diff options
-rw-r--r-- | include/net/cipso_ipv4.h | 6 | ||||
-rw-r--r-- | include/net/netlabel.h | 86 | ||||
-rw-r--r-- | net/ipv4/cipso_ipv4.c | 86 | ||||
-rw-r--r-- | net/netlabel/netlabel_cipso_v4.c | 61 | ||||
-rw-r--r-- | net/netlabel/netlabel_domainhash.c | 67 | ||||
-rw-r--r-- | net/netlabel/netlabel_domainhash.h | 4 | ||||
-rw-r--r-- | net/netlabel/netlabel_kapi.c | 347 | ||||
-rw-r--r-- | net/netlabel/netlabel_unlabeled.c | 26 | ||||
-rw-r--r-- | net/netlabel/netlabel_unlabeled.h | 15 | ||||
-rw-r--r-- | security/smack/smackfs.c | 21 |
10 files changed, 569 insertions, 150 deletions
diff --git a/include/net/cipso_ipv4.h b/include/net/cipso_ipv4.h index 9909774eb998..bedc7f62e35d 100644 --- a/include/net/cipso_ipv4.h +++ b/include/net/cipso_ipv4.h | |||
@@ -131,7 +131,8 @@ extern int cipso_v4_rbm_strictvalid; | |||
131 | */ | 131 | */ |
132 | 132 | ||
133 | #ifdef CONFIG_NETLABEL | 133 | #ifdef CONFIG_NETLABEL |
134 | int cipso_v4_doi_add(struct cipso_v4_doi *doi_def); | 134 | int cipso_v4_doi_add(struct cipso_v4_doi *doi_def, |
135 | struct netlbl_audit *audit_info); | ||
135 | void cipso_v4_doi_free(struct cipso_v4_doi *doi_def); | 136 | void cipso_v4_doi_free(struct cipso_v4_doi *doi_def); |
136 | int cipso_v4_doi_remove(u32 doi, struct netlbl_audit *audit_info); | 137 | int cipso_v4_doi_remove(u32 doi, struct netlbl_audit *audit_info); |
137 | struct cipso_v4_doi *cipso_v4_doi_getdef(u32 doi); | 138 | struct cipso_v4_doi *cipso_v4_doi_getdef(u32 doi); |
@@ -140,7 +141,8 @@ int cipso_v4_doi_walk(u32 *skip_cnt, | |||
140 | int (*callback) (struct cipso_v4_doi *doi_def, void *arg), | 141 | int (*callback) (struct cipso_v4_doi *doi_def, void *arg), |
141 | void *cb_arg); | 142 | void *cb_arg); |
142 | #else | 143 | #else |
143 | static inline int cipso_v4_doi_add(struct cipso_v4_doi *doi_def) | 144 | static inline int cipso_v4_doi_add(struct cipso_v4_doi *doi_def, |
145 | struct netlbl_audit *audit_info) | ||
144 | { | 146 | { |
145 | return -ENOSYS; | 147 | return -ENOSYS; |
146 | } | 148 | } |
diff --git a/include/net/netlabel.h b/include/net/netlabel.h index 17c442a4514e..749011eedc0b 100644 --- a/include/net/netlabel.h +++ b/include/net/netlabel.h | |||
@@ -33,6 +33,8 @@ | |||
33 | #include <linux/types.h> | 33 | #include <linux/types.h> |
34 | #include <linux/net.h> | 34 | #include <linux/net.h> |
35 | #include <linux/skbuff.h> | 35 | #include <linux/skbuff.h> |
36 | #include <linux/in.h> | ||
37 | #include <linux/in6.h> | ||
36 | #include <net/netlink.h> | 38 | #include <net/netlink.h> |
37 | #include <asm/atomic.h> | 39 | #include <asm/atomic.h> |
38 | 40 | ||
@@ -353,13 +355,37 @@ static inline void netlbl_secattr_free(struct netlbl_lsm_secattr *secattr) | |||
353 | /* | 355 | /* |
354 | * LSM configuration operations | 356 | * LSM configuration operations |
355 | */ | 357 | */ |
356 | int netlbl_cfg_map_del(const char *domain, struct netlbl_audit *audit_info); | 358 | int netlbl_cfg_map_del(const char *domain, |
357 | int netlbl_cfg_unlbl_add_map(const char *domain, | 359 | u16 family, |
360 | const void *addr, | ||
361 | const void *mask, | ||
362 | struct netlbl_audit *audit_info); | ||
363 | int netlbl_cfg_unlbl_map_add(const char *domain, | ||
364 | u16 family, | ||
365 | const void *addr, | ||
366 | const void *mask, | ||
358 | struct netlbl_audit *audit_info); | 367 | struct netlbl_audit *audit_info); |
359 | int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def, | 368 | int netlbl_cfg_unlbl_static_add(struct net *net, |
369 | const char *dev_name, | ||
370 | const void *addr, | ||
371 | const void *mask, | ||
372 | u16 family, | ||
373 | u32 secid, | ||
374 | struct netlbl_audit *audit_info); | ||
375 | int netlbl_cfg_unlbl_static_del(struct net *net, | ||
376 | const char *dev_name, | ||
377 | const void *addr, | ||
378 | const void *mask, | ||
379 | u16 family, | ||
380 | struct netlbl_audit *audit_info); | ||
381 | int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def, | ||
382 | struct netlbl_audit *audit_info); | ||
383 | void netlbl_cfg_cipsov4_del(u32 doi, struct netlbl_audit *audit_info); | ||
384 | int netlbl_cfg_cipsov4_map_add(u32 doi, | ||
360 | const char *domain, | 385 | const char *domain, |
386 | const struct in_addr *addr, | ||
387 | const struct in_addr *mask, | ||
361 | struct netlbl_audit *audit_info); | 388 | struct netlbl_audit *audit_info); |
362 | |||
363 | /* | 389 | /* |
364 | * LSM security attribute operations | 390 | * LSM security attribute operations |
365 | */ | 391 | */ |
@@ -401,19 +427,62 @@ void netlbl_skbuff_err(struct sk_buff *skb, int error, int gateway); | |||
401 | void netlbl_cache_invalidate(void); | 427 | void netlbl_cache_invalidate(void); |
402 | int netlbl_cache_add(const struct sk_buff *skb, | 428 | int netlbl_cache_add(const struct sk_buff *skb, |
403 | const struct netlbl_lsm_secattr *secattr); | 429 | const struct netlbl_lsm_secattr *secattr); |
430 | |||
431 | /* | ||
432 | * Protocol engine operations | ||
433 | */ | ||
434 | struct audit_buffer *netlbl_audit_start(int type, | ||
435 | struct netlbl_audit *audit_info); | ||
404 | #else | 436 | #else |
405 | static inline int netlbl_cfg_map_del(const char *domain, | 437 | static inline int netlbl_cfg_map_del(const char *domain, |
438 | u16 family, | ||
439 | const void *addr, | ||
440 | const void *mask, | ||
406 | struct netlbl_audit *audit_info) | 441 | struct netlbl_audit *audit_info) |
407 | { | 442 | { |
408 | return -ENOSYS; | 443 | return -ENOSYS; |
409 | } | 444 | } |
410 | static inline int netlbl_cfg_unlbl_add_map(const char *domain, | 445 | static inline int netlbl_cfg_unlbl_map_add(const char *domain, |
446 | u16 family, | ||
447 | void *addr, | ||
448 | void *mask, | ||
411 | struct netlbl_audit *audit_info) | 449 | struct netlbl_audit *audit_info) |
412 | { | 450 | { |
413 | return -ENOSYS; | 451 | return -ENOSYS; |
414 | } | 452 | } |
415 | static inline int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def, | 453 | static inline int netlbl_cfg_unlbl_static_add(struct net *net, |
454 | const char *dev_name, | ||
455 | const void *addr, | ||
456 | const void *mask, | ||
457 | u16 family, | ||
458 | u32 secid, | ||
459 | struct netlbl_audit *audit_info) | ||
460 | { | ||
461 | return -ENOSYS; | ||
462 | } | ||
463 | static inline int netlbl_cfg_unlbl_static_del(struct net *net, | ||
464 | const char *dev_name, | ||
465 | const void *addr, | ||
466 | const void *mask, | ||
467 | u16 family, | ||
468 | struct netlbl_audit *audit_info) | ||
469 | { | ||
470 | return -ENOSYS; | ||
471 | } | ||
472 | static inline int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def, | ||
