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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" | |
856ed18a | 25 | #include "command.h" |
718e3744 | 26 | #include "vector.h" |
27 | #include "prefix.h" | |
82f97584 | 28 | #include "vty.h" |
718e3744 | 29 | #include "routemap.h" |
30 | #include "command.h" | |
fee0f4c6 | 31 | #include "log.h" |
518f0eb1 | 32 | #include "hash.h" |
b85120bc | 33 | #include "libfrr.h" |
040c7c3a | 34 | #include "lib_errors.h" |
49a08bb0 | 35 | #include "table.h" |
856ed18a | 36 | #include "json.h" |
88711d8a | 37 | #include "jhash.h" |
6b0655a2 | 38 | |
bf8d3d6a DL |
39 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP, "Route map"); |
40 | DEFINE_MTYPE(LIB, ROUTE_MAP_NAME, "Route map name"); | |
41 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_INDEX, "Route map index"); | |
42 | DEFINE_MTYPE(LIB, ROUTE_MAP_RULE, "Route map rule"); | |
43 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_RULE_STR, "Route map rule str"); | |
44 | DEFINE_MTYPE(LIB, ROUTE_MAP_COMPILED, "Route map compiled"); | |
45 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_DEP, "Route map dependency"); | |
46 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_DEP_DATA, "Route map dependency data"); | |
4a1ab8e4 | 47 | |
96244aca DL |
48 | DEFINE_QOBJ_TYPE(route_map_index); |
49 | DEFINE_QOBJ_TYPE(route_map); | |
e80e7cce | 50 | |
88711d8a DL |
51 | static int rmap_cmd_name_cmp(const struct route_map_rule_cmd_proxy *a, |
52 | const struct route_map_rule_cmd_proxy *b) | |
53 | { | |
54 | return strcmp(a->cmd->str, b->cmd->str); | |
55 | } | |
56 | ||
57 | static uint32_t rmap_cmd_name_hash(const struct route_map_rule_cmd_proxy *item) | |
58 | { | |
59 | return jhash(item->cmd->str, strlen(item->cmd->str), 0xbfd69320); | |
60 | } | |
61 | ||
62 | DECLARE_HASH(rmap_cmd_name, struct route_map_rule_cmd_proxy, itm, | |
63 | rmap_cmd_name_cmp, rmap_cmd_name_hash); | |
64 | ||
65 | static struct rmap_cmd_name_head rmap_match_cmds[1] = { | |
66 | INIT_HASH(rmap_match_cmds[0]), | |
67 | }; | |
68 | static struct rmap_cmd_name_head rmap_set_cmds[1] = { | |
69 | INIT_HASH(rmap_set_cmds[0]), | |
70 | }; | |
71 | ||
49a08bb0 NT |
72 | #define IPv4_PREFIX_LIST "ip address prefix-list" |
73 | #define IPv6_PREFIX_LIST "ipv6 address prefix-list" | |
49a08bb0 | 74 | |
2d26f094 NT |
75 | #define IS_RULE_IPv4_PREFIX_LIST(S) \ |
76 | (strncmp(S, IPv4_PREFIX_LIST, strlen(IPv4_PREFIX_LIST)) == 0) | |
77 | #define IS_RULE_IPv6_PREFIX_LIST(S) \ | |
78 | (strncmp(S, IPv6_PREFIX_LIST, strlen(IPv6_PREFIX_LIST)) == 0) | |
79 | ||
49a08bb0 NT |
80 | struct route_map_pentry_dep { |
81 | struct prefix_list_entry *pentry; | |
82 | const char *plist_name; | |
83 | route_map_event_t event; | |
84 | }; | |
85 | ||
2d26f094 NT |
86 | static void route_map_pfx_tbl_update(route_map_event_t event, |
87 | struct route_map_index *index, afi_t afi, | |
88 | const char *plist_name); | |
89 | static void route_map_pfx_table_add_default(afi_t afi, | |
90 | struct route_map_index *index); | |
91 | static void route_map_pfx_table_del_default(afi_t afi, | |
92 | struct route_map_index *index); | |
93 | static void route_map_add_plist_entries(afi_t afi, | |
94 | struct route_map_index *index, | |
95 | const char *plist_name, | |
96 | struct prefix_list_entry *entry); | |
97 | static void route_map_del_plist_entries(afi_t afi, | |
98 | struct route_map_index *index, | |
99 | const char *plist_name, | |
100 | struct prefix_list_entry *entry); | |
2d26f094 NT |
101 | |
102 | static struct hash *route_map_get_dep_hash(route_map_event_t event); | |
49a08bb0 | 103 | |
a7282663 | 104 | struct route_map_match_set_hooks rmap_match_set_hook; |
82f97584 DW |
105 | |
106 | /* match interface */ | |
d62a17ae | 107 | void route_map_match_interface_hook(int (*func)( |
d5d737a2 SP |
108 | struct route_map_index *index, const char *command, |
109 | const char *arg, route_map_event_t type, | |
110 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 111 | { |
d62a17ae | 112 | rmap_match_set_hook.match_interface = func; |
82f97584 DW |
113 | } |
114 | ||
115 | /* no match interface */ | |
d62a17ae | 116 | void route_map_no_match_interface_hook(int (*func)( |
d5d737a2 SP |
117 | struct route_map_index *index, const char *command, |
118 | const char *arg, route_map_event_t type, | |
119 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 120 | { |
d62a17ae | 121 | rmap_match_set_hook.no_match_interface = func; |
82f97584 DW |
122 | } |
123 | ||
124 | /* match ip address */ | |
d62a17ae | 125 | void route_map_match_ip_address_hook(int (*func)( |
d5d737a2 SP |
126 | struct route_map_index *index, const char *command, |
127 | const char *arg, route_map_event_t type, | |
128 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 129 | { |
d62a17ae | 130 | rmap_match_set_hook.match_ip_address = func; |
82f97584 DW |
131 | } |
132 | ||
133 | /* no match ip address */ | |
d62a17ae | 134 | void route_map_no_match_ip_address_hook(int (*func)( |
d5d737a2 SP |
135 | struct route_map_index *index, const char *command, |
136 | const char *arg, route_map_event_t type, | |
137 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 138 | { |
d62a17ae | 139 | rmap_match_set_hook.no_match_ip_address = func; |
82f97584 DW |
140 | } |
141 | ||
142 | /* match ip address prefix list */ | |
d62a17ae | 143 | void route_map_match_ip_address_prefix_list_hook(int (*func)( |
d5d737a2 SP |
144 | struct route_map_index *index, const char *command, |
145 | const char *arg, route_map_event_t type, | |
146 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 147 | { |
d62a17ae | 148 | rmap_match_set_hook.match_ip_address_prefix_list = func; |
82f97584 DW |
149 | } |
150 | ||
151 | /* no match ip address prefix list */ | |
d62a17ae | 152 | void route_map_no_match_ip_address_prefix_list_hook(int (*func)( |
d5d737a2 SP |
153 | struct route_map_index *index, const char *command, |
154 | const char *arg, route_map_event_t type, | |
155 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 156 | { |
d62a17ae | 157 | rmap_match_set_hook.no_match_ip_address_prefix_list = func; |
82f97584 DW |
158 | } |
159 | ||
160 | /* match ip next hop */ | |
d62a17ae | 161 | void route_map_match_ip_next_hop_hook(int (*func)( |
d5d737a2 SP |
162 | struct route_map_index *index, const char *command, |
163 | const char *arg, route_map_event_t type, | |
164 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 165 | { |
d62a17ae | 166 | rmap_match_set_hook.match_ip_next_hop = func; |
82f97584 DW |
167 | } |
168 | ||
169 | /* no match ip next hop */ | |
d62a17ae | 170 | void route_map_no_match_ip_next_hop_hook(int (*func)( |
d5d737a2 SP |
171 | struct route_map_index *index, const char *command, |
172 | const char *arg, route_map_event_t type, | |
173 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 174 | { |
d62a17ae | 175 | rmap_match_set_hook.no_match_ip_next_hop = func; |
82f97584 DW |
176 | } |
177 | ||
bc63ba98 DA |
178 | /* match ipv6 next-hop */ |
179 | void route_map_match_ipv6_next_hop_hook(int (*func)( | |
180 | struct route_map_index *index, const char *command, const char *arg, | |
181 | route_map_event_t type, char *errmsg, size_t errmsg_len)) | |
182 | { | |
183 | rmap_match_set_hook.match_ipv6_next_hop = func; | |
184 | } | |
185 | ||
186 | /* no match ipv6 next-hop */ | |
187 | void route_map_no_match_ipv6_next_hop_hook(int (*func)( | |
188 | struct route_map_index *index, const char *command, const char *arg, | |
189 | route_map_event_t type, char *errmsg, size_t errmsg_len)) | |
190 | { | |
191 | rmap_match_set_hook.no_match_ipv6_next_hop = func; | |
192 | } | |
193 | ||
82f97584 | 194 | /* match ip next hop prefix list */ |
d62a17ae | 195 | void route_map_match_ip_next_hop_prefix_list_hook(int (*func)( |
d5d737a2 SP |
196 | struct route_map_index *index, const char *command, |
197 | const char *arg, route_map_event_t type, | |
198 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 199 | { |
d62a17ae | 200 | rmap_match_set_hook.match_ip_next_hop_prefix_list = func; |
82f97584 DW |
201 | } |
202 | ||
203 | /* no match ip next hop prefix list */ | |
d62a17ae | 204 | void route_map_no_match_ip_next_hop_prefix_list_hook(int (*func)( |
d5d737a2 SP |
205 | struct route_map_index *index, const char *command, |
206 | const char *arg, route_map_event_t type, | |
207 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 208 | { |
d62a17ae | 209 | rmap_match_set_hook.no_match_ip_next_hop_prefix_list = func; |
82f97584 DW |
210 | } |
211 | ||
f554fda7 | 212 | /* match ip next-hop type */ |
61ad901e | 213 | void route_map_match_ip_next_hop_type_hook(int (*func)( |
d5d737a2 SP |
214 | struct route_map_index *index, const char *command, |
215 | const char *arg, route_map_event_t type, | |
216 | char *errmsg, size_t errmsg_len)) | |
61ad901e DA |
217 | { |
218 | rmap_match_set_hook.match_ip_next_hop_type = func; | |
219 | } | |
220 | ||
f554fda7 | 221 | /* no match ip next-hop type */ |
61ad901e | 222 | void route_map_no_match_ip_next_hop_type_hook(int (*func)( |
d5d737a2 SP |
223 | struct route_map_index *index, const char *command, |
224 | const char *arg, route_map_event_t type, | |
225 | char *errmsg, size_t errmsg_len)) | |
61ad901e DA |
226 | { |
227 | rmap_match_set_hook.no_match_ip_next_hop_type = func; | |
228 | } | |
229 | ||
82f97584 | 230 | /* match ipv6 address */ |
d62a17ae | 231 | void route_map_match_ipv6_address_hook(int (*func)( |
d5d737a2 SP |
232 | struct route_map_index *index, const char *command, |
233 | const char *arg, route_map_event_t type, | |
234 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 235 | { |
d62a17ae | 236 | rmap_match_set_hook.match_ipv6_address = func; |
82f97584 DW |
237 | } |
238 | ||
239 | /* no match ipv6 address */ | |
d62a17ae | 240 | void route_map_no_match_ipv6_address_hook(int (*func)( |
d5d737a2 SP |
241 | struct route_map_index *index, const char *command, |
242 | const char *arg, route_map_event_t type, | |
243 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 244 | { |
d62a17ae | 245 | rmap_match_set_hook.no_match_ipv6_address = func; |
82f97584 DW |
246 | } |
247 | ||
248 | ||
249 | /* match ipv6 address prefix list */ | |
d62a17ae | 250 | void route_map_match_ipv6_address_prefix_list_hook(int (*func)( |
d5d737a2 SP |
251 | struct route_map_index *index, const char *command, |
252 | const char *arg, route_map_event_t type, | |
253 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 254 | { |
d62a17ae | 255 | rmap_match_set_hook.match_ipv6_address_prefix_list = func; |
82f97584 DW |
256 | } |
257 | ||
258 | /* no match ipv6 address prefix list */ | |
d62a17ae | 259 | void route_map_no_match_ipv6_address_prefix_list_hook(int (*func)( |
d5d737a2 SP |
260 | struct route_map_index *index, const char *command, |
261 | const char *arg, route_map_event_t type, | |
262 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 263 | { |
d62a17ae | 264 | rmap_match_set_hook.no_match_ipv6_address_prefix_list = func; |
82f97584 DW |
265 | } |
266 | ||
61ad901e DA |
267 | /* match ipv6 next-hop type */ |
268 | void route_map_match_ipv6_next_hop_type_hook(int (*func)( | |
d5d737a2 SP |
269 | struct route_map_index *index, const char *command, |
270 | const char *arg, route_map_event_t type, | |
271 | char *errmsg, size_t errmsg_len)) | |
61ad901e DA |
272 | { |
273 | rmap_match_set_hook.match_ipv6_next_hop_type = func; | |
274 | } | |
275 | ||
276 | /* no match ipv6 next-hop type */ | |
277 | void route_map_no_match_ipv6_next_hop_type_hook(int (*func)( | |
d5d737a2 SP |
278 | struct route_map_index *index, const char *command, |
279 | const char *arg, route_map_event_t type, | |
280 | char *errmsg, size_t errmsg_len)) | |
61ad901e DA |
281 | { |
282 | rmap_match_set_hook.no_match_ipv6_next_hop_type = func; | |
283 | } | |
284 | ||
82f97584 | 285 | /* match metric */ |
d62a17ae | 286 | void route_map_match_metric_hook(int (*func)( |
d5d737a2 SP |
287 | struct route_map_index *index, const char *command, |
288 | const char *arg, route_map_event_t type, | |
289 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 290 | { |
d62a17ae | 291 | rmap_match_set_hook.match_metric = func; |
82f97584 DW |
292 | } |
293 | ||
294 | /* no match metric */ | |
d62a17ae | 295 | void route_map_no_match_metric_hook(int (*func)( |
d5d737a2 SP |
296 | struct route_map_index *index, const char *command, |
297 | const char *arg, route_map_event_t type, | |
298 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 299 | { |
d62a17ae | 300 | rmap_match_set_hook.no_match_metric = func; |
82f97584 DW |
301 | } |
302 | ||
303 | /* match tag */ | |
d5d737a2 | 304 | void route_map_match_tag_hook(int (*func)(struct route_map_index *index, |
d62a17ae | 305 | const char *command, const char *arg, |
d5d737a2 SP |
306 | route_map_event_t type, |
307 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 308 | { |
d62a17ae | 309 | rmap_match_set_hook.match_tag = func; |
82f97584 DW |
310 | } |
311 | ||
312 | /* no match tag */ | |
d62a17ae | 313 | void route_map_no_match_tag_hook(int (*func)( |
d5d737a2 SP |
314 | struct route_map_index *index, const char *command, |
315 | const char *arg, route_map_event_t type, | |
316 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 317 | { |
d62a17ae | 318 | rmap_match_set_hook.no_match_tag = func; |
82f97584 DW |
319 | } |
320 | ||
31f937fb | 321 | /* set sr-te color */ |
d5d737a2 | 322 | void route_map_set_srte_color_hook(int (*func)(struct route_map_index *index, |
31f937fb | 323 | const char *command, |
d5d737a2 SP |
324 | const char *arg, |
325 | char *errmsg, size_t errmsg_len)) | |
31f937fb SM |
326 | { |
327 | rmap_match_set_hook.set_srte_color = func; | |
328 | } | |
329 | ||
330 | /* no set sr-te color */ | |
d5d737a2 | 331 | void route_map_no_set_srte_color_hook(int (*func)(struct route_map_index *index, |
31f937fb | 332 | const char *command, |
d5d737a2 SP |
333 | const char *arg, |
334 | char *errmsg, size_t errmsg_len)) | |
31f937fb SM |
335 | { |
336 | rmap_match_set_hook.no_set_srte_color = func; | |
337 | } | |
338 | ||
82f97584 | 339 | /* set ip nexthop */ |
d5d737a2 | 340 | void route_map_set_ip_nexthop_hook(int (*func)(struct route_map_index *index, |
d62a17ae | 341 | const char *command, |
d5d737a2 SP |
342 | const char *arg, |
343 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 344 | { |
d62a17ae | 345 | rmap_match_set_hook.set_ip_nexthop = func; |
82f97584 DW |
346 | } |
347 | ||
348 | /* no set ip nexthop */ | |
d5d737a2 | 349 | void route_map_no_set_ip_nexthop_hook(int (*func)(struct route_map_index *index, |
d62a17ae | 350 | const char *command, |
d5d737a2 SP |
351 | const char *arg, |
352 | char *errmsg, | |
353 | size_t errmsg_len)) | |
82f97584 | 354 | { |
d62a17ae | 355 | rmap_match_set_hook.no_set_ip_nexthop = func; |
82f97584 DW |
356 | } |
357 | ||
358 | /* set ipv6 nexthop local */ | |
d62a17ae | 359 | void route_map_set_ipv6_nexthop_local_hook( |
d5d737a2 SP |
360 | int (*func)(struct route_map_index *index, |
361 | const char *command, const char *arg, | |
362 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 363 | { |
d62a17ae | 364 | rmap_match_set_hook.set_ipv6_nexthop_local = func; |
82f97584 DW |
365 | } |
366 | ||
367 | /* no set ipv6 nexthop local */ | |
d62a17ae | 368 | void route_map_no_set_ipv6_nexthop_local_hook( |
d5d737a2 SP |
369 | int (*func)(struct route_map_index *index, |
370 | const char *command, const char *arg, | |
371 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 372 | { |
d62a17ae | 373 | rmap_match_set_hook.no_set_ipv6_nexthop_local = func; |
82f97584 DW |
374 | } |
375 | ||
376 | /* set metric */ | |
d5d737a2 | 377 | void route_map_set_metric_hook(int (*func)(struct route_map_index *index, |
d62a17ae | 378 | const char *command, |
d5d737a2 SP |
379 | const char *arg, |
380 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 381 | { |
d62a17ae | 382 | rmap_match_set_hook.set_metric = func; |
82f97584 DW |
383 | } |
384 | ||
385 | /* no set metric */ | |
d5d737a2 | 386 | void route_map_no_set_metric_hook(int (*func)(struct route_map_index *index, |
d62a17ae | 387 | const char *command, |
