CacheFiles: Add calls to path-based security hooks
[linux-2.6/x86.git] / security / security.c
blobb84a89dd59c6d3a7360b0e9480dcae3e13b9367f
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(int cap)
159 return security_ops->capable(current, current_cred(), cap,
160 SECURITY_CAP_AUDIT);
163 int security_real_capable(struct task_struct *tsk, int cap)
165 const struct cred *cred;
166 int ret;
168 cred = get_task_cred(tsk);
169 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_AUDIT);
170 put_cred(cred);
171 return ret;
174 int security_real_capable_noaudit(struct task_struct *tsk, int cap)
176 const struct cred *cred;
177 int ret;
179 cred = get_task_cred(tsk);
180 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_NOAUDIT);
181 put_cred(cred);
182 return ret;
185 int security_sysctl(struct ctl_table *table, int op)
187 return security_ops->sysctl(table, op);
190 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
192 return security_ops->quotactl(cmds, type, id, sb);
195 int security_quota_on(struct dentry *dentry)
197 return security_ops->quota_on(dentry);
200 int security_syslog(int type)
202 return security_ops->syslog(type);
205 int security_settime(struct timespec *ts, struct timezone *tz)
207 return security_ops->settime(ts, tz);
210 int security_vm_enough_memory(long pages)
212 WARN_ON(current->mm == NULL);
213 return security_ops->vm_enough_memory(current->mm, pages);
216 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
218 WARN_ON(mm == NULL);
219 return security_ops->vm_enough_memory(mm, pages);
222 int security_vm_enough_memory_kern(long pages)
224 /* If current->mm is a kernel thread then we will pass NULL,
225 for this specific case that is fine */
226 return security_ops->vm_enough_memory(current->mm, pages);
229 int security_bprm_set_creds(struct linux_binprm *bprm)
231 return security_ops->bprm_set_creds(bprm);
234 int security_bprm_check(struct linux_binprm *bprm)
236 int ret;
238 ret = security_ops->bprm_check_security(bprm);
239 if (ret)
240 return ret;
241 return ima_bprm_check(bprm);
244 void security_bprm_committing_creds(struct linux_binprm *bprm)
246 security_ops->bprm_committing_creds(bprm);
249 void security_bprm_committed_creds(struct linux_binprm *bprm)
251 security_ops->bprm_committed_creds(bprm);
254 int security_bprm_secureexec(struct linux_binprm *bprm)
256 return security_ops->bprm_secureexec(bprm);
259 int security_sb_alloc(struct super_block *sb)
261 return security_ops->sb_alloc_security(sb);
264 void security_sb_free(struct super_block *sb)
266 security_ops->sb_free_security(sb);
269 int security_sb_copy_data(char *orig, char *copy)
271 return security_ops->sb_copy_data(orig, copy);
273 EXPORT_SYMBOL(security_sb_copy_data);
275 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
277 return security_ops->sb_kern_mount(sb, flags, data);
280 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
282 return security_ops->sb_show_options(m, sb);
285 int security_sb_statfs(struct dentry *dentry)
287 return security_ops->sb_statfs(dentry);
290 int security_sb_mount(char *dev_name, struct path *path,
291 char *type, unsigned long flags, void *data)
293 return security_ops->sb_mount(dev_name, path, type, flags, data);
296 int security_sb_umount(struct vfsmount *mnt, int flags)
298 return security_ops->sb_umount(mnt, flags);
301 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
303 return security_ops->sb_pivotroot(old_path, new_path);
306 int security_sb_set_mnt_opts(struct super_block *sb,
307 struct security_mnt_opts *opts)
309 return security_ops->sb_set_mnt_opts(sb, opts);
311 EXPORT_SYMBOL(security_sb_set_mnt_opts);
313 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
314 struct super_block *newsb)
316 security_ops->sb_clone_mnt_opts(oldsb, newsb);
318 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
320 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
322 return security_ops->sb_parse_opts_str(options, opts);
324 EXPORT_SYMBOL(security_sb_parse_opts_str);
326 int security_inode_alloc(struct inode *inode)
328 inode->i_security = NULL;
329 return security_ops->inode_alloc_security(inode);
332 void security_inode_free(struct inode *inode)
334 ima_inode_free(inode);
335 security_ops->inode_free_security(inode);
338 int security_inode_init_security(struct inode *inode, struct inode *dir,
339 char **name, void **value, size_t *len)
341 if (unlikely(IS_PRIVATE(inode)))
342 return -EOPNOTSUPP;
343 return security_ops->inode_init_security(inode, dir, name, value, len);
345 EXPORT_SYMBOL(security_inode_init_security);
347 #ifdef CONFIG_SECURITY_PATH
348 int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
349 unsigned int dev)
