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LSM: add new hook for kernfs node initialization
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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;
ae7795bc 38struct kernel_siginfo;
40401530
AV
39struct sembuf;
40struct kern_ipc_perm;
41struct audit_context;
42struct super_block;
43struct inode;
44struct dentry;
45struct file;
46struct vfsmount;
47struct path;
48struct qstr;
40401530
AV
49struct iattr;
50struct fown_struct;
51struct file_operations;
40401530 52struct msg_msg;
40401530 53struct xattr;
b230d5ab 54struct kernfs_node;
40401530
AV
55struct xfrm_sec_ctx;
56struct mm_struct;
da2441fd
DH
57struct fs_context;
58struct fs_parameter;
59enum fs_value_type;
1da177e4 60
c1a85a00
MM
61/* Default (no) options for the capable function */
62#define CAP_OPT_NONE 0x0
06112163 63/* If capable should audit the security request */
c1a85a00
MM
64#define CAP_OPT_NOAUDIT BIT(1)
65/* If capable is being called by a setid function */
66#define CAP_OPT_INSETID BIT(2)
06112163 67
846e5662 68/* LSM Agnostic defines for fs_context::lsm_flags */
eb9ae686
DQ
69#define SECURITY_LSM_NATIVE_LABELS 1
70
1da177e4 71struct ctl_table;
03d37d25 72struct audit_krule;
3486740a 73struct user_namespace;
40401530 74struct timezone;
1da177e4 75
8f408ab6
DJ
76enum lsm_event {
77 LSM_POLICY_CHANGE,
78};
79
b1d9e6b0 80/* These functions are in security/commoncap.c */
6a9de491 81extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
c1a85a00 82 int cap, unsigned int opts);
457db29b 83extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
9e48858f 84extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
5cd9c58f 85extern int cap_ptrace_traceme(struct task_struct *parent);
7b41b173 86extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
d84f4f99
DH
87extern int cap_capset(struct cred *new, const struct cred *old,
88 const kernel_cap_t *effective,
89 const kernel_cap_t *inheritable,
90 const kernel_cap_t *permitted);
a6f76f23 91extern int cap_bprm_set_creds(struct linux_binprm *bprm);
8f0cfa52
DH
92extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
93 const void *value, size_t size, int flags);
94extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
b5376771
SH
95extern int cap_inode_need_killpriv(struct dentry *dentry);
96extern int cap_inode_killpriv(struct dentry *dentry);
8db6c34f
SH
97extern int cap_inode_getsecurity(struct inode *inode, const char *name,
98 void **buffer, bool alloc);
d007794a 99extern int cap_mmap_addr(unsigned long addr);
e5467859
AV
100extern int cap_mmap_file(struct file *file, unsigned long reqprot,
101 unsigned long prot, unsigned long flags);
d84f4f99 102extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
3898b1b4 103extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
d84f4f99 104 unsigned long arg4, unsigned long arg5);
b0ae1981 105extern int cap_task_setscheduler(struct task_struct *p);
7b41b173
EP
106extern int cap_task_setioprio(struct task_struct *p, int ioprio);
107extern int cap_task_setnice(struct task_struct *p, int nice);
20510f2f 108extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
1da177e4
LT
109
110struct msghdr;
111struct sk_buff;
112struct sock;
113struct sockaddr;
114struct socket;
df71837d
TJ
115struct flowi;
116struct dst_entry;
117struct xfrm_selector;
118struct xfrm_policy;
119struct xfrm_state;
120struct xfrm_user_sec_ctx;
2069f457 121struct seq_file;
72e89f50 122struct sctp_endpoint;
1da177e4 123
6e141546 124#ifdef CONFIG_MMU
ed032189 125extern unsigned long mmap_min_addr;
a2551df7 126extern unsigned long dac_mmap_min_addr;
6e141546 127#else
be8cfc4a 128#define mmap_min_addr 0UL
6e141546
DH
129#define dac_mmap_min_addr 0UL
130#endif
131
1da177e4
LT
132/*
133 * Values used in the task_security_ops calls
134 */
135/* setuid or setgid, id0 == uid or gid */
136#define LSM_SETID_ID 1
137
138/* setreuid or setregid, id0 == real, id1 == eff */
139#define LSM_SETID_RE 2
140
141/* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
142#define LSM_SETID_RES 4
143
144/* setfsuid or setfsgid, id0 == fsuid or fsgid */
145#define LSM_SETID_FS 8
146
791ec491
SS
147/* Flags for security_task_prlimit(). */
148#define LSM_PRLIMIT_READ 1
149#define LSM_PRLIMIT_WRITE 2
150
1da177e4 151/* forward declares to avoid warnings */
1da177e4 152struct sched_param;
4237c75c 153struct request_sock;
1da177e4 154
a6f76f23 155/* bprm->unsafe reasons */
1da177e4
LT
156#define LSM_UNSAFE_SHARE 1
157#define LSM_UNSAFE_PTRACE 2
9227dd2a 158#define LSM_UNSAFE_NO_NEW_PRIVS 4
1da177e4 159
6e141546 160#ifdef CONFIG_MMU
8d65af78 161extern int mmap_min_addr_handler(struct ctl_table *table, int write,
47d439e9 162 void __user *buffer, size_t *lenp, loff_t *ppos);
6e141546 163#endif
47d439e9 164
9d8f13ba
MZ
165/* security_inode_init_security callback function to write xattrs */
166typedef int (*initxattrs) (struct inode *inode,
167 const struct xattr *xattr_array, void *fs_data);
168
377179cd
MZ
169
170/* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */
171#define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
172#define __data_id_stringify(dummy, str) #str,
173
174enum kernel_load_data_id {
175 __kernel_read_file_id(__data_id_enumify)
176};
177
178static const char * const kernel_load_data_str[] = {
179 __kernel_read_file_id(__data_id_stringify)
180};
181
182static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
183{
184 if ((unsigned)id >= LOADING_MAX_ID)
185 return kernel_load_data_str[LOADING_UNKNOWN];
186
187 return kernel_load_data_str[id];
188}
189
1da177e4
LT
190#ifdef CONFIG_SECURITY
191
8f408ab6
DJ
192int call_lsm_notifier(enum lsm_event event, void *data);
193int register_lsm_notifier(struct notifier_block *nb);
194int unregister_lsm_notifier(struct notifier_block *nb);
195
1da177e4 196/* prototypes */
7b41b173 197extern int security_init(void);
1da177e4 198
20510f2f 199/* Security operations */
79af7307
SS
200int security_binder_set_context_mgr(struct task_struct *mgr);
201int security_binder_transaction(struct task_struct *from,
202 struct task_struct *to);
203int security_binder_transfer_binder(struct task_struct *from,
204 struct task_struct *to);
205int security_binder_transfer_file(struct task_struct *from,
206 struct task_struct *to, struct file *file);
9e48858f 207int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
5cd9c58f 208int security_ptrace_traceme(struct task_struct *parent);
20510f2f 209int security_capget(struct task_struct *target,
7b41b173
EP
210 kernel_cap_t *effective,
211 kernel_cap_t *inheritable,
212 kernel_cap_t *permitted);
d84f4f99
DH
213int security_capset(struct cred *new, const struct cred *old,
214 const kernel_cap_t *effective,
215 const kernel_cap_t *inheritable,
216 const kernel_cap_t *permitted);
c1a85a00
MM
217int security_capable(const struct cred *cred,
218 struct user_namespace *ns,
219 int cap,
220 unsigned int opts);
20510f2f
JM
221int security_quotactl(int cmds, int type, int id, struct super_block *sb);
222int security_quota_on(struct dentry *dentry);
12b3052c 223int security_syslog(int type);
457db29b 224int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
20510f2f 225int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
a6f76f23 226int security_bprm_set_creds(struct linux_binprm *bprm);
20510f2f 227int security_bprm_check(struct linux_binprm *bprm);
a6f76f23
DH
228void security_bprm_committing_creds(struct linux_binprm *bprm);
229void security_bprm_committed_creds(struct linux_binprm *bprm);
0b52075e 230int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
