Linux 4.4.190
[linux/fpc-iii.git] / security / security.c
blob0dde287db5c5dd2935e0be069af9ab57636a5b71
1 /*
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>
28 #include <net/flow.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)
41 initcall_t *call;
42 call = __security_initcall_start;
43 while (call < __security_initcall_end) {
44 (*call) ();
45 call++;
49 /**
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();
62 yama_add_hooks();
65 * Load all the remaining security modules.
67 do_security_initcalls();
69 return 0;
72 /* Save user chosen LSM */
73 static int __init choose_lsm(char *str)
75 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
76 return 1;
78 __setup("security=", choose_lsm);
80 /**
81 * security_module_enable - Load given security module on boot ?
82 * @module: the name of the module
84 * Each LSM must pass this method before registering its own operations
85 * to avoid security registration races. This method may also be used
86 * to check if your LSM is currently loaded during kernel initialization.
88 * Return true if:
89 * -The passed LSM is the one chosen by user at boot time,
90 * -or the passed LSM is configured as the default and the user did not
91 * choose an alternate LSM at boot time.
92 * Otherwise, return false.
94 int __init security_module_enable(const char *module)
96 return !strcmp(module, chosen_lsm);
100 * Hook list operation macros.
102 * call_void_hook:
103 * This is a hook that does not return a value.
105 * call_int_hook:
106 * This is a hook that returns a value.
109 #define call_void_hook(FUNC, ...) \
110 do { \
111 struct security_hook_list *P; \
113 list_for_each_entry(P, &security_hook_heads.FUNC, list) \
114 P->hook.FUNC(__VA_ARGS__); \
115 } while (0)
117 #define call_int_hook(FUNC, IRC, ...) ({ \
118 int RC = IRC; \
119 do { \
120 struct security_hook_list *P; \
122 list_for_each_entry(P, &security_hook_heads.FUNC, list) { \
123 RC = P->hook.FUNC(__VA_ARGS__); \
124 if (RC != 0) \
125 break; \
127 } while (0); \
128 RC; \
131 /* Security operations */
133 int security_binder_set_context_mgr(struct task_struct *mgr)
135 return call_int_hook(binder_set_context_mgr, 0, mgr);
138 int security_binder_transaction(struct task_struct *from,
139 struct task_struct *to)
141 return call_int_hook(binder_transaction, 0, from, to);
144 int security_binder_transfer_binder(struct task_struct *from,
145 struct task_struct *to)
147 return call_int_hook(binder_transfer_binder, 0, from, to);
150 int security_binder_transfer_file(struct task_struct *from,
151 struct task_struct *to, struct file *file)
153 return call_int_hook(binder_transfer_file, 0, from, to, file);
156 int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
158 return call_int_hook(ptrace_access_check, 0, child, mode);
161 int security_ptrace_traceme(struct task_struct *parent)
163 return call_int_hook(ptrace_traceme, 0, parent);
166 int security_capget(struct task_struct *target,
167 kernel_cap_t *effective,
168 kernel_cap_t *inheritable,
169 kernel_cap_t *permitted)
171 return call_int_hook(capget, 0, target,
172 effective, inheritable, permitted);
175 int security_capset(struct cred *new, const struct cred *old,
176 const kernel_cap_t *effective,
177 const kernel_cap_t *inheritable,
178 const kernel_cap_t *permitted)
180 return call_int_hook(capset, 0, new, old,
181 effective, inheritable, permitted);
184 int security_capable(const struct cred *cred, struct user_namespace *ns,
185 int cap)
187 return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT);
190 int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
191 int cap)
193 return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT);
196 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
198 return call_int_hook(quotactl, 0, cmds, type, id, sb);
201 int security_quota_on(struct dentry *dentry)
203 return call_int_hook(quota_on, 0, dentry);
206 int security_syslog(int type)
208 return call_int_hook(syslog, 0, type);
211 int security_settime(const struct timespec *ts, const struct timezone *tz)
213 return call_int_hook(settime, 0, ts, tz);
216 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
218 struct security_hook_list *hp;
219 int cap_sys_admin = 1;
220 int rc;
223 * The module will respond with a positive value if
224 * it thinks the __vm_enough_memory() call should be
225 * made with the cap_sys_admin set. If all of the modules
226 * agree that it should be set it will. If any module
227 * thinks it should not be set it won't.
229 list_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) {
230 rc = hp->hook.vm_enough_memory(mm, pages);
231 if (rc <= 0) {
232 cap_sys_admin = 0;
233 break;
236 return __vm_enough_memory(mm, pages, cap_sys_admin);
239 int security_bprm_set_creds(struct linux_binprm *bprm)
241 return call_int_hook(bprm_set_creds, 0, bprm);
244 int security_bprm_check(struct linux_binprm *bprm)
246 int ret;
248 ret = call_int_hook(bprm_check_security, 0, bprm);
249 if (ret)
250 return ret;
251 return ima_bprm_check(bprm);
254 void security_bprm_committing_creds(struct linux_binprm *bprm)
256 call_void_hook(bprm_committing_creds, bprm);
259 void security_bprm_committed_creds(struct linux_binprm *bprm)
261 call_void_hook(bprm_committed_creds, bprm);
264 int security_bprm_secureexec(struct linux_binprm *bprm)
266 return call_int_hook(bprm_secureexec, 0, bprm);
269 int security_sb_alloc(struct super_block *sb)
271 return call_int_hook(sb_alloc_security, 0, sb);
274 void security_sb_free(struct super_block *sb)
276 call_void_hook(sb_free_security, sb);
279 int security_sb_copy_data(char *orig, char *copy)
281 return call_int_hook(sb_copy_data, 0, orig, copy);
283 EXPORT_SYMBOL(security_sb_copy_data);
285 int security_sb_remount(struct super_block *sb, void *data)
287 return call_int_hook(sb_remount, 0, sb, data);
290 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
292 return call_int_hook(sb_kern_mount, 0, sb, flags, data);
295 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
297 return call_int_hook(sb_show_options, 0, m, sb);
300 int security_sb_statfs(struct dentry *dentry)
302 return call_int_hook(sb_statfs, 0, dentry);
305 int security_sb_mount(const char *dev_name, struct path *path,
306 const char *type, unsigned long flags, void *data)
308 return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data);
311 int security_sb_umount(struct vfsmount *mnt, int flags)
313 return call_int_hook(sb_umount, 0, mnt, flags);
316 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
318 return call_int_hook(sb_pivotroot, 0, old_path, new_path);
321 int security_sb_set_mnt_opts(struct super_block *sb,
322 struct security_mnt_opts *opts,
323 unsigned long kern_flags,
324 unsigned long *set_kern_flags)
326 return call_int_hook(sb_set_mnt_opts,
327 opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb,
328 opts, kern_flags, set_kern_flags);
330 EXPORT_SYMBOL(security_sb_set_mnt_opts);
332 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
333 struct super_block *newsb)
335 return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb);
337 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
339 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
341 return call_int_hook(sb_parse_opts_str, 0, options, opts);
343 EXPORT_SYMBOL(security_sb_parse_opts_str);
345 int security_inode_alloc(struct inode *inode)
347 inode->i_security = NULL;
348 return call_int_hook(inode_alloc_security, 0, inode);
351 void security_inode_free(struct inode *inode)
353 integrity_inode_free(inode);
354 call_void_hook(inode_free_security, inode);
