capabilities: remove all _real_ interfaces
[linux/fpc-iii.git] / security / security.c
blob8900c5c4db5c5a754d61b62fb4b5112d7337edcc
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 * Otherwise, return false.
95 int __init security_module_enable(struct security_operations *ops)
97 return !strcmp(ops->name, chosen_lsm);
101 * register_security - registers a security framework with the kernel
102 * @ops: a pointer to the struct security_options that is to be registered
104 * This function allows a security module to register itself with the
105 * kernel security subsystem. Some rudimentary checking is done on the @ops
106 * value passed to this function. You'll need to check first if your LSM
107 * is allowed to register its @ops by calling security_module_enable(@ops).
109 * If there is already a security module registered with the kernel,
110 * an error will be returned. Otherwise %0 is returned on success.
112 int __init register_security(struct security_operations *ops)
114 if (verify(ops)) {
115 printk(KERN_DEBUG "%s could not verify "
116 "security_operations structure.\n", __func__);
117 return -EINVAL;
120 if (security_ops != &default_security_ops)
121 return -EAGAIN;
123 security_ops = ops;
125 return 0;
128 /* Security operations */
130 int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
132 return security_ops->ptrace_access_check(child, mode);
135 int security_ptrace_traceme(struct task_struct *parent)
137 return security_ops->ptrace_traceme(parent);
140 int security_capget(struct task_struct *target,
141 kernel_cap_t *effective,
142 kernel_cap_t *inheritable,
143 kernel_cap_t *permitted)
145 return security_ops->capget(target, effective, inheritable, permitted);
148 int security_capset(struct cred *new, const struct cred *old,
149 const kernel_cap_t *effective,
150 const kernel_cap_t *inheritable,
151 const kernel_cap_t *permitted)
153 return security_ops->capset(new, old,
154 effective, inheritable, permitted);
157 int security_capable(const struct cred *cred, struct user_namespace *ns,
158 int cap)
160 return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT);
163 int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
164 int cap)
166 return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
169 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
171 return security_ops->quotactl(cmds, type, id, sb);
174 int security_quota_on(struct dentry *dentry)
176 return security_ops->quota_on(dentry);
179 int security_syslog(int type)
181 return security_ops->syslog(type);
184 int security_settime(const struct timespec *ts, const struct timezone *tz)
186 return security_ops->settime(ts, tz);
189 int security_vm_enough_memory(long pages)
191 WARN_ON(current->mm == NULL);
192 return security_ops->vm_enough_memory(current->mm, pages);
195 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
197 WARN_ON(mm == NULL);
198 return security_ops->vm_enough_memory(mm, pages);
201 int security_vm_enough_memory_kern(long pages)
203 /* If current->mm is a kernel thread then we will pass NULL,
204 for this specific case that is fine */
205 return security_ops->vm_enough_memory(current->mm, pages);
208 int security_bprm_set_creds(struct linux_binprm *bprm)
210 return security_ops->bprm_set_creds(bprm);
213 int security_bprm_check(struct linux_binprm *bprm)
215 int ret;
217 ret = security_ops->bprm_check_security(bprm);
218 if (ret)
219 return ret;
220 return ima_bprm_check(bprm);
223 void security_bprm_committing_creds(struct linux_binprm *bprm)
225 security_ops->bprm_committing_creds(bprm);
228 void security_bprm_committed_creds(struct linux_binprm *bprm)
230 security_ops->bprm_committed_creds(bprm);
233 int security_bprm_secureexec(struct linux_binprm *bprm)
235 return security_ops->bprm_secureexec(bprm);
238 int security_sb_alloc(struct super_block *sb)
240 return security_ops->sb_alloc_security(sb);
243 void security_sb_free(struct super_block *sb)
245 security_ops->sb_free_security(sb);
248 int security_sb_copy_data(char *orig, char *copy)
250 return security_ops->sb_copy_data(orig, copy);
252 EXPORT_SYMBOL(security_sb_copy_data);
254 int security_sb_remount(struct super_block *sb, void *data)
256 return security_ops->sb_remount(sb, data);
259 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
261 return security_ops->sb_kern_mount(sb, flags, data);
264 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
266 return security_ops->sb_show_options(m, sb);
269 int security_sb_statfs(struct dentry *dentry)
271 return security_ops->sb_statfs(dentry);
274 int security_sb_mount(char *dev_name, struct path *path,
275 char *type, unsigned long flags, void *data)
277 return security_ops->sb_mount(dev_name, path, type, flags, data);
280 int security_sb_umount(struct vfsmount *mnt, int flags)
282 return security_ops->sb_umount(mnt, flags);
285 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
