Fix missing bypass and update README

README.md

@@ -9,11 +9,17 @@ A simple TCP proxy. Currently used in [AppVenture](https://appventure.nushigh.ed
 $ ./forward -help
 Usage of ./forward:
   -connect string
-    	forward to ip and port (default ":8080")
+    	forward to address
   -listen string
-    	listen on ip and port (default ":8081")
+    	listen on address (default ":8000")
+  -ssh string
+    	if set, will do basic introspection to forward SSH traffic to this address
 ```
 
+### Usage with SSH
+
+You can use `forward` to do multiplexing of SSH and HTTP in a quick and dirty way, using very simple protocol introspection. A more robust solution would be [sshttp](https://github.com/stealth/sshttp)
+
 ## Usage on Windows
 
 `forward` is wrapped with [go-svc](https://github.com/judwhite/go-svc), enabling it to be run as a Windows service. To add with PowerShell:

server.go

@@ -70,6 +70,8 @@ var magic = []byte{'S', 'S', 'H', '-'}
 var magicLen = len(magic)
 
 func handle(c net.Conn, count int) {
+	if connSSH != nil {
+
 		// read first four characters
 		readMagic := make([]byte, magicLen, magicLen)
 		n, err := c.Read(readMagic)
@@ -101,6 +103,20 @@ func handle(c net.Conn, count int) {
 
 		go pipe(c, cn, count)
 		go pipe(cn, c, count)
+
+	} else {
+
+		cn, err := net.DialTCP("tcp", nil, conn)
+		if err != nil {
+			c.Close()
+			log.Print(err)
+			return
+		}
+
+		go pipe(c, cn, count)
+		go pipe(cn, c, count)
+
+	}
 }
 
 func pipe(w io.WriteCloser, r io.ReadCloser, count int) {