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/ima.h>
21 /* Boot-time LSM user choice */
22 static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
23 CONFIG_DEFAULT_SECURITY;
25 #if CONFIG_SECURITY_YAMA
26 extern int yama_ptrace_access_check(struct task_struct *child,
28 extern int yama_path_link(struct dentry *old_dentry, struct path *new_dir,
29 struct dentry *new_dentry);
30 extern int yama_inode_follow_link(struct dentry *dentry,
31 struct nameidata *nameidata);
32 extern void yama_task_free(struct task_struct *task);
33 extern int yama_task_prctl(int option, unsigned long arg2, unsigned long arg3,
34 unsigned long arg4, unsigned long arg5);
37 /* things that live in capability.c */
38 extern void __init security_fixup_ops(struct security_operations *ops);
40 static struct security_operations *security_ops;
41 static struct security_operations default_security_ops = {
45 static inline int __init verify(struct security_operations *ops)
47 /* verify the security_operations structure exists */
50 security_fixup_ops(ops);
54 static void __init do_security_initcalls(void)
57 call = __security_initcall_start;
58 while (call < __security_initcall_end) {
65 * security_init - initializes the security framework
67 * This should be called early in the kernel initialization sequence.
69 int __init security_init(void)
71 printk(KERN_INFO "Security Framework initialized\n");
73 security_fixup_ops(&default_security_ops);
74 security_ops = &default_security_ops;
75 do_security_initcalls();
80 void reset_security_ops(void)
82 security_ops = &default_security_ops;
85 /* Save user chosen LSM */
86 static int __init choose_lsm(char *str)
88 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
91 __setup("security=", choose_lsm);
94 * security_module_enable - Load given security module on boot ?
95 * @ops: a pointer to the struct security_operations that is to be checked.
97 * Each LSM must pass this method before registering its own operations
98 * to avoid security registration races. This method may also be used
99 * to check if your LSM is currently loaded during kernel initialization.
102 * -The passed LSM is the one chosen by user at boot time,
103 * -or the passed LSM is configured as the default and the user did not
104 * choose an alternate LSM at boot time.
105 * Otherwise, return false.
107 int __init security_module_enable(struct security_operations *ops)
109 return !strcmp(ops->name, chosen_lsm);
113 * register_security - registers a security framework with the kernel
114 * @ops: a pointer to the struct security_options that is to be registered
116 * This function allows a security module to register itself with the
117 * kernel security subsystem. Some rudimentary checking is done on the @ops
118 * value passed to this function. You'll need to check first if your LSM
119 * is allowed to register its @ops by calling security_module_enable(@ops).
121 * If there is already a security module registered with the kernel,
122 * an error will be returned. Otherwise %0 is returned on success.
124 int __init register_security(struct security_operations *ops)
127 printk(KERN_DEBUG "%s could not verify "
128 "security_operations structure.\n", __func__);
132 if (security_ops != &default_security_ops)
140 /* Security operations */
142 int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
144 #if CONFIG_SECURITY_YAMA
146 rc = yama_ptrace_access_check(child, mode);
147 if (rc || security_ops->ptrace_access_check == yama_ptrace_access_check)
150 return security_ops->ptrace_access_check(child, mode);
153 int security_ptrace_traceme(struct task_struct *parent)
155 return security_ops->ptrace_traceme(parent);
158 int security_capget(struct task_struct *target,
159 kernel_cap_t *effective,
160 kernel_cap_t *inheritable,
161 kernel_cap_t *permitted)
163 return security_ops->capget(target, effective, inheritable, permitted);
166 int security_capset(struct cred *new, const struct cred *old,
167 const kernel_cap_t *effective,
168 const kernel_cap_t *inheritable,
169 const kernel_cap_t *permitted)
171 return security_ops->capset(new, old,
172 effective, inheritable, permitted);
175 int security_capable(const struct cred *cred, int cap)
177 return security_ops->capable(current, cred, cap, SECURITY_CAP_AUDIT);
180 int security_real_capable(struct task_struct *tsk, int cap)
182 const struct cred *cred;
185 cred = get_task_cred(tsk);
186 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_AUDIT);
191 int security_real_capable_noaudit(struct task_struct *tsk, int cap)
193 const struct cred *cred;
