Merge remote-tracking branch 'origin/master' into stable

.github/workflows/govulncheck.yml

@@ -31,8 +31,11 @@ jobs:
       with:
         submodules: recursive
 
-    - uses: jdx/mise-action@v3
+    - name: Setup Go
-      name: Install mise
+      uses: actions/setup-go@v6
+      with:
+        go-version-file: go.mod
 
-    - name: Run tests
+    - name: Check for vulnerabilities
-      run: mise tasks run vuln
+      run: |
+        go run golang.org/x/vuln/cmd/govulncheck@latest ./...

example.config.toml

@@ -48,6 +48,11 @@ concurrency = 8192
 #     Only ipv4 connectivity is used
 prefer-ip = "prefer-ipv6"
 
+# If this setting is set, then mtg will try to get proxy updates from Telegram
+# Usually this is completely fine to have it disabled, because mtg has a list
+# of some core proxies hardcoded.
+auto-update = false
+
 # FakeTLS uses domain fronting protection. So it needs to know a port to
 # access.
 #

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/panjf2000/ants/v2 v2.11.5
 	github.com/prometheus/client_golang v1.23.2
 	github.com/prometheus/common v0.67.5 // indirect
-	github.com/prometheus/procfs v0.19.2 // indirect
+	github.com/prometheus/procfs v0.20.0 // indirect
 	github.com/rs/zerolog v1.34.0
 	github.com/smira/go-statsd v1.3.4
 	github.com/stretchr/objx v0.5.2 // indirect

go.sum

@@ -68,8 +68,8 @@ github.com/prometheus/client_model v0.6.2 h1:oBsgwpGs7iVziMvrGhE53c/GrLUsZdHnqNw
 github.com/prometheus/client_model v0.6.2/go.mod h1:y3m2F6Gdpfy6Ut/GBsUqTWZqCUvMVzSfMLjcu6wAwpE=
 github.com/prometheus/common v0.67.5 h1:pIgK94WWlQt1WLwAC5j2ynLaBRDiinoAb86HZHTUGI4=
 github.com/prometheus/common v0.67.5/go.mod h1:SjE/0MzDEEAyrdr5Gqc6G+sXI67maCxzaT3A2+HqjUw=
-github.com/prometheus/procfs v0.19.2 h1:zUMhqEW66Ex7OXIiDkll3tl9a1ZdilUOd/F6ZXw4Vws=
+github.com/prometheus/procfs v0.20.0 h1:AA7aCvjxwAquZAlonN7888f2u4IN8WVeFgBi4k82M4Q=
-github.com/prometheus/procfs v0.19.2/go.mod h1:M0aotyiemPhBCM0z5w87kL22CxfcH05ZpYlu+b4J7mw=
+github.com/prometheus/procfs v0.20.0/go.mod h1:o9EMBZGRyvDrSPH1RqdxhojkuXstoe4UlK79eF5TGGo=
 github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0tI/otEQ=
 github.com/rogpeppe/go-internal v1.14.1/go.mod h1:MaRKkUm5W0goXpeCfT7UZI6fk/L7L7so1lCWt35ZSgc=
 github.com/rs/xid v1.6.0/go.mod h1:7XoLgs4eV+QndskICGsho+ADou8ySMSjJKDIan90Nz0=

internal/cli/run_proxy.go

@@ -255,6 +255,7 @@ func runProxy(conf *config.Config, version string) error { //nolint: funlen
 		DomainFrontingIP:            conf.GetDomainFrontingIP(nil),
 		DomainFrontingProxyProtocol: conf.GetDomainFrontingProxyProtocol(false),
 		PreferIP:                    conf.PreferIP.Get(mtglib.DefaultPreferIP),
+		AutoUpdate:                  conf.AutoUpdate.Get(false),
 