357 int security_dentry_init_security(struct dentry *dentry, int mode,
358 struct qstr *name, void **ctx,
359 u32 *ctxlen)
361 return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode,
362 name, ctx, ctxlen);
364 EXPORT_SYMBOL(security_dentry_init_security);
366 int security_inode_init_security(struct inode *inode, struct inode *dir,
367 const struct qstr *qstr,
368 const initxattrs initxattrs, void *fs_data)
370 struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
371 struct xattr *lsm_xattr, *evm_xattr, *xattr;
372 int ret;
374 if (unlikely(IS_PRIVATE(inode)))
375 return 0;
377 if (!initxattrs)
378 return call_int_hook(inode_init_security, -EOPNOTSUPP, inode,
379 dir, qstr, NULL, NULL, NULL);
380 memset(new_xattrs, 0, sizeof(new_xattrs));
381 lsm_xattr = new_xattrs;
382 ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr,
383 &lsm_xattr->name,
384 &lsm_xattr->value,
385 &lsm_xattr->value_len);
386 if (ret)
387 goto out;
389 evm_xattr = lsm_xattr + 1;
390 ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
391 if (ret)
392 goto out;
393 ret = initxattrs(inode, new_xattrs, fs_data);
394 out:
395 for (xattr = new_xattrs; xattr->value != NULL; xattr++)
396 kfree(xattr->value);
397 return (ret == -EOPNOTSUPP) ? 0 : ret;
399 EXPORT_SYMBOL(security_inode_init_security);
401 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
402 const struct qstr *qstr, const char **name,
403 void **value, size_t *len)
405 if (unlikely(IS_PRIVATE(inode)))
406 return -EOPNOTSUPP;
407 return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir,
408 qstr, name, value, len);
410 EXPORT_SYMBOL(security_old_inode_init_security);
412 #ifdef CONFIG_SECURITY_PATH
413 int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
414 unsigned int dev)
416 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
417 return 0;
418 return call_int_hook(path_mknod, 0, dir, dentry, mode, dev);
420 EXPORT_SYMBOL(security_path_mknod);
422 int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
424 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
425 return 0;
426 return call_int_hook(path_mkdir, 0, dir, dentry, mode);
428 EXPORT_SYMBOL(security_path_mkdir);
430 int security_path_rmdir(struct path *dir, struct dentry *dentry)
432 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
433 return 0;
434 return call_int_hook(path_rmdir, 0, dir, dentry);
437 int security_path_unlink(struct path *dir, struct dentry *dentry)
439 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
440 return 0;
441 return call_int_hook(path_unlink, 0, dir, dentry);
443 EXPORT_SYMBOL(security_path_unlink);
445 int security_path_symlink(struct path *dir, struct dentry *dentry,
446 const char *old_name)
448 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
449 return 0;
450 return call_int_hook(path_symlink, 0, dir, dentry, old_name);
453 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
454 struct dentry *new_dentry)
456 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
457 return 0;
458 return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
461 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
462 struct path *new_dir, struct dentry *new_dentry,
463 unsigned int flags)
465 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
466 (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
467 return 0;
469 if (flags & RENAME_EXCHANGE) {
470 int err = call_int_hook(path_rename, 0, new_dir, new_dentry,
471 old_dir, old_dentry);
472 if (err)
473 return err;
476 return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir,
477 new_dentry);
479 EXPORT_SYMBOL(security_path_rename);
481 int security_path_truncate(struct path *path)
483 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
484 return 0;
485 return call_int_hook(path_truncate, 0, path);
488 int security_path_chmod(struct path *path, umode_t mode)
490 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
491 return 0;
492 return call_int_hook(path_chmod, 0, path, mode);
495 int security_path_chown(struct path *path, kuid_t uid, kgid_t gid)
497 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
498 return 0;
499 return call_int_hook(path_chown, 0, path, uid, gid);
502 int security_path_chroot(struct path *path)
504 return call_int_hook(path_chroot, 0, path);
506 #endif
508 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
510 if (unlikely(IS_PRIVATE(dir)))
511 return 0;
512 return call_int_hook(inode_create, 0, dir, dentry, mode);
514 EXPORT_SYMBOL_GPL(security_inode_create);
516 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
517 struct dentry *new_dentry)
519 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
520 return 0;
521 return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry);
524 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
526 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
527 return 0;
528 return call_int_hook(inode_unlink, 0, dir, dentry);
531 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
532 const char *old_name)
534 if (unlikely(IS_PRIVATE(dir)))
535 return 0;
536 return call_int_hook(inode_symlink, 0, dir, dentry, old_name);
539 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
541 if (unlikely(IS_PRIVATE(dir)))
542 return 0;
543 return call_int_hook(inode_mkdir, 0, dir, dentry, mode);
545 EXPORT_SYMBOL_GPL(security_inode_mkdir);
547 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
549 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
550 return 0;
551 return call_int_hook(inode_rmdir, 0, dir, dentry);
554 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
556 if (unlikely(IS_PRIVATE(dir)))
557 return 0;
558 return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev);
561 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
562 struct inode *new_dir, struct dentry *new_dentry,
563 unsigned int flags)
565 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
566 (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
567 return 0;
569 if (flags & RENAME_EXCHANGE) {
570 int err = call_int_hook(inode_rename, 0, new_dir, new_dentry,
571 old_dir, old_dentry);
572 if (err)
573 return err;
576 return call_int_hook(inode_rename, 0, old_dir, old_dentry,
577 new_dir, new_dentry);
580 int security_inode_readlink(struct dentry *dentry)
582 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
583 return 0;
584 return call_int_hook(inode_readlink, 0, dentry);
587 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
588 bool rcu)
590 if (unlikely(IS_PRIVATE(inode)))
591 return 0;
592 return call_int_hook(inode_follow_link, 0, dentry, inode, rcu);
595 int security_inode_permission(struct inode *inode, int mask)
597 if (unlikely(IS_PRIVATE(inode)))
598 return 0;
599 return call_int_hook(inode_permission, 0, inode, mask);
602 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
604 int ret;
606 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
607 return 0;
608 ret = call_int_hook(inode_setattr, 0, dentry, attr);
609 if (ret)
610 return ret;
611 return evm_inode_setattr(dentry, attr);
613 EXPORT_SYMBOL_GPL(security_inode_setattr);
615 int security_inode_getattr(const struct path *path)
617 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
618 return 0;
619 return call_int_hook(inode_getattr, 0, path);
622 int security_inode_setxattr(struct dentry *dentry, const char *name,
623 const void *value, size_t size, int flags)
625 int ret;
627 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
628 return 0;
630 * SELinux and Smack integrate the cap call,
631 * so assume that all LSMs supplying this call do so.
