tests/bgpd/test_packet.c

   1 /*
   2  * Copyright (C) 2017 Cumulus Networks Inc.
   3  *                    Donald Sharp
   4  *
   5  * This file is part of FRR
   6  *
   7  * FRR is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2, or (at your option) any
  10  * later version.
  11  *
  12  * FRR is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; see the file COPYING; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #include <zebra.h>
  23
  24 #include "qobj.h"
  25 #include "vty.h"
  26 #include "stream.h"
  27 #include "privs.h"
  28 #include "memory.h"
  29 #include "queue.h"
  30 #include "filter.h"
  31
  32 #include "bgpd/bgpd.h"
  33 #include "bgpd/bgp_open.h"
  34 #include "bgpd/bgp_debug.h"
  35 #include "bgpd/bgp_packet.h"
  36 #include "bgpd/bgp_aspath.h"
  37 #include "bgpd/bgp_network.h"
  38
  39 /* need these to link in libbgp */
  40 struct zebra_privs_t bgpd_privs = {};
  41 struct thread_master *master = NULL;
  42
  43 static struct bgp *bgp;
  44 static as_t asn = 100;
  45
  46 extern int bgp_read_packet(struct peer *peer);
  47
  48 /*
  49  * This file is intended to be used as input for some sort of
  50  * fuzzer.  Specifically I had afl in mind when I wrote
  51  * this code.
  52  */
  53 int main(int argc, char *argv[])
  54 {
  55         struct peer *peer;
  56         int i, j;
  57         struct thread t;
  58
  59         qobj_init();
  60         bgp_attr_init();
  61         master = thread_master_create(NULL);
  62         bgp_master_init(master, BGP_SOCKET_SNDBUF_SIZE, list_new());
  63         vrf_init(NULL, NULL, NULL, NULL);
  64         bgp_option_set(BGP_OPT_NO_LISTEN);
  65
  66         if (bgp_get(&bgp, &asn, NULL, BGP_INSTANCE_TYPE_DEFAULT,
  67                     NULL) < 0)
  68                 return -1;
  69
  70         peer = peer_create_accept(bgp);
  71         peer->host = (char *)"foo";
  72
  73         for (i = AFI_IP; i < AFI_MAX; i++)
  74                 for (j = SAFI_UNICAST; j < SAFI_MAX; j++) {
  75                         peer->afc[i][j] = 1;
  76                         peer->afc_adv[i][j] = 1;
  77                 }
  78
  79         SET_FLAG(peer->cap, PEER_CAP_DYNAMIC_ADV);
  80         peer->status = Established;
  81
  82         peer->fd = open(argv[1], O_RDONLY|O_NONBLOCK);
  83         t.arg = peer;
  84         peer->t_read = &t;
  85
  86         // printf("bgp_read_packet returns: %d\n", bgp_read(&t));
  87 }