Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Security plug functions | |
3 | * | |
4 | * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com> | |
5 | * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com> | |
6 | * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | */ | |
13 | ||
c59ede7b | 14 | #include <linux/capability.h> |
1da177e4 LT |
15 | #include <linux/module.h> |
16 | #include <linux/init.h> | |
17 | #include <linux/kernel.h> | |
1da177e4 LT |
18 | #include <linux/security.h> |
19 | ||
076c54c5 AD |
20 | /* Boot-time LSM user choice */ |
21 | static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1]; | |
1da177e4 | 22 | |
5915eb53 MS |
23 | /* things that live in capability.c */ |
24 | extern struct security_operations default_security_ops; | |
1da177e4 LT |
25 | extern void security_fixup_ops(struct security_operations *ops); |
26 | ||
27 | struct security_operations *security_ops; /* Initialized to NULL */ | |
a5ecbcb8 EP |
28 | |
29 | /* amount of vm to protect from userspace access */ | |
30 | unsigned long mmap_min_addr = CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR; | |
1da177e4 LT |
31 | |
32 | static inline int verify(struct security_operations *ops) | |
33 | { | |
34 | /* verify the security_operations structure exists */ | |
35 | if (!ops) | |
36 | return -EINVAL; | |
37 | security_fixup_ops(ops); | |
38 | return 0; | |
39 | } | |
40 | ||
41 | static void __init do_security_initcalls(void) | |
42 | { | |
43 | initcall_t *call; | |
44 | call = __security_initcall_start; | |
45 | while (call < __security_initcall_end) { | |
46 | (*call) (); | |
47 | call++; | |
48 | } | |
49 | } | |
50 | ||
51 | /** | |
52 | * security_init - initializes the security framework | |
53 | * | |
54 | * This should be called early in the kernel initialization sequence. | |
55 | */ | |
56 | int __init security_init(void) | |
57 | { | |
20510f2f | 58 | printk(KERN_INFO "Security Framework initialized\n"); |
1da177e4 | 59 | |
5915eb53 MS |
60 | security_fixup_ops(&default_security_ops); |
61 | security_ops = &default_security_ops; | |
1da177e4 LT |
62 | do_security_initcalls(); |
63 | ||
64 | return 0; | |
65 | } | |
66 | ||
076c54c5 AD |
67 | /* Save user chosen LSM */ |
68 | static int __init choose_lsm(char *str) | |
69 | { | |
70 | strncpy(chosen_lsm, str, SECURITY_NAME_MAX); | |
71 | return 1; | |
72 | } | |
73 | __setup("security=", choose_lsm); | |
74 | ||
75 | /** | |
76 | * security_module_enable - Load given security module on boot ? | |
77 | * @ops: a pointer to the struct security_operations that is to be checked. | |
78 | * | |
79 | * Each LSM must pass this method before registering its own operations | |
80 | * to avoid security registration races. This method may also be used | |
7cea51be | 81 | * to check if your LSM is currently loaded during kernel initialization. |
076c54c5 AD |
82 | * |
83 | * Return true if: | |
84 | * -The passed LSM is the one chosen by user at boot time, | |
3f23d815 RD |
85 | * -or user didn't specify a specific LSM and we're the first to ask |
86 | * for registration permission, | |
076c54c5 AD |
87 | * -or the passed LSM is currently loaded. |
88 | * Otherwise, return false. | |
89 | */ | |
90 | int __init security_module_enable(struct security_operations *ops) | |
91 | { | |
92 | if (!*chosen_lsm) | |
93 | strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX); | |
94 | else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX)) | |
95 | return 0; | |
96 | ||
97 | return 1; | |
98 | } | |
99 | ||
1da177e4 LT |
100 | /** |
101 | * register_security - registers a security framework with the kernel | |
102 | * @ops: a pointer to the struct security_options that is to be registered | |
103 | * | |
3f23d815 | 104 | * This function allows a security module to register itself with the |
1da177e4 | 105 | * kernel security subsystem. Some rudimentary checking is done on the @ops |
076c54c5 AD |
106 | * value passed to this function. You'll need to check first if your LSM |
107 | * is allowed to register its @ops by calling security_module_enable(@ops). | |
1da177e4 LT |
108 | * |
109 | * If there is already a security module registered with the kernel, | |
3f23d815 | 110 | * an error will be returned. Otherwise %0 is returned on success. |
1da177e4 LT |
111 | */ |
112 | int register_security(struct security_operations *ops) | |
113 | { | |
114 | if (verify(ops)) { | |
115 | printk(KERN_DEBUG "%s could not verify " | |
dd6f953a | 116 | "security_operations structure.\n", __func__); |
1da177e4 LT |
117 | return -EINVAL; |
118 | } | |
119 | ||
5915eb53 | 120 | if (security_ops != &default_security_ops) |
1da177e4 LT |
121 | return -EAGAIN; |
122 | ||
123 | security_ops = ops; | |
124 | ||
125 | return 0; | |
126 | } | |
127 | ||
20510f2f JM |
128 | /* Security operations */ |
129 | ||
5cd9c58f | 130 | int security_ptrace_may_access(struct task_struct *child, unsigned int mode) |
