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Commit | Line | Data |
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718e3744 | 1 | /* Route map function. |
896014f4 DL |
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 | */ | |
718e3744 | 20 | |
21 | #include <zebra.h> | |
22 | ||
23 | #include "linklist.h" | |
24 | #include "memory.h" | |
25 | #include "vector.h" | |
26 | #include "prefix.h" | |
82f97584 | 27 | #include "vty.h" |
718e3744 | 28 | #include "routemap.h" |
29 | #include "command.h" | |
fee0f4c6 | 30 | #include "log.h" |
518f0eb1 | 31 | #include "hash.h" |
b85120bc | 32 | #include "libfrr.h" |
040c7c3a | 33 | #include "lib_errors.h" |
6b0655a2 | 34 | |
d62a17ae | 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") | |
4a1ab8e4 | 39 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_RULE_STR, "Route map rule str") |
d62a17ae | 40 | DEFINE_MTYPE(LIB, ROUTE_MAP_COMPILED, "Route map compiled") |
41 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_DEP, "Route map dependency") | |
e2c8d6ce | 42 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_DEP_DATA, "Route map dependency data") |
4a1ab8e4 | 43 | |
e80e7cce DL |
44 | DEFINE_QOBJ_TYPE(route_map_index) |
45 | DEFINE_QOBJ_TYPE(route_map) | |
46 | ||
718e3744 | 47 | /* Vector for route match rules. */ |
48 | static vector route_match_vec; | |
49 | ||
50 | /* Vector for route set rules. */ | |
51 | static vector route_set_vec; | |
52 | ||
a7282663 | 53 | struct route_map_match_set_hooks rmap_match_set_hook; |
82f97584 DW |
54 | |
55 | /* match interface */ | |
d62a17ae | 56 | void route_map_match_interface_hook(int (*func)( |
57 | struct vty *vty, struct route_map_index *index, const char *command, | |
58 | const char *arg, route_map_event_t type)) | |
82f97584 | 59 | { |
d62a17ae | 60 | rmap_match_set_hook.match_interface = func; |
82f97584 DW |
61 | } |
62 | ||
63 | /* no match interface */ | |
d62a17ae | 64 | void route_map_no_match_interface_hook(int (*func)( |
65 | struct vty *vty, struct route_map_index *index, const char *command, | |
66 | const char *arg, route_map_event_t type)) | |
82f97584 | 67 | { |
d62a17ae | 68 | rmap_match_set_hook.no_match_interface = func; |
82f97584 DW |
69 | } |
70 | ||
71 | /* match ip address */ | |
d62a17ae | 72 | void route_map_match_ip_address_hook(int (*func)( |
73 | struct vty *vty, struct route_map_index *index, const char *command, | |
74 | const char *arg, route_map_event_t type)) | |
82f97584 | 75 | { |
d62a17ae | 76 | rmap_match_set_hook.match_ip_address = func; |
82f97584 DW |
77 | } |
78 | ||
79 | /* no match ip address */ | |
d62a17ae | 80 | void route_map_no_match_ip_address_hook(int (*func)( |
81 | struct vty *vty, struct route_map_index *index, const char *command, | |
82 | const char *arg, route_map_event_t type)) | |
82f97584 | 83 | { |
d62a17ae | 84 | rmap_match_set_hook.no_match_ip_address = func; |
82f97584 DW |
85 | } |
86 | ||
87 | /* match ip address prefix list */ | |
d62a17ae | 88 | void route_map_match_ip_address_prefix_list_hook(int (*func)( |
89 | struct vty *vty, struct route_map_index *index, const char *command, | |
90 | const char *arg, route_map_event_t type)) | |
82f97584 | 91 | { |
d62a17ae | 92 | rmap_match_set_hook.match_ip_address_prefix_list = func; |
82f97584 DW |
93 | } |
94 | ||
95 | /* no match ip address prefix list */ | |
d62a17ae | 96 | void route_map_no_match_ip_address_prefix_list_hook(int (*func)( |
97 | struct vty *vty, struct route_map_index *index, const char *command, | |
98 | const char *arg, route_map_event_t type)) | |
82f97584 | 99 | { |
d62a17ae | 100 | rmap_match_set_hook.no_match_ip_address_prefix_list = func; |
82f97584 DW |
101 | } |
102 | ||
103 | /* match ip next hop */ | |
d62a17ae | 104 | void route_map_match_ip_next_hop_hook(int (*func)( |
105 | struct vty *vty, struct route_map_index *index, const char *command, | |
106 | const char *arg, route_map_event_t type)) | |
82f97584 | 107 | { |
d62a17ae | 108 | rmap_match_set_hook.match_ip_next_hop = func; |
82f97584 DW |
109 | } |
110 | ||
111 | /* no match ip next hop */ | |
d62a17ae | 112 | void route_map_no_match_ip_next_hop_hook(int (*func)( |
113 | struct vty *vty, struct route_map_index *index, const char *command, | |
114 | const char *arg, route_map_event_t type)) | |
82f97584 | 115 | { |
d62a17ae | 116 | rmap_match_set_hook.no_match_ip_next_hop = func; |
82f97584 DW |
117 | } |
118 | ||
119 | /* match ip next hop prefix list */ | |
d62a17ae | 120 | void route_map_match_ip_next_hop_prefix_list_hook(int (*func)( |
121 | struct vty *vty, struct route_map_index *index, const char *command, | |
122 | const char *arg, route_map_event_t type)) | |
82f97584 | 123 | { |
d62a17ae | 124 | rmap_match_set_hook.match_ip_next_hop_prefix_list = func; |
82f97584 DW |
125 | } |
126 | ||
127 | /* no match ip next hop prefix list */ | |
d62a17ae | 128 | void route_map_no_match_ip_next_hop_prefix_list_hook(int (*func)( |
129 | struct vty *vty, struct route_map_index *index, const char *command, | |
130 | const char *arg, route_map_event_t type)) | |
82f97584 | 131 | { |
d62a17ae | 132 | rmap_match_set_hook.no_match_ip_next_hop_prefix_list = func; |
82f97584 DW |
133 | } |
134 | ||
f554fda7 | 135 | /* match ip next-hop type */ |
61ad901e DA |
136 | void route_map_match_ip_next_hop_type_hook(int (*func)( |
137 | struct vty *vty, struct route_map_index *index, const char *command, | |
138 | const char *arg, route_map_event_t type)) | |
139 | { | |
140 | rmap_match_set_hook.match_ip_next_hop_type = func; | |
141 | } | |
142 | ||
f554fda7 | 143 | /* no match ip next-hop type */ |
61ad901e DA |
144 | void route_map_no_match_ip_next_hop_type_hook(int (*func)( |
145 | struct vty *vty, struct route_map_index *index, const char *command, | |
146 | const char *arg, route_map_event_t type)) | |
147 | { | |
148 | rmap_match_set_hook.no_match_ip_next_hop_type = func; | |
149 | } | |
150 | ||
82f97584 | 151 | /* match ipv6 address */ |
d62a17ae | 152 | void route_map_match_ipv6_address_hook(int (*func)( |
153 | struct vty *vty, struct route_map_index *index, const char *command, | |
154 | const char *arg, route_map_event_t type)) | |
82f97584 | 155 | { |
d62a17ae | 156 | rmap_match_set_hook.match_ipv6_address = func; |
82f97584 DW |
157 | } |
158 | ||
159 | /* no match ipv6 address */ | |
d62a17ae | 160 | void route_map_no_match_ipv6_address_hook(int (*func)( |
161 | struct vty *vty, struct route_map_index *index, const char *command, | |
162 | const char *arg, route_map_event_t type)) | |
82f97584 | 163 | { |
d62a17ae | 164 | rmap_match_set_hook.no_match_ipv6_address = func; |
82f97584 DW |
165 | } |
166 | ||
167 | ||
168 | /* match ipv6 address prefix list */ | |
d62a17ae | 169 | void route_map_match_ipv6_address_prefix_list_hook(int (*func)( |
170 | struct vty *vty, struct route_map_index *index, const char *command, | |
171 | const char *arg, route_map_event_t type)) | |
82f97584 | 172 | { |
d62a17ae | 173 | rmap_match_set_hook.match_ipv6_address_prefix_list = func; |
82f97584 DW |
174 | } |
175 | ||
176 | /* no match ipv6 address prefix list */ | |
d62a17ae | 177 | void route_map_no_match_ipv6_address_prefix_list_hook(int (*func)( |
178 | struct vty *vty, struct route_map_index *index, const char *command, | |
179 | const char *arg, route_map_event_t type)) | |
82f97584 | 180 | { |
d62a17ae | 181 | rmap_match_set_hook.no_match_ipv6_address_prefix_list = func; |
82f97584 DW |
182 | } |
183 | ||
61ad901e DA |
184 | /* match ipv6 next-hop type */ |
185 | void route_map_match_ipv6_next_hop_type_hook(int (*func)( | |
186 | struct vty *vty, struct route_map_index *index, const char *command, | |
187 | const char *arg, route_map_event_t type)) | |
188 | { | |
189 | rmap_match_set_hook.match_ipv6_next_hop_type = func; | |
190 | } | |
191 | ||
192 | /* no match ipv6 next-hop type */ | |
193 | void route_map_no_match_ipv6_next_hop_type_hook(int (*func)( | |
194 | struct vty *vty, struct route_map_index *index, const char *command, | |
195 | const char *arg, route_map_event_t type)) | |
196 | { | |
197 | rmap_match_set_hook.no_match_ipv6_next_hop_type = func; | |
198 | } | |
199 | ||
82f97584 | 200 | /* match metric */ |
d62a17ae | 201 | void route_map_match_metric_hook(int (*func)( |
202 | struct vty *vty, struct route_map_index *index, const char *command, | |
203 | const char *arg, route_map_event_t type)) | |
82f97584 | 204 | { |
d62a17ae | 205 | rmap_match_set_hook.match_metric = func; |
82f97584 DW |
206 | } |
207 | ||
208 | /* no match metric */ | |
d62a17ae | 209 | void route_map_no_match_metric_hook(int (*func)( |
210 | struct vty *vty, struct route_map_index *index, const char *command, | |
211 | const char *arg, route_map_event_t type)) | |
82f97584 | 212 | { |
d62a17ae | 213 | rmap_match_set_hook.no_match_metric = func; |
82f97584 DW |
214 | } |
215 | ||
216 | /* match tag */ | |
d62a17ae | 217 | void route_map_match_tag_hook(int (*func)(struct vty *vty, |
218 | struct route_map_index *index, | |
219 | const char *command, const char *arg, | |
220 | route_map_event_t type)) | |
82f97584 | 221 | { |
d62a17ae | 222 | rmap_match_set_hook.match_tag = func; |
82f97584 DW |
223 | } |
224 | ||
225 | /* no match tag */ | |
d62a17ae | 226 | void route_map_no_match_tag_hook(int (*func)( |
227 | struct vty *vty, struct route_map_index *index, const char *command, | |
228 | const char *arg, route_map_event_t type)) | |
82f97584 | 229 | { |
d62a17ae | 230 | rmap_match_set_hook.no_match_tag = func; |
82f97584 DW |
231 | } |
232 | ||
233 | /* set ip nexthop */ | |
d62a17ae | 234 | void route_map_set_ip_nexthop_hook(int (*func)(struct vty *vty, |
235 | struct route_map_index *index, | |
236 | const char *command, | |
237 | const char *arg)) | |
82f97584 | 238 | { |
d62a17ae | 239 | rmap_match_set_hook.set_ip_nexthop = func; |
82f97584 DW |
240 | } |
241 | ||
242 | /* no set ip nexthop */ | |
d62a17ae | 243 | void route_map_no_set_ip_nexthop_hook(int (*func)(struct vty *vty, |
244 | struct route_map_index *index, | |
245 | const char *command, | |
246 | const char *arg)) | |
82f97584 | 247 | { |
d62a17ae | 248 | rmap_match_set_hook.no_set_ip_nexthop = func; |
82f97584 DW |
249 | } |
250 | ||
251 | /* set ipv6 nexthop local */ | |
d62a17ae | 252 | void route_map_set_ipv6_nexthop_local_hook( |
253 | int (*func)(struct vty *vty, struct route_map_index *index, | |
254 | const char *command, const char *arg)) | |
82f97584 | 255 | { |
