security.c 53.1 KB
Newer Older
L
Linus Torvalds 已提交
1 2 3 4 5 6 7 8 9 10 11 12 13
/*
 * Security plug functions
 *
 * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
 * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com>
 * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
 *
 *	This program is free software; you can redistribute it and/or modify
 *	it under the terms of the GNU General Public License as published by
 *	the Free Software Foundation; either version 2 of the License, or
 *	(at your option) any later version.
 */

14
#include <linux/capability.h>
15
#include <linux/dcache.h>
L
Linus Torvalds 已提交
16 17 18
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
C
Casey Schaufler 已提交
19
#include <linux/lsm_hooks.h>
20
#include <linux/integrity.h>
21
#include <linux/ima.h>
22
#include <linux/evm.h>
A
Al Viro 已提交
23
#include <linux/fsnotify.h>
24 25 26
#include <linux/mman.h>
#include <linux/mount.h>
#include <linux/personality.h>
P
Paul Mundt 已提交
27
#include <linux/backing-dev.h>
A
Al Viro 已提交
28
#include <net/flow.h>
L
Linus Torvalds 已提交
29

30
#define MAX_LSM_EVM_XATTR	2
L
Linus Torvalds 已提交
31

C
Casey Schaufler 已提交
32 33 34
/* Maximum number of letters for an LSM name string */
#define SECURITY_NAME_MAX	10

35
/* Boot-time LSM user choice */
J
John Johansen 已提交
36 37
static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
	CONFIG_DEFAULT_SECURITY;
L
Linus Torvalds 已提交
38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55

static void __init do_security_initcalls(void)
{
	initcall_t *call;
	call = __security_initcall_start;
	while (call < __security_initcall_end) {
		(*call) ();
		call++;
	}
}

/**
 * security_init - initializes the security framework
 *
 * This should be called early in the kernel initialization sequence.
 */
int __init security_init(void)
{
C
Casey Schaufler 已提交
56
	pr_info("Security Framework initialized\n");
L
Linus Torvalds 已提交
57

C
Casey Schaufler 已提交
58
	/*
59
	 * Load minor LSMs, with the capability module always first.
C
Casey Schaufler 已提交
60 61 62
	 */
	capability_add_hooks();
	yama_add_hooks();
63

C
Casey Schaufler 已提交
64
	/*
65
	 * Load all the remaining security modules.
C
Casey Schaufler 已提交
66
	 */
L
Linus Torvalds 已提交
67 68 69 70 71
	do_security_initcalls();

	return 0;
}

72 73 74 75 76 77 78 79 80 81
/* Save user chosen LSM */
static int __init choose_lsm(char *str)
{
	strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
	return 1;
}
__setup("security=", choose_lsm);

/**
 * security_module_enable - Load given security module on boot ?
C
Casey Schaufler 已提交
82
 * @module: the name of the module
83 84 85
 *
 * Each LSM must pass this method before registering its own operations
 * to avoid security registration races. This method may also be used
86
 * to check if your LSM is currently loaded during kernel initialization.
87 88 89
 *
 * Return true if:
 *	-The passed LSM is the one chosen by user at boot time,
J
John Johansen 已提交
90
 *	-or the passed LSM is configured as the default and the user did not
91
 *	 choose an alternate LSM at boot time.
92 93
 * Otherwise, return false.
 */
C
Casey Schaufler 已提交
94
int __init security_module_enable(const char *module)
95
{
C
Casey Schaufler 已提交
96
	return !strcmp(module, chosen_lsm);
97 98
}

99
/*
C
Casey Schaufler 已提交
100
 * Hook list operation macros.
L
Linus Torvalds 已提交
101
 *
102 103
 * call_void_hook:
 *	This is a hook that does not return a value.
L
Linus Torvalds 已提交
104
 *
105 106
 * call_int_hook:
 *	This is a hook that returns a value.
L
Linus Torvalds 已提交
107 108
 */

C
Casey Schaufler 已提交
109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129
#define call_void_hook(FUNC, ...)				\
	do {							\
		struct security_hook_list *P;			\
								\
		list_for_each_entry(P, &security_hook_heads.FUNC, list)	\
			P->hook.FUNC(__VA_ARGS__);		\
	} while (0)

#define call_int_hook(FUNC, IRC, ...) ({			\
	int RC = IRC;						\
	do {							\
		struct security_hook_list *P;			\
								\
		list_for_each_entry(P, &security_hook_heads.FUNC, list) { \
			RC = P->hook.FUNC(__VA_ARGS__);		\
			if (RC != 0)				\
				break;				\
		}						\
	} while (0);						\
	RC;							\
})
L
Linus Torvalds 已提交
130

131 132
/* Security operations */

133 134
int security_binder_set_context_mgr(struct task_struct *mgr)
{
135
	return call_int_hook(binder_set_context_mgr, 0, mgr);
136 137 138 139 140
}

int security_binder_transaction(struct task_struct *from,
				struct task_struct *to)
{
141
	return call_int_hook(binder_transaction, 0, from, to);
142 143 144 145 146
}

int security_binder_transfer_binder(struct task_struct *from,
				    struct task_struct *to)
{
147
	return call_int_hook(binder_transfer_binder, 0, from, to);
148 149 150 151 152
}

int security_binder_transfer_file(struct task_struct *from,
				  struct task_struct *to, struct file *file)
{
153
	return call_int_hook(binder_transfer_file, 0, from, to, file);
154 155
}

156
int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
157
{
158
	return call_int_hook(ptrace_access_check, 0, child, mode);
159 160 161 162
}

int security_ptrace_traceme(struct task_struct *parent)
{
163
	return call_int_hook(ptrace_traceme, 0, parent);
164 165 166 167 168 169 170
}

int security_capget(struct task_struct *target,
		     kernel_cap_t *effective,
		     kernel_cap_t *inheritable,
		     kernel_cap_t *permitted)
{
171 172
	return call_int_hook(capget, 0, target,
				effective, inheritable, permitted);
173 174
}

D
David Howells 已提交
175 176 177 178
int security_capset(struct cred *new, const struct cred *old,
		    const kernel_cap_t *effective,
		    const kernel_cap_t *inheritable,
		    const kernel_cap_t *permitted)
179
{
180 181
	return call_int_hook(capset, 0, new, old,
				effective, inheritable, permitted);
182 183
}

184
int security_capable(const struct cred *cred, struct user_namespace *ns,
185
		     int cap)
186
{
187
	return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT);
188 189
}

190 191
int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
			     int cap)
192
{
193
	return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT);
194 195 196 197
}

int security_quotactl(int cmds, int type, int id, struct super_block *sb)
{
198
	return call_int_hook(quotactl, 0, cmds, type, id, sb);
199 200 201 202
}

int security_quota_on(struct dentry *dentry)
{
203
	return call_int_hook(quota_on, 0, dentry);
204 205
}

206
int security_syslog(int type)
207
{
208
	return call_int_hook(syslog, 0, type);
209 210
}

211
int security_settime(const struct timespec *ts, const struct timezone *tz)
212
{
213
	return call_int_hook(settime, 0, ts, tz);
214 215 216 217
}

int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
{
C
Casey Schaufler 已提交
218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236
	struct security_hook_list *hp;
	int cap_sys_admin = 1;
	int rc;

	/*
	 * The module will respond with a positive value if
	 * it thinks the __vm_enough_memory() call should be
	 * made with the cap_sys_admin set. If all of the modules
	 * agree that it should be set it will. If any module
	 * thinks it should not be set it won't.
	 */
	list_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) {
		rc = hp->hook.vm_enough_memory(mm, pages);
		if (rc <= 0) {
			cap_sys_admin = 0;
			break;
		}
	}
	return __vm_enough_memory(mm, pages, cap_sys_admin);
237 238
}

239
int security_bprm_set_creds(struct linux_binprm *bprm)
240
{
241
	return call_int_hook(bprm_set_creds, 0, bprm);
242 243
}

244
int security_bprm_check(struct linux_binprm *bprm)
245
{
246 247
	int ret;

248
	ret = call_int_hook(bprm_check_security, 0, bprm);
249 250 251
	if (ret)
		return ret;
	return ima_bprm_check(bprm);
252 253
}

254
void security_bprm_committing_creds(struct linux_binprm *bprm)
255
{
256
	call_void_hook(bprm_committing_creds, bprm);
257 258
}