20510f2f | 131 | { |
5cd9c58f DH |
132 | return security_ops->ptrace_may_access(child, mode); |
133 | } | |
134 | ||
135 | int security_ptrace_traceme(struct task_struct *parent) | |
136 | { | |
137 | return security_ops->ptrace_traceme(parent); | |
20510f2f JM |
138 | } |
139 | ||
140 | int security_capget(struct task_struct *target, | |
141 | kernel_cap_t *effective, | |
142 | kernel_cap_t *inheritable, | |
143 | kernel_cap_t *permitted) | |
144 | { | |
145 | return security_ops->capget(target, effective, inheritable, permitted); | |
146 | } | |
147 | ||
148 | int security_capset_check(struct task_struct *target, | |
149 | kernel_cap_t *effective, | |
150 | kernel_cap_t *inheritable, | |
151 | kernel_cap_t *permitted) | |
152 | { | |
153 | return security_ops->capset_check(target, effective, inheritable, permitted); | |
154 | } | |
155 | ||
156 | void security_capset_set(struct task_struct *target, | |
157 | kernel_cap_t *effective, | |
158 | kernel_cap_t *inheritable, | |
159 | kernel_cap_t *permitted) | |
160 | { | |
161 | security_ops->capset_set(target, effective, inheritable, permitted); | |
162 | } | |
163 | ||
164 | int security_capable(struct task_struct *tsk, int cap) | |
165 | { | |
166 | return security_ops->capable(tsk, cap); | |
167 | } | |
168 | ||
169 | int security_acct(struct file *file) | |
170 | { | |
171 | return security_ops->acct(file); | |
172 | } | |
173 | ||
174 | int security_sysctl(struct ctl_table *table, int op) | |
175 | { | |
176 | return security_ops->sysctl(table, op); | |
177 | } | |
178 | ||
179 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) | |
180 | { | |
181 | return security_ops->quotactl(cmds, type, id, sb); | |
182 | } | |
183 | ||
184 | int security_quota_on(struct dentry *dentry) | |
185 | { | |
186 | return security_ops->quota_on(dentry); | |
187 | } | |
188 | ||
189 | int security_syslog(int type) | |
190 | { | |
191 | return security_ops->syslog(type); | |
192 | } | |
193 | ||
194 | int security_settime(struct timespec *ts, struct timezone *tz) | |
195 | { | |
196 | return security_ops->settime(ts, tz); | |
197 | } | |
198 | ||
199 | int security_vm_enough_memory(long pages) | |
200 | { | |
201 | return security_ops->vm_enough_memory(current->mm, pages); | |
202 | } | |
203 | ||
204 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) | |
205 | { | |
206 | return security_ops->vm_enough_memory(mm, pages); | |
207 | } | |
208 | ||
209 | int security_bprm_alloc(struct linux_binprm *bprm) | |
210 | { | |
211 | return security_ops->bprm_alloc_security(bprm); | |
212 | } | |
213 | ||
214 | void security_bprm_free(struct linux_binprm *bprm) | |
215 | { | |
216 | security_ops->bprm_free_security(bprm); | |
217 | } | |
218 | ||
219 | void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe) | |
220 | { | |
221 | security_ops->bprm_apply_creds(bprm, unsafe); | |
222 | } | |
223 | ||
224 | void security_bprm_post_apply_creds(struct linux_binprm *bprm) | |
225 | { | |
226 | security_ops->bprm_post_apply_creds(bprm); | |
227 | } | |
228 | ||
229 | int security_bprm_set(struct linux_binprm *bprm) | |
230 | { | |
231 | return security_ops->bprm_set_security(bprm); | |
232 | } | |
233 | ||
234 | int security_bprm_check(struct linux_binprm *bprm) | |
235 | { | |
236 | return security_ops->bprm_check_security(bprm); | |
237 | } | |
238 | ||
239 | int security_bprm_secureexec(struct linux_binprm *bprm) | |
240 | { | |
241 | return security_ops->bprm_secureexec(bprm); | |
242 | } | |
243 | ||
244 | int security_sb_alloc(struct super_block *sb) | |
245 | { | |
246 | return security_ops->sb_alloc_security(sb); | |
247 | } | |
248 | ||
249 | void security_sb_free(struct super_block *sb) | |
250 | { | |
251 | security_ops->sb_free_security(sb); | |
252 | } | |
253 | ||
e0007529 | 254 | int security_sb_copy_data(char *orig, char *copy) |
20510f2f | 255 | { |
e0007529 | 256 | return security_ops->sb_copy_data(orig, copy); |
20510f2f | 257 | } |
e0007529 | 258 | EXPORT_SYMBOL(security_sb_copy_data); |
20510f2f JM |
259 | |
260 | int security_sb_kern_mount(struct super_block *sb, void *data) | |
261 | { | |
262 | return security_ops->sb_kern_mount(sb, data); | |
263 | } | |
264 | ||
2069f457 EP |
265 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
266 | { | |
267 | return security_ops->sb_show_options(m, sb); | |
268 | } | |
269 | ||
20510f2f JM |
270 | int security_sb_statfs(struct dentry *dentry) |
271 | { | |
272 | return security_ops->sb_statfs(dentry); | |
273 | } | |
274 | ||
b5266eb4 | 275 | int security_sb_mount(char *dev_name, struct path *path, |
20510f2f JM |
276 | char *type, unsigned long flags, void *data) |
277 | { | |
b5266eb4 | 278 | return security_ops->sb_mount(dev_name, path, type, flags, data); |
20510f2f JM |
279 | } |
280 | ||
b5266eb4 | 281 | int security_sb_check_sb(struct vfsmount *mnt, struct path *path) |
20510f2f | 282 | { |
