blob: 440afe5eb54c508e55b6342e34a5e3b0c85f8b26 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Security plug functions
3 *
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>
7 *
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.
12 */
13
Randy.Dunlapc59ede72006-01-11 12:17:46 -080014#include <linux/capability.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070015#include <linux/module.h>
16#include <linux/init.h>
17#include <linux/kernel.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070018#include <linux/security.h>
Mimi Zohar6c21a7f2009-10-22 17:30:13 -040019#include <linux/ima.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070020
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020021/* Boot-time LSM user choice */
John Johansen6e65f922009-11-05 17:03:20 -080022static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
23 CONFIG_DEFAULT_SECURITY;
Linus Torvalds1da177e2005-04-16 15:20:36 -070024
Miklos Szeredi5915eb52008-07-03 20:56:05 +020025/* things that live in capability.c */
26extern struct security_operations default_security_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070027extern void security_fixup_ops(struct security_operations *ops);
28
29struct security_operations *security_ops; /* Initialized to NULL */
Eric Parisa5ecbcb2008-01-31 15:11:22 -050030
Linus Torvalds1da177e2005-04-16 15:20:36 -070031static inline int verify(struct security_operations *ops)
32{
33 /* verify the security_operations structure exists */
34 if (!ops)
35 return -EINVAL;
36 security_fixup_ops(ops);
37 return 0;
38}
39
40static void __init do_security_initcalls(void)
41{
42 initcall_t *call;
43 call = __security_initcall_start;
44 while (call < __security_initcall_end) {
45 (*call) ();
46 call++;
47 }
48}
49
50/**
51 * security_init - initializes the security framework
52 *
53 * This should be called early in the kernel initialization sequence.
54 */
55int __init security_init(void)
56{
James Morris20510f22007-10-16 23:31:32 -070057 printk(KERN_INFO "Security Framework initialized\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070058
Miklos Szeredi5915eb52008-07-03 20:56:05 +020059 security_fixup_ops(&default_security_ops);
60 security_ops = &default_security_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070061 do_security_initcalls();
62
63 return 0;
64}
65
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020066/* Save user chosen LSM */
67static int __init choose_lsm(char *str)
68{
69 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
70 return 1;
71}
72__setup("security=", choose_lsm);
73
74/**
75 * security_module_enable - Load given security module on boot ?
76 * @ops: a pointer to the struct security_operations that is to be checked.
77 *
78 * Each LSM must pass this method before registering its own operations
79 * to avoid security registration races. This method may also be used
James Morris7cea51b2008-03-07 12:23:49 +110080 * to check if your LSM is currently loaded during kernel initialization.
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020081 *
82 * Return true if:
83 * -The passed LSM is the one chosen by user at boot time,
John Johansen6e65f922009-11-05 17:03:20 -080084 * -or the passed LSM is configured as the default and the user did not
85 * choose an alternate LSM at boot time,
86 * -or there is no default LSM set and the user didn't specify a
87 * specific LSM and we're the first to ask for registration permission,
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020088 * -or the passed LSM is currently loaded.
89 * Otherwise, return false.
90 */
91int __init security_module_enable(struct security_operations *ops)
92{
93 if (!*chosen_lsm)
94 strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
95 else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
96 return 0;
97
98 return 1;
99}
100
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101/**
102 * register_security - registers a security framework with the kernel
103 * @ops: a pointer to the struct security_options that is to be registered
104 *
Randy Dunlap3f23d812008-08-17 21:44:22 -0700105 * This function allows a security module to register itself with the
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106 * kernel security subsystem. Some rudimentary checking is done on the @ops
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +0200107 * value passed to this function. You'll need to check first if your LSM
108 * is allowed to register its @ops by calling security_module_enable(@ops).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109 *
110 * If there is already a security module registered with the kernel,
Randy Dunlap3f23d812008-08-17 21:44:22 -0700111 * an error will be returned. Otherwise %0 is returned on success.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112 */
113int register_security(struct security_operations *ops)
114{
115 if (verify(ops)) {
116 printk(KERN_DEBUG "%s could not verify "
Harvey Harrisondd6f9532008-03-06 10:03:59 +1100117 "security_operations structure.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118 return -EINVAL;
119 }
120
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200121 if (security_ops != &default_security_ops)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122 return -EAGAIN;
123
124 security_ops = ops;
125
126 return 0;
127}
128
James Morris20510f22007-10-16 23:31:32 -0700129/* Security operations */
130
Ingo Molnar9e488582009-05-07 19:26:19 +1000131int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
James Morris20510f22007-10-16 23:31:32 -0700132{
Ingo Molnar9e488582009-05-07 19:26:19 +1000133 return security_ops->ptrace_access_check(child, mode);
David Howells5cd9c582008-08-14 11:37:28 +0100134}
135
136int security_ptrace_traceme(struct task_struct *parent)
137{
138 return security_ops->ptrace_traceme(parent);
James Morris20510f22007-10-16 23:31:32 -0700139}
140
141int security_capget(struct task_struct *target,
