2 * AppArmor security module
4 * This file contains AppArmor LSM hooks.
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
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
15 #include <linux/lsm_hooks.h>
16 #include <linux/moduleparam.h>
18 #include <linux/mman.h>
19 #include <linux/mount.h>
20 #include <linux/namei.h>
21 #include <linux/ptrace.h>
22 #include <linux/ctype.h>
23 #include <linux/sysctl.h>
24 #include <linux/audit.h>
25 #include <linux/user_namespace.h>
26 #include <linux/kmemleak.h>
29 #include "include/af_unix.h"
30 #include "include/apparmor.h"
31 #include "include/apparmorfs.h"
32 #include "include/audit.h"
33 #include "include/capability.h"
34 #include "include/context.h"
35 #include "include/file.h"
36 #include "include/ipc.h"
37 #include "include/net.h"
38 #include "include/path.h"
39 #include "include/policy.h"
40 #include "include/procattr.h"
41 #include "include/mount.h"
43 /* Flag indicating whether initialization completed */
44 int apparmor_initialized
;
46 DEFINE_PER_CPU(struct aa_buffers
, aa_buffers
);
54 * free the associated aa_task_ctx and put its labels
56 static void apparmor_cred_free(struct cred
*cred
)
58 aa_free_task_context(cred_ctx(cred
));
59 cred_ctx(cred
) = NULL
;
63 * allocate the apparmor part of blank credentials
65 static int apparmor_cred_alloc_blank(struct cred
*cred
, gfp_t gfp
)
67 /* freed by apparmor_cred_free */
68 struct aa_task_ctx
*ctx
= aa_alloc_task_context(gfp
);
77 * prepare new aa_task_ctx for modification by prepare_cred block
79 static int apparmor_cred_prepare(struct cred
*new, const struct cred
*old
,
82 /* freed by apparmor_cred_free */
83 struct aa_task_ctx
*ctx
= aa_alloc_task_context(gfp
);
87 aa_dup_task_context(ctx
, cred_ctx(old
));
93 * transfer the apparmor data to a blank set of creds
95 static void apparmor_cred_transfer(struct cred
*new, const struct cred
*old
)
97 const struct aa_task_ctx
*old_ctx
= cred_ctx(old
);
98 struct aa_task_ctx
*new_ctx
= cred_ctx(new);
100 aa_dup_task_context(new_ctx
, old_ctx
);
103 static int apparmor_ptrace_access_check(struct task_struct
*child
,
106 struct aa_label
*tracer
, *tracee
;
109 tracer
= aa_begin_current_label(DO_UPDATE
);
110 tracee
= aa_get_task_label(child
);
111 error
= aa_may_ptrace(tracer
, tracee
,
112 mode
== PTRACE_MODE_READ
? AA_PTRACE_READ
: AA_PTRACE_TRACE
);
113 aa_put_label(tracee
);
114 aa_end_current_label(tracer
);
119 static int apparmor_ptrace_traceme(struct task_struct
*parent
)
121 struct aa_label
*tracer
, *tracee
;
124 tracee
= aa_begin_current_label(DO_UPDATE
);
125 tracer
= aa_get_task_label(parent
);
126 error
= aa_may_ptrace(tracer
, tracee
, AA_PTRACE_TRACE
);
127 aa_put_label(tracer
);
128 aa_end_current_label(tracee
);
133 /* Derived from security/commoncap.c:cap_capget */
134 static int apparmor_capget(struct task_struct
*target
, kernel_cap_t
*effective
,
135 kernel_cap_t
*inheritable
, kernel_cap_t
*permitted
)
137 struct aa_label
*label
;
138 const struct cred
*cred
;
141 cred
= __task_cred(target
);
142 label
= aa_get_newest_cred_label(cred
);
145 * cap_capget is stacked ahead of this and will
146 * initialize effective and permitted.
148 if (!unconfined(label
)) {
149 struct aa_profile
*profile
;
151 label_for_each_confined(i
, label
, profile
) {
152 if (COMPLAIN_MODE(profile
))
154 *effective
= cap_intersect(*effective
,
155 profile
->caps
.allow
);
156 *permitted
= cap_intersect(*permitted
,
157 profile
->caps
.allow
);
166 static int apparmor_capable(const struct cred
*cred
, struct user_namespace
*ns
,
169 struct aa_label
*label
;
172 label
= aa_get_newest_cred_label(cred
);
173 if (!unconfined(label
))
174 error
= aa_capable(label
, cap
, audit
);
181 * common_perm - basic common permission check wrapper fn for paths
182 * @op: operation being checked
183 * @path: path to check permission of (NOT NULL)
184 * @mask: requested permissions mask
185 * @cond: conditional info for the permission request (NOT NULL)
187 * Returns: %0 else error code if error or permission denied
189 static int common_perm(const char *op
, const struct path
*path
, u32 mask
,
190 struct path_cond
*cond
)
192 struct aa_label
*label
;
195 label
= aa_begin_current_label(NO_UPDATE
);
196 if (!unconfined(label
))
197 error
= aa_path_perm(op
, label
, path
, 0, mask
, cond
);
198 aa_end_current_label(label
);
203 static int common_perm_cond(const char *op
, const struct path
*path
, u32 mask
)
205 struct path_cond cond
= { d_backing_inode(path
->dentry
)->i_uid
,
206 d_backing_inode(path
->dentry
)->i_mode
209 if (!path_mediated_fs(path
->dentry
))
212 return common_perm(op
, path
, mask
, &cond
);
215 static void apparmor_inode_free_security(struct inode
*inode
)
217 struct aa_label
*ctx
= inode_ctx(inode
);
220 inode_ctx(inode
) = NULL
;
226 * common_perm_dir_dentry - common permission wrapper when path is dir, dentry
227 * @op: operation being checked
