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CommitLineData
1da177e4
LT
1/*
2 * Linux Security plug
3 *
4 * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
5 * Copyright (C) 2001 Greg Kroah-Hartman <greg@kroah.com>
6 * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
7 * Copyright (C) 2001 James Morris <jmorris@intercode.com.au>
8 * Copyright (C) 2001 Silicon Graphics, Inc. (Trust Technology Group)
d291f1a6 9 * Copyright (C) 2016 Mellanox Techonologies
1da177e4
LT
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * Due to this file being licensed under the GPL there is controversy over
17 * whether this permits you to write a module that #includes this file
18 * without placing your module under the GPL. Please consult a lawyer for
19 * advice before doing this.
20 *
21 */
22
23#ifndef __LINUX_SECURITY_H
24#define __LINUX_SECURITY_H
25
29db9190 26#include <linux/key.h>
40401530 27#include <linux/capability.h>
cf222217 28#include <linux/fs.h>
5a0e3ad6 29#include <linux/slab.h>
40401530 30#include <linux/err.h>
d47be3df 31#include <linux/string.h>
b1d9e6b0 32#include <linux/mm.h>
bc8ca5b9 33#include <linux/fs.h>
40401530
AV
34
35struct linux_binprm;
36struct cred;
37struct rlimit;
38struct siginfo;
39struct sem_array;
40struct sembuf;
41struct kern_ipc_perm;
42struct audit_context;
43struct super_block;
44struct inode;
45struct dentry;
46struct file;
47struct vfsmount;
48struct path;
49struct qstr;
40401530
AV
50struct iattr;
51struct fown_struct;
52struct file_operations;
53struct shmid_kernel;
54struct msg_msg;
55struct msg_queue;
56struct xattr;
57struct xfrm_sec_ctx;
58struct mm_struct;
1da177e4 59
06112163
EP
60/* If capable should audit the security request */
61#define SECURITY_CAP_NOAUDIT 0
62#define SECURITY_CAP_AUDIT 1
63
eb9ae686
DQ
64/* LSM Agnostic defines for sb_set_mnt_opts */
65#define SECURITY_LSM_NATIVE_LABELS 1
66
1da177e4 67struct ctl_table;
03d37d25 68struct audit_krule;
3486740a 69struct user_namespace;
40401530 70struct timezone;
1da177e4 71
8f408ab6
DJ
72enum lsm_event {
73 LSM_POLICY_CHANGE,
74};
75
b1d9e6b0 76/* These functions are in security/commoncap.c */
6a9de491
EP
77extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
78 int cap, int audit);
457db29b 79extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
9e48858f 80extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
5cd9c58f 81extern int cap_ptrace_traceme(struct task_struct *parent);
7b41b173 82extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
d84f4f99
DH
83extern int cap_capset(struct cred *new, const struct cred *old,
84 const kernel_cap_t *effective,
85 const kernel_cap_t *inheritable,
86 const kernel_cap_t *permitted);
a6f76f23 87extern int cap_bprm_set_creds(struct linux_binprm *bprm);
8f0cfa52
DH
88extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
89 const void *value, size_t size, int flags);
90extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
b5376771
SH
91extern int cap_inode_need_killpriv(struct dentry *dentry);
92extern int cap_inode_killpriv(struct dentry *dentry);
d007794a 93extern int cap_mmap_addr(unsigned long addr);
e5467859
AV
94extern int cap_mmap_file(struct file *file, unsigned long reqprot,
95 unsigned long prot, unsigned long flags);
d84f4f99 96extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
3898b1b4 97extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
d84f4f99 98 unsigned long arg4, unsigned long arg5);
b0ae1981 99extern int cap_task_setscheduler(struct task_struct *p);
7b41b173
EP
100extern int cap_task_setioprio(struct task_struct *p, int ioprio);
101extern int cap_task_setnice(struct task_struct *p, int nice);
20510f2f 102extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
1da177e4
LT
103
104struct msghdr;
105struct sk_buff;
106struct sock;
107struct sockaddr;
108struct socket;
df71837d
TJ
109struct flowi;
110struct dst_entry;
111struct xfrm_selector;
112struct xfrm_policy;
113struct xfrm_state;
114struct xfrm_user_sec_ctx;
2069f457 115struct seq_file;
1da177e4 116
6e141546 117#ifdef CONFIG_MMU
ed032189 118extern unsigned long mmap_min_addr;
a2551df7 119extern unsigned long dac_mmap_min_addr;
6e141546 120#else
be8cfc4a 121#define mmap_min_addr 0UL
6e141546
DH
122#define dac_mmap_min_addr 0UL
123#endif
124
1da177e4
LT
125/*
126 * Values used in the task_security_ops calls
127 */
128/* setuid or setgid, id0 == uid or gid */
129#define LSM_SETID_ID 1
130
131/* setreuid or setregid, id0 == real, id1 == eff */
132#define LSM_SETID_RE 2
133
134/* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
135#define LSM_SETID_RES 4
136
137/* setfsuid or setfsgid, id0 == fsuid or fsgid */
138#define LSM_SETID_FS 8
139
791ec491
SS
140/* Flags for security_task_prlimit(). */
141#define LSM_PRLIMIT_READ 1
142#define LSM_PRLIMIT_WRITE 2
143
1da177e4 144/* forward declares to avoid warnings */
1da177e4 145struct sched_param;
4237c75c 146struct request_sock;
1da177e4 147
a6f76f23 148/* bprm->unsafe reasons */
1da177e4
LT
149#define LSM_UNSAFE_SHARE 1
150#define LSM_UNSAFE_PTRACE 2
9227dd2a 151#define LSM_UNSAFE_NO_NEW_PRIVS 4
1da177e4 152
6e141546 153#ifdef CONFIG_MMU
8d65af78 154extern int mmap_min_addr_handler(struct ctl_table *table, int write,
47d439e9 155 void __user *buffer, size_t *lenp, loff_t *ppos);
6e141546 156#endif
47d439e9 157
9d8f13ba
MZ
158/* security_inode_init_security callback function to write xattrs */
159typedef int (*initxattrs) (struct inode *inode,
160 const struct xattr *xattr_array, void *fs_data);
161
1da177e4
LT
162#ifdef CONFIG_SECURITY
163
e0007529
EP
164struct security_mnt_opts {
165 char **mnt_opts;
166 int *mnt_opts_flags;
167 int num_mnt_opts;
168};
169
8f408ab6
DJ
170int call_lsm_notifier(enum lsm_event event, void *data);
171int register_lsm_notifier(struct notifier_block *nb);
172int unregister_lsm_notifier(struct notifier_block *nb);
173
e0007529
EP
174static inline void security_init_mnt_opts(struct security_mnt_opts *opts)
175{
176 opts->mnt_opts = NULL;
177 opts->mnt_opts_flags = NULL;
178 opts->num_mnt_opts = 0;
179}
180
181static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
182{
183 int i;
184 if (opts->mnt_opts)
7b41b173 185 for (i = 0; i < opts->num_mnt_opts; i++)
e0007529
EP
186 kfree(opts->mnt_opts[i]);
187 kfree(opts->mnt_opts);
188 opts->mnt_opts = NULL;
189 kfree(opts->mnt_opts_flags);
190 opts->mnt_opts_flags = NULL;
191 opts->num_mnt_opts = 0;
192}
193
1da177e4 194/* prototypes */
7b41b173 195extern int security_init(void);
1da177e4 196
20510f2f 197/* Security operations */
79af7307
SS
198int security_binder_set_context_mgr(struct task_struct *mgr);
199int security_binder_transaction(struct task_struct *from,
200 struct task_struct *to);
201int security_binder_transfer_binder(struct task_struct *from,
202 struct task_struct *to);
203int security_binder_transfer_file(struct task_struct *from,
204 struct task_struct *to, struct file *file);
9e48858f 205int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
5cd9c58f 206int security_ptrace_traceme(struct task_struct *parent);
