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Commit | Line | Data |
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718e3744 | 1 | /* Main routine of bgpd. |
2 | Copyright (C) 1996, 97, 98, 1999 Kunihiro Ishiguro | |
3 | ||
4 | This file is part of GNU Zebra. | |
5 | ||
6 | GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU General Public License as published by the | |
8 | Free Software Foundation; either version 2, or (at your option) any | |
9 | later version. | |
10 | ||
11 | GNU Zebra is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Zebra; see the file COPYING. If not, write to the Free | |
18 | Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | 02111-1307, USA. */ | |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | #include "vector.h" | |
718e3744 | 24 | #include "command.h" |
25 | #include "getopt.h" | |
26 | #include "thread.h" | |
5e4fa164 | 27 | #include <lib/version.h> |
718e3744 | 28 | #include "memory.h" |
fc7948fa | 29 | #include "memory_vty.h" |
718e3744 | 30 | #include "prefix.h" |
31 | #include "log.h" | |
edd7c245 | 32 | #include "privs.h" |
2d75d052 | 33 | #include "sigevent.h" |
228da428 CC |
34 | #include "zclient.h" |
35 | #include "routemap.h" | |
36 | #include "filter.h" | |
37 | #include "plist.h" | |
8196f13d | 38 | #include "stream.h" |
3f9c7369 | 39 | #include "queue.h" |
6a69b354 | 40 | #include "vrf.h" |
567b877d | 41 | #include "bfd.h" |
ff1c42fb | 42 | #include "sockopt.h" |
718e3744 | 43 | |
44 | #include "bgpd/bgpd.h" | |
45 | #include "bgpd/bgp_attr.h" | |
b2f0fa55 | 46 | #include "bgpd/bgp_route.h" |
718e3744 | 47 | #include "bgpd/bgp_mplsvpn.h" |
228da428 CC |
48 | #include "bgpd/bgp_aspath.h" |
49 | #include "bgpd/bgp_dump.h" | |
50 | #include "bgpd/bgp_route.h" | |
51 | #include "bgpd/bgp_nexthop.h" | |
52 | #include "bgpd/bgp_regex.h" | |
53 | #include "bgpd/bgp_clist.h" | |
54 | #include "bgpd/bgp_debug.h" | |
55 | #include "bgpd/bgp_filter.h" | |
8196f13d | 56 | #include "bgpd/bgp_zebra.h" |
718e3744 | 57 | |
65efcfce | 58 | #ifdef ENABLE_BGP_VNC |
f8b6f499 | 59 | #include "bgpd/rfapi/rfapi_backend.h" |
65efcfce LB |
60 | #endif |
61 | ||
718e3744 | 62 | /* bgpd options, we use GNU getopt library. */ |
98bd8260 | 63 | #define OPTION_VTYSOCK 1000 |
372b3c70 | 64 | static const struct option longopts[] = |
718e3744 | 65 | { |
66 | { "daemon", no_argument, NULL, 'd'}, | |
67 | { "config_file", required_argument, NULL, 'f'}, | |
68 | { "pid_file", required_argument, NULL, 'i'}, | |
b5114685 | 69 | { "socket", required_argument, NULL, 'z'}, |
718e3744 | 70 | { "bgp_port", required_argument, NULL, 'p'}, |
3a02d1f7 | 71 | { "listenon", required_argument, NULL, 'l'}, |
718e3744 | 72 | { "vty_addr", required_argument, NULL, 'A'}, |
73 | { "vty_port", required_argument, NULL, 'P'}, | |
98bd8260 | 74 | { "vty_socket", required_argument, NULL, OPTION_VTYSOCK }, |