b5266eb4 | 283 | return security_ops->sb_check_sb(mnt, path); |
20510f2f JM |
284 | } |
285 | ||
286 | int security_sb_umount(struct vfsmount *mnt, int flags) | |
287 | { | |
288 | return security_ops->sb_umount(mnt, flags); | |
289 | } | |
290 | ||
291 | void security_sb_umount_close(struct vfsmount *mnt) | |
292 | { | |
293 | security_ops->sb_umount_close(mnt); | |
294 | } | |
295 | ||
296 | void security_sb_umount_busy(struct vfsmount *mnt) | |
297 | { | |
298 | security_ops->sb_umount_busy(mnt); | |
299 | } | |
300 | ||
301 | void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data) | |
302 | { | |
303 | security_ops->sb_post_remount(mnt, flags, data); | |
304 | } | |
305 | ||
b5266eb4 | 306 | void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint) |
20510f2f | 307 | { |
b5266eb4 | 308 | security_ops->sb_post_addmount(mnt, mountpoint); |
20510f2f JM |
309 | } |
310 | ||
b5266eb4 | 311 | int security_sb_pivotroot(struct path *old_path, struct path *new_path) |
20510f2f | 312 | { |
b5266eb4 | 313 | return security_ops->sb_pivotroot(old_path, new_path); |
20510f2f JM |
314 | } |
315 | ||
b5266eb4 | 316 | void security_sb_post_pivotroot(struct path *old_path, struct path *new_path) |
20510f2f | 317 | { |
b5266eb4 | 318 | security_ops->sb_post_pivotroot(old_path, new_path); |
20510f2f JM |
319 | } |
320 | ||
c9180a57 | 321 | int security_sb_set_mnt_opts(struct super_block *sb, |
e0007529 | 322 | struct security_mnt_opts *opts) |
c9180a57 | 323 | { |
e0007529 | 324 | return security_ops->sb_set_mnt_opts(sb, opts); |
c9180a57 | 325 | } |
e0007529 | 326 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 EP |
327 | |
328 | void security_sb_clone_mnt_opts(const struct super_block *oldsb, | |
329 | struct super_block *newsb) | |
330 | { | |
331 | security_ops->sb_clone_mnt_opts(oldsb, newsb); | |
332 | } | |
e0007529 EP |
333 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
334 | ||
335 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
336 | { | |
337 | return security_ops->sb_parse_opts_str(options, opts); | |
338 | } | |
339 | EXPORT_SYMBOL(security_sb_parse_opts_str); | |
c9180a57 | 340 | |
20510f2f JM |
341 | int security_inode_alloc(struct inode *inode) |
342 | { | |
343 | inode->i_security = NULL; | |
344 | return security_ops->inode_alloc_security(inode); | |
345 | } | |
346 | ||
347 | void security_inode_free(struct inode *inode) | |
348 | { | |
349 | security_ops->inode_free_security(inode); | |
350 | } | |
351 | ||
352 | int security_inode_init_security(struct inode *inode, struct inode *dir, | |
353 | char **name, void **value, size_t *len) | |
354 | { | |
355 | if (unlikely(IS_PRIVATE(inode))) | |
356 | return -EOPNOTSUPP; | |
357 | return security_ops->inode_init_security(inode, dir, name, value, len); | |
358 | } | |
359 | EXPORT_SYMBOL(security_inode_init_security); | |
360 | ||
361 | int security_inode_create(struct inode *dir, struct dentry *dentry, int mode) | |
362 | { | |
363 | if (unlikely(IS_PRIVATE(dir))) | |
364 | return 0; | |
365 | return security_ops->inode_create(dir, dentry, mode); | |
366 | } | |
367 | ||
368 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
369 | struct dentry *new_dentry) | |
370 | { | |
371 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) | |
372 | return 0; | |
373 | return security_ops->inode_link(old_dentry, dir, new_dentry); | |
374 | } | |
375 | ||
376 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
377 | { | |
378 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
379 | return 0; | |
380 | return security_ops->inode_unlink(dir, dentry); | |
381 | } | |
382 | ||
383 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
384 | const char *old_name) | |
385 | { | |
386 | if (unlikely(IS_PRIVATE(dir))) | |
387 | return 0; | |
388 | return security_ops->inode_symlink(dir, dentry, old_name); | |
389 | } | |
390 | ||
391 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode) | |
392 | { | |
393 | if (unlikely(IS_PRIVATE(dir))) | |
394 | return 0; | |
395 | return security_ops->inode_mkdir(dir, dentry, mode); | |
396 | } | |
397 | ||
398 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
399 | { | |
400 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
401 | return 0; | |
402 | return security_ops->inode_rmdir(dir, dentry); | |
403 | } | |
404 | ||
405 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) | |
406 | { | |
407 | if (unlikely(IS_PRIVATE(dir))) | |
408 | return 0; | |
409 | return security_ops->inode_mknod(dir, dentry, mode, dev); | |
410 | } | |
411 | ||
412 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
413 | struct inode *new_dir, struct dentry *new_dentry) | |
414 | { | |
415 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || | |
416 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) | |
417 | return 0; | |
418 | return security_ops->inode_rename(old_dir, old_dentry, | |
419 | new_dir, new_dentry); | |
420 | } | |
421 | ||
