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
);
446 EXPORT_SYMBOL_GPL(security_path_rmdir
);
448 int security_path_unlink(const struct path
*dir
, struct dentry
*dentry
)
450 if (unlikely(IS_PRIVATE(d_backing_inode(dir
->dentry
))))
452 return call_int_hook(path_unlink
, 0, dir
, dentry
);
454 EXPORT_SYMBOL(security_path_unlink
);
456 int security_path_symlink(const struct path
*dir
, struct dentry
*dentry
,
457 const char *old_name
)
459 if (unlikely(IS_PRIVATE(d_backing_inode(dir
->dentry
))))
461 return call_int_hook(path_symlink
, 0, dir
, dentry
, old_name
);
463 EXPORT_SYMBOL_GPL(security_path_symlink
);
465 int security_path_link(struct dentry
*old_dentry
, const struct path
*new_dir
,
466 struct dentry
*new_dentry
)
468 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry
))))
470 return call_int_hook(path_link
, 0, old_dentry
, new_dir
, new_dentry
);
472 EXPORT_SYMBOL_GPL(security_path_link
);
474 int security_path_rename(const struct path
*old_dir
, struct dentry
*old_dentry
,
475 const struct path
*new_dir
, struct dentry
*new_dentry
,
478 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry
)) ||
479 (d_is_positive(new_dentry
) && IS_PRIVATE(d_backing_inode(new_dentry
)))))
482 if (flags
& RENAME_EXCHANGE
) {
483 int err
= call_int_hook(path_rename
, 0, new_dir
, new_dentry
,
484 old_dir
, old_dentry
);
489 return call_int_hook(path_rename
, 0, old_dir
, old_dentry
, new_dir
,
492 EXPORT_SYMBOL(security_path_rename
);
494 int security_path_truncate(const struct path
*path
)
496 if (unlikely(IS_PRIVATE(d_backing_inode(path
->dentry
))))
498 return call_int_hook(path_truncate
, 0, path
);
500 EXPORT_SYMBOL_GPL(security_path_truncate
);
502 int security_path_chmod(const struct path
*path
, umode_t mode
)
504 if (unlikely(IS_PRIVATE(d_backing_inode(path
->dentry
))))
506 return call_int_hook(path_chmod
, 0, path
, mode
);
508 EXPORT_SYMBOL_GPL(security_path_chmod
);
510 int security_path_chown(const struct path
*path
, kuid_t uid
, kgid_t gid
)
512 if (unlikely(IS_PRIVATE(d_backing_inode(path
->dentry
))))
514 return call_int_hook(path_chown
, 0, path
, uid
, gid
);
516 EXPORT_SYMBOL_GPL(security_path_chown
);
518 int security_path_chroot(const struct path
*path
)
520 return call_int_hook(path_chroot
, 0, path
);
524 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
)
526 if (unlikely(IS_PRIVATE(dir
)))
528 return call_int_hook(inode_create
, 0, dir
, dentry
, mode
);
530 EXPORT_SYMBOL_GPL(security_inode_create
);
532 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
533 struct dentry
*new_dentry
)
535 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry
))))
537 return call_int_hook(inode_link
, 0, old_dentry
, dir
, new_dentry
);
540 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
542 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
544 return call_int_hook(inode_unlink
, 0, dir
, dentry
);
547 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
548 const char *old_name
)
550 if (unlikely(IS_PRIVATE(dir
)))
552 return call_int_hook(inode_symlink
, 0, dir
, dentry
, old_name
);
555 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
)
557 if (unlikely(IS_PRIVATE(dir
)))
559 return call_int_hook(inode_mkdir
, 0, dir
, dentry
, mode
);
561 EXPORT_SYMBOL_GPL(security_inode_mkdir
);
563 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
565 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
567 return call_int_hook(inode_rmdir
, 0, dir
, dentry
);
570 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
, dev_t dev
)
572 if (unlikely(IS_PRIVATE(dir
)))
574 return call_int_hook(inode_mknod
, 0, dir
, dentry
, mode
, dev
);
577 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
578 struct inode
*new_dir
, struct dentry
*new_dentry
,
581 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry
)) ||
582 (d_is_positive(new_dentry
) && IS_PRIVATE(d_backing_inode(new_dentry
)))))
585 if (flags
& RENAME_EXCHANGE
) {
586 int err
= call_int_hook(inode_rename
, 0, new_dir
, new_dentry
,
587 old_dir
, old_dentry
);
592 return call_int_hook(inode_rename
, 0, old_dir
, old_dentry
,
593 new_dir
, new_dentry
);
596 int security_inode_readlink(struct dentry
*dentry
)
598 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
600 return call_int_hook(inode_readlink
, 0, dentry
);
602 EXPORT_SYMBOL_GPL(security_inode_readlink
);
604 int security_inode_follow_link(struct dentry
*dentry
, struct inode
*inode
,
607 if (unlikely(IS_PRIVATE(inode
)))
609 return call_int_hook(inode_follow_link
, 0, dentry
, inode
, rcu
);
612 int security_inode_permission(struct inode
*inode
, int mask
)
614 if (unlikely(IS_PRIVATE(inode
)))
616 return call_int_hook(inode_permission
, 0, inode
, mask
);
618 EXPORT_SYMBOL_GPL(security_inode_permission
);
620 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
624 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
626 ret
= call_int_hook(inode_setattr
, 0, dentry
, attr
);
629 return evm_inode_setattr(dentry
, attr
);
631 EXPORT_SYMBOL_GPL(security_inode_setattr
);
633 int security_inode_getattr(const struct path
*path
)
635 if (unlikely(IS_PRIVATE(d_backing_inode(path
->dentry
))))
637 return call_int_hook(inode_getattr
, 0, path
);
640 int security_inode_setxattr(struct dentry
*dentry
, const char *name
,
641 const void *value
, size_t size
, int flags
)
645 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
648 * SELinux and Smack integrate the cap call,
649 * so assume that all LSMs supplying this call do so.
651 ret
= call_int_hook(inode_setxattr
, 1, dentry
, name
, value
, size
,
655 ret
= cap_inode_setxattr(dentry
, name
, value
, size
, flags
);
658 ret
= ima_inode_setxattr(dentry
, name
, value
, size
);
661 return evm_inode_setxattr(dentry
, name
, value
, size
);
664 void security_inode_post_setxattr(struct dentry
*dentry
, const char *name
,
665 const void *value
, size_t size
, int flags
)
667 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
669 call_void_hook(inode_post_setxattr
, dentry
, name
, value
, size
, flags
);
670 evm_inode_post_setxattr(dentry
, name
, value
, size
);
673 int security_inode_getxattr(struct dentry
*dentry
, const char *name
)
675 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
677 return call_int_hook(inode_getxattr
, 0, dentry
, name
);
680 int security_inode_listxattr(struct dentry
*dentry
)
682 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
684 return call_int_hook(inode_listxattr
, 0, dentry
);
687 int security_inode_removexattr(struct dentry
*dentry
, const char *name
)
691 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
694 * SELinux and Smack integrate the cap call,
695 * so assume that all LSMs supplying this call do so.
