]>
Commit | Line | Data |
---|---|---|
718e3744 | 1 | /* BGP community-list and extcommunity-list. |
896014f4 DL |
2 | * Copyright (C) 1999 Kunihiro Ishiguro |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along | |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
718e3744 | 20 | |
21 | #include <zebra.h> | |
22 | ||
23 | #include "command.h" | |
24 | #include "prefix.h" | |
25 | #include "memory.h" | |
3f9c7369 | 26 | #include "queue.h" |
039f3a34 | 27 | #include "filter.h" |
718e3744 | 28 | |
29 | #include "bgpd/bgpd.h" | |
30 | #include "bgpd/bgp_community.h" | |
31 | #include "bgpd/bgp_ecommunity.h" | |
57d187bc | 32 | #include "bgpd/bgp_lcommunity.h" |
718e3744 | 33 | #include "bgpd/bgp_aspath.h" |
34 | #include "bgpd/bgp_regex.h" | |
35 | #include "bgpd/bgp_clist.h" | |
6b0655a2 | 36 | |
718e3744 | 37 | /* Lookup master structure for community-list or |
38 | extcommunity-list. */ | |
39 | struct community_list_master * | |
fee6e4e4 | 40 | community_list_master_lookup (struct community_list_handler *ch, int master) |
718e3744 | 41 | { |
42 | if (ch) | |
fee6e4e4 | 43 | switch (master) |
718e3744 | 44 | { |
fee6e4e4 | 45 | case COMMUNITY_LIST_MASTER: |
2acb4ac2 | 46 | return &ch->community_list; |
fee6e4e4 | 47 | case EXTCOMMUNITY_LIST_MASTER: |
2acb4ac2 | 48 | return &ch->extcommunity_list; |
57d187bc | 49 | case LARGE_COMMUNITY_LIST_MASTER: |
2acb4ac2 | 50 | return &ch->lcommunity_list; |
718e3744 | 51 | } |
52 | return NULL; | |
53 | } | |
54 | ||
55 | /* Allocate a new community list entry. */ | |
94f2b392 | 56 | static struct community_entry * |
66e5cd87 | 57 | community_entry_new (void) |
718e3744 | 58 | { |
393deb9b | 59 | return XCALLOC (MTYPE_COMMUNITY_LIST_ENTRY, sizeof (struct community_entry)); |
718e3744 | 60 | } |
61 | ||
62 | /* Free community list entry. */ | |
94f2b392 | 63 | static void |
718e3744 | 64 | community_entry_free (struct community_entry *entry) |
65 | { | |
66 | switch (entry->style) | |
67 | { | |
68 | case COMMUNITY_LIST_STANDARD: | |
69 | if (entry->u.com) | |
8708b74f | 70 | community_free (entry->u.com); |
718e3744 | 71 | break; |
57d187bc JS |
72 | case LARGE_COMMUNITY_LIST_STANDARD: |
73 | if (entry->u.lcom) | |
74 | lcommunity_free (&entry->u.lcom); | |
75 | break; | |
718e3744 | 76 | case EXTCOMMUNITY_LIST_STANDARD: |
77 | /* In case of standard extcommunity-list, configuration string | |
8708b74f | 78 | is made by ecommunity_ecom2str(). */ |
718e3744 | 79 | if (entry->config) |
8708b74f | 80 | XFREE (MTYPE_ECOMMUNITY_STR, entry->config); |
718e3744 | 81 | if (entry->u.ecom) |
f6f434b2 | 82 | ecommunity_free (&entry->u.ecom); |
718e3744 | 83 | break; |
84 | case COMMUNITY_LIST_EXPANDED: | |
85 | case EXTCOMMUNITY_LIST_EXPANDED: | |
57d187bc | 86 | case LARGE_COMMUNITY_LIST_EXPANDED: |
718e3744 | 87 | if (entry->config) |
8708b74f | 88 | XFREE (MTYPE_COMMUNITY_LIST_CONFIG, entry->config); |
718e3744 | 89 | if (entry->reg) |
8708b74f | 90 | bgp_regex_free (entry->reg); |
718e3744 | 91 | default: |
92 | break; | |
93 | } | |
94 | XFREE (MTYPE_COMMUNITY_LIST_ENTRY, entry); | |
95 | } | |
96 | ||
97 | /* Allocate a new community-list. */ | |
94f2b392 | 98 | static struct community_list * |
66e5cd87 | 99 | community_list_new (void) |
718e3744 | 100 | { |
393deb9b | 101 | return XCALLOC (MTYPE_COMMUNITY_LIST, sizeof (struct community_list)); |
718e3744 | 102 | } |
103 | ||
104 | /* Free community-list. */ | |
94f2b392 | 105 | static void |
718e3744 | 106 | community_list_free (struct community_list *list) |
107 | { | |
108 | if (list->name) | |
109 | XFREE (MTYPE_COMMUNITY_LIST_NAME, list->name); | |
110 | XFREE (MTYPE_COMMUNITY_LIST, list); | |
111 | } | |
112 | ||
94f2b392 | 113 | static struct community_list * |
718e3744 | 114 | community_list_insert (struct community_list_handler *ch, |
fee6e4e4 | 115 | const char *name, int master) |
718e3744 | 116 | { |
fd79ac91 | 117 | size_t i; |
718e3744 | 118 | long number; |
119 | struct community_list *new; | |
120 | struct community_list *point; | |
121 | struct community_list_list *list; | |
122 | struct community_list_master *cm; | |
123 | ||
124 | /* Lookup community-list master. */ | |
fee6e4e4 | 125 | cm = community_list_master_lookup (ch, master); |
8708b74f | 126 | if (!cm) |
718e3744 | 127 | return NULL; |
128 | ||
129 | /* Allocate new community_list and copy given name. */ | |
130 | new = community_list_new (); | |
131 | new->name = XSTRDUP (MTYPE_COMMUNITY_LIST_NAME, name); | |
132 | ||
133 | /* If name is made by all digit character. We treat it as | |
134 | number. */ | |
135 | for (number = 0, i = 0; i < strlen (name); i++) | |
136 | { | |
137 | if (isdigit ((int) name[i])) | |
8708b74f | 138 | number = (number * 10) + (name[i] - '0'); |
718e3744 | 139 | else |
8708b74f | 140 | break; |
718e3744 | 141 | } |
142 | ||
143 | /* In case of name is all digit character */ | |
144 | if (i == strlen (name)) | |
145 | { | |
146 | new->sort = COMMUNITY_LIST_NUMBER; | |
147 | ||
148 | /* Set access_list to number list. */ | |
149 | list = &cm->num; | |
150 | ||
151 | for (point = list->head; point; point = point->next) | |
8708b74f | 152 | if (atol (point->name) >= number) |
153 | break; | |
718e3744 | 154 | } |
155 | else | |
156 | { | |
157 | new->sort = COMMUNITY_LIST_STRING; | |
158 | ||
159 | /* Set access_list to string list. */ | |
160 | list = &cm->str; | |
8708b74f | 161 | |