473 | struct netlbl_audit *audit_info) | ||
474 | { | ||
475 | return -ENOSYS; | ||
476 | } | ||
477 | static inline void netlbl_cfg_cipsov4_del(u32 doi, | ||
478 | struct netlbl_audit *audit_info) | ||
479 | { | ||
480 | return; | ||
481 | } | ||
482 | static inline int netlbl_cfg_cipsov4_map_add(u32 doi, | ||
416 | const char *domain, | 483 | const char *domain, |
484 | const struct in_addr *addr, | ||
485 | const struct in_addr *mask, | ||
417 | struct netlbl_audit *audit_info) | 486 | struct netlbl_audit *audit_info) |
418 | { | 487 | { |
419 | return -ENOSYS; | 488 | return -ENOSYS; |
@@ -495,6 +564,11 @@ static inline int netlbl_cache_add(const struct sk_buff *skb, | |||
495 | { | 564 | { |
496 | return 0; | 565 | return 0; |
497 | } | 566 | } |
567 | static inline struct audit_buffer *netlbl_audit_start(int type, | ||
568 | struct netlbl_audit *audit_info) | ||
569 | { | ||
570 | return NULL; | ||
571 | } | ||
498 | #endif /* CONFIG_NETLABEL */ | 572 | #endif /* CONFIG_NETLABEL */ |
499 | 573 | ||
500 | #endif /* _NETLABEL_H */ | 574 | #endif /* _NETLABEL_H */ |
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index e52799047a5f..6bb2635b5ded 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c | |||
@@ -38,6 +38,7 @@ | |||
38 | #include <linux/spinlock.h> | 38 | #include <linux/spinlock.h> |
39 | #include <linux/string.h> | 39 | #include <linux/string.h> |
40 | #include <linux/jhash.h> | 40 | #include <linux/jhash.h> |
41 | #include <linux/audit.h> | ||
41 | #include <net/ip.h> | 42 | #include <net/ip.h> |
42 | #include <net/icmp.h> | 43 | #include <net/icmp.h> |
43 | #include <net/tcp.h> | 44 | #include <net/tcp.h> |
@@ -449,6 +450,7 @@ static struct cipso_v4_doi *cipso_v4_doi_search(u32 doi) | |||
449 | /** | 450 | /** |
450 | * cipso_v4_doi_add - Add a new DOI to the CIPSO protocol engine | 451 | * cipso_v4_doi_add - Add a new DOI to the CIPSO protocol engine |
451 | * @doi_def: the DOI structure | 452 | * @doi_def: the DOI structure |
453 | * @audit_info: NetLabel audit information | ||
452 | * | 454 | * |
453 | * Description: | 455 | * Description: |
454 | * The caller defines a new DOI for use by the CIPSO engine and calls this | 456 | * The caller defines a new DOI for use by the CIPSO engine and calls this |
@@ -458,50 +460,78 @@ static struct cipso_v4_doi *cipso_v4_doi_search(u32 doi) | |||
458 | * zero on success and non-zero on failure. | 460 | * zero on success and non-zero on failure. |
459 | * | 461 | * |
460 | */ | 462 | */ |
461 | int cipso_v4_doi_add(struct cipso_v4_doi *doi_def) | 463 | int cipso_v4_doi_add(struct cipso_v4_doi *doi_def, |
464 | struct netlbl_audit *audit_info) | ||
462 | { | 465 | { |
466 | int ret_val = -EINVAL; | ||
463 | u32 iter; | 467 | u32 iter; |
468 | u32 doi; | ||
469 | u32 doi_type; | ||
470 | struct audit_buffer *audit_buf; | ||
471 | |||
472 | doi = doi_def->doi; | ||
473 | doi_type = doi_def->type; | ||
464 | 474 | ||
465 | if (doi_def == NULL || doi_def->doi == CIPSO_V4_DOI_UNKNOWN) | 475 | if (doi_def == NULL || doi_def->doi == CIPSO_V4_DOI_UNKNOWN) |
466 | return -EINVAL; | 476 | goto doi_add_return; |
467 | for (iter = 0; iter < CIPSO_V4_TAG_MAXCNT; iter++) { | 477 | for (iter = 0; iter < CIPSO_V4_TAG_MAXCNT; iter++) { |
468 | switch (doi_def->tags[iter]) { | 478 | switch (doi_def->tags[iter]) { |
469 | case CIPSO_V4_TAG_RBITMAP: | 479 | case CIPSO_V4_TAG_RBITMAP: |
470 | break; | 480 | break; |
471 | case CIPSO_V4_TAG_RANGE: | 481 | case CIPSO_V4_TAG_RANGE: |
472 | if (doi_def->type != CIPSO_V4_MAP_PASS) | ||
473 | return -EINVAL; | ||
474 | break; | ||
475 | case CIPSO_V4_TAG_INVALID: | ||
476 | if (iter == 0) | ||
477 | return -EINVAL; | ||
478 | break; | ||
479 | case CIPSO_V4_TAG_ENUM: | 482 | case CIPSO_V4_TAG_ENUM: |
480 | if (doi_def->type != CIPSO_V4_MAP_PASS) | 483 | if (doi_def->type != CIPSO_V4_MAP_PASS) |
481 | return -EINVAL; | 484 | goto doi_add_return; |
482 | break; | 485 | break; |
483 | case CIPSO_V4_TAG_LOCAL: | 486 | case CIPSO_V4_TAG_LOCAL: |
484 | if (doi_def->type != CIPSO_V4_MAP_LOCAL) | 487 | if (doi_def->type != CIPSO_V4_MAP_LOCAL) |
485 | return -EINVAL; | 488 | goto doi_add_return; |
489 | break; | ||
490 | case CIPSO_V4_TAG_INVALID: | ||
491 | if (iter == 0) | ||
492 | goto doi_add_return; | ||
486 | break; | 493 | break; |
487 | default: | 494 | default: |
488 | return -EINVAL; | 495 | goto doi_add_return; |
489 | } | 496 | } |
490 | } | 497 | } |
491 | 498 | ||
492 | atomic_set(&doi_def->refcount, 1); | 499 | atomic_set(&doi_def->refcount, 1); |
493 | 500 | ||
494 | spin_lock(&cipso_v4_doi_list_lock); | 501 | spin_lock(&cipso_v4_doi_list_lock); |
495 | if (cipso_v4_doi_search(doi_def->doi) != NULL) | 502 | if (cipso_v4_doi_search(doi_def->doi) != NULL) { |
496 | goto doi_add_failure; | 503 | spin_unlock(&cipso_v4_doi_list_lock); |
504 | ret_val = -EEXIST; | ||
505 | goto doi_add_return; | ||
506 | } | ||
497 | list_add_tail_rcu(&doi_def->list, &cipso_v4_doi_list); | 507 | list_add_tail_rcu(&doi_def->list, &cipso_v4_doi_list); |
498 | spin_unlock(&cipso_v4_doi_list_lock); | 508 | spin_unlock(&cipso_v4_doi_list_lock); |
509 | ret_val = 0; | ||
499 | 510 | ||
500 | return 0; | 511 | doi_add_return: |
512 | audit_buf = netlbl_audit_start(AUDIT_MAC_CIPSOV4_ADD, audit_info); | ||
513 | if (audit_buf != NULL) { | ||
514 | const char *type_str; | ||
515 | switch (doi_type) { | ||
516 | case CIPSO_V4_MAP_TRANS: | ||
517 | type_str = "trans"; | ||
518 | break; | ||
519 | case CIPSO_V4_MAP_PASS: | ||
520 | type_str = "pass"; | ||
521 | break; | ||
522 | case CIPSO_V4_MAP_LOCAL: | ||
523 | type_str = "local"; | ||
524 | break; | ||
525 | default: | ||
526 | type_str = "(unknown)"; | ||
527 | } | ||
528 | audit_log_format(audit_buf, | ||
529 | " cipso_doi=%u cipso_type=%s res=%u", | ||
530 | doi, type_str, ret_val == 0 ? 1 : 0); | ||
531 | audit_log_end(audit_buf); | ||
532 | } | ||
501 | 533 | ||
502 | doi_add_failure: | 534 | return ret_val; |
503 | spin_unlock(&cipso_v4_doi_list_lock); | ||
504 | return -EEXIST; | ||
505 | } | 535 | } |
506 | 536 | ||
507 | /** | 537 | /** |
@@ -559,25 +589,39 @@ static void cipso_v4_doi_free_rcu(struct rcu_head *entry) | |||
559 | */ | 589 | */ |
560 | int cipso_v4_doi_remove(u32 doi, struct netlbl_audit *audit_info) | 590 | int cipso_v4_doi_remove(u32 doi, struct netlbl_audit *audit_info) |
561 | { | 591 | { |
592 | int ret_val; | ||
562 | struct cipso_v4_doi *doi_def; | 593 | struct cipso_v4_doi *doi_def; |
594 | struct audit_buffer *audit_buf; | ||
563 | 595 | ||
564 | spin_lock(&cipso_v4_doi_list_lock); | 596 | spin_lock(&cipso_v4_doi_list_lock); |
