src/usr.bin/ssh/clientloop.c - diff

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Diff for /src/usr.bin/ssh/clientloop.c between version 1.179 and 1.180

-version 1.179, 2007/03/20 03:56:12
+version 1.180, 2007/08/07 07:32:53
 Line 1765
 Line 1765
 Line 1765
          return c;
  }
+ int
+ client_request_tun_fwd(int tun_mode, int local_tun, int remote_tun)
+ {
+         Channel *c;
+         int fd;
+         if (tun_mode == SSH_TUNMODE_NO)
+                 return 0;
+         if (!compat20) {
+                 error("Tunnel forwarding is not support for protocol 1");
+                 return -1;
+         }
+         debug("Requesting tun unit %d in mode %d", local_tun, tun_mode);
+         /* Open local tunnel device */
+         if ((fd = tun_open(local_tun, tun_mode)) == -1) {
+                 error("Tunnel device open failed.");
+                 return -1;
+         }
+         c = channel_new("tun", SSH_CHANNEL_OPENING, fd, fd, -1,
+             CHAN_TCP_WINDOW_DEFAULT, CHAN_TCP_PACKET_DEFAULT, 0, "tun", 1);
+         c->datagram = 1;
+         packet_start(SSH2_MSG_CHANNEL_OPEN);
+         packet_put_cstring("tun@openssh.com");
+         packet_put_int(c->self);
+         packet_put_int(c->local_window_max);
+         packet_put_int(c->local_maxpacket);
+         packet_put_int(tun_mode);
+         packet_put_int(remote_tun);
+         packet_send();
+         return 0;
+ }
  /* XXXX move to generic input handler */
  static void
  client_input_channel_open(int type, u_int32_t seq, void *ctxt)