 		AllowFallbackOnUnknownDC: conf.AllowFallbackOnUnknownDC.Get(false),
 		TolerateTimeSkewness:     conf.TolerateTimeSkewness.Value,

internal/config/config.go

@@ -28,6 +28,7 @@ type Config struct {
 	BindTo                      TypeHostPort    `json:"bindTo"`
 	ProxyProtocolListener       TypeBool        `json:"proxyProtocolListener"`
 	PreferIP                    TypePreferIP    `json:"preferIp"`
+	AutoUpdate                  TypeBool        `json:"autoUpdate"`
 	DomainFrontingPort          TypePort        `json:"domainFrontingPort"`
 	DomainFrontingIP            TypeIP          `json:"domainFrontingIp"`
 	DomainFrontingProxyProtocol TypeBool        `json:"domainFrontingProxyProtocol"`

internal/config/parse.go

@@ -15,6 +15,7 @@ type tomlConfig struct {
 	BindTo                      string `toml:"bind-to" json:"bindTo"`
 	ProxyProtocolListener       bool   `toml:"proxy-protocol-listener" json:"proxyProtocolListener"`
 	PreferIP                    string `toml:"prefer-ip" json:"preferIp,omitempty"`
+	AutoUpdate                  bool   `toml:"auto-update" json:"autoUpdate,omitempty"`
 	DomainFrontingPort          uint   `toml:"domain-fronting-port" json:"domainFrontingPort,omitempty"`
 	DomainFrontingIP            string `toml:"domain-fronting-ip" json:"domainFrontingIp,omitempty"`
 	DomainFrontingProxyProtocol bool   `toml:"domain-fronting-proxy-protocol" json:"domainFrontingProxyProtocol,omitempty"`

mise.lock

@@ -33,10 +33,10 @@ backend = "aqua:golangci/golangci-lint"
 "platforms.windows-x64" = { checksum = "sha256:c60c87695e79db8e320f0e5be885059859de52bb5ee5f11be5577828570bc2a3", url = "https://github.com/golangci/golangci-lint/releases/download/v2.10.1/golangci-lint-2.10.1-windows-amd64.zip"}
 
 [[tools.goreleaser]]
-version = "2.13.3"
+version = "2.14.1"
 backend = "aqua:goreleaser/goreleaser"
-"platforms.linux-arm64" = { checksum = "sha256:156656d0f874542d618568bd50afd3d33ced2e8aab2c60cc7c21e1b9fa52031e", url = "https://github.com/goreleaser/goreleaser/releases/download/v2.13.3/goreleaser_Linux_arm64.tar.gz"}
+"platforms.linux-arm64" = { checksum = "sha256:a84d3b27f052c12ad5c8342d7caf1450a7174a305730aed21d72db09301e49a5", url = "https://github.com/goreleaser/goreleaser/releases/download/v2.14.1/goreleaser_Linux_arm64.tar.gz"}
-"platforms.linux-x64" = { checksum = "sha256:4b66f2f78f78561330350651ade557b70328664718490f37834749073af21d20", url = "https://github.com/goreleaser/goreleaser/releases/download/v2.13.3/goreleaser_Linux_x86_64.tar.gz"}
+"platforms.linux-x64" = { checksum = "sha256:2df975a7acbfdeaf888d596cab0024d48ec7fb7d747e1d08b90948b791f40a5f", url = "https://github.com/goreleaser/goreleaser/releases/download/v2.14.1/goreleaser_Linux_x86_64.tar.gz"}
-"platforms.macos-arm64" = { checksum = "sha256:5516c37779efb3935d5b213cda3b0b9025ae94ddbcb51df6919acbcdef4194b0", url = "https://github.com/goreleaser/goreleaser/releases/download/v2.13.3/goreleaser_Darwin_all.tar.gz"}
+"platforms.macos-arm64" = { checksum = "sha256:9f2e47f847b4f4177376fc6aa6914fbc7f673f59720076747e738b578c2e896e", url = "https://github.com/goreleaser/goreleaser/releases/download/v2.14.1/goreleaser_Darwin_all.tar.gz"}
-"platforms.macos-x64" = { checksum = "sha256:5516c37779efb3935d5b213cda3b0b9025ae94ddbcb51df6919acbcdef4194b0", url = "https://github.com/goreleaser/goreleaser/releases/download/v2.13.3/goreleaser_Darwin_all.tar.gz"}
+"platforms.macos-x64" = { checksum = "sha256:9f2e47f847b4f4177376fc6aa6914fbc7f673f59720076747e738b578c2e896e", url = "https://github.com/goreleaser/goreleaser/releases/download/v2.14.1/goreleaser_Darwin_all.tar.gz"}
-"platforms.windows-x64" = { checksum = "sha256:c5586c4ed749ca358ad61ed73ee4b8039cfa68daae8c23e69fb086d549dfb31d", url = "https://github.com/goreleaser/goreleaser/releases/download/v2.13.3/goreleaser_Windows_x86_64.zip"}
+"platforms.windows-x64" = { checksum = "sha256:d7a3d8ba795e97ab8c4f8003630d300da164adf21fde5a4049440c20f15c3137", url = "https://github.com/goreleaser/goreleaser/releases/download/v2.14.1/goreleaser_Windows_x86_64.zip"}

