feat: add wiretrustee init cmd to initialize config

cmd/init.go

@@ -0,0 +1,109 @@
+package cmd
+
+import (
+	"github.com/pion/ice/v2"
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+	"os"
+	"strings"
+)
+
+var (
+	wgKey       string
+	wgInterface string
+	wgLocalAddr string
+	signalAddr  string
+	stunURLs    string
+	turnURLs    string
+
+	initCmd = &cobra.Command{
+		Use:   "init",
+		Short: "init wiretrustee",
+		Run: func(cmd *cobra.Command, args []string) {
+			InitLog(logLevel)
+
+			if wgKey == "" {
+				wgKey = generateKey()
+			}
+
+			var stunTurnURLs []*ice.URL
+			stuns := strings.Split(stunURLs, ",")
+			for _, url := range stuns {
+
+				parsedURL, err := ice.ParseURL(url)
+				if err != nil {
+					log.Errorf("failed parsing STUN URL %s: %s", url, err.Error())
+					os.Exit(ExitSetupFailed)
+				}
+				stunTurnURLs = append(stunTurnURLs, parsedURL)
+			}
+
+			turns := strings.Split(turnURLs, ",")
+			for _, url := range turns {
+
+				var urlToParse string
+				var user string
+				var pwd string
+				//extract user:password from user:password@proto:host:port
+				urlSplit := strings.Split(url, "@")
+				if len(urlSplit) == 2 {
+					urlToParse = urlSplit[1]
+					credential := strings.Split(urlSplit[0], ":")
+					user = credential[0]
+					pwd = credential[1]
+				} else {
+					urlToParse = url
+				}
+
+				parsedURL, err := ice.ParseURL(urlToParse)
+				if err != nil {
+					log.Errorf("failed parsing TURN URL %s: %s", url, err.Error())
+					os.Exit(ExitSetupFailed)
+				}
+				parsedURL.Username = user
+				parsedURL.Password = pwd
+				stunTurnURLs = append(stunTurnURLs, parsedURL)
+			}
+
+			config := &Config{
+				PrivateKey:   wgKey,
+				Peers:        nil,
+				StunTurnURLs: stunTurnURLs,
+				SignalAddr:   signalAddr,
+				WgAddr:       wgLocalAddr,
+				WgIface:      wgInterface,
+			}
+
+			err := config.Write(configPath)
+			if err != nil {
+				log.Errorf("failed writing config to %s: %s", config, err.Error())
+				os.Exit(ExitSetupFailed)
+			}
+		},
+	}
+)
+
+func init() {
+	initCmd.PersistentFlags().StringVar(&wgKey, "wgKey", "", "Wireguard private key, if not specified a new one will be generated")
+	initCmd.PersistentFlags().StringVar(&wgInterface, "wgInterface", "wiretrustee0", "Wireguard interface name, e.g. wiretreustee0 or wg0")
+	initCmd.PersistentFlags().StringVar(&wgLocalAddr, "wgLocalAddr", "", "Wireguard local address, e.g. 10.30.30.1/24")
+	initCmd.PersistentFlags().StringVar(&signalAddr, "signalAddr", "", "Signal server address, e.g. signal.wiretrustee.com:10000")
+	initCmd.PersistentFlags().StringVar(&stunURLs, "stunURLs", "", "Comma separated STUN server URLs: protocol:host:port, e.g. stun:stun.l.google.com:19302,stun:stun1.l.google.com:19302")
+	//todo user:password@protocol:host:port not the best way to pass TURN credentials, do it according to https://tools.ietf.org/html/rfc7065 E.g. use oauth
+	initCmd.PersistentFlags().StringVar(&turnURLs, "turnURLs", "", "Comma separated TURN server URLs: user:password@protocol:host:port, e.g. user:password@turn:stun.wiretrustee.com:3468")
+	//initCmd.MarkPersistentFlagRequired("configPath")
+	initCmd.MarkPersistentFlagRequired("wgLocalAddr")
+	initCmd.MarkPersistentFlagRequired("signalAddr")
+	initCmd.MarkPersistentFlagRequired("stunURLs")
+	initCmd.MarkPersistentFlagRequired("turnURLs")
+}
+
+// generateKey generates a new Wireguard private key
+func generateKey() string {
+	key, err := wgtypes.GenerateKey()
+	if err != nil {
+		panic(err)
+	}
+	return key.String()
+}

cmd/root.go

@@ -2,13 +2,21 @@ package cmd
 
 import (
 	"fmt"
+	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	"os"
 	"os/signal"
 	"syscall"
 )
 