351 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
352 return 0;
353 return security_ops->path_mknod(dir, dentry, mode, dev);
355 EXPORT_SYMBOL(security_path_mknod);
357 int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
359 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
360 return 0;
361 return security_ops->path_mkdir(dir, dentry, mode);
363 EXPORT_SYMBOL(security_path_mkdir);
365 int security_path_rmdir(struct path *dir, struct dentry *dentry)
367 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
368 return 0;
369 return security_ops->path_rmdir(dir, dentry);
372 int security_path_unlink(struct path *dir, struct dentry *dentry)
374 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
375 return 0;
376 return security_ops->path_unlink(dir, dentry);
378 EXPORT_SYMBOL(security_path_unlink);
380 int security_path_symlink(struct path *dir, struct dentry *dentry,
381 const char *old_name)
383 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
384 return 0;
385 return security_ops->path_symlink(dir, dentry, old_name);
388 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
389 struct dentry *new_dentry)
391 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
392 return 0;
393 return security_ops->path_link(old_dentry, new_dir, new_dentry);
396 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
397 struct path *new_dir, struct dentry *new_dentry)
399 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
400 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
401 return 0;
402 return security_ops->path_rename(old_dir, old_dentry, new_dir,
403 new_dentry);
405 EXPORT_SYMBOL(security_path_rename);
407 int security_path_truncate(struct path *path)
409 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
410 return 0;
411 return security_ops->path_truncate(path);
414 int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
415 mode_t mode)
417 if (unlikely(IS_PRIVATE(dentry->d_inode)))
418 return 0;
419 return security_ops->path_chmod(dentry, mnt, mode);
422 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
424 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
425 return 0;
426 return security_ops->path_chown(path, uid, gid);
429 int security_path_chroot(struct path *path)
431 return security_ops->path_chroot(path);
433 #endif
435 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
437 if (unlikely(IS_PRIVATE(dir)))
438 return 0;
439 return security_ops->inode_create(dir, dentry, mode);
441 EXPORT_SYMBOL_GPL(security_inode_create);
443 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
444 struct dentry *new_dentry)
446 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
447 return 0;
448 return security_ops->inode_link(old_dentry, dir, new_dentry);
451 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
453 if (unlikely(IS_PRIVATE(dentry->d_inode)))
454 return 0;
455 return security_ops->inode_unlink(dir, dentry);
458 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
459 const char *old_name)
461 if (unlikely(IS_PRIVATE(dir)))
462 return 0;
463 return security_ops->inode_symlink(dir, dentry, old_name);
466 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
468 if (unlikely(IS_PRIVATE(dir)))
469 return 0;
470 return security_ops->inode_mkdir(dir, dentry, mode);
472 EXPORT_SYMBOL_GPL(security_inode_mkdir);
474 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
476 if (unlikely(IS_PRIVATE(dentry->d_inode)))
477 return 0;
478 return security_ops->inode_rmdir(dir, dentry);
481 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
483 if (unlikely(IS_PRIVATE(dir)))
484 return 0;
485 return security_ops->inode_mknod(dir, dentry, mode, dev);
488 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
489 struct inode *new_dir, struct dentry *new_dentry)
491 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
492 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
493 return 0;
494 return security_ops->inode_rename(old_dir, old_dentry,
495 new_dir, new_dentry);
498 int security_inode_readlink(struct dentry *dentry)
500 if (unlikely(IS_PRIVATE(dentry->d_inode)))
501 return 0;
502 return security_ops->inode_readlink(dentry);
505 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
507 if (unlikely(IS_PRIVATE(dentry->d_inode)))
508 return 0;
509 return security_ops->inode_follow_link(dentry, nd);
512 int security_inode_permission(struct inode *inode, int mask)
514 if (unlikely(IS_PRIVATE(inode)))
515 return 0;
516 return security_ops->inode_permission(inode, mask);
519 int security_inode_exec_permission(struct inode *inode, unsigned int flags)
521 if (unlikely(IS_PRIVATE(inode)))
522 return 0;
523 if (flags)
524 return -ECHILD;
