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)
9 * Copyright (C) 2016 Mellanox Techonologies
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
26 #include <linux/kernel_read_file.h>
27 #include <linux/key.h>
28 #include <linux/capability.h>
29 #include <linux/fs.h>
30 #include <linux/slab.h>
31 #include <linux/err.h>
32 #include <linux/string.h>
33 #include <linux/mm.h>
34 #include <linux/sockptr.h>
35
36 struct linux_binprm;
37 struct cred;
38 struct rlimit;
39 struct kernel_siginfo;
40 struct sembuf;
41 struct kern_ipc_perm;
42 struct audit_context;
43 struct super_block;
44 struct inode;
45 struct dentry;
46 struct file;
47 struct vfsmount;
48 struct path;
49 struct qstr;
50 struct iattr;
51 struct fown_struct;
52 struct file_operations;
53 struct msg_msg;
54 struct xattr;
55 struct kernfs_node;
56 struct xfrm_sec_ctx;
57 struct mm_struct;
58 struct fs_context;
59 struct fs_parameter;
60 enum fs_value_type;
61 struct watch;
62 struct watch_notification;
63
64 /* Default (no) options for the capable function */
65 #define CAP_OPT_NONE 0x0
66 /* If capable should audit the security request */
67 #define CAP_OPT_NOAUDIT BIT(1)
68 /* If capable is being called by a setid function */
69 #define CAP_OPT_INSETID BIT(2)
70
71 /* LSM Agnostic defines for fs_context::lsm_flags */
72 #define SECURITY_LSM_NATIVE_LABELS 1
73
74 struct ctl_table;
75 struct audit_krule;
76 struct user_namespace;
77 struct timezone;
78
79 enum lsm_event {
80 LSM_POLICY_CHANGE,
81 };
82
83 /*
84 * These are reasons that can be passed to the security_locked_down()
85 * LSM hook. Lockdown reasons that protect kernel integrity (ie, the
86 * ability for userland to modify kernel code) are placed before
87 * LOCKDOWN_INTEGRITY_MAX. Lockdown reasons that protect kernel
88 * confidentiality (ie, the ability for userland to extract
89 * information from the running kernel that would otherwise be
90 * restricted) are placed before LOCKDOWN_CONFIDENTIALITY_MAX.
91 *
92 * LSM authors should note that the semantics of any given lockdown
93 * reason are not guaranteed to be stable - the same reason may block
94 * one set of features in one kernel release, and a slightly different
95 * set of features in a later kernel release. LSMs that seek to expose
96 * lockdown policy at any level of granularity other than "none",
97 * "integrity" or "confidentiality" are responsible for either
98 * ensuring that they expose a consistent level of functionality to
99 * userland, or ensuring that userland is aware that this is
100 * potentially a moving target. It is easy to misuse this information
101 * in a way that could break userspace. Please be careful not to do
102 * so.
103 *
104 * If you add to this, remember to extend lockdown_reasons in
105 * security/lockdown/lockdown.c.
106 */
107 enum lockdown_reason {
108 LOCKDOWN_NONE,
109 LOCKDOWN_MODULE_SIGNATURE,
110 LOCKDOWN_DEV_MEM,
111 LOCKDOWN_EFI_TEST,
112 LOCKDOWN_KEXEC,
113 LOCKDOWN_HIBERNATION,
114 LOCKDOWN_PCI_ACCESS,
115 LOCKDOWN_IOPORT,
116 LOCKDOWN_MSR,
117 LOCKDOWN_ACPI_TABLES,
118 LOCKDOWN_DEVICE_TREE,
119 LOCKDOWN_PCMCIA_CIS,
120 LOCKDOWN_TIOCSSERIAL,
121 LOCKDOWN_MODULE_PARAMETERS,
122 LOCKDOWN_MMIOTRACE,
123 LOCKDOWN_DEBUGFS,
124 LOCKDOWN_XMON_WR,
125 LOCKDOWN_BPF_WRITE_USER,
126 LOCKDOWN_DBG_WRITE_KERNEL,
127 LOCKDOWN_RTAS_ERROR_INJECTION,
128 LOCKDOWN_INTEGRITY_MAX,
129 LOCKDOWN_KCORE,
130 LOCKDOWN_KPROBES,
131 LOCKDOWN_BPF_READ_KERNEL,
132 LOCKDOWN_DBG_READ_KERNEL,
133 LOCKDOWN_PERF,
134 LOCKDOWN_TRACEFS,
135 LOCKDOWN_XMON_RW,
136 LOCKDOWN_XFRM_SECRET,
137 LOCKDOWN_CONFIDENTIALITY_MAX,
138 };
139
140 extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1];
141
142 /* These functions are in security/commoncap.c */
143 extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
144 int cap, unsigned int opts);
145 extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
146 extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
147 extern int cap_ptrace_traceme(struct task_struct *parent);
148 extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
149 extern int cap_capset(struct cred *new, const struct cred *old,
150 const kernel_cap_t *effective,
151 const kernel_cap_t *inheritable,
152 const kernel_cap_t *permitted);
153 extern int cap_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
154 int cap_inode_setxattr(struct dentry *dentry, const char *name,
155 const void *value, size_t size, int flags);
156 int cap_inode_removexattr(struct mnt_idmap *idmap,
157 struct dentry *dentry, const char *name);
158 int cap_inode_need_killpriv(struct dentry *dentry);
159 int cap_inode_killpriv(struct mnt_idmap *idmap, struct dentry *dentry);
160 int cap_inode_getsecurity(struct mnt_idmap *idmap,
161 struct inode *inode, const char *name, void **buffer,
162 bool alloc);
163 extern int cap_mmap_addr(unsigned long addr);
164 extern int cap_mmap_file(struct file *file, unsigned long reqprot,
165 unsigned long prot, unsigned long flags);
166 extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
167 extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
168 unsigned long arg4, unsigned long arg5);
169 extern int cap_task_setscheduler(struct task_struct *p);
170 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
171 extern int cap_task_setnice(struct task_struct *p, int nice);
172 extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
173
174 struct msghdr;
175 struct sk_buff;
176 struct sock;
177 struct sockaddr;
178 struct socket;
179 struct flowi_common;
180 struct dst_entry;
181 struct xfrm_selector;
182 struct xfrm_policy;
183 struct xfrm_state;
184 struct xfrm_user_sec_ctx;
185 struct seq_file;
186 struct sctp_association;
187
188 #ifdef CONFIG_MMU
189 extern unsigned long mmap_min_addr;
190 extern unsigned long dac_mmap_min_addr;
191 #else
192 #define mmap_min_addr 0UL
193 #define dac_mmap_min_addr 0UL
194 #endif
195
196 /*
197 * Values used in the task_security_ops calls
198 */
199 /* setuid or setgid, id0 == uid or gid */
200 #define LSM_SETID_ID 1
201
202 /* setreuid or setregid, id0 == real, id1 == eff */
203 #define LSM_SETID_RE 2
204
205 /* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
206 #define LSM_SETID_RES 4
207
208 /* setfsuid or setfsgid, id0 == fsuid or fsgid */
209 #define LSM_SETID_FS 8
210
211 /* Flags for security_task_prlimit(). */
212 #define LSM_PRLIMIT_READ 1
213 #define LSM_PRLIMIT_WRITE 2
214
215 /* forward declares to avoid warnings */
216 struct sched_param;
217 struct request_sock;
218
219 /* bprm->unsafe reasons */
220 #define LSM_UNSAFE_SHARE 1
221 #define LSM_UNSAFE_PTRACE 2
222 #define LSM_UNSAFE_NO_NEW_PRIVS 4
223
224 #ifdef CONFIG_MMU
225 extern int mmap_min_addr_handler(struct ctl_table *table, int write,
226 void *buffer, size_t *lenp, loff_t *ppos);
227 #endif
228
229 /* security_inode_init_security callback function to write xattrs */
230 typedef int (*initxattrs) (struct inode *inode,
231 const struct xattr *xattr_array, void *fs_data);
232
233
234 /* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */
235 #define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
236 #define __data_id_stringify(dummy, str) #str,
237
238 enum kernel_load_data_id {
239 __kernel_read_file_id(__data_id_enumify)
240 };
241
242 static const char * const kernel_load_data_str[] = {
243 __kernel_read_file_id(__data_id_stringify)
244 };
245
kernel_load_data_id_str(enum kernel_load_data_id id)246 static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
247 {
248 if ((unsigned)id >= LOADING_MAX_ID)
249 return kernel_load_data_str[LOADING_UNKNOWN];
250
251 return kernel_load_data_str[id];
252 }
253
254 #ifdef CONFIG_SECURITY
255
256 int call_blocking_lsm_notifier(enum lsm_event event, void *data);
257 int register_blocking_lsm_notifier(struct notifier_block *nb);
258 int unregister_blocking_lsm_notifier(struct notifier_block *nb);
259
260 /* prototypes */
261 extern int security_init(void);
262 extern int early_security_init(void);
263
264 /* Security operations */
265 int security_binder_set_context_mgr(const struct cred *mgr);
266 int security_binder_transaction(const struct cred *from,
267 const struct cred *to);
268 int security_binder_transfer_binder(const struct cred *from,
269 const struct cred *to);
270 int security_binder_transfer_file(const struct cred *from,
271 const struct cred *to, struct file *file);
272 int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
273 int security_ptrace_traceme(struct task_struct *parent);
274 int security_capget(struct task_struct *target,
275 kernel_cap_t *effective,
276 kernel_cap_t *inheritable,
277 kernel_cap_t *permitted);
278 int security_capset(struct cred *new, const struct cred *old,
279 const kernel_cap_t *effective,
280 const kernel_cap_t *inheritable,
281 const kernel_cap_t *permitted);
282 int security_capable(const struct cred *cred,
283 struct user_namespace *ns,
284 int cap,
285 unsigned int opts);
286 int security_quotactl(int cmds, int type, int id, struct super_block *sb);
287 int security_quota_on(struct dentry *dentry);
288 int security_syslog(int type);
289 int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
290 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
291 int security_bprm_creds_for_exec(struct linux_binprm *bprm);
292 int security_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
293 int security_bprm_check(struct linux_binprm *bprm);
294 void security_bprm_committing_creds(struct linux_binprm *bprm);
295 void security_bprm_committed_creds(struct linux_binprm *bprm);
296 int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
297 int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
298 int security_sb_alloc(struct super_block *sb);
299 void security_sb_delete(struct super_block *sb);
300 void security_sb_free(struct super_block *sb);
301 void security_free_mnt_opts(void **mnt_opts);
302 int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
303 int security_sb_mnt_opts_compat(struct super_block *sb, void *mnt_opts);
304 int security_sb_remount(struct super_block *sb, void *mnt_opts);
305 int security_sb_kern_mount(struct super_block *sb);
306 int security_sb_show_options(struct seq_file *m, struct super_block *sb);
307 int security_sb_statfs(struct dentry *dentry);
