pimd/pim_main.c

   1 /*
   2  * PIM for Quagga
   3  * Copyright (C) 2008  Everton da Silva Marques
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; see the file COPYING; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  18  */
  19
  20 #include <zebra.h>
  21
  22 #include "log.h"
  23 #include "privs.h"
  24 #include "version.h"
  25 #include <getopt.h>
  26 #include "command.h"
  27 #include "thread.h"
  28 #include <signal.h>
  29
  30 #include "memory.h"
  31 #include "vrf.h"
  32 #include "memory_vty.h"
  33 #include "filter.h"
  34 #include "vty.h"
  35 #include "sigevent.h"
  36 #include "version.h"
  37 #include "prefix.h"
  38 #include "plist.h"
  39 #include "vrf.h"
  40 #include "libfrr.h"
  41
  42 #include "pimd.h"
  43 #include "pim_version.h"
  44 #include "pim_signals.h"
  45 #include "pim_zebra.h"
  46 #include "pim_msdp.h"
  47 #include "pim_iface.h"
  48
  49 extern struct host host;
  50
  51 struct option longopts[] = {
  52   { 0 }
  53 };
  54
  55 /* pimd privileges */
  56 zebra_capabilities_t _caps_p [] =
  57 {
  58   ZCAP_NET_ADMIN,
  59   ZCAP_SYS_ADMIN,
  60   ZCAP_NET_RAW,
  61   ZCAP_BIND,
  62 };
  63
  64 /* pimd privileges to run with */
  65 struct zebra_privs_t pimd_privs =
  66 {
  67 #if defined(FRR_USER) && defined(FRR_GROUP)
  68   .user = FRR_USER,
  69   .group = FRR_GROUP,
  70 #endif
  71 #ifdef VTY_GROUP
  72   .vty_group = VTY_GROUP,
  73 #endif
  74   .caps_p = _caps_p,
  75   .cap_num_p = sizeof(_caps_p)/sizeof(_caps_p[0]),
  76   .cap_num_i = 0
  77 };
  78
  79 FRR_DAEMON_INFO(pimd, PIM,
  80         .vty_port = PIMD_VTY_PORT,
  81
  82         .proghelp = "Implementation of the PIM routing protocol.",
  83
  84         .signals = pimd_signals,
  85         .n_signals = 4 /* XXX array_size(pimd_signals) XXX*/,
  86
  87         .privs = &pimd_privs,
  88 )
  89
  90
  91 int main(int argc, char** argv, char** envp) {
  92   frr_preinit(&pimd_di, argc, argv);
  93   frr_opt_add("", longopts, "");
  94
  95   /* this while just reads the options */
  96   while (1) {
  97     int opt;
  98
  99     opt = frr_getopt(argc, argv, NULL);
 100
 101     if (opt == EOF)
 102       break;
 103
 104     switch (opt) {
 105     case 0:
 106       break;
 107     default:
 108       frr_help_exit (1);
 109       break;
 110     }
 111   }
 112
 113   master = frr_init();
 114
 115   /*
 116    * Initializations
 117    */
 118   pim_vrf_init ();
 119   access_list_init();
 120   prefix_list_init ();
 121   prefix_list_add_hook (pim_prefix_list_update);
 122   prefix_list_delete_hook (pim_prefix_list_update);
 123
 124   pim_route_map_init ();
 125   pim_init();
 126   pim_msdp_init (master);
 127
 128   /*
 129    * Initialize zclient "update" and "lookup" sockets
 130    */
 131   pim_zebra_init();
 132
 133   frr_config_fork();
 134
 135 #ifdef PIM_DEBUG_BYDEFAULT
 136   zlog_notice("PIM_DEBUG_BYDEFAULT: Enabling all debug commands");
 137   PIM_DO_DEBUG_PIM_EVENTS;
 138   PIM_DO_DEBUG_PIM_PACKETS;
 139   PIM_DO_DEBUG_PIM_TRACE;
 140   PIM_DO_DEBUG_IGMP_EVENTS;
 141   PIM_DO_DEBUG_IGMP_PACKETS;
 142   PIM_DO_DEBUG_IGMP_TRACE;
 143   PIM_DO_DEBUG_ZEBRA;
 144 #endif
 145
 146 #ifdef PIM_CHECK_RECV_IFINDEX_SANITY
 147   zlog_notice("PIM_CHECK_RECV_IFINDEX_SANITY: will match sock/recv ifindex");
 148 #ifdef PIM_REPORT_RECV_IFINDEX_MISMATCH
 149   zlog_notice("PIM_REPORT_RECV_IFINDEX_MISMATCH: will report sock/recv ifindex mismatch");
 150 #endif
 151 #endif
 152
 153 #ifdef PIM_UNEXPECTED_KERNEL_UPCALL
 154   zlog_notice("PIM_UNEXPECTED_KERNEL_UPCALL: report unexpected kernel upcall");
 155 #endif
 156
 157   frr_run(master);
 158
 159   /* never reached */
 160   return 0;
 161 }