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-rw-r--r--security/apparmor/include/apparmor.h92
-rw-r--r--security/apparmor/include/apparmorfs.h20
-rw-r--r--security/apparmor/include/audit.h123
-rw-r--r--security/apparmor/include/capability.h45
-rw-r--r--security/apparmor/include/context.h154
-rw-r--r--security/apparmor/include/domain.h36
-rw-r--r--security/apparmor/include/file.h217
-rw-r--r--security/apparmor/include/ipc.h28
-rw-r--r--security/apparmor/include/match.h132
-rw-r--r--security/apparmor/include/path.h31
-rw-r--r--security/apparmor/include/policy.h305
-rw-r--r--security/apparmor/include/policy_unpack.h20
-rw-r--r--security/apparmor/include/procattr.h26
-rw-r--r--security/apparmor/include/resource.h46
-rw-r--r--security/apparmor/include/sid.h24
15 files changed, 1299 insertions, 0 deletions
diff --git a/security/apparmor/include/apparmor.h b/security/apparmor/include/apparmor.h
new file mode 100644
index 00000000000..38ccaea0820
--- /dev/null
+++ b/security/apparmor/include/apparmor.h
@@ -0,0 +1,92 @@
1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor basic global and lib definitions
5 *
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2 of the
12 * License.
13 */
14
15#ifndef __APPARMOR_H
16#define __APPARMOR_H
17
18#include <linux/fs.h>
19
20#include "match.h"
21
22/* Control parameters settable through module/boot flags */
23extern enum audit_mode aa_g_audit;
24extern int aa_g_audit_header;
25extern int aa_g_debug;
26extern int aa_g_lock_policy;
27extern int aa_g_logsyscall;
28extern int aa_g_paranoid_load;
29extern unsigned int aa_g_path_max;
30
31/*
32 * DEBUG remains global (no per profile flag) since it is mostly used in sysctl
33 * which is not related to profile accesses.
34 */
35
36#define AA_DEBUG(fmt, args...) \
37 do { \
38 if (aa_g_debug && printk_ratelimit()) \
39 printk(KERN_DEBUG "AppArmor: " fmt, ##args); \
40 } while (0)
41
42#define AA_ERROR(fmt, args...) \
43 do { \
44 if (printk_ratelimit()) \
45 printk(KERN_ERR "AppArmor: " fmt, ##args); \
46 } while (0)
47
48/* Flag indicating whether initialization completed */
49extern int apparmor_initialized __initdata;
50
51/* fn's in lib */
52char *aa_split_fqname(char *args, char **ns_name);
53void aa_info_message(const char *str);
54void *kvmalloc(size_t size);
55void kvfree(void *buffer);
56
57
58/**
59 * aa_strneq - compare null terminated @str to a non null terminated substring
60 * @str: a null terminated string
61 * @sub: a substring, not necessarily null terminated
62 * @len: length of @sub to compare
63 *
64 * The @str string must be full consumed for this to be considered a match
65 */
66static inline bool aa_strneq(const char *str, const char *sub, int len)
67{
68 return !strncmp(str, sub, len) && !str[len];
69}
70
71/**
72 * aa_dfa_null_transition - step to next state after null character
73 * @dfa: the dfa to match against
74 * @start: the state of the dfa to start matching in
75 *
76 * aa_dfa_null_transition transitions to the next state after a null
77 * character which is not used in standard matching and is only
78 * used to separate pairs.
79 */
80static inline unsigned int aa_dfa_null_transition(struct aa_dfa *dfa,
81 unsigned int start)
82{
83 /* the null transition only needs the string's null terminator byte */
84 return aa_dfa_match_len(dfa, start, "", 1);
85}
86
87static inline bool mediated_filesystem(struct inode *inode)
88{
89 return !(inode->i_sb->s_flags & MS_NOUSER);
90}
91
92#endif /* __APPARMOR_H */
diff --git a/security/apparmor/include/apparmorfs.h b/security/apparmor/include/apparmorfs.h
new file mode 100644
index 00000000000..cb1e93a114d
--- /dev/null
+++ b/security/apparmor/include/apparmorfs.h
@@ -0,0 +1,20 @@
1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor filesystem definitions.
5 *
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2 of the
12 * License.
13 */
14
15#ifndef __AA_APPARMORFS_H
16#define __AA_APPARMORFS_H
17
18extern void __init aa_destroy_aafs(void);
19
20#endif /* __AA_APPARMORFS_H */
diff --git a/security/apparmor/include/audit.h b/security/apparmor/include/audit.h
new file mode 100644
index 00000000000..1951786d32e
--- /dev/null
+++ b/security/apparmor/include/audit.h
@@ -0,0 +1,123 @@
1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor auditing function definitions.
5 *
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2 of the
12 * License.
