Commit | Line | Data |
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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 | ||
1da177e4 LT |
20 | |
21 | /* things that live in dummy.c */ | |
22 | extern struct security_operations dummy_security_ops; | |
23 | extern void security_fixup_ops(struct security_operations *ops); | |
24 | ||
25 | struct security_operations *security_ops; /* Initialized to NULL */ | |
ed032189 | 26 | unsigned long mmap_min_addr; /* 0 means no protection */ |
1da177e4 LT |
27 | |
28 | static inline int verify(struct security_operations *ops) | |
29 | { | |
30 | /* verify the security_operations structure exists */ | |
31 | if (!ops) | |
32 | return -EINVAL; | |
33 | security_fixup_ops(ops); | |
34 | return 0; | |
35 | } | |
36 | ||
37 | static void __init do_security_initcalls(void) | |
38 | { | |
39 | initcall_t *call; | |
40 | call = __security_initcall_start; | |
41 | while (call < __security_initcall_end) { | |
42 | (*call) (); | |
43 | call++; | |
44 | } | |
45 | } | |
46 | ||
47 | /** | |
48 | * security_init - initializes the security framework | |
49 | * | |
50 | * This should be called early in the kernel initialization sequence. | |
51 | */ | |
52 | int __init security_init(void) | |
53 | { | |
20510f2f | 54 | printk(KERN_INFO "Security Framework initialized\n"); |
1da177e4 LT |
55 | |
56 | if (verify(&dummy_security_ops)) { | |
57 | printk(KERN_ERR "%s could not verify " | |
58 | "dummy_security_ops structure.\n", __FUNCTION__); | |
59 | return -EIO; | |
60 | } | |
61 | ||
62 | security_ops = &dummy_security_ops; | |
63 | do_security_initcalls(); | |
64 | ||
65 | return 0; | |
66 | } | |
67 | ||
68 | /** | |
69 | * register_security - registers a security framework with the kernel | |
70 | * @ops: a pointer to the struct security_options that is to be registered | |
71 | * | |
72 | * This function is to allow a security module to register itself with the | |
73 | * kernel security subsystem. Some rudimentary checking is done on the @ops | |
cbfee345 | 74 | * value passed to this function. |
1da177e4 LT |
75 | * |
76 | * If there is already a security module registered with the kernel, | |
77 | * an error will be returned. Otherwise 0 is returned on success. | |
78 | */ | |
79 | int register_security(struct security_operations *ops) | |
80 | { | |
81 | if (verify(ops)) { | |
82 | printk(KERN_DEBUG "%s could not verify " | |
83 | "security_operations structure.\n", __FUNCTION__); | |
84 | return -EINVAL; | |
85 | } | |
86 | ||
87 | if (security_ops != &dummy_security_ops) | |
88 | return -EAGAIN; | |
89 | ||
90 | security_ops = ops; | |
91 | ||
92 | return 0; | |
93 | } | |
94 | ||
1da177e4 LT |
95 | /** |
96 | * mod_reg_security - allows security modules to be "stacked" | |
97 | * @name: a pointer to a string with the name of the security_options to be registered | |
98 | * @ops: a pointer to the struct security_options that is to be registered | |
99 | * | |
100 | * This function allows security modules to be stacked if the currently loaded | |
101 | * security module allows this to happen. It passes the @name and @ops to the | |
102 | * register_security function of the currently loaded security module. | |
103 | * | |
104 | * The return value depends on the currently loaded security module, with 0 as | |
105 | * success. | |
106 | */ | |
107 | int mod_reg_security(const char *name, struct security_operations *ops) | |
108 | { | |
109 | if (verify(ops)) { | |
110 | printk(KERN_INFO "%s could not verify " | |
111 | "security operations.\n", __FUNCTION__); | |
112 | return -EINVAL; | |
113 | } | |
114 | ||
115 | if (ops == security_ops) { | |
116 | printk(KERN_INFO "%s security operations " | |
117 | "already registered.\n", __FUNCTION__); | |
118 | return -EINVAL; | |
119 | } | |
120 | ||
121 | return security_ops->register_security(name, ops); | |
122 | } | |
123 | ||
20510f2f JM |
124 | /* Security operations */ |
125 | ||
126 | int security_ptrace(struct task_struct *parent, struct task_struct *child) | |
127 | { | |
128 | return security_ops->ptrace(parent, child); | |
129 | } | |
130 | ||
131 | int security_capget(struct task_struct *target, | |
132 | kernel_cap_t *effective, | |
133 | kernel_cap_t *inheritable, | |
134 | kernel_cap_t *permitted) | |
135 | { | |
136 | return security_ops->capget(target, effective, inheritable, permitted); | |
137 | } | |
138 | ||
139 | int security_capset_check(struct task_struct *target, | |
140 | kernel_cap_t *effective, | |