287 return security_ops->sb_pivotroot(old_path, new_path);
290 int security_sb_set_mnt_opts(struct super_block *sb,
291 struct security_mnt_opts *opts)
293 return security_ops->sb_set_mnt_opts(sb, opts);
295 EXPORT_SYMBOL(security_sb_set_mnt_opts);
297 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
298 struct super_block *newsb)
300 security_ops->sb_clone_mnt_opts(oldsb, newsb);
302 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
304 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
306 return security_ops->sb_parse_opts_str(options, opts);
308 EXPORT_SYMBOL(security_sb_parse_opts_str);
310 int security_inode_alloc(struct inode *inode)
312 inode->i_security = NULL;
313 return security_ops->inode_alloc_security(inode);
316 void security_inode_free(struct inode *inode)
318 ima_inode_free(inode);
319 security_ops->inode_free_security(inode);
322 int security_inode_init_security(struct inode *inode, struct inode *dir,
323 const struct qstr *qstr, char **name,
324 void **value, size_t *len)
326 if (unlikely(IS_PRIVATE(inode)))
327 return -EOPNOTSUPP;
328 return security_ops->inode_init_security(inode, dir, qstr, name, value,
329 len);
331 EXPORT_SYMBOL(security_inode_init_security);
333 #ifdef CONFIG_SECURITY_PATH
334 int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
335 unsigned int dev)
337 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
338 return 0;
339 return security_ops->path_mknod(dir, dentry, mode, dev);
341 EXPORT_SYMBOL(security_path_mknod);
343 int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
345 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
346 return 0;
347 return security_ops->path_mkdir(dir, dentry, mode);
349 EXPORT_SYMBOL(security_path_mkdir);
351 int security_path_rmdir(struct path *dir, struct dentry *dentry)
353 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
354 return 0;
355 return security_ops->path_rmdir(dir, dentry);
358 int security_path_unlink(struct path *dir, struct dentry *dentry)
360 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
361 return 0;
362 return security_ops->path_unlink(dir, dentry);
364 EXPORT_SYMBOL(security_path_unlink);
366 int security_path_symlink(struct path *dir, struct dentry *dentry,
367 const char *old_name)
369 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
370 return 0;
371 return security_ops->path_symlink(dir, dentry, old_name);
374 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
375 struct dentry *new_dentry)
377 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
378 return 0;
379 return security_ops->path_link(old_dentry, new_dir, new_dentry);
382 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
383 struct path *new_dir, struct dentry *new_dentry)
385 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
386 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
387 return 0;
388 return security_ops->path_rename(old_dir, old_dentry, new_dir,
389 new_dentry);
391 EXPORT_SYMBOL(security_path_rename);
393 int security_path_truncate(struct path *path)
395 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
396 return 0;
397 return security_ops->path_truncate(path);
400 int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
401 mode_t mode)
403 if (unlikely(IS_PRIVATE(dentry->d_inode)))
404 return 0;
405 return security_ops->path_chmod(dentry, mnt, mode);
408 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
410 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
411 return 0;
412 return security_ops->path_chown(path, uid, gid);
415 int security_path_chroot(struct path *path)
417 return security_ops->path_chroot(path);
419 #endif
421 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
423 if (unlikely(IS_PRIVATE(dir)))
424 return 0;
425 return security_ops->inode_create(dir, dentry, mode);
427 EXPORT_SYMBOL_GPL(security_inode_create);
429 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
430 struct dentry *new_dentry)
432 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
433 return 0;
434 return security_ops->inode_link(old_dentry, dir, new_dentry);
437 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
439 if (unlikely(IS_PRIVATE(dentry->d_inode)))
440 return 0;
441 return security_ops->inode_unlink(dir, dentry);
444 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
445 const char *old_name)
447 if (unlikely(IS_PRIVATE(dir)))
448 return 0;
449 return security_ops->inode_symlink(dir, dentry, old_name);
452 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
454 if (unlikely(IS_PRIVATE(dir)))
455 return 0;
456 return security_ops->inode_mkdir(dir, dentry, mode);
458 EXPORT_SYMBOL_GPL(security_inode_mkdir);
460 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
462 if (unlikely(IS_PRIVATE(dentry->d_inode)))
463 return 0;
464 return security_ops->inode_rmdir(dir, dentry);
467 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
469 if (unlikely(IS_PRIVATE(dir)))