697 ret
= call_int_hook(inode_removexattr
, 1, dentry
, name
);
699 ret
= cap_inode_removexattr(dentry
, name
);
702 ret
= ima_inode_removexattr(dentry
, name
);
705 return evm_inode_removexattr(dentry
, name
);
708 int security_inode_need_killpriv(struct dentry
*dentry
)
710 return call_int_hook(inode_need_killpriv
, 0, dentry
);
713 int security_inode_killpriv(struct dentry
*dentry
)
715 return call_int_hook(inode_killpriv
, 0, dentry
);
718 int security_inode_getsecurity(struct inode
*inode
, const char *name
, void **buffer
, bool alloc
)
720 struct security_hook_list
*hp
;
723 if (unlikely(IS_PRIVATE(inode
)))
726 * Only one module will provide an attribute with a given name.
728 list_for_each_entry(hp
, &security_hook_heads
.inode_getsecurity
, list
) {
729 rc
= hp
->hook
.inode_getsecurity(inode
, name
, buffer
, alloc
);
730 if (rc
!= -EOPNOTSUPP
)
736 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
738 struct security_hook_list
*hp
;
741 if (unlikely(IS_PRIVATE(inode
)))
744 * Only one module will provide an attribute with a given name.
746 list_for_each_entry(hp
, &security_hook_heads
.inode_setsecurity
, list
) {
747 rc
= hp
->hook
.inode_setsecurity(inode
, name
, value
, size
,
749 if (rc
!= -EOPNOTSUPP
)
755 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
757 if (unlikely(IS_PRIVATE(inode
)))
759 return call_int_hook(inode_listsecurity
, 0, inode
, buffer
, buffer_size
);
761 EXPORT_SYMBOL(security_inode_listsecurity
);
763 void security_inode_getsecid(struct inode
*inode
, u32
*secid
)
765 call_void_hook(inode_getsecid
, inode
, secid
);
768 int security_inode_copy_up(struct dentry
*src
, struct cred
**new)
770 return call_int_hook(inode_copy_up
, 0, src
, new);
772 EXPORT_SYMBOL(security_inode_copy_up
);
774 int security_inode_copy_up_xattr(const char *name
)
776 return call_int_hook(inode_copy_up_xattr
, -EOPNOTSUPP
, name
);
778 EXPORT_SYMBOL(security_inode_copy_up_xattr
);
780 int security_file_permission(struct file
*file
, int mask
)
784 ret
= call_int_hook(file_permission
, 0, file
, mask
);
788 return fsnotify_perm(file
, mask
);
790 EXPORT_SYMBOL_GPL(security_file_permission
);
792 int security_file_alloc(struct file
*file
)
794 return call_int_hook(file_alloc_security
, 0, file
);
797 void security_file_free(struct file
*file
)
799 call_void_hook(file_free_security
, file
);
802 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
804 return call_int_hook(file_ioctl
, 0, file
, cmd
, arg
);
807 static inline unsigned long mmap_prot(struct file
*file
, unsigned long prot
)
810 * Does we have PROT_READ and does the application expect
811 * it to imply PROT_EXEC? If not, nothing to talk about...
813 if ((prot
& (PROT_READ
| PROT_EXEC
)) != PROT_READ
)
815 if (!(current
->personality
& READ_IMPLIES_EXEC
))
818 * if that's an anonymous mapping, let it.
821 return prot
| PROT_EXEC
;
823 * ditto if it's not on noexec mount, except that on !MMU we need
824 * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
826 if (!path_noexec(&file
->f_path
)) {
828 if (file
->f_op
->mmap_capabilities
) {
829 unsigned caps
= file
->f_op
->mmap_capabilities(file
);
830 if (!(caps
& NOMMU_MAP_EXEC
))
834 return prot
| PROT_EXEC
;
836 /* anything on noexec mount won't get PROT_EXEC */
840 int security_mmap_file(struct file
*file
, unsigned long prot
,
844 ret
= call_int_hook(mmap_file
, 0, file
, prot
,
845 mmap_prot(file
, prot
), flags
);
848 return ima_file_mmap(file
, prot
);
850 EXPORT_SYMBOL_GPL(security_mmap_file
);
852 int security_mmap_addr(unsigned long addr
)
854 return call_int_hook(mmap_addr
, 0, addr
);
857 int security_file_mprotect(struct vm_area_struct
*vma
, unsigned long reqprot
,
860 return call_int_hook(file_mprotect
, 0, vma
, reqprot
, prot
);
863 int security_file_lock(struct file
*file
, unsigned int cmd
)
865 return call_int_hook(file_lock
, 0, file
, cmd
);
868 int security_file_fcntl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
870 return call_int_hook(file_fcntl
, 0, file
, cmd
, arg
);
873 void security_file_set_fowner(struct file
*file
)
875 call_void_hook(file_set_fowner
, file
);
878 int security_file_send_sigiotask(struct task_struct
*tsk
,
879 struct fown_struct
*fown
, int sig
)
881 return call_int_hook(file_send_sigiotask
, 0, tsk
, fown
, sig
);
884 int security_file_receive(struct file
*file
)
886 return call_int_hook(file_receive
, 0, file
);
889 int security_file_open(struct file
*file
, const struct cred
*cred
)
893 ret
= call_int_hook(file_open
, 0, file
, cred
);
897 return fsnotify_perm(file
, MAY_OPEN
);
900 int security_task_create(unsigned long clone_flags
)
902 return call_int_hook(task_create
, 0, clone_flags
);
905 void security_task_free(struct task_struct
*task
)
907 call_void_hook(task_free
, task
);
910 int security_cred_alloc_blank(struct cred
*cred
, gfp_t gfp
)
912 return call_int_hook(cred_alloc_blank
, 0, cred
, gfp
);
915 void security_cred_free(struct cred
*cred
)
917 call_void_hook(cred_free
, cred
);
920 int security_prepare_creds(struct cred
*new, const struct cred
*old
, gfp_t gfp
)
922 return call_int_hook(cred_prepare
, 0, new, old
, gfp
);
925 void security_transfer_creds(struct cred
*new, const struct cred
*old
)
927 call_void_hook(cred_transfer
, new, old
);
930 int security_kernel_act_as(struct cred
*new, u32 secid
)
932 return call_int_hook(kernel_act_as
, 0, new, secid
);
