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1 | /* Route map function. | |
2 | * Copyright (C) 1998, 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 | */ | |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | #include "linklist.h" | |
24 | #include "memory.h" | |
25 | #include "vector.h" | |
26 | #include "prefix.h" | |
27 | #include "vty.h" | |
28 | #include "routemap.h" | |
29 | #include "command.h" | |
30 | #include "log.h" | |
31 | #include "hash.h" | |
32 | #include "libfrr.h" | |
33 | #include "lib_errors.h" | |
34 | ||
35 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP, "Route map") | |
36 | DEFINE_MTYPE(LIB, ROUTE_MAP_NAME, "Route map name") | |
37 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_INDEX, "Route map index") | |
38 | DEFINE_MTYPE(LIB, ROUTE_MAP_RULE, "Route map rule") | |
39 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_RULE_STR, "Route map rule str") | |
40 | DEFINE_MTYPE(LIB, ROUTE_MAP_COMPILED, "Route map compiled") | |
41 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_DEP, "Route map dependency") | |
42 | ||
43 | DEFINE_QOBJ_TYPE(route_map_index) | |
44 | DEFINE_QOBJ_TYPE(route_map) | |
45 | ||
46 | /* Vector for route match rules. */ | |
47 | static vector route_match_vec; | |
48 | ||
49 | /* Vector for route set rules. */ | |
50 | static vector route_set_vec; | |
51 | ||
52 | struct route_map_match_set_hooks { | |
53 | /* match interface */ | |
54 | int (*match_interface)(struct vty *vty, struct route_map_index *index, | |
55 | const char *command, const char *arg, | |
56 | route_map_event_t type); | |
57 | ||
58 | /* no match interface */ | |
59 | int (*no_match_interface)(struct vty *vty, | |
60 | struct route_map_index *index, | |
61 | const char *command, const char *arg, | |
62 | route_map_event_t type); | |
63 | ||
64 | /* match ip address */ | |
65 | int (*match_ip_address)(struct vty *vty, struct route_map_index *index, | |
66 | const char *command, const char *arg, | |
67 | route_map_event_t type); | |
68 | ||
69 | /* no match ip address */ | |
70 | int (*no_match_ip_address)(struct vty *vty, | |
71 | struct route_map_index *index, | |
72 | const char *command, const char *arg, | |
73 | route_map_event_t type); | |
74 | ||
75 | /* match ip address prefix list */ | |
76 | int (*match_ip_address_prefix_list)(struct vty *vty, | |
77 | struct route_map_index *index, | |
78 | const char *command, | |
79 | const char *arg, | |
80 | route_map_event_t type); | |
81 | ||
82 | /* no match ip address prefix list */ | |
83 | int (*no_match_ip_address_prefix_list)(struct vty *vty, | |
84 | struct route_map_index *index, | |
85 | const char *command, | |
86 | const char *arg, | |
87 | route_map_event_t type); | |
88 | ||
89 | /* match ip next hop */ | |
90 | int (*match_ip_next_hop)(struct vty *vty, struct route_map_index *index, | |
91 | const char *command, const char *arg, | |
92 | route_map_event_t type); | |
93 | ||
94 | /* no match ip next hop */ | |
95 | int (*no_match_ip_next_hop)(struct vty *vty, | |
96 | struct route_map_index *index, | |
97 | const char *command, const char *arg, | |
98 | route_map_event_t type); | |
99 | ||
100 | /* match ip next hop prefix list */ | |
101 | int (*match_ip_next_hop_prefix_list)(struct vty *vty, | |
102 | struct route_map_index *index, | |
103 | const char *command, | |
104 | const char *arg, | |
105 | route_map_event_t type); | |
106 | ||
107 | /* no match ip next hop prefix list */ | |
108 | int (*no_match_ip_next_hop_prefix_list)(struct vty *vty, | |
109 | struct route_map_index *index, | |
110 | const char *command, | |
111 | const char *arg, | |
112 | route_map_event_t type); | |
113 | ||
114 | /* match ip next hop type */ | |
115 | int (*match_ip_next_hop_type)(struct vty *vty, | |
116 | struct route_map_index *index, | |
117 | const char *command, | |
118 | const char *arg, | |
119 | route_map_event_t type); | |
120 | ||
121 | /* no match ip next hop type */ | |
122 | int (*no_match_ip_next_hop_type)(struct vty *vty, | |
123 | struct route_map_index *index, | |
124 | const char *command, | |
125 | const char *arg, | |
126 | route_map_event_t type); | |
127 | ||
128 | /* match ipv6 address */ | |
129 | int (*match_ipv6_address)(struct vty *vty, | |
130 | struct route_map_index *index, | |
131 | const char *command, const char *arg, | |
132 | route_map_event_t type); | |
133 | ||
134 | /* no match ipv6 address */ | |
135 | int (*no_match_ipv6_address)(struct vty *vty, | |
136 | struct route_map_index *index, | |
137 | const char *command, const char *arg, | |
138 | route_map_event_t type); | |
139 | ||
140 | ||
141 | /* match ipv6 address prefix list */ | |
142 | int (*match_ipv6_address_prefix_list)(struct vty *vty, | |
143 | struct route_map_index *index, | |
144 | const char *command, | |
145 | const char *arg, | |
146 | route_map_event_t type); | |
147 | ||
148 | /* no match ipv6 address prefix list */ | |
149 | int (*no_match_ipv6_address_prefix_list)(struct vty *vty, | |
150 | struct route_map_index *index, | |
151 | const char *command, | |
152 | const char *arg, | |
153 | route_map_event_t type); | |
154 | ||
155 | /* match ipv6 next-hop type */ | |
156 | int (*match_ipv6_next_hop_type)(struct vty *vty, | |
157 | struct route_map_index *index, | |
158 | const char *command, | |
159 | const char *arg, | |
160 | route_map_event_t type); | |
161 | ||
162 | /* no match ipv6next-hop type */ | |
163 | int (*no_match_ipv6_next_hop_type)(struct vty *vty, | |
164 | struct route_map_index *index, | |
165 | const char *command, const char *arg, | |
166 | route_map_event_t type); | |
167 | ||
168 | /* match metric */ | |
169 | int (*match_metric)(struct vty *vty, struct route_map_index *index, | |
170 | const char *command, const char *arg, | |
171 | route_map_event_t type); | |
172 | ||
173 | /* no match metric */ | |
174 | int (*no_match_metric)(struct vty *vty, struct route_map_index *index, | |
175 | const char *command, const char *arg, | |
176 | route_map_event_t type); | |
177 | ||
178 | /* match tag */ | |
179 | int (*match_tag)(struct vty *vty, struct route_map_index *index, | |
180 | const char *command, const char *arg, | |
181 | route_map_event_t type); | |
182 | ||
183 | /* no match tag */ | |
184 | int (*no_match_tag)(struct vty *vty, struct route_map_index *index, | |
185 | const char *command, const char *arg, | |
186 | route_map_event_t type); | |
187 | ||
188 | /* set ip nexthop */ | |
189 | int (*set_ip_nexthop)(struct vty *vty, struct route_map_index *index, | |
190 | const char *command, const char *arg); | |
191 | ||
192 | /* no set ip nexthop */ | |
193 | int (*no_set_ip_nexthop)(struct vty *vty, struct route_map_index *index, | |
194 | const char *command, const char *arg); | |
195 | ||
196 | /* set ipv6 nexthop local */ | |
197 | int (*set_ipv6_nexthop_local)(struct vty *vty, | |
198 | struct route_map_index *index, | |
199 | const char *command, const char *arg); | |
200 | ||
201 | /* no set ipv6 nexthop local */ | |
202 | int (*no_set_ipv6_nexthop_local)(struct vty *vty, | |
203 | struct route_map_index *index, | |
204 | const char *command, const char *arg); | |
205 | ||
206 | /* set metric */ | |
207 | int (*set_metric)(struct vty *vty, struct route_map_index *index, | |
208 | const char *command, const char *arg); | |
209 | ||
210 | /* no set metric */ | |
211 | int (*no_set_metric)(struct vty *vty, struct route_map_index *index, | |
212 | const char *command, const char *arg); | |
213 | ||
214 | /* set tag */ | |
215 | int (*set_tag)(struct vty *vty, struct route_map_index *index, | |
216 | const char *command, const char *arg); | |
217 | ||
218 | /* no set tag */ | |
219 | int (*no_set_tag)(struct vty *vty, struct route_map_index *index, | |
220 | const char *command, const char *arg); | |
221 | }; | |
222 | ||
223 | struct route_map_match_set_hooks rmap_match_set_hook; | |
224 | ||
225 | /* match interface */ | |
226 | void route_map_match_interface_hook(int (*func)( | |
227 | struct vty *vty, struct route_map_index *index, const char *command, | |
228 | const char *arg, route_map_event_t type)) | |
229 | { | |
230 | rmap_match_set_hook.match_interface = func; | |
231 | } | |
232 | ||
233 | /* no match interface */ | |
234 | void route_map_no_match_interface_hook(int (*func)( | |
235 | struct vty *vty, struct route_map_index *index, const char *command, | |
236 | const char *arg, route_map_event_t type)) | |
237 | { | |
238 | rmap_match_set_hook.no_match_interface = func; | |
239 | } | |
240 | ||
241 | /* match ip address */ | |
242 | void route_map_match_ip_address_hook(int (*func)( | |
243 | struct vty *vty, struct route_map_index *index, const char *command, | |
244 | const char *arg, route_map_event_t type)) | |
245 | { | |
246 | rmap_match_set_hook.match_ip_address = func; | |
247 | } | |
248 | ||
249 | /* no match ip address */ | |
250 | void route_map_no_match_ip_address_hook(int (*func)( | |
251 | struct vty *vty, struct route_map_index *index, const char *command, | |
252 | const char *arg, route_map_event_t type)) | |
253 | { | |
254 | rmap_match_set_hook.no_match_ip_address = func; | |
255 | } | |
256 | ||
257 | /* match ip address prefix list */ | |
258 | void route_map_match_ip_address_prefix_list_hook(int (*func)( | |
259 | struct vty *vty, struct route_map_index *index, const char *command, | |
260 | const char *arg, route_map_event_t type)) | |
261 | { | |
262 | rmap_match_set_hook.match_ip_address_prefix_list = func; | |
263 | } | |
264 | ||
265 | /* no match ip address prefix list */ | |
266 | void route_map_no_match_ip_address_prefix_list_hook(int (*func)( | |
267 | struct vty *vty, struct route_map_index *index, const char *command, | |
268 | const char *arg, route_map_event_t type)) | |
269 | { | |
270 | rmap_match_set_hook.no_match_ip_address_prefix_list = func; | |
271 | } | |
272 | ||
273 | /* match ip next hop */ | |
274 | void route_map_match_ip_next_hop_hook(int (*func)( | |
275 | struct vty *vty, struct route_map_index *index, const char *command, | |
276 | const char *arg, route_map_event_t type)) | |
277 | { | |
278 | rmap_match_set_hook.match_ip_next_hop = func; | |
279 | } | |
280 | ||
281 | /* no match ip next hop */ | |
282 | void route_map_no_match_ip_next_hop_hook(int (*func)( | |
283 | struct vty *vty, struct route_map_index *index, const char *command, | |
284 | const char *arg, route_map_event_t type)) | |
285 | { | |
286 | rmap_match_set_hook.no_match_ip_next_hop = func; | |
287 | } | |
288 | ||
289 | /* match ip next hop prefix list */ | |
290 | void route_map_match_ip_next_hop_prefix_list_hook(int (*func)( | |
291 | struct vty *vty, struct route_map_index *index, const char *command, | |
292 | const char *arg, route_map_event_t type)) | |
293 | { | |
294 | rmap_match_set_hook.match_ip_next_hop_prefix_list = func; | |
295 | } | |
296 | ||
297 | /* no match ip next hop prefix list */ | |
298 | void route_map_no_match_ip_next_hop_prefix_list_hook(int (*func)( | |
299 | struct vty *vty, struct route_map_index *index, const char *command, | |
300 | const char *arg, route_map_event_t type)) | |
301 | { | |
302 | rmap_match_set_hook.no_match_ip_next_hop_prefix_list = func; | |
303 | } | |
304 | ||
305 | /* match ip next hop type */ | |
306 | void route_map_match_ip_next_hop_type_hook(int (*func)( | |
307 | struct vty *vty, struct route_map_index *index, const char *command, | |
308 | const char *arg, route_map_event_t type)) | |
309 | { | |
310 | rmap_match_set_hook.match_ip_next_hop_type = func; | |
311 | } | |
312 | ||
313 | /* no match ip next hop type */ | |
314 | void route_map_no_match_ip_next_hop_type_hook(int (*func)( | |
315 | struct vty *vty, struct route_map_index *index, const char *command, | |
316 | const char *arg, route_map_event_t type)) | |
317 | { | |
318 | rmap_match_set_hook.no_match_ip_next_hop_type = func; | |
319 | } | |
320 | ||
321 | /* match ipv6 address */ | |
322 | void route_map_match_ipv6_address_hook(int (*func)( | |
323 | struct vty *vty, struct route_map_index *index, const char *command, | |
324 | const char *arg, route_map_event_t type)) | |
325 | { | |
326 | rmap_match_set_hook.match_ipv6_address = func; | |
327 | } | |
328 | ||
329 | /* no match ipv6 address */ | |
330 | void route_map_no_match_ipv6_address_hook(int (*func)( | |
331 | struct vty *vty, struct route_map_index *index, const char *command, | |
332 | const char *arg, route_map_event_t type)) | |
333 | { | |
334 | rmap_match_set_hook.no_match_ipv6_address = func; | |
335 | } | |
336 | ||
337 | ||
338 | /* match ipv6 address prefix list */ | |
339 | void route_map_match_ipv6_address_prefix_list_hook(int (*func)( | |
340 | struct vty *vty, struct route_map_index *index, const char *command, | |
341 | const char *arg, route_map_event_t type)) | |
342 | { | |
343 | rmap_match_set_hook.match_ipv6_address_prefix_list = func; | |
344 | } | |
345 | ||
346 | /* no match ipv6 address prefix list */ | |
347 | void route_map_no_match_ipv6_address_prefix_list_hook(int (*func)( | |
348 | struct vty *vty, struct route_map_index *index, const char *command, | |
349 | const char *arg, route_map_event_t type)) | |
350 | { | |
351 | rmap_match_set_hook.no_match_ipv6_address_prefix_list = func; | |
352 | } | |
353 | ||
354 | /* match ipv6 next-hop type */ | |
355 | void route_map_match_ipv6_next_hop_type_hook(int (*func)( | |
356 | struct vty *vty, struct route_map_index *index, const char *command, | |
357 | const char *arg, route_map_event_t type)) | |
358 | { | |
359 | rmap_match_set_hook.match_ipv6_next_hop_type = func; | |
360 | } | |
361 | ||
362 | /* no match ipv6 next-hop type */ | |
