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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); | |
274f5abf | 47 | static pid_t start_child(enum ldpd_process, char *, int, int); |
eac6e3f0 RW |
48 | static int main_dispatch_ldpe(struct thread *); |
49 | static int main_dispatch_lde(struct thread *); | |
8429abe0 RW |
50 | static int main_imsg_send_ipc_sockets(struct imsgbuf *, |
51 | struct imsgbuf *); | |
52 | static void main_imsg_send_net_sockets(int); | |
53 | static void main_imsg_send_net_socket(int, enum socket_type); | |
54 | static int main_imsg_send_config(struct ldpd_conf *); | |
56b8a8d2 | 55 | static void ldp_config_normalize(struct ldpd_conf *); |
e4a82008 | 56 | static void ldp_config_reset(struct ldpd_conf *); |
56b8a8d2 RW |
57 | static void ldp_config_reset_main(struct ldpd_conf *); |
58 | static void ldp_config_reset_af(struct ldpd_conf *, int); | |
1d75a89d | 59 | static void ldp_config_reset_l2vpns(struct ldpd_conf *); |
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 *); | |
56b8a8d2 | 63 | static void merge_ifaces(struct ldpd_conf *, struct ldpd_conf *); |
8429abe0 | 64 | static void merge_iface_af(struct iface_af *, struct iface_af *); |
56b8a8d2 RW |
65 | static void merge_tnbrs(struct ldpd_conf *, struct ldpd_conf *); |
66 | static void merge_nbrps(struct ldpd_conf *, struct ldpd_conf *); | |
67 | static void merge_l2vpns(struct ldpd_conf *, struct ldpd_conf *); | |
8429abe0 | 68 | static void merge_l2vpn(struct ldpd_conf *, struct l2vpn *, |
56b8a8d2 | 69 | struct l2vpn *); |
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 | 79 | struct ldpd_global global; |
274f5abf | 80 | struct ldpd_init init; |
56b8a8d2 | 81 | struct ldpd_conf *ldpd_conf, *vty_conf; |
8429abe0 | 82 | |
28e8294c RW |
83 | static struct imsgev *iev_ldpe, *iev_ldpe_sync; |
84 | static struct imsgev *iev_lde, *iev_lde_sync; | |
8429abe0 RW |
85 | static pid_t ldpe_pid; |
86 | static pid_t lde_pid; | |
87 | ||
eac6e3f0 RW |
88 | #define LDP_DEFAULT_CONFIG "ldpd.conf" |
89 | #define LDP_VTY_PORT 2612 | |
90 | ||
91 | /* Master of threads. */ | |
92 | struct thread_master *master; | |
93 | ||
dbce3582 RW |
94 | static struct frr_daemon_info ldpd_di; |
95 | ||
eac6e3f0 RW |
96 | /* ldpd privileges */ |
97 | static zebra_capabilities_t _caps_p [] = | |
8429abe0 | 98 | { |
eac6e3f0 RW |
99 | ZCAP_BIND, |
100 | ZCAP_NET_ADMIN | |
101 | }; | |
102 | ||
103 | struct zebra_privs_t ldpd_privs = | |
104 | { | |
b2f36157 DL |
105 | #if defined(FRR_USER) && defined(FRR_GROUP) |
106 | .user = FRR_USER, | |
107 | .group = FRR_GROUP, | |
eac6e3f0 RW |
108 | #endif |
109 | #if defined(VTY_GROUP) | |
110 | .vty_group = VTY_GROUP, | |
111 | #endif | |
112 | .caps_p = _caps_p, | |
113 | .cap_num_p = array_size(_caps_p), | |
114 | .cap_num_i = 0 | |
115 | }; | |
116 | ||
372b8bd3 RW |
117 | /* CTL Socket path */ |
118 | char ctl_sock_path[MAXPATHLEN] = LDPD_SOCKET; | |
119 | ||
eac6e3f0 | 120 | /* LDPd options. */ |
372b8bd3 | 121 | #define OPTION_CTLSOCK 1001 |
eac6e3f0 RW |
122 | static struct option longopts[] = |
123 | { | |
372b8bd3 | 124 | { "ctl_socket", required_argument, NULL, OPTION_CTLSOCK}, |
fea12efb | 125 | { "instance", required_argument, NULL, 'n'}, |
eac6e3f0 RW |
126 | { 0 } |
127 | }; | |
128 | ||
eac6e3f0 RW |
129 | /* SIGHUP handler. */ |
130 | static void | |
131 | sighup(void) | |
132 | { | |
133 | log_info("SIGHUP received"); | |
dbce3582 | 134 | |
dbce3582 | 135 | /* |
e4a82008 RW |
136 | * Do a full configuration reload. In other words, reset vty_conf |
137 | * and build a new configuartion from scratch. | |
dbce3582 | 138 | */ |
e4a82008 RW |
139 | ldp_config_reset(vty_conf); |
140 | vty_read_config(ldpd_di.config_file, config_default); | |
141 | ldp_config_apply(NULL, vty_conf); | |
eac6e3f0 RW |
142 | } |
143 | ||
144 | /* SIGINT / SIGTERM handler. */ | |
145 | static void | |
146 | sigint(void) | |
8429abe0 | 147 | { |
eac6e3f0 RW |
148 | log_info("SIGINT received"); |
149 | ldpd_shutdown(); | |
150 | } | |
8429abe0 | 151 | |
eac6e3f0 RW |
152 | /* SIGUSR1 handler. */ |
153 | static void | |
154 | sigusr1(void) | |
155 | { | |
dd8376fe | 156 | zlog_rotate(); |
8429abe0 RW |
157 | } |
158 | ||
eac6e3f0 RW |
159 | static struct quagga_signal_t ldp_signals[] = |
160 | { | |
161 | { | |
162 | .signal = SIGHUP, | |
163 | .handler = &sighup, | |
164 | }, | |
165 | { | |
166 | .signal = SIGINT, | |
167 | .handler = &sigint, | |
168 | }, | |
169 | { | |
170 | .signal = SIGTERM, | |
171 | .handler = &sigint, | |
172 | }, | |
173 | { | |
174 | .signal = SIGUSR1, | |
175 | .handler = &sigusr1, | |
176 | } | |
177 | }; | |
178 | ||
4f04a76b DL |
179 | FRR_DAEMON_INFO(ldpd, LDP, |
180 | .vty_port = LDP_VTY_PORT, | |
181 | ||
182 | .proghelp = "Implementation of the LDP protocol.", | |
183 | ||
184 | .signals = ldp_signals, | |
185 | .n_signals = array_size(ldp_signals), | |
186 | ||
187 | .privs = &ldpd_privs, | |
188 | ) | |
189 | ||
8429abe0 RW |
190 | int |
191 | main(int argc, char *argv[]) | |
192 | { | |
8429abe0 | 193 | char *saved_argv0; |
eac6e3f0 | 194 | int lflag = 0, eflag = 0; |
28e8294c RW |
195 | int pipe_parent2ldpe[2], pipe_parent2ldpe_sync[2]; |
196 | int pipe_parent2lde[2], pipe_parent2lde_sync[2]; | |
372b8bd3 | 197 | char *ctl_sock_name; |
8429abe0 | 198 | |
8429abe0 | 199 | ldpd_process = PROC_MAIN; |
fa68f9da | 200 | log_procname = log_procnames[ldpd_process]; |
8429abe0 | 201 | |
8429abe0 RW |
202 | saved_argv0 = argv[0]; |
203 | if (saved_argv0 == NULL) | |
eac6e3f0 | 204 | saved_argv0 = (char *)"ldpd"; |
8429abe0 | 205 | |
4f04a76b | 206 | frr_preinit(&ldpd_di, argc, argv); |
fea12efb | 207 | frr_opt_add("LEn:", longopts, |
208 | " --ctl_socket Override ctl socket path\n" | |
7991dc32 | 209 | " -n, --instance Instance id\n"); |
4f04a76b | 210 | |
eac6e3f0 RW |
211 | while (1) { |
212 | int opt; | |
213 | ||
4f04a76b | 214 | opt = frr_getopt(argc, argv, NULL); |
eac6e3f0 RW |
215 | |
216 | if (opt == EOF) | |
8429abe0 | 217 | break; |
eac6e3f0 RW |
218 | |
219 | switch (opt) { | |
220 | case 0: | |
221 | break; | |
372b8bd3 RW |
222 | case OPTION_CTLSOCK: |
223 | ctl_sock_name = strrchr(LDPD_SOCKET, '/'); | |
224 | if (ctl_sock_name) | |
225 | /* skip '/' */ | |
226 | ctl_sock_name++; | |
227 | else | |
228 | /* | |
229 | * LDPD_SOCKET configured as relative path | |
230 | * during config? Should really never happen for | |
231 | * sensible config | |
232 | */ | |
233 | ctl_sock_name = (char *)LDPD_SOCKET; | |
274f5abf | 234 | strlcpy(ctl_sock_path, optarg, sizeof(ctl_sock_path)); |
372b8bd3 RW |
235 | strlcat(ctl_sock_path, "/", sizeof(ctl_sock_path)); |
236 | strlcat(ctl_sock_path, ctl_sock_name, | |
237 | sizeof(ctl_sock_path)); | |
238 | break; | |
fea12efb | 239 | case 'n': |
274f5abf RW |
240 | init.instance = atoi(optarg); |
241 | if (init.instance < 1) | |
fea12efb | 242 | exit(0); |
243 | break; | |
8429abe0 RW |
244 | case 'L': |
245 | lflag = 1; | |
246 | break; | |
247 | case 'E': | |
248 | eflag = 1; | |
249 | break; | |
250 | default: | |
4f04a76b | 251 | frr_help_exit(1); |
eac6e3f0 | 252 | break; |
8429abe0 RW |
253 | } |
254 | } | |
255 | ||
274f5abf RW |
256 | strlcpy(init.user, ldpd_privs.user, sizeof(init.user)); |
257 | strlcpy(init.group, ldpd_privs.group, sizeof(init.group)); | |
258 | strlcpy(init.ctl_sock_path, ctl_sock_path, sizeof(init.ctl_sock_path)); | |
689f5a8c | 259 | strlcpy(init.zclient_serv_path, frr_zclientpath, |
274f5abf | 260 | sizeof(init.zclient_serv_path)); |
4f04a76b | 261 | |
8429abe0 | 262 | argc -= optind; |
8429abe0 | 263 | if (argc > 0 || (lflag && eflag)) |
4f04a76b | 264 | frr_help_exit(1); |
8429abe0 | 265 | |
eac6e3f0 RW |
266 | /* check for root privileges */ |
267 | if (geteuid() != 0) { | |
268 | errno = EPERM; | |
4f04a76b | 269 | perror(ldpd_di.progname); |
8429abe0 RW |
270 | exit(1); |
271 | } | |
272 | ||
16156c10 DL |
273 | if (lflag || eflag) |
274 | openzlog(ldpd_di.progname, "LDP", 0, | |
275 | LOG_CONS | LOG_NDELAY | LOG_PID, LOG_DAEMON); | |
eac6e3f0 | 276 | if (lflag) |
274f5abf | 277 | lde(); |
eac6e3f0 | 278 | else if (eflag) |
274f5abf | 279 | ldpe(); |
8429abe0 | 280 | |
eac6e3f0 | 281 | if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe_parent2ldpe) == -1) |