20510f2f 207int security_capget(struct task_struct *target,
7b41b173
EP
208 kernel_cap_t *effective,
209 kernel_cap_t *inheritable,
210 kernel_cap_t *permitted);
d84f4f99
DH
211int security_capset(struct cred *new, const struct cred *old,
212 const kernel_cap_t *effective,
213 const kernel_cap_t *inheritable,
214 const kernel_cap_t *permitted);
b7e724d3 215int security_capable(const struct cred *cred, struct user_namespace *ns,
3486740a 216 int cap);
c7eba4a9
EP
217int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
218 int cap);
20510f2f
JM
219int security_quotactl(int cmds, int type, int id, struct super_block *sb);
220int security_quota_on(struct dentry *dentry);
12b3052c 221int security_syslog(int type);
457db29b
BW
222int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
223static inline int security_settime(const struct timespec *ts, const struct timezone *tz)
224{
225 struct timespec64 ts64 = timespec_to_timespec64(*ts);
226
227 return security_settime64(&ts64, tz);
228}
20510f2f 229int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
a6f76f23 230int security_bprm_set_creds(struct linux_binprm *bprm);
20510f2f 231int security_bprm_check(struct linux_binprm *bprm);
a6f76f23
DH
232void security_bprm_committing_creds(struct linux_binprm *bprm);
233void security_bprm_committed_creds(struct linux_binprm *bprm);
20510f2f
JM
234int security_sb_alloc(struct super_block *sb);
235void security_sb_free(struct super_block *sb);
e0007529 236int security_sb_copy_data(char *orig, char *copy);
ff36fe2c 237int security_sb_remount(struct super_block *sb, void *data);
12204e24 238int security_sb_kern_mount(struct super_block *sb, int flags, void *data);
2069f457 239int security_sb_show_options(struct seq_file *m, struct super_block *sb);
20510f2f 240int security_sb_statfs(struct dentry *dentry);
8a04c43b 241int security_sb_mount(const char *dev_name, const struct path *path,
808d4e3c 242 const char *type, unsigned long flags, void *data);
20510f2f 243int security_sb_umount(struct vfsmount *mnt, int flags);
3b73b68c 244int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
649f6e77
DQ
245int security_sb_set_mnt_opts(struct super_block *sb,
246 struct security_mnt_opts *opts,
247 unsigned long kern_flags,
248 unsigned long *set_kern_flags);
094f7b69 249int security_sb_clone_mnt_opts(const struct super_block *oldsb,
0b4d3452
SM
250 struct super_block *newsb,
251 unsigned long kern_flags,
252 unsigned long *set_kern_flags);
e0007529 253int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts);
d47be3df 254int security_dentry_init_security(struct dentry *dentry, int mode,
4f3ccd76 255 const struct qstr *name, void **ctx,
d47be3df 256 u32 *ctxlen);
2602625b
VG
257int security_dentry_create_files_as(struct dentry *dentry, int mode,
258 struct qstr *name,
259 const struct cred *old,
260 struct cred *new);
c9180a57 261
20510f2f
JM
262int security_inode_alloc(struct inode *inode);
263void security_inode_free(struct inode *inode);
264int security_inode_init_security(struct inode *inode, struct inode *dir,
9d8f13ba
MZ
265 const struct qstr *qstr,
266 initxattrs initxattrs, void *fs_data);
267int security_old_inode_init_security(struct inode *inode, struct inode *dir,
9548906b 268 const struct qstr *qstr, const char **name,
9d8f13ba 269 void **value, size_t *len);
4acdaf27 270int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
20510f2f
JM
271int security_inode_link(struct dentry *old_dentry, struct inode *dir,
272 struct dentry *new_dentry);
273int security_inode_unlink(struct inode *dir, struct dentry *dentry);
274int security_inode_symlink(struct inode *dir, struct dentry *dentry,
7b41b173 275 const char *old_name);
18bb1db3 276int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
20510f2f 277int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
1a67aafb 278int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
20510f2f 279int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
0b3974eb
MS
280 struct inode *new_dir, struct dentry *new_dentry,
281 unsigned int flags);
20510f2f 282int security_inode_readlink(struct dentry *dentry);
bda0be7a
N
283int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
284 bool rcu);
b77b0646 285int security_inode_permission(struct inode *inode, int mask);
20510f2f 286int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
3f7036a0 287int security_inode_getattr(const struct path *path);
8f0cfa52
DH
288int security_inode_setxattr(struct dentry *dentry, const char *name,
289 const void *value, size_t size, int flags);
290void security_inode_post_setxattr(struct dentry *dentry, const char *name,
291 const void *value, size_t size, int flags);
292int security_inode_getxattr(struct dentry *dentry, const char *name);
20510f2f 293int security_inode_listxattr(struct dentry *dentry);
8f0cfa52 294int security_inode_removexattr(struct dentry *dentry, const char *name);
b5376771
SH
295int security_inode_need_killpriv(struct dentry *dentry);
296int security_inode_killpriv(struct dentry *dentry);
ea861dfd 297int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
20510f2f
JM
298int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
299int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
d6335d77 300void security_inode_getsecid(struct inode *inode, u32 *secid);
d8ad8b49 301int security_inode_copy_up(struct dentry *src, struct cred **new);
121ab822 302int security_inode_copy_up_xattr(const char *name);
20510f2f
JM
303int security_file_permission(struct file *file, int mask);
304int security_file_alloc(struct file *file);
305void security_file_free(struct file *file);
306int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
8b3ec681
AV
307int security_mmap_file(struct file *file, unsigned long prot,
308 unsigned long flags);
e5467859 309int security_mmap_addr(unsigned long addr);
20510f2f 310int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
7b41b173 311 unsigned long prot);
20510f2f
JM
312int security_file_lock(struct file *file, unsigned int cmd);
313int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
e0b93edd 314void security_file_set_fowner(struct file *file);
20510f2f 315int security_file_send_sigiotask(struct task_struct *tsk,
7b41b173 316 struct fown_struct *fown, int sig);
20510f2f 317int security_file_receive(struct file *file);
83d49856 318int security_file_open(struct file *file, const struct cred *cred);
20510f2f 319int security_task_create(unsigned long clone_flags);
e4e55b47 320int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
1a2a4d06 321void security_task_free(struct task_struct *task);
ee18d64c 322int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
f1752eec 323void security_cred_free(struct cred *cred);
d84f4f99 324int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
ee18d64c 325void security_transfer_creds(struct cred *new, const struct cred *old);
3a3b7ce9
DH
326int security_kernel_act_as(struct cred *new, u32 secid);
327int security_kernel_create_files_as(struct cred *new, struct inode *inode);
