Release 2023.2.1

This reverts commit c24f275981.

.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} \

CHANGES.md

@@ -1,3 +1,9 @@
+## 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.

Makefile

@@ -108,6 +108,9 @@ else
 	PACKAGE_ARCH := $(TARGET_ARCH)
 endif
 
+#for FIPS compliance, FPM defaults to MD5.
+RPM_DIGEST := --rpm-digest sha256
+
 .PHONY: all
 all: cloudflared test
 
@@ -163,13 +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 $(PACKAGE_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
 
@@ -297,8 +300,8 @@ quic-deps:
 
 .PHONY: vet
 vet:
-	go vet -v -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)

RELEASE_NOTES

@@ -1,3 +1,50 @@
+2023.2.1
+- 2023-02-01 TUN-7065: Revert Ingress Rule check for named tunnel configurations
+- 2023-02-01 Revert "TUN-7065: Revert Ingress Rule check for named tunnel configurations"
+- 2023-02-01 Revert "TUN-7065: Remove classic tunnel creation"
+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

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
-cml0eTEWMBQGA1UEBxMNU2FuIEZyYW5jaXNjbzETMBEGA1UECBMKQ2FsaWZvcm5p
-YTEXMBUGA1UEAxMOKGRldiB1c2Ugb25seSkwHhcNMTcxMDEzMTM1OTAwWhcNMzIx
-MDA5MTM1OTAwWjBiMRkwFwYDVQQKExBDbG91ZEZsYXJlLCBJbmMuMR0wGwYDVQQL
-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-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
-z0lHjGV90qrFpq5o0jx0sLbDlDvpFPbIO58uYzKG4Sn2VTC4rOyXPE6SuDvMHIeX
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-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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-MDA5MTM1OTAwWjBiMRkwFwYDVQQKExBDbG91ZEZsYXJlLCBJbmMuMR0wGwYDVQQL
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-PE6SuDvMHIeX6Ekw4wSVQ9eTbksLQqTyxSqM3zp2ygc56SjGjy1nGQT8ZBGFzSbZ
-AzNOxVKrUsySx7LzZVl+zCGCPlQwaYLKObKXadZJmrqSFmErC5jcbVgBz7oJQOgl
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-VR0lBAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUzA6f2Ajq
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-YXJlLmNvbS9vcmlnaW5fZWNjX2NhMCMGA1UdEQQcMBqCDCouYXJub2xkLmNvbYIK
-YXJub2xkLmNvbTA8BgNVHR8ENTAzMDGgL6AthitodHRwOi8vY3JsLmNsb3VkZmxh
-cmUuY29tL29yaWdpbl9lY2NfY2EuY3JsMAoGCCqGSM49BAMCA0gAMEUCIDV7HoMj
-K5rShE/l+90YAOzHC89OH/wUz3I5KYOFuehoAiEA8e92aIf9XBkr0K6EvFCiSsD+
-x+Yo/cL8fGfVpPt4UM8=
------END CERTIFICATE-----
------BEGIN CERTIFICATE-----
-MIID+jCCA6CgAwIBAgIUJhFxUKEGvTRc3CjCok6dbPGH/P4wCgYIKoZIzj0EAwIw
-gagxCzAJBgNVBAYTAlVTMRkwFwYDVQQKExBDbG91ZEZsYXJlLCBJbmMuMTgwNgYD
-VQQLEy9DbG91ZEZsYXJlIE9yaWdpbiBTU0wgRUNDIENlcnRpZmljYXRlIEF1dGhv
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-aW4gQ2VydGlmaWNhdGUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCf
-GswL16Fz9Ei3sAg5AmBizoN2nZdyXHP8T57UxUMcrlJXEEXCVS5RR4m9l+EmK0ng
-6yHR1H5oX1Lg1WKyXgWwr0whwmdTD+qWFJW2M8HyefyBKLrsGPuxw4CVYT0h72bx
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-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-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-----
 N2IwYTRkNzdkZmI4ODFjMWEzYjdkNjFlYTk0NDNlMTkKdjEuMC01OGJkNGY5ZTI4
 ZjdiM2MyOGUwNWEzNWZmM2U4MGFiNGZkOTY0NGVmM2ZlY2U1MzdlYjBkMTJlMmU5
 MjU4MjE3LTE4MzQ0MmZiYjBiYmRiM2U1NzE1NThmZWM5YjU1ODllYmQ3N2FhZmM4
@@ -58,7 +58,7 @@ NzQ5OGVlM2YwOWY2NGE0YWQ3OWZmZTg3OTFlZGJhZTA4YjM2YzFkOGYxZDcwYTg2
 NzBkZTU2OTIyZGZmOTJiMTVkMjE0YTUyNGY0ZWJmYTE5NTg4NTllLTdjZTgwZjc5
 OTIxMzEyYTYwMjJjNWQyNWUyZDM4MGY4MmNlYWVmZTNmYmRjNDNkZDEzYjA4MGUz
 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
-1WKyXgWwr0whwmdTD+qWFJW2M8HyefyBKLrsGPuxw4CVYT0h72bxtG0uyrXYh7Mt
-z0lHjGV90qrFpq5o0jx0sLbDlDvpFPbIO58uYzKG4Sn2VTC4rOyXPE6SuDvMHIeX
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-x7LzZVl+zCGCPlQwaYLKObKXadZJmrqSFmErC5jcbVgBz7oJQOglHJ2n0sMcZ+Ja
-1Y649mPVAgMBAAECggEAEbPF0ah9fH0IzTU/CPbIeh3flyY8GDuMpR1HvwUurSWB
-IFI9bLyVAXKb8vYP1TMaTnXi5qmFof+/JShgyZc3+1tZtWTfoaiC8Y1bRfE2yk+D
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-2UdqaszXqunFo/3h+Tn9dW2C7gTTZx4+mfyaws3p3YOmdYArXvpejxHIc0FGwLBm
-sb9K7wGVUiF0Bt0ch+C1mdYrCaFNHnPuDswjmm3FwQKBgQDYtxOwwSLA6ZyppozX
-Doyx9a7PhiMHCFKSdVB4l8rpK545a+AmpG6LRScTtBsMTHBhT3IQ3QPWlVm1AhjF
-AvXMa1rOeaGbCbDn1xqEoEVPtj4tys8eTfyWmtU73jWTFauOt4/xpf/urEpg91xj
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-pb9Yifn5QQKBgQCmGu0EtYQlyOlDP10EGSrN3Dm45l9CrKZdi326cN4eCkikSoLs
-G2x/YumouItiydP5QiNzuXOPrbmse4bwumwb2s0nJSMw6iSmDsFMlmuJxW2zO5e0
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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
-VQQLEy9DbG91ZEZsYXJlIE9yaWdpbiBTU0wgRUNDIENlcnRpZmljYXRlIEF1dGhv
-cml0eTEWMBQGA1UEBxMNU2FuIEZyYW5jaXNjbzETMBEGA1UECBMKQ2FsaWZvcm5p
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-MDA5MTM1OTAwWjBiMRkwFwYDVQQKExBDbG91ZEZsYXJlLCBJbmMuMR0wGwYDVQQL
-ExRDbG91ZEZsYXJlIE9yaWdpbiBDQTEmMCQGA1UEAxMdQ2xvdWRGbGFyZSBPcmln
-aW4gQ2VydGlmaWNhdGUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCf
-GswL16Fz9Ei3sAg5AmBizoN2nZdyXHP8T57UxUMcrlJXEEXCVS5RR4m9l+EmK0ng
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-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=1.18.6-1
-pinned_go_fips: &pinned_go_fips go-boring=1.18.6-1
+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: 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
@@ -163,12 +169,8 @@ stretch: &stretch
       - make github-windows-upload
   test:
     build_dir: *build_dir
-    builddeps:
-      - *pinned_go
-      - build-essential
-      - gotest-to-teamcity
-    pre-cache: &test_pre_cache
-      - go install golang.org/x/tools/cmd/goimports@latest
+    builddeps: *build_deps
+    pre-cache: *build_pre_cache
     post-cache:
       - export GOOS=linux
       - export GOARCH=amd64
@@ -177,11 +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

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}}
 `
@@ -205,7 +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
 	}
 
@@ -254,7 +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)
@@ -317,7 +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")))

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"
@@ -50,7 +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)
 
@@ -158,8 +157,10 @@ func action(graceShutdownC chan struct{}) cli.ActionFunc {
 		}
 		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)
 		}
@@ -187,7 +188,7 @@ 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/tunnel/cmd.go

@@ -14,7 +14,7 @@ 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"
@@ -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 (
@@ -166,21 +175,34 @@ 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("hostname") == "" && 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)
+	// Start a classic tunnel if hostname is specified.
+	if c.String("hostname") != "" {
+		return runClassicTunnel(sc)
 	}
 
-	// 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{}) {
@@ -236,12 +258,19 @@ func StartServer(
 	namedTunnel *connection.NamedTunnelProperties,
 	log *zerolog.Logger,
 ) 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())
 	}
 
@@ -372,7 +401,12 @@ func StartServer(
 		defer wg.Done()
 		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, c.Int("ha-connections"))
@@ -591,6 +625,12 @@ 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",

cmd/cloudflared/tunnel/configuration.go

@@ -376,15 +376,16 @@ 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,
-		NeedPQ:           needPQ,
-		PQKexIdx:         pqKexIdx,
+		Retries:            uint(c.Int("retries")),
+		RunFromTerminal:    isRunningFromTerminal(),
+		NamedTunnel:        namedTunnel,
+		ClassicTunnel:      classicTunnel,
+		MuxerConfig:        muxerConfig,
+		ProtocolSelector:   protocolSelector,
+		EdgeTLSConfigs:     edgeTLSConfigs,
+		NeedPQ:             needPQ,
+		PQKexIdx:           pqKexIdx,
+		MaxEdgeAddrRetries: uint8(c.Int("max-edge-addr-retries")),
 	}
 	packetConfig, err := newPacketConfig(c, log)
 	if err != nil {

cmd/cloudflared/tunnel/subcommand_context.go

@@ -74,7 +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,
 	)

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

@@ -783,7 +783,7 @@ func tokenCommand(c *cli.Context) error {
 		return err
 	}
 
-	fmt.Printf("%s", encodedToken)
+	fmt.Println(encodedToken)
 	return nil
 }
 
@@ -821,7 +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 lb [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)

config/configuration.go

@@ -391,7 +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

connection/connection_test.go

@@ -10,6 +10,7 @@ import (
 
 	"github.com/rs/zerolog"
 
+	"github.com/cloudflare/cloudflared/stream"
 	"github.com/cloudflare/cloudflared/tracing"
 	tunnelpogs "github.com/cloudflare/cloudflared/tunnelrpc/pogs"
 	"github.com/cloudflare/cloudflared/websocket"
@@ -140,7 +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
@@ -178,7 +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

connection/control.go

@@ -85,7 +85,7 @@ func (c *controlStream) ServeControlStream(
 		return err
 	}
 
-	c.observer.logServerInfo(c.connIndex, registrationDetails.Location, c.edgeAddress, fmt.Sprintf("Connection %s registered", registrationDetails.UUID))
+	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()
 

connection/http2.go

@@ -115,52 +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, c.orchestrator); 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.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{
+		requestErr = originProxy.ProxyTCP(r.Context(), rws, &TCPRequest{
 			Dest:      host,
 			CFRay:     FindCfRayHeader(r),
 			LBProbe:   IsLBProbeRequest(r),
 			CfTraceID: r.Header.Get(tracing.TracerContextName),
-		}); err != nil {
-			respWriter.WriteErrorResponse()
-		}
+		})
 
 	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)
+		}
 	}
 }
 
@@ -275,9 +275,16 @@ func (rp *http2RespWriter) WriteRespHeaders(status int, header http.Header) erro
 	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/quic.go

@@ -81,6 +81,8 @@ func NewQUICConnection(
 
 	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}
 	}
 
@@ -191,7 +193,11 @@ func (q *QUICConnection) runStream(quicStream quic.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.Err(err).Msg("Failed to handle QUIC stream")
+		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)
 	}
 }
 
@@ -224,43 +230,60 @@ func (q *QUICConnection) handleDataStream(ctx context.Context, stream *quicpogs.
 		return err
 	}
 
-	if err := q.dispatchRequest(ctx, stream, err, request); err != nil {
-		_ = stream.WriteConnectResponseData(err)
+	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
+		}
+
+		if writeRespErr := stream.WriteConnectResponseData(err); writeRespErr != nil {
+			return writeRespErr
+		}
 	}
 
 	return nil
 }
 
-func (q *QUICConnection) dispatchRequest(ctx context.Context, stream *quicpogs.RequestServerStream, err error, request *quicpogs.ConnectRequest) error {
+// 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
+		return err, false
 	}
 
 	switch request.Type {
 	case quicpogs.ConnectionTypeHTTP, quicpogs.ConnectionTypeWebsocket:
 		tracedReq, err := buildHTTPRequest(ctx, request, stream, q.logger)
 		if err != nil {
-			return err
+			return err, false
 		}
 		w := newHTTPResponseAdapter(stream)
-		return originProxy.ProxyHTTP(w, tracedReq, request.Type == quicpogs.ConnectionTypeWebsocket)
+		return originProxy.ProxyHTTP(&w, tracedReq, request.Type == quicpogs.ConnectionTypeWebsocket), w.connectResponseSent
 
 	case quicpogs.ConnectionTypeTCP:
-		rwa := &streamReadWriteAcker{stream}
+		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
 	}
-	return nil
 }
 
 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
@@ -355,6 +378,7 @@ 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.
@@ -363,23 +387,25 @@ func (s *streamReadWriteAcker) AckConnection(tracePropagation string) error {
 		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) AddTrailer(trailerName, trailerValue string) {
+func (hrw *httpResponseAdapter) AddTrailer(trailerName, trailerValue string) {
 	// we do not support trailers over QUIC
 }
 
-func (hrw httpResponseAdapter) WriteRespHeaders(status int, header http.Header) error {
+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 {
@@ -388,13 +414,19 @@ 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 (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,

dev.Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.18 as builder
+FROM golang:1.19 as builder
 ENV GO111MODULE=on \
     CGO_ENABLED=0
 WORKDIR /go/src/github.com/cloudflare/cloudflared/

edgediscovery/allregions/discovery.go

@@ -71,11 +71,14 @@ type EdgeAddr struct {
 // 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

edgediscovery/allregions/regions.go

@@ -2,6 +2,7 @@ package allregions
 
 import (
 	"fmt"
+	"math/rand"
 
 	"github.com/rs/zerolog"
 )
@@ -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)
 	}

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

go.mod

@@ -1,32 +1,32 @@
 module github.com/cloudflare/cloudflared
 
-go 1.18
+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/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 v0.28.1
-	github.com/mattn/go-colorable v0.1.8
-	github.com/miekg/dns v1.1.45
+	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/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
@@ -35,12 +35,12 @@ 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 v0.0.0-20220722155217-630584e8d5aa
-	golang.org/x/net v0.0.0-20220909164309-bea034e7d591
-	golang.org/x/sync v0.0.0-20220601150217-0de741cfad7f
-	golang.org/x/sys v0.0.0-20220808155132-1c4a2a72c664
-	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211
-	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
@@ -49,10 +49,10 @@ require (
 )
 
 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
@@ -72,31 +72,33 @@ 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/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 v0.0.12 // 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/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 v0.0.0-20220822191816-0ebed06d0094 // indirect
-	golang.org/x/text v0.3.7 // indirect
-	golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2 // indirect
-	golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f // 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 v0.0.0-20220616135557-88e70c0c3a90 // indirect
-	google.golang.org/grpc v1.47.0 // 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.v2 v2.4.0 // indirect
 )
@@ -113,8 +115,8 @@ 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 v0.0.0-20221010110824-0053225e48b2
+	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 v0.0.0-20221010110800-4f3769902fe0
+	github.com/marten-seemann/qtls-go1-19 => github.com/cloudflare/qtls-pq v0.0.0-20230103171656-05e84f90909e
 )

go.sum

@@ -61,37 +61,11 @@ dmitri.shuralyov.com/html/belt v0.0.0-20180602232347-f7d459c86be0/go.mod h1:JLBr
 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/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=
@@ -101,8 +75,6 @@ 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=
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@@ -112,8 +84,8 @@ github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7
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@@ -132,10 +104,10 @@ github.com/cloudflare/circl v1.2.1-0.20220809205628-0a9554f37a47 h1:YzpECHxZ9TzO
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@@ -147,16 +119,14 @@ github.com/cncf/xds/go v0.0.0-20211001041855-01bcc9b48dfe/go.mod h1:eXthEFrGJvWH
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-github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
-github.com/go-openapi/jsonpointer v0.19.5/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
-github.com/go-openapi/jsonreference v0.19.3/go.mod h1:rjx6GuL8TTa9VaixXglHmQmIL98+wF9xc8zWvFonSJ8=
-github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
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@@ -244,21 +194,15 @@ github.com/gobwas/pool v0.2.1 h1:xfeeEhW7pwmX8nuLVlqbzVc7udMDrwetjEv+TZIz1og=
 github.com/gobwas/pool v0.2.1/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
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 github.com/gobwas/ws v1.0.4/go.mod h1:szmBTxLgaFppYjEmNtny/v3w89xOydFnnZMcgRRu/EM=
-github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
-github.com/gogo/googleapis v1.1.0/go.mod h1:gf4bu3Q80BeJ6H1S1vYPm8/ELATdvryBaNFGgqEef3s=
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-github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
-github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
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-github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
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@@ -288,12 +232,9 @@ github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaS
 github.com/golang/protobuf v1.5.1/go.mod h1:DopwsBzvsk0Fs44TXzsVbJyPhcCPeIwnvohx4u74HPM=
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-github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
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-github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
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-github.com/google/btree v1.0.1/go.mod h1:xXMiIv4Fb/0kKde4SpL7qlzvu5cMJDRkFDxJfI9uaxA=
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@@ -307,13 +248,11 @@ github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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 github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
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-github.com/google/gofuzz v1.1.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
-github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
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@@ -331,7 +270,6 @@ github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLe
 github.com/google/pprof v0.0.0-20201203190320-1bf35d6f28c2/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
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-github.com/google/pprof v0.0.0-20210423192551-a2663126120b/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
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@@ -350,47 +288,25 @@ github.com/googleapis/gax-go/v2 v2.1.1/go.mod h1:hddJymUZASv3XPyGkUpKj8pPO47Rmb0
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-github.com/jcmturner/goidentity/v6 v6.0.1/go.mod h1:X1YW3bgtvwAXju7V3LCIMpY0Gbxyjn/mY9zx4tFonSg=
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 github.com/jellevandenhooff/dkim v0.0.0-20150330215556-f50fe3d243e1/go.mod h1:E0B/fFc00Y+Rasa88328GlI/XbtyysCtTHZS8h7IrBU=
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 github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4=
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@@ -401,14 +317,11 @@ github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1
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-github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
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-github.com/klauspost/compress v1.13.6/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
-github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
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 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
@@ -419,29 +332,23 @@ github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
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@@ -504,8 +393,9 @@ github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXP
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@@ -563,42 +452,32 @@ github.com/shurcooL/webdavfs v0.0.0-20170829043945-18c3829fa133/go.mod h1:hKmq5k
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-github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
-github.com/xdg-go/scram v1.0.2/go.mod h1:1WAq6h33pAW+iRreB34OORO2Nf7qel3VV3fjBj+hCSs=
-github.com/xdg-go/stringprep v1.0.2/go.mod h1:8F9zXuvzgwmyT5DUm4GUfZGDdT3W+LCvS6+da4O5kxM=
 github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
-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=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
@@ -623,11 +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=
 go.opentelemetry.io/proto/otlp v0.15.0 h1:h0bKrvdrT/9sBwEJ6iWUqT/N/xPcS66bL4u3isneJ6w=
 go.opentelemetry.io/proto/otlp v0.15.0/go.mod h1:H7XAot3MsfNsj7EXtrA2q5xSNQ10UqI405h3+duxN4U=
-go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/automaxprocs v1.4.0 h1:CpDZl6aOlLhReez+8S3eEotD7Jx0Os++lemPlMULQP0=
 go.uber.org/automaxprocs v1.4.0/go.mod h1:/mTEdr7LvHhs0v7mjdxDreTz1OG5zdZGqgOnhWiR/+Q=
-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=
@@ -639,13 +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=
-golang.org/x/crypto v0.0.0-20201112155050-0c6587e931a9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20210817164053-32db794688a5/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.0.0-20210920023735-84f357641f63/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa h1:zuSxTR4o9y82ebqCUJYNGJbGPo6sKVl54f/TVDObg1c=
 golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.5.0 h1:U/0M97KRkSFvyD/3FSmdP5W5swImpNgle/EHFhOsQPE=
+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=
@@ -681,8 +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=
 golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-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=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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@@ -701,8 +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=
 golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 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=
-golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 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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@@ -730,10 +601,7 @@ 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=
 golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210726213435-c6fcb2dbf985/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20210917221730-978cfadd31cf/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20211209124913-491a49abca63/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20211216030914-fe4d6282115f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
 golang.org/x/net v0.0.0-20220225172249-27dd8689420f/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
 golang.org/x/net v0.0.0-20220325170049-de3da57026de/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
@@ -742,8 +610,8 @@ golang.org/x/net v0.0.0-20220425223048-2871e0cb64e4/go.mod h1:CfG3xpIq0wQ8r1q4Su
 golang.org/x/net v0.0.0-20220607020251-c690dde0001d/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.0.0-20220826154423-83b083e8dc8b/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
-golang.org/x/net v0.0.0-20220909164309-bea034e7d591 h1:D0B/7al0LLrVC8aWF4+oxpv/m8bc7ViFfVS8/gXGdqI=
-golang.org/x/net v0.0.0-20220909164309-bea034e7d591/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
+golang.org/x/net v0.5.0 h1:GyT4nK/YDHSqa1c4753ouYCDajOYKTja9Xb/OHtgvSw=
+golang.org/x/net v0.5.0/go.mod h1:DivGGAXEgPSlEBzxGzZI+ZLohi+xUj054jfeKui00ws=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181017192945-9dcd33a902f4/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@@ -766,8 +634,9 @@ golang.org/x/oauth2 v0.0.0-20220223155221-ee480838109b/go.mod h1:DAh4E804XQdzx2j
 golang.org/x/oauth2 v0.0.0-20220309155454-6242fa91716a/go.mod h1:DAh4E804XQdzx2j+YRIaUnCqCV2RuMz24cGBJ5QYIrc=
 golang.org/x/oauth2 v0.0.0-20220411215720-9780585627b5/go.mod h1:DAh4E804XQdzx2j+YRIaUnCqCV2RuMz24cGBJ5QYIrc=
 golang.org/x/oauth2 v0.0.0-20220608161450-d0670ef3b1eb/go.mod h1:jaDAt6Dkxork7LmZnYtzbRWj0W47D86a3TGe0YHBvmE=
-golang.org/x/oauth2 v0.0.0-20220822191816-0ebed06d0094 h1:2o1E+E8TpNLklK9nHiPiK1uzIYrIHt+cQx3ynCwq9V8=
 golang.org/x/oauth2 v0.0.0-20220822191816-0ebed06d0094/go.mod h1:h4gKUeWbJ4rQPri7E0u6Gs4e9Ri2zaLxzw5DI5XGrYg=
+golang.org/x/oauth2 v0.4.0 h1:NF0gk8LVPg1Ml7SSbGyySuoxdsXitj7TvgvuRxIMc/M=
+golang.org/x/oauth2 v0.4.0/go.mod h1:RznEsdpjGAINPTOF0UH/t+xJ75L18YO3Ho6Pyn+uRec=
 golang.org/x/perf v0.0.0-20180704124530-6e6d33e29852/go.mod h1:JLpeXjPJfIyPr5TlbXLkXWLhP8nz10XfvxElABhCtcw=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -780,8 +649,9 @@ golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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 golang.org/x/sync v0.0.0-20220601150217-0de741cfad7f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
+golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -798,17 +668,13 @@ golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -837,7 +703,6 @@ golang.org/x/sys v0.0.0-20210305230114-8fe3ee5dd75b/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210315160823-c6e025ad8005/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -849,7 +714,6 @@ golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210823070655-63515b42dcdf/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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 golang.org/x/sys v0.0.0-20210908233432-aa78b53d3365/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211124211545-fe61309f8881/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211210111614-af8b64212486/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -865,12 +729,14 @@ golang.org/x/sys v0.0.0-20220503163025-988cb79eb6c6/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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 golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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 golang.org/x/sys v0.0.0-20220808155132-1c4a2a72c664/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
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+golang.org/x/term v0.4.0/go.mod h1:9P2UbLfCdcvo3p/nzKvsmas4TnlujnuoV9hGgYzW1lQ=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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@@ -879,13 +745,13 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.6.0 h1:3XmdazWV+ubf7QgHSTWeykHOci5oeekaGJBLkrkaw4k=
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@@ -909,7 +775,6 @@ golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtn
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@@ -924,11 +789,9 @@ golang.org/x/tools v0.0.0-20200304193943-95d2e580d8eb/go.mod h1:o4KQGtdN14AW+yjs
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@@ -938,22 +801,21 @@ golang.org/x/tools v0.0.0-20201201161351-ac6f37ff4c2a/go.mod h1:emZCQorbCU4vsT4f
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 golang.org/x/xerrors v0.0.0-20220411194840-2f41105eb62f/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20220517211312-f3a8303e98df/go.mod h1:K8+ghG5WaK9qNqU5K3HdILfMLy1f3aNYFI/wnl100a8=
-golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f h1:uF6paiQQebLeSXkrTqHqz0MXhXXS1KgF41eUdBNvxK0=
 golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f/go.mod h1:K8+ghG5WaK9qNqU5K3HdILfMLy1f3aNYFI/wnl100a8=
 google.golang.org/api v0.0.0-20180910000450-7ca32eb868bf/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
 google.golang.org/api v0.0.0-20181030000543-1d582fd0359e/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
@@ -989,7 +851,6 @@ google.golang.org/api v0.56.0/go.mod h1:38yMfeP1kfjsl8isn0tliTjIb1rJXcQi4UXlbqiv
 google.golang.org/api v0.57.0/go.mod h1:dVPlbZyBo2/OjBpmvNdpn2GRm6rPy75jyU7bmhdrMgI=
 google.golang.org/api v0.61.0/go.mod h1:xQRti5UdCmoCEqFxcz93fTl338AVqDgyaDRuOZ3hg9I=
 google.golang.org/api v0.63.0/go.mod h1:gs4ij2ffTRXwuzzgJl/56BdwJaA194ijkfn++9tDuPo=
-google.golang.org/api v0.64.0/go.mod h1:931CdxA8Rm4t6zqTFGSsgwbAEZ2+GMYurbndwSimebM=
 google.golang.org/api v0.67.0/go.mod h1:ShHKP8E60yPsKNw/w8w+VYaj9H6buA5UqDp8dhbQZ6g=
 google.golang.org/api v0.70.0/go.mod h1:Bs4ZM2HGifEvXwd50TtW70ovgJffJYw2oRCOFU/SkfA=
 google.golang.org/api v0.71.0/go.mod h1:4PyU6e6JogV1f9eA4voyrTY2batOLdgZ5qZ5HOCc4j8=
@@ -1043,7 +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=
 google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20201019141844-1ed22bb0c154/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20201109203340-2640f1f9cdfb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20201201144952-b05cb90ed32e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20201210142538-e3217bee35cc/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
@@ -1074,7 +934,6 @@ google.golang.org/genproto v0.0.0-20211118181313-81c1377c94b1/go.mod h1:5CzLGKJ6
 google.golang.org/genproto v0.0.0-20211206160659-862468c7d6e0/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/genproto v0.0.0-20211221195035-429b39de9b1c/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
-google.golang.org/genproto v0.0.0-20211223182754-3ac035c7e7cb/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/genproto v0.0.0-20220126215142-9970aeb2e350/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/genproto v0.0.0-20220207164111-0872dc986b00/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/genproto v0.0.0-20220218161850-94dd64e39d7c/go.mod h1:kGP+zUP2Ddo0ayMi4YuN7C3WZyJvGLZRh8Z5wnAqvEI=
@@ -1091,16 +950,15 @@ google.golang.org/genproto v0.0.0-20220505152158-f39f71e6c8f3/go.mod h1:RAyBrSAP
 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 h1:4SPz2GL2CXJt28MTF8V6Ap/9ZiVbQlJeGSd9qtA7DLs=
 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=
@@ -1124,15 +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 v1.44.0/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 h1:9n77onPX5F3qfFCqjy9dhn8PbNQsIKeVU04J9G7umt8=
 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=
@@ -1147,14 +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=
@@ -1173,7 +1029,6 @@ 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=
@@ -1188,24 +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

@@ -435,10 +435,11 @@ func (defaults *OriginRequestConfig) setAccess(overrides config.OriginRequestCon
 
