ocfs2: Make the left masklogs compat.
[taoma-kernel.git] / security / security.c
blob7b7308ace8c5b1b26bd79369d8c142ea6e14734c
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, int cap)
159 return security_ops->capable(current, cred, cap, SECURITY_CAP_AUDIT);
162 int security_real_capable(struct task_struct *tsk, int cap)
164 const struct cred *cred;
165 int ret;
167 cred = get_task_cred(tsk);
168 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_AUDIT);
169 put_cred(cred);
170 return ret;
173 int security_real_capable_noaudit(struct task_struct *tsk, int cap)
175 const struct cred *cred;
176 int ret;
178 cred = get_task_cred(tsk);
179 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_NOAUDIT);
180 put_cred(cred);
181 return ret;
184 int security_sysctl(struct ctl_table *table, int op)
186 return security_ops->sysctl(table, op);
189 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
191 return security_ops->quotactl(cmds, type, id, sb);
194 int security_quota_on(struct dentry *dentry)
196 return security_ops->quota_on(dentry);
199 int security_syslog(int type)
201 return security_ops->syslog(type);
204 int security_settime(struct timespec *ts, struct timezone *tz)
206 return security_ops->settime(ts, tz);
209 int security_vm_enough_memory(long pages)
211 WARN_ON(current->mm == NULL);
212 return security_ops->vm_enough_memory(current->mm, pages);
215 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
217 WARN_ON(mm == NULL);
218 return security_ops->vm_enough_memory(mm, pages);
221 int security_vm_enough_memory_kern(long pages)
223 /* If current->mm is a kernel thread then we will pass NULL,
224 for this specific case that is fine */
225 return security_ops->vm_enough_memory(current->mm, pages);
228 int security_bprm_set_creds(struct linux_binprm *bprm)
230 return security_ops->bprm_set_creds(bprm);
233 int security_bprm_check(struct linux_binprm *bprm)
235 int ret;
237 ret = security_ops->bprm_check_security(bprm);
238 if (ret)
239 return ret;
240 return ima_bprm_check(bprm);
243 void security_bprm_committing_creds(struct linux_binprm *bprm)
245 security_ops->bprm_committing_creds(bprm);
248 void security_bprm_committed_creds(struct linux_binprm *bprm)
250 security_ops->bprm_committed_creds(bprm);
253 int security_bprm_secureexec(struct linux_binprm *bprm)
255 return security_ops->bprm_secureexec(bprm);
258 int security_sb_alloc(struct super_block *sb)
260 return security_ops->sb_alloc_security(sb);
263 void security_sb_free(struct super_block *sb)
265 security_ops->sb_free_security(sb);
268 int security_sb_copy_data(char *orig, char *copy)
270 return security_ops->sb_copy_data(orig, copy);
272 EXPORT_SYMBOL(security_sb_copy_data);
274 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
276 return security_ops->sb_kern_mount(sb, flags, data);
279 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
281 return security_ops->sb_show_options(m, sb);
284 int security_sb_statfs(struct dentry *dentry)
286 return security_ops->sb_statfs(dentry);
289 int security_sb_mount(char *dev_name, struct path *path,
290 char *type, unsigned long flags, void *data)
292 return security_ops->sb_mount(dev_name, path, type, flags, data);
295 int security_sb_umount(struct vfsmount *mnt, int flags)
297 return security_ops->sb_umount(mnt, flags);
300 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
302 return security_ops->sb_pivotroot(old_path, new_path);
305 int security_sb_set_mnt_opts(struct super_block *sb,
306 struct security_mnt_opts *opts)
308 return security_ops->sb_set_mnt_opts(sb, opts);
310 EXPORT_SYMBOL(security_sb_set_mnt_opts);
312 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
313 struct super_block *newsb)
315 security_ops->sb_clone_mnt_opts(oldsb, newsb);
317 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
319 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
321 return security_ops->sb_parse_opts_str(options, opts);
323 EXPORT_SYMBOL(security_sb_parse_opts_str);
325 int security_inode_alloc(struct inode *inode)
327 inode->i_security = NULL;
328 return security_ops->inode_alloc_security(inode);
331 void security_inode_free(struct inode *inode)
333 ima_inode_free(inode);
334 security_ops->inode_free_security(inode);
337 int security_inode_init_security(struct inode *inode, struct inode *dir,
338 char **name, void **value, size_t *len)
340 if (unlikely(IS_PRIVATE(inode)))
341 return -EOPNOTSUPP;
342 return security_ops->inode_init_security(inode, dir, name, value, len);
344 EXPORT_SYMBOL(security_inode_init_security);
346 #ifdef CONFIG_SECURITY_PATH
347 int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
348 unsigned int dev)
