1 | /* |
2 | * Linux Security plug |
3 | * |
4 | * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com> |
5 | * Copyright (C) 2001 Greg Kroah-Hartman <greg@kroah.com> |
6 | * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com> |
7 | * Copyright (C) 2001 James Morris <jmorris@intercode.com.au> |
8 | * Copyright (C) 2001 Silicon Graphics, Inc. (Trust Technology Group) |
9 | * Copyright (C) 2016 Mellanox Techonologies |
10 | * |
11 | * This program is free software; you can redistribute it and/or modify |
12 | * it under the terms of the GNU General Public License as published by |
13 | * the Free Software Foundation; either version 2 of the License, or |
14 | * (at your option) any later version. |
15 | * |
16 | * Due to this file being licensed under the GPL there is controversy over |
17 | * whether this permits you to write a module that #includes this file |
18 | * without placing your module under the GPL. Please consult a lawyer for |
19 | * advice before doing this. |
20 | * |
21 | */ |
22 | |
23 | #ifndef __LINUX_SECURITY_H |
24 | #define __LINUX_SECURITY_H |
25 | |
26 | #include <linux/kernel_read_file.h> |
27 | #include <linux/key.h> |
28 | #include <linux/capability.h> |
29 | #include <linux/fs.h> |
30 | #include <linux/slab.h> |
31 | #include <linux/err.h> |
32 | #include <linux/string.h> |
33 | #include <linux/mm.h> |
34 | |
35 | struct linux_binprm; |
36 | struct cred; |
37 | struct rlimit; |
38 | struct kernel_siginfo; |
39 | struct sembuf; |
40 | struct kern_ipc_perm; |
41 | struct audit_context; |
42 | struct super_block; |
43 | struct inode; |
44 | struct dentry; |
45 | struct file; |
46 | struct vfsmount; |
47 | struct path; |
48 | struct qstr; |
49 | struct iattr; |
50 | struct fown_struct; |
51 | struct file_operations; |
52 | struct msg_msg; |
53 | struct xattr; |
54 | struct kernfs_node; |
55 | struct xfrm_sec_ctx; |
56 | struct mm_struct; |
57 | struct fs_context; |
58 | struct fs_parameter; |
59 | enum fs_value_type; |
60 | struct watch; |
61 | struct watch_notification; |
62 | |
63 | /* Default (no) options for the capable function */ |
64 | #define CAP_OPT_NONE 0x0 |
65 | /* If capable should audit the security request */ |
66 | #define CAP_OPT_NOAUDIT BIT(1) |
67 | /* If capable is being called by a setid function */ |
68 | #define CAP_OPT_INSETID BIT(2) |
69 | |
70 | /* LSM Agnostic defines for fs_context::lsm_flags */ |
71 | #define SECURITY_LSM_NATIVE_LABELS 1 |
72 | |
73 | struct ctl_table; |
74 | struct audit_krule; |
75 | struct user_namespace; |
76 | struct timezone; |
77 | |
78 | enum lsm_event { |
79 | LSM_POLICY_CHANGE, |
80 | }; |
81 | |
82 | /* |
83 | * These are reasons that can be passed to the security_locked_down() |
84 | * LSM hook. Lockdown reasons that protect kernel integrity (ie, the |
85 | * ability for userland to modify kernel code) are placed before |
86 | * LOCKDOWN_INTEGRITY_MAX. Lockdown reasons that protect kernel |
87 | * confidentiality (ie, the ability for userland to extract |
88 | * information from the running kernel that would otherwise be |
89 | * restricted) are placed before LOCKDOWN_CONFIDENTIALITY_MAX. |
90 | * |
91 | * LSM authors should note that the semantics of any given lockdown |
92 | * reason are not guaranteed to be stable - the same reason may block |
93 | * one set of features in one kernel release, and a slightly different |
94 | * set of features in a later kernel release. LSMs that seek to expose |
95 | * lockdown policy at any level of granularity other than "none", |
96 | * "integrity" or "confidentiality" are responsible for either |
97 | * ensuring that they expose a consistent level of functionality to |
98 | * userland, or ensuring that userland is aware that this is |
99 | * potentially a moving target. It is easy to misuse this information |
100 | * in a way that could break userspace. Please be careful not to do |
101 | * so. |
102 | * |
103 | * If you add to this, remember to extend lockdown_reasons in |
104 | * security/lockdown/lockdown.c. |
105 | */ |
106 | enum 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_DBG_WRITE_KERNEL, |
125 | LOCKDOWN_INTEGRITY_MAX, |
126 | LOCKDOWN_KCORE, |
127 | LOCKDOWN_KPROBES, |
128 | LOCKDOWN_BPF_READ_KERNEL, |
129 | LOCKDOWN_DBG_READ_KERNEL, |
130 | LOCKDOWN_PERF, |
131 | LOCKDOWN_TRACEFS, |
132 | LOCKDOWN_XMON_RW, |
133 | LOCKDOWN_XFRM_SECRET, |
134 | LOCKDOWN_CONFIDENTIALITY_MAX, |
135 | }; |
136 | |
137 | extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1]; |
138 | |
139 | /* These functions are in security/commoncap.c */ |
140 | extern int cap_capable(const struct cred *cred, struct user_namespace *ns, |
141 | int cap, unsigned int opts); |
142 | extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz); |
143 | extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode); |
144 | extern int cap_ptrace_traceme(struct task_struct *parent); |
145 | extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted); |
146 | extern int cap_capset(struct cred *new, const struct cred *old, |
147 | const kernel_cap_t *effective, |
148 | const kernel_cap_t *inheritable, |
149 | const kernel_cap_t *permitted); |
150 | extern int cap_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file); |
151 | int cap_inode_setxattr(struct dentry *dentry, const char *name, |
152 | const void *value, size_t size, int flags); |
153 | int cap_inode_removexattr(struct user_namespace *mnt_userns, |
154 | struct dentry *dentry, const char *name); |
155 | int cap_inode_need_killpriv(struct dentry *dentry); |
156 | int cap_inode_killpriv(struct user_namespace *mnt_userns, |
157 | struct dentry *dentry); |
158 | int cap_inode_getsecurity(struct user_namespace *mnt_userns, |
159 | struct inode *inode, const char *name, void **buffer, |
160 | bool alloc); |
161 | extern int cap_mmap_addr(unsigned long addr); |
162 | extern int cap_mmap_file(struct file *file, unsigned long reqprot, |
163 | unsigned long prot, unsigned long flags); |
164 | extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags); |
165 | extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
166 | unsigned long arg4, unsigned long arg5); |
167 | extern int cap_task_setscheduler(struct task_struct *p); |
168 | extern int cap_task_setioprio(struct task_struct *p, int ioprio); |
169 | extern int cap_task_setnice(struct task_struct *p, int nice); |
170 | extern int cap_vm_enough_memory(struct mm_struct *mm, long pages); |
171 | |
172 | struct msghdr; |
173 | struct sk_buff; |
174 | struct sock; |
175 | struct sockaddr; |
176 | struct socket; |
177 | struct flowi_common; |
178 | struct dst_entry; |
179 | struct xfrm_selector; |
180 | struct xfrm_policy; |
181 | struct xfrm_state; |
182 | struct xfrm_user_sec_ctx; |
183 | struct seq_file; |
184 | struct sctp_association; |
185 | |
186 | #ifdef CONFIG_MMU |
187 | extern unsigned long mmap_min_addr; |
188 | extern unsigned long dac_mmap_min_addr; |
189 | #else |
190 | #define mmap_min_addr 0UL |
191 | #define dac_mmap_min_addr 0UL |
192 | #endif |
193 | |
194 | /* |
195 | * Values used in the task_security_ops calls |
196 | */ |
197 | /* setuid or setgid, id0 == uid or gid */ |
198 | #define LSM_SETID_ID 1 |
199 | |
200 | /* setreuid or setregid, id0 == real, id1 == eff */ |
201 | #define LSM_SETID_RE 2 |
202 | |
203 | /* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */ |
204 | #define LSM_SETID_RES 4 |
205 | |
206 | /* setfsuid or setfsgid, id0 == fsuid or fsgid */ |
207 | #define LSM_SETID_FS 8 |
208 | |
209 | /* Flags for security_task_prlimit(). */ |
210 | #define LSM_PRLIMIT_READ 1 |
211 | #define LSM_PRLIMIT_WRITE 2 |
212 | |
213 | /* forward declares to avoid warnings */ |
214 | struct sched_param; |
215 | struct request_sock; |
216 | |
217 | /* bprm->unsafe reasons */ |
218 | #define LSM_UNSAFE_SHARE 1 |
219 | #define LSM_UNSAFE_PTRACE 2 |
220 | #define LSM_UNSAFE_NO_NEW_PRIVS 4 |
221 | |
222 | #ifdef CONFIG_MMU |
223 | extern int mmap_min_addr_handler(struct ctl_table *table, int write, |
224 | void *buffer, size_t *lenp, loff_t *ppos); |
225 | #endif |
226 | |
227 | /* security_inode_init_security callback function to write xattrs */ |
228 | typedef int (*initxattrs) (struct inode *inode, |
229 | const struct xattr *xattr_array, void *fs_data); |
230 | |
231 | |
232 | /* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */ |
233 | #define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM, |
234 | #define __data_id_stringify(dummy, str) #str, |
235 | |
236 | enum kernel_load_data_id { |
237 | __kernel_read_file_id(__data_id_enumify) |
238 | }; |
239 | |
240 | static const char * const kernel_load_data_str[] = { |