196 cred = get_task_cred(tsk);
197 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_NOAUDIT);
202 int security_sysctl(struct ctl_table *table, int op)
204 return security_ops->sysctl(table, op);
207 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
209 return security_ops->quotactl(cmds, type, id, sb);
212 int security_quota_on(struct dentry *dentry)
214 return security_ops->quota_on(dentry);
217 int security_syslog(int type)
219 return security_ops->syslog(type);
222 int security_settime(struct timespec *ts, struct timezone *tz)
224 return security_ops->settime(ts, tz);
227 int security_vm_enough_memory(long pages)
229 WARN_ON(current->mm == NULL);
230 return security_ops->vm_enough_memory(current->mm, pages);
233 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
236 return security_ops->vm_enough_memory(mm, pages);
239 int security_vm_enough_memory_kern(long pages)
241 /* If current->mm is a kernel thread then we will pass NULL,
242 for this specific case that is fine */
243 return security_ops->vm_enough_memory(current->mm, pages);
246 int security_bprm_set_creds(struct linux_binprm *bprm)
248 return security_ops->bprm_set_creds(bprm);
251 int security_bprm_check(struct linux_binprm *bprm)
255 ret = security_ops->bprm_check_security(bprm);
258 return ima_bprm_check(bprm);
261 void security_bprm_committing_creds(struct linux_binprm *bprm)
263 security_ops->bprm_committing_creds(bprm);
266 void security_bprm_committed_creds(struct linux_binprm *bprm)
268 security_ops->bprm_committed_creds(bprm);
271 int security_bprm_secureexec(struct linux_binprm *bprm)
273 return security_ops->bprm_secureexec(bprm);
276 int security_sb_alloc(struct super_block *sb)
278 return security_ops->sb_alloc_security(sb);
281 void security_sb_free(struct super_block *sb)
283 security_ops->sb_free_security(sb);
286 int security_sb_copy_data(char *orig, char *copy)
288 return security_ops->sb_copy_data(orig, copy);
290 EXPORT_SYMBOL(security_sb_copy_data);
292 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
294 return security_ops->sb_kern_mount(sb, flags, data);
297 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
299 return security_ops->sb_show_options(m, sb);
302 int security_sb_statfs(struct dentry *dentry)
304 return security_ops->sb_statfs(dentry);
307 int security_sb_mount(char *dev_name, struct path *path,
308 char *type, unsigned long flags, void *data)
310 return security_ops->sb_mount(dev_name, path, type, flags, data);
313 int security_sb_umount(struct vfsmount *mnt, int flags)
315 return security_ops->sb_umount(mnt, flags);
318 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
320 return security_ops->sb_pivotroot(old_path, new_path);
323 int security_sb_set_mnt_opts(struct super_block *sb,
324 struct security_mnt_opts *opts)
326 return security_ops->sb_set_mnt_opts(sb, opts);
328 EXPORT_SYMBOL(security_sb_set_mnt_opts);
330 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
331 struct super_block *newsb)
333 security_ops->sb_clone_mnt_opts(oldsb, newsb);
335 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
337 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
339 return security_ops->sb_parse_opts_str(options, opts);
341 EXPORT_SYMBOL(security_sb_parse_opts_str);
343 int security_inode_alloc(struct inode *inode)
345 inode->i_security = NULL;
346 return security_ops->inode_alloc_security(inode);
349 void security_inode_free(struct inode *inode)
351 ima_inode_free(inode);
352 security_ops->inode_free_security(inode);
355 int security_inode_init_security(struct inode *inode, struct inode *dir,
356 char **name, void **value, size_t *len)
358 if (unlikely(IS_PRIVATE(inode)))
360 return security_ops->inode_init_security(inode, dir, name, value, len);
362 EXPORT_SYMBOL(security_inode_init_security);
364 #ifdef CONFIG_SECURITY_PATH
365 int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
368 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
370 return security_ops->path_mknod(dir, dentry, mode, dev);
372 EXPORT_SYMBOL(security_path_mknod);
374 int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
376 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
378 return security_ops->path_mkdir(dir, dentry, mode);
380 EXPORT_SYMBOL(security_path_mkdir);
382 int security_path_rmdir(struct path *dir, struct dentry *dentry)
384 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
386 return security_ops->path_rmdir(dir, dentry);
388 EXPORT_SYMBOL(security_path_rmdir);
390 int security_path_unlink(struct path *dir, struct dentry *dentry)
392 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