13 */
14
15#ifndef __AA_AUDIT_H
16#define __AA_AUDIT_H
17
18#include <linux/audit.h>
19#include <linux/fs.h>
20#include <linux/lsm_audit.h>
21#include <linux/sched.h>
22#include <linux/slab.h>
23
24#include "file.h"
25
26struct aa_profile;
27
28extern const char *audit_mode_names[];
29#define AUDIT_MAX_INDEX 5
30
31#define AUDIT_APPARMOR_AUTO 0 /* auto choose audit message type */
32
33enum audit_mode {
34 AUDIT_NORMAL, /* follow normal auditing of accesses */
35 AUDIT_QUIET_DENIED, /* quiet all denied access messages */
36 AUDIT_QUIET, /* quiet all messages */
37 AUDIT_NOQUIET, /* do not quiet audit messages */
38 AUDIT_ALL /* audit all accesses */
39};
40
41enum audit_type {
42 AUDIT_APPARMOR_AUDIT,
43 AUDIT_APPARMOR_ALLOWED,
44 AUDIT_APPARMOR_DENIED,
45 AUDIT_APPARMOR_HINT,
46 AUDIT_APPARMOR_STATUS,
47 AUDIT_APPARMOR_ERROR,
48 AUDIT_APPARMOR_KILL
49};
50
51extern const char *op_table[];
52enum aa_ops {
53 OP_NULL,
54
55 OP_SYSCTL,
56 OP_CAPABLE,
57
58 OP_UNLINK,
59 OP_MKDIR,
60 OP_RMDIR,
61 OP_MKNOD,
62 OP_TRUNC,
63 OP_LINK,
64 OP_SYMLINK,
65 OP_RENAME_SRC,
66 OP_RENAME_DEST,
67 OP_CHMOD,
68 OP_CHOWN,
69 OP_GETATTR,
70 OP_OPEN,
71
72 OP_FPERM,
73 OP_FLOCK,
74 OP_FMMAP,
75 OP_FMPROT,
76
77 OP_CREATE,
78 OP_POST_CREATE,
79 OP_BIND,
80 OP_CONNECT,
81 OP_LISTEN,
82 OP_ACCEPT,
83 OP_SENDMSG,
84 OP_RECVMSG,
85 OP_GETSOCKNAME,
86 OP_GETPEERNAME,
87 OP_GETSOCKOPT,
88 OP_SETSOCKOPT,
89 OP_SOCK_SHUTDOWN,
90
91 OP_PTRACE,
92
93 OP_EXEC,
94 OP_CHANGE_HAT,
95 OP_CHANGE_PROFILE,
96 OP_CHANGE_ONEXEC,
97
98 OP_SETPROCATTR,
99 OP_SETRLIMIT,
100
101 OP_PROF_REPL,
102 OP_PROF_LOAD,
103 OP_PROF_RM,
104};
105
106
107/* define a short hand for apparmor_audit_data portion of common_audit_data */
108#define aad apparmor_audit_data
109
110void aa_audit_msg(int type, struct common_audit_data *sa,
111 void (*cb) (struct audit_buffer *, void *));
112int aa_audit(int type, struct aa_profile *profile, gfp_t gfp,
113 struct common_audit_data *sa,
114 void (*cb) (struct audit_buffer *, void *));
115
116static inline int complain_error(int error)
117{
118 if (error == -EPERM || error == -EACCES)
119 return 0;
120 return error;
121}
122
123#endif /* __AA_AUDIT_H */
diff --git a/security/apparmor/include/capability.h b/security/apparmor/include/capability.h
new file mode 100644
index 00000000000..c24d2959ea0
--- /dev/null
+++ b/security/apparmor/include/capability.h
@@ -0,0 +1,45 @@
1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor capability mediation definitions.
5 *
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2 of the
12 * License.
13 */
14
15#ifndef __AA_CAPABILITY_H
16#define __AA_CAPABILITY_H
17
18#include <linux/sched.h>
19
20struct aa_profile;
21
22/* aa_caps - confinement data for capabilities
23 * @allowed: capabilities mask
24 * @audit: caps that are to be audited
25 * @quiet: caps that should not be audited
26 * @kill: caps that when requested will result in the task being killed
27 * @extended: caps that are subject finer grained mediation
28 */
29struct aa_caps {
30 kernel_cap_t allow;
31 kernel_cap_t audit;
32 kernel_cap_t quiet;
33 kernel_cap_t kill;
34 kernel_cap_t extended;
35};
36
37int aa_capable(struct task_struct *task, struct aa_profile *profile, int cap,
38 int audit);
39
40static inline void aa_free_cap_rules(struct aa_caps *caps)
41{
42 /* NOP */
43}
44
45#endif /* __AA_CAPBILITY_H */
diff --git a/security/apparmor/include/context.h b/security/apparmor/include/context.h
new file mode 100644
index 00000000000..a9cbee4d9e4
--- /dev/null
+++ b/security/apparmor/include/context.h
@@ -0,0 +1,154 @@
1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor contexts used to associate "labels" to objects.
5 *
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2 of the
12 * License.
13 */
14
15#ifndef __AA_CONTEXT_H
16#define __AA_CONTEXT_H
17
18#include <linux/cred.h>
19#include <linux/slab.h>
20#include <linux/sched.h>
21
22#include "policy.h"
23
24/* struct aa_file_cxt - the AppArmor context the file was opened in
25 * @perms: the permission the file was opened with
26 *
27 * The file_cxt could currently be directly stored in file->f_security
28 * as the profile reference is now stored in the f_cred. However the
29 * cxt struct will expand in the future so we keep the struct.
30 */
31struct aa_file_cxt {
32 u16 allow;
33};
34
35/**
36 * aa_alloc_file_context - allocate file_cxt
37 * @gfp: gfp flags for allocation
38 *
39 * Returns: file_cxt or NULL on failure
40 */
41static inline struct aa_file_cxt *aa_alloc_file_context(gfp_t gfp)
42{
43 return kzalloc(sizeof(struct aa_file_cxt), gfp);
44}
45
46/**
47 * aa_free_file_context - free a file_cxt
48 * @cxt: file_cxt to free (MAYBE_NULL)
49 */
50static inline void aa_free_file_context(struct aa_file_cxt *cxt)
51{
52 if (cxt)
53 kzfree(cxt);
54}
55
56/**
57 * struct aa_task_cxt - primary label for confined tasks
58 * @profile: the current profile (NOT NULL)
59 * @exec: profile to transition to on next exec (MAYBE NULL)
60 * @previous: profile the task may return to (MAYBE NULL)
61 * @token: magic value the task must know for returning to @previous_profile
62 *
63 * Contains the task's current profile (which could change due to
64 * change_hat). Plus the hat_magic needed during change_hat.
