blob: 5497a57fba0154a24b1b87835930e6cc685f855b [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
Ingo Molnar9e488582009-05-07 19:26:19 +1000133int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
James Morris20510f22007-10-16 23:31:32 -0700134{
Ingo Molnar9e488582009-05-07 19:26:19 +1000135 return security_ops->ptrace_access_check(child, mode);
David Howells5cd9c582008-08-14 11:37:28 +0100136}
137
138int security_ptrace_traceme(struct task_struct *parent)
139{
140 return security_ops->ptrace_traceme(parent);
James Morris20510f22007-10-16 23:31:32 -0700141}
142
143int security_capget(struct task_struct *target,
144 kernel_cap_t *effective,
145 kernel_cap_t *inheritable,
146 kernel_cap_t *permitted)
147{
148 return security_ops->capget(target, effective, inheritable, permitted);
149}
150
David Howellsd84f4f92008-11-14 10:39:23 +1100151int security_capset(struct cred *new, const struct cred *old,
152 const kernel_cap_t *effective,
153 const kernel_cap_t *inheritable,
154 const kernel_cap_t *permitted)
James Morris20510f22007-10-16 23:31:32 -0700155{
David Howellsd84f4f92008-11-14 10:39:23 +1100156 return security_ops->capset(new, old,
157 effective, inheritable, permitted);
James Morris20510f22007-10-16 23:31:32 -0700158}
159
Eric Parisb7e724d2012-01-03 12:25:15 -0500160int security_capable(const struct cred *cred, struct user_namespace *ns,
Serge E. Hallyn34867402011-03-23 16:43:17 -0700161 int cap)
James Morris20510f22007-10-16 23:31:32 -0700162{
Eric Paris6a9de492012-01-03 12:25:14 -0500163 return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT);
Eric Paris06112162008-11-11 22:02:50 +1100164}
165
Eric Parisc7eba4a2012-01-03 12:25:15 -0500166int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
167 int cap)
Eric Paris06112162008-11-11 22:02:50 +1100168{
Eric Parisc7eba4a2012-01-03 12:25:15 -0500169 return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
James Morris20510f22007-10-16 23:31:32 -0700170}
171
James Morris20510f22007-10-16 23:31:32 -0700172int security_quotactl(int cmds, int type, int id, struct super_block *sb)
173{
174 return security_ops->quotactl(cmds, type, id, sb);
175}
176
177int security_quota_on(struct dentry *dentry)
178{
179 return security_ops->quota_on(dentry);
180}
181
Eric Paris12b30522010-11-15 18:36:29 -0500182int security_syslog(int type)
James Morris20510f22007-10-16 23:31:32 -0700183{
Eric Paris12b30522010-11-15 18:36:29 -0500184 return security_ops->syslog(type);
James Morris20510f22007-10-16 23:31:32 -0700185}
186
Richard Cochran1e6d7672011-02-01 13:50:58 +0000187int security_settime(const struct timespec *ts, const struct timezone *tz)
James Morris20510f22007-10-16 23:31:32 -0700188{
189 return security_ops->settime(ts, tz);
190}
191
James Morris20510f22007-10-16 23:31:32 -0700192int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
193{
194 return security_ops->vm_enough_memory(mm, pages);
195}
196
David Howellsa6f76f22008-11-14 10:39:24 +1100197int security_bprm_set_creds(struct linux_binprm *bprm)
James Morris20510f22007-10-16 23:31:32 -0700198{
David Howellsa6f76f22008-11-14 10:39:24 +1100199 return security_ops->bprm_set_creds(bprm);
James Morris20510f22007-10-16 23:31:32 -0700200}
201
202int security_bprm_check(struct linux_binprm *bprm)
203{
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400204 int ret;
205
206 ret = security_ops->bprm_check_security(bprm);
207 if (ret)
208 return ret;
209 return ima_bprm_check(bprm);
James Morris20510f22007-10-16 23:31:32 -0700210}
211
David Howellsa6f76f22008-11-14 10:39:24 +1100212void security_bprm_committing_creds(struct linux_binprm *bprm)
213{
Hannes Eder200036c2008-11-24 22:14:43 +0100214 security_ops->bprm_committing_creds(bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100215}
216
217void security_bprm_committed_creds(struct linux_binprm *bprm)
218{
Hannes Eder200036c2008-11-24 22:14:43 +0100219 security_ops->bprm_committed_creds(bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100220}
221
James Morris20510f22007-10-16 23:31:32 -0700222int security_bprm_secureexec(struct linux_binprm *bprm)
223{
224 return security_ops->bprm_secureexec(bprm);
225}
226
227int security_sb_alloc(struct super_block *sb)
228{
229 return security_ops->sb_alloc_security(sb);
230}
231
232void security_sb_free(struct super_block *sb)
233{
234 security_ops->sb_free_security(sb);
235}
236
Eric Parise0007522008-03-05 10:31:54 -0500237int security_sb_copy_data(char *orig, char *copy)
James Morris20510f22007-10-16 23:31:32 -0700238{
Eric Parise0007522008-03-05 10:31:54 -0500239 return security_ops->sb_copy_data(orig, copy);
James Morris20510f22007-10-16 23:31:32 -0700240}
Eric Parise0007522008-03-05 10:31:54 -0500241EXPORT_SYMBOL(security_sb_copy_data);
James Morris20510f22007-10-16 23:31:32 -0700242
Eric Parisff36fe22011-03-03 16:09:14 -0500243int security_sb_remount(struct super_block *sb, void *data)
244{
245 return security_ops->sb_remount(sb, data);
246}
247
James Morris12204e22008-12-19 10:44:42 +1100248int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
James Morris20510f22007-10-16 23:31:32 -0700249{
James Morris12204e22008-12-19 10:44:42 +1100250 return security_ops->sb_kern_mount(sb, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700251}
252
Eric Paris2069f452008-07-04 09:47:13 +1000253int security_sb_show_options(struct seq_file *m, struct super_block *sb)
254{
255 return security_ops->sb_show_options(m, sb);
256}
257
James Morris20510f22007-10-16 23:31:32 -0700258int security_sb_statfs(struct dentry *dentry)
259{
260 return security_ops->sb_statfs(dentry);
261}
262
