blob: a8bf480b42b240398c4001c369f85fde8b88d499 [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>
23#include <net/flow.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070024
Mimi Zohar823eb1c2011-06-15 21:19:10 -040025#define MAX_LSM_EVM_XATTR 2
Linus Torvalds1da177e2005-04-16 15:20:36 -070026
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020027/* Boot-time LSM user choice */
John Johansen6e65f922009-11-05 17:03:20 -080028static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
29 CONFIG_DEFAULT_SECURITY;
Linus Torvalds1da177e2005-04-16 15:20:36 -070030
wzt.wzt@gmail.com189b3b12010-02-23 23:15:28 +080031static struct security_operations *security_ops;
32static struct security_operations default_security_ops = {
33 .name = "default",
34};
Eric Parisa5ecbcb2008-01-31 15:11:22 -050035
Tetsuo Handac80901f2010-05-14 12:01:26 +090036static inline int __init verify(struct security_operations *ops)
Linus Torvalds1da177e2005-04-16 15:20:36 -070037{
38 /* verify the security_operations structure exists */
39 if (!ops)
40 return -EINVAL;
41 security_fixup_ops(ops);
42 return 0;
43}
44
45static void __init do_security_initcalls(void)
46{
47 initcall_t *call;
48 call = __security_initcall_start;
49 while (call < __security_initcall_end) {
50 (*call) ();
51 call++;
52 }
53}
54
55/**
56 * security_init - initializes the security framework
57 *
58 * This should be called early in the kernel initialization sequence.
59 */
60int __init security_init(void)
61{
James Morris20510f22007-10-16 23:31:32 -070062 printk(KERN_INFO "Security Framework initialized\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070063
Miklos Szeredi5915eb52008-07-03 20:56:05 +020064 security_fixup_ops(&default_security_ops);
65 security_ops = &default_security_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070066 do_security_initcalls();
67
68 return 0;
69}
70
wzt.wzt@gmail.com189b3b12010-02-23 23:15:28 +080071void reset_security_ops(void)
72{
73 security_ops = &default_security_ops;
74}
75
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020076/* Save user chosen LSM */
77static int __init choose_lsm(char *str)
78{
79 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
80 return 1;
81}
82__setup("security=", choose_lsm);
83
84/**
85 * security_module_enable - Load given security module on boot ?
86 * @ops: a pointer to the struct security_operations that is to be checked.
87 *
88 * Each LSM must pass this method before registering its own operations
89 * to avoid security registration races. This method may also be used
James Morris7cea51b2008-03-07 12:23:49 +110090 * to check if your LSM is currently loaded during kernel initialization.
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020091 *
92 * Return true if:
93 * -The passed LSM is the one chosen by user at boot time,
John Johansen6e65f922009-11-05 17:03:20 -080094 * -or the passed LSM is configured as the default and the user did not
Tetsuo Handa065d78a2010-08-28 14:58:44 +090095 * choose an alternate LSM at boot time.
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020096 * Otherwise, return false.
97 */
98int __init security_module_enable(struct security_operations *ops)
99{
Tetsuo Handa065d78a2010-08-28 14:58:44 +0900100 return !strcmp(ops->name, chosen_lsm);
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +0200101}
102
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103/**
104 * register_security - registers a security framework with the kernel
105 * @ops: a pointer to the struct security_options that is to be registered
106 *
Randy Dunlap3f23d812008-08-17 21:44:22 -0700107 * This function allows a security module to register itself with the
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108 * kernel security subsystem. Some rudimentary checking is done on the @ops
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +0200109 * value passed to this function. You'll need to check first if your LSM
110 * is allowed to register its @ops by calling security_module_enable(@ops).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 *
112 * If there is already a security module registered with the kernel,
Randy Dunlap3f23d812008-08-17 21:44:22 -0700113 * an error will be returned. Otherwise %0 is returned on success.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114 */
wzt.wzt@gmail.comc1e992b2010-02-26 22:49:55 +0800115int __init register_security(struct security_operations *ops)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116{
117 if (verify(ops)) {
118 printk(KERN_DEBUG "%s could not verify "
Harvey Harrisondd6f9532008-03-06 10:03:59 +1100119 "security_operations structure.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120 return -EINVAL;
121 }
122
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200123 if (security_ops != &default_security_ops)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124 return -EAGAIN;
125
126 security_ops = ops;
127
128 return 0;
129}
130
James Morris20510f22007-10-16 23:31:32 -0700131/* Security operations */
132
Stephen Smalley48a23702012-11-05 08:15:34 -0500133int security_binder_set_context_mgr(struct task_struct *mgr)
134{
135 return security_ops->binder_set_context_mgr(mgr);
136}
137
138int security_binder_transaction(struct task_struct *from, struct task_struct *to)
139{
140 return security_ops->binder_transaction(from, to);
141}
142
143int security_binder_transfer_binder(struct task_struct *from, struct task_struct *to)
144{
145 return security_ops->binder_transfer_binder(from, to);
146}
147
148int security_binder_transfer_file(struct task_struct *from, struct task_struct *to, struct file *file)
149{
150 return security_ops->binder_transfer_file(from, to, file);
151}
152
Ingo Molnar9e488582009-05-07 19:26:19 +1000153int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
James Morris20510f22007-10-16 23:31:32 -0700154{
Ingo Molnar9e488582009-05-07 19:26:19 +1000155 return security_ops->ptrace_access_check(child, mode);
David Howells5cd9c582008-08-14 11:37:28 +0100156}
157
158int security_ptrace_traceme(struct task_struct *parent)
159{
160 return security_ops->ptrace_traceme(parent);
James Morris20510f22007-10-16 23:31:32 -0700161}
162
163int security_capget(struct task_struct *target,
164 kernel_cap_t *effective,
165 kernel_cap_t *inheritable,
166 kernel_cap_t *permitted)
167{
168 return security_ops->capget(target, effective, inheritable, permitted);
