Release 2023.2.0

closes #857

.docker-images

@@ -1,10 +1,12 @@
 images:
   - name: cloudflared
-    dockerfile: Dockerfile
+    dockerfile: Dockerfile.$ARCH
     context: .
-    versions: 
-      - latest
+    version_file: versions
     registries:
     - name: docker.io/cloudflare
       user: env:DOCKER_USER
       password: env:DOCKER_PASSWORD
+    architectures:
+    - amd64
+    - arm64

.github/ISSUE_TEMPLATE/---bug-report.md

@@ -1,9 +1,8 @@
 ---
-name: "Bug report \U0001F41B"
+name: "\U0001F41B Bug report"
 about: Create a report to help us improve cloudflared
-title: ''
-labels: awaiting reply, bug
-assignees: ''
+title: "\U0001F41B"
+labels: 'Priority: Normal, Type: Bug'
 
 ---
 
@@ -16,6 +15,10 @@ Steps to reproduce the behavior:
 2. Run '....'
 3. See error
 
+If it's an issue with Cloudflare Tunnel:
+4. Tunnel ID : 
+5. cloudflared config: 
+
 **Expected behavior**
 A clear and concise description of what you expected to happen.
 

.github/ISSUE_TEMPLATE/---documentation.md

@@ -0,0 +1,16 @@
+---
+name: "\U0001F4DD Documentation"
+about: Request new or updated documentation for cloudflared
+title: "\U0001F4DD"
+labels: 'Priority: Normal, Type: Documentation'
+
+---
+
+**Available Documentation**
+A link to the documentation that is available today and the areas which could be improved. 
+
+**Suggested Documentation**
+A clear and concise description of the documentation, tutorial, or guide that should be added. 
+
+**Additional context**
+Add any other context or screenshots about the documentation request here.

.github/ISSUE_TEMPLATE/---feature-request.md

@@ -1,9 +1,8 @@
 ---
-name: "Feature request \U0001F4A1"
+name: "\U0001F4A1 Feature request"
 about: Suggest a feature or enhancement for cloudflared
-title: ''
-labels: awaiting reply, feature-request
-assignees: ''
+title: "\U0001F4A1"
+labels: 'Priority: Normal, Type: Feature Request'
 
 ---
 

.github/workflows/check.yaml

@@ -4,7 +4,7 @@ jobs:
   check:
     strategy:
       matrix:
-        go-version: [1.17.x]
+        go-version: [1.19.x]
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
@@ -12,8 +12,6 @@ jobs:
       uses: actions/setup-go@v2
       with:
         go-version: ${{ matrix.go-version }}
-    - name: Install go-sumtype
-      run: go get github.com/sudarshan-reddy/go-sumtype
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Test

.teamcity/build-macos.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -exo pipefail
+
 if [[ "$(uname)" != "Darwin" ]] ; then
     echo "This should be run on macOS"
     exit 1
@@ -33,7 +35,9 @@ if [[ ! -z "$CFD_CODE_SIGN_KEY" ]]; then
   if [[ ! -z "$CFD_CODE_SIGN_PASS" ]]; then
     # write private key to disk and then import it keychain
     echo -n -e ${CFD_CODE_SIGN_KEY} | base64 -D > ${CODE_SIGN_PRIV}
-    out=$(security import ${CODE_SIGN_PRIV} -A -P "${CFD_CODE_SIGN_PASS}" 2>&1)
+    # we set || true  here and for every `security import invoke` because the  "duplicate SecKeychainItemImport" error 
+    # will cause set -e to exit 1. It is okay we do this because we deliberately handle this error in the lines below.
+    out=$(security import ${CODE_SIGN_PRIV} -A -P "${CFD_CODE_SIGN_PASS}" 2>&1) || true 
     exitcode=$?
     if [ -n "$out" ]; then
       if [ $exitcode -eq 0 ]; then
@@ -53,7 +57,7 @@ fi
 if [[ ! -z "$CFD_CODE_SIGN_CERT" ]]; then
   # write certificate to disk and then import it keychain
   echo -n -e ${CFD_CODE_SIGN_CERT} | base64 -D > ${CODE_SIGN_CERT}
-  out1=$(security import ${CODE_SIGN_CERT} -A 2>&1)
+  out1=$(security import ${CODE_SIGN_CERT} -A 2>&1) || true
   exitcode1=$?
   if [ -n "$out1" ]; then
     if [ $exitcode1 -eq 0 ]; then
@@ -75,7 +79,7 @@ if [[ ! -z "$CFD_INSTALLER_KEY" ]]; then
   if [[ ! -z "$CFD_INSTALLER_PASS" ]]; then
     # write private key to disk and then import it into the keychain
     echo -n -e ${CFD_INSTALLER_KEY} | base64 -D > ${INSTALLER_PRIV}
-    out2=$(security import ${INSTALLER_PRIV} -A -P "${CFD_INSTALLER_PASS}" 2>&1)
+    out2=$(security import ${INSTALLER_PRIV} -A -P "${CFD_INSTALLER_PASS}" 2>&1) || true
     exitcode2=$?
     if [ -n "$out2" ]; then
       if [ $exitcode2 -eq 0 ]; then
@@ -95,7 +99,7 @@ fi
 if [[ ! -z "$CFD_INSTALLER_CERT" ]]; then
   # write certificate to disk and then import it keychain
   echo -n -e ${CFD_INSTALLER_CERT} | base64 -D > ${INSTALLER_CERT}
-  out3=$(security import ${INSTALLER_CERT} -A 2>&1)
+  out3=$(security import ${INSTALLER_CERT} -A 2>&1) || true
   exitcode3=$?
   if [ -n "$out3" ]; then
     if [ $exitcode3 -eq 0 ]; then
@@ -138,14 +142,10 @@ fi
 if [[ ! -z "$CODE_SIGN_NAME" ]]; then
   codesign -s "${CODE_SIGN_NAME}" -f -v --timestamp --options runtime ${BINARY_NAME}
   
-  # notarize the binary
-  if [[ ! -z "$CFD_NOTE_PASSWORD" ]]; then
-    zip "${BINARY_NAME}.zip" ${BINARY_NAME} 
-    xcrun altool --notarize-app -f "${BINARY_NAME}.zip" -t osx -u ${CFD_NOTE_USERNAME} -p ${CFD_NOTE_PASSWORD} --primary-bundle-id ${BUNDLE_ID}
-  fi
+ # notarize the binary
+ # TODO: https://jira.cfdata.org/browse/TUN-5789
 fi
 
-
 # creating build directory
 rm -rf $TARGET_DIRECTORY
 mkdir "${TARGET_DIRECTORY}"
@@ -169,10 +169,7 @@ if [[ ! -z "$PKG_SIGN_NAME" ]]; then
       ${PKGNAME}
 
       # notarize the package
-      if [[ ! -z "$CFD_NOTE_PASSWORD" ]]; then
-        xcrun altool --notarize-app -f ${PKGNAME} -t osx -u ${CFD_NOTE_USERNAME} -p ${CFD_NOTE_PASSWORD} --primary-bundle-id ${BUNDLE_ID}
-        xcrun stapler staple ${PKGNAME}
-      fi
+      # TODO: https://jira.cfdata.org/browse/TUN-5789
 else
     pkgbuild --identifier com.cloudflare.${PRODUCT} \
       --version ${VERSION} \

.teamcity/package-windows.sh

@@ -0,0 +1,17 @@
+VERSION=$(git describe --tags --always --match "[0-9][0-9][0-9][0-9].*.*")
+echo $VERSION
+
+export TARGET_OS=windows
+# This controls the directory the built artifacts go into
+export ARTIFACT_DIR=built_artifacts/
+mkdir -p $ARTIFACT_DIR
+windowsArchs=("amd64" "386")
+for arch in ${windowsArchs[@]}; do
+    export TARGET_ARCH=$arch
+    # Copy exe into final directory
+    cp ./artifacts/cloudflared-windows-$arch.exe $ARTIFACT_DIR/cloudflared-windows-$arch.exe
+    cp ./artifacts/cloudflared-windows-$arch.exe ./cloudflared.exe
+    make cloudflared-msi
+    # Copy msi into final directory
+    mv cloudflared-$VERSION-$arch.msi $ARTIFACT_DIR/cloudflared-windows-$arch.msi
+done

.teamcity/update-homebrew-core.sh

@@ -19,5 +19,8 @@ eval "$(tmp/homebrew/bin/brew shellenv)"
 brew update --force --quiet
 chmod -R go-w "$(brew --prefix)/share/zsh"
 
+git config --global user.name "cloudflare-warp-bot"
+git config --global user.email "warp-bot@cloudflare.com"
+
 # bump formula pr
-brew bump-formula-pr cloudflared --version="$VERSION"
+brew bump-formula-pr cloudflared --version="$VERSION" --no-browse --no-audit

CHANGES.md

@@ -1,3 +1,25 @@
+## 2022.12.0
+### Improvements
+- cloudflared now attempts to try other edge addresses before falling back to a lower protoocol.
+- cloudflared tunnel no longer spins up a quick tunnel. The call has to be explicit and provide a --url flag.
+- cloudflared will now randomly pick the first or second region to connect to instead of always connecting to region2 first.
+
+## 2022.9.0
+### New Features
+- cloudflared now rejects ingress rules with invalid http status codes for http_status.
+
+## 2022.8.1
+### New Features
+- cloudflared now remembers if it connected to a certain protocol successfully. If it did, it does not fall back to a lower
+  protocol on connection failures.
+
+## 2022.7.1
+### New Features
+- It is now possible to connect cloudflared tunnel to Cloudflare Global Network with IPv6. See `cloudflared tunnel --help` and look for `edge-ip-version` for more information. For now, the default behavior is to still connect with IPv4 only.
+
+### Bug Fixes
+- Several bug fixes related with QUIC transport (used between cloudflared tunnel and Cloudflare Global Network). Updating to this version is highly recommended.
+
 ## 2022.4.0
 ### Bug Fixes
 - `cloudflared tunnel run` no longer logs the Tunnel token or JSON credentials in clear text as those are the secret

Dockerfile

@@ -1,12 +1,12 @@
 # use a builder image for building cloudflare
 ARG TARGET_GOOS
 ARG TARGET_GOARCH
-FROM golang:1.17.1 as builder
+FROM golang:1.19 as builder
 ENV GO111MODULE=on \
     CGO_ENABLED=0 \
     TARGET_GOOS=${TARGET_GOOS} \
     TARGET_GOARCH=${TARGET_GOARCH}
-
+    
 WORKDIR /go/src/github.com/cloudflare/cloudflared/
 
 # copy our sources into the builder image
@@ -16,7 +16,9 @@ COPY . .
 RUN make cloudflared
 
 # use a distroless base image with glibc
-FROM gcr.io/distroless/base-debian10:nonroot
+FROM gcr.io/distroless/base-debian11:nonroot
+
+LABEL org.opencontainers.image.source="https://github.com/cloudflare/cloudflared"
 
 # copy our compiled binary
 COPY --from=builder --chown=nonroot /go/src/github.com/cloudflare/cloudflared/cloudflared /usr/local/bin/

Dockerfile.amd64

@@ -0,0 +1,27 @@
+# use a builder image for building cloudflare
+FROM golang:1.19 as builder
+ENV GO111MODULE=on \
+    CGO_ENABLED=0 
+    
+WORKDIR /go/src/github.com/cloudflare/cloudflared/
+
+# copy our sources into the builder image
+COPY . .
+
+# compile cloudflared
+RUN GOOS=linux GOARCH=amd64 make cloudflared
+
+# use a distroless base image with glibc
+FROM gcr.io/distroless/base-debian11:nonroot
+
+LABEL org.opencontainers.image.source="https://github.com/cloudflare/cloudflared"
+
+# copy our compiled binary
+COPY --from=builder --chown=nonroot /go/src/github.com/cloudflare/cloudflared/cloudflared /usr/local/bin/
+
+# run as non-privileged user
+USER nonroot
+
+# command / entrypoint of container
+ENTRYPOINT ["cloudflared", "--no-autoupdate"]
+CMD ["version"]

Dockerfile.arm64

@@ -0,0 +1,27 @@
+# use a builder image for building cloudflare
+FROM golang:1.19 as builder
+ENV GO111MODULE=on \
+    CGO_ENABLED=0 
+    
+WORKDIR /go/src/github.com/cloudflare/cloudflared/
+
+# copy our sources into the builder image
+COPY . .
+
+# compile cloudflared
+RUN GOOS=linux GOARCH=arm64 make cloudflared
+
+# use a distroless base image with glibc
+FROM gcr.io/distroless/base-debian11:nonroot-arm64
+
+LABEL org.opencontainers.image.source="https://github.com/cloudflare/cloudflared"
+
+# copy our compiled binary
+COPY --from=builder --chown=nonroot /go/src/github.com/cloudflare/cloudflared/cloudflared /usr/local/bin/
+
+# run as non-privileged user
+USER nonroot
+
+# command / entrypoint of container
+ENTRYPOINT ["cloudflared", "--no-autoupdate"]
+CMD ["version"]

Makefile

@@ -40,6 +40,10 @@ ifneq ($(GO_BUILD_TAGS),)
 	GO_BUILD_TAGS := -tags "$(GO_BUILD_TAGS)"
 endif
 
+ifeq ($(debug), 1)
+	GO_BUILD_TAGS += -gcflags="all=-N -l"
+endif
+
 IMPORT_PATH    := github.com/cloudflare/cloudflared
 PACKAGE_DIR    := $(CURDIR)/packaging
 PREFIX         := /usr
@@ -94,6 +98,19 @@ else
 	TARGET_PUBLIC_REPO ?= $(FLAVOR)
 endif
 
+ifneq ($(TARGET_ARM), )
+	ARM_COMMAND := GOARM=$(TARGET_ARM)
+endif
+
+ifeq ($(TARGET_ARM), 7) 
+	PACKAGE_ARCH := armhf
+else
+	PACKAGE_ARCH := $(TARGET_ARCH)
+endif
+
+#for FIPS compliance, FPM defaults to MD5.
+RPM_DIGEST := --rpm-digest sha256
+
 .PHONY: all
 all: cloudflared test
 
@@ -107,7 +124,7 @@ ifeq ($(FIPS), true)
 	$(info Building cloudflared with go-fips)
 	cp -f fips/fips.go.linux-amd64 cmd/cloudflared/fips.go
 endif
-	GOOS=$(TARGET_OS) GOARCH=$(TARGET_ARCH) go build -v -mod=vendor $(GO_BUILD_TAGS) $(LDFLAGS) $(IMPORT_PATH)/cmd/cloudflared
+	GOOS=$(TARGET_OS) GOARCH=$(TARGET_ARCH) $(ARM_COMMAND) go build -v -mod=vendor $(GO_BUILD_TAGS) $(LDFLAGS) $(IMPORT_PATH)/cmd/cloudflared
 ifeq ($(FIPS), true)
 	rm -f cmd/cloudflared/fips.go
 	./check-fips.sh cloudflared
@@ -117,6 +134,10 @@ endif
 container:
 	docker build --build-arg=TARGET_ARCH=$(TARGET_ARCH) --build-arg=TARGET_OS=$(TARGET_OS) -t cloudflare/cloudflared-$(TARGET_OS)-$(TARGET_ARCH):"$(VERSION)" .
 
+.PHONY: generate-docker-version
+generate-docker-version:
+	echo latest $(VERSION) > versions
+
 .PHONY: test
 test: vet
 ifndef CI
@@ -131,24 +152,8 @@ endif
 test-ssh-server:
 	docker-compose -f ssh_server_tests/docker-compose.yml up
 
-define publish_package
-	chmod 664 $(BINARY_NAME)*.$(1); \
-	for HOST in $(CF_PKG_HOSTS); do \
-		ssh-keyscan -t ecdsa $$HOST >> ~/.ssh/known_hosts; \
-		scp -p -4 $(BINARY_NAME)*.$(1) cfsync@$$HOST:/state/cf-pkg/staging/$(2)/$(TARGET_PUBLIC_REPO)/$(BINARY_NAME)/; \
-	done
-endef
-
-.PHONY: publish-deb
-publish-deb: cloudflared-deb
-	$(call publish_package,deb,apt)
-
-.PHONY: publish-rpm
-publish-rpm: cloudflared-rpm
-	$(call publish_package,rpm,yum)
-
 cloudflared.1: cloudflared_man_template
-	cat cloudflared_man_template | sed -e 's/\$${VERSION}/$(VERSION)/; s/\$${DATE}/$(DATE)/' > cloudflared.1
+	sed -e 's/\$${VERSION}/$(VERSION)/; s/\$${DATE}/$(DATE)/' cloudflared_man_template > cloudflared.1
 
 install: cloudflared cloudflared.1
 	mkdir -p $(DESTDIR)$(INSTALL_BINDIR) $(DESTDIR)$(INSTALL_MANDIR)
@@ -161,13 +166,13 @@ define build_package
 	mkdir -p $(PACKAGE_DIR)
 	cp cloudflared $(PACKAGE_DIR)/cloudflared
 	cp cloudflared.1 $(PACKAGE_DIR)/cloudflared.1
-	fakeroot fpm -C $(PACKAGE_DIR) -s dir -t $(1) \
+	fpm -C $(PACKAGE_DIR) -s dir -t $(1) \
 		--description 'Cloudflare Tunnel daemon' \
 		--vendor 'Cloudflare' \
 		--license 'Apache License Version 2.0' \
 		--url 'https://github.com/cloudflare/cloudflared' \
 		-m 'Cloudflare <support@cloudflare.com>' \
-		-a $(TARGET_ARCH) -v $(VERSION) -n $(DEB_PACKAGE_NAME) $(NIGHTLY_FLAGS) --after-install postinst.sh --after-remove postrm.sh \
+	    -a $(PACKAGE_ARCH) -v $(VERSION) -n $(DEB_PACKAGE_NAME) $(RPM_DIGEST) $(NIGHTLY_FLAGS) --after-install postinst.sh --after-remove postrm.sh \
 		cloudflared=$(INSTALL_BINDIR) cloudflared.1=$(INSTALL_MANDIR)
 endef
 
@@ -184,7 +189,7 @@ cloudflared-pkg: cloudflared cloudflared.1
 	$(call build_package,osxpkg)
 
 .PHONY: cloudflared-msi
-cloudflared-msi: cloudflared
+cloudflared-msi:
 	wixl --define Version=$(VERSION) --define Path=$(EXECUTABLE_PATH) --output cloudflared-$(VERSION)-$(TARGET_ARCH).msi cloudflared.wxs
 
 .PHONY: cloudflared-darwin-amd64.tgz
@@ -261,6 +266,10 @@ github-release: cloudflared
 github-release-built-pkgs:
 	python3 github_release.py --path $(PWD)/built_artifacts --release-version $(VERSION)
 
+.PHONY: release-pkgs-linux
+release-pkgs-linux:
+	python3 ./release_pkgs.py
+
 .PHONY: github-message
 github-message:
 	python3 github_message.py --release-version $(VERSION)
@@ -270,10 +279,17 @@ github-mac-upload:
 	python3 github_release.py --path artifacts/cloudflared-darwin-amd64.tgz --release-version $(VERSION) --name cloudflared-darwin-amd64.tgz
 	python3 github_release.py --path artifacts/cloudflared-amd64.pkg --release-version $(VERSION) --name cloudflared-amd64.pkg
 
+.PHONY: github-windows-upload
+github-windows-upload:
+	python3 github_release.py --path built_artifacts/cloudflared-windows-amd64.exe --release-version $(VERSION) --name cloudflared-windows-amd64.exe
+	python3 github_release.py --path built_artifacts/cloudflared-windows-amd64.msi --release-version $(VERSION) --name cloudflared-windows-amd64.msi
+	python3 github_release.py --path built_artifacts/cloudflared-windows-386.exe --release-version $(VERSION) --name cloudflared-windows-386.exe
+	python3 github_release.py --path built_artifacts/cloudflared-windows-386.msi --release-version $(VERSION) --name cloudflared-windows-386.msi
+
 .PHONY: tunnelrpc-deps
 tunnelrpc-deps:
 	which capnp  # https://capnproto.org/install.html
-	which capnpc-go  # go get zombiezen.com/go/capnproto2/capnpc-go
+	which capnpc-go  # go install zombiezen.com/go/capnproto2/capnpc-go@latest
 	capnp compile -ogo tunnelrpc/tunnelrpc.capnp
 
 .PHONY: quic-deps
@@ -284,13 +300,8 @@ quic-deps:
 
 .PHONY: vet
 vet:
-	go vet -mod=vendor ./...
-	# go get github.com/sudarshan-reddy/go-sumtype (don't do this in build directory or this will cause vendor issues)
-	# Note: If you have github.com/BurntSushi/go-sumtype then you might have to use the repo above instead
-	# for now because it uses an older version of golang.org/x/tools.
-	which go-sumtype
-	go-sumtype $$(go list -mod=vendor ./...)
+	go vet -v -mod=vendor github.com/cloudflare/cloudflared/...
 
-.PHONY: goimports
-goimports:
-	for d in $$(go list -mod=readonly -f '{{.Dir}}' -a ./... | fgrep -v tunnelrpc) ; do goimports -format-only -local github.com/cloudflare/cloudflared -w $$d ; done
+.PHONY: fmt
+fmt:
+	goimports -l -w -local github.com/cloudflare/cloudflared $$(go list -mod=vendor -f '{{.Dir}}' -a ./... | fgrep -v tunnelrpc)

README.md

@@ -25,12 +25,13 @@ routing), but for legacy reasons this requirement is still necessary:
 
 ## Installing `cloudflared`
 
-Downloads are available as standalone binaries, a Docker image, and Debian, RPM, and Homebrew packages. You can also find releases here on the `cloudflared` GitHub repository.
+Downloads are available as standalone binaries, a Docker image, and Debian, RPM, and Homebrew packages. You can also find releases [here](https://github.com/cloudflare/cloudflared/releases) on the `cloudflared` GitHub repository.
 
 * You can [install on macOS](https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/install-and-setup/installation#macos) via Homebrew or by downloading the [latest Darwin amd64 release](https://github.com/cloudflare/cloudflared/releases)
 * Binaries, Debian, and RPM packages for Linux [can be found here](https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/install-and-setup/installation#linux)
 * A Docker image of `cloudflared` is [available on DockerHub](https://hub.docker.com/r/cloudflare/cloudflared)
 * You can install on Windows machines with the [steps here](https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/install-and-setup/installation#windows)
+* Build from source with the [instructions here](https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/install-and-setup/installation#build-from-source)
 
 User documentation for Cloudflare Tunnel can be found at https://developers.cloudflare.com/cloudflare-one/connections/connect-apps
 
@@ -43,7 +44,7 @@ Once installed, you can authenticate `cloudflared` into your Cloudflare account
 * Route traffic to that Tunnel:
   * Via public [DNS records in Cloudflare](https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/routing-to-tunnel/dns)
   * Or via a public hostname guided by a [Cloudflare Load Balancer](https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/routing-to-tunnel/lb)
-  * Or from [WARP client private traffic](https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/configuration/private-networks)
+  * Or from [WARP client private traffic](https://developers.cloudflare.com/cloudflare-one/connections/connect-networks/private-net/)
 
 
 ## TryCloudflare

RELEASE_NOTES

@@ -1,3 +1,276 @@
+2023.2.0
+- 2023-01-31 TUN-7147: Revert wrong removal of debug endpoint from metrics port
+- 2023-01-30 TUN-7146: Avoid data race in closing origin connection too early
+- 2023-01-22 TUN-7097: Fix bug checking proxy-dns config on tunnel cmd execution
+- 2023-01-20 ZTC-446: Allow to force delete a vnet
+- 2023-01-17 TUN-7077: Specific name in cloudflare tunnel route lb command
+- 2023-01-16 TUN-7073: Fix propagating of bad stream request from origin to downstream
+- 2023-01-11 TUN-7065: Remove classic tunnel creation
+- 2023-01-10 TUN-7066: Bump coredns to v1.10.0
+
+2023.1.0
+- 2023-01-10 TUN-7064: RPM digests are now sha256 instead of md5sum
+- 2023-01-04 RTG-2418 Update qtls
+- 2022-12-24 TUN-7057: Remove dependency github.com/gorilla/mux
+- 2022-12-24 TUN-6724: Migrate to sentry-go from raven-go
+
+2022.12.1
+- 2022-12-20 TUN-7021: Fix proxy-dns not starting when cloudflared tunnel is run
+- 2022-12-15 TUN-7010: Changelog for release 2022.12.0
+
+2022.12.0
+- 2022-12-14 TUN-6999: cloudflared should attempt other edge addresses before falling back on protocol
+- 2022-12-13 TUN-7004: Dont show local config dirs for remotely configured tuns
+- 2022-12-12 TUN-7003: Tempoarily disable erroneous notarize-app
+- 2022-12-12 TUN-7003: Add back a missing fi
+- 2022-12-07 TUN-7000: Reduce metric cardinality of closedConnections metric by removing error as tag
+- 2022-12-07 TUN-6994: Improve logging config file not found
+- 2022-12-07 TUN-7002: Randomise first region selection
+- 2022-12-07 TUN-6995: Disable quick-tunnels spin up by default
+- 2022-12-05 TUN-6984: Add bash set x to improve visibility during builds
+- 2022-12-05 TUN-6984: [CI] Ignore security import errors for code_sigining
+- 2022-12-05 TUN-6984: [CI] Don't fail on unset.
+- 2022-11-30 TUN-6984: Set euo pipefile for homebrew builds
+
+2022.11.1
+- 2022-11-29 TUN-6981: We should close UDP socket if failed to connecto to edge
+- 2022-11-25 CUSTESC-23757: Fix a bug where a wildcard ingress rule would match an host without starting with a dot
+- 2022-11-24 TUN-6970: Print newline when printing tunnel token
+- 2022-11-22 TUN-6963: Refactor Metrics service setup
+2022.11.0
+- 2022-11-16 Revert "TUN-6935: Cloudflared should use APIToken instead of serviceKey"
+- 2022-11-16 TUN-6929: Use same protocol for other connections as first one
+- 2022-11-14 TUN-6941: Reduce log level to debug when failing to proxy ICMP reply
+- 2022-11-14 TUN-6935: Cloudflared should use APIToken instead of serviceKey
+- 2022-11-14 TUN-6935: Cloudflared should use APIToken instead of serviceKey
+- 2022-11-11 TUN-6937: Bump golang.org/x/* packages to new release tags
+- 2022-11-10 ZTC-234: macOS tests
+- 2022-11-09 TUN-6927: Refactor validate access configuration to allow empty audTags only
+- 2022-11-08 ZTC-234: Replace ICMP funnels when ingress connection changes
+- 2022-11-04 TUN-6917: Bump go to 1.19.3
+- 2022-11-02 Issue #574: Better ssh config for short-lived cert (#763)
+- 2022-10-28 TUN-6898: Fix bug handling IPv6 based ingresses with missing port
+- 2022-10-28 TUN-6898: Refactor addPortIfMissing
+2022.10.3
+- 2022-10-24 TUN-6871: Add default feature to cloudflared to support EOF on QUIC connections
+- 2022-10-19 TUN-6876: Fix flaky TestTraceICMPRouterEcho by taking account request span can return before reply
+- 2022-10-18 TUN-6867: Clear spans right after they are serialized to avoid returning duplicate spans
+2022.10.2
+- 2022-10-18 TUN-6869: Fix Makefile complaining about missing GO packages
+- 2022-10-18 TUN-6864: Don't reuse port in quic unit tests
+- 2022-10-18 TUN-6868: Return left padded tracing ID when tracing identity is converted to string
+
+2022.10.1
+- 2022-10-16 TUN-6861: Trace ICMP on Windows
+- 2022-10-15 TUN-6860: Send access configuration keys to the edge
+- 2022-10-14 TUN-6858: Trace ICMP reply
+- 2022-10-13 TUN-6855: Add DatagramV2Type for IP packet with trace and tracing spans
+- 2022-10-13 TUN-6856: Refactor to lay foundation for tracing ICMP
+- 2022-10-13 TUN-6604: Trace icmp echo request on Linux and Darwin
+- 2022-10-12 Fix log message (#591)
+- 2022-10-12 TUN-6853: Reuse source port when connecting to the edge for quic connections
+- 2022-10-11 TUN-6829: Allow user of datagramsession to control logging level of errors
+- 2022-10-10 RTG-2276 Update qtls and go mod tidy
+- 2022-10-05 Add post-quantum flag to quick tunnel
+- 2022-10-05 TUN-6823: Update github release message to pull from KV
+- 2022-10-04 TUN-6825: Fix cloudflared:version images require arch hyphens
+- 2022-10-03 TUN-6806: Add ingress rule number to log when filtering due to middlware handler
+- 2022-08-17 Label correct container
+- 2022-08-16 Fix typo in help text for `cloudflared tunnel route lb`
+- 2022-07-18 drop usage of cat when sed is invoked to generate the manpage
+- 2021-03-15 update-build-readme
+- 2021-03-15 fix link
+
+2022.10.0
+- 2022-09-30 TUN-6755: Remove unused publish functions
+- 2022-09-30 TUN-6813: Only proxy ICMP packets when warp-routing is enabled
+- 2022-09-29 TUN-6811: Ping group range should be parsed as int32
+- 2022-09-29 TUN-6812: Drop IP packets if ICMP proxy is not initialized
+- 2022-09-28 TUN-6716: Document limitation of Windows ICMP proxy
+- 2022-09-28 TUN-6810: Add component test for post-quantum
+- 2022-09-27 TUN-6715: Provide suggestion to add cloudflared to ping_group_range if it failed to open ICMP socket
+- 2022-09-22 TUN-6792: Fix brew core release by not auditing the formula
+- 2022-09-22 TUN-6774: Validate OriginRequest.Access to add Ingress.Middleware
+- 2022-09-22 TUN-6775: Add middleware.Handler verification to ProxyHTTP
+- 2022-09-22 TUN-6791: Calculate ICMPv6 checksum
+- 2022-09-22 TUN-6801: Add punycode alternatives for ingress rules
+- 2022-09-21 TUN-6772: Add a JWT Validator as an ingress verifier
+- 2022-09-21 TUN-6772: Add a JWT Validator as an ingress verifier
+- 2022-09-21 TUN-6774: Validate OriginRequest.Access to add Ingress.Middleware
+- 2022-09-21 TUN-6772: Add a JWT Validator as an ingress verifier
+- 2022-09-20 TUN-6741: ICMP proxy tries to listen on specific IPv4 & IPv6 when possible
+2022.9.1
+- 2022-09-20 TUN-6777: Fix race condition in TestFunnelIdleTimeout
+- 2022-09-20 TUN-6595: Enable datagramv2 and icmp proxy by default
+- 2022-09-20 TUN-6773: Add access based configuration to ingress.OriginRequestConfig
+- 2022-09-19 TUN-6778: Cleanup logs about ICMP
+- 2022-09-19 TUN-6779: cloudflared should also use the root CAs from system pool to validate edge certificate
+- 2022-09-19 TUN-6780: Add support for certReload to also include support for client certificates
+- 2022-09-16 TUN-6767: Build ICMP proxy for Windows only when CGO is enabled
+- 2022-09-15 TUN-6590: Use Windows Teamcity agent to build binary
+- 2022-09-13 TUN-6592: Decrement TTL and return ICMP time exceed if it's 0
+- 2022-09-09 TUN-6749: Fix icmp_generic build
+- 2022-09-09 TUN-6744: On posix platforms, assign unique echo ID per (src, dst, echo ID)
+- 2022-09-08 TUN-6743: Support ICMPv6 echo on Windows
+- 2022-09-08 TUN-6689: Utilize new RegisterUDPSession to begin tracing
+- 2022-09-07 TUN-6688: Update RegisterUdpSession capnproto to include trace context
+- 2022-09-06 TUN-6740: Detect no UDP packets allowed and fallback from QUIC in that case
+- 2022-09-06 TUN-6654: Support ICMPv6 on Linux and Darwin
+- 2022-09-02 TUN-6696: Refactor flow into funnel and close idle funnels
+- 2022-09-02 TUN-6718: Bump go and go-boring 1.18.6
+- 2022-08-29 TUN-6531: Implement ICMP proxy for Windows using IcmpSendEcho
+- 2022-08-24 RTG-1339 Support post-quantum hybrid key exchange
+
+2022.9.0
+- 2022-09-05 TUN-6737: Fix datagramV2Type should be declared in its own block so it starts at 0
+- 2022-09-01 TUN-6725: Fix testProxySSEAllData
+- 2022-09-01 TUN-6726: Fix maxDatagramPayloadSize for Windows QUIC datagrams
+- 2022-09-01 TUN-6729: Fix flaky TestClosePreviousProxies
+- 2022-09-01 TUN-6728: Verify http status code ingress rule
+- 2022-08-25 TUN-6695: Implement ICMP proxy for linux
+
+2022.8.4
+- 2022-08-31 TUN-6717: Update Github action to run with Go 1.19
+- 2022-08-31 TUN-6720: Remove forcibly closing connection during reconnect signal
+- 2022-08-29 Release 2022.8.3
+
+2022.8.3
+- 2022-08-26 TUN-6708: Fix replace flow logic
+- 2022-08-25 TUN-6705: Tunnel should retry connections forever
+- 2022-08-25 TUN-6704: Honor protocol flag when edge discovery is unreachable
+- 2022-08-25 TUN-6699: Add metric for packet too big dropped
+- 2022-08-24 TUN-6691: Properly error check for net.ErrClosed
+- 2022-08-22 TUN-6679: Allow client side of quic request to close body
+- 2022-08-22 TUN-6586: Change ICMP proxy to only build for Darwin and use echo ID to track flows
+- 2022-08-18 TUN-6530: Implement ICMPv4 proxy
+- 2022-08-17 TUN-6666: Define packet package
+- 2022-08-17 TUN-6667: DatagramMuxerV2 provides a method to receive RawPacket
+- 2022-08-16 TUN-6657: Ask for Tunnel ID and Configuration on Bug Report
+- 2022-08-16 TUN-6676: Add suport for trailers in http2 connections
+- 2022-08-11 TUN-6575: Consume cf-trace-id from incoming http2 TCP requests
+
+2022.8.2
+- 2022-08-16 TUN-6656: Docker for arm64 should not be deployed in an amd64 container
+
+2022.8.1
+- 2022-08-15 TUN-6617: Updated CHANGES.md for protocol stickiness
+- 2022-08-12 EDGEPLAT-3918: bump go and go-boring to 1.18.5
+- 2022-08-12 TUN-6652: Publish dockerfile for both amd64 and arm64
+- 2022-08-11 TUN-6617: Dont fallback to http2 if QUIC conn was successful.
+- 2022-08-11 TUN-6617: Dont fallback to http2 if QUIC conn was successful.
+- 2022-08-11 Revert "TUN-6617: Dont fallback to http2 if QUIC conn was successful."
+- 2022-08-11 TUN-6617: Dont fallback to http2 if QUIC conn was successful.
+- 2022-08-01 TUN-6584: Define QUIC datagram v2 format to support proxying IP packets
+
+2022.8.0
+- 2022-08-10 TUN-6637: Upgrade quic-go
+- 2022-08-10 TUN-6646: Add support to SafeStreamCloser to close only write side of stream
+- 2022-08-09 TUN-6642: Fix unexpected close of quic stream triggered by upstream origin close
+- 2022-08-09 TUN-6639: Validate cyclic ingress configuration
+- 2022-08-08 TUN-6637: Upgrade go version and quic-go
+- 2022-08-08 TUN-6639: Validate cyclic ingress configuration
+- 2022-08-04 EDGEPLAT-3918: build cloudflared for Bookworm
+- 2022-08-02 Revert "TUN-6576: Consume cf-trace-id from incoming TCP requests to create root span"
+- 2022-07-27 TUN-6601: Update gopkg.in/yaml.v3 references in modules
+- 2022-07-26 TUN-6576: Consume cf-trace-id from incoming TCP requests to create root span
+- 2022-07-26 TUN-6576: Consume cf-trace-id from incoming TCP requests to create root span
+- 2022-07-25 TUN-6598: Remove auto assignees on github issues
+- 2022-07-20 TUN-6583: Remove legacy --ui flag
+- 2022-07-20 cURL supports stdin and uses os pipes directly without copying
+- 2022-07-07 TUN-6517: Use QUIC stream context while proxying HTTP requests and TCP connections
+2022.7.1
+- 2022-07-06 TUN-6503: Fix transport fallback from QUIC in face of dial error "no network activity"
+
+2022.7.0
+- 2022-07-05 TUN-6499: Remove log that is per datagram
+- 2022-06-24 TUN-6460: Rename metric label location to edge_location
+- 2022-06-24 TUN-6459: Add cloudflared user-agent to access calls
+- 2022-06-17 TUN-6427: Differentiate between upstream request closed/canceled and failed origin requests
+- 2022-06-17 TUN-6388: Fix first tunnel connection not retrying
+- 2022-06-13 TUN-6384: Correct duplicate connection error to fetch new IP first
+- 2022-06-13 TUN-6373: Add edge-ip-version to remotely pushed configuration
+- 2022-06-07 TUN-6010: Add component tests for --edge-ip-version
+- 2022-05-20 TUN-6007: Implement new edge discovery algorithm
+- 2022-02-18 Ensure service install directories are created before writing file
+
+2022.6.3
+- 2022-06-20 TUN-6362: Add armhf support to cloudflare packaging
+
+2022.6.2
+- 2022-06-13 TUN-6381: Write error data on QUIC stream when we fail to talk to the origin; separate logging for protocol errors vs. origin errors.
+- 2022-06-17 TUN-6414: Remove go-sumtype from cloudflared build process
+- 2022-06-01 Add Http2Origin option to force HTTP/2 origin connections
+- 2022-06-02 fix ingress rules unit test
+- 2022-06-09 Update remaining OriginRequestConfig functions for Http2Origins
+- 2022-05-31 Add image source label to docker container.
+- 2022-05-10 Warp Private Network link updated
+
+2022.6.1
+- 2022-06-14 TUN-6395: Fix writing RPM repo data
+
+2022.6.0
+- 2022-06-14 Revert "TUN-6010: Add component tests for --edge-ip-version"
+- 2022-06-14 Revert "TUN-6373: Add edge-ip-version to remotely pushed configuration"
+- 2022-06-14 Revert "TUN-6384: Correct duplicate connection error to fetch new IP first"
+- 2022-06-14 Revert "TUN-6007: Implement new edge discovery algorithm"
+- 2022-06-13 TUN-6385: Don't share err between acceptStream loop and per-stream goroutines
+- 2022-06-13 TUN-6384: Correct duplicate connection error to fetch new IP first
+- 2022-06-13 TUN-6373: Add edge-ip-version to remotely pushed configuration
+- 2022-06-13 TUN-6380: Enforce connect and keep-alive timeouts for TCP connections in both WARP routing and websocket based TCP proxy.
+- 2022-06-11 Update issue templates
+- 2022-06-11 Amendment to previous PR
+- 2022-06-09 TUN-6347: Add TCP stream logs with FlowID
+- 2022-06-08 TUN-6361: Add cloudflared arm builds to pkging as well
+- 2022-06-07 TUN-6357: Add connector id to ready check endpoint
+- 2022-06-07 TUN-6010: Add component tests for --edge-ip-version
+- 2022-06-06 TUN-6191: Update quic-go to v0.27.1 and with custom patch to allow keep alive period to be configurable
+- 2022-06-03 TUN-6343: Fix QUIC->HTTP2 fallback
+- 2022-06-02 TUN-6339: Add config for IPv6 support
+- 2022-06-02 TUN-6341: Fix default config value for edge-ip-version
+- 2022-06-01 TUN-6323: Add Xenial and Trusty for Ubuntu pkging
+- 2022-05-31 TUN-6210: Add cloudflared.repo to make it easy for yum installs
+- 2022-05-30 TUN-6293: Update yaml v3 to latest hotfix
+- 2022-05-20 TUN-6007: Implement new edge discovery algorithm
+2022.5.3
+- 2022-05-30 TUN-6308: Add debug logs to see if packets are sent/received from edge
+- 2022-05-30 TUN-6301: Allow to update logger used by UDP session manager
+
+2022.5.2
+- 2022-05-23 TUN-6270: Import gpg keys from environment variables
+- 2022-05-24 TUN-6209: Improve feedback process if release_pkgs to deb and rpm fail
+- 2022-05-24 TUN-6280: Don't wrap qlog connection tracer for gatethering QUIC metrics since we're not writing qlog files.
+- 2022-05-25 TUN-6209: Sign RPM packages
+- 2022-05-25 TUN-6285: Upload pkg assets to repos when cloudflared is released.
+- 2022-05-24 TUN-6282: Upgrade golang to 1.17.10, go-boring to 1.17.9
+- 2022-05-26 TUN-6292: Debug builds for cloudflared
+- 2022-05-28 TUN-6304: Fixed some file permission issues
+- 2022-05-11 TUN-6197: Publish to brew core should not try to open the browser
+- 2022-05-12 TUN-5943: Add RPM support
+- 2022-05-18 TUN-6248: Fix panic in cloudflared during tracing when origin doesn't provide header map
+- 2022-05-18 TUN-6250: Add upstream response status code to tracing span attributes
+
+2022.5.1
+- 2022-05-06 TUN-6146: Release_pkgs is now a generic command line script
+- 2022-05-06 TUN-6185: Fix tcpOverWSOriginService not using original scheme for String representation
+- 2022-05-05 TUN-6175: Simply debian packaging by structural upload
+- 2022-05-05 TUN-5945: Added support for Ubuntu releases
+- 2022-05-04 TUN-6054: Create and upload deb packages to R2
+- 2022-05-03 TUN-6161: Set git user/email for brew core release
+- 2022-05-03 TUN-6166: Fix mocked QUIC transport for UDP proxy manager to return expected error
+- 2022-04-27 TUN-6016: Push local managed tunnels configuration to the edge
+2022.5.0
+- 2022-05-02 TUN-6158: Update golang.org/x/crypto
+- 2022-04-20 VULN-8383 Bump yaml.v2 to yaml.v3
+- 2022-04-21 TUN-6123: For a given connection with edge, close all datagram sessions through this connection when it's closed
+- 2022-04-20 TUN-6015: Add RPC method for pushing local config
+- 2022-04-21 TUN-6130: Fix vendoring due to case sensitive typo in package
+- 2022-04-27 TUN-6142: Add tunnel details support to RPC
+- 2022-04-28 TUN-6014: Add remote config flag as default feature
+- 2022-04-12 TUN-6000: Another fix for publishing to brew core
+- 2022-04-11 TUN-5990: Add otlp span export to response header
+- 2022-04-19 TUN-6070: First connection retries other edge IPs if the error is quic timeout(likely due to firewall blocking UDP)
+- 2022-04-11 TUN-6030: Add ttfb span for origin http request
+
 2022.4.1
 - 2022-04-11 TUN-6035: Reduce buffer size when proxying data
 - 2022-04-11 TUN-6038: Reduce buffer size used for proxying data

build-packages.sh

@@ -7,20 +7,19 @@ export CGO_ENABLED=0
 # This controls the directory the built artifacts go into
 export ARTIFACT_DIR=built_artifacts/
 mkdir -p $ARTIFACT_DIR
-windowsArchs=("amd64" "386")
-export TARGET_OS=windows
-for arch in ${windowsArchs[@]}; do
-    export TARGET_ARCH=$arch
-    make cloudflared-msi
-    mv ./cloudflared.exe $ARTIFACT_DIR/cloudflared-windows-$arch.exe
-    mv cloudflared-$VERSION-$arch.msi $ARTIFACT_DIR/cloudflared-windows-$arch.msi
-done
 
-
-linuxArchs=("386" "amd64" "arm" "arm64")
+linuxArchs=("386" "amd64" "arm" "armhf" "arm64")
 export TARGET_OS=linux
 for arch in ${linuxArchs[@]}; do
+    unset TARGET_ARM
     export TARGET_ARCH=$arch
+    
+    ## Support for armhf builds 
+    if [[ $arch == armhf ]] ; then
+        export TARGET_ARCH=arm
+        export TARGET_ARM=7 
+    fi
+    
     make cloudflared-deb
     mv cloudflared\_$VERSION\_$arch.deb $ARTIFACT_DIR/cloudflared-linux-$arch.deb
 

carrier/carrier.go

@@ -1,6 +1,6 @@
-//Package carrier provides a WebSocket proxy to carry or proxy a connection
-//from the local client to the edge. See it as a wrapper around any protocol
-//that it packages up in a WebSocket connection to the edge.
+// Package carrier provides a WebSocket proxy to carry or proxy a connection
+// from the local client to the edge. See it as a wrapper around any protocol
+// that it packages up in a WebSocket connection to the edge.
 package carrier
 
 import (

carrier/websocket.go

@@ -9,6 +9,7 @@ import (
 	"github.com/gorilla/websocket"
 	"github.com/rs/zerolog"
 
+	"github.com/cloudflare/cloudflared/stream"
 	"github.com/cloudflare/cloudflared/token"
 	cfwebsocket "github.com/cloudflare/cloudflared/websocket"
 )
@@ -37,7 +38,7 @@ func (ws *Websocket) ServeStream(options *StartOptions, conn io.ReadWriter) erro
 	}
 	defer wsConn.Close()
 
-	cfwebsocket.Stream(wsConn, conn, ws.log)
+	stream.Pipe(wsConn, conn, ws.log)
 	return nil
 }
 

certutil/certutil.go

@@ -1,25 +1,21 @@
 package certutil
 
 import (
-	"crypto/x509"
 	"encoding/json"
 	"encoding/pem"
 	"fmt"
-	"strings"
 )
 
 type namedTunnelToken struct {
-	ZoneID     string `json:"zoneID"`
-	AccountID  string `json:"accountID"`
-	ServiceKey string `json:"serviceKey"`
+	ZoneID    string `json:"zoneID"`
+	AccountID string `json:"accountID"`
+	APIToken  string `json:"apiToken"`
 }
 
 type OriginCert struct {
-	PrivateKey interface{}
-	Cert       *x509.Certificate
-	ZoneID     string
-	ServiceKey string
-	AccountID  string
+	ZoneID    string
+	APIToken  string
+	AccountID string
 }
 
 func DecodeOriginCert(blocks []byte) (*OriginCert, error) {
@@ -33,29 +29,11 @@ func DecodeOriginCert(blocks []byte) (*OriginCert, error) {
 			break
 		}
 		switch block.Type {
-		case "PRIVATE KEY":
-			if originCert.PrivateKey != nil {
-				return nil, fmt.Errorf("Found multiple private key in the certificate")
-			}
-			// RSA private key
-			privateKey, err := x509.ParsePKCS8PrivateKey(block.Bytes)
-			if err != nil {
-				return nil, fmt.Errorf("Cannot parse private key")
-			}
-			originCert.PrivateKey = privateKey
-		case "CERTIFICATE":
-			if originCert.Cert != nil {
-				return nil, fmt.Errorf("Found multiple certificates in the certificate")
-			}
-			cert, err := x509.ParseCertificates(block.Bytes)
-			if err != nil {
-				return nil, fmt.Errorf("Cannot parse certificate")
-			} else if len(cert) > 1 {
-				return nil, fmt.Errorf("Found multiple certificates in the certificate")
-			}
-			originCert.Cert = cert[0]
-		case "WARP TOKEN", "ARGO TUNNEL TOKEN":
-			if originCert.ZoneID != "" || originCert.ServiceKey != "" {
+		case "PRIVATE KEY", "CERTIFICATE":
+			// this is for legacy purposes.
+			break
+		case "ARGO TUNNEL TOKEN":
+			if originCert.ZoneID != "" || originCert.APIToken != "" {
 				return nil, fmt.Errorf("Found multiple tokens in the certificate")
 			}
 			// The token is a string,
@@ -63,18 +41,8 @@ func DecodeOriginCert(blocks []byte) (*OriginCert, error) {
 			ntt := namedTunnelToken{}
 			if err := json.Unmarshal(block.Bytes, &ntt); err == nil {
 				originCert.ZoneID = ntt.ZoneID
-				originCert.ServiceKey = ntt.ServiceKey
+				originCert.APIToken = ntt.APIToken
 				originCert.AccountID = ntt.AccountID
-			} else {
-				// Try the older format, where the zoneID and service key are separated by
-				// a new line character
-				token := string(block.Bytes)
-				s := strings.Split(token, "\n")
-				if len(s) != 2 {
-					return nil, fmt.Errorf("Cannot parse token")
-				}
-				originCert.ZoneID = s[0]
-				originCert.ServiceKey = s[1]
 			}
 		default:
 			return nil, fmt.Errorf("Unknown block %s in the certificate", block.Type)
@@ -82,11 +50,7 @@ func DecodeOriginCert(blocks []byte) (*OriginCert, error) {
 		block, rest = pem.Decode(rest)
 	}
 
-	if originCert.PrivateKey == nil {
-		return nil, fmt.Errorf("Missing private key in the certificate")
-	} else if originCert.Cert == nil {
-		return nil, fmt.Errorf("Missing certificate in the certificate")
-	} else if originCert.ZoneID == "" || originCert.ServiceKey == "" {
+	if originCert.ZoneID == "" || originCert.APIToken == "" {
 		return nil, fmt.Errorf("Missing token in the certificate")
 	}
 

certutil/certutil_test.go

@@ -13,49 +13,33 @@ func TestLoadOriginCert(t *testing.T) {
 	assert.Equal(t, fmt.Errorf("Cannot decode empty certificate"), err)
 	assert.Nil(t, cert)
 
-	blocks, err := ioutil.ReadFile("test-cert-no-key.pem")
-	assert.Nil(t, err)
-	cert, err = DecodeOriginCert(blocks)
-	assert.Equal(t, fmt.Errorf("Missing private key in the certificate"), err)
-	assert.Nil(t, cert)
-
-	blocks, err = ioutil.ReadFile("test-cert-two-certificates.pem")
-	assert.Nil(t, err)
-	cert, err = DecodeOriginCert(blocks)
-	assert.Equal(t, fmt.Errorf("Found multiple certificates in the certificate"), err)
-	assert.Nil(t, cert)
-
-	blocks, err = ioutil.ReadFile("test-cert-unknown-block.pem")
+	blocks, err := ioutil.ReadFile("test-cert-unknown-block.pem")
 	assert.Nil(t, err)
 	cert, err = DecodeOriginCert(blocks)
 	assert.Equal(t, fmt.Errorf("Unknown block RSA PRIVATE KEY in the certificate"), err)
 	assert.Nil(t, cert)
-
-	blocks, err = ioutil.ReadFile("test-cert.pem")
-	assert.Nil(t, err)
-	cert, err = DecodeOriginCert(blocks)
-	assert.Nil(t, err)
-	assert.NotNil(t, cert)
-	assert.Equal(t, "7b0a4d77dfb881c1a3b7d61ea9443e19", cert.ZoneID)
-	key := "v1.0-58bd4f9e28f7b3c28e05a35ff3e80ab4fd9644ef3fece537eb0d12e2e9258217-183442fbb0bbdb3e571558fec9b5589ebd77aafc87498ee3f09f64a4ad79ffe8791edbae08b36c1d8f1d70a8670de56922dff92b15d214a524f4ebfa1958859e-7ce80f79921312a6022c5d25e2d380f82ceaefe3fbdc43dd13b080e3ef1e26f7"
-	assert.Equal(t, key, cert.ServiceKey)
 }
 