350 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
351 return 0;
352 return security_ops->path_mknod(dir, dentry, mode, dev);
354 EXPORT_SYMBOL(security_path_mknod);
356 int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
358 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
359 return 0;
360 return security_ops->path_mkdir(dir, dentry, mode);
363 int security_path_rmdir(struct path *dir, struct dentry *dentry)
365 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
366 return 0;
367 return security_ops->path_rmdir(dir, dentry);
370 int security_path_unlink(struct path *dir, struct dentry *dentry)
372 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
373 return 0;
374 return security_ops->path_unlink(dir, dentry);
377 int security_path_symlink(struct path *dir, struct dentry *dentry,
378 const char *old_name)
380 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
381 return 0;
382 return security_ops->path_symlink(dir, dentry, old_name);
385 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
386 struct dentry *new_dentry)
388 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
389 return 0;
390 return security_ops->path_link(old_dentry, new_dir, new_dentry);
393 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
394 struct path *new_dir, struct dentry *new_dentry)
396 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
397 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
398 return 0;
399 return security_ops->path_rename(old_dir, old_dentry, new_dir,
400 new_dentry);
403 int security_path_truncate(struct path *path)
405 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
406 return 0;
407 return security_ops->path_truncate(path);
410 int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
411 mode_t mode)
413 if (unlikely(IS_PRIVATE(dentry->d_inode)))
414 return 0;
415 return security_ops->path_chmod(dentry, mnt, mode);
418 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
420 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
421 return 0;
422 return security_ops->path_chown(path, uid, gid);
425 int security_path_chroot(struct path *path)
427 return security_ops->path_chroot(path);
429 #endif
431 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
433 if (unlikely(IS_PRIVATE(dir)))
434 return 0;
435 return security_ops->inode_create(dir, dentry, mode);
437 EXPORT_SYMBOL_GPL(security_inode_create);
439 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
440 struct dentry *new_dentry)
442 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
443 return 0;
444 return security_ops->inode_link(old_dentry, dir, new_dentry);
447 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
449 if (unlikely(IS_PRIVATE(dentry->d_inode)))
450 return 0;
451 return security_ops->inode_unlink(dir, dentry);
454 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
455 const char *old_name)
457 if (unlikely(IS_PRIVATE(dir)))
458 return 0;
459 return security_ops->inode_symlink(dir, dentry, old_name);
462 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
464 if (unlikely(IS_PRIVATE(dir)))
465 return 0;
466 return security_ops->inode_mkdir(dir, dentry, mode);
468 EXPORT_SYMBOL_GPL(security_inode_mkdir);
470 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
472 if (unlikely(IS_PRIVATE(dentry->d_inode)))
473 return 0;
474 return security_ops->inode_rmdir(dir, dentry);
477 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
479 if (unlikely(IS_PRIVATE(dir)))
480 return 0;
481 return security_ops->inode_mknod(dir, dentry, mode, dev);
484 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
485 struct inode *new_dir, struct dentry *new_dentry)
487 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
488 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
489 return 0;
490 return security_ops->inode_rename(old_dir, old_dentry,
491 new_dir, new_dentry);
494 int security_inode_readlink(struct dentry *dentry)
496 if (unlikely(IS_PRIVATE(dentry->d_inode)))
497 return 0;
498 return security_ops->inode_readlink(dentry);
501 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
503 if (unlikely(IS_PRIVATE(dentry->d_inode)))
504 return 0;
505 return security_ops->inode_follow_link(dentry, nd);
508 int security_inode_permission(struct inode *inode, int mask)
510 if (unlikely(IS_PRIVATE(inode)))
511 return 0;
512 return security_ops->inode_permission(inode, mask);
515 int security_inode_exec_permission(struct inode *inode, unsigned int flags)
517 if (unlikely(IS_PRIVATE(inode)))
518 return 0;
519 if (flags)
520 return -ECHILD;
521 return security_ops->inode_permission(inode, MAY_EXEC);
524 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
