retract all versions

Retry init

.github/workflows/build.yml

@@ -22,12 +22,17 @@ jobs:
         uses: actions/setup-go@v4
         with:
           go-version: 'stable'
+      -
+        name: Read tag
+        id: tag
+        run: echo "tag=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
       -
         name: Build
         run: >-
           make -j $(nproc) allplus
           NDK_CC_ARM64="$ANDROID_NDK/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android21-clang"
           NDK_CC_ARM="$ANDROID_NDK/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi21-clang"
+          VERSION=${{steps.tag.outputs.tag}}
       -
         name: Release
         uses: softprops/action-gh-release@v1

Dockerfile

@@ -1,10 +1,11 @@
-FROM golang AS build
+FROM --platform=$BUILDPLATFORM golang AS build
 
 ARG GIT_DESC=undefined
 
 WORKDIR /go/src/github.com/Snawoot/windscribe-proxy
 COPY . .
-RUN CGO_ENABLED=0 go build -a -tags netgo -ldflags '-s -w -extldflags "-static" -X main.version='"$GIT_DESC"
+ARG TARGETOS TARGETARCH
+RUN GOOS=$TARGETOS GOARCH=$TARGETARCH CGO_ENABLED=0 go build -a -tags netgo -ldflags '-s -w -extldflags "-static" -X main.version='"$GIT_DESC"
 ADD https://curl.haxx.se/ca/cacert.pem /certs.crt
 RUN chmod 0644 /certs.crt
 RUN mkdir /state

Makefile

@@ -1,7 +1,7 @@
 PROGNAME = windscribe-proxy
 OUTSUFFIX = bin/$(PROGNAME)
 VERSION := $(shell git describe)
-BUILDOPTS = -a -tags netgo -trimpath
+BUILDOPTS = -a -tags netgo -trimpath -asmflags -trimpath
 LDFLAGS = -ldflags '-s -w -extldflags "-static" -X main.version=$(VERSION)'
 LDFLAGS_NATIVE = -ldflags '-s -w -X main.version=$(VERSION)'
 

README.md

@@ -70,6 +70,8 @@ windscribe-proxy -list-proxies
 | cafile | String | use custom CA certificate bundle file |
 | fake-sni | String | fake SNI to use to contact windscribe servers (default "com") |
 | force-cold-init | - | force cold init |
+| init-retries | Number | number of attempts for initialization steps, zero for unlimited retry |
+| init-retry-interval | Duration | delay between initialization retries (default 5s) |
 | list-locations | - | list available locations and exit |
 | list-proxies | - | output proxy list and exit |
 | location | String | desired proxy location. Default: best location |

go.mod

@@ -1,32 +1,33 @@
 module github.com/Snawoot/windscribe-proxy
 
-go 1.21.1
+go 1.23.2
 
 require (
-	github.com/AdguardTeam/dnsproxy v0.56.0
+	github.com/AdguardTeam/dnsproxy v0.73.2
 	github.com/jellydator/ttlcache/v2 v2.11.1
-	github.com/miekg/dns v1.1.56
+	github.com/miekg/dns v1.1.62
-	golang.org/x/net v0.16.0
+	golang.org/x/net v0.30.0
 )
 
