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