2 * Security plug functions
4 * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
5 * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com>
6 * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
14 #include <linux/capability.h>
15 #include <linux/dcache.h>
16 #include <linux/module.h>
17 #include <linux/init.h>
18 #include <linux/kernel.h>
19 #include <linux/lsm_hooks.h>
20 #include <linux/integrity.h>
21 #include <linux/ima.h>
22 #include <linux/evm.h>
23 #include <linux/fsnotify.h>
24 #include <linux/mman.h>
25 #include <linux/mount.h>
26 #include <linux/personality.h>
27 #include <linux/backing-dev.h>
30 #define MAX_LSM_EVM_XATTR 2
32 /* Maximum number of letters for an LSM name string */
33 #define SECURITY_NAME_MAX 10
35 /* Boot-time LSM user choice */
36 static __initdata
char chosen_lsm
[SECURITY_NAME_MAX
+ 1] =
37 CONFIG_DEFAULT_SECURITY
;
39 static void __init
do_security_initcalls(void)
42 call
= __security_initcall_start
;
43 while (call
< __security_initcall_end
) {
50 * security_init - initializes the security framework
52 * This should be called early in the kernel initialization sequence.
54 int __init
security_init(void)
56 pr_info("Security Framework initialized\n");
59 * Load minor LSMs, with the capability module always first.
61 capability_add_hooks();
66 * Load all the remaining security modules.
68 do_security_initcalls();
73 /* Save user chosen LSM */
74 static int __init
choose_lsm(char *str
)
76 strncpy(chosen_lsm
, str
, SECURITY_NAME_MAX
);
79 __setup("security=", choose_lsm
);
82 * security_module_enable - Load given security module on boot ?
83 * @module: the name of the module
85 * Each LSM must pass this method before registering its own operations
86 * to avoid security registration races. This method may also be used
87 * to check if your LSM is currently loaded during kernel initialization.
90 * -The passed LSM is the one chosen by user at boot time,
91 * -or the passed LSM is configured as the default and the user did not
92 * choose an alternate LSM at boot time.
93 * Otherwise, return false.
95 int __init
security_module_enable(const char *module
)
97 return !strcmp(module
, chosen_lsm
);
101 * Hook list operation macros.
104 * This is a hook that does not return a value.
107 * This is a hook that returns a value.
110 #define call_void_hook(FUNC, ...) \
112 struct security_hook_list *P; \
114 list_for_each_entry(P, &security_hook_heads.FUNC, list) \
115 P->hook.FUNC(__VA_ARGS__); \
118 #define call_int_hook(FUNC, IRC, ...) ({ \
121 struct security_hook_list *P; \
123 list_for_each_entry(P, &security_hook_heads.FUNC, list) { \
124 RC = P->hook.FUNC(__VA_ARGS__); \
132 /* Security operations */
134 int security_binder_set_context_mgr(struct task_struct
*mgr
)
136 return call_int_hook(binder_set_context_mgr
, 0, mgr
);
139 int security_binder_transaction(struct task_struct
*from
,
140 struct task_struct
*to
)
142 return call_int_hook(binder_transaction
, 0, from
, to
);
145 int security_binder_transfer_binder(struct task_struct
*from
,
146 struct task_struct
*to
)
148 return call_int_hook(binder_transfer_binder
, 0, from
, to
);
151 int security_binder_transfer_file(struct task_struct
*from
,
152 struct task_struct
*to
, struct file
*file
)
154 return call_int_hook(binder_transfer_file
, 0, from
, to
, file
);
157 int security_ptrace_access_check(struct task_struct
*child
, unsigned int mode
)
159 return call_int_hook(ptrace_access_check
, 0, child
, mode
);
162 int security_ptrace_traceme(struct task_struct
*parent
)
164 return call_int_hook(ptrace_traceme
, 0, parent
);
167 int security_capget(struct task_struct
*target
,
168 kernel_cap_t
*effective
,
169 kernel_cap_t
*inheritable
,
170 kernel_cap_t
*permitted
)
172 return call_int_hook(capget
, 0, target
,
173 effective
, inheritable
, permitted
);
176 int security_capset(struct cred
*new, const struct cred
*old
,
177 const kernel_cap_t
*effective
,
178 const kernel_cap_t
*inheritable
,
179 const kernel_cap_t
*permitted
)
181 return call_int_hook(capset
, 0, new, old
,
182 effective
, inheritable
, permitted
);
185 int security_capable(const struct cred
*cred
, struct user_namespace
*ns
,
188 return call_int_hook(capable
, 0, cred
, ns
, cap
, SECURITY_CAP_AUDIT
);
191 int security_capable_noaudit(const struct cred
*cred
, struct user_namespace
*ns
,
194 return call_int_hook(capable
, 0, cred
, ns
, cap
, SECURITY_CAP_NOAUDIT
);
197 int security_quotactl(int cmds
, int type
, int id
, struct super_block
*sb
)
199 return call_int_hook(quotactl
, 0, cmds
, type
, id
, sb
);
202 int security_quota_on(struct dentry
*dentry
)
204 return call_int_hook(quota_on
, 0, dentry
);
207 int security_syslog(int type
)
209 return call_int_hook(syslog
, 0, type
);
212 int security_settime64(const struct timespec64
*ts
, const struct timezone
*tz
)
214 return call_int_hook(settime
, 0, ts
, tz
);
217 int security_vm_enough_memory_mm(struct mm_struct
*mm
, long pages
)
219 struct security_hook_list
*hp
;
220 int cap_sys_admin
= 1;
224 * The module will respond with a positive value if
225 * it thinks the __vm_enough_memory() call should be
226 * made with the cap_sys_admin set. If all of the modules
227 * agree that it should be set it will. If any module
228 * thinks it should not be set it won't.
230 list_for_each_entry(hp
, &security_hook_heads
.vm_enough_memory
, list
) {
231 rc
= hp
->hook
.vm_enough_memory(mm
, pages
);
237 return __vm_enough_memory(mm
, pages
, cap_sys_admin
);
240 int security_bprm_set_creds(struct linux_binprm
*bprm
)
242 return call_int_hook(bprm_set_creds
, 0, bprm
);
245 int security_bprm_check(struct linux_binprm
*bprm
)
249 ret
= call_int_hook(bprm_check_security
, 0, bprm
);
252 return ima_bprm_check(bprm
);
255 void security_bprm_committing_creds(struct linux_binprm
*bprm
)
257 call_void_hook(bprm_committing_creds
, bprm
);
260 void security_bprm_committed_creds(struct linux_binprm
*bprm
)
262 call_void_hook(bprm_committed_creds
, bprm
);
265 int security_bprm_secureexec(struct linux_binprm
*bprm
)
267 return call_int_hook(bprm_secureexec
, 0, bprm
);
270 int security_sb_alloc(struct super_block
*sb
)
272 return call_int_hook(sb_alloc_security
, 0, sb
);
275 void security_sb_free(struct super_block
*sb
)
277 call_void_hook(sb_free_security
, sb
);
280 int security_sb_copy_data(char *orig
, char *copy
)
282 return call_int_hook(sb_copy_data
, 0, orig
, copy
);
284 EXPORT_SYMBOL(security_sb_copy_data
);
286 int security_sb_remount(struct super_block
*sb
, void *data
)
288 return call_int_hook(sb_remount
, 0, sb
, data
);
291 int security_sb_kern_mount(struct super_block
*sb
, int flags
, void *data
)
293 return call_int_hook(sb_kern_mount
, 0, sb
, flags
, data
);
296 int security_sb_show_options(struct seq_file
*m
, struct super_block
*sb
)
298 return call_int_hook(sb_show_options
, 0, m
, sb
);
301 int security_sb_statfs(struct dentry
*dentry
)
303 return call_int_hook(sb_statfs
, 0, dentry
);
306 int security_sb_mount(const char *dev_name
, const struct path
*path
,
307 const char *type
, unsigned long flags
, void *data
)
309 return call_int_hook(sb_mount
, 0, dev_name
, path
, type
, flags
, data
);
312 int security_sb_umount(struct vfsmount
*mnt
, int flags
)
314 return call_int_hook(sb_umount
, 0, mnt
, flags
);
317 int security_sb_pivotroot(const struct path
*old_path
, const struct path
*new_path
)
319 return call_int_hook(sb_pivotroot
, 0, old_path
, new_path
);
322 int security_sb_set_mnt_opts(struct super_block
*sb
,
323 struct security_mnt_opts
*opts
,
324 unsigned long kern_flags
,
325 unsigned long *set_kern_flags
)
327 return call_int_hook(sb_set_mnt_opts
,
328 opts
->num_mnt_opts
? -EOPNOTSUPP
: 0, sb
,
329 opts
, kern_flags
, set_kern_flags
);
331 EXPORT_SYMBOL(security_sb_set_mnt_opts
);
333 int security_sb_clone_mnt_opts(const struct super_block
*oldsb
,
334 struct super_block
*newsb
)
336 return call_int_hook(sb_clone_mnt_opts
, 0, oldsb
, newsb
);
338 EXPORT_SYMBOL(security_sb_clone_mnt_opts
);
340 int security_sb_parse_opts_str(char *options
