hrtimer: Cleanup direct access to wall_to_monotonic
[zen-stable.git] / security / security.c
blob351942a4ca0e79b0c21ccd35c31e442928792f47
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/ima.h>
21 /* Boot-time LSM user choice */
22 static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
23 CONFIG_DEFAULT_SECURITY;
25 /* things that live in capability.c */
26 extern void __init security_fixup_ops(struct security_operations *ops);
28 static struct security_operations *security_ops;
29 static struct security_operations default_security_ops = {
30 .name = "default",
33 static inline int __init verify(struct security_operations *ops)
35 /* verify the security_operations structure exists */
36 if (!ops)
37 return -EINVAL;
38 security_fixup_ops(ops);
39 return 0;
42 static void __init do_security_initcalls(void)
44 initcall_t *call;
45 call = __security_initcall_start;
46 while (call < __security_initcall_end) {
47 (*call) ();
48 call++;
52 /**
53 * security_init - initializes the security framework
55 * This should be called early in the kernel initialization sequence.
57 int __init security_init(void)
59 printk(KERN_INFO "Security Framework initialized\n");
61 security_fixup_ops(&default_security_ops);
62 security_ops = &default_security_ops;
63 do_security_initcalls();
65 return 0;
68 void reset_security_ops(void)
70 security_ops = &default_security_ops;
73 /* Save user chosen LSM */
74 static int __init choose_lsm(char *str)
76 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
77 return 1;
79 __setup("security=", choose_lsm);
81 /**
82 * security_module_enable - Load given security module on boot ?
83 * @ops: a pointer to the struct security_operations that is to be checked.
85 * Each LSM must pass this method before registering its own operations
86 * to avoid security registration races. This method may also be used
87 * to check if your LSM is currently loaded during kernel initialization.
89 * Return true if:
90 * -The passed LSM is the one chosen by user at boot time,
91 * -or the passed LSM is configured as the default and the user did not
92 * choose an alternate LSM at boot time,
93 * -or there is no default LSM set and the user didn't specify a
94 * specific LSM and we're the first to ask for registration permission,
95 * -or the passed LSM is currently loaded.
96 * Otherwise, return false.
98 int __init security_module_enable(struct security_operations *ops)
100 if (!*chosen_lsm)
101 strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
102 else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
103 return 0;
105 return 1;
109 * register_security - registers a security framework with the kernel
110 * @ops: a pointer to the struct security_options that is to be registered
112 * This function allows a security module to register itself with the
113 * kernel security subsystem. Some rudimentary checking is done on the @ops
114 * value passed to this function. You'll need to check first if your LSM
115 * is allowed to register its @ops by calling security_module_enable(@ops).
117 * If there is already a security module registered with the kernel,
118 * an error will be returned. Otherwise %0 is returned on success.
120 int __init register_security(struct security_operations *ops)
122 if (verify(ops)) {
123 printk(KERN_DEBUG "%s could not verify "
124 "security_operations structure.\n", __func__);
125 return -EINVAL;
128 if (security_ops != &default_security_ops)
129 return -EAGAIN;
131 security_ops = ops;
133 return 0;
136 /* Security operations */
138 int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
140 return security_ops->ptrace_access_check(child, mode);
143 int security_ptrace_traceme(struct task_struct *parent)
145 return security_ops->ptrace_traceme(parent);
148 int security_capget(struct task_struct *target,
149 kernel_cap_t *effective,
150 kernel_cap_t *inheritable,
151 kernel_cap_t *permitted)
153 return security_ops->capget(target, effective, inheritable, permitted);
156 int security_capset(struct cred *new, const struct cred *old,
157 const kernel_cap_t *effective,
158 const kernel_cap_t *inheritable,
159 const kernel_cap_t *permitted)
161 return security_ops->capset(new, old,
162 effective, inheritable, permitted);
165 int security_capable(int cap)
167 return security_ops->capable(current, current_cred(), cap,
168 SECURITY_CAP_AUDIT);
171 int security_real_capable(struct task_struct *tsk, int cap)
173 const struct cred *cred;
174 int ret;
176 cred = get_task_cred(tsk);