 // 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

ingress/icmp_darwin.go

@@ -148,7 +148,6 @@ func (ip *icmpProxy) Request(ctx context.Context, pk *packet.ICMP, responder *pa
 		dstIP:          pk.Dst,
 		originalEchoID: originalEcho.ID,
 	}
-	// TODO: TUN-6744 assign unique flow per (src, echo ID)
 	assignedEchoID, success := ip.echoIDTracker.getOrAssign(echoIDTrackerKey)
 	if !success {
 		err := fmt.Errorf("failed to assign unique echo ID")
@@ -157,6 +156,7 @@ func (ip *icmpProxy) Request(ctx context.Context, pk *packet.ICMP, responder *pa
 	}
 	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 {
@@ -170,7 +170,7 @@ func (ip *icmpProxy) Request(ctx context.Context, pk *packet.ICMP, responder *pa
 		return icmpFlow, nil
 	}
 	funnelID := echoFunnelID(assignedEchoID)
-	funnel, isNew, err := ip.srcFunnelTracker.GetOrRegister(funnelID, newFunnelFunc)
+	funnel, isNew, err := ip.srcFunnelTracker.GetOrRegister(funnelID, shouldReplaceFunnelFunc, newFunnelFunc)
 	if err != nil {
 		tracing.EndWithErrorStatus(span, err)
 		return err
@@ -229,7 +229,7 @@ func (ip *icmpProxy) Serve(ctx context.Context) error {
 			continue
 		}
 		if err := ip.sendReply(ctx, reply); err != nil {
-			ip.logger.Error().Err(err).Str("dst", from.String()).Msg("Failed to send ICMP reply")
+			ip.logger.Debug().Err(err).Str("dst", from.String()).Msg("Failed to send ICMP reply")
 			continue
 		}
 	}

ingress/icmp_darwin_test.go

@@ -8,6 +8,8 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/require"
+
+	"github.com/cloudflare/cloudflared/packet"
 )
 
 func TestSingleEchoIDTracker(t *testing.T) {
@@ -119,3 +121,9 @@ func (eit *echoIDTracker) get(key flow3Tuple) (id uint16, exist bool) {
 	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))
+}

ingress/icmp_linux.go

@@ -112,6 +112,7 @@ func (ip *icmpProxy) Request(ctx context.Context, pk *packet.ICMP, responder *pa
 		attribute.Int("seq", originalEcho.Seq),
 	)
 
+	shouldReplaceFunnelFunc := createShouldReplaceFunnelFunc(ip.logger, responder.datagramMuxer, pk, originalEcho.ID)
 	newFunnelFunc := func() (packet.Funnel, error) {
 		conn, err := newICMPConn(ip.listenIP, ip.ipv6Zone)
 		if err != nil {
@@ -137,7 +138,7 @@ func (ip *icmpProxy) Request(ctx context.Context, pk *packet.ICMP, responder *pa
 		dstIP:          pk.Dst,
 		originalEchoID: originalEcho.ID,
 	}
-	funnel, isNew, err := ip.srcFunnelTracker.GetOrRegister(funnelID, newFunnelFunc)
+	funnel, isNew, err := ip.srcFunnelTracker.GetOrRegister(funnelID, shouldReplaceFunnelFunc, newFunnelFunc)
 	if err != nil {
 		tracing.EndWithErrorStatus(span, err)
 		return err
@@ -219,7 +220,7 @@ func (ip *icmpProxy) handleResponse(ctx context.Context, flow *icmpEchoFlow, buf
 		attribute.Int("seq", reply.echo.Seq),
 	)
 	if err := flow.returnToSrc(reply); err != nil {
-		ip.logger.Err(err).Str("dst", from.String()).Msg("Failed to send ICMP reply")
+		ip.logger.Debug().Err(err).Str("dst", from.String()).Msg("Failed to send ICMP reply")
 		tracing.EndWithErrorStatus(span, err)
 		return true, err
 	}

ingress/icmp_linux_test.go

@@ -0,0 +1,13 @@
+//go:build linux
+
+package ingress
+
+import (
+	"testing"
+
+	"github.com/cloudflare/cloudflared/packet"
+)
+
+func getFunnel(t *testing.T, proxy *icmpProxy, tuple flow3Tuple) (packet.Funnel, bool) {
+	return proxy.srcFunnelTracker.Get(tuple)
+}

ingress/icmp_posix.go

@@ -10,6 +10,7 @@ import (
 	"net/netip"
 
 	"github.com/google/gopacket/layers"
+	"github.com/rs/zerolog"
 	"golang.org/x/net/icmp"
 
 	"github.com/cloudflare/cloudflared/packet"
@@ -174,3 +175,30 @@ func toICMPEchoFlow(funnel packet.Funnel) (*icmpEchoFlow, error) {
 	}
 	return icmpFlow, nil
 }
+
+func createShouldReplaceFunnelFunc(logger *zerolog.Logger, muxer muxer, pk *packet.ICMP, originalEchoID int) func(packet.Funnel) bool {
+	return func(existing packet.Funnel) bool {
+		existingFlow, err := toICMPEchoFlow(existing)
+		if err != nil {
+			logger.Err(err).
+				Str("src", pk.Src.String()).
+				Str("dst", pk.Dst.String()).
+				Int("originalEchoID", originalEchoID).
+				Msg("Funnel of wrong type found")
+			return true
+		}
+		// Each quic connection should have a unique muxer.
+		// If the existing flow has a different muxer, there's a new quic connection where return packets should be
+		// routed. Otherwise, return packets will be send to the first observed incoming connection, rather than the
+		// most recently observed connection.
+		if existingFlow.responder.datagramMuxer != muxer {
+			logger.Debug().
+				Str("src", pk.Src.String()).
+				Str("dst", pk.Dst.String()).
+				Int("originalEchoID", originalEchoID).
+				Msg("Replacing funnel with new responder")
+			return true
+		}
+		return false
+	}
+}

ingress/icmp_posix_test.go

@@ -61,7 +61,7 @@ func TestFunnelIdleTimeout(t *testing.T) {
 
 	// Send second request, should reuse the funnel
 	require.NoError(t, proxy.Request(ctx, &pk, &packetResponder{
-		datagramMuxer: nil,
+		datagramMuxer: muxer,
 	}))
 	validateEchoFlow(t, <-muxer.cfdToEdge, &pk)
 
@@ -76,3 +76,65 @@ func TestFunnelIdleTimeout(t *testing.T) {
 	cancel()
 	<-proxyDone
 }
+
+func TestReuseFunnel(t *testing.T) {
+	const (
+		idleTimeout = time.Second
+		echoID      = 42573
+		startSeq    = 8129
+	)
+	logger := zerolog.New(os.Stderr)
+	proxy, err := newICMPProxy(localhostIP, "", &logger, idleTimeout)
+	require.NoError(t, err)
+
+	ctx, cancel := context.WithCancel(context.Background())
+
+	proxyDone := make(chan struct{})
+	go func() {
+		proxy.Serve(ctx)
+		close(proxyDone)
+	}()
+
+	// Send a packet to register the flow
+	pk := packet.ICMP{
+		IP: &packet.IP{
+			Src:      localhostIP,
+			Dst:      localhostIP,
+			Protocol: layers.IPProtocolICMPv4,
+		},
+		Message: &icmp.Message{
+			Type: ipv4.ICMPTypeEcho,
+			Code: 0,
+			Body: &icmp.Echo{
+				ID:   echoID,
+				Seq:  startSeq,
+				Data: []byte(t.Name()),
+			},
+		},
+	}
+	tuple := flow3Tuple{
+		srcIP:          pk.Src,
+		dstIP:          pk.Dst,
+		originalEchoID: echoID,
+	}
+	muxer := newMockMuxer(0)
+	responder := packetResponder{
+		datagramMuxer: muxer,
+	}
+	require.NoError(t, proxy.Request(ctx, &pk, &responder))
+	validateEchoFlow(t, <-muxer.cfdToEdge, &pk)
+	funnel1, found := getFunnel(t, proxy, tuple)
+	require.True(t, found)
+
+	// Send second request, should reuse the funnel
+	require.NoError(t, proxy.Request(ctx, &pk, &packetResponder{
+		datagramMuxer: muxer,
+	}))
+	validateEchoFlow(t, <-muxer.cfdToEdge, &pk)
+	funnel2, found := getFunnel(t, proxy, tuple)
+	require.True(t, found)
+	require.Equal(t, funnel1, funnel2)
+
+	cancel()
+	<-proxyDone
+}

ingress/icmp_windows.go

@@ -376,20 +376,20 @@ func (ip *icmpProxy) icmpEchoRoundtrip(dst netip.Addr, echo *icmp.Echo) (echoRes
 }
 
 /*
-	Wrapper to call https://docs.microsoft.com/en-us/windows/win32/api/icmpapi/nf-icmpapi-icmpsendecho
-	Parameters:
-	- IcmpHandle: Handle created by IcmpCreateFile
-	- DestinationAddress: IPv4 in the form of https://docs.microsoft.com/en-us/windows/win32/api/inaddr/ns-inaddr-in_addr#syntax
-	- RequestData: A pointer to echo data
-	- RequestSize: Number of bytes in buffer pointed by echo data
-	- RequestOptions: IP header options
-	- ReplyBuffer: A pointer to the buffer for echoReply, options and data
-	- ReplySize: Number of bytes allocated for ReplyBuffer
-	- Timeout: Timeout in milliseconds to wait for a reply
-	Returns:
-	- the number of replies in uint32 https://docs.microsoft.com/en-us/windows/win32/api/icmpapi/nf-icmpapi-icmpsendecho#return-value
-	To retain the reference allocated objects, conversion from pointer to uintptr must happen as arguments to the
-	syscall function
+Wrapper to call https://docs.microsoft.com/en-us/windows/win32/api/icmpapi/nf-icmpapi-icmpsendecho
+Parameters:
+- IcmpHandle: Handle created by IcmpCreateFile
+- DestinationAddress: IPv4 in the form of https://docs.microsoft.com/en-us/windows/win32/api/inaddr/ns-inaddr-in_addr#syntax
+- RequestData: A pointer to echo data
+- RequestSize: Number of bytes in buffer pointed by echo data
+- RequestOptions: IP header options
+- ReplyBuffer: A pointer to the buffer for echoReply, options and data
+- ReplySize: Number of bytes allocated for ReplyBuffer
+- Timeout: Timeout in milliseconds to wait for a reply
+Returns:
+- the number of replies in uint32 https://docs.microsoft.com/en-us/windows/win32/api/icmpapi/nf-icmpapi-icmpsendecho#return-value
+To retain the reference allocated objects, conversion from pointer to uintptr must happen as arguments to the
+syscall function
 */
 func (ip *icmpProxy) icmpSendEcho(dst netip.Addr, echo *icmp.Echo) (*echoV4Resp, error) {
 	dataSize := len(echo.Data)

ingress/icmp_windows_test.go

@@ -125,7 +125,7 @@ func TestParseEchoV6Reply(t *testing.T) {
 	}
 }
 
-//  TestSendEchoErrors makes sure icmpSendEcho handles error cases
+// TestSendEchoErrors makes sure icmpSendEcho handles error cases
 func TestSendEchoErrors(t *testing.T) {
 	testSendEchoErrors(t, netip.IPv4Unspecified())
 	testSendEchoErrors(t, netip.IPv6Unspecified())

ingress/ingress.go

@@ -58,7 +58,7 @@ func matchHost(ruleHost, reqHost string) bool {
 
 	// Validate hostnames that use wildcards at the start
 	if strings.HasPrefix(ruleHost, "*.") {
-		toMatch := strings.TrimPrefix(ruleHost, "*.")
+		toMatch := strings.TrimPrefix(ruleHost, "*")
 		return strings.HasSuffix(reqHost, toMatch)
 	}
 	return false
@@ -175,18 +175,10 @@ func validateAccessConfiguration(cfg *config.AccessConfig) error {
 		return nil
 	}
 
-	// It is possible to set `required:true` and not have these two configured yet.
-	// But if one of them is configured, we'd validate for correctness.
-	if len(cfg.AudTag) == 0 && cfg.TeamName == "" {
-		return nil
-	}
-
-	if len(cfg.AudTag) == 0 {
-		return errors.New("access audtag cannot be empty")
-	}
-
-	if cfg.TeamName == "" {
-		return errors.New("access.TeamName cannot be blank")
+	// we allow for an initial setup where user can force Access but not configure the rest of the keys.
+	// however, if the user specified audTags but forgot teamName, we should alert it.
+	if cfg.TeamName == "" && len(cfg.AudTag) > 0 {
+		return errors.New("access.TeamName cannot be blank when access.audTags are present")
 	}
 
 	return nil

ingress/ingress_test.go

@@ -674,6 +674,46 @@ ingress:
 	}
 }
 
+func TestParseAccessConfig(t *testing.T) {
+	tests := []struct {
+		name        string
+		cfg         config.AccessConfig
+		expectError bool
+	}{
+		{
+			name:        "Config required with teamName only",
+			cfg:         config.AccessConfig{Required: true, TeamName: "team"},
+			expectError: false,
+		},
+		{
+			name:        "required false",
+			cfg:         config.AccessConfig{Required: false},
+			expectError: false,
+		},
+		{
+			name:        "required true but empty config",
+			cfg:         config.AccessConfig{Required: true},
+			expectError: false,
+		},
+		{
+			name:        "complete config",
+			cfg:         config.AccessConfig{Required: true, TeamName: "team", AudTag: []string{"a"}},
+			expectError: false,
+		},
+		{
+			name:        "required true with audTags but no teamName",
+			cfg:         config.AccessConfig{Required: true, AudTag: []string{"a"}},
+			expectError: true,
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			err := validateAccessConfiguration(&test.cfg)
+			require.Equal(t, err != nil, test.expectError)
+		})
+	}
+}
+
 func MustReadIngress(s string) *config.Configuration {
 	var conf config.Configuration
 	err := yaml.Unmarshal([]byte(s), &conf)

ingress/origin_connection.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/cloudflare/cloudflared/ipaccess"
 	"github.com/cloudflare/cloudflared/socks"
+	"github.com/cloudflare/cloudflared/stream"
 	"github.com/cloudflare/cloudflared/websocket"
 )
 
@@ -25,7 +26,7 @@ type streamHandlerFunc func(originConn io.ReadWriter, remoteConn net.Conn, log *
 // DefaultStreamHandler is an implementation of streamHandlerFunc that
 // performs a two way io.Copy between originConn and remoteConn.
 func DefaultStreamHandler(originConn io.ReadWriter, remoteConn net.Conn, log *zerolog.Logger) {
-	websocket.Stream(originConn, remoteConn, log)
+	stream.Pipe(originConn, remoteConn, log)
 }
 
 // tcpConnection is an OriginConnection that directly streams to raw TCP.
@@ -34,7 +35,7 @@ type tcpConnection struct {
 }
 
 func (tc *tcpConnection) Stream(ctx context.Context, tunnelConn io.ReadWriter, log *zerolog.Logger) {
-	websocket.Stream(tunnelConn, tc.conn, log)
+	stream.Pipe(tunnelConn, tc.conn, log)
 }
 
 func (tc *tcpConnection) Close() {

ingress/origin_connection_test.go

@@ -22,6 +22,7 @@ import (
 
 	"github.com/cloudflare/cloudflared/logger"
 	"github.com/cloudflare/cloudflared/socks"
+	"github.com/cloudflare/cloudflared/stream"
 	"github.com/cloudflare/cloudflared/websocket"
 )
 
@@ -50,6 +51,7 @@ func TestStreamTCPConnection(t *testing.T) {
 	errGroup, ctx := errgroup.WithContext(ctx)
 	errGroup.Go(func() error {
 		_, err := eyeballConn.Write(testMessage)
+		require.NoError(t, err)
 
 		readBuffer := make([]byte, len(testResponse))
 		_, err = eyeballConn.Read(readBuffer)
@@ -158,7 +160,7 @@ func TestSocksStreamWSOverTCPConnection(t *testing.T) {
 			require.NoError(t, err)
 			defer wsForwarderInConn.Close()
 
-			websocket.Stream(wsForwarderInConn, &wsEyeball{wsForwarderOutConn}, testLogger)
+			stream.Pipe(wsForwarderInConn, &wsEyeball{wsForwarderOutConn}, testLogger)
 			return nil
 		})
 

ingress/origin_service.go

@@ -9,6 +9,7 @@ import (
 	"net"
 	"net/http"
 	"net/url"
+	"strconv"
 	"time"
 
 	"github.com/pkg/errors"
@@ -155,8 +156,10 @@ func newSocksProxyOverWSService(accessPolicy *ipaccess.Policy) *socksProxyOverWS
 }
 
 func addPortIfMissing(uri *url.URL, port int) {
+	hostname := uri.Hostname()
+
 	if uri.Port() == "" {
-		uri.Host = fmt.Sprintf("%s:%d", uri.Hostname(), port)
+		uri.Host = net.JoinHostPort(hostname, strconv.FormatInt(int64(port), 10))
 	}
 }
 

ingress/origin_service_test.go

@@ -0,0 +1,29 @@
+package ingress
+
+import (
+	"net/url"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestAddPortIfMissing(t *testing.T) {
+	testCases := []struct {
+		input    string
+		expected string
+	}{
+		{"ssh://[::1]", "[::1]:22"},
+		{"ssh://[::1]:38", "[::1]:38"},
+		{"ssh://abc:38", "abc:38"},
+		{"ssh://127.0.0.1:38", "127.0.0.1:38"},
+		{"ssh://127.0.0.1", "127.0.0.1:22"},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.input, func(t *testing.T) {
+			url1, _ := url.Parse(tc.input)
+			addPortIfMissing(url1, 22)
+			require.Equal(t, tc.expected, url1.Host)
+		})
+	}
+}

ingress/rule_test.go

@@ -148,6 +148,16 @@ func Test_rule_matches(t *testing.T) {
 			},
 			want: true,
 		},
+		{
+			name: "Hostname with wildcard should not match if no dot present",
+			rule: Rule{
+				Hostname: "*.api.abc.cloud",
+			},
+			args: args{
+				requestURL: MustParseURL(t, "https://testing-api.abc.cloud"),
+			},
+			want: false,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

metrics/metrics.go

@@ -10,7 +10,6 @@ import (
 	"sync"
 	"time"
 
-	"github.com/gorilla/mux"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"github.com/rs/zerolog"
@@ -18,36 +17,41 @@ import (
 )
 
 const (
-	shutdownTimeout = time.Second * 15
-	startupTime     = time.Millisecond * 500
+	startupTime            = time.Millisecond * 500
+	defaultShutdownTimeout = time.Second * 15
 )
 
+type Config struct {
+	ReadyServer         *ReadyServer
+	QuickTunnelHostname string
+	Orchestrator        orchestrator
+
+	ShutdownTimeout time.Duration
+}
+
 type orchestrator interface {
 	GetVersionedConfigJSON() ([]byte, error)
 }
 
 func newMetricsHandler(
-	readyServer *ReadyServer,
-	quickTunnelHostname string,
-	orchestrator orchestrator,
+	config Config,
 	log *zerolog.Logger,
-) *mux.Router {
-	router := mux.NewRouter()
-	router.PathPrefix("/debug/").Handler(http.DefaultServeMux)
-
+) *http.ServeMux {
+	router := http.NewServeMux()
+	router.Handle("/debug/", http.DefaultServeMux)
 	router.Handle("/metrics", promhttp.Handler())
 	router.HandleFunc("/healthcheck", func(w http.ResponseWriter, r *http.Request) {
 		_, _ = fmt.Fprintf(w, "OK\n")
 	})
-	if readyServer != nil {
-		router.Handle("/ready", readyServer)
+	if config.ReadyServer != nil {
+		router.Handle("/ready", config.ReadyServer)
 	}
 	router.HandleFunc("/quicktunnel", func(w http.ResponseWriter, r *http.Request) {
-		_, _ = fmt.Fprintf(w, `{"hostname":"%s"}`, quickTunnelHostname)
+		_, _ = fmt.Fprintf(w, `{"hostname":"%s"}`, config.QuickTunnelHostname)
 	})
-	if orchestrator != nil {
+	if config.Orchestrator != nil {
 		router.HandleFunc("/config", func(w http.ResponseWriter, r *http.Request) {
-			json, err := orchestrator.GetVersionedConfigJSON()
+			json, err := config.Orchestrator.GetVersionedConfigJSON()
 			if err != nil {
 				w.WriteHeader(500)
 				_, _ = fmt.Fprintf(w, "ERR: %v", err)
@@ -63,10 +67,8 @@ func newMetricsHandler(
 
 func ServeMetrics(
 	l net.Listener,
-	shutdownC <-chan struct{},
-	readyServer *ReadyServer,
-	quickTunnelHostname string,
-	orchestrator orchestrator,
+	ctx context.Context,
+	config Config,
 	log *zerolog.Logger,
 ) (err error) {
 	var wg sync.WaitGroup
@@ -74,7 +76,7 @@ func ServeMetrics(
 	trace.AuthRequest = func(*http.Request) (bool, bool) { return true, true }
 	// TODO: parameterize ReadTimeout and WriteTimeout. The maximum time we can
 	// profile CPU usage depends on WriteTimeout
-	h := newMetricsHandler(readyServer, quickTunnelHostname, orchestrator, log)
+	h := newMetricsHandler(config, log)
 	server := &http.Server{
 		ReadTimeout:  10 * time.Second,
 		WriteTimeout: 10 * time.Second,
@@ -91,7 +93,12 @@ func ServeMetrics(
 	// fully started up. So add artificial delay.
 	time.Sleep(startupTime)
 
-	<-shutdownC
+	<-ctx.Done()
+	shutdownTimeout := config.ShutdownTimeout
+	if shutdownTimeout == 0 {
+		shutdownTimeout = defaultShutdownTimeout
+	}
+
 	ctx, cancel := context.WithTimeout(context.Background(), shutdownTimeout)
 	_ = server.Shutdown(ctx)
 	cancel()

packet/funnel.go

@@ -108,13 +108,23 @@ func (ft *FunnelTracker) Get(id FunnelID) (Funnel, bool) {
 	return funnel, ok
 }
 
-// Registers a funnel. It replaces the current funnel.
-func (ft *FunnelTracker) GetOrRegister(id FunnelID, newFunnelFunc func() (Funnel, error)) (funnel Funnel, new bool, err error) {
+// Registers a funnel. If the `id` is already registered and `shouldReplaceFunc` returns true, it closes and replaces
+// the current funnel. If `newFunnelFunc` returns an error, the `id` will remain unregistered, even if it was registered
+// when calling this function.
+func (ft *FunnelTracker) GetOrRegister(
+	id FunnelID,
+	shouldReplaceFunc func(Funnel) bool,
+	newFunnelFunc func() (Funnel, error),
+) (funnel Funnel, new bool, err error) {
 	ft.lock.Lock()
 	defer ft.lock.Unlock()
 	currentFunnel, exists := ft.funnels[id]
 	if exists {
-		return currentFunnel, false, nil
+		if !shouldReplaceFunc(currentFunnel) {
+			return currentFunnel, false, nil
+		}
+		currentFunnel.Close()
+		delete(ft.funnels, id)
 	}
 	newFunnel, err := newFunnelFunc()
 	if err != nil {
@@ -124,7 +134,7 @@ func (ft *FunnelTracker) GetOrRegister(id FunnelID, newFunnelFunc func() (Funnel
 	return newFunnel, true, nil
 }
 
-// Unregisters a funnel if the funnel equals to the current funnel
+// Unregisters and closes a funnel if the funnel equals to the current funnel
 func (ft *FunnelTracker) Unregister(id FunnelID, funnel Funnel) (deleted bool) {
 	ft.lock.Lock()
 	defer ft.lock.Unlock()

packet/funnel_test.go

@@ -1,6 +1,13 @@
 package packet
 
-import "net/netip"
+import (
+	"fmt"
+	"net/netip"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+)
 
 type mockFunnelUniPipe struct {
 	uniPipe chan RawPacket
@@ -14,3 +21,118 @@ func (mfui *mockFunnelUniPipe) SendPacket(dst netip.Addr, pk RawPacket) error {
 func (mfui *mockFunnelUniPipe) Close() error {
 	return nil
 }
+
+func TestFunnelRegistration(t *testing.T) {
+	id := testFunnelID{"id1"}
+	funnelErr := fmt.Errorf("expected error")
+	newFunnelFuncErr := func() (Funnel, error) { return nil, funnelErr }
+	newFunnelFuncUncalled := func() (Funnel, error) {
+		require.FailNow(t, "a new funnel should not be created")
+		panic("unreached")
+	}
+	funnel1, newFunnelFunc1 := newFunnelAndFunc("funnel1")
+	funnel2, newFunnelFunc2 := newFunnelAndFunc("funnel2")
+
+	ft := NewFunnelTracker()
+	// Register funnel1
+	funnel, new, err := ft.GetOrRegister(id, shouldReplaceFalse, newFunnelFunc1)
+	require.NoError(t, err)
+	require.True(t, new)
+	require.Equal(t, funnel1, funnel)
+	// Register funnel, no replace
+	funnel, new, err = ft.GetOrRegister(id, shouldReplaceFalse, newFunnelFuncUncalled)
+	require.NoError(t, err)
+	require.False(t, new)
+	require.Equal(t, funnel1, funnel)
+	// Register funnel2, replace
+	funnel, new, err = ft.GetOrRegister(id, shouldReplaceTrue, newFunnelFunc2)
+	require.NoError(t, err)
+	require.True(t, new)
+	require.Equal(t, funnel2, funnel)
+	require.True(t, funnel1.closed)
+	// Register funnel error, replace
+	funnel, new, err = ft.GetOrRegister(id, shouldReplaceTrue, newFunnelFuncErr)
+	require.ErrorIs(t, err, funnelErr)
+	require.False(t, new)
+	require.Nil(t, funnel)
+	require.True(t, funnel2.closed)
+}
+
+func TestFunnelUnregister(t *testing.T) {
+	id := testFunnelID{"id1"}
+	funnel1, newFunnelFunc1 := newFunnelAndFunc("funnel1")
+	funnel2, newFunnelFunc2 := newFunnelAndFunc("funnel2")
+	funnel3, newFunnelFunc3 := newFunnelAndFunc("funnel3")
+
+	ft := NewFunnelTracker()
+	// Register & unregister
+	_, _, err := ft.GetOrRegister(id, shouldReplaceFalse, newFunnelFunc1)
+	require.NoError(t, err)
+	require.True(t, ft.Unregister(id, funnel1))
+	require.True(t, funnel1.closed)
+	require.True(t, ft.Unregister(id, funnel1))
+	// Register, replace, and unregister
+	_, _, err = ft.GetOrRegister(id, shouldReplaceFalse, newFunnelFunc2)
+	require.NoError(t, err)
+	_, _, err = ft.GetOrRegister(id, shouldReplaceTrue, newFunnelFunc3)
+	require.NoError(t, err)
+	require.True(t, funnel2.closed)
+	require.False(t, ft.Unregister(id, funnel2))
+	require.True(t, ft.Unregister(id, funnel3))
+	require.True(t, funnel3.closed)
+}
+
+func shouldReplaceFalse(_ Funnel) bool {
+	return false
+}
+
+func shouldReplaceTrue(_ Funnel) bool {
+	return true
+}
+
+func newFunnelAndFunc(id string) (*testFunnel, func() (Funnel, error)) {
+	funnel := newTestFunnel(id)
+	funnelFunc := func() (Funnel, error) {
+		return funnel, nil
+	}
+	return funnel, funnelFunc
+}
+
+type testFunnelID struct {
+	id string
+}
+
+func (t testFunnelID) Type() string {
+	return "testFunnelID"
+}
+
+func (t testFunnelID) String() string {
+	return t.id
+}
+
+type testFunnel struct {
+	id     string
+	closed bool
+}
+
+func newTestFunnel(id string) *testFunnel {
+	return &testFunnel{
+		id,
+		false,
+	}
+}
+
+func (tf *testFunnel) Close() error {
+	tf.closed = true
+	return nil
+}
+
+func (tf *testFunnel) Equal(other Funnel) bool {
+	return tf.id == other.(*testFunnel).id
+}
+
+func (tf *testFunnel) LastActive() time.Time {
+	return time.Now()
+}
+
+func (tf *testFunnel) UpdateLastActive() {}

proxy/proxy.go

@@ -16,9 +16,9 @@ import (
 	"github.com/cloudflare/cloudflared/cfio"
 	"github.com/cloudflare/cloudflared/connection"
 	"github.com/cloudflare/cloudflared/ingress"
+	"github.com/cloudflare/cloudflared/stream"
 	"github.com/cloudflare/cloudflared/tracing"
 	tunnelpogs "github.com/cloudflare/cloudflared/tunnelrpc/pogs"
-	"github.com/cloudflare/cloudflared/websocket"
 )
 
 const (
@@ -257,11 +257,13 @@ func (p *Proxy) proxyHTTPRequest(
 			reader: tr.Request.Body,
 		}
 
-		websocket.Stream(eyeballStream, rwc, p.log)
+		stream.Pipe(eyeballStream, rwc, p.log)
 		return nil
 	}
 
-	_, _ = cfio.Copy(w, resp.Body)
+	if _, err = cfio.Copy(w, resp.Body); err != nil {
+		return err
+	}
 
 	// copy trailers
 	copyTrailers(w, resp)
@@ -286,6 +288,7 @@ func (p *Proxy) proxyStream(
 		return err
 	}
 	connectSpan.End()
+	defer originConn.Close()
 
 	encodedSpans := tr.GetSpans()
 
