14 static Socket s = NULL;
16 static void raw_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)
25 from_backend(0, buf, len);
28 static int raw_closing(Plug plug, char *error_msg, int error_code,
34 /* A socket error has occurred. */
35 connection_fatal(error_msg);
36 } /* Otherwise, the remote side closed the connection normally. */
40 static int raw_receive(Plug plug, int urgent, char *data, int len)
47 * Called to set up the raw connection.
49 * Returns an error message, or NULL on success.
51 * Also places the canonical host name into `realhost'.
53 static char *raw_init(char *host, int port, char **realhost)
55 static struct plug_function_table fn_table = {
58 }, *fn_table_ptr = &fn_table;
66 addr = sk_namelookup(host, realhost);
67 if ((err = sk_addr_error(addr)))
71 port = 23; /* default telnet port */
76 s = sk_new(addr, port, 0, 1, &fn_table_ptr);
77 if ((err = sk_socket_error(s)))
86 * Called to send data down the raw connection.
88 static void raw_send(char *buf, int len)
94 sk_write(s, buf, len);
98 * Called to set the size of the window
100 static void raw_size(void)
107 * Send raw special codes.
109 static void raw_special(Telnet_Special code)
115 static Socket raw_socket(void)
120 static int raw_sendok(void)
125 static int raw_ldisc(int option)
127 if (option == LD_EDIT || option == LD_ECHO)
132 Backend raw_backend = {