aboutsummaryrefslogtreecommitdiff
path: root/security/smack/smack_access.c
diff options
context:
space:
mode:
authorJames Morris <jmorris@namei.org>2009-01-07 09:58:22 +1100
committerJames Morris <jmorris@namei.org>2009-01-07 09:58:22 +1100
commitac8cc0fa5395fe2278e305a4cbed48e90d88d878 (patch)
tree515f577bfddd054ee4373228be7c974dfb8133af /security/smack/smack_access.c
parent238c6d54830c624f34ac9cf123ac04aebfca5013 (diff)
parent3699c53c485bf0168e6500d0ed18bf931584dd7c (diff)
Merge branch 'next' into for-linus
Diffstat (limited to 'security/smack/smack_access.c')
-rw-r--r--security/smack/smack_access.c28
1 files changed, 19 insertions, 9 deletions
diff --git a/security/smack/smack_access.c b/security/smack/smack_access.c
index 247cec3b5a4..2e0b83e77ff 100644
--- a/security/smack/smack_access.c
+++ b/security/smack/smack_access.c
@@ -15,15 +15,8 @@
#include <linux/sched.h>
#include "smack.h"
-struct smack_known smack_known_unset = {
- .smk_next = NULL,
- .smk_known = "UNSET",
- .smk_secid = 1,
- .smk_cipso = NULL,
-};
-
struct smack_known smack_known_huh = {
- .smk_next = &smack_known_unset,
+ .smk_next = NULL,
.smk_known = "?",
.smk_secid = 2,
.smk_cipso = NULL,
@@ -57,7 +50,14 @@ struct smack_known smack_known_invalid = {
.smk_cipso = NULL,
};
-struct smack_known *smack_known = &smack_known_invalid;
+struct smack_known smack_known_web = {
+ .smk_next = &smack_known_invalid,
+ .smk_known = "@",
+ .smk_secid = 7,
+ .smk_cipso = NULL,
+};
+
+struct smack_known *smack_known = &smack_known_web;
/*
* The initial value needs to be bigger than any of the
@@ -99,6 +99,16 @@ int smk_access(char *subject_label, char *object_label, int request)
strcmp(subject_label, smack_known_star.smk_known) == 0)
return -EACCES;
/*
+ * An internet object can be accessed by any subject.
+ * Tasks cannot be assigned the internet label.
+ * An internet subject can access any object.
+ */
+ if (object_label == smack_known_web.smk_known ||
+ subject_label == smack_known_web.smk_known ||
+ strcmp(object_label, smack_known_web.smk_known) == 0 ||
+ strcmp(subject_label, smack_known_web.smk_known) == 0)
+ return 0;
+ /*
* A star object can be accessed by any subject.
*/
if (object_label == smack_known_star.smk_known ||