565 | doi_def = cipso_v4_doi_search(doi); | 597 | doi_def = cipso_v4_doi_search(doi); |
566 | if (doi_def == NULL) { | 598 | if (doi_def == NULL) { |
567 | spin_unlock(&cipso_v4_doi_list_lock); | 599 | spin_unlock(&cipso_v4_doi_list_lock); |
568 | return -ENOENT; | 600 | ret_val = -ENOENT; |
601 | goto doi_remove_return; | ||
569 | } | 602 | } |
570 | if (!atomic_dec_and_test(&doi_def->refcount)) { | 603 | if (!atomic_dec_and_test(&doi_def->refcount)) { |
571 | spin_unlock(&cipso_v4_doi_list_lock); | 604 | spin_unlock(&cipso_v4_doi_list_lock); |
572 | return -EBUSY; | 605 | ret_val = -EBUSY; |
606 | goto doi_remove_return; | ||
573 | } | 607 | } |
574 | list_del_rcu(&doi_def->list); | 608 | list_del_rcu(&doi_def->list); |
575 | spin_unlock(&cipso_v4_doi_list_lock); | 609 | spin_unlock(&cipso_v4_doi_list_lock); |
576 | 610 | ||
577 | cipso_v4_cache_invalidate(); | 611 | cipso_v4_cache_invalidate(); |
578 | call_rcu(&doi_def->rcu, cipso_v4_doi_free_rcu); | 612 | call_rcu(&doi_def->rcu, cipso_v4_doi_free_rcu); |
613 | ret_val = 0; | ||
614 | |||
615 | doi_remove_return: | ||
616 | audit_buf = netlbl_audit_start(AUDIT_MAC_CIPSOV4_DEL, audit_info); | ||
617 | if (audit_buf != NULL) { | ||
618 | audit_log_format(audit_buf, | ||
619 | " cipso_doi=%u res=%u", | ||
620 | doi, ret_val == 0 ? 1 : 0); | ||
621 | audit_log_end(audit_buf); | ||
622 | } | ||
579 | 623 | ||
580 | return 0; | 624 | return ret_val; |
581 | } | 625 | } |
582 | 626 | ||
583 | /** | 627 | /** |
diff --git a/net/netlabel/netlabel_cipso_v4.c b/net/netlabel/netlabel_cipso_v4.c index fff32b70efa9..bf1ab1a6790d 100644 --- a/net/netlabel/netlabel_cipso_v4.c +++ b/net/netlabel/netlabel_cipso_v4.c | |||
@@ -130,6 +130,7 @@ static int netlbl_cipsov4_add_common(struct genl_info *info, | |||
130 | /** | 130 | /** |
131 | * netlbl_cipsov4_add_std - Adds a CIPSO V4 DOI definition | 131 | * netlbl_cipsov4_add_std - Adds a CIPSO V4 DOI definition |
132 | * @info: the Generic NETLINK info block | 132 | * @info: the Generic NETLINK info block |
133 | * @audit_info: NetLabel audit information | ||
133 | * | 134 | * |
134 | * Description: | 135 | * Description: |
135 | * Create a new CIPSO_V4_MAP_TRANS DOI definition based on the given ADD | 136 | * Create a new CIPSO_V4_MAP_TRANS DOI definition based on the given ADD |
@@ -137,7 +138,8 @@ static int netlbl_cipsov4_add_common(struct genl_info *info, | |||
137 | * non-zero on error. | 138 | * non-zero on error. |
138 | * | 139 | * |
139 | */ | 140 | */ |
140 | static int netlbl_cipsov4_add_std(struct genl_info *info) | 141 | static int netlbl_cipsov4_add_std(struct genl_info *info, |
142 | struct netlbl_audit *audit_info) | ||
141 | { | 143 | { |
142 | int ret_val = -EINVAL; | 144 | int ret_val = -EINVAL; |
143 | struct cipso_v4_doi *doi_def = NULL; | 145 | struct cipso_v4_doi *doi_def = NULL; |
@@ -316,7 +318,7 @@ static int netlbl_cipsov4_add_std(struct genl_info *info) | |||
316 | } | 318 | } |
317 | } | 319 | } |
318 | 320 | ||
319 | ret_val = cipso_v4_doi_add(doi_def); | 321 | ret_val = cipso_v4_doi_add(doi_def, audit_info); |
320 | if (ret_val != 0) | 322 | if (ret_val != 0) |
321 | goto add_std_failure; | 323 | goto add_std_failure; |
322 | return 0; | 324 | return 0; |
@@ -330,6 +332,7 @@ add_std_failure: | |||
330 | /** | 332 | /** |
331 | * netlbl_cipsov4_add_pass - Adds a CIPSO V4 DOI definition | 333 | * netlbl_cipsov4_add_pass - Adds a CIPSO V4 DOI definition |
332 | * @info: the Generic NETLINK info block | 334 | * @info: the Generic NETLINK info block |
335 | * @audit_info: NetLabel audit information | ||
333 | * | 336 | * |
334 | * Description: | 337 | * Description: |
335 | * Create a new CIPSO_V4_MAP_PASS DOI definition based on the given ADD message | 338 | * Create a new CIPSO_V4_MAP_PASS DOI definition based on the given ADD message |
@@ -337,7 +340,8 @@ add_std_failure: | |||
337 | * error. | 340 | * error. |
338 | * | 341 | * |
339 | */ | 342 | */ |
340 | static int netlbl_cipsov4_add_pass(struct genl_info *info) | 343 | static int netlbl_cipsov4_add_pass(struct genl_info *info, |
344 | struct netlbl_audit *audit_info) | ||
341 | { | 345 | { |
342 | int ret_val; | 346 | int ret_val; |
343 | struct cipso_v4_doi *doi_def = NULL; | 347 | struct cipso_v4_doi *doi_def = NULL; |
@@ -354,7 +358,7 @@ static int netlbl_cipsov4_add_pass(struct genl_info *info) | |||
354 | if (ret_val != 0) | 358 | if (ret_val != 0) |
355 | goto add_pass_failure; | 359 | goto add_pass_failure; |
356 | 360 | ||
357 | ret_val = cipso_v4_doi_add(doi_def); | 361 | ret_val = cipso_v4_doi_add(doi_def, audit_info); |
358 | if (ret_val != 0) | 362 | if (ret_val != 0) |
359 | goto add_pass_failure; | 363 | goto add_pass_failure; |
360 | return 0; | 364 | return 0; |
@@ -367,6 +371,7 @@ add_pass_failure: | |||
367 | /** | 371 | /** |
368 | * netlbl_cipsov4_add_local - Adds a CIPSO V4 DOI definition | 372 | * netlbl_cipsov4_add_local - Adds a CIPSO V4 DOI definition |
369 | * @info: the Generic NETLINK info block | 373 | * @info: the Generic NETLINK info block |
374 | * @audit_info: NetLabel audit information | ||
370 | * | 375 | * |
371 | * Description: | 376 | * Description: |
372 | * Create a new CIPSO_V4_MAP_LOCAL DOI definition based on the given ADD | 377 | * Create a new CIPSO_V4_MAP_LOCAL DOI definition based on the given ADD |
@@ -374,7 +379,8 @@ add_pass_failure: | |||
374 | * non-zero on error. | 379 | * non-zero on error. |
375 | * | 380 | * |
376 | */ | 381 | */ |
377 | static int netlbl_cipsov4_add_local(struct genl_info *info) | 382 | static int netlbl_cipsov4_add_local(struct genl_info *info, |
383 | struct netlbl_audit *audit_info) | ||
378 | { | 384 | { |
379 | int ret_val; | 385 | int ret_val; |
380 | struct cipso_v4_doi *doi_def = NULL; | 386 | struct cipso_v4_doi *doi_def = NULL; |
@@ -391,7 +397,7 @@ static int netlbl_cipsov4_add_local(struct genl_info *info) | |||
391 | if (ret_val != 0) | 397 | if (ret_val != 0) |
392 | goto add_local_failure; | 398 | goto add_local_failure; |
393 | 399 | ||
394 | ret_val = cipso_v4_doi_add(doi_def); | 400 | ret_val = cipso_v4_doi_add(doi_def, audit_info); |
395 | if (ret_val != 0) | 401 | if (ret_val != 0) |
396 | goto add_local_failure; | 402 | goto add_local_failure; |
397 | return 0; | 403 | return 0; |
@@ -415,48 +421,31 @@ static int netlbl_cipsov4_add(struct sk_buff *skb, struct genl_info *info) | |||
415 | 421 | ||
416 | { | 422 | { |
417 | int ret_val = -EINVAL; | 423 | int ret_val = -EINVAL; |
418 | u32 type; | ||
419 | u32 doi; | ||
420 | const char *type_str = "(unknown)"; | 424 | const char *type_str = "(unknown)"; |
421 | struct audit_buffer *audit_buf; | ||