141 | kernel_cap_t *inheritable, | |
142 | kernel_cap_t *permitted) | |
143 | { | |
144 | return security_ops->capset_check(target, effective, inheritable, permitted); | |
145 | } | |
146 | ||
147 | void security_capset_set(struct task_struct *target, | |
148 | kernel_cap_t *effective, | |
149 | kernel_cap_t *inheritable, | |
150 | kernel_cap_t *permitted) | |
151 | { | |
152 | security_ops->capset_set(target, effective, inheritable, permitted); | |
153 | } | |
154 | ||
155 | int security_capable(struct task_struct *tsk, int cap) | |
156 | { | |
157 | return security_ops->capable(tsk, cap); | |
158 | } | |
159 | ||
160 | int security_acct(struct file *file) | |
161 | { | |
162 | return security_ops->acct(file); | |
163 | } | |
164 | ||
165 | int security_sysctl(struct ctl_table *table, int op) | |
166 | { | |
167 | return security_ops->sysctl(table, op); | |
168 | } | |
169 | ||
170 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) | |
171 | { | |
172 | return security_ops->quotactl(cmds, type, id, sb); | |
173 | } | |
174 | ||
175 | int security_quota_on(struct dentry *dentry) | |
176 | { | |
177 | return security_ops->quota_on(dentry); | |
178 | } | |
179 | ||
180 | int security_syslog(int type) | |
181 | { | |
182 | return security_ops->syslog(type); | |
183 | } | |
184 | ||
185 | int security_settime(struct timespec *ts, struct timezone *tz) | |
186 | { | |
187 | return security_ops->settime(ts, tz); | |
188 | } | |
189 | ||
190 | int security_vm_enough_memory(long pages) | |
191 | { | |
192 | return security_ops->vm_enough_memory(current->mm, pages); | |
193 | } | |
194 | ||
195 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) | |
196 | { | |
197 | return security_ops->vm_enough_memory(mm, pages); | |
198 | } | |
199 | ||
200 | int security_bprm_alloc(struct linux_binprm *bprm) | |
201 | { | |
202 | return security_ops->bprm_alloc_security(bprm); | |
203 | } | |
204 | ||
205 | void security_bprm_free(struct linux_binprm *bprm) | |
206 | { | |
207 | security_ops->bprm_free_security(bprm); | |
208 | } | |
209 | ||
210 | void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe) | |
211 | { | |
212 | security_ops->bprm_apply_creds(bprm, unsafe); | |
213 | } | |
214 | ||
215 | void security_bprm_post_apply_creds(struct linux_binprm *bprm) | |
216 | { | |
217 | security_ops->bprm_post_apply_creds(bprm); | |
218 | } | |
219 | ||
220 | int security_bprm_set(struct linux_binprm *bprm) | |
221 | { | |
222 | return security_ops->bprm_set_security(bprm); | |
223 | } | |
224 | ||
225 | int security_bprm_check(struct linux_binprm *bprm) | |
226 | { | |
227 | return security_ops->bprm_check_security(bprm); | |
228 | } | |
229 | ||
230 | int security_bprm_secureexec(struct linux_binprm *bprm) | |
231 | { | |
232 | return security_ops->bprm_secureexec(bprm); | |
233 | } | |
234 | ||
235 | int security_sb_alloc(struct super_block *sb) | |
236 | { | |
237 | return security_ops->sb_alloc_security(sb); | |
238 | } | |
239 | ||
240 | void security_sb_free(struct super_block *sb) | |
241 | { | |
242 | security_ops->sb_free_security(sb); | |
243 | } | |
244 | ||
245 | int security_sb_copy_data(struct file_system_type *type, void *orig, void *copy) | |
246 | { | |
247 | return security_ops->sb_copy_data(type, orig, copy); | |
248 | } | |
249 | ||
250 | int security_sb_kern_mount(struct super_block *sb, void *data) | |
251 | { | |
252 | return security_ops->sb_kern_mount(sb, data); | |
253 | } | |
254 | ||
255 | int security_sb_statfs(struct dentry *dentry) | |
256 | { | |
257 | return security_ops->sb_statfs(dentry); | |
258 | } | |
259 | ||
260 | int security_sb_mount(char *dev_name, struct nameidata *nd, | |
261 | char *type, unsigned long flags, void *data) | |
262 | { | |
263 | return security_ops->sb_mount(dev_name, nd, type, flags, data); | |
264 | } | |
265 | ||
266 | int security_sb_check_sb(struct vfsmount *mnt, struct nameidata *nd) | |
267 | { | |
268 | return security_ops->sb_check_sb(mnt, nd); | |
269 | } | |
270 | ||
271 | int security_sb_umount(struct vfsmount *mnt, int flags) | |
272 | { | |
273 | return security_ops->sb_umount(mnt, flags); | |
274 | } | |
275 | ||
276 | void security_sb_umount_close(struct vfsmount *mnt) | |
277 | { | |
278 | security_ops->sb_umount_close(mnt); | |
279 | } | |
280 | ||
281 | void security_sb_umount_busy(struct vfsmount *mnt) | |
282 | { | |
283 | security_ops->sb_umount_busy(mnt); | |
284 | } | |
285 | ||
286 | void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data) | |
287 | { | |