Al Virob5266eb2008-03-22 17:48:24 -0400263int security_sb_mount(char *dev_name, struct path *path,
James Morris20510f22007-10-16 23:31:32 -0700264 char *type, unsigned long flags, void *data)
265{
Al Virob5266eb2008-03-22 17:48:24 -0400266 return security_ops->sb_mount(dev_name, path, type, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700267}
268
James Morris20510f22007-10-16 23:31:32 -0700269int security_sb_umount(struct vfsmount *mnt, int flags)
270{
271 return security_ops->sb_umount(mnt, flags);
272}
273
Al Virob5266eb2008-03-22 17:48:24 -0400274int security_sb_pivotroot(struct path *old_path, struct path *new_path)
James Morris20510f22007-10-16 23:31:32 -0700275{
Al Virob5266eb2008-03-22 17:48:24 -0400276 return security_ops->sb_pivotroot(old_path, new_path);
James Morris20510f22007-10-16 23:31:32 -0700277}
278
Eric Parisc9180a52007-11-30 13:00:35 -0500279int security_sb_set_mnt_opts(struct super_block *sb,
Eric Parise0007522008-03-05 10:31:54 -0500280 struct security_mnt_opts *opts)
Eric Parisc9180a52007-11-30 13:00:35 -0500281{
Eric Parise0007522008-03-05 10:31:54 -0500282 return security_ops->sb_set_mnt_opts(sb, opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500283}
Eric Parise0007522008-03-05 10:31:54 -0500284EXPORT_SYMBOL(security_sb_set_mnt_opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500285
286void security_sb_clone_mnt_opts(const struct super_block *oldsb,
287 struct super_block *newsb)
288{
289 security_ops->sb_clone_mnt_opts(oldsb, newsb);
290}
Eric Parise0007522008-03-05 10:31:54 -0500291EXPORT_SYMBOL(security_sb_clone_mnt_opts);
292
293int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
294{
295 return security_ops->sb_parse_opts_str(options, opts);
296}
297EXPORT_SYMBOL(security_sb_parse_opts_str);
Eric Parisc9180a52007-11-30 13:00:35 -0500298
James Morris20510f22007-10-16 23:31:32 -0700299int security_inode_alloc(struct inode *inode)
300{
301 inode->i_security = NULL;
Eric Parisbc7d2a32010-10-25 14:42:05 -0400302 return security_ops->inode_alloc_security(inode);
James Morris20510f22007-10-16 23:31:32 -0700303}
304
305void security_inode_free(struct inode *inode)
306{
Mimi Zoharf381c272011-03-09 14:13:22 -0500307 integrity_inode_free(inode);
James Morris20510f22007-10-16 23:31:32 -0700308 security_ops->inode_free_security(inode);
309}
310
311int security_inode_init_security(struct inode *inode, struct inode *dir,
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400312 const struct qstr *qstr,
313 const initxattrs initxattrs, void *fs_data)
314{
Mimi Zohar823eb1c2011-06-15 21:19:10 -0400315 struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
316 struct xattr *lsm_xattr, *evm_xattr, *xattr;
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400317 int ret;
318
319 if (unlikely(IS_PRIVATE(inode)))
Mimi Zoharfb88c2b2011-08-15 10:13:18 -0400320 return 0;
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400321
322 memset(new_xattrs, 0, sizeof new_xattrs);
323 if (!initxattrs)
324 return security_ops->inode_init_security(inode, dir, qstr,
325 NULL, NULL, NULL);
326 lsm_xattr = new_xattrs;
327 ret = security_ops->inode_init_security(inode, dir, qstr,
328 &lsm_xattr->name,
329 &lsm_xattr->value,
330 &lsm_xattr->value_len);
331 if (ret)
332 goto out;
Mimi Zohar823eb1c2011-06-15 21:19:10 -0400333
334 evm_xattr = lsm_xattr + 1;
335 ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
336 if (ret)
337 goto out;
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400338 ret = initxattrs(inode, new_xattrs, fs_data);
339out:
Mimi Zohar823eb1c2011-06-15 21:19:10 -0400340 for (xattr = new_xattrs; xattr->name != NULL; xattr++) {
341 kfree(xattr->name);
342 kfree(xattr->value);
343 }
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400344 return (ret == -EOPNOTSUPP) ? 0 : ret;
345}
346EXPORT_SYMBOL(security_inode_init_security);
347
348int security_old_inode_init_security(struct inode *inode, struct inode *dir,
349 const struct qstr *qstr, char **name,
350 void **value, size_t *len)
James Morris20510f22007-10-16 23:31:32 -0700351{
352 if (unlikely(IS_PRIVATE(inode)))
Jan Kara30e05322012-01-03 13:14:29 +0100353 return -EOPNOTSUPP;
Eric Paris2a7dba32011-02-01 11:05:39 -0500354 return security_ops->inode_init_security(inode, dir, qstr, name, value,
355 len);
James Morris20510f22007-10-16 23:31:32 -0700356}
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400357EXPORT_SYMBOL(security_old_inode_init_security);
James Morris20510f22007-10-16 23:31:32 -0700358
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900359#ifdef CONFIG_SECURITY_PATH
Al Viro04fc66e2011-11-21 14:58:38 -0500360int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900361 unsigned int dev)
362{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900363 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900364 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900365 return security_ops->path_mknod(dir, dentry, mode, dev);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900366}
367EXPORT_SYMBOL(security_path_mknod);
368
Al Viro4572bef2011-11-21 14:56:21 -0500369int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900370{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900371 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900372 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900373 return security_ops->path_mkdir(dir, dentry, mode);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900374}
David Howells82140442010-12-24 14:48:35 +0000375EXPORT_SYMBOL(security_path_mkdir);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900376