d62a17ae | 256 | rmap_match_set_hook.set_ipv6_nexthop_local = func; |
82f97584 DW |
257 | } |
258 | ||
259 | /* no set ipv6 nexthop local */ | |
d62a17ae | 260 | void route_map_no_set_ipv6_nexthop_local_hook( |
261 | int (*func)(struct vty *vty, struct route_map_index *index, | |
262 | const char *command, const char *arg)) | |
82f97584 | 263 | { |
d62a17ae | 264 | rmap_match_set_hook.no_set_ipv6_nexthop_local = func; |
82f97584 DW |
265 | } |
266 | ||
267 | /* set metric */ | |
d62a17ae | 268 | void route_map_set_metric_hook(int (*func)(struct vty *vty, |
269 | struct route_map_index *index, | |
270 | const char *command, | |
271 | const char *arg)) | |
82f97584 | 272 | { |
d62a17ae | 273 | rmap_match_set_hook.set_metric = func; |
82f97584 DW |
274 | } |
275 | ||
276 | /* no set metric */ | |
d62a17ae | 277 | void route_map_no_set_metric_hook(int (*func)(struct vty *vty, |
278 | struct route_map_index *index, | |
279 | const char *command, | |
280 | const char *arg)) | |
82f97584 | 281 | { |
d62a17ae | 282 | rmap_match_set_hook.no_set_metric = func; |
82f97584 DW |
283 | } |
284 | ||
285 | /* set tag */ | |
d62a17ae | 286 | void route_map_set_tag_hook(int (*func)(struct vty *vty, |
287 | struct route_map_index *index, | |
288 | const char *command, const char *arg)) | |
82f97584 | 289 | { |
d62a17ae | 290 | rmap_match_set_hook.set_tag = func; |
82f97584 DW |
291 | } |
292 | ||
293 | /* no set tag */ | |
d62a17ae | 294 | void route_map_no_set_tag_hook(int (*func)(struct vty *vty, |
295 | struct route_map_index *index, | |
296 | const char *command, | |
297 | const char *arg)) | |
298 | { | |
299 | rmap_match_set_hook.no_set_tag = func; | |
82f97584 DW |
300 | } |
301 | ||
d62a17ae | 302 | int generic_match_add(struct vty *vty, struct route_map_index *index, |
303 | const char *command, const char *arg, | |
304 | route_map_event_t type) | |
305 | { | |
cda7187d | 306 | enum rmap_compile_rets ret; |
d62a17ae | 307 | |
e2c8d6ce | 308 | ret = route_map_add_match(index, command, arg, type); |
9ca25fed | 309 | switch (ret) { |
9ca25fed | 310 | case RMAP_RULE_MISSING: |
996c9314 | 311 | vty_out(vty, "%% [%s] Can't find rule.\n", frr_protonameinst); |
9ca25fed DS |
312 | return CMD_WARNING_CONFIG_FAILED; |
313 | break; | |
314 | case RMAP_COMPILE_ERROR: | |
315 | vty_out(vty, | |
316 | "%% [%s] Argument form is unsupported or malformed.\n", | |
317 | frr_protonameinst); | |
318 | return CMD_WARNING_CONFIG_FAILED; | |
319 | break; | |
909f3d56 | 320 | case RMAP_COMPILE_SUCCESS: |
cda7187d DS |
321 | /* |
322 | * Nothing to do here move along | |
323 | */ | |
324 | break; | |
d62a17ae | 325 | } |
82f97584 | 326 | |
d62a17ae | 327 | return CMD_SUCCESS; |
328 | } | |
329 | ||
330 | int generic_match_delete(struct vty *vty, struct route_map_index *index, | |
331 | const char *command, const char *arg, | |
332 | route_map_event_t type) | |
333 | { | |
cda7187d | 334 | enum rmap_compile_rets ret; |
9ca25fed | 335 | int retval = CMD_SUCCESS; |
d62a17ae | 336 | char *dep_name = NULL; |
337 | const char *tmpstr; | |
338 | char *rmap_name = NULL; | |
339 | ||
340 | if (type != RMAP_EVENT_MATCH_DELETED) { | |
341 | /* ignore the mundane, the types without any dependency */ | |
342 | if (arg == NULL) { | |
343 | if ((tmpstr = route_map_get_match_arg(index, command)) | |
344 | != NULL) | |
345 | dep_name = | |
346 | XSTRDUP(MTYPE_ROUTE_MAP_RULE, tmpstr); | |
347 | } else { | |
348 | dep_name = XSTRDUP(MTYPE_ROUTE_MAP_RULE, arg); | |
349 | } | |
350 | rmap_name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, index->map->name); | |
351 | } | |
352 | ||
909f3d56 | 353 | ret = route_map_delete_match(index, command, dep_name, type); |
9ca25fed DS |
354 | switch (ret) { |
355 | case RMAP_RULE_MISSING: | |
996c9314 | 356 | vty_out(vty, "%% [%s] Can't find rule.\n", frr_protonameinst); |
9ca25fed DS |
357 | retval = CMD_WARNING_CONFIG_FAILED; |
358 | break; | |
359 | case RMAP_COMPILE_ERROR: | |
360 | vty_out(vty, | |
361 | "%% [%s] Argument form is unsupported or malformed.\n", | |
362 | frr_protonameinst); | |
363 | retval = CMD_WARNING_CONFIG_FAILED; | |
364 | break; | |
365 | case RMAP_COMPILE_SUCCESS: | |
cda7187d DS |
366 | /* |
367 | * Nothing to do here | |
368 | */ | |
369 | break; | |
d62a17ae | 370 | } |
371 | ||
0a22ddfb QY |
372 | XFREE(MTYPE_ROUTE_MAP_RULE, dep_name); |
373 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap_name); | |
d62a17ae | 374 | |
9ca25fed | 375 | return retval; |
d62a17ae | 376 | } |
377 | ||
378 | int generic_set_add(struct vty *vty, struct route_map_index *index, | |
379 | const char *command, const char *arg) | |
718e3744 | 380 | { |
cda7187d | 381 | enum rmap_compile_rets ret; |
d62a17ae | 382 | |
383 | ret = route_map_add_set(index, command, arg); | |
9ca25fed DS |
384 | switch (ret) { |
385 | case RMAP_RULE_MISSING: | |
996c9314 | 386 | vty_out(vty, "%% [%s] Can't find rule.\n", frr_protonameinst); |
9ca25fed DS |
387 | return CMD_WARNING_CONFIG_FAILED; |
388 | break; | |
389 | case RMAP_COMPILE_ERROR: | |
390 | vty_out(vty, | |
391 | "%% [%s] Argument form is unsupported or malformed.\n", | |
392 | frr_protonameinst); | |
393 | return CMD_WARNING_CONFIG_FAILED; | |
394 | break; | |
395 | case RMAP_COMPILE_SUCCESS: | |
396 | break; | |
d62a17ae | 397 | } |
9ca25fed | 398 | |
d62a17ae | 399 | return CMD_SUCCESS; |
400 | } | |
401 | ||
402 | int generic_set_delete(struct vty *vty, struct route_map_index *index, | |
403 | const char *command, const char *arg) | |
404 | { | |
cda7187d | 405 | enum rmap_compile_rets ret; |
d62a17ae | 406 | |
407 | ret = route_map_delete_set(index, command, arg); | |
9ca25fed DS |
408 | switch (ret) { |
409 | case RMAP_RULE_MISSING: | |
996c9314 | 410 | vty_out(vty, "%% [%s] Can't find rule.\n", frr_protonameinst); |
9ca25fed DS |
411 | return CMD_WARNING_CONFIG_FAILED; |
412 | break; | |
413 | case RMAP_COMPILE_ERROR: | |
414 | vty_out(vty, | |
415 | "%% [%s] Argument form is unsupported or malformed.\n", | |
416 | frr_protonameinst); | |
417 | return CMD_WARNING_CONFIG_FAILED; | |
418 | break; | |
419 | case RMAP_COMPILE_SUCCESS: | |
420 | break; | |
d62a17ae | 421 | } |
9ca25fed | 422 | |
d62a17ae | 423 | return CMD_SUCCESS; |
424 | } | |
425 | ||
426 | ||
718e3744 | 427 | /* Master list of route map. */ |
a7282663 RZ |
428 | struct route_map_list route_map_master = {NULL, NULL, NULL, NULL, NULL}; |
429 | struct hash *route_map_master_hash = NULL; | |
a6e0d253 | 430 | |
d8b87afe | 431 | static unsigned int route_map_hash_key_make(const void *p) |
a6e0d253 | 432 | { |
d62a17ae | 433 | const struct route_map *map = p; |
434 | return string_hash_make(map->name); | |
a6e0d253 DW |
435 | } |
436 | ||
74df8d6d | 437 | static bool route_map_hash_cmp(const void *p1, const void *p2) |
a6e0d253 | 438 | { |
d62a17ae | 439 | const struct route_map *map1 = p1; |
440 | const struct route_map *map2 = p2; | |
a6e0d253 | 441 | |
d62a17ae | 442 | if (map1->deleted == map2->deleted) { |
443 | if (map1->name && map2->name) { | |
444 | if (!strcmp(map1->name, map2->name)) { | |
74df8d6d | 445 | return true; |
d62a17ae | 446 | } |
447 | } else if (!map1->name && !map2->name) { | |
74df8d6d | 448 | return true; |
d62a17ae | 449 | } |
450 | } | |
a6e0d253 | 451 | |
74df8d6d | 452 | return false; |
a6e0d253 | 453 | } |
518f0eb1 | 454 | |
d62a17ae | 455 | enum route_map_upd8_type { |
456 | ROUTE_MAP_ADD = 1, | |
457 | ROUTE_MAP_DEL, | |
458 | }; | |
518f0eb1 DS |
459 | |
460 | /* all possible route-map dependency types */ | |
d62a17ae | 461 | enum route_map_dep_type { |
462 | ROUTE_MAP_DEP_RMAP = 1, | |
463 | ROUTE_MAP_DEP_CLIST, | |
464 | ROUTE_MAP_DEP_ECLIST, | |
465 | ROUTE_MAP_DEP_LCLIST, | |
466 | ROUTE_MAP_DEP_PLIST, | |
467 | ROUTE_MAP_DEP_ASPATH, | |
468 | ROUTE_MAP_DEP_FILTER, | |
469 | ROUTE_MAP_DEP_MAX, | |
470 | }; | |
471 | ||
472 | struct route_map_dep { | |
473 | char *dep_name; | |
474 | struct hash *dep_rmap_hash; | |
475 | struct hash *this_hash; /* ptr to the hash structure this is part of */ | |
518f0eb1 | 476 | }; |
718e3744 | 477 | |
e2c8d6ce NT |
478 | struct route_map_dep_data { |
479 | /* Route-map name. | |
480 | */ | |
481 | char *rname; | |
482 | /* Count of number of sequences of this | |
483 | * route-map that depend on the same entity. | |
484 | */ | |
485 | uint16_t refcnt; | |
486 | }; | |
487 | ||
518f0eb1 | 488 | /* Hashes maintaining dependency between various sublists used by route maps */ |
1b3e9a21 | 489 | static struct hash *route_map_dep_hash[ROUTE_MAP_DEP_MAX]; |
518f0eb1 | 490 | |
d8b87afe | 491 | static unsigned int route_map_dep_hash_make_key(const void *p); |
d62a17ae | 492 | static void route_map_clear_all_references(char *rmap_name); |
493 | static void route_map_rule_delete(struct route_map_rule_list *, | |
494 | struct route_map_rule *); | |
e3ab8170 | 495 | static bool rmap_debug; |
718e3744 | 496 | |
718e3744 | 497 | /* New route map allocation. Please note route map's name must be |
498 | specified. */ | |
d62a17ae | 499 | static struct route_map *route_map_new(const char *name) |
718e3744 | 500 | { |
d62a17ae | 501 | struct route_map *new; |
718e3744 | 502 | |
d62a17ae | 503 | new = XCALLOC(MTYPE_ROUTE_MAP, sizeof(struct route_map)); |
504 | new->name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, name); | |
505 | QOBJ_REG(new, route_map); | |
506 | return new; | |
718e3744 | 507 | } |
508 | ||
509 | /* Add new name to route_map. */ | |
d62a17ae | 510 | static struct route_map *route_map_add(const char *name) |
511 | { | |
512 | struct route_map *map; | |
513 | struct route_map_list *list; | |
514 | ||
515 | map = route_map_new(name); | |
516 | list = &route_map_master; | |
517 | ||
518 | /* Add map to the hash */ | |
519 | hash_get(route_map_master_hash, map, hash_alloc_intern); | |
520 | ||
521 | /* Add new entry to the head of the list to match how it is added in the | |
522 | * hash table. This is to ensure that if the same route-map has been | |
523 | * created more than once and then marked for deletion (which can happen | |
524 | * if prior deletions haven't completed as BGP hasn't yet done the | |
525 | * route-map processing), the order of the entities is the same in both | |
526 | * the list and the hash table. Otherwise, since there is nothing to | |
527 | * distinguish between the two entries, the wrong entry could get freed. | |
528 | * TODO: This needs to be re-examined to handle it better - e.g., revive | |
