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 | 18 | #include <linux/security.h> |
f381c272 | 19 | #include <linux/integrity.h> |
6c21a7fb | 20 | #include <linux/ima.h> |
3e1be52d | 21 | #include <linux/evm.h> |
40401530 | 22 | #include <linux/fsnotify.h> |
8b3ec681 AV |
23 | #include <linux/mman.h> |
24 | #include <linux/mount.h> | |
25 | #include <linux/personality.h> | |
40401530 | 26 | #include <net/flow.h> |
1da177e4 | 27 | |
823eb1cc | 28 | #define MAX_LSM_EVM_XATTR 2 |
1da177e4 | 29 | |
076c54c5 | 30 | /* Boot-time LSM user choice */ |
6e65f92f JJ |
31 | static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = |
32 | CONFIG_DEFAULT_SECURITY; | |
1da177e4 | 33 | |
189b3b1c | 34 | static struct security_operations *security_ops; |
35 | static struct security_operations default_security_ops = { | |
36 | .name = "default", | |
37 | }; | |
a5ecbcb8 | 38 | |
c80901f2 | 39 | static inline int __init verify(struct security_operations *ops) |
1da177e4 LT |
40 | { |
41 | /* verify the security_operations structure exists */ | |
42 | if (!ops) | |
43 | return -EINVAL; | |
44 | security_fixup_ops(ops); | |
45 | return 0; | |
46 | } | |
47 | ||
48 | static void __init do_security_initcalls(void) | |
49 | { | |
50 | initcall_t *call; | |
51 | call = __security_initcall_start; | |
52 | while (call < __security_initcall_end) { | |
53 | (*call) (); | |
54 | call++; | |
55 | } | |
56 | } | |
57 | ||
58 | /** | |
59 | * security_init - initializes the security framework | |
60 | * | |
61 | * This should be called early in the kernel initialization sequence. | |
62 | */ | |
63 | int __init security_init(void) | |
64 | { | |
20510f2f | 65 | printk(KERN_INFO "Security Framework initialized\n"); |
1da177e4 | 66 | |
5915eb53 MS |
67 | security_fixup_ops(&default_security_ops); |
68 | security_ops = &default_security_ops; | |
1da177e4 LT |
69 | do_security_initcalls(); |
70 | ||
71 | return 0; | |
72 | } | |
73 | ||
189b3b1c | 74 | void reset_security_ops(void) |
75 | { | |
76 | security_ops = &default_security_ops; | |
77 | } | |
78 | ||
076c54c5 AD |
79 | /* Save user chosen LSM */ |
80 | static int __init choose_lsm(char *str) | |
81 | { | |
82 | strncpy(chosen_lsm, str, SECURITY_NAME_MAX); | |
83 | return 1; | |
84 | } | |
85 | __setup("security=", choose_lsm); | |
86 | ||
87 | /** | |
88 | * security_module_enable - Load given security module on boot ? | |
89 | * @ops: a pointer to the struct security_operations that is to be checked. | |
90 | * | |
91 | * Each LSM must pass this method before registering its own operations | |
92 | * to avoid security registration races. This method may also be used | |
7cea51be | 93 | * to check if your LSM is currently loaded during kernel initialization. |
076c54c5 AD |
94 | * |
95 | * Return true if: | |
96 | * -The passed LSM is the one chosen by user at boot time, | |
6e65f92f | 97 | * -or the passed LSM is configured as the default and the user did not |
065d78a0 | 98 | * choose an alternate LSM at boot time. |
076c54c5 AD |
99 | * Otherwise, return false. |
100 | */ | |
101 | int __init security_module_enable(struct security_operations *ops) | |
102 | { | |
065d78a0 | 103 | return !strcmp(ops->name, chosen_lsm); |
076c54c5 AD |
104 | } |
105 | ||
1da177e4 LT |
106 | /** |
107 | * register_security - registers a security framework with the kernel | |
108 | * @ops: a pointer to the struct security_options that is to be registered | |
109 | * | |
3f23d815 | 110 | * This function allows a security module to register itself with the |
1da177e4 | 111 | * kernel security subsystem. Some rudimentary checking is done on the @ops |
076c54c5 AD |
112 | * value passed to this function. You'll need to check first if your LSM |
113 | * is allowed to register its @ops by calling security_module_enable(@ops). | |
1da177e4 LT |
114 | * |
115 | * If there is already a security module registered with the kernel, | |
3f23d815 | 116 | * an error will be returned. Otherwise %0 is returned on success. |
1da177e4 | 117 | */ |
c1e992b9 | 118 | int __init register_security(struct security_operations *ops) |
1da177e4 LT |
119 | { |
120 | if (verify(ops)) { | |
121 | printk(KERN_DEBUG "%s could not verify " | |
dd6f953a | 122 | "security_operations structure.\n", __func__); |
1da177e4 LT |
123 | return -EINVAL; |
124 | } | |
125 | ||
5915eb53 | 126 | if (security_ops != &default_security_ops) |
1da177e4 LT |
127 | return -EAGAIN; |
128 | ||
129 | security_ops = ops; | |
130 | ||
131 | return 0; | |
132 | } | |
133 | ||
20510f2f JM |
134 | /* Security operations */ |
135 | ||
9e48858f | 136 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 137 | { |
9e48858f | 138 | return security_ops->ptrace_access_check(child, mode); |
5cd9c58f DH |
139 | } |
140 | ||
141 | int security_ptrace_traceme(struct task_struct *parent) | |
142 | { | |
143 | return security_ops->ptrace_traceme(parent); | |
20510f2f JM |
144 | } |
145 | ||
146 | int security_capget(struct task_struct *target, | |
147 | kernel_cap_t *effective, | |
148 | kernel_cap_t *inheritable, | |
149 | kernel_cap_t *permitted) | |
150 | { | |
151 | return security_ops->capget(target, effective, inheritable, permitted); | |
152 | } | |
153 | ||
d84f4f99 DH |
154 | int security_capset(struct cred *new, const struct cred *old, |
155 | const kernel_cap_t *effective, | |
156 | const kernel_cap_t *inheritable, | |
157 | const kernel_cap_t *permitted) | |
20510f2f | 158 | { |
d84f4f99 DH |
159 | return security_ops->capset(new, old, |
160 | effective, inheritable, permitted); | |
20510f2f JM |
161 | } |
162 | ||
b7e724d3 | 163 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 164 | int cap) |
20510f2f | 165 | { |
6a9de491 | 166 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
167 | } |
168 | ||
c7eba4a9 EP |
169 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
170 | int cap) | |
06112163 | 171 | { |
c7eba4a9 | 172 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
