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
36 /* Boot-time LSM user choice */
37 static __initdata
char chosen_lsm
[SECURITY_NAME_MAX
+ 1] =
38 CONFIG_DEFAULT_SECURITY
;
40 static void __init
do_security_initcalls(void)
43 call
= __security_initcall_start
;
44 while (call
< __security_initcall_end
) {
51 * security_init - initializes the security framework
53 * This should be called early in the kernel initialization sequence.
55 int __init
security_init(void)
57 pr_info("Security Framework initialized\n");
60 * Load minor LSMs, with the capability module always first.
62 capability_add_hooks();
67 * Load all the remaining security modules.
69 do_security_initcalls();
74 /* Save user chosen LSM */
75 static int __init
choose_lsm(char *str
)
77 strncpy(chosen_lsm
, str
, SECURITY_NAME_MAX
);
80 __setup("security=", choose_lsm
);
82 static int lsm_append(char *new, char **result
)
86 if (*result
== NULL
) {
87 *result
= kstrdup(new, GFP_KERNEL
);
89 cp
= kasprintf(GFP_KERNEL
, "%s,%s", *result
, new);
99 * security_module_enable - Load given security module on boot ?
100 * @module: the name of the module
102 * Each LSM must pass this method before registering its own operations
103 * to avoid security registration races. This method may also be used
104 * to check if your LSM is currently loaded during kernel initialization.
110 * - The passed LSM is the one chosen by user at boot time,
111 * - or the passed LSM is configured as the default and the user did not
112 * choose an alternate LSM at boot time.
114 * Otherwise, return false.
116 int __init
security_module_enable(const char *module
)
118 return !strcmp(module
, chosen_lsm
);
122 * security_add_hooks - Add a modules hooks to the hook lists.
123 * @hooks: the hooks to add
124 * @count: the number of hooks to add
125 * @lsm: the name of the security module
127 * Each LSM has to register its hooks with the infrastructure.
129 void __init
security_add_hooks(struct security_hook_list
*hooks
, int count
,
134 for (i
= 0; i
< count
; i
++) {
136 list_add_tail_rcu(&hooks
[i
].list
, hooks
[i
].head
);
138 if (lsm_append(lsm
, &lsm_names
) < 0)
139 panic("%s - Cannot get early memory.\n", __func__
);
143 * Hook list operation macros.
146 * This is a hook that does not return a value.
149 * This is a hook that returns a value.
152 #define call_void_hook(FUNC, ...) \
154 struct security_hook_list *P; \
156 list_for_each_entry(P, &security_hook_heads.FUNC, list) \
157 P->hook.FUNC(__VA_ARGS__); \
160 #define call_int_hook(FUNC, IRC, ...) ({ \
163 struct security_hook_list *P; \
165 list_for_each_entry(P, &security_hook_heads.FUNC, list) { \
166 RC = P->hook.FUNC(__VA_ARGS__); \
174 /* Security operations */
176 int security_binder_set_context_mgr(struct task_struct
*mgr
)
178 return call_int_hook(binder_set_context_mgr
, 0, mgr
);
181 int security_binder_transaction(struct task_struct
*from
,
182 struct task_struct
*to
)
184 return call_int_hook(binder_transaction
, 0, from
, to
);
187 int security_binder_transfer_binder(struct task_struct
*from
,
188 struct task_struct
*to
)
190 return call_int_hook(binder_transfer_binder
, 0, from
, to
);
193 int security_binder_transfer_file(struct task_struct
*from
,
194 struct task_struct
*to
, struct file
*file
)
196 return call_int_hook(binder_transfer_file
, 0, from
, to
, file
);
199 int security_ptrace_access_check(struct task_struct
*child
, unsigned int mode
)
201 return call_int_hook(ptrace_access_check
, 0, child
, mode
);
204 int security_ptrace_traceme(struct task_struct
*parent
)
206 return call_int_hook(ptrace_traceme
, 0, parent
);
209 int security_capget(struct task_struct
*target
,
210 kernel_cap_t
*effective
,
211 kernel_cap_t
*inheritable
,
212 kernel_cap_t
*permitted
)
214 return call_int_hook(capget
, 0, target
,
215 effective
, inheritable
, permitted
);
218 int security_capset(struct cred
*new, const struct cred
*old
,
219 const kernel_cap_t
*effective
,
220 const kernel_cap_t
*inheritable
,
221 const kernel_cap_t
*permitted
)
223 return call_int_hook(capset
, 0, new, old
,
224 effective
, inheritable
, permitted
);
227 int security_capable(const struct cred
*cred
, struct user_namespace
*ns
,
230 return call_int_hook(capable
, 0, cred
, ns
, cap
, SECURITY_CAP_AUDIT
);
233 int security_capable_noaudit(const struct cred
*cred
, struct user_namespace
*ns
,
236 return call_int_hook(capable
, 0, cred
, ns
, cap
, SECURITY_CAP_NOAUDIT
);
239 int security_quotactl(int cmds
, int type
, int id
, struct super_block
*sb
)
241 return call_int_hook(quotactl
, 0, cmds
, type
, id
, sb
);
244 int security_quota_on(struct dentry
*dentry
)
246 return call_int_hook(quota_on
, 0, dentry
);
249 int security_syslog(int type
)
251 return call_int_hook(syslog
, 0, type
);
254 int security_settime64(const struct timespec64
*ts
, const struct timezone
*tz
)
256 return call_int_hook(settime
, 0, ts
, tz
);
259 int security_vm_enough_memory_mm(struct mm_struct
*mm
, long pages
)
261 struct security_hook_list
*hp
;
262 int cap_sys_admin
= 1;
266 * The module will respond with a positive value if
267 * it thinks the __vm_enough_memory() call should be
268 * made with the cap_sys_admin set. If all of the modules
269 * agree that it should be set it will. If any module
270 * thinks it should not be set it won't.
272 list_for_each_entry(hp
, &security_hook_heads
.vm_enough_memory
, list
) {
273 rc
= hp
->hook
.vm_enough_memory(mm
, pages
);
279 return __vm_enough_memory(mm
, pages
, cap_sys_admin
);
282 int security_bprm_set_creds(struct linux_binprm
*bprm
)
284 return call_int_hook(bprm_set_creds
, 0, bprm
);
287 int security_bprm_check(struct linux_binprm
*bprm
)
291 ret
= call_int_hook(bprm_check_security
, 0, bprm
);
294 return ima_bprm_check(bprm
);
297 void security_bprm_committing_creds(struct linux_binprm
*bprm
)
299 call_void_hook(bprm_committing_creds
, bprm
);
302 void security_bprm_committed_creds(struct linux_binprm
*bprm
)
304 call_void_hook(bprm_committed_creds
, bprm
);
307 int security_bprm_secureexec(struct linux_binprm
*bprm
)
309 return call_int_hook(bprm_secureexec
, 0, bprm
);
312 int security_sb_alloc(struct super_block
*sb
)
314 return call_int_hook(sb_alloc_security
, 0, sb
);
317 void security_sb_free(struct super_block
*sb
)
319 call_void_hook(sb_free_security
, sb
);
322 int security_sb_copy_data(char *orig
, char *copy
)
324 return call_int_hook(sb_copy_data
, 0, orig
, copy
);
326 EXPORT_SYMBOL(security_sb_copy_data
);
328 int security_sb_remount(struct super_block
*sb
, void *data
)
330 return call_int_hook(sb_remount
, 0, sb
, data
);
333 int security_sb_kern_mount(struct super_block
*sb
, int flags
, void *data
)
335 return call_int_hook(sb_kern_mount
, 0, sb
, flags
, data
);
338 int security_sb_show_options(struct seq_file
*m
, struct super_block
*sb
)
340 return call_int_hook(sb_show_options
, 0, m
, sb
);
343 int security_sb_statfs(struct dentry
*dentry
)
345 return call_int_hook(sb_statfs
, 0, dentry
);
348 int security_sb_mount(const char *dev_name
, const struct path
*path
,
349 const char *type
, unsigned long flags
, void *data
)
351 return call_int_hook(sb_mount
, 0, dev_name
, path
, type
, flags
, data
);
354 int security_sb_umount(struct vfsmount
*mnt
, int flags
)
356 return call_int_hook(sb_umount
, 0, mnt
, flags
);
359 int security_sb_pivotroot(const struct path
*old_path
, const struct path
*new_path
)
361 return call_int_hook(sb_pivotroot
, 0, old_path
, new_path
);
364 int security_sb_set_mnt_opts(struct super_block
*sb
,
365 struct security_mnt_opts
*opts
,
366 unsigned long kern_flags
,
367 unsigned long *set_kern_flags
)
369 return call_int_hook(sb_set_mnt_opts
,
370 opts
->num_mnt_opts
? -EOPNOTSUPP
: 0, sb
,
371 opts
, kern_flags
, set_kern_flags
);
373 EXPORT_SYMBOL(security_sb_set_mnt_opts
);
375 int security_sb_clone_mnt_opts(const struct super_block
*oldsb
,
376 struct super_block
*newsb
)
378 return call_int_hook(sb_clone_mnt_opts
, 0, oldsb
, newsb
);
380 EXPORT_SYMBOL(security_sb_clone_mnt_opts
);
