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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_association;
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(const struct cred *mgr);
262int security_binder_transaction(const struct cred *from,
263 const struct cred *to);
264int security_binder_transfer_binder(const struct cred *from,
265 const struct cred *to);
266int security_binder_transfer_file(const struct cred *from,
267 const struct cred *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_move_mount(const struct path *from_path, const struct path *to_path);
317int security_dentry_init_security(struct dentry *dentry, int mode,
318 const struct qstr *name,
319 const char **xattr_name, void **ctx,
320 u32 *ctxlen);
321int security_dentry_create_files_as(struct dentry *dentry, int mode,
322 struct qstr *name,
323 const struct cred *old,
324 struct cred *new);
325int security_path_notify(const struct path *path, u64 mask,
326 unsigned int obj_type);
327int security_inode_alloc(struct inode *inode);
328void security_inode_free(struct inode *inode);
329int security_inode_init_security(struct inode *inode, struct inode *dir,
330 const struct qstr *qstr,
331 initxattrs initxattrs, void *fs_data);
332int security_inode_init_security_anon(struct inode *inode,
333 const struct qstr *name,
334 const struct inode *context_inode);
335int security_old_inode_init_security(struct inode *inode, struct inode *dir,
336 const struct qstr *qstr, const char **name,
337 void **value, size_t *len);
338int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
339int security_inode_link(struct dentry *old_dentry, struct inode *dir,
340 struct dentry *new_dentry);
341int security_inode_unlink(struct inode *dir, struct dentry *dentry);
342int security_inode_symlink(struct inode *dir, struct dentry *dentry,
343 const char *old_name);
344int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
345int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
346int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
347int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
348 struct inode *new_dir, struct dentry *new_dentry,
349 unsigned int flags);
350int security_inode_readlink(struct dentry *dentry);
351int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
352 bool rcu);
353int security_inode_permission(struct inode *inode, int mask);
354int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
355int security_inode_getattr(const struct path *path);
356int security_inode_setxattr(struct user_namespace *mnt_userns,
357 struct dentry *dentry, const char *name,
358 const void *value, size_t size, int flags);
359void security_inode_post_setxattr(struct dentry *dentry, const char *name,
360 const void *value, size_t size, int flags);
361int security_inode_getxattr(struct dentry *dentry, const char *name);
362int security_inode_listxattr(struct dentry *dentry);
363int security_inode_removexattr(struct user_namespace *mnt_userns,
364 struct dentry *dentry, const char *name);
365int security_inode_need_killpriv(struct dentry *dentry);
366int security_inode_killpriv(struct user_namespace *mnt_userns,
367 struct dentry *dentry);
368int security_inode_getsecurity(struct user_namespace *mnt_userns,
369 struct inode *inode, const char *name,
370 void **buffer, bool alloc);
371int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
372int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
373void security_inode_getsecid(struct inode *inode, u32 *secid);
374int security_inode_copy_up(struct dentry *src, struct cred **new);
375int security_inode_copy_up_xattr(const char *name);
376int security_kernfs_init_security(struct kernfs_node *kn_dir,
377 struct kernfs_node *kn);
378int security_file_permission(struct file *file, int mask);
379int security_file_alloc(struct file *file);
380void security_file_free(struct file *file);
381int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
382int security_mmap_file(struct file *file, unsigned long prot,
383 unsigned long flags);
384int security_mmap_addr(unsigned long addr);
385int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
386 unsigned long prot);
387int security_file_lock(struct file *file, unsigned int cmd);
388int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
389void security_file_set_fowner(struct file *file);
390int security_file_send_sigiotask(struct task_struct *tsk,
391 struct fown_struct *fown, int sig);
392int security_file_receive(struct file *file);
393int security_file_open(struct file *file);
394int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
395void security_task_free(struct task_struct *task);
396int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
397void security_cred_free(struct cred *cred);
398int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
399void security_transfer_creds(struct cred *new, const struct cred *old);
400void security_cred_getsecid(const struct cred *c, u32 *secid);
401int security_kernel_act_as(struct cred *new, u32 secid);
402int security_kernel_create_files_as(struct cred *new, struct inode *inode);
403int security_kernel_module_request(char *kmod_name);
404int security_kernel_load_data(enum kernel_load_data_id id, bool contents);
405int security_kernel_post_load_data(char *buf, loff_t size,
406 enum kernel_load_data_id id,
407 char *description);
408int security_kernel_read_file(struct file *file, enum kernel_read_file_id id,
409 bool contents);
410int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
411 enum kernel_read_file_id id);
412int security_task_fix_setuid(struct cred *new, const struct cred *old,
413 int flags);
414int security_task_fix_setgid(struct cred *new, const struct cred *old,
415 int flags);
416int security_task_setpgid(struct task_struct *p, pid_t pgid);
417int security_task_getpgid(struct task_struct *p);
418int security_task_getsid(struct task_struct *p);