394 return security_ops->path_unlink(dir, dentry);
396 EXPORT_SYMBOL(security_path_unlink);
398 int security_path_symlink(struct path *dir, struct dentry *dentry,
399 const char *old_name)
401 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
403 return security_ops->path_symlink(dir, dentry, old_name);
405 EXPORT_SYMBOL(security_path_symlink);
407 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
408 struct dentry *new_dentry)
410 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
412 #if CONFIG_SECURITY_YAMA
413 int rc = yama_path_link(old_dentry, new_dir, new_dentry);
414 if (rc || security_ops->path_link == yama_path_link)
417 return security_ops->path_link(old_dentry, new_dir, new_dentry);
419 EXPORT_SYMBOL(security_path_link);
421 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
422 struct path *new_dir, struct dentry *new_dentry)
424 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
425 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
427 return security_ops->path_rename(old_dir, old_dentry, new_dir,
430 EXPORT_SYMBOL(security_path_rename);
432 int security_path_truncate(struct path *path)
434 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
436 return security_ops->path_truncate(path);
438 EXPORT_SYMBOL(security_path_truncate);
440 int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
443 if (unlikely(IS_PRIVATE(dentry->d_inode)))
445 return security_ops->path_chmod(dentry, mnt, mode);
447 EXPORT_SYMBOL(security_path_chmod);
449 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
451 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
453 return security_ops->path_chown(path, uid, gid);
455 EXPORT_SYMBOL(security_path_chown);
457 int security_path_chroot(struct path *path)
459 return security_ops->path_chroot(path);
463 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
465 if (unlikely(IS_PRIVATE(dir)))
467 return security_ops->inode_create(dir, dentry, mode);
469 EXPORT_SYMBOL_GPL(security_inode_create);
471 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
472 struct dentry *new_dentry)
474 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
476 return security_ops->inode_link(old_dentry, dir, new_dentry);
479 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
481 if (unlikely(IS_PRIVATE(dentry->d_inode)))
483 return security_ops->inode_unlink(dir, dentry);
486 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
487 const char *old_name)
489 if (unlikely(IS_PRIVATE(dir)))
491 return security_ops->inode_symlink(dir, dentry, old_name);
494 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
496 if (unlikely(IS_PRIVATE(dir)))
498 return security_ops->inode_mkdir(dir, dentry, mode);
500 EXPORT_SYMBOL_GPL(security_inode_mkdir);
502 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
504 if (unlikely(IS_PRIVATE(dentry->d_inode)))
506 return security_ops->inode_rmdir(dir, dentry);
509 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
511 if (unlikely(IS_PRIVATE(dir)))
513 return security_ops->inode_mknod(dir, dentry, mode, dev);
516 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
517 struct inode *new_dir, struct dentry *new_dentry)
519 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
520 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
522 return security_ops->inode_rename(old_dir, old_dentry,
523 new_dir, new_dentry);
526 int security_inode_readlink(struct dentry *dentry)
528 if (unlikely(IS_PRIVATE(dentry->d_inode)))
530 return security_ops->inode_readlink(dentry);
532 EXPORT_SYMBOL(security_inode_readlink);
534 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
536 if (unlikely(IS_PRIVATE(dentry->d_inode)))
538 #if CONFIG_SECURITY_YAMA
539 int rc = yama_inode_follow_link(dentry, nd);
540 if (rc || security_ops->inode_follow_link == yama_inode_follow_link)
543 return security_ops->inode_follow_link(dentry, nd);
546 int security_inode_permission(struct inode *inode, int mask)
548 if (unlikely(IS_PRIVATE(inode)))
550 return security_ops->inode_permission(inode, mask);
552 EXPORT_SYMBOL(security_inode_permission);
554 int security_inode_exec_permission(struct inode *inode, unsigned int flags)
556 if (unlikely(IS_PRIVATE(inode)))
560 return security_ops->inode_permission(inode, MAY_EXEC);
563 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
565 if (unlikely(IS_PRIVATE(dentry->d_inode)))
567 return security_ops->inode_setattr(dentry, attr);
569 EXPORT_SYMBOL_GPL(security_inode_setattr);
571 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
573 if (unlikely(IS_PRIVATE(dentry->d_inode)))