173 | } |
174 | ||
20510f2f JM |
175 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
176 | { | |
177 | return security_ops->quotactl(cmds, type, id, sb); | |
178 | } | |
179 | ||
180 | int security_quota_on(struct dentry *dentry) | |
181 | { | |
182 | return security_ops->quota_on(dentry); | |
183 | } | |
184 | ||
12b3052c | 185 | int security_syslog(int type) |
20510f2f | 186 | { |
12b3052c | 187 | return security_ops->syslog(type); |
20510f2f JM |
188 | } |
189 | ||
1e6d7679 | 190 | int security_settime(const struct timespec *ts, const struct timezone *tz) |
20510f2f JM |
191 | { |
192 | return security_ops->settime(ts, tz); | |
193 | } | |
194 | ||
20510f2f JM |
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 | ||
a6f76f23 | 200 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 201 | { |
a6f76f23 | 202 | return security_ops->bprm_set_creds(bprm); |
20510f2f JM |
203 | } |
204 | ||
a6f76f23 | 205 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 206 | { |
6c21a7fb MZ |
207 | int ret; |
208 | ||
209 | ret = security_ops->bprm_check_security(bprm); | |
210 | if (ret) | |
211 | return ret; | |
212 | return ima_bprm_check(bprm); | |
20510f2f JM |
213 | } |
214 | ||
a6f76f23 | 215 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 216 | { |
200036ca | 217 | security_ops->bprm_committing_creds(bprm); |
20510f2f JM |
218 | } |
219 | ||
a6f76f23 | 220 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 221 | { |
200036ca | 222 | security_ops->bprm_committed_creds(bprm); |
20510f2f JM |
223 | } |
224 | ||
225 | int security_bprm_secureexec(struct linux_binprm *bprm) | |
226 | { | |
227 | return security_ops->bprm_secureexec(bprm); | |
228 | } | |
229 | ||
230 | int security_sb_alloc(struct super_block *sb) | |
231 | { | |
232 | return security_ops->sb_alloc_security(sb); | |
233 | } | |
234 | ||
235 | void security_sb_free(struct super_block *sb) | |
236 | { | |
237 | security_ops->sb_free_security(sb); | |
238 | } | |
239 | ||
e0007529 | 240 | int security_sb_copy_data(char *orig, char *copy) |
20510f2f | 241 | { |
e0007529 | 242 | return security_ops->sb_copy_data(orig, copy); |
20510f2f | 243 | } |
e0007529 | 244 | EXPORT_SYMBOL(security_sb_copy_data); |
20510f2f | 245 | |
ff36fe2c EP |
246 | int security_sb_remount(struct super_block *sb, void *data) |
247 | { | |
248 | return security_ops->sb_remount(sb, data); | |
249 | } | |
250 | ||
12204e24 | 251 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
20510f2f | 252 | { |
12204e24 | 253 | return security_ops->sb_kern_mount(sb, flags, data); |
20510f2f JM |
254 | } |
255 | ||
2069f457 EP |
256 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
257 | { | |
258 | return security_ops->sb_show_options(m, sb); | |
259 | } | |
260 | ||
20510f2f JM |
261 | int security_sb_statfs(struct dentry *dentry) |
262 | { | |
263 | return security_ops->sb_statfs(dentry); | |
264 | } | |
265 | ||
b5266eb4 | 266 | int security_sb_mount(char *dev_name, struct path *path, |
20510f2f JM |
267 | char *type, unsigned long flags, void *data) |
268 | { | |
b5266eb4 | 269 | return security_ops->sb_mount(dev_name, path, type, flags, data); |
20510f2f JM |
270 | } |
271 | ||
20510f2f JM |
272 | int security_sb_umount(struct vfsmount *mnt, int flags) |
273 | { | |
274 | return security_ops->sb_umount(mnt, flags); | |
275 | } | |
276 | ||
b5266eb4 | 277 | int security_sb_pivotroot(struct path *old_path, struct path *new_path) |
20510f2f | 278 | { |
b5266eb4 | 279 | return security_ops->sb_pivotroot(old_path, new_path); |
20510f2f JM |
280 | } |
281 | ||
c9180a57 | 282 | int security_sb_set_mnt_opts(struct super_block *sb, |
e0007529 | 283 | struct security_mnt_opts *opts) |
c9180a57 | 284 | { |
e0007529 | 285 | return security_ops->sb_set_mnt_opts(sb, opts); |
c9180a57 | 286 | } |
e0007529 | 287 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 EP |
288 | |
289 | void security_sb_clone_mnt_opts(const struct super_block *oldsb, | |
290 | struct super_block *newsb) | |
291 | { | |
292 | security_ops->sb_clone_mnt_opts(oldsb, newsb); | |
293 | } | |
e0007529 EP |
294 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
295 | ||
296 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
297 | { | |
298 | return security_ops->sb_parse_opts_str(options, opts); | |
299 | } | |
300 | EXPORT_SYMBOL(security_sb_parse_opts_str); | |
c9180a57 | 301 | |
20510f2f JM |
302 | int security_inode_alloc(struct inode *inode) |
303 | { | |
304 | inode->i_security = NULL; | |
bc7d2a3e | 305 | return security_ops->inode_alloc_security(inode); |
20510f2f JM |
306 | } |
307 | ||
308 | void security_inode_free(struct inode *inode) | |
309 | { | |
f381c272 | 310 | integrity_inode_free(inode); |
20510f2f JM |
311 | security_ops->inode_free_security(inode); |
312 | } | |
313 | ||
314 | int security_inode_init_security(struct inode *inode, struct inode *dir, | |
9d8f13ba MZ |
315 | const struct qstr *qstr, |
316 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 317 | { |
823eb1cc MZ |
318 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
319 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
320 | int ret; |
321 | ||
20510f2f | 322 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 323 | return 0; |
9d8f13ba MZ |
324 | |
325 | memset(new_xattrs, 0, sizeof new_xattrs); | |
326 | if (!initxattrs) | |
327 | return security_ops->inode_init_security(inode, dir, qstr, | |
328 | NULL, NULL, NULL); | |
329 | lsm_xattr = new_xattrs; | |
330 | ret = security_ops->inode_init_security(inode, dir, qstr, | |
331 | &lsm_xattr->name, | |
332 | &lsm_xattr->value, | |
333 | &lsm_xattr->value_len); | |
334 | if (ret) | |
335 | goto out; | |
823eb1cc MZ |
336 | |
337 | evm_xattr = lsm_xattr + 1; | |
338 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
339 | if (ret) | |
340 | goto out; | |
9d8f13ba MZ |
341 | ret = initxattrs(inode, new_xattrs, fs_data); |
342 | out: | |
823eb1cc MZ |