718e3744 | 75 | { "retain", no_argument, NULL, 'r'}, |
76 | { "no_kernel", no_argument, NULL, 'n'}, | |
37fe7731 | 77 | { "ecmp", required_argument, NULL, 'e'}, |
edd7c245 | 78 | { "user", required_argument, NULL, 'u'}, |
c065230a | 79 | { "group", required_argument, NULL, 'g'}, |
a008f49a | 80 | { "skip_runas", no_argument, NULL, 'S'}, |
718e3744 | 81 | { "version", no_argument, NULL, 'v'}, |
876b8be0 | 82 | { "dryrun", no_argument, NULL, 'C'}, |
718e3744 | 83 | { "help", no_argument, NULL, 'h'}, |
84 | { 0 } | |
85 | }; | |
86 | ||
2d75d052 | 87 | /* signal definitions */ |
88 | void sighup (void); | |
89 | void sigint (void); | |
90 | void sigusr1 (void); | |
91 | ||
228da428 | 92 | static void bgp_exit (int); |
021530c1 | 93 | static void bgp_vrf_terminate (void); |
228da428 | 94 | |
372b3c70 | 95 | static struct quagga_signal_t bgp_signals[] = |
2d75d052 | 96 | { |
97 | { | |
98 | .signal = SIGHUP, | |
99 | .handler = &sighup, | |
100 | }, | |
101 | { | |
102 | .signal = SIGUSR1, | |
103 | .handler = &sigusr1, | |
104 | }, | |
105 | { | |
106 | .signal = SIGINT, | |
107 | .handler = &sigint, | |
f571dab0 | 108 | }, |
109 | { | |
110 | .signal = SIGTERM, | |
111 | .handler = &sigint, | |
2d75d052 | 112 | }, |
113 | }; | |
114 | ||
718e3744 | 115 | /* Configuration file and directory. */ |
718e3744 | 116 | char config_default[] = SYSCONFDIR BGP_DEFAULT_CONFIG; |
117 | ||
98bd8260 MW |
118 | /* VTY Socket prefix */ |
119 | char vty_sock_path[MAXPATHLEN] = BGP_VTYSH_PATH; | |
120 | ||
718e3744 | 121 | /* Route retain mode flag. */ |
372b3c70 | 122 | static int retain_mode = 0; |
718e3744 | 123 | |
718e3744 | 124 | /* Manually specified configuration file name. */ |
125 | char *config_file = NULL; | |
126 | ||
127 | /* Process ID saved for use by init system */ | |
372b3c70 | 128 | static const char *pid_file = PATH_BGPD_PID; |
718e3744 | 129 | |
130 | /* VTY port number and address. */ | |
131 | int vty_port = BGP_VTY_PORT; | |
132 | char *vty_addr = NULL; | |
98bd8260 | 133 | char *vty_sock_name; |
718e3744 | 134 | |
edd7c245 | 135 | /* privileges */ |
372b3c70 | 136 | static zebra_capabilities_t _caps_p [] = |
edd7c245 | 137 | { |
98f5163c | 138 | ZCAP_BIND, |
ceacedba | 139 | ZCAP_NET_RAW, |
5c88f19d | 140 | ZCAP_NET_ADMIN, |
edd7c245 | 141 | }; |
142 | ||
143 | struct zebra_privs_t bgpd_privs = | |
144 | { | |
b2f36157 DL |
145 | #if defined(FRR_USER) && defined(FRR_GROUP) |
146 | .user = FRR_USER, | |
147 | .group = FRR_GROUP, | |
d81fadfd | 148 | #endif |
149 | #ifdef VTY_GROUP | |
150 | .vty_group = VTY_GROUP, | |
edd7c245 | 151 | #endif |
152 | .caps_p = _caps_p, | |
837d16cc | 153 | .cap_num_p = array_size(_caps_p), |
edd7c245 | 154 | .cap_num_i = 0, |
155 | }; | |
156 | ||
718e3744 | 157 | /* Help information display. */ |
158 | static void | |
159 | usage (char *progname, int status) | |
160 | { | |
161 | if (status != 0) | |
