diff options
Diffstat (limited to 'net/netlabel/netlabel_unlabeled.c')
| -rw-r--r-- | net/netlabel/netlabel_unlabeled.c | 350 |
1 files changed, 135 insertions, 215 deletions
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c index cc105a10e3f8..ab8131a8e489 100644 --- a/net/netlabel/netlabel_unlabeled.c +++ b/net/netlabel/netlabel_unlabeled.c | |||
| @@ -10,7 +10,7 @@ | |||
| 10 | */ | 10 | */ |
| 11 | 11 | ||
| 12 | /* | 12 | /* |
| 13 | * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 - 2007 | 13 | * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 - 2008 |
| 14 | * | 14 | * |
| 15 | * This program is free software; you can redistribute it and/or modify | 15 | * This program is free software; you can redistribute it and/or modify |
| 16 | * it under the terms of the GNU General Public License as published by | 16 | * it under the terms of the GNU General Public License as published by |
| @@ -54,6 +54,7 @@ | |||
| 54 | #include <asm/atomic.h> | 54 | #include <asm/atomic.h> |
| 55 | 55 | ||
| 56 | #include "netlabel_user.h" | 56 | #include "netlabel_user.h" |
| 57 | #include "netlabel_addrlist.h" | ||
| 57 | #include "netlabel_domainhash.h" | 58 | #include "netlabel_domainhash.h" |
| 58 | #include "netlabel_unlabeled.h" | 59 | #include "netlabel_unlabeled.h" |
| 59 | #include "netlabel_mgmt.h" | 60 | #include "netlabel_mgmt.h" |
| @@ -76,22 +77,20 @@ struct netlbl_unlhsh_tbl { | |||
| 76 | struct list_head *tbl; | 77 | struct list_head *tbl; |
| 77 | u32 size; | 78 | u32 size; |
| 78 | }; | 79 | }; |
| 80 | #define netlbl_unlhsh_addr4_entry(iter) \ | ||
| 81 | container_of(iter, struct netlbl_unlhsh_addr4, list) | ||
| 79 | struct netlbl_unlhsh_addr4 { | 82 | struct netlbl_unlhsh_addr4 { |
| 80 | __be32 addr; | ||
| 81 | __be32 mask; | ||
| 82 | u32 secid; | 83 | u32 secid; |
| 83 | 84 | ||
| 84 | u32 valid; | 85 | struct netlbl_af4list list; |
| 85 | struct list_head list; | ||
| 86 | struct rcu_head rcu; | 86 | struct rcu_head rcu; |
| 87 | }; | 87 | }; |
| 88 | #define netlbl_unlhsh_addr6_entry(iter) \ | ||
| 89 | container_of(iter, struct netlbl_unlhsh_addr6, list) | ||
| 88 | struct netlbl_unlhsh_addr6 { | 90 | struct netlbl_unlhsh_addr6 { |
| 89 | struct in6_addr addr; | ||
| 90 | struct in6_addr mask; | ||
| 91 | u32 secid; | 91 | u32 secid; |
| 92 | 92 | ||
| 93 | u32 valid; | 93 | struct netlbl_af6list list; |
| 94 | struct list_head list; | ||
| 95 | struct rcu_head rcu; | 94 | struct rcu_head rcu; |
| 96 | }; | 95 | }; |
| 97 | struct netlbl_unlhsh_iface { | 96 | struct netlbl_unlhsh_iface { |
| @@ -274,26 +273,28 @@ static void netlbl_unlhsh_free_addr6(struct rcu_head *entry) | |||
| 274 | static void netlbl_unlhsh_free_iface(struct rcu_head *entry) | 273 | static void netlbl_unlhsh_free_iface(struct rcu_head *entry) |
| 275 | { | 274 | { |
| 276 | struct netlbl_unlhsh_iface *iface; | 275 | struct netlbl_unlhsh_iface *iface; |
| 277 | struct netlbl_unlhsh_addr4 *iter4; | 276 | struct netlbl_af4list *iter4; |
| 278 | struct netlbl_unlhsh_addr4 *tmp4; | 277 | struct netlbl_af4list *tmp4; |
| 279 | struct netlbl_unlhsh_addr6 *iter6; | 278 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
| 280 | struct netlbl_unlhsh_addr6 *tmp6; | 279 | struct netlbl_af6list *iter6; |
| 280 | struct netlbl_af6list *tmp6; | ||
| 281 | #endif /* IPv6 */ | ||
| 281 | 282 | ||
| 282 | iface = container_of(entry, struct netlbl_unlhsh_iface, rcu); | 283 | iface = container_of(entry, struct netlbl_unlhsh_iface, rcu); |
| 283 | 284 | ||
| 284 | /* no need for locks here since we are the only one with access to this | 285 | /* no need for locks here since we are the only one with access to this |
