security.h 44.8 KB
Newer Older
Linus Torvalds's avatar
Linus Torvalds committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
/*
 * Linux Security plug
 *
 * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
 * Copyright (C) 2001 Greg Kroah-Hartman <greg@kroah.com>
 * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
 * Copyright (C) 2001 James Morris <jmorris@intercode.com.au>
 * Copyright (C) 2001 Silicon Graphics, Inc. (Trust Technology Group)
 *
 *	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.
 *
 *	Due to this file being licensed under the GPL there is controversy over
 *	whether this permits you to write a module that #includes this file
 *	without placing your module under the GPL.  Please consult a lawyer for
 *	advice before doing this.
 *
 */

#ifndef __LINUX_SECURITY_H
#define __LINUX_SECURITY_H

25
#include <linux/key.h>
Al Viro's avatar
Al Viro committed
26
#include <linux/capability.h>
27
#include <linux/fs.h>
28
#include <linux/slab.h>
Al Viro's avatar
Al Viro committed
29
#include <linux/err.h>
30
#include <linux/string.h>
31
#include <linux/mm.h>
32
#include <linux/fs.h>
Al Viro's avatar
Al Viro committed
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57

struct linux_binprm;
struct cred;
struct rlimit;
struct siginfo;
struct sem_array;
struct sembuf;
struct kern_ipc_perm;
struct audit_context;
struct super_block;
struct inode;
struct dentry;
struct file;
struct vfsmount;
struct path;
struct qstr;
struct iattr;
struct fown_struct;
struct file_operations;
struct shmid_kernel;
struct msg_msg;
struct msg_queue;
struct xattr;
struct xfrm_sec_ctx;
struct mm_struct;
Linus Torvalds's avatar
Linus Torvalds committed
58

59 60 61 62
/* If capable should audit the security request */
#define SECURITY_CAP_NOAUDIT 0
#define SECURITY_CAP_AUDIT 1

63 64 65
/* LSM Agnostic defines for sb_set_mnt_opts */
#define SECURITY_LSM_NATIVE_LABELS	1

Linus Torvalds's avatar
Linus Torvalds committed
66
struct ctl_table;
67
struct audit_krule;
68
struct user_namespace;
Al Viro's avatar
Al Viro committed
69
struct timezone;
Linus Torvalds's avatar
Linus Torvalds committed
70

71
/* These functions are in security/commoncap.c */
72 73
extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
		       int cap, int audit);
74
extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
75
extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
76
extern int cap_ptrace_traceme(struct task_struct *parent);
77
extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
78 79 80 81
extern int cap_capset(struct cred *new, const struct cred *old,
		      const kernel_cap_t *effective,
		      const kernel_cap_t *inheritable,
		      const kernel_cap_t *permitted);
82
extern int cap_bprm_set_creds(struct linux_binprm *bprm);
Linus Torvalds's avatar
Linus Torvalds committed
83
extern int cap_bprm_secureexec(struct linux_binprm *bprm);
84 85 86
extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
			      const void *value, size_t size, int flags);
extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
87 88
extern int cap_inode_need_killpriv(struct dentry *dentry);
extern int cap_inode_killpriv(struct dentry *dentry);
89
extern int cap_mmap_addr(unsigned long addr);
90 91
extern int cap_mmap_file(struct file *file, unsigned long reqprot,
			 unsigned long prot, unsigned long flags);
92
extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
93
extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
94
			  unsigned long arg4, unsigned long arg5);
95
extern int cap_task_setscheduler(struct task_struct *p);
96 97
extern int cap_task_setioprio(struct task_struct *p, int ioprio);
extern int cap_task_setnice(struct task_struct *p, int nice);
98
extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
Linus Torvalds's avatar
Linus Torvalds committed
99 100 101 102 103 104

struct msghdr;
struct sk_buff;
struct sock;
struct sockaddr;
struct socket;
105 106 107 108 109 110
struct flowi;
struct dst_entry;
struct xfrm_selector;
struct xfrm_policy;
struct xfrm_state;
struct xfrm_user_sec_ctx;
111
struct seq_file;
Linus Torvalds's avatar
Linus Torvalds committed
112

113
#ifdef CONFIG_MMU
114
extern unsigned long mmap_min_addr;
115
extern unsigned long dac_mmap_min_addr;
116
#else
117
#define mmap_min_addr		0UL
118 119 120
#define dac_mmap_min_addr	0UL
#endif

Linus Torvalds's avatar
Linus Torvalds committed
121 122 123 124 125 126 127 128 129 130 131 132 133 134 135
/*
 * Values used in the task_security_ops calls
 */
/* setuid or setgid, id0 == uid or gid */
#define LSM_SETID_ID	1