422 | int security_inode_readlink(struct dentry *dentry) | |
423 | { | |
424 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
425 | return 0; | |
426 | return security_ops->inode_readlink(dentry); | |
427 | } | |
428 | ||
429 | int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd) | |
430 | { | |
431 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
432 | return 0; | |
433 | return security_ops->inode_follow_link(dentry, nd); | |
434 | } | |
435 | ||
b77b0646 | 436 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
437 | { |
438 | if (unlikely(IS_PRIVATE(inode))) | |
439 | return 0; | |
b77b0646 | 440 | return security_ops->inode_permission(inode, mask); |
20510f2f JM |
441 | } |
442 | ||
443 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
444 | { | |
445 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
446 | return 0; | |
447 | return security_ops->inode_setattr(dentry, attr); | |
448 | } | |
b1da47e2 | 449 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f JM |
450 | |
451 | int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) | |
452 | { | |
453 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
454 | return 0; | |
455 | return security_ops->inode_getattr(mnt, dentry); | |
456 | } | |
457 | ||
458 | void security_inode_delete(struct inode *inode) | |
459 | { | |
460 | if (unlikely(IS_PRIVATE(inode))) | |
461 | return; | |
462 | security_ops->inode_delete(inode); | |
463 | } | |
464 | ||
8f0cfa52 DH |
465 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
466 | const void *value, size_t size, int flags) | |
20510f2f JM |
467 | { |
468 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
469 | return 0; | |
470 | return security_ops->inode_setxattr(dentry, name, value, size, flags); | |
471 | } | |
472 | ||
8f0cfa52 DH |
473 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
474 | const void *value, size_t size, int flags) | |
20510f2f JM |
475 | { |
476 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
477 | return; | |
478 | security_ops->inode_post_setxattr(dentry, name, value, size, flags); | |
479 | } | |
480 | ||
8f0cfa52 | 481 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f JM |
482 | { |
483 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
484 | return 0; | |
485 | return security_ops->inode_getxattr(dentry, name); | |
486 | } | |
487 | ||
488 | int security_inode_listxattr(struct dentry *dentry) | |
489 | { | |
490 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
491 | return 0; | |
492 | return security_ops->inode_listxattr(dentry); | |
493 | } | |
494 | ||
8f0cfa52 | 495 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f JM |
496 | { |
497 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
498 | return 0; | |
499 | return security_ops->inode_removexattr(dentry, name); | |
500 | } | |
501 | ||
b5376771 SH |
502 | int security_inode_need_killpriv(struct dentry *dentry) |
503 | { | |
504 | return security_ops->inode_need_killpriv(dentry); | |
505 | } | |
506 | ||
507 | int security_inode_killpriv(struct dentry *dentry) | |
508 | { | |
509 | return security_ops->inode_killpriv(dentry); | |
510 | } | |
511 | ||
42492594 | 512 | int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f JM |
513 | { |
514 | if (unlikely(IS_PRIVATE(inode))) | |
515 | return 0; | |
42492594 | 516 | return security_ops->inode_getsecurity(inode, name, buffer, alloc); |
20510f2f JM |
517 | } |
518 | ||
519 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
520 | { | |
521 | if (unlikely(IS_PRIVATE(inode))) | |
522 | return 0; | |
523 | return security_ops->inode_setsecurity(inode, name, value, size, flags); | |
524 | } | |
525 | ||
526 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
527 | { | |
528 | if (unlikely(IS_PRIVATE(inode))) | |
529 | return 0; | |
530 | return security_ops->inode_listsecurity(inode, buffer, buffer_size); | |
531 | } | |
532 | ||
8a076191 AD |
533 | void security_inode_getsecid(const struct inode *inode, u32 *secid) |
534 | { | |
535 | security_ops->inode_getsecid(inode, secid); | |
536 | } | |
537 | ||
20510f2f JM |
538 | int security_file_permission(struct file *file, int mask) |
539 | { | |
540 | return security_ops->file_permission(file, mask); | |
541 | } | |
542 | ||
543 | int security_file_alloc(struct file *file) | |
544 | { | |
545 | return security_ops->file_alloc_security(file); | |
546 | } | |
547 | ||
548 | void security_file_free(struct file *file) | |
549 | { | |
550 | security_ops->file_free_security(file); | |
551 | } | |
552 | ||
553 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
554 | { | |
555 | return security_ops->file_ioctl(file, cmd, arg); | |
556 | } | |
557 | ||
558 | int security_file_mmap(struct file *file, unsigned long reqprot, | |
559 | unsigned long prot, unsigned long flags, | |
560 | unsigned long addr, unsigned long addr_only) | |
561 | { | |
562 | return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only); | |