529 | * a deleted entry if the route-map is created again. | |
530 | */ | |
531 | map->prev = NULL; | |
532 | map->next = list->head; | |
533 | if (list->head) | |
534 | list->head->prev = map; | |
535 | list->head = map; | |
536 | if (!list->tail) | |
537 | list->tail = map; | |
538 | ||
539 | /* Execute hook. */ | |
540 | if (route_map_master.add_hook) { | |
541 | (*route_map_master.add_hook)(name); | |
542 | route_map_notify_dependencies(name, RMAP_EVENT_CALL_ADDED); | |
543 | } | |
e3ab8170 AD |
544 | |
545 | if (rmap_debug) | |
546 | zlog_debug("Add route-map %s", name); | |
d62a17ae | 547 | return map; |
718e3744 | 548 | } |
549 | ||
518f0eb1 DS |
550 | /* this is supposed to be called post processing by |
551 | * the delete hook function. Don't invoke delete_hook | |
552 | * again in this routine. | |
553 | */ | |
d62a17ae | 554 | static void route_map_free_map(struct route_map *map) |
718e3744 | 555 | { |
d62a17ae | 556 | struct route_map_list *list; |
557 | struct route_map_index *index; | |
518f0eb1 | 558 | |
d62a17ae | 559 | if (map == NULL) |
560 | return; | |
a31ff449 | 561 | |
d62a17ae | 562 | while ((index = map->head) != NULL) |
563 | route_map_index_delete(index, 0); | |
718e3744 | 564 | |
e3ab8170 AD |
565 | if (rmap_debug) |
566 | zlog_debug("Deleting route-map %s", map->name); | |
567 | ||
d62a17ae | 568 | list = &route_map_master; |
718e3744 | 569 | |
d62a17ae | 570 | QOBJ_UNREG(map); |
e80e7cce | 571 | |
d62a17ae | 572 | if (map->next) |
573 | map->next->prev = map->prev; | |
574 | else | |
575 | list->tail = map->prev; | |
718e3744 | 576 | |
d62a17ae | 577 | if (map->prev) |
578 | map->prev->next = map->next; | |
579 | else | |
580 | list->head = map->next; | |
718e3744 | 581 | |
d62a17ae | 582 | hash_release(route_map_master_hash, map); |
583 | XFREE(MTYPE_ROUTE_MAP_NAME, map->name); | |
584 | XFREE(MTYPE_ROUTE_MAP, map); | |
518f0eb1 | 585 | } |
718e3744 | 586 | |
518f0eb1 | 587 | /* Route map delete from list. */ |
a7282663 | 588 | void route_map_delete(struct route_map *map) |
518f0eb1 | 589 | { |
d62a17ae | 590 | struct route_map_index *index; |
591 | char *name; | |
518f0eb1 | 592 | |
d62a17ae | 593 | while ((index = map->head) != NULL) |
594 | route_map_index_delete(index, 0); | |
518f0eb1 | 595 | |
d62a17ae | 596 | name = map->name; |
597 | map->head = NULL; | |
518f0eb1 | 598 | |
d62a17ae | 599 | /* Clear all dependencies */ |
600 | route_map_clear_all_references(name); | |
e4694d0d | 601 | map->deleted = true; |
d62a17ae | 602 | /* Execute deletion hook. */ |
603 | if (route_map_master.delete_hook) { | |
604 | (*route_map_master.delete_hook)(name); | |
605 | route_map_notify_dependencies(name, RMAP_EVENT_CALL_DELETED); | |
606 | } | |
718e3744 | 607 | |
d62a17ae | 608 | if (!map->to_be_processed) { |
609 | route_map_free_map(map); | |
610 | } | |
718e3744 | 611 | } |
612 | ||
613 | /* Lookup route map by route map name string. */ | |
d62a17ae | 614 | struct route_map *route_map_lookup_by_name(const char *name) |
718e3744 | 615 | { |
d62a17ae | 616 | struct route_map *map; |
617 | struct route_map tmp_map; | |
718e3744 | 618 | |
d62a17ae | 619 | if (!name) |
620 | return NULL; | |
518f0eb1 | 621 | |
d62a17ae | 622 | // map.deleted is 0 via memset |
623 | memset(&tmp_map, 0, sizeof(struct route_map)); | |
624 | tmp_map.name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, name); | |
625 | map = hash_lookup(route_map_master_hash, &tmp_map); | |
626 | XFREE(MTYPE_ROUTE_MAP_NAME, tmp_map.name); | |
627 | return map; | |
718e3744 | 628 | } |
629 | ||
1de27621 DA |
630 | /* Simple helper to warn if route-map does not exist. */ |
631 | struct route_map *route_map_lookup_warn_noexist(struct vty *vty, const char *name) | |
632 | { | |
633 | struct route_map *route_map = route_map_lookup_by_name(name); | |
634 | ||
635 | if (!route_map) | |
636 | if (vty_shell_serv(vty)) | |
637 | vty_out(vty, "The route-map '%s' does not exist.\n", name); | |
638 | ||
639 | return route_map; | |
640 | } | |
641 | ||
7096e938 | 642 | int route_map_mark_updated(const char *name) |
518f0eb1 | 643 | { |
d62a17ae | 644 | struct route_map *map; |
645 | int ret = -1; | |
646 | struct route_map tmp_map; | |
518f0eb1 | 647 | |
d62a17ae | 648 | if (!name) |
649 | return (ret); | |
a6e0d253 | 650 | |
d62a17ae | 651 | map = route_map_lookup_by_name(name); |
a6e0d253 | 652 | |
e4694d0d DS |
653 | /* If we did not find the routemap with deleted=false try again |
654 | * with deleted=true | |
d62a17ae | 655 | */ |
656 | if (!map) { | |
657 | memset(&tmp_map, 0, sizeof(struct route_map)); | |
658 | tmp_map.name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, name); | |
e4694d0d | 659 | tmp_map.deleted = true; |
d62a17ae | 660 | map = hash_lookup(route_map_master_hash, &tmp_map); |
661 | XFREE(MTYPE_ROUTE_MAP_NAME, tmp_map.name); | |
662 | } | |
a6e0d253 | 663 | |
d62a17ae | 664 | if (map) { |
e4694d0d | 665 | map->to_be_processed = true; |
d62a17ae | 666 | ret = 0; |
667 | } | |
518f0eb1 | 668 | |
d62a17ae | 669 | return (ret); |
518f0eb1 DS |
670 | } |
671 | ||
69f02720 | 672 | static int route_map_clear_updated(struct route_map *map) |
518f0eb1 | 673 | { |
d62a17ae | 674 | int ret = -1; |
518f0eb1 | 675 | |
d62a17ae | 676 | if (map) { |
e4694d0d | 677 | map->to_be_processed = false; |
d62a17ae | 678 | if (map->deleted) |
679 | route_map_free_map(map); | |
680 | } | |
518f0eb1 | 681 | |
d62a17ae | 682 | return (ret); |
518f0eb1 DS |
683 | } |
684 | ||
718e3744 | 685 | /* Lookup route map. If there isn't route map create one and return |
686 | it. */ | |
a7282663 | 687 | struct route_map *route_map_get(const char *name) |
718e3744 | 688 | { |
d62a17ae | 689 | struct route_map *map; |
718e3744 | 690 | |
d62a17ae | 691 | map = route_map_lookup_by_name(name); |
692 | if (map == NULL) | |
693 | map = route_map_add(name); | |
518f0eb1 | 694 | |
d62a17ae | 695 | return map; |
718e3744 | 696 | } |
697 | ||
46a69f10 | 698 | void route_map_walk_update_list(void (*route_map_update_fn)(char *name)) |
518f0eb1 | 699 | { |
d62a17ae | 700 | struct route_map *node; |
701 | struct route_map *nnode = NULL; | |
518f0eb1 | 702 | |
d62a17ae | 703 | for (node = route_map_master.head; node; node = nnode) { |
704 | if (node->to_be_processed) { | |
705 | /* DD: Should we add any thread yield code here */ | |
706 | route_map_update_fn(node->name); | |
707 | nnode = node->next; | |
708 | route_map_clear_updated(node); | |
709 | } else | |
710 | nnode = node->next; | |
518f0eb1 | 711 | } |
518f0eb1 DS |
712 | } |
713 | ||
718e3744 | 714 | /* Return route map's type string. */ |
d62a17ae | 715 | static const char *route_map_type_str(enum route_map_type type) |
716 | { | |
717 | switch (type) { | |
718 | case RMAP_PERMIT: | |
719 | return "permit"; | |
720 | break; | |
721 | case RMAP_DENY: | |
722 | return "deny"; | |
723 | break; | |
ba1707ca | 724 | case RMAP_ANY: |
d62a17ae | 725 | return ""; |
726 | break; | |
727 | } | |
4255dbe9 DS |
728 | |
729 | return ""; | |
718e3744 | 730 | } |
731 | ||
b68885f9 | 732 | static const char *route_map_cmd_result_str(enum route_map_cmd_result_t res) |
e3ab8170 AD |
733 | { |
734 | switch (res) { | |
735 | case RMAP_MATCH: | |
736 | return "match"; | |
e3ab8170 AD |
737 | case RMAP_NOMATCH: |
738 | return "no match"; | |
b68885f9 LK |
739 | case RMAP_NOOP: |
740 | return "noop"; | |
e3ab8170 AD |
741 | case RMAP_ERROR: |
742 | return "error"; | |
743 | case RMAP_OKAY: | |
744 | return "okay"; | |
745 | } | |
746 | ||
747 | return "invalid"; | |
748 | } | |
749 | ||
b68885f9 LK |
750 | static const char *route_map_result_str(route_map_result_t res) |
751 | { | |
752 | switch (res) { | |
753 | case RMAP_DENYMATCH: | |
754 | return "deny"; | |
755 | case RMAP_PERMITMATCH: | |
756 | return "permit"; | |
757 | } | |
758 | ||
759 | return "invalid"; | |
760 | } | |
761 | ||
5510e83b | 762 | /* show route-map */ |
d62a17ae | 763 | static void vty_show_route_map_entry(struct vty *vty, struct route_map *map) |
764 | { | |
765 | struct route_map_index *index; | |
766 | struct route_map_rule *rule; | |
767 | ||
279b0607 | 768 | vty_out(vty, "route-map: %s Invoked: %" PRIu64 "\n", |
1fa30509 | 769 | map->name, map->applied - map->applied_clear); |
d62a17ae | 770 | |
771 | for (index = map->head; index; index = index->next) { | |
279b0607 DS |
772 | vty_out(vty, " %s, sequence %d Invoked %" PRIu64 "\n", |
773 | route_map_type_str(index->type), index->pref, | |
1fa30509 | 774 | index->applied - index->applied_clear); |
d62a17ae | 775 | |
776 | /* Description */ | |
777 | if (index->description) | |
778 | vty_out(vty, " Description:\n %s\n", | |
779 | index->description); | |
780 | ||
781 | /* Match clauses */ | |
782 | vty_out(vty, " Match clauses:\n"); | |
783 | for (rule = index->match_list.head; rule; rule = rule->next) | |
784 | vty_out(vty, " %s %s\n", rule->cmd->str, | |
785 | rule->rule_str); | |
786 | ||
787 | vty_out(vty, " Set clauses:\n"); | |
788 | for (rule = index->set_list.head; rule; rule = rule->next) | |
789 | vty_out(vty, " %s %s\n", rule->cmd->str, | |
790 | rule->rule_str); | |
791 | ||
792 | /* Call clause */ | |
793 | vty_out(vty, " Call clause:\n"); | |
794 | if (index->nextrm) | |
795 | vty_out(vty, " Call %s\n", index->nextrm); | |
796 | ||
797 | /* Exit Policy */ | |
798 | vty_out(vty, " Action:\n"); | |
799 | if (index->exitpolicy == RMAP_GOTO) | |
800 | vty_out(vty, " Goto %d\n", index->nextpref); | |
801 | else if (index->exitpolicy == RMAP_NEXT) | |
802 | vty_out(vty, " Continue to next entry\n"); | |
803 | else if (index->exitpolicy == RMAP_EXIT) | |
804 | vty_out(vty, " Exit routemap\n"); | |
805 | } | |
806 | } | |
807 | ||
78b1bb5f QY |
808 | static int sort_route_map(const void **map1, const void **map2) |
809 | { | |
810 | const struct route_map *m1 = *map1; | |
811 | const struct route_map *m2 = *map2; | |
812 | ||
813 | return strcmp(m1->name, m2->name); | |
814 | } | |
815 | ||
d62a17ae | 816 | static int vty_show_route_map(struct vty *vty, const char *name) |
817 | { | |
818 | struct route_map *map; | |
819 | ||
279b0607 DS |
820 | vty_out(vty, "%s:\n", frr_protonameinst); |
821 | ||
d62a17ae | 822 | if (name) { |
823 | map = route_map_lookup_by_name(name); | |
824 | ||
825 | if (map) { | |
826 | vty_show_route_map_entry(vty, map); | |
827 | return CMD_SUCCESS; | |
828 | } else { | |
829 | vty_out(vty, "%s: 'route-map %s' not found\n", | |
830 | frr_protonameinst, name); | |
831 | return CMD_SUCCESS; | |