382 int security_sb_parse_opts_str(char *options
, struct security_mnt_opts
*opts
)
384 return call_int_hook(sb_parse_opts_str
, 0, options
, opts
);
386 EXPORT_SYMBOL(security_sb_parse_opts_str
);
388 int security_inode_alloc(struct inode
*inode
)
390 inode
->i_security
= NULL
;
391 return call_int_hook(inode_alloc_security
, 0, inode
);
394 void security_inode_free(struct inode
*inode
)
396 integrity_inode_free(inode
);
397 call_void_hook(inode_free_security
, inode
);
400 int security_dentry_init_security(struct dentry
*dentry
, int mode
,
401 const struct qstr
*name
, void **ctx
,
404 return call_int_hook(dentry_init_security
, -EOPNOTSUPP
, dentry
, mode
,
407 EXPORT_SYMBOL(security_dentry_init_security
);
409 int security_dentry_create_files_as(struct dentry
*dentry
, int mode
,
411 const struct cred
*old
, struct cred
*new)
413 return call_int_hook(dentry_create_files_as
, 0, dentry
, mode
,
416 EXPORT_SYMBOL(security_dentry_create_files_as
);
418 int security_inode_init_security(struct inode
*inode
, struct inode
*dir
,
419 const struct qstr
*qstr
,
420 const initxattrs initxattrs
, void *fs_data
)
422 struct xattr new_xattrs
[MAX_LSM_EVM_XATTR
+ 1];
423 struct xattr
*lsm_xattr
, *evm_xattr
, *xattr
;
426 if (unlikely(IS_PRIVATE(inode
)))
430 return call_int_hook(inode_init_security
, -EOPNOTSUPP
, inode
,
431 dir
, qstr
, NULL
, NULL
, NULL
);
432 memset(new_xattrs
, 0, sizeof(new_xattrs
));
433 lsm_xattr
= new_xattrs
;
434 ret
= call_int_hook(inode_init_security
, -EOPNOTSUPP
, inode
, dir
, qstr
,
437 &lsm_xattr
->value_len
);
441 evm_xattr
= lsm_xattr
+ 1;
442 ret
= evm_inode_init_security(inode
, lsm_xattr
, evm_xattr
);
445 ret
= initxattrs(inode
, new_xattrs
, fs_data
);
447 for (xattr
= new_xattrs
; xattr
->value
!= NULL
; xattr
++)
449 return (ret
== -EOPNOTSUPP
) ? 0 : ret
;
451 EXPORT_SYMBOL(security_inode_init_security
);
453 int security_old_inode_init_security(struct inode
*inode
, struct inode
*dir
,
454 const struct qstr
*qstr
, const char **name
,
455 void **value
, size_t *len
)
457 if (unlikely(IS_PRIVATE(inode
)))
459 return call_int_hook(inode_init_security
, -EOPNOTSUPP
, inode
, dir
,
460 qstr
, name
, value
, len
);
462 EXPORT_SYMBOL(security_old_inode_init_security
);
464 #ifdef CONFIG_SECURITY_PATH
465 int security_path_mknod(const struct path
*dir
, struct dentry
*dentry
, umode_t mode
,
468 if (unlikely(IS_PRIVATE(d_backing_inode(dir
->dentry
))))
470 return call_int_hook(path_mknod
, 0, dir
, dentry
, mode
, dev
);
472 EXPORT_SYMBOL(security_path_mknod
);
474 int security_path_mkdir(const struct path
*dir
, struct dentry
*dentry
, umode_t mode
)
476 if (unlikely(IS_PRIVATE(d_backing_inode(dir
->dentry
))))
478 return call_int_hook(path_mkdir
, 0, dir
, dentry
, mode
);
480 EXPORT_SYMBOL(security_path_mkdir
);
482 int security_path_rmdir(const struct path
*dir
, struct dentry
*dentry
)
484 if (unlikely(IS_PRIVATE(d_backing_inode(dir
->dentry
))))
486 return call_int_hook(path_rmdir
, 0, dir
, dentry
);
489 int security_path_unlink(const struct path
*dir
, struct dentry
*dentry
)
491 if (unlikely(IS_PRIVATE(d_backing_inode(dir
->dentry
))))
493 return call_int_hook(path_unlink
, 0, dir
, dentry
);
495 EXPORT_SYMBOL(security_path_unlink
);
497 int security_path_symlink(const struct path
*dir
, struct dentry
*dentry
,
498 const char *old_name
)
500 if (unlikely(IS_PRIVATE(d_backing_inode(dir
->dentry
))))
502 return call_int_hook(path_symlink
, 0, dir
, dentry
, old_name
);
505 int security_path_link(struct dentry
*old_dentry
, const struct path
*new_dir
,
506 struct dentry
*new_dentry
)
508 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry
))))
510 return call_int_hook(path_link
, 0, old_dentry
, new_dir
, new_dentry
);
513 int security_path_rename(const struct path
*old_dir
, struct dentry
*old_dentry
,
514 const struct path
*new_dir
, struct dentry
*new_dentry
,
517 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry
)) ||
518 (d_is_positive(new_dentry
) && IS_PRIVATE(d_backing_inode(new_dentry
)))))
521 if (flags
& RENAME_EXCHANGE
) {
522 int err
= call_int_hook(path_rename
, 0, new_dir
, new_dentry
,
523 old_dir
, old_dentry
);
528 return call_int_hook(path_rename
, 0, old_dir
, old_dentry
, new_dir
,
531 EXPORT_SYMBOL(security_path_rename
);
533 int security_path_truncate(const struct path
*path
)
535 if (unlikely(IS_PRIVATE(d_backing_inode(path
->dentry
))))
537 return call_int_hook(path_truncate
, 0, path
);
540 int security_path_chmod(const struct path
*path
, umode_t mode
)
542 if (unlikely(IS_PRIVATE(d_backing_inode(path
->dentry
))))
544 return call_int_hook(path_chmod
, 0, path
, mode
);
547 int security_path_chown(const struct path
*path
, kuid_t uid
, kgid_t gid
)
549 if (unlikely(IS_PRIVATE(d_backing_inode(path
->dentry
))))
551 return call_int_hook(path_chown
, 0, path
, uid
, gid
);
554 int security_path_chroot(const struct path
*path
)
556 return call_int_hook(path_chroot
, 0, path
);
560 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
)
562 if (unlikely(IS_PRIVATE(dir
)))
564 return call_int_hook(inode_create
, 0, dir
, dentry
, mode
);
566 EXPORT_SYMBOL_GPL(security_inode_create
);
568 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
569 struct dentry
*new_dentry
)
571 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry
))))
573 return call_int_hook(inode_link
, 0, old_dentry
, dir
, new_dentry
);
576 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
578 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
580 return call_int_hook(inode_unlink
, 0, dir
, dentry
);
583 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
584 const char *old_name
)
586 if (unlikely(IS_PRIVATE(dir
)))
588 return call_int_hook(inode_symlink
, 0, dir
, dentry
, old_name
);
591 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
)
593 if (unlikely(IS_PRIVATE(dir
)))
595 return call_int_hook(inode_mkdir
, 0, dir
, dentry
, mode
);
597 EXPORT_SYMBOL_GPL(security_inode_mkdir
);
599 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
601 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
603 return call_int_hook(inode_rmdir
, 0, dir
, dentry
);
606 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
, dev_t dev
)
608 if (unlikely(IS_PRIVATE(dir
)))
610 return call_int_hook(inode_mknod
, 0, dir
, dentry
, mode
, dev
);
613 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
614 struct inode
*new_dir
, struct dentry
*new_dentry
,
617 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry
)) ||
618 (d_is_positive(new_dentry
) && IS_PRIVATE(d_backing_inode(new_dentry
)))))
621 if (flags
& RENAME_EXCHANGE
) {
622 int err
= call_int_hook(inode_rename
, 0, new_dir
, new_dentry
,
623 old_dir
, old_dentry
);
628 return call_int_hook(inode_rename
, 0, old_dir
, old_dentry
,
629 new_dir
, new_dentry
);
632 int security_inode_readlink(struct dentry
*dentry
)
634 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
636 return call_int_hook(inode_readlink
, 0, dentry
);
639 int security_inode_follow_link(struct dentry
*dentry
, struct inode
*inode
,
642 if (unlikely(IS_PRIVATE(inode
)))
644 return call_int_hook(inode_follow_link
, 0, dentry
, inode
, rcu
);
647 int security_inode_permission(struct inode
*inode
, int mask
)
649 if (unlikely(IS_PRIVATE(inode
)))
651 return call_int_hook(inode_permission
, 0, inode
, mask
);
654 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
658 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
660 ret
= call_int_hook(inode_setattr
, 0, dentry
, attr
);
663 return evm_inode_setattr(dentry
, attr
);
665 EXPORT_SYMBOL_GPL(security_inode_setattr
);
667 int security_inode_getattr(const struct path
*path
)
669 if (unlikely(IS_PRIVATE(d_backing_inode(path
->dentry
))))
671 return call_int_hook(inode_getattr
, 0, path
);
674 int security_inode_setxattr(struct dentry
*dentry
, const char *name
,
675 const void *value
, size_t size
, int flags
)
679 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
682 * SELinux and Smack integrate the cap call,
683 * so assume that all LSMs supplying this call do so.
