selinux: Report permissive mode in avc: denied messages.

We cannot presently tell from an avc: denied message whether access was in
fact denied or was allowed due to global or per-domain permissive mode.
Add a permissive= field to the avc message to reflect this information.

Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Paul Moore <pmoore@redhat.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 6ab22720c277..d3a2c2e80fec 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2770,6 +2770,7 @@ static int selinux_inode_follow_link(struct dentry *dentry, struct nameidata *na
 
 static noinline int audit_inode_permission(struct inode *inode,
                                            u32 perms, u32 audited, u32 denied,
+                                           int result,
                                            unsigned flags)
 {
         struct common_audit_data ad;
@@ -2780,7 +2781,7 @@ static noinline int audit_inode_permission(struct inode *inode,
         ad.u.inode = inode;
 
         rc = slow_avc_audit(current_sid(), isec->sid, isec->sclass, perms,
-                            audited, denied, &ad, flags);
+                            audited, denied, result, &ad, flags);
         if (rc)
                 return rc;
         return 0;
@@ -2822,7 +2823,7 @@ static int selinux_inode_permission(struct inode *inode, int mask)
         if (likely(!audited))
                 return rc;
 
-        rc2 = audit_inode_permission(inode, perms, audited, denied, flags);
+        rc2 = audit_inode_permission(inode, perms, audited, denied, rc, flags);
         if (rc2)
                 return rc2;
         return rc;