]>
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> |
d47be3df | 15 | #include <linux/dcache.h> |
1da177e4 LT |
16 | #include <linux/module.h> |
17 | #include <linux/init.h> | |
18 | #include <linux/kernel.h> | |
1da177e4 | 19 | #include <linux/security.h> |
f381c272 | 20 | #include <linux/integrity.h> |
6c21a7fb | 21 | #include <linux/ima.h> |
3e1be52d | 22 | #include <linux/evm.h> |
40401530 | 23 | #include <linux/fsnotify.h> |
8b3ec681 AV |
24 | #include <linux/mman.h> |
25 | #include <linux/mount.h> | |
26 | #include <linux/personality.h> | |
75331a59 | 27 | #include <linux/backing-dev.h> |
40401530 | 28 | #include <net/flow.h> |
1da177e4 | 29 | |
823eb1cc | 30 | #define MAX_LSM_EVM_XATTR 2 |
1da177e4 | 31 | |
076c54c5 | 32 | /* Boot-time LSM user choice */ |
6e65f92f JJ |
33 | static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = |
34 | CONFIG_DEFAULT_SECURITY; | |
1da177e4 | 35 | |
189b3b1c | 36 | static struct security_operations *security_ops; |
37 | static struct security_operations default_security_ops = { | |
38 | .name = "default", | |
39 | }; | |
a5ecbcb8 | 40 | |
c80901f2 | 41 | static inline int __init verify(struct security_operations *ops) |
1da177e4 LT |
42 | { |
43 | /* verify the security_operations structure exists */ | |
44 | if (!ops) | |
45 | return -EINVAL; | |
46 | security_fixup_ops(ops); | |
47 | return 0; | |
48 | } | |
49 | ||
50 | static void __init do_security_initcalls(void) | |
51 | { | |
52 | initcall_t *call; | |
53 | call = __security_initcall_start; | |
54 | while (call < __security_initcall_end) { | |
55 | (*call) (); | |
56 | call++; | |
57 | } | |
58 | } | |
59 | ||
60 | /** | |
61 | * security_init - initializes the security framework | |
62 | * | |
63 | * This should be called early in the kernel initialization sequence. | |
64 | */ | |
65 | int __init security_init(void) | |
66 | { | |
20510f2f | 67 | printk(KERN_INFO "Security Framework initialized\n"); |
1da177e4 | 68 | |
5915eb53 MS |
69 | security_fixup_ops(&default_security_ops); |
70 | security_ops = &default_security_ops; | |
1da177e4 LT |
71 | do_security_initcalls(); |
72 | ||
73 | return 0; | |
74 | } | |
75 | ||
189b3b1c | 76 | void reset_security_ops(void) |
77 | { | |
78 | security_ops = &default_security_ops; | |
79 | } | |
80 | ||
076c54c5 AD |
81 | /* Save user chosen LSM */ |
82 | static int __init choose_lsm(char *str) | |
83 | { | |
84 | strncpy(chosen_lsm, str, SECURITY_NAME_MAX); | |
85 | return 1; | |
86 | } | |
87 | __setup("security=", choose_lsm); | |
88 | ||
89 | /** | |
90 | * security_module_enable - Load given security module on boot ? | |
91 | * @ops: a pointer to the struct security_operations that is to be checked. | |
92 | * | |
93 | * Each LSM must pass this method before registering its own operations | |
94 | * to avoid security registration races. This method may also be used | |
7cea51be | 95 | * to check if your LSM is currently loaded during kernel initialization. |
076c54c5 AD |
96 | * |
97 | * Return true if: | |
98 | * -The passed LSM is the one chosen by user at boot time, | |
6e65f92f | 99 | * -or the passed LSM is configured as the default and the user did not |
065d78a0 | 100 | * choose an alternate LSM at boot time. |
076c54c5 AD |
101 | * Otherwise, return false. |
102 | */ | |
103 | int __init security_module_enable(struct security_operations *ops) | |
104 | { | |
065d78a0 | 105 | return !strcmp(ops->name, chosen_lsm); |
076c54c5 AD |
106 | } |
107 | ||
1da177e4 LT |
108 | /** |
109 | * register_security - registers a security framework with the kernel | |
110 | * @ops: a pointer to the struct security_options that is to be registered | |
111 | * | |
3f23d815 | 112 | * This function allows a security module to register itself with the |
1da177e4 | 113 | * kernel security subsystem. Some rudimentary checking is done on the @ops |
076c54c5 AD |
114 | * value passed to this function. You'll need to check first if your LSM |
115 | * is allowed to register its @ops by calling security_module_enable(@ops). | |
1da177e4 LT |
116 | * |
117 | * If there is already a security module registered with the kernel, | |
3f23d815 | 118 | * an error will be returned. Otherwise %0 is returned on success. |
1da177e4 | 119 | */ |
c1e992b9 | 120 | int __init register_security(struct security_operations *ops) |
1da177e4 LT |
121 | { |
122 | if (verify(ops)) { | |
123 | printk(KERN_DEBUG "%s could not verify " | |
dd6f953a | 124 | "security_operations structure.\n", __func__); |
1da177e4 LT |
125 | return -EINVAL; |
126 | } | |
127 | ||
5915eb53 | 128 | if (security_ops != &default_security_ops) |
1da177e4 LT |
129 | return -EAGAIN; |
130 | ||
131 | security_ops = ops; | |
132 | ||
133 | return 0; | |
134 | } | |
135 | ||
20510f2f JM |
136 | /* Security operations */ |
137 | ||
9e48858f | 138 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 139 | { |
c6993e4a KC |
140 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
141 | int rc; | |
142 | rc = yama_ptrace_access_check(child, mode); | |
143 | if (rc) | |
144 | return rc; | |
145 | #endif | |
9e48858f | 146 | return security_ops->ptrace_access_check(child, mode); |
5cd9c58f DH |
147 | } |
148 | ||
149 | int security_ptrace_traceme(struct task_struct *parent) | |
150 | { | |
c6993e4a KC |
151 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
152 | int rc; | |
153 | rc = yama_ptrace_traceme(parent); | |
154 | if (rc) | |
155 | return rc; | |
156 | #endif | |
5cd9c58f | 157 | return security_ops->ptrace_traceme(parent); |
20510f2f JM |
158 | } |
159 | ||
160 | int security_capget(struct task_struct *target, | |
161 | kernel_cap_t *effective, | |
162 | kernel_cap_t *inheritable, | |
163 | kernel_cap_t *permitted) | |
164 | { | |
165 | return security_ops->capget(target, effective, inheritable, permitted); | |
166 | } | |
167 | ||
d84f4f99 DH |
168 | int security_capset(struct cred *new, const struct cred *old, |
169 | const kernel_cap_t *effective, | |
170 | const kernel_cap_t *inheritable, | |
171 | const kernel_cap_t *permitted) | |
20510f2f | 172 | { |
d84f4f99 DH |
173 | return security_ops->capset(new, old, |
174 | effective, inheritable, permitted); | |
20510f2f JM |
175 | } |
176 | ||
b7e724d3 | 177 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 178 | int cap) |
20510f2f | 179 | { |