308 int security_sb_mount(const char *dev_name, const struct path *path,
309 const char *type, unsigned long flags, void *data);
310 int security_sb_umount(struct vfsmount *mnt, int flags);
311 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
312 int security_sb_set_mnt_opts(struct super_block *sb,
313 void *mnt_opts,
314 unsigned long kern_flags,
315 unsigned long *set_kern_flags);
316 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
317 struct super_block *newsb,
318 unsigned long kern_flags,
319 unsigned long *set_kern_flags);
320 int security_move_mount(const struct path *from_path, const struct path *to_path);
321 int security_dentry_init_security(struct dentry *dentry, int mode,
322 const struct qstr *name,
323 const char **xattr_name, void **ctx,
324 u32 *ctxlen);
325 int security_dentry_create_files_as(struct dentry *dentry, int mode,
326 struct qstr *name,
327 const struct cred *old,
328 struct cred *new);
329 int security_path_notify(const struct path *path, u64 mask,
330 unsigned int obj_type);
331 int security_inode_alloc(struct inode *inode);
332 void security_inode_free(struct inode *inode);
333 int security_inode_init_security(struct inode *inode, struct inode *dir,
334 const struct qstr *qstr,
335 initxattrs initxattrs, void *fs_data);
336 int security_inode_init_security_anon(struct inode *inode,
337 const struct qstr *name,
338 const struct inode *context_inode);
339 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
340 const struct qstr *qstr, const char **name,
341 void **value, size_t *len);
342 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
343 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
344 struct dentry *new_dentry);
345 int security_inode_unlink(struct inode *dir, struct dentry *dentry);
346 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
347 const char *old_name);
348 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
349 int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
350 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
351 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
352 struct inode *new_dir, struct dentry *new_dentry,
353 unsigned int flags);
354 int security_inode_readlink(struct dentry *dentry);
355 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
356 bool rcu);
357 int security_inode_permission(struct inode *inode, int mask);
358 int security_inode_setattr(struct mnt_idmap *idmap,
359 struct dentry *dentry, struct iattr *attr);
360 int security_inode_getattr(const struct path *path);
361 int security_inode_setxattr(struct mnt_idmap *idmap,
362 struct dentry *dentry, const char *name,
363 const void *value, size_t size, int flags);
364 int security_inode_set_acl(struct mnt_idmap *idmap,
365 struct dentry *dentry, const char *acl_name,
366 struct posix_acl *kacl);
367 int security_inode_get_acl(struct mnt_idmap *idmap,
368 struct dentry *dentry, const char *acl_name);
369 int security_inode_remove_acl(struct mnt_idmap *idmap,
370 struct dentry *dentry, const char *acl_name);
371 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
372 const void *value, size_t size, int flags);
373 int security_inode_getxattr(struct dentry *dentry, const char *name);
374 int security_inode_listxattr(struct dentry *dentry);
375 int security_inode_removexattr(struct mnt_idmap *idmap,
376 struct dentry *dentry, const char *name);
377 int security_inode_need_killpriv(struct dentry *dentry);
378 int security_inode_killpriv(struct mnt_idmap *idmap, struct dentry *dentry);
379 int security_inode_getsecurity(struct mnt_idmap *idmap,
380 struct inode *inode, const char *name,
381 void **buffer, bool alloc);
382 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
383 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
384 void security_inode_getsecid(struct inode *inode, u32 *secid);
385 int security_inode_copy_up(struct dentry *src, struct cred **new);
386 int security_inode_copy_up_xattr(const char *name);
387 int security_kernfs_init_security(struct kernfs_node *kn_dir,
388 struct kernfs_node *kn);
389 int security_file_permission(struct file *file, int mask);
390 int security_file_alloc(struct file *file);
391 void security_file_free(struct file *file);
392 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
393 int security_mmap_file(struct file *file, unsigned long prot,
394 unsigned long flags);
395 int security_mmap_addr(unsigned long addr);
396 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
397 unsigned long prot);
398 int security_file_lock(struct file *file, unsigned int cmd);
399 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
400 void security_file_set_fowner(struct file *file);
401 int security_file_send_sigiotask(struct task_struct *tsk,
402 struct fown_struct *fown, int sig);
403 int security_file_receive(struct file *file);
404 int security_file_open(struct file *file);
405 int security_file_truncate(struct file *file);
406 int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
407 void security_task_free(struct task_struct *task);
408 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
409 void security_cred_free(struct cred *cred);
410 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
411 void security_transfer_creds(struct cred *new, const struct cred *old);
412 void security_cred_getsecid(const struct cred *c, u32 *secid);
413 int security_kernel_act_as(struct cred *new, u32 secid);
414 int security_kernel_create_files_as(struct cred *new, struct inode *inode);
415 int security_kernel_module_request(char *kmod_name);
416 int security_kernel_load_data(enum kernel_load_data_id id, bool contents);
417 int security_kernel_post_load_data(char *buf, loff_t size,
418 enum kernel_load_data_id id,
419 char *description);
420 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id,
421 bool contents);
422 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
423 enum kernel_read_file_id id);
424 int security_task_fix_setuid(struct cred *new, const struct cred *old,
425 int flags);
426 int security_task_fix_setgid(struct cred *new, const struct cred *old,
427 int flags);
428 int security_task_fix_setgroups(struct cred *new, const struct cred *old);
429 int security_task_setpgid(struct task_struct *p, pid_t pgid);
430 int security_task_getpgid(struct task_struct *p);
431 int security_task_getsid(struct task_struct *p);
432 void security_current_getsecid_subj(u32 *secid);
433 void security_task_getsecid_obj(struct task_struct *p, u32 *secid);
434 int security_task_setnice(struct task_struct *p, int nice);
435 int security_task_setioprio(struct task_struct *p, int ioprio);
436 int security_task_getioprio(struct task_struct *p);
437 int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
438 unsigned int flags);
439 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
440 struct rlimit *new_rlim);
441 int security_task_setscheduler(struct task_struct *p);
442 int security_task_getscheduler(struct task_struct *p);
443 int security_task_movememory(struct task_struct *p);
444 int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
445 int sig, const struct cred *cred);
446 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
447 unsigned long arg4, unsigned long arg5);
448 void security_task_to_inode(struct task_struct *p, struct inode *inode);
449 int security_create_user_ns(const struct cred *cred);
450 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
451 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
452 int security_msg_msg_alloc(struct msg_msg *msg);
453 void security_msg_msg_free(struct msg_msg *msg);
454 int security_msg_queue_alloc(struct kern_ipc_perm *msq);
455 void security_msg_queue_free(struct kern_ipc_perm *msq);
456 int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
457 int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
458 int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
459 struct msg_msg *msg, int msqflg);
460 int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
461 struct task_struct *target, long type, int mode);
462 int security_shm_alloc(struct kern_ipc_perm *shp);
463 void security_shm_free(struct kern_ipc_perm *shp);
464 int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
465 int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
466 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
467 int security_sem_alloc(struct kern_ipc_perm *sma);
468 void security_sem_free(struct kern_ipc_perm *sma);
469 int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
470 int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
471 int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
472 unsigned nsops, int alter);
473 void security_d_instantiate(struct dentry *dentry, struct inode *inode);
474 int security_getprocattr(struct task_struct *p, const char *lsm, const char *name,
475 char **value);
476 int security_setprocattr(const char *lsm, const char *name, void *value,
477 size_t size);
478 int security_netlink_send(struct sock *sk, struct sk_buff *skb);
479 int security_ismaclabel(const char *name);
480 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
481 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
482 void security_release_secctx(char *secdata, u32 seclen);
483 void security_inode_invalidate_secctx(struct inode *inode);
484 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
485 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
486 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
487 int security_locked_down(enum lockdown_reason what);
488 #else /* CONFIG_SECURITY */
489
call_blocking_lsm_notifier(enum lsm_event event,void * data)490 static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
491 {
492 return 0;
493 }
494
register_blocking_lsm_notifier(struct notifier_block * nb)495 static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
496 {
497 return 0;
498 }
499
unregister_blocking_lsm_notifier(struct notifier_block * nb)500 static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb)
501 {
502 return 0;
503 }
504
security_free_mnt_opts(void ** mnt_opts)505 static inline void security_free_mnt_opts(void **mnt_opts)
506 {
507 }
508
509 /*
510 * This is the default capabilities functionality. Most of these functions
511 * are just stubbed out, but a few must call the proper capable code.
