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718e3744 | 1 | /* BGP community-list and extcommunity-list. |
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 | |
17 | along with GNU Zebra; see the file COPYING. If not, write to the Free | |
18 | Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | 02111-1307, USA. */ | |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | #include "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: |
46 | return &ch->community_list; | |
fee6e4e4 | 47 | case EXTCOMMUNITY_LIST_MASTER: |
48 | return &ch->extcommunity_list; | |
57d187bc JS |
49 | case LARGE_COMMUNITY_LIST_MASTER: |
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 | |
415 | * * a single community. */ | |
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 DS |
421 | |
422 | /* When there is no communities attribute it is treated as empty | |
423 | * string. */ | |
424 | if (com == NULL || com->size == 0) | |
b84ee83b | 425 | str = XSTRDUP(MTYPE_COMMUNITY_STR, ""); |
5cbea288 DS |
426 | else |
427 | str = community_str_get (com, i); | |
428 | ||
429 | /* Regular expression match. */ | |
b84ee83b CF |
430 | rv = regexec (reg, str, 0, NULL, 0); |
431 | ||
432 | XFREE(MTYPE_COMMUNITY_STR, str); | |
433 | ||
434 | if (rv == 0) | |
5cbea288 DS |
435 | return 1; |
436 | ||
437 | /* No match. */ | |
438 | return 0; | |
439 | } | |
440 | ||
718e3744 | 441 | /* Internal function to perform regular expression match for community |
442 | attribute. */ | |
443 | static int | |
8708b74f | 444 | community_regexp_match (struct community *com, regex_t * reg) |
718e3744 | 445 | { |
fd79ac91 | 446 | const char *str; |
718e3744 | 447 | |
448 | /* When there is no communities attribute it is treated as empty | |
449 | string. */ | |
450 | if (com == NULL || com->size == 0) | |
451 | str = ""; | |
452 | else | |
453 | str = community_str (com); | |
454 | ||
455 | /* Regular expression match. */ | |
456 | if (regexec (reg, str, 0, NULL, 0) == 0) | |
457 | return 1; | |
458 | ||
459 | /* No match. */ | |
460 | return 0; | |
461 | } | |
462 | ||
57d187bc JS |
463 | static char * |
464 | lcommunity_str_get (struct lcommunity *lcom, int i) | |
465 | { | |
466 | struct lcommunity_val lcomval; | |
467 | u_int32_t globaladmin; | |
468 | u_int32_t localdata1; | |
469 | u_int32_t localdata2; | |
470 | char *str; | |
471 | u_char *ptr; | |
472 | char *pnt; | |
473 | ||
474 | ptr = lcom->val; | |
475 | ptr += (i * LCOMMUNITY_SIZE); | |
476 | ||
477 | memcpy (&lcomval, ptr, LCOMMUNITY_SIZE); | |
478 | ||
479 | /* Allocate memory. 48 bytes taken off bgp_lcommunity.c */ | |
480 | str = pnt = XMALLOC (MTYPE_LCOMMUNITY_STR, 48); | |
481 | ||
482 | ptr = (u_char *)lcomval.val; | |
483 | globaladmin = (*ptr++ << 24); | |
484 | globaladmin |= (*ptr++ << 16); | |
485 | globaladmin |= (*ptr++ << 8); | |
486 | globaladmin |= (*ptr++); | |
487 | ||
488 | localdata1 = (*ptr++ << 24); | |
489 | localdata1 |= (*ptr++ << 16); | |
490 | localdata1 |= (*ptr++ << 8); | |
491 | localdata1 |= (*ptr++); | |
492 | ||
493 | localdata2 = (*ptr++ << 24); | |
494 | localdata2 |= (*ptr++ << 16); | |
495 | localdata2 |= (*ptr++ << 8); | |
496 | localdata2 |= (*ptr++); | |
497 | ||
498 | sprintf (pnt, "%u:%u:%u", globaladmin, localdata1, localdata2); | |
499 | pnt += strlen (pnt); | |
500 | *pnt = '\0'; | |
501 | ||
502 | return str; | |
503 | } | |
504 | ||
505 | /* Internal function to perform regular expression match for | |
506 | * * a single community. */ | |
507 | static int | |
508 | lcommunity_regexp_include (regex_t * reg, struct lcommunity *lcom, int i) | |
509 | { | |
510 | const char *str; | |
511 | ||
512 | /* When there is no communities attribute it is treated as empty | |
513 | * string. */ | |
514 | if (lcom == NULL || lcom->size == 0) | |
