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