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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 */ | |
a5ecbcb8 EP |
26 | |
27 | /* amount of vm to protect from userspace access */ | |
28 | unsigned long mmap_min_addr = CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR; | |
1da177e4 LT |
29 | |
30 | static inline int verify(struct security_operations *ops) | |
31 | { | |
32 | /* verify the security_operations structure exists */ | |
33 | if (!ops) | |
34 | return -EINVAL; | |
35 | security_fixup_ops(ops); | |
36 | return 0; | |
37 | } | |
38 | ||
39 | static void __init do_security_initcalls(void) | |
40 | { | |
41 | initcall_t *call; | |
42 | call = __security_initcall_start; | |
43 | while (call < __security_initcall_end) { | |
44 | (*call) (); | |
45 | call++; | |
46 | } | |
47 | } | |
48 | ||
49 | /** | |
50 | * security_init - initializes the security framework | |
51 | * | |
52 | * This should be called early in the kernel initialization sequence. | |
53 | */ | |
54 | int __init security_init(void) | |
55 | { | |
20510f2f | 56 | printk(KERN_INFO "Security Framework initialized\n"); |
1da177e4 LT |
57 | |
58 | if (verify(&dummy_security_ops)) { | |
59 | printk(KERN_ERR "%s could not verify " | |
60 | "dummy_security_ops structure.\n", __FUNCTION__); | |
61 | return -EIO; | |
62 | } | |
63 | ||
64 | security_ops = &dummy_security_ops; | |
65 | do_security_initcalls(); | |
66 | ||
67 | return 0; | |
68 | } | |
69 | ||
70 | /** | |
71 | * register_security - registers a security framework with the kernel | |
72 | * @ops: a pointer to the struct security_options that is to be registered | |
73 | * | |
74 | * This function is to allow a security module to register itself with the | |
75 | * kernel security subsystem. Some rudimentary checking is done on the @ops | |
cbfee345 | 76 | * value passed to this function. |
1da177e4 LT |
77 | * |
78 | * If there is already a security module registered with the kernel, | |
79 | * an error will be returned. Otherwise 0 is returned on success. | |
80 | */ | |
81 | int register_security(struct security_operations *ops) | |
82 | { | |
83 | if (verify(ops)) { | |
84 | printk(KERN_DEBUG "%s could not verify " | |
85 | "security_operations structure.\n", __FUNCTION__); | |
86 | return -EINVAL; | |
87 | } | |
88 | ||
89 | if (security_ops != &dummy_security_ops) | |
90 | return -EAGAIN; | |
91 | ||
92 | security_ops = ops; | |
93 | ||
94 | return 0; | |
95 | } | |
96 | ||
1da177e4 LT |
97 | /** |
98 | * mod_reg_security - allows security modules to be "stacked" | |
99 | * @name: a pointer to a string with the name of the security_options to be registered | |
100 | * @ops: a pointer to the struct security_options that is to be registered | |
101 | * | |
102 | * This function allows security modules to be stacked if the currently loaded | |
103 | * security module allows this to happen. It passes the @name and @ops to the | |
104 | * register_security function of the currently loaded security module. | |
105 | * | |
106 | * The return value depends on the currently loaded security module, with 0 as | |
107 | * success. | |
108 | */ | |
109 | int mod_reg_security(const char *name, struct security_operations *ops) | |
110 | { | |
111 | if (verify(ops)) { | |
112 | printk(KERN_INFO "%s could not verify " | |
113 | "security operations.\n", __FUNCTION__); | |
114 | return -EINVAL; | |
115 | } | |
116 | ||
117 | if (ops == security_ops) { | |
118 | printk(KERN_INFO "%s security operations " | |
119 | "already registered.\n", __FUNCTION__); | |
120 | return -EINVAL; | |
121 | } | |
122 | ||
123 | return security_ops->register_security(name, ops); | |
124 | } | |
125 | ||
20510f2f JM |
126 | /* Security operations */ |
127 | ||
128 | int security_ptrace(struct task_struct *parent, struct task_struct *child) | |
129 | { | |
130 | return security_ops->ptrace(parent, child); | |
131 | } | |
132 | ||
133 | int security_capget(struct task_struct *target, | |
134 | kernel_cap_t *effective, | |
135 | kernel_cap_t *inheritable, | |
136 | kernel_cap_t *permitted) | |
137 | { | |
138 | return security_ops->capget(target, effective, inheritable, permitted); | |
139 | } | |
140 | ||
141 | int security_capset_check(struct task_struct *target, | |
142 | kernel_cap_t *effective, | |
143 | kernel_cap_t *inheritable, | |
144 | kernel_cap_t *permitted) | |
145 | { | |
146 | return security_ops->capset_check(target, effective, inheritable, permitted); | |
147 | } | |
148 | ||
149 | void security_capset_set(struct task_struct *target, | |
