blob: 3b11b3b72fe2f0af5f561fbbff4dcadb60a4a59a [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 Zoharf381c272011-03-09 14:13:22 -050019#include <linux/integrity.h>
Mimi Zohar6c21a7f2009-10-22 17:30:13 -040020#include <linux/ima.h>
Mimi Zohar3e1be522011-03-09 14:38:26 -050021#include <linux/evm.h>
Al Viro40401532012-02-13 03:58:52 +000022#include <linux/fsnotify.h>
Al Viro8b3ec682012-05-30 17:11:23 -040023#include <linux/mman.h>
24#include <linux/mount.h>
25#include <linux/personality.h>
Al Viro40401532012-02-13 03:58:52 +000026#include <net/flow.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070027
Mimi Zohar823eb1c2011-06-15 21:19:10 -040028#define MAX_LSM_EVM_XATTR 2
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020030/* Boot-time LSM user choice */
John Johansen6e65f922009-11-05 17:03:20 -080031static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
32 CONFIG_DEFAULT_SECURITY;
Linus Torvalds1da177e2005-04-16 15:20:36 -070033
wzt.wzt@gmail.com189b3b12010-02-23 23:15:28 +080034static struct security_operations *security_ops;
35static struct security_operations default_security_ops = {
36 .name = "default",
37};
Eric Parisa5ecbcb2008-01-31 15:11:22 -050038
Tetsuo Handac80901f2010-05-14 12:01:26 +090039static inline int __init verify(struct security_operations *ops)
Linus Torvalds1da177e2005-04-16 15:20:36 -070040{
41 /* verify the security_operations structure exists */
42 if (!ops)
43 return -EINVAL;
44 security_fixup_ops(ops);
45 return 0;
46}
47
48static void __init do_security_initcalls(void)
49{
50 initcall_t *call;
51 call = __security_initcall_start;
52 while (call < __security_initcall_end) {
53 (*call) ();
54 call++;
55 }
56}
57
58/**
59 * security_init - initializes the security framework
60 *
61 * This should be called early in the kernel initialization sequence.
62 */
63int __init security_init(void)
64{
James Morris20510f22007-10-16 23:31:32 -070065 printk(KERN_INFO "Security Framework initialized\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070066
Miklos Szeredi5915eb52008-07-03 20:56:05 +020067 security_fixup_ops(&default_security_ops);
68 security_ops = &default_security_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070069 do_security_initcalls();
70
71 return 0;
72}
73
wzt.wzt@gmail.com189b3b12010-02-23 23:15:28 +080074void reset_security_ops(void)
75{
76 security_ops = &default_security_ops;
77}
78
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020079/* Save user chosen LSM */
80static int __init choose_lsm(char *str)
81{
82 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
83 return 1;
84}
85__setup("security=", choose_lsm);
86
87/**
88 * security_module_enable - Load given security module on boot ?
89 * @ops: a pointer to the struct security_operations that is to be checked.
90 *
91 * Each LSM must pass this method before registering its own operations
92 * to avoid security registration races. This method may also be used
James Morris7cea51b2008-03-07 12:23:49 +110093 * to check if your LSM is currently loaded during kernel initialization.
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020094 *
95 * Return true if:
96 * -The passed LSM is the one chosen by user at boot time,
John Johansen6e65f922009-11-05 17:03:20 -080097 * -or the passed LSM is configured as the default and the user did not
Tetsuo Handa065d78a2010-08-28 14:58:44 +090098 * choose an alternate LSM at boot time.
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020099 * Otherwise, return false.
100 */
101int __init security_module_enable(struct security_operations *ops)
102{
Tetsuo Handa065d78a2010-08-28 14:58:44 +0900103 return !strcmp(ops->name, chosen_lsm);
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +0200104}
105
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106/**
107 * register_security - registers a security framework with the kernel
108 * @ops: a pointer to the struct security_options that is to be registered
109 *
Randy Dunlap3f23d812008-08-17 21:44:22 -0700110 * This function allows a security module to register itself with the
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 * kernel security subsystem. Some rudimentary checking is done on the @ops
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +0200112 * value passed to this function. You'll need to check first if your LSM
113 * is allowed to register its @ops by calling security_module_enable(@ops).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114 *
115 * If there is already a security module registered with the kernel,
Randy Dunlap3f23d812008-08-17 21:44:22 -0700116 * an error will be returned. Otherwise %0 is returned on success.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117 */
wzt.wzt@gmail.comc1e992b2010-02-26 22:49:55 +0800118int __init register_security(struct security_operations *ops)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119{
120 if (verify(ops)) {
121 printk(KERN_DEBUG "%s could not verify "
Harvey Harrisondd6f9532008-03-06 10:03:59 +1100122 "security_operations structure.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123 return -EINVAL;
124 }
125
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200126 if (security_ops != &default_security_ops)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127 return -EAGAIN;
128
129 security_ops = ops;
130
131 return 0;
132}
133
James Morris20510f22007-10-16 23:31:32 -0700134/* Security operations */
135
Ingo Molnar9e488582009-05-07 19:26:19 +1000136int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
James Morris20510f22007-10-16 23:31:32 -0700137{
Ingo Molnar9e488582009-05-07 19:26:19 +1000138 return security_ops->ptrace_access_check(child, mode);
David Howells5cd9c582008-08-14 11:37:28 +0100139}
140
141int security_ptrace_traceme(struct task_struct *parent)
142{
143 return security_ops->ptrace_traceme(parent);
James Morris20510f22007-10-16 23:31:32 -0700144}
145
146int security_capget(struct task_struct *target,
147 kernel_cap_t *effective,
148 kernel_cap_t *inheritable,
149 kernel_cap_t *permitted)
150{
151 return security_ops->capget(target, effective, inheritable, permitted);
152}
153
David Howellsd84f4f92008-11-14 10:39:23 +1100154int security_capset(struct cred *new, const struct cred *old,
155 const kernel_cap_t *effective,
156 const kernel_cap_t *inheritable,
157 const kernel_cap_t *permitted)
James Morris20510f22007-10-16 23:31:32 -0700158{
