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Commit | Line | Data |
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8429abe0 RW |
1 | /* $OpenBSD$ */ |
2 | ||
3 | /* | |
4 | * Copyright (c) 2013, 2016 Renato Westphal <renato@openbsd.org> | |
5 | * Copyright (c) 2005 Claudio Jeker <claudio@openbsd.org> | |
6 | * Copyright (c) 2004, 2008 Esben Norby <norby@openbsd.org> | |
7 | * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org> | |
8 | * | |
9 | * Permission to use, copy, modify, and distribute this software for any | |
10 | * purpose with or without fee is hereby granted, provided that the above | |
11 | * copyright notice and this permission notice appear in all copies. | |
12 | * | |
13 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
14 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
15 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
16 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
17 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
18 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
19 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
20 | */ | |
21 | ||
eac6e3f0 | 22 | #include <zebra.h> |
8429abe0 | 23 | #include <sys/wait.h> |
8429abe0 RW |
24 | |
25 | #include "ldpd.h" | |
26 | #include "ldpe.h" | |
27 | #include "lde.h" | |
28 | #include "log.h" | |
eac6e3f0 RW |
29 | #include "ldp_vty.h" |
30 | #include "ldp_debug.h" | |
31 | ||
32 | #include <lib/version.h> | |
33 | #include <lib/log.h> | |
34 | #include "getopt.h" | |
35 | #include "vty.h" | |
36 | #include "command.h" | |
37 | #include "memory.h" | |
38 | #include "privs.h" | |
39 | #include "sigevent.h" | |
40 | #include "zclient.h" | |
41 | #include "vrf.h" | |
45a8eba9 | 42 | #include "filter.h" |
4af8997d | 43 | #include "qobj.h" |
4f04a76b | 44 | #include "libfrr.h" |
eac6e3f0 RW |
45 | |
46 | static void ldpd_shutdown(void); | |
28e8294c | 47 | static pid_t start_child(enum ldpd_process, char *, int, int, |
372b8bd3 | 48 | const char *, const char *, const char *); |
eac6e3f0 RW |
49 | static int main_dispatch_ldpe(struct thread *); |
50 | static int main_dispatch_lde(struct thread *); | |
8429abe0 RW |
51 | static int main_imsg_send_ipc_sockets(struct imsgbuf *, |
52 | struct imsgbuf *); | |
53 | static void main_imsg_send_net_sockets(int); | |
54 | static void main_imsg_send_net_socket(int, enum socket_type); | |
55 | static int main_imsg_send_config(struct ldpd_conf *); | |
b67c140b RW |
56 | static void ldp_config_normalize(struct ldpd_conf *, void **); |
57 | static void ldp_config_reset_main(struct ldpd_conf *, void **); | |
58 | static void ldp_config_reset_af(struct ldpd_conf *, int, void **); | |
59 | static void merge_config_ref(struct ldpd_conf *, struct ldpd_conf *, void **); | |
8429abe0 RW |
60 | static void merge_global(struct ldpd_conf *, struct ldpd_conf *); |
61 | static void merge_af(int, struct ldpd_af_conf *, | |
62 | struct ldpd_af_conf *); | |
b67c140b | 63 | static void merge_ifaces(struct ldpd_conf *, struct ldpd_conf *, void **); |
8429abe0 | 64 | static void merge_iface_af(struct iface_af *, struct iface_af *); |
b67c140b RW |
65 | static void merge_tnbrs(struct ldpd_conf *, struct ldpd_conf *, void **); |
66 | static void merge_nbrps(struct ldpd_conf *, struct ldpd_conf *, void **); | |
67 | static void merge_l2vpns(struct ldpd_conf *, struct ldpd_conf *, void **); | |
8429abe0 | 68 | static void merge_l2vpn(struct ldpd_conf *, struct l2vpn *, |
b67c140b | 69 | struct l2vpn *, void **); |
8429abe0 | 70 | |
4af8997d RW |
71 | DEFINE_QOBJ_TYPE(iface) |
72 | DEFINE_QOBJ_TYPE(tnbr) | |
73 | DEFINE_QOBJ_TYPE(nbr_params) | |
74 | DEFINE_QOBJ_TYPE(l2vpn_if) | |
75 | DEFINE_QOBJ_TYPE(l2vpn_pw) | |
76 | DEFINE_QOBJ_TYPE(l2vpn) | |
77 | DEFINE_QOBJ_TYPE(ldpd_conf) | |
78 | ||
8429abe0 RW |
79 | struct ldpd_global global; |
80 | struct ldpd_conf *ldpd_conf; | |
81 | ||
28e8294c RW |
82 | static struct imsgev *iev_ldpe, *iev_ldpe_sync; |
83 | static struct imsgev *iev_lde, *iev_lde_sync; | |
8429abe0 RW |
84 | static pid_t ldpe_pid; |
85 | static pid_t lde_pid; | |
86 | ||
eac6e3f0 RW |
87 | #define LDP_DEFAULT_CONFIG "ldpd.conf" |
88 | #define LDP_VTY_PORT 2612 | |
89 | ||
90 | /* Master of threads. */ | |
91 | struct thread_master *master; | |
92 | ||
eac6e3f0 RW |
93 | /* ldpd privileges */ |
94 | static zebra_capabilities_t _caps_p [] = | |
8429abe0 | 95 | { |
eac6e3f0 RW |
96 | ZCAP_BIND, |
97 | ZCAP_NET_ADMIN | |
98 | }; | |
99 | ||
100 | struct zebra_privs_t ldpd_privs = | |
101 | { | |
b2f36157 DL |
102 | #if defined(FRR_USER) && defined(FRR_GROUP) |
103 | .user = FRR_USER, | |
104 | .group = FRR_GROUP, | |
eac6e3f0 RW |
105 | #endif |
106 | #if defined(VTY_GROUP) | |
107 | .vty_group = VTY_GROUP, | |
108 | #endif | |
109 | .caps_p = _caps_p, | |
110 | .cap_num_p = array_size(_caps_p), | |
111 | .cap_num_i = 0 | |
112 | }; | |
113 | ||
372b8bd3 RW |
114 | /* CTL Socket path */ |
115 | char ctl_sock_path[MAXPATHLEN] = LDPD_SOCKET; | |
116 | ||
eac6e3f0 | 117 | /* LDPd options. */ |
372b8bd3 | 118 | #define OPTION_CTLSOCK 1001 |
eac6e3f0 RW |
119 | static struct option longopts[] = |
120 | { | |
372b8bd3 | 121 | { "ctl_socket", required_argument, NULL, OPTION_CTLSOCK}, |
eac6e3f0 RW |
122 | { 0 } |
123 | }; | |
124 | ||
eac6e3f0 RW |
125 | /* SIGHUP handler. */ |
126 | static void | |
127 | sighup(void) | |
128 | { | |
129 | log_info("SIGHUP received"); | |
130 | } | |
131 | ||
132 | /* SIGINT / SIGTERM handler. */ | |
133 | static void | |
134 | sigint(void) | |
8429abe0 | 135 | { |
eac6e3f0 RW |
136 | log_info("SIGINT received"); |
137 | ldpd_shutdown(); | |
138 | } | |
8429abe0 | 139 | |
eac6e3f0 RW |
140 | /* SIGUSR1 handler. */ |
141 | static void | |
142 | sigusr1(void) | |
143 | { | |
144 | zlog_rotate(NULL); | |
8429abe0 RW |
145 | } |
146 | ||
eac6e3f0 RW |
147 | static struct quagga_signal_t ldp_signals[] = |
148 | { | |
149 | { | |
150 | .signal = SIGHUP, | |
151 | .handler = &sighup, | |
152 | }, | |
153 | { | |
154 | .signal = SIGINT, | |
155 | .handler = &sigint, | |
156 | }, | |
157 | { | |
158 | .signal = SIGTERM, | |
159 | .handler = &sigint, | |
160 | }, | |
161 | { | |
162 | .signal = SIGUSR1, | |
163 | .handler = &sigusr1, | |
164 | } | |
165 | }; | |
166 | ||
4f04a76b DL |
167 | FRR_DAEMON_INFO(ldpd, LDP, |
168 | .vty_port = LDP_VTY_PORT, | |
169 | ||
170 | .proghelp = "Implementation of the LDP protocol.", | |
171 | ||
172 | .signals = ldp_signals, | |
173 | .n_signals = array_size(ldp_signals), | |
174 | ||
175 | .privs = &ldpd_privs, | |
176 | ) | |
177 | ||
8429abe0 RW |
178 | int |
179 | main(int argc, char *argv[]) | |
180 | { | |
8429abe0 | 181 | char *saved_argv0; |
eac6e3f0 | 182 | int lflag = 0, eflag = 0; |
28e8294c RW |
183 | int pipe_parent2ldpe[2], pipe_parent2ldpe_sync[2]; |
184 | int pipe_parent2lde[2], pipe_parent2lde_sync[2]; | |
372b8bd3 RW |
185 | char *ctl_sock_custom_path = NULL; |
186 | char *ctl_sock_name; | |
eac6e3f0 RW |
187 | const char *user = NULL; |
188 | const char *group = NULL; | |
eac6e3f0 | 189 | struct thread thread; |
8429abe0 | 190 | |
8429abe0 RW |
191 | ldpd_process = PROC_MAIN; |
192 | ||
8429abe0 RW |
193 | saved_argv0 = argv[0]; |
194 | if (saved_argv0 == NULL) | |
eac6e3f0 | 195 | saved_argv0 = (char *)"ldpd"; |
8429abe0 | 196 | |
4f04a76b | 197 | frr_preinit(&ldpd_di, argc, argv); |
eb05883f DL |
198 | frr_opt_add("LE", longopts, |
199 | " --ctl_socket Override ctl socket path\n"); | |
4f04a76b | 200 | |
eac6e3f0 RW |
201 | while (1) { |
202 | int opt; | |
203 | ||
4f04a76b | 204 | opt = frr_getopt(argc, argv, NULL); |
eac6e3f0 RW |
205 | |
206 | if (opt == EOF) | |
8429abe0 | 207 | break; |
eac6e3f0 RW |
208 | |
209 | switch (opt) { | |
210 | case 0: | |
211 | break; | |
372b8bd3 RW |
212 | case OPTION_CTLSOCK: |
213 | ctl_sock_name = strrchr(LDPD_SOCKET, '/'); | |
214 | if (ctl_sock_name) | |
215 | /* skip '/' */ | |
216 | ctl_sock_name++; | |
217 | else | |
218 | /* | |
219 | * LDPD_SOCKET configured as relative path | |
220 | * during config? Should really never happen for | |
221 | * sensible config | |
222 | */ | |
223 | ctl_sock_name = (char *)LDPD_SOCKET; | |
224 | ctl_sock_custom_path = optarg; | |
225 | strlcpy(ctl_sock_path, ctl_sock_custom_path, | |
226 | sizeof(ctl_sock_path)); | |
227 | strlcat(ctl_sock_path, "/", sizeof(ctl_sock_path)); | |
228 | strlcat(ctl_sock_path, ctl_sock_name, | |
229 | sizeof(ctl_sock_path)); | |
230 | break; | |
8429abe0 RW |
231 | case 'L': |
232 | lflag = 1; | |
233 | break; | |
234 | case 'E': | |
235 | eflag = 1; | |
236 | break; | |
237 | default: | |
4f04a76b | 238 | frr_help_exit(1); |
eac6e3f0 | 239 | break; |
8429abe0 RW |
240 | } |
241 | } | |
242 | ||
4f04a76b DL |