363 | void route_map_no_match_ipv6_next_hop_type_hook(int (*func)( | |
364 | struct vty *vty, struct route_map_index *index, const char *command, | |
365 | const char *arg, route_map_event_t type)) | |
366 | { | |
367 | rmap_match_set_hook.no_match_ipv6_next_hop_type = func; | |
368 | } | |
369 | ||
370 | /* match metric */ | |
371 | void route_map_match_metric_hook(int (*func)( | |
372 | struct vty *vty, struct route_map_index *index, const char *command, | |
373 | const char *arg, route_map_event_t type)) | |
374 | { | |
375 | rmap_match_set_hook.match_metric = func; | |
376 | } | |
377 | ||
378 | /* no match metric */ | |
379 | void route_map_no_match_metric_hook(int (*func)( | |
380 | struct vty *vty, struct route_map_index *index, const char *command, | |
381 | const char *arg, route_map_event_t type)) | |
382 | { | |
383 | rmap_match_set_hook.no_match_metric = func; | |
384 | } | |
385 | ||
386 | /* match tag */ | |
387 | void route_map_match_tag_hook(int (*func)(struct vty *vty, | |
388 | struct route_map_index *index, | |
389 | const char *command, const char *arg, | |
390 | route_map_event_t type)) | |
391 | { | |
392 | rmap_match_set_hook.match_tag = func; | |
393 | } | |
394 | ||
395 | /* no match tag */ | |
396 | void route_map_no_match_tag_hook(int (*func)( | |
397 | struct vty *vty, struct route_map_index *index, const char *command, | |
398 | const char *arg, route_map_event_t type)) | |
399 | { | |
400 | rmap_match_set_hook.no_match_tag = func; | |
401 | } | |
402 | ||
403 | /* set ip nexthop */ | |
404 | void route_map_set_ip_nexthop_hook(int (*func)(struct vty *vty, | |
405 | struct route_map_index *index, | |
406 | const char *command, | |
407 | const char *arg)) | |
408 | { | |
409 | rmap_match_set_hook.set_ip_nexthop = func; | |
410 | } | |
411 | ||
412 | /* no set ip nexthop */ | |
413 | void route_map_no_set_ip_nexthop_hook(int (*func)(struct vty *vty, | |
414 | struct route_map_index *index, | |
415 | const char *command, | |
416 | const char *arg)) | |
417 | { | |
418 | rmap_match_set_hook.no_set_ip_nexthop = func; | |
419 | } | |
420 | ||
421 | /* set ipv6 nexthop local */ | |
422 | void route_map_set_ipv6_nexthop_local_hook( | |
423 | int (*func)(struct vty *vty, struct route_map_index *index, | |
424 | const char *command, const char *arg)) | |
425 | { | |
426 | rmap_match_set_hook.set_ipv6_nexthop_local = func; | |
427 | } | |
428 | ||
429 | /* no set ipv6 nexthop local */ | |
430 | void route_map_no_set_ipv6_nexthop_local_hook( | |
431 | int (*func)(struct vty *vty, struct route_map_index *index, | |
432 | const char *command, const char *arg)) | |
433 | { | |
434 | rmap_match_set_hook.no_set_ipv6_nexthop_local = func; | |
435 | } | |
436 | ||
437 | /* set metric */ | |
438 | void route_map_set_metric_hook(int (*func)(struct vty *vty, | |
439 | struct route_map_index *index, | |
440 | const char *command, | |
441 | const char *arg)) | |
442 | { | |
443 | rmap_match_set_hook.set_metric = func; | |
444 | } | |
445 | ||
446 | /* no set metric */ | |
447 | void route_map_no_set_metric_hook(int (*func)(struct vty *vty, | |
448 | struct route_map_index *index, | |
449 | const char *command, | |
450 | const char *arg)) | |
451 | { | |
452 | rmap_match_set_hook.no_set_metric = func; | |
453 | } | |
454 | ||
455 | /* set tag */ | |
456 | void route_map_set_tag_hook(int (*func)(struct vty *vty, | |
457 | struct route_map_index *index, | |
458 | const char *command, const char *arg)) | |
459 | { | |
460 | rmap_match_set_hook.set_tag = func; | |
461 | } | |
462 | ||
463 | /* no set tag */ | |
464 | void route_map_no_set_tag_hook(int (*func)(struct vty *vty, | |
465 | struct route_map_index *index, | |
466 | const char *command, | |
467 | const char *arg)) | |
468 | { | |
469 | rmap_match_set_hook.no_set_tag = func; | |
470 | } | |
471 | ||
472 | int generic_match_add(struct vty *vty, struct route_map_index *index, | |
473 | const char *command, const char *arg, | |
474 | route_map_event_t type) | |
475 | { | |
476 | int ret; | |
477 | ||
478 | ret = route_map_add_match(index, command, arg); | |
479 | switch (ret) { | |
480 | case RMAP_COMPILE_SUCCESS: | |
481 | if (type != RMAP_EVENT_MATCH_ADDED) { | |
482 | route_map_upd8_dependency(type, arg, index->map->name); | |
483 | } | |
484 | break; | |
485 | case RMAP_RULE_MISSING: | |
486 | vty_out(vty, "%% [%s] Can't find rule.\n", frr_protonameinst); | |
487 | return CMD_WARNING_CONFIG_FAILED; | |
488 | break; | |
489 | case RMAP_COMPILE_ERROR: | |
490 | vty_out(vty, | |
491 | "%% [%s] Argument form is unsupported or malformed.\n", | |
492 | frr_protonameinst); | |
493 | return CMD_WARNING_CONFIG_FAILED; | |
494 | break; | |
495 | } | |
496 | ||
497 | return CMD_SUCCESS; | |
498 | } | |
499 | ||
500 | int generic_match_delete(struct vty *vty, struct route_map_index *index, | |
501 | const char *command, const char *arg, | |
502 | route_map_event_t type) | |
503 | { | |
504 | int ret; | |
505 | int retval = CMD_SUCCESS; | |
506 | char *dep_name = NULL; | |
507 | const char *tmpstr; | |
508 | char *rmap_name = NULL; | |
509 | ||
510 | if (type != RMAP_EVENT_MATCH_DELETED) { | |
511 | /* ignore the mundane, the types without any dependency */ | |
512 | if (arg == NULL) { | |
513 | if ((tmpstr = route_map_get_match_arg(index, command)) | |
514 | != NULL) | |
515 | dep_name = | |
516 | XSTRDUP(MTYPE_ROUTE_MAP_RULE, tmpstr); | |
517 | } else { | |
518 | dep_name = XSTRDUP(MTYPE_ROUTE_MAP_RULE, arg); | |
519 | } | |
520 | rmap_name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, index->map->name); | |
521 | } | |
522 | ||
523 | ret = route_map_delete_match(index, command, dep_name); | |
524 | switch (ret) { | |
525 | case RMAP_RULE_MISSING: | |
526 | vty_out(vty, "%% [%s] Can't find rule.\n", frr_protonameinst); | |
527 | retval = CMD_WARNING_CONFIG_FAILED; | |
528 | break; | |
529 | case RMAP_COMPILE_ERROR: | |
530 | vty_out(vty, | |
531 | "%% [%s] Argument form is unsupported or malformed.\n", | |
532 | frr_protonameinst); | |
533 | retval = CMD_WARNING_CONFIG_FAILED; | |
534 | break; | |
535 | case RMAP_COMPILE_SUCCESS: | |
536 | if (type != RMAP_EVENT_MATCH_DELETED && dep_name) | |
537 | route_map_upd8_dependency(type, dep_name, rmap_name); | |
538 | break; | |
539 | } | |
540 | ||
541 | XFREE(MTYPE_ROUTE_MAP_RULE, dep_name); | |
542 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap_name); | |
543 | ||
544 | return retval; | |
545 | } | |
546 | ||
547 | int generic_set_add(struct vty *vty, struct route_map_index *index, | |
548 | const char *command, const char *arg) | |
549 | { | |
550 | int ret; | |
551 | ||
552 | ret = route_map_add_set(index, command, arg); | |
553 | switch (ret) { | |
554 | case RMAP_RULE_MISSING: | |
555 | vty_out(vty, "%% [%s] Can't find rule.\n", frr_protonameinst); | |
556 | return CMD_WARNING_CONFIG_FAILED; | |
557 | break; | |
558 | case RMAP_COMPILE_ERROR: | |
559 | vty_out(vty, | |
560 | "%% [%s] Argument form is unsupported or malformed.\n", | |
561 | frr_protonameinst); | |
562 | return CMD_WARNING_CONFIG_FAILED; | |
563 | break; | |
564 | case RMAP_COMPILE_SUCCESS: | |
565 | break; | |
566 | } | |
567 | ||
568 | return CMD_SUCCESS; | |
569 | } | |
570 | ||
571 | int generic_set_delete(struct vty *vty, struct route_map_index *index, | |
572 | const char *command, const char *arg) | |
573 | { | |
574 | int ret; | |
575 | ||
576 | ret = route_map_delete_set(index, command, arg); | |
577 | switch (ret) { | |
578 | case RMAP_RULE_MISSING: | |
579 | vty_out(vty, "%% [%s] Can't find rule.\n", frr_protonameinst); | |
580 | return CMD_WARNING_CONFIG_FAILED; | |
581 | break; | |
582 | case RMAP_COMPILE_ERROR: | |
583 | vty_out(vty, | |
584 | "%% [%s] Argument form is unsupported or malformed.\n", | |
585 | frr_protonameinst); | |
586 | return CMD_WARNING_CONFIG_FAILED; | |
587 | break; | |
588 | case RMAP_COMPILE_SUCCESS: | |
589 | break; | |
590 | } | |
591 | ||
592 | return CMD_SUCCESS; | |
593 | } | |
594 | ||
595 | ||
596 | /* Route map rule. This rule has both `match' rule and `set' rule. */ | |
597 | struct route_map_rule { | |
598 | /* Rule type. */ | |
599 | struct route_map_rule_cmd *cmd; | |
600 | ||
601 | /* For pretty printing. */ | |
602 | char *rule_str; | |
603 | ||
604 | /* Pre-compiled match rule. */ | |
605 | void *value; | |
606 | ||
607 | /* Linked list. */ | |
608 | struct route_map_rule *next; | |
609 | struct route_map_rule *prev; | |
610 | }; | |
611 | ||
612 | /* Making route map list. */ | |
613 | struct route_map_list { | |
614 | struct route_map *head; | |
615 | struct route_map *tail; | |
616 | ||
617 | void (*add_hook)(const char *); | |
618 | void (*delete_hook)(const char *); | |
619 | void (*event_hook)(route_map_event_t, const char *); | |
620 | }; | |
621 | ||
622 | /* Master list of route map. */ | |
623 | static struct route_map_list route_map_master = {NULL, NULL, NULL, NULL, NULL}; | |
624 | struct hash *route_map_master_hash = NULL; | |
625 | ||
626 | static unsigned int route_map_hash_key_make(void *p) | |
627 | { | |
628 | const struct route_map *map = p; | |
629 | return string_hash_make(map->name); | |
630 | } | |
631 | ||
632 | static bool route_map_hash_cmp(const void *p1, const void *p2) | |
633 | { | |
634 | const struct route_map *map1 = p1; | |
635 | const struct route_map *map2 = p2; | |
636 | ||
637 | if (map1->deleted == map2->deleted) { | |
638 | if (map1->name && map2->name) { | |
639 | if (!strcmp(map1->name, map2->name)) { | |
640 | return true; | |
641 | } | |
642 | } else if (!map1->name && !map2->name) { | |
643 | return true; | |
644 | } | |
645 | } | |
646 | ||
647 | return false; | |
648 | } | |
649 | ||
650 | enum route_map_upd8_type { | |
651 | ROUTE_MAP_ADD = 1, | |
652 | ROUTE_MAP_DEL, | |
653 | }; | |
654 | ||
655 | /* all possible route-map dependency types */ | |
656 | enum route_map_dep_type { | |
657 | ROUTE_MAP_DEP_RMAP = 1, | |
658 | ROUTE_MAP_DEP_CLIST, | |
659 | ROUTE_MAP_DEP_ECLIST, | |
660 | ROUTE_MAP_DEP_LCLIST, | |
661 | ROUTE_MAP_DEP_PLIST, | |
662 | ROUTE_MAP_DEP_ASPATH, | |
663 | ROUTE_MAP_DEP_FILTER, | |
664 | ROUTE_MAP_DEP_MAX, | |
665 | }; | |
666 | ||
667 | struct route_map_dep { | |
668 | char *dep_name; | |
669 | struct hash *dep_rmap_hash; | |
670 | struct hash *this_hash; /* ptr to the hash structure this is part of */ | |
671 | }; | |
672 | ||
673 | /* Hashes maintaining dependency between various sublists used by route maps */ | |
674 | struct hash *route_map_dep_hash[ROUTE_MAP_DEP_MAX]; | |
675 | ||
676 | static unsigned int route_map_dep_hash_make_key(void *p); | |
677 | static void route_map_clear_all_references(char *rmap_name); | |
678 | static void route_map_rule_delete(struct route_map_rule_list *, | |
679 | struct route_map_rule *); | |
680 | static int rmap_debug = 0; | |
681 | ||
682 | static void route_map_index_delete(struct route_map_index *, int); | |
683 | ||
684 | /* New route map allocation. Please note route map's name must be | |
685 | specified. */ | |
686 | static struct route_map *route_map_new(const char *name) | |
687 | { | |
688 | struct route_map *new; | |
689 | ||
690 | new = XCALLOC(MTYPE_ROUTE_MAP, sizeof(struct route_map)); | |
691 | new->name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, name); | |
692 | QOBJ_REG(new, route_map); | |
693 | return new; | |
694 | } | |
695 | ||
696 | /* Add new name to route_map. */ | |
697 | static struct route_map *route_map_add(const char *name) | |
698 | { | |
699 | struct route_map *map; | |
700 | struct route_map_list *list; | |
701 | ||
702 | map = route_map_new(name); | |
703 | list = &route_map_master; | |
704 | ||
705 | /* Add map to the hash */ | |
706 | hash_get(route_map_master_hash, map, hash_alloc_intern); | |
707 | ||
708 | /* Add new entry to the head of the list to match how it is added in the | |
709 | * hash table. This is to ensure that if the same route-map has been | |
710 | * created more than once and then marked for deletion (which can happen | |
711 | * if prior deletions haven't completed as BGP hasn't yet done the | |
712 | * route-map processing), the order of the entities is the same in both | |
713 | * the list and the hash table. Otherwise, since there is nothing to | |
714 | * distinguish between the two entries, the wrong entry could get freed. | |
715 | * TODO: This needs to be re-examined to handle it better - e.g., revive | |
716 | * a deleted entry if the route-map is created again. | |
717 | */ | |
718 | map->prev = NULL; | |
719 | map->next = list->head; | |
720 | if (list->head) | |
721 | list->head->prev = map; | |
722 | list->head = map; | |
723 | if (!list->tail) | |
724 | list->tail = map; | |
725 | ||
726 | /* Execute hook. */ | |
727 | if (route_map_master.add_hook) { | |
728 | (*route_map_master.add_hook)(name); | |
729 | route_map_notify_dependencies(name, RMAP_EVENT_CALL_ADDED); | |
730 | } | |
731 | return map; | |
732 | } | |
733 | ||
734 | /* this is supposed to be called post processing by | |
735 | * the delete hook function. Don't invoke delete_hook | |
736 | * again in this routine. | |
737 | */ | |
738 | static void route_map_free_map(struct route_map *map) | |
739 | { | |
740 | struct route_map_list *list; | |
741 | struct route_map_index *index; | |
742 | ||
743 | if (map == NULL) | |
744 | return; | |
745 | ||
746 | while ((index = map->head) != NULL) | |
747 | route_map_index_delete(index, 0); | |
748 | ||
749 | list = &route_map_master; | |
750 | ||
751 | QOBJ_UNREG(map); | |
752 | ||
753 | if (map->next) | |
754 | map->next->prev = map->prev; | |
755 | else | |
756 | list->tail = map->prev; | |