343 | for (xattr = new_xattrs; xattr->name != NULL; xattr++) { |
344 | kfree(xattr->name); | |
345 | kfree(xattr->value); | |
346 | } | |
9d8f13ba MZ |
347 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
348 | } | |
349 | EXPORT_SYMBOL(security_inode_init_security); | |
350 | ||
351 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
352 | const struct qstr *qstr, char **name, | |
353 | void **value, size_t *len) | |
20510f2f JM |
354 | { |
355 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 356 | return -EOPNOTSUPP; |
2a7dba39 EP |
357 | return security_ops->inode_init_security(inode, dir, qstr, name, value, |
358 | len); | |
20510f2f | 359 | } |
9d8f13ba | 360 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 361 | |
be6d3e56 | 362 | #ifdef CONFIG_SECURITY_PATH |
04fc66e7 | 363 | int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
364 | unsigned int dev) |
365 | { | |
5d0901a3 | 366 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 367 | return 0; |
5d0901a3 | 368 | return security_ops->path_mknod(dir, dentry, mode, dev); |
be6d3e56 KT |
369 | } |
370 | EXPORT_SYMBOL(security_path_mknod); | |
371 | ||
4572befe | 372 | int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 373 | { |
5d0901a3 | 374 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 375 | return 0; |
5d0901a3 | 376 | return security_ops->path_mkdir(dir, dentry, mode); |
be6d3e56 | 377 | } |
82140443 | 378 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 379 | |
5d0901a3 | 380 | int security_path_rmdir(struct path *dir, struct dentry *dentry) |
be6d3e56 | 381 | { |
5d0901a3 | 382 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 383 | return 0; |
5d0901a3 | 384 | return security_ops->path_rmdir(dir, dentry); |
be6d3e56 KT |
385 | } |
386 | ||
5d0901a3 | 387 | int security_path_unlink(struct path *dir, struct dentry *dentry) |
be6d3e56 | 388 | { |
5d0901a3 | 389 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 390 | return 0; |
5d0901a3 | 391 | return security_ops->path_unlink(dir, dentry); |
be6d3e56 | 392 | } |
82140443 | 393 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 394 | |
5d0901a3 | 395 | int security_path_symlink(struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
396 | const char *old_name) |
397 | { | |
5d0901a3 | 398 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 399 | return 0; |
5d0901a3 | 400 | return security_ops->path_symlink(dir, dentry, old_name); |
be6d3e56 KT |
401 | } |
402 | ||
403 | int security_path_link(struct dentry *old_dentry, struct path *new_dir, | |
404 | struct dentry *new_dentry) | |
405 | { | |
406 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) | |
407 | return 0; | |
408 | return security_ops->path_link(old_dentry, new_dir, new_dentry); | |
409 | } | |
410 | ||
411 | int security_path_rename(struct path *old_dir, struct dentry *old_dentry, | |
412 | struct path *new_dir, struct dentry *new_dentry) | |
413 | { | |
414 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || | |
415 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) | |
416 | return 0; | |
417 | return security_ops->path_rename(old_dir, old_dentry, new_dir, | |
418 | new_dentry); | |
419 | } | |
82140443 | 420 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 421 | |
ea0d3ab2 | 422 | int security_path_truncate(struct path *path) |
be6d3e56 KT |
423 | { |
424 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) | |
425 | return 0; | |
ea0d3ab2 | 426 | return security_ops->path_truncate(path); |
be6d3e56 | 427 | } |
89eda068 | 428 | |
cdcf116d | 429 | int security_path_chmod(struct path *path, umode_t mode) |
89eda068 | 430 | { |
cdcf116d | 431 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
89eda068 | 432 | return 0; |
cdcf116d | 433 | return security_ops->path_chmod(path, mode); |
89eda068 TH |
434 | } |
435 | ||
436 | int security_path_chown(struct path *path, uid_t uid, gid_t gid) | |
437 | { | |
438 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) | |
439 | return 0; | |
440 | return security_ops->path_chown(path, uid, gid); | |
441 | } | |
8b8efb44 TH |
442 | |
443 | int security_path_chroot(struct path *path) | |
444 | { | |
445 | return security_ops->path_chroot(path); | |
446 | } | |
be6d3e56 KT |
447 | #endif |
448 | ||
4acdaf27 | 449 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
450 | { |
451 | if (unlikely(IS_PRIVATE(dir))) | |
452 | return 0; | |
453 | return security_ops->inode_create(dir, dentry, mode); | |
454 | } | |
800a9647 | 455 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
456 | |
457 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
458 | struct dentry *new_dentry) | |
459 | { | |
460 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) | |
461 | return 0; | |
462 | return security_ops->inode_link(old_dentry, dir, new_dentry); | |
463 | } | |
464 | ||
465 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
466 | { | |
467 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
468 | return 0; | |
469 | return security_ops->inode_unlink(dir, dentry); | |
470 | } | |
471 | ||
472 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
473 | const char *old_name) | |
474 | { | |
475 | if (unlikely(IS_PRIVATE(dir))) | |
476 | return 0; | |
477 | return security_ops->inode_symlink(dir, dentry, old_name); | |
478 | } | |
479 | ||
18bb1db3 | 480 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
481 | { |
482 | if (unlikely(IS_PRIVATE(dir))) | |
483 | return 0; | |
484 | return security_ops->inode_mkdir(dir, dentry, mode); | |
485 | } | |
800a9647 | 486 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
487 | |
488 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
489 | { | |
490 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
491 | return 0; | |
492 | return security_ops->inode_rmdir(dir, dentry); | |
493 | } | |
494 | ||
1a67aafb | 495 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
496 | { |
497 | if (unlikely(IS_PRIVATE(dir))) | |
498 | return 0; | |