563 | } | |
564 | ||
565 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, | |
566 | unsigned long prot) | |
567 | { | |
568 | return security_ops->file_mprotect(vma, reqprot, prot); | |
569 | } | |
570 | ||
571 | int security_file_lock(struct file *file, unsigned int cmd) | |
572 | { | |
573 | return security_ops->file_lock(file, cmd); | |
574 | } | |
575 | ||
576 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
577 | { | |
578 | return security_ops->file_fcntl(file, cmd, arg); | |
579 | } | |
580 | ||
581 | int security_file_set_fowner(struct file *file) | |
582 | { | |
583 | return security_ops->file_set_fowner(file); | |
584 | } | |
585 | ||
586 | int security_file_send_sigiotask(struct task_struct *tsk, | |
587 | struct fown_struct *fown, int sig) | |
588 | { | |
589 | return security_ops->file_send_sigiotask(tsk, fown, sig); | |
590 | } | |
591 | ||
592 | int security_file_receive(struct file *file) | |
593 | { | |
594 | return security_ops->file_receive(file); | |
595 | } | |
596 | ||
597 | int security_dentry_open(struct file *file) | |
598 | { | |
599 | return security_ops->dentry_open(file); | |
600 | } | |
601 | ||
602 | int security_task_create(unsigned long clone_flags) | |
603 | { | |
604 | return security_ops->task_create(clone_flags); | |
605 | } | |
606 | ||
607 | int security_task_alloc(struct task_struct *p) | |
608 | { | |
609 | return security_ops->task_alloc_security(p); | |
610 | } | |
611 | ||
612 | void security_task_free(struct task_struct *p) | |
613 | { | |
614 | security_ops->task_free_security(p); | |
615 | } | |
616 | ||
617 | int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags) | |
618 | { | |
619 | return security_ops->task_setuid(id0, id1, id2, flags); | |
620 | } | |
621 | ||
622 | int security_task_post_setuid(uid_t old_ruid, uid_t old_euid, | |
623 | uid_t old_suid, int flags) | |
624 | { | |
625 | return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags); | |
626 | } | |
627 | ||
628 | int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags) | |
629 | { | |
630 | return security_ops->task_setgid(id0, id1, id2, flags); | |
631 | } | |
632 | ||
633 | int security_task_setpgid(struct task_struct *p, pid_t pgid) | |
634 | { | |
635 | return security_ops->task_setpgid(p, pgid); | |
636 | } | |
637 | ||
638 | int security_task_getpgid(struct task_struct *p) | |
639 | { | |
640 | return security_ops->task_getpgid(p); | |
641 | } | |
642 | ||
643 | int security_task_getsid(struct task_struct *p) | |
644 | { | |
645 | return security_ops->task_getsid(p); | |
646 | } | |
647 | ||
648 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
649 | { | |
650 | security_ops->task_getsecid(p, secid); | |
651 | } | |
652 | EXPORT_SYMBOL(security_task_getsecid); | |
653 | ||
654 | int security_task_setgroups(struct group_info *group_info) | |
655 | { | |
656 | return security_ops->task_setgroups(group_info); | |
657 | } | |
658 | ||
659 | int security_task_setnice(struct task_struct *p, int nice) | |
660 | { | |
661 | return security_ops->task_setnice(p, nice); | |
662 | } | |
663 | ||
664 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
665 | { | |
666 | return security_ops->task_setioprio(p, ioprio); | |
667 | } | |
668 | ||
669 | int security_task_getioprio(struct task_struct *p) | |
670 | { | |
671 | return security_ops->task_getioprio(p); | |
672 | } | |
673 | ||
674 | int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim) | |
675 | { | |
676 | return security_ops->task_setrlimit(resource, new_rlim); | |
677 | } | |
678 | ||
679 | int security_task_setscheduler(struct task_struct *p, | |
680 | int policy, struct sched_param *lp) | |
681 | { | |
682 | return security_ops->task_setscheduler(p, policy, lp); | |
683 | } | |
684 | ||
685 | int security_task_getscheduler(struct task_struct *p) | |
686 | { | |
687 | return security_ops->task_getscheduler(p); | |
688 | } | |
689 | ||
690 | int security_task_movememory(struct task_struct *p) | |
691 | { | |
692 | return security_ops->task_movememory(p); | |
693 | } | |
694 | ||
695 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
696 | int sig, u32 secid) | |
697 | { | |
698 | return security_ops->task_kill(p, info, sig, secid); | |
699 | } | |
700 | ||
701 | int security_task_wait(struct task_struct *p) | |
702 | { | |
703 | return security_ops->task_wait(p); | |
704 | } | |
705 | ||
706 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, | |
3898b1b4 | 707 | unsigned long arg4, unsigned long arg5, long *rc_p) |
20510f2f | 708 | { |
3898b1b4 | 709 | return security_ops->task_prctl(option, arg2, arg3, arg4, arg5, rc_p); |
20510f2f JM |
710 | } |
711 | ||
712 | void security_task_reparent_to_init(struct task_struct *p) | |
713 | { | |
714 | security_ops->task_reparent_to_init(p); | |
715 | } | |
716 | ||
717 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
718 | { | |
