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718e3744 | 1 | /* |
508e53e2 | 2 | * Copyright (C) 2003 Yasuhiro Ohara |
718e3744 | 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 | * | |
896014f4 DL |
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 | |
718e3744 | 19 | */ |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | /* Include other stuffs */ | |
718e3744 | 24 | #include "log.h" |
718e3744 | 25 | #include "linklist.h" |
1e05838a | 26 | #include "vector.h" |
27 | #include "vty.h" | |
718e3744 | 28 | #include "command.h" |
29 | #include "memory.h" | |
718e3744 | 30 | #include "thread.h" |
d8a4e42b | 31 | #include "checksum.h" |
6ddb368d | 32 | #include "frrstr.h" |
718e3744 | 33 | |
34 | #include "ospf6_proto.h" | |
718e3744 | 35 | #include "ospf6_lsa.h" |
36 | #include "ospf6_lsdb.h" | |
37 | #include "ospf6_message.h" | |
c4122b55 YR |
38 | #include "ospf6_asbr.h" |
39 | #include "ospf6_zebra.h" | |
718e3744 | 40 | |
41 | #include "ospf6_top.h" | |
42 | #include "ospf6_area.h" | |
43 | #include "ospf6_interface.h" | |
44 | #include "ospf6_neighbor.h" | |
718e3744 | 45 | |
508e53e2 | 46 | #include "ospf6_flood.h" |
049207c3 | 47 | #include "ospf6d.h" |
718e3744 | 48 | |
4dc43886 | 49 | #include "ospf6d/ospf6_lsa_clippy.c" |
4dc43886 | 50 | |
30043e4c DL |
51 | DEFINE_MTYPE_STATIC(OSPF6D, OSPF6_LSA, "OSPF6 LSA"); |
52 | DEFINE_MTYPE_STATIC(OSPF6D, OSPF6_LSA_HEADER, "OSPF6 LSA header"); | |
53 | DEFINE_MTYPE_STATIC(OSPF6D, OSPF6_LSA_SUMMARY, "OSPF6 LSA summary"); | |
54 | ||
067967b8 | 55 | static struct ospf6_lsa_handler *lsa_handlers[OSPF6_LSTYPE_SIZE]; |
718e3744 | 56 | |
beadc736 | 57 | struct ospf6 *ospf6_get_by_lsdb(struct ospf6_lsa *lsa) |
58 | { | |
59 | struct ospf6 *ospf6 = NULL; | |
60 | ||
61 | switch (OSPF6_LSA_SCOPE(lsa->header->type)) { | |
62 | case OSPF6_SCOPE_LINKLOCAL: | |
63 | ospf6 = OSPF6_INTERFACE(lsa->lsdb->data)->area->ospf6; | |
64 | break; | |
65 | case OSPF6_SCOPE_AREA: | |
66 | ospf6 = OSPF6_AREA(lsa->lsdb->data)->ospf6; | |
67 | break; | |
68 | case OSPF6_SCOPE_AS: | |
69 | ospf6 = OSPF6_PROCESS(lsa->lsdb->data); | |
70 | break; | |
71 | default: | |
72 | assert(0); | |
73 | break; | |
74 | } | |
75 | return ospf6; | |
76 | } | |
77 | ||
e4bacbaa YR |
78 | static int ospf6_unknown_lsa_show(struct vty *vty, struct ospf6_lsa *lsa, |
79 | json_object *json_obj, bool use_json) | |
1e05838a | 80 | { |
d7c0a89a | 81 | uint8_t *start, *end, *current; |
1e05838a | 82 | |
d7c0a89a QY |
83 | start = (uint8_t *)lsa->header + sizeof(struct ospf6_lsa_header); |
84 | end = (uint8_t *)lsa->header + ntohs(lsa->header->length); | |
1e05838a | 85 | |
77a2f8e5 DA |
86 | #if CONFDATE > 20230131 |
87 | CPP_NOTICE("Remove JSON object commands with keys starting with capital") | |
88 | #endif | |
89 | if (use_json) { | |
e4bacbaa | 90 | json_object_string_add(json_obj, "LsaType", "unknown"); |
77a2f8e5 DA |
91 | json_object_string_add(json_obj, "lsaType", "unknown"); |
92 | } else { | |
e4bacbaa YR |
93 | vty_out(vty, " Unknown contents:\n"); |
94 | for (current = start; current < end; current++) { | |
95 | if ((current - start) % 16 == 0) | |
96 | vty_out(vty, "\n "); | |
97 | else if ((current - start) % 4 == 0) | |
98 | vty_out(vty, " "); | |
99 | ||
6ddb368d | 100 | vty_out(vty, "%02x", *current); |
e4bacbaa | 101 | } |
718e3744 | 102 | |
e4bacbaa | 103 | vty_out(vty, "\n\n"); |
d62a17ae | 104 | } |
d62a17ae | 105 | return 0; |
1e05838a | 106 | } |
107 | ||
3981b5c7 VJ |
108 | static struct ospf6_lsa_handler unknown_handler = { |
109 | .lh_type = OSPF6_LSTYPE_UNKNOWN, | |
110 | .lh_name = "Unknown", | |
111 | .lh_short_name = "Unk", | |
112 | .lh_show = ospf6_unknown_lsa_show, | |
113 | .lh_get_prefix_str = NULL, | |
114 | .lh_debug = 0 /* No default debug */ | |
115 | }; | |
1e05838a | 116 | |
4062abfa | 117 | void ospf6_install_lsa_handler(struct ospf6_lsa_handler *handler) |
1e05838a | 118 | { |
d62a17ae | 119 | /* type in handler is host byte order */ |
067967b8 DL |
120 | unsigned int index = handler->lh_type & OSPF6_LSTYPE_FCODE_MASK; |
121 | ||
122 | assertf(index < array_size(lsa_handlers), "index=%x", index); | |
123 | assertf(lsa_handlers[index] == NULL, "old=%s, new=%s", | |
124 | lsa_handlers[index]->lh_name, handler->lh_name); | |
125 | ||
126 | lsa_handlers[index] = handler; | |
1e05838a | 127 | } |
128 | ||
4062abfa | 129 | struct ospf6_lsa_handler *ospf6_get_lsa_handler(uint16_t type) |
1e05838a | 130 | { |
4062abfa | 131 | struct ospf6_lsa_handler *handler = NULL; |
d62a17ae | 132 | unsigned int index = ntohs(type) & OSPF6_LSTYPE_FCODE_MASK; |
1e05838a | 133 | |
067967b8 DL |
134 | if (index < array_size(lsa_handlers)) |
135 | handler = lsa_handlers[index]; | |
1e05838a | 136 | |
d62a17ae | 137 | if (handler == NULL) |
138 | handler = &unknown_handler; | |
2680aa2b | 139 | |
d62a17ae | 140 | return handler; |
1e05838a | 141 | } |
718e3744 | 142 | |
d7c0a89a | 143 | const char *ospf6_lstype_name(uint16_t type) |
508e53e2 | 144 | { |
d62a17ae | 145 | static char buf[8]; |
3981b5c7 | 146 | const struct ospf6_lsa_handler *handler; |
508e53e2 | 147 | |
d62a17ae | 148 | handler = ospf6_get_lsa_handler(type); |
149 | if (handler && handler != &unknown_handler) | |
3981b5c7 | 150 | return handler->lh_name; |
718e3744 | 151 | |
d62a17ae | 152 | snprintf(buf, sizeof(buf), "0x%04hx", ntohs(type)); |
153 | return buf; | |
718e3744 | 154 | } |
155 | ||
d7c0a89a | 156 | const char *ospf6_lstype_short_name(uint16_t type) |
e68a6767 | 157 | { |
d62a17ae | 158 | static char buf[8]; |
3981b5c7 | 159 | const struct ospf6_lsa_handler *handler; |
e68a6767 | 160 | |
d62a17ae | 161 | handler = ospf6_get_lsa_handler(type); |
3e67830c | 162 | if (handler) |
3981b5c7 | 163 | return handler->lh_short_name; |
e68a6767 | 164 | |
d62a17ae | 165 | snprintf(buf, sizeof(buf), "0x%04hx", ntohs(type)); |
166 | return buf; | |
e68a6767 DD |
167 | } |
168 | ||
d7c0a89a | 169 | uint8_t ospf6_lstype_debug(uint16_t type) |
1e05838a | 170 | { |
3981b5c7 | 171 | const struct ospf6_lsa_handler *handler; |
d62a17ae | 172 | handler = ospf6_get_lsa_handler(type); |