718e3744 | 162 | /* Set point to insertion point. */ |
163 | for (point = list->head; point; point = point->next) | |
8708b74f | 164 | if (strcmp (point->name, name) >= 0) |
165 | break; | |
718e3744 | 166 | } |
167 | ||
168 | /* Link to upper list. */ | |
169 | new->parent = list; | |
170 | ||
171 | /* In case of this is the first element of master. */ | |
172 | if (list->head == NULL) | |
173 | { | |
174 | list->head = list->tail = new; | |
175 | return new; | |
176 | } | |
177 | ||
178 | /* In case of insertion is made at the tail of access_list. */ | |
179 | if (point == NULL) | |
180 | { | |
181 | new->prev = list->tail; | |
182 | list->tail->next = new; | |
183 | list->tail = new; | |
184 | return new; | |
185 | } | |
186 | ||
187 | /* In case of insertion is made at the head of access_list. */ | |
188 | if (point == list->head) | |
189 | { | |
190 | new->next = list->head; | |
191 | list->head->prev = new; | |
192 | list->head = new; | |
193 | return new; | |
194 | } | |
195 | ||
196 | /* Insertion is made at middle of the access_list. */ | |
197 | new->next = point; | |
198 | new->prev = point->prev; | |
199 | ||
200 | if (point->prev) | |
201 | point->prev->next = new; | |
202 | point->prev = new; | |
203 | ||
204 | return new; | |
205 | } | |
206 | ||
207 | struct community_list * | |
208 | community_list_lookup (struct community_list_handler *ch, | |
fee6e4e4 | 209 | const char *name, int master) |
718e3744 | 210 | { |
211 | struct community_list *list; | |
212 | struct community_list_master *cm; | |
213 | ||
8708b74f | 214 | if (!name) |
718e3744 | 215 | return NULL; |
216 | ||
fee6e4e4 | 217 | cm = community_list_master_lookup (ch, master); |
8708b74f | 218 | if (!cm) |
718e3744 | 219 | return NULL; |
220 | ||
221 | for (list = cm->num.head; list; list = list->next) | |
222 | if (strcmp (list->name, name) == 0) | |
223 | return list; | |
224 | for (list = cm->str.head; list; list = list->next) | |
225 | if (strcmp (list->name, name) == 0) | |
226 | return list; | |
227 | ||
228 | return NULL; | |
229 | } | |
230 | ||
94f2b392 | 231 | static struct community_list * |
fee6e4e4 | 232 | community_list_get (struct community_list_handler *ch, |
233 | const char *name, int master) | |
718e3744 | 234 | { |
235 | struct community_list *list; | |
236 | ||
fee6e4e4 | 237 | list = community_list_lookup (ch, name, master); |
8708b74f | 238 | if (!list) |
fee6e4e4 | 239 | list = community_list_insert (ch, name, master); |
718e3744 | 240 | return list; |
241 | } | |
242 | ||
94f2b392 | 243 | static void |
718e3744 | 244 | community_list_delete (struct community_list *list) |
245 | { | |
246 | struct community_list_list *clist; | |
247 | struct community_entry *entry, *next; | |
248 | ||
249 | for (entry = list->head; entry; entry = next) | |
250 | { | |
251 | next = entry->next; | |
252 | community_entry_free (entry); | |
253 | } | |
254 | ||
255 | clist = list->parent; | |
256 | ||
257 | if (list->next) | |
258 | list->next->prev = list->prev; | |
259 | else | |
260 | clist->tail = list->prev; | |
261 | ||
262 | if (list->prev) | |
263 | list->prev->next = list->next; | |
264 | else | |
265 | clist->head = list->next; | |
266 | ||
267 | community_list_free (list); | |
268 | } | |
269 | ||
94f2b392 | 270 | static int |
718e3744 | 271 | community_list_empty_p (struct community_list *list) |
272 | { | |
273 | return (list->head == NULL && list->tail == NULL) ? 1 : 0; | |
274 | } | |
6b0655a2 | 275 | |
718e3744 | 276 | /* Add community-list entry to the list. */ |
277 | static void | |
8708b74f | 278 | community_list_entry_add (struct community_list *list, |
279 | struct community_entry *entry) | |
718e3744 | 280 | { |
281 | entry->next = NULL; | |
282 | entry->prev = list->tail; | |
283 | ||
284 | if (list->tail) | |
285 | list->tail->next = entry; | |
286 | else | |
287 | list->head = entry; | |
288 | list->tail = entry; | |
289 | } | |
290 | ||
291 | /* Delete community-list entry from the list. */ | |
292 | static void | |
293 | community_list_entry_delete (struct community_list *list, | |
8708b74f | 294 | struct community_entry *entry, int style) |
718e3744 | 295 | { |
296 | if (entry->next) | |
297 | entry->next->prev = entry->prev; | |
298 | else | |
299 | list->tail = entry->prev; | |
300 | ||
301 | if (entry->prev) | |
302 | entry->prev->next = entry->next; | |
303 | else | |
304 | list->head = entry->next; | |
305 | ||
306 | community_entry_free (entry); | |
307 | ||
308 | if (community_list_empty_p (list)) | |
309 | community_list_delete (list); | |
310 | } | |
311 | ||
312 | /* Lookup community-list entry from the list. */ | |
313 | static struct community_entry * | |
fd79ac91 | 314 | community_list_entry_lookup (struct community_list *list, const void *arg, |
8708b74f | 315 | int direct) |
718e3744 | 316 | { |
317 | struct community_entry *entry; | |
318 | ||
319 | for (entry = list->head; entry; entry = entry->next) | |
320 | { | |
321 | switch (entry->style) | |
8708b74f | 322 | { |
323 | case COMMUNITY_LIST_STANDARD: | |
813d4307 | 324 | if (entry->direct == direct && community_cmp (entry->u.com, arg)) |
8708b74f | 325 | return entry; |
326 | break; | |
327 | case EXTCOMMUNITY_LIST_STANDARD: | |
813d4307 | 328 | if (entry->direct == direct && ecommunity_cmp (entry->u.ecom, arg)) |
8708b74f | 329 | return entry; |
330 | break; | |
57d187bc JS |
331 | case LARGE_COMMUNITY_LIST_STANDARD: |