515 | str = ""; | |
516 | else | |
517 | str = lcommunity_str_get (lcom, i); | |
518 | ||
519 | /* Regular expression match. */ | |
520 | if (regexec (reg, str, 0, NULL, 0) == 0) | |
521 | return 1; | |
522 | ||
523 | /* No match. */ | |
524 | return 0; | |
525 | } | |
526 | ||
527 | static int | |
528 | lcommunity_regexp_match (struct lcommunity *com, regex_t * reg) | |
529 | { | |
530 | const char *str; | |
531 | ||
532 | /* When there is no communities attribute it is treated as empty | |
533 | string. */ | |
534 | if (com == NULL || com->size == 0) | |
535 | str = ""; | |
536 | else | |
537 | str = lcommunity_str (com); | |
538 | ||
539 | /* Regular expression match. */ | |
540 | if (regexec (reg, str, 0, NULL, 0) == 0) | |
541 | return 1; | |
542 | ||
543 | /* No match. */ | |
544 | return 0; | |
545 | } | |
546 | ||
547 | ||
8708b74f | 548 | static int |
549 | ecommunity_regexp_match (struct ecommunity *ecom, regex_t * reg) | |
550 | { | |
fd79ac91 | 551 | const char *str; |
8708b74f | 552 | |
553 | /* When there is no communities attribute it is treated as empty | |
554 | string. */ | |
555 | if (ecom == NULL || ecom->size == 0) | |
556 | str = ""; | |
557 | else | |
558 | str = ecommunity_str (ecom); | |
559 | ||
560 | /* Regular expression match. */ | |
561 | if (regexec (reg, str, 0, NULL, 0) == 0) | |
562 | return 1; | |
563 | ||
564 | /* No match. */ | |
565 | return 0; | |
566 | } | |
567 | ||
ffd0c037 | 568 | #if 0 |
718e3744 | 569 | /* Delete community attribute using regular expression match. Return |
570 | modified communites attribute. */ | |
571 | static struct community * | |
8708b74f | 572 | community_regexp_delete (struct community *com, regex_t * reg) |
718e3744 | 573 | { |
574 | int i; | |
575 | u_int32_t comval; | |
576 | /* Maximum is "65535:65535" + '\0'. */ | |
577 | char c[12]; | |
fd79ac91 | 578 | const char *str; |
718e3744 | 579 | |
8708b74f | 580 | if (!com) |
718e3744 | 581 | return NULL; |
582 | ||
583 | i = 0; | |
584 | while (i < com->size) | |
585 | { | |
586 | memcpy (&comval, com_nthval (com, i), sizeof (u_int32_t)); | |
587 | comval = ntohl (comval); | |
588 | ||
589 | switch (comval) | |
8708b74f | 590 | { |
591 | case COMMUNITY_INTERNET: | |
592 | str = "internet"; | |
593 | break; | |
594 | case COMMUNITY_NO_EXPORT: | |
595 | str = "no-export"; | |
596 | break; | |
597 | case COMMUNITY_NO_ADVERTISE: | |
598 | str = "no-advertise"; | |
599 | break; | |
600 | case COMMUNITY_LOCAL_AS: | |
601 | str = "local-AS"; | |
602 | break; | |
603 | default: | |
604 | sprintf (c, "%d:%d", (comval >> 16) & 0xFFFF, comval & 0xFFFF); | |
605 | str = c; | |
606 | break; | |
607 | } | |
718e3744 | 608 | |
609 | if (regexec (reg, str, 0, NULL, 0) == 0) | |
8708b74f | 610 | community_del_val (com, com_nthval (com, i)); |
718e3744 | 611 | else |
8708b74f | 612 | i++; |
718e3744 | 613 | } |
614 | return com; | |
615 | } | |
ffd0c037 | 616 | #endif |
718e3744 | 617 | |
618 | /* When given community attribute matches to the community-list return | |
619 | 1 else return 0. */ | |
620 | int | |
621 | community_list_match (struct community *com, struct community_list *list) | |
622 | { | |
623 | struct community_entry *entry; | |
624 | ||
625 | for (entry = list->head; entry; entry = entry->next) | |
626 | { | |
627 | if (entry->any) | |
8708b74f | 628 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; |
718e3744 | 629 | |
630 | if (entry->style == COMMUNITY_LIST_STANDARD) | |
8708b74f | 631 | { |
632 | if (community_include (entry->u.com, COMMUNITY_INTERNET)) | |
633 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
718e3744 | 634 | |
8708b74f | 635 | if (community_match (com, entry->u.com)) |
636 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