757 | ||
758 | if (map->prev) | |
759 | map->prev->next = map->next; | |
760 | else | |
761 | list->head = map->next; | |
762 | ||
763 | hash_release(route_map_master_hash, map); | |
764 | XFREE(MTYPE_ROUTE_MAP_NAME, map->name); | |
765 | XFREE(MTYPE_ROUTE_MAP, map); | |
766 | } | |
767 | ||
768 | /* Route map delete from list. */ | |
769 | static void route_map_delete(struct route_map *map) | |
770 | { | |
771 | struct route_map_index *index; | |
772 | char *name; | |
773 | ||
774 | while ((index = map->head) != NULL) | |
775 | route_map_index_delete(index, 0); | |
776 | ||
777 | name = map->name; | |
778 | map->head = NULL; | |
779 | ||
780 | /* Clear all dependencies */ | |
781 | route_map_clear_all_references(name); | |
782 | map->deleted = true; | |
783 | /* Execute deletion hook. */ | |
784 | if (route_map_master.delete_hook) { | |
785 | (*route_map_master.delete_hook)(name); | |
786 | route_map_notify_dependencies(name, RMAP_EVENT_CALL_DELETED); | |
787 | } | |
788 | ||
789 | if (!map->to_be_processed) { | |
790 | route_map_free_map(map); | |
791 | } | |
792 | } | |
793 | ||
794 | /* Lookup route map by route map name string. */ | |
795 | struct route_map *route_map_lookup_by_name(const char *name) | |
796 | { | |
797 | struct route_map *map; | |
798 | struct route_map tmp_map; | |
799 | ||
800 | if (!name) | |
801 | return NULL; | |
802 | ||
803 | // map.deleted is 0 via memset | |
804 | memset(&tmp_map, 0, sizeof(struct route_map)); | |
805 | tmp_map.name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, name); | |
806 | map = hash_lookup(route_map_master_hash, &tmp_map); | |
807 | XFREE(MTYPE_ROUTE_MAP_NAME, tmp_map.name); | |
808 | return map; | |
809 | } | |
810 | ||
811 | /* Simple helper to warn if route-map does not exist. */ | |
812 | struct route_map *route_map_lookup_warn_noexist(struct vty *vty, const char *name) | |
813 | { | |
814 | struct route_map *route_map = route_map_lookup_by_name(name); | |
815 | ||
816 | if (!route_map) | |
817 | if (vty_shell_serv(vty)) | |
818 | vty_out(vty, "The route-map '%s' does not exist.\n", name); | |
819 | ||
820 | return route_map; | |
821 | } | |
822 | ||
823 | int route_map_mark_updated(const char *name) | |
824 | { | |
825 | struct route_map *map; | |
826 | int ret = -1; | |
827 | struct route_map tmp_map; | |
828 | ||
829 | if (!name) | |
830 | return (ret); | |
831 | ||
832 | map = route_map_lookup_by_name(name); | |
833 | ||
834 | /* If we did not find the routemap with deleted=false try again | |
835 | * with deleted=true | |
836 | */ | |
837 | if (!map) { | |
838 | memset(&tmp_map, 0, sizeof(struct route_map)); | |
839 | tmp_map.name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, name); | |
840 | tmp_map.deleted = true; | |
841 | map = hash_lookup(route_map_master_hash, &tmp_map); | |
842 | XFREE(MTYPE_ROUTE_MAP_NAME, tmp_map.name); | |
843 | } | |
844 | ||
845 | if (map) { | |
846 | map->to_be_processed = true; | |
847 | ret = 0; | |
848 | } | |
849 | ||
850 | return (ret); | |
851 | } | |
852 | ||
853 | static int route_map_clear_updated(struct route_map *map) | |
854 | { | |
855 | int ret = -1; | |
856 | ||
857 | if (map) { | |
858 | map->to_be_processed = false; | |
859 | if (map->deleted) | |
860 | route_map_free_map(map); | |
861 | } | |
862 | ||
863 | return (ret); | |
864 | } | |
865 | ||
866 | /* Lookup route map. If there isn't route map create one and return | |
867 | it. */ | |
868 | static struct route_map *route_map_get(const char *name) | |
869 | { | |
870 | struct route_map *map; | |
871 | ||
872 | map = route_map_lookup_by_name(name); | |
873 | if (map == NULL) | |
874 | map = route_map_add(name); | |
875 | ||
876 | return map; | |
877 | } | |
878 | ||
879 | void route_map_walk_update_list(void (*route_map_update_fn)(char *name)) | |
880 | { | |
881 | struct route_map *node; | |
882 | struct route_map *nnode = NULL; | |
883 | ||
884 | for (node = route_map_master.head; node; node = nnode) { | |
885 | if (node->to_be_processed) { | |
886 | /* DD: Should we add any thread yield code here */ | |
887 | route_map_update_fn(node->name); | |
888 | nnode = node->next; | |
889 | route_map_clear_updated(node); | |
890 | } else | |
891 | nnode = node->next; | |
892 | } | |
893 | } | |
894 | ||
895 | /* Return route map's type string. */ | |
896 | static const char *route_map_type_str(enum route_map_type type) | |
897 | { | |
898 | switch (type) { | |
899 | case RMAP_PERMIT: | |
900 | return "permit"; | |
901 | break; | |
902 | case RMAP_DENY: | |
903 | return "deny"; | |
904 | break; | |
905 | default: | |
906 | return ""; | |
907 | break; | |
908 | } | |
909 | } | |
910 | ||
911 | static int route_map_empty(struct route_map *map) | |
912 | { | |
913 | if (map->head == NULL && map->tail == NULL) | |
914 | return 1; | |
915 | else | |
916 | return 0; | |
917 | } | |
918 | ||
919 | /* show route-map */ | |
920 | static void vty_show_route_map_entry(struct vty *vty, struct route_map *map) | |
921 | { | |
922 | struct route_map_index *index; | |
923 | struct route_map_rule *rule; | |
924 | ||
925 | vty_out(vty, "route-map: %s Invoked: %" PRIu64 "\n", | |
926 | map->name, map->applied); | |
927 | ||
928 | for (index = map->head; index; index = index->next) { | |
929 | vty_out(vty, " %s, sequence %d Invoked %" PRIu64 "\n", | |
930 | route_map_type_str(index->type), index->pref, | |
931 | index->applied); | |
932 | ||
933 | /* Description */ | |
934 | if (index->description) | |
935 | vty_out(vty, " Description:\n %s\n", | |
936 | index->description); | |
937 | ||
938 | /* Match clauses */ | |
939 | vty_out(vty, " Match clauses:\n"); | |
940 | for (rule = index->match_list.head; rule; rule = rule->next) | |
941 | vty_out(vty, " %s %s\n", rule->cmd->str, | |
942 | rule->rule_str); | |
943 | ||
944 | vty_out(vty, " Set clauses:\n"); | |
945 | for (rule = index->set_list.head; rule; rule = rule->next) | |
946 | vty_out(vty, " %s %s\n", rule->cmd->str, | |
947 | rule->rule_str); | |
948 | ||
949 | /* Call clause */ | |
950 | vty_out(vty, " Call clause:\n"); | |
951 | if (index->nextrm) | |
952 | vty_out(vty, " Call %s\n", index->nextrm); | |
953 | ||
954 | /* Exit Policy */ | |
955 | vty_out(vty, " Action:\n"); | |
956 | if (index->exitpolicy == RMAP_GOTO) | |
957 | vty_out(vty, " Goto %d\n", index->nextpref); | |
958 | else if (index->exitpolicy == RMAP_NEXT) | |
959 | vty_out(vty, " Continue to next entry\n"); | |
960 | else if (index->exitpolicy == RMAP_EXIT) | |
961 | vty_out(vty, " Exit routemap\n"); | |
962 | } | |
963 | } | |
964 | ||
965 | static int sort_route_map(const void **map1, const void **map2) | |
966 | { | |
967 | const struct route_map *m1 = *map1; | |
968 | const struct route_map *m2 = *map2; | |
969 | ||
970 | return strcmp(m1->name, m2->name); | |
971 | } | |
972 | ||
973 | static int vty_show_route_map(struct vty *vty, const char *name) | |
974 | { | |
975 | struct route_map *map; | |
976 | ||
977 | vty_out(vty, "%s:\n", frr_protonameinst); | |
978 | ||
979 | if (name) { | |
980 | map = route_map_lookup_by_name(name); | |
981 | ||
982 | if (map) { | |
983 | vty_show_route_map_entry(vty, map); | |
984 | return CMD_SUCCESS; | |
985 | } else { | |
986 | vty_out(vty, "%s: 'route-map %s' not found\n", | |
987 | frr_protonameinst, name); | |
988 | return CMD_SUCCESS; | |
989 | } | |
990 | } else { | |
991 | ||
992 | struct list *maplist = list_new(); | |
993 | struct listnode *ln; | |
994 | ||
995 | for (map = route_map_master.head; map; map = map->next) | |
996 | listnode_add(maplist, map); | |
997 | ||
998 | list_sort(maplist, sort_route_map); | |
999 | ||
1000 | for (ALL_LIST_ELEMENTS_RO(maplist, ln, map)) | |
1001 | vty_show_route_map_entry(vty, map); | |
1002 | ||
1003 | list_delete(&maplist); | |
1004 | } | |
1005 | return CMD_SUCCESS; | |
1006 | } | |
1007 | ||
1008 | /* Unused route map details */ | |
1009 | static int vty_show_unused_route_map(struct vty *vty) | |
1010 | { | |
1011 | struct list *maplist = list_new(); | |
1012 | struct listnode *ln; | |
1013 | struct route_map *map; | |
1014 | ||
1015 | for (map = route_map_master.head; map; map = map->next) { | |
1016 | /* If use_count is zero, No protocol is using this routemap. | |
1017 | * so adding to the list. | |
1018 | */ | |
1019 | if (!map->use_count) | |
1020 | listnode_add(maplist, map); | |
1021 | } | |
1022 | ||
1023 | if (maplist->count > 0) { | |
1024 | vty_out(vty, "\n%s:\n", frr_protonameinst); | |
1025 | list_sort(maplist, sort_route_map); | |
1026 | ||
1027 | for (ALL_LIST_ELEMENTS_RO(maplist, ln, map)) | |
1028 | vty_show_route_map_entry(vty, map); | |
1029 | } else { | |
1030 | vty_out(vty, "\n%s: None\n", frr_protonameinst); | |
1031 | } | |
1032 | ||
1033 | list_delete(&maplist); | |
1034 | return CMD_SUCCESS; | |
1035 | } | |
1036 | ||
1037 | /* New route map allocation. Please note route map's name must be | |
1038 | specified. */ | |
1039 | static struct route_map_index *route_map_index_new(void) | |
1040 | { | |
1041 | struct route_map_index *new; | |
1042 | ||
1043 | new = XCALLOC(MTYPE_ROUTE_MAP_INDEX, sizeof(struct route_map_index)); | |
1044 | new->exitpolicy = RMAP_EXIT; /* Default to Cisco-style */ | |
1045 | QOBJ_REG(new, route_map_index); | |
1046 | return new; | |
1047 | } | |
1048 | ||
1049 | /* Free route map index. */ | |
1050 | static void route_map_index_delete(struct route_map_index *index, int notify) | |
1051 | { | |
1052 | struct route_map_rule *rule; | |
1053 | ||
1054 | QOBJ_UNREG(index); | |
1055 | ||
1056 | /* Free route match. */ | |
1057 | while ((rule = index->match_list.head) != NULL) | |
1058 | route_map_rule_delete(&index->match_list, rule); | |
1059 | ||
1060 | /* Free route set. */ | |
1061 | while ((rule = index->set_list.head) != NULL) | |
1062 | route_map_rule_delete(&index->set_list, rule); | |
1063 | ||
1064 | /* Remove index from route map list. */ | |
1065 | if (index->next) | |
1066 | index->next->prev = index->prev; | |
1067 | else | |
1068 | index->map->tail = index->prev; | |
1069 | ||
1070 | if (index->prev) | |
1071 | index->prev->next = index->next; | |
1072 | else | |
1073 | index->map->head = index->next; | |
1074 | ||
1075 | /* Free 'char *nextrm' if not NULL */ | |
1076 | XFREE(MTYPE_ROUTE_MAP_NAME, index->nextrm); | |
1077 | ||
1078 | /* Execute event hook. */ | |
1079 | if (route_map_master.event_hook && notify) { | |
1080 | (*route_map_master.event_hook)(RMAP_EVENT_INDEX_DELETED, | |
1081 | index->map->name); | |
1082 | route_map_notify_dependencies(index->map->name, | |
1083 | RMAP_EVENT_CALL_ADDED); | |
1084 | } | |
1085 | XFREE(MTYPE_ROUTE_MAP_INDEX, index); | |
1086 | } | |
1087 | ||
1088 | /* Lookup index from route map. */ | |
1089 | static struct route_map_index *route_map_index_lookup(struct route_map *map, | |
1090 | enum route_map_type type, | |
1091 | int pref) | |
1092 | { | |
1093 | struct route_map_index *index; | |
1094 | ||
1095 | for (index = map->head; index; index = index->next) | |
1096 | if ((index->type == type || type == RMAP_ANY) | |
1097 | && index->pref == pref) | |
1098 | return index; | |
1099 | return NULL; | |
1100 | } | |
1101 | ||
1102 | /* Add new index to route map. */ | |
1103 | static struct route_map_index * | |
1104 | route_map_index_add(struct route_map *map, enum route_map_type type, int pref) | |
1105 | { | |
1106 | struct route_map_index *index; | |
1107 | struct route_map_index *point; | |
1108 | ||
1109 | /* Allocate new route map inex. */ | |
1110 | index = route_map_index_new(); | |
1111 | index->map = map; | |
1112 | index->type = type; | |
1113 | index->pref = pref; | |
1114 | ||
1115 | /* Compare preference. */ | |
1116 | for (point = map->head; point; point = point->next) | |
1117 | if (point->pref >= pref) | |
1118 | break; | |
1119 | ||
1120 | if (map->head == NULL) { | |
1121 | map->head = map->tail = index; | |
1122 | } else if (point == NULL) { | |
1123 | index->prev = map->tail; | |
1124 | map->tail->next = index; | |
1125 | map->tail = index; | |
1126 | } else if (point == map->head) { | |
1127 | index->next = map->head; | |
1128 | map->head->prev = index; | |
1129 | map->head = index; | |
1130 | } else { | |
1131 | index->next = point; | |
1132 | index->prev = point->prev; | |
1133 | if (point->prev) | |
1134 | point->prev->next = index; | |
1135 | point->prev = index; | |
1136 | } | |
1137 | ||
1138 | /* Execute event hook. */ | |
1139 | if (route_map_master.event_hook) { | |
1140 | (*route_map_master.event_hook)(RMAP_EVENT_INDEX_ADDED, | |
1141 | map->name); | |
1142 | route_map_notify_dependencies(map->name, RMAP_EVENT_CALL_ADDED); | |
1143 | } | |
1144 | return index; | |
1145 | } | |
1146 | ||
1147 | /* Get route map index. */ | |
1148 | static struct route_map_index * | |
1149 | route_map_index_get(struct route_map *map, enum route_map_type type, int pref) | |
1150 | { | |
1151 | struct route_map_index *index; | |
1152 | ||
1153 | index = route_map_index_lookup(map, RMAP_ANY, pref); | |
1154 | if (index && index->type != type) { | |
1155 | /* Delete index from route map. */ | |
1156 | route_map_index_delete(index, 1); | |
1157 | index = NULL; | |
1158 | } | |
1159 | if (index == NULL) | |
1160 | index = route_map_index_add(map, type, pref); | |
1161 | return index; | |
1162 | } | |
1163 | ||
1164 | /* New route map rule */ | |
1165 | static struct route_map_rule *route_map_rule_new(void) | |
1166 | { | |
1167 | struct route_map_rule *new; | |
1168 | ||
1169 | new = XCALLOC(MTYPE_ROUTE_MAP_RULE, sizeof(struct route_map_rule)); | |
1170 | return new; | |
1171 | } | |
1172 | ||
1173 | /* Install rule command to the match list. */ | |