dd8dbf2e 328int security_kernel_module_request(char *kmod_name);
39eeb4fb 329int security_kernel_read_file(struct file *file, enum kernel_read_file_id id);
bc8ca5b9
MZ
330int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
331 enum kernel_read_file_id id);
d84f4f99
DH
332int security_task_fix_setuid(struct cred *new, const struct cred *old,
333 int flags);
20510f2f
JM
334int security_task_setpgid(struct task_struct *p, pid_t pgid);
335int security_task_getpgid(struct task_struct *p);
336int security_task_getsid(struct task_struct *p);
337void security_task_getsecid(struct task_struct *p, u32 *secid);
20510f2f
JM
338int security_task_setnice(struct task_struct *p, int nice);
339int security_task_setioprio(struct task_struct *p, int ioprio);
340int security_task_getioprio(struct task_struct *p);
791ec491
SS
341int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
342 unsigned int flags);
8fd00b4d
JS
343int security_task_setrlimit(struct task_struct *p, unsigned int resource,
344 struct rlimit *new_rlim);
b0ae1981 345int security_task_setscheduler(struct task_struct *p);
20510f2f
JM
346int security_task_getscheduler(struct task_struct *p);
347int security_task_movememory(struct task_struct *p);
348int security_task_kill(struct task_struct *p, struct siginfo *info,
349 int sig, u32 secid);
20510f2f 350int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
d84f4f99 351 unsigned long arg4, unsigned long arg5);
20510f2f
JM
352void security_task_to_inode(struct task_struct *p, struct inode *inode);
353int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
8a076191 354void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
20510f2f
JM
355int security_msg_msg_alloc(struct msg_msg *msg);
356void security_msg_msg_free(struct msg_msg *msg);
357int security_msg_queue_alloc(struct msg_queue *msq);
358void security_msg_queue_free(struct msg_queue *msq);
359int security_msg_queue_associate(struct msg_queue *msq, int msqflg);
360int security_msg_queue_msgctl(struct msg_queue *msq, int cmd);
361int security_msg_queue_msgsnd(struct msg_queue *msq,
7b41b173 362 struct msg_msg *msg, int msqflg);
20510f2f 363int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
7b41b173 364 struct task_struct *target, long type, int mode);
20510f2f
JM
365int security_shm_alloc(struct shmid_kernel *shp);
366void security_shm_free(struct shmid_kernel *shp);
367int security_shm_associate(struct shmid_kernel *shp, int shmflg);
368int security_shm_shmctl(struct shmid_kernel *shp, int cmd);
369int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg);
370int security_sem_alloc(struct sem_array *sma);
371void security_sem_free(struct sem_array *sma);
372int security_sem_associate(struct sem_array *sma, int semflg);
373int security_sem_semctl(struct sem_array *sma, int cmd);
374int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
375 unsigned nsops, int alter);
7b41b173 376void security_d_instantiate(struct dentry *dentry, struct inode *inode);
20510f2f 377int security_getprocattr(struct task_struct *p, char *name, char **value);
b21507e2 378int security_setprocattr(const char *name, void *value, size_t size);
20510f2f 379int security_netlink_send(struct sock *sk, struct sk_buff *skb);
746df9b5 380int security_ismaclabel(const char *name);
20510f2f 381int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
7bf570dc 382int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
20510f2f
JM
383void security_release_secctx(char *secdata, u32 seclen);
384
6f3be9f5 385void security_inode_invalidate_secctx(struct inode *inode);
1ee65e37
DQ
386int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
387int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
388int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
1da177e4 389#else /* CONFIG_SECURITY */
e0007529
EP
390struct security_mnt_opts {
391};
392
8f408ab6
DJ
393static inline int call_lsm_notifier(enum lsm_event event, void *data)
394{
395 return 0;
396}
397
398static inline int register_lsm_notifier(struct notifier_block *nb)
399{
400 return 0;
401}
402
403static inline int unregister_lsm_notifier(struct notifier_block *nb)
404{
405 return 0;
406}
407
e0007529
EP
408static inline void security_init_mnt_opts(struct security_mnt_opts *opts)
409{
410}
411
412static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
413{
414}
1da177e4
LT
415
416/*
417 * This is the default capabilities functionality. Most of these functions
418 * are just stubbed out, but a few must call the proper capable code.
419 */
420
421static inline int security_init(void)
422{
423 return 0;
424}
425
79af7307
SS
426static inline int security_binder_set_context_mgr(struct task_struct *mgr)
427{
428 return 0;
429}
430
431static inline int security_binder_transaction(struct task_struct *from,
432 struct task_struct *to)
433{
434 return 0;
435}
436
437static inline int security_binder_transfer_binder(struct task_struct *from,
438 struct task_struct *to)
439{
440 return 0;
441}
442
443static inline int security_binder_transfer_file(struct task_struct *from,
444 struct task_struct *to,
445 struct file *file)
446{
447 return 0;
448}
449
9e48858f 450static inline int security_ptrace_access_check(struct task_struct *child,
5cd9c58f
DH
451 unsigned int mode)
452{
9e48858f 453 return cap_ptrace_access_check(child, mode);
5cd9c58f
DH
454}
455
5e186b57 456static inline int security_ptrace_traceme(struct task_struct *parent)
1da177e4 457{
5cd9c58f 458 return cap_ptrace_traceme(parent);
1da177e4
LT
459}
460
7b41b173 461static inline int security_capget(struct task_struct *target,
1da177e4
LT
462 kernel_cap_t *effective,
463 kernel_cap_t *inheritable,
464 kernel_cap_t *permitted)
465{
7b41b173 466 return cap_capget(target, effective, inheritable, permitted);
1da177e4
LT
467}
468
d84f4f99
DH
469static inline int security_capset(struct cred *new,
470 const struct cred *old,
471 const kernel_cap_t *effective,
472 const kernel_cap_t *inheritable,
473 const kernel_cap_t *permitted)
1da177e4 474{
d84f4f99 475 return cap_capset(new, old, effective, inheritable, permitted);
1da177e4
LT
476}
477
b7e724d3
EP
478static inline int security_capable(const struct cred *cred,
479 struct user_namespace *ns, int cap)
06112163 480{
6a9de491 481 return cap_capable(cred, ns, cap, SECURITY_CAP_AUDIT);
3699c53c
DH
482}
483
c7eba4a9
EP
484static inline int security_capable_noaudit(const struct cred *cred,
485 struct user_namespace *ns, int cap) {
486 return cap_capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
12b5989b
CW
487}
488
7b41b173
EP
489static inline int security_quotactl(int cmds, int type, int id,
490 struct super_block *sb)
1da177e4
LT
491{
492 return 0;
493}
494
7b41b173 495static inline int security_quota_on(struct dentry *dentry)
1da177e4
LT
496{
497 return 0;
498}
499
12b3052c 500static inline int security_syslog(int type)
1da177e4 501{
12b3052c 502 return 0;
1da177e4
LT
503}
504
457db29b
BW
505static inline int security_settime64(const struct timespec64 *ts,
506 const struct timezone *tz)
507{