150 | kernel_cap_t *effective, | |
151 | kernel_cap_t *inheritable, | |
152 | kernel_cap_t *permitted) | |
153 | { | |
154 | security_ops->capset_set(target, effective, inheritable, permitted); | |
155 | } | |
156 | ||
157 | int security_capable(struct task_struct *tsk, int cap) | |
158 | { | |
159 | return security_ops->capable(tsk, cap); | |
160 | } | |
161 | ||
162 | int security_acct(struct file *file) | |
163 | { | |
164 | return security_ops->acct(file); | |
165 | } | |
166 | ||
167 | int security_sysctl(struct ctl_table *table, int op) | |
168 | { | |
169 | return security_ops->sysctl(table, op); | |
170 | } | |
171 | ||
172 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) | |
173 | { | |
174 | return security_ops->quotactl(cmds, type, id, sb); | |
175 | } | |
176 | ||
177 | int security_quota_on(struct dentry *dentry) | |
178 | { | |
179 | return security_ops->quota_on(dentry); | |
180 | } | |
181 | ||
182 | int security_syslog(int type) | |
183 | { | |
184 | return security_ops->syslog(type); | |
185 | } | |
186 | ||
187 | int security_settime(struct timespec *ts, struct timezone *tz) | |
188 | { | |
189 | return security_ops->settime(ts, tz); | |
190 | } | |
191 | ||
192 | int security_vm_enough_memory(long pages) | |
193 | { | |
194 | return security_ops->vm_enough_memory(current->mm, pages); | |
195 | } | |
196 | ||
197 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) | |
198 | { | |
199 | return security_ops->vm_enough_memory(mm, pages); | |
200 | } | |
201 | ||
202 | int security_bprm_alloc(struct linux_binprm *bprm) | |
203 | { | |
204 | return security_ops->bprm_alloc_security(bprm); | |
205 | } | |
206 | ||
207 | void security_bprm_free(struct linux_binprm *bprm) | |
208 | { | |
209 | security_ops->bprm_free_security(bprm); | |
210 | } | |
211 | ||
212 | void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe) | |
213 | { | |
214 | security_ops->bprm_apply_creds(bprm, unsafe); | |
215 | } | |
216 | ||
217 | void security_bprm_post_apply_creds(struct linux_binprm *bprm) | |
218 | { | |
219 | security_ops->bprm_post_apply_creds(bprm); | |
220 | } | |
221 | ||
222 | int security_bprm_set(struct linux_binprm *bprm) | |
223 | { | |
224 | return security_ops->bprm_set_security(bprm); | |
225 | } | |
226 | ||
227 | int security_bprm_check(struct linux_binprm *bprm) | |
228 | { | |
229 | return security_ops->bprm_check_security(bprm); | |
230 | } | |
231 | ||
232 | int security_bprm_secureexec(struct linux_binprm *bprm) | |
233 | { | |
234 | return security_ops->bprm_secureexec(bprm); | |
235 | } | |
236 | ||
237 | int security_sb_alloc(struct super_block *sb) | |
238 | { | |
239 | return security_ops->sb_alloc_security(sb); | |
240 | } | |
241 | ||
242 | void security_sb_free(struct super_block *sb) | |
243 | { | |
244 | security_ops->sb_free_security(sb); | |
245 | } | |
246 | ||
e0007529 | 247 | int security_sb_copy_data(char *orig, char *copy) |
20510f2f | 248 | { |
e0007529 | 249 | return security_ops->sb_copy_data(orig, copy); |
20510f2f | 250 | } |
e0007529 | 251 | EXPORT_SYMBOL(security_sb_copy_data); |
20510f2f JM |
252 | |
253 | int security_sb_kern_mount(struct super_block *sb, void *data) | |
254 | { | |
255 | return security_ops->sb_kern_mount(sb, data); | |
256 | } | |
257 | ||
258 | int security_sb_statfs(struct dentry *dentry) | |
259 | { | |
260 | return security_ops->sb_statfs(dentry); | |
261 | } | |
262 | ||
263 | int security_sb_mount(char *dev_name, struct nameidata *nd, | |
264 | char *type, unsigned long flags, void *data) | |
265 | { | |
266 | return security_ops->sb_mount(dev_name, nd, type, flags, data); | |
267 | } | |
268 | ||
269 | int security_sb_check_sb(struct vfsmount *mnt, struct nameidata *nd) | |
270 | { | |
271 | return security_ops->sb_check_sb(mnt, nd); | |
272 | } | |
273 | ||
274 | int security_sb_umount(struct vfsmount *mnt, int flags) | |
275 | { | |
276 | return security_ops->sb_umount(mnt, flags); | |
277 | } | |
278 | ||
279 | void security_sb_umount_close(struct vfsmount *mnt) | |
280 | { | |
281 | security_ops->sb_umount_close(mnt); | |
282 | } | |
283 | ||
284 | void security_sb_umount_busy(struct vfsmount *mnt) | |
285 | { | |
286 | security_ops->sb_umount_busy(mnt); | |
287 | } | |
288 | ||
289 | void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data) | |
290 | { | |
291 | security_ops->sb_post_remount(mnt, flags, data); | |
292 | } | |
293 | ||
20510f2f JM |
294 | void security_sb_post_addmount(struct vfsmount *mnt, struct nameidata *mountpoint_nd) |