6a9de491 | 180 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
181 | } |
182 | ||
c7eba4a9 EP |
183 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
184 | int cap) | |
06112163 | 185 | { |
c7eba4a9 | 186 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
187 | } |
188 | ||
20510f2f JM |
189 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
190 | { | |
191 | return security_ops->quotactl(cmds, type, id, sb); | |
192 | } | |
193 | ||
194 | int security_quota_on(struct dentry *dentry) | |
195 | { | |
196 | return security_ops->quota_on(dentry); | |
197 | } | |
198 | ||
12b3052c | 199 | int security_syslog(int type) |
20510f2f | 200 | { |
12b3052c | 201 | return security_ops->syslog(type); |
20510f2f JM |
202 | } |
203 | ||
1e6d7679 | 204 | int security_settime(const struct timespec *ts, const struct timezone *tz) |
20510f2f JM |
205 | { |
206 | return security_ops->settime(ts, tz); | |
207 | } | |
208 | ||
20510f2f JM |
209 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
210 | { | |
211 | return security_ops->vm_enough_memory(mm, pages); | |
212 | } | |
213 | ||
a6f76f23 | 214 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 215 | { |
a6f76f23 | 216 | return security_ops->bprm_set_creds(bprm); |
20510f2f JM |
217 | } |
218 | ||
a6f76f23 | 219 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 220 | { |
6c21a7fb MZ |
221 | int ret; |
222 | ||
223 | ret = security_ops->bprm_check_security(bprm); | |
224 | if (ret) | |
225 | return ret; | |
226 | return ima_bprm_check(bprm); | |
20510f2f JM |
227 | } |
228 | ||
a6f76f23 | 229 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 230 | { |
200036ca | 231 | security_ops->bprm_committing_creds(bprm); |
20510f2f JM |
232 | } |
233 | ||
a6f76f23 | 234 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 235 | { |
200036ca | 236 | security_ops->bprm_committed_creds(bprm); |
20510f2f JM |
237 | } |
238 | ||
239 | int security_bprm_secureexec(struct linux_binprm *bprm) | |
240 | { | |
241 | return security_ops->bprm_secureexec(bprm); | |
242 | } | |
243 | ||
244 | int security_sb_alloc(struct super_block *sb) | |
245 | { | |
246 | return security_ops->sb_alloc_security(sb); | |
247 | } | |
248 | ||
249 | void security_sb_free(struct super_block *sb) | |
250 | { | |
251 | security_ops->sb_free_security(sb); | |
252 | } | |
253 | ||
e0007529 | 254 | int security_sb_copy_data(char *orig, char *copy) |
20510f2f | 255 | { |
e0007529 | 256 | return security_ops->sb_copy_data(orig, copy); |
20510f2f | 257 | } |
e0007529 | 258 | EXPORT_SYMBOL(security_sb_copy_data); |
20510f2f | 259 | |
ff36fe2c EP |
260 | int security_sb_remount(struct super_block *sb, void *data) |
261 | { | |
262 | return security_ops->sb_remount(sb, data); | |
263 | } | |
264 | ||
12204e24 | 265 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
20510f2f | 266 | { |
12204e24 | 267 | return security_ops->sb_kern_mount(sb, flags, data); |
20510f2f JM |
268 | } |
269 | ||
2069f457 EP |
270 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
271 | { | |
272 | return security_ops->sb_show_options(m, sb); | |
273 | } | |
274 | ||
20510f2f JM |
275 | int security_sb_statfs(struct dentry *dentry) |
276 | { | |
277 | return security_ops->sb_statfs(dentry); | |
278 | } | |
279 | ||
808d4e3c AV |
280 | int security_sb_mount(const char *dev_name, struct path *path, |
281 | const char *type, unsigned long flags, void *data) | |
20510f2f | 282 | { |
b5266eb4 | 283 | return security_ops->sb_mount(dev_name, path, type, flags, data); |
20510f2f JM |
284 | } |
285 | ||
20510f2f JM |
286 | int security_sb_umount(struct vfsmount *mnt, int flags) |
287 | { | |
288 | return security_ops->sb_umount(mnt, flags); | |
289 | } | |
290 | ||
b5266eb4 | 291 | int security_sb_pivotroot(struct path *old_path, struct path *new_path) |
20510f2f | 292 | { |
b5266eb4 | 293 | return security_ops->sb_pivotroot(old_path, new_path); |
20510f2f JM |
294 | } |
295 | ||
c9180a57 | 296 | int security_sb_set_mnt_opts(struct super_block *sb, |
e0007529 | 297 | struct security_mnt_opts *opts) |
c9180a57 | 298 | { |
e0007529 | 299 | return security_ops->sb_set_mnt_opts(sb, opts); |
c9180a57 | 300 | } |
e0007529 | 301 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 302 | |
094f7b69 | 303 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
c9180a57 EP |
304 | struct super_block *newsb) |
305 | { | |
094f7b69 | 306 | return security_ops->sb_clone_mnt_opts(oldsb, newsb); |
c9180a57 | 307 | } |
e0007529 EP |
308 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
309 | ||
310 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
311 | { | |
312 | return security_ops->sb_parse_opts_str(options, opts); | |
313 | } | |
314 | EXPORT_SYMBOL(security_sb_parse_opts_str); | |
c9180a57 | 315 | |
20510f2f JM |
316 | int security_inode_alloc(struct inode *inode) |
317 | { | |
318 | inode->i_security = NULL; | |
bc7d2a3e | 319 | return security_ops->inode_alloc_security(inode); |
20510f2f JM |
320 | } |
321 | ||
322 | void security_inode_free(struct inode *inode) | |
323 | { | |
f381c272 | 324 | integrity_inode_free(inode); |
20510f2f JM |
325 | security_ops->inode_free_security(inode); |
326 | } | |
327 | ||
d47be3df DQ |
328 | int security_dentry_init_security(struct dentry *dentry, int mode, |
329 | struct qstr *name, void **ctx, | |
330 | u32 *ctxlen) | |
331 | { | |
332 | return security_ops->dentry_init_security(dentry, mode, name, | |
333 | ctx, ctxlen); | |
334 | } | |
335 | EXPORT_SYMBOL(security_dentry_init_security); | |
336 | ||
20510f2f | 337 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
338 | const struct qstr *qstr, |
339 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 340 | { |
823eb1cc MZ |
341 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
342 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
343 | int ret; |
344 | ||
20510f2f | 345 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 346 | return 0; |
9d8f13ba MZ |
347 | |
348 | memset(new_xattrs, 0, sizeof new_xattrs); | |
349 | if (!initxattrs) | |
350 | return security_ops->inode_init_security(inode, dir, qstr, | |
351 | NULL, NULL, NULL); | |
352 | lsm_xattr = new_xattrs; | |
353 | ret = security_ops->inode_init_security(inode, dir, qstr, | |
354 | &lsm_xattr->name, | |
355 | &lsm_xattr->value, | |
356 | &lsm_xattr->value_len); | |
