blob: 8e9b1f4b9b45dfac98287fe969b869a3a29fb2bc [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>
David Quigleyd47be3d2013-05-22 12:50:34 -040015#include <linux/dcache.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070016#include <linux/module.h>
17#include <linux/init.h>
18#include <linux/kernel.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#include <linux/security.h>
Mimi Zoharf381c272011-03-09 14:13:22 -050020#include <linux/integrity.h>
Mimi Zohar6c21a7f2009-10-22 17:30:13 -040021#include <linux/ima.h>
Mimi Zohar3e1be522011-03-09 14:38:26 -050022#include <linux/evm.h>
Al Viro40401532012-02-13 03:58:52 +000023#include <linux/fsnotify.h>
Al Viro8b3ec682012-05-30 17:11:23 -040024#include <linux/mman.h>
25#include <linux/mount.h>
26#include <linux/personality.h>
Paul Mundt75331a52012-07-02 14:34:11 +090027#include <linux/backing-dev.h>
Al Viro40401532012-02-13 03:58:52 +000028#include <net/flow.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
Mimi Zohar823eb1c2011-06-15 21:19:10 -040030#define MAX_LSM_EVM_XATTR 2
Linus Torvalds1da177e2005-04-16 15:20:36 -070031
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020032/* Boot-time LSM user choice */
John Johansen6e65f922009-11-05 17:03:20 -080033static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
34 CONFIG_DEFAULT_SECURITY;
Linus Torvalds1da177e2005-04-16 15:20:36 -070035
wzt.wzt@gmail.com189b3b12010-02-23 23:15:28 +080036static struct security_operations *security_ops;
37static struct security_operations default_security_ops = {
38 .name = "default",
39};
Eric Parisa5ecbcb2008-01-31 15:11:22 -050040
Tetsuo Handac80901f2010-05-14 12:01:26 +090041static inline int __init verify(struct security_operations *ops)
Linus Torvalds1da177e2005-04-16 15:20:36 -070042{
43 /* verify the security_operations structure exists */
44 if (!ops)
45 return -EINVAL;
46 security_fixup_ops(ops);
47 return 0;
48}
49
50static void __init do_security_initcalls(void)
51{
52 initcall_t *call;
53 call = __security_initcall_start;
54 while (call < __security_initcall_end) {
55 (*call) ();
56 call++;
57 }
58}
59
60/**
61 * security_init - initializes the security framework
62 *
63 * This should be called early in the kernel initialization sequence.
64 */
65int __init security_init(void)
66{
James Morris20510f22007-10-16 23:31:32 -070067 printk(KERN_INFO "Security Framework initialized\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070068
Miklos Szeredi5915eb52008-07-03 20:56:05 +020069 security_fixup_ops(&default_security_ops);
70 security_ops = &default_security_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070071 do_security_initcalls();
72
73 return 0;
74}
75
wzt.wzt@gmail.com189b3b12010-02-23 23:15:28 +080076void reset_security_ops(void)
77{
78 security_ops = &default_security_ops;
79}
80
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020081/* Save user chosen LSM */
82static int __init choose_lsm(char *str)
83{
84 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
85 return 1;
86}
87__setup("security=", choose_lsm);
88
89/**
90 * security_module_enable - Load given security module on boot ?
91 * @ops: a pointer to the struct security_operations that is to be checked.
92 *
93 * Each LSM must pass this method before registering its own operations
94 * to avoid security registration races. This method may also be used
James Morris7cea51b2008-03-07 12:23:49 +110095 * to check if your LSM is currently loaded during kernel initialization.
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020096 *
97 * Return true if:
98 * -The passed LSM is the one chosen by user at boot time,
John Johansen6e65f922009-11-05 17:03:20 -080099 * -or the passed LSM is configured as the default and the user did not
Tetsuo Handa065d78a2010-08-28 14:58:44 +0900100 * choose an alternate LSM at boot time.
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +0200101 * Otherwise, return false.
102 */
103int __init security_module_enable(struct security_operations *ops)
104{
Tetsuo Handa065d78a2010-08-28 14:58:44 +0900105 return !strcmp(ops->name, chosen_lsm);
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +0200106}
107
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108/**
109 * register_security - registers a security framework with the kernel
110 * @ops: a pointer to the struct security_options that is to be registered
111 *
Randy Dunlap3f23d812008-08-17 21:44:22 -0700112 * This function allows a security module to register itself with the
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113 * kernel security subsystem. Some rudimentary checking is done on the @ops
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +0200114 * value passed to this function. You'll need to check first if your LSM
115 * is allowed to register its @ops by calling security_module_enable(@ops).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116 *
117 * If there is already a security module registered with the kernel,
Randy Dunlap3f23d812008-08-17 21:44:22 -0700118 * an error will be returned. Otherwise %0 is returned on success.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119 */
wzt.wzt@gmail.comc1e992b2010-02-26 22:49:55 +0800120int __init register_security(struct security_operations *ops)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121{
122 if (verify(ops)) {
123 printk(KERN_DEBUG "%s could not verify "
Harvey Harrisondd6f9532008-03-06 10:03:59 +1100124 "security_operations structure.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125 return -EINVAL;
126 }
127
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200128 if (security_ops != &default_security_ops)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129 return -EAGAIN;
130
131 security_ops = ops;
132
133 return 0;
134}
135
James Morris20510f22007-10-16 23:31:32 -0700136/* Security operations */
137
Stephen Smalley79af7302015-01-21 10:54:10 -0500138int security_binder_set_context_mgr(struct task_struct *mgr)
139{
140 return security_ops->binder_set_context_mgr(mgr);
141}
142
143int security_binder_transaction(struct task_struct *from,
144 struct task_struct *to)
145{
146 return security_ops->binder_transaction(from, to);
147}
148
149int security_binder_transfer_binder(struct task_struct *from,
150 struct task_struct *to)
151{
152 return security_ops->binder_transfer_binder(from, to);
153}
154
155int security_binder_transfer_file(struct task_struct *from,
156 struct task_struct *to, struct file *file)
157{
158 return security_ops->binder_transfer_file(from, to, file);
159}
160
Ingo Molnar9e488582009-05-07 19:26:19 +1000161int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
James Morris20510f22007-10-16 23:31:32 -0700162{
Kees Cookc6993e42012-09-04 13:32:13 -0700163#ifdef CONFIG_SECURITY_YAMA_STACKED
164 int rc;
165 rc = yama_ptrace_access_check(child, mode);
166 if (rc)
167 return rc;
168#endif
Ingo Molnar9e488582009-05-07 19:26:19 +1000169 return security_ops->ptrace_access_check(child, mode);
David Howells5cd9c582008-08-14 11:37:28 +0100170}
171
172int security_ptrace_traceme(struct task_struct *parent)
173{
Kees Cookc6993e42012-09-04 13:32:13 -0700174#ifdef CONFIG_SECURITY_YAMA_STACKED
175 int rc;
176 rc = yama_ptrace_traceme(parent);
177 if (rc)
178 return rc;
179#endif
David Howells5cd9c582008-08-14 11:37:28 +0100180 return security_ops->ptrace_traceme(parent);
James Morris20510f22007-10-16 23:31:32 -0700181}
182
183int security_capget(struct task_struct *target,
184 kernel_cap_t *effective,