526 if (unlikely(IS_PRIVATE(dentry->d_inode)))
527 return 0;
528 return security_ops->inode_setattr(dentry, attr);
530 EXPORT_SYMBOL_GPL(security_inode_setattr);
532 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
534 if (unlikely(IS_PRIVATE(dentry->d_inode)))
535 return 0;
536 return security_ops->inode_getattr(mnt, dentry);
539 int security_inode_setxattr(struct dentry *dentry, const char *name,
540 const void *value, size_t size, int flags)
542 if (unlikely(IS_PRIVATE(dentry->d_inode)))
543 return 0;
544 return security_ops->inode_setxattr(dentry, name, value, size, flags);
547 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
548 const void *value, size_t size, int flags)
550 if (unlikely(IS_PRIVATE(dentry->d_inode)))
551 return;
552 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
555 int security_inode_getxattr(struct dentry *dentry, const char *name)
557 if (unlikely(IS_PRIVATE(dentry->d_inode)))
558 return 0;
559 return security_ops->inode_getxattr(dentry, name);
562 int security_inode_listxattr(struct dentry *dentry)
564 if (unlikely(IS_PRIVATE(dentry->d_inode)))
565 return 0;
566 return security_ops->inode_listxattr(dentry);
569 int security_inode_removexattr(struct dentry *dentry, const char *name)
571 if (unlikely(IS_PRIVATE(dentry->d_inode)))
572 return 0;
573 return security_ops->inode_removexattr(dentry, name);
576 int security_inode_need_killpriv(struct dentry *dentry)
578 return security_ops->inode_need_killpriv(dentry);
581 int security_inode_killpriv(struct dentry *dentry)
583 return security_ops->inode_killpriv(dentry);
586 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
588 if (unlikely(IS_PRIVATE(inode)))
589 return -EOPNOTSUPP;
590 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
593 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
595 if (unlikely(IS_PRIVATE(inode)))
596 return -EOPNOTSUPP;
597 return security_ops->inode_setsecurity(inode, name, value, size, flags);
600 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
602 if (unlikely(IS_PRIVATE(inode)))
603 return 0;
604 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
607 void security_inode_getsecid(const struct inode *inode, u32 *secid)
609 security_ops->inode_getsecid(inode, secid);
612 int security_file_permission(struct file *file, int mask)
614 int ret;
616 ret = security_ops->file_permission(file, mask);
617 if (ret)
618 return ret;
620 return fsnotify_perm(file, mask);
623 int security_file_alloc(struct file *file)
625 return security_ops->file_alloc_security(file);
628 void security_file_free(struct file *file)
630 security_ops->file_free_security(file);
633 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
635 return security_ops->file_ioctl(file, cmd, arg);
638 int security_file_mmap(struct file *file, unsigned long reqprot,
639 unsigned long prot, unsigned long flags,
640 unsigned long addr, unsigned long addr_only)
642 int ret;
644 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
645 if (ret)
646 return ret;
647 return ima_file_mmap(file, prot);
650 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
651 unsigned long prot)
653 return security_ops->file_mprotect(vma, reqprot, prot);
656 int security_file_lock(struct file *file, unsigned int cmd)
658 return security_ops->file_lock(file, cmd);
661 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
663 return security_ops->file_fcntl(file, cmd, arg);
666 int security_file_set_fowner(struct file *file)
668 return security_ops->file_set_fowner(file);
671 int security_file_send_sigiotask(struct task_struct *tsk,
672 struct fown_struct *fown, int sig)
674 return security_ops->file_send_sigiotask(tsk, fown, sig);
677 int security_file_receive(struct file *file)
679 return security_ops->file_receive(file);
682 int security_dentry_open(struct file *file, const struct cred *cred)
684 int ret;
686 ret = security_ops->dentry_open(file, cred);
687 if (ret)
688 return ret;
690 return fsnotify_perm(file, MAY_OPEN);
693 int security_task_create(unsigned long clone_flags)
695 return security_ops->task_create(clone_flags);
698 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
700 return security_ops->cred_alloc_blank(cred, gfp);
703 void security_cred_free(struct cred *cred)
705 security_ops->cred_free(cred);
708 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
710 return security_ops->cred_prepare(new, old, gfp);
713 void security_transfer_creds(struct cred *new, const struct cred *old)
715 security_ops->cred_transfer(new, old);
718 int security_kernel_act_as(struct cred *new, u32 secid)
720 return security_ops->kernel_act_as(new, secid);
