stdin pipe needs to be closed in case program continues to expect input

Makefile

@@ -2,15 +2,15 @@ NAME=sshfront
 OWNER=gliderlabs
 ARCH=$(shell uname -m)
 RMFLAG=--rm
-VERSION=0.2.0
+VERSION=0.2.1
 
 build:
 	mkdir -p build/Linux && GOOS=linux CGO_ENABLED=0 go build -a \
-		-ldflags "-X main.Version $(VERSION)" \
+		-ldflags "-X main.Version=$(VERSION)" \
 		-installsuffix cgo \
 		-o build/Linux/$(NAME)
 	mkdir -p build/Darwin && GOOS=darwin CGO_ENABLED=0 go build -a \
-		-ldflags "-X main.Version $(VERSION)" \
+		-ldflags "-X main.Version=$(VERSION)" \
 		-installsuffix cgo \
 		-o build/Darwin/$(NAME)
 

example/stdinecho

@@ -0,0 +1,3 @@
+#!/bin/bash
+echo "Stdin:"
+cat

handlers.go

@@ -221,7 +221,10 @@ func (h *sshHandler) handleExec(req *ssh.Request) {
 		h.channel.Close()
 		return
 	}
-	go io.Copy(stdinPipe, h.channel)
+	go func() {
+		defer stdinPipe.Close()
+		io.Copy(stdinPipe, h.channel)
+	}()
 
 	if req.WantReply {
 		req.Reply(true, nil)