| 718e3744 |
1 | /* Route filtering function. |
| 2 | * Copyright (C) 1998, 1999 Kunihiro Ishiguro |
| 3 | * |
| 4 | * This file is part of GNU Zebra. |
| 5 | * |
| 6 | * GNU Zebra is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published |
| 8 | * by the Free Software Foundation; either version 2, or (at your |
| 9 | * option) any later version. |
| 10 | * |
| 11 | * GNU Zebra is distributed in the hope that it will be useful, but |
| 12 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with GNU Zebra; see the file COPYING. If not, write to the |
| 18 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 19 | * Boston, MA 02111-1307, USA. |
| 20 | */ |
| 21 | |
| 22 | #include <zebra.h> |
| 23 | |
| 24 | #include "prefix.h" |
| 25 | #include "filter.h" |
| 26 | #include "memory.h" |
| 27 | #include "command.h" |
| 28 | #include "sockunion.h" |
| 29 | #include "buffer.h" |
| 30 | |
| 31 | struct filter_cisco |
| 32 | { |
| 33 | /* Cisco access-list */ |
| 34 | int extended; |
| 35 | struct in_addr addr; |
| 36 | struct in_addr addr_mask; |
| 37 | struct in_addr mask; |
| 38 | struct in_addr mask_mask; |
| 39 | }; |
| 40 | |
| 41 | struct filter_zebra |
| 42 | { |
| 43 | /* If this filter is "exact" match then this flag is set. */ |
| 44 | int exact; |
| 45 | |
| 46 | /* Prefix information. */ |
| 47 | struct prefix prefix; |
| 48 | }; |
| 49 | |
| 50 | /* Filter element of access list */ |
| 51 | struct filter |
| 52 | { |
| 53 | /* For doubly linked list. */ |
| 54 | struct filter *next; |
| 55 | struct filter *prev; |
| 56 | |
| 57 | /* Filter type information. */ |
| 58 | enum filter_type type; |
| 59 | |
| 60 | /* Cisco access-list */ |
| 61 | int cisco; |
| 62 | |
| 63 | union |
| 64 | { |
| 65 | struct filter_cisco cfilter; |
| 66 | struct filter_zebra zfilter; |
| 67 | } u; |
| 68 | }; |
| 69 | |
| 70 | /* List of access_list. */ |
| 71 | struct access_list_list |
| 72 | { |
| 73 | struct access_list *head; |
| 74 | struct access_list *tail; |
| 75 | }; |
| 76 | |
| 77 | /* Master structure of access_list. */ |
| 78 | struct access_master |
| 79 | { |
| 80 | /* List of access_list which name is number. */ |
| 81 | struct access_list_list num; |
| 82 | |
| 83 | /* List of access_list which name is string. */ |
| 84 | struct access_list_list str; |
| 85 | |
| 86 | /* Hook function which is executed when new access_list is added. */ |
| 87 | void (*add_hook) (); |
| 88 | |
| 89 | /* Hook function which is executed when access_list is deleted. */ |
| 90 | void (*delete_hook) (); |
| 91 | }; |
| 92 | |
| 93 | /* Static structure for IPv4 access_list's master. */ |
| 94 | static struct access_master access_master_ipv4 = |
| 95 | { |
| 96 | {NULL, NULL}, |
| 97 | {NULL, NULL}, |
| 98 | NULL, |
| 99 | NULL, |
| 100 | }; |
| 101 | |
| 102 | #ifdef HAVE_IPV6 |
| 103 | /* Static structure for IPv6 access_list's master. */ |
| 104 | static struct access_master access_master_ipv6 = |
| 105 | { |
| 106 | {NULL, NULL}, |
| 107 | {NULL, NULL}, |
| 108 | NULL, |
| 109 | NULL, |
| 110 | }; |
| 111 | #endif /* HAVE_IPV6 */ |
| 112 | \f |
| 113 | struct access_master * |
| 114 | access_master_get (afi_t afi) |
| 115 | { |
| 116 | if (afi == AFI_IP) |
| 117 | return &access_master_ipv4; |
| 118 | #ifdef HAVE_IPV6 |
| 119 | else if (afi == AFI_IP6) |
| 120 | return &access_master_ipv6; |
| 121 | #endif /* HAVE_IPV6 */ |
| 122 | return NULL; |
| 123 | } |
| 124 | |
| 125 | /* Allocate new filter structure. */ |
| 126 | struct filter * |
| 127 | filter_new () |
| 128 | { |
| 129 | return (struct filter *) XCALLOC (MTYPE_ACCESS_FILTER, |
| 130 | sizeof (struct filter)); |
| 131 | } |
| 132 | |
| 133 | void |
| 134 | filter_free (struct filter *filter) |
| 135 | { |
| 136 | XFREE (MTYPE_ACCESS_FILTER, filter); |
| 137 | } |
| 138 | |
| 139 | /* Return string of filter_type. */ |
| 140 | static char * |
| 141 | filter_type_str (struct filter *filter) |
| 142 | { |
| 143 | switch (filter->type) |
| 144 | { |
| 145 | case FILTER_PERMIT: |
| 146 | return "permit"; |
| 147 | break; |
| 148 | case FILTER_DENY: |
| 149 | return "deny"; |
| 150 | break; |
| 151 | case FILTER_DYNAMIC: |
| 152 | return "dynamic"; |
| 153 | break; |
| 154 | default: |
| 155 | return ""; |
| 156 | break; |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | /* If filter match to the prefix then return 1. */ |
| 161 | static int |
| 162 | filter_match_cisco (struct filter *mfilter, struct prefix *p) |
| 163 | { |
| 164 | struct filter_cisco *filter; |
| 165 | struct in_addr mask; |
| 166 | u_int32_t check_addr; |
| 167 | u_int32_t check_mask; |
| 168 | |
| 169 | filter = &mfilter->u.cfilter; |
| 170 | check_addr = p->u.prefix4.s_addr & ~filter->addr_mask.s_addr; |
| 171 | |
| 172 | if (filter->extended) |
| 173 | { |
| 174 | masklen2ip (p->prefixlen, &mask); |
| 175 | check_mask = mask.s_addr & ~filter->mask_mask.s_addr; |
| 176 | |
| 177 | if (memcmp (&check_addr, &filter->addr.s_addr, 4) == 0 |
| 178 | && memcmp (&check_mask, &filter->mask.s_addr, 4) == 0) |
| 179 | return 1; |
| 180 | } |
| 181 | else if (memcmp (&check_addr, &filter->addr.s_addr, 4) == 0) |
| 182 | return 1; |
| 183 | |
| 184 | return 0; |
| 185 | } |
| 186 | |
| 187 | /* If filter match to the prefix then return 1. */ |
| 188 | static int |
| 189 | filter_match_zebra (struct filter *mfilter, struct prefix *p) |
| 190 | { |
| 191 | struct filter_zebra *filter; |
| 192 | |
| 193 | filter = &mfilter->u.zfilter; |
| 194 | |
| 195 | if (filter->prefix.family == p->family) |
| 196 | { |
| 197 | if (filter->exact) |
| 198 | { |
| 199 | if (filter->prefix.prefixlen == p->prefixlen) |
| 200 | return prefix_match (&filter->prefix, p); |
| 201 | else |
| 202 | return 0; |
| 203 | } |
| 204 | else |
| 205 | return prefix_match (&filter->prefix, p); |
| 206 | } |
| 207 | else |
| 208 | return 0; |
| 209 | } |
| 210 | \f |
| 211 | /* Allocate new access list structure. */ |
| 212 | struct access_list * |
| 213 | access_list_new () |
| 214 | { |
| 215 | return (struct access_list *) XCALLOC (MTYPE_ACCESS_LIST, |
| 216 | sizeof (struct access_list)); |
| 217 | } |
| 218 | |
| 219 | /* Free allocated access_list. */ |
| 220 | void |
| 221 | access_list_free (struct access_list *access) |
| 222 | { |
| 223 | XFREE (MTYPE_ACCESS_LIST, access); |
| 224 | } |
| 225 | |
| 226 | /* Delete access_list from access_master and free it. */ |
| 227 | void |
| 228 | access_list_delete (struct access_list *access) |
| 229 | { |
| 230 | struct filter *filter; |
| 231 | struct filter *next; |
| 232 | struct access_list_list *list; |
| 233 | struct access_master *master; |
| 234 | |
| 235 | for (filter = access->head; filter; filter = next) |
| 236 | { |
| 237 | next = filter->next; |
| 238 | filter_free (filter); |
| 239 | } |
| 240 | |
| 241 | master = access->master; |
| 242 | |
| 243 | if (access->type == ACCESS_TYPE_NUMBER) |
| 244 | list = &master->num; |
| 245 | else |
| 246 | list = &master->str; |
| 247 | |
| 248 | if (access->next) |
| 249 | access->next->prev = access->prev; |
| 250 | else |
| 251 | list->tail = access->prev; |
| 252 | |
| 253 | if (access->prev) |
| 254 | access->prev->next = access->next; |
| 255 | else |
| 256 | list->head = access->next; |
| 257 | |
| 258 | if (access->name) |
| 259 | XFREE (MTYPE_ACCESS_LIST_STR, access->name); |
| 260 | |
| 261 | if (access->remark) |
| 262 | XFREE (MTYPE_TMP, access->remark); |
| 263 | |
| 264 | access_list_free (access); |
| 265 | } |
| 266 | |
| 267 | /* Insert new access list to list of access_list. Each acceess_list |
| 268 | is sorted by the name. */ |
| 269 | struct access_list * |
| 270 | access_list_insert (afi_t afi, char *name) |
| 271 | { |
| 272 | int i; |
| 273 | long number; |
| 274 | struct access_list *access; |
| 275 | struct access_list *point; |
| 276 | struct access_list_list *alist; |
| 277 | struct access_master *master; |
| 278 | |
| 279 | master = access_master_get (afi); |
| 280 | if (master == NULL) |
| 281 | return NULL; |
| 282 | |
| 283 | /* Allocate new access_list and copy given name. */ |
| 284 | access = access_list_new (); |
| 285 | access->name = XSTRDUP (MTYPE_ACCESS_LIST_STR, name); |
| 286 | access->master = master; |
| 287 | |
| 288 | /* If name is made by all digit character. We treat it as |
| 289 | number. */ |
| 290 | for (number = 0, i = 0; i < strlen (name); i++) |
| 291 | { |
| 292 | if (isdigit ((int) name[i])) |
| 293 | number = (number * 10) + (name[i] - '0'); |
| 294 | else |
| 295 | break; |
| 296 | } |
| 297 | |
| 298 | /* In case of name is all digit character */ |
| 299 | if (i == strlen (name)) |
| 300 | { |
| 301 | access->type = ACCESS_TYPE_NUMBER; |
| 302 | |
| 303 | /* Set access_list to number list. */ |
