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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 | 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> | |
659b5e76 | 26 | #include <linux/backing-dev.h> |
40401530 | 27 | #include <net/flow.h> |
1da177e4 | 28 | |
823eb1cc | 29 | #define MAX_LSM_EVM_XATTR 2 |
1da177e4 | 30 | |
076c54c5 | 31 | /* Boot-time LSM user choice */ |
6e65f92f JJ |
32 | static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = |
33 | CONFIG_DEFAULT_SECURITY; | |
1da177e4 | 34 | |
189b3b1c | 35 | static struct security_operations *security_ops; |
36 | static struct security_operations default_security_ops = { | |
37 | .name = "default", | |
38 | }; | |
a5ecbcb8 | 39 | |
c80901f2 | 40 | static inline int __init verify(struct security_operations *ops) |
1da177e4 LT |
41 | { |
42 | /* verify the security_operations structure exists */ | |
43 | if (!ops) | |
44 | return -EINVAL; | |
45 | security_fixup_ops(ops); | |
46 | return 0; | |
47 | } | |
48 | ||
49 | static void __init do_security_initcalls(void) | |
50 | { | |
51 | initcall_t *call; | |
52 | call = __security_initcall_start; | |
53 | while (call < __security_initcall_end) { | |
54 | (*call) (); | |
55 | call++; | |
56 | } | |
57 | } | |
58 | ||
59 | /** | |
60 | * security_init - initializes the security framework | |
61 | * | |
62 | * This should be called early in the kernel initialization sequence. | |
63 | */ | |
64 | int __init security_init(void) | |
65 | { | |
20510f2f | 66 | printk(KERN_INFO "Security Framework initialized\n"); |
1da177e4 | 67 | |
5915eb53 MS |
68 | security_fixup_ops(&default_security_ops); |
69 | security_ops = &default_security_ops; | |
1da177e4 LT |
70 | do_security_initcalls(); |
71 | ||
72 | return 0; | |
73 | } | |
74 | ||
189b3b1c | 75 | void reset_security_ops(void) |
76 | { | |
77 | security_ops = &default_security_ops; | |
78 | } | |
79 | ||
076c54c5 AD |
80 | /* Save user chosen LSM */ |
81 | static int __init choose_lsm(char *str) | |
82 | { | |
83 | strncpy(chosen_lsm, str, SECURITY_NAME_MAX); | |
84 | return 1; | |
85 | } | |
86 | __setup("security=", choose_lsm); | |
87 | ||
88 | /** | |
89 | * security_module_enable - Load given security module on boot ? | |
90 | * @ops: a pointer to the struct security_operations that is to be checked. | |
91 | * | |
92 | * Each LSM must pass this method before registering its own operations | |
93 | * to avoid security registration races. This method may also be used | |
7cea51be | 94 | * to check if your LSM is currently loaded during kernel initialization. |
076c54c5 AD |
95 | * |
96 | * Return true if: | |
97 | * -The passed LSM is the one chosen by user at boot time, | |
6e65f92f | 98 | * -or the passed LSM is configured as the default and the user did not |
065d78a0 | 99 | * choose an alternate LSM at boot time. |
076c54c5 AD |
100 | * Otherwise, return false. |
101 | */ | |
102 | int __init security_module_enable(struct security_operations *ops) | |
103 | { | |
065d78a0 | 104 | return !strcmp(ops->name, chosen_lsm); |
076c54c5 AD |
105 | } |
106 | ||
1da177e4 LT |
107 | /** |
108 | * register_security - registers a security framework with the kernel | |
109 | * @ops: a pointer to the struct security_options that is to be registered | |
110 | * | |
3f23d815 | 111 | * This function allows a security module to register itself with the |
1da177e4 | 112 | * kernel security subsystem. Some rudimentary checking is done on the @ops |
076c54c5 AD |
113 | * value passed to this function. You'll need to check first if your LSM |
114 | * is allowed to register its @ops by calling security_module_enable(@ops). | |
1da177e4 LT |
115 | * |
116 | * If there is already a security module registered with the kernel, | |
3f23d815 | 117 | * an error will be returned. Otherwise %0 is returned on success. |
1da177e4 | 118 | */ |
c1e992b9 | 119 | int __init register_security(struct security_operations *ops) |
1da177e4 LT |
120 | { |
121 | if (verify(ops)) { | |
122 | printk(KERN_DEBUG "%s could not verify " | |
dd6f953a | 123 | "security_operations structure.\n", __func__); |
1da177e4 LT |
124 | return -EINVAL; |
125 | } | |
126 | ||
5915eb53 | 127 | if (security_ops != &default_security_ops) |
1da177e4 LT |
128 | return -EAGAIN; |
129 | ||
130 | security_ops = ops; | |
131 | ||
132 | return 0; | |
133 | } | |
134 | ||
20510f2f JM |
135 | /* Security operations */ |
136 | ||
9e48858f | 137 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 138 | { |
c6993e4a KC |
139 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
140 | int rc; | |
141 | rc = yama_ptrace_access_check(child, mode); | |
142 | if (rc) | |
143 | return rc; | |
144 | #endif | |
9e48858f | 145 | return security_ops->ptrace_access_check(child, mode); |
5cd9c58f DH |
146 | } |
147 | ||
148 | int security_ptrace_traceme(struct task_struct *parent) | |
149 | { | |
c6993e4a KC |
150 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
151 | int rc; | |
152 | rc = yama_ptrace_traceme(parent); | |
153 | if (rc) | |
154 | return rc; | |
155 | #endif | |
5cd9c58f | 156 | return security_ops->ptrace_traceme(parent); |
20510f2f JM |
157 | } |
158 | ||
159 | int security_capget(struct task_struct *target, | |
160 | kernel_cap_t *effective, | |
161 | kernel_cap_t *inheritable, | |
162 | kernel_cap_t *permitted) | |
163 | { | |
164 | return security_ops->capget(target, effective, inheritable, permitted); | |
165 | } | |
166 | ||
d84f4f99 DH |
167 | int security_capset(struct cred *new, const struct cred *old, |
168 | const kernel_cap_t *effective, | |
169 | const kernel_cap_t *inheritable, | |
170 | const kernel_cap_t *permitted) | |
20510f2f | 171 | { |
d84f4f99 DH |
172 | return security_ops->capset(new, old, |
173 | effective, inheritable, permitted); | |
20510f2f JM |
174 | } |
175 | ||
b7e724d3 | 176 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 177 | int cap) |
20510f2f | 178 | { |
6a9de491 | 179 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
180 | } |
181 | ||
c7eba4a9 EP |