332 | if (entry->direct == direct && lcommunity_cmp (entry->u.lcom, arg)) | |
333 | return entry; | |
334 | break; | |
8708b74f | 335 | case COMMUNITY_LIST_EXPANDED: |
336 | case EXTCOMMUNITY_LIST_EXPANDED: | |
57d187bc | 337 | case LARGE_COMMUNITY_LIST_EXPANDED: |
813d4307 | 338 | if (entry->direct == direct && strcmp (entry->config, arg) == 0) |
8708b74f | 339 | return entry; |
340 | break; | |
341 | default: | |
342 | break; | |
343 | } | |
718e3744 | 344 | } |
345 | return NULL; | |
346 | } | |
6b0655a2 | 347 | |
5cbea288 DS |
348 | static char * |
349 | community_str_get (struct community *com, int i) | |
350 | { | |
351 | int len; | |
352 | u_int32_t comval; | |
353 | u_int16_t as; | |
354 | u_int16_t val; | |
355 | char *str; | |
356 | char *pnt; | |
357 | ||
358 | memcpy (&comval, com_nthval (com, i), sizeof (u_int32_t)); | |
359 | comval = ntohl (comval); | |
360 | ||
361 | switch (comval) | |
362 | { | |
363 | case COMMUNITY_INTERNET: | |
364 | len = strlen (" internet"); | |
365 | break; | |
366 | case COMMUNITY_NO_EXPORT: | |
367 | len = strlen (" no-export"); | |
368 | break; | |
369 | case COMMUNITY_NO_ADVERTISE: | |
370 | len = strlen (" no-advertise"); | |
371 | break; | |
372 | case COMMUNITY_LOCAL_AS: | |
373 | len = strlen (" local-AS"); | |
374 | break; | |
375 | default: | |
376 | len = strlen (" 65536:65535"); | |
377 | break; | |
378 | } | |
379 | ||
380 | /* Allocate memory. */ | |
381 | str = pnt = XMALLOC (MTYPE_COMMUNITY_STR, len); | |
382 | ||
383 | switch (comval) | |
384 | { | |
385 | case COMMUNITY_INTERNET: | |
386 | strcpy (pnt, "internet"); | |
387 | pnt += strlen ("internet"); | |
388 | break; | |
389 | case COMMUNITY_NO_EXPORT: | |
390 | strcpy (pnt, "no-export"); | |
391 | pnt += strlen ("no-export"); | |
392 | break; | |
393 | case COMMUNITY_NO_ADVERTISE: | |
394 | strcpy (pnt, "no-advertise"); | |
395 | pnt += strlen ("no-advertise"); | |
396 | break; | |
397 | case COMMUNITY_LOCAL_AS: | |
398 | strcpy (pnt, "local-AS"); | |
399 | pnt += strlen ("local-AS"); | |
400 | break; | |
401 | default: | |
402 | as = (comval >> 16) & 0xFFFF; | |
403 | val = comval & 0xFFFF; | |
404 | sprintf (pnt, "%u:%d", as, val); | |
405 | pnt += strlen (pnt); | |
406 | break; | |
407 | } | |
408 | ||
409 | *pnt = '\0'; | |
410 | ||
411 | return str; | |
412 | } | |
413 | ||
414 | /* Internal function to perform regular expression match for | |
2acb4ac2 | 415 | * a single community. */ |
5cbea288 DS |
416 | static int |
417 | community_regexp_include (regex_t * reg, struct community *com, int i) | |
418 | { | |
b84ee83b CF |
419 | char *str; |
420 | int rv; | |
5cbea288 | 421 | |
2acb4ac2 | 422 | /* When there is no communities attribute it is treated as empty string. */ |
5cbea288 | 423 | if (com == NULL || com->size == 0) |
b84ee83b | 424 | str = XSTRDUP(MTYPE_COMMUNITY_STR, ""); |
5cbea288 DS |
425 | else |
426 | str = community_str_get (com, i); | |
427 | ||
428 | /* Regular expression match. */ | |
b84ee83b CF |
429 | rv = regexec (reg, str, 0, NULL, 0); |
430 | ||
431 | XFREE(MTYPE_COMMUNITY_STR, str); | |
432 | ||
433 | if (rv == 0) | |
5cbea288 DS |
434 | return 1; |
435 | ||
436 | /* No match. */ | |
437 | return 0; | |
438 | } | |
439 | ||
718e3744 | 440 | /* Internal function to perform regular expression match for community |
441 | attribute. */ | |
442 | static int | |
8708b74f | 443 | community_regexp_match (struct community *com, regex_t * reg) |
718e3744 | 444 | { |
fd79ac91 | 445 | const char *str; |
718e3744 | 446 | |
447 | /* When there is no communities attribute it is treated as empty | |
448 | string. */ | |
449 | if (com == NULL || com->size == 0) | |
450 | str = ""; | |
451 | else | |
452 | str = community_str (com); | |
453 | ||
454 | /* Regular expression match. */ | |
455 | if (regexec (reg, str, 0, NULL, 0) == 0) | |
456 | return 1; | |
457 | ||
458 | /* No match. */ | |
459 | return 0; | |
460 | } | |
461 | ||
57d187bc JS |
462 | static char * |
463 | lcommunity_str_get (struct lcommunity *lcom, int i) | |
464 | { | |
465 | struct lcommunity_val lcomval; | |
466 | u_int32_t globaladmin; | |
467 | u_int32_t localdata1; | |
468 | u_int32_t localdata2; | |
469 | char *str; | |
470 | u_char *ptr; | |
471 | char *pnt; | |
472 | ||
473 | ptr = lcom->val; | |
474 | ptr += (i * LCOMMUNITY_SIZE); | |
475 | ||
476 | memcpy (&lcomval, ptr, LCOMMUNITY_SIZE); | |
477 | ||
478 | /* Allocate memory. 48 bytes taken off bgp_lcommunity.c */ | |
479 | str = pnt = XMALLOC (MTYPE_LCOMMUNITY_STR, 48); | |
480 | ||
481 | ptr = (u_char *)lcomval.val; | |
482 | globaladmin = (*ptr++ << 24); | |
483 | globaladmin |= (*ptr++ << 16); | |
484 | globaladmin |= (*ptr++ << 8); | |
485 | globaladmin |= (*ptr++); | |
486 | ||
487 | localdata1 = (*ptr++ << 24); | |
488 | localdata1 |= (*ptr++ << 16); | |
489 | localdata1 |= (*ptr++ << 8); | |
490 | localdata1 |= (*ptr++); | |
491 | ||
492 | localdata2 = (*ptr++ << 24); | |
493 | localdata2 |= (*ptr++ << 16); | |
494 | localdata2 |= (*ptr++ << 8); | |
495 | localdata2 |= (*ptr++); | |
496 | ||
497 | sprintf (pnt, "%u:%u:%u", globaladmin, localdata1, localdata2); | |
498 | pnt += strlen (pnt); | |
499 | *pnt = '\0'; | |
500 | ||
501 | return str; | |
502 | } | |
503 | ||
504 | /* Internal function to perform regular expression match for | |
2acb4ac2 | 505 | * a single community. */ |
57d187bc JS |
506 | static int |