575 return security_ops->inode_getattr(mnt, dentry);
578 int security_inode_setxattr(struct dentry *dentry, const char *name,
579 const void *value, size_t size, int flags)
581 if (unlikely(IS_PRIVATE(dentry->d_inode)))
583 return security_ops->inode_setxattr(dentry, name, value, size, flags);
586 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
587 const void *value, size_t size, int flags)
589 if (unlikely(IS_PRIVATE(dentry->d_inode)))
591 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
594 int security_inode_getxattr(struct dentry *dentry, const char *name)
596 if (unlikely(IS_PRIVATE(dentry->d_inode)))
598 return security_ops->inode_getxattr(dentry, name);
601 int security_inode_listxattr(struct dentry *dentry)
603 if (unlikely(IS_PRIVATE(dentry->d_inode)))
605 return security_ops->inode_listxattr(dentry);
608 int security_inode_removexattr(struct dentry *dentry, const char *name)
610 if (unlikely(IS_PRIVATE(dentry->d_inode)))
612 return security_ops->inode_removexattr(dentry, name);
615 int security_inode_need_killpriv(struct dentry *dentry)
617 return security_ops->inode_need_killpriv(dentry);
620 int security_inode_killpriv(struct dentry *dentry)
622 return security_ops->inode_killpriv(dentry);
625 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
627 if (unlikely(IS_PRIVATE(inode)))
629 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
632 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
634 if (unlikely(IS_PRIVATE(inode)))
636 return security_ops->inode_setsecurity(inode, name, value, size, flags);
639 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
641 if (unlikely(IS_PRIVATE(inode)))
643 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
646 void security_inode_getsecid(const struct inode *inode, u32 *secid)
648 security_ops->inode_getsecid(inode, secid);
651 int security_file_permission(struct file *file, int mask)
655 ret = security_ops->file_permission(file, mask);
659 return fsnotify_perm(file, mask);
661 EXPORT_SYMBOL(security_file_permission);
663 int security_file_alloc(struct file *file)
665 return security_ops->file_alloc_security(file);
668 void security_file_free(struct file *file)
670 security_ops->file_free_security(file);
673 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
675 return security_ops->file_ioctl(file, cmd, arg);
678 int security_file_mmap(struct file *file, unsigned long reqprot,
679 unsigned long prot, unsigned long flags,
680 unsigned long addr, unsigned long addr_only)
684 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
687 return ima_file_mmap(file, prot);
689 EXPORT_SYMBOL(security_file_mmap);
691 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
694 return security_ops->file_mprotect(vma, reqprot, prot);
697 int security_file_lock(struct file *file, unsigned int cmd)
699 return security_ops->file_lock(file, cmd);
702 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
704 return security_ops->file_fcntl(file, cmd, arg);
707 int security_file_set_fowner(struct file *file)
709 return security_ops->file_set_fowner(file);
712 int security_file_send_sigiotask(struct task_struct *tsk,
713 struct fown_struct *fown, int sig)
715 return security_ops->file_send_sigiotask(tsk, fown, sig);
718 int security_file_receive(struct file *file)
720 return security_ops->file_receive(file);
723 int security_dentry_open(struct file *file, const struct cred *cred)
727 ret = security_ops->dentry_open(file, cred);
731 return fsnotify_perm(file, MAY_OPEN);
734 int security_task_create(unsigned long clone_flags)
736 return security_ops->task_create(clone_flags);
739 void security_task_free(struct task_struct *task)
741 #if CONFIG_SECURITY_YAMA
742 yama_task_free(task);
743 if (security_ops->task_free == yama_task_free)
746 security_ops->task_free(task);
749 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
751 return security_ops->cred_alloc_blank(cred, gfp);
754 void security_cred_free(struct cred *cred)
756 security_ops->cred_free(cred);
759 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
761 return security_ops->cred_prepare(new, old, gfp);
764 void security_transfer_creds(struct cred *new, const struct cred *old)
766 security_ops->cred_transfer(new, old);
769 int security_kernel_act_as(struct cred *new, u32 secid)
771 return security_ops->kernel_act_as(new, secid);
774 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
776 return security_ops->kernel_create_files_as(new, inode);
779 int security_kernel_module_request(char *kmod_name)
781 return security_ops->kernel_module_request(kmod_name);