357 | if (ret) | |
358 | goto out; | |
823eb1cc MZ |
359 | |
360 | evm_xattr = lsm_xattr + 1; | |
361 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
362 | if (ret) | |
363 | goto out; | |
9d8f13ba MZ |
364 | ret = initxattrs(inode, new_xattrs, fs_data); |
365 | out: | |
823eb1cc MZ |
366 | for (xattr = new_xattrs; xattr->name != NULL; xattr++) { |
367 | kfree(xattr->name); | |
368 | kfree(xattr->value); | |
369 | } | |
9d8f13ba MZ |
370 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
371 | } | |
372 | EXPORT_SYMBOL(security_inode_init_security); | |
373 | ||
374 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
375 | const struct qstr *qstr, char **name, | |
376 | void **value, size_t *len) | |
20510f2f JM |
377 | { |
378 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 379 | return -EOPNOTSUPP; |
2a7dba39 EP |
380 | return security_ops->inode_init_security(inode, dir, qstr, name, value, |
381 | len); | |
20510f2f | 382 | } |
9d8f13ba | 383 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 384 | |
be6d3e56 | 385 | #ifdef CONFIG_SECURITY_PATH |
04fc66e7 | 386 | int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
387 | unsigned int dev) |
388 | { | |
5d0901a3 | 389 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 390 | return 0; |
5d0901a3 | 391 | return security_ops->path_mknod(dir, dentry, mode, dev); |
be6d3e56 KT |
392 | } |
393 | EXPORT_SYMBOL(security_path_mknod); | |
394 | ||
4572befe | 395 | int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 396 | { |
5d0901a3 | 397 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 398 | return 0; |
5d0901a3 | 399 | return security_ops->path_mkdir(dir, dentry, mode); |
be6d3e56 | 400 | } |
82140443 | 401 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 402 | |
5d0901a3 | 403 | int security_path_rmdir(struct path *dir, struct dentry *dentry) |
be6d3e56 | 404 | { |
5d0901a3 | 405 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 406 | return 0; |
5d0901a3 | 407 | return security_ops->path_rmdir(dir, dentry); |
be6d3e56 KT |
408 | } |
409 | ||
5d0901a3 | 410 | int security_path_unlink(struct path *dir, struct dentry *dentry) |
be6d3e56 | 411 | { |
5d0901a3 | 412 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 413 | return 0; |
5d0901a3 | 414 | return security_ops->path_unlink(dir, dentry); |
be6d3e56 | 415 | } |
82140443 | 416 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 417 | |
5d0901a3 | 418 | int security_path_symlink(struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
419 | const char *old_name) |
420 | { | |
5d0901a3 | 421 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 422 | return 0; |
5d0901a3 | 423 | return security_ops->path_symlink(dir, dentry, old_name); |
be6d3e56 KT |
424 | } |
425 | ||
426 | int security_path_link(struct dentry *old_dentry, struct path *new_dir, | |
427 | struct dentry *new_dentry) | |
428 | { | |
429 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) | |
430 | return 0; | |
431 | return security_ops->path_link(old_dentry, new_dir, new_dentry); | |
432 | } | |
433 | ||
434 | int security_path_rename(struct path *old_dir, struct dentry *old_dentry, | |
435 | struct path *new_dir, struct dentry *new_dentry) | |
436 | { | |
437 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || | |
438 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) | |
439 | return 0; | |
440 | return security_ops->path_rename(old_dir, old_dentry, new_dir, | |
441 | new_dentry); | |
442 | } | |
82140443 | 443 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 444 | |
ea0d3ab2 | 445 | int security_path_truncate(struct path *path) |
be6d3e56 KT |
446 | { |
447 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) | |
448 | return 0; | |
ea0d3ab2 | 449 | return security_ops->path_truncate(path); |
be6d3e56 | 450 | } |
89eda068 | 451 | |
cdcf116d | 452 | int security_path_chmod(struct path *path, umode_t mode) |
89eda068 | 453 | { |
cdcf116d | 454 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
89eda068 | 455 | return 0; |
cdcf116d | 456 | return security_ops->path_chmod(path, mode); |
89eda068 TH |
457 | } |
458 | ||
d2b31ca6 | 459 | int security_path_chown(struct path *path, kuid_t uid, kgid_t gid) |
89eda068 TH |
460 | { |
461 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) | |
462 | return 0; | |
463 | return security_ops->path_chown(path, uid, gid); | |
464 | } | |
8b8efb44 TH |
465 | |
466 | int security_path_chroot(struct path *path) | |
467 | { | |
468 | return security_ops->path_chroot(path); | |
469 | } | |
be6d3e56 KT |
470 | #endif |
471 | ||
4acdaf27 | 472 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
473 | { |
474 | if (unlikely(IS_PRIVATE(dir))) | |
475 | return 0; | |
476 | return security_ops->inode_create(dir, dentry, mode); | |
477 | } | |
800a9647 | 478 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
479 | |
480 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
481 | struct dentry *new_dentry) | |
482 | { | |
483 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) | |
484 | return 0; | |
485 | return security_ops->inode_link(old_dentry, dir, new_dentry); | |
486 | } | |
487 | ||
488 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
489 | { | |
490 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
491 | return 0; | |
492 | return security_ops->inode_unlink(dir, dentry); | |
493 | } | |
494 | ||
495 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
496 | const char *old_name) | |
497 | { | |
498 | if (unlikely(IS_PRIVATE(dir))) | |
499 | return 0; | |
500 | return security_ops->inode_symlink(dir, dentry, old_name); | |
501 | } | |
502 | ||
18bb1db3 | 503 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
504 | { |
505 | if (unlikely(IS_PRIVATE(dir))) | |
506 | return 0; | |
507 | return security_ops->inode_mkdir(dir, dentry, mode); | |
508 | } | |
800a9647 | 509 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
510 | |
511 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
512 | { | |
513 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
514 | return 0; | |
515 | return security_ops->inode_rmdir(dir, dentry); | |
516 | } | |
517 | ||
1a67aafb | 518 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
519 | { |
520 | if (unlikely(IS_PRIVATE(dir))) | |
521 | return 0; | |
