Merge pull request #182 from jm33-m0/master

add sftp-server example

_examples/ssh-sftpserver/sftp.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"io/ioutil"
+	"log"
+
+	"github.com/gliderlabs/ssh"
+	"github.com/pkg/sftp"
+)
+
+// SftpHandler handler for SFTP subsystem
+func SftpHandler(sess ssh.Session) {
+	debugStream := ioutil.Discard
+	serverOptions := []sftp.ServerOption{
+		sftp.WithDebug(debugStream),
+	}
+	server, err := sftp.NewServer(
+		sess,
+		serverOptions...,
+	)
+	if err != nil {
+		log.Printf("sftp server init error: %s\n", err)
+		return
+	}
+	if err := server.Serve(); err == io.EOF {
+		server.Close()
+		fmt.Println("sftp client exited session.")
+	} else if err != nil {
+		fmt.Println("sftp server completed with error:", err)
+	}
+}
+
+func main() {
+	ssh_server := ssh.Server{
+		Addr: "127.0.0.1:2222",
+		SubsystemHandlers: map[string]ssh.SubsystemHandler{
+			"sftp": SftpHandler,
+		},
+	}
+	log.Fatal(ssh_server.ListenAndServe())
+}