228 * @dir: directory of the dentry (NOT NULL)
229 * @dentry: dentry to check (NOT NULL)
230 * @mask: requested permissions mask
231 * @cond: conditional info for the permission request (NOT NULL)
233 * Returns: %0 else error code if error or permission denied
235 static int common_perm_dir_dentry(const char *op
, const struct path
*dir
,
236 struct dentry
*dentry
, u32 mask
,
237 struct path_cond
*cond
)
239 struct path path
= { dir
->mnt
, dentry
};
241 return common_perm(op
, &path
, mask
, cond
);
245 * common_perm_rm - common permission wrapper for operations doing rm
246 * @op: operation being checked
247 * @dir: directory that the dentry is in (NOT NULL)
248 * @dentry: dentry being rm'd (NOT NULL)
249 * @mask: requested permission mask
251 * Returns: %0 else error code if error or permission denied
253 static int common_perm_rm(const char *op
, const struct path
*dir
,
254 struct dentry
*dentry
, u32 mask
)
256 struct inode
*inode
= d_backing_inode(dentry
);
257 struct path_cond cond
= { };
259 if (!inode
|| !path_mediated_fs(dentry
))
262 cond
.uid
= inode
->i_uid
;
263 cond
.mode
= inode
->i_mode
;
265 return common_perm_dir_dentry(op
, dir
, dentry
, mask
, &cond
);
269 * common_perm_create - common permission wrapper for operations doing create
270 * @op: operation being checked
271 * @dir: directory that dentry will be created in (NOT NULL)
272 * @dentry: dentry to create (NOT NULL)
273 * @mask: request permission mask
274 * @mode: created file mode
276 * Returns: %0 else error code if error or permission denied
278 static int common_perm_create(const char *op
, const struct path
*dir
,
279 struct dentry
*dentry
, u32 mask
, umode_t mode
)
281 struct path_cond cond
= { current_fsuid(), mode
};
283 if (!path_mediated_fs(dir
->dentry
))
286 return common_perm_dir_dentry(op
, dir
, dentry
, mask
, &cond
);
289 static int apparmor_path_unlink(const struct path
*dir
, struct dentry
*dentry
)
291 return common_perm_rm(OP_UNLINK
, dir
, dentry
, AA_MAY_DELETE
);
294 static int apparmor_path_mkdir(const struct path
*dir
, struct dentry
*dentry
,
297 return common_perm_create(OP_MKDIR
, dir
, dentry
, AA_MAY_CREATE
,
301 static int apparmor_path_rmdir(const struct path
*dir
, struct dentry
*dentry
)
303 return common_perm_rm(OP_RMDIR
, dir
, dentry
, AA_MAY_DELETE
);
306 static int apparmor_path_mknod(const struct path
*dir
, struct dentry
*dentry
,
307 umode_t mode
, unsigned int dev
)
309 return common_perm_create(OP_MKNOD
, dir
, dentry
, AA_MAY_CREATE
, mode
);
312 static int apparmor_path_truncate(const struct path
*path
)
314 return common_perm_cond(OP_TRUNC
, path
, MAY_WRITE
| AA_MAY_SETATTR
);
317 static int apparmor_path_symlink(const struct path
*dir
, struct dentry
*dentry
,
318 const char *old_name
)
320 return common_perm_create(OP_SYMLINK
, dir
, dentry
, AA_MAY_CREATE
,
324 static int apparmor_path_link(struct dentry
*old_dentry
, const struct path
*new_dir
,
325 struct dentry
*new_dentry
)
327 struct aa_label
*label
;
330 if (!path_mediated_fs(old_dentry
))
333 label
= aa_begin_current_label(DO_UPDATE
);
334 if (!unconfined(label
))
335 error
= aa_path_link(label
, old_dentry
, new_dir
, new_dentry
);
336 aa_end_current_label(label
);
341 static int apparmor_path_rename(const struct path
*old_dir
, struct dentry
*old_dentry
,
342 const struct path
*new_dir
, struct dentry
*new_dentry
)
344 struct aa_label
*label
;
347 if (!path_mediated_fs(old_dentry
))
350 label
= aa_begin_current_label(DO_UPDATE
);
351 if (!unconfined(label
)) {
352 struct path old_path
= { old_dir
->mnt
, old_dentry
};
353 struct path new_path
= { new_dir
->mnt
, new_dentry
};
354 struct path_cond cond
= { d_backing_inode(old_dentry
)->i_uid
,
355 d_backing_inode(old_dentry
)->i_mode
358 error
= aa_path_perm(OP_RENAME_SRC
, label
, &old_path
, 0,
359 MAY_READ
| AA_MAY_GETATTR
| MAY_WRITE
|
360 AA_MAY_SETATTR
| AA_MAY_DELETE
,
363 error
= aa_path_perm(OP_RENAME_DEST
, label
, &new_path
,
364 0, MAY_WRITE
| AA_MAY_SETATTR
|
365 AA_MAY_CREATE
, &cond
);
368 aa_end_current_label(label
);
373 static int apparmor_path_chmod(const struct path
*path
, umode_t mode
)
375 return common_perm_cond(OP_CHMOD
, path
, AA_MAY_CHMOD
);
378 static int apparmor_path_chown(const struct path
*path
, kuid_t uid
, kgid_t gid
)
380 return common_perm_cond(OP_CHOWN
, path
, AA_MAY_CHOWN
);
383 static int apparmor_inode_getattr(const struct path
*path
)
385 return common_perm_cond(OP_GETATTR
, path
, AA_MAY_GETATTR
);
388 static int apparmor_file_open(struct file
*file
, const struct cred
*cred
)
390 struct aa_file_ctx
*fctx
= file_ctx(file
);
391 struct aa_label
*label
;
394 if (!path_mediated_fs(file
->f_path
.dentry
))
397 /* If in exec, permission is handled by bprm hooks.
398 * Cache permissions granted by the previous exec check, with
399 * implicit read and executable mmap which are required to
400 * actually execute the image.
