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, |
649f6e77 DQ |
297 | struct security_mnt_opts *opts, |
298 | unsigned long kern_flags, | |
299 | unsigned long *set_kern_flags) | |
c9180a57 | 300 | { |
649f6e77 DQ |
301 | return security_ops->sb_set_mnt_opts(sb, opts, kern_flags, |
302 | set_kern_flags); | |
c9180a57 | 303 | } |
e0007529 | 304 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 305 | |
094f7b69 | 306 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
c9180a57 EP |
307 | struct super_block *newsb) |
308 | { | |
094f7b69 | 309 | return security_ops->sb_clone_mnt_opts(oldsb, newsb); |
c9180a57 | 310 | } |
e0007529 EP |
311 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
312 | ||
313 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
314 | { | |
315 | return security_ops->sb_parse_opts_str(options, opts); | |
316 | } | |
317 | EXPORT_SYMBOL(security_sb_parse_opts_str); | |
c9180a57 | 318 | |
20510f2f JM |
319 | int security_inode_alloc(struct inode *inode) |
320 | { | |
321 | inode->i_security = NULL; | |
bc7d2a3e | 322 | return security_ops->inode_alloc_security(inode); |
20510f2f JM |
323 | } |
324 | ||
325 | void security_inode_free(struct inode *inode) | |
326 | { | |
f381c272 | 327 | integrity_inode_free(inode); |
20510f2f JM |
328 | security_ops->inode_free_security(inode); |
329 | } | |
330 | ||
d47be3df DQ |
331 | int security_dentry_init_security(struct dentry *dentry, int mode, |
332 | struct qstr *name, void **ctx, | |
333 | u32 *ctxlen) | |
334 | { | |
335 | return security_ops->dentry_init_security(dentry, mode, name, | |
336 | ctx, ctxlen); | |
337 | } | |
338 | EXPORT_SYMBOL(security_dentry_init_security); | |
339 | ||
20510f2f | 340 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
341 | const struct qstr *qstr, |
342 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 343 | { |
823eb1cc MZ |
344 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
345 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
346 | int ret; |
347 | ||
20510f2f | 348 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 349 | return 0; |
9d8f13ba | 350 | |
9d8f13ba MZ |
351 | if (!initxattrs) |
352 | return security_ops->inode_init_security(inode, dir, qstr, | |
353 | NULL, NULL, NULL); | |
9548906b | 354 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
9d8f13ba MZ |
355 | lsm_xattr = new_xattrs; |
356 | ret = security_ops->inode_init_security(inode, dir, qstr, | |
357 | &lsm_xattr->name, | |
358 | &lsm_xattr->value, | |
359 | &lsm_xattr->value_len); | |
360 | if (ret) | |
361 | goto out; | |
823eb1cc MZ |
362 | |
363 | evm_xattr = lsm_xattr + 1; | |
364 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
365 | if (ret) | |
366 | goto out; | |
9d8f13ba MZ |
367 | ret = initxattrs(inode, new_xattrs, fs_data); |
368 | out: | |
9548906b | 369 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
823eb1cc | 370 | kfree(xattr->value); |
9d8f13ba MZ |
371 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
372 | } | |
373 | EXPORT_SYMBOL(security_inode_init_security); | |
374 | ||
375 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 376 | const struct qstr *qstr, const char **name, |
9d8f13ba | 377 | void **value, size_t *len) |
20510f2f JM |
378 | { |
379 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 380 | return -EOPNOTSUPP; |
2a7dba39 EP |
381 | return security_ops->inode_init_security(inode, dir, qstr, name, value, |
382 | len); | |
20510f2f | 383 | } |
9d8f13ba | 384 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 385 | |
be6d3e56 | 386 | #ifdef CONFIG_SECURITY_PATH |
04fc66e7 | 387 | int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
388 | unsigned int dev) |
389 | { | |
5d0901a3 | 390 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 391 | return 0; |
5d0901a3 | 392 | return security_ops->path_mknod(dir, dentry, mode, dev); |
be6d3e56 KT |
393 | } |
394 | EXPORT_SYMBOL(security_path_mknod); | |
395 | ||
4572befe | 396 | int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 397 | { |
5d0901a3 | 398 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 399 | return 0; |
5d0901a3 | 400 | return security_ops->path_mkdir(dir, dentry, mode); |
be6d3e56 | 401 | } |
82140443 | 402 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 403 | |
5d0901a3 | 404 | int security_path_rmdir(struct path *dir, struct dentry *dentry) |
be6d3e56 | 405 | { |
5d0901a3 | 406 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 407 | return 0; |
5d0901a3 | 408 | return security_ops->path_rmdir(dir, dentry); |
be6d3e56 KT |
409 | } |
410 | ||
5d0901a3 | 411 | int security_path_unlink(struct path *dir, struct dentry *dentry) |
be6d3e56 | 412 | { |
5d0901a3 | 413 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 414 | return 0; |
5d0901a3 | 415 | return security_ops->path_unlink(dir, dentry); |
be6d3e56 | 416 | } |