507 | lcommunity_regexp_include (regex_t * reg, struct lcommunity *lcom, int i) | |
508 | { | |
daf9ddbb | 509 | char *str; |
57d187bc | 510 | |
2acb4ac2 | 511 | /* When there is no communities attribute it is treated as empty string. */ |
57d187bc | 512 | if (lcom == NULL || lcom->size == 0) |
daf9ddbb | 513 | str = XSTRDUP (MTYPE_LCOMMUNITY_STR, ""); |
57d187bc JS |
514 | else |
515 | str = lcommunity_str_get (lcom, i); | |
516 | ||
517 | /* Regular expression match. */ | |
518 | if (regexec (reg, str, 0, NULL, 0) == 0) | |
daf9ddbb DS |
519 | { |
520 | XFREE (MTYPE_LCOMMUNITY_STR, str); | |
521 | return 1; | |
522 | } | |
57d187bc | 523 | |
daf9ddbb | 524 | XFREE (MTYPE_LCOMMUNITY_STR, str); |
57d187bc JS |
525 | /* No match. */ |
526 | return 0; | |
527 | } | |
528 | ||
529 | static int | |
530 | lcommunity_regexp_match (struct lcommunity *com, regex_t * reg) | |
531 | { | |
532 | const char *str; | |
533 | ||
534 | /* When there is no communities attribute it is treated as empty | |
535 | string. */ | |
536 | if (com == NULL || com->size == 0) | |
537 | str = ""; | |
538 | else | |
539 | str = lcommunity_str (com); | |
540 | ||
541 | /* Regular expression match. */ | |
542 | if (regexec (reg, str, 0, NULL, 0) == 0) | |
543 | return 1; | |
544 | ||
545 | /* No match. */ | |
546 | return 0; | |
547 | } | |
548 | ||
549 | ||
8708b74f | 550 | static int |
551 | ecommunity_regexp_match (struct ecommunity *ecom, regex_t * reg) | |
552 | { | |
fd79ac91 | 553 | const char *str; |
8708b74f | 554 | |
555 | /* When there is no communities attribute it is treated as empty | |
556 | string. */ | |
557 | if (ecom == NULL || ecom->size == 0) | |
558 | str = ""; | |
559 | else | |
560 | str = ecommunity_str (ecom); | |
561 | ||
562 | /* Regular expression match. */ | |
563 | if (regexec (reg, str, 0, NULL, 0) == 0) | |
564 | return 1; | |
565 | ||
566 | /* No match. */ | |
567 | return 0; | |
568 | } | |
569 | ||
ffd0c037 | 570 | #if 0 |
718e3744 | 571 | /* Delete community attribute using regular expression match. Return |
572 | modified communites attribute. */ | |
573 | static struct community * | |
8708b74f | 574 | community_regexp_delete (struct community *com, regex_t * reg) |
718e3744 | 575 | { |
576 | int i; | |
577 | u_int32_t comval; | |
578 | /* Maximum is "65535:65535" + '\0'. */ | |
579 | char c[12]; | |
fd79ac91 | 580 | const char *str; |
718e3744 | 581 | |
8708b74f | 582 | if (!com) |
718e3744 | 583 | return NULL; |
584 | ||
585 | i = 0; | |
586 | while (i < com->size) | |
587 | { | |
588 | memcpy (&comval, com_nthval (com, i), sizeof (u_int32_t)); | |
589 | comval = ntohl (comval); | |
590 | ||
591 | switch (comval) | |
8708b74f | 592 | { |
593 | case COMMUNITY_INTERNET: | |
594 | str = "internet"; | |
595 | break; | |
596 | case COMMUNITY_NO_EXPORT: | |
597 | str = "no-export"; | |
598 | break; | |
599 | case COMMUNITY_NO_ADVERTISE: | |
600 | str = "no-advertise"; | |
601 | break; | |
602 | case COMMUNITY_LOCAL_AS: | |
603 | str = "local-AS"; | |
604 | break; | |
605 | default: | |
606 | sprintf (c, "%d:%d", (comval >> 16) & 0xFFFF, comval & 0xFFFF); | |
607 | str = c; | |
608 | break; | |
609 | } | |
718e3744 | 610 | |
611 | if (regexec (reg, str, 0, NULL, 0) == 0) | |
8708b74f | 612 | community_del_val (com, com_nthval (com, i)); |
718e3744 | 613 | else |
8708b74f | 614 | i++; |
718e3744 | 615 | } |
616 | return com; | |
617 | } | |
ffd0c037 | 618 | #endif |
718e3744 | 619 | |
620 | /* When given community attribute matches to the community-list return | |
621 | 1 else return 0. */ | |
622 | int | |
623 | community_list_match (struct community *com, struct community_list *list) | |
624 | { | |
625 | struct community_entry *entry; | |
626 | ||
627 | for (entry = list->head; entry; entry = entry->next) | |
628 | { | |
629 | if (entry->any) | |
8708b74f | 630 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; |
718e3744 | 631 | |
632 | if (entry->style == COMMUNITY_LIST_STANDARD) | |
8708b74f | 633 | { |
634 | if (community_include (entry->u.com, COMMUNITY_INTERNET)) | |
635 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
718e3744 | 636 | |
8708b74f | 637 | if (community_match (com, entry->u.com)) |
638 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
639 | } | |
718e3744 | 640 | else if (entry->style == COMMUNITY_LIST_EXPANDED) |
8708b74f | 641 | { |
642 | if (community_regexp_match (com, entry->reg)) | |
643 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
644 | } | |
645 | } | |
646 | return 0; | |
647 | } | |
648 | ||
57d187bc JS |
649 | int |
650 | lcommunity_list_match (struct lcommunity *lcom, struct community_list *list) | |
651 | { | |
652 | struct community_entry *entry; | |
653 | ||
654 | for (entry = list->head; entry; entry = entry->next) | |
655 | { | |
656 | if (entry->any) | |
657 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
658 | ||
659 | if (entry->style == LARGE_COMMUNITY_LIST_STANDARD) | |
660 | { | |
661 | if (lcommunity_match (lcom, entry->u.lcom)) | |
662 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
663 | } | |
664 | else if (entry->style == LARGE_COMMUNITY_LIST_EXPANDED) | |
665 | { | |
666 | if (lcommunity_regexp_match (lcom, entry->reg)) | |
667 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
668 | } | |
669 | } | |
670 | return 0; | |
671 | } | |
672 | ||
8708b74f | 673 | int |
