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/*
* OSPFd main routine.
* Copyright (C) 1998, 99 Kunihiro Ishiguro, Toshiaki Takada
*
* This file is part of GNU Zebra.
*
* GNU Zebra 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, or (at your option) any
* later version.
*
* GNU Zebra 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 GNU Zebra; see the file COPYING. If not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include <zebra.h>
#include <lib/version.h>
#include "getopt.h"
#include "thread.h"
#include "prefix.h"
#include "linklist.h"
#include "if.h"
#include "vector.h"
#include "vty.h"
#include "command.h"
#include "filter.h"
#include "plist.h"
#include "stream.h"
#include "log.h"
#include "memory.h"
#include "privs.h"
#include "debug.h"
#include "sigevent.h"
#include "ospfd/ospfd.h"
#include "ospfd/ospf_interface.h"
#include "ospfd/ospf_asbr.h"
#include "ospfd/ospf_lsa.h"
#include "ospfd/ospf_lsdb.h"
#include "ospfd/ospf_neighbor.h"
#include "ospfd/ospf_dump.h"
#include "ospfd/ospf_zebra.h"
#include "ospfd/ospf_vty.h"
/* ospfd privileges */
zebra_capabilities_t _caps_p [] =
{
ZCAP_RAW,
ZCAP_BIND,
ZCAP_BROADCAST,
ZCAP_ADMIN,
};
struct zebra_privs_t ospfd_privs =
{
#if defined(QUAGGA_USER) && defined(QUAGGA_GROUP)
.user = QUAGGA_USER,
.group = QUAGGA_GROUP,
#endif
#if defined(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
};
/* Configuration filename and directory. */
char config_default[] = SYSCONFDIR OSPF_DEFAULT_CONFIG;
/* OSPFd options. */
struct option longopts[] =
{
{ "daemon", no_argument, NULL, 'd'},
{ "config_file", required_argument, NULL, 'f'},
{ "pid_file", required_argument, NULL, 'i'},
{ "log_mode", no_argument, NULL, 'l'},
{ "help", no_argument, NULL, 'h'},
{ "vty_addr", required_argument, NULL, 'A'},
{ "vty_port", required_argument, NULL, 'P'},
{ "user", required_argument, NULL, 'u'},
{ "apiserver", no_argument, NULL, 'a'},
{ "version", no_argument, NULL, 'v'},
{ 0 }
};
/* OSPFd program name */
/* Master of threads. */
struct thread_master *master;
/* Process ID saved for use by init system */
const char *pid_file = PATH_OSPFD_PID;
extern int ospf_apiserver_enable;
/* Help information display. */
static void
usage (char *progname, int status)
{
if (status != 0)
fprintf (stderr, "Try `%s --help' for more information.\n", progname);
else
{
printf ("Usage : %s [OPTION...]\n\
Daemon which manages OSPF.\n\n\
-d, --daemon Runs in daemon mode\n\
-f, --config_file Set configuration file name\n\
-i, --pid_file Set process identifier file name\n\
-A, --vty_addr Set vty's bind address\n\
-P, --vty_port Set vty's port number\n\
-u, --user User and group to run as\n\
-a. --apiserver Enable OSPF apiserver\n\
-v, --version Print program version\n\
-h, --help Display this help and exit\n\
\n\
Report bugs to %s\n", progname, ZEBRA_BUG_ADDRESS);
}
exit (status);
}
/* SIGHUP handler. */
void
sighup (void)
{
zlog (NULL, LOG_INFO, "SIGHUP received");
}
/* SIGINT handler. */
void
sigint (void)
{
zlog (NULL, LOG_INFO, "Terminating on signal");
ospf_terminate ();
exit (0);
}
/* SIGUSR1 handler. */
void
sigusr1 (void)
{
zlog_rotate (NULL);
}
struct quagga_signal_t ospf_signals[] =
{
{
.signal = SIGHUP,
.handler = &sighup,
},
{
.signal = SIGUSR1,
.handler = &sigusr1,
},
{
.signal = SIGINT,
.handler = &sigint,
},
{
.signal = SIGTERM,
.handler = &sigint,
},
};
/* OSPFd main routine. */
int
main (int argc, char **argv)
{
char *p;
char *vty_addr = NULL;
int vty_port = OSPF_VTY_PORT;
int daemon_mode = 0;
char *config_file = NULL;
char *progname;
struct thread thread;
/* Set umask before anything for security */
umask (0027);
/* get program name */
progname = ((p = strrchr (argv[0], '/')) ? ++p : argv[0]);
/* Invoked by a priviledged user? -- endo. */
if (geteuid () != 0)
{
errno = EPERM;
perror (progname);
exit (1);
}
zlog_default = openzlog (progname, ZLOG_NOLOG, ZLOG_OSPF,
LOG_CONS|LOG_NDELAY|LOG_PID, LOG_DAEMON);
/* OSPF master init. */
ospf_master_init ();
/* OSPF apiserver is disabled by default. */
ospf_apiserver_enable = 0;
while (1)
{
int opt;
opt = getopt_long (argc, argv, "dlf:i:hA:P:u:av", longopts, 0);
if (opt == EOF)
break;
switch (opt)
{
case 0:
break;
case 'd':
daemon_mode = 1;
break;
case 'f':
config_file = optarg;
break;
case 'A':
vty_addr = optarg;
break;
case 'i':
pid_file = optarg;
break;
case 'P':
/* Deal with atoi() returning 0 on failure, and ospfd not
listening on ospfd port... */
if (strcmp(optarg, "0") == 0)
{
vty_port = 0;
break;
}
vty_port = atoi (optarg);
vty_port = (vty_port ? vty_port : OSPF_VTY_PORT);
break;
case 'u':
ospfd_privs.group = ospfd_privs.user = optarg;
break;
case 'a':
ospf_apiserver_enable = 1;
break;
case 'v':
print_version (progname);
exit (0);
break;
case 'h':
usage (progname, 0);
break;
default:
usage (progname, 1);
break;
}
}
/* Initializations. */
master = om->master;
/* Library inits. */
zprivs_init (&ospfd_privs);
signal_init (master, Q_SIGC(ospf_signals), ospf_signals);
cmd_init (1);
debug_init ();
vty_init (master);
memory_init ();
access_list_init ();
prefix_list_init ();
/* OSPFd inits. */
ospf_if_init ();
ospf_zebra_init ();
/* OSPF vty inits. */
ospf_vty_init ();
ospf_vty_show_init ();
ospf_route_map_init ();
#ifdef HAVE_SNMP
ospf_snmp_init ();
#endif /* HAVE_SNMP */
#ifdef HAVE_OPAQUE_LSA
ospf_opaque_init ();
#endif /* HAVE_OPAQUE_LSA */
sort_node ();
/* Get configuration file. */
vty_read_config (config_file, config_default);
/* Change to the daemon program. */
if (daemon_mode)
daemon (0, 0);
/* Process id file create. */
pid_output (pid_file);
/* Create VTY socket */
vty_serv_sock (vty_addr, vty_port, OSPF_VTYSH_PATH);
#ifdef DEBUG
/* Print banner. */
zlog (NULL, LOG_INFO, "OSPFd (%s) starts", QUAGGA_VERSION);
#endif
/* Fetch next active thread. */
while (thread_fetch (master, &thread))
thread_call (&thread);
/* Not reached. */
exit (0);
}
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