leds-atmel-pwm.c: Make pwmled_probe() __devinit
[linux-2.6/cjktty.git] / security / security.c
blobbf619ffc9a4d2b81053b62eafe5fffd7a8d9524f
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/integrity.h>
20 #include <linux/ima.h>
21 #include <linux/evm.h>
22 #include <linux/fsnotify.h>
23 #include <net/flow.h>
25 #define MAX_LSM_EVM_XATTR 2
27 /* Boot-time LSM user choice */
28 static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
29 CONFIG_DEFAULT_SECURITY;
31 static struct security_operations *security_ops;
32 static struct security_operations default_security_ops = {
33 .name = "default",
36 static inline int __init verify(struct security_operations *ops)
38 /* verify the security_operations structure exists */
39 if (!ops)
40 return -EINVAL;
41 security_fixup_ops(ops);
42 return 0;
45 static void __init do_security_initcalls(void)
47 initcall_t *call;
48 call = __security_initcall_start;
49 while (call < __security_initcall_end) {
50 (*call) ();
51 call++;
55 /**
56 * security_init - initializes the security framework
58 * This should be called early in the kernel initialization sequence.
60 int __init security_init(void)
62 printk(KERN_INFO "Security Framework initialized\n");
64 security_fixup_ops(&default_security_ops);
65 security_ops = &default_security_ops;
66 do_security_initcalls();
68 return 0;
71 void reset_security_ops(void)
73 security_ops = &default_security_ops;
76 /* Save user chosen LSM */
77 static int __init choose_lsm(char *str)
79 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
80 return 1;
82 __setup("security=", choose_lsm);
84 /**
85 * security_module_enable - Load given security module on boot ?
86 * @ops: a pointer to the struct security_operations that is to be checked.
88 * Each LSM must pass this method before registering its own operations
89 * to avoid security registration races. This method may also be used
90 * to check if your LSM is currently loaded during kernel initialization.
92 * Return true if:
93 * -The passed LSM is the one chosen by user at boot time,
94 * -or the passed LSM is configured as the default and the user did not
95 * choose an alternate LSM at boot time.
96 * Otherwise, return false.
98 int __init security_module_enable(struct security_operations *ops)
100 return !strcmp(ops->name, chosen_lsm);
104 * register_security - registers a security framework with the kernel
105 * @ops: a pointer to the struct security_options that is to be registered
107 * This function allows a security module to register itself with the
108 * kernel security subsystem. Some rudimentary checking is done on the @ops
109 * value passed to this function. You'll need to check first if your LSM
110 * is allowed to register its @ops by calling security_module_enable(@ops).
112 * If there is already a security module registered with the kernel,
113 * an error will be returned. Otherwise %0 is returned on success.
115 int __init register_security(struct security_operations *ops)
117 if (verify(ops)) {
118 printk(KERN_DEBUG "%s could not verify "
119 "security_operations structure.\n", __func__);
120 return -EINVAL;
123 if (security_ops != &default_security_ops)
124 return -EAGAIN;
126 security_ops = ops;
128 return 0;
131 /* Security operations */
133 int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
135 return security_ops->ptrace_access_check(child, mode);
138 int security_ptrace_traceme(struct task_struct *parent)
140 return security_ops->ptrace_traceme(parent);
143 int security_capget(struct task_struct *target,
144 kernel_cap_t *effective,
145 kernel_cap_t *inheritable,
146 kernel_cap_t *permitted)
148 return security_ops->capget(target, effective, inheritable, permitted);
151 int security_capset(struct cred *new, const struct cred *old,
152 const kernel_cap_t *effective,
153 const kernel_cap_t *inheritable,
154 const kernel_cap_t *permitted)
156 return security_ops->capset(new, old,
157 effective, inheritable, permitted);
160 int security_capable(const struct cred *cred, struct user_namespace *ns,
161 int cap)
163 return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT);
166 int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
167 int cap)
169 return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
172 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
174 return security_ops->quotactl(cmds, type, id, sb);
177 int security_quota_on(struct dentry *dentry)
179 return security_ops->quota_on(dentry);
182 int security_syslog(int type)
184 return security_ops->syslog(type);
187 int security_settime(const struct timespec *ts, const struct timezone *tz)