674 | ecommunity_list_match (struct ecommunity *ecom, struct community_list *list) | |
675 | { | |
676 | struct community_entry *entry; | |
677 | ||
678 | for (entry = list->head; entry; entry = entry->next) | |
679 | { | |
680 | if (entry->any) | |
681 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
682 | ||
683 | if (entry->style == EXTCOMMUNITY_LIST_STANDARD) | |
684 | { | |
685 | if (ecommunity_match (ecom, entry->u.ecom)) | |
686 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
687 | } | |
688 | else if (entry->style == EXTCOMMUNITY_LIST_EXPANDED) | |
689 | { | |
690 | if (ecommunity_regexp_match (ecom, entry->reg)) | |
691 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
692 | } | |
718e3744 | 693 | } |
694 | return 0; | |
695 | } | |
696 | ||
697 | /* Perform exact matching. In case of expanded community-list, do | |
698 | same thing as community_list_match(). */ | |
699 | int | |
8708b74f | 700 | community_list_exact_match (struct community *com, |
701 | struct community_list *list) | |
718e3744 | 702 | { |
703 | struct community_entry *entry; | |
704 | ||
705 | for (entry = list->head; entry; entry = entry->next) | |
706 | { | |
707 | if (entry->any) | |
8708b74f | 708 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; |
718e3744 | 709 | |
710 | if (entry->style == COMMUNITY_LIST_STANDARD) | |
8708b74f | 711 | { |
712 | if (community_include (entry->u.com, COMMUNITY_INTERNET)) | |
713 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
718e3744 | 714 | |
8708b74f | 715 | if (community_cmp (com, entry->u.com)) |
716 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
717 | } | |
718e3744 | 718 | else if (entry->style == COMMUNITY_LIST_EXPANDED) |
8708b74f | 719 | { |
720 | if (community_regexp_match (com, entry->reg)) | |
721 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
722 | } | |
718e3744 | 723 | } |
724 | return 0; | |
725 | } | |
726 | ||
8708b74f | 727 | /* Delete all permitted communities in the list from com. */ |
718e3744 | 728 | struct community * |
729 | community_list_match_delete (struct community *com, | |
8708b74f | 730 | struct community_list *list) |
718e3744 | 731 | { |
732 | struct community_entry *entry; | |
5cbea288 DS |
733 | u_int32_t val; |
734 | u_int32_t com_index_to_delete[com->size]; | |
735 | int delete_index = 0; | |
736 | int i; | |
718e3744 | 737 | |
5cbea288 DS |
738 | /* Loop over each community value and evaluate each against the |
739 | * community-list. If we need to delete a community value add its index to | |
740 | * com_index_to_delete. | |
741 | */ | |
742 | for (i = 0; i < com->size; i++) | |
718e3744 | 743 | { |
5cbea288 DS |
744 | val = community_val_get (com, i); |
745 | ||
746 | for (entry = list->head; entry; entry = entry->next) | |
8708b74f | 747 | { |
5cbea288 | 748 | if (entry->any) |
847375b9 | 749 | { |
5cbea288 DS |
750 | if (entry->direct == COMMUNITY_PERMIT) |
751 | { | |
752 | com_index_to_delete[delete_index] = i; | |
753 | delete_index++; | |
754 | } | |
755 | break; | |
847375b9 | 756 | } |
718e3744 | 757 | |
5cbea288 DS |
758 | else if ((entry->style == COMMUNITY_LIST_STANDARD) |
759 | && (community_include (entry->u.com, COMMUNITY_INTERNET) | |
760 | || community_include (entry->u.com, val) )) | |
761 | { | |
847375b9 | 762 | if (entry->direct == COMMUNITY_PERMIT) |
5cbea288 DS |
763 | { |
764 | com_index_to_delete[delete_index] = i; | |
765 | delete_index++; | |
766 | } | |
767 | break; | |
768 | } | |
769 | ||
770 | else if ((entry->style == COMMUNITY_LIST_EXPANDED) | |
771 | && community_regexp_include (entry->reg, com, i)) | |
772 | { | |
773 | if (entry->direct == COMMUNITY_PERMIT) | |
774 | { | |
775 | com_index_to_delete[delete_index] = i; | |
776 | delete_index++; | |
777 | } | |
778 | break; | |
779 | } | |
780 | } | |
781 | } | |
782 | ||
783 | /* Delete all of the communities we flagged for deletion */ | |
784 | for (i = delete_index-1; i >= 0; i--) | |
785 | { | |
786 | val = community_val_get (com, com_index_to_delete[i]); | |
787 | community_del_val (com, &val); | |
718e3744 | 788 | } |
5cbea288 | 789 | |
718e3744 | 790 | return com; |
791 | } | |
792 | ||
793 | /* To avoid duplicated entry in the community-list, this function | |
794 | compares specified entry to existing entry. */ | |
94f2b392 | 795 | static int |
8708b74f | 796 | community_list_dup_check (struct community_list *list, |
797 | struct community_entry *new) | |
718e3744 | 798 | { |
799 | struct community_entry *entry; | |
8708b74f | 800 | |
718e3744 | 801 | for (entry = list->head; entry; entry = entry->next) |
802 | { | |
803 | if (entry->style != new->style) | |
8708b74f | 804 | continue; |
718e3744 | 805 | |
806 | if (entry->direct != new->direct) | |
8708b74f | 807 | continue; |
718e3744 | 808 | |
809 | if (entry->any != new->any) | |
8708b74f | 810 | continue; |
718e3744 | 811 | |
812 | if (entry->any) | |
8708b74f | 813 | return 1; |
718e3744 | 814 | |
815 | switch (entry->style) | |
8708b74f | 816 | { |
817 | case COMMUNITY_LIST_STANDARD: | |
818 | if (community_cmp (entry->u.com, new->u.com)) | |
819 | return 1; | |
820 | break; | |
57d187bc JS |
821 | case LARGE_COMMUNITY_LIST_STANDARD: |
822 | if (lcommunity_cmp (entry->u.lcom, new->u.lcom)) | |
823 | return 1; | |
824 | break; | |
8708b74f | 825 | case EXTCOMMUNITY_LIST_STANDARD: |
826 | if (ecommunity_cmp (entry->u.ecom, new->u.ecom)) | |
827 | return 1; | |
828 | break; | |