182 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
183 | int cap) | |
06112163 | 184 | { |
c7eba4a9 | 185 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
186 | } |
187 | ||
20510f2f JM |
188 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
189 | { | |
190 | return security_ops->quotactl(cmds, type, id, sb); | |
191 | } | |
192 | ||
193 | int security_quota_on(struct dentry *dentry) | |
194 | { | |
195 | return security_ops->quota_on(dentry); | |
196 | } | |
197 | ||
12b3052c | 198 | int security_syslog(int type) |
20510f2f | 199 | { |
12b3052c | 200 | return security_ops->syslog(type); |
20510f2f JM |
201 | } |
202 | ||
1e6d7679 | 203 | int security_settime(const struct timespec *ts, const struct timezone *tz) |
20510f2f JM |
204 | { |
205 | return security_ops->settime(ts, tz); | |
206 | } | |
207 | ||
20510f2f JM |
208 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
209 | { | |
210 | return security_ops->vm_enough_memory(mm, pages); | |
211 | } | |
212 | ||
a6f76f23 | 213 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 214 | { |
a6f76f23 | 215 | return security_ops->bprm_set_creds(bprm); |
20510f2f JM |
216 | } |
217 | ||
a6f76f23 | 218 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 219 | { |
6c21a7fb MZ |
220 | int ret; |
221 | ||
222 | ret = security_ops->bprm_check_security(bprm); | |
223 | if (ret) | |
224 | return ret; | |
225 | return ima_bprm_check(bprm); | |
20510f2f JM |
226 | } |
227 | ||
a6f76f23 | 228 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 229 | { |
200036ca | 230 | security_ops->bprm_committing_creds(bprm); |
20510f2f JM |
231 | } |
232 | ||
a6f76f23 | 233 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 234 | { |
200036ca | 235 | security_ops->bprm_committed_creds(bprm); |
20510f2f JM |
236 | } |
237 | ||
238 | int security_bprm_secureexec(struct linux_binprm *bprm) | |
239 | { | |
240 | return security_ops->bprm_secureexec(bprm); | |
241 | } | |
242 | ||
243 | int security_sb_alloc(struct super_block *sb) | |
244 | { | |
245 | return security_ops->sb_alloc_security(sb); | |
246 | } | |
247 | ||
248 | void security_sb_free(struct super_block *sb) | |
249 | { | |
250 | security_ops->sb_free_security(sb); | |
251 | } | |
252 | ||
e0007529 | 253 | int security_sb_copy_data(char *orig, char *copy) |
20510f2f | 254 | { |
e0007529 | 255 | return security_ops->sb_copy_data(orig, copy); |
20510f2f | 256 | } |
e0007529 | 257 | EXPORT_SYMBOL(security_sb_copy_data); |
20510f2f | 258 | |
ff36fe2c EP |
259 | int security_sb_remount(struct super_block *sb, void *data) |
260 | { | |
261 | return security_ops->sb_remount(sb, data); | |
262 | } | |
263 | ||
12204e24 | 264 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
20510f2f | 265 | { |
12204e24 | 266 | return security_ops->sb_kern_mount(sb, flags, data); |
20510f2f JM |
267 | } |
268 | ||
2069f457 EP |
269 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
270 | { | |
271 | return security_ops->sb_show_options(m, sb); | |
272 | } | |
273 | ||
20510f2f JM |
274 | int security_sb_statfs(struct dentry *dentry) |
275 | { | |
276 | return security_ops->sb_statfs(dentry); | |
277 | } | |
278 | ||
b5266eb4 | 279 | int security_sb_mount(char *dev_name, struct path *path, |
20510f2f JM |
280 | char *type, unsigned long flags, void *data) |
281 | { | |
b5266eb4 | 282 | return security_ops->sb_mount(dev_name, path, type, flags, data); |
20510f2f JM |
283 | } |
284 | ||
20510f2f JM |
285 | int security_sb_umount(struct vfsmount *mnt, int flags) |
286 | { | |
287 | return security_ops->sb_umount(mnt, flags); | |
288 | } | |
289 | ||
b5266eb4 | 290 | int security_sb_pivotroot(struct path *old_path, struct path *new_path) |
20510f2f | 291 | { |
b5266eb4 | 292 | return security_ops->sb_pivotroot(old_path, new_path); |
20510f2f JM |
293 | } |
294 | ||
c9180a57 | 295 | int security_sb_set_mnt_opts(struct super_block *sb, |
e0007529 | 296 | struct security_mnt_opts *opts) |
c9180a57 | 297 | { |
e0007529 | 298 | return security_ops->sb_set_mnt_opts(sb, opts); |
c9180a57 | 299 | } |
e0007529 | 300 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 EP |
301 | |
302 | void security_sb_clone_mnt_opts(const struct super_block *oldsb, | |
303 | struct super_block *newsb) | |
304 | { | |
305 | security_ops->sb_clone_mnt_opts(oldsb, newsb); | |
306 | } | |
e0007529 EP |
307 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
308 | ||
309 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
310 | { | |
311 | return security_ops->sb_parse_opts_str(options, opts); | |
312 | } | |
313 | EXPORT_SYMBOL(security_sb_parse_opts_str); | |
c9180a57 | 314 | |
20510f2f JM |
315 | int security_inode_alloc(struct inode *inode) |
316 | { | |
317 | inode->i_security = NULL; | |
bc7d2a3e | 318 | return security_ops->inode_alloc_security(inode); |
20510f2f JM |
319 | } |
320 | ||
321 | void security_inode_free(struct inode *inode) | |
322 | { | |
f381c272 | 323 | integrity_inode_free(inode); |
20510f2f JM |
324 | security_ops->inode_free_security(inode); |
325 | } | |
326 | ||
327 | int security_inode_init_security(struct inode *inode, struct inode *dir, | |
9d8f13ba MZ |
328 | const struct qstr *qstr, |
329 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 330 | { |
823eb1cc MZ |
331 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
332 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
333 | int ret; |
334 | ||
20510f2f | 335 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 336 | return 0; |
9d8f13ba MZ |
337 | |
338 | memset(new_xattrs, 0, sizeof new_xattrs); | |
339 | if (!initxattrs) | |
340 | return security_ops->inode_init_security(inode, dir, qstr, | |
341 | NULL, NULL, NULL); | |
342 | lsm_xattr = new_xattrs; | |
343 | ret = security_ops->inode_init_security(inode, dir, qstr, | |
344 | &lsm_xattr->name, | |
345 | &lsm_xattr->value, | |
346 | &lsm_xattr->value_len); | |
347 | if (ret) | |
348 | goto out; | |
823eb1cc MZ |
349 | |
350 | evm_xattr = lsm_xattr + 1; | |
351 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
352 | if (ret) | |
