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/*
PIM for Quagga
Copyright (C) 2008 Everton da Silva Marques
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING; if not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301 USA
$QuaggaId: $Format:%an, %ai, %h$ $
*/
#include <zebra.h>
#include "log.h"
#include "privs.h"
#include "version.h"
#include <getopt.h>
#include "command.h"
#include "thread.h"
#include <signal.h>
#include "memory.h"
#include "filter.h"
#include "vty.h"
#include "sigevent.h"
#include "version.h"
#include "prefix.h"
#include "plist.h"
#include "vrf.h"
#include "pimd.h"
#include "pim_version.h"
#include "pim_signals.h"
#include "pim_zebra.h"
#ifdef PIM_ZCLIENT_DEBUG
extern int zclient_debug;
#endif
extern struct host host;
char config_default[] = SYSCONFDIR PIMD_DEFAULT_CONFIG;
struct option longopts[] = {
{ "daemon", no_argument, NULL, 'd'},
{ "config_file", required_argument, NULL, 'f'},
{ "pid_file", required_argument, NULL, 'i'},
{ "vty_addr", required_argument, NULL, 'A'},
{ "vty_port", required_argument, NULL, 'P'},
{ "version", no_argument, NULL, 'v'},
{ "debug_zclient", no_argument, NULL, 'Z'},
{ "help", no_argument, NULL, 'h'},
{ 0 }
};
/* pimd privileges */
zebra_capabilities_t _caps_p [] =
{
ZCAP_NET_ADMIN,
ZCAP_SYS_ADMIN,
ZCAP_NET_RAW,
};
/* pimd privileges to run with */
struct zebra_privs_t pimd_privs =
{
#if defined(QUAGGA_USER) && defined(QUAGGA_GROUP)
.user = QUAGGA_USER,
.group = QUAGGA_GROUP,
#endif
#ifdef VTY_GROUP
.vty_group = VTY_GROUP,
#endif
.caps_p = _caps_p,
.cap_num_p = sizeof(_caps_p)/sizeof(_caps_p[0]),
.cap_num_i = 0
};
char* progname;
const char *pid_file = PATH_PIMD_PID;
static void usage(int status)
{
if (status != 0)
fprintf (stderr, "Try `%s --help' for more information.\n", progname);
else {
printf ("Usage : %s [OPTION...]\n\
Daemon which manages PIM.\n\n\
-d, --daemon Run in daemon mode\n\
-f, --config_file Set configuration file name\n\
-i, --pid_file Set process identifier file name\n\
-z, --socket Set path of zebra socket\n\
-A, --vty_addr Set vty's bind address\n\
-P, --vty_port Set vty's port number\n\
-v, --version Print program version\n\
"
#ifdef PIM_ZCLIENT_DEBUG
"\
-Z, --debug_zclient Enable zclient debugging\n\
"
#endif
"\
-h, --help Display this help and exit\n\
\n\
Report bugs to %s\n", progname, PIMD_BUG_ADDRESS);
}
exit (status);
}
int main(int argc, char** argv, char** envp) {
char *p;
char *vty_addr = NULL;
int vty_port = -1;
int daemon_mode = 0;
char *config_file = NULL;
char *zebra_sock_path = NULL;
struct thread thread;
umask(0027);
progname = ((p = strrchr(argv[0], '/')) ? ++p : argv[0]);
zlog_default = openzlog(progname, ZLOG_PIM, 0,
LOG_CONS|LOG_NDELAY|LOG_PID, LOG_DAEMON);
zprivs_init (&pimd_privs);
zlog_set_file (NULL, LOG_DEFAULT_FILENAME, zlog_default->default_lvl);
/* this while just reads the options */
while (1) {
int opt;
opt = getopt_long (argc, argv, "df:i:z:A:P:vZh", longopts, 0);
if (opt == EOF)
break;
switch (opt) {
case 0:
break;
case 'd':
daemon_mode = 1;
break;
case 'f':
config_file = optarg;
break;
case 'i':
pid_file = optarg;
break;
case 'z':
zebra_sock_path = optarg;
break;
case 'A':
vty_addr = optarg;
break;
case 'P':
vty_port = atoi (optarg);
break;
case 'v':
printf(PIMD_PROGNAME " version %s\n", PIMD_VERSION);
print_version(QUAGGA_PROGNAME);
exit (0);
break;
#ifdef PIM_ZCLIENT_DEBUG
case 'Z':
zclient_debug = 1;
break;
#endif
case 'h':
usage (0);
break;
default:
usage (1);
break;
}
}
master = thread_master_create();
zlog_notice("Quagga %s " PIMD_PROGNAME " %s starting",
QUAGGA_VERSION, PIMD_VERSION);
/*
* Initializations
*/
pim_signals_init();
cmd_init(1);
vty_init(master);
memory_init();
vrf_init ();
access_list_init();
prefix_list_init ();
pim_route_map_init ();
pim_init();
/*
* Initialize zclient "update" and "lookup" sockets
*/
pim_zebra_init(zebra_sock_path);
zlog_notice("Loading configuration - begin");
/* Get configuration file. */
vty_read_config(config_file, config_default);
/*
Starting from here zlog_* functions will log according configuration
*/
zlog_notice("Loading configuration - end");
/* Change to the daemon program. */
if (daemon_mode) {
if (daemon(0, 0)) {
zlog_warn("failed to daemonize");
}
}
/* Process ID file creation. */
pid_output(pid_file);
/* Create pimd VTY socket */
if (vty_port < 0)
vty_port = PIMD_VTY_PORT;
vty_serv_sock(vty_addr, vty_port, PIM_VTYSH_PATH);
zlog_notice("Quagga %s " PIMD_PROGNAME " %s starting, VTY interface at port TCP %d",
QUAGGA_VERSION, PIMD_VERSION, vty_port);
#ifdef PIM_DEBUG_BYDEFAULT
zlog_notice("PIM_DEBUG_BYDEFAULT: Enabling all debug commands");
PIM_DO_DEBUG_PIM_EVENTS;
PIM_DO_DEBUG_PIM_PACKETS;
PIM_DO_DEBUG_PIM_TRACE;
PIM_DO_DEBUG_IGMP_EVENTS;
PIM_DO_DEBUG_IGMP_PACKETS;
PIM_DO_DEBUG_IGMP_TRACE;
PIM_DO_DEBUG_ZEBRA;
#endif
#ifdef PIM_ZCLIENT_DEBUG
zlog_notice("PIM_ZCLIENT_DEBUG: zclient debugging is supported, mode is %s (see option -Z)",
zclient_debug ? "ON" : "OFF");
#endif
#ifdef PIM_CHECK_RECV_IFINDEX_SANITY
zlog_notice("PIM_CHECK_RECV_IFINDEX_SANITY: will match sock/recv ifindex");
#ifdef PIM_REPORT_RECV_IFINDEX_MISMATCH
zlog_notice("PIM_REPORT_RECV_IFINDEX_MISMATCH: will report sock/recv ifindex mismatch");
#endif
#endif
#ifdef PIM_UNEXPECTED_KERNEL_UPCALL
zlog_notice("PIM_UNEXPECTED_KERNEL_UPCALL: report unexpected kernel upcall");
#endif
#ifdef HAVE_CLOCK_MONOTONIC
zlog_notice("HAVE_CLOCK_MONOTONIC");
#else
zlog_notice("!HAVE_CLOCK_MONOTONIC");
#endif
while (thread_fetch(master, &thread))
thread_call(&thread);
zlog_err("%s %s: thread_fetch() returned NULL, exiting",
__FILE__, __PRETTY_FUNCTION__);
/* never reached */
return 0;
}
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