staging:iio:adc:AD7298: Use private data space from iio_allocate_device
[pohmelfs.git] / security / security.c
blob101142369db45c0846ca3dbe064b90a2ea83fbf9
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(struct user_namespace *ns, const struct cred *cred,
158 int cap)
160 return security_ops->capable(current, cred, ns, cap,
161 SECURITY_CAP_AUDIT);
164 int security_real_capable(struct task_struct *tsk, struct user_namespace *ns,
165 int cap)
167 const struct cred *cred;
168 int ret;
170 cred = get_task_cred(tsk);
171 ret = security_ops->capable(tsk, cred, ns, cap, SECURITY_CAP_AUDIT);
172 put_cred(cred);
173 return ret;
176 int security_real_capable_noaudit(struct task_struct *tsk,
177 struct user_namespace *ns, int cap)
179 const struct cred *cred;
180 int ret;
182 cred = get_task_cred(tsk);
183 ret = security_ops->capable(tsk, cred, ns, cap, SECURITY_CAP_NOAUDIT);
184 put_cred(cred);
185 return ret;
188 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
190 return security_ops->quotactl(cmds, type, id, sb);
193 int security_quota_on(struct dentry *dentry)
195 return security_ops->quota_on(dentry);
198 int security_syslog(int type)
200 return security_ops->syslog(type);
203 int security_settime(const struct timespec *ts, const struct timezone *tz)
205 return security_ops->settime(ts, tz);
208 int security_vm_enough_memory(long pages)
210 WARN_ON(current->mm == NULL);
211 return security_ops->vm_enough_memory(current->mm, pages);
214 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
216 WARN_ON(mm == NULL);
217 return security_ops->vm_enough_memory(mm, pages);
220 int security_vm_enough_memory_kern(long pages)
222 /* If current->mm is a kernel thread then we will pass NULL,
223 for this specific case that is fine */
224 return security_ops->vm_enough_memory(current->mm, pages);
227 int security_bprm_set_creds(struct linux_binprm *bprm)
229 return security_ops->bprm_set_creds(bprm);
232 int security_bprm_check(struct linux_binprm *bprm)
234 int ret;
236 ret = security_ops->bprm_check_security(bprm);
237 if (ret)
238 return ret;
239 return ima_bprm_check(bprm);
242 void security_bprm_committing_creds(struct linux_binprm *bprm)
244 security_ops->bprm_committing_creds(bprm);
247 void security_bprm_committed_creds(struct linux_binprm *bprm)
249 security_ops->bprm_committed_creds(bprm);
252 int security_bprm_secureexec(struct linux_binprm *bprm)
254 return security_ops->bprm_secureexec(bprm);
257 int security_sb_alloc(struct super_block *sb)
259 return security_ops->sb_alloc_security(sb);
262 void security_sb_free(struct super_block *sb)
264 security_ops->sb_free_security(sb);
267 int security_sb_copy_data(char *orig, char *copy)
269 return security_ops->sb_copy_data(orig, copy);
271 EXPORT_SYMBOL(security_sb_copy_data);
273 int security_sb_remount(struct super_block *sb, void *data)
275 return security_ops->sb_remount(sb, data);
278 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
280 return security_ops->sb_kern_mount(sb, flags, data);
283 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
285 return security_ops->sb_show_options(m, sb);
288 int security_sb_statfs(struct dentry *dentry)
290 return security_ops->sb_statfs(dentry);
293 int security_sb_mount(char *dev_name, struct path *path,
294 char *type, unsigned long flags, void *data)
296 return security_ops->sb_mount(dev_name, path, type, flags, data);
299 int security_sb_umount(struct vfsmount *mnt, int flags)
301 return security_ops->sb_umount(mnt, flags);
304 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
306 return security_ops->sb_pivotroot(old_path, new_path);
309 int security_sb_set_mnt_opts(struct super_block *sb,
310 struct security_mnt_opts *opts)
312 return security_ops->sb_set_mnt_opts(sb, opts);
314 EXPORT_SYMBOL(security_sb_set_mnt_opts);
316 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
317 struct super_block *newsb)
319 security_ops->sb_clone_mnt_opts(oldsb, newsb);
321 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
323 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
325 return security_ops->sb_parse_opts_str(options, opts);
327 EXPORT_SYMBOL(security_sb_parse_opts_str);
329 int security_inode_alloc(struct inode *inode)
331 inode->i_security = NULL;
332 return security_ops->inode_alloc_security(inode);
335 void security_inode_free(struct inode *inode)
337 ima_inode_free(inode);
338 security_ops->inode_free_security(inode);
341 int security_inode_init_security(struct inode *inode, struct inode *dir,
342 const struct qstr *qstr, char **name,
343 void **value, size_t *len)
345 if (unlikely(IS_PRIVATE(inode)))
346 return -EOPNOTSUPP;
347 return security_ops->inode_init_security(inode, dir, qstr, name, value,