1174 | void route_map_install_match(struct route_map_rule_cmd *cmd) | |
1175 | { | |
1176 | vector_set(route_match_vec, cmd); | |
1177 | } | |
1178 | ||
1179 | /* Install rule command to the set list. */ | |
1180 | void route_map_install_set(struct route_map_rule_cmd *cmd) | |
1181 | { | |
1182 | vector_set(route_set_vec, cmd); | |
1183 | } | |
1184 | ||
1185 | /* Lookup rule command from match list. */ | |
1186 | static struct route_map_rule_cmd *route_map_lookup_match(const char *name) | |
1187 | { | |
1188 | unsigned int i; | |
1189 | struct route_map_rule_cmd *rule; | |
1190 | ||
1191 | for (i = 0; i < vector_active(route_match_vec); i++) | |
1192 | if ((rule = vector_slot(route_match_vec, i)) != NULL) | |
1193 | if (strcmp(rule->str, name) == 0) | |
1194 | return rule; | |
1195 | return NULL; | |
1196 | } | |
1197 | ||
1198 | /* Lookup rule command from set list. */ | |
1199 | static struct route_map_rule_cmd *route_map_lookup_set(const char *name) | |
1200 | { | |
1201 | unsigned int i; | |
1202 | struct route_map_rule_cmd *rule; | |
1203 | ||
1204 | for (i = 0; i < vector_active(route_set_vec); i++) | |
1205 | if ((rule = vector_slot(route_set_vec, i)) != NULL) | |
1206 | if (strcmp(rule->str, name) == 0) | |
1207 | return rule; | |
1208 | return NULL; | |
1209 | } | |
1210 | ||
1211 | /* Add match and set rule to rule list. */ | |
1212 | static void route_map_rule_add(struct route_map_rule_list *list, | |
1213 | struct route_map_rule *rule) | |
1214 | { | |
1215 | rule->next = NULL; | |
1216 | rule->prev = list->tail; | |
1217 | if (list->tail) | |
1218 | list->tail->next = rule; | |
1219 | else | |
1220 | list->head = rule; | |
1221 | list->tail = rule; | |
1222 | } | |
1223 | ||
1224 | /* Delete rule from rule list. */ | |
1225 | static void route_map_rule_delete(struct route_map_rule_list *list, | |
1226 | struct route_map_rule *rule) | |
1227 | { | |
1228 | if (rule->cmd->func_free) | |
1229 | (*rule->cmd->func_free)(rule->value); | |
1230 | ||
1231 | XFREE(MTYPE_ROUTE_MAP_RULE_STR, rule->rule_str); | |
1232 | ||
1233 | if (rule->next) | |
1234 | rule->next->prev = rule->prev; | |
1235 | else | |
1236 | list->tail = rule->prev; | |
1237 | if (rule->prev) | |
1238 | rule->prev->next = rule->next; | |
1239 | else | |
1240 | list->head = rule->next; | |
1241 | ||
1242 | XFREE(MTYPE_ROUTE_MAP_RULE, rule); | |
1243 | } | |
1244 | ||
1245 | /* strcmp wrapper function which don't crush even argument is NULL. */ | |
1246 | static int rulecmp(const char *dst, const char *src) | |
1247 | { | |
1248 | if (dst == NULL) { | |
1249 | if (src == NULL) | |
1250 | return 0; | |
1251 | else | |
1252 | return 1; | |
1253 | } else { | |
1254 | if (src == NULL) | |
1255 | return 1; | |
1256 | else | |
1257 | return strcmp(dst, src); | |
1258 | } | |
1259 | return 1; | |
1260 | } | |
1261 | ||
1262 | /* Use this to return the already specified argument for this match. This is | |
1263 | * useful to get the specified argument with a route map match rule when the | |
1264 | * rule is being deleted and the argument is not provided. | |
1265 | */ | |
1266 | const char *route_map_get_match_arg(struct route_map_index *index, | |
1267 | const char *match_name) | |
1268 | { | |
1269 | struct route_map_rule *rule; | |
1270 | struct route_map_rule_cmd *cmd; | |
1271 | ||
1272 | /* First lookup rule for add match statement. */ | |
1273 | cmd = route_map_lookup_match(match_name); | |
1274 | if (cmd == NULL) | |
1275 | return NULL; | |
1276 | ||
1277 | for (rule = index->match_list.head; rule; rule = rule->next) | |
1278 | if (rule->cmd == cmd && rule->rule_str != NULL) | |
1279 | return (rule->rule_str); | |
1280 | ||
1281 | return (NULL); | |
1282 | } | |
1283 | ||
1284 | /* Add match statement to route map. */ | |
1285 | int route_map_add_match(struct route_map_index *index, const char *match_name, | |
1286 | const char *match_arg) | |
1287 | { | |
1288 | struct route_map_rule *rule; | |
1289 | struct route_map_rule *next; | |
1290 | struct route_map_rule_cmd *cmd; | |
1291 | void *compile; | |
1292 | int replaced = 0; | |
1293 | ||
1294 | /* First lookup rule for add match statement. */ | |
1295 | cmd = route_map_lookup_match(match_name); | |
1296 | if (cmd == NULL) | |
1297 | return RMAP_RULE_MISSING; | |
1298 | ||
1299 | /* Next call compile function for this match statement. */ | |
1300 | if (cmd->func_compile) { | |
1301 | compile = (*cmd->func_compile)(match_arg); | |
1302 | if (compile == NULL) | |
1303 | return RMAP_COMPILE_ERROR; | |
1304 | } else | |
1305 | compile = NULL; | |
1306 | ||
1307 | /* If argument is completely same ignore it. */ | |
1308 | for (rule = index->match_list.head; rule; rule = next) { | |
1309 | next = rule->next; | |
1310 | if (rule->cmd == cmd) { | |
1311 | /* If the configured route-map match rule is exactly | |
1312 | * the same as the existing configuration then, | |
1313 | * ignore the duplicate configuration. | |
1314 | */ | |
1315 | if (strcmp(match_arg, rule->rule_str) == 0) { | |
1316 | if (cmd->func_free) | |
1317 | (*cmd->func_free)(compile); | |
1318 | return RMAP_COMPILE_SUCCESS; | |
1319 | } | |
1320 | ||
1321 | route_map_rule_delete(&index->match_list, rule); | |
1322 | replaced = 1; | |
1323 | } | |
1324 | } | |
1325 | ||
1326 | /* Add new route map match rule. */ | |
1327 | rule = route_map_rule_new(); | |
1328 | rule->cmd = cmd; | |
1329 | rule->value = compile; | |
1330 | if (match_arg) | |
1331 | rule->rule_str = XSTRDUP(MTYPE_ROUTE_MAP_RULE_STR, match_arg); | |
1332 | else | |
1333 | rule->rule_str = NULL; | |
1334 | ||
1335 | /* Add new route match rule to linked list. */ | |
1336 | route_map_rule_add(&index->match_list, rule); | |
1337 | ||
1338 | /* Execute event hook. */ | |
1339 | if (route_map_master.event_hook) { | |
1340 | (*route_map_master.event_hook)( | |
1341 | replaced ? RMAP_EVENT_MATCH_REPLACED | |
1342 | : RMAP_EVENT_MATCH_ADDED, | |
1343 | index->map->name); | |
1344 | route_map_notify_dependencies(index->map->name, | |
1345 | RMAP_EVENT_CALL_ADDED); | |
1346 | } | |
1347 | ||
1348 | return RMAP_COMPILE_SUCCESS; | |
1349 | } | |
1350 | ||
1351 | /* Delete specified route match rule. */ | |
1352 | int route_map_delete_match(struct route_map_index *index, | |
1353 | const char *match_name, const char *match_arg) | |
1354 | { | |
1355 | struct route_map_rule *rule; | |
1356 | struct route_map_rule_cmd *cmd; | |
1357 | ||
1358 | cmd = route_map_lookup_match(match_name); | |
1359 | if (cmd == NULL) | |
1360 | return 1; | |
1361 | ||
1362 | for (rule = index->match_list.head; rule; rule = rule->next) | |
1363 | if (rule->cmd == cmd && (rulecmp(rule->rule_str, match_arg) == 0 | |
1364 | || match_arg == NULL)) { | |
1365 | route_map_rule_delete(&index->match_list, rule); | |
1366 | /* Execute event hook. */ | |
1367 | if (route_map_master.event_hook) { | |
1368 | (*route_map_master.event_hook)( | |
1369 | RMAP_EVENT_MATCH_DELETED, | |
1370 | index->map->name); | |
1371 | route_map_notify_dependencies( | |
1372 | index->map->name, | |
1373 | RMAP_EVENT_CALL_ADDED); | |
1374 | } | |
1375 | return 0; | |
1376 | } | |
1377 | /* Can't find matched rule. */ | |
1378 | return 1; | |
1379 | } | |
1380 | ||
1381 | /* Add route-map set statement to the route map. */ | |
1382 | int route_map_add_set(struct route_map_index *index, const char *set_name, | |
1383 | const char *set_arg) | |
1384 | { | |
1385 | struct route_map_rule *rule; | |
1386 | struct route_map_rule *next; | |
1387 | struct route_map_rule_cmd *cmd; | |
1388 | void *compile; | |
1389 | int replaced = 0; | |
1390 | ||
1391 | cmd = route_map_lookup_set(set_name); | |
1392 | if (cmd == NULL) | |
1393 | return RMAP_RULE_MISSING; | |
1394 | ||
1395 | /* Next call compile function for this match statement. */ | |
1396 | if (cmd->func_compile) { | |
1397 | compile = (*cmd->func_compile)(set_arg); | |
1398 | if (compile == NULL) | |
1399 | return RMAP_COMPILE_ERROR; | |
1400 | } else | |
1401 | compile = NULL; | |
1402 | ||
1403 | /* Add by WJL. if old set command of same kind exist, delete it first | |
1404 | to ensure only one set command of same kind exist under a | |
1405 | route_map_index. */ | |
1406 | for (rule = index->set_list.head; rule; rule = next) { | |
1407 | next = rule->next; | |
1408 | if (rule->cmd == cmd) { | |
1409 | route_map_rule_delete(&index->set_list, rule); | |
1410 | replaced = 1; | |
1411 | } | |
1412 | } | |
1413 | ||
1414 | /* Add new route map match rule. */ | |
1415 | rule = route_map_rule_new(); | |
1416 | rule->cmd = cmd; | |
1417 | rule->value = compile; | |
1418 | if (set_arg) | |
1419 | rule->rule_str = XSTRDUP(MTYPE_ROUTE_MAP_RULE_STR, set_arg); | |
1420 | else | |
1421 | rule->rule_str = NULL; | |
1422 | ||
1423 | /* Add new route match rule to linked list. */ | |
1424 | route_map_rule_add(&index->set_list, rule); | |
1425 | ||
1426 | /* Execute event hook. */ | |
1427 | if (route_map_master.event_hook) { | |
1428 | (*route_map_master.event_hook)(replaced | |
1429 | ? RMAP_EVENT_SET_REPLACED | |
1430 | : RMAP_EVENT_SET_ADDED, | |
1431 | index->map->name); | |
1432 | route_map_notify_dependencies(index->map->name, | |
1433 | RMAP_EVENT_CALL_ADDED); | |
1434 | } | |
1435 | return RMAP_COMPILE_SUCCESS; | |
1436 | } | |
1437 | ||
1438 | /* Delete route map set rule. */ | |
1439 | int route_map_delete_set(struct route_map_index *index, const char *set_name, | |
1440 | const char *set_arg) | |
1441 | { | |
1442 | struct route_map_rule *rule; | |
1443 | struct route_map_rule_cmd *cmd; | |
1444 | ||
1445 | cmd = route_map_lookup_set(set_name); | |
1446 | if (cmd == NULL) | |
1447 | return 1; | |
1448 | ||
1449 | for (rule = index->set_list.head; rule; rule = rule->next) | |
1450 | if ((rule->cmd == cmd) && (rulecmp(rule->rule_str, set_arg) == 0 | |
1451 | || set_arg == NULL)) { | |
1452 | route_map_rule_delete(&index->set_list, rule); | |
1453 | /* Execute event hook. */ | |
1454 | if (route_map_master.event_hook) { | |
1455 | (*route_map_master.event_hook)( | |
1456 | RMAP_EVENT_SET_DELETED, | |
1457 | index->map->name); | |
1458 | route_map_notify_dependencies( | |
1459 | index->map->name, | |
1460 | RMAP_EVENT_CALL_ADDED); | |
1461 | } | |
1462 | return 0; | |
1463 | } | |
1464 | /* Can't find matched rule. */ | |
1465 | return 1; | |
1466 | } | |
1467 | ||
1468 | /* Apply route map's each index to the object. | |
1469 | ||
1470 | The matrix for a route-map looks like this: | |
1471 | (note, this includes the description for the "NEXT" | |
1472 | and "GOTO" frobs now | |
1473 | ||
1474 | Match | No Match | |
1475 | | | |
1476 | permit action | cont | |
1477 | | | |
1478 | ------------------+--------------- | |
1479 | | | |
1480 | deny deny | cont | |
1481 | | | |
1482 | ||
1483 | action) | |
1484 | -Apply Set statements, accept route | |
1485 | -If Call statement is present jump to the specified route-map, if it | |
1486 | denies the route we finish. | |
1487 | -If NEXT is specified, goto NEXT statement | |
1488 | -If GOTO is specified, goto the first clause where pref > nextpref | |
1489 | -If nothing is specified, do as Cisco and finish | |
1490 | deny) | |
1491 | -Route is denied by route-map. | |
1492 | cont) | |
1493 | -Goto Next index | |
1494 | ||
1495 | If we get no matches after we've processed all updates, then the route | |
1496 | is dropped too. | |
1497 | ||
1498 | Some notes on the new "CALL", "NEXT" and "GOTO" | |
1499 | call WORD - If this clause is matched, then the set statements | |
1500 | are executed and then we jump to route-map 'WORD'. If | |
1501 | this route-map denies the route, we finish, in other | |
1502 | case we | |
1503 | do whatever the exit policy (EXIT, NEXT or GOTO) tells. | |
1504 | on-match next - If this clause is matched, then the set statements | |
1505 | are executed and then we drop through to the next clause | |
1506 | on-match goto n - If this clause is matched, then the set statments | |
1507 | are executed and then we goto the nth clause, or the | |
1508 | first clause greater than this. In order to ensure | |
1509 | route-maps *always* exit, you cannot jump backwards. | |
1510 | Sorry ;) | |
1511 | ||
1512 | We need to make sure our route-map processing matches the above | |
1513 | */ | |
1514 | ||
1515 | static route_map_result_t | |
1516 | route_map_apply_match(struct route_map_rule_list *match_list, | |
1517 | const struct prefix *prefix, route_map_object_t type, | |
1518 | void *object) | |
1519 | { | |
1520 | route_map_result_t ret = RMAP_NOMATCH; | |
1521 | struct route_map_rule *match; | |
1522 | ||
1523 | ||
1524 | /* Check all match rule and if there is no match rule, go to the | |
1525 | set statement. */ | |
1526 | if (!match_list->head) | |
1527 | ret = RMAP_MATCH; | |
1528 | else { | |
1529 | for (match = match_list->head; match; match = match->next) { | |
1530 | /* Try each match statement in turn, If any do not | |
1531 | return | |
1532 | RMAP_MATCH, return, otherwise continue on to next | |
1533 | match | |
1534 | statement. All match statements must match for | |
1535 | end-result | |
1536 | to be a match. */ | |
1537 | ret = (*match->cmd->func_apply)(match->value, prefix, | |
1538 | type, object); | |
1539 | if (ret != RMAP_MATCH) | |
1540 | return ret; | |
1541 | } | |
1542 | } | |
1543 | return ret; | |
1544 | } | |
1545 | ||
1546 | /* Apply route map to the object. */ | |
1547 | route_map_result_t route_map_apply(struct route_map *map, | |
1548 | const struct prefix *prefix, | |
1549 | route_map_object_t type, void *object) | |
1550 | { | |
1551 | static int recursion = 0; | |
1552 | int ret = 0; | |
1553 | struct route_map_index *index; | |