259
void security_bprm_committed_creds(struct linux_binprm *bprm)
260
{
261
	call_void_hook(bprm_committed_creds, bprm);
262 263 264 265
}

int security_bprm_secureexec(struct linux_binprm *bprm)
{
266
	return call_int_hook(bprm_secureexec, 0, bprm);
267 268 269 270
}

int security_sb_alloc(struct super_block *sb)
{
271
	return call_int_hook(sb_alloc_security, 0, sb);
272 273 274 275
}

void security_sb_free(struct super_block *sb)
{
276
	call_void_hook(sb_free_security, sb);
277 278
}

279
int security_sb_copy_data(char *orig, char *copy)
280
{
281
	return call_int_hook(sb_copy_data, 0, orig, copy);
282
}
283
EXPORT_SYMBOL(security_sb_copy_data);
284

285 286
int security_sb_remount(struct super_block *sb, void *data)
{
287
	return call_int_hook(sb_remount, 0, sb, data);
288 289
}

290
int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
291
{
292
	return call_int_hook(sb_kern_mount, 0, sb, flags, data);
293 294
}

295 296
int security_sb_show_options(struct seq_file *m, struct super_block *sb)
{
297
	return call_int_hook(sb_show_options, 0, m, sb);
298 299
}

300 301
int security_sb_statfs(struct dentry *dentry)
{
302
	return call_int_hook(sb_statfs, 0, dentry);
303 304
}

A
Al Viro 已提交
305 306
int security_sb_mount(const char *dev_name, struct path *path,
                       const char *type, unsigned long flags, void *data)
307
{
308
	return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data);
309 310 311 312
}

int security_sb_umount(struct vfsmount *mnt, int flags)
{
313
	return call_int_hook(sb_umount, 0, mnt, flags);
314 315
}

316
int security_sb_pivotroot(struct path *old_path, struct path *new_path)
317
{
318
	return call_int_hook(sb_pivotroot, 0, old_path, new_path);
319 320
}

321
int security_sb_set_mnt_opts(struct super_block *sb,
322 323 324
				struct security_mnt_opts *opts,
				unsigned long kern_flags,
				unsigned long *set_kern_flags)
325
{
C
Casey Schaufler 已提交
326 327 328
	return call_int_hook(sb_set_mnt_opts,
				opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb,
				opts, kern_flags, set_kern_flags);
329
}
330
EXPORT_SYMBOL(security_sb_set_mnt_opts);
331

332
int security_sb_clone_mnt_opts(const struct super_block *oldsb,
333 334
				struct super_block *newsb)
{
335
	return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb);
336
}
337 338 339 340
EXPORT_SYMBOL(security_sb_clone_mnt_opts);

int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
{
341
	return call_int_hook(sb_parse_opts_str, 0, options, opts);
342 343
}
EXPORT_SYMBOL(security_sb_parse_opts_str);
344

345 346 347
int security_inode_alloc(struct inode *inode)
{
	inode->i_security = NULL;
348
	return call_int_hook(inode_alloc_security, 0, inode);
349 350 351 352
}

void security_inode_free(struct inode *inode)
{
353
	integrity_inode_free(inode);
354
	call_void_hook(inode_free_security, inode);
355 356
}

357 358 359 360
int security_dentry_init_security(struct dentry *dentry, int mode,
					struct qstr *name, void **ctx,
					u32 *ctxlen)
{
C
Casey Schaufler 已提交
361 362
	return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode,
				name, ctx, ctxlen);
363 364 365
}
EXPORT_SYMBOL(security_dentry_init_security);

366
int security_inode_init_security(struct inode *inode, struct inode *dir,
367 368
				 const struct qstr *qstr,
				 const initxattrs initxattrs, void *fs_data)
369
{
370 371
	struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
	struct xattr *lsm_xattr, *evm_xattr, *xattr;
372 373
	int ret;

374
	if (unlikely(IS_PRIVATE(inode)))
375
		return 0;
376 377

	if (!initxattrs)
378 379
		return call_int_hook(inode_init_security, -EOPNOTSUPP, inode,
				     dir, qstr, NULL, NULL, NULL);
380
	memset(new_xattrs, 0, sizeof(new_xattrs));
381
	lsm_xattr = new_xattrs;
C
Casey Schaufler 已提交
382
	ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr,
383 384 385 386 387
						&lsm_xattr->name,
						&lsm_xattr->value,
						&lsm_xattr->value_len);
	if (ret)
		goto out;
388 389 390 391 392

	evm_xattr = lsm_xattr + 1;
	ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
	if (ret)
		goto out;
393 394
	ret = initxattrs(inode, new_xattrs, fs_data);
out:
395
	for (xattr = new_xattrs; xattr->value != NULL; xattr++)
396
		kfree(xattr->value);
397 398 399 400 401
	return (ret == -EOPNOTSUPP) ? 0 : ret;
}
EXPORT_SYMBOL(security_inode_init_security);

int security_old_inode_init_security(struct inode *inode, struct inode *dir,
402
				     const struct qstr *qstr, const char **name,
403
				     void **value, size_t *len)
404 405
{
	if (unlikely(IS_PRIVATE(inode)))
406
		return -EOPNOTSUPP;
407 408
	return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir,
			     qstr, name, value, len);
409
}
410
EXPORT_SYMBOL(security_old_inode_init_security);
411

412
#ifdef CONFIG_SECURITY_PATH
A
Al Viro 已提交
413
int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
414 415
			unsigned int dev)
{
416
	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
417
		return 0;
418
	return call_int_hook(path_mknod, 0, dir, dentry, mode, dev);
419 420 421
}
EXPORT_SYMBOL(security_path_mknod);

A
Al Viro 已提交
422
int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
423
{
424
	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
425
		return 0;
426
	return call_int_hook(path_mkdir, 0, dir, dentry, mode);
427
}
428
EXPORT_SYMBOL(security_path_mkdir);
429

430
int security_path_rmdir(struct path *dir, struct dentry *dentry)
431
{
432
	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
433
		return 0;
434
	return call_int_hook(path_rmdir, 0, dir, dentry);
435 436
}

437
int security_path_unlink(struct path *dir, struct dentry *dentry)
438
{
439
	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
440
		return 0;
441
	return call_int_hook(path_unlink, 0, dir, dentry);
442
}
443
EXPORT_SYMBOL(security_path_unlink);
444

445
int security_path_symlink(struct path *dir, struct dentry *dentry,
446 447
			  const char *old_name)
{
448
	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
449
		return 0;
450
	return call_int_hook(path_symlink, 0, dir, dentry, old_name);
451 452 453 454 455
}

int security_path_link(struct dentry *old_dentry, struct path *new_dir,
		       struct dentry *new_dentry)
{
456
	if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
457
		return 0;
458
	return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
459 460 461
}

int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
462 463
			 struct path *new_dir, struct dentry *new_dentry,
			 unsigned int flags)
464
{
465 466
	if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
		     (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
467
		return 0;
M
Miklos Szeredi 已提交
468 469

	if (flags & RENAME_EXCHANGE) {
470 471
		int err = call_int_hook(path_rename, 0, new_dir, new_dentry,
					old_dir, old_dentry);
M
Miklos Szeredi 已提交
472 473 474 475
		if (err)
			return err;
	}

476 477
	return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir,
				new_dentry);
478
}
479
EXPORT_SYMBOL(security_path_rename);
480

481
int security_path_truncate(struct path *path)
482
{
483
	if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
484
		return 0;
485
	return call_int_hook(path_truncate, 0, path);
486
}
487

488
int security_path_chmod(struct path *path, umode_t mode)
489
{
490
	if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
491
		return 0;
492
	return call_int_hook(path_chmod, 0, path, mode);
493 494
}

495
int security_path_chown(struct path *path, kuid_t uid, kgid_t gid)
496
{
497
	if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
498
		return 0;
499
	return call_int_hook(path_chown, 0, path, uid, gid);
500
}
T
Tetsuo Handa 已提交
501 502 503

int security_path_chroot(struct path *path)
{
504
	return call_int_hook(path_chroot, 0, path);
T
Tetsuo Handa 已提交
505
}
506 507
#endif