142 kernel_cap_t *effective,
143 kernel_cap_t *inheritable,
144 kernel_cap_t *permitted)
145{
146 return security_ops->capget(target, effective, inheritable, permitted);
147}
148
David Howellsd84f4f92008-11-14 10:39:23 +1100149int security_capset(struct cred *new, const struct cred *old,
150 const kernel_cap_t *effective,
151 const kernel_cap_t *inheritable,
152 const kernel_cap_t *permitted)
James Morris20510f22007-10-16 23:31:32 -0700153{
David Howellsd84f4f92008-11-14 10:39:23 +1100154 return security_ops->capset(new, old,
155 effective, inheritable, permitted);
James Morris20510f22007-10-16 23:31:32 -0700156}
157
David Howells3699c532009-01-06 22:27:01 +0000158int security_capable(int cap)
James Morris20510f22007-10-16 23:31:32 -0700159{
David Howells3699c532009-01-06 22:27:01 +0000160 return security_ops->capable(current, current_cred(), cap,
161 SECURITY_CAP_AUDIT);
Eric Paris06112162008-11-11 22:02:50 +1100162}
163
David Howells3699c532009-01-06 22:27:01 +0000164int security_real_capable(struct task_struct *tsk, int cap)
Eric Paris06112162008-11-11 22:02:50 +1100165{
David Howells3699c532009-01-06 22:27:01 +0000166 const struct cred *cred;
167 int ret;
168
169 cred = get_task_cred(tsk);
170 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_AUDIT);
171 put_cred(cred);
172 return ret;
173}
174
175int security_real_capable_noaudit(struct task_struct *tsk, int cap)
176{
177 const struct cred *cred;
178 int ret;
179
180 cred = get_task_cred(tsk);
181 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_NOAUDIT);
182 put_cred(cred);
183 return ret;
James Morris20510f22007-10-16 23:31:32 -0700184}
185
186int security_acct(struct file *file)
187{
188 return security_ops->acct(file);
189}
190
191int security_sysctl(struct ctl_table *table, int op)
192{
193 return security_ops->sysctl(table, op);
194}
195
196int security_quotactl(int cmds, int type, int id, struct super_block *sb)
197{
198 return security_ops->quotactl(cmds, type, id, sb);
199}
200
201int security_quota_on(struct dentry *dentry)
202{
203 return security_ops->quota_on(dentry);
204}
205
206int security_syslog(int type)
207{
208 return security_ops->syslog(type);
209}
210
211int security_settime(struct timespec *ts, struct timezone *tz)
212{
213 return security_ops->settime(ts, tz);
214}
215
216int security_vm_enough_memory(long pages)
217{
Alan Cox731572d2008-10-29 14:01:20 -0700218 WARN_ON(current->mm == NULL);
James Morris20510f22007-10-16 23:31:32 -0700219 return security_ops->vm_enough_memory(current->mm, pages);
220}
221
222int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
223{
Alan Cox731572d2008-10-29 14:01:20 -0700224 WARN_ON(mm == NULL);
James Morris20510f22007-10-16 23:31:32 -0700225 return security_ops->vm_enough_memory(mm, pages);
226}
227
Alan Cox731572d2008-10-29 14:01:20 -0700228int security_vm_enough_memory_kern(long pages)
229{
230 /* If current->mm is a kernel thread then we will pass NULL,
231 for this specific case that is fine */
232 return security_ops->vm_enough_memory(current->mm, pages);
233}
234
David Howellsa6f76f22008-11-14 10:39:24 +1100235int security_bprm_set_creds(struct linux_binprm *bprm)
James Morris20510f22007-10-16 23:31:32 -0700236{
David Howellsa6f76f22008-11-14 10:39:24 +1100237 return security_ops->bprm_set_creds(bprm);
James Morris20510f22007-10-16 23:31:32 -0700238}
239
240int security_bprm_check(struct linux_binprm *bprm)
241{
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400242 int ret;
243
244 ret = security_ops->bprm_check_security(bprm);
245 if (ret)
246 return ret;
247 return ima_bprm_check(bprm);
James Morris20510f22007-10-16 23:31:32 -0700248}
249
David Howellsa6f76f22008-11-14 10:39:24 +1100250void security_bprm_committing_creds(struct linux_binprm *bprm)
251{
Hannes Eder200036c2008-11-24 22:14:43 +0100252 security_ops->bprm_committing_creds(bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100253}
254
255void security_bprm_committed_creds(struct linux_binprm *bprm)
256{
Hannes Eder200036c2008-11-24 22:14:43 +0100257 security_ops->bprm_committed_creds(bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100258}
259
James Morris20510f22007-10-16 23:31:32 -0700260int security_bprm_secureexec(struct linux_binprm *bprm)
261{
262 return security_ops->bprm_secureexec(bprm);
263}
264
265int security_sb_alloc(struct super_block *sb)
266{
267 return security_ops->sb_alloc_security(sb);
268}
269
270void security_sb_free(struct super_block *sb)
271{
272 security_ops->sb_free_security(sb);
273}
274
Eric Parise0007522008-03-05 10:31:54 -0500275int security_sb_copy_data(char *orig, char *copy)
James Morris20510f22007-10-16 23:31:32 -0700276{
Eric Parise0007522008-03-05 10:31:54 -0500277 return security_ops->sb_copy_data(orig, copy);
James Morris20510f22007-10-16 23:31:32 -0700278}
Eric Parise0007522008-03-05 10:31:54 -0500279EXPORT_SYMBOL(security_sb_copy_data);
James Morris20510f22007-10-16 23:31:32 -0700280
James Morris12204e22008-12-19 10:44:42 +1100281int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
James Morris20510f22007-10-16 23:31:32 -0700282{
James Morris12204e22008-12-19 10:44:42 +1100283 return security_ops->sb_kern_mount(sb, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700284}
285
Eric Paris2069f452008-07-04 09:47:13 +1000286int security_sb_show_options(struct seq_file *m, struct super_block *sb)
287{
288 return security_ops->sb_show_options(m, sb);
289}
290
James Morris20510f22007-10-16 23:31:32 -0700291int security_sb_statfs(struct dentry *dentry)
292{
293 return security_ops->sb_statfs(dentry);
294}
295
Al Virob5266eb2008-03-22 17:48:24 -0400296int security_sb_mount(char *dev_name, struct path *path,
James Morris20510f22007-10-16 23:31:32 -0700297 char *type, unsigned long flags, void *data)
298{
Al Virob5266eb2008-03-22 17:48:24 -0400299 return security_ops->sb_mount(dev_name, path, type, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700300}
301
Al Virob5266eb2008-03-22 17:48:24 -0400302int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
