Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
36struct linux_binprm;
37struct cred;
38struct rlimit;
39struct kernel_siginfo;
40struct sembuf;
41struct kern_ipc_perm;
42struct audit_context;
43struct super_block;
44struct inode;
45struct dentry;
46struct file;
47struct vfsmount;
48struct path;
49struct qstr;
50struct iattr;
51struct fown_struct;
52struct file_operations;
53struct msg_msg;
54struct xattr;
55struct kernfs_node;
56struct xfrm_sec_ctx;
57struct mm_struct;
58struct fs_context;
59struct fs_parameter;
60enum fs_value_type;
61struct watch;
62struct 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
74struct ctl_table;
75struct audit_krule;
76struct user_namespace;
77struct timezone;
78
79enum 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 */
107enum 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
140extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1];
141
142/* These functions are in security/commoncap.c */
143extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
144 int cap, unsigned int opts);
145extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
146extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
147extern int cap_ptrace_traceme(struct task_struct *parent);
148extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
149extern 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);
153extern int cap_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
154int cap_inode_setxattr(struct dentry *dentry, const char *name,
155 const void *value, size_t size, int flags);
156int cap_inode_removexattr(struct mnt_idmap *idmap,
157 struct dentry *dentry, const char *name);
158int cap_inode_need_killpriv(struct dentry *dentry);
159int cap_inode_killpriv(struct mnt_idmap *idmap, struct dentry *dentry);
160int cap_inode_getsecurity(struct mnt_idmap *idmap,
161 struct inode *inode, const char *name, void **buffer,
162 bool alloc);
163extern int cap_mmap_addr(unsigned long addr);
164extern int cap_mmap_file(struct file *file, unsigned long reqprot,
165 unsigned long prot, unsigned long flags);
166extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
167extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
168 unsigned long arg4, unsigned long arg5);
169extern int cap_task_setscheduler(struct task_struct *p);
170extern int cap_task_setioprio(struct task_struct *p, int ioprio);
171extern int cap_task_setnice(struct task_struct *p, int nice);
172extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
173
174struct msghdr;
175struct sk_buff;
176struct sock;
177struct sockaddr;
178struct socket;
179struct flowi_common;
180struct dst_entry;
181struct xfrm_selector;
182struct xfrm_policy;
183struct xfrm_state;
184struct xfrm_user_sec_ctx;
185struct seq_file;
186struct sctp_association;
187
188#ifdef CONFIG_MMU
189extern unsigned long mmap_min_addr;
190extern 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 */
216struct sched_param;
217struct 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
225extern 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 */
230typedef 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
238enum kernel_load_data_id {
239 __kernel_read_file_id(__data_id_enumify)
240};
241
242static const char * const kernel_load_data_str[] = {
243 __kernel_read_file_id(__data_id_stringify)
244};
245
246static 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
256int call_blocking_lsm_notifier(enum lsm_event event, void *data);
257int register_blocking_lsm_notifier(struct notifier_block *nb);
258int unregister_blocking_lsm_notifier(struct notifier_block *nb);
259
260/* prototypes */
261extern int security_init(void);
262extern int early_security_init(void);
263
264/* Security operations */
265int security_binder_set_context_mgr(const struct cred *mgr);
266int security_binder_transaction(const struct cred *from,
267 const struct cred *to);
268int security_binder_transfer_binder(const struct cred *from,
269 const struct cred *to);
270int security_binder_transfer_file(const struct cred *from,
271 const struct cred *to, struct file *file);
272int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
273int security_ptrace_traceme(struct task_struct *parent);
274int security_capget(struct task_struct *target,
275 kernel_cap_t *effective,
276 kernel_cap_t *inheritable,
277 kernel_cap_t *permitted);
278int 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);
282int security_capable(const struct cred *cred,
283 struct user_namespace *ns,
284 int cap,
285 unsigned int opts);
286int security_quotactl(int cmds, int type, int id, struct super_block *sb);
287int security_quota_on(struct dentry *dentry);
288int security_syslog(int type);
289int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
290int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
291int security_bprm_creds_for_exec(struct linux_binprm *bprm);
292int security_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
293int security_bprm_check(struct linux_binprm *bprm);
294void security_bprm_committing_creds(struct linux_binprm *bprm);
295void security_bprm_committed_creds(struct linux_binprm *bprm);
296int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
297int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
298int security_sb_alloc(struct super_block *sb);
299void security_sb_delete(struct super_block *sb);
300void security_sb_free(struct super_block *sb);
301void security_free_mnt_opts(void **mnt_opts);
302int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
303int security_sb_mnt_opts_compat(struct super_block *sb, void *mnt_opts);
304int security_sb_remount(struct super_block *sb, void *mnt_opts);
305int security_sb_kern_mount(struct super_block *sb);
306int security_sb_show_options(struct seq_file *m, struct super_block *sb);
307int security_sb_statfs(struct dentry *dentry);
308int security_sb_mount(const char *dev_name, const struct path *path,
309 const char *type, unsigned long flags, void *data);
310int security_sb_umount(struct vfsmount *mnt, int flags);
311int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