| 304 | alist = &master->num; |
| 305 | |
| 306 | for (point = alist->head; point; point = point->next) |
| 307 | if (atol (point->name) >= number) |
| 308 | break; |
| 309 | } |
| 310 | else |
| 311 | { |
| 312 | access->type = ACCESS_TYPE_STRING; |
| 313 | |
| 314 | /* Set access_list to string list. */ |
| 315 | alist = &master->str; |
| 316 | |
| 317 | /* Set point to insertion point. */ |
| 318 | for (point = alist->head; point; point = point->next) |
| 319 | if (strcmp (point->name, name) >= 0) |
| 320 | break; |
| 321 | } |
| 322 | |
| 323 | /* In case of this is the first element of master. */ |
| 324 | if (alist->head == NULL) |
| 325 | { |
| 326 | alist->head = alist->tail = access; |
| 327 | return access; |
| 328 | } |
| 329 | |
| 330 | /* In case of insertion is made at the tail of access_list. */ |
| 331 | if (point == NULL) |
| 332 | { |
| 333 | access->prev = alist->tail; |
| 334 | alist->tail->next = access; |
| 335 | alist->tail = access; |
| 336 | return access; |
| 337 | } |
| 338 | |
| 339 | /* In case of insertion is made at the head of access_list. */ |
| 340 | if (point == alist->head) |
| 341 | { |
| 342 | access->next = alist->head; |
| 343 | alist->head->prev = access; |
| 344 | alist->head = access; |
| 345 | return access; |
| 346 | } |
| 347 | |
| 348 | /* Insertion is made at middle of the access_list. */ |
| 349 | access->next = point; |
| 350 | access->prev = point->prev; |
| 351 | |
| 352 | if (point->prev) |
| 353 | point->prev->next = access; |
| 354 | point->prev = access; |
| 355 | |
| 356 | return access; |
| 357 | } |
| 358 | |
| 359 | /* Lookup access_list from list of access_list by name. */ |
| 360 | struct access_list * |
| 361 | access_list_lookup (afi_t afi, char *name) |
| 362 | { |
| 363 | struct access_list *access; |
| 364 | struct access_master *master; |
| 365 | |
| 366 | if (name == NULL) |
| 367 | return NULL; |
| 368 | |
| 369 | master = access_master_get (afi); |
| 370 | if (master == NULL) |
| 371 | return NULL; |
| 372 | |
| 373 | for (access = master->num.head; access; access = access->next) |
| 374 | if (strcmp (access->name, name) == 0) |
| 375 | return access; |
| 376 | |
| 377 | for (access = master->str.head; access; access = access->next) |
| 378 | if (strcmp (access->name, name) == 0) |
| 379 | return access; |
| 380 | |
| 381 | return NULL; |
| 382 | } |
| 383 | |
| 384 | /* Get access list from list of access_list. If there isn't matched |
| 385 | access_list create new one and return it. */ |
| 386 | struct access_list * |
| 387 | access_list_get (afi_t afi, char *name) |
| 388 | { |
| 389 | struct access_list *access; |
| 390 | |
| 391 | access = access_list_lookup (afi, name); |
| 392 | if (access == NULL) |
| 393 | access = access_list_insert (afi, name); |
| 394 | return access; |
| 395 | } |
| 396 | |
| 397 | /* Apply access list to object (which should be struct prefix *). */ |
| 398 | enum filter_type |
| 399 | access_list_apply (struct access_list *access, void *object) |
| 400 | { |
| 401 | struct filter *filter; |
| 402 | struct prefix *p; |
| 403 | |
| 404 | p = (struct prefix *) object; |
| 405 | |
| 406 | if (access == NULL) |
| 407 | return FILTER_DENY; |
| 408 | |
| 409 | for (filter = access->head; filter; filter = filter->next) |
| 410 | { |
| 411 | if (filter->cisco) |
| 412 | { |
| 413 | if (filter_match_cisco (filter, p)) |
| 414 | return filter->type; |
| 415 | } |
| 416 | else |
| 417 | { |
| 418 | if (filter_match_zebra (filter, p)) |
| 419 | return filter->type; |
| 420 | } |
| 421 | } |
| 422 | |
| 423 | return FILTER_DENY; |
| 424 | } |
| 425 | |
| 426 | /* Add hook function. */ |
| 427 | void |
| 428 | access_list_add_hook (void (*func) (struct access_list *access)) |
| 429 | { |
| 430 | access_master_ipv4.add_hook = func; |
| 431 | #ifdef HAVE_IPV6 |
| 432 | access_master_ipv6.add_hook = func; |
| 433 | #endif /* HAVE_IPV6 */ |
| 434 | } |
| 435 | |
| 436 | /* Delete hook function. */ |
| 437 | void |
| 438 | access_list_delete_hook (void (*func) (struct access_list *access)) |
| 439 | { |
| 440 | access_master_ipv4.delete_hook = func; |
| 441 | #ifdef HAVE_IPV6 |
| 442 | access_master_ipv6.delete_hook = func; |
| 443 | #endif /* HAVE_IPV6 */ |
| 444 | } |
| 445 | |
| 446 | /* Add new filter to the end of specified access_list. */ |
| 447 | void |
| 448 | access_list_filter_add (struct access_list *access, struct filter *filter) |
| 449 | { |
| 450 | filter->next = NULL; |
| 451 | filter->prev = access->tail; |
| 452 | |
| 453 | if (access->tail) |
| 454 | access->tail->next = filter; |
| 455 | else |
| 456 | access->head = filter; |
| 457 | access->tail = filter; |
| 458 | |
| 459 | /* Run hook function. */ |
| 460 | if (access->master->add_hook) |
| 461 | (*access->master->add_hook) (access); |
| 462 | } |
| 463 | |
| 464 | /* If access_list has no filter then return 1. */ |
| 465 | static int |
| 466 | access_list_empty (struct access_list *access) |
| 467 | { |
| 468 | if (access->head == NULL && access->tail == NULL) |
| 469 | return 1; |
| 470 | else |
| 471 | return 0; |
| 472 | } |
| 473 | |
| 474 | /* Delete filter from specified access_list. If there is hook |
| 475 | function execute it. */ |
| 476 | void |
| 477 | access_list_filter_delete (struct access_list *access, struct filter *filter) |
| 478 | { |
| 479 | struct access_master *master; |
| 480 | |
| 481 | master = access->master; |
| 482 | |
| 483 | if (filter->next) |
| 484 | filter->next->prev = filter->prev; |
| 485 | else |
| 486 | access->tail = filter->prev; |
| 487 | |
| 488 | if (filter->prev) |
| 489 | filter->prev->next = filter->next; |
| 490 | else |
| 491 | access->head = filter->next; |
| 492 | |
| 493 | filter_free (filter); |
| 494 | |
| 495 | /* If access_list becomes empty delete it from access_master. */ |
| 496 | if (access_list_empty (access)) |
| 497 | access_list_delete (access); |
| 498 | |
| 499 | /* Run hook function. */ |
| 500 | if (master->delete_hook) |
| 501 | (*master->delete_hook) (access); |
| 502 | } |
| 503 | \f |
| 504 | /* |
| 505 | deny Specify packets to reject |
| 506 | permit Specify packets to forward |
| 507 | dynamic ? |
| 508 | */ |
| 509 | |
| 510 | /* |
| 511 | Hostname or A.B.C.D Address to match |
| 512 | any Any source host |
| 513 | host A single host address |
| 514 | */ |
| 515 | |
| 516 | struct filter * |
| 517 | filter_lookup_cisco (struct access_list *access, struct filter *mnew) |
| 518 | { |
| 519 | struct filter *mfilter; |
| 520 | struct filter_cisco *filter; |
| 521 | struct filter_cisco *new; |
| 522 | |
| 523 | new = &mnew->u.cfilter; |
| 524 | |
| 525 | for (mfilter = access->head; mfilter; mfilter = mfilter->next) |
| 526 | { |
| 527 | filter = &mfilter->u.cfilter; |
| 528 | |
| 529 | if (filter->extended) |
| 530 | { |
| 531 | if (mfilter->type == mnew->type |
| 532 | && filter->addr.s_addr == new->addr.s_addr |
| 533 | && filter->addr_mask.s_addr == new->addr_mask.s_addr |
| 534 | && filter->mask.s_addr == new->mask.s_addr |
| 535 | && filter->mask_mask.s_addr == new->mask_mask.s_addr) |
| 536 | return mfilter; |
| 537 | } |
| 538 | else |
| 539 | { |
| 540 | if (mfilter->type == mnew->type |
| 541 | && filter->addr.s_addr == new->addr.s_addr |
| 542 | && filter->addr_mask.s_addr == new->addr_mask.s_addr) |
| 543 | return mfilter; |
| 544 | } |
| 545 | } |
| 546 | |
| 547 | return NULL; |
| 548 | } |
| 549 | |
| 550 | struct filter * |
| 551 | filter_lookup_zebra (struct access_list *access, struct filter *mnew) |
| 552 | { |
| 553 | struct filter *mfilter; |
| 554 | struct filter_zebra *filter; |
| 555 | struct filter_zebra *new; |
| 556 | |
| 557 | new = &mnew->u.zfilter; |
| 558 | |
| 559 | for (mfilter = access->head; mfilter; mfilter = mfilter->next) |
| 560 | { |
| 561 | filter = &mfilter->u.zfilter; |
| 562 | |
| 563 | if (filter->exact == new->exact |
| 564 | && mfilter->type == mnew->type |
| 565 | && prefix_same (&filter->prefix, &new->prefix)) |
| 566 | return mfilter; |
| 567 | } |
| 568 | return NULL; |
| 569 | } |
| 570 | |
| 571 | int |
| 572 | vty_access_list_remark_unset (struct vty *vty, afi_t afi, char *name) |
| 573 | { |
| 574 | struct access_list *access; |
| 575 | |
| 576 | access = access_list_lookup (afi, name); |
| 577 | if (! access) |
| 578 | { |
| 579 | vty_out (vty, "%% access-list %s doesn't exist%s", name, |
| 580 | VTY_NEWLINE); |
| 581 | return CMD_WARNING; |
| 582 | } |
| 583 | |
| 584 | if (access->remark) |
| 585 | { |
| 586 | XFREE (MTYPE_TMP, access->remark); |
| 587 | access->remark = NULL; |
| 588 | } |
| 589 | |
| 590 | if (access->head == NULL && access->tail == NULL && access->remark == NULL) |
| 591 | access_list_delete (access); |