-func TestNewlineArgoTunnelToken(t *testing.T) {
-	ArgoTunnelTokenTest(t, "test-argo-tunnel-cert.pem")
+func TestJSONArgoTunnelTokenEmpty(t *testing.T) {
+	cert, err := DecodeOriginCert([]byte{})
+	blocks, err := ioutil.ReadFile("test-cert-no-token.pem")
+	assert.Nil(t, err)
+	cert, err = DecodeOriginCert(blocks)
+	assert.Equal(t, fmt.Errorf("Missing token in the certificate"), err)
+	assert.Nil(t, cert)
 }
 
 func TestJSONArgoTunnelToken(t *testing.T) {
 	// The given cert's Argo Tunnel Token was generated by base64 encoding this JSON:
 	// {
 	// "zoneID": "7b0a4d77dfb881c1a3b7d61ea9443e19",
-	// "serviceKey": "test-service-key",
+	// "apiToken": "test-service-key",
 	// "accountID": "abcdabcdabcdabcd1234567890abcdef"
 	// }
-	ArgoTunnelTokenTest(t, "test-argo-tunnel-cert-json.pem")
+	CloudflareTunnelTokenTest(t, "test-cloudflare-tunnel-cert-json.pem")
 }
 
-func ArgoTunnelTokenTest(t *testing.T, path string) {
+func CloudflareTunnelTokenTest(t *testing.T, path string) {
 	blocks, err := ioutil.ReadFile(path)
 	assert.Nil(t, err)
 	cert, err := DecodeOriginCert(blocks)
@@ -63,5 +47,5 @@ func ArgoTunnelTokenTest(t *testing.T, path string) {
 	assert.NotNil(t, cert)
 	assert.Equal(t, "7b0a4d77dfb881c1a3b7d61ea9443e19", cert.ZoneID)
 	key := "test-service-key"
-	assert.Equal(t, key, cert.ServiceKey)
+	assert.Equal(t, key, cert.APIToken)
 }

certutil/test-cert-no-key.pem

@@ -1,33 +0,0 @@
------BEGIN CERTIFICATE-----
-MIID+jCCA6CgAwIBAgIUJhFxUKEGvTRc3CjCok6dbPGH/P4wCgYIKoZIzj0EAwIw
-gagxCzAJBgNVBAYTAlVTMRkwFwYDVQQKExBDbG91ZEZsYXJlLCBJbmMuMTgwNgYD
-VQQLEy9DbG91ZEZsYXJlIE9yaWdpbiBTU0wgRUNDIENlcnRpZmljYXRlIEF1dGhv
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-PE6SuDvMHIeX6Ekw4wSVQ9eTbksLQqTyxSqM3zp2ygc56SjGjy1nGQT8ZBGFzSbZ
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-x+Yo/cL8fGfVpPt4UM8=
------END CERTIFICATE-----
------BEGIN WARP TOKEN-----
-N2IwYTRkNzdkZmI4ODFjMWEzYjdkNjFlYTk0NDNlMTkKdjEuMC01OGJkNGY5ZTI4
-ZjdiM2MyOGUwNWEzNWZmM2U4MGFiNGZkOTY0NGVmM2ZlY2U1MzdlYjBkMTJlMmU5
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-NzBkZTU2OTIyZGZmOTJiMTVkMjE0YTUyNGY0ZWJmYTE5NTg4NTllLTdjZTgwZjc5
-OTIxMzEyYTYwMjJjNWQyNWUyZDM4MGY4MmNlYWVmZTNmYmRjNDNkZDEzYjA4MGUz
-ZWYxZTI2Zjc=
------END WARP TOKEN-----

certutil/test-cert-no-token.pem

@@ -51,7 +51,6 @@ K5rShE/l+90YAOzHC89OH/wUz3I5KYOFuehoAiEA8e92aIf9XBkr0K6EvFCiSsD+
 x+Yo/cL8fGfVpPt4UM8=
 -----END CERTIFICATE-----
 -----BEGIN ARGO TUNNEL TOKEN-----
-eyJ6b25lSUQiOiAiN2IwYTRkNzdkZmI4ODFjMWEzYjdkNjFlYTk0NDNlMTkiLCAi
-c2VydmljZUtleSI6ICJ0ZXN0LXNlcnZpY2Uta2V5IiwgImFjY291bnRJRCI6ICJh
-YmNkYWJjZGFiY2RhYmNkMTIzNDU2Nzg5MGFiY2RlZiJ9
+eyJ6b25lSUQiOiAiN2IwYTRkNzdkZmI4ODFjMWEzYjdkNjFlYTk0NDNlMTkiLCAiYWNjb3VudElE
+IjogImFiY2RhYmNkYWJjZGFiY2QxMjM0NTY3ODkwYWJjZGVmIn0=
 -----END ARGO TUNNEL TOKEN-----

certutil/test-cert-two-certificates.pem

@@ -1,85 +0,0 @@
------BEGIN PRIVATE KEY-----
-MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQCfGswL16Fz9Ei3
-sAg5AmBizoN2nZdyXHP8T57UxUMcrlJXEEXCVS5RR4m9l+EmK0ng6yHR1H5oX1Lg
-1WKyXgWwr0whwmdTD+qWFJW2M8HyefyBKLrsGPuxw4CVYT0h72bxtG0uyrXYh7Mt
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-IFI9bLyVAXKb8vYP1TMaTnXi5qmFof+/JShgyZc3+1tZtWTfoaiC8Y1bRfE2yk+D
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-sb9K7wGVUiF0Bt0ch+C1mdYrCaFNHnPuDswjmm3FwQKBgQDYtxOwwSLA6ZyppozX
-Doyx9a7PhiMHCFKSdVB4l8rpK545a+AmpG6LRScTtBsMTHBhT3IQ3QPWlVm1AhjF
-AvXMa1rOeaGbCbDn1xqEoEVPtj4tys8eTfyWmtU73jWTFauOt4/xpf/urEpg91xj
-m+Gl/8qgBrpm5rQxV5Y4MysRlQKBgQC78jzzlhocXGNvw0wT/K2NsknyeoZXqpIE
-QYL60FMl4geZn6w9hwxaL1r+g/tUjTnpBPQtS1r2Ed2gXby5zspN1g/PW8U3t3to
-P7zHIJ/sLBXrCh5RJko3hUgGhDNOOCIQj4IaKUfvHYvEIbIxlyI0vdsXsgXgMuQ8
-pb9Yifn5QQKBgQCmGu0EtYQlyOlDP10EGSrN3Dm45l9CrKZdi326cN4eCkikSoLs
-G2x/YumouItiydP5QiNzuXOPrbmse4bwumwb2s0nJSMw6iSmDsFMlmuJxW2zO5e0
-6qGH7fUyhgcaTanJIfk6hrm7/mKkH/S4hGpYCc8NCRsmc/35M+D4AoAoYQKBgQC0
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-OWSM96zgMghx8Os4hhJTxF+rvqK242OfcVsc2x31X94zUaP2z+peh5uhA6Pb3Nxr
-W+iyA9k+Vujiwhr+h5D3VvtvH++aG6/KpGtoCf5nAQKBgQDXX2+d7bd5CLNLLFNd
-M2i4QoOFcSKIG+v4SuvgEJHgG8vGvxh2qlSxnMWuPV+7/1P5ATLqDj1PlKms+BNR
-y7sc5AT9PclkL3Y9MNzOu0LXyBkGYcl8M0EQfLv9VPbWT+NXiMg/O2CHiT02pAAz
-uQicoQq3yzeQh20wtrtaXzTNmA==
------END PRIVATE KEY-----
------BEGIN CERTIFICATE-----
-MIID+jCCA6CgAwIBAgIUJhFxUKEGvTRc3CjCok6dbPGH/P4wCgYIKoZIzj0EAwIw
-gagxCzAJBgNVBAYTAlVTMRkwFwYDVQQKExBDbG91ZEZsYXJlLCBJbmMuMTgwNgYD
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-GswL16Fz9Ei3sAg5AmBizoN2nZdyXHP8T57UxUMcrlJXEEXCVS5RR4m9l+EmK0ng
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-YXJub2xkLmNvbTA8BgNVHR8ENTAzMDGgL6AthitodHRwOi8vY3JsLmNsb3VkZmxh
-cmUuY29tL29yaWdpbl9lY2NfY2EuY3JsMAoGCCqGSM49BAMCA0gAMEUCIDV7HoMj
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-x+Yo/cL8fGfVpPt4UM8=
------END CERTIFICATE-----
------BEGIN CERTIFICATE-----
-MIID+jCCA6CgAwIBAgIUJhFxUKEGvTRc3CjCok6dbPGH/P4wCgYIKoZIzj0EAwIw
-gagxCzAJBgNVBAYTAlVTMRkwFwYDVQQKExBDbG91ZEZsYXJlLCBJbmMuMTgwNgYD
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-x+Yo/cL8fGfVpPt4UM8=
------END CERTIFICATE-----
------BEGIN WARP TOKEN-----
-N2IwYTRkNzdkZmI4ODFjMWEzYjdkNjFlYTk0NDNlMTkKdjEuMC01OGJkNGY5ZTI4
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-ZWYxZTI2Zjc=
------END WARP TOKEN-----

certutil/test-cert-unknown-block.pem

@@ -50,7 +50,7 @@ cmUuY29tL29yaWdpbl9lY2NfY2EuY3JsMAoGCCqGSM49BAMCA0gAMEUCIDV7HoMj
 K5rShE/l+90YAOzHC89OH/wUz3I5KYOFuehoAiEA8e92aIf9XBkr0K6EvFCiSsD+
 x+Yo/cL8fGfVpPt4UM8=
 -----END CERTIFICATE-----
------BEGIN WARP TOKEN-----
+-----BEGIN ARGO TUNNEL TOKEN-----
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@@ -58,7 +58,7 @@ NzQ5OGVlM2YwOWY2NGE0YWQ3OWZmZTg3OTFlZGJhZTA4YjM2YzFkOGYxZDcwYTg2
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 ZWYxZTI2Zjc=
------END WARP TOKEN-----
+-----END ARGO TUNNEL TOKEN-----
 -----BEGIN RSA PRIVATE KEY-----
 MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQCfGswL16Fz9Ei3
 sAg5AmBizoN2nZdyXHP8T57UxUMcrlJXEEXCVS5RR4m9l+EmK0ng6yHR1H5oX1Lg

certutil/test-cert.pem

@@ -1,61 +0,0 @@
------BEGIN PRIVATE KEY-----
-MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQCfGswL16Fz9Ei3
-sAg5AmBizoN2nZdyXHP8T57UxUMcrlJXEEXCVS5RR4m9l+EmK0ng6yHR1H5oX1Lg
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-uQicoQq3yzeQh20wtrtaXzTNmA==
------END PRIVATE KEY-----
------BEGIN CERTIFICATE-----
-MIID+jCCA6CgAwIBAgIUJhFxUKEGvTRc3CjCok6dbPGH/P4wCgYIKoZIzj0EAwIw
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-ExRDbG91ZEZsYXJlIE9yaWdpbiBDQTEmMCQGA1UEAxMdQ2xvdWRGbGFyZSBPcmln
-aW4gQ2VydGlmaWNhdGUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCf
-GswL16Fz9Ei3sAg5AmBizoN2nZdyXHP8T57UxUMcrlJXEEXCVS5RR4m9l+EmK0ng
-6yHR1H5oX1Lg1WKyXgWwr0whwmdTD+qWFJW2M8HyefyBKLrsGPuxw4CVYT0h72bx
-tG0uyrXYh7Mtz0lHjGV90qrFpq5o0jx0sLbDlDvpFPbIO58uYzKG4Sn2VTC4rOyX
-PE6SuDvMHIeX6Ekw4wSVQ9eTbksLQqTyxSqM3zp2ygc56SjGjy1nGQT8ZBGFzSbZ
-AzNOxVKrUsySx7LzZVl+zCGCPlQwaYLKObKXadZJmrqSFmErC5jcbVgBz7oJQOgl
-HJ2n0sMcZ+Ja1Y649mPVAgMBAAGjggEgMIIBHDAOBgNVHQ8BAf8EBAMCBaAwEwYD
-VR0lBAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUzA6f2Ajq
-zhX67c6piY2a1uTiUkwwHwYDVR0jBBgwFoAU2qfBlqxKMZnf0QeTeYiMelfqJfgw
-RAYIKwYBBQUHAQEEODA2MDQGCCsGAQUFBzABhihodHRwOi8vb2NzcC5jbG91ZGZs
-YXJlLmNvbS9vcmlnaW5fZWNjX2NhMCMGA1UdEQQcMBqCDCouYXJub2xkLmNvbYIK
-YXJub2xkLmNvbTA8BgNVHR8ENTAzMDGgL6AthitodHRwOi8vY3JsLmNsb3VkZmxh
-cmUuY29tL29yaWdpbl9lY2NfY2EuY3JsMAoGCCqGSM49BAMCA0gAMEUCIDV7HoMj
-K5rShE/l+90YAOzHC89OH/wUz3I5KYOFuehoAiEA8e92aIf9XBkr0K6EvFCiSsD+
-x+Yo/cL8fGfVpPt4UM8=
------END CERTIFICATE-----
------BEGIN WARP TOKEN-----
-N2IwYTRkNzdkZmI4ODFjMWEzYjdkNjFlYTk0NDNlMTkKdjEuMC01OGJkNGY5ZTI4
-ZjdiM2MyOGUwNWEzNWZmM2U4MGFiNGZkOTY0NGVmM2ZlY2U1MzdlYjBkMTJlMmU5
-MjU4MjE3LTE4MzQ0MmZiYjBiYmRiM2U1NzE1NThmZWM5YjU1ODllYmQ3N2FhZmM4
-NzQ5OGVlM2YwOWY2NGE0YWQ3OWZmZTg3OTFlZGJhZTA4YjM2YzFkOGYxZDcwYTg2
-NzBkZTU2OTIyZGZmOTJiMTVkMjE0YTUyNGY0ZWJmYTE5NTg4NTllLTdjZTgwZjc5
-OTIxMzEyYTYwMjJjNWQyNWUyZDM4MGY4MmNlYWVmZTNmYmRjNDNkZDEzYjA4MGUz
-ZWYxZTI2Zjc=
------END WARP TOKEN-----

certutil/test-cloudflare-tunnel-cert-json.pem

@@ -51,6 +51,7 @@ K5rShE/l+90YAOzHC89OH/wUz3I5KYOFuehoAiEA8e92aIf9XBkr0K6EvFCiSsD+
 x+Yo/cL8fGfVpPt4UM8=
 -----END CERTIFICATE-----
 -----BEGIN ARGO TUNNEL TOKEN-----
-N2IwYTRkNzdkZmI4ODFjMWEzYjdkNjFlYTk0NDNlMTkKdGVzdC1zZXJ2aWNlLWtl
-eQ==
+eyJ6b25lSUQiOiAiN2IwYTRkNzdkZmI4ODFjMWEzYjdkNjFlYTk0NDNlMTkiLCAiYXBpVG9rZW4i
+OiAidGVzdC1zZXJ2aWNlLWtleSIsICJhY2NvdW50SUQiOiAiYWJjZGFiY2RhYmNkYWJjZDEyMzQ1
+Njc4OTBhYmNkZWYifQ==
 -----END ARGO TUNNEL TOKEN-----

cfapi/base_client.go

@@ -104,7 +104,7 @@ func (r *RESTClient) sendRequest(method string, url url.URL, body interface{}) (
 	if bodyReader != nil {
 		req.Header.Set("Content-Type", jsonContentType)
 	}
-	req.Header.Add("X-Auth-User-Service-Key", r.authToken)
+	req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", r.authToken))
 	req.Header.Add("Accept", "application/json;version=1")
 	return r.client.Do(req)
 }

cfapi/client.go

@@ -28,7 +28,7 @@ type IPRouteClient interface {
 type VnetClient interface {
 	CreateVirtualNetwork(newVnet NewVirtualNetwork) (VirtualNetwork, error)
 	ListVirtualNetworks(filter *VnetFilter) ([]*VirtualNetwork, error)
-	DeleteVirtualNetwork(id uuid.UUID) error
+	DeleteVirtualNetwork(id uuid.UUID, force bool) error
 	UpdateVirtualNetwork(id uuid.UUID, updates UpdateVirtualNetwork) error
 }
 

cfapi/virtual_network.go

@@ -80,9 +80,16 @@ func (r *RESTClient) ListVirtualNetworks(filter *VnetFilter) ([]*VirtualNetwork,
 	return nil, r.statusCodeToError("list virtual networks", resp)
 }
 
-func (r *RESTClient) DeleteVirtualNetwork(id uuid.UUID) error {
+func (r *RESTClient) DeleteVirtualNetwork(id uuid.UUID, force bool) error {
 	endpoint := r.baseEndpoints.accountVnets
 	endpoint.Path = path.Join(endpoint.Path, url.PathEscape(id.String()))
+
+	queryParams := url.Values{}
+	if force {
+		queryParams.Set("force", strconv.FormatBool(force))
+	}
+	endpoint.RawQuery = queryParams.Encode()
+
 	resp, err := r.sendRequest("DELETE", endpoint, nil)
 	if err != nil {
 		return errors.Wrap(err, "REST request failed")

cfsetup.yaml

@@ -1,23 +1,29 @@
-pinned_go: &pinned_go go=1.17.5-1
-pinned_go_fips: &pinned_go_fips go-boring=1.17.5-1
+pinned_go: &pinned_go go=1.19.3-1
+pinned_go_fips: &pinned_go_fips go-boring=1.19.3-1
 
 build_dir: &build_dir /cfsetup_build
-default-flavor: buster
+default-flavor: bullseye
 stretch: &stretch
   build:
     build_dir: *build_dir
-    builddeps:
+    builddeps: &build_deps
       - *pinned_go
       - build-essential
+      - gotest-to-teamcity
+    pre-cache: &build_pre_cache
+      - export GOCACHE=/cfsetup_build/.cache/go-build
+      - go install golang.org/x/tools/cmd/goimports@latest
     post-cache:
       - export GOOS=linux
       - export GOARCH=amd64
       - make cloudflared
   build-fips:
     build_dir: *build_dir
-    builddeps:
+    builddeps: &build_deps_fips
       - *pinned_go_fips
       - build-essential
+      - gotest-to-teamcity
+    pre-cache: *build_pre_cache
     post-cache:
       - export GOOS=linux
       - export GOARCH=amd64
@@ -40,16 +46,22 @@ stretch: &stretch
       - libffi-dev
       - python3-setuptools
       - python3-pip
+      - reprepro
+      - createrepo
     pre-cache: &github_release_pkgs_pre_cache
       - wget https://github.com/sudarshan-reddy/msitools/releases/download/v0.101b/wixl -P /usr/local/bin
       - chmod a+x /usr/local/bin/wixl
       - pip3 install pynacl==1.4.0
       - pip3 install pygithub==1.55
+      - pip3 install boto3==1.22.9
+      - pip3 install python-gnupg==0.4.9
     post-cache:
       # build all packages (except macos and FIPS) and move them to /cfsetup/built_artifacts
       - ./build-packages.sh
       # release the packages built and moved to /cfsetup/built_artifacts
       - make github-release-built-pkgs
+      # publish packages to linux repos
+      - make release-pkgs-linux
   # handle FIPS separately so that we built with gofips compiler
   github-fips-release-pkgs:
     build_dir: *build_dir
@@ -72,6 +84,13 @@ stretch: &stretch
       # same logic as above, but for FIPS packages only
       - ./build-packages-fips.sh
       - make github-release-built-pkgs
+  generate-versions-file:
+    build_dir: *build_dir
+    builddeps: 
+      - *pinned_go
+      - build-essential
+    post-cache:
+      - make generate-docker-version
   build-deb:
     build_dir: *build_dir
     builddeps: &build_deb_deps
@@ -113,21 +132,9 @@ stretch: &stretch
       - export GOOS=linux
       - export GOARCH=arm64
       - make cloudflared-deb
-  publish-deb:
-    build_dir: *build_dir
-    builddeps:
-      - *pinned_go
-      - build-essential
-      - fakeroot
-      - rubygem-fpm
-      - openssh-client
-    post-cache:
-      - export GOOS=linux
-      - export GOARCH=amd64
-      - make publish-deb
   github-release-macos-amd64:
     build_dir: *build_dir
-    builddeps:
+    builddeps: &build_pygithub
       - *pinned_go
       - build-essential
       - python3-dev
@@ -139,15 +146,31 @@ stretch: &stretch
       - pip3 install pygithub==1.55
     post-cache:
       - make github-mac-upload
-  test:
+  github-release-windows:
     build_dir: *build_dir
     builddeps:
       - *pinned_go
       - build-essential
-      - gotest-to-teamcity
-    pre-cache: &test_pre_cache
-      - go get golang.org/x/tools/cmd/goimports
-      - go get github.com/sudarshan-reddy/go-sumtype@v0.0.0-20210827105221-82eca7e5abb1
+      - python3-dev
+      - libffi-dev
+      - python3-setuptools
+      - python3-pip
+      - wget
+      # libmsi and libgcab are libraries the wixl binary depends on.
+      - libmsi-dev
+      - libgcab-dev
+    pre-cache:
+      - wget https://github.com/sudarshan-reddy/msitools/releases/download/v0.101b/wixl -P /usr/local/bin
+      - chmod a+x /usr/local/bin/wixl
+      - pip3 install pynacl==1.4.0
+      - pip3 install pygithub==1.55
+    post-cache:
+      - .teamcity/package-windows.sh
+      - make github-windows-upload
+  test:
+    build_dir: *build_dir
+    builddeps: *build_deps
+    pre-cache: *build_pre_cache
     post-cache:
       - export GOOS=linux
       - export GOARCH=amd64
@@ -156,11 +179,8 @@ stretch: &stretch
       - make test | gotest-to-teamcity
   test-fips:
     build_dir: *build_dir
-    builddeps:
-      - *pinned_go_fips
-      - build-essential
-      - gotest-to-teamcity
-    pre-cache: *test_pre_cache
+    builddeps: *build_deps_fips
+    pre-cache: *build_pre_cache
     post-cache:
       - export GOOS=linux
       - export GOARCH=amd64
@@ -169,6 +189,26 @@ stretch: &stretch
       - ./fmt-check.sh
       - make test | gotest-to-teamcity
   component-test:
+    build_dir: *build_dir
+    builddeps:
+      - *pinned_go
+      - python3.7
+      - python3-pip
+      - python3-setuptools
+      # procps installs the ps command which is needed in test_sysv_service because the init script
+      # uses ps pid to determine if the agent is running
+      - procps
+    pre-cache-copy-paths:
+      - component-tests/requirements.txt
+    pre-cache: &component_test_pre_cache
+      - sudo pip3 install --upgrade -r component-tests/requirements.txt
+    post-cache: &component_test_post_cache
+      # Creates and routes a Named Tunnel for this build. Also constructs config file from env vars.
+      - python3 component-tests/setup.py --type create
+      - pytest component-tests -o log_cli=true --log-cli-level=INFO
+      # The Named Tunnel is deleted and its route unprovisioned here.
+      - python3 component-tests/setup.py --type cleanup
+  component-test-fips:
     build_dir: *build_dir
     builddeps:
       - *pinned_go_fips
@@ -180,32 +220,21 @@ stretch: &stretch
       - procps
     pre-cache-copy-paths:
       - component-tests/requirements.txt
-    pre-cache:
-      - sudo pip3 install --upgrade -r component-tests/requirements.txt
-    post-cache:
-      # Creates and routes a Named Tunnel for this build. Also constructs config file from env vars.
-      - python3 component-tests/setup.py --type create
-      - pytest component-tests -o log_cli=true --log-cli-level=INFO
-      # The Named Tunnel is deleted and its route unprovisioned here.
-      - python3 component-tests/setup.py --type cleanup
+    pre-cache: *component_test_pre_cache
+    post-cache: *component_test_post_cache
   update-homebrew:
     builddeps:
       - openssh-client
       - s3cmd
       - jq
       - build-essential
+      - procps
     post-cache:
       - .teamcity/update-homebrew.sh
       - .teamcity/update-homebrew-core.sh
   github-message-release:
     build_dir: *build_dir
-    builddeps:
-      - *pinned_go
-      - build-essential
-      - python3-dev
-      - libffi-dev
-      - python3-setuptools
-      - python3-pip
+    builddeps: *build_pygithub
     pre-cache: *install_pygithub
     post-cache:
       - make github-message
@@ -216,13 +245,13 @@ stretch: &stretch
       - build-essential
       - python3
       - genisoimage
-      - jetez
     pre-cache:
       - ln -s /usr/bin/genisoimage /usr/bin/mkisofs
     post-cache:
+      - export CGO_ENABLED=0
       - export GOOS=freebsd
       - export GOARCH=amd64
-      - make cloudflared-junos
+      - make cloudflared
   publish-junos:
     build_dir: *build_dir
     builddeps:
@@ -241,18 +270,4 @@ stretch: &stretch
 
 buster: *stretch
 bullseye: *stretch
-centos-7:
-  publish-rpm:
-    build_dir: *build_dir
-    builddeps: &el7_builddeps
-      - https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
-    pre-cache:
-      - yum install -y fakeroot
-      - yum upgrade -y binutils-2.27-44.base.el7.x86_64
-      - wget https://go.dev/dl/go1.17.5.linux-amd64.tar.gz -P /tmp/
-      - tar -C /usr/local -xzf /tmp/go1.17.5.linux-amd64.tar.gz
-    post-cache:
-      - export PATH=$PATH:/usr/local/go/bin
-      - export GOOS=linux
-      - export GOARCH=amd64
-      - make publish-rpm
+bookworm: *stretch

cmd/cloudflared/access/cmd.go

@@ -11,7 +11,7 @@ import (
 	"text/template"
 	"time"
 
-	"github.com/getsentry/raven-go"
+	"github.com/getsentry/sentry-go"
 	"github.com/pkg/errors"
 	"github.com/rs/zerolog"
 	"github.com/urfave/cli/v2"
@@ -37,16 +37,13 @@ const (
 	sshConfigTemplate  = `
 Add to your {{.Home}}/.ssh/config:
 
-Host {{.Hostname}}
 {{- if .ShortLivedCerts}}
-  ProxyCommand bash -c '{{.Cloudflared}} access ssh-gen --hostname %h; ssh -tt %r@cfpipe-{{.Hostname}} >&2 <&1'
-
-Host cfpipe-{{.Hostname}}
-  HostName {{.Hostname}}
+Match host {{.Hostname}} exec "{{.Cloudflared}} access ssh-gen --hostname %h"
   ProxyCommand {{.Cloudflared}} access ssh --hostname %h
-  IdentityFile ~/.cloudflared/{{.Hostname}}-cf_key
-  CertificateFile ~/.cloudflared/{{.Hostname}}-cf_key-cert.pub
+  IdentityFile ~/.cloudflared/%h-cf_key
+  CertificateFile ~/.cloudflared/%h-cf_key-cert.pub
 {{- else}}
+Host {{.Hostname}}
   ProxyCommand {{.Cloudflared}} access ssh --hostname %h
 {{end}}
 `
@@ -56,11 +53,13 @@ const sentryDSN = "https://56a9c9fa5c364ab28f34b14f35ea0f1b@sentry.io/189878"
 
 var (
 	shutdownC chan struct{}
+	userAgent = "DEV"
 )
 
 // Init will initialize and store vars from the main program
-func Init(shutdown chan struct{}) {
+func Init(shutdown chan struct{}, version string) {
 	shutdownC = shutdown
+	userAgent = fmt.Sprintf("cloudflared/%s", version)
 }
 
 // Flags return the global flags for Access related commands (hopefully none)
@@ -203,7 +202,11 @@ func Commands() []*cli.Command {
 
 // login pops up the browser window to do the actual login and JWT generation
 func login(c *cli.Context) error {
-	if err := raven.SetDSN(sentryDSN); err != nil {
+	err := sentry.Init(sentry.ClientOptions{
+		Dsn:     sentryDSN,
+		Release: c.App.Version,
+	})
+	if err != nil {
 		return err
 	}
 
@@ -252,7 +255,11 @@ func ensureURLScheme(url string) string {
 
 // curl provides a wrapper around curl, passing Access JWT along in request
 func curl(c *cli.Context) error {
-	if err := raven.SetDSN(sentryDSN); err != nil {
+	err := sentry.Init(sentry.ClientOptions{
+		Dsn:     sentryDSN,
+		Release: c.App.Version,
+	})
+	if err != nil {
 		return err
 	}
 	log := logger.CreateLoggerFromContext(c, logger.EnableTerminalLog)
@@ -294,6 +301,7 @@ func curl(c *cli.Context) error {
 // run kicks off a shell task and pipe the results to the respective std pipes
 func run(cmd string, args ...string) error {
 	c := exec.Command(cmd, args...)
+	c.Stdin = os.Stdin
 	stderr, err := c.StderrPipe()
 	if err != nil {
 		return err
@@ -314,7 +322,11 @@ func run(cmd string, args ...string) error {
 
 // token dumps provided token to stdout
 func generateToken(c *cli.Context) error {
-	if err := raven.SetDSN(sentryDSN); err != nil {
+	err := sentry.Init(sentry.ClientOptions{
+		Dsn:     sentryDSN,
+		Release: c.App.Version,
+	})
+	if err != nil {
 		return err
 	}
 	appURL, err := url.Parse(ensureURLScheme(c.String("app")))
@@ -505,7 +517,7 @@ func isTokenValid(options *carrier.StartOptions, log *zerolog.Logger) (bool, err
 	if err != nil {
 		return false, errors.Wrap(err, "Could not create access request")
 	}
-
+	req.Header.Set("User-Agent", userAgent)
 	// Do not follow redirects
 	client := &http.Client{
 		CheckRedirect: func(req *http.Request, via []*http.Request) error {

cmd/cloudflared/main.go

@@ -6,7 +6,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/getsentry/raven-go"
+	"github.com/getsentry/sentry-go"
 	homedir "github.com/mitchellh/go-homedir"
 	"github.com/pkg/errors"
 	"github.com/urfave/cli/v2"
@@ -21,6 +21,8 @@ import (
 	"github.com/cloudflare/cloudflared/logger"
 	"github.com/cloudflare/cloudflared/metrics"
 	"github.com/cloudflare/cloudflared/overwatch"
+	"github.com/cloudflare/cloudflared/token"
+	"github.com/cloudflare/cloudflared/tracing"
 	"github.com/cloudflare/cloudflared/watcher"
 )
 
@@ -48,7 +50,6 @@ var (
 func main() {
 	rand.Seed(time.Now().UnixNano())
 	metrics.RegisterBuildInfo(BuildType, BuildTime, Version)
-	raven.SetRelease(Version)
 	maxprocs.Set()
 	bInfo := cliutil.GetBuildInfo(BuildType, Version)
 
@@ -84,8 +85,10 @@ func main() {
 	app.Commands = commands(cli.ShowVersion)
 
 	tunnel.Init(bInfo, graceShutdownC) // we need this to support the tunnel sub command...
-	access.Init(graceShutdownC)
+	access.Init(graceShutdownC, Version)
 	updater.Init(Version)
+	tracing.Init(Version)
+	token.Init(Version)
 	runApp(app, graceShutdownC)
 }
 
@@ -152,10 +155,10 @@ func action(graceShutdownC chan struct{}) cli.ActionFunc {
 		if isEmptyInvocation(c) {
 			return handleServiceMode(c, graceShutdownC)
 		}
-		tags := make(map[string]string)
-		tags["hostname"] = c.String("hostname")
-		raven.SetTagsContext(tags)
-		raven.CapturePanic(func() { err = tunnel.TunnelCommand(c) }, nil)
+		func() {
+			defer sentry.Recover()
+			err = tunnel.TunnelCommand(c)
+		}()
 		if err != nil {
 			captureError(err)
 		}
@@ -183,7 +186,7 @@ func captureError(err error) {
 			return
 		}
 	}
-	raven.CaptureError(err, nil)
+	sentry.CaptureException(err)
 }
 
 // cloudflared was started without any flags

cmd/cloudflared/proxydns/cmd.go

@@ -1,6 +1,7 @@
 package proxydns
 
 import (
+	"context"
 	"net"
 	"os"
 	"os/signal"
@@ -73,7 +74,7 @@ func Run(c *cli.Context) error {
 		log.Fatal().Err(err).Msg("Failed to open the metrics listener")
 	}
 
-	go metrics.ServeMetrics(metricsListener, nil, nil, "", nil, log)
+	go metrics.ServeMetrics(metricsListener, context.Background(), metrics.Config{}, log)
 
 	listener, err := tunneldns.CreateListener(
 		c.String("address"),

cmd/cloudflared/service_template.go

@@ -8,6 +8,7 @@ import (
 	"io/ioutil"
 	"os"
 	"os/exec"
+	"path"
 	"text/template"
 
 	homedir "github.com/mitchellh/go-homedir"
@@ -52,10 +53,17 @@ func (st *ServiceTemplate) Generate(args *ServiceTemplateArgs) error {
 	if err != nil {
 		return fmt.Errorf("error generating %s: %v", st.Path, err)
 	}
-	fileMode := os.FileMode(0644)
+	fileMode := os.FileMode(0o644)
 	if st.FileMode != 0 {
 		fileMode = st.FileMode
 	}
+
+	plistFolder := path.Dir(resolvedPath)
+	err = os.MkdirAll(plistFolder, 0o755)
+	if err != nil {
+		return fmt.Errorf("error creating %s: %v", plistFolder, err)
+	}
+
 	err = ioutil.WriteFile(resolvedPath, buffer.Bytes(), fileMode)
 	if err != nil {
 		return fmt.Errorf("error writing %s: %v", resolvedPath, err)

cmd/cloudflared/tunnel/cmd.go

@@ -14,7 +14,8 @@ import (
 
 	"github.com/coreos/go-systemd/daemon"
 	"github.com/facebookgo/grace/gracenet"
-	"github.com/getsentry/raven-go"
+	"github.com/getsentry/sentry-go"
+	"github.com/google/uuid"
 	homedir "github.com/mitchellh/go-homedir"
 	"github.com/pkg/errors"
 	"github.com/rs/zerolog"
@@ -24,7 +25,6 @@ import (
 	"github.com/cloudflare/cloudflared/cfapi"
 	"github.com/cloudflare/cloudflared/cmd/cloudflared/cliutil"
 	"github.com/cloudflare/cloudflared/cmd/cloudflared/proxydns"
-	"github.com/cloudflare/cloudflared/cmd/cloudflared/ui"
 	"github.com/cloudflare/cloudflared/cmd/cloudflared/updater"
 	"github.com/cloudflare/cloudflared/config"
 	"github.com/cloudflare/cloudflared/connection"
@@ -82,6 +82,15 @@ const (
 	LogFieldPIDPathname         = "pidPathname"
 	LogFieldTmpTraceFilename    = "tmpTraceFilename"
 	LogFieldTraceOutputFilepath = "traceOutputFilepath"
+
+	tunnelCmdErrorMessage = `You did not specify any valid additional argument to the cloudflared tunnel command. 
+
+If you are trying to run a Quick Tunnel then you need to explicitly pass the --url flag. 
+Eg. cloudflared tunnel --url localhost:8080/. 
+
+Please note that Quick Tunnels are meant to be ephemeral and should only be used for testing purposes. 
+For production usage, we recommend creating Named Tunnels. (https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/install-and-setup/tunnel-guide/)
+`
 )
 
 var (
@@ -91,6 +100,7 @@ var (
 	routeFailMsg = fmt.Sprintf("failed to provision routing, please create it manually via Cloudflare dashboard or UI; "+
 		"most likely you already have a conflicting record there. You can also rerun this command with --%s to overwrite "+
 		"any existing DNS records for this hostname.", overwriteDNSFlag)
+	deprecatedClassicTunnelErr = fmt.Errorf("Classic tunnels have been deprecated, please use Named Tunnels. (https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/install-and-setup/tunnel-guide/)")
 )
 
 func Flags() []cli.Flag {
@@ -166,21 +176,34 @@ func TunnelCommand(c *cli.Context) error {
 	if err != nil {
 		return err
 	}
+
 	if name := c.String("name"); name != "" { // Start a named tunnel
 		return runAdhocNamedTunnel(sc, name, c.String(CredFileFlag))
 	}
+
+	// Unauthenticated named tunnel on <random>.<quick-tunnels-service>.com
+	shouldRunQuickTunnel := c.IsSet("url") || c.IsSet("hello-world")
+	if !dnsProxyStandAlone(c, nil) && c.String("quick-service") != "" && shouldRunQuickTunnel {
+		return RunQuickTunnel(sc)
+	}
+
 	if ref := config.GetConfiguration().TunnelID; ref != "" {
 		return fmt.Errorf("Use `cloudflared tunnel run` to start tunnel %s", ref)
 	}
 
-	// Unauthenticated named tunnel on <random>.<quick-tunnels-service>.com
-	// For now, default to legacy setup unless quick-service is specified
-	if !dnsProxyStandAlone(c, nil) && c.String("hostname") == "" && c.String("quick-service") != "" {
-		return RunQuickTunnel(sc)
+	// classic tunnel usage is no longer supported
+	if c.String("hostname") != "" {
+		return deprecatedClassicTunnelErr
 	}
 
-	// Start a classic tunnel
-	return runClassicTunnel(sc)
+	if c.IsSet("proxy-dns") {
+		// NamedTunnelProperties are nil since proxy dns server does not need it.
+		// This is supported for legacy reasons: dns proxy server is not a tunnel and ideally should
+		// not run as part of cloudflared tunnel.
+		return StartServer(sc.c, buildInfo, nil, sc.log)
+	}
+
+	return errors.New(tunnelCmdErrorMessage)
 }
 
 func Init(info *cliutil.BuildInfo, gracefulShutdown chan struct{}) {
@@ -215,11 +238,6 @@ func runAdhocNamedTunnel(sc *subcommandContext, name, credentialsOutputPath stri
 	return nil
 }
 
-// runClassicTunnel creates a "classic" non-named tunnel
-func runClassicTunnel(sc *subcommandContext) error {
-	return StartServer(sc.c, buildInfo, nil, sc.log, sc.isUIEnabled)
-}
-
 func routeFromFlag(c *cli.Context) (route cfapi.HostnameRoute, ok bool) {
 	if hostname := c.String("hostname"); hostname != "" {
 		if lbPool := c.String("lb-pool"); lbPool != "" {
@@ -235,14 +253,20 @@ func StartServer(
 	info *cliutil.BuildInfo,
 	namedTunnel *connection.NamedTunnelProperties,
 	log *zerolog.Logger,
-	isUIEnabled bool,
 ) error {
-	_ = raven.SetDSN(sentryDSN)
+	err := sentry.Init(sentry.ClientOptions{
+		Dsn:     sentryDSN,
+		Release: c.App.Version,
+	})
+	if err != nil {
+		return err
+	}
 	var wg sync.WaitGroup
 	listeners := gracenet.Net{}
 	errC := make(chan error)
 
-	if config.GetConfiguration().Source() == "" {
+	// Only log for locally configured tunnels (Token is blank).
+	if config.GetConfiguration().Source() == "" && c.String(TunnelTokenFlag) == "" {
 		log.Info().Msg(config.ErrNoConfigFile.Error())
 	}
 
@@ -322,17 +346,9 @@ func StartServer(
 		return waitToShutdown(&wg, cancel, errC, graceShutdownC, 0, log)
 	}
 
-	url := c.String("url")
-	hostname := c.String("hostname")
-	if url == hostname && url != "" && hostname != "" {
-		errText := "hostname and url shouldn't match. See --help for more information"
-		log.Error().Msg(errText)
-		return fmt.Errorf(errText)
-	}
+	logTransport := logger.CreateTransportLoggerFromContext(c, logger.EnableTerminalLog)
 
-	logTransport := logger.CreateTransportLoggerFromContext(c, isUIEnabled)
-
-	observer := connection.NewObserver(log, logTransport, isUIEnabled)
+	observer := connection.NewObserver(log, logTransport)
 
 	// Send Quick Tunnel URL to UI if applicable
 	var quickTunnelURL string
@@ -343,13 +359,21 @@ func StartServer(
 		observer.SendURL(quickTunnelURL)
 	}
 
-	tunnelConfig, dynamicConfig, err := prepareTunnelConfig(c, info, log, logTransport, observer, namedTunnel)
+	tunnelConfig, orchestratorConfig, err := prepareTunnelConfig(c, info, log, logTransport, observer, namedTunnel)
 	if err != nil {
 		log.Err(err).Msg("Couldn't start tunnel")
 		return err
 	}
+	var clientID uuid.UUID
+	if tunnelConfig.NamedTunnel != nil {
+		clientID, err = uuid.FromBytes(tunnelConfig.NamedTunnel.Client.ClientID)
+		if err != nil {
+			// set to nil for classic tunnels
+			clientID = uuid.Nil
+		}
+	}
 
-	orchestrator, err := orchestration.NewOrchestrator(ctx, dynamicConfig, tunnelConfig.Tags, tunnelConfig.Log)
+	orchestrator, err := orchestration.NewOrchestrator(ctx, orchestratorConfig, tunnelConfig.Tags, tunnelConfig.Log)
 	if err != nil {
 		return err
 	}
@@ -363,12 +387,17 @@ func StartServer(
 	wg.Add(1)
 	go func() {
 		defer wg.Done()
-		readinessServer := metrics.NewReadyServer(log)
+		readinessServer := metrics.NewReadyServer(log, clientID)
 		observer.RegisterSink(readinessServer)
-		errC <- metrics.ServeMetrics(metricsListener, ctx.Done(), readinessServer, quickTunnelURL, orchestrator, log)
+		metricsConfig := metrics.Config{
+			ReadyServer:         readinessServer,
+			QuickTunnelHostname: quickTunnelURL,
+			Orchestrator:        orchestrator,
+		}
+		errC <- metrics.ServeMetrics(metricsListener, ctx, metricsConfig, log)
 	}()
 
-	reconnectCh := make(chan supervisor.ReconnectSignal, 1)
+	reconnectCh := make(chan supervisor.ReconnectSignal, c.Int("ha-connections"))
 	if c.IsSet("stdin-control") {
 		log.Info().Msg("Enabling control through stdin")
 		go stdinControl(reconnectCh, log)
@@ -383,18 +412,6 @@ func StartServer(
 		errC <- supervisor.StartTunnelDaemon(ctx, tunnelConfig, orchestrator, connectedSignal, reconnectCh, graceShutdownC)
 	}()
 
-	if isUIEnabled {
-		tunnelUI := ui.NewUIModel(
-			info.Version(),
-			hostname,
-			metricsListener.Addr().String(),
-			dynamicConfig.Ingress,
-			tunnelConfig.HAConnections,
-		)
-		app := tunnelUI.Launch(ctx, log, logTransport)
-		observer.RegisterSink(app)
-	}
-
 	gracePeriod, err := gracePeriod(c)
 	if err != nil {
 		return err
@@ -514,6 +531,13 @@ func tunnelFlags(shouldHide bool) []cli.Flag {
 			Usage:   "Cloudflare Edge region to connect to. Omit or set to empty to connect to the global region.",
 			EnvVars: []string{"TUNNEL_REGION"},
 		}),
+		altsrc.NewStringFlag(&cli.StringFlag{
+			Name:    "edge-ip-version",
+			Usage:   "Cloudflare Edge ip address version to connect with. {4, 6, auto}",
+			EnvVars: []string{"TUNNEL_EDGE_IP_VERSION"},
+			Value:   "4",
+			Hidden:  false,
+		}),
 		altsrc.NewStringFlag(&cli.StringFlag{
 			Name:    tlsconfig.CaCertFlag,
 			Usage:   "Certificate Authority authenticating connections with Cloudflare's edge network.",
@@ -589,6 +613,12 @@ func tunnelFlags(shouldHide bool) []cli.Flag {
 			Value:  5,
 			Hidden: true,
 		}),
+		altsrc.NewIntFlag(&cli.IntFlag{
+			Name:   "max-edge-addr-retries",
+			Usage:  "Maximum number of times to retry on edge addrs before falling back to a lower protocol",
+			Value:  8,
+			Hidden: true,
+		}),
 		// Note TUN-3758 , we use Int because UInt is not supported with altsrc
 		altsrc.NewIntFlag(&cli.IntFlag{
 			Name:    "retries",
@@ -647,9 +677,9 @@ func tunnelFlags(shouldHide bool) []cli.Flag {
 		}),
 		altsrc.NewBoolFlag(&cli.BoolFlag{
 			Name:   uiFlag,
-			Usage:  "Launch tunnel UI. Tunnel logs are scrollable via 'j', 'k', or arrow keys.",
+			Usage:  "(depreciated) Launch tunnel UI. Tunnel logs are scrollable via 'j', 'k', or arrow keys.",
 			Value:  false,
-			Hidden: shouldHide,
+			Hidden: true,
 		}),
 		altsrc.NewStringFlag(&cli.StringFlag{
 			Name:   "quick-service",
@@ -663,6 +693,13 @@ func tunnelFlags(shouldHide bool) []cli.Flag {
 			EnvVars: []string{"TUNNEL_MAX_FETCH_SIZE"},
 			Hidden:  true,
 		}),
+		altsrc.NewBoolFlag(&cli.BoolFlag{
+			Name:    "post-quantum",
+			Usage:   "When given creates an experimental post-quantum secure tunnel",
+			Aliases: []string{"pq"},
+			EnvVars: []string{"TUNNEL_POST_QUANTUM"},
+			Hidden:  FipsEnabled,
+		}),
 		selectProtocolFlag,
 		overwriteDNSFlag,
 	}...)
@@ -821,6 +858,13 @@ func configureProxyFlags(shouldHide bool) []cli.Flag {
 			EnvVars: []string{"TUNNEL_NO_CHUNKED_ENCODING"},
 			Hidden:  shouldHide,
 		}),
+		altsrc.NewBoolFlag(&cli.BoolFlag{
+			Name:    ingress.Http2OriginFlag,
+			Usage:   "Enables HTTP/2 origin servers.",
+			EnvVars: []string{"TUNNEL_ORIGIN_ENABLE_HTTP2"},
+			Hidden:  shouldHide,
+			Value:   false,
+		}),
 	}
 	return append(flags, sshFlags(shouldHide)...)
 }

cmd/cloudflared/tunnel/configuration.go

@@ -4,6 +4,9 @@ import (
 	"crypto/tls"
 	"fmt"
 	"io/ioutil"
+	mathRand "math/rand"
+	"net"
+	"net/netip"
 	"os"
 	"path/filepath"
 	"strings"
@@ -18,6 +21,7 @@ import (
 	"golang.org/x/crypto/ssh/terminal"
 
 	"github.com/cloudflare/cloudflared/cmd/cloudflared/cliutil"
+	"github.com/cloudflare/cloudflared/edgediscovery/allregions"
 
 	"github.com/cloudflare/cloudflared/config"
 	"github.com/cloudflare/cloudflared/connection"
@@ -28,7 +32,6 @@ import (
 	"github.com/cloudflare/cloudflared/supervisor"
 	"github.com/cloudflare/cloudflared/tlsconfig"
 	tunnelpogs "github.com/cloudflare/cloudflared/tunnelrpc/pogs"
-	"github.com/cloudflare/cloudflared/validation"
 )
 
 const LogFieldOriginCertPath = "originCertPath"
@@ -39,9 +42,10 @@ var (
 	serviceUrl      = developerPortal + "/reference/service/"
 	argumentsUrl    = developerPortal + "/reference/arguments/"
 
-	LogFieldHostname = "hostname"
+	secretFlags     = [2]*altsrc.StringFlag{credentialsContentsFlag, tunnelTokenFlag}
+	defaultFeatures = []string{supervisor.FeatureAllowRemoteConfig, supervisor.FeatureSerializedHeaders, supervisor.FeatureDatagramV2, supervisor.FeatureQUICSupportEOF}
 
-	secretFlags = [2]*altsrc.StringFlag{credentialsContentsFlag, tunnelTokenFlag}
+	configFlags = []string{"autoupdate-freq", "no-autoupdate", "retries", "protocol", "loglevel", "transport-loglevel", "origincert", "metrics", "metrics-update-freq", "edge-ip-version"}
 )
 
 // returns the first path that contains a cert.pem file. If none of the DefaultConfigSearchDirectories
@@ -120,7 +124,7 @@ func isSecretEnvVar(key string) bool {
 }
 
 func dnsProxyStandAlone(c *cli.Context, namedTunnel *connection.NamedTunnelProperties) bool {
-	return c.IsSet("proxy-dns") && (!c.IsSet("hostname") && !c.IsSet("tag") && !c.IsSet("hello-world") && namedTunnel == nil)
+	return c.IsSet("proxy-dns") && (!c.IsSet("tag") && !c.IsSet("hello-world") && namedTunnel == nil)
 }
 
 func findOriginCert(originCertPath string, log *zerolog.Logger) (string, error) {
@@ -186,109 +190,79 @@ func prepareTunnelConfig(
 	observer *connection.Observer,
 	namedTunnel *connection.NamedTunnelProperties,
 ) (*supervisor.TunnelConfig, *orchestration.Config, error) {
-	isNamedTunnel := namedTunnel != nil
-
-	configHostname := c.String("hostname")
-	hostname, err := validation.ValidateHostname(configHostname)
+	clientID, err := uuid.NewRandom()
 	if err != nil {
-		log.Err(err).Str(LogFieldHostname, configHostname).Msg("Invalid hostname")
-		return nil, nil, errors.Wrap(err, "Invalid hostname")
+		return nil, nil, errors.Wrap(err, "can't generate connector UUID")
 	}
-	clientID := c.String("id")
-	if !c.IsSet("id") {
-		clientID, err = generateRandomClientID(log)
-		if err != nil {
-			return nil, nil, err
-		}
-	}
-
+	log.Info().Msgf("Generated Connector ID: %s", clientID)
 	tags, err := NewTagSliceFromCLI(c.StringSlice("tag"))
 	if err != nil {
 		log.Err(err).Msg("Tag parse failure")
 		return nil, nil, errors.Wrap(err, "Tag parse failure")
 	}
-
-	tags = append(tags, tunnelpogs.Tag{Name: "ID", Value: clientID})
-
-	var (
-		ingressRules  ingress.Ingress
-		classicTunnel *connection.ClassicTunnelProperties
-	)
+	tags = append(tags, tunnelpogs.Tag{Name: "ID", Value: clientID.String()})
 
 	transportProtocol := c.String("protocol")
+	needPQ := c.Bool("post-quantum")
+	if needPQ {
+		if FipsEnabled {
+			return nil, nil, fmt.Errorf("post-quantum not supported in FIPS mode")
+		}
+		// Error if the user tries to force a non-quic transport protocol
+		if transportProtocol != connection.AutoSelectFlag && transportProtocol != connection.QUIC.String() {
+			return nil, nil, fmt.Errorf("post-quantum is only supported with the quic transport")
+		}
+		transportProtocol = connection.QUIC.String()
+	}
+
 	protocolFetcher := edgediscovery.ProtocolPercentage
 