312int security_sb_set_mnt_opts(struct super_block *sb,
313 void *mnt_opts,
314 unsigned long kern_flags,
315 unsigned long *set_kern_flags);
316int 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);
320int security_move_mount(const struct path *from_path, const struct path *to_path);
321int security_dentry_init_security(struct dentry *dentry, int mode,
322 const struct qstr *name,
323 const char **xattr_name, void **ctx,
324 u32 *ctxlen);
325int security_dentry_create_files_as(struct dentry *dentry, int mode,
326 struct qstr *name,
327 const struct cred *old,
328 struct cred *new);
329int security_path_notify(const struct path *path, u64 mask,
330 unsigned int obj_type);
331int security_inode_alloc(struct inode *inode);
332void security_inode_free(struct inode *inode);
333int security_inode_init_security(struct inode *inode, struct inode *dir,
334 const struct qstr *qstr,
335 initxattrs initxattrs, void *fs_data);
336int security_inode_init_security_anon(struct inode *inode,
337 const struct qstr *name,
338 const struct inode *context_inode);
339int 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);
342int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
343int security_inode_link(struct dentry *old_dentry, struct inode *dir,
344 struct dentry *new_dentry);
345int security_inode_unlink(struct inode *dir, struct dentry *dentry);
346int security_inode_symlink(struct inode *dir, struct dentry *dentry,
347 const char *old_name);
348int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
349int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
350int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
351int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
352 struct inode *new_dir, struct dentry *new_dentry,
353 unsigned int flags);
354int security_inode_readlink(struct dentry *dentry);
355int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
356 bool rcu);
357int security_inode_permission(struct inode *inode, int mask);
358int security_inode_setattr(struct mnt_idmap *idmap,
359 struct dentry *dentry, struct iattr *attr);
360int security_inode_getattr(const struct path *path);
361int security_inode_setxattr(struct mnt_idmap *idmap,
362 struct dentry *dentry, const char *name,
363 const void *value, size_t size, int flags);
364int security_inode_set_acl(struct mnt_idmap *idmap,
365 struct dentry *dentry, const char *acl_name,
366 struct posix_acl *kacl);
367int security_inode_get_acl(struct mnt_idmap *idmap,
368 struct dentry *dentry, const char *acl_name);
369int security_inode_remove_acl(struct mnt_idmap *idmap,
370 struct dentry *dentry, const char *acl_name);
371void security_inode_post_setxattr(struct dentry *dentry, const char *name,
372 const void *value, size_t size, int flags);
373int security_inode_getxattr(struct dentry *dentry, const char *name);
374int security_inode_listxattr(struct dentry *dentry);
375int security_inode_removexattr(struct mnt_idmap *idmap,
376 struct dentry *dentry, const char *name);
377int security_inode_need_killpriv(struct dentry *dentry);
378int security_inode_killpriv(struct mnt_idmap *idmap, struct dentry *dentry);
379int security_inode_getsecurity(struct mnt_idmap *idmap,
380 struct inode *inode, const char *name,
381 void **buffer, bool alloc);
382int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
383int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
384void security_inode_getsecid(struct inode *inode, u32 *secid);
385int security_inode_copy_up(struct dentry *src, struct cred **new);
386int security_inode_copy_up_xattr(const char *name);
387int security_kernfs_init_security(struct kernfs_node *kn_dir,
388 struct kernfs_node *kn);
389int security_file_permission(struct file *file, int mask);
390int security_file_alloc(struct file *file);
391void security_file_free(struct file *file);
392int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
393int security_mmap_file(struct file *file, unsigned long prot,
394 unsigned long flags);
395int security_mmap_addr(unsigned long addr);
396int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
397 unsigned long prot);
398int security_file_lock(struct file *file, unsigned int cmd);
399int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
400void security_file_set_fowner(struct file *file);
401int security_file_send_sigiotask(struct task_struct *tsk,
402 struct fown_struct *fown, int sig);
403int security_file_receive(struct file *file);
404int security_file_open(struct file *file);
405int security_file_truncate(struct file *file);
406int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
407void security_task_free(struct task_struct *task);
408int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
409void security_cred_free(struct cred *cred);
410int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
411void security_transfer_creds(struct cred *new, const struct cred *old);
412void security_cred_getsecid(const struct cred *c, u32 *secid);
413int security_kernel_act_as(struct cred *new, u32 secid);
414int security_kernel_create_files_as(struct cred *new, struct inode *inode);
415int security_kernel_module_request(char *kmod_name);
416int security_kernel_load_data(enum kernel_load_data_id id, bool contents);
417int security_kernel_post_load_data(char *buf, loff_t size,
418 enum kernel_load_data_id id,
419 char *description);
420int security_kernel_read_file(struct file *file, enum kernel_read_file_id id,
421 bool contents);
422int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
423 enum kernel_read_file_id id);
424int security_task_fix_setuid(struct cred *new, const struct cred *old,
425 int flags);
426int security_task_fix_setgid(struct cred *new, const struct cred *old,
427 int flags);
428int security_task_fix_setgroups(struct cred *new, const struct cred *old);
429int security_task_setpgid(struct task_struct *p, pid_t pgid);
430int security_task_getpgid(struct task_struct *p);
431int security_task_getsid(struct task_struct *p);
432void security_current_getsecid_subj(u32 *secid);
433void security_task_getsecid_obj(struct task_struct *p, u32 *secid);