1554 | struct route_map_rule *set; | |
1555 | ||
1556 | if (recursion > RMAP_RECURSION_LIMIT) { | |
1557 | flog_warn( | |
1558 | EC_LIB_RMAP_RECURSION_LIMIT, | |
1559 | "route-map recursion limit (%d) reached, discarding route", | |
1560 | RMAP_RECURSION_LIMIT); | |
1561 | recursion = 0; | |
1562 | return RMAP_DENYMATCH; | |
1563 | } | |
1564 | ||
1565 | if (map == NULL) | |
1566 | return RMAP_DENYMATCH; | |
1567 | ||
1568 | map->applied++; | |
1569 | for (index = map->head; index; index = index->next) { | |
1570 | /* Apply this index. */ | |
1571 | index->applied++; | |
1572 | ret = route_map_apply_match(&index->match_list, prefix, type, | |
1573 | object); | |
1574 | ||
1575 | /* Now we apply the matrix from above */ | |
1576 | if (ret == RMAP_NOMATCH) | |
1577 | /* 'cont' from matrix - continue to next route-map | |
1578 | * sequence */ | |
1579 | continue; | |
1580 | else if (ret == RMAP_MATCH) { | |
1581 | if (index->type == RMAP_PERMIT) | |
1582 | /* 'action' */ | |
1583 | { | |
1584 | /* permit+match must execute sets */ | |
1585 | for (set = index->set_list.head; set; | |
1586 | set = set->next) | |
1587 | ret = (*set->cmd->func_apply)( | |
1588 | set->value, prefix, type, | |
1589 | object); | |
1590 | ||
1591 | /* Call another route-map if available */ | |
1592 | if (index->nextrm) { | |
1593 | struct route_map *nextrm = | |
1594 | route_map_lookup_by_name( | |
1595 | index->nextrm); | |
1596 | ||
1597 | if (nextrm) /* Target route-map found, | |
1598 | jump to it */ | |
1599 | { | |
1600 | recursion++; | |
1601 | ret = route_map_apply( | |
1602 | nextrm, prefix, type, | |
1603 | object); | |
1604 | recursion--; | |
1605 | } | |
1606 | ||
1607 | /* If nextrm returned 'deny', finish. */ | |
1608 | if (ret == RMAP_DENYMATCH) | |
1609 | return ret; | |
1610 | } | |
1611 | ||
1612 | switch (index->exitpolicy) { | |
1613 | case RMAP_EXIT: | |
1614 | return ret; | |
1615 | case RMAP_NEXT: | |
1616 | continue; | |
1617 | case RMAP_GOTO: { | |
1618 | /* Find the next clause to jump to */ | |
1619 | struct route_map_index *next = | |
1620 | index->next; | |
1621 | int nextpref = index->nextpref; | |
1622 | ||
1623 | while (next && next->pref < nextpref) { | |
1624 | index = next; | |
1625 | next = next->next; | |
1626 | } | |
1627 | if (next == NULL) { | |
1628 | /* No clauses match! */ | |
1629 | return ret; | |
1630 | } | |
1631 | } | |
1632 | } | |
1633 | } else if (index->type == RMAP_DENY) | |
1634 | /* 'deny' */ | |
1635 | { | |
1636 | return RMAP_DENYMATCH; | |
1637 | } | |
1638 | } | |
1639 | } | |
1640 | /* Finally route-map does not match at all. */ | |
1641 | return RMAP_DENYMATCH; | |
1642 | } | |
1643 | ||
1644 | void route_map_add_hook(void (*func)(const char *)) | |
1645 | { | |
1646 | route_map_master.add_hook = func; | |
1647 | } | |
1648 | ||
1649 | void route_map_delete_hook(void (*func)(const char *)) | |
1650 | { | |
1651 | route_map_master.delete_hook = func; | |
1652 | } | |
1653 | ||
1654 | void route_map_event_hook(void (*func)(route_map_event_t, const char *)) | |
1655 | { | |
1656 | route_map_master.event_hook = func; | |
1657 | } | |
1658 | ||
1659 | /* Routines for route map dependency lists and dependency processing */ | |
1660 | static bool route_map_rmap_hash_cmp(const void *p1, const void *p2) | |
1661 | { | |
1662 | return (strcmp((const char *)p1, (const char *)p2) == 0); | |
1663 | } | |
1664 | ||
1665 | static bool route_map_dep_hash_cmp(const void *p1, const void *p2) | |
1666 | { | |
1667 | ||
1668 | return (strcmp(((const struct route_map_dep *)p1)->dep_name, | |
1669 | (const char *)p2) | |
1670 | == 0); | |
1671 | } | |
1672 | ||
1673 | static void route_map_clear_reference(struct hash_bucket *bucket, void *arg) | |
1674 | { | |
1675 | struct route_map_dep *dep = (struct route_map_dep *)bucket->data; | |
1676 | char *rmap_name; | |
1677 | ||
1678 | if (arg) { | |
1679 | rmap_name = | |
1680 | (char *)hash_release(dep->dep_rmap_hash, (void *)arg); | |
1681 | if (rmap_name) { | |
1682 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap_name); | |
1683 | } | |
1684 | if (!dep->dep_rmap_hash->count) { | |
1685 | dep = hash_release(dep->this_hash, | |
1686 | (void *)dep->dep_name); | |
1687 | hash_free(dep->dep_rmap_hash); | |
1688 | XFREE(MTYPE_ROUTE_MAP_NAME, dep->dep_name); | |
1689 | XFREE(MTYPE_ROUTE_MAP_DEP, dep); | |
1690 | } | |
1691 | } | |
1692 | } | |
1693 | ||
1694 | static void route_map_clear_all_references(char *rmap_name) | |
1695 | { | |
1696 | int i; | |
1697 | ||
1698 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) { | |
1699 | hash_iterate(route_map_dep_hash[i], route_map_clear_reference, | |
1700 | (void *)rmap_name); | |
1701 | } | |
1702 | } | |
1703 | ||
1704 | static void *route_map_dep_hash_alloc(void *p) | |
1705 | { | |
1706 | char *dep_name = (char *)p; | |
1707 | struct route_map_dep *dep_entry; | |
1708 | ||
1709 | dep_entry = XCALLOC(MTYPE_ROUTE_MAP_DEP, sizeof(struct route_map_dep)); | |
1710 | dep_entry->dep_name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, dep_name); | |
1711 | dep_entry->dep_rmap_hash = | |
1712 | hash_create_size(8, route_map_dep_hash_make_key, | |
1713 | route_map_rmap_hash_cmp, "Route Map Dep Hash"); | |
1714 | dep_entry->this_hash = NULL; | |
1715 | ||
1716 | return ((void *)dep_entry); | |
1717 | } | |
1718 | ||
1719 | static void *route_map_name_hash_alloc(void *p) | |
1720 | { | |
1721 | return ((void *)XSTRDUP(MTYPE_ROUTE_MAP_NAME, (const char *)p)); | |
1722 | } | |
1723 | ||
1724 | static unsigned int route_map_dep_hash_make_key(void *p) | |
1725 | { | |
1726 | return (string_hash_make((char *)p)); | |
1727 | } | |
1728 | ||
1729 | static void route_map_print_dependency(struct hash_bucket *bucket, void *data) | |
1730 | { | |
1731 | char *rmap_name = (char *)bucket->data; | |
1732 | char *dep_name = (char *)data; | |
1733 | ||
1734 | zlog_debug("%s: Dependency for %s: %s", __FUNCTION__, dep_name, | |
1735 | rmap_name); | |
1736 | } | |
1737 | ||
1738 | static int route_map_dep_update(struct hash *dephash, const char *dep_name, | |
1739 | const char *rmap_name, route_map_event_t type) | |
1740 | { | |
1741 | struct route_map_dep *dep = NULL; | |
1742 | char *ret_map_name; | |
1743 | char *dname, *rname; | |
1744 | int ret = 0; | |
1745 | ||
1746 | dname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, dep_name); | |
1747 | rname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap_name); | |
1748 | ||
1749 | switch (type) { | |
1750 | case RMAP_EVENT_PLIST_ADDED: | |
1751 | case RMAP_EVENT_CLIST_ADDED: | |
1752 | case RMAP_EVENT_ECLIST_ADDED: | |
1753 | case RMAP_EVENT_ASLIST_ADDED: | |
1754 | case RMAP_EVENT_LLIST_ADDED: | |
1755 | case RMAP_EVENT_CALL_ADDED: | |
1756 | case RMAP_EVENT_FILTER_ADDED: | |
1757 | if (rmap_debug) | |
1758 | zlog_debug("%s: Adding dependency for %s in %s", | |
1759 | __FUNCTION__, dep_name, rmap_name); | |
1760 | dep = (struct route_map_dep *)hash_get( | |
1761 | dephash, dname, route_map_dep_hash_alloc); | |
1762 | if (!dep) { | |
1763 | ret = -1; | |
1764 | goto out; | |
1765 | } | |
1766 | ||
1767 | if (!dep->this_hash) | |
1768 | dep->this_hash = dephash; | |
1769 | ||
1770 | hash_get(dep->dep_rmap_hash, rname, route_map_name_hash_alloc); | |
1771 | break; | |
1772 | case RMAP_EVENT_PLIST_DELETED: | |
1773 | case RMAP_EVENT_CLIST_DELETED: | |
1774 | case RMAP_EVENT_ECLIST_DELETED: | |
1775 | case RMAP_EVENT_ASLIST_DELETED: | |
1776 | case RMAP_EVENT_LLIST_DELETED: | |
1777 | case RMAP_EVENT_CALL_DELETED: | |
1778 | case RMAP_EVENT_FILTER_DELETED: | |
1779 | if (rmap_debug) | |
1780 | zlog_debug("%s: Deleting dependency for %s in %s", | |
1781 | __FUNCTION__, dep_name, rmap_name); | |
1782 | dep = (struct route_map_dep *)hash_get(dephash, dname, NULL); | |
1783 | if (!dep) { | |
1784 | goto out; | |
1785 | } | |
1786 | ||
1787 | ret_map_name = (char *)hash_release(dep->dep_rmap_hash, rname); | |
1788 | XFREE(MTYPE_ROUTE_MAP_NAME, ret_map_name); | |
1789 | ||
1790 | if (!dep->dep_rmap_hash->count) { | |
1791 | dep = hash_release(dephash, dname); | |
1792 | hash_free(dep->dep_rmap_hash); | |
1793 | XFREE(MTYPE_ROUTE_MAP_NAME, dep->dep_name); | |
1794 | XFREE(MTYPE_ROUTE_MAP_DEP, dep); | |
1795 | dep = NULL; | |
1796 | } | |
1797 | break; | |
1798 | default: | |
1799 | break; | |
1800 | } | |
1801 | ||
1802 | if (dep) { | |
1803 | if (rmap_debug) | |
1804 | hash_iterate(dep->dep_rmap_hash, | |
1805 | route_map_print_dependency, dname); | |
1806 | } | |
1807 | ||
1808 | out: | |
1809 | XFREE(MTYPE_ROUTE_MAP_NAME, rname); | |
1810 | XFREE(MTYPE_ROUTE_MAP_NAME, dname); | |
1811 | return ret; | |
1812 | } | |
1813 | ||
1814 | static struct hash *route_map_get_dep_hash(route_map_event_t event) | |
1815 | { | |
1816 | struct hash *upd8_hash = NULL; | |
1817 | ||
1818 | switch (event) { | |
1819 | case RMAP_EVENT_PLIST_ADDED: | |
1820 | case RMAP_EVENT_PLIST_DELETED: | |
1821 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_PLIST]; | |
1822 | break; | |
1823 | case RMAP_EVENT_CLIST_ADDED: | |
1824 | case RMAP_EVENT_CLIST_DELETED: | |
1825 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_CLIST]; | |
1826 | break; | |
1827 | case RMAP_EVENT_ECLIST_ADDED: | |
1828 | case RMAP_EVENT_ECLIST_DELETED: | |
1829 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_ECLIST]; | |
1830 | break; | |
1831 | case RMAP_EVENT_ASLIST_ADDED: | |
1832 | case RMAP_EVENT_ASLIST_DELETED: | |
1833 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_ASPATH]; | |
1834 | break; | |
1835 | case RMAP_EVENT_LLIST_ADDED: | |
1836 | case RMAP_EVENT_LLIST_DELETED: | |
1837 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_LCLIST]; | |
1838 | break; | |
1839 | case RMAP_EVENT_CALL_ADDED: | |
1840 | case RMAP_EVENT_CALL_DELETED: | |
1841 | case RMAP_EVENT_MATCH_ADDED: | |
1842 | case RMAP_EVENT_MATCH_DELETED: | |
1843 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_RMAP]; | |
1844 | break; | |
1845 | case RMAP_EVENT_FILTER_ADDED: | |
1846 | case RMAP_EVENT_FILTER_DELETED: | |
1847 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_FILTER]; | |
1848 | break; | |
1849 | default: | |
1850 | upd8_hash = NULL; | |
1851 | break; | |
1852 | } | |
1853 | return (upd8_hash); | |
1854 | } | |
1855 | ||
1856 | static void route_map_process_dependency(struct hash_bucket *bucket, void *data) | |
1857 | { | |
1858 | char *rmap_name = (char *)bucket->data; | |
1859 | route_map_event_t type = (route_map_event_t)(ptrdiff_t)data; | |
1860 | ||
1861 | if (rmap_debug) | |
1862 | zlog_debug("%s: Notifying %s of dependency", | |
1863 | __FUNCTION__, rmap_name); | |
1864 | if (route_map_master.event_hook) | |
1865 | (*route_map_master.event_hook)(type, rmap_name); | |
1866 | } | |
1867 | ||
1868 | void route_map_upd8_dependency(route_map_event_t type, const char *arg, | |
1869 | const char *rmap_name) | |
1870 | { | |
1871 | struct hash *upd8_hash = NULL; | |
1872 | ||
1873 | if ((upd8_hash = route_map_get_dep_hash(type))) { | |
1874 | route_map_dep_update(upd8_hash, arg, rmap_name, type); | |
1875 | ||
1876 | if (type == RMAP_EVENT_CALL_ADDED) { | |
1877 | /* Execute hook. */ | |
1878 | if (route_map_master.add_hook) | |
1879 | (*route_map_master.add_hook)(rmap_name); | |
1880 | } else if (type == RMAP_EVENT_CALL_DELETED) { | |
1881 | /* Execute hook. */ | |
1882 | if (route_map_master.delete_hook) | |
1883 | (*route_map_master.delete_hook)(rmap_name); | |
1884 | } | |
1885 | } | |
1886 | } | |
1887 | ||
1888 | void route_map_notify_dependencies(const char *affected_name, | |
1889 | route_map_event_t event) | |
1890 | { | |
1891 | struct route_map_dep *dep; | |
1892 | struct hash *upd8_hash; | |
1893 | char *name; | |
1894 | ||
1895 | if (!affected_name) | |
1896 | return; | |
1897 | ||
1898 | name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, affected_name); | |
1899 | ||
1900 | if ((upd8_hash = route_map_get_dep_hash(event)) == NULL) { | |
1901 | XFREE(MTYPE_ROUTE_MAP_NAME, name); | |
1902 | return; | |
1903 | } | |
1904 | ||
1905 | dep = (struct route_map_dep *)hash_get(upd8_hash, name, NULL); | |
1906 | if (dep) { | |
1907 | if (!dep->this_hash) | |
1908 | dep->this_hash = upd8_hash; | |
1909 | ||
1910 | hash_iterate(dep->dep_rmap_hash, route_map_process_dependency, | |
1911 | (void *)event); | |
1912 | } | |
1913 | ||
1914 | XFREE(MTYPE_ROUTE_MAP_NAME, name); | |
1915 | } | |
1916 | ||
1917 | ||
1918 | /* VTY related functions. */ | |
1919 | DEFUN (match_interface, | |
1920 | match_interface_cmd, | |
1921 | "match interface WORD", | |
1922 | MATCH_STR | |
1923 | "match first hop interface of route\n" | |
1924 | "Interface name\n") | |
1925 | { | |
1926 | int idx_word = 2; | |
1927 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
1928 | ||
1929 | if (rmap_match_set_hook.match_interface) | |
1930 | return rmap_match_set_hook.match_interface( | |
1931 | vty, index, "interface", argv[idx_word]->arg, | |
1932 | RMAP_EVENT_MATCH_ADDED); | |
1933 | return CMD_SUCCESS; | |
1934 | } | |
1935 | ||
1936 | DEFUN (no_match_interface, | |
1937 | no_match_interface_cmd, | |
1938 | "no match interface [WORD]", | |
1939 | NO_STR | |
1940 | MATCH_STR | |
1941 | "Match first hop interface of route\n" | |
1942 | "Interface name\n") | |
1943 | { | |
1944 | char *iface = (argc == 4) ? argv[3]->arg : NULL; | |
1945 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
1946 | ||
1947 | if (rmap_match_set_hook.no_match_interface) | |
1948 | return rmap_match_set_hook.no_match_interface( | |
1949 | vty, index, "interface", iface, | |
1950 | RMAP_EVENT_MATCH_DELETED); | |
1951 | return CMD_SUCCESS; | |
1952 | } | |
1953 | ||
1954 | ||