243 | user = ldpd_privs.user; |
244 | group = ldpd_privs.group; | |
245 | ||
8429abe0 RW |
246 | argc -= optind; |
247 | argv += optind; | |
248 | if (argc > 0 || (lflag && eflag)) | |
4f04a76b | 249 | frr_help_exit(1); |
8429abe0 | 250 | |
eac6e3f0 RW |
251 | /* check for root privileges */ |
252 | if (geteuid() != 0) { | |
253 | errno = EPERM; | |
4f04a76b | 254 | perror(ldpd_di.progname); |
8429abe0 RW |
255 | exit(1); |
256 | } | |
257 | ||
4f04a76b | 258 | zlog_default = openzlog(ldpd_di.progname, ZLOG_LDP, 0, |
eac6e3f0 | 259 | LOG_CONS | LOG_NDELAY | LOG_PID, LOG_DAEMON); |
8429abe0 | 260 | |
eac6e3f0 RW |
261 | if (lflag) |
262 | lde(user, group); | |
263 | else if (eflag) | |
372b8bd3 | 264 | ldpe(user, group, ctl_sock_path); |
8429abe0 | 265 | |
eac6e3f0 | 266 | master = thread_master_create(); |
8429abe0 | 267 | |
eac6e3f0 | 268 | cmd_init(1); |
0b47280e | 269 | vty_config_lockless (); |
eac6e3f0 RW |
270 | vty_init(master); |
271 | vrf_init(); | |
45a8eba9 | 272 | access_list_init (); |
eac6e3f0 RW |
273 | ldp_vty_init(); |
274 | ldp_vty_if_init(); | |
8429abe0 | 275 | |
eac6e3f0 RW |
276 | /* Get configuration file. */ |
277 | ldpd_conf = config_new_empty(); | |
b67c140b | 278 | ldp_config_reset_main(ldpd_conf, NULL); |
8429abe0 | 279 | |
eb05883f | 280 | frr_config_fork(); |
eac6e3f0 | 281 | |
4af8997d RW |
282 | QOBJ_REG (ldpd_conf, ldpd_conf); |
283 | ||
eac6e3f0 | 284 | if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe_parent2ldpe) == -1) |
8429abe0 | 285 | fatal("socketpair"); |
28e8294c RW |
286 | if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, |
287 | pipe_parent2ldpe_sync) == -1) | |
288 | fatal("socketpair"); | |
eac6e3f0 | 289 | if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe_parent2lde) == -1) |
8429abe0 | 290 | fatal("socketpair"); |
28e8294c RW |
291 | if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, |
292 | pipe_parent2lde_sync) == -1) | |
293 | fatal("socketpair"); | |
eac6e3f0 RW |
294 | sock_set_nonblock(pipe_parent2ldpe[0]); |
295 | sock_set_cloexec(pipe_parent2ldpe[0]); | |
296 | sock_set_nonblock(pipe_parent2ldpe[1]); | |
297 | sock_set_cloexec(pipe_parent2ldpe[1]); | |
28e8294c RW |
298 | sock_set_nonblock(pipe_parent2ldpe_sync[0]); |
299 | sock_set_cloexec(pipe_parent2ldpe_sync[0]); | |
300 | sock_set_cloexec(pipe_parent2ldpe_sync[1]); | |
eac6e3f0 RW |
301 | sock_set_nonblock(pipe_parent2lde[0]); |
302 | sock_set_cloexec(pipe_parent2lde[0]); | |
303 | sock_set_nonblock(pipe_parent2lde[1]); | |
304 | sock_set_cloexec(pipe_parent2lde[1]); | |
28e8294c RW |
305 | sock_set_nonblock(pipe_parent2lde_sync[0]); |
306 | sock_set_cloexec(pipe_parent2lde_sync[0]); | |
307 | sock_set_cloexec(pipe_parent2lde_sync[1]); | |
8429abe0 RW |
308 | |
309 | /* start children */ | |
310 | lde_pid = start_child(PROC_LDE_ENGINE, saved_argv0, | |
1a35e2e5 DS |
311 | pipe_parent2lde[1], pipe_parent2lde_sync[1], |
312 | user, group, ctl_sock_custom_path); | |
8429abe0 | 313 | ldpe_pid = start_child(PROC_LDP_ENGINE, saved_argv0, |
1a35e2e5 DS |
314 | pipe_parent2ldpe[1], pipe_parent2ldpe_sync[1], |
315 | user, group, ctl_sock_custom_path); | |
8429abe0 | 316 | |
eac6e3f0 | 317 | /* drop privileges */ |
eac6e3f0 | 318 | zprivs_init(&ldpd_privs); |
8429abe0 RW |
319 | |
320 | /* setup signal handler */ | |
eac6e3f0 RW |
321 | signal_init(master, array_size(ldp_signals), ldp_signals); |
322 | ||
323 | /* library inits */ | |
324 | ldp_zebra_init(master); | |
8429abe0 RW |
325 | |
326 | /* setup pipes to children */ | |
28e8294c RW |
327 | if ((iev_ldpe = calloc(1, sizeof(struct imsgev))) == NULL || |
328 | (iev_ldpe_sync = calloc(1, sizeof(struct imsgev))) == NULL || | |
329 | (iev_lde = calloc(1, sizeof(struct imsgev))) == NULL || | |
330 | (iev_lde_sync = calloc(1, sizeof(struct imsgev))) == NULL) | |
8429abe0 RW |
331 | fatal(NULL); |
332 | imsg_init(&iev_ldpe->ibuf, pipe_parent2ldpe[0]); | |
eac6e3f0 RW |
333 | iev_ldpe->handler_read = main_dispatch_ldpe; |
334 | iev_ldpe->ev_read = thread_add_read(master, iev_ldpe->handler_read, | |
335 | iev_ldpe, iev_ldpe->ibuf.fd); | |
336 | iev_ldpe->handler_write = ldp_write_handler; | |
28e8294c RW |
337 | |
338 | imsg_init(&iev_ldpe_sync->ibuf, pipe_parent2ldpe_sync[0]); | |
339 | iev_ldpe_sync->handler_read = main_dispatch_ldpe; | |
340 | iev_ldpe_sync->ev_read = thread_add_read(master, | |
341 | iev_ldpe_sync->handler_read, iev_ldpe_sync, iev_ldpe_sync->ibuf.fd); | |
342 | iev_ldpe_sync->handler_write = ldp_write_handler; | |
8429abe0 | 343 | |
eac6e3f0 RW |
344 | imsg_init(&iev_lde->ibuf, pipe_parent2lde[0]); |
345 | iev_lde->handler_read = main_dispatch_lde; | |
346 | iev_lde->ev_read = thread_add_read(master, iev_lde->handler_read, | |
347 | iev_lde, iev_lde->ibuf.fd); | |
348 | iev_lde->handler_write = ldp_write_handler; | |
28e8294c RW |
349 | |
350 | imsg_init(&iev_lde_sync->ibuf, pipe_parent2lde_sync[0]); | |
351 | iev_lde_sync->handler_read = main_dispatch_lde; | |
352 | iev_lde_sync->ev_read = thread_add_read(master, | |
353 | iev_lde_sync->handler_read, iev_lde_sync, iev_lde_sync->ibuf.fd); | |
354 | iev_lde_sync->handler_write = ldp_write_handler; | |
8429abe0 RW |
355 | |
356 | if (main_imsg_send_ipc_sockets(&iev_ldpe->ibuf, &iev_lde->ibuf)) | |
357 | fatal("could not establish imsg links"); | |
eac6e3f0 RW |
358 | main_imsg_compose_both(IMSG_DEBUG_UPDATE, &ldp_debug, |
359 | sizeof(ldp_debug)); | |
8429abe0 RW |
360 | main_imsg_send_config(ldpd_conf); |
361 | ||
8429abe0 RW |
362 | if (ldpd_conf->ipv4.flags & F_LDPD_AF_ENABLED) |
363 | main_imsg_send_net_sockets(AF_INET); | |
364 | if (ldpd_conf->ipv6.flags & F_LDPD_AF_ENABLED) | |
365 | main_imsg_send_net_sockets(AF_INET6); | |
366 | ||
eac6e3f0 | 367 | /* Create VTY socket */ |
eb05883f | 368 | frr_vty_serv(); |
eac6e3f0 RW |
369 | |
370 | /* Print banner. */ | |
4f04a76b | 371 | log_notice("LDPd %s starting: vty@%d", FRR_VERSION, ldpd_di.vty_port); |
eac6e3f0 RW |
372 | |
373 | /* Fetch next active thread. */ | |
374 | while (thread_fetch(master, &thread)) | |
375 | thread_call(&thread); | |
8429abe0 | 376 | |
8429abe0 RW |
377 | /* NOTREACHED */ |
378 | return (0); | |
379 | } | |
380 | ||
eac6e3f0 | 381 | static void |
8429abe0 RW |
382 | ldpd_shutdown(void) |
383 | { | |
384 | pid_t pid; | |
385 | int status; | |
386 | ||
387 | /* close pipes */ | |
388 | msgbuf_clear(&iev_ldpe->ibuf.w); | |
389 | close(iev_ldpe->ibuf.fd); | |
390 | msgbuf_clear(&iev_lde->ibuf.w); | |
391 | close(iev_lde->ibuf.fd); | |
392 | ||
8429abe0 RW |
393 | config_clear(ldpd_conf); |
394 | ||
395 | log_debug("waiting for children to terminate"); | |
396 | do { | |
397 | pid = wait(&status); | |
398 | if (pid == -1) { | |
399 | if (errno != EINTR && errno != ECHILD) | |
400 | fatal("wait"); | |
401 | } else if (WIFSIGNALED(status)) | |
402 | log_warnx("%s terminated; signal %d", | |
403 | (pid == lde_pid) ? "label decision engine" : | |
404 | "ldp engine", WTERMSIG(status)); | |
405 | } while (pid != -1 || (pid == -1 && errno == EINTR)); | |
406 | ||
407 | free(iev_ldpe); | |
408 | free(iev_lde); | |
409 | ||
410 | log_info("terminating"); | |
64dffe25 RW |
411 | |
412 | vrf_terminate(); | |
45a8eba9 | 413 | access_list_reset(); |
64dffe25 RW |
414 | cmd_terminate(); |
415 | vty_terminate(); | |
416 | ldp_zebra_destroy(); | |
417 | zprivs_terminate(&ldpd_privs); | |
418 | thread_master_free(master); | |
419 | closezlog(zlog_default); | |
420 | ||
8429abe0 RW |
421 | exit(0); |
422 | } | |
423 | ||
424 | static pid_t | |
28e8294c | 425 | start_child(enum ldpd_process p, char *argv0, int fd_async, int fd_sync, |
1a35e2e5 | 426 | const char *user, const char *group, const char *ctl_sock_custom_path) |
8429abe0 | 427 | { |
372b8bd3 | 428 | char *argv[9]; |
8429abe0 RW |
429 | int argc = 0; |
430 | pid_t pid; | |
431 | ||
432 | switch (pid = fork()) { | |
433 | case -1: | |
434 | fatal("cannot fork"); | |
435 | case 0: | |
436 | break; | |
437 | default: | |
28e8294c RW |
438 | close(fd_async); |
439 | close(fd_sync); | |
8429abe0 RW |
440 | return (pid); |
441 | } | |
442 | ||
28e8294c RW |
443 | if (dup2(fd_async, LDPD_FD_ASYNC) == -1) |
444 | fatal("cannot setup imsg async fd"); | |
445 | if (dup2(fd_sync, LDPD_FD_SYNC) == -1) | |
446 | fatal("cannot setup imsg sync fd"); | |
8429abe0 RW |
447 | |
448 | argv[argc++] = argv0; | |
449 | switch (p) { | |
450 | case PROC_MAIN: | |
451 | fatalx("Can not start main process"); | |
452 | case PROC_LDE_ENGINE: | |
eac6e3f0 | 453 | argv[argc++] = (char *)"-L"; |
8429abe0 RW |
454 | break; |
455 | case PROC_LDP_ENGINE: | |
eac6e3f0 | 456 | argv[argc++] = (char *)"-E"; |
8429abe0 RW |
457 | break; |
458 | } | |
eac6e3f0 RW |
459 | if (user) { |
460 | argv[argc++] = (char *)"-u"; | |