288 | security_ops->sb_post_remount(mnt, flags, data); | |
289 | } | |
290 | ||
20510f2f JM |
291 | void security_sb_post_addmount(struct vfsmount *mnt, struct nameidata *mountpoint_nd) |
292 | { | |
293 | security_ops->sb_post_addmount(mnt, mountpoint_nd); | |
294 | } | |
295 | ||
296 | int security_sb_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd) | |
297 | { | |
298 | return security_ops->sb_pivotroot(old_nd, new_nd); | |
299 | } | |
300 | ||
301 | void security_sb_post_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd) | |
302 | { | |
303 | security_ops->sb_post_pivotroot(old_nd, new_nd); | |
304 | } | |
305 | ||
c9180a57 EP |
306 | int security_sb_get_mnt_opts(const struct super_block *sb, |
307 | char ***mount_options, | |
308 | int **flags, int *num_opts) | |
309 | { | |
310 | return security_ops->sb_get_mnt_opts(sb, mount_options, flags, num_opts); | |
311 | } | |
312 | ||
313 | int security_sb_set_mnt_opts(struct super_block *sb, | |
314 | char **mount_options, | |
315 | int *flags, int num_opts) | |
316 | { | |
317 | return security_ops->sb_set_mnt_opts(sb, mount_options, flags, num_opts); | |
318 | } | |
319 | ||
320 | void security_sb_clone_mnt_opts(const struct super_block *oldsb, | |
321 | struct super_block *newsb) | |
322 | { | |
323 | security_ops->sb_clone_mnt_opts(oldsb, newsb); | |
324 | } | |
325 | ||
20510f2f JM |
326 | int security_inode_alloc(struct inode *inode) |
327 | { | |
328 | inode->i_security = NULL; | |
329 | return security_ops->inode_alloc_security(inode); | |
330 | } | |
331 | ||
332 | void security_inode_free(struct inode *inode) | |
333 | { | |
334 | security_ops->inode_free_security(inode); | |
335 | } | |
336 | ||
337 | int security_inode_init_security(struct inode *inode, struct inode *dir, | |
338 | char **name, void **value, size_t *len) | |
339 | { | |
340 | if (unlikely(IS_PRIVATE(inode))) | |
341 | return -EOPNOTSUPP; | |
342 | return security_ops->inode_init_security(inode, dir, name, value, len); | |
343 | } | |
344 | EXPORT_SYMBOL(security_inode_init_security); | |
345 | ||
346 | int security_inode_create(struct inode *dir, struct dentry *dentry, int mode) | |
347 | { | |
348 | if (unlikely(IS_PRIVATE(dir))) | |
349 | return 0; | |
350 | return security_ops->inode_create(dir, dentry, mode); | |
351 | } | |
352 | ||
353 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
354 | struct dentry *new_dentry) | |
355 | { | |
356 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) | |
357 | return 0; | |
358 | return security_ops->inode_link(old_dentry, dir, new_dentry); | |
359 | } | |
360 | ||
361 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
362 | { | |
363 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
364 | return 0; | |
365 | return security_ops->inode_unlink(dir, dentry); | |
366 | } | |
367 | ||
368 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
369 | const char *old_name) | |
370 | { | |
371 | if (unlikely(IS_PRIVATE(dir))) | |
372 | return 0; | |
373 | return security_ops->inode_symlink(dir, dentry, old_name); | |
374 | } | |
375 | ||
376 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode) | |
377 | { | |
378 | if (unlikely(IS_PRIVATE(dir))) | |
379 | return 0; | |
380 | return security_ops->inode_mkdir(dir, dentry, mode); | |
381 | } | |
382 | ||
383 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
384 | { | |
385 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
386 | return 0; | |
387 | return security_ops->inode_rmdir(dir, dentry); | |
388 | } | |
389 | ||
390 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) | |
391 | { | |
392 | if (unlikely(IS_PRIVATE(dir))) | |
393 | return 0; | |
394 | return security_ops->inode_mknod(dir, dentry, mode, dev); | |
395 | } | |
396 | ||
397 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
398 | struct inode *new_dir, struct dentry *new_dentry) | |
399 | { | |
400 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || | |
401 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) | |
402 | return 0; | |
403 | return security_ops->inode_rename(old_dir, old_dentry, | |
404 | new_dir, new_dentry); | |
405 | } | |
406 | ||
407 | int security_inode_readlink(struct dentry *dentry) | |
408 | { | |
409 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
410 | return 0; | |
411 | return security_ops->inode_readlink(dentry); | |
412 | } | |
413 | ||
414 | int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd) | |
415 | { | |
416 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
