blob: e2f684aeb70c152a61038c0d2d19525774144d59 [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>
Linus Torvalds1da177e2005-04-16 15:20:36 -070022
Mimi Zohar823eb1c2011-06-15 21:19:10 -040023#define MAX_LSM_EVM_XATTR 2
Linus Torvalds1da177e2005-04-16 15:20:36 -070024
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020025/* Boot-time LSM user choice */
John Johansen6e65f922009-11-05 17:03:20 -080026static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
27 CONFIG_DEFAULT_SECURITY;
Linus Torvalds1da177e2005-04-16 15:20:36 -070028
wzt.wzt@gmail.com189b3b12010-02-23 23:15:28 +080029static struct security_operations *security_ops;
30static struct security_operations default_security_ops = {
31 .name = "default",
32};
Eric Parisa5ecbcb2008-01-31 15:11:22 -050033
Tetsuo Handac80901f2010-05-14 12:01:26 +090034static inline int __init verify(struct security_operations *ops)
Linus Torvalds1da177e2005-04-16 15:20:36 -070035{
36 /* verify the security_operations structure exists */
37 if (!ops)
38 return -EINVAL;
39 security_fixup_ops(ops);
40 return 0;
41}
42
43static void __init do_security_initcalls(void)
44{
45 initcall_t *call;
46 call = __security_initcall_start;
47 while (call < __security_initcall_end) {
48 (*call) ();
49 call++;
50 }
51}
52
53/**
54 * security_init - initializes the security framework
55 *
56 * This should be called early in the kernel initialization sequence.
57 */
58int __init security_init(void)
59{
James Morris20510f22007-10-16 23:31:32 -070060 printk(KERN_INFO "Security Framework initialized\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070061
Miklos Szeredi5915eb52008-07-03 20:56:05 +020062 security_fixup_ops(&default_security_ops);
63 security_ops = &default_security_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070064 do_security_initcalls();
65
66 return 0;
67}
68
wzt.wzt@gmail.com189b3b12010-02-23 23:15:28 +080069void reset_security_ops(void)
70{
71 security_ops = &default_security_ops;
72}
73
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020074/* Save user chosen LSM */
75static int __init choose_lsm(char *str)
76{
77 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
78 return 1;
79}
80__setup("security=", choose_lsm);
81
82/**
83 * security_module_enable - Load given security module on boot ?
84 * @ops: a pointer to the struct security_operations that is to be checked.
85 *
86 * Each LSM must pass this method before registering its own operations
87 * to avoid security registration races. This method may also be used
James Morris7cea51b2008-03-07 12:23:49 +110088 * to check if your LSM is currently loaded during kernel initialization.
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020089 *
90 * Return true if:
91 * -The passed LSM is the one chosen by user at boot time,
John Johansen6e65f922009-11-05 17:03:20 -080092 * -or the passed LSM is configured as the default and the user did not
Tetsuo Handa065d78a2010-08-28 14:58:44 +090093 * choose an alternate LSM at boot time.
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020094 * Otherwise, return false.
95 */
96int __init security_module_enable(struct security_operations *ops)
97{
Tetsuo Handa065d78a2010-08-28 14:58:44 +090098 return !strcmp(ops->name, chosen_lsm);
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020099}
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 */
wzt.wzt@gmail.comc1e992b2010-02-26 22:49:55 +0800113int __init register_security(struct security_operations *ops)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114{
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
Serge E. Hallyn34867402011-03-23 16:43:17 -0700158int security_capable(struct user_namespace *ns, const struct cred *cred,
159 int cap)
James Morris20510f22007-10-16 23:31:32 -0700160{
Serge E. Hallyn34867402011-03-23 16:43:17 -0700161 return security_ops->capable(current, cred, ns, cap,
162 SECURITY_CAP_AUDIT);
Eric Paris06112162008-11-11 22:02:50 +1100163}
164
Serge E. Hallyn34867402011-03-23 16:43:17 -0700165int security_real_capable(struct task_struct *tsk, struct user_namespace *ns,
166 int cap)
Eric Paris06112162008-11-11 22:02:50 +1100167{
David Howells3699c532009-01-06 22:27:01 +0000168 const struct cred *cred;
169 int ret;
170
171 cred = get_task_cred(tsk);
Serge E. Hallyn34867402011-03-23 16:43:17 -0700172 ret = security_ops->capable(tsk, cred, ns, cap, SECURITY_CAP_AUDIT);
David Howells3699c532009-01-06 22:27:01 +0000173 put_cred(cred);
174 return ret;
175}
176
Serge E. Hallyn34867402011-03-23 16:43:17 -0700177int security_real_capable_noaudit(struct task_struct *tsk,
178 struct user_namespace *ns, int cap)
David Howells3699c532009-01-06 22:27:01 +0000179{
180 const struct cred *cred;
181 int ret;
182
183 cred = get_task_cred(tsk);
Serge E. Hallyn34867402011-03-23 16:43:17 -0700184 ret = security_ops->capable(tsk, cred, ns, cap, SECURITY_CAP_NOAUDIT);
David Howells3699c532009-01-06 22:27:01 +0000185 put_cred(cred);
186 return ret;
James Morris20510f22007-10-16 23:31:32 -0700187}