434int security_task_setnice(struct task_struct *p, int nice);
435int security_task_setioprio(struct task_struct *p, int ioprio);
436int security_task_getioprio(struct task_struct *p);
437int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
438 unsigned int flags);
439int security_task_setrlimit(struct task_struct *p, unsigned int resource,
440 struct rlimit *new_rlim);
441int security_task_setscheduler(struct task_struct *p);
442int security_task_getscheduler(struct task_struct *p);
443int security_task_movememory(struct task_struct *p);
444int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
445 int sig, const struct cred *cred);
446int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
447 unsigned long arg4, unsigned long arg5);
448void security_task_to_inode(struct task_struct *p, struct inode *inode);
449int security_create_user_ns(const struct cred *cred);
450int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
451void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
452int security_msg_msg_alloc(struct msg_msg *msg);
453void security_msg_msg_free(struct msg_msg *msg);
454int security_msg_queue_alloc(struct kern_ipc_perm *msq);
455void security_msg_queue_free(struct kern_ipc_perm *msq);
456int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
457int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
458int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
459 struct msg_msg *msg, int msqflg);
460int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
461 struct task_struct *target, long type, int mode);
462int security_shm_alloc(struct kern_ipc_perm *shp);
463void security_shm_free(struct kern_ipc_perm *shp);
464int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
465int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
466int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
467int security_sem_alloc(struct kern_ipc_perm *sma);
468void security_sem_free(struct kern_ipc_perm *sma);
469int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
470int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
471int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
472 unsigned nsops, int alter);
473void security_d_instantiate(struct dentry *dentry, struct inode *inode);
474int security_getprocattr(struct task_struct *p, const char *lsm, const char *name,
475 char **value);
476int security_setprocattr(const char *lsm, const char *name, void *value,
477 size_t size);
478int security_netlink_send(struct sock *sk, struct sk_buff *skb);
479int security_ismaclabel(const char *name);
480int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
481int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
482void security_release_secctx(char *secdata, u32 seclen);
483void security_inode_invalidate_secctx(struct inode *inode);
484int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
485int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
486int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
487int security_locked_down(enum lockdown_reason what);
488#else /* CONFIG_SECURITY */
489
490static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
491{
492 return 0;
493}
494
495static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
496{
497 return 0;
498}
499
500static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb)
501{
502 return 0;
503}
504
505static 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
514static inline int security_init(void)
515{
516 return 0;
517}
518
519static inline int early_security_init(void)
520{
521 return 0;
522}
523
524static inline int security_binder_set_context_mgr(const struct cred *mgr)
525{
526 return 0;
527}
528
529static inline int security_binder_transaction(const struct cred *from,
530 const struct cred *to)
531{
532 return 0;
533}
534
535static inline int security_binder_transfer_binder(const struct cred *from,
536 const struct cred *to)
537{
538 return 0;
539}
540
541static 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
548static 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
554static inline int security_ptrace_traceme(struct task_struct *parent)
555{
556 return cap_ptrace_traceme(parent);
557}
558
559static 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
567static 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
576static 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
584static inline int security_quotactl(int cmds, int type, int id,
585 struct super_block *sb)
586{
587 return 0;
588}
589
590static inline int security_quota_on(struct dentry *dentry)
591{
592 return 0;
593}
594
595static inline int security_syslog(int type)
596{
597 return 0;
598}
599
600static inline int security_settime64(const struct timespec64 *ts,
601 const struct timezone *tz)
602{
603 return cap_settime(ts, tz);
604}
605
606static 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
611static inline int security_bprm_creds_for_exec(struct linux_binprm *bprm)
612{
613 return 0;
614}
615
616static 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
622static inline int security_bprm_check(struct linux_binprm *bprm)
623{
624 return 0;
625}
626
627static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
628{
629}
630
631static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
632{
633}
634
635static inline int security_fs_context_dup(struct fs_context *fc,
636 struct fs_context *src_fc)
637{
638 return 0;
639}
640static inline int security_fs_context_parse_param(struct fs_context *fc,
641 struct fs_parameter *param)
642{
643 return -ENOPARAM;
644}
645
646static inline int security_sb_alloc(struct super_block *sb)
647{
648 return 0;
649}
650
651static inline void security_sb_delete(struct super_block *sb)
652{ }
653
654static inline void security_sb_free(struct super_block *sb)
655{ }
656
657static inline int security_sb_eat_lsm_opts(char *options,
658 void **mnt_opts)
659{
660 return 0;
661}
662
663static inline int security_sb_remount(struct super_block *sb,
664 void *mnt_opts)
665{
666 return 0;
667}
668
669static inline int security_sb_mnt_opts_compat(struct super_block *sb,