353 | goto out; | |
9d8f13ba MZ |
354 | ret = initxattrs(inode, new_xattrs, fs_data); |
355 | out: | |
823eb1cc MZ |
356 | for (xattr = new_xattrs; xattr->name != NULL; xattr++) { |
357 | kfree(xattr->name); | |
358 | kfree(xattr->value); | |
359 | } | |
9d8f13ba MZ |
360 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
361 | } | |
362 | EXPORT_SYMBOL(security_inode_init_security); | |
363 | ||
364 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
365 | const struct qstr *qstr, char **name, | |
366 | void **value, size_t *len) | |
20510f2f JM |
367 | { |
368 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 369 | return -EOPNOTSUPP; |
2a7dba39 EP |
370 | return security_ops->inode_init_security(inode, dir, qstr, name, value, |
371 | len); | |
20510f2f | 372 | } |
9d8f13ba | 373 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 374 | |
be6d3e56 | 375 | #ifdef CONFIG_SECURITY_PATH |
04fc66e7 | 376 | int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
377 | unsigned int dev) |
378 | { | |
5d0901a3 | 379 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 380 | return 0; |
5d0901a3 | 381 | return security_ops->path_mknod(dir, dentry, mode, dev); |
be6d3e56 KT |
382 | } |
383 | EXPORT_SYMBOL(security_path_mknod); | |
384 | ||
4572befe | 385 | int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 386 | { |
5d0901a3 | 387 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 388 | return 0; |
5d0901a3 | 389 | return security_ops->path_mkdir(dir, dentry, mode); |
be6d3e56 | 390 | } |
82140443 | 391 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 392 | |
5d0901a3 | 393 | int security_path_rmdir(struct path *dir, struct dentry *dentry) |
be6d3e56 | 394 | { |
5d0901a3 | 395 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 396 | return 0; |
5d0901a3 | 397 | return security_ops->path_rmdir(dir, dentry); |
be6d3e56 KT |
398 | } |
399 | ||
5d0901a3 | 400 | int security_path_unlink(struct path *dir, struct dentry *dentry) |
be6d3e56 | 401 | { |
5d0901a3 | 402 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 403 | return 0; |
5d0901a3 | 404 | return security_ops->path_unlink(dir, dentry); |
be6d3e56 | 405 | } |
82140443 | 406 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 407 | |
5d0901a3 | 408 | int security_path_symlink(struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
409 | const char *old_name) |
410 | { | |
5d0901a3 | 411 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 412 | return 0; |
5d0901a3 | 413 | return security_ops->path_symlink(dir, dentry, old_name); |
be6d3e56 KT |
414 | } |
415 | ||
416 | int security_path_link(struct dentry *old_dentry, struct path *new_dir, | |
417 | struct dentry *new_dentry) | |
418 | { | |
419 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) | |
420 | return 0; | |
421 | return security_ops->path_link(old_dentry, new_dir, new_dentry); | |
422 | } | |
423 | ||
424 | int security_path_rename(struct path *old_dir, struct dentry *old_dentry, | |
425 | struct path *new_dir, struct dentry *new_dentry) | |
426 | { | |
427 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || | |
428 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) | |
429 | return 0; | |
430 | return security_ops->path_rename(old_dir, old_dentry, new_dir, | |
431 | new_dentry); | |
432 | } | |
82140443 | 433 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 434 | |
ea0d3ab2 | 435 | int security_path_truncate(struct path *path) |
be6d3e56 KT |
436 | { |
437 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) | |
438 | return 0; | |
ea0d3ab2 | 439 | return security_ops->path_truncate(path); |
be6d3e56 | 440 | } |
89eda068 | 441 | |
cdcf116d | 442 | int security_path_chmod(struct path *path, umode_t mode) |
89eda068 | 443 | { |
cdcf116d | 444 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
89eda068 | 445 | return 0; |
cdcf116d | 446 | return security_ops->path_chmod(path, mode); |
89eda068 TH |
447 | } |
448 | ||
449 | int security_path_chown(struct path *path, uid_t uid, gid_t gid) | |
450 | { | |
451 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) | |
452 | return 0; | |
453 | return security_ops->path_chown(path, uid, gid); | |
454 | } | |
8b8efb44 TH |
455 | |
456 | int security_path_chroot(struct path *path) | |
457 | { | |
458 | return security_ops->path_chroot(path); | |
459 | } | |
be6d3e56 KT |
460 | #endif |
461 | ||
4acdaf27 | 462 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
463 | { |
464 | if (unlikely(IS_PRIVATE(dir))) | |
465 | return 0; | |
466 | return security_ops->inode_create(dir, dentry, mode); | |
467 | } | |
800a9647 | 468 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
469 | |
470 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
471 | struct dentry *new_dentry) | |
472 | { | |
473 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) | |
474 | return 0; | |
475 | return security_ops->inode_link(old_dentry, dir, new_dentry); | |
476 | } | |
477 | ||
478 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
479 | { | |
480 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
481 | return 0; | |
482 | return security_ops->inode_unlink(dir, dentry); | |
483 | } | |
484 | ||
485 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
486 | const char *old_name) | |
487 | { | |
488 | if (unlikely(IS_PRIVATE(dir))) | |
489 | return 0; | |
490 | return security_ops->inode_symlink(dir, dentry, old_name); | |
491 | } | |
492 | ||
18bb1db3 | 493 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
494 | { |
495 | if (unlikely(IS_PRIVATE(dir))) | |
496 | return 0; | |
497 | return security_ops->inode_mkdir(dir, dentry, mode); | |
498 | } | |
800a9647 | 499 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
500 | |
501 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
502 | { | |
503 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
504 | return 0; | |
505 | return security_ops->inode_rmdir(dir, dentry); | |
506 | } | |
507 | ||
1a67aafb | 508 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
509 | { |
