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@@ -0,0 +1,139 @@
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+package main
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+
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+import (
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+ "crypto/rand"
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+ "encoding/base64"
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+ "encoding/hex"
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+ "os"
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+ "strconv"
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+
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+ "github.com/sagernet/sing-box/log"
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+
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+ "github.com/gofrs/uuid"
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+ "github.com/spf13/cobra"
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+ "golang.zx2c4.com/wireguard/wgctrl/wgtypes"
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+)
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+
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+var commandGenerate = &cobra.Command{
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+ Use: "generate",
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+ Short: "Generate things",
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+}
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+
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+func init() {
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+ commandGenerate.AddCommand(commandGenerateUUID)
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+ commandGenerate.AddCommand(commandGenerateRandom)
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+ commandGenerate.AddCommand(commandGenerateWireGuardKeyPair)
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+ commandGenerate.AddCommand(commandGenerateRealityKeyPair)
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+ mainCommand.AddCommand(commandGenerate)
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+}
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+
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+var (
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+ outputBase64 bool
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+ outputHex bool
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+)
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+
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+var commandGenerateRandom = &cobra.Command{
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+ Use: "rand <length>",
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+ Short: "Generate random bytes",
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+ Args: cobra.ExactArgs(1),
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+ Run: func(cmd *cobra.Command, args []string) {
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+ err := generateRandom(args)
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+ if err != nil {
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+ log.Fatal(err)
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+ }
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+ },
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+}
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+
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+func init() {
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+ commandGenerateRandom.Flags().BoolVar(&outputBase64, "base64", false, "Generate base64 string")
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+ commandGenerateRandom.Flags().BoolVar(&outputHex, "hex", false, "Generate hex string")
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+}
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+
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+func generateRandom(args []string) error {
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+ length, err := strconv.Atoi(args[0])
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+ if err != nil {
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+ return err
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+ }
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+
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+ randomBytes := make([]byte, length)
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+ _, err = rand.Read(randomBytes)
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+ if err != nil {
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+ return err
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+ }
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+
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+ if outputBase64 {
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+ _, err = os.Stdout.WriteString(base64.StdEncoding.EncodeToString(randomBytes) + "\n")
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+ } else if outputHex {
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+ _, err = os.Stdout.WriteString(hex.EncodeToString(randomBytes) + "\n")
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+ } else {
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+ _, err = os.Stdout.Write(randomBytes)
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+ }
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+
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+ return err
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+}
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+
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+var commandGenerateUUID = &cobra.Command{
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+ Use: "uuid",
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+ Short: "Generate UUID string",
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+ Args: cobra.NoArgs,
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+ Run: func(cmd *cobra.Command, args []string) {
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+ err := generateUUID()
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+ if err != nil {
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+ log.Fatal(err)
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+ }
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+ },
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+}
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+
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+func generateUUID() error {
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+ newUUID, err := uuid.NewV4()
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+ if err != nil {
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+ return err
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+ }
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+ _, err = os.Stdout.WriteString(newUUID.String() + "\n")
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+ return err
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+}
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+
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+var commandGenerateWireGuardKeyPair = &cobra.Command{
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+ Use: "wg-keypair",
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+ Short: "Generate WireGuard key pair",
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+ Args: cobra.NoArgs,
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+ Run: func(cmd *cobra.Command, args []string) {
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+ err := generateWireGuardKey()
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+ if err != nil {
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+ log.Fatal(err)
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+ }
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+ },
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+}
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+
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+func generateWireGuardKey() error {
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+ privateKey, err := wgtypes.GeneratePrivateKey()
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+ if err != nil {
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+ return err
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+ }
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+ os.Stdout.WriteString("PrivateKey: " + privateKey.String() + "\n")
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+ os.Stdout.WriteString("PublicKey: " + privateKey.PublicKey().String() + "\n")
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+ return nil
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+}
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+
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+var commandGenerateRealityKeyPair = &cobra.Command{
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+ Use: "reality-keypair",
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+ Short: "Generate reality key pair",
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+ Args: cobra.NoArgs,
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+ Run: func(cmd *cobra.Command, args []string) {
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+ err := generateRealityKey()
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+ if err != nil {
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+ log.Fatal(err)
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+ }
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+ },
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+}
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+
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+func generateRealityKey() error {
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+ privateKey, err := wgtypes.GeneratePrivateKey()
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+ if err != nil {
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+ return err
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+ }
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+ publicKey := privateKey.PublicKey()
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+ os.Stdout.WriteString("PrivateKey: " + base64.RawURLEncoding.EncodeToString(privateKey[:]) + "\n")
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+ os.Stdout.WriteString("PublicKey: " + base64.RawURLEncoding.EncodeToString(publicKey[:]) + "\n")
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+ return nil
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+}
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Hellojack