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_instance.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 #include "pim_bfd.h"
  50 #include "pim_errors.h"
  51
  52 extern struct host host;
  53
  54 struct option longopts[] = {{0}};
  55
  56 /* pimd privileges */
  57 zebra_capabilities_t _caps_p[] = {
  58         ZCAP_NET_ADMIN, ZCAP_SYS_ADMIN, ZCAP_NET_RAW, ZCAP_BIND,
  59 };
  60
  61 /* pimd privileges to run with */
  62 struct zebra_privs_t pimd_privs = {
  63 #if defined(FRR_USER) && defined(FRR_GROUP)
  64         .user = FRR_USER,
  65         .group = FRR_GROUP,
  66 #endif
  67 #ifdef VTY_GROUP
  68         .vty_group = VTY_GROUP,
  69 #endif
  70         .caps_p = _caps_p,
  71         .cap_num_p = sizeof(_caps_p) / sizeof(_caps_p[0]),
  72         .cap_num_i = 0};
  73
  74 static const struct frr_yang_module_info *pimd_yang_modules[] = {
  75         &frr_interface_info,
  76 };
  77
  78 FRR_DAEMON_INFO(pimd, PIM, .vty_port = PIMD_VTY_PORT,
  79
  80                 .proghelp = "Implementation of the PIM routing protocol.",
  81
  82                 .signals = pimd_signals,
  83                 .n_signals = 4 /* XXX array_size(pimd_signals) XXX*/,
  84
  85                 .privs = &pimd_privs, .yang_modules = pimd_yang_modules,
  86                 .n_yang_modules = array_size(pimd_yang_modules), )
  87
  88
  89 int main(int argc, char **argv, char **envp)
  90 {
  91         frr_preinit(&pimd_di, argc, argv);
  92         frr_opt_add("", longopts, "");
  93
  94         /* this while just reads the options */
  95         while (1) {
  96                 int opt;
  97
  98                 opt = frr_getopt(argc, argv, NULL);
  99
 100                 if (opt == EOF)
 101                         break;
 102
 103                 switch (opt) {
 104                 case 0:
 105                         break;
 106                 default:
 107                         frr_help_exit(1);
 108                         break;
 109                 }
 110         }
 111
 112         master = frr_init();
 113
 114         /*
 115          * Initializations
 116          */
 117         pim_error_init();
 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
 127         /*
 128          * Initialize zclient "update" and "lookup" sockets
 129          */
 130         pim_zebra_init();
 131         pim_bfd_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(
 148                 "PIM_CHECK_RECV_IFINDEX_SANITY: will match sock/recv ifindex");
 149 #ifdef PIM_REPORT_RECV_IFINDEX_MISMATCH
 150         zlog_notice(
 151                 "PIM_REPORT_RECV_IFINDEX_MISMATCH: will report sock/recv ifindex mismatch");
 152 #endif
 153 #endif
 154
 155 #ifdef PIM_UNEXPECTED_KERNEL_UPCALL
 156         zlog_notice(
 157                 "PIM_UNEXPECTED_KERNEL_UPCALL: report unexpected kernel upcall");
 158 #endif
 159
 160         frr_run(master);
 161
 162         /* never reached */
 163         return 0;
 164 }