241 | __kernel_read_file_id(__data_id_stringify) |
242 | }; |
243 | |
244 | static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id) |
245 | { |
246 | if ((unsigned)id >= LOADING_MAX_ID) |
247 | return kernel_load_data_str[LOADING_UNKNOWN]; |
248 | |
249 | return kernel_load_data_str[id]; |
250 | } |
251 | |
252 | #ifdef CONFIG_SECURITY |
253 | |
254 | int call_blocking_lsm_notifier(enum lsm_event event, void *data); |
255 | int register_blocking_lsm_notifier(struct notifier_block *nb); |
256 | int unregister_blocking_lsm_notifier(struct notifier_block *nb); |
257 | |
258 | /* prototypes */ |
259 | extern int security_init(void); |
260 | extern int early_security_init(void); |
261 | |
262 | /* Security operations */ |
263 | int security_binder_set_context_mgr(const struct cred *mgr); |
264 | int security_binder_transaction(const struct cred *from, |
265 | const struct cred *to); |
266 | int security_binder_transfer_binder(const struct cred *from, |
267 | const struct cred *to); |
268 | int security_binder_transfer_file(const struct cred *from, |
269 | const struct cred *to, struct file *file); |
270 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode); |
271 | int security_ptrace_traceme(struct task_struct *parent); |
272 | int security_capget(struct task_struct *target, |
273 | kernel_cap_t *effective, |
274 | kernel_cap_t *inheritable, |
275 | kernel_cap_t *permitted); |
276 | int security_capset(struct cred *new, const struct cred *old, |
277 | const kernel_cap_t *effective, |
278 | const kernel_cap_t *inheritable, |
279 | const kernel_cap_t *permitted); |
280 | int security_capable(const struct cred *cred, |
281 | struct user_namespace *ns, |
282 | int cap, |
283 | unsigned int opts); |
284 | int security_quotactl(int cmds, int type, int id, struct super_block *sb); |
285 | int security_quota_on(struct dentry *dentry); |
286 | int security_syslog(int type); |
287 | int security_settime64(const struct timespec64 *ts, const struct timezone *tz); |
288 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages); |
289 | int security_bprm_creds_for_exec(struct linux_binprm *bprm); |
290 | int security_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file); |
291 | int security_bprm_check(struct linux_binprm *bprm); |
292 | void security_bprm_committing_creds(struct linux_binprm *bprm); |
293 | void security_bprm_committed_creds(struct linux_binprm *bprm); |
294 | int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc); |
295 | int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param); |
296 | int security_sb_alloc(struct super_block *sb); |
297 | void security_sb_delete(struct super_block *sb); |
298 | void security_sb_free(struct super_block *sb); |
299 | void security_free_mnt_opts(void **mnt_opts); |
300 | int security_sb_eat_lsm_opts(char *options, void **mnt_opts); |
301 | int security_sb_mnt_opts_compat(struct super_block *sb, void *mnt_opts); |
302 | int security_sb_remount(struct super_block *sb, void *mnt_opts); |
303 | int security_sb_kern_mount(struct super_block *sb); |
304 | int security_sb_show_options(struct seq_file *m, struct super_block *sb); |
305 | int security_sb_statfs(struct dentry *dentry); |
306 | int security_sb_mount(const char *dev_name, const struct path *path, |
307 | const char *type, unsigned long flags, void *data); |
308 | int security_sb_umount(struct vfsmount *mnt, int flags); |
309 | int security_sb_pivotroot(const struct path *old_path, const struct path *new_path); |
310 | int security_sb_set_mnt_opts(struct super_block *sb, |
311 | void *mnt_opts, |
312 | unsigned long kern_flags, |
313 | unsigned long *set_kern_flags); |
314 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
315 | struct super_block *newsb, |
316 | unsigned long kern_flags, |
317 | unsigned long *set_kern_flags); |
318 | int security_move_mount(const struct path *from_path, const struct path *to_path); |
319 | int security_dentry_init_security(struct dentry *dentry, int mode, |
320 | const struct qstr *name, |
321 | const char **xattr_name, void **ctx, |
322 | u32 *ctxlen); |
323 | int security_dentry_create_files_as(struct dentry *dentry, int mode, |
324 | struct qstr *name, |
325 | const struct cred *old, |
326 | struct cred *new); |
327 | int security_path_notify(const struct path *path, u64 mask, |
328 | unsigned int obj_type); |
329 | int security_inode_alloc(struct inode *inode); |
330 | void security_inode_free(struct inode *inode); |
331 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
332 | const struct qstr *qstr, |
333 | initxattrs initxattrs, void *fs_data); |
334 | int security_inode_init_security_anon(struct inode *inode, |
335 | const struct qstr *name, |
336 | const struct inode *context_inode); |
337 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, |
338 | const struct qstr *qstr, const char **name, |
339 | void **value, size_t *len); |
340 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode); |
341 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, |
342 | struct dentry *new_dentry); |
343 | int security_inode_unlink(struct inode *dir, struct dentry *dentry); |
344 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, |
345 | const char *old_name); |
346 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode); |
347 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry); |
348 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev); |
349 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, |
350 | struct inode *new_dir, struct dentry *new_dentry, |
351 | unsigned int flags); |
352 | int security_inode_readlink(struct dentry *dentry); |
353 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
354 | bool rcu); |
355 | int security_inode_permission(struct inode *inode, int mask); |
356 | int security_inode_setattr(struct user_namespace *mnt_userns, |
357 | struct dentry *dentry, struct iattr *attr); |
358 | int security_inode_getattr(const struct path *path); |
359 | int security_inode_setxattr(struct user_namespace *mnt_userns, |
360 | struct dentry *dentry, const char *name, |
361 | const void *value, size_t size, int flags); |
362 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
363 | const void *value, size_t size, int flags); |
364 | int security_inode_getxattr(struct dentry *dentry, const char *name); |
365 | int security_inode_listxattr(struct dentry *dentry); |
366 | int security_inode_removexattr(struct user_namespace *mnt_userns, |
367 | struct dentry *dentry, const char *name); |
368 | int security_inode_need_killpriv(struct dentry *dentry); |
369 | int security_inode_killpriv(struct user_namespace *mnt_userns, |
370 | struct dentry *dentry); |
371 | int security_inode_getsecurity(struct user_namespace *mnt_userns, |
372 | struct inode *inode, const char *name, |
373 | void **buffer, bool alloc); |
374 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags); |
375 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size); |
376 | void security_inode_getsecid(struct inode *inode, u32 *secid); |
377 | int security_inode_copy_up(struct dentry *src, struct cred **new); |
378 | int security_inode_copy_up_xattr(const char *name); |
379 | int security_kernfs_init_security(struct kernfs_node *kn_dir, |
380 | struct kernfs_node *kn); |
381 | int security_file_permission(struct file *file, int mask); |
382 | int security_file_alloc(struct file *file); |
383 | void security_file_free(struct file *file); |
384 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg); |
385 | int security_mmap_file(struct file *file, unsigned long prot, |
386 | unsigned long flags); |
387 | int security_mmap_addr(unsigned long addr); |
388 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
389 | unsigned long prot); |
390 | int security_file_lock(struct file *file, unsigned int cmd); |
391 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg); |
392 | void security_file_set_fowner(struct file *file); |
393 | int security_file_send_sigiotask(struct task_struct *tsk, |
394 | struct fown_struct *fown, int sig); |
395 | int security_file_receive(struct file *file); |
396 | int security_file_open(struct file *file); |
397 | int security_task_alloc(struct task_struct *task, unsigned long clone_flags); |
398 | void security_task_free(struct task_struct *task); |
399 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp); |
400 | void security_cred_free(struct cred *cred); |
401 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp); |
402 | void security_transfer_creds(struct cred *new, const struct cred *old); |
403 | void security_cred_getsecid(const struct cred *c, u32 *secid); |