470 return 0;
471 return security_ops->inode_mknod(dir, dentry, mode, dev);
474 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
475 struct inode *new_dir, struct dentry *new_dentry)
477 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
478 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
479 return 0;
480 return security_ops->inode_rename(old_dir, old_dentry,
481 new_dir, new_dentry);
484 int security_inode_readlink(struct dentry *dentry)
486 if (unlikely(IS_PRIVATE(dentry->d_inode)))
487 return 0;
488 return security_ops->inode_readlink(dentry);
491 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
493 if (unlikely(IS_PRIVATE(dentry->d_inode)))
494 return 0;
495 return security_ops->inode_follow_link(dentry, nd);
498 int security_inode_permission(struct inode *inode, int mask)
500 if (unlikely(IS_PRIVATE(inode)))
501 return 0;
502 return security_ops->inode_permission(inode, mask);
505 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
507 if (unlikely(IS_PRIVATE(dentry->d_inode)))
508 return 0;
509 return security_ops->inode_setattr(dentry, attr);
511 EXPORT_SYMBOL_GPL(security_inode_setattr);
513 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
515 if (unlikely(IS_PRIVATE(dentry->d_inode)))
516 return 0;
517 return security_ops->inode_getattr(mnt, dentry);
520 int security_inode_setxattr(struct dentry *dentry, const char *name,
521 const void *value, size_t size, int flags)
523 if (unlikely(IS_PRIVATE(dentry->d_inode)))
524 return 0;
525 return security_ops->inode_setxattr(dentry, name, value, size, flags);
528 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
529 const void *value, size_t size, int flags)
531 if (unlikely(IS_PRIVATE(dentry->d_inode)))
532 return;
533 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
536 int security_inode_getxattr(struct dentry *dentry, const char *name)
538 if (unlikely(IS_PRIVATE(dentry->d_inode)))
539 return 0;
540 return security_ops->inode_getxattr(dentry, name);
543 int security_inode_listxattr(struct dentry *dentry)
545 if (unlikely(IS_PRIVATE(dentry->d_inode)))
546 return 0;
547 return security_ops->inode_listxattr(dentry);
550 int security_inode_removexattr(struct dentry *dentry, const char *name)
552 if (unlikely(IS_PRIVATE(dentry->d_inode)))
553 return 0;
554 return security_ops->inode_removexattr(dentry, name);
557 int security_inode_need_killpriv(struct dentry *dentry)
559 return security_ops->inode_need_killpriv(dentry);
562 int security_inode_killpriv(struct dentry *dentry)
564 return security_ops->inode_killpriv(dentry);
567 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
569 if (unlikely(IS_PRIVATE(inode)))
570 return -EOPNOTSUPP;
571 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
574 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
576 if (unlikely(IS_PRIVATE(inode)))
577 return -EOPNOTSUPP;
578 return security_ops->inode_setsecurity(inode, name, value, size, flags);
581 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
583 if (unlikely(IS_PRIVATE(inode)))
584 return 0;
585 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
588 void security_inode_getsecid(const struct inode *inode, u32 *secid)
590 security_ops->inode_getsecid(inode, secid);
593 int security_file_permission(struct file *file, int mask)
595 int ret;
597 ret = security_ops->file_permission(file, mask);
598 if (ret)
599 return ret;
601 return fsnotify_perm(file, mask);
604 int security_file_alloc(struct file *file)
606 return security_ops->file_alloc_security(file);
609 void security_file_free(struct file *file)
611 security_ops->file_free_security(file);
614 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
616 return security_ops->file_ioctl(file, cmd, arg);
619 int security_file_mmap(struct file *file, unsigned long reqprot,
620 unsigned long prot, unsigned long flags,
621 unsigned long addr, unsigned long addr_only)
623 int ret;
625 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
626 if (ret)
627 return ret;
628 return ima_file_mmap(file, prot);
631 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
632 unsigned long prot)
634 return security_ops->file_mprotect(vma, reqprot, prot);
637 int security_file_lock(struct file *file, unsigned int cmd)
639 return security_ops->file_lock(file, cmd);
642 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
644 return security_ops->file_fcntl(file, cmd, arg);
647 int security_file_set_fowner(struct file *file)
649 return security_ops->file_set_fowner(file);
652 int security_file_send_sigiotask(struct task_struct *tsk,
653 struct fown_struct *fown, int sig)
655 return security_ops->file_send_sigiotask(tsk, fown, sig);
658 int security_file_receive(struct file *file)
660 return security_ops->file_receive(file);
663 int security_dentry_open(struct file *file, const struct cred *cred)
665 int ret;
667 ret = security_ops->dentry_open(file, cred);
668 if (ret)
669 return ret;