832 | } | |
833 | } else { | |
78b1bb5f QY |
834 | |
835 | struct list *maplist = list_new(); | |
836 | struct listnode *ln; | |
837 | ||
d62a17ae | 838 | for (map = route_map_master.head; map; map = map->next) |
78b1bb5f QY |
839 | listnode_add(maplist, map); |
840 | ||
841 | list_sort(maplist, sort_route_map); | |
842 | ||
843 | for (ALL_LIST_ELEMENTS_RO(maplist, ln, map)) | |
844 | vty_show_route_map_entry(vty, map); | |
845 | ||
6a154c88 | 846 | list_delete(&maplist); |
d62a17ae | 847 | } |
848 | return CMD_SUCCESS; | |
5510e83b | 849 | } |
850 | ||
4a2a09d0 | 851 | /* Unused route map details */ |
852 | static int vty_show_unused_route_map(struct vty *vty) | |
853 | { | |
854 | struct list *maplist = list_new(); | |
855 | struct listnode *ln; | |
856 | struct route_map *map; | |
857 | ||
858 | for (map = route_map_master.head; map; map = map->next) { | |
859 | /* If use_count is zero, No protocol is using this routemap. | |
860 | * so adding to the list. | |
861 | */ | |
862 | if (!map->use_count) | |
863 | listnode_add(maplist, map); | |
864 | } | |
865 | ||
866 | if (maplist->count > 0) { | |
867 | vty_out(vty, "\n%s:\n", frr_protonameinst); | |
868 | list_sort(maplist, sort_route_map); | |
869 | ||
870 | for (ALL_LIST_ELEMENTS_RO(maplist, ln, map)) | |
871 | vty_show_route_map_entry(vty, map); | |
872 | } else { | |
873 | vty_out(vty, "\n%s: None\n", frr_protonameinst); | |
874 | } | |
875 | ||
876 | list_delete(&maplist); | |
877 | return CMD_SUCCESS; | |
878 | } | |
5510e83b | 879 | |
718e3744 | 880 | /* New route map allocation. Please note route map's name must be |
881 | specified. */ | |
d62a17ae | 882 | static struct route_map_index *route_map_index_new(void) |
718e3744 | 883 | { |
d62a17ae | 884 | struct route_map_index *new; |
718e3744 | 885 | |
d62a17ae | 886 | new = XCALLOC(MTYPE_ROUTE_MAP_INDEX, sizeof(struct route_map_index)); |
887 | new->exitpolicy = RMAP_EXIT; /* Default to Cisco-style */ | |
888 | QOBJ_REG(new, route_map_index); | |
889 | return new; | |
718e3744 | 890 | } |
891 | ||
892 | /* Free route map index. */ | |
a7282663 | 893 | void route_map_index_delete(struct route_map_index *index, int notify) |
718e3744 | 894 | { |
d62a17ae | 895 | struct route_map_rule *rule; |
718e3744 | 896 | |
d62a17ae | 897 | QOBJ_UNREG(index); |
e80e7cce | 898 | |
e3ab8170 AD |
899 | if (rmap_debug) |
900 | zlog_debug("Deleting route-map %s sequence %d", | |
901 | index->map->name, index->pref); | |
902 | ||
d62a17ae | 903 | /* Free route match. */ |
904 | while ((rule = index->match_list.head) != NULL) | |
905 | route_map_rule_delete(&index->match_list, rule); | |
718e3744 | 906 | |
d62a17ae | 907 | /* Free route set. */ |
908 | while ((rule = index->set_list.head) != NULL) | |
909 | route_map_rule_delete(&index->set_list, rule); | |
718e3744 | 910 | |
d62a17ae | 911 | /* Remove index from route map list. */ |
912 | if (index->next) | |
913 | index->next->prev = index->prev; | |
914 | else | |
915 | index->map->tail = index->prev; | |
718e3744 | 916 | |
d62a17ae | 917 | if (index->prev) |
918 | index->prev->next = index->next; | |
919 | else | |
920 | index->map->head = index->next; | |
718e3744 | 921 | |
d62a17ae | 922 | /* Free 'char *nextrm' if not NULL */ |
0a22ddfb | 923 | XFREE(MTYPE_ROUTE_MAP_NAME, index->nextrm); |
fee0f4c6 | 924 | |
d62a17ae | 925 | /* Execute event hook. */ |
926 | if (route_map_master.event_hook && notify) { | |
097b5973 | 927 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 928 | route_map_notify_dependencies(index->map->name, |
929 | RMAP_EVENT_CALL_ADDED); | |
930 | } | |
931 | XFREE(MTYPE_ROUTE_MAP_INDEX, index); | |
718e3744 | 932 | } |
933 | ||
934 | /* Lookup index from route map. */ | |
d62a17ae | 935 | static struct route_map_index *route_map_index_lookup(struct route_map *map, |
936 | enum route_map_type type, | |
937 | int pref) | |
718e3744 | 938 | { |
d62a17ae | 939 | struct route_map_index *index; |
718e3744 | 940 | |
d62a17ae | 941 | for (index = map->head; index; index = index->next) |
942 | if ((index->type == type || type == RMAP_ANY) | |
943 | && index->pref == pref) | |
944 | return index; | |
945 | return NULL; | |
718e3744 | 946 | } |
947 | ||
948 | /* Add new index to route map. */ | |
8cc4198f | 949 | static struct route_map_index * |
d62a17ae | 950 | route_map_index_add(struct route_map *map, enum route_map_type type, int pref) |
951 | { | |
952 | struct route_map_index *index; | |
953 | struct route_map_index *point; | |
954 | ||
955 | /* Allocate new route map inex. */ | |
956 | index = route_map_index_new(); | |
957 | index->map = map; | |
958 | index->type = type; | |
959 | index->pref = pref; | |
960 | ||
961 | /* Compare preference. */ | |
962 | for (point = map->head; point; point = point->next) | |
963 | if (point->pref >= pref) | |
964 | break; | |
965 | ||
966 | if (map->head == NULL) { | |
967 | map->head = map->tail = index; | |
968 | } else if (point == NULL) { | |
969 | index->prev = map->tail; | |
970 | map->tail->next = index; | |
971 | map->tail = index; | |
972 | } else if (point == map->head) { | |
973 | index->next = map->head; | |
974 | map->head->prev = index; | |
975 | map->head = index; | |
976 | } else { | |
977 | index->next = point; | |
978 | index->prev = point->prev; | |
979 | if (point->prev) | |
980 | point->prev->next = index; | |
981 | point->prev = index; | |
982 | } | |
983 | ||
984 | /* Execute event hook. */ | |
985 | if (route_map_master.event_hook) { | |
097b5973 | 986 | (*route_map_master.event_hook)(map->name); |
d62a17ae | 987 | route_map_notify_dependencies(map->name, RMAP_EVENT_CALL_ADDED); |
988 | } | |
e3ab8170 AD |
989 | |
990 | if (rmap_debug) | |
991 | zlog_debug("Route-map %s add sequence %d, type: %s", | |
992 | map->name, pref, route_map_type_str(type)); | |
993 | ||
d62a17ae | 994 | return index; |
718e3744 | 995 | } |
996 | ||
997 | /* Get route map index. */ | |
a7282663 | 998 | struct route_map_index * |
d62a17ae | 999 | route_map_index_get(struct route_map *map, enum route_map_type type, int pref) |
718e3744 | 1000 | { |
d62a17ae | 1001 | struct route_map_index *index; |
718e3744 | 1002 | |
d62a17ae | 1003 | index = route_map_index_lookup(map, RMAP_ANY, pref); |
1004 | if (index && index->type != type) { | |
1005 | /* Delete index from route map. */ | |
1006 | route_map_index_delete(index, 1); | |
1007 | index = NULL; | |
1008 | } | |
1009 | if (index == NULL) | |
1010 | index = route_map_index_add(map, type, pref); | |
1011 | return index; | |
718e3744 | 1012 | } |
1013 | ||
1014 | /* New route map rule */ | |
d62a17ae | 1015 | static struct route_map_rule *route_map_rule_new(void) |
718e3744 | 1016 | { |
d62a17ae | 1017 | struct route_map_rule *new; |
718e3744 | 1018 | |
d62a17ae | 1019 | new = XCALLOC(MTYPE_ROUTE_MAP_RULE, sizeof(struct route_map_rule)); |
1020 | return new; | |
718e3744 | 1021 | } |
6b0655a2 | 1022 | |
718e3744 | 1023 | /* Install rule command to the match list. */ |
364deb04 | 1024 | void route_map_install_match(const struct route_map_rule_cmd *cmd) |
718e3744 | 1025 | { |
364deb04 | 1026 | vector_set(route_match_vec, (void *)cmd); |
718e3744 | 1027 | } |
1028 | ||
1029 | /* Install rule command to the set list. */ | |
364deb04 | 1030 | void route_map_install_set(const struct route_map_rule_cmd *cmd) |
718e3744 | 1031 | { |
364deb04 | 1032 | vector_set(route_set_vec, (void *)cmd); |
718e3744 | 1033 | } |
1034 | ||
1035 | /* Lookup rule command from match list. */ | |
364deb04 | 1036 | static const struct route_map_rule_cmd *route_map_lookup_match(const char *name) |
718e3744 | 1037 | { |
d62a17ae | 1038 | unsigned int i; |
364deb04 | 1039 | const struct route_map_rule_cmd *rule; |
718e3744 | 1040 | |
d62a17ae | 1041 | for (i = 0; i < vector_active(route_match_vec); i++) |
1042 | if ((rule = vector_slot(route_match_vec, i)) != NULL) | |
1043 | if (strcmp(rule->str, name) == 0) | |
1044 | return rule; | |
1045 | return NULL; | |
718e3744 | 1046 | } |
1047 | ||
1048 | /* Lookup rule command from set list. */ | |
364deb04 | 1049 | static const struct route_map_rule_cmd *route_map_lookup_set(const char *name) |
718e3744 | 1050 | { |
d62a17ae | 1051 | unsigned int i; |
364deb04 | 1052 | const struct route_map_rule_cmd *rule; |
718e3744 | 1053 | |
d62a17ae | 1054 | for (i = 0; i < vector_active(route_set_vec); i++) |
1055 | if ((rule = vector_slot(route_set_vec, i)) != NULL) | |
1056 | if (strcmp(rule->str, name) == 0) | |
1057 | return rule; | |
1058 | return NULL; | |
718e3744 | 1059 | } |
1060 | ||
1061 | /* Add match and set rule to rule list. */ | |
d62a17ae | 1062 | static void route_map_rule_add(struct route_map_rule_list *list, |
1063 | struct route_map_rule *rule) | |
718e3744 | 1064 | { |
d62a17ae | 1065 | rule->next = NULL; |
1066 | rule->prev = list->tail; | |
1067 | if (list->tail) | |
1068 | list->tail->next = rule; | |
1069 | else | |
1070 | list->head = rule; | |
1071 | list->tail = rule; | |
718e3744 | 1072 | } |
1073 | ||
1074 | /* Delete rule from rule list. */ | |
d62a17ae | 1075 | static void route_map_rule_delete(struct route_map_rule_list *list, |
1076 | struct route_map_rule *rule) | |
718e3744 | 1077 | { |
d62a17ae | 1078 | if (rule->cmd->func_free) |
1079 | (*rule->cmd->func_free)(rule->value); | |
718e3744 | 1080 | |
0a22ddfb | 1081 | XFREE(MTYPE_ROUTE_MAP_RULE_STR, rule->rule_str); |
718e3744 | 1082 | |
d62a17ae | 1083 | if (rule->next) |
1084 | rule->next->prev = rule->prev; | |
1085 | else | |
1086 | list->tail = rule->prev; | |
1087 | if (rule->prev) | |
1088 | rule->prev->next = rule->next; | |
1089 | else | |
1090 | list->head = rule->next; | |
718e3744 | 1091 | |
d62a17ae | 1092 | XFREE(MTYPE_ROUTE_MAP_RULE, rule); |
718e3744 | 1093 | } |
1094 | ||
1095 | /* strcmp wrapper function which don't crush even argument is NULL. */ | |
d62a17ae | 1096 | static int rulecmp(const char *dst, const char *src) |
1097 | { | |
1098 | if (dst == NULL) { | |
1099 | if (src == NULL) | |
1100 | return 0; | |
1101 | else | |
1102 | return 1; | |
1103 | } else { | |
1104 | if (src == NULL) | |
1105 | return 1; | |
1106 | else | |
1107 | return strcmp(dst, src); | |
1108 | } | |
718e3744 | 1109 | return 1; |
718e3744 | 1110 | } |
1111 | ||
518f0eb1 DS |
1112 | /* Use this to return the already specified argument for this match. This is |
1113 | * useful to get the specified argument with a route map match rule when the | |
1114 | * rule is being deleted and the argument is not provided. | |