177 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_AUDIT);
178 put_cred(cred);
179 return ret;
182 int security_real_capable_noaudit(struct task_struct *tsk, int cap)
184 const struct cred *cred;
185 int ret;
187 cred = get_task_cred(tsk);
188 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_NOAUDIT);
189 put_cred(cred);
190 return ret;
193 int security_sysctl(struct ctl_table *table, int op)
195 return security_ops->sysctl(table, op);
198 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
200 return security_ops->quotactl(cmds, type, id, sb);
203 int security_quota_on(struct dentry *dentry)
205 return security_ops->quota_on(dentry);
208 int security_syslog(int type, bool from_file)
210 return security_ops->syslog(type, from_file);
213 int security_settime(struct timespec *ts, struct timezone *tz)
215 return security_ops->settime(ts, tz);
218 int security_vm_enough_memory(long pages)
220 WARN_ON(current->mm == NULL);
221 return security_ops->vm_enough_memory(current->mm, pages);
224 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
226 WARN_ON(mm == NULL);
227 return security_ops->vm_enough_memory(mm, pages);
230 int security_vm_enough_memory_kern(long pages)
232 /* If current->mm is a kernel thread then we will pass NULL,
233 for this specific case that is fine */
234 return security_ops->vm_enough_memory(current->mm, pages);
237 int security_bprm_set_creds(struct linux_binprm *bprm)
239 return security_ops->bprm_set_creds(bprm);
242 int security_bprm_check(struct linux_binprm *bprm)
244 int ret;
246 ret = security_ops->bprm_check_security(bprm);
247 if (ret)
248 return ret;
249 return ima_bprm_check(bprm);
252 void security_bprm_committing_creds(struct linux_binprm *bprm)
254 security_ops->bprm_committing_creds(bprm);
257 void security_bprm_committed_creds(struct linux_binprm *bprm)
259 security_ops->bprm_committed_creds(bprm);
262 int security_bprm_secureexec(struct linux_binprm *bprm)
264 return security_ops->bprm_secureexec(bprm);
267 int security_sb_alloc(struct super_block *sb)
269 return security_ops->sb_alloc_security(sb);
272 void security_sb_free(struct super_block *sb)
274 security_ops->sb_free_security(sb);
277 int security_sb_copy_data(char *orig, char *copy)
279 return security_ops->sb_copy_data(orig, copy);
281 EXPORT_SYMBOL(security_sb_copy_data);
283 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
285 return security_ops->sb_kern_mount(sb, flags, data);
288 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
290 return security_ops->sb_show_options(m, sb);
293 int security_sb_statfs(struct dentry *dentry)
295 return security_ops->sb_statfs(dentry);
298 int security_sb_mount(char *dev_name, struct path *path,
299 char *type, unsigned long flags, void *data)
301 return security_ops->sb_mount(dev_name, path, type, flags, data);
304 int security_sb_umount(struct vfsmount *mnt, int flags)
306 return security_ops->sb_umount(mnt, flags);
309 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
311 return security_ops->sb_pivotroot(old_path, new_path);
314 int security_sb_set_mnt_opts(struct super_block *sb,
315 struct security_mnt_opts *opts)
317 return security_ops->sb_set_mnt_opts(sb, opts);
319 EXPORT_SYMBOL(security_sb_set_mnt_opts);
321 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
322 struct super_block *newsb)
324 security_ops->sb_clone_mnt_opts(oldsb, newsb);
326 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
328 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
330 return security_ops->sb_parse_opts_str(options, opts);
332 EXPORT_SYMBOL(security_sb_parse_opts_str);
334 int security_inode_alloc(struct inode *inode)
336 int ret;
338 inode->i_security = NULL;
339 ret = security_ops->inode_alloc_security(inode);
340 if (ret)
341 return ret;
342 ret = ima_inode_alloc(inode);
343 if (ret)
344 security_inode_free(inode);
345 return ret;
348 void security_inode_free(struct inode *inode)
350 ima_inode_free(inode);
351 security_ops->inode_free_security(inode);
354 int security_inode_init_security(struct inode *inode, struct inode *dir,
355 char **name, void **value, size_t *len)
357 if (unlikely(IS_PRIVATE(inode)))
358 return -EOPNOTSUPP;
359 return security_ops->inode_init_security(inode, dir, name, value, len);
361 EXPORT_SYMBOL(security_inode_init_security);
363 #ifdef CONFIG_SECURITY_PATH
364 int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
365 unsigned int dev)
367 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
368 return 0;