670 void *mnt_opts)
671{
672 return 0;
673}
674
675
676static inline int security_sb_kern_mount(struct super_block *sb)
677{
678 return 0;
679}
680
681static inline int security_sb_show_options(struct seq_file *m,
682 struct super_block *sb)
683{
684 return 0;
685}
686
687static inline int security_sb_statfs(struct dentry *dentry)
688{
689 return 0;
690}
691
692static 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
699static inline int security_sb_umount(struct vfsmount *mnt, int flags)
700{
701 return 0;
702}
703
704static inline int security_sb_pivotroot(const struct path *old_path,
705 const struct path *new_path)
706{
707 return 0;
708}
709
710static 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
718static 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
726static inline int security_move_mount(const struct path *from_path,
727 const struct path *to_path)
728{
729 return 0;
730}
731
732static inline int security_path_notify(const struct path *path, u64 mask,
733 unsigned int obj_type)
734{
735 return 0;
736}
737
738static inline int security_inode_alloc(struct inode *inode)
739{
740 return 0;
741}
742
743static inline void security_inode_free(struct inode *inode)
744{ }
745
746static 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
756static 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
765static 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
774static 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
781static 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
790static inline int security_inode_create(struct inode *dir,
791 struct dentry *dentry,
792 umode_t mode)
793{
794 return 0;
795}
796
797static inline int security_inode_link(struct dentry *old_dentry,
798 struct inode *dir,
799 struct dentry *new_dentry)
800{
801 return 0;
802}
803
804static inline int security_inode_unlink(struct inode *dir,
805 struct dentry *dentry)
806{
807 return 0;
808}
809
810static inline int security_inode_symlink(struct inode *dir,
811 struct dentry *dentry,
812 const char *old_name)
813{
814 return 0;
815}
816
817static inline int security_inode_mkdir(struct inode *dir,
818 struct dentry *dentry,
819 int mode)
820{
821 return 0;
822}
823
824static inline int security_inode_rmdir(struct inode *dir,
825 struct dentry *dentry)
826{
827 return 0;
828}
829
830static inline int security_inode_mknod(struct inode *dir,
831 struct dentry *dentry,
832 int mode, dev_t dev)
833{
834 return 0;
835}
836
837static 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
846static inline int security_inode_readlink(struct dentry *dentry)
847{
848 return 0;
849}
850
851static inline int security_inode_follow_link(struct dentry *dentry,
852 struct inode *inode,
853 bool rcu)
854{
855 return 0;
856}
857
858static inline int security_inode_permission(struct inode *inode, int mask)
859{
860 return 0;
861}
862
863static inline int security_inode_setattr(struct mnt_idmap *idmap,
864 struct dentry *dentry,
865 struct iattr *attr)
866{
867 return 0;
868}
869
870static inline int security_inode_getattr(const struct path *path)
871{
872 return 0;
873}
874
875static 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
882static 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
890static 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
897static 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
904static inline void security_inode_post_setxattr(struct dentry *dentry,
905 const char *name, const void *value, size_t size, int flags)
906{ }
907
908static inline int security_inode_getxattr(struct dentry *dentry,
909 const char *name)
910{
911 return 0;
912}
913
914static inline int security_inode_listxattr(struct dentry *dentry)
915{
916 return 0;
917}
918
919static 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
926static inline int security_inode_need_killpriv(struct dentry *dentry)
927{
928 return cap_inode_need_killpriv(dentry);
929}
930
931static inline int security_inode_killpriv(struct mnt_idmap *idmap,
932 struct dentry *dentry)
933{
934 return cap_inode_killpriv(idmap, dentry);
935}
936
937static 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
945static 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
950static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
951{
952 return 0;
953}
954
955static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
956{
957 *secid = 0;
958}
959
960static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
961{
962 return 0;
963}
964
965static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
966 struct kernfs_node *kn)
967{
968 return 0;
969}
970
971static inline int security_inode_copy_up_xattr(const char *name)
972{
973 return -EOPNOTSUPP;
974}
975
976static inline int security_file_permission(struct file *file, int mask)
977{
978 return 0;
979}
980
981static inline int security_file_alloc(struct file *file)
982{
983 return 0;
984}
985
986static inline void security_file_free(struct file *file)
987{ }
988
989static inline int security_file_ioctl(struct file *file, unsigned int cmd,
990 unsigned long arg)
991{
992 return 0;
993}
994
995static inline int security_mmap_file(struct file *file, unsigned long prot,
996 unsigned long flags)
997{
998 return 0;
999}
1000
1001static inline int security_mmap_addr(unsigned long addr)
1002{
1003 return cap_mmap_addr(addr);
1004}
1005
1006static inline int security_file_mprotect(struct vm_area_struct *vma,
1007 unsigned long reqprot,
1008 unsigned long prot)
1009{
1010 return 0;
1011}
1012
1013static inline int security_file_lock(struct file *file, unsigned int cmd)
1014{
1015 return 0;
1016}
1017
1018static inline int security_file_fcntl(struct file *file, unsigned int cmd,
1019 unsigned long arg)
1020{
1021 return 0;
1022}
1023
1024static inline void security_file_set_fowner(struct file *file)
1025{
1026 return;
1027}
1028
1029static inline int security_file_send_sigiotask(struct task_struct *tsk,
1030 struct fown_struct *fown,
1031 int sig)
1032{
1033 return 0;
1034}
1035
1036static inline int security_file_receive(struct file *file)
1037{