169}
170
David Howellsd84f4f92008-11-14 10:39:23 +1100171int security_capset(struct cred *new, const struct cred *old,
172 const kernel_cap_t *effective,
173 const kernel_cap_t *inheritable,
174 const kernel_cap_t *permitted)
James Morris20510f22007-10-16 23:31:32 -0700175{
David Howellsd84f4f92008-11-14 10:39:23 +1100176 return security_ops->capset(new, old,
177 effective, inheritable, permitted);
James Morris20510f22007-10-16 23:31:32 -0700178}
179
Eric Parisb7e724d2012-01-03 12:25:15 -0500180int security_capable(const struct cred *cred, struct user_namespace *ns,
Serge E. Hallyn34867402011-03-23 16:43:17 -0700181 int cap)
James Morris20510f22007-10-16 23:31:32 -0700182{
Eric Paris6a9de492012-01-03 12:25:14 -0500183 return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT);
Eric Paris06112162008-11-11 22:02:50 +1100184}
185
Eric Parisc7eba4a2012-01-03 12:25:15 -0500186int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
187 int cap)
Eric Paris06112162008-11-11 22:02:50 +1100188{
Eric Parisc7eba4a2012-01-03 12:25:15 -0500189 return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
James Morris20510f22007-10-16 23:31:32 -0700190}
191
James Morris20510f22007-10-16 23:31:32 -0700192int security_quotactl(int cmds, int type, int id, struct super_block *sb)
193{
194 return security_ops->quotactl(cmds, type, id, sb);
195}
196
197int security_quota_on(struct dentry *dentry)
198{
199 return security_ops->quota_on(dentry);
200}
201
Eric Paris12b30522010-11-15 18:36:29 -0500202int security_syslog(int type)
James Morris20510f22007-10-16 23:31:32 -0700203{
Eric Paris12b30522010-11-15 18:36:29 -0500204 return security_ops->syslog(type);
James Morris20510f22007-10-16 23:31:32 -0700205}
206
Richard Cochran1e6d7672011-02-01 13:50:58 +0000207int security_settime(const struct timespec *ts, const struct timezone *tz)
James Morris20510f22007-10-16 23:31:32 -0700208{
209 return security_ops->settime(ts, tz);
210}
211
James Morris20510f22007-10-16 23:31:32 -0700212int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
213{
214 return security_ops->vm_enough_memory(mm, pages);
215}
216
David Howellsa6f76f22008-11-14 10:39:24 +1100217int security_bprm_set_creds(struct linux_binprm *bprm)
James Morris20510f22007-10-16 23:31:32 -0700218{
David Howellsa6f76f22008-11-14 10:39:24 +1100219 return security_ops->bprm_set_creds(bprm);
James Morris20510f22007-10-16 23:31:32 -0700220}
221
222int security_bprm_check(struct linux_binprm *bprm)
223{
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400224 int ret;
225
226 ret = security_ops->bprm_check_security(bprm);
227 if (ret)
228 return ret;
229 return ima_bprm_check(bprm);
James Morris20510f22007-10-16 23:31:32 -0700230}
231
David Howellsa6f76f22008-11-14 10:39:24 +1100232void security_bprm_committing_creds(struct linux_binprm *bprm)
233{
Hannes Eder200036c2008-11-24 22:14:43 +0100234 security_ops->bprm_committing_creds(bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100235}
236
237void security_bprm_committed_creds(struct linux_binprm *bprm)
238{
Hannes Eder200036c2008-11-24 22:14:43 +0100239 security_ops->bprm_committed_creds(bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100240}
241
James Morris20510f22007-10-16 23:31:32 -0700242int security_bprm_secureexec(struct linux_binprm *bprm)
243{
244 return security_ops->bprm_secureexec(bprm);
245}
246
247int security_sb_alloc(struct super_block *sb)
248{
249 return security_ops->sb_alloc_security(sb);
250}
251
252void security_sb_free(struct super_block *sb)
253{
254 security_ops->sb_free_security(sb);
255}
256
Eric Parise0007522008-03-05 10:31:54 -0500257int security_sb_copy_data(char *orig, char *copy)
James Morris20510f22007-10-16 23:31:32 -0700258{
Eric Parise0007522008-03-05 10:31:54 -0500259 return security_ops->sb_copy_data(orig, copy);
James Morris20510f22007-10-16 23:31:32 -0700260}
Eric Parise0007522008-03-05 10:31:54 -0500261EXPORT_SYMBOL(security_sb_copy_data);
James Morris20510f22007-10-16 23:31:32 -0700262
Eric Parisff36fe22011-03-03 16:09:14 -0500263int security_sb_remount(struct super_block *sb, void *data)
264{
265 return security_ops->sb_remount(sb, data);
266}
267
James Morris12204e22008-12-19 10:44:42 +1100268int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
James Morris20510f22007-10-16 23:31:32 -0700269{
James Morris12204e22008-12-19 10:44:42 +1100270 return security_ops->sb_kern_mount(sb, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700271}
272
Eric Paris2069f452008-07-04 09:47:13 +1000273int security_sb_show_options(struct seq_file *m, struct super_block *sb)
274{
275 return security_ops->sb_show_options(m, sb);
276}
277
James Morris20510f22007-10-16 23:31:32 -0700278int security_sb_statfs(struct dentry *dentry)
279{
280 return security_ops->sb_statfs(dentry);
281}
282
Al Viroddaa16d2012-10-11 11:42:01 -0400283int security_sb_mount(const char *dev_name, struct path *path,
284 const char *type, unsigned long flags, void *data)
James Morris20510f22007-10-16 23:31:32 -0700285{
Al Virob5266eb2008-03-22 17:48:24 -0400286 return security_ops->sb_mount(dev_name, path, type, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700287}
288
James Morris20510f22007-10-16 23:31:32 -0700289int security_sb_umount(struct vfsmount *mnt, int flags)
290{
291 return security_ops->sb_umount(mnt, flags);
292}
293
Al Virob5266eb2008-03-22 17:48:24 -0400294int security_sb_pivotroot(struct path *old_path, struct path *new_path)
James Morris20510f22007-10-16 23:31:32 -0700295{
Al Virob5266eb2008-03-22 17:48:24 -0400296 return security_ops->sb_pivotroot(old_path, new_path);
James Morris20510f22007-10-16 23:31:32 -0700297}
298
Eric Parisc9180a52007-11-30 13:00:35 -0500299int security_sb_set_mnt_opts(struct super_block *sb,
Eric Parise0007522008-03-05 10:31:54 -0500300 struct security_mnt_opts *opts)
Eric Parisc9180a52007-11-30 13:00:35 -0500301{
Eric Parise0007522008-03-05 10:31:54 -0500302 return security_ops->sb_set_mnt_opts(sb, opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500303}
Eric Parise0007522008-03-05 10:31:54 -0500304EXPORT_SYMBOL(security_sb_set_mnt_opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500305
306void security_sb_clone_mnt_opts(const struct super_block *oldsb,
307 struct super_block *newsb)
308{
309 security_ops->sb_clone_mnt_opts(oldsb, newsb);
310}
Eric Parise0007522008-03-05 10:31:54 -0500311EXPORT_SYMBOL(security_sb_clone_mnt_opts);