508 return cap_settime(ts, tz);
509}
510
1e6d7679
RC
511static inline int security_settime(const struct timespec *ts,
512 const struct timezone *tz)
1da177e4 513{
457db29b
BW
514 struct timespec64 ts64 = timespec_to_timespec64(*ts);
515
516 return cap_settime(&ts64, tz);
1da177e4
LT
517}
518
1b79cd04 519static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
731572d3 520{
b1d9e6b0 521 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
731572d3
AC
522}
523
a6f76f23 524static inline int security_bprm_set_creds(struct linux_binprm *bprm)
7b41b173 525{
a6f76f23 526 return cap_bprm_set_creds(bprm);
1da177e4
LT
527}
528
a6f76f23 529static inline int security_bprm_check(struct linux_binprm *bprm)
1da177e4 530{
a6f76f23 531 return 0;
1da177e4
LT
532}
533
a6f76f23 534static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
1da177e4 535{
1da177e4
LT
536}
537
a6f76f23 538static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
1da177e4 539{
1da177e4
LT
540}
541
7b41b173 542static inline int security_sb_alloc(struct super_block *sb)
1da177e4
LT
543{
544 return 0;
545}
546
7b41b173 547static inline void security_sb_free(struct super_block *sb)
1da177e4
LT
548{ }
549
7b41b173 550static inline int security_sb_copy_data(char *orig, char *copy)
1da177e4
LT
551{
552 return 0;
553}
554
ff36fe2c
EP
555static inline int security_sb_remount(struct super_block *sb, void *data)
556{
557 return 0;
558}
559
12204e24 560static inline int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
1da177e4
LT
561{
562 return 0;
563}
564
2069f457
EP
565static inline int security_sb_show_options(struct seq_file *m,
566 struct super_block *sb)
567{
568 return 0;
569}
570
7b41b173 571static inline int security_sb_statfs(struct dentry *dentry)
1da177e4
LT
572{
573 return 0;
574}
575
8a04c43b 576static inline int security_sb_mount(const char *dev_name, const struct path *path,
808d4e3c 577 const char *type, unsigned long flags,
1da177e4
LT
578 void *data)
579{
580 return 0;
581}
582
7b41b173 583static inline int security_sb_umount(struct vfsmount *mnt, int flags)
1da177e4
LT
584{
585 return 0;
586}
587
3b73b68c
AV
588static inline int security_sb_pivotroot(const struct path *old_path,
589 const struct path *new_path)
1da177e4
LT
590{
591 return 0;
592}
593
e0007529 594static inline int security_sb_set_mnt_opts(struct super_block *sb,
649f6e77
DQ
595 struct security_mnt_opts *opts,
596 unsigned long kern_flags,
597 unsigned long *set_kern_flags)
e0007529
EP
598{
599 return 0;
600}
601
094f7b69 602static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
0b4d3452
SM
603 struct super_block *newsb,
604 unsigned long kern_flags,
605 unsigned long *set_kern_flags)
094f7b69
JL
606{
607 return 0;
608}
e0007529
EP
609
610static inline int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
611{
612 return 0;
613}
1da177e4 614
7b41b173 615static inline int security_inode_alloc(struct inode *inode)
1da177e4
LT
616{
617 return 0;
618}
619
7b41b173 620static inline void security_inode_free(struct inode *inode)
1da177e4 621{ }
5e41ff9e 622
d47be3df
DQ
623static inline int security_dentry_init_security(struct dentry *dentry,
624 int mode,
4f3ccd76 625 const struct qstr *name,
d47be3df
DQ
626 void **ctx,
627 u32 *ctxlen)
628{
629 return -EOPNOTSUPP;
630}
631
2602625b
VG
632static inline int security_dentry_create_files_as(struct dentry *dentry,
633 int mode, struct qstr *name,
634 const struct cred *old,
635 struct cred *new)
636{
637 return 0;
638}
639
d47be3df 640
7b41b173 641static inline int security_inode_init_security(struct inode *inode,
5e41ff9e 642 struct inode *dir,
2a7dba39 643 const struct qstr *qstr,
fbff6610 644 const initxattrs xattrs,
9d8f13ba 645 void *fs_data)
5e41ff9e 646{
1e39f384 647 return 0;
5e41ff9e 648}
7b41b173 649
1e39f384
MZ
650static inline int security_old_inode_init_security(struct inode *inode,
651 struct inode *dir,
652 const struct qstr *qstr,
9548906b
TH
653 const char **name,
654 void **value, size_t *len)
e1c9b23a 655{
30e05324 656 return -EOPNOTSUPP;
e1c9b23a
MZ
657}
658
7b41b173 659static inline int security_inode_create(struct inode *dir,
1da177e4 660 struct dentry *dentry,
4acdaf27 661 umode_t mode)
1da177e4
LT
662{
663 return 0;
664}
665
7b41b173 666static inline int security_inode_link(struct dentry *old_dentry,
1da177e4
LT
667 struct inode *dir,
668 struct dentry *new_dentry)
669{
670 return 0;
671}
672
7b41b173 673static inline int security_inode_unlink(struct inode *dir,
1da177e4
LT
674 struct dentry *dentry)
675{
676 return 0;
677}
678
7b41b173 679static inline int security_inode_symlink(struct inode *dir,
1da177e4
LT
680 struct dentry *dentry,
681 const char *old_name)
682{
683 return 0;
684}
685
7b41b173 686static inline int security_inode_mkdir(struct inode *dir,
1da177e4
LT
687 struct dentry *dentry,
688 int mode)
689{
690 return 0;
691}
692
7b41b173 693static inline int security_inode_rmdir(struct inode *dir,
1da177e4
LT
694 struct dentry *dentry)
695{
696 return 0;
697}
698
7b41b173 699static inline int security_inode_mknod(struct inode *dir,
1da177e4
LT
700 struct dentry *dentry,
701 int mode, dev_t dev)
702{
703 return 0;
704}
705
7b41b173 706static inline int security_inode_rename(struct inode *old_dir,
1da177e4
LT
707 struct dentry *old_dentry,
708 struct inode *new_dir,
0b3974eb
MS
709 struct dentry *new_dentry,
710 unsigned int flags)
1da177e4
LT
711{
712 return 0;
713}
714
7b41b173 715static inline int security_inode_readlink(struct dentry *dentry)
1da177e4
LT
716{
717 return 0;
718}
719
bda0be7a
N
720static inline int security_inode_follow_link(struct dentry *dentry,
721 struct inode *inode,
722 bool rcu)
1da177e4
LT
723{
724 return 0;
725}
726
b77b0646 727static inline int security_inode_permission(struct inode *inode, int mask)
1da177e4
LT
728{
729 return 0;
730}
731
7b41b173 732static inline int security_inode_setattr(struct dentry *dentry,
1da177e4
LT
733 struct iattr *attr)
734{
735 return 0;
736}
737
3f7036a0 738static inline int security_inode_getattr(const struct path *path)
1da177e4
LT
739{
740 return 0;
741}
742
8f0cfa52
DH
743static inline int security_inode_setxattr(struct dentry *dentry,
744 const char *name, const void *value, size_t size, int flags)
1da177e4
LT
745{
746 return cap_inode_setxattr(dentry, name, value, size, flags);
747}
748
8f0cfa52
DH
749static inline void security_inode_post_setxattr(struct dentry *dentry,
750 const char *name, const void *value, size_t size, int flags)
1da177e4
LT
751{ }
752
8f0cfa52
DH
753static inline int security_inode_getxattr(struct dentry *dentry,
754 const char *name)
1da177e4
LT
755{
756 return 0;
757}
758
7b41b173 759static inline int security_inode_listxattr(struct dentry *dentry)
1da177e4
LT
760{
761 return 0;
762}
763
8f0cfa52
DH
764static inline int security_inode_removexattr(struct dentry *dentry,
765 const char *name)
1da177e4
LT
766{
767 return cap_inode_removexattr(dentry, name);
768}
769
b5376771
SH
770static inline int security_inode_need_killpriv(struct dentry *dentry)
771{
772 return cap_inode_need_killpriv(dentry);