-	cfg := config.GetConfiguration()
-	if isNamedTunnel {
-		clientUUID, err := uuid.NewRandom()
-		if err != nil {
-			return nil, nil, errors.Wrap(err, "can't generate connector UUID")
-		}
-		log.Info().Msgf("Generated Connector ID: %s", clientUUID)
-		features := append(c.StringSlice("features"), supervisor.FeatureSerializedHeaders)
-		if c.IsSet(TunnelTokenFlag) {
-			if transportProtocol == connection.AutoSelectFlag {
-				protocolFetcher = func() (edgediscovery.ProtocolPercents, error) {
-					// If the Tunnel is remotely managed and no protocol is set, we prefer QUIC, but still allow fall-back.
-					preferQuic := []edgediscovery.ProtocolPercent{
-						{
-							Protocol:   connection.QUIC.String(),
-							Percentage: 100,
-						},
-						{
-							Protocol:   connection.HTTP2.String(),
-							Percentage: 100,
-						},
-					}
-					return preferQuic, nil
+	features := append(c.StringSlice("features"), defaultFeatures...)
+	if needPQ {
+		features = append(features, supervisor.FeaturePostQuantum)
+	}
+	if c.IsSet(TunnelTokenFlag) {
+		if transportProtocol == connection.AutoSelectFlag {
+			protocolFetcher = func() (edgediscovery.ProtocolPercents, error) {
+				// If the Tunnel is remotely managed and no protocol is set, we prefer QUIC, but still allow fall-back.
+				preferQuic := []edgediscovery.ProtocolPercent{
+					{
+						Protocol:   connection.QUIC.String(),
+						Percentage: 100,
+					},
+					{
+						Protocol:   connection.HTTP2.String(),
+						Percentage: 100,
+					},
 				}
+				return preferQuic, nil
 			}
-			features = append(features, supervisor.FeatureAllowRemoteConfig)
-			log.Info().Msg("Will be fetching remotely managed configuration from Cloudflare API. Defaulting to protocol: quic")
 		}
-		namedTunnel.Client = tunnelpogs.ClientInfo{
-			ClientID: clientUUID[:],
-			Features: dedup(features),
-			Version:  info.Version(),
-			Arch:     info.OSArch(),
-		}
-		ingressRules, err = ingress.ParseIngress(cfg)
-		if err != nil && err != ingress.ErrNoIngressRules {
+		log.Info().Msg("Will be fetching remotely managed configuration from Cloudflare API. Defaulting to protocol: quic")
+	}
+	namedTunnel.Client = tunnelpogs.ClientInfo{
+		ClientID: clientID[:],
+		Features: dedup(features),
+		Version:  info.Version(),
+		Arch:     info.OSArch(),
+	}
+	cfg := config.GetConfiguration()
+	ingressRules, err := ingress.ParseIngress(cfg)
+	if err != nil && err != ingress.ErrNoIngressRules {
+		return nil, nil, err
+	}
+	// Only for quick tunnels will we attempt to parse the --url flag for a tunnel ingress rule
+	if ingressRules.IsEmpty() && c.IsSet("url") && namedTunnel.QuickTunnelUrl != "" {
+		ingressRules, err = ingress.NewSingleOrigin(c, true)
+		if err != nil {
 			return nil, nil, err
 		}
-		if !ingressRules.IsEmpty() && c.IsSet("url") {
-			return nil, nil, ingress.ErrURLIncompatibleWithIngress
-		}
-	} else {
-
-		originCertPath := c.String("origincert")
-		originCertLog := log.With().
-			Str(LogFieldOriginCertPath, originCertPath).
-			Logger()
-
-		originCert, err := getOriginCert(originCertPath, &originCertLog)
-		if err != nil {
-			return nil, nil, errors.Wrap(err, "Error getting origin cert")
-		}
-
-		classicTunnel = &connection.ClassicTunnelProperties{
-			Hostname:   hostname,
-			OriginCert: originCert,
-			// turn off use of reconnect token and auth refresh when using named tunnels
-			UseReconnectToken: !isNamedTunnel && c.Bool("use-reconnect-token"),
-		}
 	}
-
-	// Convert single-origin configuration into multi-origin configuration.
 	if ingressRules.IsEmpty() {
-		ingressRules, err = ingress.NewSingleOrigin(c, !isNamedTunnel)
-		if err != nil {
-			return nil, nil, err
-		}
+		return nil, nil, ingress.ErrNoIngressRules
 	}
 
-	warpRoutingEnabled := isWarpRoutingEnabled(cfg.WarpRouting, isNamedTunnel)
-	protocolSelector, err := connection.NewProtocolSelector(transportProtocol, warpRoutingEnabled, namedTunnel, protocolFetcher, supervisor.ResolveTTL, log)
+	protocolSelector, err := connection.NewProtocolSelector(transportProtocol, cfg.WarpRouting.Enabled, namedTunnel, protocolFetcher, supervisor.ResolveTTL, log, c.Bool("post-quantum"))
 	if err != nil {
 		return nil, nil, err
 	}
@@ -322,14 +296,28 @@ func prepareTunnelConfig(
 		CompressionSetting: h2mux.CompressionSetting(uint64(c.Int("compression-quality"))),
 		MetricsUpdateFreq:  c.Duration("metrics-update-freq"),
 	}
+	edgeIPVersion, err := parseConfigIPVersion(c.String("edge-ip-version"))
+	if err != nil {
+		return nil, nil, err
+	}
+
+	var pqKexIdx int
+	if needPQ {
+		pqKexIdx = mathRand.Intn(len(supervisor.PQKexes))
+		log.Info().Msgf(
+			"Using experimental hybrid post-quantum key agreement %s",
+			supervisor.PQKexNames[supervisor.PQKexes[pqKexIdx]],
+		)
+	}
 
 	tunnelConfig := &supervisor.TunnelConfig{
 		GracePeriod:     gracePeriod,
 		ReplaceExisting: c.Bool("force"),
 		OSArch:          info.OSArch(),
-		ClientID:        clientID,
+		ClientID:        clientID.String(),
 		EdgeAddrs:       c.StringSlice("edge"),
 		Region:          c.String("region"),
+		EdgeIPVersion:   edgeIPVersion,
 		HAConnections:   c.Int("ha-connections"),
 		IncidentLookup:  supervisor.NewIncidentLookup(),
 		IsAutoupdated:   c.Bool("is-autoupdated"),
@@ -340,19 +328,40 @@ func prepareTunnelConfig(
 		Observer:        observer,
 		ReportedVersion: info.Version(),
 		// Note TUN-3758 , we use Int because UInt is not supported with altsrc
-		Retries:          uint(c.Int("retries")),
-		RunFromTerminal:  isRunningFromTerminal(),
-		NamedTunnel:      namedTunnel,
-		ClassicTunnel:    classicTunnel,
-		MuxerConfig:      muxerConfig,
-		ProtocolSelector: protocolSelector,
-		EdgeTLSConfigs:   edgeTLSConfigs,
+		Retries:            uint(c.Int("retries")),
+		RunFromTerminal:    isRunningFromTerminal(),
+		NamedTunnel:        namedTunnel,
+		MuxerConfig:        muxerConfig,
+		ProtocolSelector:   protocolSelector,
+		EdgeTLSConfigs:     edgeTLSConfigs,
+		NeedPQ:             needPQ,
+		PQKexIdx:           pqKexIdx,
+		MaxEdgeAddrRetries: uint8(c.Int("max-edge-addr-retries")),
 	}
-	dynamicConfig := &orchestration.Config{
+	packetConfig, err := newPacketConfig(c, log)
+	if err != nil {
+		log.Warn().Err(err).Msg("ICMP proxy feature is disabled")
+	} else {
+		tunnelConfig.PacketConfig = packetConfig
+	}
+	orchestratorConfig := &orchestration.Config{
 		Ingress:            &ingressRules,
-		WarpRoutingEnabled: warpRoutingEnabled,
+		WarpRouting:        ingress.NewWarpRoutingConfig(&cfg.WarpRouting),
+		ConfigurationFlags: parseConfigFlags(c),
 	}
-	return tunnelConfig, dynamicConfig, nil
+	return tunnelConfig, orchestratorConfig, nil
+}
+
+func parseConfigFlags(c *cli.Context) map[string]string {
+	result := make(map[string]string)
+
+	for _, flag := range configFlags {
+		if v := c.String(flag); c.IsSet(flag) && v != "" {
+			result[flag] = v
+		}
+	}
+
+	return result
 }
 
 func gracePeriod(c *cli.Context) (time.Duration, error) {
@@ -363,10 +372,6 @@ func gracePeriod(c *cli.Context) (time.Duration, error) {
 	return period, nil
 }
 
-func isWarpRoutingEnabled(warpConfig config.WarpRoutingConfig, isNamedTunnel bool) bool {
-	return warpConfig.Enabled && isNamedTunnel
-}
-
 func isRunningFromTerminal() bool {
 	return terminal.IsTerminal(int(os.Stdout.Fd()))
 }
@@ -389,3 +394,162 @@ func dedup(slice []string) []string {
 	}
 	return keys
 }
+
+// ParseConfigIPVersion returns the IP version from possible expected values from config
+func parseConfigIPVersion(version string) (v allregions.ConfigIPVersion, err error) {
+	switch version {
+	case "4":
+		v = allregions.IPv4Only
+	case "6":
+		v = allregions.IPv6Only
+	case "auto":
+		v = allregions.Auto
+	default: // unspecified or invalid
+		err = fmt.Errorf("invalid value for edge-ip-version: %s", version)
+	}
+	return
+}
+
+func newPacketConfig(c *cli.Context, logger *zerolog.Logger) (*ingress.GlobalRouterConfig, error) {
+	ipv4Src, err := determineICMPv4Src(c.String("icmpv4-src"), logger)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to determine IPv4 source address for ICMP proxy")
+	}
+	logger.Info().Msgf("ICMP proxy will use %s as source for IPv4", ipv4Src)
+
+	ipv6Src, zone, err := determineICMPv6Src(c.String("icmpv6-src"), logger, ipv4Src)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to determine IPv6 source address for ICMP proxy")
+	}
+	if zone != "" {
+		logger.Info().Msgf("ICMP proxy will use %s in zone %s as source for IPv6", ipv6Src, zone)
+	} else {
+		logger.Info().Msgf("ICMP proxy will use %s as source for IPv6", ipv6Src)
+	}
+
+	icmpRouter, err := ingress.NewICMPRouter(ipv4Src, ipv6Src, zone, logger)
+	if err != nil {
+		return nil, err
+	}
+	return &ingress.GlobalRouterConfig{
+		ICMPRouter: icmpRouter,
+		IPv4Src:    ipv4Src,
+		IPv6Src:    ipv6Src,
+		Zone:       zone,
+	}, nil
+}
+
+func determineICMPv4Src(userDefinedSrc string, logger *zerolog.Logger) (netip.Addr, error) {
+	if userDefinedSrc != "" {
+		addr, err := netip.ParseAddr(userDefinedSrc)
+		if err != nil {
+			return netip.Addr{}, err
+		}
+		if addr.Is4() {
+			return addr, nil
+		}
+		return netip.Addr{}, fmt.Errorf("expect IPv4, but %s is IPv6", userDefinedSrc)
+	}
+
+	addr, err := findLocalAddr(net.ParseIP("192.168.0.1"), 53)
+	if err != nil {
+		addr = netip.IPv4Unspecified()
+		logger.Debug().Err(err).Msgf("Failed to determine the IPv4 for this machine. It will use %s to send/listen for ICMPv4 echo", addr)
+	}
+	return addr, nil
+}
+
+type interfaceIP struct {
+	name string
+	ip   net.IP
+}
+
+func determineICMPv6Src(userDefinedSrc string, logger *zerolog.Logger, ipv4Src netip.Addr) (addr netip.Addr, zone string, err error) {
+	if userDefinedSrc != "" {
+		userDefinedIP, zone, _ := strings.Cut(userDefinedSrc, "%")
+		addr, err := netip.ParseAddr(userDefinedIP)
+		if err != nil {
+			return netip.Addr{}, "", err
+		}
+		if addr.Is6() {
+			return addr, zone, nil
+		}
+		return netip.Addr{}, "", fmt.Errorf("expect IPv6, but %s is IPv4", userDefinedSrc)
+	}
+
+	// Loop through all the interfaces, the preference is
+	// 1. The interface where ipv4Src is in
+	// 2. Interface with IPv6 address
+	// 3. Unspecified interface
+
+	interfaces, err := net.Interfaces()
+	if err != nil {
+		return netip.IPv6Unspecified(), "", nil
+	}
+
+	interfacesWithIPv6 := make([]interfaceIP, 0)
+	for _, interf := range interfaces {
+		interfaceAddrs, err := interf.Addrs()
+		if err != nil {
+			continue
+		}
+
+		foundIPv4SrcInterface := false
+		for _, interfaceAddr := range interfaceAddrs {
+			if ipnet, ok := interfaceAddr.(*net.IPNet); ok {
+				ip := ipnet.IP
+				if ip.Equal(ipv4Src.AsSlice()) {
+					foundIPv4SrcInterface = true
+				}
+				if ip.To4() == nil {
+					interfacesWithIPv6 = append(interfacesWithIPv6, interfaceIP{
+						name: interf.Name,
+						ip:   ip,
+					})
+				}
+			}
+		}
+		// Found the interface of ipv4Src. Loop through the addresses to see if there is an IPv6
+		if foundIPv4SrcInterface {
+			for _, interfaceAddr := range interfaceAddrs {
+				if ipnet, ok := interfaceAddr.(*net.IPNet); ok {
+					ip := ipnet.IP
+					if ip.To4() == nil {
+						addr, err := netip.ParseAddr(ip.String())
+						if err == nil {
+							return addr, interf.Name, nil
+						}
+					}
+				}
+			}
+		}
+	}
+
+	for _, interf := range interfacesWithIPv6 {
+		addr, err := netip.ParseAddr(interf.ip.String())
+		if err == nil {
+			return addr, interf.name, nil
+		}
+	}
+	logger.Debug().Err(err).Msgf("Failed to determine the IPv6 for this machine. It will use %s to send/listen for ICMPv6 echo", netip.IPv6Unspecified())
+
+	return netip.IPv6Unspecified(), "", nil
+}
+
+// FindLocalAddr tries to dial UDP and returns the local address picked by the OS
+func findLocalAddr(dst net.IP, port int) (netip.Addr, error) {
+	udpConn, err := net.DialUDP("udp", nil, &net.UDPAddr{
+		IP:   dst,
+		Port: port,
+	})
+	if err != nil {
+		return netip.Addr{}, err
+	}
+	defer udpConn.Close()
+	localAddrPort, err := netip.ParseAddrPort(udpConn.LocalAddr().String())
+	if err != nil {
+		return netip.Addr{}, err
+	}
+	localAddr := localAddrPort.Addr()
+	return localAddr, nil
+}

cmd/cloudflared/tunnel/fips.go

@@ -0,0 +1,3 @@
+package tunnel
+
+var FipsEnabled bool

cmd/cloudflared/tunnel/quick_tunnel.go

@@ -78,7 +78,6 @@ func RunQuickTunnel(sc *subcommandContext) error {
 		buildInfo,
 		&connection.NamedTunnelProperties{Credentials: credentials, QuickTunnelUrl: data.Result.Hostname},
 		sc.log,
-		sc.isUIEnabled,
 	)
 }
 

cmd/cloudflared/tunnel/subcommand_context.go

@@ -31,10 +31,9 @@ func (e errInvalidJSONCredential) Error() string {
 // subcommandContext carries structs shared between subcommands, to reduce number of arguments needed to
 // pass between subcommands, and make sure they are only initialized once
 type subcommandContext struct {
-	c           *cli.Context
-	log         *zerolog.Logger
-	isUIEnabled bool
-	fs          fileSystem
+	c   *cli.Context
+	log *zerolog.Logger
+	fs  fileSystem
 
 	// These fields should be accessed using their respective Getter
 	tunnelstoreClient cfapi.Client
@@ -42,16 +41,10 @@ type subcommandContext struct {
 }
 
 func newSubcommandContext(c *cli.Context) (*subcommandContext, error) {
-	isUIEnabled := c.IsSet(uiFlag) && c.String("name") != ""
-
-	// If UI is enabled, terminal log output should be disabled -- log should be written into a UI log window instead
-	log := logger.CreateLoggerFromContext(c, isUIEnabled)
-
 	return &subcommandContext{
-		c:           c,
-		log:         log,
-		isUIEnabled: isUIEnabled,
-		fs:          realFileSystem{},
+		c:   c,
+		log: logger.CreateLoggerFromContext(c, logger.EnableTerminalLog),
+		fs:  realFileSystem{},
 	}, nil
 }
 
@@ -81,7 +74,7 @@ func (sc *subcommandContext) client() (cfapi.Client, error) {
 		sc.c.String("api-url"),
 		credential.cert.AccountID,
 		credential.cert.ZoneID,
-		credential.cert.ServiceKey,
+		credential.cert.APIToken,
 		userAgent,
 		sc.log,
 	)
@@ -312,7 +305,6 @@ func (sc *subcommandContext) runWithCredentials(credentials connection.Credentia
 		buildInfo,
 		&connection.NamedTunnelProperties{Credentials: credentials},
 		sc.log,
-		sc.isUIEnabled,
 	)
 }
 

cmd/cloudflared/tunnel/subcommand_context_test.go

@@ -35,7 +35,6 @@ func Test_subcommandContext_findCredentials(t *testing.T) {
 	type fields struct {
 		c                 *cli.Context
 		log               *zerolog.Logger
-		isUIEnabled       bool
 		fs                fileSystem
 		tunnelstoreClient cfapi.Client
 		userCredential    *userCredential
@@ -168,7 +167,6 @@ func Test_subcommandContext_findCredentials(t *testing.T) {
 			sc := &subcommandContext{
 				c:                 tt.fields.c,
 				log:               tt.fields.log,
-				isUIEnabled:       tt.fields.isUIEnabled,
 				fs:                tt.fields.fs,
 				tunnelstoreClient: tt.fields.tunnelstoreClient,
 				userCredential:    tt.fields.userCredential,
@@ -307,7 +305,6 @@ func Test_subcommandContext_Delete(t *testing.T) {
 			sc := &subcommandContext{
 				c:                 tt.fields.c,
 				log:               tt.fields.log,
-				isUIEnabled:       tt.fields.isUIEnabled,
 				fs:                tt.fields.fs,
 				tunnelstoreClient: tt.fields.tunnelstoreClient,
 				userCredential:    tt.fields.userCredential,

cmd/cloudflared/tunnel/subcommand_context_vnets.go

@@ -23,12 +23,12 @@ func (sc *subcommandContext) listVirtualNetworks(filter *cfapi.VnetFilter) ([]*c
 	return client.ListVirtualNetworks(filter)
 }
 
-func (sc *subcommandContext) deleteVirtualNetwork(vnetId uuid.UUID) error {
+func (sc *subcommandContext) deleteVirtualNetwork(vnetId uuid.UUID, force bool) error {
 	client, err := sc.client()
 	if err != nil {
 		return errors.Wrap(err, noClientMsg)
 	}
-	return client.DeleteVirtualNetwork(vnetId)
+	return client.DeleteVirtualNetwork(vnetId, force)
 }
 
 func (sc *subcommandContext) updateVirtualNetwork(vnetId uuid.UUID, updates cfapi.UpdateVirtualNetwork) error {

cmd/cloudflared/tunnel/subcommands.go

@@ -20,7 +20,7 @@ import (
 	"github.com/urfave/cli/v2"
 	"github.com/urfave/cli/v2/altsrc"
 	"golang.org/x/net/idna"
-	yaml "gopkg.in/yaml.v2"
+	yaml "gopkg.in/yaml.v3"
 
 	"github.com/cloudflare/cloudflared/cfapi"
 	"github.com/cloudflare/cloudflared/cmd/cloudflared/cliutil"
@@ -140,6 +140,13 @@ var (
 		EnvVars: []string{"TUNNEL_TRANSPORT_PROTOCOL"},
 		Hidden:  true,
 	})
+	postQuantumFlag = altsrc.NewBoolFlag(&cli.BoolFlag{
+		Name:    "post-quantum",
+		Usage:   "When given creates an experimental post-quantum secure tunnel",
+		Aliases: []string{"pq"},
+		EnvVars: []string{"TUNNEL_POST_QUANTUM"},
+		Hidden:  FipsEnabled,
+	})
 	sortInfoByFlag = &cli.StringFlag{
 		Name:    "sort-by",
 		Value:   "createdAt",
@@ -169,6 +176,16 @@ var (
 		Usage:   "Base64 encoded secret to set for the tunnel. The decoded secret must be at least 32 bytes long. If not specified, a random 32-byte secret will be generated.",
 		EnvVars: []string{"TUNNEL_CREATE_SECRET"},
 	}
+	icmpv4SrcFlag = &cli.StringFlag{
+		Name:    "icmpv4-src",
+		Usage:   "Source address to send/receive ICMPv4 messages. If not provided cloudflared will dial a local address to determine the source IP or fallback to 0.0.0.0.",
+		EnvVars: []string{"TUNNEL_ICMPV4_SRC"},
+	}
+	icmpv6SrcFlag = &cli.StringFlag{
+		Name:    "icmpv6-src",
+		Usage:   "Source address and the interface name to send/receive ICMPv6 messages. If not provided cloudflared will dial a local address to determine the source IP or fallback to ::.",
+		EnvVars: []string{"TUNNEL_ICMPV6_SRC"},
+	}
 )
 
 func buildCreateCommand() *cli.Command {
@@ -602,9 +619,12 @@ func buildRunCommand() *cli.Command {
 		forceFlag,
 		credentialsFileFlag,
 		credentialsContentsFlag,
+		postQuantumFlag,
 		selectProtocolFlag,
 		featuresFlag,
 		tunnelTokenFlag,
+		icmpv4SrcFlag,
+		icmpv6SrcFlag,
 	}
 	flags = append(flags, configureProxyFlags(false)...)
 	return &cli.Command{
@@ -763,7 +783,7 @@ func tokenCommand(c *cli.Context) error {
 		return err
 	}
 
-	fmt.Printf("%s", encodedToken)
+	fmt.Println(encodedToken)
 	return nil
 }
 
@@ -801,7 +821,7 @@ Further information about managing Cloudflare WARP traffic to your tunnel is ava
 				Name:        "lb",
 				Action:      cliutil.ConfiguredAction(routeLbCommand),
 				Usage:       "Use this tunnel as a load balancer origin, creating pool and load balancer if necessary",
-				UsageText:   "cloudflared tunnel route dns [TUNNEL] [HOSTNAME] [LB-POOL]",
+				UsageText:   "cloudflared tunnel route lb [TUNNEL] [HOSTNAME] [LB-POOL-NAME]",
 				Description: `Creates Load Balancer with an origin pool that points to the tunnel.`,
 			},
 			buildRouteIPSubcommand(),

cmd/cloudflared/tunnel/vnets_subcommands.go

@@ -33,6 +33,12 @@ var (
 		Aliases: []string{"c"},
 		Usage:   "A new comment describing the purpose of the virtual network.",
 	}
+	vnetForceDeleteFlag = &cli.BoolFlag{
+		Name:    "force",
+		Aliases: []string{"f"},
+		Usage: "Force the deletion of the virtual network even if it is being relied upon by other resources. Those" +
+			"resources will either be deleted (e.g. IP Routes) or moved to the current default virutal network.",
+	}
 )
 
 func buildVirtualNetworkSubcommand(hidden bool) *cli.Command {
@@ -82,6 +88,7 @@ be the current default.`,
 				UsageText: "cloudflared tunnel [--config FILEPATH] network delete VIRTUAL_NETWORK",
 				Description: `Deletes the virtual network (given its ID or name). This is only possible if that virtual network is unused. 
 A virtual network may be used by IP routes or by WARP devices.`,
+				Flags:  []cli.Flag{vnetForceDeleteFlag},
 				Hidden: hidden,
 			},
 			{
@@ -188,7 +195,7 @@ func deleteVirtualNetworkCommand(c *cli.Context) error {
 	if err != nil {
 		return err
 	}
-	if c.NArg() != 1 {
+	if c.NArg() < 1 {
 		return errors.New("You must supply exactly one argument, either the ID or name of the virtual network to delete")
 	}
 
@@ -198,7 +205,12 @@ func deleteVirtualNetworkCommand(c *cli.Context) error {
 		return err
 	}
 
-	if err := sc.deleteVirtualNetwork(vnetId); err != nil {
+	forceDelete := false
+	if c.IsSet(vnetForceDeleteFlag.Name) {
+		forceDelete = c.Bool(vnetForceDeleteFlag.Name)
+	}
+
+	if err := sc.deleteVirtualNetwork(vnetId, forceDelete); err != nil {
 		return errors.Wrap(err, "API error")
 	}
 	fmt.Printf("Successfully deleted virtual network '%s'\n", input)

cmd/cloudflared/ui/launch_ui.go

@@ -1,223 +0,0 @@
-package ui
-
-import (
-	"context"
-	"fmt"
-	"strings"
-
-	"github.com/gdamore/tcell"
-	"github.com/rivo/tview"
-	"github.com/rs/zerolog"
-
-	"github.com/cloudflare/cloudflared/connection"
-	"github.com/cloudflare/cloudflared/ingress"
-)
-
-type connState struct {
-	location string
-}
-
-type uiModel struct {
-	version       string
-	edgeURL       string
-	metricsURL    string
-	localServices []string
-	connections   []connState
-}
-
-type palette struct {
-	url          string
-	connected    string
-	defaultText  string
-	disconnected string
-	reconnecting string
-	unregistered string
-}
-
-func NewUIModel(version, hostname, metricsURL string, ing *ingress.Ingress, haConnections int) *uiModel {
-	localServices := make([]string, len(ing.Rules))
-	for i, rule := range ing.Rules {
-		localServices[i] = rule.Service.String()
-	}
-	return &uiModel{
-		version:       version,
-		edgeURL:       hostname,
-		metricsURL:    metricsURL,
-		localServices: localServices,
-		connections:   make([]connState, haConnections),
-	}
-}
-
-func (data *uiModel) Launch(
-	ctx context.Context,
-	log, transportLog *zerolog.Logger,
-) connection.EventSink {
-	// Configure the logger to stream logs into the textview
-
-	// Add TextView as a group to write output to
-	logTextView := NewDynamicColorTextView()
-	// TODO: Format log for UI
-	//log.Add(logTextView, logger.NewUIFormatter(time.RFC3339), logLevels...)
-	//transportLog.Add(logTextView, logger.NewUIFormatter(time.RFC3339), logLevels...)
-
-	// Construct the UI
-	palette := palette{
-		url:          "lightblue",
-		connected:    "lime",
-		defaultText:  "white",
-		disconnected: "red",
-		reconnecting: "orange",
-		unregistered: "orange",
-	}
-
-	app := tview.NewApplication()
-
-	grid := tview.NewGrid().SetGap(1, 0)
-	frame := tview.NewFrame(grid)
-	header := fmt.Sprintf("cloudflared [::b]%s", data.version)
-
-	frame.AddText(header, true, tview.AlignLeft, tcell.ColorWhite)
-
-	// Create table to store connection info and status
-	connTable := tview.NewTable()
-	// SetColumns takes a value for each column, representing the size of the column
-	// Numbers <= 0 represent proportional widths and positive numbers represent absolute widths
-	grid.SetColumns(20, 0)
-
-	// SetRows takes a value for each row, representing the size of the row
-	grid.SetRows(1, 1, len(data.connections), 1, 0)
-
-	// AddItem takes a primitive tview type, row, column, rowSpan, columnSpan, minGridHeight, minGridWidth, and focus
-	grid.AddItem(tview.NewTextView().SetText("Tunnel:"), 0, 0, 1, 1, 0, 0, false)
-	grid.AddItem(tview.NewTextView().SetText("Status:"), 1, 0, 1, 1, 0, 0, false)
-	grid.AddItem(tview.NewTextView().SetText("Connections:"), 2, 0, 1, 1, 0, 0, false)
-
-	grid.AddItem(tview.NewTextView().SetText("Metrics:"), 3, 0, 1, 1, 0, 0, false)
-
-	tunnelHostText := tview.NewTextView().SetText(data.edgeURL)
-
-	grid.AddItem(tunnelHostText, 0, 1, 1, 1, 0, 0, false)
-	status := fmt.Sprintf("[%s]\u2022[%s] Proxying to [%s::b]%s", palette.connected, palette.defaultText, palette.url, strings.Join(data.localServices, ", "))
-	grid.AddItem(NewDynamicColorTextView().SetText(status), 1, 1, 1, 1, 0, 0, false)
-
-	grid.AddItem(connTable, 2, 1, 1, 1, 0, 0, false)
-
-	grid.AddItem(NewDynamicColorTextView().SetText(fmt.Sprintf("Metrics at [%s::b]http://%s/metrics", palette.url, data.metricsURL)), 3, 1, 1, 1, 0, 0, false)
-
-	// Add TextView to stream logs
-	// Logs are displayed in a new grid so a border can be set around them
-	logGrid := tview.NewGrid().SetBorders(true).AddItem(logTextView.SetChangedFunc(handleNewText(app, logTextView)), 0, 0, 5, 2, 0, 0, false)
-	// LogFrame holds the Logs header as well as the grid with the textView for streamed logs
-	logFrame := tview.NewFrame(logGrid).AddText("[::b]Logs:[::-]", true, tview.AlignLeft, tcell.ColorWhite).SetBorders(0, 0, 0, 0, 0, 0)
-	// Footer for log frame
-	logFrame.AddText("[::d]Use Ctrl+C to exit[::-]", false, tview.AlignRight, tcell.ColorWhite)
-	grid.AddItem(logFrame, 4, 0, 5, 2, 0, 0, false)
-
-	go func() {
-		<-ctx.Done()
-		app.Stop()
-		return
-	}()
-
-	go func() {
-		if err := app.SetRoot(frame, true).Run(); err != nil {
-			log.Error().Msgf("Error launching UI: %s", err)
-		}
-	}()
-
-	return connection.EventSinkFunc(func(event connection.Event) {
-		switch event.EventType {
-		case connection.Connected:
-			data.setConnTableCell(event, connTable, palette)
-		case connection.Disconnected, connection.Reconnecting, connection.Unregistering:
-			data.changeConnStatus(event, connTable, log, palette)
-		case connection.SetURL:
-			tunnelHostText.SetText(event.URL)
-			data.edgeURL = event.URL
-		case connection.RegisteringTunnel:
-			if data.edgeURL == "" {
-				tunnelHostText.SetText(fmt.Sprintf("Registering tunnel connection %d...", event.Index))
-			}
-		}
-		app.Draw()
-	})
-}
-
-func NewDynamicColorTextView() *tview.TextView {
-	return tview.NewTextView().SetDynamicColors(true)
-}
-
-// Re-draws application when new logs are streamed to UI
-func handleNewText(app *tview.Application, logTextView *tview.TextView) func() {
-	return func() {
-		app.Draw()
-		// SetFocus to enable scrolling in textview
-		app.SetFocus(logTextView)
-	}
-}
-
-func (data *uiModel) changeConnStatus(event connection.Event, table *tview.Table, log *zerolog.Logger, palette palette) {
-	index := int(event.Index)
-	// Get connection location and state
-	connState := data.getConnState(index)
-	// Check if connection is already displayed in UI
-	if connState == nil {
-		log.Info().Msg("Connection is not in the UI table")
-		return
-	}
-
-	locationState := event.Location
-
-	if event.EventType == connection.Reconnecting {
-		locationState = "Reconnecting..."
-	}
-
-	connectionNum := index + 1
-	// Get table cell
-	cell := table.GetCell(index, 0)
-	// Change dot color in front of text as well as location state
-	text := newCellText(palette, connectionNum, locationState, event.EventType)
-	cell.SetText(text)
-}
-
-// Return connection location and row in UI table
-func (data *uiModel) getConnState(connID int) *connState {
-	if connID < len(data.connections) {
-		return &data.connections[connID]
-	}
-
-	return nil
-}
-
-func (data *uiModel) setConnTableCell(event connection.Event, table *tview.Table, palette palette) {
-	index := int(event.Index)
-	connectionNum := index + 1
-
-	// Update slice to keep track of connection location and state in UI table
-	data.connections[index].location = event.Location
-
-	// Update text in table cell to show disconnected state
-	text := newCellText(palette, connectionNum, event.Location, event.EventType)
-	cell := tview.NewTableCell(text)
-	table.SetCell(index, 0, cell)
-}
-
-func newCellText(palette palette, connectionNum int, location string, connectedStatus connection.Status) string {
-	// HA connection indicator formatted as: "• #<CONNECTION_INDEX>: <COLO>",
-	//  where the left middle dot's color depends on the status of the connection
-	const connFmtString = "[%s]\u2022[%s] #%d: %s"
-
-	var dotColor string
-	switch connectedStatus {
-	case connection.Connected:
-		dotColor = palette.connected
-	case connection.Disconnected:
-		dotColor = palette.disconnected
-	case connection.Reconnecting:
-		dotColor = palette.reconnecting
-	case connection.Unregistering:
-		dotColor = palette.unregistered
-	}
-
-	return fmt.Sprintf(connFmtString, dotColor, palette.defaultText, connectionNum, location)
-}

component-tests/cli.py

@@ -0,0 +1,95 @@
+import json
+import subprocess
+from time import sleep
+
+from setup import get_config_from_file
+
+SINGLE_CASE_TIMEOUT = 600
+
+class CloudflaredCli:
+    def __init__(self, config, config_path, logger):
+        self.basecmd = [config.cloudflared_binary, "tunnel"]
+        if config_path is not None:
+            self.basecmd += ["--config", str(config_path)]
+        origincert = get_config_from_file()["origincert"]
+        if origincert:
+            self.basecmd += ["--origincert", origincert]
+        self.logger = logger
+
+    def _run_command(self, subcmd, subcmd_name, needs_to_pass=True):
+        cmd = self.basecmd + subcmd
+        # timeout limits the time a subprocess can run. This is useful to guard against running a tunnel when
+        # command/args are in wrong order.
+        result = run_subprocess(cmd, subcmd_name, self.logger, check=needs_to_pass, capture_output=True, timeout=15)
+        return result
+
+    def list_tunnels(self):
+        cmd_args = ["list", "--output", "json"]
+        listed = self._run_command(cmd_args, "list")
+        return json.loads(listed.stdout)
+
+    def get_tunnel_info(self, tunnel_id):
+        info = self._run_command(["info", "--output", "json", tunnel_id], "info")
+        return json.loads(info.stdout)
+
+    def __enter__(self):
+        self.basecmd += ["run"]
+        self.process = subprocess.Popen(self.basecmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        self.logger.info(f"Run cmd {self.basecmd}")
+        return self.process
+
+    def __exit__(self, exc_type, exc_value, exc_traceback):
+        terminate_gracefully(self.process, self.logger, self.basecmd)
+        self.logger.debug(f"{self.basecmd} logs: {self.process.stderr.read()}")
+
+
+def terminate_gracefully(process, logger, cmd):
+    process.terminate()
+    process_terminated = wait_for_terminate(process)
+    if not process_terminated:
+        process.kill()
+        logger.warning(f"{cmd}: cloudflared did not terminate within wait period. Killing process. logs: \
+                stdout: {process.stdout.read()}, stderr: {process.stderr.read()}")
+
+
+def wait_for_terminate(opened_subprocess, attempts=10, poll_interval=1):
+    """
+        wait_for_terminate polls the opened_subprocess every x seconds for a given number of attempts.
+        It returns true if the subprocess was terminated and false if it didn't.
+    """
+    for _ in range(attempts):
+        if _is_process_stopped(opened_subprocess):
+            return True
+        sleep(poll_interval)
+    return False
+
+
+def _is_process_stopped(process):
+    return process.poll() is not None
+
+
+def cert_path():
+    return get_config_from_file()["origincert"]
+
+
+class SubprocessError(Exception):
+    def __init__(self, program, exit_code, cause):
+        self.program = program
+        self.exit_code = exit_code
+        self.cause = cause
+
+
+def run_subprocess(cmd, cmd_name, logger, timeout=SINGLE_CASE_TIMEOUT, **kargs):
+    kargs["timeout"] = timeout
+    try:
+        result = subprocess.run(cmd, **kargs)
+        logger.debug(f"{cmd} log: {result.stdout}", extra={"cmd": cmd_name})
+        return result
+    except subprocess.CalledProcessError as e:
+        err = f"{cmd} return exit code {e.returncode}, stderr" + e.stderr.decode("utf-8")
+        logger.error(err, extra={"cmd": cmd_name, "return_code": e.returncode})
+        raise SubprocessError(cmd[0], e.returncode, e)
+    except subprocess.TimeoutExpired as e:
+        err = f"{cmd} timeout after {e.timeout} seconds, stdout: {e.stdout}, stderr: {e.stderr}"
+        logger.error(err, extra={"cmd": cmd_name, "return_code": "timeout"})
+        raise e

component-tests/constants.py

@@ -1,6 +1,7 @@
 METRICS_PORT = 51000
 MAX_RETRIES = 5
 BACKOFF_SECS = 7
+MAX_LOG_LINES = 50
 
 PROXY_DNS_PORT = 9053
 

component-tests/test_edge_discovery.py

@@ -0,0 +1,165 @@
+import ipaddress
+import socket
+
+import pytest
+
+from constants import protocols
+from cli import CloudflaredCli
+from util import get_tunnel_connector_id, LOGGER, wait_tunnel_ready, write_config
+
+
+class TestEdgeDiscovery:
+    def _extra_config(self, protocol, edge_ip_version):
+        config = {
+            "protocol": protocol,
+        }
+        if edge_ip_version:
+            config["edge-ip-version"] = edge_ip_version
+        return config
+
+    @pytest.mark.parametrize("protocol", protocols())
+    def test_default_only(self, tmp_path, component_tests_config, protocol):
+        """
+        This test runs a tunnel to connect via IPv4-only edge addresses (default is unset "--edge-ip-version 4")
+        """
+        if self.has_ipv6_only():
+            pytest.skip("Host has IPv6 only support and current default is IPv4 only")
+        self.expect_address_connections(
+            tmp_path, component_tests_config, protocol, None, self.expect_ipv4_address)
+
+    @pytest.mark.parametrize("protocol", protocols())
+    def test_ipv4_only(self, tmp_path, component_tests_config, protocol):
+        """
+        This test runs a tunnel to connect via IPv4-only edge addresses
+        """
+        if self.has_ipv6_only():
+            pytest.skip("Host has IPv6 only support")
+        self.expect_address_connections(
+            tmp_path, component_tests_config, protocol, "4", self.expect_ipv4_address)
+
+    @pytest.mark.parametrize("protocol", protocols())
+    def test_ipv6_only(self, tmp_path, component_tests_config, protocol):
+        """
+        This test runs a tunnel to connect via IPv6-only edge addresses
+        """
+        if self.has_ipv4_only():
+            pytest.skip("Host has IPv4 only support")
+        self.expect_address_connections(
+            tmp_path, component_tests_config, protocol, "6", self.expect_ipv6_address)
+
+    @pytest.mark.parametrize("protocol", protocols())
+    def test_auto_ip64(self, tmp_path, component_tests_config, protocol):
+        """
+        This test runs a tunnel to connect via auto with a preference of IPv6 then IPv4 addresses for a dual stack host
+
+        This test also assumes that the host has IPv6 preference.
+        """
+        if not self.has_dual_stack(address_family_preference=socket.AddressFamily.AF_INET6):
+            pytest.skip("Host does not support dual stack with IPv6 preference")
+        self.expect_address_connections(
+            tmp_path, component_tests_config, protocol, "auto", self.expect_ipv6_address)
+
+    @pytest.mark.parametrize("protocol", protocols())
+    def test_auto_ip46(self, tmp_path, component_tests_config, protocol):
+        """
+        This test runs a tunnel to connect via auto with a preference of IPv4 then IPv6 addresses for a dual stack host
+
+        This test also assumes that the host has IPv4 preference.
+        """
+        if not self.has_dual_stack(address_family_preference=socket.AddressFamily.AF_INET):
+            pytest.skip("Host does not support dual stack with IPv4 preference")
+        self.expect_address_connections(
+            tmp_path, component_tests_config, protocol, "auto", self.expect_ipv4_address)
+
+    def expect_address_connections(self, tmp_path, component_tests_config, protocol, edge_ip_version, assert_address_type):
+        config = component_tests_config(
+            self._extra_config(protocol, edge_ip_version))
+        config_path = write_config(tmp_path, config.full_config)
+        LOGGER.debug(config)
+        with CloudflaredCli(config, config_path, LOGGER):
+            wait_tunnel_ready(tunnel_url=config.get_url(),
+                              require_min_connections=4)
+            cfd_cli = CloudflaredCli(config, config_path, LOGGER)
+            tunnel_id = config.get_tunnel_id()
+            info = cfd_cli.get_tunnel_info(tunnel_id)
+            connector_id = get_tunnel_connector_id()
+            connector = next(
+                (c for c in info["conns"] if c["id"] == connector_id), None)
+            assert connector, f"Expected connection info from get tunnel info for the connected instance: {info}"
+            conns = connector["conns"]
+            assert conns == None or len(
+                conns) == 4, f"There should be 4 connections registered: {conns}"
+            for conn in conns:
+                origin_ip = conn["origin_ip"]
+                assert origin_ip, f"No available origin_ip for this connection: {conn}"
+                assert_address_type(origin_ip)
+
+    def expect_ipv4_address(self, address):
+        assert type(ipaddress.ip_address(
+            address)) is ipaddress.IPv4Address, f"Expected connection from origin to be a valid IPv4 address: {address}"
+
+    def expect_ipv6_address(self, address):
+        assert type(ipaddress.ip_address(
+            address)) is ipaddress.IPv6Address, f"Expected connection from origin to be a valid IPv6 address: {address}"
+
+    def get_addresses(self):
+        """
+        Returns a list of addresses for the host.
+        """
+        host_addresses = socket.getaddrinfo(
+            "region1.v2.argotunnel.com", 7844, socket.AF_UNSPEC, socket.SOCK_STREAM)
+        assert len(
+            host_addresses) > 0, "No addresses returned from getaddrinfo"
+        return host_addresses
+
+    def has_dual_stack(self, address_family_preference=None):
+        """
+        Returns true if the host has dual stack support and can optionally check 
+        the provided IP family preference.
+        """
+        dual_stack = not self.has_ipv6_only() and not self.has_ipv4_only()
+        if address_family_preference:
+            address = self.get_addresses()[0]
+            return dual_stack and address[0] == address_family_preference
+
+        return dual_stack
+
+    def has_ipv6_only(self):
+        """
+        Returns True if the host has only IPv6 address support.
+        """
+        return self.attempt_connection(socket.AddressFamily.AF_INET6) and not self.attempt_connection(socket.AddressFamily.AF_INET)
+
+    def has_ipv4_only(self):
+        """
+        Returns True if the host has only IPv4 address support.
+        """
+        return self.attempt_connection(socket.AddressFamily.AF_INET) and not self.attempt_connection(socket.AddressFamily.AF_INET6)
+
+    def attempt_connection(self, address_family):
+        """
+        Returns True if a successful socket connection can be made to the 
+        remote host with the provided address family to validate host support 
+        for the provided address family.
+        """
+        address = None
+        for a in self.get_addresses():
+            if a[0] == address_family:
+                address = a
+                break
+        if address is None:
+            # Couldn't even lookup the address family so we can't connect
+            return False
+        af, socktype, proto, canonname, sockaddr = address
+        s = None
+        try:
+            s = socket.socket(af, socktype, proto)
+        except OSError:
+            return False
+        try:
+            s.connect(sockaddr)
+        except OSError:
+            s.close()
+            return False
+        s.close()
+        return True

component-tests/test_logging.py

@@ -2,6 +2,7 @@
 import json
 import os
 
+from constants import MAX_LOG_LINES
 from util import start_cloudflared, wait_tunnel_ready, send_requests
 
 # Rolling logger rotate log files after 1 MB
@@ -11,14 +12,24 @@ expect_message = "Starting Hello"
 
 
 def assert_log_to_terminal(cloudflared):
-    stderr = cloudflared.stderr.read(1500)
-    assert expect_message.encode() in stderr, f"{stderr} doesn't contain {expect_message}"
+    for _ in range(0, MAX_LOG_LINES):
+        line = cloudflared.stderr.readline()
+        if not line:
+            break
+        if expect_message.encode() in line:
+            return
+    raise Exception(f"terminal log doesn't contain {expect_message}")
 
 
 def assert_log_in_file(file):
     with open(file, "r") as f:
-        log = f.read(2000)
-        assert expect_message in log, f"{log} doesn't contain {expect_message}"
+        for _ in range(0, MAX_LOG_LINES):
+            line = f.readline()
+            if not line:
+                break
+            if expect_message in line:
+                return
+    raise Exception(f"log file doesn't contain {expect_message}")
 
 
 def assert_json_log(file):

component-tests/test_pq.py

@@ -0,0 +1,17 @@
+from util import LOGGER, nofips, start_cloudflared, wait_tunnel_ready
+
+
+@nofips
+class TestPostQuantum:
+    def _extra_config(self):
+        config = {
+            "protocol": "quic",
+        }
+        return config
+
+    def test_post_quantum(self, tmp_path, component_tests_config):
+        config = component_tests_config(self._extra_config())
+        LOGGER.debug(config)
+        with start_cloudflared(tmp_path, config, cfd_args=["run", "--post-quantum"], new_process=True):
+            wait_tunnel_ready(tunnel_url=config.get_url(),
+                              require_min_connections=4)

component-tests/test_proxy_dns.py

@@ -12,18 +12,12 @@ class TestProxyDns:
     def test_proxy_dns_with_named_tunnel(self, tmp_path, component_tests_config):
         run_test_scenario(tmp_path, component_tests_config, CfdModes.NAMED, run_proxy_dns=True)
 
-    def test_proxy_dns_with_classic_tunnel(self, tmp_path, component_tests_config):
-        run_test_scenario(tmp_path, component_tests_config, CfdModes.CLASSIC, run_proxy_dns=True)
-
     def test_proxy_dns_alone(self, tmp_path, component_tests_config):
         run_test_scenario(tmp_path, component_tests_config, CfdModes.PROXY_DNS, run_proxy_dns=True)
 
     def test_named_tunnel_alone(self, tmp_path, component_tests_config):
         run_test_scenario(tmp_path, component_tests_config, CfdModes.NAMED, run_proxy_dns=False)
 
-    def test_classic_tunnel_alone(self, tmp_path, component_tests_config):
-        run_test_scenario(tmp_path, component_tests_config, CfdModes.CLASSIC, run_proxy_dns=False)
-
 
 def run_test_scenario(tmp_path, component_tests_config, cfd_mode, run_proxy_dns):
     expect_proxy_dns = run_proxy_dns
@@ -33,10 +27,6 @@ def run_test_scenario(tmp_path, component_tests_config, cfd_mode, run_proxy_dns)
         expect_tunnel = True
         pre_args = ["tunnel"]
         args = ["run"]
-    elif cfd_mode == CfdModes.CLASSIC:
-        expect_tunnel = True
-        pre_args = []
-        args = []
     elif cfd_mode == CfdModes.PROXY_DNS:
         expect_proxy_dns = True
         pre_args = []

component-tests/test_reconnect.py

@@ -33,13 +33,6 @@ class TestReconnect:
             # Repeat the test multiple times because some issues only occur after multiple reconnects
             self.assert_reconnect(config, cloudflared, 5)
 
-    def test_classic_reconnect(self, tmp_path, component_tests_config):
-        extra_config = copy.copy(self.extra_config)
-        extra_config["hello-world"] = True
-        config = component_tests_config(additional_config=extra_config, cfd_mode=CfdModes.CLASSIC)
-        with start_cloudflared(tmp_path, config, cfd_args=[], new_process=True, allow_input=True, capture_output=False) as cloudflared:
-            self.assert_reconnect(config, cloudflared, 1)
-
     def send_reconnect(self, cloudflared, secs):
         # Although it is recommended to use the Popen.communicate method, we cannot
         # use it because it blocks on reading stdout and stderr until EOF is reached
@@ -47,17 +40,12 @@ class TestReconnect:
         cloudflared.stdin.flush()
 
     def assert_reconnect(self, config, cloudflared, repeat):
-        wait_tunnel_ready(tunnel_url=config.get_url(), require_min_connections=self.default_ha_conns)
+        wait_tunnel_ready(tunnel_url=config.get_url(),
+                          require_min_connections=self.default_ha_conns)
         for _ in range(repeat):
-            for i in range(self.default_ha_conns):
+            for _ in range(self.default_ha_conns):
                 self.send_reconnect(cloudflared, self.default_reconnect_secs)
-                expect_connections = self.default_ha_conns-i-1
-                if expect_connections > 0:
-                    # Don't check if tunnel returns 200 here because there is a race condition between wait_tunnel_ready
-                    # retrying to get 200 response and reconnecting
-                    wait_tunnel_ready(require_min_connections=expect_connections)
-                else:
-                    check_tunnel_not_connected()
-
+            check_tunnel_not_connected()
             sleep(self.default_reconnect_secs * 2)
-            wait_tunnel_ready(tunnel_url=config.get_url(), require_min_connections=self.default_ha_conns)
+            wait_tunnel_ready(tunnel_url=config.get_url(),
+                              require_min_connections=self.default_ha_conns)

component-tests/test_service.py

@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 import os
 import pathlib
-import platform
 import subprocess
 from contextlib import contextmanager
 from pathlib import Path
@@ -10,12 +9,7 @@ import pytest
 
 import test_logging
 from conftest import CfdModes
-from util import start_cloudflared, wait_tunnel_ready, write_config
-
-
-def select_platform(plat):
-    return pytest.mark.skipif(
-        platform.system() != plat, reason=f"Only runs on {plat}")
+from util import select_platform, start_cloudflared, wait_tunnel_ready, write_config
 
 
 def default_config_dir():

component-tests/util.py

@@ -1,9 +1,12 @@
 import logging
 import os
+import platform
 import subprocess
 from contextlib import contextmanager
 from time import sleep
 
+import pytest
+
 import requests
 import yaml
 from retrying import retry
@@ -13,6 +16,17 @@ from constants import METRICS_PORT, MAX_RETRIES, BACKOFF_SECS
 LOGGER = logging.getLogger(__name__)
 
 
+def select_platform(plat):
+    return pytest.mark.skipif(
+        platform.system() != plat, reason=f"Only runs on {plat}")
+
+def fips_enabled():
+    env_fips = os.getenv("COMPONENT_TESTS_FIPS")
+    return env_fips is not None and env_fips != "0"
+
+nofips = pytest.mark.skipif(
+        fips_enabled(), reason=f"Only runs without FIPS (COMPONENT_TESTS_FIPS=0)")
+
 def write_config(directory, config):
     config_path = directory / "config.yml"
     with open(config_path, 'w') as outfile:
@@ -54,13 +68,15 @@ def cloudflared_cmd(config, config_path, cfd_args, cfd_pre_args, root):
 def run_cloudflared_background(cmd, allow_input, capture_output):
     output = subprocess.PIPE if capture_output else subprocess.DEVNULL
     stdin = subprocess.PIPE if allow_input else None
+    cfd = None
     try:
         cfd = subprocess.Popen(cmd, stdin=stdin, stdout=output, stderr=output)
         yield cfd
     finally:
-        cfd.terminate()
-        if capture_output:
-            LOGGER.info(f"cloudflared log: {cfd.stderr.read()}")
+        if cfd:
+            cfd.terminate()
+            if capture_output:
+                LOGGER.info(f"cloudflared log: {cfd.stderr.read()}")
 
 
 def wait_tunnel_ready(tunnel_url=None, require_min_connections=1, cfd_logs=None):
@@ -99,18 +115,31 @@ def _log_cloudflared_logs(cfd_logs):
             LOGGER.warning(line)
 