188
James Morris20510f22007-10-16 23:31:32 -0700189int security_quotactl(int cmds, int type, int id, struct super_block *sb)
190{
191 return security_ops->quotactl(cmds, type, id, sb);
192}
193
194int security_quota_on(struct dentry *dentry)
195{
196 return security_ops->quota_on(dentry);
197}
198
Eric Paris12b30522010-11-15 18:36:29 -0500199int security_syslog(int type)
James Morris20510f22007-10-16 23:31:32 -0700200{
Eric Paris12b30522010-11-15 18:36:29 -0500201 return security_ops->syslog(type);
James Morris20510f22007-10-16 23:31:32 -0700202}
203
Richard Cochran1e6d7672011-02-01 13:50:58 +0000204int security_settime(const struct timespec *ts, const struct timezone *tz)
James Morris20510f22007-10-16 23:31:32 -0700205{
206 return security_ops->settime(ts, tz);
207}
208
209int security_vm_enough_memory(long pages)
210{
Alan Cox731572d2008-10-29 14:01:20 -0700211 WARN_ON(current->mm == NULL);
James Morris20510f22007-10-16 23:31:32 -0700212 return security_ops->vm_enough_memory(current->mm, pages);
213}
214
215int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
216{
Alan Cox731572d2008-10-29 14:01:20 -0700217 WARN_ON(mm == NULL);
James Morris20510f22007-10-16 23:31:32 -0700218 return security_ops->vm_enough_memory(mm, pages);
219}
220
Alan Cox731572d2008-10-29 14:01:20 -0700221int security_vm_enough_memory_kern(long pages)
222{
223 /* If current->mm is a kernel thread then we will pass NULL,
224 for this specific case that is fine */
225 return security_ops->vm_enough_memory(current->mm, pages);
226}
227
David Howellsa6f76f22008-11-14 10:39:24 +1100228int security_bprm_set_creds(struct linux_binprm *bprm)
James Morris20510f22007-10-16 23:31:32 -0700229{
David Howellsa6f76f22008-11-14 10:39:24 +1100230 return security_ops->bprm_set_creds(bprm);
James Morris20510f22007-10-16 23:31:32 -0700231}
232
233int security_bprm_check(struct linux_binprm *bprm)
234{
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400235 int ret;
236
237 ret = security_ops->bprm_check_security(bprm);
238 if (ret)
239 return ret;
240 return ima_bprm_check(bprm);
James Morris20510f22007-10-16 23:31:32 -0700241}
242
David Howellsa6f76f22008-11-14 10:39:24 +1100243void security_bprm_committing_creds(struct linux_binprm *bprm)
244{
Hannes Eder200036c2008-11-24 22:14:43 +0100245 security_ops->bprm_committing_creds(bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100246}
247
248void security_bprm_committed_creds(struct linux_binprm *bprm)
249{
Hannes Eder200036c2008-11-24 22:14:43 +0100250 security_ops->bprm_committed_creds(bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100251}
252
James Morris20510f22007-10-16 23:31:32 -0700253int security_bprm_secureexec(struct linux_binprm *bprm)
254{
255 return security_ops->bprm_secureexec(bprm);
256}
257
258int security_sb_alloc(struct super_block *sb)
259{
260 return security_ops->sb_alloc_security(sb);
261}
262
263void security_sb_free(struct super_block *sb)
264{
265 security_ops->sb_free_security(sb);
266}
267
Eric Parise0007522008-03-05 10:31:54 -0500268int security_sb_copy_data(char *orig, char *copy)
James Morris20510f22007-10-16 23:31:32 -0700269{
Eric Parise0007522008-03-05 10:31:54 -0500270 return security_ops->sb_copy_data(orig, copy);
James Morris20510f22007-10-16 23:31:32 -0700271}
Eric Parise0007522008-03-05 10:31:54 -0500272EXPORT_SYMBOL(security_sb_copy_data);
James Morris20510f22007-10-16 23:31:32 -0700273
Eric Parisff36fe22011-03-03 16:09:14 -0500274int security_sb_remount(struct super_block *sb, void *data)
275{
276 return security_ops->sb_remount(sb, data);
277}
278
James Morris12204e22008-12-19 10:44:42 +1100279int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
James Morris20510f22007-10-16 23:31:32 -0700280{
James Morris12204e22008-12-19 10:44:42 +1100281 return security_ops->sb_kern_mount(sb, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700282}
283
Eric Paris2069f452008-07-04 09:47:13 +1000284int security_sb_show_options(struct seq_file *m, struct super_block *sb)
285{
286 return security_ops->sb_show_options(m, sb);
287}
288
James Morris20510f22007-10-16 23:31:32 -0700289int security_sb_statfs(struct dentry *dentry)
290{
291 return security_ops->sb_statfs(dentry);
292}
293
Al Virob5266eb2008-03-22 17:48:24 -0400294int security_sb_mount(char *dev_name, struct path *path,
James Morris20510f22007-10-16 23:31:32 -0700295 char *type, unsigned long flags, void *data)
296{
Al Virob5266eb2008-03-22 17:48:24 -0400297 return security_ops->sb_mount(dev_name, path, type, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700298}
299
James Morris20510f22007-10-16 23:31:32 -0700300int security_sb_umount(struct vfsmount *mnt, int flags)
301{
302 return security_ops->sb_umount(mnt, flags);
303}
304
Al Virob5266eb2008-03-22 17:48:24 -0400305int security_sb_pivotroot(struct path *old_path, struct path *new_path)
James Morris20510f22007-10-16 23:31:32 -0700306{
Al Virob5266eb2008-03-22 17:48:24 -0400307 return security_ops->sb_pivotroot(old_path, new_path);