773}
774
775static inline int security_inode_killpriv(struct dentry *dentry)
776{
777 return cap_inode_killpriv(dentry);
778}
779
ea861dfd 780static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
1da177e4
LT
781{
782 return -EOPNOTSUPP;
783}
784
785static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
786{
787 return -EOPNOTSUPP;
788}
789
790static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
791{
792 return 0;
793}
794
d6335d77 795static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
8a076191
AD
796{
797 *secid = 0;
798}
799
d8ad8b49
VG
800static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
801{
802 return 0;
803}
804
121ab822
VG
805static inline int security_inode_copy_up_xattr(const char *name)
806{
807 return -EOPNOTSUPP;
808}
809
7b41b173 810static inline int security_file_permission(struct file *file, int mask)
1da177e4
LT
811{
812 return 0;
813}
814
7b41b173 815static inline int security_file_alloc(struct file *file)
1da177e4
LT
816{
817 return 0;
818}
819
7b41b173 820static inline void security_file_free(struct file *file)
1da177e4
LT
821{ }
822
7b41b173
EP
823static inline int security_file_ioctl(struct file *file, unsigned int cmd,
824 unsigned long arg)
1da177e4
LT
825{
826 return 0;
827}
828
8b3ec681 829static inline int security_mmap_file(struct file *file, unsigned long prot,
e5467859
AV
830 unsigned long flags)
831{
832 return 0;
833}
834
835static inline int security_mmap_addr(unsigned long addr)
1da177e4 836{
d007794a 837 return cap_mmap_addr(addr);
1da177e4
LT
838}
839
7b41b173
EP
840static inline int security_file_mprotect(struct vm_area_struct *vma,
841 unsigned long reqprot,
842 unsigned long prot)
1da177e4
LT
843{
844 return 0;
845}
846
7b41b173 847static inline int security_file_lock(struct file *file, unsigned int cmd)
1da177e4
LT
848{
849 return 0;
850}
851
7b41b173
EP
852static inline int security_file_fcntl(struct file *file, unsigned int cmd,
853 unsigned long arg)
1da177e4
LT
854{
855 return 0;
856}
857
e0b93edd 858static inline void security_file_set_fowner(struct file *file)
1da177e4 859{
e0b93edd 860 return;
1da177e4
LT
861}
862
7b41b173
EP
863static inline int security_file_send_sigiotask(struct task_struct *tsk,
864 struct fown_struct *fown,
865 int sig)
1da177e4
LT
866{
867 return 0;
868}
869
7b41b173 870static inline int security_file_receive(struct file *file)
1da177e4
LT
871{
872 return 0;
873}
874
83d49856
EP
875static inline int security_file_open(struct file *file,
876 const struct cred *cred)
788e7dd4
YN
877{
878 return 0;
879}
880
7b41b173 881static inline int security_task_create(unsigned long clone_flags)
1da177e4
LT
882{
883 return 0;
884}
885
e4e55b47
TH
886static inline int security_task_alloc(struct task_struct *task,
887 unsigned long clone_flags)
888{
889 return 0;
890}
891
1a2a4d06
KC
892static inline void security_task_free(struct task_struct *task)
893{ }
894
945af7c3
DH
895static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
896{
897 return 0;
898}
ee18d64c 899
d84f4f99
DH
900static inline void security_cred_free(struct cred *cred)
901{ }
902
903static inline int security_prepare_creds(struct cred *new,
904 const struct cred *old,
905 gfp_t gfp)
1da177e4
LT
906{
907 return 0;
908}
909
ee18d64c
DH
910static inline void security_transfer_creds(struct cred *new,
911 const struct cred *old)
912{
913}
914
3a3b7ce9
DH
915static inline int security_kernel_act_as(struct cred *cred, u32 secid)
916{
917 return 0;
918}
919
920static inline int security_kernel_create_files_as(struct cred *cred,
921 struct inode *inode)
922{
923 return 0;
924}
925
dd8dbf2e 926static inline int security_kernel_module_request(char *kmod_name)
9188499c
EP
927{
928 return 0;
1da177e4
LT
929}
930
39eeb4fb
MZ
931static inline int security_kernel_read_file(struct file *file,
932 enum kernel_read_file_id id)
933{
934 return 0;
935}
936
b44a7dfc 937static inline int security_kernel_post_read_file(struct file *file,
bc8ca5b9
MZ
938 char *buf, loff_t size,
939 enum kernel_read_file_id id)
b44a7dfc
MZ
940{
941 return 0;
942}
943
d84f4f99
DH
944static inline int security_task_fix_setuid(struct cred *new,
945 const struct cred *old,
946 int flags)
1da177e4 947{
d84f4f99 948 return cap_task_fix_setuid(new, old, flags);
1da177e4
LT
949}
950
7b41b173 951static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1da177e4
LT
952{
953 return 0;
954}
955
7b41b173 956static inline int security_task_getpgid(struct task_struct *p)
1da177e4
LT
957{
958 return 0;
959}
960
7b41b173 961static inline int security_task_getsid(struct task_struct *p)
1da177e4
LT
962{
963 return 0;
964}
965
7b41b173 966static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
8a076191
AD
967{
968 *secid = 0;
969}
f9008e4c 970
7b41b173 971static inline int security_task_setnice(struct task_struct *p, int nice)
1da177e4 972{
b5376771 973 return cap_task_setnice(p, nice);
1da177e4
LT
974}
975
7b41b173 976static inline int security_task_setioprio(struct task_struct *p, int ioprio)
03e68060 977{
b5376771 978 return cap_task_setioprio(p, ioprio);
03e68060
JM
979}
980
7b41b173 981static inline int security_task_getioprio(struct task_struct *p)
a1836a42
DQ
982{
983 return 0;
984}
985
791ec491
SS
986static inline int security_task_prlimit(const struct cred *cred,
987 const struct cred *tcred,
988 unsigned int flags)
989{
990 return 0;
991}
992
8fd00b4d
JS
993static inline int security_task_setrlimit(struct task_struct *p,
994 unsigned int resource,
7b41b173 995 struct rlimit *new_rlim)
1da177e4
LT
996{
997 return 0;
998}
999
b0ae1981 1000static inline int security_task_setscheduler(struct task_struct *p)
1da177e4 1001{
b0ae1981 1002 return cap_task_setscheduler(p);
1da177e4
LT
1003}
1004
7b41b173 1005static inline int security_task_getscheduler(struct task_struct *p)
1da177e4
LT
1006{
1007 return 0;
1008}
1009
7b41b173 1010static inline int security_task_movememory(struct task_struct *p)
35601547
DQ
1011{
1012 return 0;
1013}
1014
7b41b173
EP
1015static inline int security_task_kill(struct task_struct *p,
1016 struct siginfo *info, int sig,
1017 u32 secid)
1da177e4 1018{
aedb60a6 1019 return 0;
1da177e4
LT
1020}
1021
7b41b173
EP
1022static inline int security_task_prctl(int option, unsigned long arg2,
1023 unsigned long arg3,
1024 unsigned long arg4,
d84f4f99 1025 unsigned long arg5)
1da177e4 1026{
b7f76ea2 1027 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1da177e4
LT
1028}
1029
1030static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1031{ }
1032
7b41b173
EP
1033static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1034 short flag)
1da177e4
LT
1035{
1036 return 0;
1037}
1038
8a076191
AD
1039static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1040{
1041 *secid = 0;
1042}
1043
7b41b173 1044static inline int security_msg_msg_alloc(struct msg_msg *msg)
1da177e4
LT
1045{
1046 return 0;
1047}
1048
7b41b173 1049static inline void security_msg_msg_free(struct msg_msg *msg)
1da177e4
LT
1050{ }
1051
7b41b173 1052static inline int security_msg_queue_alloc(struct msg_queue *msq)