312
313int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
314{
315 return security_ops->sb_parse_opts_str(options, opts);
316}
317EXPORT_SYMBOL(security_sb_parse_opts_str);
Eric Parisc9180a52007-11-30 13:00:35 -0500318
James Morris20510f22007-10-16 23:31:32 -0700319int security_inode_alloc(struct inode *inode)
320{
321 inode->i_security = NULL;
Eric Parisbc7d2a32010-10-25 14:42:05 -0400322 return security_ops->inode_alloc_security(inode);
James Morris20510f22007-10-16 23:31:32 -0700323}
324
325void security_inode_free(struct inode *inode)
326{
Mimi Zoharf381c272011-03-09 14:13:22 -0500327 integrity_inode_free(inode);
James Morris20510f22007-10-16 23:31:32 -0700328 security_ops->inode_free_security(inode);
329}
330
331int security_inode_init_security(struct inode *inode, struct inode *dir,
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400332 const struct qstr *qstr,
333 const initxattrs initxattrs, void *fs_data)
334{
Mimi Zohar823eb1c2011-06-15 21:19:10 -0400335 struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
336 struct xattr *lsm_xattr, *evm_xattr, *xattr;
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400337 int ret;
338
339 if (unlikely(IS_PRIVATE(inode)))
Mimi Zoharfb88c2b2011-08-15 10:13:18 -0400340 return 0;
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400341
342 memset(new_xattrs, 0, sizeof new_xattrs);
343 if (!initxattrs)
344 return security_ops->inode_init_security(inode, dir, qstr,
345 NULL, NULL, NULL);
346 lsm_xattr = new_xattrs;
347 ret = security_ops->inode_init_security(inode, dir, qstr,
348 &lsm_xattr->name,
349 &lsm_xattr->value,
350 &lsm_xattr->value_len);
351 if (ret)
352 goto out;
Mimi Zohar823eb1c2011-06-15 21:19:10 -0400353
354 evm_xattr = lsm_xattr + 1;
355 ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
356 if (ret)
357 goto out;
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400358 ret = initxattrs(inode, new_xattrs, fs_data);
359out:
Mimi Zohar823eb1c2011-06-15 21:19:10 -0400360 for (xattr = new_xattrs; xattr->name != NULL; xattr++) {
361 kfree(xattr->name);
362 kfree(xattr->value);
363 }
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400364 return (ret == -EOPNOTSUPP) ? 0 : ret;
365}
366EXPORT_SYMBOL(security_inode_init_security);
367
368int security_old_inode_init_security(struct inode *inode, struct inode *dir,
369 const struct qstr *qstr, char **name,
370 void **value, size_t *len)
James Morris20510f22007-10-16 23:31:32 -0700371{
372 if (unlikely(IS_PRIVATE(inode)))
Jan Kara30e05322012-01-03 13:14:29 +0100373 return -EOPNOTSUPP;
Eric Paris2a7dba32011-02-01 11:05:39 -0500374 return security_ops->inode_init_security(inode, dir, qstr, name, value,
375 len);
James Morris20510f22007-10-16 23:31:32 -0700376}
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400377EXPORT_SYMBOL(security_old_inode_init_security);
James Morris20510f22007-10-16 23:31:32 -0700378
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900379#ifdef CONFIG_SECURITY_PATH
Al Viro04fc66e2011-11-21 14:58:38 -0500380int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900381 unsigned int dev)
382{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900383 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900384 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900385 return security_ops->path_mknod(dir, dentry, mode, dev);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900386}
387EXPORT_SYMBOL(security_path_mknod);
388
Al Viro4572bef2011-11-21 14:56:21 -0500389int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900390{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900391 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900392 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900393 return security_ops->path_mkdir(dir, dentry, mode);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900394}
David Howells82140442010-12-24 14:48:35 +0000395EXPORT_SYMBOL(security_path_mkdir);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900396
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900397int security_path_rmdir(struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900398{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900399 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900400 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900401 return security_ops->path_rmdir(dir, dentry);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900402}
403
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900404int security_path_unlink(struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900405{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900406 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900407 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900408 return security_ops->path_unlink(dir, dentry);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900409}
David Howells82140442010-12-24 14:48:35 +0000410EXPORT_SYMBOL(security_path_unlink);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900411
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900412int security_path_symlink(struct path *dir, struct dentry *dentry,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900413 const char *old_name)
414{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900415 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900416 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900417 return security_ops->path_symlink(dir, dentry, old_name);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900418}
419
420int security_path_link(struct dentry *old_dentry, struct path *new_dir,
421 struct dentry *new_dentry)
422{
423 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
424 return 0;
425 return security_ops->path_link(old_dentry, new_dir, new_dentry);
426}
427
428int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
429 struct path *new_dir, struct dentry *new_dentry)
430{
431 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
432 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
433 return 0;
434 return security_ops->path_rename(old_dir, old_dentry, new_dir,
435 new_dentry);
436}
David Howells82140442010-12-24 14:48:35 +0000437EXPORT_SYMBOL(security_path_rename);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900438
Tetsuo Handaea0d3ab2010-06-02 13:24:43 +0900439int security_path_truncate(struct path *path)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900440{