525 return security_ops->inode_permission(inode, MAY_EXEC);
528 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
530 if (unlikely(IS_PRIVATE(dentry->d_inode)))
531 return 0;
532 return security_ops->inode_setattr(dentry, attr);
534 EXPORT_SYMBOL_GPL(security_inode_setattr);
536 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
538 if (unlikely(IS_PRIVATE(dentry->d_inode)))
539 return 0;
540 return security_ops->inode_getattr(mnt, dentry);
543 int security_inode_setxattr(struct dentry *dentry, const char *name,
544 const void *value, size_t size, int flags)
546 if (unlikely(IS_PRIVATE(dentry->d_inode)))
547 return 0;
548 return security_ops->inode_setxattr(dentry, name, value, size, flags);
551 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
552 const void *value, size_t size, int flags)
554 if (unlikely(IS_PRIVATE(dentry->d_inode)))
555 return;
556 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
559 int security_inode_getxattr(struct dentry *dentry, const char *name)
561 if (unlikely(IS_PRIVATE(dentry->d_inode)))
562 return 0;
563 return security_ops->inode_getxattr(dentry, name);
566 int security_inode_listxattr(struct dentry *dentry)
568 if (unlikely(IS_PRIVATE(dentry->d_inode)))
569 return 0;
570 return security_ops->inode_listxattr(dentry);
573 int security_inode_removexattr(struct dentry *dentry, const char *name)
575 if (unlikely(IS_PRIVATE(dentry->d_inode)))
576 return 0;
577 return security_ops->inode_removexattr(dentry, name);
580 int security_inode_need_killpriv(struct dentry *dentry)
582 return security_ops->inode_need_killpriv(dentry);
585 int security_inode_killpriv(struct dentry *dentry)
587 return security_ops->inode_killpriv(dentry);
590 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
592 if (unlikely(IS_PRIVATE(inode)))
593 return -EOPNOTSUPP;
594 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
597 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
599 if (unlikely(IS_PRIVATE(inode)))
600 return -EOPNOTSUPP;
601 return security_ops->inode_setsecurity(inode, name, value, size, flags);
604 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
606 if (unlikely(IS_PRIVATE(inode)))
607 return 0;
608 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
611 void security_inode_getsecid(const struct inode *inode, u32 *secid)
613 security_ops->inode_getsecid(inode, secid);
616 int security_file_permission(struct file *file, int mask)
618 int ret;
620 ret = security_ops->file_permission(file, mask);
621 if (ret)
622 return ret;
624 return fsnotify_perm(file, mask);
627 int security_file_alloc(struct file *file)
629 return security_ops->file_alloc_security(file);
632 void security_file_free(struct file *file)
634 security_ops->file_free_security(file);
637 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
639 return security_ops->file_ioctl(file, cmd, arg);
642 int security_file_mmap(struct file *file, unsigned long reqprot,
643 unsigned long prot, unsigned long flags,
644 unsigned long addr, unsigned long addr_only)
646 int ret;
648 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
649 if (ret)
650 return ret;
651 return ima_file_mmap(file, prot);
654 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
655 unsigned long prot)
657 return security_ops->file_mprotect(vma, reqprot, prot);
660 int security_file_lock(struct file *file, unsigned int cmd)
662 return security_ops->file_lock(file, cmd);
665 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
667 return security_ops->file_fcntl(file, cmd, arg);
670 int security_file_set_fowner(struct file *file)
672 return security_ops->file_set_fowner(file);
675 int security_file_send_sigiotask(struct task_struct *tsk,
676 struct fown_struct *fown, int sig)
678 return security_ops->file_send_sigiotask(tsk, fown, sig);
681 int security_file_receive(struct file *file)
683 return security_ops->file_receive(file);
686 int security_dentry_open(struct file *file, const struct cred *cred)
688 int ret;
690 ret = security_ops->dentry_open(file, cred);
691 if (ret)
692 return ret;
694 return fsnotify_perm(file, MAY_OPEN);
697 int security_task_create(unsigned long clone_flags)
699 return security_ops->task_create(clone_flags);
702 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
704 return security_ops->cred_alloc_blank(cred, gfp);
707 void security_cred_free(struct cred *cred)
709 security_ops->cred_free(cred);
712 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
714 return security_ops->cred_prepare(new, old, gfp);
717 void security_transfer_creds(struct cred *new, const struct cred *old)
719 security_ops->cred_transfer(new, old);
722 int security_kernel_act_as(struct cred *new, u32 secid)