348 len);
350 EXPORT_SYMBOL(security_inode_init_security);
352 #ifdef CONFIG_SECURITY_PATH
353 int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
354 unsigned int dev)
356 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
357 return 0;
358 return security_ops->path_mknod(dir, dentry, mode, dev);
360 EXPORT_SYMBOL(security_path_mknod);
362 int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
364 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
365 return 0;
366 return security_ops->path_mkdir(dir, dentry, mode);
368 EXPORT_SYMBOL(security_path_mkdir);
370 int security_path_rmdir(struct path *dir, struct dentry *dentry)
372 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
373 return 0;
374 return security_ops->path_rmdir(dir, dentry);
377 int security_path_unlink(struct path *dir, struct dentry *dentry)
379 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
380 return 0;
381 return security_ops->path_unlink(dir, dentry);
383 EXPORT_SYMBOL(security_path_unlink);
385 int security_path_symlink(struct path *dir, struct dentry *dentry,
386 const char *old_name)
388 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
389 return 0;
390 return security_ops->path_symlink(dir, dentry, old_name);
393 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
394 struct dentry *new_dentry)
396 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
397 return 0;
398 return security_ops->path_link(old_dentry, new_dir, new_dentry);
401 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
402 struct path *new_dir, struct dentry *new_dentry)
404 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
405 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
406 return 0;
407 return security_ops->path_rename(old_dir, old_dentry, new_dir,
408 new_dentry);
410 EXPORT_SYMBOL(security_path_rename);
412 int security_path_truncate(struct path *path)
414 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
415 return 0;
416 return security_ops->path_truncate(path);
419 int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
420 mode_t mode)
422 if (unlikely(IS_PRIVATE(dentry->d_inode)))
423 return 0;
424 return security_ops->path_chmod(dentry, mnt, mode);
427 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
429 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
430 return 0;
431 return security_ops->path_chown(path, uid, gid);
434 int security_path_chroot(struct path *path)
436 return security_ops->path_chroot(path);
438 #endif
440 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
442 if (unlikely(IS_PRIVATE(dir)))
443 return 0;
444 return security_ops->inode_create(dir, dentry, mode);
446 EXPORT_SYMBOL_GPL(security_inode_create);
448 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
449 struct dentry *new_dentry)
451 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
452 return 0;
453 return security_ops->inode_link(old_dentry, dir, new_dentry);
456 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
458 if (unlikely(IS_PRIVATE(dentry->d_inode)))
459 return 0;
460 return security_ops->inode_unlink(dir, dentry);
463 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
464 const char *old_name)
466 if (unlikely(IS_PRIVATE(dir)))
467 return 0;
468 return security_ops->inode_symlink(dir, dentry, old_name);
471 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
473 if (unlikely(IS_PRIVATE(dir)))
474 return 0;
475 return security_ops->inode_mkdir(dir, dentry, mode);
477 EXPORT_SYMBOL_GPL(security_inode_mkdir);
479 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
481 if (unlikely(IS_PRIVATE(dentry->d_inode)))
482 return 0;
483 return security_ops->inode_rmdir(dir, dentry);
486 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
488 if (unlikely(IS_PRIVATE(dir)))
489 return 0;
490 return security_ops->inode_mknod(dir, dentry, mode, dev);
493 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
494 struct inode *new_dir, struct dentry *new_dentry)
496 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
497 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
498 return 0;
499 return security_ops->inode_rename(old_dir, old_dentry,
500 new_dir, new_dentry);
503 int security_inode_readlink(struct dentry *dentry)
505 if (unlikely(IS_PRIVATE(dentry->d_inode)))
506 return 0;
507 return security_ops->inode_readlink(dentry);
510 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
512 if (unlikely(IS_PRIVATE(dentry->d_inode)))
513 return 0;
514 return security_ops->inode_follow_link(dentry, nd);
517 int security_inode_permission(struct inode *inode, int mask)
519 if (unlikely(IS_PRIVATE(inode)))
520 return 0;
521 return security_ops->inode_permission(inode, mask);
524 int security_inode_exec_permission(struct inode *inode, unsigned int flags)