@@ -293,15 +296,6 @@ func (p *Proxy) proxyStream(
 		return err
 	}
 
-	streamCtx, cancel := context.WithCancel(ctx)
-	defer cancel()
-
-	go func() {
-		// streamCtx is done if req is cancelled or if Stream returns
-		<-streamCtx.Done()
-		originConn.Close()
-	}()
-
 	originConn.Stream(ctx, rwa, p.log)
 	return nil
 }

proxy/proxy_test.go

@@ -261,7 +261,7 @@ func testProxySSE(proxy connection.OriginProxy) func(t *testing.T) {
 			defer wg.Done()
 			log := zerolog.Nop()
 			err = proxy.ProxyHTTP(responseWriter, tracing.NewTracedHTTPRequest(req, &log), false)
-			require.NoError(t, err)
+			require.Equal(t, err.Error(), "context canceled")
 
 			require.Equal(t, http.StatusOK, responseWriter.Code)
 		}()

quic/metrics.go

@@ -15,7 +15,7 @@ var (
 	clientConnLabels = []string{"conn_index"}
 	clientMetrics    = struct {
 		totalConnections  prometheus.Counter
-		closedConnections *prometheus.CounterVec
+		closedConnections prometheus.Counter
 		sentPackets       *prometheus.CounterVec
 		sentBytes         *prometheus.CounterVec
 		receivePackets    *prometheus.CounterVec
@@ -30,9 +30,8 @@ var (
 		totalConnections: prometheus.NewCounter(
 			totalConnectionsOpts(logging.PerspectiveClient),
 		),
-		closedConnections: prometheus.NewCounterVec(
+		closedConnections: prometheus.NewCounter(
 			closedConnectionsOpts(logging.PerspectiveClient),
-			[]string{"error"},
 		),
 		sentPackets: prometheus.NewCounterVec(
 			sentPacketsOpts(logging.PerspectiveClient),
@@ -284,7 +283,7 @@ func (cc *clientCollector) startedConnection() {
 }
 
 func (cc *clientCollector) closedConnection(err error) {
-	clientMetrics.closedConnections.WithLabelValues(err.Error()).Inc()
+	clientMetrics.closedConnections.Inc()
 }
 
 func (cc *clientCollector) sentPackets(size logging.ByteCount) {

stream/stream.go

@@ -0,0 +1,135 @@
+package stream
+
+import (
+	"encoding/hex"
+	"fmt"
+	"io"
+	"runtime/debug"
+	"sync/atomic"
+	"time"
+
+	"github.com/getsentry/raven-go"
+	"github.com/pkg/errors"
+	"github.com/rs/zerolog"
+
+	"github.com/cloudflare/cloudflared/cfio"
+)
+
+type bidirectionalStreamStatus struct {
+	doneChan chan struct{}
+	anyDone  uint32
+}
+
+func newBiStreamStatus() *bidirectionalStreamStatus {
+	return &bidirectionalStreamStatus{
+		doneChan: make(chan struct{}, 2),
+		anyDone:  0,
+	}
+}
+
+func (s *bidirectionalStreamStatus) markUniStreamDone() {
+	atomic.StoreUint32(&s.anyDone, 1)
+	s.doneChan <- struct{}{}
+}
+
+func (s *bidirectionalStreamStatus) waitAnyDone() {
+	<-s.doneChan
+}
+func (s *bidirectionalStreamStatus) isAnyDone() bool {
+	return atomic.LoadUint32(&s.anyDone) > 0
+}
+
+// Pipe copies copy data to & from provided io.ReadWriters.
+func Pipe(tunnelConn, originConn io.ReadWriter, log *zerolog.Logger) {
+	status := newBiStreamStatus()
+
+	go unidirectionalStream(tunnelConn, originConn, "origin->tunnel", status, log)
+	go unidirectionalStream(originConn, tunnelConn, "tunnel->origin", status, log)
+
+	// If one side is done, we are done.
+	status.waitAnyDone()
+}
+
+func unidirectionalStream(dst io.Writer, src io.Reader, dir string, status *bidirectionalStreamStatus, log *zerolog.Logger) {
+	defer func() {
+		// The bidirectional streaming spawns 2 goroutines to stream each direction.
+		// If any ends, the callstack returns, meaning the Tunnel request/stream (depending on http2 vs quic) will
+		// close. In such case, if the other direction did not stop (due to application level stopping, e.g., if a
+		// server/origin listens forever until closure), it may read/write from the underlying ReadWriter (backed by
+		// the Edge<->cloudflared transport) in an unexpected state.
+		// Because of this, we set this recover() logic.
+		if r := recover(); r != nil {
+			if status.isAnyDone() {
+				// We handle such unexpected errors only when we detect that one side of the streaming is done.
+				log.Debug().Msgf("Gracefully handled error %v in Streaming for %s, error %s", r, dir, debug.Stack())
+			} else {
+				// Otherwise, this is unexpected, but we prevent the program from crashing anyway.
+				log.Warn().Msgf("Gracefully handled unexpected error %v in Streaming for %s, error %s", r, dir, debug.Stack())
+
+				tags := make(map[string]string)
+				tags["root"] = "websocket.stream"
+				tags["dir"] = dir
+				switch rval := r.(type) {
+				case error:
+					raven.CaptureError(rval, tags)
+				default:
+					rvalStr := fmt.Sprint(rval)
+					raven.CaptureMessage(rvalStr, tags)
+				}
+			}
+		}
+	}()
+
+	_, err := copyData(dst, src, dir)
+	if err != nil {
+		log.Debug().Msgf("%s copy: %v", dir, err)
+	}
+	status.markUniStreamDone()
+}
+
+// when set to true, enables logging of content copied to/from origin and tunnel
+const debugCopy = false
+
+func copyData(dst io.Writer, src io.Reader, dir string) (written int64, err error) {
+	if debugCopy {
+		// copyBuffer is based on stdio Copy implementation but shows copied data
+		copyBuffer := func(dst io.Writer, src io.Reader, dir string) (written int64, err error) {
+			var buf []byte
+			size := 32 * 1024
+			buf = make([]byte, size)
+			for {
+				t := time.Now()
+				nr, er := src.Read(buf)
+				if nr > 0 {
+					fmt.Println(dir, t.UnixNano(), "\n"+hex.Dump(buf[0:nr]))
+					nw, ew := dst.Write(buf[0:nr])
+					if nw < 0 || nr < nw {
+						nw = 0
+						if ew == nil {
+							ew = errors.New("invalid write")
+						}
+					}
+					written += int64(nw)
+					if ew != nil {
+						err = ew
+						break
+					}
+					if nr != nw {
+						err = io.ErrShortWrite
+						break
+					}
+				}
+				if er != nil {
+					if er != io.EOF {
+						err = er
+					}
+					break
+				}
+			}
+			return written, err
+		}
+		return copyBuffer(dst, src, dir)
+	} else {
+		return cfio.Copy(dst, src)
+	}
+}

supervisor/supervisor.go

@@ -14,7 +14,6 @@ import (
 
 	"github.com/cloudflare/cloudflared/connection"
 	"github.com/cloudflare/cloudflared/edgediscovery"
-	"github.com/cloudflare/cloudflared/edgediscovery/allregions"
 	"github.com/cloudflare/cloudflared/h2mux"
 	"github.com/cloudflare/cloudflared/orchestration"
 	"github.com/cloudflare/cloudflared/retry"
@@ -45,7 +44,7 @@ type Supervisor struct {
 	config                  *TunnelConfig
 	orchestrator            *orchestration.Orchestrator
 	edgeIPs                 *edgediscovery.Edge
-	edgeTunnelServer        *EdgeTunnelServer
+	edgeTunnelServer        TunnelServer
 	tunnelErrors            chan tunnelError
 	tunnelsConnecting       map[int]chan struct{}
 	tunnelsProtocolFallback map[int]*protocolFallback
@@ -94,14 +93,7 @@ func NewSupervisor(config *TunnelConfig, orchestrator *orchestration.Orchestrato
 	tracker := tunnelstate.NewConnTracker(config.Log)
 	log := NewConnAwareLogger(config.Log, tracker, config.Observer)
 
-	var edgeAddrHandler EdgeAddrHandler
-	if isStaticEdge { // static edge addresses
-		edgeAddrHandler = &IPAddrFallback{}
-	} else if config.EdgeIPVersion == allregions.IPv6Only || config.EdgeIPVersion == allregions.Auto {
-		edgeAddrHandler = &IPAddrFallback{}
-	} else { // IPv4Only
-		edgeAddrHandler = &DefaultAddrFallback{}
-	}
+	edgeAddrHandler := NewIPAddrFallback(config.MaxEdgeAddrRetries)
 
 	edgeTunnelServer := EdgeTunnelServer{
 		config:            config,
@@ -285,7 +277,8 @@ func (s *Supervisor) initialize(
 	for i := 1; i < s.config.HAConnections; i++ {
 		s.tunnelsProtocolFallback[i] = &protocolFallback{
 			retry.BackoffHandler{MaxRetries: s.config.Retries, RetryForever: true},
-			s.config.ProtocolSelector.Current(),
+			// Set the protocol we know the first tunnel connected with.
+			s.tunnelsProtocolFallback[0].protocol,
 			false,
 		}
 		go s.startTunnel(ctx, i, s.newConnectedTunnelSignal(i))

supervisor/supervisor_test.go

@@ -0,0 +1,74 @@
+package supervisor
+
+import (
+	"context"
+	"testing"
+
+	"github.com/rs/zerolog"
+	"github.com/stretchr/testify/assert"
+
+	"github.com/cloudflare/cloudflared/connection"
+	"github.com/cloudflare/cloudflared/edgediscovery"
+	"github.com/cloudflare/cloudflared/edgediscovery/allregions"
+	"github.com/cloudflare/cloudflared/signal"
+)
+
+type mockProtocolSelector struct {
+	protocols []connection.Protocol
+	index     int
+}
+
+func (m *mockProtocolSelector) Current() connection.Protocol {
+	return m.protocols[m.index]
+}
+
+func (m *mockProtocolSelector) Fallback() (connection.Protocol, bool) {
+	m.index++
+	if m.index == len(m.protocols) {
+		return m.protocols[len(m.protocols)-1], false
+	}
+
+	return m.protocols[m.index], true
+}
+
+type mockEdgeTunnelServer struct {
+	config *TunnelConfig
+}
+
+func (m *mockEdgeTunnelServer) Serve(ctx context.Context, connIndex uint8, protocolFallback *protocolFallback, connectedSignal *signal.Signal) error {
+	// This is to mock the first connection falling back because of connectivity issues.
+	protocolFallback.protocol, _ = m.config.ProtocolSelector.Fallback()
+	connectedSignal.Notify()
+	return nil
+}
+
+// Test to check if initialize sets all the different connections to the same protocol should the first
+// tunnel fall back.
+func Test_Initialize_Same_Protocol(t *testing.T) {
+	edgeIPs, err := edgediscovery.ResolveEdge(&zerolog.Logger{}, "us", allregions.Auto)
+	assert.Nil(t, err)
+	s := Supervisor{
+		edgeIPs: edgeIPs,
+		config: &TunnelConfig{
+			ProtocolSelector: &mockProtocolSelector{protocols: []connection.Protocol{connection.QUIC, connection.HTTP2, connection.H2mux}},
+		},
+		tunnelsProtocolFallback: make(map[int]*protocolFallback),
+		edgeTunnelServer: &mockEdgeTunnelServer{
+			config: &TunnelConfig{
+				ProtocolSelector: &mockProtocolSelector{protocols: []connection.Protocol{connection.QUIC, connection.HTTP2, connection.H2mux}},
+			},
+		},
+	}
+
+	ctx := context.Background()
+	connectedSignal := signal.New(make(chan struct{}))
+	s.initialize(ctx, connectedSignal)
+
+	// Make sure we fell back to http2 as the mock Serve is wont to do.
+	assert.Equal(t, s.tunnelsProtocolFallback[0].protocol, connection.HTTP2)
+
+	// Ensure all the protocols we set to try are the same as what the first tunnel has fallen back to.
+	for _, protocolFallback := range s.tunnelsProtocolFallback {
+		assert.Equal(t, protocolFallback.protocol, s.tunnelsProtocolFallback[0].protocol)
+	}
+}

supervisor/tunnel.go

@@ -41,25 +41,26 @@ const (
 )
 
 type TunnelConfig struct {
-	GracePeriod     time.Duration
-	ReplaceExisting bool
-	OSArch          string
-	ClientID        string
-	CloseConnOnce   *sync.Once // Used to close connectedSignal no more than once
-	EdgeAddrs       []string
-	Region          string
-	EdgeIPVersion   allregions.ConfigIPVersion
-	HAConnections   int
-	IncidentLookup  IncidentLookup
-	IsAutoupdated   bool
-	LBPool          string
-	Tags            []tunnelpogs.Tag
-	Log             *zerolog.Logger
-	LogTransport    *zerolog.Logger
-	Observer        *connection.Observer
-	ReportedVersion string
-	Retries         uint
-	RunFromTerminal bool
+	GracePeriod        time.Duration
+	ReplaceExisting    bool
+	OSArch             string
+	ClientID           string
+	CloseConnOnce      *sync.Once // Used to close connectedSignal no more than once
+	EdgeAddrs          []string
+	Region             string
+	EdgeIPVersion      allregions.ConfigIPVersion
+	HAConnections      int
+	IncidentLookup     IncidentLookup
+	IsAutoupdated      bool
+	LBPool             string
+	Tags               []tunnelpogs.Tag
+	Log                *zerolog.Logger
+	LogTransport       *zerolog.Logger
+	Observer           *connection.Observer
+	ReportedVersion    string
+	Retries            uint
+	MaxEdgeAddrRetries uint8
+	RunFromTerminal    bool
 
 	NeedPQ bool
 
@@ -133,6 +134,24 @@ func StartTunnelDaemon(
 	return s.Run(ctx, connectedSignal)
 }
 
+type ConnectivityError struct {
+	reachedMaxRetries bool
+}
+
+func NewConnectivityError(hasReachedMaxRetries bool) *ConnectivityError {
+	return &ConnectivityError{
+		reachedMaxRetries: hasReachedMaxRetries,
+	}
+}
+
+func (e *ConnectivityError) Error() string {
+	return fmt.Sprintf("connectivity error - reached max retries: %t", e.HasReachedMaxRetries())
+}
+
+func (e *ConnectivityError) HasReachedMaxRetries() bool {
+	return e.reachedMaxRetries
+}
+
 // EdgeAddrHandler provides a mechanism switch between behaviors in ServeTunnel
 // for handling the errors when attempting to make edge connections.
 type EdgeAddrHandler interface {
@@ -140,56 +159,47 @@ type EdgeAddrHandler interface {
 	// the edge address should be replaced with a new one. Also, will return if the
 	// error should be recognized as a connectivity error, or otherwise, a general
 	// application error.
-	ShouldGetNewAddress(err error) (needsNewAddress bool, isConnectivityError bool)
+	ShouldGetNewAddress(connIndex uint8, err error) (needsNewAddress bool, connectivityError error)
 }
 
-// DefaultAddrFallback will always return false for isConnectivityError since this
-// handler is a way to provide the legacy behavior in the new edge discovery algorithm.
-type DefaultAddrFallback struct {
-	edgeErrors int
-}
-
-func (f DefaultAddrFallback) ShouldGetNewAddress(err error) (needsNewAddress bool, isConnectivityError bool) {
-	switch err.(type) {
-	case nil: // maintain current IP address
-	// DupConnRegisterTunnelError should indicate to get a new address immediately
-	case connection.DupConnRegisterTunnelError:
-		return true, false
-	// Try the next address if it was a quic.IdleTimeoutError
-	case *quic.IdleTimeoutError,
-		edgediscovery.DialError,
-		*connection.EdgeQuicDialError:
-		// Wait for two failures before falling back to a new address
-		f.edgeErrors++
-		if f.edgeErrors >= 2 {
-			f.edgeErrors = 0
-			return true, false
-		}
-	default: // maintain current IP address
+func NewIPAddrFallback(maxRetries uint8) *ipAddrFallback {
+	return &ipAddrFallback{
+		retriesByConnIndex: make(map[uint8]uint8),
+		maxRetries:         maxRetries,
 	}
-	return false, false
 }
 
-// IPAddrFallback will have more conditions to fall back to a new address for certain
+// ipAddrFallback will have more conditions to fall back to a new address for certain
 // edge connection errors. This means that this handler will return true for isConnectivityError
 // for more cases like duplicate connection register and edge quic dial errors.
-type IPAddrFallback struct{}
+type ipAddrFallback struct {
+	m                  sync.Mutex
+	retriesByConnIndex map[uint8]uint8
+	maxRetries         uint8
+}
 
-func (f IPAddrFallback) ShouldGetNewAddress(err error) (needsNewAddress bool, isConnectivityError bool) {
+func (f *ipAddrFallback) ShouldGetNewAddress(connIndex uint8, err error) (needsNewAddress bool, connectivityError error) {
+	f.m.Lock()
+	defer f.m.Unlock()
 	switch err.(type) {
 	case nil: // maintain current IP address
 	// Try the next address if it was a quic.IdleTimeoutError
 	// DupConnRegisterTunnelError needs to also receive a new ip address
 	case connection.DupConnRegisterTunnelError,
 		*quic.IdleTimeoutError:
-		return true, false
+		return true, nil
 	// Network problems should be retried with new address immediately and report
 	// as connectivity error
 	case edgediscovery.DialError, *connection.EdgeQuicDialError:
-		return true, true
+		if f.retriesByConnIndex[connIndex] >= f.maxRetries {
+			f.retriesByConnIndex[connIndex] = 0
+			return true, NewConnectivityError(true)
+		}
+		f.retriesByConnIndex[connIndex]++
+		return true, NewConnectivityError(false)
 	default: // maintain current IP address
 	}
-	return false, false
+	return false, nil
 }
 
 type EdgeTunnelServer struct {
@@ -206,6 +216,10 @@ type EdgeTunnelServer struct {
 	connAwareLogger *ConnAwareLogger
 }
 
+type TunnelServer interface {
+	Serve(ctx context.Context, connIndex uint8, protocolFallback *protocolFallback, connectedSignal *signal.Signal) error
+}
+
 func (e *EdgeTunnelServer) Serve(ctx context.Context, connIndex uint8, protocolFallback *protocolFallback, connectedSignal *signal.Signal) error {
 	haConnections.Inc()
 	defer haConnections.Dec()
@@ -234,11 +248,12 @@ func (e *EdgeTunnelServer) Serve(ctx context.Context, connIndex uint8, protocolF
 		Uint8(connection.LogFieldConnIndex, connIndex).
 		Logger()
 	connLog := e.connAwareLogger.ReplaceLogger(&logger)
+
 	// Each connection to keep its own copy of protocol, because individual connections might fallback
 	// to another protocol when a particular metal doesn't support new protocol
 	// Each connection can also have it's own IP version because individual connections might fallback
 	// to another IP version.
-	err, recoverable := e.serveTunnel(
+	err, shouldFallbackProtocol := e.serveTunnel(
 		ctx,
 		connLog,
 		addr,
@@ -248,34 +263,39 @@ func (e *EdgeTunnelServer) Serve(ctx context.Context, connIndex uint8, protocolF
 		protocolFallback.protocol,
 	)
 
-	// If the connection is recoverable, we want to maintain the same IP
-	// but backoff a reconnect with some duration.
-	if recoverable {
-		duration, ok := protocolFallback.GetMaxBackoffDuration(ctx)
-		if !ok {
-			return err
-		}
-
-		e.config.Observer.SendReconnect(connIndex)
-		connLog.Logger().Info().Msgf("Retrying connection in up to %s", duration)
-	}
-
 	// Check if the connection error was from an IP issue with the host or
 	// establishing a connection to the edge and if so, rotate the IP address.
-	yes, hasConnectivityError := e.edgeAddrHandler.ShouldGetNewAddress(err)
-	if yes {
-		if _, err := e.edgeAddrs.GetDifferentAddr(int(connIndex), hasConnectivityError); err != nil {
+	shouldRotateEdgeIP, cErr := e.edgeAddrHandler.ShouldGetNewAddress(connIndex, err)
+	if shouldRotateEdgeIP {
+		// rotate IP, but forcing internal state to assign a new IP to connection index.
+		if _, err := e.edgeAddrs.GetDifferentAddr(int(connIndex), true); err != nil {
 			return err
 		}
+
+		// In addition, if it is a connectivity error, and we have exhausted the configurable maximum edge IPs to rotate,
+		// then just fallback protocol on next iteration run.
+		connectivityErr, ok := cErr.(*ConnectivityError)
+		if ok {
+			shouldFallbackProtocol = connectivityErr.HasReachedMaxRetries()
+		}
 	}
 
+	// set connection has re-connecting and log the next retrying backoff
+	duration, ok := protocolFallback.GetMaxBackoffDuration(ctx)
+	if !ok {
+		return err
+	}
+	e.config.Observer.SendReconnect(connIndex)
+	connLog.Logger().Info().Msgf("Retrying connection in up to %s", duration)
+
 	select {
 	case <-ctx.Done():
 		return ctx.Err()
 	case <-e.gracefulShutdownC:
 		return nil
 	case <-protocolFallback.BackoffTimer():
-		if !recoverable {
+		// should we fallback protocol? If not, just return. Otherwise, set new protocol for next method call.
+		if !shouldFallbackProtocol {
 			return err
 		}
 
@@ -422,7 +442,7 @@ func (e *EdgeTunnelServer) serveTunnel(
 			}
 			return err.Cause, !err.Permanent
 		case *connection.EdgeQuicDialError:
-			return err, true
+			return err, false
 		case ReconnectSignal:
 			connLog.Logger().Info().
 				IPAddr(connection.LogFieldIPAddress, addr.UDP.IP).

tlsconfig/certreloader.go

@@ -8,7 +8,7 @@ import (
 	"runtime"
 	"sync"
 
-	"github.com/getsentry/raven-go"
+	"github.com/getsentry/sentry-go"
 	"github.com/pkg/errors"
 	"github.com/rs/zerolog"
 	"github.com/urfave/cli/v2"
@@ -65,7 +65,7 @@ func (cr *CertReloader) LoadCert() error {
 
 	// Keep the old certificate if there's a problem reading the new one.
 	if err != nil {
-		raven.CaptureError(fmt.Errorf("Error parsing X509 key pair: %v", err), nil)
+		sentry.CaptureException(fmt.Errorf("Error parsing X509 key pair: %v", err))
 		return err
 	}
 	cr.certificate = &cert

token/encrypt.go

@@ -3,26 +3,26 @@
 // tldr is it uses Elliptic Curves (Curve25519) for the keys, XSalsa20 and Poly1305 for encryption.
 // You can read more here https://godoc.org/golang.org/x/crypto/nacl/box.
 //
-//		msg := []byte("super safe message.")
-//		alice, err := NewEncrypter("alice_priv_key.pem", "alice_pub_key.pem")
-//		if err != nil {
-//			log.Fatal(err)
-//		}
+//	msg := []byte("super safe message.")
+//	alice, err := NewEncrypter("alice_priv_key.pem", "alice_pub_key.pem")
+//	if err != nil {
+//		log.Fatal(err)
+//	}
 //
-//		bob, err := NewEncrypter("bob_priv_key.pem", "bob_pub_key.pem")
-//		if err != nil {
-//			log.Fatal(err)
-//		}
-//		encrypted, err := alice.Encrypt(msg, bob.PublicKey())
-//		if err != nil {
-//			log.Fatal(err)
-//		}
+//	bob, err := NewEncrypter("bob_priv_key.pem", "bob_pub_key.pem")
+//	if err != nil {
+//		log.Fatal(err)
+//	}
+//	encrypted, err := alice.Encrypt(msg, bob.PublicKey())
+//	if err != nil {
+//		log.Fatal(err)
+//	}
 //
-//		data, err := bob.Decrypt(encrypted, alice.PublicKey())
-//		if err != nil {
-//			log.Fatal(err)
-//		}
-//		fmt.Println(string(data))
+//	data, err := bob.Decrypt(encrypted, alice.PublicKey())
+//	if err != nil {
+//		log.Fatal(err)
+//	}
+//	fmt.Println(string(data))
 package token
 
 import (

tunneldns/metrics.go

@@ -35,7 +35,7 @@ func (p MetricsPlugin) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dn
 
 	// Update built-in metrics
 	server := metrics.WithServer(ctx)
-	vars.Report(server, state, ".", rcode.ToString(rw.Rcode), pluginName, rw.Len, rw.Start)
+	vars.Report(server, state, ".", "", rcode.ToString(rw.Rcode), pluginName, rw.Len, rw.Start)
 
 	return status, err
 }

tunnelrpc/pogs/auth_outcome.go

@@ -40,7 +40,6 @@ func (ar AuthenticateResponse) Outcome() AuthOutcome {
 }
 
 // AuthOutcome is a programmer-friendly sum type denoting the possible outcomes of Authenticate.
-//go-sumtype:decl AuthOutcome
 type AuthOutcome interface {
 	isAuthOutcome()
 	// Serialize into an AuthenticateResponse which can be sent via Capnp

validation/validation.go

@@ -61,9 +61,13 @@ func ValidateHostname(hostname string) (string, error) {
 
 // ValidateUrl returns a validated version of `originUrl` with a scheme prepended (by default http://).
 // Note: when originUrl contains a scheme, the path is removed:
-//   ValidateUrl("https://localhost:8080/api/") => "https://localhost:8080"
+//
+//	ValidateUrl("https://localhost:8080/api/") => "https://localhost:8080"
+//
 // but when it does not, the path is preserved:
-//   ValidateUrl("localhost:8080/api/") => "http://localhost:8080/api/"
+//
+//	ValidateUrl("localhost:8080/api/") => "http://localhost:8080/api/"
+//
 // This is arguably a bug, but changing it might break some cloudflared users.
 func ValidateUrl(originUrl string) (*url.URL, error) {
 	urlStr, err := validateUrlString(originUrl)

vendor/github.com/BurntSushi/toml/.gitignore

@@ -1,5 +1,2 @@
-TAGS
-tags
-.*.swp
-tomlcheck/tomlcheck
-toml.test
+/toml.test
+/toml-test

vendor/github.com/BurntSushi/toml/.travis.yml

@@ -1,15 +0,0 @@
-language: go
-go:
-  - 1.1
-  - 1.2
-  - 1.3
-  - 1.4
-  - 1.5
-  - 1.6
-  - tip
-install:
-  - go install ./...
-  - go get github.com/BurntSushi/toml-test
-script:
-  - export PATH="$PATH:$HOME/gopath/bin"
-  - make test

vendor/github.com/BurntSushi/toml/COMPATIBLE

@@ -1,3 +0,0 @@
-Compatible with TOML version
-[v0.4.0](https://github.com/toml-lang/toml/blob/v0.4.0/versions/en/toml-v0.4.0.md)
-

vendor/github.com/BurntSushi/toml/Makefile

@@ -1,19 +0,0 @@
-install:
-	go install ./...
-
-test: install
-	go test -v
-	toml-test toml-test-decoder
-	toml-test -encoder toml-test-encoder
-
-fmt:
-	gofmt -w *.go */*.go
-	colcheck *.go */*.go
-
-tags:
-	find ./ -name '*.go' -print0 | xargs -0 gotags > TAGS
-
-push:
-	git push origin master
-	git push github master
-

vendor/github.com/BurntSushi/toml/README.md

@@ -1,46 +1,26 @@
-## TOML parser and encoder for Go with reflection
-
 TOML stands for Tom's Obvious, Minimal Language. This Go package provides a
-reflection interface similar to Go's standard library `json` and `xml`
-packages. This package also supports the `encoding.TextUnmarshaler` and
-`encoding.TextMarshaler` interfaces so that you can define custom data
-representations. (There is an example of this below.)
+reflection interface similar to Go's standard library `json` and `xml` packages.
 
-Spec: https://github.com/toml-lang/toml
+Compatible with TOML version [v1.0.0](https://toml.io/en/v1.0.0).
 
-Compatible with TOML version
-[v0.4.0](https://github.com/toml-lang/toml/blob/master/versions/en/toml-v0.4.0.md)
+Documentation: https://godocs.io/github.com/BurntSushi/toml
 
-Documentation: https://godoc.org/github.com/BurntSushi/toml
+See the [releases page](https://github.com/BurntSushi/toml/releases) for a
+changelog; this information is also in the git tag annotations (e.g. `git show
+v0.4.0`).
 