724 return security_ops->kernel_act_as(new, secid);
727 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
729 return security_ops->kernel_create_files_as(new, inode);
732 int security_kernel_module_request(char *kmod_name)
734 return security_ops->kernel_module_request(kmod_name);
737 int security_task_fix_setuid(struct cred *new, const struct cred *old,
738 int flags)
740 return security_ops->task_fix_setuid(new, old, flags);
743 int security_task_setpgid(struct task_struct *p, pid_t pgid)
745 return security_ops->task_setpgid(p, pgid);
748 int security_task_getpgid(struct task_struct *p)
750 return security_ops->task_getpgid(p);
753 int security_task_getsid(struct task_struct *p)
755 return security_ops->task_getsid(p);
758 void security_task_getsecid(struct task_struct *p, u32 *secid)
760 security_ops->task_getsecid(p, secid);
762 EXPORT_SYMBOL(security_task_getsecid);
764 int security_task_setnice(struct task_struct *p, int nice)
766 return security_ops->task_setnice(p, nice);
769 int security_task_setioprio(struct task_struct *p, int ioprio)
771 return security_ops->task_setioprio(p, ioprio);
774 int security_task_getioprio(struct task_struct *p)
776 return security_ops->task_getioprio(p);
779 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
780 struct rlimit *new_rlim)
782 return security_ops->task_setrlimit(p, resource, new_rlim);
785 int security_task_setscheduler(struct task_struct *p)
787 return security_ops->task_setscheduler(p);
790 int security_task_getscheduler(struct task_struct *p)
792 return security_ops->task_getscheduler(p);
795 int security_task_movememory(struct task_struct *p)
797 return security_ops->task_movememory(p);
800 int security_task_kill(struct task_struct *p, struct siginfo *info,
801 int sig, u32 secid)
803 return security_ops->task_kill(p, info, sig, secid);
806 int security_task_wait(struct task_struct *p)
808 return security_ops->task_wait(p);
811 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
812 unsigned long arg4, unsigned long arg5)
814 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
817 void security_task_to_inode(struct task_struct *p, struct inode *inode)
819 security_ops->task_to_inode(p, inode);
822 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
824 return security_ops->ipc_permission(ipcp, flag);
827 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
829 security_ops->ipc_getsecid(ipcp, secid);
832 int security_msg_msg_alloc(struct msg_msg *msg)
834 return security_ops->msg_msg_alloc_security(msg);
837 void security_msg_msg_free(struct msg_msg *msg)
839 security_ops->msg_msg_free_security(msg);
842 int security_msg_queue_alloc(struct msg_queue *msq)
844 return security_ops->msg_queue_alloc_security(msq);
847 void security_msg_queue_free(struct msg_queue *msq)
849 security_ops->msg_queue_free_security(msq);
852 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
854 return security_ops->msg_queue_associate(msq, msqflg);
857 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
859 return security_ops->msg_queue_msgctl(msq, cmd);
862 int security_msg_queue_msgsnd(struct msg_queue *msq,
863 struct msg_msg *msg, int msqflg)
865 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
868 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
869 struct task_struct *target, long type, int mode)
871 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
874 int security_shm_alloc(struct shmid_kernel *shp)
876 return security_ops->shm_alloc_security(shp);
879 void security_shm_free(struct shmid_kernel *shp)
881 security_ops->shm_free_security(shp);
884 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
886 return security_ops->shm_associate(shp, shmflg);
889 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
891 return security_ops->shm_shmctl(shp, cmd);
894 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
896 return security_ops->shm_shmat(shp, shmaddr, shmflg);
899 int security_sem_alloc(struct sem_array *sma)
901 return security_ops->sem_alloc_security(sma);
904 void security_sem_free(struct sem_array *sma)
906 security_ops->sem_free_security(sma);
909 int security_sem_associate(struct sem_array *sma, int semflg)
911 return security_ops->sem_associate(sma, semflg);
914 int security_sem_semctl(struct sem_array *sma, int cmd)
916 return security_ops->sem_semctl(sma, cmd);
919 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
920 unsigned nsops, int alter)
922 return security_ops->sem_semop(sma, sops, nsops, alter);
925 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
927 if (unlikely(inode && IS_PRIVATE(inode)))
928 return;
929 security_ops->d_instantiate(dentry, inode);
931 EXPORT_SYMBOL(security_d_instantiate);
