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,
  57         ZCAP_SYS_ADMIN,
  58         ZCAP_NET_RAW,
  59         ZCAP_BIND,
  60 };
  61
  62 /* pimd privileges to run with */
  63 struct zebra_privs_t pimd_privs = {
  64 #if defined(FRR_USER) && defined(FRR_GROUP)
  65         .user = FRR_USER,
  66         .group = FRR_GROUP,
  67 #endif
  68 #ifdef VTY_GROUP
  69         .vty_group = VTY_GROUP,
  70 #endif
  71         .caps_p = _caps_p,
  72         .cap_num_p = sizeof(_caps_p) / sizeof(_caps_p[0]),
  73         .cap_num_i = 0};
  74
  75 FRR_DAEMON_INFO(pimd, PIM, .vty_port = PIMD_VTY_PORT,
  76
  77                 .proghelp = "Implementation of the PIM routing protocol.",
  78
  79                 .signals = pimd_signals,
  80                 .n_signals = 4 /* XXX array_size(pimd_signals) XXX*/,
  81
  82                 .privs = &pimd_privs, )
  83
  84
  85 int main(int argc, char **argv, char **envp)
  86 {
  87         frr_preinit(&pimd_di, argc, argv);
  88         frr_opt_add("", longopts, "");
  89
  90         /* this while just reads the options */
  91         while (1) {
  92                 int opt;
  93
  94                 opt = frr_getopt(argc, argv, NULL);
  95
  96                 if (opt == EOF)
  97                         break;
  98
  99                 switch (opt) {
 100                 case 0:
 101                         break;
 102                 default:
 103                         frr_help_exit(1);
 104                         break;
 105                 }
 106         }
 107
 108         master = frr_init();
 109
 110         /*
 111          * Initializations
 112          */
 113         pim_vrf_init();
 114         access_list_init();
 115         prefix_list_init();
 116         prefix_list_add_hook(pim_prefix_list_update);
 117         prefix_list_delete_hook(pim_prefix_list_update);
 118
 119         pim_route_map_init();
 120         pim_init();
 121         pim_msdp_init(master);
 122
 123         /*
 124          * Initialize zclient "update" and "lookup" sockets
 125          */
 126         pim_zebra_init();
 127         pim_bfd_init();
 128
 129         frr_config_fork();
 130
 131 #ifdef PIM_DEBUG_BYDEFAULT
 132         zlog_notice("PIM_DEBUG_BYDEFAULT: Enabling all debug commands");
 133         PIM_DO_DEBUG_PIM_EVENTS;
 134         PIM_DO_DEBUG_PIM_PACKETS;
 135         PIM_DO_DEBUG_PIM_TRACE;
 136         PIM_DO_DEBUG_IGMP_EVENTS;
 137         PIM_DO_DEBUG_IGMP_PACKETS;
 138         PIM_DO_DEBUG_IGMP_TRACE;
 139         PIM_DO_DEBUG_ZEBRA;
 140 #endif
 141
 142 #ifdef PIM_CHECK_RECV_IFINDEX_SANITY
 143         zlog_notice(
 144                 "PIM_CHECK_RECV_IFINDEX_SANITY: will match sock/recv ifindex");
 145 #ifdef PIM_REPORT_RECV_IFINDEX_MISMATCH
 146         zlog_notice(
 147                 "PIM_REPORT_RECV_IFINDEX_MISMATCH: will report sock/recv ifindex mismatch");
 148 #endif
 149 #endif
 150
 151 #ifdef PIM_UNEXPECTED_KERNEL_UPCALL
 152         zlog_notice(
 153                 "PIM_UNEXPECTED_KERNEL_UPCALL: report unexpected kernel upcall");
 154 #endif
 155
 156         frr_run(master);
 157
 158         /* never reached */
 159         return 0;
 160 }