404 | int security_kernel_act_as(struct cred *new, u32 secid); |
405 | int security_kernel_create_files_as(struct cred *new, struct inode *inode); |
406 | int security_kernel_module_request(char *kmod_name); |
407 | int security_kernel_load_data(enum kernel_load_data_id id, bool contents); |
408 | int security_kernel_post_load_data(char *buf, loff_t size, |
409 | enum kernel_load_data_id id, |
410 | char *description); |
411 | int security_kernel_read_file(struct file *file, enum kernel_read_file_id id, |
412 | bool contents); |
413 | int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, |
414 | enum kernel_read_file_id id); |
415 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
416 | int flags); |
417 | int security_task_fix_setgid(struct cred *new, const struct cred *old, |
418 | int flags); |
419 | int security_task_fix_setgroups(struct cred *new, const struct cred *old); |
420 | int security_task_setpgid(struct task_struct *p, pid_t pgid); |
421 | int security_task_getpgid(struct task_struct *p); |
422 | int security_task_getsid(struct task_struct *p); |
423 | void security_current_getsecid_subj(u32 *secid); |
424 | void security_task_getsecid_obj(struct task_struct *p, u32 *secid); |
425 | int security_task_setnice(struct task_struct *p, int nice); |
426 | int security_task_setioprio(struct task_struct *p, int ioprio); |
427 | int security_task_getioprio(struct task_struct *p); |
428 | int security_task_prlimit(const struct cred *cred, const struct cred *tcred, |
429 | unsigned int flags); |
430 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
431 | struct rlimit *new_rlim); |
432 | int security_task_setscheduler(struct task_struct *p); |
433 | int security_task_getscheduler(struct task_struct *p); |
434 | int security_task_movememory(struct task_struct *p); |
435 | int security_task_kill(struct task_struct *p, struct kernel_siginfo *info, |
436 | int sig, const struct cred *cred); |
437 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
438 | unsigned long arg4, unsigned long arg5); |
439 | void security_task_to_inode(struct task_struct *p, struct inode *inode); |
440 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag); |
441 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid); |
442 | int security_msg_msg_alloc(struct msg_msg *msg); |
443 | void security_msg_msg_free(struct msg_msg *msg); |
444 | int security_msg_queue_alloc(struct kern_ipc_perm *msq); |
445 | void security_msg_queue_free(struct kern_ipc_perm *msq); |
446 | int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg); |
447 | int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd); |
448 | int security_msg_queue_msgsnd(struct kern_ipc_perm *msq, |
449 | struct msg_msg *msg, int msqflg); |
450 | int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg, |
451 | struct task_struct *target, long type, int mode); |
452 | int security_shm_alloc(struct kern_ipc_perm *shp); |
453 | void security_shm_free(struct kern_ipc_perm *shp); |
454 | int security_shm_associate(struct kern_ipc_perm *shp, int shmflg); |
455 | int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd); |
456 | int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg); |
457 | int security_sem_alloc(struct kern_ipc_perm *sma); |
458 | void security_sem_free(struct kern_ipc_perm *sma); |
459 | int security_sem_associate(struct kern_ipc_perm *sma, int semflg); |
460 | int security_sem_semctl(struct kern_ipc_perm *sma, int cmd); |
461 | int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops, |
462 | unsigned nsops, int alter); |
463 | void security_d_instantiate(struct dentry *dentry, struct inode *inode); |
464 | int security_getprocattr(struct task_struct *p, const char *lsm, char *name, |
465 | char **value); |
466 | int security_setprocattr(const char *lsm, const char *name, void *value, |
467 | size_t size); |
468 | int security_netlink_send(struct sock *sk, struct sk_buff *skb); |
469 | int security_ismaclabel(const char *name); |
470 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen); |
471 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid); |
472 | void security_release_secctx(char *secdata, u32 seclen); |
473 | void security_inode_invalidate_secctx(struct inode *inode); |
474 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen); |
475 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen); |
476 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen); |
477 | int security_locked_down(enum lockdown_reason what); |
478 | #else /* CONFIG_SECURITY */ |
479 | |
480 | static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data) |
481 | { |
482 | return 0; |
483 | } |
484 | |
485 | static inline int register_blocking_lsm_notifier(struct notifier_block *nb) |
486 | { |
487 | return 0; |
488 | } |
489 | |
490 | static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb) |
491 | { |
492 | return 0; |
493 | } |
494 | |
495 | static inline void security_free_mnt_opts(void **mnt_opts) |
496 | { |
497 | } |
498 | |
499 | /* |
500 | * This is the default capabilities functionality. Most of these functions |
501 | * are just stubbed out, but a few must call the proper capable code. |
502 | */ |
503 | |
504 | static inline int security_init(void) |
505 | { |
506 | return 0; |
507 | } |
508 | |
509 | static inline int early_security_init(void) |
510 | { |
511 | return 0; |
512 | } |
513 | |
514 | static inline int security_binder_set_context_mgr(const struct cred *mgr) |
515 | { |
516 | return 0; |
517 | } |
518 | |
519 | static inline int security_binder_transaction(const struct cred *from, |
520 | const struct cred *to) |
521 | { |
522 | return 0; |
523 | } |
524 | |
525 | static inline int security_binder_transfer_binder(const struct cred *from, |
526 | const struct cred *to) |
527 | { |
528 | return 0; |
529 | } |
530 | |
531 | static inline int security_binder_transfer_file(const struct cred *from, |
532 | const struct cred *to, |
533 | struct file *file) |
534 | { |
535 | return 0; |
536 | } |
537 | |
538 | static inline int security_ptrace_access_check(struct task_struct *child, |
539 | unsigned int mode) |
540 | { |
541 | return cap_ptrace_access_check(child, mode); |
542 | } |
543 | |
544 | static inline int security_ptrace_traceme(struct task_struct *parent) |
545 | { |
546 | return cap_ptrace_traceme(parent); |
547 | } |
548 | |
549 | static inline int security_capget(struct task_struct *target, |
550 | kernel_cap_t *effective, |
551 | kernel_cap_t *inheritable, |
552 | kernel_cap_t *permitted) |
553 | { |
554 | return cap_capget(target, effective, inheritable, permitted); |
555 | } |
556 | |
557 | static inline int security_capset(struct cred *new, |
558 | const struct cred *old, |
559 | const kernel_cap_t *effective, |
560 | const kernel_cap_t *inheritable, |
561 | const kernel_cap_t *permitted) |
562 | { |
563 | return cap_capset(new, old, effective, inheritable, permitted); |
564 | } |
565 | |
566 | static inline int security_capable(const struct cred *cred, |
567 | struct user_namespace *ns, |
568 | int cap, |
569 | unsigned int opts) |
570 | { |
571 | return cap_capable(cred, ns, cap, opts); |
572 | } |
573 | |
574 | static inline int security_quotactl(int cmds, int type, int id, |
575 | struct super_block *sb) |
576 | { |
577 | return 0; |
578 | } |
579 | |
580 | static inline int security_quota_on(struct dentry *dentry) |
581 | { |
582 | return 0; |
583 | } |
584 | |
585 | static inline int security_syslog(int type) |
586 | { |
587 | return 0; |
588 | } |
589 | |
590 | static inline int security_settime64(const struct timespec64 *ts, |
591 | const struct timezone *tz) |
592 | { |
593 | return cap_settime(ts, tz); |
594 | } |
595 | |
596 | static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
597 | { |
598 | return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages)); |
599 | } |
600 | |
601 | static inline int security_bprm_creds_for_exec(struct linux_binprm *bprm) |
602 | { |
603 | return 0; |
604 | } |
605 | |
606 | static inline int security_bprm_creds_from_file(struct linux_binprm *bprm, |
607 | struct file *file) |
608 | { |
609 | return cap_bprm_creds_from_file(bprm, file); |
610 | } |
611 | |
612 | static inline int security_bprm_check(struct linux_binprm *bprm) |
613 | { |
614 | return 0; |
615 | } |
616 | |
617 | static inline void security_bprm_committing_creds(struct linux_binprm *bprm) |
618 | { |
619 | } |
620 | |
621 | static inline void security_bprm_committed_creds(struct linux_binprm *bprm) |
622 | { |
623 | } |
624 | |
625 | static inline int security_fs_context_dup(struct fs_context *fc, |