510 | if (unlikely(IS_PRIVATE(dir))) | |
511 | return 0; | |
512 | return security_ops->inode_mknod(dir, dentry, mode, dev); | |
513 | } | |
514 | ||
515 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
516 | struct inode *new_dir, struct dentry *new_dentry) | |
517 | { | |
518 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || | |
519 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) | |
520 | return 0; | |
521 | return security_ops->inode_rename(old_dir, old_dentry, | |
522 | new_dir, new_dentry); | |
523 | } | |
524 | ||
525 | int security_inode_readlink(struct dentry *dentry) | |
526 | { | |
527 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
528 | return 0; | |
529 | return security_ops->inode_readlink(dentry); | |
530 | } | |
531 | ||
532 | int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd) | |
533 | { | |
534 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
535 | return 0; | |
536 | return security_ops->inode_follow_link(dentry, nd); | |
537 | } | |
538 | ||
b77b0646 | 539 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
540 | { |
541 | if (unlikely(IS_PRIVATE(inode))) | |
542 | return 0; | |
e74f71eb | 543 | return security_ops->inode_permission(inode, mask); |
20510f2f JM |
544 | } |
545 | ||
546 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
547 | { | |
817b54aa MZ |
548 | int ret; |
549 | ||
20510f2f JM |
550 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
551 | return 0; | |
817b54aa MZ |
552 | ret = security_ops->inode_setattr(dentry, attr); |
553 | if (ret) | |
554 | return ret; | |
555 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 556 | } |
b1da47e2 | 557 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f JM |
558 | |
559 | int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) | |
560 | { | |
561 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
562 | return 0; | |
563 | return security_ops->inode_getattr(mnt, dentry); | |
564 | } | |
565 | ||
8f0cfa52 DH |
566 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
567 | const void *value, size_t size, int flags) | |
20510f2f | 568 | { |
3e1be52d MZ |
569 | int ret; |
570 | ||
20510f2f JM |
571 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
572 | return 0; | |
3e1be52d MZ |
573 | ret = security_ops->inode_setxattr(dentry, name, value, size, flags); |
574 | if (ret) | |
575 | return ret; | |
576 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
577 | } |
578 | ||
8f0cfa52 DH |
579 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
580 | const void *value, size_t size, int flags) | |
20510f2f JM |
581 | { |
582 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
583 | return; | |
584 | security_ops->inode_post_setxattr(dentry, name, value, size, flags); | |
3e1be52d | 585 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
586 | } |
587 | ||
8f0cfa52 | 588 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f JM |
589 | { |
590 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
591 | return 0; | |
592 | return security_ops->inode_getxattr(dentry, name); | |
593 | } | |
594 | ||
595 | int security_inode_listxattr(struct dentry *dentry) | |
596 | { | |
597 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
598 | return 0; | |
599 | return security_ops->inode_listxattr(dentry); | |
600 | } | |
601 | ||
8f0cfa52 | 602 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 603 | { |
3e1be52d MZ |
604 | int ret; |
605 | ||
20510f2f JM |
606 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
607 | return 0; | |
3e1be52d MZ |
608 | ret = security_ops->inode_removexattr(dentry, name); |
609 | if (ret) | |
610 | return ret; | |
611 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
612 | } |
613 | ||
b5376771 SH |
614 | int security_inode_need_killpriv(struct dentry *dentry) |
615 | { | |
616 | return security_ops->inode_need_killpriv(dentry); | |
617 | } | |
618 | ||
619 | int security_inode_killpriv(struct dentry *dentry) | |
620 | { | |
621 | return security_ops->inode_killpriv(dentry); | |
622 | } | |
623 | ||
42492594 | 624 | int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f JM |
625 | { |
626 | if (unlikely(IS_PRIVATE(inode))) | |
8d952504 | 627 | return -EOPNOTSUPP; |
42492594 | 628 | return security_ops->inode_getsecurity(inode, name, buffer, alloc); |
20510f2f JM |
629 | } |
630 | ||
631 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
632 | { | |
633 | if (unlikely(IS_PRIVATE(inode))) | |
8d952504 | 634 | return -EOPNOTSUPP; |
20510f2f JM |
635 | return security_ops->inode_setsecurity(inode, name, value, size, flags); |
636 | } | |
637 | ||
638 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
639 | { | |
640 | if (unlikely(IS_PRIVATE(inode))) | |
641 | return 0; | |
642 | return security_ops->inode_listsecurity(inode, buffer, buffer_size); | |
643 | } | |
644 | ||
8a076191 AD |
645 | void security_inode_getsecid(const struct inode *inode, u32 *secid) |
646 | { | |
647 | security_ops->inode_getsecid(inode, secid); | |
648 | } | |
649 | ||
20510f2f JM |
650 | int security_file_permission(struct file *file, int mask) |
651 | { | |
c4ec54b4 EP |
652 | int ret; |
653 | ||
654 | ret = security_ops->file_permission(file, mask); | |
655 | if (ret) | |
656 | return ret; | |
657 | ||
658 | return fsnotify_perm(file, mask); | |
20510f2f JM |
659 | } |
660 | ||
661 | int security_file_alloc(struct file *file) | |
662 | { | |
663 | return security_ops->file_alloc_security(file); | |
664 | } | |
665 | ||
666 | void security_file_free(struct file *file) | |
667 | { | |
668 | security_ops->file_free_security(file); | |
669 | } | |
670 | ||
671 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
672 | { | |
673 | return security_ops->file_ioctl(file, cmd, arg); | |
674 | } | |
675 | ||
98de59bf | 676 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 677 | { |
8b3ec681 | 678 | /* |
98de59bf AV |
679 | * Does we have PROT_READ and does the application expect |
680 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 681 | */ |
98de59bf AV |