417 | return 0; | |
418 | return security_ops->inode_follow_link(dentry, nd); | |
419 | } | |
420 | ||
421 | int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd) | |
422 | { | |
423 | if (unlikely(IS_PRIVATE(inode))) | |
424 | return 0; | |
425 | return security_ops->inode_permission(inode, mask, nd); | |
426 | } | |
427 | ||
428 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
429 | { | |
430 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
431 | return 0; | |
432 | return security_ops->inode_setattr(dentry, attr); | |
433 | } | |
434 | ||
435 | int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) | |
436 | { | |
437 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
438 | return 0; | |
439 | return security_ops->inode_getattr(mnt, dentry); | |
440 | } | |
441 | ||
442 | void security_inode_delete(struct inode *inode) | |
443 | { | |
444 | if (unlikely(IS_PRIVATE(inode))) | |
445 | return; | |
446 | security_ops->inode_delete(inode); | |
447 | } | |
448 | ||
449 | int security_inode_setxattr(struct dentry *dentry, char *name, | |
450 | void *value, size_t size, int flags) | |
451 | { | |
452 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
453 | return 0; | |
454 | return security_ops->inode_setxattr(dentry, name, value, size, flags); | |
455 | } | |
456 | ||
457 | void security_inode_post_setxattr(struct dentry *dentry, char *name, | |
458 | void *value, size_t size, int flags) | |
459 | { | |
460 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
461 | return; | |
462 | security_ops->inode_post_setxattr(dentry, name, value, size, flags); | |
463 | } | |
464 | ||
465 | int security_inode_getxattr(struct dentry *dentry, char *name) | |
466 | { | |
467 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
468 | return 0; | |
469 | return security_ops->inode_getxattr(dentry, name); | |
470 | } | |
471 | ||
472 | int security_inode_listxattr(struct dentry *dentry) | |
473 | { | |
474 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
475 | return 0; | |
476 | return security_ops->inode_listxattr(dentry); | |
477 | } | |
478 | ||
479 | int security_inode_removexattr(struct dentry *dentry, char *name) | |
480 | { | |
481 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
482 | return 0; | |
483 | return security_ops->inode_removexattr(dentry, name); | |
484 | } | |
485 | ||
b5376771 SH |
486 | int security_inode_need_killpriv(struct dentry *dentry) |
487 | { | |
488 | return security_ops->inode_need_killpriv(dentry); | |
489 | } | |
490 | ||
491 | int security_inode_killpriv(struct dentry *dentry) | |
492 | { | |
493 | return security_ops->inode_killpriv(dentry); | |
494 | } | |
495 | ||
20510f2f JM |
496 | int security_inode_getsecurity(const struct inode *inode, const char *name, void *buffer, size_t size, int err) |
497 | { | |
498 | if (unlikely(IS_PRIVATE(inode))) | |
499 | return 0; | |
500 | return security_ops->inode_getsecurity(inode, name, buffer, size, err); | |
501 | } | |
502 | ||
503 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
504 | { | |
505 | if (unlikely(IS_PRIVATE(inode))) | |
506 | return 0; | |
507 | return security_ops->inode_setsecurity(inode, name, value, size, flags); | |
508 | } | |
509 | ||
510 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
511 | { | |
512 | if (unlikely(IS_PRIVATE(inode))) | |
513 | return 0; | |
514 | return security_ops->inode_listsecurity(inode, buffer, buffer_size); | |
515 | } | |
516 | ||
517 | int security_file_permission(struct file *file, int mask) | |
518 | { | |
519 | return security_ops->file_permission(file, mask); | |
520 | } | |
521 | ||
522 | int security_file_alloc(struct file *file) | |
523 | { | |
524 | return security_ops->file_alloc_security(file); | |
525 | } | |
526 | ||
527 | void security_file_free(struct file *file) | |
528 | { | |
529 | security_ops->file_free_security(file); | |
530 | } | |
531 | ||
532 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
533 | { | |
534 | return security_ops->file_ioctl(file, cmd, arg); | |
535 | } | |
536 | ||
537 | int security_file_mmap(struct file *file, unsigned long reqprot, | |
538 | unsigned long prot, unsigned long flags, | |
539 | unsigned long addr, unsigned long addr_only) | |
540 | { | |
541 | return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only); | |
542 | } | |
543 | ||
544 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, | |
545 | unsigned long prot) | |
546 | { | |
547 | return security_ops->file_mprotect(vma, reqprot, prot); | |