65 *
66 * TODO: make so a task can be confined by a stack of contexts
67 */
68struct aa_task_cxt {
69 struct aa_profile *profile;
70 struct aa_profile *onexec;
71 struct aa_profile *previous;
72 u64 token;
73};
74
75struct aa_task_cxt *aa_alloc_task_context(gfp_t flags);
76void aa_free_task_context(struct aa_task_cxt *cxt);
77void aa_dup_task_context(struct aa_task_cxt *new,
78 const struct aa_task_cxt *old);
79int aa_replace_current_profile(struct aa_profile *profile);
80int aa_set_current_onexec(struct aa_profile *profile);
81int aa_set_current_hat(struct aa_profile *profile, u64 token);
82int aa_restore_previous_profile(u64 cookie);
83
84/**
85 * __aa_task_is_confined - determine if @task has any confinement
86 * @task: task to check confinement of (NOT NULL)
87 *
88 * If @task != current needs to be called in RCU safe critical section
89 */
90static inline bool __aa_task_is_confined(struct task_struct *task)
91{
92 struct aa_task_cxt *cxt = __task_cred(task)->security;
93
94 BUG_ON(!cxt || !cxt->profile);
95 if (unconfined(aa_newest_version(cxt->profile)))
96 return 0;
97
98 return 1;
99}
100
101/**
102 * aa_cred_profile - obtain cred's profiles
103 * @cred: cred to obtain profiles from (NOT NULL)
104 *
105 * Returns: confining profile
106 *
107 * does NOT increment reference count
108 */
109static inline struct aa_profile *aa_cred_profile(const struct cred *cred)
110{
111 struct aa_task_cxt *cxt = cred->security;
112 BUG_ON(!cxt || !cxt->profile);
113 return aa_newest_version(cxt->profile);
114}
115
116/**
117 * __aa_current_profile - find the current tasks confining profile
118 *
119 * Returns: up to date confining profile or the ns unconfined profile (NOT NULL)
120 *
121 * This fn will not update the tasks cred to the most up to date version
122 * of the profile so it is safe to call when inside of locks.
123 */
124static inline struct aa_profile *__aa_current_profile(void)
125{
126 return aa_cred_profile(current_cred());
127}
128
129/**
130 * aa_current_profile - find the current tasks confining profile and do updates
131 *
132 * Returns: up to date confining profile or the ns unconfined profile (NOT NULL)
133 *
134 * This fn will update the tasks cred structure if the profile has been
135 * replaced. Not safe to call inside locks
136 */
137static inline struct aa_profile *aa_current_profile(void)
138{
139 const struct aa_task_cxt *cxt = current_cred()->security;
140 struct aa_profile *profile;
141 BUG_ON(!cxt || !cxt->profile);
142
143 profile = aa_newest_version(cxt->profile);
144 /*
145 * Whether or not replacement succeeds, use newest profile so
146 * there is no need to update it after replacement.
147 */
148 if (unlikely((cxt->profile != profile)))
149 aa_replace_current_profile(profile);
150
151 return profile;
152}
153
154#endif /* __AA_CONTEXT_H */
diff --git a/security/apparmor/include/domain.h b/security/apparmor/include/domain.h
new file mode 100644
index 00000000000..de04464f0a3
--- /dev/null
+++ b/security/apparmor/include/domain.h
@@ -0,0 +1,36 @@
1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor security domain transition function definitions.
5 *
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2 of the
12 * License.
13 */
14
15#include <linux/binfmts.h>
16#include <linux/types.h>
17
18#ifndef __AA_DOMAIN_H
19#define __AA_DOMAIN_H
20
21struct aa_domain {
22 int size;
23 char **table;
24};
25
26int apparmor_bprm_set_creds(struct linux_binprm *bprm);
27int apparmor_bprm_secureexec(struct linux_binprm *bprm);
28void apparmor_bprm_committing_creds(struct linux_binprm *bprm);
29void apparmor_bprm_committed_creds(struct linux_binprm *bprm);
30
31void aa_free_domain_entries(struct aa_domain *domain);
32int aa_change_hat(const char *hats[], int count, u64 token, bool permtest);
33int aa_change_profile(const char *ns_name, const char *name, bool onexec,
34 bool permtest);
35
36#endif /* __AA_DOMAIN_H */
diff --git a/security/apparmor/include/file.h b/security/apparmor/include/file.h
new file mode 100644
index 00000000000..be36feabb16
--- /dev/null
+++ b/security/apparmor/include/file.h
@@ -0,0 +1,217 @@
1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor file mediation function definitions.
5 *
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2 of the
12 * License.