461 | argv[argc++] = (char *)user; | |
462 | } | |
463 | if (group) { | |
464 | argv[argc++] = (char *)"-g"; | |
465 | argv[argc++] = (char *)group; | |
466 | } | |
372b8bd3 RW |
467 | if (ctl_sock_custom_path) { |
468 | argv[argc++] = (char *)"--ctl_socket"; | |
469 | argv[argc++] = (char *)ctl_sock_custom_path; | |
470 | } | |
8429abe0 RW |
471 | argv[argc++] = NULL; |
472 | ||
473 | execvp(argv0, argv); | |
474 | fatal("execvp"); | |
475 | } | |
476 | ||
477 | /* imsg handling */ | |
478 | /* ARGSUSED */ | |
eac6e3f0 RW |
479 | static int |
480 | main_dispatch_ldpe(struct thread *thread) | |
8429abe0 | 481 | { |
eac6e3f0 | 482 | struct imsgev *iev = THREAD_ARG(thread); |
8429abe0 RW |
483 | struct imsgbuf *ibuf = &iev->ibuf; |
484 | struct imsg imsg; | |
485 | int af; | |
486 | ssize_t n; | |
eac6e3f0 | 487 | int shut = 0; |
8429abe0 | 488 | |
eac6e3f0 RW |
489 | iev->ev_read = NULL; |
490 | ||
491 | if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN) | |
492 | fatal("imsg_read error"); | |
493 | if (n == 0) /* connection closed */ | |
494 | shut = 1; | |
8429abe0 RW |
495 | |
496 | for (;;) { | |
497 | if ((n = imsg_get(ibuf, &imsg)) == -1) | |
498 | fatal("imsg_get"); | |
499 | ||
500 | if (n == 0) | |
501 | break; | |
502 | ||
503 | switch (imsg.hdr.type) { | |
eac6e3f0 RW |
504 | case IMSG_LOG: |
505 | logit(imsg.hdr.pid, "%s", (const char *)imsg.data); | |
506 | break; | |
8429abe0 RW |
507 | case IMSG_REQUEST_SOCKETS: |
508 | af = imsg.hdr.pid; | |
509 | main_imsg_send_net_sockets(af); | |
510 | break; | |
45a8eba9 RW |
511 | case IMSG_ACL_CHECK: |
512 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
513 | sizeof(struct acl_check)) | |
514 | fatalx("IMSG_ACL_CHECK imsg with wrong len"); | |
515 | ldp_acl_reply(iev, (struct acl_check *)imsg.data); | |
516 | break; | |
8429abe0 RW |
517 | default: |
518 | log_debug("%s: error handling imsg %d", __func__, | |
519 | imsg.hdr.type); | |
520 | break; | |
521 | } | |
522 | imsg_free(&imsg); | |
523 | } | |
524 | if (!shut) | |
525 | imsg_event_add(iev); | |
526 | else { | |
eac6e3f0 RW |
527 | /* this pipe is dead, so remove the event handlers and exit */ |
528 | THREAD_READ_OFF(iev->ev_read); | |
529 | THREAD_WRITE_OFF(iev->ev_write); | |
530 | ldpe_pid = 0; | |
531 | if (lde_pid == 0) | |
532 | ldpd_shutdown(); | |
533 | else | |
534 | kill(lde_pid, SIGTERM); | |
8429abe0 | 535 | } |
eac6e3f0 RW |
536 | |
537 | return (0); | |
8429abe0 RW |
538 | } |
539 | ||
540 | /* ARGSUSED */ | |
eac6e3f0 RW |
541 | static int |
542 | main_dispatch_lde(struct thread *thread) | |
8429abe0 | 543 | { |
eac6e3f0 | 544 | struct imsgev *iev = THREAD_ARG(thread); |
8429abe0 RW |
545 | struct imsgbuf *ibuf = &iev->ibuf; |
546 | struct imsg imsg; | |
547 | ssize_t n; | |
548 | int shut = 0; | |
549 | ||
eac6e3f0 RW |
550 | iev->ev_read = NULL; |
551 | ||
552 | if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN) | |
553 | fatal("imsg_read error"); | |
554 | if (n == 0) /* connection closed */ | |
555 | shut = 1; | |
8429abe0 RW |
556 | |
557 | for (;;) { | |
558 | if ((n = imsg_get(ibuf, &imsg)) == -1) | |
559 | fatal("imsg_get"); | |
560 | ||
561 | if (n == 0) | |
562 | break; | |
563 | ||
564 | switch (imsg.hdr.type) { | |
eac6e3f0 RW |
565 | case IMSG_LOG: |
566 | logit(imsg.hdr.pid, "%s", (const char *)imsg.data); | |
567 | break; | |
8429abe0 RW |
568 | case IMSG_KLABEL_CHANGE: |
569 | if (imsg.hdr.len - IMSG_HEADER_SIZE != | |
570 | sizeof(struct kroute)) | |
571 | fatalx("invalid size of IMSG_KLABEL_CHANGE"); | |
572 | if (kr_change(imsg.data)) | |
573 | log_warnx("%s: error changing route", __func__); | |
574 | break; | |
575 | case IMSG_KLABEL_DELETE: | |
576 | if (imsg.hdr.len - IMSG_HEADER_SIZE != | |
577 | sizeof(struct kroute)) | |
578 | fatalx("invalid size of IMSG_KLABEL_DELETE"); | |
579 | if (kr_delete(imsg.data)) | |
580 | log_warnx("%s: error deleting route", __func__); | |
581 | break; | |
582 | case IMSG_KPWLABEL_CHANGE: | |
583 | if (imsg.hdr.len - IMSG_HEADER_SIZE != | |
584 | sizeof(struct kpw)) | |
585 | fatalx("invalid size of IMSG_KPWLABEL_CHANGE"); | |
586 | if (kmpw_set(imsg.data)) | |
587 | log_warnx("%s: error changing pseudowire", | |
588 | __func__); | |
589 | break; | |
590 | case IMSG_KPWLABEL_DELETE: | |
591 | if (imsg.hdr.len - IMSG_HEADER_SIZE != | |
592 | sizeof(struct kpw)) | |
593 | fatalx("invalid size of IMSG_KPWLABEL_DELETE"); | |
594 | if (kmpw_unset(imsg.data)) | |
595 | log_warnx("%s: error unsetting pseudowire", | |
596 | __func__); | |
597 | break; | |
45a8eba9 RW |
598 | case IMSG_ACL_CHECK: |
599 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
600 | sizeof(struct acl_check)) | |
601 | fatalx("IMSG_ACL_CHECK imsg with wrong len"); | |
602 | ldp_acl_reply(iev, (struct acl_check *)imsg.data); | |
603 | break; | |
8429abe0 RW |
604 | default: |
605 | log_debug("%s: error handling imsg %d", __func__, | |
606 | imsg.hdr.type); | |
607 | break; | |
608 | } | |
609 | imsg_free(&imsg); | |
610 | } | |
611 | if (!shut) | |
612 | imsg_event_add(iev); | |
613 | else { | |
eac6e3f0 RW |
614 | /* this pipe is dead, so remove the event handlers and exit */ |
615 | THREAD_READ_OFF(iev->ev_read); | |
616 | THREAD_WRITE_OFF(iev->ev_write); | |
617 | lde_pid = 0; | |
618 | if (ldpe_pid == 0) | |
619 | ldpd_shutdown(); | |
620 | else | |
621 | kill(ldpe_pid, SIGTERM); | |
8429abe0 | 622 | } |
eac6e3f0 RW |
623 | |
624 | return (0); | |
625 | } | |
626 | ||
627 | /* ARGSUSED */ | |
628 | int | |
629 | ldp_write_handler(struct thread *thread) | |
630 | { | |
631 | struct imsgev *iev = THREAD_ARG(thread); | |
632 | struct imsgbuf *ibuf = &iev->ibuf; | |
633 | ssize_t n; | |
634 | ||
635 | iev->ev_write = NULL; | |
636 | ||
637 | if ((n = msgbuf_write(&ibuf->w)) == -1 && errno != EAGAIN) | |
638 | fatal("msgbuf_write"); | |
639 | if (n == 0) { | |
640 | /* this pipe is dead, so remove the event handlers */ | |
641 | THREAD_READ_OFF(iev->ev_read); | |
642 | THREAD_WRITE_OFF(iev->ev_write); | |
643 | return (0); | |
644 | } | |
645 | ||
646 | imsg_event_add(iev); | |
647 | ||
648 | return (0); | |
8429abe0 RW |
649 | } |
650 | ||
651 | void | |
652 | main_imsg_compose_ldpe(int type, pid_t pid, void *data, uint16_t datalen) | |
653 | { | |
654 | if (iev_ldpe == NULL) | |
655 | return; | |
656 | imsg_compose_event(iev_ldpe, type, 0, pid, -1, data, datalen); | |
657 | } | |
658 | ||
659 | void | |
660 | main_imsg_compose_lde(int type, pid_t pid, void *data, uint16_t datalen) | |
661 | { | |
662 | imsg_compose_event(iev_lde, type, 0, pid, -1, data, datalen); | |
663 | } | |
664 | ||
eac6e3f0 | 665 | int |
8429abe0 RW |
666 | main_imsg_compose_both(enum imsg_type type, void *buf, uint16_t len) |
667 | { | |
eac6e3f0 RW |
668 | if (iev_ldpe == NULL || iev_lde == NULL) |
669 | return (0); | |
8429abe0 RW |
670 | if (imsg_compose_event(iev_ldpe, type, 0, 0, -1, buf, len) == -1) |
671 | return (-1); | |
672 | if (imsg_compose_event(iev_lde, type, 0, 0, -1, buf, len) == -1) | |
673 | return (-1); | |
674 | return (0); | |
675 | } | |
676 | ||
677 | void | |
678 | imsg_event_add(struct imsgev *iev) | |
679 | { | |
28e8294c RW |
680 | if (iev->handler_read) |
681 | THREAD_READ_ON(master, iev->ev_read, iev->handler_read, iev, | |
682 | iev->ibuf.fd); | |
8429abe0 | 683 | |
28e8294c | 684 | if (iev->handler_write && iev->ibuf.w.queued) |
eac6e3f0 RW |
685 | THREAD_WRITE_ON(master, iev->ev_write, iev->handler_write, iev, |
686 | iev->ibuf.fd); | |
8429abe0 RW |
687 | } |
688 | ||
689 | int | |
690 | imsg_compose_event(struct imsgev *iev, uint16_t type, uint32_t peerid, | |
691 | pid_t pid, int fd, void *data, uint16_t datalen) | |
692 | { | |
693 | int ret; | |
694 | ||
695 | if ((ret = imsg_compose(&iev->ibuf, type, peerid, | |
696 | pid, fd, data, datalen)) != -1) | |
697 | imsg_event_add(iev); | |
698 | return (ret); | |
699 | } | |
700 | ||
701 | void | |
702 | evbuf_enqueue(struct evbuf *eb, struct ibuf *buf) | |
703 | { | |
704 | ibuf_close(&eb->wbuf, buf); | |
705 | evbuf_event_add(eb); | |
706 | } | |
707 | ||
708 | void | |
709 | evbuf_event_add(struct evbuf *eb) | |
710 | { | |
711 | if (eb->wbuf.queued) | |
eac6e3f0 RW |
712 | THREAD_WRITE_ON(master, eb->ev, eb->handler, eb->arg, |
713 | eb->wbuf.fd); | |
8429abe0 RW |
714 | } |
715 | ||
716 | void | |
eac6e3f0 | 717 | evbuf_init(struct evbuf *eb, int fd, int (*handler)(struct thread *), |
8429abe0 RW |
718 | void *arg) |
719 | { | |
720 | msgbuf_init(&eb->wbuf); | |
721 | eb->wbuf.fd = fd; | |
eac6e3f0 RW |
722 | eb->handler = handler; |
723 | eb->arg = arg; | |
8429abe0 RW |
724 | } |
725 | ||
726 | void | |
727 | evbuf_clear(struct evbuf *eb) | |
728 | { | |
eac6e3f0 | 729 | THREAD_WRITE_OFF(eb->ev); |