402 if (current
->in_execve
) {
403 fctx
->allow
= MAY_EXEC
| MAY_READ
| AA_EXEC_MMAP
;
407 label
= aa_get_newest_cred_label(cred
);
408 if (!unconfined(label
)) {
409 struct inode
*inode
= file_inode(file
);
410 struct path_cond cond
= { inode
->i_uid
, inode
->i_mode
};
412 error
= aa_path_perm(OP_OPEN
, label
, &file
->f_path
, 0,
413 aa_map_file_to_perms(file
), &cond
);
414 /* todo cache full allowed permissions set and state */
415 fctx
->allow
= aa_map_file_to_perms(file
);
422 static int apparmor_file_alloc_security(struct file
*file
)
426 /* freed by apparmor_file_free_security */
427 struct aa_label
*label
= aa_begin_current_label(DO_UPDATE
);
428 file
->f_security
= aa_alloc_file_ctx(label
, GFP_KERNEL
);
431 aa_end_current_label(label
);
436 static void apparmor_file_free_security(struct file
*file
)
438 aa_free_file_ctx(file_ctx(file
));
441 static int common_file_perm(const char *op
, struct file
*file
, u32 mask
)
443 struct aa_label
*label
;
446 if (file
->f_path
.dentry
== aa_null
.dentry
)
449 label
= aa_begin_current_label(NO_UPDATE
);
450 error
= aa_file_perm(op
, label
, file
, mask
);
451 aa_end_current_label(label
);
456 static int apparmor_file_receive(struct file
*file
)
458 return common_file_perm(OP_FRECEIVE
, file
, aa_map_file_to_perms(file
));
461 static int apparmor_file_permission(struct file
*file
, int mask
)
463 return common_file_perm(OP_FPERM
, file
, mask
);
466 static int apparmor_file_lock(struct file
*file
, unsigned int cmd
)
468 u32 mask
= AA_MAY_LOCK
;
473 return common_file_perm(OP_FLOCK
, file
, mask
);
476 static int common_mmap(const char *op
, struct file
*file
, unsigned long prot
,
481 if (!file
|| !file_ctx(file
))
484 if (prot
& PROT_READ
)
487 * Private mappings don't require write perms since they don't
488 * write back to the files
490 if ((prot
& PROT_WRITE
) && !(flags
& MAP_PRIVATE
))
492 if (prot
& PROT_EXEC
)
493 mask
|= AA_EXEC_MMAP
;
495 return common_file_perm(op
, file
, mask
);
498 static int apparmor_mmap_file(struct file
*file
, unsigned long reqprot
,
499 unsigned long prot
, unsigned long flags
)
501 return common_mmap(OP_FMMAP
, file
, prot
, flags
);
504 static int apparmor_file_mprotect(struct vm_area_struct
*vma
,
505 unsigned long reqprot
, unsigned long prot
)
507 return common_mmap(OP_FMPROT
, vma
->vm_file
, prot
,
508 !(vma
->vm_flags
& VM_SHARED
) ? MAP_PRIVATE
: 0);
511 static int apparmor_sb_mount(const char *dev_name
, const struct path
*path
,
512 const char *type
, unsigned long flags
, void *data
)
514 struct aa_label
*label
;
518 if ((flags
& MS_MGC_MSK
) == MS_MGC_VAL
)
519 flags
&= ~MS_MGC_MSK
;
521 flags
&= ~AA_MS_IGNORE_MASK
;
523 label
= aa_begin_current_label(NO_UPDATE
);
524 if (!unconfined(label
)) {
525 if (flags
& MS_REMOUNT
)
526 error
= aa_remount(label
, path
, flags
, data
);
527 else if (flags
& MS_BIND
)
528 error
= aa_bind_mount(label
, path
, dev_name
, flags
);
529 else if (flags
& (MS_SHARED
| MS_PRIVATE
| MS_SLAVE
|
531 error
= aa_mount_change_type(label
, path
, flags
);
532 else if (flags
& MS_MOVE
)
533 error
= aa_move_mount(label
, path
, dev_name
);
535 error
= aa_new_mount(label
, dev_name
, path
, type
,
538 aa_end_current_label(label
);
543 static int apparmor_sb_umount(struct vfsmount
*mnt
, int flags
)
545 struct aa_label
*label
;
548 label
= aa_begin_current_label(NO_UPDATE
);
549 if (!unconfined(label
))
550 error
= aa_umount(label
, mnt
, flags
);
551 aa_end_current_label(label
);
556 static int apparmor_sb_pivotroot(const struct path
*old_path
,
557 const struct path
*new_path
)
559 struct aa_label
*label
;
562 label
= aa_get_current_label();
563 if (!unconfined(label
))
564 error
= aa_pivotroot(label
, old_path
, new_path
);
570 static int apparmor_getprocattr(struct task_struct
*task
, char *name
,
575 const struct cred
*cred
= get_task_cred(task
);
576 struct aa_task_ctx
*ctx
= cred_ctx(cred
);
577 struct aa_label
*label
= NULL
;
579 if (strcmp(name
, "current") == 0)
580 label
= aa_get_newest_label(ctx
->label
);
581 else if (strcmp(name
, "prev") == 0 && ctx
->previous
)
582 label
= aa_get_newest_label(ctx
->previous
);
583 else if (strcmp(name
, "exec") == 0 && ctx
->onexec
)
584 label
= aa_get_newest_label(ctx
->onexec
);
589 error
= aa_getprocattr(label
, value
);
597 static int apparmor_setprocattr(struct task_struct
*task
, char *name
,
598 void *value
, size_t size
)
600 char *command
, *largs
= NULL
, *args
= value
;
603 DEFINE_AUDIT_DATA(sa
, LSM_AUDIT_DATA_NONE
, OP_SETPROCATTR
);
607 /* task can only write its own attributes */
611 /* AppArmor requires that the buffer must be null terminated atm */
612 if (args
[size
- 1] != '\0') {
614 largs
= args
= kmalloc(size
+ 1, GFP_KERNEL
);
617 memcpy(args
, value
, size
);
623 command
= strsep(&args
, " ");
626 args
= skip_spaces(args
);
630 arg_size
= size
- (args
- (largs
? largs
: (char *) value
));
631 if (strcmp(name
, "current") == 0) {
632 if (strcmp(command