James Morris20510f22007-10-16 23:31:32 -0700303{
Al Virob5266eb2008-03-22 17:48:24 -0400304 return security_ops->sb_check_sb(mnt, path);
James Morris20510f22007-10-16 23:31:32 -0700305}
306
307int security_sb_umount(struct vfsmount *mnt, int flags)
308{
309 return security_ops->sb_umount(mnt, flags);
310}
311
312void security_sb_umount_close(struct vfsmount *mnt)
313{
314 security_ops->sb_umount_close(mnt);
315}
316
317void security_sb_umount_busy(struct vfsmount *mnt)
318{
319 security_ops->sb_umount_busy(mnt);
320}
321
322void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
323{
324 security_ops->sb_post_remount(mnt, flags, data);
325}
326
Al Virob5266eb2008-03-22 17:48:24 -0400327void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
James Morris20510f22007-10-16 23:31:32 -0700328{
Al Virob5266eb2008-03-22 17:48:24 -0400329 security_ops->sb_post_addmount(mnt, mountpoint);
James Morris20510f22007-10-16 23:31:32 -0700330}
331
Al Virob5266eb2008-03-22 17:48:24 -0400332int security_sb_pivotroot(struct path *old_path, struct path *new_path)
James Morris20510f22007-10-16 23:31:32 -0700333{
Al Virob5266eb2008-03-22 17:48:24 -0400334 return security_ops->sb_pivotroot(old_path, new_path);
James Morris20510f22007-10-16 23:31:32 -0700335}
336
Al Virob5266eb2008-03-22 17:48:24 -0400337void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
James Morris20510f22007-10-16 23:31:32 -0700338{
Al Virob5266eb2008-03-22 17:48:24 -0400339 security_ops->sb_post_pivotroot(old_path, new_path);
James Morris20510f22007-10-16 23:31:32 -0700340}
341
Eric Parisc9180a52007-11-30 13:00:35 -0500342int security_sb_set_mnt_opts(struct super_block *sb,
Eric Parise0007522008-03-05 10:31:54 -0500343 struct security_mnt_opts *opts)
Eric Parisc9180a52007-11-30 13:00:35 -0500344{
Eric Parise0007522008-03-05 10:31:54 -0500345 return security_ops->sb_set_mnt_opts(sb, opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500346}
Eric Parise0007522008-03-05 10:31:54 -0500347EXPORT_SYMBOL(security_sb_set_mnt_opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500348
349void security_sb_clone_mnt_opts(const struct super_block *oldsb,
350 struct super_block *newsb)
351{
352 security_ops->sb_clone_mnt_opts(oldsb, newsb);
353}
Eric Parise0007522008-03-05 10:31:54 -0500354EXPORT_SYMBOL(security_sb_clone_mnt_opts);
355
356int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
357{
358 return security_ops->sb_parse_opts_str(options, opts);
359}
360EXPORT_SYMBOL(security_sb_parse_opts_str);
Eric Parisc9180a52007-11-30 13:00:35 -0500361
James Morris20510f22007-10-16 23:31:32 -0700362int security_inode_alloc(struct inode *inode)
363{
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400364 int ret;
365
James Morris20510f22007-10-16 23:31:32 -0700366 inode->i_security = NULL;
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400367 ret = security_ops->inode_alloc_security(inode);
368 if (ret)
369 return ret;
370 ret = ima_inode_alloc(inode);
371 if (ret)
372 security_inode_free(inode);
373 return ret;
James Morris20510f22007-10-16 23:31:32 -0700374}
375
376void security_inode_free(struct inode *inode)
377{
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400378 ima_inode_free(inode);
James Morris20510f22007-10-16 23:31:32 -0700379 security_ops->inode_free_security(inode);
380}
381
382int security_inode_init_security(struct inode *inode, struct inode *dir,
383 char **name, void **value, size_t *len)
384{
385 if (unlikely(IS_PRIVATE(inode)))
386 return -EOPNOTSUPP;
387 return security_ops->inode_init_security(inode, dir, name, value, len);
388}
389EXPORT_SYMBOL(security_inode_init_security);
390
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900391#ifdef CONFIG_SECURITY_PATH
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900392int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900393 unsigned int dev)
394{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900395 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900396 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900397 return security_ops->path_mknod(dir, dentry, mode, dev);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900398}
399EXPORT_SYMBOL(security_path_mknod);
400
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900401int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900402{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900403 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900404 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900405 return security_ops->path_mkdir(dir, dentry, mode);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900406}
407
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900408int security_path_rmdir(struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900409{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900410 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900411 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900412 return security_ops->path_rmdir(dir, dentry);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900413}
414
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900415int security_path_unlink(struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900416{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900417 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900418 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900419 return security_ops->path_unlink(dir, dentry);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900420}
421
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900422int security_path_symlink(struct path *dir, struct dentry *dentry,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900423 const char *old_name)
424{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900425 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900426 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900427 return security_ops->path_symlink(dir, dentry, old_name);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900428}