James Morris20510f22007-10-16 23:31:32 -0700308}
309
Eric Parisc9180a52007-11-30 13:00:35 -0500310int security_sb_set_mnt_opts(struct super_block *sb,
Eric Parise0007522008-03-05 10:31:54 -0500311 struct security_mnt_opts *opts)
Eric Parisc9180a52007-11-30 13:00:35 -0500312{
Eric Parise0007522008-03-05 10:31:54 -0500313 return security_ops->sb_set_mnt_opts(sb, opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500314}
Eric Parise0007522008-03-05 10:31:54 -0500315EXPORT_SYMBOL(security_sb_set_mnt_opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500316
317void security_sb_clone_mnt_opts(const struct super_block *oldsb,
318 struct super_block *newsb)
319{
320 security_ops->sb_clone_mnt_opts(oldsb, newsb);
321}
Eric Parise0007522008-03-05 10:31:54 -0500322EXPORT_SYMBOL(security_sb_clone_mnt_opts);
323
324int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
325{
326 return security_ops->sb_parse_opts_str(options, opts);
327}
328EXPORT_SYMBOL(security_sb_parse_opts_str);
Eric Parisc9180a52007-11-30 13:00:35 -0500329
James Morris20510f22007-10-16 23:31:32 -0700330int security_inode_alloc(struct inode *inode)
331{
332 inode->i_security = NULL;
Eric Parisbc7d2a32010-10-25 14:42:05 -0400333 return security_ops->inode_alloc_security(inode);
James Morris20510f22007-10-16 23:31:32 -0700334}
335
336void security_inode_free(struct inode *inode)
337{
Mimi Zoharf381c272011-03-09 14:13:22 -0500338 integrity_inode_free(inode);
James Morris20510f22007-10-16 23:31:32 -0700339 security_ops->inode_free_security(inode);
340}
341
342int security_inode_init_security(struct inode *inode, struct inode *dir,
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400343 const struct qstr *qstr,
344 const initxattrs initxattrs, void *fs_data)
345{
Mimi Zohar823eb1c2011-06-15 21:19:10 -0400346 struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
347 struct xattr *lsm_xattr, *evm_xattr, *xattr;
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400348 int ret;
349
350 if (unlikely(IS_PRIVATE(inode)))
Mimi Zoharfb88c2b2011-08-15 10:13:18 -0400351 return 0;
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400352
353 memset(new_xattrs, 0, sizeof new_xattrs);
354 if (!initxattrs)
355 return security_ops->inode_init_security(inode, dir, qstr,
356 NULL, NULL, NULL);
357 lsm_xattr = new_xattrs;
358 ret = security_ops->inode_init_security(inode, dir, qstr,
359 &lsm_xattr->name,
360 &lsm_xattr->value,
361 &lsm_xattr->value_len);
362 if (ret)
363 goto out;
Mimi Zohar823eb1c2011-06-15 21:19:10 -0400364
365 evm_xattr = lsm_xattr + 1;
366 ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
367 if (ret)
368 goto out;
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400369 ret = initxattrs(inode, new_xattrs, fs_data);
370out:
Mimi Zohar823eb1c2011-06-15 21:19:10 -0400371 for (xattr = new_xattrs; xattr->name != NULL; xattr++) {
372 kfree(xattr->name);
373 kfree(xattr->value);
374 }
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400375 return (ret == -EOPNOTSUPP) ? 0 : ret;
376}
377EXPORT_SYMBOL(security_inode_init_security);
378
379int security_old_inode_init_security(struct inode *inode, struct inode *dir,
380 const struct qstr *qstr, char **name,
381 void **value, size_t *len)
James Morris20510f22007-10-16 23:31:32 -0700382{
383 if (unlikely(IS_PRIVATE(inode)))
Jan Kara30e05322012-01-03 13:14:29 +0100384 return -EOPNOTSUPP;
Eric Paris2a7dba32011-02-01 11:05:39 -0500385 return security_ops->inode_init_security(inode, dir, qstr, name, value,
386 len);
James Morris20510f22007-10-16 23:31:32 -0700387}
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400388EXPORT_SYMBOL(security_old_inode_init_security);
James Morris20510f22007-10-16 23:31:32 -0700389
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900390#ifdef CONFIG_SECURITY_PATH
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900391int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900392 unsigned int dev)
393{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900394 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900395 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900396 return security_ops->path_mknod(dir, dentry, mode, dev);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900397}
398EXPORT_SYMBOL(security_path_mknod);
399
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900400int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900401{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900402 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900403 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900404 return security_ops->path_mkdir(dir, dentry, mode);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900405}
David Howells82140442010-12-24 14:48:35 +0000406EXPORT_SYMBOL(security_path_mkdir);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900407
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}
David Howells82140442010-12-24 14:48:35 +0000421EXPORT_SYMBOL(security_path_unlink);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900422
