bfdd/linux.c

   1 /*
   2  * Linux specific code
   3  *
   4  * Copyright (C) 2018 Network Device Education Foundation, Inc. ("NetDEF")
   5  *
   6  * FRR is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * FRR is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with FRR; see the file COPYING.  If not, write to the Free
  18  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  19  * 02111-1307, USA.
  20  */
  21
  22 #include <zebra.h>
  23
  24 #ifdef BFD_LINUX
  25
  26 #include "bfd.h"
  27
  28
  29 /*
  30  * Definitions.
  31  */
  32 int bp_bind_dev(int sd __attribute__((__unused__)),
  33                 const char *dev __attribute__((__unused__)))
  34 {
  35         /*
  36          * TODO: implement this differently. It is not possible to
  37          * SO_BINDTODEVICE after the daemon has dropped its privileges.
  38          */
  39 #if 0
  40         size_t devlen = strlen(dev) + 1;
  41
  42         if (setsockopt(sd, SOL_SOCKET, SO_BINDTODEVICE, dev, devlen) == -1) {
  43                 log_warning("%s: setsockopt(SO_BINDTODEVICE, \"%s\"): %s",
  44                             __func__, dev, strerror(errno));
  45                 return -1;
  46         }
  47 #endif
  48
  49         return 0;
  50 }
  51
  52 #endif /* BFD_LINUX */