637 | } | |
718e3744 | 638 | else if (entry->style == COMMUNITY_LIST_EXPANDED) |
8708b74f | 639 | { |
640 | if (community_regexp_match (com, entry->reg)) | |
641 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
642 | } | |
643 | } | |
644 | return 0; | |
645 | } | |
646 | ||
57d187bc JS |
647 | int |
648 | lcommunity_list_match (struct lcommunity *lcom, struct community_list *list) | |
649 | { | |
650 | struct community_entry *entry; | |
651 | ||
652 | for (entry = list->head; entry; entry = entry->next) | |
653 | { | |
654 | if (entry->any) | |
655 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
656 | ||
657 | if (entry->style == LARGE_COMMUNITY_LIST_STANDARD) | |
658 | { | |
659 | if (lcommunity_match (lcom, entry->u.lcom)) | |
660 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
661 | } | |
662 | else if (entry->style == LARGE_COMMUNITY_LIST_EXPANDED) | |
663 | { | |
664 | if (lcommunity_regexp_match (lcom, entry->reg)) | |
665 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
666 | } | |
667 | } | |
668 | return 0; | |
669 | } | |
670 | ||
8708b74f | 671 | int |
672 | ecommunity_list_match (struct ecommunity *ecom, struct community_list *list) | |
673 | { | |
674 | struct community_entry *entry; | |
675 | ||
676 | for (entry = list->head; entry; entry = entry->next) | |
677 | { | |
678 | if (entry->any) | |
679 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
680 | ||
681 | if (entry->style == EXTCOMMUNITY_LIST_STANDARD) | |
682 | { | |
683 | if (ecommunity_match (ecom, entry->u.ecom)) | |
684 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
685 | } | |
686 | else if (entry->style == EXTCOMMUNITY_LIST_EXPANDED) | |
687 | { | |
688 | if (ecommunity_regexp_match (ecom, entry->reg)) | |
689 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
690 | } | |
718e3744 | 691 | } |
692 | return 0; | |
693 | } | |
694 | ||
695 | /* Perform exact matching. In case of expanded community-list, do | |
696 | same thing as community_list_match(). */ | |
697 | int | |
8708b74f | 698 | community_list_exact_match (struct community *com, |
699 | struct community_list *list) | |
718e3744 | 700 | { |
701 | struct community_entry *entry; | |
702 | ||
703 | for (entry = list->head; entry; entry = entry->next) | |
704 | { | |
705 | if (entry->any) | |
8708b74f | 706 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; |
718e3744 | 707 | |
708 | if (entry->style == COMMUNITY_LIST_STANDARD) | |
8708b74f | 709 | { |
710 | if (community_include (entry->u.com, COMMUNITY_INTERNET)) | |
711 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
718e3744 | 712 | |
8708b74f | 713 | if (community_cmp (com, entry->u.com)) |
714 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
715 | } | |
718e3744 | 716 | else if (entry->style == COMMUNITY_LIST_EXPANDED) |
8708b74f | 717 | { |
718 | if (community_regexp_match (com, entry->reg)) | |
719 | return entry->direct == COMMUNITY_PERMIT ? 1 : 0; | |
720 | } | |
718e3744 | 721 | } |
722 | return 0; | |
723 | } | |
724 | ||
8708b74f | 725 | /* Delete all permitted communities in the list from com. */ |
718e3744 | 726 | struct community * |
727 | community_list_match_delete (struct community *com, | |
8708b74f | 728 | struct community_list *list) |
718e3744 | 729 | { |
730 | struct community_entry *entry; | |
5cbea288 DS |
731 | u_int32_t val; |
732 | u_int32_t com_index_to_delete[com->size]; | |
733 | int delete_index = 0; | |
734 | int i; | |
718e3744 | 735 | |
5cbea288 DS |
736 | /* Loop over each community value and evaluate each against the |
737 | * community-list. If we need to delete a community value add its index to | |
738 | * com_index_to_delete. | |
739 | */ | |
740 | for (i = 0; i < com->size; i++) | |
718e3744 | 741 | { |
5cbea288 DS |