441 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
442 return 0;
Tetsuo Handaea0d3ab2010-06-02 13:24:43 +0900443 return security_ops->path_truncate(path);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900444}
Tetsuo Handa89eda062009-10-04 21:49:47 +0900445
Al Virocdcf1162011-12-08 10:51:53 -0500446int security_path_chmod(struct path *path, umode_t mode)
Tetsuo Handa89eda062009-10-04 21:49:47 +0900447{
Al Virocdcf1162011-12-08 10:51:53 -0500448 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
Tetsuo Handa89eda062009-10-04 21:49:47 +0900449 return 0;
Al Virocdcf1162011-12-08 10:51:53 -0500450 return security_ops->path_chmod(path, mode);
Tetsuo Handa89eda062009-10-04 21:49:47 +0900451}
452
453int security_path_chown(struct path *path, uid_t uid, gid_t gid)
454{
455 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
456 return 0;
457 return security_ops->path_chown(path, uid, gid);
458}
Tetsuo Handa8b8efb42009-10-04 21:49:48 +0900459
460int security_path_chroot(struct path *path)
461{
462 return security_ops->path_chroot(path);
463}
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900464#endif
465
Al Viro4acdaf22011-07-26 01:42:34 -0400466int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
James Morris20510f22007-10-16 23:31:32 -0700467{
468 if (unlikely(IS_PRIVATE(dir)))
469 return 0;
470 return security_ops->inode_create(dir, dentry, mode);
471}
David Howells800a9642009-04-03 16:42:40 +0100472EXPORT_SYMBOL_GPL(security_inode_create);
James Morris20510f22007-10-16 23:31:32 -0700473
Amir Samuelov6a22e462014-05-26 11:44:06 +0300474int security_inode_post_create(struct inode *dir, struct dentry *dentry,
475 umode_t mode)
476{
477 if (unlikely(IS_PRIVATE(dir)))
478 return 0;
479 if (security_ops->inode_post_create == NULL)
480 return 0;
481 return security_ops->inode_post_create(dir, dentry, mode);
482}
483
James Morris20510f22007-10-16 23:31:32 -0700484int security_inode_link(struct dentry *old_dentry, struct inode *dir,
485 struct dentry *new_dentry)
486{
487 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
488 return 0;
489 return security_ops->inode_link(old_dentry, dir, new_dentry);
490}
491
492int security_inode_unlink(struct inode *dir, struct dentry *dentry)
493{
494 if (unlikely(IS_PRIVATE(dentry->d_inode)))
495 return 0;
496 return security_ops->inode_unlink(dir, dentry);
497}
498
499int security_inode_symlink(struct inode *dir, struct dentry *dentry,
500 const char *old_name)
501{
502 if (unlikely(IS_PRIVATE(dir)))
503 return 0;
504 return security_ops->inode_symlink(dir, dentry, old_name);
505}
506
Al Viro18bb1db2011-07-26 01:41:39 -0400507int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
James Morris20510f22007-10-16 23:31:32 -0700508{
509 if (unlikely(IS_PRIVATE(dir)))
510 return 0;
511 return security_ops->inode_mkdir(dir, dentry, mode);
512}
David Howells800a9642009-04-03 16:42:40 +0100513EXPORT_SYMBOL_GPL(security_inode_mkdir);
James Morris20510f22007-10-16 23:31:32 -0700514
515int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
516{
517 if (unlikely(IS_PRIVATE(dentry->d_inode)))
518 return 0;
519 return security_ops->inode_rmdir(dir, dentry);
520}
521
Al Viro1a67aaf2011-07-26 01:52:52 -0400522int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
James Morris20510f22007-10-16 23:31:32 -0700523{
524 if (unlikely(IS_PRIVATE(dir)))
525 return 0;
526 return security_ops->inode_mknod(dir, dentry, mode, dev);
527}
528
529int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
530 struct inode *new_dir, struct dentry *new_dentry)
531{
532 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
533 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
534 return 0;
535 return security_ops->inode_rename(old_dir, old_dentry,
536 new_dir, new_dentry);
537}
538
539int security_inode_readlink(struct dentry *dentry)
540{
541 if (unlikely(IS_PRIVATE(dentry->d_inode)))
542 return 0;
543 return security_ops->inode_readlink(dentry);
544}
545
546int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
547{
548 if (unlikely(IS_PRIVATE(dentry->d_inode)))
549 return 0;
550 return security_ops->inode_follow_link(dentry, nd);
551}
552
Al Virob77b0642008-07-17 09:37:02 -0400553int security_inode_permission(struct inode *inode, int mask)
James Morris20510f22007-10-16 23:31:32 -0700554{
555 if (unlikely(IS_PRIVATE(inode)))
556 return 0;
Al Viroe74f71e2011-06-20 19:38:15 -0400557 return security_ops->inode_permission(inode, mask);
James Morris20510f22007-10-16 23:31:32 -0700558}
559
560int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
561{
Mimi Zohar817b54a2011-05-13 12:53:38 -0400562 int ret;
563
James Morris20510f22007-10-16 23:31:32 -0700564 if (unlikely(IS_PRIVATE(dentry->d_inode)))
565 return 0;
Mimi Zohar817b54a2011-05-13 12:53:38 -0400566 ret = security_ops->inode_setattr(dentry, attr);
567 if (ret)
568 return ret;
569 return evm_inode_setattr(dentry, attr);
James Morris20510f22007-10-16 23:31:32 -0700570}
Miklos Szeredib1da47e2008-07-01 15:01:28 +0200571EXPORT_SYMBOL_GPL(security_inode_setattr);
James Morris20510f22007-10-16 23:31:32 -0700572
573int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
574{
575 if (unlikely(IS_PRIVATE(dentry->d_inode)))
576 return 0;
577 return security_ops->inode_getattr(mnt, dentry);
578}
579
David Howells8f0cfa52008-04-29 00:59:41 -0700580int security_inode_setxattr(struct dentry *dentry, const char *name,
581 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700582{
Mimi Zohar3e1be522011-03-09 14:38:26 -0500583 int ret;
584
James Morris20510f22007-10-16 23:31:32 -0700585 if (unlikely(IS_PRIVATE(dentry->d_inode)))
586 return 0;
Mimi Zohar3e1be522011-03-09 14:38:26 -0500587 ret = security_ops->inode_setxattr(dentry, name, value, size, flags);
588 if (ret)
589 return ret;
590 return evm_inode_setxattr(dentry, name, value, size);
James Morris20510f22007-10-16 23:31:32 -0700591}
592
David Howells8f0cfa52008-04-29 00:59:41 -0700593void security_inode_post_setxattr(struct dentry *dentry, const char *name,
594 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700595{
596 if (unlikely(IS_PRIVATE(dentry->d_inode)))
597 return;
598 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
Mimi Zohar3e1be522011-03-09 14:38:26 -0500599 evm_inode_post_setxattr(dentry, name, value, size);
James Morris20510f22007-10-16 23:31:32 -0700600}
601