162 | fprintf (stderr, "Try `%s --help' for more information.\n", progname); | |
163 | else | |
164 | { | |
165 | printf ("Usage : %s [OPTION...]\n\n\ | |
166 | Daemon which manages kernel routing table management and \ | |
167 | redistribution between different routing protocols.\n\n\ | |
168 | -d, --daemon Runs in daemon mode\n\ | |
169 | -f, --config_file Set configuration file name\n\ | |
170 | -i, --pid_file Set process identifier file name\n\ | |
b5114685 | 171 | -z, --socket Set path of zebra socket\n\ |
718e3744 | 172 | -p, --bgp_port Set bgp protocol's port number\n\ |
3a02d1f7 | 173 | -l, --listenon Listen on specified address (implies -n)\n\ |
718e3744 | 174 | -A, --vty_addr Set vty's bind address\n\ |
175 | -P, --vty_port Set vty's port number\n\ | |
98bd8260 | 176 | --vty_socket Override vty socket path\n\ |
718e3744 | 177 | -r, --retain When program terminates, retain added route by bgpd.\n\ |
178 | -n, --no_kernel Do not install route to kernel.\n\ | |
37fe7731 | 179 | -e, --ecmp Specify ECMP to use.\n\ |
c065230a | 180 | -u, --user User to run as\n\ |
181 | -g, --group Group to run as\n\ | |
a008f49a | 182 | -S, --skip_runas Skip user and group run as\n\ |
718e3744 | 183 | -v, --version Print program version\n\ |
876b8be0 | 184 | -C, --dryrun Check configuration for validity and exit\n\ |
718e3744 | 185 | -h, --help Display this help and exit\n\ |
186 | \n\ | |
b2f36157 | 187 | Report bugs to %s\n", progname, FRR_BUG_ADDRESS); |
718e3744 | 188 | } |
189 | ||
190 | exit (status); | |
191 | } | |
6b0655a2 | 192 | |
718e3744 | 193 | /* SIGHUP handler. */ |
194 | void | |
2d75d052 | 195 | sighup (void) |
718e3744 | 196 | { |
16286195 | 197 | zlog_info ("SIGHUP received"); |
718e3744 | 198 | |
199 | /* Terminate all thread. */ | |
200 | bgp_terminate (); | |
201 | bgp_reset (); | |
202 | zlog_info ("bgpd restarting!"); | |
203 | ||
204 | /* Reload config file. */ | |
320ec10a | 205 | vty_read_config (config_file, config_default); |
718e3744 | 206 | |
207 | /* Create VTY's socket */ | |
98bd8260 | 208 | vty_serv_sock (vty_addr, vty_port, vty_sock_path); |
718e3744 | 209 | |
210 | /* Try to return to normal operation. */ | |
211 | } | |
212 | ||
213 | /* SIGINT handler. */ | |
35dece84 | 214 | __attribute__((__noreturn__)) void |
2d75d052 | 215 | sigint (void) |
718e3744 | 216 | { |
887c44a4 | 217 | zlog_notice ("Terminating on signal"); |
718e3744 | 218 | |
219 | if (! retain_mode) | |
a008f49a LB |
220 | { |
221 | bgp_terminate (); | |
222 | if (bgpd_privs.user) /* NULL if skip_runas flag set */ | |
223 | zprivs_terminate (&bgpd_privs); | |
224 | } | |
718e3744 | 225 | |
228da428 | 226 | bgp_exit (0); |
540766e7 DS |
227 | |
228 | exit (0); | |
718e3744 | 229 | } |
230 | ||
231 | /* SIGUSR1 handler. */ | |
232 | void | |
2d75d052 | 233 | sigusr1 (void) |
718e3744 | 234 | { |
235 | zlog_rotate (NULL); | |
236 | } | |
228da428 CC |