8429abe0 | 282 | fatal("socketpair"); |
28e8294c RW |
283 | if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, |
284 | pipe_parent2ldpe_sync) == -1) | |
285 | fatal("socketpair"); | |
eac6e3f0 | 286 | if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe_parent2lde) == -1) |
8429abe0 | 287 | fatal("socketpair"); |
28e8294c RW |
288 | if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, |
289 | pipe_parent2lde_sync) == -1) | |
290 | fatal("socketpair"); | |
eac6e3f0 RW |
291 | sock_set_nonblock(pipe_parent2ldpe[0]); |
292 | sock_set_cloexec(pipe_parent2ldpe[0]); | |
293 | sock_set_nonblock(pipe_parent2ldpe[1]); | |
294 | sock_set_cloexec(pipe_parent2ldpe[1]); | |
28e8294c RW |
295 | sock_set_nonblock(pipe_parent2ldpe_sync[0]); |
296 | sock_set_cloexec(pipe_parent2ldpe_sync[0]); | |
297 | sock_set_cloexec(pipe_parent2ldpe_sync[1]); | |
eac6e3f0 RW |
298 | sock_set_nonblock(pipe_parent2lde[0]); |
299 | sock_set_cloexec(pipe_parent2lde[0]); | |
300 | sock_set_nonblock(pipe_parent2lde[1]); | |
301 | sock_set_cloexec(pipe_parent2lde[1]); | |
28e8294c RW |
302 | sock_set_nonblock(pipe_parent2lde_sync[0]); |
303 | sock_set_cloexec(pipe_parent2lde_sync[0]); | |
304 | sock_set_cloexec(pipe_parent2lde_sync[1]); | |
8429abe0 RW |
305 | |
306 | /* start children */ | |
307 | lde_pid = start_child(PROC_LDE_ENGINE, saved_argv0, | |
274f5abf | 308 | pipe_parent2lde[1], pipe_parent2lde_sync[1]); |
8429abe0 | 309 | ldpe_pid = start_child(PROC_LDP_ENGINE, saved_argv0, |
274f5abf | 310 | pipe_parent2ldpe[1], pipe_parent2ldpe_sync[1]); |
8429abe0 | 311 | |
16156c10 | 312 | master = frr_init(); |
83139e57 | 313 | |
83139e57 | 314 | vty_config_lockless(); |
6df85364 | 315 | vrf_init(NULL, NULL, NULL, NULL); |
83139e57 RW |
316 | access_list_init(); |
317 | ldp_vty_init(); | |
eac6e3f0 | 318 | ldp_zebra_init(master); |
8429abe0 | 319 | |
56b8a8d2 | 320 | /* |
e4a82008 RW |
321 | * Create base configuration with sane defaults. All configuration |
322 | * requests (e.g. CLI) act on vty_conf and then call ldp_config_apply() | |
323 | * to merge the changes into ldpd_conf, which contains the actual | |
324 | * running configuration. | |
56b8a8d2 | 325 | */ |
e4a82008 | 326 | ldpd_conf = config_new_empty(); |
1d75a89d | 327 | vty_conf = config_new_empty(); |
1d75a89d | 328 | QOBJ_REG(vty_conf, ldpd_conf); |
56b8a8d2 RW |
329 | |
330 | /* read configuration file and daemonize */ | |
83139e57 RW |
331 | frr_config_fork(); |
332 | ||
e4a82008 RW |
333 | /* apply configuration */ |
334 | ldp_config_apply(NULL, vty_conf); | |
335 | ||
8429abe0 | 336 | /* setup pipes to children */ |
28e8294c RW |
337 | if ((iev_ldpe = calloc(1, sizeof(struct imsgev))) == NULL || |
338 | (iev_ldpe_sync = calloc(1, sizeof(struct imsgev))) == NULL || | |
339 | (iev_lde = calloc(1, sizeof(struct imsgev))) == NULL || | |
340 | (iev_lde_sync = calloc(1, sizeof(struct imsgev))) == NULL) | |
8429abe0 RW |
341 | fatal(NULL); |
342 | imsg_init(&iev_ldpe->ibuf, pipe_parent2ldpe[0]); | |
eac6e3f0 | 343 | iev_ldpe->handler_read = main_dispatch_ldpe; |
66e78ae6 QY |
344 | iev_ldpe->ev_read = NULL; |
345 | thread_add_read(master, iev_ldpe->handler_read, iev_ldpe, iev_ldpe->ibuf.fd, | |
346 | &iev_ldpe->ev_read); | |
eac6e3f0 | 347 | iev_ldpe->handler_write = ldp_write_handler; |
28e8294c RW |
348 | |
349 | imsg_init(&iev_ldpe_sync->ibuf, pipe_parent2ldpe_sync[0]); | |
350 | iev_ldpe_sync->handler_read = main_dispatch_ldpe; | |
66e78ae6 QY |
351 | iev_ldpe_sync->ev_read = NULL; |
352 | thread_add_read(master, iev_ldpe_sync->handler_read, iev_ldpe_sync, iev_ldpe_sync->ibuf.fd, | |
353 | &iev_ldpe_sync->ev_read); | |
28e8294c | 354 | iev_ldpe_sync->handler_write = ldp_write_handler; |
8429abe0 | 355 | |
eac6e3f0 RW |
356 | imsg_init(&iev_lde->ibuf, pipe_parent2lde[0]); |
357 | iev_lde->handler_read = main_dispatch_lde; | |
66e78ae6 QY |
358 | iev_lde->ev_read = NULL; |
359 | thread_add_read(master, iev_lde->handler_read, iev_lde, iev_lde->ibuf.fd, | |
360 | &iev_lde->ev_read); | |
eac6e3f0 | 361 | iev_lde->handler_write = ldp_write_handler; |
28e8294c RW |
362 | |
363 | imsg_init(&iev_lde_sync->ibuf, pipe_parent2lde_sync[0]); | |
364 | iev_lde_sync->handler_read = main_dispatch_lde; | |
66e78ae6 QY |
365 | iev_lde_sync->ev_read = NULL; |
366 | thread_add_read(master, iev_lde_sync->handler_read, iev_lde_sync, iev_lde_sync->ibuf.fd, | |
367 | &iev_lde_sync->ev_read); | |
28e8294c | 368 | iev_lde_sync->handler_write = ldp_write_handler; |
8429abe0 RW |
369 | |
370 | if (main_imsg_send_ipc_sockets(&iev_ldpe->ibuf, &iev_lde->ibuf)) | |
371 | fatal("could not establish imsg links"); | |
eac6e3f0 RW |
372 | main_imsg_compose_both(IMSG_DEBUG_UPDATE, &ldp_debug, |
373 | sizeof(ldp_debug)); | |
08e4b244 | 374 | main_imsg_compose_both(IMSG_INIT, &init, sizeof(init)); |
8429abe0 RW |
375 | main_imsg_send_config(ldpd_conf); |
376 | ||
8429abe0 RW |
377 | if (ldpd_conf->ipv4.flags & F_LDPD_AF_ENABLED) |
378 | main_imsg_send_net_sockets(AF_INET); | |
379 | if (ldpd_conf->ipv6.flags & F_LDPD_AF_ENABLED) | |
380 | main_imsg_send_net_sockets(AF_INET6); | |
381 | ||
16077f2f | 382 | frr_run(master); |
8429abe0 | 383 | |
8429abe0 RW |
384 | /* NOTREACHED */ |
385 | return (0); | |
386 | } | |
387 | ||
eac6e3f0 | 388 | static void |
8429abe0 RW |
389 | ldpd_shutdown(void) |
390 | { | |
391 | pid_t pid; | |
392 | int status; | |
393 | ||
03951374 DL |
394 | frr_early_fini(); |
395 | ||
8429abe0 RW |
396 | /* close pipes */ |
397 | msgbuf_clear(&iev_ldpe->ibuf.w); | |
398 | close(iev_ldpe->ibuf.fd); | |
399 | msgbuf_clear(&iev_lde->ibuf.w); | |
400 | close(iev_lde->ibuf.fd); | |
401 | ||
8429abe0 | 402 | config_clear(ldpd_conf); |
1d75a89d | 403 | |
e4a82008 | 404 | ldp_config_reset(vty_conf); |
1d75a89d RW |
405 | QOBJ_UNREG(vty_conf); |
406 | free(vty_conf); | |
8429abe0 RW |
407 | |
408 | log_debug("waiting for children to terminate"); | |
409 | do { | |
410 | pid = wait(&status); | |
411 | if (pid == -1) { | |
412 | if (errno != EINTR && errno != ECHILD) | |
413 | fatal("wait"); | |
414 | } else if (WIFSIGNALED(status)) | |
415 | log_warnx("%s terminated; signal %d", | |
416 | (pid == lde_pid) ? "label decision engine" : | |
417 | "ldp engine", WTERMSIG(status)); | |
418 | } while (pid != -1 || (pid == -1 && errno == EINTR)); | |
419 | ||
420 | free(iev_ldpe); | |
421 | free(iev_lde); | |
422 | ||
423 | log_info("terminating"); | |
64dffe25 RW |
424 | |
425 | vrf_terminate(); | |
45a8eba9 | 426 | access_list_reset(); |
64dffe25 | 427 | ldp_zebra_destroy(); |
64dffe25 | 428 | |
03951374 | 429 | frr_fini(); |
8429abe0 RW |
430 | exit(0); |
431 | } | |
432 | ||
433 | static pid_t | |
274f5abf | 434 | start_child(enum ldpd_process p, char *argv0, int fd_async, int fd_sync) |
8429abe0 | 435 | { |
274f5abf | 436 | char *argv[3]; |
547322cb | 437 | int argc = 0, nullfd; |
8429abe0 RW |
438 | pid_t pid; |
439 | ||
440 | switch (pid = fork()) { | |
441 | case -1: | |
442 | fatal("cannot fork"); | |
443 | case 0: | |
444 | break; | |
445 | default: | |
28e8294c RW |
446 | close(fd_async); |
447 | close(fd_sync); | |
8429abe0 RW |
448 | return (pid); |
449 | } | |
450 | ||
547322cb | 451 | nullfd = open("/dev/null", O_RDONLY | O_NOCTTY); |
993bab89 RW |
452 | if (nullfd == -1) { |
453 | zlog_err("%s: failed to open /dev/null: %s", __func__, | |
454 | safe_strerror(errno)); | |
455 | } else { | |
456 | dup2(nullfd, 0); | |
457 | dup2(nullfd, 1); | |
458 | dup2(nullfd, 2); | |
459 | close(nullfd); | |
460 | } | |
547322cb | 461 | |
28e8294c RW |
462 | if (dup2(fd_async, LDPD_FD_ASYNC) == -1) |
463 | fatal("cannot setup imsg async fd"); | |
464 | if (dup2(fd_sync, LDPD_FD_SYNC) == -1) | |
465 | fatal("cannot setup imsg sync fd"); | |
8429abe0 RW |
466 | |
467 | argv[argc++] = argv0; | |
468 | switch (p) { | |
469 | case PROC_MAIN: | |
470 | fatalx("Can not start main process"); | |
471 | case PROC_LDE_ENGINE: | |
eac6e3f0 | 472 | argv[argc++] = (char *)"-L"; |
8429abe0 RW |
473 | break; |
474 | case PROC_LDP_ENGINE: | |
eac6e3f0 | 475 | argv[argc++] = (char *)"-E"; |
8429abe0 RW |
476 | break; |
477 | } | |
8429abe0 RW |
478 | argv[argc++] = NULL; |
479 | ||
480 | execvp(argv0, argv); | |
481 | fatal("execvp"); | |
482 | } | |
483 | ||
484 | /* imsg handling */ | |
485 | /* ARGSUSED */ | |