499 | return security_ops->inode_mknod(dir, dentry, mode, dev); | |
500 | } | |
501 | ||
502 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
503 | struct inode *new_dir, struct dentry *new_dentry) | |
504 | { | |
505 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || | |
506 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) | |
507 | return 0; | |
508 | return security_ops->inode_rename(old_dir, old_dentry, | |
509 | new_dir, new_dentry); | |
510 | } | |
511 | ||
512 | int security_inode_readlink(struct dentry *dentry) | |
513 | { | |
514 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
515 | return 0; | |
516 | return security_ops->inode_readlink(dentry); | |
517 | } | |
518 | ||
519 | int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd) | |
520 | { | |
521 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
522 | return 0; | |
523 | return security_ops->inode_follow_link(dentry, nd); | |
524 | } | |
525 | ||
b77b0646 | 526 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
527 | { |
528 | if (unlikely(IS_PRIVATE(inode))) | |
529 | return 0; | |
e74f71eb | 530 | return security_ops->inode_permission(inode, mask); |
20510f2f JM |
531 | } |
532 | ||
533 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
534 | { | |
817b54aa MZ |
535 | int ret; |
536 | ||
20510f2f JM |
537 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
538 | return 0; | |
817b54aa MZ |
539 | ret = security_ops->inode_setattr(dentry, attr); |
540 | if (ret) | |
541 | return ret; | |
542 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 543 | } |
b1da47e2 | 544 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f JM |
545 | |
546 | int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) | |
547 | { | |
548 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
549 | return 0; | |
550 | return security_ops->inode_getattr(mnt, dentry); | |
551 | } | |
552 | ||
8f0cfa52 DH |
553 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
554 | const void *value, size_t size, int flags) | |
20510f2f | 555 | { |
3e1be52d MZ |
556 | int ret; |
557 | ||
20510f2f JM |
558 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
559 | return 0; | |
3e1be52d MZ |
560 | ret = security_ops->inode_setxattr(dentry, name, value, size, flags); |
561 | if (ret) | |
562 | return ret; | |
563 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
564 | } |
565 | ||
8f0cfa52 DH |
566 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
567 | const void *value, size_t size, int flags) | |
20510f2f JM |
568 | { |
569 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
570 | return; | |
571 | security_ops->inode_post_setxattr(dentry, name, value, size, flags); | |
3e1be52d | 572 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
573 | } |
574 | ||
8f0cfa52 | 575 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f JM |
576 | { |
577 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
578 | return 0; | |
579 | return security_ops->inode_getxattr(dentry, name); | |
580 | } | |
581 | ||
582 | int security_inode_listxattr(struct dentry *dentry) | |
583 | { | |
584 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
585 | return 0; | |
586 | return security_ops->inode_listxattr(dentry); | |
587 | } | |
588 | ||
8f0cfa52 | 589 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 590 | { |
3e1be52d MZ |
591 | int ret; |
592 | ||
20510f2f JM |
593 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
594 | return 0; | |
3e1be52d MZ |
595 | ret = security_ops->inode_removexattr(dentry, name); |
596 | if (ret) | |
597 | return ret; | |
598 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
599 | } |
600 | ||
b5376771 SH |
601 | int security_inode_need_killpriv(struct dentry *dentry) |
602 | { | |
603 | return security_ops->inode_need_killpriv(dentry); | |
604 | } | |
605 | ||
606 | int security_inode_killpriv(struct dentry *dentry) | |
607 | { | |
608 | return security_ops->inode_killpriv(dentry); | |
609 | } | |
610 | ||
42492594 | 611 | int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f JM |
612 | { |
613 | if (unlikely(IS_PRIVATE(inode))) | |
8d952504 | 614 | return -EOPNOTSUPP; |
42492594 | 615 | return security_ops->inode_getsecurity(inode, name, buffer, alloc); |
20510f2f JM |
616 | } |
617 | ||
618 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
619 | { | |
620 | if (unlikely(IS_PRIVATE(inode))) | |
8d952504 | 621 | return -EOPNOTSUPP; |
20510f2f JM |
622 | return security_ops->inode_setsecurity(inode, name, value, size, flags); |
623 | } | |
624 | ||
625 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
626 | { | |
627 | if (unlikely(IS_PRIVATE(inode))) | |
628 | return 0; | |
629 | return security_ops->inode_listsecurity(inode, buffer, buffer_size); | |
630 | } | |
631 | ||
8a076191 AD |
632 | void security_inode_getsecid(const struct inode *inode, u32 *secid) |
633 | { | |
634 | security_ops->inode_getsecid(inode, secid); | |
635 | } | |
636 | ||
20510f2f JM |
637 | int security_file_permission(struct file *file, int mask) |
638 | { | |
c4ec54b4 EP |
639 | int ret; |
640 | ||
641 | ret = security_ops->file_permission(file, mask); | |
642 | if (ret) | |
643 | return ret; | |
644 | ||
645 | return fsnotify_perm(file, mask); | |
20510f2f JM |
646 | } |
647 | ||
648 | int security_file_alloc(struct file *file) | |
649 | { | |
650 | return security_ops->file_alloc_security(file); | |
651 | } | |
652 | ||
653 | void security_file_free(struct file *file) | |
654 | { | |
655 | security_ops->file_free_security(file); | |
656 | } | |
657 | ||
658 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
659 | { | |
660 | return security_ops->file_ioctl(file, cmd, arg); | |
661 | } | |
662 | ||
98de59bf | 663 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 664 | { |
8b3ec681 | 665 | /* |
98de59bf AV |
666 | * Does we have PROT_READ and does the application expect |
667 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 668 | */ |