548 | } | |
549 | ||
550 | int security_file_lock(struct file *file, unsigned int cmd) | |
551 | { | |
552 | return security_ops->file_lock(file, cmd); | |
553 | } | |
554 | ||
555 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
556 | { | |
557 | return security_ops->file_fcntl(file, cmd, arg); | |
558 | } | |
559 | ||
560 | int security_file_set_fowner(struct file *file) | |
561 | { | |
562 | return security_ops->file_set_fowner(file); | |
563 | } | |
564 | ||
565 | int security_file_send_sigiotask(struct task_struct *tsk, | |
566 | struct fown_struct *fown, int sig) | |
567 | { | |
568 | return security_ops->file_send_sigiotask(tsk, fown, sig); | |
569 | } | |
570 | ||
571 | int security_file_receive(struct file *file) | |
572 | { | |
573 | return security_ops->file_receive(file); | |
574 | } | |
575 | ||
576 | int security_dentry_open(struct file *file) | |
577 | { | |
578 | return security_ops->dentry_open(file); | |
579 | } | |
580 | ||
581 | int security_task_create(unsigned long clone_flags) | |
582 | { | |
583 | return security_ops->task_create(clone_flags); | |
584 | } | |
585 | ||
586 | int security_task_alloc(struct task_struct *p) | |
587 | { | |
588 | return security_ops->task_alloc_security(p); | |
589 | } | |
590 | ||
591 | void security_task_free(struct task_struct *p) | |
592 | { | |
593 | security_ops->task_free_security(p); | |
594 | } | |
595 | ||
596 | int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags) | |
597 | { | |
598 | return security_ops->task_setuid(id0, id1, id2, flags); | |
599 | } | |
600 | ||
601 | int security_task_post_setuid(uid_t old_ruid, uid_t old_euid, | |
602 | uid_t old_suid, int flags) | |
603 | { | |
604 | return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags); | |
605 | } | |
606 | ||
607 | int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags) | |
608 | { | |
609 | return security_ops->task_setgid(id0, id1, id2, flags); | |
610 | } | |
611 | ||
612 | int security_task_setpgid(struct task_struct *p, pid_t pgid) | |
613 | { | |
614 | return security_ops->task_setpgid(p, pgid); | |
615 | } | |
616 | ||
617 | int security_task_getpgid(struct task_struct *p) | |
618 | { | |
619 | return security_ops->task_getpgid(p); | |
620 | } | |
621 | ||
622 | int security_task_getsid(struct task_struct *p) | |
623 | { | |
624 | return security_ops->task_getsid(p); | |
625 | } | |
626 | ||
627 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
628 | { | |
629 | security_ops->task_getsecid(p, secid); | |
630 | } | |
631 | EXPORT_SYMBOL(security_task_getsecid); | |
632 | ||
633 | int security_task_setgroups(struct group_info *group_info) | |
634 | { | |
635 | return security_ops->task_setgroups(group_info); | |
636 | } | |
637 | ||
638 | int security_task_setnice(struct task_struct *p, int nice) | |
639 | { | |
640 | return security_ops->task_setnice(p, nice); | |
641 | } | |
642 | ||
643 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
644 | { | |
645 | return security_ops->task_setioprio(p, ioprio); | |
646 | } | |
647 | ||
648 | int security_task_getioprio(struct task_struct *p) | |
649 | { | |
650 | return security_ops->task_getioprio(p); | |
651 | } | |
652 | ||
653 | int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim) | |
654 | { | |
655 | return security_ops->task_setrlimit(resource, new_rlim); | |
656 | } | |
657 | ||
658 | int security_task_setscheduler(struct task_struct *p, | |
659 | int policy, struct sched_param *lp) | |
660 | { | |
661 | return security_ops->task_setscheduler(p, policy, lp); | |
662 | } | |
663 | ||
664 | int security_task_getscheduler(struct task_struct *p) | |
665 | { | |
666 | return security_ops->task_getscheduler(p); | |
667 | } | |
668 | ||
669 | int security_task_movememory(struct task_struct *p) | |
670 | { | |
671 | return security_ops->task_movememory(p); | |
672 | } | |
673 | ||
674 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
675 | int sig, u32 secid) | |
676 | { | |
677 | return security_ops->task_kill(p, info, sig, secid); | |
678 | } | |
679 | ||
680 | int security_task_wait(struct task_struct *p) | |
681 | { | |
682 | return security_ops->task_wait(p); | |
683 | } | |
684 | ||
685 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, | |
686 | unsigned long arg4, unsigned long arg5) | |
687 | { | |
688 | return security_ops->task_prctl(option, arg2, arg3, arg4, arg5); | |
689 | } | |
690 | ||
691 | void security_task_reparent_to_init(struct task_struct *p) | |
692 | { | |
693 | security_ops->task_reparent_to_init(p); | |