da2441fd 231int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
20510f2f
JM
232int security_sb_alloc(struct super_block *sb);
233void security_sb_free(struct super_block *sb);
204cc0cc
AV
234void security_free_mnt_opts(void **mnt_opts);
235int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
236int security_sb_remount(struct super_block *sb, void *mnt_opts);
a10d7c22 237int security_sb_kern_mount(struct super_block *sb);
2069f457 238int security_sb_show_options(struct seq_file *m, struct super_block *sb);
20510f2f 239int security_sb_statfs(struct dentry *dentry);
8a04c43b 240int security_sb_mount(const char *dev_name, const struct path *path,
808d4e3c 241 const char *type, unsigned long flags, void *data);
20510f2f 242int security_sb_umount(struct vfsmount *mnt, int flags);
3b73b68c 243int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
649f6e77 244int security_sb_set_mnt_opts(struct super_block *sb,
204cc0cc 245 void *mnt_opts,
649f6e77
DQ
246 unsigned long kern_flags,
247 unsigned long *set_kern_flags);
094f7b69 248int security_sb_clone_mnt_opts(const struct super_block *oldsb,
0b4d3452
SM
249 struct super_block *newsb,
250 unsigned long kern_flags,
251 unsigned long *set_kern_flags);
757cbe59
AV
252int security_add_mnt_opt(const char *option, const char *val,
253 int len, void **mnt_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);
b230d5ab
OM
303int security_kernfs_init_security(struct kernfs_node *kn_dir,
304 struct kernfs_node *kn);
20510f2f
JM
305int security_file_permission(struct file *file, int mask);
306int security_file_alloc(struct file *file);
307void security_file_free(struct file *file);
308int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
8b3ec681
AV
309int security_mmap_file(struct file *file, unsigned long prot,
310 unsigned long flags);
e5467859 311int security_mmap_addr(unsigned long addr);
20510f2f 312int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
7b41b173 313 unsigned long prot);
20510f2f
JM
314int security_file_lock(struct file *file, unsigned int cmd);
315int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
e0b93edd 316void security_file_set_fowner(struct file *file);
20510f2f 317int security_file_send_sigiotask(struct task_struct *tsk,
7b41b173 318 struct fown_struct *fown, int sig);
20510f2f 319int security_file_receive(struct file *file);
e3f20ae2 320int security_file_open(struct file *file);
e4e55b47 321int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
1a2a4d06 322void security_task_free(struct task_struct *task);
ee18d64c 323int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
f1752eec 324void security_cred_free(struct cred *cred);
d84f4f99 325int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
ee18d64c 326void security_transfer_creds(struct cred *new, const struct cred *old);
3ec30113 327void security_cred_getsecid(const struct cred *c, u32 *secid);
3a3b7ce9
DH
328int security_kernel_act_as(struct cred *new, u32 secid);
329int security_kernel_create_files_as(struct cred *new, struct inode *inode);
dd8dbf2e 330int security_kernel_module_request(char *kmod_name);
377179cd 331int security_kernel_load_data(enum kernel_load_data_id id);
39eeb4fb 332int security_kernel_read_file(struct file *file, enum kernel_read_file_id id);
bc8ca5b9
MZ
333int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
334 enum kernel_read_file_id id);
d84f4f99
DH
335int security_task_fix_setuid(struct cred *new, const struct cred *old,
336 int flags);
20510f2f
JM
337int security_task_setpgid(struct task_struct *p, pid_t pgid);
338int security_task_getpgid(struct task_struct *p);
339int security_task_getsid(struct task_struct *p);
340void security_task_getsecid(struct task_struct *p, u32 *secid);
20510f2f
JM
341int security_task_setnice(struct task_struct *p, int nice);
342int security_task_setioprio(struct task_struct *p, int ioprio);
343int security_task_getioprio(struct task_struct *p);
791ec491
SS
344int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
345 unsigned int flags);
8fd00b4d
JS
346int security_task_setrlimit(struct task_struct *p, unsigned int resource,
347 struct rlimit *new_rlim);
b0ae1981 348int security_task_setscheduler(struct task_struct *p);
20510f2f
JM
349int security_task_getscheduler(struct task_struct *p);
350int security_task_movememory(struct task_struct *p);
ae7795bc 351int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
6b4f3d01 352 int sig, const struct cred *cred);
20510f2f 353int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
d84f4f99 354 unsigned long arg4, unsigned long arg5);
20510f2f
JM
355void security_task_to_inode(struct task_struct *p, struct inode *inode);
356int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
8a076191 357void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
20510f2f
JM
358int security_msg_msg_alloc(struct msg_msg *msg);
359void security_msg_msg_free(struct msg_msg *msg);
d8c6e854
EB
360int security_msg_queue_alloc(struct kern_ipc_perm *msq);
361void security_msg_queue_free(struct kern_ipc_perm *msq);
362int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
363int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
364int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
7b41b173 365 struct msg_msg *msg, int msqflg);
d8c6e854 366int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
7b41b173 367 struct task_struct *target, long type, int mode);
7191adff
EB
368int security_shm_alloc(struct kern_ipc_perm *shp);
369void security_shm_free(struct kern_ipc_perm *shp);
370int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
371int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
372int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
aefad959
EB
373int security_sem_alloc(struct kern_ipc_perm *sma);
374void security_sem_free(struct kern_ipc_perm *sma);
375int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
376int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
377int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
20510f2f 378 unsigned nsops, int alter);
7b41b173 379void security_d_instantiate(struct dentry *dentry, struct inode *inode);
6d9c939d
CS
380int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
381 char **value);
382int security_setprocattr(const char *lsm, const char *name, void *value,
383 size_t size);
20510f2f 384int security_netlink_send(struct sock *sk, struct sk_buff *skb);
746df9b5 385int security_ismaclabel(const char *name);
20510f2f 386int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
7bf570dc 387int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
20510f2f
JM
388void security_release_secctx(char *secdata, u32 seclen);
389
6f3be9f5 390void security_inode_invalidate_secctx(struct inode *inode);
1ee65e37
DQ
391int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
392int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
393int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
1da177e4 394#else /* CONFIG_SECURITY */
e0007529 395
8f408ab6
DJ
396static inline int call_lsm_notifier(enum lsm_event event, void *data)
397{
398 return 0;
399}
400
401static inline int register_lsm_notifier(struct notifier_block *nb)
402{
403 return 0;
404}
405
406static inline int unregister_lsm_notifier(struct notifier_block *nb)
407{
408 return 0;
409}
410
204cc0cc 411static inline void security_free_mnt_opts(void **mnt_opts)
e0007529
EP
412{
413}
1da177e4
LT
414
415/*
416 * This is the default capabilities functionality. Most of these functions
417 * are just stubbed out, but a few must call the proper capable code.