8429abe0 RW |
730 | msgbuf_clear(&eb->wbuf); |
731 | eb->wbuf.fd = -1; | |
732 | } | |
733 | ||
734 | static int | |
735 | main_imsg_send_ipc_sockets(struct imsgbuf *ldpe_buf, struct imsgbuf *lde_buf) | |
736 | { | |
737 | int pipe_ldpe2lde[2]; | |
738 | ||
eac6e3f0 | 739 | if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe_ldpe2lde) == -1) |
8429abe0 | 740 | return (-1); |
eac6e3f0 RW |
741 | sock_set_nonblock(pipe_ldpe2lde[0]); |
742 | sock_set_nonblock(pipe_ldpe2lde[1]); | |
8429abe0 RW |
743 | |
744 | if (imsg_compose(ldpe_buf, IMSG_SOCKET_IPC, 0, 0, pipe_ldpe2lde[0], | |
745 | NULL, 0) == -1) | |
746 | return (-1); | |
747 | if (imsg_compose(lde_buf, IMSG_SOCKET_IPC, 0, 0, pipe_ldpe2lde[1], | |
748 | NULL, 0) == -1) | |
749 | return (-1); | |
750 | ||
751 | return (0); | |
752 | } | |
753 | ||
754 | static void | |
755 | main_imsg_send_net_sockets(int af) | |
756 | { | |
eac6e3f0 RW |
757 | if (!ldp_addrisset(af, &(ldp_af_conf_get(ldpd_conf, af))->trans_addr)) |
758 | return; | |
759 | ||
8429abe0 RW |
760 | main_imsg_send_net_socket(af, LDP_SOCKET_DISC); |
761 | main_imsg_send_net_socket(af, LDP_SOCKET_EDISC); | |
762 | main_imsg_send_net_socket(af, LDP_SOCKET_SESSION); | |
763 | imsg_compose_event(iev_ldpe, IMSG_SETUP_SOCKETS, af, 0, -1, NULL, 0); | |
764 | } | |
765 | ||
766 | static void | |
767 | main_imsg_send_net_socket(int af, enum socket_type type) | |
768 | { | |
769 | int fd; | |
770 | ||
771 | fd = ldp_create_socket(af, type); | |
772 | if (fd == -1) { | |
773 | log_warnx("%s: failed to create %s socket for address-family " | |
774 | "%s", __func__, socket_name(type), af_name(af)); | |
775 | return; | |
776 | } | |
777 | ||
778 | imsg_compose_event(iev_ldpe, IMSG_SOCKET_NET, af, 0, fd, &type, | |
779 | sizeof(type)); | |
780 | } | |
781 | ||
45a8eba9 RW |
782 | int |
783 | ldp_acl_request(struct imsgev *iev, char *acl_name, int af, | |
784 | union ldpd_addr *addr, uint8_t prefixlen) | |
785 | { | |
786 | struct imsg imsg; | |
787 | ssize_t n; | |
788 | struct acl_check acl_check; | |
789 | ||
790 | if (acl_name[0] == '\0') | |
791 | return FILTER_PERMIT; | |
792 | ||
793 | /* build request */ | |
794 | strlcpy(acl_check.acl, acl_name, sizeof(acl_check.acl)); | |
795 | acl_check.af = af; | |
796 | acl_check.addr = *addr; | |
797 | acl_check.prefixlen = prefixlen; | |
798 | ||
799 | /* send (blocking) */ | |
800 | imsg_compose_event(iev, IMSG_ACL_CHECK, 0, 0, -1, &acl_check, | |
801 | sizeof(acl_check)); | |
802 | imsg_flush(&iev->ibuf); | |
803 | ||
804 | /* receive (blocking) and parse result */ | |
805 | if ((n = imsg_read(&iev->ibuf)) == -1) | |
806 | fatal("imsg_read error"); | |
807 | if ((n = imsg_get(&iev->ibuf, &imsg)) == -1) | |
808 | fatal("imsg_get"); | |
809 | if (imsg.hdr.type != IMSG_ACL_CHECK || | |
810 | imsg.hdr.len != IMSG_HEADER_SIZE + sizeof(int)) | |
811 | fatalx("ldp_acl_request: invalid response"); | |
812 | ||
813 | return (*((int *)imsg.data)); | |
814 | } | |
815 | ||
816 | void | |
817 | ldp_acl_reply(struct imsgev *iev, struct acl_check *acl_check) | |
818 | { | |
819 | struct access_list *alist; | |
820 | struct prefix prefix; | |
821 | int result; | |
822 | ||
823 | alist = access_list_lookup(family2afi(acl_check->af), acl_check->acl); | |
824 | if (alist == NULL) | |
825 | result = FILTER_DENY; | |
826 | else { | |
827 | prefix.family = acl_check->af; | |
828 | switch (prefix.family) { | |
829 | case AF_INET: | |
830 | prefix.u.prefix4 = acl_check->addr.v4; | |
831 | break; | |
832 | case AF_INET6: | |
833 | prefix.u.prefix6 = acl_check->addr.v6; | |
834 | break; | |
835 | default: | |
836 | fatalx("ldp_acl_reply: unknown af"); | |
837 | } | |
838 | prefix.prefixlen = acl_check->prefixlen; | |
839 | result = access_list_apply(alist, &prefix); | |
840 | } | |
841 | ||
842 | imsg_compose_event(iev, IMSG_ACL_CHECK, 0, 0, -1, &result, | |
843 | sizeof(result)); | |
844 | } | |
845 | ||
8429abe0 RW |
846 | struct ldpd_af_conf * |
847 | ldp_af_conf_get(struct ldpd_conf *xconf, int af) | |
848 | { | |
849 | switch (af) { | |
850 | case AF_INET: | |
851 | return (&xconf->ipv4); | |
852 | case AF_INET6: | |
853 | return (&xconf->ipv6); | |
854 | default: | |
855 | fatalx("ldp_af_conf_get: unknown af"); | |
856 | } | |
857 | } | |
858 | ||
859 | struct ldpd_af_global * | |
860 | ldp_af_global_get(struct ldpd_global *xglobal, int af) | |
861 | { | |
862 | switch (af) { | |
863 | case AF_INET: | |
864 | return (&xglobal->ipv4); | |
865 | case AF_INET6: | |
866 | return (&xglobal->ipv6); | |
867 | default: | |
868 | fatalx("ldp_af_global_get: unknown af"); | |
869 | } | |
870 | } | |
871 | ||
872 | int | |
873 | ldp_is_dual_stack(struct ldpd_conf *xconf) | |
874 | { | |
875 | return ((xconf->ipv4.flags & F_LDPD_AF_ENABLED) && | |
876 | (xconf->ipv6.flags & F_LDPD_AF_ENABLED)); | |
877 | } | |
878 | ||
eac6e3f0 RW |
879 | in_addr_t |
880 | ldp_rtr_id_get(struct ldpd_conf *xconf) | |
881 | { | |
882 | if (xconf->rtr_id.s_addr != INADDR_ANY) | |
883 | return (xconf->rtr_id.s_addr); | |
884 | else | |
885 | return (global.rtr_id.s_addr); | |
886 | } | |
887 | ||
8429abe0 RW |
888 | static int |
889 | main_imsg_send_config(struct ldpd_conf *xconf) | |
890 | { | |
891 | struct iface *iface; | |
892 | struct tnbr *tnbr; | |
893 | struct nbr_params *nbrp; | |
894 | struct l2vpn *l2vpn; | |
895 | struct l2vpn_if *lif; | |
896 | struct l2vpn_pw *pw; | |
897 | ||
898 | if (main_imsg_compose_both(IMSG_RECONF_CONF, xconf, | |
899 | sizeof(*xconf)) == -1) | |
900 | return (-1); | |
901 | ||
7d3d7491 | 902 | RB_FOREACH(iface, iface_head, &xconf->iface_tree) { |
8429abe0 RW |
903 | if (main_imsg_compose_both(IMSG_RECONF_IFACE, iface, |
904 | sizeof(*iface)) == -1) | |
905 | return (-1); | |
906 | } | |
907 | ||
7989cdba | 908 | RB_FOREACH(tnbr, tnbr_head, &xconf->tnbr_tree) { |
8429abe0 RW |
909 | if (main_imsg_compose_both(IMSG_RECONF_TNBR, tnbr, |
910 | sizeof(*tnbr)) == -1) | |
911 | return (-1); | |
912 | } | |
913 | ||
76c4abd1 | 914 | RB_FOREACH(nbrp, nbrp_head, &xconf->nbrp_tree) { |
8429abe0 RW |
915 | if (main_imsg_compose_both(IMSG_RECONF_NBRP, nbrp, |
916 | sizeof(*nbrp)) == -1) | |
917 | return (-1); | |
918 | } | |
919 | ||
90d7e7bd | 920 | RB_FOREACH(l2vpn, l2vpn_head, &xconf->l2vpn_tree) { |
8429abe0 RW |
921 | if (main_imsg_compose_both(IMSG_RECONF_L2VPN, l2vpn, |
922 | sizeof(*l2vpn)) == -1) | |
923 | return (-1); | |
924 | ||
029c1958 | 925 | RB_FOREACH(lif, l2vpn_if_head, &l2vpn->if_tree) { |
8429abe0 RW |
926 | if (main_imsg_compose_both(IMSG_RECONF_L2VPN_IF, lif, |
927 | sizeof(*lif)) == -1) | |
928 | return (-1); | |
929 | } | |
20bacaeb | 930 | RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_tree) { |
8429abe0 RW |
931 | if (main_imsg_compose_both(IMSG_RECONF_L2VPN_PW, pw, |
932 | sizeof(*pw)) == -1) | |
933 | return (-1); | |
934 | } | |
20bacaeb | 935 | RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_inactive_tree) { |
eac6e3f0 RW |
936 | if (main_imsg_compose_both(IMSG_RECONF_L2VPN_IPW, pw, |
937 | sizeof(*pw)) == -1) | |
938 | return (-1); | |
939 | } | |
8429abe0 RW |
940 | } |
941 | ||
942 | if (main_imsg_compose_both(IMSG_RECONF_END, NULL, 0) == -1) | |
943 | return (-1); | |
944 | ||
945 | return (0); | |
946 | } | |
947 | ||
eac6e3f0 | 948 | int |
b67c140b | 949 | ldp_reload_ref(struct ldpd_conf *xconf, void **ref) |
8429abe0 | 950 | { |
b67c140b | 951 | ldp_config_normalize(xconf, ref); |
8429abe0 RW |
952 | |
953 | if (main_imsg_send_config(xconf) == -1) | |
954 | return (-1); | |
955 | ||
b67c140b | 956 | merge_config_ref(ldpd_conf, xconf, ref); |
8429abe0 RW |
957 | |
958 | return (0); | |
959 | } | |
960 | ||
b67c140b RW |
961 | int |
962 | ldp_reload(struct ldpd_conf *xconf) | |
963 | { | |
964 | return ldp_reload_ref(xconf, NULL); | |
965 | } | |
966 | ||
eac6e3f0 | 967 | static void |
b67c140b | 968 | ldp_config_normalize(struct ldpd_conf *xconf, void **ref) |
eac6e3f0 RW |
969 | { |
970 | struct l2vpn *l2vpn; | |
971 | struct l2vpn_pw *pw; | |
972 | ||
973 | if (!(xconf->flags & F_LDPD_ENABLED)) | |
b67c140b | 974 | ldp_config_reset_main(xconf, ref); |
eac6e3f0 RW |
975 | else { |
976 | if (!(xconf->ipv4.flags & F_LDPD_AF_ENABLED)) | |
b67c140b | 977 | ldp_config_reset_af(xconf, AF_INET, ref); |
eac6e3f0 | 978 | if (!(xconf->ipv6.flags & F_LDPD_AF_ENABLED)) |
b67c140b | 979 | ldp_config_reset_af(xconf, AF_INET6, ref); |
eac6e3f0 RW |
980 | } |
981 | ||
90d7e7bd | 982 | RB_FOREACH(l2vpn, l2vpn_head, &xconf->l2vpn_tree) { |
20bacaeb | 983 | RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_tree) { |
eac6e3f0 RW |
984 | if (pw->flags & F_PW_STATIC_NBR_ADDR) |
985 | continue; | |
986 | ||
987 | pw->af = AF_INET; | |
988 | pw->addr.v4 = pw->lsr_id; | |