-Installation:
+This library requires Go 1.13 or newer; add it to your go.mod with:
 
-```bash
-go get github.com/BurntSushi/toml
-```
+    % go get github.com/BurntSushi/toml@latest
 
-Try the toml validator:
+It also comes with a TOML validator CLI tool:
 
-```bash
-go get github.com/BurntSushi/toml/cmd/tomlv
-tomlv some-toml-file.toml
-```
-
-[![Build Status](https://travis-ci.org/BurntSushi/toml.svg?branch=master)](https://travis-ci.org/BurntSushi/toml) [![GoDoc](https://godoc.org/github.com/BurntSushi/toml?status.svg)](https://godoc.org/github.com/BurntSushi/toml)
-
-### Testing
-
-This package passes all tests in
-[toml-test](https://github.com/BurntSushi/toml-test) for both the decoder
-and the encoder.
+    % go install github.com/BurntSushi/toml/cmd/tomlv@latest
+    % tomlv some-toml-file.toml
 
 ### Examples
-
-This package works similarly to how the Go standard library handles `XML`
-and `JSON`. Namely, data is loaded into Go values via reflection.
-
-For the simplest example, consider some TOML file as just a list of keys
-and values:
+For the simplest example, consider some TOML file as just a list of keys and
+values:
 
 ```toml
 Age = 25
@@ -50,29 +30,23 @@ Perfection = [ 6, 28, 496, 8128 ]
 DOB = 1987-07-05T05:45:00Z
 ```
 
-Which could be defined in Go as:
+Which can be decoded with:
 
 ```go
 type Config struct {
-  Age int
-  Cats []string
-  Pi float64
-  Perfection []int
-  DOB time.Time // requires `import time`
+	Age        int
+	Cats       []string
+	Pi         float64
+	Perfection []int
+	DOB        time.Time
 }
-```
 
-And then decoded with:
-
-```go
 var conf Config
-if _, err := toml.Decode(tomlData, &conf); err != nil {
-  // handle error
-}
+_, err := toml.Decode(tomlData, &conf)
 ```
 
-You can also use struct tags if your struct field name doesn't map to a TOML
-key value directly:
+You can also use struct tags if your struct field name doesn't map to a TOML key
+value directly:
 
 ```toml
 some_key_NAME = "wat"
@@ -80,139 +54,67 @@ some_key_NAME = "wat"
 
 ```go
 type TOML struct {
-  ObscureKey string `toml:"some_key_NAME"`
+    ObscureKey string `toml:"some_key_NAME"`
 }
 ```
 
-### Using the `encoding.TextUnmarshaler` interface
+Beware that like other decoders **only exported fields** are considered when
+encoding and decoding; private fields are silently ignored.
 
-Here's an example that automatically parses duration strings into
-`time.Duration` values:
+### Using the `Marshaler` and `encoding.TextUnmarshaler` interfaces
+Here's an example that automatically parses values in a `mail.Address`:
 
 ```toml
-[[song]]
-name = "Thunder Road"
-duration = "4m49s"
-
-[[song]]
-name = "Stairway to Heaven"
-duration = "8m03s"
-```
-
-Which can be decoded with:
-
-```go
-type song struct {
-  Name     string
-  Duration duration
-}
-type songs struct {
-  Song []song
-}
-var favorites songs
-if _, err := toml.Decode(blob, &favorites); err != nil {
-  log.Fatal(err)
-}
-
-for _, s := range favorites.Song {
-  fmt.Printf("%s (%s)\n", s.Name, s.Duration)
-}
-```
-
-And you'll also need a `duration` type that satisfies the
-`encoding.TextUnmarshaler` interface:
-
-```go
-type duration struct {
-	time.Duration
-}
-
-func (d *duration) UnmarshalText(text []byte) error {
-	var err error
-	d.Duration, err = time.ParseDuration(string(text))
-	return err
-}
-```
-
-### More complex usage
-
-Here's an example of how to load the example from the official spec page:
-
-```toml
-# This is a TOML document. Boom.
-
-title = "TOML Example"
-
-[owner]
-name = "Tom Preston-Werner"
-organization = "GitHub"
-bio = "GitHub Cofounder & CEO\nLikes tater tots and beer."
-dob = 1979-05-27T07:32:00Z # First class dates? Why not?
-
-[database]
-server = "192.168.1.1"
-ports = [ 8001, 8001, 8002 ]
-connection_max = 5000
-enabled = true
-
-[servers]
-
-  # You can indent as you please. Tabs or spaces. TOML don't care.
-  [servers.alpha]
-  ip = "10.0.0.1"
-  dc = "eqdc10"
-
-  [servers.beta]
-  ip = "10.0.0.2"
-  dc = "eqdc10"
-
-[clients]
-data = [ ["gamma", "delta"], [1, 2] ] # just an update to make sure parsers support it
-
-# Line breaks are OK when inside arrays
-hosts = [
-  "alpha",
-  "omega"
+contacts = [
+    "Donald Duck <donald@duckburg.com>",
+    "Scrooge McDuck <scrooge@duckburg.com>",
 ]
 ```
 
-And the corresponding Go types are:
+Can be decoded with:
 
 ```go
-type tomlConfig struct {
-	Title string
-	Owner ownerInfo
-	DB database `toml:"database"`
-	Servers map[string]server
-	Clients clients
+// Create address type which satisfies the encoding.TextUnmarshaler interface.
+type address struct {
+	*mail.Address
 }
 
-type ownerInfo struct {
-	Name string
-	Org string `toml:"organization"`
-	Bio string
-	DOB time.Time
+func (a *address) UnmarshalText(text []byte) error {
+	var err error
+	a.Address, err = mail.ParseAddress(string(text))
+	return err
 }
 
-type database struct {
-	Server string
-	Ports []int
-	ConnMax int `toml:"connection_max"`
-	Enabled bool
-}
+// Decode it.
+func decode() {
+	blob := `
+		contacts = [
+			"Donald Duck <donald@duckburg.com>",
+			"Scrooge McDuck <scrooge@duckburg.com>",
+		]
+	`
 
-type server struct {
-	IP string
-	DC string
-}
+	var contacts struct {
+		Contacts []address
+	}
 
