add hostname to init packet

pkg/packet/packet.go

@@ -387,6 +387,7 @@ type InitPacketType struct {
 	HomeDir       string   `json:"homedir,omitempty"`
 	Env           []string `json:"env,omitempty"`
 	User          string   `json:"user,omitempty"`
+	HostName      string   `json:"hostname,omitempty"`
 	NotFound      bool     `json:"notfound,omitempty"`
 	UName         string   `json:"uname,omitempty"`
 	RemoteId      string   `json:"remoteid,omitempty"`

pkg/server/server.go

@@ -41,7 +41,7 @@ func (m *MServer) ProcessCommandPacket(pk packet.CommandPacketType) {
 	cproc := m.ClientMap[ck]
 	m.Lock.Unlock()
 	if cproc == nil {
-		m.Sender.SendCmdError(ck, fmt.Errorf("no client proc for ck '%s'", ck))
+		m.Sender.SendCmdError(ck, fmt.Errorf("no client proc for ck '%s', pk=%s", ck, packet.AsString(pk)))
 		return
 	}
 	cproc.Input.SendPacket(pk)

pkg/shexec/shexec.go

@@ -1060,6 +1060,7 @@ func MakeInitPacket() *packet.InitPacketType {
 	if user, _ := user.Current(); user != nil {
 		initPacket.User = user.Username
 	}
+	initPacket.HostName, _ = os.Hostname()
 	return initPacket
 }