522 | return security_ops->inode_mknod(dir, dentry, mode, dev); | |
523 | } | |
524 | ||
525 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
526 | struct inode *new_dir, struct dentry *new_dentry) | |
527 | { | |
528 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || | |
529 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) | |
530 | return 0; | |
531 | return security_ops->inode_rename(old_dir, old_dentry, | |
532 | new_dir, new_dentry); | |
533 | } | |
534 | ||
535 | int security_inode_readlink(struct dentry *dentry) | |
536 | { | |
537 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
538 | return 0; | |
539 | return security_ops->inode_readlink(dentry); | |
540 | } | |
541 | ||
542 | int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd) | |
543 | { | |
544 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
545 | return 0; | |
546 | return security_ops->inode_follow_link(dentry, nd); | |
547 | } | |
548 | ||
b77b0646 | 549 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
550 | { |
551 | if (unlikely(IS_PRIVATE(inode))) | |
552 | return 0; | |
e74f71eb | 553 | return security_ops->inode_permission(inode, mask); |
20510f2f JM |
554 | } |
555 | ||
556 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
557 | { | |
817b54aa MZ |
558 | int ret; |
559 | ||
20510f2f JM |
560 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
561 | return 0; | |
817b54aa MZ |
562 | ret = security_ops->inode_setattr(dentry, attr); |
563 | if (ret) | |
564 | return ret; | |
565 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 566 | } |
b1da47e2 | 567 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f JM |
568 | |
569 | int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) | |
570 | { | |
571 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
572 | return 0; | |
573 | return security_ops->inode_getattr(mnt, dentry); | |
574 | } | |
575 | ||
8f0cfa52 DH |
576 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
577 | const void *value, size_t size, int flags) | |
20510f2f | 578 | { |
3e1be52d MZ |
579 | int ret; |
580 | ||
20510f2f JM |
581 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
582 | return 0; | |
3e1be52d | 583 | ret = security_ops->inode_setxattr(dentry, name, value, size, flags); |
42c63330 MZ |
584 | if (ret) |
585 | return ret; | |
586 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
587 | if (ret) |
588 | return ret; | |
589 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
590 | } |
591 | ||
8f0cfa52 DH |
592 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
593 | const void *value, size_t size, int flags) | |
20510f2f JM |
594 | { |
595 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
596 | return; | |
597 | security_ops->inode_post_setxattr(dentry, name, value, size, flags); | |
3e1be52d | 598 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
599 | } |
600 | ||
8f0cfa52 | 601 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f JM |
602 | { |
603 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
604 | return 0; | |
605 | return security_ops->inode_getxattr(dentry, name); | |
606 | } | |
607 | ||
608 | int security_inode_listxattr(struct dentry *dentry) | |
609 | { | |
610 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
611 | return 0; | |
612 | return security_ops->inode_listxattr(dentry); | |
613 | } | |
614 | ||
8f0cfa52 | 615 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 616 | { |
3e1be52d MZ |
617 | int ret; |
618 | ||
20510f2f JM |
619 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
620 | return 0; | |
3e1be52d | 621 | ret = security_ops->inode_removexattr(dentry, name); |
42c63330 MZ |
622 | if (ret) |
623 | return ret; | |
624 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
625 | if (ret) |
626 | return ret; | |
627 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
628 | } |
629 | ||
b5376771 SH |
630 | int security_inode_need_killpriv(struct dentry *dentry) |
631 | { | |
632 | return security_ops->inode_need_killpriv(dentry); | |
633 | } | |
634 | ||
635 | int security_inode_killpriv(struct dentry *dentry) | |
636 | { | |
637 | return security_ops->inode_killpriv(dentry); | |
638 | } | |
639 | ||
42492594 | 640 | int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f JM |
641 | { |
642 | if (unlikely(IS_PRIVATE(inode))) | |
8d952504 | 643 | return -EOPNOTSUPP; |
42492594 | 644 | return security_ops->inode_getsecurity(inode, name, buffer, alloc); |
20510f2f JM |
645 | } |
646 | ||
647 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
648 | { | |
649 | if (unlikely(IS_PRIVATE(inode))) | |
8d952504 | 650 | return -EOPNOTSUPP; |
20510f2f JM |
651 | return security_ops->inode_setsecurity(inode, name, value, size, flags); |
652 | } | |
653 | ||
654 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
655 | { | |
656 | if (unlikely(IS_PRIVATE(inode))) | |
657 | return 0; | |
658 | return security_ops->inode_listsecurity(inode, buffer, buffer_size); | |
659 | } | |
660 | ||
8a076191 AD |
661 | void security_inode_getsecid(const struct inode *inode, u32 *secid) |
662 | { | |
663 | security_ops->inode_getsecid(inode, secid); | |
664 | } | |
665 | ||
20510f2f JM |
666 | int security_file_permission(struct file *file, int mask) |
667 | { | |
c4ec54b4 EP |
668 | int ret; |
669 | ||
670 | ret = security_ops->file_permission(file, mask); | |
671 | if (ret) | |
672 | return ret; | |
673 | ||
674 | return fsnotify_perm(file, mask); | |
20510f2f JM |
675 | } |
676 | ||
677 | int security_file_alloc(struct file *file) | |
678 | { | |
679 | return security_ops->file_alloc_security(file); | |
680 | } | |
681 | ||
682 | void security_file_free(struct file *file) | |
683 | { | |
684 | security_ops->file_free_security(file); | |
685 | } | |
686 | ||
687 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
688 | { | |
689 | return security_ops->file_ioctl(file, cmd, arg); | |
690 | } | |
691 | ||
98de59bf | 692 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 693 | { |
8b3ec681 | 694 | /* |
98de59bf AV |
695 | * Does we have PROT_READ and does the application expect |
696 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 697 | */ |
98de59bf AV |
698 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
699 | return prot; | |
8b3ec681 | 700 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