13 */
14
15#ifndef __AA_FILE_H
16#define __AA_FILE_H
17
18#include <linux/path.h>
19
20#include "domain.h"
21#include "match.h"
22
23struct aa_profile;
24
25/*
26 * We use MAY_EXEC, MAY_WRITE, MAY_READ, MAY_APPEND and the following flags
27 * for profile permissions
28 */
29#define AA_MAY_CREATE 0x0010
30#define AA_MAY_DELETE 0x0020
31#define AA_MAY_META_WRITE 0x0040
32#define AA_MAY_META_READ 0x0080
33
34#define AA_MAY_CHMOD 0x0100
35#define AA_MAY_CHOWN 0x0200
36#define AA_MAY_LOCK 0x0400
37#define AA_EXEC_MMAP 0x0800
38
39#define AA_MAY_LINK 0x1000
40#define AA_LINK_SUBSET AA_MAY_LOCK /* overlaid */
41#define AA_MAY_ONEXEC 0x40000000 /* exec allows onexec */
42#define AA_MAY_CHANGE_PROFILE 0x80000000
43#define AA_MAY_CHANGEHAT 0x80000000 /* ctrl auditing only */
44
45#define AA_AUDIT_FILE_MASK (MAY_READ | MAY_WRITE | MAY_EXEC | MAY_APPEND |\
46 AA_MAY_CREATE | AA_MAY_DELETE | \
47 AA_MAY_META_READ | AA_MAY_META_WRITE | \
48 AA_MAY_CHMOD | AA_MAY_CHOWN | AA_MAY_LOCK | \
49 AA_EXEC_MMAP | AA_MAY_LINK)
50
51/*
52 * The xindex is broken into 3 parts
53 * - index - an index into either the exec name table or the variable table
54 * - exec type - which determines how the executable name and index are used
55 * - flags - which modify how the destination name is applied
56 */
57#define AA_X_INDEX_MASK 0x03ff
58
59#define AA_X_TYPE_MASK 0x0c00
60#define AA_X_TYPE_SHIFT 10
61#define AA_X_NONE 0x0000
62#define AA_X_NAME 0x0400 /* use executable name px */
63#define AA_X_TABLE 0x0800 /* use a specified name ->n# */
64
65#define AA_X_UNSAFE 0x1000
66#define AA_X_CHILD 0x2000 /* make >AA_X_NONE apply to children */
67#define AA_X_INHERIT 0x4000
68#define AA_X_UNCONFINED 0x8000
69
70/* AA_SECURE_X_NEEDED - is passed in the bprm->unsafe field */
71#define AA_SECURE_X_NEEDED 0x8000
72
73/* need to make conditional which ones are being set */
74struct path_cond {
75 uid_t uid;
76 umode_t mode;
77};
78
79/* struct file_perms - file permission
80 * @allow: mask of permissions that are allowed
81 * @audit: mask of permissions to force an audit message for
82 * @quiet: mask of permissions to quiet audit messages for
83 * @kill: mask of permissions that when matched will kill the task
84 * @xindex: exec transition index if @allow contains MAY_EXEC
85 *
86 * The @audit and @queit mask should be mutually exclusive.
87 */
88struct file_perms {
89 u32 allow;
90 u32 audit;
91 u32 quiet;
92 u32 kill;
93 u16 xindex;
94};
95
96extern struct file_perms nullperms;
97
98#define COMBINED_PERM_MASK(X) ((X).allow | (X).audit | (X).quiet | (X).kill)
99
100/* FIXME: split perms from dfa and match this to description
101 * also add delegation info.
102 */
103static inline u16 dfa_map_xindex(u16 mask)
104{
105 u16 old_index = (mask >> 10) & 0xf;
106 u16 index = 0;
107
108 if (mask & 0x100)
109 index |= AA_X_UNSAFE;
110 if (mask & 0x200)
111 index |= AA_X_INHERIT;
112 if (mask & 0x80)
113 index |= AA_X_UNCONFINED;
114
115 if (old_index == 1) {
116 index |= AA_X_UNCONFINED;
117 } else if (old_index == 2) {
118 index |= AA_X_NAME;
119 } else if (old_index == 3) {
120 index |= AA_X_NAME | AA_X_CHILD;
121 } else {
122 index |= AA_X_TABLE;
123 index |= old_index - 4;
124 }
125
126 return index;
127}
128
129/*
130 * map old dfa inline permissions to new format
131 */
132#define dfa_user_allow(dfa, state) (((ACCEPT_TABLE(dfa)[state]) & 0x7f) | \
133 ((ACCEPT_TABLE(dfa)[state]) & 0x80000000))
134#define dfa_user_audit(dfa, state) ((ACCEPT_TABLE2(dfa)[state]) & 0x7f)
135#define dfa_user_quiet(dfa, state) (((ACCEPT_TABLE2(dfa)[state]) >> 7) & 0x7f)
136#define dfa_user_xindex(dfa, state) \
137 (dfa_map_xindex(ACCEPT_TABLE(dfa)[state] & 0x3fff))
138
139#define dfa_other_allow(dfa, state) ((((ACCEPT_TABLE(dfa)[state]) >> 14) & \
140 0x7f) | \
141 ((ACCEPT_TABLE(dfa)[state]) & 0x80000000))
142#define dfa_other_audit(dfa, state) (((ACCEPT_TABLE2(dfa)[state]) >> 14) & 0x7f)
143#define dfa_other_quiet(dfa, state) \
144 ((((ACCEPT_TABLE2(dfa)[state]) >> 7) >> 14) & 0x7f)
145#define dfa_other_xindex(dfa, state) \
146 dfa_map_xindex((ACCEPT_TABLE(dfa)[state] >> 14) & 0x3fff)
147
148int aa_audit_file(struct aa_profile *profile, struct file_perms *perms,
149 gfp_t gfp, int op, u32 request, const char *name,
150 const char *target, uid_t ouid, const char *info, int error);
151
152/**
153 * struct aa_file_rules - components used for file rule permissions
154 * @dfa: dfa to match path names and conditionals against
155 * @perms: permission table indexed by the matched state accept entry of @dfa
156 * @trans: transition table for indexed by named x transitions
157 *
158 * File permission are determined by matching a path against @dfa and then
159 * then using the value of the accept entry for the matching state as
160 * an index into @perms. If a named exec transition is required it is
161 * looked up in the transition table.