 
-@retry(stop_max_attempt_number=MAX_RETRIES * BACKOFF_SECS, wait_fixed=1000)
+@retry(stop_max_attempt_number=MAX_RETRIES, wait_fixed=BACKOFF_SECS * 1000)
 def check_tunnel_not_connected():
     url = f'http://localhost:{METRICS_PORT}/ready'
 
     try:
-        resp = requests.get(url, timeout=1)
+        resp = requests.get(url, timeout=BACKOFF_SECS)
         assert resp.status_code == 503, f"Expect {url} returns 503, got {resp.status_code}"
+        assert resp.json()[
+            "readyConnections"] == 0, "Expected all connections to be terminated (pending reconnect)"
     # cloudflared might already terminate
     except requests.exceptions.ConnectionError as e:
         LOGGER.warning(f"Failed to connect to {url}, error: {e}")
 
 
+def get_tunnel_connector_id():
+    url = f'http://localhost:{METRICS_PORT}/ready'
+
+    try:
+        resp = requests.get(url, timeout=1)
+        return resp.json()["connectorId"]
+    # cloudflared might already terminated
+    except requests.exceptions.ConnectionError as e:
+        LOGGER.warning(f"Failed to connect to {url}, error: {e}")
+
+
 # In some cases we don't need to check response status, such as when sending batch requests to generate logs
 def send_requests(url, count, require_ok=True):
     errors = 0

config/configuration.go

@@ -15,7 +15,7 @@ import (
 	"github.com/pkg/errors"
 	"github.com/rs/zerolog"
 	"github.com/urfave/cli/v2"
-	yaml "gopkg.in/yaml.v2"
+	yaml "gopkg.in/yaml.v3"
 
 	"github.com/cloudflare/cloudflared/validation"
 )
@@ -177,9 +177,9 @@ func ValidateUrl(c *cli.Context, allowURLFromArgs bool) (*url.URL, error) {
 }
 
 type UnvalidatedIngressRule struct {
-	Hostname      string              `json:"hostname"`
-	Path          string              `json:"path"`
-	Service       string              `json:"service"`
+	Hostname      string              `json:"hostname,omitempty"`
+	Path          string              `json:"path,omitempty"`
+	Service       string              `json:"service,omitempty"`
 	OriginRequest OriginRequestConfig `yaml:"originRequest" json:"originRequest"`
 }
 
@@ -192,41 +192,56 @@ type UnvalidatedIngressRule struct {
 // - To specify a time.Duration in json, use int64 of the nanoseconds
 type OriginRequestConfig struct {
 	// HTTP proxy timeout for establishing a new connection
-	ConnectTimeout *CustomDuration `yaml:"connectTimeout" json:"connectTimeout"`
+	ConnectTimeout *CustomDuration `yaml:"connectTimeout" json:"connectTimeout,omitempty"`
 	// HTTP proxy timeout for completing a TLS handshake
-	TLSTimeout *CustomDuration `yaml:"tlsTimeout" json:"tlsTimeout"`
+	TLSTimeout *CustomDuration `yaml:"tlsTimeout" json:"tlsTimeout,omitempty"`
 	// HTTP proxy TCP keepalive duration
-	TCPKeepAlive *CustomDuration `yaml:"tcpKeepAlive" json:"tcpKeepAlive"`
+	TCPKeepAlive *CustomDuration `yaml:"tcpKeepAlive" json:"tcpKeepAlive,omitempty"`
 	// HTTP proxy should disable "happy eyeballs" for IPv4/v6 fallback
-	NoHappyEyeballs *bool `yaml:"noHappyEyeballs" json:"noHappyEyeballs"`
+	NoHappyEyeballs *bool `yaml:"noHappyEyeballs" json:"noHappyEyeballs,omitempty"`
 	// HTTP proxy maximum keepalive connection pool size
-	KeepAliveConnections *int `yaml:"keepAliveConnections" json:"keepAliveConnections"`
+	KeepAliveConnections *int `yaml:"keepAliveConnections" json:"keepAliveConnections,omitempty"`
 	// HTTP proxy timeout for closing an idle connection
-	KeepAliveTimeout *CustomDuration `yaml:"keepAliveTimeout" json:"keepAliveTimeout"`
+	KeepAliveTimeout *CustomDuration `yaml:"keepAliveTimeout" json:"keepAliveTimeout,omitempty"`
 	// Sets the HTTP Host header for the local webserver.
-	HTTPHostHeader *string `yaml:"httpHostHeader" json:"httpHostHeader"`
+	HTTPHostHeader *string `yaml:"httpHostHeader" json:"httpHostHeader,omitempty"`
 	// Hostname on the origin server certificate.
-	OriginServerName *string `yaml:"originServerName" json:"originServerName"`
+	OriginServerName *string `yaml:"originServerName" json:"originServerName,omitempty"`
 	// Path to the CA for the certificate of your origin.
 	// This option should be used only if your certificate is not signed by Cloudflare.
-	CAPool *string `yaml:"caPool" json:"caPool"`
+	CAPool *string `yaml:"caPool" json:"caPool,omitempty"`
 	// Disables TLS verification of the certificate presented by your origin.
 	// Will allow any certificate from the origin to be accepted.
 	// Note: The connection from your machine to Cloudflare's Edge is still encrypted.
-	NoTLSVerify *bool `yaml:"noTLSVerify" json:"noTLSVerify"`
+	NoTLSVerify *bool `yaml:"noTLSVerify" json:"noTLSVerify,omitempty"`
 	// Disables chunked transfer encoding.
 	// Useful if you are running a WSGI server.
-	DisableChunkedEncoding *bool `yaml:"disableChunkedEncoding" json:"disableChunkedEncoding"`
+	DisableChunkedEncoding *bool `yaml:"disableChunkedEncoding" json:"disableChunkedEncoding,omitempty"`
 	// Runs as jump host
-	BastionMode *bool `yaml:"bastionMode" json:"bastionMode"`
+	BastionMode *bool `yaml:"bastionMode" json:"bastionMode,omitempty"`
 	// Listen address for the proxy.
-	ProxyAddress *string `yaml:"proxyAddress" json:"proxyAddress"`
+	ProxyAddress *string `yaml:"proxyAddress" json:"proxyAddress,omitempty"`
 	// Listen port for the proxy.
-	ProxyPort *uint `yaml:"proxyPort" json:"proxyPort"`
+	ProxyPort *uint `yaml:"proxyPort" json:"proxyPort,omitempty"`
 	// Valid options are 'socks' or empty.
-	ProxyType *string `yaml:"proxyType" json:"proxyType"`
+	ProxyType *string `yaml:"proxyType" json:"proxyType,omitempty"`
 	// IP rules for the proxy service
-	IPRules []IngressIPRule `yaml:"ipRules" json:"ipRules"`
+	IPRules []IngressIPRule `yaml:"ipRules" json:"ipRules,omitempty"`
+	// Attempt to connect to origin with HTTP/2
+	Http2Origin *bool `yaml:"http2Origin" json:"http2Origin,omitempty"`
+	// Access holds all access related configs
+	Access *AccessConfig `yaml:"access" json:"access,omitempty"`
+}
+
+type AccessConfig struct {
+	// Required when set to true will fail every request that does not arrive through an access authenticated endpoint.
+	Required bool `yaml:"required" json:"required,omitempty"`
+
+	// TeamName is the organization team name to get the public key certificates for.
+	TeamName string `yaml:"teamName" json:"teamName"`
+
+	// AudTag is the AudTag to verify access JWT against.
+	AudTag []string `yaml:"audTag" json:"audTag"`
 }
 
 type IngressIPRule struct {
@@ -244,7 +259,9 @@ type Configuration struct {
 }
 
 type WarpRoutingConfig struct {
-	Enabled bool `yaml:"enabled" json:"enabled"`
+	Enabled        bool            `yaml:"enabled" json:"enabled"`
+	ConnectTimeout *CustomDuration `yaml:"connectTimeout" json:"connectTimeout,omitempty"`
+	TCPKeepAlive   *CustomDuration `yaml:"tcpKeepAlive" json:"tcpKeepAlive,omitempty"`
 }
 
 type configFileSettings struct {
@@ -374,7 +391,8 @@ func ReadConfigFile(c *cli.Context, log *zerolog.Logger) (settings *configFileSe
 	log.Debug().Msgf("Loading configuration from %s", configFile)
 	file, err := os.Open(configFile)
 	if err != nil {
-		if os.IsNotExist(err) {
+		// If does not exist and config file was not specificly specified then return ErrNoConfigFile found.
+		if os.IsNotExist(err) && !c.IsSet("config") {
 			err = ErrNoConfigFile
 		}
 		return nil, "", err
@@ -392,7 +410,7 @@ func ReadConfigFile(c *cli.Context, log *zerolog.Logger) (settings *configFileSe
 	// Parse it again, with strict mode, to find warnings.
 	if file, err := os.Open(configFile); err == nil {
 		decoder := yaml.NewDecoder(file)
-		decoder.SetStrict(true)
+		decoder.KnownFields(true)
 		var unusedConfig configFileSettings
 		if err := decoder.Decode(&unusedConfig); err != nil {
 			warnings = err.Error()

config/configuration_test.go

@@ -7,7 +7,7 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	yaml "gopkg.in/yaml.v2"
+	yaml "gopkg.in/yaml.v3"
 )
 
 func TestConfigFileSettings(t *testing.T) {
@@ -23,7 +23,9 @@ func TestConfigFileSettings(t *testing.T) {
 			Service:  "https://localhost:8001",
 		}
 		warpRouting = WarpRoutingConfig{
-			Enabled: true,
+			Enabled:        true,
+			ConnectTimeout: &CustomDuration{Duration: 2 * time.Second},
+			TCPKeepAlive:   &CustomDuration{Duration: 10 * time.Second},
 		}
 	)
 	rawYAML := `
@@ -48,6 +50,9 @@ ingress:
    service: https://localhost:8001
 warp-routing: 
   enabled: true
+  connectTimeout: 2s
+  tcpKeepAlive: 10s
+
 retries: 5
 grace-period: 30s
 percentage: 3.14
@@ -111,7 +116,7 @@ counters:
 
 }
 
-var rawConfig = []byte(`
+var rawJsonConfig = []byte(`
 {
 	"connectTimeout": 10,
 	"tlsTimeout": 30,
@@ -139,7 +144,8 @@ var rawConfig = []byte(`
 			"ports": [443, 4443],
 			"allow": true
 		}
-	]
+	],
+	"http2Origin": true
 }
 `)
 
@@ -148,15 +154,14 @@ func TestMarshalUnmarshalOriginRequest(t *testing.T) {
 		name          string
 		marshalFunc   func(in interface{}) (out []byte, err error)
 		unMarshalFunc func(in []byte, out interface{}) (err error)
-		baseUnit      time.Duration
 	}{
-		{"json", json.Marshal, json.Unmarshal, time.Second},
-		{"yaml", yaml.Marshal, yaml.Unmarshal, time.Nanosecond},
+		{"json", json.Marshal, json.Unmarshal},
+		{"yaml", yaml.Marshal, yaml.Unmarshal},
 	}
 
 	for _, tc := range testCases {
 		t.Run(tc.name, func(t *testing.T) {
-			assertConfig(t, tc.marshalFunc, tc.unMarshalFunc, tc.baseUnit)
+			assertConfig(t, tc.marshalFunc, tc.unMarshalFunc)
 		})
 	}
 }
@@ -165,18 +170,17 @@ func assertConfig(
 	t *testing.T,
 	marshalFunc func(in interface{}) (out []byte, err error),
 	unMarshalFunc func(in []byte, out interface{}) (err error),
-	baseUnit time.Duration,
 ) {
 	var config OriginRequestConfig
 	var config2 OriginRequestConfig
 
-	assert.NoError(t, unMarshalFunc(rawConfig, &config))
+	assert.NoError(t, json.Unmarshal(rawJsonConfig, &config))
 
-	assert.Equal(t, baseUnit*10, config.ConnectTimeout.Duration)
-	assert.Equal(t, baseUnit*30, config.TLSTimeout.Duration)
-	assert.Equal(t, baseUnit*30, config.TCPKeepAlive.Duration)
+	assert.Equal(t, time.Second*10, config.ConnectTimeout.Duration)
+	assert.Equal(t, time.Second*30, config.TLSTimeout.Duration)
+	assert.Equal(t, time.Second*30, config.TCPKeepAlive.Duration)
 	assert.Equal(t, true, *config.NoHappyEyeballs)
-	assert.Equal(t, baseUnit*60, config.KeepAliveTimeout.Duration)
+	assert.Equal(t, time.Second*60, config.KeepAliveTimeout.Duration)
 	assert.Equal(t, 10, *config.KeepAliveConnections)
 	assert.Equal(t, "app.tunnel.com", *config.HTTPHostHeader)
 	assert.Equal(t, "app.tunnel.com", *config.OriginServerName)
@@ -188,6 +192,7 @@ func assertConfig(
 	assert.Equal(t, true, *config.NoTLSVerify)
 	assert.Equal(t, uint(9000), *config.ProxyPort)
 	assert.Equal(t, "socks", *config.ProxyType)
+	assert.Equal(t, true, *config.Http2Origin)
 
 	privateV4 := "10.0.0.0/8"
 	privateV6 := "fc00::/7"

config/manager.go

@@ -6,7 +6,7 @@ import (
 
 	"github.com/pkg/errors"
 	"github.com/rs/zerolog"
-	yaml "gopkg.in/yaml.v2"
+	yaml "gopkg.in/yaml.v3"
 
 	"github.com/cloudflare/cloudflared/watcher"
 )

connection/connection.go

@@ -24,13 +24,22 @@ const (
 	LogFieldConnIndex      = "connIndex"
 	MaxGracePeriod         = time.Minute * 3
 	MaxConcurrentStreams   = math.MaxUint32
+
+	contentTypeHeader = "content-type"
+	sseContentType    = "text/event-stream"
+	grpcContentType   = "application/grpc"
 )
 
-var switchingProtocolText = fmt.Sprintf("%d %s", http.StatusSwitchingProtocols, http.StatusText(http.StatusSwitchingProtocols))
+var (
+	switchingProtocolText = fmt.Sprintf("%d %s", http.StatusSwitchingProtocols, http.StatusText(http.StatusSwitchingProtocols))
+	flushableContentTypes = []string{sseContentType, grpcContentType}
+)
 
 type Orchestrator interface {
 	UpdateConfig(version int32, config []byte) *pogs.UpdateConfigurationResponse
+	GetConfigJSON() ([]byte, error)
 	GetOriginProxy() (OriginProxy, error)
+	WarpRoutingEnabled() (enabled bool)
 }
 
 type NamedTunnelProperties struct {
@@ -122,22 +131,24 @@ func (t Type) String() string {
 
 // OriginProxy is how data flows from cloudflared to the origin services running behind it.
 type OriginProxy interface {
-	ProxyHTTP(w ResponseWriter, tr *tracing.TracedRequest, isWebsocket bool) error
+	ProxyHTTP(w ResponseWriter, tr *tracing.TracedHTTPRequest, isWebsocket bool) error
 	ProxyTCP(ctx context.Context, rwa ReadWriteAcker, req *TCPRequest) error
 }
 
 // TCPRequest defines the input format needed to perform a TCP proxy.
 type TCPRequest struct {
-	Dest    string
-	CFRay   string
-	LBProbe bool
+	Dest      string
+	CFRay     string
+	LBProbe   bool
+	FlowID    string
+	CfTraceID string
 }
 
 // ReadWriteAcker is a readwriter with the ability to Acknowledge to the downstream (edge) that the origin has
 // accepted the connection.
 type ReadWriteAcker interface {
 	io.ReadWriter
-	AckConnection() error
+	AckConnection(tracePropagation string) error
 }
 
 // HTTPResponseReadWriteAcker is an HTTP implementation of ReadWriteAcker.
@@ -166,22 +177,28 @@ func (h *HTTPResponseReadWriteAcker) Write(p []byte) (int, error) {
 
 // AckConnection acks an HTTP connection by sending a switch protocols status code that enables the caller to
 // upgrade to streams.
-func (h *HTTPResponseReadWriteAcker) AckConnection() error {
+func (h *HTTPResponseReadWriteAcker) AckConnection(tracePropagation string) error {
 	resp := &http.Response{
 		Status:        switchingProtocolText,
 		StatusCode:    http.StatusSwitchingProtocols,
 		ContentLength: -1,
+		Header:        http.Header{},
 	}
 
 	if secWebsocketKey := h.req.Header.Get("Sec-WebSocket-Key"); secWebsocketKey != "" {
 		resp.Header = websocket.NewResponseHeader(h.req)
 	}
 
+	if tracePropagation != "" {
+		resp.Header.Add(tracing.CanonicalCloudflaredTracingHeader, tracePropagation)
+	}
+
 	return h.w.WriteRespHeaders(resp.StatusCode, resp.Header)
 }
 
 type ResponseWriter interface {
 	WriteRespHeaders(status int, header http.Header) error
+	AddTrailer(trailerName, trailerValue string)
 	io.Writer
 }
 
@@ -190,10 +207,18 @@ type ConnectedFuse interface {
 	IsConnected() bool
 }
 
-func IsServerSentEvent(headers http.Header) bool {
-	if contentType := headers.Get("content-type"); contentType != "" {
-		return strings.HasPrefix(strings.ToLower(contentType), "text/event-stream")
+// Helper method to let the caller know what content-types should require a flush on every
+// write to a ResponseWriter.
+func shouldFlush(headers http.Header) bool {
+	if contentType := headers.Get(contentTypeHeader); contentType != "" {
+		contentType = strings.ToLower(contentType)
+		for _, c := range flushableContentTypes {
+			if strings.HasPrefix(contentType, c) {
+				return true
+			}
+		}
 	}
+
 	return false
 }
 

connection/connection_test.go

@@ -6,12 +6,11 @@ import (
 	"io"
 	"math/rand"
 	"net/http"
-	"testing"
 	"time"
 
 	"github.com/rs/zerolog"
-	"github.com/stretchr/testify/assert"
 
+	"github.com/cloudflare/cloudflared/stream"
 	"github.com/cloudflare/cloudflared/tracing"
 	tunnelpogs "github.com/cloudflare/cloudflared/tunnelrpc/pogs"
 	"github.com/cloudflare/cloudflared/websocket"
@@ -30,6 +29,8 @@ var (
 	testLargeResp = make([]byte, largeFileSize)
 )
 
+var _ ReadWriteAcker = (*HTTPResponseReadWriteAcker)(nil)
+
 type testRequest struct {
 	name           string
 	endpoint       string
@@ -42,6 +43,10 @@ type mockOrchestrator struct {
 	originProxy OriginProxy
 }
 
+func (mcr *mockOrchestrator) GetConfigJSON() ([]byte, error) {
+	return nil, fmt.Errorf("not implemented")
+}
+
 func (*mockOrchestrator) UpdateConfig(version int32, config []byte) *tunnelpogs.UpdateConfigurationResponse {
 	return &tunnelpogs.UpdateConfigurationResponse{
 		LastAppliedVersion: version,
@@ -52,11 +57,15 @@ func (mcr *mockOrchestrator) GetOriginProxy() (OriginProxy, error) {
 	return mcr.originProxy, nil
 }
 
+func (mcr *mockOrchestrator) WarpRoutingEnabled() (enabled bool) {
+	return true
+}
+
 type mockOriginProxy struct{}
 
 func (moc *mockOriginProxy) ProxyHTTP(
 	w ResponseWriter,
-	tr *tracing.TracedRequest,
+	tr *tracing.TracedHTTPRequest,
 	isWebsocket bool,
 ) error {
 	req := tr.Request
@@ -132,7 +141,7 @@ func wsEchoEndpoint(w ResponseWriter, r *http.Request) error {
 	}()
 
 	originConn := &echoPipe{reader: readPipe, writer: writePipe}
-	websocket.Stream(wsConn, originConn, &log)
+	stream.Pipe(wsConn, originConn, &log)
 	cancel()
 	wsConn.Close()
 	return nil
@@ -170,7 +179,7 @@ func wsFlakyEndpoint(w ResponseWriter, r *http.Request) error {
 
 	closedAfter := time.Millisecond * time.Duration(rand.Intn(50))
 	originConn := &flakyConn{closeAt: time.Now().Add(closedAfter)}
-	websocket.Stream(wsConn, originConn, &log)
+	stream.Pipe(wsConn, originConn, &log)
 	cancel()
 	wsConn.Close()
 	return nil
@@ -191,40 +200,3 @@ func (mcf mockConnectedFuse) Connected() {}
 func (mcf mockConnectedFuse) IsConnected() bool {
 	return true
 }
-
-func TestIsEventStream(t *testing.T) {
-	tests := []struct {
-		headers       http.Header
-		isEventStream bool
-	}{
-		{
-			headers:       newHeader("Content-Type", "text/event-stream"),
-			isEventStream: true,
-		},
-		{
-			headers:       newHeader("content-type", "text/event-stream"),
-			isEventStream: true,
-		},
-		{
-			headers:       newHeader("Content-Type", "text/event-stream; charset=utf-8"),
-			isEventStream: true,
-		},
-		{
-			headers:       newHeader("Content-Type", "application/json"),
-			isEventStream: false,
-		},
-		{
-			headers:       http.Header{},
-			isEventStream: false,
-		},
-	}
-	for _, test := range tests {
-		assert.Equal(t, test.isEventStream, IsServerSentEvent(test.headers))
-	}
-}
-
-func newHeader(key, value string) http.Header {
-	header := http.Header{}
-	header.Add(key, value)
-	return header
-}

connection/control.go

@@ -2,7 +2,9 @@ package connection
 
 import (
 	"context"
+	"fmt"
 	"io"
+	"net"
 	"time"
 
 	"github.com/rs/zerolog"
@@ -19,6 +21,8 @@ type controlStream struct {
 	connectedFuse         ConnectedFuse
 	namedTunnelProperties *NamedTunnelProperties
 	connIndex             uint8
+	edgeAddress           net.IP
+	protocol              Protocol
 
 	newRPCClientFunc RPCClientFunc
 
@@ -30,20 +34,26 @@ type controlStream struct {
 // ControlStreamHandler registers connections with origintunneld and initiates graceful shutdown.
 type ControlStreamHandler interface {
 	// ServeControlStream handles the control plane of the transport in the current goroutine calling this
-	ServeControlStream(ctx context.Context, rw io.ReadWriteCloser, connOptions *tunnelpogs.ConnectionOptions) error
+	ServeControlStream(ctx context.Context, rw io.ReadWriteCloser, connOptions *tunnelpogs.ConnectionOptions, tunnelConfigGetter TunnelConfigJSONGetter) error
 	// IsStopped tells whether the method above has finished
 	IsStopped() bool
 }
 
+type TunnelConfigJSONGetter interface {
+	GetConfigJSON() ([]byte, error)
+}
+
 // NewControlStream returns a new instance of ControlStreamHandler
 func NewControlStream(
 	observer *Observer,
 	connectedFuse ConnectedFuse,
 	namedTunnelConfig *NamedTunnelProperties,
 	connIndex uint8,
+	edgeAddress net.IP,
 	newRPCClientFunc RPCClientFunc,
 	gracefulShutdownC <-chan struct{},
 	gracePeriod time.Duration,
+	protocol Protocol,
 ) ControlStreamHandler {
 	if newRPCClientFunc == nil {
 		newRPCClientFunc = newRegistrationRPCClient
@@ -54,8 +64,10 @@ func NewControlStream(
 		namedTunnelProperties: namedTunnelConfig,
 		newRPCClientFunc:      newRPCClientFunc,
 		connIndex:             connIndex,
+		edgeAddress:           edgeAddress,
 		gracefulShutdownC:     gracefulShutdownC,
 		gracePeriod:           gracePeriod,
+		protocol:              protocol,
 	}
 }
 
@@ -63,15 +75,31 @@ func (c *controlStream) ServeControlStream(
 	ctx context.Context,
 	rw io.ReadWriteCloser,
 	connOptions *tunnelpogs.ConnectionOptions,
+	tunnelConfigGetter TunnelConfigJSONGetter,
 ) error {
 	rpcClient := c.newRPCClientFunc(ctx, rw, c.observer.log)
 
-	if err := rpcClient.RegisterConnection(ctx, c.namedTunnelProperties, connOptions, c.connIndex, c.observer); err != nil {
+	registrationDetails, err := rpcClient.RegisterConnection(ctx, c.namedTunnelProperties, connOptions, c.connIndex, c.edgeAddress, c.observer)
+	if err != nil {
 		rpcClient.Close()
 		return err
 	}
+
+	c.observer.logServerInfo(c.connIndex, registrationDetails.Location, c.edgeAddress, fmt.Sprintf("Connection %s registered with protocol: %s", registrationDetails.UUID, c.protocol))
+	c.observer.sendConnectedEvent(c.connIndex, c.protocol, registrationDetails.Location)
 	c.connectedFuse.Connected()
 
+	// if conn index is 0 and tunnel is not remotely managed, then send local ingress rules configuration
+	if c.connIndex == 0 && !registrationDetails.TunnelIsRemotelyManaged {
+		if tunnelConfig, err := tunnelConfigGetter.GetConfigJSON(); err == nil {
+			if err := rpcClient.SendLocalConfiguration(ctx, tunnelConfig, c.observer); err != nil {
+				c.observer.log.Err(err).Msg("unable to send local configuration")
+			}
+		} else {
+			c.observer.log.Err(err).Msg("failed to obtain current configuration")
+		}
+	}
+
 	c.waitForUnregister(ctx, rpcClient)
 	return nil
 }

connection/errors.go

@@ -18,6 +18,19 @@ func (e DupConnRegisterTunnelError) Error() string {
 	return "already connected to this server, trying another address"
 }
 
+// Dial to edge server with quic failed
+type EdgeQuicDialError struct {
+	Cause error
+}
+
+func (e *EdgeQuicDialError) Error() string {
+	return "failed to dial to edge with quic: " + e.Cause.Error()
+}
+
+func (e *EdgeQuicDialError) Unwrap() error {
+	return e.Cause
+}
+
 // RegisterTunnel error from server
 type ServerRegisterTunnelError struct {
 	Cause     error

connection/event.go

@@ -5,6 +5,7 @@ type Event struct {
 	Index     uint8
 	EventType Status
 	Location  string
+	Protocol  Protocol
 	URL       string
 }
 

connection/h2mux.go

@@ -69,6 +69,7 @@ func NewH2muxConnection(
 	connIndex uint8,
 	observer *Observer,
 	gracefulShutdownC <-chan struct{},
+	log *zerolog.Logger,
 ) (*h2muxConnection, error, bool) {
 	h := &h2muxConnection{
 		orchestrator:      orchestrator,
@@ -79,6 +80,7 @@ func NewH2muxConnection(
 		observer:          observer,
 		gracefulShutdownC: gracefulShutdownC,
 		newRPCClientFunc:  newRegistrationRPCClient,
+		log:               log,
 	}
 
 	// Establish a muxed connection with the edge
@@ -121,46 +123,6 @@ func (h *h2muxConnection) ServeNamedTunnel(ctx context.Context, namedTunnel *Nam
 	return err
 }
 
-func (h *h2muxConnection) ServeClassicTunnel(ctx context.Context, classicTunnel *ClassicTunnelProperties, credentialManager CredentialManager, registrationOptions *tunnelpogs.RegistrationOptions, connectedFuse ConnectedFuse) error {
-	errGroup, serveCtx := errgroup.WithContext(ctx)
-	errGroup.Go(func() error {
-		return h.serveMuxer(serveCtx)
-	})
-
-	errGroup.Go(func() (err error) {
-		defer func() {
-			if err == nil {
-				connectedFuse.Connected()
-			}
-		}()
-		if classicTunnel.UseReconnectToken && connectedFuse.IsConnected() {
-			err := h.reconnectTunnel(ctx, credentialManager, classicTunnel, registrationOptions)
-			if err == nil {
-				return nil
-			}
-			// log errors and proceed to RegisterTunnel
-			h.observer.log.Err(err).
-				Uint8(LogFieldConnIndex, h.connIndex).
-				Msg("Couldn't reconnect connection. Re-registering it instead.")
-		}
-		return h.registerTunnel(ctx, credentialManager, classicTunnel, registrationOptions)
-	})
-
-	errGroup.Go(func() error {
-		h.controlLoop(serveCtx, connectedFuse, false)
-		return nil
-	})
-
-	err := errGroup.Wait()
-	if err == errMuxerStopped {
-		if h.stoppedGracefully {
-			return nil
-		}
-		h.observer.log.Info().Uint8(LogFieldConnIndex, h.connIndex).Msg("Unexpected muxer shutdown")
-	}
-	return err
-}
-
 func (h *h2muxConnection) serveMuxer(ctx context.Context) error {
 	// All routines should stop when muxer finish serving. When muxer is shutdown
 	// gracefully, it doesn't return an error, so we need to return errMuxerShutdown
@@ -234,7 +196,7 @@ func (h *h2muxConnection) ServeStream(stream *h2mux.MuxedStream) error {
 		return err
 	}
 
-	err = originProxy.ProxyHTTP(respWriter, tracing.NewTracedRequest(req), sourceConnectionType == TypeWebsocket)
+	err = originProxy.ProxyHTTP(respWriter, tracing.NewTracedHTTPRequest(req, h.log), sourceConnectionType == TypeWebsocket)
 	if err != nil {
 		respWriter.WriteErrorResponse()
 	}
@@ -257,6 +219,10 @@ type h2muxRespWriter struct {
 	*h2mux.MuxedStream
 }
 
+func (rp *h2muxRespWriter) AddTrailer(trailerName, trailerValue string) {
+	// do nothing. we don't support trailers over h2mux
+}
+
 func (rp *h2muxRespWriter) WriteRespHeaders(status int, header http.Header) error {
 	headers := H1ResponseToH2ResponseHeaders(status, header)
 	headers = append(headers, h2mux.Header{Name: ResponseMetaHeader, Value: responseMetaHeaderOrigin})

connection/h2mux_test.go

@@ -47,8 +47,8 @@ func newH2MuxConnection(t require.TestingT) (*h2muxConnection, *h2mux.Muxer) {
 		edgeMuxChan <- edgeMux
 	}()
 	var connIndex = uint8(0)
-	testObserver := NewObserver(&log, &log, false)
-	h2muxConn, err, _ := NewH2muxConnection(testOrchestrator, testGracePeriod, testMuxerConfig, originConn, connIndex, testObserver, nil)
+	testObserver := NewObserver(&log, &log)
+	h2muxConn, err, _ := NewH2muxConnection(testOrchestrator, testGracePeriod, testMuxerConfig, originConn, connIndex, testObserver, nil, &log)
 	require.NoError(t, err)
 	return h2muxConn, <-edgeMuxChan
 }

connection/http2.go

@@ -115,51 +115,52 @@ func (c *HTTP2Connection) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	var requestErr error
 	switch connType {
 	case TypeControlStream:
-		if err := c.controlStreamHandler.ServeControlStream(r.Context(), respWriter, c.connOptions); err != nil {
-			c.controlStreamErr = err
-			c.log.Error().Err(err)
-			respWriter.WriteErrorResponse()
+		requestErr = c.controlStreamHandler.ServeControlStream(r.Context(), respWriter, c.connOptions, c.orchestrator)
+		if requestErr != nil {
+			c.controlStreamErr = requestErr
 		}
 
 	case TypeConfiguration:
-		if err := c.handleConfigurationUpdate(respWriter, r); err != nil {
-			c.log.Error().Err(err)
-			respWriter.WriteErrorResponse()
-		}
+		requestErr = c.handleConfigurationUpdate(respWriter, r)
 
 	case TypeWebsocket, TypeHTTP:
 		stripWebsocketUpgradeHeader(r)
 		// Check for tracing on request
-		tr := tracing.NewTracedRequest(r)
+		tr := tracing.NewTracedHTTPRequest(r, c.log)
 		if err := originProxy.ProxyHTTP(respWriter, tr, connType == TypeWebsocket); err != nil {
-			err := fmt.Errorf("Failed to proxy HTTP: %w", err)
-			c.log.Error().Err(err)
-			respWriter.WriteErrorResponse()
+			requestErr = fmt.Errorf("Failed to proxy HTTP: %w", err)
 		}
 
 	case TypeTCP:
 		host, err := getRequestHost(r)
 		if err != nil {
-			err := fmt.Errorf(`cloudflared received a warp-routing request with an empty host value: %w`, err)
-			c.log.Error().Err(err)
-			respWriter.WriteErrorResponse()
+			requestErr = fmt.Errorf(`cloudflared received a warp-routing request with an empty host value: %w`, err)
+			break
 		}
 
 		rws := NewHTTPResponseReadWriterAcker(respWriter, r)
-		if err := originProxy.ProxyTCP(r.Context(), rws, &TCPRequest{
-			Dest:    host,
-			CFRay:   FindCfRayHeader(r),
-			LBProbe: IsLBProbeRequest(r),
-		}); err != nil {
-			respWriter.WriteErrorResponse()
-		}
+		requestErr = originProxy.ProxyTCP(r.Context(), rws, &TCPRequest{
+			Dest:      host,
+			CFRay:     FindCfRayHeader(r),
+			LBProbe:   IsLBProbeRequest(r),
+			CfTraceID: r.Header.Get(tracing.TracerContextName),
+		})
 
 	default:
-		err := fmt.Errorf("Received unknown connection type: %s", connType)
-		c.log.Error().Err(err)
-		respWriter.WriteErrorResponse()
+		requestErr = fmt.Errorf("Received unknown connection type: %s", connType)
+	}
+
+	if requestErr != nil {
+		c.log.Error().Err(requestErr).Msg("failed to serve incoming request")
+
+		// WriteErrorResponse will return false if status was already written. we need to abort handler.
+		if !respWriter.WriteErrorResponse() {
+			c.log.Debug().Msg("Handler aborted due to failure to write error response after status already sent")
+			panic(http.ErrAbortHandler)
+		}
 	}
 }
 
@@ -190,11 +191,12 @@ func (c *HTTP2Connection) close() {
 }
 
 type http2RespWriter struct {
-	r           io.Reader
-	w           http.ResponseWriter
-	flusher     http.Flusher
-	shouldFlush bool
-	log         *zerolog.Logger
+	r             io.Reader
+	w             http.ResponseWriter
+	flusher       http.Flusher
+	shouldFlush   bool
+	statusWritten bool
+	log           *zerolog.Logger
 }
 
 func NewHTTP2RespWriter(r *http.Request, w http.ResponseWriter, connType Type, log *zerolog.Logger) (*http2RespWriter, error) {
@@ -218,11 +220,20 @@ func NewHTTP2RespWriter(r *http.Request, w http.ResponseWriter, connType Type, l
 	}, nil
 }
 
+func (rp *http2RespWriter) AddTrailer(trailerName, trailerValue string) {
+	if !rp.statusWritten {
+		rp.log.Warn().Msg("Tried to add Trailer to response before status written. Ignoring...")
+		return
+	}
+
+	rp.w.Header().Add(http2.TrailerPrefix+trailerName, trailerValue)
+}
+
 func (rp *http2RespWriter) WriteRespHeaders(status int, header http.Header) error {
 	dest := rp.w.Header()
 	userHeaders := make(http.Header, len(header))
 	for name, values := range header {
-		// Since these are http2 headers, they're required to be lowercase
+		// lowercase headers for simplicity check
 		h2name := strings.ToLower(name)
 
 		if h2name == "content-length" {
@@ -231,6 +242,12 @@ func (rp *http2RespWriter) WriteRespHeaders(status int, header http.Header) erro
 			dest[name] = values
 		}
 
+		if h2name == tracing.IntCloudflaredTracingHeader {
+			// Add cf-int-cloudflared-tracing header outside of serialized userHeaders
+			dest[tracing.CanonicalCloudflaredTracingHeader] = values
+			continue
+		}
+
 		if !IsControlResponseHeader(h2name) || IsWebsocketClientHeader(h2name) {
 			// User headers, on the other hand, must all be serialized so that
 			// HTTP/2 header validation won't be applied to HTTP/1 header values
@@ -240,24 +257,34 @@ func (rp *http2RespWriter) WriteRespHeaders(status int, header http.Header) erro
 
 	// Perform user header serialization and set them in the single header
 	dest.Set(CanonicalResponseUserHeaders, SerializeHeaders(userHeaders))
+
 	rp.setResponseMetaHeader(responseMetaHeaderOrigin)
 	// HTTP2 removes support for 101 Switching Protocols https://tools.ietf.org/html/rfc7540#section-8.1.1
 	if status == http.StatusSwitchingProtocols {
 		status = http.StatusOK
 	}
 	rp.w.WriteHeader(status)
-	if IsServerSentEvent(header) {
+	if shouldFlush(header) {
 		rp.shouldFlush = true
 	}
 	if rp.shouldFlush {
 		rp.flusher.Flush()
 	}
+
+	rp.statusWritten = true
 	return nil
 }
 
-func (rp *http2RespWriter) WriteErrorResponse() {
+func (rp *http2RespWriter) WriteErrorResponse() bool {
+	if rp.statusWritten {
+		return false
+	}
+
 	rp.setResponseMetaHeader(responseMetaHeaderCfd)
 	rp.w.WriteHeader(http.StatusBadGateway)
+	rp.statusWritten = true
+
+	return true
 }
 
 func (rp *http2RespWriter) setResponseMetaHeader(value string) {

connection/http2_test.go

@@ -15,6 +15,7 @@ import (
 	"time"
 
 	"github.com/gobwas/ws/wsutil"
+	"github.com/google/uuid"
 	"github.com/rs/zerolog"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -32,7 +33,7 @@ func newTestHTTP2Connection() (*HTTP2Connection, net.Conn) {
 	edgeConn, cfdConn := net.Pipe()
 	var connIndex = uint8(0)
 	log := zerolog.Nop()
-	obs := NewObserver(&log, &log, false)
+	obs := NewObserver(&log, &log)
 	controlStream := NewControlStream(
 		obs,
 		mockConnectedFuse{},
@@ -40,7 +41,9 @@ func newTestHTTP2Connection() (*HTTP2Connection, net.Conn) {
 		connIndex,
 		nil,
 		nil,
+		nil,
 		1*time.Second,
+		HTTP2,
 	)
 	return NewHTTP2Connection(
 		cfdConn,
@@ -166,18 +169,27 @@ type mockNamedTunnelRPCClient struct {
 	unregistered chan struct{}
 }
 
+func (mc mockNamedTunnelRPCClient) SendLocalConfiguration(c context.Context, config []byte, observer *Observer) error {
+	return nil
+}
+
 func (mc mockNamedTunnelRPCClient) RegisterConnection(
 	c context.Context,
 	properties *NamedTunnelProperties,
 	options *tunnelpogs.ConnectionOptions,
 	connIndex uint8,
+	edgeAddress net.IP,
 	observer *Observer,
-) error {
+) (*tunnelpogs.ConnectionDetails, error) {
 	if mc.shouldFail != nil {
-		return mc.shouldFail
+		return nil, mc.shouldFail
 	}
 	close(mc.registered)
-	return nil
+	return &tunnelpogs.ConnectionDetails{
+		Location:                "LIS",
+		UUID:                    uuid.New(),
+		TunnelIsRemotelyManaged: false,
+	}, nil
 }
 
 func (mc mockNamedTunnelRPCClient) GracefulShutdown(ctx context.Context, gracePeriod time.Duration) {
@@ -345,15 +357,17 @@ func TestServeControlStream(t *testing.T) {
 		unregistered: make(chan struct{}),
 	}
 
-	obs := NewObserver(&log, &log, false)
+	obs := NewObserver(&log, &log)
 	controlStream := NewControlStream(
 		obs,
 		mockConnectedFuse{},
 		&NamedTunnelProperties{},
 		1,
+		nil,
 		rpcClientFactory.newMockRPCClient,
 		nil,
 		1*time.Second,
+		HTTP2,
 	)
 	http2Conn.controlStreamHandler = controlStream
 
@@ -395,15 +409,17 @@ func TestFailRegistration(t *testing.T) {
 		unregistered: make(chan struct{}),
 	}
 
-	obs := NewObserver(&log, &log, false)
+	obs := NewObserver(&log, &log)
 	controlStream := NewControlStream(
 		obs,
 		mockConnectedFuse{},
 		&NamedTunnelProperties{},
 		http2Conn.connIndex,
+		nil,
 		rpcClientFactory.newMockRPCClient,
 		nil,
 		1*time.Second,
+		HTTP2,
 	)
 	http2Conn.controlStreamHandler = controlStream
 
@@ -440,16 +456,18 @@ func TestGracefulShutdownHTTP2(t *testing.T) {
 	events := &eventCollectorSink{}
 
 	shutdownC := make(chan struct{})
-	obs := NewObserver(&log, &log, false)
+	obs := NewObserver(&log, &log)
 	obs.RegisterSink(events)
 	controlStream := NewControlStream(
 		obs,
 		mockConnectedFuse{},
 		&NamedTunnelProperties{},
 		http2Conn.connIndex,
+		nil,
 		rpcClientFactory.newMockRPCClient,
 		shutdownC,
 		1*time.Second,
+		HTTP2,
 	)
 
 	http2Conn.controlStreamHandler = controlStream
@@ -477,7 +495,7 @@ func TestGracefulShutdownHTTP2(t *testing.T) {
 
 	select {
 	case <-rpcClientFactory.registered:
-		break //ok
+		break // ok
 	case <-time.Tick(time.Second):
 		t.Fatal("timeout out waiting for registration")
 	}
@@ -487,7 +505,7 @@ func TestGracefulShutdownHTTP2(t *testing.T) {
 
 	select {
 	case <-rpcClientFactory.unregistered:
-		break //ok
+		break // ok
 	case <-time.Tick(time.Second):
 		t.Fatal("timeout out waiting for unregistered signal")
 	}

connection/metrics.go

@@ -13,6 +13,7 @@ const (
 	MetricsNamespace = "cloudflared"
 	TunnelSubsystem  = "tunnel"
 	muxerSubsystem   = "muxer"
+	configSubsystem  = "config"
 )
 
 type muxerMetrics struct {
@@ -36,6 +37,11 @@ type muxerMetrics struct {
 	compRateAve      *prometheus.GaugeVec
 }
 
+type localConfigMetrics struct {
+	pushes       prometheus.Counter
+	pushesErrors prometheus.Counter
+}
+
 type tunnelMetrics struct {
 	timerRetries    prometheus.Gauge
 	serverLocations *prometheus.GaugeVec
@@ -51,6 +57,39 @@ type tunnelMetrics struct {
 	muxerMetrics        *muxerMetrics
 	tunnelsHA           tunnelsForHA
 	userHostnamesCounts *prometheus.CounterVec
+
+	localConfigMetrics *localConfigMetrics
+}
+
+func newLocalConfigMetrics() *localConfigMetrics {
+
+	pushesMetric := prometheus.NewCounter(
+		prometheus.CounterOpts{
+			Namespace: MetricsNamespace,
+			Subsystem: configSubsystem,
+			Name:      "local_config_pushes",
+			Help:      "Number of local configuration pushes to the edge",
+		},
+	)
+
+	pushesErrorsMetric := prometheus.NewCounter(
+		prometheus.CounterOpts{
+			Namespace: MetricsNamespace,
+			Subsystem: configSubsystem,
+			Name:      "local_config_pushes_errors",
+			Help:      "Number of errors occurred during local configuration pushes",
+		},
+	)
+
+	prometheus.MustRegister(
+		pushesMetric,
+		pushesErrorsMetric,
+	)
+
+	return &localConfigMetrics{
+		pushes:       pushesMetric,
+		pushesErrors: pushesErrorsMetric,
+	}
 }
 
 func newMuxerMetrics() *muxerMetrics {
@@ -328,7 +367,7 @@ func initTunnelMetrics() *tunnelMetrics {
 			Name:      "server_locations",
 			Help:      "Where each tunnel is connected to. 1 means current location, 0 means previous locations.",
 		},
-		[]string{"connection_id", "location"},
+		[]string{"connection_id", "edge_location"},
 	)
 	prometheus.MustRegister(serverLocations)
 
@@ -386,6 +425,7 @@ func initTunnelMetrics() *tunnelMetrics {
 		regFail:             registerFail,
 		rpcFail:             rpcFail,
 		userHostnamesCounts: userHostnamesCounts,
+		localConfigMetrics:  newLocalConfigMetrics(),
 	}
 }
 

connection/observer.go

@@ -1,6 +1,7 @@
 package connection
 
 import (
+	"net"
 	"strings"
 
 	"github.com/rs/zerolog"
@@ -8,6 +9,7 @@ import (
 
 const (
 	LogFieldLocation          = "location"
+	LogFieldIPAddress         = "ip"
 	observerChannelBufferSize = 16
 )
 
@@ -16,7 +18,6 @@ type Observer struct {
 	logTransport    *zerolog.Logger
 	metrics         *tunnelMetrics
 	tunnelEventChan chan Event
-	uiEnabled       bool
 	addSinkChan     chan EventSink
 }
 
@@ -24,12 +25,11 @@ type EventSink interface {
 	OnTunnelEvent(event Event)
 }
 
-func NewObserver(log, logTransport *zerolog.Logger, uiEnabled bool) *Observer {
+func NewObserver(log, logTransport *zerolog.Logger) *Observer {
 	o := &Observer{
 		log:             log,
 		logTransport:    logTransport,
 		metrics:         newTunnelMetrics(),
-		uiEnabled:       uiEnabled,
 		tunnelEventChan: make(chan Event, observerChannelBufferSize),
 		addSinkChan:     make(chan EventSink, observerChannelBufferSize),
 	}
@@ -41,11 +41,12 @@ func (o *Observer) RegisterSink(sink EventSink) {
 	o.addSinkChan <- sink
 }
 
-func (o *Observer) logServerInfo(connIndex uint8, location, msg string) {
+func (o *Observer) logServerInfo(connIndex uint8, location string, address net.IP, msg string) {
 	o.sendEvent(Event{Index: connIndex, EventType: Connected, Location: location})
 	o.log.Info().
 		Uint8(LogFieldConnIndex, connIndex).
 		Str(LogFieldLocation, location).
+		IPAddr(LogFieldIPAddress, address).
 		Msg(msg)
 	o.metrics.registerServerLocation(uint8ToString(connIndex), location)
 }
@@ -54,8 +55,8 @@ func (o *Observer) sendRegisteringEvent(connIndex uint8) {
 	o.sendEvent(Event{Index: connIndex, EventType: RegisteringTunnel})
 }
 
-func (o *Observer) sendConnectedEvent(connIndex uint8, location string) {
-	o.sendEvent(Event{Index: connIndex, EventType: Connected, Location: location})
+func (o *Observer) sendConnectedEvent(connIndex uint8, protocol Protocol, location string) {
+	o.sendEvent(Event{Index: connIndex, EventType: Connected, Protocol: protocol, Location: location})
 }
 
 func (o *Observer) SendURL(url string) {

connection/observer_test.go

@@ -12,7 +12,7 @@ import (
 )
 
 func TestSendUrl(t *testing.T) {
-	observer := NewObserver(&log, &log, false)
+	observer := NewObserver(&log, &log)
 
 	observer.SendURL("my-url.com")
 	assert.Equal(t, 1.0, getCounterValue(t, observer.metrics.userHostnamesCounts, "https://my-url.com"))
@@ -63,7 +63,7 @@ func TestRegisterServerLocation(t *testing.T) {
 }
 
 func TestObserverEventsDontBlock(t *testing.T) {
-	observer := NewObserver(&log, &log, false)
+	observer := NewObserver(&log, &log)
 	var mu sync.Mutex
 	observer.RegisterSink(EventSinkFunc(func(_ Event) {
 		// callback will block if lock is already held

connection/protocol.go

@@ -1,6 +1,7 @@
 package connection
 
 import (
+	"errors"
 	"fmt"
 	"hash/fnv"
 	"sync"
@@ -130,6 +131,7 @@ type autoProtocolSelector struct {
 	refreshAfter    time.Time
 	ttl             time.Duration
 	log             *zerolog.Logger
+	needPQ          bool
 }
 
 func newAutoProtocolSelector(
@@ -139,6 +141,7 @@ func newAutoProtocolSelector(
 	fetchFunc PercentageFetcher,
 	ttl time.Duration,
 	log *zerolog.Logger,
+	needPQ bool,
 ) *autoProtocolSelector {
 	return &autoProtocolSelector{
 		current:         current,
@@ -148,6 +151,7 @@ func newAutoProtocolSelector(
 		refreshAfter:    time.Now().Add(ttl),
 		ttl:             ttl,
 		log:             log,
+		needPQ:          needPQ,
 	}
 }
 
@@ -187,6 +191,9 @@ func getProtocol(protocolPool []Protocol, fetchFunc PercentageFetcher, switchThr
 func (s *autoProtocolSelector) Fallback() (Protocol, bool) {
 	s.lock.RLock()
 	defer s.lock.RUnlock()
+	if s.needPQ {
+		return 0, false
+	}
 	return s.current.fallback()
 }
 
@@ -199,9 +206,14 @@ func NewProtocolSelector(
 	fetchFunc PercentageFetcher,
 	ttl time.Duration,
 	log *zerolog.Logger,
+	needPQ bool,
 ) (ProtocolSelector, error) {
 	// Classic tunnel is only supported with h2mux
 	if namedTunnel == nil {
+		if needPQ {
+			return nil, errors.New("Classic tunnel does not support post-quantum")
+		}
+
 		return &staticProtocolSelector{
 			current: H2mux,
 		}, nil
@@ -209,8 +221,11 @@ func NewProtocolSelector(
 
 	threshold := switchThreshold(namedTunnel.Credentials.AccountTag)
 	fetchedProtocol, err := getProtocol([]Protocol{QUIC, HTTP2}, fetchFunc, threshold)
-	if err != nil {
-		log.Err(err).Msg("Unable to lookup protocol. Defaulting to `http2`. If this fails, you can set `--protocol h2mux` in your cloudflared command.")
+	if err != nil && protocolFlag == "auto" {
+		log.Err(err).Msg("Unable to lookup protocol. Defaulting to `http2`. If this fails, you can attempt `--protocol quic` instead.")
+		if needPQ {
+			return nil, errors.New("http2 does not support post-quantum")
+		}
 		return &staticProtocolSelector{
 			current: HTTP2,
 		}, nil
@@ -221,10 +236,10 @@ func NewProtocolSelector(
 			protocolFlag = HTTP2.String()
 			fetchedProtocol = HTTP2Warp
 		}
-		return selectWarpRoutingProtocols(protocolFlag, fetchFunc, ttl, log, threshold, fetchedProtocol)
+		return selectWarpRoutingProtocols(protocolFlag, fetchFunc, ttl, log, threshold, fetchedProtocol, needPQ)
 	}
 