295 | { | |
296 | security_ops->sb_post_addmount(mnt, mountpoint_nd); | |
297 | } | |
298 | ||
299 | int security_sb_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd) | |
300 | { | |
301 | return security_ops->sb_pivotroot(old_nd, new_nd); | |
302 | } | |
303 | ||
304 | void security_sb_post_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd) | |
305 | { | |
306 | security_ops->sb_post_pivotroot(old_nd, new_nd); | |
307 | } | |
308 | ||
c9180a57 | 309 | int security_sb_get_mnt_opts(const struct super_block *sb, |
e0007529 | 310 | struct security_mnt_opts *opts) |
c9180a57 | 311 | { |
e0007529 | 312 | return security_ops->sb_get_mnt_opts(sb, opts); |
c9180a57 EP |
313 | } |
314 | ||
315 | int security_sb_set_mnt_opts(struct super_block *sb, | |
e0007529 | 316 | struct security_mnt_opts *opts) |
c9180a57 | 317 | { |
e0007529 | 318 | return security_ops->sb_set_mnt_opts(sb, opts); |
c9180a57 | 319 | } |
e0007529 | 320 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 EP |
321 | |
322 | void security_sb_clone_mnt_opts(const struct super_block *oldsb, | |
323 | struct super_block *newsb) | |
324 | { | |
325 | security_ops->sb_clone_mnt_opts(oldsb, newsb); | |
326 | } | |
e0007529 EP |
327 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
328 | ||
329 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
330 | { | |
331 | return security_ops->sb_parse_opts_str(options, opts); | |
332 | } | |
333 | EXPORT_SYMBOL(security_sb_parse_opts_str); | |
c9180a57 | 334 | |
20510f2f JM |
335 | int security_inode_alloc(struct inode *inode) |
336 | { | |
337 | inode->i_security = NULL; | |
338 | return security_ops->inode_alloc_security(inode); | |
339 | } | |
340 | ||
341 | void security_inode_free(struct inode *inode) | |
342 | { | |
343 | security_ops->inode_free_security(inode); | |
344 | } | |
345 | ||
346 | int security_inode_init_security(struct inode *inode, struct inode *dir, | |
347 | char **name, void **value, size_t *len) | |
348 | { | |
349 | if (unlikely(IS_PRIVATE(inode))) | |
350 | return -EOPNOTSUPP; | |
351 | return security_ops->inode_init_security(inode, dir, name, value, len); | |
352 | } | |
353 | EXPORT_SYMBOL(security_inode_init_security); | |
354 | ||
355 | int security_inode_create(struct inode *dir, struct dentry *dentry, int mode) | |
356 | { | |
357 | if (unlikely(IS_PRIVATE(dir))) | |
358 | return 0; | |
359 | return security_ops->inode_create(dir, dentry, mode); | |
360 | } | |
361 | ||
362 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
363 | struct dentry *new_dentry) | |
364 | { | |
365 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) | |
366 | return 0; | |
367 | return security_ops->inode_link(old_dentry, dir, new_dentry); | |
368 | } | |
369 | ||
370 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
371 | { | |
372 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
373 | return 0; | |
374 | return security_ops->inode_unlink(dir, dentry); | |
375 | } | |
376 | ||
377 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
378 | const char *old_name) | |
379 | { | |
380 | if (unlikely(IS_PRIVATE(dir))) | |
381 | return 0; | |
382 | return security_ops->inode_symlink(dir, dentry, old_name); | |
383 | } | |
384 | ||
385 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode) | |
386 | { | |
387 | if (unlikely(IS_PRIVATE(dir))) | |
388 | return 0; | |
389 | return security_ops->inode_mkdir(dir, dentry, mode); | |
390 | } | |
391 | ||
392 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
393 | { | |
394 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
395 | return 0; | |
396 | return security_ops->inode_rmdir(dir, dentry); | |
397 | } | |
398 | ||
399 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) | |
400 | { | |
401 | if (unlikely(IS_PRIVATE(dir))) | |
402 | return 0; | |
403 | return security_ops->inode_mknod(dir, dentry, mode, dev); | |
404 | } | |
405 | ||
406 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
407 | struct inode *new_dir, struct dentry *new_dentry) | |
408 | { | |
409 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || | |
410 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) | |
411 | return 0; | |
412 | return security_ops->inode_rename(old_dir, old_dentry, | |
413 | new_dir, new_dentry); | |
414 | } | |
415 | ||
416 | int security_inode_readlink(struct dentry *dentry) | |
417 | { | |
418 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
419 | return 0; | |
420 | return security_ops->inode_readlink(dentry); | |
421 | } | |
422 | ||