189 return security_ops->settime(ts, tz);
192 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
194 return security_ops->vm_enough_memory(mm, pages);
197 int security_bprm_set_creds(struct linux_binprm *bprm)
199 return security_ops->bprm_set_creds(bprm);
202 int security_bprm_check(struct linux_binprm *bprm)
204 int ret;
206 ret = security_ops->bprm_check_security(bprm);
207 if (ret)
208 return ret;
209 return ima_bprm_check(bprm);
212 void security_bprm_committing_creds(struct linux_binprm *bprm)
214 security_ops->bprm_committing_creds(bprm);
217 void security_bprm_committed_creds(struct linux_binprm *bprm)
219 security_ops->bprm_committed_creds(bprm);
222 int security_bprm_secureexec(struct linux_binprm *bprm)
224 return security_ops->bprm_secureexec(bprm);
227 int security_sb_alloc(struct super_block *sb)
229 return security_ops->sb_alloc_security(sb);
232 void security_sb_free(struct super_block *sb)
234 security_ops->sb_free_security(sb);
237 int security_sb_copy_data(char *orig, char *copy)
239 return security_ops->sb_copy_data(orig, copy);
241 EXPORT_SYMBOL(security_sb_copy_data);
243 int security_sb_remount(struct super_block *sb, void *data)
245 return security_ops->sb_remount(sb, data);
248 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
250 return security_ops->sb_kern_mount(sb, flags, data);
253 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
255 return security_ops->sb_show_options(m, sb);
258 int security_sb_statfs(struct dentry *dentry)
260 return security_ops->sb_statfs(dentry);
263 int security_sb_mount(char *dev_name, struct path *path,
264 char *type, unsigned long flags, void *data)
266 return security_ops->sb_mount(dev_name, path, type, flags, data);
269 int security_sb_umount(struct vfsmount *mnt, int flags)
271 return security_ops->sb_umount(mnt, flags);
274 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
276 return security_ops->sb_pivotroot(old_path, new_path);
279 int security_sb_set_mnt_opts(struct super_block *sb,
280 struct security_mnt_opts *opts)
282 return security_ops->sb_set_mnt_opts(sb, opts);
284 EXPORT_SYMBOL(security_sb_set_mnt_opts);
286 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
287 struct super_block *newsb)
289 security_ops->sb_clone_mnt_opts(oldsb, newsb);
291 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
293 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
295 return security_ops->sb_parse_opts_str(options, opts);
297 EXPORT_SYMBOL(security_sb_parse_opts_str);
299 int security_inode_alloc(struct inode *inode)
301 inode->i_security = NULL;
302 return security_ops->inode_alloc_security(inode);
305 void security_inode_free(struct inode *inode)
307 integrity_inode_free(inode);
308 security_ops->inode_free_security(inode);
311 int security_inode_init_security(struct inode *inode, struct inode *dir,
312 const struct qstr *qstr,
313 const initxattrs initxattrs, void *fs_data)
315 struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
316 struct xattr *lsm_xattr, *evm_xattr, *xattr;
317 int ret;
319 if (unlikely(IS_PRIVATE(inode)))
320 return 0;
322 memset(new_xattrs, 0, sizeof new_xattrs);
323 if (!initxattrs)
324 return security_ops->inode_init_security(inode, dir, qstr,
325 NULL, NULL, NULL);
326 lsm_xattr = new_xattrs;
327 ret = security_ops->inode_init_security(inode, dir, qstr,
328 &lsm_xattr->name,
329 &lsm_xattr->value,
330 &lsm_xattr->value_len);
331 if (ret)
332 goto out;
334 evm_xattr = lsm_xattr + 1;
335 ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
336 if (ret)
337 goto out;
338 ret = initxattrs(inode, new_xattrs, fs_data);
339 out:
340 for (xattr = new_xattrs; xattr->name != NULL; xattr++) {
341 kfree(xattr->name);
342 kfree(xattr->value);
344 return (ret == -EOPNOTSUPP) ? 0 : ret;
346 EXPORT_SYMBOL(security_inode_init_security);
348 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
349 const struct qstr *qstr, char **name,
350 void **value, size_t *len)
352 if (unlikely(IS_PRIVATE(inode)))
353 return -EOPNOTSUPP;
354 return security_ops->inode_init_security(inode, dir, qstr, name, value,
355 len);
357 EXPORT_SYMBOL(security_old_inode_init_security);
359 #ifdef CONFIG_SECURITY_PATH
360 int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
361 unsigned int dev)
363 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
364 return 0;
365 return security_ops->path_mknod(dir, dentry, mode, dev);
367 EXPORT_SYMBOL(security_path_mknod);
369 int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
371 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
372 return 0;
373 return security_ops->path_mkdir(dir, dentry, mode);