989 | } | |
20bacaeb | 990 | RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_inactive_tree) { |
eac6e3f0 RW |
991 | if (pw->flags & F_PW_STATIC_NBR_ADDR) |
992 | continue; | |
993 | ||
994 | pw->af = AF_INET; | |
995 | pw->addr.v4 = pw->lsr_id; | |
996 | } | |
997 | } | |
998 | } | |
999 | ||
1000 | static void | |
b67c140b | 1001 | ldp_config_reset_main(struct ldpd_conf *conf, void **ref) |
eac6e3f0 RW |
1002 | { |
1003 | struct iface *iface; | |
1004 | struct nbr_params *nbrp; | |
1005 | ||
7d3d7491 | 1006 | while ((iface = RB_ROOT(&conf->iface_tree)) != NULL) { |
b67c140b RW |
1007 | if (ref && *ref == iface) |
1008 | *ref = NULL; | |
7d3d7491 | 1009 | RB_REMOVE(iface_head, &conf->iface_tree, iface); |
eac6e3f0 RW |
1010 | free(iface); |
1011 | } | |
1012 | ||
76c4abd1 | 1013 | while ((nbrp = RB_ROOT(&conf->nbrp_tree)) != NULL) { |
b67c140b RW |
1014 | if (ref && *ref == nbrp) |
1015 | *ref = NULL; | |
76c4abd1 | 1016 | RB_REMOVE(nbrp_head, &conf->nbrp_tree, nbrp); |
eac6e3f0 RW |
1017 | free(nbrp); |
1018 | } | |
1019 | ||
1020 | conf->rtr_id.s_addr = INADDR_ANY; | |
b67c140b RW |
1021 | ldp_config_reset_af(conf, AF_INET, ref); |
1022 | ldp_config_reset_af(conf, AF_INET6, ref); | |
eac6e3f0 RW |
1023 | conf->lhello_holdtime = LINK_DFLT_HOLDTIME; |
1024 | conf->lhello_interval = DEFAULT_HELLO_INTERVAL; | |
1025 | conf->thello_holdtime = TARGETED_DFLT_HOLDTIME; | |
1026 | conf->thello_interval = DEFAULT_HELLO_INTERVAL; | |
1027 | conf->trans_pref = DUAL_STACK_LDPOV6; | |
1028 | conf->flags = 0; | |
1029 | } | |
1030 | ||
1031 | static void | |
b67c140b | 1032 | ldp_config_reset_af(struct ldpd_conf *conf, int af, void **ref) |
eac6e3f0 RW |
1033 | { |
1034 | struct ldpd_af_conf *af_conf; | |
1035 | struct iface *iface; | |
1036 | struct iface_af *ia; | |
1037 | struct tnbr *tnbr, *ttmp; | |
1038 | ||
7d3d7491 | 1039 | RB_FOREACH(iface, iface_head, &conf->iface_tree) { |
eac6e3f0 RW |
1040 | ia = iface_af_get(iface, af); |
1041 | ia->enabled = 0; | |
1042 | } | |
1043 | ||
7989cdba | 1044 | RB_FOREACH_SAFE(tnbr, tnbr_head, &conf->tnbr_tree, ttmp) { |
eac6e3f0 RW |
1045 | if (tnbr->af != af) |
1046 | continue; | |
1047 | ||
b67c140b RW |
1048 | if (ref && *ref == tnbr) |
1049 | *ref = NULL; | |
7989cdba | 1050 | RB_REMOVE(tnbr_head, &conf->tnbr_tree, tnbr); |
eac6e3f0 RW |
1051 | free(tnbr); |
1052 | } | |
1053 | ||
1054 | af_conf = ldp_af_conf_get(conf, af); | |
1055 | af_conf->keepalive = 180; | |
1056 | af_conf->lhello_holdtime = 0; | |
1057 | af_conf->lhello_interval = 0; | |
1058 | af_conf->thello_holdtime = 0; | |
1059 | af_conf->thello_interval = 0; | |
1060 | memset(&af_conf->trans_addr, 0, sizeof(af_conf->trans_addr)); | |
1061 | af_conf->flags = 0; | |
1062 | } | |
1063 | ||
1064 | struct ldpd_conf * | |
b67c140b | 1065 | ldp_dup_config_ref(struct ldpd_conf *conf, void **ref) |
eac6e3f0 RW |
1066 | { |
1067 | struct ldpd_conf *xconf; | |
1068 | struct iface *iface, *xi; | |
1069 | struct tnbr *tnbr, *xt; | |
1070 | struct nbr_params *nbrp, *xn; | |
1071 | struct l2vpn *l2vpn, *xl; | |
1072 | struct l2vpn_if *lif, *xf; | |
1073 | struct l2vpn_pw *pw, *xp; | |
1074 | ||
b67c140b RW |
1075 | #define COPY(a, b) do { \ |
1076 | a = calloc(1, sizeof(*a)); \ | |
1077 | if (a == NULL) \ | |
1078 | fatal(__func__); \ | |
1079 | *a = *b; \ | |
1080 | if (ref && *ref == b) *ref = a; \ | |
1081 | } while (0) | |
1082 | ||
1083 | COPY(xconf, conf); | |
7d3d7491 | 1084 | RB_INIT(&xconf->iface_tree); |
7989cdba | 1085 | RB_INIT(&xconf->tnbr_tree); |
76c4abd1 | 1086 | RB_INIT(&xconf->nbrp_tree); |
90d7e7bd | 1087 | RB_INIT(&xconf->l2vpn_tree); |
eac6e3f0 | 1088 | |
7d3d7491 | 1089 | RB_FOREACH(iface, iface_head, &conf->iface_tree) { |
b67c140b | 1090 | COPY(xi, iface); |
eac6e3f0 RW |
1091 | xi->ipv4.iface = xi; |
1092 | xi->ipv6.iface = xi; | |
7d3d7491 | 1093 | RB_INSERT(iface_head, &xconf->iface_tree, xi); |
eac6e3f0 | 1094 | } |
7989cdba | 1095 | RB_FOREACH(tnbr, tnbr_head, &conf->tnbr_tree) { |
b67c140b | 1096 | COPY(xt, tnbr); |
7989cdba | 1097 | RB_INSERT(tnbr_head, &xconf->tnbr_tree, xt); |
eac6e3f0 | 1098 | } |
76c4abd1 | 1099 | RB_FOREACH(nbrp, nbrp_head, &conf->nbrp_tree) { |
b67c140b | 1100 | COPY(xn, nbrp); |
76c4abd1 | 1101 | RB_INSERT(nbrp_head, &xconf->nbrp_tree, xn); |
eac6e3f0 | 1102 | } |
90d7e7bd | 1103 | RB_FOREACH(l2vpn, l2vpn_head, &conf->l2vpn_tree) { |
b67c140b | 1104 | COPY(xl, l2vpn); |
029c1958 | 1105 | RB_INIT(&xl->if_tree); |
20bacaeb RW |
1106 | RB_INIT(&xl->pw_tree); |
1107 | RB_INIT(&xl->pw_inactive_tree); | |
90d7e7bd | 1108 | RB_INSERT(l2vpn_head, &xconf->l2vpn_tree, xl); |
eac6e3f0 | 1109 | |
029c1958 | 1110 | RB_FOREACH(lif, l2vpn_if_head, &l2vpn->if_tree) { |
b67c140b | 1111 | COPY(xf, lif); |
eac6e3f0 | 1112 | xf->l2vpn = xl; |
029c1958 | 1113 | RB_INSERT(l2vpn_if_head, &xl->if_tree, xf); |
eac6e3f0 | 1114 | } |
20bacaeb | 1115 | RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_tree) { |
b67c140b | 1116 | COPY(xp, pw); |
eac6e3f0 | 1117 | xp->l2vpn = xl; |
20bacaeb | 1118 | RB_INSERT(l2vpn_pw_head, &xl->pw_tree, xp); |
eac6e3f0 | 1119 | } |
20bacaeb | 1120 | RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_inactive_tree) { |
b67c140b | 1121 | COPY(xp, pw); |
eac6e3f0 | 1122 | xp->l2vpn = xl; |
20bacaeb | 1123 | RB_INSERT(l2vpn_pw_head, &xl->pw_inactive_tree, xp); |
eac6e3f0 RW |
1124 | } |
1125 | } | |
b67c140b | 1126 | #undef COPY |
eac6e3f0 RW |
1127 | |
1128 | return (xconf); | |
1129 | } | |
1130 | ||
b67c140b RW |
1131 | struct ldpd_conf * |
1132 | ldp_dup_config(struct ldpd_conf *conf) | |
1133 | { | |
1134 | return ldp_dup_config_ref(conf, NULL); | |
1135 | } | |
1136 | ||
eac6e3f0 RW |
1137 | void |
1138 | ldp_clear_config(struct ldpd_conf *xconf) | |
1139 | { | |
1140 | struct iface *iface; | |
1141 | struct tnbr *tnbr; | |
1142 | struct nbr_params *nbrp; | |
1143 | struct l2vpn *l2vpn; | |
1144 | ||
7d3d7491 RW |
1145 | while ((iface = RB_ROOT(&xconf->iface_tree)) != NULL) { |
1146 | RB_REMOVE(iface_head, &xconf->iface_tree, iface); | |
eac6e3f0 RW |
1147 | free(iface); |
1148 | } | |
7989cdba RW |
1149 | while ((tnbr = RB_ROOT(&xconf->tnbr_tree)) != NULL) { |
1150 | RB_REMOVE(tnbr_head, &xconf->tnbr_tree, tnbr); | |
eac6e3f0 RW |
1151 | free(tnbr); |
1152 | } | |
76c4abd1 RW |
1153 | while ((nbrp = RB_ROOT(&xconf->nbrp_tree)) != NULL) { |
1154 | RB_REMOVE(nbrp_head, &xconf->nbrp_tree, nbrp); | |
eac6e3f0 RW |
1155 | free(nbrp); |
1156 | } | |
90d7e7bd RW |
1157 | while ((l2vpn = RB_ROOT(&xconf->l2vpn_tree)) != NULL) { |
1158 | RB_REMOVE(l2vpn_head, &xconf->l2vpn_tree, l2vpn); | |
eac6e3f0 RW |
1159 | l2vpn_del(l2vpn); |
1160 | } | |
1161 | ||
1162 | free(xconf); | |
1163 | } | |
1164 | ||
b67c140b RW |
1165 | static void |
1166 | merge_config_ref(struct ldpd_conf *conf, struct ldpd_conf *xconf, void **ref) | |
8429abe0 RW |
1167 | { |
1168 | merge_global(conf, xconf); | |
1169 | merge_af(AF_INET, &conf->ipv4, &xconf->ipv4); | |
1170 | merge_af(AF_INET6, &conf->ipv6, &xconf->ipv6); | |
b67c140b RW |
1171 | merge_ifaces(conf, xconf, ref); |
1172 | merge_tnbrs(conf, xconf, ref); | |
1173 | merge_nbrps(conf, xconf, ref); | |
1174 | merge_l2vpns(conf, xconf, ref); | |
1175 | if (ref && *ref == xconf) | |
1176 | *ref = conf; | |
8429abe0 RW |
1177 | free(xconf); |
1178 | } | |
1179 | ||
b67c140b RW |
1180 | void |
1181 | merge_config(struct ldpd_conf *conf, struct ldpd_conf *xconf) | |
1182 | { | |
1183 | merge_config_ref(conf, xconf, NULL); | |
1184 | } | |
1185 | ||
8429abe0 RW |
1186 | static void |
1187 | merge_global(struct ldpd_conf *conf, struct ldpd_conf *xconf) | |
1188 | { | |
1189 | /* change of router-id requires resetting all neighborships */ | |
1190 | if (conf->rtr_id.s_addr != xconf->rtr_id.s_addr) { | |
1191 | if (ldpd_process == PROC_LDP_ENGINE) { | |
45a8eba9 | 1192 | ldpe_reset_nbrs(AF_UNSPEC); |
8429abe0 RW |
1193 | if (conf->rtr_id.s_addr == INADDR_ANY || |
1194 | xconf->rtr_id.s_addr == INADDR_ANY) { | |
1195 | if_update_all(AF_UNSPEC); | |
1196 | tnbr_update_all(AF_UNSPEC); | |
1197 | } | |
1198 | } | |
1199 | conf->rtr_id = xconf->rtr_id; | |
1200 | } | |
1201 | ||
eac6e3f0 RW |
1202 | conf->lhello_holdtime = xconf->lhello_holdtime; |
1203 | conf->lhello_interval = xconf->lhello_interval; | |
1204 | conf->thello_holdtime = xconf->thello_holdtime; | |
1205 | conf->thello_interval = xconf->thello_interval; | |
1206 | ||
8429abe0 RW |
1207 | if (conf->trans_pref != xconf->trans_pref) { |
1208 | if (ldpd_process == PROC_LDP_ENGINE) | |
1209 | ldpe_reset_ds_nbrs(); | |
1210 | conf->trans_pref = xconf->trans_pref; | |
1211 | } | |
1212 | ||
1213 | if ((conf->flags & F_LDPD_DS_CISCO_INTEROP) != | |
1214 | (xconf->flags & F_LDPD_DS_CISCO_INTEROP)) { | |