01db90cd | 173 | return handler->lh_debug; |
1e05838a | 174 | } |
175 | ||
c4122b55 YR |
176 | int metric_type(struct ospf6 *ospf6, int type, uint8_t instance) |
177 | { | |
178 | struct ospf6_redist *red; | |
179 | ||
180 | red = ospf6_redist_lookup(ospf6, type, instance); | |
181 | ||
182 | return ((!red || red->dmetric.type < 0) ? DEFAULT_METRIC_TYPE | |
183 | : red->dmetric.type); | |
184 | } | |
185 | ||
186 | int metric_value(struct ospf6 *ospf6, int type, uint8_t instance) | |
187 | { | |
188 | struct ospf6_redist *red; | |
189 | ||
190 | red = ospf6_redist_lookup(ospf6, type, instance); | |
191 | if (!red || red->dmetric.value < 0) { | |
192 | if (type == DEFAULT_ROUTE) { | |
193 | if (ospf6->default_originate == DEFAULT_ORIGINATE_ZEBRA) | |
194 | return DEFAULT_DEFAULT_ORIGINATE_METRIC; | |
195 | else | |
196 | return DEFAULT_DEFAULT_ALWAYS_METRIC; | |
197 | } else | |
198 | return DEFAULT_DEFAULT_METRIC; | |
199 | } | |
200 | ||
201 | return red->dmetric.value; | |
202 | } | |
203 | ||
718e3744 | 204 | /* RFC2328: Section 13.2 */ |
d62a17ae | 205 | int ospf6_lsa_is_differ(struct ospf6_lsa *lsa1, struct ospf6_lsa *lsa2) |
718e3744 | 206 | { |
d62a17ae | 207 | int len; |
718e3744 | 208 | |
d62a17ae | 209 | assert(OSPF6_LSA_IS_SAME(lsa1, lsa2)); |
718e3744 | 210 | |
d62a17ae | 211 | /* XXX, Options ??? */ |
718e3744 | 212 | |
d62a17ae | 213 | ospf6_lsa_age_current(lsa1); |
214 | ospf6_lsa_age_current(lsa2); | |
215 | if (ntohs(lsa1->header->age) == OSPF_LSA_MAXAGE | |
216 | && ntohs(lsa2->header->age) != OSPF_LSA_MAXAGE) | |
217 | return 1; | |
218 | if (ntohs(lsa1->header->age) != OSPF_LSA_MAXAGE | |
219 | && ntohs(lsa2->header->age) == OSPF_LSA_MAXAGE) | |
220 | return 1; | |
718e3744 | 221 | |
d62a17ae | 222 | /* compare body */ |
223 | if (ntohs(lsa1->header->length) != ntohs(lsa2->header->length)) | |
224 | return 1; | |
718e3744 | 225 | |
d62a17ae | 226 | len = ntohs(lsa1->header->length) - sizeof(struct ospf6_lsa_header); |
227 | return memcmp(lsa1->header + 1, lsa2->header + 1, len); | |
718e3744 | 228 | } |
229 | ||
d62a17ae | 230 | int ospf6_lsa_is_changed(struct ospf6_lsa *lsa1, struct ospf6_lsa *lsa2) |
718e3744 | 231 | { |
d62a17ae | 232 | int length; |
718e3744 | 233 | |
d62a17ae | 234 | if (OSPF6_LSA_IS_MAXAGE(lsa1) ^ OSPF6_LSA_IS_MAXAGE(lsa2)) |
235 | return 1; | |
236 | if (ntohs(lsa1->header->length) != ntohs(lsa2->header->length)) | |
237 | return 1; | |
238 | /* Going beyond LSA headers to compare the payload only makes sense, | |
239 | * when both LSAs aren't header-only. */ | |
240 | if (CHECK_FLAG(lsa1->flag, OSPF6_LSA_HEADERONLY) | |
241 | != CHECK_FLAG(lsa2->flag, OSPF6_LSA_HEADERONLY)) { | |
242 | zlog_warn( | |
243 | "%s: only one of two (%s, %s) LSAs compared is header-only", | |
244 | __func__, lsa1->name, lsa2->name); | |
245 | return 1; | |
246 | } | |
247 | if (CHECK_FLAG(lsa1->flag, OSPF6_LSA_HEADERONLY)) | |
248 | return 0; | |
718e3744 | 249 | |
d62a17ae | 250 | length = OSPF6_LSA_SIZE(lsa1->header) - sizeof(struct ospf6_lsa_header); |
251 | /* Once upper layer verifies LSAs received, length underrun should | |
252 | * become a warning. */ | |
253 | if (length <= 0) | |
254 | return 0; | |
718e3744 | 255 | |
d62a17ae | 256 | return memcmp(OSPF6_LSA_HEADER_END(lsa1->header), |
257 | OSPF6_LSA_HEADER_END(lsa2->header), length); | |
718e3744 | 258 | } |
259 | ||
260 | /* ospf6 age functions */ | |
3b68735f | 261 | /* calculate birth */ |
da086a3b | 262 | void ospf6_lsa_age_set(struct ospf6_lsa *lsa) |
718e3744 | 263 | { |
d62a17ae | 264 | struct timeval now; |
718e3744 | 265 | |
d62a17ae | 266 | assert(lsa && lsa->header); |
718e3744 | 267 | |
d62a17ae | 268 | monotime(&now); |
718e3744 | 269 | |
d62a17ae | 270 | lsa->birth.tv_sec = now.tv_sec - ntohs(lsa->header->age); |
271 | lsa->birth.tv_usec = now.tv_usec; | |
3b68735f | 272 | |
d62a17ae | 273 | return; |
718e3744 | 274 | } |
275 | ||
276 | /* this function calculates current age from its birth, | |
277 | then update age field of LSA header. return value is current age */ | |
d7c0a89a | 278 | uint16_t ospf6_lsa_age_current(struct ospf6_lsa *lsa) |
718e3744 | 279 | { |
d62a17ae | 280 | struct timeval now; |
d7c0a89a QY |
281 | uint32_t ulage; |
282 | uint16_t age; | |
718e3744 | 283 | |
d62a17ae | 284 | assert(lsa); |
285 | assert(lsa->header); | |
718e3744 | 286 | |
d62a17ae | 287 | /* current time */ |
288 | monotime(&now); | |
718e3744 | 289 | |
d62a17ae | 290 | if (ntohs(lsa->header->age) >= OSPF_LSA_MAXAGE) { |
291 | /* ospf6_lsa_premature_aging () sets age to MAXAGE; when using | |
292 | relative time, we cannot compare against lsa birth time, so | |
293 | we catch this special case here. */ | |
294 | lsa->header->age = htons(OSPF_LSA_MAXAGE); | |
295 | return OSPF_LSA_MAXAGE; | |
296 | } | |
297 | /* calculate age */ | |
298 | ulage = now.tv_sec - lsa->birth.tv_sec; | |
718e3744 | 299 | |
d62a17ae | 300 | /* if over MAXAGE, set to it */ |
301 | age = (ulage > OSPF_LSA_MAXAGE ? OSPF_LSA_MAXAGE : ulage); | |
718e3744 | 302 | |
d62a17ae | 303 | lsa->header->age = htons(age); |
304 | return age; | |
718e3744 | 305 | } |
306 | ||
307 | /* update age field of LSA header with adding InfTransDelay */ | |
d7c0a89a | 308 | void ospf6_lsa_age_update_to_send(struct ospf6_lsa *lsa, uint32_t transdelay) |
d62a17ae | 309 | { |
310 | unsigned short age; | |
311 | ||
312 | age = ospf6_lsa_age_current(lsa) + transdelay; | |
313 | if (age > OSPF_LSA_MAXAGE) | |
314 | age = OSPF_LSA_MAXAGE; | |
315 | lsa->header->age = htons(age); | |
316 | } | |
317 | ||
318 | void ospf6_lsa_premature_aging(struct ospf6_lsa *lsa) | |
319 | { | |
320 | /* log */ | |
321 | if (IS_OSPF6_DEBUG_LSA_TYPE(lsa->header->type)) | |
322 | zlog_debug("LSA: Premature aging: %s", lsa->name); | |
323 | ||
324 | THREAD_OFF(lsa->expire); | |
325 | THREAD_OFF(lsa->refresh); | |
326 | ||
327 | /* | |
328 | * We clear the LSA from the neighbor retx lists now because it | |
329 | * will not get deleted later. Essentially, changing the age to | |
330 | * MaxAge will prevent this LSA from being matched with its | |