829 | case COMMUNITY_LIST_EXPANDED: | |
830 | case EXTCOMMUNITY_LIST_EXPANDED: | |
2acb4ac2 | 831 | case LARGE_COMMUNITY_LIST_EXPANDED: |
8708b74f | 832 | if (strcmp (entry->config, new->config) == 0) |
833 | return 1; | |
834 | break; | |
835 | default: | |
836 | break; | |
837 | } | |
718e3744 | 838 | } |
839 | return 0; | |
840 | } | |
6b0655a2 | 841 | |
718e3744 | 842 | /* Set community-list. */ |
843 | int | |
844 | community_list_set (struct community_list_handler *ch, | |
fd79ac91 | 845 | const char *name, const char *str, int direct, int style) |
718e3744 | 846 | { |
fee6e4e4 | 847 | struct community_entry *entry = NULL; |
718e3744 | 848 | struct community_list *list; |
fee6e4e4 | 849 | struct community *com = NULL; |
850 | regex_t *regex = NULL; | |
718e3744 | 851 | |
852 | /* Get community list. */ | |
fee6e4e4 | 853 | list = community_list_get (ch, name, COMMUNITY_LIST_MASTER); |
718e3744 | 854 | |
855 | /* When community-list already has entry, new entry should have same | |
856 | style. If you want to have mixed style community-list, you can | |
857 | comment out this check. */ | |
8708b74f | 858 | if (!community_list_empty_p (list)) |
718e3744 | 859 | { |
860 | struct community_entry *first; | |
861 | ||
862 | first = list->head; | |
863 | ||
fee6e4e4 | 864 | if (style != first->style) |
865 | { | |
866 | return (first->style == COMMUNITY_LIST_STANDARD | |
867 | ? COMMUNITY_LIST_ERR_STANDARD_CONFLICT | |
868 | : COMMUNITY_LIST_ERR_EXPANDED_CONFLICT); | |
869 | } | |
718e3744 | 870 | } |
871 | ||
fee6e4e4 | 872 | if (str) |
718e3744 | 873 | { |
fee6e4e4 | 874 | if (style == COMMUNITY_LIST_STANDARD) |
875 | com = community_str2com (str); | |
718e3744 | 876 | else |
fee6e4e4 | 877 | regex = bgp_regcomp (str); |
8708b74f | 878 | |
fee6e4e4 | 879 | if (! com && ! regex) |
880 | return COMMUNITY_LIST_ERR_MALFORMED_VAL; | |
718e3744 | 881 | } |
882 | ||
fee6e4e4 | 883 | entry = community_entry_new (); |
884 | entry->direct = direct; | |
885 | entry->style = style; | |
886 | entry->any = (str ? 0 : 1); | |
887 | entry->u.com = com; | |
888 | entry->reg = regex; | |
889 | entry->config = (regex ? XSTRDUP (MTYPE_COMMUNITY_LIST_CONFIG, str) : NULL); | |
890 | ||
718e3744 | 891 | /* Do not put duplicated community entry. */ |
892 | if (community_list_dup_check (list, entry)) | |
893 | community_entry_free (entry); | |
894 | else | |
518f0eb1 DS |
895 | { |
896 | community_list_entry_add (list, entry); | |
897 | route_map_notify_dependencies(name, RMAP_EVENT_CLIST_ADDED); | |
898 | } | |
718e3744 | 899 | |
900 | return 0; | |
901 | } | |
902 | ||
813d4307 | 903 | /* Unset community-list */ |
718e3744 | 904 | int |
905 | community_list_unset (struct community_list_handler *ch, | |
fd79ac91 | 906 | const char *name, const char *str, |
813d4307 | 907 | int direct, int style, int delete_all) |
718e3744 | 908 | { |
fee6e4e4 | 909 | struct community_entry *entry = NULL; |
718e3744 | 910 | struct community_list *list; |
fee6e4e4 | 911 | struct community *com = NULL; |
718e3744 | 912 | |
913 | /* Lookup community list. */ | |
fee6e4e4 | 914 | list = community_list_lookup (ch, name, COMMUNITY_LIST_MASTER); |
718e3744 | 915 | if (list == NULL) |
916 | return COMMUNITY_LIST_ERR_CANT_FIND_LIST; | |
917 | ||
918 | /* Delete all of entry belongs to this community-list. */ | |
813d4307 | 919 | if (delete_all) |
718e3744 | 920 | { |
921 | community_list_delete (list); | |
518f0eb1 | 922 | route_map_notify_dependencies(name, RMAP_EVENT_CLIST_DELETED); |
718e3744 | 923 | return 0; |
924 | } | |
925 | ||
fee6e4e4 | 926 | if (style == COMMUNITY_LIST_STANDARD) |
813d4307 DW |
927 | { |
928 | if (str) | |
929 | com = community_str2com (str); | |
930 | } | |
718e3744 | 931 | |
fee6e4e4 | 932 | if (com) |
813d4307 DW |
933 | { |
934 | entry = community_list_entry_lookup (list, com, direct); | |
935 | community_free (com); | |
936 | } | |
fee6e4e4 | 937 | else |
938 | entry = community_list_entry_lookup (list, str, direct); | |
939 | ||
8708b74f | 940 | if (!entry) |
718e3744 | 941 | return COMMUNITY_LIST_ERR_CANT_FIND_LIST; |
942 | ||
943 | community_list_entry_delete (list, entry, style); | |
518f0eb1 | 944 | route_map_notify_dependencies(name, RMAP_EVENT_CLIST_DELETED); |
718e3744 | 945 | |
946 | return 0; | |
947 | } | |
948 | ||
57d187bc JS |
949 | /* Delete all permitted large communities in the list from com. */ |
950 | struct lcommunity * | |
951 | lcommunity_list_match_delete (struct lcommunity *lcom, | |
2acb4ac2 | 952 | struct community_list *list) |
57d187bc JS |
953 | { |
954 | struct community_entry *entry; | |
955 | u_int32_t com_index_to_delete[lcom->size]; | |
956 | u_char *ptr; | |
957 | int delete_index = 0; | |
958 | int i; | |
959 | ||
960 | /* Loop over each lcommunity value and evaluate each against the | |
961 | * community-list. If we need to delete a community value add its index to | |
962 | * com_index_to_delete. | |
963 | */ | |
964 | ptr = lcom->val; | |
965 | for (i = 0; i < lcom->size; i++) | |
966 | { | |
967 | ptr += (i * LCOMMUNITY_SIZE); | |
968 | for (entry = list->head; entry; entry = entry->next) | |
969 | { | |
970 | if (entry->any) | |
971 | { | |
972 | if (entry->direct == COMMUNITY_PERMIT) | |
973 | { | |
974 | com_index_to_delete[delete_index] = i; | |
975 | delete_index++; | |
976 | } | |
977 | break; | |
978 | } | |
979 | ||
980 | else if ((entry->style == LARGE_COMMUNITY_LIST_STANDARD) | |