418 */
419
420static inline int security_init(void)
421{
422 return 0;
423}
424
79af7307
SS
425static inline int security_binder_set_context_mgr(struct task_struct *mgr)
426{
427 return 0;
428}
429
430static inline int security_binder_transaction(struct task_struct *from,
431 struct task_struct *to)
432{
433 return 0;
434}
435
436static inline int security_binder_transfer_binder(struct task_struct *from,
437 struct task_struct *to)
438{
439 return 0;
440}
441
442static inline int security_binder_transfer_file(struct task_struct *from,
443 struct task_struct *to,
444 struct file *file)
445{
446 return 0;
447}
448
9e48858f 449static inline int security_ptrace_access_check(struct task_struct *child,
5cd9c58f
DH
450 unsigned int mode)
451{
9e48858f 452 return cap_ptrace_access_check(child, mode);
5cd9c58f
DH
453}
454
5e186b57 455static inline int security_ptrace_traceme(struct task_struct *parent)
1da177e4 456{
5cd9c58f 457 return cap_ptrace_traceme(parent);
1da177e4
LT
458}
459
7b41b173 460static inline int security_capget(struct task_struct *target,
1da177e4
LT
461 kernel_cap_t *effective,
462 kernel_cap_t *inheritable,
463 kernel_cap_t *permitted)
464{
7b41b173 465 return cap_capget(target, effective, inheritable, permitted);
1da177e4
LT
466}
467
d84f4f99
DH
468static inline int security_capset(struct cred *new,
469 const struct cred *old,
470 const kernel_cap_t *effective,
471 const kernel_cap_t *inheritable,
472 const kernel_cap_t *permitted)
1da177e4 473{
d84f4f99 474 return cap_capset(new, old, effective, inheritable, permitted);
1da177e4
LT
475}
476
b7e724d3 477static inline int security_capable(const struct cred *cred,
c1a85a00
MM
478 struct user_namespace *ns,
479 int cap,
480 unsigned int opts)
06112163 481{
c1a85a00 482 return cap_capable(cred, ns, cap, opts);
12b5989b
CW
483}
484
7b41b173
EP
485static inline int security_quotactl(int cmds, int type, int id,
486 struct super_block *sb)
1da177e4
LT
487{
488 return 0;
489}
490
7b41b173 491static inline int security_quota_on(struct dentry *dentry)
1da177e4
LT
492{
493 return 0;
494}
495
12b3052c 496static inline int security_syslog(int type)
1da177e4 497{
12b3052c 498 return 0;
1da177e4
LT
499}
500
457db29b
BW
501static inline int security_settime64(const struct timespec64 *ts,
502 const struct timezone *tz)
503{
504 return cap_settime(ts, tz);
505}
506
1b79cd04 507static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
731572d3 508{
b1d9e6b0 509 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
731572d3
AC
510}
511
a6f76f23 512static inline int security_bprm_set_creds(struct linux_binprm *bprm)
7b41b173 513{
a6f76f23 514 return cap_bprm_set_creds(bprm);
1da177e4
LT
515}
516
a6f76f23 517static inline int security_bprm_check(struct linux_binprm *bprm)
1da177e4 518{
a6f76f23 519 return 0;
1da177e4
LT
520}
521
a6f76f23 522static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
1da177e4 523{
1da177e4
LT
524}
525
a6f76f23 526static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
1da177e4 527{
1da177e4
LT
528}
529
0b52075e
AV
530static inline int security_fs_context_dup(struct fs_context *fc,
531 struct fs_context *src_fc)
532{
533 return 0;
534}
da2441fd
DH
535static inline int security_fs_context_parse_param(struct fs_context *fc,
536 struct fs_parameter *param)
537{
538 return -ENOPARAM;
539}
540
7b41b173 541static inline int security_sb_alloc(struct super_block *sb)
1da177e4
LT
542{
543 return 0;
544}
545
7b41b173 546static inline void security_sb_free(struct super_block *sb)
1da177e4
LT
547{ }
548
f5c0c26d 549static inline int security_sb_eat_lsm_opts(char *options,
204cc0cc 550 void **mnt_opts)
1da177e4
LT
551{
552 return 0;
553}
554
c039bc3c 555static inline int security_sb_remount(struct super_block *sb,
204cc0cc 556 void *mnt_opts)
ff36fe2c
EP
557{
558 return 0;
559}
560
a10d7c22 561static inline int security_sb_kern_mount(struct super_block *sb)
1da177e4
LT
562{
563 return 0;
564}
565
2069f457
EP
566static inline int security_sb_show_options(struct seq_file *m,
567 struct super_block *sb)
568{
569 return 0;
570}
571
7b41b173 572static inline int security_sb_statfs(struct dentry *dentry)
1da177e4
LT
573{
574 return 0;
575}
576
8a04c43b 577static inline int security_sb_mount(const char *dev_name, const struct path *path,
808d4e3c 578 const char *type, unsigned long flags,
1da177e4
LT
579 void *data)
580{
581 return 0;
582}
583
7b41b173 584static inline int security_sb_umount(struct vfsmount *mnt, int flags)
1da177e4
LT
585{
586 return 0;
587}
588
3b73b68c
AV
589static inline int security_sb_pivotroot(const struct path *old_path,
590 const struct path *new_path)
1da177e4
LT
591{
592 return 0;
593}
594
e0007529 595static inline int security_sb_set_mnt_opts(struct super_block *sb,
204cc0cc 596 void *mnt_opts,
649f6e77
DQ
597 unsigned long kern_flags,
598 unsigned long *set_kern_flags)
e0007529
EP
599{
600 return 0;
601}
602
094f7b69 603static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
0b4d3452
SM
604 struct super_block *newsb,
605 unsigned long kern_flags,
606 unsigned long *set_kern_flags)
094f7b69
JL
607{
608 return 0;
609}
e0007529 610
757cbe59
AV
611static inline int security_add_mnt_opt(const char *option, const char *val,
612 int len, void **mnt_opts)
e0007529
EP
613{
614 return 0;
615}
1da177e4 616
7b41b173 617static inline int security_inode_alloc(struct inode *inode)
1da177e4
LT
618{
619 return 0;
620}
621
7b41b173 622static inline void security_inode_free(struct inode *inode)
1da177e4 623{ }
5e41ff9e 624
d47be3df
DQ
625static inline int security_dentry_init_security(struct dentry *dentry,
626 int mode,
4f3ccd76 627 const struct qstr *name,
d47be3df
DQ
628 void **ctx,
629 u32 *ctxlen)
630{
631 return -EOPNOTSUPP;
632}
633
2602625b
VG
634static inline int security_dentry_create_files_as(struct dentry *dentry,
635 int mode, struct qstr *name,
636 const struct cred *old,
637 struct cred *new)
638{
639 return 0;
640}
641
d47be3df 642
7b41b173 643static inline int security_inode_init_security(struct inode *inode,
5e41ff9e 644 struct inode *dir,
2a7dba39 645 const struct qstr *qstr,
fbff6610 646 const initxattrs xattrs,
9d8f13ba 647 void *fs_data)
5e41ff9e 648{
1e39f384 649 return 0;
5e41ff9e 650}
7b41b173 651
1e39f384
MZ
652static inline int security_old_inode_init_security(struct inode *inode,
653 struct inode *dir,
654 const struct qstr *qstr,
9548906b
TH
655 const char **name,
656 void **value, size_t *len)
e1c9b23a 657{
30e05324 658 return -EOPNOTSUPP;
e1c9b23a
MZ
659}
660
7b41b173 661static inline int security_inode_create(struct inode *dir,
1da177e4 662 struct dentry *dentry,