742 | val = community_val_get (com, i); |
743 | ||
744 | for (entry = list->head; entry; entry = entry->next) | |
8708b74f | 745 | { |
5cbea288 | 746 | if (entry->any) |
847375b9 | 747 | { |
5cbea288 DS |
748 | if (entry->direct == COMMUNITY_PERMIT) |
749 | { | |
750 | com_index_to_delete[delete_index] = i; | |
751 | delete_index++; | |
752 | } | |
753 | break; | |
847375b9 | 754 | } |
718e3744 | 755 | |
5cbea288 DS |
756 | else if ((entry->style == COMMUNITY_LIST_STANDARD) |
757 | && (community_include (entry->u.com, COMMUNITY_INTERNET) | |
758 | || community_include (entry->u.com, val) )) | |
759 | { | |
847375b9 | 760 | if (entry->direct == COMMUNITY_PERMIT) |
5cbea288 DS |
761 | { |
762 | com_index_to_delete[delete_index] = i; | |
763 | delete_index++; | |
764 | } | |
765 | break; | |
766 | } | |
767 | ||
768 | else if ((entry->style == COMMUNITY_LIST_EXPANDED) | |
769 | && community_regexp_include (entry->reg, com, i)) | |
770 | { | |
771 | if (entry->direct == COMMUNITY_PERMIT) | |
772 | { | |
773 | com_index_to_delete[delete_index] = i; | |
774 | delete_index++; | |
775 | } | |
776 | break; | |
777 | } | |
778 | } | |
779 | } | |
780 | ||
781 | /* Delete all of the communities we flagged for deletion */ | |
782 | for (i = delete_index-1; i >= 0; i--) | |
783 | { | |
784 | val = community_val_get (com, com_index_to_delete[i]); | |
785 | community_del_val (com, &val); | |
718e3744 | 786 | } |
5cbea288 | 787 | |
718e3744 | 788 | return com; |
789 | } | |
790 | ||
791 | /* To avoid duplicated entry in the community-list, this function | |
792 | compares specified entry to existing entry. */ | |
94f2b392 | 793 | static int |
8708b74f | 794 | community_list_dup_check (struct community_list *list, |
795 | struct community_entry *new) | |
718e3744 | 796 | { |
797 | struct community_entry *entry; | |
8708b74f | 798 | |
718e3744 | 799 | for (entry = list->head; entry; entry = entry->next) |
800 | { | |
801 | if (entry->style != new->style) | |
8708b74f | 802 | continue; |
718e3744 | 803 | |
804 | if (entry->direct != new->direct) | |
8708b74f | 805 | continue; |
718e3744 | 806 | |
807 | if (entry->any != new->any) | |
8708b74f | 808 | continue; |
718e3744 | 809 | |
810 | if (entry->any) | |
8708b74f | 811 | return 1; |
718e3744 | 812 | |
813 | switch (entry->style) | |
8708b74f | 814 | { |
815 | case COMMUNITY_LIST_STANDARD: | |
816 | if (community_cmp (entry->u.com, new->u.com)) | |
817 | return 1; | |
818 | break; | |
57d187bc JS |
819 | case LARGE_COMMUNITY_LIST_STANDARD: |
820 | if (lcommunity_cmp (entry->u.lcom, new->u.lcom)) | |
821 | return 1; | |
822 | break; | |
8708b74f | 823 | case EXTCOMMUNITY_LIST_STANDARD: |
824 | if (ecommunity_cmp (entry->u.ecom, new->u.ecom)) | |
825 | return 1; | |
826 | break; | |
827 | case COMMUNITY_LIST_EXPANDED: | |
828 | case EXTCOMMUNITY_LIST_EXPANDED: | |
57d187bc | 829 | case LARGE_COMMUNITY_LIST_EXPANDED: |
8708b74f | 830 | if (strcmp (entry->config, new->config) == 0) |
831 | return 1; | |
832 | break; | |
833 | default: | |
834 | break; | |
835 | } | |
718e3744 | 836 | } |
837 | return 0; | |
838 | } | |
6b0655a2 | 839 | |
718e3744 | 840 | /* Set community-list. */ |
841 | int | |
842 | community_list_set (struct community_list_handler *ch, | |
fd79ac91 | 843 | const char *name, const char *str, int direct, int style) |
718e3744 | 844 | { |
fee6e4e4 | 845 | struct community_entry *entry = NULL; |
718e3744 | 846 | struct community_list *list; |
fee6e4e4 | 847 | struct community *com = NULL; |
848 | regex_t *regex = NULL; | |
718e3744 | 849 | |
850 | /* Get community list. */ | |
fee6e4e4 | 851 | list = community_list_get (ch, name, COMMUNITY_LIST_MASTER); |
718e3744 | 852 | |
853 | /* When community-list already has entry, new entry should have same | |
