15 static Socket s = NULL;
17 static void rlogin_size(void);
19 static void c_write(char *buf, int len)
21 from_backend(0, buf, len);
24 static int rlogin_closing(Plug plug, char *error_msg, int error_code,
32 /* A socket error has occurred. */
33 connection_fatal(error_msg);
34 } /* Otherwise, the remote side closed the connection normally. */
38 static int rlogin_receive(Plug plug, int urgent, char *data, int len)
48 * We should flush everything (aka Telnet SYNCH) if we see
49 * 0x02, and we should turn off and on _local_ flow control
50 * on 0x10 and 0x20 respectively. I'm not convinced it's
55 * Main rlogin protocol. This is really simple: the first
56 * byte is expected to be NULL and is ignored, and the rest
59 static int firstbyte = 1;
61 if (data[0] == '\0') {
73 * Called to set up the rlogin connection.
75 * Returns an error message, or NULL on success.
77 * Also places the canonical host name into `realhost'. It must be
78 * freed by the caller.
80 static char *rlogin_init(char *host, int port, char **realhost)
82 static struct plug_function_table fn_table = {
85 }, *fn_table_ptr = &fn_table;
93 addr = sk_namelookup(host, realhost);
94 if ((err = sk_addr_error(addr)))
98 port = 513; /* default rlogin port */
103 s = sk_new(addr, port, 1, 0, &fn_table_ptr);
104 if ((err = sk_socket_error(s)))
110 * Send local username, remote username, terminal/speed
117 sk_write(s, cfg.localusername, strlen(cfg.localusername));
119 sk_write(s, cfg.username, strlen(cfg.username));
121 sk_write(s, cfg.termtype, strlen(cfg.termtype));
123 for (p = cfg.termspeed; isdigit(*p); p++);
124 sk_write(s, cfg.termspeed, p - cfg.termspeed);
132 * Called to send data down the rlogin connection.
134 static void rlogin_send(char *buf, int len)
140 sk_write(s, buf, len);
144 * Called to set the size of the window
146 static void rlogin_size(void)
148 char b[12] = { '\xFF', '\xFF', 0x73, 0x73, 0, 0, 0, 0, 0, 0, 0, 0 };
159 * Send rlogin special codes.
161 static void rlogin_special(Telnet_Special code)
167 static Socket rlogin_socket(void)
172 static int rlogin_sendok(void)
177 static int rlogin_ldisc(int option)
182 Backend rlogin_backend = {