633 ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size,
634 flags);
636 if (ret == 1)
637 ret = cap_inode_setxattr(dentry, name, value, size, flags);
638 if (ret)
639 return ret;
640 ret = ima_inode_setxattr(dentry, name, value, size);
641 if (ret)
642 return ret;
643 return evm_inode_setxattr(dentry, name, value, size);
646 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
647 const void *value, size_t size, int flags)
649 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
650 return;
651 call_void_hook(inode_post_setxattr, dentry, name, value, size, flags);
652 evm_inode_post_setxattr(dentry, name, value, size);
655 int security_inode_getxattr(struct dentry *dentry, const char *name)
657 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
658 return 0;
659 return call_int_hook(inode_getxattr, 0, dentry, name);
662 int security_inode_listxattr(struct dentry *dentry)
664 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
665 return 0;
666 return call_int_hook(inode_listxattr, 0, dentry);
669 int security_inode_removexattr(struct dentry *dentry, const char *name)
671 int ret;
673 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
674 return 0;
676 * SELinux and Smack integrate the cap call,
677 * so assume that all LSMs supplying this call do so.
679 ret = call_int_hook(inode_removexattr, 1, dentry, name);
680 if (ret == 1)
681 ret = cap_inode_removexattr(dentry, name);
682 if (ret)
683 return ret;
684 ret = ima_inode_removexattr(dentry, name);
685 if (ret)
686 return ret;
687 return evm_inode_removexattr(dentry, name);
690 int security_inode_need_killpriv(struct dentry *dentry)
692 return call_int_hook(inode_need_killpriv, 0, dentry);
695 int security_inode_killpriv(struct dentry *dentry)
697 return call_int_hook(inode_killpriv, 0, dentry);
700 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
702 if (unlikely(IS_PRIVATE(inode)))
703 return -EOPNOTSUPP;
704 return call_int_hook(inode_getsecurity, -EOPNOTSUPP, inode, name,
705 buffer, alloc);
708 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
710 if (unlikely(IS_PRIVATE(inode)))
711 return -EOPNOTSUPP;
712 return call_int_hook(inode_setsecurity, -EOPNOTSUPP, inode, name,
713 value, size, flags);
716 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
718 if (unlikely(IS_PRIVATE(inode)))
719 return 0;
720 return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size);
722 EXPORT_SYMBOL(security_inode_listsecurity);
724 void security_inode_getsecid(const struct inode *inode, u32 *secid)
726 call_void_hook(inode_getsecid, inode, secid);
729 int security_file_permission(struct file *file, int mask)
731 int ret;
733 ret = call_int_hook(file_permission, 0, file, mask);
734 if (ret)
735 return ret;
737 return fsnotify_perm(file, mask);
740 int security_file_alloc(struct file *file)
742 return call_int_hook(file_alloc_security, 0, file);
745 void security_file_free(struct file *file)
747 call_void_hook(file_free_security, file);
750 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
752 return call_int_hook(file_ioctl, 0, file, cmd, arg);
755 static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
758 * Does we have PROT_READ and does the application expect
759 * it to imply PROT_EXEC? If not, nothing to talk about...
761 if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ)
762 return prot;
763 if (!(current->personality & READ_IMPLIES_EXEC))
764 return prot;
766 * if that's an anonymous mapping, let it.
768 if (!file)
769 return prot | PROT_EXEC;
771 * ditto if it's not on noexec mount, except that on !MMU we need
772 * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
774 if (!path_noexec(&file->f_path)) {
775 #ifndef CONFIG_MMU
776 if (file->f_op->mmap_capabilities) {
777 unsigned caps = file->f_op->mmap_capabilities(file);
778 if (!(caps & NOMMU_MAP_EXEC))
779 return prot;
781 #endif
782 return prot | PROT_EXEC;
784 /* anything on noexec mount won't get PROT_EXEC */
785 return prot;
788 int security_mmap_file(struct file *file, unsigned long prot,
789 unsigned long flags)
791 int ret;
792 ret = call_int_hook(mmap_file, 0, file, prot,
793 mmap_prot(file, prot), flags);
794 if (ret)
795 return ret;
796 return ima_file_mmap(file, prot);
799 int security_mmap_addr(unsigned long addr)
801 return call_int_hook(mmap_addr, 0, addr);
804 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
805 unsigned long prot)
807 return call_int_hook(file_mprotect, 0, vma, reqprot, prot);
810 int security_file_lock(struct file *file, unsigned int cmd)
812 return call_int_hook(file_lock, 0, file, cmd);
815 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
817 return call_int_hook(file_fcntl, 0, file, cmd, arg);
820 void security_file_set_fowner(struct file *file)
822 call_void_hook(file_set_fowner, file);
825 int security_file_send_sigiotask(struct task_struct *tsk,
826 struct fown_struct *fown, int sig)
828 return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig);
831 int security_file_receive(struct file *file)
833 return call_int_hook(file_receive, 0, file);
836 int security_file_open(struct file *file, const struct cred *cred)
838 int ret;
840 ret = call_int_hook(file_open, 0, file, cred);
841 if (ret)
842 return ret;
844 return fsnotify_perm(file, MAY_OPEN);
847 int security_task_create(unsigned long clone_flags)
849 return call_int_hook(task_create, 0, clone_flags);
852 void security_task_free(struct task_struct *task)
854 call_void_hook(task_free, task);
857 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
859 return call_int_hook(cred_alloc_blank, 0, cred, gfp);
862 void security_cred_free(struct cred *cred)
865 * There is a failure case in prepare_creds() that
866 * may result in a call here with ->security being NULL.