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900377int security_path_rmdir(struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900378{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900379 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900380 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900381 return security_ops->path_rmdir(dir, dentry);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900382}
383
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900384int security_path_unlink(struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900385{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900386 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900387 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900388 return security_ops->path_unlink(dir, dentry);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900389}
David Howells82140442010-12-24 14:48:35 +0000390EXPORT_SYMBOL(security_path_unlink);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900391
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900392int security_path_symlink(struct path *dir, struct dentry *dentry,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900393 const char *old_name)
394{
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900395 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900396 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900397 return security_ops->path_symlink(dir, dentry, old_name);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900398}
399
400int security_path_link(struct dentry *old_dentry, struct path *new_dir,
401 struct dentry *new_dentry)
402{
403 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
404 return 0;
405 return security_ops->path_link(old_dentry, new_dir, new_dentry);
406}
407
408int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
409 struct path *new_dir, struct dentry *new_dentry)
410{
411 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
412 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
413 return 0;
414 return security_ops->path_rename(old_dir, old_dentry, new_dir,
415 new_dentry);
416}
David Howells82140442010-12-24 14:48:35 +0000417EXPORT_SYMBOL(security_path_rename);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900418
Tetsuo Handaea0d3ab2010-06-02 13:24:43 +0900419int security_path_truncate(struct path *path)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900420{
421 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
422 return 0;
Tetsuo Handaea0d3ab2010-06-02 13:24:43 +0900423 return security_ops->path_truncate(path);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900424}
Tetsuo Handa89eda062009-10-04 21:49:47 +0900425
Al Virocdcf1162011-12-08 10:51:53 -0500426int security_path_chmod(struct path *path, umode_t mode)
Tetsuo Handa89eda062009-10-04 21:49:47 +0900427{
Al Virocdcf1162011-12-08 10:51:53 -0500428 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
Tetsuo Handa89eda062009-10-04 21:49:47 +0900429 return 0;
Al Virocdcf1162011-12-08 10:51:53 -0500430 return security_ops->path_chmod(path, mode);
Tetsuo Handa89eda062009-10-04 21:49:47 +0900431}
432
433int security_path_chown(struct path *path, uid_t uid, gid_t gid)
434{
435 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
436 return 0;
437 return security_ops->path_chown(path, uid, gid);
438}
Tetsuo Handa8b8efb42009-10-04 21:49:48 +0900439
440int security_path_chroot(struct path *path)
441{
442 return security_ops->path_chroot(path);
443}
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900444#endif
445
Al Viro4acdaf22011-07-26 01:42:34 -0400446int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
James Morris20510f22007-10-16 23:31:32 -0700447{
448 if (unlikely(IS_PRIVATE(dir)))
449 return 0;
450 return security_ops->inode_create(dir, dentry, mode);
451}
David Howells800a9642009-04-03 16:42:40 +0100452EXPORT_SYMBOL_GPL(security_inode_create);
James Morris20510f22007-10-16 23:31:32 -0700453
454int security_inode_link(struct dentry *old_dentry, struct inode *dir,
455 struct dentry *new_dentry)
456{
457 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
458 return 0;
459 return security_ops->inode_link(old_dentry, dir, new_dentry);
460}
461
462int security_inode_unlink(struct inode *dir, struct dentry *dentry)
463{
464 if (unlikely(IS_PRIVATE(dentry->d_inode)))
465 return 0;
466 return security_ops->inode_unlink(dir, dentry);
467}
468
469int security_inode_symlink(struct inode *dir, struct dentry *dentry,
470 const char *old_name)
471{
472 if (unlikely(IS_PRIVATE(dir)))
473 return 0;
474 return security_ops->inode_symlink(dir, dentry, old_name);
475}
476
Al Viro18bb1db2011-07-26 01:41:39 -0400477int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
James Morris20510f22007-10-16 23:31:32 -0700478{
479 if (unlikely(IS_PRIVATE(dir)))
480 return 0;
481 return security_ops->inode_mkdir(dir, dentry, mode);
482}
David Howells800a9642009-04-03 16:42:40 +0100483EXPORT_SYMBOL_GPL(security_inode_mkdir);
James Morris20510f22007-10-16 23:31:32 -0700484
485int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
486{
487 if (unlikely(IS_PRIVATE(dentry->d_inode)))
488 return 0;
489 return security_ops->inode_rmdir(dir, dentry);
490}
491
Al Viro1a67aaf2011-07-26 01:52:52 -0400492int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
James Morris20510f22007-10-16 23:31:32 -0700493{
494 if (unlikely(IS_PRIVATE(dir)))
495 return 0;
496 return security_ops->inode_mknod(dir, dentry, mode, dev);
497}
498
499int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
500 struct inode *new_dir, struct dentry *new_dentry)