419void security_current_getsecid_subj(u32 *secid);
420void security_task_getsecid_obj(struct task_struct *p, u32 *secid);
421int security_task_setnice(struct task_struct *p, int nice);
422int security_task_setioprio(struct task_struct *p, int ioprio);
423int security_task_getioprio(struct task_struct *p);
424int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
425 unsigned int flags);
426int security_task_setrlimit(struct task_struct *p, unsigned int resource,
427 struct rlimit *new_rlim);
428int security_task_setscheduler(struct task_struct *p);
429int security_task_getscheduler(struct task_struct *p);
430int security_task_movememory(struct task_struct *p);
431int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
432 int sig, const struct cred *cred);
433int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
434 unsigned long arg4, unsigned long arg5);
435void security_task_to_inode(struct task_struct *p, struct inode *inode);
436int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
437void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
438int security_msg_msg_alloc(struct msg_msg *msg);
439void security_msg_msg_free(struct msg_msg *msg);
440int security_msg_queue_alloc(struct kern_ipc_perm *msq);
441void security_msg_queue_free(struct kern_ipc_perm *msq);
442int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
443int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
444int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
445 struct msg_msg *msg, int msqflg);
446int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
447 struct task_struct *target, long type, int mode);
448int security_shm_alloc(struct kern_ipc_perm *shp);
449void security_shm_free(struct kern_ipc_perm *shp);
450int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
451int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
452int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
453int security_sem_alloc(struct kern_ipc_perm *sma);
454void security_sem_free(struct kern_ipc_perm *sma);
455int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
456int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
457int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
458 unsigned nsops, int alter);
459void security_d_instantiate(struct dentry *dentry, struct inode *inode);
460int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
461 char **value);
462int security_setprocattr(const char *lsm, const char *name, void *value,
463 size_t size);
464int security_netlink_send(struct sock *sk, struct sk_buff *skb);
465int security_ismaclabel(const char *name);
466int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
467int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
468void security_release_secctx(char *secdata, u32 seclen);
469void security_inode_invalidate_secctx(struct inode *inode);
470int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
471int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
472int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
473int security_locked_down(enum lockdown_reason what);
474#else
475
476static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
477{
478 return 0;
479}
480
481static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
482{
483 return 0;
484}
485
486static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb)
487{
488 return 0;
489}
490
491static inline void security_free_mnt_opts(void **mnt_opts)
492{
493}
494
495
496
497
498
499
500static inline int security_init(void)
501{
502 return 0;
503}
504
505static inline int early_security_init(void)
506{
507 return 0;
508}
509
510static inline int security_binder_set_context_mgr(const struct cred *mgr)
511{
512 return 0;
513}
514
515static inline int security_binder_transaction(const struct cred *from,
516 const struct cred *to)
517{
518 return 0;
519}
520
521static inline int security_binder_transfer_binder(const struct cred *from,
522 const struct cred *to)
523{
524 return 0;
525}
526
527static inline int security_binder_transfer_file(const struct cred *from,
528 const struct cred *to,
529 struct file *file)
530{
531 return 0;
532}
533
534static inline int security_ptrace_access_check(struct task_struct *child,
535 unsigned int mode)
536{
537 return cap_ptrace_access_check(child, mode);
538}
539
540static inline int security_ptrace_traceme(struct task_struct *parent)
541{
542 return cap_ptrace_traceme(parent);
543}
544
545static inline int security_capget(struct task_struct *target,
546 kernel_cap_t *effective,
547 kernel_cap_t *inheritable,
548 kernel_cap_t *permitted)
549{
550 return cap_capget(target, effective, inheritable, permitted);
551}
552
553static inline int security_capset(struct cred *new,
554 const struct cred *old,
555 const kernel_cap_t *effective,
556 const kernel_cap_t *inheritable,
557 const kernel_cap_t *permitted)
558{
559 return cap_capset(new, old, effective, inheritable, permitted);
560}
561
562static inline int security_capable(const struct cred *cred,
563 struct user_namespace *ns,
564 int cap,
565 unsigned int opts)
566{
567 return cap_capable(cred, ns, cap, opts);
568}
569
570static inline int security_quotactl(int cmds, int type, int id,
571 struct super_block *sb)
572{
573 return 0;
574}
575
576static inline int security_quota_on(struct dentry *dentry)
577{
578 return 0;
579}
580
581static inline int security_syslog(int type)
582{
583 return 0;
584}
585
586static inline int security_settime64(const struct timespec64 *ts,
587 const struct timezone *tz)
588{
589 return cap_settime(ts, tz);
590}
591
592static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
593{
594 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
595}
596
597static inline int security_bprm_creds_for_exec(struct linux_binprm *bprm)
598{
599 return 0;
600}
601
602static inline int security_bprm_creds_from_file(struct linux_binprm *bprm,
603 struct file *file)
604{
605 return cap_bprm_creds_from_file(bprm, file);