423 | int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd) | |
424 | { | |
425 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
426 | return 0; | |
427 | return security_ops->inode_follow_link(dentry, nd); | |
428 | } | |
429 | ||
430 | int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd) | |
431 | { | |
432 | if (unlikely(IS_PRIVATE(inode))) | |
433 | return 0; | |
434 | return security_ops->inode_permission(inode, mask, nd); | |
435 | } | |
436 | ||
437 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
438 | { | |
439 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
440 | return 0; | |
441 | return security_ops->inode_setattr(dentry, attr); | |
442 | } | |
443 | ||
444 | int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) | |
445 | { | |
446 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
447 | return 0; | |
448 | return security_ops->inode_getattr(mnt, dentry); | |
449 | } | |
450 | ||
451 | void security_inode_delete(struct inode *inode) | |
452 | { | |
453 | if (unlikely(IS_PRIVATE(inode))) | |
454 | return; | |
455 | security_ops->inode_delete(inode); | |
456 | } | |
457 | ||
458 | int security_inode_setxattr(struct dentry *dentry, char *name, | |
459 | void *value, size_t size, int flags) | |
460 | { | |
461 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
462 | return 0; | |
463 | return security_ops->inode_setxattr(dentry, name, value, size, flags); | |
464 | } | |
465 | ||
466 | void security_inode_post_setxattr(struct dentry *dentry, char *name, | |
467 | void *value, size_t size, int flags) | |
468 | { | |
469 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
470 | return; | |
471 | security_ops->inode_post_setxattr(dentry, name, value, size, flags); | |
472 | } | |
473 | ||
474 | int security_inode_getxattr(struct dentry *dentry, char *name) | |
475 | { | |
476 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
477 | return 0; | |
478 | return security_ops->inode_getxattr(dentry, name); | |
479 | } | |
480 | ||
481 | int security_inode_listxattr(struct dentry *dentry) | |
482 | { | |
483 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
484 | return 0; | |
485 | return security_ops->inode_listxattr(dentry); | |
486 | } | |
487 | ||
488 | int security_inode_removexattr(struct dentry *dentry, char *name) | |
489 | { | |
490 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
491 | return 0; | |
492 | return security_ops->inode_removexattr(dentry, name); | |
493 | } | |
494 | ||
b5376771 SH |
495 | int security_inode_need_killpriv(struct dentry *dentry) |
496 | { | |
497 | return security_ops->inode_need_killpriv(dentry); | |
498 | } | |
499 | ||
500 | int security_inode_killpriv(struct dentry *dentry) | |
501 | { | |
502 | return security_ops->inode_killpriv(dentry); | |
503 | } | |
504 | ||
42492594 | 505 | int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f JM |
506 | { |
507 | if (unlikely(IS_PRIVATE(inode))) | |
508 | return 0; | |
42492594 | 509 | return security_ops->inode_getsecurity(inode, name, buffer, alloc); |
20510f2f JM |
510 | } |
511 | ||
512 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
513 | { | |
514 | if (unlikely(IS_PRIVATE(inode))) | |
515 | return 0; | |
516 | return security_ops->inode_setsecurity(inode, name, value, size, flags); | |
517 | } | |
518 | ||
519 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
520 | { | |
521 | if (unlikely(IS_PRIVATE(inode))) | |
522 | return 0; | |
523 | return security_ops->inode_listsecurity(inode, buffer, buffer_size); | |
524 | } | |
525 | ||
526 | int security_file_permission(struct file *file, int mask) | |
527 | { | |
528 | return security_ops->file_permission(file, mask); | |
529 | } | |
530 | ||
531 | int security_file_alloc(struct file *file) | |
532 | { | |
533 | return security_ops->file_alloc_security(file); | |
534 | } | |
535 | ||
536 | void security_file_free(struct file *file) | |
537 | { | |
538 | security_ops->file_free_security(file); | |
539 | } | |
540 | ||
541 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
542 | { | |
543 | return security_ops->file_ioctl(file, cmd, arg); | |
544 | } | |
545 | ||
546 | int security_file_mmap(struct file *file, unsigned long reqprot, | |
547 | unsigned long prot, unsigned long flags, | |
548 | unsigned long addr, unsigned long addr_only) | |
549 | { | |
550 | return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only); | |
551 | } | |
552 | ||
553 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, | |
554 | unsigned long prot) | |