82140443 | 417 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 418 | |
5d0901a3 | 419 | int security_path_symlink(struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
420 | const char *old_name) |
421 | { | |
5d0901a3 | 422 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
be6d3e56 | 423 | return 0; |
5d0901a3 | 424 | return security_ops->path_symlink(dir, dentry, old_name); |
be6d3e56 KT |
425 | } |
426 | ||
427 | int security_path_link(struct dentry *old_dentry, struct path *new_dir, | |
428 | struct dentry *new_dentry) | |
429 | { | |
430 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) | |
431 | return 0; | |
432 | return security_ops->path_link(old_dentry, new_dir, new_dentry); | |
433 | } | |
434 | ||
435 | int security_path_rename(struct path *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
436 | struct path *new_dir, struct dentry *new_dentry, |
437 | unsigned int flags) | |
be6d3e56 KT |
438 | { |
439 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || | |
440 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) | |
441 | return 0; | |
da1ce067 MS |
442 | |
443 | if (flags & RENAME_EXCHANGE) { | |
444 | int err = security_ops->path_rename(new_dir, new_dentry, | |
445 | old_dir, old_dentry); | |
446 | if (err) | |
447 | return err; | |
448 | } | |
449 | ||
be6d3e56 KT |
450 | return security_ops->path_rename(old_dir, old_dentry, new_dir, |
451 | new_dentry); | |
452 | } | |
82140443 | 453 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 454 | |
ea0d3ab2 | 455 | int security_path_truncate(struct path *path) |
be6d3e56 KT |
456 | { |
457 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) | |
458 | return 0; | |
ea0d3ab2 | 459 | return security_ops->path_truncate(path); |
be6d3e56 | 460 | } |
89eda068 | 461 | |
cdcf116d | 462 | int security_path_chmod(struct path *path, umode_t mode) |
89eda068 | 463 | { |
cdcf116d | 464 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
89eda068 | 465 | return 0; |
cdcf116d | 466 | return security_ops->path_chmod(path, mode); |
89eda068 TH |
467 | } |
468 | ||
d2b31ca6 | 469 | int security_path_chown(struct path *path, kuid_t uid, kgid_t gid) |
89eda068 TH |
470 | { |
471 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) | |
472 | return 0; | |
473 | return security_ops->path_chown(path, uid, gid); | |
474 | } | |
8b8efb44 TH |
475 | |
476 | int security_path_chroot(struct path *path) | |
477 | { | |
478 | return security_ops->path_chroot(path); | |
479 | } | |
be6d3e56 KT |
480 | #endif |
481 | ||
4acdaf27 | 482 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
483 | { |
484 | if (unlikely(IS_PRIVATE(dir))) | |
485 | return 0; | |
486 | return security_ops->inode_create(dir, dentry, mode); | |
487 | } | |
800a9647 | 488 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
489 | |
490 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
491 | struct dentry *new_dentry) | |
492 | { | |
493 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) | |
494 | return 0; | |
495 | return security_ops->inode_link(old_dentry, dir, new_dentry); | |
496 | } | |
497 | ||
498 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
499 | { | |
500 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
501 | return 0; | |
502 | return security_ops->inode_unlink(dir, dentry); | |
503 | } | |
504 | ||
505 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
506 | const char *old_name) | |
507 | { | |
508 | if (unlikely(IS_PRIVATE(dir))) | |
509 | return 0; | |
510 | return security_ops->inode_symlink(dir, dentry, old_name); | |
511 | } | |
512 | ||
18bb1db3 | 513 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
514 | { |
515 | if (unlikely(IS_PRIVATE(dir))) | |
516 | return 0; | |
517 | return security_ops->inode_mkdir(dir, dentry, mode); | |
518 | } | |
800a9647 | 519 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
520 | |
521 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
522 | { | |
523 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
524 | return 0; | |
525 | return security_ops->inode_rmdir(dir, dentry); | |
526 | } | |
527 | ||
1a67aafb | 528 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
529 | { |
530 | if (unlikely(IS_PRIVATE(dir))) | |
531 | return 0; | |
532 | return security_ops->inode_mknod(dir, dentry, mode, dev); | |
533 | } | |
534 | ||
535 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
536 | struct inode *new_dir, struct dentry *new_dentry, |
537 | unsigned int flags) | |
20510f2f JM |
538 | { |
539 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || | |
540 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) | |
541 | return 0; | |
da1ce067 MS |
542 | |
543 | if (flags & RENAME_EXCHANGE) { | |
544 | int err = security_ops->inode_rename(new_dir, new_dentry, | |
545 | old_dir, old_dentry); | |
546 | if (err) | |
547 | return err; | |
548 | } | |
549 | ||