David Howellsd84f4f92008-11-14 10:39:23 +1100159 return security_ops->capset(new, old,
160 effective, inheritable, permitted);
James Morris20510f22007-10-16 23:31:32 -0700161}
162
Eric Parisb7e724d2012-01-03 12:25:15 -0500163int security_capable(const struct cred *cred, struct user_namespace *ns,
Serge E. Hallyn34867402011-03-23 16:43:17 -0700164 int cap)
James Morris20510f22007-10-16 23:31:32 -0700165{
Eric Paris6a9de492012-01-03 12:25:14 -0500166 return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT);
Eric Paris06112162008-11-11 22:02:50 +1100167}
168
Eric Parisc7eba4a2012-01-03 12:25:15 -0500169int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
170 int cap)
Eric Paris06112162008-11-11 22:02:50 +1100171{
Eric Parisc7eba4a2012-01-03 12:25:15 -0500172 return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
James Morris20510f22007-10-16 23:31:32 -0700173}
174
James Morris20510f22007-10-16 23:31:32 -0700175int security_quotactl(int cmds, int type, int id, struct super_block *sb)
176{
177 return security_ops->quotactl(cmds, type, id, sb);
178}
179
180int security_quota_on(struct dentry *dentry)
181{
182 return security_ops->quota_on(dentry);
183}
184
Eric Paris12b30522010-11-15 18:36:29 -0500185int security_syslog(int type)
James Morris20510f22007-10-16 23:31:32 -0700186{
Eric Paris12b30522010-11-15 18:36:29 -0500187 return security_ops->syslog(type);
James Morris20510f22007-10-16 23:31:32 -0700188}
189
Richard Cochran1e6d7672011-02-01 13:50:58 +0000190int security_settime(const struct timespec *ts, const struct timezone *tz)
James Morris20510f22007-10-16 23:31:32 -0700191{
192 return security_ops->settime(ts, tz);
193}
194
James Morris20510f22007-10-16 23:31:32 -0700195int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
196{
197 return security_ops->vm_enough_memory(mm, pages);
198}
199
David Howellsa6f76f22008-11-14 10:39:24 +1100200int security_bprm_set_creds(struct linux_binprm *bprm)
James Morris20510f22007-10-16 23:31:32 -0700201{
David Howellsa6f76f22008-11-14 10:39:24 +1100202 return security_ops->bprm_set_creds(bprm);
James Morris20510f22007-10-16 23:31:32 -0700203}
204
205int security_bprm_check(struct linux_binprm *bprm)
206{
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400207 int ret;
208
209 ret = security_ops->bprm_check_security(bprm);
210 if (ret)
211 return ret;
212 return ima_bprm_check(bprm);
James Morris20510f22007-10-16 23:31:32 -0700213}
214
David Howellsa6f76f22008-11-14 10:39:24 +1100215void security_bprm_committing_creds(struct linux_binprm *bprm)
216{
Hannes Eder200036c2008-11-24 22:14:43 +0100217 security_ops->bprm_committing_creds(bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100218}
219
220void security_bprm_committed_creds(struct linux_binprm *bprm)
221{
Hannes Eder200036c2008-11-24 22:14:43 +0100222 security_ops->bprm_committed_creds(bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100223}
224
James Morris20510f22007-10-16 23:31:32 -0700225int security_bprm_secureexec(struct linux_binprm *bprm)
226{
227 return security_ops->bprm_secureexec(bprm);
228}
229
230int security_sb_alloc(struct super_block *sb)
231{
232 return security_ops->sb_alloc_security(sb);
233}
234
235void security_sb_free(struct super_block *sb)
236{
237 security_ops->sb_free_security(sb);
238}
239
Eric Parise0007522008-03-05 10:31:54 -0500240int security_sb_copy_data(char *orig, char *copy)
James Morris20510f22007-10-16 23:31:32 -0700241{
Eric Parise0007522008-03-05 10:31:54 -0500242 return security_ops->sb_copy_data(orig, copy);
James Morris20510f22007-10-16 23:31:32 -0700243}
Eric Parise0007522008-03-05 10:31:54 -0500244EXPORT_SYMBOL(security_sb_copy_data);
James Morris20510f22007-10-16 23:31:32 -0700245
Eric Parisff36fe22011-03-03 16:09:14 -0500246int security_sb_remount(struct super_block *sb, void *data)
247{
248 return security_ops->sb_remount(sb, data);
249}
250
James Morris12204e22008-12-19 10:44:42 +1100251int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
James Morris20510f22007-10-16 23:31:32 -0700252{
James Morris12204e22008-12-19 10:44:42 +1100253 return security_ops->sb_kern_mount(sb, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700254}
255
Eric Paris2069f452008-07-04 09:47:13 +1000256int security_sb_show_options(struct seq_file *m, struct super_block *sb)
257{
258 return security_ops->sb_show_options(m, sb);
259}
260
James Morris20510f22007-10-16 23:31:32 -0700261int security_sb_statfs(struct dentry *dentry)
262{
263 return security_ops->sb_statfs(dentry);
264}
265
Al Virob5266eb2008-03-22 17:48:24 -0400266int security_sb_mount(char *dev_name, struct path *path,
James Morris20510f22007-10-16 23:31:32 -0700267 char *type, unsigned long flags, void *data)
268{
Al Virob5266eb2008-03-22 17:48:24 -0400269 return security_ops->sb_mount(dev_name, path, type, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700270}
271
James Morris20510f22007-10-16 23:31:32 -0700272int security_sb_umount(struct vfsmount *mnt, int flags)
273{
274 return security_ops->sb_umount(mnt, flags);
275}
276
Al Virob5266eb2008-03-22 17:48:24 -0400277int security_sb_pivotroot(struct path *old_path, struct path *new_path)
James Morris20510f22007-10-16 23:31:32 -0700278{
Al Virob5266eb2008-03-22 17:48:24 -0400279 return security_ops->sb_pivotroot(old_path, new_path);
James Morris20510f22007-10-16 23:31:32 -0700280}
281
Eric Parisc9180a52007-11-30 13:00:35 -0500282int security_sb_set_mnt_opts(struct super_block *sb,
Eric Parise0007522008-03-05 10:31:54 -0500283 struct security_mnt_opts *opts)
Eric Parisc9180a52007-11-30 13:00:35 -0500284{
Eric Parise0007522008-03-05 10:31:54 -0500285 return security_ops->sb_set_mnt_opts(sb, opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500286}
Eric Parise0007522008-03-05 10:31:54 -0500287EXPORT_SYMBOL(security_sb_set_mnt_opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500288
289void security_sb_clone_mnt_opts(const struct super_block *oldsb,
290 struct super_block *newsb)
291{
292 security_ops->sb_clone_mnt_opts(oldsb, newsb);
293}
Eric Parise0007522008-03-05 10:31:54 -0500294EXPORT_SYMBOL(security_sb_clone_mnt_opts);
295
296int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
297{
298 return security_ops->sb_parse_opts_str(options, opts);
299}
300EXPORT_SYMBOL(security_sb_parse_opts_str);
Eric Parisc9180a52007-11-30 13:00:35 -0500301
James Morris20510f22007-10-16 23:31:32 -0700302int security_inode_alloc(struct inode *inode)