eac6e3f0 RW |
486 | static int |
487 | main_dispatch_ldpe(struct thread *thread) | |
8429abe0 | 488 | { |
eac6e3f0 | 489 | struct imsgev *iev = THREAD_ARG(thread); |
8429abe0 RW |
490 | struct imsgbuf *ibuf = &iev->ibuf; |
491 | struct imsg imsg; | |
492 | int af; | |
493 | ssize_t n; | |
eac6e3f0 | 494 | int shut = 0; |
8429abe0 | 495 | |
eac6e3f0 RW |
496 | iev->ev_read = NULL; |
497 | ||
498 | if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN) | |
499 | fatal("imsg_read error"); | |
500 | if (n == 0) /* connection closed */ | |
501 | shut = 1; | |
8429abe0 RW |
502 | |
503 | for (;;) { | |
504 | if ((n = imsg_get(ibuf, &imsg)) == -1) | |
505 | fatal("imsg_get"); | |
506 | ||
507 | if (n == 0) | |
508 | break; | |
509 | ||
510 | switch (imsg.hdr.type) { | |
eac6e3f0 RW |
511 | case IMSG_LOG: |
512 | logit(imsg.hdr.pid, "%s", (const char *)imsg.data); | |
513 | break; | |
8429abe0 RW |
514 | case IMSG_REQUEST_SOCKETS: |
515 | af = imsg.hdr.pid; | |
516 | main_imsg_send_net_sockets(af); | |
517 | break; | |
45a8eba9 RW |
518 | case IMSG_ACL_CHECK: |
519 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
520 | sizeof(struct acl_check)) | |
521 | fatalx("IMSG_ACL_CHECK imsg with wrong len"); | |
522 | ldp_acl_reply(iev, (struct acl_check *)imsg.data); | |
523 | break; | |
8429abe0 RW |
524 | default: |
525 | log_debug("%s: error handling imsg %d", __func__, | |
526 | imsg.hdr.type); | |
527 | break; | |
528 | } | |
529 | imsg_free(&imsg); | |
530 | } | |
531 | if (!shut) | |
532 | imsg_event_add(iev); | |
533 | else { | |
eac6e3f0 RW |
534 | /* this pipe is dead, so remove the event handlers and exit */ |
535 | THREAD_READ_OFF(iev->ev_read); | |
536 | THREAD_WRITE_OFF(iev->ev_write); | |
537 | ldpe_pid = 0; | |
538 | if (lde_pid == 0) | |
539 | ldpd_shutdown(); | |
540 | else | |
541 | kill(lde_pid, SIGTERM); | |
8429abe0 | 542 | } |
eac6e3f0 RW |
543 | |
544 | return (0); | |
8429abe0 RW |
545 | } |
546 | ||
547 | /* ARGSUSED */ | |
eac6e3f0 RW |
548 | static int |
549 | main_dispatch_lde(struct thread *thread) | |
8429abe0 | 550 | { |
eac6e3f0 | 551 | struct imsgev *iev = THREAD_ARG(thread); |
8429abe0 RW |
552 | struct imsgbuf *ibuf = &iev->ibuf; |
553 | struct imsg imsg; | |
554 | ssize_t n; | |
555 | int shut = 0; | |
556 | ||
eac6e3f0 RW |
557 | iev->ev_read = NULL; |
558 | ||
559 | if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN) | |
560 | fatal("imsg_read error"); | |
561 | if (n == 0) /* connection closed */ | |
562 | shut = 1; | |
8429abe0 RW |
563 | |
564 | for (;;) { | |
565 | if ((n = imsg_get(ibuf, &imsg)) == -1) | |
566 | fatal("imsg_get"); | |
567 | ||
568 | if (n == 0) | |
569 | break; | |
570 | ||
571 | switch (imsg.hdr.type) { | |
eac6e3f0 RW |
572 | case IMSG_LOG: |
573 | logit(imsg.hdr.pid, "%s", (const char *)imsg.data); | |
574 | break; | |
8429abe0 RW |
575 | case IMSG_KLABEL_CHANGE: |
576 | if (imsg.hdr.len - IMSG_HEADER_SIZE != | |
577 | sizeof(struct kroute)) | |
578 | fatalx("invalid size of IMSG_KLABEL_CHANGE"); | |
579 | if (kr_change(imsg.data)) | |
580 | log_warnx("%s: error changing route", __func__); | |
581 | break; | |
582 | case IMSG_KLABEL_DELETE: | |
583 | if (imsg.hdr.len - IMSG_HEADER_SIZE != | |
584 | sizeof(struct kroute)) | |
585 | fatalx("invalid size of IMSG_KLABEL_DELETE"); | |
586 | if (kr_delete(imsg.data)) | |
587 | log_warnx("%s: error deleting route", __func__); | |
588 | break; | |
87b5f1b7 RW |
589 | case IMSG_KPW_ADD: |
590 | case IMSG_KPW_DELETE: | |
591 | case IMSG_KPW_SET: | |
592 | case IMSG_KPW_UNSET: | |
8429abe0 | 593 | if (imsg.hdr.len - IMSG_HEADER_SIZE != |
87b5f1b7 | 594 | sizeof(struct zapi_pw)) |
8429abe0 | 595 | fatalx("invalid size of IMSG_KPWLABEL_CHANGE"); |
87b5f1b7 RW |
596 | |
597 | switch (imsg.hdr.type) { | |
598 | case IMSG_KPW_ADD: | |
599 | if (kmpw_add(imsg.data)) | |
600 | log_warnx("%s: error adding " | |
601 | "pseudowire", __func__); | |
602 | break; | |
603 | case IMSG_KPW_DELETE: | |
604 | if (kmpw_del(imsg.data)) | |
605 | log_warnx("%s: error deleting " | |
606 | "pseudowire", __func__); | |
607 | break; | |
608 | case IMSG_KPW_SET: | |
609 | if (kmpw_set(imsg.data)) | |
610 | log_warnx("%s: error setting " | |
611 | "pseudowire", __func__); | |
612 | break; | |
613 | case IMSG_KPW_UNSET: | |
614 | if (kmpw_unset(imsg.data)) | |
615 | log_warnx("%s: error unsetting " | |
616 | "pseudowire", __func__); | |
617 | break; | |
618 | } | |
8429abe0 | 619 | break; |
45a8eba9 RW |
620 | case IMSG_ACL_CHECK: |
621 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
622 | sizeof(struct acl_check)) | |
623 | fatalx("IMSG_ACL_CHECK imsg with wrong len"); | |
624 | ldp_acl_reply(iev, (struct acl_check *)imsg.data); | |
625 | break; | |
8429abe0 RW |
626 | default: |
627 | log_debug("%s: error handling imsg %d", __func__, | |
628 | imsg.hdr.type); | |
629 | break; | |
630 | } | |
631 | imsg_free(&imsg); | |
632 | } | |
633 | if (!shut) | |
634 | imsg_event_add(iev); | |
635 | else { | |
eac6e3f0 RW |
636 | /* this pipe is dead, so remove the event handlers and exit */ |
637 | THREAD_READ_OFF(iev->ev_read); | |
638 | THREAD_WRITE_OFF(iev->ev_write); | |
639 | lde_pid = 0; | |
640 | if (ldpe_pid == 0) | |
641 | ldpd_shutdown(); | |
642 | else | |
643 | kill(ldpe_pid, SIGTERM); | |
8429abe0 | 644 | } |
eac6e3f0 RW |
645 | |
646 | return (0); | |
647 | } | |
648 | ||
649 | /* ARGSUSED */ | |
650 | int | |
651 | ldp_write_handler(struct thread *thread) | |
652 | { | |
653 | struct imsgev *iev = THREAD_ARG(thread); | |
654 | struct imsgbuf *ibuf = &iev->ibuf; | |
655 | ssize_t n; | |
656 | ||
657 | iev->ev_write = NULL; | |
658 | ||
659 | if ((n = msgbuf_write(&ibuf->w)) == -1 && errno != EAGAIN) | |
660 | fatal("msgbuf_write"); | |
661 | if (n == 0) { | |
662 | /* this pipe is dead, so remove the event handlers */ | |
663 | THREAD_READ_OFF(iev->ev_read); | |
664 | THREAD_WRITE_OFF(iev->ev_write); | |
665 | return (0); | |
666 | } | |
667 | ||
668 | imsg_event_add(iev); | |
669 | ||
670 | return (0); | |
8429abe0 RW |
671 | } |
672 | ||
673 | void | |
674 | main_imsg_compose_ldpe(int type, pid_t pid, void *data, uint16_t datalen) | |
675 | { | |
676 | if (iev_ldpe == NULL) | |
677 | return; | |
678 | imsg_compose_event(iev_ldpe, type, 0, pid, -1, data, datalen); | |
679 | } | |
680 | ||
681 | void | |
682 | main_imsg_compose_lde(int type, pid_t pid, void *data, uint16_t datalen) | |
683 | { | |
684 | imsg_compose_event(iev_lde, type, 0, pid, -1, data, datalen); | |
685 | } | |
686 | ||
eac6e3f0 | 687 | int |
8429abe0 RW |
688 | main_imsg_compose_both(enum imsg_type type, void *buf, uint16_t len) |
689 | { | |
eac6e3f0 RW |
690 | if (iev_ldpe == NULL || iev_lde == NULL) |
691 | return (0); | |
8429abe0 RW |
692 | if (imsg_compose_event(iev_ldpe, type, 0, 0, -1, buf, len) == -1) |
693 | return (-1); | |
694 | if (imsg_compose_event(iev_lde, type, 0, 0, -1, buf, len) == -1) | |
695 | return (-1); | |
696 | return (0); | |
697 | } | |
698 | ||
699 | void | |
700 | imsg_event_add(struct imsgev *iev) | |
701 | { | |
28e8294c | 702 | if (iev->handler_read) |
ffa2c898 QY |
703 | thread_add_read(master, iev->handler_read, iev, iev->ibuf.fd, |
704 | &iev->ev_read); | |
8429abe0 | 705 | |
28e8294c | 706 | if (iev->handler_write && iev->ibuf.w.queued) |
ffa2c898 QY |
707 | thread_add_write(master, iev->handler_write, iev, |
708 | iev->ibuf.fd, &iev->ev_write); | |
8429abe0 RW |
709 | } |
710 | ||
711 | int | |
712 | imsg_compose_event(struct imsgev *iev, uint16_t type, uint32_t peerid, | |
713 | pid_t pid, int fd, void *data, uint16_t datalen) | |
714 | { | |
715 | int ret; | |
716 | ||
717 | if ((ret = imsg_compose(&iev->ibuf, type, peerid, | |
718 | pid, fd, data, datalen)) != -1) | |
719 | imsg_event_add(iev); | |
720 | return (ret); | |
721 | } | |
722 | ||
723 | void | |
724 | evbuf_enqueue(struct evbuf *eb, struct ibuf *buf) | |
725 | { | |
726 | ibuf_close(&eb->wbuf, buf); | |
727 | evbuf_event_add(eb); | |
728 | } | |
729 | ||
730 | void | |
731 | evbuf_event_add(struct evbuf *eb) | |
732 | { | |
733 | if (eb->wbuf.queued) | |
ffa2c898 QY |
734 | thread_add_write(master, eb->handler, eb->arg, eb->wbuf.fd, |
735 | &eb->ev); | |
8429abe0 RW |
736 | } |
737 | ||
738 | void | |