David Howells8f0cfa52008-04-29 00:59:41 -0700602int security_inode_getxattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700603{
604 if (unlikely(IS_PRIVATE(dentry->d_inode)))
605 return 0;
606 return security_ops->inode_getxattr(dentry, name);
607}
608
609int security_inode_listxattr(struct dentry *dentry)
610{
611 if (unlikely(IS_PRIVATE(dentry->d_inode)))
612 return 0;
613 return security_ops->inode_listxattr(dentry);
614}
615
David Howells8f0cfa52008-04-29 00:59:41 -0700616int security_inode_removexattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700617{
Mimi Zohar3e1be522011-03-09 14:38:26 -0500618 int ret;
619
James Morris20510f22007-10-16 23:31:32 -0700620 if (unlikely(IS_PRIVATE(dentry->d_inode)))
621 return 0;
Mimi Zohar3e1be522011-03-09 14:38:26 -0500622 ret = security_ops->inode_removexattr(dentry, name);
623 if (ret)
624 return ret;
625 return evm_inode_removexattr(dentry, name);
James Morris20510f22007-10-16 23:31:32 -0700626}
627
Serge E. Hallynb5376772007-10-16 23:31:36 -0700628int security_inode_need_killpriv(struct dentry *dentry)
629{
630 return security_ops->inode_need_killpriv(dentry);
631}
632
633int security_inode_killpriv(struct dentry *dentry)
634{
635 return security_ops->inode_killpriv(dentry);
636}
637
David P. Quigley42492592008-02-04 22:29:39 -0800638int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
James Morris20510f22007-10-16 23:31:32 -0700639{
640 if (unlikely(IS_PRIVATE(inode)))
James Morris8d952502010-01-14 09:33:28 +1100641 return -EOPNOTSUPP;
David P. Quigley42492592008-02-04 22:29:39 -0800642 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
James Morris20510f22007-10-16 23:31:32 -0700643}
644
645int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
646{
647 if (unlikely(IS_PRIVATE(inode)))
James Morris8d952502010-01-14 09:33:28 +1100648 return -EOPNOTSUPP;
James Morris20510f22007-10-16 23:31:32 -0700649 return security_ops->inode_setsecurity(inode, name, value, size, flags);
650}
651
652int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
653{
654 if (unlikely(IS_PRIVATE(inode)))
655 return 0;
656 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
657}
658
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200659void security_inode_getsecid(const struct inode *inode, u32 *secid)
660{
661 security_ops->inode_getsecid(inode, secid);
662}
663
James Morris20510f22007-10-16 23:31:32 -0700664int security_file_permission(struct file *file, int mask)
665{
Eric Parisc4ec54b2009-12-17 21:24:34 -0500666 int ret;
667
668 ret = security_ops->file_permission(file, mask);
669 if (ret)
670 return ret;
671
672 return fsnotify_perm(file, mask);
James Morris20510f22007-10-16 23:31:32 -0700673}
674
675int security_file_alloc(struct file *file)
676{
677 return security_ops->file_alloc_security(file);
678}
679
680void security_file_free(struct file *file)
681{
682 security_ops->file_free_security(file);
683}
684
685int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
686{
687 return security_ops->file_ioctl(file, cmd, arg);
688}
689
690int security_file_mmap(struct file *file, unsigned long reqprot,
691 unsigned long prot, unsigned long flags,
692 unsigned long addr, unsigned long addr_only)
693{
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400694 int ret;
695
696 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
697 if (ret)
698 return ret;
699 return ima_file_mmap(file, prot);
James Morris20510f22007-10-16 23:31:32 -0700700}
701
702int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
703 unsigned long prot)
704{
705 return security_ops->file_mprotect(vma, reqprot, prot);
706}
707
708int security_file_lock(struct file *file, unsigned int cmd)
709{
710 return security_ops->file_lock(file, cmd);
711}
712
713int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
714{
715 return security_ops->file_fcntl(file, cmd, arg);
716}
717
718int security_file_set_fowner(struct file *file)
719{
720 return security_ops->file_set_fowner(file);
721}
722
723int security_file_send_sigiotask(struct task_struct *tsk,
724 struct fown_struct *fown, int sig)
725{
726 return security_ops->file_send_sigiotask(tsk, fown, sig);
727}
728
729int security_file_receive(struct file *file)
730{
731 return security_ops->file_receive(file);
732}
733
David Howells745ca242008-11-14 10:39:22 +1100734int security_dentry_open(struct file *file, const struct cred *cred)
James Morris20510f22007-10-16 23:31:32 -0700735{
Eric Parisc4ec54b2009-12-17 21:24:34 -0500736 int ret;
737
738 ret = security_ops->dentry_open(file, cred);
739 if (ret)
740 return ret;
741
742 return fsnotify_perm(file, MAY_OPEN);
James Morris20510f22007-10-16 23:31:32 -0700743}
744
Amir Samuelov6a22e462014-05-26 11:44:06 +0300745int security_file_close(struct file *file)
746{
747 if (security_ops->file_close)
748 return security_ops->file_close(file);
749
750 return 0;
751}
752
753bool security_allow_merge_bio(struct bio *bio1, struct bio *bio2)
754{
755 if (security_ops->allow_merge_bio)
756 return security_ops->allow_merge_bio(bio1, bio2);
757
758 return true;
759}
760
James Morris20510f22007-10-16 23:31:32 -0700761int security_task_create(unsigned long clone_flags)
762{
763 return security_ops->task_create(clone_flags);
764}
765
Kees Cook1a2a4d02011-12-21 12:17:03 -0800766void security_task_free(struct task_struct *task)
767{
768 security_ops->task_free(task);
769}
770
David Howellsee18d642009-09-02 09:14:21 +0100771int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
772{
773 return security_ops->cred_alloc_blank(cred, gfp);
774}
775
David Howellsf1752ee2008-11-14 10:39:17 +1100776void security_cred_free(struct cred *cred)
James Morris20510f22007-10-16 23:31:32 -0700777{
David Howellsf1752ee2008-11-14 10:39:17 +1100778 security_ops->cred_free(cred);
James Morris20510f22007-10-16 23:31:32 -0700779}
780
David Howellsd84f4f92008-11-14 10:39:23 +1100781int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
782{
783 return security_ops->cred_prepare(new, old, gfp);
784}
785
David Howellsee18d642009-09-02 09:14:21 +0100786void security_transfer_creds(struct cred *new, const struct cred *old)
787{
788 security_ops->cred_transfer(new, old);
789}
790
David Howells3a3b7ce2008-11-14 10:39:28 +1100791int security_kernel_act_as(struct cred *new, u32 secid)
792{
793 return security_ops->kernel_act_as(new, secid);
794}
795
796int security_kernel_create_files_as(struct cred *new, struct inode *inode)