981 | && lcommunity_include (entry->u.lcom, ptr) ) | |
982 | { | |
983 | if (entry->direct == COMMUNITY_PERMIT) | |
984 | { | |
985 | com_index_to_delete[delete_index] = i; | |
986 | delete_index++; | |
987 | } | |
988 | break; | |
989 | } | |
990 | ||
991 | else if ((entry->style == LARGE_COMMUNITY_LIST_STANDARD) | |
992 | && lcommunity_regexp_include (entry->reg, lcom, i)) | |
993 | { | |
994 | if (entry->direct == COMMUNITY_PERMIT) | |
995 | { | |
996 | com_index_to_delete[delete_index] = i; | |
997 | delete_index++; | |
998 | } | |
999 | break; | |
1000 | } | |
1001 | } | |
1002 | } | |
1003 | ||
1004 | /* Delete all of the communities we flagged for deletion */ | |
1005 | ptr = lcom->val; | |
1006 | for (i = delete_index-1; i >= 0; i--) | |
1007 | { | |
1008 | ptr += (com_index_to_delete[i] * LCOMMUNITY_SIZE); | |
1009 | lcommunity_del_val (lcom, ptr); | |
1010 | } | |
1011 | ||
1012 | return lcom; | |
1013 | } | |
1014 | ||
1015 | /* Set lcommunity-list. */ | |
1016 | int | |
1017 | lcommunity_list_set (struct community_list_handler *ch, | |
2acb4ac2 | 1018 | const char *name, const char *str, int direct, int style) |
57d187bc JS |
1019 | { |
1020 | struct community_entry *entry = NULL; | |
1021 | struct community_list *list; | |
1022 | struct lcommunity *lcom = NULL; | |
1023 | regex_t *regex = NULL; | |
1024 | ||
1025 | /* Get community list. */ | |
1026 | list = community_list_get (ch, name, LARGE_COMMUNITY_LIST_MASTER); | |
1027 | ||
1028 | /* When community-list already has entry, new entry should have same | |
1029 | style. If you want to have mixed style community-list, you can | |
1030 | comment out this check. */ | |
1031 | if (!community_list_empty_p (list)) | |
1032 | { | |
1033 | struct community_entry *first; | |
1034 | ||
1035 | first = list->head; | |
1036 | ||
1037 | if (style != first->style) | |
2acb4ac2 DL |
1038 | { |
1039 | return (first->style == COMMUNITY_LIST_STANDARD | |
1040 | ? COMMUNITY_LIST_ERR_STANDARD_CONFLICT | |
1041 | : COMMUNITY_LIST_ERR_EXPANDED_CONFLICT); | |
1042 | } | |
57d187bc JS |
1043 | } |
1044 | ||
1045 | if (str) | |
1046 | { | |
1047 | if (style == LARGE_COMMUNITY_LIST_STANDARD) | |
2acb4ac2 | 1048 | lcom = lcommunity_str2com (str); |
57d187bc | 1049 | else |
2acb4ac2 | 1050 | regex = bgp_regcomp (str); |
57d187bc JS |
1051 | |
1052 | if (! lcom && ! regex) | |
2acb4ac2 | 1053 | return COMMUNITY_LIST_ERR_MALFORMED_VAL; |
57d187bc JS |
1054 | } |
1055 | ||
1056 | entry = community_entry_new (); | |
1057 | entry->direct = direct; | |
1058 | entry->style = style; | |
1059 | entry->any = (str ? 0 : 1); | |
1060 | entry->u.lcom = lcom; | |
1061 | entry->reg = regex; | |
1062 | if (lcom) | |
1063 | entry->config = lcommunity_lcom2str (lcom, LCOMMUNITY_FORMAT_COMMUNITY_LIST); | |
1064 | else if (regex) | |
1065 | entry->config = XSTRDUP (MTYPE_COMMUNITY_LIST_CONFIG, str); | |
1066 | else | |
1067 | entry->config = NULL; | |
1068 | ||
1069 | /* Do not put duplicated community entry. */ | |
1070 | if (community_list_dup_check (list, entry)) | |
1071 | community_entry_free (entry); | |
1072 | else | |
1073 | community_list_entry_add (list, entry); | |
1074 | ||
1075 | return 0; | |
1076 | } | |
1077 | ||
1078 | /* Unset community-list. When str is NULL, delete all of | |
1079 | community-list entry belongs to the specified name. */ | |
1080 | int | |
1081 | lcommunity_list_unset (struct community_list_handler *ch, | |
2acb4ac2 DL |
1082 | const char *name, const char *str, |
1083 | int direct, int style) | |
57d187bc JS |
1084 | { |
1085 | struct community_entry *entry = NULL; | |
1086 | struct community_list *list; | |
1087 | struct lcommunity *lcom = NULL; | |
1088 | regex_t *regex = NULL; | |
1089 | ||
1090 | /* Lookup community list. */ | |
1091 | list = community_list_lookup (ch, name, LARGE_COMMUNITY_LIST_MASTER); | |
1092 | if (list == NULL) | |
1093 | return COMMUNITY_LIST_ERR_CANT_FIND_LIST; | |
1094 | ||
1095 | /* Delete all of entry belongs to this community-list. */ | |
1096 | if (!str) | |
1097 | { | |
1098 | community_list_delete (list); | |
1099 | return 0; | |
1100 | } | |
1101 | ||
1102 | if (style == LARGE_COMMUNITY_LIST_STANDARD) | |
1103 | lcom = lcommunity_str2com (str); | |
1104 | else | |
1105 | regex = bgp_regcomp (str); | |
1106 | ||
1107 | if (! lcom && ! regex) | |
1108 | return COMMUNITY_LIST_ERR_MALFORMED_VAL; | |
1109 | ||
1110 | if (lcom) | |
1111 | entry = community_list_entry_lookup (list, lcom, direct); | |
1112 | else | |
1113 | entry = community_list_entry_lookup (list, str, direct); | |
1114 | ||
1115 | if (lcom) | |
1116 | lcommunity_free (&lcom); | |
1117 | if (regex) | |
1118 | bgp_regex_free (regex); | |
1119 | ||
1120 | if (!entry) | |
1121 | return COMMUNITY_LIST_ERR_CANT_FIND_LIST; | |
1122 | ||
1123 | community_list_entry_delete (list, entry, style); | |
1124 | ||
1125 | return 0; | |
1126 | } | |
1127 | ||
718e3744 | 1128 | /* Set extcommunity-list. */ |
1129 | int | |
1130 | extcommunity_list_set (struct community_list_handler *ch, | |
fd79ac91 | 1131 | const char *name, const char *str, |
1132 | int direct, int style) | |
718e3744 | 1133 | { |
fee6e4e4 | 1134 | struct community_entry *entry = NULL; |
718e3744 | 1135 | struct community_list *list; |
fee6e4e4 | 1136 | struct ecommunity *ecom = NULL; |
1137 | regex_t *regex = NULL; | |
718e3744 | 1138 | |
1139 | entry = NULL; | |