eac6e3f0 | 739 | evbuf_init(struct evbuf *eb, int fd, int (*handler)(struct thread *), |
8429abe0 RW |
740 | void *arg) |
741 | { | |
742 | msgbuf_init(&eb->wbuf); | |
743 | eb->wbuf.fd = fd; | |
eac6e3f0 RW |
744 | eb->handler = handler; |
745 | eb->arg = arg; | |
8429abe0 RW |
746 | } |
747 | ||
748 | void | |
749 | evbuf_clear(struct evbuf *eb) | |
750 | { | |
eac6e3f0 | 751 | THREAD_WRITE_OFF(eb->ev); |
8429abe0 RW |
752 | msgbuf_clear(&eb->wbuf); |
753 | eb->wbuf.fd = -1; | |
754 | } | |
755 | ||
756 | static int | |
757 | main_imsg_send_ipc_sockets(struct imsgbuf *ldpe_buf, struct imsgbuf *lde_buf) | |
758 | { | |
759 | int pipe_ldpe2lde[2]; | |
760 | ||
eac6e3f0 | 761 | if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe_ldpe2lde) == -1) |
8429abe0 | 762 | return (-1); |
eac6e3f0 RW |
763 | sock_set_nonblock(pipe_ldpe2lde[0]); |
764 | sock_set_nonblock(pipe_ldpe2lde[1]); | |
8429abe0 RW |
765 | |
766 | if (imsg_compose(ldpe_buf, IMSG_SOCKET_IPC, 0, 0, pipe_ldpe2lde[0], | |
767 | NULL, 0) == -1) | |
768 | return (-1); | |
769 | if (imsg_compose(lde_buf, IMSG_SOCKET_IPC, 0, 0, pipe_ldpe2lde[1], | |
770 | NULL, 0) == -1) | |
771 | return (-1); | |
772 | ||
773 | return (0); | |
774 | } | |
775 | ||
776 | static void | |
777 | main_imsg_send_net_sockets(int af) | |
778 | { | |
eac6e3f0 RW |
779 | if (!ldp_addrisset(af, &(ldp_af_conf_get(ldpd_conf, af))->trans_addr)) |
780 | return; | |
781 | ||
8429abe0 RW |
782 | main_imsg_send_net_socket(af, LDP_SOCKET_DISC); |
783 | main_imsg_send_net_socket(af, LDP_SOCKET_EDISC); | |
784 | main_imsg_send_net_socket(af, LDP_SOCKET_SESSION); | |
785 | imsg_compose_event(iev_ldpe, IMSG_SETUP_SOCKETS, af, 0, -1, NULL, 0); | |
786 | } | |
787 | ||
788 | static void | |
789 | main_imsg_send_net_socket(int af, enum socket_type type) | |
790 | { | |
791 | int fd; | |
792 | ||
793 | fd = ldp_create_socket(af, type); | |
794 | if (fd == -1) { | |
795 | log_warnx("%s: failed to create %s socket for address-family " | |
796 | "%s", __func__, socket_name(type), af_name(af)); | |
797 | return; | |
798 | } | |
799 | ||
800 | imsg_compose_event(iev_ldpe, IMSG_SOCKET_NET, af, 0, fd, &type, | |
801 | sizeof(type)); | |
802 | } | |
803 | ||
45a8eba9 RW |
804 | int |
805 | ldp_acl_request(struct imsgev *iev, char *acl_name, int af, | |
806 | union ldpd_addr *addr, uint8_t prefixlen) | |
807 | { | |
808 | struct imsg imsg; | |
809 | ssize_t n; | |
810 | struct acl_check acl_check; | |
811 | ||
812 | if (acl_name[0] == '\0') | |
813 | return FILTER_PERMIT; | |
814 | ||
815 | /* build request */ | |
816 | strlcpy(acl_check.acl, acl_name, sizeof(acl_check.acl)); | |
817 | acl_check.af = af; | |
818 | acl_check.addr = *addr; | |
819 | acl_check.prefixlen = prefixlen; | |
820 | ||
821 | /* send (blocking) */ | |
822 | imsg_compose_event(iev, IMSG_ACL_CHECK, 0, 0, -1, &acl_check, | |
823 | sizeof(acl_check)); | |
824 | imsg_flush(&iev->ibuf); | |
825 | ||
826 | /* receive (blocking) and parse result */ | |
827 | if ((n = imsg_read(&iev->ibuf)) == -1) | |
828 | fatal("imsg_read error"); | |
829 | if ((n = imsg_get(&iev->ibuf, &imsg)) == -1) | |
830 | fatal("imsg_get"); | |
831 | if (imsg.hdr.type != IMSG_ACL_CHECK || | |
832 | imsg.hdr.len != IMSG_HEADER_SIZE + sizeof(int)) | |
833 | fatalx("ldp_acl_request: invalid response"); | |
834 | ||
835 | return (*((int *)imsg.data)); | |
836 | } | |
837 | ||
838 | void | |
839 | ldp_acl_reply(struct imsgev *iev, struct acl_check *acl_check) | |
840 | { | |
841 | struct access_list *alist; | |
842 | struct prefix prefix; | |
843 | int result; | |
844 | ||
845 | alist = access_list_lookup(family2afi(acl_check->af), acl_check->acl); | |
846 | if (alist == NULL) | |
847 | result = FILTER_DENY; | |
848 | else { | |
849 | prefix.family = acl_check->af; | |
850 | switch (prefix.family) { | |
851 | case AF_INET: | |
852 | prefix.u.prefix4 = acl_check->addr.v4; | |
853 | break; | |
854 | case AF_INET6: | |
855 | prefix.u.prefix6 = acl_check->addr.v6; | |
856 | break; | |
857 | default: | |
858 | fatalx("ldp_acl_reply: unknown af"); | |
859 | } | |
860 | prefix.prefixlen = acl_check->prefixlen; | |
861 | result = access_list_apply(alist, &prefix); | |
862 | } | |
863 | ||
864 | imsg_compose_event(iev, IMSG_ACL_CHECK, 0, 0, -1, &result, | |
865 | sizeof(result)); | |
866 | } | |
867 | ||
8429abe0 RW |
868 | struct ldpd_af_conf * |
869 | ldp_af_conf_get(struct ldpd_conf *xconf, int af) | |
870 | { | |
871 | switch (af) { | |
872 | case AF_INET: | |
873 | return (&xconf->ipv4); | |
874 | case AF_INET6: | |
875 | return (&xconf->ipv6); | |
876 | default: | |
877 | fatalx("ldp_af_conf_get: unknown af"); | |
878 | } | |
879 | } | |
880 | ||
881 | struct ldpd_af_global * | |
882 | ldp_af_global_get(struct ldpd_global *xglobal, int af) | |
883 | { | |
884 | switch (af) { | |
885 | case AF_INET: | |
886 | return (&xglobal->ipv4); | |
887 | case AF_INET6: | |
888 | return (&xglobal->ipv6); | |
889 | default: | |
890 | fatalx("ldp_af_global_get: unknown af"); | |
891 | } | |
892 | } | |
893 | ||
894 | int | |
895 | ldp_is_dual_stack(struct ldpd_conf *xconf) | |
896 | { | |
897 | return ((xconf->ipv4.flags & F_LDPD_AF_ENABLED) && | |
898 | (xconf->ipv6.flags & F_LDPD_AF_ENABLED)); | |
899 | } | |
900 | ||
eac6e3f0 RW |
901 | in_addr_t |
902 | ldp_rtr_id_get(struct ldpd_conf *xconf) | |
903 | { | |
904 | if (xconf->rtr_id.s_addr != INADDR_ANY) | |
905 | return (xconf->rtr_id.s_addr); | |
906 | else | |
907 | return (global.rtr_id.s_addr); | |
908 | } | |
909 | ||
8429abe0 RW |
910 | static int |
911 | main_imsg_send_config(struct ldpd_conf *xconf) | |
912 | { | |
913 | struct iface *iface; | |
914 | struct tnbr *tnbr; | |
915 | struct nbr_params *nbrp; | |
916 | struct l2vpn *l2vpn; | |
917 | struct l2vpn_if *lif; | |
918 | struct l2vpn_pw *pw; | |
919 | ||
920 | if (main_imsg_compose_both(IMSG_RECONF_CONF, xconf, | |
921 | sizeof(*xconf)) == -1) | |
922 | return (-1); | |
923 | ||
7d3d7491 | 924 | RB_FOREACH(iface, iface_head, &xconf->iface_tree) { |
8429abe0 RW |
925 | if (main_imsg_compose_both(IMSG_RECONF_IFACE, iface, |
926 | sizeof(*iface)) == -1) | |
927 | return (-1); | |
928 | } | |
929 | ||
7989cdba | 930 | RB_FOREACH(tnbr, tnbr_head, &xconf->tnbr_tree) { |
8429abe0 RW |
931 | if (main_imsg_compose_both(IMSG_RECONF_TNBR, tnbr, |
932 | sizeof(*tnbr)) == -1) | |
933 | return (-1); | |
934 | } | |
935 | ||
76c4abd1 | 936 | RB_FOREACH(nbrp, nbrp_head, &xconf->nbrp_tree) { |
8429abe0 RW |
937 | if (main_imsg_compose_both(IMSG_RECONF_NBRP, nbrp, |
938 | sizeof(*nbrp)) == -1) | |
939 | return (-1); | |
940 | } | |
941 | ||
90d7e7bd | 942 | RB_FOREACH(l2vpn, l2vpn_head, &xconf->l2vpn_tree) { |
8429abe0 RW |
943 | if (main_imsg_compose_both(IMSG_RECONF_L2VPN, l2vpn, |
944 | sizeof(*l2vpn)) == -1) | |
945 | return (-1); | |
946 | ||
029c1958 | 947 | RB_FOREACH(lif, l2vpn_if_head, &l2vpn->if_tree) { |
8429abe0 RW |
948 | if (main_imsg_compose_both(IMSG_RECONF_L2VPN_IF, lif, |
949 | sizeof(*lif)) == -1) | |
950 | return (-1); | |
951 | } | |
20bacaeb | 952 | RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_tree) { |
8429abe0 RW |
953 | if (main_imsg_compose_both(IMSG_RECONF_L2VPN_PW, pw, |
954 | sizeof(*pw)) == -1) | |
955 | return (-1); | |
956 | } | |
20bacaeb | 957 | RB_FOREACH(pw, l2vpn_pw_head, &l2vpn->pw_inactive_tree) { |
eac6e3f0 RW |
958 | if (main_imsg_compose_both(IMSG_RECONF_L2VPN_IPW, pw, |
959 | sizeof(*pw)) == -1) | |
960 | return (-1); | |
961 | } | |
8429abe0 RW |
962 | } |
963 | ||
964 | if (main_imsg_compose_both(IMSG_RECONF_END, NULL, 0) == -1) | |
965 | return (-1); | |
966 | ||
967 | return (0); | |
968 | } | |
969 | ||
eac6e3f0 | 970 | int |
e4a82008 | 971 | ldp_config_apply(struct vty *vty, struct ldpd_conf *xconf) |
8429abe0 | 972 | { |
e4a82008 RW |
973 | /* |
974 | * When reading from a configuration file (startup and sighup), we | |
975 | * call merge_config() only once after the whole config has been read. | |
976 | * This is the optimal and least disruptive way to update the running | |
977 | * configuration. | |
978 | */ | |
979 | if (vty && vty->type == VTY_FILE) | |
dbce3582 RW |
980 | return (0); |
981 | ||
56b8a8d2 | 982 | ldp_config_normalize(xconf); |
8429abe0 RW |
983 | |
984 | if (main_imsg_send_config(xconf) == -1) | |
985 | return (-1); | |
986 | ||