331 | * existing entries in the retx list thereby causing those entries | |
332 | * to be silently replaced with its MaxAged version, but with ever | |
333 | * increasing retx count causing this LSA to remain forever and | |
334 | * for the MaxAge remover thread to be called forever too. | |
335 | * | |
336 | * The reason the previous entry silently disappears is that when | |
337 | * entry is added to a neighbor's retx list, it replaces the existing | |
338 | * entry. But since the ospf6_lsdb_add() routine is generic and not | |
339 | * aware | |
340 | * of the special semantics of retx count, the retx count is not | |
341 | * decremented when its replaced. Attempting to add the incr and decr | |
342 | * retx count routines as the hook_add and hook_remove for the retx | |
343 | * lists | |
344 | * have a problem because the hook_remove routine is called for MaxAge | |
345 | * entries (as will be the case in a traditional LSDB, unlike in this | |
346 | * case | |
347 | * where an LSDB is used as an efficient tree structure to store all | |
348 | * kinds | |
349 | * of data) that are added instead of calling the hook_add routine. | |
350 | */ | |
351 | ||
352 | ospf6_flood_clear(lsa); | |
353 | ||
354 | lsa->header->age = htons(OSPF_LSA_MAXAGE); | |
355 | thread_execute(master, ospf6_lsa_expire, lsa, 0); | |
718e3744 | 356 | } |
357 | ||
358 | /* check which is more recent. if a is more recent, return -1; | |
359 | if the same, return 0; otherwise(b is more recent), return 1 */ | |
d62a17ae | 360 | int ospf6_lsa_compare(struct ospf6_lsa *a, struct ospf6_lsa *b) |
718e3744 | 361 | { |
d62a17ae | 362 | int32_t seqnuma, seqnumb; |
d7c0a89a QY |
363 | uint16_t cksuma, cksumb; |
364 | uint16_t agea, ageb; | |
d62a17ae | 365 | |
366 | assert(a && a->header); | |
367 | assert(b && b->header); | |
368 | assert(OSPF6_LSA_IS_SAME(a, b)); | |
718e3744 | 369 | |
d62a17ae | 370 | seqnuma = (int32_t)ntohl(a->header->seqnum); |
371 | seqnumb = (int32_t)ntohl(b->header->seqnum); | |
718e3744 | 372 | |
d62a17ae | 373 | /* compare by sequence number */ |
374 | if (seqnuma > seqnumb) | |
375 | return -1; | |
376 | if (seqnuma < seqnumb) | |
377 | return 1; | |
378 | ||
379 | /* Checksum */ | |
380 | cksuma = ntohs(a->header->checksum); | |
381 | cksumb = ntohs(b->header->checksum); | |
382 | if (cksuma > cksumb) | |
383 | return -1; | |
384 | if (cksuma < cksumb) | |
385 | return 0; | |
386 | ||
387 | /* Update Age */ | |
388 | agea = ospf6_lsa_age_current(a); | |
389 | ageb = ospf6_lsa_age_current(b); | |
390 | ||
391 | /* MaxAge check */ | |
392 | if (agea == OSPF_LSA_MAXAGE && ageb != OSPF_LSA_MAXAGE) | |
393 | return -1; | |
394 | else if (agea != OSPF_LSA_MAXAGE && ageb == OSPF_LSA_MAXAGE) | |
395 | return 1; | |
396 | ||
397 | /* Age check */ | |
398 | if (agea > ageb && agea - ageb >= OSPF_LSA_MAXAGE_DIFF) | |
399 | return 1; | |
400 | else if (agea < ageb && ageb - agea >= OSPF_LSA_MAXAGE_DIFF) | |
401 | return -1; | |
402 | ||
403 | /* neither recent */ | |
404 | return 0; | |
405 | } | |
406 | ||
407 | char *ospf6_lsa_printbuf(struct ospf6_lsa *lsa, char *buf, int size) | |
408 | { | |
409 | char id[16], adv_router[16]; | |
410 | inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id)); | |
411 | inet_ntop(AF_INET, &lsa->header->adv_router, adv_router, | |
412 | sizeof(adv_router)); | |
413 | snprintf(buf, size, "[%s Id:%s Adv:%s]", | |
414 | ospf6_lstype_name(lsa->header->type), id, adv_router); | |
415 | return buf; | |
416 | } | |
417 | ||
418 | void ospf6_lsa_header_print_raw(struct ospf6_lsa_header *header) | |
419 | { | |
420 | char id[16], adv_router[16]; | |
421 | inet_ntop(AF_INET, &header->id, id, sizeof(id)); | |
422 | inet_ntop(AF_INET, &header->adv_router, adv_router, sizeof(adv_router)); | |
423 | zlog_debug(" [%s Id:%s Adv:%s]", ospf6_lstype_name(header->type), id, | |
424 | adv_router); | |
425 | zlog_debug(" Age: %4hu SeqNum: %#08lx Cksum: %04hx Len: %d", | |
d7c0a89a | 426 | ntohs(header->age), (unsigned long)ntohl(header->seqnum), |
d62a17ae | 427 | ntohs(header->checksum), ntohs(header->length)); |
428 | } | |
429 | ||
430 | void ospf6_lsa_header_print(struct ospf6_lsa *lsa) | |
431 | { | |
432 | ospf6_lsa_age_current(lsa); | |
433 | ospf6_lsa_header_print_raw(lsa->header); | |
434 | } | |
435 | ||
436 | void ospf6_lsa_show_summary_header(struct vty *vty) | |
437 | { | |
438 | vty_out(vty, "%-4s %-15s%-15s%4s %8s %30s\n", "Type", "LSId", | |
439 | "AdvRouter", "Age", "SeqNum", "Payload"); | |
440 | } | |
441 | ||
e4bacbaa YR |
442 | void ospf6_lsa_show_summary(struct vty *vty, struct ospf6_lsa *lsa, |
443 | json_object *json_array, bool use_json) | |
d62a17ae | 444 | { |
445 | char adv_router[16], id[16]; | |
446 | int type; | |
3981b5c7 | 447 | const struct ospf6_lsa_handler *handler; |
e4bacbaa | 448 | char buf[64]; |
d62a17ae | 449 | int cnt = 0; |
e4bacbaa | 450 | json_object *json_obj = NULL; |
d62a17ae | 451 | |
452 | assert(lsa); | |
453 | assert(lsa->header); | |
454 | ||
455 | inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id)); | |
456 | inet_ntop(AF_INET, &lsa->header->adv_router, adv_router, | |
457 | sizeof(adv_router)); | |
458 | ||
459 | type = ntohs(lsa->header->type); | |
460 | handler = ospf6_get_lsa_handler(lsa->header->type); | |
e4bacbaa YR |
461 | |
462 | if (use_json) | |
463 | json_obj = json_object_new_object(); | |
464 | ||
3e67830c | 465 | switch (type) { |
466 | case OSPF6_LSTYPE_INTER_PREFIX: | |
467 | case OSPF6_LSTYPE_INTER_ROUTER: | |
468 | case OSPF6_LSTYPE_AS_EXTERNAL: | |
ad500b22 | 469 | case OSPF6_LSTYPE_TYPE_7: |
e4bacbaa YR |
470 | if (use_json) { |
471 | json_object_string_add( | |
472 | json_obj, "type", | |
473 | ospf6_lstype_short_name(lsa->header->type)); | |
474 | json_object_string_add(json_obj, "lsId", id); | |
475 | json_object_string_add(json_obj, "advRouter", | |
476 | adv_router); | |
477 | json_object_int_add(json_obj, "age", | |
478 | ospf6_lsa_age_current(lsa)); | |
479 | json_object_int_add( | |
480 | json_obj, "seqNum", | |
481 | (unsigned long)ntohl(lsa->header->seqnum)); | |