933 int security_getprocattr(struct task_struct *p, char *name, char **value)
935 return security_ops->getprocattr(p, name, value);
938 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
940 return security_ops->setprocattr(p, name, value, size);
943 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
945 return security_ops->netlink_send(sk, skb);
948 int security_netlink_recv(struct sk_buff *skb, int cap)
950 return security_ops->netlink_recv(skb, cap);
952 EXPORT_SYMBOL(security_netlink_recv);
954 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
956 return security_ops->secid_to_secctx(secid, secdata, seclen);
958 EXPORT_SYMBOL(security_secid_to_secctx);
960 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
962 return security_ops->secctx_to_secid(secdata, seclen, secid);
964 EXPORT_SYMBOL(security_secctx_to_secid);
966 void security_release_secctx(char *secdata, u32 seclen)
968 security_ops->release_secctx(secdata, seclen);
970 EXPORT_SYMBOL(security_release_secctx);
972 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
974 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
976 EXPORT_SYMBOL(security_inode_notifysecctx);
978 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
980 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
982 EXPORT_SYMBOL(security_inode_setsecctx);
984 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
986 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
988 EXPORT_SYMBOL(security_inode_getsecctx);
990 #ifdef CONFIG_SECURITY_NETWORK
992 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
994 return security_ops->unix_stream_connect(sock, other, newsk);
996 EXPORT_SYMBOL(security_unix_stream_connect);
998 int security_unix_may_send(struct socket *sock, struct socket *other)
1000 return security_ops->unix_may_send(sock, other);
1002 EXPORT_SYMBOL(security_unix_may_send);
1004 int security_socket_create(int family, int type, int protocol, int kern)
1006 return security_ops->socket_create(family, type, protocol, kern);
1009 int security_socket_post_create(struct socket *sock, int family,
1010 int type, int protocol, int kern)
1012 return security_ops->socket_post_create(sock, family, type,
1013 protocol, kern);
1016 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1018 return security_ops->socket_bind(sock, address, addrlen);
1021 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1023 return security_ops->socket_connect(sock, address, addrlen);
1026 int security_socket_listen(struct socket *sock, int backlog)
1028 return security_ops->socket_listen(sock, backlog);
1031 int security_socket_accept(struct socket *sock, struct socket *newsock)
1033 return security_ops->socket_accept(sock, newsock);
1036 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1038 return security_ops->socket_sendmsg(sock, msg, size);
1041 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1042 int size, int flags)
1044 return security_ops->socket_recvmsg(sock, msg, size, flags);
1047 int security_socket_getsockname(struct socket *sock)
1049 return security_ops->socket_getsockname(sock);
1052 int security_socket_getpeername(struct socket *sock)
1054 return security_ops->socket_getpeername(sock);
1057 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1059 return security_ops->socket_getsockopt(sock, level, optname);
1062 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1064 return security_ops->socket_setsockopt(sock, level, optname);
1067 int security_socket_shutdown(struct socket *sock, int how)
1069 return security_ops->socket_shutdown(sock, how);
1072 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1074 return security_ops->socket_sock_rcv_skb(sk, skb);
1076 EXPORT_SYMBOL(security_sock_rcv_skb);
1078 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1079 int __user *optlen, unsigned len)
1081 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1084 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1086 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1088 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1090 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1092 return security_ops->sk_alloc_security(sk, family, priority);
1095 void security_sk_free(struct sock *sk)
1097 security_ops->sk_free_security(sk);
1100 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1102 security_ops->sk_clone_security(sk, newsk);
1105 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1107 security_ops->sk_getsecid(sk, &fl->secid);
1109 EXPORT_SYMBOL(security_sk_classify_flow);
1111 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1113 security_ops->req_classify_flow(req, fl);
1115 EXPORT_SYMBOL(security_req_classify_flow);