56b8a8d2 | 987 | merge_config(ldpd_conf, xconf); |
8429abe0 | 988 | |
56b8a8d2 | 989 | return (0); |
b67c140b RW |
990 | } |
991 | ||
eac6e3f0 | 992 | static void |
56b8a8d2 | 993 | ldp_config_normalize(struct ldpd_conf *xconf) |
eac6e3f0 | 994 | { |
7d0eeac1 RW |
995 | struct iface *iface, *itmp; |
996 | struct nbr_params *nbrp, *ntmp; | |
eac6e3f0 | 997 | struct l2vpn *l2vpn; |
7d0eeac1 | 998 | struct l2vpn_pw *pw, *ptmp; |
eac6e3f0 RW |
999 | |
1000 | if (!(xconf->flags & F_LDPD_ENABLED)) | |
56b8a8d2 | 1001 | ldp_config_reset_main(xconf); |
eac6e3f0 RW |
1002 | else { |
1003 | if (!(xconf->ipv4.flags & F_LDPD_AF_ENABLED)) | |
56b8a8d2 | 1004 | ldp_config_reset_af(xconf, AF_INET); |
eac6e3f0 | 1005 | if (!(xconf->ipv6.flags & F_LDPD_AF_ENABLED)) |
56b8a8d2 | 1006 | ldp_config_reset_af(xconf, AF_INET6); |
eac6e3f0 | 1007 | |
7d0eeac1 RW |
1008 | RB_FOREACH_SAFE(iface, iface_head, &xconf->iface_tree, itmp) { |
1009 | if (iface->ipv4.enabled || iface->ipv6.enabled) | |
eac6e3f0 RW |
1010 | continue; |
1011 | ||
1d75a89d | 1012 | QOBJ_UNREG(iface); |
7d0eeac1 RW |
1013 | RB_REMOVE(iface_head, &vty_conf->iface_tree, iface); |
1014 | free(iface); | |
eac6e3f0 | 1015 | } |
7d0eeac1 RW |
1016 | |
1017 | RB_FOREACH_SAFE(nbrp, nbrp_head, &xconf->nbrp_tree, ntmp) { | |
1018 | if (nbrp->flags & (F_NBRP_KEEPALIVE|F_NBRP_GTSM)) | |
1019 | continue; | |
1020 | if (nbrp->auth.method != AUTH_NONE) | |
1021 | continue; | |
1022 | ||
1d75a89d | 1023 | QOBJ_UNREG(nbrp); |
7d0eeac1 RW |
1024 | RB_REMOVE(nbrp_head, &vty_conf->nbrp_tree, nbrp); |
1025 | free(nbrp); | |
1026 | } | |
1027 | } | |
1028 | ||
1029 | RB_FOREACH(l2vpn, l2vpn_head, &xconf->l2vpn_tree) { | |
1030 | RB_FOREACH_SAFE(pw, l2vpn_pw_head, &l2vpn->pw_tree, ptmp) { | |
1031 | if (!(pw->flags & F_PW_STATIC_NBR_ADDR)) { | |
1032 | pw->af = AF_INET; | |
1033 | pw->addr.v4 = pw->lsr_id; | |
1034 | } | |
1035 | ||
1036 | if (pw->lsr_id.s_addr != INADDR_ANY && pw->pwid != 0) | |
eac6e3f0 | 1037 | continue; |
7d0eeac1 RW |
1038 | RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_tree, pw); |
1039 | RB_INSERT(l2vpn_pw_head, &l2vpn->pw_inactive_tree, pw); | |
1040 | } | |
1041 | RB_FOREACH_SAFE(pw, l2vpn_pw_head, &l2vpn->pw_inactive_tree, | |
1042 | ptmp) { | |
1043 | if (!(pw->flags & F_PW_STATIC_NBR_ADDR)) { | |
1044 | pw->af = AF_INET; | |
1045 | pw->addr.v4 = pw->lsr_id; | |
1046 | } | |
eac6e3f0 | 1047 | |
7d0eeac1 RW |
1048 | if (pw->lsr_id.s_addr == INADDR_ANY || pw->pwid == 0) |
1049 | continue; | |
1050 | RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_inactive_tree, pw); | |
1051 | RB_INSERT(l2vpn_pw_head, &l2vpn->pw_tree, pw); | |
eac6e3f0 RW |
1052 | } |
1053 | } | |
1054 | } | |
1055 | ||
e4a82008 RW |
1056 | static void |
1057 | ldp_config_reset(struct ldpd_conf *conf) | |
1058 | { | |
1059 | ldp_config_reset_main(conf); | |
1060 | ldp_config_reset_l2vpns(conf); | |
1061 | } | |
1062 | ||
eac6e3f0 | 1063 | static void |
56b8a8d2 | 1064 | ldp_config_reset_main(struct ldpd_conf *conf) |
eac6e3f0 RW |
1065 | { |
1066 | struct iface *iface; | |
1067 | struct nbr_params *nbrp; | |
1068 | ||
55cd0f61 DS |
1069 | while (!RB_EMPTY(iface_head, &conf->iface_tree)) { |
1070 | iface = RB_ROOT(iface_head, &conf->iface_tree); | |
1071 | ||
1d75a89d | 1072 | QOBJ_UNREG(iface); |
7d3d7491 | 1073 | RB_REMOVE(iface_head, &conf->iface_tree, iface); |
eac6e3f0 RW |
1074 | free(iface); |
1075 | } | |
1076 | ||
55cd0f61 DS |
1077 | while (!RB_EMPTY(nbrp_head, &conf->nbrp_tree)) { |
1078 | nbrp = RB_ROOT(nbrp_head, &conf->nbrp_tree); | |
1079 | ||
1d75a89d | 1080 | QOBJ_UNREG(nbrp); |
76c4abd1 | 1081 | RB_REMOVE(nbrp_head, &conf->nbrp_tree, nbrp); |
eac6e3f0 RW |
1082 | free(nbrp); |
1083 | } | |
1084 | ||
1085 | conf->rtr_id.s_addr = INADDR_ANY; | |
56b8a8d2 RW |
1086 | ldp_config_reset_af(conf, AF_INET); |
1087 | ldp_config_reset_af(conf, AF_INET6); | |
eac6e3f0 RW |
1088 | conf->lhello_holdtime = LINK_DFLT_HOLDTIME; |
1089 | conf->lhello_interval = DEFAULT_HELLO_INTERVAL; | |
1090 | conf->thello_holdtime = TARGETED_DFLT_HOLDTIME; | |
1091 | conf->thello_interval = DEFAULT_HELLO_INTERVAL; | |
1092 | conf->trans_pref = DUAL_STACK_LDPOV6; | |
1093 | conf->flags = 0; | |
1094 | } | |
1095 | ||
1096 | static void | |
56b8a8d2 | 1097 | ldp_config_reset_af(struct ldpd_conf *conf, int af) |
eac6e3f0 RW |
1098 | { |
1099 | struct ldpd_af_conf *af_conf; | |
1100 | struct iface *iface; | |
1101 | struct iface_af *ia; | |
1102 | struct tnbr *tnbr, *ttmp; | |
1103 | ||
7d3d7491 | 1104 | RB_FOREACH(iface, iface_head, &conf->iface_tree) { |
eac6e3f0 RW |
1105 | ia = iface_af_get(iface, af); |
1106 | ia->enabled = 0; | |
1107 | } | |
1108 | ||
7989cdba | 1109 | RB_FOREACH_SAFE(tnbr, tnbr_head, &conf->tnbr_tree, ttmp) { |
eac6e3f0 RW |
1110 | if (tnbr->af != af) |
1111 | continue; | |
1112 | ||
1d75a89d | 1113 | QOBJ_UNREG(tnbr); |
7989cdba | 1114 | RB_REMOVE(tnbr_head, &conf->tnbr_tree, tnbr); |
eac6e3f0 RW |
1115 | free(tnbr); |
1116 | } | |
1117 | ||
1118 | af_conf = ldp_af_conf_get(conf, af); | |
1119 | af_conf->keepalive = 180; | |
1120 | af_conf->lhello_holdtime = 0; | |
1121 | af_conf->lhello_interval = 0; | |
1122 | af_conf->thello_holdtime = 0; | |
1123 | af_conf->thello_interval = 0; | |
1124 | memset(&af_conf->trans_addr, 0, sizeof(af_conf->trans_addr)); | |
1125 | af_conf->flags = 0; | |
1126 | } | |
1127 | ||
1d75a89d RW |
1128 | static void |
1129 | ldp_config_reset_l2vpns(struct ldpd_conf *conf) | |
eac6e3f0 | 1130 | { |
1d75a89d RW |
1131 | struct l2vpn *l2vpn; |
1132 | struct l2vpn_if *lif; | |
1133 | struct l2vpn_pw *pw; | |
eac6e3f0 | 1134 | |
55cd0f61 DS |
1135 | while (!RB_EMPTY(l2vpn_head, &conf->l2vpn_tree)) { |
1136 | l2vpn = RB_ROOT(l2vpn_head, &conf->l2vpn_tree); | |
1137 | while (!RB_EMPTY(l2vpn_if_head, &l2vpn->if_tree)) { | |
1138 | lif = RB_ROOT(l2vpn_if_head, &l2vpn->if_tree); | |
1139 | ||
1d75a89d RW |
1140 | QOBJ_UNREG(lif); |
1141 | RB_REMOVE(l2vpn_if_head, &l2vpn->if_tree, lif); | |
1142 | free(lif); | |
eac6e3f0 | 1143 | } |
55cd0f61 DS |
1144 | while (!RB_EMPTY(l2vpn_pw_head, &l2vpn->pw_tree)) { |
1145 | pw = RB_ROOT(l2vpn_pw_head, &l2vpn->pw_tree); | |
1146 | ||
1d75a89d RW |
1147 | QOBJ_UNREG(pw); |
1148 | RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_tree, pw); | |
1149 | free(pw); | |
eac6e3f0 | 1150 | } |
55cd0f61 DS |
1151 | while (!RB_EMPTY(l2vpn_pw_head, &l2vpn->pw_inactive_tree)) { |
1152 | pw = RB_ROOT(l2vpn_pw_head, &l2vpn->pw_inactive_tree); | |
1153 | ||
1d75a89d RW |
1154 | QOBJ_UNREG(pw); |
1155 | RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_inactive_tree, pw); | |
1156 | free(pw); | |
eac6e3f0 | 1157 | } |
1d75a89d RW |
1158 | QOBJ_UNREG(l2vpn); |
1159 | RB_REMOVE(l2vpn_head, &conf->l2vpn_tree, l2vpn); | |
1160 | free(l2vpn); | |
eac6e3f0 | 1161 | } |
eac6e3f0 RW |
1162 | } |
1163 | ||
1164 | void | |
1165 | ldp_clear_config(struct ldpd_conf *xconf) | |
1166 | { | |
1167 | struct iface *iface; | |
1168 | struct tnbr *tnbr; | |
1169 | struct nbr_params *nbrp; | |
1170 | struct l2vpn *l2vpn; | |
1171 | ||
55cd0f61 DS |
1172 | while (!RB_EMPTY(iface_head, &xconf->iface_tree)) { |
1173 | iface = RB_ROOT(iface_head, &xconf->iface_tree); | |
1174 | ||
7d3d7491 | 1175 | RB_REMOVE(iface_head, &xconf->iface_tree, iface); |
eac6e3f0 RW |
1176 | free(iface); |
1177 | } | |
55cd0f61 DS |
1178 | while (!RB_EMPTY(tnbr_head, &xconf->tnbr_tree)) { |
1179 | tnbr = RB_ROOT(tnbr_head, &xconf->tnbr_tree); | |
1180 | ||
7989cdba | 1181 | RB_REMOVE(tnbr_head, &xconf->tnbr_tree, tnbr); |
eac6e3f0 RW |
1182 | free(tnbr); |
1183 | } | |
55cd0f61 DS |
1184 | while (!RB_EMPTY(nbrp_head, &xconf->nbrp_tree)) { |
1185 | nbrp = RB_ROOT(nbrp_head, &xconf->nbrp_tree); | |
1186 | ||
76c4abd1 | 1187 | RB_REMOVE(nbrp_head, &xconf->nbrp_tree, nbrp); |
eac6e3f0 RW |
1188 | free(nbrp); |
1189 | } | |
55cd0f61 DS |
1190 | while (!RB_EMPTY(l2vpn_head, &xconf->l2vpn_tree)) { |
1191 | l2vpn = RB_ROOT(l2vpn_head, &xconf->l2vpn_tree); | |
1192 | ||
90d7e7bd | 1193 | RB_REMOVE(l2vpn_head, &xconf->l2vpn_tree, l2vpn); |
eac6e3f0 RW |
1194 | l2vpn_del(l2vpn); |
1195 | } | |
1196 | ||
1197 | free(xconf); | |
1198 | } | |
1199 | ||
1d75a89d RW |
1200 | #define COPY(a, b) do { \ |
1201 | a = malloc(sizeof(*a)); \ | |
1202 | if (a == NULL) \ | |
