eigrpd/eigrp_main.c

   1 /*
   2  * EIGRP Main Routine.
   3  * Copyright (C) 2013-2015
   4  * Authors:
   5  *   Donnie Savage
   6  *   Jan Janovic
   7  *   Matej Perina
   8  *   Peter Orsag
   9  *   Peter Paluch
  10  *   Frantisek Gazo
  11  *   Tomas Hvorkovy
  12  *   Martin Kontsek
  13  *   Lukas Koribsky
  14  *
  15  * This file is part of GNU Zebra.
  16  *
  17  * GNU Zebra is free software; you can redistribute it and/or modify it
  18  * under the terms of the GNU General Public License as published by the
  19  * Free Software Foundation; either version 2, or (at your option) any
  20  * later version.
  21  *
  22  * GNU Zebra is distributed in the hope that it will be useful, but
  23  * WITHOUT ANY WARRANTY; without even the implied warranty of
  24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  25  * General Public License for more details.
  26  *
  27  * You should have received a copy of the GNU General Public License along
  28  * with this program; see the file COPYING; if not, write to the Free Software
  29  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  30  */
  31 #include <zebra.h>
  32
  33 #include <lib/version.h>
  34 #include "getopt.h"
  35 #include "thread.h"
  36 #include "prefix.h"
  37 #include "linklist.h"
  38 #include "if.h"
  39 #include "vector.h"
  40 #include "vty.h"
  41 #include "command.h"
  42 #include "filter.h"
  43 #include "plist.h"
  44 #include "stream.h"
  45 #include "log.h"
  46 #include "memory.h"
  47 #include "privs.h"
  48 #include "sigevent.h"
  49 #include "zclient.h"
  50 #include "keychain.h"
  51 #include "distribute.h"
  52 #include "libfrr.h"
  53 #include "routemap.h"
  54 //#include "if_rmap.h"
  55
  56 #include "eigrpd/eigrp_structs.h"
  57 #include "eigrpd/eigrpd.h"
  58 #include "eigrpd/eigrp_dump.h"
  59 #include "eigrpd/eigrp_interface.h"
  60 #include "eigrpd/eigrp_neighbor.h"
  61 #include "eigrpd/eigrp_packet.h"
  62 #include "eigrpd/eigrp_vty.h"
  63 #include "eigrpd/eigrp_zebra.h"
  64 #include "eigrpd/eigrp_network.h"
  65 #include "eigrpd/eigrp_snmp.h"
  66 #include "eigrpd/eigrp_filter.h"
  67 //#include "eigrpd/eigrp_routemap.h"
  68
  69 /* eigprd privileges */
  70 zebra_capabilities_t _caps_p[] = {
  71         ZCAP_NET_RAW, ZCAP_BIND, ZCAP_NET_ADMIN,
  72 };
  73
  74 struct zebra_privs_t eigrpd_privs = {
  75 #if defined(FRR_USER) && defined(FRR_GROUP)
  76         .user = FRR_USER,
  77         .group = FRR_GROUP,
  78 #endif
  79 #if defined(VTY_GROUP)
  80         .vty_group = VTY_GROUP,
  81 #endif
  82         .caps_p = _caps_p,
  83         .cap_num_p = array_size(_caps_p),
  84         .cap_num_i = 0};
  85
  86 /* EIGRPd options. */
  87 struct option longopts[] = {{0}};
  88
  89 /* Master of threads. */
  90 struct thread_master *master;
  91
  92 /* SIGHUP handler. */
  93 static void sighup(void)
  94 {
  95         zlog_info("SIGHUP received");
  96 }
  97
  98 /* SIGINT / SIGTERM handler. */
  99 static void sigint(void)
 100 {
 101         zlog_notice("Terminating on signal");
 102         eigrp_terminate();
 103
 104         exit(0);
 105 }
 106
 107 /* SIGUSR1 handler. */
 108 static void sigusr1(void)
 109 {
 110         zlog_rotate();
 111 }
 112
 113 struct quagga_signal_t eigrp_signals[] = {
 114         {
 115                 .signal = SIGHUP,
 116                 .handler = &sighup,
 117         },
 118         {
 119                 .signal = SIGUSR1,
 120                 .handler = &sigusr1,
 121         },
 122         {
 123                 .signal = SIGINT,
 124                 .handler = &sigint,
 125         },
 126         {
 127                 .signal = SIGTERM,
 128                 .handler = &sigint,
 129         },
 130 };
 131
 132 FRR_DAEMON_INFO(eigrpd, EIGRP, .vty_port = EIGRP_VTY_PORT,
 133
 134                 .proghelp = "Implementation of the EIGRP routing protocol.",
 135
 136                 .signals = eigrp_signals,
 137                 .n_signals = array_size(eigrp_signals),
 138
 139                 .privs = &eigrpd_privs, )
 140
 141 /* EIGRPd main routine. */
 142 int main(int argc, char **argv, char **envp)
 143 {
 144         frr_preinit(&eigrpd_di, argc, argv);
 145         frr_opt_add("", longopts, "");
 146
 147         while (1) {
 148                 int opt;
 149
 150                 opt = frr_getopt(argc, argv, NULL);
 151
 152                 if (opt == EOF)
 153                         break;
 154
 155                 switch (opt) {
 156                 case 0:
 157                         break;
 158                 default:
 159                         frr_help_exit(1);
 160                         break;
 161                 }
 162         }
 163
 164         eigrp_sw_version_initialize();
 165
 166         /* EIGRP master init. */
 167         eigrp_master_init();
 168         eigrp_om->master = frr_init();
 169         master = eigrp_om->master;
 170
 171         vrf_init(NULL, NULL, NULL, NULL);
 172
 173         /*EIGRPd init*/
 174         eigrp_if_init();
 175         eigrp_zebra_init();
 176         eigrp_debug_init();
 177
 178         /* Get configuration file. */
 179         /* EIGRP VTY inits */
 180         eigrp_vty_init();
 181         keychain_init();
 182         eigrp_vty_show_init();
 183         eigrp_vty_if_init();
 184
 185 #ifdef HAVE_SNMP
 186         eigrp_snmp_init();
 187 #endif /* HAVE_SNMP */
 188
 189         /* Access list install. */
 190         access_list_init();
 191         access_list_add_hook(eigrp_distribute_update_all_wrapper);
 192         access_list_delete_hook(eigrp_distribute_update_all_wrapper);
 193
 194         /* Prefix list initialize.*/
 195         prefix_list_init();
 196         prefix_list_add_hook(eigrp_distribute_update_all);
 197         prefix_list_delete_hook(eigrp_distribute_update_all);
 198
 199         /*
 200          * XXX: This is just to get the CLI installed to suppress VTYSH errors.
 201          * Routemaps in EIGRP are not yet functional.
 202          */
 203         route_map_init();
 204         /*eigrp_route_map_init();
 205           route_map_add_hook (eigrp_rmap_update);
 206           route_map_delete_hook (eigrp_rmap_update);*/
 207         /*if_rmap_init (EIGRP_NODE);
 208           if_rmap_hook_add (eigrp_if_rmap_update);
 209           if_rmap_hook_delete (eigrp_if_rmap_update);*/
 210
 211         /* Distribute list install. */
 212         distribute_list_init(EIGRP_NODE);
 213         distribute_list_add_hook(eigrp_distribute_update);
 214         distribute_list_delete_hook(eigrp_distribute_update);
 215
 216         frr_config_fork();
 217         frr_run(master);
 218
 219         /* Not reached. */
 220         return (0);
 221 }