20510f2f JM |
550 | return security_ops->inode_rename(old_dir, old_dentry, |
551 | new_dir, new_dentry); | |
552 | } | |
553 | ||
554 | int security_inode_readlink(struct dentry *dentry) | |
555 | { | |
556 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
557 | return 0; | |
558 | return security_ops->inode_readlink(dentry); | |
559 | } | |
560 | ||
561 | int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd) | |
562 | { | |
563 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
564 | return 0; | |
565 | return security_ops->inode_follow_link(dentry, nd); | |
566 | } | |
567 | ||
b77b0646 | 568 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
569 | { |
570 | if (unlikely(IS_PRIVATE(inode))) | |
571 | return 0; | |
e74f71eb | 572 | return security_ops->inode_permission(inode, mask); |
20510f2f JM |
573 | } |
574 | ||
575 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
576 | { | |
817b54aa MZ |
577 | int ret; |
578 | ||
20510f2f JM |
579 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
580 | return 0; | |
817b54aa MZ |
581 | ret = security_ops->inode_setattr(dentry, attr); |
582 | if (ret) | |
583 | return ret; | |
584 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 585 | } |
b1da47e2 | 586 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f JM |
587 | |
588 | int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) | |
589 | { | |
590 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
591 | return 0; | |
592 | return security_ops->inode_getattr(mnt, dentry); | |
593 | } | |
594 | ||
8f0cfa52 DH |
595 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
596 | const void *value, size_t size, int flags) | |
20510f2f | 597 | { |
3e1be52d MZ |
598 | int ret; |
599 | ||
20510f2f JM |
600 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
601 | return 0; | |
3e1be52d | 602 | ret = security_ops->inode_setxattr(dentry, name, value, size, flags); |
42c63330 MZ |
603 | if (ret) |
604 | return ret; | |
605 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
606 | if (ret) |
607 | return ret; | |
608 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
609 | } |
610 | ||
8f0cfa52 DH |
611 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
612 | const void *value, size_t size, int flags) | |
20510f2f JM |
613 | { |
614 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
615 | return; | |
616 | security_ops->inode_post_setxattr(dentry, name, value, size, flags); | |
3e1be52d | 617 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
618 | } |
619 | ||
8f0cfa52 | 620 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f JM |
621 | { |
622 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
623 | return 0; | |
624 | return security_ops->inode_getxattr(dentry, name); | |
625 | } | |
626 | ||
627 | int security_inode_listxattr(struct dentry *dentry) | |
628 | { | |
629 | if (unlikely(IS_PRIVATE(dentry->d_inode))) | |
630 | return 0; | |
631 | return security_ops->inode_listxattr(dentry); | |
632 | } | |
633 | ||
8f0cfa52 | 634 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 635 | { |
3e1be52d MZ |
636 | int ret; |
637 | ||
20510f2f JM |
638 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
639 | return 0; | |
3e1be52d | 640 | ret = security_ops->inode_removexattr(dentry, name); |
42c63330 MZ |
641 | if (ret) |
642 | return ret; | |
643 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
644 | if (ret) |
645 | return ret; | |
646 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
647 | } |
648 | ||
b5376771 SH |
649 | int security_inode_need_killpriv(struct dentry *dentry) |
650 | { | |
651 | return security_ops->inode_need_killpriv(dentry); | |
652 | } | |
653 | ||
654 | int security_inode_killpriv(struct dentry *dentry) | |
655 | { | |
656 | return security_ops->inode_killpriv(dentry); | |
657 | } | |
658 | ||
42492594 | 659 | int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f JM |
660 | { |
661 | if (unlikely(IS_PRIVATE(inode))) | |
8d952504 | 662 | return -EOPNOTSUPP; |
42492594 | 663 | return security_ops->inode_getsecurity(inode, name, buffer, alloc); |
20510f2f JM |
664 | } |
665 | ||
666 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
667 | { | |
668 | if (unlikely(IS_PRIVATE(inode))) | |
8d952504 | 669 | return -EOPNOTSUPP; |
20510f2f JM |
670 | return security_ops->inode_setsecurity(inode, name, value, size, flags); |
671 | } | |
672 | ||
673 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
674 | { | |
675 | if (unlikely(IS_PRIVATE(inode))) | |
676 | return 0; | |
677 | return security_ops->inode_listsecurity(inode, buffer, buffer_size); | |
678 | } | |
c9bccef6 | 679 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 680 | |
8a076191 AD |
681 | void security_inode_getsecid(const struct inode *inode, u32 *secid) |
682 | { | |
683 | security_ops->inode_getsecid(inode, secid); | |
684 | } | |