1203 | fatal(__func__); \ | |
1204 | *a = *b; \ | |
1205 | } while (0) | |
1206 | ||
56b8a8d2 RW |
1207 | void |
1208 | merge_config(struct ldpd_conf *conf, struct ldpd_conf *xconf) | |
8429abe0 RW |
1209 | { |
1210 | merge_global(conf, xconf); | |
1211 | merge_af(AF_INET, &conf->ipv4, &xconf->ipv4); | |
1212 | merge_af(AF_INET6, &conf->ipv6, &xconf->ipv6); | |
56b8a8d2 RW |
1213 | merge_ifaces(conf, xconf); |
1214 | merge_tnbrs(conf, xconf); | |
1215 | merge_nbrps(conf, xconf); | |
1216 | merge_l2vpns(conf, xconf); | |
8429abe0 RW |
1217 | } |
1218 | ||
1219 | static void | |
1220 | merge_global(struct ldpd_conf *conf, struct ldpd_conf *xconf) | |
1221 | { | |
1222 | /* change of router-id requires resetting all neighborships */ | |
1223 | if (conf->rtr_id.s_addr != xconf->rtr_id.s_addr) { | |
1224 | if (ldpd_process == PROC_LDP_ENGINE) { | |
45a8eba9 | 1225 | ldpe_reset_nbrs(AF_UNSPEC); |
8429abe0 RW |
1226 | if (conf->rtr_id.s_addr == INADDR_ANY || |
1227 | xconf->rtr_id.s_addr == INADDR_ANY) { | |
1228 | if_update_all(AF_UNSPEC); | |
1229 | tnbr_update_all(AF_UNSPEC); | |
1230 | } | |
1231 | } | |
1232 | conf->rtr_id = xconf->rtr_id; | |
1233 | } | |
1234 | ||
eac6e3f0 RW |
1235 | conf->lhello_holdtime = xconf->lhello_holdtime; |
1236 | conf->lhello_interval = xconf->lhello_interval; | |
1237 | conf->thello_holdtime = xconf->thello_holdtime; | |
1238 | conf->thello_interval = xconf->thello_interval; | |
1239 | ||
8429abe0 RW |
1240 | if (conf->trans_pref != xconf->trans_pref) { |
1241 | if (ldpd_process == PROC_LDP_ENGINE) | |
1242 | ldpe_reset_ds_nbrs(); | |
1243 | conf->trans_pref = xconf->trans_pref; | |
1244 | } | |
1245 | ||
1246 | if ((conf->flags & F_LDPD_DS_CISCO_INTEROP) != | |
1247 | (xconf->flags & F_LDPD_DS_CISCO_INTEROP)) { | |
1248 | if (ldpd_process == PROC_LDP_ENGINE) | |
1249 | ldpe_reset_ds_nbrs(); | |
1250 | } | |
1251 | ||
1252 | conf->flags = xconf->flags; | |
1253 | } | |
1254 | ||
1255 | static void | |
1256 | merge_af(int af, struct ldpd_af_conf *af_conf, struct ldpd_af_conf *xa) | |
1257 | { | |
45a8eba9 RW |
1258 | int stop_init_backoff = 0; |
1259 | int remove_dynamic_tnbrs = 0; | |
1260 | int change_egress_label = 0; | |
1261 | int reset_nbrs_ipv4 = 0; | |
1262 | int reset_nbrs = 0; | |
1263 | int update_sockets = 0; | |
1264 | ||
1265 | /* update timers */ | |
8429abe0 RW |
1266 | if (af_conf->keepalive != xa->keepalive) { |
1267 | af_conf->keepalive = xa->keepalive; | |
45a8eba9 | 1268 | stop_init_backoff = 1; |
8429abe0 | 1269 | } |
eac6e3f0 RW |
1270 | af_conf->lhello_holdtime = xa->lhello_holdtime; |
1271 | af_conf->lhello_interval = xa->lhello_interval; | |
8429abe0 RW |
1272 | af_conf->thello_holdtime = xa->thello_holdtime; |
1273 | af_conf->thello_interval = xa->thello_interval; | |
1274 | ||
1275 | /* update flags */ | |
45a8eba9 | 1276 | if ((af_conf->flags & F_LDPD_AF_THELLO_ACCEPT) && |
8429abe0 | 1277 | !(xa->flags & F_LDPD_AF_THELLO_ACCEPT)) |
45a8eba9 | 1278 | remove_dynamic_tnbrs = 1; |
8429abe0 RW |
1279 | if ((af_conf->flags & F_LDPD_AF_NO_GTSM) != |
1280 | (xa->flags & F_LDPD_AF_NO_GTSM)) { | |
1281 | if (af == AF_INET6) | |
1282 | /* need to set/unset IPV6_MINHOPCOUNT */ | |
1283 | update_sockets = 1; | |
45a8eba9 | 1284 | else |
8429abe0 | 1285 | /* for LDPv4 just resetting the neighbors is enough */ |
45a8eba9 | 1286 | reset_nbrs_ipv4 = 1; |
8429abe0 | 1287 | } |
8429abe0 RW |
1288 | if ((af_conf->flags & F_LDPD_AF_EXPNULL) != |
1289 | (xa->flags & F_LDPD_AF_EXPNULL)) | |
45a8eba9 | 1290 | change_egress_label = 1; |
8429abe0 RW |
1291 | af_conf->flags = xa->flags; |
1292 | ||
45a8eba9 | 1293 | /* update the transport address */ |
8429abe0 RW |
1294 | if (ldp_addrcmp(af, &af_conf->trans_addr, &xa->trans_addr)) { |
1295 | af_conf->trans_addr = xa->trans_addr; | |
1296 | update_sockets = 1; | |
1297 | } | |
1298 | ||
45a8eba9 RW |
1299 | /* update ACLs */ |
1300 | if (strcmp(af_conf->acl_label_advertise_to, | |
1301 | xa->acl_label_advertise_to) || | |
1302 | strcmp(af_conf->acl_label_advertise_for, | |
1303 | xa->acl_label_advertise_for) || | |
1304 | strcmp(af_conf->acl_label_accept_from, | |
1305 | xa->acl_label_accept_from) || | |
1306 | strcmp(af_conf->acl_label_accept_for, | |
1307 | xa->acl_label_accept_for)) | |
1308 | reset_nbrs = 1; | |
1309 | if (strcmp(af_conf->acl_thello_accept_from, xa->acl_thello_accept_from)) | |
1310 | remove_dynamic_tnbrs = 1; | |
1311 | if (strcmp(af_conf->acl_label_expnull_for, xa->acl_label_expnull_for)) | |
1312 | change_egress_label = 1; | |
1313 | strlcpy(af_conf->acl_thello_accept_from, xa->acl_thello_accept_from, | |
1314 | sizeof(af_conf->acl_thello_accept_from)); | |
1315 | strlcpy(af_conf->acl_label_allocate_for, xa->acl_label_allocate_for, | |
1316 | sizeof(af_conf->acl_label_allocate_for)); | |
1317 | strlcpy(af_conf->acl_label_advertise_to, xa->acl_label_advertise_to, | |
1318 | sizeof(af_conf->acl_label_advertise_to)); | |
1319 | strlcpy(af_conf->acl_label_advertise_for, xa->acl_label_advertise_for, | |
1320 | sizeof(af_conf->acl_label_advertise_for)); | |
1321 | strlcpy(af_conf->acl_label_accept_from, xa->acl_label_accept_from, | |
1322 | sizeof(af_conf->acl_label_accept_from)); | |
1323 | strlcpy(af_conf->acl_label_accept_for, xa->acl_label_accept_for, | |
1324 | sizeof(af_conf->acl_label_accept_for)); | |
1325 | strlcpy(af_conf->acl_label_expnull_for, xa->acl_label_expnull_for, | |
1326 | sizeof(af_conf->acl_label_expnull_for)); | |
1327 | ||
1328 | /* apply the new configuration */ | |
1329 | switch (ldpd_process) { | |
1330 | case PROC_LDE_ENGINE: | |
1331 | if (change_egress_label) | |
1332 | lde_change_egress_label(af); | |
1333 | break; | |
1334 | case PROC_LDP_ENGINE: | |
1335 | if (stop_init_backoff) | |
1336 | ldpe_stop_init_backoff(af); | |
1337 | if (remove_dynamic_tnbrs) | |
1338 | ldpe_remove_dynamic_tnbrs(af); | |
1339 | if (reset_nbrs) | |
1340 | ldpe_reset_nbrs(AF_UNSPEC); | |
1341 | else if (reset_nbrs_ipv4) | |
1342 | ldpe_reset_nbrs(AF_INET); | |
1343 | break; | |
1344 | case PROC_MAIN: | |
1345 | if (update_sockets && iev_ldpe) | |
1346 | imsg_compose_event(iev_ldpe, IMSG_CLOSE_SOCKETS, af, | |
1347 | 0, -1, NULL, 0); | |
1348 | break; | |
1349 | } | |
8429abe0 RW |
1350 | } |
1351 | ||
1352 | static void | |
56b8a8d2 | 1353 | merge_ifaces(struct ldpd_conf *conf, struct ldpd_conf *xconf) |
8429abe0 RW |
1354 | { |
1355 | struct iface *iface, *itmp, *xi; | |
1356 | ||
7d3d7491 | 1357 | RB_FOREACH_SAFE(iface, iface_head, &conf->iface_tree, itmp) { |
8429abe0 | 1358 | /* find deleted interfaces */ |
eac6e3f0 | 1359 | if ((xi = if_lookup_name(xconf, iface->name)) == NULL) { |
4af8997d | 1360 | switch (ldpd_process) { |
4af8997d | 1361 | case PROC_LDP_ENGINE: |
1d75a89d | 1362 | ldpe_if_exit(iface); |
4af8997d | 1363 | break; |
1d75a89d | 1364 | case PROC_LDE_ENGINE: |
4af8997d | 1365 | case PROC_MAIN: |
4af8997d RW |
1366 | break; |
1367 | } | |
1d75a89d | 1368 | RB_REMOVE(iface_head, &conf->iface_tree, iface); |
8429abe0 RW |
1369 | free(iface); |
1370 | } | |
1371 | } | |
7d3d7491 | 1372 | RB_FOREACH_SAFE(xi, iface_head, &xconf->iface_tree, itmp) { |
8429abe0 | 1373 | /* find new interfaces */ |
eac6e3f0 | 1374 | if ((iface = if_lookup_name(conf, xi->name)) == NULL) { |
1d75a89d RW |
1375 | COPY(iface, xi); |
1376 | RB_INSERT(iface_head, &conf->iface_tree, iface); | |
8429abe0 | 1377 | |
1d75a89d RW |
1378 | switch (ldpd_process) { |
1379 | case PROC_LDP_ENGINE: | |
1380 | ldpe_if_init(iface); | |
1381 | break; | |
1382 | case PROC_LDE_ENGINE: | |
1383 | break; | |
1384 | case PROC_MAIN: | |
4af8997d | 1385 | /* resend addresses to activate new interfaces */ |
1d75a89d RW |
1386 | kif_redistribute(iface->name); |
1387 | break; | |
4af8997d | 1388 | } |
8429abe0 RW |
1389 | continue; |
1390 | } | |
1391 | ||
1392 | /* update existing interfaces */ | |
1393 | merge_iface_af(&iface->ipv4, &xi->ipv4); | |
1394 | merge_iface_af(&iface->ipv6, &xi->ipv6); | |
8429abe0 RW |
1395 | } |
1396 | } | |
1397 | ||
1398 | static void | |
1399 | merge_iface_af(struct iface_af *ia, struct iface_af *xi) | |
1400 | { | |
1401 | if (ia->enabled != xi->enabled) { | |
1402 | ia->enabled = xi->enabled; | |
1403 | if (ldpd_process == PROC_LDP_ENGINE) | |
61cd1100 | 1404 | ldp_if_update(ia->iface, ia->af); |