185 kernel_cap_t *inheritable,
186 kernel_cap_t *permitted)
187{
188 return security_ops->capget(target, effective, inheritable, permitted);
189}
190
David Howellsd84f4f92008-11-14 10:39:23 +1100191int security_capset(struct cred *new, const struct cred *old,
192 const kernel_cap_t *effective,
193 const kernel_cap_t *inheritable,
194 const kernel_cap_t *permitted)
James Morris20510f22007-10-16 23:31:32 -0700195{
David Howellsd84f4f92008-11-14 10:39:23 +1100196 return security_ops->capset(new, old,
197 effective, inheritable, permitted);
James Morris20510f22007-10-16 23:31:32 -0700198}
199
Eric Parisb7e724d2012-01-03 12:25:15 -0500200int security_capable(const struct cred *cred, struct user_namespace *ns,
Serge E. Hallyn34867402011-03-23 16:43:17 -0700201 int cap)
James Morris20510f22007-10-16 23:31:32 -0700202{
Eric Paris6a9de492012-01-03 12:25:14 -0500203 return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT);
Eric Paris06112162008-11-11 22:02:50 +1100204}
205
Eric Parisc7eba4a2012-01-03 12:25:15 -0500206int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
207 int cap)
Eric Paris06112162008-11-11 22:02:50 +1100208{
Eric Parisc7eba4a2012-01-03 12:25:15 -0500209 return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
James Morris20510f22007-10-16 23:31:32 -0700210}
211
James Morris20510f22007-10-16 23:31:32 -0700212int security_quotactl(int cmds, int type, int id, struct super_block *sb)
213{
214 return security_ops->quotactl(cmds, type, id, sb);
215}
216
217int security_quota_on(struct dentry *dentry)
218{
219 return security_ops->quota_on(dentry);
220}
221
Eric Paris12b30522010-11-15 18:36:29 -0500222int security_syslog(int type)
James Morris20510f22007-10-16 23:31:32 -0700223{
Eric Paris12b30522010-11-15 18:36:29 -0500224 return security_ops->syslog(type);
James Morris20510f22007-10-16 23:31:32 -0700225}
226
Richard Cochran1e6d7672011-02-01 13:50:58 +0000227int security_settime(const struct timespec *ts, const struct timezone *tz)
James Morris20510f22007-10-16 23:31:32 -0700228{
229 return security_ops->settime(ts, tz);
230}
231
James Morris20510f22007-10-16 23:31:32 -0700232int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
233{
234 return security_ops->vm_enough_memory(mm, pages);
235}
236
David Howellsa6f76f22008-11-14 10:39:24 +1100237int security_bprm_set_creds(struct linux_binprm *bprm)
James Morris20510f22007-10-16 23:31:32 -0700238{
David Howellsa6f76f22008-11-14 10:39:24 +1100239 return security_ops->bprm_set_creds(bprm);
James Morris20510f22007-10-16 23:31:32 -0700240}
241
242int security_bprm_check(struct linux_binprm *bprm)
243{
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400244 int ret;
245
246 ret = security_ops->bprm_check_security(bprm);
247 if (ret)
248 return ret;
249 return ima_bprm_check(bprm);
James Morris20510f22007-10-16 23:31:32 -0700250}
251
David Howellsa6f76f22008-11-14 10:39:24 +1100252void security_bprm_committing_creds(struct linux_binprm *bprm)
253{
Hannes Eder200036c2008-11-24 22:14:43 +0100254 security_ops->bprm_committing_creds(bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100255}
256
257void security_bprm_committed_creds(struct linux_binprm *bprm)
258{
Hannes Eder200036c2008-11-24 22:14:43 +0100259 security_ops->bprm_committed_creds(bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100260}
261
James Morris20510f22007-10-16 23:31:32 -0700262int security_bprm_secureexec(struct linux_binprm *bprm)
263{
264 return security_ops->bprm_secureexec(bprm);
265}
266
267int security_sb_alloc(struct super_block *sb)
268{
269 return security_ops->sb_alloc_security(sb);
270}
271
272void security_sb_free(struct super_block *sb)
273{
274 security_ops->sb_free_security(sb);
275}
276
Eric Parise0007522008-03-05 10:31:54 -0500277int security_sb_copy_data(char *orig, char *copy)
James Morris20510f22007-10-16 23:31:32 -0700278{
Eric Parise0007522008-03-05 10:31:54 -0500279 return security_ops->sb_copy_data(orig, copy);
James Morris20510f22007-10-16 23:31:32 -0700280}
Eric Parise0007522008-03-05 10:31:54 -0500281EXPORT_SYMBOL(security_sb_copy_data);
James Morris20510f22007-10-16 23:31:32 -0700282
Eric Parisff36fe22011-03-03 16:09:14 -0500283int security_sb_remount(struct super_block *sb, void *data)
284{
285 return security_ops->sb_remount(sb, data);
286}
287
James Morris12204e22008-12-19 10:44:42 +1100288int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
James Morris20510f22007-10-16 23:31:32 -0700289{
James Morris12204e22008-12-19 10:44:42 +1100290 return security_ops->sb_kern_mount(sb, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700291}
292
Eric Paris2069f452008-07-04 09:47:13 +1000293int security_sb_show_options(struct seq_file *m, struct super_block *sb)
294{
295 return security_ops->sb_show_options(m, sb);
296}
297
James Morris20510f22007-10-16 23:31:32 -0700298int security_sb_statfs(struct dentry *dentry)
299{
300 return security_ops->sb_statfs(dentry);
301}
302
Al Viro808d4e32012-10-11 11:42:01 -0400303int security_sb_mount(const char *dev_name, struct path *path,
304 const char *type, unsigned long flags, void *data)
James Morris20510f22007-10-16 23:31:32 -0700305{
Al Virob5266eb2008-03-22 17:48:24 -0400306 return security_ops->sb_mount(dev_name, path, type, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700307}
308
James Morris20510f22007-10-16 23:31:32 -0700309int security_sb_umount(struct vfsmount *mnt, int flags)
310{
311 return security_ops->sb_umount(mnt, flags);
312}
313
Al Virob5266eb2008-03-22 17:48:24 -0400314int security_sb_pivotroot(struct path *old_path, struct path *new_path)
James Morris20510f22007-10-16 23:31:32 -0700315{
Al Virob5266eb2008-03-22 17:48:24 -0400316 return security_ops->sb_pivotroot(old_path, new_path);
James Morris20510f22007-10-16 23:31:32 -0700317}
318
Eric Parisc9180a52007-11-30 13:00:35 -0500319int security_sb_set_mnt_opts(struct super_block *sb,
David Quigley649f6e72013-05-22 12:50:36 -0400320 struct security_mnt_opts *opts,
321 unsigned long kern_flags,
322 unsigned long *set_kern_flags)
Eric Parisc9180a52007-11-30 13:00:35 -0500323{
David Quigley649f6e72013-05-22 12:50:36 -0400324 return security_ops->sb_set_mnt_opts(sb, opts, kern_flags,
325 set_kern_flags);
Eric Parisc9180a52007-11-30 13:00:35 -0500326}
Eric Parise0007522008-03-05 10:31:54 -0500327EXPORT_SYMBOL(security_sb_set_mnt_opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500328
Jeff Layton094f7b62013-04-01 08:14:24 -0400329int security_sb_clone_mnt_opts(const struct super_block *oldsb,
Eric Parisc9180a52007-11-30 13:00:35 -0500330 struct super_block *newsb)
331{
Jeff Layton094f7b62013-04-01 08:14:24 -0400332 return security_ops->sb_clone_mnt_opts(oldsb, newsb);
Eric Parisc9180a52007-11-30 13:00:35 -0500333}
Eric Parise0007522008-03-05 10:31:54 -0500334EXPORT_SYMBOL(security_sb_clone_mnt_opts);
335
336int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
337{
338 return security_ops->sb_parse_opts_str(options, opts);
339}
340EXPORT_SYMBOL(security_sb_parse_opts_str);
Eric Parisc9180a52007-11-30 13:00:35 -0500341
James Morris20510f22007-10-16 23:31:32 -0700342int security_inode_alloc(struct inode *inode)
343{
344 inode->i_security = NULL;
Eric Parisbc7d2a32010-10-25 14:42:05 -0400345 return security_ops->inode_alloc_security(inode);
James Morris20510f22007-10-16 23:31:32 -0700346}
347
348void security_inode_free(struct inode *inode)
349{
Mimi Zoharf381c272011-03-09 14:13:22 -0500350 integrity_inode_free(inode);
James Morris20510f22007-10-16 23:31:32 -0700351 security_ops->inode_free_security(inode);