685 ret
= call_int_hook(inode_setxattr
, 1, dentry
, name
, value
, size
,
689 ret
= cap_inode_setxattr(dentry
, name
, value
, size
, flags
);
692 ret
= ima_inode_setxattr(dentry
, name
, value
, size
);
695 return evm_inode_setxattr(dentry
, name
, value
, size
);
698 void security_inode_post_setxattr(struct dentry
*dentry
, const char *name
,
699 const void *value
, size_t size
, int flags
)
701 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
703 call_void_hook(inode_post_setxattr
, dentry
, name
, value
, size
, flags
);
704 evm_inode_post_setxattr(dentry
, name
, value
, size
);
707 int security_inode_getxattr(struct dentry
*dentry
, const char *name
)
709 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
711 return call_int_hook(inode_getxattr
, 0, dentry
, name
);
714 int security_inode_listxattr(struct dentry
*dentry
)
716 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
718 return call_int_hook(inode_listxattr
, 0, dentry
);
721 int security_inode_removexattr(struct dentry
*dentry
, const char *name
)
725 if (unlikely(IS_PRIVATE(d_backing_inode(dentry
))))
728 * SELinux and Smack integrate the cap call,
729 * so assume that all LSMs supplying this call do so.
731 ret
= call_int_hook(inode_removexattr
, 1, dentry
, name
);
733 ret
= cap_inode_removexattr(dentry
, name
);
736 ret
= ima_inode_removexattr(dentry
, name
);
739 return evm_inode_removexattr(dentry
, name
);
742 int security_inode_need_killpriv(struct dentry
*dentry
)
744 return call_int_hook(inode_need_killpriv
, 0, dentry
);
747 int security_inode_killpriv(struct dentry
*dentry
)
749 return call_int_hook(inode_killpriv
, 0, dentry
);
752 int security_inode_getsecurity(struct inode
*inode
, const char *name
, void **buffer
, bool alloc
)
754 struct security_hook_list
*hp
;
757 if (unlikely(IS_PRIVATE(inode
)))
760 * Only one module will provide an attribute with a given name.
762 list_for_each_entry(hp
, &security_hook_heads
.inode_getsecurity
, list
) {
763 rc
= hp
->hook
.inode_getsecurity(inode
, name
, buffer
, alloc
);
764 if (rc
!= -EOPNOTSUPP
)
770 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
772 struct security_hook_list
*hp
;
775 if (unlikely(IS_PRIVATE(inode
)))
778 * Only one module will provide an attribute with a given name.
780 list_for_each_entry(hp
, &security_hook_heads
.inode_setsecurity
, list
) {
781 rc
= hp
->hook
.inode_setsecurity(inode
, name
, value
, size
,
783 if (rc
!= -EOPNOTSUPP
)
789 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
791 if (unlikely(IS_PRIVATE(inode
)))
793 return call_int_hook(inode_listsecurity
, 0, inode
, buffer
, buffer_size
);
795 EXPORT_SYMBOL(security_inode_listsecurity
);
797 void security_inode_getsecid(struct inode
*inode
, u32
*secid
)
799 call_void_hook(inode_getsecid
, inode
, secid
);
802 int security_inode_copy_up(struct dentry
*src
, struct cred
**new)
804 return call_int_hook(inode_copy_up
, 0, src
, new);
806 EXPORT_SYMBOL(security_inode_copy_up
);
808 int security_inode_copy_up_xattr(const char *name
)
810 return call_int_hook(inode_copy_up_xattr
, -EOPNOTSUPP
, name
);
812 EXPORT_SYMBOL(security_inode_copy_up_xattr
);
814 int security_file_permission(struct file
*file
, int mask
)
818 ret
= call_int_hook(file_permission
, 0, file
, mask
);
822 return fsnotify_perm(file
, mask
);
825 int security_file_alloc(struct file
*file
)
827 return call_int_hook(file_alloc_security
, 0, file
);
830 void security_file_free(struct file
*file
)
832 call_void_hook(file_free_security
, file
);
835 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
837 return call_int_hook(file_ioctl
, 0, file
, cmd
, arg
);
840 static inline unsigned long mmap_prot(struct file
*file
, unsigned long prot
)
843 * Does we have PROT_READ and does the application expect
844 * it to imply PROT_EXEC? If not, nothing to talk about...
846 if ((prot
& (PROT_READ
| PROT_EXEC
)) != PROT_READ
)
848 if (!(current
->personality
& READ_IMPLIES_EXEC
))
851 * if that's an anonymous mapping, let it.