694 | } | |
695 | ||
696 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
697 | { | |
698 | security_ops->task_to_inode(p, inode); | |
699 | } | |
700 | ||
701 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
702 | { | |
703 | return security_ops->ipc_permission(ipcp, flag); | |
704 | } | |
705 | ||
706 | int security_msg_msg_alloc(struct msg_msg *msg) | |
707 | { | |
708 | return security_ops->msg_msg_alloc_security(msg); | |
709 | } | |
710 | ||
711 | void security_msg_msg_free(struct msg_msg *msg) | |
712 | { | |
713 | security_ops->msg_msg_free_security(msg); | |
714 | } | |
715 | ||
716 | int security_msg_queue_alloc(struct msg_queue *msq) | |
717 | { | |
718 | return security_ops->msg_queue_alloc_security(msq); | |
719 | } | |
720 | ||
721 | void security_msg_queue_free(struct msg_queue *msq) | |
722 | { | |
723 | security_ops->msg_queue_free_security(msq); | |
724 | } | |
725 | ||
726 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
727 | { | |
728 | return security_ops->msg_queue_associate(msq, msqflg); | |
729 | } | |
730 | ||
731 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
732 | { | |
733 | return security_ops->msg_queue_msgctl(msq, cmd); | |
734 | } | |
735 | ||
736 | int security_msg_queue_msgsnd(struct msg_queue *msq, | |
737 | struct msg_msg *msg, int msqflg) | |
738 | { | |
739 | return security_ops->msg_queue_msgsnd(msq, msg, msqflg); | |
740 | } | |
741 | ||
742 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
743 | struct task_struct *target, long type, int mode) | |
744 | { | |
745 | return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode); | |
746 | } | |
747 | ||
748 | int security_shm_alloc(struct shmid_kernel *shp) | |
749 | { | |
750 | return security_ops->shm_alloc_security(shp); | |
751 | } | |
752 | ||
753 | void security_shm_free(struct shmid_kernel *shp) | |
754 | { | |
755 | security_ops->shm_free_security(shp); | |
756 | } | |
757 | ||
758 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) | |
759 | { | |
760 | return security_ops->shm_associate(shp, shmflg); | |
761 | } | |
762 | ||
763 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
764 | { | |
765 | return security_ops->shm_shmctl(shp, cmd); | |
766 | } | |
767 | ||
768 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) | |
769 | { | |
770 | return security_ops->shm_shmat(shp, shmaddr, shmflg); | |
771 | } | |
772 | ||
773 | int security_sem_alloc(struct sem_array *sma) | |
774 | { | |
775 | return security_ops->sem_alloc_security(sma); | |
776 | } | |
777 | ||
778 | void security_sem_free(struct sem_array *sma) | |
779 | { | |
780 | security_ops->sem_free_security(sma); | |
781 | } | |
782 | ||
783 | int security_sem_associate(struct sem_array *sma, int semflg) | |
784 | { | |
785 | return security_ops->sem_associate(sma, semflg); | |
786 | } | |
787 | ||
788 | int security_sem_semctl(struct sem_array *sma, int cmd) | |
789 | { | |
790 | return security_ops->sem_semctl(sma, cmd); | |
791 | } | |
792 | ||
793 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
794 | unsigned nsops, int alter) | |
795 | { | |
796 | return security_ops->sem_semop(sma, sops, nsops, alter); | |
797 | } | |
798 | ||
799 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
800 | { | |
801 | if (unlikely(inode && IS_PRIVATE(inode))) | |
802 | return; | |
803 | security_ops->d_instantiate(dentry, inode); | |
804 | } | |
805 | EXPORT_SYMBOL(security_d_instantiate); | |
806 | ||
807 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
808 | { | |
809 | return security_ops->getprocattr(p, name, value); | |
810 | } | |
811 | ||
812 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) | |
813 | { | |
814 | return security_ops->setprocattr(p, name, value, size); | |
815 | } | |
816 | ||
817 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
818 | { | |
819 | return security_ops->netlink_send(sk, skb); | |
820 | } | |
20510f2f JM |
821 | |
822 | int security_netlink_recv(struct sk_buff *skb, int cap) | |
823 | { | |
824 | return security_ops->netlink_recv(skb, cap); | |
825 | } | |
826 | EXPORT_SYMBOL(security_netlink_recv); | |
827 | ||
828 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) | |
829 | { | |
830 | return security_ops->secid_to_secctx(secid, secdata, seclen); | |
831 | } | |
832 | EXPORT_SYMBOL(security_secid_to_secctx); | |
833 | ||
63cb3449 DH |
834 | int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid) |
835 | { | |
836 | return security_ops->secctx_to_secid(secdata, seclen, secid); | |
