* freed by the caller.
*/
static char *raw_init(void *frontend_handle, void **backend_handle,
+ Config *cfg,
char *host, int port, char **realhost, int nodelay)
{
static const struct plug_function_table fn_table = {
char *err;
Raw raw;
- raw = smalloc(sizeof(*raw));
+ raw = snew(struct raw_backend_data);
raw->fn = &fn_table;
raw->s = NULL;
*backend_handle = raw;
* Try to find host.
*/
{
- char buf[200];
- sprintf(buf, "Looking up host \"%.170s\"", host);
+ char *buf;
+ buf = dupprintf("Looking up host \"%s\"", host);
logevent(raw->frontend, buf);
+ sfree(buf);
}
- addr = sk_namelookup(host, realhost);
- if ((err = sk_addr_error(addr)))
+ addr = name_lookup(host, port, realhost, cfg);
+ if ((err = sk_addr_error(addr)) != NULL)
return err;
if (port < 0)
* Open socket.
*/
{
- char buf[200], addrbuf[100];
+ char *buf, addrbuf[100];
sk_getaddr(addr, addrbuf, 100);
- sprintf(buf, "Connecting to %.100s port %d", addrbuf, port);
+ buf = dupprintf("Connecting to %s port %d", addrbuf, port);
logevent(raw->frontend, buf);
+ sfree(buf);
}
- raw->s = new_connection(addr, *realhost, port, 0, 1, nodelay, (Plug) raw);
- if ((err = sk_socket_error(raw->s)))
+ raw->s = new_connection(addr, *realhost, port, 0, 1, nodelay,
+ (Plug) raw, cfg);
+ if ((err = sk_socket_error(raw->s)) != NULL)
return err;
sk_addr_free(addr);
return NULL;
}
+static void raw_free(void *handle)
+{
+ Raw raw = (Raw) handle;
+
+ if (raw->s)
+ sk_close(raw->s);
+ sfree(raw);
+}
+
+/*
+ * Stub routine (we don't have any need to reconfigure this backend).
+ */
+static void raw_reconfig(void *handle, Config *cfg)
+{
+}
+
/*
* Called to send data down the raw connection.
*/
return;
}
+/*
+ * Return a list of the special codes that make sense in this
+ * protocol.
+ */
+static const struct telnet_special *raw_get_specials(void *handle)
+{
+ return NULL;
+}
+
static Socket raw_socket(void *handle)
{
Raw raw = (Raw) handle;
static int raw_exitcode(void *handle)
{
- /* Exit codes are a meaningless concept in the Raw protocol */
- return 0;
+ Raw raw = (Raw) handle;
+ if (raw->s != NULL)
+ return -1; /* still connected */
+ else
+ /* Exit codes are a meaningless concept in the Raw protocol */
+ return 0;
}
Backend raw_backend = {
raw_init,
+ raw_free,
+ raw_reconfig,
raw_send,
raw_sendbuffer,
raw_size,
raw_special,
+ raw_get_specials,
raw_socket,
raw_exitcode,
raw_sendok,