, "changehat") == 0) {
633 error
= aa_setprocattr_changehat(args
, arg_size
,
635 } else if (strcmp(command
, "permhat") == 0) {
636 error
= aa_setprocattr_changehat(args
, arg_size
,
638 } else if (strcmp(command
, "changeprofile") == 0) {
639 error
= aa_change_profile(args
, !AA_ONEXEC
,
641 } else if (strcmp(command
, "permprofile") == 0) {
642 error
= aa_change_profile(args
, !AA_ONEXEC
, AA_DO_TEST
,
644 } else if (strcmp(command
, "stack") == 0) {
645 error
= aa_change_profile(args
, !AA_ONEXEC
, !AA_DO_TEST
,
649 } else if (strcmp(name
, "exec") == 0) {
650 if (strcmp(command
, "exec") == 0)
651 error
= aa_change_profile(args
, AA_ONEXEC
, !AA_DO_TEST
,
653 else if (strcmp(command
, "stack") == 0)
654 error
= aa_change_profile(args
, AA_ONEXEC
, !AA_DO_TEST
,
659 /* only support the "current" and "exec" process attributes */
669 aad(&sa
)->label
= aa_begin_current_label(DO_UPDATE
);
670 aad(&sa
)->info
= name
;
671 aad(&sa
)->error
= error
= -EINVAL
;
672 aa_audit_msg(AUDIT_APPARMOR_DENIED
, &sa
, NULL
);
673 aa_end_current_label(aad(&sa
)->label
);
678 * apparmor_bprm_committing_creds - do task cleanup on committing new creds
679 * @bprm: binprm for the exec (NOT NULL)
681 void apparmor_bprm_committing_creds(struct linux_binprm
*bprm
)
683 struct aa_label
*label
= aa_current_raw_label();
684 struct aa_task_ctx
*new_ctx
= cred_ctx(bprm
->cred
);
686 /* bail out if unconfined or not changing profile */
687 if ((new_ctx
->label
->proxy
== label
->proxy
) ||
688 (unconfined(new_ctx
->label
)))
691 aa_inherit_files(bprm
->cred
, current
->files
);
693 current
->pdeath_signal
= 0;
695 /* reset soft limits and set hard limits for the new label */
696 __aa_transition_rlimits(label
, new_ctx
->label
);
700 * apparmor_bprm_commited_cred - do cleanup after new creds committed
701 * @bprm: binprm for the exec (NOT NULL)
703 void apparmor_bprm_committed_creds(struct linux_binprm
*bprm
)
705 /* TODO: cleanup signals - ipc mediation */
709 static int apparmor_task_setrlimit(struct task_struct
*task
,
710 unsigned int resource
, struct rlimit
*new_rlim
)
712 struct aa_label
*label
= aa_begin_current_label(NO_UPDATE
);
715 if (!unconfined(label
))
716 error
= aa_task_setrlimit(label
, task
, resource
, new_rlim
);
717 aa_end_current_label(label
);
723 * apparmor_sk_alloc_security - allocate and attach the sk_security field
725 static int apparmor_sk_alloc_security(struct sock
*sk
, int family
, gfp_t flags
)
727 struct aa_sk_ctx
*ctx
;
729 ctx
= kzalloc(sizeof(*ctx
), flags
);
734 //??? set local too current???
740 * apparmor_sk_free_security - free the sk_security field
742 static void apparmor_sk_free_security(struct sock
*sk
)
744 struct aa_sk_ctx
*ctx
= SK_CTX(sk
);
747 aa_put_label(ctx
->label
);
748 aa_put_label(ctx
->peer
);
749 path_put(&ctx
->path
);
754 * apparmor_clone_security - clone the sk_security field
756 static void apparmor_sk_clone_security(const struct sock
*sk
,
759 struct aa_sk_ctx
*ctx
= SK_CTX(sk
);
760 struct aa_sk_ctx
*new = SK_CTX(newsk
);
762 new->label
= aa_get_label(ctx
->label
);
763 new->peer
= aa_get_label(ctx
->peer
);
764 new->path
= ctx
->path
;
765 path_get(&new->path
);
768 static struct path
*UNIX_FS_CONN_PATH(struct sock
*sk
, struct sock
*newsk
)
770 if (sk
->sk_family
== PF_UNIX
&& UNIX_FS(sk
))
771 return &unix_sk(sk
)->path
;
772 else if (newsk
->sk_family
== PF_UNIX
&& UNIX_FS(newsk
))
773 return &unix_sk(newsk
)->path
;
778 * apparmor_unix_stream_connect - check perms before making unix domain conn
780 * peer is locked when this hook is called
782 static int apparmor_unix_stream_connect(struct sock
*sk
, struct sock
*peer_sk
,
785 struct aa_sk_ctx
*sk_ctx
= SK_CTX(sk
);
786 struct aa_sk_ctx
*peer_ctx
= SK_CTX(peer_sk
);
787 struct aa_sk_ctx
*new_ctx
= SK_CTX(newsk
);
788 struct aa_label
*label
;
792 label
= aa_begin_current_label(NO_UPDATE
);
793 error
= aa_unix_peer_perm(label
, OP_CONNECT
,
794 (AA_MAY_CONNECT
| AA_MAY_SEND
| AA_MAY_RECEIVE
),
796 if (!UNIX_FS(peer_sk
)) {
798 aa_unix_peer_perm(peer_ctx
->label
, OP_CONNECT
,
799 (AA_MAY_ACCEPT
| AA_MAY_SEND
| AA_MAY_RECEIVE
),
800 peer_sk
, sk
, label
));
802 aa_end_current_label(label
);
807 /* label newsk if it wasn't labeled in post_create. Normally this
808 * would be done in sock_graft, but because we are directly looking
809 * at the peer_sk to obtain peer_labeling for unix socks this
813 new_ctx
->label
= aa_get_label(peer_ctx
->label
);
815 /* Cross reference the peer labels for SO_PEERSEC */
817 aa_put_label(new_ctx
->peer
);
820 aa_put_label(sk_ctx
->peer
);
822 new_ctx
->peer
= aa_get_label(sk_ctx
->label
);
823 sk_ctx
->peer
= aa_get_label(peer_ctx
->label
);
825 path
= UNIX_FS_CONN_PATH(sk
, peer_sk
);
827 new_ctx
->path
= *path
;
828 sk_ctx
->path
= *path
;
836 * apparmor_unix_may_send - check perms before conn or sending unix dgrams
838 * other is locked when this hook is called
840 * dgram connect calls may_send, peer setup but path not copied?????