+const (
+	ExitSetupFailed = 1
+)
+
 var (
+	configPath string
+	logLevel   string
+
 	rootCmd = &cobra.Command{
 		Use:   "wiretrustee",
 		Short: "",
@@ -22,6 +30,9 @@ func Execute() error {
 }
 
 func init() {
+	rootCmd.PersistentFlags().StringVar(&configPath, "config", "/etc/wiretrustee/config.json", "Wiretrustee config file location to write new config to")
+	rootCmd.PersistentFlags().StringVar(&logLevel, "log-level", "info", "")
+	rootCmd.AddCommand(initCmd)
 	rootCmd.AddCommand(upCmd)
 	rootCmd.AddCommand(signalCmd)
 }
@@ -33,3 +44,12 @@ func SetupCloseHandler() {
 	fmt.Println("\r- Ctrl+C pressed in Terminal")
 	os.Exit(0)
 }
+
+func InitLog(logLevel string) {
+	level, err := log.ParseLevel(logLevel)
+	if err != nil {
+		log.Errorf("efailed parsing log-level %s: %s", logLevel, err)
+		os.Exit(ExitSetupFailed)
+	}
+	log.SetLevel(level)
+}

cmd/up.go

@@ -9,24 +9,12 @@ import (
 	"os"
 )
 
-const (
-	ExitSetupFailed = 1
-)
-
 var (
-	configPath string
-	logLevel   string
-
 	upCmd = &cobra.Command{
 		Use:   "up",
 		Short: "start wiretrustee",
 		Run: func(cmd *cobra.Command, args []string) {
-			level, err := log.ParseLevel(logLevel)
+			InitLog(logLevel)
-			if err != nil {
-				log.Errorf("efailed parsing log-level %s: %s", logLevel, err)
-				os.Exit(ExitSetupFailed)
-			}
-			log.SetLevel(level)
 
 			config, _ := Read(configPath)
 
@@ -51,7 +39,6 @@ var (
 )
 
 func init() {
-	upCmd.PersistentFlags().StringVar(&configPath, "config", "", "")
+	//upCmd.PersistentFlags().StringVar(&configPath, "config", "", "")
-	upCmd.PersistentFlags().StringVar(&logLevel, "log-level", "info", "")
 	upCmd.MarkPersistentFlagRequired("config")
 }

go.mod

@@ -4,9 +4,9 @@ go 1.16
 
 require (
 	github.com/cenkalti/backoff/v4 v4.1.0
-	github.com/golang/protobuf v1.4.2
+	github.com/golang/protobuf v1.4.3
 	github.com/google/nftables v0.0.0-20201230142148-715e31cb3c31
-	github.com/pion/ice/v2 v2.0.17
+	github.com/pion/ice/v2 v2.1.7
 	github.com/sirupsen/logrus v1.7.0
 	github.com/spf13/cobra v1.1.3
 	github.com/vishvananda/netlink v1.1.0

go.sum

@@ -45,12 +45,14 @@ github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1m
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
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 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
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 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
+github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
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@@ -67,8 +69,9 @@ github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:x
 github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
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 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
-github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
+github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
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@@ -111,6 +114,7 @@ github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO
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+github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
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@@ -155,19 +159,42 @@ github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
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@@ -178,8 +205,12 @@ github.com/pion/turn/v2 v2.0.5 h1:iwMHqDfPEDEOFzwWKT56eFmh6DYC6o/+xnLAEzgISbA=
 github.com/pion/turn/v2 v2.0.5/go.mod h1:APg43CFyt/14Uy7heYUOGWdkem/Wu4PhCO/bjyrTqMw=
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 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
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@@ -197,6 +228,7 @@ github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6So
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 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
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+github.com/sclevine/agouti v3.0.0+incompatible/go.mod h1:b4WX9W9L1sfQKXeJf1mUTLZKJ48R1S7H23Ji7oFO5Bw=
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
@@ -219,6 +251,7 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
@@ -230,6 +263,7 @@ github.com/vishvananda/netns v0.0.0-20180720170159-13995c7128cc/go.mod h1:ZjcWmF
 github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df h1:OviZH7qLw/7ZovXvuNyL3XQl8UFofeikI1NW1Gypu7k=
 github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df/go.mod h1:JP3t17pCcGlemwknint6hfoeCVQrEMVwxRLRjXpq+BU=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
+github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
@@ -242,6 +276,7 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191002192127-34f69633bfdc/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200204104054-c9f3fb736b72/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20201117144127-c1f2f97bffc9/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
@@ -265,8 +300,10 @@ golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU
 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
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+golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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@@ -284,13 +321,17 @@ golang.org/x/net v0.0.0-20191003171128-d98b1b443823/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20191007182048-72f939374954/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191028085509-fe3aa8a45271/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
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 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
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@@ -299,9 +340,11 @@ golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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@@ -315,24 +358,30 @@ golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190606203320-7fc4e5ec1444/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -353,7 +402,10 @@ golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtn
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@@ -398,12 +450,17 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
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