375 EXPORT_SYMBOL(security_path_mkdir);
377 int security_path_rmdir(struct path *dir, struct dentry *dentry)
379 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
380 return 0;
381 return security_ops->path_rmdir(dir, dentry);
384 int security_path_unlink(struct path *dir, struct dentry *dentry)
386 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
387 return 0;
388 return security_ops->path_unlink(dir, dentry);
390 EXPORT_SYMBOL(security_path_unlink);
392 int security_path_symlink(struct path *dir, struct dentry *dentry,
393 const char *old_name)
395 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
396 return 0;
397 return security_ops->path_symlink(dir, dentry, old_name);
400 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
401 struct dentry *new_dentry)
403 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
404 return 0;
405 return security_ops->path_link(old_dentry, new_dir, new_dentry);
408 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
409 struct path *new_dir, struct dentry *new_dentry)
411 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
412 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
413 return 0;
414 return security_ops->path_rename(old_dir, old_dentry, new_dir,
415 new_dentry);
417 EXPORT_SYMBOL(security_path_rename);
419 int security_path_truncate(struct path *path)
421 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
422 return 0;
423 return security_ops->path_truncate(path);
426 int security_path_chmod(struct path *path, umode_t mode)
428 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
429 return 0;
430 return security_ops->path_chmod(path, mode);
433 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
435 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
436 return 0;
437 return security_ops->path_chown(path, uid, gid);
440 int security_path_chroot(struct path *path)
442 return security_ops->path_chroot(path);
444 #endif
446 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
448 if (unlikely(IS_PRIVATE(dir)))
449 return 0;
450 return security_ops->inode_create(dir, dentry, mode);
452 EXPORT_SYMBOL_GPL(security_inode_create);
454 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
455 struct dentry *new_dentry)
457 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
458 return 0;
459 return security_ops->inode_link(old_dentry, dir, new_dentry);
462 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
464 if (unlikely(IS_PRIVATE(dentry->d_inode)))
465 return 0;
466 return security_ops->inode_unlink(dir, dentry);
469 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
470 const char *old_name)
472 if (unlikely(IS_PRIVATE(dir)))
473 return 0;
474 return security_ops->inode_symlink(dir, dentry, old_name);
477 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
479 if (unlikely(IS_PRIVATE(dir)))
480 return 0;
481 return security_ops->inode_mkdir(dir, dentry, mode);
483 EXPORT_SYMBOL_GPL(security_inode_mkdir);
485 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
487 if (unlikely(IS_PRIVATE(dentry->d_inode)))
488 return 0;
489 return security_ops->inode_rmdir(dir, dentry);
492 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
494 if (unlikely(IS_PRIVATE(dir)))
495 return 0;
496 return security_ops->inode_mknod(dir, dentry, mode, dev);
499 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
500 struct inode *new_dir, struct dentry *new_dentry)
502 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
503 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
504 return 0;
505 return security_ops->inode_rename(old_dir, old_dentry,
506 new_dir, new_dentry);
509 int security_inode_readlink(struct dentry *dentry)
511 if (unlikely(IS_PRIVATE(dentry->d_inode)))
512 return 0;
513 return security_ops->inode_readlink(dentry);
516 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
518 if (unlikely(IS_PRIVATE(dentry->d_inode)))
519 return 0;
520 return security_ops->inode_follow_link(dentry, nd);
523 int security_inode_permission(struct inode *inode, int mask)
525 if (unlikely(IS_PRIVATE(inode)))
526 return 0;
527 return security_ops->inode_permission(inode, mask);
530 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
532 int ret;
534 if (unlikely(IS_PRIVATE(dentry->d_inode)))
535 return 0;
536 ret = security_ops->inode_setattr(dentry, attr);
537 if (ret)
538 return ret;
539 return evm_inode_setattr(dentry, attr);
541 EXPORT_SYMBOL_GPL(security_inode_setattr);
543 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
545 if (unlikely(IS_PRIVATE(dentry->d_inode)))
546 return 0;
547 return security_ops->inode_getattr(mnt, dentry);
