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authorJohn Johansen <john.johansen@canonical.com>2012-02-16 07:07:53 -0800
committerJohn Johansen <john.johansen@canonical.com>2012-03-14 19:09:03 -0700
commitad5ff3db53c68c2f12936bc74ea5dfe0af943592 (patch)
tree72d9ac19fdca90d283a05f444870847ce5fb9f0c /security/apparmor/include
parent57fa1e18091e66b7e1002816523cb218196a882e (diff)
downloadblackbird-obmc-linux-ad5ff3db53c68c2f12936bc74ea5dfe0af943592.tar.gz
blackbird-obmc-linux-ad5ff3db53c68c2f12936bc74ea5dfe0af943592.zip
AppArmor: Add ability to load extended policy
Add the base support for the new policy extensions. This does not bring any additional functionality, or change current semantics. Signed-off-by: John Johansen <john.johansen@canonical.com> Acked-by: Kees Cook <kees@ubuntu.com>
Diffstat (limited to 'security/apparmor/include')
-rw-r--r--security/apparmor/include/apparmor.h13
-rw-r--r--security/apparmor/include/policy.h13
2 files changed, 26 insertions, 0 deletions
diff --git a/security/apparmor/include/apparmor.h b/security/apparmor/include/apparmor.h
index 248c408ddc1b..40aedd9f73ea 100644
--- a/security/apparmor/include/apparmor.h
+++ b/security/apparmor/include/apparmor.h
@@ -19,6 +19,19 @@
#include "match.h"
+/*
+ * Class of mediation types in the AppArmor policy db
+ */
+#define AA_CLASS_ENTRY 0
+#define AA_CLASS_UNKNOWN 1
+#define AA_CLASS_FILE 2
+#define AA_CLASS_CAP 3
+#define AA_CLASS_NET 4
+#define AA_CLASS_RLIMITS 5
+#define AA_CLASS_DOMAIN 6
+
+#define AA_CLASS_LAST AA_CLASS_DOMAIN
+
/* Control parameters settable through module/boot flags */
extern enum audit_mode aa_g_audit;
extern bool aa_g_audit_header;
diff --git a/security/apparmor/include/policy.h b/security/apparmor/include/policy.h
index aeda5cf56904..9e18e9609e24 100644
--- a/security/apparmor/include/policy.h
+++ b/security/apparmor/include/policy.h
@@ -129,6 +129,17 @@ struct aa_namespace {
struct list_head sub_ns;
};
+/* struct aa_policydb - match engine for a policy
+ * dfa: dfa pattern match
+ * start: set of start states for the different classes of data
+ */
+struct aa_policydb {
+ /* Generic policy DFA specific rule types will be subsections of it */
+ struct aa_dfa *dfa;
+ unsigned int start[AA_CLASS_LAST + 1];
+
+};
+
/* struct aa_profile - basic confinement data
* @base - base components of the profile (name, refcount, lists, lock ...)
* @parent: parent of profile
@@ -143,6 +154,7 @@ struct aa_namespace {
* @flags: flags controlling profile behavior
* @path_flags: flags controlling path generation behavior
* @size: the memory consumed by this profiles rules
+ * @policy: general match rules governing policy
* @file: The set of rules governing basic file access and domain transitions
* @caps: capabilities for the profile
* @rlimits: rlimits for the profile
@@ -179,6 +191,7 @@ struct aa_profile {
u32 path_flags;
int size;
+ struct aa_policydb policy;
struct aa_file_rules file;
struct aa_caps caps;
struct aa_rlimit rlimits;
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