512 */
513
security_init(void)514 static inline int security_init(void)
515 {
516 return 0;
517 }
518
early_security_init(void)519 static inline int early_security_init(void)
520 {
521 return 0;
522 }
523
security_binder_set_context_mgr(const struct cred * mgr)524 static inline int security_binder_set_context_mgr(const struct cred *mgr)
525 {
526 return 0;
527 }
528
security_binder_transaction(const struct cred * from,const struct cred * to)529 static inline int security_binder_transaction(const struct cred *from,
530 const struct cred *to)
531 {
532 return 0;
533 }
534
security_binder_transfer_binder(const struct cred * from,const struct cred * to)535 static inline int security_binder_transfer_binder(const struct cred *from,
536 const struct cred *to)
537 {
538 return 0;
539 }
540
security_binder_transfer_file(const struct cred * from,const struct cred * to,struct file * file)541 static inline int security_binder_transfer_file(const struct cred *from,
542 const struct cred *to,
543 struct file *file)
544 {
545 return 0;
546 }
547
security_ptrace_access_check(struct task_struct * child,unsigned int mode)548 static inline int security_ptrace_access_check(struct task_struct *child,
549 unsigned int mode)
550 {
551 return cap_ptrace_access_check(child, mode);
552 }
553
security_ptrace_traceme(struct task_struct * parent)554 static inline int security_ptrace_traceme(struct task_struct *parent)
555 {
556 return cap_ptrace_traceme(parent);
557 }
558
security_capget(struct task_struct * target,kernel_cap_t * effective,kernel_cap_t * inheritable,kernel_cap_t * permitted)559 static inline int security_capget(struct task_struct *target,
560 kernel_cap_t *effective,
561 kernel_cap_t *inheritable,
562 kernel_cap_t *permitted)
563 {
564 return cap_capget(target, effective, inheritable, permitted);
565 }
566
security_capset(struct cred * new,const struct cred * old,const kernel_cap_t * effective,const kernel_cap_t * inheritable,const kernel_cap_t * permitted)567 static inline int security_capset(struct cred *new,
568 const struct cred *old,
569 const kernel_cap_t *effective,
570 const kernel_cap_t *inheritable,
571 const kernel_cap_t *permitted)
572 {
573 return cap_capset(new, old, effective, inheritable, permitted);
574 }
575
security_capable(const struct cred * cred,struct user_namespace * ns,int cap,unsigned int opts)576 static inline int security_capable(const struct cred *cred,
577 struct user_namespace *ns,
578 int cap,
579 unsigned int opts)
580 {
581 return cap_capable(cred, ns, cap, opts);
582 }
583
security_quotactl(int cmds,int type,int id,struct super_block * sb)584 static inline int security_quotactl(int cmds, int type, int id,
585 struct super_block *sb)
586 {
587 return 0;
588 }
589
security_quota_on(struct dentry * dentry)590 static inline int security_quota_on(struct dentry *dentry)
591 {
592 return 0;
593 }
594
security_syslog(int type)595 static inline int security_syslog(int type)
596 {
597 return 0;
598 }
599
security_settime64(const struct timespec64 * ts,const struct timezone * tz)600 static inline int security_settime64(const struct timespec64 *ts,
601 const struct timezone *tz)
602 {
603 return cap_settime(ts, tz);
604 }
605
security_vm_enough_memory_mm(struct mm_struct * mm,long pages)606 static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
607 {
608 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
609 }
610
security_bprm_creds_for_exec(struct linux_binprm * bprm)611 static inline int security_bprm_creds_for_exec(struct linux_binprm *bprm)
612 {
613 return 0;
614 }
615
security_bprm_creds_from_file(struct linux_binprm * bprm,struct file * file)616 static inline int security_bprm_creds_from_file(struct linux_binprm *bprm,
617 struct file *file)
618 {
619 return cap_bprm_creds_from_file(bprm, file);
620 }
621
security_bprm_check(struct linux_binprm * bprm)622 static inline int security_bprm_check(struct linux_binprm *bprm)
623 {
624 return 0;
625 }
626
security_bprm_committing_creds(struct linux_binprm * bprm)627 static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
628 {
629 }
630
security_bprm_committed_creds(struct linux_binprm * bprm)631 static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
632 {
633 }
634
security_fs_context_dup(struct fs_context * fc,struct fs_context * src_fc)635 static inline int security_fs_context_dup(struct fs_context *fc,
636 struct fs_context *src_fc)
637 {
638 return 0;
639 }
security_fs_context_parse_param(struct fs_context * fc,struct fs_parameter * param)640 static inline int security_fs_context_parse_param(struct fs_context *fc,
641 struct fs_parameter *param)
642 {
643 return -ENOPARAM;
644 }
645
security_sb_alloc(struct super_block * sb)646 static inline int security_sb_alloc(struct super_block *sb)
647 {
648 return 0;
649 }
650
security_sb_delete(struct super_block * sb)651 static inline void security_sb_delete(struct super_block *sb)
652 { }
653
security_sb_free(struct super_block * sb)654 static inline void security_sb_free(struct super_block *sb)
655 { }
656
security_sb_eat_lsm_opts(char * options,void ** mnt_opts)657 static inline int security_sb_eat_lsm_opts(char *options,
658 void **mnt_opts)
659 {
660 return 0;
661 }
662
security_sb_remount(struct super_block * sb,void * mnt_opts)663 static inline int security_sb_remount(struct super_block *sb,
664 void *mnt_opts)
665 {
666 return 0;
667 }
668
security_sb_mnt_opts_compat(struct super_block * sb,void * mnt_opts)669 static inline int security_sb_mnt_opts_compat(struct super_block *sb,
670 void *mnt_opts)
671 {
672 return 0;
673 }
674
675
security_sb_kern_mount(struct super_block * sb)676 static inline int security_sb_kern_mount(struct super_block *sb)
677 {
678 return 0;
679 }
680
security_sb_show_options(struct seq_file * m,struct super_block * sb)681 static inline int security_sb_show_options(struct seq_file *m,
682 struct super_block *sb)
683 {
684 return 0;
685 }
686
security_sb_statfs(struct dentry * dentry)687 static inline int security_sb_statfs(struct dentry *dentry)
688 {
689 return 0;
690 }
691
security_sb_mount(const char * dev_name,const struct path * path,const char * type,unsigned long flags,void * data)692 static inline int security_sb_mount(const char *dev_name, const struct path *path,
693 const char *type, unsigned long flags,
694 void *data)
695 {
696 return 0;
697 }
698
security_sb_umount(struct vfsmount * mnt,int flags)699 static inline int security_sb_umount(struct vfsmount *mnt, int flags)
700 {
701 return 0;
702 }
703
security_sb_pivotroot(const struct path * old_path,const struct path * new_path)704 static inline int security_sb_pivotroot(const struct path *old_path,
705 const struct path *new_path)
706 {
707 return 0;
708 }
709
security_sb_set_mnt_opts(struct super_block * sb,void * mnt_opts,unsigned long kern_flags,unsigned long * set_kern_flags)710 static inline int security_sb_set_mnt_opts(struct super_block *sb,
711 void *mnt_opts,
712 unsigned long kern_flags,
713 unsigned long *set_kern_flags)
714 {
715 return 0;
716 }
717
security_sb_clone_mnt_opts(const struct super_block * oldsb,struct super_block * newsb,unsigned long kern_flags,unsigned long * set_kern_flags)718 static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
719 struct super_block *newsb,
720 unsigned long kern_flags,
721 unsigned long *set_kern_flags)
722 {
723 return 0;
724 }
725
security_move_mount(const struct path * from_path,const struct path * to_path)726 static inline int security_move_mount(const struct path *from_path,
727 const struct path *to_path)
728 {
729 return 0;
730 }
731
security_path_notify(const struct path * path,u64 mask,unsigned int obj_type)732 static inline int security_path_notify(const struct path *path, u64 mask,
733 unsigned int obj_type)
734 {
735 return 0;
736 }
737
security_inode_alloc(struct inode * inode)738 static inline int security_inode_alloc(struct inode *inode)
739 {
740 return 0;
741 }
742
security_inode_free(struct inode * inode)743 static inline void security_inode_free(struct inode *inode)
744 { }
745
security_dentry_init_security(struct dentry * dentry,int mode,const struct qstr * name,const char ** xattr_name,void ** ctx,u32 * ctxlen)746 static inline int security_dentry_init_security(struct dentry *dentry,
747 int mode,
748 const struct qstr *name,
749 const char **xattr_name,
750 void **ctx,
751 u32 *ctxlen)
752 {
753 return -EOPNOTSUPP;
754 }
755
security_dentry_create_files_as(struct dentry * dentry,int mode,struct qstr * name,const struct cred * old,struct cred * new)756 static inline int security_dentry_create_files_as(struct dentry *dentry,
757 int mode, struct qstr *name,
758 const struct cred *old,
759 struct cred *new)
760 {
761 return 0;
762 }
763
764
security_inode_init_security(struct inode * inode,struct inode * dir,const struct qstr * qstr,const initxattrs xattrs,void * fs_data)765 static inline int security_inode_init_security(struct inode *inode,
766 struct inode *dir,
767 const struct qstr *qstr,
768 const initxattrs xattrs,
769 void *fs_data)
770 {
771 return 0;
772 }
773
security_inode_init_security_anon(struct inode * inode,const struct qstr * name,const struct inode * context_inode)774 static inline int security_inode_init_security_anon(struct inode *inode,
775 const struct qstr *name,
776 const struct inode *context_inode)
777 {
778 return 0;
779 }
780
security_old_inode_init_security(struct inode * inode,struct inode * dir,const struct qstr * qstr,const char ** name,void ** value,size_t * len)781 static inline int security_old_inode_init_security(struct inode *inode,
782 struct inode *dir,
783 const struct qstr *qstr,
784 const char **name,