| 592 | |
| 593 | return CMD_SUCCESS; |
| 594 | } |
| 595 | |
| 596 | int |
| 597 | filter_set_cisco (struct vty *vty, char *name_str, char *type_str, |
| 598 | char *addr_str, char *addr_mask_str, |
| 599 | char *mask_str, char *mask_mask_str, |
| 600 | int extended, int set) |
| 601 | { |
| 602 | int ret; |
| 603 | enum filter_type type; |
| 604 | struct filter *mfilter; |
| 605 | struct filter_cisco *filter; |
| 606 | struct access_list *access; |
| 607 | struct in_addr addr; |
| 608 | struct in_addr addr_mask; |
| 609 | struct in_addr mask; |
| 610 | struct in_addr mask_mask; |
| 611 | |
| 612 | /* Check of filter type. */ |
| 613 | if (strncmp (type_str, "p", 1) == 0) |
| 614 | type = FILTER_PERMIT; |
| 615 | else if (strncmp (type_str, "d", 1) == 0) |
| 616 | type = FILTER_DENY; |
| 617 | else |
| 618 | { |
| 619 | vty_out (vty, "%% filter type must be permit or deny%s", VTY_NEWLINE); |
| 620 | return CMD_WARNING; |
| 621 | } |
| 622 | |
| 623 | ret = inet_aton (addr_str, &addr); |
| 624 | if (ret <= 0) |
| 625 | { |
| 626 | vty_out (vty, "%%Inconsistent address and mask%s", |
| 627 | VTY_NEWLINE); |
| 628 | return CMD_WARNING; |
| 629 | } |
| 630 | |
| 631 | ret = inet_aton (addr_mask_str, &addr_mask); |
| 632 | if (ret <= 0) |
| 633 | { |
| 634 | vty_out (vty, "%%Inconsistent address and mask%s", |
| 635 | VTY_NEWLINE); |
| 636 | return CMD_WARNING; |
| 637 | } |
| 638 | |
| 639 | if (extended) |
| 640 | { |
| 641 | ret = inet_aton (mask_str, &mask); |
| 642 | if (ret <= 0) |
| 643 | { |
| 644 | vty_out (vty, "%%Inconsistent address and mask%s", |
| 645 | VTY_NEWLINE); |
| 646 | return CMD_WARNING; |
| 647 | } |
| 648 | |
| 649 | ret = inet_aton (mask_mask_str, &mask_mask); |
| 650 | if (ret <= 0) |
| 651 | { |
| 652 | vty_out (vty, "%%Inconsistent address and mask%s", |
| 653 | VTY_NEWLINE); |
| 654 | return CMD_WARNING; |
| 655 | } |
| 656 | } |
| 657 | |
| 658 | mfilter = filter_new(); |
| 659 | mfilter->type = type; |
| 660 | mfilter->cisco = 1; |
| 661 | filter = &mfilter->u.cfilter; |
| 662 | filter->extended = extended; |
| 663 | filter->addr.s_addr = addr.s_addr & ~addr_mask.s_addr; |
| 664 | filter->addr_mask.s_addr = addr_mask.s_addr; |
| 665 | |
| 666 | if (extended) |
| 667 | { |
| 668 | filter->mask.s_addr = mask.s_addr & ~mask_mask.s_addr; |
| 669 | filter->mask_mask.s_addr = mask_mask.s_addr; |
| 670 | } |
| 671 | |
| 672 | /* Install new filter to the access_list. */ |
| 673 | access = access_list_get (AFI_IP, name_str); |
| 674 | |
| 675 | if (set) |
| 676 | { |
| 677 | if (filter_lookup_cisco (access, mfilter)) |
| 678 | filter_free (mfilter); |
| 679 | else |
| 680 | access_list_filter_add (access, mfilter); |
| 681 | } |
| 682 | else |
| 683 | { |
| 684 | struct filter *delete_filter; |
| 685 | |
| 686 | delete_filter = filter_lookup_cisco (access, mfilter); |
| 687 | if (delete_filter) |
| 688 | access_list_filter_delete (access, delete_filter); |
| 689 | |
| 690 | filter_free (mfilter); |
| 691 | } |
| 692 | |
| 693 | return CMD_SUCCESS; |
| 694 | } |
| 695 | |
| 696 | /* Standard access-list */ |
| 697 | DEFUN (access_list_standard, |
| 698 | access_list_standard_cmd, |
| 699 | "access-list (<1-99>|<1300-1999>) (deny|permit) A.B.C.D A.B.C.D", |
| 700 | "Add an access list entry\n" |
| 701 | "IP standard access list\n" |
| 702 | "IP standard access list (expanded range)\n" |
| 703 | "Specify packets to reject\n" |
| 704 | "Specify packets to forward\n" |
| 705 | "Address to match\n" |
| 706 | "Wildcard bits\n") |
| 707 | { |
| 708 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], argv[3], |
| 709 | NULL, NULL, 0, 1); |
| 710 | } |
| 711 | |
| 712 | DEFUN (access_list_standard_nomask, |
| 713 | access_list_standard_nomask_cmd, |
| 714 | "access-list (<1-99>|<1300-1999>) (deny|permit) A.B.C.D", |
| 715 | "Add an access list entry\n" |
| 716 | "IP standard access list\n" |
| 717 | "IP standard access list (expanded range)\n" |
| 718 | "Specify packets to reject\n" |
| 719 | "Specify packets to forward\n" |
| 720 | "Address to match\n") |
| 721 | { |
| 722 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], "0.0.0.0", |
| 723 | NULL, NULL, 0, 1); |
| 724 | } |
| 725 | |
| 726 | DEFUN (access_list_standard_host, |
| 727 | access_list_standard_host_cmd, |
| 728 | "access-list (<1-99>|<1300-1999>) (deny|permit) host A.B.C.D", |
| 729 | "Add an access list entry\n" |
| 730 | "IP standard access list\n" |
| 731 | "IP standard access list (expanded range)\n" |
| 732 | "Specify packets to reject\n" |
| 733 | "Specify packets to forward\n" |
| 734 | "A single host address\n" |
| 735 | "Address to match\n") |
| 736 | { |
| 737 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], "0.0.0.0", |
| 738 | NULL, NULL, 0, 1); |
| 739 | } |
| 740 | |
| 741 | DEFUN (access_list_standard_any, |
| 742 | access_list_standard_any_cmd, |
| 743 | "access-list (<1-99>|<1300-1999>) (deny|permit) any", |
| 744 | "Add an access list entry\n" |
| 745 | "IP standard access list\n" |
| 746 | "IP standard access list (expanded range)\n" |
| 747 | "Specify packets to reject\n" |
| 748 | "Specify packets to forward\n" |
| 749 | "Any source host\n") |
| 750 | { |
| 751 | return filter_set_cisco (vty, argv[0], argv[1], "0.0.0.0", |
| 752 | "255.255.255.255", NULL, NULL, 0, 1); |
| 753 | } |
| 754 | |
| 755 | DEFUN (no_access_list_standard, |
| 756 | no_access_list_standard_cmd, |
| 757 | "no access-list (<1-99>|<1300-1999>) (deny|permit) A.B.C.D A.B.C.D", |
| 758 | NO_STR |
| 759 | "Add an access list entry\n" |
| 760 | "IP standard access list\n" |
| 761 | "IP standard access list (expanded range)\n" |
| 762 | "Specify packets to reject\n" |
| 763 | "Specify packets to forward\n" |
| 764 | "Address to match\n" |
| 765 | "Wildcard bits\n") |
| 766 | { |
| 767 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], argv[3], |
| 768 | NULL, NULL, 0, 0); |
| 769 | } |
| 770 | |
| 771 | DEFUN (no_access_list_standard_nomask, |
| 772 | no_access_list_standard_nomask_cmd, |
| 773 | "no access-list (<1-99>|<1300-1999>) (deny|permit) A.B.C.D", |
| 774 | NO_STR |
| 775 | "Add an access list entry\n" |
| 776 | "IP standard access list\n" |
| 777 | "IP standard access list (expanded range)\n" |
| 778 | "Specify packets to reject\n" |
| 779 | "Specify packets to forward\n" |
| 780 | "Address to match\n") |
| 781 | { |
| 782 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], "0.0.0.0", |
| 783 | NULL, NULL, 0, 0); |
| 784 | } |
| 785 | |
| 786 | DEFUN (no_access_list_standard_host, |
| 787 | no_access_list_standard_host_cmd, |
| 788 | "no access-list (<1-99>|<1300-1999>) (deny|permit) host A.B.C.D", |
| 789 | NO_STR |
| 790 | "Add an access list entry\n" |
| 791 | "IP standard access list\n" |
| 792 | "IP standard access list (expanded range)\n" |
| 793 | "Specify packets to reject\n" |
| 794 | "Specify packets to forward\n" |
| 795 | "A single host address\n" |
| 796 | "Address to match\n") |
| 797 | { |
| 798 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], "0.0.0.0", |
| 799 | NULL, NULL, 0, 0); |
| 800 | } |
| 801 | |
| 802 | DEFUN (no_access_list_standard_any, |
| 803 | no_access_list_standard_any_cmd, |
| 804 | "no access-list (<1-99>|<1300-1999>) (deny|permit) any", |
| 805 | NO_STR |
| 806 | "Add an access list entry\n" |
| 807 | "IP standard access list\n" |
| 808 | "IP standard access list (expanded range)\n" |
| 809 | "Specify packets to reject\n" |
| 810 | "Specify packets to forward\n" |
| 811 | "Any source host\n") |
| 812 | { |
| 813 | return filter_set_cisco (vty, argv[0], argv[1], "0.0.0.0", |
| 814 | "255.255.255.255", NULL, NULL, 0, 0); |
| 815 | } |
| 816 | |
| 817 | /* Extended access-list */ |
| 818 | DEFUN (access_list_extended, |
| 819 | access_list_extended_cmd, |
| 820 | "access-list (<100-199>|<2000-2699>) (deny|permit) ip A.B.C.D A.B.C.D A.B.C.D A.B.C.D", |
| 821 | "Add an access list entry\n" |
| 822 | "IP extended access list\n" |
| 823 | "IP extended access list (expanded range)\n" |
| 824 | "Specify packets to reject\n" |
| 825 | "Specify packets to forward\n" |
| 826 | "Any Internet Protocol\n" |
| 827 | "Source address\n" |
| 828 | "Source wildcard bits\n" |
| 829 | "Destination address\n" |
| 830 | "Destination Wildcard bits\n") |
| 831 | { |
| 832 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], |
| 833 | argv[3], argv[4], argv[5], 1 ,1); |
| 834 | } |
| 835 | |
| 836 | DEFUN (access_list_extended_mask_any, |
| 837 | access_list_extended_mask_any_cmd, |
| 838 | "access-list (<100-199>|<2000-2699>) (deny|permit) ip A.B.C.D A.B.C.D any", |
| 839 | "Add an access list entry\n" |
| 840 | "IP extended access list\n" |
| 841 | "IP extended access list (expanded range)\n" |