837 | } | |
838 | EXPORT_SYMBOL(security_secctx_to_secid); | |
839 | ||
20510f2f JM |
840 | void security_release_secctx(char *secdata, u32 seclen) |
841 | { | |
842 | return security_ops->release_secctx(secdata, seclen); | |
843 | } | |
844 | EXPORT_SYMBOL(security_release_secctx); | |
845 | ||
846 | #ifdef CONFIG_SECURITY_NETWORK | |
847 | ||
848 | int security_unix_stream_connect(struct socket *sock, struct socket *other, | |
849 | struct sock *newsk) | |
850 | { | |
851 | return security_ops->unix_stream_connect(sock, other, newsk); | |
852 | } | |
853 | EXPORT_SYMBOL(security_unix_stream_connect); | |
854 | ||
855 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
856 | { | |
857 | return security_ops->unix_may_send(sock, other); | |
858 | } | |
859 | EXPORT_SYMBOL(security_unix_may_send); | |
860 | ||
861 | int security_socket_create(int family, int type, int protocol, int kern) | |
862 | { | |
863 | return security_ops->socket_create(family, type, protocol, kern); | |
864 | } | |
865 | ||
866 | int security_socket_post_create(struct socket *sock, int family, | |
867 | int type, int protocol, int kern) | |
868 | { | |
869 | return security_ops->socket_post_create(sock, family, type, | |
870 | protocol, kern); | |
871 | } | |
872 | ||
873 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) | |
874 | { | |
875 | return security_ops->socket_bind(sock, address, addrlen); | |
876 | } | |
877 | ||
878 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
879 | { | |
880 | return security_ops->socket_connect(sock, address, addrlen); | |
881 | } | |
882 | ||
883 | int security_socket_listen(struct socket *sock, int backlog) | |
884 | { | |
885 | return security_ops->socket_listen(sock, backlog); | |
886 | } | |
887 | ||
888 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
889 | { | |
890 | return security_ops->socket_accept(sock, newsock); | |
891 | } | |
892 | ||
893 | void security_socket_post_accept(struct socket *sock, struct socket *newsock) | |
894 | { | |
895 | security_ops->socket_post_accept(sock, newsock); | |
896 | } | |
897 | ||
898 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) | |
899 | { | |
900 | return security_ops->socket_sendmsg(sock, msg, size); | |
901 | } | |
902 | ||
903 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
904 | int size, int flags) | |
905 | { | |
906 | return security_ops->socket_recvmsg(sock, msg, size, flags); | |
907 | } | |
908 | ||
909 | int security_socket_getsockname(struct socket *sock) | |
910 | { | |
911 | return security_ops->socket_getsockname(sock); | |
912 | } | |
913 | ||
914 | int security_socket_getpeername(struct socket *sock) | |
915 | { | |
916 | return security_ops->socket_getpeername(sock); | |
917 | } | |
918 | ||
919 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
920 | { | |
921 | return security_ops->socket_getsockopt(sock, level, optname); | |
922 | } | |
923 | ||
924 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
925 | { | |
926 | return security_ops->socket_setsockopt(sock, level, optname); | |
927 | } | |
928 | ||
929 | int security_socket_shutdown(struct socket *sock, int how) | |
930 | { | |
931 | return security_ops->socket_shutdown(sock, how); | |
932 | } | |
933 | ||
934 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
935 | { | |
936 | return security_ops->socket_sock_rcv_skb(sk, skb); | |
937 | } | |
938 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
939 | ||
940 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
941 | int __user *optlen, unsigned len) | |
942 | { | |
943 | return security_ops->socket_getpeersec_stream(sock, optval, optlen, len); | |
944 | } | |
945 | ||
946 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
947 | { | |
948 | return security_ops->socket_getpeersec_dgram(sock, skb, secid); | |
949 | } | |
950 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
951 | ||
952 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
953 | { | |
954 | return security_ops->sk_alloc_security(sk, family, priority); | |
955 | } | |
956 | ||
957 | void security_sk_free(struct sock *sk) | |
958 | { | |
959 | return security_ops->sk_free_security(sk); | |
960 | } | |
961 | ||
962 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
963 | { | |
964 | return security_ops->sk_clone_security(sk, newsk); | |
965 | } | |
966 | ||
967 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
968 | { | |
969 | security_ops->sk_getsecid(sk, &fl->secid); | |
970 | } | |