/* setreuid or setregid, id0 == real, id1 == eff */
#define LSM_SETID_RE	2

/* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
#define LSM_SETID_RES	4

/* setfsuid or setfsgid, id0 == fsuid or fsgid */
#define LSM_SETID_FS	8

136 137 138 139
/* Flags for security_task_prlimit(). */
#define LSM_PRLIMIT_READ  1
#define LSM_PRLIMIT_WRITE 2

Linus Torvalds's avatar
Linus Torvalds committed
140 141
/* forward declares to avoid warnings */
struct sched_param;
142
struct request_sock;
Linus Torvalds's avatar
Linus Torvalds committed
143

144
/* bprm->unsafe reasons */
Linus Torvalds's avatar
Linus Torvalds committed
145 146
#define LSM_UNSAFE_SHARE	1
#define LSM_UNSAFE_PTRACE	2
147
#define LSM_UNSAFE_NO_NEW_PRIVS	4
Linus Torvalds's avatar
Linus Torvalds committed
148

149
#ifdef CONFIG_MMU
150
extern int mmap_min_addr_handler(struct ctl_table *table, int write,
151
				 void __user *buffer, size_t *lenp, loff_t *ppos);
152
#endif
153

154 155 156 157
/* security_inode_init_security callback function to write xattrs */
typedef int (*initxattrs) (struct inode *inode,
			   const struct xattr *xattr_array, void *fs_data);

Linus Torvalds's avatar
Linus Torvalds committed
158 159
#ifdef CONFIG_SECURITY

160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176
struct security_mnt_opts {
	char **mnt_opts;
	int *mnt_opts_flags;
	int num_mnt_opts;
};

static inline void security_init_mnt_opts(struct security_mnt_opts *opts)
{
	opts->mnt_opts = NULL;
	opts->mnt_opts_flags = NULL;
	opts->num_mnt_opts = 0;
}

static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
{
	int i;
	if (opts->mnt_opts)
177
		for (i = 0; i < opts->num_mnt_opts; i++)
178 179 180 181 182 183 184 185
			kfree(opts->mnt_opts[i]);
	kfree(opts->mnt_opts);
	opts->mnt_opts = NULL;
	kfree(opts->mnt_opts_flags);
	opts->mnt_opts_flags = NULL;
	opts->num_mnt_opts = 0;
}

Linus Torvalds's avatar
Linus Torvalds committed
186
/* prototypes */
187
extern int security_init(void);
Linus Torvalds's avatar
Linus Torvalds committed
188

189
/* Security operations */
190 191 192 193 194 195 196
int security_binder_set_context_mgr(struct task_struct *mgr);
int security_binder_transaction(struct task_struct *from,
				struct task_struct *to);
int security_binder_transfer_binder(struct task_struct *from,
				    struct task_struct *to);
int security_binder_transfer_file(struct task_struct *from,
				  struct task_struct *to, struct file *file);
197
int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
198
int security_ptrace_traceme(struct task_struct *parent);
199
int security_capget(struct task_struct *target,
200 201 202
		    kernel_cap_t *effective,
		    kernel_cap_t *inheritable,
		    kernel_cap_t *permitted);
203 204 205 206
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);
207
int security_capable(const struct cred *cred, struct user_namespace *ns,
208
			int cap);
209 210
int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
			     int cap);
211 212
int security_quotactl(int cmds, int type, int id, struct super_block *sb);
int security_quota_on(struct dentry *dentry);
213
int security_syslog(int type);
214 215 216 217 218 219 220
int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
static inline int security_settime(const struct timespec *ts, const struct timezone *tz)
{
	struct timespec64 ts64 = timespec_to_timespec64(*ts);