, struct security_mnt_opts
*opts
)
342 return call_int_hook(sb_parse_opts_str
, 0, options
, opts
);
344 EXPORT_SYMBOL(security_sb_parse_opts_str
);
346 int security_inode_alloc(struct inode
*inode
)
348 inode
->i_security
= NULL
;
349 return call_int_hook(inode_alloc_security
, 0, inode
);
352 void security_inode_free(struct inode
*inode
)
354 integrity_inode_free(inode
);
355 call_void_hook(inode_free_security
, inode
);
358 int security_dentry_init_security(struct dentry
*dentry
, int mode
,
359 const struct qstr
*name
, void **ctx
,
362 return call_int_hook(dentry_init_security
, -EOPNOTSUPP
, dentry
, mode
,
365 EXPORT_SYMBOL(security_dentry_init_security
);
367 int security_dentry_create_files_as(struct dentry
*dentry
, int mode
,
369 const struct cred
*old
, struct cred
*new)
371 return call_int_hook(dentry_create_files_as
, 0, dentry
, mode
,
374 EXPORT_SYMBOL(security_dentry_create_files_as
);
376 int security_inode_init_security(struct inode
*inode
, struct inode
*dir
,
377 const struct qstr
*qstr
,
378 const initxattrs initxattrs
, void *fs_data
)
380 struct xattr new_xattrs
[MAX_LSM_EVM_XATTR
+ 1];
381 struct xattr
*lsm_xattr
, *evm_xattr
, *xattr
;
384 if (unlikely(IS_PRIVATE(inode
)))
388 return call_int_hook(inode_init_security
, -EOPNOTSUPP
, inode
,
389 dir
, qstr
, NULL
, NULL
, NULL
);
390 memset(new_xattrs
, 0, sizeof(new_xattrs
));
391 lsm_xattr
= new_xattrs
;
392 ret
= call_int_hook(inode_init_security
, -EOPNOTSUPP
, inode
, dir
, qstr
,
395 &lsm_xattr
->value_len
);
399 evm_xattr
= lsm_xattr
+ 1;
400 ret
= evm_inode_init_security(inode
, lsm_xattr
, evm_xattr
);
403 ret
= initxattrs(inode
, new_xattrs
, fs_data
);
405 for (xattr
= new_xattrs
; xattr
->value
!= NULL
; xattr
++)
407 return (ret
== -EOPNOTSUPP
) ? 0 : ret
;
409 EXPORT_SYMBOL(security_inode_init_security
);
411 int security_old_inode_init_security(struct inode
*inode
, struct inode
*dir
,
412 const struct qstr
*qstr
, const char **name
,
413 void **value
, size_t *len
)
415 if (unlikely(IS_PRIVATE(inode
)))
417 return call_int_hook(inode_init_security
, -EOPNOTSUPP
, inode
, dir
,
418 qstr
, name
, value
, len
);
420 EXPORT_SYMBOL(security_old_inode_init_security
);
422 #ifdef CONFIG_SECURITY_PATH
423 int security_path_mknod(const struct path
*dir
, struct dentry
*dentry
, umode_t mode
,
426 if (unlikely(IS_PRIVATE(d_backing_inode(dir
->dentry
))))
428 return call_int_hook(path_mknod
, 0, dir
, dentry
, mode
, dev
);
430 EXPORT_SYMBOL(security_path_mknod
);
432 int security_path_mkdir(const struct path
*dir
, struct dentry
*dentry
, umode_t mode
)
434 if (unlikely(IS_PRIVATE(d_backing_inode(dir
->dentry
))))
436 return call_int_hook(path_mkdir
, 0, dir
, dentry
, mode
);
438 EXPORT_SYMBOL(security_path_mkdir
);
440 int security_path_rmdir(const struct path
*dir
, struct dentry
*dentry
)
442 if (unlikely(IS_PRIVATE(d_backing_inode(dir
->dentry
))))
444 return call_int_hook(path_rmdir
, 0, dir
, dentry
);
447 int security_path_unlink(const struct path
*dir
, struct dentry
*dentry
)
449 if (unlikely(IS_PRIVATE(d_backing_inode(dir
->dentry
))))
451 return call_int_hook(path_unlink
, 0, dir
, dentry
);
453 EXPORT_SYMBOL(security_path_unlink
);
455 int security_path_symlink(const struct path
*dir
, struct dentry
*dentry
,
456 const char *old_name
)
458 if (unlikely(IS_PRIVATE(d_backing_inode(dir
->dentry
))))
460 return call_int_hook(path_symlink
, 0, dir
, dentry
, old_name
);
463 int security_path_link(struct dentry
*old_dentry
, const struct path
*new_dir
,
464 struct dentry
*new_dentry
)
466 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry
))))
468 return call_int_hook(path_link
, 0, old_dentry
, new_dir
, new_dentry
);
471 int security_path_rename(const struct path
*old_dir
, struct dentry
*old_dentry
,
472 const struct path
*new_dir
, struct dentry
*new_dentry
,
475 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry
)) ||
476 (d_is_positive(new_dentry
) && IS_PRIVATE(d_backing_inode(new_dentry
)))))
479 if (flags
& RENAME_EXCHANGE
) {
480 int err
= call_int_hook(path_rename
, 0, new_dir
, new_dentry
,
481 old_dir
, old_dentry
);
486 return call_int_hook(path_rename
, 0, old_dir
, old_dentry
, new_dir
,
489 EXPORT_SYMBOL(security_path_rename
);
491 int security_path_truncate(const struct path
*path
)
493 if (unlikely(IS_PRIVATE(d_backing_inode(path
->dentry
))))
495 return call_int_hook(path_truncate
, 0, path
);
498 int security_path_chmod(const struct path
*path
, umode_t mode
)
500 if (unlikely(IS_PRIVATE(d_backing_inode(path
->dentry
))))
502 return call_int_hook(path_chmod
, 0, path
, mode
);
505 int security_path_chown(const struct path
*path
, kuid_t uid
, kgid_t gid
)
507 if (unlikely(IS_PRIVATE(d_backing_inode(path
->dentry
))))
509 return call_int_hook(path_chown
, 0, path
, uid
, gid
);
512 int security_path_chroot(const struct path
*path
)
514 return call_int_hook(path_chroot
, 0, path
);
518 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
)
520 if (unlikely(IS_PRIVATE(dir
)))
522 return call_int_hook(inode_create
, 0, dir
, dentry
, mode
);
524 EXPORT_SYMBOL_GPL(security_inode_create
);
526 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
527 struct dentry
*new_dentry
)
529 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry
))))
531 return call_int_hook(inode_link
, 0, old_dentry
, dir
, new_dentry
);
534 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
536 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
538 return call_int_hook(inode_unlink
, 0, dir
, dentry
);
541 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
542 const char *old_name
)
544 if (unlikely(IS_PRIVATE(dir
)))
546 return call_int_hook(inode_symlink
, 0, dir
, dentry
, old_name
);
549 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
)
551 if (unlikely(IS_PRIVATE(dir
)))
553 return call_int_hook(inode_mkdir
, 0, dir
, dentry
, mode
);
555 EXPORT_SYMBOL_GPL(security_inode_mkdir
);
557 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
559 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
561 return call_int_hook(inode_rmdir
, 0, dir
, dentry
);
564 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
, dev_t dev
)
566 if (unlikely(IS_PRIVATE(dir
)))
568 return call_int_hook(inode_mknod
, 0, dir
, dentry
, mode
, dev
);
571 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
572 struct inode
*new_dir
, struct dentry
*new_dentry
,
575 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry
)) ||
576 (d_is_positive(new_dentry
) && IS_PRIVATE(d_backing_inode(new_dentry
)))))
579 if (flags
& RENAME_EXCHANGE
) {
580 int err
= call_int_hook(inode_rename
, 0, new_dir
, new_dentry
,
581 old_dir
, old_dentry
);
586 return call_int_hook(inode_rename
, 0, old_dir
, old_dentry
,
587 new_dir
, new_dentry
);
590 int security_inode_readlink(struct dentry
*dentry
)
592 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
594 return call_int_hook(inode_readlink
, 0, dentry
);
597 int security_inode_follow_link(struct dentry
*dentry
, struct inode
*inode
,
600 if (unlikely(IS_PRIVATE(inode
)))
602 return call_int_hook(inode_follow_link
, 0, dentry
, inode
, rcu
);
605 int security_inode_permission(struct inode
*inode
, int mask
)
607 if (unlikely(IS_PRIVATE(inode
)))
609 return call_int_hook(inode_permission
, 0, inode
, mask
);
612 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
616 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
618 ret
= call_int_hook(inode_setattr
, 0, dentry
, attr
);
621 return evm_inode_setattr(dentry
, attr
);
623 EXPORT_SYMBOL_GPL(security_inode_setattr
);
625 int security_inode_getattr(const struct path
*path
)
627 if (unlikely(IS_PRIVATE(d_backing_inode(path
->dentry
))))
629 return call_int_hook(inode_getattr
, 0, path
);
632 int security_inode_setxattr(struct dentry
*dentry
, const char *name
,
633 const void *value
, size_t size
, int flags
)
637 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
640 * SELinux and Smack integrate the cap call,
641 * so assume that all LSMs supplying this call do so.