 require (
-	github.com/AdguardTeam/golibs v0.17.1 // indirect
+	github.com/AdguardTeam/golibs v0.30.2 // indirect
 	github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da // indirect
 	github.com/aead/poly1305 v0.0.0-20180717145839-3fee0db0b635 // indirect
-	github.com/ameshkov/dnscrypt/v2 v2.2.7 // indirect
+	github.com/ameshkov/dnscrypt/v2 v2.3.0 // indirect
 	github.com/ameshkov/dnsstamps v1.0.3 // indirect
-	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
+	github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
-	github.com/google/pprof v0.0.0-20230926050212-f7f687d19a98 // indirect
+	github.com/google/pprof v0.0.0-20241101162523-b92577c0c142 // indirect
-	github.com/onsi/ginkgo/v2 v2.12.1 // indirect
+	github.com/onsi/ginkgo/v2 v2.21.0 // indirect
-	github.com/quic-go/qpack v0.4.0 // indirect
+	github.com/quic-go/qpack v0.5.1 // indirect
-	github.com/quic-go/qtls-go1-20 v0.3.4 // indirect
+	github.com/quic-go/quic-go v0.48.1 // indirect
-	github.com/quic-go/quic-go v0.39.0 // indirect
+	go.uber.org/mock v0.5.0 // indirect
-	go.uber.org/mock v0.3.0 // indirect
+	golang.org/x/crypto v0.28.0 // indirect
-	golang.org/x/crypto v0.14.0 // indirect
+	golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c // indirect
-	golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
+	golang.org/x/mod v0.21.0 // indirect
-	golang.org/x/mod v0.13.0 // indirect
+	golang.org/x/sync v0.8.0 // indirect
-	golang.org/x/sync v0.4.0 // indirect
+	golang.org/x/sys v0.26.0 // indirect
-	golang.org/x/sys v0.13.0 // indirect
+	golang.org/x/text v0.19.0 // indirect
-	golang.org/x/text v0.13.0 // indirect
+	golang.org/x/tools v0.26.0 // indirect
-	golang.org/x/tools v0.14.0 // indirect
 )
+
+retract [v0.0.0-0, v1.5.1]

go.sum

@@ -1,105 +1,102 @@
-github.com/AdguardTeam/dnsproxy v0.56.0 h1:kAg88woRTWTgqVEB2i2Uhze8Lv0JF1zTIAGhe0prjKM=
+github.com/AdguardTeam/dnsproxy v0.73.2 h1:O6wRXzHsnWL5TkhYcuLWCShVFF0X5RFI6qUmq1ZFVsQ=
-github.com/AdguardTeam/dnsproxy v0.56.0/go.mod h1:fqmehcE3cHFNqKbWQpIjGk7GqBy7ur1v5At499lFjRc=
+github.com/AdguardTeam/dnsproxy v0.73.2/go.mod h1:zD5WfTctbRvYYk8PS39h6/OT84NTu6QxKbAiBN5PUcI=
-github.com/AdguardTeam/golibs v0.17.1 h1:j3Ehhld5GI/amcHYG+CF0sJ4OOzAQ06BY3N/iBYJZ1M=
+github.com/AdguardTeam/golibs v0.30.2 h1:urU/NAyIvQOeArBqDmKCDpaRkfTCJ26uSiSuDMKQfuY=
-github.com/AdguardTeam/golibs v0.17.1/go.mod h1:DKhCIXHcUYtBhU8ibTLKh1paUL96n5zhQBlx763sj+U=
+github.com/AdguardTeam/golibs v0.30.2/go.mod h1:FkwcNQEJoGsgDGXcalrVa/4gWbE68KsmE2guXWtBQUE=
 github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da h1:KjTM2ks9d14ZYCvmHS9iAKVt9AyzRSqNU1qabPih5BY=
 github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da/go.mod h1:eHEWzANqSiWQsof+nXEI9bUVUyV6F53Fp89EuCh2EAA=
 github.com/aead/poly1305 v0.0.0-20180717145839-3fee0db0b635 h1:52m0LGchQBBVqJRyYYufQuIbVqRawmubW3OFGqK1ekw=
 github.com/aead/poly1305 v0.0.0-20180717145839-3fee0db0b635/go.mod h1:lmLxL+FV291OopO93Bwf9fQLQeLyt33VJRUg5VJ30us=
-github.com/ameshkov/dnscrypt/v2 v2.2.7 h1:aEitLIR8HcxVodZ79mgRcCiC0A0I5kZPBuWGFwwulAw=
+github.com/ameshkov/dnscrypt/v2 v2.3.0 h1:pDXDF7eFa6Lw+04C0hoMh8kCAQM8NwUdFEllSP2zNLs=
-github.com/ameshkov/dnscrypt/v2 v2.2.7/go.mod h1:qPWhwz6FdSmuK7W4sMyvogrez4MWdtzosdqlr0Rg3ow=
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 github.com/ameshkov/dnsstamps v1.0.3/go.mod h1:Ii3eUu73dx4Vw5O4wjzmT5+lkCwovjzaEZZ4gKyIH5A=
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-golang.org/x/net v0.16.0 h1:7eBu7KsSvFDtSXUIDbh3aqlK4DPsZ1rByC8PFfBThos=
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-golang.org/x/net v0.16.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
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-golang.org/x/sync v0.4.0 h1:zxkM55ReGkDlKSM+Fu41A+zmbZuaPVbGMzvvdUPznYQ=
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-golang.org/x/sync v0.4.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
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-golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
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-golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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-google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
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main.go