| 285 | * structure */ | 286 | * structure */ |
| 286 | 287 | ||
| 287 | list_for_each_entry_safe(iter4, tmp4, &iface->addr4_list, list) | 288 | netlbl_af4list_foreach_safe(iter4, tmp4, &iface->addr4_list) { |
| 288 | if (iter4->valid) { | 289 | netlbl_af4list_remove_entry(iter4); |
| 289 | list_del_rcu(&iter4->list); | 290 | kfree(netlbl_unlhsh_addr4_entry(iter4)); |
| 290 | kfree(iter4); | 291 | } |
| 291 | } | 292 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
| 292 | list_for_each_entry_safe(iter6, tmp6, &iface->addr6_list, list) | 293 | netlbl_af6list_foreach_safe(iter6, tmp6, &iface->addr6_list) { |
| 293 | if (iter6->valid) { | 294 | netlbl_af6list_remove_entry(iter6); |
| 294 | list_del_rcu(&iter6->list); | 295 | kfree(netlbl_unlhsh_addr6_entry(iter6)); |
| 295 | kfree(iter6); | 296 | } |
| 296 | } | 297 | #endif /* IPv6 */ |
| 297 | kfree(iface); | 298 | kfree(iface); |
| 298 | } | 299 | } |
| 299 | 300 | ||
| @@ -316,59 +317,6 @@ static u32 netlbl_unlhsh_hash(int ifindex) | |||
| 316 | } | 317 | } |
| 317 | 318 | ||
| 318 | /** | 319 | /** |
| 319 | * netlbl_unlhsh_search_addr4 - Search for a matching IPv4 address entry | ||
| 320 | * @addr: IPv4 address | ||
| 321 | * @iface: the network interface entry | ||
| 322 | * | ||
| 323 | * Description: | ||
| 324 | * Searches the IPv4 address list of the network interface specified by @iface. | ||
| 325 | * If a matching address entry is found it is returned, otherwise NULL is | ||
| 326 | * returned. The caller is responsible for calling the rcu_read_[un]lock() | ||
| 327 | * functions. | ||
| 328 | * | ||
| 329 | */ | ||
| 330 | static struct netlbl_unlhsh_addr4 *netlbl_unlhsh_search_addr4( | ||
| 331 | __be32 addr, | ||
| 332 | const struct netlbl_unlhsh_iface *iface) | ||
| 333 | { | ||
| 334 | struct netlbl_unlhsh_addr4 *iter; | ||
| 335 | |||
| 336 | list_for_each_entry_rcu(iter, &iface->addr4_list, list) | ||
| 337 | if (iter->valid && (addr & iter->mask) == iter->addr) | ||
| 338 | return iter; | ||
| 339 | |||
| 340 | return NULL; | ||
| 341 | } | ||
| 342 | |||
| 343 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) | ||
| 344 | /** | ||
| 345 | * netlbl_unlhsh_search_addr6 - Search for a matching IPv6 address entry | ||
| 346 | * @addr: IPv6 address | ||
| 347 | * @iface: the network interface entry | ||
| 348 | * | ||
| 349 | * Description: | ||
| 350 | * Searches the IPv6 address list of the network interface specified by @iface. | ||
| 351 | * If a matching address entry is found it is returned, otherwise NULL is | ||
| 352 | * returned. The caller is responsible for calling the rcu_read_[un]lock() | ||
| 353 | * functions. | ||
| 354 | * | ||
| 355 | */ | ||
| 356 | static struct netlbl_unlhsh_addr6 *netlbl_unlhsh_search_addr6( | ||
| 357 | const struct in6_addr *addr, | ||
| 358 | const struct netlbl_unlhsh_iface *iface) | ||
| 359 | { | ||
| 360 | struct netlbl_unlhsh_addr6 *iter; | ||
| 361 | |||
| 362 | list_for_each_entry_rcu(iter, &iface->addr6_list, list) | ||
| 363 | if (iter->valid && | ||
| 364 | ipv6_masked_addr_cmp(&iter->addr, &iter->mask, addr) == 0) | ||
| 365 | return iter; | ||
| 366 | |||
| 367 | return NULL; | ||
| 368 | } | ||
| 369 | #endif /* IPv6 */ | ||
| 370 | |||
| 371 | /** | ||
| 372 | * netlbl_unlhsh_search_iface - Search for a matching interface entry | 320 | * netlbl_unlhsh_search_iface - Search for a matching interface entry |
| 373 | * @ifindex: the network interface | 321 | * @ifindex: the network interface |
| 374 | * | 322 | * |