-type clients struct {
-	Data [][]interface{}
-	Hosts []string
+	_, err := toml.Decode(blob, &contacts)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	for _, c := range contacts.Contacts {
+		fmt.Printf("%#v\n", c.Address)
+	}
+
+	// Output:
+	// &mail.Address{Name:"Donald Duck", Address:"donald@duckburg.com"}
+	// &mail.Address{Name:"Scrooge McDuck", Address:"scrooge@duckburg.com"}
 }
 ```
 
-Note that a case insensitive match will be tried if an exact match can't be
-found.
+To target TOML specifically you can implement `UnmarshalTOML` TOML interface in
+a similar way.
 
-A working example of the above can be found in `_examples/example.{go,toml}`.
+### More complex usage
+See the [`_example/`](/_example) directory for a more complex example.

vendor/github.com/BurntSushi/toml/decode.go

@@ -1,54 +1,171 @@
 package toml
 
 import (
+	"bytes"
+	"encoding"
+	"encoding/json"
 	"fmt"
 	"io"
 	"io/ioutil"
 	"math"
+	"os"
 	"reflect"
+	"strconv"
 	"strings"
 	"time"
 )
 
-func e(format string, args ...interface{}) error {
-	return fmt.Errorf("toml: "+format, args...)
-}
-
 // Unmarshaler is the interface implemented by objects that can unmarshal a
 // TOML description of themselves.
 type Unmarshaler interface {
 	UnmarshalTOML(interface{}) error
 }
 
-// Unmarshal decodes the contents of `p` in TOML format into a pointer `v`.
-func Unmarshal(p []byte, v interface{}) error {
-	_, err := Decode(string(p), v)
+// Unmarshal decodes the contents of `data` in TOML format into a pointer `v`.
+func Unmarshal(data []byte, v interface{}) error {
+	_, err := NewDecoder(bytes.NewReader(data)).Decode(v)
 	return err
 }
 
+// Decode the TOML data in to the pointer v.
+//
+// See the documentation on Decoder for a description of the decoding process.
+func Decode(data string, v interface{}) (MetaData, error) {
+	return NewDecoder(strings.NewReader(data)).Decode(v)
+}
+
+// DecodeFile is just like Decode, except it will automatically read the
+// contents of the file at path and decode it for you.
+func DecodeFile(path string, v interface{}) (MetaData, error) {
+	fp, err := os.Open(path)
+	if err != nil {
+		return MetaData{}, err
+	}
+	defer fp.Close()
+	return NewDecoder(fp).Decode(v)
+}
+
 // Primitive is a TOML value that hasn't been decoded into a Go value.
-// When using the various `Decode*` functions, the type `Primitive` may
-// be given to any value, and its decoding will be delayed.
 //
-// A `Primitive` value can be decoded using the `PrimitiveDecode` function.
+// This type can be used for any value, which will cause decoding to be delayed.
+// You can use the PrimitiveDecode() function to "manually" decode these values.
 //
-// The underlying representation of a `Primitive` value is subject to change.
-// Do not rely on it.
+// NOTE: The underlying representation of a `Primitive` value is subject to
+// change. Do not rely on it.
 //
-// N.B. Primitive values are still parsed, so using them will only avoid
-// the overhead of reflection. They can be useful when you don't know the
-// exact type of TOML data until run time.
+// NOTE: Primitive values are still parsed, so using them will only avoid the
+// overhead of reflection. They can be useful when you don't know the exact type
+// of TOML data until runtime.
 type Primitive struct {
 	undecoded interface{}
 	context   Key
 }
 
-// DEPRECATED!
+// The significand precision for float32 and float64 is 24 and 53 bits; this is
+// the range a natural number can be stored in a float without loss of data.
+const (
+	maxSafeFloat32Int = 16777215                // 2^24-1
+	maxSafeFloat64Int = int64(9007199254740991) // 2^53-1
+)
+
+// Decoder decodes TOML data.
 //
-// Use MetaData.PrimitiveDecode instead.
-func PrimitiveDecode(primValue Primitive, v interface{}) error {
-	md := MetaData{decoded: make(map[string]bool)}
-	return md.unify(primValue.undecoded, rvalue(v))
+// TOML tables correspond to Go structs or maps (dealer's choice – they can be
+// used interchangeably).
+//
+// TOML table arrays correspond to either a slice of structs or a slice of maps.
+//
+// TOML datetimes correspond to Go time.Time values. Local datetimes are parsed
+// in the local timezone.
+//
+// time.Duration types are treated as nanoseconds if the TOML value is an
+// integer, or they're parsed with time.ParseDuration() if they're strings.
+//
+// All other TOML types (float, string, int, bool and array) correspond to the
+// obvious Go types.
+//
+// An exception to the above rules is if a type implements the TextUnmarshaler
+// interface, in which case any primitive TOML value (floats, strings, integers,
+// booleans, datetimes) will be converted to a []byte and given to the value's
+// UnmarshalText method. See the Unmarshaler example for a demonstration with
+// email addresses.
+//
+// Key mapping
+//
+// TOML keys can map to either keys in a Go map or field names in a Go struct.
+// The special `toml` struct tag can be used to map TOML keys to struct fields
+// that don't match the key name exactly (see the example). A case insensitive
+// match to struct names will be tried if an exact match can't be found.
+//
+// The mapping between TOML values and Go values is loose. That is, there may
+// exist TOML values that cannot be placed into your representation, and there
+// may be parts of your representation that do not correspond to TOML values.
+// This loose mapping can be made stricter by using the IsDefined and/or
+// Undecoded methods on the MetaData returned.
+//
+// This decoder does not handle cyclic types. Decode will not terminate if a
+// cyclic type is passed.
+type Decoder struct {
+	r io.Reader
+}
+
+// NewDecoder creates a new Decoder.
+func NewDecoder(r io.Reader) *Decoder {
+	return &Decoder{r: r}
+}
+
+var (
+	unmarshalToml = reflect.TypeOf((*Unmarshaler)(nil)).Elem()
+	unmarshalText = reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem()
+	primitiveType = reflect.TypeOf((*Primitive)(nil)).Elem()
+)
+
+// Decode TOML data in to the pointer `v`.
+func (dec *Decoder) Decode(v interface{}) (MetaData, error) {
+	rv := reflect.ValueOf(v)
+	if rv.Kind() != reflect.Ptr {
+		s := "%q"
+		if reflect.TypeOf(v) == nil {
+			s = "%v"
+		}
+
+		return MetaData{}, fmt.Errorf("toml: cannot decode to non-pointer "+s, reflect.TypeOf(v))
+	}
+	if rv.IsNil() {
+		return MetaData{}, fmt.Errorf("toml: cannot decode to nil value of %q", reflect.TypeOf(v))
+	}
+
+	// Check if this is a supported type: struct, map, interface{}, or something
+	// that implements UnmarshalTOML or UnmarshalText.
+	rv = indirect(rv)
+	rt := rv.Type()
+	if rv.Kind() != reflect.Struct && rv.Kind() != reflect.Map &&
+		!(rv.Kind() == reflect.Interface && rv.NumMethod() == 0) &&
+		!rt.Implements(unmarshalToml) && !rt.Implements(unmarshalText) {
+		return MetaData{}, fmt.Errorf("toml: cannot decode to type %s", rt)
+	}
+
+	// TODO: parser should read from io.Reader? Or at the very least, make it
+	// read from []byte rather than string
+	data, err := ioutil.ReadAll(dec.r)
+	if err != nil {
+		return MetaData{}, err
+	}
+
+	p, err := parse(string(data))
+	if err != nil {
+		return MetaData{}, err
+	}
+
+	md := MetaData{
+		mapping: p.mapping,
+		keyInfo: p.keyInfo,
+		keys:    p.ordered,
+		decoded: make(map[string]struct{}, len(p.ordered)),
+		context: nil,
+		data:    data,
+	}
+	return md, md.unify(p.mapping, rv)
 }
 
 // PrimitiveDecode is just like the other `Decode*` functions, except it
@@ -68,90 +185,15 @@ func (md *MetaData) PrimitiveDecode(primValue Primitive, v interface{}) error {
 	return md.unify(primValue.undecoded, rvalue(v))
 }
 
-// Decode will decode the contents of `data` in TOML format into a pointer
-// `v`.
-//
-// TOML hashes correspond to Go structs or maps. (Dealer's choice. They can be
-// used interchangeably.)
-//
-// TOML arrays of tables correspond to either a slice of structs or a slice
-// of maps.
-//
-// TOML datetimes correspond to Go `time.Time` values.
-//
-// All other TOML types (float, string, int, bool and array) correspond
-// to the obvious Go types.
-//
-// An exception to the above rules is if a type implements the
-// encoding.TextUnmarshaler interface. In this case, any primitive TOML value
-// (floats, strings, integers, booleans and datetimes) will be converted to
-// a byte string and given to the value's UnmarshalText method. See the
-// Unmarshaler example for a demonstration with time duration strings.
-//
-// Key mapping
-//
-// TOML keys can map to either keys in a Go map or field names in a Go
-// struct. The special `toml` struct tag may be used to map TOML keys to
-// struct fields that don't match the key name exactly. (See the example.)
-// A case insensitive match to struct names will be tried if an exact match
-// can't be found.
-//
-// The mapping between TOML values and Go values is loose. That is, there
-// may exist TOML values that cannot be placed into your representation, and
-// there may be parts of your representation that do not correspond to
-// TOML values. This loose mapping can be made stricter by using the IsDefined
-// and/or Undecoded methods on the MetaData returned.
-//
-// This decoder will not handle cyclic types. If a cyclic type is passed,
-// `Decode` will not terminate.
-func Decode(data string, v interface{}) (MetaData, error) {
-	rv := reflect.ValueOf(v)
-	if rv.Kind() != reflect.Ptr {
-		return MetaData{}, e("Decode of non-pointer %s", reflect.TypeOf(v))
-	}
-	if rv.IsNil() {
-		return MetaData{}, e("Decode of nil %s", reflect.TypeOf(v))
-	}
-	p, err := parse(data)
-	if err != nil {
-		return MetaData{}, err
-	}
-	md := MetaData{
-		p.mapping, p.types, p.ordered,
-		make(map[string]bool, len(p.ordered)), nil,
-	}
-	return md, md.unify(p.mapping, indirect(rv))
-}
-
-// DecodeFile is just like Decode, except it will automatically read the
-// contents of the file at `fpath` and decode it for you.
-func DecodeFile(fpath string, v interface{}) (MetaData, error) {
-	bs, err := ioutil.ReadFile(fpath)
-	if err != nil {
-		return MetaData{}, err
-	}
-	return Decode(string(bs), v)
-}
-
-// DecodeReader is just like Decode, except it will consume all bytes
-// from the reader and decode it for you.
-func DecodeReader(r io.Reader, v interface{}) (MetaData, error) {
-	bs, err := ioutil.ReadAll(r)
-	if err != nil {
-		return MetaData{}, err
-	}
-	return Decode(string(bs), v)
-}
-
 // unify performs a sort of type unification based on the structure of `rv`,
 // which is the client representation.
 //
 // Any type mismatch produces an error. Finding a type that we don't know
 // how to handle produces an unsupported type error.
 func (md *MetaData) unify(data interface{}, rv reflect.Value) error {
-
 	// Special case. Look for a `Primitive` value.
-	if rv.Type() == reflect.TypeOf((*Primitive)(nil)).Elem() {
+	// TODO: #76 would make this superfluous after implemented.
+	if rv.Type() == primitiveType {
 		// Save the undecoded data and the key context into the primitive
 		// value.
 		context := make(Key, len(md.context))
@@ -163,36 +205,24 @@ func (md *MetaData) unify(data interface{}, rv reflect.Value) error {
 		return nil
 	}
 
-	// Special case. Unmarshaler Interface support.
-	if rv.CanAddr() {
-		if v, ok := rv.Addr().Interface().(Unmarshaler); ok {
-			return v.UnmarshalTOML(data)
-		}
+	rvi := rv.Interface()
+	if v, ok := rvi.(Unmarshaler); ok {
+		return v.UnmarshalTOML(data)
 	}
-
-	// Special case. Handle time.Time values specifically.
-	// TODO: Remove this code when we decide to drop support for Go 1.1.
-	// This isn't necessary in Go 1.2 because time.Time satisfies the encoding
-	// interfaces.
-	if rv.Type().AssignableTo(rvalue(time.Time{}).Type()) {
-		return md.unifyDatetime(data, rv)
-	}
-
-	// Special case. Look for a value satisfying the TextUnmarshaler interface.
-	if v, ok := rv.Interface().(TextUnmarshaler); ok {
+	if v, ok := rvi.(encoding.TextUnmarshaler); ok {
 		return md.unifyText(data, v)
 	}
-	// BUG(burntsushi)
+
+	// TODO:
 	// The behavior here is incorrect whenever a Go type satisfies the
-	// encoding.TextUnmarshaler interface but also corresponds to a TOML
-	// hash or array. In particular, the unmarshaler should only be applied
-	// to primitive TOML values. But at this point, it will be applied to
-	// all kinds of values and produce an incorrect error whenever those values
-	// are hashes or arrays (including arrays of tables).
+	// encoding.TextUnmarshaler interface but also corresponds to a TOML hash or
+	// array. In particular, the unmarshaler should only be applied to primitive
+	// TOML values. But at this point, it will be applied to all kinds of values
+	// and produce an incorrect error whenever those values are hashes or arrays
+	// (including arrays of tables).
 
 	k := rv.Kind()
 
-	// laziness
 	if k >= reflect.Int && k <= reflect.Uint64 {
 		return md.unifyInt(data, rv)
 	}
@@ -218,17 +248,14 @@ func (md *MetaData) unify(data interface{}, rv reflect.Value) error {
 	case reflect.Bool:
 		return md.unifyBool(data, rv)
 	case reflect.Interface:
-		// we only support empty interfaces.
-		if rv.NumMethod() > 0 {
-			return e("unsupported type %s", rv.Type())
+		if rv.NumMethod() > 0 { // Only support empty interfaces are supported.
+			return md.e("unsupported type %s", rv.Type())
 		}
 		return md.unifyAnything(data, rv)
-	case reflect.Float32:
-		fallthrough
-	case reflect.Float64:
+	case reflect.Float32, reflect.Float64:
 		return md.unifyFloat64(data, rv)
 	}
-	return e("unsupported type %s", rv.Kind())
+	return md.e("unsupported type %s", rv.Kind())
 }
 
 func (md *MetaData) unifyStruct(mapping interface{}, rv reflect.Value) error {
@@ -237,7 +264,7 @@ func (md *MetaData) unifyStruct(mapping interface{}, rv reflect.Value) error {
 		if mapping == nil {
 			return nil
 		}
-		return e("type mismatch for %s: expected table but found %T",
+		return md.e("type mismatch for %s: expected table but found %T",
 			rv.Type().String(), mapping)
 	}
 
@@ -259,17 +286,18 @@ func (md *MetaData) unifyStruct(mapping interface{}, rv reflect.Value) error {
 			for _, i := range f.index {
 				subv = indirect(subv.Field(i))
 			}
+
 			if isUnifiable(subv) {
-				md.decoded[md.context.add(key).String()] = true
+				md.decoded[md.context.add(key).String()] = struct{}{}
 				md.context = append(md.context, key)
-				if err := md.unify(datum, subv); err != nil {
+
+				err := md.unify(datum, subv)
+				if err != nil {
 					return err
 				}
 				md.context = md.context[0 : len(md.context)-1]
 			} else if f.name != "" {
-				// Bad user! No soup for you!
-				return e("cannot write unexported field %s.%s",
-					rv.Type().String(), f.name)
+				return md.e("cannot write unexported field %s.%s", rv.Type().String(), f.name)
 			}
 		}
 	}
@@ -277,28 +305,43 @@ func (md *MetaData) unifyStruct(mapping interface{}, rv reflect.Value) error {
 }
 
 func (md *MetaData) unifyMap(mapping interface{}, rv reflect.Value) error {
+	keyType := rv.Type().Key().Kind()
+	if keyType != reflect.String && keyType != reflect.Interface {
+		return fmt.Errorf("toml: cannot decode to a map with non-string key type (%s in %q)",
+			keyType, rv.Type())
+	}
+
 	tmap, ok := mapping.(map[string]interface{})
 	if !ok {
 		if tmap == nil {
 			return nil
 		}
-		return badtype("map", mapping)
+		return md.badtype("map", mapping)
 	}
 	if rv.IsNil() {
 		rv.Set(reflect.MakeMap(rv.Type()))
 	}
 	for k, v := range tmap {
-		md.decoded[md.context.add(k).String()] = true
+		md.decoded[md.context.add(k).String()] = struct{}{}
 		md.context = append(md.context, k)
 
-		rvkey := indirect(reflect.New(rv.Type().Key()))
 		rvval := reflect.Indirect(reflect.New(rv.Type().Elem()))
-		if err := md.unify(v, rvval); err != nil {
+
+		err := md.unify(v, indirect(rvval))
+		if err != nil {
 			return err
 		}
 		md.context = md.context[0 : len(md.context)-1]
 
-		rvkey.SetString(k)
+		rvkey := indirect(reflect.New(rv.Type().Key()))
+
+		switch keyType {
+		case reflect.Interface:
+			rvkey.Set(reflect.ValueOf(k))
+		case reflect.String:
+			rvkey.SetString(k)
+		}
+
 		rv.SetMapIndex(rvkey, rvval)
 	}
 	return nil
@@ -310,12 +353,10 @@ func (md *MetaData) unifyArray(data interface{}, rv reflect.Value) error {
 		if !datav.IsValid() {
 			return nil
 		}
-		return badtype("slice", data)
+		return md.badtype("slice", data)
 	}
-	sliceLen := datav.Len()
-	if sliceLen != rv.Len() {
-		return e("expected array length %d; got TOML array of length %d",
-			rv.Len(), sliceLen)
+	if l := datav.Len(); l != rv.Len() {
+		return md.e("expected array length %d; got TOML array of length %d", rv.Len(), l)
 	}
 	return md.unifySliceArray(datav, rv)
 }
@@ -326,7 +367,7 @@ func (md *MetaData) unifySlice(data interface{}, rv reflect.Value) error {
 		if !datav.IsValid() {
 			return nil
 		}
-		return badtype("slice", data)
+		return md.badtype("slice", data)
 	}
 	n := datav.Len()
 	if rv.IsNil() || rv.Cap() < n {
@@ -337,37 +378,45 @@ func (md *MetaData) unifySlice(data interface{}, rv reflect.Value) error {
 }
 
 func (md *MetaData) unifySliceArray(data, rv reflect.Value) error {
-	sliceLen := data.Len()
-	for i := 0; i < sliceLen; i++ {
-		v := data.Index(i).Interface()
-		sliceval := indirect(rv.Index(i))
-		if err := md.unify(v, sliceval); err != nil {
+	l := data.Len()
+	for i := 0; i < l; i++ {
+		err := md.unify(data.Index(i).Interface(), indirect(rv.Index(i)))
+		if err != nil {
 			return err
 		}
 	}
 	return nil
 }
 
-func (md *MetaData) unifyDatetime(data interface{}, rv reflect.Value) error {
-	if _, ok := data.(time.Time); ok {
-		rv.Set(reflect.ValueOf(data))
+func (md *MetaData) unifyString(data interface{}, rv reflect.Value) error {
+	_, ok := rv.Interface().(json.Number)
+	if ok {
+		if i, ok := data.(int64); ok {
+			rv.SetString(strconv.FormatInt(i, 10))
+		} else if f, ok := data.(float64); ok {
+			rv.SetString(strconv.FormatFloat(f, 'f', -1, 64))
+		} else {
+			return md.badtype("string", data)
+		}
 		return nil
 	}
-	return badtype("time.Time", data)
-}
 
-func (md *MetaData) unifyString(data interface{}, rv reflect.Value) error {
 	if s, ok := data.(string); ok {
 		rv.SetString(s)
 		return nil
 	}
-	return badtype("string", data)
+	return md.badtype("string", data)
 }
 
 func (md *MetaData) unifyFloat64(data interface{}, rv reflect.Value) error {
+	rvk := rv.Kind()
+
 	if num, ok := data.(float64); ok {
-		switch rv.Kind() {
+		switch rvk {
 		case reflect.Float32:
+			if num < -math.MaxFloat32 || num > math.MaxFloat32 {
+				return md.parseErr(errParseRange{i: num, size: rvk.String()})
+			}
 			fallthrough
 		case reflect.Float64:
 			rv.SetFloat(num)
@@ -376,54 +425,60 @@ func (md *MetaData) unifyFloat64(data interface{}, rv reflect.Value) error {
 		}
 		return nil
 	}
-	return badtype("float", data)
+
+	if num, ok := data.(int64); ok {
+		if (rvk == reflect.Float32 && (num < -maxSafeFloat32Int || num > maxSafeFloat32Int)) ||
+			(rvk == reflect.Float64 && (num < -maxSafeFloat64Int || num > maxSafeFloat64Int)) {
+			return md.parseErr(errParseRange{i: num, size: rvk.String()})
+		}
+		rv.SetFloat(float64(num))
+		return nil
+	}
+
+	return md.badtype("float", data)
 }
 
 func (md *MetaData) unifyInt(data interface{}, rv reflect.Value) error {
-	if num, ok := data.(int64); ok {
-		if rv.Kind() >= reflect.Int && rv.Kind() <= reflect.Int64 {
-			switch rv.Kind() {
-			case reflect.Int, reflect.Int64:
-				// No bounds checking necessary.
-			case reflect.Int8:
-				if num < math.MinInt8 || num > math.MaxInt8 {
-					return e("value %d is out of range for int8", num)
-				}
-			case reflect.Int16:
-				if num < math.MinInt16 || num > math.MaxInt16 {
-					return e("value %d is out of range for int16", num)
-				}
-			case reflect.Int32:
-				if num < math.MinInt32 || num > math.MaxInt32 {
-					return e("value %d is out of range for int32", num)
-				}
+	_, ok := rv.Interface().(time.Duration)
+	if ok {
+		// Parse as string duration, and fall back to regular integer parsing
+		// (as nanosecond) if this is not a string.
+		if s, ok := data.(string); ok {
+			dur, err := time.ParseDuration(s)
+			if err != nil {
+				return md.parseErr(errParseDuration{s})
 			}
-			rv.SetInt(num)
-		} else if rv.Kind() >= reflect.Uint && rv.Kind() <= reflect.Uint64 {
-			unum := uint64(num)
-			switch rv.Kind() {
-			case reflect.Uint, reflect.Uint64:
-				// No bounds checking necessary.
-			case reflect.Uint8:
-				if num < 0 || unum > math.MaxUint8 {
-					return e("value %d is out of range for uint8", num)
-				}
-			case reflect.Uint16:
-				if num < 0 || unum > math.MaxUint16 {
-					return e("value %d is out of range for uint16", num)
-				}
-			case reflect.Uint32:
-				if num < 0 || unum > math.MaxUint32 {
-					return e("value %d is out of range for uint32", num)
-				}
-			}
-			rv.SetUint(unum)
-		} else {
-			panic("unreachable")
+			rv.SetInt(int64(dur))
+			return nil
 		}
-		return nil
 	}
-	return badtype("integer", data)
+
+	num, ok := data.(int64)
+	if !ok {
+		return md.badtype("integer", data)
+	}
+
+	rvk := rv.Kind()
+	switch {
+	case rvk >= reflect.Int && rvk <= reflect.Int64:
+		if (rvk == reflect.Int8 && (num < math.MinInt8 || num > math.MaxInt8)) ||
+			(rvk == reflect.Int16 && (num < math.MinInt16 || num > math.MaxInt16)) ||
+			(rvk == reflect.Int32 && (num < math.MinInt32 || num > math.MaxInt32)) {
+			return md.parseErr(errParseRange{i: num, size: rvk.String()})
+		}
+		rv.SetInt(num)
+	case rvk >= reflect.Uint && rvk <= reflect.Uint64:
+		unum := uint64(num)
+		if rvk == reflect.Uint8 && (num < 0 || unum > math.MaxUint8) ||
+			rvk == reflect.Uint16 && (num < 0 || unum > math.MaxUint16) ||
+			rvk == reflect.Uint32 && (num < 0 || unum > math.MaxUint32) {
+			return md.parseErr(errParseRange{i: num, size: rvk.String()})
+		}
+		rv.SetUint(unum)
+	default:
+		panic("unreachable")
+	}
+	return nil
 }
 
 func (md *MetaData) unifyBool(data interface{}, rv reflect.Value) error {
@@ -431,7 +486,7 @@ func (md *MetaData) unifyBool(data interface{}, rv reflect.Value) error {
 		rv.SetBool(b)
 		return nil
 	}
-	return badtype("boolean", data)
+	return md.badtype("boolean", data)
 }
 
 func (md *MetaData) unifyAnything(data interface{}, rv reflect.Value) error {
@@ -439,10 +494,16 @@ func (md *MetaData) unifyAnything(data interface{}, rv reflect.Value) error {
 	return nil
 }
 
-func (md *MetaData) unifyText(data interface{}, v TextUnmarshaler) error {
+func (md *MetaData) unifyText(data interface{}, v encoding.TextUnmarshaler) error {
 	var s string
 	switch sdata := data.(type) {
-	case TextMarshaler:
+	case Marshaler:
+		text, err := sdata.MarshalTOML()
+		if err != nil {
+			return err
+		}
+		s = string(text)
+	case encoding.TextMarshaler:
 		text, err := sdata.MarshalText()
 		if err != nil {
 			return err
@@ -459,7 +520,7 @@ func (md *MetaData) unifyText(data interface{}, v TextUnmarshaler) error {
 	case float64:
 		s = fmt.Sprintf("%f", sdata)
 	default:
-		return badtype("primitive (string-like)", data)
+		return md.badtype("primitive (string-like)", data)
 	}
 	if err := v.UnmarshalText([]byte(s)); err != nil {
 		return err
@@ -467,22 +528,54 @@ func (md *MetaData) unifyText(data interface{}, v TextUnmarshaler) error {
 	return nil
 }
 
+func (md *MetaData) badtype(dst string, data interface{}) error {
+	return md.e("incompatible types: TOML value has type %T; destination has type %s", data, dst)
+}
+
+func (md *MetaData) parseErr(err error) error {
+	k := md.context.String()
+	return ParseError{
+		LastKey:  k,
+		Position: md.keyInfo[k].pos,
+		Line:     md.keyInfo[k].pos.Line,
+		err:      err,
+		input:    string(md.data),
+	}
+}
+
+func (md *MetaData) e(format string, args ...interface{}) error {
+	f := "toml: "
+	if len(md.context) > 0 {
+		f = fmt.Sprintf("toml: (last key %q): ", md.context)
+		p := md.keyInfo[md.context.String()].pos
+		if p.Line > 0 {
+			f = fmt.Sprintf("toml: line %d (last key %q): ", p.Line, md.context)
+		}
+	}
+	return fmt.Errorf(f+format, args...)
+}
+
 // rvalue returns a reflect.Value of `v`. All pointers are resolved.
 func rvalue(v interface{}) reflect.Value {
 	return indirect(reflect.ValueOf(v))
 }
 
 // indirect returns the value pointed to by a pointer.
-// Pointers are followed until the value is not a pointer.
-// New values are allocated for each nil pointer.
 //
-// An exception to this rule is if the value satisfies an interface of
-// interest to us (like encoding.TextUnmarshaler).
+// Pointers are followed until the value is not a pointer. New values are
+// allocated for each nil pointer.
+//
+// An exception to this rule is if the value satisfies an interface of interest
+// to us (like encoding.TextUnmarshaler).
 func indirect(v reflect.Value) reflect.Value {
 	if v.Kind() != reflect.Ptr {
 		if v.CanSet() {
 			pv := v.Addr()
-			if _, ok := pv.Interface().(TextUnmarshaler); ok {
+			pvi := pv.Interface()
+			if _, ok := pvi.(encoding.TextUnmarshaler); ok {
+				return pv
+			}
+			if _, ok := pvi.(Unmarshaler); ok {
 				return pv
 			}
 		}
@@ -498,12 +591,12 @@ func isUnifiable(rv reflect.Value) bool {
 	if rv.CanSet() {
 		return true
 	}
-	if _, ok := rv.Interface().(TextUnmarshaler); ok {
+	rvi := rv.Interface()
+	if _, ok := rvi.(encoding.TextUnmarshaler); ok {
+		return true
+	}
+	if _, ok := rvi.(Unmarshaler); ok {
 		return true
 	}
 	return false
 }
-
-func badtype(expected string, data interface{}) error {
-	return e("cannot load TOML value of type %T into a Go %s", data, expected)
-}

vendor/github.com/BurntSushi/toml/decode_go116.go

@@ -0,0 +1,19 @@
+//go:build go1.16
+// +build go1.16
+
+package toml
+
+import (
+	"io/fs"
+)
+
+// DecodeFS is just like Decode, except it will automatically read the contents
+// of the file at `path` from a fs.FS instance.
+func DecodeFS(fsys fs.FS, path string, v interface{}) (MetaData, error) {
+	fp, err := fsys.Open(path)
+	if err != nil {
+		return MetaData{}, err
+	}
+	defer fp.Close()
+	return NewDecoder(fp).Decode(v)
+}

vendor/github.com/BurntSushi/toml/deprecated.go

@@ -0,0 +1,21 @@
+package toml
+
+import (
+	"encoding"
+	"io"
+)
+
+// Deprecated: use encoding.TextMarshaler
+type TextMarshaler encoding.TextMarshaler
+
+// Deprecated: use encoding.TextUnmarshaler
+type TextUnmarshaler encoding.TextUnmarshaler
+
+// Deprecated: use MetaData.PrimitiveDecode.
+func PrimitiveDecode(primValue Primitive, v interface{}) error {
+	md := MetaData{decoded: make(map[string]struct{})}
+	return md.unify(primValue.undecoded, rvalue(v))
+}
+
+// Deprecated: use NewDecoder(reader).Decode(&value).
+func DecodeReader(r io.Reader, v interface{}) (MetaData, error) { return NewDecoder(r).Decode(v) }

vendor/github.com/BurntSushi/toml/doc.go

@@ -1,27 +1,13 @@
 /*
-Package toml provides facilities for decoding and encoding TOML configuration
-files via reflection. There is also support for delaying decoding with
-the Primitive type, and querying the set of keys in a TOML document with the
-MetaData type.
+Package toml implements decoding and encoding of TOML files.
 
-The specification implemented: https://github.com/toml-lang/toml
+This package supports TOML v1.0.0, as listed on https://toml.io
 
-The sub-command github.com/BurntSushi/toml/cmd/tomlv can be used to verify
-whether a file is a valid TOML document. It can also be used to print the
-type of each key in a TOML document.
+There is also support for delaying decoding with the Primitive type, and
+querying the set of keys in a TOML document with the MetaData type.
 
-Testing
-
-There are two important types of tests used for this package. The first is
-contained inside '*_test.go' files and uses the standard Go unit testing
-framework. These tests are primarily devoted to holistically testing the
-decoder and encoder.
-
-The second type of testing is used to verify the implementation's adherence
-to the TOML specification. These tests have been factored into their own
-project: https://github.com/BurntSushi/toml-test
-
-The reason the tests are in a separate project is so that they can be used by
-any implementation of TOML. Namely, it is language agnostic.
+The github.com/BurntSushi/toml/cmd/tomlv package implements a TOML validator,
+and can be used to verify if TOML document is valid. It can also be used to
+print the type of each key.
 */
 package toml

vendor/github.com/BurntSushi/toml/encode.go

@@ -2,57 +2,127 @@ package toml
 
 import (
 	"bufio"
+	"encoding"
+	"encoding/json"
 	"errors"
 	"fmt"
 	"io"
+	"math"
 	"reflect"
 	"sort"
 	"strconv"
 	"strings"
 	"time"
+
+	"github.com/BurntSushi/toml/internal"
 )
 
 type tomlEncodeError struct{ error }
 
 var (
-	errArrayMixedElementTypes = errors.New(
-		"toml: cannot encode array with mixed element types")
-	errArrayNilElement = errors.New(
-		"toml: cannot encode array with nil element")
-	errNonString = errors.New(
-		"toml: cannot encode a map with non-string key type")
-	errAnonNonStruct = errors.New(
-		"toml: cannot encode an anonymous field that is not a struct")
-	errArrayNoTable = errors.New(
-		"toml: TOML array element cannot contain a table")
-	errNoKey = errors.New(
-		"toml: top-level values must be Go maps or structs")
-	errAnything = errors.New("") // used in testing
+	errArrayNilElement = errors.New("toml: cannot encode array with nil element")
+	errNonString       = errors.New("toml: cannot encode a map with non-string key type")
+	errNoKey           = errors.New("toml: top-level values must be Go maps or structs")
+	errAnything        = errors.New("") // used in testing
 )
 
-var quotedReplacer = strings.NewReplacer(
-	"\t", "\\t",
-	"\n", "\\n",
-	"\r", "\\r",
+var dblQuotedReplacer = strings.NewReplacer(
 	"\"", "\\\"",
 	"\\", "\\\\",
+	"\x00", `\u0000`,
+	"\x01", `\u0001`,
+	"\x02", `\u0002`,
+	"\x03", `\u0003`,
+	"\x04", `\u0004`,
+	"\x05", `\u0005`,
+	"\x06", `\u0006`,
+	"\x07", `\u0007`,
+	"\b", `\b`,
+	"\t", `\t`,
+	"\n", `\n`,
+	"\x0b", `\u000b`,
+	"\f", `\f`,
+	"\r", `\r`,
+	"\x0e", `\u000e`,
+	"\x0f", `\u000f`,
+	"\x10", `\u0010`,
+	"\x11", `\u0011`,
+	"\x12", `\u0012`,
+	"\x13", `\u0013`,
+	"\x14", `\u0014`,
+	"\x15", `\u0015`,
+	"\x16", `\u0016`,
+	"\x17", `\u0017`,
+	"\x18", `\u0018`,
+	"\x19", `\u0019`,
+	"\x1a", `\u001a`,
+	"\x1b", `\u001b`,
+	"\x1c", `\u001c`,
+	"\x1d", `\u001d`,
+	"\x1e", `\u001e`,
+	"\x1f", `\u001f`,
+	"\x7f", `\u007f`,
 )
 
-// Encoder controls the encoding of Go values to a TOML document to some
-// io.Writer.
-//
-// The indentation level can be controlled with the Indent field.
-type Encoder struct {
-	// A single indentation level. By default it is two spaces.
-	Indent string
+var (
+	marshalToml = reflect.TypeOf((*Marshaler)(nil)).Elem()
+	marshalText = reflect.TypeOf((*encoding.TextMarshaler)(nil)).Elem()
+	timeType    = reflect.TypeOf((*time.Time)(nil)).Elem()
+)
 
-	// hasWritten is whether we have written any output to w yet.
-	hasWritten bool
-	w          *bufio.Writer
+// Marshaler is the interface implemented by types that can marshal themselves
+// into valid TOML.
+type Marshaler interface {
+	MarshalTOML() ([]byte, error)
 }
 
-// NewEncoder returns a TOML encoder that encodes Go values to the io.Writer
-// given. By default, a single indentation level is 2 spaces.
+// Encoder encodes a Go to a TOML document.
+//
+// The mapping between Go values and TOML values should be precisely the same as
+// for the Decode* functions.
+//
+// time.Time is encoded as a RFC 3339 string, and time.Duration as its string
+// representation.
+//
+// The toml.Marshaler and encoder.TextMarshaler interfaces are supported to
+// encoding the value as custom TOML.
+//
+// If you want to write arbitrary binary data then you will need to use
+// something like base64 since TOML does not have any binary types.
+//
+// When encoding TOML hashes (Go maps or structs), keys without any sub-hashes
+// are encoded first.
+//
+// Go maps will be sorted alphabetically by key for deterministic output.
+//
+// The toml struct tag can be used to provide the key name; if omitted the
+// struct field name will be used. If the "omitempty" option is present the
+// following value will be skipped:
+//
+//   - arrays, slices, maps, and string with len of 0
+//   - struct with all zero values
+//   - bool false
+//
+// If omitzero is given all int and float types with a value of 0 will be
+// skipped.
+//
+// Encoding Go values without a corresponding TOML representation will return an
+// error. Examples of this includes maps with non-string keys, slices with nil
+// elements, embedded non-struct types, and nested slices containing maps or
+// structs. (e.g. [][]map[string]string is not allowed but []map[string]string
+// is okay, as is []map[string][]string).
+//
+// NOTE: only exported keys are encoded due to the use of reflection. Unexported
+// keys are silently discarded.
+type Encoder struct {
+	// String to use for a single indentation level; default is two spaces.
+	Indent string
+
+	w          *bufio.Writer
+	hasWritten bool // written any output to w yet?
+}
+
+// NewEncoder create a new Encoder.
 func NewEncoder(w io.Writer) *Encoder {
 	return &Encoder{
 		w:      bufio.NewWriter(w),
@@ -60,29 +130,10 @@ func NewEncoder(w io.Writer) *Encoder {
 	}
 }
 
-// Encode writes a TOML representation of the Go value to the underlying
-// io.Writer. If the value given cannot be encoded to a valid TOML document,
-// then an error is returned.
+// Encode writes a TOML representation of the Go value to the Encoder's writer.
 //
-// The mapping between Go values and TOML values should be precisely the same
-// as for the Decode* functions. Similarly, the TextMarshaler interface is
-// supported by encoding the resulting bytes as strings. (If you want to write
-// arbitrary binary data then you will need to use something like base64 since
-// TOML does not have any binary types.)
-//
-// When encoding TOML hashes (i.e., Go maps or structs), keys without any
-// sub-hashes are encoded first.
-//
-// If a Go map is encoded, then its keys are sorted alphabetically for
-// deterministic output. More control over this behavior may be provided if
-// there is demand for it.
-//
-// Encoding Go values without a corresponding TOML representation---like map
-// types with non-string keys---will cause an error to be returned. Similarly
-// for mixed arrays/slices, arrays/slices with nil elements, embedded
-// non-struct types and nested slices containing maps or structs.
-// (e.g., [][]map[string]string is not allowed but []map[string]string is OK
-// and so is []map[string][]string.)
+// An error is returned if the value given cannot be encoded to a valid TOML
+// document.
 func (enc *Encoder) Encode(v interface{}) error {
 	rv := eindirect(reflect.ValueOf(v))
 	if err := enc.safeEncode(Key([]string{}), rv); err != nil {
@@ -106,13 +157,15 @@ func (enc *Encoder) safeEncode(key Key, rv reflect.Value) (err error) {
 }
 
 func (enc *Encoder) encode(key Key, rv reflect.Value) {
-	// Special case. Time needs to be in ISO8601 format.
-	// Special case. If we can marshal the type to text, then we used that.
-	// Basically, this prevents the encoder for handling these types as
-	// generic structs (or whatever the underlying type of a TextMarshaler is).
-	switch rv.Interface().(type) {
-	case time.Time, TextMarshaler:
-		enc.keyEqElement(key, rv)
+	// If we can marshal the type to text, then we use that. This prevents the
+	// encoder for handling these types as generic structs (or whatever the
+	// underlying type of a TextMarshaler is).
+	switch {
+	case isMarshaler(rv):
+		enc.writeKeyValue(key, rv, false)
+		return
+	case rv.Type() == primitiveType: // TODO: #76 would make this superfluous after implemented.
+		enc.encode(key, reflect.ValueOf(rv.Interface().(Primitive).undecoded))
 		return
 	}
 
@@ -123,12 +176,12 @@ func (enc *Encoder) encode(key Key, rv reflect.Value) {
 		reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32,
 		reflect.Uint64,
 		reflect.Float32, reflect.Float64, reflect.String, reflect.Bool:
-		enc.keyEqElement(key, rv)
+		enc.writeKeyValue(key, rv, false)
 	case reflect.Array, reflect.Slice:
 		if typeEqual(tomlArrayHash, tomlTypeOfGo(rv)) {
 			enc.eArrayOfTables(key, rv)
 		} else {
-			enc.keyEqElement(key, rv)
+			enc.writeKeyValue(key, rv, false)
 		}
 	case reflect.Interface:
 		if rv.IsNil() {
@@ -148,55 +201,114 @@ func (enc *Encoder) encode(key Key, rv reflect.Value) {
 	case reflect.Struct:
 		enc.eTable(key, rv)
 	default:
-		panic(e("unsupported type for key '%s': %s", key, k))
+		encPanic(fmt.Errorf("unsupported type for key '%s': %s", key, k))
 	}
 }
 
-// eElement encodes any value that can be an array element (primitives and
-// arrays).
+// eElement encodes any value that can be an array element.
 func (enc *Encoder) eElement(rv reflect.Value) {
 	switch v := rv.Interface().(type) {
-	case time.Time:
-		// Special case time.Time as a primitive. Has to come before
-		// TextMarshaler below because time.Time implements
-		// encoding.TextMarshaler, but we need to always use UTC.
-		enc.wf(v.UTC().Format("2006-01-02T15:04:05Z"))
-		return
-	case TextMarshaler:
-		// Special case. Use text marshaler if it's available for this value.
-		if s, err := v.MarshalText(); err != nil {
-			encPanic(err)
-		} else {
-			enc.writeQuoted(string(s))
+	case time.Time: // Using TextMarshaler adds extra quotes, which we don't want.
+		format := time.RFC3339Nano
+		switch v.Location() {
+		case internal.LocalDatetime:
+			format = "2006-01-02T15:04:05.999999999"
+		case internal.LocalDate:
+			format = "2006-01-02"
+		case internal.LocalTime:
+			format = "15:04:05.999999999"
+		}
+		switch v.Location() {
+		default:
+			enc.wf(v.Format(format))
+		case internal.LocalDatetime, internal.LocalDate, internal.LocalTime:
+			enc.wf(v.In(time.UTC).Format(format))
 		}
 		return
+	case Marshaler:
+		s, err := v.MarshalTOML()
+		if err != nil {
+			encPanic(err)
+		}
+		if s == nil {
+			encPanic(errors.New("MarshalTOML returned nil and no error"))
+		}
+		enc.w.Write(s)
+		return
+	case encoding.TextMarshaler:
+		s, err := v.MarshalText()
+		if err != nil {
+			encPanic(err)
+		}
+		if s == nil {
+			encPanic(errors.New("MarshalText returned nil and no error"))
+		}
+		enc.writeQuoted(string(s))
+		return
+	case time.Duration:
+		enc.writeQuoted(v.String())
+		return
+	case json.Number:
+		n, _ := rv.Interface().(json.Number)
+
+		if n == "" { /// Useful zero value.
+			enc.w.WriteByte('0')
+			return
+		} else if v, err := n.Int64(); err == nil {
+			enc.eElement(reflect.ValueOf(v))
+			return
+		} else if v, err := n.Float64(); err == nil {
+			enc.eElement(reflect.ValueOf(v))
+			return
+		}
+		encPanic(errors.New(fmt.Sprintf("Unable to convert \"%s\" to neither int64 nor float64", n)))
 	}
+
 	switch rv.Kind() {
-	case reflect.Bool:
-		enc.wf(strconv.FormatBool(rv.Bool()))
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32,
-		reflect.Int64:
-		enc.wf(strconv.FormatInt(rv.Int(), 10))
-	case reflect.Uint, reflect.Uint8, reflect.Uint16,
-		reflect.Uint32, reflect.Uint64:
-		enc.wf(strconv.FormatUint(rv.Uint(), 10))
-	case reflect.Float32:
-		enc.wf(floatAddDecimal(strconv.FormatFloat(rv.Float(), 'f', -1, 32)))
-	case reflect.Float64:
-		enc.wf(floatAddDecimal(strconv.FormatFloat(rv.Float(), 'f', -1, 64)))
-	case reflect.Array, reflect.Slice:
-		enc.eArrayOrSliceElement(rv)
-	case reflect.Interface:
+	case reflect.Ptr:
 		enc.eElement(rv.Elem())
+		return
 	case reflect.String:
 		enc.writeQuoted(rv.String())
+	case reflect.Bool:
+		enc.wf(strconv.FormatBool(rv.Bool()))
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		enc.wf(strconv.FormatInt(rv.Int(), 10))
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		enc.wf(strconv.FormatUint(rv.Uint(), 10))
+	case reflect.Float32:
+		f := rv.Float()
+		if math.IsNaN(f) {
+			enc.wf("nan")
+		} else if math.IsInf(f, 0) {
+			enc.wf("%cinf", map[bool]byte{true: '-', false: '+'}[math.Signbit(f)])
+		} else {
+			enc.wf(floatAddDecimal(strconv.FormatFloat(f, 'f', -1, 32)))
+		}
+	case reflect.Float64:
+		f := rv.Float()
+		if math.IsNaN(f) {
+			enc.wf("nan")
+		} else if math.IsInf(f, 0) {
+			enc.wf("%cinf", map[bool]byte{true: '-', false: '+'}[math.Signbit(f)])
+		} else {
+			enc.wf(floatAddDecimal(strconv.FormatFloat(f, 'f', -1, 64)))
+		}
+	case reflect.Array, reflect.Slice:
+		enc.eArrayOrSliceElement(rv)
+	case reflect.Struct:
+		enc.eStruct(nil, rv, true)
+	case reflect.Map:
+		enc.eMap(nil, rv, true)
+	case reflect.Interface:
+		enc.eElement(rv.Elem())
 	default:
-		panic(e("unexpected primitive type: %s", rv.Kind()))
+		encPanic(fmt.Errorf("unexpected type: %T", rv.Interface()))
 	}
 }
 
-// By the TOML spec, all floats must have a decimal with at least one
-// number on either side.
+// By the TOML spec, all floats must have a decimal with at least one number on
+// either side.
 func floatAddDecimal(fstr string) string {
 	if !strings.Contains(fstr, ".") {
 		return fstr + ".0"
@@ -205,14 +317,14 @@ func floatAddDecimal(fstr string) string {
 }
 
 func (enc *Encoder) writeQuoted(s string) {
-	enc.wf("\"%s\"", quotedReplacer.Replace(s))
+	enc.wf("\"%s\"", dblQuotedReplacer.Replace(s))
 }
 
 func (enc *Encoder) eArrayOrSliceElement(rv reflect.Value) {
 	length := rv.Len()
 	enc.wf("[")
 	for i := 0; i < length; i++ {
-		elem := rv.Index(i)
+		elem := eindirect(rv.Index(i))
 		enc.eElement(elem)
 		if i != length-1 {
 			enc.wf(", ")
@@ -226,44 +338,43 @@ func (enc *Encoder) eArrayOfTables(key Key, rv reflect.Value) {
 		encPanic(errNoKey)
 	}
 	for i := 0; i < rv.Len(); i++ {
-		trv := rv.Index(i)
+		trv := eindirect(rv.Index(i))
 		if isNil(trv) {
 			continue
 		}
-		panicIfInvalidKey(key)
 		enc.newline()
-		enc.wf("%s[[%s]]", enc.indentStr(key), key.maybeQuotedAll())
+		enc.wf("%s[[%s]]", enc.indentStr(key), key)
 		enc.newline()
-		enc.eMapOrStruct(key, trv)
+		enc.eMapOrStruct(key, trv, false)
 	}
 }
 
 func (enc *Encoder) eTable(key Key, rv reflect.Value) {
-	panicIfInvalidKey(key)
 	if len(key) == 1 {
 		// Output an extra newline between top-level tables.
 		// (The newline isn't written if nothing else has been written though.)
 		enc.newline()
 	}
 	if len(key) > 0 {
-		enc.wf("%s[%s]", enc.indentStr(key), key.maybeQuotedAll())
+		enc.wf("%s[%s]", enc.indentStr(key), key)
 		enc.newline()
 	}
-	enc.eMapOrStruct(key, rv)
+	enc.eMapOrStruct(key, rv, false)
 }
 
-func (enc *Encoder) eMapOrStruct(key Key, rv reflect.Value) {
-	switch rv := eindirect(rv); rv.Kind() {
+func (enc *Encoder) eMapOrStruct(key Key, rv reflect.Value, inline bool) {
+	switch rv.Kind() {
 	case reflect.Map:
-		enc.eMap(key, rv)
+		enc.eMap(key, rv, inline)
 	case reflect.Struct:
-		enc.eStruct(key, rv)
+		enc.eStruct(key, rv, inline)
 	default:
+		// Should never happen?
 		panic("eTable: unhandled reflect.Value Kind: " + rv.Kind().String())
 	}
 }
 
-func (enc *Encoder) eMap(key Key, rv reflect.Value) {
+func (enc *Encoder) eMap(key Key, rv reflect.Value, inline bool) {
 	rt := rv.Type()
 	if rt.Key().Kind() != reflect.String {
 		encPanic(errNonString)
@@ -274,118 +385,179 @@ func (enc *Encoder) eMap(key Key, rv reflect.Value) {
 	var mapKeysDirect, mapKeysSub []string
 	for _, mapKey := range rv.MapKeys() {
 		k := mapKey.String()
-		if typeIsHash(tomlTypeOfGo(rv.MapIndex(mapKey))) {
+		if typeIsTable(tomlTypeOfGo(eindirect(rv.MapIndex(mapKey)))) {
 			mapKeysSub = append(mapKeysSub, k)
 		} else {
 			mapKeysDirect = append(mapKeysDirect, k)
 		}
 	}
 
-	var writeMapKeys = func(mapKeys []string) {
+	var writeMapKeys = func(mapKeys []string, trailC bool) {
 		sort.Strings(mapKeys)
-		for _, mapKey := range mapKeys {
-			mrv := rv.MapIndex(reflect.ValueOf(mapKey))
-			if isNil(mrv) {
-				// Don't write anything for nil fields.
+		for i, mapKey := range mapKeys {
+			val := eindirect(rv.MapIndex(reflect.ValueOf(mapKey)))
+			if isNil(val) {
 				continue
 			}
-			enc.encode(key.add(mapKey), mrv)
+
+			if inline {
+				enc.writeKeyValue(Key{mapKey}, val, true)
+				if trailC || i != len(mapKeys)-1 {
+					enc.wf(", ")
+				}
+			} else {
+				enc.encode(key.add(mapKey), val)
+			}
 		}
 	}
-	writeMapKeys(mapKeysDirect)
-	writeMapKeys(mapKeysSub)
+
+	if inline {
+		enc.wf("{")
+	}
+	writeMapKeys(mapKeysDirect, len(mapKeysSub) > 0)
+	writeMapKeys(mapKeysSub, false)
+	if inline {
+		enc.wf("}")
+	}
 }
 
-func (enc *Encoder) eStruct(key Key, rv reflect.Value) {
+const is32Bit = (32 << (^uint(0) >> 63)) == 32
+
+func pointerTo(t reflect.Type) reflect.Type {
+	if t.Kind() == reflect.Ptr {
+		return pointerTo(t.Elem())
+	}
+	return t
+}
+
+func (enc *Encoder) eStruct(key Key, rv reflect.Value, inline bool) {
 	// Write keys for fields directly under this key first, because if we write
-	// a field that creates a new table, then all keys under it will be in that
+	// a field that creates a new table then all keys under it will be in that
 	// table (not the one we're writing here).
-	rt := rv.Type()
-	var fieldsDirect, fieldsSub [][]int
-	var addFields func(rt reflect.Type, rv reflect.Value, start []int)
+	//
+	// Fields is a [][]int: for fieldsDirect this always has one entry (the
+	// struct index). For fieldsSub it contains two entries: the parent field
+	// index from tv, and the field indexes for the fields of the sub.
+	var (
+		rt                      = rv.Type()
+		fieldsDirect, fieldsSub [][]int
+		addFields               func(rt reflect.Type, rv reflect.Value, start []int)
+	)
 	addFields = func(rt reflect.Type, rv reflect.Value, start []int) {
 		for i := 0; i < rt.NumField(); i++ {
 			f := rt.Field(i)
-			// skip unexported fields
-			if f.PkgPath != "" && !f.Anonymous {
+			isEmbed := f.Anonymous && pointerTo(f.Type).Kind() == reflect.Struct
+			if f.PkgPath != "" && !isEmbed { /// Skip unexported fields.
 				continue
 			}
-			frv := rv.Field(i)
-			if f.Anonymous {
-				t := f.Type
-				switch t.Kind() {
-				case reflect.Struct:
-					// Treat anonymous struct fields with
-					// tag names as though they are not
-					// anonymous, like encoding/json does.
-					if getOptions(f.Tag).name == "" {
-						addFields(t, frv, f.Index)
-						continue
-					}
-				case reflect.Ptr:
-					if t.Elem().Kind() == reflect.Struct &&
-						getOptions(f.Tag).name == "" {
-						if !frv.IsNil() {
-							addFields(t.Elem(), frv.Elem(), f.Index)
-						}
-						continue
-					}
-					// Fall through to the normal field encoding logic below
-					// for non-struct anonymous fields.
+			opts := getOptions(f.Tag)
+			if opts.skip {
+				continue
+			}
+
+			frv := eindirect(rv.Field(i))
+
+			// Treat anonymous struct fields with tag names as though they are
+			// not anonymous, like encoding/json does.
+			//
+			// Non-struct anonymous fields use the normal encoding logic.
+			if isEmbed {
+				if getOptions(f.Tag).name == "" && frv.Kind() == reflect.Struct {
+					addFields(frv.Type(), frv, append(start, f.Index...))
+					continue
 				}
 			}
 
-			if typeIsHash(tomlTypeOfGo(frv)) {
+			if typeIsTable(tomlTypeOfGo(frv)) {
 				fieldsSub = append(fieldsSub, append(start, f.Index...))
 			} else {
-				fieldsDirect = append(fieldsDirect, append(start, f.Index...))
+				// Copy so it works correct on 32bit archs; not clear why this
+				// is needed. See #314, and https://www.reddit.com/r/golang/comments/pnx8v4
+				// This also works fine on 64bit, but 32bit archs are somewhat
+				// rare and this is a wee bit faster.
+				if is32Bit {
+					copyStart := make([]int, len(start))
+					copy(copyStart, start)
+					fieldsDirect = append(fieldsDirect, append(copyStart, f.Index...))
+				} else {
+					fieldsDirect = append(fieldsDirect, append(start, f.Index...))
+				}
 			}
 		}
 	}
 	addFields(rt, rv, nil)
 
-	var writeFields = func(fields [][]int) {
+	writeFields := func(fields [][]int) {
 		for _, fieldIndex := range fields {
-			sft := rt.FieldByIndex(fieldIndex)
-			sf := rv.FieldByIndex(fieldIndex)
-			if isNil(sf) {
-				// Don't write anything for nil fields.
+			fieldType := rt.FieldByIndex(fieldIndex)
+			fieldVal := eindirect(rv.FieldByIndex(fieldIndex))
+
+			if isNil(fieldVal) { /// Don't write anything for nil fields.
 				continue
 			}
 
-			opts := getOptions(sft.Tag)
+			opts := getOptions(fieldType.Tag)
 			if opts.skip {
 				continue
 			}
-			keyName := sft.Name
+			keyName := fieldType.Name
 			if opts.name != "" {
 				keyName = opts.name
 			}
-			if opts.omitempty && isEmpty(sf) {
+			if opts.omitempty && isEmpty(fieldVal) {
 				continue
 			}
-			if opts.omitzero && isZero(sf) {
+			if opts.omitzero && isZero(fieldVal) {
 				continue
 			}
 
-			enc.encode(key.add(keyName), sf)
+			if inline {
+				enc.writeKeyValue(Key{keyName}, fieldVal, true)
+				if fieldIndex[0] != len(fields)-1 {
+					enc.wf(", ")
+				}
+			} else {
+				enc.encode(key.add(keyName), fieldVal)
+			}
 		}
 	}
+
+	if inline {
+		enc.wf("{")
+	}
 	writeFields(fieldsDirect)
 	writeFields(fieldsSub)
+	if inline {
+		enc.wf("}")
+	}
 }
 
-// tomlTypeName returns the TOML type name of the Go value's type. It is
-// used to determine whether the types of array elements are mixed (which is
-// forbidden). If the Go value is nil, then it is illegal for it to be an array
-// element, and valueIsNil is returned as true.
-
-// Returns the TOML type of a Go value. The type may be `nil`, which means
-// no concrete TOML type could be found.
+// tomlTypeOfGo returns the TOML type name of the Go value's type.
+//
+// It is used to determine whether the types of array elements are mixed (which
+// is forbidden). If the Go value is nil, then it is illegal for it to be an
+// array element, and valueIsNil is returned as true.
+//
+// The type may be `nil`, which means no concrete TOML type could be found.
 func tomlTypeOfGo(rv reflect.Value) tomlType {
 	if isNil(rv) || !rv.IsValid() {
 		return nil
 	}
+
+	if rv.Kind() == reflect.Struct {
+		if rv.Type() == timeType {
+			return tomlDatetime
+		}
+		if isMarshaler(rv) {
+			return tomlString
+		}
+		return tomlHash
+	}
+
+	if isMarshaler(rv) {
+		return tomlString
+	}
+
 	switch rv.Kind() {
 	case reflect.Bool:
 		return tomlBool
@@ -397,7 +569,7 @@ func tomlTypeOfGo(rv reflect.Value) tomlType {
 	case reflect.Float32, reflect.Float64:
 		return tomlFloat
 	case reflect.Array, reflect.Slice:
-		if typeEqual(tomlHash, tomlArrayType(rv)) {
+		if isTableArray(rv) {
 			return tomlArrayHash
 		}
 		return tomlArray
@@ -407,54 +579,35 @@ func tomlTypeOfGo(rv reflect.Value) tomlType {
 		return tomlString
 	case reflect.Map:
 		return tomlHash
-	case reflect.Struct:
-		switch rv.Interface().(type) {
-		case time.Time:
-			return tomlDatetime
-		case TextMarshaler:
-			return tomlString
-		default:
-			return tomlHash
-		}
 	default:
-		panic("unexpected reflect.Kind: " + rv.Kind().String())