797{
798 return security_ops->kernel_create_files_as(new, inode);
799}
800
Eric Parisdd8dbf22009-11-03 16:35:32 +1100801int security_kernel_module_request(char *kmod_name)
Eric Paris91884992009-08-13 09:44:57 -0400802{
Eric Parisdd8dbf22009-11-03 16:35:32 +1100803 return security_ops->kernel_module_request(kmod_name);
Eric Paris91884992009-08-13 09:44:57 -0400804}
805
David Howellsd84f4f92008-11-14 10:39:23 +1100806int security_task_fix_setuid(struct cred *new, const struct cred *old,
807 int flags)
James Morris20510f22007-10-16 23:31:32 -0700808{
David Howellsd84f4f92008-11-14 10:39:23 +1100809 return security_ops->task_fix_setuid(new, old, flags);
James Morris20510f22007-10-16 23:31:32 -0700810}
811
James Morris20510f22007-10-16 23:31:32 -0700812int security_task_setpgid(struct task_struct *p, pid_t pgid)
813{
814 return security_ops->task_setpgid(p, pgid);
815}
816
817int security_task_getpgid(struct task_struct *p)
818{
819 return security_ops->task_getpgid(p);
820}
821
822int security_task_getsid(struct task_struct *p)
823{
824 return security_ops->task_getsid(p);
825}
826
827void security_task_getsecid(struct task_struct *p, u32 *secid)
828{
829 security_ops->task_getsecid(p, secid);
830}
831EXPORT_SYMBOL(security_task_getsecid);
832
James Morris20510f22007-10-16 23:31:32 -0700833int security_task_setnice(struct task_struct *p, int nice)
834{
835 return security_ops->task_setnice(p, nice);
836}
837
838int security_task_setioprio(struct task_struct *p, int ioprio)
839{
840 return security_ops->task_setioprio(p, ioprio);
841}
842
843int security_task_getioprio(struct task_struct *p)
844{
845 return security_ops->task_getioprio(p);
846}
847
Jiri Slaby8fd00b42009-08-26 18:41:16 +0200848int security_task_setrlimit(struct task_struct *p, unsigned int resource,
849 struct rlimit *new_rlim)
James Morris20510f22007-10-16 23:31:32 -0700850{
Jiri Slaby8fd00b42009-08-26 18:41:16 +0200851 return security_ops->task_setrlimit(p, resource, new_rlim);
James Morris20510f22007-10-16 23:31:32 -0700852}
853
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +0900854int security_task_setscheduler(struct task_struct *p)
James Morris20510f22007-10-16 23:31:32 -0700855{
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +0900856 return security_ops->task_setscheduler(p);
James Morris20510f22007-10-16 23:31:32 -0700857}
858
859int security_task_getscheduler(struct task_struct *p)
860{
861 return security_ops->task_getscheduler(p);
862}
863
864int security_task_movememory(struct task_struct *p)
865{
866 return security_ops->task_movememory(p);
867}
868
869int security_task_kill(struct task_struct *p, struct siginfo *info,
870 int sig, u32 secid)
871{
872 return security_ops->task_kill(p, info, sig, secid);
873}
874
875int security_task_wait(struct task_struct *p)
876{
877 return security_ops->task_wait(p);
878}
879
880int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
David Howellsd84f4f92008-11-14 10:39:23 +1100881 unsigned long arg4, unsigned long arg5)
James Morris20510f22007-10-16 23:31:32 -0700882{
David Howellsd84f4f92008-11-14 10:39:23 +1100883 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
James Morris20510f22007-10-16 23:31:32 -0700884}
885
886void security_task_to_inode(struct task_struct *p, struct inode *inode)
887{
888 security_ops->task_to_inode(p, inode);
889}
890
891int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
892{
893 return security_ops->ipc_permission(ipcp, flag);
894}
895
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200896void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
897{
898 security_ops->ipc_getsecid(ipcp, secid);
899}
900
James Morris20510f22007-10-16 23:31:32 -0700901int security_msg_msg_alloc(struct msg_msg *msg)
902{
903 return security_ops->msg_msg_alloc_security(msg);
904}
905
906void security_msg_msg_free(struct msg_msg *msg)
907{
908 security_ops->msg_msg_free_security(msg);
909}
910
911int security_msg_queue_alloc(struct msg_queue *msq)
912{
913 return security_ops->msg_queue_alloc_security(msq);
914}
915
916void security_msg_queue_free(struct msg_queue *msq)
917{
918 security_ops->msg_queue_free_security(msq);
919}
920
921int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
922{
923 return security_ops->msg_queue_associate(msq, msqflg);
924}
925
926int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
927{
928 return security_ops->msg_queue_msgctl(msq, cmd);
929}
930
931int security_msg_queue_msgsnd(struct msg_queue *msq,
932 struct msg_msg *msg, int msqflg)
933{
934 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
935}
936
937int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
938 struct task_struct *target, long type, int mode)
939{
940 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
941}
942
943int security_shm_alloc(struct shmid_kernel *shp)
944{
945 return security_ops->shm_alloc_security(shp);
946}
947
948void security_shm_free(struct shmid_kernel *shp)
949{
950 security_ops->shm_free_security(shp);
951}
952
953int security_shm_associate(struct shmid_kernel *shp, int shmflg)
954{
955 return security_ops->shm_associate(shp, shmflg);
956}
957
958int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
959{
960 return security_ops->shm_shmctl(shp, cmd);
961}
962
963int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
964{
965 return security_ops->shm_shmat(shp, shmaddr, shmflg);
966}
967
968int security_sem_alloc(struct sem_array *sma)
969{
970 return security_ops->sem_alloc_security(sma);
971}
972
973void security_sem_free(struct sem_array *sma)
974{
975 security_ops->sem_free_security(sma);
976}
977
978int security_sem_associate(struct sem_array *sma, int semflg)
979{
980 return security_ops->sem_associate(sma, semflg);
981}
982
983int security_sem_semctl(struct sem_array *sma, int cmd)
984{
985 return security_ops->sem_semctl(sma, cmd);
986}
987
988int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
989 unsigned nsops, int alter)
990{
991 return security_ops->sem_semop(sma, sops, nsops, alter);
992}
993
994void security_d_instantiate(struct dentry *dentry, struct inode *inode)
995{
996 if (unlikely(inode && IS_PRIVATE(inode)))
997 return;
998 security_ops->d_instantiate(dentry, inode);
999}
1000EXPORT_SYMBOL(security_d_instantiate);
1001
1002int security_getprocattr(struct task_struct *p, char *name, char **value)
1003{