606}
607
608static inline int security_bprm_check(struct linux_binprm *bprm)
609{
610 return 0;
611}
612
613static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
614{
615}
616
617static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
618{
619}
620
621static inline int security_fs_context_dup(struct fs_context *fc,
622 struct fs_context *src_fc)
623{
624 return 0;
625}
626static inline int security_fs_context_parse_param(struct fs_context *fc,
627 struct fs_parameter *param)
628{
629 return -ENOPARAM;
630}
631
632static inline int security_sb_alloc(struct super_block *sb)
633{
634 return 0;
635}
636
637static inline void security_sb_delete(struct super_block *sb)
638{ }
639
640static inline void security_sb_free(struct super_block *sb)
641{ }
642
643static inline int security_sb_eat_lsm_opts(char *options,
644 void **mnt_opts)
645{
646 return 0;
647}
648
649static inline int security_sb_remount(struct super_block *sb,
650 void *mnt_opts)
651{
652 return 0;
653}
654
655static inline int security_sb_mnt_opts_compat(struct super_block *sb,
656 void *mnt_opts)
657{
658 return 0;
659}
660
661
662static inline int security_sb_kern_mount(struct super_block *sb)
663{
664 return 0;
665}
666
667static inline int security_sb_show_options(struct seq_file *m,
668 struct super_block *sb)
669{
670 return 0;
671}
672
673static inline int security_sb_statfs(struct dentry *dentry)
674{
675 return 0;
676}
677
678static inline int security_sb_mount(const char *dev_name, const struct path *path,
679 const char *type, unsigned long flags,
680 void *data)
681{
682 return 0;
683}
684
685static inline int security_sb_umount(struct vfsmount *mnt, int flags)
686{
687 return 0;
688}
689
690static inline int security_sb_pivotroot(const struct path *old_path,
691 const struct path *new_path)
692{
693 return 0;
694}
695
696static inline int security_sb_set_mnt_opts(struct super_block *sb,
697 void *mnt_opts,
698 unsigned long kern_flags,
699 unsigned long *set_kern_flags)
700{
701 return 0;
702}
703
704static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
705 struct super_block *newsb,
706 unsigned long kern_flags,
707 unsigned long *set_kern_flags)
708{
709 return 0;
710}
711
712static inline int security_move_mount(const struct path *from_path,
713 const struct path *to_path)
714{
715 return 0;
716}
717
718static inline int security_path_notify(const struct path *path, u64 mask,
719 unsigned int obj_type)
720{
721 return 0;
722}
723
724static inline int security_inode_alloc(struct inode *inode)
725{
726 return 0;
727}
728
729static inline void security_inode_free(struct inode *inode)
730{ }
731
732static inline int security_dentry_init_security(struct dentry *dentry,
733 int mode,
734 const struct qstr *name,
735 const char **xattr_name,
736 void **ctx,
737 u32 *ctxlen)
738{
739 return -EOPNOTSUPP;
740}
741
742static inline int security_dentry_create_files_as(struct dentry *dentry,
743 int mode, struct qstr *name,
744 const struct cred *old,
745 struct cred *new)
746{
747 return 0;
748}
749
750
751static inline int security_inode_init_security(struct inode *inode,
752 struct inode *dir,
753 const struct qstr *qstr,
754 const initxattrs xattrs,
755 void *fs_data)
756{
757 return 0;
758}
759
760static inline int security_inode_init_security_anon(struct inode *inode,
761 const struct qstr *name,
762 const struct inode *context_inode)
763{
764 return 0;
765}
766
767static inline int security_old_inode_init_security(struct inode *inode,
768 struct inode *dir,
769 const struct qstr *qstr,
770 const char **name,
771 void **value, size_t *len)
772{
773 return -EOPNOTSUPP;
774}
775
776static inline int security_inode_create(struct inode *dir,
777 struct dentry *dentry,
778 umode_t mode)
779{
780 return 0;
781}
782
783static inline int security_inode_link(struct dentry *old_dentry,
784 struct inode *dir,
785 struct dentry *new_dentry)
786{
787 return 0;
788}
789
790static inline int security_inode_unlink(struct inode *dir,
791 struct dentry *dentry)
792{
793 return 0;
794}
795
796static inline int security_inode_symlink(struct inode *dir,
797 struct dentry *dentry,
798 const char *old_name)
799{
800 return 0;
801}
802
803static inline int security_inode_mkdir(struct inode *dir,
804 struct dentry *dentry,
805 int mode)
806{
807 return 0;
808}
809
810static inline int security_inode_rmdir(struct inode *dir,
811 struct dentry *dentry)
812{
813 return 0;
814}
815
816static inline int security_inode_mknod(struct inode *dir,
817 struct dentry *dentry,
818 int mode, dev_t dev)
819{
820 return 0;
821}
822
823static inline int security_inode_rename(struct inode *old_dir,
824 struct dentry *old_dentry,
825 struct inode *new_dir,
826 struct dentry *new_dentry,
827 unsigned int flags)
828{
829 return 0;
830}
831
832static inline int security_inode_readlink(struct dentry *dentry)
833{
834 return 0;
835}
836
837static inline int security_inode_follow_link(struct dentry *dentry,
838 struct inode *inode,
839 bool rcu)
840{
841 return 0;
842}
843
844static inline int security_inode_permission(struct inode *inode, int mask)
845{
846 return 0;
847}
848
849static inline int security_inode_setattr(struct dentry *dentry,
850 struct iattr *attr)
851{
852 return 0;
853}
854
855static inline int security_inode_getattr(const struct path *path)
856{
857 return 0;
858}
859
860static inline int security_inode_setxattr(struct user_namespace *mnt_userns,
861 struct dentry *dentry, const char *name, const void *value,
862 size_t size, int flags)
863{
864 return cap_inode_setxattr(dentry, name, value, size, flags);
865}
866
867static inline void security_inode_post_setxattr(struct dentry *dentry,
868 const char *name, const void *value, size_t size, int flags)
869{ }
870
871static inline int security_inode_getxattr(struct dentry *dentry,
872 const char *name)
873{
874 return 0;
875}
876
877static inline int security_inode_listxattr(struct dentry *dentry)