429
430int security_path_link(struct dentry *old_dentry, struct path *new_dir,
431 struct dentry *new_dentry)
432{
433 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
434 return 0;
435 return security_ops->path_link(old_dentry, new_dir, new_dentry);
436}
437
438int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
439 struct path *new_dir, struct dentry *new_dentry)
440{
441 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
442 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
443 return 0;
444 return security_ops->path_rename(old_dir, old_dentry, new_dir,
445 new_dentry);
446}
447
448int security_path_truncate(struct path *path, loff_t length,
449 unsigned int time_attrs)
450{
451 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
452 return 0;
453 return security_ops->path_truncate(path, length, time_attrs);
454}
Tetsuo Handa89eda062009-10-04 21:49:47 +0900455
456int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
457 mode_t mode)
458{
459 if (unlikely(IS_PRIVATE(dentry->d_inode)))
460 return 0;
461 return security_ops->path_chmod(dentry, mnt, mode);
462}
463
464int security_path_chown(struct path *path, uid_t uid, gid_t gid)
465{
466 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
467 return 0;
468 return security_ops->path_chown(path, uid, gid);
469}
Tetsuo Handa8b8efb42009-10-04 21:49:48 +0900470
471int security_path_chroot(struct path *path)
472{
473 return security_ops->path_chroot(path);
474}
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900475#endif
476
James Morris20510f22007-10-16 23:31:32 -0700477int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
478{
479 if (unlikely(IS_PRIVATE(dir)))
480 return 0;
481 return security_ops->inode_create(dir, dentry, mode);
482}
David Howells800a9642009-04-03 16:42:40 +0100483EXPORT_SYMBOL_GPL(security_inode_create);
James Morris20510f22007-10-16 23:31:32 -0700484
485int security_inode_link(struct dentry *old_dentry, struct inode *dir,
486 struct dentry *new_dentry)
487{
488 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
489 return 0;
490 return security_ops->inode_link(old_dentry, dir, new_dentry);
491}
492
493int security_inode_unlink(struct inode *dir, struct dentry *dentry)
494{
495 if (unlikely(IS_PRIVATE(dentry->d_inode)))
496 return 0;
497 return security_ops->inode_unlink(dir, dentry);
498}
499
500int security_inode_symlink(struct inode *dir, struct dentry *dentry,
501 const char *old_name)
502{
503 if (unlikely(IS_PRIVATE(dir)))
504 return 0;
505 return security_ops->inode_symlink(dir, dentry, old_name);
506}
507
508int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
509{
510 if (unlikely(IS_PRIVATE(dir)))
511 return 0;
512 return security_ops->inode_mkdir(dir, dentry, mode);
513}
David Howells800a9642009-04-03 16:42:40 +0100514EXPORT_SYMBOL_GPL(security_inode_mkdir);
James Morris20510f22007-10-16 23:31:32 -0700515
516int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
517{
518 if (unlikely(IS_PRIVATE(dentry->d_inode)))
519 return 0;
520 return security_ops->inode_rmdir(dir, dentry);
521}
522
523int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
524{
525 if (unlikely(IS_PRIVATE(dir)))
526 return 0;
527 return security_ops->inode_mknod(dir, dentry, mode, dev);
528}
529
530int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
531 struct inode *new_dir, struct dentry *new_dentry)
532{
533 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
534 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
535 return 0;
536 return security_ops->inode_rename(old_dir, old_dentry,
537 new_dir, new_dentry);
538}
539
540int security_inode_readlink(struct dentry *dentry)
541{
542 if (unlikely(IS_PRIVATE(dentry->d_inode)))
543 return 0;
544 return security_ops->inode_readlink(dentry);
545}
546
547int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
548{
549 if (unlikely(IS_PRIVATE(dentry->d_inode)))
550 return 0;
551 return security_ops->inode_follow_link(dentry, nd);
552}
553
Al Virob77b0642008-07-17 09:37:02 -0400554int security_inode_permission(struct inode *inode, int mask)
James Morris20510f22007-10-16 23:31:32 -0700555{
556 if (unlikely(IS_PRIVATE(inode)))
557 return 0;
Al Virob77b0642008-07-17 09:37:02 -0400558 return security_ops->inode_permission(inode, mask);
James Morris20510f22007-10-16 23:31:32 -0700559}
560
561int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
562{
563 if (unlikely(IS_PRIVATE(dentry->d_inode)))
564 return 0;
565 return security_ops->inode_setattr(dentry, attr);
566}
Miklos Szeredib1da47e2008-07-01 15:01:28 +0200567EXPORT_SYMBOL_GPL(security_inode_setattr);
James Morris20510f22007-10-16 23:31:32 -0700568
569int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
570{
571 if (unlikely(IS_PRIVATE(dentry->d_inode)))
572 return 0;
573 return security_ops->inode_getattr(mnt, dentry);
574}
575
576void security_inode_delete(struct inode *inode)
577{
578 if (unlikely(IS_PRIVATE(inode)))
579 return;
580 security_ops->inode_delete(inode);
581}
582
David Howells8f0cfa52008-04-29 00:59:41 -0700583int security_inode_setxattr(struct dentry *dentry, const char *name,
584 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700585{
586 if (unlikely(IS_PRIVATE(dentry->d_inode)))
587 return 0;
588 return security_ops->inode_setxattr(dentry, name, value, size, flags);
589}
590
David Howells8f0cfa52008-04-29 00:59:41 -0700591void security_inode_post_setxattr(struct dentry *dentry, const char *name,
592 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700593{
594 if (unlikely(IS_PRIVATE(dentry->d_inode)))
595 return;
596 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
597}
598
David Howells8f0cfa52008-04-29 00:59:41 -0700599int security_inode_getxattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700600{
601 if (unlikely(IS_PRIVATE(dentry->d_inode)))
602 return 0;
603 return security_ops->inode_getxattr(dentry, name);
604}
605