868 if (unlikely(cred->security == NULL))
869 return;
871 call_void_hook(cred_free, cred);
874 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
876 return call_int_hook(cred_prepare, 0, new, old, gfp);
879 void security_transfer_creds(struct cred *new, const struct cred *old)
881 call_void_hook(cred_transfer, new, old);
884 int security_kernel_act_as(struct cred *new, u32 secid)
886 return call_int_hook(kernel_act_as, 0, new, secid);
889 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
891 return call_int_hook(kernel_create_files_as, 0, new, inode);
894 int security_kernel_fw_from_file(struct file *file, char *buf, size_t size)
896 int ret;
898 ret = call_int_hook(kernel_fw_from_file, 0, file, buf, size);
899 if (ret)
900 return ret;
901 return ima_fw_from_file(file, buf, size);
903 EXPORT_SYMBOL_GPL(security_kernel_fw_from_file);
905 int security_kernel_module_request(char *kmod_name)
907 return call_int_hook(kernel_module_request, 0, kmod_name);
910 int security_kernel_module_from_file(struct file *file)
912 int ret;
914 ret = call_int_hook(kernel_module_from_file, 0, file);
915 if (ret)
916 return ret;
917 return ima_module_check(file);
920 int security_task_fix_setuid(struct cred *new, const struct cred *old,
921 int flags)
923 return call_int_hook(task_fix_setuid, 0, new, old, flags);
926 int security_task_setpgid(struct task_struct *p, pid_t pgid)
928 return call_int_hook(task_setpgid, 0, p, pgid);
931 int security_task_getpgid(struct task_struct *p)
933 return call_int_hook(task_getpgid, 0, p);
936 int security_task_getsid(struct task_struct *p)
938 return call_int_hook(task_getsid, 0, p);
941 void security_task_getsecid(struct task_struct *p, u32 *secid)
943 *secid = 0;
944 call_void_hook(task_getsecid, p, secid);
946 EXPORT_SYMBOL(security_task_getsecid);
948 int security_task_setnice(struct task_struct *p, int nice)
950 return call_int_hook(task_setnice, 0, p, nice);
953 int security_task_setioprio(struct task_struct *p, int ioprio)
955 return call_int_hook(task_setioprio, 0, p, ioprio);
958 int security_task_getioprio(struct task_struct *p)
960 return call_int_hook(task_getioprio, 0, p);
963 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
964 struct rlimit *new_rlim)
966 return call_int_hook(task_setrlimit, 0, p, resource, new_rlim);
969 int security_task_setscheduler(struct task_struct *p)
971 return call_int_hook(task_setscheduler, 0, p);
974 int security_task_getscheduler(struct task_struct *p)
976 return call_int_hook(task_getscheduler, 0, p);
979 int security_task_movememory(struct task_struct *p)
981 return call_int_hook(task_movememory, 0, p);
984 int security_task_kill(struct task_struct *p, struct siginfo *info,
985 int sig, u32 secid)
987 return call_int_hook(task_kill, 0, p, info, sig, secid);
990 int security_task_wait(struct task_struct *p)
992 return call_int_hook(task_wait, 0, p);
995 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
996 unsigned long arg4, unsigned long arg5)
998 int thisrc;
999 int rc = -ENOSYS;
1000 struct security_hook_list *hp;
1002 list_for_each_entry(hp, &security_hook_heads.task_prctl, list) {
1003 thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5);
1004 if (thisrc != -ENOSYS) {
1005 rc = thisrc;
1006 if (thisrc != 0)
1007 break;
1010 return rc;
1013 void security_task_to_inode(struct task_struct *p, struct inode *inode)
1015 call_void_hook(task_to_inode, p, inode);
1018 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
1020 return call_int_hook(ipc_permission, 0, ipcp, flag);
1023 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1025 *secid = 0;
1026 call_void_hook(ipc_getsecid, ipcp, secid);
1029 int security_msg_msg_alloc(struct msg_msg *msg)
1031 return call_int_hook(msg_msg_alloc_security, 0, msg);
1034 void security_msg_msg_free(struct msg_msg *msg)
1036 call_void_hook(msg_msg_free_security, msg);
1039 int security_msg_queue_alloc(struct msg_queue *msq)
1041 return call_int_hook(msg_queue_alloc_security, 0, msq);
1044 void security_msg_queue_free(struct msg_queue *msq)
1046 call_void_hook(msg_queue_free_security, msq);
1049 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
1051 return call_int_hook(msg_queue_associate, 0, msq, msqflg);
1054 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
1056 return call_int_hook(msg_queue_msgctl, 0, msq, cmd);
1059 int security_msg_queue_msgsnd(struct msg_queue *msq,
1060 struct msg_msg *msg, int msqflg)
1062 return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg);
1065 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
1066 struct task_struct *target, long type, int mode)
1068 return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode);
1071 int security_shm_alloc(struct shmid_kernel *shp)
1073 return call_int_hook(shm_alloc_security, 0, shp);
1076 void security_shm_free(struct shmid_kernel *shp)
1078 call_void_hook(shm_free_security, shp);
1081 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
1083 return call_int_hook(shm_associate, 0, shp, shmflg);
1086 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
1088 return call_int_hook(shm_shmctl, 0, shp, cmd);
1091 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
1093 return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg);
1096 int security_sem_alloc(struct sem_array *sma)
1098 return call_int_hook(sem_alloc_security, 0, sma);
1101 void security_sem_free(struct sem_array *sma)
1103 call_void_hook(sem_free_security, sma);
1106 int security_sem_associate(struct sem_array *sma, int semflg)
1108 return call_int_hook(sem_associate, 0, sma, semflg);
1111 int security_sem_semctl(struct sem_array *sma, int cmd)
1113 return call_int_hook(sem_semctl, 0, sma, cmd);
1116 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
1117 unsigned nsops, int alter)
1119 return call_int_hook(sem_semop, 0, sma, sops, nsops, alter);
1122 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
1124 if (unlikely(inode && IS_PRIVATE(inode)))
1125 return;
1126 call_void_hook(d_instantiate, dentry, inode);
1128 EXPORT_SYMBOL(security_d_instantiate);
1130 int security_getprocattr(struct task_struct *p, char *name, char **value)
1132 return call_int_hook(getprocattr, -EINVAL, p, name, value);
1135 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
1137 return call_int_hook(setprocattr, -EINVAL, p, name, value, size);
1140 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1142 return call_int_hook(netlink_send, 0, sk, skb);
1145 int security_ismaclabel(const char *name)
1147 return call_int_hook(ismaclabel, 0, name);
1149 EXPORT_SYMBOL(security_ismaclabel);
1151 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1153 return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata,
1154 seclen);
1156 EXPORT_SYMBOL(security_secid_to_secctx);
1158 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
1160 *secid = 0;
1161 return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid);
1163 EXPORT_SYMBOL(security_secctx_to_secid);
1165 void security_release_secctx(char *secdata, u32 seclen)
1167 call_void_hook(release_secctx, secdata, seclen);
1169 EXPORT_SYMBOL(security_release_secctx);
1171 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1173 return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen);
1175 EXPORT_SYMBOL(security_inode_notifysecctx);
1177 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1179 return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen);
1181 EXPORT_SYMBOL(security_inode_setsecctx);
1183 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1185 return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen);