555 | { | |
556 | return security_ops->file_mprotect(vma, reqprot, prot); | |
557 | } | |
558 | ||
559 | int security_file_lock(struct file *file, unsigned int cmd) | |
560 | { | |
561 | return security_ops->file_lock(file, cmd); | |
562 | } | |
563 | ||
564 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
565 | { | |
566 | return security_ops->file_fcntl(file, cmd, arg); | |
567 | } | |
568 | ||
569 | int security_file_set_fowner(struct file *file) | |
570 | { | |
571 | return security_ops->file_set_fowner(file); | |
572 | } | |
573 | ||
574 | int security_file_send_sigiotask(struct task_struct *tsk, | |
575 | struct fown_struct *fown, int sig) | |
576 | { | |
577 | return security_ops->file_send_sigiotask(tsk, fown, sig); | |
578 | } | |
579 | ||
580 | int security_file_receive(struct file *file) | |
581 | { | |
582 | return security_ops->file_receive(file); | |
583 | } | |
584 | ||
585 | int security_dentry_open(struct file *file) | |
586 | { | |
587 | return security_ops->dentry_open(file); | |
588 | } | |
589 | ||
590 | int security_task_create(unsigned long clone_flags) | |
591 | { | |
592 | return security_ops->task_create(clone_flags); | |
593 | } | |
594 | ||
595 | int security_task_alloc(struct task_struct *p) | |
596 | { | |
597 | return security_ops->task_alloc_security(p); | |
598 | } | |
599 | ||
600 | void security_task_free(struct task_struct *p) | |
601 | { | |
602 | security_ops->task_free_security(p); | |
603 | } | |
604 | ||
605 | int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags) | |
606 | { | |
607 | return security_ops->task_setuid(id0, id1, id2, flags); | |
608 | } | |
609 | ||
610 | int security_task_post_setuid(uid_t old_ruid, uid_t old_euid, | |
611 | uid_t old_suid, int flags) | |
612 | { | |
613 | return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags); | |
614 | } | |
615 | ||
616 | int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags) | |
617 | { | |
618 | return security_ops->task_setgid(id0, id1, id2, flags); | |
619 | } | |
620 | ||
621 | int security_task_setpgid(struct task_struct *p, pid_t pgid) | |
622 | { | |
623 | return security_ops->task_setpgid(p, pgid); | |
624 | } | |
625 | ||
626 | int security_task_getpgid(struct task_struct *p) | |
627 | { | |
628 | return security_ops->task_getpgid(p); | |
629 | } | |
630 | ||
631 | int security_task_getsid(struct task_struct *p) | |
632 | { | |
633 | return security_ops->task_getsid(p); | |
634 | } | |
635 | ||
636 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
637 | { | |
638 | security_ops->task_getsecid(p, secid); | |
639 | } | |
640 | EXPORT_SYMBOL(security_task_getsecid); | |
641 | ||
642 | int security_task_setgroups(struct group_info *group_info) | |
643 | { | |
644 | return security_ops->task_setgroups(group_info); | |
645 | } | |
646 | ||
647 | int security_task_setnice(struct task_struct *p, int nice) | |
648 | { | |
649 | return security_ops->task_setnice(p, nice); | |
650 | } | |
651 | ||
652 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
653 | { | |
654 | return security_ops->task_setioprio(p, ioprio); | |
655 | } | |
656 | ||
657 | int security_task_getioprio(struct task_struct *p) | |
658 | { | |
659 | return security_ops->task_getioprio(p); | |
660 | } | |
661 | ||
662 | int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim) | |
663 | { | |
664 | return security_ops->task_setrlimit(resource, new_rlim); | |
665 | } | |
666 | ||
667 | int security_task_setscheduler(struct task_struct *p, | |
668 | int policy, struct sched_param *lp) | |
669 | { | |
670 | return security_ops->task_setscheduler(p, policy, lp); | |
671 | } | |
672 | ||
673 | int security_task_getscheduler(struct task_struct *p) | |
674 | { | |
675 | return security_ops->task_getscheduler(p); | |
676 | } | |
677 | ||
678 | int security_task_movememory(struct task_struct *p) | |
679 | { | |
680 | return security_ops->task_movememory(p); | |
681 | } | |
682 | ||
683 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
684 | int sig, u32 secid) | |
685 | { | |
686 | return security_ops->task_kill(p, info, sig, secid); | |
687 | } | |
688 | ||
689 | int security_task_wait(struct task_struct *p) | |
690 | { | |
691 | return security_ops->task_wait(p); | |
692 | } | |
693 | ||
694 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, | |
695 | unsigned long arg4, unsigned long arg5) | |
696 | { | |
697 | return security_ops->task_prctl(option, arg2, arg3, arg4, arg5); | |
698 | } | |
699 | ||
700 | void security_task_reparent_to_init(struct task_struct *p) | |