685 | ||
20510f2f JM |
686 | int security_file_permission(struct file *file, int mask) |
687 | { | |
c4ec54b4 EP |
688 | int ret; |
689 | ||
690 | ret = security_ops->file_permission(file, mask); | |
691 | if (ret) | |
692 | return ret; | |
693 | ||
694 | return fsnotify_perm(file, mask); | |
20510f2f JM |
695 | } |
696 | ||
697 | int security_file_alloc(struct file *file) | |
698 | { | |
699 | return security_ops->file_alloc_security(file); | |
700 | } | |
701 | ||
702 | void security_file_free(struct file *file) | |
703 | { | |
704 | security_ops->file_free_security(file); | |
705 | } | |
706 | ||
707 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
708 | { | |
709 | return security_ops->file_ioctl(file, cmd, arg); | |
710 | } | |
711 | ||
98de59bf | 712 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 713 | { |
8b3ec681 | 714 | /* |
98de59bf AV |
715 | * Does we have PROT_READ and does the application expect |
716 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 717 | */ |
98de59bf AV |
718 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
719 | return prot; | |
8b3ec681 | 720 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
721 | return prot; |
722 | /* | |
723 | * if that's an anonymous mapping, let it. | |
724 | */ | |
725 | if (!file) | |
726 | return prot | PROT_EXEC; | |
727 | /* | |
728 | * ditto if it's not on noexec mount, except that on !MMU we need | |
729 | * BDI_CAP_EXEC_MMAP (== VM_MAYEXEC) in this case | |
730 | */ | |
731 | if (!(file->f_path.mnt->mnt_flags & MNT_NOEXEC)) { | |
8b3ec681 AV |
732 | #ifndef CONFIG_MMU |
733 | unsigned long caps = 0; | |
734 | struct address_space *mapping = file->f_mapping; | |
735 | if (mapping && mapping->backing_dev_info) | |
736 | caps = mapping->backing_dev_info->capabilities; | |
737 | if (!(caps & BDI_CAP_EXEC_MAP)) | |
98de59bf | 738 | return prot; |
8b3ec681 | 739 | #endif |
98de59bf | 740 | return prot | PROT_EXEC; |
8b3ec681 | 741 | } |
98de59bf AV |
742 | /* anything on noexec mount won't get PROT_EXEC */ |
743 | return prot; | |
744 | } | |
745 | ||
746 | int security_mmap_file(struct file *file, unsigned long prot, | |
747 | unsigned long flags) | |
748 | { | |
749 | int ret; | |
750 | ret = security_ops->mmap_file(file, prot, | |
751 | mmap_prot(file, prot), flags); | |
6c21a7fb MZ |
752 | if (ret) |
753 | return ret; | |
754 | return ima_file_mmap(file, prot); | |
20510f2f JM |
755 | } |
756 | ||
e5467859 AV |
757 | int security_mmap_addr(unsigned long addr) |
758 | { | |
759 | return security_ops->mmap_addr(addr); | |
760 | } | |
761 | ||
20510f2f JM |
762 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
763 | unsigned long prot) | |
764 | { | |
765 | return security_ops->file_mprotect(vma, reqprot, prot); | |
766 | } | |
767 | ||
768 | int security_file_lock(struct file *file, unsigned int cmd) | |
769 | { | |
770 | return security_ops->file_lock(file, cmd); | |
771 | } | |
772 | ||
773 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
774 | { | |
775 | return security_ops->file_fcntl(file, cmd, arg); | |
776 | } | |
777 | ||
e0b93edd | 778 | void security_file_set_fowner(struct file *file) |
20510f2f | 779 | { |
e0b93edd | 780 | security_ops->file_set_fowner(file); |
20510f2f JM |
781 | } |
782 | ||
783 | int security_file_send_sigiotask(struct task_struct *tsk, | |
784 | struct fown_struct *fown, int sig) | |
785 | { | |
786 | return security_ops->file_send_sigiotask(tsk, fown, sig); | |
787 | } | |
788 | ||
789 | int security_file_receive(struct file *file) | |
790 | { | |
791 | return security_ops->file_receive(file); | |
792 | } | |
793 | ||
83d49856 | 794 | int security_file_open(struct file *file, const struct cred *cred) |
20510f2f | 795 | { |
c4ec54b4 EP |
796 | int ret; |
797 | ||
83d49856 | 798 | ret = security_ops->file_open(file, cred); |
c4ec54b4 EP |
799 | if (ret) |
800 | return ret; | |
801 | ||
802 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
803 | } |
804 | ||
805 | int security_task_create(unsigned long clone_flags) | |
806 | { | |
807 | return security_ops->task_create(clone_flags); | |
808 | } | |
809 | ||
1a2a4d06 KC |
810 | void security_task_free(struct task_struct *task) |
811 | { | |
c6993e4a KC |
812 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
813 | yama_task_free(task); | |
814 | #endif | |
1a2a4d06 KC |
815 | security_ops->task_free(task); |
816 | } | |
817 | ||
ee18d64c DH |
818 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
819 | { | |
820 | return security_ops->cred_alloc_blank(cred, gfp); | |
821 | } | |
822 | ||
d84f4f99 | 823 | void security_cred_free(struct cred *cred) |
20510f2f | 824 | { |
d84f4f99 | 825 | security_ops->cred_free(cred); |
20510f2f JM |
826 | } |
827 | ||
d84f4f99 | 828 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 829 | { |
d84f4f99 DH |
830 | return security_ops->cred_prepare(new, old, gfp); |