352}
353
David Quigleyd47be3d2013-05-22 12:50:34 -0400354int security_dentry_init_security(struct dentry *dentry, int mode,
355 struct qstr *name, void **ctx,
356 u32 *ctxlen)
357{
358 return security_ops->dentry_init_security(dentry, mode, name,
359 ctx, ctxlen);
360}
361EXPORT_SYMBOL(security_dentry_init_security);
362
James Morris20510f22007-10-16 23:31:32 -0700363int security_inode_init_security(struct inode *inode, struct inode *dir,
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400364 const struct qstr *qstr,
365 const initxattrs initxattrs, void *fs_data)
366{
Mimi Zohar823eb1c2011-06-15 21:19:10 -0400367 struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
368 struct xattr *lsm_xattr, *evm_xattr, *xattr;
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400369 int ret;
370
371 if (unlikely(IS_PRIVATE(inode)))
Mimi Zoharfb88c2b2011-08-15 10:13:18 -0400372 return 0;
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400373
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400374 if (!initxattrs)
375 return security_ops->inode_init_security(inode, dir, qstr,
376 NULL, NULL, NULL);
Tetsuo Handa95489062013-07-25 05:44:02 +0900377 memset(new_xattrs, 0, sizeof(new_xattrs));
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400378 lsm_xattr = new_xattrs;
379 ret = security_ops->inode_init_security(inode, dir, qstr,
380 &lsm_xattr->name,
381 &lsm_xattr->value,
382 &lsm_xattr->value_len);
383 if (ret)
384 goto out;
Mimi Zohar823eb1c2011-06-15 21:19:10 -0400385
386 evm_xattr = lsm_xattr + 1;
387 ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
388 if (ret)
389 goto out;
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400390 ret = initxattrs(inode, new_xattrs, fs_data);
391out:
Tetsuo Handa95489062013-07-25 05:44:02 +0900392 for (xattr = new_xattrs; xattr->value != NULL; xattr++)
Mimi Zohar823eb1c2011-06-15 21:19:10 -0400393 kfree(xattr->value);
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400394 return (ret == -EOPNOTSUPP) ? 0 : ret;
395}
396EXPORT_SYMBOL(security_inode_init_security);
397
398int security_old_inode_init_security(struct inode *inode, struct inode *dir,
Tetsuo Handa95489062013-07-25 05:44:02 +0900399 const struct qstr *qstr, const char **name,
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400400 void **value, size_t *len)
James Morris20510f22007-10-16 23:31:32 -0700401{
402 if (unlikely(IS_PRIVATE(inode)))
Jan Kara30e05322012-01-03 13:14:29 +0100403 return -EOPNOTSUPP;
Eric Paris2a7dba32011-02-01 11:05:39 -0500404 return security_ops->inode_init_security(inode, dir, qstr, name, value,
405 len);
James Morris20510f22007-10-16 23:31:32 -0700406}
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400407EXPORT_SYMBOL(security_old_inode_init_security);
James Morris20510f22007-10-16 23:31:32 -0700408
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900409#ifdef CONFIG_SECURITY_PATH
Al Viro04fc66e2011-11-21 14:58:38 -0500410int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900411 unsigned int dev)
412{
David Howellsc6f493d2015-03-17 22:26:22 +0000413 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900414 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900415 return security_ops->path_mknod(dir, dentry, mode, dev);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900416}
417EXPORT_SYMBOL(security_path_mknod);
418
Al Viro4572bef2011-11-21 14:56:21 -0500419int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900420{
David Howellsc6f493d2015-03-17 22:26:22 +0000421 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900422 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900423 return security_ops->path_mkdir(dir, dentry, mode);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900424}
David Howells82140442010-12-24 14:48:35 +0000425EXPORT_SYMBOL(security_path_mkdir);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900426
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900427int security_path_rmdir(struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900428{
David Howellsc6f493d2015-03-17 22:26:22 +0000429 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900430 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900431 return security_ops->path_rmdir(dir, dentry);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900432}
433
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900434int security_path_unlink(struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900435{
David Howellsc6f493d2015-03-17 22:26:22 +0000436 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900437 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900438 return security_ops->path_unlink(dir, dentry);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900439}
David Howells82140442010-12-24 14:48:35 +0000440EXPORT_SYMBOL(security_path_unlink);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900441
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900442int security_path_symlink(struct path *dir, struct dentry *dentry,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900443 const char *old_name)
444{
David Howellsc6f493d2015-03-17 22:26:22 +0000445 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900446 return 0;
Tetsuo Handa5d0901a2009-11-26 15:24:49 +0900447 return security_ops->path_symlink(dir, dentry, old_name);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900448}
449
450int security_path_link(struct dentry *old_dentry, struct path *new_dir,
451 struct dentry *new_dentry)
452{
David Howellsc6f493d2015-03-17 22:26:22 +0000453 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900454 return 0;
455 return security_ops->path_link(old_dentry, new_dir, new_dentry);
456}
457
458int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
Miklos Szeredi0b3974e2014-04-01 17:08:43 +0200459 struct path *new_dir, struct dentry *new_dentry,
460 unsigned int flags)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900461{
David Howellsc6f493d2015-03-17 22:26:22 +0000462 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
463 (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900464 return 0;
Miklos Szeredida1ce062014-04-01 17:08:43 +0200465
466 if (flags & RENAME_EXCHANGE) {
467 int err = security_ops->path_rename(new_dir, new_dentry,
468 old_dir, old_dentry);
469 if (err)
470 return err;
471 }
472
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900473 return security_ops->path_rename(old_dir, old_dentry, new_dir,
474 new_dentry);
475}
David Howells82140442010-12-24 14:48:35 +0000476EXPORT_SYMBOL(security_path_rename);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900477
Tetsuo Handaea0d3ab2010-06-02 13:24:43 +0900478int security_path_truncate(struct path *path)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900479{
David Howellsc6f493d2015-03-17 22:26:22 +0000480 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900481 return 0;
Tetsuo Handaea0d3ab2010-06-02 13:24:43 +0900482 return security_ops->path_truncate(path);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900483}
Tetsuo Handa89eda062009-10-04 21:49:47 +0900484
Al Virocdcf1162011-12-08 10:51:53 -0500485int security_path_chmod(struct path *path, umode_t mode)
Tetsuo Handa89eda062009-10-04 21:49:47 +0900486{
David Howellsc6f493d2015-03-17 22:26:22 +0000487 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
Tetsuo Handa89eda062009-10-04 21:49:47 +0900488 return 0;
Al Virocdcf1162011-12-08 10:51:53 -0500489 return security_ops->path_chmod(path, mode);
