func handleServerConn(sConn *ssh.ServerConn) {
defer sConn.Close()
for {
// Accept reads from the connection, demultiplexes packets
// to their corresponding channels and returns when a new
// channel request is seen. Some goroutine must always be
// calling Accept; otherwise no messages will be forwarded
// to the channels.
ch, err := sConn.Accept()
if err == io.EOF {
return
}
if err != nil {
log.Println("handleServerConn Accept:", err)
break
}
// Channels have a type, depending on the application level
// protocol intended. In the case of a shell, the type is
// "session" and ServerShell may be used to present a simple
// terminal interface.
if ch.ChannelType() != "session" {
ch.Reject(ssh.UnknownChannelType, "unknown channel type")
break
}
go handleChannel(ch)
}
}
func handleSshConnection(sConn *ssh.ServerConn,
msgchan chan<- text.Message, addchan chan<- Client, rmchan chan<- net.Conn) {
defer sConn.Close()
for {
ch, err := sConn.Accept()
if err == io.EOF {
return
}
if err != nil {
log.Println("handleServerConn Accept:", err)
break
}
if ch.ChannelType() != "session" {
ch.Reject(ssh.UnknownChannelType, "unknown channel type")
break
}
log.Println("Client version:", string(sConn.ClientVersion))
// Create terminal
term := terminal.NewTerminal(ch, "")
serverTerm := &ssh.ServerTerminal{
Term: term,
Channel: ch,
}
ch.Accept()
go handleConnection(sConn, serverTerm, term, msgchan, addchan, rmchan)
}
}