303{
304 inode->i_security = NULL;
Eric Parisbc7d2a32010-10-25 14:42:05 -0400305 return security_ops->inode_alloc_security(inode);
James Morris20510f22007-10-16 23:31:32 -0700306}
307
308void security_inode_free(struct inode *inode)
309{
Mimi Zoharf381c272011-03-09 14:13:22 -0500310 integrity_inode_free(inode);
James Morris20510f22007-10-16 23:31:32 -0700311 security_ops->inode_free_security(inode);
312}
313
314int security_inode_init_security(struct inode *inode, struct inode *dir,
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400315 const struct qstr *qstr,
316 const initxattrs initxattrs, void *fs_data)
317{
Mimi Zohar823eb1c2011-06-15 21:19:10 -0400318 struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
319 struct xattr *lsm_xattr, *evm_xattr, *xattr;
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400320 int ret;
321
322 if (unlikely(IS_PRIVATE(inode)))
Mimi Zoharfb88c2b2011-08-15 10:13:18 -0400323 return 0;
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400324
325 memset(new_xattrs, 0, sizeof new_xattrs);
326 if (!initxattrs)
327 return security_ops->inode_init_security(inode, dir, qstr,
328 NULL, NULL, NULL);
329 lsm_xattr = new_xattrs;
330 ret = security_ops->inode_init_security(inode, dir, qstr,
331 &lsm_xattr->name,
332 &lsm_xattr->value,
333 &lsm_xattr->value_len);
334 if (ret)
335 goto out;
Mimi Zohar823eb1c2011-06-15 21:19:10 -0400336
337 evm_xattr = lsm_xattr + 1;
338 ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
339 if (ret)
340 goto out;
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400341 ret = initxattrs(inode, new_xattrs, fs_data);
342out:
Mimi Zohar823eb1c2011-06-15 21:19:10 -0400343 for (xattr = new_xattrs; xattr->name != NULL; xattr++) {
344 kfree(xattr->name);
345 kfree(xattr->value);
346 }
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400347 return (ret == -EOPNOTSUPP) ? 0 : ret;
348}
349EXPORT_SYMBOL(security_inode_init_security);
350
351int security_old_inode_init_security(struct inode *inode, struct inode *dir,
352 const struct qstr *qstr, char **name,
353 void **value, size_t *len)
James Morris20510f22007-10-16 23:31:32 -0700354{
355 if (unlikely(IS_PRIVATE(inode)))
Jan Kara30e05322012-01-03 13:14:29 +0100356 return -EOPNOTSUPP;
Eric Paris2a7dba32011-02-01 11:05:39 -0500357 return security_ops->inode_init_security(inode, dir, qstr, name, value,
358 len);
James Morris20510f22007-10-16 23:31:32 -0700359}
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400360EXPORT_SYMBOL(security_old_inode_init_security);
James Morris20510f22007-10-16 23:31:32 -0700361
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900362#ifdef CONFIG_SECURITY_PATH
Al Viro04fc66e2011-11-21 14:58:38 -0500363int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900364 unsigned int dev)
365{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900366 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900367 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900368 return security_ops->path_mknod(dir, dentry, mode, dev);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900369}
370EXPORT_SYMBOL(security_path_mknod);
371
Al Viro4572bef2011-11-21 14:56:21 -0500372int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900373{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900374 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900375 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900376 return security_ops->path_mkdir(dir, dentry, mode);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900377}
David Howells82140442010-12-24 14:48:35 +0000378EXPORT_SYMBOL(security_path_mkdir);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900379
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900380int security_path_rmdir(struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900381{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900382 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900383 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900384 return security_ops->path_rmdir(dir, dentry);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900385}
386
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900387int security_path_unlink(struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900388{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900389 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900390 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900391 return security_ops->path_unlink(dir, dentry);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900392}
David Howells82140442010-12-24 14:48:35 +0000393EXPORT_SYMBOL(security_path_unlink);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900394
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900395int security_path_symlink(struct path *dir, struct dentry *dentry,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900396 const char *old_name)
397{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900398 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900399 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900400 return security_ops->path_symlink(dir, dentry, old_name);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900401}
402
403int security_path_link(struct dentry *old_dentry, struct path *new_dir,
404 struct dentry *new_dentry)
405{
406 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
407 return 0;
408 return security_ops->path_link(old_dentry, new_dir, new_dentry);
409}
410
411int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
412 struct path *new_dir, struct dentry *new_dentry)
413{
414 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
415 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
416 return 0;
417 return security_ops->path_rename(old_dir, old_dentry, new_dir,
418 new_dentry);
419}
David Howells82140442010-12-24 14:48:35 +0000420EXPORT_SYMBOL(security_path_rename);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900421
Tetsuo Handaea0d3ab2010-06-02 13:24:43 +0900422int security_path_truncate(struct path *path)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900423{
424 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
425 return 0;
Tetsuo Handaea0d3ab2010-06-02 13:24:43 +0900426 return security_ops->path_truncate(path);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900427}
Tetsuo Handa89eda062009-10-04 21:49:47 +0900428