682 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
683 | return prot; | |
8b3ec681 | 684 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
685 | return prot; |
686 | /* | |
687 | * if that's an anonymous mapping, let it. | |
688 | */ | |
689 | if (!file) | |
690 | return prot | PROT_EXEC; | |
691 | /* | |
692 | * ditto if it's not on noexec mount, except that on !MMU we need | |
693 | * BDI_CAP_EXEC_MMAP (== VM_MAYEXEC) in this case | |
694 | */ | |
695 | if (!(file->f_path.mnt->mnt_flags & MNT_NOEXEC)) { | |
8b3ec681 AV |
696 | #ifndef CONFIG_MMU |
697 | unsigned long caps = 0; | |
698 | struct address_space *mapping = file->f_mapping; | |
699 | if (mapping && mapping->backing_dev_info) | |
700 | caps = mapping->backing_dev_info->capabilities; | |
701 | if (!(caps & BDI_CAP_EXEC_MAP)) | |
98de59bf | 702 | return prot; |
8b3ec681 | 703 | #endif |
98de59bf | 704 | return prot | PROT_EXEC; |
8b3ec681 | 705 | } |
98de59bf AV |
706 | /* anything on noexec mount won't get PROT_EXEC */ |
707 | return prot; | |
708 | } | |
709 | ||
710 | int security_mmap_file(struct file *file, unsigned long prot, | |
711 | unsigned long flags) | |
712 | { | |
713 | int ret; | |
714 | ret = security_ops->mmap_file(file, prot, | |
715 | mmap_prot(file, prot), flags); | |
6c21a7fb MZ |
716 | if (ret) |
717 | return ret; | |
718 | return ima_file_mmap(file, prot); | |
20510f2f JM |
719 | } |
720 | ||
e5467859 AV |
721 | int security_mmap_addr(unsigned long addr) |
722 | { | |
723 | return security_ops->mmap_addr(addr); | |
724 | } | |
725 | ||
20510f2f JM |
726 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
727 | unsigned long prot) | |
728 | { | |
729 | return security_ops->file_mprotect(vma, reqprot, prot); | |
730 | } | |
731 | ||
732 | int security_file_lock(struct file *file, unsigned int cmd) | |
733 | { | |
734 | return security_ops->file_lock(file, cmd); | |
735 | } | |
736 | ||
737 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
738 | { | |
739 | return security_ops->file_fcntl(file, cmd, arg); | |
740 | } | |
741 | ||
742 | int security_file_set_fowner(struct file *file) | |
743 | { | |
744 | return security_ops->file_set_fowner(file); | |
745 | } | |
746 | ||
747 | int security_file_send_sigiotask(struct task_struct *tsk, | |
748 | struct fown_struct *fown, int sig) | |
749 | { | |
750 | return security_ops->file_send_sigiotask(tsk, fown, sig); | |
751 | } | |
752 | ||
753 | int security_file_receive(struct file *file) | |
754 | { | |
755 | return security_ops->file_receive(file); | |
756 | } | |
757 | ||
83d49856 | 758 | int security_file_open(struct file *file, const struct cred *cred) |
20510f2f | 759 | { |
c4ec54b4 EP |
760 | int ret; |
761 | ||
83d49856 | 762 | ret = security_ops->file_open(file, cred); |
c4ec54b4 EP |
763 | if (ret) |
764 | return ret; | |
765 | ||
766 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
767 | } |
768 | ||
769 | int security_task_create(unsigned long clone_flags) | |
770 | { | |
771 | return security_ops->task_create(clone_flags); | |
772 | } | |
773 | ||
1a2a4d06 KC |
774 | void security_task_free(struct task_struct *task) |
775 | { | |
c6993e4a KC |
776 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
777 | yama_task_free(task); | |
778 | #endif | |
1a2a4d06 KC |
779 | security_ops->task_free(task); |
780 | } | |
781 | ||
ee18d64c DH |
782 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
783 | { | |
784 | return security_ops->cred_alloc_blank(cred, gfp); | |
785 | } | |
786 | ||
d84f4f99 | 787 | void security_cred_free(struct cred *cred) |
20510f2f | 788 | { |
d84f4f99 | 789 | security_ops->cred_free(cred); |
20510f2f JM |
790 | } |
791 | ||
d84f4f99 | 792 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 793 | { |
d84f4f99 DH |
794 | return security_ops->cred_prepare(new, old, gfp); |
795 | } | |
796 | ||
ee18d64c DH |
797 | void security_transfer_creds(struct cred *new, const struct cred *old) |
798 | { | |
799 | security_ops->cred_transfer(new, old); | |
800 | } | |
801 | ||
3a3b7ce9 DH |
802 | int security_kernel_act_as(struct cred *new, u32 secid) |
803 | { | |
804 | return security_ops->kernel_act_as(new, secid); | |
805 | } | |
806 | ||
807 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
808 | { | |
809 | return security_ops->kernel_create_files_as(new, inode); | |
810 | } | |
811 | ||
dd8dbf2e | 812 | int security_kernel_module_request(char *kmod_name) |
9188499c | 813 | { |
dd8dbf2e | 814 | return security_ops->kernel_module_request(kmod_name); |
9188499c EP |
815 | } |
816 | ||
d84f4f99 DH |
817 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
818 | int flags) | |
20510f2f | 819 | { |
d84f4f99 | 820 | return security_ops->task_fix_setuid(new, old, flags); |
20510f2f JM |
821 | } |
822 | ||
20510f2f JM |
823 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
824 | { | |
825 | return security_ops->task_setpgid(p, pgid); | |
826 | } | |
827 | ||
828 | int security_task_getpgid(struct task_struct *p) | |
829 | { | |
830 | return security_ops->task_getpgid(p); | |
831 | } | |
832 | ||
833 | int security_task_getsid(struct task_struct *p) | |
834 | { | |
835 | return security_ops->task_getsid(p); | |
836 | } | |
837 | ||
838 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
839 | { | |
840 | security_ops->task_getsecid(p, secid); | |
841 | } | |
842 | EXPORT_SYMBOL(security_task_getsecid); | |
843 | ||
20510f2f JM |
844 | int security_task_setnice(struct task_struct *p, int nice) |
845 | { | |
846 | return security_ops->task_setnice(p, nice); | |
847 | } | |
848 | ||
849 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
850 | { | |
851 | return security_ops->task_setioprio(p, ioprio); | |
852 | } | |
853 | ||
854 | int security_task_getioprio(struct task_struct *p) | |
855 | { | |
856 | return security_ops->task_getioprio(p); | |
857 | } | |
858 | ||
8fd00b4d JS |
859 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
860 | struct rlimit *new_rlim) | |
20510f2f | 861 | { |
8fd00b4d | 862 | return security_ops->task_setrlimit(p, resource, new_rlim); |
