diff options
Diffstat (limited to 'security/apparmor/policy.c')
| -rw-r--r-- | security/apparmor/policy.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c index 780712553651..179e68d7dc5f 100644 --- a/security/apparmor/policy.c +++ b/security/apparmor/policy.c @@ -918,6 +918,22 @@ static int audit_policy(int op, gfp_t gfp, const char *name, const char *info, &sa, NULL); } +bool policy_view_capable(void) +{ + struct user_namespace *user_ns = current_user_ns(); + bool response = false; + + if (ns_capable(user_ns, CAP_MAC_ADMIN)) + response = true; + + return response; +} + +bool policy_admin_capable(void) +{ + return policy_view_capable() && !aa_g_lock_policy; +} + /** * aa_may_manage_policy - can the current task manage policy * @op: the policy manipulation operation being done @@ -932,7 +948,7 @@ bool aa_may_manage_policy(int op) return 0; } - if (!capable(CAP_MAC_ADMIN)) { + if (!policy_admin_capable()) { audit_policy(op, GFP_KERNEL, NULL, "not policy admin", -EACCES); return 0; } |