Al Virocdcf1162011-12-08 10:51:53 -0500429int security_path_chmod(struct path *path, umode_t mode)
Tetsuo Handa89eda062009-10-04 21:49:47 +0900430{
Al Virocdcf1162011-12-08 10:51:53 -0500431 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
Tetsuo Handa89eda062009-10-04 21:49:47 +0900432 return 0;
Al Virocdcf1162011-12-08 10:51:53 -0500433 return security_ops->path_chmod(path, mode);
Tetsuo Handa89eda062009-10-04 21:49:47 +0900434}
435
436int security_path_chown(struct path *path, uid_t uid, gid_t gid)
437{
438 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
439 return 0;
440 return security_ops->path_chown(path, uid, gid);
441}
Tetsuo Handa8b8efb42009-10-04 21:49:48 +0900442
443int security_path_chroot(struct path *path)
444{
445 return security_ops->path_chroot(path);
446}
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900447#endif
448
Al Viro4acdaf22011-07-26 01:42:34 -0400449int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
James Morris20510f22007-10-16 23:31:32 -0700450{
451 if (unlikely(IS_PRIVATE(dir)))
452 return 0;
453 return security_ops->inode_create(dir, dentry, mode);
454}
David Howells800a9642009-04-03 16:42:40 +0100455EXPORT_SYMBOL_GPL(security_inode_create);
James Morris20510f22007-10-16 23:31:32 -0700456
457int security_inode_link(struct dentry *old_dentry, struct inode *dir,
458 struct dentry *new_dentry)
459{
460 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
461 return 0;
462 return security_ops->inode_link(old_dentry, dir, new_dentry);
463}
464
465int security_inode_unlink(struct inode *dir, struct dentry *dentry)
466{
467 if (unlikely(IS_PRIVATE(dentry->d_inode)))
468 return 0;
469 return security_ops->inode_unlink(dir, dentry);
470}
471
472int security_inode_symlink(struct inode *dir, struct dentry *dentry,
473 const char *old_name)
474{
475 if (unlikely(IS_PRIVATE(dir)))
476 return 0;
477 return security_ops->inode_symlink(dir, dentry, old_name);
478}
479
Al Viro18bb1db2011-07-26 01:41:39 -0400480int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
James Morris20510f22007-10-16 23:31:32 -0700481{
482 if (unlikely(IS_PRIVATE(dir)))
483 return 0;
484 return security_ops->inode_mkdir(dir, dentry, mode);
485}
David Howells800a9642009-04-03 16:42:40 +0100486EXPORT_SYMBOL_GPL(security_inode_mkdir);
James Morris20510f22007-10-16 23:31:32 -0700487
488int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
489{
490 if (unlikely(IS_PRIVATE(dentry->d_inode)))
491 return 0;
492 return security_ops->inode_rmdir(dir, dentry);
493}
494
Al Viro1a67aaf2011-07-26 01:52:52 -0400495int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
James Morris20510f22007-10-16 23:31:32 -0700496{
497 if (unlikely(IS_PRIVATE(dir)))
498 return 0;
499 return security_ops->inode_mknod(dir, dentry, mode, dev);
500}
501
502int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
503 struct inode *new_dir, struct dentry *new_dentry)
504{
505 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
506 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
507 return 0;
508 return security_ops->inode_rename(old_dir, old_dentry,
509 new_dir, new_dentry);
510}
511
512int security_inode_readlink(struct dentry *dentry)
513{
514 if (unlikely(IS_PRIVATE(dentry->d_inode)))
515 return 0;
516 return security_ops->inode_readlink(dentry);
517}
518
519int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
520{
521 if (unlikely(IS_PRIVATE(dentry->d_inode)))
522 return 0;
523 return security_ops->inode_follow_link(dentry, nd);
524}
525
Al Virob77b0642008-07-17 09:37:02 -0400526int security_inode_permission(struct inode *inode, int mask)
James Morris20510f22007-10-16 23:31:32 -0700527{
528 if (unlikely(IS_PRIVATE(inode)))
529 return 0;
Al Viroe74f71e2011-06-20 19:38:15 -0400530 return security_ops->inode_permission(inode, mask);
James Morris20510f22007-10-16 23:31:32 -0700531}
532
533int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
534{
Mimi Zohar817b54a2011-05-13 12:53:38 -0400535 int ret;
536
James Morris20510f22007-10-16 23:31:32 -0700537 if (unlikely(IS_PRIVATE(dentry->d_inode)))
538 return 0;
Mimi Zohar817b54a2011-05-13 12:53:38 -0400539 ret = security_ops->inode_setattr(dentry, attr);
540 if (ret)
541 return ret;
542 return evm_inode_setattr(dentry, attr);
James Morris20510f22007-10-16 23:31:32 -0700543}
Miklos Szeredib1da47e2008-07-01 15:01:28 +0200544EXPORT_SYMBOL_GPL(security_inode_setattr);
James Morris20510f22007-10-16 23:31:32 -0700545
546int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
547{
548 if (unlikely(IS_PRIVATE(dentry->d_inode)))
549 return 0;
550 return security_ops->inode_getattr(mnt, dentry);
551}
552
David Howells8f0cfa52008-04-29 00:59:41 -0700553int security_inode_setxattr(struct dentry *dentry, const char *name,
554 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700555{
Mimi Zohar3e1be522011-03-09 14:38:26 -0500556 int ret;
557
James Morris20510f22007-10-16 23:31:32 -0700558 if (unlikely(IS_PRIVATE(dentry->d_inode)))
559 return 0;
Mimi Zohar3e1be522011-03-09 14:38:26 -0500560 ret = security_ops->inode_setxattr(dentry, name, value, size, flags);
561 if (ret)
562 return ret;
563 return evm_inode_setxattr(dentry, name, value, size);
James Morris20510f22007-10-16 23:31:32 -0700564}
565
David Howells8f0cfa52008-04-29 00:59:41 -0700566void security_inode_post_setxattr(struct dentry *dentry, const char *name,
567 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700568{
569 if (unlikely(IS_PRIVATE(dentry->d_inode)))
570 return;
571 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
Mimi Zohar3e1be522011-03-09 14:38:26 -0500572 evm_inode_post_setxattr(dentry, name, value, size);
James Morris20510f22007-10-16 23:31:32 -0700573}
574
David Howells8f0cfa52008-04-29 00:59:41 -0700575int security_inode_getxattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700576{
577 if (unlikely(IS_PRIVATE(dentry->d_inode)))
578 return 0;
579 return security_ops->inode_getxattr(dentry, name);
580}
581
582int security_inode_listxattr(struct dentry *dentry)
583{
584 if (unlikely(IS_PRIVATE(dentry->d_inode)))
585 return 0;
586 return security_ops->inode_listxattr(dentry);
587}
588
David Howells8f0cfa52008-04-29 00:59:41 -0700589int security_inode_removexattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700590{
Mimi Zohar3e1be522011-03-09 14:38:26 -0500591 int ret;
592
James Morris20510f22007-10-16 23:31:32 -0700593 if (unlikely(IS_PRIVATE(dentry->d_inode)))