878{
879 return 0;
880}
881
882static inline int security_inode_removexattr(struct user_namespace *mnt_userns,
883 struct dentry *dentry,
884 const char *name)
885{
886 return cap_inode_removexattr(mnt_userns, dentry, name);
887}
888
889static inline int security_inode_need_killpriv(struct dentry *dentry)
890{
891 return cap_inode_need_killpriv(dentry);
892}
893
894static inline int security_inode_killpriv(struct user_namespace *mnt_userns,
895 struct dentry *dentry)
896{
897 return cap_inode_killpriv(mnt_userns, dentry);
898}
899
900static inline int security_inode_getsecurity(struct user_namespace *mnt_userns,
901 struct inode *inode,
902 const char *name, void **buffer,
903 bool alloc)
904{
905 return cap_inode_getsecurity(mnt_userns, inode, name, buffer, alloc);
906}
907
908static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
909{
910 return -EOPNOTSUPP;
911}
912
913static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
914{
915 return 0;
916}
917
918static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
919{
920 *secid = 0;
921}
922
923static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
924{
925 return 0;
926}
927
928static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
929 struct kernfs_node *kn)
930{
931 return 0;
932}
933
934static inline int security_inode_copy_up_xattr(const char *name)
935{
936 return -EOPNOTSUPP;
937}
938
939static inline int security_file_permission(struct file *file, int mask)
940{
941 return 0;
942}
943
944static inline int security_file_alloc(struct file *file)
945{
946 return 0;
947}
948
949static inline void security_file_free(struct file *file)
950{ }
951
952static inline int security_file_ioctl(struct file *file, unsigned int cmd,
953 unsigned long arg)
954{
955 return 0;
956}
957
958static inline int security_mmap_file(struct file *file, unsigned long prot,
959 unsigned long flags)
960{
961 return 0;
962}
963
964static inline int security_mmap_addr(unsigned long addr)
965{
966 return cap_mmap_addr(addr);
967}
968
969static inline int security_file_mprotect(struct vm_area_struct *vma,
970 unsigned long reqprot,
971 unsigned long prot)
972{
973 return 0;
974}
975
976static inline int security_file_lock(struct file *file, unsigned int cmd)
977{
978 return 0;
979}
980
981static inline int security_file_fcntl(struct file *file, unsigned int cmd,
982 unsigned long arg)
983{
984 return 0;
985}
986
987static inline void security_file_set_fowner(struct file *file)
988{
989 return;
990}
991
992static inline int security_file_send_sigiotask(struct task_struct *tsk,
993 struct fown_struct *fown,
994 int sig)
995{
996 return 0;
997}
998
999static inline int security_file_receive(struct file *file)
1000{
1001 return 0;
1002}
1003
1004static inline int security_file_open(struct file *file)
1005{
1006 return 0;
1007}
1008
1009static inline int security_task_alloc(struct task_struct *task,
1010 unsigned long clone_flags)
1011{
1012 return 0;
1013}
1014
1015static inline void security_task_free(struct task_struct *task)
1016{ }
1017
1018static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
1019{
1020 return 0;
1021}
1022
1023static inline void security_cred_free(struct cred *cred)
1024{ }
1025
1026static inline int security_prepare_creds(struct cred *new,
1027 const struct cred *old,
1028 gfp_t gfp)
1029{
1030 return 0;
1031}
1032
1033static inline void security_transfer_creds(struct cred *new,
1034 const struct cred *old)
1035{
1036}
1037
1038static inline void security_cred_getsecid(const struct cred *c, u32 *secid)
1039{
1040 *secid = 0;
1041}
1042
1043static inline int security_kernel_act_as(struct cred *cred, u32 secid)
1044{
1045 return 0;
1046}
1047
1048static inline int security_kernel_create_files_as(struct cred *cred,
1049 struct inode *inode)
1050{
1051 return 0;
1052}
1053
1054static inline int security_kernel_module_request(char *kmod_name)
1055{
1056 return 0;
1057}
1058
1059static inline int security_kernel_load_data(enum kernel_load_data_id id, bool contents)
1060{
1061 return 0;
1062}
1063
1064static inline int security_kernel_post_load_data(char *buf, loff_t size,
1065 enum kernel_load_data_id id,
1066 char *description)
1067{
1068 return 0;
1069}
1070
1071static inline int security_kernel_read_file(struct file *file,
1072 enum kernel_read_file_id id,
1073 bool contents)
1074{
1075 return 0;
1076}
1077
1078static inline int security_kernel_post_read_file(struct file *file,
1079 char *buf, loff_t size,
1080 enum kernel_read_file_id id)
1081{
1082 return 0;
1083}
1084
1085static inline int security_task_fix_setuid(struct cred *new,
1086 const struct cred *old,
1087 int flags)
1088{
1089 return cap_task_fix_setuid(new, old, flags);
1090}
1091
1092static inline int security_task_fix_setgid(struct cred *new,
1093 const struct cred *old,
1094 int flags)
1095{
1096 return 0;
1097}
1098
1099static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1100{
1101 return 0;
1102}
1103
1104static inline int security_task_getpgid(struct task_struct *p)
1105{
1106 return 0;
1107}
1108
1109static inline int security_task_getsid(struct task_struct *p)
1110{
1111 return 0;
1112}
1113
1114static inline void security_current_getsecid_subj(u32 *secid)
1115{
1116 *secid = 0;
1117}
1118
1119static inline void security_task_getsecid_obj(struct task_struct *p, u32 *secid)
1120{
1121 *secid = 0;
1122}
1123
1124static inline int security_task_setnice(struct task_struct *p, int nice)
1125{
1126 return cap_task_setnice(p, nice);
1127}
1128
1129static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1130{
1131 return cap_task_setioprio(p, ioprio);
1132}
1133
1134static inline int security_task_getioprio(struct task_struct *p)
1135{
1136 return 0;
1137}
1138
1139static inline int security_task_prlimit(const struct cred *cred,
1140 const struct cred *tcred,
1141 unsigned int flags)
1142{
1143 return 0;
1144}
1145
1146static inline int security_task_setrlimit(struct task_struct *p,