1187 EXPORT_SYMBOL(security_inode_getsecctx);
1189 #ifdef CONFIG_SECURITY_NETWORK
1191 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
1193 return call_int_hook(unix_stream_connect, 0, sock, other, newsk);
1195 EXPORT_SYMBOL(security_unix_stream_connect);
1197 int security_unix_may_send(struct socket *sock, struct socket *other)
1199 return call_int_hook(unix_may_send, 0, sock, other);
1201 EXPORT_SYMBOL(security_unix_may_send);
1203 int security_socket_create(int family, int type, int protocol, int kern)
1205 return call_int_hook(socket_create, 0, family, type, protocol, kern);
1208 int security_socket_post_create(struct socket *sock, int family,
1209 int type, int protocol, int kern)
1211 return call_int_hook(socket_post_create, 0, sock, family, type,
1212 protocol, kern);
1215 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1217 return call_int_hook(socket_bind, 0, sock, address, addrlen);
1220 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1222 return call_int_hook(socket_connect, 0, sock, address, addrlen);
1225 int security_socket_listen(struct socket *sock, int backlog)
1227 return call_int_hook(socket_listen, 0, sock, backlog);
1230 int security_socket_accept(struct socket *sock, struct socket *newsock)
1232 return call_int_hook(socket_accept, 0, sock, newsock);
1235 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1237 return call_int_hook(socket_sendmsg, 0, sock, msg, size);
1240 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1241 int size, int flags)
1243 return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags);
1246 int security_socket_getsockname(struct socket *sock)
1248 return call_int_hook(socket_getsockname, 0, sock);
1251 int security_socket_getpeername(struct socket *sock)
1253 return call_int_hook(socket_getpeername, 0, sock);
1256 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1258 return call_int_hook(socket_getsockopt, 0, sock, level, optname);
1261 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1263 return call_int_hook(socket_setsockopt, 0, sock, level, optname);
1266 int security_socket_shutdown(struct socket *sock, int how)
1268 return call_int_hook(socket_shutdown, 0, sock, how);
1271 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1273 return call_int_hook(socket_sock_rcv_skb, 0, sk, skb);
1275 EXPORT_SYMBOL(security_sock_rcv_skb);
1277 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1278 int __user *optlen, unsigned len)
1280 return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock,
1281 optval, optlen, len);
1284 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1286 return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock,
1287 skb, secid);
1289 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1291 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1293 return call_int_hook(sk_alloc_security, 0, sk, family, priority);
1296 void security_sk_free(struct sock *sk)
1298 call_void_hook(sk_free_security, sk);
1301 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1303 call_void_hook(sk_clone_security, sk, newsk);
1305 EXPORT_SYMBOL(security_sk_clone);
1307 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1309 call_void_hook(sk_getsecid, sk, &fl->flowi_secid);
1311 EXPORT_SYMBOL(security_sk_classify_flow);
1313 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1315 call_void_hook(req_classify_flow, req, fl);
1317 EXPORT_SYMBOL(security_req_classify_flow);
1319 void security_sock_graft(struct sock *sk, struct socket *parent)
1321 call_void_hook(sock_graft, sk, parent);
1323 EXPORT_SYMBOL(security_sock_graft);
1325 int security_inet_conn_request(struct sock *sk,
1326 struct sk_buff *skb, struct request_sock *req)
1328 return call_int_hook(inet_conn_request, 0, sk, skb, req);
1330 EXPORT_SYMBOL(security_inet_conn_request);
1332 void security_inet_csk_clone(struct sock *newsk,
1333 const struct request_sock *req)
1335 call_void_hook(inet_csk_clone, newsk, req);
1338 void security_inet_conn_established(struct sock *sk,
1339 struct sk_buff *skb)
1341 call_void_hook(inet_conn_established, sk, skb);
1344 int security_secmark_relabel_packet(u32 secid)
1346 return call_int_hook(secmark_relabel_packet, 0, secid);
1348 EXPORT_SYMBOL(security_secmark_relabel_packet);
1350 void security_secmark_refcount_inc(void)
1352 call_void_hook(secmark_refcount_inc);
1354 EXPORT_SYMBOL(security_secmark_refcount_inc);
1356 void security_secmark_refcount_dec(void)
1358 call_void_hook(secmark_refcount_dec);
1360 EXPORT_SYMBOL(security_secmark_refcount_dec);
1362 int security_tun_dev_alloc_security(void **security)
1364 return call_int_hook(tun_dev_alloc_security, 0, security);
1366 EXPORT_SYMBOL(security_tun_dev_alloc_security);
1368 void security_tun_dev_free_security(void *security)
1370 call_void_hook(tun_dev_free_security, security);
1372 EXPORT_SYMBOL(security_tun_dev_free_security);
1374 int security_tun_dev_create(void)
1376 return call_int_hook(tun_dev_create, 0);
1378 EXPORT_SYMBOL(security_tun_dev_create);
1380 int security_tun_dev_attach_queue(void *security)
1382 return call_int_hook(tun_dev_attach_queue, 0, security);
1384 EXPORT_SYMBOL(security_tun_dev_attach_queue);
1386 int security_tun_dev_attach(struct sock *sk, void *security)
1388 return call_int_hook(tun_dev_attach, 0, sk, security);
1390 EXPORT_SYMBOL(security_tun_dev_attach);
1392 int security_tun_dev_open(void *security)
1394 return call_int_hook(tun_dev_open, 0, security);
1396 EXPORT_SYMBOL(security_tun_dev_open);
1398 #endif /* CONFIG_SECURITY_NETWORK */
1400 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1402 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1403 struct xfrm_user_sec_ctx *sec_ctx,
1404 gfp_t gfp)
1406 return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp);
1408 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1410 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1411 struct xfrm_sec_ctx **new_ctxp)
1413 return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp);
1416 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1418 call_void_hook(xfrm_policy_free_security, ctx);
1420 EXPORT_SYMBOL(security_xfrm_policy_free);
1422 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1424 return call_int_hook(xfrm_policy_delete_security, 0, ctx);
1427 int security_xfrm_state_alloc(struct xfrm_state *x,
1428 struct xfrm_user_sec_ctx *sec_ctx)
1430 return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx);
1432 EXPORT_SYMBOL(security_xfrm_state_alloc);
1434 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1435 struct xfrm_sec_ctx *polsec, u32 secid)
1437 return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid);
1440 int security_xfrm_state_delete(struct xfrm_state *x)
1442 return call_int_hook(xfrm_state_delete_security, 0, x);
1444 EXPORT_SYMBOL(security_xfrm_state_delete);
1446 void security_xfrm_state_free(struct xfrm_state *x)
1448 call_void_hook(xfrm_state_free_security, x);
1451 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1453 return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir);
1456 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1457 struct xfrm_policy *xp,
1458 const struct flowi *fl)
1460 struct security_hook_list *hp;
1461 int rc = 1;
1464 * Since this function is expected to return 0 or 1, the judgment
1465 * becomes difficult if multiple LSMs supply this call. Fortunately,
1466 * we can use the first LSM's judgment because currently only SELinux
1467 * supplies this call.