854 return prot
| PROT_EXEC
;
856 * ditto if it's not on noexec mount, except that on !MMU we need
857 * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
859 if (!path_noexec(&file
->f_path
)) {
861 if (file
->f_op
->mmap_capabilities
) {
862 unsigned caps
= file
->f_op
->mmap_capabilities(file
);
863 if (!(caps
& NOMMU_MAP_EXEC
))
867 return prot
| PROT_EXEC
;
869 /* anything on noexec mount won't get PROT_EXEC */
873 int security_mmap_file(struct file
*file
, unsigned long prot
,
877 ret
= call_int_hook(mmap_file
, 0, file
, prot
,
878 mmap_prot(file
, prot
), flags
);
881 return ima_file_mmap(file
, prot
);
884 int security_mmap_addr(unsigned long addr
)
886 return call_int_hook(mmap_addr
, 0, addr
);
889 int security_file_mprotect(struct vm_area_struct
*vma
, unsigned long reqprot
,
892 return call_int_hook(file_mprotect
, 0, vma
, reqprot
, prot
);
895 int security_file_lock(struct file
*file
, unsigned int cmd
)
897 return call_int_hook(file_lock
, 0, file
, cmd
);
900 int security_file_fcntl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
902 return call_int_hook(file_fcntl
, 0, file
, cmd
, arg
);
905 void security_file_set_fowner(struct file
*file
)
907 call_void_hook(file_set_fowner
, file
);
910 int security_file_send_sigiotask(struct task_struct
*tsk
,
911 struct fown_struct
*fown
, int sig
)
913 return call_int_hook(file_send_sigiotask
, 0, tsk
, fown
, sig
);
916 int security_file_receive(struct file
*file
)
918 return call_int_hook(file_receive
, 0, file
);
921 int security_file_open(struct file
*file
, const struct cred
*cred
)
925 ret
= call_int_hook(file_open
, 0, file
, cred
);
929 return fsnotify_perm(file
, MAY_OPEN
);
932 int security_task_create(unsigned long clone_flags
)
934 return call_int_hook(task_create
, 0, clone_flags
);
937 void security_task_free(struct task_struct
*task
)
939 call_void_hook(task_free
, task
);
942 int security_cred_alloc_blank(struct cred
*cred
, gfp_t gfp
)
944 return call_int_hook(cred_alloc_blank
, 0, cred
, gfp
);
947 void security_cred_free(struct cred
*cred
)
949 call_void_hook(cred_free
, cred
);
952 int security_prepare_creds(struct cred
*new, const struct cred
*old
, gfp_t gfp
)
954 return call_int_hook(cred_prepare
, 0, new, old
, gfp
);
957 void security_transfer_creds(struct cred
*new, const struct cred
*old
)
959 call_void_hook(cred_transfer
, new, old
);
962 int security_kernel_act_as(struct cred
*new, u32 secid
)
964 return call_int_hook(kernel_act_as
, 0, new, secid
);
967 int security_kernel_create_files_as(struct cred
*new, struct inode
*inode
)
969 return call_int_hook(kernel_create_files_as
, 0, new, inode
);
972 int security_kernel_module_request(char *kmod_name
)
974 return call_int_hook(kernel_module_request
, 0, kmod_name
);
977 int security_kernel_read_file(struct file
*file
, enum kernel_read_file_id id
)
981 ret
= call_int_hook(kernel_read_file
, 0, file
, id
);
984 return ima_read_file(file
, id
);
986 EXPORT_SYMBOL_GPL(security_kernel_read_file
);
988 int security_kernel_post_read_file(struct file
*file
, char *buf
, loff_t size
,
989 enum kernel_read_file_id id
)
993 ret
= call_int_hook(kernel_post_read_file
, 0, file
, buf
, size
, id
);
996 return ima_post_read_file(file
, buf
, size
, id
);
998 EXPORT_SYMBOL_GPL(security_kernel_post_read_file
);
1000 int security_task_fix_setuid(struct cred
*new, const struct cred
*old
,
1003 return call_int_hook(task_fix_setuid
, 0, new, old
, flags
);
1006 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
1008 return call_int_hook(task_setpgid
, 0, p
, pgid
);
1011 int security_task_getpgid(struct task_struct
*p
)
1013 return call_int_hook(task_getpgid
, 0, p
);
1016 int security_task_getsid(struct task_struct
*p
)
1018 return call_int_hook(task_getsid
, 0, p
);
1021 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
1024 call_void_hook(task_getsecid
, p
, secid
);
1026 EXPORT_SYMBOL(security_task_getsecid
);
1028 int security_task_setnice(struct task_struct
*p
, int nice
)
1030 return call_int_hook(task_setnice
, 0, p
, nice
);
1033 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
1035 return call_int_hook(task_setioprio
, 0, p
, ioprio
);
1038 int security_task_getioprio(struct task_struct
*p
)
1040 return call_int_hook(task_getioprio
, 0, p
);
1043 int security_task_setrlimit(struct task_struct
*p
, unsigned int resource
,
1044 struct rlimit
*new_rlim
)
1046 return call_int_hook(task_setrlimit
, 0, p
, resource
, new_rlim
);
1049 int security_task_setscheduler(struct task_struct
*p
)
1051 return call_int_hook(task_setscheduler
, 0, p
);
1054 int security_task_getscheduler(struct task_struct
*p
)
1056 return call_int_hook(task_getscheduler
, 0, p
);
1059 int security_task_movememory(struct task_struct
*p
)
1061 return call_int_hook(task_movememory
, 0, p
);
1064 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
1067 return call_int_hook(task_kill
, 0, p
, info
, sig
, secid
);
1070 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
1071 unsigned long arg4
, unsigned long arg5
)
1075 struct security_hook_list
*hp
;
1077 list_for_each_entry(hp
, &security_hook_heads
.task_prctl
, list
) {
1078 thisrc
= hp
->hook
.task_prctl(option
, arg2
, arg3
, arg4
, arg5
);
1079 if (thisrc
!= -ENOSYS
) {
1088 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
1090 call_void_hook(task_to_inode
, p
, inode
);
1093 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
1095 return call_int_hook(ipc_permission
, 0, ipcp
, flag
);
1098 void security_ipc_getsecid(struct kern_ipc_perm
*ipcp
, u32
*secid
)
1101 call_void_hook(ipc_getsecid
, ipcp
, secid
);
1104 int security_msg_msg_alloc(struct msg_msg
*msg
)
1106 return call_int_hook(msg_msg_alloc_security
, 0, msg
);
1109 void security_msg_msg_free(struct msg_msg
*msg
)
1111 call_void_hook(msg_msg_free_security
, msg
);
1114 int security_msg_queue_alloc(struct msg_queue
*msq
)
1116 return call_int_hook(msg_queue_alloc_security
, 0, msq
);
1119 void security_msg_queue_free(struct msg_queue
*msq
)
1121 call_void_hook(msg_queue_free_security
, msq
);
1124 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
1126 return call_int_hook(msg_queue_associate
, 0, msq
, msqflg
);
1129 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
1131 return call_int_hook(msg_queue_msgctl
, 0, msq
, cmd
);
1134 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
1135 struct msg_msg
*msg
, int msqflg
)
1137 return call_int_hook(msg_queue_msgsnd
, 0, msq
, msg
, msqflg
);
1140 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
1141 struct task_struct
*target
, long type
, int mode
)
1143 return call_int_hook(msg_queue_msgrcv
, 0, msq
, msg
, target
, type
, mode
);
1146 int security_shm_alloc(struct shmid_kernel
*shp
)
1148 return call_int_hook(shm_alloc_security
, 0, shp
);
1151 void security_shm_free(struct shmid_kernel
*shp
)
1153 call_void_hook(shm_free_security
, shp
);
1156 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
1158 return call_int_hook(shm_associate
, 0, shp
, shmflg
);
1161 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
1163 return call_int_hook(shm_shmctl
, 0, shp
, cmd
);
1166 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
1168 return call_int_hook(shm_shmat
, 0, shp
, shmaddr
, shmflg
);
1171 int security_sem_alloc(struct sem_array
*sma
)
1173 return call_int_hook(sem_alloc_security
, 0, sma
);
1176 void security_sem_free(struct sem_array
*sma
)
1178 call_void_hook(sem_free_security
, sma
);
1181 int security_sem_associate(struct sem_array
*sma
, int semflg
)
1183 return call_int_hook(sem_associate
, 0, sma
, semflg
);
1186 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
1188 return call_int_hook(sem_semctl
, 0, sma
, cmd
);
1191 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
1192 unsigned nsops
, int alter
)
1194 return call_int_hook(sem_semop
, 0, sma
, sops
, nsops
, alter
);
1197 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
1199 if (unlikely(inode
&& IS_PRIVATE(inode
)))
1201 call_void_hook(d_instantiate
, dentry
, inode
);
1203 EXPORT_SYMBOL(security_d_instantiate
);
1205 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
1207 return call_int_hook(getprocattr
, -EINVAL
, p
, name
, value
);
1210 int security_setprocattr(const char *name
, void *value
, size_t size
)
1212 return call_int_hook(setprocattr
, -EINVAL
, name
, value
, size
);
1215 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
1217 return call_int_hook(netlink_send
, 0, sk
, skb
);
1220 int security_ismaclabel(const char *name
)
1222 return call_int_hook(ismaclabel
, 0, name
);
1224 EXPORT_SYMBOL(security_ismaclabel
);
1226 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
1228 return call_int_hook(secid_to_secctx
, -EOPNOTSUPP
, secid
, secdata
,
1231 EXPORT_SYMBOL(security_secid_to_secctx
);
