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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.h
parent238c6d54830c624f34ac9cf123ac04aebfca5013 (diff)
parent3699c53c485bf0168e6500d0ed18bf931584dd7c (diff)
downloadlinux-sh-ac8cc0fa5395fe2278e305a4cbed48e90d88d878.tar.gz
Merge branch 'next' into for-linus
Diffstat (limited to 'security/smack/smack.h')
-rw-r--r--security/smack/smack.h31
1 files changed, 29 insertions, 2 deletions
diff --git a/security/smack/smack.h b/security/smack/smack.h
index 31dce559595a..b79582e4fbfd 100644
--- a/security/smack/smack.h
+++ b/security/smack/smack.h
@@ -16,6 +16,7 @@
#include <linux/capability.h>
#include <linux/spinlock.h>
#include <linux/security.h>
+#include <linux/in.h>
#include <net/netlabel.h>
/*
@@ -39,6 +40,7 @@ struct superblock_smack {
struct socket_smack {
char *smk_out; /* outbound label */
char *smk_in; /* inbound label */
+ int smk_labeled; /* label scheme */
char smk_packet[SMK_LABELLEN]; /* TCP peer label */
};
@@ -80,6 +82,16 @@ struct smack_cipso {
};
/*
+ * An entry in the table identifying hosts.
+ */
+struct smk_netlbladdr {
+ struct smk_netlbladdr *smk_next;
+ struct sockaddr_in smk_host; /* network address */
+ struct in_addr smk_mask; /* network mask */
+ char *smk_label; /* label */
+};
+
+/*
* This is the repository for labels seen so that it is
* not necessary to keep allocating tiny chuncks of memory
* and so that they can be shared.
@@ -127,6 +139,20 @@ struct smack_known {
#define XATTR_NAME_SMACKIPOUT XATTR_SECURITY_PREFIX XATTR_SMACK_IPOUT
/*
+ * How communications on this socket are treated.
+ * Usually it's determined by the underlying netlabel code
+ * but there are certain cases, including single label hosts
+ * and potentially single label interfaces for which the
+ * treatment can not be known in advance.
+ *
+ * The possibility of additional labeling schemes being
+ * introduced in the future exists as well.
+ */
+#define SMACK_UNLABELED_SOCKET 0
+#define SMACK_CIPSO_SOCKET 1
+
+/*
+ * smackfs magic number
* smackfs macic number
*/
#define SMACK_MAGIC 0x43415d53 /* "SMAC" */
@@ -141,6 +167,7 @@ struct smack_known {
* CIPSO defaults.
*/
#define SMACK_CIPSO_DOI_DEFAULT 3 /* Historical */
+#define SMACK_CIPSO_DOI_INVALID -1 /* Not a DOI */
#define SMACK_CIPSO_DIRECT_DEFAULT 250 /* Arbitrary */
#define SMACK_CIPSO_MAXCATVAL 63 /* Bigger gets harder */
#define SMACK_CIPSO_MAXLEVEL 255 /* CIPSO 2.2 standard */
@@ -176,7 +203,6 @@ u32 smack_to_secid(const char *);
* Shared data.
*/
extern int smack_cipso_direct;
-extern int smack_net_nltype;
extern char *smack_net_ambient;
extern char *smack_onlycap;
@@ -186,9 +212,10 @@ extern struct smack_known smack_known_hat;
extern struct smack_known smack_known_huh;
extern struct smack_known smack_known_invalid;
extern struct smack_known smack_known_star;
-extern struct smack_known smack_known_unset;
+extern struct smack_known smack_known_web;
extern struct smk_list_entry *smack_list;
+extern struct smk_netlbladdr *smack_netlbladdrs;
extern struct security_operations smack_ops;
/*