8429abe0 RW |
1405 | } |
1406 | ia->hello_holdtime = xi->hello_holdtime; | |
1407 | ia->hello_interval = xi->hello_interval; | |
1408 | } | |
1409 | ||
1410 | static void | |
56b8a8d2 | 1411 | merge_tnbrs(struct ldpd_conf *conf, struct ldpd_conf *xconf) |
8429abe0 RW |
1412 | { |
1413 | struct tnbr *tnbr, *ttmp, *xt; | |
1414 | ||
7989cdba | 1415 | RB_FOREACH_SAFE(tnbr, tnbr_head, &conf->tnbr_tree, ttmp) { |
8429abe0 RW |
1416 | if (!(tnbr->flags & F_TNBR_CONFIGURED)) |
1417 | continue; | |
1418 | ||
1419 | /* find deleted tnbrs */ | |
1420 | if ((xt = tnbr_find(xconf, tnbr->af, &tnbr->addr)) == NULL) { | |
4af8997d | 1421 | switch (ldpd_process) { |
4af8997d | 1422 | case PROC_LDP_ENGINE: |
8429abe0 | 1423 | tnbr->flags &= ~F_TNBR_CONFIGURED; |
7989cdba | 1424 | tnbr_check(conf, tnbr); |
4af8997d | 1425 | break; |
1d75a89d | 1426 | case PROC_LDE_ENGINE: |
4af8997d | 1427 | case PROC_MAIN: |
7989cdba | 1428 | RB_REMOVE(tnbr_head, &conf->tnbr_tree, tnbr); |
8429abe0 | 1429 | free(tnbr); |
4af8997d | 1430 | break; |
8429abe0 RW |
1431 | } |
1432 | } | |
1433 | } | |
7989cdba | 1434 | RB_FOREACH_SAFE(xt, tnbr_head, &xconf->tnbr_tree, ttmp) { |
8429abe0 RW |
1435 | /* find new tnbrs */ |
1436 | if ((tnbr = tnbr_find(conf, xt->af, &xt->addr)) == NULL) { | |
1d75a89d RW |
1437 | COPY(tnbr, xt); |
1438 | RB_INSERT(tnbr_head, &conf->tnbr_tree, tnbr); | |
8429abe0 | 1439 | |
4af8997d | 1440 | switch (ldpd_process) { |
4af8997d | 1441 | case PROC_LDP_ENGINE: |
1d75a89d | 1442 | tnbr_update(tnbr); |
4af8997d | 1443 | break; |
1d75a89d | 1444 | case PROC_LDE_ENGINE: |
4af8997d | 1445 | case PROC_MAIN: |
4af8997d RW |
1446 | break; |
1447 | } | |
8429abe0 RW |
1448 | continue; |
1449 | } | |
1450 | ||
1451 | /* update existing tnbrs */ | |
1452 | if (!(tnbr->flags & F_TNBR_CONFIGURED)) | |
1453 | tnbr->flags |= F_TNBR_CONFIGURED; | |
8429abe0 RW |
1454 | } |
1455 | } | |
1456 | ||
1457 | static void | |
56b8a8d2 | 1458 | merge_nbrps(struct ldpd_conf *conf, struct ldpd_conf *xconf) |
8429abe0 RW |
1459 | { |
1460 | struct nbr_params *nbrp, *ntmp, *xn; | |
1461 | struct nbr *nbr; | |
1462 | int nbrp_changed; | |
1463 | ||
76c4abd1 | 1464 | RB_FOREACH_SAFE(nbrp, nbrp_head, &conf->nbrp_tree, ntmp) { |
8429abe0 RW |
1465 | /* find deleted nbrps */ |
1466 | if ((xn = nbr_params_find(xconf, nbrp->lsr_id)) == NULL) { | |
4af8997d | 1467 | switch (ldpd_process) { |
4af8997d | 1468 | case PROC_LDP_ENGINE: |
8429abe0 RW |
1469 | nbr = nbr_find_ldpid(nbrp->lsr_id.s_addr); |
1470 | if (nbr) { | |
1471 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); | |
eac6e3f0 | 1472 | #ifdef __OpenBSD__ |
8429abe0 | 1473 | pfkey_remove(nbr); |
eac6e3f0 RW |
1474 | #else |
1475 | sock_set_md5sig( | |
1476 | (ldp_af_global_get(&global, | |
1477 | nbr->af))->ldp_session_socket, | |
1478 | nbr->af, &nbr->raddr, NULL); | |
1479 | #endif | |
0f7b5df9 | 1480 | nbr->auth.method = AUTH_NONE; |
8429abe0 RW |
1481 | if (nbr_session_active_role(nbr)) |
1482 | nbr_establish_connection(nbr); | |
1483 | } | |
4af8997d | 1484 | break; |
1d75a89d | 1485 | case PROC_LDE_ENGINE: |
4af8997d | 1486 | case PROC_MAIN: |
4af8997d | 1487 | break; |
8429abe0 | 1488 | } |
76c4abd1 | 1489 | RB_REMOVE(nbrp_head, &conf->nbrp_tree, nbrp); |
8429abe0 RW |
1490 | free(nbrp); |
1491 | } | |
1492 | } | |
76c4abd1 | 1493 | RB_FOREACH_SAFE(xn, nbrp_head, &xconf->nbrp_tree, ntmp) { |
8429abe0 RW |
1494 | /* find new nbrps */ |
1495 | if ((nbrp = nbr_params_find(conf, xn->lsr_id)) == NULL) { | |
1d75a89d RW |
1496 | COPY(nbrp, xn); |
1497 | RB_INSERT(nbrp_head, &conf->nbrp_tree, nbrp); | |
8429abe0 | 1498 | |
4af8997d | 1499 | switch (ldpd_process) { |
4af8997d | 1500 | case PROC_LDP_ENGINE: |
1d75a89d | 1501 | nbr = nbr_find_ldpid(nbrp->lsr_id.s_addr); |
8429abe0 RW |
1502 | if (nbr) { |
1503 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); | |
1d75a89d | 1504 | nbr->auth.method = nbrp->auth.method; |
eac6e3f0 | 1505 | #ifdef __OpenBSD__ |
1d75a89d | 1506 | if (pfkey_establish(nbr, nbrp) == -1) |
8429abe0 | 1507 | fatalx("pfkey setup failed"); |
eac6e3f0 RW |
1508 | #else |
1509 | sock_set_md5sig( | |
1510 | (ldp_af_global_get(&global, | |
1511 | nbr->af))->ldp_session_socket, | |
1512 | nbr->af, &nbr->raddr, | |
1d75a89d | 1513 | nbrp->auth.md5key); |
eac6e3f0 | 1514 | #endif |
8429abe0 RW |
1515 | if (nbr_session_active_role(nbr)) |
1516 | nbr_establish_connection(nbr); | |
1517 | } | |
4af8997d | 1518 | break; |
1d75a89d | 1519 | case PROC_LDE_ENGINE: |
4af8997d | 1520 | case PROC_MAIN: |
4af8997d | 1521 | break; |
8429abe0 RW |
1522 | } |
1523 | continue; | |
1524 | } | |
1525 | ||
1526 | /* update existing nbrps */ | |
1527 | if (nbrp->flags != xn->flags || | |
1528 | nbrp->keepalive != xn->keepalive || | |
1529 | nbrp->gtsm_enabled != xn->gtsm_enabled || | |
1530 | nbrp->gtsm_hops != xn->gtsm_hops || | |
1531 | nbrp->auth.method != xn->auth.method || | |
1532 | strcmp(nbrp->auth.md5key, xn->auth.md5key) != 0) | |
1533 | nbrp_changed = 1; | |
1534 | else | |
1535 | nbrp_changed = 0; | |
1536 | ||
1537 | nbrp->keepalive = xn->keepalive; | |
1538 | nbrp->gtsm_enabled = xn->gtsm_enabled; | |
1539 | nbrp->gtsm_hops = xn->gtsm_hops; | |
1540 | nbrp->auth.method = xn->auth.method; | |
1541 | strlcpy(nbrp->auth.md5key, xn->auth.md5key, | |
1542 | sizeof(nbrp->auth.md5key)); | |
1543 | nbrp->auth.md5key_len = xn->auth.md5key_len; | |
1544 | nbrp->flags = xn->flags; | |
1545 | ||
1546 | if (ldpd_process == PROC_LDP_ENGINE) { | |
1547 | nbr = nbr_find_ldpid(nbrp->lsr_id.s_addr); | |
1548 | if (nbr && nbrp_changed) { | |
1549 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); | |
eac6e3f0 | 1550 | #ifdef __OpenBSD__ |
8429abe0 | 1551 | pfkey_remove(nbr); |
0f7b5df9 | 1552 | nbr->auth.method = nbrp->auth.method; |
8429abe0 RW |
1553 | if (pfkey_establish(nbr, nbrp) == -1) |
1554 | fatalx("pfkey setup failed"); | |
eac6e3f0 | 1555 | #else |
0f7b5df9 | 1556 | nbr->auth.method = nbrp->auth.method; |
eac6e3f0 RW |
1557 | sock_set_md5sig((ldp_af_global_get(&global, |
1558 | nbr->af))->ldp_session_socket, nbr->af, | |
1559 | &nbr->raddr, nbrp->auth.md5key); | |
1560 | #endif | |
8429abe0 RW |
1561 | if (nbr_session_active_role(nbr)) |
1562 | nbr_establish_connection(nbr); | |
1563 | } | |
1564 | } | |
8429abe0 RW |
1565 | } |
1566 | } | |
1567 | ||
1568 | static void | |
56b8a8d2 | 1569 | merge_l2vpns(struct ldpd_conf *conf, struct ldpd_conf *xconf) |
8429abe0 RW |
1570 | { |
1571 | struct l2vpn *l2vpn, *ltmp, *xl; | |
1572 | ||
90d7e7bd | 1573 | RB_FOREACH_SAFE(l2vpn, l2vpn_head, &conf->l2vpn_tree, ltmp) { |
8429abe0 RW |
1574 | /* find deleted l2vpns */ |
1575 | if ((xl = l2vpn_find(xconf, l2vpn->name)) == NULL) { | |
8429abe0 RW |
1576 | switch (ldpd_process) { |
1577 | case PROC_LDE_ENGINE: | |
1578 | l2vpn_exit(l2vpn); | |
1579 | break; | |
1580 | case PROC_LDP_ENGINE: | |
1581 | ldpe_l2vpn_exit(l2vpn); | |
1582 | break; | |
1583 | case PROC_MAIN: | |
1584 | break; | |
1585 | } | |
1d75a89d | 1586 | RB_REMOVE(l2vpn_head, &conf->l2vpn_tree, l2vpn); |
8429abe0 RW |
1587 | l2vpn_del(l2vpn); |
1588 | } | |
1589 | } | |
90d7e7bd | 1590 | RB_FOREACH_SAFE(xl, l2vpn_head, &xconf->l2vpn_tree, ltmp) { |
8429abe0 RW |
1591 | /* find new l2vpns */ |
1592 | if ((l2vpn = l2vpn_find(conf, xl->name)) == NULL) { | |
1d75a89d RW |
1593 | COPY(l2vpn, xl); |
1594 | RB_INSERT(l2vpn_head, &conf->l2vpn_tree, l2vpn); | |
45926e58 RZ |
1595 | RB_INIT(l2vpn_if_head, &l2vpn->if_tree); |
1596 | RB_INIT(l2vpn_pw_head, &l2vpn->pw_tree); | |
1597 | RB_INIT(l2vpn_pw_head, &l2vpn->pw_inactive_tree); | |
8429abe0 RW |
1598 | |
1599 | switch (ldpd_process) { | |
1600 | case PROC_LDE_ENGINE: | |
1d75a89d | 1601 | l2vpn_init(l2vpn); |
8429abe0 RW |
1602 | break; |
1603 | case PROC_LDP_ENGINE: | |
1d75a89d | 1604 | ldpe_l2vpn_init(l2vpn); |
8429abe0 RW |
1605 | break; |
1606 | case PROC_MAIN: | |
1607 | break; | |
1608 | } | |
8429abe0 RW |
1609 | } |
1610 | ||
1611 | /* update existing l2vpns */ | |
56b8a8d2 | 1612 | merge_l2vpn(conf, l2vpn, xl); |
8429abe0 RW |
1613 | } |
1614 | } | |
1615 | ||
1616 | static void | |
56b8a8d2 | 1617 | merge_l2vpn(struct ldpd_conf *xconf, struct l2vpn *l2vpn, struct l2vpn *xl) |
8429abe0 RW |
1618 | { |
1619 | struct l2vpn_if *lif, *ftmp, *xf; | |