606int security_inode_listxattr(struct dentry *dentry)
607{
608 if (unlikely(IS_PRIVATE(dentry->d_inode)))
609 return 0;
610 return security_ops->inode_listxattr(dentry);
611}
612
David Howells8f0cfa52008-04-29 00:59:41 -0700613int security_inode_removexattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700614{
615 if (unlikely(IS_PRIVATE(dentry->d_inode)))
616 return 0;
617 return security_ops->inode_removexattr(dentry, name);
618}
619
Serge E. Hallynb5376772007-10-16 23:31:36 -0700620int security_inode_need_killpriv(struct dentry *dentry)
621{
622 return security_ops->inode_need_killpriv(dentry);
623}
624
625int security_inode_killpriv(struct dentry *dentry)
626{
627 return security_ops->inode_killpriv(dentry);
628}
629
David P. Quigley42492592008-02-04 22:29:39 -0800630int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
James Morris20510f22007-10-16 23:31:32 -0700631{
632 if (unlikely(IS_PRIVATE(inode)))
James Morris8d952502010-01-14 09:33:28 +1100633 return -EOPNOTSUPP;
David P. Quigley42492592008-02-04 22:29:39 -0800634 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
James Morris20510f22007-10-16 23:31:32 -0700635}
636
637int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
638{
639 if (unlikely(IS_PRIVATE(inode)))
James Morris8d952502010-01-14 09:33:28 +1100640 return -EOPNOTSUPP;
James Morris20510f22007-10-16 23:31:32 -0700641 return security_ops->inode_setsecurity(inode, name, value, size, flags);
642}
643
644int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
645{
646 if (unlikely(IS_PRIVATE(inode)))
647 return 0;
648 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
649}
650
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200651void security_inode_getsecid(const struct inode *inode, u32 *secid)
652{
653 security_ops->inode_getsecid(inode, secid);
654}
655
James Morris20510f22007-10-16 23:31:32 -0700656int security_file_permission(struct file *file, int mask)
657{
658 return security_ops->file_permission(file, mask);
659}
660
661int security_file_alloc(struct file *file)
662{
663 return security_ops->file_alloc_security(file);
664}
665
666void security_file_free(struct file *file)
667{
668 security_ops->file_free_security(file);
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400669 if (file->f_dentry)
670 ima_file_free(file);
James Morris20510f22007-10-16 23:31:32 -0700671}
672
673int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
674{
675 return security_ops->file_ioctl(file, cmd, arg);
676}
677
678int security_file_mmap(struct file *file, unsigned long reqprot,
679 unsigned long prot, unsigned long flags,
680 unsigned long addr, unsigned long addr_only)
681{
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400682 int ret;
683
684 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
685 if (ret)
686 return ret;
687 return ima_file_mmap(file, prot);
James Morris20510f22007-10-16 23:31:32 -0700688}
689
690int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
691 unsigned long prot)
692{
693 return security_ops->file_mprotect(vma, reqprot, prot);
694}
695
696int security_file_lock(struct file *file, unsigned int cmd)
697{
698 return security_ops->file_lock(file, cmd);
699}
700
701int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
702{
703 return security_ops->file_fcntl(file, cmd, arg);
704}
705
706int security_file_set_fowner(struct file *file)
707{
708 return security_ops->file_set_fowner(file);
709}
710
711int security_file_send_sigiotask(struct task_struct *tsk,
712 struct fown_struct *fown, int sig)
713{
714 return security_ops->file_send_sigiotask(tsk, fown, sig);
715}
716
717int security_file_receive(struct file *file)
718{
719 return security_ops->file_receive(file);
720}
721
David Howells745ca242008-11-14 10:39:22 +1100722int security_dentry_open(struct file *file, const struct cred *cred)
James Morris20510f22007-10-16 23:31:32 -0700723{
David Howells745ca242008-11-14 10:39:22 +1100724 return security_ops->dentry_open(file, cred);
James Morris20510f22007-10-16 23:31:32 -0700725}
726
727int security_task_create(unsigned long clone_flags)
728{
729 return security_ops->task_create(clone_flags);
730}
731
David Howellsee18d642009-09-02 09:14:21 +0100732int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
733{
734 return security_ops->cred_alloc_blank(cred, gfp);
735}
736
David Howellsf1752ee2008-11-14 10:39:17 +1100737void security_cred_free(struct cred *cred)
James Morris20510f22007-10-16 23:31:32 -0700738{
David Howellsf1752ee2008-11-14 10:39:17 +1100739 security_ops->cred_free(cred);
James Morris20510f22007-10-16 23:31:32 -0700740}
741
David Howellsd84f4f92008-11-14 10:39:23 +1100742int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
743{
744 return security_ops->cred_prepare(new, old, gfp);
745}
746
747void security_commit_creds(struct cred *new, const struct cred *old)
748{
Hannes Eder200036c2008-11-24 22:14:43 +0100749 security_ops->cred_commit(new, old);
David Howellsd84f4f92008-11-14 10:39:23 +1100750}
751
David Howellsee18d642009-09-02 09:14:21 +0100752void security_transfer_creds(struct cred *new, const struct cred *old)
753{
754 security_ops->cred_transfer(new, old);
755}
756
David Howells3a3b7ce2008-11-14 10:39:28 +1100757int security_kernel_act_as(struct cred *new, u32 secid)
758{
759 return security_ops->kernel_act_as(new, secid);
760}
761
762int security_kernel_create_files_as(struct cred *new, struct inode *inode)
763{
764 return security_ops->kernel_create_files_as(new, inode);
765}
766
Eric Parisdd8dbf22009-11-03 16:35:32 +1100767int security_kernel_module_request(char *kmod_name)
Eric Paris91884992009-08-13 09:44:57 -0400768{
Eric Parisdd8dbf22009-11-03 16:35:32 +1100769 return security_ops->kernel_module_request(kmod_name);
Eric Paris91884992009-08-13 09:44:57 -0400770}
771
James Morris20510f22007-10-16 23:31:32 -0700772int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
773{
774 return security_ops->task_setuid(id0, id1, id2, flags);
775}
776
