diff options
Diffstat (limited to 'security/selinux/ss/avtab.c')
-rw-r--r-- | security/selinux/ss/avtab.c | 46 |
1 files changed, 44 insertions, 2 deletions
diff --git a/security/selinux/ss/avtab.c b/security/selinux/ss/avtab.c index 929480c6c430..a3dd9faa19c0 100644 --- a/security/selinux/ss/avtab.c +++ b/security/selinux/ss/avtab.c | |||
@@ -266,8 +266,8 @@ int avtab_alloc(struct avtab *h, u32 nrules) | |||
266 | if (shift > 2) | 266 | if (shift > 2) |
267 | shift = shift - 2; | 267 | shift = shift - 2; |
268 | nslot = 1 << shift; | 268 | nslot = 1 << shift; |
269 | if (nslot > MAX_AVTAB_SIZE) | 269 | if (nslot > MAX_AVTAB_HASH_BUCKETS) |
270 | nslot = MAX_AVTAB_SIZE; | 270 | nslot = MAX_AVTAB_HASH_BUCKETS; |
271 | mask = nslot - 1; | 271 | mask = nslot - 1; |
272 | 272 | ||
273 | h->htable = kcalloc(nslot, sizeof(*(h->htable)), GFP_KERNEL); | 273 | h->htable = kcalloc(nslot, sizeof(*(h->htable)), GFP_KERNEL); |
@@ -501,6 +501,48 @@ bad: | |||
501 | goto out; | 501 | goto out; |
502 | } | 502 | } |
503 | 503 | ||
504 | int avtab_write_item(struct policydb *p, struct avtab_node *cur, void *fp) | ||
505 | { | ||
506 | __le16 buf16[4]; | ||
507 | __le32 buf32[1]; | ||
508 | int rc; | ||
509 | |||
510 | buf16[0] = cpu_to_le16(cur->key.source_type); | ||
511 | buf16[1] = cpu_to_le16(cur->key.target_type); | ||
512 | buf16[2] = cpu_to_le16(cur->key.target_class); | ||
513 | buf16[3] = cpu_to_le16(cur->key.specified); | ||
514 | rc = put_entry(buf16, sizeof(u16), 4, fp); | ||
515 | if (rc) | ||
516 | return rc; | ||
517 | buf32[0] = cpu_to_le32(cur->datum.data); | ||
518 | rc = put_entry(buf32, sizeof(u32), 1, fp); | ||
519 | if (rc) | ||
520 | return rc; | ||
521 | return 0; | ||
522 | } | ||
523 | |||
524 | int avtab_write(struct policydb *p, struct avtab *a, void *fp) | ||
525 | { | ||
526 | unsigned int i; | ||
527 | int rc = 0; | ||
528 | struct avtab_node *cur; | ||
529 | __le32 buf[1]; | ||
530 | |||
531 | buf[0] = cpu_to_le32(a->nel); | ||
532 | rc = put_entry(buf, sizeof(u32), 1, fp); | ||
533 | if (rc) | ||
534 | return rc; | ||
535 | |||
536 | for (i = 0; i < a->nslot; i++) { | ||
537 | for (cur = a->htable[i]; cur; cur = cur->next) { | ||
538 | rc = avtab_write_item(p, cur, fp); | ||
539 | if (rc) | ||
540 | return rc; | ||
541 | } | ||
542 | } | ||
543 | |||
544 | return rc; | ||
545 | } | ||
504 | void avtab_cache_init(void) | 546 | void avtab_cache_init(void) |
505 | { | 547 | { |
506 | avtab_node_cachep = kmem_cache_create("avtab_node", | 548 | avtab_node_cachep = kmem_cache_create("avtab_node", |