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authorMichael LeMay <mdlemay@epoch.ncsc.mil>2006-06-22 14:47:17 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-22 15:05:55 -0700
commitd720024e94de4e8b7f10ee83c532926f3ad5d708 (patch)
tree8f21613c29a26bfbeb334cb0104b8b998b09fbdc /security/selinux/include
parentf893afbe1262e27e91234506f72e17716190dd2f (diff)
[PATCH] selinux: add hooks for key subsystem
Introduce SELinux hooks to support the access key retention subsystem within the kernel. Incorporate new flask headers from a modified version of the SELinux reference policy, with support for the new security class representing retained keys. Extend the "key_alloc" security hook with a task parameter representing the intended ownership context for the key being allocated. Attach security information to root's default keyrings within the SELinux initialization routine. Has passed David's testsuite. Signed-off-by: Michael LeMay <mdlemay@epoch.ncsc.mil> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: James Morris <jmorris@namei.org> Acked-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'security/selinux/include')
-rw-r--r--security/selinux/include/av_perm_to_string.h6
-rw-r--r--security/selinux/include/av_permissions.h8
-rw-r--r--security/selinux/include/class_to_string.h1
-rw-r--r--security/selinux/include/flask.h1
-rw-r--r--security/selinux/include/objsec.h5
5 files changed, 21 insertions, 0 deletions
diff --git a/security/selinux/include/av_perm_to_string.h b/security/selinux/include/av_perm_to_string.h
index 70ee65a58817..bc020bde6c86 100644
--- a/security/selinux/include/av_perm_to_string.h
+++ b/security/selinux/include/av_perm_to_string.h
@@ -242,3 +242,9 @@
S_(SECCLASS_PACKET, PACKET__SEND, "send")
S_(SECCLASS_PACKET, PACKET__RECV, "recv")
S_(SECCLASS_PACKET, PACKET__RELABELTO, "relabelto")
+ S_(SECCLASS_KEY, KEY__VIEW, "view")
+ S_(SECCLASS_KEY, KEY__READ, "read")
+ S_(SECCLASS_KEY, KEY__WRITE, "write")
+ S_(SECCLASS_KEY, KEY__SEARCH, "search")
+ S_(SECCLASS_KEY, KEY__LINK, "link")
+ S_(SECCLASS_KEY, KEY__SETATTR, "setattr")
diff --git a/security/selinux/include/av_permissions.h b/security/selinux/include/av_permissions.h
index 1d9cf3d306bc..1205227a3a33 100644
--- a/security/selinux/include/av_permissions.h
+++ b/security/selinux/include/av_permissions.h
@@ -959,3 +959,11 @@
#define PACKET__SEND 0x00000001UL
#define PACKET__RECV 0x00000002UL
#define PACKET__RELABELTO 0x00000004UL
+
+#define KEY__VIEW 0x00000001UL
+#define KEY__READ 0x00000002UL
+#define KEY__WRITE 0x00000004UL
+#define KEY__SEARCH 0x00000008UL
+#define KEY__LINK 0x00000010UL
+#define KEY__SETATTR 0x00000020UL
+
diff --git a/security/selinux/include/class_to_string.h b/security/selinux/include/class_to_string.h
index 3aec75fee4f7..24303b61309f 100644
--- a/security/selinux/include/class_to_string.h
+++ b/security/selinux/include/class_to_string.h
@@ -60,3 +60,4 @@
S_("netlink_kobject_uevent_socket")
S_("appletalk_socket")
S_("packet")
+ S_("key")
diff --git a/security/selinux/include/flask.h b/security/selinux/include/flask.h
index a0eb9e281d18..95887aed2a68 100644
--- a/security/selinux/include/flask.h
+++ b/security/selinux/include/flask.h
@@ -62,6 +62,7 @@
#define SECCLASS_NETLINK_KOBJECT_UEVENT_SOCKET 55
#define SECCLASS_APPLETALK_SOCKET 56
#define SECCLASS_PACKET 57
+#define SECCLASS_KEY 58
/*
* Security identifier indices for initial entities
diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h
index 54c030778882..8f5547ad1856 100644
--- a/security/selinux/include/objsec.h
+++ b/security/selinux/include/objsec.h
@@ -99,6 +99,11 @@ struct sk_security_struct {
u32 peer_sid; /* SID of peer */
};
+struct key_security_struct {
+ struct key *obj; /* back pointer */
+ u32 sid; /* SID of key */
+};
+
extern unsigned int selinux_checkreqprot;
#endif /* _SELINUX_OBJSEC_H_ */

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