237 | |
238 | /* | |
239 | Try to free up allocations we know about so that diagnostic tools such as | |
240 | valgrind are able to better illuminate leaks. | |
241 | ||
242 | Zebra route removal and protocol teardown are not meant to be done here. | |
243 | For example, "retain_mode" may be set. | |
244 | */ | |
35dece84 | 245 | static __attribute__((__noreturn__)) void |
228da428 CC |
246 | bgp_exit (int status) |
247 | { | |
248 | struct bgp *bgp; | |
249 | struct listnode *node, *nnode; | |
228da428 CC |
250 | |
251 | /* it only makes sense for this to be called on a clean exit */ | |
252 | assert (status == 0); | |
253 | ||
567b877d | 254 | bfd_gbl_exit(); |
255 | ||
1ff9a340 DS |
256 | bgp_close(); |
257 | ||
228da428 CC |
258 | if (retain_mode) |
259 | if_add_hook (IF_DELETE_HOOK, NULL); | |
ad4cbda1 | 260 | |
46abd3e3 | 261 | /* reverse bgp_master_init */ |
262 | for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) | |
263 | bgp_delete (bgp); | |
264 | list_free (bm->bgp); | |
265 | ||
228da428 CC |
266 | /* reverse bgp_dump_init */ |
267 | bgp_dump_finish (); | |
268 | ||
269 | /* reverse bgp_route_init */ | |
270 | bgp_route_finish (); | |
271 | ||
518f0eb1 DS |
272 | /* cleanup route maps */ |
273 | bgp_route_map_terminate(); | |
228da428 | 274 | |
7b8def58 DS |
275 | /* reverse bgp_attr_init */ |
276 | bgp_attr_finish (); | |
277 | ||
228da428 CC |
278 | /* reverse access_list_init */ |
279 | access_list_add_hook (NULL); | |
280 | access_list_delete_hook (NULL); | |
281 | access_list_reset (); | |
282 | ||
283 | /* reverse bgp_filter_init */ | |
284 | as_list_add_hook (NULL); | |
285 | as_list_delete_hook (NULL); | |
286 | bgp_filter_reset (); | |
287 | ||
288 | /* reverse prefix_list_init */ | |
289 | prefix_list_add_hook (NULL); | |
290 | prefix_list_delete_hook (NULL); | |
291 | prefix_list_reset (); | |
292 | ||
293 | /* reverse community_list_init */ | |
294 | community_list_terminate (bgp_clist); | |
295 | ||
021530c1 | 296 | bgp_vrf_terminate (); |
228da428 CC |
297 | cmd_terminate (); |
298 | vty_terminate (); | |
65efcfce LB |
299 | #if ENABLE_BGP_VNC |
300 | vnc_zebra_destroy(); | |
301 | #endif | |
2f35bbfe | 302 | bgp_zebra_destroy(); |
8196f13d JB |
303 | if (bgp_nexthop_buf) |
304 | stream_free (bgp_nexthop_buf); | |
431aa9f9 DS |
305 | if (bgp_ifindices_buf) |
306 | stream_free (bgp_ifindices_buf); | |
228da428 CC |
307 | |
308 | /* reverse bgp_master_init */ | |
9229d914 DS |
309 | if (bm->master) |
310 | thread_master_free (bm->master); | |
228da428 CC |
311 | |
312 | if (zlog_default) | |
313 | closezlog (zlog_default); | |
314 | ||
46857efe DL |
315 | memset (bm, 0, sizeof (*bm)); |
316 | ||
90dcf2d7 LB |
317 | if (bgp_debug_count()) |
318 | log_memstats_stderr ("bgpd"); | |
228da428 CC |
319 | exit (status); |
320 | } | |
6b0655a2 | 321 | |
2fcc254e | 322 | static int |
661512bf | 323 | bgp_vrf_new (struct vrf *vrf) |
