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
)
26 from_backend(0, buf
, len
);
29 static int rlogin_closing(Plug plug
, char *error_msg
, int error_code
,
35 /* A socket error has occurred. */
36 connection_fatal(error_msg
);
37 } /* Otherwise, the remote side closed the connection normally. */
41 static int rlogin_receive(Plug plug
, int urgent
, char *data
, int len
)
51 * We should flush everything (aka Telnet SYNCH) if we see
52 * 0x02, and we should turn off and on _local_ flow control
53 * on 0x10 and 0x20 respectively. I'm not convinced it's
58 * Main rlogin protocol. This is really simple: the first
59 * byte is expected to be NULL and is ignored, and the rest
62 static int firstbyte
= 1;
64 if (data
[0] == '\0') {
76 * Called to set up the rlogin connection.
78 * Returns an error message, or NULL on success.
80 * Also places the canonical host name into `realhost'. It must be
81 * freed by the caller.
83 static char *rlogin_init(char *host
, int port
, char **realhost
)
85 static struct plug_function_table fn_table
= {
88 }, *fn_table_ptr
= &fn_table
;
96 addr
= sk_namelookup(host
, realhost
);
97 if ((err
= sk_addr_error(addr
)))
101 port
= 513; /* default rlogin port */
106 s
= sk_new(addr
, port
, 1, 0, &fn_table_ptr
);
107 if ((err
= sk_socket_error(s
)))
113 * Send local username, remote username, terminal/speed
120 sk_write(s
, cfg
.localusername
, strlen(cfg
.localusername
));
122 sk_write(s
, cfg
.username
, strlen(cfg
.username
));
124 sk_write(s
, cfg
.termtype
, strlen(cfg
.termtype
));
126 for (p
= cfg
.termspeed
; isdigit(*p
); p
++);
127 sk_write(s
, cfg
.termspeed
, p
- cfg
.termspeed
);
135 * Called to send data down the rlogin connection.
137 static void rlogin_send(char *buf
, int len
)
143 sk_write(s
, buf
, len
);
147 * Called to set the size of the window
149 static void rlogin_size(void)
151 char b
[12] = { '\xFF', '\xFF', 0x73, 0x73, 0, 0, 0, 0, 0, 0, 0, 0 };
162 * Send rlogin special codes.
164 static void rlogin_special(Telnet_Special code
)
170 static Socket
rlogin_socket(void)
175 static int rlogin_sendok(void)
180 static int rlogin_ldisc(int option
)
185 Backend rlogin_backend
= {