643 ret
= call_int_hook(inode_setxattr
, 1, dentry
, name
, value
, size
,
647 ret
= cap_inode_setxattr(dentry
, name
, value
, size
, flags
);
650 ret
= ima_inode_setxattr(dentry
, name
, value
, size
);
653 return evm_inode_setxattr(dentry
, name
, value
, size
);
656 void security_inode_post_setxattr(struct dentry
*dentry
, const char *name
,
657 const void *value
, size_t size
, int flags
)
659 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
661 call_void_hook(inode_post_setxattr
, dentry
, name
, value
, size
, flags
);
662 evm_inode_post_setxattr(dentry
, name
, value
, size
);
665 int security_inode_getxattr(struct dentry
*dentry
, const char *name
)
667 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
669 return call_int_hook(inode_getxattr
, 0, dentry
, name
);
672 int security_inode_listxattr(struct dentry
*dentry
)
674 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
676 return call_int_hook(inode_listxattr
, 0, dentry
);
679 int security_inode_removexattr(struct dentry
*dentry
, const char *name
)
683 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
686 * SELinux and Smack integrate the cap call,
687 * so assume that all LSMs supplying this call do so.
689 ret
= call_int_hook(inode_removexattr
, 1, dentry
, name
);
691 ret
= cap_inode_removexattr(dentry
, name
);
694 ret
= ima_inode_removexattr(dentry
, name
);
697 return evm_inode_removexattr(dentry
, name
);
700 int security_inode_need_killpriv(struct dentry
*dentry
)
702 return call_int_hook(inode_need_killpriv
, 0, dentry
);
705 int security_inode_killpriv(struct dentry
*dentry
)
707 return call_int_hook(inode_killpriv
, 0, dentry
);
710 int security_inode_getsecurity(struct inode
*inode
, const char *name
, void **buffer
, bool alloc
)
712 struct security_hook_list
*hp
;
715 if (unlikely(IS_PRIVATE(inode
)))
718 * Only one module will provide an attribute with a given name.
720 list_for_each_entry(hp
, &security_hook_heads
.inode_getsecurity
, list
) {
721 rc
= hp
->hook
.inode_getsecurity(inode
, name
, buffer
, alloc
);
722 if (rc
!= -EOPNOTSUPP
)
728 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
730 struct security_hook_list
*hp
;
733 if (unlikely(IS_PRIVATE(inode
)))
736 * Only one module will provide an attribute with a given name.
738 list_for_each_entry(hp
, &security_hook_heads
.inode_setsecurity
, list
) {
739 rc
= hp
->hook
.inode_setsecurity(inode
, name
, value
, size
,
741 if (rc
!= -EOPNOTSUPP
)
747 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
749 if (unlikely(IS_PRIVATE(inode
)))
751 return call_int_hook(inode_listsecurity
, 0, inode
, buffer
, buffer_size
);
753 EXPORT_SYMBOL(security_inode_listsecurity
);
755 void security_inode_getsecid(struct inode
*inode
, u32
*secid
)
757 call_void_hook(inode_getsecid
, inode
, secid
);
760 int security_inode_copy_up(struct dentry
*src
, struct cred
**new)
762 return call_int_hook(inode_copy_up
, 0, src
, new);
764 EXPORT_SYMBOL(security_inode_copy_up
);
766 int security_inode_copy_up_xattr(const char *name
)
768 return call_int_hook(inode_copy_up_xattr
, -EOPNOTSUPP
, name
);
770 EXPORT_SYMBOL(security_inode_copy_up_xattr
);
772 int security_file_permission(struct file
*file
, int mask
)
776 ret
= call_int_hook(file_permission
, 0, file
, mask
);
780 return fsnotify_perm(file
, mask
);
783 int security_file_alloc(struct file
*file
)
785 return call_int_hook(file_alloc_security
, 0, file
);
788 void security_file_free(struct file
*file
)
790 call_void_hook(file_free_security
, file
);
793 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
795 return call_int_hook(file_ioctl
, 0, file
, cmd
, arg
);
798 static inline unsigned long mmap_prot(struct file
*file
, unsigned long prot
)
801 * Does we have PROT_READ and does the application expect
802 * it to imply PROT_EXEC? If not, nothing to talk about...
804 if ((prot
& (PROT_READ
| PROT_EXEC
)) != PROT_READ
)
806 if (!(current
->personality
& READ_IMPLIES_EXEC
))
809 * if that's an anonymous mapping, let it.
812 return prot
| PROT_EXEC
;
814 * ditto if it's not on noexec mount, except that on !MMU we need
815 * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
817 if (!path_noexec(&file
->f_path
)) {
819 if (file
->f_op
->mmap_capabilities
) {
820 unsigned caps
= file
->f_op
->mmap_capabilities(file
);
821 if (!(caps
& NOMMU_MAP_EXEC
))
825 return prot
| PROT_EXEC
;
827 /* anything on noexec mount won't get PROT_EXEC */
831 int security_mmap_file(struct file
*file
, unsigned long prot
,
835 ret
= call_int_hook(mmap_file
, 0, file
, prot
,
836 mmap_prot(file
, prot
), flags
);
839 return ima_file_mmap(file
, prot
);
842 int security_mmap_addr(unsigned long addr
)
844 return call_int_hook(mmap_addr
, 0, addr
);
847 int security_file_mprotect(struct vm_area_struct
*vma
, unsigned long reqprot
,
850 return call_int_hook(file_mprotect
, 0, vma
, reqprot
, prot
);
853 int security_file_lock(struct file
*file
, unsigned int cmd
)
855 return call_int_hook(file_lock
, 0, file
, cmd
);
858 int security_file_fcntl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
860 return call_int_hook(file_fcntl
, 0, file
, cmd
, arg
);
863 void security_file_set_fowner(struct file
*file
)
865 call_void_hook(file_set_fowner
, file
);
868 int security_file_send_sigiotask(struct task_struct
*tsk
,
869 struct fown_struct
*fown
, int sig
)
871 return call_int_hook(file_send_sigiotask
, 0, tsk
, fown
, sig
);
874 int security_file_receive(struct file
*file
)
876 return call_int_hook(file_receive
, 0, file
);
879 int security_file_open(struct file
*file
, const struct cred
*cred
)
883 ret
= call_int_hook(file_open
, 0, file
, cred
);
887 return fsnotify_perm(file
, MAY_OPEN
);
890 int security_task_create(unsigned long clone_flags
)
892 return call_int_hook(task_create
, 0, clone_flags
);
895 void security_task_free(struct task_struct
*task
)
897 call_void_hook(task_free
, task
);
900 int security_cred_alloc_blank(struct cred
*cred
, gfp_t gfp
)
902 return call_int_hook(cred_alloc_blank
, 0, cred
, gfp
);
905 void security_cred_free(struct cred
*cred
)
908 * There is a failure case in prepare_creds() that
909 * may result in a call here with ->security being NULL.