162 */
163struct aa_file_rules {
164 unsigned int start;
165 struct aa_dfa *dfa;
166 /* struct perms perms; */
167 struct aa_domain trans;
168 /* TODO: add delegate table */
169};
170
171unsigned int aa_str_perms(struct aa_dfa *dfa, unsigned int start,
172 const char *name, struct path_cond *cond,
173 struct file_perms *perms);
174
175int aa_path_perm(int op, struct aa_profile *profile, struct path *path,
176 int flags, u32 request, struct path_cond *cond);
177
178int aa_path_link(struct aa_profile *profile, struct dentry *old_dentry,
179 struct path *new_dir, struct dentry *new_dentry);
180
181int aa_file_perm(int op, struct aa_profile *profile, struct file *file,
182 u32 request);
183
184static inline void aa_free_file_rules(struct aa_file_rules *rules)
185{
186 aa_put_dfa(rules->dfa);
187 aa_free_domain_entries(&rules->trans);
188}
189
190#define ACC_FMODE(x) (("\000\004\002\006"[(x)&O_ACCMODE]) | (((x) << 1) & 0x40))
191
192/* from namei.c */
193#define MAP_OPEN_FLAGS(x) ((((x) + 1) & O_ACCMODE) ? (x) + 1 : (x))
194
195/**
196 * aa_map_file_perms - map file flags to AppArmor permissions
197 * @file: open file to map flags to AppArmor permissions
198 *
199 * Returns: apparmor permission set for the file
200 */
201static inline u32 aa_map_file_to_perms(struct file *file)
202{
203 int flags = MAP_OPEN_FLAGS(file->f_flags);
204 u32 perms = ACC_FMODE(file->f_mode);
205
206 if ((flags & O_APPEND) && (perms & MAY_WRITE))
207 perms = (perms & ~MAY_WRITE) | MAY_APPEND;
208 /* trunc implies write permission */
209 if (flags & O_TRUNC)
210 perms |= MAY_WRITE;
211 if (flags & O_CREAT)
212 perms |= AA_MAY_CREATE;
213
214 return perms;
215}
216
217#endif /* __AA_FILE_H */
diff --git a/security/apparmor/include/ipc.h b/security/apparmor/include/ipc.h
new file mode 100644
index 00000000000..aeda0fbc8b2
--- /dev/null
+++ b/security/apparmor/include/ipc.h
@@ -0,0 +1,28 @@
1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor ipc mediation function definitions.
5 *
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2 of the
12 * License.
13 */
14
15#ifndef __AA_IPC_H
16#define __AA_IPC_H
17
18#include <linux/sched.h>
19
20struct aa_profile;
21
22int aa_may_ptrace(struct task_struct *tracer_task, struct aa_profile *tracer,
23 struct aa_profile *tracee, unsigned int mode);
24
25int aa_ptrace(struct task_struct *tracer, struct task_struct *tracee,
26 unsigned int mode);
27
28#endif /* __AA_IPC_H */
diff --git a/security/apparmor/include/match.h b/security/apparmor/include/match.h
new file mode 100644
index 00000000000..734a6d35112
--- /dev/null
+++ b/security/apparmor/include/match.h
@@ -0,0 +1,132 @@
1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor policy dfa matching engine definitions.
5 *
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2 of the
12 * License.
13 */
14
15#ifndef __AA_MATCH_H
16#define __AA_MATCH_H
17
18#include <linux/workqueue.h>
19
20#define DFA_NOMATCH 0
21#define DFA_START 1
22
23#define DFA_VALID_PERM_MASK 0xffffffff
24#define DFA_VALID_PERM2_MASK 0xffffffff
25
26/**
27 * The format used for transition tables is based on the GNU flex table
28 * file format (--tables-file option; see Table File Format in the flex
29 * info pages and the flex sources for documentation). The magic number
30 * used in the header is 0x1B5E783D insted of 0xF13C57B1 though, because
31 * the YY_ID_CHK (check) and YY_ID_DEF (default) tables are used
32 * slightly differently (see the apparmor-parser package).
33 */
34
35#define YYTH_MAGIC 0x1B5E783D
36#define YYTH_DEF_RECURSE 0x1 /* DEF Table is recursive */
37
38struct table_set_header {
39 u32 th_magic; /* YYTH_MAGIC */
40 u32 th_hsize;
41 u32 th_ssize;
42 u16 th_flags;
43 char th_version[];
44};
45
46/* The YYTD_ID are one less than flex table mappings. The flex id
47 * has 1 subtracted at table load time, this allows us to directly use the
48 * ID's as indexes.
49 */
50#define YYTD_ID_ACCEPT 0
51#define YYTD_ID_BASE 1
52#define YYTD_ID_CHK 2
53#define YYTD_ID_DEF 3
54#define YYTD_ID_EC 4
55#define YYTD_ID_META 5
56#define YYTD_ID_ACCEPT2 6
57#define YYTD_ID_NXT 7
58#define YYTD_ID_TSIZE 8
59
60#define YYTD_DATA8 1
61#define YYTD_DATA16 2
62#define YYTD_DATA32 4
63#define YYTD_DATA64 8
64
65/* Each ACCEPT2 table gets 6 dedicated flags, YYTD_DATAX define the
66 * first flags
67 */
68#define ACCEPT1_FLAGS(X) ((X) & 0x3f)
69#define ACCEPT2_FLAGS(X) ACCEPT1_FLAGS((X) >> YYTD_ID_ACCEPT2)
70#define TO_ACCEPT1_FLAG(X) ACCEPT1_FLAGS(X)
71#define TO_ACCEPT2_FLAG(X) (ACCEPT1_FLAGS(X) << YYTD_ID_ACCEPT2)
72#define DFA_FLAG_VERIFY_STATES 0x1000
73
74struct table_header {
75 u16 td_id;
76 u16 td_flags;
77 u32 td_hilen;
78 u32 td_lolen;
79 char td_data[];
80};
81
82#define DEFAULT_TABLE(DFA) ((u16 *)((DFA)->tables[YYTD_ID_DEF]->td_data))
83#define BASE_TABLE(DFA) ((u32 *)((DFA)->tables[YYTD_ID_BASE]->td_data))
84#define NEXT_TABLE(DFA) ((u16 *)((DFA)->tables[YYTD_ID_NXT]->td_data))
85#define CHECK_TABLE(DFA) ((u16 *)((DFA)->tables[YYTD_ID_CHK]->td_data))
86#define EQUIV_TABLE(DFA) ((u8 *)((DFA)->tables[YYTD_ID_EC]->td_data))
87#define ACCEPT_TABLE(DFA) ((u32 *)((DFA)->tables[YYTD_ID_ACCEPT]->td_data))
88#define ACCEPT_TABLE2(DFA) ((u32 *)((DFA)->tables[YYTD_ID_ACCEPT2]->td_data))
89
90struct aa_dfa {
91 struct kref count;
92 u16 flags;
93 struct table_header *tables[YYTD_ID_TSIZE];
94};
95
96#define byte_to_byte(X) (X)
97
98#define UNPACK_ARRAY(TABLE, BLOB, LEN, TYPE, NTOHX) \
