14 static Socket s = NULL;
16 static void rlogin_size(void);
18 static int sb_opt, sb_len;
19 static char *sb_buf = NULL;
20 static int sb_size = 0;
23 static void c_write (char *buf, int len) {
24 from_backend(0, buf, len);
27 static int rlogin_receive (Socket s, int urgent, char *data, int len) {
29 /* Connection has closed. */
42 * We should flush everything (aka Telnet SYNCH) if we see
43 * 0x02, and we should turn off and on _local_ flow control
44 * on 0x10 and 0x20 respectively. I'm not convinced it's
53 * Called to set up the rlogin connection.
55 * Returns an error message, or NULL on success.
57 * Also places the canonical host name into `realhost'.
59 static char *rlogin_init (char *host, int port, char **realhost) {
66 addr = sk_namelookup(host, realhost);
67 if ( (err = sk_addr_error(addr)) )
71 port = 513; /* default rlogin port */
76 s = sk_new(addr, port, 1, rlogin_receive);
77 if ( (err = sk_socket_error(s)) )
83 * Send local username, remote username, terminal/speed
90 sk_write(s, cfg.localusername, strlen(cfg.localusername));
92 sk_write(s, cfg.username, strlen(cfg.username));
94 sk_write(s, cfg.termtype, strlen(cfg.termtype));
96 for(p = cfg.termspeed; isdigit(*p); p++);
97 sk_write(s, cfg.termspeed, p - cfg.termspeed);
107 * Called to send data down the rlogin connection.
109 static void rlogin_send (char *buf, int len) {
114 sk_write(s, buf, len);
118 * Called to set the size of the window
120 static void rlogin_size(void) {
121 char b[12] = { 0xFF, 0xFF, 0x73, 0x73, 0, 0, 0, 0, 0, 0, 0, 0 };
123 b[6] = cols >> 8; b[7] = cols & 0xFF;
124 b[4] = rows >> 8; b[5] = rows & 0xFF;
130 * Send rlogin special codes.
132 static void rlogin_special (Telnet_Special code) {
137 static Socket rlogin_socket(void) { return s; }
139 static int rlogin_sendok(void) { return 1; }
141 Backend rlogin_backend = {