Tetsuo Handa89eda062009-10-04 21:49:47 +0900490}
491
Eric W. Biedermand2b31ca2012-06-01 16:14:19 -0600492int security_path_chown(struct path *path, kuid_t uid, kgid_t gid)
Tetsuo Handa89eda062009-10-04 21:49:47 +0900493{
David Howellsc6f493d2015-03-17 22:26:22 +0000494 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
Tetsuo Handa89eda062009-10-04 21:49:47 +0900495 return 0;
496 return security_ops->path_chown(path, uid, gid);
497}
Tetsuo Handa8b8efb42009-10-04 21:49:48 +0900498
499int security_path_chroot(struct path *path)
500{
501 return security_ops->path_chroot(path);
502}
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900503#endif
504
Al Viro4acdaf22011-07-26 01:42:34 -0400505int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
James Morris20510f22007-10-16 23:31:32 -0700506{
507 if (unlikely(IS_PRIVATE(dir)))
508 return 0;
509 return security_ops->inode_create(dir, dentry, mode);
510}
David Howells800a9642009-04-03 16:42:40 +0100511EXPORT_SYMBOL_GPL(security_inode_create);
James Morris20510f22007-10-16 23:31:32 -0700512
513int security_inode_link(struct dentry *old_dentry, struct inode *dir,
514 struct dentry *new_dentry)
515{
David Howellsc6f493d2015-03-17 22:26:22 +0000516 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
James Morris20510f22007-10-16 23:31:32 -0700517 return 0;
518 return security_ops->inode_link(old_dentry, dir, new_dentry);
519}
520
521int security_inode_unlink(struct inode *dir, struct dentry *dentry)
522{
David Howellsc6f493d2015-03-17 22:26:22 +0000523 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
James Morris20510f22007-10-16 23:31:32 -0700524 return 0;
525 return security_ops->inode_unlink(dir, dentry);
526}
527
528int security_inode_symlink(struct inode *dir, struct dentry *dentry,
529 const char *old_name)
530{
531 if (unlikely(IS_PRIVATE(dir)))
532 return 0;
533 return security_ops->inode_symlink(dir, dentry, old_name);
534}
535
Al Viro18bb1db2011-07-26 01:41:39 -0400536int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
James Morris20510f22007-10-16 23:31:32 -0700537{
538 if (unlikely(IS_PRIVATE(dir)))
539 return 0;
540 return security_ops->inode_mkdir(dir, dentry, mode);
541}
David Howells800a9642009-04-03 16:42:40 +0100542EXPORT_SYMBOL_GPL(security_inode_mkdir);
James Morris20510f22007-10-16 23:31:32 -0700543
544int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
545{
David Howellsc6f493d2015-03-17 22:26:22 +0000546 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
James Morris20510f22007-10-16 23:31:32 -0700547 return 0;
548 return security_ops->inode_rmdir(dir, dentry);
549}
550
Al Viro1a67aaf2011-07-26 01:52:52 -0400551int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
James Morris20510f22007-10-16 23:31:32 -0700552{
553 if (unlikely(IS_PRIVATE(dir)))
554 return 0;
555 return security_ops->inode_mknod(dir, dentry, mode, dev);
556}
557
558int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
Miklos Szeredi0b3974e2014-04-01 17:08:43 +0200559 struct inode *new_dir, struct dentry *new_dentry,
560 unsigned int flags)
James Morris20510f22007-10-16 23:31:32 -0700561{
David Howellsc6f493d2015-03-17 22:26:22 +0000562 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
563 (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
James Morris20510f22007-10-16 23:31:32 -0700564 return 0;
Miklos Szeredida1ce062014-04-01 17:08:43 +0200565
566 if (flags & RENAME_EXCHANGE) {
567 int err = security_ops->inode_rename(new_dir, new_dentry,
568 old_dir, old_dentry);
569 if (err)
570 return err;
571 }
572
James Morris20510f22007-10-16 23:31:32 -0700573 return security_ops->inode_rename(old_dir, old_dentry,
574 new_dir, new_dentry);
575}
576
577int security_inode_readlink(struct dentry *dentry)
578{
David Howellsc6f493d2015-03-17 22:26:22 +0000579 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
James Morris20510f22007-10-16 23:31:32 -0700580 return 0;
581 return security_ops->inode_readlink(dentry);
582}
583
584int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
585{
David Howellsc6f493d2015-03-17 22:26:22 +0000586 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
James Morris20510f22007-10-16 23:31:32 -0700587 return 0;
588 return security_ops->inode_follow_link(dentry, nd);
589}
590
Al Virob77b0642008-07-17 09:37:02 -0400591int security_inode_permission(struct inode *inode, int mask)
James Morris20510f22007-10-16 23:31:32 -0700592{
593 if (unlikely(IS_PRIVATE(inode)))
594 return 0;
Al Viroe74f71e2011-06-20 19:38:15 -0400595 return security_ops->inode_permission(inode, mask);
James Morris20510f22007-10-16 23:31:32 -0700596}
597
598int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
599{
Mimi Zohar817b54a2011-05-13 12:53:38 -0400600 int ret;
601
David Howellsc6f493d2015-03-17 22:26:22 +0000602 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
James Morris20510f22007-10-16 23:31:32 -0700603 return 0;
Mimi Zohar817b54a2011-05-13 12:53:38 -0400604 ret = security_ops->inode_setattr(dentry, attr);
605 if (ret)
606 return ret;
607 return evm_inode_setattr(dentry, attr);
James Morris20510f22007-10-16 23:31:32 -0700608}
Miklos Szeredib1da47e2008-07-01 15:01:28 +0200609EXPORT_SYMBOL_GPL(security_inode_setattr);
James Morris20510f22007-10-16 23:31:32 -0700610
Al Viro3f7036a2015-03-08 19:28:30 -0400611int security_inode_getattr(const struct path *path)
James Morris20510f22007-10-16 23:31:32 -0700612{
David Howellsc6f493d2015-03-17 22:26:22 +0000613 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
James Morris20510f22007-10-16 23:31:32 -0700614 return 0;
Al Viro3f7036a2015-03-08 19:28:30 -0400615 return security_ops->inode_getattr(path);
James Morris20510f22007-10-16 23:31:32 -0700616}
617
David Howells8f0cfa52008-04-29 00:59:41 -0700618int security_inode_setxattr(struct dentry *dentry, const char *name,
619 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700620{
Mimi Zohar3e1be522011-03-09 14:38:26 -0500621 int ret;
622
David Howellsc6f493d2015-03-17 22:26:22 +0000623 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
James Morris20510f22007-10-16 23:31:32 -0700624 return 0;
Mimi Zohar3e1be522011-03-09 14:38:26 -0500625 ret = security_ops->inode_setxattr(dentry, name, value, size, flags);
626 if (ret)
627 return ret;
Mimi Zohar42c63332011-03-10 18:54:15 -0500628 ret = ima_inode_setxattr(dentry, name, value, size);
629 if (ret)
630 return ret;
Mimi Zohar3e1be522011-03-09 14:38:26 -0500631 return evm_inode_setxattr(dentry, name, value, size);
James Morris20510f22007-10-16 23:31:32 -0700632}
633
David Howells8f0cfa52008-04-29 00:59:41 -0700634void security_inode_post_setxattr(struct dentry *dentry, const char *name,
635 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700636{
David Howellsc6f493d2015-03-17 22:26:22 +0000637 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
James Morris20510f22007-10-16 23:31:32 -0700638 return;
639 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
Mimi Zohar3e1be522011-03-09 14:38:26 -0500640 evm_inode_post_setxattr(dentry, name, value, size);
James Morris20510f22007-10-16 23:31:32 -0700641}
642
David Howells8f0cfa52008-04-29 00:59:41 -0700643int security_inode_getxattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700644{
David Howellsc6f493d2015-03-17 22:26:22 +0000645 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
James Morris20510f22007-10-16 23:31:32 -0700646 return 0;
647 return security_ops->inode_getxattr(dentry, name);
648}
649
650int security_inode_listxattr(struct dentry *dentry)