935 int security_kernel_create_files_as(struct cred
*new, struct inode
*inode
)
937 return call_int_hook(kernel_create_files_as
, 0, new, inode
);
940 int security_kernel_module_request(char *kmod_name
)
942 return call_int_hook(kernel_module_request
, 0, kmod_name
);
945 int security_kernel_read_file(struct file
*file
, enum kernel_read_file_id id
)
949 ret
= call_int_hook(kernel_read_file
, 0, file
, id
);
952 return ima_read_file(file
, id
);
954 EXPORT_SYMBOL_GPL(security_kernel_read_file
);
956 int security_kernel_post_read_file(struct file
*file
, char *buf
, loff_t size
,
957 enum kernel_read_file_id id
)
961 ret
= call_int_hook(kernel_post_read_file
, 0, file
, buf
, size
, id
);
964 return ima_post_read_file(file
, buf
, size
, id
);
966 EXPORT_SYMBOL_GPL(security_kernel_post_read_file
);
968 int security_task_fix_setuid(struct cred
*new, const struct cred
*old
,
971 return call_int_hook(task_fix_setuid
, 0, new, old
, flags
);
974 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
976 return call_int_hook(task_setpgid
, 0, p
, pgid
);
979 int security_task_getpgid(struct task_struct
*p
)
981 return call_int_hook(task_getpgid
, 0, p
);
984 int security_task_getsid(struct task_struct
*p
)
986 return call_int_hook(task_getsid
, 0, p
);
989 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
992 call_void_hook(task_getsecid
, p
, secid
);
994 EXPORT_SYMBOL(security_task_getsecid
);
996 int security_task_setnice(struct task_struct
*p
, int nice
)
998 return call_int_hook(task_setnice
, 0, p
, nice
);
1001 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
1003 return call_int_hook(task_setioprio
, 0, p
, ioprio
);
1006 int security_task_getioprio(struct task_struct
*p
)
1008 return call_int_hook(task_getioprio
, 0, p
);
1011 int security_task_setrlimit(struct task_struct
*p
, unsigned int resource
,
1012 struct rlimit
*new_rlim
)
1014 return call_int_hook(task_setrlimit
, 0, p
, resource
, new_rlim
);
1017 int security_task_setscheduler(struct task_struct
*p
)
1019 return call_int_hook(task_setscheduler
, 0, p
);
1022 int security_task_getscheduler(struct task_struct
*p
)
1024 return call_int_hook(task_getscheduler
, 0, p
);
1027 int security_task_movememory(struct task_struct
*p
)
1029 return call_int_hook(task_movememory
, 0, p
);
1032 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
1035 return call_int_hook(task_kill
, 0, p
, info
, sig
, secid
);
1038 int security_task_wait(struct task_struct
*p
)
1040 return call_int_hook(task_wait
, 0, p
);
1043 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
1044 unsigned long arg4
, unsigned long arg5
)
1048 struct security_hook_list
*hp
;
1050 list_for_each_entry(hp
, &security_hook_heads
.task_prctl
, list
) {
1051 thisrc
= hp
->hook
.task_prctl(option
, arg2
, arg3
, arg4
, arg5
);
1052 if (thisrc
!= -ENOSYS
) {
1061 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
1063 call_void_hook(task_to_inode
, p
, inode
);
1066 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
1068 return call_int_hook(ipc_permission
, 0, ipcp
, flag
);
1071 void security_ipc_getsecid(struct kern_ipc_perm
*ipcp
, u32
*secid
)
1074 call_void_hook(ipc_getsecid
, ipcp
, secid
);
1077 int security_msg_msg_alloc(struct msg_msg
*msg
)
1079 return call_int_hook(msg_msg_alloc_security
, 0, msg
);
1082 void security_msg_msg_free(struct msg_msg
*msg
)
1084 call_void_hook(msg_msg_free_security
, msg
);
1087 int security_msg_queue_alloc(struct msg_queue
*msq
)
1089 return call_int_hook(msg_queue_alloc_security
, 0, msq
);
1092 void security_msg_queue_free(struct msg_queue
*msq
)
1094 call_void_hook(msg_queue_free_security
, msq
);
1097 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
1099 return call_int_hook(msg_queue_associate
, 0, msq
, msqflg
);
1102 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
1104 return call_int_hook(msg_queue_msgctl
, 0, msq
, cmd
);
1107 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
1108 struct msg_msg
*msg
, int msqflg
)
1110 return call_int_hook(msg_queue_msgsnd
, 0, msq
, msg
, msqflg
);
1113 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
1114 struct task_struct
*target
, long type
, int mode
)
1116 return call_int_hook(msg_queue_msgrcv
, 0, msq
, msg
, target
, type
, mode
);
1119 int security_shm_alloc(struct shmid_kernel
*shp
)
1121 return call_int_hook(shm_alloc_security
, 0, shp
);
1124 void security_shm_free(struct shmid_kernel
*shp
)
1126 call_void_hook(shm_free_security
, shp
);
1129 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
1131 return call_int_hook(shm_associate
, 0, shp
, shmflg
);
1134 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
1136 return call_int_hook(shm_shmctl
, 0, shp
, cmd
);
1139 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
1141 return call_int_hook(shm_shmat
, 0, shp
, shmaddr
, shmflg
);
1144 int security_sem_alloc(struct sem_array
*sma
)
1146 return call_int_hook(sem_alloc_security
, 0, sma
);
1149 void security_sem_free(struct sem_array
*sma
)
1151 call_void_hook(sem_free_security
, sma
);
1154 int security_sem_associate(struct sem_array
*sma
, int semflg
)
1156 return call_int_hook(sem_associate
, 0, sma
, semflg
);
1159 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
1161 return call_int_hook(sem_semctl
, 0, sma
, cmd
);
1164 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
1165 unsigned nsops
, int alter
)
1167 return call_int_hook(sem_semop
, 0, sma