1620 | struct l2vpn_pw *pw, *ptmp, *xp; | |
1621 | struct nbr *nbr; | |
1622 | int reset_nbr, reinstall_pwfec, reinstall_tnbr; | |
1623 | int previous_pw_type, previous_mtu; | |
1624 | ||
1625 | previous_pw_type = l2vpn->pw_type; | |
1626 | previous_mtu = l2vpn->mtu; | |
1627 | ||
1628 | /* merge intefaces */ | |
029c1958 | 1629 | RB_FOREACH_SAFE(lif, l2vpn_if_head, &l2vpn->if_tree, ftmp) { |
8429abe0 | 1630 | /* find deleted interfaces */ |
52bd4c23 | 1631 | if ((xf = l2vpn_if_find(xl, lif->ifname)) == NULL) { |
029c1958 | 1632 | RB_REMOVE(l2vpn_if_head, &l2vpn->if_tree, lif); |
8429abe0 RW |
1633 | free(lif); |
1634 | } | |
1635 | } | |
029c1958 | 1636 | RB_FOREACH_SAFE(xf, l2vpn_if_head, &xl->if_tree, ftmp) { |
8429abe0 | 1637 | /* find new interfaces */ |
52bd4c23 | 1638 | if ((lif = l2vpn_if_find(l2vpn, xf->ifname)) == NULL) { |
1d75a89d RW |
1639 | COPY(lif, xf); |
1640 | RB_INSERT(l2vpn_if_head, &l2vpn->if_tree, lif); | |
1641 | lif->l2vpn = l2vpn; | |
1642 | ||
1643 | switch (ldpd_process) { | |
1644 | case PROC_LDP_ENGINE: | |
1645 | case PROC_LDE_ENGINE: | |
1646 | break; | |
1647 | case PROC_MAIN: | |
1648 | kif_redistribute(lif->ifname); | |
1649 | break; | |
52b530fc | 1650 | } |
8429abe0 | 1651 | } |
8429abe0 RW |
1652 | } |
1653 | ||
eac6e3f0 | 1654 | /* merge active pseudowires */ |
20bacaeb | 1655 | RB_FOREACH_SAFE(pw, l2vpn_pw_head, &l2vpn->pw_tree, ptmp) { |
eac6e3f0 | 1656 | /* find deleted active pseudowires */ |
5c3f00af | 1657 | if ((xp = l2vpn_pw_find_active(xl, pw->ifname)) == NULL) { |
8429abe0 RW |
1658 | switch (ldpd_process) { |
1659 | case PROC_LDE_ENGINE: | |
1660 | l2vpn_pw_exit(pw); | |
1661 | break; | |
1662 | case PROC_LDP_ENGINE: | |
1663 | ldpe_l2vpn_pw_exit(pw); | |
1664 | break; | |
1665 | case PROC_MAIN: | |
1666 | break; | |
1667 | } | |
1668 | ||
20bacaeb | 1669 | RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_tree, pw); |
8429abe0 RW |
1670 | free(pw); |
1671 | } | |
1672 | } | |
20bacaeb | 1673 | RB_FOREACH_SAFE(xp, l2vpn_pw_head, &xl->pw_tree, ptmp) { |
eac6e3f0 | 1674 | /* find new active pseudowires */ |
5c3f00af | 1675 | if ((pw = l2vpn_pw_find_active(l2vpn, xp->ifname)) == NULL) { |
1d75a89d RW |
1676 | COPY(pw, xp); |
1677 | RB_INSERT(l2vpn_pw_head, &l2vpn->pw_tree, pw); | |
1678 | pw->l2vpn = l2vpn; | |
8429abe0 RW |
1679 | |
1680 | switch (ldpd_process) { | |
1681 | case PROC_LDE_ENGINE: | |
1d75a89d | 1682 | l2vpn_pw_init(pw); |
8429abe0 RW |
1683 | break; |
1684 | case PROC_LDP_ENGINE: | |
1d75a89d | 1685 | ldpe_l2vpn_pw_init(pw); |
8429abe0 RW |
1686 | break; |
1687 | case PROC_MAIN: | |
1d75a89d | 1688 | kif_redistribute(pw->ifname); |
8429abe0 RW |
1689 | break; |
1690 | } | |
1691 | continue; | |
1692 | } | |
1693 | ||
eac6e3f0 | 1694 | /* update existing active pseudowire */ |
8429abe0 RW |
1695 | if (pw->af != xp->af || |
1696 | ldp_addrcmp(pw->af, &pw->addr, &xp->addr)) | |
1697 | reinstall_tnbr = 1; | |
1698 | else | |
1699 | reinstall_tnbr = 0; | |
1700 | ||
1701 | /* changes that require a session restart */ | |
1702 | if ((pw->flags & (F_PW_STATUSTLV_CONF|F_PW_CWORD_CONF)) != | |
1703 | (xp->flags & (F_PW_STATUSTLV_CONF|F_PW_CWORD_CONF))) | |
1704 | reset_nbr = 1; | |
1705 | else | |
1706 | reset_nbr = 0; | |
1707 | ||
1708 | if (l2vpn->pw_type != xl->pw_type || l2vpn->mtu != xl->mtu || | |
1709 | pw->pwid != xp->pwid || reinstall_tnbr || reset_nbr || | |
1710 | pw->lsr_id.s_addr != xp->lsr_id.s_addr) | |
1711 | reinstall_pwfec = 1; | |
1712 | else | |
1713 | reinstall_pwfec = 0; | |
1714 | ||
1715 | if (ldpd_process == PROC_LDP_ENGINE) { | |
1716 | if (reinstall_tnbr) | |
1717 | ldpe_l2vpn_pw_exit(pw); | |
1718 | if (reset_nbr) { | |
1719 | nbr = nbr_find_ldpid(pw->lsr_id.s_addr); | |
1720 | if (nbr && nbr->state == NBR_STA_OPER) | |
1721 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); | |
1722 | } | |
1723 | } | |
be0fbdeb | 1724 | if (ldpd_process == PROC_LDE_ENGINE && reinstall_pwfec) |
8429abe0 RW |
1725 | l2vpn_pw_exit(pw); |
1726 | pw->lsr_id = xp->lsr_id; | |
1727 | pw->af = xp->af; | |
1728 | pw->addr = xp->addr; | |
1729 | pw->pwid = xp->pwid; | |
1730 | strlcpy(pw->ifname, xp->ifname, sizeof(pw->ifname)); | |
1731 | pw->ifindex = xp->ifindex; | |
1732 | if (xp->flags & F_PW_CWORD_CONF) | |
1733 | pw->flags |= F_PW_CWORD_CONF; | |
1734 | else | |
1735 | pw->flags &= ~F_PW_CWORD_CONF; | |
1736 | if (xp->flags & F_PW_STATUSTLV_CONF) | |
1737 | pw->flags |= F_PW_STATUSTLV_CONF; | |
1738 | else | |
1739 | pw->flags &= ~F_PW_STATUSTLV_CONF; | |
eac6e3f0 RW |
1740 | if (xp->flags & F_PW_STATIC_NBR_ADDR) |
1741 | pw->flags |= F_PW_STATIC_NBR_ADDR; | |
1742 | else | |
1743 | pw->flags &= ~F_PW_STATIC_NBR_ADDR; | |
8429abe0 RW |
1744 | if (ldpd_process == PROC_LDP_ENGINE && reinstall_tnbr) |
1745 | ldpe_l2vpn_pw_init(pw); | |
be0fbdeb | 1746 | if (ldpd_process == PROC_LDE_ENGINE && reinstall_pwfec) { |
8429abe0 RW |
1747 | l2vpn->pw_type = xl->pw_type; |
1748 | l2vpn->mtu = xl->mtu; | |
1749 | l2vpn_pw_init(pw); | |
1750 | l2vpn->pw_type = previous_pw_type; | |
1751 | l2vpn->mtu = previous_mtu; | |
1752 | } | |
8429abe0 RW |
1753 | } |
1754 | ||
eac6e3f0 | 1755 | /* merge inactive pseudowires */ |
20bacaeb | 1756 | RB_FOREACH_SAFE(pw, l2vpn_pw_head, &l2vpn->pw_inactive_tree, ptmp) { |
eac6e3f0 | 1757 | /* find deleted inactive pseudowires */ |
5c3f00af | 1758 | if ((xp = l2vpn_pw_find_inactive(xl, pw->ifname)) == NULL) { |
20bacaeb | 1759 | RB_REMOVE(l2vpn_pw_head, &l2vpn->pw_inactive_tree, pw); |
eac6e3f0 RW |
1760 | free(pw); |
1761 | } | |
1762 | } | |
20bacaeb | 1763 | RB_FOREACH_SAFE(xp, l2vpn_pw_head, &xl->pw_inactive_tree, ptmp) { |
eac6e3f0 | 1764 | /* find new inactive pseudowires */ |
5c3f00af | 1765 | if ((pw = l2vpn_pw_find_inactive(l2vpn, xp->ifname)) == NULL) { |
1d75a89d RW |
1766 | COPY(pw, xp); |
1767 | RB_INSERT(l2vpn_pw_head, &l2vpn->pw_inactive_tree, pw); | |
1768 | pw->l2vpn = l2vpn; | |
1769 | ||
1770 | switch (ldpd_process) { | |
1771 | case PROC_LDE_ENGINE: | |
1772 | case PROC_LDP_ENGINE: | |
1773 | break; | |
1774 | case PROC_MAIN: | |
1775 | kif_redistribute(pw->ifname); | |
1776 | break; | |
52b530fc | 1777 | } |
eac6e3f0 RW |
1778 | continue; |
1779 | } | |
1780 | ||
1781 | /* update existing inactive pseudowire */ | |
1782 | pw->lsr_id.s_addr = xp->lsr_id.s_addr; | |
1783 | pw->af = xp->af; | |
1784 | pw->addr = xp->addr; | |
1785 | pw->pwid = xp->pwid; | |
1786 | strlcpy(pw->ifname, xp->ifname, sizeof(pw->ifname)); | |
1787 | pw->ifindex = xp->ifindex; | |
1788 | pw->flags = xp->flags; | |
eac6e3f0 | 1789 | } |
eac6e3f0 | 1790 | |
8429abe0 RW |
1791 | l2vpn->pw_type = xl->pw_type; |
1792 | l2vpn->mtu = xl->mtu; | |
1793 | strlcpy(l2vpn->br_ifname, xl->br_ifname, sizeof(l2vpn->br_ifname)); | |
1794 | l2vpn->br_ifindex = xl->br_ifindex; | |
1795 | } | |
1796 | ||
1797 | struct ldpd_conf * | |
1798 | config_new_empty(void) | |
1799 | { | |
1800 | struct ldpd_conf *xconf; | |
1801 | ||
1802 | xconf = calloc(1, sizeof(*xconf)); | |
1803 | if (xconf == NULL) | |
1804 | fatal(NULL); | |
1805 | ||
45926e58 RZ |
1806 | RB_INIT(iface_head, &xconf->iface_tree); |
1807 | RB_INIT(tnbr_head, &xconf->tnbr_tree); | |
1808 | RB_INIT(nbrp_head, &xconf->nbrp_tree); | |
1809 | RB_INIT(l2vpn_head, &xconf->l2vpn_tree); | |
8429abe0 | 1810 | |
e4a82008 RW |
1811 | /* set default values */ |
1812 | ldp_config_reset(xconf); | |
1813 | ||
8429abe0 RW |
1814 | return (xconf); |
1815 | } | |
1816 | ||
1817 | void | |
1818 | config_clear(struct ldpd_conf *conf) | |
1819 | { | |
1820 | struct ldpd_conf *xconf; | |
1821 | ||
1822 | /* | |
1823 | * Merge current config with an empty config, this will deactivate | |
1824 | * and deallocate all the interfaces, pseudowires and so on. Before | |
1825 | * merging, copy the router-id and other variables to avoid some | |
1826 | * unnecessary operations, like trying to reset the neighborships. | |
1827 | */ | |
1828 | xconf = config_new_empty(); | |
1829 | xconf->ipv4 = conf->ipv4; | |
1830 | xconf->ipv6 = conf->ipv6; | |
1831 | xconf->rtr_id = conf->rtr_id; | |
1832 | xconf->trans_pref = conf->trans_pref; | |
1833 | xconf->flags = conf->flags; | |
1834 | merge_config(conf, xconf); | |
1d75a89d | 1835 | free(xconf); |
8429abe0 RW |
1836 | free(conf); |
1837 | } |