d5d737a2 SP |
388 | const char *arg, |
389 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 390 | { |
d62a17ae | 391 | rmap_match_set_hook.no_set_metric = func; |
82f97584 DW |
392 | } |
393 | ||
394 | /* set tag */ | |
d5d737a2 SP |
395 | void route_map_set_tag_hook(int (*func)(struct route_map_index *index, |
396 | const char *command, const char *arg, | |
397 | char *errmsg, size_t errmsg_len)) | |
82f97584 | 398 | { |
d62a17ae | 399 | rmap_match_set_hook.set_tag = func; |
82f97584 DW |
400 | } |
401 | ||
402 | /* no set tag */ | |
d5d737a2 | 403 | void route_map_no_set_tag_hook(int (*func)(struct route_map_index *index, |
d62a17ae | 404 | const char *command, |
d5d737a2 SP |
405 | const char *arg, |
406 | char *errmsg, size_t errmsg_len)) | |
d62a17ae | 407 | { |
408 | rmap_match_set_hook.no_set_tag = func; | |
82f97584 DW |
409 | } |
410 | ||
d5d737a2 | 411 | int generic_match_add(struct route_map_index *index, |
d62a17ae | 412 | const char *command, const char *arg, |
d5d737a2 SP |
413 | route_map_event_t type, |
414 | char *errmsg, size_t errmsg_len) | |
d62a17ae | 415 | { |
cda7187d | 416 | enum rmap_compile_rets ret; |
d62a17ae | 417 | |
e2c8d6ce | 418 | ret = route_map_add_match(index, command, arg, type); |
9ca25fed | 419 | switch (ret) { |
9ca25fed | 420 | case RMAP_RULE_MISSING: |
d5d737a2 SP |
421 | snprintf(errmsg, errmsg_len, "%% [%s] Can't find rule.", |
422 | frr_protonameinst); | |
9ca25fed | 423 | return CMD_WARNING_CONFIG_FAILED; |
9ca25fed | 424 | case RMAP_COMPILE_ERROR: |
d5d737a2 SP |
425 | snprintf(errmsg, errmsg_len, |
426 | "%% [%s] Argument form is unsupported or malformed.", | |
427 | frr_protonameinst); | |
9ca25fed | 428 | return CMD_WARNING_CONFIG_FAILED; |
909f3d56 | 429 | case RMAP_COMPILE_SUCCESS: |
cda7187d DS |
430 | /* |
431 | * Nothing to do here move along | |
432 | */ | |
433 | break; | |
d62a17ae | 434 | } |
82f97584 | 435 | |
d62a17ae | 436 | return CMD_SUCCESS; |
437 | } | |
438 | ||
d5d737a2 | 439 | int generic_match_delete(struct route_map_index *index, |
d62a17ae | 440 | const char *command, const char *arg, |
d5d737a2 SP |
441 | route_map_event_t type, |
442 | char *errmsg, size_t errmsg_len) | |
d62a17ae | 443 | { |
cda7187d | 444 | enum rmap_compile_rets ret; |
9ca25fed | 445 | int retval = CMD_SUCCESS; |
d62a17ae | 446 | char *dep_name = NULL; |
447 | const char *tmpstr; | |
448 | char *rmap_name = NULL; | |
449 | ||
450 | if (type != RMAP_EVENT_MATCH_DELETED) { | |
451 | /* ignore the mundane, the types without any dependency */ | |
452 | if (arg == NULL) { | |
453 | if ((tmpstr = route_map_get_match_arg(index, command)) | |
454 | != NULL) | |
455 | dep_name = | |
456 | XSTRDUP(MTYPE_ROUTE_MAP_RULE, tmpstr); | |
457 | } else { | |
458 | dep_name = XSTRDUP(MTYPE_ROUTE_MAP_RULE, arg); | |
459 | } | |
460 | rmap_name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, index->map->name); | |
461 | } | |
462 | ||
909f3d56 | 463 | ret = route_map_delete_match(index, command, dep_name, type); |
9ca25fed DS |
464 | switch (ret) { |
465 | case RMAP_RULE_MISSING: | |
d5d737a2 SP |
466 | snprintf(errmsg, errmsg_len, "%% [%s] Can't find rule.", |
467 | frr_protonameinst); | |
9ca25fed DS |
468 | retval = CMD_WARNING_CONFIG_FAILED; |
469 | break; | |
470 | case RMAP_COMPILE_ERROR: | |
d5d737a2 SP |
471 | snprintf(errmsg, errmsg_len, |
472 | "%% [%s] Argument form is unsupported or malformed.", | |
473 | frr_protonameinst); | |
9ca25fed DS |
474 | retval = CMD_WARNING_CONFIG_FAILED; |
475 | break; | |
476 | case RMAP_COMPILE_SUCCESS: | |
cda7187d DS |
477 | /* |
478 | * Nothing to do here | |
479 | */ | |
480 | break; | |
d62a17ae | 481 | } |
482 | ||
0a22ddfb QY |
483 | XFREE(MTYPE_ROUTE_MAP_RULE, dep_name); |
484 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap_name); | |
d62a17ae | 485 | |
9ca25fed | 486 | return retval; |
d62a17ae | 487 | } |
488 | ||
d5d737a2 SP |
489 | int generic_set_add(struct route_map_index *index, |
490 | const char *command, const char *arg, | |
491 | char *errmsg, size_t errmsg_len) | |
718e3744 | 492 | { |
cda7187d | 493 | enum rmap_compile_rets ret; |
d62a17ae | 494 | |
495 | ret = route_map_add_set(index, command, arg); | |
9ca25fed DS |
496 | switch (ret) { |
497 | case RMAP_RULE_MISSING: | |
d5d737a2 SP |
498 | snprintf(errmsg, errmsg_len, |
499 | "%% [%s] Can't find rule.", frr_protonameinst); | |
9ca25fed | 500 | return CMD_WARNING_CONFIG_FAILED; |
9ca25fed | 501 | case RMAP_COMPILE_ERROR: |
d5d737a2 SP |
502 | snprintf(errmsg, errmsg_len, |
503 | "%% [%s] Argument form is unsupported or malformed.", | |
504 | frr_protonameinst); | |
9ca25fed | 505 | return CMD_WARNING_CONFIG_FAILED; |
9ca25fed DS |
506 | case RMAP_COMPILE_SUCCESS: |
507 | break; | |
d62a17ae | 508 | } |
9ca25fed | 509 | |
d62a17ae | 510 | return CMD_SUCCESS; |
511 | } | |
512 | ||
d5d737a2 SP |
513 | int generic_set_delete(struct route_map_index *index, |
514 | const char *command, const char *arg, | |
515 | char *errmsg, size_t errmsg_len) | |
d62a17ae | 516 | { |
cda7187d | 517 | enum rmap_compile_rets ret; |
d62a17ae | 518 | |
519 | ret = route_map_delete_set(index, command, arg); | |
9ca25fed DS |
520 | switch (ret) { |
521 | case RMAP_RULE_MISSING: | |
d5d737a2 SP |
522 | snprintf(errmsg, errmsg_len, "%% [%s] Can't find rule.", |
523 | frr_protonameinst); | |
9ca25fed | 524 | return CMD_WARNING_CONFIG_FAILED; |
9ca25fed | 525 | case RMAP_COMPILE_ERROR: |
d5d737a2 SP |
526 | snprintf(errmsg, errmsg_len, |
527 | "%% [%s] Argument form is unsupported or malformed.", | |
528 | frr_protonameinst); | |
9ca25fed | 529 | return CMD_WARNING_CONFIG_FAILED; |
9ca25fed DS |
530 | case RMAP_COMPILE_SUCCESS: |
531 | break; | |
d62a17ae | 532 | } |
9ca25fed | 533 | |
d62a17ae | 534 | return CMD_SUCCESS; |
535 | } | |
536 | ||
537 | ||
718e3744 | 538 | /* Master list of route map. */ |
a7282663 RZ |
539 | struct route_map_list route_map_master = {NULL, NULL, NULL, NULL, NULL}; |
540 | struct hash *route_map_master_hash = NULL; | |
a6e0d253 | 541 | |
d8b87afe | 542 | static unsigned int route_map_hash_key_make(const void *p) |
a6e0d253 | 543 | { |
d62a17ae | 544 | const struct route_map *map = p; |
545 | return string_hash_make(map->name); | |
a6e0d253 DW |
546 | } |
547 | ||
74df8d6d | 548 | static bool route_map_hash_cmp(const void *p1, const void *p2) |
a6e0d253 | 549 | { |
d62a17ae | 550 | const struct route_map *map1 = p1; |
551 | const struct route_map *map2 = p2; | |
a6e0d253 | 552 | |
d62a17ae | 553 | if (map1->deleted == map2->deleted) { |
554 | if (map1->name && map2->name) { | |
555 | if (!strcmp(map1->name, map2->name)) { | |
74df8d6d | 556 | return true; |
d62a17ae | 557 | } |
558 | } else if (!map1->name && !map2->name) { | |
74df8d6d | 559 | return true; |
d62a17ae | 560 | } |
561 | } | |
a6e0d253 | 562 | |
74df8d6d | 563 | return false; |
a6e0d253 | 564 | } |
518f0eb1 | 565 | |
d62a17ae | 566 | enum route_map_upd8_type { |
567 | ROUTE_MAP_ADD = 1, | |
568 | ROUTE_MAP_DEL, | |
569 | }; | |
518f0eb1 DS |
570 | |
571 | /* all possible route-map dependency types */ | |
d62a17ae | 572 | enum route_map_dep_type { |
573 | ROUTE_MAP_DEP_RMAP = 1, | |
574 | ROUTE_MAP_DEP_CLIST, | |
575 | ROUTE_MAP_DEP_ECLIST, | |
576 | ROUTE_MAP_DEP_LCLIST, | |
577 | ROUTE_MAP_DEP_PLIST, | |
578 | ROUTE_MAP_DEP_ASPATH, | |
579 | ROUTE_MAP_DEP_FILTER, | |
580 | ROUTE_MAP_DEP_MAX, | |
581 | }; | |
582 | ||
583 | struct route_map_dep { | |
584 | char *dep_name; | |
585 | struct hash *dep_rmap_hash; | |
586 | struct hash *this_hash; /* ptr to the hash structure this is part of */ | |
518f0eb1 | 587 | }; |
718e3744 | 588 | |
e2c8d6ce NT |
589 | struct route_map_dep_data { |
590 | /* Route-map name. | |
591 | */ | |
592 | char *rname; | |
593 | /* Count of number of sequences of this | |
594 | * route-map that depend on the same entity. | |
595 | */ | |
596 | uint16_t refcnt; | |
597 | }; | |
598 | ||
518f0eb1 | 599 | /* Hashes maintaining dependency between various sublists used by route maps */ |
1b3e9a21 | 600 | static struct hash *route_map_dep_hash[ROUTE_MAP_DEP_MAX]; |
518f0eb1 | 601 | |
d8b87afe | 602 | static unsigned int route_map_dep_hash_make_key(const void *p); |
d62a17ae | 603 | static void route_map_clear_all_references(char *rmap_name); |
604 | static void route_map_rule_delete(struct route_map_rule_list *, | |
605 | struct route_map_rule *); | |
e3ab8170 | 606 | static bool rmap_debug; |
718e3744 | 607 | |
718e3744 | 608 | /* New route map allocation. Please note route map's name must be |
609 | specified. */ | |
d62a17ae | 610 | static struct route_map *route_map_new(const char *name) |
718e3744 | 611 | { |
d62a17ae | 612 | struct route_map *new; |
718e3744 | 613 | |
d62a17ae | 614 | new = XCALLOC(MTYPE_ROUTE_MAP, sizeof(struct route_map)); |
615 | new->name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, name); | |
616 | QOBJ_REG(new, route_map); | |
617 | return new; | |
718e3744 | 618 | } |
619 | ||
620 | /* Add new name to route_map. */ | |
d62a17ae | 621 | static struct route_map *route_map_add(const char *name) |
622 | { | |
623 | struct route_map *map; | |
624 | struct route_map_list *list; | |
625 | ||
626 | map = route_map_new(name); | |
627 | list = &route_map_master; | |
628 | ||
629 | /* Add map to the hash */ | |
630 | hash_get(route_map_master_hash, map, hash_alloc_intern); | |
631 | ||
632 | /* Add new entry to the head of the list to match how it is added in the | |
633 | * hash table. This is to ensure that if the same route-map has been | |
634 | * created more than once and then marked for deletion (which can happen | |
635 | * if prior deletions haven't completed as BGP hasn't yet done the | |
636 | * route-map processing), the order of the entities is the same in both | |
637 | * the list and the hash table. Otherwise, since there is nothing to | |
638 | * distinguish between the two entries, the wrong entry could get freed. | |
639 | * TODO: This needs to be re-examined to handle it better - e.g., revive | |
640 | * a deleted entry if the route-map is created again. | |
641 | */ | |
642 | map->prev = NULL; | |
643 | map->next = list->head; | |
644 | if (list->head) | |
645 | list->head->prev = map; | |
646 | list->head = map; | |
647 | if (!list->tail) | |
648 | list->tail = map; | |
649 | ||
650 | /* Execute hook. */ | |
651 | if (route_map_master.add_hook) { | |
652 | (*route_map_master.add_hook)(name); | |
653 | route_map_notify_dependencies(name, RMAP_EVENT_CALL_ADDED); | |
654 | } | |
e3ab8170 | 655 | |
49a08bb0 NT |
656 | if (!map->ipv4_prefix_table) |
657 | map->ipv4_prefix_table = route_table_init(); | |
658 | ||
659 | if (!map->ipv6_prefix_table) | |
660 | map->ipv6_prefix_table = route_table_init(); | |
661 | ||
e3ab8170 AD |
662 | if (rmap_debug) |
663 | zlog_debug("Add route-map %s", name); | |
d62a17ae | 664 | return map; |
718e3744 | 665 | } |
666 | ||
518f0eb1 DS |
667 | /* this is supposed to be called post processing by |
668 | * the delete hook function. Don't invoke delete_hook | |
669 | * again in this routine. | |
670 | */ | |
d62a17ae | 671 | static void route_map_free_map(struct route_map *map) |
718e3744 | 672 | { |
d62a17ae | 673 | struct route_map_list *list; |
674 | struct route_map_index *index; | |
518f0eb1 | 675 | |
d62a17ae | 676 | if (map == NULL) |
677 | return; | |
a31ff449 | 678 | |
d62a17ae | 679 | while ((index = map->head) != NULL) |
680 | route_map_index_delete(index, 0); | |
718e3744 | 681 | |
e3ab8170 AD |
682 | if (rmap_debug) |
683 | zlog_debug("Deleting route-map %s", map->name); | |
684 | ||
d62a17ae | 685 | list = &route_map_master; |
718e3744 | 686 | |
d62a17ae | 687 | QOBJ_UNREG(map); |
e80e7cce | 688 | |
d62a17ae | 689 | if (map->next) |
690 | map->next->prev = map->prev; | |
691 | else | |
692 | list->tail = map->prev; | |
718e3744 | 693 | |
d62a17ae | 694 | if (map->prev) |
695 | map->prev->next = map->next; | |
696 | else | |
697 | list->head = map->next; | |
718e3744 | 698 | |
d62a17ae | 699 | hash_release(route_map_master_hash, map); |
700 | XFREE(MTYPE_ROUTE_MAP_NAME, map->name); | |
701 | XFREE(MTYPE_ROUTE_MAP, map); | |
518f0eb1 | 702 | } |
718e3744 | 703 | |
518f0eb1 | 704 | /* Route map delete from list. */ |
a7282663 | 705 | void route_map_delete(struct route_map *map) |
518f0eb1 | 706 | { |
d62a17ae | 707 | struct route_map_index *index; |
708 | char *name; | |
518f0eb1 | 709 | |
d62a17ae | 710 | while ((index = map->head) != NULL) |
711 | route_map_index_delete(index, 0); | |
518f0eb1 | 712 | |
d62a17ae | 713 | name = map->name; |
714 | map->head = NULL; | |
518f0eb1 | 715 | |
d62a17ae | 716 | /* Clear all dependencies */ |
717 | route_map_clear_all_references(name); | |
e4694d0d | 718 | map->deleted = true; |
d62a17ae | 719 | /* Execute deletion hook. */ |
720 | if (route_map_master.delete_hook) { | |
721 | (*route_map_master.delete_hook)(name); | |
722 | route_map_notify_dependencies(name, RMAP_EVENT_CALL_DELETED); | |
723 | } | |
718e3744 | 724 | |
d62a17ae | 725 | if (!map->to_be_processed) { |
726 | route_map_free_map(map); | |
727 | } | |
718e3744 | 728 | } |
729 | ||
730 | /* Lookup route map by route map name string. */ | |
d62a17ae | 731 | struct route_map *route_map_lookup_by_name(const char *name) |
718e3744 | 732 | { |
d62a17ae | 733 | struct route_map *map; |
734 | struct route_map tmp_map; | |
718e3744 | 735 | |
d62a17ae | 736 | if (!name) |
737 | return NULL; | |
518f0eb1 | 738 | |
d62a17ae | 739 | // map.deleted is 0 via memset |
740 | memset(&tmp_map, 0, sizeof(struct route_map)); | |
741 | tmp_map.name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, name); | |
742 | map = hash_lookup(route_map_master_hash, &tmp_map); | |
743 | XFREE(MTYPE_ROUTE_MAP_NAME, tmp_map.name); | |
744 | return map; | |
718e3744 | 745 | } |
746 | ||
1de27621 DA |
747 | /* Simple helper to warn if route-map does not exist. */ |
748 | struct route_map *route_map_lookup_warn_noexist(struct vty *vty, const char *name) | |
749 | { | |
750 | struct route_map *route_map = route_map_lookup_by_name(name); | |
751 | ||
752 | if (!route_map) | |
753 | if (vty_shell_serv(vty)) | |
754 | vty_out(vty, "The route-map '%s' does not exist.\n", name); | |
755 | ||
756 | return route_map; | |
757 | } | |
758 | ||
7096e938 | 759 | int route_map_mark_updated(const char *name) |
518f0eb1 | 760 | { |
d62a17ae | 761 | struct route_map *map; |
762 | int ret = -1; | |
763 | struct route_map tmp_map; | |
518f0eb1 | 764 | |
d62a17ae | 765 | if (!name) |
766 | return (ret); | |
a6e0d253 | 767 | |
d62a17ae | 768 | map = route_map_lookup_by_name(name); |
a6e0d253 | 769 | |
e4694d0d DS |
770 | /* If we did not find the routemap with deleted=false try again |
771 | * with deleted=true | |
d62a17ae | 772 | */ |
773 | if (!map) { | |
774 | memset(&tmp_map, 0, sizeof(struct route_map)); | |
775 | tmp_map.name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, name); | |
e4694d0d | 776 | tmp_map.deleted = true; |
d62a17ae | 777 | map = hash_lookup(route_map_master_hash, &tmp_map); |
778 | XFREE(MTYPE_ROUTE_MAP_NAME, tmp_map.name); | |
779 | } | |
a6e0d253 | 780 | |
d62a17ae | 781 | if (map) { |
e4694d0d | 782 | map->to_be_processed = true; |
d62a17ae | 783 | ret = 0; |
784 | } | |
518f0eb1 | 785 | |
d62a17ae | 786 | return (ret); |
518f0eb1 DS |
787 | } |
788 | ||
69f02720 | 789 | static int route_map_clear_updated(struct route_map *map) |
518f0eb1 | 790 | { |
d62a17ae | 791 | int ret = -1; |
518f0eb1 | 792 | |
d62a17ae | 793 | if (map) { |
e4694d0d | 794 | map->to_be_processed = false; |
d62a17ae | 795 | if (map->deleted) |
796 | route_map_free_map(map); | |
797 | } | |
518f0eb1 | 798 | |
d62a17ae | 799 | return (ret); |
518f0eb1 DS |
800 | } |
801 | ||
718e3744 | 802 | /* Lookup route map. If there isn't route map create one and return |
803 | it. */ | |
a7282663 | 804 | struct route_map *route_map_get(const char *name) |
718e3744 | 805 | { |
d62a17ae | 806 | struct route_map *map; |
718e3744 | 807 | |
d62a17ae | 808 | map = route_map_lookup_by_name(name); |
809 | if (map == NULL) | |
810 | map = route_map_add(name); | |
518f0eb1 | 811 | |
d62a17ae | 812 | return map; |
718e3744 | 813 | } |
814 | ||