4acdaf27 663 umode_t mode)
1da177e4
LT
664{
665 return 0;
666}
667
7b41b173 668static inline int security_inode_link(struct dentry *old_dentry,
1da177e4
LT
669 struct inode *dir,
670 struct dentry *new_dentry)
671{
672 return 0;
673}
674
7b41b173 675static inline int security_inode_unlink(struct inode *dir,
1da177e4
LT
676 struct dentry *dentry)
677{
678 return 0;
679}
680
7b41b173 681static inline int security_inode_symlink(struct inode *dir,
1da177e4
LT
682 struct dentry *dentry,
683 const char *old_name)
684{
685 return 0;
686}
687
7b41b173 688static inline int security_inode_mkdir(struct inode *dir,
1da177e4
LT
689 struct dentry *dentry,
690 int mode)
691{
692 return 0;
693}
694
7b41b173 695static inline int security_inode_rmdir(struct inode *dir,
1da177e4
LT
696 struct dentry *dentry)
697{
698 return 0;
699}
700
7b41b173 701static inline int security_inode_mknod(struct inode *dir,
1da177e4
LT
702 struct dentry *dentry,
703 int mode, dev_t dev)
704{
705 return 0;
706}
707
7b41b173 708static inline int security_inode_rename(struct inode *old_dir,
1da177e4
LT
709 struct dentry *old_dentry,
710 struct inode *new_dir,
0b3974eb
MS
711 struct dentry *new_dentry,
712 unsigned int flags)
1da177e4
LT
713{
714 return 0;
715}
716
7b41b173 717static inline int security_inode_readlink(struct dentry *dentry)
1da177e4
LT
718{
719 return 0;
720}
721
bda0be7a
N
722static inline int security_inode_follow_link(struct dentry *dentry,
723 struct inode *inode,
724 bool rcu)
1da177e4
LT
725{
726 return 0;
727}
728
b77b0646 729static inline int security_inode_permission(struct inode *inode, int mask)
1da177e4
LT
730{
731 return 0;
732}
733
7b41b173 734static inline int security_inode_setattr(struct dentry *dentry,
1da177e4
LT
735 struct iattr *attr)
736{
737 return 0;
738}
739
3f7036a0 740static inline int security_inode_getattr(const struct path *path)
1da177e4
LT
741{
742 return 0;
743}
744
8f0cfa52
DH
745static inline int security_inode_setxattr(struct dentry *dentry,
746 const char *name, const void *value, size_t size, int flags)
1da177e4
LT
747{
748 return cap_inode_setxattr(dentry, name, value, size, flags);
749}
750
8f0cfa52
DH
751static inline void security_inode_post_setxattr(struct dentry *dentry,
752 const char *name, const void *value, size_t size, int flags)
1da177e4
LT
753{ }
754
8f0cfa52
DH
755static inline int security_inode_getxattr(struct dentry *dentry,
756 const char *name)
1da177e4
LT
757{
758 return 0;
759}
760
7b41b173 761static inline int security_inode_listxattr(struct dentry *dentry)
1da177e4
LT
762{
763 return 0;
764}
765
8f0cfa52
DH
766static inline int security_inode_removexattr(struct dentry *dentry,
767 const char *name)
1da177e4
LT
768{
769 return cap_inode_removexattr(dentry, name);
770}
771
b5376771
SH
772static inline int security_inode_need_killpriv(struct dentry *dentry)
773{
774 return cap_inode_need_killpriv(dentry);
775}
776
777static inline int security_inode_killpriv(struct dentry *dentry)
778{
779 return cap_inode_killpriv(dentry);
780}
781
ea861dfd 782static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
1da177e4
LT
783{
784 return -EOPNOTSUPP;
785}
786
787static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
788{
789 return -EOPNOTSUPP;
790}
791
792static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
793{
794 return 0;
795}
796
d6335d77 797static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
8a076191
AD
798{
799 *secid = 0;
800}
801
d8ad8b49
VG
802static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
803{
804 return 0;
805}
806
b230d5ab
OM
807static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
808 struct kernfs_node *kn)
809{
810 return 0;
811}
812
121ab822
VG
813static inline int security_inode_copy_up_xattr(const char *name)
814{
815 return -EOPNOTSUPP;
816}
817
7b41b173 818static inline int security_file_permission(struct file *file, int mask)
1da177e4
LT
819{
820 return 0;
821}
822
7b41b173 823static inline int security_file_alloc(struct file *file)
1da177e4
LT
824{
825 return 0;
826}
827
7b41b173 828static inline void security_file_free(struct file *file)
1da177e4
LT
829{ }
830
7b41b173
EP
831static inline int security_file_ioctl(struct file *file, unsigned int cmd,
832 unsigned long arg)
1da177e4
LT
833{
834 return 0;
835}
836
8b3ec681 837static inline int security_mmap_file(struct file *file, unsigned long prot,
e5467859
AV
838 unsigned long flags)
839{
840 return 0;
841}
842
843static inline int security_mmap_addr(unsigned long addr)
1da177e4 844{
d007794a 845 return cap_mmap_addr(addr);
1da177e4
LT
846}
847
7b41b173
EP
848static inline int security_file_mprotect(struct vm_area_struct *vma,
849 unsigned long reqprot,
850 unsigned long prot)
1da177e4
LT
851{
852 return 0;
853}
854
7b41b173 855static inline int security_file_lock(struct file *file, unsigned int cmd)
1da177e4
LT
856{
857 return 0;
858}
859
7b41b173
EP
860static inline int security_file_fcntl(struct file *file, unsigned int cmd,
861 unsigned long arg)
1da177e4
LT
862{
863 return 0;
864}
865
e0b93edd 866static inline void security_file_set_fowner(struct file *file)
1da177e4 867{
e0b93edd 868 return;
1da177e4
LT
869}
870
7b41b173
EP
871static inline int security_file_send_sigiotask(struct task_struct *tsk,
872 struct fown_struct *fown,
873 int sig)
1da177e4
LT
874{
875 return 0;
876}
877
7b41b173 878static inline int security_file_receive(struct file *file)
1da177e4
LT
879{
880 return 0;
881}
882
e3f20ae2 883static inline int security_file_open(struct file *file)
788e7dd4
YN
884{
885 return 0;
886}
887
e4e55b47
TH
888static inline int security_task_alloc(struct task_struct *task,
889 unsigned long clone_flags)
890{
891 return 0;
892}
893
1a2a4d06
KC
894static inline void security_task_free(struct task_struct *task)
895{ }
896
945af7c3
DH
897static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
898{
899 return 0;
900}
ee18d64c 901
d84f4f99
DH
902static inline void security_cred_free(struct cred *cred)
903{ }
904
905static inline int security_prepare_creds(struct cred *new,
906 const struct cred *old,
907 gfp_t gfp)
1da177e4
LT
908{
909 return 0;
910}
911
ee18d64c
DH
912static inline void security_transfer_creds(struct cred *new,
913 const struct cred *old)
914{
915}
916
3a3b7ce9
DH
917static inline int security_kernel_act_as(struct cred *cred, u32 secid)
918{
919 return 0;
920}
921
922static inline int security_kernel_create_files_as(struct cred *cred,
923 struct inode *inode)
924{
925 return 0;
926}
927
dd8dbf2e 928static inline int security_kernel_module_request(char *kmod_name)
9188499c
EP
929{
930 return 0;