, sops
, nsops
, alter
);
1170 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
1172 if (unlikely(inode
&& IS_PRIVATE(inode
)))
1174 call_void_hook(d_instantiate
, dentry
, inode
);
1176 EXPORT_SYMBOL(security_d_instantiate
);
1178 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
1180 return call_int_hook(getprocattr
, -EINVAL
, p
, name
, value
);
1183 int security_setprocattr(struct task_struct
*p
, char *name
, void *value
, size_t size
)
1185 return call_int_hook(setprocattr
, -EINVAL
, p
, name
, value
, size
);
1188 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
1190 return call_int_hook(netlink_send
, 0, sk
, skb
);
1193 int security_ismaclabel(const char *name
)
1195 return call_int_hook(ismaclabel
, 0, name
);
1197 EXPORT_SYMBOL(security_ismaclabel
);
1199 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
1201 return call_int_hook(secid_to_secctx
, -EOPNOTSUPP
, secid
, secdata
,
1204 EXPORT_SYMBOL(security_secid_to_secctx
);
1206 int security_secctx_to_secid(const char *secdata
, u32 seclen
, u32
*secid
)
1209 return call_int_hook(secctx_to_secid
, 0, secdata
, seclen
, secid
);
1211 EXPORT_SYMBOL(security_secctx_to_secid
);
1213 void security_release_secctx(char *secdata
, u32 seclen
)
1215 call_void_hook(release_secctx
, secdata
, seclen
);
1217 EXPORT_SYMBOL(security_release_secctx
);
1219 void security_inode_invalidate_secctx(struct inode
*inode
)
1221 call_void_hook(inode_invalidate_secctx
, inode
);
1223 EXPORT_SYMBOL(security_inode_invalidate_secctx
);
1225 int security_inode_notifysecctx(struct inode
*inode
, void *ctx
, u32 ctxlen
)
1227 return call_int_hook(inode_notifysecctx
, 0, inode
, ctx
, ctxlen
);
1229 EXPORT_SYMBOL(security_inode_notifysecctx
);
1231 int security_inode_setsecctx(struct dentry
*dentry
, void *ctx
, u32 ctxlen
)
1233 return call_int_hook(inode_setsecctx
, 0, dentry
, ctx
, ctxlen
);
1235 EXPORT_SYMBOL(security_inode_setsecctx
);
1237 int security_inode_getsecctx(struct inode
*inode
, void **ctx
, u32
*ctxlen
)
1239 return call_int_hook(inode_getsecctx
, -EOPNOTSUPP
, inode
, ctx
, ctxlen
);
1241 EXPORT_SYMBOL(security_inode_getsecctx
);
1243 #ifdef CONFIG_SECURITY_NETWORK
1245 int security_unix_stream_connect(struct sock
*sock
, struct sock
*other
, struct sock
*newsk
)
1247 return call_int_hook(unix_stream_connect
, 0, sock
, other
, newsk
);
1249 EXPORT_SYMBOL(security_unix_stream_connect
);
1251 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
1253 return call_int_hook(unix_may_send
, 0, sock
, other
);
1255 EXPORT_SYMBOL(security_unix_may_send
);
1257 int security_socket_create(int family
, int type
, int protocol
, int kern
)
1259 return call_int_hook(socket_create
, 0, family
, type
, protocol
, kern
);
1262 int security_socket_post_create(struct socket
*sock
, int family
,
1263 int type
, int protocol
, int kern
)
1265 return call_int_hook(socket_post_create
, 0, sock
, family
, type
,
1269 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1271 return call_int_hook(socket_bind
, 0, sock
, address
, addrlen
);
1274 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1276 return call_int_hook(socket_connect
, 0, sock
, address
, addrlen
);
1279 int security_socket_listen(struct socket
*sock
, int backlog
)
1281 return call_int_hook(socket_listen
, 0, sock
, backlog
);
1284 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
1286 return call_int_hook(socket_accept
, 0, sock
, newsock
);
1289 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
1291 return call_int_hook(socket_sendmsg
, 0, sock
, msg
, size
);
1294 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
1295 int size
, int flags
)
1297 return call_int_hook(socket_recvmsg
, 0, sock
, msg
, size
, flags
);
1300 int security_socket_getsockname(struct socket
*sock
)
1302 return call_int_hook(socket_getsockname
, 0, sock
);
1305 int security_socket_getpeername(struct socket
*sock
)
1307 return call_int_hook(socket_getpeername
, 0, sock
);
1310 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
1312 return call_int_hook(socket_getsockopt
, 0, sock
, level
, optname
);
1315 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
1317 return call_int_hook(socket_setsockopt
, 0, sock
, level
, optname
);
1320 int security_socket_shutdown(struct socket
*sock
, int how
)
1322 return call_int_hook(socket_shutdown
, 0, sock
, how
);
1325 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
1327 return call_int_hook(socket_sock_rcv_skb
, 0, sk
, skb
);
1329 EXPORT_SYMBOL(security_sock_rcv_skb
);
1331 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
1332 int __user
*optlen
, unsigned len
)
1334 return call_int_hook(socket_getpeersec_stream
, -ENOPROTOOPT
, sock
,
1335 optval
, optlen
, len
);
1338 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
1340 return call_int_hook(socket_getpeersec_dgram
, -ENOPROTOOPT
, sock
,
1343 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
1345 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
1347 return call_int_hook(sk_alloc_security
, 0, sk
, family
, priority
);
1350 void security_sk_free(struct sock
*sk
)
1352 call_void_hook(sk_free_security
, sk
);
1355 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
1357 call_void_hook(sk_clone_security
, sk
, newsk
);
1359 EXPORT_SYMBOL(security_sk_clone
);
1361 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
1363 call_void_hook(sk_getsecid
, sk
, &fl
->flowi_secid