501{
502 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
503 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
504 return 0;
505 return security_ops->inode_rename(old_dir, old_dentry,
506 new_dir, new_dentry);
507}
508
509int security_inode_readlink(struct dentry *dentry)
510{
511 if (unlikely(IS_PRIVATE(dentry->d_inode)))
512 return 0;
513 return security_ops->inode_readlink(dentry);
514}
515
516int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
517{
518 if (unlikely(IS_PRIVATE(dentry->d_inode)))
519 return 0;
520 return security_ops->inode_follow_link(dentry, nd);
521}
522
Al Virob77b0642008-07-17 09:37:02 -0400523int security_inode_permission(struct inode *inode, int mask)
James Morris20510f22007-10-16 23:31:32 -0700524{
525 if (unlikely(IS_PRIVATE(inode)))
526 return 0;
Al Viroe74f71e2011-06-20 19:38:15 -0400527 return security_ops->inode_permission(inode, mask);
James Morris20510f22007-10-16 23:31:32 -0700528}
529
530int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
531{
Mimi Zohar817b54a2011-05-13 12:53:38 -0400532 int ret;
533
James Morris20510f22007-10-16 23:31:32 -0700534 if (unlikely(IS_PRIVATE(dentry->d_inode)))
535 return 0;
Mimi Zohar817b54a2011-05-13 12:53:38 -0400536 ret = security_ops->inode_setattr(dentry, attr);
537 if (ret)
538 return ret;
539 return evm_inode_setattr(dentry, attr);
James Morris20510f22007-10-16 23:31:32 -0700540}
Miklos Szeredib1da47e2008-07-01 15:01:28 +0200541EXPORT_SYMBOL_GPL(security_inode_setattr);
James Morris20510f22007-10-16 23:31:32 -0700542
543int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
544{
545 if (unlikely(IS_PRIVATE(dentry->d_inode)))
546 return 0;
547 return security_ops->inode_getattr(mnt, dentry);
548}
549
David Howells8f0cfa52008-04-29 00:59:41 -0700550int security_inode_setxattr(struct dentry *dentry, const char *name,
551 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700552{
Mimi Zohar3e1be522011-03-09 14:38:26 -0500553 int ret;
554
James Morris20510f22007-10-16 23:31:32 -0700555 if (unlikely(IS_PRIVATE(dentry->d_inode)))
556 return 0;
Mimi Zohar3e1be522011-03-09 14:38:26 -0500557 ret = security_ops->inode_setxattr(dentry, name, value, size, flags);
558 if (ret)
559 return ret;
560 return evm_inode_setxattr(dentry, name, value, size);
James Morris20510f22007-10-16 23:31:32 -0700561}
562
David Howells8f0cfa52008-04-29 00:59:41 -0700563void security_inode_post_setxattr(struct dentry *dentry, const char *name,
564 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700565{
566 if (unlikely(IS_PRIVATE(dentry->d_inode)))
567 return;
568 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
Mimi Zohar3e1be522011-03-09 14:38:26 -0500569 evm_inode_post_setxattr(dentry, name, value, size);
James Morris20510f22007-10-16 23:31:32 -0700570}
571
David Howells8f0cfa52008-04-29 00:59:41 -0700572int security_inode_getxattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700573{
574 if (unlikely(IS_PRIVATE(dentry->d_inode)))
575 return 0;
576 return security_ops->inode_getxattr(dentry, name);
577}
578
579int security_inode_listxattr(struct dentry *dentry)
580{
581 if (unlikely(IS_PRIVATE(dentry->d_inode)))
582 return 0;
583 return security_ops->inode_listxattr(dentry);
584}
585
David Howells8f0cfa52008-04-29 00:59:41 -0700586int security_inode_removexattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700587{
Mimi Zohar3e1be522011-03-09 14:38:26 -0500588 int ret;
589
James Morris20510f22007-10-16 23:31:32 -0700590 if (unlikely(IS_PRIVATE(dentry->d_inode)))
591 return 0;
Mimi Zohar3e1be522011-03-09 14:38:26 -0500592 ret = security_ops->inode_removexattr(dentry, name);
593 if (ret)
594 return ret;
595 return evm_inode_removexattr(dentry, name);
James Morris20510f22007-10-16 23:31:32 -0700596}
597
Serge E. Hallynb5376772007-10-16 23:31:36 -0700598int security_inode_need_killpriv(struct dentry *dentry)
599{
600 return security_ops->inode_need_killpriv(dentry);
601}
602
603int security_inode_killpriv(struct dentry *dentry)
604{
605 return security_ops->inode_killpriv(dentry);
606}
607
David P. Quigley42492592008-02-04 22:29:39 -0800608int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
James Morris20510f22007-10-16 23:31:32 -0700609{
610 if (unlikely(IS_PRIVATE(inode)))
James Morris8d952502010-01-14 09:33:28 +1100611 return -EOPNOTSUPP;
David P. Quigley42492592008-02-04 22:29:39 -0800612 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
James Morris20510f22007-10-16 23:31:32 -0700613}
614
615int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
616{
617 if (unlikely(IS_PRIVATE(inode)))
James Morris8d952502010-01-14 09:33:28 +1100618 return -EOPNOTSUPP;
James Morris20510f22007-10-16 23:31:32 -0700619 return security_ops->inode_setsecurity(inode, name, value, size, flags);
620}
621
622int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
623{
624 if (unlikely(IS_PRIVATE(inode)))
625 return 0;
626 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
627}
628
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200629void security_inode_getsecid(const struct inode *inode, u32 *secid)
630{
631 security_ops->inode_getsecid(inode, secid);
632}
633
James Morris20510f22007-10-16 23:31:32 -0700634int security_file_permission(struct file *file, int mask)
635{
Eric Parisc4ec54b2009-12-17 21:24:34 -0500636 int ret;
637
638 ret = security_ops->file_permission(file, mask);
639 if (ret)
640 return ret;
641
642 return fsnotify_perm(file, mask);
James Morris20510f22007-10-16 23:31:32 -0700643}
644
645int security_file_alloc(struct file *file)
646{
647 return security_ops->file_alloc_security(file);