A
Al Viro 已提交
508
int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
509 510 511
{
	if (unlikely(IS_PRIVATE(dir)))
		return 0;
512
	return call_int_hook(inode_create, 0, dir, dentry, mode);
513
}
514
EXPORT_SYMBOL_GPL(security_inode_create);
515 516 517 518

int security_inode_link(struct dentry *old_dentry, struct inode *dir,
			 struct dentry *new_dentry)
{
519
	if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
520
		return 0;
521
	return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry);
522 523 524 525
}

int security_inode_unlink(struct inode *dir, struct dentry *dentry)
{
526
	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
527
		return 0;
528
	return call_int_hook(inode_unlink, 0, dir, dentry);
529 530 531 532 533 534 535
}

int security_inode_symlink(struct inode *dir, struct dentry *dentry,
			    const char *old_name)
{
	if (unlikely(IS_PRIVATE(dir)))
		return 0;
536
	return call_int_hook(inode_symlink, 0, dir, dentry, old_name);
537 538
}

539
int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
540 541 542
{
	if (unlikely(IS_PRIVATE(dir)))
		return 0;
543
	return call_int_hook(inode_mkdir, 0, dir, dentry, mode);
544
}
545
EXPORT_SYMBOL_GPL(security_inode_mkdir);
546 547 548

int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
{
549
	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
550
		return 0;
551
	return call_int_hook(inode_rmdir, 0, dir, dentry);
552 553
}

A
Al Viro 已提交
554
int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
555 556 557
{
	if (unlikely(IS_PRIVATE(dir)))
		return 0;
558
	return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev);
559 560 561
}

int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
562 563
			   struct inode *new_dir, struct dentry *new_dentry,
			   unsigned int flags)
564
{
565 566
        if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
            (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
567
		return 0;
M
Miklos Szeredi 已提交
568 569

	if (flags & RENAME_EXCHANGE) {
570
		int err = call_int_hook(inode_rename, 0, new_dir, new_dentry,
M
Miklos Szeredi 已提交
571 572 573 574 575
						     old_dir, old_dentry);
		if (err)
			return err;
	}

576
	return call_int_hook(inode_rename, 0, old_dir, old_dentry,
577 578 579 580 581
					   new_dir, new_dentry);
}

int security_inode_readlink(struct dentry *dentry)
{
582
	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
583
		return 0;
584
	return call_int_hook(inode_readlink, 0, dentry);
585 586
}

587 588
int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
			       bool rcu)
589
{
590
	if (unlikely(IS_PRIVATE(inode)))
591
		return 0;
592
	return call_int_hook(inode_follow_link, 0, dentry, inode, rcu);
593 594
}

595
int security_inode_permission(struct inode *inode, int mask)
596 597 598
{
	if (unlikely(IS_PRIVATE(inode)))
		return 0;
599
	return call_int_hook(inode_permission, 0, inode, mask);
600 601 602 603
}

int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
{
604 605
	int ret;

606
	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
607
		return 0;
608
	ret = call_int_hook(inode_setattr, 0, dentry, attr);
609 610 611
	if (ret)
		return ret;
	return evm_inode_setattr(dentry, attr);
612
}
613
EXPORT_SYMBOL_GPL(security_inode_setattr);
614

615
int security_inode_getattr(const struct path *path)
616
{
617
	if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
618
		return 0;
619
	return call_int_hook(inode_getattr, 0, path);
620 621
}

622 623
int security_inode_setxattr(struct dentry *dentry, const char *name,
			    const void *value, size_t size, int flags)
624
{
625 626
	int ret;

627
	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
628
		return 0;
C
Casey Schaufler 已提交
629 630 631 632 633
	/*
	 * SELinux and Smack integrate the cap call,
	 * so assume that all LSMs supplying this call do so.
	 */
	ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size,
634
				flags);
C
Casey Schaufler 已提交
635 636 637

	if (ret == 1)
		ret = cap_inode_setxattr(dentry, name, value, size, flags);
638 639 640
	if (ret)
		return ret;
	ret = ima_inode_setxattr(dentry, name, value, size);
641 642 643
	if (ret)
		return ret;
	return evm_inode_setxattr(dentry, name, value, size);
644 645
}

646 647
void security_inode_post_setxattr(struct dentry *dentry, const char *name,
				  const void *value, size_t size, int flags)
648
{
649
	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
650
		return;
651
	call_void_hook(inode_post_setxattr, dentry, name, value, size, flags);
652
	evm_inode_post_setxattr(dentry, name, value, size);
653 654
}

655
int security_inode_getxattr(struct dentry *dentry, const char *name)
656
{
657
	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
658
		return 0;
659
	return call_int_hook(inode_getxattr, 0, dentry, name);
660 661 662 663
}

int security_inode_listxattr(struct dentry *dentry)
{
664
	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
665
		return 0;
666
	return call_int_hook(inode_listxattr, 0, dentry);
667 668
}

669
int security_inode_removexattr(struct dentry *dentry, const char *name)
670
{
671 672
	int ret;

673
	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
674
		return 0;
C
Casey Schaufler 已提交
675 676 677 678 679 680 681
	/*
	 * SELinux and Smack integrate the cap call,
	 * so assume that all LSMs supplying this call do so.
	 */
	ret = call_int_hook(inode_removexattr, 1, dentry, name);
	if (ret == 1)
		ret = cap_inode_removexattr(dentry, name);
682 683 684
	if (ret)
		return ret;
	ret = ima_inode_removexattr(dentry, name);
685 686 687
	if (ret)
		return ret;
	return evm_inode_removexattr(dentry, name);
688 689
}

690 691
int security_inode_need_killpriv(struct dentry *dentry)
{
692
	return call_int_hook(inode_need_killpriv, 0, dentry);
693 694 695 696
}

int security_inode_killpriv(struct dentry *dentry)
{
697
	return call_int_hook(inode_killpriv, 0, dentry);
698 699
}

700
int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
701 702
{
	if (unlikely(IS_PRIVATE(inode)))
703
		return -EOPNOTSUPP;
C
Casey Schaufler 已提交
704 705
	return call_int_hook(inode_getsecurity, -EOPNOTSUPP, inode, name,
				buffer, alloc);
706 707 708 709 710
}

int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
{
	if (unlikely(IS_PRIVATE(inode)))
711
		return -EOPNOTSUPP;
C
Casey Schaufler 已提交
712 713
	return call_int_hook(inode_setsecurity, -EOPNOTSUPP, inode, name,
				value, size, flags);
714 715 716 717 718 719
}

int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
{
	if (unlikely(IS_PRIVATE(inode)))
		return 0;
720
	return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size);
721
}
722
EXPORT_SYMBOL(security_inode_listsecurity);
723

724 725
void security_inode_getsecid(const struct inode *inode, u32 *secid)
{
726
	call_void_hook(inode_getsecid, inode, secid);
727 728
}

729 730
int security_file_permission(struct file *file, int mask)
{
731 732
	int ret;

733
	ret = call_int_hook(file_permission, 0, file, mask);
734 735 736 737
	if (ret)
		return ret;

	return fsnotify_perm(file, mask);
738 739 740 741
}

int security_file_alloc(struct file *file)
{
742
	return call_int_hook(file_alloc_security, 0, file);
743 744 745 746
}

void security_file_free(struct file *file)
{
747
	call_void_hook(file_free_security, file);
748 749 750 751
}

int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
752
	return call_int_hook(file_ioctl, 0, file, cmd, arg);
753 754
}

755
static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
756
{
757
	/*
758 759
	 * Does we have PROT_READ and does the application expect
	 * it to imply PROT_EXEC?  If not, nothing to talk about...
760
	 */
761 762
	if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ)
		return prot;
763
	if (!(current->personality & READ_IMPLIES_EXEC))
764 765 766 767 768 769 770 771
		return prot;
	/*
	 * if that's an anonymous mapping, let it.
	 */
	if (!file)
		return prot | PROT_EXEC;
	/*
	 * ditto if it's not on noexec mount, except that on !MMU we need
772
	 * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
773
	 */
774
	if (!path_noexec(&file->f_path)) {
775
#ifndef CONFIG_MMU
776 777 778 779 780
		if (file->f_op->mmap_capabilities) {
			unsigned caps = file->f_op->mmap_capabilities(file);
			if (!(caps & NOMMU_MAP_EXEC))
				return prot;
		}
781
#endif
782
		return prot | PROT_EXEC;
783
	}
784 785 786 787 788 789 790 791
	/* anything on noexec mount won't get PROT_EXEC */
	return prot;
}

int security_mmap_file(struct file *file, unsigned long prot,
			unsigned long flags)
{
	int ret;
792
	ret = call_int_hook(mmap_file, 0, file, prot,
793
					mmap_prot(file, prot), flags);
794 795 796
	if (ret)
		return ret;
	return ima_file_mmap(file, prot);
797 798
}

