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authorJohn Johansen <john.johansen@canonical.com>2017-01-16 00:42:13 -0800
committerJohn Johansen <john.johansen@canonical.com>2017-01-16 00:42:13 -0800
commit12557dcba21b015f470076da6947e68bc70fff64 (patch)
tree9915677156bb03f030b6877f1b3579c9c83a9c57 /security
parent8486adf0d755062611968ecc1632a13ebce71660 (diff)
downloadlinux-12557dcba21b015f470076da6947e68bc70fff64.tar.bz2
apparmor: move lib definitions into separate lib include
Signed-off-by: John Johansen <john.johansen@canonical.com>
Diffstat (limited to 'security')
-rw-r--r--security/apparmor/include/apparmor.h82
-rw-r--r--security/apparmor/include/lib.h94
-rw-r--r--security/apparmor/include/policy.h1
-rw-r--r--security/apparmor/lib.c2
-rw-r--r--security/apparmor/match.c2
5 files changed, 99 insertions, 82 deletions
diff --git a/security/apparmor/include/apparmor.h b/security/apparmor/include/apparmor.h
index 5d721e990876..1750cc0721c1 100644
--- a/security/apparmor/include/apparmor.h
+++ b/security/apparmor/include/apparmor.h
@@ -1,7 +1,7 @@
/*
* AppArmor security module
*
- * This file contains AppArmor basic global and lib definitions
+ * This file contains AppArmor basic global
*
* Copyright (C) 1998-2008 Novell/SUSE
* Copyright 2009-2010 Canonical Ltd.
@@ -15,10 +15,7 @@
#ifndef __APPARMOR_H
#define __APPARMOR_H
-#include <linux/slab.h>
-#include <linux/fs.h>
-
-#include "match.h"
+#include <linux/types.h>
/*
* Class of mediation types in the AppArmor policy db
@@ -43,79 +40,4 @@ extern bool aa_g_logsyscall;
extern bool aa_g_paranoid_load;
extern unsigned int aa_g_path_max;
-/*
- * DEBUG remains global (no per profile flag) since it is mostly used in sysctl
- * which is not related to profile accesses.
- */
-
-#define AA_DEBUG(fmt, args...) \
- do { \
- if (aa_g_debug && printk_ratelimit()) \
- printk(KERN_DEBUG "AppArmor: " fmt, ##args); \
- } while (0)
-
-#define AA_ERROR(fmt, args...) \
- do { \
- if (printk_ratelimit()) \
- printk(KERN_ERR "AppArmor: " fmt, ##args); \
- } while (0)
-
-/* Flag indicating whether initialization completed */
-extern int apparmor_initialized __initdata;
-
-/* fn's in lib */
-char *aa_split_fqname(char *args, char **ns_name);
-void aa_info_message(const char *str);
-void *__aa_kvmalloc(size_t size, gfp_t flags);
-
-static inline void *kvmalloc(size_t size)
-{
- return __aa_kvmalloc(size, 0);
-}
-
-static inline void *kvzalloc(size_t size)
-{
- return __aa_kvmalloc(size, __GFP_ZERO);
-}
-
-/* returns 0 if kref not incremented */
-static inline int kref_get_not0(struct kref *kref)
-{
- return atomic_inc_not_zero(&kref->refcount);
-}
-
-/**
- * aa_strneq - compare null terminated @str to a non null terminated substring
- * @str: a null terminated string
- * @sub: a substring, not necessarily null terminated
- * @len: length of @sub to compare
- *
- * The @str string must be full consumed for this to be considered a match
- */
-static inline bool aa_strneq(const char *str, const char *sub, int len)
-{
- return !strncmp(str, sub, len) && !str[len];
-}
-
-/**
- * aa_dfa_null_transition - step to next state after null character
- * @dfa: the dfa to match against
- * @start: the state of the dfa to start matching in
- *
- * aa_dfa_null_transition transitions to the next state after a null
- * character which is not used in standard matching and is only
- * used to separate pairs.