526 if (unlikely(IS_PRIVATE(inode)))
527 return 0;
528 if (flags)
529 return -ECHILD;
530 return security_ops->inode_permission(inode, MAY_EXEC);
533 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
535 if (unlikely(IS_PRIVATE(dentry->d_inode)))
536 return 0;
537 return security_ops->inode_setattr(dentry, attr);
539 EXPORT_SYMBOL_GPL(security_inode_setattr);
541 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
543 if (unlikely(IS_PRIVATE(dentry->d_inode)))
544 return 0;
545 return security_ops->inode_getattr(mnt, dentry);
548 int security_inode_setxattr(struct dentry *dentry, const char *name,
549 const void *value, size_t size, int flags)
551 if (unlikely(IS_PRIVATE(dentry->d_inode)))
552 return 0;
553 return security_ops->inode_setxattr(dentry, name, value, size, flags);
556 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
557 const void *value, size_t size, int flags)
559 if (unlikely(IS_PRIVATE(dentry->d_inode)))
560 return;
561 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
564 int security_inode_getxattr(struct dentry *dentry, const char *name)
566 if (unlikely(IS_PRIVATE(dentry->d_inode)))
567 return 0;
568 return security_ops->inode_getxattr(dentry, name);
571 int security_inode_listxattr(struct dentry *dentry)
573 if (unlikely(IS_PRIVATE(dentry->d_inode)))
574 return 0;
575 return security_ops->inode_listxattr(dentry);
578 int security_inode_removexattr(struct dentry *dentry, const char *name)
580 if (unlikely(IS_PRIVATE(dentry->d_inode)))
581 return 0;
582 return security_ops->inode_removexattr(dentry, name);
585 int security_inode_need_killpriv(struct dentry *dentry)
587 return security_ops->inode_need_killpriv(dentry);
590 int security_inode_killpriv(struct dentry *dentry)
592 return security_ops->inode_killpriv(dentry);
595 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
597 if (unlikely(IS_PRIVATE(inode)))
598 return -EOPNOTSUPP;
599 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
602 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
604 if (unlikely(IS_PRIVATE(inode)))
605 return -EOPNOTSUPP;
606 return security_ops->inode_setsecurity(inode, name, value, size, flags);
609 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
611 if (unlikely(IS_PRIVATE(inode)))
612 return 0;
613 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
616 void security_inode_getsecid(const struct inode *inode, u32 *secid)
618 security_ops->inode_getsecid(inode, secid);
621 int security_file_permission(struct file *file, int mask)
623 int ret;
625 ret = security_ops->file_permission(file, mask);
626 if (ret)
627 return ret;
629 return fsnotify_perm(file, mask);
632 int security_file_alloc(struct file *file)
634 return security_ops->file_alloc_security(file);
637 void security_file_free(struct file *file)
639 security_ops->file_free_security(file);
642 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
644 return security_ops->file_ioctl(file, cmd, arg);
647 int security_file_mmap(struct file *file, unsigned long reqprot,
648 unsigned long prot, unsigned long flags,
649 unsigned long addr, unsigned long addr_only)
651 int ret;
653 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
654 if (ret)
655 return ret;
656 return ima_file_mmap(file, prot);
659 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
660 unsigned long prot)
662 return security_ops->file_mprotect(vma, reqprot, prot);
665 int security_file_lock(struct file *file, unsigned int cmd)
667 return security_ops->file_lock(file, cmd);
670 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
672 return security_ops->file_fcntl(file, cmd, arg);
675 int security_file_set_fowner(struct file *file)
677 return security_ops->file_set_fowner(file);
680 int security_file_send_sigiotask(struct task_struct *tsk,
681 struct fown_struct *fown, int sig)
683 return security_ops->file_send_sigiotask(tsk, fown, sig);
686 int security_file_receive(struct file *file)
688 return security_ops->file_receive(file);
691 int security_dentry_open(struct file *file, const struct cred *cred)
693 int ret;
695 ret = security_ops->dentry_open(file, cred);
696 if (ret)
697 return ret;
699 return fsnotify_perm(file, MAY_OPEN);
702 int security_task_create(unsigned long clone_flags)
704 return security_ops->task_create(clone_flags);
707 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
709 return security_ops->cred_alloc_blank(cred, gfp);
712 void security_cred_free(struct cred *cred)
714 security_ops->cred_free(cred);
717 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
719 return security_ops->cred_prepare(new, old, gfp);
722 void security_transfer_creds(struct cred *new, const struct cred *old)
