usb: host: Distinguish Kconfig text for Freescale controllers
[zen-stable.git] / security / security.c
blobd7542493454d457ac15118bbd3e126e8b104043f
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/module.h>
16 #include <linux/init.h>
17 #include <linux/kernel.h>
18 #include <linux/security.h>
19 #include <linux/integrity.h>
20 #include <linux/ima.h>
21 #include <linux/evm.h>
23 #define MAX_LSM_EVM_XATTR 2
25 /* Boot-time LSM user choice */
26 static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
27 CONFIG_DEFAULT_SECURITY;
29 static struct security_operations *security_ops;
30 static struct security_operations default_security_ops = {
31 .name = "default",
34 static inline int __init verify(struct security_operations *ops)
36 /* verify the security_operations structure exists */
37 if (!ops)
38 return -EINVAL;
39 security_fixup_ops(ops);
40 return 0;
43 static void __init do_security_initcalls(void)
45 initcall_t *call;
46 call = __security_initcall_start;
47 while (call < __security_initcall_end) {
48 (*call) ();
49 call++;
53 /**
54 * security_init - initializes the security framework
56 * This should be called early in the kernel initialization sequence.
58 int __init security_init(void)
60 printk(KERN_INFO "Security Framework initialized\n");
62 security_fixup_ops(&default_security_ops);
63 security_ops = &default_security_ops;
64 do_security_initcalls();
66 return 0;
69 void reset_security_ops(void)
71 security_ops = &default_security_ops;
74 /* Save user chosen LSM */
75 static int __init choose_lsm(char *str)
77 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
78 return 1;
80 __setup("security=", choose_lsm);
82 /**
83 * security_module_enable - Load given security module on boot ?
84 * @ops: a pointer to the struct security_operations that is to be checked.
86 * Each LSM must pass this method before registering its own operations
87 * to avoid security registration races. This method may also be used
88 * to check if your LSM is currently loaded during kernel initialization.
90 * Return true if:
91 * -The passed LSM is the one chosen by user at boot time,
92 * -or the passed LSM is configured as the default and the user did not
93 * choose an alternate LSM at boot time.
94 * Otherwise, return false.
96 int __init security_module_enable(struct security_operations *ops)
98 return !strcmp(ops->name, chosen_lsm);
102 * register_security - registers a security framework with the kernel
103 * @ops: a pointer to the struct security_options that is to be registered
105 * This function allows a security module to register itself with the
106 * kernel security subsystem. Some rudimentary checking is done on the @ops
107 * value passed to this function. You'll need to check first if your LSM
108 * is allowed to register its @ops by calling security_module_enable(@ops).
110 * If there is already a security module registered with the kernel,
111 * an error will be returned. Otherwise %0 is returned on success.
113 int __init register_security(struct security_operations *ops)
115 if (verify(ops)) {
116 printk(KERN_DEBUG "%s could not verify "
117 "security_operations structure.\n", __func__);
118 return -EINVAL;
121 if (security_ops != &default_security_ops)
122 return -EAGAIN;
124 security_ops = ops;
126 return 0;
129 /* Security operations */
131 int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
133 return security_ops->ptrace_access_check(child, mode);
136 int security_ptrace_traceme(struct task_struct *parent)
138 return security_ops->ptrace_traceme(parent);
141 int security_capget(struct task_struct *target,
142 kernel_cap_t *effective,
143 kernel_cap_t *inheritable,
144 kernel_cap_t *permitted)
146 return security_ops->capget(target, effective, inheritable, permitted);
149 int security_capset(struct cred *new, const struct cred *old,
150 const kernel_cap_t *effective,
151 const kernel_cap_t *inheritable,
152 const kernel_cap_t *permitted)
154 return security_ops->capset(new, old,
155 effective, inheritable, permitted);
158 int security_capable(const struct cred *cred, struct user_namespace *ns,
159 int cap)
161 return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT);
164 int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
165 int cap)
167 return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
170 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
172 return security_ops->quotactl(cmds, type, id, sb);
175 int security_quota_on(struct dentry *dentry)
177 return security_ops->quota_on(dentry);
180 int security_syslog(int type)
182 return security_ops->syslog(type);
185 int security_settime(const struct timespec *ts, const struct timezone *tz)