482 | json_object_string_add( | |
483 | json_obj, "payload", | |
484 | handler->lh_get_prefix_str(lsa, buf, | |
485 | sizeof(buf), 0)); | |
486 | json_object_array_add(json_array, json_obj); | |
487 | } else | |
488 | vty_out(vty, "%-4s %-15s%-15s%4hu %8lx %30s\n", | |
489 | ospf6_lstype_short_name(lsa->header->type), id, | |
490 | adv_router, ospf6_lsa_age_current(lsa), | |
491 | (unsigned long)ntohl(lsa->header->seqnum), | |
492 | handler->lh_get_prefix_str(lsa, buf, | |
493 | sizeof(buf), 0)); | |
3e67830c | 494 | break; |
495 | case OSPF6_LSTYPE_ROUTER: | |
496 | case OSPF6_LSTYPE_NETWORK: | |
497 | case OSPF6_LSTYPE_GROUP_MEMBERSHIP: | |
3e67830c | 498 | case OSPF6_LSTYPE_LINK: |
499 | case OSPF6_LSTYPE_INTRA_PREFIX: | |
3981b5c7 | 500 | while (handler->lh_get_prefix_str(lsa, buf, sizeof(buf), cnt) |
d62a17ae | 501 | != NULL) { |
e4bacbaa YR |
502 | if (use_json) { |
503 | json_object_string_add( | |
504 | json_obj, "type", | |
505 | ospf6_lstype_short_name( | |
506 | lsa->header->type)); | |
507 | json_object_string_add(json_obj, "lsId", id); | |
508 | json_object_string_add(json_obj, "advRouter", | |
509 | adv_router); | |
510 | json_object_int_add(json_obj, "age", | |
511 | ospf6_lsa_age_current(lsa)); | |
512 | json_object_int_add( | |
513 | json_obj, "seqNum", | |
514 | (unsigned long)ntohl( | |
515 | lsa->header->seqnum)); | |
516 | json_object_string_add(json_obj, "payload", | |
517 | buf); | |
518 | json_object_array_add(json_array, json_obj); | |
519 | json_obj = json_object_new_object(); | |
520 | } else | |
521 | vty_out(vty, "%-4s %-15s%-15s%4hu %8lx %30s\n", | |
522 | ospf6_lstype_short_name( | |
523 | lsa->header->type), | |
524 | id, adv_router, | |
525 | ospf6_lsa_age_current(lsa), | |
526 | (unsigned long)ntohl( | |
527 | lsa->header->seqnum), | |
528 | buf); | |
d62a17ae | 529 | cnt++; |
530 | } | |
e4bacbaa YR |
531 | if (use_json) |
532 | json_object_free(json_obj); | |
3e67830c | 533 | break; |
534 | default: | |
e4bacbaa YR |
535 | if (use_json) { |
536 | json_object_string_add( | |
537 | json_obj, "type", | |
538 | ospf6_lstype_short_name(lsa->header->type)); | |
539 | json_object_string_add(json_obj, "lsId", id); | |
540 | json_object_string_add(json_obj, "advRouter", | |
541 | adv_router); | |
542 | json_object_int_add(json_obj, "age", | |
543 | ospf6_lsa_age_current(lsa)); | |
544 | json_object_int_add( | |
545 | json_obj, "seqNum", | |
546 | (unsigned long)ntohl(lsa->header->seqnum)); | |
547 | json_object_array_add(json_array, json_obj); | |
548 | } else | |
549 | vty_out(vty, "%-4s %-15s%-15s%4hu %8lx\n", | |
550 | ospf6_lstype_short_name(lsa->header->type), id, | |
551 | adv_router, ospf6_lsa_age_current(lsa), | |
552 | (unsigned long)ntohl(lsa->header->seqnum)); | |
3e67830c | 553 | break; |
e68a6767 | 554 | } |
d62a17ae | 555 | } |
556 | ||
e4bacbaa YR |
557 | void ospf6_lsa_show_dump(struct vty *vty, struct ospf6_lsa *lsa, |
558 | json_object *json_array, bool use_json) | |
d62a17ae | 559 | { |
6ddb368d QY |
560 | uint8_t *start = NULL; |
561 | uint8_t *end = NULL; | |
562 | uint8_t *current = NULL; | |
d62a17ae | 563 | char byte[4]; |
6ddb368d QY |
564 | char *header_str = NULL; |
565 | char adv_router[INET6_ADDRSTRLEN]; | |
566 | char id[INET6_ADDRSTRLEN]; | |
567 | json_object *json = NULL; | |
d62a17ae | 568 | |
d7c0a89a QY |
569 | start = (uint8_t *)lsa->header; |
570 | end = (uint8_t *)lsa->header + ntohs(lsa->header->length); | |
d62a17ae | 571 | |
6ddb368d QY |
572 | if (use_json) { |
573 | json = json_object_new_object(); | |
574 | size_t header_str_sz = (2 * (end - start)) + 1; | |
e4bacbaa | 575 | |
6ddb368d | 576 | header_str = XMALLOC(MTYPE_TMP, header_str_sz); |
d62a17ae | 577 | |
6ddb368d QY |
578 | inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id)); |
579 | inet_ntop(AF_INET, &lsa->header->adv_router, adv_router, | |
580 | sizeof(adv_router)); | |
d62a17ae | 581 | |
6ddb368d QY |
582 | frrstr_hex(header_str, header_str_sz, start, end - start); |
583 | ||
584 | json_object_string_add(json, "linkStateId", id); | |
585 | json_object_string_add(json, "advertisingRouter", adv_router); | |
586 | json_object_string_add(json, "header", header_str); | |
587 | json_object_array_add(json_array, json); | |
588 | ||
589 | XFREE(MTYPE_TMP, header_str); | |
590 | } else { | |
591 | vty_out(vty, "\n%s:\n", lsa->name); | |
592 | ||
593 | for (current = start; current < end; current++) { | |
594 | if ((current - start) % 16 == 0) | |
595 | vty_out(vty, "\n "); | |
596 | else if ((current - start) % 4 == 0) | |
597 | vty_out(vty, " "); | |
598 | ||
599 | snprintf(byte, sizeof(byte), "%02x", *current); | |
600 | vty_out(vty, "%s", byte); | |
601 | } | |
d62a17ae | 602 | |
6ddb368d QY |
603 | vty_out(vty, "\n\n"); |
604 | } | |
e4bacbaa | 605 | |
d62a17ae | 606 | return; |
607 | } | |
608 | ||
e4bacbaa YR |
609 | void ospf6_lsa_show_internal(struct vty *vty, struct ospf6_lsa *lsa, |
610 | json_object *json_array, bool use_json) | |
d62a17ae | 611 | { |
612 | char adv_router[64], id[64]; | |
e4bacbaa | 613 | json_object *json_obj; |
d62a17ae | 614 | |
615 | assert(lsa && lsa->header); | |
616 | ||
617 | inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id)); | |
618 | inet_ntop(AF_INET, &lsa->header->adv_router, adv_router, | |
619 | sizeof(adv_router)); | |
620 | ||
e4bacbaa YR |
621 | if (use_json) { |
622 | json_obj = json_object_new_object(); | |
623 | json_object_int_add(json_obj, "age", | |
624 | ospf6_lsa_age_current(lsa)); | |
625 | json_object_string_add(json_obj, "type", | |
626 | ospf6_lstype_name(lsa->header->type)); | |
627 | json_object_string_add(json_obj, "linkStateId", id); | |
628 | json_object_string_add(json_obj, "advertisingRouter", | |
629 | adv_router); | |
630 | json_object_int_add(json_obj, "lsSequenceNumber", | |
631 | (unsigned long)ntohl(lsa->header->seqnum)); | |
632 | json_object_int_add(json_obj, "checksum", | |
633 | ntohs(lsa->header->checksum)); | |
634 | json_object_int_add(json_obj, "length", | |
635 | ntohs(lsa->header->length)); | |
636 | json_object_int_add(json_obj, "flag", lsa->flag); | |