648}
649
650void security_file_free(struct file *file)
651{
652 security_ops->file_free_security(file);
653}
654
655int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
656{
657 return security_ops->file_ioctl(file, cmd, arg);
658}
659
660int security_file_mmap(struct file *file, unsigned long reqprot,
661 unsigned long prot, unsigned long flags,
662 unsigned long addr, unsigned long addr_only)
663{
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400664 int ret;
665
666 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
667 if (ret)
668 return ret;
669 return ima_file_mmap(file, prot);
James Morris20510f22007-10-16 23:31:32 -0700670}
671
672int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
673 unsigned long prot)
674{
675 return security_ops->file_mprotect(vma, reqprot, prot);
676}
677
678int security_file_lock(struct file *file, unsigned int cmd)
679{
680 return security_ops->file_lock(file, cmd);
681}
682
683int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
684{
685 return security_ops->file_fcntl(file, cmd, arg);
686}
687
688int security_file_set_fowner(struct file *file)
689{
690 return security_ops->file_set_fowner(file);
691}
692
693int security_file_send_sigiotask(struct task_struct *tsk,
694 struct fown_struct *fown, int sig)
695{
696 return security_ops->file_send_sigiotask(tsk, fown, sig);
697}
698
699int security_file_receive(struct file *file)
700{
701 return security_ops->file_receive(file);
702}
703
Eric Paris83d49852012-04-04 13:45:40 -0400704int security_file_open(struct file *file, const struct cred *cred)
James Morris20510f22007-10-16 23:31:32 -0700705{
Eric Parisc4ec54b2009-12-17 21:24:34 -0500706 int ret;
707
Eric Paris83d49852012-04-04 13:45:40 -0400708 ret = security_ops->file_open(file, cred);
Eric Parisc4ec54b2009-12-17 21:24:34 -0500709 if (ret)
710 return ret;
711
712 return fsnotify_perm(file, MAY_OPEN);
James Morris20510f22007-10-16 23:31:32 -0700713}
714
715int security_task_create(unsigned long clone_flags)
716{
717 return security_ops->task_create(clone_flags);
718}
719
Kees Cook1a2a4d02011-12-21 12:17:03 -0800720void security_task_free(struct task_struct *task)
721{
722 security_ops->task_free(task);
723}
724
David Howellsee18d642009-09-02 09:14:21 +0100725int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
726{
727 return security_ops->cred_alloc_blank(cred, gfp);
728}
729
David Howellsf1752ee2008-11-14 10:39:17 +1100730void security_cred_free(struct cred *cred)
James Morris20510f22007-10-16 23:31:32 -0700731{
David Howellsf1752ee2008-11-14 10:39:17 +1100732 security_ops->cred_free(cred);
James Morris20510f22007-10-16 23:31:32 -0700733}
734
David Howellsd84f4f92008-11-14 10:39:23 +1100735int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
736{
737 return security_ops->cred_prepare(new, old, gfp);
738}
739
David Howellsee18d642009-09-02 09:14:21 +0100740void security_transfer_creds(struct cred *new, const struct cred *old)
741{
742 security_ops->cred_transfer(new, old);
743}
744
David Howells3a3b7ce2008-11-14 10:39:28 +1100745int security_kernel_act_as(struct cred *new, u32 secid)
746{
747 return security_ops->kernel_act_as(new, secid);
748}
749
750int security_kernel_create_files_as(struct cred *new, struct inode *inode)
751{
752 return security_ops->kernel_create_files_as(new, inode);
753}
754
Eric Parisdd8dbf22009-11-03 16:35:32 +1100755int security_kernel_module_request(char *kmod_name)
Eric Paris91884992009-08-13 09:44:57 -0400756{
Eric Parisdd8dbf22009-11-03 16:35:32 +1100757 return security_ops->kernel_module_request(kmod_name);
Eric Paris91884992009-08-13 09:44:57 -0400758}
759
David Howellsd84f4f92008-11-14 10:39:23 +1100760int security_task_fix_setuid(struct cred *new, const struct cred *old,
761 int flags)
James Morris20510f22007-10-16 23:31:32 -0700762{
David Howellsd84f4f92008-11-14 10:39:23 +1100763 return security_ops->task_fix_setuid(new, old, flags);
James Morris20510f22007-10-16 23:31:32 -0700764}
765
James Morris20510f22007-10-16 23:31:32 -0700766int security_task_setpgid(struct task_struct *p, pid_t pgid)
767{
768 return security_ops->task_setpgid(p, pgid);
769}
770
771int security_task_getpgid(struct task_struct *p)
772{
773 return security_ops->task_getpgid(p);
774}
775
776int security_task_getsid(struct task_struct *p)
777{
778 return security_ops->task_getsid(p);
779}
780
781void security_task_getsecid(struct task_struct *p, u32 *secid)
782{
783 security_ops->task_getsecid(p, secid);
784}
785EXPORT_SYMBOL(security_task_getsecid);
786
James Morris20510f22007-10-16 23:31:32 -0700787int security_task_setnice(struct task_struct *p, int nice)
788{
789 return security_ops->task_setnice(p, nice);
790}
791
792int security_task_setioprio(struct task_struct *p, int ioprio)
793{
794 return security_ops->task_setioprio(p, ioprio);
795}
796
797int security_task_getioprio(struct task_struct *p)
798{
799 return security_ops->task_getioprio(p);
800}
801
Jiri Slaby8fd00b42009-08-26 18:41:16 +0200802int security_task_setrlimit(struct task_struct *p, unsigned int resource,
803 struct rlimit *new_rlim)
James Morris20510f22007-10-16 23:31:32 -0700804{
Jiri Slaby8fd00b42009-08-26 18:41:16 +0200805 return security_ops->task_setrlimit(p, resource, new_rlim);
James Morris20510f22007-10-16 23:31:32 -0700806}
807
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +0900808int security_task_setscheduler(struct task_struct *p)
James Morris20510f22007-10-16 23:31:32 -0700809{
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +0900810 return security_ops->task_setscheduler(p);
James Morris20510f22007-10-16 23:31:32 -0700811}