| @@ -439,43 +387,26 @@ static int netlbl_unlhsh_add_addr4(struct netlbl_unlhsh_iface *iface, | |||
| 439 | const struct in_addr *mask, | 387 | const struct in_addr *mask, |
| 440 | u32 secid) | 388 | u32 secid) |
| 441 | { | 389 | { |
| 390 | int ret_val; | ||
| 442 | struct netlbl_unlhsh_addr4 *entry; | 391 | struct netlbl_unlhsh_addr4 *entry; |
| 443 | struct netlbl_unlhsh_addr4 *iter; | ||
| 444 | 392 | ||
| 445 | entry = kzalloc(sizeof(*entry), GFP_ATOMIC); | 393 | entry = kzalloc(sizeof(*entry), GFP_ATOMIC); |
| 446 | if (entry == NULL) | 394 | if (entry == NULL) |
| 447 | return -ENOMEM; | 395 | return -ENOMEM; |
| 448 | 396 | ||
| 449 | entry->addr = addr->s_addr & mask->s_addr; | 397 | entry->list.addr = addr->s_addr & mask->s_addr; |
| 450 | entry->mask = mask->s_addr; | 398 | entry->list.mask = mask->s_addr; |
| 451 | entry->secid = secid; | 399 | entry->list.valid = 1; |
| 452 | entry->valid = 1; | ||
| 453 | INIT_RCU_HEAD(&entry->rcu); | 400 | INIT_RCU_HEAD(&entry->rcu); |
| 401 | entry->secid = secid; | ||
| 454 | 402 | ||
| 455 | spin_lock(&netlbl_unlhsh_lock); | 403 | spin_lock(&netlbl_unlhsh_lock); |
| 456 | iter = netlbl_unlhsh_search_addr4(entry->addr, iface); | 404 | ret_val = netlbl_af4list_add(&entry->list, &iface->addr4_list); |
| 457 | if (iter != NULL && | ||
| 458 | iter->addr == addr->s_addr && iter->mask == mask->s_addr) { | ||
| 459 | spin_unlock(&netlbl_unlhsh_lock); | ||
| 460 | kfree(entry); | ||
| 461 | return -EEXIST; | ||
| 462 | } | ||
| 463 | /* in order to speed up address searches through the list (the common | ||
| 464 | * case) we need to keep the list in order based on the size of the | ||
| 465 | * address mask such that the entry with the widest mask (smallest | ||
| 466 | * numerical value) appears first in the list */ | ||
| 467 | list_for_each_entry_rcu(iter, &iface->addr4_list, list) | ||
| 468 | if (iter->valid && | ||
| 469 | ntohl(entry->mask) > ntohl(iter->mask)) { | ||
| 470 | __list_add_rcu(&entry->list, | ||
| 471 | iter->list.prev, | ||
| 472 | &iter->list); | ||
| 473 | spin_unlock(&netlbl_unlhsh_lock); | ||
| 474 | return 0; | ||
| 475 | } | ||
| 476 | list_add_tail_rcu(&entry->list, &iface->addr4_list); | ||
| 477 | spin_unlock(&netlbl_unlhsh_lock); | 405 | spin_unlock(&netlbl_unlhsh_lock); |
| 478 | return 0; | 406 | |
| 407 | if (ret_val != 0) | ||
| 408 | kfree(entry); | ||
| 409 | return ret_val; | ||
| 479 | } | 410 | } |
| 480 | 411 | ||
| 481 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) | 412 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
| @@ -498,47 +429,29 @@ static int netlbl_unlhsh_add_addr6(struct netlbl_unlhsh_iface *iface, | |||
| 498 | const struct in6_addr *mask, | 429 | const struct in6_addr *mask, |
| 499 | u32 secid) | 430 | u32 secid) |
| 500 | { | 431 | { |
| 432 | int ret_val; | ||
| 501 | struct netlbl_unlhsh_addr6 *entry; | 433 | struct netlbl_unlhsh_addr6 *entry; |
| 502 | struct netlbl_unlhsh_addr6 *iter; | ||
| 503 | 434 | ||
| 504 | entry = kzalloc(sizeof(*entry), GFP_ATOMIC); | 435 | entry = kzalloc(sizeof(*entry), GFP_ATOMIC); |
| 505 | if (entry == NULL) | 436 | if (entry == NULL) |
| 506 | return -ENOMEM; | 437 | return -ENOMEM; |
| 507 | 438 | ||
| 508 | ipv6_addr_copy(&entry->addr, addr); | 439 | ipv6_addr_copy(&entry->list.addr, addr); |
| 509 | entry->addr.s6_addr32[0] &= mask->s6_addr32[0]; | 440 | entry->list.addr.s6_addr32[0] &= mask->s6_addr32[0]; |
| 510 | entry->addr.s6_addr32[1] &= mask->s6_addr32[1]; | 441 | entry->list.addr.s6_addr32[1] &= mask->s6_addr32[1]; |
| 511 | entry->addr.s6_addr32[2] &= mask->s6_addr32[2]; | 442 | entry->list.addr.s6_addr32[2] &= mask->s6_addr32[2]; |