911 if (unlikely(cred
->security
== NULL
))
914 call_void_hook(cred_free
, cred
);
917 int security_prepare_creds(struct cred
*new, const struct cred
*old
, gfp_t gfp
)
919 return call_int_hook(cred_prepare
, 0, new, old
, gfp
);
922 void security_transfer_creds(struct cred
*new, const struct cred
*old
)
924 call_void_hook(cred_transfer
, new, old
);
927 int security_kernel_act_as(struct cred
*new, u32 secid
)
929 return call_int_hook(kernel_act_as
, 0, new, secid
);
932 int security_kernel_create_files_as(struct cred
*new, struct inode
*inode
)
934 return call_int_hook(kernel_create_files_as
, 0, new, inode
);
937 int security_kernel_module_request(char *kmod_name
)
939 return call_int_hook(kernel_module_request
, 0, kmod_name
);
942 int security_kernel_read_file(struct file
*file
, enum kernel_read_file_id id
)
946 ret
= call_int_hook(kernel_read_file
, 0, file
, id
);
949 return ima_read_file(file
, id
);
951 EXPORT_SYMBOL_GPL(security_kernel_read_file
);
953 int security_kernel_post_read_file(struct file
*file
, char *buf
, loff_t size
,
954 enum kernel_read_file_id id
)
958 ret
= call_int_hook(kernel_post_read_file
, 0, file
, buf
, size
, id
);
961 return ima_post_read_file(file
, buf
, size
, id
);
963 EXPORT_SYMBOL_GPL(security_kernel_post_read_file
);
965 int security_task_fix_setuid(struct cred
*new, const struct cred
*old
,
968 return call_int_hook(task_fix_setuid
, 0, new, old
, flags
);
971 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
973 return call_int_hook(task_setpgid
, 0, p
, pgid
);
976 int security_task_getpgid(struct task_struct
*p
)
978 return call_int_hook(task_getpgid
, 0, p
);
981 int security_task_getsid(struct task_struct
*p
)
983 return call_int_hook(task_getsid
, 0, p
);
986 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
989 call_void_hook(task_getsecid
, p
, secid
);
991 EXPORT_SYMBOL(security_task_getsecid
);
993 int security_task_setnice(struct task_struct
*p
, int nice
)
995 return call_int_hook(task_setnice
, 0, p
, nice
);
998 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
1000 return call_int_hook(task_setioprio
, 0, p
, ioprio
);
1003 int security_task_getioprio(struct task_struct
*p
)
1005 return call_int_hook(task_getioprio
, 0, p
);
1008 int security_task_setrlimit(struct task_struct
*p
, unsigned int resource
,
1009 struct rlimit
*new_rlim
)
1011 return call_int_hook(task_setrlimit
, 0, p
, resource
, new_rlim
);
1014 int security_task_setscheduler(struct task_struct
*p
)
1016 return call_int_hook(task_setscheduler
, 0, p
);
1019 int security_task_getscheduler(struct task_struct
*p
)
1021 return call_int_hook(task_getscheduler
, 0, p
);
1024 int security_task_movememory(struct task_struct
*p
)
1026 return call_int_hook(task_movememory
, 0, p
);
1029 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
1032 return call_int_hook(task_kill
, 0, p
, info
, sig
, secid
);
1035 int security_task_wait(struct task_struct
*p
)
1037 return call_int_hook(task_wait
, 0, p
);
1040 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
1041 unsigned long arg4
, unsigned long arg5
)
1045 struct security_hook_list
*hp
;
1047 list_for_each_entry(hp
, &security_hook_heads
.task_prctl
, list
) {
1048 thisrc
= hp
->hook
.task_prctl(option
, arg2
, arg3
, arg4
, arg5
);
1049 if (thisrc
!= -ENOSYS
) {
1058 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
1060 call_void_hook(task_to_inode
, p
, inode
);
1063 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
1065 return call_int_hook(ipc_permission
, 0, ipcp
, flag
);
1068 void security_ipc_getsecid(struct kern_ipc_perm
*ipcp
, u32
*secid
)
1071 call_void_hook(ipc_getsecid
, ipcp
, secid
);
1074 int security_msg_msg_alloc(struct msg_msg
*msg
)
1076 return call_int_hook(msg_msg_alloc_security
, 0, msg
);
1079 void security_msg_msg_free(struct msg_msg
*msg
)
1081 call_void_hook(msg_msg_free_security
, msg
);
1084 int security_msg_queue_alloc(struct msg_queue
*msq
)
1086 return call_int_hook(msg_queue_alloc_security
, 0, msq
);
1089 void security_msg_queue_free(struct msg_queue
*msq
)
1091 call_void_hook(msg_queue_free_security
, msq
);
1094 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
1096 return call_int_hook(msg_queue_associate
, 0, msq
, msqflg
);
1099 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
1101 return call_int_hook(msg_queue_msgctl
, 0, msq
, cmd
);
1104 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
1105 struct msg_msg
*msg
, int msqflg
)
1107 return call_int_hook(msg_queue_msgsnd
, 0, msq
, msg
, msqflg
);
1110 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
1111 struct task_struct
*target
, long type
, int mode
)
1113 return call_int_hook(msg_queue_msgrcv
, 0, msq
, msg
, target
, type
, mode
);
1116 int security_shm_alloc(struct shmid_kernel
*shp
)
1118 return call_int_hook(shm_alloc_security
, 0, shp
);
1121 void security_shm_free(struct shmid_kernel
*shp
)
1123 call_void_hook(shm_free_security
, shp
);
1126 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
1128 return call_int_hook(shm_associate
, 0, shp
, shmflg
);
1131 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
1133 return call_int_hook(shm_shmctl
, 0, shp
, cmd
);
1136 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
1138 return call_int_hook(shm_shmat
, 0, shp
, shmaddr
, shmflg
);
1141 int security_sem_alloc(struct sem_array
*sma
)
1143 return call_int_hook(sem_alloc_security
, 0, sma
);
1146 void security_sem_free(struct sem_array
*sma
)
1148 call_void_hook(sem_free_security
, sma
);
1151 int security_sem_associate(struct sem_array
*sma
, int semflg
)
1153 return call_int_hook(sem_associate
, 0, sma
, semflg
);
1156 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
1158 return call_int_hook(sem_semctl
, 0, sma
, cmd
);
1161 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
1162 unsigned nsops
, int alter
)
1164 return call_int_hook(sem_semop
, 0, sma
, sops
, nsops
, alter
);
1167 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
1169 if (unlikely(inode
&& IS_PRIVATE(inode
)))
1171 call_void_hook(d_instantiate
, dentry
, inode
);
1173 EXPORT_SYMBOL(security_d_instantiate
);
1175 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
1177 return call_int_hook(getprocattr
, -EINVAL
, p
, name
, value
);
1180 int security_setprocattr(struct task_struct
*p
, char *name
, void *value
, size_t size
)
1182 return call_int_hook(setprocattr
, -EINVAL
, p
, name
, value
, size
);
1185 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
1187 return call_int_hook(netlink_send
, 0, sk
, skb
);
1190 int security_ismaclabel(const char *name
)
1192 return call_int_hook(ismaclabel
, 0, name
);
1194 EXPORT_SYMBOL(security_ismaclabel
);
1196 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
1198 return call_int_hook(secid_to_secctx
, -EOPNOTSUPP
, secid
, secdata
,
1201 EXPORT_SYMBOL(security_secid_to_secctx
);
1203 int security_secctx_to_secid(const char *secdata
, u32 seclen
, u32
*secid
)
1206 return call_int_hook(secctx_to_secid
, 0, secdata
, seclen
, secid
);
1208 EXPORT_SYMBOL(security_secctx_to_secid
);
1210 void security_release_secctx(char *secdata
, u32 seclen
)
1212 call_void_hook(release_secctx
, secdata
, seclen
);
1214 EXPORT_SYMBOL(security_release_secctx
);
1216 void security_inode_invalidate_secctx(struct inode
*inode
)
1218 call_void_hook(inode_invalidate_secctx
, inode
);
1220 EXPORT_SYMBOL(security_inode_invalidate_secctx
);
1222 int security_inode_notifysecctx(struct inode
*inode
, void *ctx
, u32 ctxlen
)
1224 return call_int_hook(inode_notifysecctx
, 0, inode
, ctx
, ctxlen
);
1226 EXPORT_SYMBOL(security_inode_notifysecctx
);
1228 int security_inode_setsecctx(struct dentry
*dentry
, void *ctx
, u32 ctxlen
)
1230 return call_int_hook(inode_setsecctx
, 0, dentry
, ctx
, ctxlen
);
1232 EXPORT_SYMBOL(security_inode_setsecctx
);