98de59bf AV |
669 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
670 | return prot; | |
8b3ec681 | 671 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
672 | return prot; |
673 | /* | |
674 | * if that's an anonymous mapping, let it. | |
675 | */ | |
676 | if (!file) | |
677 | return prot | PROT_EXEC; | |
678 | /* | |
679 | * ditto if it's not on noexec mount, except that on !MMU we need | |
680 | * BDI_CAP_EXEC_MMAP (== VM_MAYEXEC) in this case | |
681 | */ | |
682 | if (!(file->f_path.mnt->mnt_flags & MNT_NOEXEC)) { | |
8b3ec681 AV |
683 | #ifndef CONFIG_MMU |
684 | unsigned long caps = 0; | |
685 | struct address_space *mapping = file->f_mapping; | |
686 | if (mapping && mapping->backing_dev_info) | |
687 | caps = mapping->backing_dev_info->capabilities; | |
688 | if (!(caps & BDI_CAP_EXEC_MAP)) | |
98de59bf | 689 | return prot; |
8b3ec681 | 690 | #endif |
98de59bf | 691 | return prot | PROT_EXEC; |
8b3ec681 | 692 | } |
98de59bf AV |
693 | /* anything on noexec mount won't get PROT_EXEC */ |
694 | return prot; | |
695 | } | |
696 | ||
697 | int security_mmap_file(struct file *file, unsigned long prot, | |
698 | unsigned long flags) | |
699 | { | |
700 | int ret; | |
701 | ret = security_ops->mmap_file(file, prot, | |
702 | mmap_prot(file, prot), flags); | |
6c21a7fb MZ |
703 | if (ret) |
704 | return ret; | |
705 | return ima_file_mmap(file, prot); | |
20510f2f JM |
706 | } |
707 | ||
e5467859 AV |
708 | int security_mmap_addr(unsigned long addr) |
709 | { | |
710 | return security_ops->mmap_addr(addr); | |
711 | } | |
712 | ||
20510f2f JM |
713 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
714 | unsigned long prot) | |
715 | { | |
716 | return security_ops->file_mprotect(vma, reqprot, prot); | |
717 | } | |
718 | ||
719 | int security_file_lock(struct file *file, unsigned int cmd) | |
720 | { | |
721 | return security_ops->file_lock(file, cmd); | |
722 | } | |
723 | ||
724 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
725 | { | |
726 | return security_ops->file_fcntl(file, cmd, arg); | |
727 | } | |
728 | ||
729 | int security_file_set_fowner(struct file *file) | |
730 | { | |
731 | return security_ops->file_set_fowner(file); | |
732 | } | |
733 | ||
734 | int security_file_send_sigiotask(struct task_struct *tsk, | |
735 | struct fown_struct *fown, int sig) | |
736 | { | |
737 | return security_ops->file_send_sigiotask(tsk, fown, sig); | |
738 | } | |
739 | ||
740 | int security_file_receive(struct file *file) | |
741 | { | |
742 | return security_ops->file_receive(file); | |
743 | } | |
744 | ||
83d49856 | 745 | int security_file_open(struct file *file, const struct cred *cred) |
20510f2f | 746 | { |
c4ec54b4 EP |
747 | int ret; |
748 | ||
83d49856 | 749 | ret = security_ops->file_open(file, cred); |
c4ec54b4 EP |
750 | if (ret) |
751 | return ret; | |
752 | ||
753 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
754 | } |
755 | ||
756 | int security_task_create(unsigned long clone_flags) | |
757 | { | |
758 | return security_ops->task_create(clone_flags); | |
759 | } | |
760 | ||
1a2a4d06 KC |
761 | void security_task_free(struct task_struct *task) |
762 | { | |
763 | security_ops->task_free(task); | |
764 | } | |
765 | ||
ee18d64c DH |
766 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
767 | { | |
768 | return security_ops->cred_alloc_blank(cred, gfp); | |
769 | } | |
770 | ||
d84f4f99 | 771 | void security_cred_free(struct cred *cred) |
20510f2f | 772 | { |
d84f4f99 | 773 | security_ops->cred_free(cred); |
20510f2f JM |
774 | } |
775 | ||
d84f4f99 | 776 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 777 | { |
d84f4f99 DH |
778 | return security_ops->cred_prepare(new, old, gfp); |
779 | } | |
780 | ||
ee18d64c DH |
781 | void security_transfer_creds(struct cred *new, const struct cred *old) |
782 | { | |
783 | security_ops->cred_transfer(new, old); | |
784 | } | |
785 | ||
3a3b7ce9 DH |
786 | int security_kernel_act_as(struct cred *new, u32 secid) |
787 | { | |
788 | return security_ops->kernel_act_as(new, secid); | |
789 | } | |
790 | ||
791 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
792 | { | |
793 | return security_ops->kernel_create_files_as(new, inode); | |
794 | } | |
795 | ||
dd8dbf2e | 796 | int security_kernel_module_request(char *kmod_name) |
9188499c | 797 | { |
dd8dbf2e | 798 | return security_ops->kernel_module_request(kmod_name); |
9188499c EP |
799 | } |
800 | ||
d84f4f99 DH |
801 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
802 | int flags) | |
20510f2f | 803 | { |
d84f4f99 | 804 | return security_ops->task_fix_setuid(new, old, flags); |
20510f2f JM |
805 | } |
806 | ||
20510f2f JM |
807 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
808 | { | |
809 | return security_ops->task_setpgid(p, pgid); | |
810 | } | |
811 | ||
812 | int security_task_getpgid(struct task_struct *p) | |
813 | { | |
814 | return security_ops->task_getpgid(p); | |
815 | } | |
816 | ||
817 | int security_task_getsid(struct task_struct *p) | |
818 | { | |
819 | return security_ops->task_getsid(p); | |
820 | } | |
821 | ||
822 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
823 | { | |
824 | security_ops->task_getsecid(p, secid); | |
825 | } | |
826 | EXPORT_SYMBOL(security_task_getsecid); | |
827 | ||
20510f2f JM |
828 | int security_task_setnice(struct task_struct *p, int nice) |
829 | { | |
830 | return security_ops->task_setnice(p, nice); | |
831 | } | |
832 | ||
833 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
834 | { | |
835 | return security_ops->task_setioprio(p, ioprio); | |
836 | } | |
837 | ||
838 | int security_task_getioprio(struct task_struct *p) | |
839 | { | |
840 | return security_ops->task_getioprio(p); | |
841 | } | |
842 | ||
8fd00b4d JS |
843 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
844 | struct rlimit *new_rlim) | |
20510f2f | 845 | { |
8fd00b4d | 846 | return security_ops->task_setrlimit(p, resource, new_rlim); |
20510f2f JM |