701 | return prot; |
702 | /* | |
703 | * if that's an anonymous mapping, let it. | |
704 | */ | |
705 | if (!file) | |
706 | return prot | PROT_EXEC; | |
707 | /* | |
708 | * ditto if it's not on noexec mount, except that on !MMU we need | |
709 | * BDI_CAP_EXEC_MMAP (== VM_MAYEXEC) in this case | |
710 | */ | |
711 | if (!(file->f_path.mnt->mnt_flags & MNT_NOEXEC)) { | |
8b3ec681 AV |
712 | #ifndef CONFIG_MMU |
713 | unsigned long caps = 0; | |
714 | struct address_space *mapping = file->f_mapping; | |
715 | if (mapping && mapping->backing_dev_info) | |
716 | caps = mapping->backing_dev_info->capabilities; | |
717 | if (!(caps & BDI_CAP_EXEC_MAP)) | |
98de59bf | 718 | return prot; |
8b3ec681 | 719 | #endif |
98de59bf | 720 | return prot | PROT_EXEC; |
8b3ec681 | 721 | } |
98de59bf AV |
722 | /* anything on noexec mount won't get PROT_EXEC */ |
723 | return prot; | |
724 | } | |
725 | ||
726 | int security_mmap_file(struct file *file, unsigned long prot, | |
727 | unsigned long flags) | |
728 | { | |
729 | int ret; | |
730 | ret = security_ops->mmap_file(file, prot, | |
731 | mmap_prot(file, prot), flags); | |
6c21a7fb MZ |
732 | if (ret) |
733 | return ret; | |
734 | return ima_file_mmap(file, prot); | |
20510f2f JM |
735 | } |
736 | ||
e5467859 AV |
737 | int security_mmap_addr(unsigned long addr) |
738 | { | |
739 | return security_ops->mmap_addr(addr); | |
740 | } | |
741 | ||
20510f2f JM |
742 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
743 | unsigned long prot) | |
744 | { | |
745 | return security_ops->file_mprotect(vma, reqprot, prot); | |
746 | } | |
747 | ||
748 | int security_file_lock(struct file *file, unsigned int cmd) | |
749 | { | |
750 | return security_ops->file_lock(file, cmd); | |
751 | } | |
752 | ||
753 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
754 | { | |
755 | return security_ops->file_fcntl(file, cmd, arg); | |
756 | } | |
757 | ||
758 | int security_file_set_fowner(struct file *file) | |
759 | { | |
760 | return security_ops->file_set_fowner(file); | |
761 | } | |
762 | ||
763 | int security_file_send_sigiotask(struct task_struct *tsk, | |
764 | struct fown_struct *fown, int sig) | |
765 | { | |
766 | return security_ops->file_send_sigiotask(tsk, fown, sig); | |
767 | } | |
768 | ||
769 | int security_file_receive(struct file *file) | |
770 | { | |
771 | return security_ops->file_receive(file); | |
772 | } | |
773 | ||
83d49856 | 774 | int security_file_open(struct file *file, const struct cred *cred) |
20510f2f | 775 | { |
c4ec54b4 EP |
776 | int ret; |
777 | ||
83d49856 | 778 | ret = security_ops->file_open(file, cred); |
c4ec54b4 EP |
779 | if (ret) |
780 | return ret; | |
781 | ||
782 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
783 | } |
784 | ||
785 | int security_task_create(unsigned long clone_flags) | |
786 | { | |
787 | return security_ops->task_create(clone_flags); | |
788 | } | |
789 | ||
1a2a4d06 KC |
790 | void security_task_free(struct task_struct *task) |
791 | { | |
c6993e4a KC |
792 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
793 | yama_task_free(task); | |
794 | #endif | |
1a2a4d06 KC |
795 | security_ops->task_free(task); |
796 | } | |
797 | ||
ee18d64c DH |
798 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
799 | { | |
800 | return security_ops->cred_alloc_blank(cred, gfp); | |
801 | } | |
802 | ||
d84f4f99 | 803 | void security_cred_free(struct cred *cred) |
20510f2f | 804 | { |
d84f4f99 | 805 | security_ops->cred_free(cred); |
20510f2f JM |
806 | } |
807 | ||
d84f4f99 | 808 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 809 | { |
d84f4f99 DH |
810 | return security_ops->cred_prepare(new, old, gfp); |
811 | } | |
812 | ||
ee18d64c DH |
813 | void security_transfer_creds(struct cred *new, const struct cred *old) |
814 | { | |
815 | security_ops->cred_transfer(new, old); | |
816 | } | |
817 | ||
3a3b7ce9 DH |
818 | int security_kernel_act_as(struct cred *new, u32 secid) |
819 | { | |
820 | return security_ops->kernel_act_as(new, secid); | |
821 | } | |
822 | ||
823 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
824 | { | |
825 | return security_ops->kernel_create_files_as(new, inode); | |
826 | } | |
827 | ||
dd8dbf2e | 828 | int security_kernel_module_request(char *kmod_name) |
9188499c | 829 | { |
dd8dbf2e | 830 | return security_ops->kernel_module_request(kmod_name); |
9188499c EP |
831 | } |
832 | ||
2e72d51b KC |
833 | int security_kernel_module_from_file(struct file *file) |
834 | { | |
fdf90729 MZ |
835 | int ret; |
836 | ||
837 | ret = security_ops->kernel_module_from_file(file); | |
838 | if (ret) | |
839 | return ret; | |
840 | return ima_module_check(file); | |
2e72d51b KC |
841 | } |
842 | ||
d84f4f99 DH |
843 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
844 | int flags) | |
20510f2f | 845 | { |
d84f4f99 | 846 | return security_ops->task_fix_setuid(new, old, flags); |
20510f2f JM |
847 | } |
848 | ||
20510f2f JM |
849 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
850 | { | |
851 | return security_ops->task_setpgid(p, pgid); | |
852 | } | |
853 | ||
854 | int security_task_getpgid(struct task_struct *p) | |
855 | { | |
856 | return security_ops->task_getpgid(p); | |
857 | } | |
858 | ||
859 | int security_task_getsid(struct task_struct *p) | |
860 | { | |
861 | return security_ops->task_getsid(p); | |
862 | } | |
863 | ||
864 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
865 | { | |
866 | security_ops->task_getsecid(p, secid); | |
867 | } | |
868 | EXPORT_SYMBOL(security_task_getsecid); | |
869 | ||
20510f2f JM |
870 | int security_task_setnice(struct task_struct *p, int nice) |
871 | { | |
872 | return security_ops->task_setnice(p, nice); | |
873 | } | |
874 | ||
875 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
876 | { | |
877 | return security_ops->task_setioprio(p, ioprio); | |
878 | } | |
879 | ||
880 | int security_task_getioprio(struct task_struct *p) | |
881 | { | |
882 | return security_ops->task_getioprio(p); | |
883 | } | |
884 | ||
8fd00b4d JS |
885 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
886 | struct rlimit *new_rlim) | |
20510f2f | 887 | { |
8fd00b4d | 888 | return security_ops->task_setrlimit(p, resource, new_rlim); |
20510f2f JM |
889 | } |
890 | ||
b0ae1981 | 891 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 892 | { |