-	return selectNamedTunnelProtocols(protocolFlag, fetchFunc, ttl, log, threshold, fetchedProtocol)
+	return selectNamedTunnelProtocols(protocolFlag, fetchFunc, ttl, log, threshold, fetchedProtocol, needPQ)
 }
 
 func selectNamedTunnelProtocols(
@@ -234,6 +249,7 @@ func selectNamedTunnelProtocols(
 	log *zerolog.Logger,
 	threshold int32,
 	protocol Protocol,
+	needPQ bool,
 ) (ProtocolSelector, error) {
 	// If the user picks a protocol, then we stick to it no matter what.
 	switch protocolFlag {
@@ -248,7 +264,7 @@ func selectNamedTunnelProtocols(
 	// If the user does not pick (hopefully the majority) then we use the one derived from the TXT DNS record and
 	// fallback on failures.
 	if protocolFlag == AutoSelectFlag {
-		return newAutoProtocolSelector(protocol, []Protocol{QUIC, HTTP2, H2mux}, threshold, fetchFunc, ttl, log), nil
+		return newAutoProtocolSelector(protocol, []Protocol{QUIC, HTTP2, H2mux}, threshold, fetchFunc, ttl, log, needPQ), nil
 	}
 
 	return nil, fmt.Errorf("Unknown protocol %s, %s", protocolFlag, AvailableProtocolFlagMessage)
@@ -261,6 +277,7 @@ func selectWarpRoutingProtocols(
 	log *zerolog.Logger,
 	threshold int32,
 	protocol Protocol,
+	needPQ bool,
 ) (ProtocolSelector, error) {
 	// If the user picks a protocol, then we stick to it no matter what.
 	switch protocolFlag {
@@ -273,7 +290,7 @@ func selectWarpRoutingProtocols(
 	// If the user does not pick (hopefully the majority) then we use the one derived from the TXT DNS record and
 	// fallback on failures.
 	if protocolFlag == AutoSelectFlag {
-		return newAutoProtocolSelector(protocol, []Protocol{QUICWarp, HTTP2Warp}, threshold, fetchFunc, ttl, log), nil
+		return newAutoProtocolSelector(protocol, []Protocol{QUICWarp, HTTP2Warp}, threshold, fetchFunc, ttl, log, needPQ), nil
 	}
 
 	return nil, fmt.Errorf("Unknown protocol %s, %s", protocolFlag, AvailableProtocolFlagMessage)

connection/protocol_test.go

@@ -219,7 +219,7 @@ func TestNewProtocolSelector(t *testing.T) {
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			selector, err := NewProtocolSelector(test.protocol, test.warpRoutingEnabled, test.namedTunnelConfig, test.fetchFunc, testNoTTL, &log)
+			selector, err := NewProtocolSelector(test.protocol, test.warpRoutingEnabled, test.namedTunnelConfig, test.fetchFunc, testNoTTL, &log, false)
 			if test.wantErr {
 				assert.Error(t, err, fmt.Sprintf("test %s failed", test.name))
 			} else {
@@ -237,7 +237,7 @@ func TestNewProtocolSelector(t *testing.T) {
 
 func TestAutoProtocolSelectorRefresh(t *testing.T) {
 	fetcher := dynamicMockFetcher{}
-	selector, err := NewProtocolSelector(AutoSelectFlag, noWarpRoutingEnabled, testNamedTunnelProperties, fetcher.fetch(), testNoTTL, &log)
+	selector, err := NewProtocolSelector(AutoSelectFlag, noWarpRoutingEnabled, testNamedTunnelProperties, fetcher.fetch(), testNoTTL, &log, false)
 	assert.NoError(t, err)
 	assert.Equal(t, H2mux, selector.Current())
 
@@ -267,7 +267,7 @@ func TestAutoProtocolSelectorRefresh(t *testing.T) {
 func TestHTTP2ProtocolSelectorRefresh(t *testing.T) {
 	fetcher := dynamicMockFetcher{}
 	// Since the user chooses http2 on purpose, we always stick to it.
-	selector, err := NewProtocolSelector("http2", noWarpRoutingEnabled, testNamedTunnelProperties, fetcher.fetch(), testNoTTL, &log)
+	selector, err := NewProtocolSelector("http2", noWarpRoutingEnabled, testNamedTunnelProperties, fetcher.fetch(), testNoTTL, &log, false)
 	assert.NoError(t, err)
 	assert.Equal(t, HTTP2, selector.Current())
 
@@ -297,7 +297,7 @@ func TestHTTP2ProtocolSelectorRefresh(t *testing.T) {
 func TestProtocolSelectorRefreshTTL(t *testing.T) {
 	fetcher := dynamicMockFetcher{}
 	fetcher.protocolPercents = edgediscovery.ProtocolPercents{edgediscovery.ProtocolPercent{Protocol: "quic", Percentage: 100}}
-	selector, err := NewProtocolSelector(AutoSelectFlag, noWarpRoutingEnabled, testNamedTunnelProperties, fetcher.fetch(), time.Hour, &log)
+	selector, err := NewProtocolSelector(AutoSelectFlag, noWarpRoutingEnabled, testNamedTunnelProperties, fetcher.fetch(), time.Hour, &log, false)
 	assert.NoError(t, err)
 	assert.Equal(t, QUIC, selector.Current())
 

connection/quic.go

@@ -7,18 +7,24 @@ import (
 	"io"
 	"net"
 	"net/http"
+	"net/netip"
 	"strconv"
 	"strings"
+	"sync"
+	"sync/atomic"
 	"time"
 
 	"github.com/google/uuid"
 	"github.com/lucas-clemente/quic-go"
 	"github.com/pkg/errors"
 	"github.com/rs/zerolog"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/trace"
 	"golang.org/x/sync/errgroup"
 
 	"github.com/cloudflare/cloudflared/datagramsession"
 	"github.com/cloudflare/cloudflared/ingress"
+	"github.com/cloudflare/cloudflared/packet"
 	quicpogs "github.com/cloudflare/cloudflared/quic"
 	"github.com/cloudflare/cloudflared/tracing"
 	tunnelpogs "github.com/cloudflare/cloudflared/tunnelrpc/pogs"
@@ -31,14 +37,27 @@ const (
 	HTTPMethodKey = "HttpMethod"
 	// HTTPHostKey is used to get or set http Method in QUIC ALPN if the underlying proxy connection type is HTTP.
 	HTTPHostKey = "HttpHost"
+
+	QUICMetadataFlowID = "FlowID"
+	// emperically this capacity has been working well
+	demuxChanCapacity = 16
+)
+
+var (
+	portForConnIndex = make(map[uint8]int, 0)
+	portMapMutex     sync.Mutex
 )
 
 // QUICConnection represents the type that facilitates Proxying via QUIC streams.
 type QUICConnection struct {
-	session              quic.Session
-	logger               *zerolog.Logger
-	orchestrator         Orchestrator
-	sessionManager       datagramsession.Manager
+	session      quic.Connection
+	logger       *zerolog.Logger
+	orchestrator Orchestrator
+	// sessionManager tracks active sessions. It receives datagrams from quic connection via datagramMuxer
+	sessionManager datagramsession.Manager
+	// datagramMuxer mux/demux datagrams from quic connection
+	datagramMuxer        *quicpogs.DatagramMuxerV2
+	packetRouter         *ingress.PacketRouter
 	controlStreamHandler ControlStreamHandler
 	connOptions          *tunnelpogs.ConnectionOptions
 }
@@ -47,29 +66,44 @@ type QUICConnection struct {
 func NewQUICConnection(
 	quicConfig *quic.Config,
 	edgeAddr net.Addr,
+	connIndex uint8,
 	tlsConfig *tls.Config,
 	orchestrator Orchestrator,
 	connOptions *tunnelpogs.ConnectionOptions,
 	controlStreamHandler ControlStreamHandler,
 	logger *zerolog.Logger,
+	packetRouterConfig *ingress.GlobalRouterConfig,
 ) (*QUICConnection, error) {
-	session, err := quic.DialAddr(edgeAddr.String(), tlsConfig, quicConfig)
-	if err != nil {
-		return nil, fmt.Errorf("failed to dial to edge: %w", err)
-	}
-
-	datagramMuxer, err := quicpogs.NewDatagramMuxer(session)
+	udpConn, err := createUDPConnForConnIndex(connIndex, logger)
 	if err != nil {
 		return nil, err
 	}
 
-	sessionManager := datagramsession.NewManager(datagramMuxer, logger)
+	session, err := quic.Dial(udpConn, edgeAddr, edgeAddr.String(), tlsConfig, quicConfig)
+	if err != nil {
+		// close the udp server socket in case of error connecting to the edge
+		udpConn.Close()
+		return nil, &EdgeQuicDialError{Cause: err}
+	}
+
+	// wrap the session, so that the UDPConn is closed after session is closed.
+	session = &wrapCloseableConnQuicConnection{
+		session,
+		udpConn,
+	}
+
+	sessionDemuxChan := make(chan *packet.Session, demuxChanCapacity)
+	datagramMuxer := quicpogs.NewDatagramMuxerV2(session, logger, sessionDemuxChan)
+	sessionManager := datagramsession.NewManager(logger, datagramMuxer.SendToSession, sessionDemuxChan)
+	packetRouter := ingress.NewPacketRouter(packetRouterConfig, datagramMuxer, logger, orchestrator.WarpRoutingEnabled)
 
 	return &QUICConnection{
 		session:              session,
 		orchestrator:         orchestrator,
 		logger:               logger,
 		sessionManager:       sessionManager,
+		datagramMuxer:        datagramMuxer,
+		packetRouter:         packetRouter,
 		controlStreamHandler: controlStreamHandler,
 		connOptions:          connOptions,
 	}, nil
@@ -105,13 +139,21 @@ func (q *QUICConnection) Serve(ctx context.Context) error {
 		defer cancel()
 		return q.sessionManager.Serve(ctx)
 	})
+	errGroup.Go(func() error {
+		defer cancel()
+		return q.datagramMuxer.ServeReceive(ctx)
+	})
+	errGroup.Go(func() error {
+		defer cancel()
+		return q.packetRouter.Serve(ctx)
+	})
 
 	return errGroup.Wait()
 }
 
 func (q *QUICConnection) serveControlStream(ctx context.Context, controlStream quic.Stream) error {
 	// This blocks until the control plane is done.
-	err := q.controlStreamHandler.ServeControlStream(ctx, controlStream, q.connOptions)
+	err := q.controlStreamHandler.ServeControlStream(ctx, controlStream, q.connOptions, q.orchestrator)
 	if err != nil {
 		// Not wrapping error here to be consistent with the http2 message.
 		return err
@@ -120,6 +162,11 @@ func (q *QUICConnection) serveControlStream(ctx context.Context, controlStream q
 	return nil
 }
 
+// Close closes the session with no errors specified.
+func (q *QUICConnection) Close() {
+	q.session.CloseWithError(0, "")
+}
+
 func (q *QUICConnection) acceptStream(ctx context.Context) error {
 	defer q.Close()
 	for {
@@ -131,23 +178,30 @@ func (q *QUICConnection) acceptStream(ctx context.Context) error {
 			}
 			return fmt.Errorf("failed to accept QUIC stream: %w", err)
 		}
-		go func() {
-			stream := quicpogs.NewSafeStreamCloser(quicStream)
-			defer stream.Close()
-
-			if err = q.handleStream(stream); err != nil {
-				q.logger.Err(err).Msg("Failed to handle QUIC stream")
-			}
-		}()
+		go q.runStream(quicStream)
 	}
 }
 
-// Close closes the session with no errors specified.
-func (q *QUICConnection) Close() {
-	q.session.CloseWithError(0, "")
+func (q *QUICConnection) runStream(quicStream quic.Stream) {
+	ctx := quicStream.Context()
+	stream := quicpogs.NewSafeStreamCloser(quicStream)
+	defer stream.Close()
+
+	// we are going to fuse readers/writers from stream <- cloudflared -> origin, and we want to guarantee that
+	// code executed in the code path of handleStream don't trigger an earlier close to the downstream write stream.
+	// So, we wrap the stream with a no-op write closer and only this method can actually close write side of the stream.
+	// A call to close will simulate a close to the read-side, which will fail subsequent reads.
+	noCloseStream := &nopCloserReadWriter{ReadWriteCloser: stream}
+	if err := q.handleStream(ctx, noCloseStream); err != nil {
+		q.logger.Debug().Err(err).Msg("Failed to handle QUIC stream")
+
+		// if we received an error at this level, then close write side of stream with an error, which will result in
+		// RST_STREAM frame.
+		quicStream.CancelWrite(0)
+	}
 }
 
-func (q *QUICConnection) handleStream(stream io.ReadWriteCloser) error {
+func (q *QUICConnection) handleStream(ctx context.Context, stream io.ReadWriteCloser) error {
 	signature, err := quicpogs.DetermineProtocol(stream)
 	if err != nil {
 		return err
@@ -156,9 +210,9 @@ func (q *QUICConnection) handleStream(stream io.ReadWriteCloser) error {
 	case quicpogs.DataStreamProtocolSignature:
 		reqServerStream, err := quicpogs.NewRequestServerStream(stream, signature)
 		if err != nil {
-			return nil
+			return err
 		}
-		return q.handleDataStream(reqServerStream)
+		return q.handleDataStream(ctx, reqServerStream)
 	case quicpogs.RPCStreamProtocolSignature:
 		rpcStream, err := quicpogs.NewRPCServerStream(stream, signature)
 		if err != nil {
@@ -170,55 +224,105 @@ func (q *QUICConnection) handleStream(stream io.ReadWriteCloser) error {
 	}
 }
 
-func (q *QUICConnection) handleDataStream(stream *quicpogs.RequestServerStream) error {
-	connectRequest, err := stream.ReadConnectRequestData()
+func (q *QUICConnection) handleDataStream(ctx context.Context, stream *quicpogs.RequestServerStream) error {
+	request, err := stream.ReadConnectRequestData()
 	if err != nil {
 		return err
 	}
 
-	originProxy, err := q.orchestrator.GetOriginProxy()
-	if err != nil {
-		return err
-	}
-	switch connectRequest.Type {
-	case quicpogs.ConnectionTypeHTTP, quicpogs.ConnectionTypeWebsocket:
-		tracedReq, err := buildHTTPRequest(connectRequest, stream)
-		if err != nil {
+	if err, connectResponseSent := q.dispatchRequest(ctx, stream, err, request); err != nil {
+		q.logger.Err(err).Str("type", request.Type.String()).Str("dest", request.Dest).Msg("Request failed")
+
+		// if the connectResponse was already sent and we had an error, we need to propagate it up, so that the stream is
+		// closed with an RST_STREAM frame
+		if connectResponseSent {
 			return err
 		}
 
-		w := newHTTPResponseAdapter(stream)
-		return originProxy.ProxyHTTP(w, tracedReq, connectRequest.Type == quicpogs.ConnectionTypeWebsocket)
-	case quicpogs.ConnectionTypeTCP:
-		rwa := &streamReadWriteAcker{stream}
-		return originProxy.ProxyTCP(context.Background(), rwa, &TCPRequest{Dest: connectRequest.Dest})
+		if writeRespErr := stream.WriteConnectResponseData(err); writeRespErr != nil {
+			return writeRespErr
+		}
 	}
+
 	return nil
 }
 
+// dispatchRequest will dispatch the request depending on the type and returns an error if it occurs.
+// More importantly, it also tells if the during processing of the request the ConnectResponse metadata was sent downstream.
+// This is important since it informs
+func (q *QUICConnection) dispatchRequest(ctx context.Context, stream *quicpogs.RequestServerStream, err error, request *quicpogs.ConnectRequest) (error, bool) {
+	originProxy, err := q.orchestrator.GetOriginProxy()
+	if err != nil {
+		return err, false
+	}
+
+	switch request.Type {
+	case quicpogs.ConnectionTypeHTTP, quicpogs.ConnectionTypeWebsocket:
+		tracedReq, err := buildHTTPRequest(ctx, request, stream, q.logger)
+		if err != nil {
+			return err, false
+		}
+		w := newHTTPResponseAdapter(stream)
+		return originProxy.ProxyHTTP(&w, tracedReq, request.Type == quicpogs.ConnectionTypeWebsocket), w.connectResponseSent
+
+	case quicpogs.ConnectionTypeTCP:
+		rwa := &streamReadWriteAcker{RequestServerStream: stream}
+		metadata := request.MetadataMap()
+		return originProxy.ProxyTCP(ctx, rwa, &TCPRequest{
+			Dest:      request.Dest,
+			FlowID:    metadata[QUICMetadataFlowID],
+			CfTraceID: metadata[tracing.TracerContextName],
+		}), rwa.connectResponseSent
+	default:
+		return errors.Errorf("unsupported error type: %s", request.Type), false
+	}
+}
+
 func (q *QUICConnection) handleRPCStream(rpcStream *quicpogs.RPCServerStream) error {
-	return rpcStream.Serve(q, q, q.logger)
+	if err := rpcStream.Serve(q, q, q.logger); err != nil {
+		q.logger.Err(err).Msg("failed handling RPC stream")
+	}
+
+	return nil
 }
 
 // RegisterUdpSession is the RPC method invoked by edge to register and run a session
-func (q *QUICConnection) RegisterUdpSession(ctx context.Context, sessionID uuid.UUID, dstIP net.IP, dstPort uint16, closeAfterIdleHint time.Duration) error {
+func (q *QUICConnection) RegisterUdpSession(ctx context.Context, sessionID uuid.UUID, dstIP net.IP, dstPort uint16, closeAfterIdleHint time.Duration, traceContext string) (*tunnelpogs.RegisterUdpSessionResponse, error) {
+	traceCtx := tracing.NewTracedContext(ctx, traceContext, q.logger)
+	ctx, registerSpan := traceCtx.Tracer().Start(traceCtx, "register-session", trace.WithAttributes(
+		attribute.String("session-id", sessionID.String()),
+		attribute.String("dst", fmt.Sprintf("%s:%d", dstIP, dstPort)),
+	))
 	// Each session is a series of datagram from an eyeball to a dstIP:dstPort.
 	// (src port, dst IP, dst port) uniquely identifies a session, so it needs a dedicated connected socket.
 	originProxy, err := ingress.DialUDP(dstIP, dstPort)
 	if err != nil {
 		q.logger.Err(err).Msgf("Failed to create udp proxy to %s:%d", dstIP, dstPort)
-		return err
+		tracing.EndWithErrorStatus(registerSpan, err)
+		return nil, err
 	}
+	registerSpan.SetAttributes(
+		attribute.Bool("socket-bind-success", true),
+		attribute.String("src", originProxy.LocalAddr().String()),
+	)
+
 	session, err := q.sessionManager.RegisterSession(ctx, sessionID, originProxy)
 	if err != nil {
 		q.logger.Err(err).Str("sessionID", sessionID.String()).Msgf("Failed to register udp session")
-		return err
+		tracing.EndWithErrorStatus(registerSpan, err)
+		return nil, err
 	}
 
 	go q.serveUDPSession(session, closeAfterIdleHint)
 
-	q.logger.Debug().Msgf("Registered session %v, %v, %v", sessionID, dstIP, dstPort)
-	return nil
+	q.logger.Debug().Str("sessionID", sessionID.String()).Str("src", originProxy.LocalAddr().String()).Str("dst", fmt.Sprintf("%s:%d", dstIP, dstPort)).Msgf("Registered session")
+	tracing.End(registerSpan)
+
+	resp := tunnelpogs.RegisterUdpSessionResponse{
+		Spans: traceCtx.GetProtoSpans(),
+	}
+
+	return &resp, nil
 }
 
 func (q *QUICConnection) serveUDPSession(session *datagramsession.Session, closeAfterIdleHint time.Duration) {
@@ -274,23 +378,34 @@ func (q *QUICConnection) UpdateConfiguration(ctx context.Context, version int32,
 // the client.
 type streamReadWriteAcker struct {
 	*quicpogs.RequestServerStream
+	connectResponseSent bool
 }
 
 // AckConnection acks response back to the proxy.
-func (s *streamReadWriteAcker) AckConnection() error {
-	return s.WriteConnectResponseData(nil)
+func (s *streamReadWriteAcker) AckConnection(tracePropagation string) error {
+	metadata := quicpogs.Metadata{
+		Key: tracing.CanonicalCloudflaredTracingHeader,
+		Val: tracePropagation,
+	}
+	s.connectResponseSent = true
+	return s.WriteConnectResponseData(nil, metadata)
 }
 
 // httpResponseAdapter translates responses written by the HTTP Proxy into ones that can be used in QUIC.
 type httpResponseAdapter struct {
 	*quicpogs.RequestServerStream
+	connectResponseSent bool
 }
 
 func newHTTPResponseAdapter(s *quicpogs.RequestServerStream) httpResponseAdapter {
-	return httpResponseAdapter{s}
+	return httpResponseAdapter{RequestServerStream: s}
 }
 
-func (hrw httpResponseAdapter) WriteRespHeaders(status int, header http.Header) error {
+func (hrw *httpResponseAdapter) AddTrailer(trailerName, trailerValue string) {
+	// we do not support trailers over QUIC
+}
+
+func (hrw *httpResponseAdapter) WriteRespHeaders(status int, header http.Header) error {
 	metadata := make([]quicpogs.Metadata, 0)
 	metadata = append(metadata, quicpogs.Metadata{Key: "HttpStatus", Val: strconv.Itoa(status)})
 	for k, vv := range header {
@@ -299,21 +414,32 @@ func (hrw httpResponseAdapter) WriteRespHeaders(status int, header http.Header)
 			metadata = append(metadata, quicpogs.Metadata{Key: httpHeaderKey, Val: v})
 		}
 	}
+
 	return hrw.WriteConnectResponseData(nil, metadata...)
 }
 
-func (hrw httpResponseAdapter) WriteErrorResponse(err error) {
+func (hrw *httpResponseAdapter) WriteErrorResponse(err error) {
 	hrw.WriteConnectResponseData(err, quicpogs.Metadata{Key: "HttpStatus", Val: strconv.Itoa(http.StatusBadGateway)})
 }
 
-func buildHTTPRequest(connectRequest *quicpogs.ConnectRequest, body io.ReadCloser) (*tracing.TracedRequest, error) {
+func (hrw *httpResponseAdapter) WriteConnectResponseData(respErr error, metadata ...quicpogs.Metadata) error {
+	hrw.connectResponseSent = true
+	return hrw.RequestServerStream.WriteConnectResponseData(respErr, metadata...)
+}
+
+func buildHTTPRequest(
+	ctx context.Context,
+	connectRequest *quicpogs.ConnectRequest,
+	body io.ReadCloser,
+	log *zerolog.Logger,
+) (*tracing.TracedHTTPRequest, error) {
 	metadata := connectRequest.MetadataMap()
 	dest := connectRequest.Dest
 	method := metadata[HTTPMethodKey]
 	host := metadata[HTTPHostKey]
 	isWebsocket := connectRequest.Type == quicpogs.ConnectionTypeWebsocket
 
-	req, err := http.NewRequest(method, dest, body)
+	req, err := http.NewRequestWithContext(ctx, method, dest, body)
 	if err != nil {
 		return nil, err
 	}
@@ -348,7 +474,7 @@ func buildHTTPRequest(connectRequest *quicpogs.ConnectRequest, body io.ReadClose
 	stripWebsocketUpgradeHeader(req)
 
 	// Check for tracing on request
-	tracedReq := tracing.NewTracedRequest(req)
+	tracedReq := tracing.NewTracedHTTPRequest(req, log)
 	return tracedReq, err
 }
 
@@ -366,3 +492,107 @@ func isTransferEncodingChunked(req *http.Request) bool {
 	// separated value as well.
 	return strings.Contains(strings.ToLower(transferEncodingVal), "chunked")
 }
+
+// A helper struct that guarantees a call to close only affects read side, but not write side.
+type nopCloserReadWriter struct {
+	io.ReadWriteCloser
+
+	// for use by Read only
+	// we don't need a memory barrier here because there is an implicit assumption that
+	// Read calls can't happen concurrently by different go-routines.
+	sawEOF bool
+	// should be updated and read using atomic primitives.
+	// value is read in Read method and written in Close method, which could be done by different
+	// go-routines.
+	closed uint32
+}
+
+func (np *nopCloserReadWriter) Read(p []byte) (n int, err error) {
+	if np.sawEOF {
+		return 0, io.EOF
+	}
+
+	if atomic.LoadUint32(&np.closed) > 0 {
+		return 0, fmt.Errorf("closed by handler")
+	}
+
+	n, err = np.ReadWriteCloser.Read(p)
+	if err == io.EOF {
+		np.sawEOF = true
+	}
+
+	return
+}
+
+func (np *nopCloserReadWriter) Close() error {
+	atomic.StoreUint32(&np.closed, 1)
+
+	return nil
+}
+
+// muxerWrapper wraps DatagramMuxerV2 to satisfy the packet.FunnelUniPipe interface
+type muxerWrapper struct {
+	muxer *quicpogs.DatagramMuxerV2
+}
+
+func (rp *muxerWrapper) SendPacket(dst netip.Addr, pk packet.RawPacket) error {
+	return rp.muxer.SendPacket(quicpogs.RawPacket(pk))
+}
+
+func (rp *muxerWrapper) ReceivePacket(ctx context.Context) (packet.RawPacket, error) {
+	pk, err := rp.muxer.ReceivePacket(ctx)
+	if err != nil {
+		return packet.RawPacket{}, err
+	}
+	rawPacket, ok := pk.(quicpogs.RawPacket)
+	if ok {
+		return packet.RawPacket(rawPacket), nil
+	}
+	return packet.RawPacket{}, fmt.Errorf("unexpected packet type %+v", pk)
+}
+
+func (rp *muxerWrapper) Close() error {
+	return nil
+}
+
+func createUDPConnForConnIndex(connIndex uint8, logger *zerolog.Logger) (*net.UDPConn, error) {
+	portMapMutex.Lock()
+	defer portMapMutex.Unlock()
+
+	// if port was not set yet, it will be zero, so bind will randomly allocate one.
+	if port, ok := portForConnIndex[connIndex]; ok {
+		udpConn, err := net.ListenUDP("udp", &net.UDPAddr{IP: net.IPv4zero, Port: port})
+		// if there wasn't an error, or if port was 0 (independently of error or not, just return)
+		if err == nil {
+			return udpConn, nil
+		} else {
+			logger.Debug().Err(err).Msgf("Unable to reuse port %d for connIndex %d. Falling back to random allocation.", port, connIndex)
+		}
+	}
+
+	// if we reached here, then there was an error or port as not been allocated it.
+	udpConn, err := net.ListenUDP("udp", &net.UDPAddr{IP: net.IPv4zero, Port: 0})
+	if err == nil {
+		udpAddr, ok := (udpConn.LocalAddr()).(*net.UDPAddr)
+		if !ok {
+			return nil, fmt.Errorf("unable to cast to udpConn")
+		}
+		portForConnIndex[connIndex] = udpAddr.Port
+	} else {
+		delete(portForConnIndex, connIndex)
+	}
+
+	return udpConn, err
+}
+
+type wrapCloseableConnQuicConnection struct {
+	quic.Connection
+	udpConn *net.UDPConn
+}
+
+func (w *wrapCloseableConnQuicConnection) CloseWithError(errorCode quic.ApplicationErrorCode, reason string) error {
+	err := w.Connection.CloseWithError(errorCode, reason)
+	w.udpConn.Close()
+
+	return err
+}

connection/quic_test.go

@@ -10,7 +10,7 @@ import (
 	"net/http"
 	"net/url"
 	"os"
-	"sync"
+	"strings"
 	"testing"
 	"time"
 
@@ -25,17 +25,21 @@ import (
 	"github.com/cloudflare/cloudflared/datagramsession"
 	quicpogs "github.com/cloudflare/cloudflared/quic"
 	"github.com/cloudflare/cloudflared/tracing"
+	"github.com/cloudflare/cloudflared/tunnelrpc/pogs"
 	tunnelpogs "github.com/cloudflare/cloudflared/tunnelrpc/pogs"
 )
 
 var (
 	testTLSServerConfig = quicpogs.GenerateTLSConfig()
 	testQUICConfig      = &quic.Config{
-		KeepAlive:       true,
-		EnableDatagrams: true,
+		ConnectionIDLength: 16,
+		KeepAlivePeriod:    5 * time.Second,
+		EnableDatagrams:    true,
 	}
 )
 
+var _ ReadWriteAcker = (*streamReadWriteAcker)(nil)
+
 // TestQUICServer tests if a quic server accepts and responds to a quic client with the acceptance protocol.
 // It also serves as a demonstration for communication with the QUIC connection started by a cloudflared.
 func TestQUICServer(t *testing.T) {
@@ -137,24 +141,33 @@ func TestQUICServer(t *testing.T) {
 		},
 	}
 
-	for _, test := range tests {
+	for i, test := range tests {
+		test := test // capture range variable
 		t.Run(test.desc, func(t *testing.T) {
 			ctx, cancel := context.WithCancel(context.Background())
-			var wg sync.WaitGroup
-			wg.Add(1)
+
+			quicListener, err := quic.Listen(udpListener, testTLSServerConfig, testQUICConfig)
+			require.NoError(t, err)
+
+			serverDone := make(chan struct{})
 			go func() {
-				defer wg.Done()
 				quicServer(
-					t, udpListener, testTLSServerConfig, testQUICConfig,
-					test.dest, test.connectionType, test.metadata, test.message, test.expectedResponse,
+					ctx, t, quicListener, test.dest, test.connectionType, test.metadata, test.message, test.expectedResponse,
 				)
+				close(serverDone)
 			}()
 
-			qc := testQUICConnection(udpListener.LocalAddr(), t)
-			go qc.Serve(ctx)
+			qc := testQUICConnection(udpListener.LocalAddr(), t, uint8(i))
 
-			wg.Wait()
+			connDone := make(chan struct{})
+			go func() {
+				qc.Serve(ctx)
+				close(connDone)
+			}()
+
+			<-serverDone
 			cancel()
+			<-connDone
 		})
 	}
 }
@@ -163,7 +176,7 @@ type fakeControlStream struct {
 	ControlStreamHandler
 }
 
-func (fakeControlStream) ServeControlStream(ctx context.Context, rw io.ReadWriteCloser, connOptions *tunnelpogs.ConnectionOptions) error {
+func (fakeControlStream) ServeControlStream(ctx context.Context, rw io.ReadWriteCloser, connOptions *tunnelpogs.ConnectionOptions, tunnelConfigGetter TunnelConfigJSONGetter) error {
 	<-ctx.Done()
 	return nil
 }
@@ -172,23 +185,16 @@ func (fakeControlStream) IsStopped() bool {
 }
 
 func quicServer(
+	ctx context.Context,
 	t *testing.T,
-	conn net.PacketConn,
-	tlsConf *tls.Config,
-	config *quic.Config,
+	listener quic.Listener,
 	dest string,
 	connectionType quicpogs.ConnectionType,
 	metadata []quicpogs.Metadata,
 	message []byte,
 	expectedResponse []byte,
 ) {
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-
-	earlyListener, err := quic.Listen(conn, tlsConf, config)
-	require.NoError(t, err)
-
-	session, err := earlyListener.Accept(ctx)
+	session, err := listener.Accept(ctx)
 	require.NoError(t, err)
 
 	quicStream, err := session.OpenStreamSync(context.Background())
@@ -220,7 +226,7 @@ func quicServer(
 
 type mockOriginProxyWithRequest struct{}
 
-func (moc *mockOriginProxyWithRequest) ProxyHTTP(w ResponseWriter, tr *tracing.TracedRequest, isWebsocket bool) error {
+func (moc *mockOriginProxyWithRequest) ProxyHTTP(w ResponseWriter, tr *tracing.TracedHTTPRequest, isWebsocket bool) error {
 	// These are a series of crude tests to ensure the headers and http related data is transferred from
 	// metadata.
 	r := tr.Request
@@ -475,9 +481,11 @@ func TestBuildHTTPRequest(t *testing.T) {
 		},
 	}
 
+	log := zerolog.Nop()
 	for _, test := range tests {
+		test := test // capture range variable
 		t.Run(test.name, func(t *testing.T) {
-			req, err := buildHTTPRequest(test.connectRequest, test.body)
+			req, err := buildHTTPRequest(context.Background(), test.connectRequest, test.body, &log)
 			assert.NoError(t, err)
 			test.req = test.req.WithContext(req.Context())
 			assert.Equal(t, test.req, req.Request)
@@ -486,7 +494,7 @@ func TestBuildHTTPRequest(t *testing.T) {
 }
 
 func (moc *mockOriginProxyWithRequest) ProxyTCP(ctx context.Context, rwa ReadWriteAcker, tcpRequest *TCPRequest) error {
-	rwa.AckConnection()
+	rwa.AckConnection("")
 	io.Copy(rwa, rwa)
 	return nil
 }
@@ -500,9 +508,10 @@ func TestServeUDPSession(t *testing.T) {
 	defer udpListener.Close()
 
 	ctx, cancel := context.WithCancel(context.Background())
+	val := udpListener.LocalAddr()
 
 	// Establish QUIC connection with edge
-	edgeQUICSessionChan := make(chan quic.Session)
+	edgeQUICSessionChan := make(chan quic.Connection)
 	go func() {
 		earlyListener, err := quic.Listen(udpListener, testTLSServerConfig, testQUICConfig)
 		require.NoError(t, err)
@@ -512,7 +521,8 @@ func TestServeUDPSession(t *testing.T) {
 		edgeQUICSessionChan <- edgeQUICSession
 	}()
 
-	qc := testQUICConnection(udpListener.LocalAddr(), t)
+	// Random index to avoid reusing port
+	qc := testQUICConnection(val, t, 28)
 	go qc.Serve(ctx)
 
 	edgeQUICSession := <-edgeQUICSessionChan
@@ -522,7 +532,76 @@ func TestServeUDPSession(t *testing.T) {
 	cancel()
 }
 
-func serveSession(ctx context.Context, qc *QUICConnection, edgeQUICSession quic.Session, closeType closeReason, expectedReason string, t *testing.T) {
+func TestNopCloserReadWriterCloseBeforeEOF(t *testing.T) {
+	readerWriter := nopCloserReadWriter{ReadWriteCloser: &mockReaderNoopWriter{Reader: strings.NewReader("123456789")}}
+	buffer := make([]byte, 5)
+
+	n, err := readerWriter.Read(buffer)
+	require.NoError(t, err)
+	require.Equal(t, n, 5)
+
+	// close
+	require.NoError(t, readerWriter.Close())
+
+	// read should get error
+	n, err = readerWriter.Read(buffer)
+	require.Equal(t, n, 0)
+	require.Equal(t, err, fmt.Errorf("closed by handler"))
+}
+
+func TestNopCloserReadWriterCloseAfterEOF(t *testing.T) {
+	readerWriter := nopCloserReadWriter{ReadWriteCloser: &mockReaderNoopWriter{Reader: strings.NewReader("123456789")}}
+	buffer := make([]byte, 20)
+
+	n, err := readerWriter.Read(buffer)
+	require.NoError(t, err)
+	require.Equal(t, n, 9)
+
+	// force another read to read eof
+	_, err = readerWriter.Read(buffer)
+	require.Equal(t, err, io.EOF)
+
+	// close
+	require.NoError(t, readerWriter.Close())
+
+	// read should get EOF still
+	n, err = readerWriter.Read(buffer)
+	require.Equal(t, n, 0)
+	require.Equal(t, err, io.EOF)
+}
+
+func TestCreateUDPConnReuseSourcePort(t *testing.T) {
+	logger := zerolog.Nop()
+	conn, err := createUDPConnForConnIndex(0, &logger)
+	require.NoError(t, err)
+
+	getPortFunc := func(conn *net.UDPConn) int {
+		addr := conn.LocalAddr().(*net.UDPAddr)
+		return addr.Port
+	}
+
+	initialPort := getPortFunc(conn)
+
+	// close conn
+	conn.Close()
+
+	// should get the same port as before.
+	conn, err = createUDPConnForConnIndex(0, &logger)
+	require.NoError(t, err)
+	require.Equal(t, initialPort, getPortFunc(conn))
+
+	// new index, should get a different port
+	conn1, err := createUDPConnForConnIndex(1, &logger)
+	require.NoError(t, err)
+	require.NotEqual(t, initialPort, getPortFunc(conn1))
+
+	// not closing the conn and trying to obtain a new conn for same index should give a different random port
+	conn, err = createUDPConnForConnIndex(0, &logger)
+	require.NoError(t, err)
+	require.NotEqual(t, initialPort, getPortFunc(conn))
+}
+
+func serveSession(ctx context.Context, qc *QUICConnection, edgeQUICSession quic.Connection, closeType closeReason, expectedReason string, t *testing.T) {
 	var (
 		payload = []byte(t.Name())
 	)
@@ -538,8 +617,12 @@ func serveSession(ctx context.Context, qc *QUICConnection, edgeQUICSession quic.
 		close(sessionDone)
 	}()
 
-	// Send a message to the quic session on edge side, it should be deumx to this datagram session
-	muxedPayload := append(payload, sessionID[:]...)
+	// Send a message to the quic session on edge side, it should be deumx to this datagram v2 session
+	muxedPayload, err := quicpogs.SuffixSessionID(sessionID, payload)
+	require.NoError(t, err)
+	muxedPayload, err = quicpogs.SuffixType(muxedPayload, quicpogs.DatagramTypeUDP)
+	require.NoError(t, err)
+
 	err = edgeQUICSession.SendMessage(muxedPayload)
 	require.NoError(t, err)
 
@@ -583,7 +666,7 @@ const (
 	closedByTimeout
 )
 
-func runRPCServer(ctx context.Context, session quic.Session, sessionRPCServer tunnelpogs.SessionManager, configRPCServer tunnelpogs.ConfigurationManager, t *testing.T) {
+func runRPCServer(ctx context.Context, session quic.Connection, sessionRPCServer tunnelpogs.SessionManager, configRPCServer tunnelpogs.ConfigurationManager, t *testing.T) {
 	stream, err := session.AcceptStream(ctx)
 	require.NoError(t, err)
 
@@ -608,8 +691,8 @@ type mockSessionRPCServer struct {
 	calledUnregisterChan chan struct{}
 }
 
-func (s mockSessionRPCServer) RegisterUdpSession(ctx context.Context, sessionID uuid.UUID, dstIP net.IP, dstPort uint16, closeIdleAfter time.Duration) error {
-	return fmt.Errorf("mockSessionRPCServer doesn't implement RegisterUdpSession")
+func (s mockSessionRPCServer) RegisterUdpSession(ctx context.Context, sessionID uuid.UUID, dstIP net.IP, dstPort uint16, closeIdleAfter time.Duration, traceContext string) (*pogs.RegisterUdpSessionResponse, error) {
+	return nil, fmt.Errorf("mockSessionRPCServer doesn't implement RegisterUdpSession")
 }
 
 func (s mockSessionRPCServer) UnregisterUdpSession(ctx context.Context, sessionID uuid.UUID, reason string) error {
@@ -623,7 +706,7 @@ func (s mockSessionRPCServer) UnregisterUdpSession(ctx context.Context, sessionI
 	return nil
 }
 
-func testQUICConnection(udpListenerAddr net.Addr, t *testing.T) *QUICConnection {
+func testQUICConnection(udpListenerAddr net.Addr, t *testing.T, index uint8) *QUICConnection {
 	tlsClientConfig := &tls.Config{
 		InsecureSkipVerify: true,
 		NextProtos:         []string{"argotunnel"},
@@ -633,12 +716,26 @@ func testQUICConnection(udpListenerAddr net.Addr, t *testing.T) *QUICConnection
 	qc, err := NewQUICConnection(
 		testQUICConfig,
 		udpListenerAddr,
+		index,
 		tlsClientConfig,
 		&mockOrchestrator{originProxy: &mockOriginProxyWithRequest{}},
 		&tunnelpogs.ConnectionOptions{},
 		fakeControlStream{},
 		&log,
+		nil,
 	)
 	require.NoError(t, err)
 	return qc
 }
+
+type mockReaderNoopWriter struct {
+	io.Reader
+}
+
+func (m *mockReaderNoopWriter) Write(p []byte) (n int, err error) {
+	return len(p), nil
+}
+
+func (m *mockReaderNoopWriter) Close() error {
+	return nil
+}

connection/rpc.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"io"
+	"net"
 	"time"
 
 	"github.com/rs/zerolog"
@@ -57,6 +58,12 @@ type NamedTunnelRPCClient interface {
 		config *NamedTunnelProperties,
 		options *tunnelpogs.ConnectionOptions,
 		connIndex uint8,
+		edgeAddress net.IP,
+		observer *Observer,
+	) (*tunnelpogs.ConnectionDetails, error)
+	SendLocalConfiguration(
+		c context.Context,
+		config []byte,
 		observer *Observer,
 	) error
 	GracefulShutdown(ctx context.Context, gracePeriod time.Duration)
@@ -89,8 +96,9 @@ func (rsc *registrationServerClient) RegisterConnection(
 	properties *NamedTunnelProperties,
 	options *tunnelpogs.ConnectionOptions,
 	connIndex uint8,
+	edgeAddress net.IP,
 	observer *Observer,
-) error {
+) (*tunnelpogs.ConnectionDetails, error) {
 	conn, err := rsc.client.RegisterConnection(
 		ctx,
 		properties.Credentials.Auth(),
@@ -101,18 +109,26 @@ func (rsc *registrationServerClient) RegisterConnection(
 	if err != nil {
 		if err.Error() == DuplicateConnectionError {
 			observer.metrics.regFail.WithLabelValues("dup_edge_conn", "registerConnection").Inc()
-			return errDuplicationConnection
+			return nil, errDuplicationConnection
 		}
 		observer.metrics.regFail.WithLabelValues("server_error", "registerConnection").Inc()
-		return serverRegistrationErrorFromRPC(err)
+		return nil, serverRegistrationErrorFromRPC(err)
 	}
 
 	observer.metrics.regSuccess.WithLabelValues("registerConnection").Inc()
 
-	observer.logServerInfo(connIndex, conn.Location, fmt.Sprintf("Connection %s registered", conn.UUID))
-	observer.sendConnectedEvent(connIndex, conn.Location)
+	return conn, nil
+}
 
-	return nil
+func (rsc *registrationServerClient) SendLocalConfiguration(ctx context.Context, config []byte, observer *Observer) (err error) {
+	observer.metrics.localConfigMetrics.pushes.Inc()
+	defer func() {
+		if err != nil {
+			observer.metrics.localConfigMetrics.pushesErrors.Inc()
+		}
+	}()
+
+	return rsc.client.SendLocalConfiguration(ctx, config)
 }
 
 func (rsc *registrationServerClient) GracefulShutdown(ctx context.Context, gracePeriod time.Duration) {
@@ -258,7 +274,7 @@ func (h *h2muxConnection) logServerInfo(ctx context.Context, rpcClient *tunnelSe
 		h.observer.log.Err(err).Msg("Failed to retrieve server information")
 		return err
 	}
-	h.observer.logServerInfo(h.connIndex, serverInfo.LocationName, "Connection established")
+	h.observer.logServerInfo(h.connIndex, serverInfo.LocationName, net.IP{}, "Connection established")
 	return nil
 }
 
@@ -274,9 +290,13 @@ func (h *h2muxConnection) registerNamedTunnel(
 	rpcClient := h.newRPCClientFunc(ctx, stream, h.observer.log)
 	defer rpcClient.Close()
 
-	if err = rpcClient.RegisterConnection(ctx, namedTunnel, connOptions, h.connIndex, h.observer); err != nil {
+	registrationDetails, err := rpcClient.RegisterConnection(ctx, namedTunnel, connOptions, h.connIndex, nil, h.observer)
+	if err != nil {
 		return err
 	}
+	h.observer.logServerInfo(h.connIndex, registrationDetails.Location, nil, fmt.Sprintf("Connection %s registered", registrationDetails.UUID))
+	h.observer.sendConnectedEvent(h.connIndex, H2mux, registrationDetails.Location)
+
 	return nil
 }
 

datagramsession/event.go

@@ -42,9 +42,3 @@ func (sc *errClosedSession) Error() string {
 		return fmt.Sprintf("session closed by local due to %s", sc.message)
 	}
 }
-
-// newDatagram is an event when transport receives new datagram
-type newDatagram struct {
-	sessionID uuid.UUID
-	payload   []byte
-}

datagramsession/manager.go

@@ -2,13 +2,14 @@ package datagramsession
 
 import (
 	"context"
+	"fmt"
 	"io"
 	"time"
 
 	"github.com/google/uuid"
-	"github.com/lucas-clemente/quic-go"
 	"github.com/rs/zerolog"
-	"golang.org/x/sync/errgroup"
+
+	"github.com/cloudflare/cloudflared/packet"
 )
 
 const (
@@ -16,6 +17,10 @@ const (
 	defaultReqTimeout   = time.Second * 5
 )
 
+var (
+	errSessionManagerClosed = fmt.Errorf("session manager closed")
+)
+
 // Manager defines the APIs to manage sessions from the same transport.
 type Manager interface {
 	// Serve starts the event loop
@@ -24,73 +29,70 @@ type Manager interface {
 	RegisterSession(ctx context.Context, sessionID uuid.UUID, dstConn io.ReadWriteCloser) (*Session, error)
 	// UnregisterSession stops tracking the session and terminates it
 	UnregisterSession(ctx context.Context, sessionID uuid.UUID, message string, byRemote bool) error
+	// UpdateLogger updates the logger used by the Manager
+	UpdateLogger(log *zerolog.Logger)
 }
 
 type manager struct {
 	registrationChan   chan *registerSessionEvent
 	unregistrationChan chan *unregisterSessionEvent
-	datagramChan       chan *newDatagram
-	transport          transport
+	sendFunc           transportSender
+	receiveChan        <-chan *packet.Session
+	closedChan         <-chan struct{}
 	sessions           map[uuid.UUID]*Session
 	log                *zerolog.Logger
 	// timeout waiting for an API to finish. This can be overriden in test
 	timeout time.Duration
 }
 
-func NewManager(transport transport, log *zerolog.Logger) *manager {
+func NewManager(log *zerolog.Logger, sendF transportSender, receiveChan <-chan *packet.Session) *manager {
 	return &manager{
 		registrationChan:   make(chan *registerSessionEvent),
 		unregistrationChan: make(chan *unregisterSessionEvent),
-		// datagramChan is buffered, so it can read more datagrams from transport while the event loop is processing other events
-		datagramChan: make(chan *newDatagram, requestChanCapacity),
-		transport:    transport,
-		sessions:     make(map[uuid.UUID]*Session),
-		log:          log,
-		timeout:      defaultReqTimeout,
+		sendFunc:           sendF,
+		receiveChan:        receiveChan,
+		closedChan:         make(chan struct{}),
+		sessions:           make(map[uuid.UUID]*Session),
+		log:                log,
+		timeout:            defaultReqTimeout,
 	}
 }
 
+func (m *manager) UpdateLogger(log *zerolog.Logger) {
+	// Benign data race, no problem if the old pointer is read or not concurrently.
+	m.log = log
+}
+
 func (m *manager) Serve(ctx context.Context) error {
-	errGroup, ctx := errgroup.WithContext(ctx)
-	errGroup.Go(func() error {
-		for {
-			sessionID, payload, err := m.transport.ReceiveFrom()
-			if err != nil {
-				if aerr, ok := err.(*quic.ApplicationError); ok && uint64(aerr.ErrorCode) == uint64(quic.NoError) {
-					return nil
-				} else {
-					return err
-				}
-			}
-			datagram := &newDatagram{
-				sessionID: sessionID,
-				payload:   payload,
-			}
-			select {
-			case <-ctx.Done():
-				return ctx.Err()
-			// Only the event loop routine can update/lookup the sessions map to avoid concurrent access
-			// Send the datagram to the event loop. It will find the session to send to
-			case m.datagramChan <- datagram:
-			}
+	for {
+		select {
+		case <-ctx.Done():
+			m.shutdownSessions(ctx.Err())
+			return ctx.Err()
+		// receiveChan is buffered, so the transport can read more datagrams from transport while the event loop is
+		// processing other events
+		case datagram := <-m.receiveChan:
+			m.sendToSession(datagram)
+		case registration := <-m.registrationChan:
+			m.registerSession(ctx, registration)
+		case unregistration := <-m.unregistrationChan:
+			m.unregisterSession(unregistration)
 		}
-	})
-	errGroup.Go(func() error {
-		for {
-			select {
-			case <-ctx.Done():
-				return nil
-			case datagram := <-m.datagramChan:
-				m.sendToSession(datagram)
-			case registration := <-m.registrationChan:
-				m.registerSession(ctx, registration)
-			// TODO: TUN-5422: Unregister inactive session upon timeout
-			case unregistration := <-m.unregistrationChan:
-				m.unregisterSession(unregistration)
-			}
-		}
-	})
-	return errGroup.Wait()
+	}
+}
+
+func (m *manager) shutdownSessions(err error) {
+	if err == nil {
+		err = errSessionManagerClosed
+	}
+	closeSessionErr := &errClosedSession{
+		message: err.Error(),
+		// Usually connection with remote has been closed, so set this to true to skip unregistering from remote
+		byRemote: true,
+	}
+	for _, s := range m.sessions {
+		s.close(closeSessionErr)
+	}
 }
 
 func (m *manager) RegisterSession(ctx context.Context, sessionID uuid.UUID, originProxy io.ReadWriteCloser) (*Session, error) {
@@ -104,15 +106,34 @@ func (m *manager) RegisterSession(ctx context.Context, sessionID uuid.UUID, orig
 	case m.registrationChan <- event:
 		session := <-event.resultChan
 		return session, nil
+	// Once closedChan is closed, manager won't accept more registration because nothing is
+	// reading from registrationChan and it's an unbuffered channel
+	case <-m.closedChan:
+		return nil, errSessionManagerClosed
 	}
 }
 
 func (m *manager) registerSession(ctx context.Context, registration *registerSessionEvent) {
-	session := newSession(registration.sessionID, m.transport, registration.originProxy, m.log)
+	session := m.newSession(registration.sessionID, registration.originProxy)
 	m.sessions[registration.sessionID] = session
 	registration.resultChan <- session
 }
 
+func (m *manager) newSession(id uuid.UUID, dstConn io.ReadWriteCloser) *Session {
+	logger := m.log.With().Str("sessionID", id.String()).Logger()
+	return &Session{
+		ID:       id,
+		sendFunc: m.sendFunc,
+		dstConn:  dstConn,
+		// activeAtChan has low capacity. It can be full when there are many concurrent read/write. markActive() will
+		// drop instead of blocking because last active time only needs to be an approximation
+		activeAtChan: make(chan time.Time, 2),
+		// capacity is 2 because close() and dstToTransport routine in Serve() can write to this channel
+		closeChan: make(chan error, 2),
+		log:       &logger,
+	}
+}
+
 func (m *manager) UnregisterSession(ctx context.Context, sessionID uuid.UUID, message string, byRemote bool) error {
 	ctx, cancel := context.WithTimeout(ctx, m.timeout)
 	defer cancel()
@@ -129,6 +150,8 @@ func (m *manager) UnregisterSession(ctx context.Context, sessionID uuid.UUID, me
 		return ctx.Err()
 	case m.unregistrationChan <- event:
 		return nil
+	case <-m.closedChan:
+		return errSessionManagerClosed
 	}
 }
 
@@ -140,16 +163,13 @@ func (m *manager) unregisterSession(unregistration *unregisterSessionEvent) {
 	}
 }
 
-func (m *manager) sendToSession(datagram *newDatagram) {
-	session, ok := m.sessions[datagram.sessionID]
+func (m *manager) sendToSession(datagram *packet.Session) {
+	session, ok := m.sessions[datagram.ID]
 	if !ok {
-		m.log.Error().Str("sessionID", datagram.sessionID.String()).Msg("session not found")
+		m.log.Error().Str("sessionID", datagram.ID.String()).Msg("session not found")
 		return
 	}
 	// session writes to destination over a connected UDP socket, which should not be blocking, so this call doesn't
 	// need to run in another go routine
-	_, err := session.transportToDst(datagram.payload)
-	if err != nil {
-		m.log.Err(err).Str("sessionID", datagram.sessionID.String()).Msg("Failed to write payload to session")
-	}
+	session.transportToDst(datagram.Payload)
 }

datagramsession/manager_test.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"io"
 	"net"
+	"sync"
 	"testing"
 	"time"
 