550 int security_inode_setxattr(struct dentry *dentry, const char *name,
551 const void *value, size_t size, int flags)
553 int ret;
555 if (unlikely(IS_PRIVATE(dentry->d_inode)))
556 return 0;
557 ret = security_ops->inode_setxattr(dentry, name, value, size, flags);
558 if (ret)
559 return ret;
560 return evm_inode_setxattr(dentry, name, value, size);
563 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
564 const void *value, size_t size, int flags)
566 if (unlikely(IS_PRIVATE(dentry->d_inode)))
567 return;
568 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
569 evm_inode_post_setxattr(dentry, name, value, size);
572 int security_inode_getxattr(struct dentry *dentry, const char *name)
574 if (unlikely(IS_PRIVATE(dentry->d_inode)))
575 return 0;
576 return security_ops->inode_getxattr(dentry, name);
579 int security_inode_listxattr(struct dentry *dentry)
581 if (unlikely(IS_PRIVATE(dentry->d_inode)))
582 return 0;
583 return security_ops->inode_listxattr(dentry);
586 int security_inode_removexattr(struct dentry *dentry, const char *name)
588 int ret;
590 if (unlikely(IS_PRIVATE(dentry->d_inode)))
591 return 0;
592 ret = security_ops->inode_removexattr(dentry, name);
593 if (ret)
594 return ret;
595 return evm_inode_removexattr(dentry, name);
598 int security_inode_need_killpriv(struct dentry *dentry)
600 return security_ops->inode_need_killpriv(dentry);
603 int security_inode_killpriv(struct dentry *dentry)
605 return security_ops->inode_killpriv(dentry);
608 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
610 if (unlikely(IS_PRIVATE(inode)))
611 return -EOPNOTSUPP;
612 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
615 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
617 if (unlikely(IS_PRIVATE(inode)))
618 return -EOPNOTSUPP;
619 return security_ops->inode_setsecurity(inode, name, value, size, flags);
622 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
624 if (unlikely(IS_PRIVATE(inode)))
625 return 0;
626 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
629 void security_inode_getsecid(const struct inode *inode, u32 *secid)
631 security_ops->inode_getsecid(inode, secid);
634 int security_file_permission(struct file *file, int mask)
636 int ret;
638 ret = security_ops->file_permission(file, mask);
639 if (ret)
640 return ret;
642 return fsnotify_perm(file, mask);
645 int security_file_alloc(struct file *file)
647 return security_ops->file_alloc_security(file);
650 void security_file_free(struct file *file)
652 security_ops->file_free_security(file);
655 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
657 return security_ops->file_ioctl(file, cmd, arg);
660 int security_file_mmap(struct file *file, unsigned long reqprot,
661 unsigned long prot, unsigned long flags,
662 unsigned long addr, unsigned long addr_only)
664 int ret;
666 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
667 if (ret)
668 return ret;
669 return ima_file_mmap(file, prot);
672 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
673 unsigned long prot)
675 return security_ops->file_mprotect(vma, reqprot, prot);
678 int security_file_lock(struct file *file, unsigned int cmd)
680 return security_ops->file_lock(file, cmd);
683 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
685 return security_ops->file_fcntl(file, cmd, arg);
688 int security_file_set_fowner(struct file *file)
690 return security_ops->file_set_fowner(file);
693 int security_file_send_sigiotask(struct task_struct *tsk,
694 struct fown_struct *fown, int sig)
696 return security_ops->file_send_sigiotask(tsk, fown, sig);
699 int security_file_receive(struct file *file)
701 return security_ops->file_receive(file);
704 int security_dentry_open(struct file *file, const struct cred *cred)
706 int ret;
708 ret = security_ops->dentry_open(file, cred);
709 if (ret)
710 return ret;
712 return fsnotify_perm(file, MAY_OPEN);
715 int security_task_create(unsigned long clone_flags)
717 return security_ops->task_create(clone_flags);
720 void security_task_free(struct task_struct *task)
722 security_ops->task_free(task);
725 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
727 return security_ops->cred_alloc_blank(cred, gfp);
730 void security_cred_free(struct cred *cred)
732 security_ops->cred_free(cred);
735 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
737 return security_ops->cred_prepare(new, old, gfp);
740 void security_transfer_creds(struct cred *new, const struct cred *old)
742 security_ops->cred_transfer(new, old);
745 int security_kernel_act_as(struct cred *new, u32 secid)
747 return security_ops->kernel_act_as(new, secid);
750 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