46a69f10 | 815 | void route_map_walk_update_list(void (*route_map_update_fn)(char *name)) |
518f0eb1 | 816 | { |
d62a17ae | 817 | struct route_map *node; |
818 | struct route_map *nnode = NULL; | |
518f0eb1 | 819 | |
d62a17ae | 820 | for (node = route_map_master.head; node; node = nnode) { |
821 | if (node->to_be_processed) { | |
822 | /* DD: Should we add any thread yield code here */ | |
823 | route_map_update_fn(node->name); | |
824 | nnode = node->next; | |
825 | route_map_clear_updated(node); | |
826 | } else | |
827 | nnode = node->next; | |
518f0eb1 | 828 | } |
518f0eb1 DS |
829 | } |
830 | ||
718e3744 | 831 | /* Return route map's type string. */ |
d62a17ae | 832 | static const char *route_map_type_str(enum route_map_type type) |
833 | { | |
834 | switch (type) { | |
835 | case RMAP_PERMIT: | |
836 | return "permit"; | |
d62a17ae | 837 | case RMAP_DENY: |
838 | return "deny"; | |
ba1707ca | 839 | case RMAP_ANY: |
d62a17ae | 840 | return ""; |
d62a17ae | 841 | } |
4255dbe9 DS |
842 | |
843 | return ""; | |
718e3744 | 844 | } |
845 | ||
b68885f9 | 846 | static const char *route_map_cmd_result_str(enum route_map_cmd_result_t res) |
e3ab8170 AD |
847 | { |
848 | switch (res) { | |
849 | case RMAP_MATCH: | |
850 | return "match"; | |
e3ab8170 AD |
851 | case RMAP_NOMATCH: |
852 | return "no match"; | |
b68885f9 LK |
853 | case RMAP_NOOP: |
854 | return "noop"; | |
e3ab8170 AD |
855 | case RMAP_ERROR: |
856 | return "error"; | |
857 | case RMAP_OKAY: | |
858 | return "okay"; | |
859 | } | |
860 | ||
861 | return "invalid"; | |
862 | } | |
863 | ||
b68885f9 LK |
864 | static const char *route_map_result_str(route_map_result_t res) |
865 | { | |
866 | switch (res) { | |
867 | case RMAP_DENYMATCH: | |
868 | return "deny"; | |
869 | case RMAP_PERMITMATCH: | |
870 | return "permit"; | |
871 | } | |
872 | ||
873 | return "invalid"; | |
874 | } | |
875 | ||
5510e83b | 876 | /* show route-map */ |
856ed18a RW |
877 | static void vty_show_route_map_entry(struct vty *vty, struct route_map *map, |
878 | json_object *json) | |
d62a17ae | 879 | { |
880 | struct route_map_index *index; | |
881 | struct route_map_rule *rule; | |
856ed18a RW |
882 | json_object *json_rmap = NULL; |
883 | json_object *json_rules = NULL; | |
884 | ||
885 | if (json) { | |
886 | json_rmap = json_object_new_object(); | |
887 | json_object_object_add(json, map->name, json_rmap); | |
888 | ||
889 | json_rules = json_object_new_array(); | |
890 | json_object_int_add(json_rmap, "invoked", | |
891 | map->applied - map->applied_clear); | |
892 | json_object_boolean_add(json_rmap, "disabledOptimization", | |
893 | map->optimization_disabled); | |
894 | json_object_boolean_add(json_rmap, "processedChange", | |
895 | map->to_be_processed); | |
896 | json_object_object_add(json_rmap, "rules", json_rules); | |
897 | } else { | |
898 | vty_out(vty, | |
899 | "route-map: %s Invoked: %" PRIu64 | |
900 | " Optimization: %s Processed Change: %s\n", | |
901 | map->name, map->applied - map->applied_clear, | |
902 | map->optimization_disabled ? "disabled" : "enabled", | |
903 | map->to_be_processed ? "true" : "false"); | |
904 | } | |
d62a17ae | 905 | |
906 | for (index = map->head; index; index = index->next) { | |
856ed18a RW |
907 | if (json) { |
908 | json_object *json_rule; | |
909 | json_object *json_matches; | |
910 | json_object *json_sets; | |
911 | char action[BUFSIZ] = {}; | |
912 | ||
913 | json_rule = json_object_new_object(); | |
914 | json_object_array_add(json_rules, json_rule); | |
915 | ||
916 | json_object_int_add(json_rule, "sequenceNumber", | |
917 | index->pref); | |
918 | json_object_string_add(json_rule, "type", | |
919 | route_map_type_str(index->type)); | |
920 | json_object_int_add(json_rule, "invoked", | |
921 | index->applied | |
922 | - index->applied_clear); | |
923 | ||
924 | /* Description */ | |
925 | if (index->description) | |
926 | json_object_string_add(json_rule, "description", | |
927 | index->description); | |
928 | ||
929 | /* Match clauses */ | |
930 | json_matches = json_object_new_array(); | |
931 | json_object_object_add(json_rule, "matchClauses", | |
932 | json_matches); | |
933 | for (rule = index->match_list.head; rule; | |
934 | rule = rule->next) { | |
935 | char buf[BUFSIZ]; | |
936 | ||
937 | snprintf(buf, sizeof(buf), "%s %s", | |
938 | rule->cmd->str, rule->rule_str); | |
939 | json_array_string_add(json_matches, buf); | |
940 | } | |
941 | ||
942 | /* Set clauses */ | |
943 | json_sets = json_object_new_array(); | |
944 | json_object_object_add(json_rule, "setClauses", | |
945 | json_sets); | |
946 | for (rule = index->set_list.head; rule; | |
947 | rule = rule->next) { | |
948 | char buf[BUFSIZ]; | |
949 | ||
950 | snprintf(buf, sizeof(buf), "%s %s", | |
951 | rule->cmd->str, rule->rule_str); | |
952 | json_array_string_add(json_sets, buf); | |
953 | } | |
954 | ||
955 | /* Call clause */ | |
956 | if (index->nextrm) | |
957 | json_object_string_add(json_rule, "callClause", | |
958 | index->nextrm); | |
959 | ||
960 | /* Exit Policy */ | |
961 | if (index->exitpolicy == RMAP_GOTO) | |
962 | snprintf(action, sizeof(action), "Goto %d", | |
963 | index->nextpref); | |
964 | else if (index->exitpolicy == RMAP_NEXT) | |
965 | snprintf(action, sizeof(action), | |
966 | "Continue to next entry"); | |
967 | else if (index->exitpolicy == RMAP_EXIT) | |
968 | snprintf(action, sizeof(action), | |
969 | "Exit routemap"); | |
970 | if (action[0] != '\0') | |
971 | json_object_string_add(json_rule, "action", | |
972 | action); | |
973 | } else { | |
974 | vty_out(vty, " %s, sequence %d Invoked %" PRIu64 "\n", | |
975 | route_map_type_str(index->type), index->pref, | |
976 | index->applied - index->applied_clear); | |
977 | ||
978 | /* Description */ | |
979 | if (index->description) | |
980 | vty_out(vty, " Description:\n %s\n", | |
981 | index->description); | |
982 | ||
983 | /* Match clauses */ | |
984 | vty_out(vty, " Match clauses:\n"); | |
985 | for (rule = index->match_list.head; rule; | |
986 | rule = rule->next) | |
987 | vty_out(vty, " %s %s\n", rule->cmd->str, | |
988 | rule->rule_str); | |
989 | ||
990 | /* Set clauses */ | |
991 | vty_out(vty, " Set clauses:\n"); | |
992 | for (rule = index->set_list.head; rule; | |
993 | rule = rule->next) | |
994 | vty_out(vty, " %s %s\n", rule->cmd->str, | |
995 | rule->rule_str); | |
996 | ||
997 | /* Call clause */ | |
998 | vty_out(vty, " Call clause:\n"); | |
999 | if (index->nextrm) | |
1000 | vty_out(vty, " Call %s\n", index->nextrm); | |
1001 | ||
1002 | /* Exit Policy */ | |
1003 | vty_out(vty, " Action:\n"); | |
1004 | if (index->exitpolicy == RMAP_GOTO) | |
1005 | vty_out(vty, " Goto %d\n", index->nextpref); | |
1006 | else if (index->exitpolicy == RMAP_NEXT) | |
1007 | vty_out(vty, " Continue to next entry\n"); | |
1008 | else if (index->exitpolicy == RMAP_EXIT) | |
1009 | vty_out(vty, " Exit routemap\n"); | |
1010 | } | |
d62a17ae | 1011 | } |
1012 | } | |
1013 | ||
78b1bb5f QY |
1014 | static int sort_route_map(const void **map1, const void **map2) |
1015 | { | |
1016 | const struct route_map *m1 = *map1; | |
1017 | const struct route_map *m2 = *map2; | |
1018 | ||
1019 | return strcmp(m1->name, m2->name); | |
1020 | } | |
1021 | ||
856ed18a | 1022 | static int vty_show_route_map(struct vty *vty, const char *name, bool use_json) |
d62a17ae | 1023 | { |
1024 | struct route_map *map; | |
856ed18a RW |
1025 | json_object *json = NULL; |
1026 | json_object *json_proto = NULL; | |
d62a17ae | 1027 | |
856ed18a RW |
1028 | if (use_json) { |
1029 | json = json_object_new_object(); | |
1030 | json_proto = json_object_new_object(); | |
1031 | json_object_object_add(json, frr_protonameinst, json_proto); | |
1032 | } else | |
1033 | vty_out(vty, "%s:\n", frr_protonameinst); | |
279b0607 | 1034 | |
d62a17ae | 1035 | if (name) { |
1036 | map = route_map_lookup_by_name(name); | |
1037 | ||
1038 | if (map) { | |
856ed18a | 1039 | vty_show_route_map_entry(vty, map, json_proto); |
d62a17ae | 1040 | return CMD_SUCCESS; |
856ed18a | 1041 | } else if (!use_json) { |
d62a17ae | 1042 | vty_out(vty, "%s: 'route-map %s' not found\n", |
1043 | frr_protonameinst, name); | |
d62a17ae | 1044 | } |
1045 | } else { | |
78b1bb5f QY |
1046 | |
1047 | struct list *maplist = list_new(); | |
1048 | struct listnode *ln; | |
1049 | ||
d62a17ae | 1050 | for (map = route_map_master.head; map; map = map->next) |
78b1bb5f QY |
1051 | listnode_add(maplist, map); |
1052 | ||
1053 | list_sort(maplist, sort_route_map); | |
1054 | ||
1055 | for (ALL_LIST_ELEMENTS_RO(maplist, ln, map)) | |
856ed18a | 1056 | vty_show_route_map_entry(vty, map, json_proto); |
78b1bb5f | 1057 | |
6a154c88 | 1058 | list_delete(&maplist); |
d62a17ae | 1059 | } |
856ed18a | 1060 | |
ad9df66c | 1061 | return vty_json(vty, json); |
5510e83b | 1062 | } |
1063 | ||
4a2a09d0 | 1064 | /* Unused route map details */ |
1065 | static int vty_show_unused_route_map(struct vty *vty) | |
1066 | { | |
1067 | struct list *maplist = list_new(); | |
1068 | struct listnode *ln; | |
1069 | struct route_map *map; | |
1070 | ||
1071 | for (map = route_map_master.head; map; map = map->next) { | |
1072 | /* If use_count is zero, No protocol is using this routemap. | |
1073 | * so adding to the list. | |
1074 | */ | |
1075 | if (!map->use_count) | |
1076 | listnode_add(maplist, map); | |
1077 | } | |
1078 | ||
1079 | if (maplist->count > 0) { | |
1080 | vty_out(vty, "\n%s:\n", frr_protonameinst); | |
1081 | list_sort(maplist, sort_route_map); | |
1082 | ||
1083 | for (ALL_LIST_ELEMENTS_RO(maplist, ln, map)) | |
856ed18a | 1084 | vty_show_route_map_entry(vty, map, NULL); |
4a2a09d0 | 1085 | } else { |
1086 | vty_out(vty, "\n%s: None\n", frr_protonameinst); | |
1087 | } | |
1088 | ||
1089 | list_delete(&maplist); | |
1090 | return CMD_SUCCESS; | |
1091 | } | |
5510e83b | 1092 | |
718e3744 | 1093 | /* New route map allocation. Please note route map's name must be |
1094 | specified. */ | |
d62a17ae | 1095 | static struct route_map_index *route_map_index_new(void) |
718e3744 | 1096 | { |
d62a17ae | 1097 | struct route_map_index *new; |
718e3744 | 1098 | |
d62a17ae | 1099 | new = XCALLOC(MTYPE_ROUTE_MAP_INDEX, sizeof(struct route_map_index)); |
1100 | new->exitpolicy = RMAP_EXIT; /* Default to Cisco-style */ | |
54a35ff4 | 1101 | TAILQ_INIT(&new->rhclist); |
d62a17ae | 1102 | QOBJ_REG(new, route_map_index); |
1103 | return new; | |
718e3744 | 1104 | } |
1105 | ||
1106 | /* Free route map index. */ | |
a7282663 | 1107 | void route_map_index_delete(struct route_map_index *index, int notify) |
718e3744 | 1108 | { |
1c4eca64 | 1109 | struct routemap_hook_context *rhc; |
d62a17ae | 1110 | struct route_map_rule *rule; |
718e3744 | 1111 | |
d62a17ae | 1112 | QOBJ_UNREG(index); |
e80e7cce | 1113 | |
e3ab8170 AD |
1114 | if (rmap_debug) |
1115 | zlog_debug("Deleting route-map %s sequence %d", | |
1116 | index->map->name, index->pref); | |
1117 | ||
f0951335 RZ |
1118 | /* Free route map entry description. */ |
1119 | XFREE(MTYPE_TMP, index->description); | |
1120 | ||
54a35ff4 | 1121 | /* Free route map northbound hook contexts. */ |
1c4eca64 RZ |
1122 | while ((rhc = TAILQ_FIRST(&index->rhclist)) != NULL) |
1123 | routemap_hook_context_free(rhc); | |
54a35ff4 | 1124 | |
d62a17ae | 1125 | /* Free route match. */ |
49a08bb0 | 1126 | while ((rule = index->match_list.head) != NULL) { |
819a23f9 | 1127 | if (IS_RULE_IPv4_PREFIX_LIST(rule->cmd->str)) |
2d26f094 NT |
1128 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_DELETED, |
1129 | index, AFI_IP, rule->rule_str); | |
819a23f9 | 1130 | else if (IS_RULE_IPv6_PREFIX_LIST(rule->cmd->str)) |
2d26f094 NT |
1131 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_DELETED, |
1132 | index, AFI_IP6, | |
1133 | rule->rule_str); | |
49a08bb0 | 1134 | |
d62a17ae | 1135 | route_map_rule_delete(&index->match_list, rule); |
49a08bb0 | 1136 | } |
718e3744 | 1137 | |
d62a17ae | 1138 | /* Free route set. */ |
1139 | while ((rule = index->set_list.head) != NULL) | |
1140 | route_map_rule_delete(&index->set_list, rule); | |
718e3744 | 1141 | |
d62a17ae | 1142 | /* Remove index from route map list. */ |
1143 | if (index->next) | |
1144 | index->next->prev = index->prev; | |
1145 | else | |
1146 | index->map->tail = index->prev; | |
718e3744 | 1147 | |
d62a17ae | 1148 | if (index->prev) |
1149 | index->prev->next = index->next; | |
1150 | else | |
1151 | index->map->head = index->next; | |
718e3744 | 1152 | |
d62a17ae | 1153 | /* Free 'char *nextrm' if not NULL */ |
0a22ddfb | 1154 | XFREE(MTYPE_ROUTE_MAP_NAME, index->nextrm); |
fee0f4c6 | 1155 | |
2d26f094 | 1156 | route_map_pfx_tbl_update(RMAP_EVENT_INDEX_DELETED, index, 0, NULL); |
49a08bb0 | 1157 | |
d62a17ae | 1158 | /* Execute event hook. */ |
1159 | if (route_map_master.event_hook && notify) { | |
097b5973 | 1160 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1161 | route_map_notify_dependencies(index->map->name, |
1162 | RMAP_EVENT_CALL_ADDED); | |
1163 | } | |
1164 | XFREE(MTYPE_ROUTE_MAP_INDEX, index); | |
718e3744 | 1165 | } |
1166 | ||
1167 | /* Lookup index from route map. */ | |
d62a17ae | 1168 | static struct route_map_index *route_map_index_lookup(struct route_map *map, |
1169 | enum route_map_type type, | |
1170 | int pref) | |
718e3744 | 1171 | { |
d62a17ae | 1172 | struct route_map_index *index; |
718e3744 | 1173 | |
d62a17ae | 1174 | for (index = map->head; index; index = index->next) |
1175 | if ((index->type == type || type == RMAP_ANY) | |
1176 | && index->pref == pref) | |
1177 | return index; | |
1178 | return NULL; | |
718e3744 | 1179 | } |
1180 | ||
1181 | /* Add new index to route map. */ | |
8cc4198f | 1182 | static struct route_map_index * |
d62a17ae | 1183 | route_map_index_add(struct route_map *map, enum route_map_type type, int pref) |
1184 | { | |
1185 | struct route_map_index *index; | |
1186 | struct route_map_index *point; | |
1187 | ||
1188 | /* Allocate new route map inex. */ | |
1189 | index = route_map_index_new(); | |
1190 | index->map = map; | |
1191 | index->type = type; | |
1192 | index->pref = pref; | |
1193 | ||
1194 | /* Compare preference. */ | |
1195 | for (point = map->head; point; point = point->next) | |
1196 | if (point->pref >= pref) | |
1197 | break; | |
1198 | ||
1199 | if (map->head == NULL) { | |
1200 | map->head = map->tail = index; | |
1201 | } else if (point == NULL) { | |
1202 | index->prev = map->tail; | |
1203 | map->tail->next = index; | |
1204 | map->tail = index; | |
1205 | } else if (point == map->head) { | |
1206 | index->next = map->head; | |
1207 | map->head->prev = index; | |
1208 | map->head = index; | |
1209 | } else { | |
1210 | index->next = point; | |
1211 | index->prev = point->prev; | |
1212 | if (point->prev) | |
1213 | point->prev->next = index; | |
1214 | point->prev = index; | |
1215 | } | |
1216 | ||
2d26f094 | 1217 | route_map_pfx_tbl_update(RMAP_EVENT_INDEX_ADDED, index, 0, NULL); |
49a08bb0 | 1218 | |
d62a17ae | 1219 | /* Execute event hook. */ |
1220 | if (route_map_master.event_hook) { | |
097b5973 | 1221 | (*route_map_master.event_hook)(map->name); |
d62a17ae | 1222 | route_map_notify_dependencies(map->name, RMAP_EVENT_CALL_ADDED); |
1223 | } | |
e3ab8170 AD |
1224 | |
1225 | if (rmap_debug) | |
1226 | zlog_debug("Route-map %s add sequence %d, type: %s", | |
1227 | map->name, pref, route_map_type_str(type)); | |
1228 | ||
d62a17ae | 1229 | return index; |
718e3744 | 1230 | } |
1231 | ||
1232 | /* Get route map index. */ | |
a7282663 | 1233 | struct route_map_index * |
d62a17ae | 1234 | route_map_index_get(struct route_map *map, enum route_map_type type, int pref) |
718e3744 | 1235 | { |
d62a17ae | 1236 | struct route_map_index *index; |
718e3744 | 1237 | |
d62a17ae | 1238 | index = route_map_index_lookup(map, RMAP_ANY, pref); |
1239 | if (index && index->type != type) { | |
1240 | /* Delete index from route map. */ | |
1241 | route_map_index_delete(index, 1); | |
1242 | index = NULL; | |
1243 | } | |
1244 | if (index == NULL) | |
1245 | index = route_map_index_add(map, type, pref); | |
1246 | return index; | |
718e3744 | 1247 | } |
1248 | ||
1249 | /* New route map rule */ | |
d62a17ae | 1250 | static struct route_map_rule *route_map_rule_new(void) |