1038 return 0;
1039}
1040
1041static inline int security_file_open(struct file *file)
1042{
1043 return 0;
1044}
1045
1046static inline int security_file_truncate(struct file *file)
1047{
1048 return 0;
1049}
1050
1051static inline int security_task_alloc(struct task_struct *task,
1052 unsigned long clone_flags)
1053{
1054 return 0;
1055}
1056
1057static inline void security_task_free(struct task_struct *task)
1058{ }
1059
1060static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
1061{
1062 return 0;
1063}
1064
1065static inline void security_cred_free(struct cred *cred)
1066{ }
1067
1068static inline int security_prepare_creds(struct cred *new,
1069 const struct cred *old,
1070 gfp_t gfp)
1071{
1072 return 0;
1073}
1074
1075static inline void security_transfer_creds(struct cred *new,
1076 const struct cred *old)
1077{
1078}
1079
1080static inline void security_cred_getsecid(const struct cred *c, u32 *secid)
1081{
1082 *secid = 0;
1083}
1084
1085static inline int security_kernel_act_as(struct cred *cred, u32 secid)
1086{
1087 return 0;
1088}
1089
1090static inline int security_kernel_create_files_as(struct cred *cred,
1091 struct inode *inode)
1092{
1093 return 0;
1094}
1095
1096static inline int security_kernel_module_request(char *kmod_name)
1097{
1098 return 0;
1099}
1100
1101static inline int security_kernel_load_data(enum kernel_load_data_id id, bool contents)
1102{
1103 return 0;
1104}
1105
1106static 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
1113static 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
1120static 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
1127static 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
1134static inline int security_task_fix_setgid(struct cred *new,
1135 const struct cred *old,
1136 int flags)
1137{
1138 return 0;
1139}
1140
1141static inline int security_task_fix_setgroups(struct cred *new,
1142 const struct cred *old)
1143{
1144 return 0;
1145}
1146
1147static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1148{
1149 return 0;
1150}
1151
1152static inline int security_task_getpgid(struct task_struct *p)
1153{
1154 return 0;
1155}
1156
1157static inline int security_task_getsid(struct task_struct *p)
1158{
1159 return 0;
1160}
1161
1162static inline void security_current_getsecid_subj(u32 *secid)
1163{
1164 *secid = 0;
1165}
1166
1167static inline void security_task_getsecid_obj(struct task_struct *p, u32 *secid)
1168{
1169 *secid = 0;
1170}
1171
1172static inline int security_task_setnice(struct task_struct *p, int nice)
1173{
1174 return cap_task_setnice(p, nice);
1175}
1176
1177static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1178{
1179 return cap_task_setioprio(p, ioprio);
1180}
1181
1182static inline int security_task_getioprio(struct task_struct *p)
1183{
1184 return 0;
1185}
1186
1187static inline int security_task_prlimit(const struct cred *cred,
1188 const struct cred *tcred,
1189 unsigned int flags)
1190{
1191 return 0;
1192}
1193
1194static inline int security_task_setrlimit(struct task_struct *p,
1195 unsigned int resource,
1196 struct rlimit *new_rlim)
1197{
1198 return 0;
1199}
1200
1201static inline int security_task_setscheduler(struct task_struct *p)
1202{
1203 return cap_task_setscheduler(p);
1204}
1205
1206static inline int security_task_getscheduler(struct task_struct *p)
1207{
1208 return 0;
1209}
1210
1211static inline int security_task_movememory(struct task_struct *p)
1212{
1213 return 0;
1214}
1215
1216static 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
1223static 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
1231static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1232{ }
1233
1234static inline int security_create_user_ns(const struct cred *cred)
1235{
1236 return 0;
1237}
1238
1239static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1240 short flag)
1241{
1242 return 0;
1243}
1244
1245static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1246{
1247 *secid = 0;
1248}
1249
1250static inline int security_msg_msg_alloc(struct msg_msg *msg)
1251{
1252 return 0;
1253}
1254
1255static inline void security_msg_msg_free(struct msg_msg *msg)
1256{ }
1257
1258static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1259{
1260 return 0;
1261}
1262
1263static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1264{ }
1265
1266static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1267 int msqflg)
1268{
1269 return 0;
1270}
1271
1272static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1273{
1274 return 0;
1275}
1276
1277static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1278 struct msg_msg *msg, int msqflg)
1279{
1280 return 0;
1281}
1282
1283static 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
1291static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1292{
1293 return 0;
1294}
1295
1296static inline void security_shm_free(struct kern_ipc_perm *shp)
1297{ }
1298
1299static inline int security_shm_associate(struct kern_ipc_perm *shp,
1300 int shmflg)
1301{
1302 return 0;
1303}
1304
1305static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1306{
1307 return 0;
1308}
1309
1310static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1311 char __user *shmaddr, int shmflg)
1312{
1313 return 0;
1314}
1315
1316static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1317{
1318 return 0;
1319}
1320
1321static inline void security_sem_free(struct kern_ipc_perm *sma)
1322{ }
1323
1324static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1325{
1326 return 0;
1327}
1328
1329static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1330{
1331 return 0;
1332}
1333
1334static 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
1341static inline void security_d_instantiate(struct dentry *dentry,
1342 struct inode *inode)
1343{ }
1344
1345static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1346 const char *name, char **value)
1347{
1348 return -EINVAL;
1349}
1350
1351static inline int security_setprocattr(const char *lsm, char *name,
1352 void *value, size_t size)
1353{
1354 return -EINVAL;
1355}
1356