1469 * For speed optimization, we explicitly break the loop rather than
1470 * using the macro
1472 list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match,
1473 list) {
1474 rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl);
1475 break;
1477 return rc;
1480 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1482 return call_int_hook(xfrm_decode_session, 0, skb, secid, 1);
1485 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1487 int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid,
1490 BUG_ON(rc);
1492 EXPORT_SYMBOL(security_skb_classify_flow);
1494 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1496 #ifdef CONFIG_KEYS
1498 int security_key_alloc(struct key *key, const struct cred *cred,
1499 unsigned long flags)
1501 return call_int_hook(key_alloc, 0, key, cred, flags);
1504 void security_key_free(struct key *key)
1506 call_void_hook(key_free, key);
1509 int security_key_permission(key_ref_t key_ref,
1510 const struct cred *cred, unsigned perm)
1512 return call_int_hook(key_permission, 0, key_ref, cred, perm);
1515 int security_key_getsecurity(struct key *key, char **_buffer)
1517 *_buffer = NULL;
1518 return call_int_hook(key_getsecurity, 0, key, _buffer);
1521 #endif /* CONFIG_KEYS */
1523 #ifdef CONFIG_AUDIT
1525 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1527 return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule);
1530 int security_audit_rule_known(struct audit_krule *krule)
1532 return call_int_hook(audit_rule_known, 0, krule);
1535 void security_audit_rule_free(void *lsmrule)
1537 call_void_hook(audit_rule_free, lsmrule);
1540 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1541 struct audit_context *actx)
1543 return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule,
1544 actx);
1546 #endif /* CONFIG_AUDIT */
1548 struct security_hook_heads security_hook_heads = {
1549 .binder_set_context_mgr =
1550 LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr),
1551 .binder_transaction =
1552 LIST_HEAD_INIT(security_hook_heads.binder_transaction),
1553 .binder_transfer_binder =
1554 LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder),
1555 .binder_transfer_file =
1556 LIST_HEAD_INIT(security_hook_heads.binder_transfer_file),
1558 .ptrace_access_check =
1559 LIST_HEAD_INIT(security_hook_heads.ptrace_access_check),
1560 .ptrace_traceme =
1561 LIST_HEAD_INIT(security_hook_heads.ptrace_traceme),
1562 .capget = LIST_HEAD_INIT(security_hook_heads.capget),
1563 .capset = LIST_HEAD_INIT(security_hook_heads.capset),
1564 .capable = LIST_HEAD_INIT(security_hook_heads.capable),
1565 .quotactl = LIST_HEAD_INIT(security_hook_heads.quotactl),
1566 .quota_on = LIST_HEAD_INIT(security_hook_heads.quota_on),
1567 .syslog = LIST_HEAD_INIT(security_hook_heads.syslog),
1568 .settime = LIST_HEAD_INIT(security_hook_heads.settime),
1569 .vm_enough_memory =
1570 LIST_HEAD_INIT(security_hook_heads.vm_enough_memory),
1571 .bprm_set_creds =
1572 LIST_HEAD_INIT(security_hook_heads.bprm_set_creds),
1573 .bprm_check_security =
1574 LIST_HEAD_INIT(security_hook_heads.bprm_check_security),
1575 .bprm_secureexec =
1576 LIST_HEAD_INIT(security_hook_heads.bprm_secureexec),
1577 .bprm_committing_creds =
1578 LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds),
1579 .bprm_committed_creds =
1580 LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds),
1581 .sb_alloc_security =
1582 LIST_HEAD_INIT(security_hook_heads.sb_alloc_security),
1583 .sb_free_security =
1584 LIST_HEAD_INIT(security_hook_heads.sb_free_security),
1585 .sb_copy_data = LIST_HEAD_INIT(security_hook_heads.sb_copy_data),
1586 .sb_remount = LIST_HEAD_INIT(security_hook_heads.sb_remount),
1587 .sb_kern_mount =
1588 LIST_HEAD_INIT(security_hook_heads.sb_kern_mount),
1589 .sb_show_options =
1590 LIST_HEAD_INIT(security_hook_heads.sb_show_options),
1591 .sb_statfs = LIST_HEAD_INIT(security_hook_heads.sb_statfs),
1592 .sb_mount = LIST_HEAD_INIT(security_hook_heads.sb_mount),
1593 .sb_umount = LIST_HEAD_INIT(security_hook_heads.sb_umount),
1594 .sb_pivotroot = LIST_HEAD_INIT(security_hook_heads.sb_pivotroot),
1595 .sb_set_mnt_opts =
1596 LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts),
1597 .sb_clone_mnt_opts =
1598 LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts),
1599 .sb_parse_opts_str =
1600 LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str),
1601 .dentry_init_security =
1602 LIST_HEAD_INIT(security_hook_heads.dentry_init_security),
1603 #ifdef CONFIG_SECURITY_PATH
1604 .path_unlink = LIST_HEAD_INIT(security_hook_heads.path_unlink),
1605 .path_mkdir = LIST_HEAD_INIT(security_hook_heads.path_mkdir),
1606 .path_rmdir = LIST_HEAD_INIT(security_hook_heads.path_rmdir),
1607 .path_mknod = LIST_HEAD_INIT(security_hook_heads.path_mknod),
1608 .path_truncate =
1609 LIST_HEAD_INIT(security_hook_heads.path_truncate),
1610 .path_symlink = LIST_HEAD_INIT(security_hook_heads.path_symlink),
1611 .path_link = LIST_HEAD_INIT(security_hook_heads.path_link),
1612 .path_rename = LIST_HEAD_INIT(security_hook_heads.path_rename),
1613 .path_chmod = LIST_HEAD_INIT(security_hook_heads.path_chmod),
1614 .path_chown = LIST_HEAD_INIT(security_hook_heads.path_chown),
1615 .path_chroot = LIST_HEAD_INIT(security_hook_heads.path_chroot),
1616 #endif
1617 .inode_alloc_security =
1618 LIST_HEAD_INIT(security_hook_heads.inode_alloc_security),
1619 .inode_free_security =
1620 LIST_HEAD_INIT(security_hook_heads.inode_free_security),
1621 .inode_init_security =
1622 LIST_HEAD_INIT(security_hook_heads.inode_init_security),
1623 .inode_create = LIST_HEAD_INIT(security_hook_heads.inode_create),
1624 .inode_link = LIST_HEAD_INIT(security_hook_heads.inode_link),
1625 .inode_unlink = LIST_HEAD_INIT(security_hook_heads.inode_unlink),
1626 .inode_symlink =
1627 LIST_HEAD_INIT(security_hook_heads.inode_symlink),
1628 .inode_mkdir = LIST_HEAD_INIT(security_hook_heads.inode_mkdir),
1629 .inode_rmdir = LIST_HEAD_INIT(security_hook_heads.inode_rmdir),
1630 .inode_mknod = LIST_HEAD_INIT(security_hook_heads.inode_mknod),
1631 .inode_rename = LIST_HEAD_INIT(security_hook_heads.inode_rename),
