glider-ssh/_examples/ssh-remoteforward/portforward.go

38 lines
952 B
Go

package main
import (
"io"
"log"
"github.com/gliderlabs/ssh"
)
func main() {
log.Println("starting ssh server on port 2222...")
forwardHandler := &ssh.ForwardedTCPHandler{}
server := ssh.Server{
LocalPortForwardingCallback: ssh.LocalPortForwardingCallback(func(ctx ssh.Context, dhost string, dport uint32) bool {
log.Println("Accepted forward", dhost, dport)
return true
}),
Addr: ":2222",
Handler: ssh.Handler(func(s ssh.Session) {
io.WriteString(s, "Remote forwarding available...\n")
select {}
}),
ReversePortForwardingCallback: ssh.ReversePortForwardingCallback(func(ctx ssh.Context, host string, port uint32) bool {
log.Println("attempt to bind", host, port, "granted")
return true
}),
RequestHandlers: map[string]ssh.RequestHandler{
"tcpip-forward": forwardHandler.HandleSSHRequest,
"cancel-tcpip-forward": forwardHandler.HandleSSHRequest,
},
}
log.Fatal(server.ListenAndServe())
}