718e3744 | 1251 | { |
d62a17ae | 1252 | struct route_map_rule *new; |
718e3744 | 1253 | |
d62a17ae | 1254 | new = XCALLOC(MTYPE_ROUTE_MAP_RULE, sizeof(struct route_map_rule)); |
1255 | return new; | |
718e3744 | 1256 | } |
6b0655a2 | 1257 | |
718e3744 | 1258 | /* Install rule command to the match list. */ |
88711d8a | 1259 | void _route_map_install_match(struct route_map_rule_cmd_proxy *proxy) |
718e3744 | 1260 | { |
88711d8a | 1261 | rmap_cmd_name_add(rmap_match_cmds, proxy); |
718e3744 | 1262 | } |
1263 | ||
1264 | /* Install rule command to the set list. */ | |
88711d8a | 1265 | void _route_map_install_set(struct route_map_rule_cmd_proxy *proxy) |
718e3744 | 1266 | { |
88711d8a | 1267 | rmap_cmd_name_add(rmap_set_cmds, proxy); |
718e3744 | 1268 | } |
1269 | ||
1270 | /* Lookup rule command from match list. */ | |
364deb04 | 1271 | static const struct route_map_rule_cmd *route_map_lookup_match(const char *name) |
718e3744 | 1272 | { |
88711d8a DL |
1273 | struct route_map_rule_cmd refcmd = {.str = name}; |
1274 | struct route_map_rule_cmd_proxy ref = {.cmd = &refcmd}; | |
1275 | struct route_map_rule_cmd_proxy *res; | |
718e3744 | 1276 | |
88711d8a DL |
1277 | res = rmap_cmd_name_find(rmap_match_cmds, &ref); |
1278 | if (res) | |
1279 | return res->cmd; | |
d62a17ae | 1280 | return NULL; |
718e3744 | 1281 | } |
1282 | ||
1283 | /* Lookup rule command from set list. */ | |
364deb04 | 1284 | static const struct route_map_rule_cmd *route_map_lookup_set(const char *name) |
718e3744 | 1285 | { |
88711d8a DL |
1286 | struct route_map_rule_cmd refcmd = {.str = name}; |
1287 | struct route_map_rule_cmd_proxy ref = {.cmd = &refcmd}; | |
1288 | struct route_map_rule_cmd_proxy *res; | |
718e3744 | 1289 | |
88711d8a DL |
1290 | res = rmap_cmd_name_find(rmap_set_cmds, &ref); |
1291 | if (res) | |
1292 | return res->cmd; | |
d62a17ae | 1293 | return NULL; |
718e3744 | 1294 | } |
1295 | ||
1296 | /* Add match and set rule to rule list. */ | |
d62a17ae | 1297 | static void route_map_rule_add(struct route_map_rule_list *list, |
1298 | struct route_map_rule *rule) | |
718e3744 | 1299 | { |
d62a17ae | 1300 | rule->next = NULL; |
1301 | rule->prev = list->tail; | |
1302 | if (list->tail) | |
1303 | list->tail->next = rule; | |
1304 | else | |
1305 | list->head = rule; | |
1306 | list->tail = rule; | |
718e3744 | 1307 | } |
1308 | ||
1309 | /* Delete rule from rule list. */ | |
d62a17ae | 1310 | static void route_map_rule_delete(struct route_map_rule_list *list, |
1311 | struct route_map_rule *rule) | |
718e3744 | 1312 | { |
d62a17ae | 1313 | if (rule->cmd->func_free) |
1314 | (*rule->cmd->func_free)(rule->value); | |
718e3744 | 1315 | |
0a22ddfb | 1316 | XFREE(MTYPE_ROUTE_MAP_RULE_STR, rule->rule_str); |
718e3744 | 1317 | |
d62a17ae | 1318 | if (rule->next) |
1319 | rule->next->prev = rule->prev; | |
1320 | else | |
1321 | list->tail = rule->prev; | |
1322 | if (rule->prev) | |
1323 | rule->prev->next = rule->next; | |
1324 | else | |
1325 | list->head = rule->next; | |
718e3744 | 1326 | |
d62a17ae | 1327 | XFREE(MTYPE_ROUTE_MAP_RULE, rule); |
718e3744 | 1328 | } |
1329 | ||
1330 | /* strcmp wrapper function which don't crush even argument is NULL. */ | |
d62a17ae | 1331 | static int rulecmp(const char *dst, const char *src) |
1332 | { | |
1333 | if (dst == NULL) { | |
1334 | if (src == NULL) | |
1335 | return 0; | |
1336 | else | |
1337 | return 1; | |
1338 | } else { | |
1339 | if (src == NULL) | |
1340 | return 1; | |
1341 | else | |
1342 | return strcmp(dst, src); | |
1343 | } | |
718e3744 | 1344 | return 1; |
718e3744 | 1345 | } |
1346 | ||
518f0eb1 DS |
1347 | /* Use this to return the already specified argument for this match. This is |
1348 | * useful to get the specified argument with a route map match rule when the | |
1349 | * rule is being deleted and the argument is not provided. | |
1350 | */ | |
d62a17ae | 1351 | const char *route_map_get_match_arg(struct route_map_index *index, |
1352 | const char *match_name) | |
518f0eb1 | 1353 | { |
d62a17ae | 1354 | struct route_map_rule *rule; |
364deb04 | 1355 | const struct route_map_rule_cmd *cmd; |
518f0eb1 | 1356 | |
d62a17ae | 1357 | /* First lookup rule for add match statement. */ |
1358 | cmd = route_map_lookup_match(match_name); | |
1359 | if (cmd == NULL) | |
1360 | return NULL; | |
518f0eb1 | 1361 | |
d62a17ae | 1362 | for (rule = index->match_list.head; rule; rule = rule->next) |
1363 | if (rule->cmd == cmd && rule->rule_str != NULL) | |
1364 | return (rule->rule_str); | |
518f0eb1 | 1365 | |
95f7965d | 1366 | return NULL; |
518f0eb1 DS |
1367 | } |
1368 | ||
e2c8d6ce NT |
1369 | static route_map_event_t get_route_map_delete_event(route_map_event_t type) |
1370 | { | |
1371 | switch (type) { | |
1372 | case RMAP_EVENT_CALL_ADDED: | |
1373 | return RMAP_EVENT_CALL_DELETED; | |
1374 | case RMAP_EVENT_PLIST_ADDED: | |
1375 | return RMAP_EVENT_PLIST_DELETED; | |
1376 | case RMAP_EVENT_CLIST_ADDED: | |
1377 | return RMAP_EVENT_CLIST_DELETED; | |
1378 | case RMAP_EVENT_ECLIST_ADDED: | |
1379 | return RMAP_EVENT_ECLIST_DELETED; | |
1380 | case RMAP_EVENT_LLIST_ADDED: | |
1381 | return RMAP_EVENT_LLIST_DELETED; | |
1382 | case RMAP_EVENT_ASLIST_ADDED: | |
1383 | return RMAP_EVENT_ASLIST_DELETED; | |
1384 | case RMAP_EVENT_FILTER_ADDED: | |
1385 | return RMAP_EVENT_FILTER_DELETED; | |
1386 | case RMAP_EVENT_SET_ADDED: | |
1387 | case RMAP_EVENT_SET_DELETED: | |
1388 | case RMAP_EVENT_SET_REPLACED: | |
1389 | case RMAP_EVENT_MATCH_ADDED: | |
1390 | case RMAP_EVENT_MATCH_DELETED: | |
1391 | case RMAP_EVENT_MATCH_REPLACED: | |
1392 | case RMAP_EVENT_INDEX_ADDED: | |
1393 | case RMAP_EVENT_INDEX_DELETED: | |
1394 | case RMAP_EVENT_CALL_DELETED: | |
1395 | case RMAP_EVENT_PLIST_DELETED: | |
1396 | case RMAP_EVENT_CLIST_DELETED: | |
1397 | case RMAP_EVENT_ECLIST_DELETED: | |
1398 | case RMAP_EVENT_LLIST_DELETED: | |
1399 | case RMAP_EVENT_ASLIST_DELETED: | |
1400 | case RMAP_EVENT_FILTER_DELETED: | |
1401 | /* This function returns the appropriate 'deleted' event type | |
1402 | * for every 'added' event type passed to this function. | |
1403 | * This is done only for named entities used in the | |
1404 | * route-map match commands. | |
1405 | * This function is not to be invoked for any of the other event | |
1406 | * types. | |
1407 | */ | |
1408 | assert(0); | |
1409 | } | |
f232dd29 DS |
1410 | |
1411 | assert(0); | |
1412 | /* | |
1413 | * Return to make c happy but if we get here something has gone | |
1414 | * terribly terribly wrong, so yes this return makes no sense. | |
1415 | */ | |
1416 | return RMAP_EVENT_CALL_ADDED; | |
e2c8d6ce NT |
1417 | } |
1418 | ||
718e3744 | 1419 | /* Add match statement to route map. */ |
cda7187d DS |
1420 | enum rmap_compile_rets route_map_add_match(struct route_map_index *index, |
1421 | const char *match_name, | |
1422 | const char *match_arg, | |
1423 | route_map_event_t type) | |
d62a17ae | 1424 | { |
1425 | struct route_map_rule *rule; | |
1426 | struct route_map_rule *next; | |
364deb04 | 1427 | const struct route_map_rule_cmd *cmd; |
d62a17ae | 1428 | void *compile; |
e2c8d6ce | 1429 | int8_t delete_rmap_event_type = 0; |
909f3d56 | 1430 | const char *rule_key; |
d62a17ae | 1431 | |
1432 | /* First lookup rule for add match statement. */ | |
1433 | cmd = route_map_lookup_match(match_name); | |
1434 | if (cmd == NULL) | |
1435 | return RMAP_RULE_MISSING; | |
1436 | ||
1437 | /* Next call compile function for this match statement. */ | |
1438 | if (cmd->func_compile) { | |
1439 | compile = (*cmd->func_compile)(match_arg); | |
1440 | if (compile == NULL) | |
1441 | return RMAP_COMPILE_ERROR; | |
1442 | } else | |
1443 | compile = NULL; | |
909f3d56 | 1444 | /* use the compiled results if applicable */ |
1445 | if (compile && cmd->func_get_rmap_rule_key) | |
1446 | rule_key = (*cmd->func_get_rmap_rule_key) | |
1447 | (compile); | |
1448 | else | |
1449 | rule_key = match_arg; | |
d62a17ae | 1450 | |
1451 | /* If argument is completely same ignore it. */ | |
1452 | for (rule = index->match_list.head; rule; rule = next) { | |
1453 | next = rule->next; | |
1454 | if (rule->cmd == cmd) { | |
6c3247bd NT |
1455 | /* If the configured route-map match rule is exactly |
1456 | * the same as the existing configuration then, | |
1457 | * ignore the duplicate configuration. | |
1458 | */ | |
30475121 | 1459 | if (rulecmp(match_arg, rule->rule_str) == 0) { |
6c3247bd NT |
1460 | if (cmd->func_free) |
1461 | (*cmd->func_free)(compile); | |
e2c8d6ce | 1462 | |
909f3d56 | 1463 | return RMAP_COMPILE_SUCCESS; |
e2c8d6ce NT |
1464 | } |
1465 | ||
49a08bb0 NT |
1466 | /* If IPv4 or IPv6 prefix-list match criteria |
1467 | * has been delete to the route-map index, update | |
1468 | * the route-map's prefix table. | |
1469 | */ | |
819a23f9 | 1470 | if (IS_RULE_IPv4_PREFIX_LIST(match_name)) |
49a08bb0 | 1471 | route_map_pfx_tbl_update( |
2d26f094 NT |
1472 | RMAP_EVENT_PLIST_DELETED, index, AFI_IP, |
1473 | rule->rule_str); | |
819a23f9 | 1474 | else if (IS_RULE_IPv6_PREFIX_LIST(match_name)) |
49a08bb0 | 1475 | route_map_pfx_tbl_update( |
2d26f094 NT |
1476 | RMAP_EVENT_PLIST_DELETED, index, |
1477 | AFI_IP6, rule->rule_str); | |
49a08bb0 | 1478 | |
e2c8d6ce NT |
1479 | /* Remove the dependency of the route-map on the rule |
1480 | * that is being replaced. | |
1481 | */ | |
1482 | if (type >= RMAP_EVENT_CALL_ADDED) { | |
1483 | delete_rmap_event_type = | |
1484 | get_route_map_delete_event(type); | |
1485 | route_map_upd8_dependency( | |
1486 | delete_rmap_event_type, | |
02e7a369 | 1487 | rule->rule_str, |
e2c8d6ce | 1488 | index->map->name); |
6c3247bd NT |
1489 | } |
1490 | ||
d62a17ae | 1491 | route_map_rule_delete(&index->match_list, rule); |
d62a17ae | 1492 | } |
718e3744 | 1493 | } |
718e3744 | 1494 | |
d62a17ae | 1495 | /* Add new route map match rule. */ |
1496 | rule = route_map_rule_new(); | |
1497 | rule->cmd = cmd; | |
1498 | rule->value = compile; | |
1499 | if (match_arg) | |
1500 | rule->rule_str = XSTRDUP(MTYPE_ROUTE_MAP_RULE_STR, match_arg); | |
1501 | else | |
1502 | rule->rule_str = NULL; | |
718e3744 | 1503 | |
d62a17ae | 1504 | /* Add new route match rule to linked list. */ |
1505 | route_map_rule_add(&index->match_list, rule); | |
718e3744 | 1506 | |
49a08bb0 NT |
1507 | /* If IPv4 or IPv6 prefix-list match criteria |
1508 | * has been added to the route-map index, update | |
1509 | * the route-map's prefix table. | |
1510 | */ | |
819a23f9 | 1511 | if (IS_RULE_IPv4_PREFIX_LIST(match_name)) { |
2d26f094 | 1512 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_ADDED, index, AFI_IP, |
49a08bb0 | 1513 | match_arg); |
819a23f9 | 1514 | } else if (IS_RULE_IPv6_PREFIX_LIST(match_name)) { |
2d26f094 | 1515 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_ADDED, index, AFI_IP6, |
49a08bb0 | 1516 | match_arg); |
49a08bb0 NT |
1517 | } |
1518 | ||
d62a17ae | 1519 | /* Execute event hook. */ |
1520 | if (route_map_master.event_hook) { | |
097b5973 | 1521 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1522 | route_map_notify_dependencies(index->map->name, |
1523 | RMAP_EVENT_CALL_ADDED); | |
1524 | } | |
909f3d56 | 1525 | if (type != RMAP_EVENT_MATCH_ADDED) |
1526 | route_map_upd8_dependency(type, rule_key, index->map->name); | |
718e3744 | 1527 | |
9ca25fed | 1528 | return RMAP_COMPILE_SUCCESS; |
718e3744 | 1529 | } |
1530 | ||
1531 | /* Delete specified route match rule. */ | |
cda7187d DS |
1532 | enum rmap_compile_rets route_map_delete_match(struct route_map_index *index, |
1533 | const char *match_name, | |
909f3d56 | 1534 | const char *match_arg, |
1535 | route_map_event_t type) | |
d62a17ae | 1536 | { |
1537 | struct route_map_rule *rule; | |
364deb04 | 1538 | const struct route_map_rule_cmd *cmd; |
909f3d56 | 1539 | const char *rule_key; |
d62a17ae | 1540 | |
1541 | cmd = route_map_lookup_match(match_name); | |
1542 | if (cmd == NULL) | |
e5b4b49e | 1543 | return RMAP_RULE_MISSING; |
d62a17ae | 1544 | |
1545 | for (rule = index->match_list.head; rule; rule = rule->next) | |
9d303b37 DL |
1546 | if (rule->cmd == cmd && (rulecmp(rule->rule_str, match_arg) == 0 |
1547 | || match_arg == NULL)) { | |
d62a17ae | 1548 | /* Execute event hook. */ |
1549 | if (route_map_master.event_hook) { | |
097b5973 | 1550 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1551 | route_map_notify_dependencies( |
1552 | index->map->name, | |
1553 | RMAP_EVENT_CALL_ADDED); | |
1554 | } | |
909f3d56 | 1555 | if (cmd->func_get_rmap_rule_key) |
1556 | rule_key = (*cmd->func_get_rmap_rule_key) | |
1557 | (rule->value); | |
1558 | else | |
1559 | rule_key = match_arg; | |
1560 | ||
1561 | if (type != RMAP_EVENT_MATCH_DELETED && rule_key) | |
1562 | route_map_upd8_dependency(type, rule_key, | |
1563 | index->map->name); | |
1564 | ||
1565 | route_map_rule_delete(&index->match_list, rule); | |
49a08bb0 NT |
1566 | |
1567 | /* If IPv4 or IPv6 prefix-list match criteria | |
3eca8715 | 1568 | * has been delete from the route-map index, update |
49a08bb0 NT |
1569 | * the route-map's prefix table. |
1570 | */ | |
819a23f9 | 1571 | if (IS_RULE_IPv4_PREFIX_LIST(match_name)) { |
49a08bb0 | 1572 | route_map_pfx_tbl_update( |
2d26f094 NT |
1573 | RMAP_EVENT_PLIST_DELETED, index, AFI_IP, |
1574 | match_arg); | |
819a23f9 | 1575 | } else if (IS_RULE_IPv6_PREFIX_LIST(match_name)) { |
49a08bb0 | 1576 | route_map_pfx_tbl_update( |
2d26f094 NT |
1577 | RMAP_EVENT_PLIST_DELETED, index, |
1578 | AFI_IP6, match_arg); | |
49a08bb0 NT |
1579 | } |
1580 | ||
e5b4b49e | 1581 | return RMAP_COMPILE_SUCCESS; |
d62a17ae | 1582 | } |
1583 | /* Can't find matched rule. */ | |
e5b4b49e | 1584 | return RMAP_RULE_MISSING; |
718e3744 | 1585 | } |
1586 | ||
1587 | /* Add route-map set statement to the route map. */ | |
cda7187d DS |
1588 | enum rmap_compile_rets route_map_add_set(struct route_map_index *index, |
1589 | const char *set_name, | |
1590 | const char *set_arg) | |
d62a17ae | 1591 | { |
1592 | struct route_map_rule *rule; | |
1593 | struct route_map_rule *next; | |
364deb04 | 1594 | const struct route_map_rule_cmd *cmd; |
d62a17ae | 1595 | void *compile; |
d62a17ae | 1596 | |
1597 | cmd = route_map_lookup_set(set_name); | |
1598 | if (cmd == NULL) | |
1599 | return RMAP_RULE_MISSING; | |
1600 | ||
1601 | /* Next call compile function for this match statement. */ | |
1602 | if (cmd->func_compile) { | |
1603 | compile = (*cmd->func_compile)(set_arg); | |
1604 | if (compile == NULL) | |
1605 | return RMAP_COMPILE_ERROR; | |
1606 | } else | |
1607 | compile = NULL; | |
1608 | ||
1609 | /* Add by WJL. if old set command of same kind exist, delete it first | |
1610 | to ensure only one set command of same kind exist under a | |
1611 | route_map_index. */ | |
1612 | for (rule = index->set_list.head; rule; rule = next) { | |
1613 | next = rule->next; | |
4255dbe9 | 1614 | if (rule->cmd == cmd) |
d62a17ae | 1615 | route_map_rule_delete(&index->set_list, rule); |
d62a17ae | 1616 | } |
1617 | ||
1618 | /* Add new route map match rule. */ | |
1619 | rule = route_map_rule_new(); | |
1620 | rule->cmd = cmd; | |
1621 | rule->value = compile; | |
1622 | if (set_arg) | |
1623 | rule->rule_str = XSTRDUP(MTYPE_ROUTE_MAP_RULE_STR, set_arg); | |
1624 | else | |
1625 | rule->rule_str = NULL; | |
1626 | ||
1627 | /* Add new route match rule to linked list. */ | |
1628 | route_map_rule_add(&index->set_list, rule); | |
1629 | ||
1630 | /* Execute event hook. */ | |
1631 | if (route_map_master.event_hook) { | |
097b5973 | 1632 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1633 | route_map_notify_dependencies(index->map->name, |
1634 | RMAP_EVENT_CALL_ADDED); | |
718e3744 | 1635 | } |
9ca25fed | 1636 | return RMAP_COMPILE_SUCCESS; |
718e3744 | 1637 | } |
1638 | ||
1639 | /* Delete route map set rule. */ | |
cda7187d DS |
1640 | enum rmap_compile_rets route_map_delete_set(struct route_map_index *index, |
1641 | const char *set_name, | |
1642 | const char *set_arg) | |
d62a17ae | 1643 | { |
1644 | struct route_map_rule *rule; | |
364deb04 | 1645 | const struct route_map_rule_cmd *cmd; |
d62a17ae | 1646 | |
1647 | cmd = route_map_lookup_set(set_name); | |
1648 | if (cmd == NULL) | |