| 512 | entry->addr.s6_addr32[3] &= mask->s6_addr32[3]; | 443 | entry->list.addr.s6_addr32[3] &= mask->s6_addr32[3]; |
| 513 | ipv6_addr_copy(&entry->mask, mask); | 444 | ipv6_addr_copy(&entry->list.mask, mask); |
| 514 | entry->secid = secid; | 445 | entry->list.valid = 1; |
| 515 | entry->valid = 1; | ||
| 516 | INIT_RCU_HEAD(&entry->rcu); | 446 | INIT_RCU_HEAD(&entry->rcu); |
| 447 | entry->secid = secid; | ||
| 517 | 448 | ||
| 518 | spin_lock(&netlbl_unlhsh_lock); | 449 | spin_lock(&netlbl_unlhsh_lock); |
| 519 | iter = netlbl_unlhsh_search_addr6(&entry->addr, iface); | 450 | ret_val = netlbl_af6list_add(&entry->list, &iface->addr6_list); |
| 520 | if (iter != NULL && | ||
| 521 | (ipv6_addr_equal(&iter->addr, addr) && | ||
| 522 | ipv6_addr_equal(&iter->mask, mask))) { | ||
| 523 | spin_unlock(&netlbl_unlhsh_lock); | ||
| 524 | kfree(entry); | ||
| 525 | return -EEXIST; | ||
| 526 | } | ||
| 527 | /* in order to speed up address searches through the list (the common | ||
| 528 | * case) we need to keep the list in order based on the size of the | ||
| 529 | * address mask such that the entry with the widest mask (smallest | ||
| 530 | * numerical value) appears first in the list */ | ||
| 531 | list_for_each_entry_rcu(iter, &iface->addr6_list, list) | ||
| 532 | if (iter->valid && | ||
| 533 | ipv6_addr_cmp(&entry->mask, &iter->mask) > 0) { | ||
| 534 | __list_add_rcu(&entry->list, | ||
| 535 | iter->list.prev, | ||
| 536 | &iter->list); | ||
| 537 | spin_unlock(&netlbl_unlhsh_lock); | ||
| 538 | return 0; | ||
| 539 | } | ||
| 540 | list_add_tail_rcu(&entry->list, &iface->addr6_list); | ||
| 541 | spin_unlock(&netlbl_unlhsh_lock); | 451 | spin_unlock(&netlbl_unlhsh_lock); |
| 452 | |||
| 453 | if (ret_val != 0) | ||
| 454 | kfree(entry); | ||
| 542 | return 0; | 455 | return 0; |
| 543 | } | 456 | } |
| 544 | #endif /* IPv6 */ | 457 | #endif /* IPv6 */ |
| @@ -719,22 +632,21 @@ static int netlbl_unlhsh_remove_addr4(struct net *net, | |||
| 719 | const struct in_addr *mask, | 632 | const struct in_addr *mask, |
| 720 | struct netlbl_audit *audit_info) | 633 | struct netlbl_audit *audit_info) |
| 721 | { | 634 | { |
| 722 | int ret_val = -ENOENT; | 635 | int ret_val = 0; |
| 636 | struct netlbl_af4list *list_entry; | ||
| 723 | struct netlbl_unlhsh_addr4 *entry; | 637 | struct netlbl_unlhsh_addr4 *entry; |
| 724 | struct audit_buffer *audit_buf = NULL; | 638 | struct audit_buffer *audit_buf; |
| 725 | struct net_device *dev; | 639 | struct net_device *dev; |
| 726 | char *secctx = NULL; | 640 | char *secctx; |
| 727 | u32 secctx_len; | 641 | u32 secctx_len; |
| 728 | 642 | ||
| 729 | spin_lock(&netlbl_unlhsh_lock); | 643 | spin_lock(&netlbl_unlhsh_lock); |
| 730 | entry = netlbl_unlhsh_search_addr4(addr->s_addr, iface); | 644 | list_entry = netlbl_af4list_remove(addr->s_addr, mask->s_addr, |
| 731 | if (entry != NULL && | 645 | &iface->addr4_list); |
| 732 | entry->addr == addr->s_addr && entry->mask == mask->s_addr) { | ||
| 733 | entry->valid = 0; | ||
| 734 | list_del_rcu(&entry->list); | ||
| 735 | ret_val = 0; | ||
| 736 | } | ||
| 737 | spin_unlock(&netlbl_unlhsh_lock); | 646 | spin_unlock(&netlbl_unlhsh_lock); |
| 647 | if (list_entry == NULL) | ||
| 648 | ret_val = -ENOENT; | ||
| 649 | entry = netlbl_unlhsh_addr4_entry(list_entry); | ||
| 738 | 650 | ||
| 739 | audit_buf = netlbl_audit_start_common(AUDIT_MAC_UNLBL_STCDEL, | 651 | audit_buf = netlbl_audit_start_common(AUDIT_MAC_UNLBL_STCDEL, |
| 740 | audit_info); | 652 | audit_info); |
| @@ -742,12 +654,12 @@ static int netlbl_unlhsh_remove_addr4(struct net *net, | |||