1234 int security_inode_getsecctx(struct inode
*inode
, void **ctx
, u32
*ctxlen
)
1236 return call_int_hook(inode_getsecctx
, -EOPNOTSUPP
, inode
, ctx
, ctxlen
);
1238 EXPORT_SYMBOL(security_inode_getsecctx
);
1240 #ifdef CONFIG_SECURITY_NETWORK
1242 int security_unix_stream_connect(struct sock
*sock
, struct sock
*other
, struct sock
*newsk
)
1244 return call_int_hook(unix_stream_connect
, 0, sock
, other
, newsk
);
1246 EXPORT_SYMBOL(security_unix_stream_connect
);
1248 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
1250 return call_int_hook(unix_may_send
, 0, sock
, other
);
1252 EXPORT_SYMBOL(security_unix_may_send
);
1254 int security_socket_create(int family
, int type
, int protocol
, int kern
)
1256 return call_int_hook(socket_create
, 0, family
, type
, protocol
, kern
);
1259 int security_socket_post_create(struct socket
*sock
, int family
,
1260 int type
, int protocol
, int kern
)
1262 return call_int_hook(socket_post_create
, 0, sock
, family
, type
,
1266 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1268 return call_int_hook(socket_bind
, 0, sock
, address
, addrlen
);
1271 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1273 return call_int_hook(socket_connect
, 0, sock
, address
, addrlen
);
1276 int security_socket_listen(struct socket
*sock
, int backlog
)
1278 return call_int_hook(socket_listen
, 0, sock
, backlog
);
1281 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
1283 return call_int_hook(socket_accept
, 0, sock
, newsock
);
1286 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
1288 return call_int_hook(socket_sendmsg
, 0, sock
, msg
, size
);
1291 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
1292 int size
, int flags
)
1294 return call_int_hook(socket_recvmsg
, 0, sock
, msg
, size
, flags
);
1297 int security_socket_getsockname(struct socket
*sock
)
1299 return call_int_hook(socket_getsockname
, 0, sock
);
1302 int security_socket_getpeername(struct socket
*sock
)
1304 return call_int_hook(socket_getpeername
, 0, sock
);
1307 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
1309 return call_int_hook(socket_getsockopt
, 0, sock
, level
, optname
);
1312 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
1314 return call_int_hook(socket_setsockopt
, 0, sock
, level
, optname
);
1317 int security_socket_shutdown(struct socket
*sock
, int how
)
1319 return call_int_hook(socket_shutdown
, 0, sock
, how
);
1322 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
1324 return call_int_hook(socket_sock_rcv_skb
, 0, sk
, skb
);
1326 EXPORT_SYMBOL(security_sock_rcv_skb
);
1328 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
1329 int __user
*optlen
, unsigned len
)
1331 return call_int_hook(socket_getpeersec_stream
, -ENOPROTOOPT
, sock
,
1332 optval
, optlen
, len
);
1335 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
1337 return call_int_hook(socket_getpeersec_dgram
, -ENOPROTOOPT
, sock
,
1340 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
1342 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
1344 return call_int_hook(sk_alloc_security
, 0, sk
, family
, priority
);
1347 void security_sk_free(struct sock
*sk
)
1349 call_void_hook(sk_free_security
, sk
);
1352 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
1354 call_void_hook(sk_clone_security
, sk
, newsk
);
1356 EXPORT_SYMBOL(security_sk_clone
);
1358 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
1360 call_void_hook(sk_getsecid
, sk
, &fl
->flowi_secid
);
1362 EXPORT_SYMBOL(security_sk_classify_flow
);
1364 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
1366 call_void_hook(req_classify_flow
, req
, fl
);
1368 EXPORT_SYMBOL(security_req_classify_flow
);
1370 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
1372 call_void_hook(sock_graft
, sk
, parent
);
1374 EXPORT_SYMBOL(security_sock_graft
);
1376 int security_inet_conn_request(struct sock
*sk
,
1377 struct sk_buff
*skb
, struct request_sock
*req
)
1379 return call_int_hook(inet_conn_request
, 0, sk
, skb
, req
);
1381 EXPORT_SYMBOL(security_inet_conn_request
);
1383 void security_inet_csk_clone(struct sock
*newsk
,
1384 const struct request_sock
*req
)
1386 call_void_hook(inet_csk_clone
, newsk
, req
);
1389 void security_inet_conn_established(struct sock
*sk
,
1390 struct sk_buff
*skb
)
1392 call_void_hook(inet_conn_established
, sk
, skb
);
1395 int security_secmark_relabel_packet(u32 secid
)
1397 return call_int_hook(secmark_relabel_packet
, 0, secid
);
1399 EXPORT_SYMBOL(security_secmark_relabel_packet
);
1401 void security_secmark_refcount_inc(void)
1403 call_void_hook(secmark_refcount_inc
);
1405 EXPORT_SYMBOL(security_secmark_refcount_inc
);
1407 void security_secmark_refcount_dec(void)
1409 call_void_hook(secmark_refcount_dec
);
1411 EXPORT_SYMBOL(security_secmark_refcount_dec
);
1413 int security_tun_dev_alloc_security(void **security
)
1415 return call_int_hook(tun_dev_alloc_security
, 0, security
);
1417 EXPORT_SYMBOL(security_tun_dev_alloc_security
);
1419 void security_tun_dev_free_security(void *security
)
1421 call_void_hook(tun_dev_free_security
, security
);
1423 EXPORT_SYMBOL(security_tun_dev_free_security
);
1425 int security_tun_dev_create(void)
1427 return call_int_hook(tun_dev_create
, 0);
1429 EXPORT_SYMBOL(security_tun_dev_create
);
1431 int security_tun_dev_attach_queue(void *security
)
1433 return call_int_hook(tun_dev_attach_queue
, 0, security
);
1435 EXPORT_SYMBOL(security_tun_dev_attach_queue
);
1437 int security_tun_dev_attach(struct sock
*sk
, void *security
)
1439 return call_int_hook(tun_dev_attach
, 0, sk
, security
);
1441 EXPORT_SYMBOL(security_tun_dev_attach
);
1443 int security_tun_dev_open(void *security
)
1445 return call_int_hook(tun_dev_open
, 0, security
);
1447 EXPORT_SYMBOL(security_tun_dev_open
);
1449 #endif /* CONFIG_SECURITY_NETWORK */
1451 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1453 int security_xfrm_policy_alloc(struct xfrm_sec_ctx
**ctxp
,
1454 struct xfrm_user_sec_ctx
*sec_ctx
,
1457 return call_int_hook(xfrm_policy_alloc_security
, 0, ctxp
, sec_ctx
, gfp
);
1459 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1461 int security_xfrm_policy_clone(struct xfrm_sec_ctx
*old_ctx
,
1462 struct xfrm_sec_ctx
**new_ctxp
)
1464 return call_int_hook(xfrm_policy_clone_security
, 0, old_ctx
, new_ctxp
);
1467 void security_xfrm_policy_free(struct xfrm_sec_ctx
*ctx
)
1469 call_void_hook(xfrm_policy_free_security
, ctx
);
1471 EXPORT_SYMBOL(security_xfrm_policy_free
);
1473 int security_xfrm_policy_delete(struct xfrm_sec_ctx
*ctx
)
1475 return call_int_hook(xfrm_policy_delete_security
, 0, ctx
);
1478 int security_xfrm_state_alloc(struct xfrm_state
*x
,
1479 struct xfrm_user_sec_ctx
*sec_ctx
)
1481 return call_int_hook(xfrm_state_alloc
, 0, x
, sec_ctx
);
1483 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1485 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1486 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1488 return call_int_hook(xfrm_state_alloc_acquire
, 0, x
, polsec
, secid
);
1491 int security_xfrm_state_delete(struct xfrm_state
*x
)
1493 return call_int_hook(xfrm_state_delete_security
, 0, x
);
1495 EXPORT_SYMBOL(security_xfrm_state_delete
);
1497 void security_xfrm_state_free(struct xfrm_state
*x
)
1499 call_void_hook(xfrm_state_free_security
, x
);
1502 int security_xfrm_policy_lookup(struct xfrm_sec_ctx
*ctx
, u32 fl_secid
, u8 dir
)
1504 return call_int_hook(xfrm_policy_lookup
, 0, ctx
, fl_secid
, dir
);
1507 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1508 struct xfrm_policy
*xp
,
1509 const struct flowi
*fl
)
1511 struct security_hook_list
*hp
;
1515 * Since this function is expected to return 0 or 1, the judgment
1516 * becomes difficult if multiple LSMs supply this call. Fortunately,
1517 * we can use the first LSM's judgment because currently only SELinux
1518 * supplies this call.