752 return security_ops->kernel_create_files_as(new, inode);
755 int security_kernel_module_request(char *kmod_name)
757 return security_ops->kernel_module_request(kmod_name);
760 int security_task_fix_setuid(struct cred *new, const struct cred *old,
761 int flags)
763 return security_ops->task_fix_setuid(new, old, flags);
766 int security_task_setpgid(struct task_struct *p, pid_t pgid)
768 return security_ops->task_setpgid(p, pgid);
771 int security_task_getpgid(struct task_struct *p)
773 return security_ops->task_getpgid(p);
776 int security_task_getsid(struct task_struct *p)
778 return security_ops->task_getsid(p);
781 void security_task_getsecid(struct task_struct *p, u32 *secid)
783 security_ops->task_getsecid(p, secid);
785 EXPORT_SYMBOL(security_task_getsecid);
787 int security_task_setnice(struct task_struct *p, int nice)
789 return security_ops->task_setnice(p, nice);
792 int security_task_setioprio(struct task_struct *p, int ioprio)
794 return security_ops->task_setioprio(p, ioprio);
797 int security_task_getioprio(struct task_struct *p)
799 return security_ops->task_getioprio(p);
802 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
803 struct rlimit *new_rlim)
805 return security_ops->task_setrlimit(p, resource, new_rlim);
808 int security_task_setscheduler(struct task_struct *p)
810 return security_ops->task_setscheduler(p);
813 int security_task_getscheduler(struct task_struct *p)
815 return security_ops->task_getscheduler(p);
818 int security_task_movememory(struct task_struct *p)
820 return security_ops->task_movememory(p);
823 int security_task_kill(struct task_struct *p, struct siginfo *info,
824 int sig, u32 secid)
826 return security_ops->task_kill(p, info, sig, secid);
829 int security_task_wait(struct task_struct *p)
831 return security_ops->task_wait(p);
834 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
835 unsigned long arg4, unsigned long arg5)
837 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
840 void security_task_to_inode(struct task_struct *p, struct inode *inode)
842 security_ops->task_to_inode(p, inode);
845 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
847 return security_ops->ipc_permission(ipcp, flag);
850 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
852 security_ops->ipc_getsecid(ipcp, secid);
855 int security_msg_msg_alloc(struct msg_msg *msg)
857 return security_ops->msg_msg_alloc_security(msg);
860 void security_msg_msg_free(struct msg_msg *msg)
862 security_ops->msg_msg_free_security(msg);
865 int security_msg_queue_alloc(struct msg_queue *msq)
867 return security_ops->msg_queue_alloc_security(msq);
870 void security_msg_queue_free(struct msg_queue *msq)
872 security_ops->msg_queue_free_security(msq);
875 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
877 return security_ops->msg_queue_associate(msq, msqflg);
880 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
882 return security_ops->msg_queue_msgctl(msq, cmd);
885 int security_msg_queue_msgsnd(struct msg_queue *msq,
886 struct msg_msg *msg, int msqflg)
888 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
891 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
892 struct task_struct *target, long type, int mode)
894 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
897 int security_shm_alloc(struct shmid_kernel *shp)
899 return security_ops->shm_alloc_security(shp);
902 void security_shm_free(struct shmid_kernel *shp)
904 security_ops->shm_free_security(shp);
907 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
909 return security_ops->shm_associate(shp, shmflg);
912 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
914 return security_ops->shm_shmctl(shp, cmd);
917 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
919 return security_ops->shm_shmat(shp, shmaddr, shmflg);
922 int security_sem_alloc(struct sem_array *sma)
924 return security_ops->sem_alloc_security(sma);
927 void security_sem_free(struct sem_array *sma)
929 security_ops->sem_free_security(sma);
932 int security_sem_associate(struct sem_array *sma, int semflg)
934 return security_ops->sem_associate(sma, semflg);
937 int security_sem_semctl(struct sem_array *sma, int cmd)
939 return security_ops->sem_semctl(sma, cmd);
942 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
943 unsigned nsops, int alter)
945 return security_ops->sem_semop(sma, sops, nsops, alter);
948 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
950 if (unlikely(inode && IS_PRIVATE(inode)))
951 return;
952 security_ops->d_instantiate(dentry, inode);
954 EXPORT_SYMBOL(security_d_instantiate);