1357static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1358{
1359 return 0;
1360}
1361
1362static inline int security_ismaclabel(const char *name)
1363{
1364 return 0;
1365}
1366
1367static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1368{
1369 return -EOPNOTSUPP;
1370}
1371
1372static inline int security_secctx_to_secid(const char *secdata,
1373 u32 seclen,
1374 u32 *secid)
1375{
1376 return -EOPNOTSUPP;
1377}
1378
1379static inline void security_release_secctx(char *secdata, u32 seclen)
1380{
1381}
1382
1383static inline void security_inode_invalidate_secctx(struct inode *inode)
1384{
1385}
1386
1387static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1388{
1389 return -EOPNOTSUPP;
1390}
1391static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1392{
1393 return -EOPNOTSUPP;
1394}
1395static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1396{
1397 return -EOPNOTSUPP;
1398}
1399static 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)
1406int security_post_notification(const struct cred *w_cred,
1407 const struct cred *cred,
1408 struct watch_notification *n);
1409#else
1410static 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)
1419int security_watch_key(struct key *key);
1420#else
1421static inline int security_watch_key(struct key *key)
1422{
1423 return 0;
1424}
1425#endif
1426
1427#ifdef CONFIG_SECURITY_NETWORK
1428
1429int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1430int security_unix_may_send(struct socket *sock, struct socket *other);
1431int security_socket_create(int family, int type, int protocol, int kern);
1432int security_socket_post_create(struct socket *sock, int family,
1433 int type, int protocol, int kern);
1434int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1435int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1436int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1437int security_socket_listen(struct socket *sock, int backlog);
1438int security_socket_accept(struct socket *sock, struct socket *newsock);
1439int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1440int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1441 int size, int flags);
1442int security_socket_getsockname(struct socket *sock);
1443int security_socket_getpeername(struct socket *sock);
1444int security_socket_getsockopt(struct socket *sock, int level, int optname);
1445int security_socket_setsockopt(struct socket *sock, int level, int optname);
1446int security_socket_shutdown(struct socket *sock, int how);
1447int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1448int security_socket_getpeersec_stream(struct socket *sock, sockptr_t optval,
1449 sockptr_t optlen, unsigned int len);
1450int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1451int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1452void security_sk_free(struct sock *sk);
1453void security_sk_clone(const struct sock *sk, struct sock *newsk);
1454void security_sk_classify_flow(struct sock *sk, struct flowi_common *flic);
1455void security_req_classify_flow(const struct request_sock *req,
1456 struct flowi_common *flic);
1457void security_sock_graft(struct sock*sk, struct socket *parent);
1458int security_inet_conn_request(const struct sock *sk,
1459 struct sk_buff *skb, struct request_sock *req);
1460void security_inet_csk_clone(struct sock *newsk,
1461 const struct request_sock *req);
1462void security_inet_conn_established(struct sock *sk,
1463 struct sk_buff *skb);
1464int security_secmark_relabel_packet(u32 secid);
1465void security_secmark_refcount_inc(void);
1466void security_secmark_refcount_dec(void);
1467int security_tun_dev_alloc_security(void **security);
1468void security_tun_dev_free_security(void *security);
1469int security_tun_dev_create(void);
1470int security_tun_dev_attach_queue(void *security);
1471int security_tun_dev_attach(struct sock *sk, void *security);
1472int security_tun_dev_open(void *security);
1473int security_sctp_assoc_request(struct sctp_association *asoc, struct sk_buff *skb);
1474int security_sctp_bind_connect(struct sock *sk, int optname,
1475 struct sockaddr *address, int addrlen);
1476void security_sctp_sk_clone(struct sctp_association *asoc, struct sock *sk,
1477 struct sock *newsk);
1478int security_sctp_assoc_established(struct sctp_association *asoc,
1479 struct sk_buff *skb);
1480
1481#else /* CONFIG_SECURITY_NETWORK */
1482static inline int security_unix_stream_connect(struct sock *sock,
1483 struct sock *other,
1484 struct sock *newsk)
1485{
1486 return 0;
1487}
1488
1489static inline int security_unix_may_send(struct socket *sock,
1490 struct socket *other)
1491{
1492 return 0;
1493}
1494
1495static inline int security_socket_create(int family, int type,
1496 int protocol, int kern)
1497{
1498 return 0;
1499}
1500
1501static 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
1509static inline int security_socket_socketpair(struct socket *socka,
1510 struct socket *sockb)
1511{
1512 return 0;
1513}
1514
1515static inline int security_socket_bind(struct socket *sock,
1516 struct sockaddr *address,
1517 int addrlen)
1518{
1519 return 0;
1520}
1521
1522static inline int security_socket_connect(struct socket *sock,
1523 struct sockaddr *address,
1524 int addrlen)
1525{
1526 return 0;
1527}
1528
1529static inline int security_socket_listen(struct socket *sock, int backlog)
1530{
1531 return 0;
1532}
1533
1534static inline int security_socket_accept(struct socket *sock,
1535 struct socket *newsock)
1536{
1537 return 0;
1538}
1539
1540static inline int security_socket_sendmsg(struct socket *sock,
1541 struct msghdr *msg, int size)
1542{
1543 return 0;
1544}
1545
1546static inline int security_socket_recvmsg(struct socket *sock,
1547 struct msghdr *msg, int size,
1548 int flags)
1549{
1550 return 0;
1551}
1552
1553static inline int security_socket_getsockname(struct socket *sock)
1554{
1555 return 0;
1556}
1557
1558static inline int security_socket_getpeername(struct socket *sock)
1559{
1560 return 0;
1561}
1562
1563static inline int security_socket_getsockopt(struct socket *sock,