651{
David Howellsc6f493d2015-03-17 22:26:22 +0000652 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
James Morris20510f22007-10-16 23:31:32 -0700653 return 0;
654 return security_ops->inode_listxattr(dentry);
655}
656
David Howells8f0cfa52008-04-29 00:59:41 -0700657int security_inode_removexattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700658{
Mimi Zohar3e1be522011-03-09 14:38:26 -0500659 int ret;
660
David Howellsc6f493d2015-03-17 22:26:22 +0000661 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
James Morris20510f22007-10-16 23:31:32 -0700662 return 0;
Mimi Zohar3e1be522011-03-09 14:38:26 -0500663 ret = security_ops->inode_removexattr(dentry, name);
664 if (ret)
665 return ret;
Mimi Zohar42c63332011-03-10 18:54:15 -0500666 ret = ima_inode_removexattr(dentry, name);
667 if (ret)
668 return ret;
Mimi Zohar3e1be522011-03-09 14:38:26 -0500669 return evm_inode_removexattr(dentry, name);
James Morris20510f22007-10-16 23:31:32 -0700670}
671
Serge E. Hallynb5376772007-10-16 23:31:36 -0700672int security_inode_need_killpriv(struct dentry *dentry)
673{
674 return security_ops->inode_need_killpriv(dentry);
675}
676
677int security_inode_killpriv(struct dentry *dentry)
678{
679 return security_ops->inode_killpriv(dentry);
680}
681
David P. Quigley42492592008-02-04 22:29:39 -0800682int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
James Morris20510f22007-10-16 23:31:32 -0700683{
684 if (unlikely(IS_PRIVATE(inode)))
James Morris8d952502010-01-14 09:33:28 +1100685 return -EOPNOTSUPP;
David P. Quigley42492592008-02-04 22:29:39 -0800686 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
James Morris20510f22007-10-16 23:31:32 -0700687}
688
689int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
690{
691 if (unlikely(IS_PRIVATE(inode)))
James Morris8d952502010-01-14 09:33:28 +1100692 return -EOPNOTSUPP;
James Morris20510f22007-10-16 23:31:32 -0700693 return security_ops->inode_setsecurity(inode, name, value, size, flags);
694}
695
696int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
697{
698 if (unlikely(IS_PRIVATE(inode)))
699 return 0;
700 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
701}
David Quigleyc9bccef2013-05-22 12:50:45 -0400702EXPORT_SYMBOL(security_inode_listsecurity);
James Morris20510f22007-10-16 23:31:32 -0700703
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200704void security_inode_getsecid(const struct inode *inode, u32 *secid)
705{
706 security_ops->inode_getsecid(inode, secid);
707}
708
James Morris20510f22007-10-16 23:31:32 -0700709int security_file_permission(struct file *file, int mask)
710{
Eric Parisc4ec54b2009-12-17 21:24:34 -0500711 int ret;
712
713 ret = security_ops->file_permission(file, mask);
714 if (ret)
715 return ret;
716
717 return fsnotify_perm(file, mask);
James Morris20510f22007-10-16 23:31:32 -0700718}
719
720int security_file_alloc(struct file *file)
721{
722 return security_ops->file_alloc_security(file);
723}
724
725void security_file_free(struct file *file)
726{
727 security_ops->file_free_security(file);
728}
729
730int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
731{
732 return security_ops->file_ioctl(file, cmd, arg);
733}
734
Al Viro98de59b2012-05-30 19:58:30 -0400735static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
James Morris20510f22007-10-16 23:31:32 -0700736{
Al Viro8b3ec682012-05-30 17:11:23 -0400737 /*
Al Viro98de59b2012-05-30 19:58:30 -0400738 * Does we have PROT_READ and does the application expect
739 * it to imply PROT_EXEC? If not, nothing to talk about...
Al Viro8b3ec682012-05-30 17:11:23 -0400740 */
Al Viro98de59b2012-05-30 19:58:30 -0400741 if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ)
742 return prot;
Al Viro8b3ec682012-05-30 17:11:23 -0400743 if (!(current->personality & READ_IMPLIES_EXEC))
Al Viro98de59b2012-05-30 19:58:30 -0400744 return prot;
745 /*
746 * if that's an anonymous mapping, let it.
747 */
748 if (!file)
749 return prot | PROT_EXEC;
750 /*
751 * ditto if it's not on noexec mount, except that on !MMU we need
Christoph Hellwigb4caecd2015-01-14 10:42:32 +0100752 * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
Al Viro98de59b2012-05-30 19:58:30 -0400753 */
754 if (!(file->f_path.mnt->mnt_flags & MNT_NOEXEC)) {
Al Viro8b3ec682012-05-30 17:11:23 -0400755#ifndef CONFIG_MMU
Christoph Hellwigb4caecd2015-01-14 10:42:32 +0100756 if (file->f_op->mmap_capabilities) {
757 unsigned caps = file->f_op->mmap_capabilities(file);
758 if (!(caps & NOMMU_MAP_EXEC))
759 return prot;
760 }
Al Viro8b3ec682012-05-30 17:11:23 -0400761#endif
Al Viro98de59b2012-05-30 19:58:30 -0400762 return prot | PROT_EXEC;
Al Viro8b3ec682012-05-30 17:11:23 -0400763 }
Al Viro98de59b2012-05-30 19:58:30 -0400764 /* anything on noexec mount won't get PROT_EXEC */
765 return prot;
766}
767
768int security_mmap_file(struct file *file, unsigned long prot,
769 unsigned long flags)
770{
771 int ret;
772 ret = security_ops->mmap_file(file, prot,
773 mmap_prot(file, prot), flags);
Mimi Zohar6c21a7f2009-10-22 17:30:13 -0400774 if (ret)
775 return ret;
776 return ima_file_mmap(file, prot);
James Morris20510f22007-10-16 23:31:32 -0700777}
778
Al Viroe5467852012-05-30 13:30:51 -0400779int security_mmap_addr(unsigned long addr)
780{
781 return security_ops->mmap_addr(addr);
782}
783
James Morris20510f22007-10-16 23:31:32 -0700784int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
785 unsigned long prot)
786{
787 return security_ops->file_mprotect(vma, reqprot, prot);
788}
789
790int security_file_lock(struct file *file, unsigned int cmd)
791{
792 return security_ops->file_lock(file, cmd);
793}
794
795int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
796{
797 return security_ops->file_fcntl(file, cmd, arg);
798}
799
Jeff Laytone0b93ed2014-08-22 11:27:32 -0400800void security_file_set_fowner(struct file *file)
James Morris20510f22007-10-16 23:31:32 -0700801{
Jeff Laytone0b93ed2014-08-22 11:27:32 -0400802 security_ops->file_set_fowner(file);
James Morris20510f22007-10-16 23:31:32 -0700803}
804
805int security_file_send_sigiotask(struct task_struct *tsk,
806 struct fown_struct *fown, int sig)
807{
808 return security_ops->file_send_sigiotask(tsk, fown, sig);
809}
810
811int security_file_receive(struct file *file)
812{
813 return security_ops->file_receive(file);
814}
815
Eric Paris83d49852012-04-04 13:45:40 -0400816int security_file_open(struct file *file, const struct cred *cred)
James Morris20510f22007-10-16 23:31:32 -0700817{
Eric Parisc4ec54b2009-12-17 21:24:34 -0500818 int ret;
819
Eric Paris83d49852012-04-04 13:45:40 -0400820 ret = security_ops->file_open(file, cred);
Eric Parisc4ec54b2009-12-17 21:24:34 -0500821 if (ret)
822 return ret;
823
824 return fsnotify_perm(file, MAY_OPEN);
James Morris20510f22007-10-16 23:31:32 -0700825}
826
827int security_task_create(unsigned long clone_flags)
828{
829 return security_ops->task_create(clone_flags);
830}
831
Kees Cook1a2a4d02011-12-21 12:17:03 -0800832void security_task_free(struct task_struct *task)
833{
Kees Cookc6993e42012-09-04 13:32:13 -0700834#ifdef CONFIG_SECURITY_YAMA_STACKED
835 yama_task_free(task);
836#endif
Kees Cook1a2a4d02011-12-21 12:17:03 -0800837 security_ops->task_free(task);
838}
839
David Howellsee18d642009-09-02 09:14:21 +0100840int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
841{
842 return security_ops->cred_alloc_blank(cred, gfp);
843}
844
David Howellsf1752ee2008-11-14 10:39:17 +1100845void security_cred_free(struct cred *cred)