854 | style. If you want to have mixed style community-list, you can | |
855 | comment out this check. */ | |
8708b74f | 856 | if (!community_list_empty_p (list)) |
718e3744 | 857 | { |
858 | struct community_entry *first; | |
859 | ||
860 | first = list->head; | |
861 | ||
fee6e4e4 | 862 | if (style != first->style) |
863 | { | |
864 | return (first->style == COMMUNITY_LIST_STANDARD | |
865 | ? COMMUNITY_LIST_ERR_STANDARD_CONFLICT | |
866 | : COMMUNITY_LIST_ERR_EXPANDED_CONFLICT); | |
867 | } | |
718e3744 | 868 | } |
869 | ||
fee6e4e4 | 870 | if (str) |
718e3744 | 871 | { |
fee6e4e4 | 872 | if (style == COMMUNITY_LIST_STANDARD) |
873 | com = community_str2com (str); | |
718e3744 | 874 | else |
fee6e4e4 | 875 | regex = bgp_regcomp (str); |
8708b74f | 876 | |
fee6e4e4 | 877 | if (! com && ! regex) |
878 | return COMMUNITY_LIST_ERR_MALFORMED_VAL; | |
718e3744 | 879 | } |
880 | ||
fee6e4e4 | 881 | entry = community_entry_new (); |
882 | entry->direct = direct; | |
883 | entry->style = style; | |
884 | entry->any = (str ? 0 : 1); | |
885 | entry->u.com = com; | |
886 | entry->reg = regex; | |
887 | entry->config = (regex ? XSTRDUP (MTYPE_COMMUNITY_LIST_CONFIG, str) : NULL); | |
888 | ||
718e3744 | 889 | /* Do not put duplicated community entry. */ |
890 | if (community_list_dup_check (list, entry)) | |
891 | community_entry_free (entry); | |
892 | else | |
518f0eb1 DS |
893 | { |
894 | community_list_entry_add (list, entry); | |
895 | route_map_notify_dependencies(name, RMAP_EVENT_CLIST_ADDED); | |
896 | } | |
718e3744 | 897 | |
898 | return 0; | |
899 | } | |
900 | ||
813d4307 | 901 | /* Unset community-list */ |
718e3744 | 902 | int |
903 | community_list_unset (struct community_list_handler *ch, | |
fd79ac91 | 904 | const char *name, const char *str, |
813d4307 | 905 | int direct, int style, int delete_all) |
718e3744 | 906 | { |
fee6e4e4 | 907 | struct community_entry *entry = NULL; |
718e3744 | 908 | struct community_list *list; |
fee6e4e4 | 909 | struct community *com = NULL; |
718e3744 | 910 | |
911 | /* Lookup community list. */ | |
fee6e4e4 | 912 | list = community_list_lookup (ch, name, COMMUNITY_LIST_MASTER); |
718e3744 | 913 | if (list == NULL) |
914 | return COMMUNITY_LIST_ERR_CANT_FIND_LIST; | |
915 | ||
916 | /* Delete all of entry belongs to this community-list. */ | |
813d4307 | 917 | if (delete_all) |
718e3744 | 918 | { |
919 | community_list_delete (list); | |
518f0eb1 | 920 | route_map_notify_dependencies(name, RMAP_EVENT_CLIST_DELETED); |
718e3744 | 921 | return 0; |
922 | } | |
923 | ||
fee6e4e4 | 924 | if (style == COMMUNITY_LIST_STANDARD) |
813d4307 DW |
925 | { |
926 | if (str) | |
927 | com = community_str2com (str); | |
928 | } | |
718e3744 | 929 | |
fee6e4e4 | 930 | if (com) |
813d4307 DW |
931 | { |
932 | entry = community_list_entry_lookup (list, com, direct); | |
933 | community_free (com); | |
934 | } | |
fee6e4e4 | 935 | else |
936 | entry = community_list_entry_lookup (list, str, direct); | |
937 | ||
8708b74f | 938 | if (!entry) |
718e3744 | 939 | return COMMUNITY_LIST_ERR_CANT_FIND_LIST; |
940 | ||
941 | community_list_entry_delete (list, entry, style); | |
518f0eb1 | 942 | route_map_notify_dependencies(name, RMAP_EVENT_CLIST_DELETED); |
718e3744 | 943 | |
944 | return 0; | |
945 | } | |
946 | ||
57d187bc JS |
947 | /* Delete all permitted large communities in the list from com. */ |
948 | struct lcommunity * | |
949 | lcommunity_list_match_delete (struct lcommunity *lcom, | |
950 | struct community_list *list) | |
951 | { | |
952 | struct community_entry *entry; | |
953 | u_int32_t com_index_to_delete[lcom->size]; | |
954 | u_char *ptr; | |
955 | int delete_index = 0; | |
956 | int i; | |
957 | ||
958 | /* Loop over each lcommunity value and evaluate each against the | |