| 842 | "Specify packets to reject\n" |
| 843 | "Specify packets to forward\n" |
| 844 | "Any Internet Protocol\n" |
| 845 | "Source address\n" |
| 846 | "Source wildcard bits\n" |
| 847 | "Any destination host\n") |
| 848 | { |
| 849 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], |
| 850 | argv[3], "0.0.0.0", |
| 851 | "255.255.255.255", 1, 1); |
| 852 | } |
| 853 | |
| 854 | DEFUN (access_list_extended_any_mask, |
| 855 | access_list_extended_any_mask_cmd, |
| 856 | "access-list (<100-199>|<2000-2699>) (deny|permit) ip any A.B.C.D A.B.C.D", |
| 857 | "Add an access list entry\n" |
| 858 | "IP extended access list\n" |
| 859 | "IP extended access list (expanded range)\n" |
| 860 | "Specify packets to reject\n" |
| 861 | "Specify packets to forward\n" |
| 862 | "Any Internet Protocol\n" |
| 863 | "Any source host\n" |
| 864 | "Destination address\n" |
| 865 | "Destination Wildcard bits\n") |
| 866 | { |
| 867 | return filter_set_cisco (vty, argv[0], argv[1], "0.0.0.0", |
| 868 | "255.255.255.255", argv[2], |
| 869 | argv[3], 1, 1); |
| 870 | } |
| 871 | |
| 872 | DEFUN (access_list_extended_any_any, |
| 873 | access_list_extended_any_any_cmd, |
| 874 | "access-list (<100-199>|<2000-2699>) (deny|permit) ip any any", |
| 875 | "Add an access list entry\n" |
| 876 | "IP extended access list\n" |
| 877 | "IP extended access list (expanded range)\n" |
| 878 | "Specify packets to reject\n" |
| 879 | "Specify packets to forward\n" |
| 880 | "Any Internet Protocol\n" |
| 881 | "Any source host\n" |
| 882 | "Any destination host\n") |
| 883 | { |
| 884 | return filter_set_cisco (vty, argv[0], argv[1], "0.0.0.0", |
| 885 | "255.255.255.255", "0.0.0.0", |
| 886 | "255.255.255.255", 1, 1); |
| 887 | } |
| 888 | |
| 889 | DEFUN (access_list_extended_mask_host, |
| 890 | access_list_extended_mask_host_cmd, |
| 891 | "access-list (<100-199>|<2000-2699>) (deny|permit) ip A.B.C.D A.B.C.D host A.B.C.D", |
| 892 | "Add an access list entry\n" |
| 893 | "IP extended access list\n" |
| 894 | "IP extended access list (expanded range)\n" |
| 895 | "Specify packets to reject\n" |
| 896 | "Specify packets to forward\n" |
| 897 | "Any Internet Protocol\n" |
| 898 | "Source address\n" |
| 899 | "Source wildcard bits\n" |
| 900 | "A single destination host\n" |
| 901 | "Destination address\n") |
| 902 | { |
| 903 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], |
| 904 | argv[3], argv[4], |
| 905 | "0.0.0.0", 1, 1); |
| 906 | } |
| 907 | |
| 908 | DEFUN (access_list_extended_host_mask, |
| 909 | access_list_extended_host_mask_cmd, |
| 910 | "access-list (<100-199>|<2000-2699>) (deny|permit) ip host A.B.C.D A.B.C.D A.B.C.D", |
| 911 | "Add an access list entry\n" |
| 912 | "IP extended access list\n" |
| 913 | "IP extended access list (expanded range)\n" |
| 914 | "Specify packets to reject\n" |
| 915 | "Specify packets to forward\n" |
| 916 | "Any Internet Protocol\n" |
| 917 | "A single source host\n" |
| 918 | "Source address\n" |
| 919 | "Destination address\n" |
| 920 | "Destination Wildcard bits\n") |
| 921 | { |
| 922 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], |
| 923 | "0.0.0.0", argv[3], |
| 924 | argv[4], 1, 1); |
| 925 | } |
| 926 | |
| 927 | DEFUN (access_list_extended_host_host, |
| 928 | access_list_extended_host_host_cmd, |
| 929 | "access-list (<100-199>|<2000-2699>) (deny|permit) ip host A.B.C.D host A.B.C.D", |
| 930 | "Add an access list entry\n" |
| 931 | "IP extended access list\n" |
| 932 | "IP extended access list (expanded range)\n" |
| 933 | "Specify packets to reject\n" |
| 934 | "Specify packets to forward\n" |
| 935 | "Any Internet Protocol\n" |
| 936 | "A single source host\n" |
| 937 | "Source address\n" |
| 938 | "A single destination host\n" |
| 939 | "Destination address\n") |
| 940 | { |
| 941 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], |
| 942 | "0.0.0.0", argv[3], |
| 943 | "0.0.0.0", 1, 1); |
| 944 | } |
| 945 | |
| 946 | DEFUN (access_list_extended_any_host, |
| 947 | access_list_extended_any_host_cmd, |
| 948 | "access-list (<100-199>|<2000-2699>) (deny|permit) ip any host A.B.C.D", |
| 949 | "Add an access list entry\n" |
| 950 | "IP extended access list\n" |
| 951 | "IP extended access list (expanded range)\n" |
| 952 | "Specify packets to reject\n" |
| 953 | "Specify packets to forward\n" |
| 954 | "Any Internet Protocol\n" |
| 955 | "Any source host\n" |
| 956 | "A single destination host\n" |
| 957 | "Destination address\n") |
| 958 | { |
| 959 | return filter_set_cisco (vty, argv[0], argv[1], "0.0.0.0", |
| 960 | "255.255.255.255", argv[2], |
| 961 | "0.0.0.0", 1, 1); |
| 962 | } |
| 963 | |
| 964 | DEFUN (access_list_extended_host_any, |
| 965 | access_list_extended_host_any_cmd, |
| 966 | "access-list (<100-199>|<2000-2699>) (deny|permit) ip host A.B.C.D any", |
| 967 | "Add an access list entry\n" |
| 968 | "IP extended access list\n" |
| 969 | "IP extended access list (expanded range)\n" |
| 970 | "Specify packets to reject\n" |
| 971 | "Specify packets to forward\n" |
| 972 | "Any Internet Protocol\n" |
| 973 | "A single source host\n" |
| 974 | "Source address\n" |
| 975 | "Any destination host\n") |
| 976 | { |
| 977 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], |
| 978 | "0.0.0.0", "0.0.0.0", |
| 979 | "255.255.255.255", 1, 1); |
| 980 | } |
| 981 | |
| 982 | DEFUN (no_access_list_extended, |
| 983 | no_access_list_extended_cmd, |
| 984 | "no access-list (<100-199>|<2000-2699>) (deny|permit) ip A.B.C.D A.B.C.D A.B.C.D A.B.C.D", |
| 985 | NO_STR |
| 986 | "Add an access list entry\n" |
| 987 | "IP extended access list\n" |
| 988 | "IP extended access list (expanded range)\n" |
| 989 | "Specify packets to reject\n" |
| 990 | "Specify packets to forward\n" |
| 991 | "Any Internet Protocol\n" |
| 992 | "Source address\n" |
| 993 | "Source wildcard bits\n" |
| 994 | "Destination address\n" |
| 995 | "Destination Wildcard bits\n") |
| 996 | { |
| 997 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], |
| 998 | argv[3], argv[4], argv[5], 1, 0); |
| 999 | } |
| 1000 | |
| 1001 | DEFUN (no_access_list_extended_mask_any, |
| 1002 | no_access_list_extended_mask_any_cmd, |
| 1003 | "no access-list (<100-199>|<2000-2699>) (deny|permit) ip A.B.C.D A.B.C.D any", |
| 1004 | NO_STR |
| 1005 | "Add an access list entry\n" |
| 1006 | "IP extended access list\n" |
| 1007 | "IP extended access list (expanded range)\n" |
| 1008 | "Specify packets to reject\n" |
| 1009 | "Specify packets to forward\n" |
| 1010 | "Any Internet Protocol\n" |
| 1011 | "Source address\n" |
| 1012 | "Source wildcard bits\n" |
| 1013 | "Any destination host\n") |
| 1014 | { |
| 1015 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], |
| 1016 | argv[3], "0.0.0.0", |
| 1017 | "255.255.255.255", 1, 0); |
| 1018 | } |
| 1019 | |
| 1020 | DEFUN (no_access_list_extended_any_mask, |
| 1021 | no_access_list_extended_any_mask_cmd, |
| 1022 | "no access-list (<100-199>|<2000-2699>) (deny|permit) ip any A.B.C.D A.B.C.D", |
| 1023 | NO_STR |
| 1024 | "Add an access list entry\n" |
| 1025 | "IP extended access list\n" |
| 1026 | "IP extended access list (expanded range)\n" |
| 1027 | "Specify packets to reject\n" |
| 1028 | "Specify packets to forward\n" |
| 1029 | "Any Internet Protocol\n" |
| 1030 | "Any source host\n" |
| 1031 | "Destination address\n" |
| 1032 | "Destination Wildcard bits\n") |
| 1033 | { |
| 1034 | return filter_set_cisco (vty, argv[0], argv[1], "0.0.0.0", |
| 1035 | "255.255.255.255", argv[2], |
| 1036 | argv[3], 1, 0); |
| 1037 | } |
| 1038 | |
| 1039 | DEFUN (no_access_list_extended_any_any, |
| 1040 | no_access_list_extended_any_any_cmd, |
| 1041 | "no access-list (<100-199>|<2000-2699>) (deny|permit) ip any any", |
| 1042 | NO_STR |
| 1043 | "Add an access list entry\n" |
| 1044 | "IP extended access list\n" |
| 1045 | "IP extended access list (expanded range)\n" |
| 1046 | "Specify packets to reject\n" |
| 1047 | "Specify packets to forward\n" |
| 1048 | "Any Internet Protocol\n" |
| 1049 | "Any source host\n" |
| 1050 | "Any destination host\n") |
| 1051 | { |
| 1052 | return filter_set_cisco (vty, argv[0], argv[1], "0.0.0.0", |
| 1053 | "255.255.255.255", "0.0.0.0", |
| 1054 | "255.255.255.255", 1, 0); |
| 1055 | } |
| 1056 | |
| 1057 | DEFUN (no_access_list_extended_mask_host, |
| 1058 | no_access_list_extended_mask_host_cmd, |
| 1059 | "no access-list (<100-199>|<2000-2699>) (deny|permit) ip A.B.C.D A.B.C.D host A.B.C.D", |
| 1060 | NO_STR |
| 1061 | "Add an access list entry\n" |
| 1062 | "IP extended access list\n" |
| 1063 | "IP extended access list (expanded range)\n" |
| 1064 | "Specify packets to reject\n" |
| 1065 | "Specify packets to forward\n" |