20510f2f JM |
863 | } |
864 | ||
b0ae1981 | 865 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 866 | { |
b0ae1981 | 867 | return security_ops->task_setscheduler(p); |
20510f2f JM |
868 | } |
869 | ||
870 | int security_task_getscheduler(struct task_struct *p) | |
871 | { | |
872 | return security_ops->task_getscheduler(p); | |
873 | } | |
874 | ||
875 | int security_task_movememory(struct task_struct *p) | |
876 | { | |
877 | return security_ops->task_movememory(p); | |
878 | } | |
879 | ||
880 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
881 | int sig, u32 secid) | |
882 | { | |
883 | return security_ops->task_kill(p, info, sig, secid); | |
884 | } | |
885 | ||
886 | int security_task_wait(struct task_struct *p) | |
887 | { | |
888 | return security_ops->task_wait(p); | |
889 | } | |
890 | ||
891 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, | |
d84f4f99 | 892 | unsigned long arg4, unsigned long arg5) |
20510f2f | 893 | { |
c6993e4a KC |
894 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
895 | int rc; | |
896 | rc = yama_task_prctl(option, arg2, arg3, arg4, arg5); | |
897 | if (rc != -ENOSYS) | |
898 | return rc; | |
899 | #endif | |
d84f4f99 | 900 | return security_ops->task_prctl(option, arg2, arg3, arg4, arg5); |
20510f2f JM |
901 | } |
902 | ||
903 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
904 | { | |
905 | security_ops->task_to_inode(p, inode); | |
906 | } | |
907 | ||
908 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
909 | { | |
910 | return security_ops->ipc_permission(ipcp, flag); | |
911 | } | |
912 | ||
8a076191 AD |
913 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
914 | { | |
915 | security_ops->ipc_getsecid(ipcp, secid); | |
916 | } | |
917 | ||
20510f2f JM |
918 | int security_msg_msg_alloc(struct msg_msg *msg) |
919 | { | |
920 | return security_ops->msg_msg_alloc_security(msg); | |
921 | } | |
922 | ||
923 | void security_msg_msg_free(struct msg_msg *msg) | |
924 | { | |
925 | security_ops->msg_msg_free_security(msg); | |
926 | } | |
927 | ||
928 | int security_msg_queue_alloc(struct msg_queue *msq) | |
929 | { | |
930 | return security_ops->msg_queue_alloc_security(msq); | |
931 | } | |
932 | ||
933 | void security_msg_queue_free(struct msg_queue *msq) | |
934 | { | |
935 | security_ops->msg_queue_free_security(msq); | |
936 | } | |
937 | ||
938 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
939 | { | |
940 | return security_ops->msg_queue_associate(msq, msqflg); | |
941 | } | |
942 | ||
943 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
944 | { | |
945 | return security_ops->msg_queue_msgctl(msq, cmd); | |
946 | } | |
947 | ||
948 | int security_msg_queue_msgsnd(struct msg_queue *msq, | |
949 | struct msg_msg *msg, int msqflg) | |
950 | { | |
951 | return security_ops->msg_queue_msgsnd(msq, msg, msqflg); | |
952 | } | |
953 | ||
954 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
955 | struct task_struct *target, long type, int mode) | |
956 | { | |
957 | return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode); | |
958 | } | |
959 | ||
960 | int security_shm_alloc(struct shmid_kernel *shp) | |
961 | { | |
962 | return security_ops->shm_alloc_security(shp); | |
963 | } | |
964 | ||
965 | void security_shm_free(struct shmid_kernel *shp) | |
966 | { | |
967 | security_ops->shm_free_security(shp); | |
968 | } | |
969 | ||
970 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) | |
971 | { | |
972 | return security_ops->shm_associate(shp, shmflg); | |
973 | } | |
974 | ||
975 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
976 | { | |
977 | return security_ops->shm_shmctl(shp, cmd); | |
978 | } | |
979 | ||
980 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) | |
981 | { | |
982 | return security_ops->shm_shmat(shp, shmaddr, shmflg); | |
983 | } | |
984 | ||
985 | int security_sem_alloc(struct sem_array *sma) | |
986 | { | |
987 | return security_ops->sem_alloc_security(sma); | |
988 | } | |
989 | ||
990 | void security_sem_free(struct sem_array *sma) | |
991 | { | |
992 | security_ops->sem_free_security(sma); | |
993 | } | |
994 | ||
995 | int security_sem_associate(struct sem_array *sma, int semflg) | |
996 | { | |
997 | return security_ops->sem_associate(sma, semflg); | |
998 | } | |
999 | ||
1000 | int security_sem_semctl(struct sem_array *sma, int cmd) | |
1001 | { | |
1002 | return security_ops->sem_semctl(sma, cmd); | |
1003 | } | |
1004 | ||
1005 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
1006 | unsigned nsops, int alter) | |
1007 | { | |
1008 | return security_ops->sem_semop(sma, sops, nsops, alter); | |
1009 | } | |
1010 | ||
1011 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1012 | { | |
1013 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1014 | return; | |
1015 | security_ops->d_instantiate(dentry, inode); | |
1016 | } | |
1017 | EXPORT_SYMBOL(security_d_instantiate); | |
1018 | ||
1019 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1020 | { | |
1021 | return security_ops->getprocattr(p, name, value); | |
1022 | } | |
1023 | ||
1024 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) | |
1025 | { | |
1026 | return security_ops->setprocattr(p, name, value, size); | |
1027 | } | |
1028 | ||
1029 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1030 | { | |
1031 | return security_ops->netlink_send(sk, skb); | |
1032 | } | |
20510f2f | 1033 | |
20510f2f JM |
1034 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1035 | { | |
1036 | return security_ops->secid_to_secctx(secid, secdata, seclen); | |
1037 | } | |
1038 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1039 | ||
7bf570dc | 1040 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 DH |
1041 | { |
1042 | return security_ops->secctx_to_secid(secdata, seclen, secid); | |
1043 | } | |
1044 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1045 | ||
20510f2f JM |
1046 | void security_release_secctx(char *secdata, u32 seclen) |
1047 | { | |
65fc7668 | 1048 | security_ops->release_secctx(secdata, seclen); |
