aboutsummaryrefslogtreecommitdiff
path: root/security/selinux/ss/avtab.c
diff options
context:
space:
mode:
Diffstat (limited to 'security/selinux/ss/avtab.c')
-rw-r--r--security/selinux/ss/avtab.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/security/selinux/ss/avtab.c b/security/selinux/ss/avtab.c
index 77a917ccc04..a3dd9faa19c 100644
--- a/security/selinux/ss/avtab.c
+++ b/security/selinux/ss/avtab.c
@@ -501,6 +501,48 @@ bad:
goto out;
}
+int avtab_write_item(struct policydb *p, struct avtab_node *cur, void *fp)
+{
+ __le16 buf16[4];
+ __le32 buf32[1];
+ int rc;
+
+ buf16[0] = cpu_to_le16(cur->key.source_type);
+ buf16[1] = cpu_to_le16(cur->key.target_type);
+ buf16[2] = cpu_to_le16(cur->key.target_class);
+ buf16[3] = cpu_to_le16(cur->key.specified);
+ rc = put_entry(buf16, sizeof(u16), 4, fp);
+ if (rc)
+ return rc;
+ buf32[0] = cpu_to_le32(cur->datum.data);
+ rc = put_entry(buf32, sizeof(u32), 1, fp);
+ if (rc)
+ return rc;
+ return 0;
+}
+
+int avtab_write(struct policydb *p, struct avtab *a, void *fp)
+{
+ unsigned int i;
+ int rc = 0;
+ struct avtab_node *cur;
+ __le32 buf[1];
+
+ buf[0] = cpu_to_le32(a->nel);
+ rc = put_entry(buf, sizeof(u32), 1, fp);
+ if (rc)
+ return rc;
+
+ for (i = 0; i < a->nslot; i++) {
+ for (cur = a->htable[i]; cur; cur = cur->next) {
+ rc = avtab_write_item(p, cur, fp);
+ if (rc)
+ return rc;
+ }
+ }
+
+ return rc;
+}
void avtab_cache_init(void)
{
avtab_node_cachep = kmem_cache_create("avtab_node",