);
1365 EXPORT_SYMBOL(security_sk_classify_flow
);
1367 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
1369 call_void_hook(req_classify_flow
, req
, fl
);
1371 EXPORT_SYMBOL(security_req_classify_flow
);
1373 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
1375 call_void_hook(sock_graft
, sk
, parent
);
1377 EXPORT_SYMBOL(security_sock_graft
);
1379 int security_inet_conn_request(struct sock
*sk
,
1380 struct sk_buff
*skb
, struct request_sock
*req
)
1382 return call_int_hook(inet_conn_request
, 0, sk
, skb
, req
);
1384 EXPORT_SYMBOL(security_inet_conn_request
);
1386 void security_inet_csk_clone(struct sock
*newsk
,
1387 const struct request_sock
*req
)
1389 call_void_hook(inet_csk_clone
, newsk
, req
);
1392 void security_inet_conn_established(struct sock
*sk
,
1393 struct sk_buff
*skb
)
1395 call_void_hook(inet_conn_established
, sk
, skb
);
1398 int security_secmark_relabel_packet(u32 secid
)
1400 return call_int_hook(secmark_relabel_packet
, 0, secid
);
1402 EXPORT_SYMBOL(security_secmark_relabel_packet
);
1404 void security_secmark_refcount_inc(void)
1406 call_void_hook(secmark_refcount_inc
);
1408 EXPORT_SYMBOL(security_secmark_refcount_inc
);
1410 void security_secmark_refcount_dec(void)
1412 call_void_hook(secmark_refcount_dec
);
1414 EXPORT_SYMBOL(security_secmark_refcount_dec
);
1416 int security_tun_dev_alloc_security(void **security
)
1418 return call_int_hook(tun_dev_alloc_security
, 0, security
);
1420 EXPORT_SYMBOL(security_tun_dev_alloc_security
);
1422 void security_tun_dev_free_security(void *security
)
1424 call_void_hook(tun_dev_free_security
, security
);
1426 EXPORT_SYMBOL(security_tun_dev_free_security
);
1428 int security_tun_dev_create(void)
1430 return call_int_hook(tun_dev_create
, 0);
1432 EXPORT_SYMBOL(security_tun_dev_create
);
1434 int security_tun_dev_attach_queue(void *security
)
1436 return call_int_hook(tun_dev_attach_queue
, 0, security
);
1438 EXPORT_SYMBOL(security_tun_dev_attach_queue
);
1440 int security_tun_dev_attach(struct sock
*sk
, void *security
)
1442 return call_int_hook(tun_dev_attach
, 0, sk
, security
);
1444 EXPORT_SYMBOL(security_tun_dev_attach
);
1446 int security_tun_dev_open(void *security
)
1448 return call_int_hook(tun_dev_open
, 0, security
);
1450 EXPORT_SYMBOL(security_tun_dev_open
);
1452 #endif /* CONFIG_SECURITY_NETWORK */
1454 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1456 int security_xfrm_policy_alloc(struct xfrm_sec_ctx
**ctxp
,
1457 struct xfrm_user_sec_ctx
*sec_ctx
,
1460 return call_int_hook(xfrm_policy_alloc_security
, 0, ctxp
, sec_ctx
, gfp
);
1462 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1464 int security_xfrm_policy_clone(struct xfrm_sec_ctx
*old_ctx
,
1465 struct xfrm_sec_ctx
**new_ctxp
)
1467 return call_int_hook(xfrm_policy_clone_security
, 0, old_ctx
, new_ctxp
);
1470 void security_xfrm_policy_free(struct xfrm_sec_ctx
*ctx
)
1472 call_void_hook(xfrm_policy_free_security
, ctx
);
1474 EXPORT_SYMBOL(security_xfrm_policy_free
);
1476 int security_xfrm_policy_delete(struct xfrm_sec_ctx
*ctx
)
1478 return call_int_hook(xfrm_policy_delete_security
, 0, ctx
);
1481 int security_xfrm_state_alloc(struct xfrm_state
*x
,
1482 struct xfrm_user_sec_ctx
*sec_ctx
)
1484 return call_int_hook(xfrm_state_alloc
, 0, x
, sec_ctx
);
1486 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1488 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1489 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1491 return call_int_hook(xfrm_state_alloc_acquire
, 0, x
, polsec
, secid
);
1494 int security_xfrm_state_delete(struct xfrm_state
*x
)
1496 return call_int_hook(xfrm_state_delete_security
, 0, x
);
1498 EXPORT_SYMBOL(security_xfrm_state_delete
);
1500 void security_xfrm_state_free(struct xfrm_state
*x
)
1502 call_void_hook(xfrm_state_free_security
, x
);
1505 int security_xfrm_policy_lookup(struct xfrm_sec_ctx
*ctx
, u32 fl_secid
, u8 dir
)
1507 return call_int_hook(xfrm_policy_lookup
, 0, ctx
, fl_secid
, dir
);
1510 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1511 struct xfrm_policy
*xp
,
1512 const struct flowi
*fl
)
1514 struct security_hook_list
*hp
;
1518 * Since this function is expected to return 0 or 1, the judgment
1519 * becomes difficult if multiple LSMs supply this call. Fortunately,
1520 * we can use the first LSM's judgment because currently only SELinux
1521 * supplies this call.
1523 * For speed optimization, we explicitly break the loop rather than
1526 list_for_each_entry(hp
, &security_hook_heads
.xfrm_state_pol_flow_match
,
1528 rc
= hp
->hook
.xfrm_state_pol_flow_match(x
, xp
, fl
);
1534 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1536 return call_int_hook(xfrm_decode_session
, 0, skb
, secid
, 1);
1539 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1541 int rc
= call_int_hook(xfrm_decode_session
, 0, skb
, &fl
->flowi_secid
,
1546 EXPORT_SYMBOL(security_skb_classify_flow
);
1548 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1552 int security_key_alloc(struct key
*key
, const struct cred
*cred
,
1553 unsigned long flags
)
1555 return call_int_hook(key_alloc
, 0, key
, cred
, flags
);
1558 void security_key_free(struct key
*key
)
1560 call_void_hook(key_free
, key
);
1563 int security_key_permission(key_ref_t key_ref
,
1564 const struct cred
*cred
, unsigned perm
)
1566 return call_int_hook(key_permission
, 0, key_ref
, cred
, perm
);