David Howellsd84f4f92008-11-14 10:39:23 +1100777int security_task_fix_setuid(struct cred *new, const struct cred *old,
778 int flags)
James Morris20510f22007-10-16 23:31:32 -0700779{
David Howellsd84f4f92008-11-14 10:39:23 +1100780 return security_ops->task_fix_setuid(new, old, flags);
James Morris20510f22007-10-16 23:31:32 -0700781}
782
783int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
784{
785 return security_ops->task_setgid(id0, id1, id2, flags);
786}
787
788int security_task_setpgid(struct task_struct *p, pid_t pgid)
789{
790 return security_ops->task_setpgid(p, pgid);
791}
792
793int security_task_getpgid(struct task_struct *p)
794{
795 return security_ops->task_getpgid(p);
796}
797
798int security_task_getsid(struct task_struct *p)
799{
800 return security_ops->task_getsid(p);
801}
802
803void security_task_getsecid(struct task_struct *p, u32 *secid)
804{
805 security_ops->task_getsecid(p, secid);
806}
807EXPORT_SYMBOL(security_task_getsecid);
808
809int security_task_setgroups(struct group_info *group_info)
810{
811 return security_ops->task_setgroups(group_info);
812}
813
814int security_task_setnice(struct task_struct *p, int nice)
815{
816 return security_ops->task_setnice(p, nice);
817}
818
819int security_task_setioprio(struct task_struct *p, int ioprio)
820{
821 return security_ops->task_setioprio(p, ioprio);
822}
823
824int security_task_getioprio(struct task_struct *p)
825{
826 return security_ops->task_getioprio(p);
827}
828
829int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
830{
831 return security_ops->task_setrlimit(resource, new_rlim);
832}
833
834int security_task_setscheduler(struct task_struct *p,
835 int policy, struct sched_param *lp)
836{
837 return security_ops->task_setscheduler(p, policy, lp);
838}
839
840int security_task_getscheduler(struct task_struct *p)
841{
842 return security_ops->task_getscheduler(p);
843}
844
845int security_task_movememory(struct task_struct *p)
846{
847 return security_ops->task_movememory(p);
848}
849
850int security_task_kill(struct task_struct *p, struct siginfo *info,
851 int sig, u32 secid)
852{
853 return security_ops->task_kill(p, info, sig, secid);
854}
855
856int security_task_wait(struct task_struct *p)
857{
858 return security_ops->task_wait(p);
859}
860
861int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
David Howellsd84f4f92008-11-14 10:39:23 +1100862 unsigned long arg4, unsigned long arg5)
James Morris20510f22007-10-16 23:31:32 -0700863{
David Howellsd84f4f92008-11-14 10:39:23 +1100864 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
James Morris20510f22007-10-16 23:31:32 -0700865}
866
867void security_task_to_inode(struct task_struct *p, struct inode *inode)
868{
869 security_ops->task_to_inode(p, inode);
870}
871
872int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
873{
874 return security_ops->ipc_permission(ipcp, flag);
875}
876
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200877void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
878{
879 security_ops->ipc_getsecid(ipcp, secid);
880}
881
James Morris20510f22007-10-16 23:31:32 -0700882int security_msg_msg_alloc(struct msg_msg *msg)
883{
884 return security_ops->msg_msg_alloc_security(msg);
885}
886
887void security_msg_msg_free(struct msg_msg *msg)
888{
889 security_ops->msg_msg_free_security(msg);
890}
891
892int security_msg_queue_alloc(struct msg_queue *msq)
893{
894 return security_ops->msg_queue_alloc_security(msq);
895}
896
897void security_msg_queue_free(struct msg_queue *msq)
898{
899 security_ops->msg_queue_free_security(msq);
900}
901
902int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
903{
904 return security_ops->msg_queue_associate(msq, msqflg);
905}
906
907int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
908{
909 return security_ops->msg_queue_msgctl(msq, cmd);
910}
911
912int security_msg_queue_msgsnd(struct msg_queue *msq,
913 struct msg_msg *msg, int msqflg)
914{
915 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
916}
917
918int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
919 struct task_struct *target, long type, int mode)
920{
921 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
922}
923
924int security_shm_alloc(struct shmid_kernel *shp)
925{
926 return security_ops->shm_alloc_security(shp);
927}
928
929void security_shm_free(struct shmid_kernel *shp)
930{
931 security_ops->shm_free_security(shp);
932}
933
934int security_shm_associate(struct shmid_kernel *shp, int shmflg)
935{
936 return security_ops->shm_associate(shp, shmflg);
937}
938
939int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
940{
941 return security_ops->shm_shmctl(shp, cmd);
942}
943
944int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
945{
946 return security_ops->shm_shmat(shp, shmaddr, shmflg);
947}
948
949int security_sem_alloc(struct sem_array *sma)
950{
951 return security_ops->sem_alloc_security(sma);
952}
953
954void security_sem_free(struct sem_array *sma)
955{
956 security_ops->sem_free_security(sma);
957}
958
959int security_sem_associate(struct sem_array *sma, int semflg)
960{
961 return security_ops->sem_associate(sma, semflg);
962}
963
964int security_sem_semctl(struct sem_array *sma, int cmd)
965{
966 return security_ops->sem_semctl(sma, cmd);
967}
968
969int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
970 unsigned nsops, int alter)
971{
972 return security_ops->sem_semop(sma, sops, nsops, alter);
973}
974
975void security_d_instantiate(struct dentry *dentry, struct inode *inode)
976{
977 if (unlikely(inode && IS_PRIVATE(inode)))
978 return;
979 security_ops->d_instantiate(dentry, inode);
980}
981EXPORT_SYMBOL(security_d_instantiate);
982
983int security_getprocattr(struct task_struct *p, char *name, char **value)
984{
985 return security_ops->getprocattr(p, name, value);
986}
987
988int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
989{
990 return security_ops->setprocattr(p, name, value, size);
991}
992
993int security_netlink_send(struct sock *sk, struct sk_buff *skb)