1147 unsigned int resource,
1148 struct rlimit *new_rlim)
1149{
1150 return 0;
1151}
1152
1153static inline int security_task_setscheduler(struct task_struct *p)
1154{
1155 return cap_task_setscheduler(p);
1156}
1157
1158static inline int security_task_getscheduler(struct task_struct *p)
1159{
1160 return 0;
1161}
1162
1163static inline int security_task_movememory(struct task_struct *p)
1164{
1165 return 0;
1166}
1167
1168static inline int security_task_kill(struct task_struct *p,
1169 struct kernel_siginfo *info, int sig,
1170 const struct cred *cred)
1171{
1172 return 0;
1173}
1174
1175static inline int security_task_prctl(int option, unsigned long arg2,
1176 unsigned long arg3,
1177 unsigned long arg4,
1178 unsigned long arg5)
1179{
1180 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1181}
1182
1183static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1184{ }
1185
1186static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1187 short flag)
1188{
1189 return 0;
1190}
1191
1192static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1193{
1194 *secid = 0;
1195}
1196
1197static inline int security_msg_msg_alloc(struct msg_msg *msg)
1198{
1199 return 0;
1200}
1201
1202static inline void security_msg_msg_free(struct msg_msg *msg)
1203{ }
1204
1205static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1206{
1207 return 0;
1208}
1209
1210static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1211{ }
1212
1213static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1214 int msqflg)
1215{
1216 return 0;
1217}
1218
1219static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1220{
1221 return 0;
1222}
1223
1224static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1225 struct msg_msg *msg, int msqflg)
1226{
1227 return 0;
1228}
1229
1230static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
1231 struct msg_msg *msg,
1232 struct task_struct *target,
1233 long type, int mode)
1234{
1235 return 0;
1236}
1237
1238static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1239{
1240 return 0;
1241}
1242
1243static inline void security_shm_free(struct kern_ipc_perm *shp)
1244{ }
1245
1246static inline int security_shm_associate(struct kern_ipc_perm *shp,
1247 int shmflg)
1248{
1249 return 0;
1250}
1251
1252static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1253{
1254 return 0;
1255}
1256
1257static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1258 char __user *shmaddr, int shmflg)
1259{
1260 return 0;
1261}
1262
1263static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1264{
1265 return 0;
1266}
1267
1268static inline void security_sem_free(struct kern_ipc_perm *sma)
1269{ }
1270
1271static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1272{
1273 return 0;
1274}
1275
1276static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1277{
1278 return 0;
1279}
1280
1281static inline int security_sem_semop(struct kern_ipc_perm *sma,
1282 struct sembuf *sops, unsigned nsops,
1283 int alter)
1284{
1285 return 0;
1286}
1287
1288static inline void security_d_instantiate(struct dentry *dentry,
1289 struct inode *inode)
1290{ }
1291
1292static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1293 char *name, char **value)
1294{
1295 return -EINVAL;
1296}
1297
1298static inline int security_setprocattr(const char *lsm, char *name,
1299 void *value, size_t size)
1300{
1301 return -EINVAL;
1302}
1303
1304static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1305{
1306 return 0;
1307}
1308
1309static inline int security_ismaclabel(const char *name)
1310{
1311 return 0;
1312}
1313
1314static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1315{
1316 return -EOPNOTSUPP;
1317}
1318
1319static inline int security_secctx_to_secid(const char *secdata,
1320 u32 seclen,
1321 u32 *secid)
1322{
1323 return -EOPNOTSUPP;
1324}
1325
1326static inline void security_release_secctx(char *secdata, u32 seclen)
1327{
1328}
1329
1330static inline void security_inode_invalidate_secctx(struct inode *inode)
1331{
1332}
1333
1334static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1335{
1336 return -EOPNOTSUPP;
1337}
1338static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1339{
1340 return -EOPNOTSUPP;
1341}
1342static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1343{
1344 return -EOPNOTSUPP;
1345}
1346static inline int security_locked_down(enum lockdown_reason what)
1347{
1348 return 0;
1349}
1350#endif
1351
1352#if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE)
1353int security_post_notification(const struct cred *w_cred,
1354 const struct cred *cred,
1355 struct watch_notification *n);
1356#else
1357static inline int security_post_notification(const struct cred *w_cred,
1358 const struct cred *cred,
1359 struct watch_notification *n)
1360{
1361 return 0;
1362}
1363#endif
1364
1365#if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS)
1366int security_watch_key(struct key *key);
1367#else
1368static inline int security_watch_key(struct key *key)
1369{
1370 return 0;
1371}
1372#endif
1373
1374#ifdef CONFIG_SECURITY_NETWORK
1375
1376int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1377int security_unix_may_send(struct socket *sock, struct socket *other);
1378int security_socket_create(int family, int type, int protocol, int kern);
1379int security_socket_post_create(struct socket *sock, int family,
1380 int type, int protocol, int kern);
1381int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1382int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1383int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1384int security_socket_listen(struct socket *sock, int backlog);
1385int security_socket_accept(struct socket *sock, struct socket *newsock);
1386int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1387int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1388 int size, int flags);