422 | struct netlbl_audit audit_info; | 425 | struct netlbl_audit audit_info; |
423 | 426 | ||
424 | if (!info->attrs[NLBL_CIPSOV4_A_DOI] || | 427 | if (!info->attrs[NLBL_CIPSOV4_A_DOI] || |
425 | !info->attrs[NLBL_CIPSOV4_A_MTYPE]) | 428 | !info->attrs[NLBL_CIPSOV4_A_MTYPE]) |
426 | return -EINVAL; | 429 | return -EINVAL; |
427 | 430 | ||
428 | doi = nla_get_u32(info->attrs[NLBL_CIPSOV4_A_DOI]); | ||
429 | netlbl_netlink_auditinfo(skb, &audit_info); | 431 | netlbl_netlink_auditinfo(skb, &audit_info); |
430 | 432 | switch (nla_get_u32(info->attrs[NLBL_CIPSOV4_A_MTYPE])) { | |
431 | type = nla_get_u32(info->attrs[NLBL_CIPSOV4_A_MTYPE]); | ||
432 | switch (type) { | ||
433 | case CIPSO_V4_MAP_TRANS: | 433 | case CIPSO_V4_MAP_TRANS: |
434 | type_str = "trans"; | 434 | type_str = "trans"; |
435 | ret_val = netlbl_cipsov4_add_std(info); | 435 | ret_val = netlbl_cipsov4_add_std(info, &audit_info); |
436 | break; | 436 | break; |
437 | case CIPSO_V4_MAP_PASS: | 437 | case CIPSO_V4_MAP_PASS: |
438 | type_str = "pass"; | 438 | type_str = "pass"; |
439 | ret_val = netlbl_cipsov4_add_pass(info); | 439 | ret_val = netlbl_cipsov4_add_pass(info, &audit_info); |
440 | break; | 440 | break; |
441 | case CIPSO_V4_MAP_LOCAL: | 441 | case CIPSO_V4_MAP_LOCAL: |
442 | type_str = "local"; | 442 | type_str = "local"; |
443 | ret_val = netlbl_cipsov4_add_local(info); | 443 | ret_val = netlbl_cipsov4_add_local(info, &audit_info); |
444 | break; | 444 | break; |
445 | } | 445 | } |
446 | if (ret_val == 0) | 446 | if (ret_val == 0) |
447 | atomic_inc(&netlabel_mgmt_protocount); | 447 | atomic_inc(&netlabel_mgmt_protocount); |
448 | 448 | ||
449 | audit_buf = netlbl_audit_start_common(AUDIT_MAC_CIPSOV4_ADD, | ||
450 | &audit_info); | ||
451 | if (audit_buf != NULL) { | ||
452 | audit_log_format(audit_buf, | ||
453 | " cipso_doi=%u cipso_type=%s res=%u", | ||
454 | doi, | ||
455 | type_str, | ||
456 | ret_val == 0 ? 1 : 0); | ||
457 | audit_log_end(audit_buf); | ||
458 | } | ||
459 | |||
460 | return ret_val; | 449 | return ret_val; |
461 | } | 450 | } |
462 | 451 | ||
@@ -725,9 +714,7 @@ static int netlbl_cipsov4_remove_cb(struct netlbl_dom_map *entry, void *arg) | |||
725 | static int netlbl_cipsov4_remove(struct sk_buff *skb, struct genl_info *info) | 714 | static int netlbl_cipsov4_remove(struct sk_buff *skb, struct genl_info *info) |
726 | { | 715 | { |
727 | int ret_val = -EINVAL; | 716 | int ret_val = -EINVAL; |
728 | u32 doi = 0; | ||
729 | struct netlbl_domhsh_walk_arg cb_arg; | 717 | struct netlbl_domhsh_walk_arg cb_arg; |
730 | struct audit_buffer *audit_buf; | ||
731 | struct netlbl_audit audit_info; | 718 | struct netlbl_audit audit_info; |
732 | u32 skip_bkt = 0; | 719 | u32 skip_bkt = 0; |
733 | u32 skip_chain = 0; | 720 | u32 skip_chain = 0; |
@@ -735,29 +722,17 @@ static int netlbl_cipsov4_remove(struct sk_buff *skb, struct genl_info *info) | |||
735 | if (!info->attrs[NLBL_CIPSOV4_A_DOI]) | 722 | if (!info->attrs[NLBL_CIPSOV4_A_DOI]) |
736 | return -EINVAL; | 723 | return -EINVAL; |
737 | 724 | ||
738 | doi = nla_get_u32(info->attrs[NLBL_CIPSOV4_A_DOI]); | ||
739 | netlbl_netlink_auditinfo(skb, &audit_info); | 725 | netlbl_netlink_auditinfo(skb, &audit_info); |
740 | 726 | cb_arg.doi = nla_get_u32(info->attrs[NLBL_CIPSOV4_A_DOI]); | |
741 | cb_arg.doi = doi; | ||
742 | cb_arg.audit_info = &audit_info; | 727 | cb_arg.audit_info = &audit_info; |
743 | ret_val = netlbl_domhsh_walk(&skip_bkt, &skip_chain, | 728 | ret_val = netlbl_domhsh_walk(&skip_bkt, &skip_chain, |
744 | netlbl_cipsov4_remove_cb, &cb_arg); | 729 | netlbl_cipsov4_remove_cb, &cb_arg); |
745 | if (ret_val == 0 || ret_val == -ENOENT) { | 730 | if (ret_val == 0 || ret_val == -ENOENT) { |
746 | ret_val = cipso_v4_doi_remove(doi, &audit_info); | 731 | ret_val = cipso_v4_doi_remove(cb_arg.doi, &audit_info); |
747 | if (ret_val == 0) | 732 | if (ret_val == 0) |
748 | atomic_dec(&netlabel_mgmt_protocount); | 733 | atomic_dec(&netlabel_mgmt_protocount); |
749 | } | 734 | } |
750 | 735 | ||
751 | audit_buf = netlbl_audit_start_common(AUDIT_MAC_CIPSOV4_DEL, | ||
752 | &audit_info); | ||
753 | if (audit_buf != NULL) { | ||
754 | audit_log_format(audit_buf, | ||
755 | " cipso_doi=%u res=%u", | ||
756 | doi, | ||
757 | ret_val == 0 ? 1 : 0); | ||
758 | audit_log_end(audit_buf); | ||
759 | } | ||
760 | |||
761 | return ret_val; | 736 | return ret_val; |
762 | } | 737 | } |
763 | 738 | ||
diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c index 5fadf10e5ddf..7a10bbe02c13 100644 --- a/net/netlabel/netlabel_domainhash.c +++ b/net/netlabel/netlabel_domainhash.c | |||
@@ -483,6 +483,73 @@ int netlbl_domhsh_remove_entry(struct netlbl_dom_map *entry, | |||
483 | } | 483 | } |
484 | 484 | ||
485 | /** | 485 | /** |
486 | * netlbl_domhsh_remove_af4 - Removes an address selector entry | ||
487 | * @domain: the domain | ||
488 | * @addr: IPv4 address | ||
489 | * @mask: IPv4 address mask | ||
490 | * @audit_info: NetLabel audit information | ||
491 | * | ||
492 | * Description: | ||
493 | * Removes an individual address selector from a domain mapping and potentially | ||
494 | * the entire mapping if it is empty. Returns zero on success, negative values | ||
495 | * on failure. | ||
496 | * | ||
497 | */ | ||
498 | int netlbl_domhsh_remove_af4(const char *domain, | ||
499 | const struct in_addr *addr, | ||
500 | const struct in_addr *mask, | ||
501 | struct netlbl_audit *audit_info) | ||
502 | { | ||
503 | struct netlbl_dom_map *entry_map; | ||
504 | struct netlbl_af4list *entry_addr; | ||
505 | struct netlbl_af4list *iter4; | ||
506 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) | ||
507 | struct netlbl_af6list *iter6; | ||
508 | #endif /* IPv6 */ | ||
509 | struct netlbl_domaddr4_map *entry; | ||
510 | |||
511 | rcu_read_lock(); | ||
512 | |||
513 | if (domain) | ||
514 | entry_map = netlbl_domhsh_search(domain); | ||
515 | else | ||
516 | entry_map = netlbl_domhsh_search_def(domain); | ||
517 | if (entry_map == NULL || entry_map->type != NETLBL_NLTYPE_ADDRSELECT) | ||
518 | goto remove_af4_failure; | ||
519 | |||
520 | spin_lock(&netlbl_domhsh_lock); | ||
521 | entry_addr = netlbl_af4list_remove(addr->s_addr, mask->s_addr, | ||
522 | &entry_map->type_def.addrsel->list4); | ||
523 | spin_unlock(&netlbl_domhsh_lock); | ||
524 | |||
525 | if (entry_addr == NULL) | ||
526 | goto remove_af4_failure; | ||
527 | netlbl_af4list_foreach_rcu(iter4, &entry_map->type_def.addrsel->list4) | ||
528 | goto remove_af4_single_addr; | ||
529 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) | ||
530 | netlbl_af6list_foreach_rcu(iter6, &entry_map->type_def.addrsel->list6) | ||
531 | goto remove_af4_single_addr; | ||