719 | security_ops->task_to_inode(p, inode); | |
720 | } | |
721 | ||
722 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
723 | { | |
724 | return security_ops->ipc_permission(ipcp, flag); | |
725 | } | |
726 | ||
8a076191 AD |
727 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
728 | { | |
729 | security_ops->ipc_getsecid(ipcp, secid); | |
730 | } | |
731 | ||
20510f2f JM |
732 | int security_msg_msg_alloc(struct msg_msg *msg) |
733 | { | |
734 | return security_ops->msg_msg_alloc_security(msg); | |
735 | } | |
736 | ||
737 | void security_msg_msg_free(struct msg_msg *msg) | |
738 | { | |
739 | security_ops->msg_msg_free_security(msg); | |
740 | } | |
741 | ||
742 | int security_msg_queue_alloc(struct msg_queue *msq) | |
743 | { | |
744 | return security_ops->msg_queue_alloc_security(msq); | |
745 | } | |
746 | ||
747 | void security_msg_queue_free(struct msg_queue *msq) | |
748 | { | |
749 | security_ops->msg_queue_free_security(msq); | |
750 | } | |
751 | ||
752 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
753 | { | |
754 | return security_ops->msg_queue_associate(msq, msqflg); | |
755 | } | |
756 | ||
757 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
758 | { | |
759 | return security_ops->msg_queue_msgctl(msq, cmd); | |
760 | } | |
761 | ||
762 | int security_msg_queue_msgsnd(struct msg_queue *msq, | |
763 | struct msg_msg *msg, int msqflg) | |
764 | { | |
765 | return security_ops->msg_queue_msgsnd(msq, msg, msqflg); | |
766 | } | |
767 | ||
768 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
769 | struct task_struct *target, long type, int mode) | |
770 | { | |
771 | return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode); | |
772 | } | |
773 | ||
774 | int security_shm_alloc(struct shmid_kernel *shp) | |
775 | { | |
776 | return security_ops->shm_alloc_security(shp); | |
777 | } | |
778 | ||
779 | void security_shm_free(struct shmid_kernel *shp) | |
780 | { | |
781 | security_ops->shm_free_security(shp); | |
782 | } | |
783 | ||
784 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) | |
785 | { | |
786 | return security_ops->shm_associate(shp, shmflg); | |
787 | } | |
788 | ||
789 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
790 | { | |
791 | return security_ops->shm_shmctl(shp, cmd); | |
792 | } | |
793 | ||
794 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) | |
795 | { | |
796 | return security_ops->shm_shmat(shp, shmaddr, shmflg); | |
797 | } | |
798 | ||
799 | int security_sem_alloc(struct sem_array *sma) | |
800 | { | |
801 | return security_ops->sem_alloc_security(sma); | |
802 | } | |
803 | ||
804 | void security_sem_free(struct sem_array *sma) | |
805 | { | |
806 | security_ops->sem_free_security(sma); | |
807 | } | |
808 | ||
809 | int security_sem_associate(struct sem_array *sma, int semflg) | |
810 | { | |
811 | return security_ops->sem_associate(sma, semflg); | |
812 | } | |
813 | ||
814 | int security_sem_semctl(struct sem_array *sma, int cmd) | |
815 | { | |
816 | return security_ops->sem_semctl(sma, cmd); | |
817 | } | |
818 | ||
819 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
820 | unsigned nsops, int alter) | |
821 | { | |
822 | return security_ops->sem_semop(sma, sops, nsops, alter); | |
823 | } | |
824 | ||
825 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
826 | { | |
827 | if (unlikely(inode && IS_PRIVATE(inode))) | |
828 | return; | |
829 | security_ops->d_instantiate(dentry, inode); | |
830 | } | |
831 | EXPORT_SYMBOL(security_d_instantiate); | |
832 | ||
833 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
834 | { | |
835 | return security_ops->getprocattr(p, name, value); | |
836 | } | |
837 | ||
838 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) | |
839 | { | |
840 | return security_ops->setprocattr(p, name, value, size); | |
841 | } | |
842 | ||
843 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
844 | { | |
845 | return security_ops->netlink_send(sk, skb); | |
846 | } | |
20510f2f JM |
847 | |
848 | int security_netlink_recv(struct sk_buff *skb, int cap) | |
849 | { | |
850 | return security_ops->netlink_recv(skb, cap); | |
851 | } | |
852 | EXPORT_SYMBOL(security_netlink_recv); | |
853 | ||
854 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) | |
855 | { | |
856 | return security_ops->secid_to_secctx(secid, secdata, seclen); | |
857 | } | |
858 | EXPORT_SYMBOL(security_secid_to_secctx); | |
859 | ||
7bf570dc | 860 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 DH |
861 | { |
862 | return security_ops->secctx_to_secid(secdata, seclen, secid); | |
863 | } | |
864 | EXPORT_SYMBOL(security_secctx_to_secid); | |
865 | ||
20510f2f JM |
866 | void security_release_secctx(char *secdata, u32 seclen) |
867 | { | |
65fc7668 | 868 | security_ops->release_secctx(secdata, seclen); |
20510f2f JM |
869 | } |
870 | EXPORT_SYMBOL(security_release_secctx); | |
871 | ||
872 | #ifdef CONFIG_SECURITY_NETWORK | |
873 | ||