1569 int security_key_getsecurity(struct key
*key
, char **_buffer
)
1572 return call_int_hook(key_getsecurity
, 0, key
, _buffer
);
1575 #endif /* CONFIG_KEYS */
1579 int security_audit_rule_init(u32 field
, u32 op
, char *rulestr
, void **lsmrule
)
1581 return call_int_hook(audit_rule_init
, 0, field
, op
, rulestr
, lsmrule
);
1584 int security_audit_rule_known(struct audit_krule
*krule
)
1586 return call_int_hook(audit_rule_known
, 0, krule
);
1589 void security_audit_rule_free(void *lsmrule
)
1591 call_void_hook(audit_rule_free
, lsmrule
);
1594 int security_audit_rule_match(u32 secid
, u32 field
, u32 op
, void *lsmrule
,
1595 struct audit_context
*actx
)
1597 return call_int_hook(audit_rule_match
, 0, secid
, field
, op
, lsmrule
,
1600 #endif /* CONFIG_AUDIT */
1602 struct security_hook_heads security_hook_heads
= {
1603 .binder_set_context_mgr
=
1604 LIST_HEAD_INIT(security_hook_heads
.binder_set_context_mgr
),
1605 .binder_transaction
=
1606 LIST_HEAD_INIT(security_hook_heads
.binder_transaction
),
1607 .binder_transfer_binder
=
1608 LIST_HEAD_INIT(security_hook_heads
.binder_transfer_binder
),
1609 .binder_transfer_file
=
1610 LIST_HEAD_INIT(security_hook_heads
.binder_transfer_file
),
1612 .ptrace_access_check
=
1613 LIST_HEAD_INIT(security_hook_heads
.ptrace_access_check
),
1615 LIST_HEAD_INIT(security_hook_heads
.ptrace_traceme
),
1616 .capget
= LIST_HEAD_INIT(security_hook_heads
.capget
),
1617 .capset
= LIST_HEAD_INIT(security_hook_heads
.capset
),
1618 .capable
= LIST_HEAD_INIT(security_hook_heads
.capable
),
1619 .quotactl
= LIST_HEAD_INIT(security_hook_heads
.quotactl
),
1620 .quota_on
= LIST_HEAD_INIT(security_hook_heads
.quota_on
),
1621 .syslog
= LIST_HEAD_INIT(security_hook_heads
.syslog
),
1622 .settime
= LIST_HEAD_INIT(security_hook_heads
.settime
),
1624 LIST_HEAD_INIT(security_hook_heads
.vm_enough_memory
),
1626 LIST_HEAD_INIT(security_hook_heads
.bprm_set_creds
),
1627 .bprm_check_security
=
1628 LIST_HEAD_INIT(security_hook_heads
.bprm_check_security
),
1630 LIST_HEAD_INIT(security_hook_heads
.bprm_secureexec
),
1631 .bprm_committing_creds
=
1632 LIST_HEAD_INIT(security_hook_heads
.bprm_committing_creds
),
1633 .bprm_committed_creds
=
1634 LIST_HEAD_INIT(security_hook_heads
.bprm_committed_creds
),
1635 .sb_alloc_security
=
1636 LIST_HEAD_INIT(security_hook_heads
.sb_alloc_security
),
1638 LIST_HEAD_INIT(security_hook_heads
.sb_free_security
),
1639 .sb_copy_data
= LIST_HEAD_INIT(security_hook_heads
.sb_copy_data
),
1640 .sb_remount
= LIST_HEAD_INIT(security_hook_heads
.sb_remount
),
1642 LIST_HEAD_INIT(security_hook_heads
.sb_kern_mount
),
1644 LIST_HEAD_INIT(security_hook_heads
.sb_show_options
),
1645 .sb_statfs
= LIST_HEAD_INIT(security_hook_heads
.sb_statfs
),
1646 .sb_mount
= LIST_HEAD_INIT(security_hook_heads
.sb_mount
),
1647 .sb_umount
= LIST_HEAD_INIT(security_hook_heads
.sb_umount
),
1648 .sb_pivotroot
= LIST_HEAD_INIT(security_hook_heads
.sb_pivotroot
),
1650 LIST_HEAD_INIT(security_hook_heads
.sb_set_mnt_opts
),
1651 .sb_clone_mnt_opts
=
1652 LIST_HEAD_INIT(security_hook_heads
.sb_clone_mnt_opts
),
1653 .sb_parse_opts_str
=
1654 LIST_HEAD_INIT(security_hook_heads
.sb_parse_opts_str
),
1655 .dentry_init_security
=
1656 LIST_HEAD_INIT(security_hook_heads
.dentry_init_security
),
1657 .dentry_create_files_as
=
1658 LIST_HEAD_INIT(security_hook_heads
.dentry_create_files_as
),
1659 #ifdef CONFIG_SECURITY_PATH
1660 .path_unlink
= LIST_HEAD_INIT(security_hook_heads
.path_unlink
),
1661 .path_mkdir
= LIST_HEAD_INIT(security_hook_heads
.path_mkdir
),
1662 .path_rmdir
= LIST_HEAD_INIT(security_hook_heads
.path_rmdir
),
1663 .path_mknod
= LIST_HEAD_INIT(security_hook_heads
.path_mknod
),
1665 LIST_HEAD_INIT(security_hook_heads
.path_truncate
),
1666 .path_symlink
= LIST_HEAD_INIT(security_hook_heads
.path_symlink
),
1667 .path_link
= LIST_HEAD_INIT(security_hook_heads
.path_link
),
1668 .path_rename
= LIST_HEAD_INIT(security_hook_heads
.path_rename
),
1669 .path_chmod
= LIST_HEAD_INIT(security_hook_heads
.path_chmod
),
1670 .path_chown
= LIST_HEAD_INIT(security_hook_heads
.path_chown
),
1671 .path_chroot
= LIST_HEAD_INIT(security_hook_heads
.path_chroot
),
1673 .inode_alloc_security
=
1674 LIST_HEAD_INIT(security_hook_heads
.inode_alloc_security
),
1675 .inode_free_security
=
1676 LIST_HEAD_INIT(security_hook_heads
.inode_free_security
),
1677 .inode_init_security
=
1678 LIST_HEAD_INIT(security_hook_heads
.inode_init_security
),
1679 .inode_create
= LIST_HEAD_INIT(security_hook_heads
.inode_create
),
1680 .inode_link
= LIST_HEAD_INIT(security_hook_heads
.inode_link
),
1681 .inode_unlink
= LIST_HEAD_INIT(security_hook_heads
.inode_unlink
),
1683 LIST_HEAD_INIT(security_hook_heads
.inode_symlink
),
1684 .inode_mkdir
= LIST_HEAD_INIT(security_hook_heads
.inode_mkdir
),
1685 .inode_rmdir
= LIST_HEAD_INIT(security_hook_heads
.inode_rmdir
),
1686 .inode_mknod
= LIST_HEAD_INIT(security_hook_heads
.inode_mknod
),
1687 .inode_rename
= LIST_HEAD_INIT(security_hook_heads
.inode_rename
),
1689 LIST_HEAD_INIT(security_hook_heads
.inode_readlink
),
1690 .inode_follow_link
=
1691 LIST_HEAD_INIT(security_hook_heads
.inode_follow_link
),
1693 LIST_HEAD_INIT(security_hook_heads
.inode_permission
),
1695 LIST_HEAD_INIT(security_hook_heads
.inode_setattr
),
1697 LIST_HEAD_INIT(security_hook_heads
.inode_getattr
),
1699 LIST_HEAD_INIT(security_hook_heads
.inode_setxattr
),