	return security_settime64(&ts64, tz);
}
221
int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
222
int security_bprm_set_creds(struct linux_binprm *bprm);
223
int security_bprm_check(struct linux_binprm *bprm);
224 225
void security_bprm_committing_creds(struct linux_binprm *bprm);
void security_bprm_committed_creds(struct linux_binprm *bprm);
226 227 228
int security_bprm_secureexec(struct linux_binprm *bprm);
int security_sb_alloc(struct super_block *sb);
void security_sb_free(struct super_block *sb);
229
int security_sb_copy_data(char *orig, char *copy);
230
int security_sb_remount(struct super_block *sb, void *data);
231
int security_sb_kern_mount(struct super_block *sb, int flags, void *data);
232
int security_sb_show_options(struct seq_file *m, struct super_block *sb);
233
int security_sb_statfs(struct dentry *dentry);
Al Viro's avatar
Al Viro committed
234
int security_sb_mount(const char *dev_name, const struct path *path,
Al Viro's avatar
Al Viro committed
235
		      const char *type, unsigned long flags, void *data);
236
int security_sb_umount(struct vfsmount *mnt, int flags);
Al Viro's avatar
Al Viro committed
237
int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
238 239 240 241
int security_sb_set_mnt_opts(struct super_block *sb,
				struct security_mnt_opts *opts,
				unsigned long kern_flags,
				unsigned long *set_kern_flags);
242
int security_sb_clone_mnt_opts(const struct super_block *oldsb,
243
				struct super_block *newsb);
244
int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts);
245
int security_dentry_init_security(struct dentry *dentry, int mode,
Al Viro's avatar
Al Viro committed
246
					const struct qstr *name, void **ctx,
247
					u32 *ctxlen);
248 249 250 251
int security_dentry_create_files_as(struct dentry *dentry, int mode,
					struct qstr *name,
					const struct cred *old,
					struct cred *new);
252

253 254 255
int security_inode_alloc(struct inode *inode);
void security_inode_free(struct inode *inode);
int security_inode_init_security(struct inode *inode, struct inode *dir,
256 257 258
				 const struct qstr *qstr,
				 initxattrs initxattrs, void *fs_data);
int security_old_inode_init_security(struct inode *inode, struct inode *dir,
259
				     const struct qstr *qstr, const char **name,
260
				     void **value, size_t *len);
Al Viro's avatar
Al Viro committed
261
int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
262 263 264 265
int security_inode_link(struct dentry *old_dentry, struct inode *dir,
			 struct dentry *new_dentry);
int security_inode_unlink(struct inode *dir, struct dentry *dentry);
int security_inode_symlink(struct inode *dir, struct dentry *dentry,
266
			   const char *old_name);
267
int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
268
int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
Al Viro's avatar
Al Viro committed
269
int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
270
int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
271 272
			  struct inode *new_dir, struct dentry *new_dentry,
			  unsigned int flags);
273
int security_inode_readlink(struct dentry *dentry);
274 275
int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
			       bool rcu);
276
int security_inode_permission(struct inode *inode, int mask);
277
int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
278
int security_inode_getattr(const struct path *path);
279 280 281 282 283
int security_inode_setxattr(struct dentry *dentry, const char *name,
			    const void *value, size_t size, int flags);
void security_inode_post_setxattr(struct dentry *dentry, const char *name,
				  const void *value, size_t size, int flags);
int security_inode_getxattr(struct dentry *dentry, const char *name);
284
int security_inode_listxattr(struct dentry *dentry);
285
int security_inode_removexattr(struct dentry *dentry, const char *name);
286 287
int security_inode_need_killpriv(struct dentry *dentry);
int security_inode_killpriv(struct dentry *dentry);
288
int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
289 290
int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
291
void security_inode_getsecid(struct inode *inode, u32 *secid);
292
int security_inode_copy_up(struct dentry *src, struct cred **new);
293
int security_inode_copy_up_xattr(const char *name);
294 295 296 297
int security_file_permission(struct file *file, int mask);
int security_file_alloc(struct file *file);
void security_file_free(struct file *file);
int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
298 299
int security_mmap_file(struct file *file, unsigned long prot,
			unsigned long flags);
300
int security_mmap_addr(unsigned long addr);
301
int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
302
			   unsigned long prot);
303 304
int security_file_lock(struct file *file, unsigned int cmd);
int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
305
void security_file_set_fowner(struct file *file);
306
int security_file_send_sigiotask(struct task_struct *tsk,
307
				 struct fown_struct *fown, int sig);
308
int security_file_receive(struct file *file);
309
int security_file_open(struct file *file, const struct cred *cred);
310
int security_task_create(unsigned long clone_flags);
311
void security_task_free(struct task_struct *task);
312
int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
313
void security_cred_free(struct cred *cred);
314
int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
315
void security_transfer_creds(struct cred *new, const struct cred *old);
316 317
int security_kernel_act_as(struct cred *new, u32 secid);
int security_kernel_create_files_as(struct cred *new, struct inode *inode);
318
int security_kernel_module_request(char *kmod_name);
319
int security_kernel_read_file(struct file *file, enum kernel_read_file_id id);
320 321
int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
				   enum kernel_read_file_id id);
322 323
int security_task_fix_setuid(struct cred *new, const struct cred *old,
			     int flags);
324 325 326 327 328 329 330
int security_task_setpgid(struct task_struct *p, pid_t pgid);
int security_task_getpgid(struct task_struct *p);
int security_task_getsid(struct task_struct *p);
void security_task_getsecid(struct task_struct *p, u32 *secid);
int security_task_setnice(struct task_struct *p, int nice);
int security_task_setioprio(struct task_struct *p, int ioprio);
int security_task_getioprio(struct task_struct *p);
331 332
int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
			  unsigned int flags);
333 334
int security_task_setrlimit(struct task_struct *p, unsigned int resource,
		struct rlimit *new_rlim);
335
int security_task_setscheduler(struct task_struct *p);
336 337 338 339 340
int security_task_getscheduler(struct task_struct *p);
int security_task_movememory(struct task_struct *p);
int security_task_kill(struct task_struct *p, struct siginfo *info,
			int sig, u32 secid);
int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
341
			unsigned long arg4, unsigned long arg5);
342 343
void security_task_to_inode(struct task_struct *p, struct inode *inode);
int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
344
void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
345 346 347 348 349 350 351
int security_msg_msg_alloc(struct msg_msg *msg);
void security_msg_msg_free(struct msg_msg *msg);
int security_msg_queue_alloc(struct msg_queue *msq);
void security_msg_queue_free(struct msg_queue *msq);
int security_msg_queue_associate(struct msg_queue *msq, int msqflg);
int security_msg_queue_msgctl(struct msg_queue *msq, int cmd);
int security_msg_queue_msgsnd(struct msg_queue *msq,
352
			      struct msg_msg *msg, int msqflg);
353
int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
354
			      struct task_struct *target, long type, int mode);
355 356 357 358 359 360 361 362 363 364 365
int security_shm_alloc(struct shmid_kernel *shp);
void security_shm_free(struct shmid_kernel *shp);
int security_shm_associate(struct shmid_kernel *shp, int shmflg);
int security_shm_shmctl(struct shmid_kernel *shp, int cmd);
int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg);
int security_sem_alloc(struct sem_array *sma);
void security_sem_free(struct sem_array *sma);
int security_sem_associate(struct sem_array *sma, int semflg);
int security_sem_semctl(struct sem_array *sma, int cmd);
int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
			unsigned nsops, int alter);
366
void security_d_instantiate(struct dentry *dentry, struct inode *inode);
367
int security_getprocattr(struct task_struct *p, char *name, char **value);
368
int security_setprocattr(const char *name, void *value, size_t size);
369
int security_netlink_send(struct sock *sk, struct sk_buff *skb);
370
int security_ismaclabel(const char *name);
371
int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
372
int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
373 374
void security_release_secctx(char *secdata, u32 seclen);