1115 | */ | |
d62a17ae | 1116 | const char *route_map_get_match_arg(struct route_map_index *index, |
1117 | const char *match_name) | |
518f0eb1 | 1118 | { |
d62a17ae | 1119 | struct route_map_rule *rule; |
364deb04 | 1120 | const struct route_map_rule_cmd *cmd; |
518f0eb1 | 1121 | |
d62a17ae | 1122 | /* First lookup rule for add match statement. */ |
1123 | cmd = route_map_lookup_match(match_name); | |
1124 | if (cmd == NULL) | |
1125 | return NULL; | |
518f0eb1 | 1126 | |
d62a17ae | 1127 | for (rule = index->match_list.head; rule; rule = rule->next) |
1128 | if (rule->cmd == cmd && rule->rule_str != NULL) | |
1129 | return (rule->rule_str); | |
518f0eb1 | 1130 | |
d62a17ae | 1131 | return (NULL); |
518f0eb1 DS |
1132 | } |
1133 | ||
e2c8d6ce NT |
1134 | static route_map_event_t get_route_map_delete_event(route_map_event_t type) |
1135 | { | |
1136 | switch (type) { | |
1137 | case RMAP_EVENT_CALL_ADDED: | |
1138 | return RMAP_EVENT_CALL_DELETED; | |
1139 | case RMAP_EVENT_PLIST_ADDED: | |
1140 | return RMAP_EVENT_PLIST_DELETED; | |
1141 | case RMAP_EVENT_CLIST_ADDED: | |
1142 | return RMAP_EVENT_CLIST_DELETED; | |
1143 | case RMAP_EVENT_ECLIST_ADDED: | |
1144 | return RMAP_EVENT_ECLIST_DELETED; | |
1145 | case RMAP_EVENT_LLIST_ADDED: | |
1146 | return RMAP_EVENT_LLIST_DELETED; | |
1147 | case RMAP_EVENT_ASLIST_ADDED: | |
1148 | return RMAP_EVENT_ASLIST_DELETED; | |
1149 | case RMAP_EVENT_FILTER_ADDED: | |
1150 | return RMAP_EVENT_FILTER_DELETED; | |
1151 | case RMAP_EVENT_SET_ADDED: | |
1152 | case RMAP_EVENT_SET_DELETED: | |
1153 | case RMAP_EVENT_SET_REPLACED: | |
1154 | case RMAP_EVENT_MATCH_ADDED: | |
1155 | case RMAP_EVENT_MATCH_DELETED: | |
1156 | case RMAP_EVENT_MATCH_REPLACED: | |
1157 | case RMAP_EVENT_INDEX_ADDED: | |
1158 | case RMAP_EVENT_INDEX_DELETED: | |
1159 | case RMAP_EVENT_CALL_DELETED: | |
1160 | case RMAP_EVENT_PLIST_DELETED: | |
1161 | case RMAP_EVENT_CLIST_DELETED: | |
1162 | case RMAP_EVENT_ECLIST_DELETED: | |
1163 | case RMAP_EVENT_LLIST_DELETED: | |
1164 | case RMAP_EVENT_ASLIST_DELETED: | |
1165 | case RMAP_EVENT_FILTER_DELETED: | |
1166 | /* This function returns the appropriate 'deleted' event type | |
1167 | * for every 'added' event type passed to this function. | |
1168 | * This is done only for named entities used in the | |
1169 | * route-map match commands. | |
1170 | * This function is not to be invoked for any of the other event | |
1171 | * types. | |
1172 | */ | |
1173 | assert(0); | |
1174 | } | |
f232dd29 DS |
1175 | |
1176 | assert(0); | |
1177 | /* | |
1178 | * Return to make c happy but if we get here something has gone | |
1179 | * terribly terribly wrong, so yes this return makes no sense. | |
1180 | */ | |
1181 | return RMAP_EVENT_CALL_ADDED; | |
e2c8d6ce NT |
1182 | } |
1183 | ||
718e3744 | 1184 | /* Add match statement to route map. */ |
cda7187d DS |
1185 | enum rmap_compile_rets route_map_add_match(struct route_map_index *index, |
1186 | const char *match_name, | |
1187 | const char *match_arg, | |
1188 | route_map_event_t type) | |
d62a17ae | 1189 | { |
1190 | struct route_map_rule *rule; | |
1191 | struct route_map_rule *next; | |
364deb04 | 1192 | const struct route_map_rule_cmd *cmd; |
d62a17ae | 1193 | void *compile; |
e2c8d6ce | 1194 | int8_t delete_rmap_event_type = 0; |
909f3d56 | 1195 | const char *rule_key; |
d62a17ae | 1196 | |
1197 | /* First lookup rule for add match statement. */ | |
1198 | cmd = route_map_lookup_match(match_name); | |
1199 | if (cmd == NULL) | |
1200 | return RMAP_RULE_MISSING; | |
1201 | ||
1202 | /* Next call compile function for this match statement. */ | |
1203 | if (cmd->func_compile) { | |
1204 | compile = (*cmd->func_compile)(match_arg); | |
1205 | if (compile == NULL) | |
1206 | return RMAP_COMPILE_ERROR; | |
1207 | } else | |
1208 | compile = NULL; | |
909f3d56 | 1209 | /* use the compiled results if applicable */ |
1210 | if (compile && cmd->func_get_rmap_rule_key) | |
1211 | rule_key = (*cmd->func_get_rmap_rule_key) | |
1212 | (compile); | |
1213 | else | |
1214 | rule_key = match_arg; | |
d62a17ae | 1215 | |
1216 | /* If argument is completely same ignore it. */ | |
1217 | for (rule = index->match_list.head; rule; rule = next) { | |
1218 | next = rule->next; | |
1219 | if (rule->cmd == cmd) { | |
6c3247bd NT |
1220 | /* If the configured route-map match rule is exactly |
1221 | * the same as the existing configuration then, | |
1222 | * ignore the duplicate configuration. | |
1223 | */ | |
1224 | if (strcmp(match_arg, rule->rule_str) == 0) { | |
1225 | if (cmd->func_free) | |
1226 | (*cmd->func_free)(compile); | |
e2c8d6ce | 1227 | |
909f3d56 | 1228 | return RMAP_COMPILE_SUCCESS; |
e2c8d6ce NT |
1229 | } |
1230 | ||
1231 | /* Remove the dependency of the route-map on the rule | |
1232 | * that is being replaced. | |
1233 | */ | |
1234 | if (type >= RMAP_EVENT_CALL_ADDED) { | |
1235 | delete_rmap_event_type = | |
1236 | get_route_map_delete_event(type); | |
1237 | route_map_upd8_dependency( | |
1238 | delete_rmap_event_type, | |
909f3d56 | 1239 | rule_key, |
e2c8d6ce | 1240 | index->map->name); |
6c3247bd NT |
1241 | } |
1242 | ||
d62a17ae | 1243 | route_map_rule_delete(&index->match_list, rule); |
d62a17ae | 1244 | } |
718e3744 | 1245 | } |
718e3744 | 1246 | |
d62a17ae | 1247 | /* Add new route map match rule. */ |
1248 | rule = route_map_rule_new(); | |
1249 | rule->cmd = cmd; | |
1250 | rule->value = compile; | |
1251 | if (match_arg) | |
1252 | rule->rule_str = XSTRDUP(MTYPE_ROUTE_MAP_RULE_STR, match_arg); | |
1253 | else | |
1254 | rule->rule_str = NULL; | |
718e3744 | 1255 | |
d62a17ae | 1256 | /* Add new route match rule to linked list. */ |
1257 | route_map_rule_add(&index->match_list, rule); | |
718e3744 | 1258 | |
d62a17ae | 1259 | /* Execute event hook. */ |
1260 | if (route_map_master.event_hook) { | |
097b5973 | 1261 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1262 | route_map_notify_dependencies(index->map->name, |
1263 | RMAP_EVENT_CALL_ADDED); | |
1264 | } | |
909f3d56 | 1265 | if (type != RMAP_EVENT_MATCH_ADDED) |
1266 | route_map_upd8_dependency(type, rule_key, index->map->name); | |
718e3744 | 1267 | |
9ca25fed | 1268 | return RMAP_COMPILE_SUCCESS; |
718e3744 | 1269 | } |
1270 | ||
1271 | /* Delete specified route match rule. */ | |
cda7187d DS |
1272 | enum rmap_compile_rets route_map_delete_match(struct route_map_index *index, |
1273 | const char *match_name, | |
909f3d56 | 1274 | const char *match_arg, |
1275 | route_map_event_t type) | |
d62a17ae | 1276 | { |
1277 | struct route_map_rule *rule; | |
364deb04 | 1278 | const struct route_map_rule_cmd *cmd; |
909f3d56 | 1279 | const char *rule_key; |
d62a17ae | 1280 | |
1281 | cmd = route_map_lookup_match(match_name); | |
1282 | if (cmd == NULL) | |
e5b4b49e | 1283 | return RMAP_RULE_MISSING; |
d62a17ae | 1284 | |
1285 | for (rule = index->match_list.head; rule; rule = rule->next) | |
9d303b37 DL |
1286 | if (rule->cmd == cmd && (rulecmp(rule->rule_str, match_arg) == 0 |
1287 | || match_arg == NULL)) { | |
d62a17ae | 1288 | /* Execute event hook. */ |
1289 | if (route_map_master.event_hook) { | |
097b5973 | 1290 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1291 | route_map_notify_dependencies( |
1292 | index->map->name, | |
1293 | RMAP_EVENT_CALL_ADDED); | |
1294 | } | |
909f3d56 | 1295 | if (cmd->func_get_rmap_rule_key) |
1296 | rule_key = (*cmd->func_get_rmap_rule_key) | |
1297 | (rule->value); | |
1298 | else | |
1299 | rule_key = match_arg; | |
1300 | ||
1301 | if (type != RMAP_EVENT_MATCH_DELETED && rule_key) | |
1302 | route_map_upd8_dependency(type, rule_key, | |
1303 | index->map->name); | |
1304 | ||
1305 | route_map_rule_delete(&index->match_list, rule); | |
e5b4b49e | 1306 | return RMAP_COMPILE_SUCCESS; |
d62a17ae | 1307 | } |
1308 | /* Can't find matched rule. */ | |
e5b4b49e | 1309 | return RMAP_RULE_MISSING; |
718e3744 | 1310 | } |
1311 | ||
1312 | /* Add route-map set statement to the route map. */ | |
cda7187d DS |
1313 | enum rmap_compile_rets route_map_add_set(struct route_map_index *index, |
1314 | const char *set_name, | |
1315 | const char *set_arg) | |
d62a17ae | 1316 | { |
1317 | struct route_map_rule *rule; | |
1318 | struct route_map_rule *next; | |
364deb04 | 1319 | const struct route_map_rule_cmd *cmd; |
d62a17ae | 1320 | void *compile; |
d62a17ae | 1321 | |
1322 | cmd = route_map_lookup_set(set_name); | |
1323 | if (cmd == NULL) | |
1324 | return RMAP_RULE_MISSING; | |
1325 | ||
1326 | /* Next call compile function for this match statement. */ | |
1327 | if (cmd->func_compile) { | |
1328 | compile = (*cmd->func_compile)(set_arg); | |
1329 | if (compile == NULL) | |
1330 | return RMAP_COMPILE_ERROR; | |
1331 | } else | |
1332 | compile = NULL; | |
1333 | ||
1334 | /* Add by WJL. if old set command of same kind exist, delete it first | |
1335 | to ensure only one set command of same kind exist under a | |
1336 | route_map_index. */ | |
1337 | for (rule = index->set_list.head; rule; rule = next) { | |
1338 | next = rule->next; | |
4255dbe9 | 1339 | if (rule->cmd == cmd) |
d62a17ae | 1340 | route_map_rule_delete(&index->set_list, rule); |
d62a17ae | 1341 | } |
1342 | ||
1343 | /* Add new route map match rule. */ | |
1344 | rule = route_map_rule_new(); | |
1345 | rule->cmd = cmd; | |
1346 | rule->value = compile; | |
1347 | if (set_arg) | |
1348 | rule->rule_str = XSTRDUP(MTYPE_ROUTE_MAP_RULE_STR, set_arg); | |
1349 | else | |
1350 | rule->rule_str = NULL; | |
1351 | ||
1352 | /* Add new route match rule to linked list. */ | |
1353 | route_map_rule_add(&index->set_list, rule); | |
1354 | ||
1355 | /* Execute event hook. */ | |
1356 | if (route_map_master.event_hook) { | |
097b5973 | 1357 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1358 | route_map_notify_dependencies(index->map->name, |
1359 | RMAP_EVENT_CALL_ADDED); | |
718e3744 | 1360 | } |
9ca25fed | 1361 | return RMAP_COMPILE_SUCCESS; |
718e3744 | 1362 | } |
1363 | ||
1364 | /* Delete route map set rule. */ | |
cda7187d DS |
1365 | enum rmap_compile_rets route_map_delete_set(struct route_map_index *index, |
1366 | const char *set_name, | |
1367 | const char *set_arg) | |
d62a17ae | 1368 | { |
1369 | struct route_map_rule *rule; | |
364deb04 | 1370 | const struct route_map_rule_cmd *cmd; |
d62a17ae | 1371 | |
1372 | cmd = route_map_lookup_set(set_name); | |
1373 | if (cmd == NULL) | |
e5b4b49e | 1374 | return RMAP_RULE_MISSING; |