187 return security_ops->settime(ts, tz);
190 int security_vm_enough_memory(long pages)
192 WARN_ON(current->mm == NULL);
193 return security_ops->vm_enough_memory(current->mm, pages);
196 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
198 WARN_ON(mm == NULL);
199 return security_ops->vm_enough_memory(mm, pages);
202 int security_vm_enough_memory_kern(long pages)
204 /* If current->mm is a kernel thread then we will pass NULL,
205 for this specific case that is fine */
206 return security_ops->vm_enough_memory(current->mm, pages);
209 int security_bprm_set_creds(struct linux_binprm *bprm)
211 return security_ops->bprm_set_creds(bprm);
214 int security_bprm_check(struct linux_binprm *bprm)
216 int ret;
218 ret = security_ops->bprm_check_security(bprm);
219 if (ret)
220 return ret;
221 return ima_bprm_check(bprm);
224 void security_bprm_committing_creds(struct linux_binprm *bprm)
226 security_ops->bprm_committing_creds(bprm);
229 void security_bprm_committed_creds(struct linux_binprm *bprm)
231 security_ops->bprm_committed_creds(bprm);
234 int security_bprm_secureexec(struct linux_binprm *bprm)
236 return security_ops->bprm_secureexec(bprm);
239 int security_sb_alloc(struct super_block *sb)
241 return security_ops->sb_alloc_security(sb);
244 void security_sb_free(struct super_block *sb)
246 security_ops->sb_free_security(sb);
249 int security_sb_copy_data(char *orig, char *copy)
251 return security_ops->sb_copy_data(orig, copy);
253 EXPORT_SYMBOL(security_sb_copy_data);
255 int security_sb_remount(struct super_block *sb, void *data)
257 return security_ops->sb_remount(sb, data);
260 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
262 return security_ops->sb_kern_mount(sb, flags, data);
265 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
267 return security_ops->sb_show_options(m, sb);
270 int security_sb_statfs(struct dentry *dentry)
272 return security_ops->sb_statfs(dentry);
275 int security_sb_mount(char *dev_name, struct path *path,
276 char *type, unsigned long flags, void *data)
278 return security_ops->sb_mount(dev_name, path, type, flags, data);
281 int security_sb_umount(struct vfsmount *mnt, int flags)
283 return security_ops->sb_umount(mnt, flags);
286 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
288 return security_ops->sb_pivotroot(old_path, new_path);
291 int security_sb_set_mnt_opts(struct super_block *sb,
292 struct security_mnt_opts *opts)
294 return security_ops->sb_set_mnt_opts(sb, opts);
296 EXPORT_SYMBOL(security_sb_set_mnt_opts);
298 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
299 struct super_block *newsb)
301 security_ops->sb_clone_mnt_opts(oldsb, newsb);
303 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
305 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
307 return security_ops->sb_parse_opts_str(options, opts);
309 EXPORT_SYMBOL(security_sb_parse_opts_str);
311 int security_inode_alloc(struct inode *inode)
313 inode->i_security = NULL;
314 return security_ops->inode_alloc_security(inode);
317 void security_inode_free(struct inode *inode)
319 integrity_inode_free(inode);
320 security_ops->inode_free_security(inode);
323 int security_inode_init_security(struct inode *inode, struct inode *dir,
324 const struct qstr *qstr,
325 const initxattrs initxattrs, void *fs_data)
327 struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
328 struct xattr *lsm_xattr, *evm_xattr, *xattr;
329 int ret;
331 if (unlikely(IS_PRIVATE(inode)))
332 return 0;
334 memset(new_xattrs, 0, sizeof new_xattrs);
335 if (!initxattrs)
336 return security_ops->inode_init_security(inode, dir, qstr,
337 NULL, NULL, NULL);
338 lsm_xattr = new_xattrs;
339 ret = security_ops->inode_init_security(inode, dir, qstr,
340 &lsm_xattr->name,
341 &lsm_xattr->value,
342 &lsm_xattr->value_len);
343 if (ret)
344 goto out;
346 evm_xattr = lsm_xattr + 1;
347 ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
348 if (ret)
349 goto out;
350 ret = initxattrs(inode, new_xattrs, fs_data);
351 out:
352 for (xattr = new_xattrs; xattr->name != NULL; xattr++) {
353 kfree(xattr->name);
354 kfree(xattr->value);
356 return (ret == -EOPNOTSUPP) ? 0 : ret;
358 EXPORT_SYMBOL(security_inode_init_security);
360 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
361 const struct qstr *qstr, char **name,
362 void **value, size_t *len)
364 if (unlikely(IS_PRIVATE(inode)))
365 return -EOPNOTSUPP;
366 return security_ops->inode_init_security(inode, dir, qstr, name, value,
367 len);
369 EXPORT_SYMBOL(security_old_inode_init_security);
371 #ifdef CONFIG_SECURITY_PATH
372 int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
373 unsigned int dev)