1520 * For speed optimization, we explicitly break the loop rather than
1523 list_for_each_entry(hp
, &security_hook_heads
.xfrm_state_pol_flow_match
,
1525 rc
= hp
->hook
.xfrm_state_pol_flow_match(x
, xp
, fl
);
1531 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1533 return call_int_hook(xfrm_decode_session
, 0, skb
, secid
, 1);
1536 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1538 int rc
= call_int_hook(xfrm_decode_session
, 0, skb
, &fl
->flowi_secid
,
1543 EXPORT_SYMBOL(security_skb_classify_flow
);
1545 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1549 int security_key_alloc(struct key
*key
, const struct cred
*cred
,
1550 unsigned long flags
)
1552 return call_int_hook(key_alloc
, 0, key
, cred
, flags
);
1555 void security_key_free(struct key
*key
)
1557 call_void_hook(key_free
, key
);
1560 int security_key_permission(key_ref_t key_ref
,
1561 const struct cred
*cred
, unsigned perm
)
1563 return call_int_hook(key_permission
, 0, key_ref
, cred
, perm
);
1566 int security_key_getsecurity(struct key
*key
, char **_buffer
)
1569 return call_int_hook(key_getsecurity
, 0, key
, _buffer
);
1572 #endif /* CONFIG_KEYS */
1576 int security_audit_rule_init(u32 field
, u32 op
, char *rulestr
, void **lsmrule
)
1578 return call_int_hook(audit_rule_init
, 0, field
, op
, rulestr
, lsmrule
);
1581 int security_audit_rule_known(struct audit_krule
*krule
)
1583 return call_int_hook(audit_rule_known
, 0, krule
);
1586 void security_audit_rule_free(void *lsmrule
)
1588 call_void_hook(audit_rule_free
, lsmrule
);
1591 int security_audit_rule_match(u32 secid
, u32 field
, u32 op
, void *lsmrule
,
1592 struct audit_context
*actx
)
1594 return call_int_hook(audit_rule_match
, 0, secid
, field
, op
, lsmrule
,
1597 #endif /* CONFIG_AUDIT */
1599 struct security_hook_heads security_hook_heads
= {
1600 .binder_set_context_mgr
=
1601 LIST_HEAD_INIT(security_hook_heads
.binder_set_context_mgr
),
1602 .binder_transaction
=
1603 LIST_HEAD_INIT(security_hook_heads
.binder_transaction
),
1604 .binder_transfer_binder
=
1605 LIST_HEAD_INIT(security_hook_heads
.binder_transfer_binder
),
1606 .binder_transfer_file
=
1607 LIST_HEAD_INIT(security_hook_heads
.binder_transfer_file
),
1609 .ptrace_access_check
=
1610 LIST_HEAD_INIT(security_hook_heads
.ptrace_access_check
),
1612 LIST_HEAD_INIT(security_hook_heads
.ptrace_traceme
),
1613 .capget
= LIST_HEAD_INIT(security_hook_heads
.capget
),
1614 .capset
= LIST_HEAD_INIT(security_hook_heads
.capset
),
1615 .capable
= LIST_HEAD_INIT(security_hook_heads
.capable
),
1616 .quotactl
= LIST_HEAD_INIT(security_hook_heads
.quotactl
),
1617 .quota_on
= LIST_HEAD_INIT(security_hook_heads
.quota_on
),
1618 .syslog
= LIST_HEAD_INIT(security_hook_heads
.syslog
),
1619 .settime
= LIST_HEAD_INIT(security_hook_heads
.settime
),
1621 LIST_HEAD_INIT(security_hook_heads
.vm_enough_memory
),
1623 LIST_HEAD_INIT(security_hook_heads
.bprm_set_creds
),
1624 .bprm_check_security
=
1625 LIST_HEAD_INIT(security_hook_heads
.bprm_check_security
),
1627 LIST_HEAD_INIT(security_hook_heads
.bprm_secureexec
),
1628 .bprm_committing_creds
=
1629 LIST_HEAD_INIT(security_hook_heads
.bprm_committing_creds
),
1630 .bprm_committed_creds
=
1631 LIST_HEAD_INIT(security_hook_heads
.bprm_committed_creds
),
1632 .sb_alloc_security
=
1633 LIST_HEAD_INIT(security_hook_heads
.sb_alloc_security
),
1635 LIST_HEAD_INIT(security_hook_heads
.sb_free_security
),
1636 .sb_copy_data
= LIST_HEAD_INIT(security_hook_heads
.sb_copy_data
),
1637 .sb_remount
= LIST_HEAD_INIT(security_hook_heads
.sb_remount
),
1639 LIST_HEAD_INIT(security_hook_heads
.sb_kern_mount
),
1641 LIST_HEAD_INIT(security_hook_heads
.sb_show_options
),
1642 .sb_statfs
= LIST_HEAD_INIT(security_hook_heads
.sb_statfs
),
1643 .sb_mount
= LIST_HEAD_INIT(security_hook_heads
.sb_mount
),
1644 .sb_umount
= LIST_HEAD_INIT(security_hook_heads
.sb_umount
),
1645 .sb_pivotroot
= LIST_HEAD_INIT(security_hook_heads
.sb_pivotroot
),
1647 LIST_HEAD_INIT(security_hook_heads
.sb_set_mnt_opts
),
1648 .sb_clone_mnt_opts
=
1649 LIST_HEAD_INIT(security_hook_heads
.sb_clone_mnt_opts
),
1650 .sb_parse_opts_str
=
1651 LIST_HEAD_INIT(security_hook_heads
.sb_parse_opts_str
),
1652 .dentry_init_security
=
1653 LIST_HEAD_INIT(security_hook_heads
.dentry_init_security
),
1654 .dentry_create_files_as
=
1655 LIST_HEAD_INIT(security_hook_heads
.dentry_create_files_as
),
1656 #ifdef CONFIG_SECURITY_PATH
1657 .path_unlink
= LIST_HEAD_INIT(security_hook_heads
.path_unlink
),
1658 .path_mkdir
= LIST_HEAD_INIT(security_hook_heads
.path_mkdir
),
1659 .path_rmdir
= LIST_HEAD_INIT(security_hook_heads
.path_rmdir
),
1660 .path_mknod
= LIST_HEAD_INIT(security_hook_heads
.path_mknod
),
1662 LIST_HEAD_INIT(security_hook_heads
.path_truncate
),
1663 .path_symlink
= LIST_HEAD_INIT(security_hook_heads
.path_symlink
),
1664 .path_link
= LIST_HEAD_INIT(security_hook_heads
.path_link
),
1665 .path_rename
= LIST_HEAD_INIT(security_hook_heads
.path_rename
),
1666 .path_chmod
= LIST_HEAD_INIT(security_hook_heads
.path_chmod
),
1667 .path_chown
= LIST_HEAD_INIT(security_hook_heads
.path_chown
),
1668 .path_chroot
= LIST_HEAD_INIT(security_hook_heads
.path_chroot
),
1670 .inode_alloc_security
=
1671 LIST_HEAD_INIT(security_hook_heads
.inode_alloc_security
),
1672 .inode_free_security
=
1673 LIST_HEAD_INIT(security_hook_heads
.inode_free_security
),
1674 .inode_init_security
=
1675 LIST_HEAD_INIT(security_hook_heads
.inode_init_security
),
1676 .inode_create
= LIST_HEAD_INIT(security_hook_heads
.inode_create
),
1677 .inode_link
= LIST_HEAD_INIT(security_hook_heads
.inode_link
),
1678 .inode_unlink
= LIST_HEAD_INIT(security_hook_heads
.inode_unlink
),
1680 LIST_HEAD_INIT(security_hook_heads
.inode_symlink
),
