func handleServerConn(keyId string, chans <-chan ssh.NewChannel) {
for newChan := range chans {
if newChan.ChannelType() != "session" {
newChan.Reject(ssh.UnknownChannelType, "unknown channel type")
continue
}
channel, requests, err := newChan.Accept()
if err != nil {
log.Error(3, "Could not accept channel: %v", err)
continue
}
go func(in <-chan *ssh.Request) {
defer channel.Close()
for req := range in {
ok, payload := false, strings.TrimLeft(string(req.Payload), "\x00&")
fmt.Println("Request:", req.Type, req.WantReply, payload)
if req.WantReply {
fmt.Println(req.Reply(true, nil))
}
switch req.Type {
case "env":
args := strings.Split(strings.Replace(payload, "\x00", "", -1), "\v")
if len(args) != 2 {
break
}
args[0] = strings.TrimLeft(args[0], "\x04")
_, _, err := com.ExecCmdBytes("env", args[0]+"="+args[1])
if err != nil {
log.Error(3, "env: %v", err)
channel.Stderr().Write([]byte(err.Error()))
break
}
ok = true
case "exec":
os.Setenv("SSH_ORIGINAL_COMMAND", strings.TrimLeft(payload, "'("))
log.Info("Payload: %v", strings.TrimLeft(payload, "'("))
cmd := exec.Command("/Users/jiahuachen/Applications/Go/src/github.com/pecastro/gogs/gogs", "serv", "key-"+keyId)
cmd.Stdout = channel
cmd.Stdin = channel
cmd.Stderr = channel.Stderr()
if err := cmd.Run(); err != nil {
log.Error(3, "exec: %v", err)
} else {
ok = true
}
}
fmt.Println("Done:", ok)
}
fmt.Println("Done!!!")
}(requests)
}
}
func handleServerConn(keyID string, chans <-chan ssh.NewChannel) {
for newChan := range chans {
if newChan.ChannelType() != "session" {
newChan.Reject(ssh.UnknownChannelType, "unknown channel type")
continue
}
ch, reqs, err := newChan.Accept()
if err != nil {
log.Error(3, "Error accepting channel: %v", err)
continue
}
go func(in <-chan *ssh.Request) {
defer ch.Close()
for req := range in {
payload := cleanCommand(string(req.Payload))
switch req.Type {
case "env":
args := strings.Split(strings.Replace(payload, "\x00", "", -1), "\v")
if len(args) != 2 {
log.Warn("Invalid env arguments: '%#v'", args)
continue
}
args[0] = strings.TrimLeft(args[0], "\x04")
_, _, err := com.ExecCmdBytes("env", args[0]+"="+args[1])
if err != nil {
log.Error(3, "env: %v", err)
return
}
case "exec":
cmdName := strings.TrimLeft(payload, "'()")
os.Setenv("SSH_ORIGINAL_COMMAND", cmdName)
log.Trace("Payload: %v", cmdName)
args := []string{"serv", "key-" + keyID, "--config=" + setting.CustomConf}
log.Trace("Arguments: %v", args)
cmd := exec.Command(setting.AppPath, args...)
stdout, err := cmd.StdoutPipe()
if err != nil {
log.Error(3, "StdoutPipe: %v", err)
return
}
stderr, err := cmd.StderrPipe()
if err != nil {
log.Error(3, "StderrPipe: %v", err)
return
}
input, err := cmd.StdinPipe()
if err != nil {
log.Error(3, "StdinPipe: %v", err)
return
}
// FIXME: check timeout
if err = cmd.Start(); err != nil {
log.Error(3, "Start: %v", err)
return
}
go io.Copy(input, ch)
io.Copy(ch, stdout)
io.Copy(ch.Stderr(), stderr)
if err = cmd.Wait(); err != nil {
log.Error(3, "Wait: %v", err)
return
}
ch.SendRequest("exit-status", false, []byte{0, 0, 0, 0})
return
default:
}
}
}(reqs)
}
}
