#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include "putty.h"
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE 1
#endif
static Socket s = NULL;
static void raw_size(void);
static void c_write(char *buf, int len)
{
from_backend(0, buf, len);
}
static int raw_closing(Plug plug, char *error_msg, int error_code,
int calling_back)
{
sk_close(s);
s = NULL;
if (error_msg) {
/* A socket error has occurred. */
connection_fatal(error_msg);
} /* Otherwise, the remote side closed the connection normally. */
return 0;
}
static int raw_receive(Plug plug, int urgent, char *data, int len)
{
c_write(data, len);
return 1;
}
/*
* Called to set up the raw connection.
*
* Returns an error message, or NULL on success.
*
* Also places the canonical host name into `realhost'. It must be
* freed by the caller.
*/
static char *raw_init(char *host, int port, char **realhost)
{
static struct plug_function_table fn_table = {
raw_closing,
raw_receive
}, *fn_table_ptr = &fn_table;
SockAddr addr;
char *err;
/*
* Try to find host.
*/
addr = sk_namelookup(host, realhost);
if ((err = sk_addr_error(addr)))
return err;
if (port < 0)
port = 23; /* default telnet port */
/*
* Open socket.
*/
s = sk_new(addr, port, 0, 1, &fn_table_ptr);
if ((err = sk_socket_error(s)))
return err;
sk_addr_free(addr);
return NULL;
}
/*
* Called to send data down the raw connection.
*/
static void raw_send(char *buf, int len)
{
if (s == NULL)
return;
sk_write(s, buf, len);
}
/*
* Called to set the size of the window
*/
static void raw_size(void)
{
/* Do nothing! */
return;
}
/*
* Send raw special codes.
*/
static void raw_special(Telnet_Special code)
{
/* Do nothing! */
return;
}
static Socket raw_socket(void)
{
return s;
}
static int raw_sendok(void)
{
return 1;
}
static int raw_ldisc(int option)
{
if (option == LD_EDIT || option == LD_ECHO)
return 1;
return 0;
}
Backend raw_backend = {
raw_init,
raw_send,
raw_size,
raw_special,
raw_socket,
raw_sendok,
raw_ldisc,
1
};