784 int security_task_fix_setuid(struct cred *new, const struct cred *old,
787 return security_ops->task_fix_setuid(new, old, flags);
790 int security_task_setpgid(struct task_struct *p, pid_t pgid)
792 return security_ops->task_setpgid(p, pgid);
795 int security_task_getpgid(struct task_struct *p)
797 return security_ops->task_getpgid(p);
800 int security_task_getsid(struct task_struct *p)
802 return security_ops->task_getsid(p);
805 void security_task_getsecid(struct task_struct *p, u32 *secid)
807 security_ops->task_getsecid(p, secid);
809 EXPORT_SYMBOL(security_task_getsecid);
811 int security_task_setnice(struct task_struct *p, int nice)
813 return security_ops->task_setnice(p, nice);
816 int security_task_setioprio(struct task_struct *p, int ioprio)
818 return security_ops->task_setioprio(p, ioprio);
821 int security_task_getioprio(struct task_struct *p)
823 return security_ops->task_getioprio(p);
826 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
827 struct rlimit *new_rlim)
829 return security_ops->task_setrlimit(p, resource, new_rlim);
832 int security_task_setscheduler(struct task_struct *p)
834 return security_ops->task_setscheduler(p);
837 int security_task_getscheduler(struct task_struct *p)
839 return security_ops->task_getscheduler(p);
842 int security_task_movememory(struct task_struct *p)
844 return security_ops->task_movememory(p);
847 int security_task_kill(struct task_struct *p, struct siginfo *info,
850 return security_ops->task_kill(p, info, sig, secid);
853 int security_task_wait(struct task_struct *p)
855 return security_ops->task_wait(p);
858 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
859 unsigned long arg4, unsigned long arg5)
861 #if CONFIG_SECURITY_YAMA
863 rc = yama_task_prctl(option, arg2, arg3, arg4, arg5);
864 if (rc != -ENOSYS || security_ops->task_prctl == yama_task_prctl)
867 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
870 void security_task_to_inode(struct task_struct *p, struct inode *inode)
872 security_ops->task_to_inode(p, inode);
875 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
877 return security_ops->ipc_permission(ipcp, flag);
880 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
882 security_ops->ipc_getsecid(ipcp, secid);
885 int security_msg_msg_alloc(struct msg_msg *msg)
887 return security_ops->msg_msg_alloc_security(msg);
890 void security_msg_msg_free(struct msg_msg *msg)
892 security_ops->msg_msg_free_security(msg);
895 int security_msg_queue_alloc(struct msg_queue *msq)
897 return security_ops->msg_queue_alloc_security(msq);
900 void security_msg_queue_free(struct msg_queue *msq)
902 security_ops->msg_queue_free_security(msq);
905 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
907 return security_ops->msg_queue_associate(msq, msqflg);
910 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
912 return security_ops->msg_queue_msgctl(msq, cmd);
915 int security_msg_queue_msgsnd(struct msg_queue *msq,
916 struct msg_msg *msg, int msqflg)
918 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
921 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
922 struct task_struct *target, long type, int mode)
924 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
927 int security_shm_alloc(struct shmid_kernel *shp)
929 return security_ops->shm_alloc_security(shp);
932 void security_shm_free(struct shmid_kernel *shp)
934 security_ops->shm_free_security(shp);
937 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
939 return security_ops->shm_associate(shp, shmflg);
942 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
944 return security_ops->shm_shmctl(shp, cmd);
947 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
949 return security_ops->shm_shmat(shp, shmaddr, shmflg);
952 int security_sem_alloc(struct sem_array *sma)
954 return security_ops->sem_alloc_security(sma);
957 void security_sem_free(struct sem_array *sma)
959 security_ops->sem_free_security(sma);
962 int security_sem_associate(struct sem_array *sma, int semflg)
964 return security_ops->sem_associate(sma, semflg);
967 int security_sem_semctl(struct sem_array *sma, int cmd)
969 return security_ops->sem_semctl(sma, cmd);
972 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
973 unsigned nsops, int alter)
975 return security_ops->sem_semop(sma, sops, nsops, alter);
978 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
980 if (unlikely(inode && IS_PRIVATE(inode)))
982 security_ops->d_instantiate(dentry, inode);
984 EXPORT_SYMBOL(security_d_instantiate);
986 int security_getprocattr(struct task_struct *p, char *name, char **value)