| 1066 | "Any Internet Protocol\n" |
| 1067 | "Source address\n" |
| 1068 | "Source wildcard bits\n" |
| 1069 | "A single destination host\n" |
| 1070 | "Destination address\n") |
| 1071 | { |
| 1072 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], |
| 1073 | argv[3], argv[4], |
| 1074 | "0.0.0.0", 1, 0); |
| 1075 | } |
| 1076 | |
| 1077 | DEFUN (no_access_list_extended_host_mask, |
| 1078 | no_access_list_extended_host_mask_cmd, |
| 1079 | "no access-list (<100-199>|<2000-2699>) (deny|permit) ip host A.B.C.D A.B.C.D A.B.C.D", |
| 1080 | NO_STR |
| 1081 | "Add an access list entry\n" |
| 1082 | "IP extended access list\n" |
| 1083 | "IP extended access list (expanded range)\n" |
| 1084 | "Specify packets to reject\n" |
| 1085 | "Specify packets to forward\n" |
| 1086 | "Any Internet Protocol\n" |
| 1087 | "A single source host\n" |
| 1088 | "Source address\n" |
| 1089 | "Destination address\n" |
| 1090 | "Destination Wildcard bits\n") |
| 1091 | { |
| 1092 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], |
| 1093 | "0.0.0.0", argv[3], |
| 1094 | argv[4], 1, 0); |
| 1095 | } |
| 1096 | |
| 1097 | DEFUN (no_access_list_extended_host_host, |
| 1098 | no_access_list_extended_host_host_cmd, |
| 1099 | "no access-list (<100-199>|<2000-2699>) (deny|permit) ip host A.B.C.D host A.B.C.D", |
| 1100 | NO_STR |
| 1101 | "Add an access list entry\n" |
| 1102 | "IP extended access list\n" |
| 1103 | "IP extended access list (expanded range)\n" |
| 1104 | "Specify packets to reject\n" |
| 1105 | "Specify packets to forward\n" |
| 1106 | "Any Internet Protocol\n" |
| 1107 | "A single source host\n" |
| 1108 | "Source address\n" |
| 1109 | "A single destination host\n" |
| 1110 | "Destination address\n") |
| 1111 | { |
| 1112 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], |
| 1113 | "0.0.0.0", argv[3], |
| 1114 | "0.0.0.0", 1, 0); |
| 1115 | } |
| 1116 | |
| 1117 | DEFUN (no_access_list_extended_any_host, |
| 1118 | no_access_list_extended_any_host_cmd, |
| 1119 | "no access-list (<100-199>|<2000-2699>) (deny|permit) ip any host A.B.C.D", |
| 1120 | NO_STR |
| 1121 | "Add an access list entry\n" |
| 1122 | "IP extended access list\n" |
| 1123 | "IP extended access list (expanded range)\n" |
| 1124 | "Specify packets to reject\n" |
| 1125 | "Specify packets to forward\n" |
| 1126 | "Any Internet Protocol\n" |
| 1127 | "Any source host\n" |
| 1128 | "A single destination host\n" |
| 1129 | "Destination address\n") |
| 1130 | { |
| 1131 | return filter_set_cisco (vty, argv[0], argv[1], "0.0.0.0", |
| 1132 | "255.255.255.255", argv[2], |
| 1133 | "0.0.0.0", 1, 0); |
| 1134 | } |
| 1135 | |
| 1136 | DEFUN (no_access_list_extended_host_any, |
| 1137 | no_access_list_extended_host_any_cmd, |
| 1138 | "no access-list (<100-199>|<2000-2699>) (deny|permit) ip host A.B.C.D any", |
| 1139 | NO_STR |
| 1140 | "Add an access list entry\n" |
| 1141 | "IP extended access list\n" |
| 1142 | "IP extended access list (expanded range)\n" |
| 1143 | "Specify packets to reject\n" |
| 1144 | "Specify packets to forward\n" |
| 1145 | "Any Internet Protocol\n" |
| 1146 | "A single source host\n" |
| 1147 | "Source address\n" |
| 1148 | "Any destination host\n") |
| 1149 | { |
| 1150 | return filter_set_cisco (vty, argv[0], argv[1], argv[2], |
| 1151 | "0.0.0.0", "0.0.0.0", |
| 1152 | "255.255.255.255", 1, 0); |
| 1153 | } |
| 1154 | |
| 1155 | int |
| 1156 | filter_set_zebra (struct vty *vty, char *name_str, char *type_str, |
| 1157 | afi_t afi, char *prefix_str, int exact, int set) |
| 1158 | { |
| 1159 | int ret; |
| 1160 | enum filter_type type; |
| 1161 | struct filter *mfilter; |
| 1162 | struct filter_zebra *filter; |
| 1163 | struct access_list *access; |
| 1164 | struct prefix p; |
| 1165 | |
| 1166 | /* Check of filter type. */ |
| 1167 | if (strncmp (type_str, "p", 1) == 0) |
| 1168 | type = FILTER_PERMIT; |
| 1169 | else if (strncmp (type_str, "d", 1) == 0) |
| 1170 | type = FILTER_DENY; |
| 1171 | else |
| 1172 | { |
| 1173 | vty_out (vty, "filter type must be [permit|deny]%s", VTY_NEWLINE); |
| 1174 | return CMD_WARNING; |
| 1175 | } |
| 1176 | |
| 1177 | /* Check string format of prefix and prefixlen. */ |
| 1178 | if (afi == AFI_IP) |
| 1179 | { |
| 1180 | ret = str2prefix_ipv4 (prefix_str, (struct prefix_ipv4 *)&p); |
| 1181 | if (ret <= 0) |
| 1182 | { |
| 1183 | vty_out (vty, "IP address prefix/prefixlen is malformed%s", |
| 1184 | VTY_NEWLINE); |
| 1185 | return CMD_WARNING; |
| 1186 | } |
| 1187 | } |
| 1188 | #ifdef HAVE_IPV6 |
| 1189 | else if (afi == AFI_IP6) |
| 1190 | { |
| 1191 | ret = str2prefix_ipv6 (prefix_str, (struct prefix_ipv6 *) &p); |
| 1192 | if (ret <= 0) |
| 1193 | { |
| 1194 | vty_out (vty, "IPv6 address prefix/prefixlen is malformed%s", |
| 1195 | VTY_NEWLINE); |
| 1196 | return CMD_WARNING; |
| 1197 | } |
| 1198 | } |
| 1199 | #endif /* HAVE_IPV6 */ |
| 1200 | else |
| 1201 | return CMD_WARNING; |
| 1202 | |
| 1203 | mfilter = filter_new (); |
| 1204 | mfilter->type = type; |
| 1205 | filter = &mfilter->u.zfilter; |
| 1206 | prefix_copy (&filter->prefix, &p); |
| 1207 | |
| 1208 | /* "exact-match" */ |
| 1209 | if (exact) |
| 1210 | filter->exact = 1; |
| 1211 | |
| 1212 | /* Install new filter to the access_list. */ |
| 1213 | access = access_list_get (afi, name_str); |
| 1214 | |
| 1215 | if (set) |
| 1216 | { |
| 1217 | if (filter_lookup_zebra (access, mfilter)) |
| 1218 | filter_free (mfilter); |
| 1219 | else |
| 1220 | access_list_filter_add (access, mfilter); |
| 1221 | } |
| 1222 | else |
| 1223 | { |
| 1224 | struct filter *delete_filter; |
| 1225 | |
| 1226 | delete_filter = filter_lookup_zebra (access, mfilter); |
| 1227 | if (delete_filter) |
| 1228 | access_list_filter_delete (access, delete_filter); |
| 1229 | |
| 1230 | filter_free (mfilter); |
| 1231 | } |
| 1232 | |
| 1233 | return CMD_SUCCESS; |
| 1234 | } |
| 1235 | |
| 1236 | /* Zebra access-list */ |
| 1237 | DEFUN (access_list, |
| 1238 | access_list_cmd, |
| 1239 | "access-list WORD (deny|permit) A.B.C.D/M", |
| 1240 | "Add an access list entry\n" |
| 1241 | "IP zebra access-list name\n" |
| 1242 | "Specify packets to reject\n" |
| 1243 | "Specify packets to forward\n" |
| 1244 | "Prefix to match. e.g. 10.0.0.0/8\n") |
| 1245 | { |
| 1246 | return filter_set_zebra (vty, argv[0], argv[1], AFI_IP, argv[2], 0, 1); |
| 1247 | } |
| 1248 | |
| 1249 | DEFUN (access_list_exact, |
| 1250 | access_list_exact_cmd, |
| 1251 | "access-list WORD (deny|permit) A.B.C.D/M exact-match", |
| 1252 | "Add an access list entry\n" |
| 1253 | "IP zebra access-list name\n" |
| 1254 | "Specify packets to reject\n" |
| 1255 | "Specify packets to forward\n" |
| 1256 | "Prefix to match. e.g. 10.0.0.0/8\n" |
| 1257 | "Exact match of the prefixes\n") |
| 1258 | { |
| 1259 | return filter_set_zebra (vty, argv[0], argv[1], AFI_IP, argv[2], 1, 1); |
| 1260 | } |
| 1261 | |
| 1262 | DEFUN (access_list_any, |
| 1263 | access_list_any_cmd, |
| 1264 | "access-list WORD (deny|permit) any", |
| 1265 | "Add an access list entry\n" |
| 1266 | "IP zebra access-list name\n" |
| 1267 | "Specify packets to reject\n" |
| 1268 | "Specify packets to forward\n" |
| 1269 | "Prefix to match. e.g. 10.0.0.0/8\n") |
| 1270 | { |
| 1271 | return filter_set_zebra (vty, argv[0], argv[1], AFI_IP, "0.0.0.0/0", 0, 1); |
| 1272 | } |
| 1273 | |
| 1274 | DEFUN (no_access_list, |
| 1275 | no_access_list_cmd, |
| 1276 | "no access-list WORD (deny|permit) A.B.C.D/M", |
| 1277 | NO_STR |
| 1278 | "Add an access list entry\n" |
| 1279 | "IP zebra access-list name\n" |
| 1280 | "Specify packets to reject\n" |
| 1281 | "Specify packets to forward\n" |
| 1282 | "Prefix to match. e.g. 10.0.0.0/8\n") |
| 1283 | { |
| 1284 | return filter_set_zebra (vty, argv[0], argv[1], AFI_IP, argv[2], 0, 0); |
| 1285 | } |
| 1286 | |
| 1287 | DEFUN (no_access_list_exact, |
| 1288 | no_access_list_exact_cmd, |
| 1289 | "no access-list WORD (deny|permit) A.B.C.D/M exact-match", |
| 1290 | NO_STR |
| 1291 | "Add an access list entry\n" |
| 1292 | "IP zebra access-list name\n" |
| 1293 | "Specify packets to reject\n" |
| 1294 | "Specify packets to forward\n" |
| 1295 | "Prefix to match. e.g. 10.0.0.0/8\n" |
| 1296 | "Exact match of the prefixes\n") |
| 1297 | { |
| 1298 | return filter_set_zebra (vty, argv[0], argv[1], AFI_IP, argv[2], 1, 0); |
| 1299 | } |
| 1300 | |
| 1301 | DEFUN (no_access_list_any, |
| 1302 | no_access_list_any_cmd, |
| 1303 | "no access-list WORD (deny|permit) any", |
| 1304 | NO_STR |
| 1305 | "Add an access list entry\n" |
| 1306 | "IP zebra access-list name\n" |
| 1307 | "Specify packets to reject\n" |
| 1308 | "Specify packets to forward\n" |
| 1309 | "Prefix to match. e.g. 10.0.0.0/8\n") |