+		encPanic(errors.New("unsupported type: " + rv.Kind().String()))
+		panic("unreachable")
 	}
 }
 
-// tomlArrayType returns the element type of a TOML array. The type returned
-// may be nil if it cannot be determined (e.g., a nil slice or a zero length
-// slize). This function may also panic if it finds a type that cannot be
-// expressed in TOML (such as nil elements, heterogeneous arrays or directly
-// nested arrays of tables).
-func tomlArrayType(rv reflect.Value) tomlType {
-	if isNil(rv) || !rv.IsValid() || rv.Len() == 0 {
-		return nil
-	}
-	firstType := tomlTypeOfGo(rv.Index(0))
-	if firstType == nil {
-		encPanic(errArrayNilElement)
+func isMarshaler(rv reflect.Value) bool {
+	return rv.Type().Implements(marshalText) || rv.Type().Implements(marshalToml)
+}
+
+// isTableArray reports if all entries in the array or slice are a table.
+func isTableArray(arr reflect.Value) bool {
+	if isNil(arr) || !arr.IsValid() || arr.Len() == 0 {
+		return false
 	}
 
-	rvlen := rv.Len()
-	for i := 1; i < rvlen; i++ {
-		elem := rv.Index(i)
-		switch elemType := tomlTypeOfGo(elem); {
-		case elemType == nil:
+	ret := true
+	for i := 0; i < arr.Len(); i++ {
+		tt := tomlTypeOfGo(eindirect(arr.Index(i)))
+		// Don't allow nil.
+		if tt == nil {
 			encPanic(errArrayNilElement)
-		case !typeEqual(firstType, elemType):
-			encPanic(errArrayMixedElementTypes)
+		}
+
+		if ret && !typeEqual(tomlHash, tt) {
+			ret = false
 		}
 	}
-	// If we have a nested array, then we must make sure that the nested
-	// array contains ONLY primitives.
-	// This checks arbitrarily nested arrays.
-	if typeEqual(firstType, tomlArray) || typeEqual(firstType, tomlArrayHash) {
-		nest := tomlArrayType(eindirect(rv.Index(0)))
-		if typeEqual(nest, tomlHash) || typeEqual(nest, tomlArrayHash) {
-			encPanic(errArrayNoTable)
-		}
-	}
-	return firstType
+	return ret
 }
 
 type tagOptions struct {
@@ -499,6 +652,8 @@ func isEmpty(rv reflect.Value) bool {
 	switch rv.Kind() {
 	case reflect.Array, reflect.Slice, reflect.Map, reflect.String:
 		return rv.Len() == 0
+	case reflect.Struct:
+		return reflect.Zero(rv.Type()).Interface() == rv.Interface()
 	case reflect.Bool:
 		return !rv.Bool()
 	}
@@ -511,18 +666,32 @@ func (enc *Encoder) newline() {
 	}
 }
 
-func (enc *Encoder) keyEqElement(key Key, val reflect.Value) {
+// Write a key/value pair:
+//
+//   key = <any value>
+//
+// This is also used for "k = v" in inline tables; so something like this will
+// be written in three calls:
+//
+//     ┌────────────────────┐
+//     │      ┌───┐  ┌─────┐│
+//     v      v   v  v     vv
+//     key = {k = v, k2 = v2}
+//
+func (enc *Encoder) writeKeyValue(key Key, val reflect.Value, inline bool) {
 	if len(key) == 0 {
 		encPanic(errNoKey)
 	}
-	panicIfInvalidKey(key)
 	enc.wf("%s%s = ", enc.indentStr(key), key.maybeQuoted(len(key)-1))
 	enc.eElement(val)
-	enc.newline()
+	if !inline {
+		enc.newline()
+	}
 }
 
 func (enc *Encoder) wf(format string, v ...interface{}) {
-	if _, err := fmt.Fprintf(enc.w, format, v...); err != nil {
+	_, err := fmt.Fprintf(enc.w, format, v...)
+	if err != nil {
 		encPanic(err)
 	}
 	enc.hasWritten = true
@@ -536,13 +705,25 @@ func encPanic(err error) {
 	panic(tomlEncodeError{err})
 }
 
+// Resolve any level of pointers to the actual value (e.g. **string → string).
 func eindirect(v reflect.Value) reflect.Value {
-	switch v.Kind() {
-	case reflect.Ptr, reflect.Interface:
-		return eindirect(v.Elem())
-	default:
+	if v.Kind() != reflect.Ptr && v.Kind() != reflect.Interface {
+		if isMarshaler(v) {
+			return v
+		}
+		if v.CanAddr() { /// Special case for marshalers; see #358.
+			if pv := v.Addr(); isMarshaler(pv) {
+				return pv
+			}
+		}
 		return v
 	}
+
+	if v.IsNil() {
+		return v
+	}
+
+	return eindirect(v.Elem())
 }
 
 func isNil(rv reflect.Value) bool {
@@ -553,16 +734,3 @@ func isNil(rv reflect.Value) bool {
 		return false
 	}
 }
-
-func panicIfInvalidKey(key Key) {
-	for _, k := range key {
-		if len(k) == 0 {
-			encPanic(e("Key '%s' is not a valid table name. Key names "+
-				"cannot be empty.", key.maybeQuotedAll()))
-		}
-	}
-}
-
-func isValidKeyName(s string) bool {
-	return len(s) != 0
-}

vendor/github.com/BurntSushi/toml/encoding_types.go

@@ -1,19 +0,0 @@
-// +build go1.2
-
-package toml
-
-// In order to support Go 1.1, we define our own TextMarshaler and
-// TextUnmarshaler types. For Go 1.2+, we just alias them with the
-// standard library interfaces.
-
-import (
-	"encoding"
-)
-
-// TextMarshaler is a synonym for encoding.TextMarshaler. It is defined here
-// so that Go 1.1 can be supported.
-type TextMarshaler encoding.TextMarshaler
-
-// TextUnmarshaler is a synonym for encoding.TextUnmarshaler. It is defined
-// here so that Go 1.1 can be supported.
-type TextUnmarshaler encoding.TextUnmarshaler

vendor/github.com/BurntSushi/toml/encoding_types_1.1.go

@@ -1,18 +0,0 @@
-// +build !go1.2
-
-package toml
-
-// These interfaces were introduced in Go 1.2, so we add them manually when
-// compiling for Go 1.1.
-
-// TextMarshaler is a synonym for encoding.TextMarshaler. It is defined here
-// so that Go 1.1 can be supported.
-type TextMarshaler interface {
-	MarshalText() (text []byte, err error)
-}
-
-// TextUnmarshaler is a synonym for encoding.TextUnmarshaler. It is defined
-// here so that Go 1.1 can be supported.
-type TextUnmarshaler interface {
-	UnmarshalText(text []byte) error
-}

vendor/github.com/BurntSushi/toml/error.go

@@ -0,0 +1,276 @@
+package toml
+
+import (
+	"fmt"
+	"strings"
+)
+
+// ParseError is returned when there is an error parsing the TOML syntax.
+//
+// For example invalid syntax, duplicate keys, etc.
+//
+// In addition to the error message itself, you can also print detailed location
+// information with context by using ErrorWithPosition():
+//
+//     toml: error: Key 'fruit' was already created and cannot be used as an array.
+//
+//     At line 4, column 2-7:
+//
+//           2 | fruit = []
+//           3 |
+//           4 | [[fruit]] # Not allowed
+//                 ^^^^^
+//
+// Furthermore, the ErrorWithUsage() can be used to print the above with some
+// more detailed usage guidance:
+//
+//    toml: error: newlines not allowed within inline tables
+//
+//    At line 1, column 18:
+//
+//          1 | x = [{ key = 42 #
+//                               ^
+//
+//    Error help:
+//
+//      Inline tables must always be on a single line:
+//
+//          table = {key = 42, second = 43}
+//
+//      It is invalid to split them over multiple lines like so:
+//
+//          # INVALID
+//          table = {
+//              key    = 42,
+//              second = 43
+//          }
+//
+//      Use regular for this:
+//
+//          [table]
+//          key    = 42
+//          second = 43
+type ParseError struct {
+	Message  string   // Short technical message.
+	Usage    string   // Longer message with usage guidance; may be blank.
+	Position Position // Position of the error
+	LastKey  string   // Last parsed key, may be blank.
+	Line     int      // Line the error occurred. Deprecated: use Position.
+
+	err   error
+	input string
+}
+
+// Position of an error.
+type Position struct {
+	Line  int // Line number, starting at 1.
+	Start int // Start of error, as byte offset starting at 0.
+	Len   int // Lenght in bytes.
+}
+
+func (pe ParseError) Error() string {
+	msg := pe.Message
+	if msg == "" { // Error from errorf()
+		msg = pe.err.Error()
+	}
+
+	if pe.LastKey == "" {
+		return fmt.Sprintf("toml: line %d: %s", pe.Position.Line, msg)
+	}
+	return fmt.Sprintf("toml: line %d (last key %q): %s",
+		pe.Position.Line, pe.LastKey, msg)
+}
+
+// ErrorWithUsage() returns the error with detailed location context.
+//
+// See the documentation on ParseError.
+func (pe ParseError) ErrorWithPosition() string {
+	if pe.input == "" { // Should never happen, but just in case.
+		return pe.Error()
+	}
+
+	var (
+		lines = strings.Split(pe.input, "\n")
+		col   = pe.column(lines)
+		b     = new(strings.Builder)
+	)
+
+	msg := pe.Message
+	if msg == "" {
+		msg = pe.err.Error()
+	}
+
+	// TODO: don't show control characters as literals? This may not show up
+	// well everywhere.
+
+	if pe.Position.Len == 1 {
+		fmt.Fprintf(b, "toml: error: %s\n\nAt line %d, column %d:\n\n",
+			msg, pe.Position.Line, col+1)
+	} else {
+		fmt.Fprintf(b, "toml: error: %s\n\nAt line %d, column %d-%d:\n\n",
+			msg, pe.Position.Line, col, col+pe.Position.Len)
+	}
+	if pe.Position.Line > 2 {
+		fmt.Fprintf(b, "% 7d | %s\n", pe.Position.Line-2, lines[pe.Position.Line-3])
+	}
+	if pe.Position.Line > 1 {
+		fmt.Fprintf(b, "% 7d | %s\n", pe.Position.Line-1, lines[pe.Position.Line-2])
+	}
+	fmt.Fprintf(b, "% 7d | %s\n", pe.Position.Line, lines[pe.Position.Line-1])
+	fmt.Fprintf(b, "% 10s%s%s\n", "", strings.Repeat(" ", col), strings.Repeat("^", pe.Position.Len))
+	return b.String()
+}
+
+// ErrorWithUsage() returns the error with detailed location context and usage
+// guidance.
+//
+// See the documentation on ParseError.
+func (pe ParseError) ErrorWithUsage() string {
+	m := pe.ErrorWithPosition()
+	if u, ok := pe.err.(interface{ Usage() string }); ok && u.Usage() != "" {
+		lines := strings.Split(strings.TrimSpace(u.Usage()), "\n")
+		for i := range lines {
+			if lines[i] != "" {
+				lines[i] = "    " + lines[i]
+			}
+		}
+		return m + "Error help:\n\n" + strings.Join(lines, "\n") + "\n"
+	}
+	return m
+}
+
+func (pe ParseError) column(lines []string) int {
+	var pos, col int
+	for i := range lines {
+		ll := len(lines[i]) + 1 // +1 for the removed newline
+		if pos+ll >= pe.Position.Start {
+			col = pe.Position.Start - pos
+			if col < 0 { // Should never happen, but just in case.
+				col = 0
+			}
+			break
+		}
+		pos += ll
+	}
+
+	return col
+}
+
+type (
+	errLexControl       struct{ r rune }
+	errLexEscape        struct{ r rune }
+	errLexUTF8          struct{ b byte }
+	errLexInvalidNum    struct{ v string }
+	errLexInvalidDate   struct{ v string }
+	errLexInlineTableNL struct{}
+	errLexStringNL      struct{}
+	errParseRange       struct {
+		i    interface{} // int or float
+		size string      // "int64", "uint16", etc.
+	}
+	errParseDuration struct{ d string }
+)
+
+func (e errLexControl) Error() string {
+	return fmt.Sprintf("TOML files cannot contain control characters: '0x%02x'", e.r)
+}
+func (e errLexControl) Usage() string { return "" }
+
+func (e errLexEscape) Error() string        { return fmt.Sprintf(`invalid escape in string '\%c'`, e.r) }
+func (e errLexEscape) Usage() string        { return usageEscape }
+func (e errLexUTF8) Error() string          { return fmt.Sprintf("invalid UTF-8 byte: 0x%02x", e.b) }
+func (e errLexUTF8) Usage() string          { return "" }
+func (e errLexInvalidNum) Error() string    { return fmt.Sprintf("invalid number: %q", e.v) }
+func (e errLexInvalidNum) Usage() string    { return "" }
+func (e errLexInvalidDate) Error() string   { return fmt.Sprintf("invalid date: %q", e.v) }
+func (e errLexInvalidDate) Usage() string   { return "" }
+func (e errLexInlineTableNL) Error() string { return "newlines not allowed within inline tables" }
+func (e errLexInlineTableNL) Usage() string { return usageInlineNewline }
+func (e errLexStringNL) Error() string      { return "strings cannot contain newlines" }
+func (e errLexStringNL) Usage() string      { return usageStringNewline }
+func (e errParseRange) Error() string       { return fmt.Sprintf("%v is out of range for %s", e.i, e.size) }
+func (e errParseRange) Usage() string       { return usageIntOverflow }
+func (e errParseDuration) Error() string    { return fmt.Sprintf("invalid duration: %q", e.d) }
+func (e errParseDuration) Usage() string    { return usageDuration }
+
+const usageEscape = `
+A '\' inside a "-delimited string is interpreted as an escape character.
+
+The following escape sequences are supported:
+\b, \t, \n, \f, \r, \", \\, \uXXXX, and \UXXXXXXXX
+
+To prevent a '\' from being recognized as an escape character, use either:
+
+- a ' or '''-delimited string; escape characters aren't processed in them; or
+- write two backslashes to get a single backslash: '\\'.
+
+If you're trying to add a Windows path (e.g. "C:\Users\martin") then using '/'
+instead of '\' will usually also work: "C:/Users/martin".
+`
+
+const usageInlineNewline = `
+Inline tables must always be on a single line:
+
+    table = {key = 42, second = 43}
+
+It is invalid to split them over multiple lines like so:
+
+    # INVALID
+    table = {
+        key    = 42,
+        second = 43
+    }
+
+Use regular for this:
+
+    [table]
+    key    = 42
+    second = 43
+`
+
+const usageStringNewline = `
+Strings must always be on a single line, and cannot span more than one line:
+
+    # INVALID
+    string = "Hello,
+    world!"
+
+Instead use """ or ''' to split strings over multiple lines:
+
+    string = """Hello,
+    world!"""
+`
+
+const usageIntOverflow = `
+This number is too large; this may be an error in the TOML, but it can also be a
+bug in the program that uses too small of an integer.
+
+The maximum and minimum values are:
+
+    size   │ lowest         │ highest
+    ───────┼────────────────┼──────────
+    int8   │ -128           │ 127
+    int16  │ -32,768        │ 32,767
+    int32  │ -2,147,483,648 │ 2,147,483,647
+    int64  │ -9.2 × 10¹⁷    │ 9.2 × 10¹⁷
+    uint8  │ 0              │ 255
+    uint16 │ 0              │ 65535
+    uint32 │ 0              │ 4294967295
+    uint64 │ 0              │ 1.8 × 10¹⁸
+
+int refers to int32 on 32-bit systems and int64 on 64-bit systems.
+`
+
+const usageDuration = `
+A duration must be as "number<unit>", without any spaces. Valid units are:
+
+    ns         nanoseconds (billionth of a second)
+    us, µs     microseconds (millionth of a second)
+    ms         milliseconds (thousands of a second)
+    s          seconds
+    m          minutes
+    h          hours
+
+You can combine multiple units; for example "5m10s" for 5 minutes and 10
+seconds.
+`

vendor/github.com/BurntSushi/toml/internal/tz.go

@@ -0,0 +1,36 @@
+package internal
+
+import "time"
+
+// Timezones used for local datetime, date, and time TOML types.
+//
+// The exact way times and dates without a timezone should be interpreted is not
+// well-defined in the TOML specification and left to the implementation. These
+// defaults to current local timezone offset of the computer, but this can be
+// changed by changing these variables before decoding.
+//
+// TODO:
+// Ideally we'd like to offer people the ability to configure the used timezone
+// by setting Decoder.Timezone and Encoder.Timezone; however, this is a bit
+// tricky: the reason we use three different variables for this is to support
+// round-tripping – without these specific TZ names we wouldn't know which
+// format to use.
+//
+// There isn't a good way to encode this right now though, and passing this sort
+// of information also ties in to various related issues such as string format
+// encoding, encoding of comments, etc.
+//
+// So, for the time being, just put this in internal until we can write a good
+// comprehensive API for doing all of this.
+//
+// The reason they're exported is because they're referred from in e.g.
+// internal/tag.
+//
+// Note that this behaviour is valid according to the TOML spec as the exact
+// behaviour is left up to implementations.
+var (
+	localOffset   = func() int { _, o := time.Now().Zone(); return o }()
+	LocalDatetime = time.FixedZone("datetime-local", localOffset)
+	LocalDate     = time.FixedZone("date-local", localOffset)
+	LocalTime     = time.FixedZone("time-local", localOffset)
+)

vendor/github.com/BurntSushi/toml/meta.go

@@ -1,33 +1,40 @@
 package toml
 
-import "strings"
+import (
+	"strings"
+)
 
-// MetaData allows access to meta information about TOML data that may not
-// be inferrable via reflection. In particular, whether a key has been defined
-// and the TOML type of a key.
+// MetaData allows access to meta information about TOML data that's not
+// accessible otherwise.
+//
+// It allows checking if a key is defined in the TOML data, whether any keys
+// were undecoded, and the TOML type of a key.
 type MetaData struct {
-	mapping map[string]interface{}
-	types   map[string]tomlType
-	keys    []Key
-	decoded map[string]bool
 	context Key // Used only during decoding.
+
+	keyInfo map[string]keyInfo
+	mapping map[string]interface{}
+	keys    []Key
+	decoded map[string]struct{}
+	data    []byte // Input file; for errors.
 }
 
-// IsDefined returns true if the key given exists in the TOML data. The key
-// should be specified hierarchially. e.g.,
+// IsDefined reports if the key exists in the TOML data.
 //
-//	// access the TOML key 'a.b.c'
-//	IsDefined("a", "b", "c")
+// The key should be specified hierarchically, for example to access the TOML
+// key "a.b.c" you would use IsDefined("a", "b", "c"). Keys are case sensitive.
 //
-// IsDefined will return false if an empty key given. Keys are case sensitive.
+// Returns false for an empty key.
 func (md *MetaData) IsDefined(key ...string) bool {
 	if len(key) == 0 {
 		return false
 	}
 
-	var hash map[string]interface{}
-	var ok bool
-	var hashOrVal interface{} = md.mapping
+	var (
+		hash      map[string]interface{}
+		ok        bool
+		hashOrVal interface{} = md.mapping
+	)
 	for _, k := range key {
 		if hash, ok = hashOrVal.(map[string]interface{}); !ok {
 			return false
@@ -41,58 +48,20 @@ func (md *MetaData) IsDefined(key ...string) bool {
 
 // Type returns a string representation of the type of the key specified.
 //
-// Type will return the empty string if given an empty key or a key that
-// does not exist. Keys are case sensitive.
+// Type will return the empty string if given an empty key or a key that does
+// not exist. Keys are case sensitive.
 func (md *MetaData) Type(key ...string) string {
-	fullkey := strings.Join(key, ".")
-	if typ, ok := md.types[fullkey]; ok {
-		return typ.typeString()
+	if ki, ok := md.keyInfo[Key(key).String()]; ok {
+		return ki.tomlType.typeString()
 	}
 	return ""
 }
 
-// Key is the type of any TOML key, including key groups. Use (MetaData).Keys
-// to get values of this type.
-type Key []string
-
-func (k Key) String() string {
-	return strings.Join(k, ".")
-}
-
-func (k Key) maybeQuotedAll() string {
-	var ss []string
-	for i := range k {
-		ss = append(ss, k.maybeQuoted(i))
-	}
-	return strings.Join(ss, ".")
-}
-
-func (k Key) maybeQuoted(i int) string {
-	quote := false
-	for _, c := range k[i] {
-		if !isBareKeyChar(c) {
-			quote = true
-			break
-		}
-	}
-	if quote {
-		return "\"" + strings.Replace(k[i], "\"", "\\\"", -1) + "\""
-	}
-	return k[i]
-}
-
-func (k Key) add(piece string) Key {
-	newKey := make(Key, len(k)+1)
-	copy(newKey, k)
-	newKey[len(k)] = piece
-	return newKey
-}
-
 // Keys returns a slice of every key in the TOML data, including key groups.
-// Each key is itself a slice, where the first element is the top of the
-// hierarchy and the last is the most specific.
 //
-// The list will have the same order as the keys appeared in the TOML data.
+// Each key is itself a slice, where the first element is the top of the
+// hierarchy and the last is the most specific. The list will have the same
+// order as the keys appeared in the TOML data.
 //
 // All keys returned are non-empty.
 func (md *MetaData) Keys() []Key {
@@ -113,9 +82,40 @@ func (md *MetaData) Keys() []Key {
 func (md *MetaData) Undecoded() []Key {
 	undecoded := make([]Key, 0, len(md.keys))
 	for _, key := range md.keys {
-		if !md.decoded[key.String()] {
+		if _, ok := md.decoded[key.String()]; !ok {
 			undecoded = append(undecoded, key)
 		}
 	}
 	return undecoded
 }
+
+// Key represents any TOML key, including key groups. Use (MetaData).Keys to get
+// values of this type.
+type Key []string
+
+func (k Key) String() string {
+	ss := make([]string, len(k))
+	for i := range k {
+		ss[i] = k.maybeQuoted(i)
+	}
+	return strings.Join(ss, ".")
+}
+
+func (k Key) maybeQuoted(i int) string {
+	if k[i] == "" {
+		return `""`
+	}
+	for _, c := range k[i] {
+		if !isBareKeyChar(c) {
+			return `"` + dblQuotedReplacer.Replace(k[i]) + `"`
+		}
+	}
+	return k[i]
+}
+
+func (k Key) add(piece string) Key {
+	newKey := make(Key, len(k)+1)
+	copy(newKey, k)
+	newKey[len(k)] = piece
+	return newKey
+}

vendor/github.com/BurntSushi/toml/parse.go

@@ -5,54 +5,69 @@ import (
 	"strconv"
 	"strings"
 	"time"
-	"unicode"
 	"unicode/utf8"
+
+	"github.com/BurntSushi/toml/internal"
 )
 
 type parser struct {
-	mapping map[string]interface{}
-	types   map[string]tomlType
-	lx      *lexer
+	lx         *lexer
+	context    Key      // Full key for the current hash in scope.
+	currentKey string   // Base key name for everything except hashes.
+	pos        Position // Current position in the TOML file.
 
-	// A list of keys in the order that they appear in the TOML data.
-	ordered []Key
+	ordered []Key // List of keys in the order that they appear in the TOML data.
 
-	// the full key for the current hash in scope
-	context Key
-
-	// the base key name for everything except hashes
-	currentKey string
-
-	// rough approximation of line number
-	approxLine int
-
-	// A map of 'key.group.names' to whether they were created implicitly.
-	implicits map[string]bool
+	keyInfo   map[string]keyInfo     // Map keyname → info about the TOML key.
+	mapping   map[string]interface{} // Map keyname → key value.
+	implicits map[string]struct{}    // Record implicit keys (e.g. "key.group.names").
 }
 
-type parseError string
-
-func (pe parseError) Error() string {
-	return string(pe)
+type keyInfo struct {
+	pos      Position
+	tomlType tomlType
 }
 
 func parse(data string) (p *parser, err error) {
 	defer func() {
 		if r := recover(); r != nil {
-			var ok bool
-			if err, ok = r.(parseError); ok {
+			if pErr, ok := r.(ParseError); ok {
+				pErr.input = data
+				err = pErr
 				return
 			}
 			panic(r)
 		}
 	}()
 
+	// Read over BOM; do this here as the lexer calls utf8.DecodeRuneInString()
+	// which mangles stuff.
+	if strings.HasPrefix(data, "\xff\xfe") || strings.HasPrefix(data, "\xfe\xff") {
+		data = data[2:]
+	}
+
+	// Examine first few bytes for NULL bytes; this probably means it's a UTF-16
+	// file (second byte in surrogate pair being NULL). Again, do this here to
+	// avoid having to deal with UTF-8/16 stuff in the lexer.
+	ex := 6
+	if len(data) < 6 {
+		ex = len(data)
+	}
+	if i := strings.IndexRune(data[:ex], 0); i > -1 {
+		return nil, ParseError{
+			Message:  "files cannot contain NULL bytes; probably using UTF-16; TOML files must be UTF-8",
+			Position: Position{Line: 1, Start: i, Len: 1},
+			Line:     1,
+			input:    data,
+		}
+	}
+
 	p = &parser{
+		keyInfo:   make(map[string]keyInfo),
 		mapping:   make(map[string]interface{}),
-		types:     make(map[string]tomlType),
 		lx:        lex(data),
 		ordered:   make([]Key, 0),
-		implicits: make(map[string]bool),
+		implicits: make(map[string]struct{}),
 	}
 	for {
 		item := p.next()
@@ -65,20 +80,57 @@ func parse(data string) (p *parser, err error) {
 	return p, nil
 }
 
+func (p *parser) panicErr(it item, err error) {
+	panic(ParseError{
+		err:      err,
+		Position: it.pos,
+		Line:     it.pos.Len,
+		LastKey:  p.current(),
+	})
+}
+
+func (p *parser) panicItemf(it item, format string, v ...interface{}) {
+	panic(ParseError{
+		Message:  fmt.Sprintf(format, v...),
+		Position: it.pos,
+		Line:     it.pos.Len,
+		LastKey:  p.current(),
+	})
+}
+
 func (p *parser) panicf(format string, v ...interface{}) {
-	msg := fmt.Sprintf("Near line %d (last key parsed '%s'): %s",
-		p.approxLine, p.current(), fmt.Sprintf(format, v...))
-	panic(parseError(msg))
+	panic(ParseError{
+		Message:  fmt.Sprintf(format, v...),
+		Position: p.pos,
+		Line:     p.pos.Line,
+		LastKey:  p.current(),
+	})
 }
 
 func (p *parser) next() item {
 	it := p.lx.nextItem()
+	//fmt.Printf("ITEM %-18s line %-3d │ %q\n", it.typ, it.pos.Line, it.val)
 	if it.typ == itemError {
-		p.panicf("%s", it.val)
+		if it.err != nil {
+			panic(ParseError{
+				Position: it.pos,
+				Line:     it.pos.Line,
+				LastKey:  p.current(),
+				err:      it.err,
+			})
+		}
+
+		p.panicItemf(it, "%s", it.val)
 	}
 	return it
 }
 
+func (p *parser) nextPos() item {
+	it := p.next()
+	p.pos = it.pos
+	return it
+}
+
 func (p *parser) bug(format string, v ...interface{}) {
 	panic(fmt.Sprintf("BUG: "+format+"\n\n", v...))
 }
@@ -97,44 +149,60 @@ func (p *parser) assertEqual(expected, got itemType) {
 
 func (p *parser) topLevel(item item) {
 	switch item.typ {
-	case itemCommentStart:
-		p.approxLine = item.line
+	case itemCommentStart: // # ..
 		p.expect(itemText)
-	case itemTableStart:
-		kg := p.next()
-		p.approxLine = kg.line
+	case itemTableStart: // [ .. ]
+		name := p.nextPos()
 
 		var key Key
-		for ; kg.typ != itemTableEnd && kg.typ != itemEOF; kg = p.next() {
-			key = append(key, p.keyString(kg))
+		for ; name.typ != itemTableEnd && name.typ != itemEOF; name = p.next() {
+			key = append(key, p.keyString(name))
 		}
-		p.assertEqual(itemTableEnd, kg.typ)
+		p.assertEqual(itemTableEnd, name.typ)
 
-		p.establishContext(key, false)
-		p.setType("", tomlHash)
+		p.addContext(key, false)
+		p.setType("", tomlHash, item.pos)
 		p.ordered = append(p.ordered, key)
-	case itemArrayTableStart:
-		kg := p.next()
-		p.approxLine = kg.line
+	case itemArrayTableStart: // [[ .. ]]
+		name := p.nextPos()
 
 		var key Key
-		for ; kg.typ != itemArrayTableEnd && kg.typ != itemEOF; kg = p.next() {
-			key = append(key, p.keyString(kg))
+		for ; name.typ != itemArrayTableEnd && name.typ != itemEOF; name = p.next() {
+			key = append(key, p.keyString(name))
 		}
-		p.assertEqual(itemArrayTableEnd, kg.typ)
+		p.assertEqual(itemArrayTableEnd, name.typ)
 
-		p.establishContext(key, true)
-		p.setType("", tomlArrayHash)
+		p.addContext(key, true)
+		p.setType("", tomlArrayHash, item.pos)
 		p.ordered = append(p.ordered, key)
-	case itemKeyStart:
-		kname := p.next()
-		p.approxLine = kname.line
-		p.currentKey = p.keyString(kname)
+	case itemKeyStart: // key = ..
+		outerContext := p.context
+		/// Read all the key parts (e.g. 'a' and 'b' in 'a.b')
+		k := p.nextPos()
+		var key Key
+		for ; k.typ != itemKeyEnd && k.typ != itemEOF; k = p.next() {
+			key = append(key, p.keyString(k))
+		}
+		p.assertEqual(itemKeyEnd, k.typ)
 
-		val, typ := p.value(p.next())
-		p.setValue(p.currentKey, val)
-		p.setType(p.currentKey, typ)
+		/// The current key is the last part.
+		p.currentKey = key[len(key)-1]
+
+		/// All the other parts (if any) are the context; need to set each part
+		/// as implicit.
+		context := key[:len(key)-1]
+		for i := range context {
+			p.addImplicitContext(append(p.context, context[i:i+1]...))
+		}
+
+		/// Set value.
+		vItem := p.next()
+		val, typ := p.value(vItem, false)
+		p.set(p.currentKey, val, typ, vItem.pos)
 		p.ordered = append(p.ordered, p.context.add(p.currentKey))
+
+		/// Remove the context we added (preserving any context from [tbl] lines).
+		p.context = outerContext
 		p.currentKey = ""
 	default:
 		p.bug("Unexpected type at top level: %s", item.typ)
@@ -148,180 +216,261 @@ func (p *parser) keyString(it item) string {
 		return it.val
 	case itemString, itemMultilineString,
 		itemRawString, itemRawMultilineString:
-		s, _ := p.value(it)
+		s, _ := p.value(it, false)
 		return s.(string)
 	default:
 		p.bug("Unexpected key type: %s", it.typ)
-		panic("unreachable")
 	}
+	panic("unreachable")
 }
 
+var datetimeRepl = strings.NewReplacer(
+	"z", "Z",
+	"t", "T",
+	" ", "T")
+
 // value translates an expected value from the lexer into a Go value wrapped
 // as an empty interface.
-func (p *parser) value(it item) (interface{}, tomlType) {
+func (p *parser) value(it item, parentIsArray bool) (interface{}, tomlType) {
 	switch it.typ {
 	case itemString:
-		return p.replaceEscapes(it.val), p.typeOfPrimitive(it)
+		return p.replaceEscapes(it, it.val), p.typeOfPrimitive(it)
 	case itemMultilineString:
-		trimmed := stripFirstNewline(stripEscapedWhitespace(it.val))
-		return p.replaceEscapes(trimmed), p.typeOfPrimitive(it)
+		return p.replaceEscapes(it, stripFirstNewline(p.stripEscapedNewlines(it.val))), p.typeOfPrimitive(it)
 	case itemRawString:
 		return it.val, p.typeOfPrimitive(it)
 	case itemRawMultilineString:
 		return stripFirstNewline(it.val), p.typeOfPrimitive(it)
+	case itemInteger:
+		return p.valueInteger(it)
+	case itemFloat:
+		return p.valueFloat(it)
 	case itemBool:
 		switch it.val {
 		case "true":
 			return true, p.typeOfPrimitive(it)
 		case "false":
 			return false, p.typeOfPrimitive(it)
+		default:
+			p.bug("Expected boolean value, but got '%s'.", it.val)
 		}
-		p.bug("Expected boolean value, but got '%s'.", it.val)
-	case itemInteger:
-		if !numUnderscoresOK(it.val) {
-			p.panicf("Invalid integer %q: underscores must be surrounded by digits",
-				it.val)
-		}
-		val := strings.Replace(it.val, "_", "", -1)
-		num, err := strconv.ParseInt(val, 10, 64)
-		if err != nil {
-			// Distinguish integer values. Normally, it'd be a bug if the lexer
-			// provides an invalid integer, but it's possible that the number is
-			// out of range of valid values (which the lexer cannot determine).
-			// So mark the former as a bug but the latter as a legitimate user
-			// error.
-			if e, ok := err.(*strconv.NumError); ok &&
-				e.Err == strconv.ErrRange {
-
-				p.panicf("Integer '%s' is out of the range of 64-bit "+
-					"signed integers.", it.val)
-			} else {
-				p.bug("Expected integer value, but got '%s'.", it.val)
-			}
-		}
-		return num, p.typeOfPrimitive(it)
-	case itemFloat:
-		parts := strings.FieldsFunc(it.val, func(r rune) bool {
-			switch r {
-			case '.', 'e', 'E':
-				return true
-			}
-			return false
-		})
-		for _, part := range parts {
-			if !numUnderscoresOK(part) {
-				p.panicf("Invalid float %q: underscores must be "+
-					"surrounded by digits", it.val)
-			}
-		}
-		if !numPeriodsOK(it.val) {
-			// As a special case, numbers like '123.' or '1.e2',
-			// which are valid as far as Go/strconv are concerned,
-			// must be rejected because TOML says that a fractional
-			// part consists of '.' followed by 1+ digits.
-			p.panicf("Invalid float %q: '.' must be followed "+
-				"by one or more digits", it.val)
-		}
-		val := strings.Replace(it.val, "_", "", -1)
-		num, err := strconv.ParseFloat(val, 64)
-		if err != nil {
-			if e, ok := err.(*strconv.NumError); ok &&
-				e.Err == strconv.ErrRange {
-
-				p.panicf("Float '%s' is out of the range of 64-bit "+
-					"IEEE-754 floating-point numbers.", it.val)
-			} else {
-				p.panicf("Invalid float value: %q", it.val)
-			}
-		}
-		return num, p.typeOfPrimitive(it)
 	case itemDatetime:
-		var t time.Time
-		var ok bool
-		var err error
-		for _, format := range []string{
-			"2006-01-02T15:04:05Z07:00",
-			"2006-01-02T15:04:05",
-			"2006-01-02",
-		} {
-			t, err = time.ParseInLocation(format, it.val, time.Local)
-			if err == nil {
-				ok = true
-				break
-			}
-		}
-		if !ok {
-			p.panicf("Invalid TOML Datetime: %q.", it.val)
-		}
-		return t, p.typeOfPrimitive(it)
+		return p.valueDatetime(it)
 	case itemArray:
-		array := make([]interface{}, 0)
-		types := make([]tomlType, 0)
-
-		for it = p.next(); it.typ != itemArrayEnd; it = p.next() {
-			if it.typ == itemCommentStart {
-				p.expect(itemText)
-				continue
-			}
-
-			val, typ := p.value(it)
-			array = append(array, val)
-			types = append(types, typ)
-		}
-		return array, p.typeOfArray(types)
+		return p.valueArray(it)
 	case itemInlineTableStart:
-		var (
-			hash         = make(map[string]interface{})
-			outerContext = p.context
-			outerKey     = p.currentKey
-		)
-
-		p.context = append(p.context, p.currentKey)
-		p.currentKey = ""
-		for it := p.next(); it.typ != itemInlineTableEnd; it = p.next() {
-			if it.typ != itemKeyStart {
-				p.bug("Expected key start but instead found %q, around line %d",
-					it.val, p.approxLine)
-			}
-			if it.typ == itemCommentStart {
-				p.expect(itemText)
-				continue
-			}
-
-			// retrieve key
-			k := p.next()
-			p.approxLine = k.line
-			kname := p.keyString(k)
-
-			// retrieve value
-			p.currentKey = kname
-			val, typ := p.value(p.next())
-			// make sure we keep metadata up to date
-			p.setType(kname, typ)
-			p.ordered = append(p.ordered, p.context.add(p.currentKey))
-			hash[kname] = val
-		}
-		p.context = outerContext
-		p.currentKey = outerKey
-		return hash, tomlHash
+		return p.valueInlineTable(it, parentIsArray)
+	default:
+		p.bug("Unexpected value type: %s", it.typ)
 	}
-	p.bug("Unexpected value type: %s", it.typ)
 	panic("unreachable")
 }
 
+func (p *parser) valueInteger(it item) (interface{}, tomlType) {
+	if !numUnderscoresOK(it.val) {
+		p.panicItemf(it, "Invalid integer %q: underscores must be surrounded by digits", it.val)
+	}
+	if numHasLeadingZero(it.val) {
+		p.panicItemf(it, "Invalid integer %q: cannot have leading zeroes", it.val)
+	}
+
+	num, err := strconv.ParseInt(it.val, 0, 64)
+	if err != nil {
+		// Distinguish integer values. Normally, it'd be a bug if the lexer
+		// provides an invalid integer, but it's possible that the number is
+		// out of range of valid values (which the lexer cannot determine).
+		// So mark the former as a bug but the latter as a legitimate user
+		// error.
+		if e, ok := err.(*strconv.NumError); ok && e.Err == strconv.ErrRange {
+			p.panicErr(it, errParseRange{i: it.val, size: "int64"})
+		} else {
+			p.bug("Expected integer value, but got '%s'.", it.val)
+		}
+	}
+	return num, p.typeOfPrimitive(it)
+}
+
+func (p *parser) valueFloat(it item) (interface{}, tomlType) {
+	parts := strings.FieldsFunc(it.val, func(r rune) bool {
+		switch r {
+		case '.', 'e', 'E':
+			return true
+		}
+		return false
+	})
+	for _, part := range parts {
+		if !numUnderscoresOK(part) {
+			p.panicItemf(it, "Invalid float %q: underscores must be surrounded by digits", it.val)
+		}
+	}
+	if len(parts) > 0 && numHasLeadingZero(parts[0]) {
+		p.panicItemf(it, "Invalid float %q: cannot have leading zeroes", it.val)
+	}
+	if !numPeriodsOK(it.val) {
+		// As a special case, numbers like '123.' or '1.e2',
+		// which are valid as far as Go/strconv are concerned,
+		// must be rejected because TOML says that a fractional
+		// part consists of '.' followed by 1+ digits.
+		p.panicItemf(it, "Invalid float %q: '.' must be followed by one or more digits", it.val)
+	}
+	val := strings.Replace(it.val, "_", "", -1)
+	if val == "+nan" || val == "-nan" { // Go doesn't support this, but TOML spec does.
+		val = "nan"
+	}
+	num, err := strconv.ParseFloat(val, 64)
+	if err != nil {
+		if e, ok := err.(*strconv.NumError); ok && e.Err == strconv.ErrRange {
+			p.panicErr(it, errParseRange{i: it.val, size: "float64"})
+		} else {
+			p.panicItemf(it, "Invalid float value: %q", it.val)
+		}
+	}
+	return num, p.typeOfPrimitive(it)
+}
+
+var dtTypes = []struct {
+	fmt  string
+	zone *time.Location
+}{
+	{time.RFC3339Nano, time.Local},
+	{"2006-01-02T15:04:05.999999999", internal.LocalDatetime},
+	{"2006-01-02", internal.LocalDate},
+	{"15:04:05.999999999", internal.LocalTime},
+}
+
+func (p *parser) valueDatetime(it item) (interface{}, tomlType) {
+	it.val = datetimeRepl.Replace(it.val)
+	var (
+		t   time.Time
+		ok  bool
+		err error
+	)
+	for _, dt := range dtTypes {
+		t, err = time.ParseInLocation(dt.fmt, it.val, dt.zone)
+		if err == nil {
+			ok = true
+			break
+		}
+	}
+	if !ok {
+		p.panicItemf(it, "Invalid TOML Datetime: %q.", it.val)
+	}
+	return t, p.typeOfPrimitive(it)
+}
+
+func (p *parser) valueArray(it item) (interface{}, tomlType) {
+	p.setType(p.currentKey, tomlArray, it.pos)
+
+	var (
+		types []tomlType
+
+		// Initialize to a non-nil empty slice. This makes it consistent with
+		// how S = [] decodes into a non-nil slice inside something like struct
+		// { S []string }. See #338
+		array = []interface{}{}
+	)
+	for it = p.next(); it.typ != itemArrayEnd; it = p.next() {
+		if it.typ == itemCommentStart {
+			p.expect(itemText)
+			continue
+		}
+
+		val, typ := p.value(it, true)
+		array = append(array, val)
+		types = append(types, typ)
+
+		// XXX: types isn't used here, we need it to record the accurate type
+		// information.
+		//
+		// Not entirely sure how to best store this; could use "key[0]",
+		// "key[1]" notation, or maybe store it on the Array type?
+	}
+	return array, tomlArray
+}
+
+func (p *parser) valueInlineTable(it item, parentIsArray bool) (interface{}, tomlType) {
+	var (
+		hash         = make(map[string]interface{})
+		outerContext = p.context
+		outerKey     = p.currentKey
+	)
+
+	p.context = append(p.context, p.currentKey)
+	prevContext := p.context
+	p.currentKey = ""
+
+	p.addImplicit(p.context)
+	p.addContext(p.context, parentIsArray)
+
+	/// Loop over all table key/value pairs.
+	for it := p.next(); it.typ != itemInlineTableEnd; it = p.next() {
+		if it.typ == itemCommentStart {
+			p.expect(itemText)
+			continue
+		}
+
+		/// Read all key parts.
+		k := p.nextPos()
+		var key Key
+		for ; k.typ != itemKeyEnd && k.typ != itemEOF; k = p.next() {
+			key = append(key, p.keyString(k))
+		}
+		p.assertEqual(itemKeyEnd, k.typ)
+
+		/// The current key is the last part.
+		p.currentKey = key[len(key)-1]
+
+		/// All the other parts (if any) are the context; need to set each part
+		/// as implicit.
+		context := key[:len(key)-1]
+		for i := range context {
+			p.addImplicitContext(append(p.context, context[i:i+1]...))
+		}
+
+		/// Set the value.
+		val, typ := p.value(p.next(), false)
+		p.set(p.currentKey, val, typ, it.pos)
+		p.ordered = append(p.ordered, p.context.add(p.currentKey))
+		hash[p.currentKey] = val
+
+		/// Restore context.
+		p.context = prevContext
+	}
+	p.context = outerContext
+	p.currentKey = outerKey
+	return hash, tomlHash
+}
+
+// numHasLeadingZero checks if this number has leading zeroes, allowing for '0',
+// +/- signs, and base prefixes.
+func numHasLeadingZero(s string) bool {
+	if len(s) > 1 && s[0] == '0' && !(s[1] == 'b' || s[1] == 'o' || s[1] == 'x') { // Allow 0b, 0o, 0x
+		return true
+	}
+	if len(s) > 2 && (s[0] == '-' || s[0] == '+') && s[1] == '0' {
+		return true
+	}
+	return false
+}
+
 // numUnderscoresOK checks whether each underscore in s is surrounded by
 // characters that are not underscores.
 func numUnderscoresOK(s string) bool {
+	switch s {
+	case "nan", "+nan", "-nan", "inf", "-inf", "+inf":
+		return true
+	}
 	accept := false
 	for _, r := range s {
 		if r == '_' {
 			if !accept {
 				return false
 			}
-			accept = false
-			continue
 		}
-		accept = true
+
+		// isHexadecimal is a superset of all the permissable characters
+		// surrounding an underscore.
+		accept = isHexadecimal(r)
 	}
 	return accept
 }
@@ -338,13 +487,12 @@ func numPeriodsOK(s string) bool {
 	return !period
 }
 
-// establishContext sets the current context of the parser,
-// where the context is either a hash or an array of hashes. Which one is
-// set depends on the value of the `array` parameter.
+// Set the current context of the parser, where the context is either a hash or
+// an array of hashes, depending on the value of the `array` parameter.
 //
 // Establishing the context also makes sure that the key isn't a duplicate, and
 // will create implicit hashes automatically.
-func (p *parser) establishContext(key Key, array bool) {
+func (p *parser) addContext(key Key, array bool) {
 	var ok bool
 
 	// Always start at the top level and drill down for our context.
@@ -383,7 +531,7 @@ func (p *parser) establishContext(key Key, array bool) {
 		// list of tables for it.
 		k := key[len(key)-1]
 		if _, ok := hashContext[k]; !ok {
-			hashContext[k] = make([]map[string]interface{}, 0, 5)
+			hashContext[k] = make([]map[string]interface{}, 0, 4)
 		}
 
 		// Add a new table. But make sure the key hasn't already been used
@@ -391,8 +539,7 @@ func (p *parser) establishContext(key Key, array bool) {
 		if hash, ok := hashContext[k].([]map[string]interface{}); ok {
 			hashContext[k] = append(hash, make(map[string]interface{}))
 		} else {
-			p.panicf("Key '%s' was already created and cannot be used as "+
-				"an array.", keyContext)
+			p.panicf("Key '%s' was already created and cannot be used as an array.", key)
 		}
 	} else {
 		p.setValue(key[len(key)-1], make(map[string]interface{}))
@@ -400,15 +547,23 @@ func (p *parser) establishContext(key Key, array bool) {
 	p.context = append(p.context, key[len(key)-1])
 }
 
+// set calls setValue and setType.
+func (p *parser) set(key string, val interface{}, typ tomlType, pos Position) {
+	p.setValue(key, val)
+	p.setType(key, typ, pos)
+
+}
+
 // setValue sets the given key to the given value in the current context.
 // It will make sure that the key hasn't already been defined, account for
 // implicit key groups.
 func (p *parser) setValue(key string, value interface{}) {
-	var tmpHash interface{}
-	var ok bool
-
-	hash := p.mapping
-	keyContext := make(Key, 0)
+	var (
+		tmpHash    interface{}
+		ok         bool
+		hash       = p.mapping
+		keyContext Key
+	)
 	for _, k := range p.context {
 		keyContext = append(keyContext, k)
 		if tmpHash, ok = hash[k]; !ok {
@@ -422,24 +577,26 @@ func (p *parser) setValue(key string, value interface{}) {
 		case map[string]interface{}:
 			hash = t
 		default:
-			p.bug("Expected hash to have type 'map[string]interface{}', but "+
-				"it has '%T' instead.", tmpHash)
+			p.panicf("Key '%s' has already been defined.", keyContext)
 		}
 	}
 	keyContext = append(keyContext, key)
 
 	if _, ok := hash[key]; ok {
-		// Typically, if the given key has already been set, then we have
-		// to raise an error since duplicate keys are disallowed. However,
-		// it's possible that a key was previously defined implicitly. In this
-		// case, it is allowed to be redefined concretely. (See the
-		// `tests/valid/implicit-and-explicit-after.toml` test in `toml-test`.)
+		// Normally redefining keys isn't allowed, but the key could have been
+		// defined implicitly and it's allowed to be redefined concretely. (See
+		// the `valid/implicit-and-explicit-after.toml` in toml-test)
 		//
 		// But we have to make sure to stop marking it as an implicit. (So that
 		// another redefinition provokes an error.)
 		//
 		// Note that since it has already been defined (as a hash), we don't
 		// want to overwrite it. So our business is done.
+		if p.isArray(keyContext) {
+			p.removeImplicit(keyContext)
+			hash[key] = value
+			return
+		}
 		if p.isImplicit(keyContext) {
 			p.removeImplicit(keyContext)
 			return
@@ -449,40 +606,39 @@ func (p *parser) setValue(key string, value interface{}) {
 		// key, which is *always* wrong.
 		p.panicf("Key '%s' has already been defined.", keyContext)
 	}
+
 	hash[key] = value
 }
 
-// setType sets the type of a particular value at a given key.
-// It should be called immediately AFTER setValue.
+// setType sets the type of a particular value at a given key. It should be
+// called immediately AFTER setValue.
 //
 // Note that if `key` is empty, then the type given will be applied to the
 // current context (which is either a table or an array of tables).
-func (p *parser) setType(key string, typ tomlType) {
+func (p *parser) setType(key string, typ tomlType, pos Position) {
 	keyContext := make(Key, 0, len(p.context)+1)
-	for _, k := range p.context {
-		keyContext = append(keyContext, k)
-	}
+	keyContext = append(keyContext, p.context...)
 	if len(key) > 0 { // allow type setting for hashes
 		keyContext = append(keyContext, key)
 	}
-	p.types[keyContext.String()] = typ
+	// Special case to make empty keys ("" = 1) work.
+	// Without it it will set "" rather than `""`.
+	// TODO: why is this needed? And why is this only needed here?
+	if len(keyContext) == 0 {
+		keyContext = Key{""}
+	}
+	p.keyInfo[keyContext.String()] = keyInfo{tomlType: typ, pos: pos}
 }
 
-// addImplicit sets the given Key as having been created implicitly.
-func (p *parser) addImplicit(key Key) {
-	p.implicits[key.String()] = true
-}
-
-// removeImplicit stops tagging the given key as having been implicitly
-// created.
-func (p *parser) removeImplicit(key Key) {
-	p.implicits[key.String()] = false
-}
-
-// isImplicit returns true if the key group pointed to by the key was created
-// implicitly.
-func (p *parser) isImplicit(key Key) bool {
-	return p.implicits[key.String()]
+// Implicit keys need to be created when tables are implied in "a.b.c.d = 1" and
+// "[a.b.c]" (the "a", "b", and "c" hashes are never created explicitly).
+func (p *parser) addImplicit(key Key)     { p.implicits[key.String()] = struct{}{} }
+func (p *parser) removeImplicit(key Key)  { delete(p.implicits, key.String()) }
+func (p *parser) isImplicit(key Key) bool { _, ok := p.implicits[key.String()]; return ok }
+func (p *parser) isArray(key Key) bool    { return p.keyInfo[key.String()].tomlType == tomlArray }
+func (p *parser) addImplicitContext(key Key) {
+	p.addImplicit(key)
+	p.addContext(key, false)
 }
 
 // current returns the full key name of the current context.
@@ -497,24 +653,62 @@ func (p *parser) current() string {
 }
 
 func stripFirstNewline(s string) string {
-	if len(s) == 0 || s[0] != '\n' {
+	if len(s) > 0 && s[0] == '\n' {
+		return s[1:]
+	}
+	if len(s) > 1 && s[0] == '\r' && s[1] == '\n' {
+		return s[2:]
+	}
+	return s
+}
+
+// Remove newlines inside triple-quoted strings if a line ends with "\".
+func (p *parser) stripEscapedNewlines(s string) string {
+	split := strings.Split(s, "\n")
+	if len(split) < 1 {
 		return s
 	}
-	return s[1:]
-}
 
-func stripEscapedWhitespace(s string) string {
-	esc := strings.Split(s, "\\\n")
-	if len(esc) > 1 {
-		for i := 1; i < len(esc); i++ {
-			esc[i] = strings.TrimLeftFunc(esc[i], unicode.IsSpace)
+	escNL := false // Keep track of the last non-blank line was escaped.
+	for i, line := range split {
+		line = strings.TrimRight(line, " \t\r")
+
+		if len(line) == 0 || line[len(line)-1] != '\\' {
+			split[i] = strings.TrimRight(split[i], "\r")
+			if !escNL && i != len(split)-1 {
+				split[i] += "\n"
+			}
+			continue
+		}
+
+		escBS := true
+		for j := len(line) - 1; j >= 0 && line[j] == '\\'; j-- {
+			escBS = !escBS
+		}
+		if escNL {
+			line = strings.TrimLeft(line, " \t\r")
+		}
+		escNL = !escBS
+
+		if escBS {
+			split[i] += "\n"
+			continue
+		}
+
+		if i == len(split)-1 {
+			p.panicf("invalid escape: '\\ '")
+		}
+
+		split[i] = line[:len(line)-1] // Remove \
+		if len(split)-1 > i {
+			split[i+1] = strings.TrimLeft(split[i+1], " \t\r")
 		}
 	}
-	return strings.Join(esc, "")
+	return strings.Join(split, "")
 }
 
-func (p *parser) replaceEscapes(str string) string {
-	var replaced []rune
+func (p *parser) replaceEscapes(it item, str string) string {
+	replaced := make([]rune, 0, len(str))
 	s := []byte(str)
 	r := 0
 	for r < len(s) {
@@ -532,7 +726,8 @@ func (p *parser) replaceEscapes(str string) string {
 		switch s[r] {
 		default:
 			p.bug("Expected valid escape code after \\, but got %q.", s[r])
-			return ""
+		case ' ', '\t':
+			p.panicItemf(it, "invalid escape: '\\%c'", s[r])
 		case 'b':
 			replaced = append(replaced, rune(0x0008))
 			r += 1
@@ -558,14 +753,14 @@ func (p *parser) replaceEscapes(str string) string {
 			// At this point, we know we have a Unicode escape of the form
 			// `uXXXX` at [r, r+5). (Because the lexer guarantees this
 			// for us.)
-			escaped := p.asciiEscapeToUnicode(s[r+1 : r+5])
+			escaped := p.asciiEscapeToUnicode(it, s[r+1:r+5])
 			replaced = append(replaced, escaped)
 			r += 5
 		case 'U':
 			// At this point, we know we have a Unicode escape of the form
 			// `uXXXX` at [r, r+9). (Because the lexer guarantees this
 			// for us.)
-			escaped := p.asciiEscapeToUnicode(s[r+1 : r+9])
+			escaped := p.asciiEscapeToUnicode(it, s[r+1:r+9])
 			replaced = append(replaced, escaped)
 			r += 9
 		}
@@ -573,20 +768,14 @@ func (p *parser) replaceEscapes(str string) string {
 	return string(replaced)
 }
 
-func (p *parser) asciiEscapeToUnicode(bs []byte) rune {
+func (p *parser) asciiEscapeToUnicode(it item, bs []byte) rune {
 	s := string(bs)
 	hex, err := strconv.ParseUint(strings.ToLower(s), 16, 32)
 	if err != nil {
-		p.bug("Could not parse '%s' as a hexadecimal number, but the "+
-			"lexer claims it's OK: %s", s, err)
+		p.bug("Could not parse '%s' as a hexadecimal number, but the lexer claims it's OK: %s", s, err)
 	}
 	if !utf8.ValidRune(rune(hex)) {
-		p.panicf("Escaped character '\\u%s' is not valid UTF-8.", s)
+		p.panicItemf(it, "Escaped character '\\u%s' is not valid UTF-8.", s)
 	}
 	return rune(hex)
 }
-
-func isStringType(ty itemType) bool {
-	return ty == itemString || ty == itemMultilineString ||
-		ty == itemRawString || ty == itemRawMultilineString
-}

vendor/github.com/BurntSushi/toml/session.vim

@@ -1 +0,0 @@
-au BufWritePost *.go silent!make tags > /dev/null 2>&1

vendor/github.com/BurntSushi/toml/type_fields.go

@@ -70,8 +70,8 @@ func typeFields(t reflect.Type) []field {
 	next := []field{{typ: t}}
 
 	// Count of queued names for current level and the next.
-	count := map[reflect.Type]int{}
-	nextCount := map[reflect.Type]int{}
+	var count map[reflect.Type]int
+	var nextCount map[reflect.Type]int
 
 	// Types already visited at an earlier level.
 	visited := map[reflect.Type]bool{}

vendor/github.com/BurntSushi/toml/type_toml.go

@@ -16,7 +16,7 @@ func typeEqual(t1, t2 tomlType) bool {
 	return t1.typeString() == t2.typeString()
 }
 
-func typeIsHash(t tomlType) bool {
+func typeIsTable(t tomlType) bool {
 	return typeEqual(t, tomlHash) || typeEqual(t, tomlArrayHash)
 }
 
@@ -68,24 +68,3 @@ func (p *parser) typeOfPrimitive(lexItem item) tomlType {
 	p.bug("Cannot infer primitive type of lex item '%s'.", lexItem)
 	panic("unreachable")
 }
-
-// typeOfArray returns a tomlType for an array given a list of types of its
-// values.
-//
-// In the current spec, if an array is homogeneous, then its type is always
-// "Array". If the array is not homogeneous, an error is generated.
-func (p *parser) typeOfArray(types []tomlType) tomlType {
-	// Empty arrays are cool.
-	if len(types) == 0 {
-		return tomlArray
-	}
-
-	theType := types[0]
-	for _, t := range types[1:] {
-		if !typeEqual(theType, t) {
-			p.panicf("Array contains values of type '%s' and '%s', but "+
-				"arrays must be homogeneous.", theType, t)
-		}
-	}
-	return tomlArray
-}

vendor/github.com/certifi/gocertifi/.travis.yml

@@ -1,13 +0,0 @@
----
-language: go
-go:
-- tip
-- 1.12.x
-- 1.11.x
-- 1.10.x
-- 1.9.x
-- 1.8.x
-sudo: false
-
-# Forks will use that path for checkout
-go_import_path: github.com/certifi/gocertifi

vendor/github.com/certifi/gocertifi/README.md

@@ -23,23 +23,23 @@ You can use the returned `*x509.CertPool` as part of an HTTP transport, for exam
 