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900423int security_path_symlink(struct path *dir, struct dentry *dentry,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900424 const char *old_name)
425{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900426 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900427 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900428 return security_ops->path_symlink(dir, dentry, old_name);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900429}
430
431int security_path_link(struct dentry *old_dentry, struct path *new_dir,
432 struct dentry *new_dentry)
433{
434 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
435 return 0;
436 return security_ops->path_link(old_dentry, new_dir, new_dentry);
437}
438
439int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
440 struct path *new_dir, struct dentry *new_dentry)
441{
442 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
443 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
444 return 0;
445 return security_ops->path_rename(old_dir, old_dentry, new_dir,
446 new_dentry);
447}
David Howells82140442010-12-24 14:48:35 +0000448EXPORT_SYMBOL(security_path_rename);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900449
Tetsuo Handaea0d3ab2010-06-02 13:24:43 +0900450int security_path_truncate(struct path *path)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900451{
452 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
453 return 0;
Tetsuo Handaea0d3ab2010-06-02 13:24:43 +0900454 return security_ops->path_truncate(path);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900455}
Tetsuo Handa89eda062009-10-04 21:49:47 +0900456
457int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
458 mode_t mode)
459{
460 if (unlikely(IS_PRIVATE(dentry->d_inode)))
461 return 0;
462 return security_ops->path_chmod(dentry, mnt, mode);
463}
464
465int security_path_chown(struct path *path, uid_t uid, gid_t gid)
466{
467 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
468 return 0;
469 return security_ops->path_chown(path, uid, gid);
470}
Tetsuo Handa8b8efb42009-10-04 21:49:48 +0900471
472int security_path_chroot(struct path *path)
473{
474 return security_ops->path_chroot(path);
475}
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900476#endif
477
James Morris20510f22007-10-16 23:31:32 -0700478int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
479{
480 if (unlikely(IS_PRIVATE(dir)))
481 return 0;
482 return security_ops->inode_create(dir, dentry, mode);
483}
David Howells800a9642009-04-03 16:42:40 +0100484EXPORT_SYMBOL_GPL(security_inode_create);
James Morris20510f22007-10-16 23:31:32 -0700485
486int security_inode_link(struct dentry *old_dentry, struct inode *dir,
487 struct dentry *new_dentry)
488{
489 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
490 return 0;
491 return security_ops->inode_link(old_dentry, dir, new_dentry);
492}
493
494int security_inode_unlink(struct inode *dir, struct dentry *dentry)
495{
496 if (unlikely(IS_PRIVATE(dentry->d_inode)))
497 return 0;
498 return security_ops->inode_unlink(dir, dentry);
499}
500
501int security_inode_symlink(struct inode *dir, struct dentry *dentry,
502 const char *old_name)
503{
504 if (unlikely(IS_PRIVATE(dir)))
505 return 0;
506 return security_ops->inode_symlink(dir, dentry, old_name);
507}
508
509int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
510{
511 if (unlikely(IS_PRIVATE(dir)))
512 return 0;
513 return security_ops->inode_mkdir(dir, dentry, mode);
514}
David Howells800a9642009-04-03 16:42:40 +0100515EXPORT_SYMBOL_GPL(security_inode_mkdir);
James Morris20510f22007-10-16 23:31:32 -0700516
517int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
518{
519 if (unlikely(IS_PRIVATE(dentry->d_inode)))
520 return 0;
521 return security_ops->inode_rmdir(dir, dentry);
522}
523
524int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
525{
526 if (unlikely(IS_PRIVATE(dir)))
527 return 0;
528 return security_ops->inode_mknod(dir, dentry, mode, dev);
529}
530
531int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
532 struct inode *new_dir, struct dentry *new_dentry)
533{
534 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
535 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
536 return 0;
537 return security_ops->inode_rename(old_dir, old_dentry,
538 new_dir, new_dentry);
539}
540
541int security_inode_readlink(struct dentry *dentry)
542{
543 if (unlikely(IS_PRIVATE(dentry->d_inode)))
544 return 0;
545 return security_ops->inode_readlink(dentry);
546}
547
548int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
549{
550 if (unlikely(IS_PRIVATE(dentry->d_inode)))
551 return 0;
552 return security_ops->inode_follow_link(dentry, nd);
553}
554
Al Virob77b0642008-07-17 09:37:02 -0400555int security_inode_permission(struct inode *inode, int mask)
James Morris20510f22007-10-16 23:31:32 -0700556{
557 if (unlikely(IS_PRIVATE(inode)))
558 return 0;