799 800
int security_mmap_addr(unsigned long addr)
{
801
	return call_int_hook(mmap_addr, 0, addr);
802 803
}

804 805 806
int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
			    unsigned long prot)
{
807
	return call_int_hook(file_mprotect, 0, vma, reqprot, prot);
808 809 810 811
}

int security_file_lock(struct file *file, unsigned int cmd)
{
812
	return call_int_hook(file_lock, 0, file, cmd);
813 814 815 816
}

int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
{
817
	return call_int_hook(file_fcntl, 0, file, cmd, arg);
818 819
}

820
void security_file_set_fowner(struct file *file)
821
{
822
	call_void_hook(file_set_fowner, file);
823 824 825 826 827
}

int security_file_send_sigiotask(struct task_struct *tsk,
				  struct fown_struct *fown, int sig)
{
828
	return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig);
829 830 831 832
}

int security_file_receive(struct file *file)
{
833
	return call_int_hook(file_receive, 0, file);
834 835
}

836
int security_file_open(struct file *file, const struct cred *cred)
837
{
838 839
	int ret;

840
	ret = call_int_hook(file_open, 0, file, cred);
841 842 843 844
	if (ret)
		return ret;

	return fsnotify_perm(file, MAY_OPEN);
845 846 847 848
}

int security_task_create(unsigned long clone_flags)
{
849
	return call_int_hook(task_create, 0, clone_flags);
850 851
}

852 853
void security_task_free(struct task_struct *task)
{
854
	call_void_hook(task_free, task);
855 856
}

857 858
int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
{
859
	return call_int_hook(cred_alloc_blank, 0, cred, gfp);
860 861
}

D
David Howells 已提交
862
void security_cred_free(struct cred *cred)
863
{
864
	call_void_hook(cred_free, cred);
865 866
}

D
David Howells 已提交
867
int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
868
{
869
	return call_int_hook(cred_prepare, 0, new, old, gfp);
D
David Howells 已提交
870 871
}

872 873
void security_transfer_creds(struct cred *new, const struct cred *old)
{
874
	call_void_hook(cred_transfer, new, old);
875 876
}

877 878
int security_kernel_act_as(struct cred *new, u32 secid)
{
879
	return call_int_hook(kernel_act_as, 0, new, secid);
880 881 882 883
}

int security_kernel_create_files_as(struct cred *new, struct inode *inode)
{
884
	return call_int_hook(kernel_create_files_as, 0, new, inode);
885 886
}

887 888
int security_kernel_fw_from_file(struct file *file, char *buf, size_t size)
{
889 890
	int ret;

891
	ret = call_int_hook(kernel_fw_from_file, 0, file, buf, size);
892 893 894
	if (ret)
		return ret;
	return ima_fw_from_file(file, buf, size);
895 896 897
}
EXPORT_SYMBOL_GPL(security_kernel_fw_from_file);

898
int security_kernel_module_request(char *kmod_name)
899
{
900
	return call_int_hook(kernel_module_request, 0, kmod_name);
901 902
}

903 904
int security_kernel_module_from_file(struct file *file)
{
905 906
	int ret;

907
	ret = call_int_hook(kernel_module_from_file, 0, file);
908 909 910
	if (ret)
		return ret;
	return ima_module_check(file);
911 912
}

D
David Howells 已提交
913 914
int security_task_fix_setuid(struct cred *new, const struct cred *old,
			     int flags)
915
{
916
	return call_int_hook(task_fix_setuid, 0, new, old, flags);
917 918 919 920
}

int security_task_setpgid(struct task_struct *p, pid_t pgid)
{
921
	return call_int_hook(task_setpgid, 0, p, pgid);
922 923 924 925
}

int security_task_getpgid(struct task_struct *p)
{
926
	return call_int_hook(task_getpgid, 0, p);
927 928 929 930
}

int security_task_getsid(struct task_struct *p)
{
931
	return call_int_hook(task_getsid, 0, p);
932 933 934 935
}

void security_task_getsecid(struct task_struct *p, u32 *secid)
{
C
Casey Schaufler 已提交
936
	*secid = 0;
937
	call_void_hook(task_getsecid, p, secid);
938 939 940 941 942
}
EXPORT_SYMBOL(security_task_getsecid);

int security_task_setnice(struct task_struct *p, int nice)
{
943
	return call_int_hook(task_setnice, 0, p, nice);
944 945 946 947
}

int security_task_setioprio(struct task_struct *p, int ioprio)
{
948
	return call_int_hook(task_setioprio, 0, p, ioprio);
949 950 951 952
}

int security_task_getioprio(struct task_struct *p)
{
953
	return call_int_hook(task_getioprio, 0, p);
954 955
}

956 957
int security_task_setrlimit(struct task_struct *p, unsigned int resource,
		struct rlimit *new_rlim)
958
{
959
	return call_int_hook(task_setrlimit, 0, p, resource, new_rlim);
960 961
}

962
int security_task_setscheduler(struct task_struct *p)
963
{
964
	return call_int_hook(task_setscheduler, 0, p);
965 966 967 968
}

int security_task_getscheduler(struct task_struct *p)
{
969
	return call_int_hook(task_getscheduler, 0, p);
970 971 972 973
}

int security_task_movememory(struct task_struct *p)
{
974
	return call_int_hook(task_movememory, 0, p);
975 976 977 978 979
}

int security_task_kill(struct task_struct *p, struct siginfo *info,
			int sig, u32 secid)
{
980
	return call_int_hook(task_kill, 0, p, info, sig, secid);
981 982 983 984
}

int security_task_wait(struct task_struct *p)
{
985
	return call_int_hook(task_wait, 0, p);
986 987 988
}

int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
D
David Howells 已提交
989
			 unsigned long arg4, unsigned long arg5)
990
{
C
Casey Schaufler 已提交
991 992 993 994 995 996 997 998 999 1000 1001 1002 1003
	int thisrc;
	int rc = -ENOSYS;
	struct security_hook_list *hp;

	list_for_each_entry(hp, &security_hook_heads.task_prctl, list) {
		thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5);
		if (thisrc != -ENOSYS) {
			rc = thisrc;
			if (thisrc != 0)
				break;
		}
	}
	return rc;
1004 1005 1006 1007
}

void security_task_to_inode(struct task_struct *p, struct inode *inode)
{
1008
	call_void_hook(task_to_inode, p, inode);
1009 1010 1011 1012
}

int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
{
1013
	return call_int_hook(ipc_permission, 0, ipcp, flag);
1014 1015
}

1016 1017
void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
{
C
Casey Schaufler 已提交
1018
	*secid = 0;
1019
	call_void_hook(ipc_getsecid, ipcp, secid);
1020 1021
}

1022 1023
int security_msg_msg_alloc(struct msg_msg *msg)
{
1024
	return call_int_hook(msg_msg_alloc_security, 0, msg);
1025 1026 1027 1028
}

void security_msg_msg_free(struct msg_msg *msg)
{
1029
	call_void_hook(msg_msg_free_security, msg);
1030 1031 1032 1033
}

int security_msg_queue_alloc(struct msg_queue *msq)
{
1034
	return call_int_hook(msg_queue_alloc_security, 0, msq);
1035 1036 1037 1038
}

void security_msg_queue_free(struct msg_queue *msq)
{
1039
	call_void_hook(msg_queue_free_security, msq);
1040 1041 1042 1043
}

int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
{
1044
	return call_int_hook(msg_queue_associate, 0, msq, msqflg);
1045 1046 1047 1048
}

int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
{
1049
	return call_int_hook(msg_queue_msgctl, 0, msq, cmd);
1050 1051 1052 1053 1054
}

int security_msg_queue_msgsnd(struct msg_queue *msq,
			       struct msg_msg *msg, int msqflg)
{
1055
	return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg);
1056 1057 1058 1059 1060
}

int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
			       struct task_struct *target, long type, int mode)
{
1061
	return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode);
1062 1063 1064 1065
}

int security_shm_alloc(struct shmid_kernel *shp)
{
1066
	return call_int_hook(shm_alloc_security, 0, shp);
1067 1068 1069 1070
}