723 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
725 return security_ops->kernel_create_files_as(new, inode);
728 int security_kernel_module_request(char *kmod_name)
730 return security_ops->kernel_module_request(kmod_name);
733 int security_task_fix_setuid(struct cred *new, const struct cred *old,
734 int flags)
736 return security_ops->task_fix_setuid(new, old, flags);
739 int security_task_setpgid(struct task_struct *p, pid_t pgid)
741 return security_ops->task_setpgid(p, pgid);
744 int security_task_getpgid(struct task_struct *p)
746 return security_ops->task_getpgid(p);
749 int security_task_getsid(struct task_struct *p)
751 return security_ops->task_getsid(p);
754 void security_task_getsecid(struct task_struct *p, u32 *secid)
756 security_ops->task_getsecid(p, secid);
758 EXPORT_SYMBOL(security_task_getsecid);
760 int security_task_setnice(struct task_struct *p, int nice)
762 return security_ops->task_setnice(p, nice);
765 int security_task_setioprio(struct task_struct *p, int ioprio)
767 return security_ops->task_setioprio(p, ioprio);
770 int security_task_getioprio(struct task_struct *p)
772 return security_ops->task_getioprio(p);
775 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
776 struct rlimit *new_rlim)
778 return security_ops->task_setrlimit(p, resource, new_rlim);
781 int security_task_setscheduler(struct task_struct *p)
783 return security_ops->task_setscheduler(p);
786 int security_task_getscheduler(struct task_struct *p)
788 return security_ops->task_getscheduler(p);
791 int security_task_movememory(struct task_struct *p)
793 return security_ops->task_movememory(p);
796 int security_task_kill(struct task_struct *p, struct siginfo *info,
797 int sig, u32 secid)
799 return security_ops->task_kill(p, info, sig, secid);
802 int security_task_wait(struct task_struct *p)
804 return security_ops->task_wait(p);
807 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
808 unsigned long arg4, unsigned long arg5)
810 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
813 void security_task_to_inode(struct task_struct *p, struct inode *inode)
815 security_ops->task_to_inode(p, inode);
818 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
820 return security_ops->ipc_permission(ipcp, flag);
823 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
825 security_ops->ipc_getsecid(ipcp, secid);
828 int security_msg_msg_alloc(struct msg_msg *msg)
830 return security_ops->msg_msg_alloc_security(msg);
833 void security_msg_msg_free(struct msg_msg *msg)
835 security_ops->msg_msg_free_security(msg);
838 int security_msg_queue_alloc(struct msg_queue *msq)
840 return security_ops->msg_queue_alloc_security(msq);
843 void security_msg_queue_free(struct msg_queue *msq)
845 security_ops->msg_queue_free_security(msq);
848 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
850 return security_ops->msg_queue_associate(msq, msqflg);
853 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
855 return security_ops->msg_queue_msgctl(msq, cmd);
858 int security_msg_queue_msgsnd(struct msg_queue *msq,
859 struct msg_msg *msg, int msqflg)
861 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
864 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
865 struct task_struct *target, long type, int mode)
867 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
870 int security_shm_alloc(struct shmid_kernel *shp)
872 return security_ops->shm_alloc_security(shp);
875 void security_shm_free(struct shmid_kernel *shp)
877 security_ops->shm_free_security(shp);
880 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
882 return security_ops->shm_associate(shp, shmflg);
885 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
887 return security_ops->shm_shmctl(shp, cmd);
890 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
892 return security_ops->shm_shmat(shp, shmaddr, shmflg);
895 int security_sem_alloc(struct sem_array *sma)
897 return security_ops->sem_alloc_security(sma);
900 void security_sem_free(struct sem_array *sma)
902 security_ops->sem_free_security(sma);
905 int security_sem_associate(struct sem_array *sma, int semflg)
907 return security_ops->sem_associate(sma, semflg);
910 int security_sem_semctl(struct sem_array *sma, int cmd)
912 return security_ops->sem_semctl(sma, cmd);
915 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
916 unsigned nsops, int alter)
918 return security_ops->sem_semop(sma, sops, nsops, alter);
921 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
923 if (unlikely(inode && IS_PRIVATE(inode)))
924 return;
925 security_ops->d_instantiate(dentry, inode);
927 EXPORT_SYMBOL(security_d_instantiate);