375 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
376 return 0;
377 return security_ops->path_mknod(dir, dentry, mode, dev);
379 EXPORT_SYMBOL(security_path_mknod);
381 int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
383 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
384 return 0;
385 return security_ops->path_mkdir(dir, dentry, mode);
387 EXPORT_SYMBOL(security_path_mkdir);
389 int security_path_rmdir(struct path *dir, struct dentry *dentry)
391 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
392 return 0;
393 return security_ops->path_rmdir(dir, dentry);
396 int security_path_unlink(struct path *dir, struct dentry *dentry)
398 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
399 return 0;
400 return security_ops->path_unlink(dir, dentry);
402 EXPORT_SYMBOL(security_path_unlink);
404 int security_path_symlink(struct path *dir, struct dentry *dentry,
405 const char *old_name)
407 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
408 return 0;
409 return security_ops->path_symlink(dir, dentry, old_name);
412 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
413 struct dentry *new_dentry)
415 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
416 return 0;
417 return security_ops->path_link(old_dentry, new_dir, new_dentry);
420 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
421 struct path *new_dir, struct dentry *new_dentry)
423 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
424 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
425 return 0;
426 return security_ops->path_rename(old_dir, old_dentry, new_dir,
427 new_dentry);
429 EXPORT_SYMBOL(security_path_rename);
431 int security_path_truncate(struct path *path)
433 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
434 return 0;
435 return security_ops->path_truncate(path);
438 int security_path_chmod(struct path *path, umode_t mode)
440 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
441 return 0;
442 return security_ops->path_chmod(path, mode);
445 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
447 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
448 return 0;
449 return security_ops->path_chown(path, uid, gid);
452 int security_path_chroot(struct path *path)
454 return security_ops->path_chroot(path);
456 #endif
458 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
460 if (unlikely(IS_PRIVATE(dir)))
461 return 0;
462 return security_ops->inode_create(dir, dentry, mode);
464 EXPORT_SYMBOL_GPL(security_inode_create);
466 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
467 struct dentry *new_dentry)
469 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
470 return 0;
471 return security_ops->inode_link(old_dentry, dir, new_dentry);
474 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
476 if (unlikely(IS_PRIVATE(dentry->d_inode)))
477 return 0;
478 return security_ops->inode_unlink(dir, dentry);
481 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
482 const char *old_name)
484 if (unlikely(IS_PRIVATE(dir)))
485 return 0;
486 return security_ops->inode_symlink(dir, dentry, old_name);
489 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
491 if (unlikely(IS_PRIVATE(dir)))
492 return 0;
493 return security_ops->inode_mkdir(dir, dentry, mode);
495 EXPORT_SYMBOL_GPL(security_inode_mkdir);
497 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
499 if (unlikely(IS_PRIVATE(dentry->d_inode)))
500 return 0;
501 return security_ops->inode_rmdir(dir, dentry);
504 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
506 if (unlikely(IS_PRIVATE(dir)))
507 return 0;
508 return security_ops->inode_mknod(dir, dentry, mode, dev);
511 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
512 struct inode *new_dir, struct dentry *new_dentry)
514 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
515 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
516 return 0;
517 return security_ops->inode_rename(old_dir, old_dentry,
518 new_dir, new_dentry);
521 int security_inode_readlink(struct dentry *dentry)
523 if (unlikely(IS_PRIVATE(dentry->d_inode)))
524 return 0;
525 return security_ops->inode_readlink(dentry);
528 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
530 if (unlikely(IS_PRIVATE(dentry->d_inode)))
531 return 0;
532 return security_ops->inode_follow_link(dentry, nd);
535 int security_inode_permission(struct inode *inode, int mask)
537 if (unlikely(IS_PRIVATE(inode)))
538 return 0;
539 return security_ops->inode_permission(inode, mask);
542 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
544 int ret;
546 if (unlikely(IS_PRIVATE(dentry->d_inode)))
547 return 0;
548 ret = security_ops->inode_setattr(dentry, attr);
549 if (ret)
550 return ret;