1004 return security_ops->getprocattr(p, name, value);
1005}
1006
1007int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
1008{
1009 return security_ops->setprocattr(p, name, value, size);
1010}
1011
1012int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1013{
1014 return security_ops->netlink_send(sk, skb);
1015}
James Morris20510f22007-10-16 23:31:32 -07001016
James Morris20510f22007-10-16 23:31:32 -07001017int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1018{
1019 return security_ops->secid_to_secctx(secid, secdata, seclen);
1020}
1021EXPORT_SYMBOL(security_secid_to_secctx);
1022
David Howells7bf570d2008-04-29 20:52:51 +01001023int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
David Howells63cb3442008-01-15 23:47:35 +00001024{
1025 return security_ops->secctx_to_secid(secdata, seclen, secid);
1026}
1027EXPORT_SYMBOL(security_secctx_to_secid);
1028
James Morris20510f22007-10-16 23:31:32 -07001029void security_release_secctx(char *secdata, u32 seclen)
1030{
James Morris65fc7662008-06-12 01:00:10 +10001031 security_ops->release_secctx(secdata, seclen);
James Morris20510f22007-10-16 23:31:32 -07001032}
1033EXPORT_SYMBOL(security_release_secctx);
1034
David P. Quigley1ee65e32009-09-03 14:25:57 -04001035int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1036{
1037 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
1038}
1039EXPORT_SYMBOL(security_inode_notifysecctx);
1040
1041int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1042{
1043 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1044}
1045EXPORT_SYMBOL(security_inode_setsecctx);
1046
1047int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1048{
1049 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1050}
1051EXPORT_SYMBOL(security_inode_getsecctx);
1052
James Morris20510f22007-10-16 23:31:32 -07001053#ifdef CONFIG_SECURITY_NETWORK
1054
David S. Miller3610cda2011-01-05 15:38:53 -08001055int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
James Morris20510f22007-10-16 23:31:32 -07001056{
1057 return security_ops->unix_stream_connect(sock, other, newsk);
1058}
1059EXPORT_SYMBOL(security_unix_stream_connect);
1060
1061int security_unix_may_send(struct socket *sock, struct socket *other)
1062{
1063 return security_ops->unix_may_send(sock, other);
1064}
1065EXPORT_SYMBOL(security_unix_may_send);
1066
1067int security_socket_create(int family, int type, int protocol, int kern)
1068{
1069 return security_ops->socket_create(family, type, protocol, kern);
1070}
1071
1072int security_socket_post_create(struct socket *sock, int family,
1073 int type, int protocol, int kern)
1074{
1075 return security_ops->socket_post_create(sock, family, type,
1076 protocol, kern);
1077}
1078
1079int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1080{
1081 return security_ops->socket_bind(sock, address, addrlen);
1082}
1083
1084int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1085{
1086 return security_ops->socket_connect(sock, address, addrlen);
1087}
1088
1089int security_socket_listen(struct socket *sock, int backlog)
1090{
1091 return security_ops->socket_listen(sock, backlog);
1092}
1093
1094int security_socket_accept(struct socket *sock, struct socket *newsock)
1095{
1096 return security_ops->socket_accept(sock, newsock);
1097}
1098
James Morris20510f22007-10-16 23:31:32 -07001099int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1100{
1101 return security_ops->socket_sendmsg(sock, msg, size);
1102}
1103
1104int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1105 int size, int flags)
1106{
1107 return security_ops->socket_recvmsg(sock, msg, size, flags);
1108}
1109
1110int security_socket_getsockname(struct socket *sock)
1111{
1112 return security_ops->socket_getsockname(sock);
1113}
1114
1115int security_socket_getpeername(struct socket *sock)
1116{
1117 return security_ops->socket_getpeername(sock);
1118}
1119
1120int security_socket_getsockopt(struct socket *sock, int level, int optname)
1121{
1122 return security_ops->socket_getsockopt(sock, level, optname);
1123}
1124
1125int security_socket_setsockopt(struct socket *sock, int level, int optname)
1126{
1127 return security_ops->socket_setsockopt(sock, level, optname);
1128}
1129
1130int security_socket_shutdown(struct socket *sock, int how)
1131{
1132 return security_ops->socket_shutdown(sock, how);
1133}
1134
1135int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1136{
1137 return security_ops->socket_sock_rcv_skb(sk, skb);
1138}
1139EXPORT_SYMBOL(security_sock_rcv_skb);
1140
1141int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1142 int __user *optlen, unsigned len)
1143{
1144 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1145}
1146
1147int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1148{
1149 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1150}
1151EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1152
1153int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1154{
1155 return security_ops->sk_alloc_security(sk, family, priority);
1156}
1157
1158void security_sk_free(struct sock *sk)
1159{
James Morris65fc7662008-06-12 01:00:10 +10001160 security_ops->sk_free_security(sk);
James Morris20510f22007-10-16 23:31:32 -07001161}
1162
1163void security_sk_clone(const struct sock *sk, struct sock *newsk)
1164{
James Morris65fc7662008-06-12 01:00:10 +10001165 security_ops->sk_clone_security(sk, newsk);
James Morris20510f22007-10-16 23:31:32 -07001166}
Paul Moore6230c9b2011-10-07 09:40:59 +00001167EXPORT_SYMBOL(security_sk_clone);
James Morris20510f22007-10-16 23:31:32 -07001168
1169void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1170{
David S. Miller1d28f422011-03-12 00:29:39 -05001171 security_ops->sk_getsecid(sk, &fl->flowi_secid);
James Morris20510f22007-10-16 23:31:32 -07001172}
1173EXPORT_SYMBOL(security_sk_classify_flow);
1174
1175void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1176{
1177 security_ops->req_classify_flow(req, fl);
1178}
1179EXPORT_SYMBOL(security_req_classify_flow);
1180
1181void security_sock_graft(struct sock *sk, struct socket *parent)
1182{
1183 security_ops->sock_graft(sk, parent);
1184}
1185EXPORT_SYMBOL(security_sock_graft);
1186
1187int security_inet_conn_request(struct sock *sk,
1188 struct sk_buff *skb, struct request_sock *req)
1189{
1190 return security_ops->inet_conn_request(sk, skb, req);
1191}
1192EXPORT_SYMBOL(security_inet_conn_request);