mtglib/internal/dc/init.go

@@ -57,6 +57,9 @@ var defaultDCAddrSet = dcAddrSet{
 		5: {
 			{Network: "tcp4", Address: "149.154.171.5:443"},
 		},
+		203: {
+			{Network: "tcp4", Address: "91.105.192.100:443"},
+		},
 	},
 	v6: map[int][]Addr{
 		1: {
@@ -74,5 +77,8 @@ var defaultDCAddrSet = dcAddrSet{
 		5: {
 			{Network: "tcp6", Address: "[2001:b28:f23f:f005::a]:443"},
 		},
+		203: {
+			{Network: "tcp6", Address: "[2a0a:f280:0203:000a:5000:0000:0000:0100]:443"},
+		},
 	},
 }

mtglib/internal/dc/updater.go

@@ -32,7 +32,7 @@ func (u *updater) run(ctx context.Context, callback func() error) {
 		for {
 			u.logger.Info("start update")
 			if err := callback(); err != nil {
-				u.logger.WarningError("cannot update: %w", err)
+				u.logger.WarningError("cannot update", err)
 			}
 			u.logger.Info("updated")
 

mtglib/internal/dc/view_test.go

@@ -41,6 +41,7 @@ func (suite *ViewTestSuite) TestGetV4() {
 		},
 		203: {
 			{Network: "tcp4", Address: "127.0.0.2:443"},
+			{Network: "tcp4", Address: "91.105.192.100:443"},
 		},
 		2: {
 			{Network: "tcp4", Address: "149.154.167.51:443"},
@@ -60,6 +61,7 @@ func (suite *ViewTestSuite) TestGetV6() {
 		111: {},
 		203: {
 			{Network: "tcp6", Address: "xxx"},
+			{Network: "tcp6", Address: "[2a0a:f280:0203:000a:5000:0000:0000:0100]:443"},
 		},
 		1: {
 			{Network: "tcp6", Address: "[2001:b28:f23d:f001::a]:443"},

mtglib/proxy.go

@@ -252,6 +252,9 @@ func (p *Proxy) doTelegramCall(ctx *streamContext) error {
 	if err != nil {
 		return fmt.Errorf("no addresses to call: %w", err)
 	}
+	if conn == nil {
+		return fmt.Errorf("no available addresses for DC %d", ctx.dc)
+	}
 
 	tgConn, err := foundAddr.Obfuscator.SendHandshake(conn, ctx.dc)
 	if err != nil {
@@ -346,8 +349,10 @@ func NewProxy(opts ProxyOpts) (*Proxy, error) {
 		domainFrontingProxyProtocol: opts.DomainFrontingProxyProtocol,
 	}
 
+	if opts.AutoUpdate {
 		proxy.configUpdater.Run(ctx, dc.PublicConfigUpdateURLv4, "tcp4")
 		proxy.configUpdater.Run(ctx, dc.PublicConfigUpdateURLv6, "tcp6")
+	}
 
 	pool, err := ants.NewPoolWithFunc(opts.getConcurrency(),
 		func(arg any) {

mtglib/proxy_opts.go

@@ -85,6 +85,12 @@ type ProxyOpts struct {
 	// This is an optional setting.
 	PreferIP string
 
+	// AutoUpdate defines if it is required to auto update proxy list from
+	// Telegram instead of relying on a hardcoded list.
+	//
+	// This is an optional setting.
+	AutoUpdate bool
+
 	// DomainFrontingPort is a port we use to connect to a fronting domain.
 	//
 	// This is required because secret does not specify a port. It specifies a