637 | json_object_int_add(json_obj, "lock", lsa->lock); | |
638 | json_object_int_add(json_obj, "reTxCount", lsa->retrans_count); | |
639 | ||
640 | /* Threads Data not added */ | |
641 | json_object_array_add(json_array, json_obj); | |
642 | } else { | |
643 | vty_out(vty, "\n"); | |
644 | vty_out(vty, "Age: %4hu Type: %s\n", ospf6_lsa_age_current(lsa), | |
645 | ospf6_lstype_name(lsa->header->type)); | |
646 | vty_out(vty, "Link State ID: %s\n", id); | |
647 | vty_out(vty, "Advertising Router: %s\n", adv_router); | |
648 | vty_out(vty, "LS Sequence Number: %#010lx\n", | |
649 | (unsigned long)ntohl(lsa->header->seqnum)); | |
650 | vty_out(vty, "CheckSum: %#06hx Length: %hu\n", | |
651 | ntohs(lsa->header->checksum), | |
652 | ntohs(lsa->header->length)); | |
653 | vty_out(vty, "Flag: %x \n", lsa->flag); | |
654 | vty_out(vty, "Lock: %d \n", lsa->lock); | |
655 | vty_out(vty, "ReTx Count: %d\n", lsa->retrans_count); | |
461d106d RW |
656 | vty_out(vty, "Threads: Expire: %p, Refresh: %p\n", lsa->expire, |
657 | lsa->refresh); | |
e4bacbaa YR |
658 | vty_out(vty, "\n"); |
659 | } | |
d62a17ae | 660 | return; |
661 | } | |
662 | ||
e4bacbaa YR |
663 | void ospf6_lsa_show(struct vty *vty, struct ospf6_lsa *lsa, |
664 | json_object *json_array, bool use_json) | |
d62a17ae | 665 | { |
666 | char adv_router[64], id[64]; | |
3981b5c7 | 667 | const struct ospf6_lsa_handler *handler; |
d62a17ae | 668 | struct timeval now, res; |
68bfcc05 | 669 | char duration[64]; |
e4bacbaa | 670 | json_object *json_obj = NULL; |
d62a17ae | 671 | |
672 | assert(lsa && lsa->header); | |
673 | ||
674 | inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id)); | |
675 | inet_ntop(AF_INET, &lsa->header->adv_router, adv_router, | |
676 | sizeof(adv_router)); | |
677 | ||
678 | monotime(&now); | |
679 | timersub(&now, &lsa->installed, &res); | |
680 | timerstring(&res, duration, sizeof(duration)); | |
e4bacbaa YR |
681 | if (use_json) { |
682 | json_obj = json_object_new_object(); | |
683 | json_object_int_add(json_obj, "age", | |
684 | ospf6_lsa_age_current(lsa)); | |
685 | json_object_string_add(json_obj, "type", | |
686 | ospf6_lstype_name(lsa->header->type)); | |
2804f2d2 | 687 | json_object_string_add(json_obj, "linkStateId", id); |
e4bacbaa YR |
688 | json_object_string_add(json_obj, "advertisingRouter", |
689 | adv_router); | |
690 | json_object_int_add(json_obj, "lsSequenceNumber", | |
691 | (unsigned long)ntohl(lsa->header->seqnum)); | |
d6265808 | 692 | json_object_int_add(json_obj, "checksum", |
e4bacbaa YR |
693 | ntohs(lsa->header->checksum)); |
694 | json_object_int_add(json_obj, "length", | |
695 | ntohs(lsa->header->length)); | |
696 | json_object_string_add(json_obj, "duration", duration); | |
697 | } else { | |
698 | vty_out(vty, "Age: %4hu Type: %s\n", ospf6_lsa_age_current(lsa), | |
699 | ospf6_lstype_name(lsa->header->type)); | |
700 | vty_out(vty, "Link State ID: %s\n", id); | |
701 | vty_out(vty, "Advertising Router: %s\n", adv_router); | |
702 | vty_out(vty, "LS Sequence Number: %#010lx\n", | |
703 | (unsigned long)ntohl(lsa->header->seqnum)); | |
704 | vty_out(vty, "CheckSum: %#06hx Length: %hu\n", | |
705 | ntohs(lsa->header->checksum), | |
706 | ntohs(lsa->header->length)); | |
707 | vty_out(vty, "Duration: %s\n", duration); | |
708 | } | |
d62a17ae | 709 | |
710 | handler = ospf6_get_lsa_handler(lsa->header->type); | |
3981b5c7 VJ |
711 | |
712 | if (handler->lh_show != NULL) | |
e4bacbaa | 713 | handler->lh_show(vty, lsa, json_obj, use_json); |
3981b5c7 VJ |
714 | else { |
715 | assert(unknown_handler.lh_show != NULL); | |
e4bacbaa | 716 | unknown_handler.lh_show(vty, lsa, json_obj, use_json); |
3981b5c7 | 717 | } |
d62a17ae | 718 | |
e4bacbaa YR |
719 | if (use_json) |
720 | json_object_array_add(json_array, json_obj); | |
721 | else | |
722 | vty_out(vty, "\n"); | |
6452df09 | 723 | } |
724 | ||
771e1fbe DL |
725 | struct ospf6_lsa *ospf6_lsa_alloc(size_t lsa_length) |
726 | { | |
30043e4c DL |
727 | struct ospf6_lsa *lsa; |
728 | ||
771e1fbe DL |
729 | lsa = XCALLOC(MTYPE_OSPF6_LSA, sizeof(struct ospf6_lsa)); |
730 | lsa->header = XMALLOC(MTYPE_OSPF6_LSA_HEADER, lsa_length); | |
731 | ||
732 | return lsa; | |
733 | } | |
734 | ||
6452df09 | 735 | /* OSPFv3 LSA creation/deletion function */ |
d62a17ae | 736 | struct ospf6_lsa *ospf6_lsa_create(struct ospf6_lsa_header *header) |
718e3744 | 737 | { |
d62a17ae | 738 | struct ospf6_lsa *lsa = NULL; |
d7c0a89a | 739 | uint16_t lsa_size = 0; |
718e3744 | 740 | |
d62a17ae | 741 | /* size of the entire LSA */ |
742 | lsa_size = ntohs(header->length); /* XXX vulnerable */ | |
718e3744 | 743 | |
771e1fbe | 744 | lsa = ospf6_lsa_alloc(lsa_size); |
718e3744 | 745 | |
d62a17ae | 746 | /* copy LSA from original header */ |
771e1fbe | 747 | memcpy(lsa->header, header, lsa_size); |
718e3744 | 748 | |
d62a17ae | 749 | /* dump string */ |
750 | ospf6_lsa_printbuf(lsa, lsa->name, sizeof(lsa->name)); | |
718e3744 | 751 | |
d62a17ae | 752 | /* calculate birth of this lsa */ |
753 | ospf6_lsa_age_set(lsa); | |
718e3744 | 754 | |
d62a17ae | 755 | return lsa; |
718e3744 | 756 | } |
757 | ||
d62a17ae | 758 | struct ospf6_lsa *ospf6_lsa_create_headeronly(struct ospf6_lsa_header *header) |
718e3744 | 759 | { |
d62a17ae | 760 | struct ospf6_lsa *lsa = NULL; |
718e3744 | 761 | |
771e1fbe | 762 | lsa = ospf6_lsa_alloc(sizeof(struct ospf6_lsa_header)); |
718e3744 | 763 | |
771e1fbe | 764 | memcpy(lsa->header, header, sizeof(struct ospf6_lsa_header)); |
718e3744 | 765 | |
d62a17ae | 766 | SET_FLAG(lsa->flag, OSPF6_LSA_HEADERONLY); |
718e3744 | 767 | |
d62a17ae | 768 | /* dump string */ |
769 | ospf6_lsa_printbuf(lsa, lsa->name, sizeof(lsa->name)); | |
718e3744 | 770 | |
d62a17ae | 771 | /* calculate birth of this lsa */ |
772 | ospf6_lsa_age_set(lsa); | |
718e3744 | 773 | |
d62a17ae | 774 | return lsa; |
718e3744 | 775 | } |
776 | ||
d62a17ae | 777 | void ospf6_lsa_delete(struct ospf6_lsa *lsa) |
718e3744 | 778 | { |
d62a17ae | 779 | assert(lsa->lock == 0); |
718e3744 | 780 | |
d62a17ae | 781 | /* cancel threads */ |
782 | THREAD_OFF(lsa->expire); | |