1193
1194void security_inet_csk_clone(struct sock *newsk,
1195 const struct request_sock *req)
1196{
1197 security_ops->inet_csk_clone(newsk, req);
1198}
1199
1200void security_inet_conn_established(struct sock *sk,
1201 struct sk_buff *skb)
1202{
1203 security_ops->inet_conn_established(sk, skb);
1204}
1205
Eric Paris2606fd12010-10-13 16:24:41 -04001206int security_secmark_relabel_packet(u32 secid)
1207{
1208 return security_ops->secmark_relabel_packet(secid);
1209}
1210EXPORT_SYMBOL(security_secmark_relabel_packet);
1211
1212void security_secmark_refcount_inc(void)
1213{
1214 security_ops->secmark_refcount_inc();
1215}
1216EXPORT_SYMBOL(security_secmark_refcount_inc);
1217
1218void security_secmark_refcount_dec(void)
1219{
1220 security_ops->secmark_refcount_dec();
1221}
1222EXPORT_SYMBOL(security_secmark_refcount_dec);
1223
Paul Moore2b980db2009-08-28 18:12:43 -04001224int security_tun_dev_create(void)
1225{
1226 return security_ops->tun_dev_create();
1227}
1228EXPORT_SYMBOL(security_tun_dev_create);
1229
1230void security_tun_dev_post_create(struct sock *sk)
1231{
1232 return security_ops->tun_dev_post_create(sk);
1233}
1234EXPORT_SYMBOL(security_tun_dev_post_create);
1235
1236int security_tun_dev_attach(struct sock *sk)
1237{
1238 return security_ops->tun_dev_attach(sk);
1239}
1240EXPORT_SYMBOL(security_tun_dev_attach);
1241
James Morris20510f22007-10-16 23:31:32 -07001242#endif /* CONFIG_SECURITY_NETWORK */
1243
1244#ifdef CONFIG_SECURITY_NETWORK_XFRM
1245
Paul Moore03e1ad72008-04-12 19:07:52 -07001246int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
James Morris20510f22007-10-16 23:31:32 -07001247{
Paul Moore03e1ad72008-04-12 19:07:52 -07001248 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
James Morris20510f22007-10-16 23:31:32 -07001249}
1250EXPORT_SYMBOL(security_xfrm_policy_alloc);
1251
Paul Moore03e1ad72008-04-12 19:07:52 -07001252int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1253 struct xfrm_sec_ctx **new_ctxp)
James Morris20510f22007-10-16 23:31:32 -07001254{
Paul Moore03e1ad72008-04-12 19:07:52 -07001255 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
James Morris20510f22007-10-16 23:31:32 -07001256}
1257
Paul Moore03e1ad72008-04-12 19:07:52 -07001258void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001259{
Paul Moore03e1ad72008-04-12 19:07:52 -07001260 security_ops->xfrm_policy_free_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001261}
1262EXPORT_SYMBOL(security_xfrm_policy_free);
1263
Paul Moore03e1ad72008-04-12 19:07:52 -07001264int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001265{
Paul Moore03e1ad72008-04-12 19:07:52 -07001266 return security_ops->xfrm_policy_delete_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001267}
1268
1269int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1270{
1271 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1272}
1273EXPORT_SYMBOL(security_xfrm_state_alloc);
1274
1275int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1276 struct xfrm_sec_ctx *polsec, u32 secid)
1277{
1278 if (!polsec)
1279 return 0;
1280 /*
1281 * We want the context to be taken from secid which is usually
1282 * from the sock.
1283 */
1284 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1285}
1286
1287int security_xfrm_state_delete(struct xfrm_state *x)
1288{
1289 return security_ops->xfrm_state_delete_security(x);
1290}
1291EXPORT_SYMBOL(security_xfrm_state_delete);
1292
1293void security_xfrm_state_free(struct xfrm_state *x)
1294{
1295 security_ops->xfrm_state_free_security(x);
1296}
1297
Paul Moore03e1ad72008-04-12 19:07:52 -07001298int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
James Morris20510f22007-10-16 23:31:32 -07001299{
Paul Moore03e1ad72008-04-12 19:07:52 -07001300 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
James Morris20510f22007-10-16 23:31:32 -07001301}
1302
1303int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
David S. Millere33f7702011-02-22 18:13:15 -08001304 struct xfrm_policy *xp,
1305 const struct flowi *fl)
James Morris20510f22007-10-16 23:31:32 -07001306{
1307 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1308}
1309
1310int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1311{
1312 return security_ops->xfrm_decode_session(skb, secid, 1);
1313}
1314
1315void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1316{
David S. Miller1d28f422011-03-12 00:29:39 -05001317 int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
James Morris20510f22007-10-16 23:31:32 -07001318
1319 BUG_ON(rc);
1320}
1321EXPORT_SYMBOL(security_skb_classify_flow);
1322
1323#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1324
1325#ifdef CONFIG_KEYS
1326
David Howellsd84f4f92008-11-14 10:39:23 +11001327int security_key_alloc(struct key *key, const struct cred *cred,
1328 unsigned long flags)
James Morris20510f22007-10-16 23:31:32 -07001329{
David Howellsd84f4f92008-11-14 10:39:23 +11001330 return security_ops->key_alloc(key, cred, flags);
James Morris20510f22007-10-16 23:31:32 -07001331}
1332
1333void security_key_free(struct key *key)
1334{
1335 security_ops->key_free(key);
1336}
1337
1338int security_key_permission(key_ref_t key_ref,
David Howellsd84f4f92008-11-14 10:39:23 +11001339 const struct cred *cred, key_perm_t perm)
James Morris20510f22007-10-16 23:31:32 -07001340{
David Howellsd84f4f92008-11-14 10:39:23 +11001341 return security_ops->key_permission(key_ref, cred, perm);
James Morris20510f22007-10-16 23:31:32 -07001342}
1343
David Howells70a5bb72008-04-29 01:01:26 -07001344int security_key_getsecurity(struct key *key, char **_buffer)
1345{
1346 return security_ops->key_getsecurity(key, _buffer);
1347}
1348
James Morris20510f22007-10-16 23:31:32 -07001349#endif /* CONFIG_KEYS */
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001350
1351#ifdef CONFIG_AUDIT
1352
1353int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1354{
1355 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1356}
1357
1358int security_audit_rule_known(struct audit_krule *krule)
1359{
1360 return security_ops->audit_rule_known(krule);
1361}
1362
1363void security_audit_rule_free(void *lsmrule)
1364{
1365 security_ops->audit_rule_free(lsmrule);
1366}
1367
1368int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1369 struct audit_context *actx)
1370{
1371 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1372}
1373
1374#endif /* CONFIG_AUDIT */