785 void **value, size_t *len)
786 {
787 return -EOPNOTSUPP;
788 }
789
security_inode_create(struct inode * dir,struct dentry * dentry,umode_t mode)790 static inline int security_inode_create(struct inode *dir,
791 struct dentry *dentry,
792 umode_t mode)
793 {
794 return 0;
795 }
796
security_inode_link(struct dentry * old_dentry,struct inode * dir,struct dentry * new_dentry)797 static inline int security_inode_link(struct dentry *old_dentry,
798 struct inode *dir,
799 struct dentry *new_dentry)
800 {
801 return 0;
802 }
803
security_inode_unlink(struct inode * dir,struct dentry * dentry)804 static inline int security_inode_unlink(struct inode *dir,
805 struct dentry *dentry)
806 {
807 return 0;
808 }
809
security_inode_symlink(struct inode * dir,struct dentry * dentry,const char * old_name)810 static inline int security_inode_symlink(struct inode *dir,
811 struct dentry *dentry,
812 const char *old_name)
813 {
814 return 0;
815 }
816
security_inode_mkdir(struct inode * dir,struct dentry * dentry,int mode)817 static inline int security_inode_mkdir(struct inode *dir,
818 struct dentry *dentry,
819 int mode)
820 {
821 return 0;
822 }
823
security_inode_rmdir(struct inode * dir,struct dentry * dentry)824 static inline int security_inode_rmdir(struct inode *dir,
825 struct dentry *dentry)
826 {
827 return 0;
828 }
829
security_inode_mknod(struct inode * dir,struct dentry * dentry,int mode,dev_t dev)830 static inline int security_inode_mknod(struct inode *dir,
831 struct dentry *dentry,
832 int mode, dev_t dev)
833 {
834 return 0;
835 }
836
security_inode_rename(struct inode * old_dir,struct dentry * old_dentry,struct inode * new_dir,struct dentry * new_dentry,unsigned int flags)837 static inline int security_inode_rename(struct inode *old_dir,
838 struct dentry *old_dentry,
839 struct inode *new_dir,
840 struct dentry *new_dentry,
841 unsigned int flags)
842 {
843 return 0;
844 }
845
security_inode_readlink(struct dentry * dentry)846 static inline int security_inode_readlink(struct dentry *dentry)
847 {
848 return 0;
849 }
850
security_inode_follow_link(struct dentry * dentry,struct inode * inode,bool rcu)851 static inline int security_inode_follow_link(struct dentry *dentry,
852 struct inode *inode,
853 bool rcu)
854 {
855 return 0;
856 }
857
security_inode_permission(struct inode * inode,int mask)858 static inline int security_inode_permission(struct inode *inode, int mask)
859 {
860 return 0;
861 }
862
security_inode_setattr(struct mnt_idmap * idmap,struct dentry * dentry,struct iattr * attr)863 static inline int security_inode_setattr(struct mnt_idmap *idmap,
864 struct dentry *dentry,
865 struct iattr *attr)
866 {
867 return 0;
868 }
869
security_inode_getattr(const struct path * path)870 static inline int security_inode_getattr(const struct path *path)
871 {
872 return 0;
873 }
874
security_inode_setxattr(struct mnt_idmap * idmap,struct dentry * dentry,const char * name,const void * value,size_t size,int flags)875 static inline int security_inode_setxattr(struct mnt_idmap *idmap,
876 struct dentry *dentry, const char *name, const void *value,
877 size_t size, int flags)
878 {
879 return cap_inode_setxattr(dentry, name, value, size, flags);
880 }
881
security_inode_set_acl(struct mnt_idmap * idmap,struct dentry * dentry,const char * acl_name,struct posix_acl * kacl)882 static inline int security_inode_set_acl(struct mnt_idmap *idmap,
883 struct dentry *dentry,
884 const char *acl_name,
885 struct posix_acl *kacl)
886 {
887 return 0;
888 }
889
security_inode_get_acl(struct mnt_idmap * idmap,struct dentry * dentry,const char * acl_name)890 static inline int security_inode_get_acl(struct mnt_idmap *idmap,
891 struct dentry *dentry,
892 const char *acl_name)
893 {
894 return 0;
895 }
896
security_inode_remove_acl(struct mnt_idmap * idmap,struct dentry * dentry,const char * acl_name)897 static inline int security_inode_remove_acl(struct mnt_idmap *idmap,
898 struct dentry *dentry,
899 const char *acl_name)
900 {
901 return 0;
902 }
903
security_inode_post_setxattr(struct dentry * dentry,const char * name,const void * value,size_t size,int flags)904 static inline void security_inode_post_setxattr(struct dentry *dentry,
905 const char *name, const void *value, size_t size, int flags)
906 { }
907
security_inode_getxattr(struct dentry * dentry,const char * name)908 static inline int security_inode_getxattr(struct dentry *dentry,
909 const char *name)
910 {
911 return 0;
912 }
913
security_inode_listxattr(struct dentry * dentry)914 static inline int security_inode_listxattr(struct dentry *dentry)
915 {
916 return 0;
917 }
918
security_inode_removexattr(struct mnt_idmap * idmap,struct dentry * dentry,const char * name)919 static inline int security_inode_removexattr(struct mnt_idmap *idmap,
920 struct dentry *dentry,
921 const char *name)
922 {
923 return cap_inode_removexattr(idmap, dentry, name);
924 }
925
security_inode_need_killpriv(struct dentry * dentry)926 static inline int security_inode_need_killpriv(struct dentry *dentry)
927 {
928 return cap_inode_need_killpriv(dentry);
929 }
930
security_inode_killpriv(struct mnt_idmap * idmap,struct dentry * dentry)931 static inline int security_inode_killpriv(struct mnt_idmap *idmap,
932 struct dentry *dentry)
933 {
934 return cap_inode_killpriv(idmap, dentry);
935 }
936
security_inode_getsecurity(struct mnt_idmap * idmap,struct inode * inode,const char * name,void ** buffer,bool alloc)937 static inline int security_inode_getsecurity(struct mnt_idmap *idmap,
938 struct inode *inode,
939 const char *name, void **buffer,
940 bool alloc)
941 {
942 return cap_inode_getsecurity(idmap, inode, name, buffer, alloc);
943 }
944
security_inode_setsecurity(struct inode * inode,const char * name,const void * value,size_t size,int flags)945 static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
946 {
947 return -EOPNOTSUPP;
948 }
949
security_inode_listsecurity(struct inode * inode,char * buffer,size_t buffer_size)950 static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
951 {
952 return 0;
953 }
954
security_inode_getsecid(struct inode * inode,u32 * secid)955 static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
956 {
957 *secid = 0;
958 }
959
security_inode_copy_up(struct dentry * src,struct cred ** new)960 static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
961 {
962 return 0;
963 }
964
security_kernfs_init_security(struct kernfs_node * kn_dir,struct kernfs_node * kn)965 static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
966 struct kernfs_node *kn)
967 {
968 return 0;
969 }
970
security_inode_copy_up_xattr(const char * name)971 static inline int security_inode_copy_up_xattr(const char *name)
972 {
973 return -EOPNOTSUPP;
974 }
975
security_file_permission(struct file * file,int mask)976 static inline int security_file_permission(struct file *file, int mask)
977 {
978 return 0;
979 }
980
security_file_alloc(struct file * file)981 static inline int security_file_alloc(struct file *file)
982 {
983 return 0;
984 }
985
security_file_free(struct file * file)986 static inline void security_file_free(struct file *file)
987 { }
988
security_file_ioctl(struct file * file,unsigned int cmd,unsigned long arg)989 static inline int security_file_ioctl(struct file *file, unsigned int cmd,
990 unsigned long arg)
991 {
992 return 0;
993 }
994
security_mmap_file(struct file * file,unsigned long prot,unsigned long flags)995 static inline int security_mmap_file(struct file *file, unsigned long prot,
996 unsigned long flags)
997 {
998 return 0;
999 }
1000
security_mmap_addr(unsigned long addr)1001 static inline int security_mmap_addr(unsigned long addr)
1002 {
1003 return cap_mmap_addr(addr);
1004 }
1005
security_file_mprotect(struct vm_area_struct * vma,unsigned long reqprot,unsigned long prot)1006 static inline int security_file_mprotect(struct vm_area_struct *vma,
1007 unsigned long reqprot,
1008 unsigned long prot)
1009 {
1010 return 0;
1011 }
1012
security_file_lock(struct file * file,unsigned int cmd)1013 static inline int security_file_lock(struct file *file, unsigned int cmd)
1014 {
1015 return 0;
1016 }
1017
security_file_fcntl(struct file * file,unsigned int cmd,unsigned long arg)1018 static inline int security_file_fcntl(struct file *file, unsigned int cmd,
1019 unsigned long arg)
1020 {
1021 return 0;
1022 }
1023
security_file_set_fowner(struct file * file)1024 static inline void security_file_set_fowner(struct file *file)
1025 {
1026 return;
1027 }
1028
security_file_send_sigiotask(struct task_struct * tsk,struct fown_struct * fown,int sig)1029 static inline int security_file_send_sigiotask(struct task_struct *tsk,
1030 struct fown_struct *fown,
1031 int sig)
1032 {
1033 return 0;
1034 }
1035
security_file_receive(struct file * file)1036 static inline int security_file_receive(struct file *file)
1037 {
1038 return 0;
1039 }
1040
security_file_open(struct file * file)1041 static inline int security_file_open(struct file *file)
1042 {
1043 return 0;
1044 }
1045
security_file_truncate(struct file * file)1046 static inline int security_file_truncate(struct file *file)
1047 {
1048 return 0;
1049 }
1050
security_task_alloc(struct task_struct * task,unsigned long clone_flags)1051 static inline int security_task_alloc(struct task_struct *task,
1052 unsigned long clone_flags)
1053 {
1054 return 0;
1055 }
1056
security_task_free(struct task_struct * task)1057 static inline void security_task_free(struct task_struct *task)
1058 { }
1059
security_cred_alloc_blank(struct cred * cred,gfp_t gfp)1060 static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
1061 {
1062 return 0;
1063 }
1064