| 742 | dev = dev_get_by_index(net, iface->ifindex); | 654 | dev = dev_get_by_index(net, iface->ifindex); |
| 743 | netlbl_unlabel_audit_addr4(audit_buf, | 655 | netlbl_unlabel_audit_addr4(audit_buf, |
| 744 | (dev != NULL ? dev->name : NULL), | 656 | (dev != NULL ? dev->name : NULL), |
| 745 | entry->addr, entry->mask); | 657 | addr->s_addr, mask->s_addr); |
| 746 | if (dev != NULL) | 658 | if (dev != NULL) |
| 747 | dev_put(dev); | 659 | dev_put(dev); |
| 748 | if (security_secid_to_secctx(entry->secid, | 660 | if (entry && security_secid_to_secctx(entry->secid, |
| 749 | &secctx, | 661 | &secctx, |
| 750 | &secctx_len) == 0) { | 662 | &secctx_len) == 0) { |
| 751 | audit_log_format(audit_buf, " sec_obj=%s", secctx); | 663 | audit_log_format(audit_buf, " sec_obj=%s", secctx); |
| 752 | security_release_secctx(secctx, secctx_len); | 664 | security_release_secctx(secctx, secctx_len); |
| 753 | } | 665 | } |
| @@ -781,23 +693,20 @@ static int netlbl_unlhsh_remove_addr6(struct net *net, | |||
| 781 | const struct in6_addr *mask, | 693 | const struct in6_addr *mask, |
| 782 | struct netlbl_audit *audit_info) | 694 | struct netlbl_audit *audit_info) |
| 783 | { | 695 | { |
| 784 | int ret_val = -ENOENT; | 696 | int ret_val = 0; |
| 697 | struct netlbl_af6list *list_entry; | ||
| 785 | struct netlbl_unlhsh_addr6 *entry; | 698 | struct netlbl_unlhsh_addr6 *entry; |
| 786 | struct audit_buffer *audit_buf = NULL; | 699 | struct audit_buffer *audit_buf; |
| 787 | struct net_device *dev; | 700 | struct net_device *dev; |
| 788 | char *secctx = NULL; | 701 | char *secctx; |
| 789 | u32 secctx_len; | 702 | u32 secctx_len; |
| 790 | 703 | ||
| 791 | spin_lock(&netlbl_unlhsh_lock); | 704 | spin_lock(&netlbl_unlhsh_lock); |
| 792 | entry = netlbl_unlhsh_search_addr6(addr, iface); | 705 | list_entry = netlbl_af6list_remove(addr, mask, &iface->addr6_list); |
| 793 | if (entry != NULL && | ||
| 794 | (ipv6_addr_equal(&entry->addr, addr) && | ||
| 795 | ipv6_addr_equal(&entry->mask, mask))) { | ||
| 796 | entry->valid = 0; | ||
| 797 | list_del_rcu(&entry->list); | ||
| 798 | ret_val = 0; | ||
| 799 | } | ||
| 800 | spin_unlock(&netlbl_unlhsh_lock); | 706 | spin_unlock(&netlbl_unlhsh_lock); |
| 707 | if (list_entry == NULL) | ||
| 708 | ret_val = -ENOENT; | ||
| 709 | entry = netlbl_unlhsh_addr6_entry(list_entry); | ||
| 801 | 710 | ||
| 802 | audit_buf = netlbl_audit_start_common(AUDIT_MAC_UNLBL_STCDEL, | 711 | audit_buf = netlbl_audit_start_common(AUDIT_MAC_UNLBL_STCDEL, |
| 803 | audit_info); | 712 | audit_info); |
| @@ -808,9 +717,9 @@ static int netlbl_unlhsh_remove_addr6(struct net *net, | |||
| 808 | addr, mask); | 717 | addr, mask); |
| 809 | if (dev != NULL) | 718 | if (dev != NULL) |
| 810 | dev_put(dev); | 719 | dev_put(dev); |
| 811 | if (security_secid_to_secctx(entry->secid, | 720 | if (entry && security_secid_to_secctx(entry->secid, |
| 812 | &secctx, | 721 | &secctx, |
| 813 | &secctx_len) == 0) { | 722 | &secctx_len) == 0) { |
| 814 | audit_log_format(audit_buf, " sec_obj=%s", secctx); | 723 | audit_log_format(audit_buf, " sec_obj=%s", secctx); |
| 815 | security_release_secctx(secctx, secctx_len); | 724 | security_release_secctx(secctx, secctx_len); |
| 816 | } | 725 | } |
| @@ -836,16 +745,18 @@ static int netlbl_unlhsh_remove_addr6(struct net *net, | |||
| 836 | */ | 745 | */ |
| 837 | static void netlbl_unlhsh_condremove_iface(struct netlbl_unlhsh_iface *iface) | 746 | static void netlbl_unlhsh_condremove_iface(struct netlbl_unlhsh_iface *iface) |
| 838 | { | 747 | { |
| 839 | struct netlbl_unlhsh_addr4 *iter4; | 748 | struct netlbl_af4list *iter4; |