1233 int security_secctx_to_secid(const char *secdata
, u32 seclen
, u32
*secid
)
1236 return call_int_hook(secctx_to_secid
, 0, secdata
, seclen
, secid
);
1238 EXPORT_SYMBOL(security_secctx_to_secid
);
1240 void security_release_secctx(char *secdata
, u32 seclen
)
1242 call_void_hook(release_secctx
, secdata
, seclen
);
1244 EXPORT_SYMBOL(security_release_secctx
);
1246 void security_inode_invalidate_secctx(struct inode
*inode
)
1248 call_void_hook(inode_invalidate_secctx
, inode
);
1250 EXPORT_SYMBOL(security_inode_invalidate_secctx
);
1252 int security_inode_notifysecctx(struct inode
*inode
, void *ctx
, u32 ctxlen
)
1254 return call_int_hook(inode_notifysecctx
, 0, inode
, ctx
, ctxlen
);
1256 EXPORT_SYMBOL(security_inode_notifysecctx
);
1258 int security_inode_setsecctx(struct dentry
*dentry
, void *ctx
, u32 ctxlen
)
1260 return call_int_hook(inode_setsecctx
, 0, dentry
, ctx
, ctxlen
);
1262 EXPORT_SYMBOL(security_inode_setsecctx
);
1264 int security_inode_getsecctx(struct inode
*inode
, void **ctx
, u32
*ctxlen
)
1266 return call_int_hook(inode_getsecctx
, -EOPNOTSUPP
, inode
, ctx
, ctxlen
);
1268 EXPORT_SYMBOL(security_inode_getsecctx
);
1270 #ifdef CONFIG_SECURITY_NETWORK
1272 int security_unix_stream_connect(struct sock
*sock
, struct sock
*other
, struct sock
*newsk
)
1274 return call_int_hook(unix_stream_connect
, 0, sock
, other
, newsk
);
1276 EXPORT_SYMBOL(security_unix_stream_connect
);
1278 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
1280 return call_int_hook(unix_may_send
, 0, sock
, other
);
1282 EXPORT_SYMBOL(security_unix_may_send
);
1284 int security_socket_create(int family
, int type
, int protocol
, int kern
)
1286 return call_int_hook(socket_create
, 0, family
, type
, protocol
, kern
);
1289 int security_socket_post_create(struct socket
*sock
, int family
,
1290 int type
, int protocol
, int kern
)
1292 return call_int_hook(socket_post_create
, 0, sock
, family
, type
,
1296 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1298 return call_int_hook(socket_bind
, 0, sock
, address
, addrlen
);
1301 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1303 return call_int_hook(socket_connect
, 0, sock
, address
, addrlen
);
1306 int security_socket_listen(struct socket
*sock
, int backlog
)
1308 return call_int_hook(socket_listen
, 0, sock
, backlog
);
1311 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
1313 return call_int_hook(socket_accept
, 0, sock
, newsock
);
1316 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
1318 return call_int_hook(socket_sendmsg
, 0, sock
, msg
, size
);
1321 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
1322 int size
, int flags
)
1324 return call_int_hook(socket_recvmsg
, 0, sock
, msg
, size
, flags
);
1327 int security_socket_getsockname(struct socket
*sock
)
1329 return call_int_hook(socket_getsockname
, 0, sock
);
1332 int security_socket_getpeername(struct socket
*sock
)
1334 return call_int_hook(socket_getpeername
, 0, sock
);
1337 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
1339 return call_int_hook(socket_getsockopt
, 0, sock
, level
, optname
);
1342 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
1344 return call_int_hook(socket_setsockopt
, 0, sock
, level
, optname
);
1347 int security_socket_shutdown(struct socket
*sock
, int how
)
1349 return call_int_hook(socket_shutdown
, 0, sock
, how
);
1352 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
1354 return call_int_hook(socket_sock_rcv_skb
, 0, sk
, skb
);
1356 EXPORT_SYMBOL(security_sock_rcv_skb
);
1358 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
1359 int __user
*optlen
, unsigned len
)
1361 return call_int_hook(socket_getpeersec_stream
, -ENOPROTOOPT
, sock
,
1362 optval
, optlen
, len
);
1365 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
1367 return call_int_hook(socket_getpeersec_dgram
, -ENOPROTOOPT
, sock
,
1370 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
1372 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
1374 return call_int_hook(sk_alloc_security
, 0, sk
, family
, priority
);
1377 void security_sk_free(struct sock
*sk
)
1379 call_void_hook(sk_free_security
, sk
);
1382 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
1384 call_void_hook(sk_clone_security
, sk
, newsk
);
1386 EXPORT_SYMBOL(security_sk_clone
);
1388 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
1390 call_void_hook(sk_getsecid
, sk
, &fl
->flowi_secid
);
1392 EXPORT_SYMBOL(security_sk_classify_flow
);
1394 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
1396 call_void_hook(req_classify_flow
, req
, fl
);
1398 EXPORT_SYMBOL(security_req_classify_flow
);
1400 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
1402 call_void_hook(sock_graft
, sk
, parent
);
1404 EXPORT_SYMBOL(security_sock_graft
);
1406 int security_inet_conn_request(struct sock
*sk
,
1407 struct sk_buff
*skb
, struct request_sock
*req
)
1409 return call_int_hook(inet_conn_request
, 0, sk
, skb
, req
);
1411 EXPORT_SYMBOL(security_inet_conn_request
);
1413 void security_inet_csk_clone(struct sock
*newsk
,
1414 const struct request_sock
*req
)
1416 call_void_hook(inet_csk_clone
, newsk
, req
);
1419 void security_inet_conn_established(struct sock
*sk
,
1420 struct sk_buff
*skb
)
1422 call_void_hook(inet_conn_established
, sk
, skb
);
1425 int security_secmark_relabel_packet(u32 secid
)
1427 return call_int_hook(secmark_relabel_packet
, 0, secid
);
1429 EXPORT_SYMBOL(security_secmark_relabel_packet
);
1431 void security_secmark_refcount_inc(void)
1433 call_void_hook(secmark_refcount_inc
);
1435 EXPORT_SYMBOL(security_secmark_refcount_inc
);
1437 void security_secmark_refcount_dec(void)
1439 call_void_hook(secmark_refcount_dec
);
1441 EXPORT_SYMBOL(security_secmark_refcount_dec
);
1443 int security_tun_dev_alloc_security(void **security
)
1445 return call_int_hook(tun_dev_alloc_security
, 0, security
);
1447 EXPORT_SYMBOL(security_tun_dev_alloc_security
);
1449 void security_tun_dev_free_security(void *security
)
1451 call_void_hook(tun_dev_free_security
, security
);
1453 EXPORT_SYMBOL(security_tun_dev_free_security
);
1455 int security_tun_dev_create(void)
1457 return call_int_hook(tun_dev_create
, 0);
1459 EXPORT_SYMBOL(security_tun_dev_create
);
1461 int security_tun_dev_attach_queue(void *security
)
1463 return call_int_hook(tun_dev_attach_queue
, 0, security
);
1465 EXPORT_SYMBOL(security_tun_dev_attach_queue
);
1467 int security_tun_dev_attach(struct sock
*sk
, void *security
)
1469 return call_int_hook(tun_dev_attach
, 0, sk
, security
);
1471 EXPORT_SYMBOL(security_tun_dev_attach
);
1473 int security_tun_dev_open(void *security
)
1475 return call_int_hook(tun_dev_open
, 0, security
);
1477 EXPORT_SYMBOL(security_tun_dev_open
);
1479 #endif /* CONFIG_SECURITY_NETWORK */
1481 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1483 int security_xfrm_policy_alloc(struct xfrm_sec_ctx
**ctxp
,
1484 struct xfrm_user_sec_ctx
*sec_ctx
,
1487 return call_int_hook(xfrm_policy_alloc_security
, 0, ctxp
, sec_ctx
, gfp
);
1489 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1491 int security_xfrm_policy_clone(struct xfrm_sec_ctx
*old_ctx
,
1492 struct xfrm_sec_ctx
**new_ctxp
)
1494 return call_int_hook(xfrm_policy_clone_security
, 0, old_ctx
, new_ctxp
);
1497 void security_xfrm_policy_free(struct xfrm_sec_ctx
*ctx
)
1499 call_void_hook(xfrm_policy_free_security
, ctx
);
1501 EXPORT_SYMBOL(security_xfrm_policy_free
);
1503 int security_xfrm_policy_delete(struct xfrm_sec_ctx
*ctx
)
1505 return call_int_hook(xfrm_policy_delete_security
, 0, ctx
);
1508 int security_xfrm_state_alloc(struct xfrm_state
*x
,
1509 struct xfrm_user_sec_ctx
*sec_ctx
)
1511 return call_int_hook(xfrm_state_alloc
, 0, x
, sec_ctx
);
1513 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1515 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1516 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1518 return call_int_hook(xfrm_state_alloc_acquire
, 0, x
, polsec
, secid
);
1521 int security_xfrm_state_delete(struct xfrm_state
*x
)
1523 return call_int_hook(xfrm_state_delete_security
, 0, x
);
1525 EXPORT_SYMBOL(security_xfrm_state_delete
);
1527 void security_xfrm_state_free(struct xfrm_state
*x
)
1529 call_void_hook(xfrm_state_free_security
, x
);
1532 int security_xfrm_policy_lookup(struct xfrm_sec_ctx
*ctx
, u32 fl_secid
, u8 dir
)
1534 return call_int_hook(xfrm_policy_lookup
, 0, ctx
, fl_secid
, dir
);
1537 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1538 struct xfrm_policy
*xp
,
1539 const struct flowi
*fl
)
1541 struct security_hook_list
*hp
;
1545 * Since this function is expected to return 0 or 1, the judgment
1546 * becomes difficult if multiple LSMs supply this call. Fortunately,
1547 * we can use the first LSM's judgment because currently only SELinux
1548 * supplies this call.