1da177e4
LT
931}
932
377179cd
MZ
933static inline int security_kernel_load_data(enum kernel_load_data_id id)
934{
935 return 0;
936}
937
39eeb4fb
MZ
938static inline int security_kernel_read_file(struct file *file,
939 enum kernel_read_file_id id)
940{
941 return 0;
942}
943
b44a7dfc 944static inline int security_kernel_post_read_file(struct file *file,
bc8ca5b9
MZ
945 char *buf, loff_t size,
946 enum kernel_read_file_id id)
b44a7dfc
MZ
947{
948 return 0;
949}
950
d84f4f99
DH
951static inline int security_task_fix_setuid(struct cred *new,
952 const struct cred *old,
953 int flags)
1da177e4 954{
d84f4f99 955 return cap_task_fix_setuid(new, old, flags);
1da177e4
LT
956}
957
7b41b173 958static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1da177e4
LT
959{
960 return 0;
961}
962
7b41b173 963static inline int security_task_getpgid(struct task_struct *p)
1da177e4
LT
964{
965 return 0;
966}
967
7b41b173 968static inline int security_task_getsid(struct task_struct *p)
1da177e4
LT
969{
970 return 0;
971}
972
7b41b173 973static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
8a076191
AD
974{
975 *secid = 0;
976}
f9008e4c 977
7b41b173 978static inline int security_task_setnice(struct task_struct *p, int nice)
1da177e4 979{
b5376771 980 return cap_task_setnice(p, nice);
1da177e4
LT
981}
982
7b41b173 983static inline int security_task_setioprio(struct task_struct *p, int ioprio)
03e68060 984{
b5376771 985 return cap_task_setioprio(p, ioprio);
03e68060
JM
986}
987
7b41b173 988static inline int security_task_getioprio(struct task_struct *p)
a1836a42
DQ
989{
990 return 0;
991}
992
791ec491
SS
993static inline int security_task_prlimit(const struct cred *cred,
994 const struct cred *tcred,
995 unsigned int flags)
996{
997 return 0;
998}
999
8fd00b4d
JS
1000static inline int security_task_setrlimit(struct task_struct *p,
1001 unsigned int resource,
7b41b173 1002 struct rlimit *new_rlim)
1da177e4
LT
1003{
1004 return 0;
1005}
1006
b0ae1981 1007static inline int security_task_setscheduler(struct task_struct *p)
1da177e4 1008{
b0ae1981 1009 return cap_task_setscheduler(p);
1da177e4
LT
1010}
1011
7b41b173 1012static inline int security_task_getscheduler(struct task_struct *p)
1da177e4
LT
1013{
1014 return 0;
1015}
1016
7b41b173 1017static inline int security_task_movememory(struct task_struct *p)
35601547
DQ
1018{
1019 return 0;
1020}
1021
7b41b173 1022static inline int security_task_kill(struct task_struct *p,
ae7795bc 1023 struct kernel_siginfo *info, int sig,
6b4f3d01 1024 const struct cred *cred)
1da177e4 1025{
aedb60a6 1026 return 0;
1da177e4
LT
1027}
1028
7b41b173
EP
1029static inline int security_task_prctl(int option, unsigned long arg2,
1030 unsigned long arg3,
1031 unsigned long arg4,
d84f4f99 1032 unsigned long arg5)
1da177e4 1033{
b7f76ea2 1034 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1da177e4
LT
1035}
1036
1037static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1038{ }
1039
7b41b173
EP
1040static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1041 short flag)
1da177e4
LT
1042{
1043 return 0;
1044}
1045
8a076191
AD
1046static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1047{
1048 *secid = 0;
1049}
1050
7b41b173 1051static inline int security_msg_msg_alloc(struct msg_msg *msg)
1da177e4
LT
1052{
1053 return 0;
1054}
1055
7b41b173 1056static inline void security_msg_msg_free(struct msg_msg *msg)
1da177e4
LT
1057{ }
1058
d8c6e854 1059static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1da177e4
LT
1060{
1061 return 0;
1062}
1063
d8c6e854 1064static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1da177e4
LT
1065{ }
1066
d8c6e854 1067static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
7b41b173 1068 int msqflg)
1da177e4
LT
1069{
1070 return 0;
1071}
1072
d8c6e854 1073static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1da177e4
LT
1074{
1075 return 0;
1076}
1077
d8c6e854 1078static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
7b41b173 1079 struct msg_msg *msg, int msqflg)
1da177e4
LT
1080{
1081 return 0;
1082}
1083
d8c6e854 1084static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
7b41b173
EP
1085 struct msg_msg *msg,
1086 struct task_struct *target,
1087 long type, int mode)
1da177e4
LT
1088{
1089 return 0;
1090}
1091
7191adff 1092static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1da177e4
LT
1093{
1094 return 0;
1095}
1096
7191adff 1097static inline void security_shm_free(struct kern_ipc_perm *shp)
1da177e4
LT
1098{ }
1099
7191adff 1100static inline int security_shm_associate(struct kern_ipc_perm *shp,
7b41b173 1101 int shmflg)
1da177e4
LT
1102{
1103 return 0;
1104}
1105
7191adff 1106static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1da177e4
LT
1107{
1108 return 0;
1109}
1110
7191adff 1111static inline int security_shm_shmat(struct kern_ipc_perm *shp,
7b41b173 1112 char __user *shmaddr, int shmflg)
1da177e4
LT
1113{
1114 return 0;
1115}
1116
aefad959 1117static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1da177e4
LT
1118{
1119 return 0;
1120}
1121
aefad959 1122static inline void security_sem_free(struct kern_ipc_perm *sma)
1da177e4
LT
1123{ }
1124
aefad959 1125static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1da177e4
LT
1126{
1127 return 0;
1128}
1129
aefad959 1130static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1da177e4
LT
1131{
1132 return 0;
1133}
1134
aefad959 1135static inline int security_sem_semop(struct kern_ipc_perm *sma,
7b41b173
EP
1136 struct sembuf *sops, unsigned nsops,
1137 int alter)
1da177e4
LT
1138{
1139 return 0;
1140}
1141
6d9c939d
CS
1142static inline void security_d_instantiate(struct dentry *dentry,
1143 struct inode *inode)
1da177e4
LT
1144{ }
1145
6d9c939d
CS
1146static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1147 char *name, char **value)
1da177e4
LT
1148{
1149 return -EINVAL;
1150}
1151
6d9c939d
CS
1152static inline int security_setprocattr(const char *lsm, char *name,
1153 void *value, size_t size)
1da177e4
LT
1154{
1155 return -EINVAL;
1156}
1157
7b41b173 1158static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1da177e4 1159{
b1d9e6b0 1160 return 0;
1da177e4
LT
1161}
1162
746df9b5
DQ
1163static inline int security_ismaclabel(const char *name)
1164{
1165 return 0;
1166}
1167
dc49c1f9
CZ
1168static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1169{
1170 return -EOPNOTSUPP;
1171}
1172
7bf570dc 1173static inline int security_secctx_to_secid(const char *secdata,
63cb3449
DH
1174 u32 seclen,
1175 u32 *secid)
1176{
1177 return -EOPNOTSUPP;
1178}
1179
dc49c1f9
CZ