1da177e4
LT
1053{
1054 return 0;
1055}
1056
7b41b173 1057static inline void security_msg_queue_free(struct msg_queue *msq)
1da177e4
LT
1058{ }
1059
7b41b173
EP
1060static inline int security_msg_queue_associate(struct msg_queue *msq,
1061 int msqflg)
1da177e4
LT
1062{
1063 return 0;
1064}
1065
7b41b173 1066static inline int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
1da177e4
LT
1067{
1068 return 0;
1069}
1070
7b41b173
EP
1071static inline int security_msg_queue_msgsnd(struct msg_queue *msq,
1072 struct msg_msg *msg, int msqflg)
1da177e4
LT
1073{
1074 return 0;
1075}
1076
7b41b173
EP
1077static inline int security_msg_queue_msgrcv(struct msg_queue *msq,
1078 struct msg_msg *msg,
1079 struct task_struct *target,
1080 long type, int mode)
1da177e4
LT
1081{
1082 return 0;
1083}
1084
7b41b173 1085static inline int security_shm_alloc(struct shmid_kernel *shp)
1da177e4
LT
1086{
1087 return 0;
1088}
1089
7b41b173 1090static inline void security_shm_free(struct shmid_kernel *shp)
1da177e4
LT
1091{ }
1092
7b41b173
EP
1093static inline int security_shm_associate(struct shmid_kernel *shp,
1094 int shmflg)
1da177e4
LT
1095{
1096 return 0;
1097}
1098
7b41b173 1099static inline int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
1da177e4
LT
1100{
1101 return 0;
1102}
1103
7b41b173
EP
1104static inline int security_shm_shmat(struct shmid_kernel *shp,
1105 char __user *shmaddr, int shmflg)
1da177e4
LT
1106{
1107 return 0;
1108}
1109
7b41b173 1110static inline int security_sem_alloc(struct sem_array *sma)
1da177e4
LT
1111{
1112 return 0;
1113}
1114
7b41b173 1115static inline void security_sem_free(struct sem_array *sma)
1da177e4
LT
1116{ }
1117
7b41b173 1118static inline int security_sem_associate(struct sem_array *sma, int semflg)
1da177e4
LT
1119{
1120 return 0;
1121}
1122
7b41b173 1123static inline int security_sem_semctl(struct sem_array *sma, int cmd)
1da177e4
LT
1124{
1125 return 0;
1126}
1127
7b41b173
EP
1128static inline int security_sem_semop(struct sem_array *sma,
1129 struct sembuf *sops, unsigned nsops,
1130 int alter)
1da177e4
LT
1131{
1132 return 0;
1133}
1134
7b41b173 1135static inline void security_d_instantiate(struct dentry *dentry, struct inode *inode)
1da177e4
LT
1136{ }
1137
04ff9708 1138static inline int security_getprocattr(struct task_struct *p, char *name, char **value)
1da177e4
LT
1139{
1140 return -EINVAL;
1141}
1142
b21507e2 1143static inline int security_setprocattr(char *name, void *value, size_t size)
1da177e4
LT
1144{
1145 return -EINVAL;
1146}
1147
7b41b173 1148static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1da177e4 1149{
b1d9e6b0 1150 return 0;
1da177e4
LT
1151}
1152
746df9b5
DQ
1153static inline int security_ismaclabel(const char *name)
1154{
1155 return 0;
1156}
1157
dc49c1f9
CZ
1158static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1159{
1160 return -EOPNOTSUPP;
1161}
1162
7bf570dc 1163static inline int security_secctx_to_secid(const char *secdata,
63cb3449
DH
1164 u32 seclen,
1165 u32 *secid)
1166{
1167 return -EOPNOTSUPP;
1168}
1169
dc49c1f9
CZ
1170static inline void security_release_secctx(char *secdata, u32 seclen)
1171{
dc49c1f9 1172}
1ee65e37 1173
6f3be9f5
AG
1174static inline void security_inode_invalidate_secctx(struct inode *inode)
1175{
1176}
1177
1ee65e37
DQ
1178static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1179{
1180 return -EOPNOTSUPP;
1181}
1182static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1183{
1184 return -EOPNOTSUPP;
1185}
1186static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1187{
1188 return -EOPNOTSUPP;
1189}
1da177e4
LT
1190#endif /* CONFIG_SECURITY */
1191
1192#ifdef CONFIG_SECURITY_NETWORK
4237c75c 1193
3610cda5 1194int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
20510f2f
JM
1195int security_unix_may_send(struct socket *sock, struct socket *other);
1196int security_socket_create(int family, int type, int protocol, int kern);
1197int security_socket_post_create(struct socket *sock, int family,
1198 int type, int protocol, int kern);
1199int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1200int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1201int security_socket_listen(struct socket *sock, int backlog);
1202int security_socket_accept(struct socket *sock, struct socket *newsock);
20510f2f
JM
1203int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1204int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1205 int size, int flags);
1206int security_socket_getsockname(struct socket *sock);
1207int security_socket_getpeername(struct socket *sock);
1208int security_socket_getsockopt(struct socket *sock, int level, int optname);
1209int security_socket_setsockopt(struct socket *sock, int level, int optname);
1210int security_socket_shutdown(struct socket *sock, int how);
1211int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1212int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1213 int __user *optlen, unsigned len);
1214int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1215int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1216void security_sk_free(struct sock *sk);
1217void security_sk_clone(const struct sock *sk, struct sock *newsk);
1218void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
1219void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
1220void security_sock_graft(struct sock*sk, struct socket *parent);
1221int security_inet_conn_request(struct sock *sk,
1222 struct sk_buff *skb, struct request_sock *req);
1223void security_inet_csk_clone(struct sock *newsk,
1224 const struct request_sock *req);
1225void security_inet_conn_established(struct sock *sk,
1226 struct sk_buff *skb);
2606fd1f
EP
1227int security_secmark_relabel_packet(u32 secid);
1228void security_secmark_refcount_inc(void);
1229void security_secmark_refcount_dec(void);
5dbbaf2d
PM
1230int security_tun_dev_alloc_security(void **security);
1231void security_tun_dev_free_security(void *security);
2b980dbd 1232int security_tun_dev_create(void);
5dbbaf2d
PM
1233int security_tun_dev_attach_queue(void *security);
1234int security_tun_dev_attach(struct sock *sk, void *security);
1235int security_tun_dev_open(void *security);
6b877699 1236
1da177e4 1237#else /* CONFIG_SECURITY_NETWORK */
3610cda5
DM
1238static inline int security_unix_stream_connect(struct sock *sock,
1239 struct sock *other,
7b41b173 1240 struct sock *newsk)
1da177e4
LT
1241{
1242 return 0;
1243}
1244
7b41b173
EP
1245static inline int security_unix_may_send(struct socket *sock,
1246 struct socket *other)
1da177e4
LT
1247{
1248 return 0;
1249}
1250
7b41b173
EP
1251static inline int security_socket_create(int family, int type,
1252 int protocol, int kern)
1da177e4
LT
1253{
1254 return 0;
1255}
1256
7b41b173 1257static inline int security_socket_post_create(struct socket *sock,
7420ed23
VY
1258 int family,
1259 int type,
1260 int protocol, int kern)
1da177e4 1261{
7420ed23 1262 return 0;
1da177e4
LT
1263}
1264
7b41b173
EP
1265static inline int security_socket_bind(struct socket *sock,