874 | int security_unix_stream_connect(struct socket *sock, struct socket *other, | |
875 | struct sock *newsk) | |
876 | { | |
877 | return security_ops->unix_stream_connect(sock, other, newsk); | |
878 | } | |
879 | EXPORT_SYMBOL(security_unix_stream_connect); | |
880 | ||
881 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
882 | { | |
883 | return security_ops->unix_may_send(sock, other); | |
884 | } | |
885 | EXPORT_SYMBOL(security_unix_may_send); | |
886 | ||
887 | int security_socket_create(int family, int type, int protocol, int kern) | |
888 | { | |
889 | return security_ops->socket_create(family, type, protocol, kern); | |
890 | } | |
891 | ||
892 | int security_socket_post_create(struct socket *sock, int family, | |
893 | int type, int protocol, int kern) | |
894 | { | |
895 | return security_ops->socket_post_create(sock, family, type, | |
896 | protocol, kern); | |
897 | } | |
898 | ||
899 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) | |
900 | { | |
901 | return security_ops->socket_bind(sock, address, addrlen); | |
902 | } | |
903 | ||
904 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
905 | { | |
906 | return security_ops->socket_connect(sock, address, addrlen); | |
907 | } | |
908 | ||
909 | int security_socket_listen(struct socket *sock, int backlog) | |
910 | { | |
911 | return security_ops->socket_listen(sock, backlog); | |
912 | } | |
913 | ||
914 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
915 | { | |
916 | return security_ops->socket_accept(sock, newsock); | |
917 | } | |
918 | ||
919 | void security_socket_post_accept(struct socket *sock, struct socket *newsock) | |
920 | { | |
921 | security_ops->socket_post_accept(sock, newsock); | |
922 | } | |
923 | ||
924 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) | |
925 | { | |
926 | return security_ops->socket_sendmsg(sock, msg, size); | |
927 | } | |
928 | ||
929 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
930 | int size, int flags) | |
931 | { | |
932 | return security_ops->socket_recvmsg(sock, msg, size, flags); | |
933 | } | |
934 | ||
935 | int security_socket_getsockname(struct socket *sock) | |
936 | { | |
937 | return security_ops->socket_getsockname(sock); | |
938 | } | |
939 | ||
940 | int security_socket_getpeername(struct socket *sock) | |
941 | { | |
942 | return security_ops->socket_getpeername(sock); | |
943 | } | |
944 | ||
945 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
946 | { | |
947 | return security_ops->socket_getsockopt(sock, level, optname); | |
948 | } | |
949 | ||
950 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
951 | { | |
952 | return security_ops->socket_setsockopt(sock, level, optname); | |
953 | } | |
954 | ||
955 | int security_socket_shutdown(struct socket *sock, int how) | |
956 | { | |
957 | return security_ops->socket_shutdown(sock, how); | |
958 | } | |
959 | ||
960 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
961 | { | |
962 | return security_ops->socket_sock_rcv_skb(sk, skb); | |
963 | } | |
964 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
965 | ||
966 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
967 | int __user *optlen, unsigned len) | |
968 | { | |
969 | return security_ops->socket_getpeersec_stream(sock, optval, optlen, len); | |
970 | } | |
971 | ||
972 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
973 | { | |
974 | return security_ops->socket_getpeersec_dgram(sock, skb, secid); | |
975 | } | |
976 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
977 | ||
978 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
979 | { | |
980 | return security_ops->sk_alloc_security(sk, family, priority); | |
981 | } | |
982 | ||
983 | void security_sk_free(struct sock *sk) | |
984 | { | |
65fc7668 | 985 | security_ops->sk_free_security(sk); |
20510f2f JM |
986 | } |
987 | ||
988 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
989 | { | |
65fc7668 | 990 | security_ops->sk_clone_security(sk, newsk); |
20510f2f JM |
991 | } |
992 | ||
993 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
994 | { | |
995 | security_ops->sk_getsecid(sk, &fl->secid); | |
996 | } | |
997 | EXPORT_SYMBOL(security_sk_classify_flow); | |
998 | ||
999 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1000 | { | |
1001 | security_ops->req_classify_flow(req, fl); | |
1002 | } | |
1003 | EXPORT_SYMBOL(security_req_classify_flow); | |
1004 | ||
1005 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1006 | { | |
1007 | security_ops->sock_graft(sk, parent); | |
1008 | } | |
1009 | EXPORT_SYMBOL(security_sock_graft); | |
1010 | ||
1011 | int security_inet_conn_request(struct sock *sk, | |
1012 | struct sk_buff *skb, struct request_sock *req) | |
1013 | { | |
1014 | return security_ops->inet_conn_request(sk, skb, req); | |
1015 | } | |
1016 | EXPORT_SYMBOL(security_inet_conn_request); | |
1017 | ||
1018 | void security_inet_csk_clone(struct sock *newsk, | |