842 static int apparmor_unix_may_send(struct socket
*sock
, struct socket
*peer
)
844 struct aa_sk_ctx
*peer_ctx
= SK_CTX(peer
->sk
);
845 struct aa_label
*label
= aa_begin_current_label(NO_UPDATE
);
848 error
= xcheck(aa_unix_peer_perm(label
, OP_SENDMSG
, AA_MAY_SEND
,
849 sock
->sk
, peer
->sk
, NULL
),
850 aa_unix_peer_perm(peer_ctx
->label
, OP_SENDMSG
, AA_MAY_RECEIVE
,
851 peer
->sk
, sock
->sk
, label
));
852 aa_end_current_label(label
);
858 * apparmor_socket_create - check perms before creating a new socket
860 static int apparmor_socket_create(int family
, int type
, int protocol
, int kern
)
862 struct aa_label
*label
;
865 label
= aa_begin_current_label(DO_UPDATE
);
866 if (!(kern
|| unconfined(label
)))
867 error
= aa_sock_create_perm(label
, family
, type
, protocol
);
868 aa_end_current_label(label
);
874 * apparmor_socket_post_create - setup the per-socket security struct
877 * - kernel sockets currently labeled unconfined but we may want to
878 * move to a special kernel label
879 * - socket may not have sk here if created with sock_create_lite or
880 * sock_alloc. These should be accept cases which will be handled in
883 static int apparmor_socket_post_create(struct socket
*sock
, int family
,
884 int type
, int protocol
, int kern
)
886 struct aa_label
*label
;
889 struct aa_ns
*ns
= aa_get_current_ns();
890 label
= aa_get_label(ns_unconfined(ns
));
893 label
= aa_get_current_label();
896 struct aa_sk_ctx
*ctx
= SK_CTX(sock
->sk
);
897 aa_put_label(ctx
->label
);
898 ctx
->label
= aa_get_label(label
);
906 * apparmor_socket_bind - check perms before bind addr to socket
908 static int apparmor_socket_bind(struct socket
*sock
,
909 struct sockaddr
*address
, int addrlen
)
911 return aa_sock_bind_perm(sock
, address
, addrlen
);
915 * apparmor_socket_connect - check perms before connecting @sock to @address
917 static int apparmor_socket_connect(struct socket
*sock
,
918 struct sockaddr
*address
, int addrlen
)
920 return aa_sock_connect_perm(sock
, address
, addrlen
);
924 * apparmor_socket_list - check perms before allowing listen
926 static int apparmor_socket_listen(struct socket
*sock
, int backlog
)
928 return aa_sock_listen_perm(sock
, backlog
);
932 * apparmor_socket_accept - check perms before accepting a new connection.
934 * Note: while @newsock is created and has some information, the accept
937 static int apparmor_socket_accept(struct socket
*sock
, struct socket
*newsock
)
939 return aa_sock_accept_perm(sock
, newsock
);
943 * apparmor_socket_sendmsg - check perms before sending msg to another socket
945 static int apparmor_socket_sendmsg(struct socket
*sock
,
946 struct msghdr
*msg
, int size
)
948 int error
= aa_sock_msg_perm(OP_SENDMSG
, AA_MAY_SEND
, sock
, msg
, size
);
950 /* TODO: setup delegation on scm rights
951 see smack for AF_INET, AF_INET6 */
959 * apparmor_socket_recvmsg - check perms before receiving a message
961 static int apparmor_socket_recvmsg(struct socket
*sock
,
962 struct msghdr
*msg
, int size
, int flags
)
964 return aa_sock_msg_perm(OP_RECVMSG
, AA_MAY_RECEIVE
, sock
, msg
, size
);
968 * apparmor_socket_getsockname - check perms before getting the local address
970 static int apparmor_socket_getsockname(struct socket
*sock
)
972 return aa_sock_perm(OP_GETSOCKNAME
, AA_MAY_GETATTR
, sock
);
976 * apparmor_socket_getpeername - check perms before getting remote address
978 static int apparmor_socket_getpeername(struct socket
*sock
)
980 return aa_sock_perm(OP_GETPEERNAME
, AA_MAY_GETATTR
, sock
);
984 * apparmor_getsockopt - check perms before getting socket options
986 static int apparmor_socket_getsockopt(struct socket
*sock
, int level
,
989 return aa_sock_opt_perm(OP_GETSOCKOPT
, AA_MAY_GETOPT
, sock
,
994 * apparmor_setsockopt - check perms before setting socket options
996 static int apparmor_socket_setsockopt(struct socket
*sock
, int level
,
999 return aa_sock_opt_perm(OP_SETSOCKOPT
, AA_MAY_SETOPT
, sock
,
1004 * apparmor_socket_shutdown - check perms before shutting down @sock conn
1006 static int apparmor_socket_shutdown(struct socket
*sock
, int how
)
1008 return aa_sock_perm(OP_SHUTDOWN
, AA_MAY_SHUTDOWN
, sock
);
1012 * apparmor_socket_sock_recv_skb - check perms before associating skb to sk
1014 * Note: can not sleep maybe called with locks held
1016 dont want protocol specific in __skb_recv_datagram()
1017 to deny an incoming connection socket_sock_rcv_skb()
1020 static int apparmor_socket_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
1027 static struct aa_label
*sk_peer_label(struct sock
*sk
)
1029 struct sock
*peer_sk
;
1030 struct aa_sk_ctx
*ctx
= SK_CTX(sk
);
1035 if (sk
->sk_family
!= PF_UNIX
)
1036 return ERR_PTR(-ENOPROTOOPT
);
1038 /* check for sockpair peering which does not go through
1039 * security_unix_stream_connect
1041 peer_sk
= unix_peer(sk
);
1043 ctx
= SK_CTX(peer_sk
);
1048 return ERR_PTR(-ENOPROTOOPT
);
1052 * apparmor_socket_getpeersec_stream - get security context of peer
1054 * Note: for tcp only valid if using ipsec or cipso on lan
1056 static int apparmor_socket_getpeersec_stream(struct socket
*sock
,
1057 char __user
*optval
,
1058 int __user
*optlen
, unsigned len
)
1061 int slen
, error
= 0;
1062 struct aa_label
*label
= aa_begin_current_label(DO_UPDATE
);
1063 struct aa_label
*peer
= sk_peer_label(sock
->sk
);
1066 return PTR_ERR(peer
);
1068 slen
= aa_label_asxprint(&name
, labels_ns(label
), peer
,
1069 FLAG_SHOW_MODE
| FLAG_VIEW_SUBNS
|
1070 FLAG_HIDDEN_UNCONFINED
, GFP_KERNEL
);
1071 /* don't include terminating \0 in slen, it breaks some apps */
1077 } else if (copy_to_user(optval
, name
, slen
)) {
1081 if (put_user(slen
, optlen
))
1087 aa_end_current_label(label
);
1093 * apparmor_socket_getpeersec_dgram - get security label of packet
1094 * @sock: the peer socket
1096 * @secid: pointer to where to put the secid of the packet
1098 * Sets the netlabel socket state on sk from parent
1100 static int apparmor_socket_getpeersec_dgram(struct socket
*sock
,
1101 struct sk_buff
*skb
, u32
*secid
)
1104 /* TODO: requires secid support, and netlabel */
1105 return -ENOPROTOOPT
;
1109 * apparmor_sock_graft - Initialize newly created socket
1111 * @parent: parent socket
1113 * Note: could set off of SOCK_CTX(parent) but need to track inode and we can
1114 * just set sk security information off of current creating process label
1115 * Labeling of sk for accept case - probably should be sock based
1116 * instead of task, because of the case where an implicitly labeled
1117 * socket is shared by different tasks.