Al Viroe74f71e2011-06-20 19:38:15 -0400559 return security_ops->inode_permission(inode, mask);
James Morris20510f22007-10-16 23:31:32 -0700560}
561
562int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
563{
Mimi Zohar817b54a2011-05-13 12:53:38 -0400564 int ret;
565
James Morris20510f22007-10-16 23:31:32 -0700566 if (unlikely(IS_PRIVATE(dentry->d_inode)))
567 return 0;
Mimi Zohar817b54a2011-05-13 12:53:38 -0400568 ret = security_ops->inode_setattr(dentry, attr);
569 if (ret)
570 return ret;
571 return evm_inode_setattr(dentry, attr);
James Morris20510f22007-10-16 23:31:32 -0700572}
Miklos Szeredib1da47e2008-07-01 15:01:28 +0200573EXPORT_SYMBOL_GPL(security_inode_setattr);
James Morris20510f22007-10-16 23:31:32 -0700574
575int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
576{
577 if (unlikely(IS_PRIVATE(dentry->d_inode)))
578 return 0;
579 return security_ops->inode_getattr(mnt, dentry);
580}
581
David Howells8f0cfa52008-04-29 00:59:41 -0700582int security_inode_setxattr(struct dentry *dentry, const char *name,
583 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700584{
Mimi Zohar3e1be522011-03-09 14:38:26 -0500585 int ret;
586
James Morris20510f22007-10-16 23:31:32 -0700587 if (unlikely(IS_PRIVATE(dentry->d_inode)))
588 return 0;
Mimi Zohar3e1be522011-03-09 14:38:26 -0500589 ret = security_ops->inode_setxattr(dentry, name, value, size, flags);
590 if (ret)
591 return ret;
592 return evm_inode_setxattr(dentry, name, value, size);
James Morris20510f22007-10-16 23:31:32 -0700593}
594
David Howells8f0cfa52008-04-29 00:59:41 -0700595void security_inode_post_setxattr(struct dentry *dentry, const char *name,
596 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700597{
598 if (unlikely(IS_PRIVATE(dentry->d_inode)))
599 return;
600 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
Mimi Zohar3e1be522011-03-09 14:38:26 -0500601 evm_inode_post_setxattr(dentry, name, value, size);
James Morris20510f22007-10-16 23:31:32 -0700602}
603
David Howells8f0cfa52008-04-29 00:59:41 -0700604int security_inode_getxattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700605{
606 if (unlikely(IS_PRIVATE(dentry->d_inode)))
607 return 0;
608 return security_ops->inode_getxattr(dentry, name);
609}
610
611int security_inode_listxattr(struct dentry *dentry)
612{
613 if (unlikely(IS_PRIVATE(dentry->d_inode)))
614 return 0;
615 return security_ops->inode_listxattr(dentry);
616}
617
David Howells8f0cfa52008-04-29 00:59:41 -0700618int security_inode_removexattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700619{
Mimi Zohar3e1be522011-03-09 14:38:26 -0500620 int ret;
621
James Morris20510f22007-10-16 23:31:32 -0700622 if (unlikely(IS_PRIVATE(dentry->d_inode)))
623 return 0;
Mimi Zohar3e1be522011-03-09 14:38:26 -0500624 ret = security_ops->inode_removexattr(dentry, name);
625 if (ret)
626 return ret;
627 return evm_inode_removexattr(dentry, name);
James Morris20510f22007-10-16 23:31:32 -0700628}
629
Serge E. Hallynb5376772007-10-16 23:31:36 -0700630int security_inode_need_killpriv(struct dentry *dentry)
631{
632 return security_ops->inode_need_killpriv(dentry);
633}
634
635int security_inode_killpriv(struct dentry *dentry)
636{
637 return security_ops->inode_killpriv(dentry);
638}
639
David P. Quigley42492592008-02-04 22:29:39 -0800640int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
James Morris20510f22007-10-16 23:31:32 -0700641{
642 if (unlikely(IS_PRIVATE(inode)))
James Morris8d952502010-01-14 09:33:28 +1100643 return -EOPNOTSUPP;
David P. Quigley42492592008-02-04 22:29:39 -0800644 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
James Morris20510f22007-10-16 23:31:32 -0700645}
646
647int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
648{
649 if (unlikely(IS_PRIVATE(inode)))
James Morris8d952502010-01-14 09:33:28 +1100650 return -EOPNOTSUPP;
James Morris20510f22007-10-16 23:31:32 -0700651 return security_ops->inode_setsecurity(inode, name, value, size, flags);
652}
653
654int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
655{
656 if (unlikely(IS_PRIVATE(inode)))
657 return 0;
658 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
659}
660
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200661void security_inode_getsecid(const struct inode *inode, u32 *secid)
662{
663 security_ops->inode_getsecid(inode, secid);
664}
665
James Morris20510f22007-10-16 23:31:32 -0700666int security_file_permission(struct file *file, int mask)
667{
Eric Parisc4ec54b2009-12-17 21:24:34 -0500668 int ret;
669
670 ret = security_ops->file_permission(file, mask);
671 if (ret)
672 return ret;
673
674 return fsnotify_perm(file, mask);
James Morris20510f22007-10-16 23:31:32 -0700675}
676
677int security_file_alloc(struct file *file)
678{
679 return security_ops->file_alloc_security(file);
680}
681
682void security_file_free(struct file *file)
683{
684 security_ops->file_free_security(file);
685}
686
687int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
688{