void security_shm_free(struct shmid_kernel *shp)
{
1071
	call_void_hook(shm_free_security, shp);
1072 1073 1074 1075
}

int security_shm_associate(struct shmid_kernel *shp, int shmflg)
{
1076
	return call_int_hook(shm_associate, 0, shp, shmflg);
1077 1078 1079 1080
}

int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
{
1081
	return call_int_hook(shm_shmctl, 0, shp, cmd);
1082 1083 1084 1085
}

int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
{
1086
	return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg);
1087 1088 1089 1090
}

int security_sem_alloc(struct sem_array *sma)
{
1091
	return call_int_hook(sem_alloc_security, 0, sma);
1092 1093 1094 1095
}

void security_sem_free(struct sem_array *sma)
{
1096
	call_void_hook(sem_free_security, sma);
1097 1098 1099 1100
}

int security_sem_associate(struct sem_array *sma, int semflg)
{
1101
	return call_int_hook(sem_associate, 0, sma, semflg);
1102 1103 1104 1105
}

int security_sem_semctl(struct sem_array *sma, int cmd)
{
1106
	return call_int_hook(sem_semctl, 0, sma, cmd);
1107 1108 1109 1110 1111
}

int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
			unsigned nsops, int alter)
{
1112
	return call_int_hook(sem_semop, 0, sma, sops, nsops, alter);
1113 1114 1115 1116 1117 1118
}

void security_d_instantiate(struct dentry *dentry, struct inode *inode)
{
	if (unlikely(inode && IS_PRIVATE(inode)))
		return;
1119
	call_void_hook(d_instantiate, dentry, inode);
1120 1121 1122 1123 1124
}
EXPORT_SYMBOL(security_d_instantiate);

int security_getprocattr(struct task_struct *p, char *name, char **value)
{
C
Casey Schaufler 已提交
1125
	return call_int_hook(getprocattr, -EINVAL, p, name, value);
1126 1127 1128 1129
}

int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
{
C
Casey Schaufler 已提交
1130
	return call_int_hook(setprocattr, -EINVAL, p, name, value, size);
1131 1132 1133 1134
}

int security_netlink_send(struct sock *sk, struct sk_buff *skb)
{
1135
	return call_int_hook(netlink_send, 0, sk, skb);
1136 1137
}

1138 1139
int security_ismaclabel(const char *name)
{
1140
	return call_int_hook(ismaclabel, 0, name);
1141 1142 1143
}
EXPORT_SYMBOL(security_ismaclabel);

1144 1145
int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
{
C
Casey Schaufler 已提交
1146 1147
	return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata,
				seclen);
1148 1149 1150
}
EXPORT_SYMBOL(security_secid_to_secctx);

1151
int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
1152
{
C
Casey Schaufler 已提交
1153
	*secid = 0;
1154
	return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid);
1155 1156 1157
}
EXPORT_SYMBOL(security_secctx_to_secid);

1158 1159
void security_release_secctx(char *secdata, u32 seclen)
{
1160
	call_void_hook(release_secctx, secdata, seclen);
1161 1162 1163
}
EXPORT_SYMBOL(security_release_secctx);

1164 1165
int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
{
1166
	return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen);
1167 1168 1169 1170 1171
}
EXPORT_SYMBOL(security_inode_notifysecctx);

int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
{
1172
	return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen);
1173 1174 1175 1176 1177
}
EXPORT_SYMBOL(security_inode_setsecctx);

int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
{
C
Casey Schaufler 已提交
1178
	return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen);
1179 1180 1181
}
EXPORT_SYMBOL(security_inode_getsecctx);

1182 1183
#ifdef CONFIG_SECURITY_NETWORK

1184
int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
1185
{
1186
	return call_int_hook(unix_stream_connect, 0, sock, other, newsk);
1187 1188 1189 1190 1191
}
EXPORT_SYMBOL(security_unix_stream_connect);

int security_unix_may_send(struct socket *sock,  struct socket *other)
{
1192
	return call_int_hook(unix_may_send, 0, sock, other);
1193 1194 1195 1196 1197
}
EXPORT_SYMBOL(security_unix_may_send);

int security_socket_create(int family, int type, int protocol, int kern)
{
1198
	return call_int_hook(socket_create, 0, family, type, protocol, kern);
1199 1200 1201 1202 1203
}

int security_socket_post_create(struct socket *sock, int family,
				int type, int protocol, int kern)
{
1204
	return call_int_hook(socket_post_create, 0, sock, family, type,
1205 1206 1207 1208 1209
						protocol, kern);
}

int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
{
1210
	return call_int_hook(socket_bind, 0, sock, address, addrlen);
1211 1212 1213 1214
}

int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
{
1215
	return call_int_hook(socket_connect, 0, sock, address, addrlen);
1216 1217 1218 1219
}

int security_socket_listen(struct socket *sock, int backlog)
{
1220
	return call_int_hook(socket_listen, 0, sock, backlog);
1221 1222 1223 1224
}

int security_socket_accept(struct socket *sock, struct socket *newsock)
{
1225
	return call_int_hook(socket_accept, 0, sock, newsock);
1226 1227 1228 1229
}

int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
{
1230
	return call_int_hook(socket_sendmsg, 0, sock, msg, size);
1231 1232 1233 1234 1235
}

int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
			    int size, int flags)
{
1236
	return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags);
1237 1238 1239 1240
}

int security_socket_getsockname(struct socket *sock)
{
1241
	return call_int_hook(socket_getsockname, 0, sock);
1242 1243 1244 1245
}

int security_socket_getpeername(struct socket *sock)
{
1246
	return call_int_hook(socket_getpeername, 0, sock);
1247 1248 1249 1250
}

int security_socket_getsockopt(struct socket *sock, int level, int optname)
{
1251
	return call_int_hook(socket_getsockopt, 0, sock, level, optname);
1252 1253 1254 1255
}

int security_socket_setsockopt(struct socket *sock, int level, int optname)
{
1256
	return call_int_hook(socket_setsockopt, 0, sock, level, optname);
1257 1258 1259 1260
}

int security_socket_shutdown(struct socket *sock, int how)
{
1261
	return call_int_hook(socket_shutdown, 0, sock, how);
1262 1263 1264 1265
}

int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
{
1266
	return call_int_hook(socket_sock_rcv_skb, 0, sk, skb);
1267 1268 1269 1270 1271 1272
}
EXPORT_SYMBOL(security_sock_rcv_skb);

int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
				      int __user *optlen, unsigned len)
{
C
Casey Schaufler 已提交
1273 1274
	return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock,
				optval, optlen, len);
1275 1276 1277 1278
}

int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
{
1279 1280
	return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock,
			     skb, secid);
1281 1282 1283 1284 1285
}
EXPORT_SYMBOL(security_socket_getpeersec_dgram);

int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
{
1286
	return call_int_hook(sk_alloc_security, 0, sk, family, priority);
1287 1288 1289 1290
}

void security_sk_free(struct sock *sk)
{
1291
	call_void_hook(sk_free_security, sk);
1292 1293 1294 1295
}

void security_sk_clone(const struct sock *sk, struct sock *newsk)
{
1296
	call_void_hook(sk_clone_security, sk, newsk);
1297
}
1298
EXPORT_SYMBOL(security_sk_clone);
1299 1300 1301

void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
{
1302
	call_void_hook(sk_getsecid, sk, &fl->flowi_secid);
1303 1304 1305 1306 1307
}
EXPORT_SYMBOL(security_sk_classify_flow);

void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
{
1308
	call_void_hook(req_classify_flow, req, fl);
1309 1310 1311 1312 1313
}
EXPORT_SYMBOL(security_req_classify_flow);

void security_sock_graft(struct sock *sk, struct socket *parent)
{
1314
	call_void_hook(sock_graft, sk, parent);
1315 1316 1317 1318 1319 1320
}
EXPORT_SYMBOL(security_sock_graft);

int security_inet_conn_request(struct sock *sk,
			struct sk_buff *skb, struct request_sock *req)
{
1321
	return call_int_hook(inet_conn_request, 0, sk, skb, req);
1322 1323 1324 1325 1326 1327
}
EXPORT_SYMBOL(security_inet_conn_request);

void security_inet_csk_clone(struct sock *newsk,
			const struct request_sock *req)
{
1328
	call_void_hook(inet_csk_clone, newsk, req);
1329 1330 1331 1332 1333
}

void security_inet_conn_established(struct sock *sk,
			struct sk_buff *skb)
{
1334
	call_void_hook(inet_conn_established, sk, skb);
1335 1336
}

