BRNSystems/telnetroulette
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This commit is contained in:
Bruno Rybársky 2024-06-09 11:03:31 +02:00
parent bf471b4934
commit 2b34c71573
1 changed files with 8 additions and 6 deletions
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14
terminal_handler.go
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@ -20,11 +20,9 @@ func newInternalTerminalHandler(shellCharacter, welcomeMessage string, commandRe
} }
} }
func clearLine(w telnet.Writer) { func clearLine(w telnet.Writer) error {
_, err := w.RawWrite([]byte{0x1B, 0x5B, 0x4B}) _, err := w.RawWrite([]byte{0x1B, 0x5B, 0x4B})
if err != nil { return err
return
}
} }
func (handler *internalTerminalHandler) ServeTELNET(ctx telnet.Context, w telnet.Writer, r telnet.Reader) { func (handler *internalTerminalHandler) ServeTELNET(ctx telnet.Context, w telnet.Writer, r telnet.Reader) {
@ -75,7 +73,9 @@ func (handler *internalTerminalHandler) ServeTELNET(ctx telnet.Context, w telnet
clients[clientID].HistoryIndex++ clients[clientID].HistoryIndex++
} }
lineBuffer = []byte(clients[clientID].History[clients[clientID].HistoryIndex]) lineBuffer = []byte(clients[clientID].History[clients[clientID].HistoryIndex])
clearLine(w) if clearLine(w) != nil {
return
}
_, err := w.Write(lineBuffer) _, err := w.Write(lineBuffer)
if err != nil { if err != nil {
return return
@ -87,7 +87,9 @@ func (handler *internalTerminalHandler) ServeTELNET(ctx telnet.Context, w telnet
clients[clientID].HistoryIndex-- clients[clientID].HistoryIndex--
} }
lineBuffer = []byte(clients[clientID].History[clients[clientID].HistoryIndex]) lineBuffer = []byte(clients[clientID].History[clients[clientID].HistoryIndex])
clearLine(w) if clearLine(w) != nil {
return
}
_, err := w.Write(lineBuffer) _, err := w.Write(lineBuffer)
if err != nil { if err != nil {
return return