1389int security_socket_getsockname(struct socket *sock);
1390int security_socket_getpeername(struct socket *sock);
1391int security_socket_getsockopt(struct socket *sock, int level, int optname);
1392int security_socket_setsockopt(struct socket *sock, int level, int optname);
1393int security_socket_shutdown(struct socket *sock, int how);
1394int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1395int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1396 int __user *optlen, unsigned len);
1397int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1398int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1399void security_sk_free(struct sock *sk);
1400void security_sk_clone(const struct sock *sk, struct sock *newsk);
1401void security_sk_classify_flow(struct sock *sk, struct flowi_common *flic);
1402void security_req_classify_flow(const struct request_sock *req,
1403 struct flowi_common *flic);
1404void security_sock_graft(struct sock*sk, struct socket *parent);
1405int security_inet_conn_request(const struct sock *sk,
1406 struct sk_buff *skb, struct request_sock *req);
1407void security_inet_csk_clone(struct sock *newsk,
1408 const struct request_sock *req);
1409void security_inet_conn_established(struct sock *sk,
1410 struct sk_buff *skb);
1411int security_secmark_relabel_packet(u32 secid);
1412void security_secmark_refcount_inc(void);
1413void security_secmark_refcount_dec(void);
1414int security_tun_dev_alloc_security(void **security);
1415void security_tun_dev_free_security(void *security);
1416int security_tun_dev_create(void);
1417int security_tun_dev_attach_queue(void *security);
1418int security_tun_dev_attach(struct sock *sk, void *security);
1419int security_tun_dev_open(void *security);
1420int security_sctp_assoc_request(struct sctp_association *asoc, struct sk_buff *skb);
1421int security_sctp_bind_connect(struct sock *sk, int optname,
1422 struct sockaddr *address, int addrlen);
1423void security_sctp_sk_clone(struct sctp_association *asoc, struct sock *sk,
1424 struct sock *newsk);
1425int security_sctp_assoc_established(struct sctp_association *asoc,
1426 struct sk_buff *skb);
1427
1428#else
1429static inline int security_unix_stream_connect(struct sock *sock,
1430 struct sock *other,
1431 struct sock *newsk)
1432{
1433 return 0;
1434}
1435
1436static inline int security_unix_may_send(struct socket *sock,
1437 struct socket *other)
1438{
1439 return 0;
1440}
1441
1442static inline int security_socket_create(int family, int type,
1443 int protocol, int kern)
1444{
1445 return 0;
1446}
1447
1448static inline int security_socket_post_create(struct socket *sock,
1449 int family,
1450 int type,
1451 int protocol, int kern)
1452{
1453 return 0;
1454}
1455
1456static inline int security_socket_socketpair(struct socket *socka,
1457 struct socket *sockb)
1458{
1459 return 0;
1460}
1461
1462static inline int security_socket_bind(struct socket *sock,
1463 struct sockaddr *address,
1464 int addrlen)
1465{
1466 return 0;
1467}
1468
1469static inline int security_socket_connect(struct socket *sock,
1470 struct sockaddr *address,
1471 int addrlen)
1472{
1473 return 0;
1474}
1475
1476static inline int security_socket_listen(struct socket *sock, int backlog)
1477{
1478 return 0;
1479}
1480
1481static inline int security_socket_accept(struct socket *sock,
1482 struct socket *newsock)
1483{
1484 return 0;
1485}
1486
1487static inline int security_socket_sendmsg(struct socket *sock,
1488 struct msghdr *msg, int size)
1489{
1490 return 0;
1491}
1492
1493static inline int security_socket_recvmsg(struct socket *sock,
1494 struct msghdr *msg, int size,
1495 int flags)
1496{
1497 return 0;
1498}
1499
1500static inline int security_socket_getsockname(struct socket *sock)
1501{
1502 return 0;
1503}
1504
1505static inline int security_socket_getpeername(struct socket *sock)
1506{
1507 return 0;
1508}
1509
1510static inline int security_socket_getsockopt(struct socket *sock,
1511 int level, int optname)
1512{
1513 return 0;
1514}
1515
1516static inline int security_socket_setsockopt(struct socket *sock,
1517 int level, int optname)
1518{
1519 return 0;
1520}
1521
1522static inline int security_socket_shutdown(struct socket *sock, int how)
1523{
1524 return 0;
1525}
1526static inline int security_sock_rcv_skb(struct sock *sk,
1527 struct sk_buff *skb)
1528{
1529 return 0;
1530}
1531
1532static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1533 int __user *optlen, unsigned len)
1534{
1535 return -ENOPROTOOPT;
1536}
1537
1538static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1539{
1540 return -ENOPROTOOPT;
1541}
1542
1543static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1544{
1545 return 0;
1546}
1547
1548static inline void security_sk_free(struct sock *sk)
1549{
1550}
1551
1552static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1553{
1554}
1555
1556static inline void security_sk_classify_flow(struct sock *sk,
1557 struct flowi_common *flic)
1558{
1559}
1560
1561static inline void security_req_classify_flow(const struct request_sock *req,
1562 struct flowi_common *flic)
1563{
1564}
1565
1566static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1567{
1568}
1569
1570static inline int security_inet_conn_request(const struct sock *sk,
1571 struct sk_buff *skb, struct request_sock *req)
1572{
1573 return 0;
1574}
1575
1576static inline void security_inet_csk_clone(struct sock *newsk,
1577 const struct request_sock *req)
1578{
1579}
1580
1581static inline void security_inet_conn_established(struct sock *sk,
1582 struct sk_buff *skb)
1583{
1584}
1585
1586static inline int security_secmark_relabel_packet(u32 secid)
1587{
1588 return 0;
1589}
1590
1591static inline void security_secmark_refcount_inc(void)
1592{
1593}
1594
1595static inline void security_secmark_refcount_dec(void)
1596{
1597}
1598
1599static inline int security_tun_dev_alloc_security(void **security)
1600{
1601 return 0;