d62a17ae | 1375 | |
1376 | for (rule = index->set_list.head; rule; rule = rule->next) | |
9d303b37 DL |
1377 | if ((rule->cmd == cmd) && (rulecmp(rule->rule_str, set_arg) == 0 |
1378 | || set_arg == NULL)) { | |
d62a17ae | 1379 | route_map_rule_delete(&index->set_list, rule); |
1380 | /* Execute event hook. */ | |
1381 | if (route_map_master.event_hook) { | |
097b5973 | 1382 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1383 | route_map_notify_dependencies( |
1384 | index->map->name, | |
1385 | RMAP_EVENT_CALL_ADDED); | |
1386 | } | |
e5b4b49e | 1387 | return RMAP_COMPILE_SUCCESS; |
d62a17ae | 1388 | } |
1389 | /* Can't find matched rule. */ | |
e5b4b49e | 1390 | return RMAP_RULE_MISSING; |
718e3744 | 1391 | } |
1392 | ||
b68885f9 LK |
1393 | static enum route_map_cmd_result_t |
1394 | route_map_apply_match(struct route_map_rule_list *match_list, | |
1395 | const struct prefix *prefix, route_map_object_t type, | |
1396 | void *object) | |
1397 | { | |
1398 | enum route_map_cmd_result_t ret = RMAP_NOMATCH; | |
1399 | struct route_map_rule *match; | |
1400 | bool is_matched = false; | |
1401 | ||
1402 | ||
1403 | /* Check all match rule and if there is no match rule, go to the | |
1404 | set statement. */ | |
1405 | if (!match_list->head) | |
1406 | ret = RMAP_MATCH; | |
1407 | else { | |
1408 | for (match = match_list->head; match; match = match->next) { | |
1409 | /* | |
1410 | * Try each match statement. If any match does not | |
1411 | * return RMAP_MATCH or RMAP_NOOP, return. | |
1412 | * Otherwise continue on to next match statement. | |
1413 | * All match statements must MATCH for | |
1414 | * end-result to be a match. | |
1415 | * (Exception:If match stmts result in a mix of | |
1416 | * MATCH/NOOP, then also end-result is a match) | |
1417 | * If all result in NOOP, end-result is NOOP. | |
1418 | */ | |
1419 | ret = (*match->cmd->func_apply)(match->value, prefix, | |
1420 | type, object); | |
1421 | ||
1422 | /* | |
1423 | * If the consolidated result of func_apply is: | |
1424 | * ----------------------------------------------- | |
1425 | * | MATCH | NOMATCH | NOOP | Final Result | | |
1426 | * ------------------------------------------------ | |
1427 | * | yes | yes | yes | NOMATCH | | |
1428 | * | no | no | yes | NOOP | | |
1429 | * | yes | no | yes | MATCH | | |
1430 | * | no | yes | yes | NOMATCH | | |
1431 | * |----------------------------------------------- | |
1432 | * | |
1433 | * Traditionally, all rules within route-map | |
1434 | * should match for it to MATCH. | |
1435 | * If there are noops within the route-map rules, | |
1436 | * it follows the above matrix. | |
1437 | * | |
1438 | * Eg: route-map rm1 permit 10 | |
1439 | * match rule1 | |
1440 | * match rule2 | |
1441 | * match rule3 | |
1442 | * .... | |
1443 | * route-map rm1 permit 20 | |
1444 | * match ruleX | |
1445 | * match ruleY | |
1446 | * ... | |
1447 | */ | |
1448 | ||
1449 | switch (ret) { | |
1450 | case RMAP_MATCH: | |
1451 | is_matched = true; | |
1452 | break; | |
1453 | ||
1454 | case RMAP_NOMATCH: | |
1455 | return ret; | |
1456 | ||
1457 | case RMAP_NOOP: | |
1458 | if (is_matched) | |
1459 | ret = RMAP_MATCH; | |
1460 | break; | |
1461 | ||
1462 | default: | |
1463 | break; | |
1464 | } | |
1465 | ||
1466 | } | |
1467 | } | |
1468 | return ret; | |
1469 | } | |
1470 | ||
3bf1c917 | 1471 | /* Apply route map's each index to the object. |
1472 | ||
1473 | The matrix for a route-map looks like this: | |
1474 | (note, this includes the description for the "NEXT" | |
1475 | and "GOTO" frobs now | |
d62a17ae | 1476 | |
b68885f9 LK |
1477 | | Match | No Match | No op |
1478 | |-----------|--------------|------- | |
1479 | permit | action | cont | cont. | |
1480 | | | default:deny | default:permit | |
1481 | -------------------+----------------------- | |
1482 | | deny | cont | cont. | |
1483 | deny | | default:deny | default:permit | |
1484 | |-----------|--------------|-------- | |
d62a17ae | 1485 | |
fee0f4c6 | 1486 | action) |
1487 | -Apply Set statements, accept route | |
1488 | -If Call statement is present jump to the specified route-map, if it | |
d62a17ae | 1489 | denies the route we finish. |
fee0f4c6 | 1490 | -If NEXT is specified, goto NEXT statement |
1491 | -If GOTO is specified, goto the first clause where pref > nextpref | |
1492 | -If nothing is specified, do as Cisco and finish | |
1493 | deny) | |
1494 | -Route is denied by route-map. | |
1495 | cont) | |
1496 | -Goto Next index | |
d62a17ae | 1497 | |
3bf1c917 | 1498 | If we get no matches after we've processed all updates, then the route |
1499 | is dropped too. | |
d62a17ae | 1500 | |
fee0f4c6 | 1501 | Some notes on the new "CALL", "NEXT" and "GOTO" |
1502 | call WORD - If this clause is matched, then the set statements | |
d62a17ae | 1503 | are executed and then we jump to route-map 'WORD'. If |
1504 | this route-map denies the route, we finish, in other | |
1505 | case we | |
1506 | do whatever the exit policy (EXIT, NEXT or GOTO) tells. | |
3bf1c917 | 1507 | on-match next - If this clause is matched, then the set statements |
d62a17ae | 1508 | are executed and then we drop through to the next clause |
3bf1c917 | 1509 | on-match goto n - If this clause is matched, then the set statments |
d62a17ae | 1510 | are executed and then we goto the nth clause, or the |
1511 | first clause greater than this. In order to ensure | |
1512 | route-maps *always* exit, you cannot jump backwards. | |
1513 | Sorry ;) | |
1514 | ||
3bf1c917 | 1515 | We need to make sure our route-map processing matches the above |
718e3744 | 1516 | */ |
123214ef MS |
1517 | route_map_result_t route_map_apply(struct route_map *map, |
1518 | const struct prefix *prefix, | |
d62a17ae | 1519 | route_map_object_t type, void *object) |
1520 | { | |
1521 | static int recursion = 0; | |
b68885f9 LK |
1522 | enum route_map_cmd_result_t match_ret = RMAP_NOMATCH; |
1523 | route_map_result_t ret = RMAP_PERMITMATCH; | |
d62a17ae | 1524 | struct route_map_index *index; |
1525 | struct route_map_rule *set; | |
e3ab8170 | 1526 | char buf[PREFIX_STRLEN]; |
d62a17ae | 1527 | |
1528 | if (recursion > RMAP_RECURSION_LIMIT) { | |
040c7c3a | 1529 | flog_warn( |
450971aa | 1530 | EC_LIB_RMAP_RECURSION_LIMIT, |
d62a17ae | 1531 | "route-map recursion limit (%d) reached, discarding route", |
1532 | RMAP_RECURSION_LIMIT); | |
1533 | recursion = 0; | |
1534 | return RMAP_DENYMATCH; | |
1535 | } | |
1536 | ||
b68885f9 | 1537 | if (map == NULL || map->head == NULL) { |
e3ab8170 AD |
1538 | ret = RMAP_DENYMATCH; |
1539 | goto route_map_apply_end; | |
1540 | } | |
d62a17ae | 1541 | |
279b0607 | 1542 | map->applied++; |
d62a17ae | 1543 | for (index = map->head; index; index = index->next) { |
1544 | /* Apply this index. */ | |
279b0607 | 1545 | index->applied++; |
b68885f9 LK |
1546 | match_ret = route_map_apply_match(&index->match_list, prefix, |
1547 | type, object); | |
d62a17ae | 1548 | |
e3ab8170 AD |
1549 | if (rmap_debug) { |
1550 | zlog_debug("Route-map: %s, sequence: %d, prefix: %s, result: %s", | |
1551 | map->name, index->pref, | |
1552 | prefix2str(prefix, buf, sizeof(buf)), | |
b68885f9 | 1553 | route_map_cmd_result_str(match_ret)); |
e3ab8170 AD |
1554 | } |
1555 | ||
d62a17ae | 1556 | /* Now we apply the matrix from above */ |
b68885f9 LK |
1557 | if (match_ret == RMAP_NOOP) |
1558 | /* | |
1559 | * Do not change the return value. Retain the previous | |
1560 | * return value. Previous values can be: | |
1561 | * 1)permitmatch (if a nomatch was never | |
1562 | * seen before in this route-map.) | |
1563 | * 2)denymatch (if a nomatch was seen earlier in one | |
1564 | * of the previous sequences) | |
1565 | */ | |
1566 | ||
1567 | /* | |
1568 | * 'cont' from matrix - continue to next route-map | |
1569 | * sequence | |
1570 | */ | |
d62a17ae | 1571 | continue; |
b68885f9 LK |
1572 | else if (match_ret == RMAP_NOMATCH) { |
1573 | ||
1574 | /* | |
1575 | * The return value is now changed to denymatch. | |
1576 | * So from here on out, even if we see more noops, | |
1577 | * we retain this return value and return this | |
1578 | * eventually if there are no matches. | |
1579 | */ | |
1580 | ret = RMAP_DENYMATCH; | |
1581 | ||
1582 | /* | |
1583 | * 'cont' from matrix - continue to next route-map | |
1584 | * sequence | |
1585 | */ | |
1586 | continue; | |
1587 | } else if (match_ret == RMAP_MATCH) { | |
d62a17ae | 1588 | if (index->type == RMAP_PERMIT) |
1589 | /* 'action' */ | |
1590 | { | |
b68885f9 LK |
1591 | /* Match succeeded, rmap is of type permit */ |
1592 | ret = RMAP_PERMITMATCH; | |
1593 | ||
d62a17ae | 1594 | /* permit+match must execute sets */ |
1595 | for (set = index->set_list.head; set; | |
1596 | set = set->next) | |
b68885f9 LK |
1597 | /* |
1598 | * set cmds return RMAP_OKAY or | |
1599 | * RMAP_ERROR. We do not care if | |
1600 | * set succeeded or not. So, ignore | |
1601 | * return code. | |
1602 | */ | |
1603 | (void) (*set->cmd->func_apply)( | |
2789041a LK |
1604 | set->value, prefix, type, |
1605 | object); | |
d62a17ae | 1606 | |
1607 | /* Call another route-map if available */ | |
1608 | if (index->nextrm) { | |
1609 | struct route_map *nextrm = | |
1610 | route_map_lookup_by_name( | |
1611 | index->nextrm); | |
1612 | ||
1613 | if (nextrm) /* Target route-map found, | |
1614 | jump to it */ | |
1615 | { | |
1616 | recursion++; | |
1617 | ret = route_map_apply( | |
1618 | nextrm, prefix, type, | |
1619 | object); | |
1620 | recursion--; | |
1621 | } | |
1622 | ||
1623 | /* If nextrm returned 'deny', finish. */ | |
1624 | if (ret == RMAP_DENYMATCH) | |
e3ab8170 | 1625 | goto route_map_apply_end; |
d62a17ae | 1626 | } |
1627 | ||
1628 | switch (index->exitpolicy) { | |
1629 | case RMAP_EXIT: | |
e3ab8170 | 1630 | goto route_map_apply_end; |
d62a17ae | 1631 | case RMAP_NEXT: |
1632 | continue; | |
1633 | case RMAP_GOTO: { | |
1634 | /* Find the next clause to jump to */ | |
1635 | struct route_map_index *next = | |
1636 | index->next; | |
1637 | int nextpref = index->nextpref; | |
1638 | ||
1639 | while (next && next->pref < nextpref) { | |
1640 | index = next; | |
1641 | next = next->next; | |
1642 | } | |
1643 | if (next == NULL) { | |
1644 | /* No clauses match! */ | |
e3ab8170 | 1645 | goto route_map_apply_end; |
d62a17ae | 1646 | } |
1647 | } | |
1648 | } | |
1649 | } else if (index->type == RMAP_DENY) | |
1650 | /* 'deny' */ | |
1651 | { | |
e3ab8170 AD |
1652 | ret = RMAP_DENYMATCH; |