724 security_ops->cred_transfer(new, old);
727 int security_kernel_act_as(struct cred *new, u32 secid)
729 return security_ops->kernel_act_as(new, secid);
732 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
734 return security_ops->kernel_create_files_as(new, inode);
737 int security_kernel_module_request(char *kmod_name)
739 return security_ops->kernel_module_request(kmod_name);
742 int security_task_fix_setuid(struct cred *new, const struct cred *old,
743 int flags)
745 return security_ops->task_fix_setuid(new, old, flags);
748 int security_task_setpgid(struct task_struct *p, pid_t pgid)
750 return security_ops->task_setpgid(p, pgid);
753 int security_task_getpgid(struct task_struct *p)
755 return security_ops->task_getpgid(p);
758 int security_task_getsid(struct task_struct *p)
760 return security_ops->task_getsid(p);
763 void security_task_getsecid(struct task_struct *p, u32 *secid)
765 security_ops->task_getsecid(p, secid);
767 EXPORT_SYMBOL(security_task_getsecid);
769 int security_task_setnice(struct task_struct *p, int nice)
771 return security_ops->task_setnice(p, nice);
774 int security_task_setioprio(struct task_struct *p, int ioprio)
776 return security_ops->task_setioprio(p, ioprio);
779 int security_task_getioprio(struct task_struct *p)
781 return security_ops->task_getioprio(p);
784 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
785 struct rlimit *new_rlim)
787 return security_ops->task_setrlimit(p, resource, new_rlim);
790 int security_task_setscheduler(struct task_struct *p)
792 return security_ops->task_setscheduler(p);
795 int security_task_getscheduler(struct task_struct *p)
797 return security_ops->task_getscheduler(p);
800 int security_task_movememory(struct task_struct *p)
802 return security_ops->task_movememory(p);
805 int security_task_kill(struct task_struct *p, struct siginfo *info,
806 int sig, u32 secid)
808 return security_ops->task_kill(p, info, sig, secid);
811 int security_task_wait(struct task_struct *p)
813 return security_ops->task_wait(p);
816 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
817 unsigned long arg4, unsigned long arg5)
819 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
822 void security_task_to_inode(struct task_struct *p, struct inode *inode)
824 security_ops->task_to_inode(p, inode);
827 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
829 return security_ops->ipc_permission(ipcp, flag);
832 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
834 security_ops->ipc_getsecid(ipcp, secid);
837 int security_msg_msg_alloc(struct msg_msg *msg)
839 return security_ops->msg_msg_alloc_security(msg);
842 void security_msg_msg_free(struct msg_msg *msg)
844 security_ops->msg_msg_free_security(msg);
847 int security_msg_queue_alloc(struct msg_queue *msq)
849 return security_ops->msg_queue_alloc_security(msq);
852 void security_msg_queue_free(struct msg_queue *msq)
854 security_ops->msg_queue_free_security(msq);
857 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
859 return security_ops->msg_queue_associate(msq, msqflg);
862 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
864 return security_ops->msg_queue_msgctl(msq, cmd);
867 int security_msg_queue_msgsnd(struct msg_queue *msq,
868 struct msg_msg *msg, int msqflg)
870 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
873 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
874 struct task_struct *target, long type, int mode)
876 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
879 int security_shm_alloc(struct shmid_kernel *shp)
881 return security_ops->shm_alloc_security(shp);
884 void security_shm_free(struct shmid_kernel *shp)
886 security_ops->shm_free_security(shp);
889 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
891 return security_ops->shm_associate(shp, shmflg);
894 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
896 return security_ops->shm_shmctl(shp, cmd);
899 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
901 return security_ops->shm_shmat(shp, shmaddr, shmflg);
904 int security_sem_alloc(struct sem_array *sma)
906 return security_ops->sem_alloc_security(sma);
909 void security_sem_free(struct sem_array *sma)
911 security_ops->sem_free_security(sma);
914 int security_sem_associate(struct sem_array *sma, int semflg)
916 return security_ops->sem_associate(sma, semflg);
919 int security_sem_semctl(struct sem_array *sma, int cmd)
921 return security_ops->sem_semctl(sma, cmd);
924 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
925 unsigned nsops, int alter)
927 return security_ops->sem_semop(sma, sops, nsops, alter);
930 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
932 if (unlikely(inode && IS_PRIVATE(inode)))
933 return;
934 security_ops->d_instantiate(dentry, inode);