1266 struct sockaddr *address,
1da177e4
LT
1267 int addrlen)
1268{
1269 return 0;
1270}
1271
7b41b173
EP
1272static inline int security_socket_connect(struct socket *sock,
1273 struct sockaddr *address,
1da177e4
LT
1274 int addrlen)
1275{
1276 return 0;
1277}
1278
7b41b173 1279static inline int security_socket_listen(struct socket *sock, int backlog)
1da177e4
LT
1280{
1281 return 0;
1282}
1283
7b41b173
EP
1284static inline int security_socket_accept(struct socket *sock,
1285 struct socket *newsock)
1da177e4
LT
1286{
1287 return 0;
1288}
1289
7b41b173
EP
1290static inline int security_socket_sendmsg(struct socket *sock,
1291 struct msghdr *msg, int size)
1da177e4
LT
1292{
1293 return 0;
1294}
1295
7b41b173
EP
1296static inline int security_socket_recvmsg(struct socket *sock,
1297 struct msghdr *msg, int size,
1da177e4
LT
1298 int flags)
1299{
1300 return 0;
1301}
1302
7b41b173 1303static inline int security_socket_getsockname(struct socket *sock)
1da177e4
LT
1304{
1305 return 0;
1306}
1307
7b41b173 1308static inline int security_socket_getpeername(struct socket *sock)
1da177e4
LT
1309{
1310 return 0;
1311}
1312
7b41b173 1313static inline int security_socket_getsockopt(struct socket *sock,
1da177e4
LT
1314 int level, int optname)
1315{
1316 return 0;
1317}
1318
7b41b173 1319static inline int security_socket_setsockopt(struct socket *sock,
1da177e4
LT
1320 int level, int optname)
1321{
1322 return 0;
1323}
1324
7b41b173 1325static inline int security_socket_shutdown(struct socket *sock, int how)
1da177e4
LT
1326{
1327 return 0;
1328}
7b41b173
EP
1329static inline int security_sock_rcv_skb(struct sock *sk,
1330 struct sk_buff *skb)
1da177e4
LT
1331{
1332 return 0;
1333}
1334
2c7946a7
CZ
1335static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1336 int __user *optlen, unsigned len)
1337{
1338 return -ENOPROTOOPT;
1339}
1340
dc49c1f9 1341static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1da177e4
LT
1342{
1343 return -ENOPROTOOPT;
1344}
1345
dd0fc66f 1346static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1da177e4
LT
1347{
1348 return 0;
1349}
1350
1351static inline void security_sk_free(struct sock *sk)
892c141e
VY
1352{
1353}
1354
1355static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1da177e4
LT
1356{
1357}
df71837d 1358
beb8d13b 1359static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
df71837d 1360{
df71837d 1361}
4237c75c
VY
1362
1363static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1364{
1365}
1366
7b41b173 1367static inline void security_sock_graft(struct sock *sk, struct socket *parent)
4237c75c
VY
1368{
1369}
1370
1371static inline int security_inet_conn_request(struct sock *sk,
1372 struct sk_buff *skb, struct request_sock *req)
1373{
1374 return 0;
1375}
1376
1377static inline void security_inet_csk_clone(struct sock *newsk,
1378 const struct request_sock *req)
1379{
1380}
6b877699
VY
1381
1382static inline void security_inet_conn_established(struct sock *sk,
1383 struct sk_buff *skb)
1384{
1385}
2b980dbd 1386
2606fd1f
EP
1387static inline int security_secmark_relabel_packet(u32 secid)
1388{
1389 return 0;
1390}
1391
1392static inline void security_secmark_refcount_inc(void)
1393{
1394}
1395
1396static inline void security_secmark_refcount_dec(void)
1397{
1398}
1399
5dbbaf2d
PM
1400static inline int security_tun_dev_alloc_security(void **security)
1401{
1402 return 0;
1403}
1404
1405static inline void security_tun_dev_free_security(void *security)
1406{
1407}
1408
2b980dbd
PM
1409static inline int security_tun_dev_create(void)
1410{
1411 return 0;
1412}
1413
5dbbaf2d
PM
1414static inline int security_tun_dev_attach_queue(void *security)
1415{
1416 return 0;
1417}
1418
1419static inline int security_tun_dev_attach(struct sock *sk, void *security)
2b980dbd 1420{
5dbbaf2d 1421 return 0;
2b980dbd
PM
1422}
1423
5dbbaf2d 1424static inline int security_tun_dev_open(void *security)
2b980dbd
PM
1425{
1426 return 0;
1427}
1da177e4
LT
1428#endif /* CONFIG_SECURITY_NETWORK */
1429
d291f1a6
DJ
1430#ifdef CONFIG_SECURITY_INFINIBAND
1431int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
47a2b338 1432int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
d291f1a6
DJ
1433int security_ib_alloc_security(void **sec);
1434void security_ib_free_security(void *sec);
1435#else /* CONFIG_SECURITY_INFINIBAND */
1436static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1437{
1438 return 0;
1439}
1440
47a2b338
DJ
1441static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1442{
1443 return 0;
1444}
1445
d291f1a6
DJ
1446static inline int security_ib_alloc_security(void **sec)
1447{
1448 return 0;
1449}
1450
1451static inline void security_ib_free_security(void *sec)
1452{
1453}
1454#endif /* CONFIG_SECURITY_INFINIBAND */
1455
df71837d 1456#ifdef CONFIG_SECURITY_NETWORK_XFRM
beb8d13b 1457
52a4c640
NA
1458int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1459 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
03e1ad7b
PM
1460int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1461void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1462int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
20510f2f
JM
1463int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1464int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1465 struct xfrm_sec_ctx *polsec, u32 secid);
1466int security_xfrm_state_delete(struct xfrm_state *x);
1467void security_xfrm_state_free(struct xfrm_state *x);
03e1ad7b 1468int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
20510f2f 1469int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
e33f7704
DM
1470 struct xfrm_policy *xp,
1471 const struct flowi *fl);
20510f2f
JM
1472int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1473void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl);
beb8d13b 1474
df71837d 1475#else /* CONFIG_SECURITY_NETWORK_XFRM */
20510f2f 1476
52a4c640
NA
1477static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1478 struct xfrm_user_sec_ctx *sec_ctx,
1479 gfp_t gfp)
df71837d
TJ
1480{
1481 return 0;
1482}
1483
03e1ad7b 1484static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
df71837d
TJ
1485{
1486 return 0;
1487}
1488
03e1ad7b 1489static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
df71837d
TJ
1490{
1491}
1492
03e1ad7b 1493static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
c8c05a8e
CZ
1494{
1495 return 0;
1496}
1497
e0d1caa7
VY
1498static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1499 struct xfrm_user_sec_ctx *sec_ctx)
1500{
1501 return 0;
1502}
1503
1504static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1505 struct xfrm_sec_ctx *polsec, u32 secid)
df71837d
TJ
1506{
1507 return 0;
1508}
1509
1510static inline void security_xfrm_state_free(struct xfrm_state *x)
1511{
1512}
1513
6f68dc37 1514static inline int security_xfrm_state_delete(struct xfrm_state *x)
c8c05a8e
CZ
1515{
1516 return 0;
1517}
1518
03e1ad7b 1519static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
df71837d
TJ
1520{
1521 return 0;
1522}
e0d1caa7