1564 int level, int optname)
1565{
1566 return 0;
1567}
1568
1569static inline int security_socket_setsockopt(struct socket *sock,
1570 int level, int optname)
1571{
1572 return 0;
1573}
1574
1575static inline int security_socket_shutdown(struct socket *sock, int how)
1576{
1577 return 0;
1578}
1579static inline int security_sock_rcv_skb(struct sock *sk,
1580 struct sk_buff *skb)
1581{
1582 return 0;
1583}
1584
1585static 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
1593static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1594{
1595 return -ENOPROTOOPT;
1596}
1597
1598static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1599{
1600 return 0;
1601}
1602
1603static inline void security_sk_free(struct sock *sk)
1604{
1605}
1606
1607static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1608{
1609}
1610
1611static inline void security_sk_classify_flow(struct sock *sk,
1612 struct flowi_common *flic)
1613{
1614}
1615
1616static inline void security_req_classify_flow(const struct request_sock *req,
1617 struct flowi_common *flic)
1618{
1619}
1620
1621static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1622{
1623}
1624
1625static 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
1631static inline void security_inet_csk_clone(struct sock *newsk,
1632 const struct request_sock *req)
1633{
1634}
1635
1636static inline void security_inet_conn_established(struct sock *sk,
1637 struct sk_buff *skb)
1638{
1639}
1640
1641static inline int security_secmark_relabel_packet(u32 secid)
1642{
1643 return 0;
1644}
1645
1646static inline void security_secmark_refcount_inc(void)
1647{
1648}
1649
1650static inline void security_secmark_refcount_dec(void)
1651{
1652}
1653
1654static inline int security_tun_dev_alloc_security(void **security)
1655{
1656 return 0;
1657}
1658
1659static inline void security_tun_dev_free_security(void *security)
1660{
1661}
1662
1663static inline int security_tun_dev_create(void)
1664{
1665 return 0;
1666}
1667
1668static inline int security_tun_dev_attach_queue(void *security)
1669{
1670 return 0;
1671}
1672
1673static inline int security_tun_dev_attach(struct sock *sk, void *security)
1674{
1675 return 0;
1676}
1677
1678static inline int security_tun_dev_open(void *security)
1679{
1680 return 0;
1681}
1682
1683static inline int security_sctp_assoc_request(struct sctp_association *asoc,
1684 struct sk_buff *skb)
1685{
1686 return 0;
1687}
1688
1689static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1690 struct sockaddr *address,
1691 int addrlen)
1692{
1693 return 0;
1694}
1695
1696static inline void security_sctp_sk_clone(struct sctp_association *asoc,
1697 struct sock *sk,
1698 struct sock *newsk)
1699{
1700}
1701
1702static 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
1710int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1711int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1712int security_ib_alloc_security(void **sec);
1713void security_ib_free_security(void *sec);
1714#else /* CONFIG_SECURITY_INFINIBAND */
1715static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1716{
1717 return 0;
1718}
1719
1720static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1721{
1722 return 0;
1723}
1724
1725static inline int security_ib_alloc_security(void **sec)
1726{
1727 return 0;
1728}
1729
1730static inline void security_ib_free_security(void *sec)
1731{
1732}
1733#endif /* CONFIG_SECURITY_INFINIBAND */
1734
1735#ifdef CONFIG_SECURITY_NETWORK_XFRM
1736
1737int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1738 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1739int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1740void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1741int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1742int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1743int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1744 struct xfrm_sec_ctx *polsec, u32 secid);
1745int security_xfrm_state_delete(struct xfrm_state *x);
1746void security_xfrm_state_free(struct xfrm_state *x);
1747int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid);
1748int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1749 struct xfrm_policy *xp,
1750 const struct flowi_common *flic);
1751int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1752void security_skb_classify_flow(struct sk_buff *skb, struct flowi_common *flic);
1753
1754#else /* CONFIG_SECURITY_NETWORK_XFRM */
1755
1756static 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
1763static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1764{
1765 return 0;
1766}
1767
1768static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1769{
1770}
1771
1772static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1773{
1774 return 0;
1775}
1776
1777static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1778 struct xfrm_user_sec_ctx *sec_ctx)
1779{
1780 return 0;
1781}
1782
1783static 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
1789static inline void security_xfrm_state_free(struct xfrm_state *x)
1790{
1791}
1792
1793static inline int security_xfrm_state_delete(struct xfrm_state *x)
1794{
1795 return 0;
1796}
1797
1798static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid)
1799{
1800 return 0;
1801}
1802
1803static 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
1810static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1811{
1812 return 0;
1813}
1814
1815static 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
1823int security_path_unlink(const struct path *dir, struct dentry *dentry);
1824int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1825int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1826int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1827 unsigned int dev);
1828int security_path_truncate(const struct path *path);
1829int security_path_symlink(const struct path *dir, struct dentry *dentry,
1830 const char *old_name);
1831int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1832 struct dentry *new_dentry);
1833int 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);