936 EXPORT_SYMBOL(security_d_instantiate);
938 int security_getprocattr(struct task_struct *p, char *name, char **value)
940 return security_ops->getprocattr(p, name, value);
943 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
945 return security_ops->setprocattr(p, name, value, size);
948 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
950 return security_ops->netlink_send(sk, skb);
953 int security_netlink_recv(struct sk_buff *skb, int cap)
955 return security_ops->netlink_recv(skb, cap);
957 EXPORT_SYMBOL(security_netlink_recv);
959 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
961 return security_ops->secid_to_secctx(secid, secdata, seclen);
963 EXPORT_SYMBOL(security_secid_to_secctx);
965 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
967 return security_ops->secctx_to_secid(secdata, seclen, secid);
969 EXPORT_SYMBOL(security_secctx_to_secid);
971 void security_release_secctx(char *secdata, u32 seclen)
973 security_ops->release_secctx(secdata, seclen);
975 EXPORT_SYMBOL(security_release_secctx);
977 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
979 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
981 EXPORT_SYMBOL(security_inode_notifysecctx);
983 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
985 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
987 EXPORT_SYMBOL(security_inode_setsecctx);
989 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
991 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
993 EXPORT_SYMBOL(security_inode_getsecctx);
995 #ifdef CONFIG_SECURITY_NETWORK
997 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
999 return security_ops->unix_stream_connect(sock, other, newsk);
1001 EXPORT_SYMBOL(security_unix_stream_connect);
1003 int security_unix_may_send(struct socket *sock, struct socket *other)
1005 return security_ops->unix_may_send(sock, other);
1007 EXPORT_SYMBOL(security_unix_may_send);
1009 int security_socket_create(int family, int type, int protocol, int kern)
1011 return security_ops->socket_create(family, type, protocol, kern);
1014 int security_socket_post_create(struct socket *sock, int family,
1015 int type, int protocol, int kern)
1017 return security_ops->socket_post_create(sock, family, type,
1018 protocol, kern);
1021 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1023 return security_ops->socket_bind(sock, address, addrlen);
1026 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1028 return security_ops->socket_connect(sock, address, addrlen);
1031 int security_socket_listen(struct socket *sock, int backlog)
1033 return security_ops->socket_listen(sock, backlog);
1036 int security_socket_accept(struct socket *sock, struct socket *newsock)
1038 return security_ops->socket_accept(sock, newsock);
1041 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1043 return security_ops->socket_sendmsg(sock, msg, size);
1046 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1047 int size, int flags)
1049 return security_ops->socket_recvmsg(sock, msg, size, flags);
1052 int security_socket_getsockname(struct socket *sock)
1054 return security_ops->socket_getsockname(sock);
1057 int security_socket_getpeername(struct socket *sock)
1059 return security_ops->socket_getpeername(sock);
1062 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1064 return security_ops->socket_getsockopt(sock, level, optname);
1067 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1069 return security_ops->socket_setsockopt(sock, level, optname);
1072 int security_socket_shutdown(struct socket *sock, int how)
1074 return security_ops->socket_shutdown(sock, how);
1077 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1079 return security_ops->socket_sock_rcv_skb(sk, skb);
1081 EXPORT_SYMBOL(security_sock_rcv_skb);
1083 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1084 int __user *optlen, unsigned len)
1086 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1089 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1091 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1093 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1095 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1097 return security_ops->sk_alloc_security(sk, family, priority);
1100 void security_sk_free(struct sock *sk)
1102 security_ops->sk_free_security(sk);
1105 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1107 security_ops->sk_clone_security(sk, newsk);
1110 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1112 security_ops->sk_getsecid(sk, &fl->flowi_secid);
1114 EXPORT_SYMBOL(security_sk_classify_flow);
1116 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1118 security_ops->req_classify_flow(req, fl);