812
813int security_task_getscheduler(struct task_struct *p)
814{
815 return security_ops->task_getscheduler(p);
816}
817
818int security_task_movememory(struct task_struct *p)
819{
820 return security_ops->task_movememory(p);
821}
822
823int security_task_kill(struct task_struct *p, struct siginfo *info,
824 int sig, u32 secid)
825{
826 return security_ops->task_kill(p, info, sig, secid);
827}
828
829int security_task_wait(struct task_struct *p)
830{
831 return security_ops->task_wait(p);
832}
833
834int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
David Howellsd84f4f92008-11-14 10:39:23 +1100835 unsigned long arg4, unsigned long arg5)
James Morris20510f22007-10-16 23:31:32 -0700836{
David Howellsd84f4f92008-11-14 10:39:23 +1100837 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
James Morris20510f22007-10-16 23:31:32 -0700838}
839
840void security_task_to_inode(struct task_struct *p, struct inode *inode)
841{
842 security_ops->task_to_inode(p, inode);
843}
844
845int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
846{
847 return security_ops->ipc_permission(ipcp, flag);
848}
849
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200850void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
851{
852 security_ops->ipc_getsecid(ipcp, secid);
853}
854
James Morris20510f22007-10-16 23:31:32 -0700855int security_msg_msg_alloc(struct msg_msg *msg)
856{
857 return security_ops->msg_msg_alloc_security(msg);
858}
859
860void security_msg_msg_free(struct msg_msg *msg)
861{
862 security_ops->msg_msg_free_security(msg);
863}
864
865int security_msg_queue_alloc(struct msg_queue *msq)
866{
867 return security_ops->msg_queue_alloc_security(msq);
868}
869
870void security_msg_queue_free(struct msg_queue *msq)
871{
872 security_ops->msg_queue_free_security(msq);
873}
874
875int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
876{
877 return security_ops->msg_queue_associate(msq, msqflg);
878}
879
880int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
881{
882 return security_ops->msg_queue_msgctl(msq, cmd);
883}
884
885int security_msg_queue_msgsnd(struct msg_queue *msq,
886 struct msg_msg *msg, int msqflg)
887{
888 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
889}
890
891int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
892 struct task_struct *target, long type, int mode)
893{
894 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
895}
896
897int security_shm_alloc(struct shmid_kernel *shp)
898{
899 return security_ops->shm_alloc_security(shp);
900}
901
902void security_shm_free(struct shmid_kernel *shp)
903{
904 security_ops->shm_free_security(shp);
905}
906
907int security_shm_associate(struct shmid_kernel *shp, int shmflg)
908{
909 return security_ops->shm_associate(shp, shmflg);
910}
911
912int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
913{
914 return security_ops->shm_shmctl(shp, cmd);
915}
916
917int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
918{
919 return security_ops->shm_shmat(shp, shmaddr, shmflg);
920}
921
922int security_sem_alloc(struct sem_array *sma)
923{
924 return security_ops->sem_alloc_security(sma);
925}
926
927void security_sem_free(struct sem_array *sma)
928{
929 security_ops->sem_free_security(sma);
930}
931
932int security_sem_associate(struct sem_array *sma, int semflg)
933{
934 return security_ops->sem_associate(sma, semflg);
935}
936
937int security_sem_semctl(struct sem_array *sma, int cmd)
938{
939 return security_ops->sem_semctl(sma, cmd);
940}
941
942int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
943 unsigned nsops, int alter)
944{
945 return security_ops->sem_semop(sma, sops, nsops, alter);
946}
947
948void security_d_instantiate(struct dentry *dentry, struct inode *inode)
949{
950 if (unlikely(inode && IS_PRIVATE(inode)))
951 return;
952 security_ops->d_instantiate(dentry, inode);
953}
954EXPORT_SYMBOL(security_d_instantiate);
955
956int security_getprocattr(struct task_struct *p, char *name, char **value)
957{
958 return security_ops->getprocattr(p, name, value);
959}
960
961int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
962{
963 return security_ops->setprocattr(p, name, value, size);
964}
965
966int security_netlink_send(struct sock *sk, struct sk_buff *skb)
967{
968 return security_ops->netlink_send(sk, skb);
969}
James Morris20510f22007-10-16 23:31:32 -0700970
James Morris20510f22007-10-16 23:31:32 -0700971int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
972{
973 return security_ops->secid_to_secctx(secid, secdata, seclen);
974}
975EXPORT_SYMBOL(security_secid_to_secctx);
976
David Howells7bf570d2008-04-29 20:52:51 +0100977int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
David Howells63cb3442008-01-15 23:47:35 +0000978{
979 return security_ops->secctx_to_secid(secdata, seclen, secid);
980}
981EXPORT_SYMBOL(security_secctx_to_secid);
982
James Morris20510f22007-10-16 23:31:32 -0700983void security_release_secctx(char *secdata, u32 seclen)
984{
James Morris65fc7662008-06-12 01:00:10 +1000985 security_ops->release_secctx(secdata, seclen);
James Morris20510f22007-10-16 23:31:32 -0700986}
987EXPORT_SYMBOL(security_release_secctx);
988
David P. Quigley1ee65e32009-09-03 14:25:57 -0400989int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
990{
991 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
992}
993EXPORT_SYMBOL(security_inode_notifysecctx);
994
995int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
996{
997 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
998}
999EXPORT_SYMBOL(security_inode_setsecctx);
1000