988 return security_ops->getprocattr(p, name, value);
991 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
993 return security_ops->setprocattr(p, name, value, size);
996 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
998 return security_ops->netlink_send(sk, skb);
1001 int security_netlink_recv(struct sk_buff *skb, int cap)
1003 return security_ops->netlink_recv(skb, cap);
1005 EXPORT_SYMBOL(security_netlink_recv);
1007 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1009 return security_ops->secid_to_secctx(secid, secdata, seclen);
1011 EXPORT_SYMBOL(security_secid_to_secctx);
1013 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
1015 return security_ops->secctx_to_secid(secdata, seclen, secid);
1017 EXPORT_SYMBOL(security_secctx_to_secid);
1019 void security_release_secctx(char *secdata, u32 seclen)
1021 security_ops->release_secctx(secdata, seclen);
1023 EXPORT_SYMBOL(security_release_secctx);
1025 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1027 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
1029 EXPORT_SYMBOL(security_inode_notifysecctx);
1031 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1033 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1035 EXPORT_SYMBOL(security_inode_setsecctx);
1037 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1039 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1041 EXPORT_SYMBOL(security_inode_getsecctx);
1043 #ifdef CONFIG_SECURITY_NETWORK
1045 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
1047 return security_ops->unix_stream_connect(sock, other, newsk);
1049 EXPORT_SYMBOL(security_unix_stream_connect);
1051 int security_unix_may_send(struct socket *sock, struct socket *other)
1053 return security_ops->unix_may_send(sock, other);
1055 EXPORT_SYMBOL(security_unix_may_send);
1057 int security_socket_create(int family, int type, int protocol, int kern)
1059 return security_ops->socket_create(family, type, protocol, kern);
1062 int security_socket_post_create(struct socket *sock, int family,
1063 int type, int protocol, int kern)
1065 return security_ops->socket_post_create(sock, family, type,
1069 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1071 return security_ops->socket_bind(sock, address, addrlen);
1074 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1076 return security_ops->socket_connect(sock, address, addrlen);
1079 int security_socket_listen(struct socket *sock, int backlog)
1081 return security_ops->socket_listen(sock, backlog);
1084 int security_socket_accept(struct socket *sock, struct socket *newsock)
1086 return security_ops->socket_accept(sock, newsock);
1089 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1091 return security_ops->socket_sendmsg(sock, msg, size);
1094 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1095 int size, int flags)
1097 return security_ops->socket_recvmsg(sock, msg, size, flags);
1100 int security_socket_getsockname(struct socket *sock)
1102 return security_ops->socket_getsockname(sock);
1105 int security_socket_getpeername(struct socket *sock)
1107 return security_ops->socket_getpeername(sock);
1110 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1112 return security_ops->socket_getsockopt(sock, level, optname);
1115 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1117 return security_ops->socket_setsockopt(sock, level, optname);
1120 int security_socket_shutdown(struct socket *sock, int how)
1122 return security_ops->socket_shutdown(sock, how);
1125 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1127 return security_ops->socket_sock_rcv_skb(sk, skb);
1129 EXPORT_SYMBOL(security_sock_rcv_skb);
1131 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1132 int __user *optlen, unsigned len)
1134 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1137 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1139 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1141 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1143 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1145 return security_ops->sk_alloc_security(sk, family, priority);
1148 void security_sk_free(struct sock *sk)
1150 security_ops->sk_free_security(sk);
1153 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1155 security_ops->sk_clone_security(sk, newsk);
1158 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1160 security_ops->sk_getsecid(sk, &fl->secid);
1162 EXPORT_SYMBOL(security_sk_classify_flow);
1164 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1166 security_ops->req_classify_flow(req, fl);