594 return 0;
Mimi Zohar3e1be522011-03-09 14:38:26 -0500595 ret = security_ops->inode_removexattr(dentry, name);
596 if (ret)
597 return ret;
598 return evm_inode_removexattr(dentry, name);
James Morris20510f22007-10-16 23:31:32 -0700599}
600
Serge E. Hallynb5376772007-10-16 23:31:36 -0700601int security_inode_need_killpriv(struct dentry *dentry)
602{
603 return security_ops->inode_need_killpriv(dentry);
604}
605
606int security_inode_killpriv(struct dentry *dentry)
607{
608 return security_ops->inode_killpriv(dentry);
609}
610
David P. Quigley42492592008-02-04 22:29:39 -0800611int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
James Morris20510f22007-10-16 23:31:32 -0700612{
613 if (unlikely(IS_PRIVATE(inode)))
James Morris8d952502010-01-14 09:33:28 +1100614 return -EOPNOTSUPP;
David P. Quigley42492592008-02-04 22:29:39 -0800615 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
James Morris20510f22007-10-16 23:31:32 -0700616}
617
618int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
619{
620 if (unlikely(IS_PRIVATE(inode)))
James Morris8d952502010-01-14 09:33:28 +1100621 return -EOPNOTSUPP;
James Morris20510f22007-10-16 23:31:32 -0700622 return security_ops->inode_setsecurity(inode, name, value, size, flags);
623}
624
625int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
626{
627 if (unlikely(IS_PRIVATE(inode)))
628 return 0;
629 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
630}
631
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200632void security_inode_getsecid(const struct inode *inode, u32 *secid)
633{
634 security_ops->inode_getsecid(inode, secid);
635}
636
James Morris20510f22007-10-16 23:31:32 -0700637int security_file_permission(struct file *file, int mask)
638{
Eric Parisc4ec54b2009-12-17 21:24:34 -0500639 int ret;
640
641 ret = security_ops->file_permission(file, mask);
642 if (ret)
643 return ret;
644
645 return fsnotify_perm(file, mask);
James Morris20510f22007-10-16 23:31:32 -0700646}
647
648int security_file_alloc(struct file *file)
649{
650 return security_ops->file_alloc_security(file);
651}
652
653void security_file_free(struct file *file)
654{
655 security_ops->file_free_security(file);
656}
657
658int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
659{
660 return security_ops->file_ioctl(file, cmd, arg);
661}
662
Al Viro8b3ec682012-05-30 17:11:23 -0400663int security_mmap_file(struct file *file, unsigned long prot,
664 unsigned long flags)
James Morris20510f22007-10-16 23:31:32 -0700665{
Al Viro8b3ec682012-05-30 17:11:23 -0400666 unsigned long reqprot = prot;
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400667 int ret;
Al Viro8b3ec682012-05-30 17:11:23 -0400668 /*
669 * Does the application expect PROT_READ to imply PROT_EXEC?
670 *
671 * (the exception is when the underlying filesystem is noexec
672 * mounted, in which case we dont add PROT_EXEC.)
673 */
674 if (!(reqprot & PROT_READ))
675 goto out;
676 if (!(current->personality & READ_IMPLIES_EXEC))
677 goto out;
678 if (!file) {
679 prot |= PROT_EXEC;
680 } else if (!(file->f_path.mnt->mnt_flags & MNT_NOEXEC)) {
681#ifndef CONFIG_MMU
682 unsigned long caps = 0;
683 struct address_space *mapping = file->f_mapping;
684 if (mapping && mapping->backing_dev_info)
685 caps = mapping->backing_dev_info->capabilities;
686 if (!(caps & BDI_CAP_EXEC_MAP))
687 goto out;
688#endif
689 prot |= PROT_EXEC;
690 }
691out:
Al Viroe5467852012-05-30 13:30:51 -0400692 ret = security_ops->mmap_file(file, reqprot, prot, flags);
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400693 if (ret)
694 return ret;
695 return ima_file_mmap(file, prot);
James Morris20510f22007-10-16 23:31:32 -0700696}
697
Al Viroe5467852012-05-30 13:30:51 -0400698int security_mmap_addr(unsigned long addr)
699{
700 return security_ops->mmap_addr(addr);
701}
702
James Morris20510f22007-10-16 23:31:32 -0700703int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
704 unsigned long prot)
705{
706 return security_ops->file_mprotect(vma, reqprot, prot);
707}
708
709int security_file_lock(struct file *file, unsigned int cmd)
710{
711 return security_ops->file_lock(file, cmd);
712}
713
714int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
715{
716 return security_ops->file_fcntl(file, cmd, arg);
717}
718
719int security_file_set_fowner(struct file *file)
720{
721 return security_ops->file_set_fowner(file);
722}
723
724int security_file_send_sigiotask(struct task_struct *tsk,
725 struct fown_struct *fown, int sig)
726{
727 return security_ops->file_send_sigiotask(tsk, fown, sig);
728}
729
730int security_file_receive(struct file *file)
731{
732 return security_ops->file_receive(file);
733}
734
Eric Paris83d49852012-04-04 13:45:40 -0400735int security_file_open(struct file *file, const struct cred *cred)
James Morris20510f22007-10-16 23:31:32 -0700736{
Eric Parisc4ec54b2009-12-17 21:24:34 -0500737 int ret;
738
Eric Paris83d49852012-04-04 13:45:40 -0400739 ret = security_ops->file_open(file, cred);
Eric Parisc4ec54b2009-12-17 21:24:34 -0500740 if (ret)
741 return ret;
742
743 return fsnotify_perm(file, MAY_OPEN);
James Morris20510f22007-10-16 23:31:32 -0700744}
745
746int security_task_create(unsigned long clone_flags)
747{
748 return security_ops->task_create(clone_flags);
749}
750
Kees Cook1a2a4d02011-12-21 12:17:03 -0800751void security_task_free(struct task_struct *task)
752{
753 security_ops->task_free(task);
754}
755
David Howellsee18d642009-09-02 09:14:21 +0100756int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
757{
758 return security_ops->cred_alloc_blank(cred, gfp);
759}
760
David Howellsf1752ee2008-11-14 10:39:17 +1100761void security_cred_free(struct cred *cred)
James Morris20510f22007-10-16 23:31:32 -0700762{
David Howellsf1752ee2008-11-14 10:39:17 +1100763 security_ops->cred_free(cred);
James Morris20510f22007-10-16 23:31:32 -0700764}
765
David Howellsd84f4f92008-11-14 10:39:23 +1100766int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
767{
768 return security_ops->cred_prepare(new, old, gfp);
769}
770
David Howellsee18d642009-09-02 09:14:21 +0100771void security_transfer_creds(struct cred *new, const struct cred *old)
772{
773 security_ops->cred_transfer(new, old);
774}
775
David Howells3a3b7ce2008-11-14 10:39:28 +1100776int security_kernel_act_as(struct cred *new, u32 secid)
777{
778 return security_ops->kernel_act_as(new, secid);
779}
780