1120 EXPORT_SYMBOL(security_req_classify_flow);
1122 void security_sock_graft(struct sock *sk, struct socket *parent)
1124 security_ops->sock_graft(sk, parent);
1126 EXPORT_SYMBOL(security_sock_graft);
1128 int security_inet_conn_request(struct sock *sk,
1129 struct sk_buff *skb, struct request_sock *req)
1131 return security_ops->inet_conn_request(sk, skb, req);
1133 EXPORT_SYMBOL(security_inet_conn_request);
1135 void security_inet_csk_clone(struct sock *newsk,
1136 const struct request_sock *req)
1138 security_ops->inet_csk_clone(newsk, req);
1141 void security_inet_conn_established(struct sock *sk,
1142 struct sk_buff *skb)
1144 security_ops->inet_conn_established(sk, skb);
1147 int security_secmark_relabel_packet(u32 secid)
1149 return security_ops->secmark_relabel_packet(secid);
1151 EXPORT_SYMBOL(security_secmark_relabel_packet);
1153 void security_secmark_refcount_inc(void)
1155 security_ops->secmark_refcount_inc();
1157 EXPORT_SYMBOL(security_secmark_refcount_inc);
1159 void security_secmark_refcount_dec(void)
1161 security_ops->secmark_refcount_dec();
1163 EXPORT_SYMBOL(security_secmark_refcount_dec);
1165 int security_tun_dev_create(void)
1167 return security_ops->tun_dev_create();
1169 EXPORT_SYMBOL(security_tun_dev_create);
1171 void security_tun_dev_post_create(struct sock *sk)
1173 return security_ops->tun_dev_post_create(sk);
1175 EXPORT_SYMBOL(security_tun_dev_post_create);
1177 int security_tun_dev_attach(struct sock *sk)
1179 return security_ops->tun_dev_attach(sk);
1181 EXPORT_SYMBOL(security_tun_dev_attach);
1183 #endif /* CONFIG_SECURITY_NETWORK */
1185 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1187 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1189 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1191 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1193 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1194 struct xfrm_sec_ctx **new_ctxp)
1196 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1199 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1201 security_ops->xfrm_policy_free_security(ctx);
1203 EXPORT_SYMBOL(security_xfrm_policy_free);
1205 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1207 return security_ops->xfrm_policy_delete_security(ctx);
1210 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1212 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1214 EXPORT_SYMBOL(security_xfrm_state_alloc);
1216 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1217 struct xfrm_sec_ctx *polsec, u32 secid)
1219 if (!polsec)
1220 return 0;
1222 * We want the context to be taken from secid which is usually
1223 * from the sock.
1225 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1228 int security_xfrm_state_delete(struct xfrm_state *x)
1230 return security_ops->xfrm_state_delete_security(x);
1232 EXPORT_SYMBOL(security_xfrm_state_delete);
1234 void security_xfrm_state_free(struct xfrm_state *x)
1236 security_ops->xfrm_state_free_security(x);
1239 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1241 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1244 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1245 struct xfrm_policy *xp,
1246 const struct flowi *fl)
1248 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1251 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1253 return security_ops->xfrm_decode_session(skb, secid, 1);
1256 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1258 int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
1260 BUG_ON(rc);
1262 EXPORT_SYMBOL(security_skb_classify_flow);
1264 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1266 #ifdef CONFIG_KEYS
1268 int security_key_alloc(struct key *key, const struct cred *cred,
1269 unsigned long flags)
1271 return security_ops->key_alloc(key, cred, flags);
1274 void security_key_free(struct key *key)
1276 security_ops->key_free(key);
1279 int security_key_permission(key_ref_t key_ref,
1280 const struct cred *cred, key_perm_t perm)
1282 return security_ops->key_permission(key_ref, cred, perm);
1285 int security_key_getsecurity(struct key *key, char **_buffer)
1287 return security_ops->key_getsecurity(key, _buffer);
1290 #endif /* CONFIG_KEYS */
1292 #ifdef CONFIG_AUDIT
1294 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1296 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1299 int security_audit_rule_known(struct audit_krule *krule)
1301 return security_ops->audit_rule_known(krule);
1304 void security_audit_rule_free(void *lsmrule)
1306 security_ops->audit_rule_free(lsmrule);
1309 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1310 struct audit_context *actx)
1312 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1315 #endif /* CONFIG_AUDIT */