375
void security_inode_invalidate_secctx(struct inode *inode);
376 377 378
int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
Linus Torvalds's avatar
Linus Torvalds committed
379
#else /* CONFIG_SECURITY */
380 381 382 383 384 385 386 387 388 389
struct security_mnt_opts {
};

static inline void security_init_mnt_opts(struct security_mnt_opts *opts)
{
}

static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
{
}
Linus Torvalds's avatar
Linus Torvalds committed
390 391 392 393 394 395 396 397 398 399 400

/*
 * This is the default capabilities functionality.  Most of these functions
 * are just stubbed out, but a few must call the proper capable code.
 */

static inline int security_init(void)
{
	return 0;
}

401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424
static inline int security_binder_set_context_mgr(struct task_struct *mgr)
{
	return 0;
}

static inline int security_binder_transaction(struct task_struct *from,
					      struct task_struct *to)
{
	return 0;
}

static inline int security_binder_transfer_binder(struct task_struct *from,
						  struct task_struct *to)
{
	return 0;
}

static inline int security_binder_transfer_file(struct task_struct *from,
						struct task_struct *to,
						struct file *file)
{
	return 0;
}

425
static inline int security_ptrace_access_check(struct task_struct *child,
426 427
					     unsigned int mode)
{
428
	return cap_ptrace_access_check(child, mode);
429 430
}

431
static inline int security_ptrace_traceme(struct task_struct *parent)
Linus Torvalds's avatar
Linus Torvalds committed
432
{
433
	return cap_ptrace_traceme(parent);
Linus Torvalds's avatar
Linus Torvalds committed
434 435
}

436
static inline int security_capget(struct task_struct *target,
Linus Torvalds's avatar
Linus Torvalds committed
437 438 439 440
				   kernel_cap_t *effective,
				   kernel_cap_t *inheritable,
				   kernel_cap_t *permitted)
{
441
	return cap_capget(target, effective, inheritable, permitted);
Linus Torvalds's avatar
Linus Torvalds committed
442 443
}

444 445 446 447 448
static inline 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)
Linus Torvalds's avatar
Linus Torvalds committed
449
{
450
	return cap_capset(new, old, effective, inheritable, permitted);
Linus Torvalds's avatar
Linus Torvalds committed
451 452
}