99 do { \
100 typeof(LEN) __i; \
101 TYPE *__t = (TYPE *) TABLE; \
102 TYPE *__b = (TYPE *) BLOB; \
103 for (__i = 0; __i < LEN; __i++) { \
104 __t[__i] = NTOHX(__b[__i]); \
105 } \
106 } while (0)
107
108static inline size_t table_size(size_t len, size_t el_size)
109{
110 return ALIGN(sizeof(struct table_header) + len * el_size, 8);
111}
112
113struct aa_dfa *aa_dfa_unpack(void *blob, size_t size, int flags);
114unsigned int aa_dfa_match_len(struct aa_dfa *dfa, unsigned int start,
115 const char *str, int len);
116unsigned int aa_dfa_match(struct aa_dfa *dfa, unsigned int start,
117 const char *str);
118void aa_dfa_free_kref(struct kref *kref);
119
120/**
121 * aa_put_dfa - put a dfa refcount
122 * @dfa: dfa to put refcount (MAYBE NULL)
123 *
124 * Requires: if @dfa != NULL that a valid refcount be held
125 */
126static inline void aa_put_dfa(struct aa_dfa *dfa)
127{
128 if (dfa)
129 kref_put(&dfa->count, aa_dfa_free_kref);
130}
131
132#endif /* __AA_MATCH_H */
diff --git a/security/apparmor/include/path.h b/security/apparmor/include/path.h
new file mode 100644
index 00000000000..27b327a7fae
--- /dev/null
+++ b/security/apparmor/include/path.h
@@ -0,0 +1,31 @@
1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor basic path manipulation function definitions.
5 *
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2 of the
12 * License.
13 */
14
15#ifndef __AA_PATH_H
16#define __AA_PATH_H
17
18
19enum path_flags {
20 PATH_IS_DIR = 0x1, /* path is a directory */
21 PATH_CONNECT_PATH = 0x4, /* connect disconnected paths to / */
22 PATH_CHROOT_REL = 0x8, /* do path lookup relative to chroot */
23 PATH_CHROOT_NSCONNECT = 0x10, /* connect paths that are at ns root */
24
25 PATH_DELEGATE_DELETED = 0x08000, /* delegate deleted files */
26 PATH_MEDIATE_DELETED = 0x10000, /* mediate deleted paths */
27};
28
29int aa_get_name(struct path *path, int flags, char **buffer, const char **name);
30
31#endif /* __AA_PATH_H */
diff --git a/security/apparmor/include/policy.h b/security/apparmor/include/policy.h
new file mode 100644
index 00000000000..aeda5cf5690
--- /dev/null
+++ b/security/apparmor/include/policy.h
@@ -0,0 +1,305 @@
1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor policy definitions.
5 *
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2 of the
12 * License.
13 */
14
15#ifndef __AA_POLICY_H
16#define __AA_POLICY_H
17
18#include <linux/capability.h>
19#include <linux/cred.h>
20#include <linux/kref.h>
21#include <linux/sched.h>
22#include <linux/slab.h>
23#include <linux/socket.h>
24
25#include "apparmor.h"
26#include "audit.h"
27#include "capability.h"
28#include "domain.h"
29#include "file.h"
30#include "resource.h"
31
32extern const char *profile_mode_names[];
33#define APPARMOR_NAMES_MAX_INDEX 3
34
35#define COMPLAIN_MODE(_profile) \
36 ((aa_g_profile_mode == APPARMOR_COMPLAIN) || \
37 ((_profile)->mode == APPARMOR_COMPLAIN))
38
39#define KILL_MODE(_profile) \
40 ((aa_g_profile_mode == APPARMOR_KILL) || \
41 ((_profile)->mode == APPARMOR_KILL))
42
43#define PROFILE_IS_HAT(_profile) ((_profile)->flags & PFLAG_HAT)
44
45/*
46 * FIXME: currently need a clean way to replace and remove profiles as a
47 * set. It should be done at the namespace level.
48 * Either, with a set of profiles loaded at the namespace level or via
49 * a mark and remove marked interface.
50 */
51enum profile_mode {
52 APPARMOR_ENFORCE, /* enforce access rules */
53 APPARMOR_COMPLAIN, /* allow and log access violations */
54 APPARMOR_KILL, /* kill task on access violation */
55};
56
57enum profile_flags {
58 PFLAG_HAT = 1, /* profile is a hat */
59 PFLAG_UNCONFINED = 2, /* profile is an unconfined profile */
60 PFLAG_NULL = 4, /* profile is null learning profile */
61 PFLAG_IX_ON_NAME_ERROR = 8, /* fallback to ix on name lookup fail */
62 PFLAG_IMMUTABLE = 0x10, /* don't allow changes/replacement */
63 PFLAG_USER_DEFINED = 0x20, /* user based profile - lower privs */
64 PFLAG_NO_LIST_REF = 0x40, /* list doesn't keep profile ref */
65 PFLAG_OLD_NULL_TRANS = 0x100, /* use // as the null transition */
66
67 /* These flags must correspond with PATH_flags */
68 PFLAG_MEDIATE_DELETED = 0x10000, /* mediate instead delegate deleted */
69};
70
71struct aa_profile;
72
73/* struct aa_policy - common part of both namespaces and profiles
74 * @name: name of the object
75 * @hname - The hierarchical name
76 * @count: reference count of the obj
77 * @list: list policy object is on
78 * @profiles: head of the profiles list contained in the object
79 */
80struct aa_policy {
81 char *name;
82 char *hname;
83 struct kref count;
84 struct list_head list;
85 struct list_head profiles;
86};
87
88/* struct aa_ns_acct - accounting of profiles in namespace
89 * @max_size: maximum space allowed for all profiles in namespace
90 * @max_count: maximum number of profiles that can be in this namespace
91 * @size: current size of profiles
92 * @count: current count of profiles (includes null profiles)
93 */
94struct aa_ns_acct {
95 int max_size;
96 int max_count;
97 int size;
98 int count;
99};
100
101/* struct aa_namespace - namespace for a set of profiles
102 * @base: common policy
103 * @parent: parent of namespace
104 * @lock: lock for modifying the object
105 * @acct: accounting for the namespace
106 * @unconfined: special unconfined profile for the namespace
107 * @sub_ns: list of namespaces under the current namespace.