e5b4b49e | 1649 | return RMAP_RULE_MISSING; |
d62a17ae | 1650 | |
1651 | for (rule = index->set_list.head; rule; rule = rule->next) | |
9d303b37 DL |
1652 | if ((rule->cmd == cmd) && (rulecmp(rule->rule_str, set_arg) == 0 |
1653 | || set_arg == NULL)) { | |
d62a17ae | 1654 | route_map_rule_delete(&index->set_list, rule); |
1655 | /* Execute event hook. */ | |
1656 | if (route_map_master.event_hook) { | |
097b5973 | 1657 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1658 | route_map_notify_dependencies( |
1659 | index->map->name, | |
1660 | RMAP_EVENT_CALL_ADDED); | |
1661 | } | |
e5b4b49e | 1662 | return RMAP_COMPILE_SUCCESS; |
d62a17ae | 1663 | } |
1664 | /* Can't find matched rule. */ | |
e5b4b49e | 1665 | return RMAP_RULE_MISSING; |
718e3744 | 1666 | } |
1667 | ||
b68885f9 LK |
1668 | static enum route_map_cmd_result_t |
1669 | route_map_apply_match(struct route_map_rule_list *match_list, | |
1782514f | 1670 | const struct prefix *prefix, void *object) |
b68885f9 LK |
1671 | { |
1672 | enum route_map_cmd_result_t ret = RMAP_NOMATCH; | |
1673 | struct route_map_rule *match; | |
1674 | bool is_matched = false; | |
1675 | ||
1676 | ||
1677 | /* Check all match rule and if there is no match rule, go to the | |
1678 | set statement. */ | |
1679 | if (!match_list->head) | |
1680 | ret = RMAP_MATCH; | |
1681 | else { | |
1682 | for (match = match_list->head; match; match = match->next) { | |
1683 | /* | |
1684 | * Try each match statement. If any match does not | |
1685 | * return RMAP_MATCH or RMAP_NOOP, return. | |
1686 | * Otherwise continue on to next match statement. | |
1687 | * All match statements must MATCH for | |
1688 | * end-result to be a match. | |
1689 | * (Exception:If match stmts result in a mix of | |
1690 | * MATCH/NOOP, then also end-result is a match) | |
1691 | * If all result in NOOP, end-result is NOOP. | |
1692 | */ | |
1693 | ret = (*match->cmd->func_apply)(match->value, prefix, | |
1782514f | 1694 | object); |
b68885f9 LK |
1695 | |
1696 | /* | |
1697 | * If the consolidated result of func_apply is: | |
1698 | * ----------------------------------------------- | |
1699 | * | MATCH | NOMATCH | NOOP | Final Result | | |
1700 | * ------------------------------------------------ | |
1701 | * | yes | yes | yes | NOMATCH | | |
1702 | * | no | no | yes | NOOP | | |
1703 | * | yes | no | yes | MATCH | | |
1704 | * | no | yes | yes | NOMATCH | | |
1705 | * |----------------------------------------------- | |
1706 | * | |
1707 | * Traditionally, all rules within route-map | |
1708 | * should match for it to MATCH. | |
1709 | * If there are noops within the route-map rules, | |
1710 | * it follows the above matrix. | |
1711 | * | |
1712 | * Eg: route-map rm1 permit 10 | |
1713 | * match rule1 | |
1714 | * match rule2 | |
1715 | * match rule3 | |
1716 | * .... | |
1717 | * route-map rm1 permit 20 | |
1718 | * match ruleX | |
1719 | * match ruleY | |
1720 | * ... | |
1721 | */ | |
1722 | ||
1723 | switch (ret) { | |
1724 | case RMAP_MATCH: | |
1725 | is_matched = true; | |
1726 | break; | |
1727 | ||
1728 | case RMAP_NOMATCH: | |
1729 | return ret; | |
1730 | ||
1731 | case RMAP_NOOP: | |
1732 | if (is_matched) | |
1733 | ret = RMAP_MATCH; | |
1734 | break; | |
1735 | ||
1736 | default: | |
1737 | break; | |
1738 | } | |
1739 | ||
1740 | } | |
1741 | } | |
1742 | return ret; | |
1743 | } | |
1744 | ||
2d26f094 NT |
1745 | static struct list *route_map_get_index_list(struct route_node **rn, |
1746 | const struct prefix *prefix, | |
1747 | struct route_table *table) | |
819a23f9 NT |
1748 | { |
1749 | struct route_node *tmp_rn = NULL; | |
1750 | ||
1751 | if (!(*rn)) { | |
1752 | *rn = route_node_match(table, prefix); | |
1753 | ||
1754 | if (!(*rn)) | |
1755 | return NULL; | |
1756 | ||
1757 | if ((*rn)->info) | |
1758 | return (struct list *)((*rn)->info); | |
1759 | ||
1760 | /* If rn->info is NULL, get the parent. | |
1761 | * Store the rn in tmp_rn and unlock it later. | |
1762 | */ | |
1763 | tmp_rn = *rn; | |
1764 | } | |
1765 | ||
1766 | do { | |
1767 | *rn = (*rn)->parent; | |
1768 | if (tmp_rn) | |
1769 | route_unlock_node(tmp_rn); | |
1770 | ||
1771 | if (!(*rn)) | |
1772 | break; | |
1773 | ||
1774 | if ((*rn)->info) { | |
1775 | route_lock_node(*rn); | |
1776 | return (struct list *)((*rn)->info); | |
1777 | } | |
1778 | } while (!(*rn)->info); | |
1779 | ||
1780 | return NULL; | |
1781 | } | |
1782 | ||
1783 | /* | |
1784 | * This function returns the route-map index that best matches the prefix. | |
1785 | */ | |
1782514f DS |
1786 | static struct route_map_index *route_map_get_index(struct route_map *map, |
1787 | const struct prefix *prefix, | |
1788 | void *object, | |
1789 | uint8_t *match_ret) | |
819a23f9 NT |
1790 | { |
1791 | int ret = 0; | |
1792 | struct list *candidate_rmap_list = NULL; | |
1793 | struct route_node *rn = NULL; | |
1794 | struct listnode *ln = NULL, *nn = NULL; | |
1795 | struct route_map_index *index = NULL, *best_index = NULL; | |
1796 | struct route_map_index *head_index = NULL; | |
1797 | struct route_table *table = NULL; | |
1798 | unsigned char family = prefix->family; | |
1799 | ||
1800 | if (family == AF_INET) | |
1801 | table = map->ipv4_prefix_table; | |
1802 | else | |
1803 | table = map->ipv6_prefix_table; | |
1804 | ||
1805 | if (!table) | |
1806 | return NULL; | |
1807 | ||
1808 | do { | |
2d26f094 NT |
1809 | candidate_rmap_list = |
1810 | route_map_get_index_list(&rn, prefix, table); | |
819a23f9 NT |
1811 | if (!rn) |
1812 | break; | |
1813 | ||
1814 | /* If the index at the head of the list is of seq higher | |
1815 | * than that in best_index, ignore the list and get the | |
1816 | * parent node's list. | |
1817 | */ | |
2d26f094 NT |
1818 | head_index = (struct route_map_index *)(listgetdata( |
1819 | listhead(candidate_rmap_list))); | |
1820 | if (best_index && head_index | |
1821 | && (best_index->pref < head_index->pref)) { | |
819a23f9 NT |
1822 | route_unlock_node(rn); |
1823 | continue; | |
1824 | } | |
1825 | ||
1826 | for (ALL_LIST_ELEMENTS(candidate_rmap_list, ln, nn, index)) { | |
1827 | /* If the index is of seq higher than that in | |
1828 | * best_index, ignore the list and get the parent | |
1829 | * node's list. | |
1830 | */ | |
1831 | if (best_index && (best_index->pref < index->pref)) | |
1832 | break; | |
1833 | ||
2d26f094 | 1834 | ret = route_map_apply_match(&index->match_list, prefix, |
1782514f | 1835 | object); |
819a23f9 NT |
1836 | |
1837 | if (ret == RMAP_MATCH) { | |
1838 | *match_ret = ret; | |
1839 | best_index = index; | |
1840 | break; | |
1841 | } else if (ret == RMAP_NOOP) { | |
1842 | /* | |
1843 | * If match_ret is denymatch, even if we see | |
1844 | * more noops, we retain this return value and | |
1845 | * return this eventually if there are no | |
1846 | * matches. | |
1410dd3f NT |
1847 | * If a best match route-map index already |
1848 | * exists, do not reset the match_ret. | |
819a23f9 | 1849 | */ |
1410dd3f | 1850 | if (!best_index && (*match_ret != RMAP_NOMATCH)) |
819a23f9 NT |
1851 | *match_ret = ret; |
1852 | } else { | |
1853 | /* | |
1854 | * ret is RMAP_NOMATCH. | |
1410dd3f NT |
1855 | * If a best match route-map index already |
1856 | * exists, do not reset the match_ret. | |
819a23f9 | 1857 | */ |
1410dd3f NT |
1858 | if (!best_index) |
1859 | *match_ret = ret; | |
819a23f9 NT |
1860 | } |
1861 | } | |
1862 | ||
1863 | route_unlock_node(rn); | |
1864 | ||
1865 | } while (rn); | |
1866 | ||
1867 | return best_index; | |
1868 | } | |
1869 | ||
2d26f094 NT |
1870 | static int route_map_candidate_list_cmp(struct route_map_index *idx1, |
1871 | struct route_map_index *idx2) | |
49a08bb0 NT |
1872 | { |
1873 | if (!idx1) | |
1874 | return -1; | |
1875 | if (!idx2) | |
1876 | return 1; | |
1877 | ||
1878 | return (idx1->pref - idx2->pref); | |
1879 | } | |
1880 | ||
1881 | /* | |
1882 | * This function adds the route-map index into the default route's | |
1883 | * route-node in the route-map's IPv4/IPv6 prefix-table. | |
1884 | */ | |
2d26f094 NT |
1885 | static void route_map_pfx_table_add_default(afi_t afi, |
1886 | struct route_map_index *index) | |
49a08bb0 NT |
1887 | { |
1888 | struct route_node *rn = NULL; | |
1889 | struct list *rmap_candidate_list = NULL; | |
1890 | struct prefix p; | |
1891 | bool updated_rn = false; | |
1892 | struct route_table *table = NULL; | |
1893 | ||
1894 | memset(&p, 0, sizeof(p)); | |
1895 | p.family = afi2family(afi); | |
1896 | p.prefixlen = 0; | |
1897 | ||
1898 | if (p.family == AF_INET) { | |
1899 | table = index->map->ipv4_prefix_table; | |
1900 | if (!table) | |
1901 | index->map->ipv4_prefix_table = route_table_init(); | |
1902 | ||
1903 | table = index->map->ipv4_prefix_table; | |
1904 | } else { | |
1905 | table = index->map->ipv6_prefix_table; | |
1906 | if (!table) | |
1907 | index->map->ipv6_prefix_table = route_table_init(); | |
1908 | ||
1909 | table = index->map->ipv6_prefix_table; | |
1910 | } | |
1911 | ||
1912 | /* Add default route to table */ | |
1913 | rn = route_node_get(table, &p); | |
1914 | ||
1915 | if (!rn) | |
1916 | return; | |
1917 | ||
1918 | if (!rn->info) { | |
1919 | rmap_candidate_list = list_new(); | |
1920 | rmap_candidate_list->cmp = | |
1921 | (int (*)(void *, void *))route_map_candidate_list_cmp; | |
1922 | rn->info = rmap_candidate_list; | |
1923 | } else { | |
1924 | rmap_candidate_list = (struct list *)rn->info; | |
1925 | updated_rn = true; | |
1926 | } | |
1927 | ||
1928 | listnode_add_sort_nodup(rmap_candidate_list, index); | |
1929 | if (updated_rn) | |
1930 | route_unlock_node(rn); | |
1931 | } | |
1932 | ||
1933 | /* | |
1934 | * This function removes the route-map index from the default route's | |
1935 | * route-node in the route-map's IPv4/IPv6 prefix-table. | |
1936 | */ | |
2d26f094 NT |
1937 | static void route_map_pfx_table_del_default(afi_t afi, |
1938 | struct route_map_index *index) | |
49a08bb0 NT |
1939 | { |
1940 | struct route_node *rn = NULL; | |
1941 | struct list *rmap_candidate_list = NULL; | |
1942 | struct prefix p; | |
1943 | struct route_table *table = NULL; | |
1944 | ||
1945 | memset(&p, 0, sizeof(p)); | |
1946 | p.family = afi2family(afi); | |
1947 | p.prefixlen = 0; | |
1948 | ||
1949 | if (p.family == AF_INET) | |
1950 | table = index->map->ipv4_prefix_table; | |
1951 | else | |
1952 | table = index->map->ipv6_prefix_table; | |
1953 | ||
1954 | /* Remove RMAP index from default route in table */ | |
1955 | rn = route_node_lookup(table, &p); | |
1956 | if (!rn || !rn->info) | |
1957 | return; | |
1958 | ||
1959 | rmap_candidate_list = (struct list *)rn->info; | |
1960 | ||
1961 | listnode_delete(rmap_candidate_list, index); | |
1962 | ||
1963 | if (listcount(rmap_candidate_list) == 0) { | |
1964 | list_delete(&rmap_candidate_list); | |
1965 | rn->info = NULL; | |
1966 | route_unlock_node(rn); | |
1967 | } | |
1968 | route_unlock_node(rn); | |
1969 | } | |
1970 | ||
1971 | /* | |
1972 | * This function adds the route-map index to the route-node for | |
1973 | * the prefix-entry in the route-map's IPv4/IPv6 prefix-table. | |
1974 | */ | |
2d26f094 NT |
1975 | static void route_map_pfx_table_add(struct route_table *table, |
1976 | struct route_map_index *index, | |
1977 | struct prefix_list_entry *pentry) | |
49a08bb0 NT |
1978 | { |
1979 | struct route_node *rn = NULL; | |
1980 | struct list *rmap_candidate_list = NULL; | |
1981 | bool updated_rn = false; | |
1982 | ||
1983 | rn = route_node_get(table, &pentry->prefix); | |
1984 | if (!rn) | |
1985 | return; | |
1986 | ||
1987 | if (!rn->info) { | |
1988 | rmap_candidate_list = list_new(); | |
1989 | rmap_candidate_list->cmp = | |
1990 | (int (*)(void *, void *))route_map_candidate_list_cmp; | |
1991 | rn->info = rmap_candidate_list; | |
1992 | } else { | |
1993 | rmap_candidate_list = (struct list *)rn->info; | |
1994 | updated_rn = true; | |
1995 | } | |
1996 | ||
1997 | listnode_add_sort_nodup(rmap_candidate_list, index); | |
1998 | if (updated_rn) | |
1999 | route_unlock_node(rn); | |
2000 | } | |
2001 | ||
2002 | /* | |
2003 | * This function removes the route-map index from the route-node for | |
2004 | * the prefix-entry in the route-map's IPv4/IPv6 prefix-table. | |
2005 | */ | |
2d26f094 NT |
2006 | static void route_map_pfx_table_del(struct route_table *table, |
2007 | struct route_map_index *index, | |
2008 | struct prefix_list_entry *pentry) | |
49a08bb0 NT |
2009 | { |
2010 | struct route_node *rn = NULL; | |
2011 | struct list *rmap_candidate_list = NULL; | |
2012 | ||
2013 | rn = route_node_lookup(table, &pentry->prefix); | |
2014 | if (!rn || !rn->info) | |
2015 | return; | |
2016 | ||
2017 | rmap_candidate_list = (struct list *)rn->info; | |
2018 | ||
2019 | listnode_delete(rmap_candidate_list, index); | |
2020 | ||
2021 | if (listcount(rmap_candidate_list) == 0) { | |
2022 | list_delete(&rmap_candidate_list); | |
2023 | rn->info = NULL; | |
2024 | route_unlock_node(rn); | |
2025 | } | |
2026 | route_unlock_node(rn); | |
2027 | } | |
2028 | ||
3eca8715 NT |
2029 | /* This function checks for the presence of an IPv4 prefix-list |
2030 | * match rule in the given route-map index. | |
49a08bb0 | 2031 | */ |
3eca8715 | 2032 | static bool route_map_is_ip_pfx_list_rule_present(struct route_map_index *index) |
49a08bb0 NT |
2033 | { |
2034 | struct route_map_rule_list *match_list = NULL; | |
2035 | struct route_map_rule *rule = NULL; | |
2036 | ||
2037 | match_list = &index->match_list; | |
2038 | for (rule = match_list->head; rule; rule = rule->next) | |
3eca8715 | 2039 | if (IS_RULE_IPv4_PREFIX_LIST(rule->cmd->str)) |
49a08bb0 NT |
2040 | return true; |
2041 | ||
2042 | return false; | |
2043 | } | |
2044 | ||
3eca8715 NT |
2045 | /* This function checks for the presence of an IPv6 prefix-list |
2046 | * match rule in the given route-map index. | |
49a08bb0 | 2047 | */ |
3eca8715 NT |
2048 | static bool |
2049 | route_map_is_ipv6_pfx_list_rule_present(struct route_map_index *index) | |
49a08bb0 NT |
2050 | { |
2051 | struct route_map_rule_list *match_list = NULL; | |
2052 | struct route_map_rule *rule = NULL; | |
2053 | ||
2054 | match_list = &index->match_list; | |
2055 | for (rule = match_list->head; rule; rule = rule->next) | |
3eca8715 | 2056 | if (IS_RULE_IPv6_PREFIX_LIST(rule->cmd->str)) |
49a08bb0 NT |
2057 | return true; |
2058 | ||
2059 | return false; | |
2060 | } | |
2061 | ||
2062 | /* This function does the following: | |
2063 | * 1) If plist_name is not present, search for a IPv4 or IPv6 prefix-list | |
2064 | * match clause (based on the afi passed to this foo) and get the | |
2065 | * prefix-list name. | |
2066 | * 2) Look up the prefix-list using the name. | |
2067 | * 3) If the prefix-list is not found then, add the index to the IPv4/IPv6 | |
2068 | * default-route's node in the trie (based on the afi passed to this foo). | |
2069 | * 4) If the prefix-list is found then, remove the index from the IPv4/IPv6 | |
2070 | * default-route's node in the trie (based on the afi passed to this foo). | |
2071 | * 5) If a prefix-entry is passed then, create a route-node for this entry and | |
2072 | * add this index to the route-node. | |
2073 | * 6) If prefix-entry is not passed then, for every prefix-entry in the | |
2074 | * prefix-list, create a route-node for this entry and | |
2075 | * add this index to the route-node. | |
2076 | */ | |
2d26f094 NT |
2077 | static void route_map_add_plist_entries(afi_t afi, |
2078 | struct route_map_index *index, | |
2079 | const char *plist_name, | |
2080 | struct prefix_list_entry *entry) | |
49a08bb0 NT |
2081 | { |
2082 | struct route_map_rule_list *match_list = NULL; | |
2083 | struct route_map_rule *match = NULL; | |
2084 | struct prefix_list *plist = NULL; | |
2085 | struct prefix_list_entry *pentry = NULL; | |
2086 | bool plist_rule_is_present = false; | |
2087 | ||
2088 | if (!plist_name) { | |
2089 | match_list = &index->match_list; | |
2090 | ||
2091 | for (match = match_list->head; match; match = match->next) { | |
819a23f9 | 2092 | if (afi == AFI_IP) { |
2d26f094 | 2093 | if (IS_RULE_IPv4_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
2094 | plist_rule_is_present = true; |
2095 | break; | |