1955 | DEFUN (match_ip_address, | |
1956 | match_ip_address_cmd, | |
1957 | "match ip address <(1-199)|(1300-2699)|WORD>", | |
1958 | MATCH_STR | |
1959 | IP_STR | |
1960 | "Match address of route\n" | |
1961 | "IP access-list number\n" | |
1962 | "IP access-list number (expanded range)\n" | |
1963 | "IP Access-list name\n") | |
1964 | { | |
1965 | int idx_acl = 3; | |
1966 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
1967 | ||
1968 | if (rmap_match_set_hook.match_ip_address) | |
1969 | return rmap_match_set_hook.match_ip_address( | |
1970 | vty, index, "ip address", argv[idx_acl]->arg, | |
1971 | RMAP_EVENT_FILTER_ADDED); | |
1972 | return CMD_SUCCESS; | |
1973 | } | |
1974 | ||
1975 | ||
1976 | DEFUN (no_match_ip_address, | |
1977 | no_match_ip_address_cmd, | |
1978 | "no match ip address [<(1-199)|(1300-2699)|WORD>]", | |
1979 | NO_STR | |
1980 | MATCH_STR | |
1981 | IP_STR | |
1982 | "Match address of route\n" | |
1983 | "IP access-list number\n" | |
1984 | "IP access-list number (expanded range)\n" | |
1985 | "IP Access-list name\n") | |
1986 | { | |
1987 | int idx_word = 4; | |
1988 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
1989 | ||
1990 | if (rmap_match_set_hook.no_match_ip_address) { | |
1991 | if (argc <= idx_word) | |
1992 | return rmap_match_set_hook.no_match_ip_address( | |
1993 | vty, index, "ip address", NULL, | |
1994 | RMAP_EVENT_FILTER_DELETED); | |
1995 | return rmap_match_set_hook.no_match_ip_address( | |
1996 | vty, index, "ip address", argv[idx_word]->arg, | |
1997 | RMAP_EVENT_FILTER_DELETED); | |
1998 | } | |
1999 | return CMD_SUCCESS; | |
2000 | } | |
2001 | ||
2002 | ||
2003 | DEFUN (match_ip_address_prefix_list, | |
2004 | match_ip_address_prefix_list_cmd, | |
2005 | "match ip address prefix-list WORD", | |
2006 | MATCH_STR | |
2007 | IP_STR | |
2008 | "Match address of route\n" | |
2009 | "Match entries of prefix-lists\n" | |
2010 | "IP prefix-list name\n") | |
2011 | { | |
2012 | int idx_word = 4; | |
2013 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2014 | ||
2015 | if (rmap_match_set_hook.match_ip_address_prefix_list) | |
2016 | return rmap_match_set_hook.match_ip_address_prefix_list( | |
2017 | vty, index, "ip address prefix-list", | |
2018 | argv[idx_word]->arg, RMAP_EVENT_PLIST_ADDED); | |
2019 | return CMD_SUCCESS; | |
2020 | } | |
2021 | ||
2022 | ||
2023 | DEFUN (no_match_ip_address_prefix_list, | |
2024 | no_match_ip_address_prefix_list_cmd, | |
2025 | "no match ip address prefix-list [WORD]", | |
2026 | NO_STR | |
2027 | MATCH_STR | |
2028 | IP_STR | |
2029 | "Match address of route\n" | |
2030 | "Match entries of prefix-lists\n" | |
2031 | "IP prefix-list name\n") | |
2032 | { | |
2033 | int idx_word = 5; | |
2034 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2035 | ||
2036 | if (rmap_match_set_hook.no_match_ip_address_prefix_list) { | |
2037 | if (argc <= idx_word) | |
2038 | return rmap_match_set_hook | |
2039 | .no_match_ip_address_prefix_list( | |
2040 | vty, index, "ip address prefix-list", | |
2041 | NULL, RMAP_EVENT_PLIST_DELETED); | |
2042 | return rmap_match_set_hook.no_match_ip_address_prefix_list( | |
2043 | vty, index, "ip address prefix-list", | |
2044 | argv[idx_word]->arg, RMAP_EVENT_PLIST_DELETED); | |
2045 | } | |
2046 | return CMD_SUCCESS; | |
2047 | } | |
2048 | ||
2049 | ||
2050 | DEFUN (match_ip_next_hop, | |
2051 | match_ip_next_hop_cmd, | |
2052 | "match ip next-hop <(1-199)|(1300-2699)|WORD>", | |
2053 | MATCH_STR | |
2054 | IP_STR | |
2055 | "Match next-hop address of route\n" | |
2056 | "IP access-list number\n" | |
2057 | "IP access-list number (expanded range)\n" | |
2058 | "IP Access-list name\n") | |
2059 | { | |
2060 | int idx_acl = 3; | |
2061 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2062 | ||
2063 | if (rmap_match_set_hook.match_ip_next_hop) | |
2064 | return rmap_match_set_hook.match_ip_next_hop( | |
2065 | vty, index, "ip next-hop", argv[idx_acl]->arg, | |
2066 | RMAP_EVENT_FILTER_ADDED); | |
2067 | return CMD_SUCCESS; | |
2068 | } | |
2069 | ||
2070 | ||
2071 | DEFUN (no_match_ip_next_hop, | |
2072 | no_match_ip_next_hop_cmd, | |
2073 | "no match ip next-hop [<(1-199)|(1300-2699)|WORD>]", | |
2074 | NO_STR | |
2075 | MATCH_STR | |
2076 | IP_STR | |
2077 | "Match next-hop address of route\n" | |
2078 | "IP access-list number\n" | |
2079 | "IP access-list number (expanded range)\n" | |
2080 | "IP Access-list name\n") | |
2081 | { | |
2082 | int idx_word = 4; | |
2083 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2084 | ||
2085 | if (rmap_match_set_hook.no_match_ip_next_hop) { | |
2086 | if (argc <= idx_word) | |
2087 | return rmap_match_set_hook.no_match_ip_next_hop( | |
2088 | vty, index, "ip next-hop", NULL, | |
2089 | RMAP_EVENT_FILTER_DELETED); | |
2090 | return rmap_match_set_hook.no_match_ip_next_hop( | |
2091 | vty, index, "ip next-hop", argv[idx_word]->arg, | |
2092 | RMAP_EVENT_FILTER_DELETED); | |
2093 | } | |
2094 | return CMD_SUCCESS; | |
2095 | } | |
2096 | ||
2097 | ||
2098 | DEFUN (match_ip_next_hop_prefix_list, | |
2099 | match_ip_next_hop_prefix_list_cmd, | |
2100 | "match ip next-hop prefix-list WORD", | |
2101 | MATCH_STR | |
2102 | IP_STR | |
2103 | "Match next-hop address of route\n" | |
2104 | "Match entries of prefix-lists\n" | |
2105 | "IP prefix-list name\n") | |
2106 | { | |
2107 | int idx_word = 4; | |
2108 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2109 | ||
2110 | if (rmap_match_set_hook.match_ip_next_hop_prefix_list) | |
2111 | return rmap_match_set_hook.match_ip_next_hop_prefix_list( | |
2112 | vty, index, "ip next-hop prefix-list", | |
2113 | argv[idx_word]->arg, RMAP_EVENT_PLIST_ADDED); | |
2114 | return CMD_SUCCESS; | |
2115 | } | |
2116 | ||
2117 | DEFUN (no_match_ip_next_hop_prefix_list, | |
2118 | no_match_ip_next_hop_prefix_list_cmd, | |
2119 | "no match ip next-hop prefix-list [WORD]", | |
2120 | NO_STR | |
2121 | MATCH_STR | |
2122 | IP_STR | |
2123 | "Match next-hop address of route\n" | |
2124 | "Match entries of prefix-lists\n" | |
2125 | "IP prefix-list name\n") | |
2126 | { | |
2127 | int idx_word = 5; | |
2128 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2129 | ||
2130 | if (rmap_match_set_hook.no_match_ip_next_hop) { | |
2131 | if (argc <= idx_word) | |
2132 | return rmap_match_set_hook.no_match_ip_next_hop( | |
2133 | vty, index, "ip next-hop prefix-list", NULL, | |
2134 | RMAP_EVENT_PLIST_DELETED); | |
2135 | return rmap_match_set_hook.no_match_ip_next_hop( | |
2136 | vty, index, "ip next-hop prefix-list", | |
2137 | argv[idx_word]->arg, RMAP_EVENT_PLIST_DELETED); | |
2138 | } | |
2139 | return CMD_SUCCESS; | |
2140 | } | |
2141 | ||
2142 | DEFUN(match_ip_next_hop_type, match_ip_next_hop_type_cmd, | |
2143 | "match ip next-hop type <blackhole>", | |
2144 | MATCH_STR IP_STR | |
2145 | "Match next-hop address of route\n" | |
2146 | "Match entries by type\n" | |
2147 | "Blackhole\n") | |
2148 | { | |
2149 | int idx_word = 4; | |
2150 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2151 | ||
2152 | if (rmap_match_set_hook.match_ip_next_hop_type) | |
2153 | return rmap_match_set_hook.match_ip_next_hop_type( | |
2154 | vty, index, "ip next-hop type", argv[idx_word]->arg, | |
2155 | RMAP_EVENT_MATCH_ADDED); | |
2156 | return CMD_SUCCESS; | |
2157 | } | |
2158 | ||
2159 | DEFUN(no_match_ip_next_hop_type, no_match_ip_next_hop_type_cmd, | |
2160 | "no match ip next-hop type [<blackhole>]", | |
2161 | NO_STR MATCH_STR IP_STR | |
2162 | "Match next-hop address of route\n" | |
2163 | "Match entries by type\n" | |
2164 | "Blackhole\n") | |
2165 | { | |
2166 | int idx_word = 5; | |
2167 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2168 | ||
2169 | if (rmap_match_set_hook.no_match_ip_next_hop) { | |
2170 | if (argc <= idx_word) | |
2171 | return rmap_match_set_hook.no_match_ip_next_hop( | |
2172 | vty, index, "ip next-hop type", NULL, | |
2173 | RMAP_EVENT_MATCH_DELETED); | |
2174 | return rmap_match_set_hook.no_match_ip_next_hop( | |
2175 | vty, index, "ip next-hop type", argv[idx_word]->arg, | |
2176 | RMAP_EVENT_MATCH_DELETED); | |
2177 | } | |
2178 | return CMD_SUCCESS; | |
2179 | } | |
2180 | ||
2181 | ||
2182 | DEFUN (match_ipv6_address, | |
2183 | match_ipv6_address_cmd, | |
2184 | "match ipv6 address WORD", | |
2185 | MATCH_STR | |
2186 | IPV6_STR | |
2187 | "Match IPv6 address of route\n" | |
2188 | "IPv6 access-list name\n") | |
2189 | { | |
2190 | int idx_word = 3; | |
2191 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2192 | ||
2193 | if (rmap_match_set_hook.match_ipv6_address) | |
2194 | return rmap_match_set_hook.match_ipv6_address( | |
2195 | vty, index, "ipv6 address", argv[idx_word]->arg, | |
2196 | RMAP_EVENT_FILTER_ADDED); | |
2197 | return CMD_SUCCESS; | |
2198 | } | |
2199 | ||
2200 | DEFUN (no_match_ipv6_address, | |
2201 | no_match_ipv6_address_cmd, | |
2202 | "no match ipv6 address WORD", | |
2203 | NO_STR | |
2204 | MATCH_STR | |
2205 | IPV6_STR | |
2206 | "Match IPv6 address of route\n" | |
2207 | "IPv6 access-list name\n") | |
2208 | { | |
2209 | int idx_word = 4; | |
2210 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2211 | ||
2212 | if (rmap_match_set_hook.no_match_ipv6_address) | |
2213 | return rmap_match_set_hook.no_match_ipv6_address( | |
2214 | vty, index, "ipv6 address", argv[idx_word]->arg, | |
2215 | RMAP_EVENT_FILTER_DELETED); | |
2216 | return CMD_SUCCESS; | |
2217 | } | |
2218 | ||
2219 | ||
2220 | DEFUN (match_ipv6_address_prefix_list, | |
2221 | match_ipv6_address_prefix_list_cmd, | |
2222 | "match ipv6 address prefix-list WORD", | |
2223 | MATCH_STR | |
2224 | IPV6_STR | |
2225 | "Match address of route\n" | |
2226 | "Match entries of prefix-lists\n" | |
2227 | "IP prefix-list name\n") | |
2228 | { | |
2229 | int idx_word = 4; | |
2230 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2231 | ||
2232 | if (rmap_match_set_hook.match_ipv6_address_prefix_list) | |
2233 | return rmap_match_set_hook.match_ipv6_address_prefix_list( | |
2234 | vty, index, "ipv6 address prefix-list", | |
2235 | argv[idx_word]->arg, RMAP_EVENT_PLIST_ADDED); | |
2236 | return CMD_SUCCESS; | |
2237 | } | |
2238 | ||
2239 | DEFUN (no_match_ipv6_address_prefix_list, | |
2240 | no_match_ipv6_address_prefix_list_cmd, | |
2241 | "no match ipv6 address prefix-list WORD", | |
2242 | NO_STR | |
2243 | MATCH_STR | |
2244 | IPV6_STR | |
2245 | "Match address of route\n" | |
2246 | "Match entries of prefix-lists\n" | |
2247 | "IP prefix-list name\n") | |
2248 | { | |
2249 | int idx_word = 5; | |
2250 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2251 | ||
2252 | if (rmap_match_set_hook.no_match_ipv6_address_prefix_list) | |
2253 | return rmap_match_set_hook.no_match_ipv6_address_prefix_list( | |
2254 | vty, index, "ipv6 address prefix-list", | |
2255 | argv[idx_word]->arg, RMAP_EVENT_PLIST_DELETED); | |
2256 | return CMD_SUCCESS; | |
2257 | } | |
2258 | ||
2259 | DEFUN(match_ipv6_next_hop_type, match_ipv6_next_hop_type_cmd, | |
2260 | "match ipv6 next-hop type <blackhole>", | |
2261 | MATCH_STR IPV6_STR | |
2262 | "Match next-hop address of route\n" | |
2263 | "Match entries by type\n" | |
2264 | "Blackhole\n") | |
2265 | { | |
2266 | int idx_word = 4; | |
2267 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2268 | ||
2269 | if (rmap_match_set_hook.match_ipv6_next_hop_type) | |
2270 | return rmap_match_set_hook.match_ipv6_next_hop_type( | |
2271 | vty, index, "ipv6 next-hop type", argv[idx_word]->arg, | |
2272 | RMAP_EVENT_MATCH_ADDED); | |
2273 | return CMD_SUCCESS; | |
2274 | } | |
2275 | ||
2276 | DEFUN(no_match_ipv6_next_hop_type, no_match_ipv6_next_hop_type_cmd, | |
2277 | "no match ipv6 next-hop type [<blackhole>]", | |
2278 | NO_STR MATCH_STR IPV6_STR | |
2279 | "Match address of route\n" | |
2280 | "Match entries by type\n" | |
2281 | "Blackhole\n") | |
2282 | { | |
2283 | int idx_word = 5; | |
2284 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2285 | ||
2286 | if (rmap_match_set_hook.no_match_ipv6_next_hop_type) | |
2287 | return rmap_match_set_hook.no_match_ipv6_next_hop_type( | |
2288 | vty, index, "ipv6 next-hop type", | |
2289 | (argc <= idx_word) ? NULL : argv[idx_word]->arg, | |
2290 | RMAP_EVENT_MATCH_DELETED); | |
2291 | return CMD_SUCCESS; | |
2292 | } | |
2293 | ||
2294 | DEFUN (match_metric, | |
2295 | match_metric_cmd, | |
2296 | "match metric (0-4294967295)", | |
2297 | MATCH_STR | |
2298 | "Match metric of route\n" | |
2299 | "Metric value\n") | |
2300 | { | |
2301 | int idx_number = 2; | |
2302 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2303 | ||
2304 | if (rmap_match_set_hook.match_metric) | |
2305 | return rmap_match_set_hook.match_metric(vty, index, "metric", | |
2306 | argv[idx_number]->arg, | |
2307 | RMAP_EVENT_MATCH_ADDED); | |
2308 | return CMD_SUCCESS; | |
2309 | } | |
2310 | ||
2311 | ||
2312 | DEFUN (no_match_metric, | |
2313 | no_match_metric_cmd, | |
2314 | "no match metric [(0-4294967295)]", | |
2315 | NO_STR | |
2316 | MATCH_STR | |
2317 | "Match metric of route\n" | |
2318 | "Metric value\n") | |
2319 | { | |
2320 | int idx_number = 3; | |
2321 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2322 | ||
2323 | if (rmap_match_set_hook.no_match_metric) { | |
2324 | if (argc <= idx_number) | |
2325 | return rmap_match_set_hook.no_match_metric( | |
2326 | vty, index, "metric", NULL, | |
2327 | RMAP_EVENT_MATCH_DELETED); | |
2328 | return rmap_match_set_hook.no_match_metric( | |
2329 | vty, index, "metric", argv[idx_number]->arg, | |
2330 | RMAP_EVENT_MATCH_DELETED); | |
2331 | } | |
2332 | return CMD_SUCCESS; | |
2333 | } | |
2334 | ||
2335 | ||