20510f2f JM |
1049 | } |
1050 | EXPORT_SYMBOL(security_release_secctx); | |
1051 | ||
1ee65e37 DQ |
1052 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1053 | { | |
1054 | return security_ops->inode_notifysecctx(inode, ctx, ctxlen); | |
1055 | } | |
1056 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1057 | ||
1058 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1059 | { | |
1060 | return security_ops->inode_setsecctx(dentry, ctx, ctxlen); | |
1061 | } | |
1062 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1063 | ||
1064 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1065 | { | |
1066 | return security_ops->inode_getsecctx(inode, ctx, ctxlen); | |
1067 | } | |
1068 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1069 | ||
20510f2f JM |
1070 | #ifdef CONFIG_SECURITY_NETWORK |
1071 | ||
3610cda5 | 1072 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f JM |
1073 | { |
1074 | return security_ops->unix_stream_connect(sock, other, newsk); | |
1075 | } | |
1076 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1077 | ||
1078 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1079 | { | |
1080 | return security_ops->unix_may_send(sock, other); | |
1081 | } | |
1082 | EXPORT_SYMBOL(security_unix_may_send); | |
1083 | ||
1084 | int security_socket_create(int family, int type, int protocol, int kern) | |
1085 | { | |
1086 | return security_ops->socket_create(family, type, protocol, kern); | |
1087 | } | |
1088 | ||
1089 | int security_socket_post_create(struct socket *sock, int family, | |
1090 | int type, int protocol, int kern) | |
1091 | { | |
1092 | return security_ops->socket_post_create(sock, family, type, | |
1093 | protocol, kern); | |
1094 | } | |
1095 | ||
1096 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) | |
1097 | { | |
1098 | return security_ops->socket_bind(sock, address, addrlen); | |
1099 | } | |
1100 | ||
1101 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1102 | { | |
1103 | return security_ops->socket_connect(sock, address, addrlen); | |
1104 | } | |
1105 | ||
1106 | int security_socket_listen(struct socket *sock, int backlog) | |
1107 | { | |
1108 | return security_ops->socket_listen(sock, backlog); | |
1109 | } | |
1110 | ||
1111 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1112 | { | |
1113 | return security_ops->socket_accept(sock, newsock); | |
1114 | } | |
1115 | ||
20510f2f JM |
1116 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1117 | { | |
1118 | return security_ops->socket_sendmsg(sock, msg, size); | |
1119 | } | |
1120 | ||
1121 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1122 | int size, int flags) | |
1123 | { | |
1124 | return security_ops->socket_recvmsg(sock, msg, size, flags); | |
1125 | } | |
1126 | ||
1127 | int security_socket_getsockname(struct socket *sock) | |
1128 | { | |
1129 | return security_ops->socket_getsockname(sock); | |
1130 | } | |
1131 | ||
1132 | int security_socket_getpeername(struct socket *sock) | |
1133 | { | |
1134 | return security_ops->socket_getpeername(sock); | |
1135 | } | |
1136 | ||
1137 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1138 | { | |
1139 | return security_ops->socket_getsockopt(sock, level, optname); | |
1140 | } | |
1141 | ||
1142 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1143 | { | |
1144 | return security_ops->socket_setsockopt(sock, level, optname); | |
1145 | } | |
1146 | ||
1147 | int security_socket_shutdown(struct socket *sock, int how) | |
1148 | { | |
1149 | return security_ops->socket_shutdown(sock, how); | |
1150 | } | |
1151 | ||
1152 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1153 | { | |
1154 | return security_ops->socket_sock_rcv_skb(sk, skb); | |
1155 | } | |
1156 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1157 | ||
1158 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1159 | int __user *optlen, unsigned len) | |
1160 | { | |
1161 | return security_ops->socket_getpeersec_stream(sock, optval, optlen, len); | |
1162 | } | |
1163 | ||
1164 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1165 | { | |
1166 | return security_ops->socket_getpeersec_dgram(sock, skb, secid); | |
1167 | } | |
1168 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1169 | ||
1170 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1171 | { | |
1172 | return security_ops->sk_alloc_security(sk, family, priority); | |
1173 | } | |
1174 | ||
1175 | void security_sk_free(struct sock *sk) | |
1176 | { | |
65fc7668 | 1177 | security_ops->sk_free_security(sk); |
20510f2f JM |
1178 | } |
1179 | ||
1180 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1181 | { | |
65fc7668 | 1182 | security_ops->sk_clone_security(sk, newsk); |
20510f2f | 1183 | } |
6230c9b4 | 1184 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1185 | |
1186 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1187 | { | |
1d28f42c | 1188 | security_ops->sk_getsecid(sk, &fl->flowi_secid); |
20510f2f JM |
1189 | } |
1190 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1191 | ||
1192 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1193 | { | |
1194 | security_ops->req_classify_flow(req, fl); | |
1195 | } | |
1196 | EXPORT_SYMBOL(security_req_classify_flow); | |
1197 | ||
1198 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1199 | { | |
1200 | security_ops->sock_graft(sk, parent); | |
1201 | } | |
1202 | EXPORT_SYMBOL(security_sock_graft); | |
1203 | ||
1204 | int security_inet_conn_request(struct sock *sk, | |
1205 | struct sk_buff *skb, struct request_sock *req) | |
1206 | { | |
1207 | return security_ops->inet_conn_request(sk, skb, req); | |
1208 | } | |
1209 | EXPORT_SYMBOL(security_inet_conn_request); | |
1210 | ||
1211 | void security_inet_csk_clone(struct sock *newsk, | |
1212 | const struct request_sock *req) | |
1213 | { | |
1214 | security_ops->inet_csk_clone(newsk, req); | |
1215 | } | |
1216 | ||
1217 | void security_inet_conn_established(struct sock *sk, | |
1218 | struct sk_buff *skb) | |
1219 | { | |