2d26f094 | 2096 | } |
819a23f9 | 2097 | } else { |
2d26f094 | 2098 | if (IS_RULE_IPv6_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
2099 | plist_rule_is_present = true; |
2100 | break; | |
2d26f094 | 2101 | } |
49a08bb0 NT |
2102 | } |
2103 | } | |
2104 | ||
2105 | if (plist_rule_is_present) | |
2106 | plist = prefix_list_lookup(afi, match->rule_str); | |
2107 | } else { | |
2108 | plist = prefix_list_lookup(afi, plist_name); | |
2109 | } | |
2110 | ||
2111 | if (!plist) { | |
2112 | route_map_pfx_table_add_default(afi, index); | |
2113 | return; | |
2114 | } | |
2115 | ||
4718791c TA |
2116 | /* Default entry should be deleted only if the first entry of the |
2117 | * prefix-list is created. | |
2118 | */ | |
2119 | if (entry) { | |
2120 | if (plist->count == 1) | |
2121 | route_map_pfx_table_del_default(afi, index); | |
2122 | } else { | |
2123 | route_map_pfx_table_del_default(afi, index); | |
2124 | } | |
49a08bb0 NT |
2125 | |
2126 | if (entry) { | |
2127 | if (afi == AFI_IP) { | |
2d26f094 NT |
2128 | route_map_pfx_table_add(index->map->ipv4_prefix_table, |
2129 | index, entry); | |
49a08bb0 | 2130 | } else { |
2d26f094 NT |
2131 | route_map_pfx_table_add(index->map->ipv6_prefix_table, |
2132 | index, entry); | |
49a08bb0 NT |
2133 | } |
2134 | } else { | |
2135 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
2136 | if (afi == AFI_IP) { | |
2137 | route_map_pfx_table_add( | |
2d26f094 NT |
2138 | index->map->ipv4_prefix_table, index, |
2139 | pentry); | |
49a08bb0 NT |
2140 | } else { |
2141 | route_map_pfx_table_add( | |
2d26f094 NT |
2142 | index->map->ipv6_prefix_table, index, |
2143 | pentry); | |
49a08bb0 NT |
2144 | } |
2145 | } | |
2146 | } | |
2147 | } | |
2148 | ||
2149 | /* This function does the following: | |
2150 | * 1) If plist_name is not present, search for a IPv4 or IPv6 prefix-list | |
2151 | * match clause (based on the afi passed to this foo) and get the | |
2152 | * prefix-list name. | |
2153 | * 2) Look up the prefix-list using the name. | |
2154 | * 3) If the prefix-list is not found then, delete the index from the IPv4/IPv6 | |
2155 | * default-route's node in the trie (based on the afi passed to this foo). | |
2156 | * 4) If a prefix-entry is passed then, remove this index from the route-node | |
2157 | * for the prefix in this prefix-entry. | |
2158 | * 5) If prefix-entry is not passed then, for every prefix-entry in the | |
2159 | * prefix-list, remove this index from the route-node | |
2160 | * for the prefix in this prefix-entry. | |
2161 | */ | |
2d26f094 NT |
2162 | static void route_map_del_plist_entries(afi_t afi, |
2163 | struct route_map_index *index, | |
2164 | const char *plist_name, | |
2165 | struct prefix_list_entry *entry) | |
49a08bb0 NT |
2166 | { |
2167 | struct route_map_rule_list *match_list = NULL; | |
2168 | struct route_map_rule *match = NULL; | |
2169 | struct prefix_list *plist = NULL; | |
2170 | struct prefix_list_entry *pentry = NULL; | |
2171 | bool plist_rule_is_present = false; | |
2172 | ||
2173 | if (!plist_name) { | |
2174 | match_list = &index->match_list; | |
2175 | ||
2176 | for (match = match_list->head; match; match = match->next) { | |
819a23f9 | 2177 | if (afi == AFI_IP) { |
2d26f094 | 2178 | if (IS_RULE_IPv4_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
2179 | plist_rule_is_present = true; |
2180 | break; | |
2d26f094 | 2181 | } |
819a23f9 | 2182 | } else { |
2d26f094 | 2183 | if (IS_RULE_IPv6_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
2184 | plist_rule_is_present = true; |
2185 | break; | |
2d26f094 | 2186 | } |
49a08bb0 NT |
2187 | } |
2188 | } | |
2189 | ||
2190 | if (plist_rule_is_present) | |
2191 | plist = prefix_list_lookup(afi, match->rule_str); | |
2192 | } else { | |
2193 | plist = prefix_list_lookup(afi, plist_name); | |
2194 | } | |
2195 | ||
2196 | if (!plist) { | |
2197 | route_map_pfx_table_del_default(afi, index); | |
2198 | return; | |
2199 | } | |
2200 | ||
2201 | if (entry) { | |
2202 | if (afi == AFI_IP) { | |
2d26f094 NT |
2203 | route_map_pfx_table_del(index->map->ipv4_prefix_table, |
2204 | index, entry); | |
49a08bb0 | 2205 | } else { |
2d26f094 NT |
2206 | route_map_pfx_table_del(index->map->ipv6_prefix_table, |
2207 | index, entry); | |
49a08bb0 NT |
2208 | } |
2209 | } else { | |
2210 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
2211 | if (afi == AFI_IP) { | |
2212 | route_map_pfx_table_del( | |
2d26f094 NT |
2213 | index->map->ipv4_prefix_table, index, |
2214 | pentry); | |
49a08bb0 NT |
2215 | } else { |
2216 | route_map_pfx_table_del( | |
2d26f094 NT |
2217 | index->map->ipv6_prefix_table, index, |
2218 | pentry); | |
49a08bb0 NT |
2219 | } |
2220 | } | |
2221 | } | |
2222 | } | |
2223 | ||
2224 | /* | |
2225 | * This function handles the cases where a prefix-list is added/removed | |
2226 | * as a match command from a particular route-map index. | |
2227 | * It updates the prefix-table of the route-map accordingly. | |
2228 | */ | |
2d26f094 NT |
2229 | static void route_map_trie_update(afi_t afi, route_map_event_t event, |
2230 | struct route_map_index *index, | |
2231 | const char *plist_name) | |
49a08bb0 NT |
2232 | { |
2233 | if (event == RMAP_EVENT_PLIST_ADDED) { | |
2234 | if (afi == AFI_IP) { | |
3eca8715 | 2235 | if (!route_map_is_ipv6_pfx_list_rule_present(index)) { |
2d26f094 | 2236 | route_map_pfx_table_del_default(AFI_IP6, index); |
49a08bb0 NT |
2237 | route_map_add_plist_entries(afi, index, |
2238 | plist_name, NULL); | |
2239 | } else { | |
2240 | route_map_del_plist_entries(AFI_IP6, index, | |
2241 | NULL, NULL); | |
2242 | } | |
2243 | } else { | |
3eca8715 | 2244 | if (!route_map_is_ip_pfx_list_rule_present(index)) { |
2d26f094 | 2245 | route_map_pfx_table_del_default(AFI_IP, index); |
49a08bb0 NT |
2246 | route_map_add_plist_entries(afi, index, |
2247 | plist_name, NULL); | |
2248 | } else { | |
2d26f094 NT |
2249 | route_map_del_plist_entries(AFI_IP, index, NULL, |
2250 | NULL); | |
49a08bb0 NT |
2251 | } |
2252 | } | |
2253 | } else if (event == RMAP_EVENT_PLIST_DELETED) { | |
2254 | if (afi == AFI_IP) { | |
2d26f094 NT |
2255 | route_map_del_plist_entries(afi, index, plist_name, |
2256 | NULL); | |
49a08bb0 | 2257 | |
3eca8715 NT |
2258 | /* If IPv6 prefix-list match rule is not present, |
2259 | * add this index to the IPv4 default route's trie | |
2260 | * node. | |
2261 | * Also, add this index to the trie nodes created | |
2262 | * for each of the prefix-entries within the IPv6 | |
2263 | * prefix-list, if the IPv6 prefix-list match rule | |
2264 | * is present. Else, add this index to the IPv6 | |
2265 | * default route's trie node. | |
2266 | */ | |
2267 | if (!route_map_is_ipv6_pfx_list_rule_present(index)) | |
49a08bb0 NT |
2268 | route_map_pfx_table_add_default(afi, index); |
2269 | ||
3eca8715 | 2270 | route_map_add_plist_entries(AFI_IP6, index, NULL, NULL); |
49a08bb0 | 2271 | } else { |
2d26f094 NT |
2272 | route_map_del_plist_entries(afi, index, plist_name, |
2273 | NULL); | |
49a08bb0 | 2274 | |
3eca8715 NT |
2275 | /* If IPv4 prefix-list match rule is not present, |
2276 | * add this index to the IPv6 default route's trie | |
2277 | * node. | |
2278 | * Also, add this index to the trie nodes created | |
2279 | * for each of the prefix-entries within the IPv4 | |
2280 | * prefix-list, if the IPv4 prefix-list match rule | |
2281 | * is present. Else, add this index to the IPv4 | |
2282 | * default route's trie node. | |
2283 | */ | |
2284 | if (!route_map_is_ip_pfx_list_rule_present(index)) | |
49a08bb0 NT |
2285 | route_map_pfx_table_add_default(afi, index); |
2286 | ||
3eca8715 | 2287 | route_map_add_plist_entries(AFI_IP, index, NULL, NULL); |
49a08bb0 NT |
2288 | } |
2289 | } | |
2290 | } | |
2291 | ||
2292 | /* | |
2293 | * This function handles the cases where a route-map index and | |
2294 | * prefix-list is added/removed. | |
2295 | * It updates the prefix-table of the route-map accordingly. | |
2296 | */ | |
2d26f094 NT |
2297 | static void route_map_pfx_tbl_update(route_map_event_t event, |
2298 | struct route_map_index *index, afi_t afi, | |
2299 | const char *plist_name) | |
49a08bb0 NT |
2300 | { |
2301 | struct route_map *rmap = NULL; | |
2302 | ||
2303 | if (!index) | |
2304 | return; | |
2305 | ||
2306 | if (event == RMAP_EVENT_INDEX_ADDED) { | |
2307 | route_map_pfx_table_add_default(AFI_IP, index); | |
2308 | route_map_pfx_table_add_default(AFI_IP6, index); | |
2309 | return; | |
2310 | } | |
2311 | ||
2312 | if (event == RMAP_EVENT_INDEX_DELETED) { | |
2313 | route_map_pfx_table_del_default(AFI_IP, index); | |
2314 | route_map_pfx_table_del_default(AFI_IP6, index); | |
2315 | ||
2d26f094 | 2316 | if ((index->map->head == NULL) && (index->map->tail == NULL)) { |
49a08bb0 NT |
2317 | rmap = index->map; |
2318 | ||
2319 | if (rmap->ipv4_prefix_table) { | |
2320 | route_table_finish(rmap->ipv4_prefix_table); | |
2321 | rmap->ipv4_prefix_table = NULL; | |
2322 | } | |
2323 | ||
2324 | if (rmap->ipv6_prefix_table) { | |
2325 | route_table_finish(rmap->ipv6_prefix_table); | |
2326 | rmap->ipv6_prefix_table = NULL; | |
2327 | } | |
2328 | } | |
2329 | return; | |
2330 | } | |
2331 | ||
2332 | /* Handle prefix-list match rule addition/deletion. | |
2333 | */ | |
2d26f094 | 2334 | route_map_trie_update(afi, event, index, plist_name); |
49a08bb0 NT |
2335 | } |
2336 | ||
2337 | /* | |
2338 | * This function handles the cases where a new prefix-entry is added to | |
2339 | * a prefix-list or, an existing prefix-entry is removed from the prefix-list. | |
2340 | * It updates the prefix-table of the route-map accordingly. | |
2341 | */ | |
2d26f094 NT |
2342 | static void route_map_pentry_update(route_map_event_t event, |
2343 | const char *plist_name, | |
2344 | struct route_map_index *index, | |
2345 | struct prefix_list_entry *pentry) | |
49a08bb0 NT |
2346 | { |
2347 | struct prefix_list *plist = NULL; | |
2348 | afi_t afi; | |
2349 | unsigned char family = pentry->prefix.family; | |
2350 | ||
2351 | if (family == AF_INET) { | |
2352 | afi = AFI_IP; | |
2353 | plist = prefix_list_lookup(AFI_IP, plist_name); | |
2354 | } else { | |
2355 | afi = AFI_IP6; | |
2356 | plist = prefix_list_lookup(AFI_IP6, plist_name); | |
2357 | } | |
2358 | ||
2359 | if (event == RMAP_EVENT_PLIST_ADDED) { | |
3eca8715 NT |
2360 | if (afi == AFI_IP) { |
2361 | if (!route_map_is_ipv6_pfx_list_rule_present(index)) | |
2362 | route_map_add_plist_entries(afi, index, | |
2363 | plist_name, pentry); | |
49a08bb0 | 2364 | } else { |
3eca8715 NT |
2365 | if (!route_map_is_ip_pfx_list_rule_present(index)) |
2366 | route_map_add_plist_entries(afi, index, | |
2367 | plist_name, pentry); | |
49a08bb0 NT |
2368 | } |
2369 | } else if (event == RMAP_EVENT_PLIST_DELETED) { | |
2370 | route_map_del_plist_entries(afi, index, plist_name, pentry); | |
2371 | ||
2372 | if (plist->count == 1) { | |
2373 | if (afi == AFI_IP) { | |
3eca8715 NT |
2374 | if (!route_map_is_ipv6_pfx_list_rule_present( |
2375 | index)) | |
49a08bb0 NT |
2376 | route_map_pfx_table_add_default(afi, |
2377 | index); | |
2378 | } else { | |
3eca8715 NT |
2379 | if (!route_map_is_ip_pfx_list_rule_present( |
2380 | index)) | |
49a08bb0 NT |
2381 | route_map_pfx_table_add_default(afi, |
2382 | index); | |
2383 | } | |
2384 | } | |
2385 | } | |
2386 | } | |
2387 | ||
1ac88792 | 2388 | static void route_map_pentry_process_dependency(struct hash_bucket *bucket, |
2d26f094 | 2389 | void *data) |
49a08bb0 NT |
2390 | { |
2391 | char *rmap_name = NULL; | |
2392 | struct route_map *rmap = NULL; | |
2393 | struct route_map_index *index = NULL; | |
2394 | struct route_map_rule_list *match_list = NULL; | |
2395 | struct route_map_rule *match = NULL; | |
2396 | struct route_map_dep_data *dep_data = NULL; | |
2397 | struct route_map_pentry_dep *pentry_dep = | |
2d26f094 | 2398 | (struct route_map_pentry_dep *)data; |
49a08bb0 NT |
2399 | unsigned char family = pentry_dep->pentry->prefix.family; |
2400 | ||
1ac88792 | 2401 | dep_data = (struct route_map_dep_data *)bucket->data; |
49a08bb0 NT |
2402 | if (!dep_data) |
2403 | return; | |
2404 | ||
2405 | rmap_name = dep_data->rname; | |
2406 | rmap = route_map_lookup_by_name(rmap_name); | |
2407 | if (!rmap || !rmap->head) | |
2408 | return; | |
2409 | ||
2410 | for (index = rmap->head; index; index = index->next) { | |
2411 | match_list = &index->match_list; | |
2412 | ||
2413 | if (!match_list) | |
2414 | continue; | |
2415 | ||
2416 | for (match = match_list->head; match; match = match->next) { | |
2417 | if (strcmp(match->rule_str, pentry_dep->plist_name) | |
2d26f094 NT |
2418 | == 0) { |
2419 | if (IS_RULE_IPv4_PREFIX_LIST(match->cmd->str) | |
2420 | && family == AF_INET) { | |
49a08bb0 | 2421 | route_map_pentry_update( |
2d26f094 NT |
2422 | pentry_dep->event, |
2423 | pentry_dep->plist_name, index, | |
2424 | pentry_dep->pentry); | |
819a23f9 | 2425 | } else if (IS_RULE_IPv6_PREFIX_LIST( |
2d26f094 NT |
2426 | match->cmd->str) |
2427 | && family == AF_INET6) { | |
49a08bb0 | 2428 | route_map_pentry_update( |
2d26f094 NT |
2429 | pentry_dep->event, |
2430 | pentry_dep->plist_name, index, | |
2431 | pentry_dep->pentry); | |
49a08bb0 NT |
2432 | } |
2433 | } | |
2434 | } | |
2435 | } | |
2436 | } | |
2437 | ||
2d26f094 NT |
2438 | void route_map_notify_pentry_dependencies(const char *affected_name, |
2439 | struct prefix_list_entry *pentry, | |
2440 | route_map_event_t event) | |
49a08bb0 NT |
2441 | { |
2442 | struct route_map_dep *dep = NULL; | |
2443 | struct hash *upd8_hash = NULL; | |
2444 | struct route_map_pentry_dep pentry_dep; | |
2445 | ||
2446 | if (!affected_name || !pentry) | |
2447 | return; | |
2448 | ||
2449 | upd8_hash = route_map_get_dep_hash(event); | |
2450 | if (!upd8_hash) | |
2451 | return; | |
2452 | ||
2453 | dep = (struct route_map_dep *)hash_get(upd8_hash, (void *)affected_name, | |
2454 | NULL); | |
2455 | if (dep) { | |
2456 | if (!dep->this_hash) | |
2457 | dep->this_hash = upd8_hash; | |
2458 | ||
2459 | memset(&pentry_dep, 0, sizeof(struct route_map_pentry_dep)); | |
2460 | pentry_dep.pentry = pentry; | |
2461 | pentry_dep.plist_name = affected_name; | |
2462 | pentry_dep.event = event; | |
2463 | ||
2464 | hash_iterate(dep->dep_rmap_hash, | |
2465 | route_map_pentry_process_dependency, | |
2466 | (void *)&pentry_dep); | |
2467 | } | |
2468 | } | |
2469 | ||
3bf1c917 | 2470 | /* Apply route map's each index to the object. |
2471 | ||
2472 | The matrix for a route-map looks like this: | |
2473 | (note, this includes the description for the "NEXT" | |
2474 | and "GOTO" frobs now | |
d62a17ae | 2475 | |
b68885f9 LK |
2476 | | Match | No Match | No op |
2477 | |-----------|--------------|------- | |
2478 | permit | action | cont | cont. | |
2479 | | | default:deny | default:permit | |
2480 | -------------------+----------------------- | |
2481 | | deny | cont | cont. | |
2482 | deny | | default:deny | default:permit | |
2483 | |-----------|--------------|-------- | |
d62a17ae | 2484 | |
fee0f4c6 | 2485 | action) |
2486 | -Apply Set statements, accept route | |
2487 | -If Call statement is present jump to the specified route-map, if it | |
d62a17ae | 2488 | denies the route we finish. |
fee0f4c6 | 2489 | -If NEXT is specified, goto NEXT statement |
2490 | -If GOTO is specified, goto the first clause where pref > nextpref | |
2491 | -If nothing is specified, do as Cisco and finish | |
2492 | deny) | |
2493 | -Route is denied by route-map. | |
2494 | cont) | |
2495 | -Goto Next index | |
d62a17ae | 2496 | |
3bf1c917 | 2497 | If we get no matches after we've processed all updates, then the route |
2498 | is dropped too. | |
d62a17ae | 2499 | |
fee0f4c6 | 2500 | Some notes on the new "CALL", "NEXT" and "GOTO" |
2501 | call WORD - If this clause is matched, then the set statements | |
d62a17ae | 2502 | are executed and then we jump to route-map 'WORD'. If |
2503 | this route-map denies the route, we finish, in other | |
2504 | case we | |
2505 | do whatever the exit policy (EXIT, NEXT or GOTO) tells. | |
3bf1c917 | 2506 | on-match next - If this clause is matched, then the set statements |
d62a17ae | 2507 | are executed and then we drop through to the next clause |