671 return fsnotify_perm(file, MAY_OPEN);
674 int security_task_create(unsigned long clone_flags)
676 return security_ops->task_create(clone_flags);
679 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
681 return security_ops->cred_alloc_blank(cred, gfp);
684 void security_cred_free(struct cred *cred)
686 security_ops->cred_free(cred);
689 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
691 return security_ops->cred_prepare(new, old, gfp);
694 void security_transfer_creds(struct cred *new, const struct cred *old)
696 security_ops->cred_transfer(new, old);
699 int security_kernel_act_as(struct cred *new, u32 secid)
701 return security_ops->kernel_act_as(new, secid);
704 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
706 return security_ops->kernel_create_files_as(new, inode);
709 int security_kernel_module_request(char *kmod_name)
711 return security_ops->kernel_module_request(kmod_name);
714 int security_task_fix_setuid(struct cred *new, const struct cred *old,
715 int flags)
717 return security_ops->task_fix_setuid(new, old, flags);
720 int security_task_setpgid(struct task_struct *p, pid_t pgid)
722 return security_ops->task_setpgid(p, pgid);
725 int security_task_getpgid(struct task_struct *p)
727 return security_ops->task_getpgid(p);
730 int security_task_getsid(struct task_struct *p)
732 return security_ops->task_getsid(p);
735 void security_task_getsecid(struct task_struct *p, u32 *secid)
737 security_ops->task_getsecid(p, secid);
739 EXPORT_SYMBOL(security_task_getsecid);
741 int security_task_setnice(struct task_struct *p, int nice)
743 return security_ops->task_setnice(p, nice);
746 int security_task_setioprio(struct task_struct *p, int ioprio)
748 return security_ops->task_setioprio(p, ioprio);
751 int security_task_getioprio(struct task_struct *p)
753 return security_ops->task_getioprio(p);
756 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
757 struct rlimit *new_rlim)
759 return security_ops->task_setrlimit(p, resource, new_rlim);
762 int security_task_setscheduler(struct task_struct *p)
764 return security_ops->task_setscheduler(p);
767 int security_task_getscheduler(struct task_struct *p)
769 return security_ops->task_getscheduler(p);
772 int security_task_movememory(struct task_struct *p)
774 return security_ops->task_movememory(p);
777 int security_task_kill(struct task_struct *p, struct siginfo *info,
778 int sig, u32 secid)
780 return security_ops->task_kill(p, info, sig, secid);
783 int security_task_wait(struct task_struct *p)
785 return security_ops->task_wait(p);
788 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
789 unsigned long arg4, unsigned long arg5)
791 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
794 void security_task_to_inode(struct task_struct *p, struct inode *inode)
796 security_ops->task_to_inode(p, inode);
799 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
801 return security_ops->ipc_permission(ipcp, flag);
804 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
806 security_ops->ipc_getsecid(ipcp, secid);
809 int security_msg_msg_alloc(struct msg_msg *msg)
811 return security_ops->msg_msg_alloc_security(msg);
814 void security_msg_msg_free(struct msg_msg *msg)
816 security_ops->msg_msg_free_security(msg);
819 int security_msg_queue_alloc(struct msg_queue *msq)
821 return security_ops->msg_queue_alloc_security(msq);
824 void security_msg_queue_free(struct msg_queue *msq)
826 security_ops->msg_queue_free_security(msq);
829 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
831 return security_ops->msg_queue_associate(msq, msqflg);
834 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
836 return security_ops->msg_queue_msgctl(msq, cmd);
839 int security_msg_queue_msgsnd(struct msg_queue *msq,
840 struct msg_msg *msg, int msqflg)
842 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
845 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
846 struct task_struct *target, long type, int mode)
848 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
851 int security_shm_alloc(struct shmid_kernel *shp)
853 return security_ops->shm_alloc_security(shp);
856 void security_shm_free(struct shmid_kernel *shp)
858 security_ops->shm_free_security(shp);
861 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
863 return security_ops->shm_associate(shp, shmflg);
866 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
868 return security_ops->shm_shmctl(shp, cmd);
871 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
873 return security_ops->shm_shmat(shp, shmaddr, shmflg);
876 int security_sem_alloc(struct sem_array *sma)
878 return security_ops->sem_alloc_security(sma);
881 void security_sem_free(struct sem_array *sma)
883 security_ops->sem_free_security(sma);
886 int security_sem_associate(struct sem_array *sma, int semflg)
888 return security_ops->sem_associate(sma, semflg);
891 int security_sem_semctl(struct sem_array *sma, int cmd)