@@ -46,23 +46,25 @@ func arg_fail(msg string) {
 }
 
 type CLIArgs struct {
-	location         string
+	location          string
-	listLocations    bool
+	listLocations     bool
-	listProxies      bool
+	listProxies       bool
-	bindAddress      string
+	bindAddress       string
-	verbosity        int
+	verbosity         int
-	timeout          time.Duration
+	timeout           time.Duration
-	showVersion      bool
+	showVersion       bool
-	proxy            string
+	proxy             string
-	resolver         string
+	resolver          string
-	caFile           string
+	caFile            string
-	clientAuthSecret string
+	clientAuthSecret  string
-	stateFile        string
+	stateFile         string
-	username         string
+	username          string
-	password         string
+	password          string
-	tfacode          string
+	tfacode           string
-	fakeSNI          string
+	fakeSNI           string
-	forceColdInit    bool
+	forceColdInit     bool
+	initRetries       int
+	initRetryInterval time.Duration
 }
 
 func parse_args() CLIArgs {
@@ -92,6 +94,8 @@ func parse_args() CLIArgs {
 	flag.StringVar(&args.tfacode, "2fa", "", "2FA code for login")
 	flag.StringVar(&args.fakeSNI, "fake-sni", "com", "fake SNI to use to contact windscribe servers")
 	flag.BoolVar(&args.forceColdInit, "force-cold-init", false, "force cold init")
+	flag.IntVar(&args.initRetries, "init-retries", 0, "number of attempts for initialization steps, zero for unlimited retry")
+	flag.DurationVar(&args.initRetryInterval, "init-retry-interval", 5*time.Second, "delay between initialization retries")
 	flag.Parse()
 	if args.listLocations && args.listProxies {
 		arg_fail("list-locations and list-proxies flags are mutually exclusive")
@@ -189,9 +193,9 @@ func run() int {
 		mainLogger.Critical("Unable to construct WndClient: %v", err)
 		return 8
 	}
-	wndc.Mux.Lock()
 	wndc.State.Settings.ClientAuthSecret = args.clientAuthSecret
-	wndc.Mux.Unlock()
+
+	try := retryPolicy(args.initRetries, args.initRetryInterval, mainLogger)
 
 	// Try to resurrect state
 	state, err := maybeLoadState(args.forceColdInit, args.stateFile)
@@ -202,7 +206,7 @@ func run() int {
 		default:
 			mainLogger.Warning("Failed to load client state: %v. It is OK for a first run. Performing cold init...", err)
 		}
-		err = coldInit(wndc, args.username, args.password, args.tfacode, args.timeout)
+		err = coldInit(wndc, try, args.username, args.password, args.tfacode, args.timeout)
 		if err != nil {
 			mainLogger.Critical("Cold init failed: %v", err)
 			return 9
@@ -212,18 +216,19 @@ func run() int {
 			mainLogger.Error("Unable to save state file! Error: %v", err)
 		}
 	} else {
-		wndc.Mux.Lock()
 		wndc.State = *state
-		wndc.Mux.Unlock()
 	}
 