1215 | if (ldpd_process == PROC_LDP_ENGINE) | |
1216 | ldpe_reset_ds_nbrs(); | |
1217 | } | |
1218 | ||
1219 | conf->flags = xconf->flags; | |
1220 | } | |
1221 | ||
1222 | static void | |
1223 | merge_af(int af, struct ldpd_af_conf *af_conf, struct ldpd_af_conf *xa) | |
1224 | { | |
45a8eba9 RW |
1225 | int stop_init_backoff = 0; |
1226 | int remove_dynamic_tnbrs = 0; | |
1227 | int change_egress_label = 0; | |
1228 | int reset_nbrs_ipv4 = 0; | |
1229 | int reset_nbrs = 0; | |
1230 | int update_sockets = 0; | |
1231 | ||
1232 | /* update timers */ | |
8429abe0 RW |
1233 | if (af_conf->keepalive != xa->keepalive) { |
1234 | af_conf->keepalive = xa->keepalive; | |
45a8eba9 | 1235 | stop_init_backoff = 1; |
8429abe0 | 1236 | } |
eac6e3f0 RW |
1237 | af_conf->lhello_holdtime = xa->lhello_holdtime; |
1238 | af_conf->lhello_interval = xa->lhello_interval; | |
8429abe0 RW |
1239 | af_conf->thello_holdtime = xa->thello_holdtime; |
1240 | af_conf->thello_interval = xa->thello_interval; | |
1241 | ||
1242 | /* update flags */ | |
45a8eba9 | 1243 | if ((af_conf->flags & F_LDPD_AF_THELLO_ACCEPT) && |
8429abe0 | 1244 | !(xa->flags & F_LDPD_AF_THELLO_ACCEPT)) |
45a8eba9 | 1245 | remove_dynamic_tnbrs = 1; |
8429abe0 RW |
1246 | if ((af_conf->flags & F_LDPD_AF_NO_GTSM) != |
1247 | (xa->flags & F_LDPD_AF_NO_GTSM)) { | |
1248 | if (af == AF_INET6) | |
1249 | /* need to set/unset IPV6_MINHOPCOUNT */ | |
1250 | update_sockets = 1; | |
45a8eba9 | 1251 | else |
8429abe0 | 1252 | /* for LDPv4 just resetting the neighbors is enough */ |
45a8eba9 | 1253 | reset_nbrs_ipv4 = 1; |
8429abe0 | 1254 | } |
8429abe0 RW |
1255 | if ((af_conf->flags & F_LDPD_AF_EXPNULL) != |
1256 | (xa->flags & F_LDPD_AF_EXPNULL)) | |
45a8eba9 | 1257 | change_egress_label = 1; |
8429abe0 RW |
1258 | af_conf->flags = xa->flags; |
1259 | ||
45a8eba9 | 1260 | /* update the transport address */ |
8429abe0 RW |
1261 | if (ldp_addrcmp(af, &af_conf->trans_addr, &xa->trans_addr)) { |
1262 | af_conf->trans_addr = xa->trans_addr; | |
1263 | update_sockets = 1; | |
1264 | } | |
1265 | ||
45a8eba9 RW |
1266 | /* update ACLs */ |
1267 | if (strcmp(af_conf->acl_label_advertise_to, | |
1268 | xa->acl_label_advertise_to) || | |
1269 | strcmp(af_conf->acl_label_advertise_for, | |
1270 | xa->acl_label_advertise_for) || | |
1271 | strcmp(af_conf->acl_label_accept_from, | |
1272 | xa->acl_label_accept_from) || | |
1273 | strcmp(af_conf->acl_label_accept_for, | |
1274 | xa->acl_label_accept_for)) | |
1275 | reset_nbrs = 1; | |
1276 | if (strcmp(af_conf->acl_thello_accept_from, xa->acl_thello_accept_from)) | |
1277 | remove_dynamic_tnbrs = 1; | |
1278 | if (strcmp(af_conf->acl_label_expnull_for, xa->acl_label_expnull_for)) | |
1279 | change_egress_label = 1; | |
1280 | strlcpy(af_conf->acl_thello_accept_from, xa->acl_thello_accept_from, | |
1281 | sizeof(af_conf->acl_thello_accept_from)); | |
1282 | strlcpy(af_conf->acl_label_allocate_for, xa->acl_label_allocate_for, | |
1283 | sizeof(af_conf->acl_label_allocate_for)); | |
1284 | strlcpy(af_conf->acl_label_advertise_to, xa->acl_label_advertise_to, | |
1285 | sizeof(af_conf->acl_label_advertise_to)); | |
1286 | strlcpy(af_conf->acl_label_advertise_for, xa->acl_label_advertise_for, | |
1287 | sizeof(af_conf->acl_label_advertise_for)); | |
1288 | strlcpy(af_conf->acl_label_accept_from, xa->acl_label_accept_from, | |
1289 | sizeof(af_conf->acl_label_accept_from)); | |
1290 | strlcpy(af_conf->acl_label_accept_for, xa->acl_label_accept_for, | |
1291 | sizeof(af_conf->acl_label_accept_for)); | |
1292 | strlcpy(af_conf->acl_label_expnull_for, xa->acl_label_expnull_for, | |
1293 | sizeof(af_conf->acl_label_expnull_for)); | |
1294 | ||
1295 | /* apply the new configuration */ | |
1296 | switch (ldpd_process) { | |
1297 | case PROC_LDE_ENGINE: | |
1298 | if (change_egress_label) | |
1299 | lde_change_egress_label(af); | |
1300 | break; | |
1301 | case PROC_LDP_ENGINE: | |
1302 | if (stop_init_backoff) | |
1303 | ldpe_stop_init_backoff(af); | |
1304 | if (remove_dynamic_tnbrs) | |
1305 | ldpe_remove_dynamic_tnbrs(af); | |
1306 | if (reset_nbrs) | |
1307 | ldpe_reset_nbrs(AF_UNSPEC); | |
1308 | else if (reset_nbrs_ipv4) | |
1309 | ldpe_reset_nbrs(AF_INET); | |
1310 | break; | |
1311 | case PROC_MAIN: | |
1312 | if (update_sockets && iev_ldpe) | |
1313 | imsg_compose_event(iev_ldpe, IMSG_CLOSE_SOCKETS, af, | |
1314 | 0, -1, NULL, 0); | |
1315 | break; | |
1316 | } | |
8429abe0 RW |
1317 | } |
1318 | ||
1319 | static void | |
b67c140b | 1320 | merge_ifaces(struct ldpd_conf *conf, struct ldpd_conf *xconf, void **ref) |
8429abe0 RW |
1321 | { |
1322 | struct iface *iface, *itmp, *xi; | |
1323 | ||
7d3d7491 | 1324 | RB_FOREACH_SAFE(iface, iface_head, &conf->iface_tree, itmp) { |
8429abe0 | 1325 | /* find deleted interfaces */ |
eac6e3f0 | 1326 | if ((xi = if_lookup_name(xconf, iface->name)) == NULL) { |
7d3d7491 | 1327 | RB_REMOVE(iface_head, &conf->iface_tree, iface); |
4af8997d RW |
1328 | |
1329 | switch (ldpd_process) { | |
1330 | case PROC_LDE_ENGINE: | |
1331 | break; | |
1332 | case PROC_LDP_ENGINE: | |
8429abe0 | 1333 | if_exit(iface); |
4af8997d RW |
1334 | break; |
1335 | case PROC_MAIN: | |
1336 | QOBJ_UNREG (iface); | |
1337 | break; | |
1338 | } | |
8429abe0 RW |
1339 | free(iface); |
1340 | } | |
1341 | } | |
7d3d7491 | 1342 | RB_FOREACH_SAFE(xi, iface_head, &xconf->iface_tree, itmp) { |
8429abe0 | 1343 | /* find new interfaces */ |
eac6e3f0 | 1344 | if ((iface = if_lookup_name(conf, xi->name)) == NULL) { |
7d3d7491 RW |
1345 | RB_REMOVE(iface_head, &xconf->iface_tree, xi); |
1346 | RB_INSERT(iface_head, &conf->iface_tree, xi); | |
8429abe0 | 1347 | |
4af8997d RW |
1348 | if (ldpd_process == PROC_MAIN) { |
1349 | QOBJ_REG (xi, iface); | |
1350 | /* resend addresses to activate new interfaces */ | |
8429abe0 | 1351 | kif_redistribute(xi->name); |
4af8997d | 1352 | } |
8429abe0 RW |
1353 | continue; |
1354 | } | |
1355 | ||
1356 | /* update existing interfaces */ | |
1357 | merge_iface_af(&iface->ipv4, &xi->ipv4); | |
1358 | merge_iface_af(&iface->ipv6, &xi->ipv6); | |
7d3d7491 | 1359 | RB_REMOVE(iface_head, &xconf->iface_tree, xi); |
b67c140b RW |
1360 | if (ref && *ref == xi) |
1361 | *ref = iface; | |
8429abe0 RW |
1362 | free(xi); |
1363 | } | |
1364 | } | |
1365 | ||
1366 | static void | |
1367 | merge_iface_af(struct iface_af *ia, struct iface_af *xi) | |
1368 | { | |
1369 | if (ia->enabled != xi->enabled) { | |
1370 | ia->enabled = xi->enabled; | |
1371 | if (ldpd_process == PROC_LDP_ENGINE) | |
1372 | if_update(ia->iface, ia->af); | |
1373 | } | |
1374 | ia->hello_holdtime = xi->hello_holdtime; | |
1375 | ia->hello_interval = xi->hello_interval; | |
1376 | } | |
1377 | ||
1378 | static void | |
b67c140b | 1379 | merge_tnbrs(struct ldpd_conf *conf, struct ldpd_conf *xconf, void **ref) |
8429abe0 RW |
1380 | { |
1381 | struct tnbr *tnbr, *ttmp, *xt; | |
1382 | ||
7989cdba | 1383 | RB_FOREACH_SAFE(tnbr, tnbr_head, &conf->tnbr_tree, ttmp) { |
8429abe0 RW |
1384 | if (!(tnbr->flags & F_TNBR_CONFIGURED)) |
1385 | continue; | |
1386 | ||
1387 | /* find deleted tnbrs */ | |
1388 | if ((xt = tnbr_find(xconf, tnbr->af, &tnbr->addr)) == NULL) { | |
4af8997d RW |
1389 | switch (ldpd_process) { |
1390 | case PROC_LDE_ENGINE: | |
7989cdba | 1391 | RB_REMOVE(tnbr_head, &conf->tnbr_tree, tnbr); |
4af8997d RW |
1392 | free(tnbr); |
1393 | break; | |
1394 | case PROC_LDP_ENGINE: | |
8429abe0 | 1395 | tnbr->flags &= ~F_TNBR_CONFIGURED; |
7989cdba | 1396 | tnbr_check(conf, tnbr); |
4af8997d RW |
1397 | break; |
1398 | case PROC_MAIN: | |
7989cdba | 1399 | RB_REMOVE(tnbr_head, &conf->tnbr_tree, tnbr); |
4af8997d | 1400 | QOBJ_UNREG (tnbr); |
8429abe0 | 1401 | free(tnbr); |
4af8997d | 1402 | break; |
8429abe0 RW |
1403 | } |
1404 | } | |
1405 | } | |
7989cdba | 1406 | RB_FOREACH_SAFE(xt, tnbr_head, &xconf->tnbr_tree, ttmp) { |
8429abe0 RW |
1407 | /* find new tnbrs */ |
1408 | if ((tnbr = tnbr_find(conf, xt->af, &xt->addr)) == NULL) { | |
7989cdba RW |
1409 | RB_REMOVE(tnbr_head, &xconf->tnbr_tree, xt); |
1410 | RB_INSERT(tnbr_head, &conf->tnbr_tree, xt); | |
8429abe0 | 1411 | |
4af8997d RW |
1412 | switch (ldpd_process) { |
1413 | case PROC_LDE_ENGINE: | |
1414 | break; | |
1415 | case PROC_LDP_ENGINE: | |
8429abe0 | 1416 | tnbr_update(xt); |
4af8997d RW |
1417 | break; |
1418 | case PROC_MAIN: | |
1419 | QOBJ_REG (xt, tnbr); | |
1420 | break; | |
1421 | } | |
8429abe0 RW |
1422 | continue; |
1423 | } | |
1424 | ||
1425 | /* update existing tnbrs */ | |
1426 | if (!(tnbr->flags & F_TNBR_CONFIGURED)) | |
1427 | tnbr->flags |= F_TNBR_CONFIGURED; | |
7989cdba | 1428 | RB_REMOVE(tnbr_head, &xconf->tnbr_tree, xt); |
b67c140b RW |
1429 | if (ref && *ref == xt) |