956 int security_getprocattr(struct task_struct *p, char *name, char **value)
958 return security_ops->getprocattr(p, name, value);
961 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
963 return security_ops->setprocattr(p, name, value, size);
966 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
968 return security_ops->netlink_send(sk, skb);
971 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
973 return security_ops->secid_to_secctx(secid, secdata, seclen);
975 EXPORT_SYMBOL(security_secid_to_secctx);
977 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
979 return security_ops->secctx_to_secid(secdata, seclen, secid);
981 EXPORT_SYMBOL(security_secctx_to_secid);
983 void security_release_secctx(char *secdata, u32 seclen)
985 security_ops->release_secctx(secdata, seclen);
987 EXPORT_SYMBOL(security_release_secctx);
989 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
991 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
993 EXPORT_SYMBOL(security_inode_notifysecctx);
995 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
997 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
999 EXPORT_SYMBOL(security_inode_setsecctx);
1001 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1003 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1005 EXPORT_SYMBOL(security_inode_getsecctx);
1007 #ifdef CONFIG_SECURITY_NETWORK
1009 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
1011 return security_ops->unix_stream_connect(sock, other, newsk);
1013 EXPORT_SYMBOL(security_unix_stream_connect);
1015 int security_unix_may_send(struct socket *sock, struct socket *other)
1017 return security_ops->unix_may_send(sock, other);
1019 EXPORT_SYMBOL(security_unix_may_send);
1021 int security_socket_create(int family, int type, int protocol, int kern)
1023 return security_ops->socket_create(family, type, protocol, kern);
1026 int security_socket_post_create(struct socket *sock, int family,
1027 int type, int protocol, int kern)
1029 return security_ops->socket_post_create(sock, family, type,
1030 protocol, kern);
1033 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1035 return security_ops->socket_bind(sock, address, addrlen);
1038 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1040 return security_ops->socket_connect(sock, address, addrlen);
1043 int security_socket_listen(struct socket *sock, int backlog)
1045 return security_ops->socket_listen(sock, backlog);
1048 int security_socket_accept(struct socket *sock, struct socket *newsock)
1050 return security_ops->socket_accept(sock, newsock);
1053 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1055 return security_ops->socket_sendmsg(sock, msg, size);
1058 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1059 int size, int flags)
1061 return security_ops->socket_recvmsg(sock, msg, size, flags);
1064 int security_socket_getsockname(struct socket *sock)
1066 return security_ops->socket_getsockname(sock);
1069 int security_socket_getpeername(struct socket *sock)
1071 return security_ops->socket_getpeername(sock);
1074 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1076 return security_ops->socket_getsockopt(sock, level, optname);
1079 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1081 return security_ops->socket_setsockopt(sock, level, optname);
1084 int security_socket_shutdown(struct socket *sock, int how)
1086 return security_ops->socket_shutdown(sock, how);
1089 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1091 return security_ops->socket_sock_rcv_skb(sk, skb);
1093 EXPORT_SYMBOL(security_sock_rcv_skb);
1095 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1096 int __user *optlen, unsigned len)
1098 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1101 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1103 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1105 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1107 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1109 return security_ops->sk_alloc_security(sk, family, priority);
1112 void security_sk_free(struct sock *sk)
1114 security_ops->sk_free_security(sk);
1117 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1119 security_ops->sk_clone_security(sk, newsk);
1121 EXPORT_SYMBOL(security_sk_clone);
1123 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1125 security_ops->sk_getsecid(sk, &fl->flowi_secid);
1127 EXPORT_SYMBOL(security_sk_classify_flow);
1129 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1131 security_ops->req_classify_flow(req, fl);
1133 EXPORT_SYMBOL(security_req_classify_flow);
1135 void security_sock_graft(struct sock *sk, struct socket *parent)