James Morris20510f22007-10-16 23:31:32 -0700846{
David Howellsf1752ee2008-11-14 10:39:17 +1100847 security_ops->cred_free(cred);
James Morris20510f22007-10-16 23:31:32 -0700848}
849
David Howellsd84f4f92008-11-14 10:39:23 +1100850int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
851{
852 return security_ops->cred_prepare(new, old, gfp);
853}
854
David Howellsee18d642009-09-02 09:14:21 +0100855void security_transfer_creds(struct cred *new, const struct cred *old)
856{
857 security_ops->cred_transfer(new, old);
858}
859
David Howells3a3b7ce2008-11-14 10:39:28 +1100860int security_kernel_act_as(struct cred *new, u32 secid)
861{
862 return security_ops->kernel_act_as(new, secid);
863}
864
865int security_kernel_create_files_as(struct cred *new, struct inode *inode)
866{
867 return security_ops->kernel_create_files_as(new, inode);
868}
869
Kees Cook13752fe2014-02-25 10:28:04 -0800870int security_kernel_fw_from_file(struct file *file, char *buf, size_t size)
871{
Mimi Zohar5a9196d2014-07-22 10:39:48 -0400872 int ret;
873
874 ret = security_ops->kernel_fw_from_file(file, buf, size);
875 if (ret)
876 return ret;
877 return ima_fw_from_file(file, buf, size);
Kees Cook13752fe2014-02-25 10:28:04 -0800878}
879EXPORT_SYMBOL_GPL(security_kernel_fw_from_file);
880
Eric Parisdd8dbf22009-11-03 16:35:32 +1100881int security_kernel_module_request(char *kmod_name)
Eric Paris91884992009-08-13 09:44:57 -0400882{
Eric Parisdd8dbf22009-11-03 16:35:32 +1100883 return security_ops->kernel_module_request(kmod_name);
Eric Paris91884992009-08-13 09:44:57 -0400884}
885
Kees Cook2e72d512012-10-16 07:32:07 +1030886int security_kernel_module_from_file(struct file *file)
887{
Mimi Zoharfdf90722012-10-16 12:40:08 +1030888 int ret;
889
890 ret = security_ops->kernel_module_from_file(file);
891 if (ret)
892 return ret;
893 return ima_module_check(file);
Kees Cook2e72d512012-10-16 07:32:07 +1030894}
895
David Howellsd84f4f92008-11-14 10:39:23 +1100896int security_task_fix_setuid(struct cred *new, const struct cred *old,
897 int flags)
James Morris20510f22007-10-16 23:31:32 -0700898{
David Howellsd84f4f92008-11-14 10:39:23 +1100899 return security_ops->task_fix_setuid(new, old, flags);
James Morris20510f22007-10-16 23:31:32 -0700900}
901
James Morris20510f22007-10-16 23:31:32 -0700902int security_task_setpgid(struct task_struct *p, pid_t pgid)
903{
904 return security_ops->task_setpgid(p, pgid);
905}
906
907int security_task_getpgid(struct task_struct *p)
908{
909 return security_ops->task_getpgid(p);
910}
911
912int security_task_getsid(struct task_struct *p)
913{
914 return security_ops->task_getsid(p);
915}
916
917void security_task_getsecid(struct task_struct *p, u32 *secid)
918{
919 security_ops->task_getsecid(p, secid);
920}
921EXPORT_SYMBOL(security_task_getsecid);
922
James Morris20510f22007-10-16 23:31:32 -0700923int security_task_setnice(struct task_struct *p, int nice)
924{
925 return security_ops->task_setnice(p, nice);
926}
927
928int security_task_setioprio(struct task_struct *p, int ioprio)
929{
930 return security_ops->task_setioprio(p, ioprio);
931}
932
933int security_task_getioprio(struct task_struct *p)
934{
935 return security_ops->task_getioprio(p);
936}
937
Jiri Slaby8fd00b42009-08-26 18:41:16 +0200938int security_task_setrlimit(struct task_struct *p, unsigned int resource,
939 struct rlimit *new_rlim)
James Morris20510f22007-10-16 23:31:32 -0700940{
Jiri Slaby8fd00b42009-08-26 18:41:16 +0200941 return security_ops->task_setrlimit(p, resource, new_rlim);
James Morris20510f22007-10-16 23:31:32 -0700942}
943
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +0900944int security_task_setscheduler(struct task_struct *p)
James Morris20510f22007-10-16 23:31:32 -0700945{
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +0900946 return security_ops->task_setscheduler(p);
James Morris20510f22007-10-16 23:31:32 -0700947}
948
949int security_task_getscheduler(struct task_struct *p)
950{
951 return security_ops->task_getscheduler(p);
952}
953
954int security_task_movememory(struct task_struct *p)
955{
956 return security_ops->task_movememory(p);
957}
958
959int security_task_kill(struct task_struct *p, struct siginfo *info,
960 int sig, u32 secid)
961{
962 return security_ops->task_kill(p, info, sig, secid);
963}
964
965int security_task_wait(struct task_struct *p)
966{
967 return security_ops->task_wait(p);
968}
969
970int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
David Howellsd84f4f92008-11-14 10:39:23 +1100971 unsigned long arg4, unsigned long arg5)
James Morris20510f22007-10-16 23:31:32 -0700972{
Kees Cookc6993e42012-09-04 13:32:13 -0700973#ifdef CONFIG_SECURITY_YAMA_STACKED
974 int rc;
975 rc = yama_task_prctl(option, arg2, arg3, arg4, arg5);
976 if (rc != -ENOSYS)
977 return rc;
978#endif
David Howellsd84f4f92008-11-14 10:39:23 +1100979 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
James Morris20510f22007-10-16 23:31:32 -0700980}
981
982void security_task_to_inode(struct task_struct *p, struct inode *inode)
983{
984 security_ops->task_to_inode(p, inode);
985}
986
987int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
988{
989 return security_ops->ipc_permission(ipcp, flag);
990}
991
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200992void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
993{
994 security_ops->ipc_getsecid(ipcp, secid);
995}
996
James Morris20510f22007-10-16 23:31:32 -0700997int security_msg_msg_alloc(struct msg_msg *msg)
998{
999 return security_ops->msg_msg_alloc_security(msg);
1000}
1001
1002void security_msg_msg_free(struct msg_msg *msg)
1003{
1004 security_ops->msg_msg_free_security(msg);
1005}
1006
1007int security_msg_queue_alloc(struct msg_queue *msq)
1008{
1009 return security_ops->msg_queue_alloc_security(msq);
1010}
1011
1012void security_msg_queue_free(struct msg_queue *msq)
1013{
1014 security_ops->msg_queue_free_security(msq);
1015}
1016
1017int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
1018{
1019 return security_ops->msg_queue_associate(msq, msqflg);
1020}
1021
1022int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
1023{
1024 return security_ops->msg_queue_msgctl(msq, cmd);
1025}
1026
1027int security_msg_queue_msgsnd(struct msg_queue *msq,
1028 struct msg_msg *msg, int msqflg)
1029{
1030 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
1031}
1032
1033int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
1034 struct task_struct *target, long type, int mode)
1035{
1036 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
1037}
1038
1039int security_shm_alloc(struct shmid_kernel *shp)
1040{
1041 return security_ops->shm_alloc_security(shp);
1042}
1043
1044void security_shm_free(struct shmid_kernel *shp)
1045{
1046 security_ops->shm_free_security(shp);
1047}
1048
1049int security_shm_associate(struct shmid_kernel *shp, int shmflg)
1050{
1051 return security_ops->shm_associate(shp, shmflg);
1052}
1053
1054int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
1055{
1056 return security_ops->shm_shmctl(shp, cmd);
1057}
1058
1059int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
1060{
1061 return security_ops->shm_shmat(shp, shmaddr, shmflg);
1062}
1063
1064int security_sem_alloc(struct sem_array *sma)
1065{
1066 return security_ops->sem_alloc_security(sma);
1067}
1068
1069void security_sem_free(struct sem_array *sma)
1070{
1071 security_ops->sem_free_security(sma);
1072}
1073
1074int security_sem_associate(struct sem_array *sma, int semflg)
1075{