2fcc254e DS |
324 | { |
325 | if (BGP_DEBUG (zebra, ZEBRA)) | |
661512bf | 326 | zlog_debug ("VRF Created: %s(%d)", vrf->name, vrf->vrf_id); |
2fcc254e DS |
327 | |
328 | return 0; | |
329 | } | |
330 | ||
331 | static int | |
661512bf | 332 | bgp_vrf_delete (struct vrf *vrf) |
2fcc254e DS |
333 | { |
334 | if (BGP_DEBUG (zebra, ZEBRA)) | |
661512bf | 335 | zlog_debug ("VRF Deletion: %s(%d)", vrf->name, vrf->vrf_id); |
2fcc254e DS |
336 | |
337 | return 0; | |
338 | } | |
339 | ||
340 | static int | |
661512bf | 341 | bgp_vrf_enable (struct vrf *vrf) |
2fcc254e | 342 | { |
2fcc254e | 343 | struct bgp *bgp; |
eb117f29 | 344 | vrf_id_t old_vrf_id; |
2fcc254e | 345 | |
2fcc254e | 346 | if (BGP_DEBUG (zebra, ZEBRA)) |
661512bf | 347 | zlog_debug("VRF enable add %s id %d", vrf->name, vrf->vrf_id); |
2fcc254e | 348 | |
661512bf | 349 | bgp = bgp_lookup_by_name (vrf->name); |
2fcc254e DS |
350 | if (bgp) |
351 | { | |
eb117f29 | 352 | old_vrf_id = bgp->vrf_id; |
2fcc254e DS |
353 | /* We have instance configured, link to VRF and make it "up". */ |
354 | bgp_vrf_link (bgp, vrf); | |
eb117f29 SK |
355 | |
356 | /* Update any redistribute vrf bitmaps if the vrf_id changed */ | |
357 | if (old_vrf_id != bgp->vrf_id) | |
358 | bgp_update_redist_vrf_bitmaps(bgp, old_vrf_id); | |
2fcc254e DS |
359 | bgp_instance_up (bgp); |
360 | } | |
361 | ||
362 | return 0; | |
363 | } | |
364 | ||
365 | static int | |
661512bf | 366 | bgp_vrf_disable (struct vrf *vrf) |
2fcc254e | 367 | { |
2fcc254e | 368 | struct bgp *bgp; |
eb117f29 | 369 | vrf_id_t old_vrf_id; |
2fcc254e | 370 | |
661512bf | 371 | if (vrf->vrf_id == VRF_DEFAULT) |
2fcc254e DS |
372 | return 0; |
373 | ||
2fcc254e | 374 | if (BGP_DEBUG (zebra, ZEBRA)) |
661512bf | 375 | zlog_debug("VRF disable %s id %d", vrf->name, vrf->vrf_id); |
2fcc254e | 376 | |
661512bf | 377 | bgp = bgp_lookup_by_name (vrf->name); |
2fcc254e DS |
378 | if (bgp) |
379 | { | |
eb117f29 | 380 | old_vrf_id = bgp->vrf_id; |
2fcc254e DS |
381 | /* We have instance configured, unlink from VRF and make it "down". */ |
382 | bgp_vrf_unlink (bgp, vrf); | |
eb117f29 SK |
383 | /* Update any redistribute vrf bitmaps if the vrf_id changed */ |
384 | if (old_vrf_id != bgp->vrf_id) | |
385 | bgp_update_redist_vrf_bitmaps(bgp, old_vrf_id); | |
2fcc254e DS |
386 | bgp_instance_down (bgp); |
387 | } | |
388 | ||
389 | /* Note: This is a callback, the VRF will be deleted by the caller. */ | |
390 | return 0; | |
391 | } | |
392 | ||
393 | static void | |
394 | bgp_vrf_init (void) | |
395 | { | |
396 | vrf_add_hook (VRF_NEW_HOOK, bgp_vrf_new); | |
397 | vrf_add_hook (VRF_ENABLE_HOOK, bgp_vrf_enable); | |
398 | vrf_add_hook (VRF_DISABLE_HOOK, bgp_vrf_disable); | |
399 | vrf_add_hook (VRF_DELETE_HOOK, bgp_vrf_delete); | |
400 | ||
401 | vrf_init (); | |
402 | } | |
403 | ||
021530c1 | 404 | static void |