781int security_kernel_create_files_as(struct cred *new, struct inode *inode)
782{
783 return security_ops->kernel_create_files_as(new, inode);
784}
785
Eric Parisdd8dbf22009-11-03 16:35:32 +1100786int security_kernel_module_request(char *kmod_name)
Eric Paris91884992009-08-13 09:44:57 -0400787{
Eric Parisdd8dbf22009-11-03 16:35:32 +1100788 return security_ops->kernel_module_request(kmod_name);
Eric Paris91884992009-08-13 09:44:57 -0400789}
790
David Howellsd84f4f92008-11-14 10:39:23 +1100791int security_task_fix_setuid(struct cred *new, const struct cred *old,
792 int flags)
James Morris20510f22007-10-16 23:31:32 -0700793{
David Howellsd84f4f92008-11-14 10:39:23 +1100794 return security_ops->task_fix_setuid(new, old, flags);
James Morris20510f22007-10-16 23:31:32 -0700795}
796
James Morris20510f22007-10-16 23:31:32 -0700797int security_task_setpgid(struct task_struct *p, pid_t pgid)
798{
799 return security_ops->task_setpgid(p, pgid);
800}
801
802int security_task_getpgid(struct task_struct *p)
803{
804 return security_ops->task_getpgid(p);
805}
806
807int security_task_getsid(struct task_struct *p)
808{
809 return security_ops->task_getsid(p);
810}
811
812void security_task_getsecid(struct task_struct *p, u32 *secid)
813{
814 security_ops->task_getsecid(p, secid);
815}
816EXPORT_SYMBOL(security_task_getsecid);
817
James Morris20510f22007-10-16 23:31:32 -0700818int security_task_setnice(struct task_struct *p, int nice)
819{
820 return security_ops->task_setnice(p, nice);
821}
822
823int security_task_setioprio(struct task_struct *p, int ioprio)
824{
825 return security_ops->task_setioprio(p, ioprio);
826}
827
828int security_task_getioprio(struct task_struct *p)
829{
830 return security_ops->task_getioprio(p);
831}
832
Jiri Slaby8fd00b42009-08-26 18:41:16 +0200833int security_task_setrlimit(struct task_struct *p, unsigned int resource,
834 struct rlimit *new_rlim)
James Morris20510f22007-10-16 23:31:32 -0700835{
Jiri Slaby8fd00b42009-08-26 18:41:16 +0200836 return security_ops->task_setrlimit(p, resource, new_rlim);
James Morris20510f22007-10-16 23:31:32 -0700837}
838
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +0900839int security_task_setscheduler(struct task_struct *p)
James Morris20510f22007-10-16 23:31:32 -0700840{
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +0900841 return security_ops->task_setscheduler(p);
James Morris20510f22007-10-16 23:31:32 -0700842}
843
844int security_task_getscheduler(struct task_struct *p)
845{
846 return security_ops->task_getscheduler(p);
847}
848
849int security_task_movememory(struct task_struct *p)
850{
851 return security_ops->task_movememory(p);
852}
853
854int security_task_kill(struct task_struct *p, struct siginfo *info,
855 int sig, u32 secid)
856{
857 return security_ops->task_kill(p, info, sig, secid);
858}
859
860int security_task_wait(struct task_struct *p)
861{
862 return security_ops->task_wait(p);
863}
864
865int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
David Howellsd84f4f92008-11-14 10:39:23 +1100866 unsigned long arg4, unsigned long arg5)
James Morris20510f22007-10-16 23:31:32 -0700867{
David Howellsd84f4f92008-11-14 10:39:23 +1100868 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
James Morris20510f22007-10-16 23:31:32 -0700869}
870
871void security_task_to_inode(struct task_struct *p, struct inode *inode)
872{
873 security_ops->task_to_inode(p, inode);
874}
875
876int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
877{
878 return security_ops->ipc_permission(ipcp, flag);
879}
880
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200881void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
882{
883 security_ops->ipc_getsecid(ipcp, secid);
884}
885
James Morris20510f22007-10-16 23:31:32 -0700886int security_msg_msg_alloc(struct msg_msg *msg)
887{
888 return security_ops->msg_msg_alloc_security(msg);
889}
890
891void security_msg_msg_free(struct msg_msg *msg)
892{
893 security_ops->msg_msg_free_security(msg);
894}
895
896int security_msg_queue_alloc(struct msg_queue *msq)
897{
898 return security_ops->msg_queue_alloc_security(msq);
899}
900
901void security_msg_queue_free(struct msg_queue *msq)
902{
903 security_ops->msg_queue_free_security(msq);
904}
905
906int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
907{
908 return security_ops->msg_queue_associate(msq, msqflg);
909}
910
911int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
912{
913 return security_ops->msg_queue_msgctl(msq, cmd);
914}
915
916int security_msg_queue_msgsnd(struct msg_queue *msq,
917 struct msg_msg *msg, int msqflg)
918{
919 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
920}
921
922int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
923 struct task_struct *target, long type, int mode)
924{
925 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
926}
927
928int security_shm_alloc(struct shmid_kernel *shp)
929{
930 return security_ops->shm_alloc_security(shp);
931}
932
933void security_shm_free(struct shmid_kernel *shp)
934{
935 security_ops->shm_free_security(shp);
936}
937
938int security_shm_associate(struct shmid_kernel *shp, int shmflg)
939{
940 return security_ops->shm_associate(shp, shmflg);
941}
942
943int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
944{
945 return security_ops->shm_shmctl(shp, cmd);
946}
947
948int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
949{
950 return security_ops->shm_shmat(shp, shmaddr, shmflg);
951}
952
953int security_sem_alloc(struct sem_array *sma)
954{
955 return security_ops->sem_alloc_security(sma);
956}
957
958void security_sem_free(struct sem_array *sma)
959{
960 security_ops->sem_free_security(sma);
961}
962
963int security_sem_associate(struct sem_array *sma, int semflg)
964{
965 return security_ops->sem_associate(sma, semflg);
966}
967
968int security_sem_semctl(struct sem_array *sma, int cmd)
969{
970 return security_ops->sem_semctl(sma, cmd);
971}
972
973int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
974 unsigned nsops, int alter)
975{
976 return security_ops->sem_semop(sma, sops, nsops, alter);
977}
978
979void security_d_instantiate(struct dentry *dentry, struct inode *inode)
980{
981 if (unlikely(inode && IS_PRIVATE(inode)))
982 return;
983 security_ops->d_instantiate(dentry, inode);
984}
985EXPORT_SYMBOL(security_d_instantiate);
986
987int security_getprocattr(struct task_struct *p, char *name, char **value)
988{