701 | { | |
702 | security_ops->task_reparent_to_init(p); | |
703 | } | |
704 | ||
705 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
706 | { | |
707 | security_ops->task_to_inode(p, inode); | |
708 | } | |
709 | ||
710 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
711 | { | |
712 | return security_ops->ipc_permission(ipcp, flag); | |
713 | } | |
714 | ||
715 | int security_msg_msg_alloc(struct msg_msg *msg) | |
716 | { | |
717 | return security_ops->msg_msg_alloc_security(msg); | |
718 | } | |
719 | ||
720 | void security_msg_msg_free(struct msg_msg *msg) | |
721 | { | |
722 | security_ops->msg_msg_free_security(msg); | |
723 | } | |
724 | ||
725 | int security_msg_queue_alloc(struct msg_queue *msq) | |
726 | { | |
727 | return security_ops->msg_queue_alloc_security(msq); | |
728 | } | |
729 | ||
730 | void security_msg_queue_free(struct msg_queue *msq) | |
731 | { | |
732 | security_ops->msg_queue_free_security(msq); | |
733 | } | |
734 | ||
735 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
736 | { | |
737 | return security_ops->msg_queue_associate(msq, msqflg); | |
738 | } | |
739 | ||
740 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
741 | { | |
742 | return security_ops->msg_queue_msgctl(msq, cmd); | |
743 | } | |
744 | ||
745 | int security_msg_queue_msgsnd(struct msg_queue *msq, | |
746 | struct msg_msg *msg, int msqflg) | |
747 | { | |
748 | return security_ops->msg_queue_msgsnd(msq, msg, msqflg); | |
749 | } | |
750 | ||
751 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
752 | struct task_struct *target, long type, int mode) | |
753 | { | |
754 | return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode); | |
755 | } | |
756 | ||
757 | int security_shm_alloc(struct shmid_kernel *shp) | |
758 | { | |
759 | return security_ops->shm_alloc_security(shp); | |
760 | } | |
761 | ||
762 | void security_shm_free(struct shmid_kernel *shp) | |
763 | { | |
764 | security_ops->shm_free_security(shp); | |
765 | } | |
766 | ||
767 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) | |
768 | { | |
769 | return security_ops->shm_associate(shp, shmflg); | |
770 | } | |
771 | ||
772 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
773 | { | |
774 | return security_ops->shm_shmctl(shp, cmd); | |
775 | } | |
776 | ||
777 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) | |
778 | { | |
779 | return security_ops->shm_shmat(shp, shmaddr, shmflg); | |
780 | } | |
781 | ||
782 | int security_sem_alloc(struct sem_array *sma) | |
783 | { | |
784 | return security_ops->sem_alloc_security(sma); | |
785 | } | |
786 | ||
787 | void security_sem_free(struct sem_array *sma) | |
788 | { | |
789 | security_ops->sem_free_security(sma); | |
790 | } | |
791 | ||
792 | int security_sem_associate(struct sem_array *sma, int semflg) | |
793 | { | |
794 | return security_ops->sem_associate(sma, semflg); | |
795 | } | |
796 | ||
797 | int security_sem_semctl(struct sem_array *sma, int cmd) | |
798 | { | |
799 | return security_ops->sem_semctl(sma, cmd); | |
800 | } | |
801 | ||
802 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
803 | unsigned nsops, int alter) | |
804 | { | |
805 | return security_ops->sem_semop(sma, sops, nsops, alter); | |
806 | } | |
807 | ||
808 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
809 | { | |
810 | if (unlikely(inode && IS_PRIVATE(inode))) | |
811 | return; | |
812 | security_ops->d_instantiate(dentry, inode); | |
813 | } | |
814 | EXPORT_SYMBOL(security_d_instantiate); | |
815 | ||
816 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
817 | { | |
818 | return security_ops->getprocattr(p, name, value); | |
819 | } | |
820 | ||
821 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) | |
822 | { | |
823 | return security_ops->setprocattr(p, name, value, size); | |
824 | } | |
825 | ||
826 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
827 | { | |
828 | return security_ops->netlink_send(sk, skb); | |
829 | } | |
20510f2f JM |
830 | |
831 | int security_netlink_recv(struct sk_buff *skb, int cap) | |
832 | { | |
833 | return security_ops->netlink_recv(skb, cap); | |
834 | } | |
835 | EXPORT_SYMBOL(security_netlink_recv); | |
836 | ||
837 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) | |
838 | { | |
839 | return security_ops->secid_to_secctx(secid, secdata, seclen); | |
840 | } | |
841 | EXPORT_SYMBOL(security_secid_to_secctx); | |
842 | ||
63cb3449 DH |
843 | int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid) |
844 | { | |