405 | bgp_vrf_terminate (void) | |
406 | { | |
407 | vrf_add_hook (VRF_NEW_HOOK, NULL); | |
408 | vrf_add_hook (VRF_ENABLE_HOOK, NULL); | |
409 | vrf_add_hook (VRF_DISABLE_HOOK, NULL); | |
410 | vrf_add_hook (VRF_DELETE_HOOK, NULL); | |
411 | ||
412 | vrf_terminate (); | |
413 | } | |
414 | ||
718e3744 | 415 | /* Main routine of bgpd. Treatment of argument and start bgp finite |
416 | state machine is handled at here. */ | |
417 | int | |
418 | main (int argc, char **argv) | |
419 | { | |
420 | char *p; | |
421 | int opt; | |
422 | int daemon_mode = 0; | |
876b8be0 | 423 | int dryrun = 0; |
718e3744 | 424 | char *progname; |
425 | struct thread thread; | |
0d6b2ee2 | 426 | int tmp_port; |
a008f49a | 427 | int skip_runas = 0; |
718e3744 | 428 | |
429 | /* Set umask before anything for security */ | |
430 | umask (0027); | |
431 | ||
432 | /* Preserve name of myself. */ | |
433 | progname = ((p = strrchr (argv[0], '/')) ? ++p : argv[0]); | |
434 | ||
718e3744 | 435 | /* BGP master init. */ |
436 | bgp_master_init (); | |
437 | ||
438 | /* Command line argument treatment. */ | |
439 | while (1) | |
440 | { | |
a008f49a | 441 | opt = getopt_long (argc, argv, "df:i:z:hp:l:A:P:rnu:g:vCS", longopts, 0); |
718e3744 | 442 | |
443 | if (opt == EOF) | |
444 | break; | |
445 | ||
446 | switch (opt) | |
447 | { | |
448 | case 0: | |
449 | break; | |
450 | case 'd': | |
451 | daemon_mode = 1; | |
452 | break; | |
453 | case 'f': | |
454 | config_file = optarg; | |
455 | break; | |
456 | case 'i': | |
457 | pid_file = optarg; | |
458 | break; | |
b5114685 VT |
459 | case 'z': |
460 | zclient_serv_path_set (optarg); | |
461 | break; | |
718e3744 | 462 | case 'p': |
0d6b2ee2 PJ |
463 | tmp_port = atoi (optarg); |
464 | if (tmp_port <= 0 || tmp_port > 0xffff) | |
465 | bm->port = BGP_PORT_DEFAULT; | |
466 | else | |
467 | bm->port = tmp_port; | |
718e3744 | 468 | break; |
469 | case 'A': | |
470 | vty_addr = optarg; | |
471 | break; | |
37fe7731 DS |
472 | case 'e': |
473 | multipath_num = atoi (optarg); | |
474 | if (multipath_num > MULTIPATH_NUM || multipath_num <= 0) | |
475 | { | |
476 | zlog_err ("Multipath Number specified must be less than %d and greater than 0", MULTIPATH_NUM); | |
477 | return 1; | |
478 | } | |
479 | break; | |
718e3744 | 480 | case 'P': |
4fc4e7ab | 481 | /* Deal with atoi() returning 0 on failure, and bgpd not |
482 | listening on bgp port... */ | |
483 | if (strcmp(optarg, "0") == 0) | |
484 | { | |
485 | vty_port = 0; | |
486 | break; | |
487 | } | |
488 | vty_port = atoi (optarg); | |
0d6b2ee2 PJ |
489 | if (vty_port <= 0 || vty_port > 0xffff) |
490 | vty_port = BGP_VTY_PORT; | |
718e3744 | 491 | break; |
98bd8260 MW |
492 | case OPTION_VTYSOCK: |
493 | set_socket_path(vty_sock_path, BGP_VTYSH_PATH, optarg, sizeof (vty_sock_path)); | |
494 | break; | |
718e3744 | 495 | case 'r': |
496 | retain_mode = 1; | |
497 | break; | |
3a02d1f7 PJ |
