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authorLinus Torvalds <torvalds@linux-foundation.org>2013-07-04 01:04:58 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-04 01:04:58 +0400
commitf39d420f672f99ad9a0fe7deb951a0030d4f0d9e (patch)
tree450e229a4305362f72cc5461aab8af4f2f5d023e /security/apparmor/include/match.h
parentfe489bf4505ae26d3c6d6a1f1d3064c2a9c5cd85 (diff)
parent572e5b018ba68d634f30aef71cf04d85c884aa05 (diff)
downloadlinux-f39d420f672f99ad9a0fe7deb951a0030d4f0d9e.tar.xz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem updates from James Morris: "In this update, Smack learns to love IPv6 and to mount a filesystem with a transmutable hierarchy (i.e. security labels are inherited from parent directory upon creation rather than creating process). The rest of the changes are maintenance" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (37 commits) tpm/tpm_i2c_infineon: Remove unused header file tpm: tpm_i2c_infinion: Don't modify i2c_client->driver evm: audit integrity metadata failures integrity: move integrity_audit_msg() evm: calculate HMAC after initializing posix acl on tmpfs maintainers: add Dmitry Kasatkin Smack: Fix the bug smackcipso can't set CIPSO correctly Smack: Fix possible NULL pointer dereference at smk_netlbl_mls() Smack: Add smkfstransmute mount option Smack: Improve access check performance Smack: Local IPv6 port based controls tpm: fix regression caused by section type conflict of tpm_dev_release() in ppc builds maintainers: Remove Kent from maintainers tpm: move TPM_DIGEST_SIZE defintion tpm_tis: missing platform_driver_unregister() on error in init_tis() security: clarify cap_inode_getsecctx description apparmor: no need to delay vfree() apparmor: fix fully qualified name parsing apparmor: fix setprocattr arg processing for onexec apparmor: localize getting the security context to a few macros ...
Diffstat (limited to 'security/apparmor/include/match.h')
-rw-r--r--security/apparmor/include/match.h21
1 files changed, 13 insertions, 8 deletions
diff --git a/security/apparmor/include/match.h b/security/apparmor/include/match.h
index 775843e7f984..001c43aa0406 100644
--- a/security/apparmor/include/match.h
+++ b/security/apparmor/include/match.h
@@ -4,7 +4,7 @@
* This file contains AppArmor policy dfa matching engine definitions.
*
* Copyright (C) 1998-2008 Novell/SUSE
- * Copyright 2009-2010 Canonical Ltd.
+ * Copyright 2009-2012 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -16,25 +16,30 @@
#define __AA_MATCH_H
#include <linux/kref.h>
-#include <linux/workqueue.h>
#define DFA_NOMATCH 0
#define DFA_START 1
-#define DFA_VALID_PERM_MASK 0xffffffff
-#define DFA_VALID_PERM2_MASK 0xffffffff
/**
* The format used for transition tables is based on the GNU flex table
* file format (--tables-file option; see Table File Format in the flex
* info pages and the flex sources for documentation). The magic number
* used in the header is 0x1B5E783D instead of 0xF13C57B1 though, because
- * the YY_ID_CHK (check) and YY_ID_DEF (default) tables are used
- * slightly differently (see the apparmor-parser package).
+ * new tables have been defined and others YY_ID_CHK (check) and YY_ID_DEF
+ * (default) tables are used slightly differently (see the apparmor-parser
+ * package).
+ *
+ *
+ * The data in the packed dfa is stored in network byte order, and the tables
+ * are arranged for flexibility. We convert the table data to host native
+ * byte order.
+ *
+ * The dfa begins with a table set header, and is followed by the actual
+ * tables.
*/
#define YYTH_MAGIC 0x1B5E783D
-#define YYTH_DEF_RECURSE 0x1 /* DEF Table is recursive */
struct table_set_header {
u32 th_magic; /* YYTH_MAGIC */
@@ -63,7 +68,7 @@ struct table_set_header {
#define YYTD_DATA32 4
#define YYTD_DATA64 8
-/* Each ACCEPT2 table gets 6 dedicated flags, YYTD_DATAX define the
+/* ACCEPT & ACCEPT2 tables gets 6 dedicated flags, YYTD_DATAX define the
* first flags
*/
#define ACCEPT1_FLAGS(X) ((X) & 0x3f)