| 1310 | { |
| 1311 | return filter_set_zebra (vty, argv[0], argv[1], AFI_IP, "0.0.0.0/0", 0, 0); |
| 1312 | } |
| 1313 | |
| 1314 | DEFUN (no_access_list_all, |
| 1315 | no_access_list_all_cmd, |
| 1316 | "no access-list (<1-99>|<100-199>|<1300-1999>|<2000-2699>|WORD)", |
| 1317 | NO_STR |
| 1318 | "Add an access list entry\n" |
| 1319 | "IP standard access list\n" |
| 1320 | "IP extended access list\n" |
| 1321 | "IP standard access list (expanded range)\n" |
| 1322 | "IP extended access list (expanded range)\n" |
| 1323 | "IP zebra access-list name\n") |
| 1324 | { |
| 1325 | struct access_list *access; |
| 1326 | struct access_master *master; |
| 1327 | |
| 1328 | /* Looking up access_list. */ |
| 1329 | access = access_list_lookup (AFI_IP, argv[0]); |
| 1330 | if (access == NULL) |
| 1331 | { |
| 1332 | vty_out (vty, "%% access-list %s doesn't exist%s", argv[0], |
| 1333 | VTY_NEWLINE); |
| 1334 | return CMD_WARNING; |
| 1335 | } |
| 1336 | |
| 1337 | master = access->master; |
| 1338 | |
| 1339 | /* Delete all filter from access-list. */ |
| 1340 | access_list_delete (access); |
| 1341 | |
| 1342 | /* Run hook function. */ |
| 1343 | if (master->delete_hook) |
| 1344 | (*master->delete_hook) (access); |
| 1345 | |
| 1346 | return CMD_SUCCESS; |
| 1347 | } |
| 1348 | |
| 1349 | DEFUN (access_list_remark, |
| 1350 | access_list_remark_cmd, |
| 1351 | "access-list (<1-99>|<100-199>|<1300-1999>|<2000-2699>|WORD) remark .LINE", |
| 1352 | "Add an access list entry\n" |
| 1353 | "IP standard access list\n" |
| 1354 | "IP extended access list\n" |
| 1355 | "IP standard access list (expanded range)\n" |
| 1356 | "IP extended access list (expanded range)\n" |
| 1357 | "IP zebra access-list\n" |
| 1358 | "Access list entry comment\n" |
| 1359 | "Comment up to 100 characters\n") |
| 1360 | { |
| 1361 | struct access_list *access; |
| 1362 | struct buffer *b; |
| 1363 | int i; |
| 1364 | |
| 1365 | access = access_list_get (AFI_IP, argv[0]); |
| 1366 | |
| 1367 | if (access->remark) |
| 1368 | { |
| 1369 | XFREE (MTYPE_TMP, access->remark); |
| 1370 | access->remark = NULL; |
| 1371 | } |
| 1372 | |
| 1373 | /* Below is remark get codes. */ |
| 1374 | b = buffer_new (1024); |
| 1375 | for (i = 1; i < argc; i++) |
| 1376 | { |
| 02ff83c5 |
1377 | buffer_putstr (b, argv[i]); |
| 718e3744 |
1378 | buffer_putc (b, ' '); |
| 1379 | } |
| 1380 | buffer_putc (b, '\0'); |
| 1381 | |
| 1382 | access->remark = buffer_getstr (b); |
| 1383 | |
| 1384 | buffer_free (b); |
| 1385 | |
| 1386 | return CMD_SUCCESS; |
| 1387 | } |
| 1388 | |
| 1389 | DEFUN (no_access_list_remark, |
| 1390 | no_access_list_remark_cmd, |
| 1391 | "no access-list (<1-99>|<100-199>|<1300-1999>|<2000-2699>|WORD) remark", |
| 1392 | NO_STR |
| 1393 | "Add an access list entry\n" |
| 1394 | "IP standard access list\n" |
| 1395 | "IP extended access list\n" |
| 1396 | "IP standard access list (expanded range)\n" |
| 1397 | "IP extended access list (expanded range)\n" |
| 1398 | "IP zebra access-list\n" |
| 1399 | "Access list entry comment\n") |
| 1400 | { |
| 1401 | return vty_access_list_remark_unset (vty, AFI_IP, argv[0]); |
| 1402 | } |
| 1403 | |
| 1404 | ALIAS (no_access_list_remark, |
| 1405 | no_access_list_remark_arg_cmd, |
| 1406 | "no access-list (<1-99>|<100-199>|<1300-1999>|<2000-2699>|WORD) remark .LINE", |
| 1407 | NO_STR |
| 1408 | "Add an access list entry\n" |
| 1409 | "IP standard access list\n" |
| 1410 | "IP extended access list\n" |
| 1411 | "IP standard access list (expanded range)\n" |
| 1412 | "IP extended access list (expanded range)\n" |
| 1413 | "IP zebra access-list\n" |
| 1414 | "Access list entry comment\n" |
| 1415 | "Comment up to 100 characters\n") |
| 1416 | |
| 1417 | #ifdef HAVE_IPV6 |
| 1418 | DEFUN (ipv6_access_list, |
| 1419 | ipv6_access_list_cmd, |
| 1420 | "ipv6 access-list WORD (deny|permit) X:X::X:X/M", |
| 1421 | IPV6_STR |
| 1422 | "Add an access list entry\n" |
| 1423 | "IPv6 zebra access-list\n" |
| 1424 | "Specify packets to reject\n" |
| 1425 | "Specify packets to forward\n" |
| 1426 | "Prefix to match. e.g. 3ffe:506::/32\n") |
| 1427 | { |
| 1428 | return filter_set_zebra (vty, argv[0], argv[1], AFI_IP6, argv[2], 0, 1); |
| 1429 | } |
| 1430 | |
| 1431 | DEFUN (ipv6_access_list_exact, |
| 1432 | ipv6_access_list_exact_cmd, |
| 1433 | "ipv6 access-list WORD (deny|permit) X:X::X:X/M exact-match", |
| 1434 | IPV6_STR |
| 1435 | "Add an access list entry\n" |
| 1436 | "IPv6 zebra access-list\n" |
| 1437 | "Specify packets to reject\n" |
| 1438 | "Specify packets to forward\n" |
| 1439 | "Prefix to match. e.g. 3ffe:506::/32\n" |
| 1440 | "Exact match of the prefixes\n") |
| 1441 | { |
| 1442 | return filter_set_zebra (vty, argv[0], argv[1], AFI_IP6, argv[2], 1, 1); |
| 1443 | } |
| 1444 | |
| 1445 | DEFUN (ipv6_access_list_any, |
| 1446 | ipv6_access_list_any_cmd, |
| 1447 | "ipv6 access-list WORD (deny|permit) any", |
| 1448 | IPV6_STR |
| 1449 | "Add an access list entry\n" |
| 1450 | "IPv6 zebra access-list\n" |
| 1451 | "Specify packets to reject\n" |
| 1452 | "Specify packets to forward\n" |
| 1453 | "Any prefixi to match\n") |
| 1454 | { |
| 1455 | return filter_set_zebra (vty, argv[0], argv[1], AFI_IP6, "::/0", 0, 1); |
| 1456 | } |
| 1457 | |
| 1458 | DEFUN (no_ipv6_access_list, |
| 1459 | no_ipv6_access_list_cmd, |
| 1460 | "no ipv6 access-list WORD (deny|permit) X:X::X:X/M", |
| 1461 | NO_STR |
| 1462 | IPV6_STR |
| 1463 | "Add an access list entry\n" |
| 1464 | "IPv6 zebra access-list\n" |
| 1465 | "Specify packets to reject\n" |
| 1466 | "Specify packets to forward\n" |
| 1467 | "Prefix to match. e.g. 3ffe:506::/32\n") |
| 1468 | { |
| 1469 | return filter_set_zebra (vty, argv[0], argv[1], AFI_IP6, argv[2], 0, 0); |
| 1470 | } |
| 1471 | |
| 1472 | DEFUN (no_ipv6_access_list_exact, |
| 1473 | no_ipv6_access_list_exact_cmd, |
| 1474 | "no ipv6 access-list WORD (deny|permit) X:X::X:X/M exact-match", |
| 1475 | NO_STR |
| 1476 | IPV6_STR |
| 1477 | "Add an access list entry\n" |
| 1478 | "IPv6 zebra access-list\n" |
| 1479 | "Specify packets to reject\n" |
| 1480 | "Specify packets to forward\n" |
| 1481 | "Prefix to match. e.g. 3ffe:506::/32\n" |
| 1482 | "Exact match of the prefixes\n") |
| 1483 | { |
| 1484 | return filter_set_zebra (vty, argv[0], argv[1], AFI_IP6, argv[2], 1, 0); |
| 1485 | } |
| 1486 | |
| 1487 | DEFUN (no_ipv6_access_list_any, |
| 1488 | no_ipv6_access_list_any_cmd, |
| 1489 | "no ipv6 access-list WORD (deny|permit) any", |
| 1490 | NO_STR |
| 1491 | IPV6_STR |
| 1492 | "Add an access list entry\n" |
| 1493 | "IPv6 zebra access-list\n" |
| 1494 | "Specify packets to reject\n" |
| 1495 | "Specify packets to forward\n" |
| 1496 | "Any prefixi to match\n") |
| 1497 | { |
| 1498 | return filter_set_zebra (vty, argv[0], argv[1], AFI_IP6, "::/0", 0, 0); |
| 1499 | } |
| 1500 | |
| 1501 | |
| 1502 | DEFUN (no_ipv6_access_list_all, |
| 1503 | no_ipv6_access_list_all_cmd, |
| 1504 | "no ipv6 access-list WORD", |
| 1505 | NO_STR |
| 1506 | IPV6_STR |
| 1507 | "Add an access list entry\n" |
| 1508 | "IPv6 zebra access-list\n") |
| 1509 | { |
| 1510 | struct access_list *access; |
| 1511 | struct access_master *master; |
| 1512 | |
| 1513 | /* Looking up access_list. */ |
| 1514 | access = access_list_lookup (AFI_IP6, argv[0]); |
| 1515 | if (access == NULL) |
| 1516 | { |
| 1517 | vty_out (vty, "%% access-list %s doesn't exist%s", argv[0], |
| 1518 | VTY_NEWLINE); |
| 1519 | return CMD_WARNING; |
| 1520 | } |
| 1521 | |
| 1522 | master = access->master; |
| 1523 | |
| 1524 | /* Delete all filter from access-list. */ |
| 1525 | access_list_delete (access); |
| 1526 | |
| 1527 | /* Run hook function. */ |
| 1528 | if (master->delete_hook) |
| 1529 | (*master->delete_hook) (access); |
| 1530 | |
| 1531 | return CMD_SUCCESS; |
| 1532 | } |
| 1533 | |
| 1534 | DEFUN (ipv6_access_list_remark, |
| 1535 | ipv6_access_list_remark_cmd, |
| 1536 | "ipv6 access-list WORD remark .LINE", |
| 1537 | IPV6_STR |
| 1538 | "Add an access list entry\n" |
| 1539 | "IPv6 zebra access-list\n" |
| 1540 | "Access list entry comment\n" |
| 1541 | "Comment up to 100 characters\n") |
| 1542 | { |
| 1543 | struct access_list *access; |
| 1544 | struct buffer *b; |
| 1545 | int i; |
| 1546 | |
| 1547 | access = access_list_get (AFI_IP6, argv[0]); |
| 1548 | |
| 1549 | if (access->remark) |
| 1550 | { |
| 1551 | XFREE (MTYPE_TMP, access->remark); |
| 1552 | access->remark = NULL; |
| 1553 | } |
| 1554 | |
| 1555 | /* Below is remark get codes. */ |
| 1556 | b = buffer_new (1024); |
| 1557 | for (i = 1; i < argc; i++) |
| 1558 | { |
| 02ff83c5 |
1559 | buffer_putstr (b, argv[i]); |
| 718e3744 |
1560 | buffer_putc (b, ' '); |