1550 * For speed optimization, we explicitly break the loop rather than
1553 list_for_each_entry(hp
, &security_hook_heads
.xfrm_state_pol_flow_match
,
1555 rc
= hp
->hook
.xfrm_state_pol_flow_match(x
, xp
, fl
);
1561 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1563 return call_int_hook(xfrm_decode_session
, 0, skb
, secid
, 1);
1566 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1568 int rc
= call_int_hook(xfrm_decode_session
, 0, skb
, &fl
->flowi_secid
,
1573 EXPORT_SYMBOL(security_skb_classify_flow
);
1575 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1579 int security_key_alloc(struct key
*key
, const struct cred
*cred
,
1580 unsigned long flags
)
1582 return call_int_hook(key_alloc
, 0, key
, cred
, flags
);
1585 void security_key_free(struct key
*key
)
1587 call_void_hook(key_free
, key
);
1590 int security_key_permission(key_ref_t key_ref
,
1591 const struct cred
*cred
, unsigned perm
)
1593 return call_int_hook(key_permission
, 0, key_ref
, cred
, perm
);
1596 int security_key_getsecurity(struct key
*key
, char **_buffer
)
1599 return call_int_hook(key_getsecurity
, 0, key
, _buffer
);
1602 #endif /* CONFIG_KEYS */
1606 int security_audit_rule_init(u32 field
, u32 op
, char *rulestr
, void **lsmrule
)
1608 return call_int_hook(audit_rule_init
, 0, field
, op
, rulestr
, lsmrule
);
1611 int security_audit_rule_known(struct audit_krule
*krule
)
1613 return call_int_hook(audit_rule_known
, 0, krule
);
1616 void security_audit_rule_free(void *lsmrule
)
1618 call_void_hook(audit_rule_free
, lsmrule
);
1621 int security_audit_rule_match(u32 secid
, u32 field
, u32 op
, void *lsmrule
,
1622 struct audit_context
*actx
)
1624 return call_int_hook(audit_rule_match
, 0, secid
, field
, op
, lsmrule
,
1627 #endif /* CONFIG_AUDIT */
1629 struct security_hook_heads security_hook_heads
= {
1630 .binder_set_context_mgr
=
1631 LIST_HEAD_INIT(security_hook_heads
.binder_set_context_mgr
),
1632 .binder_transaction
=
1633 LIST_HEAD_INIT(security_hook_heads
.binder_transaction
),
1634 .binder_transfer_binder
=
1635 LIST_HEAD_INIT(security_hook_heads
.binder_transfer_binder
),
1636 .binder_transfer_file
=
1637 LIST_HEAD_INIT(security_hook_heads
.binder_transfer_file
),
1639 .ptrace_access_check
=
1640 LIST_HEAD_INIT(security_hook_heads
.ptrace_access_check
),
1642 LIST_HEAD_INIT(security_hook_heads
.ptrace_traceme
),
1643 .capget
= LIST_HEAD_INIT(security_hook_heads
.capget
),
1644 .capset
= LIST_HEAD_INIT(security_hook_heads
.capset
),
1645 .capable
= LIST_HEAD_INIT(security_hook_heads
.capable
),
1646 .quotactl
= LIST_HEAD_INIT(security_hook_heads
.quotactl
),
1647 .quota_on
= LIST_HEAD_INIT(security_hook_heads
.quota_on
),
1648 .syslog
= LIST_HEAD_INIT(security_hook_heads
.syslog
),
1649 .settime
= LIST_HEAD_INIT(security_hook_heads
.settime
),
1651 LIST_HEAD_INIT(security_hook_heads
.vm_enough_memory
),
1653 LIST_HEAD_INIT(security_hook_heads
.bprm_set_creds
),
1654 .bprm_check_security
=
1655 LIST_HEAD_INIT(security_hook_heads
.bprm_check_security
),
1657 LIST_HEAD_INIT(security_hook_heads
.bprm_secureexec
),
1658 .bprm_committing_creds
=
1659 LIST_HEAD_INIT(security_hook_heads
.bprm_committing_creds
),
1660 .bprm_committed_creds
=
1661 LIST_HEAD_INIT(security_hook_heads
.bprm_committed_creds
),
1662 .sb_alloc_security
=
1663 LIST_HEAD_INIT(security_hook_heads
.sb_alloc_security
),
1665 LIST_HEAD_INIT(security_hook_heads
.sb_free_security
),
1666 .sb_copy_data
= LIST_HEAD_INIT(security_hook_heads
.sb_copy_data
),
1667 .sb_remount
= LIST_HEAD_INIT(security_hook_heads
.sb_remount
),
1669 LIST_HEAD_INIT(security_hook_heads
.sb_kern_mount
),
1671 LIST_HEAD_INIT(security_hook_heads
.sb_show_options
),
1672 .sb_statfs
= LIST_HEAD_INIT(security_hook_heads
.sb_statfs
),
1673 .sb_mount
= LIST_HEAD_INIT(security_hook_heads
.sb_mount
),
1674 .sb_umount
= LIST_HEAD_INIT(security_hook_heads
.sb_umount
),
1675 .sb_pivotroot
= LIST_HEAD_INIT(security_hook_heads
.sb_pivotroot
),
1677 LIST_HEAD_INIT(security_hook_heads
.sb_set_mnt_opts
),
1678 .sb_clone_mnt_opts
=
1679 LIST_HEAD_INIT(security_hook_heads
.sb_clone_mnt_opts
),
1680 .sb_parse_opts_str
=
1681 LIST_HEAD_INIT(security_hook_heads
.sb_parse_opts_str
),
1682 .dentry_init_security
=
1683 LIST_HEAD_INIT(security_hook_heads
.dentry_init_security
),
1684 .dentry_create_files_as
=
1685 LIST_HEAD_INIT(security_hook_heads
.dentry_create_files_as
),
1686 #ifdef CONFIG_SECURITY_PATH
1687 .path_unlink
= LIST_HEAD_INIT(security_hook_heads
.path_unlink
),
1688 .path_mkdir
= LIST_HEAD_INIT(security_hook_heads
.path_mkdir
),
1689 .path_rmdir
= LIST_HEAD_INIT(security_hook_heads
.path_rmdir
),
1690 .path_mknod
= LIST_HEAD_INIT(security_hook_heads
.path_mknod
),
1692 LIST_HEAD_INIT(security_hook_heads
.path_truncate
),
1693 .path_symlink
= LIST_HEAD_INIT(security_hook_heads
.path_symlink
),
1694 .path_link
= LIST_HEAD_INIT(security_hook_heads
.path_link
),
1695 .path_rename
= LIST_HEAD_INIT(security_hook_heads
.path_rename
),
1696 .path_chmod
= LIST_HEAD_INIT(security_hook_heads
.path_chmod
),
1697 .path_chown
= LIST_HEAD_INIT(security_hook_heads
.path_chown
),
1698 .path_chroot
= LIST_HEAD_INIT(security_hook_heads
.path_chroot
),
1700 .inode_alloc_security
=
1701 LIST_HEAD_INIT(security_hook_heads
.inode_alloc_security
),
1702 .inode_free_security
=
1703 LIST_HEAD_INIT(security_hook_heads
.inode_free_security
),
1704 .inode_init_security
=
1705 LIST_HEAD_INIT(security_hook_heads
.inode_init_security
),
1706 .inode_create
= LIST_HEAD_INIT(security_hook_heads
.inode_create
),
1707 .inode_link
= LIST_HEAD_INIT(security_hook_heads
.inode_link
),
1708 .inode_unlink
= LIST_HEAD_INIT(security_hook_heads
.inode_unlink
),
1710 LIST_HEAD_INIT(security_hook_heads