2336 | DEFUN (match_tag, | |
2337 | match_tag_cmd, | |
2338 | "match tag (1-4294967295)", | |
2339 | MATCH_STR | |
2340 | "Match tag of route\n" | |
2341 | "Tag value\n") | |
2342 | { | |
2343 | int idx_number = 2; | |
2344 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2345 | ||
2346 | if (rmap_match_set_hook.match_tag) | |
2347 | return rmap_match_set_hook.match_tag(vty, index, "tag", | |
2348 | argv[idx_number]->arg, | |
2349 | RMAP_EVENT_MATCH_ADDED); | |
2350 | return CMD_SUCCESS; | |
2351 | } | |
2352 | ||
2353 | ||
2354 | DEFUN (no_match_tag, | |
2355 | no_match_tag_cmd, | |
2356 | "no match tag [(1-4294967295)]", | |
2357 | NO_STR | |
2358 | MATCH_STR | |
2359 | "Match tag of route\n" | |
2360 | "Tag value\n") | |
2361 | { | |
2362 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2363 | ||
2364 | int idx = 0; | |
2365 | char *arg = argv_find(argv, argc, "(1-4294967295)", &idx) | |
2366 | ? argv[idx]->arg | |
2367 | : NULL; | |
2368 | ||
2369 | if (rmap_match_set_hook.no_match_tag) | |
2370 | return rmap_match_set_hook.no_match_tag( | |
2371 | vty, index, "tag", arg, RMAP_EVENT_MATCH_DELETED); | |
2372 | return CMD_SUCCESS; | |
2373 | } | |
2374 | ||
2375 | ||
2376 | DEFUN (set_ip_nexthop, | |
2377 | set_ip_nexthop_cmd, | |
2378 | "set ip next-hop A.B.C.D", | |
2379 | SET_STR | |
2380 | IP_STR | |
2381 | "Next hop address\n" | |
2382 | "IP address of next hop\n") | |
2383 | { | |
2384 | int idx_ipv4 = 3; | |
2385 | union sockunion su; | |
2386 | int ret; | |
2387 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2388 | ||
2389 | ret = str2sockunion(argv[idx_ipv4]->arg, &su); | |
2390 | if (ret < 0) { | |
2391 | vty_out(vty, "%% Malformed nexthop address\n"); | |
2392 | return CMD_WARNING_CONFIG_FAILED; | |
2393 | } | |
2394 | if (su.sin.sin_addr.s_addr == 0 | |
2395 | || IPV4_CLASS_DE(ntohl(su.sin.sin_addr.s_addr))) { | |
2396 | vty_out(vty, | |
2397 | "%% nexthop address cannot be 0.0.0.0, multicast or reserved\n"); | |
2398 | return CMD_WARNING_CONFIG_FAILED; | |
2399 | } | |
2400 | ||
2401 | if (rmap_match_set_hook.set_ip_nexthop) | |
2402 | return rmap_match_set_hook.set_ip_nexthop( | |
2403 | vty, index, "ip next-hop", argv[idx_ipv4]->arg); | |
2404 | return CMD_SUCCESS; | |
2405 | } | |
2406 | ||
2407 | ||
2408 | DEFUN (no_set_ip_nexthop, | |
2409 | no_set_ip_nexthop_cmd, | |
2410 | "no set ip next-hop [A.B.C.D]", | |
2411 | NO_STR | |
2412 | SET_STR | |
2413 | IP_STR | |
2414 | "Next hop address\n" | |
2415 | "IP address of next hop\n") | |
2416 | { | |
2417 | int idx = 0; | |
2418 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2419 | const char *arg = NULL; | |
2420 | ||
2421 | if (argv_find(argv, argc, "A.B.C.D", &idx)) | |
2422 | arg = argv[idx]->arg; | |
2423 | ||
2424 | if (rmap_match_set_hook.no_set_ip_nexthop) | |
2425 | return rmap_match_set_hook.no_set_ip_nexthop( | |
2426 | vty, index, "ip next-hop", arg); | |
2427 | ||
2428 | return CMD_SUCCESS; | |
2429 | } | |
2430 | ||
2431 | ||
2432 | DEFUN (set_ipv6_nexthop_local, | |
2433 | set_ipv6_nexthop_local_cmd, | |
2434 | "set ipv6 next-hop local X:X::X:X", | |
2435 | SET_STR | |
2436 | IPV6_STR | |
2437 | "IPv6 next-hop address\n" | |
2438 | "IPv6 local address\n" | |
2439 | "IPv6 address of next hop\n") | |
2440 | { | |
2441 | int idx_ipv6 = 4; | |
2442 | struct in6_addr addr; | |
2443 | int ret; | |
2444 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2445 | ||
2446 | ret = inet_pton(AF_INET6, argv[idx_ipv6]->arg, &addr); | |
2447 | if (!ret) { | |
2448 | vty_out(vty, "%% Malformed nexthop address\n"); | |
2449 | return CMD_WARNING_CONFIG_FAILED; | |
2450 | } | |
2451 | if (!IN6_IS_ADDR_LINKLOCAL(&addr)) { | |
2452 | vty_out(vty, "%% Invalid link-local nexthop address\n"); | |
2453 | return CMD_WARNING_CONFIG_FAILED; | |
2454 | } | |
2455 | ||
2456 | if (rmap_match_set_hook.set_ipv6_nexthop_local) | |
2457 | return rmap_match_set_hook.set_ipv6_nexthop_local( | |
2458 | vty, index, "ipv6 next-hop local", argv[idx_ipv6]->arg); | |
2459 | return CMD_SUCCESS; | |
2460 | } | |
2461 | ||
2462 | ||
2463 | DEFUN (no_set_ipv6_nexthop_local, | |
2464 | no_set_ipv6_nexthop_local_cmd, | |
2465 | "no set ipv6 next-hop local [X:X::X:X]", | |
2466 | NO_STR | |
2467 | SET_STR | |
2468 | IPV6_STR | |
2469 | "IPv6 next-hop address\n" | |
2470 | "IPv6 local address\n" | |
2471 | "IPv6 address of next hop\n") | |
2472 | { | |
2473 | int idx_ipv6 = 5; | |
2474 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2475 | ||
2476 | if (rmap_match_set_hook.no_set_ipv6_nexthop_local) { | |
2477 | if (argc <= idx_ipv6) | |
2478 | return rmap_match_set_hook.no_set_ipv6_nexthop_local( | |
2479 | vty, index, "ipv6 next-hop local", NULL); | |
2480 | return rmap_match_set_hook.no_set_ipv6_nexthop_local( | |
2481 | vty, index, "ipv6 next-hop local", argv[5]->arg); | |
2482 | } | |
2483 | return CMD_SUCCESS; | |
2484 | } | |
2485 | ||
2486 | DEFUN (set_metric, | |
2487 | set_metric_cmd, | |
2488 | "set metric <(0-4294967295)|rtt|+rtt|-rtt|+metric|-metric>", | |
2489 | SET_STR | |
2490 | "Metric value for destination routing protocol\n" | |
2491 | "Metric value\n" | |
2492 | "Assign round trip time\n" | |
2493 | "Add round trip time\n" | |
2494 | "Subtract round trip time\n" | |
2495 | "Add metric\n" | |
2496 | "Subtract metric\n") | |
2497 | { | |
2498 | int idx_number = 2; | |
2499 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2500 | ||
2501 | const char *pass = (argv[idx_number]->type == RANGE_TKN) | |
2502 | ? argv[idx_number]->arg | |
2503 | : argv[idx_number]->text; | |
2504 | ||
2505 | if (rmap_match_set_hook.set_metric) | |
2506 | return rmap_match_set_hook.set_metric(vty, index, "metric", | |
2507 | pass); | |
2508 | return CMD_SUCCESS; | |
2509 | } | |
2510 | ||
2511 | ||
2512 | DEFUN (no_set_metric, | |
2513 | no_set_metric_cmd, | |
2514 | "no set metric [(0-4294967295)]", | |
2515 | NO_STR | |
2516 | SET_STR | |
2517 | "Metric value for destination routing protocol\n" | |
2518 | "Metric value\n") | |
2519 | { | |
2520 | int idx_number = 3; | |
2521 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2522 | ||
2523 | if (rmap_match_set_hook.no_set_metric) { | |
2524 | if (argc <= idx_number) | |
2525 | return rmap_match_set_hook.no_set_metric( | |
2526 | vty, index, "metric", NULL); | |
2527 | return rmap_match_set_hook.no_set_metric(vty, index, "metric", | |
2528 | argv[idx_number]->arg); | |
2529 | } | |
2530 | return CMD_SUCCESS; | |
2531 | } | |
2532 | ||
2533 | ||
2534 | DEFUN (set_tag, | |
2535 | set_tag_cmd, | |
2536 | "set tag (1-4294967295)", | |
2537 | SET_STR | |
2538 | "Tag value for routing protocol\n" | |
2539 | "Tag value\n") | |
2540 | { | |
2541 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2542 | ||
2543 | int idx_number = 2; | |
2544 | if (rmap_match_set_hook.set_tag) | |
2545 | return rmap_match_set_hook.set_tag(vty, index, "tag", | |
2546 | argv[idx_number]->arg); | |
2547 | return CMD_SUCCESS; | |
2548 | } | |
2549 | ||
2550 | ||
2551 | DEFUN (no_set_tag, | |
2552 | no_set_tag_cmd, | |
2553 | "no set tag [(1-4294967295)]", | |
2554 | NO_STR | |
2555 | SET_STR | |
2556 | "Tag value for routing protocol\n" | |
2557 | "Tag value\n") | |
2558 | { | |
2559 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2560 | ||
2561 | int idx_number = 3; | |
2562 | if (rmap_match_set_hook.no_set_tag) { | |
2563 | if (argc <= idx_number) | |
2564 | return rmap_match_set_hook.no_set_tag(vty, index, "tag", | |
2565 | NULL); | |
2566 | return rmap_match_set_hook.no_set_tag(vty, index, "tag", | |
2567 | argv[idx_number]->arg); | |
2568 | } | |
2569 | return CMD_SUCCESS; | |
2570 | } | |
2571 | ||
2572 | ||
2573 | DEFUN_NOSH (route_map, | |
2574 | route_map_cmd, | |
2575 | "route-map WORD <deny|permit> (1-65535)", | |
2576 | "Create route-map or enter route-map command mode\n" | |
2577 | "Route map tag\n" | |
2578 | "Route map denies set operations\n" | |
2579 | "Route map permits set operations\n" | |
2580 | "Sequence to insert to/delete from existing route-map entry\n") | |
2581 | { | |
2582 | int idx_word = 1; | |
2583 | int idx_permit_deny = 2; | |
2584 | int idx_number = 3; | |
2585 | struct route_map *map; | |
2586 | struct route_map_index *index; | |
2587 | char *endptr = NULL; | |
2588 | int permit = | |
2589 | argv[idx_permit_deny]->arg[0] == 'p' ? RMAP_PERMIT : RMAP_DENY; | |
2590 | unsigned long pref = strtoul(argv[idx_number]->arg, &endptr, 10); | |
2591 | const char *mapname = argv[idx_word]->arg; | |
2592 | ||
2593 | /* Get route map. */ | |
2594 | map = route_map_get(mapname); | |
2595 | index = route_map_index_get(map, permit, pref); | |
2596 | ||
2597 | VTY_PUSH_CONTEXT(RMAP_NODE, index); | |
2598 | return CMD_SUCCESS; | |
2599 | } | |
2600 | ||
2601 | DEFUN (no_route_map_all, | |
2602 | no_route_map_all_cmd, | |
2603 | "no route-map WORD", | |
2604 | NO_STR | |
2605 | "Create route-map or enter route-map command mode\n" | |
2606 | "Route map tag\n") | |
2607 | { | |
2608 | int idx_word = 2; | |
2609 | const char *mapname = argv[idx_word]->arg; | |
2610 | struct route_map *map; | |
2611 | ||
2612 | map = route_map_lookup_by_name(mapname); | |
2613 | if (map == NULL) { | |
2614 | vty_out(vty, "%% Could not find route-map %s\n", mapname); | |
2615 | return CMD_WARNING_CONFIG_FAILED; | |
2616 | } | |
2617 | ||
2618 | route_map_delete(map); | |
2619 | ||
2620 | return CMD_SUCCESS; | |
2621 | } | |
2622 | ||
2623 | DEFUN (no_route_map, | |
2624 | no_route_map_cmd, | |
2625 | "no route-map WORD <deny|permit> (1-65535)", | |
2626 | NO_STR | |
2627 | "Create route-map or enter route-map command mode\n" | |
2628 | "Route map tag\n" | |
2629 | "Route map denies set operations\n" | |
2630 | "Route map permits set operations\n" | |
2631 | "Sequence to insert to/delete from existing route-map entry\n") | |
2632 | { | |
2633 | int idx_word = 2; | |
2634 | int idx_permit_deny = 3; | |
2635 | int idx_number = 4; | |
2636 | struct route_map *map; | |
2637 | struct route_map_index *index; | |
2638 | char *endptr = NULL; | |
2639 | int permit = strmatch(argv[idx_permit_deny]->text, "permit") | |
2640 | ? RMAP_PERMIT | |
2641 | : RMAP_DENY; | |
2642 | const char *prefstr = argv[idx_number]->arg; | |
2643 | const char *mapname = argv[idx_word]->arg; | |
2644 | unsigned long pref = strtoul(prefstr, &endptr, 10); | |
2645 | ||
2646 | /* Existence check. */ | |
2647 | map = route_map_lookup_by_name(mapname); | |
2648 | if (map == NULL) { | |
2649 | vty_out(vty, "%% Could not find route-map %s\n", mapname); | |
2650 | return CMD_WARNING_CONFIG_FAILED; | |
2651 | } | |
2652 | ||
2653 | /* Lookup route map index. */ | |
2654 | index = route_map_index_lookup(map, permit, pref); | |
2655 | if (index == NULL) { | |
2656 | vty_out(vty, "%% Could not find route-map entry %s %s\n", | |
2657 | mapname, prefstr); | |
2658 | return CMD_WARNING_CONFIG_FAILED; | |
2659 | } | |
2660 | ||
2661 | /* Delete index from route map. */ | |
2662 | route_map_index_delete(index, 1); | |
2663 | ||
2664 | /* If this route rule is the last one, delete route map itself. */ | |
2665 | if (route_map_empty(map)) | |
2666 | route_map_delete(map); | |
2667 | ||
2668 | return CMD_SUCCESS; | |
2669 | } | |
2670 | ||
2671 | DEFUN (rmap_onmatch_next, | |
2672 | rmap_onmatch_next_cmd, | |
2673 | "on-match next", | |
2674 | "Exit policy on matches\n" | |
2675 | "Next clause\n") | |
2676 | { | |
2677 | struct route_map_index *index = VTY_GET_CONTEXT(route_map_index); | |
2678 | ||
2679 | if (index) { | |
2680 | if (index->type == RMAP_DENY) { | |
2681 | /* Under a deny clause, match means it's finished. No | |
2682 | * need to set next */ | |
2683 | vty_out(vty, | |
2684 | "on-match next not supported under route-map deny\n"); | |
2685 | return CMD_WARNING_CONFIG_FAILED; | |
2686 | } | |
2687 | index->exitpolicy = RMAP_NEXT; | |
2688 | } | |
2689 | return CMD_SUCCESS; | |
2690 | } | |
2691 | ||
2692 | DEFUN (no_rmap_onmatch_next, | |
2693 | no_rmap_onmatch_next_cmd, | |
2694 | "no on-match next", | |
2695 | NO_STR | |
2696 | "Exit policy on matches\n" | |
2697 | "Next clause\n") | |
2698 | { | |
2699 | struct route_map_index *index = VTY_GET_CONTEXT(route_map_index); | |
2700 | ||
2701 | if (index) | |
2702 | index->exitpolicy = RMAP_EXIT; | |
2703 | ||
2704 | return CMD_SUCCESS; | |
2705 | } | |
2706 | ||
2707 | DEFUN (rmap_onmatch_goto, | |
2708 | rmap_onmatch_goto_cmd, | |
2709 | "on-match goto (1-65535)", | |
2710 | "Exit policy on matches\n" | |
2711 | "Goto Clause number\n" | |
2712 | "Number\n") | |
2713 | { | |
2714 | int idx = 0; | |
2715 | char *num = argv_find(argv, argc, "(1-65535)", &idx) ? argv[idx]->arg | |
2716 | : NULL; | |
2717 | ||
2718 | struct route_map_index *index = VTY_GET_CONTEXT(route_map_index); | |
2719 | int d = 0; | |
2720 | ||
2721 | if (index) { | |
2722 | if (index->type == RMAP_DENY) { | |
2723 | /* Under a deny clause, match means it's finished. No | |
2724 | * need to go anywhere */ | |
2725 | vty_out(vty, | |
2726 | "on-match goto not supported under route-map deny\n"); | |
2727 | return CMD_WARNING_CONFIG_FAILED; | |
2728 | } | |
2729 | ||
2730 | if (num) | |
2731 | d = strtoul(num, NULL, 10); | |
2732 | else | |
2733 | d = index->pref + 1; | |
2734 | ||
2735 | if (d <= index->pref) { | |
2736 | /* Can't allow you to do that, Dave */ | |
2737 | vty_out(vty, "can't jump backwards in route-maps\n"); | |
2738 | return CMD_WARNING_CONFIG_FAILED; | |
2739 | } else { | |
2740 | index->exitpolicy = RMAP_GOTO; | |
2741 | index->nextpref = d; | |
2742 | } | |
2743 | } | |
2744 | return CMD_SUCCESS; | |
2745 | } | |
2746 | ||
2747 | DEFUN (no_rmap_onmatch_goto, | |