689 return security_ops->file_ioctl(file, cmd, arg);
690}
691
692int security_file_mmap(struct file *file, unsigned long reqprot,
693 unsigned long prot, unsigned long flags,
694 unsigned long addr, unsigned long addr_only)
695{
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400696 int ret;
697
698 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
699 if (ret)
700 return ret;
701 return ima_file_mmap(file, prot);
James Morris20510f22007-10-16 23:31:32 -0700702}
703
704int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
705 unsigned long prot)
706{
707 return security_ops->file_mprotect(vma, reqprot, prot);
708}
709
710int security_file_lock(struct file *file, unsigned int cmd)
711{
712 return security_ops->file_lock(file, cmd);
713}
714
715int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
716{
717 return security_ops->file_fcntl(file, cmd, arg);
718}
719
720int security_file_set_fowner(struct file *file)
721{
722 return security_ops->file_set_fowner(file);
723}
724
725int security_file_send_sigiotask(struct task_struct *tsk,
726 struct fown_struct *fown, int sig)
727{
728 return security_ops->file_send_sigiotask(tsk, fown, sig);
729}
730
731int security_file_receive(struct file *file)
732{
733 return security_ops->file_receive(file);
734}
735
David Howells745ca242008-11-14 10:39:22 +1100736int security_dentry_open(struct file *file, const struct cred *cred)
James Morris20510f22007-10-16 23:31:32 -0700737{
Eric Parisc4ec54b2009-12-17 21:24:34 -0500738 int ret;
739
740 ret = security_ops->dentry_open(file, cred);
741 if (ret)
742 return ret;
743
744 return fsnotify_perm(file, MAY_OPEN);
James Morris20510f22007-10-16 23:31:32 -0700745}
746
747int security_task_create(unsigned long clone_flags)
748{
749 return security_ops->task_create(clone_flags);
750}
751
David Howellsee18d642009-09-02 09:14:21 +0100752int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
753{
754 return security_ops->cred_alloc_blank(cred, gfp);
755}
756
David Howellsf1752ee2008-11-14 10:39:17 +1100757void security_cred_free(struct cred *cred)
James Morris20510f22007-10-16 23:31:32 -0700758{
David Howellsf1752ee2008-11-14 10:39:17 +1100759 security_ops->cred_free(cred);
James Morris20510f22007-10-16 23:31:32 -0700760}
761
David Howellsd84f4f92008-11-14 10:39:23 +1100762int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
763{
764 return security_ops->cred_prepare(new, old, gfp);
765}
766
David Howellsee18d642009-09-02 09:14:21 +0100767void security_transfer_creds(struct cred *new, const struct cred *old)
768{
769 security_ops->cred_transfer(new, old);
770}
771
David Howells3a3b7ce2008-11-14 10:39:28 +1100772int security_kernel_act_as(struct cred *new, u32 secid)
773{
774 return security_ops->kernel_act_as(new, secid);
775}
776
777int security_kernel_create_files_as(struct cred *new, struct inode *inode)
778{
779 return security_ops->kernel_create_files_as(new, inode);
780}
781
Eric Parisdd8dbf22009-11-03 16:35:32 +1100782int security_kernel_module_request(char *kmod_name)
Eric Paris91884992009-08-13 09:44:57 -0400783{
Eric Parisdd8dbf22009-11-03 16:35:32 +1100784 return security_ops->kernel_module_request(kmod_name);
Eric Paris91884992009-08-13 09:44:57 -0400785}
786
David Howellsd84f4f92008-11-14 10:39:23 +1100787int security_task_fix_setuid(struct cred *new, const struct cred *old,
788 int flags)
James Morris20510f22007-10-16 23:31:32 -0700789{
David Howellsd84f4f92008-11-14 10:39:23 +1100790 return security_ops->task_fix_setuid(new, old, flags);
James Morris20510f22007-10-16 23:31:32 -0700791}
792
James Morris20510f22007-10-16 23:31:32 -0700793int security_task_setpgid(struct task_struct *p, pid_t pgid)
794{
795 return security_ops->task_setpgid(p, pgid);
796}
797
798int security_task_getpgid(struct task_struct *p)
799{
800 return security_ops->task_getpgid(p);
801}
802
803int security_task_getsid(struct task_struct *p)
804{
805 return security_ops->task_getsid(p);
806}
807
808void security_task_getsecid(struct task_struct *p, u32 *secid)
809{
810 security_ops->task_getsecid(p, secid);
811}
812EXPORT_SYMBOL(security_task_getsecid);
813
James Morris20510f22007-10-16 23:31:32 -0700814int 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
Jiri Slaby8fd00b42009-08-26 18:41:16 +0200829int security_task_setrlimit(struct task_struct *p, unsigned int resource,
830 struct rlimit *new_rlim)
James Morris20510f22007-10-16 23:31:32 -0700831{
Jiri Slaby8fd00b42009-08-26 18:41:16 +0200832 return security_ops->task_setrlimit(p, resource, new_rlim);
James Morris20510f22007-10-16 23:31:32 -0700833}
834
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +0900835int security_task_setscheduler(struct task_struct *p)
James Morris20510f22007-10-16 23:31:32 -0700836{
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +0900837 return security_ops->task_setscheduler(p);
James Morris20510f22007-10-16 23:31:32 -0700838}
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
David S. Miller3610cda2011-01-05 15:38:53 -08001042int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