929 int security_getprocattr(struct task_struct *p, char *name, char **value)
931 return security_ops->getprocattr(p, name, value);
934 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
936 return security_ops->setprocattr(p, name, value, size);
939 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
941 return security_ops->netlink_send(sk, skb);
944 int security_netlink_recv(struct sk_buff *skb, int cap)
946 return security_ops->netlink_recv(skb, cap);
948 EXPORT_SYMBOL(security_netlink_recv);
950 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
952 return security_ops->secid_to_secctx(secid, secdata, seclen);
954 EXPORT_SYMBOL(security_secid_to_secctx);
956 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
958 return security_ops->secctx_to_secid(secdata, seclen, secid);
960 EXPORT_SYMBOL(security_secctx_to_secid);
962 void security_release_secctx(char *secdata, u32 seclen)
964 security_ops->release_secctx(secdata, seclen);
966 EXPORT_SYMBOL(security_release_secctx);
968 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
970 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
972 EXPORT_SYMBOL(security_inode_notifysecctx);
974 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
976 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
978 EXPORT_SYMBOL(security_inode_setsecctx);
980 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
982 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
984 EXPORT_SYMBOL(security_inode_getsecctx);
986 #ifdef CONFIG_SECURITY_NETWORK
988 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
990 return security_ops->unix_stream_connect(sock, other, newsk);
992 EXPORT_SYMBOL(security_unix_stream_connect);
994 int security_unix_may_send(struct socket *sock, struct socket *other)
996 return security_ops->unix_may_send(sock, other);
998 EXPORT_SYMBOL(security_unix_may_send);
1000 int security_socket_create(int family, int type, int protocol, int kern)
1002 return security_ops->socket_create(family, type, protocol, kern);
1005 int security_socket_post_create(struct socket *sock, int family,
1006 int type, int protocol, int kern)
1008 return security_ops->socket_post_create(sock, family, type,
1009 protocol, kern);
1012 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1014 return security_ops->socket_bind(sock, address, addrlen);
1017 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1019 return security_ops->socket_connect(sock, address, addrlen);
1022 int security_socket_listen(struct socket *sock, int backlog)
1024 return security_ops->socket_listen(sock, backlog);
1027 int security_socket_accept(struct socket *sock, struct socket *newsock)
1029 return security_ops->socket_accept(sock, newsock);
1032 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1034 return security_ops->socket_sendmsg(sock, msg, size);
1037 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1038 int size, int flags)
1040 return security_ops->socket_recvmsg(sock, msg, size, flags);
1043 int security_socket_getsockname(struct socket *sock)
1045 return security_ops->socket_getsockname(sock);
1048 int security_socket_getpeername(struct socket *sock)
1050 return security_ops->socket_getpeername(sock);
1053 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1055 return security_ops->socket_getsockopt(sock, level, optname);
1058 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1060 return security_ops->socket_setsockopt(sock, level, optname);
1063 int security_socket_shutdown(struct socket *sock, int how)
1065 return security_ops->socket_shutdown(sock, how);
1068 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1070 return security_ops->socket_sock_rcv_skb(sk, skb);
1072 EXPORT_SYMBOL(security_sock_rcv_skb);
1074 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1075 int __user *optlen, unsigned len)
1077 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1080 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1082 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1084 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1086 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1088 return security_ops->sk_alloc_security(sk, family, priority);
1091 void security_sk_free(struct sock *sk)
1093 security_ops->sk_free_security(sk);
1096 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1098 security_ops->sk_clone_security(sk, newsk);
1101 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1103 security_ops->sk_getsecid(sk, &fl->secid);
1105 EXPORT_SYMBOL(security_sk_classify_flow);
1107 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1109 security_ops->req_classify_flow(req, fl);
1111 EXPORT_SYMBOL(security_req_classify_flow);