1653 | goto route_map_apply_end; | |
d62a17ae | 1654 | } |
1655 | } | |
1656 | } | |
e3ab8170 AD |
1657 | |
1658 | route_map_apply_end: | |
1659 | if (rmap_debug) { | |
1660 | zlog_debug("Route-map: %s, prefix: %s, result: %s", | |
1661 | (map ? map->name : "null"), | |
1662 | prefix2str(prefix, buf, sizeof(buf)), | |
1663 | route_map_result_str(ret)); | |
1664 | } | |
1665 | ||
1666 | return (ret); | |
d62a17ae | 1667 | } |
1668 | ||
1669 | void route_map_add_hook(void (*func)(const char *)) | |
1670 | { | |
1671 | route_map_master.add_hook = func; | |
1672 | } | |
1673 | ||
1674 | void route_map_delete_hook(void (*func)(const char *)) | |
1675 | { | |
1676 | route_map_master.delete_hook = func; | |
1677 | } | |
1678 | ||
097b5973 | 1679 | void route_map_event_hook(void (*func)(const char *name)) |
d62a17ae | 1680 | { |
1681 | route_map_master.event_hook = func; | |
718e3744 | 1682 | } |
1683 | ||
518f0eb1 | 1684 | /* Routines for route map dependency lists and dependency processing */ |
74df8d6d | 1685 | static bool route_map_rmap_hash_cmp(const void *p1, const void *p2) |
518f0eb1 | 1686 | { |
e2c8d6ce NT |
1687 | return strcmp(((const struct route_map_dep_data *)p1)->rname, |
1688 | ((const struct route_map_dep_data *)p2)->rname) | |
1689 | == 0; | |
518f0eb1 DS |
1690 | } |
1691 | ||
74df8d6d | 1692 | static bool route_map_dep_hash_cmp(const void *p1, const void *p2) |
518f0eb1 DS |
1693 | { |
1694 | ||
d62a17ae | 1695 | return (strcmp(((const struct route_map_dep *)p1)->dep_name, |
1696 | (const char *)p2) | |
1697 | == 0); | |
518f0eb1 DS |
1698 | } |
1699 | ||
e3b78da8 | 1700 | static void route_map_clear_reference(struct hash_bucket *bucket, void *arg) |
518f0eb1 | 1701 | { |
e2c8d6ce NT |
1702 | struct route_map_dep *dep = bucket->data; |
1703 | struct route_map_dep_data *dep_data = NULL, tmp_dep_data; | |
518f0eb1 | 1704 | |
1fae5ff2 | 1705 | if (arg) { |
e2c8d6ce NT |
1706 | memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); |
1707 | tmp_dep_data.rname = arg; | |
1708 | dep_data = hash_release(dep->dep_rmap_hash, | |
1709 | &tmp_dep_data); | |
1710 | if (dep_data) { | |
1711 | XFREE(MTYPE_ROUTE_MAP_NAME, dep_data->rname); | |
1712 | XFREE(MTYPE_ROUTE_MAP_DEP_DATA, dep_data); | |
d62a17ae | 1713 | } |
1714 | if (!dep->dep_rmap_hash->count) { | |
1715 | dep = hash_release(dep->this_hash, | |
1716 | (void *)dep->dep_name); | |
1717 | hash_free(dep->dep_rmap_hash); | |
1718 | XFREE(MTYPE_ROUTE_MAP_NAME, dep->dep_name); | |
1719 | XFREE(MTYPE_ROUTE_MAP_DEP, dep); | |
1720 | } | |
518f0eb1 | 1721 | } |
d62a17ae | 1722 | } |
1723 | ||
1724 | static void route_map_clear_all_references(char *rmap_name) | |
1725 | { | |
1726 | int i; | |
1727 | ||
1728 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) { | |
1729 | hash_iterate(route_map_dep_hash[i], route_map_clear_reference, | |
1730 | (void *)rmap_name); | |
518f0eb1 | 1731 | } |
518f0eb1 DS |
1732 | } |
1733 | ||
e2c8d6ce NT |
1734 | static unsigned int route_map_dep_data_hash_make_key(const void *p) |
1735 | { | |
1736 | const struct route_map_dep_data *dep_data = p; | |
1737 | ||
1738 | return string_hash_make(dep_data->rname); | |
1739 | } | |
1740 | ||
d62a17ae | 1741 | static void *route_map_dep_hash_alloc(void *p) |
518f0eb1 | 1742 | { |
d62a17ae | 1743 | char *dep_name = (char *)p; |
1744 | struct route_map_dep *dep_entry; | |
1745 | ||
1746 | dep_entry = XCALLOC(MTYPE_ROUTE_MAP_DEP, sizeof(struct route_map_dep)); | |
1747 | dep_entry->dep_name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, dep_name); | |
996c9314 | 1748 | dep_entry->dep_rmap_hash = |
e2c8d6ce | 1749 | hash_create_size(8, route_map_dep_data_hash_make_key, |
996c9314 | 1750 | route_map_rmap_hash_cmp, "Route Map Dep Hash"); |
d62a17ae | 1751 | dep_entry->this_hash = NULL; |
1752 | ||
e2c8d6ce | 1753 | return dep_entry; |
d62a17ae | 1754 | } |
518f0eb1 | 1755 | |
d62a17ae | 1756 | static void *route_map_name_hash_alloc(void *p) |
1757 | { | |
e2c8d6ce NT |
1758 | struct route_map_dep_data *dep_data = NULL, *tmp_dep_data = NULL; |
1759 | ||
1760 | dep_data = XCALLOC(MTYPE_ROUTE_MAP_DEP_DATA, | |
1761 | sizeof(struct route_map_dep_data)); | |
1762 | tmp_dep_data = p; | |
1763 | dep_data->rname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, tmp_dep_data->rname); | |
1764 | return dep_data; | |
518f0eb1 DS |
1765 | } |
1766 | ||
d8b87afe | 1767 | static unsigned int route_map_dep_hash_make_key(const void *p) |
518f0eb1 | 1768 | { |
d62a17ae | 1769 | return (string_hash_make((char *)p)); |
1770 | } | |
518f0eb1 | 1771 | |
e3b78da8 | 1772 | static void route_map_print_dependency(struct hash_bucket *bucket, void *data) |
d62a17ae | 1773 | { |
e2c8d6ce NT |
1774 | struct route_map_dep_data *dep_data = bucket->data; |
1775 | char *rmap_name = dep_data->rname; | |
1776 | char *dep_name = data; | |
518f0eb1 | 1777 | |
1fae5ff2 DS |
1778 | zlog_debug("%s: Dependency for %s: %s", __FUNCTION__, dep_name, |
1779 | rmap_name); | |
518f0eb1 DS |
1780 | } |
1781 | ||
d62a17ae | 1782 | static int route_map_dep_update(struct hash *dephash, const char *dep_name, |
1783 | const char *rmap_name, route_map_event_t type) | |
518f0eb1 | 1784 | { |
d62a17ae | 1785 | struct route_map_dep *dep = NULL; |
d62a17ae | 1786 | char *dname, *rname; |
1787 | int ret = 0; | |
e2c8d6ce NT |
1788 | struct route_map_dep_data *dep_data = NULL, *ret_dep_data = NULL; |
1789 | struct route_map_dep_data tmp_dep_data; | |
d62a17ae | 1790 | |
1791 | dname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, dep_name); | |
1792 | rname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap_name); | |
1793 | ||
1794 | switch (type) { | |
1795 | case RMAP_EVENT_PLIST_ADDED: | |
1796 | case RMAP_EVENT_CLIST_ADDED: | |
1797 | case RMAP_EVENT_ECLIST_ADDED: | |
1798 | case RMAP_EVENT_ASLIST_ADDED: | |
1799 | case RMAP_EVENT_LLIST_ADDED: | |
1800 | case RMAP_EVENT_CALL_ADDED: | |
1801 | case RMAP_EVENT_FILTER_ADDED: | |
1802 | if (rmap_debug) | |
e3ab8170 AD |
1803 | zlog_debug("Adding dependency for filter %s in route-map %s", |
1804 | dep_name, rmap_name); | |
d62a17ae | 1805 | dep = (struct route_map_dep *)hash_get( |
1806 | dephash, dname, route_map_dep_hash_alloc); | |
1807 | if (!dep) { | |
1808 | ret = -1; | |
1809 | goto out; | |
1810 | } | |
1811 | ||
1812 | if (!dep->this_hash) | |
1813 | dep->this_hash = dephash; | |
1814 | ||
e2c8d6ce NT |
1815 | memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); |
1816 | tmp_dep_data.rname = rname; | |
1817 | dep_data = hash_lookup(dep->dep_rmap_hash, &tmp_dep_data); | |
1818 | if (!dep_data) | |
1819 | dep_data = hash_get(dep->dep_rmap_hash, &tmp_dep_data, | |
1820 | route_map_name_hash_alloc); | |
1821 | ||
1822 | dep_data->refcnt++; | |
d62a17ae | 1823 | break; |
1824 | case RMAP_EVENT_PLIST_DELETED: | |
1825 | case RMAP_EVENT_CLIST_DELETED: | |
1826 | case RMAP_EVENT_ECLIST_DELETED: | |
1827 | case RMAP_EVENT_ASLIST_DELETED: | |
1828 | case RMAP_EVENT_LLIST_DELETED: | |
1829 | case RMAP_EVENT_CALL_DELETED: | |
1830 | case RMAP_EVENT_FILTER_DELETED: | |
1831 | if (rmap_debug) | |
e3ab8170 AD |
1832 | zlog_debug("Deleting dependency for filter %s in route-map %s", |
1833 | dep_name, rmap_name); | |
d62a17ae | 1834 | dep = (struct route_map_dep *)hash_get(dephash, dname, NULL); |
1835 | if (!dep) { | |
1836 | goto out; | |
1837 | } | |
1838 | ||
e2c8d6ce NT |
1839 | memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); |
1840 | tmp_dep_data.rname = rname; | |
1841 | dep_data = hash_lookup(dep->dep_rmap_hash, &tmp_dep_data); | |
1842 | dep_data->refcnt--; | |
1843 | ||
1844 | if (!dep_data->refcnt) { | |
1845 | ret_dep_data = hash_release(dep->dep_rmap_hash, | |
1846 | &tmp_dep_data); | |
1847 | if (ret_dep_data) { | |
1848 | XFREE(MTYPE_ROUTE_MAP_NAME, | |
1849 | ret_dep_data->rname); | |
1850 | XFREE(MTYPE_ROUTE_MAP_DEP_DATA, ret_dep_data); | |
1851 | } | |
1852 | } | |
d62a17ae | 1853 | |
1854 | if (!dep->dep_rmap_hash->count) { | |
1855 | dep = hash_release(dephash, dname); | |
1856 | hash_free(dep->dep_rmap_hash); | |
1857 | XFREE(MTYPE_ROUTE_MAP_NAME, dep->dep_name); | |
1858 | XFREE(MTYPE_ROUTE_MAP_DEP, dep); | |
1859 | dep = NULL; | |
1860 | } | |
1861 | break; | |
ba1707ca DS |
1862 | case RMAP_EVENT_SET_ADDED: |
1863 | case RMAP_EVENT_SET_DELETED: | |
1864 | case RMAP_EVENT_SET_REPLACED: | |
1865 | case RMAP_EVENT_MATCH_ADDED: | |
1866 | case RMAP_EVENT_MATCH_DELETED: | |
1867 | case RMAP_EVENT_MATCH_REPLACED: | |
1868 | case RMAP_EVENT_INDEX_ADDED: | |
1869 | case RMAP_EVENT_INDEX_DELETED: | |
d62a17ae | 1870 | break; |
1871 | } | |
1872 | ||
1873 | if (dep) { | |
1874 | if (rmap_debug) | |
1875 | hash_iterate(dep->dep_rmap_hash, | |
1876 | route_map_print_dependency, dname); | |
1877 | } | |
1878 | ||
1879 | out: | |
1880 | XFREE(MTYPE_ROUTE_MAP_NAME, rname); | |
1881 | XFREE(MTYPE_ROUTE_MAP_NAME, dname); | |
1882 | return ret; | |
1883 | } | |
1884 | ||
1885 | static struct hash *route_map_get_dep_hash(route_map_event_t event) | |
1886 | { | |
1887 | struct hash *upd8_hash = NULL; | |
1888 | ||
1889 | switch (event) { | |
1890 | case RMAP_EVENT_PLIST_ADDED: | |
1891 | case RMAP_EVENT_PLIST_DELETED: | |
1892 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_PLIST]; | |
1893 | break; | |
1894 | case RMAP_EVENT_CLIST_ADDED: | |
1895 | case RMAP_EVENT_CLIST_DELETED: | |
1896 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_CLIST]; | |
1897 | break; | |
1898 | case RMAP_EVENT_ECLIST_ADDED: | |
1899 | case RMAP_EVENT_ECLIST_DELETED: | |
1900 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_ECLIST]; | |
1901 | break; | |
1902 | case RMAP_EVENT_ASLIST_ADDED: | |
1903 | case RMAP_EVENT_ASLIST_DELETED: | |
1904 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_ASPATH]; | |
1905 | break; | |
1906 | case RMAP_EVENT_LLIST_ADDED: | |
1907 | case RMAP_EVENT_LLIST_DELETED: | |
1908 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_LCLIST]; | |
1909 | break; | |
1910 | case RMAP_EVENT_CALL_ADDED: | |
1911 | case RMAP_EVENT_CALL_DELETED: | |
5ed2e47b | 1912 | case RMAP_EVENT_MATCH_ADDED: |
1913 | case RMAP_EVENT_MATCH_DELETED: | |
d62a17ae | 1914 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_RMAP]; |
1915 | break; | |
1916 | case RMAP_EVENT_FILTER_ADDED: | |
1917 | case RMAP_EVENT_FILTER_DELETED: | |
1918 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_FILTER]; | |
1919 | break; | |
ba1707ca DS |
1920 | /* |