1681 .inode_mkdir
= LIST_HEAD_INIT(security_hook_heads
.inode_mkdir
),
1682 .inode_rmdir
= LIST_HEAD_INIT(security_hook_heads
.inode_rmdir
),
1683 .inode_mknod
= LIST_HEAD_INIT(security_hook_heads
.inode_mknod
),
1684 .inode_rename
= LIST_HEAD_INIT(security_hook_heads
.inode_rename
),
1686 LIST_HEAD_INIT(security_hook_heads
.inode_readlink
),
1687 .inode_follow_link
=
1688 LIST_HEAD_INIT(security_hook_heads
.inode_follow_link
),
1690 LIST_HEAD_INIT(security_hook_heads
.inode_permission
),
1692 LIST_HEAD_INIT(security_hook_heads
.inode_setattr
),
1694 LIST_HEAD_INIT(security_hook_heads
.inode_getattr
),
1696 LIST_HEAD_INIT(security_hook_heads
.inode_setxattr
),
1697 .inode_post_setxattr
=
1698 LIST_HEAD_INIT(security_hook_heads
.inode_post_setxattr
),
1700 LIST_HEAD_INIT(security_hook_heads
.inode_getxattr
),
1702 LIST_HEAD_INIT(security_hook_heads
.inode_listxattr
),
1703 .inode_removexattr
=
1704 LIST_HEAD_INIT(security_hook_heads
.inode_removexattr
),
1705 .inode_need_killpriv
=
1706 LIST_HEAD_INIT(security_hook_heads
.inode_need_killpriv
),
1708 LIST_HEAD_INIT(security_hook_heads
.inode_killpriv
),
1709 .inode_getsecurity
=
1710 LIST_HEAD_INIT(security_hook_heads
.inode_getsecurity
),
1711 .inode_setsecurity
=
1712 LIST_HEAD_INIT(security_hook_heads
.inode_setsecurity
),
1713 .inode_listsecurity
=
1714 LIST_HEAD_INIT(security_hook_heads
.inode_listsecurity
),
1716 LIST_HEAD_INIT(security_hook_heads
.inode_getsecid
),
1718 LIST_HEAD_INIT(security_hook_heads
.inode_copy_up
),
1719 .inode_copy_up_xattr
=
1720 LIST_HEAD_INIT(security_hook_heads
.inode_copy_up_xattr
),
1722 LIST_HEAD_INIT(security_hook_heads
.file_permission
),
1723 .file_alloc_security
=
1724 LIST_HEAD_INIT(security_hook_heads
.file_alloc_security
),
1725 .file_free_security
=
1726 LIST_HEAD_INIT(security_hook_heads
.file_free_security
),
1727 .file_ioctl
= LIST_HEAD_INIT(security_hook_heads
.file_ioctl
),
1728 .mmap_addr
= LIST_HEAD_INIT(security_hook_heads
.mmap_addr
),
1729 .mmap_file
= LIST_HEAD_INIT(security_hook_heads
.mmap_file
),
1731 LIST_HEAD_INIT(security_hook_heads
.file_mprotect
),
1732 .file_lock
= LIST_HEAD_INIT(security_hook_heads
.file_lock
),
1733 .file_fcntl
= LIST_HEAD_INIT(security_hook_heads
.file_fcntl
),
1735 LIST_HEAD_INIT(security_hook_heads
.file_set_fowner
),
1736 .file_send_sigiotask
=
1737 LIST_HEAD_INIT(security_hook_heads
.file_send_sigiotask
),
1738 .file_receive
= LIST_HEAD_INIT(security_hook_heads
.file_receive
),
1739 .file_open
= LIST_HEAD_INIT(security_hook_heads
.file_open
),
1740 .task_create
= LIST_HEAD_INIT(security_hook_heads
.task_create
),
1741 .task_free
= LIST_HEAD_INIT(security_hook_heads
.task_free
),
1743 LIST_HEAD_INIT(security_hook_heads
.cred_alloc_blank
),
1744 .cred_free
= LIST_HEAD_INIT(security_hook_heads
.cred_free
),
1745 .cred_prepare
= LIST_HEAD_INIT(security_hook_heads
.cred_prepare
),
1747 LIST_HEAD_INIT(security_hook_heads
.cred_transfer
),
1749 LIST_HEAD_INIT(security_hook_heads
.kernel_act_as
),
1750 .kernel_create_files_as
=
1751 LIST_HEAD_INIT(security_hook_heads
.kernel_create_files_as
),
1752 .kernel_module_request
=
1753 LIST_HEAD_INIT(security_hook_heads
.kernel_module_request
),
1755 LIST_HEAD_INIT(security_hook_heads
.kernel_read_file
),
1756 .kernel_post_read_file
=
1757 LIST_HEAD_INIT(security_hook_heads
.kernel_post_read_file
),
1759 LIST_HEAD_INIT(security_hook_heads
.task_fix_setuid
),
1760 .task_setpgid
= LIST_HEAD_INIT(security_hook_heads
.task_setpgid
),
1761 .task_getpgid
= LIST_HEAD_INIT(security_hook_heads
.task_getpgid
),
1762 .task_getsid
= LIST_HEAD_INIT(security_hook_heads
.task_getsid
),
1764 LIST_HEAD_INIT(security_hook_heads
.task_getsecid
),
1765 .task_setnice
= LIST_HEAD_INIT(security_hook_heads
.task_setnice
),
1767 LIST_HEAD_INIT(security_hook_heads
.task_setioprio
),
1769 LIST_HEAD_INIT(security_hook_heads
.task_getioprio
),
1771 LIST_HEAD_INIT(security_hook_heads
.task_setrlimit
),
1772 .task_setscheduler
=
1773 LIST_HEAD_INIT(security_hook_heads
.task_setscheduler
),
1774 .task_getscheduler
=
1775 LIST_HEAD_INIT(security_hook_heads
.task_getscheduler
),
1777 LIST_HEAD_INIT(security_hook_heads
.task_movememory
),
1778 .task_kill
= LIST_HEAD_INIT(security_hook_heads
.task_kill
),
1779 .task_wait
= LIST_HEAD_INIT(security_hook_heads
.task_wait
),
1780 .task_prctl
= LIST_HEAD_INIT(security_hook_heads
.task_prctl
),
1782 LIST_HEAD_INIT(security_hook_heads
.task_to_inode
),
1784 LIST_HEAD_INIT(security_hook_heads
.ipc_permission
),
1785 .ipc_getsecid
= LIST_HEAD_INIT(security_hook_heads
.ipc_getsecid
),
1786 .msg_msg_alloc_security
=
1787 LIST_HEAD_INIT(security_hook_heads
.msg_msg_alloc_security
),
1788 .msg_msg_free_security
=
1789 LIST_HEAD_INIT(security_hook_heads
.msg_msg_free_security
),
1790 .msg_queue_alloc_security
=
1791 LIST_HEAD_INIT(security_hook_heads
.msg_queue_alloc_security
),
1792 .msg_queue_free_security
=
1793 LIST_HEAD_INIT(security_hook_heads
.msg_queue_free_security
),
1794 .msg_queue_associate
=
1795 LIST_HEAD_INIT(security_hook_heads
.msg_queue_associate
),
1797 LIST_HEAD_INIT(security_hook_heads
.msg_queue_msgctl
),
1799 LIST_HEAD_INIT(security_hook_heads
.msg_queue_msgsnd
),
1801 LIST_HEAD_INIT(security_hook_heads
.msg_queue_msgrcv
),
1802 .shm_alloc_security
=
1803 LIST_HEAD_INIT(security_hook_heads
.shm_alloc_security
),
1804 .shm_free_security
=
1805 LIST_HEAD_INIT(security_hook_heads
.shm_free_security
),
1807 LIST_HEAD_INIT(security_hook_heads
.shm_associate
),
1808 .shm_shmctl
= LIST_HEAD_INIT(security_hook_heads
.shm_shmctl
),
1809 .shm_shmat
= LIST_HEAD_INIT(security_hook_heads
.shm_shmat
),
1810 .sem_alloc_security
=
1811 LIST_HEAD_INIT(security_hook_heads
.sem_alloc_security
),
1812 .sem_free_security
=
1813 LIST_HEAD_INIT(security_hook_heads