1117 void security_sock_graft(struct sock *sk, struct socket *parent)
1119 security_ops->sock_graft(sk, parent);
1121 EXPORT_SYMBOL(security_sock_graft);
1123 int security_inet_conn_request(struct sock *sk,
1124 struct sk_buff *skb, struct request_sock *req)
1126 return security_ops->inet_conn_request(sk, skb, req);
1128 EXPORT_SYMBOL(security_inet_conn_request);
1130 void security_inet_csk_clone(struct sock *newsk,
1131 const struct request_sock *req)
1133 security_ops->inet_csk_clone(newsk, req);
1136 void security_inet_conn_established(struct sock *sk,
1137 struct sk_buff *skb)
1139 security_ops->inet_conn_established(sk, skb);
1142 int security_secmark_relabel_packet(u32 secid)
1144 return security_ops->secmark_relabel_packet(secid);
1146 EXPORT_SYMBOL(security_secmark_relabel_packet);
1148 void security_secmark_refcount_inc(void)
1150 security_ops->secmark_refcount_inc();
1152 EXPORT_SYMBOL(security_secmark_refcount_inc);
1154 void security_secmark_refcount_dec(void)
1156 security_ops->secmark_refcount_dec();
1158 EXPORT_SYMBOL(security_secmark_refcount_dec);
1160 int security_tun_dev_create(void)
1162 return security_ops->tun_dev_create();
1164 EXPORT_SYMBOL(security_tun_dev_create);
1166 void security_tun_dev_post_create(struct sock *sk)
1168 return security_ops->tun_dev_post_create(sk);
1170 EXPORT_SYMBOL(security_tun_dev_post_create);
1172 int security_tun_dev_attach(struct sock *sk)
1174 return security_ops->tun_dev_attach(sk);
1176 EXPORT_SYMBOL(security_tun_dev_attach);
1178 #endif /* CONFIG_SECURITY_NETWORK */
1180 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1182 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1184 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1186 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1188 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1189 struct xfrm_sec_ctx **new_ctxp)
1191 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1194 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1196 security_ops->xfrm_policy_free_security(ctx);
1198 EXPORT_SYMBOL(security_xfrm_policy_free);
1200 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1202 return security_ops->xfrm_policy_delete_security(ctx);
1205 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1207 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1209 EXPORT_SYMBOL(security_xfrm_state_alloc);
1211 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1212 struct xfrm_sec_ctx *polsec, u32 secid)
1214 if (!polsec)
1215 return 0;
1217 * We want the context to be taken from secid which is usually
1218 * from the sock.
1220 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1223 int security_xfrm_state_delete(struct xfrm_state *x)
1225 return security_ops->xfrm_state_delete_security(x);
1227 EXPORT_SYMBOL(security_xfrm_state_delete);
1229 void security_xfrm_state_free(struct xfrm_state *x)
1231 security_ops->xfrm_state_free_security(x);
1234 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1236 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1239 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1240 struct xfrm_policy *xp, struct flowi *fl)
1242 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1245 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1247 return security_ops->xfrm_decode_session(skb, secid, 1);
1250 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1252 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1254 BUG_ON(rc);
1256 EXPORT_SYMBOL(security_skb_classify_flow);
1258 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1260 #ifdef CONFIG_KEYS
1262 int security_key_alloc(struct key *key, const struct cred *cred,
1263 unsigned long flags)
1265 return security_ops->key_alloc(key, cred, flags);
1268 void security_key_free(struct key *key)
1270 security_ops->key_free(key);
1273 int security_key_permission(key_ref_t key_ref,
1274 const struct cred *cred, key_perm_t perm)
1276 return security_ops->key_permission(key_ref, cred, perm);
1279 int security_key_getsecurity(struct key *key, char **_buffer)
1281 return security_ops->key_getsecurity(key, _buffer);
1284 #endif /* CONFIG_KEYS */
1286 #ifdef CONFIG_AUDIT
1288 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1290 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1293 int security_audit_rule_known(struct audit_krule *krule)
1295 return security_ops->audit_rule_known(krule);
1298 void security_audit_rule_free(void *lsmrule)
1300 security_ops->audit_rule_free(lsmrule);
1303 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1304 struct audit_context *actx)
1306 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1309 #endif /* CONFIG_AUDIT */