369 return security_ops->path_mknod(dir, dentry, mode, dev);
371 EXPORT_SYMBOL(security_path_mknod);
373 int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
375 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
376 return 0;
377 return security_ops->path_mkdir(dir, dentry, mode);
380 int security_path_rmdir(struct path *dir, struct dentry *dentry)
382 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
383 return 0;
384 return security_ops->path_rmdir(dir, dentry);
387 int security_path_unlink(struct path *dir, struct dentry *dentry)
389 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
390 return 0;
391 return security_ops->path_unlink(dir, dentry);
394 int security_path_symlink(struct path *dir, struct dentry *dentry,
395 const char *old_name)
397 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
398 return 0;
399 return security_ops->path_symlink(dir, dentry, old_name);
402 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
403 struct dentry *new_dentry)
405 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
406 return 0;
407 return security_ops->path_link(old_dentry, new_dir, new_dentry);
410 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
411 struct path *new_dir, struct dentry *new_dentry)
413 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
414 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
415 return 0;
416 return security_ops->path_rename(old_dir, old_dentry, new_dir,
417 new_dentry);
420 int security_path_truncate(struct path *path, loff_t length,
421 unsigned int time_attrs)
423 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
424 return 0;
425 return security_ops->path_truncate(path, length, time_attrs);
428 int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
429 mode_t mode)
431 if (unlikely(IS_PRIVATE(dentry->d_inode)))
432 return 0;
433 return security_ops->path_chmod(dentry, mnt, mode);
436 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
438 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
439 return 0;
440 return security_ops->path_chown(path, uid, gid);
443 int security_path_chroot(struct path *path)
445 return security_ops->path_chroot(path);
447 #endif
449 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
451 if (unlikely(IS_PRIVATE(dir)))
452 return 0;
453 return security_ops->inode_create(dir, dentry, mode);
455 EXPORT_SYMBOL_GPL(security_inode_create);
457 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
458 struct dentry *new_dentry)
460 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
461 return 0;
462 return security_ops->inode_link(old_dentry, dir, new_dentry);
465 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
467 if (unlikely(IS_PRIVATE(dentry->d_inode)))
468 return 0;
469 return security_ops->inode_unlink(dir, dentry);
472 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
473 const char *old_name)
475 if (unlikely(IS_PRIVATE(dir)))
476 return 0;
477 return security_ops->inode_symlink(dir, dentry, old_name);
480 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
482 if (unlikely(IS_PRIVATE(dir)))
483 return 0;
484 return security_ops->inode_mkdir(dir, dentry, mode);
486 EXPORT_SYMBOL_GPL(security_inode_mkdir);
488 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
490 if (unlikely(IS_PRIVATE(dentry->d_inode)))
491 return 0;
492 return security_ops->inode_rmdir(dir, dentry);
495 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
497 if (unlikely(IS_PRIVATE(dir)))
498 return 0;
499 return security_ops->inode_mknod(dir, dentry, mode, dev);
502 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
503 struct inode *new_dir, struct dentry *new_dentry)
505 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
506 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
507 return 0;
508 return security_ops->inode_rename(old_dir, old_dentry,
509 new_dir, new_dentry);
512 int security_inode_readlink(struct dentry *dentry)
514 if (unlikely(IS_PRIVATE(dentry->d_inode)))
515 return 0;
516 return security_ops->inode_readlink(dentry);
519 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
521 if (unlikely(IS_PRIVATE(dentry->d_inode)))
522 return 0;
523 return security_ops->inode_follow_link(dentry, nd);
526 int security_inode_permission(struct inode *inode, int mask)
528 if (unlikely(IS_PRIVATE(inode)))
529 return 0;
530 return security_ops->inode_permission(inode, mask);
533 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
535 if (unlikely(IS_PRIVATE(dentry->d_inode)))
536 return 0;