783 | THREAD_OFF(lsa->refresh); | |
718e3744 | 784 | |
d62a17ae | 785 | /* do free */ |
d107621d | 786 | XFREE(MTYPE_OSPF6_LSA_HEADER, lsa->header); |
d62a17ae | 787 | XFREE(MTYPE_OSPF6_LSA, lsa); |
508e53e2 | 788 | } |
718e3744 | 789 | |
d62a17ae | 790 | struct ospf6_lsa *ospf6_lsa_copy(struct ospf6_lsa *lsa) |
508e53e2 | 791 | { |
d62a17ae | 792 | struct ospf6_lsa *copy = NULL; |
508e53e2 | 793 | |
d62a17ae | 794 | ospf6_lsa_age_current(lsa); |
795 | if (CHECK_FLAG(lsa->flag, OSPF6_LSA_HEADERONLY)) | |
796 | copy = ospf6_lsa_create_headeronly(lsa->header); | |
797 | else | |
798 | copy = ospf6_lsa_create(lsa->header); | |
799 | assert(copy->lock == 0); | |
508e53e2 | 800 | |
d62a17ae | 801 | copy->birth = lsa->birth; |
802 | copy->originated = lsa->originated; | |
803 | copy->received = lsa->received; | |
804 | copy->installed = lsa->installed; | |
805 | copy->lsdb = lsa->lsdb; | |
806 | copy->rn = NULL; | |
508e53e2 | 807 | |
d62a17ae | 808 | return copy; |
718e3744 | 809 | } |
810 | ||
508e53e2 | 811 | /* increment reference counter of struct ospf6_lsa */ |
62270cc3 | 812 | struct ospf6_lsa *ospf6_lsa_lock(struct ospf6_lsa *lsa) |
718e3744 | 813 | { |
d62a17ae | 814 | lsa->lock++; |
62270cc3 | 815 | return lsa; |
718e3744 | 816 | } |
817 | ||
508e53e2 | 818 | /* decrement reference counter of struct ospf6_lsa */ |
744ba569 | 819 | struct ospf6_lsa *ospf6_lsa_unlock(struct ospf6_lsa *lsa) |
718e3744 | 820 | { |
d62a17ae | 821 | /* decrement reference counter */ |
822 | assert(lsa->lock > 0); | |
823 | lsa->lock--; | |
718e3744 | 824 | |
d62a17ae | 825 | if (lsa->lock != 0) |
744ba569 | 826 | return lsa; |
508e53e2 | 827 | |
d62a17ae | 828 | ospf6_lsa_delete(lsa); |
744ba569 | 829 | return NULL; |
718e3744 | 830 | } |
831 | ||
6b0655a2 | 832 | |
508e53e2 | 833 | /* ospf6 lsa expiry */ |
cc9f21da | 834 | void ospf6_lsa_expire(struct thread *thread) |
718e3744 | 835 | { |
d62a17ae | 836 | struct ospf6_lsa *lsa; |
beadc736 | 837 | struct ospf6 *ospf6; |
718e3744 | 838 | |
d62a17ae | 839 | lsa = (struct ospf6_lsa *)THREAD_ARG(thread); |
718e3744 | 840 | |
d62a17ae | 841 | assert(lsa && lsa->header); |
842 | assert(OSPF6_LSA_IS_MAXAGE(lsa)); | |
843 | assert(!lsa->refresh); | |
718e3744 | 844 | |
d62a17ae | 845 | lsa->expire = (struct thread *)NULL; |
718e3744 | 846 | |
d62a17ae | 847 | if (IS_OSPF6_DEBUG_LSA_TYPE(lsa->header->type)) { |
848 | zlog_debug("LSA Expire:"); | |
849 | ospf6_lsa_header_print(lsa); | |
850 | } | |
718e3744 | 851 | |
d62a17ae | 852 | if (CHECK_FLAG(lsa->flag, OSPF6_LSA_HEADERONLY)) |
cc9f21da | 853 | return; /* dbexchange will do something ... */ |
beadc736 | 854 | ospf6 = ospf6_get_by_lsdb(lsa); |
4dc43886 MR |
855 | assert(ospf6); |
856 | ||
d62a17ae | 857 | /* reinstall lsa */ |
858 | ospf6_install_lsa(lsa); | |
508e53e2 | 859 | |
d62a17ae | 860 | /* reflood lsa */ |
861 | ospf6_flood(NULL, lsa); | |
bf986da7 | 862 | |
d62a17ae | 863 | /* schedule maxage remover */ |
864 | ospf6_maxage_remove(ospf6); | |
718e3744 | 865 | } |
866 | ||
cc9f21da | 867 | void ospf6_lsa_refresh(struct thread *thread) |
718e3744 | 868 | { |
d62a17ae | 869 | struct ospf6_lsa *old, *self, *new; |
870 | struct ospf6_lsdb *lsdb_self; | |
6452df09 | 871 | |
d62a17ae | 872 | old = (struct ospf6_lsa *)THREAD_ARG(thread); |
873 | assert(old && old->header); | |
6452df09 | 874 | |
d62a17ae | 875 | old->refresh = (struct thread *)NULL; |
6452df09 | 876 | |
d62a17ae | 877 | lsdb_self = ospf6_get_scoped_lsdb_self(old); |
878 | self = ospf6_lsdb_lookup(old->header->type, old->header->id, | |
879 | old->header->adv_router, lsdb_self); | |
880 | if (self == NULL) { | |
881 | if (IS_OSPF6_DEBUG_LSA_TYPE(old->header->type)) | |
882 | zlog_debug("Refresh: could not find self LSA, flush %s", | |
883 | old->name); | |
884 | ospf6_lsa_premature_aging(old); | |
cc9f21da | 885 | return; |
d62a17ae | 886 | } |
718e3744 | 887 | |
d62a17ae | 888 | /* Reset age, increment LS sequence number. */ |
889 | self->header->age = htons(0); | |
890 | self->header->seqnum = | |
891 | ospf6_new_ls_seqnum(self->header->type, self->header->id, | |
892 | self->header->adv_router, old->lsdb); | |
893 | ospf6_lsa_checksum(self->header); | |
894 | ||
895 | new = ospf6_lsa_create(self->header); | |
896 | new->lsdb = old->lsdb; | |
d62a17ae | 897 | thread_add_timer(master, ospf6_lsa_refresh, new, OSPF_LS_REFRESH_TIME, |
898 | &new->refresh); | |
899 | ||
900 | /* store it in the LSDB for self-originated LSAs */ | |
901 | ospf6_lsdb_add(ospf6_lsa_copy(new), lsdb_self); | |
902 | ||
903 | if (IS_OSPF6_DEBUG_LSA_TYPE(new->header->type)) { | |
904 | zlog_debug("LSA Refresh:"); | |
905 | ospf6_lsa_header_print(new); | |
906 | } | |
718e3744 | 907 | |
d62a17ae | 908 | ospf6_install_lsa(new); |
909 | ospf6_flood(NULL, new); | |
718e3744 | 910 | } |
911 | ||
beadc736 | 912 | void ospf6_flush_self_originated_lsas_now(struct ospf6 *ospf6) |
76249532 | 913 | { |
e161c2dc | 914 | struct listnode *node, *nnode; |
76249532 CS |
915 | struct ospf6_area *oa; |
916 | struct ospf6_lsa *lsa; | |
917 | const struct route_node *end = NULL; | |
918 | uint32_t type, adv_router; | |
e161c2dc | 919 | struct ospf6_interface *oi; |
76249532 CS |
920 | |
921 | ospf6->inst_shutdown = 1; | |
922 | ||
923 | for (ALL_LIST_ELEMENTS_RO(ospf6->area_list, node, oa)) { | |
996c9314 LB |
924 | end = ospf6_lsdb_head(oa->lsdb_self, 0, 0, ospf6->router_id, |
925 | &lsa); | |
76249532 CS |
926 | while (lsa) { |
927 | /* RFC 2328 (14.1): Set MAXAGE */ | |
928 | lsa->header->age = htons(OSPF_LSA_MAXAGE); | |
929 | /* Flood MAXAGE LSA*/ | |
930 | ospf6_flood(NULL, lsa); | |
931 | ||
932 | lsa = ospf6_lsdb_next(end, lsa); | |
933 | } | |
e161c2dc YR |
934 | |
935 | for (ALL_LIST_ELEMENTS(oa->if_list, node, nnode, oi)) { | |
936 | end = ospf6_lsdb_head(oi->lsdb_self, 0, 0, | |
937 | ospf6->router_id, &lsa); | |
938 | while (lsa) { | |
939 | /* RFC 2328 (14.1): Set MAXAGE */ | |
940 | lsa->header->age = htons(OSPF_LSA_MAXAGE); | |
941 | /* Flood MAXAGE LSA*/ | |
942 | ospf6_flood(NULL, lsa); | |
943 | ||
944 | lsa = ospf6_lsdb_next(end, lsa); | |