453 454
static inline int security_capable(const struct cred *cred,
				   struct user_namespace *ns, int cap)
455
{
456
	return cap_capable(cred, ns, cap, SECURITY_CAP_AUDIT);
457 458
}

459 460 461
static inline int security_capable_noaudit(const struct cred *cred,
					   struct user_namespace *ns, int cap) {
	return cap_capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
462 463
}

464 465
static inline int security_quotactl(int cmds, int type, int id,
				     struct super_block *sb)
Linus Torvalds's avatar
Linus Torvalds committed
466 467 468 469
{
	return 0;
}

470
static inline int security_quota_on(struct dentry *dentry)
Linus Torvalds's avatar
Linus Torvalds committed
471 472 473 474
{
	return 0;
}

475
static inline int security_syslog(int type)
Linus Torvalds's avatar
Linus Torvalds committed
476
{
477
	return 0;
Linus Torvalds's avatar
Linus Torvalds committed
478 479
}

480 481 482 483 484 485
static inline int security_settime64(const struct timespec64 *ts,
				     const struct timezone *tz)
{
	return cap_settime(ts, tz);
}

486 487
static inline int security_settime(const struct timespec *ts,
				   const struct timezone *tz)
Linus Torvalds's avatar
Linus Torvalds committed
488
{
489 490 491
	struct timespec64 ts64 = timespec_to_timespec64(*ts);

	return cap_settime(&ts64, tz);
Linus Torvalds's avatar
Linus Torvalds committed
492 493
}

494
static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
Alan Cox's avatar
Alan Cox committed
495
{
496
	return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
Alan Cox's avatar
Alan Cox committed
497 498
}

499
static inline int security_bprm_set_creds(struct linux_binprm *bprm)
500
{
501
	return cap_bprm_set_creds(bprm);
Linus Torvalds's avatar
Linus Torvalds committed
502 503
}

504
static inline int security_bprm_check(struct linux_binprm *bprm)
Linus Torvalds's avatar
Linus Torvalds committed
505
{
506
	return 0;
Linus Torvalds's avatar
Linus Torvalds committed
507 508
}

509
static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
Linus Torvalds's avatar
Linus Torvalds committed
510 511 512
{
}

513
static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
Linus Torvalds's avatar
Linus Torvalds committed
514 515 516
{
}

517
static inline int security_bprm_secureexec(struct linux_binprm *bprm)
Linus Torvalds's avatar
Linus Torvalds committed
518 519 520 521
{
	return cap_bprm_secureexec(bprm);
}

522
static inline int security_sb_alloc(struct super_block *sb)
Linus Torvalds's avatar
Linus Torvalds committed
523 524 525 526
{
	return 0;
}

527
static inline void security_sb_free(struct super_block *sb)
Linus Torvalds's avatar
Linus Torvalds committed
528 529
{ }

530
static inline int security_sb_copy_data(char *orig, char *copy)
Linus Torvalds's avatar
Linus Torvalds committed
531 532 533 534
{
	return 0;
}

535 536 537 538 539
static inline int security_sb_remount(struct super_block *sb, void *data)
{
	return 0;
}

540
static inline int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
Linus Torvalds's avatar
Linus Torvalds committed
541 542 543 544
{
	return 0;
}

545 546 547 548 549 550
static inline int security_sb_show_options(struct seq_file *m,
					   struct super_block *sb)
{
	return 0;
}

551
static inline int security_sb_statfs(struct dentry *dentry)
Linus Torvalds's avatar
Linus Torvalds committed
552 553 554 555
{
	return 0;
}

Al Viro's avatar
Al Viro committed
556
static inline int security_sb_mount(const char *dev_name, const struct path *path,
Al Viro's avatar
Al Viro committed
557
				    const char *type, unsigned long flags,
Linus Torvalds's avatar
Linus Torvalds committed
558 559 560 561 562
				    void *data)
{
	return 0;
}

563
static inline int security_sb_umount(struct vfsmount *mnt, int flags)
Linus Torvalds's avatar
Linus Torvalds committed
564 565 566 567
{
	return 0;
}

Al Viro's avatar
Al Viro committed
568 569
static inline int security_sb_pivotroot(const struct path *old_path,
					const struct path *new_path)
Linus Torvalds's avatar
Linus Torvalds committed
570 571 572 573
{
	return 0;
}

574
static inline int security_sb_set_mnt_opts(struct super_block *sb,
575 576 577
					   struct security_mnt_opts *opts,
					   unsigned long kern_flags,
					   unsigned long *set_kern_flags)
578 579 580 581
{
	return 0;
}