| 840 | struct netlbl_unlhsh_addr6 *iter6; | 749 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
| 750 | struct netlbl_af6list *iter6; | ||
| 751 | #endif /* IPv6 */ | ||
| 841 | 752 | ||
| 842 | spin_lock(&netlbl_unlhsh_lock); | 753 | spin_lock(&netlbl_unlhsh_lock); |
| 843 | list_for_each_entry_rcu(iter4, &iface->addr4_list, list) | 754 | netlbl_af4list_foreach_rcu(iter4, &iface->addr4_list) |
| 844 | if (iter4->valid) | 755 | goto unlhsh_condremove_failure; |
| 845 | goto unlhsh_condremove_failure; | 756 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
| 846 | list_for_each_entry_rcu(iter6, &iface->addr6_list, list) | 757 | netlbl_af6list_foreach_rcu(iter6, &iface->addr6_list) |
| 847 | if (iter6->valid) | 758 | goto unlhsh_condremove_failure; |
| 848 | goto unlhsh_condremove_failure; | 759 | #endif /* IPv6 */ |
| 849 | iface->valid = 0; | 760 | iface->valid = 0; |
| 850 | if (iface->ifindex > 0) | 761 | if (iface->ifindex > 0) |
| 851 | list_del_rcu(&iface->list); | 762 | list_del_rcu(&iface->list); |
| @@ -1349,7 +1260,7 @@ static int netlbl_unlabel_staticlist_gen(u32 cmd, | |||
| 1349 | if (addr4) { | 1260 | if (addr4) { |
| 1350 | struct in_addr addr_struct; | 1261 | struct in_addr addr_struct; |
| 1351 | 1262 | ||
| 1352 | addr_struct.s_addr = addr4->addr; | 1263 | addr_struct.s_addr = addr4->list.addr; |
| 1353 | ret_val = nla_put(cb_arg->skb, | 1264 | ret_val = nla_put(cb_arg->skb, |
| 1354 | NLBL_UNLABEL_A_IPV4ADDR, | 1265 | NLBL_UNLABEL_A_IPV4ADDR, |
| 1355 | sizeof(struct in_addr), | 1266 | sizeof(struct in_addr), |
| @@ -1357,7 +1268,7 @@ static int netlbl_unlabel_staticlist_gen(u32 cmd, | |||
| 1357 | if (ret_val != 0) | 1268 | if (ret_val != 0) |
| 1358 | goto list_cb_failure; | 1269 | goto list_cb_failure; |
| 1359 | 1270 | ||
| 1360 | addr_struct.s_addr = addr4->mask; | 1271 | addr_struct.s_addr = addr4->list.mask; |
| 1361 | ret_val = nla_put(cb_arg->skb, | 1272 | ret_val = nla_put(cb_arg->skb, |
| 1362 | NLBL_UNLABEL_A_IPV4MASK, | 1273 | NLBL_UNLABEL_A_IPV4MASK, |
| 1363 | sizeof(struct in_addr), | 1274 | sizeof(struct in_addr), |
| @@ -1370,14 +1281,14 @@ static int netlbl_unlabel_staticlist_gen(u32 cmd, | |||
| 1370 | ret_val = nla_put(cb_arg->skb, | 1281 | ret_val = nla_put(cb_arg->skb, |
| 1371 | NLBL_UNLABEL_A_IPV6ADDR, | 1282 | NLBL_UNLABEL_A_IPV6ADDR, |
| 1372 | sizeof(struct in6_addr), | 1283 | sizeof(struct in6_addr), |
| 1373 | &addr6->addr); | 1284 | &addr6->list.addr); |
| 1374 | if (ret_val != 0) | 1285 | if (ret_val != 0) |
| 1375 | goto list_cb_failure; | 1286 | goto list_cb_failure; |
| 1376 | 1287 | ||
| 1377 | ret_val = nla_put(cb_arg->skb, | 1288 | ret_val = nla_put(cb_arg->skb, |
| 1378 | NLBL_UNLABEL_A_IPV6MASK, | 1289 | NLBL_UNLABEL_A_IPV6MASK, |
| 1379 | sizeof(struct in6_addr), | 1290 | sizeof(struct in6_addr), |
| 1380 | &addr6->mask); | 1291 | &addr6->list.mask); |
| 1381 | if (ret_val != 0) | 1292 | if (ret_val != 0) |
| 1382 | goto list_cb_failure; | 1293 | goto list_cb_failure; |
| 1383 | 1294 | ||
| @@ -1425,9 +1336,11 @@ static int netlbl_unlabel_staticlist(struct sk_buff *skb, | |||
| 1425 | u32 iter_bkt; | 1336 | u32 iter_bkt; |
| 1426 | u32 iter_chain = 0, iter_addr4 = 0, iter_addr6 = 0; | 1337 | u32 iter_chain = 0, iter_addr4 = 0, iter_addr6 = 0; |
| 1427 | struct netlbl_unlhsh_iface *iface; | 1338 | struct netlbl_unlhsh_iface *iface; |
| 1428 | struct netlbl_unlhsh_addr4 *addr4; | ||
| 1429 | struct netlbl_unlhsh_addr6 *addr6; | ||
| 1430 | struct list_head *iter_list; | 1339 | struct list_head *iter_list; |
| 1340 | struct netlbl_af4list *addr4; | ||