831 | } | |
832 | ||
ee18d64c DH |
833 | void security_transfer_creds(struct cred *new, const struct cred *old) |
834 | { | |
835 | security_ops->cred_transfer(new, old); | |
836 | } | |
837 | ||
3a3b7ce9 DH |
838 | int security_kernel_act_as(struct cred *new, u32 secid) |
839 | { | |
840 | return security_ops->kernel_act_as(new, secid); | |
841 | } | |
842 | ||
843 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
844 | { | |
845 | return security_ops->kernel_create_files_as(new, inode); | |
846 | } | |
847 | ||
13752fe2 KC |
848 | int security_kernel_fw_from_file(struct file *file, char *buf, size_t size) |
849 | { | |
5a9196d7 MZ |
850 | int ret; |
851 | ||
852 | ret = security_ops->kernel_fw_from_file(file, buf, size); | |
853 | if (ret) | |
854 | return ret; | |
855 | return ima_fw_from_file(file, buf, size); | |
13752fe2 KC |
856 | } |
857 | EXPORT_SYMBOL_GPL(security_kernel_fw_from_file); | |
858 | ||
dd8dbf2e | 859 | int security_kernel_module_request(char *kmod_name) |
9188499c | 860 | { |
dd8dbf2e | 861 | return security_ops->kernel_module_request(kmod_name); |
9188499c EP |
862 | } |
863 | ||
2e72d51b KC |
864 | int security_kernel_module_from_file(struct file *file) |
865 | { | |
fdf90729 MZ |
866 | int ret; |
867 | ||
868 | ret = security_ops->kernel_module_from_file(file); | |
869 | if (ret) | |
870 | return ret; | |
871 | return ima_module_check(file); | |
2e72d51b KC |
872 | } |
873 | ||
d84f4f99 DH |
874 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
875 | int flags) | |
20510f2f | 876 | { |
d84f4f99 | 877 | return security_ops->task_fix_setuid(new, old, flags); |
20510f2f JM |
878 | } |
879 | ||
20510f2f JM |
880 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
881 | { | |
882 | return security_ops->task_setpgid(p, pgid); | |
883 | } | |
884 | ||
885 | int security_task_getpgid(struct task_struct *p) | |
886 | { | |
887 | return security_ops->task_getpgid(p); | |
888 | } | |
889 | ||
890 | int security_task_getsid(struct task_struct *p) | |
891 | { | |
892 | return security_ops->task_getsid(p); | |
893 | } | |
894 | ||
895 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
896 | { | |
897 | security_ops->task_getsecid(p, secid); | |
898 | } | |
899 | EXPORT_SYMBOL(security_task_getsecid); | |
900 | ||
20510f2f JM |
901 | int security_task_setnice(struct task_struct *p, int nice) |
902 | { | |
903 | return security_ops->task_setnice(p, nice); | |
904 | } | |
905 | ||
906 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
907 | { | |
908 | return security_ops->task_setioprio(p, ioprio); | |
909 | } | |
910 | ||
911 | int security_task_getioprio(struct task_struct *p) | |
912 | { | |
913 | return security_ops->task_getioprio(p); | |
914 | } | |
915 | ||
8fd00b4d JS |
916 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
917 | struct rlimit *new_rlim) | |
20510f2f | 918 | { |
8fd00b4d | 919 | return security_ops->task_setrlimit(p, resource, new_rlim); |
20510f2f JM |
920 | } |
921 | ||
b0ae1981 | 922 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 923 | { |
b0ae1981 | 924 | return security_ops->task_setscheduler(p); |
20510f2f JM |
925 | } |
926 | ||
927 | int security_task_getscheduler(struct task_struct *p) | |
928 | { | |
929 | return security_ops->task_getscheduler(p); | |
930 | } | |
931 | ||
932 | int security_task_movememory(struct task_struct *p) | |
933 | { | |
934 | return security_ops->task_movememory(p); | |
935 | } | |
936 | ||
937 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
938 | int sig, u32 secid) | |
939 | { | |
940 | return security_ops->task_kill(p, info, sig, secid); | |
941 | } | |
942 | ||
943 | int security_task_wait(struct task_struct *p) | |
944 | { | |
945 | return security_ops->task_wait(p); | |
946 | } | |
947 | ||
948 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, | |
d84f4f99 | 949 | unsigned long arg4, unsigned long arg5) |
20510f2f | 950 | { |
c6993e4a KC |
951 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
952 | int rc; | |
953 | rc = yama_task_prctl(option, arg2, arg3, arg4, arg5); | |
954 | if (rc != -ENOSYS) | |
955 | return rc; | |
956 | #endif | |
d84f4f99 | 957 | return security_ops->task_prctl(option, arg2, arg3, arg4, arg5); |
20510f2f JM |
958 | } |
959 | ||
960 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
961 | { | |
962 | security_ops->task_to_inode(p, inode); | |
963 | } | |
964 | ||
965 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
966 | { | |
967 | return security_ops->ipc_permission(ipcp, flag); | |
968 | } | |
969 | ||
8a076191 AD |
970 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
971 | { | |
972 | security_ops->ipc_getsecid(ipcp, secid); | |
973 | } | |
974 | ||
20510f2f JM |
975 | int security_msg_msg_alloc(struct msg_msg *msg) |
976 | { | |
977 | return security_ops->msg_msg_alloc_security(msg); | |
978 | } | |
979 | ||