582
static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
583
					      struct super_block *newsb)
584 585 586
{
	return 0;
}
587 588 589 590 591

static inline int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
{
	return 0;
}
Linus Torvalds's avatar
Linus Torvalds committed
592

593
static inline int security_inode_alloc(struct inode *inode)
Linus Torvalds's avatar
Linus Torvalds committed
594 595 596 597
{
	return 0;
}

598
static inline void security_inode_free(struct inode *inode)
Linus Torvalds's avatar
Linus Torvalds committed
599
{ }
600

601 602
static inline int security_dentry_init_security(struct dentry *dentry,
						 int mode,
Al Viro's avatar
Al Viro committed
603
						 const struct qstr *name,
604 605 606 607 608 609
						 void **ctx,
						 u32 *ctxlen)
{
	return -EOPNOTSUPP;
}

610 611 612 613 614 615 616 617
static inline int security_dentry_create_files_as(struct dentry *dentry,
						  int mode, struct qstr *name,
						  const struct cred *old,
						  struct cred *new)
{
	return 0;
}

618

619
static inline int security_inode_init_security(struct inode *inode,
620
						struct inode *dir,
621
						const struct qstr *qstr,
Mark Rustad's avatar
Mark Rustad committed
622
						const initxattrs xattrs,
623
						void *fs_data)
624
{
Mimi Zohar's avatar
Mimi Zohar committed
625
	return 0;
626
}
627

Mimi Zohar's avatar
Mimi Zohar committed
628 629 630
static inline int security_old_inode_init_security(struct inode *inode,
						   struct inode *dir,
						   const struct qstr *qstr,
631 632
						   const char **name,
						   void **value, size_t *len)
633
{
634
	return -EOPNOTSUPP;
635 636
}

637
static inline int security_inode_create(struct inode *dir,
Linus Torvalds's avatar
Linus Torvalds committed
638
					 struct dentry *dentry,
Al Viro's avatar
Al Viro committed
639
					 umode_t mode)
Linus Torvalds's avatar
Linus Torvalds committed
640 641 642 643
{
	return 0;
}

644
static inline int security_inode_link(struct dentry *old_dentry,
Linus Torvalds's avatar
Linus Torvalds committed
645 646 647 648 649 650
				       struct inode *dir,
				       struct dentry *new_dentry)
{
	return 0;
}

651
static inline int security_inode_unlink(struct inode *dir,
Linus Torvalds's avatar
Linus Torvalds committed
652 653 654 655 656
					 struct dentry *dentry)
{
	return 0;
}

657
static inline int security_inode_symlink(struct inode *dir,
Linus Torvalds's avatar
Linus Torvalds committed
658 659 660 661 662 663
					  struct dentry *dentry,
					  const char *old_name)
{
	return 0;
}

664
static inline int security_inode_mkdir(struct inode *dir,
Linus Torvalds's avatar
Linus Torvalds committed
665 666 667 668 669 670
					struct dentry *dentry,
					int mode)
{
	return 0;
}

671
static inline int security_inode_rmdir(struct inode *dir,
Linus Torvalds's avatar
Linus Torvalds committed
672 673 674 675 676
					struct dentry *dentry)
{
	return 0;
}

677
static inline int security_inode_mknod(struct inode *dir,
Linus Torvalds's avatar
Linus Torvalds committed
678 679 680 681 682 683
					struct dentry *dentry,
					int mode, dev_t dev)
{
	return 0;
}

684
static inline int security_inode_rename(struct inode *old_dir,
Linus Torvalds's avatar
Linus Torvalds committed
685 686
					 struct dentry *old_dentry,
					 struct inode *new_dir,
687 688
					 struct dentry *new_dentry,
					 unsigned int flags)
Linus Torvalds's avatar
Linus Torvalds committed
689 690 691 692
{
	return 0;
}

693
static inline int security_inode_readlink(struct dentry *dentry)
Linus Torvalds's avatar
Linus Torvalds committed
694 695 696 697
{
	return 0;
}

698 699 700
static inline int security_inode_follow_link(struct dentry *dentry,
					     struct inode *inode,
					     bool rcu)
Linus Torvalds's avatar
Linus Torvalds committed
701 702 703 704
{
	return 0;
}

705
static inline int security_inode_permission(struct inode *inode, int mask)
Linus Torvalds's avatar
Linus Torvalds committed
706 707 708 709
{
	return 0;
}

710
static inline int security_inode_setattr(struct dentry *dentry,
Linus Torvalds's avatar
Linus Torvalds committed
711 712 713 714 715
					  struct iattr *attr)
{
	return 0;
}