| 1561 | } |
| 1562 | buffer_putc (b, '\0'); |
| 1563 | |
| 1564 | access->remark = buffer_getstr (b); |
| 1565 | |
| 1566 | buffer_free (b); |
| 1567 | |
| 1568 | return CMD_SUCCESS; |
| 1569 | } |
| 1570 | |
| 1571 | DEFUN (no_ipv6_access_list_remark, |
| 1572 | no_ipv6_access_list_remark_cmd, |
| 1573 | "no ipv6 access-list WORD remark", |
| 1574 | NO_STR |
| 1575 | IPV6_STR |
| 1576 | "Add an access list entry\n" |
| 1577 | "IPv6 zebra access-list\n" |
| 1578 | "Access list entry comment\n") |
| 1579 | { |
| 1580 | return vty_access_list_remark_unset (vty, AFI_IP6, argv[0]); |
| 1581 | } |
| 1582 | |
| 1583 | ALIAS (no_ipv6_access_list_remark, |
| 1584 | no_ipv6_access_list_remark_arg_cmd, |
| 1585 | "no ipv6 access-list WORD remark .LINE", |
| 1586 | NO_STR |
| 1587 | IPV6_STR |
| 1588 | "Add an access list entry\n" |
| 1589 | "IPv6 zebra access-list\n" |
| 1590 | "Access list entry comment\n" |
| 1591 | "Comment up to 100 characters\n") |
| 1592 | #endif /* HAVE_IPV6 */ |
| 1593 | |
| 1594 | void config_write_access_zebra (struct vty *, struct filter *); |
| 1595 | void config_write_access_cisco (struct vty *, struct filter *); |
| 1596 | |
| 1597 | /* show access-list command. */ |
| 1598 | int |
| 1599 | filter_show (struct vty *vty, char *name, afi_t afi) |
| 1600 | { |
| 1601 | struct access_list *access; |
| 1602 | struct access_master *master; |
| 1603 | struct filter *mfilter; |
| 1604 | struct filter_cisco *filter; |
| 1605 | int write = 0; |
| 1606 | |
| 1607 | master = access_master_get (afi); |
| 1608 | if (master == NULL) |
| 1609 | return 0; |
| 1610 | |
| 1611 | for (access = master->num.head; access; access = access->next) |
| 1612 | { |
| 1613 | if (name && strcmp (access->name, name) != 0) |
| 1614 | continue; |
| 1615 | |
| 1616 | write = 1; |
| 1617 | |
| 1618 | for (mfilter = access->head; mfilter; mfilter = mfilter->next) |
| 1619 | { |
| 1620 | filter = &mfilter->u.cfilter; |
| 1621 | |
| 1622 | if (write) |
| 1623 | { |
| 1624 | vty_out (vty, "%s IP%s access list %s%s", |
| 1625 | mfilter->cisco ? |
| 1626 | (filter->extended ? "Extended" : "Standard") : "Zebra", |
| 1627 | afi == AFI_IP6 ? "v6" : "", |
| 1628 | access->name, VTY_NEWLINE); |
| 1629 | write = 0; |
| 1630 | } |
| 1631 | |
| 1632 | vty_out (vty, " %s%s", filter_type_str (mfilter), |
| 1633 | mfilter->type == FILTER_DENY ? " " : ""); |
| 1634 | |
| 1635 | if (! mfilter->cisco) |
| 1636 | config_write_access_zebra (vty, mfilter); |
| 1637 | else if (filter->extended) |
| 1638 | config_write_access_cisco (vty, mfilter); |
| 1639 | else |
| 1640 | { |
| 1641 | if (filter->addr_mask.s_addr == 0xffffffff) |
| 1642 | vty_out (vty, " any%s", VTY_NEWLINE); |
| 1643 | else |
| 1644 | { |
| 1645 | vty_out (vty, " %s", inet_ntoa (filter->addr)); |
| 1646 | if (filter->addr_mask.s_addr != 0) |
| 1647 | vty_out (vty, ", wildcard bits %s", inet_ntoa (filter->addr_mask)); |
| 1648 | vty_out (vty, "%s", VTY_NEWLINE); |
| 1649 | } |
| 1650 | } |
| 1651 | } |
| 1652 | } |
| 1653 | |
| 1654 | for (access = master->str.head; access; access = access->next) |
| 1655 | { |
| 1656 | if (name && strcmp (access->name, name) != 0) |
| 1657 | continue; |
| 1658 | |
| 1659 | write = 1; |
| 1660 | |
| 1661 | for (mfilter = access->head; mfilter; mfilter = mfilter->next) |
| 1662 | { |
| 1663 | filter = &mfilter->u.cfilter; |
| 1664 | |
| 1665 | if (write) |
| 1666 | { |
| 1667 | vty_out (vty, "%s IP%s access list %s%s", |
| 1668 | mfilter->cisco ? |
| 1669 | (filter->extended ? "Extended" : "Standard") : "Zebra", |
| 1670 | afi == AFI_IP6 ? "v6" : "", |
| 1671 | access->name, VTY_NEWLINE); |
| 1672 | write = 0; |
| 1673 | } |
| 1674 | |
| 1675 | vty_out (vty, " %s%s", filter_type_str (mfilter), |
| 1676 | mfilter->type == FILTER_DENY ? " " : ""); |
| 1677 | |
| 1678 | if (! mfilter->cisco) |
| 1679 | config_write_access_zebra (vty, mfilter); |
| 1680 | else if (filter->extended) |
| 1681 | config_write_access_cisco (vty, mfilter); |
| 1682 | else |
| 1683 | { |
| 1684 | if (filter->addr_mask.s_addr == 0xffffffff) |
| 1685 | vty_out (vty, " any%s", VTY_NEWLINE); |
| 1686 | else |
| 1687 | { |
| 1688 | vty_out (vty, " %s", inet_ntoa (filter->addr)); |
| 1689 | if (filter->addr_mask.s_addr != 0) |
| 1690 | vty_out (vty, ", wildcard bits %s", inet_ntoa (filter->addr_mask)); |
| 1691 | vty_out (vty, "%s", VTY_NEWLINE); |
| 1692 | } |
| 1693 | } |
| 1694 | } |
| 1695 | } |
| 1696 | return CMD_SUCCESS; |
| 1697 | } |
| 1698 | |
| 1699 | DEFUN (show_ip_access_list, |
| 1700 | show_ip_access_list_cmd, |
| 1701 | "show ip access-list", |
| 1702 | SHOW_STR |
| 1703 | IP_STR |
| 1704 | "List IP access lists\n") |
| 1705 | { |
| 1706 | return filter_show (vty, NULL, AFI_IP); |
| 1707 | } |
| 1708 | |
| 1709 | DEFUN (show_ip_access_list_name, |
| 1710 | show_ip_access_list_name_cmd, |
| 1711 | "show ip access-list (<1-99>|<100-199>|<1300-1999>|<2000-2699>|WORD)", |
| 1712 | SHOW_STR |
| 1713 | IP_STR |
| 1714 | "List IP access lists\n" |
| 1715 | "IP standard access list\n" |
| 1716 | "IP extended access list\n" |
| 1717 | "IP standard access list (expanded range)\n" |
| 1718 | "IP extended access list (expanded range)\n" |
| 1719 | "IP zebra access-list\n") |
| 1720 | { |
| 1721 | return filter_show (vty, argv[0], AFI_IP); |
| 1722 | } |
| 1723 | |
| 1724 | #ifdef HAVE_IPV6 |
| 1725 | DEFUN (show_ipv6_access_list, |
| 1726 | show_ipv6_access_list_cmd, |
| 1727 | "show ipv6 access-list", |
| 1728 | SHOW_STR |
| 1729 | IPV6_STR |
| 1730 | "List IPv6 access lists\n") |
| 1731 | { |
| 1732 | return filter_show (vty, NULL, AFI_IP6); |
| 1733 | } |
| 1734 | |
| 1735 | DEFUN (show_ipv6_access_list_name, |
| 1736 | show_ipv6_access_list_name_cmd, |
| 1737 | "show ipv6 access-list WORD", |
| 1738 | SHOW_STR |
| 1739 | IPV6_STR |
| 1740 | "List IPv6 access lists\n" |
| 1741 | "IPv6 zebra access-list\n") |
| 1742 | { |
| 1743 | return filter_show (vty, argv[0], AFI_IP6); |
| 1744 | } |
| 1745 | #endif /* HAVE_IPV6 */ |
| 1746 | |
| 1747 | void |
| 1748 | config_write_access_cisco (struct vty *vty, struct filter *mfilter) |
| 1749 | { |
| 1750 | struct filter_cisco *filter; |
| 1751 | |
| 1752 | filter = &mfilter->u.cfilter; |
| 1753 | |
| 1754 | if (filter->extended) |
| 1755 | { |
| 1756 | vty_out (vty, " ip"); |
| 1757 | if (filter->addr_mask.s_addr == 0xffffffff) |
| 1758 | vty_out (vty, " any"); |
| 1759 | else if (filter->addr_mask.s_addr == 0) |
| 1760 | vty_out (vty, " host %s", inet_ntoa (filter->addr)); |
| 1761 | else |
| 1762 | { |
| 1763 | vty_out (vty, " %s", inet_ntoa (filter->addr)); |
| 1764 | vty_out (vty, " %s", inet_ntoa (filter->addr_mask)); |
| 1765 | } |
| 1766 | |
| 1767 | if (filter->mask_mask.s_addr == 0xffffffff) |
| 1768 | vty_out (vty, " any"); |
| 1769 | else if (filter->mask_mask.s_addr == 0) |
| 1770 | vty_out (vty, " host %s", inet_ntoa (filter->mask)); |
| 1771 | else |
| 1772 | { |
| 1773 | vty_out (vty, " %s", inet_ntoa (filter->mask)); |
| 1774 | vty_out (vty, " %s", inet_ntoa (filter->mask_mask)); |
| 1775 | } |
| 1776 | vty_out (vty, "%s", VTY_NEWLINE); |
| 1777 | } |
| 1778 | else |
| 1779 | { |
| 1780 | if (filter->addr_mask.s_addr == 0xffffffff) |
| 1781 | vty_out (vty, " any%s", VTY_NEWLINE); |
| 1782 | else |
| 1783 | { |
| 1784 | vty_out (vty, " %s", inet_ntoa (filter->addr)); |
| 1785 | if (filter->addr_mask.s_addr != 0) |
| 1786 | vty_out (vty, " %s", inet_ntoa (filter->addr_mask)); |
| 1787 | vty_out (vty, "%s", VTY_NEWLINE); |
| 1788 | } |
| 1789 | } |
| 1790 | } |
| 1791 | |
| 1792 | void |
| 1793 | config_write_access_zebra (struct vty *vty, struct filter *mfilter) |
| 1794 | { |
| 1795 | struct filter_zebra *filter; |
| 1796 | struct prefix *p; |
| 1797 | char buf[BUFSIZ]; |
| 1798 | |
| 1799 | filter = &mfilter->u.zfilter; |
| 1800 | p = &filter->prefix; |
| 1801 | |
| 1802 | if (p->prefixlen == 0 && ! filter->exact) |
| 1803 | vty_out (vty, " any"); |
| 1804 | else |
| 1805 | vty_out (vty, " %s/%d%s", |
| 1806 | inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), |
| 1807 | p->prefixlen, |
| 1808 | filter->exact ? " exact-match" : ""); |
| 1809 | |
| 1810 | vty_out (vty, "%s", VTY_NEWLINE); |
| 1811 | } |
| 1812 | |
| 1813 | int |
| 1814 | config_write_access (struct vty *vty, afi_t afi) |
| 1815 | { |
| 1816 | struct access_list *access; |
| 1817 | struct access_master *master; |
| 1818 | struct filter *mfilter; |
| 1819 | int write = 0; |
| 1820 | |
| 1821 | master = access_master_get (afi); |
| 1822 | if (master == NULL) |
| 1823 | return 0; |
| 1824 | |
| 1825 | for (access = master->num.head; access; access = access->next) |
| 1826 | { |
| 1827 | if (access->remark) |
| 1828 | { |