532 | #endif /* IPv6 */ | ||
533 | /* the domain mapping is empty so remove it from the mapping table */ | ||
534 | netlbl_domhsh_remove_entry(entry_map, audit_info); | ||
535 | |||
536 | remove_af4_single_addr: | ||
537 | rcu_read_unlock(); | ||
538 | /* yick, we can't use call_rcu here because we don't have a rcu head | ||
539 | * pointer but hopefully this should be a rare case so the pause | ||
540 | * shouldn't be a problem */ | ||
541 | synchronize_rcu(); | ||
542 | entry = netlbl_domhsh_addr4_entry(entry_addr); | ||
543 | cipso_v4_doi_putdef(entry->type_def.cipsov4); | ||
544 | kfree(entry); | ||
545 | return 0; | ||
546 | |||
547 | remove_af4_failure: | ||
548 | rcu_read_unlock(); | ||
549 | return -ENOENT; | ||
550 | } | ||
551 | |||
552 | /** | ||
486 | * netlbl_domhsh_remove - Removes an entry from the domain hash table | 553 | * netlbl_domhsh_remove - Removes an entry from the domain hash table |
487 | * @domain: the domain to remove | 554 | * @domain: the domain to remove |
488 | * @audit_info: NetLabel audit information | 555 | * @audit_info: NetLabel audit information |
diff --git a/net/netlabel/netlabel_domainhash.h b/net/netlabel/netlabel_domainhash.h index bfcb6763a1a1..0261dda3f2d2 100644 --- a/net/netlabel/netlabel_domainhash.h +++ b/net/netlabel/netlabel_domainhash.h | |||
@@ -90,6 +90,10 @@ int netlbl_domhsh_add_default(struct netlbl_dom_map *entry, | |||
90 | struct netlbl_audit *audit_info); | 90 | struct netlbl_audit *audit_info); |
91 | int netlbl_domhsh_remove_entry(struct netlbl_dom_map *entry, | 91 | int netlbl_domhsh_remove_entry(struct netlbl_dom_map *entry, |
92 | struct netlbl_audit *audit_info); | 92 | struct netlbl_audit *audit_info); |
93 | int netlbl_domhsh_remove_af4(const char *domain, | ||
94 | const struct in_addr *addr, | ||
95 | const struct in_addr *mask, | ||
96 | struct netlbl_audit *audit_info); | ||
93 | int netlbl_domhsh_remove(const char *domain, struct netlbl_audit *audit_info); | 97 | int netlbl_domhsh_remove(const char *domain, struct netlbl_audit *audit_info); |
94 | int netlbl_domhsh_remove_default(struct netlbl_audit *audit_info); | 98 | int netlbl_domhsh_remove_default(struct netlbl_audit *audit_info); |
95 | struct netlbl_dom_map *netlbl_domhsh_getentry(const char *domain); | 99 | struct netlbl_dom_map *netlbl_domhsh_getentry(const char *domain); |
diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c index b32eceb3ab0d..fd9229db075c 100644 --- a/net/netlabel/netlabel_kapi.c +++ b/net/netlabel/netlabel_kapi.c | |||
@@ -31,7 +31,10 @@ | |||
31 | #include <linux/init.h> | 31 | #include <linux/init.h> |
32 | #include <linux/types.h> | 32 | #include <linux/types.h> |
33 | #include <linux/audit.h> | 33 | #include <linux/audit.h> |
34 | #include <linux/in.h> | ||
35 | #include <linux/in6.h> | ||
34 | #include <net/ip.h> | 36 | #include <net/ip.h> |
37 | #include <net/ipv6.h> | ||
35 | #include <net/netlabel.h> | 38 | #include <net/netlabel.h> |
36 | #include <net/cipso_ipv4.h> | 39 | #include <net/cipso_ipv4.h> |
37 | #include <asm/bug.h> | 40 | #include <asm/bug.h> |
@@ -42,6 +45,7 @@ | |||
42 | #include "netlabel_cipso_v4.h" | 45 | #include "netlabel_cipso_v4.h" |
43 | #include "netlabel_user.h" | 46 | #include "netlabel_user.h" |
44 | #include "netlabel_mgmt.h" | 47 | #include "netlabel_mgmt.h" |
48 | #include "netlabel_addrlist.h" | ||
45 | 49 | ||
46 | /* | 50 | /* |
47 | * Configuration Functions | 51 | * Configuration Functions |
@@ -50,6 +54,9 @@ | |||
50 | /** | 54 | /** |
51 | * netlbl_cfg_map_del - Remove a NetLabel/LSM domain mapping | 55 | * netlbl_cfg_map_del - Remove a NetLabel/LSM domain mapping |
52 | * @domain: the domain mapping to remove | 56 | * @domain: the domain mapping to remove |
57 | * @family: address family | ||
58 | * @addr: IP address | ||
59 | * @mask: IP address mask | ||
53 | * @audit_info: NetLabel audit information | 60 | * @audit_info: NetLabel audit information |
54 | * | 61 | * |
55 | * Description: | 62 | * Description: |
@@ -58,14 +65,32 @@ | |||
58 | * values on failure. | 65 | * values on failure. |
59 | * | 66 | * |
60 | */ | 67 | */ |
61 | int netlbl_cfg_map_del(const char *domain, struct netlbl_audit *audit_info) | 68 | int netlbl_cfg_map_del(const char *domain, |
69 | u16 family, | ||
70 | const void *addr, | ||
71 | const void *mask, | ||
72 | struct netlbl_audit *audit_info) | ||
62 | { | 73 | { |
63 | return netlbl_domhsh_remove(domain, audit_info); | 74 | if (addr == NULL && mask == NULL) { |
75 | return netlbl_domhsh_remove(domain, audit_info); | ||
76 | } else if (addr != NULL && mask != NULL) { | ||
77 | switch (family) { | ||
78 | case AF_INET: | ||
79 | return netlbl_domhsh_remove_af4(domain, addr, mask, | ||
80 | audit_info); | ||
81 | default: | ||
82 | return -EPFNOSUPPORT; | ||
83 | } | ||
84 | } else | ||
85 | return -EINVAL; | ||
64 | } | 86 | } |
65 | 87 | ||
66 | /** | 88 | /** |
67 | * netlbl_cfg_unlbl_add_map - Add an unlabeled NetLabel/LSM domain mapping | 89 | * netlbl_cfg_unlbl_map_add - Add a new unlabeled mapping |
68 | * @domain: the domain mapping to add | 90 | * @domain: the domain mapping to add |
91 | * @family: address family | ||
92 | * @addr: IP address | ||
93 | * @mask: IP address mask | ||
69 | * @audit_info: NetLabel audit information | 94 | * @audit_info: NetLabel audit information |
70 | * | 95 | * |
71 | * Description: | 96 | * Description: |
@@ -74,11 +99,19 @@ int netlbl_cfg_map_del(const char *domain, struct netlbl_audit *audit_info) | |||
74 | * negative values on failure. | 99 | * negative values on failure. |
75 | * | 100 | * |
76 | */ | 101 | */ |
77 | int netlbl_cfg_unlbl_add_map(const char *domain, | 102 | int netlbl_cfg_unlbl_map_add(const char *domain, |
103 | u16 family, | ||
104 | const void *addr, | ||
105 | const void *mask, | ||
78 | struct netlbl_audit *audit_info) | 106 | struct netlbl_audit *audit_info) |
79 | { | 107 | { |
80 | int ret_val = -ENOMEM; | 108 | int ret_val = -ENOMEM; |
81 | struct netlbl_dom_map *entry; | 109 | struct netlbl_dom_map *entry; |
110 | struct netlbl_domaddr_map *addrmap = NULL; | ||
111 | struct netlbl_domaddr4_map *map4 = NULL; | ||
112 | struct netlbl_domaddr6_map *map6 = NULL; | ||
113 | const struct in_addr *addr4, *mask4; | ||
114 | const struct in6_addr *addr6, *mask6; | ||
82 | 115 | ||
83 | entry = kzalloc(sizeof(*entry), GFP_ATOMIC); | 116 | entry = kzalloc(sizeof(*entry), GFP_ATOMIC); |
84 | if (entry == NULL) | 117 | if (entry == NULL) |
@@ -86,49 +119,225 @@ int netlbl_cfg_unlbl_add_map(const char *domain, | |||
86 | if (domain != NULL) { | 119 | if (domain != NULL) { |
