audit: allow interfield comparison between gid and ogid
Allow audit rules to compare the gid of the running task to the gid of the
inode in question.
Signed-off-by: Eric Paris <eparis@redhat.com>
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index b12cc32..861c7b9 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -474,6 +474,8 @@
uid_t uid2;
int rc;
+ BUILD_BUG_ON(sizeof(uid_t) != sizeof(gid_t));
+
if (name) {
addr = (unsigned long)name;
addr += name_offset;
@@ -510,6 +512,10 @@
return audit_compare_id(cred->uid,
name, offsetof(struct audit_names, uid),
f, ctx);
+ case AUDIT_COMPARE_GID_TO_OBJ_GID:
+ return audit_compare_id(cred->gid,
+ name, offsetof(struct audit_names, gid),
+ f, ctx);
default:
WARN(1, "Missing AUDIT_COMPARE define. Report as a bug\n");
return 0;