@@ -13,26 +14,30 @@ import (
 	"github.com/rs/zerolog"
 	"github.com/stretchr/testify/require"
 	"golang.org/x/sync/errgroup"
+
+	"github.com/cloudflare/cloudflared/packet"
+)
+
+var (
+	nopLogger = zerolog.Nop()
 )
 
 func TestManagerServe(t *testing.T) {
 	const (
-		sessions            = 20
-		msgs                = 50
+		sessions            = 2
+		msgs                = 5
 		remoteUnregisterMsg = "eyeball closed connection"
 	)
-	log := zerolog.Nop()
-	transport := &mockQUICTransport{
-		reqChan:  newDatagramChannel(1),
-		respChan: newDatagramChannel(1),
-	}
-	mg := NewManager(transport, &log)
 
-	eyeballTracker := make(map[uuid.UUID]*datagramChannel)
-	for i := 0; i < sessions; i++ {
-		sessionID := uuid.New()
-		eyeballTracker[sessionID] = newDatagramChannel(1)
+	requestChan := make(chan *packet.Session)
+	transport := mockQUICTransport{
+		sessions: make(map[uuid.UUID]chan []byte),
 	}
+	for i := 0; i < sessions; i++ {
+		transport.sessions[uuid.New()] = make(chan []byte)
+	}
+
+	mg := NewManager(&nopLogger, transport.MuxSession, requestChan)
 
 	ctx, cancel := context.WithCancel(context.Background())
 	serveDone := make(chan struct{})
@@ -41,53 +46,42 @@ func TestManagerServe(t *testing.T) {
 		close(serveDone)
 	}(ctx)
 
-	go func(ctx context.Context) {
-		for {
-			sessionID, payload, err := transport.respChan.Receive(ctx)
-			if err != nil {
-				require.Equal(t, context.Canceled, err)
-				return
-			}
-			respChan := eyeballTracker[sessionID]
-			require.NoError(t, respChan.Send(ctx, sessionID, payload))
-		}
-	}(ctx)
-
 	errGroup, ctx := errgroup.WithContext(ctx)
-	for sID, receiver := range eyeballTracker {
+	for sessionID, eyeballRespChan := range transport.sessions {
+		// Assign loop variables to local variables
+		sID := sessionID
+		payload := testPayload(sID)
+		expectResp := testResponse(payload)
+
+		cfdConn, originConn := net.Pipe()
+
+		origin := mockOrigin{
+			expectMsgCount: msgs,
+			expectedMsg:    payload,
+			expectedResp:   expectResp,
+			conn:           originConn,
+		}
+
+		eyeball := mockEyeballSession{
+			id:               sID,
+			expectedMsgCount: msgs,
+			expectedMsg:      payload,
+			expectedResponse: expectResp,
+			respReceiver:     eyeballRespChan,
+		}
+
 		// Assign loop variables to local variables
-		sessionID := sID
-		eyeballRespReceiver := receiver
 		errGroup.Go(func() error {
-			payload := testPayload(sessionID)
-			expectResp := testResponse(payload)
-
-			cfdConn, originConn := net.Pipe()
-
-			origin := mockOrigin{
-				expectMsgCount: msgs,
-				expectedMsg:    payload,
-				expectedResp:   expectResp,
-				conn:           originConn,
-			}
-			eyeball := mockEyeball{
-				expectMsgCount:  msgs,
-				expectedMsg:     expectResp,
-				expectSessionID: sessionID,
-				respReceiver:    eyeballRespReceiver,
-			}
-
+			session, err := mg.RegisterSession(ctx, sID, cfdConn)
+			require.NoError(t, err)
 			reqErrGroup, reqCtx := errgroup.WithContext(ctx)
 			reqErrGroup.Go(func() error {
 				return origin.serve()
 			})
 			reqErrGroup.Go(func() error {
-				return eyeball.serve(reqCtx)
+				return eyeball.serve(reqCtx, requestChan)
 			})
 
-			session, err := mg.RegisterSession(ctx, sessionID, cfdConn)
-			require.NoError(t, err)
-
 			sessionDone := make(chan struct{})
 			go func() {
 				closedByRemote, err := session.Serve(ctx, time.Minute*2)
@@ -100,23 +94,17 @@ func TestManagerServe(t *testing.T) {
 				close(sessionDone)
 			}()
 
-			for i := 0; i < msgs; i++ {
-				require.NoError(t, transport.newRequest(ctx, sessionID, testPayload(sessionID)))
-			}
-
 			// Make sure eyeball and origin have received all messages before unregistering the session
 			require.NoError(t, reqErrGroup.Wait())
 
-			require.NoError(t, mg.UnregisterSession(ctx, sessionID, remoteUnregisterMsg, true))
+			require.NoError(t, mg.UnregisterSession(ctx, sID, remoteUnregisterMsg, true))
 			<-sessionDone
-
 			return nil
 		})
 	}
 
 	require.NoError(t, errGroup.Wait())
 	cancel()
-	transport.close()
 	<-serveDone
 }
 
@@ -124,12 +112,8 @@ func TestTimeout(t *testing.T) {
 	const (
 		testTimeout = time.Millisecond * 50
 	)
-	log := zerolog.Nop()
-	transport := &mockQUICTransport{
-		reqChan:  newDatagramChannel(1),
-		respChan: newDatagramChannel(1),
-	}
-	mg := NewManager(transport, &log)
+
+	mg := NewManager(&nopLogger, nil, nil)
 	mg.timeout = testTimeout
 	ctx := context.Background()
 	sessionID := uuid.New()
@@ -142,6 +126,80 @@ func TestTimeout(t *testing.T) {
 	require.ErrorIs(t, err, context.DeadlineExceeded)
 }
 
+func TestUnregisterSessionCloseSession(t *testing.T) {
+	sessionID := uuid.New()
+	payload := []byte(t.Name())
+	sender := newMockTransportSender(sessionID, payload)
+	mg := NewManager(&nopLogger, sender.muxSession, nil)
+	ctx, cancel := context.WithCancel(context.Background())
+
+	managerDone := make(chan struct{})
+	go func() {
+		err := mg.Serve(ctx)
+		require.Error(t, err)
+		close(managerDone)
+	}()
+
+	cfdConn, originConn := net.Pipe()
+	session, err := mg.RegisterSession(ctx, sessionID, cfdConn)
+	require.NoError(t, err)
+	require.NotNil(t, session)
+
+	unregisteredChan := make(chan struct{})
+	go func() {
+		_, err := originConn.Write(payload)
+		require.NoError(t, err)
+
+		err = mg.UnregisterSession(ctx, sessionID, "eyeball closed session", true)
+		require.NoError(t, err)
+
+		close(unregisteredChan)
+	}()
+
+	closedByRemote, err := session.Serve(ctx, time.Minute)
+	require.True(t, closedByRemote)
+	require.Error(t, err)
+
+	<-unregisteredChan
+	cancel()
+	<-managerDone
+}
+
+func TestManagerCtxDoneCloseSessions(t *testing.T) {
+	sessionID := uuid.New()
+	payload := []byte(t.Name())
+	sender := newMockTransportSender(sessionID, payload)
+	mg := NewManager(&nopLogger, sender.muxSession, nil)
+	ctx, cancel := context.WithCancel(context.Background())
+
+	var wg sync.WaitGroup
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		err := mg.Serve(ctx)
+		require.Error(t, err)
+	}()
+
+	cfdConn, originConn := net.Pipe()
+	session, err := mg.RegisterSession(ctx, sessionID, cfdConn)
+	require.NoError(t, err)
+	require.NotNil(t, session)
+
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		_, err := originConn.Write(payload)
+		require.NoError(t, err)
+		cancel()
+	}()
+
+	closedByRemote, err := session.Serve(ctx, time.Minute)
+	require.False(t, closedByRemote)
+	require.Error(t, err)
+
+	wg.Wait()
+}
+
 type mockOrigin struct {
 	expectMsgCount int
 	expectedMsg    []byte
@@ -163,7 +221,6 @@ func (mo *mockOrigin) serve() error {
 		if !bytes.Equal(readBuffer[:n], mo.expectedMsg) {
 			return fmt.Errorf("Expect %v, read %v", mo.expectedMsg, readBuffer[:n])
 		}
-
 		_, err = mo.conn.Write(mo.expectedResp)
 		if err != nil {
 			return err
@@ -180,65 +237,35 @@ func testResponse(msg []byte) []byte {
 	return []byte(fmt.Sprintf("Response to %v", msg))
 }
 
-type mockEyeball struct {
-	expectMsgCount  int
-	expectedMsg     []byte
-	expectSessionID uuid.UUID
-	respReceiver    *datagramChannel
+type mockQUICTransport struct {
+	sessions map[uuid.UUID]chan []byte
 }
 
-func (me *mockEyeball) serve(ctx context.Context) error {
-	for i := 0; i < me.expectMsgCount; i++ {
-		sessionID, msg, err := me.respReceiver.Receive(ctx)
-		if err != nil {
-			return err
-		}
-		if sessionID != me.expectSessionID {
-			return fmt.Errorf("Expect session %s, got %s", me.expectSessionID, sessionID)
-		}
-		if !bytes.Equal(msg, me.expectedMsg) {
-			return fmt.Errorf("Expect %v, read %v", me.expectedMsg, msg)
-		}
-	}
+func (me *mockQUICTransport) MuxSession(session *packet.Session) error {
+	s := me.sessions[session.ID]
+	s <- session.Payload
 	return nil
 }
 
-// datagramChannel is a channel for Datagram with wrapper to send/receive with context
-type datagramChannel struct {
-	datagramChan chan *newDatagram
-	closedChan   chan struct{}
+type mockEyeballSession struct {
+	id               uuid.UUID
+	expectedMsgCount int
+	expectedMsg      []byte
+	expectedResponse []byte
+	respReceiver     <-chan []byte
 }
 
-func newDatagramChannel(capacity uint) *datagramChannel {
-	return &datagramChannel{
-		datagramChan: make(chan *newDatagram, capacity),
-		closedChan:   make(chan struct{}),
+func (me *mockEyeballSession) serve(ctx context.Context, requestChan chan *packet.Session) error {
+	for i := 0; i < me.expectedMsgCount; i++ {
+		requestChan <- &packet.Session{
+			ID:      me.id,
+			Payload: me.expectedMsg,
+		}
+		resp := <-me.respReceiver
+		if !bytes.Equal(resp, me.expectedResponse) {
+			return fmt.Errorf("Expect %v, read %v", me.expectedResponse, resp)
+		}
+		fmt.Println("Resp", resp)
 	}
-}
-
-func (rc *datagramChannel) Send(ctx context.Context, sessionID uuid.UUID, payload []byte) error {
-	select {
-	case <-ctx.Done():
-		return ctx.Err()
-	case <-rc.closedChan:
-		return fmt.Errorf("datagram channel closed")
-	case rc.datagramChan <- &newDatagram{sessionID: sessionID, payload: payload}:
-		return nil
-	}
-}
-
-func (rc *datagramChannel) Receive(ctx context.Context) (uuid.UUID, []byte, error) {
-	select {
-	case <-ctx.Done():
-		return uuid.Nil, nil, ctx.Err()
-	case <-rc.closedChan:
-		return uuid.Nil, nil, fmt.Errorf("datagram channel closed")
-	case msg := <-rc.datagramChan:
-		return msg.sessionID, msg.payload, nil
-	}
-}
-
-func (rc *datagramChannel) Close() {
-	// No need to close msgChan, it will be garbage collect once there is no reference to it
-	close(rc.closedChan)
+	return nil
 }

datagramsession/session.go

@@ -2,12 +2,16 @@ package datagramsession
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"io"
+	"net"
 	"time"
 
 	"github.com/google/uuid"
 	"github.com/rs/zerolog"
+
+	"github.com/cloudflare/cloudflared/packet"
 )
 
 const (
@@ -18,41 +22,33 @@ func SessionIdleErr(timeout time.Duration) error {
 	return fmt.Errorf("session idle for %v", timeout)
 }
 
+type transportSender func(session *packet.Session) error
+
+// ErrVithVariableSeverity are errors that have variable severity
+type ErrVithVariableSeverity interface {
+	error
+	// LogLevel return the severity of this error
+	LogLevel() zerolog.Level
+}
+
 // Session is a bidirectional pipe of datagrams between transport and dstConn
-// Currently the only implementation of transport is quic DatagramMuxer
 // Destination can be a connection with origin or with eyeball
 // When the destination is origin:
-// - Datagrams from edge are read by Manager from the transport. Manager finds the corresponding Session and calls the
-//   write method of the Session to send to origin
-// - Datagrams from origin are read from conn and SentTo transport. Transport will return them to eyeball
+// - Manager receives datagrams from receiveChan and calls the transportToDst method of the Session to send to origin
+// - Datagrams from origin are read from conn and Send to transport using the transportSender callback. Transport will return them to eyeball
 // When the destination is eyeball:
-// - Datagrams from eyeball are read from conn and SentTo transport. Transport will send them to cloudflared
-// - Datagrams from cloudflared are read by Manager from the transport. Manager finds the corresponding Session and calls the
-//   write method of the Session to send to eyeball
+// - Datagrams from eyeball are read from conn and Send to transport. Transport will send them to cloudflared using the transportSender callback.
+// - Manager receives datagrams from receiveChan and calls the transportToDst method of the Session to send to the eyeball
 type Session struct {
-	ID        uuid.UUID
-	transport transport
-	dstConn   io.ReadWriteCloser
+	ID       uuid.UUID
+	sendFunc transportSender
+	dstConn  io.ReadWriteCloser
 	// activeAtChan is used to communicate the last read/write time
 	activeAtChan chan time.Time
 	closeChan    chan error
 	log          *zerolog.Logger
 }
 
-func newSession(id uuid.UUID, transport transport, dstConn io.ReadWriteCloser, log *zerolog.Logger) *Session {
-	return &Session{
-		ID:        id,
-		transport: transport,
-		dstConn:   dstConn,
-		// activeAtChan has low capacity. It can be full when there are many concurrent read/write. markActive() will
-		// drop instead of blocking because last active time only needs to be an approximation
-		activeAtChan: make(chan time.Time, 2),
-		// capacity is 2 because close() and dstToTransport routine in Serve() can write to this channel
-		closeChan: make(chan error, 2),
-		log:       log,
-	}
-}
-
 func (s *Session) Serve(ctx context.Context, closeAfterIdle time.Duration) (closedByRemote bool, err error) {
 	go func() {
 		// QUIC implementation copies data to another buffer before returning https://github.com/lucas-clemente/quic-go/blob/v0.24.0/session.go#L1967-L1975
@@ -60,9 +56,20 @@ func (s *Session) Serve(ctx context.Context, closeAfterIdle time.Duration) (clos
 		const maxPacketSize = 1500
 		readBuffer := make([]byte, maxPacketSize)
 		for {
-			if err := s.dstToTransport(readBuffer); err != nil {
-				s.closeChan <- err
-				return
+			if closeSession, err := s.dstToTransport(readBuffer); err != nil {
+				if errors.Is(err, net.ErrClosed) {
+					s.log.Debug().Msg("Destination connection closed")
+				} else {
+					level := zerolog.ErrorLevel
+					if variableErr, ok := err.(ErrVithVariableSeverity); ok {
+						level = variableErr.LogLevel()
+					}
+					s.log.WithLevel(level).Err(err).Msg("Failed to send session payload from destination to transport")
+				}
+				if closeSession {
+					s.closeChan <- err
+					return
+				}
 			}
 		}
 	}()
@@ -103,32 +110,29 @@ func (s *Session) waitForCloseCondition(ctx context.Context, closeAfterIdle time
 	}
 }
 
-func (s *Session) dstToTransport(buffer []byte) error {
+func (s *Session) dstToTransport(buffer []byte) (closeSession bool, err error) {
 	n, err := s.dstConn.Read(buffer)
 	s.markActive()
 	// https://pkg.go.dev/io#Reader suggests caller should always process n > 0 bytes
-	if n > 0 {
-		if n <= int(s.transport.MTU()) {
-			err = s.transport.SendTo(s.ID, buffer[:n])
-		} else {
-			// drop packet for now, eventually reply with ICMP for PMTUD
-			s.log.Debug().
-				Str("session", s.ID.String()).
-				Int("len", n).
-				Int("mtu", s.transport.MTU()).
-				Msg("dropped packet exceeding MTU")
+	if n > 0 || err == nil {
+		session := packet.Session{
+			ID:      s.ID,
+			Payload: buffer[:n],
+		}
+		if sendErr := s.sendFunc(&session); sendErr != nil {
+			return false, sendErr
 		}
 	}
-	// Some UDP application might send 0-size payload.
-	if err == nil && n == 0 {
-		err = s.transport.SendTo(s.ID, []byte{})
-	}
-	return err
+	return err != nil, err
 }
 
 func (s *Session) transportToDst(payload []byte) (int, error) {
 	s.markActive()
-	return s.dstConn.Write(payload)
+	n, err := s.dstConn.Write(payload)
+	if err != nil {
+		s.log.Err(err).Msg("Failed to write payload to session")
+	}
+	return n, err
 }
 
 // Sends the last active time to the idle checker loop without blocking. activeAtChan will only be full when there

datagramsession/session_test.go

@@ -14,6 +14,8 @@ import (
 	"github.com/rs/zerolog"
 	"github.com/stretchr/testify/require"
 	"golang.org/x/sync/errgroup"
+
+	"github.com/cloudflare/cloudflared/packet"
 )
 
 // TestCloseSession makes sure a session will stop after context is done
@@ -41,12 +43,10 @@ func testSessionReturns(t *testing.T, closeBy closeMethod, closeAfterIdle time.D
 	sessionID := uuid.New()
 	cfdConn, originConn := net.Pipe()
 	payload := testPayload(sessionID)
-	transport := &mockQUICTransport{
-		reqChan:  newDatagramChannel(1),
-		respChan: newDatagramChannel(1),
-	}
+
 	log := zerolog.Nop()
-	session := newSession(sessionID, transport, cfdConn, &log)
+	mg := NewManager(&log, nil, nil)
+	session := mg.newSession(sessionID, cfdConn)
 
 	ctx, cancel := context.WithCancel(context.Background())
 	sessionDone := make(chan struct{})
@@ -117,12 +117,11 @@ func testActiveSessionNotClosed(t *testing.T, readFromDst bool, writeToDst bool)
 	sessionID := uuid.New()
 	cfdConn, originConn := net.Pipe()
 	payload := testPayload(sessionID)
-	transport := &mockQUICTransport{
-		reqChan:  newDatagramChannel(100),
-		respChan: newDatagramChannel(100),
-	}
-	log := zerolog.Nop()
-	session := newSession(sessionID, transport, cfdConn, &log)
+
+	respChan := make(chan *packet.Session)
+	sender := newMockTransportSender(sessionID, payload)
+	mg := NewManager(&nopLogger, sender.muxSession, respChan)
+	session := mg.newSession(sessionID, cfdConn)
 
 	startTime := time.Now()
 	activeUntil := startTime.Add(activeTime)
@@ -184,7 +183,8 @@ func testActiveSessionNotClosed(t *testing.T, readFromDst bool, writeToDst bool)
 
 func TestMarkActiveNotBlocking(t *testing.T) {
 	const concurrentCalls = 50
-	session := newSession(uuid.New(), nil, nil, nil)
+	mg := NewManager(&nopLogger, nil, nil)
+	session := mg.newSession(uuid.New(), nil)
 	var wg sync.WaitGroup
 	wg.Add(concurrentCalls)
 	for i := 0; i < concurrentCalls; i++ {
@@ -196,15 +196,17 @@ func TestMarkActiveNotBlocking(t *testing.T) {
 	wg.Wait()
 }
 
+// Some UDP application might send 0-size payload.
 func TestZeroBytePayload(t *testing.T) {
 	sessionID := uuid.New()
 	cfdConn, originConn := net.Pipe()
-	transport := &mockQUICTransport{
-		reqChan:  newDatagramChannel(1),
-		respChan: newDatagramChannel(1),
+
+	sender := sendOnceTransportSender{
+		baseSender: newMockTransportSender(sessionID, make([]byte, 0)),
+		sentChan:   make(chan struct{}),
 	}
-	log := zerolog.Nop()
-	session := newSession(sessionID, transport, cfdConn, &log)
+	mg := NewManager(&nopLogger, sender.muxSession, nil)
+	session := mg.newSession(sessionID, cfdConn)
 
 	ctx, cancel := context.WithCancel(context.Background())
 	errGroup, ctx := errgroup.WithContext(ctx)
@@ -224,11 +226,39 @@ func TestZeroBytePayload(t *testing.T) {
 		return nil
 	})
 
-	receivedSessionID, payload, err := transport.respChan.Receive(ctx)
-	require.NoError(t, err)
-	require.Len(t, payload, 0)
-	require.Equal(t, sessionID, receivedSessionID)
-
+	<-sender.sentChan
 	cancel()
 	require.NoError(t, errGroup.Wait())
 }
+
+type mockTransportSender struct {
+	expectedSessionID uuid.UUID
+	expectedPayload   []byte
+}
+
+func newMockTransportSender(expectedSessionID uuid.UUID, expectedPayload []byte) *mockTransportSender {
+	return &mockTransportSender{
+		expectedSessionID: expectedSessionID,
+		expectedPayload:   expectedPayload,
+	}
+}
+
+func (mts *mockTransportSender) muxSession(session *packet.Session) error {
+	if session.ID != mts.expectedSessionID {
+		return fmt.Errorf("Expect session %s, got %s", mts.expectedSessionID, session.ID)
+	}
+	if !bytes.Equal(session.Payload, mts.expectedPayload) {
+		return fmt.Errorf("Expect %v, read %v", mts.expectedPayload, session.Payload)
+	}
+	return nil
+}
+
+type sendOnceTransportSender struct {
+	baseSender *mockTransportSender
+	sentChan   chan struct{}
+}
+
+func (sots *sendOnceTransportSender) muxSession(session *packet.Session) error {
+	defer close(sots.sentChan)
+	return sots.baseSender.muxSession(session)
+}

datagramsession/transport.go

@@ -1,13 +0,0 @@
-package datagramsession
-
-import "github.com/google/uuid"
-
-// Transport is a connection between cloudflared and edge that can multiplex datagrams from multiple sessions
-type transport interface {
-	// SendTo writes payload for a session to the transport
-	SendTo(sessionID uuid.UUID, payload []byte) error
-	// ReceiveFrom reads the next datagram from the transport
-	ReceiveFrom() (uuid.UUID, []byte, error)
-	// Max transmission unit to receive from the transport
-	MTU() int
-}

datagramsession/transport_test.go

@@ -1,36 +0,0 @@
-package datagramsession
-
-import (
-	"context"
-
-	"github.com/google/uuid"
-)
-
-type mockQUICTransport struct {
-	reqChan  *datagramChannel
-	respChan *datagramChannel
-}
-
-func (mt *mockQUICTransport) SendTo(sessionID uuid.UUID, payload []byte) error {
-	buf := make([]byte, len(payload))
-	// The QUIC implementation copies data to another buffer before returning https://github.com/lucas-clemente/quic-go/blob/v0.24.0/session.go#L1967-L1975
-	copy(buf, payload)
-	return mt.respChan.Send(context.Background(), sessionID, buf)
-}
-
-func (mt *mockQUICTransport) ReceiveFrom() (uuid.UUID, []byte, error) {
-	return mt.reqChan.Receive(context.Background())
-}
-
-func (mt *mockQUICTransport) MTU() int {
-	return 1280
-}
-
-func (mt *mockQUICTransport) newRequest(ctx context.Context, sessionID uuid.UUID, payload []byte) error {
-	return mt.reqChan.Send(ctx, sessionID, payload)
-}
-
-func (mt *mockQUICTransport) close() {
-	mt.reqChan.Close()
-	mt.respChan.Close()
-}

dev.Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.17.5 as builder
+FROM golang:1.19 as builder
 ENV GO111MODULE=on \
     CGO_ENABLED=0
 WORKDIR /go/src/github.com/cloudflare/cloudflared/
@@ -6,4 +6,4 @@ RUN apt-get update
 COPY . .
 # compile cloudflared
 RUN make cloudflared
-RUN cp /go/src/github.com/cloudflare/cloudflared/cloudflared /usr/local/bin/
+RUN cp /go/src/github.com/cloudflare/cloudflared/cloudflared /usr/local/bin/

edgediscovery/allregions/address.go

@@ -0,0 +1,64 @@
+package allregions
+
+// Region contains cloudflared edge addresses. The edge is partitioned into several regions for
+// redundancy purposes.
+type AddrSet map[*EdgeAddr]UsedBy
+
+// AddrUsedBy finds the address used by the given connection in this region.
+// Returns nil if the connection isn't using any IP.
+func (a AddrSet) AddrUsedBy(connID int) *EdgeAddr {
+	for addr, used := range a {
+		if used.Used && used.ConnID == connID {
+			return addr
+		}
+	}
+	return nil
+}
+
+// AvailableAddrs counts how many unused addresses this region contains.
+func (a AddrSet) AvailableAddrs() int {
+	n := 0
+	for _, usedby := range a {
+		if !usedby.Used {
+			n++
+		}
+	}
+	return n
+}
+
+// GetUnusedIP returns a random unused address in this region.
+// Returns nil if all addresses are in use.
+func (a AddrSet) GetUnusedIP(excluding *EdgeAddr) *EdgeAddr {
+	for addr, usedby := range a {
+		if !usedby.Used && addr != excluding {
+			return addr
+		}
+	}
+	return nil
+}
+
+// Use the address, assigning it to a proxy connection.
+func (a AddrSet) Use(addr *EdgeAddr, connID int) {
+	if addr == nil {
+		return
+	}
+	a[addr] = InUse(connID)
+}
+
+// GetAnyAddress returns an arbitrary address from the region.
+func (a AddrSet) GetAnyAddress() *EdgeAddr {
+	for addr := range a {
+		return addr
+	}
+	return nil
+}
+
+// GiveBack the address, ensuring it is no longer assigned to an IP.
+// Returns true if the address is in this region.
+func (a AddrSet) GiveBack(addr *EdgeAddr) (ok bool) {
+	if _, ok := a[addr]; !ok {
+		return false
+	}
+	a[addr] = Unused()
+	return true
+}

edgediscovery/allregions/address_test.go

@@ -0,0 +1,247 @@
+package allregions
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestAddrSet_AddrUsedBy(t *testing.T) {
+	type args struct {
+		connID int
+	}
+	tests := []struct {
+		name    string
+		addrSet AddrSet
+		args    args
+		want    *EdgeAddr
+	}{
+		{
+			name: "happy trivial test",
+			addrSet: AddrSet{
+				&addr0: InUse(0),
+			},
+			args: args{connID: 0},
+			want: &addr0,
+		},
+		{
+			name: "sad trivial test",
+			addrSet: AddrSet{
+				&addr0: InUse(0),
+			},
+			args: args{connID: 1},
+			want: nil,
+		},
+		{
+			name: "sad test",
+			addrSet: AddrSet{
+				&addr0: InUse(0),
+				&addr1: InUse(1),
+				&addr2: InUse(2),
+			},
+			args: args{connID: 3},
+			want: nil,
+		},
+		{
+			name: "happy test",
+			addrSet: AddrSet{
+				&addr0: InUse(0),
+				&addr1: InUse(1),
+				&addr2: InUse(2),
+			},
+			args: args{connID: 1},
+			want: &addr1,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := tt.addrSet.AddrUsedBy(tt.args.connID); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("Region.AddrUsedBy() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestAddrSet_AvailableAddrs(t *testing.T) {
+	tests := []struct {
+		name    string
+		addrSet AddrSet
+		want    int
+	}{
+		{
+			name: "contains addresses",
+			addrSet: AddrSet{
+				&addr0: InUse(0),
+				&addr1: Unused(),
+				&addr2: InUse(2),
+			},
+			want: 1,
+		},
+		{
+			name: "all free",
+			addrSet: AddrSet{
+				&addr0: Unused(),
+				&addr1: Unused(),
+				&addr2: Unused(),
+			},
+			want: 3,
+		},
+		{
+			name: "all used",
+			addrSet: AddrSet{
+				&addr0: InUse(0),
+				&addr1: InUse(1),
+				&addr2: InUse(2),
+			},
+			want: 0,
+		},
+		{
+			name:    "empty",
+			addrSet: AddrSet{},
+			want:    0,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := tt.addrSet.AvailableAddrs(); got != tt.want {
+				t.Errorf("Region.AvailableAddrs() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestAddrSet_GetUnusedIP(t *testing.T) {
+	type args struct {
+		excluding *EdgeAddr
+	}
+	tests := []struct {
+		name    string
+		addrSet AddrSet
+		args    args
+		want    *EdgeAddr
+	}{
+		{
+			name: "happy test with excluding set",
+			addrSet: AddrSet{
+				&addr0: Unused(),
+				&addr1: Unused(),
+				&addr2: InUse(2),
+			},
+			args: args{excluding: &addr0},
+			want: &addr1,
+		},
+		{
+			name: "happy test with no excluding",
+			addrSet: AddrSet{
+				&addr0: InUse(0),
+				&addr1: Unused(),
+				&addr2: InUse(2),
+			},
+			args: args{excluding: nil},
+			want: &addr1,
+		},
+		{
+			name: "sad test with no excluding",
+			addrSet: AddrSet{
+				&addr0: InUse(0),
+				&addr1: InUse(1),
+				&addr2: InUse(2),
+			},
+			args: args{excluding: nil},
+			want: nil,
+		},
+		{
+			name: "sad test with excluding",
+			addrSet: AddrSet{
+				&addr0: Unused(),
+				&addr1: InUse(1),
+				&addr2: InUse(2),
+			},
+			args: args{excluding: &addr0},
+			want: nil,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := tt.addrSet.GetUnusedIP(tt.args.excluding); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("Region.GetUnusedIP() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestAddrSet_GiveBack(t *testing.T) {
+	type args struct {
+		addr *EdgeAddr
+	}
+	tests := []struct {
+		name           string
+		addrSet        AddrSet
+		args           args
+		wantOk         bool
+		availableAfter int
+	}{
+		{
+			name: "sad test with excluding",
+			addrSet: AddrSet{
+				&addr1: InUse(1),
+			},
+			args:           args{addr: &addr1},
+			wantOk:         true,
+			availableAfter: 1,
+		},
+		{
+			name: "sad test with excluding",
+			addrSet: AddrSet{
+				&addr1: InUse(1),
+			},
+			args:           args{addr: &addr2},
+			wantOk:         false,
+			availableAfter: 0,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if gotOk := tt.addrSet.GiveBack(tt.args.addr); gotOk != tt.wantOk {
+				t.Errorf("Region.GiveBack() = %v, want %v", gotOk, tt.wantOk)
+			}
+			if tt.availableAfter != tt.addrSet.AvailableAddrs() {
+				t.Errorf("Region.AvailableAddrs() = %v, want %v", tt.addrSet.AvailableAddrs(), tt.availableAfter)
+			}
+		})
+	}
+}
+
+func TestAddrSet_GetAnyAddress(t *testing.T) {
+	tests := []struct {
+		name    string
+		addrSet AddrSet
+		wantNil bool
+	}{
+		{
+			name:    "Sad test -- GetAnyAddress should only fail if the region is empty",
+			addrSet: AddrSet{},
+			wantNil: true,
+		},
+		{
+			name: "Happy test (all addresses unused)",
+			addrSet: AddrSet{
+				&addr0: Unused(),
+			},
+			wantNil: false,
+		},
+		{
+			name: "Happy test (GetAnyAddress can still return addresses used by proxy conns)",
+			addrSet: AddrSet{
+				&addr0: InUse(2),
+			},
+			wantNil: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := tt.addrSet.GetAnyAddress(); tt.wantNil != (got == nil) {
+				t.Errorf("Region.GetAnyAddress() = %v, but should it return nil? %v", got, tt.wantNil)
+			}
+		})
+	}
+}

edgediscovery/allregions/discovery.go

@@ -13,7 +13,7 @@ import (
 
 const (
 	// Used to discover HA origintunneld servers
-	srvService = "origintunneld"
+	srvService = "v2-origintunneld"
 	srvProto   = "tcp"
 	srvName    = "argotunnel.com"
 
@@ -32,20 +32,53 @@ var (
 	netLookupIP  = net.LookupIP
 )
 
+// ConfigIPVersion is the selection of IP versions from config
+type ConfigIPVersion int8
+
+const (
+	Auto     ConfigIPVersion = 2
+	IPv4Only ConfigIPVersion = 4
+	IPv6Only ConfigIPVersion = 6
+)
+
+// IPVersion is the IP version of an EdgeAddr
+type EdgeIPVersion int8
+
+const (
+	V4 EdgeIPVersion = 4
+	V6 EdgeIPVersion = 6
+)
+
+// String returns the enum's constant name.
+func (c EdgeIPVersion) String() string {
+	switch c {
+	case V4:
+		return "4"
+	case V6:
+		return "6"
+	default:
+		return ""
+	}
+}
+
 // EdgeAddr is a representation of possible ways to refer an edge location.
 type EdgeAddr struct {
-	TCP *net.TCPAddr
-	UDP *net.UDPAddr
+	TCP       *net.TCPAddr
+	UDP       *net.UDPAddr
+	IPVersion EdgeIPVersion
 }
 
 // If the call to net.LookupSRV fails, try to fall back to DoT from Cloudflare directly.
 //
 // Note: Instead of DoT, we could also have used DoH. Either of these:
-//     - directly via the JSON API (https://1.1.1.1/dns-query?ct=application/dns-json&name=_origintunneld._tcp.argotunnel.com&type=srv)
-//     - indirectly via `tunneldns.NewUpstreamHTTPS()`
+//   - directly via the JSON API (https://1.1.1.1/dns-query?ct=application/dns-json&name=_origintunneld._tcp.argotunnel.com&type=srv)
+//   - indirectly via `tunneldns.NewUpstreamHTTPS()`
+//
 // But both of these cases miss out on a key feature from the stdlib:
-//     "The returned records are sorted by priority and randomized by weight within a priority."
-//     (https://golang.org/pkg/net/#Resolver.LookupSRV)
+//
+//	"The returned records are sorted by priority and randomized by weight within a priority."
+//	(https://golang.org/pkg/net/#Resolver.LookupSRV)
+//
 // Does this matter? I don't know. It may someday. Let's use DoT so we don't need to worry about it.
 // See also: Go feature request for stdlib-supported DoH: https://github.com/golang/go/issues/27552
 var fallbackLookupSRV = lookupSRVWithDOT
@@ -85,6 +118,9 @@ func edgeDiscovery(log *zerolog.Logger, srvService string) ([][]*EdgeAddr, error
 		if err != nil {
 			return nil, err
 		}
+		for _, e := range edgeAddrs {
+			log.Debug().Msgf("Edge Address: %+v", *e)
+		}
 		resolvedAddrPerCNAME = append(resolvedAddrPerCNAME, edgeAddrs)
 	}
 
@@ -120,9 +156,14 @@ func resolveSRV(srv *net.SRV) ([]*EdgeAddr, error) {
 	}
 	addrs := make([]*EdgeAddr, len(ips))
 	for i, ip := range ips {
+		version := V6
+		if ip.To4() != nil {
+			version = V4
+		}
 		addrs[i] = &EdgeAddr{
-			TCP: &net.TCPAddr{IP: ip, Port: int(srv.Port)},
-			UDP: &net.UDPAddr{IP: ip, Port: int(srv.Port)},
+			TCP:       &net.TCPAddr{IP: ip, Port: int(srv.Port)},
+			UDP:       &net.UDPAddr{IP: ip, Port: int(srv.Port)},
+			IPVersion: version,
 		}
 	}
 	return addrs, nil
@@ -143,11 +184,15 @@ func ResolveAddrs(addrs []string, log *zerolog.Logger) (resolved []*EdgeAddr) {
 			log.Error().Str(logFieldAddress, addr).Err(err).Msg("failed to resolve to UDP address")
 			continue
 		}
+		version := V6
+		if udpAddr.IP.To4() != nil {
+			version = V4
+		}
 		resolved = append(resolved, &EdgeAddr{
-			TCP: tcpAddr,
-			UDP: udpAddr,
+			TCP:       tcpAddr,
+			UDP:       udpAddr,
+			IPVersion: version,
 		})
-
 	}
 	return
 }

edgediscovery/allregions/mocks_for_test.go

@@ -9,6 +9,115 @@ import (
 	"testing/quick"
 )
 
+var (
+	v4Addrs = []*EdgeAddr{&addr0, &addr1, &addr2, &addr3}
+	v6Addrs = []*EdgeAddr{&addr4, &addr5, &addr6, &addr7}
+	addr0   = EdgeAddr{
+		TCP: &net.TCPAddr{
+			IP:   net.ParseIP("123.4.5.0"),
+			Port: 8000,
+			Zone: "",
+		},
+		UDP: &net.UDPAddr{
+			IP:   net.ParseIP("123.4.5.0"),
+			Port: 8000,
+			Zone: "",
+		},
+		IPVersion: V4,
+	}
+	addr1 = EdgeAddr{
+		TCP: &net.TCPAddr{
+			IP:   net.ParseIP("123.4.5.1"),
+			Port: 8000,
+			Zone: "",
+		},
+		UDP: &net.UDPAddr{
+			IP:   net.ParseIP("123.4.5.1"),
+			Port: 8000,
+			Zone: "",
+		},
+		IPVersion: V4,
+	}
+	addr2 = EdgeAddr{
+		TCP: &net.TCPAddr{
+			IP:   net.ParseIP("123.4.5.2"),
+			Port: 8000,
+			Zone: "",
+		},
+		UDP: &net.UDPAddr{
+			IP:   net.ParseIP("123.4.5.2"),
+			Port: 8000,
+			Zone: "",
+		},
+		IPVersion: V4,
+	}
+	addr3 = EdgeAddr{
+		TCP: &net.TCPAddr{
+			IP:   net.ParseIP("123.4.5.3"),
+			Port: 8000,
+			Zone: "",
+		},
+		UDP: &net.UDPAddr{
+			IP:   net.ParseIP("123.4.5.3"),
+			Port: 8000,
+			Zone: "",
+		},
+		IPVersion: V4,
+	}
+	addr4 = EdgeAddr{
+		TCP: &net.TCPAddr{
+			IP:   net.ParseIP("2606:4700:a0::1"),
+			Port: 8000,
+			Zone: "",
+		},
+		UDP: &net.UDPAddr{
+			IP:   net.ParseIP("2606:4700:a0::1"),
+			Port: 8000,
+			Zone: "",
+		},
+		IPVersion: V6,
+	}
+	addr5 = EdgeAddr{
+		TCP: &net.TCPAddr{
+			IP:   net.ParseIP("2606:4700:a0::2"),
+			Port: 8000,
+			Zone: "",
+		},
+		UDP: &net.UDPAddr{
+			IP:   net.ParseIP("2606:4700:a0::2"),
+			Port: 8000,
+			Zone: "",
+		},
+		IPVersion: V6,
+	}
+	addr6 = EdgeAddr{
+		TCP: &net.TCPAddr{
+			IP:   net.ParseIP("2606:4700:a0::3"),
+			Port: 8000,
+			Zone: "",
+		},
+		UDP: &net.UDPAddr{
+			IP:   net.ParseIP("2606:4700:a0::3"),
+			Port: 8000,
+			Zone: "",
+		},
+		IPVersion: V6,
+	}
+	addr7 = EdgeAddr{
+		TCP: &net.TCPAddr{
+			IP:   net.ParseIP("2606:4700:a0::4"),
+			Port: 8000,
+			Zone: "",
+		},
+		UDP: &net.UDPAddr{
+			IP:   net.ParseIP("2606:4700:a0::4"),
+			Port: 8000,
+			Zone: "",
+		},
+		IPVersion: V6,
+	}
+)
+
 type mockAddrs struct {
 	// a set of synthetic SRV records
 	addrMap map[net.SRV][]*EdgeAddr
@@ -36,7 +145,7 @@ func newMockAddrs(port uint16, numRegions uint8, numAddrsPerRegion uint8) mockAd
 				IP:   net.ParseIP(fmt.Sprintf("10.0.%v.%v", r, a)),
 				Port: int(port),
 			}
-			addrs = append(addrs, &EdgeAddr{tcpAddr, udpAddr})
+			addrs = append(addrs, &EdgeAddr{tcpAddr, udpAddr, V4})
 		}
 		addrMap[srv] = addrs
 		numAddrs += len(addrs)

edgediscovery/allregions/region.go

@@ -1,79 +1,155 @@
 package allregions
 
+import "time"
+
+const (
+	timeoutDuration = 10 * time.Minute
+)
+
 // Region contains cloudflared edge addresses. The edge is partitioned into several regions for
 // redundancy purposes.
 type Region struct {
-	connFor map[*EdgeAddr]UsedBy
+	primaryIsActive bool
+	active          AddrSet
+	primary         AddrSet
+	secondary       AddrSet
+	primaryTimeout  time.Time
+	timeoutDuration time.Duration
 }
 
 // NewRegion creates a region with the given addresses, which are all unused.
-func NewRegion(addrs []*EdgeAddr) Region {
+func NewRegion(addrs []*EdgeAddr, overrideIPVersion ConfigIPVersion) Region {
 	// The zero value of UsedBy is Unused(), so we can just initialize the map's values with their
 	// zero values.
-	connFor := make(map[*EdgeAddr]UsedBy)
-	for _, addr := range addrs {
-		connFor[addr] = Unused()
+	connForv4 := make(AddrSet)
+	connForv6 := make(AddrSet)
+	systemPreference := V6
+	for i, addr := range addrs {
+		if i == 0 {
+			// First family of IPs returned is system preference of IP
+			systemPreference = addr.IPVersion
+		}
+		switch addr.IPVersion {
+		case V4:
+			connForv4[addr] = Unused()
+		case V6:
+			connForv6[addr] = Unused()
+		}
 	}
+
+	// Process as system preference
+	var primary AddrSet
+	var secondary AddrSet
+	switch systemPreference {
+	case V4:
+		primary = connForv4
+		secondary = connForv6
+	case V6:
+		primary = connForv6
+		secondary = connForv4
+	}
+
+	// Override with provided preference
+	switch overrideIPVersion {
+	case IPv4Only:
+		primary = connForv4
+		secondary = make(AddrSet) // empty
+	case IPv6Only:
+		primary = connForv6
+		secondary = make(AddrSet) // empty
+	case Auto:
+		// no change
+	default:
+		// no change
+	}
+
 	return Region{
-		connFor: connFor,
+		primaryIsActive: true,
+		active:          primary,
+		primary:         primary,
+		secondary:       secondary,
+		timeoutDuration: timeoutDuration,
 	}
 }
 
 // AddrUsedBy finds the address used by the given connection in this region.
 // Returns nil if the connection isn't using any IP.
 func (r *Region) AddrUsedBy(connID int) *EdgeAddr {
-	for addr, used := range r.connFor {
-		if used.Used && used.ConnID == connID {
-			return addr
-		}
+	edgeAddr := r.primary.AddrUsedBy(connID)
+	if edgeAddr == nil {
+		edgeAddr = r.secondary.AddrUsedBy(connID)
 	}
-	return nil
+	return edgeAddr
 }
 
 // AvailableAddrs counts how many unused addresses this region contains.
 func (r Region) AvailableAddrs() int {
-	n := 0
-	for _, usedby := range r.connFor {
-		if !usedby.Used {
-			n++
-		}
-	}
-	return n
+	return r.active.AvailableAddrs()
 }
 
-// GetUnusedIP returns a random unused address in this region.
-// Returns nil if all addresses are in use.
-func (r Region) GetUnusedIP(excluding *EdgeAddr) *EdgeAddr {
-	for addr, usedby := range r.connFor {
-		if !usedby.Used && addr != excluding {
-			return addr
-		}
-	}
-	return nil
-}
-
-// Use the address, assigning it to a proxy connection.
-func (r Region) Use(addr *EdgeAddr, connID int) {
-	if addr == nil {
-		return
-	}
-	r.connFor[addr] = InUse(connID)
-}
-
-// GetAnyAddress returns an arbitrary address from the region.
-func (r Region) GetAnyAddress() *EdgeAddr {
-	for addr := range r.connFor {
+// AssignAnyAddress returns a random unused address in this region now
+// assigned to the connID excluding the provided EdgeAddr.
+// Returns nil if all addresses are in use for the region.
+func (r Region) AssignAnyAddress(connID int, excluding *EdgeAddr) *EdgeAddr {
+	if addr := r.active.GetUnusedIP(excluding); addr != nil {
+		r.active.Use(addr, connID)
 		return addr
 	}
 	return nil
 }
 
+// GetAnyAddress returns an arbitrary address from the region.
+func (r Region) GetAnyAddress() *EdgeAddr {
+	return r.active.GetAnyAddress()
+}
+
 // GiveBack the address, ensuring it is no longer assigned to an IP.
 // Returns true if the address is in this region.
-func (r Region) GiveBack(addr *EdgeAddr) (ok bool) {
-	if _, ok := r.connFor[addr]; !ok {
-		return false
+func (r *Region) GiveBack(addr *EdgeAddr, hasConnectivityError bool) (ok bool) {
+	if ok = r.primary.GiveBack(addr); !ok {
+		// Attempt to give back the address in the secondary set
+		if ok = r.secondary.GiveBack(addr); !ok {
+			// Address is not in this region
+			return
+		}
 	}
-	r.connFor[addr] = Unused()
-	return true
+
+	// No connectivity error: no worry
+	if !hasConnectivityError {
+		return
+	}
+
+	// If using primary and returned address is IPv6 and secondary is available
+	if r.primaryIsActive && addr.IPVersion == V6 && len(r.secondary) > 0 {
+		r.active = r.secondary
+		r.primaryIsActive = false
+		r.primaryTimeout = time.Now().Add(r.timeoutDuration)
+		return
+	}
+
+	// Do nothing for IPv4 or if secondary is empty
+	if r.primaryIsActive {
+		return
+	}
+
+	// Immediately return to primary pool, regardless of current primary timeout
+	if addr.IPVersion == V4 {
+		activatePrimary(r)
+		return
+	}
+
+	// Timeout exceeded and can be reset to primary pool
+	if r.primaryTimeout.Before(time.Now()) {
+		activatePrimary(r)
+		return
+	}
+
+	return
+}
+
+// activatePrimary sets the primary set to the active set and resets the timeout.
+func activatePrimary(r *Region) {
+	r.active = r.primary
+	r.primaryIsActive = true
+	r.primaryTimeout = time.Now() // reset timeout
 }

edgediscovery/allregions/region_test.go

@@ -1,284 +1,357 @@
 package allregions
 
 import (
-	"reflect"
+	"net"
 	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
 )
 