1119 static void apparmor_sock_graft(struct sock
*sk
, struct socket
*parent
)
1121 struct aa_sk_ctx
*ctx
= SK_CTX(sk
);
1123 ctx
->label
= aa_get_current_label();
1126 static int apparmor_task_kill(struct task_struct
*target
, struct siginfo
*info
,
1129 struct aa_label
*cl
, *tl
;
1133 /* TODO: after secid to label mapping is done.
1134 * Dealing with USB IO specific behavior
1137 cl
= aa_begin_current_label(NO_UPDATE
);
1138 tl
= aa_get_task_label(target
);
1139 error
= aa_may_signal(cl
, tl
, sig
);
1141 aa_end_current_label(cl
);
1146 #ifndef LSM_HOOKS_NAME
1147 #define LSM_HOOKS_NAME(X) //.name = (X),
1149 static struct security_hook_list apparmor_hooks
[] = {
1150 LSM_HOOKS_NAME("apparmor")
1152 LSM_HOOK_INIT(ptrace_access_check
, apparmor_ptrace_access_check
),
1153 LSM_HOOK_INIT(ptrace_traceme
, apparmor_ptrace_traceme
),
1154 LSM_HOOK_INIT(capget
, apparmor_capget
),
1155 LSM_HOOK_INIT(capable
, apparmor_capable
),
1157 LSM_HOOK_INIT(inode_free_security
, apparmor_inode_free_security
),
1159 LSM_HOOK_INIT(sb_mount
, apparmor_sb_mount
),
1160 LSM_HOOK_INIT(sb_umount
, apparmor_sb_umount
),
1161 LSM_HOOK_INIT(sb_pivotroot
, apparmor_sb_pivotroot
),
1163 LSM_HOOK_INIT(path_link
, apparmor_path_link
),
1164 LSM_HOOK_INIT(path_unlink
, apparmor_path_unlink
),
1165 LSM_HOOK_INIT(path_symlink
, apparmor_path_symlink
),
1166 LSM_HOOK_INIT(path_mkdir
, apparmor_path_mkdir
),
1167 LSM_HOOK_INIT(path_rmdir
, apparmor_path_rmdir
),
1168 LSM_HOOK_INIT(path_mknod
, apparmor_path_mknod
),
1169 LSM_HOOK_INIT(path_rename
, apparmor_path_rename
),
1170 LSM_HOOK_INIT(path_chmod
, apparmor_path_chmod
),
1171 LSM_HOOK_INIT(path_chown
, apparmor_path_chown
),
1172 LSM_HOOK_INIT(path_truncate
, apparmor_path_truncate
),
1173 LSM_HOOK_INIT(inode_getattr
, apparmor_inode_getattr
),
1175 LSM_HOOK_INIT(file_open
, apparmor_file_open
),
1176 LSM_HOOK_INIT(file_receive
, apparmor_file_receive
),
1177 LSM_HOOK_INIT(file_permission
, apparmor_file_permission
),
1178 LSM_HOOK_INIT(file_alloc_security
, apparmor_file_alloc_security
),
1179 LSM_HOOK_INIT(file_free_security
, apparmor_file_free_security
),
1180 LSM_HOOK_INIT(mmap_file
, apparmor_mmap_file
),
1181 LSM_HOOK_INIT(mmap_addr
, cap_mmap_addr
),
1182 LSM_HOOK_INIT(file_mprotect
, apparmor_file_mprotect
),
1183 LSM_HOOK_INIT(file_lock
, apparmor_file_lock
),
1185 LSM_HOOK_INIT(getprocattr
, apparmor_getprocattr
),
1186 LSM_HOOK_INIT(setprocattr
, apparmor_setprocattr
),
1188 LSM_HOOK_INIT(sk_alloc_security
, apparmor_sk_alloc_security
),
1189 LSM_HOOK_INIT(sk_free_security
, apparmor_sk_free_security
),
1190 LSM_HOOK_INIT(sk_clone_security
, apparmor_sk_clone_security
),
1192 LSM_HOOK_INIT(unix_stream_connect
, apparmor_unix_stream_connect
),
1193 LSM_HOOK_INIT(unix_may_send
, apparmor_unix_may_send
),
1195 LSM_HOOK_INIT(socket_create
, apparmor_socket_create
),
1196 LSM_HOOK_INIT(socket_post_create
, apparmor_socket_post_create
),
1197 LSM_HOOK_INIT(socket_bind
, apparmor_socket_bind
),
1198 LSM_HOOK_INIT(socket_connect
, apparmor_socket_connect
),
1199 LSM_HOOK_INIT(socket_listen
, apparmor_socket_listen
),
1200 LSM_HOOK_INIT(socket_accept
, apparmor_socket_accept
),
1201 LSM_HOOK_INIT(socket_sendmsg
, apparmor_socket_sendmsg
),
1202 LSM_HOOK_INIT(socket_recvmsg
, apparmor_socket_recvmsg
),
1203 LSM_HOOK_INIT(socket_getsockname
, apparmor_socket_getsockname
),
1204 LSM_HOOK_INIT(socket_getpeername
, apparmor_socket_getpeername
),
1205 LSM_HOOK_INIT(socket_getsockopt
, apparmor_socket_getsockopt
),
1206 LSM_HOOK_INIT(socket_setsockopt
, apparmor_socket_setsockopt
),
1207 LSM_HOOK_INIT(socket_shutdown
, apparmor_socket_shutdown
),
1208 LSM_HOOK_INIT(socket_sock_rcv_skb
, apparmor_socket_sock_rcv_skb
),
1209 LSM_HOOK_INIT(socket_getpeersec_stream
, apparmor_socket_getpeersec_stream
),
1210 LSM_HOOK_INIT(socket_getpeersec_dgram
, apparmor_socket_getpeersec_dgram
),
1211 LSM_HOOK_INIT(sock_graft
, apparmor_sock_graft
),
1213 LSM_HOOK_INIT(cred_alloc_blank
, apparmor_cred_alloc_blank
),