108 *
109 * An aa_namespace defines the set profiles that are searched to determine
110 * which profile to attach to a task. Profiles can not be shared between
111 * aa_namespaces and profile names within a namespace are guaranteed to be
112 * unique. When profiles in separate namespaces have the same name they
113 * are NOT considered to be equivalent.
114 *
115 * Namespaces are hierarchical and only namespaces and profiles below the
116 * current namespace are visible.
117 *
118 * Namespace names must be unique and can not contain the characters :/\0
119 *
120 * FIXME TODO: add vserver support of namespaces (can it all be done in
121 * userspace?)
122 */
123struct aa_namespace {
124 struct aa_policy base;
125 struct aa_namespace *parent;
126 rwlock_t lock;
127 struct aa_ns_acct acct;
128 struct aa_profile *unconfined;
129 struct list_head sub_ns;
130};
131
132/* struct aa_profile - basic confinement data
133 * @base - base components of the profile (name, refcount, lists, lock ...)
134 * @parent: parent of profile
135 * @ns: namespace the profile is in
136 * @replacedby: is set to the profile that replaced this profile
137 * @rename: optional profile name that this profile renamed
138 * @xmatch: optional extended matching for unconfined executables names
139 * @xmatch_len: xmatch prefix len, used to determine xmatch priority
140 * @sid: the unique security id number of this profile
141 * @audit: the auditing mode of the profile
142 * @mode: the enforcement mode of the profile
143 * @flags: flags controlling profile behavior
144 * @path_flags: flags controlling path generation behavior
145 * @size: the memory consumed by this profiles rules
146 * @file: The set of rules governing basic file access and domain transitions
147 * @caps: capabilities for the profile
148 * @rlimits: rlimits for the profile
149 *
150 * The AppArmor profile contains the basic confinement data. Each profile
151 * has a name, and exists in a namespace. The @name and @exec_match are
152 * used to determine profile attachment against unconfined tasks. All other
153 * attachments are determined by profile X transition rules.
154 *
155 * The @replacedby field is write protected by the profile lock. Reads
156 * are assumed to be atomic, and are done without locking.
157 *
158 * Profiles have a hierarchy where hats and children profiles keep
159 * a reference to their parent.
160 *
161 * Profile names can not begin with a : and can not contain the \0
162 * character. If a profile name begins with / it will be considered when
163 * determining profile attachment on "unconfined" tasks.
164 */
165struct aa_profile {
166 struct aa_policy base;
167 struct aa_profile *parent;
168
169 struct aa_namespace *ns;
170 struct aa_profile *replacedby;
171 const char *rename;
172
173 struct aa_dfa *xmatch;
174 int xmatch_len;
175 u32 sid;
176 enum audit_mode audit;
177 enum profile_mode mode;
178 u32 flags;
179 u32 path_flags;
180 int size;
181
182 struct aa_file_rules file;
183 struct aa_caps caps;
184 struct aa_rlimit rlimits;
185};
186
187extern struct aa_namespace *root_ns;
188extern enum profile_mode aa_g_profile_mode;
189
190void aa_add_profile(struct aa_policy *common, struct aa_profile *profile);
191
192bool aa_ns_visible(struct aa_namespace *curr, struct aa_namespace *view);
193const char *aa_ns_name(struct aa_namespace *parent, struct aa_namespace *child);
194int aa_alloc_root_ns(void);
195void aa_free_root_ns(void);
196void aa_free_namespace_kref(struct kref *kref);
197
198struct aa_namespace *aa_find_namespace(struct aa_namespace *root,
199 const char *name);
200
201static inline struct aa_policy *aa_get_common(struct aa_policy *c)
202{
203 if (c)
204 kref_get(&c->count);
205
206 return c;
207}
208
209/**
210 * aa_get_namespace - increment references count on @ns
211 * @ns: namespace to increment reference count of (MAYBE NULL)
212 *
213 * Returns: pointer to @ns, if @ns is NULL returns NULL
214 * Requires: @ns must be held with valid refcount when called
215 */
216static inline struct aa_namespace *aa_get_namespace(struct aa_namespace *ns)
217{
218 if (ns)
219 kref_get(&(ns->base.count));
220
221 return ns;
222}
223
224/**
225 * aa_put_namespace - decrement refcount on @ns
226 * @ns: namespace to put reference of
227 *
228 * Decrement reference count of @ns and if no longer in use free it
229 */
230static inline void aa_put_namespace(struct aa_namespace *ns)
231{
232 if (ns)
233 kref_put(&ns->base.count, aa_free_namespace_kref);
234}
235
236struct aa_profile *aa_alloc_profile(const char *name);
237struct aa_profile *aa_new_null_profile(struct aa_profile *parent, int hat);
238void aa_free_profile_kref(struct kref *kref);
239struct aa_profile *aa_find_child(struct aa_profile *parent, const char *name);
240struct aa_profile *aa_lookup_profile(struct aa_namespace *ns, const char *name);
241struct aa_profile *aa_match_profile(struct aa_namespace *ns, const char *name);
242
243ssize_t aa_replace_profiles(void *udata, size_t size, bool noreplace);
244ssize_t aa_remove_profiles(char *name, size_t size);
245
246#define PROF_ADD 1
247#define PROF_REPLACE 0
248
249#define unconfined(X) ((X)->flags & PFLAG_UNCONFINED)
250
251/**
252 * aa_newest_version - find the newest version of @profile
253 * @profile: the profile to check for newer versions of (NOT NULL)
254 *
255 * Returns: newest version of @profile, if @profile is the newest version
256 * return @profile.