980 | void security_msg_msg_free(struct msg_msg *msg) | |
981 | { | |
982 | security_ops->msg_msg_free_security(msg); | |
983 | } | |
984 | ||
985 | int security_msg_queue_alloc(struct msg_queue *msq) | |
986 | { | |
987 | return security_ops->msg_queue_alloc_security(msq); | |
988 | } | |
989 | ||
990 | void security_msg_queue_free(struct msg_queue *msq) | |
991 | { | |
992 | security_ops->msg_queue_free_security(msq); | |
993 | } | |
994 | ||
995 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
996 | { | |
997 | return security_ops->msg_queue_associate(msq, msqflg); | |
998 | } | |
999 | ||
1000 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
1001 | { | |
1002 | return security_ops->msg_queue_msgctl(msq, cmd); | |
1003 | } | |
1004 | ||
1005 | int security_msg_queue_msgsnd(struct msg_queue *msq, | |
1006 | struct msg_msg *msg, int msqflg) | |
1007 | { | |
1008 | return security_ops->msg_queue_msgsnd(msq, msg, msqflg); | |
1009 | } | |
1010 | ||
1011 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
1012 | struct task_struct *target, long type, int mode) | |
1013 | { | |
1014 | return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode); | |
1015 | } | |
1016 | ||
1017 | int security_shm_alloc(struct shmid_kernel *shp) | |
1018 | { | |
1019 | return security_ops->shm_alloc_security(shp); | |
1020 | } | |
1021 | ||
1022 | void security_shm_free(struct shmid_kernel *shp) | |
1023 | { | |
1024 | security_ops->shm_free_security(shp); | |
1025 | } | |
1026 | ||
1027 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) | |
1028 | { | |
1029 | return security_ops->shm_associate(shp, shmflg); | |
1030 | } | |
1031 | ||
1032 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
1033 | { | |
1034 | return security_ops->shm_shmctl(shp, cmd); | |
1035 | } | |
1036 | ||
1037 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) | |
1038 | { | |
1039 | return security_ops->shm_shmat(shp, shmaddr, shmflg); | |
1040 | } | |
1041 | ||
1042 | int security_sem_alloc(struct sem_array *sma) | |
1043 | { | |
1044 | return security_ops->sem_alloc_security(sma); | |
1045 | } | |
1046 | ||
1047 | void security_sem_free(struct sem_array *sma) | |
1048 | { | |
1049 | security_ops->sem_free_security(sma); | |
1050 | } | |
1051 | ||
1052 | int security_sem_associate(struct sem_array *sma, int semflg) | |
1053 | { | |
1054 | return security_ops->sem_associate(sma, semflg); | |
1055 | } | |
1056 | ||
1057 | int security_sem_semctl(struct sem_array *sma, int cmd) | |
1058 | { | |
1059 | return security_ops->sem_semctl(sma, cmd); | |
1060 | } | |
1061 | ||
1062 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
1063 | unsigned nsops, int alter) | |
1064 | { | |
1065 | return security_ops->sem_semop(sma, sops, nsops, alter); | |
1066 | } | |
1067 | ||
1068 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1069 | { | |
1070 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1071 | return; | |
1072 | security_ops->d_instantiate(dentry, inode); | |
1073 | } | |
1074 | EXPORT_SYMBOL(security_d_instantiate); | |
1075 | ||
1076 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1077 | { | |
1078 | return security_ops->getprocattr(p, name, value); | |
1079 | } | |
1080 | ||
1081 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) | |
1082 | { | |
1083 | return security_ops->setprocattr(p, name, value, size); | |
1084 | } | |
1085 | ||
1086 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1087 | { | |
1088 | return security_ops->netlink_send(sk, skb); | |
1089 | } | |
20510f2f | 1090 | |
746df9b5 DQ |
1091 | int security_ismaclabel(const char *name) |
1092 | { | |
1093 | return security_ops->ismaclabel(name); | |
1094 | } | |
1095 | EXPORT_SYMBOL(security_ismaclabel); | |
1096 | ||
20510f2f JM |
1097 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1098 | { | |
1099 | return security_ops->secid_to_secctx(secid, secdata, seclen); | |
1100 | } | |
1101 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1102 | ||
7bf570dc | 1103 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 DH |
1104 | { |
1105 | return security_ops->secctx_to_secid(secdata, seclen, secid); | |
1106 | } | |
1107 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1108 | ||
20510f2f JM |
1109 | void security_release_secctx(char *secdata, u32 seclen) |
1110 | { | |
65fc7668 | 1111 | security_ops->release_secctx(secdata, seclen); |
20510f2f JM |
1112 | } |
1113 | EXPORT_SYMBOL(security_release_secctx); | |
1114 | ||
1ee65e37 DQ |
1115 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1116 | { | |
1117 | return security_ops->inode_notifysecctx(inode, ctx, ctxlen); | |
1118 | } | |
1119 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1120 | ||
1121 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1122 | { | |
1123 | return security_ops->inode_setsecctx(dentry, ctx, ctxlen); | |
1124 | } | |