1180static inline void security_release_secctx(char *secdata, u32 seclen)
1181{
dc49c1f9 1182}
1ee65e37 1183
6f3be9f5
AG
1184static inline void security_inode_invalidate_secctx(struct inode *inode)
1185{
1186}
1187
1ee65e37
DQ
1188static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1189{
1190 return -EOPNOTSUPP;
1191}
1192static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1193{
1194 return -EOPNOTSUPP;
1195}
1196static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1197{
1198 return -EOPNOTSUPP;
1199}
1da177e4
LT
1200#endif /* CONFIG_SECURITY */
1201
1202#ifdef CONFIG_SECURITY_NETWORK
4237c75c 1203
3610cda5 1204int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
20510f2f
JM
1205int security_unix_may_send(struct socket *sock, struct socket *other);
1206int security_socket_create(int family, int type, int protocol, int kern);
1207int security_socket_post_create(struct socket *sock, int family,
1208 int type, int protocol, int kern);
aae7cfcb 1209int security_socket_socketpair(struct socket *socka, struct socket *sockb);
20510f2f
JM
1210int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1211int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1212int security_socket_listen(struct socket *sock, int backlog);
1213int security_socket_accept(struct socket *sock, struct socket *newsock);
20510f2f
JM
1214int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1215int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1216 int size, int flags);
1217int security_socket_getsockname(struct socket *sock);
1218int security_socket_getpeername(struct socket *sock);
1219int security_socket_getsockopt(struct socket *sock, int level, int optname);
1220int security_socket_setsockopt(struct socket *sock, int level, int optname);
1221int security_socket_shutdown(struct socket *sock, int how);
1222int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1223int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1224 int __user *optlen, unsigned len);
1225int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1226int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1227void security_sk_free(struct sock *sk);
1228void security_sk_clone(const struct sock *sk, struct sock *newsk);
1229void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
1230void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
1231void security_sock_graft(struct sock*sk, struct socket *parent);
1232int security_inet_conn_request(struct sock *sk,
1233 struct sk_buff *skb, struct request_sock *req);
1234void security_inet_csk_clone(struct sock *newsk,
1235 const struct request_sock *req);
1236void security_inet_conn_established(struct sock *sk,
1237 struct sk_buff *skb);
2606fd1f
EP
1238int security_secmark_relabel_packet(u32 secid);
1239void security_secmark_refcount_inc(void);
1240void security_secmark_refcount_dec(void);
5dbbaf2d
PM
1241int security_tun_dev_alloc_security(void **security);
1242void security_tun_dev_free_security(void *security);
2b980dbd 1243int security_tun_dev_create(void);
5dbbaf2d
PM
1244int security_tun_dev_attach_queue(void *security);
1245int security_tun_dev_attach(struct sock *sk, void *security);
1246int security_tun_dev_open(void *security);
72e89f50
RH
1247int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb);
1248int security_sctp_bind_connect(struct sock *sk, int optname,
1249 struct sockaddr *address, int addrlen);
1250void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk,
1251 struct sock *newsk);
6b877699 1252
1da177e4 1253#else /* CONFIG_SECURITY_NETWORK */
3610cda5
DM
1254static inline int security_unix_stream_connect(struct sock *sock,
1255 struct sock *other,
7b41b173 1256 struct sock *newsk)
1da177e4
LT
1257{
1258 return 0;
1259}
1260
7b41b173
EP
1261static inline int security_unix_may_send(struct socket *sock,
1262 struct socket *other)
1da177e4
LT
1263{
1264 return 0;
1265}
1266
7b41b173
EP
1267static inline int security_socket_create(int family, int type,
1268 int protocol, int kern)
1da177e4
LT
1269{
1270 return 0;
1271}
1272
7b41b173 1273static inline int security_socket_post_create(struct socket *sock,
7420ed23
VY
1274 int family,
1275 int type,
1276 int protocol, int kern)
1da177e4 1277{
7420ed23 1278 return 0;
1da177e4
LT
1279}
1280
aae7cfcb
DH
1281static inline int security_socket_socketpair(struct socket *socka,
1282 struct socket *sockb)
1283{
1284 return 0;
1285}
1286
7b41b173
EP
1287static inline int security_socket_bind(struct socket *sock,
1288 struct sockaddr *address,
1da177e4
LT
1289 int addrlen)
1290{
1291 return 0;
1292}
1293
7b41b173
EP
1294static inline int security_socket_connect(struct socket *sock,
1295 struct sockaddr *address,
1da177e4
LT
1296 int addrlen)
1297{
1298 return 0;
1299}
1300
7b41b173 1301static inline int security_socket_listen(struct socket *sock, int backlog)
1da177e4
LT
1302{
1303 return 0;
1304}
1305
7b41b173
EP
1306static inline int security_socket_accept(struct socket *sock,
1307 struct socket *newsock)
1da177e4
LT
1308{
1309 return 0;
1310}
1311
7b41b173
EP
1312static inline int security_socket_sendmsg(struct socket *sock,
1313 struct msghdr *msg, int size)
1da177e4
LT
1314{
1315 return 0;
1316}
1317
7b41b173
EP
1318static inline int security_socket_recvmsg(struct socket *sock,
1319 struct msghdr *msg, int size,
1da177e4
LT
1320 int flags)
1321{
1322 return 0;
1323}
1324
7b41b173 1325static inline int security_socket_getsockname(struct socket *sock)
1da177e4
LT
1326{
1327 return 0;
1328}
1329
7b41b173 1330static inline int security_socket_getpeername(struct socket *sock)
1da177e4
LT
1331{
1332 return 0;
1333}
1334
7b41b173 1335static inline int security_socket_getsockopt(struct socket *sock,
1da177e4
LT
1336 int level, int optname)
1337{
1338 return 0;
1339}
1340
7b41b173 1341static inline int security_socket_setsockopt(struct socket *sock,
1da177e4
LT
1342 int level, int optname)
1343{
1344 return 0;
1345}
1346
7b41b173 1347static inline int security_socket_shutdown(struct socket *sock, int how)
1da177e4
LT
1348{
1349 return 0;
1350}
7b41b173
EP
1351static inline int security_sock_rcv_skb(struct sock *sk,
1352 struct sk_buff *skb)
1da177e4
LT
1353{
1354 return 0;
1355}
1356
2c7946a7
CZ
1357static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1358 int __user *optlen, unsigned len)
1359{
1360 return -ENOPROTOOPT;
1361}
1362
dc49c1f9 1363static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1da177e4
LT
1364{
1365 return -ENOPROTOOPT;
1366}
1367
dd0fc66f 1368static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1da177e4
LT
1369{
1370 return 0;
1371}
1372
1373static inline void security_sk_free(struct sock *sk)