1019 | const struct request_sock *req) | |
1020 | { | |
1021 | security_ops->inet_csk_clone(newsk, req); | |
1022 | } | |
1023 | ||
1024 | void security_inet_conn_established(struct sock *sk, | |
1025 | struct sk_buff *skb) | |
1026 | { | |
1027 | security_ops->inet_conn_established(sk, skb); | |
1028 | } | |
1029 | ||
1030 | #endif /* CONFIG_SECURITY_NETWORK */ | |
1031 | ||
1032 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
1033 | ||
03e1ad7b | 1034 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx) |
20510f2f | 1035 | { |
03e1ad7b | 1036 | return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx); |
20510f2f JM |
1037 | } |
1038 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1039 | ||
03e1ad7b PM |
1040 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1041 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1042 | { |
03e1ad7b | 1043 | return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp); |
20510f2f JM |
1044 | } |
1045 | ||
03e1ad7b | 1046 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1047 | { |
03e1ad7b | 1048 | security_ops->xfrm_policy_free_security(ctx); |
20510f2f JM |
1049 | } |
1050 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1051 | ||
03e1ad7b | 1052 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1053 | { |
03e1ad7b | 1054 | return security_ops->xfrm_policy_delete_security(ctx); |
20510f2f JM |
1055 | } |
1056 | ||
1057 | int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx) | |
1058 | { | |
1059 | return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0); | |
1060 | } | |
1061 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1062 | ||
1063 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1064 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1065 | { | |
1066 | if (!polsec) | |
1067 | return 0; | |
1068 | /* | |
1069 | * We want the context to be taken from secid which is usually | |
1070 | * from the sock. | |
1071 | */ | |
1072 | return security_ops->xfrm_state_alloc_security(x, NULL, secid); | |
1073 | } | |
1074 | ||
1075 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1076 | { | |
1077 | return security_ops->xfrm_state_delete_security(x); | |
1078 | } | |
1079 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1080 | ||
1081 | void security_xfrm_state_free(struct xfrm_state *x) | |
1082 | { | |
1083 | security_ops->xfrm_state_free_security(x); | |
1084 | } | |
1085 | ||
03e1ad7b | 1086 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1087 | { |
03e1ad7b | 1088 | return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir); |
20510f2f JM |
1089 | } |
1090 | ||
1091 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
1092 | struct xfrm_policy *xp, struct flowi *fl) | |
1093 | { | |
1094 | return security_ops->xfrm_state_pol_flow_match(x, xp, fl); | |
1095 | } | |
1096 | ||
1097 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1098 | { | |
1099 | return security_ops->xfrm_decode_session(skb, secid, 1); | |
1100 | } | |
1101 | ||
1102 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1103 | { | |
1104 | int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0); | |
1105 | ||
1106 | BUG_ON(rc); | |
1107 | } | |
1108 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1109 | ||
1110 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1111 | ||
1112 | #ifdef CONFIG_KEYS | |
1113 | ||
1114 | int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags) | |
1115 | { | |
1116 | return security_ops->key_alloc(key, tsk, flags); | |
1117 | } | |
1118 | ||
1119 | void security_key_free(struct key *key) | |
1120 | { | |
1121 | security_ops->key_free(key); | |
1122 | } | |
1123 | ||
1124 | int security_key_permission(key_ref_t key_ref, | |
1125 | struct task_struct *context, key_perm_t perm) | |
1126 | { | |
1127 | return security_ops->key_permission(key_ref, context, perm); | |
1128 | } | |
1129 | ||
70a5bb72 DH |
1130 | int security_key_getsecurity(struct key *key, char **_buffer) |
1131 | { | |
1132 | return security_ops->key_getsecurity(key, _buffer); | |
1133 | } | |
1134 | ||
20510f2f | 1135 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1136 | |
1137 | #ifdef CONFIG_AUDIT | |
1138 | ||
1139 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1140 | { | |
1141 | return security_ops->audit_rule_init(field, op, rulestr, lsmrule); | |
1142 | } | |
1143 | ||
1144 | int security_audit_rule_known(struct audit_krule *krule) | |
1145 | { | |
1146 | return security_ops->audit_rule_known(krule); | |
1147 | } | |
1148 | ||
1149 | void security_audit_rule_free(void *lsmrule) | |
1150 | { | |
1151 | security_ops->audit_rule_free(lsmrule); | |
1152 | } | |
1153 | ||
1154 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1155 | struct audit_context *actx) | |
1156 | { | |
1157 | return security_ops->audit_rule_match(secid, field, op, lsmrule, actx); | |
1158 | } | |
1159 | ||
1160 | #endif /* CONFIG_AUDIT */ |