1125 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1126 | ||
1127 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1128 | { | |
1129 | return security_ops->inode_getsecctx(inode, ctx, ctxlen); | |
1130 | } | |
1131 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1132 | ||
20510f2f JM |
1133 | #ifdef CONFIG_SECURITY_NETWORK |
1134 | ||
3610cda5 | 1135 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f JM |
1136 | { |
1137 | return security_ops->unix_stream_connect(sock, other, newsk); | |
1138 | } | |
1139 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1140 | ||
1141 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1142 | { | |
1143 | return security_ops->unix_may_send(sock, other); | |
1144 | } | |
1145 | EXPORT_SYMBOL(security_unix_may_send); | |
1146 | ||
1147 | int security_socket_create(int family, int type, int protocol, int kern) | |
1148 | { | |
1149 | return security_ops->socket_create(family, type, protocol, kern); | |
1150 | } | |
1151 | ||
1152 | int security_socket_post_create(struct socket *sock, int family, | |
1153 | int type, int protocol, int kern) | |
1154 | { | |
1155 | return security_ops->socket_post_create(sock, family, type, | |
1156 | protocol, kern); | |
1157 | } | |
1158 | ||
1159 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) | |
1160 | { | |
1161 | return security_ops->socket_bind(sock, address, addrlen); | |
1162 | } | |
1163 | ||
1164 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1165 | { | |
1166 | return security_ops->socket_connect(sock, address, addrlen); | |
1167 | } | |
1168 | ||
1169 | int security_socket_listen(struct socket *sock, int backlog) | |
1170 | { | |
1171 | return security_ops->socket_listen(sock, backlog); | |
1172 | } | |
1173 | ||
1174 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1175 | { | |
1176 | return security_ops->socket_accept(sock, newsock); | |
1177 | } | |
1178 | ||
20510f2f JM |
1179 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1180 | { | |
1181 | return security_ops->socket_sendmsg(sock, msg, size); | |
1182 | } | |
1183 | ||
1184 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1185 | int size, int flags) | |
1186 | { | |
1187 | return security_ops->socket_recvmsg(sock, msg, size, flags); | |
1188 | } | |
1189 | ||
1190 | int security_socket_getsockname(struct socket *sock) | |
1191 | { | |
1192 | return security_ops->socket_getsockname(sock); | |
1193 | } | |
1194 | ||
1195 | int security_socket_getpeername(struct socket *sock) | |
1196 | { | |
1197 | return security_ops->socket_getpeername(sock); | |
1198 | } | |
1199 | ||
1200 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1201 | { | |
1202 | return security_ops->socket_getsockopt(sock, level, optname); | |
1203 | } | |
1204 | ||
1205 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1206 | { | |
1207 | return security_ops->socket_setsockopt(sock, level, optname); | |
1208 | } | |
1209 | ||
1210 | int security_socket_shutdown(struct socket *sock, int how) | |
1211 | { | |
1212 | return security_ops->socket_shutdown(sock, how); | |
1213 | } | |
1214 | ||
1215 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1216 | { | |
1217 | return security_ops->socket_sock_rcv_skb(sk, skb); | |
1218 | } | |
1219 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1220 | ||
1221 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1222 | int __user *optlen, unsigned len) | |
1223 | { | |
1224 | return security_ops->socket_getpeersec_stream(sock, optval, optlen, len); | |
1225 | } | |
1226 | ||
1227 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1228 | { | |
1229 | return security_ops->socket_getpeersec_dgram(sock, skb, secid); | |
1230 | } | |
1231 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1232 | ||
1233 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1234 | { | |
1235 | return security_ops->sk_alloc_security(sk, family, priority); | |
1236 | } | |
1237 | ||
1238 | void security_sk_free(struct sock *sk) | |
1239 | { | |
65fc7668 | 1240 | security_ops->sk_free_security(sk); |
20510f2f JM |
1241 | } |
1242 | ||
1243 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1244 | { | |
65fc7668 | 1245 | security_ops->sk_clone_security(sk, newsk); |
20510f2f | 1246 | } |
6230c9b4 | 1247 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1248 | |
1249 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1250 | { | |
1d28f42c | 1251 | security_ops->sk_getsecid(sk, &fl->flowi_secid); |
20510f2f JM |
1252 | } |
1253 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1254 | ||
1255 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1256 | { | |
1257 | security_ops->req_classify_flow(req, fl); | |
1258 | } | |
1259 | EXPORT_SYMBOL(security_req_classify_flow); | |
1260 | ||
1261 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1262 | { | |
1263 | security_ops->sock_graft(sk, parent); | |