VY
1523
1524static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
e33f7704 1525 struct xfrm_policy *xp, const struct flowi *fl)
e0d1caa7
VY
1526{
1527 return 1;
1528}
1529
beb8d13b 1530static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
e0d1caa7
VY
1531{
1532 return 0;
1533}
1534
beb8d13b
VY
1535static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1536{
1537}
1538
df71837d
TJ
1539#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1540
be6d3e56 1541#ifdef CONFIG_SECURITY_PATH
989f74e0 1542int security_path_unlink(const struct path *dir, struct dentry *dentry);
d3607752 1543int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
989f74e0 1544int security_path_rmdir(const struct path *dir, struct dentry *dentry);
d3607752 1545int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
be6d3e56 1546 unsigned int dev);
81f4c506 1547int security_path_truncate(const struct path *path);
d3607752 1548int security_path_symlink(const struct path *dir, struct dentry *dentry,
be6d3e56 1549 const char *old_name);
3ccee46a 1550int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
be6d3e56 1551 struct dentry *new_dentry);
3ccee46a
AV
1552int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1553 const struct path *new_dir, struct dentry *new_dentry,
0b3974eb 1554 unsigned int flags);
be01f9f2 1555int security_path_chmod(const struct path *path, umode_t mode);
7fd25dac 1556int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
77b286c0 1557int security_path_chroot(const struct path *path);
be6d3e56 1558#else /* CONFIG_SECURITY_PATH */
989f74e0 1559static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
be6d3e56
KT
1560{
1561 return 0;
1562}
1563
d3607752 1564static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
4572befe 1565 umode_t mode)
be6d3e56
KT
1566{
1567 return 0;
1568}
1569
989f74e0 1570static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
be6d3e56
KT
1571{
1572 return 0;
1573}
1574
d3607752 1575static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
04fc66e7 1576 umode_t mode, unsigned int dev)
be6d3e56
KT
1577{
1578 return 0;
1579}
1580
81f4c506 1581static inline int security_path_truncate(const struct path *path)
be6d3e56
KT
1582{
1583 return 0;
1584}
1585
d3607752 1586static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
be6d3e56
KT
1587 const char *old_name)
1588{
1589 return 0;
1590}
1591
1592static inline int security_path_link(struct dentry *old_dentry,
3ccee46a 1593 const struct path *new_dir,
be6d3e56
KT
1594 struct dentry *new_dentry)
1595{
1596 return 0;
1597}
1598
3ccee46a 1599static inline int security_path_rename(const struct path *old_dir,
be6d3e56 1600 struct dentry *old_dentry,
3ccee46a 1601 const struct path *new_dir,
0b3974eb
MS
1602 struct dentry *new_dentry,
1603 unsigned int flags)
be6d3e56
KT
1604{
1605 return 0;
1606}
89eda068 1607
be01f9f2 1608static inline int security_path_chmod(const struct path *path, umode_t mode)
89eda068
TH
1609{
1610 return 0;
1611}
1612
7fd25dac 1613static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
89eda068
TH
1614{
1615 return 0;
1616}
8b8efb44 1617
77b286c0 1618static inline int security_path_chroot(const struct path *path)
8b8efb44
TH
1619{
1620 return 0;
1621}
be6d3e56
KT
1622#endif /* CONFIG_SECURITY_PATH */
1623
29db9190
DH
1624#ifdef CONFIG_KEYS
1625#ifdef CONFIG_SECURITY
29db9190 1626
d84f4f99 1627int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
20510f2f
JM
1628void security_key_free(struct key *key);
1629int security_key_permission(key_ref_t key_ref,
f5895943 1630 const struct cred *cred, unsigned perm);
70a5bb72 1631int security_key_getsecurity(struct key *key, char **_buffer);
29db9190
DH
1632
1633#else
1634
d720024e 1635static inline int security_key_alloc(struct key *key,
d84f4f99 1636 const struct cred *cred,
7e047ef5 1637 unsigned long flags)
29db9190
DH
1638{
1639 return 0;
1640}
1641
1642static inline void security_key_free(struct key *key)
1643{
1644}
1645
1646static inline int security_key_permission(key_ref_t key_ref,
d84f4f99 1647 const struct cred *cred,
f5895943 1648 unsigned perm)
29db9190
DH
1649{
1650 return 0;
1651}
1652
70a5bb72
DH
1653static inline int security_key_getsecurity(struct key *key, char **_buffer)
1654{
1655 *_buffer = NULL;
1656 return 0;
be1d6a5f 1657}
ee18d64c 1658
29db9190
DH
1659#endif
1660#endif /* CONFIG_KEYS */
1661
03d37d25
AD
1662#ifdef CONFIG_AUDIT
1663#ifdef CONFIG_SECURITY
1664int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1665int security_audit_rule_known(struct audit_krule *krule);
1666int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1667 struct audit_context *actx);
1668void security_audit_rule_free(void *lsmrule);
1669
1670#else
1671
1672static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1673 void **lsmrule)
1674{
1675 return 0;
1676}
1677
1678static inline int security_audit_rule_known(struct audit_krule *krule)
1679{
1680 return 0;
1681}
1682
1683static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1684 void *lsmrule, struct audit_context *actx)
1685{
1686 return 0;
1687}
1688
1689static inline void security_audit_rule_free(void *lsmrule)
1690{ }
1691
1692#endif /* CONFIG_SECURITY */
1693#endif /* CONFIG_AUDIT */
1694
da31894e
EP
1695#ifdef CONFIG_SECURITYFS
1696
52ef0c04 1697extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
da31894e
EP
1698 struct dentry *parent, void *data,
1699 const struct file_operations *fops);
1700extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
6623ec7c
JJ
1701struct dentry *securityfs_create_symlink(const char *name,
1702 struct dentry *parent,
1703 const char *target,
1704 const struct inode_operations *iops);
da31894e
EP
1705extern void securityfs_remove(struct dentry *dentry);
1706
1707#else /* CONFIG_SECURITYFS */
1708
1709static inline struct dentry *securityfs_create_dir(const char *name,
1710 struct dentry *parent)
1711{
1712 return ERR_PTR(-ENODEV);
1713}
1714
1715static inline struct dentry *securityfs_create_file(const char *name,
52ef0c04 1716 umode_t mode,
da31894e
EP
1717 struct dentry *parent,
1718 void *data,
1719 const struct file_operations *fops)
1720{
1721 return ERR_PTR(-ENODEV);
1722}
1723
6623ec7c
JJ
1724static inline struct dentry *securityfs_create_symlink(const char *name,
1725 struct dentry *parent,
1726 const char *target,
1727 const struct inode_operations *iops)
1728{
1729 return ERR_PTR(-ENODEV);
1730}
1731
da31894e
EP
1732static inline void securityfs_remove(struct dentry *dentry)
1733{}
1734
1735#endif
1736
3d544f41
PE
1737#ifdef CONFIG_SECURITY
1738
1739static inline char *alloc_secdata(void)
1740{
1741 return (char *)get_zeroed_page(GFP_KERNEL);
1742}
1743
1744static inline void free_secdata(void *secdata)
1745{
1746 free_page((unsigned long)secdata);
1747}
1748
1749#else
1750
1751static inline char *alloc_secdata(void)
1752{
1753 return (char *)1;
1754}
1755
1756static inline void free_secdata(void *secdata)
1757{ }
1758#endif /* CONFIG_SECURITY */
1759
1da177e4
LT
1760#endif /* ! __LINUX_SECURITY_H */
1761