537 return security_ops->inode_setattr(dentry, attr);
539 EXPORT_SYMBOL_GPL(security_inode_setattr);
541 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
543 if (unlikely(IS_PRIVATE(dentry->d_inode)))
544 return 0;
545 return security_ops->inode_getattr(mnt, dentry);
548 int security_inode_setxattr(struct dentry *dentry, const char *name,
549 const void *value, size_t size, int flags)
551 if (unlikely(IS_PRIVATE(dentry->d_inode)))
552 return 0;
553 return security_ops->inode_setxattr(dentry, name, value, size, flags);
556 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
557 const void *value, size_t size, int flags)
559 if (unlikely(IS_PRIVATE(dentry->d_inode)))
560 return;
561 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
564 int security_inode_getxattr(struct dentry *dentry, const char *name)
566 if (unlikely(IS_PRIVATE(dentry->d_inode)))
567 return 0;
568 return security_ops->inode_getxattr(dentry, name);
571 int security_inode_listxattr(struct dentry *dentry)
573 if (unlikely(IS_PRIVATE(dentry->d_inode)))
574 return 0;
575 return security_ops->inode_listxattr(dentry);
578 int security_inode_removexattr(struct dentry *dentry, const char *name)
580 if (unlikely(IS_PRIVATE(dentry->d_inode)))
581 return 0;
582 return security_ops->inode_removexattr(dentry, name);
585 int security_inode_need_killpriv(struct dentry *dentry)
587 return security_ops->inode_need_killpriv(dentry);
590 int security_inode_killpriv(struct dentry *dentry)
592 return security_ops->inode_killpriv(dentry);
595 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
597 if (unlikely(IS_PRIVATE(inode)))
598 return -EOPNOTSUPP;
599 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
602 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
604 if (unlikely(IS_PRIVATE(inode)))
605 return -EOPNOTSUPP;
606 return security_ops->inode_setsecurity(inode, name, value, size, flags);
609 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
611 if (unlikely(IS_PRIVATE(inode)))
612 return 0;
613 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
616 void security_inode_getsecid(const struct inode *inode, u32 *secid)
618 security_ops->inode_getsecid(inode, secid);
621 int security_file_permission(struct file *file, int mask)
623 return security_ops->file_permission(file, mask);
626 int security_file_alloc(struct file *file)
628 return security_ops->file_alloc_security(file);
631 void security_file_free(struct file *file)
633 security_ops->file_free_security(file);
636 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
638 return security_ops->file_ioctl(file, cmd, arg);
641 int security_file_mmap(struct file *file, unsigned long reqprot,
642 unsigned long prot, unsigned long flags,
643 unsigned long addr, unsigned long addr_only)
645 int ret;
647 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
648 if (ret)
649 return ret;
650 return ima_file_mmap(file, prot);
653 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
654 unsigned long prot)
656 return security_ops->file_mprotect(vma, reqprot, prot);
659 int security_file_lock(struct file *file, unsigned int cmd)
661 return security_ops->file_lock(file, cmd);
664 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
666 return security_ops->file_fcntl(file, cmd, arg);
669 int security_file_set_fowner(struct file *file)
671 return security_ops->file_set_fowner(file);
674 int security_file_send_sigiotask(struct task_struct *tsk,
675 struct fown_struct *fown, int sig)
677 return security_ops->file_send_sigiotask(tsk, fown, sig);
680 int security_file_receive(struct file *file)
682 return security_ops->file_receive(file);
685 int security_dentry_open(struct file *file, const struct cred *cred)
687 return security_ops->dentry_open(file, cred);
690 int security_task_create(unsigned long clone_flags)
692 return security_ops->task_create(clone_flags);
695 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
697 return security_ops->cred_alloc_blank(cred, gfp);
700 void security_cred_free(struct cred *cred)
702 security_ops->cred_free(cred);
705 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
707 return security_ops->cred_prepare(new, old, gfp);
710 void security_transfer_creds(struct cred *new, const struct cred *old)
712 security_ops->cred_transfer(new, old);
715 int security_kernel_act_as(struct cred *new, u32 secid)
717 return security_ops->kernel_act_as(new, secid);
720 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
722 return security_ops->kernel_create_files_as(new, inode);