| 1829 | vty_out (vty, "%saccess-list %s remark %s%s", |
| 1830 | afi == AFI_IP ? "" : "ipv6 ", |
| 1831 | access->name, access->remark, |
| 1832 | VTY_NEWLINE); |
| 1833 | write++; |
| 1834 | } |
| 1835 | |
| 1836 | for (mfilter = access->head; mfilter; mfilter = mfilter->next) |
| 1837 | { |
| 1838 | vty_out (vty, "%saccess-list %s %s", |
| 1839 | afi == AFI_IP ? "" : "ipv6 ", |
| 1840 | access->name, |
| 1841 | filter_type_str (mfilter)); |
| 1842 | |
| 1843 | if (mfilter->cisco) |
| 1844 | config_write_access_cisco (vty, mfilter); |
| 1845 | else |
| 1846 | config_write_access_zebra (vty, mfilter); |
| 1847 | |
| 1848 | write++; |
| 1849 | } |
| 1850 | } |
| 1851 | |
| 1852 | for (access = master->str.head; access; access = access->next) |
| 1853 | { |
| 1854 | if (access->remark) |
| 1855 | { |
| 1856 | vty_out (vty, "%saccess-list %s remark %s%s", |
| 1857 | afi == AFI_IP ? "" : "ipv6 ", |
| 1858 | access->name, access->remark, |
| 1859 | VTY_NEWLINE); |
| 1860 | write++; |
| 1861 | } |
| 1862 | |
| 1863 | for (mfilter = access->head; mfilter; mfilter = mfilter->next) |
| 1864 | { |
| 1865 | vty_out (vty, "%saccess-list %s %s", |
| 1866 | afi == AFI_IP ? "" : "ipv6 ", |
| 1867 | access->name, |
| 1868 | filter_type_str (mfilter)); |
| 1869 | |
| 1870 | if (mfilter->cisco) |
| 1871 | config_write_access_cisco (vty, mfilter); |
| 1872 | else |
| 1873 | config_write_access_zebra (vty, mfilter); |
| 1874 | |
| 1875 | write++; |
| 1876 | } |
| 1877 | } |
| 1878 | return write; |
| 1879 | } |
| 1880 | |
| 1881 | /* Access-list node. */ |
| 1882 | struct cmd_node access_node = |
| 1883 | { |
| 1884 | ACCESS_NODE, |
| 1885 | "", /* Access list has no interface. */ |
| 1886 | 1 |
| 1887 | }; |
| 1888 | |
| 1889 | int |
| 1890 | config_write_access_ipv4 (struct vty *vty) |
| 1891 | { |
| 1892 | return config_write_access (vty, AFI_IP); |
| 1893 | } |
| 1894 | |
| 1895 | void |
| 1896 | access_list_reset_ipv4 () |
| 1897 | { |
| 1898 | struct access_list *access; |
| 1899 | struct access_list *next; |
| 1900 | struct access_master *master; |
| 1901 | |
| 1902 | master = access_master_get (AFI_IP); |
| 1903 | if (master == NULL) |
| 1904 | return; |
| 1905 | |
| 1906 | for (access = master->num.head; access; access = next) |
| 1907 | { |
| 1908 | next = access->next; |
| 1909 | access_list_delete (access); |
| 1910 | } |
| 1911 | for (access = master->str.head; access; access = next) |
| 1912 | { |
| 1913 | next = access->next; |
| 1914 | access_list_delete (access); |
| 1915 | } |
| 1916 | |
| 1917 | assert (master->num.head == NULL); |
| 1918 | assert (master->num.tail == NULL); |
| 1919 | |
| 1920 | assert (master->str.head == NULL); |
| 1921 | assert (master->str.tail == NULL); |
| 1922 | } |
| 1923 | |
| 1924 | /* Install vty related command. */ |
| 1925 | void |
| 1926 | access_list_init_ipv4 () |
| 1927 | { |
| 1928 | install_node (&access_node, config_write_access_ipv4); |
| 1929 | |
| 1930 | install_element (ENABLE_NODE, &show_ip_access_list_cmd); |
| 1931 | install_element (ENABLE_NODE, &show_ip_access_list_name_cmd); |
| 1932 | |
| 1933 | /* Zebra access-list */ |
| 1934 | install_element (CONFIG_NODE, &access_list_cmd); |
| 1935 | install_element (CONFIG_NODE, &access_list_exact_cmd); |
| 1936 | install_element (CONFIG_NODE, &access_list_any_cmd); |
| 1937 | install_element (CONFIG_NODE, &no_access_list_cmd); |
| 1938 | install_element (CONFIG_NODE, &no_access_list_exact_cmd); |
| 1939 | install_element (CONFIG_NODE, &no_access_list_any_cmd); |
| 1940 | |
| 1941 | /* Standard access-list */ |
| 1942 | install_element (CONFIG_NODE, &access_list_standard_cmd); |
| 1943 | install_element (CONFIG_NODE, &access_list_standard_nomask_cmd); |
| 1944 | install_element (CONFIG_NODE, &access_list_standard_host_cmd); |
| 1945 | install_element (CONFIG_NODE, &access_list_standard_any_cmd); |
| 1946 | install_element (CONFIG_NODE, &no_access_list_standard_cmd); |
| 1947 | install_element (CONFIG_NODE, &no_access_list_standard_nomask_cmd); |
| 1948 | install_element (CONFIG_NODE, &no_access_list_standard_host_cmd); |
| 1949 | install_element (CONFIG_NODE, &no_access_list_standard_any_cmd); |
| 1950 | |
| 1951 | /* Extended access-list */ |
| 1952 | install_element (CONFIG_NODE, &access_list_extended_cmd); |
| 1953 | install_element (CONFIG_NODE, &access_list_extended_any_mask_cmd); |
| 1954 | install_element (CONFIG_NODE, &access_list_extended_mask_any_cmd); |
| 1955 | install_element (CONFIG_NODE, &access_list_extended_any_any_cmd); |
| 1956 | install_element (CONFIG_NODE, &access_list_extended_host_mask_cmd); |
| 1957 | install_element (CONFIG_NODE, &access_list_extended_mask_host_cmd); |
| 1958 | install_element (CONFIG_NODE, &access_list_extended_host_host_cmd); |
| 1959 | install_element (CONFIG_NODE, &access_list_extended_any_host_cmd); |
| 1960 | install_element (CONFIG_NODE, &access_list_extended_host_any_cmd); |
| 1961 | install_element (CONFIG_NODE, &no_access_list_extended_cmd); |
| 1962 | install_element (CONFIG_NODE, &no_access_list_extended_any_mask_cmd); |
| 1963 | install_element (CONFIG_NODE, &no_access_list_extended_mask_any_cmd); |
| 1964 | install_element (CONFIG_NODE, &no_access_list_extended_any_any_cmd); |
| 1965 | install_element (CONFIG_NODE, &no_access_list_extended_host_mask_cmd); |
| 1966 | install_element (CONFIG_NODE, &no_access_list_extended_mask_host_cmd); |
| 1967 | install_element (CONFIG_NODE, &no_access_list_extended_host_host_cmd); |
| 1968 | install_element (CONFIG_NODE, &no_access_list_extended_any_host_cmd); |
| 1969 | install_element (CONFIG_NODE, &no_access_list_extended_host_any_cmd); |
| 1970 | |
| 1971 | install_element (CONFIG_NODE, &access_list_remark_cmd); |
| 1972 | install_element (CONFIG_NODE, &no_access_list_all_cmd); |
| 1973 | install_element (CONFIG_NODE, &no_access_list_remark_cmd); |
| 1974 | install_element (CONFIG_NODE, &no_access_list_remark_arg_cmd); |
| 1975 | } |
| 1976 | |
| 1977 | #ifdef HAVE_IPV6 |
| 1978 | struct cmd_node access_ipv6_node = |
| 1979 | { |
| 1980 | ACCESS_IPV6_NODE, |
| 1981 | "", |
| 1982 | 1 |
| 1983 | }; |
| 1984 | |
| 1985 | int |
| 1986 | config_write_access_ipv6 (struct vty *vty) |
| 1987 | { |
| 1988 | return config_write_access (vty, AFI_IP6); |
| 1989 | } |
| 1990 | |
| 1991 | void |
| 1992 | access_list_reset_ipv6 () |
| 1993 | { |
| 1994 | struct access_list *access; |
| 1995 | struct access_list *next; |
| 1996 | struct access_master *master; |
| 1997 | |
| 1998 | master = access_master_get (AFI_IP6); |
| 1999 | if (master == NULL) |
| 2000 | return; |
| 2001 | |
| 2002 | for (access = master->num.head; access; access = next) |
| 2003 | { |
| 2004 | next = access->next; |
| 2005 | access_list_delete (access); |
| 2006 | } |
| 2007 | for (access = master->str.head; access; access = next) |
| 2008 | { |
| 2009 | next = access->next; |
| 2010 | access_list_delete (access); |
| 2011 | } |
| 2012 | |
| 2013 | assert (master->num.head == NULL); |
| 2014 | assert (master->num.tail == NULL); |
| 2015 | |
| 2016 | assert (master->str.head == NULL); |
| 2017 | assert (master->str.tail == NULL); |
| 2018 | } |
| 2019 | |
| 2020 | void |
| 2021 | access_list_init_ipv6 () |
| 2022 | { |
| 2023 | install_node (&access_ipv6_node, config_write_access_ipv6); |
| 2024 | |
| 2025 | install_element (ENABLE_NODE, &show_ipv6_access_list_cmd); |
| 2026 | install_element (ENABLE_NODE, &show_ipv6_access_list_name_cmd); |
| 2027 | |
| 2028 | install_element (CONFIG_NODE, &ipv6_access_list_cmd); |
| 2029 | install_element (CONFIG_NODE, &ipv6_access_list_exact_cmd); |
| 2030 | install_element (CONFIG_NODE, &ipv6_access_list_any_cmd); |
| 2031 | install_element (CONFIG_NODE, &no_ipv6_access_list_exact_cmd); |
| 2032 | install_element (CONFIG_NODE, &no_ipv6_access_list_cmd); |
| 2033 | install_element (CONFIG_NODE, &no_ipv6_access_list_any_cmd); |
| 2034 | |
| 2035 | install_element (CONFIG_NODE, &no_ipv6_access_list_all_cmd); |
| 2036 | install_element (CONFIG_NODE, &ipv6_access_list_remark_cmd); |
| 2037 | install_element (CONFIG_NODE, &no_ipv6_access_list_remark_cmd); |
| 2038 | install_element (CONFIG_NODE, &no_ipv6_access_list_remark_arg_cmd); |
| 2039 | } |
| 2040 | #endif /* HAVE_IPV6 */ |
| 2041 | |
| 2042 | void |
| 2043 | access_list_init () |
| 2044 | { |
| 2045 | access_list_init_ipv4 (); |
| 2046 | #ifdef HAVE_IPV6 |
| 2047 | access_list_init_ipv6(); |
| 2048 | #endif /* HAVE_IPV6 */ |
| 2049 | } |
| 2050 | |
| 2051 | void |
| 2052 | access_list_reset () |
| 2053 | { |
| 2054 | access_list_reset_ipv4 (); |
| 2055 | #ifdef HAVE_IPV6 |
| 2056 | access_list_reset_ipv6(); |
| 2057 | #endif /* HAVE_IPV6 */ |
| 2058 | } |
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