1700 .inode_post_setxattr
=
1701 LIST_HEAD_INIT(security_hook_heads
.inode_post_setxattr
),
1703 LIST_HEAD_INIT(security_hook_heads
.inode_getxattr
),
1705 LIST_HEAD_INIT(security_hook_heads
.inode_listxattr
),
1706 .inode_removexattr
=
1707 LIST_HEAD_INIT(security_hook_heads
.inode_removexattr
),
1708 .inode_need_killpriv
=
1709 LIST_HEAD_INIT(security_hook_heads
.inode_need_killpriv
),
1711 LIST_HEAD_INIT(security_hook_heads
.inode_killpriv
),
1712 .inode_getsecurity
=
1713 LIST_HEAD_INIT(security_hook_heads
.inode_getsecurity
),
1714 .inode_setsecurity
=
1715 LIST_HEAD_INIT(security_hook_heads
.inode_setsecurity
),
1716 .inode_listsecurity
=
1717 LIST_HEAD_INIT(security_hook_heads
.inode_listsecurity
),
1719 LIST_HEAD_INIT(security_hook_heads
.inode_getsecid
),
1721 LIST_HEAD_INIT(security_hook_heads
.inode_copy_up
),
1722 .inode_copy_up_xattr
=
1723 LIST_HEAD_INIT(security_hook_heads
.inode_copy_up_xattr
),
1725 LIST_HEAD_INIT(security_hook_heads
.file_permission
),
1726 .file_alloc_security
=
1727 LIST_HEAD_INIT(security_hook_heads
.file_alloc_security
),
1728 .file_free_security
=
1729 LIST_HEAD_INIT(security_hook_heads
.file_free_security
),
1730 .file_ioctl
= LIST_HEAD_INIT(security_hook_heads
.file_ioctl
),
1731 .mmap_addr
= LIST_HEAD_INIT(security_hook_heads
.mmap_addr
),
1732 .mmap_file
= LIST_HEAD_INIT(security_hook_heads
.mmap_file
),
1734 LIST_HEAD_INIT(security_hook_heads
.file_mprotect
),
1735 .file_lock
= LIST_HEAD_INIT(security_hook_heads
.file_lock
),
1736 .file_fcntl
= LIST_HEAD_INIT(security_hook_heads
.file_fcntl
),
1738 LIST_HEAD_INIT(security_hook_heads
.file_set_fowner
),
1739 .file_send_sigiotask
=
1740 LIST_HEAD_INIT(security_hook_heads
.file_send_sigiotask
),
1741 .file_receive
= LIST_HEAD_INIT(security_hook_heads
.file_receive
),
1742 .file_open
= LIST_HEAD_INIT(security_hook_heads
.file_open
),
1743 .task_create
= LIST_HEAD_INIT(security_hook_heads
.task_create
),
1744 .task_free
= LIST_HEAD_INIT(security_hook_heads
.task_free
),
1746 LIST_HEAD_INIT(security_hook_heads
.cred_alloc_blank
),
1747 .cred_free
= LIST_HEAD_INIT(security_hook_heads
.cred_free
),
1748 .cred_prepare
= LIST_HEAD_INIT(security_hook_heads
.cred_prepare
),
1750 LIST_HEAD_INIT(security_hook_heads
.cred_transfer
),
1752 LIST_HEAD_INIT(security_hook_heads
.kernel_act_as
),
1753 .kernel_create_files_as
=
1754 LIST_HEAD_INIT(security_hook_heads
.kernel_create_files_as
),
1755 .kernel_module_request
=
1756 LIST_HEAD_INIT(security_hook_heads
.kernel_module_request
),
1758 LIST_HEAD_INIT(security_hook_heads
.kernel_read_file
),
1759 .kernel_post_read_file
=
1760 LIST_HEAD_INIT(security_hook_heads
.kernel_post_read_file
),
1762 LIST_HEAD_INIT(security_hook_heads
.task_fix_setuid
),
1763 .task_setpgid
= LIST_HEAD_INIT(security_hook_heads
.task_setpgid
),
1764 .task_getpgid
= LIST_HEAD_INIT(security_hook_heads
.task_getpgid
),
1765 .task_getsid
= LIST_HEAD_INIT(security_hook_heads
.task_getsid
),
1767 LIST_HEAD_INIT(security_hook_heads
.task_getsecid
),
1768 .task_setnice
= LIST_HEAD_INIT(security_hook_heads
.task_setnice
),
1770 LIST_HEAD_INIT(security_hook_heads
.task_setioprio
),
1772 LIST_HEAD_INIT(security_hook_heads
.task_getioprio
),
1774 LIST_HEAD_INIT(security_hook_heads
.task_setrlimit
),
1775 .task_setscheduler
=
1776 LIST_HEAD_INIT(security_hook_heads
.task_setscheduler
),
1777 .task_getscheduler
=
1778 LIST_HEAD_INIT(security_hook_heads
.task_getscheduler
),
1780 LIST_HEAD_INIT(security_hook_heads
.task_movememory
),
1781 .task_kill
= LIST_HEAD_INIT(security_hook_heads
.task_kill
),
1782 .task_wait
= LIST_HEAD_INIT(security_hook_heads
.task_wait
),
1783 .task_prctl
= LIST_HEAD_INIT(security_hook_heads
.task_prctl
),
1785 LIST_HEAD_INIT(security_hook_heads
.task_to_inode
),
1787 LIST_HEAD_INIT(security_hook_heads
.ipc_permission
),
1788 .ipc_getsecid
= LIST_HEAD_INIT(security_hook_heads
.ipc_getsecid
),
1789 .msg_msg_alloc_security
=
1790 LIST_HEAD_INIT(security_hook_heads
.msg_msg_alloc_security
),
1791 .msg_msg_free_security
=
1792 LIST_HEAD_INIT(security_hook_heads
.msg_msg_free_security
),
1793 .msg_queue_alloc_security
=
1794 LIST_HEAD_INIT(security_hook_heads
.msg_queue_alloc_security
),
1795 .msg_queue_free_security
=
1796 LIST_HEAD_INIT(security_hook_heads
.msg_queue_free_security
),
1797 .msg_queue_associate
=
1798 LIST_HEAD_INIT(security_hook_heads
.msg_queue_associate
),
1800 LIST_HEAD_INIT(security_hook_heads
.msg_queue_msgctl
),
1802 LIST_HEAD_INIT(security_hook_heads
.msg_queue_msgsnd
),
1804 LIST_HEAD_INIT(security_hook_heads
.msg_queue_msgrcv
),
1805 .shm_alloc_security
=
1806 LIST_HEAD_INIT(security_hook_heads
.shm_alloc_security
),
1807 .shm_free_security
=
1808 LIST_HEAD_INIT(security_hook_heads
.shm_free_security
),
1810 LIST_HEAD_INIT(security_hook_heads
.shm_associate
),
1811 .shm_shmctl
= LIST_HEAD_INIT(security_hook_heads
.shm_shmctl
),
1812 .shm_shmat
= LIST_HEAD_INIT(security_hook_heads
.shm_shmat
),
1813 .sem_alloc_security
=
1814 LIST_HEAD_INIT(security_hook_heads
.sem_alloc_security
),
1815 .sem_free_security
=
1816 LIST_HEAD_INIT(security_hook_heads
.sem_free_security
),
1818 LIST_HEAD_INIT(security_hook_heads
.sem_associate
),
1819 .sem_semctl
= LIST_HEAD_INIT(security_hook_heads
.sem_semctl
),
1820 .sem_semop
= LIST_HEAD_INIT(security_hook_heads
.sem_semop
),
1821 .netlink_send
= LIST_HEAD_INIT(security_hook_heads
.netlink_send
),
1823 LIST_HEAD_INIT(security_hook_heads