.inode_symlink
),
1711 .inode_mkdir
= LIST_HEAD_INIT(security_hook_heads
.inode_mkdir
),
1712 .inode_rmdir
= LIST_HEAD_INIT(security_hook_heads
.inode_rmdir
),
1713 .inode_mknod
= LIST_HEAD_INIT(security_hook_heads
.inode_mknod
),
1714 .inode_rename
= LIST_HEAD_INIT(security_hook_heads
.inode_rename
),
1716 LIST_HEAD_INIT(security_hook_heads
.inode_readlink
),
1717 .inode_follow_link
=
1718 LIST_HEAD_INIT(security_hook_heads
.inode_follow_link
),
1720 LIST_HEAD_INIT(security_hook_heads
.inode_permission
),
1722 LIST_HEAD_INIT(security_hook_heads
.inode_setattr
),
1724 LIST_HEAD_INIT(security_hook_heads
.inode_getattr
),
1726 LIST_HEAD_INIT(security_hook_heads
.inode_setxattr
),
1727 .inode_post_setxattr
=
1728 LIST_HEAD_INIT(security_hook_heads
.inode_post_setxattr
),
1730 LIST_HEAD_INIT(security_hook_heads
.inode_getxattr
),
1732 LIST_HEAD_INIT(security_hook_heads
.inode_listxattr
),
1733 .inode_removexattr
=
1734 LIST_HEAD_INIT(security_hook_heads
.inode_removexattr
),
1735 .inode_need_killpriv
=
1736 LIST_HEAD_INIT(security_hook_heads
.inode_need_killpriv
),
1738 LIST_HEAD_INIT(security_hook_heads
.inode_killpriv
),
1739 .inode_getsecurity
=
1740 LIST_HEAD_INIT(security_hook_heads
.inode_getsecurity
),
1741 .inode_setsecurity
=
1742 LIST_HEAD_INIT(security_hook_heads
.inode_setsecurity
),
1743 .inode_listsecurity
=
1744 LIST_HEAD_INIT(security_hook_heads
.inode_listsecurity
),
1746 LIST_HEAD_INIT(security_hook_heads
.inode_getsecid
),
1748 LIST_HEAD_INIT(security_hook_heads
.inode_copy_up
),
1749 .inode_copy_up_xattr
=
1750 LIST_HEAD_INIT(security_hook_heads
.inode_copy_up_xattr
),
1752 LIST_HEAD_INIT(security_hook_heads
.file_permission
),
1753 .file_alloc_security
=
1754 LIST_HEAD_INIT(security_hook_heads
.file_alloc_security
),
1755 .file_free_security
=
1756 LIST_HEAD_INIT(security_hook_heads
.file_free_security
),
1757 .file_ioctl
= LIST_HEAD_INIT(security_hook_heads
.file_ioctl
),
1758 .mmap_addr
= LIST_HEAD_INIT(security_hook_heads
.mmap_addr
),
1759 .mmap_file
= LIST_HEAD_INIT(security_hook_heads
.mmap_file
),
1761 LIST_HEAD_INIT(security_hook_heads
.file_mprotect
),
1762 .file_lock
= LIST_HEAD_INIT(security_hook_heads
.file_lock
),
1763 .file_fcntl
= LIST_HEAD_INIT(security_hook_heads
.file_fcntl
),
1765 LIST_HEAD_INIT(security_hook_heads
.file_set_fowner
),
1766 .file_send_sigiotask
=
1767 LIST_HEAD_INIT(security_hook_heads
.file_send_sigiotask
),
1768 .file_receive
= LIST_HEAD_INIT(security_hook_heads
.file_receive
),
1769 .file_open
= LIST_HEAD_INIT(security_hook_heads
.file_open
),
1770 .task_create
= LIST_HEAD_INIT(security_hook_heads
.task_create
),
1771 .task_free
= LIST_HEAD_INIT(security_hook_heads
.task_free
),
1773 LIST_HEAD_INIT(security_hook_heads
.cred_alloc_blank
),
1774 .cred_free
= LIST_HEAD_INIT(security_hook_heads
.cred_free
),
1775 .cred_prepare
= LIST_HEAD_INIT(security_hook_heads
.cred_prepare
),
1777 LIST_HEAD_INIT(security_hook_heads
.cred_transfer
),
1779 LIST_HEAD_INIT(security_hook_heads
.kernel_act_as
),
1780 .kernel_create_files_as
=
1781 LIST_HEAD_INIT(security_hook_heads
.kernel_create_files_as
),
1782 .kernel_module_request
=
1783 LIST_HEAD_INIT(security_hook_heads
.kernel_module_request
),
1785 LIST_HEAD_INIT(security_hook_heads
.kernel_read_file
),
1786 .kernel_post_read_file
=
1787 LIST_HEAD_INIT(security_hook_heads
.kernel_post_read_file
),
1789 LIST_HEAD_INIT(security_hook_heads
.task_fix_setuid
),
1790 .task_setpgid
= LIST_HEAD_INIT(security_hook_heads
.task_setpgid
),
1791 .task_getpgid
= LIST_HEAD_INIT(security_hook_heads
.task_getpgid
),
1792 .task_getsid
= LIST_HEAD_INIT(security_hook_heads
.task_getsid
),
1794 LIST_HEAD_INIT(security_hook_heads
.task_getsecid
),
1795 .task_setnice
= LIST_HEAD_INIT(security_hook_heads
.task_setnice
),
1797 LIST_HEAD_INIT(security_hook_heads
.task_setioprio
),
1799 LIST_HEAD_INIT(security_hook_heads
.task_getioprio
),
1801 LIST_HEAD_INIT(security_hook_heads
.task_setrlimit
),
1802 .task_setscheduler
=
1803 LIST_HEAD_INIT(security_hook_heads
.task_setscheduler
),
1804 .task_getscheduler
=
1805 LIST_HEAD_INIT(security_hook_heads
.task_getscheduler
),
1807 LIST_HEAD_INIT(security_hook_heads
.task_movememory
),
1808 .task_kill
= LIST_HEAD_INIT(security_hook_heads
.task_kill
),
1809 .task_prctl
= LIST_HEAD_INIT(security_hook_heads
.task_prctl
),
1811 LIST_HEAD_INIT(security_hook_heads
.task_to_inode
),
1813 LIST_HEAD_INIT(security_hook_heads
.ipc_permission
),
1814 .ipc_getsecid
= LIST_HEAD_INIT(security_hook_heads
.ipc_getsecid
),
1815 .msg_msg_alloc_security
=
1816 LIST_HEAD_INIT(security_hook_heads
.msg_msg_alloc_security
),
1817 .msg_msg_free_security
=
1818 LIST_HEAD_INIT(security_hook_heads
.msg_msg_free_security
),
1819 .msg_queue_alloc_security
=
1820 LIST_HEAD_INIT(security_hook_heads
.msg_queue_alloc_security
),
1821 .msg_queue_free_security
=
1822 LIST_HEAD_INIT(security_hook_heads
.msg_queue_free_security
),
1823 .msg_queue_associate
=
1824 LIST_HEAD_INIT(security_hook_heads
.msg_queue_associate
),
1826 LIST_HEAD_INIT(security_hook_heads
.msg_queue_msgctl
),
1828 LIST_HEAD_INIT(security_hook_heads
.msg_queue_msgsnd
),
1830 LIST_HEAD_INIT(security_hook_heads
.msg_queue_msgrcv
),
1831 .shm_alloc_security
=
1832 LIST_HEAD_INIT(security_hook_heads
.shm_alloc_security
),
1833 .shm_free_security
=
1834 LIST_HEAD_INIT(security_hook_heads
.shm_free_security
),
1836 LIST_HEAD_INIT(security_hook_heads
.shm_associate
),
1837 .shm_shmctl
= LIST_HEAD_INIT(security_hook_heads
.shm_shmctl
),
1838 .shm_shmat
= LIST_HEAD_INIT(security_hook_heads
.shm_shmat
),
1839 .sem_alloc_security
=
1840 LIST_HEAD_INIT(security_hook_heads
.sem_alloc_security
),
1841 .sem_free_security
=
1842 LIST_HEAD_INIT(security_hook_heads
.sem_free_security
