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 skt, int urgent, char *data, int len) {
29 /* A socket error has occurred. */
32 connection_fatal(data);
35 /* Connection has closed. */
47 * We should flush everything (aka Telnet SYNCH) if we see
48 * 0x02, and we should turn off and on _local_ flow control
49 * on 0x10 and 0x20 respectively. I'm not convinced it's
54 * Main rlogin protocol. This is really simple: the first
55 * byte is expected to be NULL and is ignored, and the rest
58 static int firstbyte = 1;
60 if (data[0] == '\0') {
72 * Called to set up the rlogin connection.
74 * Returns an error message, or NULL on success.
76 * Also places the canonical host name into `realhost'.
78 static char *rlogin_init (char *host, int port, char **realhost) {
85 addr = sk_namelookup(host, realhost);
86 if ( (err = sk_addr_error(addr)) )
90 port = 513; /* default rlogin port */
95 s = sk_new(addr, port, 1, rlogin_receive);
96 if ( (err = sk_socket_error(s)) )
102 * Send local username, remote username, terminal/speed
109 sk_write(s, cfg.localusername, strlen(cfg.localusername));
111 sk_write(s, cfg.username, strlen(cfg.username));
113 sk_write(s, cfg.termtype, strlen(cfg.termtype));
115 for(p = cfg.termspeed; isdigit(*p); p++);
116 sk_write(s, cfg.termspeed, p - cfg.termspeed);
124 * Called to send data down the rlogin connection.
126 static void rlogin_send (char *buf, int len) {
131 sk_write(s, buf, len);
135 * Called to set the size of the window
137 static void rlogin_size(void) {
138 char b[12] = { '\xFF', '\xFF', 0x73, 0x73, 0, 0, 0, 0, 0, 0, 0, 0 };
140 b[6] = cols >> 8; b[7] = cols & 0xFF;
141 b[4] = rows >> 8; b[5] = rows & 0xFF;
147 * Send rlogin special codes.
149 static void rlogin_special (Telnet_Special code) {
154 static Socket rlogin_socket(void) { return s; }
156 static int rlogin_sendok(void) { return 1; }
158 static int rlogin_ldisc(int option) {
162 Backend rlogin_backend = {