.sem_free_security
),
1815 LIST_HEAD_INIT(security_hook_heads
.sem_associate
),
1816 .sem_semctl
= LIST_HEAD_INIT(security_hook_heads
.sem_semctl
),
1817 .sem_semop
= LIST_HEAD_INIT(security_hook_heads
.sem_semop
),
1818 .netlink_send
= LIST_HEAD_INIT(security_hook_heads
.netlink_send
),
1820 LIST_HEAD_INIT(security_hook_heads
.d_instantiate
),
1821 .getprocattr
= LIST_HEAD_INIT(security_hook_heads
.getprocattr
),
1822 .setprocattr
= LIST_HEAD_INIT(security_hook_heads
.setprocattr
),
1823 .ismaclabel
= LIST_HEAD_INIT(security_hook_heads
.ismaclabel
),
1825 LIST_HEAD_INIT(security_hook_heads
.secid_to_secctx
),
1827 LIST_HEAD_INIT(security_hook_heads
.secctx_to_secid
),
1829 LIST_HEAD_INIT(security_hook_heads
.release_secctx
),
1830 .inode_invalidate_secctx
=
1831 LIST_HEAD_INIT(security_hook_heads
.inode_invalidate_secctx
),
1832 .inode_notifysecctx
=
1833 LIST_HEAD_INIT(security_hook_heads
.inode_notifysecctx
),
1835 LIST_HEAD_INIT(security_hook_heads
.inode_setsecctx
),
1837 LIST_HEAD_INIT(security_hook_heads
.inode_getsecctx
),
1838 #ifdef CONFIG_SECURITY_NETWORK
1839 .unix_stream_connect
=
1840 LIST_HEAD_INIT(security_hook_heads
.unix_stream_connect
),
1842 LIST_HEAD_INIT(security_hook_heads
.unix_may_send
),
1844 LIST_HEAD_INIT(security_hook_heads
.socket_create
),
1845 .socket_post_create
=
1846 LIST_HEAD_INIT(security_hook_heads
.socket_post_create
),
1847 .socket_bind
= LIST_HEAD_INIT(security_hook_heads
.socket_bind
),
1849 LIST_HEAD_INIT(security_hook_heads
.socket_connect
),
1851 LIST_HEAD_INIT(security_hook_heads
.socket_listen
),
1853 LIST_HEAD_INIT(security_hook_heads
.socket_accept
),
1855 LIST_HEAD_INIT(security_hook_heads
.socket_sendmsg
),
1857 LIST_HEAD_INIT(security_hook_heads
.socket_recvmsg
),
1858 .socket_getsockname
=
1859 LIST_HEAD_INIT(security_hook_heads
.socket_getsockname
),
1860 .socket_getpeername
=
1861 LIST_HEAD_INIT(security_hook_heads
.socket_getpeername
),
1862 .socket_getsockopt
=
1863 LIST_HEAD_INIT(security_hook_heads
.socket_getsockopt
),
1864 .socket_setsockopt
=
1865 LIST_HEAD_INIT(security_hook_heads
.socket_setsockopt
),
1867 LIST_HEAD_INIT(security_hook_heads
.socket_shutdown
),
1868 .socket_sock_rcv_skb
=
1869 LIST_HEAD_INIT(security_hook_heads
.socket_sock_rcv_skb
),
1870 .socket_getpeersec_stream
=
1871 LIST_HEAD_INIT(security_hook_heads
.socket_getpeersec_stream
),
1872 .socket_getpeersec_dgram
=
1873 LIST_HEAD_INIT(security_hook_heads
.socket_getpeersec_dgram
),
1874 .sk_alloc_security
=
1875 LIST_HEAD_INIT(security_hook_heads
.sk_alloc_security
),
1877 LIST_HEAD_INIT(security_hook_heads
.sk_free_security
),
1878 .sk_clone_security
=
1879 LIST_HEAD_INIT(security_hook_heads
.sk_clone_security
),
1880 .sk_getsecid
= LIST_HEAD_INIT(security_hook_heads
.sk_getsecid
),
1881 .sock_graft
= LIST_HEAD_INIT(security_hook_heads
.sock_graft
),
1882 .inet_conn_request
=
1883 LIST_HEAD_INIT(security_hook_heads
.inet_conn_request
),
1885 LIST_HEAD_INIT(security_hook_heads
.inet_csk_clone
),
1886 .inet_conn_established
=
1887 LIST_HEAD_INIT(security_hook_heads
.inet_conn_established
),
1888 .secmark_relabel_packet
=
1889 LIST_HEAD_INIT(security_hook_heads
.secmark_relabel_packet
),
1890 .secmark_refcount_inc
=
1891 LIST_HEAD_INIT(security_hook_heads
.secmark_refcount_inc
),
1892 .secmark_refcount_dec
=
1893 LIST_HEAD_INIT(security_hook_heads
.secmark_refcount_dec
),
1894 .req_classify_flow
=
1895 LIST_HEAD_INIT(security_hook_heads
.req_classify_flow
),
1896 .tun_dev_alloc_security
=
1897 LIST_HEAD_INIT(security_hook_heads
.tun_dev_alloc_security
),
1898 .tun_dev_free_security
=
1899 LIST_HEAD_INIT(security_hook_heads
.tun_dev_free_security
),
1901 LIST_HEAD_INIT(security_hook_heads
.tun_dev_create
),
1902 .tun_dev_attach_queue
=
1903 LIST_HEAD_INIT(security_hook_heads
.tun_dev_attach_queue
),
1905 LIST_HEAD_INIT(security_hook_heads
.tun_dev_attach
),
1906 .tun_dev_open
= LIST_HEAD_INIT(security_hook_heads
.tun_dev_open
),
1907 #endif /* CONFIG_SECURITY_NETWORK */
1908 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1909 .xfrm_policy_alloc_security
=
1910 LIST_HEAD_INIT(security_hook_heads
.xfrm_policy_alloc_security
),
1911 .xfrm_policy_clone_security
=
1912 LIST_HEAD_INIT(security_hook_heads
.xfrm_policy_clone_security
),
1913 .xfrm_policy_free_security
=
1914 LIST_HEAD_INIT(security_hook_heads
.xfrm_policy_free_security
),
1915 .xfrm_policy_delete_security
=
1916 LIST_HEAD_INIT(security_hook_heads
.xfrm_policy_delete_security
),
1918 LIST_HEAD_INIT(security_hook_heads
.xfrm_state_alloc
),
1919 .xfrm_state_alloc_acquire
=
1920 LIST_HEAD_INIT(security_hook_heads
.xfrm_state_alloc_acquire
),
1921 .xfrm_state_free_security
=
1922 LIST_HEAD_INIT(security_hook_heads
.xfrm_state_free_security
),
1923 .xfrm_state_delete_security
=
1924 LIST_HEAD_INIT(security_hook_heads
.xfrm_state_delete_security
),
1925 .xfrm_policy_lookup
=
1926 LIST_HEAD_INIT(security_hook_heads
.xfrm_policy_lookup
),
1927 .xfrm_state_pol_flow_match
=
1928 LIST_HEAD_INIT(security_hook_heads
.xfrm_state_pol_flow_match
),
1929 .xfrm_decode_session
=
1930 LIST_HEAD_INIT(security_hook_heads
.xfrm_decode_session
),
1931 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1933 .key_alloc
= LIST_HEAD_INIT(security_hook_heads
.key_alloc
),
1934 .key_free
= LIST_HEAD_INIT(security_hook_heads
.key_free
),
1936 LIST_HEAD_INIT(security_hook_heads
.key_permission
),
1938 LIST_HEAD_INIT(security_hook_heads
.key_getsecurity
),
1939 #endif /* CONFIG_KEYS */
1942 LIST_HEAD_INIT(security_hook_heads
.audit_rule_init
),
1944 LIST_HEAD_INIT(security_hook_heads
.audit_rule_known
),
1946 LIST_HEAD_INIT(security_hook_heads
.audit_rule_match
),
1948 LIST_HEAD_INIT(security_hook_heads
.audit_rule_free
),
1949 #endif /* CONFIG_AUDIT */