945 | } | |
946 | } | |
76249532 CS |
947 | } |
948 | ||
949 | type = htons(OSPF6_LSTYPE_AS_EXTERNAL); | |
950 | adv_router = ospf6->router_id; | |
951 | for (ALL_LSDB_TYPED_ADVRTR(ospf6->lsdb, type, adv_router, lsa)) { | |
952 | /* RFC 2328 (14.1): Set MAXAGE */ | |
953 | lsa->header->age = htons(OSPF_LSA_MAXAGE); | |
954 | ospf6_flood(NULL, lsa); | |
955 | } | |
956 | } | |
6b0655a2 | 957 | |
d8a4e42b | 958 | /* Fletcher Checksum -- Refer to RFC1008. */ |
718e3744 | 959 | |
d8a4e42b JR |
960 | /* All the offsets are zero-based. The offsets in the RFC1008 are |
961 | one-based. */ | |
d62a17ae | 962 | unsigned short ospf6_lsa_checksum(struct ospf6_lsa_header *lsa_header) |
718e3744 | 963 | { |
d7c0a89a QY |
964 | uint8_t *buffer = (uint8_t *)&lsa_header->type; |
965 | int type_offset = | |
966 | buffer - (uint8_t *)&lsa_header->age; /* should be 2 */ | |
718e3744 | 967 | |
d62a17ae | 968 | /* Skip the AGE field */ |
d7c0a89a | 969 | uint16_t len = ntohs(lsa_header->length) - type_offset; |
718e3744 | 970 | |
d62a17ae | 971 | /* Checksum offset starts from "type" field, not the beginning of the |
972 | lsa_header struct. The offset is 14, rather than 16. */ | |
d7c0a89a | 973 | int checksum_offset = (uint8_t *)&lsa_header->checksum - buffer; |
d8a4e42b | 974 | |
d62a17ae | 975 | return (unsigned short)fletcher_checksum(buffer, len, checksum_offset); |
d8a4e42b | 976 | } |
718e3744 | 977 | |
d62a17ae | 978 | int ospf6_lsa_checksum_valid(struct ospf6_lsa_header *lsa_header) |
d8a4e42b | 979 | { |
d7c0a89a QY |
980 | uint8_t *buffer = (uint8_t *)&lsa_header->type; |
981 | int type_offset = | |
982 | buffer - (uint8_t *)&lsa_header->age; /* should be 2 */ | |
718e3744 | 983 | |
d62a17ae | 984 | /* Skip the AGE field */ |
d7c0a89a | 985 | uint16_t len = ntohs(lsa_header->length) - type_offset; |
718e3744 | 986 | |
d62a17ae | 987 | return (fletcher_checksum(buffer, len, FLETCHER_CHECKSUM_VALIDATE) |
988 | == 0); | |
718e3744 | 989 | } |
990 | ||
d62a17ae | 991 | void ospf6_lsa_init(void) |
6452df09 | 992 | { |
d62a17ae | 993 | ospf6_install_lsa_handler(&unknown_handler); |
718e3744 | 994 | } |
995 | ||
d62a17ae | 996 | void ospf6_lsa_terminate(void) |
ae2254aa | 997 | { |
ae2254aa | 998 | } |
6b0655a2 | 999 | |
3981b5c7 | 1000 | static char *ospf6_lsa_handler_name(const struct ospf6_lsa_handler *h) |
1e05838a | 1001 | { |
d62a17ae | 1002 | static char buf[64]; |
1003 | unsigned int i; | |
3981b5c7 | 1004 | unsigned int size = strlen(h->lh_name); |
1e05838a | 1005 | |
996c9314 LB |
1006 | if (!strcmp(h->lh_name, "unknown") |
1007 | && h->lh_type != OSPF6_LSTYPE_UNKNOWN) { | |
3981b5c7 | 1008 | snprintf(buf, sizeof(buf), "%#04hx", h->lh_type); |
d62a17ae | 1009 | return buf; |
1010 | } | |
1e05838a | 1011 | |
d62a17ae | 1012 | for (i = 0; i < MIN(size, sizeof(buf)); i++) { |
3981b5c7 VJ |
1013 | if (!islower((unsigned char)h->lh_name[i])) |
1014 | buf[i] = tolower((unsigned char)h->lh_name[i]); | |
d62a17ae | 1015 | else |
3981b5c7 | 1016 | buf[i] = h->lh_name[i]; |
d62a17ae | 1017 | } |
1018 | buf[size] = '\0'; | |
1019 | return buf; | |
1e05838a | 1020 | } |
718e3744 | 1021 | |
067967b8 | 1022 | void ospf6_lsa_debug_set_all(bool val) |
d5cb3508 YR |
1023 | { |
1024 | unsigned int i; | |
1025 | struct ospf6_lsa_handler *handler = NULL; | |
1026 | ||
067967b8 DL |
1027 | for (i = 0; i < array_size(lsa_handlers); i++) { |
1028 | handler = lsa_handlers[i]; | |
d5cb3508 YR |
1029 | if (handler == NULL) |
1030 | continue; | |
067967b8 | 1031 | if (val) |
d5cb3508 YR |
1032 | SET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_ALL); |
1033 | else | |
1034 | UNSET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_ALL); | |
1035 | } | |
067967b8 DL |
1036 | } |
1037 | ||
1038 | DEFPY (debug_ospf6_lsa_all, | |
1039 | debug_ospf6_lsa_all_cmd, | |
1040 | "[no$no] debug ospf6 lsa all", | |
1041 | NO_STR | |
1042 | DEBUG_STR | |
1043 | OSPF6_STR | |
1044 | "Debug Link State Advertisements (LSAs)\n" | |
1045 | "Display for all types of LSAs\n") | |
1046 | { | |
1047 | ospf6_lsa_debug_set_all(!no); | |
d5cb3508 YR |
1048 | return CMD_SUCCESS; |
1049 | } | |
1050 | ||
4dc43886 MR |
1051 | DEFPY (debug_ospf6_lsa_aggregation, |
1052 | debug_ospf6_lsa_aggregation_cmd, | |
1053 | "[no] debug ospf6 lsa aggregation", | |
1054 | NO_STR | |
1055 | DEBUG_STR | |
1056 | OSPF6_STR | |
1057 | "Debug Link State Advertisements (LSAs)\n" | |
1058 | "External LSA Aggregation\n") | |
1059 | { | |
1060 | ||
1061 | struct ospf6_lsa_handler *handler; | |
1062 | ||
1063 | handler = ospf6_get_lsa_handler(OSPF6_LSTYPE_AS_EXTERNAL); | |
1064 | if (handler == NULL) | |
1065 | return CMD_WARNING_CONFIG_FAILED; | |
1066 | ||
1067 | if (no) | |
1068 | UNSET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_AGGR); | |
1069 | else | |
1070 | SET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_AGGR); | |
1071 | ||
1072 | return CMD_SUCCESS; | |
1073 | } | |
1074 | ||
1e05838a | 1075 | DEFUN (debug_ospf6_lsa_type, |
1076 | debug_ospf6_lsa_hex_cmd, | |
576e8424 | 1077 | "debug ospf6 lsa <router|network|inter-prefix|inter-router|as-external|nssa|link|intra-prefix|unknown> [<originate|examine|flooding>]", |
508e53e2 | 1078 | DEBUG_STR |
1079 | OSPF6_STR | |
1080 | "Debug Link State Advertisements (LSAs)\n" | |
3a2d747c QY |
1081 | "Display Router LSAs\n" |
1082 | "Display Network LSAs\n" | |
1083 | "Display Inter-Area-Prefix LSAs\n" | |
1084 | "Display Inter-Router LSAs\n" | |
1085 | "Display As-External LSAs\n" | |
576e8424 | 1086 | "Display NSSA LSAs\n" |
3a2d747c QY |
1087 | "Display Link LSAs\n" |
1088 | "Display Intra-Area-Prefix LSAs\n" | |
1089 | "Display LSAs of unknown origin\n" | |
1090 | "Display details of LSAs\n" | |
1091 | "Dump LSAs\n" | |
1092 | "Display LSA's internal information\n") | |
508e53e2 | 1093 | { |
d62a17ae | 1094 | int idx_lsa = 3; |
1095 | int idx_type = 4; | |
1096 | unsigned int i; | |
1097 | struct ospf6_lsa_handler *handler = NULL; | |
1098 | ||
067967b8 DL |
1099 | for (i = 0; i < array_size(lsa_handlers); i++) { |
1100 | handler = lsa_handlers[i]; | |