1921 | * Should we actually be ignoring these? | |
1922 | * I am not sure but at this point in time, let | |
1923 | * us get them into this switch and we can peel | |
1924 | * them into the appropriate place in the future | |
1925 | */ | |
1926 | case RMAP_EVENT_SET_ADDED: | |
1927 | case RMAP_EVENT_SET_DELETED: | |
1928 | case RMAP_EVENT_SET_REPLACED: | |
1929 | case RMAP_EVENT_MATCH_REPLACED: | |
1930 | case RMAP_EVENT_INDEX_ADDED: | |
1931 | case RMAP_EVENT_INDEX_DELETED: | |
d62a17ae | 1932 | upd8_hash = NULL; |
1933 | break; | |
1934 | } | |
1935 | return (upd8_hash); | |
518f0eb1 DS |
1936 | } |
1937 | ||
e3b78da8 | 1938 | static void route_map_process_dependency(struct hash_bucket *bucket, void *data) |
518f0eb1 | 1939 | { |
e2c8d6ce NT |
1940 | struct route_map_dep_data *dep_data = NULL; |
1941 | char *rmap_name = NULL; | |
1942 | ||
1943 | dep_data = bucket->data; | |
1944 | rmap_name = dep_data->rname; | |
d62a17ae | 1945 | |
1fae5ff2 | 1946 | if (rmap_debug) |
e3ab8170 | 1947 | zlog_debug("Notifying %s of dependency", rmap_name); |
1fae5ff2 | 1948 | if (route_map_master.event_hook) |
097b5973 | 1949 | (*route_map_master.event_hook)(rmap_name); |
518f0eb1 DS |
1950 | } |
1951 | ||
d62a17ae | 1952 | void route_map_upd8_dependency(route_map_event_t type, const char *arg, |
1953 | const char *rmap_name) | |
518f0eb1 | 1954 | { |
d62a17ae | 1955 | struct hash *upd8_hash = NULL; |
518f0eb1 | 1956 | |
fdf823db | 1957 | if ((upd8_hash = route_map_get_dep_hash(type))) { |
d62a17ae | 1958 | route_map_dep_update(upd8_hash, arg, rmap_name, type); |
fdf823db NT |
1959 | |
1960 | if (type == RMAP_EVENT_CALL_ADDED) { | |
1961 | /* Execute hook. */ | |
1962 | if (route_map_master.add_hook) | |
1963 | (*route_map_master.add_hook)(rmap_name); | |
1964 | } else if (type == RMAP_EVENT_CALL_DELETED) { | |
1965 | /* Execute hook. */ | |
1966 | if (route_map_master.delete_hook) | |
1967 | (*route_map_master.delete_hook)(rmap_name); | |
1968 | } | |
1969 | } | |
518f0eb1 DS |
1970 | } |
1971 | ||
d62a17ae | 1972 | void route_map_notify_dependencies(const char *affected_name, |
1973 | route_map_event_t event) | |
518f0eb1 | 1974 | { |
d62a17ae | 1975 | struct route_map_dep *dep; |
1976 | struct hash *upd8_hash; | |
1977 | char *name; | |
1978 | ||
1979 | if (!affected_name) | |
1980 | return; | |
1981 | ||
1982 | name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, affected_name); | |
1983 | ||
1984 | if ((upd8_hash = route_map_get_dep_hash(event)) == NULL) { | |
1985 | XFREE(MTYPE_ROUTE_MAP_NAME, name); | |
1986 | return; | |
518f0eb1 | 1987 | } |
d62a17ae | 1988 | |
1989 | dep = (struct route_map_dep *)hash_get(upd8_hash, name, NULL); | |
1990 | if (dep) { | |
1991 | if (!dep->this_hash) | |
1992 | dep->this_hash = upd8_hash; | |
1993 | ||
e3ab8170 AD |
1994 | if (rmap_debug) |
1995 | zlog_debug("Filter %s updated", dep->dep_name); | |
d62a17ae | 1996 | hash_iterate(dep->dep_rmap_hash, route_map_process_dependency, |
1997 | (void *)event); | |
1998 | } | |
1999 | ||
2000 | XFREE(MTYPE_ROUTE_MAP_NAME, name); | |
518f0eb1 DS |
2001 | } |
2002 | ||
82f97584 | 2003 | |
718e3744 | 2004 | /* VTY related functions. */ |
1fa30509 DS |
2005 | static void clear_route_map_helper(struct route_map *map) |
2006 | { | |
2007 | struct route_map_index *index; | |
2008 | ||
2009 | map->applied_clear = map->applied; | |
2010 | for (index = map->head; index; index = index->next) | |
2011 | index->applied_clear = index->applied; | |
2012 | } | |
2013 | ||
2014 | DEFUN (rmap_clear_counters, | |
2015 | rmap_clear_counters_cmd, | |
2016 | "clear route-map counters [WORD]", | |
2017 | CLEAR_STR | |
2018 | "route-map information\n" | |
2019 | "counters associated with the specified route-map\n" | |
2020 | "route-map name\n") | |
2021 | { | |
2022 | int idx_word = 2; | |
2023 | struct route_map *map; | |
2024 | ||
2025 | const char *name = (argc == 3 ) ? argv[idx_word]->arg : NULL; | |
2026 | ||
2027 | if (name) { | |
2028 | map = route_map_lookup_by_name(name); | |
2029 | ||
2030 | if (map) | |
2031 | clear_route_map_helper(map); | |
2032 | else { | |
2033 | vty_out(vty, "%s: 'route-map %s' not found\n", | |
2034 | frr_protonameinst, name); | |
2035 | return CMD_SUCCESS; | |
2036 | } | |
2037 | } else { | |
2038 | for (map = route_map_master.head; map; map = map->next) | |
2039 | clear_route_map_helper(map); | |
2040 | } | |
2041 | ||
2042 | return CMD_SUCCESS; | |
2043 | ||
2044 | } | |
5510e83b | 2045 | |
6d2729e3 | 2046 | DEFUN (rmap_show_name, |
5510e83b | 2047 | rmap_show_name_cmd, |
7514fb77 | 2048 | "show route-map [WORD]", |
5510e83b | 2049 | SHOW_STR |
2050 | "route-map information\n" | |
2051 | "route-map name\n") | |
2052 | { | |
d62a17ae | 2053 | int idx_word = 2; |
2054 | const char *name = (argc == 3) ? argv[idx_word]->arg : NULL; | |
2055 | return vty_show_route_map(vty, name); | |
5510e83b | 2056 | } |
2057 | ||
4a2a09d0 | 2058 | DEFUN (rmap_show_unused, |
2059 | rmap_show_unused_cmd, | |
2060 | "show route-map-unused", | |
2061 | SHOW_STR | |
2062 | "unused route-map information\n") | |
2063 | { | |
2064 | return vty_show_unused_route_map(vty); | |
2065 | } | |
2066 | ||
e3ab8170 AD |
2067 | DEFUN (debug_rmap, |
2068 | debug_rmap_cmd, | |
2069 | "debug route-map", | |
2070 | DEBUG_STR | |
2071 | "Debug option set for route-maps\n") | |
2072 | { | |
2073 | rmap_debug = true; | |
2074 | return CMD_SUCCESS; | |
2075 | } | |
2076 | ||
2077 | DEFUN (no_debug_rmap, | |
2078 | no_debug_rmap_cmd, | |
2079 | "no debug route-map", | |
2080 | NO_STR | |
2081 | DEBUG_STR | |
2082 | "Debug option set for route-maps\n") | |
2083 | { | |
2084 | rmap_debug = false; | |
2085 | return CMD_SUCCESS; | |
2086 | } | |
2087 | ||
2088 | /* Debug node. */ | |
2089 | static struct cmd_node rmap_debug_node = {RMAP_DEBUG_NODE, "", 1}; | |
2090 | ||
718e3744 | 2091 | /* Configuration write function. */ |
e3ab8170 AD |
2092 | static int rmap_config_write_debug(struct vty *vty) |
2093 | { | |
2094 | int write = 0; | |
2095 | ||
2096 | if (rmap_debug) { | |
2097 | vty_out(vty, "debug route-map\n"); | |
2098 | write++; | |
2099 | } | |
2100 | ||
2101 | return write; | |
2102 | } | |
2103 | ||
dc9ffce8 CF |
2104 | /* Common route map rules */ |
2105 | ||
d62a17ae | 2106 | void *route_map_rule_tag_compile(const char *arg) |
dc9ffce8 | 2107 | { |
d62a17ae | 2108 | unsigned long int tmp; |
2109 | char *endptr; | |
2110 | route_tag_t *tag; | |
dc9ffce8 | 2111 | |
d62a17ae | 2112 | errno = 0; |
2113 | tmp = strtoul(arg, &endptr, 0); | |
2114 | if (arg[0] == '\0' || *endptr != '\0' || errno || tmp > ROUTE_TAG_MAX) | |
2115 | return NULL; | |
dc9ffce8 | 2116 | |
d62a17ae | 2117 | tag = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(*tag)); |
2118 | *tag = tmp; | |
dc9ffce8 | 2119 | |
d62a17ae | 2120 | return tag; |
dc9ffce8 CF |
2121 | } |
2122 | ||
d62a17ae | 2123 | void route_map_rule_tag_free(void *rule) |
dc9ffce8 | 2124 | { |
d62a17ae | 2125 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); |
dc9ffce8 CF |
2126 | } |
2127 | ||
d62a17ae | 2128 | void route_map_finish(void) |
9df78e7c | 2129 | { |
d62a17ae | 2130 | int i; |
9df78e7c | 2131 | |
d62a17ae | 2132 | vector_free(route_match_vec); |
2133 | route_match_vec = NULL; | |
2134 | vector_free(route_set_vec); | |
2135 | route_set_vec = NULL; | |
9df78e7c | 2136 | |
8619629a DS |
2137 | /* |
2138 | * All protocols are setting these to NULL | |
2139 | * by default on shutdown( route_map_finish ) | |
2140 | * Why are we making them do this work? | |
2141 | */ | |
2142 | route_map_master.add_hook = NULL; | |
2143 | route_map_master.delete_hook = NULL; | |
2144 | route_map_master.event_hook = NULL; | |
2145 | ||
d62a17ae | 2146 | /* cleanup route_map */ |
2147 | while (route_map_master.head) { | |
2148 | struct route_map *map = route_map_master.head; | |
e4694d0d | 2149 | map->to_be_processed = false; |
d62a17ae | 2150 | route_map_delete(map); |
2151 | } | |
9df78e7c | 2152 | |
d62a17ae | 2153 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) { |
2154 | hash_free(route_map_dep_hash[i]); | |
2155 | route_map_dep_hash[i] = NULL; | |
2156 | } | |
9df78e7c | 2157 | |
d62a17ae | 2158 | hash_free(route_map_master_hash); |
2159 | route_map_master_hash = NULL; | |
9df78e7c DS |
2160 | } |
2161 | ||
4a2a09d0 | 2162 | /* Increment the use_count counter while attaching the route map */ |
2163 | void route_map_counter_increment(struct route_map *map) | |
2164 | { | |
2165 | if (map) | |
2166 | map->use_count++; | |
2167 | } | |
2168 | ||
2169 | /* Decrement the use_count counter while detaching the route map. */ | |
2170 | void route_map_counter_decrement(struct route_map *map) | |
2171 | { | |
2172 | if (map) { | |
2173 | if (map->use_count <= 0) | |
2174 | return; | |
2175 | map->use_count--; | |
2176 | } | |
2177 | } | |
2178 | ||
718e3744 | 2179 | /* Initialization of route map vector. */ |
d62a17ae | 2180 | void route_map_init(void) |
718e3744 | 2181 | { |
d62a17ae | 2182 | int i; |
2183 | ||
2184 | /* Make vector for match and set. */ | |
2185 | route_match_vec = vector_init(1); | |
2186 | route_set_vec = vector_init(1); | |
2187 | route_map_master_hash = | |
996c9314 | 2188 | hash_create_size(8, route_map_hash_key_make, route_map_hash_cmp, |
bd74dc61 | 2189 | "Route Map Master Hash"); |
d62a17ae | 2190 | |
2191 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) | |
996c9314 LB |
2192 | route_map_dep_hash[i] = hash_create_size( |
2193 | 8, route_map_dep_hash_make_key, route_map_dep_hash_cmp, | |
2194 | "Route Map Dep Hash"); | |
b2575bc0 | 2195 | |
e3ab8170 AD |
2196 | rmap_debug = false; |
2197 | ||
2b3e4807 | 2198 | route_map_cli_init(); |
518f0eb1 | 2199 | |
2b3e4807 | 2200 | /* Install route map top node. */ |
e3ab8170 AD |
2201 | install_node(&rmap_debug_node, rmap_config_write_debug); |
2202 | ||
d62a17ae | 2203 | /* Install route map commands. */ |
e3ab8170 AD |
2204 | install_element(CONFIG_NODE, &debug_rmap_cmd); |
2205 | install_element(CONFIG_NODE, &no_debug_rmap_cmd); | |
2206 | ||
d62a17ae | 2207 | /* Install show command */ |
1fa30509 DS |
2208 | install_element(ENABLE_NODE, &rmap_clear_counters_cmd); |
2209 | ||
d62a17ae | 2210 | install_element(ENABLE_NODE, &rmap_show_name_cmd); |
4a2a09d0 | 2211 | install_element(ENABLE_NODE, &rmap_show_unused_cmd); |
82f97584 | 2212 | |
e3ab8170 AD |
2213 | install_element(ENABLE_NODE, &debug_rmap_cmd); |
2214 | install_element(ENABLE_NODE, &no_debug_rmap_cmd); | |
718e3744 | 2215 | } |