994{
995 return security_ops->netlink_send(sk, skb);
996}
James Morris20510f22007-10-16 23:31:32 -0700997
998int security_netlink_recv(struct sk_buff *skb, int cap)
999{
1000 return security_ops->netlink_recv(skb, cap);
1001}
1002EXPORT_SYMBOL(security_netlink_recv);
1003
1004int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1005{
1006 return security_ops->secid_to_secctx(secid, secdata, seclen);
1007}
1008EXPORT_SYMBOL(security_secid_to_secctx);
1009
David Howells7bf570d2008-04-29 20:52:51 +01001010int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
David Howells63cb3442008-01-15 23:47:35 +00001011{
1012 return security_ops->secctx_to_secid(secdata, seclen, secid);
1013}
1014EXPORT_SYMBOL(security_secctx_to_secid);
1015
James Morris20510f22007-10-16 23:31:32 -07001016void security_release_secctx(char *secdata, u32 seclen)
1017{
James Morris65fc7662008-06-12 01:00:10 +10001018 security_ops->release_secctx(secdata, seclen);
James Morris20510f22007-10-16 23:31:32 -07001019}
1020EXPORT_SYMBOL(security_release_secctx);
1021
David P. Quigley1ee65e32009-09-03 14:25:57 -04001022int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1023{
1024 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
1025}
1026EXPORT_SYMBOL(security_inode_notifysecctx);
1027
1028int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1029{
1030 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1031}
1032EXPORT_SYMBOL(security_inode_setsecctx);
1033
1034int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1035{
1036 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1037}
1038EXPORT_SYMBOL(security_inode_getsecctx);
1039
James Morris20510f22007-10-16 23:31:32 -07001040#ifdef CONFIG_SECURITY_NETWORK
1041
1042int security_unix_stream_connect(struct socket *sock, struct socket *other,
1043 struct sock *newsk)
1044{
1045 return security_ops->unix_stream_connect(sock, other, newsk);
1046}
1047EXPORT_SYMBOL(security_unix_stream_connect);
1048
1049int security_unix_may_send(struct socket *sock, struct socket *other)
1050{
1051 return security_ops->unix_may_send(sock, other);
1052}
1053EXPORT_SYMBOL(security_unix_may_send);
1054
1055int security_socket_create(int family, int type, int protocol, int kern)
1056{
1057 return security_ops->socket_create(family, type, protocol, kern);
1058}
1059
1060int security_socket_post_create(struct socket *sock, int family,
1061 int type, int protocol, int kern)
1062{
1063 return security_ops->socket_post_create(sock, family, type,
1064 protocol, kern);
1065}
1066
1067int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1068{
1069 return security_ops->socket_bind(sock, address, addrlen);
1070}
1071
1072int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1073{
1074 return security_ops->socket_connect(sock, address, addrlen);
1075}
1076
1077int security_socket_listen(struct socket *sock, int backlog)
1078{
1079 return security_ops->socket_listen(sock, backlog);
1080}
1081
1082int security_socket_accept(struct socket *sock, struct socket *newsock)
1083{
1084 return security_ops->socket_accept(sock, newsock);
1085}
1086
James Morris20510f22007-10-16 23:31:32 -07001087int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1088{
1089 return security_ops->socket_sendmsg(sock, msg, size);
1090}
1091
1092int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1093 int size, int flags)
1094{
1095 return security_ops->socket_recvmsg(sock, msg, size, flags);
1096}
1097
1098int security_socket_getsockname(struct socket *sock)
1099{
1100 return security_ops->socket_getsockname(sock);
1101}
1102
1103int security_socket_getpeername(struct socket *sock)
1104{
1105 return security_ops->socket_getpeername(sock);
1106}
1107
1108int security_socket_getsockopt(struct socket *sock, int level, int optname)
1109{
1110 return security_ops->socket_getsockopt(sock, level, optname);
1111}
1112
1113int security_socket_setsockopt(struct socket *sock, int level, int optname)
1114{
1115 return security_ops->socket_setsockopt(sock, level, optname);
1116}
1117
1118int security_socket_shutdown(struct socket *sock, int how)
1119{
1120 return security_ops->socket_shutdown(sock, how);
1121}
1122
1123int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1124{
1125 return security_ops->socket_sock_rcv_skb(sk, skb);
1126}
1127EXPORT_SYMBOL(security_sock_rcv_skb);
1128
1129int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1130 int __user *optlen, unsigned len)
1131{
1132 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1133}
1134
1135int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1136{
1137 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1138}
1139EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1140
1141int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1142{
1143 return security_ops->sk_alloc_security(sk, family, priority);
1144}
1145
1146void security_sk_free(struct sock *sk)
1147{
James Morris65fc7662008-06-12 01:00:10 +10001148 security_ops->sk_free_security(sk);
James Morris20510f22007-10-16 23:31:32 -07001149}
1150
1151void security_sk_clone(const struct sock *sk, struct sock *newsk)
1152{
James Morris65fc7662008-06-12 01:00:10 +10001153 security_ops->sk_clone_security(sk, newsk);
James Morris20510f22007-10-16 23:31:32 -07001154}
1155
1156void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1157{
1158 security_ops->sk_getsecid(sk, &fl->secid);
1159}
1160EXPORT_SYMBOL(security_sk_classify_flow);
1161
1162void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1163{
1164 security_ops->req_classify_flow(req, fl);
1165}
1166EXPORT_SYMBOL(security_req_classify_flow);
1167
1168void security_sock_graft(struct sock *sk, struct socket *parent)
1169{
1170 security_ops->sock_graft(sk, parent);
1171}
1172EXPORT_SYMBOL(security_sock_graft);
1173
1174int security_inet_conn_request(struct sock *sk,
1175 struct sk_buff *skb, struct request_sock *req)
1176{
1177 return security_ops->inet_conn_request(sk, skb, req);
1178}