+func makeAddrSet(addrs []*EdgeAddr) AddrSet {
+	addrSet := make(AddrSet, len(addrs))
+	for _, addr := range addrs {
+		addrSet[addr] = Unused()
+	}
+	return addrSet
+}
+
 func TestRegion_New(t *testing.T) {
-	r := NewRegion([]*EdgeAddr{&addr0, &addr1, &addr2})
-	if r.AvailableAddrs() != 3 {
-		t.Errorf("r.AvailableAddrs() == %v but want 3", r.AvailableAddrs())
-	}
-}
-
-func TestRegion_AddrUsedBy(t *testing.T) {
-	type fields struct {
-		connFor map[*EdgeAddr]UsedBy
-	}
-	type args struct {
-		connID int
-	}
 	tests := []struct {
-		name   string
-		fields fields
-		args   args
-		want   *EdgeAddr
+		name          string
+		addrs         []*EdgeAddr
+		mode          ConfigIPVersion
+		expectedAddrs int
+		primary       AddrSet
+		secondary     AddrSet
 	}{
 		{
-			name: "happy trivial test",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{
-				&addr0: InUse(0),
-			}},
-			args: args{connID: 0},
-			want: &addr0,
+			name:          "IPv4 addresses with IPv4Only",
+			addrs:         v4Addrs,
+			mode:          IPv4Only,
+			expectedAddrs: len(v4Addrs),
+			primary:       makeAddrSet(v4Addrs),
+			secondary:     AddrSet{},
 		},
 		{
-			name: "sad trivial test",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{
-				&addr0: InUse(0),
-			}},
-			args: args{connID: 1},
-			want: nil,
+			name:          "IPv6 addresses with IPv4Only",
+			addrs:         v6Addrs,
+			mode:          IPv4Only,
+			expectedAddrs: 0,
+			primary:       AddrSet{},
+			secondary:     AddrSet{},
 		},
 		{
-			name: "sad test",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{
-				&addr0: InUse(0),
-				&addr1: InUse(1),
-				&addr2: InUse(2),
-			}},
-			args: args{connID: 3},
-			want: nil,
+			name:          "IPv6 addresses with IPv6Only",
+			addrs:         v6Addrs,
+			mode:          IPv6Only,
+			expectedAddrs: len(v6Addrs),
+			primary:       makeAddrSet(v6Addrs),
+			secondary:     AddrSet{},
 		},
 		{
-			name: "happy test",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{
-				&addr0: InUse(0),
-				&addr1: InUse(1),
-				&addr2: InUse(2),
-			}},
-			args: args{connID: 1},
-			want: &addr1,
+			name:          "IPv6 addresses with IPv4Only",
+			addrs:         v6Addrs,
+			mode:          IPv4Only,
+			expectedAddrs: 0,
+			primary:       AddrSet{},
+			secondary:     AddrSet{},
+		},
+		{
+			name:          "IPv4 (first) and IPv6 addresses with Auto",
+			addrs:         append(v4Addrs, v6Addrs...),
+			mode:          Auto,
+			expectedAddrs: len(v4Addrs),
+			primary:       makeAddrSet(v4Addrs),
+			secondary:     makeAddrSet(v6Addrs),
+		},
+		{
+			name:          "IPv6 (first) and IPv4 addresses with Auto",
+			addrs:         append(v6Addrs, v4Addrs...),
+			mode:          Auto,
+			expectedAddrs: len(v6Addrs),
+			primary:       makeAddrSet(v6Addrs),
+			secondary:     makeAddrSet(v4Addrs),
+		},
+		{
+			name:          "IPv4 addresses with Auto",
+			addrs:         v4Addrs,
+			mode:          Auto,
+			expectedAddrs: len(v4Addrs),
+			primary:       makeAddrSet(v4Addrs),
+			secondary:     AddrSet{},
+		},
+		{
+			name:          "IPv6 addresses with Auto",
+			addrs:         v6Addrs,
+			mode:          Auto,
+			expectedAddrs: len(v6Addrs),
+			primary:       makeAddrSet(v6Addrs),
+			secondary:     AddrSet{},
 		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			r := &Region{
-				connFor: tt.fields.connFor,
+			r := NewRegion(tt.addrs, tt.mode)
+			assert.Equal(t, tt.expectedAddrs, r.AvailableAddrs())
+			assert.Equal(t, tt.primary, r.primary)
+			assert.Equal(t, tt.secondary, r.secondary)
+		})
+	}
+}
+
+func TestRegion_AnyAddress_EmptyActiveSet(t *testing.T) {
+	tests := []struct {
+		name  string
+		addrs []*EdgeAddr
+		mode  ConfigIPVersion
+	}{
+		{
+			name:  "IPv6 addresses with IPv4Only",
+			addrs: v6Addrs,
+			mode:  IPv4Only,
+		},
+		{
+			name:  "IPv4 addresses with IPv6Only",
+			addrs: v4Addrs,
+			mode:  IPv6Only,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			r := NewRegion(tt.addrs, tt.mode)
+			addr := r.GetAnyAddress()
+			assert.Nil(t, addr)
+			addr = r.AssignAnyAddress(0, nil)
+			assert.Nil(t, addr)
+		})
+	}
+}
+
+func TestRegion_AssignAnyAddress_FullyUsedActiveSet(t *testing.T) {
+	tests := []struct {
+		name  string
+		addrs []*EdgeAddr
+		mode  ConfigIPVersion
+	}{
+		{
+			name:  "IPv6 addresses with IPv6Only",
+			addrs: v6Addrs,
+			mode:  IPv6Only,
+		},
+		{
+			name:  "IPv4 addresses with IPv4Only",
+			addrs: v4Addrs,
+			mode:  IPv4Only,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			r := NewRegion(tt.addrs, tt.mode)
+			total := r.active.AvailableAddrs()
+			for i := 0; i < total; i++ {
+				addr := r.AssignAnyAddress(i, nil)
+				assert.NotNil(t, addr)
 			}
-			if got := r.AddrUsedBy(tt.args.connID); !reflect.DeepEqual(got, tt.want) {
-				t.Errorf("Region.AddrUsedBy() = %v, want %v", got, tt.want)
+			addr := r.AssignAnyAddress(9, nil)
+			assert.Nil(t, addr)
+		})
+	}
+}
+
+var giveBackTests = []struct {
+	name          string
+	addrs         []*EdgeAddr
+	mode          ConfigIPVersion
+	expectedAddrs int
+	primary       AddrSet
+	secondary     AddrSet
+	primarySwap   bool
+}{
+	{
+		name:          "IPv4 addresses with IPv4Only",
+		addrs:         v4Addrs,
+		mode:          IPv4Only,
+		expectedAddrs: len(v4Addrs),
+		primary:       makeAddrSet(v4Addrs),
+		secondary:     AddrSet{},
+		primarySwap:   false,
+	},
+	{
+		name:          "IPv6 addresses with IPv6Only",
+		addrs:         v6Addrs,
+		mode:          IPv6Only,
+		expectedAddrs: len(v6Addrs),
+		primary:       makeAddrSet(v6Addrs),
+		secondary:     AddrSet{},
+		primarySwap:   false,
+	},
+	{
+		name:          "IPv4 (first) and IPv6 addresses with Auto",
+		addrs:         append(v4Addrs, v6Addrs...),
+		mode:          Auto,
+		expectedAddrs: len(v4Addrs),
+		primary:       makeAddrSet(v4Addrs),
+		secondary:     makeAddrSet(v6Addrs),
+		primarySwap:   false,
+	},
+	{
+		name:          "IPv6 (first) and IPv4 addresses with Auto",
+		addrs:         append(v6Addrs, v4Addrs...),
+		mode:          Auto,
+		expectedAddrs: len(v6Addrs),
+		primary:       makeAddrSet(v6Addrs),
+		secondary:     makeAddrSet(v4Addrs),
+		primarySwap:   true,
+	},
+	{
+		name:          "IPv4 addresses with Auto",
+		addrs:         v4Addrs,
+		mode:          Auto,
+		expectedAddrs: len(v4Addrs),
+		primary:       makeAddrSet(v4Addrs),
+		secondary:     AddrSet{},
+		primarySwap:   false,
+	},
+	{
+		name:          "IPv6 addresses with Auto",
+		addrs:         v6Addrs,
+		mode:          Auto,
+		expectedAddrs: len(v6Addrs),
+		primary:       makeAddrSet(v6Addrs),
+		secondary:     AddrSet{},
+		primarySwap:   false,
+	},
+}
+
+func TestRegion_GiveBack_NoConnectivityError(t *testing.T) {
+	for _, tt := range giveBackTests {
+		t.Run(tt.name, func(t *testing.T) {
+			r := NewRegion(tt.addrs, tt.mode)
+			addr := r.AssignAnyAddress(0, nil)
+			assert.NotNil(t, addr)
+			assert.True(t, r.GiveBack(addr, false))
+		})
+	}
+}
+
+func TestRegion_GiveBack_ForeignAddr(t *testing.T) {
+	invalid := EdgeAddr{
+		TCP: &net.TCPAddr{
+			IP:   net.ParseIP("123.4.5.0"),
+			Port: 8000,
+			Zone: "",
+		},
+		UDP: &net.UDPAddr{
+			IP:   net.ParseIP("123.4.5.0"),
+			Port: 8000,
+			Zone: "",
+		},
+		IPVersion: V4,
+	}
+	for _, tt := range giveBackTests {
+		t.Run(tt.name, func(t *testing.T) {
+			r := NewRegion(tt.addrs, tt.mode)
+			assert.False(t, r.GiveBack(&invalid, false))
+			assert.False(t, r.GiveBack(&invalid, true))
+		})
+	}
+}
+
+func TestRegion_GiveBack_SwapPrimary(t *testing.T) {
+	for _, tt := range giveBackTests {
+		t.Run(tt.name, func(t *testing.T) {
+			r := NewRegion(tt.addrs, tt.mode)
+			addr := r.AssignAnyAddress(0, nil)
+			assert.NotNil(t, addr)
+			assert.True(t, r.GiveBack(addr, true))
+			assert.Equal(t, tt.primarySwap, !r.primaryIsActive)
+			if tt.primarySwap {
+				assert.Equal(t, r.secondary, r.active)
+				assert.False(t, r.primaryTimeout.IsZero())
+			} else {
+				assert.Equal(t, r.primary, r.active)
+				assert.True(t, r.primaryTimeout.IsZero())
 			}
 		})
 	}
 }
 
-func TestRegion_AvailableAddrs(t *testing.T) {
-	type fields struct {
-		connFor map[*EdgeAddr]UsedBy
-	}
-	tests := []struct {
-		name   string
-		fields fields
-		want   int
-	}{
-		{
-			name: "contains addresses",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{
-				&addr0: InUse(0),
-				&addr1: Unused(),
-				&addr2: InUse(2),
-			}},
-			want: 1,
-		},
-		{
-			name: "all free",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{
-				&addr0: Unused(),
-				&addr1: Unused(),
-				&addr2: Unused(),
-			}},
-			want: 3,
-		},
-		{
-			name: "all used",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{
-				&addr0: InUse(0),
-				&addr1: InUse(1),
-				&addr2: InUse(2),
-			}},
-			want: 0,
-		},
-		{
-			name:   "empty",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{}},
-			want:   0,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			r := Region{
-				connFor: tt.fields.connFor,
-			}
-			if got := r.AvailableAddrs(); got != tt.want {
-				t.Errorf("Region.AvailableAddrs() = %v, want %v", got, tt.want)
-			}
-		})
-	}
+func TestRegion_GiveBack_IPv4_ResetPrimary(t *testing.T) {
+	r := NewRegion(append(v6Addrs, v4Addrs...), Auto)
+	// Exhaust all IPv6 addresses
+	a0 := r.AssignAnyAddress(0, nil)
+	a1 := r.AssignAnyAddress(1, nil)
+	a2 := r.AssignAnyAddress(2, nil)
+	a3 := r.AssignAnyAddress(3, nil)
+	assert.NotNil(t, a0)
+	assert.NotNil(t, a1)
+	assert.NotNil(t, a2)
+	assert.NotNil(t, a3)
+	// Give back the first IPv6 address to fallback to secondary IPv4 address set
+	assert.True(t, r.GiveBack(a0, true))
+	assert.False(t, r.primaryIsActive)
+	// Give back another IPv6 address
+	assert.True(t, r.GiveBack(a1, true))
+	// Primary shouldn't change
+	assert.False(t, r.primaryIsActive)
+	// Request an address (should be IPv4 from secondary)
+	a4_v4 := r.AssignAnyAddress(4, nil)
+	assert.NotNil(t, a4_v4)
+	assert.Equal(t, V4, a4_v4.IPVersion)
+	a5_v4 := r.AssignAnyAddress(5, nil)
+	assert.NotNil(t, a5_v4)
+	assert.Equal(t, V4, a5_v4.IPVersion)
+	a6_v4 := r.AssignAnyAddress(6, nil)
+	assert.NotNil(t, a6_v4)
+	assert.Equal(t, V4, a6_v4.IPVersion)
+	// Return IPv4 address (without failure)
+	// Primary shouldn't change because it is not a connectivity failure
+	assert.True(t, r.GiveBack(a4_v4, false))
+	assert.False(t, r.primaryIsActive)
+	// Return IPv4 address (with failure)
+	// Primary should change because it is a connectivity failure
+	assert.True(t, r.GiveBack(a5_v4, true))
+	assert.True(t, r.primaryIsActive)
+	// Return IPv4 address (with failure)
+	// Primary shouldn't change because the address is returned to the inactive
+	// secondary address set
+	assert.True(t, r.GiveBack(a6_v4, true))
+	assert.True(t, r.primaryIsActive)
+	// Return IPv6 address (without failure)
+	// Primary shoudn't change because it is not a connectivity failure
+	assert.True(t, r.GiveBack(a2, false))
+	assert.True(t, r.primaryIsActive)
 }
 
-func TestRegion_GetUnusedIP(t *testing.T) {
-	type fields struct {
-		connFor map[*EdgeAddr]UsedBy
-	}
-	type args struct {
-		excluding *EdgeAddr
-	}
-	tests := []struct {
-		name   string
-		fields fields
-		args   args
-		want   *EdgeAddr
-	}{
-		{
-			name: "happy test with excluding set",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{
-				&addr0: Unused(),
-				&addr1: Unused(),
-				&addr2: InUse(2),
-			}},
-			args: args{excluding: &addr0},
-			want: &addr1,
-		},
-		{
-			name: "happy test with no excluding",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{
-				&addr0: InUse(0),
-				&addr1: Unused(),
-				&addr2: InUse(2),
-			}},
-			args: args{excluding: nil},
-			want: &addr1,
-		},
-		{
-			name: "sad test with no excluding",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{
-				&addr0: InUse(0),
-				&addr1: InUse(1),
-				&addr2: InUse(2),
-			}},
-			args: args{excluding: nil},
-			want: nil,
-		},
-		{
-			name: "sad test with excluding",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{
-				&addr0: Unused(),
-				&addr1: InUse(1),
-				&addr2: InUse(2),
-			}},
-			args: args{excluding: &addr0},
-			want: nil,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			r := Region{
-				connFor: tt.fields.connFor,
-			}
-			if got := r.GetUnusedIP(tt.args.excluding); !reflect.DeepEqual(got, tt.want) {
-				t.Errorf("Region.GetUnusedIP() = %v, want %v", got, tt.want)
-			}
-		})
-	}
-}
-
-func TestRegion_GiveBack(t *testing.T) {
-	type fields struct {
-		connFor map[*EdgeAddr]UsedBy
-	}
-	type args struct {
-		addr *EdgeAddr
-	}
-	tests := []struct {
-		name           string
-		fields         fields
-		args           args
-		wantOk         bool
-		availableAfter int
-	}{
-		{
-			name: "sad test with excluding",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{
-				&addr1: InUse(1),
-			}},
-			args:           args{addr: &addr1},
-			wantOk:         true,
-			availableAfter: 1,
-		},
-		{
-			name: "sad test with excluding",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{
-				&addr1: InUse(1),
-			}},
-			args:           args{addr: &addr2},
-			wantOk:         false,
-			availableAfter: 0,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			r := Region{
-				connFor: tt.fields.connFor,
-			}
-			if gotOk := r.GiveBack(tt.args.addr); gotOk != tt.wantOk {
-				t.Errorf("Region.GiveBack() = %v, want %v", gotOk, tt.wantOk)
-			}
-			if tt.availableAfter != r.AvailableAddrs() {
-				t.Errorf("Region.AvailableAddrs() = %v, want %v", r.AvailableAddrs(), tt.availableAfter)
-			}
-		})
-	}
-}
-
-func TestRegion_GetAnyAddress(t *testing.T) {
-	type fields struct {
-		connFor map[*EdgeAddr]UsedBy
-	}
-	tests := []struct {
-		name    string
-		fields  fields
-		wantNil bool
-	}{
-		{
-			name:    "Sad test -- GetAnyAddress should only fail if the region is empty",
-			fields:  fields{connFor: map[*EdgeAddr]UsedBy{}},
-			wantNil: true,
-		},
-		{
-			name: "Happy test (all addresses unused)",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{
-				&addr0: Unused(),
-			}},
-			wantNil: false,
-		},
-		{
-			name: "Happy test (GetAnyAddress can still return addresses used by proxy conns)",
-			fields: fields{connFor: map[*EdgeAddr]UsedBy{
-				&addr0: InUse(2),
-			}},
-			wantNil: false,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			r := Region{
-				connFor: tt.fields.connFor,
-			}
-			if got := r.GetAnyAddress(); tt.wantNil != (got == nil) {
-				t.Errorf("Region.GetAnyAddress() = %v, but should it return nil? %v", got, tt.wantNil)
-			}
-		})
-	}
+func TestRegion_GiveBack_Timeout(t *testing.T) {
+	r := NewRegion(append(v6Addrs, v4Addrs...), Auto)
+	a0 := r.AssignAnyAddress(0, nil)
+	a1 := r.AssignAnyAddress(1, nil)
+	a2 := r.AssignAnyAddress(2, nil)
+	assert.NotNil(t, a0)
+	assert.NotNil(t, a1)
+	assert.NotNil(t, a2)
+	// Give back IPv6 address to set timeout
+	assert.True(t, r.GiveBack(a0, true))
+	assert.False(t, r.primaryIsActive)
+	assert.False(t, r.primaryTimeout.IsZero())
+	// Request an address (should be IPv4 from secondary)
+	a3_v4 := r.AssignAnyAddress(3, nil)
+	assert.NotNil(t, a3_v4)
+	assert.Equal(t, V4, a3_v4.IPVersion)
+	assert.False(t, r.primaryIsActive)
+	// Give back IPv6 address inside timeout (no change)
+	assert.True(t, r.GiveBack(a2, true))
+	assert.False(t, r.primaryIsActive)
+	assert.False(t, r.primaryTimeout.IsZero())
+	// Accelerate timeout
+	r.primaryTimeout = time.Now().Add(-time.Minute)
+	// Return IPv6 address
+	assert.True(t, r.GiveBack(a1, true))
+	assert.True(t, r.primaryIsActive)
+	// Returning an IPv4 address after primary is active shouldn't change primary
+	// even with a connectivity error
+	assert.True(t, r.GiveBack(a3_v4, true))
+	assert.True(t, r.primaryIsActive)
 }

edgediscovery/allregions/regions.go

@@ -2,6 +2,7 @@ package allregions
 
 import (
 	"fmt"
+	"math/rand"
 
 	"github.com/rs/zerolog"
 )
@@ -18,7 +19,7 @@ type Regions struct {
 // ------------------------------------
 
 // ResolveEdge resolves the Cloudflare edge, returning all regions discovered.
-func ResolveEdge(log *zerolog.Logger, region string) (*Regions, error) {
+func ResolveEdge(log *zerolog.Logger, region string, overrideIPVersion ConfigIPVersion) (*Regions, error) {
 	edgeAddrs, err := edgeDiscovery(log, getRegionalServiceName(region))
 	if err != nil {
 		return nil, err
@@ -27,8 +28,8 @@ func ResolveEdge(log *zerolog.Logger, region string) (*Regions, error) {
 		return nil, fmt.Errorf("expected at least 2 Cloudflare Regions regions, but SRV only returned %v", len(edgeAddrs))
 	}
 	return &Regions{
-		region1: NewRegion(edgeAddrs[0]),
-		region2: NewRegion(edgeAddrs[1]),
+		region1: NewRegion(edgeAddrs[0], overrideIPVersion),
+		region2: NewRegion(edgeAddrs[1], overrideIPVersion),
 	}, nil
 }
 
@@ -56,8 +57,8 @@ func NewNoResolve(addrs []*EdgeAddr) *Regions {
 	}
 
 	return &Regions{
-		region1: NewRegion(region1),
-		region2: NewRegion(region2),
+		region1: NewRegion(region1, Auto),
+		region2: NewRegion(region2, Auto),
 	}
 }
 
@@ -85,6 +86,15 @@ func (rs *Regions) AddrUsedBy(connID int) *EdgeAddr {
 // GetUnusedAddr gets an unused addr from the edge, excluding the given addr. Prefer to use addresses
 // evenly across both regions.
 func (rs *Regions) GetUnusedAddr(excluding *EdgeAddr, connID int) *EdgeAddr {
+	// If both regions have the same number of available addrs, lets randomise which one
+	// we pick. The rest of this algorithm will continue to make sure we always use addresses
+	// evenly across both regions.
+	if rs.region1.AvailableAddrs() == rs.region2.AvailableAddrs() {
+		regions := []Region{rs.region1, rs.region2}
+		firstChoice := rand.Intn(2)
+		return getAddrs(excluding, connID, &regions[firstChoice], &regions[1-firstChoice])
+	}
+
 	if rs.region1.AvailableAddrs() > rs.region2.AvailableAddrs() {
 		return getAddrs(excluding, connID, &rs.region1, &rs.region2)
 	}
@@ -95,14 +105,12 @@ func (rs *Regions) GetUnusedAddr(excluding *EdgeAddr, connID int) *EdgeAddr {
 // getAddrs tries to grab address form `first` region, then `second` region
 // this is an unrolled loop over 2 element array
 func getAddrs(excluding *EdgeAddr, connID int, first *Region, second *Region) *EdgeAddr {
-	addr := first.GetUnusedIP(excluding)
+	addr := first.AssignAnyAddress(connID, excluding)
 	if addr != nil {
-		first.Use(addr, connID)
 		return addr
 	}
-	addr = second.GetUnusedIP(excluding)
+	addr = second.AssignAnyAddress(connID, excluding)
 	if addr != nil {
-		second.Use(addr, connID)
 		return addr
 	}
 
@@ -116,18 +124,18 @@ func (rs *Regions) AvailableAddrs() int {
 
 // GiveBack the address so that other connections can use it.
 // Returns true if the address is in this edge.
-func (rs *Regions) GiveBack(addr *EdgeAddr) bool {
-	if found := rs.region1.GiveBack(addr); found {
+func (rs *Regions) GiveBack(addr *EdgeAddr, hasConnectivityError bool) bool {
+	if found := rs.region1.GiveBack(addr, hasConnectivityError); found {
 		return found
 	}
-	return rs.region2.GiveBack(addr)
+	return rs.region2.GiveBack(addr, hasConnectivityError)
 }
 
 // Return regionalized service name if `region` isn't empty, otherwise return the global service name for origintunneld
 func getRegionalServiceName(region string) string {
 	if region != "" {
-		return region + "-" + srvService // Example: `us-origintunneld`
+		return region + "-" + srvService // Example: `us-v2-origintunneld`
 	}
 
-	return srvService // Global service is just `origintunneld`
+	return srvService // Global service is just `v2-origintunneld`
 }

edgediscovery/allregions/regions_test.go

@@ -1,134 +1,215 @@
 package allregions
 
 import (
-	"net"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
 )
 
-var (
-	addr0 = EdgeAddr{
-		TCP: &net.TCPAddr{
-			IP:   net.ParseIP("123.4.5.0"),
-			Port: 8000,
-			Zone: "",
-		},
-		UDP: &net.UDPAddr{
-			IP:   net.ParseIP("123.4.5.0"),
-			Port: 8000,
-			Zone: "",
-		},
+func makeRegions(addrs []*EdgeAddr, mode ConfigIPVersion) Regions {
+	r1addrs := make([]*EdgeAddr, 0)
+	r2addrs := make([]*EdgeAddr, 0)
+	for i, addr := range addrs {
+		if i%2 == 0 {
+			r1addrs = append(r1addrs, addr)
+		} else {
+			r2addrs = append(r2addrs, addr)
+		}
 	}
-	addr1 = EdgeAddr{
-		TCP: &net.TCPAddr{
-			IP:   net.ParseIP("123.4.5.1"),
-			Port: 8000,
-			Zone: "",
-		},
-		UDP: &net.UDPAddr{
-			IP:   net.ParseIP("123.4.5.1"),
-			Port: 8000,
-			Zone: "",
-		},
-	}
-	addr2 = EdgeAddr{
-		TCP: &net.TCPAddr{
-			IP:   net.ParseIP("123.4.5.2"),
-			Port: 8000,
-			Zone: "",
-		},
-		UDP: &net.UDPAddr{
-			IP:   net.ParseIP("123.4.5.2"),
-			Port: 8000,
-			Zone: "",
-		},
-	}
-	addr3 = EdgeAddr{
-		TCP: &net.TCPAddr{
-			IP:   net.ParseIP("123.4.5.3"),
-			Port: 8000,
-			Zone: "",
-		},
-		UDP: &net.UDPAddr{
-			IP:   net.ParseIP("123.4.5.3"),
-			Port: 8000,
-			Zone: "",
-		},
-	}
-)
-
-func makeRegions() Regions {
-	r1 := NewRegion([]*EdgeAddr{&addr0, &addr1})
-	r2 := NewRegion([]*EdgeAddr{&addr2, &addr3})
+	r1 := NewRegion(r1addrs, mode)
+	r2 := NewRegion(r2addrs, mode)
 	return Regions{region1: r1, region2: r2}
 }
 
 func TestRegions_AddrUsedBy(t *testing.T) {
-	rs := makeRegions()
-	addr1 := rs.GetUnusedAddr(nil, 1)
-	assert.Equal(t, addr1, rs.AddrUsedBy(1))
-	addr2 := rs.GetUnusedAddr(nil, 2)
-	assert.Equal(t, addr2, rs.AddrUsedBy(2))
-	addr3 := rs.GetUnusedAddr(nil, 3)
-	assert.Equal(t, addr3, rs.AddrUsedBy(3))
+	tests := []struct {
+		name  string
+		addrs []*EdgeAddr
+		mode  ConfigIPVersion
+	}{
+		{
+			name:  "IPv4 addresses with IPv4Only",
+			addrs: v4Addrs,
+			mode:  IPv4Only,
+		},
+		{
+			name:  "IPv6 addresses with IPv6Only",
+			addrs: v6Addrs,
+			mode:  IPv6Only,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			rs := makeRegions(tt.addrs, tt.mode)
+			addr1 := rs.GetUnusedAddr(nil, 1)
+			assert.Equal(t, addr1, rs.AddrUsedBy(1))
+			addr2 := rs.GetUnusedAddr(nil, 2)
+			assert.Equal(t, addr2, rs.AddrUsedBy(2))
+			addr3 := rs.GetUnusedAddr(nil, 3)
+			assert.Equal(t, addr3, rs.AddrUsedBy(3))
+		})
+	}
 }
 
 func TestRegions_Giveback_Region1(t *testing.T) {
-	rs := makeRegions()
-	rs.region1.Use(&addr0, 0)
-	rs.region1.Use(&addr1, 1)
-	rs.region2.Use(&addr2, 2)
-	rs.region2.Use(&addr3, 3)
+	tests := []struct {
+		name  string
+		addrs []*EdgeAddr
+		mode  ConfigIPVersion
+	}{
+		{
+			name:  "IPv4 addresses with IPv4Only",
+			addrs: v4Addrs,
+			mode:  IPv4Only,
+		},
+		{
+			name:  "IPv6 addresses with IPv6Only",
+			addrs: v6Addrs,
+			mode:  IPv6Only,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			rs := makeRegions(tt.addrs, tt.mode)
+			addr := rs.region1.AssignAnyAddress(0, nil)
+			rs.region1.AssignAnyAddress(1, nil)
+			rs.region2.AssignAnyAddress(2, nil)
+			rs.region2.AssignAnyAddress(3, nil)
 
-	assert.Equal(t, 0, rs.AvailableAddrs())
+			assert.Equal(t, 0, rs.AvailableAddrs())
 
-	rs.GiveBack(&addr0)
-	assert.Equal(t, &addr0, rs.GetUnusedAddr(nil, 3))
+			rs.GiveBack(addr, false)
+			assert.Equal(t, addr, rs.GetUnusedAddr(nil, 0))
+		})
+	}
 }
 
 func TestRegions_Giveback_Region2(t *testing.T) {
-	rs := makeRegions()
-	rs.region1.Use(&addr0, 0)
-	rs.region1.Use(&addr1, 1)
-	rs.region2.Use(&addr2, 2)
-	rs.region2.Use(&addr3, 3)
+	tests := []struct {
+		name  string
+		addrs []*EdgeAddr
+		mode  ConfigIPVersion
+	}{
+		{
+			name:  "IPv4 addresses with IPv4Only",
+			addrs: v4Addrs,
+			mode:  IPv4Only,
+		},
+		{
+			name:  "IPv6 addresses with IPv6Only",
+			addrs: v6Addrs,
+			mode:  IPv6Only,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			rs := makeRegions(tt.addrs, tt.mode)
+			rs.region1.AssignAnyAddress(0, nil)
+			rs.region1.AssignAnyAddress(1, nil)
+			addr := rs.region2.AssignAnyAddress(2, nil)
+			rs.region2.AssignAnyAddress(3, nil)
 
-	assert.Equal(t, 0, rs.AvailableAddrs())
+			assert.Equal(t, 0, rs.AvailableAddrs())
 
-	rs.GiveBack(&addr2)
-	assert.Equal(t, &addr2, rs.GetUnusedAddr(nil, 2))
+			rs.GiveBack(addr, false)
+			assert.Equal(t, addr, rs.GetUnusedAddr(nil, 2))
+		})
+	}
 }
 
 func TestRegions_GetUnusedAddr_OneAddrLeft(t *testing.T) {
-	rs := makeRegions()
+	tests := []struct {
+		name  string
+		addrs []*EdgeAddr
+		mode  ConfigIPVersion
+	}{
+		{
+			name:  "IPv4 addresses with IPv4Only",
+			addrs: v4Addrs,
+			mode:  IPv4Only,
+		},
+		{
+			name:  "IPv6 addresses with IPv6Only",
+			addrs: v6Addrs,
+			mode:  IPv6Only,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			rs := makeRegions(tt.addrs, tt.mode)
+			rs.region1.AssignAnyAddress(0, nil)
+			rs.region1.AssignAnyAddress(1, nil)
+			rs.region2.AssignAnyAddress(2, nil)
+			addr := rs.region2.active.GetUnusedIP(nil)
 
-	rs.region1.Use(&addr0, 0)
-	rs.region1.Use(&addr1, 1)
-	rs.region2.Use(&addr2, 2)
-
-	assert.Equal(t, 1, rs.AvailableAddrs())
-	assert.Equal(t, &addr3, rs.GetUnusedAddr(nil, 3))
+			assert.Equal(t, 1, rs.AvailableAddrs())
+			assert.Equal(t, addr, rs.GetUnusedAddr(nil, 3))
+		})
+	}
 }
 
 func TestRegions_GetUnusedAddr_Excluding_Region1(t *testing.T) {
-	rs := makeRegions()
+	tests := []struct {
+		name  string
+		addrs []*EdgeAddr
+		mode  ConfigIPVersion
+	}{
+		{
+			name:  "IPv4 addresses with IPv4Only",
+			addrs: v4Addrs,
+			mode:  IPv4Only,
+		},
+		{
+			name:  "IPv6 addresses with IPv6Only",
+			addrs: v6Addrs,
+			mode:  IPv6Only,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			rs := makeRegions(tt.addrs, tt.mode)
 
-	rs.region1.Use(&addr0, 0)
-	rs.region1.Use(&addr1, 1)
+			rs.region1.AssignAnyAddress(0, nil)
+			rs.region1.AssignAnyAddress(1, nil)
+			addr := rs.region2.active.GetUnusedIP(nil)
+			a2 := rs.region2.active.GetUnusedIP(addr)
 
-	assert.Equal(t, 2, rs.AvailableAddrs())
-	assert.Equal(t, &addr3, rs.GetUnusedAddr(&addr2, 3))
+			assert.Equal(t, 2, rs.AvailableAddrs())
+			assert.Equal(t, addr, rs.GetUnusedAddr(a2, 3))
+		})
+	}
 }
 
 func TestRegions_GetUnusedAddr_Excluding_Region2(t *testing.T) {
-	rs := makeRegions()
+	tests := []struct {
+		name  string
+		addrs []*EdgeAddr
+		mode  ConfigIPVersion
+	}{
+		{
+			name:  "IPv4 addresses with IPv4Only",
+			addrs: v4Addrs,
+			mode:  IPv4Only,
+		},
+		{
+			name:  "IPv6 addresses with IPv6Only",
+			addrs: v6Addrs,
+			mode:  IPv6Only,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			rs := makeRegions(tt.addrs, tt.mode)
 
-	rs.region2.Use(&addr2, 0)
-	rs.region2.Use(&addr3, 1)
+			rs.region2.AssignAnyAddress(0, nil)
+			rs.region2.AssignAnyAddress(1, nil)
+			addr := rs.region1.active.GetUnusedIP(nil)
+			a2 := rs.region1.active.GetUnusedIP(addr)
 
-	assert.Equal(t, 2, rs.AvailableAddrs())
-	assert.Equal(t, &addr1, rs.GetUnusedAddr(&addr0, 1))
+			assert.Equal(t, 2, rs.AvailableAddrs())
+			assert.Equal(t, addr, rs.GetUnusedAddr(a2, 1))
+		})
+	}
 }
 
 func TestNewNoResolveBalancesRegions(t *testing.T) {

edgediscovery/edgediscovery.go

@@ -1,7 +1,6 @@
 package edgediscovery
 
 import (
-	"fmt"
 	"sync"
 
 	"github.com/rs/zerolog"
@@ -11,9 +10,16 @@ import (
 
 const (
 	LogFieldConnIndex = "connIndex"
+	LogFieldIPAddress = "ip"
 )
 
-var errNoAddressesLeft = fmt.Errorf("there are no free edge addresses left")
+var errNoAddressesLeft = ErrNoAddressesLeft{}
+
+type ErrNoAddressesLeft struct{}
+
+func (e ErrNoAddressesLeft) Error() string {
+	return "there are no free edge addresses left to resolve to"
+}
 
 // Edge finds addresses on the Cloudflare edge and hands them out to connections.
 type Edge struct {
@@ -28,8 +34,8 @@ type Edge struct {
 
 // ResolveEdge runs the initial discovery of the Cloudflare edge, finding Addrs that can be allocated
 // to connections.
-func ResolveEdge(log *zerolog.Logger, region string) (*Edge, error) {
-	regions, err := allregions.ResolveEdge(log, region)
+func ResolveEdge(log *zerolog.Logger, region string, edgeIpVersion allregions.ConfigIPVersion) (*Edge, error) {
+	regions, err := allregions.ResolveEdge(log, region, edgeIpVersion)
 	if err != nil {
 		return new(Edge), err
 	}
@@ -51,15 +57,6 @@ func StaticEdge(log *zerolog.Logger, hostnames []string) (*Edge, error) {
 	}, nil
 }
 
-// MockEdge creates a Cloudflare Edge from arbitrary TCP addresses. Used for testing.
-func MockEdge(log *zerolog.Logger, addrs []*allregions.EdgeAddr) *Edge {
-	regions := allregions.NewNoResolve(addrs)
-	return &Edge{
-		log:     log,
-		regions: regions,
-	}
-}
-
 // ------------------------------------
 // Methods
 // ------------------------------------
@@ -93,12 +90,15 @@ func (ed *Edge) GetAddr(connIndex int) (*allregions.EdgeAddr, error) {
 		log.Debug().Msg("edgediscovery - GetAddr: No addresses left to give proxy connection")
 		return nil, errNoAddressesLeft
 	}
-	log.Debug().Msg("edgediscovery - GetAddr: Giving connection its new address")
+	log = ed.log.With().
+		Int(LogFieldConnIndex, connIndex).
+		IPAddr(LogFieldIPAddress, addr.UDP.IP).Logger()
+	log.Debug().Msgf("edgediscovery - GetAddr: Giving connection its new address")
 	return addr, nil
 }
 
 // GetDifferentAddr gives back the proxy connection's edge Addr and uses a new one.
-func (ed *Edge) GetDifferentAddr(connIndex int) (*allregions.EdgeAddr, error) {
+func (ed *Edge) GetDifferentAddr(connIndex int, hasConnectivityError bool) (*allregions.EdgeAddr, error) {
 	log := ed.log.With().Int(LogFieldConnIndex, connIndex).Logger()
 
 	ed.Lock()
@@ -106,7 +106,7 @@ func (ed *Edge) GetDifferentAddr(connIndex int) (*allregions.EdgeAddr, error) {
 
 	oldAddr := ed.regions.AddrUsedBy(connIndex)
 	if oldAddr != nil {
-		ed.regions.GiveBack(oldAddr)
+		ed.regions.GiveBack(oldAddr, hasConnectivityError)
 	}
 	addr := ed.regions.GetUnusedAddr(oldAddr, connIndex)
 	if addr == nil {
@@ -114,8 +114,10 @@ func (ed *Edge) GetDifferentAddr(connIndex int) (*allregions.EdgeAddr, error) {
 		// note: if oldAddr were not nil, it will become available on the next iteration
 		return nil, errNoAddressesLeft
 	}
-	log.Debug().Msgf("edgediscovery - GetDifferentAddr: Giving connection its new address: %v from the address list: %v",
-		addr, ed.regions.AvailableAddrs())
+	log = ed.log.With().
+		Int(LogFieldConnIndex, connIndex).
+		IPAddr(LogFieldIPAddress, addr.UDP.IP).Logger()
+	log.Debug().Msgf("edgediscovery - GetDifferentAddr: Giving connection its new address from the address list: %v", ed.regions.AvailableAddrs())
 	return addr, nil
 }
 
@@ -128,9 +130,11 @@ func (ed *Edge) AvailableAddrs() int {
 
 // GiveBack the address so that other connections can use it.
 // Returns true if the address is in this edge.
-func (ed *Edge) GiveBack(addr *allregions.EdgeAddr) bool {
+func (ed *Edge) GiveBack(addr *allregions.EdgeAddr, hasConnectivityError bool) bool {
 	ed.Lock()
 	defer ed.Unlock()
-	ed.log.Debug().Msg("edgediscovery - GiveBack: Address now unused")
-	return ed.regions.GiveBack(addr)
+	log := ed.log.With().
+		IPAddr(LogFieldIPAddress, addr.UDP.IP).Logger()
+	log.Debug().Msgf("edgediscovery - GiveBack: Address now unused")
+	return ed.regions.GiveBack(addr, hasConnectivityError)
 }

edgediscovery/edgediscovery_test.go

@@ -11,56 +11,113 @@ import (
 )
 
 var (
-	addr0 = allregions.EdgeAddr{
+	testLogger = zerolog.Nop()
+	v4Addrs    = []*allregions.EdgeAddr{&addr0, &addr1, &addr2, &addr3}
+	v6Addrs    = []*allregions.EdgeAddr{&addr4, &addr5, &addr6, &addr7}
+	addr0      = allregions.EdgeAddr{
 		TCP: &net.TCPAddr{
-			IP:   net.ParseIP("123.0.0.0"),
+			IP:   net.ParseIP("123.4.5.0"),
 			Port: 8000,
 			Zone: "",
 		},
 		UDP: &net.UDPAddr{
-			IP:   net.ParseIP("123.0.0.0"),
+			IP:   net.ParseIP("123.4.5.0"),
 			Port: 8000,
 			Zone: "",
 		},
+		IPVersion: allregions.V4,
 	}
 	addr1 = allregions.EdgeAddr{
 		TCP: &net.TCPAddr{
-			IP:   net.ParseIP("123.0.0.1"),
+			IP:   net.ParseIP("123.4.5.1"),
 			Port: 8000,
 			Zone: "",
 		},
 		UDP: &net.UDPAddr{
-			IP:   net.ParseIP("123.0.0.1"),
+			IP:   net.ParseIP("123.4.5.1"),
 			Port: 8000,
 			Zone: "",
 		},
+		IPVersion: allregions.V4,
 	}
 	addr2 = allregions.EdgeAddr{
 		TCP: &net.TCPAddr{
-			IP:   net.ParseIP("123.0.0.2"),
+			IP:   net.ParseIP("123.4.5.2"),
 			Port: 8000,
 			Zone: "",
 		},
 		UDP: &net.UDPAddr{
-			IP:   net.ParseIP("123.0.0.2"),
+			IP:   net.ParseIP("123.4.5.2"),
 			Port: 8000,
 			Zone: "",
 		},
+		IPVersion: allregions.V4,
 	}
 	addr3 = allregions.EdgeAddr{
 		TCP: &net.TCPAddr{
-			IP:   net.ParseIP("123.0.0.3"),
+			IP:   net.ParseIP("123.4.5.3"),
 			Port: 8000,
 			Zone: "",
 		},
 		UDP: &net.UDPAddr{
-			IP:   net.ParseIP("123.0.0.3"),
+			IP:   net.ParseIP("123.4.5.3"),
 			Port: 8000,
 			Zone: "",
 		},
+		IPVersion: allregions.V4,
+	}
+	addr4 = allregions.EdgeAddr{
+		TCP: &net.TCPAddr{
+			IP:   net.ParseIP("2606:4700:a0::1"),
+			Port: 8000,
+			Zone: "",
+		},
+		UDP: &net.UDPAddr{
+			IP:   net.ParseIP("2606:4700:a0::1"),
+			Port: 8000,
+			Zone: "",
+		},
+		IPVersion: allregions.V6,
+	}
+	addr5 = allregions.EdgeAddr{
+		TCP: &net.TCPAddr{
+			IP:   net.ParseIP("2606:4700:a0::2"),
+			Port: 8000,
+			Zone: "",
+		},
+		UDP: &net.UDPAddr{
+			IP:   net.ParseIP("2606:4700:a0::2"),
+			Port: 8000,
+			Zone: "",
+		},
+		IPVersion: allregions.V6,
+	}
+	addr6 = allregions.EdgeAddr{
+		TCP: &net.TCPAddr{
+			IP:   net.ParseIP("2606:4700:a0::3"),
+			Port: 8000,
+			Zone: "",
+		},
+		UDP: &net.UDPAddr{
+			IP:   net.ParseIP("2606:4700:a0::3"),
+			Port: 8000,
+			Zone: "",
+		},
+		IPVersion: allregions.V6,
+	}
+	addr7 = allregions.EdgeAddr{
+		TCP: &net.TCPAddr{
+			IP:   net.ParseIP("2606:4700:a0::4"),
+			Port: 8000,
+			Zone: "",
+		},
+		UDP: &net.UDPAddr{
+			IP:   net.ParseIP("2606:4700:a0::4"),
+			Port: 8000,
+			Zone: "",
+		},
+		IPVersion: allregions.V6,
 	}
-
-	testLogger = zerolog.Nop()
 )
 
 func TestGiveBack(t *testing.T) {
@@ -75,7 +132,7 @@ func TestGiveBack(t *testing.T) {
 	assert.Equal(t, 3, edge.AvailableAddrs())
 
 	// Get it back
-	edge.GiveBack(addr)
+	edge.GiveBack(addr, false)
 	assert.Equal(t, 4, edge.AvailableAddrs())
 }
 
@@ -107,7 +164,7 @@ func TestGetAddrForRPC(t *testing.T) {
 	assert.Equal(t, 4, edge.AvailableAddrs())
 
 	// Get it back
-	edge.GiveBack(addr)
+	edge.GiveBack(addr, false)
 	assert.Equal(t, 4, edge.AvailableAddrs())
 }
 
@@ -122,13 +179,13 @@ func TestOnePerRegion(t *testing.T) {
 	assert.NotNil(t, a1)
 
 	// if the first address is bad, get the second one
-	a2, err := edge.GetDifferentAddr(connID)
+	a2, err := edge.GetDifferentAddr(connID, false)
 	assert.NoError(t, err)
 	assert.NotNil(t, a2)
 	assert.NotEqual(t, a1, a2)
 
 	// now that second one is bad, get the first one again
-	a3, err := edge.GetDifferentAddr(connID)
+	a3, err := edge.GetDifferentAddr(connID, false)
 	assert.NoError(t, err)
 	assert.Equal(t, a1, a3)
 }
@@ -144,11 +201,11 @@ func TestOnlyOneAddrLeft(t *testing.T) {
 	assert.NotNil(t, addr)
 
 	// If that edge address is "bad", there's no alternative address.
-	_, err = edge.GetDifferentAddr(connID)
+	_, err = edge.GetDifferentAddr(connID, false)
 	assert.Error(t, err)
 
 	// previously bad address should become available again on next iteration.
-	addr, err = edge.GetDifferentAddr(connID)
+	addr, err = edge.GetDifferentAddr(connID, false)
 	assert.NoError(t, err)
 	assert.NotNil(t, addr)
 }
@@ -190,8 +247,17 @@ func TestGetDifferentAddr(t *testing.T) {
 	assert.Equal(t, 3, edge.AvailableAddrs())
 
 	// If the same connection requests another address, it should get the same one.
-	addr2, err := edge.GetDifferentAddr(connID)
+	addr2, err := edge.GetDifferentAddr(connID, false)
 	assert.NoError(t, err)
 	assert.NotEqual(t, addr, addr2)
 	assert.Equal(t, 3, edge.AvailableAddrs())
 }
+
+// MockEdge creates a Cloudflare Edge from arbitrary TCP addresses. Used for testing.
+func MockEdge(log *zerolog.Logger, addrs []*allregions.EdgeAddr) *Edge {
+	regions := allregions.NewNoResolve(addrs)
+	return &Edge{
+		log:     log,
+		regions: regions,
+	}
+}

fips/fips.go.linux-amd64

@@ -2,4 +2,11 @@
 
 package main
 
-import _ "crypto/tls/fipsonly"
+import (
+    _ "crypto/tls/fipsonly"
+    "github.com/cloudflare/cloudflared/cmd/cloudflared/tunnel"
+)
+
+func init () {
+    tunnel.FipsEnabled = true
+}

fmt-check.sh

@@ -2,12 +2,12 @@
 
 set -e -o pipefail
 
-OUTPUT=$(for d in $(go list -mod=vendor -f '{{.Dir}}' -a ./... | fgrep -v tunnelrpc) ; do goimports -format-only -local github.com/cloudflare/cloudflared -d $d ; done)
+OUTPUT=$(goimports -l -d -local github.com/cloudflare/cloudflared $(go list -mod=vendor -f '{{.Dir}}' -a ./... | fgrep -v tunnelrpc))
 
 if [ -n "$OUTPUT" ] ; then
   PAGER=$(which colordiff || echo cat)
   echo
-  echo "Code formatting issues found, use 'goimports -format-only -local github.com/cloudflare/cloudflared' to correct them"
+  echo "Code formatting issues found, use 'make fmt' to correct them"
   echo
   echo "$OUTPUT" | $PAGER
   exit 1

github_message.py

@@ -1,29 +1,56 @@
 #!/usr/bin/python3
 """
-Creates Github Releases Notes with content hashes
+Create Github Releases Notes with binary checksums from Workers KV
 """
 
 import argparse
 import logging
 import os
-import hashlib
-import glob
+import requests
 
-from github import Github, GithubException, UnknownObjectException
+from github import Github, UnknownObjectException
 
 FORMAT = "%(levelname)s - %(asctime)s: %(message)s"
-logging.basicConfig(format=FORMAT)
+logging.basicConfig(format=FORMAT, level=logging.INFO)
 
 CLOUDFLARED_REPO = os.environ.get("GITHUB_REPO", "cloudflare/cloudflared")
 GITHUB_CONFLICT_CODE = "already_exists"
+BASE_KV_URL = 'https://api.cloudflare.com/client/v4/accounts/'
 
-def get_sha256(filename):
-    """ get the sha256 of a file """
-    sha256_hash = hashlib.sha256()
-    with open(filename,"rb") as f:
-        for byte_block in iter(lambda: f.read(4096),b""):
-            sha256_hash.update(byte_block)
-        return sha256_hash.hexdigest()
+
+def kv_get_keys(prefix, account, namespace, api_token):
+    """ get the KV keys for a given prefix """
+    response = requests.get(
+        BASE_KV_URL + account + "/storage/kv/namespaces/" +
+        namespace + "/keys" + "?prefix=" + prefix,
+        headers={
+            "Content-Type": "application/json",
+            "Authorization": "Bearer " + api_token,
+        },
+    )
+    if response.status_code != 200:
+        jsonResponse = response.json()
+        errors = jsonResponse["errors"]
+        if len(errors) > 0:
+            raise Exception("failed to get checksums: {0}", errors[0])
+    return response.json()["result"]
+
+
+def kv_get_value(key, account, namespace, api_token):
+    """ get the KV value for a provided key """
+    response = requests.get(
+        BASE_KV_URL + account + "/storage/kv/namespaces/" + namespace + "/values/" + key,
+        headers={
+            "Content-Type": "application/json",
+            "Authorization": "Bearer " + api_token,
+        },
+    )
+    if response.status_code != 200:
+        jsonResponse = response.json()
+        errors = jsonResponse["errors"]
+        if len(errors) > 0:
+            raise Exception("failed to get checksums: {0}", errors[0])
+    return response.text
 
 
 def update_or_add_message(msg, name, sha):
@@ -42,6 +69,7 @@ def update_or_add_message(msg, name, sha):
         return '{0}{1}```'.format(msg[:back], new_text)
     return '{0} \n### SHA256 Checksums:\n```\n{1}```'.format(msg, new_text)
 
+
 def get_release(repo, version):
     """ Get a Github Release matching the version tag. """
     try:
@@ -55,11 +83,20 @@ def get_release(repo, version):
 def parse_args():
     """ Parse and validate args """
     parser = argparse.ArgumentParser(
-        description="Creates Github Releases and uploads assets."
+        description="Updates a Github Release with checksums from KV"
     )
     parser.add_argument(
         "--api-key", default=os.environ.get("API_KEY"), help="Github API key"
     )
+    parser.add_argument(
+        "--kv-namespace-id", default=os.environ.get("KV_NAMESPACE"), help="workers KV namespace id"
+    )
+    parser.add_argument(
+        "--kv-account-id", default=os.environ.get("KV_ACCOUNT"), help="workers KV account id"
+    )
+    parser.add_argument(
+        "--kv-api-token", default=os.environ.get("KV_API_TOKEN"), help="workers KV API Token"
+    )
     parser.add_argument(
         "--release-version",
         metavar="version",
@@ -80,6 +117,18 @@ def parse_args():
         logging.error("Missing API key")
         is_valid = False
 
+    if not args.kv_namespace_id:
+        logging.error("Missing KV namespace id")
+        is_valid = False
+
+    if not args.kv_account_id:
+        logging.error("Missing KV account id")
+        is_valid = False
+
+    if not args.kv_api_token:
+        logging.error("Missing KV API token")
+        is_valid = False
+
     if is_valid:
         return args
 
@@ -95,16 +144,20 @@ def main():
         repo = client.get_repo(CLOUDFLARED_REPO)
         release = get_release(repo, args.release_version)
 
-        msg = release.body
+        msg = ""
 
-        for filepath in glob.glob("artifacts/*"):
-            pkg_hash = get_sha256(filepath)
-            # add the sha256 of the new artifact to the release message body
-            name = os.path.basename(filepath)
-            msg = update_or_add_message(msg, name, pkg_hash)
+        prefix = f"update_{args.release_version}_"
+        keys = kv_get_keys(prefix, args.kv_account_id,
+                           args.kv_namespace_id, args.kv_api_token)
+        for key in [k["name"] for k in keys]:
+            checksum = kv_get_value(
+                key, args.kv_account_id, args.kv_namespace_id, args.kv_api_token)
+            binary_name = key[len(prefix):]
+            msg = update_or_add_message(msg, binary_name, checksum)
 
         if args.dry_run:
-            logging.info("Skipping asset upload because of dry-run")
+            logging.info("Skipping release message update because of dry-run")
+            logging.info(f"Github message:\n{msg}")
             return
 
         # update the release body text
@@ -115,4 +168,4 @@ def main():
         exit(1)
 
 
-main()
+main()

go.mod

@@ -1,32 +1,32 @@
 module github.com/cloudflare/cloudflared
 
-go 1.17
+go 1.19
 
 require (
 	github.com/cloudflare/brotli-go v0.0.0-20191101163834-d34379f7ff93
 	github.com/cloudflare/golibs v0.0.0-20170913112048-333127dbecfc
-	github.com/coredns/coredns v1.8.7
+	github.com/coredns/coredns v1.10.0
+	github.com/coreos/go-oidc/v3 v3.4.0
 	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf
 	github.com/facebookgo/grace v0.0.0-20180706040059-75cf19382434
 	github.com/fsnotify/fsnotify v1.4.9
-	github.com/gdamore/tcell v1.3.0
-	github.com/getsentry/raven-go v0.0.0-20180517221441-ed7bcb39ff10
+	github.com/getsentry/raven-go v0.2.0
+	github.com/getsentry/sentry-go v0.16.0
 	github.com/gobwas/ws v1.0.4
 	github.com/golang-collections/collections v0.0.0-20130729185459-604e922904d3
+	github.com/google/gopacket v1.1.19
 	github.com/google/uuid v1.3.0
-	github.com/gorilla/mux v1.8.0
 	github.com/gorilla/websocket v1.4.2
 	github.com/json-iterator/go v1.1.12
-	github.com/lucas-clemente/quic-go v0.24.0
-	github.com/mattn/go-colorable v0.1.8
-	github.com/miekg/dns v1.1.45
+	github.com/lucas-clemente/quic-go v0.28.1
+	github.com/mattn/go-colorable v0.1.13
+	github.com/miekg/dns v1.1.50
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/pkg/errors v0.9.1
-	github.com/prometheus/client_golang v1.12.1
+	github.com/prometheus/client_golang v1.13.0
 	github.com/prometheus/client_model v0.2.0
-	github.com/rivo/tview v0.0.0-20200712113419-c65badfc3d92
 	github.com/rs/zerolog v1.20.0
-	github.com/stretchr/testify v1.7.1
+	github.com/stretchr/testify v1.8.1
 	github.com/urfave/cli/v2 v2.3.0
 	go.opentelemetry.io/contrib/propagators v0.22.0
 	go.opentelemetry.io/otel v1.6.3
@@ -35,26 +35,27 @@ require (
 	go.opentelemetry.io/otel/trace v1.6.3
 	go.opentelemetry.io/proto/otlp v0.15.0
 	go.uber.org/automaxprocs v1.4.0
-	golang.org/x/crypto v0.0.0-20210921155107-089bfa567519
-	golang.org/x/net v0.0.0-20220114011407-0dd24b26b47d
-	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	golang.org/x/sys v0.0.0-20220114195835-da31bd327af9
-	golang.org/x/term v0.0.0-20210615171337-6886f2dfbf5b
-	google.golang.org/protobuf v1.28.0
+	golang.org/x/crypto v0.5.0
+	golang.org/x/net v0.5.0
+	golang.org/x/sync v0.1.0
+	golang.org/x/sys v0.4.0
+	golang.org/x/term v0.4.0
+	google.golang.org/protobuf v1.28.1
 	gopkg.in/coreos/go-oidc.v2 v2.2.1
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0
 	gopkg.in/square/go-jose.v2 v2.6.0
-	gopkg.in/yaml.v2 v2.4.0
+	gopkg.in/yaml.v3 v3.0.1
 	zombiezen.com/go/capnproto2 v2.18.0+incompatible
 )
 
 require (
-	github.com/BurntSushi/toml v0.3.1 // indirect
+	github.com/BurntSushi/toml v1.2.0 // indirect
 	github.com/apparentlymart/go-cidr v1.1.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/certifi/gocertifi v0.0.0-20200211180108-c7c1fbc02894 // indirect
+	github.com/certifi/gocertifi v0.0.0-20210507211836-431795d63e8d // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/cheekybits/genny v1.0.0 // indirect
+	github.com/cloudflare/circl v1.2.1-0.20220809205628-0a9554f37a47 // indirect
 	github.com/coredns/caddy v1.1.1 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
@@ -63,8 +64,6 @@ require (
 	github.com/facebookgo/stack v0.0.0-20160209184415-751773369052 // indirect
 	github.com/facebookgo/subset v0.0.0-20150612182917-8dac2c3c4870 // indirect
 	github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568 // indirect
-	github.com/francoispqt/gojay v1.2.13 // indirect
-	github.com/gdamore/encoding v1.0.0 // indirect
 	github.com/go-logr/logr v1.2.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
@@ -73,40 +72,51 @@ require (
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.7.0 // indirect
 	github.com/grpc-ecosystem/grpc-opentracing v0.0.0-20180507213350-8e809c8a8645 // indirect
+	github.com/kr/text v0.2.0 // indirect
 	github.com/kylelemons/godebug v1.1.0 // indirect
-	github.com/lucasb-eyer/go-colorful v1.0.3 // indirect
-	github.com/marten-seemann/qtls-go1-16 v0.1.4 // indirect
-	github.com/marten-seemann/qtls-go1-17 v0.1.0 // indirect
-	github.com/marten-seemann/qtls-go1-18 v0.1.0-beta.1 // indirect
-	github.com/mattn/go-isatty v0.0.12 // indirect
-	github.com/mattn/go-runewidth v0.0.8 // indirect
+	github.com/marten-seemann/qtls-go1-16 v0.1.5 // indirect
+	github.com/marten-seemann/qtls-go1-17 v0.1.2 // indirect
+	github.com/marten-seemann/qtls-go1-18 v0.1.2 // indirect
+	github.com/marten-seemann/qtls-go1-19 v0.1.0-beta.1 // indirect
+	github.com/mattn/go-isatty v0.0.16 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/nxadm/tail v1.4.8 // indirect
 	github.com/onsi/ginkgo v1.16.5 // indirect
+	github.com/onsi/gomega v1.23.0 // indirect
 	github.com/opentracing/opentracing-go v1.2.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/pquerna/cachecontrol v0.0.0-20180517163645-1555304b9b35 // indirect
-	github.com/prometheus/common v0.32.1 // indirect
-	github.com/prometheus/procfs v0.7.3 // indirect
-	github.com/rivo/uniseg v0.1.0 // indirect
+	github.com/prometheus/common v0.37.0 // indirect
+	github.com/prometheus/procfs v0.8.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	golang.org/x/mod v0.4.2 // indirect
-	golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8 // indirect
-	golang.org/x/text v0.3.7 // indirect
-	golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2 // indirect
-	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+	golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 // indirect
+	golang.org/x/oauth2 v0.4.0 // indirect
+	golang.org/x/text v0.6.0 // indirect
+	golang.org/x/tools v0.1.12 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/genproto v0.0.0-20211223182754-3ac035c7e7cb // indirect
-	google.golang.org/grpc v1.45.0 // indirect
+	google.golang.org/genproto v0.0.0-20221202195650-67e5cbc046fd // indirect
+	google.golang.org/grpc v1.51.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
 )
 
 replace github.com/urfave/cli/v2 => github.com/ipostelnik/cli/v2 v2.3.1-0.20210324024421-b6ea8234fe3d
 