551 return evm_inode_setattr(dentry, attr);
553 EXPORT_SYMBOL_GPL(security_inode_setattr);
555 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
557 if (unlikely(IS_PRIVATE(dentry->d_inode)))
558 return 0;
559 return security_ops->inode_getattr(mnt, dentry);
562 int security_inode_setxattr(struct dentry *dentry, const char *name,
563 const void *value, size_t size, int flags)
565 int ret;
567 if (unlikely(IS_PRIVATE(dentry->d_inode)))
568 return 0;
569 ret = security_ops->inode_setxattr(dentry, name, value, size, flags);
570 if (ret)
571 return ret;
572 return evm_inode_setxattr(dentry, name, value, size);
575 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
576 const void *value, size_t size, int flags)
578 if (unlikely(IS_PRIVATE(dentry->d_inode)))
579 return;
580 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
581 evm_inode_post_setxattr(dentry, name, value, size);
584 int security_inode_getxattr(struct dentry *dentry, const char *name)
586 if (unlikely(IS_PRIVATE(dentry->d_inode)))
587 return 0;
588 return security_ops->inode_getxattr(dentry, name);
591 int security_inode_listxattr(struct dentry *dentry)
593 if (unlikely(IS_PRIVATE(dentry->d_inode)))
594 return 0;
595 return security_ops->inode_listxattr(dentry);
598 int security_inode_removexattr(struct dentry *dentry, const char *name)
600 int ret;
602 if (unlikely(IS_PRIVATE(dentry->d_inode)))
603 return 0;
604 ret = security_ops->inode_removexattr(dentry, name);
605 if (ret)
606 return ret;
607 return evm_inode_removexattr(dentry, name);
610 int security_inode_need_killpriv(struct dentry *dentry)
612 return security_ops->inode_need_killpriv(dentry);
615 int security_inode_killpriv(struct dentry *dentry)
617 return security_ops->inode_killpriv(dentry);
620 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
622 if (unlikely(IS_PRIVATE(inode)))
623 return -EOPNOTSUPP;
624 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
627 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
629 if (unlikely(IS_PRIVATE(inode)))
630 return -EOPNOTSUPP;
631 return security_ops->inode_setsecurity(inode, name, value, size, flags);
634 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
636 if (unlikely(IS_PRIVATE(inode)))
637 return 0;
638 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
641 void security_inode_getsecid(const struct inode *inode, u32 *secid)
643 security_ops->inode_getsecid(inode, secid);
646 int security_file_permission(struct file *file, int mask)
648 int ret;
650 ret = security_ops->file_permission(file, mask);
651 if (ret)
652 return ret;
654 return fsnotify_perm(file, mask);
657 int security_file_alloc(struct file *file)
659 return security_ops->file_alloc_security(file);
662 void security_file_free(struct file *file)
664 security_ops->file_free_security(file);
667 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
669 return security_ops->file_ioctl(file, cmd, arg);
672 int security_file_mmap(struct file *file, unsigned long reqprot,
673 unsigned long prot, unsigned long flags,
674 unsigned long addr, unsigned long addr_only)
676 int ret;
678 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
679 if (ret)
680 return ret;
681 return ima_file_mmap(file, prot);
684 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
685 unsigned long prot)
687 return security_ops->file_mprotect(vma, reqprot, prot);
690 int security_file_lock(struct file *file, unsigned int cmd)
692 return security_ops->file_lock(file, cmd);
695 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
697 return security_ops->file_fcntl(file, cmd, arg);
700 int security_file_set_fowner(struct file *file)
702 return security_ops->file_set_fowner(file);
705 int security_file_send_sigiotask(struct task_struct *tsk,
706 struct fown_struct *fown, int sig)
708 return security_ops->file_send_sigiotask(tsk, fown, sig);
711 int security_file_receive(struct file *file)
713 return security_ops->file_receive(file);
716 int security_dentry_open(struct file *file, const struct cred *cred)
718 int ret;
720 ret = security_ops->dentry_open(file, cred);
721 if (ret)
722 return ret;
724 return fsnotify_perm(file, MAY_OPEN);
727 int security_task_create(unsigned long clone_flags)
729 return security_ops->task_create(clone_flags);
732 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
734 return security_ops->cred_alloc_blank(cred, gfp);
737 void security_cred_free(struct cred *cred)
739 security_ops->cred_free(cred);
742 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
744 return security_ops->cred_prepare(new, old, gfp);
747 void security_transfer_creds(struct cred *new, const struct cred *old)
749 security_ops->cred_transfer(new, old);