626 | struct fs_context *src_fc) |
627 | { |
628 | return 0; |
629 | } |
630 | static inline int security_fs_context_parse_param(struct fs_context *fc, |
631 | struct fs_parameter *param) |
632 | { |
633 | return -ENOPARAM; |
634 | } |
635 | |
636 | static inline int security_sb_alloc(struct super_block *sb) |
637 | { |
638 | return 0; |
639 | } |
640 | |
641 | static inline void security_sb_delete(struct super_block *sb) |
642 | { } |
643 | |
644 | static inline void security_sb_free(struct super_block *sb) |
645 | { } |
646 | |
647 | static inline int security_sb_eat_lsm_opts(char *options, |
648 | void **mnt_opts) |
649 | { |
650 | return 0; |
651 | } |
652 | |
653 | static inline int security_sb_remount(struct super_block *sb, |
654 | void *mnt_opts) |
655 | { |
656 | return 0; |
657 | } |
658 | |
659 | static inline int security_sb_mnt_opts_compat(struct super_block *sb, |
660 | void *mnt_opts) |
661 | { |
662 | return 0; |
663 | } |
664 | |
665 | |
666 | static inline int security_sb_kern_mount(struct super_block *sb) |
667 | { |
668 | return 0; |
669 | } |
670 | |
671 | static inline int security_sb_show_options(struct seq_file *m, |
672 | struct super_block *sb) |
673 | { |
674 | return 0; |
675 | } |
676 | |
677 | static inline int security_sb_statfs(struct dentry *dentry) |
678 | { |
679 | return 0; |
680 | } |
681 | |
682 | static inline int security_sb_mount(const char *dev_name, const struct path *path, |
683 | const char *type, unsigned long flags, |
684 | void *data) |
685 | { |
686 | return 0; |
687 | } |
688 | |
689 | static inline int security_sb_umount(struct vfsmount *mnt, int flags) |
690 | { |
691 | return 0; |
692 | } |
693 | |
694 | static inline int security_sb_pivotroot(const struct path *old_path, |
695 | const struct path *new_path) |
696 | { |
697 | return 0; |
698 | } |
699 | |
700 | static inline int security_sb_set_mnt_opts(struct super_block *sb, |
701 | void *mnt_opts, |
702 | unsigned long kern_flags, |
703 | unsigned long *set_kern_flags) |
704 | { |
705 | return 0; |
706 | } |
707 | |
708 | static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
709 | struct super_block *newsb, |
710 | unsigned long kern_flags, |
711 | unsigned long *set_kern_flags) |
712 | { |
713 | return 0; |
714 | } |
715 | |
716 | static inline int security_move_mount(const struct path *from_path, |
717 | const struct path *to_path) |
718 | { |
719 | return 0; |
720 | } |
721 | |
722 | static inline int security_path_notify(const struct path *path, u64 mask, |
723 | unsigned int obj_type) |
724 | { |
725 | return 0; |
726 | } |
727 | |
728 | static inline int security_inode_alloc(struct inode *inode) |
729 | { |
730 | return 0; |
731 | } |
732 | |
733 | static inline void security_inode_free(struct inode *inode) |
734 | { } |
735 | |
736 | static inline int security_dentry_init_security(struct dentry *dentry, |
737 | int mode, |
738 | const struct qstr *name, |
739 | const char **xattr_name, |
740 | void **ctx, |
741 | u32 *ctxlen) |
742 | { |
743 | return -EOPNOTSUPP; |
744 | } |
745 | |
746 | static inline int security_dentry_create_files_as(struct dentry *dentry, |
747 | int mode, struct qstr *name, |
748 | const struct cred *old, |
749 | struct cred *new) |
750 | { |
751 | return 0; |
752 | } |
753 | |
754 | |
755 | static inline int security_inode_init_security(struct inode *inode, |
756 | struct inode *dir, |
757 | const struct qstr *qstr, |
758 | const initxattrs xattrs, |
759 | void *fs_data) |
760 | { |
761 | return 0; |
762 | } |
763 | |
764 | static inline int security_inode_init_security_anon(struct inode *inode, |
765 | const struct qstr *name, |
766 | const struct inode *context_inode) |
767 | { |
768 | return 0; |
769 | } |
770 | |
771 | static inline int security_old_inode_init_security(struct inode *inode, |
772 | struct inode *dir, |
773 | const struct qstr *qstr, |
774 | const char **name, |
775 | void **value, size_t *len) |
776 | { |
777 | return -EOPNOTSUPP; |
778 | } |
779 | |
780 | static inline int security_inode_create(struct inode *dir, |
781 | struct dentry *dentry, |
782 | umode_t mode) |
783 | { |
784 | return 0; |
785 | } |
786 | |
787 | static inline int security_inode_link(struct dentry *old_dentry, |
788 | struct inode *dir, |
789 | struct dentry *new_dentry) |
790 | { |
791 | return 0; |
792 | } |
793 | |
794 | static inline int security_inode_unlink(struct inode *dir, |
795 | struct dentry *dentry) |
796 | { |
797 | return 0; |
798 | } |
799 | |
800 | static inline int security_inode_symlink(struct inode *dir, |
801 | struct dentry *dentry, |
802 | const char *old_name) |
803 | { |
804 | return 0; |
805 | } |
806 | |
807 | static inline int security_inode_mkdir(struct inode *dir, |
808 | struct dentry *dentry, |
809 | int mode) |
810 | { |
811 | return 0; |
812 | } |
813 | |
814 | static inline int security_inode_rmdir(struct inode *dir, |
815 | struct dentry *dentry) |
816 | { |
817 | return 0; |
818 | } |
819 | |
820 | static inline int security_inode_mknod(struct inode *dir, |
821 | struct dentry *dentry, |
822 | int mode, dev_t dev) |
823 | { |
824 | return 0; |
825 | } |
826 | |
827 | static inline int security_inode_rename(struct inode *old_dir, |
828 | struct dentry *old_dentry, |
829 | struct inode *new_dir, |
830 | struct dentry *new_dentry, |
831 | unsigned int flags) |
832 | { |
833 | return 0; |
834 | } |
835 | |
836 | static inline int security_inode_readlink(struct dentry *dentry) |
837 | { |
838 | return 0; |
839 | } |
840 | |
841 | static inline int security_inode_follow_link(struct dentry *dentry, |
842 | struct inode *inode, |
843 | bool rcu) |
844 | { |
845 | return 0; |
846 | } |
847 | |
848 | static inline int security_inode_permission(struct inode *inode, int mask) |
849 | { |
850 | return 0; |
851 | } |
852 | |
853 | static inline int security_inode_setattr(struct user_namespace *mnt_userns, |
854 | struct dentry *dentry, |
855 | struct iattr *attr) |
856 | { |
857 | return 0; |
858 | } |
859 | |
860 | static inline int security_inode_getattr(const struct path *path) |
861 | { |
862 | return 0; |
863 | } |
864 | |
865 | static inline int security_inode_setxattr(struct user_namespace *mnt_userns, |
866 | struct dentry *dentry, const char *name, const void *value, |
867 | size_t size, int flags) |
868 | { |
869 | return cap_inode_setxattr(dentry, name, value, size, flags); |
870 | } |
871 | |
872 | static inline void security_inode_post_setxattr(struct dentry *dentry, |
873 | const char *name, const void *value, size_t size, int flags) |
874 | { } |
875 | |
876 | static inline int security_inode_getxattr(struct dentry *dentry, |
877 | const char *name) |
878 | { |
879 | return 0; |
880 | } |
881 | |
882 | static inline int security_inode_listxattr(struct dentry *dentry) |
883 | { |
884 | return 0; |
885 | } |
886 | |
887 | static inline int security_inode_removexattr(struct user_namespace *mnt_userns, |
888 | struct dentry *dentry, |
889 | const char *name) |
890 | { |
891 | return cap_inode_removexattr(mnt_userns, dentry, name); |
892 | } |
893 | |
894 | static inline int security_inode_need_killpriv(struct dentry *dentry) |
895 | { |
896 | return cap_inode_need_killpriv(dentry); |
897 | } |
898 | |
899 | static inline int security_inode_killpriv(struct user_namespace *mnt_userns, |
900 | struct dentry *dentry) |
901 | { |
902 | return cap_inode_killpriv(mnt_userns, dentry); |
903 | } |
904 | |
905 | static inline int security_inode_getsecurity(struct user_namespace *mnt_userns, |
906 | struct inode *inode, |
907 | const char *name, void **buffer, |
908 | bool alloc) |
909 | { |
910 | return cap_inode_getsecurity(mnt_userns, inode, name, buffer, alloc); |
911 | } |
912 | |
913 | static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) |
914 | { |
915 | return -EOPNOTSUPP; |
916 | } |
917 | |
918 | static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) |
919 | { |
920 | return 0; |
921 | } |
922 | |
923 | static inline void security_inode_getsecid(struct inode *inode, u32 *secid) |
924 | { |
925 | *secid = 0; |
926 | } |
927 | |
928 | static inline int security_inode_copy_up(struct dentry *src, struct cred **new) |
929 | { |
930 | return 0; |
931 | } |
932 | |
933 | static inline int security_kernfs_init_security(struct kernfs_node *kn_dir, |
934 | struct kernfs_node *kn) |
935 | { |
936 | return 0; |
937 | } |
938 | |
939 | static inline int security_inode_copy_up_xattr(const char *name) |
940 | { |
941 | return -EOPNOTSUPP; |
942 | } |
943 | |
944 | static inline int security_file_permission(struct file *file, int mask) |
945 | { |
946 | return 0; |