1179EXPORT_SYMBOL(security_inet_conn_request);
1180
1181void security_inet_csk_clone(struct sock *newsk,
1182 const struct request_sock *req)
1183{
1184 security_ops->inet_csk_clone(newsk, req);
1185}
1186
1187void security_inet_conn_established(struct sock *sk,
1188 struct sk_buff *skb)
1189{
1190 security_ops->inet_conn_established(sk, skb);
1191}
1192
Paul Moore2b980db2009-08-28 18:12:43 -04001193int security_tun_dev_create(void)
1194{
1195 return security_ops->tun_dev_create();
1196}
1197EXPORT_SYMBOL(security_tun_dev_create);
1198
1199void security_tun_dev_post_create(struct sock *sk)
1200{
1201 return security_ops->tun_dev_post_create(sk);
1202}
1203EXPORT_SYMBOL(security_tun_dev_post_create);
1204
1205int security_tun_dev_attach(struct sock *sk)
1206{
1207 return security_ops->tun_dev_attach(sk);
1208}
1209EXPORT_SYMBOL(security_tun_dev_attach);
1210
James Morris20510f22007-10-16 23:31:32 -07001211#endif /* CONFIG_SECURITY_NETWORK */
1212
1213#ifdef CONFIG_SECURITY_NETWORK_XFRM
1214
Paul Moore03e1ad72008-04-12 19:07:52 -07001215int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
James Morris20510f22007-10-16 23:31:32 -07001216{
Paul Moore03e1ad72008-04-12 19:07:52 -07001217 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
James Morris20510f22007-10-16 23:31:32 -07001218}
1219EXPORT_SYMBOL(security_xfrm_policy_alloc);
1220
Paul Moore03e1ad72008-04-12 19:07:52 -07001221int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1222 struct xfrm_sec_ctx **new_ctxp)
James Morris20510f22007-10-16 23:31:32 -07001223{
Paul Moore03e1ad72008-04-12 19:07:52 -07001224 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
James Morris20510f22007-10-16 23:31:32 -07001225}
1226
Paul Moore03e1ad72008-04-12 19:07:52 -07001227void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001228{
Paul Moore03e1ad72008-04-12 19:07:52 -07001229 security_ops->xfrm_policy_free_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001230}
1231EXPORT_SYMBOL(security_xfrm_policy_free);
1232
Paul Moore03e1ad72008-04-12 19:07:52 -07001233int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001234{
Paul Moore03e1ad72008-04-12 19:07:52 -07001235 return security_ops->xfrm_policy_delete_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001236}
1237
1238int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1239{
1240 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1241}
1242EXPORT_SYMBOL(security_xfrm_state_alloc);
1243
1244int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1245 struct xfrm_sec_ctx *polsec, u32 secid)
1246{
1247 if (!polsec)
1248 return 0;
1249 /*
1250 * We want the context to be taken from secid which is usually
1251 * from the sock.
1252 */
1253 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1254}
1255
1256int security_xfrm_state_delete(struct xfrm_state *x)
1257{
1258 return security_ops->xfrm_state_delete_security(x);
1259}
1260EXPORT_SYMBOL(security_xfrm_state_delete);
1261
1262void security_xfrm_state_free(struct xfrm_state *x)
1263{
1264 security_ops->xfrm_state_free_security(x);
1265}
1266
Paul Moore03e1ad72008-04-12 19:07:52 -07001267int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
James Morris20510f22007-10-16 23:31:32 -07001268{
Paul Moore03e1ad72008-04-12 19:07:52 -07001269 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
James Morris20510f22007-10-16 23:31:32 -07001270}
1271
1272int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1273 struct xfrm_policy *xp, struct flowi *fl)
1274{
1275 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1276}
1277
1278int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1279{
1280 return security_ops->xfrm_decode_session(skb, secid, 1);
1281}
1282
1283void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1284{
1285 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1286
1287 BUG_ON(rc);
1288}
1289EXPORT_SYMBOL(security_skb_classify_flow);
1290
1291#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1292
1293#ifdef CONFIG_KEYS
1294
David Howellsd84f4f92008-11-14 10:39:23 +11001295int security_key_alloc(struct key *key, const struct cred *cred,
1296 unsigned long flags)
James Morris20510f22007-10-16 23:31:32 -07001297{
David Howellsd84f4f92008-11-14 10:39:23 +11001298 return security_ops->key_alloc(key, cred, flags);
James Morris20510f22007-10-16 23:31:32 -07001299}
1300
1301void security_key_free(struct key *key)
1302{
1303 security_ops->key_free(key);
1304}
1305
1306int security_key_permission(key_ref_t key_ref,
David Howellsd84f4f92008-11-14 10:39:23 +11001307 const struct cred *cred, key_perm_t perm)
James Morris20510f22007-10-16 23:31:32 -07001308{
David Howellsd84f4f92008-11-14 10:39:23 +11001309 return security_ops->key_permission(key_ref, cred, perm);
James Morris20510f22007-10-16 23:31:32 -07001310}
1311
David Howells70a5bb72008-04-29 01:01:26 -07001312int security_key_getsecurity(struct key *key, char **_buffer)
1313{
1314 return security_ops->key_getsecurity(key, _buffer);
1315}
1316
David Howellsee18d642009-09-02 09:14:21 +01001317int security_key_session_to_parent(const struct cred *cred,
1318 const struct cred *parent_cred,
1319 struct key *key)
1320{
1321 return security_ops->key_session_to_parent(cred, parent_cred, key);
1322}
1323
James Morris20510f22007-10-16 23:31:32 -07001324#endif /* CONFIG_KEYS */
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001325
1326#ifdef CONFIG_AUDIT
1327
1328int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1329{
1330 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1331}
1332
1333int security_audit_rule_known(struct audit_krule *krule)
1334{
1335 return security_ops->audit_rule_known(krule);
1336}
1337
1338void security_audit_rule_free(void *lsmrule)
1339{
1340 security_ops->audit_rule_free(lsmrule);
1341}
1342
1343int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1344 struct audit_context *actx)
1345{
1346 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1347}
1348
1349#endif /* CONFIG_AUDIT */