893 return security_ops->sem_semctl(sma, cmd);
896 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
897 unsigned nsops, int alter)
899 return security_ops->sem_semop(sma, sops, nsops, alter);
902 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
904 if (unlikely(inode && IS_PRIVATE(inode)))
905 return;
906 security_ops->d_instantiate(dentry, inode);
908 EXPORT_SYMBOL(security_d_instantiate);
910 int security_getprocattr(struct task_struct *p, char *name, char **value)
912 return security_ops->getprocattr(p, name, value);
915 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
917 return security_ops->setprocattr(p, name, value, size);
920 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
922 return security_ops->netlink_send(sk, skb);
925 int security_netlink_recv(struct sk_buff *skb, int cap)
927 return security_ops->netlink_recv(skb, cap);
929 EXPORT_SYMBOL(security_netlink_recv);
931 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
933 return security_ops->secid_to_secctx(secid, secdata, seclen);
935 EXPORT_SYMBOL(security_secid_to_secctx);
937 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
939 return security_ops->secctx_to_secid(secdata, seclen, secid);
941 EXPORT_SYMBOL(security_secctx_to_secid);
943 void security_release_secctx(char *secdata, u32 seclen)
945 security_ops->release_secctx(secdata, seclen);
947 EXPORT_SYMBOL(security_release_secctx);
949 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
951 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
953 EXPORT_SYMBOL(security_inode_notifysecctx);
955 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
957 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
959 EXPORT_SYMBOL(security_inode_setsecctx);
961 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
963 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
965 EXPORT_SYMBOL(security_inode_getsecctx);
967 #ifdef CONFIG_SECURITY_NETWORK
969 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
971 return security_ops->unix_stream_connect(sock, other, newsk);
973 EXPORT_SYMBOL(security_unix_stream_connect);
975 int security_unix_may_send(struct socket *sock, struct socket *other)
977 return security_ops->unix_may_send(sock, other);
979 EXPORT_SYMBOL(security_unix_may_send);
981 int security_socket_create(int family, int type, int protocol, int kern)
983 return security_ops->socket_create(family, type, protocol, kern);
986 int security_socket_post_create(struct socket *sock, int family,
987 int type, int protocol, int kern)
989 return security_ops->socket_post_create(sock, family, type,
990 protocol, kern);
993 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
995 return security_ops->socket_bind(sock, address, addrlen);
998 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1000 return security_ops->socket_connect(sock, address, addrlen);
1003 int security_socket_listen(struct socket *sock, int backlog)
1005 return security_ops->socket_listen(sock, backlog);
1008 int security_socket_accept(struct socket *sock, struct socket *newsock)
1010 return security_ops->socket_accept(sock, newsock);
1013 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1015 return security_ops->socket_sendmsg(sock, msg, size);
1018 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1019 int size, int flags)
1021 return security_ops->socket_recvmsg(sock, msg, size, flags);
1024 int security_socket_getsockname(struct socket *sock)
1026 return security_ops->socket_getsockname(sock);
1029 int security_socket_getpeername(struct socket *sock)
1031 return security_ops->socket_getpeername(sock);
1034 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1036 return security_ops->socket_getsockopt(sock, level, optname);
1039 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1041 return security_ops->socket_setsockopt(sock, level, optname);
1044 int security_socket_shutdown(struct socket *sock, int how)
1046 return security_ops->socket_shutdown(sock, how);
1049 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1051 return security_ops->socket_sock_rcv_skb(sk, skb);
1053 EXPORT_SYMBOL(security_sock_rcv_skb);
1055 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1056 int __user *optlen, unsigned len)
1058 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1061 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1063 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1065 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1067 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1069 return security_ops->sk_alloc_security(sk, family, priority);
1072 void security_sk_free(struct sock *sk)
1074 security_ops->sk_free_security(sk);
1077 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1079 security_ops->sk_clone_security(sk, newsk);
1081 EXPORT_SYMBOL(security_sk_clone);
1083 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1085 security_ops->sk_getsecid(sk, &fl->flowi_secid);