725 int security_kernel_module_request(char *kmod_name)
727 return security_ops->kernel_module_request(kmod_name);
730 int security_task_fix_setuid(struct cred *new, const struct cred *old,
731 int flags)
733 return security_ops->task_fix_setuid(new, old, flags);
736 int security_task_setpgid(struct task_struct *p, pid_t pgid)
738 return security_ops->task_setpgid(p, pgid);
741 int security_task_getpgid(struct task_struct *p)
743 return security_ops->task_getpgid(p);
746 int security_task_getsid(struct task_struct *p)
748 return security_ops->task_getsid(p);
751 void security_task_getsecid(struct task_struct *p, u32 *secid)
753 security_ops->task_getsecid(p, secid);
755 EXPORT_SYMBOL(security_task_getsecid);
757 int security_task_setnice(struct task_struct *p, int nice)
759 return security_ops->task_setnice(p, nice);
762 int security_task_setioprio(struct task_struct *p, int ioprio)
764 return security_ops->task_setioprio(p, ioprio);
767 int security_task_getioprio(struct task_struct *p)
769 return security_ops->task_getioprio(p);
772 int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
774 return security_ops->task_setrlimit(resource, new_rlim);
777 int security_task_setscheduler(struct task_struct *p,
778 int policy, struct sched_param *lp)
780 return security_ops->task_setscheduler(p, policy, lp);
783 int security_task_getscheduler(struct task_struct *p)
785 return security_ops->task_getscheduler(p);
788 int security_task_movememory(struct task_struct *p)
790 return security_ops->task_movememory(p);
793 int security_task_kill(struct task_struct *p, struct siginfo *info,
794 int sig, u32 secid)
796 return security_ops->task_kill(p, info, sig, secid);
799 int security_task_wait(struct task_struct *p)
801 return security_ops->task_wait(p);
804 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
805 unsigned long arg4, unsigned long arg5)
807 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
810 void security_task_to_inode(struct task_struct *p, struct inode *inode)
812 security_ops->task_to_inode(p, inode);
815 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
817 return security_ops->ipc_permission(ipcp, flag);
820 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
822 security_ops->ipc_getsecid(ipcp, secid);
825 int security_msg_msg_alloc(struct msg_msg *msg)
827 return security_ops->msg_msg_alloc_security(msg);
830 void security_msg_msg_free(struct msg_msg *msg)
832 security_ops->msg_msg_free_security(msg);
835 int security_msg_queue_alloc(struct msg_queue *msq)
837 return security_ops->msg_queue_alloc_security(msq);
840 void security_msg_queue_free(struct msg_queue *msq)
842 security_ops->msg_queue_free_security(msq);
845 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
847 return security_ops->msg_queue_associate(msq, msqflg);
850 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
852 return security_ops->msg_queue_msgctl(msq, cmd);
855 int security_msg_queue_msgsnd(struct msg_queue *msq,
856 struct msg_msg *msg, int msqflg)
858 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
861 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
862 struct task_struct *target, long type, int mode)
864 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
867 int security_shm_alloc(struct shmid_kernel *shp)
869 return security_ops->shm_alloc_security(shp);
872 void security_shm_free(struct shmid_kernel *shp)
874 security_ops->shm_free_security(shp);
877 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
879 return security_ops->shm_associate(shp, shmflg);
882 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
884 return security_ops->shm_shmctl(shp, cmd);
887 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
889 return security_ops->shm_shmat(shp, shmaddr, shmflg);
892 int security_sem_alloc(struct sem_array *sma)
894 return security_ops->sem_alloc_security(sma);
897 void security_sem_free(struct sem_array *sma)
899 security_ops->sem_free_security(sma);
902 int security_sem_associate(struct sem_array *sma, int semflg)
904 return security_ops->sem_associate(sma, semflg);
907 int security_sem_semctl(struct sem_array *sma, int cmd)
909 return security_ops->sem_semctl(sma, cmd);
912 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
913 unsigned nsops, int alter)
915 return security_ops->sem_semop(sma, sops, nsops, alter);
918 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
920 if (unlikely(inode && IS_PRIVATE(inode)))
921 return;
922 security_ops->d_instantiate(dentry, inode);