1430 | *ref = tnbr; | |
8429abe0 RW |
1431 | free(xt); |
1432 | } | |
1433 | } | |
1434 | ||
1435 | static void | |
b67c140b | 1436 | merge_nbrps(struct ldpd_conf *conf, struct ldpd_conf *xconf, void **ref) |
8429abe0 RW |
1437 | { |
1438 | struct nbr_params *nbrp, *ntmp, *xn; | |
1439 | struct nbr *nbr; | |
1440 | int nbrp_changed; | |
1441 | ||
76c4abd1 | 1442 | RB_FOREACH_SAFE(nbrp, nbrp_head, &conf->nbrp_tree, ntmp) { |
8429abe0 RW |
1443 | /* find deleted nbrps */ |
1444 | if ((xn = nbr_params_find(xconf, nbrp->lsr_id)) == NULL) { | |
4af8997d RW |
1445 | switch (ldpd_process) { |
1446 | case PROC_LDE_ENGINE: | |
1447 | break; | |
1448 | case PROC_LDP_ENGINE: | |
8429abe0 RW |
1449 | nbr = nbr_find_ldpid(nbrp->lsr_id.s_addr); |
1450 | if (nbr) { | |
1451 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); | |
eac6e3f0 | 1452 | #ifdef __OpenBSD__ |
8429abe0 | 1453 | pfkey_remove(nbr); |
eac6e3f0 RW |
1454 | #else |
1455 | sock_set_md5sig( | |
1456 | (ldp_af_global_get(&global, | |
1457 | nbr->af))->ldp_session_socket, | |
1458 | nbr->af, &nbr->raddr, NULL); | |
1459 | #endif | |
8429abe0 RW |
1460 | if (nbr_session_active_role(nbr)) |
1461 | nbr_establish_connection(nbr); | |
1462 | } | |
4af8997d RW |
1463 | break; |
1464 | case PROC_MAIN: | |
1465 | QOBJ_UNREG (nbrp); | |
1466 | break; | |
8429abe0 | 1467 | } |
76c4abd1 | 1468 | RB_REMOVE(nbrp_head, &conf->nbrp_tree, nbrp); |
8429abe0 RW |
1469 | free(nbrp); |
1470 | } | |
1471 | } | |
76c4abd1 | 1472 | RB_FOREACH_SAFE(xn, nbrp_head, &xconf->nbrp_tree, ntmp) { |
8429abe0 RW |
1473 | /* find new nbrps */ |
1474 | if ((nbrp = nbr_params_find(conf, xn->lsr_id)) == NULL) { | |
76c4abd1 RW |
1475 | RB_REMOVE(nbrp_head, &xconf->nbrp_tree, xn); |
1476 | RB_INSERT(nbrp_head, &conf->nbrp_tree, xn); | |
8429abe0 | 1477 | |
4af8997d RW |
1478 | switch (ldpd_process) { |
1479 | case PROC_LDE_ENGINE: | |
1480 | break; | |
1481 | case PROC_LDP_ENGINE: | |
8429abe0 RW |
1482 | nbr = nbr_find_ldpid(xn->lsr_id.s_addr); |
1483 | if (nbr) { | |
1484 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); | |
eac6e3f0 | 1485 | #ifdef __OpenBSD__ |
8429abe0 RW |
1486 | if (pfkey_establish(nbr, xn) == -1) |
1487 | fatalx("pfkey setup failed"); | |
eac6e3f0 RW |
1488 | #else |
1489 | sock_set_md5sig( | |
1490 | (ldp_af_global_get(&global, | |
1491 | nbr->af))->ldp_session_socket, | |
1492 | nbr->af, &nbr->raddr, | |
1493 | xn->auth.md5key); | |
1494 | #endif | |
8429abe0 RW |
1495 | if (nbr_session_active_role(nbr)) |
1496 | nbr_establish_connection(nbr); | |
1497 | } | |
4af8997d RW |
1498 | break; |
1499 | case PROC_MAIN: | |
1500 | QOBJ_REG (xn, nbr_params); | |
1501 | break; | |
8429abe0 RW |
1502 | } |
1503 | continue; | |
1504 | } | |
1505 | ||
1506 | /* update existing nbrps */ | |
1507 | if (nbrp->flags != xn->flags || | |
1508 | nbrp->keepalive != xn->keepalive || | |
1509 | nbrp->gtsm_enabled != xn->gtsm_enabled || | |
1510 | nbrp->gtsm_hops != xn->gtsm_hops || | |
1511 | nbrp->auth.method != xn->auth.method || | |
1512 | strcmp(nbrp->auth.md5key, xn->auth.md5key) != 0) | |
1513 | nbrp_changed = 1; | |
1514 | else | |
1515 | nbrp_changed = 0; | |
1516 | ||
1517 | nbrp->keepalive = xn->keepalive; | |
1518 | nbrp->gtsm_enabled = xn->gtsm_enabled; | |
1519 | nbrp->gtsm_hops = xn->gtsm_hops; | |
1520 | nbrp->auth.method = xn->auth.method; | |
1521 | strlcpy(nbrp->auth.md5key, xn->auth.md5key, | |
1522 | sizeof(nbrp->auth.md5key)); | |
1523 | nbrp->auth.md5key_len = xn->auth.md5key_len; | |
1524 | nbrp->flags = xn->flags; | |
1525 | ||
1526 | if (ldpd_process == PROC_LDP_ENGINE) { | |
1527 | nbr = nbr_find_ldpid(nbrp->lsr_id.s_addr); | |
1528 | if (nbr && nbrp_changed) { | |
1529 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); | |
eac6e3f0 | 1530 | #ifdef __OpenBSD__ |
8429abe0 RW |
1531 | pfkey_remove(nbr); |
1532 | if (pfkey_establish(nbr, nbrp) == -1) | |
1533 | fatalx("pfkey setup failed"); | |
eac6e3f0 RW |
1534 | #else |
1535 | sock_set_md5sig((ldp_af_global_get(&global, | |
1536 | nbr->af))->ldp_session_socket, nbr->af, | |
1537 | &nbr->raddr, nbrp->auth.md5key); | |
1538 | #endif | |
8429abe0 RW |
1539 | if (nbr_session_active_role(nbr)) |
1540 | nbr_establish_connection(nbr); | |
1541 | } | |
1542 | } | |
76c4abd1 | 1543 | RB_REMOVE(nbrp_head, &xconf->nbrp_tree, xn); |
b67c140b RW |
1544 | if (ref && *ref == xn) |
1545 | *ref = nbrp; | |
8429abe0 RW |
1546 | free(xn); |
1547 | } | |
1548 | } | |
1549 | ||
1550 | static void | |
b67c140b | 1551 | merge_l2vpns(struct ldpd_conf *conf, struct ldpd_conf *xconf, void **ref) |
8429abe0 RW |
1552 | { |
1553 | struct l2vpn *l2vpn, *ltmp, *xl; | |
4af8997d RW |
1554 | struct l2vpn_if *lif; |
1555 | struct l2vpn_pw *pw; | |
8429abe0 | 1556 | |
90d7e7bd | 1557 | RB_FOREACH_SAFE(l2vpn, l2vpn_head, &conf->l2vpn_tree, ltmp) { |
8429abe0 RW |
1558 | /* find deleted l2vpns */ |
1559 | if ((xl = l2vpn_find(xconf, l2vpn->name)) == NULL) { | |
90d7e7bd | 1560 | RB_REMOVE(l2vpn_head, &conf->l2vpn_tree, l2vpn); |
8429abe0 RW |
1561 | |
1562 | switch (ldpd_process) { | |
1563 | case PROC_LDE_ENGINE: | |
1564 | l2vpn_exit(l2vpn); | |
1565 | break; | |
1566 | case PROC_LDP_ENGINE: | |
1567 | ldpe_l2vpn_exit(l2vpn); | |
1568 | break; | |
1569 | case PROC_MAIN: | |
029c1958 | 1570 | RB_FOREACH(lif, l2vpn_if_head, &l2vpn->if_tree) |
4af8997d | 1571 | QOBJ_UNREG (lif); |
20bacaeb | 1572 | RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_tree) |
4af8997d | 1573 | QOBJ_UNREG (pw); |
20bacaeb | 1574 | RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_inactive_tree) |
4af8997d RW |
1575 | QOBJ_UNREG (pw); |
1576 | QOBJ_UNREG (l2vpn); | |
8429abe0 RW |
1577 | break; |
1578 | } | |
1579 | l2vpn_del(l2vpn); | |
1580 | } | |
1581 | } | |
90d7e7bd | 1582 | RB_FOREACH_SAFE(xl, l2vpn_head, &xconf->l2vpn_tree, ltmp) { |
8429abe0 RW |
1583 | /* find new l2vpns */ |
1584 | if ((l2vpn = l2vpn_find(conf, xl->name)) == NULL) { | |
90d7e7bd RW |
1585 | RB_REMOVE(l2vpn_head, &xconf->l2vpn_tree, xl); |
1586 | RB_INSERT(l2vpn_head, &conf->l2vpn_tree, xl); | |
8429abe0 RW |
1587 | |
1588 | switch (ldpd_process) { | |
1589 | case PROC_LDE_ENGINE: | |
1590 | l2vpn_init(xl); | |
1591 | break; | |
1592 | case PROC_LDP_ENGINE: | |
1593 | ldpe_l2vpn_init(xl); | |
1594 | break; | |
1595 | case PROC_MAIN: | |
4af8997d | 1596 | QOBJ_REG (xl, l2vpn); |
8429abe0 RW |
1597 | break; |
1598 | } | |
1599 | continue; | |
1600 | } | |
1601 | ||
1602 | /* update existing l2vpns */ | |
b67c140b | 1603 | merge_l2vpn(conf, l2vpn, xl, ref); |
90d7e7bd | 1604 | RB_REMOVE(l2vpn_head, &xconf->l2vpn_tree, xl); |
b67c140b RW |
1605 | if (ref && *ref == xl) |
1606 | *ref = l2vpn; | |
8429abe0 RW |
1607 | free(xl); |
1608 | } | |
1609 | } | |
1610 | ||
1611 | static void | |
b67c140b | 1612 | merge_l2vpn(struct ldpd_conf *xconf, struct l2vpn *l2vpn, struct l2vpn *xl, void **ref) |
8429abe0 RW |
1613 | { |
1614 | struct l2vpn_if *lif, *ftmp, *xf; | |
1615 | struct l2vpn_pw *pw, *ptmp, *xp; | |
1616 | struct nbr *nbr; | |
1617 | int reset_nbr, reinstall_pwfec, reinstall_tnbr; | |
20bacaeb | 1618 | struct l2vpn_pw_head pw_aux_list; |
8429abe0 RW |
1619 | int previous_pw_type, previous_mtu; |
1620 | ||
1621 | previous_pw_type = l2vpn->pw_type; | |
1622 | previous_mtu = l2vpn->mtu; | |
1623 | ||
1624 | /* merge intefaces */ | |
029c1958 | 1625 | RB_FOREACH_SAFE(lif, l2vpn_if_head, &l2vpn->if_tree, ftmp) { |
8429abe0 | 1626 | /* find deleted interfaces */ |
eac6e3f0 | 1627 | if ((xf = l2vpn_if_find_name(xl, lif->ifname)) == NULL) { |
4af8997d RW |
1628 | if (ldpd_process == PROC_MAIN) |
1629 | QOBJ_UNREG (lif); | |
029c1958 | 1630 | RB_REMOVE(l2vpn_if_head, &l2vpn->if_tree, lif); |
8429abe0 RW |
1631 | free(lif); |
1632 | } | |
1633 | } | |
029c1958 | 1634 | RB_FOREACH_SAFE(xf, l2vpn_if_head, &xl->if_tree, ftmp) { |
8429abe0 | 1635 | /* find new interfaces */ |
eac6e3f0 | 1636 | if ((lif = l2vpn_if_find_name(l2vpn, xf->ifname)) == NULL) { |
029c1958 RW |
1637 | RB_REMOVE(l2vpn_if_head, &xl->if_tree, xf); |
1638 | RB_INSERT(l2vpn_if_head, &l2vpn->if_tree, xf); | |
8429abe0 | 1639 | xf->l2vpn = l2vpn; |
4af8997d RW |
1640 | if (ldpd_process == PROC_MAIN) |
1641 | QOBJ_REG (xf, l2vpn_if); | |
8429abe0 RW |
1642 | continue; |
1643 | } | |
1644 | ||
029c1958 | 1645 | RB_REMOVE(l2vpn_if_head, &xl->if_tree, xf); |
b67c140b RW |
1646 | if (ref && *ref == xf) |
1647 | *ref = lif; | |
8429abe0 RW |
1648 | free(xf); |
1649 | } | |
1650 | ||
eac6e3f0 | 1651 | /* merge active pseudowires */ |
20bacaeb RW |
1652 | RB_INIT(&pw_aux_list); |
1653 | RB_FOREACH_SAFE(pw, l2vpn_pw_head, &l2vpn->pw_tree, ptmp) { | |
eac6e3f0 RW |
1654 | /* find deleted active pseudowires */ |
1655 | if ((xp = l2vpn_pw_find_name(xl, pw->ifname)) == NULL) { | |
