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
  16   along with this program; see the file COPYING; if not, write to the
  17   Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  18   MA 02110-1301 USA
  19 */
  20
  21 #include <zebra.h>
  22
  23 #include "log.h"
  24 #include "privs.h"
  25 #include "version.h"
  26 #include <getopt.h>
  27 #include "command.h"
  28 #include "thread.h"
  29 #include <signal.h>
  30
  31 #include "memory.h"
  32 #include "vrf.h"
  33 #include "memory_vty.h"
  34 #include "filter.h"
  35 #include "vty.h"
  36 #include "sigevent.h"
  37 #include "version.h"
  38 #include "prefix.h"
  39 #include "plist.h"
  40 #include "vrf.h"
  41 #include "libfrr.h"
  42
  43 #include "pimd.h"
  44 #include "pim_version.h"
  45 #include "pim_signals.h"
  46 #include "pim_zebra.h"
  47 #include "pim_msdp.h"
  48 #include "pim_iface.h"
  49
  50 extern struct host host;
  51
  52 struct option longopts[] = {
  53   { 0 }
  54 };
  55
  56 /* pimd privileges */
  57 zebra_capabilities_t _caps_p [] =
  58 {
  59   ZCAP_NET_ADMIN,
  60   ZCAP_SYS_ADMIN,
  61   ZCAP_NET_RAW,
  62   ZCAP_BIND,
  63 };
  64
  65 /* pimd privileges to run with */
  66 struct zebra_privs_t pimd_privs =
  67 {
  68 #if defined(FRR_USER) && defined(FRR_GROUP)
  69   .user = FRR_USER,
  70   .group = FRR_GROUP,
  71 #endif
  72 #ifdef VTY_GROUP
  73   .vty_group = VTY_GROUP,
  74 #endif
  75   .caps_p = _caps_p,
  76   .cap_num_p = sizeof(_caps_p)/sizeof(_caps_p[0]),
  77   .cap_num_i = 0
  78 };
  79
  80 FRR_DAEMON_INFO(pimd, PIM,
  81         .vty_port = PIMD_VTY_PORT,
  82
  83         .proghelp = "Implementation of the PIM routing protocol.",
  84
  85         .signals = pimd_signals,
  86         .n_signals = 4 /* XXX array_size(pimd_signals) XXX*/,
  87
  88         .privs = &pimd_privs,
  89 )
  90
  91
  92 int main(int argc, char** argv, char** envp) {
  93   frr_preinit(&pimd_di, argc, argv);
  94   frr_opt_add("", longopts, "");
  95
  96   /* this while just reads the options */
  97   while (1) {
  98     int opt;
  99
 100     opt = frr_getopt(argc, argv, NULL);
 101
 102     if (opt == EOF)
 103       break;
 104
 105     switch (opt) {
 106     case 0:
 107       break;
 108     default:
 109       frr_help_exit (1);
 110       break;
 111     }
 112   }
 113
 114   master = frr_init();
 115
 116   /*
 117    * Initializations
 118    */
 119   pim_vrf_init ();
 120   access_list_init();
 121   prefix_list_init ();
 122   prefix_list_add_hook (pim_prefix_list_update);
 123   prefix_list_delete_hook (pim_prefix_list_update);
 124
 125   pim_route_map_init ();
 126   pim_init();
 127   pim_msdp_init (master);
 128
 129   /*
 130    * Initialize zclient "update" and "lookup" sockets
 131    */
 132   pim_zebra_init();
 133
 134   frr_config_fork();
 135
 136 #ifdef PIM_DEBUG_BYDEFAULT
 137   zlog_notice("PIM_DEBUG_BYDEFAULT: Enabling all debug commands");
 138   PIM_DO_DEBUG_PIM_EVENTS;
 139   PIM_DO_DEBUG_PIM_PACKETS;
 140   PIM_DO_DEBUG_PIM_TRACE;
 141   PIM_DO_DEBUG_IGMP_EVENTS;
 142   PIM_DO_DEBUG_IGMP_PACKETS;
 143   PIM_DO_DEBUG_IGMP_TRACE;
 144   PIM_DO_DEBUG_ZEBRA;
 145 #endif
 146
 147 #ifdef PIM_CHECK_RECV_IFINDEX_SANITY
 148   zlog_notice("PIM_CHECK_RECV_IFINDEX_SANITY: will match sock/recv ifindex");
 149 #ifdef PIM_REPORT_RECV_IFINDEX_MISMATCH
 150   zlog_notice("PIM_REPORT_RECV_IFINDEX_MISMATCH: will report sock/recv ifindex mismatch");
 151 #endif
 152 #endif
 153
 154 #ifdef PIM_UNEXPECTED_KERNEL_UPCALL
 155   zlog_notice("PIM_UNEXPECTED_KERNEL_UPCALL: report unexpected kernel upcall");
 156 #endif
 157
 158   frr_run(master);
 159
 160   /* never reached */
 161   return 0;
 162 }