989 return security_ops->getprocattr(p, name, value);
990}
991
992int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
993{
994 return security_ops->setprocattr(p, name, value, size);
995}
996
997int security_netlink_send(struct sock *sk, struct sk_buff *skb)
998{
999 return security_ops->netlink_send(sk, skb);
1000}
James Morris20510f22007-10-16 23:31:32 -07001001
James Morris20510f22007-10-16 23:31:32 -07001002int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1003{
1004 return security_ops->secid_to_secctx(secid, secdata, seclen);
1005}
1006EXPORT_SYMBOL(security_secid_to_secctx);
1007
David Howells7bf570d2008-04-29 20:52:51 +01001008int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
David Howells63cb3442008-01-15 23:47:35 +00001009{
1010 return security_ops->secctx_to_secid(secdata, seclen, secid);
1011}
1012EXPORT_SYMBOL(security_secctx_to_secid);
1013
James Morris20510f22007-10-16 23:31:32 -07001014void security_release_secctx(char *secdata, u32 seclen)
1015{
James Morris65fc7662008-06-12 01:00:10 +10001016 security_ops->release_secctx(secdata, seclen);
James Morris20510f22007-10-16 23:31:32 -07001017}
1018EXPORT_SYMBOL(security_release_secctx);
1019
David P. Quigley1ee65e32009-09-03 14:25:57 -04001020int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1021{
1022 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
1023}
1024EXPORT_SYMBOL(security_inode_notifysecctx);
1025
1026int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1027{
1028 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1029}
1030EXPORT_SYMBOL(security_inode_setsecctx);
1031
1032int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1033{
1034 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1035}
1036EXPORT_SYMBOL(security_inode_getsecctx);
1037
James Morris20510f22007-10-16 23:31:32 -07001038#ifdef CONFIG_SECURITY_NETWORK
1039
David S. Miller3610cda2011-01-05 15:38:53 -08001040int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
James Morris20510f22007-10-16 23:31:32 -07001041{
1042 return security_ops->unix_stream_connect(sock, other, newsk);
1043}
1044EXPORT_SYMBOL(security_unix_stream_connect);
1045
1046int security_unix_may_send(struct socket *sock, struct socket *other)
1047{
1048 return security_ops->unix_may_send(sock, other);
1049}
1050EXPORT_SYMBOL(security_unix_may_send);
1051
1052int security_socket_create(int family, int type, int protocol, int kern)
1053{
1054 return security_ops->socket_create(family, type, protocol, kern);
1055}
1056
1057int security_socket_post_create(struct socket *sock, int family,
1058 int type, int protocol, int kern)
1059{
1060 return security_ops->socket_post_create(sock, family, type,
1061 protocol, kern);
1062}
1063
1064int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1065{
1066 return security_ops->socket_bind(sock, address, addrlen);
1067}
1068
1069int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1070{
1071 return security_ops->socket_connect(sock, address, addrlen);
1072}
1073
1074int security_socket_listen(struct socket *sock, int backlog)
1075{
1076 return security_ops->socket_listen(sock, backlog);
1077}
1078
1079int security_socket_accept(struct socket *sock, struct socket *newsock)
1080{
1081 return security_ops->socket_accept(sock, newsock);
1082}
1083
James Morris20510f22007-10-16 23:31:32 -07001084int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1085{
1086 return security_ops->socket_sendmsg(sock, msg, size);
1087}
1088
1089int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1090 int size, int flags)
1091{
1092 return security_ops->socket_recvmsg(sock, msg, size, flags);
1093}
1094
1095int security_socket_getsockname(struct socket *sock)
1096{
1097 return security_ops->socket_getsockname(sock);
1098}
1099
1100int security_socket_getpeername(struct socket *sock)
1101{
1102 return security_ops->socket_getpeername(sock);
1103}
1104
1105int security_socket_getsockopt(struct socket *sock, int level, int optname)
1106{
1107 return security_ops->socket_getsockopt(sock, level, optname);
1108}
1109
1110int security_socket_setsockopt(struct socket *sock, int level, int optname)
1111{
1112 return security_ops->socket_setsockopt(sock, level, optname);
1113}
1114
1115int security_socket_shutdown(struct socket *sock, int how)
1116{
1117 return security_ops->socket_shutdown(sock, how);
1118}
1119
1120int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1121{
1122 return security_ops->socket_sock_rcv_skb(sk, skb);
1123}
1124EXPORT_SYMBOL(security_sock_rcv_skb);
1125
1126int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1127 int __user *optlen, unsigned len)
1128{
1129 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1130}
1131
1132int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1133{
1134 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1135}
1136EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1137
1138int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1139{
1140 return security_ops->sk_alloc_security(sk, family, priority);
1141}
1142
1143void security_sk_free(struct sock *sk)
1144{
James Morris65fc7662008-06-12 01:00:10 +10001145 security_ops->sk_free_security(sk);
James Morris20510f22007-10-16 23:31:32 -07001146}
1147
1148void security_sk_clone(const struct sock *sk, struct sock *newsk)
1149{
James Morris65fc7662008-06-12 01:00:10 +10001150 security_ops->sk_clone_security(sk, newsk);
James Morris20510f22007-10-16 23:31:32 -07001151}
Paul Moore6230c9b2011-10-07 09:40:59 +00001152EXPORT_SYMBOL(security_sk_clone);
James Morris20510f22007-10-16 23:31:32 -07001153
1154void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1155{
David S. Miller1d28f422011-03-12 00:29:39 -05001156 security_ops->sk_getsecid(sk, &fl->flowi_secid);
James Morris20510f22007-10-16 23:31:32 -07001157}
1158EXPORT_SYMBOL(security_sk_classify_flow);
1159
1160void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1161{
1162 security_ops->req_classify_flow(req, fl);
1163}
1164EXPORT_SYMBOL(security_req_classify_flow);
1165
1166void security_sock_graft(struct sock *sk, struct socket *parent)
1167{
1168 security_ops->sock_graft(sk, parent);
1169}
1170EXPORT_SYMBOL(security_sock_graft);
1171
1172int security_inet_conn_request(struct sock *sk,
1173 struct sk_buff *skb, struct request_sock *req)
1174{
1175 return security_ops->inet_conn_request(sk, skb, req);
1176}
1177EXPORT_SYMBOL(security_inet_conn_request);