971 | EXPORT_SYMBOL(security_sk_classify_flow); | |
972 | ||
973 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
974 | { | |
975 | security_ops->req_classify_flow(req, fl); | |
976 | } | |
977 | EXPORT_SYMBOL(security_req_classify_flow); | |
978 | ||
979 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
980 | { | |
981 | security_ops->sock_graft(sk, parent); | |
982 | } | |
983 | EXPORT_SYMBOL(security_sock_graft); | |
984 | ||
985 | int security_inet_conn_request(struct sock *sk, | |
986 | struct sk_buff *skb, struct request_sock *req) | |
987 | { | |
988 | return security_ops->inet_conn_request(sk, skb, req); | |
989 | } | |
990 | EXPORT_SYMBOL(security_inet_conn_request); | |
991 | ||
992 | void security_inet_csk_clone(struct sock *newsk, | |
993 | const struct request_sock *req) | |
994 | { | |
995 | security_ops->inet_csk_clone(newsk, req); | |
996 | } | |
997 | ||
998 | void security_inet_conn_established(struct sock *sk, | |
999 | struct sk_buff *skb) | |
1000 | { | |
1001 | security_ops->inet_conn_established(sk, skb); | |
1002 | } | |
1003 | ||
1004 | #endif /* CONFIG_SECURITY_NETWORK */ | |
1005 | ||
1006 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
1007 | ||
1008 | int security_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx) | |
1009 | { | |
1010 | return security_ops->xfrm_policy_alloc_security(xp, sec_ctx); | |
1011 | } | |
1012 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1013 | ||
1014 | int security_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new) | |
1015 | { | |
1016 | return security_ops->xfrm_policy_clone_security(old, new); | |
1017 | } | |
1018 | ||
1019 | void security_xfrm_policy_free(struct xfrm_policy *xp) | |
1020 | { | |
1021 | security_ops->xfrm_policy_free_security(xp); | |
1022 | } | |
1023 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1024 | ||
1025 | int security_xfrm_policy_delete(struct xfrm_policy *xp) | |
1026 | { | |
1027 | return security_ops->xfrm_policy_delete_security(xp); | |
1028 | } | |
1029 | ||
1030 | int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx) | |
1031 | { | |
1032 | return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0); | |
1033 | } | |
1034 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1035 | ||
1036 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1037 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1038 | { | |
1039 | if (!polsec) | |
1040 | return 0; | |
1041 | /* | |
1042 | * We want the context to be taken from secid which is usually | |
1043 | * from the sock. | |
1044 | */ | |
1045 | return security_ops->xfrm_state_alloc_security(x, NULL, secid); | |
1046 | } | |
1047 | ||
1048 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1049 | { | |
1050 | return security_ops->xfrm_state_delete_security(x); | |
1051 | } | |
1052 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1053 | ||
1054 | void security_xfrm_state_free(struct xfrm_state *x) | |
1055 | { | |
1056 | security_ops->xfrm_state_free_security(x); | |
1057 | } | |
1058 | ||
1059 | int security_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir) | |
1060 | { | |
1061 | return security_ops->xfrm_policy_lookup(xp, fl_secid, dir); | |
1062 | } | |
1063 | ||
1064 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
1065 | struct xfrm_policy *xp, struct flowi *fl) | |
1066 | { | |
1067 | return security_ops->xfrm_state_pol_flow_match(x, xp, fl); | |
1068 | } | |
1069 | ||
1070 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1071 | { | |
1072 | return security_ops->xfrm_decode_session(skb, secid, 1); | |
1073 | } | |
1074 | ||
1075 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1076 | { | |
1077 | int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0); | |
1078 | ||
1079 | BUG_ON(rc); | |
1080 | } | |
1081 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1082 | ||
1083 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1084 | ||
1085 | #ifdef CONFIG_KEYS | |
1086 | ||
1087 | int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags) | |
1088 | { | |
1089 | return security_ops->key_alloc(key, tsk, flags); | |
1090 | } | |
1091 | ||
1092 | void security_key_free(struct key *key) | |
1093 | { | |
1094 | security_ops->key_free(key); | |
1095 | } | |
1096 | ||
1097 | int security_key_permission(key_ref_t key_ref, | |
1098 | struct task_struct *context, key_perm_t perm) | |
1099 | { | |
1100 | return security_ops->key_permission(key_ref, context, perm); | |
1101 | } | |
1102 | ||
1103 | #endif /* CONFIG_KEYS */ |