1337 1338
int security_secmark_relabel_packet(u32 secid)
{
1339
	return call_int_hook(secmark_relabel_packet, 0, secid);
1340 1341 1342 1343 1344
}
EXPORT_SYMBOL(security_secmark_relabel_packet);

void security_secmark_refcount_inc(void)
{
1345
	call_void_hook(secmark_refcount_inc);
1346 1347 1348 1349 1350
}
EXPORT_SYMBOL(security_secmark_refcount_inc);

void security_secmark_refcount_dec(void)
{
1351
	call_void_hook(secmark_refcount_dec);
1352 1353 1354
}
EXPORT_SYMBOL(security_secmark_refcount_dec);

1355 1356
int security_tun_dev_alloc_security(void **security)
{
1357
	return call_int_hook(tun_dev_alloc_security, 0, security);
1358 1359 1360 1361 1362
}
EXPORT_SYMBOL(security_tun_dev_alloc_security);

void security_tun_dev_free_security(void *security)
{
1363
	call_void_hook(tun_dev_free_security, security);
1364 1365 1366
}
EXPORT_SYMBOL(security_tun_dev_free_security);

P
Paul Moore 已提交
1367 1368
int security_tun_dev_create(void)
{
1369
	return call_int_hook(tun_dev_create, 0);
P
Paul Moore 已提交
1370 1371 1372
}
EXPORT_SYMBOL(security_tun_dev_create);

1373
int security_tun_dev_attach_queue(void *security)
P
Paul Moore 已提交
1374
{
1375
	return call_int_hook(tun_dev_attach_queue, 0, security);
P
Paul Moore 已提交
1376
}
1377
EXPORT_SYMBOL(security_tun_dev_attach_queue);
P
Paul Moore 已提交
1378

1379
int security_tun_dev_attach(struct sock *sk, void *security)
P
Paul Moore 已提交
1380
{
1381
	return call_int_hook(tun_dev_attach, 0, sk, security);
P
Paul Moore 已提交
1382 1383 1384
}
EXPORT_SYMBOL(security_tun_dev_attach);

1385 1386
int security_tun_dev_open(void *security)
{
1387
	return call_int_hook(tun_dev_open, 0, security);
1388 1389 1390
}
EXPORT_SYMBOL(security_tun_dev_open);

1391 1392 1393 1394
#endif	/* CONFIG_SECURITY_NETWORK */

#ifdef CONFIG_SECURITY_NETWORK_XFRM

1395 1396 1397
int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
			       struct xfrm_user_sec_ctx *sec_ctx,
			       gfp_t gfp)
1398
{
1399
	return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp);
1400 1401 1402
}
EXPORT_SYMBOL(security_xfrm_policy_alloc);

1403 1404
int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
			      struct xfrm_sec_ctx **new_ctxp)
1405
{
1406
	return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp);
1407 1408
}

1409
void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1410
{
1411
	call_void_hook(xfrm_policy_free_security, ctx);
1412 1413 1414
}
EXPORT_SYMBOL(security_xfrm_policy_free);

1415
int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1416
{
1417
	return call_int_hook(xfrm_policy_delete_security, 0, ctx);
1418 1419
}

1420 1421
int security_xfrm_state_alloc(struct xfrm_state *x,
			      struct xfrm_user_sec_ctx *sec_ctx)
1422
{
1423
	return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx);
1424 1425 1426 1427 1428 1429
}
EXPORT_SYMBOL(security_xfrm_state_alloc);

int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
				      struct xfrm_sec_ctx *polsec, u32 secid)
{
1430
	return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid);
1431 1432 1433 1434
}

int security_xfrm_state_delete(struct xfrm_state *x)
{
1435
	return call_int_hook(xfrm_state_delete_security, 0, x);
1436 1437 1438 1439 1440
}
EXPORT_SYMBOL(security_xfrm_state_delete);

void security_xfrm_state_free(struct xfrm_state *x)
{
1441
	call_void_hook(xfrm_state_free_security, x);
1442 1443
}

1444
int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1445
{
1446
	return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir);
1447 1448 1449
}

int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1450 1451
				       struct xfrm_policy *xp,
				       const struct flowi *fl)
1452
{
C
Casey Schaufler 已提交
1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470
	struct security_hook_list *hp;
	int rc = 1;

	/*
	 * Since this function is expected to return 0 or 1, the judgment
	 * becomes difficult if multiple LSMs supply this call. Fortunately,
	 * we can use the first LSM's judgment because currently only SELinux
	 * supplies this call.
	 *
	 * For speed optimization, we explicitly break the loop rather than
	 * using the macro
	 */
	list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match,
				list) {
		rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl);
		break;
	}
	return rc;
1471 1472 1473 1474
}

int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
{
1475
	return call_int_hook(xfrm_decode_session, 0, skb, secid, 1);
1476 1477 1478 1479
}

void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
{
1480 1481
	int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid,
				0);
1482 1483 1484 1485 1486 1487 1488 1489 1490

	BUG_ON(rc);
}
EXPORT_SYMBOL(security_skb_classify_flow);

#endif	/* CONFIG_SECURITY_NETWORK_XFRM */

#ifdef CONFIG_KEYS

D
David Howells 已提交
1491 1492
int security_key_alloc(struct key *key, const struct cred *cred,
		       unsigned long flags)
1493
{
1494
	return call_int_hook(key_alloc, 0, key, cred, flags);
1495 1496 1497 1498
}

void security_key_free(struct key *key)
{
1499
	call_void_hook(key_free, key);
1500 1501 1502
}

int security_key_permission(key_ref_t key_ref,
1503
			    const struct cred *cred, unsigned perm)
1504
{
1505
	return call_int_hook(key_permission, 0, key_ref, cred, perm);
1506 1507
}

1508 1509
int security_key_getsecurity(struct key *key, char **_buffer)
{
C
Casey Schaufler 已提交
1510
	*_buffer = NULL;
1511
	return call_int_hook(key_getsecurity, 0, key, _buffer);
1512 1513
}

1514
#endif	/* CONFIG_KEYS */
1515 1516 1517 1518 1519

#ifdef CONFIG_AUDIT

int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
{
1520
	return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule);
1521 1522 1523 1524
}

int security_audit_rule_known(struct audit_krule *krule)
{
1525
	return call_int_hook(audit_rule_known, 0, krule);
1526 1527 1528 1529
}

void security_audit_rule_free(void *lsmrule)
{
1530
	call_void_hook(audit_rule_free, lsmrule);
1531 1532 1533 1534 1535
}

int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
			      struct audit_context *actx)
{
1536 1537
	return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule,
				actx);
1538
}
C
Casey Schaufler 已提交
1539
#endif /* CONFIG_AUDIT */
1540

C
Casey Schaufler 已提交
1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883
struct security_hook_heads security_hook_heads = {
	.binder_set_context_mgr =
		LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr),
	.binder_transaction =
		LIST_HEAD_INIT(security_hook_heads.binder_transaction),
	.binder_transfer_binder =
		LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder),
	.binder_transfer_file =
		LIST_HEAD_INIT(security_hook_heads.binder_transfer_file),