1001int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1002{
1003 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1004}
1005EXPORT_SYMBOL(security_inode_getsecctx);
1006
James Morris20510f22007-10-16 23:31:32 -07001007#ifdef CONFIG_SECURITY_NETWORK
1008
David S. Miller3610cda2011-01-05 15:38:53 -08001009int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
James Morris20510f22007-10-16 23:31:32 -07001010{
1011 return security_ops->unix_stream_connect(sock, other, newsk);
1012}
1013EXPORT_SYMBOL(security_unix_stream_connect);
1014
1015int security_unix_may_send(struct socket *sock, struct socket *other)
1016{
1017 return security_ops->unix_may_send(sock, other);
1018}
1019EXPORT_SYMBOL(security_unix_may_send);
1020
1021int security_socket_create(int family, int type, int protocol, int kern)
1022{
1023 return security_ops->socket_create(family, type, protocol, kern);
1024}
1025
1026int security_socket_post_create(struct socket *sock, int family,
1027 int type, int protocol, int kern)
1028{
1029 return security_ops->socket_post_create(sock, family, type,
1030 protocol, kern);
1031}
1032
1033int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1034{
1035 return security_ops->socket_bind(sock, address, addrlen);
1036}
1037
1038int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1039{
1040 return security_ops->socket_connect(sock, address, addrlen);
1041}
1042
1043int security_socket_listen(struct socket *sock, int backlog)
1044{
1045 return security_ops->socket_listen(sock, backlog);
1046}
1047
1048int security_socket_accept(struct socket *sock, struct socket *newsock)
1049{
1050 return security_ops->socket_accept(sock, newsock);
1051}
1052
James Morris20510f22007-10-16 23:31:32 -07001053int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1054{
1055 return security_ops->socket_sendmsg(sock, msg, size);
1056}
1057
1058int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1059 int size, int flags)
1060{
1061 return security_ops->socket_recvmsg(sock, msg, size, flags);
1062}
1063
1064int security_socket_getsockname(struct socket *sock)
1065{
1066 return security_ops->socket_getsockname(sock);
1067}
1068
1069int security_socket_getpeername(struct socket *sock)
1070{
1071 return security_ops->socket_getpeername(sock);
1072}
1073
1074int security_socket_getsockopt(struct socket *sock, int level, int optname)
1075{
1076 return security_ops->socket_getsockopt(sock, level, optname);
1077}
1078
1079int security_socket_setsockopt(struct socket *sock, int level, int optname)
1080{
1081 return security_ops->socket_setsockopt(sock, level, optname);
1082}
1083
1084int security_socket_shutdown(struct socket *sock, int how)
1085{
1086 return security_ops->socket_shutdown(sock, how);
1087}
1088
1089int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1090{
1091 return security_ops->socket_sock_rcv_skb(sk, skb);
1092}
1093EXPORT_SYMBOL(security_sock_rcv_skb);
1094
1095int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1096 int __user *optlen, unsigned len)
1097{
1098 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1099}
1100
1101int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1102{
1103 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1104}
1105EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1106
1107int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1108{
1109 return security_ops->sk_alloc_security(sk, family, priority);
1110}
1111
1112void security_sk_free(struct sock *sk)
1113{
James Morris65fc7662008-06-12 01:00:10 +10001114 security_ops->sk_free_security(sk);
James Morris20510f22007-10-16 23:31:32 -07001115}
1116
1117void security_sk_clone(const struct sock *sk, struct sock *newsk)
1118{
James Morris65fc7662008-06-12 01:00:10 +10001119 security_ops->sk_clone_security(sk, newsk);
James Morris20510f22007-10-16 23:31:32 -07001120}
Paul Moore6230c9b2011-10-07 09:40:59 +00001121EXPORT_SYMBOL(security_sk_clone);
James Morris20510f22007-10-16 23:31:32 -07001122
1123void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1124{
David S. Miller1d28f422011-03-12 00:29:39 -05001125 security_ops->sk_getsecid(sk, &fl->flowi_secid);
James Morris20510f22007-10-16 23:31:32 -07001126}
1127EXPORT_SYMBOL(security_sk_classify_flow);
1128
1129void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1130{
1131 security_ops->req_classify_flow(req, fl);
1132}
1133EXPORT_SYMBOL(security_req_classify_flow);
1134
1135void security_sock_graft(struct sock *sk, struct socket *parent)
1136{
1137 security_ops->sock_graft(sk, parent);
1138}
1139EXPORT_SYMBOL(security_sock_graft);
1140
1141int security_inet_conn_request(struct sock *sk,
1142 struct sk_buff *skb, struct request_sock *req)
1143{
1144 return security_ops->inet_conn_request(sk, skb, req);
1145}
1146EXPORT_SYMBOL(security_inet_conn_request);
1147
1148void security_inet_csk_clone(struct sock *newsk,
1149 const struct request_sock *req)
1150{
1151 security_ops->inet_csk_clone(newsk, req);
1152}
1153
1154void security_inet_conn_established(struct sock *sk,
1155 struct sk_buff *skb)
1156{
1157 security_ops->inet_conn_established(sk, skb);
1158}
1159
Eric Paris2606fd12010-10-13 16:24:41 -04001160int security_secmark_relabel_packet(u32 secid)
1161{
1162 return security_ops->secmark_relabel_packet(secid);
1163}
1164EXPORT_SYMBOL(security_secmark_relabel_packet);
1165
1166void security_secmark_refcount_inc(void)
1167{
1168 security_ops->secmark_refcount_inc();
1169}
1170EXPORT_SYMBOL(security_secmark_refcount_inc);
1171
1172void security_secmark_refcount_dec(void)
1173{
1174 security_ops->secmark_refcount_dec();
1175}