security_cred_free(struct cred * cred)1065 static inline void security_cred_free(struct cred *cred)
1066 { }
1067
security_prepare_creds(struct cred * new,const struct cred * old,gfp_t gfp)1068 static inline int security_prepare_creds(struct cred *new,
1069 const struct cred *old,
1070 gfp_t gfp)
1071 {
1072 return 0;
1073 }
1074
security_transfer_creds(struct cred * new,const struct cred * old)1075 static inline void security_transfer_creds(struct cred *new,
1076 const struct cred *old)
1077 {
1078 }
1079
security_cred_getsecid(const struct cred * c,u32 * secid)1080 static inline void security_cred_getsecid(const struct cred *c, u32 *secid)
1081 {
1082 *secid = 0;
1083 }
1084
security_kernel_act_as(struct cred * cred,u32 secid)1085 static inline int security_kernel_act_as(struct cred *cred, u32 secid)
1086 {
1087 return 0;
1088 }
1089
security_kernel_create_files_as(struct cred * cred,struct inode * inode)1090 static inline int security_kernel_create_files_as(struct cred *cred,
1091 struct inode *inode)
1092 {
1093 return 0;
1094 }
1095
security_kernel_module_request(char * kmod_name)1096 static inline int security_kernel_module_request(char *kmod_name)
1097 {
1098 return 0;
1099 }
1100
security_kernel_load_data(enum kernel_load_data_id id,bool contents)1101 static inline int security_kernel_load_data(enum kernel_load_data_id id, bool contents)
1102 {
1103 return 0;
1104 }
1105
security_kernel_post_load_data(char * buf,loff_t size,enum kernel_load_data_id id,char * description)1106 static inline int security_kernel_post_load_data(char *buf, loff_t size,
1107 enum kernel_load_data_id id,
1108 char *description)
1109 {
1110 return 0;
1111 }
1112
security_kernel_read_file(struct file * file,enum kernel_read_file_id id,bool contents)1113 static inline int security_kernel_read_file(struct file *file,
1114 enum kernel_read_file_id id,
1115 bool contents)
1116 {
1117 return 0;
1118 }
1119
security_kernel_post_read_file(struct file * file,char * buf,loff_t size,enum kernel_read_file_id id)1120 static inline int security_kernel_post_read_file(struct file *file,
1121 char *buf, loff_t size,
1122 enum kernel_read_file_id id)
1123 {
1124 return 0;
1125 }
1126
security_task_fix_setuid(struct cred * new,const struct cred * old,int flags)1127 static inline int security_task_fix_setuid(struct cred *new,
1128 const struct cred *old,
1129 int flags)
1130 {
1131 return cap_task_fix_setuid(new, old, flags);
1132 }
1133
security_task_fix_setgid(struct cred * new,const struct cred * old,int flags)1134 static inline int security_task_fix_setgid(struct cred *new,
1135 const struct cred *old,
1136 int flags)
1137 {
1138 return 0;
1139 }
1140
security_task_fix_setgroups(struct cred * new,const struct cred * old)1141 static inline int security_task_fix_setgroups(struct cred *new,
1142 const struct cred *old)
1143 {
1144 return 0;
1145 }
1146
security_task_setpgid(struct task_struct * p,pid_t pgid)1147 static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1148 {
1149 return 0;
1150 }
1151
security_task_getpgid(struct task_struct * p)1152 static inline int security_task_getpgid(struct task_struct *p)
1153 {
1154 return 0;
1155 }
1156
security_task_getsid(struct task_struct * p)1157 static inline int security_task_getsid(struct task_struct *p)
1158 {
1159 return 0;
1160 }
1161
security_current_getsecid_subj(u32 * secid)1162 static inline void security_current_getsecid_subj(u32 *secid)
1163 {
1164 *secid = 0;
1165 }
1166
security_task_getsecid_obj(struct task_struct * p,u32 * secid)1167 static inline void security_task_getsecid_obj(struct task_struct *p, u32 *secid)
1168 {
1169 *secid = 0;
1170 }
1171
security_task_setnice(struct task_struct * p,int nice)1172 static inline int security_task_setnice(struct task_struct *p, int nice)
1173 {
1174 return cap_task_setnice(p, nice);
1175 }
1176
security_task_setioprio(struct task_struct * p,int ioprio)1177 static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1178 {
1179 return cap_task_setioprio(p, ioprio);
1180 }
1181
security_task_getioprio(struct task_struct * p)1182 static inline int security_task_getioprio(struct task_struct *p)
1183 {
1184 return 0;
1185 }
1186
security_task_prlimit(const struct cred * cred,const struct cred * tcred,unsigned int flags)1187 static inline int security_task_prlimit(const struct cred *cred,
1188 const struct cred *tcred,
1189 unsigned int flags)
1190 {
1191 return 0;
1192 }
1193
security_task_setrlimit(struct task_struct * p,unsigned int resource,struct rlimit * new_rlim)1194 static inline int security_task_setrlimit(struct task_struct *p,
1195 unsigned int resource,
1196 struct rlimit *new_rlim)
1197 {
1198 return 0;
1199 }
1200
security_task_setscheduler(struct task_struct * p)1201 static inline int security_task_setscheduler(struct task_struct *p)
1202 {
1203 return cap_task_setscheduler(p);
1204 }
1205
security_task_getscheduler(struct task_struct * p)1206 static inline int security_task_getscheduler(struct task_struct *p)
1207 {
1208 return 0;
1209 }
1210
security_task_movememory(struct task_struct * p)1211 static inline int security_task_movememory(struct task_struct *p)
1212 {
1213 return 0;
1214 }
1215
security_task_kill(struct task_struct * p,struct kernel_siginfo * info,int sig,const struct cred * cred)1216 static inline int security_task_kill(struct task_struct *p,
1217 struct kernel_siginfo *info, int sig,
1218 const struct cred *cred)
1219 {
1220 return 0;
1221 }
1222
security_task_prctl(int option,unsigned long arg2,unsigned long arg3,unsigned long arg4,unsigned long arg5)1223 static inline int security_task_prctl(int option, unsigned long arg2,
1224 unsigned long arg3,
1225 unsigned long arg4,
1226 unsigned long arg5)
1227 {
1228 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1229 }
1230
security_task_to_inode(struct task_struct * p,struct inode * inode)1231 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1232 { }
1233
security_create_user_ns(const struct cred * cred)1234 static inline int security_create_user_ns(const struct cred *cred)
1235 {
1236 return 0;
1237 }
1238
security_ipc_permission(struct kern_ipc_perm * ipcp,short flag)1239 static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1240 short flag)
1241 {
1242 return 0;
1243 }
1244
security_ipc_getsecid(struct kern_ipc_perm * ipcp,u32 * secid)1245 static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1246 {
1247 *secid = 0;
1248 }
1249
security_msg_msg_alloc(struct msg_msg * msg)1250 static inline int security_msg_msg_alloc(struct msg_msg *msg)
1251 {
1252 return 0;
1253 }
1254
security_msg_msg_free(struct msg_msg * msg)1255 static inline void security_msg_msg_free(struct msg_msg *msg)
1256 { }
1257
security_msg_queue_alloc(struct kern_ipc_perm * msq)1258 static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1259 {
1260 return 0;
1261 }
1262
security_msg_queue_free(struct kern_ipc_perm * msq)1263 static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1264 { }
1265
security_msg_queue_associate(struct kern_ipc_perm * msq,int msqflg)1266 static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1267 int msqflg)
1268 {
1269 return 0;
1270 }
1271
security_msg_queue_msgctl(struct kern_ipc_perm * msq,int cmd)1272 static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1273 {
1274 return 0;
1275 }
1276
security_msg_queue_msgsnd(struct kern_ipc_perm * msq,struct msg_msg * msg,int msqflg)1277 static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1278 struct msg_msg *msg, int msqflg)
1279 {
1280 return 0;
1281 }
1282
security_msg_queue_msgrcv(struct kern_ipc_perm * msq,struct msg_msg * msg,struct task_struct * target,long type,int mode)1283 static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
1284 struct msg_msg *msg,
1285 struct task_struct *target,
1286 long type, int mode)
1287 {
1288 return 0;
1289 }
1290
security_shm_alloc(struct kern_ipc_perm * shp)1291 static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1292 {
1293 return 0;
1294 }
1295
security_shm_free(struct kern_ipc_perm * shp)1296 static inline void security_shm_free(struct kern_ipc_perm *shp)
1297 { }
1298
security_shm_associate(struct kern_ipc_perm * shp,int shmflg)1299 static inline int security_shm_associate(struct kern_ipc_perm *shp,
1300 int shmflg)
1301 {
1302 return 0;
1303 }
1304
security_shm_shmctl(struct kern_ipc_perm * shp,int cmd)1305 static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1306 {
1307 return 0;
1308 }
1309
security_shm_shmat(struct kern_ipc_perm * shp,char __user * shmaddr,int shmflg)1310 static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1311 char __user *shmaddr, int shmflg)
1312 {
1313 return 0;
1314 }
1315
security_sem_alloc(struct kern_ipc_perm * sma)1316 static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1317 {
1318 return 0;
1319 }
1320
security_sem_free(struct kern_ipc_perm * sma)1321 static inline void security_sem_free(struct kern_ipc_perm *sma)
1322 { }
1323
security_sem_associate(struct kern_ipc_perm * sma,int semflg)1324 static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1325 {
1326 return 0;
1327 }
1328
security_sem_semctl(struct kern_ipc_perm * sma,int cmd)1329 static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1330 {
1331 return 0;
1332 }
1333
security_sem_semop(struct kern_ipc_perm * sma,struct sembuf * sops,unsigned nsops,int alter)1334 static inline int security_sem_semop(struct kern_ipc_perm *sma,
1335 struct sembuf *sops, unsigned nsops,
1336 int alter)
1337 {
1338 return 0;
1339 }
1340
security_d_instantiate(struct dentry * dentry,struct inode * inode)1341 static inline void security_d_instantiate(struct dentry *dentry,