87 | entry->domain = kstrdup(domain, GFP_ATOMIC); | 120 | entry->domain = kstrdup(domain, GFP_ATOMIC); |
88 | if (entry->domain == NULL) | 121 | if (entry->domain == NULL) |
89 | goto cfg_unlbl_add_map_failure; | 122 | goto cfg_unlbl_map_add_failure; |
123 | } | ||
124 | |||
125 | if (addr == NULL && mask == NULL) | ||
126 | entry->type = NETLBL_NLTYPE_UNLABELED; | ||
127 | else if (addr != NULL && mask != NULL) { | ||
128 | addrmap = kzalloc(sizeof(*addrmap), GFP_ATOMIC); | ||
129 | if (addrmap == NULL) | ||
130 | goto cfg_unlbl_map_add_failure; | ||
131 | INIT_LIST_HEAD(&addrmap->list4); | ||
132 | INIT_LIST_HEAD(&addrmap->list6); | ||
133 | |||
134 | switch (family) { | ||
135 | case AF_INET: | ||
136 | addr4 = addr; | ||
137 | mask4 = mask; | ||
138 | map4 = kzalloc(sizeof(*map4), GFP_ATOMIC); | ||
139 | if (map4 == NULL) | ||
140 | goto cfg_unlbl_map_add_failure; | ||
141 | map4->type = NETLBL_NLTYPE_UNLABELED; | ||
142 | map4->list.addr = addr4->s_addr & mask4->s_addr; | ||
143 | map4->list.mask = mask4->s_addr; | ||
144 | map4->list.valid = 1; | ||
145 | ret_val = netlbl_af4list_add(&map4->list, | ||
146 | &addrmap->list4); | ||
147 | if (ret_val != 0) | ||
148 | goto cfg_unlbl_map_add_failure; | ||
149 | break; | ||
150 | case AF_INET6: | ||
151 | addr6 = addr; | ||
152 | mask6 = mask; | ||
153 | map6 = kzalloc(sizeof(*map6), GFP_ATOMIC); | ||
154 | if (map4 == NULL) | ||
155 | goto cfg_unlbl_map_add_failure; | ||
156 | map6->type = NETLBL_NLTYPE_UNLABELED; | ||
157 | ipv6_addr_copy(&map6->list.addr, addr6); | ||
158 | map6->list.addr.s6_addr32[0] &= mask6->s6_addr32[0]; | ||
159 | map6->list.addr.s6_addr32[1] &= mask6->s6_addr32[1]; | ||
160 | map6->list.addr.s6_addr32[2] &= mask6->s6_addr32[2]; | ||
161 | map6->list.addr.s6_addr32[3] &= mask6->s6_addr32[3]; | ||
162 | ipv6_addr_copy(&map6->list.mask, mask6); | ||
163 | map6->list.valid = 1; | ||
164 | ret_val = netlbl_af4list_add(&map4->list, | ||
165 | &addrmap->list4); | ||
166 | if (ret_val != 0) | ||
167 | goto cfg_unlbl_map_add_failure; | ||
168 | break; | ||
169 | default: | ||
170 | goto cfg_unlbl_map_add_failure; | ||
171 | break; | ||
172 | } | ||
173 | |||
174 | entry->type_def.addrsel = addrmap; | ||
175 | entry->type = NETLBL_NLTYPE_ADDRSELECT; | ||
176 | } else { | ||
177 | ret_val = -EINVAL; | ||
178 | goto cfg_unlbl_map_add_failure; | ||
90 | } | 179 | } |
91 | entry->type = NETLBL_NLTYPE_UNLABELED; | ||
92 | 180 | ||
93 | ret_val = netlbl_domhsh_add(entry, audit_info); | 181 | ret_val = netlbl_domhsh_add(entry, audit_info); |
94 | if (ret_val != 0) | 182 | if (ret_val != 0) |
95 | goto cfg_unlbl_add_map_failure; | 183 | goto cfg_unlbl_map_add_failure; |
96 | 184 | ||
97 | return 0; | 185 | return 0; |
98 | 186 | ||
99 | cfg_unlbl_add_map_failure: | 187 | cfg_unlbl_map_add_failure: |
100 | if (entry != NULL) | 188 | if (entry != NULL) |
101 | kfree(entry->domain); | 189 | kfree(entry->domain); |
102 | kfree(entry); | 190 | kfree(entry); |
191 | kfree(addrmap); | ||
192 | kfree(map4); | ||
193 | kfree(map6); | ||
103 | return ret_val; | 194 | return ret_val; |
104 | } | 195 | } |
105 | 196 | ||
197 | |||
198 | /** | ||
199 | * netlbl_cfg_unlbl_static_add - Adds a new static label | ||
200 | * @net: network namespace | ||
201 | * @dev_name: interface name | ||
202 | * @addr: IP address in network byte order (struct in[6]_addr) | ||
203 | * @mask: address mask in network byte order (struct in[6]_addr) | ||
204 | * @family: address family | ||
205 | * @secid: LSM secid value for the entry | ||
206 | * @audit_info: NetLabel audit information | ||
207 | * | ||
208 | * Description: | ||
209 | * Adds a new NetLabel static label to be used when protocol provided labels | ||
210 | * are not present on incoming traffic. If @dev_name is NULL then the default | ||
211 | * interface will be used. Returns zero on success, negative values on failure. | ||
212 | * | ||
213 | */ | ||
214 | int netlbl_cfg_unlbl_static_add(struct net *net, | ||
215 | const char *dev_name, | ||
216 | const void *addr, | ||
217 | const void *mask, | ||
218 | u16 family, | ||
219 | u32 secid, | ||
220 | struct netlbl_audit *audit_info) | ||
221 | { | ||
222 | u32 addr_len; | ||
223 | |||
224 | switch (family) { | ||
225 | case AF_INET: | ||
226 | addr_len = sizeof(struct in_addr); | ||
227 | break; | ||
228 | case AF_INET6: | ||
229 | addr_len = sizeof(struct in6_addr); | ||
230 | break; | ||
231 | default: | ||
232 | return -EPFNOSUPPORT; | ||
233 | } | ||
234 | |||
235 | return netlbl_unlhsh_add(net, | ||
236 | dev_name, addr, mask, addr_len, | ||
237 | secid, audit_info); | ||
238 | } | ||
239 | |||
240 | /** | ||
241 | * netlbl_cfg_unlbl_static_del - Removes an existing static label | ||
242 | * @net: network namespace | ||
243 | * @dev_name: interface name | ||
244 | * @addr: IP address in network byte order (struct in[6]_addr) | ||
245 | * @mask: address mask in network byte order (struct in[6]_addr) | ||
246 | * @family: address family | ||
247 | * @secid: LSM secid value for the entry | ||
248 | * @audit_info: NetLabel audit information | ||
249 | * | ||
250 | * Description: | ||
251 | * Removes an existing NetLabel static label used when protocol provided labels | ||
252 | * are not present on incoming traffic. If @dev_name is NULL then the default | ||
253 | * interface will be used. Returns zero on success, negative values on failure. | ||
254 | * | ||
255 | */ | ||
256 | int netlbl_cfg_unlbl_static_del(struct net *net, | ||
257 | const char *dev_name, | ||
258 | const void *addr, | ||
259 | const void *mask, | ||
260 | u16 family, | ||
261 | struct netlbl_audit *audit_info) | ||
262 | { | ||
263 | u32 addr_len; | ||
264 | |||
265 | switch (family) { | ||
266 | case AF_INET: | ||
267 | addr_len = sizeof(struct in_addr); | ||
268 | break; | ||
269 | case AF_INET6: | ||
270 | addr_len = sizeof(struct in6_addr); | ||
271 | break; | ||
272 | default: | ||
273 | return -EPFNOSUPPORT; | ||
274 | } | ||
275 | |||
276 | return netlbl_unlhsh_remove(net, | ||
277 | dev_name, addr, mask, addr_len, | ||
278 | audit_info); | ||
279 | } | ||
280 | |||
281 | /** | ||
282 | * netlbl_cfg_cipsov4_add - Add a new CIPSOv4 DOI definition | ||
283 | * @doi_def: CIPSO DOI definition | ||
284 | * @audit_info: NetLabel audit information | ||
285 | * | ||
286 | * Description: | ||
287 | * Add a new CIPSO DOI definition as defined by @doi_def. Returns zero on | ||
288 | * success and negative values on failure. | ||
289 | * | ||
290 | */ | ||
291 | int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def, | ||
292 | struct netlbl_audit *audit_info) | ||
293 | { | ||
294 | return cipso_v4_doi_add(doi_def, audit_info); | ||
295 | } | ||