257 *
258 * NOTE: the profile returned is not refcounted, The refcount on @profile
259 * must be held until the caller decides what to do with the returned newest
260 * version.
261 */
262static inline struct aa_profile *aa_newest_version(struct aa_profile *profile)
263{
264 while (profile->replacedby)
265 profile = profile->replacedby;
266
267 return profile;
268}
269
270/**
271 * aa_get_profile - increment refcount on profile @p
272 * @p: profile (MAYBE NULL)
273 *
274 * Returns: pointer to @p if @p is NULL will return NULL
275 * Requires: @p must be held with valid refcount when called
276 */
277static inline struct aa_profile *aa_get_profile(struct aa_profile *p)
278{
279 if (p)
280 kref_get(&(p->base.count));
281
282 return p;
283}
284
285/**
286 * aa_put_profile - decrement refcount on profile @p
287 * @p: profile (MAYBE NULL)
288 */
289static inline void aa_put_profile(struct aa_profile *p)
290{
291 if (p)
292 kref_put(&p->base.count, aa_free_profile_kref);
293}
294
295static inline int AUDIT_MODE(struct aa_profile *profile)
296{
297 if (aa_g_audit != AUDIT_NORMAL)
298 return aa_g_audit;
299
300 return profile->audit;
301}
302
303bool aa_may_manage_policy(int op);
304
305#endif /* __AA_POLICY_H */
diff --git a/security/apparmor/include/policy_unpack.h b/security/apparmor/include/policy_unpack.h
new file mode 100644
index 00000000000..a2dcccac45a
--- /dev/null
+++ b/security/apparmor/include/policy_unpack.h
@@ -0,0 +1,20 @@
1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor policy loading interface function definitions.
5 *
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2 of the
12 * License.
13 */
14
15#ifndef __POLICY_INTERFACE_H
16#define __POLICY_INTERFACE_H
17
18struct aa_profile *aa_unpack(void *udata, size_t size, const char **ns);
19
20#endif /* __POLICY_INTERFACE_H */
diff --git a/security/apparmor/include/procattr.h b/security/apparmor/include/procattr.h
new file mode 100644
index 00000000000..544aa6b766a
--- /dev/null
+++ b/security/apparmor/include/procattr.h
@@ -0,0 +1,26 @@
1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor /proc/<pid>/attr/ interface function definitions.
5 *
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2 of the
12 * License.
13 */
14
15#ifndef __AA_PROCATTR_H
16#define __AA_PROCATTR_H
17
18#define AA_DO_TEST 1
19#define AA_ONEXEC 1
20
21int aa_getprocattr(struct aa_profile *profile, char **string);
22int aa_setprocattr_changehat(char *args, size_t size, int test);
23int aa_setprocattr_changeprofile(char *fqname, bool onexec, int test);
24int aa_setprocattr_permipc(char *fqname);
25
26#endif /* __AA_PROCATTR_H */
diff --git a/security/apparmor/include/resource.h b/security/apparmor/include/resource.h
new file mode 100644
index 00000000000..3c88be94649
--- /dev/null
+++ b/security/apparmor/include/resource.h
@@ -0,0 +1,46 @@
1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor resource limits function definitions.
5 *
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2 of the
12 * License.
13 */
14
15#ifndef __AA_RESOURCE_H
16#define __AA_RESOURCE_H
17
18#include <linux/resource.h>
19#include <linux/sched.h>
20
21struct aa_profile;
22
23/* struct aa_rlimit - rlimit settings for the profile
24 * @mask: which hard limits to set
25 * @limits: rlimit values that override task limits
26 *
27 * AppArmor rlimits are used to set confined task rlimits. Only the
28 * limits specified in @mask will be controlled by apparmor.
29 */
30struct aa_rlimit {
31 unsigned int mask;
32 struct rlimit limits[RLIM_NLIMITS];
33};
34
35int aa_map_resource(int resource);
36int aa_task_setrlimit(struct aa_profile *profile, unsigned int resource,
37 struct rlimit *new_rlim);
38
39void __aa_transition_rlimits(struct aa_profile *old, struct aa_profile *new);
40
41static inline void aa_free_rlimit_rules(struct aa_rlimit *rlims)
42{
43 /* NOP */
44}
45
46#endif /* __AA_RESOURCE_H */
diff --git a/security/apparmor/include/sid.h b/security/apparmor/include/sid.h
new file mode 100644
index 00000000000..020db35c301
--- /dev/null
+++ b/security/apparmor/include/sid.h
@@ -0,0 +1,24 @@
1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor security identifier (sid) definitions
5 *
6 * Copyright 2009-2010 Canonical Ltd.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation, version 2 of the
11 * License.
12 */
13
14#ifndef __AA_SID_H
15#define __AA_SID_H
16
17#include <linux/types.h>
18
19struct aa_profile;
20
21u32 aa_alloc_sid(void);
22void aa_free_sid(u32 sid);
23
24#endif /* __AA_SID_H */