func executeKey(ctx command.ConfContext, line string, c *Client) {
log.Printf("executeKey(): [%v]", line)
if line == "q" {
c.outputQueue = nil // discard output queue
}
// key feedback
// RETURN is empty line (line == "")
c.Output() <- fmt.Sprintf("%s\r\n", line)
commandFeedback(c, getHostname(ctx.ConfRootActive()))
}
func executeLine(ctx command.ConfContext, line string, history bool, c *Client) {
log.Printf("executeLine: [%v]", line)
status := c.Status()
switch status {
case command.MOTD:
c.Sendln("")
c.Sendln("vty server ready")
c.Sendln("")
if isAnyUserDefined(ctx.ConfRootActive()) {
c.StatusSet(command.USER) // request user/password auth
} else {
c.StatusSet(command.EXEC) // login without user/password auth
}
case command.USER:
c.EchoDisable()
c.StatusSet(command.PASS)
c.UsernameSet(line)
case command.PASS:
c.EchoEnable()
if checkPassword(ctx.ConfRootActive(), c.Username(), line) {
c.StatusSet(command.EXEC) // login allowed
} else {
c.StatusSet(command.USER) // request user again
}
case command.EXEC, command.ENAB, command.CONF:
if err := command.Dispatch(ctx, line, c, status, history); err != nil {
c.Sendln(fmt.Sprintf("executeLine: error: %v", err))
}
default:
msg := fmt.Sprintf("unknown state for command: [%s]", line)
log.Print(msg)
c.Sendln(msg)
}
commandFeedback(c, getHostname(ctx.ConfRootActive()))
}