752 int security_kernel_act_as(struct cred *new, u32 secid)
754 return security_ops->kernel_act_as(new, secid);
757 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
759 return security_ops->kernel_create_files_as(new, inode);
762 int security_kernel_module_request(char *kmod_name)
764 return security_ops->kernel_module_request(kmod_name);
767 int security_task_fix_setuid(struct cred *new, const struct cred *old,
768 int flags)
770 return security_ops->task_fix_setuid(new, old, flags);
773 int security_task_setpgid(struct task_struct *p, pid_t pgid)
775 return security_ops->task_setpgid(p, pgid);
778 int security_task_getpgid(struct task_struct *p)
780 return security_ops->task_getpgid(p);
783 int security_task_getsid(struct task_struct *p)
785 return security_ops->task_getsid(p);
788 void security_task_getsecid(struct task_struct *p, u32 *secid)
790 security_ops->task_getsecid(p, secid);
792 EXPORT_SYMBOL(security_task_getsecid);
794 int security_task_setnice(struct task_struct *p, int nice)
796 return security_ops->task_setnice(p, nice);
799 int security_task_setioprio(struct task_struct *p, int ioprio)
801 return security_ops->task_setioprio(p, ioprio);
804 int security_task_getioprio(struct task_struct *p)
806 return security_ops->task_getioprio(p);
809 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
810 struct rlimit *new_rlim)
812 return security_ops->task_setrlimit(p, resource, new_rlim);
815 int security_task_setscheduler(struct task_struct *p)
817 return security_ops->task_setscheduler(p);
820 int security_task_getscheduler(struct task_struct *p)
822 return security_ops->task_getscheduler(p);
825 int security_task_movememory(struct task_struct *p)
827 return security_ops->task_movememory(p);
830 int security_task_kill(struct task_struct *p, struct siginfo *info,
831 int sig, u32 secid)
833 return security_ops->task_kill(p, info, sig, secid);
836 int security_task_wait(struct task_struct *p)
838 return security_ops->task_wait(p);
841 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
842 unsigned long arg4, unsigned long arg5)
844 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
847 void security_task_to_inode(struct task_struct *p, struct inode *inode)
849 security_ops->task_to_inode(p, inode);
852 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
854 return security_ops->ipc_permission(ipcp, flag);
857 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
859 security_ops->ipc_getsecid(ipcp, secid);
862 int security_msg_msg_alloc(struct msg_msg *msg)
864 return security_ops->msg_msg_alloc_security(msg);
867 void security_msg_msg_free(struct msg_msg *msg)
869 security_ops->msg_msg_free_security(msg);
872 int security_msg_queue_alloc(struct msg_queue *msq)
874 return security_ops->msg_queue_alloc_security(msq);
877 void security_msg_queue_free(struct msg_queue *msq)
879 security_ops->msg_queue_free_security(msq);
882 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
884 return security_ops->msg_queue_associate(msq, msqflg);
887 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
889 return security_ops->msg_queue_msgctl(msq, cmd);
892 int security_msg_queue_msgsnd(struct msg_queue *msq,
893 struct msg_msg *msg, int msqflg)
895 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
898 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
899 struct task_struct *target, long type, int mode)
901 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
904 int security_shm_alloc(struct shmid_kernel *shp)
906 return security_ops->shm_alloc_security(shp);
909 void security_shm_free(struct shmid_kernel *shp)
911 security_ops->shm_free_security(shp);
914 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
916 return security_ops->shm_associate(shp, shmflg);
919 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
921 return security_ops->shm_shmctl(shp, cmd);
924 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
926 return security_ops->shm_shmat(shp, shmaddr, shmflg);
929 int security_sem_alloc(struct sem_array *sma)
931 return security_ops->sem_alloc_security(sma);
934 void security_sem_free(struct sem_array *sma)
936 security_ops->sem_free_security(sma);
939 int security_sem_associate(struct sem_array *sma, int semflg)
941 return security_ops->sem_associate(sma, semflg);
944 int security_sem_semctl(struct sem_array *sma, int cmd)
946 return security_ops->sem_semctl(sma, cmd);
949 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
950 unsigned nsops, int alter)
952 return security_ops->sem_semop(sma, sops, nsops, alter);
955 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
957 if (unlikely(inode && IS_PRIVATE(inode)))
958 return;