1113 void security_sock_graft(struct sock *sk, struct socket *parent)
1115 security_ops->sock_graft(sk, parent);
1117 EXPORT_SYMBOL(security_sock_graft);
1119 int security_inet_conn_request(struct sock *sk,
1120 struct sk_buff *skb, struct request_sock *req)
1122 return security_ops->inet_conn_request(sk, skb, req);
1124 EXPORT_SYMBOL(security_inet_conn_request);
1126 void security_inet_csk_clone(struct sock *newsk,
1127 const struct request_sock *req)
1129 security_ops->inet_csk_clone(newsk, req);
1132 void security_inet_conn_established(struct sock *sk,
1133 struct sk_buff *skb)
1135 security_ops->inet_conn_established(sk, skb);
1138 int security_secmark_relabel_packet(u32 secid)
1140 return security_ops->secmark_relabel_packet(secid);
1142 EXPORT_SYMBOL(security_secmark_relabel_packet);
1144 void security_secmark_refcount_inc(void)
1146 security_ops->secmark_refcount_inc();
1148 EXPORT_SYMBOL(security_secmark_refcount_inc);
1150 void security_secmark_refcount_dec(void)
1152 security_ops->secmark_refcount_dec();
1154 EXPORT_SYMBOL(security_secmark_refcount_dec);
1156 int security_tun_dev_create(void)
1158 return security_ops->tun_dev_create();
1160 EXPORT_SYMBOL(security_tun_dev_create);
1162 void security_tun_dev_post_create(struct sock *sk)
1164 return security_ops->tun_dev_post_create(sk);
1166 EXPORT_SYMBOL(security_tun_dev_post_create);
1168 int security_tun_dev_attach(struct sock *sk)
1170 return security_ops->tun_dev_attach(sk);
1172 EXPORT_SYMBOL(security_tun_dev_attach);
1174 #endif /* CONFIG_SECURITY_NETWORK */
1176 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1178 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1180 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1182 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1184 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1185 struct xfrm_sec_ctx **new_ctxp)
1187 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1190 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1192 security_ops->xfrm_policy_free_security(ctx);
1194 EXPORT_SYMBOL(security_xfrm_policy_free);
1196 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1198 return security_ops->xfrm_policy_delete_security(ctx);
1201 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1203 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1205 EXPORT_SYMBOL(security_xfrm_state_alloc);
1207 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1208 struct xfrm_sec_ctx *polsec, u32 secid)
1210 if (!polsec)
1211 return 0;
1213 * We want the context to be taken from secid which is usually
1214 * from the sock.
1216 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1219 int security_xfrm_state_delete(struct xfrm_state *x)
1221 return security_ops->xfrm_state_delete_security(x);
1223 EXPORT_SYMBOL(security_xfrm_state_delete);
1225 void security_xfrm_state_free(struct xfrm_state *x)
1227 security_ops->xfrm_state_free_security(x);
1230 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1232 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1235 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1236 struct xfrm_policy *xp, struct flowi *fl)
1238 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1241 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1243 return security_ops->xfrm_decode_session(skb, secid, 1);
1246 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1248 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1250 BUG_ON(rc);
1252 EXPORT_SYMBOL(security_skb_classify_flow);
1254 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1256 #ifdef CONFIG_KEYS
1258 int security_key_alloc(struct key *key, const struct cred *cred,
1259 unsigned long flags)
1261 return security_ops->key_alloc(key, cred, flags);
1264 void security_key_free(struct key *key)
1266 security_ops->key_free(key);
1269 int security_key_permission(key_ref_t key_ref,
1270 const struct cred *cred, key_perm_t perm)
1272 return security_ops->key_permission(key_ref, cred, perm);
1275 int security_key_getsecurity(struct key *key, char **_buffer)
1277 return security_ops->key_getsecurity(key, _buffer);
1280 #endif /* CONFIG_KEYS */
1282 #ifdef CONFIG_AUDIT
1284 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1286 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1289 int security_audit_rule_known(struct audit_krule *krule)
1291 return security_ops->audit_rule_known(krule);
1294 void security_audit_rule_free(void *lsmrule)
1296 security_ops->audit_rule_free(lsmrule);
1299 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1300 struct audit_context *actx)
1302 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1305 #endif /* CONFIG_AUDIT */