716
static inline int security_inode_getattr(const struct path *path)
Linus Torvalds's avatar
Linus Torvalds committed
717 718 719 720
{
	return 0;
}

721 722
static inline int security_inode_setxattr(struct dentry *dentry,
		const char *name, const void *value, size_t size, int flags)
Linus Torvalds's avatar
Linus Torvalds committed
723 724 725 726
{
	return cap_inode_setxattr(dentry, name, value, size, flags);
}

727 728
static inline void security_inode_post_setxattr(struct dentry *dentry,
		const char *name, const void *value, size_t size, int flags)
Linus Torvalds's avatar
Linus Torvalds committed
729 730
{ }

731 732
static inline int security_inode_getxattr(struct dentry *dentry,
			const char *name)
Linus Torvalds's avatar
Linus Torvalds committed
733 734 735 736
{
	return 0;
}

737
static inline int security_inode_listxattr(struct dentry *dentry)
Linus Torvalds's avatar
Linus Torvalds committed
738 739 740 741
{
	return 0;
}

742 743
static inline int security_inode_removexattr(struct dentry *dentry,
			const char *name)
Linus Torvalds's avatar
Linus Torvalds committed
744 745 746 747
{
	return cap_inode_removexattr(dentry, name);
}

748 749 750 751 752 753 754 755 756 757
static inline int security_inode_need_killpriv(struct dentry *dentry)
{
	return cap_inode_need_killpriv(dentry);
}

static inline int security_inode_killpriv(struct dentry *dentry)
{
	return cap_inode_killpriv(dentry);
}

758
static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
Linus Torvalds's avatar
Linus Torvalds committed
759 760 761 762 763 764 765 766 767 768 769 770 771 772
{
	return -EOPNOTSUPP;
}

static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
{
	return -EOPNOTSUPP;
}

static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
{
	return 0;
}

773
static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
774 775 776 777
{
	*secid = 0;
}

778 779 780 781 782
static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
{
	return 0;
}

783 784 785 786 787
static inline int security_inode_copy_up_xattr(const char *name)
{
	return -EOPNOTSUPP;
}

788
static inline int security_file_permission(struct file *file, int mask)
Linus Torvalds's avatar
Linus Torvalds committed
789 790 791 792
{
	return 0;
}

793
static inline int security_file_alloc(struct file *file)
Linus Torvalds's avatar
Linus Torvalds committed
794 795 796 797
{
	return 0;
}

798
static inline void security_file_free(struct file *file)
Linus Torvalds's avatar
Linus Torvalds committed
799 800
{ }

801 802
static inline int security_file_ioctl(struct file *file, unsigned int cmd,
				      unsigned long arg)
Linus Torvalds's avatar
Linus Torvalds committed
803 804 805 806
{
	return 0;
}

807
static inline int security_mmap_file(struct file *file, unsigned long prot,
808 809 810 811 812 813
				     unsigned long flags)
{
	return 0;
}

static inline int security_mmap_addr(unsigned long addr)
Linus Torvalds's avatar
Linus Torvalds committed
814
{
815
	return cap_mmap_addr(addr);
Linus Torvalds's avatar
Linus Torvalds committed
816 817
}

818 819 820
static inline int security_file_mprotect(struct vm_area_struct *vma,
					 unsigned long reqprot,
					 unsigned long prot)
Linus Torvalds's avatar
Linus Torvalds committed
821 822 823 824
{
	return 0;
}

825
static inline int security_file_lock(struct file *file, unsigned int cmd)
Linus Torvalds's avatar
Linus Torvalds committed
826 827 828 829
{
	return 0;
}

830 831
static inline int security_file_fcntl(struct file *file, unsigned int cmd,
				      unsigned long arg)
Linus Torvalds's avatar
Linus Torvalds committed
832 833 834 835
{
	return 0;
}

836
static inline void security_file_set_fowner(struct file *file)
Linus Torvalds's avatar
Linus Torvalds committed
837
{
838
	return;
Linus Torvalds's avatar
Linus Torvalds committed
839 840
}

841 842 843
static inline int security_file_send_sigiotask(struct task_struct *tsk,
					       struct fown_struct *fown,
					       int sig)
Linus Torvalds's avatar
Linus Torvalds committed
844 845 846 847
{
	return 0;
}

848
static inline int security_file_receive(struct file *file)
Linus Torvalds's avatar
Linus Torvalds committed
849 850 851 852
{
	return 0;
}

853 854
static inline int security_file_open(struct file *file,
				     const struct cred *cred)
855 856 857 858
{
	return 0;
}

859
static inline int security_task_create(unsigned long clone_flags)
Linus Torvalds's avatar
Linus Torvalds committed
860 861 862 863
{
	return 0;
}