296 | |||
297 | /** | ||
298 | * netlbl_cfg_cipsov4_del - Remove an existing CIPSOv4 DOI definition | ||
299 | * @doi: CIPSO DOI | ||
300 | * @audit_info: NetLabel audit information | ||
301 | * | ||
302 | * Description: | ||
303 | * Remove an existing CIPSO DOI definition matching @doi. Returns zero on | ||
304 | * success and negative values on failure. | ||
305 | * | ||
306 | */ | ||
307 | void netlbl_cfg_cipsov4_del(u32 doi, struct netlbl_audit *audit_info) | ||
308 | { | ||
309 | cipso_v4_doi_remove(doi, audit_info); | ||
310 | } | ||
311 | |||
106 | /** | 312 | /** |
107 | * netlbl_cfg_cipsov4_add_map - Add a new CIPSOv4 DOI definition and mapping | 313 | * netlbl_cfg_cipsov4_map_add - Add a new CIPSOv4 DOI mapping |
108 | * @doi_def: the DOI definition | 314 | * @doi: the CIPSO DOI |
109 | * @domain: the domain mapping to add | 315 | * @domain: the domain mapping to add |
316 | * @addr: IP address | ||
317 | * @mask: IP address mask | ||
110 | * @audit_info: NetLabel audit information | 318 | * @audit_info: NetLabel audit information |
111 | * | 319 | * |
112 | * Description: | 320 | * Description: |
113 | * Add a new CIPSOv4 DOI definition and NetLabel/LSM domain mapping for this | 321 | * Add a new NetLabel/LSM domain mapping for the given CIPSO DOI to the NetLabel |
114 | * new DOI definition to the NetLabel subsystem. A @domain value of NULL adds | 322 | * subsystem. A @domain value of NULL adds a new default domain mapping. |
115 | * a new default domain mapping. Returns zero on success, negative values on | 323 | * Returns zero on success, negative values on failure. |
116 | * failure. | ||
117 | * | 324 | * |
118 | */ | 325 | */ |
119 | int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def, | 326 | int netlbl_cfg_cipsov4_map_add(u32 doi, |
120 | const char *domain, | 327 | const char *domain, |
328 | const struct in_addr *addr, | ||
329 | const struct in_addr *mask, | ||
121 | struct netlbl_audit *audit_info) | 330 | struct netlbl_audit *audit_info) |
122 | { | 331 | { |
123 | int ret_val = -ENOMEM; | 332 | int ret_val = -ENOMEM; |
124 | u32 doi; | 333 | struct cipso_v4_doi *doi_def; |
125 | u32 doi_type; | ||
126 | struct netlbl_dom_map *entry; | 334 | struct netlbl_dom_map *entry; |
127 | const char *type_str; | 335 | struct netlbl_domaddr_map *addrmap = NULL; |
128 | struct audit_buffer *audit_buf; | 336 | struct netlbl_domaddr4_map *addrinfo = NULL; |
129 | 337 | ||
130 | doi = doi_def->doi; | 338 | doi_def = cipso_v4_doi_getdef(doi); |
131 | doi_type = doi_def->type; | 339 | if (doi_def == NULL) |
340 | return -ENOENT; | ||
132 | 341 | ||
133 | entry = kzalloc(sizeof(*entry), GFP_ATOMIC); | 342 | entry = kzalloc(sizeof(*entry), GFP_ATOMIC); |
134 | if (entry == NULL) | 343 | if (entry == NULL) |
@@ -136,56 +345,52 @@ int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def, | |||
136 | if (domain != NULL) { | 345 | if (domain != NULL) { |
137 | entry->domain = kstrdup(domain, GFP_ATOMIC); | 346 | entry->domain = kstrdup(domain, GFP_ATOMIC); |
138 | if (entry->domain == NULL) | 347 | if (entry->domain == NULL) |
139 | goto cfg_cipsov4_add_map_failure; | 348 | goto cfg_cipsov4_map_add_failure; |
140 | } | 349 | } |
141 | 350 | ||
142 | ret_val = cipso_v4_doi_add(doi_def); | 351 | if (addr == NULL && mask == NULL) { |
143 | if (ret_val != 0) | 352 | entry->type_def.cipsov4 = doi_def; |
144 | goto cfg_cipsov4_add_map_failure_remove_doi; | 353 | entry->type = NETLBL_NLTYPE_CIPSOV4; |
145 | entry->type = NETLBL_NLTYPE_CIPSOV4; | 354 | } else if (addr != NULL && mask != NULL) { |
146 | entry->type_def.cipsov4 = cipso_v4_doi_getdef(doi); | 355 | addrmap = kzalloc(sizeof(*addrmap), GFP_ATOMIC); |
147 | if (entry->type_def.cipsov4 == NULL) { | 356 | if (addrmap == NULL) |
148 | ret_val = -ENOENT; | 357 | goto cfg_cipsov4_map_add_failure; |
149 | goto cfg_cipsov4_add_map_failure_remove_doi; | 358 | INIT_LIST_HEAD(&addrmap->list4); |
359 | INIT_LIST_HEAD(&addrmap->list6); | ||
360 | |||
361 | addrinfo = kzalloc(sizeof(*addrinfo), GFP_ATOMIC); | ||
362 | if (addrinfo == NULL) | ||
363 | goto cfg_cipsov4_map_add_failure; | ||
364 | addrinfo->type_def.cipsov4 = doi_def; | ||
365 | addrinfo->type = NETLBL_NLTYPE_CIPSOV4; | ||
366 | addrinfo->list.addr = addr->s_addr & mask->s_addr; | ||
367 | addrinfo->list.mask = mask->s_addr; | ||
368 | addrinfo->list.valid = 1; | ||
369 | ret_val = netlbl_af4list_add(&addrinfo->list, &addrmap->list4); | ||
370 | if (ret_val != 0) | ||
371 | goto cfg_cipsov4_map_add_failure; | ||
372 | |||
373 | entry->type_def.addrsel = addrmap; | ||
374 | entry->type = NETLBL_NLTYPE_ADDRSELECT; | ||
375 | } else { | ||
376 | ret_val = -EINVAL; | ||
377 | goto cfg_cipsov4_map_add_failure; | ||
150 | } | 378 | } |
379 | |||
151 | ret_val = netlbl_domhsh_add(entry, audit_info); | 380 | ret_val = netlbl_domhsh_add(entry, audit_info); |
152 | if (ret_val != 0) | 381 | if (ret_val != 0) |
153 | goto cfg_cipsov4_add_map_failure_release_doi; | 382 | goto cfg_cipsov4_map_add_failure; |
154 | |||
155 | cfg_cipsov4_add_map_return: | ||
156 | audit_buf = netlbl_audit_start_common(AUDIT_MAC_CIPSOV4_ADD, | ||
157 | audit_info); | ||
158 | if (audit_buf != NULL) { | ||
159 | switch (doi_type) { | ||
160 | case CIPSO_V4_MAP_TRANS: | ||
161 | type_str = "trans"; | ||
162 | break; | ||
163 | case CIPSO_V4_MAP_PASS: | ||
164 | type_str = "pass"; | ||
165 | break; | ||
166 | case CIPSO_V4_MAP_LOCAL: | ||
167 | type_str = "local"; | ||
168 | break; | ||
169 | default: | ||
170 | type_str = "(unknown)"; | ||
171 | } | ||
172 | audit_log_format(audit_buf, | ||
173 | " cipso_doi=%u cipso_type=%s res=%u", | ||
174 | doi, type_str, ret_val == 0 ? 1 : 0); | ||
175 | audit_log_end(audit_buf); | ||
176 | } | ||
177 | 383 | ||
178 | return ret_val; | 384 | return 0; |
179 | 385 | ||
180 | cfg_cipsov4_add_map_failure_release_doi: | 386 | cfg_cipsov4_map_add_failure: |
181 | cipso_v4_doi_putdef(doi_def); | 387 | cipso_v4_doi_putdef(doi_def); |
182 | cfg_cipsov4_add_map_failure_remove_doi: | ||
183 | cipso_v4_doi_remove(doi, audit_info); | ||
184 | cfg_cipsov4_add_map_failure: | ||
185 | if (entry != NULL) | 388 | if (entry != NULL) |
186 | kfree(entry->domain); | 389 | kfree(entry->domain); |
187 | kfree(entry); | 390 | kfree(entry); |
188 | goto cfg_cipsov4_add_map_return; | 391 | kfree(addrmap); |
392 | kfree(addrinfo); | ||
393 | return ret_val; | ||
189 | } | 394 | } |
190 | 395 | ||
191 | /* | 396 | /* |
@@ -691,6 +896,28 @@ int netlbl_cache_add(const struct sk_buff *skb, | |||
691 | } | 896 | } |
692 | 897 | ||
693 | /* | 898 | /* |
899 | * Protocol Engine Functions | ||
900 | */ | ||
901 | |||
902 | /** | ||