1632 .inode_readlink =
1633 LIST_HEAD_INIT(security_hook_heads.inode_readlink),
1634 .inode_follow_link =
1635 LIST_HEAD_INIT(security_hook_heads.inode_follow_link),
1636 .inode_permission =
1637 LIST_HEAD_INIT(security_hook_heads.inode_permission),
1638 .inode_setattr =
1639 LIST_HEAD_INIT(security_hook_heads.inode_setattr),
1640 .inode_getattr =
1641 LIST_HEAD_INIT(security_hook_heads.inode_getattr),
1642 .inode_setxattr =
1643 LIST_HEAD_INIT(security_hook_heads.inode_setxattr),
1644 .inode_post_setxattr =
1645 LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr),
1646 .inode_getxattr =
1647 LIST_HEAD_INIT(security_hook_heads.inode_getxattr),
1648 .inode_listxattr =
1649 LIST_HEAD_INIT(security_hook_heads.inode_listxattr),
1650 .inode_removexattr =
1651 LIST_HEAD_INIT(security_hook_heads.inode_removexattr),
1652 .inode_need_killpriv =
1653 LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv),
1654 .inode_killpriv =
1655 LIST_HEAD_INIT(security_hook_heads.inode_killpriv),
1656 .inode_getsecurity =
1657 LIST_HEAD_INIT(security_hook_heads.inode_getsecurity),
1658 .inode_setsecurity =
1659 LIST_HEAD_INIT(security_hook_heads.inode_setsecurity),
1660 .inode_listsecurity =
1661 LIST_HEAD_INIT(security_hook_heads.inode_listsecurity),
1662 .inode_getsecid =
1663 LIST_HEAD_INIT(security_hook_heads.inode_getsecid),
1664 .file_permission =
1665 LIST_HEAD_INIT(security_hook_heads.file_permission),
1666 .file_alloc_security =
1667 LIST_HEAD_INIT(security_hook_heads.file_alloc_security),
1668 .file_free_security =
1669 LIST_HEAD_INIT(security_hook_heads.file_free_security),
1670 .file_ioctl = LIST_HEAD_INIT(security_hook_heads.file_ioctl),
1671 .mmap_addr = LIST_HEAD_INIT(security_hook_heads.mmap_addr),
1672 .mmap_file = LIST_HEAD_INIT(security_hook_heads.mmap_file),
1673 .file_mprotect =
1674 LIST_HEAD_INIT(security_hook_heads.file_mprotect),
1675 .file_lock = LIST_HEAD_INIT(security_hook_heads.file_lock),
1676 .file_fcntl = LIST_HEAD_INIT(security_hook_heads.file_fcntl),
1677 .file_set_fowner =
1678 LIST_HEAD_INIT(security_hook_heads.file_set_fowner),
1679 .file_send_sigiotask =
1680 LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask),
1681 .file_receive = LIST_HEAD_INIT(security_hook_heads.file_receive),
1682 .file_open = LIST_HEAD_INIT(security_hook_heads.file_open),
1683 .task_create = LIST_HEAD_INIT(security_hook_heads.task_create),
1684 .task_free = LIST_HEAD_INIT(security_hook_heads.task_free),
1685 .cred_alloc_blank =
1686 LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank),
1687 .cred_free = LIST_HEAD_INIT(security_hook_heads.cred_free),
1688 .cred_prepare = LIST_HEAD_INIT(security_hook_heads.cred_prepare),
1689 .cred_transfer =
1690 LIST_HEAD_INIT(security_hook_heads.cred_transfer),
1691 .kernel_act_as =
1692 LIST_HEAD_INIT(security_hook_heads.kernel_act_as),
1693 .kernel_create_files_as =
1694 LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as),
1695 .kernel_fw_from_file =
1696 LIST_HEAD_INIT(security_hook_heads.kernel_fw_from_file),
1697 .kernel_module_request =
1698 LIST_HEAD_INIT(security_hook_heads.kernel_module_request),
1699 .kernel_module_from_file =
1700 LIST_HEAD_INIT(security_hook_heads.kernel_module_from_file),
1701 .task_fix_setuid =
1702 LIST_HEAD_INIT(security_hook_heads.task_fix_setuid),
1703 .task_setpgid = LIST_HEAD_INIT(security_hook_heads.task_setpgid),
1704 .task_getpgid = LIST_HEAD_INIT(security_hook_heads.task_getpgid),
1705 .task_getsid = LIST_HEAD_INIT(security_hook_heads.task_getsid),
1706 .task_getsecid =
1707 LIST_HEAD_INIT(security_hook_heads.task_getsecid),
1708 .task_setnice = LIST_HEAD_INIT(security_hook_heads.task_setnice),
1709 .task_setioprio =
1710 LIST_HEAD_INIT(security_hook_heads.task_setioprio),
1711 .task_getioprio =
1712 LIST_HEAD_INIT(security_hook_heads.task_getioprio),
1713 .task_setrlimit =
1714 LIST_HEAD_INIT(security_hook_heads.task_setrlimit),
1715 .task_setscheduler =
1716 LIST_HEAD_INIT(security_hook_heads.task_setscheduler),
1717 .task_getscheduler =
1718 LIST_HEAD_INIT(security_hook_heads.task_getscheduler),
1719 .task_movememory =
1720 LIST_HEAD_INIT(security_hook_heads.task_movememory),
1721 .task_kill = LIST_HEAD_INIT(security_hook_heads.task_kill),
1722 .task_wait = LIST_HEAD_INIT(security_hook_heads.task_wait),
1723 .task_prctl = LIST_HEAD_INIT(security_hook_heads.task_prctl),
1724 .task_to_inode =
1725 LIST_HEAD_INIT(security_hook_heads.task_to_inode),
1726 .ipc_permission =
1727 LIST_HEAD_INIT(security_hook_heads.ipc_permission),
1728 .ipc_getsecid = LIST_HEAD_INIT(security_hook_heads.ipc_getsecid),
1729 .msg_msg_alloc_security =
1730 LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security),
1731 .msg_msg_free_security =
1732 LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security),
1733 .msg_queue_alloc_security =
1734 LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security),
1735 .msg_queue_free_security =
1736 LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security),
1737 .msg_queue_associate =
1738 LIST_HEAD_INIT(security_hook_heads.msg_queue_associate),
1739 .msg_queue_msgctl =
1740 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl),
1741 .msg_queue_msgsnd =
1742 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd),
1743 .msg_queue_msgrcv =
1744 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv),
1745 .shm_alloc_security =
1746 LIST_HEAD_INIT(security_hook_heads.shm_alloc_security),
1747 .shm_free_security =
1748 LIST_HEAD_INIT(security_hook_heads.shm_free_security),
1749 .shm_associate =
1750 LIST_HEAD_INIT(security_hook_heads.shm_associate),
1751 .shm_shmctl = LIST_HEAD_INIT(security_hook_heads.shm_shmctl),
1752 .shm_shmat = LIST_HEAD_INIT(security_hook_heads.shm_shmat),
1753 .sem_alloc_security =
1754 LIST_HEAD_INIT(security_hook_heads.sem_alloc_security),
1755 .sem_free_security =
1756 LIST_HEAD_INIT(security_hook_heads.sem_free_security),
1757 .sem_associate =
1758 LIST_HEAD_INIT(security_hook_heads.sem_associate),
1759 .sem_semctl = LIST_HEAD_INIT(security_hook_heads.sem_semctl),