| 1341 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) | ||
| 1342 | struct netlbl_af6list *addr6; | ||
| 1343 | #endif | ||
| 1431 | 1344 | ||
| 1432 | cb_arg.nl_cb = cb; | 1345 | cb_arg.nl_cb = cb; |
| 1433 | cb_arg.skb = skb; | 1346 | cb_arg.skb = skb; |
| @@ -1442,38 +1355,38 @@ static int netlbl_unlabel_staticlist(struct sk_buff *skb, | |||
| 1442 | if (!iface->valid || | 1355 | if (!iface->valid || |
| 1443 | iter_chain++ < skip_chain) | 1356 | iter_chain++ < skip_chain) |
| 1444 | continue; | 1357 | continue; |
| 1445 | list_for_each_entry_rcu(addr4, | 1358 | netlbl_af4list_foreach_rcu(addr4, |
| 1446 | &iface->addr4_list, | 1359 | &iface->addr4_list) { |
| 1447 | list) { | 1360 | if (iter_addr4++ < skip_addr4) |
| 1448 | if (!addr4->valid || iter_addr4++ < skip_addr4) | ||
| 1449 | continue; | 1361 | continue; |
| 1450 | if (netlbl_unlabel_staticlist_gen( | 1362 | if (netlbl_unlabel_staticlist_gen( |
| 1451 | NLBL_UNLABEL_C_STATICLIST, | 1363 | NLBL_UNLABEL_C_STATICLIST, |
| 1452 | iface, | 1364 | iface, |
| 1453 | addr4, | 1365 | netlbl_unlhsh_addr4_entry(addr4), |
| 1454 | NULL, | 1366 | NULL, |
| 1455 | &cb_arg) < 0) { | 1367 | &cb_arg) < 0) { |
| 1456 | iter_addr4--; | 1368 | iter_addr4--; |
| 1457 | iter_chain--; | 1369 | iter_chain--; |
| 1458 | goto unlabel_staticlist_return; | 1370 | goto unlabel_staticlist_return; |
| 1459 | } | 1371 | } |
| 1460 | } | 1372 | } |
| 1461 | list_for_each_entry_rcu(addr6, | 1373 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
| 1462 | &iface->addr6_list, | 1374 | netlbl_af6list_foreach_rcu(addr6, |
| 1463 | list) { | 1375 | &iface->addr6_list) { |
| 1464 | if (!addr6->valid || iter_addr6++ < skip_addr6) | 1376 | if (iter_addr6++ < skip_addr6) |
| 1465 | continue; | 1377 | continue; |
| 1466 | if (netlbl_unlabel_staticlist_gen( | 1378 | if (netlbl_unlabel_staticlist_gen( |
| 1467 | NLBL_UNLABEL_C_STATICLIST, | 1379 | NLBL_UNLABEL_C_STATICLIST, |
| 1468 | iface, | 1380 | iface, |
| 1469 | NULL, | 1381 | NULL, |
| 1470 | addr6, | 1382 | netlbl_unlhsh_addr6_entry(addr6), |
| 1471 | &cb_arg) < 0) { | 1383 | &cb_arg) < 0) { |
| 1472 | iter_addr6--; | 1384 | iter_addr6--; |
| 1473 | iter_chain--; | 1385 | iter_chain--; |
| 1474 | goto unlabel_staticlist_return; | 1386 | goto unlabel_staticlist_return; |
| 1475 | } | 1387 | } |
| 1476 | } | 1388 | } |
| 1389 | #endif /* IPv6 */ | ||
| 1477 | } | 1390 | } |
| 1478 | } | 1391 | } |
| 1479 | 1392 | ||
| @@ -1504,9 +1417,12 @@ static int netlbl_unlabel_staticlistdef(struct sk_buff *skb, | |||
| 1504 | struct netlbl_unlhsh_iface *iface; | 1417 | struct netlbl_unlhsh_iface *iface; |
| 1505 | u32 skip_addr4 = cb->args[0]; | 1418 | u32 skip_addr4 = cb->args[0]; |
| 1506 | u32 skip_addr6 = cb->args[1]; | 1419 | u32 skip_addr6 = cb->args[1]; |
| 1507 | u32 iter_addr4 = 0, iter_addr6 = 0; | 1420 | u32 iter_addr4 = 0; |
| 1508 | struct netlbl_unlhsh_addr4 *addr4; | 1421 | struct netlbl_af4list *addr4; |
| 1509 | struct netlbl_unlhsh_addr6 *addr6; | 1422 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
| 1423 | u32 iter_addr6 = 0; | ||
| 1424 | struct netlbl_af6list *addr6; | ||
| 1425 | #endif | ||
| 1510 | 1426 | ||
| 1511 | cb_arg.nl_cb = cb; | 1427 | cb_arg.nl_cb = cb; |
| 1512 | cb_arg.skb = skb; | 1428 | cb_arg.skb = skb; |
| @@ -1517,30 +1433,32 @@ static int netlbl_unlabel_staticlistdef(struct sk_buff *skb, | |||
| 1517 | if (iface == NULL || !iface->valid) | 1433 | if (iface == NULL || !iface->valid) |
| 1518 | goto unlabel_staticlistdef_return; | 1434 | goto unlabel_staticlistdef_return; |
| 1519 | 1435 | ||