),
1844 LIST_HEAD_INIT(security_hook_heads
.sem_associate
),
1845 .sem_semctl
= LIST_HEAD_INIT(security_hook_heads
.sem_semctl
),
1846 .sem_semop
= LIST_HEAD_INIT(security_hook_heads
.sem_semop
),
1847 .netlink_send
= LIST_HEAD_INIT(security_hook_heads
.netlink_send
),
1849 LIST_HEAD_INIT(security_hook_heads
.d_instantiate
),
1850 .getprocattr
= LIST_HEAD_INIT(security_hook_heads
.getprocattr
),
1851 .setprocattr
= LIST_HEAD_INIT(security_hook_heads
.setprocattr
),
1852 .ismaclabel
= LIST_HEAD_INIT(security_hook_heads
.ismaclabel
),
1854 LIST_HEAD_INIT(security_hook_heads
.secid_to_secctx
),
1856 LIST_HEAD_INIT(security_hook_heads
.secctx_to_secid
),
1858 LIST_HEAD_INIT(security_hook_heads
.release_secctx
),
1859 .inode_invalidate_secctx
=
1860 LIST_HEAD_INIT(security_hook_heads
.inode_invalidate_secctx
),
1861 .inode_notifysecctx
=
1862 LIST_HEAD_INIT(security_hook_heads
.inode_notifysecctx
),
1864 LIST_HEAD_INIT(security_hook_heads
.inode_setsecctx
),
1866 LIST_HEAD_INIT(security_hook_heads
.inode_getsecctx
),
1867 #ifdef CONFIG_SECURITY_NETWORK
1868 .unix_stream_connect
=
1869 LIST_HEAD_INIT(security_hook_heads
.unix_stream_connect
),
1871 LIST_HEAD_INIT(security_hook_heads
.unix_may_send
),
1873 LIST_HEAD_INIT(security_hook_heads
.socket_create
),
1874 .socket_post_create
=
1875 LIST_HEAD_INIT(security_hook_heads
.socket_post_create
),
1876 .socket_bind
= LIST_HEAD_INIT(security_hook_heads
.socket_bind
),
1878 LIST_HEAD_INIT(security_hook_heads
.socket_connect
),
1880 LIST_HEAD_INIT(security_hook_heads
.socket_listen
),
1882 LIST_HEAD_INIT(security_hook_heads
.socket_accept
),
1884 LIST_HEAD_INIT(security_hook_heads
.socket_sendmsg
),
1886 LIST_HEAD_INIT(security_hook_heads
.socket_recvmsg
),
1887 .socket_getsockname
=
1888 LIST_HEAD_INIT(security_hook_heads
.socket_getsockname
),
1889 .socket_getpeername
=
1890 LIST_HEAD_INIT(security_hook_heads
.socket_getpeername
),
1891 .socket_getsockopt
=
1892 LIST_HEAD_INIT(security_hook_heads
.socket_getsockopt
),
1893 .socket_setsockopt
=
1894 LIST_HEAD_INIT(security_hook_heads
.socket_setsockopt
),
1896 LIST_HEAD_INIT(security_hook_heads
.socket_shutdown
),
1897 .socket_sock_rcv_skb
=
1898 LIST_HEAD_INIT(security_hook_heads
.socket_sock_rcv_skb
),
1899 .socket_getpeersec_stream
=
1900 LIST_HEAD_INIT(security_hook_heads
.socket_getpeersec_stream
),
1901 .socket_getpeersec_dgram
=
1902 LIST_HEAD_INIT(security_hook_heads
.socket_getpeersec_dgram
),
1903 .sk_alloc_security
=
1904 LIST_HEAD_INIT(security_hook_heads
.sk_alloc_security
),
1906 LIST_HEAD_INIT(security_hook_heads
.sk_free_security
),
1907 .sk_clone_security
=
1908 LIST_HEAD_INIT(security_hook_heads
.sk_clone_security
),
1909 .sk_getsecid
= LIST_HEAD_INIT(security_hook_heads
.sk_getsecid
),
1910 .sock_graft
= LIST_HEAD_INIT(security_hook_heads
.sock_graft
),
1911 .inet_conn_request
=
1912 LIST_HEAD_INIT(security_hook_heads
.inet_conn_request
),
1914 LIST_HEAD_INIT(security_hook_heads
.inet_csk_clone
),
1915 .inet_conn_established
=
1916 LIST_HEAD_INIT(security_hook_heads
.inet_conn_established
),
1917 .secmark_relabel_packet
=
1918 LIST_HEAD_INIT(security_hook_heads
.secmark_relabel_packet
),
1919 .secmark_refcount_inc
=
1920 LIST_HEAD_INIT(security_hook_heads
.secmark_refcount_inc
),
1921 .secmark_refcount_dec
=
1922 LIST_HEAD_INIT(security_hook_heads
.secmark_refcount_dec
),
1923 .req_classify_flow
=
1924 LIST_HEAD_INIT(security_hook_heads
.req_classify_flow
),
1925 .tun_dev_alloc_security
=
1926 LIST_HEAD_INIT(security_hook_heads
.tun_dev_alloc_security
),
1927 .tun_dev_free_security
=
1928 LIST_HEAD_INIT(security_hook_heads
.tun_dev_free_security
),
1930 LIST_HEAD_INIT(security_hook_heads
.tun_dev_create
),
1931 .tun_dev_attach_queue
=
1932 LIST_HEAD_INIT(security_hook_heads
.tun_dev_attach_queue
),
1934 LIST_HEAD_INIT(security_hook_heads
.tun_dev_attach
),
1935 .tun_dev_open
= LIST_HEAD_INIT(security_hook_heads
.tun_dev_open
),
1936 #endif /* CONFIG_SECURITY_NETWORK */
1937 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1938 .xfrm_policy_alloc_security
=
1939 LIST_HEAD_INIT(security_hook_heads
.xfrm_policy_alloc_security
),
1940 .xfrm_policy_clone_security
=
1941 LIST_HEAD_INIT(security_hook_heads
.xfrm_policy_clone_security
),
1942 .xfrm_policy_free_security
=
1943 LIST_HEAD_INIT(security_hook_heads
.xfrm_policy_free_security
),
1944 .xfrm_policy_delete_security
=
1945 LIST_HEAD_INIT(security_hook_heads
.xfrm_policy_delete_security
),
1947 LIST_HEAD_INIT(security_hook_heads
.xfrm_state_alloc
),
1948 .xfrm_state_alloc_acquire
=
1949 LIST_HEAD_INIT(security_hook_heads
.xfrm_state_alloc_acquire
),
1950 .xfrm_state_free_security
=
1951 LIST_HEAD_INIT(security_hook_heads
.xfrm_state_free_security
),
1952 .xfrm_state_delete_security
=
1953 LIST_HEAD_INIT(security_hook_heads
.xfrm_state_delete_security
),
1954 .xfrm_policy_lookup
=
1955 LIST_HEAD_INIT(security_hook_heads
.xfrm_policy_lookup
),
1956 .xfrm_state_pol_flow_match
=
1957 LIST_HEAD_INIT(security_hook_heads
.xfrm_state_pol_flow_match
),
1958 .xfrm_decode_session
=
1959 LIST_HEAD_INIT(security_hook_heads
.xfrm_decode_session
),
1960 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1962 .key_alloc
= LIST_HEAD_INIT(security_hook_heads
.key_alloc
),
1963 .key_free
= LIST_HEAD_INIT(security_hook_heads
.key_free
),
1965 LIST_HEAD_INIT(security_hook_heads
.key_permission
),
1967 LIST_HEAD_INIT(security_hook_heads
.key_getsecurity
),
1968 #endif /* CONFIG_KEYS */
1971 LIST_HEAD_INIT(security_hook_heads
.audit_rule_init
),
1973 LIST_HEAD_INIT(security_hook_heads
.audit_rule_known
),
1975 LIST_HEAD_INIT(security_hook_heads
.audit_rule_match
),
1977 LIST_HEAD_INIT(security_hook_heads
.audit_rule_free
),
1978 #endif /* CONFIG_AUDIT */