214d8a60 | 2508 | on-match goto n - If this clause is matched, then the set statements |
d62a17ae | 2509 | are executed and then we goto the nth clause, or the |
2510 | first clause greater than this. In order to ensure | |
2511 | route-maps *always* exit, you cannot jump backwards. | |
2512 | Sorry ;) | |
2513 | ||
3bf1c917 | 2514 | We need to make sure our route-map processing matches the above |
718e3744 | 2515 | */ |
c2125847 IR |
2516 | route_map_result_t route_map_apply_ext(struct route_map *map, |
2517 | const struct prefix *prefix, | |
2518 | void *match_object, void *set_object) | |
d62a17ae | 2519 | { |
2520 | static int recursion = 0; | |
b68885f9 LK |
2521 | enum route_map_cmd_result_t match_ret = RMAP_NOMATCH; |
2522 | route_map_result_t ret = RMAP_PERMITMATCH; | |
819a23f9 NT |
2523 | struct route_map_index *index = NULL; |
2524 | struct route_map_rule *set = NULL; | |
819a23f9 | 2525 | bool skip_match_clause = false; |
d62a17ae | 2526 | |
2527 | if (recursion > RMAP_RECURSION_LIMIT) { | |
040c7c3a | 2528 | flog_warn( |
450971aa | 2529 | EC_LIB_RMAP_RECURSION_LIMIT, |
d62a17ae | 2530 | "route-map recursion limit (%d) reached, discarding route", |
2531 | RMAP_RECURSION_LIMIT); | |
2532 | recursion = 0; | |
2533 | return RMAP_DENYMATCH; | |
2534 | } | |
2535 | ||
b68885f9 | 2536 | if (map == NULL || map->head == NULL) { |
e3ab8170 AD |
2537 | ret = RMAP_DENYMATCH; |
2538 | goto route_map_apply_end; | |
2539 | } | |
d62a17ae | 2540 | |
279b0607 | 2541 | map->applied++; |
819a23f9 | 2542 | |
2d26f094 NT |
2543 | if ((!map->optimization_disabled) |
2544 | && (map->ipv4_prefix_table || map->ipv6_prefix_table)) { | |
c2125847 | 2545 | index = route_map_get_index(map, prefix, match_object, |
819a23f9 NT |
2546 | (uint8_t *)&match_ret); |
2547 | if (index) { | |
284a6f5f | 2548 | index->applied++; |
819a23f9 NT |
2549 | if (rmap_debug) |
2550 | zlog_debug( | |
2dbe669b DA |
2551 | "Best match route-map: %s, sequence: %d for pfx: %pFX, result: %s", |
2552 | map->name, index->pref, prefix, | |
819a23f9 NT |
2553 | route_map_cmd_result_str(match_ret)); |
2554 | } else { | |
2555 | if (rmap_debug) | |
2d26f094 | 2556 | zlog_debug( |
2dbe669b DA |
2557 | "No best match sequence for pfx: %pFX in route-map: %s, result: %s", |
2558 | prefix, map->name, | |
2d26f094 | 2559 | route_map_cmd_result_str(match_ret)); |
819a23f9 NT |
2560 | /* |
2561 | * No index matches this prefix. Return deny unless, | |
2562 | * match_ret = RMAP_NOOP. | |
2563 | */ | |
2564 | if (match_ret == RMAP_NOOP) | |
2565 | ret = RMAP_PERMITMATCH; | |
2566 | else | |
2567 | ret = RMAP_DENYMATCH; | |
2568 | goto route_map_apply_end; | |
e3ab8170 | 2569 | } |
819a23f9 NT |
2570 | skip_match_clause = true; |
2571 | } else { | |
2572 | index = map->head; | |
2573 | } | |
2574 | ||
2575 | for (; index; index = index->next) { | |
a8f58eb6 | 2576 | if (!skip_match_clause) { |
00aef028 | 2577 | index->applied++; |
819a23f9 NT |
2578 | /* Apply this index. */ |
2579 | match_ret = route_map_apply_match(&index->match_list, | |
c2125847 | 2580 | prefix, match_object); |
819a23f9 NT |
2581 | if (rmap_debug) { |
2582 | zlog_debug( | |
2dbe669b DA |
2583 | "Route-map: %s, sequence: %d, prefix: %pFX, result: %s", |
2584 | map->name, index->pref, prefix, | |
819a23f9 NT |
2585 | route_map_cmd_result_str(match_ret)); |
2586 | } | |
2587 | } else | |
2588 | skip_match_clause = false; | |
2589 | ||
e3ab8170 | 2590 | |
d62a17ae | 2591 | /* Now we apply the matrix from above */ |
b68885f9 LK |
2592 | if (match_ret == RMAP_NOOP) |
2593 | /* | |
2594 | * Do not change the return value. Retain the previous | |
2595 | * return value. Previous values can be: | |
2596 | * 1)permitmatch (if a nomatch was never | |
2597 | * seen before in this route-map.) | |
2598 | * 2)denymatch (if a nomatch was seen earlier in one | |
2599 | * of the previous sequences) | |
2600 | */ | |
2601 | ||
2602 | /* | |
2603 | * 'cont' from matrix - continue to next route-map | |
2604 | * sequence | |
2605 | */ | |
d62a17ae | 2606 | continue; |
b68885f9 LK |
2607 | else if (match_ret == RMAP_NOMATCH) { |
2608 | ||
2609 | /* | |
2610 | * The return value is now changed to denymatch. | |
2611 | * So from here on out, even if we see more noops, | |
2612 | * we retain this return value and return this | |
2613 | * eventually if there are no matches. | |
2614 | */ | |
2615 | ret = RMAP_DENYMATCH; | |
2616 | ||
2617 | /* | |
2618 | * 'cont' from matrix - continue to next route-map | |
2619 | * sequence | |
2620 | */ | |
2621 | continue; | |
2622 | } else if (match_ret == RMAP_MATCH) { | |
d62a17ae | 2623 | if (index->type == RMAP_PERMIT) |
2624 | /* 'action' */ | |
2625 | { | |
b68885f9 LK |
2626 | /* Match succeeded, rmap is of type permit */ |
2627 | ret = RMAP_PERMITMATCH; | |
2628 | ||
d62a17ae | 2629 | /* permit+match must execute sets */ |
2630 | for (set = index->set_list.head; set; | |
2631 | set = set->next) | |
b68885f9 LK |
2632 | /* |
2633 | * set cmds return RMAP_OKAY or | |
2634 | * RMAP_ERROR. We do not care if | |
2635 | * set succeeded or not. So, ignore | |
2636 | * return code. | |
2637 | */ | |
1782514f | 2638 | (void)(*set->cmd->func_apply)( |
c2125847 | 2639 | set->value, prefix, set_object); |
d62a17ae | 2640 | |
2641 | /* Call another route-map if available */ | |
2642 | if (index->nextrm) { | |
2643 | struct route_map *nextrm = | |
2644 | route_map_lookup_by_name( | |
2645 | index->nextrm); | |
2646 | ||
2647 | if (nextrm) /* Target route-map found, | |
2648 | jump to it */ | |
2649 | { | |
2650 | recursion++; | |
c2125847 IR |
2651 | ret = route_map_apply_ext( |
2652 | nextrm, prefix, | |
2653 | match_object, | |
2654 | set_object); | |
d62a17ae | 2655 | recursion--; |
2656 | } | |
2657 | ||
2658 | /* If nextrm returned 'deny', finish. */ | |
2659 | if (ret == RMAP_DENYMATCH) | |
e3ab8170 | 2660 | goto route_map_apply_end; |
d62a17ae | 2661 | } |
2662 | ||
2663 | switch (index->exitpolicy) { | |
2664 | case RMAP_EXIT: | |
e3ab8170 | 2665 | goto route_map_apply_end; |
d62a17ae | 2666 | case RMAP_NEXT: |
2667 | continue; | |
2668 | case RMAP_GOTO: { | |
2669 | /* Find the next clause to jump to */ | |
2670 | struct route_map_index *next = | |
2671 | index->next; | |
2672 | int nextpref = index->nextpref; | |
2673 | ||
2674 | while (next && next->pref < nextpref) { | |
2675 | index = next; | |
2676 | next = next->next; | |
2677 | } | |
2678 | if (next == NULL) { | |
2679 | /* No clauses match! */ | |
e3ab8170 | 2680 | goto route_map_apply_end; |
d62a17ae | 2681 | } |
2682 | } | |
2683 | } | |
2684 | } else if (index->type == RMAP_DENY) | |
2685 | /* 'deny' */ | |
2686 | { | |
e3ab8170 AD |
2687 | ret = RMAP_DENYMATCH; |
2688 | goto route_map_apply_end; | |
d62a17ae | 2689 | } |
2690 | } | |
2691 | } | |
e3ab8170 AD |
2692 | |
2693 | route_map_apply_end: | |
2dbe669b DA |
2694 | if (rmap_debug) |
2695 | zlog_debug("Route-map: %s, prefix: %pFX, result: %s", | |
2696 | (map ? map->name : "null"), prefix, | |
e3ab8170 | 2697 | route_map_result_str(ret)); |
e3ab8170 AD |
2698 | |
2699 | return (ret); | |
d62a17ae | 2700 | } |
2701 | ||
2702 | void route_map_add_hook(void (*func)(const char *)) | |
2703 | { | |
2704 | route_map_master.add_hook = func; | |
2705 | } | |
2706 | ||
2707 | void route_map_delete_hook(void (*func)(const char *)) | |
2708 | { | |
2709 | route_map_master.delete_hook = func; | |
2710 | } | |
2711 | ||
097b5973 | 2712 | void route_map_event_hook(void (*func)(const char *name)) |
d62a17ae | 2713 | { |
2714 | route_map_master.event_hook = func; | |
718e3744 | 2715 | } |
2716 | ||
518f0eb1 | 2717 | /* Routines for route map dependency lists and dependency processing */ |
74df8d6d | 2718 | static bool route_map_rmap_hash_cmp(const void *p1, const void *p2) |
518f0eb1 | 2719 | { |
e2c8d6ce NT |
2720 | return strcmp(((const struct route_map_dep_data *)p1)->rname, |
2721 | ((const struct route_map_dep_data *)p2)->rname) | |
2722 | == 0; | |
518f0eb1 DS |
2723 | } |
2724 | ||
74df8d6d | 2725 | static bool route_map_dep_hash_cmp(const void *p1, const void *p2) |
518f0eb1 DS |
2726 | { |
2727 | ||
d62a17ae | 2728 | return (strcmp(((const struct route_map_dep *)p1)->dep_name, |
2729 | (const char *)p2) | |
2730 | == 0); | |
518f0eb1 DS |
2731 | } |
2732 | ||
e3b78da8 | 2733 | static void route_map_clear_reference(struct hash_bucket *bucket, void *arg) |
518f0eb1 | 2734 | { |
e2c8d6ce NT |
2735 | struct route_map_dep *dep = bucket->data; |
2736 | struct route_map_dep_data *dep_data = NULL, tmp_dep_data; | |
518f0eb1 | 2737 | |
db8db580 DS |
2738 | memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); |
2739 | tmp_dep_data.rname = arg; | |
2740 | dep_data = hash_release(dep->dep_rmap_hash, &tmp_dep_data); | |
2741 | if (dep_data) { | |
af87aff6 DS |
2742 | if (rmap_debug) |
2743 | zlog_debug("Clearing reference for %s to %s count: %d", | |
2744 | dep->dep_name, tmp_dep_data.rname, | |
2745 | dep_data->refcnt); | |
2746 | ||
db8db580 DS |
2747 | XFREE(MTYPE_ROUTE_MAP_NAME, dep_data->rname); |
2748 | XFREE(MTYPE_ROUTE_MAP_DEP_DATA, dep_data); | |
2749 | } | |
2750 | if (!dep->dep_rmap_hash->count) { | |
2751 | dep = hash_release(dep->this_hash, (void *)dep->dep_name); | |
2752 | hash_free(dep->dep_rmap_hash); | |
2753 | XFREE(MTYPE_ROUTE_MAP_NAME, dep->dep_name); | |
2754 | XFREE(MTYPE_ROUTE_MAP_DEP, dep); | |
518f0eb1 | 2755 | } |
d62a17ae | 2756 | } |
2757 | ||
2758 | static void route_map_clear_all_references(char *rmap_name) | |
2759 | { | |
2760 | int i; | |
2761 | ||
af87aff6 DS |
2762 | if (rmap_debug) |
2763 | zlog_debug("Clearing references for %s", rmap_name); | |
2764 | ||
d62a17ae | 2765 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) { |
2766 | hash_iterate(route_map_dep_hash[i], route_map_clear_reference, | |
2767 | (void *)rmap_name); | |
518f0eb1 | 2768 | } |
518f0eb1 DS |
2769 | } |
2770 | ||
e2c8d6ce NT |
2771 | static unsigned int route_map_dep_data_hash_make_key(const void *p) |
2772 | { | |
2773 | const struct route_map_dep_data *dep_data = p; | |
2774 | ||
2775 | return string_hash_make(dep_data->rname); | |
2776 | } | |
2777 | ||
d62a17ae | 2778 | static void *route_map_dep_hash_alloc(void *p) |
518f0eb1 | 2779 | { |
d62a17ae | 2780 | char *dep_name = (char *)p; |
2781 | struct route_map_dep *dep_entry; | |
2782 | ||
2783 | dep_entry = XCALLOC(MTYPE_ROUTE_MAP_DEP, sizeof(struct route_map_dep)); | |
2784 | dep_entry->dep_name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, dep_name); | |
996c9314 | 2785 | dep_entry->dep_rmap_hash = |
e2c8d6ce | 2786 | hash_create_size(8, route_map_dep_data_hash_make_key, |
996c9314 | 2787 | route_map_rmap_hash_cmp, "Route Map Dep Hash"); |
d62a17ae | 2788 | dep_entry->this_hash = NULL; |
2789 | ||
e2c8d6ce | 2790 | return dep_entry; |
d62a17ae | 2791 | } |
518f0eb1 | 2792 | |
d62a17ae | 2793 | static void *route_map_name_hash_alloc(void *p) |
2794 | { | |
e2c8d6ce NT |
2795 | struct route_map_dep_data *dep_data = NULL, *tmp_dep_data = NULL; |
2796 | ||
2797 | dep_data = XCALLOC(MTYPE_ROUTE_MAP_DEP_DATA, | |
2798 | sizeof(struct route_map_dep_data)); | |
2799 | tmp_dep_data = p; | |
2800 | dep_data->rname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, tmp_dep_data->rname); | |
2801 | return dep_data; | |
518f0eb1 DS |
2802 | } |
2803 | ||
d8b87afe | 2804 | static unsigned int route_map_dep_hash_make_key(const void *p) |
518f0eb1 | 2805 | { |
d62a17ae | 2806 | return (string_hash_make((char *)p)); |
2807 | } | |
518f0eb1 | 2808 | |
e3b78da8 | 2809 | static void route_map_print_dependency(struct hash_bucket *bucket, void *data) |
d62a17ae | 2810 | { |
e2c8d6ce NT |
2811 | struct route_map_dep_data *dep_data = bucket->data; |
2812 | char *rmap_name = dep_data->rname; | |
2813 | char *dep_name = data; | |
518f0eb1 | 2814 | |
15569c58 | 2815 | zlog_debug("%s: Dependency for %s: %s", __func__, dep_name, rmap_name); |
518f0eb1 DS |
2816 | } |
2817 | ||
d62a17ae | 2818 | static int route_map_dep_update(struct hash *dephash, const char *dep_name, |
2819 | const char *rmap_name, route_map_event_t type) | |
518f0eb1 | 2820 | { |
d62a17ae | 2821 | struct route_map_dep *dep = NULL; |
d62a17ae | 2822 | char *dname, *rname; |
2823 | int ret = 0; | |
e2c8d6ce NT |
2824 | struct route_map_dep_data *dep_data = NULL, *ret_dep_data = NULL; |
2825 | struct route_map_dep_data tmp_dep_data; | |
d62a17ae | 2826 | |
2827 | dname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, dep_name); | |
2828 | rname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap_name); | |
2829 | ||
2830 | switch (type) { | |
2831 | case RMAP_EVENT_PLIST_ADDED: | |
2832 | case RMAP_EVENT_CLIST_ADDED: | |
2833 | case RMAP_EVENT_ECLIST_ADDED: | |
2834 | case RMAP_EVENT_ASLIST_ADDED: | |
2835 | case RMAP_EVENT_LLIST_ADDED: | |
2836 | case RMAP_EVENT_CALL_ADDED: | |
2837 | case RMAP_EVENT_FILTER_ADDED: | |
2838 | if (rmap_debug) | |
e3ab8170 AD |
2839 | zlog_debug("Adding dependency for filter %s in route-map %s", |
2840 | dep_name, rmap_name); | |
d62a17ae | 2841 | dep = (struct route_map_dep *)hash_get( |
2842 | dephash, dname, route_map_dep_hash_alloc); | |
2843 | if (!dep) { | |
2844 | ret = -1; | |
2845 | goto out; | |
2846 | } | |
2847 | ||
2848 | if (!dep->this_hash) | |
2849 | dep->this_hash = dephash; | |
2850 | ||
e2c8d6ce NT |
2851 | memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); |
2852 | tmp_dep_data.rname = rname; | |
2853 | dep_data = hash_lookup(dep->dep_rmap_hash, &tmp_dep_data); | |
2854 | if (!dep_data) | |
2855 | dep_data = hash_get(dep->dep_rmap_hash, &tmp_dep_data, | |
2856 | route_map_name_hash_alloc); | |
2857 | ||
2858 | dep_data->refcnt++; | |
d62a17ae | 2859 | break; |
2860 | case RMAP_EVENT_PLIST_DELETED: | |
2861 | case RMAP_EVENT_CLIST_DELETED: | |
2862 | case RMAP_EVENT_ECLIST_DELETED: | |
2863 | case RMAP_EVENT_ASLIST_DELETED: | |
2864 | case RMAP_EVENT_LLIST_DELETED: | |
2865 | case RMAP_EVENT_CALL_DELETED: | |
2866 | case RMAP_EVENT_FILTER_DELETED: | |
2867 | if (rmap_debug) | |
e3ab8170 AD |
2868 | zlog_debug("Deleting dependency for filter %s in route-map %s", |
2869 | dep_name, rmap_name); | |
d62a17ae | 2870 | dep = (struct route_map_dep *)hash_get(dephash, dname, NULL); |
2871 | if (!dep) { | |
2872 | goto out; | |
2873 | } | |
2874 | ||
e2c8d6ce NT |
2875 | memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); |
2876 | tmp_dep_data.rname = rname; | |
2877 | dep_data = hash_lookup(dep->dep_rmap_hash, &tmp_dep_data); | |
9149c635 DS |
2878 | /* |
2879 | * If dep_data is NULL then something has gone seriously | |
2880 | * wrong in route-map handling. Note it and prevent | |
2881 | * the crash. | |
2882 | */ | |
2883 | if (!dep_data) { | |
2884 | zlog_warn( | |
2885 | "route-map dependency for route-map %s: %s is not correct", | |
2886 | rmap_name, dep_name); | |
c415a4dc | 2887 | goto out; |
9149c635 | 2888 | } |
c415a4dc | 2889 | |
9149c635 | 2890 | dep_data->refcnt--; |
e2c8d6ce NT |
2891 | |
2892 | if (!dep_data->refcnt) { | |
2893 | ret_dep_data = hash_release(dep->dep_rmap_hash, | |
2894 | &tmp_dep_data); | |
2895 | if (ret_dep_data) { | |
2896 | XFREE(MTYPE_ROUTE_MAP_NAME, | |
2897 | ret_dep_data->rname); | |
2898 | XFREE(MTYPE_ROUTE_MAP_DEP_DATA, ret_dep_data); | |
2899 | } | |
2900 | } | |
d62a17ae | 2901 | |
2902 | if (!dep->dep_rmap_hash->count) { | |
2903 | dep = hash_release(dephash, dname); | |
2904 | hash_free(dep->dep_rmap_hash); | |
2905 | XFREE(MTYPE_ROUTE_MAP_NAME, dep->dep_name); | |
2906 | XFREE(MTYPE_ROUTE_MAP_DEP, dep); | |
d62a17ae | 2907 | } |
2908 | break; | |
ba1707ca DS |
2909 | case RMAP_EVENT_SET_ADDED: |
2910 | case RMAP_EVENT_SET_DELETED: | |
2911 | case RMAP_EVENT_SET_REPLACED: | |
2912 | case RMAP_EVENT_MATCH_ADDED: | |
2913 | case RMAP_EVENT_MATCH_DELETED: | |
2914 | case RMAP_EVENT_MATCH_REPLACED: | |
2915 | case RMAP_EVENT_INDEX_ADDED: | |
2916 | case RMAP_EVENT_INDEX_DELETED: | |
d62a17ae | 2917 | break; |
2918 | } | |
2919 | ||
2920 | if (dep) { | |
2921 | if (rmap_debug) | |
2922 | hash_iterate(dep->dep_rmap_hash, | |
2923 | route_map_print_dependency, dname); | |
2924 | } | |
2925 | ||
2926 | out: | |
2927 | XFREE(MTYPE_ROUTE_MAP_NAME, rname); | |
2928 | XFREE(MTYPE_ROUTE_MAP_NAME, dname); | |