864 865 866
static inline void security_task_free(struct task_struct *task)
{ }

867 868 869 870
static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
{
	return 0;
}
871

872 873 874 875 876 877
static inline void security_cred_free(struct cred *cred)
{ }

static inline int security_prepare_creds(struct cred *new,
					 const struct cred *old,
					 gfp_t gfp)
Linus Torvalds's avatar
Linus Torvalds committed
878 879 880 881
{
	return 0;
}

882 883 884 885 886
static inline void security_transfer_creds(struct cred *new,
					   const struct cred *old)
{
}

887 888 889 890 891 892 893 894 895 896 897
static inline int security_kernel_act_as(struct cred *cred, u32 secid)
{
	return 0;
}

static inline int security_kernel_create_files_as(struct cred *cred,
						  struct inode *inode)
{
	return 0;
}

898
static inline int security_kernel_module_request(char *kmod_name)
899 900
{
	return 0;
Linus Torvalds's avatar
Linus Torvalds committed
901 902
}

903 904 905 906 907 908
static inline int security_kernel_read_file(struct file *file,
					    enum kernel_read_file_id id)
{
	return 0;
}

909
static inline int security_kernel_post_read_file(struct file *file,
910 911
						 char *buf, loff_t size,
						 enum kernel_read_file_id id)
912 913 914 915
{
	return 0;
}

916 917 918
static inline int security_task_fix_setuid(struct cred *new,
					   const struct cred *old,
					   int flags)
Linus Torvalds's avatar
Linus Torvalds committed
919
{
920
	return cap_task_fix_setuid(new, old, flags);
Linus Torvalds's avatar
Linus Torvalds committed
921 922
}

923
static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
Linus Torvalds's avatar
Linus Torvalds committed
924 925 926 927
{
	return 0;
}

928
static inline int security_task_getpgid(struct task_struct *p)
Linus Torvalds's avatar
Linus Torvalds committed
929 930 931 932
{
	return 0;
}

933
static inline int security_task_getsid(struct task_struct *p)
Linus Torvalds's avatar
Linus Torvalds committed
934 935 936 937
{
	return 0;
}

938
static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
939 940 941
{
	*secid = 0;
}
942

943
static inline int security_task_setnice(struct task_struct *p, int nice)
Linus Torvalds's avatar
Linus Torvalds committed
944
{
945
	return cap_task_setnice(p, nice);
Linus Torvalds's avatar
Linus Torvalds committed
946 947
}

948
static inline int security_task_setioprio(struct task_struct *p, int ioprio)
949
{
950
	return cap_task_setioprio(p, ioprio);
951 952
}

953
static inline int security_task_getioprio(struct task_struct *p)
954 955 956 957
{
	return 0;
}

958 959 960 961 962 963 964
static inline int security_task_prlimit(const struct cred *cred,
					const struct cred *tcred,
					unsigned int flags)
{
	return 0;
}

965 966
static inline int security_task_setrlimit(struct task_struct *p,
					  unsigned int resource,
967
					  struct rlimit *new_rlim)
Linus Torvalds's avatar
Linus Torvalds committed
968 969 970 971
{
	return 0;
}

972
static inline int security_task_setscheduler(struct task_struct *p)
Linus Torvalds's avatar
Linus Torvalds committed
973
{
974
	return cap_task_setscheduler(p);
Linus Torvalds's avatar
Linus Torvalds committed
975 976
}

977
static inline int security_task_getscheduler(struct task_struct *p)
Linus Torvalds's avatar
Linus Torvalds committed
978 979 980 981
{
	return 0;
}

982
static inline int security_task_movememory(struct task_struct *p)
983 984 985 986
{
	return 0;
}

987 988 989
static inline int security_task_kill(struct task_struct *p,
				     struct siginfo *info, int sig,
				     u32 secid)
Linus Torvalds's avatar
Linus Torvalds committed
990
{
991
	return 0;
Linus Torvalds's avatar
Linus Torvalds committed
992 993
}

994 995 996
static inline int security_task_prctl(int option, unsigned long arg2,
				      unsigned long arg3,
				      unsigned long arg4,
997
				      unsigned long arg5)
Linus Torvalds's avatar
Linus Torvalds committed
998
{
999
	return cap_task_prctl(option, arg2, arg3, arg4, arg5);
Linus Torvalds's avatar
Linus Torvalds committed
1000 1001 1002 1003 1004
}

static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
{ }

1005 1006
static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
					  short flag)
Linus Torvalds's avatar
Linus Torvalds committed
1007 1008 1009 1010
{
	return 0;
}