15 static Socket s = NULL;
17 static void rlogin_size(void);
19 static int sb_opt, sb_len;
20 static char *sb_buf = NULL;
21 static int sb_size = 0;
24 static void c_write (char *buf, int len) {
25 from_backend(0, buf, len);
28 static int rlogin_closing (Plug plug, char *error_msg, int error_code, int calling_back) {
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) {
46 * We should flush everything (aka Telnet SYNCH) if we see
47 * 0x02, and we should turn off and on _local_ flow control
48 * on 0x10 and 0x20 respectively. I'm not convinced it's
53 * Main rlogin protocol. This is really simple: the first
54 * byte is expected to be NULL and is ignored, and the rest
57 static int firstbyte = 1;
59 if (data[0] == '\0') {
71 * Called to set up the rlogin connection.
73 * Returns an error message, or NULL on success.
75 * Also places the canonical host name into `realhost'.
77 static char *rlogin_init (char *host, int port, char **realhost) {
78 static struct plug_function_table fn_table = {
81 }, *fn_table_ptr = &fn_table;
89 addr = sk_namelookup(host, realhost);
90 if ( (err = sk_addr_error(addr)) )
94 port = 513; /* default rlogin port */
99 s = sk_new(addr, port, 1, 0, &fn_table_ptr);
100 if ( (err = sk_socket_error(s)) )
106 * Send local username, remote username, terminal/speed
113 sk_write(s, cfg.localusername, strlen(cfg.localusername));
115 sk_write(s, cfg.username, strlen(cfg.username));
117 sk_write(s, cfg.termtype, strlen(cfg.termtype));
119 for(p = cfg.termspeed; isdigit(*p); p++);
120 sk_write(s, cfg.termspeed, p - cfg.termspeed);
128 * Called to send data down the rlogin connection.
130 static void rlogin_send (char *buf, int len) {
135 sk_write(s, buf, len);
139 * Called to set the size of the window
141 static void rlogin_size(void) {
142 char b[12] = { '\xFF', '\xFF', 0x73, 0x73, 0, 0, 0, 0, 0, 0, 0, 0 };
144 b[6] = cols >> 8; b[7] = cols & 0xFF;
145 b[4] = rows >> 8; b[5] = rows & 0xFF;
151 * Send rlogin special codes.
153 static void rlogin_special (Telnet_Special code) {
158 static Socket rlogin_socket(void) { return s; }
160 static int rlogin_sendok(void) { return 1; }
162 static int rlogin_ldisc(int option) {
166 Backend rlogin_backend = {