1076 return security_ops->sem_associate(sma, semflg);
1077}
1078
1079int security_sem_semctl(struct sem_array *sma, int cmd)
1080{
1081 return security_ops->sem_semctl(sma, cmd);
1082}
1083
1084int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
1085 unsigned nsops, int alter)
1086{
1087 return security_ops->sem_semop(sma, sops, nsops, alter);
1088}
1089
1090void security_d_instantiate(struct dentry *dentry, struct inode *inode)
1091{
1092 if (unlikely(inode && IS_PRIVATE(inode)))
1093 return;
1094 security_ops->d_instantiate(dentry, inode);
1095}
1096EXPORT_SYMBOL(security_d_instantiate);
1097
1098int security_getprocattr(struct task_struct *p, char *name, char **value)
1099{
1100 return security_ops->getprocattr(p, name, value);
1101}
1102
1103int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
1104{
1105 return security_ops->setprocattr(p, name, value, size);
1106}
1107
1108int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1109{
1110 return security_ops->netlink_send(sk, skb);
1111}
James Morris20510f22007-10-16 23:31:32 -07001112
David Quigley746df9b2013-05-22 12:50:35 -04001113int security_ismaclabel(const char *name)
1114{
1115 return security_ops->ismaclabel(name);
1116}
1117EXPORT_SYMBOL(security_ismaclabel);
1118
James Morris20510f22007-10-16 23:31:32 -07001119int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1120{
1121 return security_ops->secid_to_secctx(secid, secdata, seclen);
1122}
1123EXPORT_SYMBOL(security_secid_to_secctx);
1124
David Howells7bf570d2008-04-29 20:52:51 +01001125int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
David Howells63cb3442008-01-15 23:47:35 +00001126{
1127 return security_ops->secctx_to_secid(secdata, seclen, secid);
1128}
1129EXPORT_SYMBOL(security_secctx_to_secid);
1130
James Morris20510f22007-10-16 23:31:32 -07001131void security_release_secctx(char *secdata, u32 seclen)
1132{
James Morris65fc7662008-06-12 01:00:10 +10001133 security_ops->release_secctx(secdata, seclen);
James Morris20510f22007-10-16 23:31:32 -07001134}
1135EXPORT_SYMBOL(security_release_secctx);
1136
David P. Quigley1ee65e32009-09-03 14:25:57 -04001137int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1138{
1139 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
1140}
1141EXPORT_SYMBOL(security_inode_notifysecctx);
1142
1143int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1144{
1145 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1146}
1147EXPORT_SYMBOL(security_inode_setsecctx);
1148
1149int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1150{
1151 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1152}
1153EXPORT_SYMBOL(security_inode_getsecctx);
1154
James Morris20510f22007-10-16 23:31:32 -07001155#ifdef CONFIG_SECURITY_NETWORK
1156
David S. Miller3610cda2011-01-05 15:38:53 -08001157int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
James Morris20510f22007-10-16 23:31:32 -07001158{
1159 return security_ops->unix_stream_connect(sock, other, newsk);
1160}
1161EXPORT_SYMBOL(security_unix_stream_connect);
1162
1163int security_unix_may_send(struct socket *sock, struct socket *other)
1164{
1165 return security_ops->unix_may_send(sock, other);
1166}
1167EXPORT_SYMBOL(security_unix_may_send);
1168
1169int security_socket_create(int family, int type, int protocol, int kern)
1170{
1171 return security_ops->socket_create(family, type, protocol, kern);
1172}
1173
1174int security_socket_post_create(struct socket *sock, int family,
1175 int type, int protocol, int kern)
1176{
1177 return security_ops->socket_post_create(sock, family, type,
1178 protocol, kern);
1179}
1180
1181int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1182{
1183 return security_ops->socket_bind(sock, address, addrlen);
1184}
1185
1186int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1187{
1188 return security_ops->socket_connect(sock, address, addrlen);
1189}
1190
1191int security_socket_listen(struct socket *sock, int backlog)
1192{
1193 return security_ops->socket_listen(sock, backlog);
1194}
1195
1196int security_socket_accept(struct socket *sock, struct socket *newsock)
1197{
1198 return security_ops->socket_accept(sock, newsock);
1199}
1200
James Morris20510f22007-10-16 23:31:32 -07001201int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1202{
1203 return security_ops->socket_sendmsg(sock, msg, size);
1204}
1205
1206int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1207 int size, int flags)
1208{
1209 return security_ops->socket_recvmsg(sock, msg, size, flags);
1210}
1211
1212int security_socket_getsockname(struct socket *sock)
1213{
1214 return security_ops->socket_getsockname(sock);
1215}
1216
1217int security_socket_getpeername(struct socket *sock)
1218{
1219 return security_ops->socket_getpeername(sock);
1220}
1221
1222int security_socket_getsockopt(struct socket *sock, int level, int optname)
1223{
1224 return security_ops->socket_getsockopt(sock, level, optname);
1225}
1226
1227int security_socket_setsockopt(struct socket *sock, int level, int optname)
1228{
1229 return security_ops->socket_setsockopt(sock, level, optname);
1230}
1231
1232int security_socket_shutdown(struct socket *sock, int how)
1233{
1234 return security_ops->socket_shutdown(sock, how);
1235}
1236
1237int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1238{
1239 return security_ops->socket_sock_rcv_skb(sk, skb);
1240}
1241EXPORT_SYMBOL(security_sock_rcv_skb);
1242
1243int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1244 int __user *optlen, unsigned len)
1245{
1246 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1247}
1248
1249int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1250{
1251 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1252}
1253EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1254
1255int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1256{
1257 return security_ops->sk_alloc_security(sk, family, priority);
1258}
1259
1260void security_sk_free(struct sock *sk)
1261{
James Morris65fc7662008-06-12 01:00:10 +10001262 security_ops->sk_free_security(sk);
James Morris20510f22007-10-16 23:31:32 -07001263}
1264
1265void security_sk_clone(const struct sock *sk, struct sock *newsk)
1266{
James Morris65fc7662008-06-12 01:00:10 +10001267 security_ops->sk_clone_security(sk, newsk);
James Morris20510f22007-10-16 23:31:32 -07001268}
Paul Moore6230c9b2011-10-07 09:40:59 +00001269EXPORT_SYMBOL(security_sk_clone);
James Morris20510f22007-10-16 23:31:32 -07001270
1271void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1272{
David S. Miller1d28f422011-03-12 00:29:39 -05001273 security_ops->sk_getsecid(sk, &fl->flowi_secid);
James Morris20510f22007-10-16 23:31:32 -07001274}
1275EXPORT_SYMBOL(security_sk_classify_flow);
1276
1277void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1278{
1279 security_ops->req_classify_flow(req, fl);
1280}
1281EXPORT_SYMBOL(security_req_classify_flow);
1282
1283void security_sock_graft(struct sock *sk, struct socket *parent)
1284{
1285 security_ops->sock_graft(sk, parent);
1286}
1287EXPORT_SYMBOL(security_sock_graft);
1288
1289int security_inet_conn_request(struct sock *sk,
1290 struct sk_buff *skb, struct request_sock *req)
1291{
1292 return security_ops->inet_conn_request(sk, skb, req);
1293}
1294EXPORT_SYMBOL(security_inet_conn_request);
1295
1296void security_inet_csk_clone(struct sock *newsk,
1297 const struct request_sock *req)
1298{
1299 security_ops->inet_csk_clone(newsk, req);
1300}
1301
1302void security_inet_conn_established(struct sock *sk,