947 | } |
948 | |
949 | static inline int security_file_alloc(struct file *file) |
950 | { |
951 | return 0; |
952 | } |
953 | |
954 | static inline void security_file_free(struct file *file) |
955 | { } |
956 | |
957 | static inline int security_file_ioctl(struct file *file, unsigned int cmd, |
958 | unsigned long arg) |
959 | { |
960 | return 0; |
961 | } |
962 | |
963 | static inline int security_mmap_file(struct file *file, unsigned long prot, |
964 | unsigned long flags) |
965 | { |
966 | return 0; |
967 | } |
968 | |
969 | static inline int security_mmap_addr(unsigned long addr) |
970 | { |
971 | return cap_mmap_addr(addr); |
972 | } |
973 | |
974 | static inline int security_file_mprotect(struct vm_area_struct *vma, |
975 | unsigned long reqprot, |
976 | unsigned long prot) |
977 | { |
978 | return 0; |
979 | } |
980 | |
981 | static inline int security_file_lock(struct file *file, unsigned int cmd) |
982 | { |
983 | return 0; |
984 | } |
985 | |
986 | static inline int security_file_fcntl(struct file *file, unsigned int cmd, |
987 | unsigned long arg) |
988 | { |
989 | return 0; |
990 | } |
991 | |
992 | static inline void security_file_set_fowner(struct file *file) |
993 | { |
994 | return; |
995 | } |
996 | |
997 | static inline int security_file_send_sigiotask(struct task_struct *tsk, |
998 | struct fown_struct *fown, |
999 | int sig) |
1000 | { |
1001 | return 0; |
1002 | } |
1003 | |
1004 | static inline int security_file_receive(struct file *file) |
1005 | { |
1006 | return 0; |
1007 | } |
1008 | |
1009 | static inline int security_file_open(struct file *file) |
1010 | { |
1011 | return 0; |
1012 | } |
1013 | |
1014 | static inline int security_task_alloc(struct task_struct *task, |
1015 | unsigned long clone_flags) |
1016 | { |
1017 | return 0; |
1018 | } |
1019 | |
1020 | static inline void security_task_free(struct task_struct *task) |
1021 | { } |
1022 | |
1023 | static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
1024 | { |
1025 | return 0; |
1026 | } |
1027 | |
1028 | static inline void security_cred_free(struct cred *cred) |
1029 | { } |
1030 | |
1031 | static inline int security_prepare_creds(struct cred *new, |
1032 | const struct cred *old, |
1033 | gfp_t gfp) |
1034 | { |
1035 | return 0; |
1036 | } |
1037 | |
1038 | static inline void security_transfer_creds(struct cred *new, |
1039 | const struct cred *old) |
1040 | { |
1041 | } |
1042 | |
1043 | static inline void security_cred_getsecid(const struct cred *c, u32 *secid) |
1044 | { |
1045 | *secid = 0; |
1046 | } |
1047 | |
1048 | static inline int security_kernel_act_as(struct cred *cred, u32 secid) |
1049 | { |
1050 | return 0; |
1051 | } |
1052 | |
1053 | static inline int security_kernel_create_files_as(struct cred *cred, |
1054 | struct inode *inode) |
1055 | { |
1056 | return 0; |
1057 | } |
1058 | |
1059 | static inline int security_kernel_module_request(char *kmod_name) |
1060 | { |
1061 | return 0; |
1062 | } |
1063 | |
1064 | static inline int security_kernel_load_data(enum kernel_load_data_id id, bool contents) |
1065 | { |
1066 | return 0; |
1067 | } |
1068 | |
1069 | static inline int security_kernel_post_load_data(char *buf, loff_t size, |
1070 | enum kernel_load_data_id id, |
1071 | char *description) |
1072 | { |
1073 | return 0; |
1074 | } |
1075 | |
1076 | static inline int security_kernel_read_file(struct file *file, |
1077 | enum kernel_read_file_id id, |
1078 | bool contents) |
1079 | { |
1080 | return 0; |
1081 | } |
1082 | |
1083 | static inline int security_kernel_post_read_file(struct file *file, |
1084 | char *buf, loff_t size, |
1085 | enum kernel_read_file_id id) |
1086 | { |
1087 | return 0; |
1088 | } |
1089 | |
1090 | static inline int security_task_fix_setuid(struct cred *new, |
1091 | const struct cred *old, |
1092 | int flags) |
1093 | { |
1094 | return cap_task_fix_setuid(new, old, flags); |
1095 | } |
1096 | |
1097 | static inline int security_task_fix_setgid(struct cred *new, |
1098 | const struct cred *old, |
1099 | int flags) |
1100 | { |
1101 | return 0; |
1102 | } |
1103 | |
1104 | static inline int security_task_fix_setgroups(struct cred *new, |
1105 | const struct cred *old) |
1106 | { |
1107 | return 0; |
1108 | } |
1109 | |
1110 | static inline int security_task_setpgid(struct task_struct *p, pid_t pgid) |
1111 | { |
1112 | return 0; |
1113 | } |
1114 | |
1115 | static inline int security_task_getpgid(struct task_struct *p) |
1116 | { |
1117 | return 0; |
1118 | } |
1119 | |
1120 | static inline int security_task_getsid(struct task_struct *p) |
1121 | { |
1122 | return 0; |
1123 | } |
1124 | |
1125 | static inline void security_current_getsecid_subj(u32 *secid) |
1126 | { |
1127 | *secid = 0; |
1128 | } |
1129 | |
1130 | static inline void security_task_getsecid_obj(struct task_struct *p, u32 *secid) |
1131 | { |
1132 | *secid = 0; |
1133 | } |
1134 | |
1135 | static inline int security_task_setnice(struct task_struct *p, int nice) |
1136 | { |
1137 | return cap_task_setnice(p, nice); |
1138 | } |
1139 | |
1140 | static inline int security_task_setioprio(struct task_struct *p, int ioprio) |
1141 | { |
1142 | return cap_task_setioprio(p, ioprio); |
1143 | } |
1144 | |
1145 | static inline int security_task_getioprio(struct task_struct *p) |
1146 | { |
1147 | return 0; |
1148 | } |
1149 | |
1150 | static inline int security_task_prlimit(const struct cred *cred, |
1151 | const struct cred *tcred, |
1152 | unsigned int flags) |
1153 | { |
1154 | return 0; |
1155 | } |
1156 | |
1157 | static inline int security_task_setrlimit(struct task_struct *p, |
1158 | unsigned int resource, |
1159 | struct rlimit *new_rlim) |
1160 | { |
1161 | return 0; |
1162 | } |
1163 | |
1164 | static inline int security_task_setscheduler(struct task_struct *p) |
1165 | { |
1166 | return cap_task_setscheduler(p); |
1167 | } |
1168 | |
1169 | static inline int security_task_getscheduler(struct task_struct *p) |
1170 | { |
1171 | return 0; |
1172 | } |
1173 | |
1174 | static inline int security_task_movememory(struct task_struct *p) |
1175 | { |
1176 | return 0; |
1177 | } |
1178 | |
1179 | static inline int security_task_kill(struct task_struct *p, |
1180 | struct kernel_siginfo *info, int sig, |
1181 | const struct cred *cred) |
1182 | { |
1183 | return 0; |
1184 | } |
1185 | |
1186 | static inline int security_task_prctl(int option, unsigned long arg2, |
1187 | unsigned long arg3, |
1188 | unsigned long arg4, |
1189 | unsigned long arg5) |
1190 | { |
1191 | return cap_task_prctl(option, arg2, arg3, arg4, arg5); |
1192 | } |
1193 | |
1194 | static inline void security_task_to_inode(struct task_struct *p, struct inode *inode) |
1195 | { } |
1196 | |
1197 | static inline int security_ipc_permission(struct kern_ipc_perm *ipcp, |
1198 | short flag) |
1199 | { |
1200 | return 0; |
1201 | } |
1202 | |
1203 | static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
1204 | { |
1205 | *secid = 0; |
1206 | } |
1207 | |
1208 | static inline int security_msg_msg_alloc(struct msg_msg *msg) |
1209 | { |
1210 | return 0; |
1211 | } |
1212 | |
1213 | static inline void security_msg_msg_free(struct msg_msg *msg) |
1214 | { } |
1215 | |
1216 | static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq) |
1217 | { |
1218 | return 0; |
1219 | } |
1220 | |
1221 | static inline void security_msg_queue_free(struct kern_ipc_perm *msq) |
1222 | { } |
1223 | |
1224 | static inline int security_msg_queue_associate(struct kern_ipc_perm *msq, |
1225 | int msqflg) |
1226 | { |
1227 | return 0; |
1228 | } |
1229 | |
1230 | static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd) |
1231 | { |
1232 | return 0; |
1233 | } |
1234 | |
1235 | static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq, |
1236 | struct msg_msg *msg, int msqflg) |
1237 | { |
1238 | return 0; |
1239 | } |
1240 | |
1241 | static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, |
1242 | struct msg_msg *msg, |
1243 | struct task_struct *target, |
1244 | long type, int mode) |
1245 | { |
1246 | return 0; |
1247 | } |
1248 | |
1249 | static inline int security_shm_alloc(struct kern_ipc_perm *shp) |
1250 | { |
1251 | return 0; |
1252 | } |
1253 | |
1254 | static inline void security_shm_free(struct kern_ipc_perm *shp) |
1255 | { } |
1256 | |
1257 | static inline int security_shm_associate(struct kern_ipc_perm *shp, |
1258 | int shmflg) |
1259 | { |
1260 | return 0; |
1261 | } |
1262 | |
1263 | static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd) |
1264 | { |
1265 | return 0; |
1266 | } |
1267 | |
1268 | static inline int security_shm_shmat(struct kern_ipc_perm *shp, |