892c141e
VY
1374{
1375}
1376
1377static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1da177e4
LT
1378{
1379}
df71837d 1380
beb8d13b 1381static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
df71837d 1382{
df71837d 1383}
4237c75c
VY
1384
1385static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1386{
1387}
1388
7b41b173 1389static inline void security_sock_graft(struct sock *sk, struct socket *parent)
4237c75c
VY
1390{
1391}
1392
1393static inline int security_inet_conn_request(struct sock *sk,
1394 struct sk_buff *skb, struct request_sock *req)
1395{
1396 return 0;
1397}
1398
1399static inline void security_inet_csk_clone(struct sock *newsk,
1400 const struct request_sock *req)
1401{
1402}
6b877699
VY
1403
1404static inline void security_inet_conn_established(struct sock *sk,
1405 struct sk_buff *skb)
1406{
1407}
2b980dbd 1408
2606fd1f
EP
1409static inline int security_secmark_relabel_packet(u32 secid)
1410{
1411 return 0;
1412}
1413
1414static inline void security_secmark_refcount_inc(void)
1415{
1416}
1417
1418static inline void security_secmark_refcount_dec(void)
1419{
1420}
1421
5dbbaf2d
PM
1422static inline int security_tun_dev_alloc_security(void **security)
1423{
1424 return 0;
1425}
1426
1427static inline void security_tun_dev_free_security(void *security)
1428{
1429}
1430
2b980dbd
PM
1431static inline int security_tun_dev_create(void)
1432{
1433 return 0;
1434}
1435
5dbbaf2d
PM
1436static inline int security_tun_dev_attach_queue(void *security)
1437{
1438 return 0;
1439}
1440
1441static inline int security_tun_dev_attach(struct sock *sk, void *security)
2b980dbd 1442{
5dbbaf2d 1443 return 0;
2b980dbd
PM
1444}
1445
5dbbaf2d 1446static inline int security_tun_dev_open(void *security)
2b980dbd
PM
1447{
1448 return 0;
1449}
72e89f50
RH
1450
1451static inline int security_sctp_assoc_request(struct sctp_endpoint *ep,
1452 struct sk_buff *skb)
1453{
1454 return 0;
1455}
1456
1457static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1458 struct sockaddr *address,
1459 int addrlen)
1460{
1461 return 0;
1462}
1463
1464static inline void security_sctp_sk_clone(struct sctp_endpoint *ep,
1465 struct sock *sk,
1466 struct sock *newsk)
1467{
1468}
1da177e4
LT
1469#endif /* CONFIG_SECURITY_NETWORK */
1470
d291f1a6
DJ
1471#ifdef CONFIG_SECURITY_INFINIBAND
1472int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
47a2b338 1473int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
d291f1a6
DJ
1474int security_ib_alloc_security(void **sec);
1475void security_ib_free_security(void *sec);
1476#else /* CONFIG_SECURITY_INFINIBAND */
1477static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1478{
1479 return 0;
1480}
1481
47a2b338
DJ
1482static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1483{
1484 return 0;
1485}
1486
d291f1a6
DJ
1487static inline int security_ib_alloc_security(void **sec)
1488{
1489 return 0;
1490}
1491
1492static inline void security_ib_free_security(void *sec)
1493{
1494}
1495#endif /* CONFIG_SECURITY_INFINIBAND */
1496
df71837d 1497#ifdef CONFIG_SECURITY_NETWORK_XFRM
beb8d13b 1498
52a4c640
NA
1499int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1500 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
03e1ad7b
PM
1501int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1502void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1503int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
20510f2f
JM
1504int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1505int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1506 struct xfrm_sec_ctx *polsec, u32 secid);
1507int security_xfrm_state_delete(struct xfrm_state *x);
1508void security_xfrm_state_free(struct xfrm_state *x);
03e1ad7b 1509int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
20510f2f 1510int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
e33f7704
DM
1511 struct xfrm_policy *xp,
1512 const struct flowi *fl);
20510f2f
JM
1513int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1514void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl);
beb8d13b 1515
df71837d 1516#else /* CONFIG_SECURITY_NETWORK_XFRM */
20510f2f 1517
52a4c640
NA
1518static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1519 struct xfrm_user_sec_ctx *sec_ctx,
1520 gfp_t gfp)
df71837d
TJ
1521{
1522 return 0;
1523}
1524
03e1ad7b 1525static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
df71837d
TJ
1526{
1527 return 0;
1528}
1529
03e1ad7b 1530static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
df71837d
TJ
1531{
1532}
1533
03e1ad7b 1534static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
c8c05a8e
CZ
1535{
1536 return 0;
1537}
1538
e0d1caa7
VY
1539static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1540 struct xfrm_user_sec_ctx *sec_ctx)
1541{
1542 return 0;
1543}
1544
1545static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1546 struct xfrm_sec_ctx *polsec, u32 secid)
df71837d
TJ
1547{
1548 return 0;
1549}
1550
1551static inline void security_xfrm_state_free(struct xfrm_state *x)
1552{
1553}
1554
6f68dc37 1555static inline int security_xfrm_state_delete(struct xfrm_state *x)
c8c05a8e
CZ
1556{
1557 return 0;
1558}
1559
03e1ad7b 1560static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
df71837d
TJ
1561{
1562 return 0;
1563}
e0d1caa7
VY
1564
1565static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
e33f7704 1566 struct xfrm_policy *xp, const struct flowi *fl)
e0d1caa7
VY
1567{
1568 return 1;
1569}
1570
beb8d13b 1571static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
e0d1caa7
VY
1572{
1573 return 0;
1574}
1575
beb8d13b
VY
1576static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1577{
1578}
1579
df71837d
TJ
1580#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1581
be6d3e56 1582#ifdef CONFIG_SECURITY_PATH
989f74e0 1583int security_path_unlink(const struct path *dir, struct dentry *dentry);
d3607752 1584int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
989f74e0 1585int security_path_rmdir(const struct path *dir, struct dentry *dentry);
d3607752 1586int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
be6d3e56 1587 unsigned int dev);
81f4c506 1588int security_path_truncate(const struct path *path);
d3607752 1589int security_path_symlink(const struct path *dir, struct dentry *dentry,
be6d3e56 1590 const char *old_name);
3ccee46a 1591int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
be6d3e56 1592 struct dentry *new_dentry);
3ccee46a
AV
1593int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1594 const struct path *new_dir, struct dentry *new_dentry,