1760 .sem_semop = LIST_HEAD_INIT(security_hook_heads.sem_semop),
1761 .netlink_send = LIST_HEAD_INIT(security_hook_heads.netlink_send),
1762 .d_instantiate =
1763 LIST_HEAD_INIT(security_hook_heads.d_instantiate),
1764 .getprocattr = LIST_HEAD_INIT(security_hook_heads.getprocattr),
1765 .setprocattr = LIST_HEAD_INIT(security_hook_heads.setprocattr),
1766 .ismaclabel = LIST_HEAD_INIT(security_hook_heads.ismaclabel),
1767 .secid_to_secctx =
1768 LIST_HEAD_INIT(security_hook_heads.secid_to_secctx),
1769 .secctx_to_secid =
1770 LIST_HEAD_INIT(security_hook_heads.secctx_to_secid),
1771 .release_secctx =
1772 LIST_HEAD_INIT(security_hook_heads.release_secctx),
1773 .inode_notifysecctx =
1774 LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx),
1775 .inode_setsecctx =
1776 LIST_HEAD_INIT(security_hook_heads.inode_setsecctx),
1777 .inode_getsecctx =
1778 LIST_HEAD_INIT(security_hook_heads.inode_getsecctx),
1779 #ifdef CONFIG_SECURITY_NETWORK
1780 .unix_stream_connect =
1781 LIST_HEAD_INIT(security_hook_heads.unix_stream_connect),
1782 .unix_may_send =
1783 LIST_HEAD_INIT(security_hook_heads.unix_may_send),
1784 .socket_create =
1785 LIST_HEAD_INIT(security_hook_heads.socket_create),
1786 .socket_post_create =
1787 LIST_HEAD_INIT(security_hook_heads.socket_post_create),
1788 .socket_bind = LIST_HEAD_INIT(security_hook_heads.socket_bind),
1789 .socket_connect =
1790 LIST_HEAD_INIT(security_hook_heads.socket_connect),
1791 .socket_listen =
1792 LIST_HEAD_INIT(security_hook_heads.socket_listen),
1793 .socket_accept =
1794 LIST_HEAD_INIT(security_hook_heads.socket_accept),
1795 .socket_sendmsg =
1796 LIST_HEAD_INIT(security_hook_heads.socket_sendmsg),
1797 .socket_recvmsg =
1798 LIST_HEAD_INIT(security_hook_heads.socket_recvmsg),
1799 .socket_getsockname =
1800 LIST_HEAD_INIT(security_hook_heads.socket_getsockname),
1801 .socket_getpeername =
1802 LIST_HEAD_INIT(security_hook_heads.socket_getpeername),
1803 .socket_getsockopt =
1804 LIST_HEAD_INIT(security_hook_heads.socket_getsockopt),
1805 .socket_setsockopt =
1806 LIST_HEAD_INIT(security_hook_heads.socket_setsockopt),
1807 .socket_shutdown =
1808 LIST_HEAD_INIT(security_hook_heads.socket_shutdown),
1809 .socket_sock_rcv_skb =
1810 LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb),
1811 .socket_getpeersec_stream =
1812 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream),
1813 .socket_getpeersec_dgram =
1814 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram),
1815 .sk_alloc_security =
1816 LIST_HEAD_INIT(security_hook_heads.sk_alloc_security),
1817 .sk_free_security =
1818 LIST_HEAD_INIT(security_hook_heads.sk_free_security),
1819 .sk_clone_security =
1820 LIST_HEAD_INIT(security_hook_heads.sk_clone_security),
1821 .sk_getsecid = LIST_HEAD_INIT(security_hook_heads.sk_getsecid),
1822 .sock_graft = LIST_HEAD_INIT(security_hook_heads.sock_graft),
1823 .inet_conn_request =
1824 LIST_HEAD_INIT(security_hook_heads.inet_conn_request),
1825 .inet_csk_clone =
1826 LIST_HEAD_INIT(security_hook_heads.inet_csk_clone),
1827 .inet_conn_established =
1828 LIST_HEAD_INIT(security_hook_heads.inet_conn_established),
1829 .secmark_relabel_packet =
1830 LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet),
1831 .secmark_refcount_inc =
1832 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc),
1833 .secmark_refcount_dec =
1834 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec),
1835 .req_classify_flow =
1836 LIST_HEAD_INIT(security_hook_heads.req_classify_flow),
1837 .tun_dev_alloc_security =
1838 LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security),
1839 .tun_dev_free_security =
1840 LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security),
1841 .tun_dev_create =
1842 LIST_HEAD_INIT(security_hook_heads.tun_dev_create),
1843 .tun_dev_attach_queue =
1844 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue),
1845 .tun_dev_attach =
1846 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach),
1847 .tun_dev_open = LIST_HEAD_INIT(security_hook_heads.tun_dev_open),
1848 .skb_owned_by = LIST_HEAD_INIT(security_hook_heads.skb_owned_by),
1849 #endif /* CONFIG_SECURITY_NETWORK */
1850 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1851 .xfrm_policy_alloc_security =
1852 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security),
1853 .xfrm_policy_clone_security =
1854 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security),
1855 .xfrm_policy_free_security =
1856 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security),
1857 .xfrm_policy_delete_security =
1858 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security),
1859 .xfrm_state_alloc =
1860 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc),
1861 .xfrm_state_alloc_acquire =
1862 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire),
1863 .xfrm_state_free_security =
1864 LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security),
1865 .xfrm_state_delete_security =
1866 LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security),
1867 .xfrm_policy_lookup =
1868 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup),
1869 .xfrm_state_pol_flow_match =
1870 LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match),
1871 .xfrm_decode_session =
1872 LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session),
1873 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1874 #ifdef CONFIG_KEYS
1875 .key_alloc = LIST_HEAD_INIT(security_hook_heads.key_alloc),
1876 .key_free = LIST_HEAD_INIT(security_hook_heads.key_free),
1877 .key_permission =
1878 LIST_HEAD_INIT(security_hook_heads.key_permission),
1879 .key_getsecurity =
1880 LIST_HEAD_INIT(security_hook_heads.key_getsecurity),
1881 #endif /* CONFIG_KEYS */
1882 #ifdef CONFIG_AUDIT
1883 .audit_rule_init =
1884 LIST_HEAD_INIT(security_hook_heads.audit_rule_init),
1885 .audit_rule_known =
1886 LIST_HEAD_INIT(security_hook_heads.audit_rule_known),
1887 .audit_rule_match =
1888 LIST_HEAD_INIT(security_hook_heads.audit_rule_match),
1889 .audit_rule_free =
1890 LIST_HEAD_INIT(security_hook_heads.audit_rule_free),
1891 #endif /* CONFIG_AUDIT */