1836int security_path_chmod(const struct path *path, umode_t mode);
1837int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1838int security_path_chroot(const struct path *path);
1839#else /* CONFIG_SECURITY_PATH */
1840static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1841{
1842 return 0;
1843}
1844
1845static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1846 umode_t mode)
1847{
1848 return 0;
1849}
1850
1851static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1852{
1853 return 0;
1854}
1855
1856static 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
1862static inline int security_path_truncate(const struct path *path)
1863{
1864 return 0;
1865}
1866
1867static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1868 const char *old_name)
1869{
1870 return 0;
1871}
1872
1873static 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
1880static 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
1889static inline int security_path_chmod(const struct path *path, umode_t mode)
1890{
1891 return 0;
1892}
1893
1894static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1895{
1896 return 0;
1897}
1898
1899static 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
1908int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1909void security_key_free(struct key *key);
1910int security_key_permission(key_ref_t key_ref, const struct cred *cred,
1911 enum key_need_perm need_perm);
1912int security_key_getsecurity(struct key *key, char **_buffer);
1913
1914#else
1915
1916static inline int security_key_alloc(struct key *key,
1917 const struct cred *cred,
1918 unsigned long flags)
1919{
1920 return 0;
1921}
1922
1923static inline void security_key_free(struct key *key)
1924{
1925}
1926
1927static 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
1934static 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
1945int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1946int security_audit_rule_known(struct audit_krule *krule);
1947int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1948void security_audit_rule_free(void *lsmrule);
1949
1950#else
1951
1952static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1953 void **lsmrule)
1954{
1955 return 0;
1956}
1957
1958static inline int security_audit_rule_known(struct audit_krule *krule)
1959{
1960 return 0;
1961}
1962
1963static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1964 void *lsmrule)
1965{
1966 return 0;
1967}
1968
1969static inline void security_audit_rule_free(void *lsmrule)
1970{ }
1971
1972#endif /* CONFIG_SECURITY */
1973#endif /* CONFIG_AUDIT */
1974
1975#ifdef CONFIG_SECURITYFS
1976
1977extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1978 struct dentry *parent, void *data,
1979 const struct file_operations *fops);
1980extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1981struct dentry *securityfs_create_symlink(const char *name,
1982 struct dentry *parent,
1983 const char *target,
1984 const struct inode_operations *iops);
1985extern void securityfs_remove(struct dentry *dentry);
1986
1987#else /* CONFIG_SECURITYFS */
1988
1989static inline struct dentry *securityfs_create_dir(const char *name,
1990 struct dentry *parent)
1991{
1992 return ERR_PTR(-ENODEV);
1993}
1994
1995static 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
2004static 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
2012static inline void securityfs_remove(struct dentry *dentry)
2013{}
2014
2015#endif
2016
2017#ifdef CONFIG_BPF_SYSCALL
2018union bpf_attr;
2019struct bpf_map;
2020struct bpf_prog;
2021struct bpf_prog_aux;
2022#ifdef CONFIG_SECURITY
2023extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
2024extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
2025extern int security_bpf_prog(struct bpf_prog *prog);
2026extern int security_bpf_map_alloc(struct bpf_map *map);
2027extern void security_bpf_map_free(struct bpf_map *map);
2028extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
2029extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
2030#else
2031static inline int security_bpf(int cmd, union bpf_attr *attr,
2032 unsigned int size)
2033{
2034 return 0;
2035}
2036
2037static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
2038{
2039 return 0;
2040}
2041
2042static inline int security_bpf_prog(struct bpf_prog *prog)
2043{
2044 return 0;
2045}
2046
2047static inline int security_bpf_map_alloc(struct bpf_map *map)
2048{
2049 return 0;
2050}
2051
2052static inline void security_bpf_map_free(struct bpf_map *map)
2053{ }
2054
2055static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
2056{
2057 return 0;
2058}
2059
2060static 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
2066struct perf_event_attr;
2067struct perf_event;
2068
2069#ifdef CONFIG_SECURITY
2070extern int security_perf_event_open(struct perf_event_attr *attr, int type);
2071extern int security_perf_event_alloc(struct perf_event *event);
2072extern void security_perf_event_free(struct perf_event *event);
2073extern int security_perf_event_read(struct perf_event *event);
2074extern int security_perf_event_write(struct perf_event *event);
2075#else
2076static inline int security_perf_event_open(struct perf_event_attr *attr,
2077 int type)
2078{
2079 return 0;
2080}
2081
2082static inline int security_perf_event_alloc(struct perf_event *event)
2083{
2084 return 0;
2085}
2086
2087static inline void security_perf_event_free(struct perf_event *event)
2088{
2089}
2090
2091static inline int security_perf_event_read(struct perf_event *event)
2092{
2093 return 0;
2094}
2095
2096static 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
2105extern int security_uring_override_creds(const struct cred *new);
2106extern int security_uring_sqpoll(void);
2107extern int security_uring_cmd(struct io_uring_cmd *ioucmd);
2108#else
2109static inline int security_uring_override_creds(const struct cred *new)
2110{
2111 return 0;
2112}
2113static inline int security_uring_sqpoll(void)
2114{
2115 return 0;
2116}
2117static 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 */