1214 LSM_HOOK_INIT(cred_free
, apparmor_cred_free
),
1215 LSM_HOOK_INIT(cred_prepare
, apparmor_cred_prepare
),
1216 LSM_HOOK_INIT(cred_transfer
, apparmor_cred_transfer
),
1218 LSM_HOOK_INIT(bprm_set_creds
, apparmor_bprm_set_creds
),
1219 LSM_HOOK_INIT(bprm_committing_creds
, apparmor_bprm_committing_creds
),
1220 LSM_HOOK_INIT(bprm_committed_creds
, apparmor_bprm_committed_creds
),
1221 LSM_HOOK_INIT(bprm_secureexec
, apparmor_bprm_secureexec
),
1223 LSM_HOOK_INIT(task_setrlimit
, apparmor_task_setrlimit
),
1224 LSM_HOOK_INIT(task_kill
, apparmor_task_kill
),
1228 * AppArmor sysfs module parameters
1231 static int param_set_aabool(const char *val
, const struct kernel_param
*kp
);
1232 static int param_get_aabool(char *buffer
, const struct kernel_param
*kp
);
1233 #define param_check_aabool param_check_bool
1234 static const struct kernel_param_ops param_ops_aabool
= {
1235 .flags
= KERNEL_PARAM_OPS_FL_NOARG
,
1236 .set
= param_set_aabool
,
1237 .get
= param_get_aabool
1240 static int param_set_aauint(const char *val
, const struct kernel_param
*kp
);
1241 static int param_get_aauint(char *buffer
, const struct kernel_param
*kp
);
1242 #define param_check_aauint param_check_uint
1243 static const struct kernel_param_ops param_ops_aauint
= {
1244 .set
= param_set_aauint
,
1245 .get
= param_get_aauint
1248 static int param_set_aalockpolicy(const char *val
, const struct kernel_param
*kp
);
1249 static int param_get_aalockpolicy(char *buffer
, const struct kernel_param
*kp
);
1250 #define param_check_aalockpolicy param_check_bool
1251 static const struct kernel_param_ops param_ops_aalockpolicy
= {
1252 .flags
= KERNEL_PARAM_OPS_FL_NOARG
,
1253 .set
= param_set_aalockpolicy
,
1254 .get
= param_get_aalockpolicy
1257 static int param_set_audit(const char *val
, struct kernel_param
*kp
);
1258 static int param_get_audit(char *buffer
, struct kernel_param
*kp
);
1260 static int param_set_mode(const char *val
, struct kernel_param
*kp
);
1261 static int param_get_mode(char *buffer
, struct kernel_param
*kp
);
1263 /* Flag values, also controllable via /sys/module/apparmor/parameters
1264 * We define special types as we want to do additional mediation.
1267 /* AppArmor global enforcement switch - complain, enforce, kill */
1268 enum profile_mode aa_g_profile_mode
= APPARMOR_ENFORCE
;
1269 module_param_call(mode
, param_set_mode
, param_get_mode
,
1270 &aa_g_profile_mode
, S_IRUGO
| S_IWUSR
);
1272 #ifdef CONFIG_SECURITY_APPARMOR_HASH
1273 /* whether policy verification hashing is enabled */
1274 bool aa_g_hash_policy
= IS_ENABLED(CONFIG_SECURITY_APPARMOR_HASH_DEFAULT
);
1275 module_param_named(hash_policy
, aa_g_hash_policy
, aabool
, S_IRUSR
| S_IWUSR
);
1280 module_param_named(debug
, aa_g_debug
, aabool
, S_IRUGO
| S_IWUSR
);
1283 enum audit_mode aa_g_audit
;
1284 module_param_call(audit
, param_set_audit
, param_get_audit
, &aa_g_audit
,
1287 /* Determines if audit header is included in audited messages. This
1288 * provides more context if the audit daemon is not running
1290 bool aa_g_audit_header
= 1;
1291 module_param_named(audit_header
, aa_g_audit_header
, aabool
, S_IRUGO
| S_IWUSR
);
1293 /* lock out loading/removal of policy
1294 * TODO: add in at boot loading of policy, which is the only way to
1295 * load policy, if lock_policy is set
1297 bool aa_g_lock_policy
;
1298 module_param_named(lock_policy
, aa_g_lock_policy
, aalockpolicy
,
1301 /* Syscall logging mode */
1302 bool aa_g_logsyscall
;
1303 module_param_named(logsyscall
, aa_g_logsyscall
, aabool
, S_IRUGO
| S_IWUSR
);
1305 /* Maximum pathname length before accesses will start getting rejected */
1306 unsigned int aa_g_path_max
= 2 * PATH_MAX
;
1307 module_param_named(path_max
, aa_g_path_max
, aauint
, S_IRUGO
| S_IWUSR
);
1309 /* Determines how paranoid loading of policy is and how much verification
1310 * on the loaded policy is done.
1311 * DEPRECATED: read only as strict checking of load is always done now
1312 * that none root users (user namespaces) can load policy.