959 | * community-list. If we need to delete a community value add its index to | |
960 | * com_index_to_delete. | |
961 | */ | |
962 | ptr = lcom->val; | |
963 | for (i = 0; i < lcom->size; i++) | |
964 | { | |
965 | ptr += (i * LCOMMUNITY_SIZE); | |
966 | for (entry = list->head; entry; entry = entry->next) | |
967 | { | |
968 | if (entry->any) | |
969 | { | |
970 | if (entry->direct == COMMUNITY_PERMIT) | |
971 | { | |
972 | com_index_to_delete[delete_index] = i; | |
973 | delete_index++; | |
974 | } | |
975 | break; | |
976 | } | |
977 | ||
978 | else if ((entry->style == LARGE_COMMUNITY_LIST_STANDARD) | |
979 | && lcommunity_include (entry->u.lcom, ptr) ) | |
980 | { | |
981 | if (entry->direct == COMMUNITY_PERMIT) | |
982 | { | |
983 | com_index_to_delete[delete_index] = i; | |
984 | delete_index++; | |
985 | } | |
986 | break; | |
987 | } | |
988 | ||
989 | else if ((entry->style == LARGE_COMMUNITY_LIST_STANDARD) | |
990 | && lcommunity_regexp_include (entry->reg, lcom, i)) | |
991 | { | |
992 | if (entry->direct == COMMUNITY_PERMIT) | |
993 | { | |
994 | com_index_to_delete[delete_index] = i; | |
995 | delete_index++; | |
996 | } | |
997 | break; | |
998 | } | |
999 | } | |
1000 | } | |
1001 | ||
1002 | /* Delete all of the communities we flagged for deletion */ | |
1003 | ptr = lcom->val; | |
1004 | for (i = delete_index-1; i >= 0; i--) | |
1005 | { | |
1006 | ptr += (com_index_to_delete[i] * LCOMMUNITY_SIZE); | |
1007 | lcommunity_del_val (lcom, ptr); | |
1008 | } | |
1009 | ||
1010 | return lcom; | |
1011 | } | |
1012 | ||
1013 | /* Set lcommunity-list. */ | |
1014 | int | |
1015 | lcommunity_list_set (struct community_list_handler *ch, | |
1016 | const char *name, const char *str, int direct, int style) | |
1017 | { | |
1018 | struct community_entry *entry = NULL; | |
1019 | struct community_list *list; | |
1020 | struct lcommunity *lcom = NULL; | |
1021 | regex_t *regex = NULL; | |
1022 | ||
1023 | /* Get community list. */ | |
1024 | list = community_list_get (ch, name, LARGE_COMMUNITY_LIST_MASTER); | |
1025 | ||
1026 | /* When community-list already has entry, new entry should have same | |
1027 | style. If you want to have mixed style community-list, you can | |
1028 | comment out this check. */ | |
1029 | if (!community_list_empty_p (list)) | |
1030 | { | |
1031 | struct community_entry *first; | |
1032 | ||
1033 | first = list->head; | |
1034 | ||
1035 | if (style != first->style) | |
1036 | { | |
1037 | return (first->style == COMMUNITY_LIST_STANDARD | |
1038 | ? COMMUNITY_LIST_ERR_STANDARD_CONFLICT | |
1039 | : COMMUNITY_LIST_ERR_EXPANDED_CONFLICT); | |
1040 | } | |
1041 | } | |
1042 | ||
1043 | if (str) | |
1044 | { | |
1045 | if (style == LARGE_COMMUNITY_LIST_STANDARD) | |
1046 | lcom = lcommunity_str2com (str); | |
1047 | else | |
1048 | regex = bgp_regcomp (str); | |
1049 | ||
1050 | if (! lcom && ! regex) | |
1051 | return COMMUNITY_LIST_ERR_MALFORMED_VAL; | |
1052 | } | |
1053 | ||
1054 | entry = community_entry_new (); | |
1055 | entry->direct = direct; | |
1056 | entry->style = style; | |
1057 | entry->any = (str ? 0 : 1); | |
1058 | entry->u.lcom = lcom; | |
1059 | entry->reg = regex; | |
1060 | if (lcom) | |
1061 | entry->config = lcommunity_lcom2str (lcom, LCOMMUNITY_FORMAT_COMMUNITY_LIST); | |
1062 | else if (regex) | |
1063 | entry->config = XSTRDUP (MTYPE_COMMUNITY_LIST_CONFIG, str); | |
1064 | else | |
1065 | entry->config = NULL; | |
1066 | ||
1067 | /* Do not put duplicated community entry. */ | |
1068 | if (community_list_dup_check (list, entry)) | |
1069 | community_entry_free (entry); | |
1070 | else | |
1071 | community_list_entry_add (list, entry); | |
1072 | ||
1073 | return 0; | |
1074 | } | |
1075 | ||
1076 | /* Unset community-list. When str is NULL, delete all of | |