847 | } |
848 | ||
b0ae1981 | 849 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 850 | { |
b0ae1981 | 851 | return security_ops->task_setscheduler(p); |
20510f2f JM |
852 | } |
853 | ||
854 | int security_task_getscheduler(struct task_struct *p) | |
855 | { | |
856 | return security_ops->task_getscheduler(p); | |
857 | } | |
858 | ||
859 | int security_task_movememory(struct task_struct *p) | |
860 | { | |
861 | return security_ops->task_movememory(p); | |
862 | } | |
863 | ||
864 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
865 | int sig, u32 secid) | |
866 | { | |
867 | return security_ops->task_kill(p, info, sig, secid); | |
868 | } | |
869 | ||
870 | int security_task_wait(struct task_struct *p) | |
871 | { | |
872 | return security_ops->task_wait(p); | |
873 | } | |
874 | ||
875 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, | |
d84f4f99 | 876 | unsigned long arg4, unsigned long arg5) |
20510f2f | 877 | { |
d84f4f99 | 878 | return security_ops->task_prctl(option, arg2, arg3, arg4, arg5); |
20510f2f JM |
879 | } |
880 | ||
881 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
882 | { | |
883 | security_ops->task_to_inode(p, inode); | |
884 | } | |
885 | ||
886 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
887 | { | |
888 | return security_ops->ipc_permission(ipcp, flag); | |
889 | } | |
890 | ||
8a076191 AD |
891 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
892 | { | |
893 | security_ops->ipc_getsecid(ipcp, secid); | |
894 | } | |
895 | ||
20510f2f JM |
896 | int security_msg_msg_alloc(struct msg_msg *msg) |
897 | { | |
898 | return security_ops->msg_msg_alloc_security(msg); | |
899 | } | |
900 | ||
901 | void security_msg_msg_free(struct msg_msg *msg) | |
902 | { | |
903 | security_ops->msg_msg_free_security(msg); | |
904 | } | |
905 | ||
906 | int security_msg_queue_alloc(struct msg_queue *msq) | |
907 | { | |
908 | return security_ops->msg_queue_alloc_security(msq); | |
909 | } | |
910 | ||
911 | void security_msg_queue_free(struct msg_queue *msq) | |
912 | { | |
913 | security_ops->msg_queue_free_security(msq); | |
914 | } | |
915 | ||
916 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
917 | { | |
918 | return security_ops->msg_queue_associate(msq, msqflg); | |
919 | } | |
920 | ||
921 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
922 | { | |
923 | return security_ops->msg_queue_msgctl(msq, cmd); | |
924 | } | |
925 | ||
926 | int security_msg_queue_msgsnd(struct msg_queue *msq, | |
927 | struct msg_msg *msg, int msqflg) | |
928 | { | |
929 | return security_ops->msg_queue_msgsnd(msq, msg, msqflg); | |
930 | } | |
931 | ||
932 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
933 | struct task_struct *target, long type, int mode) | |
934 | { | |
935 | return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode); | |
936 | } | |
937 | ||
938 | int security_shm_alloc(struct shmid_kernel *shp) | |
939 | { | |
940 | return security_ops->shm_alloc_security(shp); | |
941 | } | |
942 | ||
943 | void security_shm_free(struct shmid_kernel *shp) | |
944 | { | |
945 | security_ops->shm_free_security(shp); | |
946 | } | |
947 | ||
948 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) | |
949 | { | |
950 | return security_ops->shm_associate(shp, shmflg); | |
951 | } | |
952 | ||
953 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
954 | { | |
955 | return security_ops->shm_shmctl(shp, cmd); | |
956 | } | |
957 | ||
958 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) | |
959 | { | |
960 | return security_ops->shm_shmat(shp, shmaddr, shmflg); | |
961 | } | |
962 | ||
963 | int security_sem_alloc(struct sem_array *sma) | |
964 | { | |
965 | return security_ops->sem_alloc_security(sma); | |
966 | } | |
967 | ||
968 | void security_sem_free(struct sem_array *sma) | |
969 | { | |
970 | security_ops->sem_free_security(sma); | |
971 | } | |
972 | ||
973 | int security_sem_associate(struct sem_array *sma, int semflg) | |
974 | { | |
975 | return security_ops->sem_associate(sma, semflg); | |
976 | } | |
977 | ||
978 | int security_sem_semctl(struct sem_array *sma, int cmd) | |
979 | { | |
980 | return security_ops->sem_semctl(sma, cmd); | |
981 | } | |
982 | ||
983 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
984 | unsigned nsops, int alter) | |
985 | { | |
986 | return security_ops->sem_semop(sma, sops, nsops, alter); | |
987 | } | |
988 | ||
989 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
990 | { | |
991 | if (unlikely(inode && IS_PRIVATE(inode))) | |
992 | return; | |
993 | security_ops->d_instantiate(dentry, inode); | |
994 | } | |
995 | EXPORT_SYMBOL(security_d_instantiate); | |
996 | ||
997 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
998 | { | |
999 | return security_ops->getprocattr(p, name, value); | |
1000 | } | |
1001 | ||
1002 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) | |
1003 | { | |
1004 | return security_ops->setprocattr(p, name, value, size); | |
1005 | } | |
1006 | ||
1007 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1008 | { | |
1009 | return security_ops->netlink_send(sk, skb); | |
1010 | } | |
20510f2f | 1011 | |
20510f2f JM |
1012 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1013 | { | |
1014 | return security_ops->secid_to_secctx(secid, secdata, seclen); | |
1015 | } | |
1016 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1017 | ||
7bf570dc | 1018 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 DH |
1019 | { |
1020 | return security_ops->secctx_to_secid(secdata, seclen, secid); | |
1021 | } | |
1022 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1023 | ||
20510f2f JM |
1024 | void security_release_secctx(char *secdata, u32 seclen) |
1025 | { | |
65fc7668 | 1026 | security_ops->release_secctx(secdata, seclen); |
20510f2f JM |
1027 | } |
1028 | EXPORT_SYMBOL(security_release_secctx); | |
1029 | ||
1ee65e37 DQ |
1030 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1031 | { | |