959 security_ops->d_instantiate(dentry, inode);
961 EXPORT_SYMBOL(security_d_instantiate);
963 int security_getprocattr(struct task_struct *p, char *name, char **value)
965 return security_ops->getprocattr(p, name, value);
968 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
970 return security_ops->setprocattr(p, name, value, size);
973 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
975 return security_ops->netlink_send(sk, skb);
978 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
980 return security_ops->secid_to_secctx(secid, secdata, seclen);
982 EXPORT_SYMBOL(security_secid_to_secctx);
984 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
986 return security_ops->secctx_to_secid(secdata, seclen, secid);
988 EXPORT_SYMBOL(security_secctx_to_secid);
990 void security_release_secctx(char *secdata, u32 seclen)
992 security_ops->release_secctx(secdata, seclen);
994 EXPORT_SYMBOL(security_release_secctx);
996 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
998 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
1000 EXPORT_SYMBOL(security_inode_notifysecctx);
1002 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1004 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1006 EXPORT_SYMBOL(security_inode_setsecctx);
1008 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1010 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1012 EXPORT_SYMBOL(security_inode_getsecctx);
1014 #ifdef CONFIG_SECURITY_NETWORK
1016 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
1018 return security_ops->unix_stream_connect(sock, other, newsk);
1020 EXPORT_SYMBOL(security_unix_stream_connect);
1022 int security_unix_may_send(struct socket *sock, struct socket *other)
1024 return security_ops->unix_may_send(sock, other);
1026 EXPORT_SYMBOL(security_unix_may_send);
1028 int security_socket_create(int family, int type, int protocol, int kern)
1030 return security_ops->socket_create(family, type, protocol, kern);
1033 int security_socket_post_create(struct socket *sock, int family,
1034 int type, int protocol, int kern)
1036 return security_ops->socket_post_create(sock, family, type,
1037 protocol, kern);
1040 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1042 return security_ops->socket_bind(sock, address, addrlen);
1045 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1047 return security_ops->socket_connect(sock, address, addrlen);
1050 int security_socket_listen(struct socket *sock, int backlog)
1052 return security_ops->socket_listen(sock, backlog);
1055 int security_socket_accept(struct socket *sock, struct socket *newsock)
1057 return security_ops->socket_accept(sock, newsock);
1060 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1062 return security_ops->socket_sendmsg(sock, msg, size);
1065 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1066 int size, int flags)
1068 return security_ops->socket_recvmsg(sock, msg, size, flags);
1071 int security_socket_getsockname(struct socket *sock)
1073 return security_ops->socket_getsockname(sock);
1076 int security_socket_getpeername(struct socket *sock)
1078 return security_ops->socket_getpeername(sock);
1081 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1083 return security_ops->socket_getsockopt(sock, level, optname);
1086 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1088 return security_ops->socket_setsockopt(sock, level, optname);
1091 int security_socket_shutdown(struct socket *sock, int how)
1093 return security_ops->socket_shutdown(sock, how);
1096 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1098 return security_ops->socket_sock_rcv_skb(sk, skb);
1100 EXPORT_SYMBOL(security_sock_rcv_skb);
1102 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1103 int __user *optlen, unsigned len)
1105 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1108 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1110 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1112 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1114 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1116 return security_ops->sk_alloc_security(sk, family, priority);
1119 void security_sk_free(struct sock *sk)
1121 security_ops->sk_free_security(sk);
1124 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1126 security_ops->sk_clone_security(sk, newsk);
1128 EXPORT_SYMBOL(security_sk_clone);
1130 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1132 security_ops->sk_getsecid(sk, &fl->flowi_secid);
1134 EXPORT_SYMBOL(security_sk_classify_flow);
1136 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1138 security_ops->req_classify_flow(req, fl);
1140 EXPORT_SYMBOL(security_req_classify_flow);