903 | * netlbl_audit_start - Start an audit message | ||
904 | * @type: audit message type | ||
905 | * @audit_info: NetLabel audit information | ||
906 | * | ||
907 | * Description: | ||
908 | * Start an audit message using the type specified in @type and fill the audit | ||
909 | * message with some fields common to all NetLabel audit messages. This | ||
910 | * function should only be used by protocol engines, not LSMs. Returns a | ||
911 | * pointer to the audit buffer on success, NULL on failure. | ||
912 | * | ||
913 | */ | ||
914 | struct audit_buffer *netlbl_audit_start(int type, | ||
915 | struct netlbl_audit *audit_info) | ||
916 | { | ||
917 | return netlbl_audit_start_common(type, audit_info); | ||
918 | } | ||
919 | |||
920 | /* | ||
694 | * Setup Functions | 921 | * Setup Functions |
695 | */ | 922 | */ |
696 | 923 | ||
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c index 8c0308032178..f3c5c68c6848 100644 --- a/net/netlabel/netlabel_unlabeled.c +++ b/net/netlabel/netlabel_unlabeled.c | |||
@@ -450,13 +450,13 @@ add_iface_failure: | |||
450 | * success, negative values on failure. | 450 | * success, negative values on failure. |
451 | * | 451 | * |
452 | */ | 452 | */ |
453 | static int netlbl_unlhsh_add(struct net *net, | 453 | int netlbl_unlhsh_add(struct net *net, |
454 | const char *dev_name, | 454 | const char *dev_name, |
455 | const void *addr, | 455 | const void *addr, |
456 | const void *mask, | 456 | const void *mask, |
457 | u32 addr_len, | 457 | u32 addr_len, |
458 | u32 secid, | 458 | u32 secid, |
459 | struct netlbl_audit *audit_info) | 459 | struct netlbl_audit *audit_info) |
460 | { | 460 | { |
461 | int ret_val; | 461 | int ret_val; |
462 | int ifindex; | 462 | int ifindex; |
@@ -720,12 +720,12 @@ unlhsh_condremove_failure: | |||
720 | * Returns zero on success, negative values on failure. | 720 | * Returns zero on success, negative values on failure. |
721 | * | 721 | * |
722 | */ | 722 | */ |
723 | static int netlbl_unlhsh_remove(struct net *net, | 723 | int netlbl_unlhsh_remove(struct net *net, |
724 | const char *dev_name, | 724 | const char *dev_name, |
725 | const void *addr, | 725 | const void *addr, |
726 | const void *mask, | 726 | const void *mask, |
727 | u32 addr_len, | 727 | u32 addr_len, |
728 | struct netlbl_audit *audit_info) | 728 | struct netlbl_audit *audit_info) |
729 | { | 729 | { |
730 | int ret_val; | 730 | int ret_val; |
731 | struct net_device *dev; | 731 | struct net_device *dev; |
diff --git a/net/netlabel/netlabel_unlabeled.h b/net/netlabel/netlabel_unlabeled.h index 06b1301ac072..7aba63595137 100644 --- a/net/netlabel/netlabel_unlabeled.h +++ b/net/netlabel/netlabel_unlabeled.h | |||
@@ -221,6 +221,21 @@ int netlbl_unlabel_genl_init(void); | |||
221 | /* General Unlabeled init function */ | 221 | /* General Unlabeled init function */ |
222 | int netlbl_unlabel_init(u32 size); | 222 | int netlbl_unlabel_init(u32 size); |
223 | 223 | ||
224 | /* Static/Fallback label management functions */ | ||
225 | int netlbl_unlhsh_add(struct net *net, | ||
226 | const char *dev_name, | ||
227 | const void *addr, | ||
228 | const void *mask, | ||
229 | u32 addr_len, | ||
230 | u32 secid, | ||
231 | struct netlbl_audit *audit_info); | ||
232 | int netlbl_unlhsh_remove(struct net *net, | ||
233 | const char *dev_name, | ||
234 | const void *addr, | ||
235 | const void *mask, | ||
236 | u32 addr_len, | ||
237 | struct netlbl_audit *audit_info); | ||
238 | |||
224 | /* Process Unlabeled incoming network packets */ | 239 | /* Process Unlabeled incoming network packets */ |
225 | int netlbl_unlabel_getattr(const struct sk_buff *skb, | 240 | int netlbl_unlabel_getattr(const struct sk_buff *skb, |
226 | u16 family, | 241 | u16 family, |
diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index 247dc9ebbc71..594e934f1385 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c | |||
@@ -350,7 +350,7 @@ static void smk_cipso_doi(void) | |||
350 | audit_info.sessionid = audit_get_sessionid(current); | 350 | audit_info.sessionid = audit_get_sessionid(current); |
351 | audit_info.secid = smack_to_secid(current_security()); | 351 | audit_info.secid = smack_to_secid(current_security()); |
352 | 352 | ||
353 | rc = netlbl_cfg_map_del(NULL, &audit_info); | 353 | rc = netlbl_cfg_map_del(NULL, PF_UNSPEC, NULL, NULL, &audit_info); |
354 | if (rc != 0) | 354 | if (rc != 0) |
355 | printk(KERN_WARNING "%s:%d remove rc = %d\n", | 355 | printk(KERN_WARNING "%s:%d remove rc = %d\n", |
356 | __func__, __LINE__, rc); | 356 | __func__, __LINE__, rc); |
@@ -365,11 +365,20 @@ static void smk_cipso_doi(void) | |||
365 | for (rc = 1; rc < CIPSO_V4_TAG_MAXCNT; rc++) | 365 | for (rc = 1; rc < CIPSO_V4_TAG_MAXCNT; rc++) |
366 | doip->tags[rc] = CIPSO_V4_TAG_INVALID; | 366 | doip->tags[rc] = CIPSO_V4_TAG_INVALID; |
367 | 367 | ||
368 | rc = netlbl_cfg_cipsov4_add_map(doip, NULL, &audit_info); | 368 | rc = netlbl_cfg_cipsov4_add(doip, &audit_info); |
369 | if (rc != 0) { | 369 | if (rc != 0) { |
370 | printk(KERN_WARNING "%s:%d add rc = %d\n", | 370 | printk(KERN_WARNING "%s:%d cipso add rc = %d\n", |
371 | __func__, __LINE__, rc); | ||
372 | kfree(doip); | ||
373 | return; | ||
374 | } | ||
375 | rc = netlbl_cfg_cipsov4_map_add(doip->doi, | ||
376 | NULL, NULL, NULL, &audit_info); | ||
377 | if (rc != 0) { | ||
378 | printk(KERN_WARNING "%s:%d map add rc = %d\n", | ||
371 | __func__, __LINE__, rc); | 379 | __func__, __LINE__, rc); |
372 | kfree(doip); | 380 | kfree(doip); |
381 | return; | ||
373 | } | 382 | } |
374 | } | 383 | } |
375 | 384 | ||
@@ -386,13 +395,15 @@ static void smk_unlbl_ambient(char *oldambient) | |||
386 | audit_info.secid = smack_to_secid(current_security()); | 395 | audit_info.secid = smack_to_secid(current_security()); |
387 | 396 | ||
388 | if (oldambient != NULL) { | 397 | if (oldambient != NULL) { |
389 | rc = netlbl_cfg_map_del(oldambient, &audit_info); | 398 | rc = netlbl_cfg_map_del(oldambient, |
399 | PF_UNSPEC, NULL, NULL, &audit_info); | ||
390 | if (rc != 0) | 400 | if (rc != 0) |
391 | printk(KERN_WARNING "%s:%d remove rc = %d\n", | 401 | printk(KERN_WARNING "%s:%d remove rc = %d\n", |
392 | __func__, __LINE__, rc); | 402 | __func__, __LINE__, rc); |
393 | } | 403 | } |
394 | 404 | ||
395 | rc = netlbl_cfg_unlbl_add_map(smack_net_ambient, &audit_info); | 405 | rc = netlbl_cfg_unlbl_map_add(smack_net_ambient, |
406 | PF_INET, NULL, NULL, &audit_info); | ||
396 | if (rc != 0) | 407 | if (rc != 0) |
397 | printk(KERN_WARNING "%s:%d add rc = %d\n", | 408 | printk(KERN_WARNING "%s:%d add rc = %d\n", |
398 | __func__, __LINE__, rc); | 409 | __func__, __LINE__, rc); |