1032 | return security_ops->inode_notifysecctx(inode, ctx, ctxlen); | |
1033 | } | |
1034 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1035 | ||
1036 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1037 | { | |
1038 | return security_ops->inode_setsecctx(dentry, ctx, ctxlen); | |
1039 | } | |
1040 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1041 | ||
1042 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1043 | { | |
1044 | return security_ops->inode_getsecctx(inode, ctx, ctxlen); | |
1045 | } | |
1046 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1047 | ||
20510f2f JM |
1048 | #ifdef CONFIG_SECURITY_NETWORK |
1049 | ||
3610cda5 | 1050 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f JM |
1051 | { |
1052 | return security_ops->unix_stream_connect(sock, other, newsk); | |
1053 | } | |
1054 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1055 | ||
1056 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1057 | { | |
1058 | return security_ops->unix_may_send(sock, other); | |
1059 | } | |
1060 | EXPORT_SYMBOL(security_unix_may_send); | |
1061 | ||
1062 | int security_socket_create(int family, int type, int protocol, int kern) | |
1063 | { | |
1064 | return security_ops->socket_create(family, type, protocol, kern); | |
1065 | } | |
1066 | ||
1067 | int security_socket_post_create(struct socket *sock, int family, | |
1068 | int type, int protocol, int kern) | |
1069 | { | |
1070 | return security_ops->socket_post_create(sock, family, type, | |
1071 | protocol, kern); | |
1072 | } | |
1073 | ||
1074 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) | |
1075 | { | |
1076 | return security_ops->socket_bind(sock, address, addrlen); | |
1077 | } | |
1078 | ||
1079 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1080 | { | |
1081 | return security_ops->socket_connect(sock, address, addrlen); | |
1082 | } | |
1083 | ||
1084 | int security_socket_listen(struct socket *sock, int backlog) | |
1085 | { | |
1086 | return security_ops->socket_listen(sock, backlog); | |
1087 | } | |
1088 | ||
1089 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1090 | { | |
1091 | return security_ops->socket_accept(sock, newsock); | |
1092 | } | |
1093 | ||
20510f2f JM |
1094 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1095 | { | |
1096 | return security_ops->socket_sendmsg(sock, msg, size); | |
1097 | } | |
1098 | ||
1099 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1100 | int size, int flags) | |
1101 | { | |
1102 | return security_ops->socket_recvmsg(sock, msg, size, flags); | |
1103 | } | |
1104 | ||
1105 | int security_socket_getsockname(struct socket *sock) | |
1106 | { | |
1107 | return security_ops->socket_getsockname(sock); | |
1108 | } | |
1109 | ||
1110 | int security_socket_getpeername(struct socket *sock) | |
1111 | { | |
1112 | return security_ops->socket_getpeername(sock); | |
1113 | } | |
1114 | ||
1115 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1116 | { | |
1117 | return security_ops->socket_getsockopt(sock, level, optname); | |
1118 | } | |
1119 | ||
1120 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1121 | { | |
1122 | return security_ops->socket_setsockopt(sock, level, optname); | |
1123 | } | |
1124 | ||
1125 | int security_socket_shutdown(struct socket *sock, int how) | |
1126 | { | |
1127 | return security_ops->socket_shutdown(sock, how); | |
1128 | } | |
1129 | ||
1130 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1131 | { | |
1132 | return security_ops->socket_sock_rcv_skb(sk, skb); | |
1133 | } | |
1134 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1135 | ||
1136 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1137 | int __user *optlen, unsigned len) | |
1138 | { | |
1139 | return security_ops->socket_getpeersec_stream(sock, optval, optlen, len); | |
1140 | } | |
1141 | ||
1142 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1143 | { | |
1144 | return security_ops->socket_getpeersec_dgram(sock, skb, secid); | |
1145 | } | |
1146 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1147 | ||
1148 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1149 | { | |
1150 | return security_ops->sk_alloc_security(sk, family, priority); | |
1151 | } | |
1152 | ||
1153 | void security_sk_free(struct sock *sk) | |
1154 | { | |
65fc7668 | 1155 | security_ops->sk_free_security(sk); |
20510f2f JM |
1156 | } |
1157 | ||
1158 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1159 | { | |
65fc7668 | 1160 | security_ops->sk_clone_security(sk, newsk); |
20510f2f | 1161 | } |
6230c9b4 | 1162 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1163 | |
1164 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1165 | { | |
1d28f42c | 1166 | security_ops->sk_getsecid(sk, &fl->flowi_secid); |
20510f2f JM |
1167 | } |
1168 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1169 | ||
1170 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1171 | { | |
1172 | security_ops->req_classify_flow(req, fl); | |
1173 | } | |
1174 | EXPORT_SYMBOL(security_req_classify_flow); | |
1175 | ||
1176 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1177 | { | |
1178 | security_ops->sock_graft(sk, parent); | |
1179 | } | |
1180 | EXPORT_SYMBOL(security_sock_graft); | |
1181 | ||
1182 | int security_inet_conn_request(struct sock *sk, | |
1183 | struct sk_buff *skb, struct request_sock *req) | |
1184 | { | |
1185 | return security_ops->inet_conn_request(sk, skb, req); | |
1186 | } | |
1187 | EXPORT_SYMBOL(security_inet_conn_request); | |
1188 | ||
1189 | void security_inet_csk_clone(struct sock *newsk, | |
1190 | const struct request_sock *req) | |
1191 | { | |
1192 | security_ops->inet_csk_clone(newsk, req); | |
1193 | } | |
1194 | ||
1195 | void security_inet_conn_established(struct sock *sk, | |
1196 | struct sk_buff *skb) | |
1197 | { | |
1198 | security_ops->inet_conn_established(sk, skb); | |
1199 | } | |
1200 | ||
2606fd1f EP |