1140 | ||
1141 | /* Get community list. */ | |
fee6e4e4 | 1142 | list = community_list_get (ch, name, EXTCOMMUNITY_LIST_MASTER); |
718e3744 | 1143 | |
1144 | /* When community-list already has entry, new entry should have same | |
1145 | style. If you want to have mixed style community-list, you can | |
1146 | comment out this check. */ | |
8708b74f | 1147 | if (!community_list_empty_p (list)) |
718e3744 | 1148 | { |
1149 | struct community_entry *first; | |
1150 | ||
1151 | first = list->head; | |
1152 | ||
fee6e4e4 | 1153 | if (style != first->style) |
1154 | { | |
1155 | return (first->style == EXTCOMMUNITY_LIST_STANDARD | |
1156 | ? COMMUNITY_LIST_ERR_STANDARD_CONFLICT | |
1157 | : COMMUNITY_LIST_ERR_EXPANDED_CONFLICT); | |
1158 | } | |
718e3744 | 1159 | } |
1160 | ||
46c3ce83 DS |
1161 | if (style == EXTCOMMUNITY_LIST_STANDARD) |
1162 | ecom = ecommunity_str2com (str, 0, 1); | |
1163 | else | |
1164 | regex = bgp_regcomp (str); | |
8708b74f | 1165 | |
46c3ce83 DS |
1166 | if (! ecom && ! regex) |
1167 | return COMMUNITY_LIST_ERR_MALFORMED_VAL; | |
718e3744 | 1168 | |
fee6e4e4 | 1169 | if (ecom) |
e82202b7 | 1170 | ecom->str = ecommunity_ecom2str (ecom, ECOMMUNITY_FORMAT_DISPLAY, 0); |
fee6e4e4 | 1171 | |
1172 | entry = community_entry_new (); | |
1173 | entry->direct = direct; | |
1174 | entry->style = style; | |
1175 | entry->any = (str ? 0 : 1); | |
1176 | if (ecom) | |
e82202b7 | 1177 | entry->config = ecommunity_ecom2str (ecom, ECOMMUNITY_FORMAT_COMMUNITY_LIST, 0); |
fee6e4e4 | 1178 | else if (regex) |
1179 | entry->config = XSTRDUP (MTYPE_COMMUNITY_LIST_CONFIG, str); | |
46c3ce83 | 1180 | |
fee6e4e4 | 1181 | entry->u.ecom = ecom; |
1182 | entry->reg = regex; | |
1183 | ||
718e3744 | 1184 | /* Do not put duplicated community entry. */ |
1185 | if (community_list_dup_check (list, entry)) | |
1186 | community_entry_free (entry); | |
1187 | else | |
518f0eb1 DS |
1188 | { |
1189 | community_list_entry_add (list, entry); | |
1190 | route_map_notify_dependencies(name, RMAP_EVENT_ECLIST_ADDED); | |
1191 | } | |
718e3744 | 1192 | |
1193 | return 0; | |
1194 | } | |
1195 | ||
1196 | /* Unset extcommunity-list. When str is NULL, delete all of | |
1197 | extcommunity-list entry belongs to the specified name. */ | |
1198 | int | |
1199 | extcommunity_list_unset (struct community_list_handler *ch, | |
fd79ac91 | 1200 | const char *name, const char *str, |
813d4307 | 1201 | int direct, int style, int delete_all) |
718e3744 | 1202 | { |
fee6e4e4 | 1203 | struct community_entry *entry = NULL; |
718e3744 | 1204 | struct community_list *list; |
1205 | struct ecommunity *ecom = NULL; | |
718e3744 | 1206 | |
1207 | /* Lookup extcommunity list. */ | |
fee6e4e4 | 1208 | list = community_list_lookup (ch, name, EXTCOMMUNITY_LIST_MASTER); |
718e3744 | 1209 | if (list == NULL) |
1210 | return COMMUNITY_LIST_ERR_CANT_FIND_LIST; | |
1211 | ||
1212 | /* Delete all of entry belongs to this extcommunity-list. */ | |
813d4307 | 1213 | if (delete_all) |
718e3744 | 1214 | { |
1215 | community_list_delete (list); | |
518f0eb1 | 1216 | route_map_notify_dependencies(name, RMAP_EVENT_ECLIST_DELETED); |
718e3744 | 1217 | return 0; |
1218 | } | |
1219 | ||
fee6e4e4 | 1220 | if (style == EXTCOMMUNITY_LIST_STANDARD) |
813d4307 DW |
1221 | { |
1222 | if (str) | |
1223 | ecom = ecommunity_str2com (str, 0, 1); | |
1224 | } | |
718e3744 | 1225 | |
fee6e4e4 | 1226 | if (ecom) |
813d4307 DW |
1227 | { |
1228 | entry = community_list_entry_lookup (list, ecom, direct); | |
1229 | ecommunity_free (&ecom); | |
1230 | } | |
fee6e4e4 | 1231 | else |
1232 | entry = community_list_entry_lookup (list, str, direct); | |
1233 | ||
8708b74f | 1234 | if (!entry) |
718e3744 | 1235 | return COMMUNITY_LIST_ERR_CANT_FIND_LIST; |
1236 | ||
1237 | community_list_entry_delete (list, entry, style); | |
518f0eb1 | 1238 | route_map_notify_dependencies(name, RMAP_EVENT_ECLIST_DELETED); |
718e3744 | 1239 | |
1240 | return 0; | |
1241 | } | |
1242 | ||
1243 | /* Initializa community-list. Return community-list handler. */ | |
1244 | struct community_list_handler * | |
94f2b392 | 1245 | community_list_init (void) |
718e3744 | 1246 | { |
1247 | struct community_list_handler *ch; | |
1248 | ch = XCALLOC (MTYPE_COMMUNITY_LIST_HANDLER, | |
8708b74f | 1249 | sizeof (struct community_list_handler)); |
718e3744 | 1250 | return ch; |
1251 | } | |
1252 | ||
1253 | /* Terminate community-list. */ | |
228da428 | 1254 | void |
718e3744 | 1255 | community_list_terminate (struct community_list_handler *ch) |
1256 | { | |
1257 | struct community_list_master *cm; | |
1258 | struct community_list *list; | |
1259 | ||
1260 | cm = &ch->community_list; | |
1261 | while ((list = cm->num.head) != NULL) | |
1262 | community_list_delete (list); | |
1263 | while ((list = cm->str.head) != NULL) | |
1264 | community_list_delete (list); | |
1265 | ||
57d187bc JS |
1266 | cm = &ch->lcommunity_list; |
1267 | while ((list = cm->num.head) != NULL) | |
1268 | community_list_delete (list); | |
1269 | while ((list = cm->str.head) != NULL) | |
1270 | community_list_delete (list); | |
1271 | ||
718e3744 | 1272 | cm = &ch->extcommunity_list; |
1273 | while ((list = cm->num.head) != NULL) | |
1274 | community_list_delete (list); | |
1275 | while ((list = cm->str.head) != NULL) | |
1276 | community_list_delete (list); | |
1277 | ||
1278 | XFREE (MTYPE_COMMUNITY_LIST_HANDLER, ch); | |
1279 | } |