1142 void security_sock_graft(struct sock *sk, struct socket *parent)
1144 security_ops->sock_graft(sk, parent);
1146 EXPORT_SYMBOL(security_sock_graft);
1148 int security_inet_conn_request(struct sock *sk,
1149 struct sk_buff *skb, struct request_sock *req)
1151 return security_ops->inet_conn_request(sk, skb, req);
1153 EXPORT_SYMBOL(security_inet_conn_request);
1155 void security_inet_csk_clone(struct sock *newsk,
1156 const struct request_sock *req)
1158 security_ops->inet_csk_clone(newsk, req);
1161 void security_inet_conn_established(struct sock *sk,
1162 struct sk_buff *skb)
1164 security_ops->inet_conn_established(sk, skb);
1167 int security_secmark_relabel_packet(u32 secid)
1169 return security_ops->secmark_relabel_packet(secid);
1171 EXPORT_SYMBOL(security_secmark_relabel_packet);
1173 void security_secmark_refcount_inc(void)
1175 security_ops->secmark_refcount_inc();
1177 EXPORT_SYMBOL(security_secmark_refcount_inc);
1179 void security_secmark_refcount_dec(void)
1181 security_ops->secmark_refcount_dec();
1183 EXPORT_SYMBOL(security_secmark_refcount_dec);
1185 int security_tun_dev_create(void)
1187 return security_ops->tun_dev_create();
1189 EXPORT_SYMBOL(security_tun_dev_create);
1191 void security_tun_dev_post_create(struct sock *sk)
1193 return security_ops->tun_dev_post_create(sk);
1195 EXPORT_SYMBOL(security_tun_dev_post_create);
1197 int security_tun_dev_attach(struct sock *sk)
1199 return security_ops->tun_dev_attach(sk);
1201 EXPORT_SYMBOL(security_tun_dev_attach);
1203 #endif /* CONFIG_SECURITY_NETWORK */
1205 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1207 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1209 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1211 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1213 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1214 struct xfrm_sec_ctx **new_ctxp)
1216 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1219 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1221 security_ops->xfrm_policy_free_security(ctx);
1223 EXPORT_SYMBOL(security_xfrm_policy_free);
1225 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1227 return security_ops->xfrm_policy_delete_security(ctx);
1230 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1232 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1234 EXPORT_SYMBOL(security_xfrm_state_alloc);
1236 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1237 struct xfrm_sec_ctx *polsec, u32 secid)
1239 if (!polsec)
1240 return 0;
1242 * We want the context to be taken from secid which is usually
1243 * from the sock.
1245 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1248 int security_xfrm_state_delete(struct xfrm_state *x)
1250 return security_ops->xfrm_state_delete_security(x);
1252 EXPORT_SYMBOL(security_xfrm_state_delete);
1254 void security_xfrm_state_free(struct xfrm_state *x)
1256 security_ops->xfrm_state_free_security(x);
1259 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1261 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1264 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1265 struct xfrm_policy *xp,
1266 const struct flowi *fl)
1268 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1271 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1273 return security_ops->xfrm_decode_session(skb, secid, 1);
1276 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1278 int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
1280 BUG_ON(rc);
1282 EXPORT_SYMBOL(security_skb_classify_flow);
1284 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1286 #ifdef CONFIG_KEYS
1288 int security_key_alloc(struct key *key, const struct cred *cred,
1289 unsigned long flags)
1291 return security_ops->key_alloc(key, cred, flags);
1294 void security_key_free(struct key *key)
1296 security_ops->key_free(key);
1299 int security_key_permission(key_ref_t key_ref,
1300 const struct cred *cred, key_perm_t perm)
1302 return security_ops->key_permission(key_ref, cred, perm);
1305 int security_key_getsecurity(struct key *key, char **_buffer)
1307 return security_ops->key_getsecurity(key, _buffer);
1310 #endif /* CONFIG_KEYS */
1312 #ifdef CONFIG_AUDIT
1314 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1316 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1319 int security_audit_rule_known(struct audit_krule *krule)
1321 return security_ops->audit_rule_known(krule);
1324 void security_audit_rule_free(void *lsmrule)
1326 security_ops->audit_rule_free(lsmrule);
1329 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1330 struct audit_context *actx)
1332 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1335 #endif /* CONFIG_AUDIT */