1602}
1603
1604static inline void security_tun_dev_free_security(void *security)
1605{
1606}
1607
1608static inline int security_tun_dev_create(void)
1609{
1610 return 0;
1611}
1612
1613static inline int security_tun_dev_attach_queue(void *security)
1614{
1615 return 0;
1616}
1617
1618static inline int security_tun_dev_attach(struct sock *sk, void *security)
1619{
1620 return 0;
1621}
1622
1623static inline int security_tun_dev_open(void *security)
1624{
1625 return 0;
1626}
1627
1628static inline int security_sctp_assoc_request(struct sctp_association *asoc,
1629 struct sk_buff *skb)
1630{
1631 return 0;
1632}
1633
1634static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1635 struct sockaddr *address,
1636 int addrlen)
1637{
1638 return 0;
1639}
1640
1641static inline void security_sctp_sk_clone(struct sctp_association *asoc,
1642 struct sock *sk,
1643 struct sock *newsk)
1644{
1645}
1646
1647static inline int security_sctp_assoc_established(struct sctp_association *asoc,
1648 struct sk_buff *skb)
1649{
1650 return 0;
1651}
1652#endif
1653
1654#ifdef CONFIG_SECURITY_INFINIBAND
1655int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1656int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1657int security_ib_alloc_security(void **sec);
1658void security_ib_free_security(void *sec);
1659#else
1660static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1661{
1662 return 0;
1663}
1664
1665static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1666{
1667 return 0;
1668}
1669
1670static inline int security_ib_alloc_security(void **sec)
1671{
1672 return 0;
1673}
1674
1675static inline void security_ib_free_security(void *sec)
1676{
1677}
1678#endif
1679
1680#ifdef CONFIG_SECURITY_NETWORK_XFRM
1681
1682int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1683 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1684int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1685void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1686int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1687int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1688int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1689 struct xfrm_sec_ctx *polsec, u32 secid);
1690int security_xfrm_state_delete(struct xfrm_state *x);
1691void security_xfrm_state_free(struct xfrm_state *x);
1692int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid);
1693int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1694 struct xfrm_policy *xp,
1695 const struct flowi_common *flic);
1696int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1697void security_skb_classify_flow(struct sk_buff *skb, struct flowi_common *flic);
1698
1699#else
1700
1701static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1702 struct xfrm_user_sec_ctx *sec_ctx,
1703 gfp_t gfp)
1704{
1705 return 0;
1706}
1707
1708static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1709{
1710 return 0;
1711}
1712
1713static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1714{
1715}
1716
1717static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1718{
1719 return 0;
1720}
1721
1722static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1723 struct xfrm_user_sec_ctx *sec_ctx)
1724{
1725 return 0;
1726}
1727
1728static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1729 struct xfrm_sec_ctx *polsec, u32 secid)
1730{
1731 return 0;
1732}
1733
1734static inline void security_xfrm_state_free(struct xfrm_state *x)
1735{
1736}
1737
1738static inline int security_xfrm_state_delete(struct xfrm_state *x)
1739{
1740 return 0;
1741}
1742
1743static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid)
1744{
1745 return 0;
1746}
1747
1748static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1749 struct xfrm_policy *xp,
1750 const struct flowi_common *flic)
1751{
1752 return 1;
1753}
1754
1755static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1756{
1757 return 0;
1758}
1759
1760static inline void security_skb_classify_flow(struct sk_buff *skb,
1761 struct flowi_common *flic)
1762{
1763}
1764
1765#endif
1766
1767#ifdef CONFIG_SECURITY_PATH
1768int security_path_unlink(const struct path *dir, struct dentry *dentry);
1769int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1770int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1771int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1772 unsigned int dev);
1773int security_path_truncate(const struct path *path);
1774int security_path_symlink(const struct path *dir, struct dentry *dentry,
1775 const char *old_name);
1776int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1777 struct dentry *new_dentry);
1778int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1779 const struct path *new_dir, struct dentry *new_dentry,
1780 unsigned int flags);
1781int security_path_chmod(const struct path *path, umode_t mode);
1782int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1783int security_path_chroot(const struct path *path);
1784#else
1785static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1786{
1787 return 0;
1788}
1789
1790static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1791 umode_t mode)
1792{
1793 return 0;
1794}
1795
1796static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1797{
1798 return 0;
1799}
1800
1801static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1802 umode_t mode, unsigned int dev)
1803{
1804 return 0;
1805}
1806
1807static inline int security_path_truncate(const struct path *path)
1808{
1809 return 0;
1810}
1811
1812static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1813 const char *old_name)
1814{
1815 return 0;
1816}
1817
1818static inline int security_path_link(struct dentry *old_dentry,
1819 const struct path *new_dir,
1820 struct dentry *new_dentry)
1821{
1822 return 0;
1823}
1824
1825static inline int security_path_rename(const struct path *old_dir,
1826 struct dentry *old_dentry,
1827 const struct path *new_dir,