498 | case 'l': |
499 | bm->address = optarg; | |
500 | /* listenon implies -n */ | |
718e3744 | 501 | case 'n': |
502 | bgp_option_set (BGP_OPT_NO_FIB); | |
503 | break; | |
c065230a | 504 | case 'u': |
505 | bgpd_privs.user = optarg; | |
506 | break; | |
507 | case 'g': | |
508 | bgpd_privs.group = optarg; | |
509 | break; | |
a008f49a LB |
510 | case 'S': /* skip run as = override bgpd_privs */ |
511 | skip_runas = 1; | |
512 | break; | |
718e3744 | 513 | case 'v': |
514 | print_version (progname); | |
515 | exit (0); | |
516 | break; | |
876b8be0 PJ |
517 | case 'C': |
518 | dryrun = 1; | |
519 | break; | |
718e3744 | 520 | case 'h': |
521 | usage (progname, 0); | |
522 | break; | |
523 | default: | |
524 | usage (progname, 1); | |
525 | break; | |
526 | } | |
527 | } | |
528 | ||
03809024 DS |
529 | zlog_default = openzlog (progname, ZLOG_BGP, 0, |
530 | LOG_CONS|LOG_NDELAY|LOG_PID, LOG_DAEMON); | |
a008f49a LB |
531 | |
532 | if (skip_runas) | |
533 | memset (&bgpd_privs, 0, sizeof (bgpd_privs)); | |
03809024 | 534 | zprivs_init (&bgpd_privs); |
a008f49a | 535 | |
03809024 DS |
536 | #if defined(HAVE_CUMULUS) |
537 | zlog_set_level (NULL, ZLOG_DEST_SYSLOG, zlog_default->default_lvl); | |
538 | #endif | |
87d4a781 | 539 | |
718e3744 | 540 | /* Initializations. */ |
b06fd125 | 541 | srandom (time (NULL)); |
9229d914 | 542 | signal_init (bm->master, array_size(bgp_signals), bgp_signals); |
718e3744 | 543 | cmd_init (1); |
9229d914 | 544 | vty_init (bm->master); |
718e3744 | 545 | memory_init (); |
2fcc254e | 546 | bgp_vrf_init (); |
718e3744 | 547 | |
548 | /* BGP related initialization. */ | |
549 | bgp_init (); | |
550 | ||
718e3744 | 551 | /* Parse config file. */ |
320ec10a | 552 | vty_read_config (config_file, config_default); |
718e3744 | 553 | |
876b8be0 PJ |
554 | /* Start execution only if not in dry-run mode */ |
555 | if(dryrun) | |
556 | return(0); | |
557 | ||
718e3744 | 558 | /* Turn into daemon if daemon_mode is set. */ |
372b3c70 SH |
559 | if (daemon_mode && daemon (0, 0) < 0) |
560 | { | |
561 | zlog_err("BGPd daemon failed: %s", strerror(errno)); | |
562 | return (1); | |
563 | } | |
564 | ||
718e3744 | 565 | |
566 | /* Process ID file creation. */ | |
567 | pid_output (pid_file); | |
568 | ||
569 | /* Make bgp vty socket. */ | |
98bd8260 | 570 | vty_serv_sock (vty_addr, vty_port, vty_sock_path); |
718e3744 | 571 | |
572 | /* Print banner. */ | |
b2f36157 | 573 | zlog_notice ("BGPd %s starting: vty@%d, bgp@%s:%d", FRR_COPYRIGHT, |
7e992e95 | 574 | vty_port, |
b63e6089 | 575 | (bm->address ? bm->address : "<all>"), |
7e992e95 | 576 | bm->port); |
718e3744 | 577 | |
578 | /* Start finite state machine, here we go! */ | |
9229d914 | 579 | while (thread_fetch (bm->master, &thread)) |
718e3744 | 580 | thread_call (&thread); |
581 | ||
582 | /* Not reached. */ | |
e8e1946e | 583 | return (0); |
718e3744 | 584 | } |