1087 EXPORT_SYMBOL(security_sk_classify_flow);
1089 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1091 security_ops->req_classify_flow(req, fl);
1093 EXPORT_SYMBOL(security_req_classify_flow);
1095 void security_sock_graft(struct sock *sk, struct socket *parent)
1097 security_ops->sock_graft(sk, parent);
1099 EXPORT_SYMBOL(security_sock_graft);
1101 int security_inet_conn_request(struct sock *sk,
1102 struct sk_buff *skb, struct request_sock *req)
1104 return security_ops->inet_conn_request(sk, skb, req);
1106 EXPORT_SYMBOL(security_inet_conn_request);
1108 void security_inet_csk_clone(struct sock *newsk,
1109 const struct request_sock *req)
1111 security_ops->inet_csk_clone(newsk, req);
1114 void security_inet_conn_established(struct sock *sk,
1115 struct sk_buff *skb)
1117 security_ops->inet_conn_established(sk, skb);
1120 int security_secmark_relabel_packet(u32 secid)
1122 return security_ops->secmark_relabel_packet(secid);
1124 EXPORT_SYMBOL(security_secmark_relabel_packet);
1126 void security_secmark_refcount_inc(void)
1128 security_ops->secmark_refcount_inc();
1130 EXPORT_SYMBOL(security_secmark_refcount_inc);
1132 void security_secmark_refcount_dec(void)
1134 security_ops->secmark_refcount_dec();
1136 EXPORT_SYMBOL(security_secmark_refcount_dec);
1138 int security_tun_dev_create(void)
1140 return security_ops->tun_dev_create();
1142 EXPORT_SYMBOL(security_tun_dev_create);
1144 void security_tun_dev_post_create(struct sock *sk)
1146 return security_ops->tun_dev_post_create(sk);
1148 EXPORT_SYMBOL(security_tun_dev_post_create);
1150 int security_tun_dev_attach(struct sock *sk)
1152 return security_ops->tun_dev_attach(sk);
1154 EXPORT_SYMBOL(security_tun_dev_attach);
1156 #endif /* CONFIG_SECURITY_NETWORK */
1158 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1160 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1162 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1164 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1166 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1167 struct xfrm_sec_ctx **new_ctxp)
1169 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1172 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1174 security_ops->xfrm_policy_free_security(ctx);
1176 EXPORT_SYMBOL(security_xfrm_policy_free);
1178 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1180 return security_ops->xfrm_policy_delete_security(ctx);
1183 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1185 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1187 EXPORT_SYMBOL(security_xfrm_state_alloc);
1189 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1190 struct xfrm_sec_ctx *polsec, u32 secid)
1192 if (!polsec)
1193 return 0;
1195 * We want the context to be taken from secid which is usually
1196 * from the sock.
1198 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1201 int security_xfrm_state_delete(struct xfrm_state *x)
1203 return security_ops->xfrm_state_delete_security(x);
1205 EXPORT_SYMBOL(security_xfrm_state_delete);
1207 void security_xfrm_state_free(struct xfrm_state *x)
1209 security_ops->xfrm_state_free_security(x);
1212 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1214 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1217 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1218 struct xfrm_policy *xp,
1219 const struct flowi *fl)
1221 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1224 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1226 return security_ops->xfrm_decode_session(skb, secid, 1);
1229 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1231 int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
1233 BUG_ON(rc);
1235 EXPORT_SYMBOL(security_skb_classify_flow);
1237 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1239 #ifdef CONFIG_KEYS
1241 int security_key_alloc(struct key *key, const struct cred *cred,
1242 unsigned long flags)
1244 return security_ops->key_alloc(key, cred, flags);
1247 void security_key_free(struct key *key)
1249 security_ops->key_free(key);
1252 int security_key_permission(key_ref_t key_ref,
1253 const struct cred *cred, key_perm_t perm)
1255 return security_ops->key_permission(key_ref, cred, perm);
1258 int security_key_getsecurity(struct key *key, char **_buffer)
1260 return security_ops->key_getsecurity(key, _buffer);
1263 #endif /* CONFIG_KEYS */
1265 #ifdef CONFIG_AUDIT
1267 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1269 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1272 int security_audit_rule_known(struct audit_krule *krule)
1274 return security_ops->audit_rule_known(krule);
1277 void security_audit_rule_free(void *lsmrule)
1279 security_ops->audit_rule_free(lsmrule);
1282 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1283 struct audit_context *actx)
1285 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1288 #endif /* CONFIG_AUDIT */