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 #include "pim_bfd.h"
  49
  50 extern struct host host;
  51
  52 struct option longopts[] = {{0}};
  53
  54 /* pimd privileges */
  55 zebra_capabilities_t _caps_p[] = {
  56         ZCAP_NET_ADMIN, ZCAP_SYS_ADMIN, ZCAP_NET_RAW, ZCAP_BIND,
  57 };
  58
  59 /* pimd privileges to run with */
  60 struct zebra_privs_t pimd_privs = {
  61 #if defined(FRR_USER) && defined(FRR_GROUP)
  62         .user = FRR_USER,
  63         .group = FRR_GROUP,
  64 #endif
  65 #ifdef VTY_GROUP
  66         .vty_group = VTY_GROUP,
  67 #endif
  68         .caps_p = _caps_p,
  69         .cap_num_p = sizeof(_caps_p) / sizeof(_caps_p[0]),
  70         .cap_num_i = 0};
  71
  72 FRR_DAEMON_INFO(pimd, PIM, .vty_port = PIMD_VTY_PORT,
  73
  74                 .proghelp = "Implementation of the PIM routing protocol.",
  75
  76                 .signals = pimd_signals,
  77                 .n_signals = 4 /* XXX array_size(pimd_signals) XXX*/,
  78
  79                 .privs = &pimd_privs, )
  80
  81
  82 int main(int argc, char **argv, char **envp)
  83 {
  84         frr_preinit(&pimd_di, argc, argv);
  85         frr_opt_add("", longopts, "");
  86
  87         /* this while just reads the options */
  88         while (1) {
  89                 int opt;
  90
  91                 opt = frr_getopt(argc, argv, NULL);
  92
  93                 if (opt == EOF)
  94                         break;
  95
  96                 switch (opt) {
  97                 case 0:
  98                         break;
  99                 default:
 100                         frr_help_exit(1);
 101                         break;
 102                 }
 103         }
 104
 105         master = frr_init();
 106
 107         /*
 108          * Initializations
 109          */
 110         pim_vrf_init();
 111         access_list_init();
 112         prefix_list_init();
 113         prefix_list_add_hook(pim_prefix_list_update);
 114         prefix_list_delete_hook(pim_prefix_list_update);
 115
 116         pim_route_map_init();
 117         pim_init();
 118         pim_msdp_init(master);
 119
 120         /*
 121          * Initialize zclient "update" and "lookup" sockets
 122          */
 123         pim_zebra_init();
 124         pim_bfd_init();
 125
 126         frr_config_fork();
 127
 128 #ifdef PIM_DEBUG_BYDEFAULT
 129         zlog_notice("PIM_DEBUG_BYDEFAULT: Enabling all debug commands");
 130         PIM_DO_DEBUG_PIM_EVENTS;
 131         PIM_DO_DEBUG_PIM_PACKETS;
 132         PIM_DO_DEBUG_PIM_TRACE;
 133         PIM_DO_DEBUG_IGMP_EVENTS;
 134         PIM_DO_DEBUG_IGMP_PACKETS;
 135         PIM_DO_DEBUG_IGMP_TRACE;
 136         PIM_DO_DEBUG_ZEBRA;
 137 #endif
 138
 139 #ifdef PIM_CHECK_RECV_IFINDEX_SANITY
 140         zlog_notice(
 141                 "PIM_CHECK_RECV_IFINDEX_SANITY: will match sock/recv ifindex");
 142 #ifdef PIM_REPORT_RECV_IFINDEX_MISMATCH
 143         zlog_notice(
 144                 "PIM_REPORT_RECV_IFINDEX_MISMATCH: will report sock/recv ifindex mismatch");
 145 #endif
 146 #endif
 147
 148 #ifdef PIM_UNEXPECTED_KERNEL_UPCALL
 149         zlog_notice(
 150                 "PIM_UNEXPECTED_KERNEL_UPCALL: report unexpected kernel upcall");
 151 #endif
 152
 153         frr_run(master);
 154
 155         /* never reached */
 156         return 0;
 157 }