1077 | community-list entry belongs to the specified name. */ | |
1078 | int | |
1079 | lcommunity_list_unset (struct community_list_handler *ch, | |
1080 | const char *name, const char *str, | |
1081 | int direct, int style) | |
1082 | { | |
1083 | struct community_entry *entry = NULL; | |
1084 | struct community_list *list; | |
1085 | struct lcommunity *lcom = NULL; | |
1086 | regex_t *regex = NULL; | |
1087 | ||
1088 | /* Lookup community list. */ | |
1089 | list = community_list_lookup (ch, name, LARGE_COMMUNITY_LIST_MASTER); | |
1090 | if (list == NULL) | |
1091 | return COMMUNITY_LIST_ERR_CANT_FIND_LIST; | |
1092 | ||
1093 | /* Delete all of entry belongs to this community-list. */ | |
1094 | if (!str) | |
1095 | { | |
1096 | community_list_delete (list); | |
1097 | return 0; | |
1098 | } | |
1099 | ||
1100 | if (style == LARGE_COMMUNITY_LIST_STANDARD) | |
1101 | lcom = lcommunity_str2com (str); | |
1102 | else | |
1103 | regex = bgp_regcomp (str); | |
1104 | ||
1105 | if (! lcom && ! regex) | |
1106 | return COMMUNITY_LIST_ERR_MALFORMED_VAL; | |
1107 | ||
1108 | if (lcom) | |
1109 | entry = community_list_entry_lookup (list, lcom, direct); | |
1110 | else | |
1111 | entry = community_list_entry_lookup (list, str, direct); | |
1112 | ||
1113 | if (lcom) | |
1114 | lcommunity_free (&lcom); | |
1115 | if (regex) | |
1116 | bgp_regex_free (regex); | |
1117 | ||
1118 | if (!entry) | |
1119 | return COMMUNITY_LIST_ERR_CANT_FIND_LIST; | |
1120 | ||
1121 | community_list_entry_delete (list, entry, style); | |
1122 | ||
1123 | return 0; | |
1124 | } | |
1125 | ||
718e3744 | 1126 | /* Set extcommunity-list. */ |
1127 | int | |
1128 | extcommunity_list_set (struct community_list_handler *ch, | |
fd79ac91 | 1129 | const char *name, const char *str, |
1130 | int direct, int style) | |
718e3744 | 1131 | { |
fee6e4e4 | 1132 | struct community_entry *entry = NULL; |
718e3744 | 1133 | struct community_list *list; |
fee6e4e4 | 1134 | struct ecommunity *ecom = NULL; |
1135 | regex_t *regex = NULL; | |
718e3744 | 1136 | |
1137 | entry = NULL; | |
1138 | ||
1139 | /* Get community list. */ | |
fee6e4e4 | 1140 | list = community_list_get (ch, name, EXTCOMMUNITY_LIST_MASTER); |
718e3744 | 1141 | |
1142 | /* When community-list already has entry, new entry should have same | |
1143 | style. If you want to have mixed style community-list, you can | |
1144 | comment out this check. */ | |
8708b74f | 1145 | if (!community_list_empty_p (list)) |
718e3744 | 1146 | { |
1147 | struct community_entry *first; | |
1148 | ||
1149 | first = list->head; | |
1150 | ||
fee6e4e4 | 1151 | if (style != first->style) |
1152 | { | |
1153 | return (first->style == EXTCOMMUNITY_LIST_STANDARD | |
1154 | ? COMMUNITY_LIST_ERR_STANDARD_CONFLICT | |
1155 | : COMMUNITY_LIST_ERR_EXPANDED_CONFLICT); | |
1156 | } | |
718e3744 | 1157 | } |
1158 | ||
fee6e4e4 | 1159 | if (str) |
718e3744 | 1160 | { |
fee6e4e4 | 1161 | if (style == EXTCOMMUNITY_LIST_STANDARD) |
1162 | ecom = ecommunity_str2com (str, 0, 1); | |
718e3744 | 1163 | else |
fee6e4e4 | 1164 | regex = bgp_regcomp (str); |
8708b74f | 1165 | |
fee6e4e4 | 1166 | if (! ecom && ! regex) |
1167 | return COMMUNITY_LIST_ERR_MALFORMED_VAL; | |
718e3744 | 1168 | } |
1169 | ||
fee6e4e4 | 1170 | if (ecom) |
1171 | ecom->str = ecommunity_ecom2str (ecom, ECOMMUNITY_FORMAT_DISPLAY); | |
1172 | ||
1173 | entry = community_entry_new (); | |
1174 | entry->direct = direct; | |
1175 | entry->style = style; | |
1176 | entry->any = (str ? 0 : 1); | |
1177 | if (ecom) | |
1178 | entry->config = ecommunity_ecom2str (ecom, ECOMMUNITY_FORMAT_COMMUNITY_LIST); | |
1179 | else if (regex) | |
1180 | entry->config = XSTRDUP (MTYPE_COMMUNITY_LIST_CONFIG, str); | |
1181 | else | |
1182 | entry->config = NULL; | |