-replace github.com/lucas-clemente/quic-go => github.com/chungthuang/quic-go v0.24.1-0.20220110095058-981dc498cb62
+replace github.com/lucas-clemente/quic-go => github.com/chungthuang/quic-go v0.27.1-0.20220809135021-ca330f1dec9f
 
 // Avoid 'CVE-2022-21698'
 replace github.com/prometheus/golang_client => github.com/prometheus/golang_client v1.12.1
+
+replace gopkg.in/yaml.v3 => gopkg.in/yaml.v3 v3.0.1
+
+// Post-quantum tunnel RTG-1339
+replace (
+	// branch go1.18
+	github.com/marten-seemann/qtls-go1-18 => github.com/cloudflare/qtls-pq v0.0.0-20230103171413-e7a2fb559a0e
+
+	// branch go1.19
+	github.com/marten-seemann/qtls-go1-19 => github.com/cloudflare/qtls-pq v0.0.0-20230103171656-05e84f90909e
+)

go.sum

@@ -28,14 +28,23 @@ cloud.google.com/go v0.93.3/go.mod h1:8utlLll2EF5XMAV15woO4lSbWQlk8rer9aLOfLh7+Y
 cloud.google.com/go v0.94.1/go.mod h1:qAlAugsXlC+JWO+Bke5vCtc9ONxjQT3drlTTnAplMW4=
 cloud.google.com/go v0.97.0/go.mod h1:GF7l59pYBVlXQIBLx3a761cZ41F9bBH3JUlihCt2Udc=
 cloud.google.com/go v0.99.0/go.mod h1:w0Xx2nLzqWJPuozYQX+hFfCSI8WioryfRDzkoI/Y2ZA=
+cloud.google.com/go v0.100.2/go.mod h1:4Xra9TjzAeYHrl5+oeLlzbM2k3mjVhZh4UqTZ//w99A=
+cloud.google.com/go v0.102.0/go.mod h1:oWcCzKlqJ5zgHQt9YsaeTY9KzIvjyy0ArmiBUgpQ+nc=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
 cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
 cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
 cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
+cloud.google.com/go/compute v0.1.0/go.mod h1:GAesmwr110a34z04OlxYkATPBEfVhkymfTBXtfbBFow=
+cloud.google.com/go/compute v1.3.0/go.mod h1:cCZiE1NHEtai4wiufUhW8I8S1JKkAnhnQJWM7YD99wM=
+cloud.google.com/go/compute v1.5.0/go.mod h1:9SMHyhJlzhlkJqrPAc839t2BZFTSk6Jdj6mkzQJeu0M=
+cloud.google.com/go/compute v1.6.0/go.mod h1:T29tfhtVbq1wvAPo0E3+7vhgmkOYeXjhFvz/FMzPu0s=
+cloud.google.com/go/compute v1.6.1/go.mod h1:g85FgpzFvNULZ+S8AYq87axRKuf2Kh7deLqV/jJ3thU=
+cloud.google.com/go/compute v1.7.0/go.mod h1:435lt8av5oL9P3fv1OEzSbSUe+ybHXGMPQHHZWZxy9U=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
+cloud.google.com/go/iam v0.3.0/go.mod h1:XzJPvDayI+9zsASAFO68Hk07u3z+f+JrT2xXNdp4bnY=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
 cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
@@ -45,44 +54,18 @@ cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0Zeo
 cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
+cloud.google.com/go/storage v1.22.1/go.mod h1:S8N1cAStu7BOeFfE8KAQzmyyLkK8p/vmRq6kuBTW58Y=
 dmitri.shuralyov.com/app/changes v0.0.0-20180602232624-0a106ad413e3/go.mod h1:Yl+fi1br7+Rr3LqpNJf1/uxUdtRUV+Tnj0o93V2B9MU=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 dmitri.shuralyov.com/html/belt v0.0.0-20180602232347-f7d459c86be0/go.mod h1:JLBrvjyP0v+ecvNYvCpyZgu5/xkfAUhi6wJj28eUfSU=
 dmitri.shuralyov.com/service/change v0.0.0-20181023043359-a85b471d5412/go.mod h1:a1inKt/atXimZ4Mv927x+r7UpyzRUf4emIoiiSC2TN4=
 dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D6DFvNNtx+9ybjezNCa8XF0xaYcETyp6rHWU=
 git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
-github.com/Azure/azure-sdk-for-go v61.1.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
-github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
-github.com/Azure/go-autorest/autorest v0.11.18/go.mod h1:dSiJPy22c3u0OtOKDNttNgqpNFY/GeWa7GH/Pz56QRA=
-github.com/Azure/go-autorest/autorest v0.11.19/go.mod h1:dSiJPy22c3u0OtOKDNttNgqpNFY/GeWa7GH/Pz56QRA=
-github.com/Azure/go-autorest/autorest v0.11.23/go.mod h1:BAWYUWGPEtKPzjVkp0Q6an0MJcJDsoh5Z1BFAEFs4Xs=
-github.com/Azure/go-autorest/autorest/adal v0.9.5/go.mod h1:B7KF7jKIeC9Mct5spmyCB/A8CG/sEz1vwIRGv/bbw7A=
-github.com/Azure/go-autorest/autorest/adal v0.9.13/go.mod h1:W/MM4U6nLxnIskrw4UwWzlHfGjwUS50aOsc/I3yuU8M=
-github.com/Azure/go-autorest/autorest/adal v0.9.14/go.mod h1:W/MM4U6nLxnIskrw4UwWzlHfGjwUS50aOsc/I3yuU8M=
-github.com/Azure/go-autorest/autorest/adal v0.9.18/go.mod h1:XVVeme+LZwABT8K5Lc3hA4nAe8LDBVle26gTrguhhPQ=
-github.com/Azure/go-autorest/autorest/azure/auth v0.5.10/go.mod h1:zQXYYNX9kXzRMrJNVXWUfNy38oPMF5/2TeZ4Wylc9fE=
-github.com/Azure/go-autorest/autorest/azure/cli v0.4.2/go.mod h1:7qkJkT+j6b+hIpzMOwPChJhTqS8VbsqqgULzMNRugoM=
-github.com/Azure/go-autorest/autorest/date v0.3.0/go.mod h1:BI0uouVdmngYNUzGWeSYnokU+TrmwEsOqdt8Y6sso74=
-github.com/Azure/go-autorest/autorest/mocks v0.4.1/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k=
-github.com/Azure/go-autorest/autorest/to v0.2.0/go.mod h1:GunWKJp1AEqgMaGLV+iocmRAJWqST1wQYhyyjXJ3SJc=
-github.com/Azure/go-autorest/logger v0.2.1/go.mod h1:T9E3cAhj2VqvPOtCYAvby9aBXkZmbF5NWuPV8+WeEW8=
-github.com/Azure/go-autorest/tracing v0.6.0/go.mod h1:+vhtPC754Xsa23ID7GlGsrdKBpUA79WCAKPPZVC2DeU=
-github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/toml v1.2.0 h1:Rt8g24XnyGTyglgET/PRUNlrUeu9F5L+7FilkXfZgs0=
+github.com/BurntSushi/toml v1.2.0/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
-github.com/DataDog/datadog-go v4.4.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
-github.com/DataDog/gostackparse v0.5.0/go.mod h1:lTfqcJKqS9KnXQGnyQMCugq3u1FP6UZMfWR0aitKFMM=
-github.com/DataDog/sketches-go v1.0.0/go.mod h1:O+XkJHWk9w4hDwY2ZUDU31ZC9sNYlYo8DiFsxjYeo1k=
-github.com/Microsoft/go-winio v0.5.0/go.mod h1:JPGBdM1cNvN/6ISo+n8V5iA4v8pBzdOpzfwIujj1a84=
-github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
-github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
-github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
-github.com/Shopify/sarama v1.30.0/go.mod h1:zujlQQx1kzHsh4jfV1USnptCQrHAEZ2Hk8fTKCulPVs=
-github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
-github.com/Shopify/toxiproxy/v2 v2.1.6-0.20210914104332-15ea381dcdae/go.mod h1:/cvHQkZ1fst0EmZnA5dFtiQdWCNCFYzb+uE2vqVgvx0=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
@@ -92,34 +75,39 @@ github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYU
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/apparentlymart/go-cidr v1.1.0 h1:2mAhrMoF+nhXqxTzSZMUzDHkLjmIHC+Zzn4tdgBZjnU=
 github.com/apparentlymart/go-cidr v1.1.0/go.mod h1:EBcsNrHc3zQeuaeCeCtQruQm+n9/YjEn/vI25Lg7Gwc=
-github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
-github.com/aws/aws-sdk-go v1.42.30/go.mod h1:OGr6lGMAKGlG9CVrYnWYDKIyb829c6EVBRjxqjmPepc=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
 github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
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@@ -229,21 +194,15 @@ github.com/gobwas/pool v0.2.1 h1:xfeeEhW7pwmX8nuLVlqbzVc7udMDrwetjEv+TZIz1og=
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@@ -273,12 +232,9 @@ github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaS
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@@ -291,13 +247,14 @@ github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@@ -313,7 +270,6 @@ github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLe
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@@ -322,52 +278,35 @@ github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
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@@ -490,8 +393,9 @@ github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXP
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@@ -501,22 +405,17 @@ github.com/prometheus/common v0.0.0-20180801064454-c7de2306084e/go.mod h1:daVV7q
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@@ -553,42 +452,32 @@ github.com/shurcooL/webdavfs v0.0.0-20170829043945-18c3829fa133/go.mod h1:hKmq5k
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 github.com/sourcegraph/annotate v0.0.0-20160123013949-f4cad6c6324d/go.mod h1:UdhH50NIW0fCiwBSr0co2m7BnFLdv4fQTgdqdJTHFeE=
 github.com/sourcegraph/syntaxhighlight v0.0.0-20170531221838-bd320f5d308e/go.mod h1:HuIsMU8RRBOtsCgI77wP899iHVBQpCmg4ErYMZB+2IA=
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-go.etcd.io/etcd/api/v3 v3.5.1/go.mod h1:cbVKeC6lCfl7j/8jBhAK6aIYO9XOjdptoxU/nLQcPvs=
-go.etcd.io/etcd/client/pkg/v3 v3.5.1/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g=
-go.etcd.io/etcd/client/v3 v3.5.1/go.mod h1:OnjH4M8OnAotwaB2l9bVgZzRFKru7/ZMoS46OtKyd3Q=
 go.opencensus.io v0.18.0/go.mod h1:vKdFvxhtzZ9onBp9VKHK8z/sRpBMnKAsufL7wlDrCOA=
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@@ -613,11 +502,8 @@ go.opentelemetry.io/otel/trace v1.6.3/go.mod h1:GNJQusJlUgZl9/TQBPKU/Y/ty+0iVB5f
 go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
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-go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/automaxprocs v1.4.0 h1:CpDZl6aOlLhReez+8S3eEotD7Jx0Os++lemPlMULQP0=
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-go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
-go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
 go4.org v0.0.0-20180809161055-417644f6feb5/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1yOyC1qaOBpL57BhE=
 golang.org/x/build v0.0.0-20190111050920-041ab4dc3f9d/go.mod h1:OWs+y06UdEOHN4y+MfF/py+xQ/tYqIWW03b70/CG9Rw=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -629,12 +515,9 @@ golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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+golang.org/x/crypto v0.5.0/go.mod h1:NK/OQwhpMQP3MwtdjgLlYHnH9ebylxKWv3e0fK+mkQU=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -670,8 +553,9 @@ golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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-golang.org/x/mod v0.4.2 h1:Gz96sIWK3OalVv/I/qNygP42zyoKp3xptRVCWRFEBvo=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 h1:6zppjxzCulZykYSLyVDYbneBfbaBIQPYMevg0bEwv2s=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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@@ -690,8 +574,6 @@ golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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 golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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 golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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@@ -719,11 +601,17 @@ golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT
 golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
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 golang.org/x/net v0.0.0-20210726213435-c6fcb2dbf985/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
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@@ -741,8 +629,14 @@ golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c/go.mod h1:KelEdhl1UZF7XfJ
 golang.org/x/oauth2 v0.0.0-20210628180205-a41e5a781914/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210805134026-6f1e6394065a/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
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 golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
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@@ -754,8 +648,10 @@ golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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@@ -770,20 +666,15 @@ golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -812,7 +703,6 @@ golang.org/x/sys v0.0.0-20210305230114-8fe3ee5dd75b/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -824,15 +714,29 @@ golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBc
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@@ -841,13 +745,13 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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@@ -871,7 +775,6 @@ golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtn
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@@ -886,11 +789,9 @@ golang.org/x/tools v0.0.0-20200304193943-95d2e580d8eb/go.mod h1:o4KQGtdN14AW+yjs
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@@ -900,20 +801,22 @@ golang.org/x/tools v0.0.0-20201201161351-ac6f37ff4c2a/go.mod h1:emZCQorbCU4vsT4f
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@@ -947,7 +850,15 @@ google.golang.org/api v0.55.0/go.mod h1:38yMfeP1kfjsl8isn0tliTjIb1rJXcQi4UXlbqiv
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@@ -993,7 +904,6 @@ google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
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@@ -1002,6 +912,7 @@ google.golang.org/genproto v0.0.0-20210222152913-aa3ee6e6a81c/go.mod h1:FWY/as6D
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@@ -1021,16 +932,33 @@ google.golang.org/genproto v0.0.0-20210909211513-a8c4777a87af/go.mod h1:eFjDcFEc
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+google.golang.org/genproto v0.0.0-20220429170224-98d788798c3e/go.mod h1:8w6bsBMX6yCPbAVTeqQHvzxW0EIFigd5lZyahWgyfDo=
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+google.golang.org/genproto v0.0.0-20220518221133-4f43b3371335/go.mod h1:RAyBrSAP7Fh3Nc84ghnVLDPuV51xc9agzmm4Ph6i0Q4=
+google.golang.org/genproto v0.0.0-20220523171625-347a074981d8/go.mod h1:RAyBrSAP7Fh3Nc84ghnVLDPuV51xc9agzmm4Ph6i0Q4=
+google.golang.org/genproto v0.0.0-20220608133413-ed9918b62aac/go.mod h1:KEWEmljWE5zPzLBa/oHl6DaEt9LmfH6WtH1OHIvleBA=
+google.golang.org/genproto v0.0.0-20220616135557-88e70c0c3a90/go.mod h1:KEWEmljWE5zPzLBa/oHl6DaEt9LmfH6WtH1OHIvleBA=
+google.golang.org/genproto v0.0.0-20221202195650-67e5cbc046fd h1:OjndDrsik+Gt+e6fs45z9AxiewiKyLKYpA45W5Kpkks=
+google.golang.org/genproto v0.0.0-20221202195650-67e5cbc046fd/go.mod h1:cTsE614GARnxrLsqKREzmNYJACSWWpAWdNMwnD7c2BE=
 google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
-google.golang.org/grpc v1.22.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
@@ -1054,11 +982,14 @@ google.golang.org/grpc v1.39.0/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnD
 google.golang.org/grpc v1.39.1/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
 google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
 google.golang.org/grpc v1.40.1/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
-google.golang.org/grpc v1.41.0/go.mod h1:U3l9uK9J0sini8mHphKoXyaqDA/8VyGnDee1zzIUK6k=
 google.golang.org/grpc v1.42.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
-google.golang.org/grpc v1.43.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
-google.golang.org/grpc v1.45.0 h1:NEpgUqV3Z+ZjkqMsxMg11IaDrXY4RY6CQukSGK0uI1M=
+google.golang.org/grpc v1.44.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
 google.golang.org/grpc v1.45.0/go.mod h1:lN7owxKUQEqMfSyQikvvk5tf/6zMPsrK+ONuO11+0rQ=
+google.golang.org/grpc v1.46.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
+google.golang.org/grpc v1.46.2/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
+google.golang.org/grpc v1.47.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
+google.golang.org/grpc v1.51.0 h1:E1eGv1FTqoLIdnBCZufiSHgKjlqG6fKFf6pPWtMTh8U=
+google.golang.org/grpc v1.51.0/go.mod h1:wgNDFcnuBGmxLKI/qn4T+m5BtEBYXJPvibbUPsAIPww=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
@@ -1073,14 +1004,13 @@ google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlba
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
 google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
-gopkg.in/DataDog/dd-trace-go.v1 v1.34.0/go.mod h1:HtrC65fyJ6lWazShCC9rlOeiTSZJ0XtZhkwjZM2WpC4=
+google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
+google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/coreos/go-oidc.v2 v2.2.1 h1:MY5SZClJ7vhjKfr64a4nHAOV/c3WH2gB9BMrR64J1Mc=
@@ -1099,14 +1029,11 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 grpc.go4.org v0.0.0-20170609214715-11d0a25b4919/go.mod h1:77eQGdRu53HpSqPFJFmuJdjuHRquDANNeA4x7B8WQ9o=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
@@ -1116,24 +1043,9 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-k8s.io/api v0.23.1/go.mod h1:WfXnOnwSqNtG62Y1CdjoMxh7r7u9QXGCkA1u0na2jgo=
-k8s.io/apimachinery v0.23.1/go.mod h1:SADt2Kl8/sttJ62RRsi9MIV4o8f5S3coArm0Iu3fBno=
-k8s.io/client-go v0.23.1/go.mod h1:6QSI8fEuqD4zgFK0xbdwfB/PthBsIxCJMa3s17WlcO0=
-k8s.io/gengo v0.0.0-20210813121822-485abfe95c7c/go.mod h1:FiNAH4ZV3gBg2Kwh89tzAEV2be7d5xI0vBa/VySYy3E=
-k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE=
-k8s.io/klog/v2 v2.2.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y=
-k8s.io/klog/v2 v2.30.0/go.mod h1:y1WjHnz7Dj687irZUWR/WLkLc5N1YHtjLdmgWjndZn0=
-k8s.io/klog/v2 v2.40.1/go.mod h1:y1WjHnz7Dj687irZUWR/WLkLc5N1YHtjLdmgWjndZn0=
-k8s.io/kube-openapi v0.0.0-20211115234752-e816edb12b65/go.mod h1:sX9MT8g7NVZM5lVL/j8QyCCJe8YSMW30QvGZWaCIDIk=
-k8s.io/utils v0.0.0-20210802155522-efc7438f0176/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
-k8s.io/utils v0.0.0-20210930125809-cb0fa318a74b/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
-sigs.k8s.io/json v0.0.0-20211020170558-c049b76a60c6/go.mod h1:p4QtZmO4uMYipTQNzagwnNoseA6OxSUutVw05NhYDRs=
-sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
-sigs.k8s.io/structured-merge-diff/v4 v4.1.2/go.mod h1:j/nl6xW8vLS49O8YvXW1ocPhZawJtm+Yrr7PPRQ0Vg4=
-sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
 sourcegraph.com/sourcegraph/go-diff v0.5.0/go.mod h1:kuch7UrkMzY0X+p9CRK03kfuPQ2zzQcaEFbx8wA8rck=
 sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=
 zombiezen.com/go/capnproto2 v2.18.0+incompatible h1:mwfXZniffG5mXokQGHUJWGnqIBggoPfT/CEwon9Yess=

ingress/config.go

@@ -12,10 +12,11 @@ import (
 )
 
 var (
-	defaultConnectTimeout   = config.CustomDuration{Duration: 30 * time.Second}
-	defaultTLSTimeout       = config.CustomDuration{Duration: 10 * time.Second}
-	defaultTCPKeepAlive     = config.CustomDuration{Duration: 30 * time.Second}
-	defaultKeepAliveTimeout = config.CustomDuration{Duration: 90 * time.Second}
+	defaultHTTPConnectTimeout        = config.CustomDuration{Duration: 30 * time.Second}
+	defaultWarpRoutingConnectTimeout = config.CustomDuration{Duration: 5 * time.Second}
+	defaultTLSTimeout                = config.CustomDuration{Duration: 10 * time.Second}
+	defaultTCPKeepAlive              = config.CustomDuration{Duration: 30 * time.Second}
+	defaultKeepAliveTimeout          = config.CustomDuration{Duration: 90 * time.Second}
 )
 
 const (
@@ -35,47 +36,90 @@ const (
 	NoChunkedEncodingFlag         = "no-chunked-encoding"
 	ProxyAddressFlag              = "proxy-address"
 	ProxyPortFlag                 = "proxy-port"
+	Http2OriginFlag               = "http2-origin"
 )
 
 const (
 	socksProxy = "socks"
 )
 
+type WarpRoutingConfig struct {
+	Enabled        bool                  `yaml:"enabled" json:"enabled"`
+	ConnectTimeout config.CustomDuration `yaml:"connectTimeout" json:"connectTimeout,omitempty"`
+	TCPKeepAlive   config.CustomDuration `yaml:"tcpKeepAlive" json:"tcpKeepAlive,omitempty"`
+}
+
+func NewWarpRoutingConfig(raw *config.WarpRoutingConfig) WarpRoutingConfig {
+	cfg := WarpRoutingConfig{
+		Enabled:        raw.Enabled,
+		ConnectTimeout: defaultWarpRoutingConnectTimeout,
+		TCPKeepAlive:   defaultTCPKeepAlive,
+	}
+	if raw.ConnectTimeout != nil {
+		cfg.ConnectTimeout = *raw.ConnectTimeout
+	}
+	if raw.TCPKeepAlive != nil {
+		cfg.TCPKeepAlive = *raw.TCPKeepAlive
+	}
+	return cfg
+}
+
+func (c *WarpRoutingConfig) RawConfig() config.WarpRoutingConfig {
+	raw := config.WarpRoutingConfig{
+		Enabled: c.Enabled,
+	}
+	if c.ConnectTimeout.Duration != defaultWarpRoutingConnectTimeout.Duration {
+		raw.ConnectTimeout = &c.ConnectTimeout
+	}
+	if c.TCPKeepAlive.Duration != defaultTCPKeepAlive.Duration {
+		raw.TCPKeepAlive = &c.TCPKeepAlive
+	}
+	return raw
+}
+
 // RemoteConfig models ingress settings that can be managed remotely, for example through the dashboard.
 type RemoteConfig struct {
 	Ingress     Ingress
-	WarpRouting config.WarpRoutingConfig
+	WarpRouting WarpRoutingConfig
 }
 
-type remoteConfigJSON struct {
-	GlobalOriginRequest config.OriginRequestConfig      `json:"originRequest"`
+type RemoteConfigJSON struct {
+	GlobalOriginRequest *config.OriginRequestConfig     `json:"originRequest,omitempty"`
 	IngressRules        []config.UnvalidatedIngressRule `json:"ingress"`
 	WarpRouting         config.WarpRoutingConfig        `json:"warp-routing"`
 }
 
 func (rc *RemoteConfig) UnmarshalJSON(b []byte) error {
-	var rawConfig remoteConfigJSON
+	var rawConfig RemoteConfigJSON
+
 	if err := json.Unmarshal(b, &rawConfig); err != nil {
 		return err
 	}
-	ingress, err := validateIngress(rawConfig.IngressRules, originRequestFromConfig(rawConfig.GlobalOriginRequest))
+
+	// if nil, just assume the default values.
+	globalOriginRequestConfig := rawConfig.GlobalOriginRequest
+	if globalOriginRequestConfig == nil {
+		globalOriginRequestConfig = &config.OriginRequestConfig{}
+	}
+
+	ingress, err := validateIngress(rawConfig.IngressRules, originRequestFromConfig(*globalOriginRequestConfig))
 	if err != nil {
 		return err
 	}
 
 	rc.Ingress = ingress
-	rc.WarpRouting = rawConfig.WarpRouting
+	rc.WarpRouting = NewWarpRoutingConfig(&rawConfig.WarpRouting)
 
 	return nil
 }
 
 func originRequestFromSingeRule(c *cli.Context) OriginRequestConfig {
-	var connectTimeout config.CustomDuration = defaultConnectTimeout
-	var tlsTimeout config.CustomDuration = defaultTLSTimeout
-	var tcpKeepAlive config.CustomDuration = defaultTCPKeepAlive
+	var connectTimeout = defaultHTTPConnectTimeout
+	var tlsTimeout = defaultTLSTimeout
+	var tcpKeepAlive = defaultTCPKeepAlive
 	var noHappyEyeballs bool
-	var keepAliveConnections int = defaultKeepAliveConnections
-	var keepAliveTimeout config.CustomDuration = defaultKeepAliveTimeout
+	var keepAliveConnections = defaultKeepAliveConnections
+	var keepAliveTimeout = defaultKeepAliveTimeout
 	var httpHostHeader string
 	var originServerName string
 	var caPool string
@@ -85,6 +129,7 @@ func originRequestFromSingeRule(c *cli.Context) OriginRequestConfig {
 	var proxyAddress = defaultProxyAddress
 	var proxyPort uint
 	var proxyType string
+	var http2Origin bool
 	if flag := ProxyConnectTimeoutFlag; c.IsSet(flag) {
 		connectTimeout = config.CustomDuration{Duration: c.Duration(flag)}
 	}
@@ -128,9 +173,13 @@ func originRequestFromSingeRule(c *cli.Context) OriginRequestConfig {
 		// Note TUN-3758 , we use Int because UInt is not supported with altsrc
 		proxyPort = uint(c.Int(flag))
 	}
+	if flag := Http2OriginFlag; c.IsSet(flag) {
+		http2Origin = c.Bool(flag)
+	}
 	if c.IsSet(Socks5Flag) {
 		proxyType = socksProxy
 	}
+
 	return OriginRequestConfig{
 		ConnectTimeout:         connectTimeout,
 		TLSTimeout:             tlsTimeout,
@@ -147,12 +196,13 @@ func originRequestFromSingeRule(c *cli.Context) OriginRequestConfig {
 		ProxyAddress:           proxyAddress,
 		ProxyPort:              proxyPort,
 		ProxyType:              proxyType,
+		Http2Origin:            http2Origin,
 	}
 }
 
 func originRequestFromConfig(c config.OriginRequestConfig) OriginRequestConfig {
 	out := OriginRequestConfig{
-		ConnectTimeout:       defaultConnectTimeout,
+		ConnectTimeout:       defaultHTTPConnectTimeout,
 		TLSTimeout:           defaultTLSTimeout,
 		TCPKeepAlive:         defaultTCPKeepAlive,
 		KeepAliveConnections: defaultKeepAliveConnections,
@@ -212,6 +262,12 @@ func originRequestFromConfig(c config.OriginRequestConfig) OriginRequestConfig {
 			}
 		}
 	}
+	if c.Http2Origin != nil {
+		out.Http2Origin = *c.Http2Origin
+	}
+	if c.Access != nil {
+		out.Access = *c.Access
+	}
 	return out
 }
 
@@ -255,6 +311,11 @@ type OriginRequestConfig struct {
 	ProxyType string `yaml:"proxyType" json:"proxyType"`
 	// IP rules for the proxy service
 	IPRules []ipaccess.Rule `yaml:"ipRules" json:"ipRules"`
+	// Attempt to connect to origin with HTTP/2
+	Http2Origin bool `yaml:"http2Origin" json:"http2Origin"`
+
+	// Access holds all access related configs
+	Access config.AccessConfig `yaml:"access" json:"access,omitempty"`
 }
 
 func (defaults *OriginRequestConfig) setConnectTimeout(overrides config.OriginRequestConfig) {
@@ -360,12 +421,25 @@ func (defaults *OriginRequestConfig) setIPRules(overrides config.OriginRequestCo
 	}
 }
 
+func (defaults *OriginRequestConfig) setHttp2Origin(overrides config.OriginRequestConfig) {
+	if val := overrides.Http2Origin; val != nil {
+		defaults.Http2Origin = *val
+	}
+}
+
+func (defaults *OriginRequestConfig) setAccess(overrides config.OriginRequestConfig) {
+	if val := overrides.Access; val != nil {
+		defaults.Access = *val
+	}
+}
+
 // SetConfig gets config for the requests that cloudflared sends to origins.
 // Each field has a setter method which sets a value for the field by trying to find:
-//   1. The user config for this rule
-//   2. The user config for the overall ingress config
-//   3. Defaults chosen by the cloudflared team
-//   4. Golang zero values for that type
+//  1. The user config for this rule
+//  2. The user config for the overall ingress config
+//  3. Defaults chosen by the cloudflared team
+//  4. Golang zero values for that type
+//
 // If an earlier option isn't set, it will try the next option down.
 func setConfig(defaults OriginRequestConfig, overrides config.OriginRequestConfig) OriginRequestConfig {
 	cfg := defaults
@@ -385,5 +459,102 @@ func setConfig(defaults OriginRequestConfig, overrides config.OriginRequestConfi
 	cfg.setProxyAddress(overrides)
 	cfg.setProxyType(overrides)
 	cfg.setIPRules(overrides)
+	cfg.setHttp2Origin(overrides)
+	cfg.setAccess(overrides)
+
 	return cfg
 }
+
+func ConvertToRawOriginConfig(c OriginRequestConfig) config.OriginRequestConfig {
+	var connectTimeout *config.CustomDuration
+	var tlsTimeout *config.CustomDuration
+	var tcpKeepAlive *config.CustomDuration
+	var keepAliveConnections *int
+	var keepAliveTimeout *config.CustomDuration
+	var proxyAddress *string
+	var access *config.AccessConfig
+
+	if c.ConnectTimeout != defaultHTTPConnectTimeout {
+		connectTimeout = &c.ConnectTimeout
+	}
+	if c.TLSTimeout != defaultTLSTimeout {
+		tlsTimeout = &c.TLSTimeout
+	}
+	if c.TCPKeepAlive != defaultTCPKeepAlive {
+		tcpKeepAlive = &c.TCPKeepAlive
+	}
+	if c.KeepAliveConnections != defaultKeepAliveConnections {
+		keepAliveConnections = &c.KeepAliveConnections
+	}
+	if c.KeepAliveTimeout != defaultKeepAliveTimeout {
+		keepAliveTimeout = &c.KeepAliveTimeout
+	}
+	if c.ProxyAddress != defaultProxyAddress {
+		proxyAddress = &c.ProxyAddress
+	}
+	if c.Access.Required {
+		access = &c.Access
+	}
+
+	return config.OriginRequestConfig{
+		ConnectTimeout:         connectTimeout,
+		TLSTimeout:             tlsTimeout,
+		TCPKeepAlive:           tcpKeepAlive,
+		NoHappyEyeballs:        defaultBoolToNil(c.NoHappyEyeballs),
+		KeepAliveConnections:   keepAliveConnections,
+		KeepAliveTimeout:       keepAliveTimeout,
+		HTTPHostHeader:         emptyStringToNil(c.HTTPHostHeader),
+		OriginServerName:       emptyStringToNil(c.OriginServerName),
+		CAPool:                 emptyStringToNil(c.CAPool),
+		NoTLSVerify:            defaultBoolToNil(c.NoTLSVerify),
+		DisableChunkedEncoding: defaultBoolToNil(c.DisableChunkedEncoding),
+		BastionMode:            defaultBoolToNil(c.BastionMode),
+		ProxyAddress:           proxyAddress,
+		ProxyPort:              zeroUIntToNil(c.ProxyPort),
+		ProxyType:              emptyStringToNil(c.ProxyType),
+		IPRules:                convertToRawIPRules(c.IPRules),
+		Http2Origin:            defaultBoolToNil(c.Http2Origin),
+		Access:                 access,
+	}
+}
+
+func convertToRawIPRules(ipRules []ipaccess.Rule) []config.IngressIPRule {
+	result := make([]config.IngressIPRule, 0)
+	for _, r := range ipRules {
+		cidr := r.StringCIDR()
+
+		newRule := config.IngressIPRule{
+			Prefix: &cidr,
+			Ports:  r.Ports(),
+			Allow:  r.RulePolicy(),
+		}
+
+		result = append(result, newRule)
+	}
+
+	return result
+}
+
+func defaultBoolToNil(b bool) *bool {
+	if b == false {
+		return nil
+	}
+
+	return &b
+}
+
+func emptyStringToNil(s string) *string {
+	if s == "" {
+		return nil
+	}
+
+	return &s
+}
+
+func zeroUIntToNil(v uint) *uint {
+	if v == 0 {
+		return nil
+	}
+
+	return &v
+}

ingress/config_test.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/stretchr/testify/require"
 	"github.com/urfave/cli/v2"
-	yaml "gopkg.in/yaml.v2"
+	yaml "gopkg.in/yaml.v3"
 
 	"github.com/cloudflare/cloudflared/config"
 	"github.com/cloudflare/cloudflared/ipaccess"
@@ -274,7 +274,7 @@ func TestOriginRequestConfigDefaults(t *testing.T) {
 		// Rule 0 didn't override anything, so it inherits the cloudflared defaults
 		actual0 := ing.Rules[0].Config
 		expected0 := OriginRequestConfig{
-			ConnectTimeout:       defaultConnectTimeout,
+			ConnectTimeout:       defaultHTTPConnectTimeout,
 			TLSTimeout:           defaultTLSTimeout,
 			TCPKeepAlive:         defaultTCPKeepAlive,
 			KeepAliveConnections: defaultKeepAliveConnections,
@@ -404,7 +404,7 @@ func TestDefaultConfigFromCLI(t *testing.T) {
 	c := cli.NewContext(nil, set, nil)
 
 	expected := OriginRequestConfig{
-		ConnectTimeout:       defaultConnectTimeout,
+		ConnectTimeout:       defaultHTTPConnectTimeout,
 		TLSTimeout:           defaultTLSTimeout,
 		TCPKeepAlive:         defaultTCPKeepAlive,
 		KeepAliveConnections: defaultKeepAliveConnections,

ingress/icmp_darwin.go

@@ -0,0 +1,283 @@
+//go:build darwin
+
+package ingress
+
+// This file implements ICMPProxy for Darwin. It uses a non-privileged ICMP socket to send echo requests and listen for
+// echo replies. The source IP of the requests are rewritten to the bind IP of the socket and the socket reads all
+// messages, so we use echo ID to distinguish the replies. Each (source IP, destination IP, echo ID) is assigned a
+// unique echo ID.
+
+import (
+	"context"
+	"fmt"
+	"math"
+	"net/netip"
+	"strconv"
+	"sync"
+	"time"
+
+	"github.com/rs/zerolog"
+	"go.opentelemetry.io/otel/attribute"
+	"golang.org/x/net/icmp"
+
+	"github.com/cloudflare/cloudflared/packet"
+	"github.com/cloudflare/cloudflared/tracing"
+)
+
+type icmpProxy struct {
+	srcFunnelTracker *packet.FunnelTracker
+	echoIDTracker    *echoIDTracker
+	conn             *icmp.PacketConn
+	// Response is handled in one-by-one, so encoder can be shared between funnels
+	encoder     *packet.Encoder
+	logger      *zerolog.Logger
+	idleTimeout time.Duration
+}
+
+// echoIDTracker tracks which ID has been assigned. It first loops through assignment from lastAssignment to then end,
+// then from the beginning to lastAssignment.
+// ICMP echo are short lived. By the time an ID is revisited, it should have been released.
+type echoIDTracker struct {
+	lock sync.Mutex
+	// maps the source IP, destination IP and original echo ID to a unique echo ID obtained from assignment
+	mapping map[flow3Tuple]uint16
+	// assignment tracks if an ID is assigned using index as the ID
+	// The size of the array is math.MaxUint16 because echo ID is 2 bytes
+	assignment [math.MaxUint16]bool
+	// nextAssignment is the next number to check for assigment
+	nextAssignment uint16
+}
+
+func newEchoIDTracker() *echoIDTracker {
+	return &echoIDTracker{
+		mapping: make(map[flow3Tuple]uint16),
+	}
+}
+
+// Get assignment or assign a new ID.
+func (eit *echoIDTracker) getOrAssign(key flow3Tuple) (id uint16, success bool) {
+	eit.lock.Lock()
+	defer eit.lock.Unlock()
+	id, exists := eit.mapping[key]
+	if exists {
+		return id, true
+	}
+
+	if eit.nextAssignment == math.MaxUint16 {
+		eit.nextAssignment = 0
+	}
+
+	for i, assigned := range eit.assignment[eit.nextAssignment:] {
+		if !assigned {
+			echoID := uint16(i) + eit.nextAssignment
+			eit.set(key, echoID)
+			return echoID, true
+		}
+	}
+	for i, assigned := range eit.assignment[0:eit.nextAssignment] {
+		if !assigned {
+			echoID := uint16(i)
+			eit.set(key, echoID)
+			return echoID, true
+		}
+	}
+	return 0, false
+}
+
+// Caller should hold the lock
+func (eit *echoIDTracker) set(key flow3Tuple, assignedEchoID uint16) {
+	eit.assignment[assignedEchoID] = true
+	eit.mapping[key] = assignedEchoID
+	eit.nextAssignment = assignedEchoID + 1
+}
+
+func (eit *echoIDTracker) release(key flow3Tuple, assigned uint16) bool {
+	eit.lock.Lock()
+	defer eit.lock.Unlock()
+
+	currentEchoID, exists := eit.mapping[key]
+	if exists && assigned == currentEchoID {
+		delete(eit.mapping, key)
+		eit.assignment[assigned] = false
+		return true
+	}
+	return false
+}
+
+type echoFunnelID uint16
+
+func (snf echoFunnelID) Type() string {
+	return "echoID"
+}
+
+func (snf echoFunnelID) String() string {
+	return strconv.FormatUint(uint64(snf), 10)
+}
+
+func newICMPProxy(listenIP netip.Addr, zone string, logger *zerolog.Logger, idleTimeout time.Duration) (*icmpProxy, error) {
+	conn, err := newICMPConn(listenIP, zone)
+	if err != nil {
+		return nil, err
+	}
+	logger.Info().Msgf("Created ICMP proxy listening on %s", conn.LocalAddr())
+	return &icmpProxy{
+		srcFunnelTracker: packet.NewFunnelTracker(),
+		echoIDTracker:    newEchoIDTracker(),
+		encoder:          packet.NewEncoder(),
+		conn:             conn,
+		logger:           logger,
+		idleTimeout:      idleTimeout,
+	}, nil
+}
+
+func (ip *icmpProxy) Request(ctx context.Context, pk *packet.ICMP, responder *packetResponder) error {
+	ctx, span := responder.requestSpan(ctx, pk)
+	defer responder.exportSpan()
+
+	originalEcho, err := getICMPEcho(pk.Message)
+	if err != nil {
+		tracing.EndWithErrorStatus(span, err)
+		return err
+	}
+	span.SetAttributes(
+		attribute.Int("originalEchoID", originalEcho.ID),
+		attribute.Int("seq", originalEcho.Seq),
+	)
+	echoIDTrackerKey := flow3Tuple{
+		srcIP:          pk.Src,
+		dstIP:          pk.Dst,
+		originalEchoID: originalEcho.ID,
+	}
+	assignedEchoID, success := ip.echoIDTracker.getOrAssign(echoIDTrackerKey)
+	if !success {
+		err := fmt.Errorf("failed to assign unique echo ID")
+		tracing.EndWithErrorStatus(span, err)
+		return err
+	}
+	span.SetAttributes(attribute.Int("assignedEchoID", int(assignedEchoID)))
+
+	shouldReplaceFunnelFunc := createShouldReplaceFunnelFunc(ip.logger, responder.datagramMuxer, pk, originalEcho.ID)
+	newFunnelFunc := func() (packet.Funnel, error) {
+		originalEcho, err := getICMPEcho(pk.Message)
+		if err != nil {
+			return nil, err
+		}
+		closeCallback := func() error {
+			ip.echoIDTracker.release(echoIDTrackerKey, assignedEchoID)
+			return nil
+		}
+		icmpFlow := newICMPEchoFlow(pk.Src, closeCallback, ip.conn, responder, int(assignedEchoID), originalEcho.ID, ip.encoder)
+		return icmpFlow, nil
+	}
+	funnelID := echoFunnelID(assignedEchoID)
+	funnel, isNew, err := ip.srcFunnelTracker.GetOrRegister(funnelID, shouldReplaceFunnelFunc, newFunnelFunc)
+	if err != nil {
+		tracing.EndWithErrorStatus(span, err)
+		return err
+	}
+	if isNew {
+		span.SetAttributes(attribute.Bool("newFlow", true))
+		ip.logger.Debug().
+			Str("src", pk.Src.String()).
+			Str("dst", pk.Dst.String()).
+			Int("originalEchoID", originalEcho.ID).
+			Int("assignedEchoID", int(assignedEchoID)).
+			Msg("New flow")
+	}
+	icmpFlow, err := toICMPEchoFlow(funnel)
+	if err != nil {
+		tracing.EndWithErrorStatus(span, err)
+		return err
+	}
+	err = icmpFlow.sendToDst(pk.Dst, pk.Message)
+	if err != nil {
+		tracing.EndWithErrorStatus(span, err)
+		return err
+	}
+	tracing.End(span)
+	return nil
+}
+
+// Serve listens for responses to the requests until context is done
+func (ip *icmpProxy) Serve(ctx context.Context) error {
+	go func() {
+		<-ctx.Done()
+		ip.conn.Close()
+	}()
+	go func() {
+		ip.srcFunnelTracker.ScheduleCleanup(ctx, ip.idleTimeout)
+	}()
+	buf := make([]byte, mtu)
+	icmpDecoder := packet.NewICMPDecoder()
+	for {
+		n, from, err := ip.conn.ReadFrom(buf)
+		if err != nil {
+			return err
+		}
+		reply, err := parseReply(from, buf[:n])
+		if err != nil {
+			ip.logger.Debug().Err(err).Str("dst", from.String()).Msg("Failed to parse ICMP reply, continue to parse as full packet")
+			// In unit test, we found out when the listener listens on 0.0.0.0, the socket reads the full packet after
+			// the second reply
+			if err := ip.handleFullPacket(ctx, icmpDecoder, buf[:n]); err != nil {
+				ip.logger.Debug().Err(err).Str("dst", from.String()).Msg("Failed to parse ICMP reply as full packet")
+			}
+			continue
+		}
+		if !isEchoReply(reply.msg) {
+			ip.logger.Debug().Str("dst", from.String()).Msgf("Drop ICMP %s from reply", reply.msg.Type)
+			continue
+		}
+		if err := ip.sendReply(ctx, reply); err != nil {
+			ip.logger.Debug().Err(err).Str("dst", from.String()).Msg("Failed to send ICMP reply")
+			continue
+		}
+	}
+}
+
+func (ip *icmpProxy) handleFullPacket(ctx context.Context, decoder *packet.ICMPDecoder, rawPacket []byte) error {
+	icmpPacket, err := decoder.Decode(packet.RawPacket{Data: rawPacket})
+	if err != nil {
+		return err
+	}
+	echo, err := getICMPEcho(icmpPacket.Message)
+	if err != nil {
+		return err
+	}
+	reply := echoReply{
+		from: icmpPacket.Src,
+		msg:  icmpPacket.Message,
+		echo: echo,
+	}
+	if ip.sendReply(ctx, &reply); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (ip *icmpProxy) sendReply(ctx context.Context, reply *echoReply) error {
+	funnelID := echoFunnelID(reply.echo.ID)
+	funnel, ok := ip.srcFunnelTracker.Get(funnelID)
+	if !ok {
+		return packet.ErrFunnelNotFound
+	}
+	icmpFlow, err := toICMPEchoFlow(funnel)
+	if err != nil {
+		return err
+	}
+
+	_, span := icmpFlow.responder.replySpan(ctx, ip.logger)
+	defer icmpFlow.responder.exportSpan()
+
+	span.SetAttributes(
+		attribute.String("dst", reply.from.String()),
+		attribute.Int("echoID", reply.echo.ID),
+		attribute.Int("seq", reply.echo.Seq),
+		attribute.Int("originalEchoID", icmpFlow.originalEchoID),
+	)
+	if err := icmpFlow.returnToSrc(reply); err != nil {
+		tracing.EndWithErrorStatus(span, err)
+	}
+	tracing.End(span)
+	return nil
+}

ingress/icmp_darwin_test.go

@@ -0,0 +1,129 @@
+//go:build darwin
+
+package ingress
+
+import (
+	"math"
+	"net/netip"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/cloudflare/cloudflared/packet"
+)
+
+func TestSingleEchoIDTracker(t *testing.T) {
+	tracker := newEchoIDTracker()
+	key := flow3Tuple{
+		srcIP:          netip.MustParseAddr("172.16.0.1"),
+		dstIP:          netip.MustParseAddr("172.16.0.2"),
+		originalEchoID: 5182,
+	}
+
+	// not assigned yet, so nothing to release
+	require.False(t, tracker.release(key, 0))
+
+	echoID, ok := tracker.getOrAssign(key)
+	require.True(t, ok)
+	require.Equal(t, uint16(0), echoID)
+
+	//  Second time should return the same echo ID
+	echoID, ok = tracker.getOrAssign(key)
+	require.True(t, ok)
+	require.Equal(t, uint16(0), echoID)
+
+	// releasing a different ID returns false
+	require.False(t, tracker.release(key, 1999))
+	require.True(t, tracker.release(key, echoID))
+	// releasing the second time returns false
+	require.False(t, tracker.release(key, echoID))
+
+	// Move to the next IP
+	echoID, ok = tracker.getOrAssign(key)
+	require.True(t, ok)
+	require.Equal(t, uint16(1), echoID)
+}
+
+func TestFullEchoIDTracker(t *testing.T) {
+	var (
+		dstIP          = netip.MustParseAddr("192.168.0.1")
+		originalEchoID = 41820
+	)
+	tracker := newEchoIDTracker()
+	firstSrcIP := netip.MustParseAddr("172.16.0.1")
+	srcIP := firstSrcIP
+
+	for i := uint16(0); i < math.MaxUint16; i++ {
+		key := flow3Tuple{
+			srcIP:          srcIP,
+			dstIP:          dstIP,
+			originalEchoID: originalEchoID,
+		}
+		echoID, ok := tracker.getOrAssign(key)
+		require.True(t, ok)
+		require.Equal(t, i, echoID)
+
+		echoID, ok = tracker.get(key)
+		require.True(t, ok)
+		require.Equal(t, i, echoID)
+
+		srcIP = srcIP.Next()
+	}
+
+	key := flow3Tuple{
+		srcIP:          srcIP.Next(),
+		dstIP:          dstIP,
+		originalEchoID: originalEchoID,
+	}
+	// All echo IDs are assigned
+	echoID, ok := tracker.getOrAssign(key)
+	require.False(t, ok)
+	require.Equal(t, uint16(0), echoID)
+
+	srcIP = firstSrcIP
+	for i := uint16(0); i < math.MaxUint16; i++ {
+		key := flow3Tuple{
+			srcIP:          srcIP,
+			dstIP:          dstIP,
+			originalEchoID: originalEchoID,
+		}
+		ok := tracker.release(key, i)
+		require.True(t, ok)
+
+		echoID, ok = tracker.get(key)
+		require.False(t, ok)
+		require.Equal(t, uint16(0), echoID)
+		srcIP = srcIP.Next()
+	}
+
+	// The IDs are assignable again
+	srcIP = firstSrcIP
+	for i := uint16(0); i < math.MaxUint16; i++ {
+		key := flow3Tuple{
+			srcIP:          srcIP,
+			dstIP:          dstIP,
+			originalEchoID: originalEchoID,
+		}
+		echoID, ok := tracker.getOrAssign(key)
+		require.True(t, ok)
+		require.Equal(t, i, echoID)
+
+		echoID, ok = tracker.get(key)
+		require.True(t, ok)
+		require.Equal(t, i, echoID)
+		srcIP = srcIP.Next()
+	}
+}
+
+func (eit *echoIDTracker) get(key flow3Tuple) (id uint16, exist bool) {
+	eit.lock.Lock()
+	defer eit.lock.Unlock()
+	id, exists := eit.mapping[key]
+	return id, exists
+}
+
+func getFunnel(t *testing.T, proxy *icmpProxy, tuple flow3Tuple) (packet.Funnel, bool) {
+	assignedEchoID, success := proxy.echoIDTracker.getOrAssign(tuple)
+	require.True(t, success)
+	return proxy.srcFunnelTracker.Get(echoFunnelID(assignedEchoID))
+}