1314 bool aa_g_paranoid_load
= 1;
1315 module_param_named(paranoid_load
, aa_g_paranoid_load
, aabool
, S_IRUGO
);
1317 /* Boot time disable flag */
1318 static bool apparmor_enabled
= CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE
;
1319 module_param_named(enabled
, apparmor_enabled
, bool, S_IRUGO
);
1321 /* Boot time to set use of default or unconfined as initial profile */
1322 bool aa_g_unconfined_init
= CONFIG_SECURITY_APPARMOR_UNCONFINED_INIT
;
1323 module_param_named(unconfined
, aa_g_unconfined_init
, aabool
, S_IRUGO
);
1326 static int __init
apparmor_enabled_setup(char *str
)
1328 unsigned long enabled
;
1329 int error
= kstrtoul(str
, 0, &enabled
);
1331 apparmor_enabled
= enabled
? 1 : 0;
1335 __setup("apparmor=", apparmor_enabled_setup
);
1337 /* set global flag turning off the ability to load policy */
1338 static int param_set_aalockpolicy(const char *val
, const struct kernel_param
*kp
)
1340 if (!apparmor_enabled
)
1342 if (apparmor_initialized
&& !policy_admin_capable(NULL
))
1344 return param_set_bool(val
, kp
);
1347 static int param_get_aalockpolicy(char *buffer
, const struct kernel_param
*kp
)
1349 if (!apparmor_enabled
)
1351 if (apparmor_initialized
&& !policy_view_capable(NULL
))
1353 return param_get_bool(buffer
, kp
);
1356 static int param_set_aabool(const char *val
, const struct kernel_param
*kp
)
1358 if (!apparmor_enabled
)
1360 if (apparmor_initialized
&& !policy_admin_capable(NULL
))
1362 return param_set_bool(val
, kp
);
1365 static int param_get_aabool(char *buffer
, const struct kernel_param
*kp
)
1367 if (!apparmor_enabled
)
1369 if (apparmor_initialized
&& !policy_view_capable(NULL
))
1371 return param_get_bool(buffer
, kp
);
1374 static int param_set_aauint(const char *val
, const struct kernel_param
*kp
)
1376 if (!apparmor_enabled
)
1378 if (apparmor_initialized
&& !policy_admin_capable(NULL
))
1380 return param_set_uint(val
, kp
);
1383 static int param_get_aauint(char *buffer
, const struct kernel_param
*kp
)
1385 if (!apparmor_enabled
)
1387 if (apparmor_initialized
&& !policy_view_capable(NULL
))
1389 return param_get_uint(buffer
, kp
);
1392 static int param_get_audit(char *buffer
, struct kernel_param
*kp
)
1394 if (!apparmor_enabled
)
1396 if (apparmor_initialized
&& !policy_view_capable(NULL
))
1398 return sprintf(buffer
, "%s", audit_mode_names
[aa_g_audit
]);
1401 static int param_set_audit(const char *val
, struct kernel_param
*kp
)
1404 if (!apparmor_enabled
)
1408 if (apparmor_initialized
&& !policy_admin_capable(NULL
))
1411 for (i
= 0; i
< AUDIT_MAX_INDEX
; i
++) {
1412 if (strcmp(val
, audit_mode_names
[i
]) == 0) {
1421 static int param_get_mode(char *buffer
, struct kernel_param
*kp
)
1423 if (!apparmor_enabled
)
1425 if (apparmor_initialized
&& !policy_view_capable(NULL
))
1428 return sprintf(buffer
, "%s", aa_profile_mode_names
[aa_g_profile_mode
]);
1431 static int param_set_mode(const char *val
, struct kernel_param
*kp
)
1434 if (!apparmor_enabled
)
1438 if (apparmor_initialized
&& !policy_admin_capable(NULL
))
1441 for (i
= 0; i
< APPARMOR_MODE_NAMES_MAX_INDEX
; i
++) {
1442 if (strcmp(val
, aa_profile_mode_names
[i
]) == 0) {
1443 aa_g_profile_mode
= i
;
1452 * AppArmor init functions
1456 * set_init_ctx - set a task context and profile on the first task.
1458 static int __init
set_init_ctx(void)
1460 struct cred
*cred
= (struct cred
*)current
->real_cred
;
1461 struct aa_task_ctx
*ctx
;
1463 ctx
= aa_alloc_task_context(GFP_KERNEL
);
1467 if (!aa_g_unconfined_init
) {
1468 ctx
->label
= aa_setup_default_label();
1470 aa_free_task_context(ctx
);
1473 /* fs setup of default is done in aa_create_aafs() */
1475 ctx
->label
= aa_get_label(ns_unconfined(root_ns
));
1476 cred_ctx(cred
) = ctx
;
1481 static void destroy_buffers(void)
1485 for_each_possible_cpu(i
) {
1486 for_each_cpu_buffer(j
) {
1487 kfree(per_cpu(aa_buffers
, i
).buf
[j
]);
1488 per_cpu(aa_buffers
, i
).buf
[j
] = NULL
;
1493 static int __init
alloc_buffers(void)
1497 for_each_possible_cpu(i
) {
1498 for_each_cpu_buffer(j
) {
1500 if (cpu_to_node(i
) > num_online_nodes())
1501 /* fallback to kmalloc for offline nodes */
1502 buffer
= kmalloc(aa_g_path_max
, GFP_KERNEL
);
1504 buffer
= kmalloc_node(aa_g_path_max
, GFP_KERNEL
,
1510 per_cpu(aa_buffers
, i
).buf
[j
] = buffer
;
1517 #ifdef CONFIG_SYSCTL
1518 static int apparmor_dointvec(struct ctl_table
*table
, int write
,
1519 void __user
*buffer
, size_t *lenp
, loff_t
*ppos
)
1521 if (!policy_admin_capable(NULL
))
1523 if (!apparmor_enabled
)
1526 return proc_dointvec(table
, write
, buffer
, lenp
, ppos
);
1529 static struct ctl_path apparmor_sysctl_path
[] = {
1530 { .procname
= "kernel", },
1534 static struct ctl_table apparmor_sysctl_table
[] = {
1536 .procname
= "unprivileged_userns_apparmor_policy",
1537 .data
= &unprivileged_userns_apparmor_policy
,
1538 .maxlen
= sizeof(int),
1540 .proc_handler
= apparmor_dointvec
,
1545 static int __init
apparmor_init_sysctl(void)
1547 return register_sysctl_paths(apparmor_sysctl_path
,
1548 apparmor_sysctl_table
) ? 0 : -ENOMEM
;
1551 static inline int apparmor_init_sysctl(void)
1555 #endif /* CONFIG_SYSCTL */
1557 static int __init
apparmor_init(void)
1561 if (!apparmor_enabled
|| !security_module_enable("apparmor")) {
1562 aa_info_message("AppArmor disabled by boot time parameter");
1563 apparmor_enabled
= 0;
1567 error
= aa_setup_dfa_engine();
1569 AA_ERROR("Unable to setup dfa engine\n");
1573 error
= aa_alloc_root_ns();
1575 AA_ERROR("Unable to allocate default profile namespace\n");
1579 error
= apparmor_init_sysctl();
1581 AA_ERROR("Unable to register sysctls\n");
1586 error
= alloc_buffers();
1588 AA_ERROR("Unable to allocate work buffers\n");
1592 error
= set_init_ctx();
1594 AA_ERROR("Failed to set context on init task\n");
1598 security_add_hooks(apparmor_hooks
, ARRAY_SIZE(apparmor_hooks
));
1600 /* Report that AppArmor successfully initialized */
1601 apparmor_initialized
= 1;
1602 if (aa_g_profile_mode
== APPARMOR_COMPLAIN
)
1603 aa_info_message("AppArmor initialized: complain mode enabled");
1604 else if (aa_g_profile_mode
== APPARMOR_KILL
)
1605 aa_info_message("AppArmor initialized: kill mode enabled");
1607 aa_info_message("AppArmor initialized");
1616 aa_teardown_dfa_engine();
1618 apparmor_enabled
= 0;
1622 security_initcall(apparmor_init
);