 	var serverList wndclient.ServerList
 	if args.listProxies || args.listLocations || args.location != "" {
-		ctx, cl := context.WithTimeout(context.Background(), args.timeout)
+		err := try("retrieve server list", func() error {
-		serverList, err = wndc.ServerList(ctx)
+			ctx, cl := context.WithTimeout(context.Background(), args.timeout)
-		cl()
+			defer cl()
+			l, err := wndc.ServerList(ctx)
+			serverList = l
+			return err
+		})
 		if err != nil {
-			mainLogger.Critical("Server list retrieve failed: %v", err)
 			return 12
 		}
 	}
@@ -239,14 +244,18 @@ func run() int {
 
 	var proxyHostname string
 	if args.location == "" {
-		ctx, cl := context.WithTimeout(context.Background(), args.timeout)
+		err := try("find best location", func() error {
-		bestLocation, err := wndc.BestLocation(ctx)
+			ctx, cl := context.WithTimeout(context.Background(), args.timeout)
-		cl()
+			defer cl()
+			bestLocation, err := wndc.BestLocation(ctx)
+			if err == nil {
+				proxyHostname = bestLocation.Hostname
+			}
+			return err
+		})
 		if err != nil {
-			mainLogger.Critical("Unable to get best location endpoint: %v", err)
 			return 13
 		}
-		proxyHostname = bestLocation.Hostname
 	} else {
 		proxyHostname = pickServer(serverList, args.location)
 		if proxyHostname == "" {
@@ -353,6 +362,7 @@ func pickServer(serverList wndclient.ServerList, location string) string {
 }
 
 var errColdInitForced = errors.New("cold init forced!")
+
 func maybeLoadState(forceColdInit bool, filename string) (*wndclient.WndClientState, error) {
 	if forceColdInit {
 		return nil, errColdInitForced
@@ -390,20 +400,24 @@ func saveState(filename string, state *wndclient.WndClientState) error {
 	return err
 }
 
-func coldInit(wndc *wndclient.WndClient, username, password, tfacode string, timeout time.Duration) error {
+func coldInit(wndc *wndclient.WndClient, try func(string, func() error) error, username, password, tfacode string, timeout time.Duration) error {
 	if username == "" || password == "" {
 		return errors.New(`Please provide "-username" and "-password" command line arguments!`)
 	}
-	ctx, cl := context.WithTimeout(context.Background(), timeout)
+	err := try("init session", func() error {
-	err := wndc.Session(ctx, username, password, tfacode)
+		ctx, cl := context.WithTimeout(context.Background(), timeout)
-	cl()
+		defer cl()
+		return wndc.Session(ctx, username, password, tfacode)
+	})
 	if err != nil {
 		return fmt.Errorf("Session call failed: %w", err)
 	}
 
-	ctx, cl = context.WithTimeout(context.Background(), timeout)
+	err = try("get server credentials", func() error {
-	err = wndc.ServerCredentials(ctx)
+		ctx, cl := context.WithTimeout(context.Background(), timeout)
-	cl()
+		defer cl()
+		return wndc.ServerCredentials(ctx)
+	})
 	if err != nil {
 		return fmt.Errorf("ServerCredentials call failed: %w", err)
 	}
@@ -414,3 +428,24 @@ func coldInit(wndc *wndclient.WndClient, username, password, tfacode string, tim
 func main() {
 	os.Exit(run())
 }
+
+func retryPolicy(retries int, retryInterval time.Duration, logger *CondLogger) func(string, func() error) error {
+	return func(name string, f func() error) error {
+		var err error
+		for i := 1; retries <= 0 || i <= retries; i++ {
+			if i > 1 {
+				logger.Warning("Retrying action %q in %v...", name, retryInterval)
+				time.Sleep(retryInterval)
+			}
+			logger.Info("Attempting action %q, attempt #%d...", name, i)
+			err = f()
+			if err == nil {
+				logger.Info("Action %q succeeded on attempt #%d", name, i)
+				return nil
+			}
+			logger.Warning("Action %q failed: %v", name, err)
+		}
+		logger.Critical("All attempts for action %q have failed. Last error: %v", name, err)
+		return err
+	}
+}