James Morris20510f22007-10-16 23:31:32 -07001043{
1044 return security_ops->unix_stream_connect(sock, other, newsk);
1045}
1046EXPORT_SYMBOL(security_unix_stream_connect);
1047
1048int security_unix_may_send(struct socket *sock, struct socket *other)
1049{
1050 return security_ops->unix_may_send(sock, other);
1051}
1052EXPORT_SYMBOL(security_unix_may_send);
1053
1054int security_socket_create(int family, int type, int protocol, int kern)
1055{
1056 return security_ops->socket_create(family, type, protocol, kern);
1057}
1058
1059int security_socket_post_create(struct socket *sock, int family,
1060 int type, int protocol, int kern)
1061{
1062 return security_ops->socket_post_create(sock, family, type,
1063 protocol, kern);
1064}
1065
1066int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1067{
1068 return security_ops->socket_bind(sock, address, addrlen);
1069}
1070
1071int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1072{
1073 return security_ops->socket_connect(sock, address, addrlen);
1074}
1075
1076int security_socket_listen(struct socket *sock, int backlog)
1077{
1078 return security_ops->socket_listen(sock, backlog);
1079}
1080
1081int security_socket_accept(struct socket *sock, struct socket *newsock)
1082{
1083 return security_ops->socket_accept(sock, newsock);
1084}
1085
James Morris20510f22007-10-16 23:31:32 -07001086int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1087{
1088 return security_ops->socket_sendmsg(sock, msg, size);
1089}
1090
1091int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1092 int size, int flags)
1093{
1094 return security_ops->socket_recvmsg(sock, msg, size, flags);
1095}
1096
1097int security_socket_getsockname(struct socket *sock)
1098{
1099 return security_ops->socket_getsockname(sock);
1100}
1101
1102int security_socket_getpeername(struct socket *sock)
1103{
1104 return security_ops->socket_getpeername(sock);
1105}
1106
1107int security_socket_getsockopt(struct socket *sock, int level, int optname)
1108{
1109 return security_ops->socket_getsockopt(sock, level, optname);
1110}
1111
1112int security_socket_setsockopt(struct socket *sock, int level, int optname)
1113{
1114 return security_ops->socket_setsockopt(sock, level, optname);
1115}
1116
1117int security_socket_shutdown(struct socket *sock, int how)
1118{
1119 return security_ops->socket_shutdown(sock, how);
1120}
1121
1122int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1123{
1124 return security_ops->socket_sock_rcv_skb(sk, skb);
1125}
1126EXPORT_SYMBOL(security_sock_rcv_skb);
1127
1128int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1129 int __user *optlen, unsigned len)
1130{
1131 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1132}
1133
1134int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1135{
1136 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1137}
1138EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1139
1140int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1141{
1142 return security_ops->sk_alloc_security(sk, family, priority);
1143}
1144
1145void security_sk_free(struct sock *sk)
1146{
James Morris65fc7662008-06-12 01:00:10 +10001147 security_ops->sk_free_security(sk);
James Morris20510f22007-10-16 23:31:32 -07001148}
1149
1150void security_sk_clone(const struct sock *sk, struct sock *newsk)
1151{
James Morris65fc7662008-06-12 01:00:10 +10001152 security_ops->sk_clone_security(sk, newsk);
James Morris20510f22007-10-16 23:31:32 -07001153}
Paul Moore6230c9b2011-10-07 09:40:59 +00001154EXPORT_SYMBOL(security_sk_clone);
James Morris20510f22007-10-16 23:31:32 -07001155
1156void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1157{
David S. Miller1d28f422011-03-12 00:29:39 -05001158 security_ops->sk_getsecid(sk, &fl->flowi_secid);
James Morris20510f22007-10-16 23:31:32 -07001159}
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
Eric Paris2606fd12010-10-13 16:24:41 -04001193int security_secmark_relabel_packet(u32 secid)
1194{
1195 return security_ops->secmark_relabel_packet(secid);
1196}
1197EXPORT_SYMBOL(security_secmark_relabel_packet);
1198
1199void security_secmark_refcount_inc(void)
1200{
1201 security_ops->secmark_refcount_inc();
1202}
1203EXPORT_SYMBOL(security_secmark_refcount_inc);
1204
1205void security_secmark_refcount_dec(void)
1206{
1207 security_ops->secmark_refcount_dec();
1208}
1209EXPORT_SYMBOL(security_secmark_refcount_dec);
1210
Paul Moore2b980db2009-08-28 18:12:43 -04001211int security_tun_dev_create(void)
1212{
1213 return security_ops->tun_dev_create();
1214}
1215EXPORT_SYMBOL(security_tun_dev_create);
1216
1217void security_tun_dev_post_create(struct sock *sk)
1218{
1219 return security_ops->tun_dev_post_create(sk);
1220}
1221EXPORT_SYMBOL(security_tun_dev_post_create);
1222
1223int security_tun_dev_attach(struct sock *sk)
1224{
1225 return security_ops->tun_dev_attach(sk);
1226}
1227EXPORT_SYMBOL(security_tun_dev_attach);
1228
James Morris20510f22007-10-16 23:31:32 -07001229#endif /* CONFIG_SECURITY_NETWORK */