2748 | no_rmap_onmatch_goto_cmd, | |
2749 | "no on-match goto", | |
2750 | NO_STR | |
2751 | "Exit policy on matches\n" | |
2752 | "Goto Clause number\n") | |
2753 | { | |
2754 | struct route_map_index *index = VTY_GET_CONTEXT(route_map_index); | |
2755 | ||
2756 | if (index) | |
2757 | index->exitpolicy = RMAP_EXIT; | |
2758 | ||
2759 | return CMD_SUCCESS; | |
2760 | } | |
2761 | ||
2762 | /* Cisco/GNU Zebra compatibility aliases */ | |
2763 | /* ALIAS_FIXME */ | |
2764 | DEFUN (rmap_continue, | |
2765 | rmap_continue_cmd, | |
2766 | "continue (1-65535)", | |
2767 | "Continue on a different entry within the route-map\n" | |
2768 | "Route-map entry sequence number\n") | |
2769 | { | |
2770 | return rmap_onmatch_goto(self, vty, argc, argv); | |
2771 | } | |
2772 | ||
2773 | /* ALIAS_FIXME */ | |
2774 | DEFUN (no_rmap_continue, | |
2775 | no_rmap_continue_cmd, | |
2776 | "no continue [(1-65535)]", | |
2777 | NO_STR | |
2778 | "Continue on a different entry within the route-map\n" | |
2779 | "Route-map entry sequence number\n") | |
2780 | { | |
2781 | return no_rmap_onmatch_goto(self, vty, argc, argv); | |
2782 | } | |
2783 | ||
2784 | ||
2785 | DEFUN (rmap_show_name, | |
2786 | rmap_show_name_cmd, | |
2787 | "show route-map [WORD]", | |
2788 | SHOW_STR | |
2789 | "route-map information\n" | |
2790 | "route-map name\n") | |
2791 | { | |
2792 | int idx_word = 2; | |
2793 | const char *name = (argc == 3) ? argv[idx_word]->arg : NULL; | |
2794 | return vty_show_route_map(vty, name); | |
2795 | } | |
2796 | ||
2797 | DEFUN (rmap_show_unused, | |
2798 | rmap_show_unused_cmd, | |
2799 | "show route-map-unused", | |
2800 | SHOW_STR | |
2801 | "unused route-map information\n") | |
2802 | { | |
2803 | return vty_show_unused_route_map(vty); | |
2804 | } | |
2805 | ||
2806 | DEFUN (rmap_call, | |
2807 | rmap_call_cmd, | |
2808 | "call WORD", | |
2809 | "Jump to another Route-Map after match+set\n" | |
2810 | "Target route-map name\n") | |
2811 | { | |
2812 | int idx_word = 1; | |
2813 | struct route_map_index *index = VTY_GET_CONTEXT(route_map_index); | |
2814 | const char *rmap = argv[idx_word]->arg; | |
2815 | ||
2816 | assert(index); | |
2817 | ||
2818 | /* If "call" is invoked with the same route-map name as | |
2819 | * the one previously configured then, ignore the duplicate | |
2820 | * configuration. | |
2821 | */ | |
2822 | if (index->nextrm && (strcmp(index->nextrm, rmap) == 0)) | |
2823 | return CMD_SUCCESS; | |
2824 | ||
2825 | if (index->nextrm) { | |
2826 | route_map_upd8_dependency(RMAP_EVENT_CALL_DELETED, | |
2827 | index->nextrm, index->map->name); | |
2828 | XFREE(MTYPE_ROUTE_MAP_NAME, index->nextrm); | |
2829 | } | |
2830 | index->nextrm = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
2831 | ||
2832 | /* Execute event hook. */ | |
2833 | route_map_upd8_dependency(RMAP_EVENT_CALL_ADDED, index->nextrm, | |
2834 | index->map->name); | |
2835 | return CMD_SUCCESS; | |
2836 | } | |
2837 | ||
2838 | DEFUN (no_rmap_call, | |
2839 | no_rmap_call_cmd, | |
2840 | "no call", | |
2841 | NO_STR | |
2842 | "Jump to another Route-Map after match+set\n") | |
2843 | { | |
2844 | struct route_map_index *index = VTY_GET_CONTEXT(route_map_index); | |
2845 | ||
2846 | if (index->nextrm) { | |
2847 | route_map_upd8_dependency(RMAP_EVENT_CALL_DELETED, | |
2848 | index->nextrm, index->map->name); | |
2849 | XFREE(MTYPE_ROUTE_MAP_NAME, index->nextrm); | |
2850 | index->nextrm = NULL; | |
2851 | } | |
2852 | ||
2853 | return CMD_SUCCESS; | |
2854 | } | |
2855 | ||
2856 | DEFUN (rmap_description, | |
2857 | rmap_description_cmd, | |
2858 | "description LINE...", | |
2859 | "Route-map comment\n" | |
2860 | "Comment describing this route-map rule\n") | |
2861 | { | |
2862 | int idx_line = 1; | |
2863 | struct route_map_index *index = VTY_GET_CONTEXT(route_map_index); | |
2864 | ||
2865 | if (index) { | |
2866 | if (index->description) | |
2867 | XFREE(MTYPE_TMP, index->description); | |
2868 | index->description = argv_concat(argv, argc, idx_line); | |
2869 | } | |
2870 | return CMD_SUCCESS; | |
2871 | } | |
2872 | ||
2873 | DEFUN (no_rmap_description, | |
2874 | no_rmap_description_cmd, | |
2875 | "no description", | |
2876 | NO_STR | |
2877 | "Route-map comment\n") | |
2878 | { | |
2879 | struct route_map_index *index = VTY_GET_CONTEXT(route_map_index); | |
2880 | ||
2881 | if (index) { | |
2882 | if (index->description) | |
2883 | XFREE(MTYPE_TMP, index->description); | |
2884 | index->description = NULL; | |
2885 | } | |
2886 | return CMD_SUCCESS; | |
2887 | } | |
2888 | ||
2889 | /* Configuration write function. */ | |
2890 | static int route_map_config_write(struct vty *vty) | |
2891 | { | |
2892 | struct route_map *map; | |
2893 | struct route_map_index *index; | |
2894 | struct route_map_rule *rule; | |
2895 | int first = 1; | |
2896 | int write = 0; | |
2897 | ||
2898 | for (map = route_map_master.head; map; map = map->next) | |
2899 | for (index = map->head; index; index = index->next) { | |
2900 | if (!first) | |
2901 | vty_out(vty, "!\n"); | |
2902 | else | |
2903 | first = 0; | |
2904 | ||
2905 | vty_out(vty, "route-map %s %s %d\n", map->name, | |
2906 | route_map_type_str(index->type), index->pref); | |
2907 | ||
2908 | if (index->description) | |
2909 | vty_out(vty, " description %s\n", | |
2910 | index->description); | |
2911 | ||
2912 | for (rule = index->match_list.head; rule; | |
2913 | rule = rule->next) | |
2914 | vty_out(vty, " match %s %s\n", rule->cmd->str, | |
2915 | rule->rule_str ? rule->rule_str : ""); | |
2916 | ||
2917 | for (rule = index->set_list.head; rule; | |
2918 | rule = rule->next) | |
2919 | vty_out(vty, " set %s %s\n", rule->cmd->str, | |
2920 | rule->rule_str ? rule->rule_str : ""); | |
2921 | if (index->nextrm) | |
2922 | vty_out(vty, " call %s\n", index->nextrm); | |
2923 | if (index->exitpolicy == RMAP_GOTO) | |
2924 | vty_out(vty, " on-match goto %d\n", | |
2925 | index->nextpref); | |
2926 | if (index->exitpolicy == RMAP_NEXT) | |
2927 | vty_out(vty, " on-match next\n"); | |
2928 | ||
2929 | write++; | |
2930 | } | |
2931 | return write; | |
2932 | } | |
2933 | ||
2934 | /* Route map node structure. */ | |
2935 | static struct cmd_node rmap_node = {RMAP_NODE, "%s(config-route-map)# ", 1}; | |
2936 | ||
2937 | /* Common route map rules */ | |
2938 | ||
2939 | void *route_map_rule_tag_compile(const char *arg) | |
2940 | { | |
2941 | unsigned long int tmp; | |
2942 | char *endptr; | |
2943 | route_tag_t *tag; | |
2944 | ||
2945 | errno = 0; | |
2946 | tmp = strtoul(arg, &endptr, 0); | |
2947 | if (arg[0] == '\0' || *endptr != '\0' || errno || tmp > ROUTE_TAG_MAX) | |
2948 | return NULL; | |
2949 | ||
2950 | tag = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(*tag)); | |
2951 | *tag = tmp; | |
2952 | ||
2953 | return tag; | |
2954 | } | |
2955 | ||
2956 | void route_map_rule_tag_free(void *rule) | |
2957 | { | |
2958 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); | |
2959 | } | |
2960 | ||
2961 | void route_map_finish(void) | |
2962 | { | |
2963 | int i; | |
2964 | ||
2965 | vector_free(route_match_vec); | |
2966 | route_match_vec = NULL; | |
2967 | vector_free(route_set_vec); | |
2968 | route_set_vec = NULL; | |
2969 | ||
2970 | /* | |
2971 | * All protocols are setting these to NULL | |
2972 | * by default on shutdown( route_map_finish ) | |
2973 | * Why are we making them do this work? | |
2974 | */ | |
2975 | route_map_master.add_hook = NULL; | |
2976 | route_map_master.delete_hook = NULL; | |
2977 | route_map_master.event_hook = NULL; | |
2978 | ||
2979 | /* cleanup route_map */ | |
2980 | while (route_map_master.head) { | |
2981 | struct route_map *map = route_map_master.head; | |
2982 | map->to_be_processed = false; | |
2983 | route_map_delete(map); | |
2984 | } | |
2985 | ||
2986 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) { | |
2987 | hash_free(route_map_dep_hash[i]); | |
2988 | route_map_dep_hash[i] = NULL; | |
2989 | } | |
2990 | ||
2991 | hash_free(route_map_master_hash); | |
2992 | route_map_master_hash = NULL; | |
2993 | } | |
2994 | ||
2995 | static void rmap_autocomplete(vector comps, struct cmd_token *token) | |
2996 | { | |
2997 | struct route_map *map; | |
2998 | ||
2999 | for (map = route_map_master.head; map; map = map->next) | |
3000 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, map->name)); | |
3001 | } | |
3002 | ||
3003 | /* Increment the use_count counter while attaching the route map */ | |
3004 | void route_map_counter_increment(struct route_map *map) | |
3005 | { | |
3006 | if (map) | |
3007 | map->use_count++; | |
3008 | } | |
3009 | ||
3010 | /* Decrement the use_count counter while detaching the route map. */ | |
3011 | void route_map_counter_decrement(struct route_map *map) | |
3012 | { | |
3013 | if (map) { | |
3014 | if (map->use_count <= 0) | |
3015 | return; | |
3016 | map->use_count--; | |
3017 | } | |
3018 | } | |
3019 | ||
3020 | static const struct cmd_variable_handler rmap_var_handlers[] = { | |
3021 | {/* "route-map WORD" */ | |
3022 | .varname = "route_map", | |
3023 | .completions = rmap_autocomplete}, | |
3024 | {.tokenname = "ROUTEMAP_NAME", .completions = rmap_autocomplete}, | |
3025 | {.tokenname = "RMAP_NAME", .completions = rmap_autocomplete}, | |
3026 | {.completions = NULL}}; | |
3027 | ||
3028 | /* Initialization of route map vector. */ | |
3029 | void route_map_init(void) | |
3030 | { | |
3031 | int i; | |
3032 | ||
3033 | /* Make vector for match and set. */ | |
3034 | route_match_vec = vector_init(1); | |
3035 | route_set_vec = vector_init(1); | |
3036 | route_map_master_hash = | |
3037 | hash_create_size(8, route_map_hash_key_make, route_map_hash_cmp, | |
3038 | "Route Map Master Hash"); | |
3039 | ||
3040 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) | |
3041 | route_map_dep_hash[i] = hash_create_size( | |
3042 | 8, route_map_dep_hash_make_key, route_map_dep_hash_cmp, | |
3043 | "Route Map Dep Hash"); | |
3044 | ||
3045 | cmd_variable_handler_register(rmap_var_handlers); | |
3046 | ||
3047 | /* Install route map top node. */ | |
3048 | install_node(&rmap_node, route_map_config_write); | |
3049 | ||
3050 | /* Install route map commands. */ | |
3051 | install_default(RMAP_NODE); | |
3052 | install_element(CONFIG_NODE, &route_map_cmd); | |
3053 | install_element(CONFIG_NODE, &no_route_map_cmd); | |
3054 | install_element(CONFIG_NODE, &no_route_map_all_cmd); | |
3055 | ||
3056 | /* Install the on-match stuff */ | |
3057 | install_element(RMAP_NODE, &route_map_cmd); | |
3058 | install_element(RMAP_NODE, &rmap_onmatch_next_cmd); | |
3059 | install_element(RMAP_NODE, &no_rmap_onmatch_next_cmd); | |
3060 | install_element(RMAP_NODE, &rmap_onmatch_goto_cmd); | |
3061 | install_element(RMAP_NODE, &no_rmap_onmatch_goto_cmd); | |
3062 | install_element(RMAP_NODE, &rmap_continue_cmd); | |
3063 | install_element(RMAP_NODE, &no_rmap_continue_cmd); | |
3064 | ||
3065 | /* Install the continue stuff (ALIAS of on-match). */ | |
3066 | ||
3067 | /* Install the call stuff. */ | |
3068 | install_element(RMAP_NODE, &rmap_call_cmd); | |
3069 | install_element(RMAP_NODE, &no_rmap_call_cmd); | |
3070 | ||
3071 | /* Install description commands. */ | |
3072 | install_element(RMAP_NODE, &rmap_description_cmd); | |
3073 | install_element(RMAP_NODE, &no_rmap_description_cmd); | |
3074 | ||
3075 | /* Install show command */ | |
3076 | install_element(ENABLE_NODE, &rmap_show_name_cmd); | |
3077 | install_element(ENABLE_NODE, &rmap_show_unused_cmd); | |
3078 | ||
3079 | install_element(RMAP_NODE, &match_interface_cmd); | |
3080 | install_element(RMAP_NODE, &no_match_interface_cmd); | |
3081 | ||
3082 | install_element(RMAP_NODE, &match_ip_address_cmd); | |
3083 | install_element(RMAP_NODE, &no_match_ip_address_cmd); | |
3084 | ||
3085 | install_element(RMAP_NODE, &match_ip_address_prefix_list_cmd); | |
3086 | install_element(RMAP_NODE, &no_match_ip_address_prefix_list_cmd); | |
3087 | ||
3088 | install_element(RMAP_NODE, &match_ip_next_hop_cmd); | |
3089 | install_element(RMAP_NODE, &no_match_ip_next_hop_cmd); | |
3090 | ||
3091 | install_element(RMAP_NODE, &match_ip_next_hop_prefix_list_cmd); | |
3092 | install_element(RMAP_NODE, &no_match_ip_next_hop_prefix_list_cmd); | |
3093 | ||
3094 | install_element(RMAP_NODE, &match_ip_next_hop_type_cmd); | |
3095 | install_element(RMAP_NODE, &no_match_ip_next_hop_type_cmd); | |
3096 | ||
3097 | install_element(RMAP_NODE, &match_ipv6_address_cmd); | |
3098 | install_element(RMAP_NODE, &no_match_ipv6_address_cmd); | |
3099 | ||
3100 | install_element(RMAP_NODE, &match_ipv6_address_prefix_list_cmd); | |
3101 | install_element(RMAP_NODE, &no_match_ipv6_address_prefix_list_cmd); | |
3102 | ||
3103 | install_element(RMAP_NODE, &match_ipv6_next_hop_type_cmd); | |
3104 | install_element(RMAP_NODE, &no_match_ipv6_next_hop_type_cmd); | |
3105 | ||
3106 | install_element(RMAP_NODE, &match_metric_cmd); | |
3107 | install_element(RMAP_NODE, &no_match_metric_cmd); | |
3108 | ||
3109 | install_element(RMAP_NODE, &match_tag_cmd); | |
3110 | install_element(RMAP_NODE, &no_match_tag_cmd); | |
3111 | ||
3112 | install_element(RMAP_NODE, &set_ip_nexthop_cmd); | |
3113 | install_element(RMAP_NODE, &no_set_ip_nexthop_cmd); | |
3114 | ||
3115 | install_element(RMAP_NODE, &set_ipv6_nexthop_local_cmd); | |
3116 | install_element(RMAP_NODE, &no_set_ipv6_nexthop_local_cmd); | |
3117 | ||
3118 | install_element(RMAP_NODE, &set_metric_cmd); | |
3119 | install_element(RMAP_NODE, &no_set_metric_cmd); | |
3120 | ||
3121 | install_element(RMAP_NODE, &set_tag_cmd); | |
3122 | install_element(RMAP_NODE, &no_set_tag_cmd); | |
3123 | } |