1183 | entry->u.ecom = ecom; | |
1184 | entry->reg = regex; | |
1185 | ||
718e3744 | 1186 | /* Do not put duplicated community entry. */ |
1187 | if (community_list_dup_check (list, entry)) | |
1188 | community_entry_free (entry); | |
1189 | else | |
518f0eb1 DS |
1190 | { |
1191 | community_list_entry_add (list, entry); | |
1192 | route_map_notify_dependencies(name, RMAP_EVENT_ECLIST_ADDED); | |
1193 | } | |
718e3744 | 1194 | |
1195 | return 0; | |
1196 | } | |
1197 | ||
1198 | /* Unset extcommunity-list. When str is NULL, delete all of | |
1199 | extcommunity-list entry belongs to the specified name. */ | |
1200 | int | |
1201 | extcommunity_list_unset (struct community_list_handler *ch, | |
fd79ac91 | 1202 | const char *name, const char *str, |
813d4307 | 1203 | int direct, int style, int delete_all) |
718e3744 | 1204 | { |
fee6e4e4 | 1205 | struct community_entry *entry = NULL; |
718e3744 | 1206 | struct community_list *list; |
1207 | struct ecommunity *ecom = NULL; | |
718e3744 | 1208 | |
1209 | /* Lookup extcommunity list. */ | |
fee6e4e4 | 1210 | list = community_list_lookup (ch, name, EXTCOMMUNITY_LIST_MASTER); |
718e3744 | 1211 | if (list == NULL) |
1212 | return COMMUNITY_LIST_ERR_CANT_FIND_LIST; | |
1213 | ||
1214 | /* Delete all of entry belongs to this extcommunity-list. */ | |
813d4307 | 1215 | if (delete_all) |
718e3744 | 1216 | { |
1217 | community_list_delete (list); | |
518f0eb1 | 1218 | route_map_notify_dependencies(name, RMAP_EVENT_ECLIST_DELETED); |
718e3744 | 1219 | return 0; |
1220 | } | |
1221 | ||
fee6e4e4 | 1222 | if (style == EXTCOMMUNITY_LIST_STANDARD) |
813d4307 DW |
1223 | { |
1224 | if (str) | |
1225 | ecom = ecommunity_str2com (str, 0, 1); | |
1226 | } | |
718e3744 | 1227 | |
fee6e4e4 | 1228 | if (ecom) |
813d4307 DW |
1229 | { |
1230 | entry = community_list_entry_lookup (list, ecom, direct); | |
1231 | ecommunity_free (&ecom); | |
1232 | } | |
fee6e4e4 | 1233 | else |
1234 | entry = community_list_entry_lookup (list, str, direct); | |
1235 | ||
8708b74f | 1236 | if (!entry) |
718e3744 | 1237 | return COMMUNITY_LIST_ERR_CANT_FIND_LIST; |
1238 | ||
1239 | community_list_entry_delete (list, entry, style); | |
518f0eb1 | 1240 | route_map_notify_dependencies(name, RMAP_EVENT_ECLIST_DELETED); |
718e3744 | 1241 | |
1242 | return 0; | |
1243 | } | |
1244 | ||
1245 | /* Initializa community-list. Return community-list handler. */ | |
1246 | struct community_list_handler * | |
94f2b392 | 1247 | community_list_init (void) |
718e3744 | 1248 | { |
1249 | struct community_list_handler *ch; | |
1250 | ch = XCALLOC (MTYPE_COMMUNITY_LIST_HANDLER, | |
8708b74f | 1251 | sizeof (struct community_list_handler)); |
718e3744 | 1252 | return ch; |
1253 | } | |
1254 | ||
1255 | /* Terminate community-list. */ | |
228da428 | 1256 | void |
718e3744 | 1257 | community_list_terminate (struct community_list_handler *ch) |
1258 | { | |
1259 | struct community_list_master *cm; | |
1260 | struct community_list *list; | |
1261 | ||
1262 | cm = &ch->community_list; | |
1263 | while ((list = cm->num.head) != NULL) | |
1264 | community_list_delete (list); | |
1265 | while ((list = cm->str.head) != NULL) | |
1266 | community_list_delete (list); | |
1267 | ||
57d187bc JS |
1268 | cm = &ch->lcommunity_list; |
1269 | while ((list = cm->num.head) != NULL) | |
1270 | community_list_delete (list); | |
1271 | while ((list = cm->str.head) != NULL) | |
1272 | community_list_delete (list); | |
1273 | ||
718e3744 | 1274 | cm = &ch->extcommunity_list; |
1275 | while ((list = cm->num.head) != NULL) | |
1276 | community_list_delete (list); | |
1277 | while ((list = cm->str.head) != NULL) | |
1278 | community_list_delete (list); | |
1279 | ||
1280 | XFREE (MTYPE_COMMUNITY_LIST_HANDLER, ch); | |
1281 | } |