b0ae1981 | 893 | return security_ops->task_setscheduler(p); |
20510f2f JM |
894 | } |
895 | ||
896 | int security_task_getscheduler(struct task_struct *p) | |
897 | { | |
898 | return security_ops->task_getscheduler(p); | |
899 | } | |
900 | ||
901 | int security_task_movememory(struct task_struct *p) | |
902 | { | |
903 | return security_ops->task_movememory(p); | |
904 | } | |
905 | ||
906 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
907 | int sig, u32 secid) | |
908 | { | |
909 | return security_ops->task_kill(p, info, sig, secid); | |
910 | } | |
911 | ||
912 | int security_task_wait(struct task_struct *p) | |
913 | { | |
914 | return security_ops->task_wait(p); | |
915 | } | |
916 | ||
917 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, | |
d84f4f99 | 918 | unsigned long arg4, unsigned long arg5) |
20510f2f | 919 | { |
c6993e4a KC |
920 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
921 | int rc; | |
922 | rc = yama_task_prctl(option, arg2, arg3, arg4, arg5); | |
923 | if (rc != -ENOSYS) | |
924 | return rc; | |
925 | #endif | |
d84f4f99 | 926 | return security_ops->task_prctl(option, arg2, arg3, arg4, arg5); |
20510f2f JM |
927 | } |
928 | ||
929 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
930 | { | |
931 | security_ops->task_to_inode(p, inode); | |
932 | } | |
933 | ||
934 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
935 | { | |
936 | return security_ops->ipc_permission(ipcp, flag); | |
937 | } | |
938 | ||
8a076191 AD |
939 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
940 | { | |
941 | security_ops->ipc_getsecid(ipcp, secid); | |
942 | } | |
943 | ||
20510f2f JM |
944 | int security_msg_msg_alloc(struct msg_msg *msg) |
945 | { | |
946 | return security_ops->msg_msg_alloc_security(msg); | |
947 | } | |
948 | ||
949 | void security_msg_msg_free(struct msg_msg *msg) | |
950 | { | |
951 | security_ops->msg_msg_free_security(msg); | |
952 | } | |
953 | ||
954 | int security_msg_queue_alloc(struct msg_queue *msq) | |
955 | { | |
956 | return security_ops->msg_queue_alloc_security(msq); | |
957 | } | |
958 | ||
959 | void security_msg_queue_free(struct msg_queue *msq) | |
960 | { | |
961 | security_ops->msg_queue_free_security(msq); | |
962 | } | |
963 | ||
964 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
965 | { | |
966 | return security_ops->msg_queue_associate(msq, msqflg); | |
967 | } | |
968 | ||
969 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
970 | { | |
971 | return security_ops->msg_queue_msgctl(msq, cmd); | |
972 | } | |
973 | ||
974 | int security_msg_queue_msgsnd(struct msg_queue *msq, | |
975 | struct msg_msg *msg, int msqflg) | |
976 | { | |
977 | return security_ops->msg_queue_msgsnd(msq, msg, msqflg); | |
978 | } | |
979 | ||
980 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
981 | struct task_struct *target, long type, int mode) | |
982 | { | |
983 | return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode); | |
984 | } | |
985 | ||
986 | int security_shm_alloc(struct shmid_kernel *shp) | |
987 | { | |
988 | return security_ops->shm_alloc_security(shp); | |
989 | } | |
990 | ||
991 | void security_shm_free(struct shmid_kernel *shp) | |
992 | { | |
993 | security_ops->shm_free_security(shp); | |
994 | } | |
995 | ||
996 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) | |
997 | { | |
998 | return security_ops->shm_associate(shp, shmflg); | |
999 | } | |
1000 | ||
1001 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
1002 | { | |
1003 | return security_ops->shm_shmctl(shp, cmd); | |
1004 | } | |
1005 | ||
1006 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) | |
1007 | { | |
1008 | return security_ops->shm_shmat(shp, shmaddr, shmflg); | |
1009 | } | |
1010 | ||
1011 | int security_sem_alloc(struct sem_array *sma) | |
1012 | { | |
1013 | return security_ops->sem_alloc_security(sma); | |
1014 | } | |
1015 | ||
1016 | void security_sem_free(struct sem_array *sma) | |
1017 | { | |
1018 | security_ops->sem_free_security(sma); | |
1019 | } | |
1020 | ||
1021 | int security_sem_associate(struct sem_array *sma, int semflg) | |
1022 | { | |
1023 | return security_ops->sem_associate(sma, semflg); | |
1024 | } | |
1025 | ||
1026 | int security_sem_semctl(struct sem_array *sma, int cmd) | |
1027 | { | |
1028 | return security_ops->sem_semctl(sma, cmd); | |
1029 | } | |
1030 | ||
1031 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
1032 | unsigned nsops, int alter) | |
1033 | { | |
1034 | return security_ops->sem_semop(sma, sops, nsops, alter); | |
1035 | } | |
1036 | ||
1037 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1038 | { | |
1039 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1040 | return; | |
1041 | security_ops->d_instantiate(dentry, inode); | |
1042 | } | |
1043 | EXPORT_SYMBOL(security_d_instantiate); | |
1044 | ||
1045 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1046 | { | |
1047 | return security_ops->getprocattr(p, name, value); | |
1048 | } | |
1049 | ||
1050 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) | |
1051 | { | |
1052 | return security_ops->setprocattr(p, name, value, size); | |
1053 | } | |
1054 | ||
1055 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1056 | { | |
1057 | return security_ops->netlink_send(sk, skb); | |
1058 | } | |
20510f2f | 1059 | |
20510f2f JM |
1060 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1061 | { | |
1062 | return security_ops->secid_to_secctx(secid, secdata, seclen); | |
1063 | } | |
1064 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1065 | ||
7bf570dc | 1066 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 DH |
1067 | { |
1068 | return security_ops->secctx_to_secid(secdata, seclen, secid); | |
1069 | } | |
1070 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1071 | ||
20510f2f JM |
1072 | void security_release_secctx(char *secdata, u32 seclen) |
1073 | { | |
65fc7668 | 1074 | security_ops->release_secctx(secdata, seclen); |
20510f2f JM |
1075 | } |
1076 | EXPORT_SYMBOL(security_release_secctx); | |
1077 | ||
1ee65e37 DQ |
1078 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1079 | { | |
1080 | return security_ops->inode_notifysecctx(inode, ctx, ctxlen); | |
1081 | } | |
1082 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1083 | ||