1201 | int security_secmark_relabel_packet(u32 secid) |
1202 | { | |
1203 | return security_ops->secmark_relabel_packet(secid); | |
1204 | } | |
1205 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1206 | ||
1207 | void security_secmark_refcount_inc(void) | |
1208 | { | |
1209 | security_ops->secmark_refcount_inc(); | |
1210 | } | |
1211 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1212 | ||
1213 | void security_secmark_refcount_dec(void) | |
1214 | { | |
1215 | security_ops->secmark_refcount_dec(); | |
1216 | } | |
1217 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1218 | ||
2b980dbd PM |
1219 | int security_tun_dev_create(void) |
1220 | { | |
1221 | return security_ops->tun_dev_create(); | |
1222 | } | |
1223 | EXPORT_SYMBOL(security_tun_dev_create); | |
1224 | ||
1225 | void security_tun_dev_post_create(struct sock *sk) | |
1226 | { | |
1227 | return security_ops->tun_dev_post_create(sk); | |
1228 | } | |
1229 | EXPORT_SYMBOL(security_tun_dev_post_create); | |
1230 | ||
1231 | int security_tun_dev_attach(struct sock *sk) | |
1232 | { | |
1233 | return security_ops->tun_dev_attach(sk); | |
1234 | } | |
1235 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1236 | ||
20510f2f JM |
1237 | #endif /* CONFIG_SECURITY_NETWORK */ |
1238 | ||
1239 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
1240 | ||
03e1ad7b | 1241 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx) |
20510f2f | 1242 | { |
03e1ad7b | 1243 | return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx); |
20510f2f JM |
1244 | } |
1245 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1246 | ||
03e1ad7b PM |
1247 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1248 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1249 | { |
03e1ad7b | 1250 | return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp); |
20510f2f JM |
1251 | } |
1252 | ||
03e1ad7b | 1253 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1254 | { |
03e1ad7b | 1255 | security_ops->xfrm_policy_free_security(ctx); |
20510f2f JM |
1256 | } |
1257 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1258 | ||
03e1ad7b | 1259 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1260 | { |
03e1ad7b | 1261 | return security_ops->xfrm_policy_delete_security(ctx); |
20510f2f JM |
1262 | } |
1263 | ||
1264 | int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx) | |
1265 | { | |
1266 | return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0); | |
1267 | } | |
1268 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1269 | ||
1270 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1271 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1272 | { | |
1273 | if (!polsec) | |
1274 | return 0; | |
1275 | /* | |
1276 | * We want the context to be taken from secid which is usually | |
1277 | * from the sock. | |
1278 | */ | |
1279 | return security_ops->xfrm_state_alloc_security(x, NULL, secid); | |
1280 | } | |
1281 | ||
1282 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1283 | { | |
1284 | return security_ops->xfrm_state_delete_security(x); | |
1285 | } | |
1286 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1287 | ||
1288 | void security_xfrm_state_free(struct xfrm_state *x) | |
1289 | { | |
1290 | security_ops->xfrm_state_free_security(x); | |
1291 | } | |
1292 | ||
03e1ad7b | 1293 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1294 | { |
03e1ad7b | 1295 | return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir); |
20510f2f JM |
1296 | } |
1297 | ||
1298 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1299 | struct xfrm_policy *xp, |
1300 | const struct flowi *fl) | |
20510f2f JM |
1301 | { |
1302 | return security_ops->xfrm_state_pol_flow_match(x, xp, fl); | |
1303 | } | |
1304 | ||
1305 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1306 | { | |
1307 | return security_ops->xfrm_decode_session(skb, secid, 1); | |
1308 | } | |
1309 | ||
1310 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1311 | { | |
1d28f42c | 1312 | int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0); |
20510f2f JM |
1313 | |
1314 | BUG_ON(rc); | |
1315 | } | |
1316 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1317 | ||
1318 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1319 | ||
1320 | #ifdef CONFIG_KEYS | |
1321 | ||
d84f4f99 DH |
1322 | int security_key_alloc(struct key *key, const struct cred *cred, |
1323 | unsigned long flags) | |
20510f2f | 1324 | { |
d84f4f99 | 1325 | return security_ops->key_alloc(key, cred, flags); |
20510f2f JM |
1326 | } |
1327 | ||
1328 | void security_key_free(struct key *key) | |
1329 | { | |
1330 | security_ops->key_free(key); | |
1331 | } | |
1332 | ||
1333 | int security_key_permission(key_ref_t key_ref, | |
d84f4f99 | 1334 | const struct cred *cred, key_perm_t perm) |
20510f2f | 1335 | { |
d84f4f99 | 1336 | return security_ops->key_permission(key_ref, cred, perm); |
20510f2f JM |
1337 | } |
1338 | ||
70a5bb72 DH |
1339 | int security_key_getsecurity(struct key *key, char **_buffer) |
1340 | { | |
1341 | return security_ops->key_getsecurity(key, _buffer); | |
1342 | } | |
1343 | ||
20510f2f | 1344 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1345 | |
1346 | #ifdef CONFIG_AUDIT | |
1347 | ||
1348 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1349 | { | |
1350 | return security_ops->audit_rule_init(field, op, rulestr, lsmrule); | |
1351 | } | |
1352 | ||
1353 | int security_audit_rule_known(struct audit_krule *krule) | |
1354 | { | |
1355 | return security_ops->audit_rule_known(krule); | |
1356 | } | |
1357 | ||
1358 | void security_audit_rule_free(void *lsmrule) | |
1359 | { | |
1360 | security_ops->audit_rule_free(lsmrule); | |
1361 | } | |
1362 | ||
1363 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1364 | struct audit_context *actx) | |
1365 | { | |
1366 | return security_ops->audit_rule_match(secid, field, op, lsmrule, actx); | |
1367 | } | |
1368 | ||
1369 | #endif /* CONFIG_AUDIT */ |