1137 security_ops->sock_graft(sk, parent);
1139 EXPORT_SYMBOL(security_sock_graft);
1141 int security_inet_conn_request(struct sock *sk,
1142 struct sk_buff *skb, struct request_sock *req)
1144 return security_ops->inet_conn_request(sk, skb, req);
1146 EXPORT_SYMBOL(security_inet_conn_request);
1148 void security_inet_csk_clone(struct sock *newsk,
1149 const struct request_sock *req)
1151 security_ops->inet_csk_clone(newsk, req);
1154 void security_inet_conn_established(struct sock *sk,
1155 struct sk_buff *skb)
1157 security_ops->inet_conn_established(sk, skb);
1160 int security_secmark_relabel_packet(u32 secid)
1162 return security_ops->secmark_relabel_packet(secid);
1164 EXPORT_SYMBOL(security_secmark_relabel_packet);
1166 void security_secmark_refcount_inc(void)
1168 security_ops->secmark_refcount_inc();
1170 EXPORT_SYMBOL(security_secmark_refcount_inc);
1172 void security_secmark_refcount_dec(void)
1174 security_ops->secmark_refcount_dec();
1176 EXPORT_SYMBOL(security_secmark_refcount_dec);
1178 int security_tun_dev_create(void)
1180 return security_ops->tun_dev_create();
1182 EXPORT_SYMBOL(security_tun_dev_create);
1184 void security_tun_dev_post_create(struct sock *sk)
1186 return security_ops->tun_dev_post_create(sk);
1188 EXPORT_SYMBOL(security_tun_dev_post_create);
1190 int security_tun_dev_attach(struct sock *sk)
1192 return security_ops->tun_dev_attach(sk);
1194 EXPORT_SYMBOL(security_tun_dev_attach);
1196 #endif /* CONFIG_SECURITY_NETWORK */
1198 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1200 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1202 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1204 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1206 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1207 struct xfrm_sec_ctx **new_ctxp)
1209 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1212 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1214 security_ops->xfrm_policy_free_security(ctx);
1216 EXPORT_SYMBOL(security_xfrm_policy_free);
1218 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1220 return security_ops->xfrm_policy_delete_security(ctx);
1223 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1225 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1227 EXPORT_SYMBOL(security_xfrm_state_alloc);
1229 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1230 struct xfrm_sec_ctx *polsec, u32 secid)
1232 if (!polsec)
1233 return 0;
1235 * We want the context to be taken from secid which is usually
1236 * from the sock.
1238 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1241 int security_xfrm_state_delete(struct xfrm_state *x)
1243 return security_ops->xfrm_state_delete_security(x);
1245 EXPORT_SYMBOL(security_xfrm_state_delete);
1247 void security_xfrm_state_free(struct xfrm_state *x)
1249 security_ops->xfrm_state_free_security(x);
1252 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1254 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1257 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1258 struct xfrm_policy *xp,
1259 const struct flowi *fl)
1261 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1264 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1266 return security_ops->xfrm_decode_session(skb, secid, 1);
1269 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1271 int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
1273 BUG_ON(rc);
1275 EXPORT_SYMBOL(security_skb_classify_flow);
1277 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1279 #ifdef CONFIG_KEYS
1281 int security_key_alloc(struct key *key, const struct cred *cred,
1282 unsigned long flags)
1284 return security_ops->key_alloc(key, cred, flags);
1287 void security_key_free(struct key *key)
1289 security_ops->key_free(key);
1292 int security_key_permission(key_ref_t key_ref,
1293 const struct cred *cred, key_perm_t perm)
1295 return security_ops->key_permission(key_ref, cred, perm);
1298 int security_key_getsecurity(struct key *key, char **_buffer)
1300 return security_ops->key_getsecurity(key, _buffer);
1303 #endif /* CONFIG_KEYS */
1305 #ifdef CONFIG_AUDIT
1307 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1309 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1312 int security_audit_rule_known(struct audit_krule *krule)
1314 return security_ops->audit_rule_known(krule);
1317 void security_audit_rule_free(void *lsmrule)
1319 security_ops->audit_rule_free(lsmrule);
1322 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1323 struct audit_context *actx)
1325 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1328 #endif /* CONFIG_AUDIT */