1176EXPORT_SYMBOL(security_secmark_refcount_dec);
1177
Paul Moore2b980db2009-08-28 18:12:43 -04001178int security_tun_dev_create(void)
1179{
1180 return security_ops->tun_dev_create();
1181}
1182EXPORT_SYMBOL(security_tun_dev_create);
1183
1184void security_tun_dev_post_create(struct sock *sk)
1185{
1186 return security_ops->tun_dev_post_create(sk);
1187}
1188EXPORT_SYMBOL(security_tun_dev_post_create);
1189
1190int security_tun_dev_attach(struct sock *sk)
1191{
1192 return security_ops->tun_dev_attach(sk);
1193}
1194EXPORT_SYMBOL(security_tun_dev_attach);
1195
James Morris20510f22007-10-16 23:31:32 -07001196#endif /* CONFIG_SECURITY_NETWORK */
1197
1198#ifdef CONFIG_SECURITY_NETWORK_XFRM
1199
Paul Moore03e1ad72008-04-12 19:07:52 -07001200int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
James Morris20510f22007-10-16 23:31:32 -07001201{
Paul Moore03e1ad72008-04-12 19:07:52 -07001202 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
James Morris20510f22007-10-16 23:31:32 -07001203}
1204EXPORT_SYMBOL(security_xfrm_policy_alloc);
1205
Paul Moore03e1ad72008-04-12 19:07:52 -07001206int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1207 struct xfrm_sec_ctx **new_ctxp)
James Morris20510f22007-10-16 23:31:32 -07001208{
Paul Moore03e1ad72008-04-12 19:07:52 -07001209 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
James Morris20510f22007-10-16 23:31:32 -07001210}
1211
Paul Moore03e1ad72008-04-12 19:07:52 -07001212void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001213{
Paul Moore03e1ad72008-04-12 19:07:52 -07001214 security_ops->xfrm_policy_free_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001215}
1216EXPORT_SYMBOL(security_xfrm_policy_free);
1217
Paul Moore03e1ad72008-04-12 19:07:52 -07001218int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001219{
Paul Moore03e1ad72008-04-12 19:07:52 -07001220 return security_ops->xfrm_policy_delete_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001221}
1222
1223int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1224{
1225 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1226}
1227EXPORT_SYMBOL(security_xfrm_state_alloc);
1228
1229int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1230 struct xfrm_sec_ctx *polsec, u32 secid)
1231{
1232 if (!polsec)
1233 return 0;
1234 /*
1235 * We want the context to be taken from secid which is usually
1236 * from the sock.
1237 */
1238 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1239}
1240
1241int security_xfrm_state_delete(struct xfrm_state *x)
1242{
1243 return security_ops->xfrm_state_delete_security(x);
1244}
1245EXPORT_SYMBOL(security_xfrm_state_delete);
1246
1247void security_xfrm_state_free(struct xfrm_state *x)
1248{
1249 security_ops->xfrm_state_free_security(x);
1250}
1251
Paul Moore03e1ad72008-04-12 19:07:52 -07001252int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
James Morris20510f22007-10-16 23:31:32 -07001253{
Paul Moore03e1ad72008-04-12 19:07:52 -07001254 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
James Morris20510f22007-10-16 23:31:32 -07001255}
1256
1257int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
David S. Millere33f7702011-02-22 18:13:15 -08001258 struct xfrm_policy *xp,
1259 const struct flowi *fl)
James Morris20510f22007-10-16 23:31:32 -07001260{
1261 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1262}
1263
1264int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1265{
1266 return security_ops->xfrm_decode_session(skb, secid, 1);
1267}
1268
1269void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1270{
David S. Miller1d28f422011-03-12 00:29:39 -05001271 int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
James Morris20510f22007-10-16 23:31:32 -07001272
1273 BUG_ON(rc);
1274}
1275EXPORT_SYMBOL(security_skb_classify_flow);
1276
1277#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1278
1279#ifdef CONFIG_KEYS
1280
David Howellsd84f4f92008-11-14 10:39:23 +11001281int security_key_alloc(struct key *key, const struct cred *cred,
1282 unsigned long flags)
James Morris20510f22007-10-16 23:31:32 -07001283{
David Howellsd84f4f92008-11-14 10:39:23 +11001284 return security_ops->key_alloc(key, cred, flags);
James Morris20510f22007-10-16 23:31:32 -07001285}
1286
1287void security_key_free(struct key *key)
1288{
1289 security_ops->key_free(key);
1290}
1291
1292int security_key_permission(key_ref_t key_ref,
David Howellsd84f4f92008-11-14 10:39:23 +11001293 const struct cred *cred, key_perm_t perm)
James Morris20510f22007-10-16 23:31:32 -07001294{
David Howellsd84f4f92008-11-14 10:39:23 +11001295 return security_ops->key_permission(key_ref, cred, perm);
James Morris20510f22007-10-16 23:31:32 -07001296}
1297
David Howells70a5bb72008-04-29 01:01:26 -07001298int security_key_getsecurity(struct key *key, char **_buffer)
1299{
1300 return security_ops->key_getsecurity(key, _buffer);
1301}
1302
James Morris20510f22007-10-16 23:31:32 -07001303#endif /* CONFIG_KEYS */
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001304
1305#ifdef CONFIG_AUDIT
1306
1307int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1308{
1309 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1310}
1311
1312int security_audit_rule_known(struct audit_krule *krule)
1313{
1314 return security_ops->audit_rule_known(krule);
1315}
1316
1317void security_audit_rule_free(void *lsmrule)
1318{
1319 security_ops->audit_rule_free(lsmrule);
1320}
1321
1322int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1323 struct audit_context *actx)
1324{
1325 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1326}
1327
1328#endif /* CONFIG_AUDIT */