1220 | security_ops->inet_conn_established(sk, skb); | |
1221 | } | |
1222 | ||
2606fd1f EP |
1223 | int security_secmark_relabel_packet(u32 secid) |
1224 | { | |
1225 | return security_ops->secmark_relabel_packet(secid); | |
1226 | } | |
1227 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1228 | ||
1229 | void security_secmark_refcount_inc(void) | |
1230 | { | |
1231 | security_ops->secmark_refcount_inc(); | |
1232 | } | |
1233 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1234 | ||
1235 | void security_secmark_refcount_dec(void) | |
1236 | { | |
1237 | security_ops->secmark_refcount_dec(); | |
1238 | } | |
1239 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1240 | ||
2b980dbd PM |
1241 | int security_tun_dev_create(void) |
1242 | { | |
1243 | return security_ops->tun_dev_create(); | |
1244 | } | |
1245 | EXPORT_SYMBOL(security_tun_dev_create); | |
1246 | ||
1247 | void security_tun_dev_post_create(struct sock *sk) | |
1248 | { | |
1249 | return security_ops->tun_dev_post_create(sk); | |
1250 | } | |
1251 | EXPORT_SYMBOL(security_tun_dev_post_create); | |
1252 | ||
1253 | int security_tun_dev_attach(struct sock *sk) | |
1254 | { | |
1255 | return security_ops->tun_dev_attach(sk); | |
1256 | } | |
1257 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1258 | ||
20510f2f JM |
1259 | #endif /* CONFIG_SECURITY_NETWORK */ |
1260 | ||
1261 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
1262 | ||
03e1ad7b | 1263 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx) |
20510f2f | 1264 | { |
03e1ad7b | 1265 | return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx); |
20510f2f JM |
1266 | } |
1267 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1268 | ||
03e1ad7b PM |
1269 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1270 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1271 | { |
03e1ad7b | 1272 | return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp); |
20510f2f JM |
1273 | } |
1274 | ||
03e1ad7b | 1275 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1276 | { |
03e1ad7b | 1277 | security_ops->xfrm_policy_free_security(ctx); |
20510f2f JM |
1278 | } |
1279 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1280 | ||
03e1ad7b | 1281 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1282 | { |
03e1ad7b | 1283 | return security_ops->xfrm_policy_delete_security(ctx); |
20510f2f JM |
1284 | } |
1285 | ||
1286 | int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx) | |
1287 | { | |
1288 | return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0); | |
1289 | } | |
1290 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1291 | ||
1292 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1293 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1294 | { | |
1295 | if (!polsec) | |
1296 | return 0; | |
1297 | /* | |
1298 | * We want the context to be taken from secid which is usually | |
1299 | * from the sock. | |
1300 | */ | |
1301 | return security_ops->xfrm_state_alloc_security(x, NULL, secid); | |
1302 | } | |
1303 | ||
1304 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1305 | { | |
1306 | return security_ops->xfrm_state_delete_security(x); | |
1307 | } | |
1308 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1309 | ||
1310 | void security_xfrm_state_free(struct xfrm_state *x) | |
1311 | { | |
1312 | security_ops->xfrm_state_free_security(x); | |
1313 | } | |
1314 | ||
03e1ad7b | 1315 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1316 | { |
03e1ad7b | 1317 | return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir); |
20510f2f JM |
1318 | } |
1319 | ||
1320 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1321 | struct xfrm_policy *xp, |
1322 | const struct flowi *fl) | |
20510f2f JM |
1323 | { |
1324 | return security_ops->xfrm_state_pol_flow_match(x, xp, fl); | |
1325 | } | |
1326 | ||
1327 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1328 | { | |
1329 | return security_ops->xfrm_decode_session(skb, secid, 1); | |
1330 | } | |
1331 | ||
1332 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1333 | { | |
1d28f42c | 1334 | int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0); |
20510f2f JM |
1335 | |
1336 | BUG_ON(rc); | |
1337 | } | |
1338 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1339 | ||
1340 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1341 | ||
1342 | #ifdef CONFIG_KEYS | |
1343 | ||
d84f4f99 DH |
1344 | int security_key_alloc(struct key *key, const struct cred *cred, |
1345 | unsigned long flags) | |
20510f2f | 1346 | { |
d84f4f99 | 1347 | return security_ops->key_alloc(key, cred, flags); |
20510f2f JM |
1348 | } |
1349 | ||
1350 | void security_key_free(struct key *key) | |
1351 | { | |
1352 | security_ops->key_free(key); | |
1353 | } | |
1354 | ||
1355 | int security_key_permission(key_ref_t key_ref, | |
d84f4f99 | 1356 | const struct cred *cred, key_perm_t perm) |
20510f2f | 1357 | { |
d84f4f99 | 1358 | return security_ops->key_permission(key_ref, cred, perm); |
20510f2f JM |
1359 | } |
1360 | ||
70a5bb72 DH |
1361 | int security_key_getsecurity(struct key *key, char **_buffer) |
1362 | { | |
1363 | return security_ops->key_getsecurity(key, _buffer); | |
1364 | } | |
1365 | ||
20510f2f | 1366 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1367 | |
1368 | #ifdef CONFIG_AUDIT | |
1369 | ||
1370 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1371 | { | |
1372 | return security_ops->audit_rule_init(field, op, rulestr, lsmrule); | |
1373 | } | |
1374 | ||
1375 | int security_audit_rule_known(struct audit_krule *krule) | |
1376 | { | |
1377 | return security_ops->audit_rule_known(krule); | |
1378 | } | |
1379 | ||
1380 | void security_audit_rule_free(void *lsmrule) | |
1381 | { | |
1382 | security_ops->audit_rule_free(lsmrule); | |
1383 | } | |
1384 | ||
1385 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1386 | struct audit_context *actx) | |
1387 | { | |
1388 | return security_ops->audit_rule_match(secid, field, op, lsmrule, actx); | |
1389 | } | |
1390 | ||
1391 | #endif /* CONFIG_AUDIT */ |