845 | return security_ops->secctx_to_secid(secdata, seclen, secid); | |
846 | } | |
847 | EXPORT_SYMBOL(security_secctx_to_secid); | |
848 | ||
20510f2f JM |
849 | void security_release_secctx(char *secdata, u32 seclen) |
850 | { | |
851 | return security_ops->release_secctx(secdata, seclen); | |
852 | } | |
853 | EXPORT_SYMBOL(security_release_secctx); | |
854 | ||
855 | #ifdef CONFIG_SECURITY_NETWORK | |
856 | ||
857 | int security_unix_stream_connect(struct socket *sock, struct socket *other, | |
858 | struct sock *newsk) | |
859 | { | |
860 | return security_ops->unix_stream_connect(sock, other, newsk); | |
861 | } | |
862 | EXPORT_SYMBOL(security_unix_stream_connect); | |
863 | ||
864 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
865 | { | |
866 | return security_ops->unix_may_send(sock, other); | |
867 | } | |
868 | EXPORT_SYMBOL(security_unix_may_send); | |
869 | ||
870 | int security_socket_create(int family, int type, int protocol, int kern) | |
871 | { | |
872 | return security_ops->socket_create(family, type, protocol, kern); | |
873 | } | |
874 | ||
875 | int security_socket_post_create(struct socket *sock, int family, | |
876 | int type, int protocol, int kern) | |
877 | { | |
878 | return security_ops->socket_post_create(sock, family, type, | |
879 | protocol, kern); | |
880 | } | |
881 | ||
882 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) | |
883 | { | |
884 | return security_ops->socket_bind(sock, address, addrlen); | |
885 | } | |
886 | ||
887 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
888 | { | |
889 | return security_ops->socket_connect(sock, address, addrlen); | |
890 | } | |
891 | ||
892 | int security_socket_listen(struct socket *sock, int backlog) | |
893 | { | |
894 | return security_ops->socket_listen(sock, backlog); | |
895 | } | |
896 | ||
897 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
898 | { | |
899 | return security_ops->socket_accept(sock, newsock); | |
900 | } | |
901 | ||
902 | void security_socket_post_accept(struct socket *sock, struct socket *newsock) | |
903 | { | |
904 | security_ops->socket_post_accept(sock, newsock); | |
905 | } | |
906 | ||
907 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) | |
908 | { | |
909 | return security_ops->socket_sendmsg(sock, msg, size); | |
910 | } | |
911 | ||
912 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
913 | int size, int flags) | |
914 | { | |
915 | return security_ops->socket_recvmsg(sock, msg, size, flags); | |
916 | } | |
917 | ||
918 | int security_socket_getsockname(struct socket *sock) | |
919 | { | |
920 | return security_ops->socket_getsockname(sock); | |
921 | } | |
922 | ||
923 | int security_socket_getpeername(struct socket *sock) | |
924 | { | |
925 | return security_ops->socket_getpeername(sock); | |
926 | } | |
927 | ||
928 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
929 | { | |
930 | return security_ops->socket_getsockopt(sock, level, optname); | |
931 | } | |
932 | ||
933 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
934 | { | |
935 | return security_ops->socket_setsockopt(sock, level, optname); | |
936 | } | |
937 | ||
938 | int security_socket_shutdown(struct socket *sock, int how) | |
939 | { | |
940 | return security_ops->socket_shutdown(sock, how); | |
941 | } | |
942 | ||
943 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
944 | { | |
945 | return security_ops->socket_sock_rcv_skb(sk, skb); | |
946 | } | |
947 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
948 | ||
949 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
950 | int __user *optlen, unsigned len) | |
951 | { | |
952 | return security_ops->socket_getpeersec_stream(sock, optval, optlen, len); | |
953 | } | |
954 | ||
955 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
956 | { | |
957 | return security_ops->socket_getpeersec_dgram(sock, skb, secid); | |
958 | } | |
959 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
960 | ||
961 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
962 | { | |
963 | return security_ops->sk_alloc_security(sk, family, priority); | |
964 | } | |
965 | ||
966 | void security_sk_free(struct sock *sk) | |
967 | { | |
968 | return security_ops->sk_free_security(sk); | |
969 | } | |
970 | ||
971 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
972 | { | |
973 | return security_ops->sk_clone_security(sk, newsk); | |
974 | } | |
975 | ||
976 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
977 | { | |
978 | security_ops->sk_getsecid(sk, &fl->secid); | |
979 | } | |