 ```go
 import (
-  "net/http"
-  "crypto/tls"
+	"net/http"
+	"crypto/tls"
 )
 
 // Setup an HTTP client with a custom transport
 transport := &http.Transport{
-  Proxy: ProxyFromEnvironment,
-  DialContext: (&net.Dialer{
-    Timeout:   30 * time.Second,
-    KeepAlive: 30 * time.Second,
-    DualStack: true,
-  }).DialContext,
-  ForceAttemptHTTP2:     true,
-  MaxIdleConns:          100,
-  IdleConnTimeout:       90 * time.Second,
-  TLSHandshakeTimeout:   10 * time.Second,
-  ExpectContinueTimeout: 1 * time.Second,
+	Proxy: ProxyFromEnvironment,
+	DialContext: (&net.Dialer{
+		Timeout:   30 * time.Second,
+		KeepAlive: 30 * time.Second,
+		DualStack: true,
+	}).DialContext,
+	ForceAttemptHTTP2:     true,
+	MaxIdleConns:          100,
+	IdleConnTimeout:       90 * time.Second,
+	TLSHandshakeTimeout:   10 * time.Second,
+	ExpectContinueTimeout: 1 * time.Second,
 }
 // or, starting with go1.13 simply use:
 // transport := http.DefaultTransport.(*http.Transport).Clone()
@@ -59,16 +59,11 @@ Import as follows:
 import "github.com/certifi/gocertifi"
 ```
 
-### Errors
-
-```go
-var ErrParseFailed = errors.New("gocertifi: error when parsing certificates")
-```
-
 ### Functions
 