0b3974eb 1595 unsigned int flags);
be01f9f2 1596int security_path_chmod(const struct path *path, umode_t mode);
7fd25dac 1597int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
77b286c0 1598int security_path_chroot(const struct path *path);
be6d3e56 1599#else /* CONFIG_SECURITY_PATH */
989f74e0 1600static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
be6d3e56
KT
1601{
1602 return 0;
1603}
1604
d3607752 1605static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
4572befe 1606 umode_t mode)
be6d3e56
KT
1607{
1608 return 0;
1609}
1610
989f74e0 1611static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
be6d3e56
KT
1612{
1613 return 0;
1614}
1615
d3607752 1616static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
04fc66e7 1617 umode_t mode, unsigned int dev)
be6d3e56
KT
1618{
1619 return 0;
1620}
1621
81f4c506 1622static inline int security_path_truncate(const struct path *path)
be6d3e56
KT
1623{
1624 return 0;
1625}
1626
d3607752 1627static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
be6d3e56
KT
1628 const char *old_name)
1629{
1630 return 0;
1631}
1632
1633static inline int security_path_link(struct dentry *old_dentry,
3ccee46a 1634 const struct path *new_dir,
be6d3e56
KT
1635 struct dentry *new_dentry)
1636{
1637 return 0;
1638}
1639
3ccee46a 1640static inline int security_path_rename(const struct path *old_dir,
be6d3e56 1641 struct dentry *old_dentry,
3ccee46a 1642 const struct path *new_dir,
0b3974eb
MS
1643 struct dentry *new_dentry,
1644 unsigned int flags)
be6d3e56
KT
1645{
1646 return 0;
1647}
89eda068 1648
be01f9f2 1649static inline int security_path_chmod(const struct path *path, umode_t mode)
89eda068
TH
1650{
1651 return 0;
1652}
1653
7fd25dac 1654static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
89eda068
TH
1655{
1656 return 0;
1657}
8b8efb44 1658
77b286c0 1659static inline int security_path_chroot(const struct path *path)
8b8efb44
TH
1660{
1661 return 0;
1662}
be6d3e56
KT
1663#endif /* CONFIG_SECURITY_PATH */
1664
29db9190
DH
1665#ifdef CONFIG_KEYS
1666#ifdef CONFIG_SECURITY
29db9190 1667
d84f4f99 1668int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
20510f2f
JM
1669void security_key_free(struct key *key);
1670int security_key_permission(key_ref_t key_ref,
f5895943 1671 const struct cred *cred, unsigned perm);
70a5bb72 1672int security_key_getsecurity(struct key *key, char **_buffer);
29db9190
DH
1673
1674#else
1675
d720024e 1676static inline int security_key_alloc(struct key *key,
d84f4f99 1677 const struct cred *cred,
7e047ef5 1678 unsigned long flags)
29db9190
DH
1679{
1680 return 0;
1681}
1682
1683static inline void security_key_free(struct key *key)
1684{
1685}
1686
1687static inline int security_key_permission(key_ref_t key_ref,
d84f4f99 1688 const struct cred *cred,
f5895943 1689 unsigned perm)
29db9190
DH
1690{
1691 return 0;
1692}
1693
70a5bb72
DH
1694static inline int security_key_getsecurity(struct key *key, char **_buffer)
1695{
1696 *_buffer = NULL;
1697 return 0;
be1d6a5f 1698}
ee18d64c 1699
29db9190
DH
1700#endif
1701#endif /* CONFIG_KEYS */
1702
03d37d25
AD
1703#ifdef CONFIG_AUDIT
1704#ifdef CONFIG_SECURITY
1705int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1706int security_audit_rule_known(struct audit_krule *krule);
90462a5b 1707int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
03d37d25
AD
1708void security_audit_rule_free(void *lsmrule);
1709
1710#else
1711
1712static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1713 void **lsmrule)
1714{
1715 return 0;
1716}
1717
1718static inline int security_audit_rule_known(struct audit_krule *krule)
1719{
1720 return 0;
1721}
1722
1723static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
90462a5b 1724 void *lsmrule)
03d37d25
AD
1725{
1726 return 0;
1727}
1728
1729static inline void security_audit_rule_free(void *lsmrule)
1730{ }
1731
1732#endif /* CONFIG_SECURITY */
1733#endif /* CONFIG_AUDIT */
1734
da31894e
EP
1735#ifdef CONFIG_SECURITYFS
1736
52ef0c04 1737extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
da31894e
EP
1738 struct dentry *parent, void *data,
1739 const struct file_operations *fops);
1740extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
6623ec7c
JJ
1741struct dentry *securityfs_create_symlink(const char *name,
1742 struct dentry *parent,
1743 const char *target,
1744 const struct inode_operations *iops);
da31894e
EP
1745extern void securityfs_remove(struct dentry *dentry);
1746
1747#else /* CONFIG_SECURITYFS */
1748
1749static inline struct dentry *securityfs_create_dir(const char *name,
1750 struct dentry *parent)
1751{
1752 return ERR_PTR(-ENODEV);
1753}
1754
1755static inline struct dentry *securityfs_create_file(const char *name,
52ef0c04 1756 umode_t mode,
da31894e
EP
1757 struct dentry *parent,
1758 void *data,
1759 const struct file_operations *fops)
1760{
1761 return ERR_PTR(-ENODEV);
1762}
1763
6623ec7c
JJ
1764static inline struct dentry *securityfs_create_symlink(const char *name,
1765 struct dentry *parent,
1766 const char *target,
1767 const struct inode_operations *iops)
1768{
1769 return ERR_PTR(-ENODEV);
1770}
1771
da31894e
EP
1772static inline void securityfs_remove(struct dentry *dentry)
1773{}
1774
1775#endif
1776
afdb09c7 1777#ifdef CONFIG_BPF_SYSCALL
1495dc9f
JK
1778union bpf_attr;
1779struct bpf_map;
1780struct bpf_prog;
1781struct bpf_prog_aux;
afdb09c7
CF
1782#ifdef CONFIG_SECURITY
1783extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1784extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1785extern int security_bpf_prog(struct bpf_prog *prog);
1786extern int security_bpf_map_alloc(struct bpf_map *map);
1787extern void security_bpf_map_free(struct bpf_map *map);
1788extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1789extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1790#else
1791static inline int security_bpf(int cmd, union bpf_attr *attr,
1792 unsigned int size)
1793{
1794 return 0;
1795}
1796
1797static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1798{
1799 return 0;
1800}
1801
1802static inline int security_bpf_prog(struct bpf_prog *prog)
1803{
1804 return 0;
1805}
1806
1807static inline int security_bpf_map_alloc(struct bpf_map *map)
1808{
1809 return 0;
1810}
1811
1812static inline void security_bpf_map_free(struct bpf_map *map)
1813{ }
1814
1815static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
1816{
1817 return 0;
1818}
1819
1820static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
1821{ }
1822#endif /* CONFIG_SECURITY */
1823#endif /* CONFIG_BPF_SYSCALL */
1824
1da177e4
LT
1825#endif /* ! __LINUX_SECURITY_H */
1826