.d_instantiate
),
1824 .getprocattr
= LIST_HEAD_INIT(security_hook_heads
.getprocattr
),
1825 .setprocattr
= LIST_HEAD_INIT(security_hook_heads
.setprocattr
),
1826 .ismaclabel
= LIST_HEAD_INIT(security_hook_heads
.ismaclabel
),
1828 LIST_HEAD_INIT(security_hook_heads
.secid_to_secctx
),
1830 LIST_HEAD_INIT(security_hook_heads
.secctx_to_secid
),
1832 LIST_HEAD_INIT(security_hook_heads
.release_secctx
),
1833 .inode_invalidate_secctx
=
1834 LIST_HEAD_INIT(security_hook_heads
.inode_invalidate_secctx
),
1835 .inode_notifysecctx
=
1836 LIST_HEAD_INIT(security_hook_heads
.inode_notifysecctx
),
1838 LIST_HEAD_INIT(security_hook_heads
.inode_setsecctx
),
1840 LIST_HEAD_INIT(security_hook_heads
.inode_getsecctx
),
1841 #ifdef CONFIG_SECURITY_NETWORK
1842 .unix_stream_connect
=
1843 LIST_HEAD_INIT(security_hook_heads
.unix_stream_connect
),
1845 LIST_HEAD_INIT(security_hook_heads
.unix_may_send
),
1847 LIST_HEAD_INIT(security_hook_heads
.socket_create
),
1848 .socket_post_create
=
1849 LIST_HEAD_INIT(security_hook_heads
.socket_post_create
),
1850 .socket_bind
= LIST_HEAD_INIT(security_hook_heads
.socket_bind
),
1852 LIST_HEAD_INIT(security_hook_heads
.socket_connect
),
1854 LIST_HEAD_INIT(security_hook_heads
.socket_listen
),
1856 LIST_HEAD_INIT(security_hook_heads
.socket_accept
),
1858 LIST_HEAD_INIT(security_hook_heads
.socket_sendmsg
),
1860 LIST_HEAD_INIT(security_hook_heads
.socket_recvmsg
),
1861 .socket_getsockname
=
1862 LIST_HEAD_INIT(security_hook_heads
.socket_getsockname
),
1863 .socket_getpeername
=
1864 LIST_HEAD_INIT(security_hook_heads
.socket_getpeername
),
1865 .socket_getsockopt
=
1866 LIST_HEAD_INIT(security_hook_heads
.socket_getsockopt
),
1867 .socket_setsockopt
=
1868 LIST_HEAD_INIT(security_hook_heads
.socket_setsockopt
),
1870 LIST_HEAD_INIT(security_hook_heads
.socket_shutdown
),
1871 .socket_sock_rcv_skb
=
1872 LIST_HEAD_INIT(security_hook_heads
.socket_sock_rcv_skb
),
1873 .socket_getpeersec_stream
=
1874 LIST_HEAD_INIT(security_hook_heads
.socket_getpeersec_stream
),
1875 .socket_getpeersec_dgram
=
1876 LIST_HEAD_INIT(security_hook_heads
.socket_getpeersec_dgram
),
1877 .sk_alloc_security
=
1878 LIST_HEAD_INIT(security_hook_heads
.sk_alloc_security
),
1880 LIST_HEAD_INIT(security_hook_heads
.sk_free_security
),
1881 .sk_clone_security
=
1882 LIST_HEAD_INIT(security_hook_heads
.sk_clone_security
),
1883 .sk_getsecid
= LIST_HEAD_INIT(security_hook_heads
.sk_getsecid
),
1884 .sock_graft
= LIST_HEAD_INIT(security_hook_heads
.sock_graft
),
1885 .inet_conn_request
=
1886 LIST_HEAD_INIT(security_hook_heads
.inet_conn_request
),
1888 LIST_HEAD_INIT(security_hook_heads
.inet_csk_clone
),
1889 .inet_conn_established
=
1890 LIST_HEAD_INIT(security_hook_heads
.inet_conn_established
),
1891 .secmark_relabel_packet
=
1892 LIST_HEAD_INIT(security_hook_heads
.secmark_relabel_packet
),
1893 .secmark_refcount_inc
=
1894 LIST_HEAD_INIT(security_hook_heads
.secmark_refcount_inc
),
1895 .secmark_refcount_dec
=
1896 LIST_HEAD_INIT(security_hook_heads
.secmark_refcount_dec
),
1897 .req_classify_flow
=
1898 LIST_HEAD_INIT(security_hook_heads
.req_classify_flow
),
1899 .tun_dev_alloc_security
=
1900 LIST_HEAD_INIT(security_hook_heads
.tun_dev_alloc_security
),
1901 .tun_dev_free_security
=
1902 LIST_HEAD_INIT(security_hook_heads
.tun_dev_free_security
),
1904 LIST_HEAD_INIT(security_hook_heads
.tun_dev_create
),
1905 .tun_dev_attach_queue
=
1906 LIST_HEAD_INIT(security_hook_heads
.tun_dev_attach_queue
),
1908 LIST_HEAD_INIT(security_hook_heads
.tun_dev_attach
),
1909 .tun_dev_open
= LIST_HEAD_INIT(security_hook_heads
.tun_dev_open
),
1910 #endif /* CONFIG_SECURITY_NETWORK */
1911 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1912 .xfrm_policy_alloc_security
=
1913 LIST_HEAD_INIT(security_hook_heads
.xfrm_policy_alloc_security
),
1914 .xfrm_policy_clone_security
=
1915 LIST_HEAD_INIT(security_hook_heads
.xfrm_policy_clone_security
),
1916 .xfrm_policy_free_security
=
1917 LIST_HEAD_INIT(security_hook_heads
.xfrm_policy_free_security
),
1918 .xfrm_policy_delete_security
=
1919 LIST_HEAD_INIT(security_hook_heads
.xfrm_policy_delete_security
),
1921 LIST_HEAD_INIT(security_hook_heads
.xfrm_state_alloc
),
1922 .xfrm_state_alloc_acquire
=
1923 LIST_HEAD_INIT(security_hook_heads
.xfrm_state_alloc_acquire
),
1924 .xfrm_state_free_security
=
1925 LIST_HEAD_INIT(security_hook_heads
.xfrm_state_free_security
),
1926 .xfrm_state_delete_security
=
1927 LIST_HEAD_INIT(security_hook_heads
.xfrm_state_delete_security
),
1928 .xfrm_policy_lookup
=
1929 LIST_HEAD_INIT(security_hook_heads
.xfrm_policy_lookup
),
1930 .xfrm_state_pol_flow_match
=
1931 LIST_HEAD_INIT(security_hook_heads
.xfrm_state_pol_flow_match
),
1932 .xfrm_decode_session
=
1933 LIST_HEAD_INIT(security_hook_heads
.xfrm_decode_session
),
1934 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1936 .key_alloc
= LIST_HEAD_INIT(security_hook_heads
.key_alloc
),
1937 .key_free
= LIST_HEAD_INIT(security_hook_heads
.key_free
),
1939 LIST_HEAD_INIT(security_hook_heads
.key_permission
),
1941 LIST_HEAD_INIT(security_hook_heads
.key_getsecurity
),
1942 #endif /* CONFIG_KEYS */
1945 LIST_HEAD_INIT(security_hook_heads
.audit_rule_init
),
1947 LIST_HEAD_INIT(security_hook_heads
.audit_rule_known
),
1949 LIST_HEAD_INIT(security_hook_heads
.audit_rule_match
),
1951 LIST_HEAD_INIT(security_hook_heads
.audit_rule_free
),
1952 #endif /* CONFIG_AUDIT */