1230
1231#ifdef CONFIG_SECURITY_NETWORK_XFRM
1232
Paul Moore03e1ad72008-04-12 19:07:52 -07001233int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
James Morris20510f22007-10-16 23:31:32 -07001234{
Paul Moore03e1ad72008-04-12 19:07:52 -07001235 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
James Morris20510f22007-10-16 23:31:32 -07001236}
1237EXPORT_SYMBOL(security_xfrm_policy_alloc);
1238
Paul Moore03e1ad72008-04-12 19:07:52 -07001239int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1240 struct xfrm_sec_ctx **new_ctxp)
James Morris20510f22007-10-16 23:31:32 -07001241{
Paul Moore03e1ad72008-04-12 19:07:52 -07001242 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
James Morris20510f22007-10-16 23:31:32 -07001243}
1244
Paul Moore03e1ad72008-04-12 19:07:52 -07001245void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001246{
Paul Moore03e1ad72008-04-12 19:07:52 -07001247 security_ops->xfrm_policy_free_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001248}
1249EXPORT_SYMBOL(security_xfrm_policy_free);
1250
Paul Moore03e1ad72008-04-12 19:07:52 -07001251int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001252{
Paul Moore03e1ad72008-04-12 19:07:52 -07001253 return security_ops->xfrm_policy_delete_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001254}
1255
1256int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1257{
1258 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1259}
1260EXPORT_SYMBOL(security_xfrm_state_alloc);
1261
1262int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1263 struct xfrm_sec_ctx *polsec, u32 secid)
1264{
1265 if (!polsec)
1266 return 0;
1267 /*
1268 * We want the context to be taken from secid which is usually
1269 * from the sock.
1270 */
1271 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1272}
1273
1274int security_xfrm_state_delete(struct xfrm_state *x)
1275{
1276 return security_ops->xfrm_state_delete_security(x);
1277}
1278EXPORT_SYMBOL(security_xfrm_state_delete);
1279
1280void security_xfrm_state_free(struct xfrm_state *x)
1281{
1282 security_ops->xfrm_state_free_security(x);
1283}
1284
Paul Moore03e1ad72008-04-12 19:07:52 -07001285int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
James Morris20510f22007-10-16 23:31:32 -07001286{
Paul Moore03e1ad72008-04-12 19:07:52 -07001287 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
James Morris20510f22007-10-16 23:31:32 -07001288}
1289
1290int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
David S. Millere33f7702011-02-22 18:13:15 -08001291 struct xfrm_policy *xp,
1292 const struct flowi *fl)
James Morris20510f22007-10-16 23:31:32 -07001293{
1294 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1295}
1296
1297int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1298{
1299 return security_ops->xfrm_decode_session(skb, secid, 1);
1300}
1301
1302void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1303{
David S. Miller1d28f422011-03-12 00:29:39 -05001304 int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
James Morris20510f22007-10-16 23:31:32 -07001305
1306 BUG_ON(rc);
1307}
1308EXPORT_SYMBOL(security_skb_classify_flow);
1309
1310#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1311
1312#ifdef CONFIG_KEYS
1313
David Howellsd84f4f92008-11-14 10:39:23 +11001314int security_key_alloc(struct key *key, const struct cred *cred,
1315 unsigned long flags)
James Morris20510f22007-10-16 23:31:32 -07001316{
David Howellsd84f4f92008-11-14 10:39:23 +11001317 return security_ops->key_alloc(key, cred, flags);
James Morris20510f22007-10-16 23:31:32 -07001318}
1319
1320void security_key_free(struct key *key)
1321{
1322 security_ops->key_free(key);
1323}
1324
1325int security_key_permission(key_ref_t key_ref,
David Howellsd84f4f92008-11-14 10:39:23 +11001326 const struct cred *cred, key_perm_t perm)
James Morris20510f22007-10-16 23:31:32 -07001327{
David Howellsd84f4f92008-11-14 10:39:23 +11001328 return security_ops->key_permission(key_ref, cred, perm);
James Morris20510f22007-10-16 23:31:32 -07001329}
1330
David Howells70a5bb72008-04-29 01:01:26 -07001331int security_key_getsecurity(struct key *key, char **_buffer)
1332{
1333 return security_ops->key_getsecurity(key, _buffer);
1334}
1335
James Morris20510f22007-10-16 23:31:32 -07001336#endif /* CONFIG_KEYS */
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001337
1338#ifdef CONFIG_AUDIT
1339
1340int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1341{
1342 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1343}
1344
1345int security_audit_rule_known(struct audit_krule *krule)
1346{
1347 return security_ops->audit_rule_known(krule);
1348}
1349
1350void security_audit_rule_free(void *lsmrule)
1351{
1352 security_ops->audit_rule_free(lsmrule);
1353}
1354
1355int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1356 struct audit_context *actx)
1357{
1358 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1359}
1360
1361#endif /* CONFIG_AUDIT */