1342 struct inode *inode)
1343 { }
1344
security_getprocattr(struct task_struct * p,const char * lsm,const char * name,char ** value)1345 static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1346 const char *name, char **value)
1347 {
1348 return -EINVAL;
1349 }
1350
security_setprocattr(const char * lsm,char * name,void * value,size_t size)1351 static inline int security_setprocattr(const char *lsm, char *name,
1352 void *value, size_t size)
1353 {
1354 return -EINVAL;
1355 }
1356
security_netlink_send(struct sock * sk,struct sk_buff * skb)1357 static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1358 {
1359 return 0;
1360 }
1361
security_ismaclabel(const char * name)1362 static inline int security_ismaclabel(const char *name)
1363 {
1364 return 0;
1365 }
1366
security_secid_to_secctx(u32 secid,char ** secdata,u32 * seclen)1367 static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1368 {
1369 return -EOPNOTSUPP;
1370 }
1371
security_secctx_to_secid(const char * secdata,u32 seclen,u32 * secid)1372 static inline int security_secctx_to_secid(const char *secdata,
1373 u32 seclen,
1374 u32 *secid)
1375 {
1376 return -EOPNOTSUPP;
1377 }
1378
security_release_secctx(char * secdata,u32 seclen)1379 static inline void security_release_secctx(char *secdata, u32 seclen)
1380 {
1381 }
1382
security_inode_invalidate_secctx(struct inode * inode)1383 static inline void security_inode_invalidate_secctx(struct inode *inode)
1384 {
1385 }
1386
security_inode_notifysecctx(struct inode * inode,void * ctx,u32 ctxlen)1387 static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1388 {
1389 return -EOPNOTSUPP;
1390 }
security_inode_setsecctx(struct dentry * dentry,void * ctx,u32 ctxlen)1391 static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1392 {
1393 return -EOPNOTSUPP;
1394 }
security_inode_getsecctx(struct inode * inode,void ** ctx,u32 * ctxlen)1395 static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1396 {
1397 return -EOPNOTSUPP;
1398 }
security_locked_down(enum lockdown_reason what)1399 static inline int security_locked_down(enum lockdown_reason what)
1400 {
1401 return 0;
1402 }
1403 #endif /* CONFIG_SECURITY */
1404
1405 #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE)
1406 int security_post_notification(const struct cred *w_cred,
1407 const struct cred *cred,
1408 struct watch_notification *n);
1409 #else
security_post_notification(const struct cred * w_cred,const struct cred * cred,struct watch_notification * n)1410 static inline int security_post_notification(const struct cred *w_cred,
1411 const struct cred *cred,
1412 struct watch_notification *n)
1413 {
1414 return 0;
1415 }
1416 #endif
1417
1418 #if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS)
1419 int security_watch_key(struct key *key);
1420 #else
security_watch_key(struct key * key)1421 static inline int security_watch_key(struct key *key)
1422 {
1423 return 0;
1424 }
1425 #endif
1426
1427 #ifdef CONFIG_SECURITY_NETWORK
1428
1429 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1430 int security_unix_may_send(struct socket *sock, struct socket *other);
1431 int security_socket_create(int family, int type, int protocol, int kern);
1432 int security_socket_post_create(struct socket *sock, int family,
1433 int type, int protocol, int kern);
1434 int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1435 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1436 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1437 int security_socket_listen(struct socket *sock, int backlog);
1438 int security_socket_accept(struct socket *sock, struct socket *newsock);
1439 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1440 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1441 int size, int flags);
1442 int security_socket_getsockname(struct socket *sock);
1443 int security_socket_getpeername(struct socket *sock);
1444 int security_socket_getsockopt(struct socket *sock, int level, int optname);
1445 int security_socket_setsockopt(struct socket *sock, int level, int optname);
1446 int security_socket_shutdown(struct socket *sock, int how);
1447 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1448 int security_socket_getpeersec_stream(struct socket *sock, sockptr_t optval,
1449 sockptr_t optlen, unsigned int len);
1450 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1451 int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1452 void security_sk_free(struct sock *sk);
1453 void security_sk_clone(const struct sock *sk, struct sock *newsk);
1454 void security_sk_classify_flow(struct sock *sk, struct flowi_common *flic);
1455 void security_req_classify_flow(const struct request_sock *req,
1456 struct flowi_common *flic);
1457 void security_sock_graft(struct sock*sk, struct socket *parent);
1458 int security_inet_conn_request(const struct sock *sk,
1459 struct sk_buff *skb, struct request_sock *req);
1460 void security_inet_csk_clone(struct sock *newsk,
1461 const struct request_sock *req);
1462 void security_inet_conn_established(struct sock *sk,
1463 struct sk_buff *skb);
1464 int security_secmark_relabel_packet(u32 secid);
1465 void security_secmark_refcount_inc(void);
1466 void security_secmark_refcount_dec(void);
1467 int security_tun_dev_alloc_security(void **security);
1468 void security_tun_dev_free_security(void *security);
1469 int security_tun_dev_create(void);
1470 int security_tun_dev_attach_queue(void *security);
1471 int security_tun_dev_attach(struct sock *sk, void *security);
1472 int security_tun_dev_open(void *security);
1473 int security_sctp_assoc_request(struct sctp_association *asoc, struct sk_buff *skb);
1474 int security_sctp_bind_connect(struct sock *sk, int optname,
1475 struct sockaddr *address, int addrlen);
1476 void security_sctp_sk_clone(struct sctp_association *asoc, struct sock *sk,
1477 struct sock *newsk);
1478 int security_sctp_assoc_established(struct sctp_association *asoc,
1479 struct sk_buff *skb);
1480
1481 #else /* CONFIG_SECURITY_NETWORK */
security_unix_stream_connect(struct sock * sock,struct sock * other,struct sock * newsk)1482 static inline int security_unix_stream_connect(struct sock *sock,
1483 struct sock *other,
1484 struct sock *newsk)
1485 {
1486 return 0;
1487 }
1488
security_unix_may_send(struct socket * sock,struct socket * other)1489 static inline int security_unix_may_send(struct socket *sock,
1490 struct socket *other)
1491 {
1492 return 0;
1493 }
1494
security_socket_create(int family,int type,int protocol,int kern)1495 static inline int security_socket_create(int family, int type,
1496 int protocol, int kern)
1497 {
1498 return 0;
1499 }
1500
security_socket_post_create(struct socket * sock,int family,int type,int protocol,int kern)1501 static inline int security_socket_post_create(struct socket *sock,
1502 int family,
1503 int type,
1504 int protocol, int kern)
1505 {
1506 return 0;
1507 }
1508
security_socket_socketpair(struct socket * socka,struct socket * sockb)1509 static inline int security_socket_socketpair(struct socket *socka,
1510 struct socket *sockb)
1511 {
1512 return 0;
1513 }
1514
security_socket_bind(struct socket * sock,struct sockaddr * address,int addrlen)1515 static inline int security_socket_bind(struct socket *sock,
1516 struct sockaddr *address,
1517 int addrlen)
1518 {
1519 return 0;
1520 }
1521
security_socket_connect(struct socket * sock,struct sockaddr * address,int addrlen)1522 static inline int security_socket_connect(struct socket *sock,
1523 struct sockaddr *address,
1524 int addrlen)
1525 {
1526 return 0;
1527 }
1528
security_socket_listen(struct socket * sock,int backlog)1529 static inline int security_socket_listen(struct socket *sock, int backlog)
1530 {
1531 return 0;
1532 }
1533
security_socket_accept(struct socket * sock,struct socket * newsock)1534 static inline int security_socket_accept(struct socket *sock,
1535 struct socket *newsock)
1536 {
1537 return 0;
1538 }
1539
security_socket_sendmsg(struct socket * sock,struct msghdr * msg,int size)1540 static inline int security_socket_sendmsg(struct socket *sock,
1541 struct msghdr *msg, int size)
1542 {
1543 return 0;
1544 }
1545
security_socket_recvmsg(struct socket * sock,struct msghdr * msg,int size,int flags)1546 static inline int security_socket_recvmsg(struct socket *sock,
1547 struct msghdr *msg, int size,
1548 int flags)
1549 {
1550 return 0;
1551 }
1552
security_socket_getsockname(struct socket * sock)1553 static inline int security_socket_getsockname(struct socket *sock)
1554 {
1555 return 0;
1556 }
1557
security_socket_getpeername(struct socket * sock)1558 static inline int security_socket_getpeername(struct socket *sock)
1559 {
1560 return 0;
1561 }
1562
security_socket_getsockopt(struct socket * sock,int level,int optname)1563 static inline int security_socket_getsockopt(struct socket *sock,
1564 int level, int optname)
1565 {
1566 return 0;
1567 }
1568
security_socket_setsockopt(struct socket * sock,int level,int optname)1569 static inline int security_socket_setsockopt(struct socket *sock,
1570 int level, int optname)
1571 {
1572 return 0;
1573 }
1574
security_socket_shutdown(struct socket * sock,int how)1575 static inline int security_socket_shutdown(struct socket *sock, int how)
1576 {
1577 return 0;
1578 }
security_sock_rcv_skb(struct sock * sk,struct sk_buff * skb)1579 static inline int security_sock_rcv_skb(struct sock *sk,
1580 struct sk_buff *skb)
1581 {
1582 return 0;
1583 }
1584
security_socket_getpeersec_stream(struct socket * sock,sockptr_t optval,sockptr_t optlen,unsigned int len)1585 static inline int security_socket_getpeersec_stream(struct socket *sock,