	.ptrace_access_check =
		LIST_HEAD_INIT(security_hook_heads.ptrace_access_check),
	.ptrace_traceme =
		LIST_HEAD_INIT(security_hook_heads.ptrace_traceme),
	.capget =	LIST_HEAD_INIT(security_hook_heads.capget),
	.capset =	LIST_HEAD_INIT(security_hook_heads.capset),
	.capable =	LIST_HEAD_INIT(security_hook_heads.capable),
	.quotactl =	LIST_HEAD_INIT(security_hook_heads.quotactl),
	.quota_on =	LIST_HEAD_INIT(security_hook_heads.quota_on),
	.syslog =	LIST_HEAD_INIT(security_hook_heads.syslog),
	.settime =	LIST_HEAD_INIT(security_hook_heads.settime),
	.vm_enough_memory =
		LIST_HEAD_INIT(security_hook_heads.vm_enough_memory),
	.bprm_set_creds =
		LIST_HEAD_INIT(security_hook_heads.bprm_set_creds),
	.bprm_check_security =
		LIST_HEAD_INIT(security_hook_heads.bprm_check_security),
	.bprm_secureexec =
		LIST_HEAD_INIT(security_hook_heads.bprm_secureexec),
	.bprm_committing_creds =
		LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds),
	.bprm_committed_creds =
		LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds),
	.sb_alloc_security =
		LIST_HEAD_INIT(security_hook_heads.sb_alloc_security),
	.sb_free_security =
		LIST_HEAD_INIT(security_hook_heads.sb_free_security),
	.sb_copy_data =	LIST_HEAD_INIT(security_hook_heads.sb_copy_data),
	.sb_remount =	LIST_HEAD_INIT(security_hook_heads.sb_remount),
	.sb_kern_mount =
		LIST_HEAD_INIT(security_hook_heads.sb_kern_mount),
	.sb_show_options =
		LIST_HEAD_INIT(security_hook_heads.sb_show_options),
	.sb_statfs =	LIST_HEAD_INIT(security_hook_heads.sb_statfs),
	.sb_mount =	LIST_HEAD_INIT(security_hook_heads.sb_mount),
	.sb_umount =	LIST_HEAD_INIT(security_hook_heads.sb_umount),
	.sb_pivotroot =	LIST_HEAD_INIT(security_hook_heads.sb_pivotroot),
	.sb_set_mnt_opts =
		LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts),
	.sb_clone_mnt_opts =
		LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts),
	.sb_parse_opts_str =
		LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str),
	.dentry_init_security =
		LIST_HEAD_INIT(security_hook_heads.dentry_init_security),
#ifdef CONFIG_SECURITY_PATH
	.path_unlink =	LIST_HEAD_INIT(security_hook_heads.path_unlink),
	.path_mkdir =	LIST_HEAD_INIT(security_hook_heads.path_mkdir),
	.path_rmdir =	LIST_HEAD_INIT(security_hook_heads.path_rmdir),
	.path_mknod =	LIST_HEAD_INIT(security_hook_heads.path_mknod),
	.path_truncate =
		LIST_HEAD_INIT(security_hook_heads.path_truncate),
	.path_symlink =	LIST_HEAD_INIT(security_hook_heads.path_symlink),
	.path_link =	LIST_HEAD_INIT(security_hook_heads.path_link),
	.path_rename =	LIST_HEAD_INIT(security_hook_heads.path_rename),
	.path_chmod =	LIST_HEAD_INIT(security_hook_heads.path_chmod),
	.path_chown =	LIST_HEAD_INIT(security_hook_heads.path_chown),
	.path_chroot =	LIST_HEAD_INIT(security_hook_heads.path_chroot),
#endif
	.inode_alloc_security =
		LIST_HEAD_INIT(security_hook_heads.inode_alloc_security),
	.inode_free_security =
		LIST_HEAD_INIT(security_hook_heads.inode_free_security),
	.inode_init_security =
		LIST_HEAD_INIT(security_hook_heads.inode_init_security),
	.inode_create =	LIST_HEAD_INIT(security_hook_heads.inode_create),
	.inode_link =	LIST_HEAD_INIT(security_hook_heads.inode_link),
	.inode_unlink =	LIST_HEAD_INIT(security_hook_heads.inode_unlink),
	.inode_symlink =
		LIST_HEAD_INIT(security_hook_heads.inode_symlink),
	.inode_mkdir =	LIST_HEAD_INIT(security_hook_heads.inode_mkdir),
	.inode_rmdir =	LIST_HEAD_INIT(security_hook_heads.inode_rmdir),
	.inode_mknod =	LIST_HEAD_INIT(security_hook_heads.inode_mknod),
	.inode_rename =	LIST_HEAD_INIT(security_hook_heads.inode_rename),
	.inode_readlink =
		LIST_HEAD_INIT(security_hook_heads.inode_readlink),
	.inode_follow_link =
		LIST_HEAD_INIT(security_hook_heads.inode_follow_link),
	.inode_permission =
		LIST_HEAD_INIT(security_hook_heads.inode_permission),
	.inode_setattr =
		LIST_HEAD_INIT(security_hook_heads.inode_setattr),
	.inode_getattr =
		LIST_HEAD_INIT(security_hook_heads.inode_getattr),
	.inode_setxattr =
		LIST_HEAD_INIT(security_hook_heads.inode_setxattr),
	.inode_post_setxattr =
		LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr),
	.inode_getxattr =
		LIST_HEAD_INIT(security_hook_heads.inode_getxattr),
	.inode_listxattr =
		LIST_HEAD_INIT(security_hook_heads.inode_listxattr),
	.inode_removexattr =
		LIST_HEAD_INIT(security_hook_heads.inode_removexattr),
	.inode_need_killpriv =
		LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv),
	.inode_killpriv =
		LIST_HEAD_INIT(security_hook_heads.inode_killpriv),
	.inode_getsecurity =
		LIST_HEAD_INIT(security_hook_heads.inode_getsecurity),
	.inode_setsecurity =
		LIST_HEAD_INIT(security_hook_heads.inode_setsecurity),
	.inode_listsecurity =
		LIST_HEAD_INIT(security_hook_heads.inode_listsecurity),
	.inode_getsecid =
		LIST_HEAD_INIT(security_hook_heads.inode_getsecid),
	.file_permission =
		LIST_HEAD_INIT(security_hook_heads.file_permission),
	.file_alloc_security =
		LIST_HEAD_INIT(security_hook_heads.file_alloc_security),
	.file_free_security =
		LIST_HEAD_INIT(security_hook_heads.file_free_security),
	.file_ioctl =	LIST_HEAD_INIT(security_hook_heads.file_ioctl),
	.mmap_addr =	LIST_HEAD_INIT(security_hook_heads.mmap_addr),
	.mmap_file =	LIST_HEAD_INIT(security_hook_heads.mmap_file),
	.file_mprotect =
		LIST_HEAD_INIT(security_hook_heads.file_mprotect),
	.file_lock =	LIST_HEAD_INIT(security_hook_heads.file_lock),
	.file_fcntl =	LIST_HEAD_INIT(security_hook_heads.file_fcntl),
	.file_set_fowner =
		LIST_HEAD_INIT(security_hook_heads.file_set_fowner),
	.file_send_sigiotask =
		LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask),
	.file_receive =	LIST_HEAD_INIT(security_hook_heads.file_receive),
	.file_open =	LIST_HEAD_INIT(security_hook_heads.file_open),
	.task_create =	LIST_HEAD_INIT(security_hook_heads.task_create),
	.task_free =	LIST_HEAD_INIT(security_hook_heads.task_free),
	.cred_alloc_blank =
		LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank),
	.cred_free =	LIST_HEAD_INIT(security_hook_heads.cred_free),
	.cred_prepare =	LIST_HEAD_INIT(security_hook_heads.cred_prepare),
	.cred_transfer =
		LIST_HEAD_INIT(security_hook_heads.cred_transfer),
	.kernel_act_as =
		LIST_HEAD_INIT(security_hook_heads.kernel_act_as),
	.kernel_create_files_as =
		LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as),
	.kernel_fw_from_file =
		LIST_HEAD_INIT(security_hook_heads.kernel_fw_from_file),
	.kernel_module_request =
		LIST_HEAD_INIT(security_hook_heads.kernel_module_request),
	.kernel_module_from_file =
		LIST_HEAD_INIT(security_hook_heads.kernel_module_from_file),
	.task_fix_setuid =
		LIST_HEAD_INIT(security_hook_heads.task_fix_setuid),
	.task_setpgid =	LIST_HEAD_INIT(security_hook_heads.task_setpgid),
	.task_getpgid =	LIST_HEAD_INIT(security_hook_heads.task_getpgid),
	.task_getsid =	LIST_HEAD_INIT(security_hook_heads.task_getsid),
	.task_getsecid =
		LIST_HEAD_INIT(security_hook_heads.task_getsecid),
	.task_setnice =	LIST_HEAD_INIT(security_hook_heads.task_setnice),
	.task_setioprio =
		LIST_HEAD_INIT(security_hook_heads.task_setioprio),
	.task_getioprio =
		LIST_HEAD_INIT(security_hook_heads.task_getioprio),
	.task_setrlimit =
		LIST_HEAD_INIT(security_hook_heads.task_setrlimit),
	.task_setscheduler =
		LIST_HEAD_INIT(security_hook_heads.task_setscheduler),
	.task_getscheduler =
		LIST_HEAD_INIT(security_hook_heads.task_getscheduler),
	.task_movememory =
		LIST_HEAD_INIT(security_hook_heads.task_movememory),