1084 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1085 | { | |
1086 | return security_ops->inode_setsecctx(dentry, ctx, ctxlen); | |
1087 | } | |
1088 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1089 | ||
1090 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1091 | { | |
1092 | return security_ops->inode_getsecctx(inode, ctx, ctxlen); | |
1093 | } | |
1094 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1095 | ||
20510f2f JM |
1096 | #ifdef CONFIG_SECURITY_NETWORK |
1097 | ||
3610cda5 | 1098 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f JM |
1099 | { |
1100 | return security_ops->unix_stream_connect(sock, other, newsk); | |
1101 | } | |
1102 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1103 | ||
1104 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1105 | { | |
1106 | return security_ops->unix_may_send(sock, other); | |
1107 | } | |
1108 | EXPORT_SYMBOL(security_unix_may_send); | |
1109 | ||
1110 | int security_socket_create(int family, int type, int protocol, int kern) | |
1111 | { | |
1112 | return security_ops->socket_create(family, type, protocol, kern); | |
1113 | } | |
1114 | ||
1115 | int security_socket_post_create(struct socket *sock, int family, | |
1116 | int type, int protocol, int kern) | |
1117 | { | |
1118 | return security_ops->socket_post_create(sock, family, type, | |
1119 | protocol, kern); | |
1120 | } | |
1121 | ||
1122 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) | |
1123 | { | |
1124 | return security_ops->socket_bind(sock, address, addrlen); | |
1125 | } | |
1126 | ||
1127 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1128 | { | |
1129 | return security_ops->socket_connect(sock, address, addrlen); | |
1130 | } | |
1131 | ||
1132 | int security_socket_listen(struct socket *sock, int backlog) | |
1133 | { | |
1134 | return security_ops->socket_listen(sock, backlog); | |
1135 | } | |
1136 | ||
1137 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1138 | { | |
1139 | return security_ops->socket_accept(sock, newsock); | |
1140 | } | |
1141 | ||
20510f2f JM |
1142 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1143 | { | |
1144 | return security_ops->socket_sendmsg(sock, msg, size); | |
1145 | } | |
1146 | ||
1147 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1148 | int size, int flags) | |
1149 | { | |
1150 | return security_ops->socket_recvmsg(sock, msg, size, flags); | |
1151 | } | |
1152 | ||
1153 | int security_socket_getsockname(struct socket *sock) | |
1154 | { | |
1155 | return security_ops->socket_getsockname(sock); | |
1156 | } | |
1157 | ||
1158 | int security_socket_getpeername(struct socket *sock) | |
1159 | { | |
1160 | return security_ops->socket_getpeername(sock); | |
1161 | } | |
1162 | ||
1163 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1164 | { | |
1165 | return security_ops->socket_getsockopt(sock, level, optname); | |
1166 | } | |
1167 | ||
1168 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1169 | { | |
1170 | return security_ops->socket_setsockopt(sock, level, optname); | |
1171 | } | |
1172 | ||
1173 | int security_socket_shutdown(struct socket *sock, int how) | |
1174 | { | |
1175 | return security_ops->socket_shutdown(sock, how); | |
1176 | } | |
1177 | ||
1178 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1179 | { | |
1180 | return security_ops->socket_sock_rcv_skb(sk, skb); | |
1181 | } | |
1182 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1183 | ||
1184 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1185 | int __user *optlen, unsigned len) | |
1186 | { | |
1187 | return security_ops->socket_getpeersec_stream(sock, optval, optlen, len); | |
1188 | } | |
1189 | ||
1190 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1191 | { | |
1192 | return security_ops->socket_getpeersec_dgram(sock, skb, secid); | |
1193 | } | |
1194 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1195 | ||
1196 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1197 | { | |
1198 | return security_ops->sk_alloc_security(sk, family, priority); | |
1199 | } | |
1200 | ||
1201 | void security_sk_free(struct sock *sk) | |
1202 | { | |
65fc7668 | 1203 | security_ops->sk_free_security(sk); |
20510f2f JM |
1204 | } |
1205 | ||
1206 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1207 | { | |
65fc7668 | 1208 | security_ops->sk_clone_security(sk, newsk); |
20510f2f | 1209 | } |
6230c9b4 | 1210 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1211 | |
1212 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1213 | { | |
1d28f42c | 1214 | security_ops->sk_getsecid(sk, &fl->flowi_secid); |
20510f2f JM |
1215 | } |
1216 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1217 | ||
1218 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1219 | { | |
1220 | security_ops->req_classify_flow(req, fl); | |
1221 | } | |
1222 | EXPORT_SYMBOL(security_req_classify_flow); | |
1223 | ||
1224 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1225 | { | |
1226 | security_ops->sock_graft(sk, parent); | |
1227 | } | |
1228 | EXPORT_SYMBOL(security_sock_graft); | |
1229 | ||
1230 | int security_inet_conn_request(struct sock *sk, | |
1231 | struct sk_buff *skb, struct request_sock *req) | |
1232 | { | |
1233 | return security_ops->inet_conn_request(sk, skb, req); | |
1234 | } | |
1235 | EXPORT_SYMBOL(security_inet_conn_request); | |
1236 | ||
1237 | void security_inet_csk_clone(struct sock *newsk, | |
1238 | const struct request_sock *req) | |
1239 | { | |
1240 | security_ops->inet_csk_clone(newsk, req); | |
1241 | } | |
1242 | ||
1243 | void security_inet_conn_established(struct sock *sk, | |
1244 | struct sk_buff *skb) | |
1245 | { | |
1246 | security_ops->inet_conn_established(sk, skb); | |
1247 | } | |
1248 | ||
2606fd1f EP |
1249 | int security_secmark_relabel_packet(u32 secid) |
1250 | { | |
1251 | return security_ops->secmark_relabel_packet(secid); | |
1252 | } | |
1253 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1254 | ||
1255 | void security_secmark_refcount_inc(void) | |
1256 | { | |
1257 | security_ops->secmark_refcount_inc(); | |
1258 | } | |
1259 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1260 | ||
1261 | void security_secmark_refcount_dec(void) | |
1262 | { | |
1263 | security_ops->secmark_refcount_dec(); | |
1264 | } | |