980 | EXPORT_SYMBOL(security_sk_classify_flow); | |
981 | ||
982 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
983 | { | |
984 | security_ops->req_classify_flow(req, fl); | |
985 | } | |
986 | EXPORT_SYMBOL(security_req_classify_flow); | |
987 | ||
988 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
989 | { | |
990 | security_ops->sock_graft(sk, parent); | |
991 | } | |
992 | EXPORT_SYMBOL(security_sock_graft); | |
993 | ||
994 | int security_inet_conn_request(struct sock *sk, | |
995 | struct sk_buff *skb, struct request_sock *req) | |
996 | { | |
997 | return security_ops->inet_conn_request(sk, skb, req); | |
998 | } | |
999 | EXPORT_SYMBOL(security_inet_conn_request); | |
1000 | ||
1001 | void security_inet_csk_clone(struct sock *newsk, | |
1002 | const struct request_sock *req) | |
1003 | { | |
1004 | security_ops->inet_csk_clone(newsk, req); | |
1005 | } | |
1006 | ||
1007 | void security_inet_conn_established(struct sock *sk, | |
1008 | struct sk_buff *skb) | |
1009 | { | |
1010 | security_ops->inet_conn_established(sk, skb); | |
1011 | } | |
1012 | ||
1013 | #endif /* CONFIG_SECURITY_NETWORK */ | |
1014 | ||
1015 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
1016 | ||
1017 | int security_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx) | |
1018 | { | |
1019 | return security_ops->xfrm_policy_alloc_security(xp, sec_ctx); | |
1020 | } | |
1021 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1022 | ||
1023 | int security_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new) | |
1024 | { | |
1025 | return security_ops->xfrm_policy_clone_security(old, new); | |
1026 | } | |
1027 | ||
1028 | void security_xfrm_policy_free(struct xfrm_policy *xp) | |
1029 | { | |
1030 | security_ops->xfrm_policy_free_security(xp); | |
1031 | } | |
1032 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1033 | ||
1034 | int security_xfrm_policy_delete(struct xfrm_policy *xp) | |
1035 | { | |
1036 | return security_ops->xfrm_policy_delete_security(xp); | |
1037 | } | |
1038 | ||
1039 | int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx) | |
1040 | { | |
1041 | return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0); | |
1042 | } | |
1043 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1044 | ||
1045 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1046 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1047 | { | |
1048 | if (!polsec) | |
1049 | return 0; | |
1050 | /* | |
1051 | * We want the context to be taken from secid which is usually | |
1052 | * from the sock. | |
1053 | */ | |
1054 | return security_ops->xfrm_state_alloc_security(x, NULL, secid); | |
1055 | } | |
1056 | ||
1057 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1058 | { | |
1059 | return security_ops->xfrm_state_delete_security(x); | |
1060 | } | |
1061 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1062 | ||
1063 | void security_xfrm_state_free(struct xfrm_state *x) | |
1064 | { | |
1065 | security_ops->xfrm_state_free_security(x); | |
1066 | } | |
1067 | ||
1068 | int security_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir) | |
1069 | { | |
1070 | return security_ops->xfrm_policy_lookup(xp, fl_secid, dir); | |
1071 | } | |
1072 | ||
1073 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
1074 | struct xfrm_policy *xp, struct flowi *fl) | |
1075 | { | |
1076 | return security_ops->xfrm_state_pol_flow_match(x, xp, fl); | |
1077 | } | |
1078 | ||
1079 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1080 | { | |
1081 | return security_ops->xfrm_decode_session(skb, secid, 1); | |
1082 | } | |
1083 | ||
1084 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1085 | { | |
1086 | int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0); | |
1087 | ||
1088 | BUG_ON(rc); | |
1089 | } | |
1090 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1091 | ||
1092 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1093 | ||
1094 | #ifdef CONFIG_KEYS | |
1095 | ||
1096 | int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags) | |
1097 | { | |
1098 | return security_ops->key_alloc(key, tsk, flags); | |
1099 | } | |
1100 | ||
1101 | void security_key_free(struct key *key) | |
1102 | { | |
1103 | security_ops->key_free(key); | |
1104 | } | |
1105 | ||
1106 | int security_key_permission(key_ref_t key_ref, | |
1107 | struct task_struct *context, key_perm_t perm) | |
1108 | { | |
1109 | return security_ops->key_permission(key_ref, context, perm); | |
1110 | } | |
1111 | ||
1112 | #endif /* CONFIG_KEYS */ |