1303 struct sk_buff *skb)
1304{
1305 security_ops->inet_conn_established(sk, skb);
1306}
1307
Eric Paris2606fd12010-10-13 16:24:41 -04001308int security_secmark_relabel_packet(u32 secid)
1309{
1310 return security_ops->secmark_relabel_packet(secid);
1311}
1312EXPORT_SYMBOL(security_secmark_relabel_packet);
1313
1314void security_secmark_refcount_inc(void)
1315{
1316 security_ops->secmark_refcount_inc();
1317}
1318EXPORT_SYMBOL(security_secmark_refcount_inc);
1319
1320void security_secmark_refcount_dec(void)
1321{
1322 security_ops->secmark_refcount_dec();
1323}
1324EXPORT_SYMBOL(security_secmark_refcount_dec);
1325
Paul Moore5dbbaf22013-01-14 07:12:19 +00001326int security_tun_dev_alloc_security(void **security)
1327{
1328 return security_ops->tun_dev_alloc_security(security);
1329}
1330EXPORT_SYMBOL(security_tun_dev_alloc_security);
1331
1332void security_tun_dev_free_security(void *security)
1333{
1334 security_ops->tun_dev_free_security(security);
1335}
1336EXPORT_SYMBOL(security_tun_dev_free_security);
1337
Paul Moore2b980db2009-08-28 18:12:43 -04001338int security_tun_dev_create(void)
1339{
1340 return security_ops->tun_dev_create();
1341}
1342EXPORT_SYMBOL(security_tun_dev_create);
1343
Paul Moore5dbbaf22013-01-14 07:12:19 +00001344int security_tun_dev_attach_queue(void *security)
Paul Moore2b980db2009-08-28 18:12:43 -04001345{
Paul Moore5dbbaf22013-01-14 07:12:19 +00001346 return security_ops->tun_dev_attach_queue(security);
Paul Moore2b980db2009-08-28 18:12:43 -04001347}
Paul Moore5dbbaf22013-01-14 07:12:19 +00001348EXPORT_SYMBOL(security_tun_dev_attach_queue);
Paul Moore2b980db2009-08-28 18:12:43 -04001349
Paul Moore5dbbaf22013-01-14 07:12:19 +00001350int security_tun_dev_attach(struct sock *sk, void *security)
Paul Moore2b980db2009-08-28 18:12:43 -04001351{
Paul Moore5dbbaf22013-01-14 07:12:19 +00001352 return security_ops->tun_dev_attach(sk, security);
Paul Moore2b980db2009-08-28 18:12:43 -04001353}
1354EXPORT_SYMBOL(security_tun_dev_attach);
1355
Paul Moore5dbbaf22013-01-14 07:12:19 +00001356int security_tun_dev_open(void *security)
1357{
1358 return security_ops->tun_dev_open(security);
1359}
1360EXPORT_SYMBOL(security_tun_dev_open);
1361
James Morris20510f22007-10-16 23:31:32 -07001362#endif /* CONFIG_SECURITY_NETWORK */
1363
1364#ifdef CONFIG_SECURITY_NETWORK_XFRM
1365
Nikolay Aleksandrov52a4c642014-03-07 12:44:19 +01001366int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1367 struct xfrm_user_sec_ctx *sec_ctx,
1368 gfp_t gfp)
James Morris20510f22007-10-16 23:31:32 -07001369{
Nikolay Aleksandrov52a4c642014-03-07 12:44:19 +01001370 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx, gfp);
James Morris20510f22007-10-16 23:31:32 -07001371}
1372EXPORT_SYMBOL(security_xfrm_policy_alloc);
1373
Paul Moore03e1ad72008-04-12 19:07:52 -07001374int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1375 struct xfrm_sec_ctx **new_ctxp)
James Morris20510f22007-10-16 23:31:32 -07001376{
Paul Moore03e1ad72008-04-12 19:07:52 -07001377 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
James Morris20510f22007-10-16 23:31:32 -07001378}
1379
Paul Moore03e1ad72008-04-12 19:07:52 -07001380void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001381{
Paul Moore03e1ad72008-04-12 19:07:52 -07001382 security_ops->xfrm_policy_free_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001383}
1384EXPORT_SYMBOL(security_xfrm_policy_free);
1385
Paul Moore03e1ad72008-04-12 19:07:52 -07001386int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001387{
Paul Moore03e1ad72008-04-12 19:07:52 -07001388 return security_ops->xfrm_policy_delete_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001389}
1390
Paul Moore2e5aa862013-07-23 17:38:38 -04001391int security_xfrm_state_alloc(struct xfrm_state *x,
1392 struct xfrm_user_sec_ctx *sec_ctx)
James Morris20510f22007-10-16 23:31:32 -07001393{
Paul Moore2e5aa862013-07-23 17:38:38 -04001394 return security_ops->xfrm_state_alloc(x, sec_ctx);
James Morris20510f22007-10-16 23:31:32 -07001395}
1396EXPORT_SYMBOL(security_xfrm_state_alloc);
1397
1398int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1399 struct xfrm_sec_ctx *polsec, u32 secid)
1400{
Paul Moore2e5aa862013-07-23 17:38:38 -04001401 return security_ops->xfrm_state_alloc_acquire(x, polsec, secid);
James Morris20510f22007-10-16 23:31:32 -07001402}
1403
1404int security_xfrm_state_delete(struct xfrm_state *x)
1405{
1406 return security_ops->xfrm_state_delete_security(x);
1407}
1408EXPORT_SYMBOL(security_xfrm_state_delete);
1409
1410void security_xfrm_state_free(struct xfrm_state *x)
1411{
1412 security_ops->xfrm_state_free_security(x);
1413}
1414
Paul Moore03e1ad72008-04-12 19:07:52 -07001415int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
James Morris20510f22007-10-16 23:31:32 -07001416{
Paul Moore03e1ad72008-04-12 19:07:52 -07001417 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
James Morris20510f22007-10-16 23:31:32 -07001418}
1419
1420int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
David S. Millere33f7702011-02-22 18:13:15 -08001421 struct xfrm_policy *xp,
1422 const struct flowi *fl)
James Morris20510f22007-10-16 23:31:32 -07001423{
1424 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1425}
1426
1427int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1428{
1429 return security_ops->xfrm_decode_session(skb, secid, 1);
1430}
1431
1432void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1433{
David S. Miller1d28f422011-03-12 00:29:39 -05001434 int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
James Morris20510f22007-10-16 23:31:32 -07001435
1436 BUG_ON(rc);
1437}
1438EXPORT_SYMBOL(security_skb_classify_flow);
1439
1440#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1441
1442#ifdef CONFIG_KEYS
1443
David Howellsd84f4f92008-11-14 10:39:23 +11001444int security_key_alloc(struct key *key, const struct cred *cred,
1445 unsigned long flags)
James Morris20510f22007-10-16 23:31:32 -07001446{
David Howellsd84f4f92008-11-14 10:39:23 +11001447 return security_ops->key_alloc(key, cred, flags);
James Morris20510f22007-10-16 23:31:32 -07001448}
1449
1450void security_key_free(struct key *key)
1451{
1452 security_ops->key_free(key);
1453}
1454
1455int security_key_permission(key_ref_t key_ref,
David Howellsf5895942014-03-14 17:44:49 +00001456 const struct cred *cred, unsigned perm)
James Morris20510f22007-10-16 23:31:32 -07001457{
David Howellsd84f4f92008-11-14 10:39:23 +11001458 return security_ops->key_permission(key_ref, cred, perm);
James Morris20510f22007-10-16 23:31:32 -07001459}
1460
David Howells70a5bb72008-04-29 01:01:26 -07001461int security_key_getsecurity(struct key *key, char **_buffer)
1462{
1463 return security_ops->key_getsecurity(key, _buffer);
1464}
1465
James Morris20510f22007-10-16 23:31:32 -07001466#endif /* CONFIG_KEYS */
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001467
1468#ifdef CONFIG_AUDIT
1469
1470int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1471{
1472 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1473}
1474
1475int security_audit_rule_known(struct audit_krule *krule)
1476{
1477 return security_ops->audit_rule_known(krule);
1478}
1479
1480void security_audit_rule_free(void *lsmrule)
1481{
1482 security_ops->audit_rule_free(lsmrule);
1483}
1484
1485int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1486 struct audit_context *actx)
1487{
1488 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1489}
1490
1491#endif /* CONFIG_AUDIT */