cmd/dht-secure-id

diff --git a/cmd/dht-secure-id/main.go b/cmd/dht-secure-id/main.go
new file mode 100644 (file)
index 0000000..cf6c3a0
--- /dev/null
+++ b/cmd/dht-secure-id/main.go
@@ -0,0 +1,34 @@
+package main
+
+import (
+       "encoding/hex"
+       "fmt"
+       "net"
+       "os"
+
+       "github.com/docopt/docopt-go"
+
+       "github.com/anacrolix/torrent/dht"
+)
+
+func main() {
+       args, _ := docopt.Parse(`dht-secure-id outputs the node ID secured with the IP.
+
+Usage: dht-secure-id <id> <ip>`, nil, true, "", false)
+       id, err := hex.DecodeString(args["<id>"].(string))
+       if err != nil {
+               fmt.Fprintf(os.Stderr, "bad id: %s\n", err)
+               os.Exit(2)
+       }
+       if len(id) != 20 {
+               fmt.Fprintf(os.Stderr, "bad id: wrong length\n")
+               os.Exit(2)
+       }
+       ip := net.ParseIP(args["<ip>"].(string))
+       if ip == nil {
+               fmt.Fprintf(os.Stderr, "bad ip\n")
+               os.Exit(2)
+       }
+       dht.SecureNodeId(id, ip)
+       fmt.Printf("%x\n", id)
+}