1269 | char __user *shmaddr, int shmflg) |
1270 | { |
1271 | return 0; |
1272 | } |
1273 | |
1274 | static inline int security_sem_alloc(struct kern_ipc_perm *sma) |
1275 | { |
1276 | return 0; |
1277 | } |
1278 | |
1279 | static inline void security_sem_free(struct kern_ipc_perm *sma) |
1280 | { } |
1281 | |
1282 | static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg) |
1283 | { |
1284 | return 0; |
1285 | } |
1286 | |
1287 | static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd) |
1288 | { |
1289 | return 0; |
1290 | } |
1291 | |
1292 | static inline int security_sem_semop(struct kern_ipc_perm *sma, |
1293 | struct sembuf *sops, unsigned nsops, |
1294 | int alter) |
1295 | { |
1296 | return 0; |
1297 | } |
1298 | |
1299 | static inline void security_d_instantiate(struct dentry *dentry, |
1300 | struct inode *inode) |
1301 | { } |
1302 | |
1303 | static inline int security_getprocattr(struct task_struct *p, const char *lsm, |
1304 | char *name, char **value) |
1305 | { |
1306 | return -EINVAL; |
1307 | } |
1308 | |
1309 | static inline int security_setprocattr(const char *lsm, char *name, |
1310 | void *value, size_t size) |
1311 | { |
1312 | return -EINVAL; |
1313 | } |
1314 | |
1315 | static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb) |
1316 | { |
1317 | return 0; |
1318 | } |
1319 | |
1320 | static inline int security_ismaclabel(const char *name) |
1321 | { |
1322 | return 0; |
1323 | } |
1324 | |
1325 | static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1326 | { |
1327 | return -EOPNOTSUPP; |
1328 | } |
1329 | |
1330 | static inline int security_secctx_to_secid(const char *secdata, |
1331 | u32 seclen, |
1332 | u32 *secid) |
1333 | { |
1334 | return -EOPNOTSUPP; |
1335 | } |
1336 | |
1337 | static inline void security_release_secctx(char *secdata, u32 seclen) |
1338 | { |
1339 | } |
1340 | |
1341 | static inline void security_inode_invalidate_secctx(struct inode *inode) |
1342 | { |
1343 | } |
1344 | |
1345 | static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1346 | { |
1347 | return -EOPNOTSUPP; |
1348 | } |
1349 | static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) |
1350 | { |
1351 | return -EOPNOTSUPP; |
1352 | } |
1353 | static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) |
1354 | { |
1355 | return -EOPNOTSUPP; |
1356 | } |
1357 | static inline int security_locked_down(enum lockdown_reason what) |
1358 | { |
1359 | return 0; |
1360 | } |
1361 | #endif /* CONFIG_SECURITY */ |
1362 | |
1363 | #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE) |
1364 | int security_post_notification(const struct cred *w_cred, |
1365 | const struct cred *cred, |
1366 | struct watch_notification *n); |
1367 | #else |
1368 | static inline int security_post_notification(const struct cred *w_cred, |
1369 | const struct cred *cred, |
1370 | struct watch_notification *n) |
1371 | { |
1372 | return 0; |
1373 | } |
1374 | #endif |
1375 | |
1376 | #if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS) |
1377 | int security_watch_key(struct key *key); |
1378 | #else |
1379 | static inline int security_watch_key(struct key *key) |
1380 | { |
1381 | return 0; |
1382 | } |
1383 | #endif |
1384 | |
1385 | #ifdef CONFIG_SECURITY_NETWORK |
1386 | |
1387 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk); |
1388 | int security_unix_may_send(struct socket *sock, struct socket *other); |
1389 | int security_socket_create(int family, int type, int protocol, int kern); |
1390 | int security_socket_post_create(struct socket *sock, int family, |
1391 | int type, int protocol, int kern); |
1392 | int security_socket_socketpair(struct socket *socka, struct socket *sockb); |
1393 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen); |
1394 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen); |
1395 | int security_socket_listen(struct socket *sock, int backlog); |
1396 | int security_socket_accept(struct socket *sock, struct socket *newsock); |
1397 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size); |
1398 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, |
1399 | int size, int flags); |
1400 | int security_socket_getsockname(struct socket *sock); |
1401 | int security_socket_getpeername(struct socket *sock); |
1402 | int security_socket_getsockopt(struct socket *sock, int level, int optname); |
1403 | int security_socket_setsockopt(struct socket *sock, int level, int optname); |
1404 | int security_socket_shutdown(struct socket *sock, int how); |
1405 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb); |
1406 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, |
1407 | int __user *optlen, unsigned len); |
1408 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid); |
1409 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority); |
1410 | void security_sk_free(struct sock *sk); |
1411 | void security_sk_clone(const struct sock *sk, struct sock *newsk); |
1412 | void security_sk_classify_flow(struct sock *sk, struct flowi_common *flic); |
1413 | void security_req_classify_flow(const struct request_sock *req, |
1414 | struct flowi_common *flic); |
1415 | void security_sock_graft(struct sock*sk, struct socket *parent); |
1416 | int security_inet_conn_request(const struct sock *sk, |
1417 | struct sk_buff *skb, struct request_sock *req); |
1418 | void security_inet_csk_clone(struct sock *newsk, |
1419 | const struct request_sock *req); |
1420 | void security_inet_conn_established(struct sock *sk, |
1421 | struct sk_buff *skb); |
1422 | int security_secmark_relabel_packet(u32 secid); |
1423 | void security_secmark_refcount_inc(void); |
1424 | void security_secmark_refcount_dec(void); |
1425 | int security_tun_dev_alloc_security(void **security); |
1426 | void security_tun_dev_free_security(void *security); |
1427 | int security_tun_dev_create(void); |
1428 | int security_tun_dev_attach_queue(void *security); |
1429 | int security_tun_dev_attach(struct sock *sk, void *security); |
1430 | int security_tun_dev_open(void *security); |
1431 | int security_sctp_assoc_request(struct sctp_association *asoc, struct sk_buff *skb); |
1432 | int security_sctp_bind_connect(struct sock *sk, int optname, |
1433 | struct sockaddr *address, int addrlen); |
1434 | void security_sctp_sk_clone(struct sctp_association *asoc, struct sock *sk, |
1435 | struct sock *newsk); |
1436 | int security_sctp_assoc_established(struct sctp_association *asoc, |
1437 | struct sk_buff *skb); |
1438 | |
1439 | #else /* CONFIG_SECURITY_NETWORK */ |
1440 | static inline int security_unix_stream_connect(struct sock *sock, |
1441 | struct sock *other, |
1442 | struct sock *newsk) |
1443 | { |
1444 | return 0; |
1445 | } |
1446 | |
1447 | static inline int security_unix_may_send(struct socket *sock, |
1448 | struct socket *other) |
1449 | { |
1450 | return 0; |
1451 | } |
1452 | |
1453 | static inline int security_socket_create(int family, int type, |
1454 | int protocol, int kern) |
1455 | { |
1456 | return 0; |
1457 | } |
1458 | |
1459 | static inline int security_socket_post_create(struct socket *sock, |
1460 | int family, |
1461 | int type, |
1462 | int protocol, int kern) |
1463 | { |
1464 | return 0; |
1465 | } |
1466 | |
1467 | static inline int security_socket_socketpair(struct socket *socka, |
1468 | struct socket *sockb) |
1469 | { |
1470 | return 0; |
1471 | } |
1472 | |
1473 | static inline int security_socket_bind(struct socket *sock, |
1474 | struct sockaddr *address, |
1475 | int addrlen) |
1476 | { |
1477 | return 0; |
1478 | } |
1479 | |
1480 | static inline int security_socket_connect(struct socket *sock, |
1481 | struct sockaddr *address, |
1482 | int addrlen) |
1483 | { |
1484 | return 0; |
1485 | } |
1486 | |
1487 | static inline int security_socket_listen(struct socket *sock, int backlog) |
1488 | { |
1489 | return 0; |
1490 | } |
1491 | |
1492 | static inline int security_socket_accept(struct socket *sock, |
1493 | struct socket *newsock) |
1494 | { |
1495 | return 0; |
1496 | } |
1497 | |
1498 | static inline int security_socket_sendmsg(struct socket *sock, |
1499 | struct msghdr *msg, int size) |
1500 | { |
1501 | return 0; |
1502 | } |
1503 | |
1504 | static inline int security_socket_recvmsg(struct socket *sock, |
1505 | struct msghdr *msg, int size, |
1506 | int flags) |
1507 | { |
1508 | return 0; |
1509 | } |
1510 | |
1511 | static inline int security_socket_getsockname(struct socket *sock) |
1512 | { |
1513 | return 0; |
1514 | } |
1515 | |
1516 | static inline int security_socket_getpeername(struct socket *sock) |
1517 | { |
1518 | return 0; |
1519 | } |
1520 | |