| 1520 | list_for_each_entry_rcu(addr4, &iface->addr4_list, list) { | 1436 | netlbl_af4list_foreach_rcu(addr4, &iface->addr4_list) { |
| 1521 | if (!addr4->valid || iter_addr4++ < skip_addr4) | 1437 | if (iter_addr4++ < skip_addr4) |
| 1522 | continue; | 1438 | continue; |
| 1523 | if (netlbl_unlabel_staticlist_gen(NLBL_UNLABEL_C_STATICLISTDEF, | 1439 | if (netlbl_unlabel_staticlist_gen(NLBL_UNLABEL_C_STATICLISTDEF, |
| 1524 | iface, | 1440 | iface, |
| 1525 | addr4, | 1441 | netlbl_unlhsh_addr4_entry(addr4), |
| 1526 | NULL, | 1442 | NULL, |
| 1527 | &cb_arg) < 0) { | 1443 | &cb_arg) < 0) { |
| 1528 | iter_addr4--; | 1444 | iter_addr4--; |
| 1529 | goto unlabel_staticlistdef_return; | 1445 | goto unlabel_staticlistdef_return; |
| 1530 | } | 1446 | } |
| 1531 | } | 1447 | } |
| 1532 | list_for_each_entry_rcu(addr6, &iface->addr6_list, list) { | 1448 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
| 1533 | if (!addr6->valid || iter_addr6++ < skip_addr6) | 1449 | netlbl_af6list_foreach_rcu(addr6, &iface->addr6_list) { |
| 1450 | if (iter_addr6++ < skip_addr6) | ||
| 1534 | continue; | 1451 | continue; |
| 1535 | if (netlbl_unlabel_staticlist_gen(NLBL_UNLABEL_C_STATICLISTDEF, | 1452 | if (netlbl_unlabel_staticlist_gen(NLBL_UNLABEL_C_STATICLISTDEF, |
| 1536 | iface, | 1453 | iface, |
| 1537 | NULL, | 1454 | NULL, |
| 1538 | addr6, | 1455 | netlbl_unlhsh_addr6_entry(addr6), |
| 1539 | &cb_arg) < 0) { | 1456 | &cb_arg) < 0) { |
| 1540 | iter_addr6--; | 1457 | iter_addr6--; |
| 1541 | goto unlabel_staticlistdef_return; | 1458 | goto unlabel_staticlistdef_return; |
| 1542 | } | 1459 | } |
| 1543 | } | 1460 | } |
| 1461 | #endif /* IPv6 */ | ||
| 1544 | 1462 | ||
| 1545 | unlabel_staticlistdef_return: | 1463 | unlabel_staticlistdef_return: |
| 1546 | rcu_read_unlock(); | 1464 | rcu_read_unlock(); |
| @@ -1718,25 +1636,27 @@ int netlbl_unlabel_getattr(const struct sk_buff *skb, | |||
| 1718 | switch (family) { | 1636 | switch (family) { |
| 1719 | case PF_INET: { | 1637 | case PF_INET: { |
| 1720 | struct iphdr *hdr4; | 1638 | struct iphdr *hdr4; |
| 1721 | struct netlbl_unlhsh_addr4 *addr4; | 1639 | struct netlbl_af4list *addr4; |
| 1722 | 1640 | ||
| 1723 | hdr4 = ip_hdr(skb); | 1641 | hdr4 = ip_hdr(skb); |
| 1724 | addr4 = netlbl_unlhsh_search_addr4(hdr4->saddr, iface); | 1642 | addr4 = netlbl_af4list_search(hdr4->saddr, |
| 1643 | &iface->addr4_list); | ||
| 1725 | if (addr4 == NULL) | 1644 | if (addr4 == NULL) |
| 1726 | goto unlabel_getattr_nolabel; | 1645 | goto unlabel_getattr_nolabel; |
| 1727 | secattr->attr.secid = addr4->secid; | 1646 | secattr->attr.secid = netlbl_unlhsh_addr4_entry(addr4)->secid; |
| 1728 | break; | 1647 | break; |
| 1729 | } | 1648 | } |
| 1730 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) | 1649 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
| 1731 | case PF_INET6: { | 1650 | case PF_INET6: { |
| 1732 | struct ipv6hdr *hdr6; | 1651 | struct ipv6hdr *hdr6; |
| 1733 | struct netlbl_unlhsh_addr6 *addr6; | 1652 | struct netlbl_af6list *addr6; |
| 1734 | 1653 | ||
| 1735 | hdr6 = ipv6_hdr(skb); | 1654 | hdr6 = ipv6_hdr(skb); |
| 1736 | addr6 = netlbl_unlhsh_search_addr6(&hdr6->saddr, iface); | 1655 | addr6 = netlbl_af6list_search(&hdr6->saddr, |
| 1656 | &iface->addr6_list); | ||
| 1737 | if (addr6 == NULL) | 1657 | if (addr6 == NULL) |
| 1738 | goto unlabel_getattr_nolabel; | 1658 | goto unlabel_getattr_nolabel; |
| 1739 | secattr->attr.secid = addr6->secid; | 1659 | secattr->attr.secid = netlbl_unlhsh_addr6_entry(addr6)->secid; |
| 1740 | break; | 1660 | break; |
| 1741 | } | 1661 | } |
| 1742 | #endif /* IPv6 */ | 1662 | #endif /* IPv6 */ |