	.task_kill =	LIST_HEAD_INIT(security_hook_heads.task_kill),
	.task_wait =	LIST_HEAD_INIT(security_hook_heads.task_wait),
	.task_prctl =	LIST_HEAD_INIT(security_hook_heads.task_prctl),
	.task_to_inode =
		LIST_HEAD_INIT(security_hook_heads.task_to_inode),
	.ipc_permission =
		LIST_HEAD_INIT(security_hook_heads.ipc_permission),
	.ipc_getsecid =	LIST_HEAD_INIT(security_hook_heads.ipc_getsecid),
	.msg_msg_alloc_security =
		LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security),
	.msg_msg_free_security =
		LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security),
	.msg_queue_alloc_security =
		LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security),
	.msg_queue_free_security =
		LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security),
	.msg_queue_associate =
		LIST_HEAD_INIT(security_hook_heads.msg_queue_associate),
	.msg_queue_msgctl =
		LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl),
	.msg_queue_msgsnd =
		LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd),
	.msg_queue_msgrcv =
		LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv),
	.shm_alloc_security =
		LIST_HEAD_INIT(security_hook_heads.shm_alloc_security),
	.shm_free_security =
		LIST_HEAD_INIT(security_hook_heads.shm_free_security),
	.shm_associate =
		LIST_HEAD_INIT(security_hook_heads.shm_associate),
	.shm_shmctl =	LIST_HEAD_INIT(security_hook_heads.shm_shmctl),
	.shm_shmat =	LIST_HEAD_INIT(security_hook_heads.shm_shmat),
	.sem_alloc_security =
		LIST_HEAD_INIT(security_hook_heads.sem_alloc_security),
	.sem_free_security =
		LIST_HEAD_INIT(security_hook_heads.sem_free_security),
	.sem_associate =
		LIST_HEAD_INIT(security_hook_heads.sem_associate),
	.sem_semctl =	LIST_HEAD_INIT(security_hook_heads.sem_semctl),
	.sem_semop =	LIST_HEAD_INIT(security_hook_heads.sem_semop),
	.netlink_send =	LIST_HEAD_INIT(security_hook_heads.netlink_send),
	.d_instantiate =
		LIST_HEAD_INIT(security_hook_heads.d_instantiate),
	.getprocattr =	LIST_HEAD_INIT(security_hook_heads.getprocattr),
	.setprocattr =	LIST_HEAD_INIT(security_hook_heads.setprocattr),
	.ismaclabel =	LIST_HEAD_INIT(security_hook_heads.ismaclabel),
	.secid_to_secctx =
		LIST_HEAD_INIT(security_hook_heads.secid_to_secctx),
	.secctx_to_secid =
		LIST_HEAD_INIT(security_hook_heads.secctx_to_secid),
	.release_secctx =
		LIST_HEAD_INIT(security_hook_heads.release_secctx),
	.inode_notifysecctx =
		LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx),
	.inode_setsecctx =
		LIST_HEAD_INIT(security_hook_heads.inode_setsecctx),
	.inode_getsecctx =
		LIST_HEAD_INIT(security_hook_heads.inode_getsecctx),
#ifdef CONFIG_SECURITY_NETWORK
	.unix_stream_connect =
		LIST_HEAD_INIT(security_hook_heads.unix_stream_connect),
	.unix_may_send =
		LIST_HEAD_INIT(security_hook_heads.unix_may_send),
	.socket_create =
		LIST_HEAD_INIT(security_hook_heads.socket_create),
	.socket_post_create =
		LIST_HEAD_INIT(security_hook_heads.socket_post_create),
	.socket_bind =	LIST_HEAD_INIT(security_hook_heads.socket_bind),
	.socket_connect =
		LIST_HEAD_INIT(security_hook_heads.socket_connect),
	.socket_listen =
		LIST_HEAD_INIT(security_hook_heads.socket_listen),
	.socket_accept =
		LIST_HEAD_INIT(security_hook_heads.socket_accept),
	.socket_sendmsg =
		LIST_HEAD_INIT(security_hook_heads.socket_sendmsg),
	.socket_recvmsg =
		LIST_HEAD_INIT(security_hook_heads.socket_recvmsg),
	.socket_getsockname =
		LIST_HEAD_INIT(security_hook_heads.socket_getsockname),
	.socket_getpeername =
		LIST_HEAD_INIT(security_hook_heads.socket_getpeername),
	.socket_getsockopt =
		LIST_HEAD_INIT(security_hook_heads.socket_getsockopt),
	.socket_setsockopt =
		LIST_HEAD_INIT(security_hook_heads.socket_setsockopt),
	.socket_shutdown =
		LIST_HEAD_INIT(security_hook_heads.socket_shutdown),
	.socket_sock_rcv_skb =
		LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb),
	.socket_getpeersec_stream =
		LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream),
	.socket_getpeersec_dgram =
		LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram),
	.sk_alloc_security =
		LIST_HEAD_INIT(security_hook_heads.sk_alloc_security),
	.sk_free_security =
		LIST_HEAD_INIT(security_hook_heads.sk_free_security),
	.sk_clone_security =
		LIST_HEAD_INIT(security_hook_heads.sk_clone_security),
	.sk_getsecid =	LIST_HEAD_INIT(security_hook_heads.sk_getsecid),
	.sock_graft =	LIST_HEAD_INIT(security_hook_heads.sock_graft),
	.inet_conn_request =
		LIST_HEAD_INIT(security_hook_heads.inet_conn_request),
	.inet_csk_clone =
		LIST_HEAD_INIT(security_hook_heads.inet_csk_clone),
	.inet_conn_established =
		LIST_HEAD_INIT(security_hook_heads.inet_conn_established),
	.secmark_relabel_packet =
		LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet),
	.secmark_refcount_inc =
		LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc),
	.secmark_refcount_dec =
		LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec),
	.req_classify_flow =
		LIST_HEAD_INIT(security_hook_heads.req_classify_flow),
	.tun_dev_alloc_security =
		LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security),
	.tun_dev_free_security =
		LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security),
	.tun_dev_create =
		LIST_HEAD_INIT(security_hook_heads.tun_dev_create),
	.tun_dev_attach_queue =
		LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue),
	.tun_dev_attach =
		LIST_HEAD_INIT(security_hook_heads.tun_dev_attach),
	.tun_dev_open =	LIST_HEAD_INIT(security_hook_heads.tun_dev_open),
	.skb_owned_by =	LIST_HEAD_INIT(security_hook_heads.skb_owned_by),
#endif	/* CONFIG_SECURITY_NETWORK */
#ifdef CONFIG_SECURITY_NETWORK_XFRM
	.xfrm_policy_alloc_security =
		LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security),
	.xfrm_policy_clone_security =
		LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security),
	.xfrm_policy_free_security =
		LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security),
	.xfrm_policy_delete_security =
		LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security),
	.xfrm_state_alloc =
		LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc),
	.xfrm_state_alloc_acquire =
		LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire),
	.xfrm_state_free_security =
		LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security),
	.xfrm_state_delete_security =
		LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security),
	.xfrm_policy_lookup =
		LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup),
	.xfrm_state_pol_flow_match =
		LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match),
	.xfrm_decode_session =
		LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session),
#endif	/* CONFIG_SECURITY_NETWORK_XFRM */
#ifdef CONFIG_KEYS
	.key_alloc =	LIST_HEAD_INIT(security_hook_heads.key_alloc),
	.key_free =	LIST_HEAD_INIT(security_hook_heads.key_free),
	.key_permission =
		LIST_HEAD_INIT(security_hook_heads.key_permission),
	.key_getsecurity =
		LIST_HEAD_INIT(security_hook_heads.key_getsecurity),
#endif	/* CONFIG_KEYS */
#ifdef CONFIG_AUDIT
	.audit_rule_init =
		LIST_HEAD_INIT(security_hook_heads.audit_rule_init),
	.audit_rule_known =
		LIST_HEAD_INIT(security_hook_heads.audit_rule_known),
	.audit_rule_match =
		LIST_HEAD_INIT(security_hook_heads.audit_rule_match),
	.audit_rule_free =
		LIST_HEAD_INIT(security_hook_heads.audit_rule_free),
1884
#endif /* CONFIG_AUDIT */
C
Casey Schaufler 已提交
1885
};