d62a17ae | 1101 | if (handler == NULL) |
1102 | continue; | |
1103 | if (strncmp(argv[idx_lsa]->arg, ospf6_lsa_handler_name(handler), | |
1104 | strlen(argv[idx_lsa]->arg)) | |
1105 | == 0) | |
1106 | break; | |
3981b5c7 | 1107 | if (!strcasecmp(argv[idx_lsa]->arg, handler->lh_name)) |
d62a17ae | 1108 | break; |
1109 | handler = NULL; | |
1110 | } | |
1111 | ||
1112 | if (handler == NULL) | |
1113 | handler = &unknown_handler; | |
1114 | ||
1115 | if (argc == 5) { | |
1116 | if (strmatch(argv[idx_type]->text, "originate")) | |
01db90cd | 1117 | SET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_ORIGINATE); |
d62a17ae | 1118 | else if (strmatch(argv[idx_type]->text, "examine")) |
01db90cd | 1119 | SET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_EXAMIN); |
d62a17ae | 1120 | else if (strmatch(argv[idx_type]->text, "flooding")) |
01db90cd | 1121 | SET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_FLOOD); |
d62a17ae | 1122 | } else |
01db90cd | 1123 | SET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG); |
d62a17ae | 1124 | |
1125 | return CMD_SUCCESS; | |
508e53e2 | 1126 | } |
1127 | ||
1e05838a | 1128 | DEFUN (no_debug_ospf6_lsa_type, |
1129 | no_debug_ospf6_lsa_hex_cmd, | |
576e8424 | 1130 | "no debug ospf6 lsa <router|network|inter-prefix|inter-router|as-external|nssa|link|intra-prefix|unknown> [<originate|examine|flooding>]", |
508e53e2 | 1131 | NO_STR |
1132 | DEBUG_STR | |
1133 | OSPF6_STR | |
1134 | "Debug Link State Advertisements (LSAs)\n" | |
16cedbb0 QY |
1135 | "Display Router LSAs\n" |
1136 | "Display Network LSAs\n" | |
1137 | "Display Inter-Area-Prefix LSAs\n" | |
3a2d747c | 1138 | "Display Inter-Router LSAs\n" |
16cedbb0 | 1139 | "Display As-External LSAs\n" |
576e8424 | 1140 | "Display NSSA LSAs\n" |
16cedbb0 QY |
1141 | "Display Link LSAs\n" |
1142 | "Display Intra-Area-Prefix LSAs\n" | |
3a2d747c | 1143 | "Display LSAs of unknown origin\n" |
16cedbb0 QY |
1144 | "Display details of LSAs\n" |
1145 | "Dump LSAs\n" | |
1146 | "Display LSA's internal information\n") | |
508e53e2 | 1147 | { |
d62a17ae | 1148 | int idx_lsa = 4; |
1149 | int idx_type = 5; | |
d7c0a89a | 1150 | unsigned int i; |
d62a17ae | 1151 | struct ospf6_lsa_handler *handler = NULL; |
1152 | ||
067967b8 DL |
1153 | for (i = 0; i < array_size(lsa_handlers); i++) { |
1154 | handler = lsa_handlers[i]; | |
d62a17ae | 1155 | if (handler == NULL) |
1156 | continue; | |
1157 | if (strncmp(argv[idx_lsa]->arg, ospf6_lsa_handler_name(handler), | |
1158 | strlen(argv[idx_lsa]->arg)) | |
1159 | == 0) | |
1160 | break; | |
3981b5c7 | 1161 | if (!strcasecmp(argv[idx_lsa]->arg, handler->lh_name)) |
d62a17ae | 1162 | break; |
1163 | } | |
718e3744 | 1164 | |
d62a17ae | 1165 | if (handler == NULL) |
1166 | return CMD_SUCCESS; | |
1167 | ||
1168 | if (argc == 6) { | |
1169 | if (strmatch(argv[idx_type]->text, "originate")) | |
01db90cd DL |
1170 | UNSET_FLAG(handler->lh_debug, |
1171 | OSPF6_LSA_DEBUG_ORIGINATE); | |
d62a17ae | 1172 | if (strmatch(argv[idx_type]->text, "examine")) |
01db90cd | 1173 | UNSET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_EXAMIN); |
d62a17ae | 1174 | if (strmatch(argv[idx_type]->text, "flooding")) |
01db90cd | 1175 | UNSET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_FLOOD); |
d62a17ae | 1176 | } else |
01db90cd | 1177 | UNSET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG); |
d62a17ae | 1178 | |
1179 | return CMD_SUCCESS; | |
1180 | } | |
1181 | ||
1182 | void install_element_ospf6_debug_lsa(void) | |
1183 | { | |
d5cb3508 YR |
1184 | install_element(ENABLE_NODE, &debug_ospf6_lsa_all_cmd); |
1185 | install_element(CONFIG_NODE, &debug_ospf6_lsa_all_cmd); | |
d62a17ae | 1186 | install_element(ENABLE_NODE, &debug_ospf6_lsa_hex_cmd); |
1187 | install_element(ENABLE_NODE, &no_debug_ospf6_lsa_hex_cmd); | |
1188 | install_element(CONFIG_NODE, &debug_ospf6_lsa_hex_cmd); | |
1189 | install_element(CONFIG_NODE, &no_debug_ospf6_lsa_hex_cmd); | |
4dc43886 MR |
1190 | |
1191 | install_element(ENABLE_NODE, &debug_ospf6_lsa_aggregation_cmd); | |
1192 | install_element(CONFIG_NODE, &debug_ospf6_lsa_aggregation_cmd); | |
d62a17ae | 1193 | } |
1194 | ||
1195 | int config_write_ospf6_debug_lsa(struct vty *vty) | |
1196 | { | |
d7c0a89a | 1197 | unsigned int i; |
3981b5c7 | 1198 | const struct ospf6_lsa_handler *handler; |
d5cb3508 YR |
1199 | bool debug_all = true; |
1200 | ||
067967b8 DL |
1201 | for (i = 0; i < array_size(lsa_handlers); i++) { |
1202 | handler = lsa_handlers[i]; | |
d5cb3508 YR |
1203 | if (handler == NULL) |
1204 | continue; | |
1205 | if (CHECK_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_ALL) | |
1206 | < OSPF6_LSA_DEBUG_ALL) { | |
1207 | debug_all = false; | |
1208 | break; | |
1209 | } | |
1210 | } | |
1211 | ||
1212 | if (debug_all) { | |
1213 | vty_out(vty, "debug ospf6 lsa all\n"); | |
1214 | return 0; | |
1215 | } | |
d62a17ae | 1216 | |
067967b8 DL |
1217 | for (i = 0; i < array_size(lsa_handlers); i++) { |
1218 | handler = lsa_handlers[i]; | |
d62a17ae | 1219 | if (handler == NULL) |
1220 | continue; | |
01db90cd | 1221 | if (CHECK_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG)) |
d62a17ae | 1222 | vty_out(vty, "debug ospf6 lsa %s\n", |
1223 | ospf6_lsa_handler_name(handler)); | |
01db90cd | 1224 | if (CHECK_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_ORIGINATE)) |
d62a17ae | 1225 | vty_out(vty, "debug ospf6 lsa %s originate\n", |
1226 | ospf6_lsa_handler_name(handler)); | |
01db90cd | 1227 | if (CHECK_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_EXAMIN)) |
d62a17ae | 1228 | vty_out(vty, "debug ospf6 lsa %s examine\n", |
1229 | ospf6_lsa_handler_name(handler)); | |
01db90cd | 1230 | if (CHECK_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_FLOOD)) |
d62a17ae | 1231 | vty_out(vty, "debug ospf6 lsa %s flooding\n", |
1232 | ospf6_lsa_handler_name(handler)); | |
4dc43886 MR |
1233 | if (CHECK_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_AGGR)) |
1234 | vty_out(vty, "debug ospf6 lsa aggregation\n"); | |
d62a17ae | 1235 | } |
718e3744 | 1236 | |
d62a17ae | 1237 | return 0; |
1238 | } |