- */
-static inline unsigned int aa_dfa_null_transition(struct aa_dfa *dfa,
- unsigned int start)
-{
- /* the null transition only needs the string's null terminator byte */
- return aa_dfa_next(dfa, start, 0);
-}
-
-static inline bool mediated_filesystem(struct dentry *dentry)
-{
- return !(dentry->d_sb->s_flags & MS_NOUSER);
-}
-
#endif /* __APPARMOR_H */
diff --git a/security/apparmor/include/lib.h b/security/apparmor/include/lib.h
new file mode 100644
index 000000000000..71fd6d28a651
--- /dev/null
+++ b/security/apparmor/include/lib.h
@@ -0,0 +1,94 @@
+/*
+ * AppArmor security module
+ *
+ * This file contains AppArmor lib definitions
+ *
+ * 2017 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
+ * published by the Free Software Foundation, version 2 of the
+ * License.
+ */
+
+#ifndef __AA_LIB_H
+#define __AA_LIB_H
+
+#include <linux/slab.h>
+#include <linux/fs.h>
+
+#include "match.h"
+
+/*
+ * DEBUG remains global (no per profile flag) since it is mostly used in sysctl
+ * which is not related to profile accesses.
+ */
+
+#define AA_DEBUG(fmt, args...) \
+ do { \
+ if (aa_g_debug) \
+ pr_debug_ratelimited("AppArmor: " fmt, ##args); \
+ } while (0)
+
+#define AA_ERROR(fmt, args...) \
+ pr_err_ratelimited("AppArmor: " fmt, ##args)
+
+/* Flag indicating whether initialization completed */
+extern int apparmor_initialized __initdata;
+
+/* fn's in lib */
+char *aa_split_fqname(char *args, char **ns_name);
+void aa_info_message(const char *str);
+void *__aa_kvmalloc(size_t size, gfp_t flags);
+
+static inline void *kvmalloc(size_t size)
+{
+ return __aa_kvmalloc(size, 0);
+}
+
+static inline void *kvzalloc(size_t size)
+{
+ return __aa_kvmalloc(size, __GFP_ZERO);
+}
+
+/* returns 0 if kref not incremented */
+static inline int kref_get_not0(struct kref *kref)
+{
+ return atomic_inc_not_zero(&kref->refcount);
+}
+
+/**
+ * aa_strneq - compare null terminated @str to a non null terminated substring
+ * @str: a null terminated string
+ * @sub: a substring, not necessarily null terminated
+ * @len: length of @sub to compare
+ *
+ * The @str string must be full consumed for this to be considered a match
+ */
+static inline bool aa_strneq(const char *str, const char *sub, int len)
+{
+ return !strncmp(str, sub, len) && !str[len];
+}
+
+/**
+ * aa_dfa_null_transition - step to next state after null character
+ * @dfa: the dfa to match against
+ * @start: the state of the dfa to start matching in
+ *
+ * aa_dfa_null_transition transitions to the next state after a null
+ * character which is not used in standard matching and is only
+ * used to separate pairs.
+ */
+static inline unsigned int aa_dfa_null_transition(struct aa_dfa *dfa,
+ unsigned int start)
+{
+ /* the null transition only needs the string's null terminator byte */
+ return aa_dfa_next(dfa, start, 0);
+}
+
+static inline bool mediated_filesystem(struct dentry *dentry)
+{
+ return !(dentry->d_sb->s_flags & MS_NOUSER);
+}
+
+#endif /* AA_LIB_H */
diff --git a/security/apparmor/include/policy.h b/security/apparmor/include/policy.h
index 52275f040a5f..190fe37ecff0 100644
--- a/security/apparmor/include/policy.h
+++ b/security/apparmor/include/policy.h
@@ -27,6 +27,7 @@
#include "capability.h"
#include "domain.h"
#include "file.h"
+#include "lib.h"
#include "resource.h"
extern const char *const aa_profile_mode_names[];
diff --git a/security/apparmor/lib.c b/security/apparmor/lib.c
index 2ef422a25474..6028ffc008ae 100644
--- a/security/apparmor/lib.c
+++ b/security/apparmor/lib.c
@@ -19,7 +19,7 @@
#include "include/audit.h"
#include "include/apparmor.h"
-
+#include "include/lib.h"
/**
* aa_split_fqname - split a fqname into a profile and namespace name
diff --git a/security/apparmor/match.c b/security/apparmor/match.c
index 3f900fcca8fb..0e04bcf91154 100644
--- a/security/apparmor/match.c
+++ b/security/apparmor/match.c
@@ -20,7 +20,7 @@
#include <linux/err.h>
#include <linux/kref.h>
-#include "include/apparmor.h"
+#include "include/lib.h"
#include "include/match.h"
#define base_idx(X) ((X) & 0xffffff)