 ```go
 func CACerts() (*x509.CertPool, error)
 ```
 CACerts builds an X.509 certificate pool containing the Mozilla CA Certificate
-bundle. Returns nil on error along with an appropriate error code.
+bundle. This can't actually error and always returns successfully with `nil`
+as the error. This will be replaced in `v2` to only return the `CertPool`.

vendor/github.com/coredns/coredns/core/dnsserver/address.go

@@ -49,12 +49,23 @@ func newOverlapZone() *zoneOverlap {
 // registerAndCheck adds a new zoneAddr for validation, it returns information about existing or overlapping with already registered
 // we consider that an unbound address is overlapping all bound addresses for same zone, same port
 func (zo *zoneOverlap) registerAndCheck(z zoneAddr) (existingZone *zoneAddr, overlappingZone *zoneAddr) {
+	existingZone, overlappingZone = zo.check(z)
+	if existingZone != nil || overlappingZone != nil {
+		return existingZone, overlappingZone
+	}
+	// there is no overlap, keep the current zoneAddr for future checks
+	zo.registeredAddr[z] = z
+	zo.unboundOverlap[z.unbound()] = z
+	return nil, nil
+}
 
+// check validates a zoneAddr for overlap without registering it
+func (zo *zoneOverlap) check(z zoneAddr) (existingZone *zoneAddr, overlappingZone *zoneAddr) {
 	if exist, ok := zo.registeredAddr[z]; ok {
 		// exact same zone already registered
 		return &exist, nil
 	}
-	uz := zoneAddr{Zone: z.Zone, Address: "", Port: z.Port, Transport: z.Transport}
+	uz := z.unbound()
 	if already, ok := zo.unboundOverlap[uz]; ok {
 		if z.Address == "" {
 			// current is not bound to an address, but there is already another zone with a bind address registered
@@ -65,8 +76,11 @@ func (zo *zoneOverlap) registerAndCheck(z zoneAddr) (existingZone *zoneAddr, ove
 			return nil, &uz
 		}
 	}
-	// there is no overlap, keep the current zoneAddr for future checks
-	zo.registeredAddr[z] = z
-	zo.unboundOverlap[uz] = z
+	// there is no overlap
 	return nil, nil
 }
+
+// unbound returns an unbound version of the zoneAddr
+func (z zoneAddr) unbound() zoneAddr {
+	return zoneAddr{Zone: z.Zone, Address: "", Port: z.Port, Transport: z.Transport}
+}

vendor/github.com/coredns/coredns/core/dnsserver/config.go

@@ -1,12 +1,14 @@
 package dnsserver
 
 import (
+	"context"
 	"crypto/tls"
 	"fmt"
 	"net/http"
 
 	"github.com/coredns/caddy"
 	"github.com/coredns/coredns/plugin"
+	"github.com/coredns/coredns/request"
 )
 
 // Config configuration for a single server.
@@ -28,6 +30,9 @@ type Config struct {
 	// Debug controls the panic/recover mechanism that is enabled by default.
 	Debug bool
 
+	// Stacktrace controls including stacktrace as part of log from recover mechanism, it is disabled by default.
+	Stacktrace bool
+
 	// The transport we implement, normally just "dns" over TCP/UDP, but could be
 	// DNS-over-TLS or DNS-over-gRPC.
 	Transport string
@@ -37,9 +42,20 @@ type Config struct {
 	// may depend on it.
 	HTTPRequestValidateFunc func(*http.Request) bool
 
+	// FilterFuncs is used to further filter access
+	// to this handler. E.g. to limit access to a reverse zone
+	// on a non-octet boundary, i.e. /17
+	FilterFuncs []FilterFunc
+
+	// ViewName is the name of the Viewer PLugin defined in the Config
+	ViewName string
+
 	// TLSConfig when listening for encrypted connections (gRPC, DNS-over-TLS).
 	TLSConfig *tls.Config
 
+	// TSIG secrets, [name]key.
+	TsigSecret map[string]string
+
 	// Plugin stack.
 	Plugin []plugin.Plugin
 
@@ -54,8 +70,14 @@ type Config struct {
 	// firstConfigInBlock is used to reference the first config in a server block, for the
 	// purpose of sharing single instance of each plugin among all zones in a server block.
 	firstConfigInBlock *Config
+
+	// metaCollector references the first MetadataCollector plugin, if one exists
+	metaCollector MetadataCollector
 }
 
+// FilterFunc is a function that filters requests from the Config
+type FilterFunc func(context.Context, *request.Request) bool
+
 // keyForConfig builds a key for identifying the configs during setup time
 func keyForConfig(blocIndex int, blocKeyIndex int) string {
 	return fmt.Sprintf("%d:%d", blocIndex, blocKeyIndex)

vendor/github.com/coredns/coredns/core/dnsserver/onstartup.go

@@ -2,17 +2,31 @@ package dnsserver
 
 import (
 	"fmt"
+	"regexp"
 	"sort"
+
+	"github.com/coredns/coredns/plugin/pkg/dnsutil"
 )
 
+// checkZoneSyntax() checks whether the given string match 1035 Preferred Syntax or not.
+// The root zone, and all reverse zones always return true even though they technically don't meet 1035 Preferred Syntax
+func checkZoneSyntax(zone string) bool {
+	if zone == "." || dnsutil.IsReverse(zone) != 0 {
+		return true
+	}
+	regex1035PreferredSyntax, _ := regexp.MatchString(`^(([A-Za-z]([A-Za-z0-9-]*[A-Za-z0-9])?)\.)+$`, zone)
+	return regex1035PreferredSyntax
+}
+
 // startUpZones creates the text that we show when starting up:
 // grpc://example.com.:1055
 // example.com.:1053 on 127.0.0.1
-func startUpZones(protocol, addr string, zones map[string]*Config) string {
+func startUpZones(protocol, addr string, zones map[string][]*Config) string {
 	s := ""
 
 	keys := make([]string, len(zones))
 	i := 0
+
 	for k := range zones {
 		keys[i] = k
 		i++
@@ -20,6 +34,9 @@ func startUpZones(protocol, addr string, zones map[string]*Config) string {
 	sort.Strings(keys)
 
 	for _, zone := range keys {
+		if !checkZoneSyntax(zone) {
+			s += fmt.Sprintf("Warning: Domain %q does not follow RFC1035 preferred syntax\n", zone)
+		}
 		// split addr into protocol, IP and Port
 		_, ip, port, err := SplitProtocolHostPort(addr)
 

vendor/github.com/coredns/coredns/core/dnsserver/register.go

@@ -138,14 +138,6 @@ func (h *dnsContext) InspectServerBlocks(sourceFile string, serverBlocks []caddy
 
 // MakeServers uses the newly-created siteConfigs to create and return a list of server instances.
 func (h *dnsContext) MakeServers() ([]caddy.Server, error) {
-
-	// Now that all Keys and Directives are parsed and initialized
-	// lets verify that there is no overlap on the zones and addresses to listen for
-	errValid := h.validateZonesAndListeningAddresses()
-	if errValid != nil {
-		return nil, errValid
-	}
-
 	// Copy the Plugin, ListenHosts and Debug from first config in the block
 	// to all other config in the same block . Doing this results in zones
 	// sharing the same plugin instances and settings as other zones in
@@ -154,7 +146,9 @@ func (h *dnsContext) MakeServers() ([]caddy.Server, error) {
 		c.Plugin = c.firstConfigInBlock.Plugin
 		c.ListenHosts = c.firstConfigInBlock.ListenHosts
 		c.Debug = c.firstConfigInBlock.Debug
+		c.Stacktrace = c.firstConfigInBlock.Stacktrace
 		c.TLSConfig = c.firstConfigInBlock.TLSConfig
+		c.TsigSecret = c.firstConfigInBlock.TsigSecret
 	}
 
 	// we must map (group) each config to a bind address
@@ -195,7 +189,27 @@ func (h *dnsContext) MakeServers() ([]caddy.Server, error) {
 			}
 			servers = append(servers, s)
 		}
+	}
 
+	// For each server config, check for View Filter plugins
+	for _, c := range h.configs {
+		// Add filters in the plugin.cfg order for consistent filter func evaluation order.
+		for _, d := range Directives {
+			if vf, ok := c.registry[d].(Viewer); ok {
+				if c.ViewName != "" {
+					return nil, fmt.Errorf("multiple views defined in server block")
+				}
+				c.ViewName = vf.ViewName()
+				c.FilterFuncs = append(c.FilterFuncs, vf.Filter)
+			}
+		}
+	}
+
+	// Verify that there is no overlap on the zones and listen addresses
+	// for unfiltered server configs
+	errValid := h.validateZonesAndListeningAddresses()
+	if errValid != nil {
+		return nil, errValid
 	}
 
 	return servers, nil
@@ -253,18 +267,24 @@ func (h *dnsContext) validateZonesAndListeningAddresses() error {
 		for _, h := range conf.ListenHosts {
 			// Validate the overlapping of ZoneAddr
 			akey := zoneAddr{Transport: conf.Transport, Zone: conf.Zone, Address: h, Port: conf.Port}
-			existZone, overlapZone := checker.registerAndCheck(akey)
+			var existZone, overlapZone *zoneAddr
+			if len(conf.FilterFuncs) > 0 {
+				// This config has filters. Check for overlap with other (unfiltered) configs.
+				existZone, overlapZone = checker.check(akey)
+			} else {
+				// This config has no filters. Check for overlap with other (unfiltered) configs,
+				// and register the zone to prevent subsequent zones from overlapping with it.
+				existZone, overlapZone = checker.registerAndCheck(akey)
+			}
 			if existZone != nil {
 				return fmt.Errorf("cannot serve %s - it is already defined", akey.String())
 			}
 			if overlapZone != nil {
 				return fmt.Errorf("cannot serve %s - zone overlap listener capacity with %v", akey.String(), overlapZone.String())
 			}
-
 		}
 	}
 	return nil
-
 }
 
 // groupSiteConfigsByListenAddr groups site configs by their listen

vendor/github.com/coredns/coredns/core/dnsserver/server.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"net"
 	"runtime"
+	"runtime/debug"
 	"strings"
 	"sync"
 	"time"
@@ -36,22 +37,30 @@ type Server struct {
 	server [2]*dns.Server // 0 is a net.Listener, 1 is a net.PacketConn (a *UDPConn) in our case.
 	m      sync.Mutex     // protects the servers
 
-	zones        map[string]*Config // zones keyed by their address
-	dnsWg        sync.WaitGroup     // used to wait on outstanding connections
-	graceTimeout time.Duration      // the maximum duration of a graceful shutdown
-	trace        trace.Trace        // the trace plugin for the server
-	debug        bool               // disable recover()
-	classChaos   bool               // allow non-INET class queries
+	zones        map[string][]*Config // zones keyed by their address
+	dnsWg        sync.WaitGroup       // used to wait on outstanding connections
+	graceTimeout time.Duration        // the maximum duration of a graceful shutdown
+	trace        trace.Trace          // the trace plugin for the server
+	debug        bool                 // disable recover()
+	stacktrace   bool                 // enable stacktrace in recover error log
+	classChaos   bool                 // allow non-INET class queries
+
+	tsigSecret map[string]string
+}
+
+// MetadataCollector is a plugin that can retrieve metadata functions from all metadata providing plugins
+type MetadataCollector interface {
+	Collect(context.Context, request.Request) context.Context
 }
 
 // NewServer returns a new CoreDNS server and compiles all plugins in to it. By default CH class
 // queries are blocked unless queries from enableChaos are loaded.
 func NewServer(addr string, group []*Config) (*Server, error) {
-
 	s := &Server{
 		Addr:         addr,
-		zones:        make(map[string]*Config),
+		zones:        make(map[string][]*Config),
 		graceTimeout: 5 * time.Second,
+		tsigSecret:   make(map[string]string),
 	}
 
 	// We have to bound our wg with one increment
@@ -67,8 +76,15 @@ func NewServer(addr string, group []*Config) (*Server, error) {
 			s.debug = true
 			log.D.Set()
 		}
-		// set the config per zone
-		s.zones[site.Zone] = site
+		s.stacktrace = site.Stacktrace
+
+		// append the config to the zone's configs
+		s.zones[site.Zone] = append(s.zones[site.Zone], site)
+
+		// copy tsig secrets
+		for key, secret := range site.TsigSecret {
+			s.tsigSecret[key] = secret
+		}
 
 		// compile custom plugin for everything
 		var stack plugin.Handler
@@ -78,6 +94,12 @@ func NewServer(addr string, group []*Config) (*Server, error) {
 			// register the *handler* also
 			site.registerHandler(stack)
 
+			// If the current plugin is a MetadataCollector, bookmark it for later use. This loop traverses the plugin
+			// list backwards, so the first MetadataCollector plugin wins.
+			if mdc, ok := stack.(MetadataCollector); ok {
+				site.metaCollector = mdc
+			}
+
 			if s.trace == nil && stack.Name() == "trace" {
 				// we have to stash away the plugin, not the
 				// Tracer object, because the Tracer won't be initialized yet
@@ -112,7 +134,7 @@ func (s *Server) Serve(l net.Listener) error {
 		ctx := context.WithValue(context.Background(), Key{}, s)
 		ctx = context.WithValue(ctx, LoopKey{}, 0)
 		s.ServeDNS(ctx, w, r)
-	})}
+	}), TsigSecret: s.tsigSecret}
 	s.m.Unlock()
 
 	return s.server[tcp].ActivateAndServe()
@@ -126,7 +148,7 @@ func (s *Server) ServePacket(p net.PacketConn) error {
 		ctx := context.WithValue(context.Background(), Key{}, s)
 		ctx = context.WithValue(ctx, LoopKey{}, 0)
 		s.ServeDNS(ctx, w, r)
-	})}
+	}), TsigSecret: s.tsigSecret}
 	s.m.Unlock()
 
 	return s.server[udp].ActivateAndServe()
@@ -163,7 +185,6 @@ func (s *Server) ListenPacket() (net.PacketConn, error) {
 // immediately.
 // This implements Caddy.Stopper interface.
 func (s *Server) Stop() (err error) {
-
 	if runtime.GOOS != "windows" {
 		// force connections to close after timeout
 		done := make(chan struct{})
@@ -213,7 +234,11 @@ func (s *Server) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg)
 			// In case the user doesn't enable error plugin, we still
 			// need to make sure that we stay alive up here
 			if rec := recover(); rec != nil {
-				log.Errorf("Recovered from panic in server: %q %v", s.Addr, rec)
+				if s.stacktrace {
+					log.Errorf("Recovered from panic in server: %q %v\n%s", s.Addr, rec, string(debug.Stack()))
+				} else {
+					log.Errorf("Recovered from panic in server: %q %v", s.Addr, rec)
+				}
 				vars.Panic.Inc()
 				errorAndMetricsFunc(s.Addr, w, r, dns.RcodeServerFailure)
 			}
@@ -241,24 +266,39 @@ func (s *Server) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg)
 	)
 
 	for {
-		if h, ok := s.zones[q[off:]]; ok {
-			if h.pluginChain == nil { // zone defined, but has not got any plugins
-				errorAndMetricsFunc(s.Addr, w, r, dns.RcodeRefused)
-				return
-			}
-			if r.Question[0].Qtype != dns.TypeDS {
-				rcode, _ := h.pluginChain.ServeDNS(ctx, w, r)
-				if !plugin.ClientWrite(rcode) {
-					errorFunc(s.Addr, w, r, rcode)
+		if z, ok := s.zones[q[off:]]; ok {
+			for _, h := range z {
+				if h.pluginChain == nil { // zone defined, but has not got any plugins
+					errorAndMetricsFunc(s.Addr, w, r, dns.RcodeRefused)
+					return
+				}
+
+				if h.metaCollector != nil {
+					// Collect metadata now, so it can be used before we send a request down the plugin chain.
+					ctx = h.metaCollector.Collect(ctx, request.Request{Req: r, W: w})
+				}
+
+				// If all filter funcs pass, use this config.
+				if passAllFilterFuncs(ctx, h.FilterFuncs, &request.Request{Req: r, W: w}) {
+					if h.ViewName != "" {
+						// if there was a view defined for this Config, set the view name in the context
+						ctx = context.WithValue(ctx, ViewKey{}, h.ViewName)
+					}
+					if r.Question[0].Qtype != dns.TypeDS {
+						rcode, _ := h.pluginChain.ServeDNS(ctx, w, r)
+						if !plugin.ClientWrite(rcode) {
+							errorFunc(s.Addr, w, r, rcode)
+						}
+						return
+					}
+					// The type is DS, keep the handler, but keep on searching as maybe we are serving
+					// the parent as well and the DS should be routed to it - this will probably *misroute* DS
+					// queries to a possibly grand parent, but there is no way for us to know at this point
+					// if there is an actual delegation from grandparent -> parent -> zone.
+					// In all fairness: direct DS queries should not be needed.
+					dshandler = h
 				}
-				return
 			}
-			// The type is DS, keep the handler, but keep on searching as maybe we are serving
-			// the parent as well and the DS should be routed to it - this will probably *misroute* DS
-			// queries to a possibly grand parent, but there is no way for us to know at this point
-			// if there is an actual delegation from grandparent -> parent -> zone.
-			// In all fairness: direct DS queries should not be needed.
-			dshandler = h
 		}
 		off, end = dns.NextLabel(q, off)
 		if end {
@@ -276,18 +316,46 @@ func (s *Server) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg)
 	}
 
 	// Wildcard match, if we have found nothing try the root zone as a last resort.
-	if h, ok := s.zones["."]; ok && h.pluginChain != nil {
-		rcode, _ := h.pluginChain.ServeDNS(ctx, w, r)
-		if !plugin.ClientWrite(rcode) {
-			errorFunc(s.Addr, w, r, rcode)
+	if z, ok := s.zones["."]; ok {
+		for _, h := range z {
+			if h.pluginChain == nil {
+				continue
+			}
+
+			if h.metaCollector != nil {
+				// Collect metadata now, so it can be used before we send a request down the plugin chain.
+				ctx = h.metaCollector.Collect(ctx, request.Request{Req: r, W: w})
+			}
+
+			// If all filter funcs pass, use this config.
+			if passAllFilterFuncs(ctx, h.FilterFuncs, &request.Request{Req: r, W: w}) {
+				if h.ViewName != "" {
+					// if there was a view defined for this Config, set the view name in the context
+					ctx = context.WithValue(ctx, ViewKey{}, h.ViewName)
+				}
+				rcode, _ := h.pluginChain.ServeDNS(ctx, w, r)
+				if !plugin.ClientWrite(rcode) {
+					errorFunc(s.Addr, w, r, rcode)
+				}
+				return
+			}
 		}
-		return
 	}
 
 	// Still here? Error out with REFUSED.
 	errorAndMetricsFunc(s.Addr, w, r, dns.RcodeRefused)
 }
 
+// passAllFilterFuncs returns true if all filter funcs evaluate to true for the given request
+func passAllFilterFuncs(ctx context.Context, filterFuncs []FilterFunc, req *request.Request) bool {
+	for _, ff := range filterFuncs {
+		if !ff(ctx, req) {
+			return false
+		}
+	}
+	return true
+}
+
 // OnStartupComplete lists the sites served by this server
 // and any relevant information, assuming Quiet is false.
 func (s *Server) OnStartupComplete() {
@@ -328,7 +396,7 @@ func errorAndMetricsFunc(server string, w dns.ResponseWriter, r *dns.Msg, rc int
 	answer.SetRcode(r, rc)
 	state.SizeAndDo(answer)
 
-	vars.Report(server, state, vars.Dropped, rcode.ToString(rc), "" /* plugin */, answer.Len(), time.Now())
+	vars.Report(server, state, vars.Dropped, "", rcode.ToString(rc), "" /* plugin */, answer.Len(), time.Now())
 
 	w.WriteMsg(answer)
 }
@@ -344,6 +412,9 @@ type (
 
 	// LoopKey is the context key to detect server wide loops.
 	LoopKey struct{}
+
+	// ViewKey is the context key for the current view, if defined
+	ViewKey struct{}
 )
 
 // EnableChaos is a map with plugin names for which we should open CH class queries as we block these by default.

vendor/github.com/coredns/coredns/core/dnsserver/server_grpc.go

@@ -22,6 +22,7 @@ import (
 // ServergRPC represents an instance of a DNS-over-gRPC server.
 type ServergRPC struct {
 	*Server
+	*pb.UnimplementedDnsServiceServer
 	grpcServer *grpc.Server
 	listenAddr net.Addr
 	tlsConfig  *tls.Config
@@ -36,9 +37,11 @@ func NewServergRPC(addr string, group []*Config) (*ServergRPC, error) {
 	// The *tls* plugin must make sure that multiple conflicting
 	// TLS configuration returns an error: it can only be specified once.
 	var tlsConfig *tls.Config
-	for _, conf := range s.zones {
-		// Should we error if some configs *don't* have TLS?
-		tlsConfig = conf.TLSConfig
+	for _, z := range s.zones {
+		for _, conf := range z {
+			// Should we error if some configs *don't* have TLS?
+			tlsConfig = conf.TLSConfig
+		}
 	}
 	// http/2 is required when using gRPC. We need to specify it in next protos
 	// or the upgrade won't happen.
@@ -81,7 +84,6 @@ func (s *ServergRPC) ServePacket(p net.PacketConn) error { return nil }
 
 // Listen implements caddy.TCPServer interface.
 func (s *ServergRPC) Listen() (net.Listener, error) {
-
 	l, err := reuseport.Listen("tcp", s.Addr[len(transport.GRPC+"://"):])
 	if err != nil {
 		return nil, err

vendor/github.com/coredns/coredns/core/dnsserver/server_https.go

@@ -4,14 +4,17 @@ import (
 	"context"
 	"crypto/tls"
 	"fmt"
+	stdlog "log"
 	"net"
 	"net/http"
 	"strconv"
 	"time"
 
 	"github.com/coredns/caddy"
+	"github.com/coredns/coredns/plugin/metrics/vars"
 	"github.com/coredns/coredns/plugin/pkg/dnsutil"
 	"github.com/coredns/coredns/plugin/pkg/doh"
+	clog "github.com/coredns/coredns/plugin/pkg/log"
 	"github.com/coredns/coredns/plugin/pkg/response"
 	"github.com/coredns/coredns/plugin/pkg/reuseport"
 	"github.com/coredns/coredns/plugin/pkg/transport"
@@ -26,6 +29,18 @@ type ServerHTTPS struct {
 	validRequest func(*http.Request) bool
 }
 
+// loggerAdapter is a simple adapter around CoreDNS logger made to implement io.Writer in order to log errors from HTTP server
+type loggerAdapter struct {
+}
+
+func (l *loggerAdapter) Write(p []byte) (n int, err error) {
+	clog.Debug(string(p))
+	return len(p), nil
+}
+
+// HTTPRequestKey is the context key for the current processed HTTP request (if current processed request was done over DOH)
+type HTTPRequestKey struct{}
+
 // NewServerHTTPS returns a new CoreDNS HTTPS server and compiles all plugins in to it.
 func NewServerHTTPS(addr string, group []*Config) (*ServerHTTPS, error) {
 	s, err := NewServer(addr, group)
@@ -35,9 +50,11 @@ func NewServerHTTPS(addr string, group []*Config) (*ServerHTTPS, error) {
 	// The *tls* plugin must make sure that multiple conflicting
 	// TLS configuration returns an error: it can only be specified once.
 	var tlsConfig *tls.Config
-	for _, conf := range s.zones {
-		// Should we error if some configs *don't* have TLS?
-		tlsConfig = conf.TLSConfig
+	for _, z := range s.zones {
+		for _, conf := range z {
+			// Should we error if some configs *don't* have TLS?
+			tlsConfig = conf.TLSConfig
+		}
 	}
 
 	// http/2 is recommended when using DoH. We need to specify it in next protos
@@ -48,8 +65,10 @@ func NewServerHTTPS(addr string, group []*Config) (*ServerHTTPS, error) {
 
 	// Use a custom request validation func or use the standard DoH path check.
 	var validator func(*http.Request) bool
-	for _, conf := range s.zones {
-		validator = conf.HTTPRequestValidateFunc
+	for _, z := range s.zones {
+		for _, conf := range z {
+			validator = conf.HTTPRequestValidateFunc
+		}
 	}
 	if validator == nil {
 		validator = func(r *http.Request) bool { return r.URL.Path == doh.Path }
@@ -59,6 +78,7 @@ func NewServerHTTPS(addr string, group []*Config) (*ServerHTTPS, error) {
 		ReadTimeout:  5 * time.Second,
 		WriteTimeout: 10 * time.Second,
 		IdleTimeout:  120 * time.Second,
+		ErrorLog:     stdlog.New(&loggerAdapter{}, "", 0),
 	}
 	sh := &ServerHTTPS{
 		Server: s, tlsConfig: tlsConfig, httpsServer: srv, validRequest: validator,
@@ -88,7 +108,6 @@ func (s *ServerHTTPS) ServePacket(p net.PacketConn) error { return nil }
 
 // Listen implements caddy.TCPServer interface.
 func (s *ServerHTTPS) Listen() (net.Listener, error) {
-
 	l, err := reuseport.Listen("tcp", s.Addr[len(transport.HTTPS+"://"):])
 	if err != nil {
 		return nil, err
@@ -125,15 +144,16 @@ func (s *ServerHTTPS) Stop() error {
 // ServeHTTP is the handler that gets the HTTP request and converts to the dns format, calls the plugin
 // chain, converts it back and write it to the client.
 func (s *ServerHTTPS) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-
 	if !s.validRequest(r) {
 		http.Error(w, "", http.StatusNotFound)
+		s.countResponse(http.StatusNotFound)
 		return
 	}
 
 	msg, err := doh.RequestToMsg(r)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusBadRequest)
+		s.countResponse(http.StatusBadRequest)
 		return
 	}
 
@@ -150,6 +170,7 @@ func (s *ServerHTTPS) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	// We should expect a packet to be returned that we can send to the client.
 	ctx := context.WithValue(context.Background(), Key{}, s.Server)
 	ctx = context.WithValue(ctx, LoopKey{}, 0)
+	ctx = context.WithValue(ctx, HTTPRequestKey{}, r)
 	s.ServeDNS(ctx, dw, msg)
 
 	// See section 4.2.1 of RFC 8484.
@@ -157,6 +178,7 @@ func (s *ServerHTTPS) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	// handler has not provided any response message.
 	if dw.Msg == nil {
 		http.Error(w, "No response", http.StatusInternalServerError)
+		s.countResponse(http.StatusInternalServerError)
 		return
 	}
 
@@ -169,10 +191,15 @@ func (s *ServerHTTPS) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Cache-Control", fmt.Sprintf("max-age=%f", age.Seconds()))
 	w.Header().Set("Content-Length", strconv.Itoa(len(buf)))
 	w.WriteHeader(http.StatusOK)
+	s.countResponse(http.StatusOK)
 
 	w.Write(buf)
 }
 
+func (s *ServerHTTPS) countResponse(status int) {
+	vars.HTTPSResponsesCount.WithLabelValues(s.Addr, strconv.Itoa(status)).Inc()
+}
+
 // Shutdown stops the server (non gracefully).
 func (s *ServerHTTPS) Shutdown() error {
 	if s.httpsServer != nil {

vendor/github.com/coredns/coredns/core/dnsserver/server_tls.go

@@ -28,9 +28,11 @@ func NewServerTLS(addr string, group []*Config) (*ServerTLS, error) {
 	// The *tls* plugin must make sure that multiple conflicting
 	// TLS configuration returns an error: it can only be specified once.
 	var tlsConfig *tls.Config
-	for _, conf := range s.zones {
-		// Should we error if some configs *don't* have TLS?
-		tlsConfig = conf.TLSConfig
+	for _, z := range s.zones {
+		for _, conf := range z {
+			// Should we error if some configs *don't* have TLS?
+			tlsConfig = conf.TLSConfig
+		}
 	}
 
 	return &ServerTLS{Server: s, tlsConfig: tlsConfig}, nil