1586 sockptr_t optval,
1587 sockptr_t optlen,
1588 unsigned int len)
1589 {
1590 return -ENOPROTOOPT;
1591 }
1592
security_socket_getpeersec_dgram(struct socket * sock,struct sk_buff * skb,u32 * secid)1593 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1594 {
1595 return -ENOPROTOOPT;
1596 }
1597
security_sk_alloc(struct sock * sk,int family,gfp_t priority)1598 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1599 {
1600 return 0;
1601 }
1602
security_sk_free(struct sock * sk)1603 static inline void security_sk_free(struct sock *sk)
1604 {
1605 }
1606
security_sk_clone(const struct sock * sk,struct sock * newsk)1607 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1608 {
1609 }
1610
security_sk_classify_flow(struct sock * sk,struct flowi_common * flic)1611 static inline void security_sk_classify_flow(struct sock *sk,
1612 struct flowi_common *flic)
1613 {
1614 }
1615
security_req_classify_flow(const struct request_sock * req,struct flowi_common * flic)1616 static inline void security_req_classify_flow(const struct request_sock *req,
1617 struct flowi_common *flic)
1618 {
1619 }
1620
security_sock_graft(struct sock * sk,struct socket * parent)1621 static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1622 {
1623 }
1624
security_inet_conn_request(const struct sock * sk,struct sk_buff * skb,struct request_sock * req)1625 static inline int security_inet_conn_request(const struct sock *sk,
1626 struct sk_buff *skb, struct request_sock *req)
1627 {
1628 return 0;
1629 }
1630
security_inet_csk_clone(struct sock * newsk,const struct request_sock * req)1631 static inline void security_inet_csk_clone(struct sock *newsk,
1632 const struct request_sock *req)
1633 {
1634 }
1635
security_inet_conn_established(struct sock * sk,struct sk_buff * skb)1636 static inline void security_inet_conn_established(struct sock *sk,
1637 struct sk_buff *skb)
1638 {
1639 }
1640
security_secmark_relabel_packet(u32 secid)1641 static inline int security_secmark_relabel_packet(u32 secid)
1642 {
1643 return 0;
1644 }
1645
security_secmark_refcount_inc(void)1646 static inline void security_secmark_refcount_inc(void)
1647 {
1648 }
1649
security_secmark_refcount_dec(void)1650 static inline void security_secmark_refcount_dec(void)
1651 {
1652 }
1653
security_tun_dev_alloc_security(void ** security)1654 static inline int security_tun_dev_alloc_security(void **security)
1655 {
1656 return 0;
1657 }
1658
security_tun_dev_free_security(void * security)1659 static inline void security_tun_dev_free_security(void *security)
1660 {
1661 }
1662
security_tun_dev_create(void)1663 static inline int security_tun_dev_create(void)
1664 {
1665 return 0;
1666 }
1667
security_tun_dev_attach_queue(void * security)1668 static inline int security_tun_dev_attach_queue(void *security)
1669 {
1670 return 0;
1671 }
1672
security_tun_dev_attach(struct sock * sk,void * security)1673 static inline int security_tun_dev_attach(struct sock *sk, void *security)
1674 {
1675 return 0;
1676 }
1677
security_tun_dev_open(void * security)1678 static inline int security_tun_dev_open(void *security)
1679 {
1680 return 0;
1681 }
1682
security_sctp_assoc_request(struct sctp_association * asoc,struct sk_buff * skb)1683 static inline int security_sctp_assoc_request(struct sctp_association *asoc,
1684 struct sk_buff *skb)
1685 {
1686 return 0;
1687 }
1688
security_sctp_bind_connect(struct sock * sk,int optname,struct sockaddr * address,int addrlen)1689 static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1690 struct sockaddr *address,
1691 int addrlen)
1692 {
1693 return 0;
1694 }
1695
security_sctp_sk_clone(struct sctp_association * asoc,struct sock * sk,struct sock * newsk)1696 static inline void security_sctp_sk_clone(struct sctp_association *asoc,
1697 struct sock *sk,
1698 struct sock *newsk)
1699 {
1700 }
1701
security_sctp_assoc_established(struct sctp_association * asoc,struct sk_buff * skb)1702 static inline int security_sctp_assoc_established(struct sctp_association *asoc,
1703 struct sk_buff *skb)
1704 {
1705 return 0;
1706 }
1707 #endif /* CONFIG_SECURITY_NETWORK */
1708
1709 #ifdef CONFIG_SECURITY_INFINIBAND
1710 int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1711 int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1712 int security_ib_alloc_security(void **sec);
1713 void security_ib_free_security(void *sec);
1714 #else /* CONFIG_SECURITY_INFINIBAND */
security_ib_pkey_access(void * sec,u64 subnet_prefix,u16 pkey)1715 static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1716 {
1717 return 0;
1718 }
1719
security_ib_endport_manage_subnet(void * sec,const char * dev_name,u8 port_num)1720 static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1721 {
1722 return 0;
1723 }
1724
security_ib_alloc_security(void ** sec)1725 static inline int security_ib_alloc_security(void **sec)
1726 {
1727 return 0;
1728 }
1729
security_ib_free_security(void * sec)1730 static inline void security_ib_free_security(void *sec)
1731 {
1732 }
1733 #endif /* CONFIG_SECURITY_INFINIBAND */
1734
1735 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1736
1737 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1738 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1739 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1740 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1741 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1742 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1743 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1744 struct xfrm_sec_ctx *polsec, u32 secid);
1745 int security_xfrm_state_delete(struct xfrm_state *x);
1746 void security_xfrm_state_free(struct xfrm_state *x);
1747 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid);
1748 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1749 struct xfrm_policy *xp,
1750 const struct flowi_common *flic);
1751 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1752 void security_skb_classify_flow(struct sk_buff *skb, struct flowi_common *flic);
1753
1754 #else /* CONFIG_SECURITY_NETWORK_XFRM */
1755
security_xfrm_policy_alloc(struct xfrm_sec_ctx ** ctxp,struct xfrm_user_sec_ctx * sec_ctx,gfp_t gfp)1756 static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1757 struct xfrm_user_sec_ctx *sec_ctx,
1758 gfp_t gfp)
1759 {
1760 return 0;
1761 }
1762
security_xfrm_policy_clone(struct xfrm_sec_ctx * old,struct xfrm_sec_ctx ** new_ctxp)1763 static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1764 {
1765 return 0;
1766 }
1767
security_xfrm_policy_free(struct xfrm_sec_ctx * ctx)1768 static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1769 {
1770 }
1771
security_xfrm_policy_delete(struct xfrm_sec_ctx * ctx)1772 static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1773 {
1774 return 0;
1775 }
1776
security_xfrm_state_alloc(struct xfrm_state * x,struct xfrm_user_sec_ctx * sec_ctx)1777 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1778 struct xfrm_user_sec_ctx *sec_ctx)
1779 {
1780 return 0;
1781 }
1782
security_xfrm_state_alloc_acquire(struct xfrm_state * x,struct xfrm_sec_ctx * polsec,u32 secid)1783 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1784 struct xfrm_sec_ctx *polsec, u32 secid)
1785 {
1786 return 0;
1787 }
1788
security_xfrm_state_free(struct xfrm_state * x)1789 static inline void security_xfrm_state_free(struct xfrm_state *x)
1790 {
1791 }
1792
security_xfrm_state_delete(struct xfrm_state * x)1793 static inline int security_xfrm_state_delete(struct xfrm_state *x)
1794 {
1795 return 0;
1796 }
1797
security_xfrm_policy_lookup(struct xfrm_sec_ctx * ctx,u32 fl_secid)1798 static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid)
1799 {
1800 return 0;
1801 }
1802
security_xfrm_state_pol_flow_match(struct xfrm_state * x,struct xfrm_policy * xp,const struct flowi_common * flic)1803 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1804 struct xfrm_policy *xp,
1805 const struct flowi_common *flic)
1806 {
1807 return 1;
1808 }
1809
security_xfrm_decode_session(struct sk_buff * skb,u32 * secid)1810 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1811 {
1812 return 0;
1813 }
1814
security_skb_classify_flow(struct sk_buff * skb,struct flowi_common * flic)1815 static inline void security_skb_classify_flow(struct sk_buff *skb,
1816 struct flowi_common *flic)
1817 {
1818 }
1819
1820 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1821
1822 #ifdef CONFIG_SECURITY_PATH
1823 int security_path_unlink(const struct path *dir, struct dentry *dentry);
1824 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1825 int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1826 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1827 unsigned int dev);
1828 int security_path_truncate(const struct path *path);
1829 int security_path_symlink(const struct path *dir, struct dentry *dentry,
1830 const char *old_name);
1831 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1832 struct dentry *new_dentry);
1833 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1834 const struct path *new_dir, struct dentry *new_dentry,
1835 unsigned int flags);
1836 int security_path_chmod(const struct path *path, umode_t mode);
1837 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1838 int security_path_chroot(const struct path *path);
1839 #else /* CONFIG_SECURITY_PATH */
security_path_unlink(const struct path * dir,struct dentry * dentry)1840 static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1841 {
1842 return 0;
1843 }
1844
security_path_mkdir(const struct path * dir,struct dentry * dentry,umode_t mode)1845 static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1846 umode_t mode)