1828 struct dentry *new_dentry,
1829 unsigned int flags)
1830{
1831 return 0;
1832}
1833
1834static inline int security_path_chmod(const struct path *path, umode_t mode)
1835{
1836 return 0;
1837}
1838
1839static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1840{
1841 return 0;
1842}
1843
1844static inline int security_path_chroot(const struct path *path)
1845{
1846 return 0;
1847}
1848#endif
1849
1850#ifdef CONFIG_KEYS
1851#ifdef CONFIG_SECURITY
1852
1853int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1854void security_key_free(struct key *key);
1855int security_key_permission(key_ref_t key_ref, const struct cred *cred,
1856 enum key_need_perm need_perm);
1857int security_key_getsecurity(struct key *key, char **_buffer);
1858
1859#else
1860
1861static inline int security_key_alloc(struct key *key,
1862 const struct cred *cred,
1863 unsigned long flags)
1864{
1865 return 0;
1866}
1867
1868static inline void security_key_free(struct key *key)
1869{
1870}
1871
1872static inline int security_key_permission(key_ref_t key_ref,
1873 const struct cred *cred,
1874 enum key_need_perm need_perm)
1875{
1876 return 0;
1877}
1878
1879static inline int security_key_getsecurity(struct key *key, char **_buffer)
1880{
1881 *_buffer = NULL;
1882 return 0;
1883}
1884
1885#endif
1886#endif
1887
1888#ifdef CONFIG_AUDIT
1889#ifdef CONFIG_SECURITY
1890int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1891int security_audit_rule_known(struct audit_krule *krule);
1892int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1893void security_audit_rule_free(void *lsmrule);
1894
1895#else
1896
1897static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1898 void **lsmrule)
1899{
1900 return 0;
1901}
1902
1903static inline int security_audit_rule_known(struct audit_krule *krule)
1904{
1905 return 0;
1906}
1907
1908static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1909 void *lsmrule)
1910{
1911 return 0;
1912}
1913
1914static inline void security_audit_rule_free(void *lsmrule)
1915{ }
1916
1917#endif
1918#endif
1919
1920#ifdef CONFIG_SECURITYFS
1921
1922extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1923 struct dentry *parent, void *data,
1924 const struct file_operations *fops);
1925extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1926struct dentry *securityfs_create_symlink(const char *name,
1927 struct dentry *parent,
1928 const char *target,
1929 const struct inode_operations *iops);
1930extern void securityfs_remove(struct dentry *dentry);
1931
1932#else
1933
1934static inline struct dentry *securityfs_create_dir(const char *name,
1935 struct dentry *parent)
1936{
1937 return ERR_PTR(-ENODEV);
1938}
1939
1940static inline struct dentry *securityfs_create_file(const char *name,
1941 umode_t mode,
1942 struct dentry *parent,
1943 void *data,
1944 const struct file_operations *fops)
1945{
1946 return ERR_PTR(-ENODEV);
1947}
1948
1949static inline struct dentry *securityfs_create_symlink(const char *name,
1950 struct dentry *parent,
1951 const char *target,
1952 const struct inode_operations *iops)
1953{
1954 return ERR_PTR(-ENODEV);
1955}
1956
1957static inline void securityfs_remove(struct dentry *dentry)
1958{}
1959
1960#endif
1961
1962#ifdef CONFIG_BPF_SYSCALL
1963union bpf_attr;
1964struct bpf_map;
1965struct bpf_prog;
1966struct bpf_prog_aux;
1967#ifdef CONFIG_SECURITY
1968extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1969extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1970extern int security_bpf_prog(struct bpf_prog *prog);
1971extern int security_bpf_map_alloc(struct bpf_map *map);
1972extern void security_bpf_map_free(struct bpf_map *map);
1973extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1974extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1975#else
1976static inline int security_bpf(int cmd, union bpf_attr *attr,
1977 unsigned int size)
1978{
1979 return 0;
1980}
1981
1982static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1983{
1984 return 0;
1985}
1986
1987static inline int security_bpf_prog(struct bpf_prog *prog)
1988{
1989 return 0;
1990}
1991
1992static inline int security_bpf_map_alloc(struct bpf_map *map)
1993{
1994 return 0;
1995}
1996
1997static inline void security_bpf_map_free(struct bpf_map *map)
1998{ }
1999
2000static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
2001{
2002 return 0;
2003}
2004
2005static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
2006{ }
2007#endif
2008#endif
2009
2010#ifdef CONFIG_PERF_EVENTS
2011struct perf_event_attr;
2012struct perf_event;
2013
2014#ifdef CONFIG_SECURITY
2015extern int security_perf_event_open(struct perf_event_attr *attr, int type);
2016extern int security_perf_event_alloc(struct perf_event *event);
2017extern void security_perf_event_free(struct perf_event *event);
2018extern int security_perf_event_read(struct perf_event *event);
2019extern int security_perf_event_write(struct perf_event *event);
2020#else
2021static inline int security_perf_event_open(struct perf_event_attr *attr,
2022 int type)
2023{
2024 return 0;
2025}
2026
2027static inline int security_perf_event_alloc(struct perf_event *event)
2028{
2029 return 0;
2030}
2031
2032static inline void security_perf_event_free(struct perf_event *event)
2033{
2034}
2035
2036static inline int security_perf_event_read(struct perf_event *event)
2037{
2038 return 0;
2039}
2040
2041static inline int security_perf_event_write(struct perf_event *event)
2042{
2043 return 0;
2044}
2045#endif
2046#endif
2047
2048#ifdef CONFIG_IO_URING
2049#ifdef CONFIG_SECURITY
2050extern int security_uring_override_creds(const struct cred *new);
2051extern int security_uring_sqpoll(void);
2052#else
2053static inline int security_uring_override_creds(const struct cred *new)
2054{
2055 return 0;
2056}
2057static inline int security_uring_sqpoll(void)
2058{
2059 return 0;
2060}
2061#endif
2062#endif
2063
2064#endif
2065