8429abe0 RW |
1656 | switch (ldpd_process) { |
1657 | case PROC_LDE_ENGINE: | |
1658 | l2vpn_pw_exit(pw); | |
1659 | break; | |
1660 | case PROC_LDP_ENGINE: | |
1661 | ldpe_l2vpn_pw_exit(pw); | |
1662 | break; | |
1663 | case PROC_MAIN: | |
4af8997d | 1664 | QOBJ_UNREG (pw); |
8429abe0 RW |
1665 | break; |
1666 | } | |
1667 | ||
20bacaeb | 1668 | RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_tree, pw); |
8429abe0 RW |
1669 | free(pw); |
1670 | } | |
1671 | } | |
20bacaeb | 1672 | RB_FOREACH_SAFE(xp, l2vpn_pw_head, &xl->pw_tree, ptmp) { |
eac6e3f0 RW |
1673 | /* find new active pseudowires */ |
1674 | if ((pw = l2vpn_pw_find_name(l2vpn, xp->ifname)) == NULL) { | |
20bacaeb RW |
1675 | RB_REMOVE(l2vpn_pw_head, &xl->pw_tree, xp); |
1676 | RB_INSERT(l2vpn_pw_head, &l2vpn->pw_tree, xp); | |
8429abe0 RW |
1677 | xp->l2vpn = l2vpn; |
1678 | ||
1679 | switch (ldpd_process) { | |
1680 | case PROC_LDE_ENGINE: | |
1681 | l2vpn_pw_init(xp); | |
1682 | break; | |
1683 | case PROC_LDP_ENGINE: | |
1684 | ldpe_l2vpn_pw_init(xp); | |
1685 | break; | |
1686 | case PROC_MAIN: | |
4af8997d | 1687 | QOBJ_REG (xp, l2vpn_pw); |
8429abe0 RW |
1688 | break; |
1689 | } | |
1690 | continue; | |
1691 | } | |
1692 | ||
eac6e3f0 | 1693 | /* update existing active pseudowire */ |
8429abe0 RW |
1694 | if (pw->af != xp->af || |
1695 | ldp_addrcmp(pw->af, &pw->addr, &xp->addr)) | |
1696 | reinstall_tnbr = 1; | |
1697 | else | |
1698 | reinstall_tnbr = 0; | |
1699 | ||
1700 | /* changes that require a session restart */ | |
1701 | if ((pw->flags & (F_PW_STATUSTLV_CONF|F_PW_CWORD_CONF)) != | |
1702 | (xp->flags & (F_PW_STATUSTLV_CONF|F_PW_CWORD_CONF))) | |
1703 | reset_nbr = 1; | |
1704 | else | |
1705 | reset_nbr = 0; | |
1706 | ||
1707 | if (l2vpn->pw_type != xl->pw_type || l2vpn->mtu != xl->mtu || | |
1708 | pw->pwid != xp->pwid || reinstall_tnbr || reset_nbr || | |
1709 | pw->lsr_id.s_addr != xp->lsr_id.s_addr) | |
1710 | reinstall_pwfec = 1; | |
1711 | else | |
1712 | reinstall_pwfec = 0; | |
1713 | ||
eac6e3f0 RW |
1714 | /* check if the pseudowire should be disabled */ |
1715 | if (xp->lsr_id.s_addr == INADDR_ANY || xp->pwid == 0) { | |
1716 | reinstall_tnbr = 0; | |
1717 | reset_nbr = 0; | |
1718 | reinstall_pwfec = 0; | |
1719 | ||
1720 | switch (ldpd_process) { | |
1721 | case PROC_LDE_ENGINE: | |
1722 | l2vpn_pw_exit(pw); | |
1723 | break; | |
1724 | case PROC_LDP_ENGINE: | |
1725 | ldpe_l2vpn_pw_exit(pw); | |
1726 | break; | |
1727 | case PROC_MAIN: | |
1728 | break; | |
1729 | } | |
1730 | ||
1731 | /* remove from active list */ | |
20bacaeb RW |
1732 | RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_tree, pw); |
1733 | RB_INSERT(l2vpn_pw_head, &pw_aux_list, pw); | |
eac6e3f0 RW |
1734 | } |
1735 | ||
8429abe0 RW |
1736 | if (ldpd_process == PROC_LDP_ENGINE) { |
1737 | if (reinstall_tnbr) | |
1738 | ldpe_l2vpn_pw_exit(pw); | |
1739 | if (reset_nbr) { | |
1740 | nbr = nbr_find_ldpid(pw->lsr_id.s_addr); | |
1741 | if (nbr && nbr->state == NBR_STA_OPER) | |
1742 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); | |
1743 | } | |
1744 | } | |
1745 | if (ldpd_process == PROC_LDE_ENGINE && | |
1746 | !reset_nbr && reinstall_pwfec) | |
1747 | l2vpn_pw_exit(pw); | |
1748 | pw->lsr_id = xp->lsr_id; | |
1749 | pw->af = xp->af; | |
1750 | pw->addr = xp->addr; | |
1751 | pw->pwid = xp->pwid; | |
1752 | strlcpy(pw->ifname, xp->ifname, sizeof(pw->ifname)); | |
1753 | pw->ifindex = xp->ifindex; | |
1754 | if (xp->flags & F_PW_CWORD_CONF) | |
1755 | pw->flags |= F_PW_CWORD_CONF; | |
1756 | else | |
1757 | pw->flags &= ~F_PW_CWORD_CONF; | |
1758 | if (xp->flags & F_PW_STATUSTLV_CONF) | |
1759 | pw->flags |= F_PW_STATUSTLV_CONF; | |
1760 | else | |
1761 | pw->flags &= ~F_PW_STATUSTLV_CONF; | |
eac6e3f0 RW |
1762 | if (xp->flags & F_PW_STATIC_NBR_ADDR) |
1763 | pw->flags |= F_PW_STATIC_NBR_ADDR; | |
1764 | else | |
1765 | pw->flags &= ~F_PW_STATIC_NBR_ADDR; | |
8429abe0 RW |
1766 | if (ldpd_process == PROC_LDP_ENGINE && reinstall_tnbr) |
1767 | ldpe_l2vpn_pw_init(pw); | |
1768 | if (ldpd_process == PROC_LDE_ENGINE && | |
1769 | !reset_nbr && reinstall_pwfec) { | |
1770 | l2vpn->pw_type = xl->pw_type; | |
1771 | l2vpn->mtu = xl->mtu; | |
1772 | l2vpn_pw_init(pw); | |
1773 | l2vpn->pw_type = previous_pw_type; | |
1774 | l2vpn->mtu = previous_mtu; | |
1775 | } | |
1776 | ||
20bacaeb | 1777 | RB_REMOVE(l2vpn_pw_head, &xl->pw_tree, xp); |
b67c140b RW |
1778 | if (ref && *ref == xp) |
1779 | *ref = pw; | |
8429abe0 RW |
1780 | free(xp); |
1781 | } | |
1782 | ||
eac6e3f0 | 1783 | /* merge inactive pseudowires */ |
20bacaeb | 1784 | RB_FOREACH_SAFE(pw, l2vpn_pw_head, &l2vpn->pw_inactive_tree, ptmp) { |
eac6e3f0 RW |
1785 | /* find deleted inactive pseudowires */ |
1786 | if ((xp = l2vpn_pw_find_name(xl, pw->ifname)) == NULL) { | |
20bacaeb | 1787 | RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_inactive_tree, pw); |
4af8997d RW |
1788 | if (ldpd_process == PROC_MAIN) |
1789 | QOBJ_UNREG (pw); | |
eac6e3f0 RW |
1790 | free(pw); |
1791 | } | |
1792 | } | |
20bacaeb | 1793 | RB_FOREACH_SAFE(xp, l2vpn_pw_head, &xl->pw_inactive_tree, ptmp) { |
eac6e3f0 RW |
1794 | /* find new inactive pseudowires */ |
1795 | if ((pw = l2vpn_pw_find_name(l2vpn, xp->ifname)) == NULL) { | |
20bacaeb RW |
1796 | RB_REMOVE(l2vpn_pw_head, &xl->pw_inactive_tree, xp); |
1797 | RB_INSERT(l2vpn_pw_head, &l2vpn->pw_inactive_tree, xp); | |
eac6e3f0 | 1798 | xp->l2vpn = l2vpn; |
4af8997d RW |
1799 | if (ldpd_process == PROC_MAIN) |
1800 | QOBJ_REG (xp, l2vpn_pw); | |
eac6e3f0 RW |
1801 | continue; |
1802 | } | |
1803 | ||
1804 | /* update existing inactive pseudowire */ | |
1805 | pw->lsr_id.s_addr = xp->lsr_id.s_addr; | |
1806 | pw->af = xp->af; | |
1807 | pw->addr = xp->addr; | |
1808 | pw->pwid = xp->pwid; | |
1809 | strlcpy(pw->ifname, xp->ifname, sizeof(pw->ifname)); | |
1810 | pw->ifindex = xp->ifindex; | |
1811 | pw->flags = xp->flags; | |
1812 | ||
1813 | /* check if the pseudowire should be activated */ | |
1814 | if (pw->lsr_id.s_addr != INADDR_ANY && pw->pwid != 0) { | |
1815 | /* remove from inactive list */ | |
20bacaeb RW |
1816 | RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_inactive_tree, pw); |
1817 | RB_INSERT(l2vpn_pw_head, &l2vpn->pw_tree, pw); | |
eac6e3f0 RW |
1818 | |
1819 | switch (ldpd_process) { | |
1820 | case PROC_LDE_ENGINE: | |
1821 | l2vpn_pw_init(pw); | |
1822 | break; | |
1823 | case PROC_LDP_ENGINE: | |
1824 | ldpe_l2vpn_pw_init(pw); | |
1825 | break; | |
1826 | case PROC_MAIN: | |
1827 | break; | |
1828 | } | |
1829 | } | |
1830 | ||
20bacaeb | 1831 | RB_REMOVE(l2vpn_pw_head, &xl->pw_inactive_tree, xp); |
b67c140b RW |
1832 | if (ref && *ref == xp) |
1833 | *ref = pw; | |
eac6e3f0 RW |
1834 | free(xp); |
1835 | } | |
1836 | ||
1837 | /* insert pseudowires that were disabled in the inactive list */ | |
20bacaeb RW |
1838 | RB_FOREACH_SAFE(pw, l2vpn_pw_head, &pw_aux_list, ptmp) { |
1839 | RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_tree, pw); | |
1840 | RB_INSERT(l2vpn_pw_head, &l2vpn->pw_inactive_tree, pw); | |
eac6e3f0 RW |
1841 | } |
1842 | ||
8429abe0 RW |
1843 | l2vpn->pw_type = xl->pw_type; |
1844 | l2vpn->mtu = xl->mtu; | |
1845 | strlcpy(l2vpn->br_ifname, xl->br_ifname, sizeof(l2vpn->br_ifname)); | |
1846 | l2vpn->br_ifindex = xl->br_ifindex; | |
1847 | } | |
1848 | ||
1849 | struct ldpd_conf * | |
1850 | config_new_empty(void) | |
1851 | { | |
1852 | struct ldpd_conf *xconf; | |
1853 | ||
1854 | xconf = calloc(1, sizeof(*xconf)); | |
1855 | if (xconf == NULL) | |
1856 | fatal(NULL); | |
1857 | ||
7d3d7491 | 1858 | RB_INIT(&xconf->iface_tree); |
7989cdba | 1859 | RB_INIT(&xconf->tnbr_tree); |
76c4abd1 | 1860 | RB_INIT(&xconf->nbrp_tree); |
90d7e7bd | 1861 | RB_INIT(&xconf->l2vpn_tree); |
8429abe0 RW |
1862 | |
1863 | return (xconf); | |
1864 | } | |
1865 | ||
1866 | void | |
1867 | config_clear(struct ldpd_conf *conf) | |
1868 | { | |
1869 | struct ldpd_conf *xconf; | |
1870 | ||
1871 | /* | |
1872 | * Merge current config with an empty config, this will deactivate | |
1873 | * and deallocate all the interfaces, pseudowires and so on. Before | |
1874 | * merging, copy the router-id and other variables to avoid some | |
1875 | * unnecessary operations, like trying to reset the neighborships. | |
1876 | */ | |
1877 | xconf = config_new_empty(); | |
1878 | xconf->ipv4 = conf->ipv4; | |
1879 | xconf->ipv6 = conf->ipv6; | |
1880 | xconf->rtr_id = conf->rtr_id; | |
1881 | xconf->trans_pref = conf->trans_pref; | |
1882 | xconf->flags = conf->flags; | |
1883 | merge_config(conf, xconf); | |
4af8997d RW |
1884 | if (ldpd_process == PROC_MAIN) |
1885 | QOBJ_UNREG (conf); | |
8429abe0 RW |
1886 | free(conf); |
1887 | } |