1847 {
1848 return 0;
1849 }
1850
security_path_rmdir(const struct path * dir,struct dentry * dentry)1851 static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1852 {
1853 return 0;
1854 }
1855
security_path_mknod(const struct path * dir,struct dentry * dentry,umode_t mode,unsigned int dev)1856 static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1857 umode_t mode, unsigned int dev)
1858 {
1859 return 0;
1860 }
1861
security_path_truncate(const struct path * path)1862 static inline int security_path_truncate(const struct path *path)
1863 {
1864 return 0;
1865 }
1866
security_path_symlink(const struct path * dir,struct dentry * dentry,const char * old_name)1867 static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1868 const char *old_name)
1869 {
1870 return 0;
1871 }
1872
security_path_link(struct dentry * old_dentry,const struct path * new_dir,struct dentry * new_dentry)1873 static inline int security_path_link(struct dentry *old_dentry,
1874 const struct path *new_dir,
1875 struct dentry *new_dentry)
1876 {
1877 return 0;
1878 }
1879
security_path_rename(const struct path * old_dir,struct dentry * old_dentry,const struct path * new_dir,struct dentry * new_dentry,unsigned int flags)1880 static inline int security_path_rename(const struct path *old_dir,
1881 struct dentry *old_dentry,
1882 const struct path *new_dir,
1883 struct dentry *new_dentry,
1884 unsigned int flags)
1885 {
1886 return 0;
1887 }
1888
security_path_chmod(const struct path * path,umode_t mode)1889 static inline int security_path_chmod(const struct path *path, umode_t mode)
1890 {
1891 return 0;
1892 }
1893
security_path_chown(const struct path * path,kuid_t uid,kgid_t gid)1894 static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1895 {
1896 return 0;
1897 }
1898
security_path_chroot(const struct path * path)1899 static inline int security_path_chroot(const struct path *path)
1900 {
1901 return 0;
1902 }
1903 #endif /* CONFIG_SECURITY_PATH */
1904
1905 #ifdef CONFIG_KEYS
1906 #ifdef CONFIG_SECURITY
1907
1908 int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1909 void security_key_free(struct key *key);
1910 int security_key_permission(key_ref_t key_ref, const struct cred *cred,
1911 enum key_need_perm need_perm);
1912 int security_key_getsecurity(struct key *key, char **_buffer);
1913
1914 #else
1915
security_key_alloc(struct key * key,const struct cred * cred,unsigned long flags)1916 static inline int security_key_alloc(struct key *key,
1917 const struct cred *cred,
1918 unsigned long flags)
1919 {
1920 return 0;
1921 }
1922
security_key_free(struct key * key)1923 static inline void security_key_free(struct key *key)
1924 {
1925 }
1926
security_key_permission(key_ref_t key_ref,const struct cred * cred,enum key_need_perm need_perm)1927 static inline int security_key_permission(key_ref_t key_ref,
1928 const struct cred *cred,
1929 enum key_need_perm need_perm)
1930 {
1931 return 0;
1932 }
1933
security_key_getsecurity(struct key * key,char ** _buffer)1934 static inline int security_key_getsecurity(struct key *key, char **_buffer)
1935 {
1936 *_buffer = NULL;
1937 return 0;
1938 }
1939
1940 #endif
1941 #endif /* CONFIG_KEYS */
1942
1943 #ifdef CONFIG_AUDIT
1944 #ifdef CONFIG_SECURITY
1945 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1946 int security_audit_rule_known(struct audit_krule *krule);
1947 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1948 void security_audit_rule_free(void *lsmrule);
1949
1950 #else
1951
security_audit_rule_init(u32 field,u32 op,char * rulestr,void ** lsmrule)1952 static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1953 void **lsmrule)
1954 {
1955 return 0;
1956 }
1957
security_audit_rule_known(struct audit_krule * krule)1958 static inline int security_audit_rule_known(struct audit_krule *krule)
1959 {
1960 return 0;
1961 }
1962
security_audit_rule_match(u32 secid,u32 field,u32 op,void * lsmrule)1963 static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1964 void *lsmrule)
1965 {
1966 return 0;
1967 }
1968
security_audit_rule_free(void * lsmrule)1969 static inline void security_audit_rule_free(void *lsmrule)
1970 { }
1971
1972 #endif /* CONFIG_SECURITY */
1973 #endif /* CONFIG_AUDIT */
1974
1975 #ifdef CONFIG_SECURITYFS
1976
1977 extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1978 struct dentry *parent, void *data,
1979 const struct file_operations *fops);
1980 extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1981 struct dentry *securityfs_create_symlink(const char *name,
1982 struct dentry *parent,
1983 const char *target,
1984 const struct inode_operations *iops);
1985 extern void securityfs_remove(struct dentry *dentry);
1986
1987 #else /* CONFIG_SECURITYFS */
1988
securityfs_create_dir(const char * name,struct dentry * parent)1989 static inline struct dentry *securityfs_create_dir(const char *name,
1990 struct dentry *parent)
1991 {
1992 return ERR_PTR(-ENODEV);
1993 }
1994
securityfs_create_file(const char * name,umode_t mode,struct dentry * parent,void * data,const struct file_operations * fops)1995 static inline struct dentry *securityfs_create_file(const char *name,
1996 umode_t mode,
1997 struct dentry *parent,
1998 void *data,
1999 const struct file_operations *fops)
2000 {
2001 return ERR_PTR(-ENODEV);
2002 }
2003
securityfs_create_symlink(const char * name,struct dentry * parent,const char * target,const struct inode_operations * iops)2004 static inline struct dentry *securityfs_create_symlink(const char *name,
2005 struct dentry *parent,
2006 const char *target,
2007 const struct inode_operations *iops)
2008 {
2009 return ERR_PTR(-ENODEV);
2010 }
2011
securityfs_remove(struct dentry * dentry)2012 static inline void securityfs_remove(struct dentry *dentry)
2013 {}
2014
2015 #endif
2016
2017 #ifdef CONFIG_BPF_SYSCALL
2018 union bpf_attr;
2019 struct bpf_map;
2020 struct bpf_prog;
2021 struct bpf_prog_aux;
2022 #ifdef CONFIG_SECURITY
2023 extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
2024 extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
2025 extern int security_bpf_prog(struct bpf_prog *prog);
2026 extern int security_bpf_map_alloc(struct bpf_map *map);
2027 extern void security_bpf_map_free(struct bpf_map *map);
2028 extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
2029 extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
2030 #else
security_bpf(int cmd,union bpf_attr * attr,unsigned int size)2031 static inline int security_bpf(int cmd, union bpf_attr *attr,
2032 unsigned int size)
2033 {
2034 return 0;
2035 }
2036
security_bpf_map(struct bpf_map * map,fmode_t fmode)2037 static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
2038 {
2039 return 0;
2040 }
2041
security_bpf_prog(struct bpf_prog * prog)2042 static inline int security_bpf_prog(struct bpf_prog *prog)
2043 {
2044 return 0;
2045 }
2046
security_bpf_map_alloc(struct bpf_map * map)2047 static inline int security_bpf_map_alloc(struct bpf_map *map)
2048 {
2049 return 0;
2050 }
2051
security_bpf_map_free(struct bpf_map * map)2052 static inline void security_bpf_map_free(struct bpf_map *map)
2053 { }
2054
security_bpf_prog_alloc(struct bpf_prog_aux * aux)2055 static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
2056 {
2057 return 0;
2058 }
2059
security_bpf_prog_free(struct bpf_prog_aux * aux)2060 static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
2061 { }
2062 #endif /* CONFIG_SECURITY */
2063 #endif /* CONFIG_BPF_SYSCALL */
2064
2065 #ifdef CONFIG_PERF_EVENTS
2066 struct perf_event_attr;
2067 struct perf_event;
2068
2069 #ifdef CONFIG_SECURITY
2070 extern int security_perf_event_open(struct perf_event_attr *attr, int type);
2071 extern int security_perf_event_alloc(struct perf_event *event);
2072 extern void security_perf_event_free(struct perf_event *event);
2073 extern int security_perf_event_read(struct perf_event *event);
2074 extern int security_perf_event_write(struct perf_event *event);
2075 #else
security_perf_event_open(struct perf_event_attr * attr,int type)2076 static inline int security_perf_event_open(struct perf_event_attr *attr,
2077 int type)
2078 {
2079 return 0;
2080 }
2081
security_perf_event_alloc(struct perf_event * event)2082 static inline int security_perf_event_alloc(struct perf_event *event)
2083 {
2084 return 0;
2085 }
2086
security_perf_event_free(struct perf_event * event)2087 static inline void security_perf_event_free(struct perf_event *event)
2088 {
2089 }
2090
security_perf_event_read(struct perf_event * event)2091 static inline int security_perf_event_read(struct perf_event *event)
2092 {
2093 return 0;
2094 }
2095
security_perf_event_write(struct perf_event * event)2096 static inline int security_perf_event_write(struct perf_event *event)
2097 {
2098 return 0;
2099 }
2100 #endif /* CONFIG_SECURITY */
2101 #endif /* CONFIG_PERF_EVENTS */
2102
2103 #ifdef CONFIG_IO_URING
2104 #ifdef CONFIG_SECURITY
2105 extern int security_uring_override_creds(const struct cred *new);
2106 extern int security_uring_sqpoll(void);
2107 extern int security_uring_cmd(struct io_uring_cmd *ioucmd);
2108 #else
security_uring_override_creds(const struct cred * new)2109 static inline int security_uring_override_creds(const struct cred *new)
2110 {
2111 return 0;
2112 }
security_uring_sqpoll(void)2113 static inline int security_uring_sqpoll(void)
2114 {
2115 return 0;
2116 }
security_uring_cmd(struct io_uring_cmd * ioucmd)2117 static inline int security_uring_cmd(struct io_uring_cmd *ioucmd)
2118 {
2119 return 0;
2120 }
2121 #endif /* CONFIG_SECURITY */
2122 #endif /* CONFIG_IO_URING */
2123
2124 #endif /* ! __LINUX_SECURITY_H */
2125