1168 EXPORT_SYMBOL(security_req_classify_flow);
1170 void security_sock_graft(struct sock *sk, struct socket *parent)
1172 security_ops->sock_graft(sk, parent);
1174 EXPORT_SYMBOL(security_sock_graft);
1176 int security_inet_conn_request(struct sock *sk,
1177 struct sk_buff *skb, struct request_sock *req)
1179 return security_ops->inet_conn_request(sk, skb, req);
1181 EXPORT_SYMBOL(security_inet_conn_request);
1183 void security_inet_csk_clone(struct sock *newsk,
1184 const struct request_sock *req)
1186 security_ops->inet_csk_clone(newsk, req);
1189 void security_inet_conn_established(struct sock *sk,
1190 struct sk_buff *skb)
1192 security_ops->inet_conn_established(sk, skb);
1195 int security_secmark_relabel_packet(u32 secid)
1197 return security_ops->secmark_relabel_packet(secid);
1199 EXPORT_SYMBOL(security_secmark_relabel_packet);
1201 void security_secmark_refcount_inc(void)
1203 security_ops->secmark_refcount_inc();
1205 EXPORT_SYMBOL(security_secmark_refcount_inc);
1207 void security_secmark_refcount_dec(void)
1209 security_ops->secmark_refcount_dec();
1211 EXPORT_SYMBOL(security_secmark_refcount_dec);
1213 int security_tun_dev_create(void)
1215 return security_ops->tun_dev_create();
1217 EXPORT_SYMBOL(security_tun_dev_create);
1219 void security_tun_dev_post_create(struct sock *sk)
1221 return security_ops->tun_dev_post_create(sk);
1223 EXPORT_SYMBOL(security_tun_dev_post_create);
1225 int security_tun_dev_attach(struct sock *sk)
1227 return security_ops->tun_dev_attach(sk);
1229 EXPORT_SYMBOL(security_tun_dev_attach);
1231 #endif /* CONFIG_SECURITY_NETWORK */
1233 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1235 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1237 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1239 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1241 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1242 struct xfrm_sec_ctx **new_ctxp)
1244 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1247 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1249 security_ops->xfrm_policy_free_security(ctx);
1251 EXPORT_SYMBOL(security_xfrm_policy_free);
1253 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1255 return security_ops->xfrm_policy_delete_security(ctx);
1258 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1260 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1262 EXPORT_SYMBOL(security_xfrm_state_alloc);
1264 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1265 struct xfrm_sec_ctx *polsec, u32 secid)
1270 * We want the context to be taken from secid which is usually
1273 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1276 int security_xfrm_state_delete(struct xfrm_state *x)
1278 return security_ops->xfrm_state_delete_security(x);
1280 EXPORT_SYMBOL(security_xfrm_state_delete);
1282 void security_xfrm_state_free(struct xfrm_state *x)
1284 security_ops->xfrm_state_free_security(x);
1287 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1289 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1292 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1293 struct xfrm_policy *xp, struct flowi *fl)
1295 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1298 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1300 return security_ops->xfrm_decode_session(skb, secid, 1);
1303 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1305 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1309 EXPORT_SYMBOL(security_skb_classify_flow);
1311 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1315 int security_key_alloc(struct key *key, const struct cred *cred,
1316 unsigned long flags)
1318 return security_ops->key_alloc(key, cred, flags);
1321 void security_key_free(struct key *key)
1323 security_ops->key_free(key);
1326 int security_key_permission(key_ref_t key_ref,
1327 const struct cred *cred, key_perm_t perm)
1329 return security_ops->key_permission(key_ref, cred, perm);
1332 int security_key_getsecurity(struct key *key, char **_buffer)
1334 return security_ops->key_getsecurity(key, _buffer);
1337 #endif /* CONFIG_KEYS */
1341 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1343 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1346 int security_audit_rule_known(struct audit_krule *krule)
1348 return security_ops->audit_rule_known(krule);
1351 void security_audit_rule_free(void *lsmrule)
1353 security_ops->audit_rule_free(lsmrule);
1356 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1357 struct audit_context *actx)
1359 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1362 #endif /* CONFIG_AUDIT */