1178
1179void security_inet_csk_clone(struct sock *newsk,
1180 const struct request_sock *req)
1181{
1182 security_ops->inet_csk_clone(newsk, req);
1183}
1184
1185void security_inet_conn_established(struct sock *sk,
1186 struct sk_buff *skb)
1187{
1188 security_ops->inet_conn_established(sk, skb);
1189}
1190
Eric Paris2606fd12010-10-13 16:24:41 -04001191int security_secmark_relabel_packet(u32 secid)
1192{
1193 return security_ops->secmark_relabel_packet(secid);
1194}
1195EXPORT_SYMBOL(security_secmark_relabel_packet);
1196
1197void security_secmark_refcount_inc(void)
1198{
1199 security_ops->secmark_refcount_inc();
1200}
1201EXPORT_SYMBOL(security_secmark_refcount_inc);
1202
1203void security_secmark_refcount_dec(void)
1204{
1205 security_ops->secmark_refcount_dec();
1206}
1207EXPORT_SYMBOL(security_secmark_refcount_dec);
1208
Paul Moore2b980db2009-08-28 18:12:43 -04001209int security_tun_dev_create(void)
1210{
1211 return security_ops->tun_dev_create();
1212}
1213EXPORT_SYMBOL(security_tun_dev_create);
1214
1215void security_tun_dev_post_create(struct sock *sk)
1216{
1217 return security_ops->tun_dev_post_create(sk);
1218}
1219EXPORT_SYMBOL(security_tun_dev_post_create);
1220
1221int security_tun_dev_attach(struct sock *sk)
1222{
1223 return security_ops->tun_dev_attach(sk);
1224}
1225EXPORT_SYMBOL(security_tun_dev_attach);
1226
James Morris20510f22007-10-16 23:31:32 -07001227#endif /* CONFIG_SECURITY_NETWORK */
1228
1229#ifdef CONFIG_SECURITY_NETWORK_XFRM
1230
Paul Moore03e1ad72008-04-12 19:07:52 -07001231int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
James Morris20510f22007-10-16 23:31:32 -07001232{
Paul Moore03e1ad72008-04-12 19:07:52 -07001233 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
James Morris20510f22007-10-16 23:31:32 -07001234}
1235EXPORT_SYMBOL(security_xfrm_policy_alloc);
1236
Paul Moore03e1ad72008-04-12 19:07:52 -07001237int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1238 struct xfrm_sec_ctx **new_ctxp)
James Morris20510f22007-10-16 23:31:32 -07001239{
Paul Moore03e1ad72008-04-12 19:07:52 -07001240 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
James Morris20510f22007-10-16 23:31:32 -07001241}
1242
Paul Moore03e1ad72008-04-12 19:07:52 -07001243void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001244{
Paul Moore03e1ad72008-04-12 19:07:52 -07001245 security_ops->xfrm_policy_free_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001246}
1247EXPORT_SYMBOL(security_xfrm_policy_free);
1248
Paul Moore03e1ad72008-04-12 19:07:52 -07001249int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001250{
Paul Moore03e1ad72008-04-12 19:07:52 -07001251 return security_ops->xfrm_policy_delete_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001252}
1253
1254int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1255{
1256 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1257}
1258EXPORT_SYMBOL(security_xfrm_state_alloc);
1259
1260int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1261 struct xfrm_sec_ctx *polsec, u32 secid)
1262{
1263 if (!polsec)
1264 return 0;
1265 /*
1266 * We want the context to be taken from secid which is usually
1267 * from the sock.
1268 */
1269 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1270}
1271
1272int security_xfrm_state_delete(struct xfrm_state *x)
1273{
1274 return security_ops->xfrm_state_delete_security(x);
1275}
1276EXPORT_SYMBOL(security_xfrm_state_delete);
1277
1278void security_xfrm_state_free(struct xfrm_state *x)
1279{
1280 security_ops->xfrm_state_free_security(x);
1281}
1282
Paul Moore03e1ad72008-04-12 19:07:52 -07001283int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
James Morris20510f22007-10-16 23:31:32 -07001284{
Paul Moore03e1ad72008-04-12 19:07:52 -07001285 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
James Morris20510f22007-10-16 23:31:32 -07001286}
1287
1288int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
David S. Millere33f7702011-02-22 18:13:15 -08001289 struct xfrm_policy *xp,
1290 const struct flowi *fl)
James Morris20510f22007-10-16 23:31:32 -07001291{
1292 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1293}
1294
1295int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1296{
1297 return security_ops->xfrm_decode_session(skb, secid, 1);
1298}
1299
1300void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1301{
David S. Miller1d28f422011-03-12 00:29:39 -05001302 int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
James Morris20510f22007-10-16 23:31:32 -07001303
1304 BUG_ON(rc);
1305}
1306EXPORT_SYMBOL(security_skb_classify_flow);
1307
1308#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1309
1310#ifdef CONFIG_KEYS
1311
David Howellsd84f4f92008-11-14 10:39:23 +11001312int security_key_alloc(struct key *key, const struct cred *cred,
1313 unsigned long flags)
James Morris20510f22007-10-16 23:31:32 -07001314{
David Howellsd84f4f92008-11-14 10:39:23 +11001315 return security_ops->key_alloc(key, cred, flags);
James Morris20510f22007-10-16 23:31:32 -07001316}
1317
1318void security_key_free(struct key *key)
1319{
1320 security_ops->key_free(key);
1321}
1322
1323int security_key_permission(key_ref_t key_ref,
David Howellsd84f4f92008-11-14 10:39:23 +11001324 const struct cred *cred, key_perm_t perm)
James Morris20510f22007-10-16 23:31:32 -07001325{
David Howellsd84f4f92008-11-14 10:39:23 +11001326 return security_ops->key_permission(key_ref, cred, perm);
James Morris20510f22007-10-16 23:31:32 -07001327}
1328
David Howells70a5bb72008-04-29 01:01:26 -07001329int security_key_getsecurity(struct key *key, char **_buffer)
1330{
1331 return security_ops->key_getsecurity(key, _buffer);
1332}
1333
James Morris20510f22007-10-16 23:31:32 -07001334#endif /* CONFIG_KEYS */
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001335
1336#ifdef CONFIG_AUDIT
1337
1338int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1339{
1340 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1341}
1342
1343int security_audit_rule_known(struct audit_krule *krule)
1344{
1345 return security_ops->audit_rule_known(krule);
1346}
1347
1348void security_audit_rule_free(void *lsmrule)
1349{
1350 security_ops->audit_rule_free(lsmrule);
1351}
1352
1353int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1354 struct audit_context *actx)
1355{
1356 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1357}
1358
1359#endif /* CONFIG_AUDIT */