2929 | return ret; | |
2930 | } | |
2931 | ||
2932 | static struct hash *route_map_get_dep_hash(route_map_event_t event) | |
2933 | { | |
2934 | struct hash *upd8_hash = NULL; | |
2935 | ||
2936 | switch (event) { | |
2937 | case RMAP_EVENT_PLIST_ADDED: | |
2938 | case RMAP_EVENT_PLIST_DELETED: | |
2939 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_PLIST]; | |
2940 | break; | |
2941 | case RMAP_EVENT_CLIST_ADDED: | |
2942 | case RMAP_EVENT_CLIST_DELETED: | |
2943 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_CLIST]; | |
2944 | break; | |
2945 | case RMAP_EVENT_ECLIST_ADDED: | |
2946 | case RMAP_EVENT_ECLIST_DELETED: | |
2947 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_ECLIST]; | |
2948 | break; | |
2949 | case RMAP_EVENT_ASLIST_ADDED: | |
2950 | case RMAP_EVENT_ASLIST_DELETED: | |
2951 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_ASPATH]; | |
2952 | break; | |
2953 | case RMAP_EVENT_LLIST_ADDED: | |
2954 | case RMAP_EVENT_LLIST_DELETED: | |
2955 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_LCLIST]; | |
2956 | break; | |
2957 | case RMAP_EVENT_CALL_ADDED: | |
2958 | case RMAP_EVENT_CALL_DELETED: | |
5ed2e47b | 2959 | case RMAP_EVENT_MATCH_ADDED: |
2960 | case RMAP_EVENT_MATCH_DELETED: | |
d62a17ae | 2961 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_RMAP]; |
2962 | break; | |
2963 | case RMAP_EVENT_FILTER_ADDED: | |
2964 | case RMAP_EVENT_FILTER_DELETED: | |
2965 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_FILTER]; | |
2966 | break; | |
ba1707ca DS |
2967 | /* |
2968 | * Should we actually be ignoring these? | |
2969 | * I am not sure but at this point in time, let | |
2970 | * us get them into this switch and we can peel | |
2971 | * them into the appropriate place in the future | |
2972 | */ | |
2973 | case RMAP_EVENT_SET_ADDED: | |
2974 | case RMAP_EVENT_SET_DELETED: | |
2975 | case RMAP_EVENT_SET_REPLACED: | |
2976 | case RMAP_EVENT_MATCH_REPLACED: | |
2977 | case RMAP_EVENT_INDEX_ADDED: | |
2978 | case RMAP_EVENT_INDEX_DELETED: | |
d62a17ae | 2979 | upd8_hash = NULL; |
2980 | break; | |
2981 | } | |
2982 | return (upd8_hash); | |
518f0eb1 DS |
2983 | } |
2984 | ||
e3b78da8 | 2985 | static void route_map_process_dependency(struct hash_bucket *bucket, void *data) |
518f0eb1 | 2986 | { |
e2c8d6ce NT |
2987 | struct route_map_dep_data *dep_data = NULL; |
2988 | char *rmap_name = NULL; | |
2989 | ||
2990 | dep_data = bucket->data; | |
2991 | rmap_name = dep_data->rname; | |
d62a17ae | 2992 | |
1fae5ff2 | 2993 | if (rmap_debug) |
e3ab8170 | 2994 | zlog_debug("Notifying %s of dependency", rmap_name); |
1fae5ff2 | 2995 | if (route_map_master.event_hook) |
097b5973 | 2996 | (*route_map_master.event_hook)(rmap_name); |
518f0eb1 DS |
2997 | } |
2998 | ||
d62a17ae | 2999 | void route_map_upd8_dependency(route_map_event_t type, const char *arg, |
3000 | const char *rmap_name) | |
518f0eb1 | 3001 | { |
d62a17ae | 3002 | struct hash *upd8_hash = NULL; |
518f0eb1 | 3003 | |
fdf823db | 3004 | if ((upd8_hash = route_map_get_dep_hash(type))) { |
d62a17ae | 3005 | route_map_dep_update(upd8_hash, arg, rmap_name, type); |
fdf823db NT |
3006 | |
3007 | if (type == RMAP_EVENT_CALL_ADDED) { | |
3008 | /* Execute hook. */ | |
3009 | if (route_map_master.add_hook) | |
3010 | (*route_map_master.add_hook)(rmap_name); | |
3011 | } else if (type == RMAP_EVENT_CALL_DELETED) { | |
3012 | /* Execute hook. */ | |
3013 | if (route_map_master.delete_hook) | |
3014 | (*route_map_master.delete_hook)(rmap_name); | |
3015 | } | |
3016 | } | |
518f0eb1 DS |
3017 | } |
3018 | ||
d62a17ae | 3019 | void route_map_notify_dependencies(const char *affected_name, |
3020 | route_map_event_t event) | |
518f0eb1 | 3021 | { |
d62a17ae | 3022 | struct route_map_dep *dep; |
3023 | struct hash *upd8_hash; | |
3024 | char *name; | |
3025 | ||
3026 | if (!affected_name) | |
3027 | return; | |
3028 | ||
3029 | name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, affected_name); | |
3030 | ||
3031 | if ((upd8_hash = route_map_get_dep_hash(event)) == NULL) { | |
3032 | XFREE(MTYPE_ROUTE_MAP_NAME, name); | |
3033 | return; | |
518f0eb1 | 3034 | } |
d62a17ae | 3035 | |
3036 | dep = (struct route_map_dep *)hash_get(upd8_hash, name, NULL); | |
3037 | if (dep) { | |
3038 | if (!dep->this_hash) | |
3039 | dep->this_hash = upd8_hash; | |
3040 | ||
e3ab8170 AD |
3041 | if (rmap_debug) |
3042 | zlog_debug("Filter %s updated", dep->dep_name); | |
d62a17ae | 3043 | hash_iterate(dep->dep_rmap_hash, route_map_process_dependency, |
3044 | (void *)event); | |
3045 | } | |
3046 | ||
3047 | XFREE(MTYPE_ROUTE_MAP_NAME, name); | |
518f0eb1 DS |
3048 | } |
3049 | ||
718e3744 | 3050 | /* VTY related functions. */ |
1fa30509 DS |
3051 | static void clear_route_map_helper(struct route_map *map) |
3052 | { | |
3053 | struct route_map_index *index; | |
3054 | ||
3055 | map->applied_clear = map->applied; | |
3056 | for (index = map->head; index; index = index->next) | |
3057 | index->applied_clear = index->applied; | |
3058 | } | |
3059 | ||
3060 | DEFUN (rmap_clear_counters, | |
3061 | rmap_clear_counters_cmd, | |
3062 | "clear route-map counters [WORD]", | |
3063 | CLEAR_STR | |
3064 | "route-map information\n" | |
3065 | "counters associated with the specified route-map\n" | |
3066 | "route-map name\n") | |
3067 | { | |
3068 | int idx_word = 2; | |
3069 | struct route_map *map; | |
3070 | ||
3071 | const char *name = (argc == 3 ) ? argv[idx_word]->arg : NULL; | |
3072 | ||
3073 | if (name) { | |
3074 | map = route_map_lookup_by_name(name); | |
3075 | ||
3076 | if (map) | |
3077 | clear_route_map_helper(map); | |
3078 | else { | |
3079 | vty_out(vty, "%s: 'route-map %s' not found\n", | |
3080 | frr_protonameinst, name); | |
3081 | return CMD_SUCCESS; | |
3082 | } | |
3083 | } else { | |
3084 | for (map = route_map_master.head; map; map = map->next) | |
3085 | clear_route_map_helper(map); | |
3086 | } | |
3087 | ||
3088 | return CMD_SUCCESS; | |
3089 | ||
3090 | } | |
5510e83b | 3091 | |
6d2729e3 | 3092 | DEFUN (rmap_show_name, |
5510e83b | 3093 | rmap_show_name_cmd, |
856ed18a | 3094 | "show route-map [WORD] [json]", |
5510e83b | 3095 | SHOW_STR |
3096 | "route-map information\n" | |
856ed18a RW |
3097 | "route-map name\n" |
3098 | JSON_STR) | |
5510e83b | 3099 | { |
856ed18a RW |
3100 | bool uj = use_json(argc, argv); |
3101 | int idx = 0; | |
3102 | const char *name = NULL; | |
3103 | ||
3104 | if (argv_find(argv, argc, "WORD", &idx)) | |
3105 | name = argv[idx]->arg; | |
3106 | ||
3107 | return vty_show_route_map(vty, name, uj); | |
5510e83b | 3108 | } |
3109 | ||
4a2a09d0 | 3110 | DEFUN (rmap_show_unused, |
3111 | rmap_show_unused_cmd, | |
3112 | "show route-map-unused", | |
3113 | SHOW_STR | |
3114 | "unused route-map information\n") | |
3115 | { | |
3116 | return vty_show_unused_route_map(vty); | |
3117 | } | |
3118 | ||
e3ab8170 AD |
3119 | DEFUN (debug_rmap, |
3120 | debug_rmap_cmd, | |
3121 | "debug route-map", | |
3122 | DEBUG_STR | |
3123 | "Debug option set for route-maps\n") | |
3124 | { | |
3125 | rmap_debug = true; | |
3126 | return CMD_SUCCESS; | |
3127 | } | |
3128 | ||
3129 | DEFUN (no_debug_rmap, | |
3130 | no_debug_rmap_cmd, | |
3131 | "no debug route-map", | |
3132 | NO_STR | |
3133 | DEBUG_STR | |
3134 | "Debug option set for route-maps\n") | |
3135 | { | |
3136 | rmap_debug = false; | |
3137 | return CMD_SUCCESS; | |
3138 | } | |
3139 | ||
3140 | /* Debug node. */ | |
612c2c15 | 3141 | static int rmap_config_write_debug(struct vty *vty); |
62b346ee | 3142 | static struct cmd_node rmap_debug_node = { |
f4b8291f | 3143 | .name = "route-map debug", |
62b346ee DL |
3144 | .node = RMAP_DEBUG_NODE, |
3145 | .prompt = "", | |
612c2c15 | 3146 | .config_write = rmap_config_write_debug, |
62b346ee | 3147 | }; |
e3ab8170 | 3148 | |
718e3744 | 3149 | /* Configuration write function. */ |
e3ab8170 AD |
3150 | static int rmap_config_write_debug(struct vty *vty) |
3151 | { | |
3152 | int write = 0; | |
3153 | ||
3154 | if (rmap_debug) { | |
3155 | vty_out(vty, "debug route-map\n"); | |
3156 | write++; | |
3157 | } | |
3158 | ||
3159 | return write; | |
3160 | } | |
3161 | ||
dc9ffce8 CF |
3162 | /* Common route map rules */ |
3163 | ||
d62a17ae | 3164 | void *route_map_rule_tag_compile(const char *arg) |
dc9ffce8 | 3165 | { |
d62a17ae | 3166 | unsigned long int tmp; |
3167 | char *endptr; | |
3168 | route_tag_t *tag; | |
dc9ffce8 | 3169 | |
d62a17ae | 3170 | errno = 0; |
3171 | tmp = strtoul(arg, &endptr, 0); | |
3172 | if (arg[0] == '\0' || *endptr != '\0' || errno || tmp > ROUTE_TAG_MAX) | |
3173 | return NULL; | |
dc9ffce8 | 3174 | |
d62a17ae | 3175 | tag = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(*tag)); |
3176 | *tag = tmp; | |
dc9ffce8 | 3177 | |
d62a17ae | 3178 | return tag; |
dc9ffce8 CF |
3179 | } |
3180 | ||
d62a17ae | 3181 | void route_map_rule_tag_free(void *rule) |
dc9ffce8 | 3182 | { |
d62a17ae | 3183 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); |
dc9ffce8 CF |
3184 | } |
3185 | ||
d62a17ae | 3186 | void route_map_finish(void) |
9df78e7c | 3187 | { |
d62a17ae | 3188 | int i; |
88711d8a DL |
3189 | struct route_map_rule_cmd_proxy *proxy; |
3190 | ||
3191 | /* these 2 hash tables have INIT_HASH initializers, so the "default" | |
3192 | * state is "initialized & empty" => fini() followed by init() to | |
3193 | * return to that same state | |
3194 | */ | |
3195 | while ((proxy = rmap_cmd_name_pop(rmap_match_cmds))) | |
3196 | (void)proxy; | |
3197 | rmap_cmd_name_fini(rmap_match_cmds); | |
3198 | rmap_cmd_name_init(rmap_match_cmds); | |
9df78e7c | 3199 | |
88711d8a DL |
3200 | while ((proxy = rmap_cmd_name_pop(rmap_set_cmds))) |
3201 | (void)proxy; | |
3202 | rmap_cmd_name_fini(rmap_set_cmds); | |
3203 | rmap_cmd_name_init(rmap_set_cmds); | |
9df78e7c | 3204 | |
8619629a DS |
3205 | /* |
3206 | * All protocols are setting these to NULL | |
3207 | * by default on shutdown( route_map_finish ) | |
3208 | * Why are we making them do this work? | |
3209 | */ | |
3210 | route_map_master.add_hook = NULL; | |
3211 | route_map_master.delete_hook = NULL; | |
3212 | route_map_master.event_hook = NULL; | |
3213 | ||
d62a17ae | 3214 | /* cleanup route_map */ |
3215 | while (route_map_master.head) { | |
3216 | struct route_map *map = route_map_master.head; | |
e4694d0d | 3217 | map->to_be_processed = false; |
d62a17ae | 3218 | route_map_delete(map); |
3219 | } | |
9df78e7c | 3220 | |
d62a17ae | 3221 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) { |
3222 | hash_free(route_map_dep_hash[i]); | |
3223 | route_map_dep_hash[i] = NULL; | |
3224 | } | |
9df78e7c | 3225 | |
d62a17ae | 3226 | hash_free(route_map_master_hash); |
3227 | route_map_master_hash = NULL; | |
9df78e7c DS |
3228 | } |
3229 | ||
4a2a09d0 | 3230 | /* Increment the use_count counter while attaching the route map */ |
3231 | void route_map_counter_increment(struct route_map *map) | |
3232 | { | |
3233 | if (map) | |
3234 | map->use_count++; | |
3235 | } | |
3236 | ||
3237 | /* Decrement the use_count counter while detaching the route map. */ | |
3238 | void route_map_counter_decrement(struct route_map *map) | |
3239 | { | |
3240 | if (map) { | |
3241 | if (map->use_count <= 0) | |
3242 | return; | |
3243 | map->use_count--; | |
3244 | } | |
3245 | } | |
3246 | ||
2d26f094 NT |
3247 | DEFUN_HIDDEN(show_route_map_pfx_tbl, show_route_map_pfx_tbl_cmd, |
3248 | "show route-map WORD prefix-table", | |
3249 | SHOW_STR | |
3250 | "route-map\n" | |
3251 | "route-map name\n" | |
3252 | "internal prefix-table\n") | |
3253 | { | |
3254 | const char *rmap_name = argv[2]->arg; | |
3255 | struct route_map *rmap = NULL; | |
3256 | struct route_table *rm_pfx_tbl4 = NULL; | |
3257 | struct route_table *rm_pfx_tbl6 = NULL; | |
3258 | struct route_node *rn = NULL, *prn = NULL; | |
3259 | struct list *rmap_index_list = NULL; | |
3260 | struct listnode *ln = NULL, *nln = NULL; | |
3261 | struct route_map_index *index = NULL; | |
2d26f094 NT |
3262 | uint8_t len = 54; |
3263 | ||
3264 | vty_out(vty, "%s:\n", frr_protonameinst); | |
3265 | rmap = route_map_lookup_by_name(rmap_name); | |
3266 | if (rmap) { | |
3267 | rm_pfx_tbl4 = rmap->ipv4_prefix_table; | |
3268 | if (rm_pfx_tbl4) { | |
3269 | vty_out(vty, "\n%s%43s%s\n", "IPv4 Prefix", "", | |
3270 | "Route-map Index List"); | |
3271 | vty_out(vty, "%s%39s%s\n", "_______________", "", | |
3272 | "____________________"); | |
3273 | for (rn = route_top(rm_pfx_tbl4); rn; | |
3274 | rn = route_next(rn)) { | |
b219dda1 | 3275 | vty_out(vty, " %pRN (%d)\n", rn, |
c10e14e9 | 3276 | route_node_get_lock_count(rn)); |
2d26f094 NT |
3277 | |
3278 | vty_out(vty, "(P) "); | |
3279 | prn = rn->parent; | |
3280 | if (prn) { | |
b219dda1 | 3281 | vty_out(vty, "%pRN\n", prn); |
2d26f094 NT |
3282 | } |
3283 | ||
3284 | vty_out(vty, "\n"); | |
3285 | rmap_index_list = (struct list *)rn->info; | |
3286 | if (!rmap_index_list | |
3287 | || !listcount(rmap_index_list)) | |
3288 | vty_out(vty, "%*s%s\n", len, "", "-"); | |
3289 | else | |
3290 | for (ALL_LIST_ELEMENTS(rmap_index_list, | |
3291 | ln, nln, | |
3292 | index)) { | |
3293 | vty_out(vty, "%*s%s seq %d\n", | |
3294 | len, "", | |
3295 | index->map->name, | |
3296 | index->pref); | |
3297 | } | |
3298 | vty_out(vty, "\n"); | |
3299 | } | |
3300 | } | |
3301 | ||
3302 | rm_pfx_tbl6 = rmap->ipv6_prefix_table; | |
3303 | if (rm_pfx_tbl6) { | |
3304 | vty_out(vty, "\n%s%43s%s\n", "IPv6 Prefix", "", | |
3305 | "Route-map Index List"); | |
3306 | vty_out(vty, "%s%39s%s\n", "_______________", "", | |
3307 | "____________________"); | |
3308 | for (rn = route_top(rm_pfx_tbl6); rn; | |
3309 | rn = route_next(rn)) { | |
b219dda1 | 3310 | vty_out(vty, " %pRN (%d)\n", rn, |
c10e14e9 | 3311 | route_node_get_lock_count(rn)); |
2d26f094 NT |
3312 | |
3313 | vty_out(vty, "(P) "); | |
3314 | prn = rn->parent; | |
3315 | if (prn) { | |
b219dda1 | 3316 | vty_out(vty, "%pRN\n", prn); |
2d26f094 NT |
3317 | } |
3318 | ||
3319 | vty_out(vty, "\n"); | |
3320 | rmap_index_list = (struct list *)rn->info; | |
3321 | if (!rmap_index_list | |
3322 | || !listcount(rmap_index_list)) | |
3323 | vty_out(vty, "%*s%s\n", len, "", "-"); | |
3324 | else | |
3325 | for (ALL_LIST_ELEMENTS(rmap_index_list, | |
3326 | ln, nln, | |
3327 | index)) { | |
3328 | vty_out(vty, "%*s%s seq %d\n", | |
3329 | len, "", | |
3330 | index->map->name, | |
3331 | index->pref); | |
3332 | } | |
3333 | vty_out(vty, "\n"); | |
3334 | } | |
3335 | } | |
3336 | } | |
3337 | ||
3338 | vty_out(vty, "\n"); | |
3339 | return CMD_SUCCESS; | |
3340 | } | |
3341 | ||
718e3744 | 3342 | /* Initialization of route map vector. */ |
d62a17ae | 3343 | void route_map_init(void) |
718e3744 | 3344 | { |
d62a17ae | 3345 | int i; |
3346 | ||
d62a17ae | 3347 | route_map_master_hash = |
996c9314 | 3348 | hash_create_size(8, route_map_hash_key_make, route_map_hash_cmp, |
bd74dc61 | 3349 | "Route Map Master Hash"); |
d62a17ae | 3350 | |
3351 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) | |
996c9314 LB |
3352 | route_map_dep_hash[i] = hash_create_size( |
3353 | 8, route_map_dep_hash_make_key, route_map_dep_hash_cmp, | |
3354 | "Route Map Dep Hash"); | |
b2575bc0 | 3355 | |
e3ab8170 AD |
3356 | rmap_debug = false; |
3357 | ||
2b3e4807 | 3358 | route_map_cli_init(); |
518f0eb1 | 3359 | |
2b3e4807 | 3360 | /* Install route map top node. */ |
612c2c15 | 3361 | install_node(&rmap_debug_node); |
e3ab8170 | 3362 | |
d62a17ae | 3363 | /* Install route map commands. */ |
e3ab8170 AD |
3364 | install_element(CONFIG_NODE, &debug_rmap_cmd); |
3365 | install_element(CONFIG_NODE, &no_debug_rmap_cmd); | |
3366 | ||
d62a17ae | 3367 | /* Install show command */ |
1fa30509 DS |
3368 | install_element(ENABLE_NODE, &rmap_clear_counters_cmd); |
3369 | ||
d62a17ae | 3370 | install_element(ENABLE_NODE, &rmap_show_name_cmd); |
4a2a09d0 | 3371 | install_element(ENABLE_NODE, &rmap_show_unused_cmd); |
82f97584 | 3372 | |
e3ab8170 AD |
3373 | install_element(ENABLE_NODE, &debug_rmap_cmd); |
3374 | install_element(ENABLE_NODE, &no_debug_rmap_cmd); | |
49a08bb0 | 3375 | |
2d26f094 | 3376 | install_element(ENABLE_NODE, &show_route_map_pfx_tbl_cmd); |
718e3744 | 3377 | } |