1265 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1266 | ||
5dbbaf2d PM |
1267 | int security_tun_dev_alloc_security(void **security) |
1268 | { | |
1269 | return security_ops->tun_dev_alloc_security(security); | |
1270 | } | |
1271 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1272 | ||
1273 | void security_tun_dev_free_security(void *security) | |
1274 | { | |
1275 | security_ops->tun_dev_free_security(security); | |
1276 | } | |
1277 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1278 | ||
2b980dbd PM |
1279 | int security_tun_dev_create(void) |
1280 | { | |
1281 | return security_ops->tun_dev_create(); | |
1282 | } | |
1283 | EXPORT_SYMBOL(security_tun_dev_create); | |
1284 | ||
5dbbaf2d | 1285 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1286 | { |
5dbbaf2d | 1287 | return security_ops->tun_dev_attach_queue(security); |
2b980dbd | 1288 | } |
5dbbaf2d | 1289 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1290 | |
5dbbaf2d | 1291 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1292 | { |
5dbbaf2d | 1293 | return security_ops->tun_dev_attach(sk, security); |
2b980dbd PM |
1294 | } |
1295 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1296 | ||
5dbbaf2d PM |
1297 | int security_tun_dev_open(void *security) |
1298 | { | |
1299 | return security_ops->tun_dev_open(security); | |
1300 | } | |
1301 | EXPORT_SYMBOL(security_tun_dev_open); | |
1302 | ||
ca10b9e9 ED |
1303 | void security_skb_owned_by(struct sk_buff *skb, struct sock *sk) |
1304 | { | |
1305 | security_ops->skb_owned_by(skb, sk); | |
1306 | } | |
1307 | ||
20510f2f JM |
1308 | #endif /* CONFIG_SECURITY_NETWORK */ |
1309 | ||
1310 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
1311 | ||
03e1ad7b | 1312 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx) |
20510f2f | 1313 | { |
03e1ad7b | 1314 | return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx); |
20510f2f JM |
1315 | } |
1316 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1317 | ||
03e1ad7b PM |
1318 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1319 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1320 | { |
03e1ad7b | 1321 | return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp); |
20510f2f JM |
1322 | } |
1323 | ||
03e1ad7b | 1324 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1325 | { |
03e1ad7b | 1326 | security_ops->xfrm_policy_free_security(ctx); |
20510f2f JM |
1327 | } |
1328 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1329 | ||
03e1ad7b | 1330 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1331 | { |
03e1ad7b | 1332 | return security_ops->xfrm_policy_delete_security(ctx); |
20510f2f JM |
1333 | } |
1334 | ||
1335 | int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx) | |
1336 | { | |
1337 | return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0); | |
1338 | } | |
1339 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1340 | ||
1341 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1342 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1343 | { | |
1344 | if (!polsec) | |
1345 | return 0; | |
1346 | /* | |
1347 | * We want the context to be taken from secid which is usually | |
1348 | * from the sock. | |
1349 | */ | |
1350 | return security_ops->xfrm_state_alloc_security(x, NULL, secid); | |
1351 | } | |
1352 | ||
1353 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1354 | { | |
1355 | return security_ops->xfrm_state_delete_security(x); | |
1356 | } | |
1357 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1358 | ||
1359 | void security_xfrm_state_free(struct xfrm_state *x) | |
1360 | { | |
1361 | security_ops->xfrm_state_free_security(x); | |
1362 | } | |
1363 | ||
03e1ad7b | 1364 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1365 | { |
03e1ad7b | 1366 | return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir); |
20510f2f JM |
1367 | } |
1368 | ||
1369 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1370 | struct xfrm_policy *xp, |
1371 | const struct flowi *fl) | |
20510f2f JM |
1372 | { |
1373 | return security_ops->xfrm_state_pol_flow_match(x, xp, fl); | |
1374 | } | |
1375 | ||
1376 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1377 | { | |
1378 | return security_ops->xfrm_decode_session(skb, secid, 1); | |
1379 | } | |
1380 | ||
1381 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1382 | { | |
1d28f42c | 1383 | int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0); |
20510f2f JM |
1384 | |
1385 | BUG_ON(rc); | |
1386 | } | |
1387 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1388 | ||
1389 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1390 | ||
1391 | #ifdef CONFIG_KEYS | |
1392 | ||
d84f4f99 DH |
1393 | int security_key_alloc(struct key *key, const struct cred *cred, |
1394 | unsigned long flags) | |
20510f2f | 1395 | { |
d84f4f99 | 1396 | return security_ops->key_alloc(key, cred, flags); |
20510f2f JM |
1397 | } |
1398 | ||
1399 | void security_key_free(struct key *key) | |
1400 | { | |
1401 | security_ops->key_free(key); | |
1402 | } | |
1403 | ||
1404 | int security_key_permission(key_ref_t key_ref, | |
d84f4f99 | 1405 | const struct cred *cred, key_perm_t perm) |
20510f2f | 1406 | { |
d84f4f99 | 1407 | return security_ops->key_permission(key_ref, cred, perm); |
20510f2f JM |
1408 | } |
1409 | ||
70a5bb72 DH |
1410 | int security_key_getsecurity(struct key *key, char **_buffer) |
1411 | { | |
1412 | return security_ops->key_getsecurity(key, _buffer); | |
1413 | } | |
1414 | ||
20510f2f | 1415 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1416 | |
1417 | #ifdef CONFIG_AUDIT | |
1418 | ||
1419 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1420 | { | |
1421 | return security_ops->audit_rule_init(field, op, rulestr, lsmrule); | |
1422 | } | |
1423 | ||
1424 | int security_audit_rule_known(struct audit_krule *krule) | |
1425 | { | |
1426 | return security_ops->audit_rule_known(krule); | |
1427 | } | |
1428 | ||
1429 | void security_audit_rule_free(void *lsmrule) | |
1430 | { | |
1431 | security_ops->audit_rule_free(lsmrule); | |
1432 | } | |
1433 | ||
1434 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1435 | struct audit_context *actx) | |
1436 | { | |
1437 | return security_ops->audit_rule_match(secid, field, op, lsmrule, actx); | |
1438 | } | |
1439 | ||
1440 | #endif /* CONFIG_AUDIT */ |