1521 | static inline int security_socket_getsockopt(struct socket *sock, |
1522 | int level, int optname) |
1523 | { |
1524 | return 0; |
1525 | } |
1526 | |
1527 | static inline int security_socket_setsockopt(struct socket *sock, |
1528 | int level, int optname) |
1529 | { |
1530 | return 0; |
1531 | } |
1532 | |
1533 | static inline int security_socket_shutdown(struct socket *sock, int how) |
1534 | { |
1535 | return 0; |
1536 | } |
1537 | static inline int security_sock_rcv_skb(struct sock *sk, |
1538 | struct sk_buff *skb) |
1539 | { |
1540 | return 0; |
1541 | } |
1542 | |
1543 | static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, |
1544 | int __user *optlen, unsigned len) |
1545 | { |
1546 | return -ENOPROTOOPT; |
1547 | } |
1548 | |
1549 | static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) |
1550 | { |
1551 | return -ENOPROTOOPT; |
1552 | } |
1553 | |
1554 | static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority) |
1555 | { |
1556 | return 0; |
1557 | } |
1558 | |
1559 | static inline void security_sk_free(struct sock *sk) |
1560 | { |
1561 | } |
1562 | |
1563 | static inline void security_sk_clone(const struct sock *sk, struct sock *newsk) |
1564 | { |
1565 | } |
1566 | |
1567 | static inline void security_sk_classify_flow(struct sock *sk, |
1568 | struct flowi_common *flic) |
1569 | { |
1570 | } |
1571 | |
1572 | static inline void security_req_classify_flow(const struct request_sock *req, |
1573 | struct flowi_common *flic) |
1574 | { |
1575 | } |
1576 | |
1577 | static inline void security_sock_graft(struct sock *sk, struct socket *parent) |
1578 | { |
1579 | } |
1580 | |
1581 | static inline int security_inet_conn_request(const struct sock *sk, |
1582 | struct sk_buff *skb, struct request_sock *req) |
1583 | { |
1584 | return 0; |
1585 | } |
1586 | |
1587 | static inline void security_inet_csk_clone(struct sock *newsk, |
1588 | const struct request_sock *req) |
1589 | { |
1590 | } |
1591 | |
1592 | static inline void security_inet_conn_established(struct sock *sk, |
1593 | struct sk_buff *skb) |
1594 | { |
1595 | } |
1596 | |
1597 | static inline int security_secmark_relabel_packet(u32 secid) |
1598 | { |
1599 | return 0; |
1600 | } |
1601 | |
1602 | static inline void security_secmark_refcount_inc(void) |
1603 | { |
1604 | } |
1605 | |
1606 | static inline void security_secmark_refcount_dec(void) |
1607 | { |
1608 | } |
1609 | |
1610 | static inline int security_tun_dev_alloc_security(void **security) |
1611 | { |
1612 | return 0; |
1613 | } |
1614 | |
1615 | static inline void security_tun_dev_free_security(void *security) |
1616 | { |
1617 | } |
1618 | |
1619 | static inline int security_tun_dev_create(void) |
1620 | { |
1621 | return 0; |
1622 | } |
1623 | |
1624 | static inline int security_tun_dev_attach_queue(void *security) |
1625 | { |
1626 | return 0; |
1627 | } |
1628 | |
1629 | static inline int security_tun_dev_attach(struct sock *sk, void *security) |
1630 | { |
1631 | return 0; |
1632 | } |
1633 | |
1634 | static inline int security_tun_dev_open(void *security) |
1635 | { |
1636 | return 0; |
1637 | } |
1638 | |
1639 | static inline int security_sctp_assoc_request(struct sctp_association *asoc, |
1640 | struct sk_buff *skb) |
1641 | { |
1642 | return 0; |
1643 | } |
1644 | |
1645 | static inline int security_sctp_bind_connect(struct sock *sk, int optname, |
1646 | struct sockaddr *address, |
1647 | int addrlen) |
1648 | { |
1649 | return 0; |
1650 | } |
1651 | |
1652 | static inline void security_sctp_sk_clone(struct sctp_association *asoc, |
1653 | struct sock *sk, |
1654 | struct sock *newsk) |
1655 | { |
1656 | } |
1657 | |
1658 | static inline int security_sctp_assoc_established(struct sctp_association *asoc, |
1659 | struct sk_buff *skb) |
1660 | { |
1661 | return 0; |
1662 | } |
1663 | #endif /* CONFIG_SECURITY_NETWORK */ |
1664 | |
1665 | #ifdef CONFIG_SECURITY_INFINIBAND |
1666 | int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey); |
1667 | int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num); |
1668 | int security_ib_alloc_security(void **sec); |
1669 | void security_ib_free_security(void *sec); |
1670 | #else /* CONFIG_SECURITY_INFINIBAND */ |
1671 | static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey) |
1672 | { |
1673 | return 0; |
1674 | } |
1675 | |
1676 | static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num) |
1677 | { |
1678 | return 0; |
1679 | } |
1680 | |
1681 | static inline int security_ib_alloc_security(void **sec) |
1682 | { |
1683 | return 0; |
1684 | } |
1685 | |
1686 | static inline void security_ib_free_security(void *sec) |
1687 | { |
1688 | } |
1689 | #endif /* CONFIG_SECURITY_INFINIBAND */ |
1690 | |
1691 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1692 | |
1693 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1694 | struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp); |
1695 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp); |
1696 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx); |
1697 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx); |
1698 | int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx); |
1699 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, |
1700 | struct xfrm_sec_ctx *polsec, u32 secid); |
1701 | int security_xfrm_state_delete(struct xfrm_state *x); |
1702 | void security_xfrm_state_free(struct xfrm_state *x); |
1703 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid); |
1704 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, |
1705 | struct xfrm_policy *xp, |
1706 | const struct flowi_common *flic); |
1707 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid); |
1708 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi_common *flic); |
1709 | |
1710 | #else /* CONFIG_SECURITY_NETWORK_XFRM */ |
1711 | |
1712 | static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1713 | struct xfrm_user_sec_ctx *sec_ctx, |
1714 | gfp_t gfp) |
1715 | { |
1716 | return 0; |
1717 | } |
1718 | |
1719 | static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp) |
1720 | { |
1721 | return 0; |
1722 | } |
1723 | |
1724 | static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
1725 | { |
1726 | } |
1727 | |
1728 | static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
1729 | { |
1730 | return 0; |
1731 | } |
1732 | |
1733 | static inline int security_xfrm_state_alloc(struct xfrm_state *x, |
1734 | struct xfrm_user_sec_ctx *sec_ctx) |
1735 | { |
1736 | return 0; |
1737 | } |
1738 | |
1739 | static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x, |
1740 | struct xfrm_sec_ctx *polsec, u32 secid) |
1741 | { |
1742 | return 0; |
1743 | } |
1744 | |
1745 | static inline void security_xfrm_state_free(struct xfrm_state *x) |
1746 | { |
1747 | } |
1748 | |
1749 | static inline int security_xfrm_state_delete(struct xfrm_state *x) |
1750 | { |
1751 | return 0; |
1752 | } |
1753 | |
1754 | static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid) |
1755 | { |
1756 | return 0; |
1757 | } |
1758 | |
1759 | static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x, |
1760 | struct xfrm_policy *xp, |
1761 | const struct flowi_common *flic) |
1762 | { |
1763 | return 1; |
1764 | } |
1765 | |
1766 | static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) |
1767 | { |
1768 | return 0; |
1769 | } |
1770 | |
1771 | static inline void security_skb_classify_flow(struct sk_buff *skb, |
1772 | struct flowi_common *flic) |
1773 | { |
1774 | } |
1775 | |
1776 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ |
1777 | |
1778 | #ifdef CONFIG_SECURITY_PATH |
1779 | int security_path_unlink(const struct path *dir, struct dentry *dentry); |
1780 | int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode); |
1781 | int security_path_rmdir(const struct path *dir, struct dentry *dentry); |
1782 | int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, |
1783 | unsigned int dev); |
1784 | int security_path_truncate(const struct path *path); |
1785 | int security_path_symlink(const struct path *dir, struct dentry *dentry, |
1786 | const char *old_name); |
1787 | int security_path_link(struct dentry *old_dentry, const struct path *new_dir, |
1788 | struct dentry *new_dentry); |
1789 | int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, |
1790 | const struct path *new_dir, struct dentry *new_dentry, |
1791 | unsigned int flags); |
1792 | int security_path_chmod(const struct path *path, umode_t mode); |
1793 | int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid); |
1794 | int security_path_chroot(const struct path *path); |
1795 | #else /* CONFIG_SECURITY_PATH */ |