924 EXPORT_SYMBOL(security_d_instantiate);
926 int security_getprocattr(struct task_struct *p, char *name, char **value)
928 return security_ops->getprocattr(p, name, value);
931 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
933 return security_ops->setprocattr(p, name, value, size);
936 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
938 return security_ops->netlink_send(sk, skb);
941 int security_netlink_recv(struct sk_buff *skb, int cap)
943 return security_ops->netlink_recv(skb, cap);
945 EXPORT_SYMBOL(security_netlink_recv);
947 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
949 return security_ops->secid_to_secctx(secid, secdata, seclen);
951 EXPORT_SYMBOL(security_secid_to_secctx);
953 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
955 return security_ops->secctx_to_secid(secdata, seclen, secid);
957 EXPORT_SYMBOL(security_secctx_to_secid);
959 void security_release_secctx(char *secdata, u32 seclen)
961 security_ops->release_secctx(secdata, seclen);
963 EXPORT_SYMBOL(security_release_secctx);
965 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
967 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
969 EXPORT_SYMBOL(security_inode_notifysecctx);
971 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
973 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
975 EXPORT_SYMBOL(security_inode_setsecctx);
977 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
979 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
981 EXPORT_SYMBOL(security_inode_getsecctx);
983 #ifdef CONFIG_SECURITY_NETWORK
985 int security_unix_stream_connect(struct socket *sock, struct socket *other,
986 struct sock *newsk)
988 return security_ops->unix_stream_connect(sock, other, newsk);
990 EXPORT_SYMBOL(security_unix_stream_connect);
992 int security_unix_may_send(struct socket *sock, struct socket *other)
994 return security_ops->unix_may_send(sock, other);
996 EXPORT_SYMBOL(security_unix_may_send);
998 int security_socket_create(int family, int type, int protocol, int kern)
1000 return security_ops->socket_create(family, type, protocol, kern);
1003 int security_socket_post_create(struct socket *sock, int family,
1004 int type, int protocol, int kern)
1006 return security_ops->socket_post_create(sock, family, type,
1007 protocol, kern);
1010 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1012 return security_ops->socket_bind(sock, address, addrlen);
1015 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1017 return security_ops->socket_connect(sock, address, addrlen);
1020 int security_socket_listen(struct socket *sock, int backlog)
1022 return security_ops->socket_listen(sock, backlog);
1025 int security_socket_accept(struct socket *sock, struct socket *newsock)
1027 return security_ops->socket_accept(sock, newsock);
1030 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1032 return security_ops->socket_sendmsg(sock, msg, size);
1035 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1036 int size, int flags)
1038 return security_ops->socket_recvmsg(sock, msg, size, flags);
1041 int security_socket_getsockname(struct socket *sock)
1043 return security_ops->socket_getsockname(sock);
1046 int security_socket_getpeername(struct socket *sock)
1048 return security_ops->socket_getpeername(sock);
1051 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1053 return security_ops->socket_getsockopt(sock, level, optname);
1056 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1058 return security_ops->socket_setsockopt(sock, level, optname);
1061 int security_socket_shutdown(struct socket *sock, int how)
1063 return security_ops->socket_shutdown(sock, how);
1066 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1068 return security_ops->socket_sock_rcv_skb(sk, skb);
1070 EXPORT_SYMBOL(security_sock_rcv_skb);
1072 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1073 int __user *optlen, unsigned len)
1075 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1078 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1080 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1082 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1084 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1086 return security_ops->sk_alloc_security(sk, family, priority);
1089 void security_sk_free(struct sock *sk)
1091 security_ops->sk_free_security(sk);
1094 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1096 security_ops->sk_clone_security(sk, newsk);
