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authorEric Paris <eparis@redhat.com>2008-06-09 16:51:37 -0400
committerJames Morris <jmorris@namei.org>2008-07-14 15:02:00 +1000
commit6cbe27061a69ab89d25dbe42d1a4f33a8425fe88 (patch)
tree883e50c699dcd495ca9fc985e71622394ce21001 /security
parent22df4adb049a5cbb340dd935f5bbfa1ab3947562 (diff)
downloadlinux-6cbe27061a69ab89d25dbe42d1a4f33a8425fe88.tar.gz
SELinux: more user friendly unknown handling printk
I've gotten complaints and reports about people not understanding the
meaning of the current unknown class/perm handling the kernel emits on
every policy load.  Hopefully this will make make it clear to everyone
the meaning of the message and won't waste a printk the user won't care
about anyway on systems where the kernel and the policy agree on
everything.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security')
-rw-r--r--security/selinux/selinuxfs.c5
-rw-r--r--security/selinux/ss/services.c7
2 files changed, 7 insertions, 5 deletions
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 07a5db69571c..69c9dccc8cf0 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -356,11 +356,6 @@ static ssize_t sel_write_load(struct file *file, const char __user *buf,
 		length = count;
 
 out1:
-
-	printk(KERN_INFO "SELinux: policy loaded with handle_unknown=%s\n",
-	       (security_get_reject_unknown() ? "reject" :
-		(security_get_allow_unknown() ? "allow" : "deny")));
-
 	audit_log(current->audit_context, GFP_KERNEL, AUDIT_MAC_POLICY_LOAD,
 		"policy loaded auid=%u ses=%u",
 		audit_get_loginuid(current),
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 04c0b70c8012..b52f923ce680 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -1171,6 +1171,7 @@ static int validate_classes(struct policydb *p)
 	const struct selinux_class_perm *kdefs = &selinux_class_perm;
 	const char *def_class, *def_perm, *pol_class;
 	struct symtab *perms;
+	bool print_unknown_handle = 0;
 
 	if (p->allow_unknown) {
 		u32 num_classes = kdefs->cts_len;
@@ -1191,6 +1192,7 @@ static int validate_classes(struct policydb *p)
 				return -EINVAL;
 			if (p->allow_unknown)
 				p->undefined_perms[i-1] = ~0U;
+			print_unknown_handle = 1;
 			continue;
 		}
 		pol_class = p->p_class_val_to_name[i-1];
@@ -1220,6 +1222,7 @@ static int validate_classes(struct policydb *p)
 				return -EINVAL;
 			if (p->allow_unknown)
 				p->undefined_perms[class_val-1] |= perm_val;
+			print_unknown_handle = 1;
 			continue;
 		}
 		perdatum = hashtab_search(perms->table, def_perm);
@@ -1267,6 +1270,7 @@ static int validate_classes(struct policydb *p)
 					return -EINVAL;
 				if (p->allow_unknown)
 					p->undefined_perms[class_val-1] |= (1 << j);
+				print_unknown_handle = 1;
 				continue;
 			}
 			perdatum = hashtab_search(perms->table, def_perm);
@@ -1284,6 +1288,9 @@ static int validate_classes(struct policydb *p)
 			}
 		}
 	}
+	if (print_unknown_handle)
+		printk(KERN_INFO "SELinux: the above unknown classes and permissions will be %s\n",
+			(security_get_allow_unknown() ? "allowed" : "denied"));
 	return 0;
 }