1796 | static inline int security_path_unlink(const struct path *dir, struct dentry *dentry) |
1797 | { |
1798 | return 0; |
1799 | } |
1800 | |
1801 | static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry, |
1802 | umode_t mode) |
1803 | { |
1804 | return 0; |
1805 | } |
1806 | |
1807 | static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry) |
1808 | { |
1809 | return 0; |
1810 | } |
1811 | |
1812 | static inline int security_path_mknod(const struct path *dir, struct dentry *dentry, |
1813 | umode_t mode, unsigned int dev) |
1814 | { |
1815 | return 0; |
1816 | } |
1817 | |
1818 | static inline int security_path_truncate(const struct path *path) |
1819 | { |
1820 | return 0; |
1821 | } |
1822 | |
1823 | static inline int security_path_symlink(const struct path *dir, struct dentry *dentry, |
1824 | const char *old_name) |
1825 | { |
1826 | return 0; |
1827 | } |
1828 | |
1829 | static inline int security_path_link(struct dentry *old_dentry, |
1830 | const struct path *new_dir, |
1831 | struct dentry *new_dentry) |
1832 | { |
1833 | return 0; |
1834 | } |
1835 | |
1836 | static inline int security_path_rename(const struct path *old_dir, |
1837 | struct dentry *old_dentry, |
1838 | const struct path *new_dir, |
1839 | struct dentry *new_dentry, |
1840 | unsigned int flags) |
1841 | { |
1842 | return 0; |
1843 | } |
1844 | |
1845 | static inline int security_path_chmod(const struct path *path, umode_t mode) |
1846 | { |
1847 | return 0; |
1848 | } |
1849 | |
1850 | static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
1851 | { |
1852 | return 0; |
1853 | } |
1854 | |
1855 | static inline int security_path_chroot(const struct path *path) |
1856 | { |
1857 | return 0; |
1858 | } |
1859 | #endif /* CONFIG_SECURITY_PATH */ |
1860 | |
1861 | #ifdef CONFIG_KEYS |
1862 | #ifdef CONFIG_SECURITY |
1863 | |
1864 | int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags); |
1865 | void security_key_free(struct key *key); |
1866 | int security_key_permission(key_ref_t key_ref, const struct cred *cred, |
1867 | enum key_need_perm need_perm); |
1868 | int security_key_getsecurity(struct key *key, char **_buffer); |
1869 | |
1870 | #else |
1871 | |
1872 | static inline int security_key_alloc(struct key *key, |
1873 | const struct cred *cred, |
1874 | unsigned long flags) |
1875 | { |
1876 | return 0; |
1877 | } |
1878 | |
1879 | static inline void security_key_free(struct key *key) |
1880 | { |
1881 | } |
1882 | |
1883 | static inline int security_key_permission(key_ref_t key_ref, |
1884 | const struct cred *cred, |
1885 | enum key_need_perm need_perm) |
1886 | { |
1887 | return 0; |
1888 | } |
1889 | |
1890 | static inline int security_key_getsecurity(struct key *key, char **_buffer) |
1891 | { |
1892 | *_buffer = NULL; |
1893 | return 0; |
1894 | } |
1895 | |
1896 | #endif |
1897 | #endif /* CONFIG_KEYS */ |
1898 | |
1899 | #ifdef CONFIG_AUDIT |
1900 | #ifdef CONFIG_SECURITY |
1901 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule); |
1902 | int security_audit_rule_known(struct audit_krule *krule); |
1903 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule); |
1904 | void security_audit_rule_free(void *lsmrule); |
1905 | |
1906 | #else |
1907 | |
1908 | static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr, |
1909 | void **lsmrule) |
1910 | { |
1911 | return 0; |
1912 | } |
1913 | |
1914 | static inline int security_audit_rule_known(struct audit_krule *krule) |
1915 | { |
1916 | return 0; |
1917 | } |
1918 | |
1919 | static inline int security_audit_rule_match(u32 secid, u32 field, u32 op, |
1920 | void *lsmrule) |
1921 | { |
1922 | return 0; |
1923 | } |
1924 | |
1925 | static inline void security_audit_rule_free(void *lsmrule) |
1926 | { } |
1927 | |
1928 | #endif /* CONFIG_SECURITY */ |
1929 | #endif /* CONFIG_AUDIT */ |
1930 | |
1931 | #ifdef CONFIG_SECURITYFS |
1932 | |
1933 | extern struct dentry *securityfs_create_file(const char *name, umode_t mode, |
1934 | struct dentry *parent, void *data, |
1935 | const struct file_operations *fops); |
1936 | extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent); |
1937 | struct dentry *securityfs_create_symlink(const char *name, |
1938 | struct dentry *parent, |
1939 | const char *target, |
1940 | const struct inode_operations *iops); |
1941 | extern void securityfs_remove(struct dentry *dentry); |
1942 | |
1943 | #else /* CONFIG_SECURITYFS */ |
1944 | |
1945 | static inline struct dentry *securityfs_create_dir(const char *name, |
1946 | struct dentry *parent) |
1947 | { |
1948 | return ERR_PTR(-ENODEV); |
1949 | } |
1950 | |
1951 | static inline struct dentry *securityfs_create_file(const char *name, |
1952 | umode_t mode, |
1953 | struct dentry *parent, |
1954 | void *data, |
1955 | const struct file_operations *fops) |
1956 | { |
1957 | return ERR_PTR(-ENODEV); |
1958 | } |
1959 | |
1960 | static inline struct dentry *securityfs_create_symlink(const char *name, |
1961 | struct dentry *parent, |
1962 | const char *target, |
1963 | const struct inode_operations *iops) |
1964 | { |
1965 | return ERR_PTR(-ENODEV); |
1966 | } |
1967 | |
1968 | static inline void securityfs_remove(struct dentry *dentry) |
1969 | {} |
1970 | |
1971 | #endif |
1972 | |
1973 | #ifdef CONFIG_BPF_SYSCALL |
1974 | union bpf_attr; |
1975 | struct bpf_map; |
1976 | struct bpf_prog; |
1977 | struct bpf_prog_aux; |
1978 | #ifdef CONFIG_SECURITY |
1979 | extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size); |
1980 | extern int security_bpf_map(struct bpf_map *map, fmode_t fmode); |
1981 | extern int security_bpf_prog(struct bpf_prog *prog); |
1982 | extern int security_bpf_map_alloc(struct bpf_map *map); |
1983 | extern void security_bpf_map_free(struct bpf_map *map); |
1984 | extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux); |
1985 | extern void security_bpf_prog_free(struct bpf_prog_aux *aux); |
1986 | #else |
1987 | static inline int security_bpf(int cmd, union bpf_attr *attr, |
1988 | unsigned int size) |
1989 | { |
1990 | return 0; |
1991 | } |
1992 | |
1993 | static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode) |
1994 | { |
1995 | return 0; |
1996 | } |
1997 | |
1998 | static inline int security_bpf_prog(struct bpf_prog *prog) |
1999 | { |
2000 | return 0; |
2001 | } |
2002 | |
2003 | static inline int security_bpf_map_alloc(struct bpf_map *map) |
2004 | { |
2005 | return 0; |
2006 | } |
2007 | |
2008 | static inline void security_bpf_map_free(struct bpf_map *map) |
2009 | { } |
2010 | |
2011 | static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux) |
2012 | { |
2013 | return 0; |
2014 | } |
2015 | |
2016 | static inline void security_bpf_prog_free(struct bpf_prog_aux *aux) |
2017 | { } |
2018 | #endif /* CONFIG_SECURITY */ |
2019 | #endif /* CONFIG_BPF_SYSCALL */ |
2020 | |
2021 | #ifdef CONFIG_PERF_EVENTS |
2022 | struct perf_event_attr; |
2023 | struct perf_event; |
2024 | |
2025 | #ifdef CONFIG_SECURITY |
2026 | extern int security_perf_event_open(struct perf_event_attr *attr, int type); |
2027 | extern int security_perf_event_alloc(struct perf_event *event); |
2028 | extern void security_perf_event_free(struct perf_event *event); |
2029 | extern int security_perf_event_read(struct perf_event *event); |
2030 | extern int security_perf_event_write(struct perf_event *event); |
2031 | #else |
2032 | static inline int security_perf_event_open(struct perf_event_attr *attr, |
2033 | int type) |
2034 | { |
2035 | return 0; |
2036 | } |
2037 | |
2038 | static inline int security_perf_event_alloc(struct perf_event *event) |
2039 | { |
2040 | return 0; |
2041 | } |
2042 | |
2043 | static inline void security_perf_event_free(struct perf_event *event) |
2044 | { |
2045 | } |
2046 | |
2047 | static inline int security_perf_event_read(struct perf_event *event) |
2048 | { |
2049 | return 0; |
2050 | } |
2051 | |
2052 | static inline int security_perf_event_write(struct perf_event *event) |
2053 | { |
2054 | return 0; |
2055 | } |
2056 | #endif /* CONFIG_SECURITY */ |
2057 | #endif /* CONFIG_PERF_EVENTS */ |
2058 | |
2059 | #ifdef CONFIG_IO_URING |
2060 | #ifdef CONFIG_SECURITY |
2061 | extern int security_uring_override_creds(const struct cred *new); |
2062 | extern int security_uring_sqpoll(void); |
2063 | #else |
2064 | static inline int security_uring_override_creds(const struct cred *new) |
2065 | { |
2066 | return 0; |
2067 | } |
2068 | static inline int security_uring_sqpoll(void) |
2069 | { |
2070 | return 0; |
2071 | } |
2072 | #endif /* CONFIG_SECURITY */ |
2073 | #endif /* CONFIG_IO_URING */ |
2074 | |
2075 | #endif /* ! __LINUX_SECURITY_H */ |
2076 | |