1099 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1101 security_ops->sk_getsecid(sk, &fl->secid);
1103 EXPORT_SYMBOL(security_sk_classify_flow);
1105 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1107 security_ops->req_classify_flow(req, fl);
1109 EXPORT_SYMBOL(security_req_classify_flow);
1111 void security_sock_graft(struct sock *sk, struct socket *parent)
1113 security_ops->sock_graft(sk, parent);
1115 EXPORT_SYMBOL(security_sock_graft);
1117 int security_inet_conn_request(struct sock *sk,
1118 struct sk_buff *skb, struct request_sock *req)
1120 return security_ops->inet_conn_request(sk, skb, req);
1122 EXPORT_SYMBOL(security_inet_conn_request);
1124 void security_inet_csk_clone(struct sock *newsk,
1125 const struct request_sock *req)
1127 security_ops->inet_csk_clone(newsk, req);
1130 void security_inet_conn_established(struct sock *sk,
1131 struct sk_buff *skb)
1133 security_ops->inet_conn_established(sk, skb);
1136 int security_tun_dev_create(void)
1138 return security_ops->tun_dev_create();
1140 EXPORT_SYMBOL(security_tun_dev_create);
1142 void security_tun_dev_post_create(struct sock *sk)
1144 return security_ops->tun_dev_post_create(sk);
1146 EXPORT_SYMBOL(security_tun_dev_post_create);
1148 int security_tun_dev_attach(struct sock *sk)
1150 return security_ops->tun_dev_attach(sk);
1152 EXPORT_SYMBOL(security_tun_dev_attach);
1154 #endif /* CONFIG_SECURITY_NETWORK */
1156 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1158 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1160 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1162 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1164 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1165 struct xfrm_sec_ctx **new_ctxp)
1167 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1170 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1172 security_ops->xfrm_policy_free_security(ctx);
1174 EXPORT_SYMBOL(security_xfrm_policy_free);
1176 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1178 return security_ops->xfrm_policy_delete_security(ctx);
1181 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1183 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1185 EXPORT_SYMBOL(security_xfrm_state_alloc);
1187 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1188 struct xfrm_sec_ctx *polsec, u32 secid)
1190 if (!polsec)
1191 return 0;
1193 * We want the context to be taken from secid which is usually
1194 * from the sock.
1196 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1199 int security_xfrm_state_delete(struct xfrm_state *x)
1201 return security_ops->xfrm_state_delete_security(x);
1203 EXPORT_SYMBOL(security_xfrm_state_delete);
1205 void security_xfrm_state_free(struct xfrm_state *x)
1207 security_ops->xfrm_state_free_security(x);
1210 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1212 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1215 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1216 struct xfrm_policy *xp, struct flowi *fl)
1218 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1221 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1223 return security_ops->xfrm_decode_session(skb, secid, 1);
1226 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1228 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1230 BUG_ON(rc);
1232 EXPORT_SYMBOL(security_skb_classify_flow);
1234 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1236 #ifdef CONFIG_KEYS
1238 int security_key_alloc(struct key *key, const struct cred *cred,
1239 unsigned long flags)
1241 return security_ops->key_alloc(key, cred, flags);
1244 void security_key_free(struct key *key)
1246 security_ops->key_free(key);
1249 int security_key_permission(key_ref_t key_ref,
1250 const struct cred *cred, key_perm_t perm)
1252 return security_ops->key_permission(key_ref, cred, perm);
1255 int security_key_getsecurity(struct key *key, char **_buffer)
1257 return security_ops->key_getsecurity(key, _buffer);
1260 #endif /* CONFIG_KEYS */
1262 #ifdef CONFIG_AUDIT
1264 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1266 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1269 int security_audit_rule_known(struct audit_krule *krule)
1271 return security_ops->audit_rule_known(krule);
1274 void security_audit_rule_free(void *lsmrule)
1276 security_ops->audit_rule_free(lsmrule);
1279 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1280 struct audit_context *actx)
1282 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1285 #endif /* CONFIG_AUDIT */