1264 | } | |
1265 | EXPORT_SYMBOL(security_sock_graft); | |
1266 | ||
1267 | int security_inet_conn_request(struct sock *sk, | |
1268 | struct sk_buff *skb, struct request_sock *req) | |
1269 | { | |
1270 | return security_ops->inet_conn_request(sk, skb, req); | |
1271 | } | |
1272 | EXPORT_SYMBOL(security_inet_conn_request); | |
1273 | ||
1274 | void security_inet_csk_clone(struct sock *newsk, | |
1275 | const struct request_sock *req) | |
1276 | { | |
1277 | security_ops->inet_csk_clone(newsk, req); | |
1278 | } | |
1279 | ||
1280 | void security_inet_conn_established(struct sock *sk, | |
1281 | struct sk_buff *skb) | |
1282 | { | |
1283 | security_ops->inet_conn_established(sk, skb); | |
1284 | } | |
1285 | ||
2606fd1f EP |
1286 | int security_secmark_relabel_packet(u32 secid) |
1287 | { | |
1288 | return security_ops->secmark_relabel_packet(secid); | |
1289 | } | |
1290 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1291 | ||
1292 | void security_secmark_refcount_inc(void) | |
1293 | { | |
1294 | security_ops->secmark_refcount_inc(); | |
1295 | } | |
1296 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1297 | ||
1298 | void security_secmark_refcount_dec(void) | |
1299 | { | |
1300 | security_ops->secmark_refcount_dec(); | |
1301 | } | |
1302 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1303 | ||
5dbbaf2d PM |
1304 | int security_tun_dev_alloc_security(void **security) |
1305 | { | |
1306 | return security_ops->tun_dev_alloc_security(security); | |
1307 | } | |
1308 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1309 | ||
1310 | void security_tun_dev_free_security(void *security) | |
1311 | { | |
1312 | security_ops->tun_dev_free_security(security); | |
1313 | } | |
1314 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1315 | ||
2b980dbd PM |
1316 | int security_tun_dev_create(void) |
1317 | { | |
1318 | return security_ops->tun_dev_create(); | |
1319 | } | |
1320 | EXPORT_SYMBOL(security_tun_dev_create); | |
1321 | ||
5dbbaf2d | 1322 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1323 | { |
5dbbaf2d | 1324 | return security_ops->tun_dev_attach_queue(security); |
2b980dbd | 1325 | } |
5dbbaf2d | 1326 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1327 | |
5dbbaf2d | 1328 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1329 | { |
5dbbaf2d | 1330 | return security_ops->tun_dev_attach(sk, security); |
2b980dbd PM |
1331 | } |
1332 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1333 | ||
5dbbaf2d PM |
1334 | int security_tun_dev_open(void *security) |
1335 | { | |
1336 | return security_ops->tun_dev_open(security); | |
1337 | } | |
1338 | EXPORT_SYMBOL(security_tun_dev_open); | |
1339 | ||
ca10b9e9 ED |
1340 | void security_skb_owned_by(struct sk_buff *skb, struct sock *sk) |
1341 | { | |
1342 | security_ops->skb_owned_by(skb, sk); | |
1343 | } | |
1344 | ||
20510f2f JM |
1345 | #endif /* CONFIG_SECURITY_NETWORK */ |
1346 | ||
1347 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
1348 | ||
52a4c640 NA |
1349 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1350 | struct xfrm_user_sec_ctx *sec_ctx, | |
1351 | gfp_t gfp) | |
20510f2f | 1352 | { |
52a4c640 | 1353 | return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx, gfp); |
20510f2f JM |
1354 | } |
1355 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1356 | ||
03e1ad7b PM |
1357 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1358 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1359 | { |
03e1ad7b | 1360 | return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp); |
20510f2f JM |
1361 | } |
1362 | ||
03e1ad7b | 1363 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1364 | { |
03e1ad7b | 1365 | security_ops->xfrm_policy_free_security(ctx); |
20510f2f JM |
1366 | } |
1367 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1368 | ||
03e1ad7b | 1369 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1370 | { |
03e1ad7b | 1371 | return security_ops->xfrm_policy_delete_security(ctx); |
20510f2f JM |
1372 | } |
1373 | ||
2e5aa866 PM |
1374 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1375 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1376 | { |
2e5aa866 | 1377 | return security_ops->xfrm_state_alloc(x, sec_ctx); |
20510f2f JM |
1378 | } |
1379 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1380 | ||
1381 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1382 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1383 | { | |
2e5aa866 | 1384 | return security_ops->xfrm_state_alloc_acquire(x, polsec, secid); |
20510f2f JM |
1385 | } |
1386 | ||
1387 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1388 | { | |
1389 | return security_ops->xfrm_state_delete_security(x); | |
1390 | } | |
1391 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1392 | ||
1393 | void security_xfrm_state_free(struct xfrm_state *x) | |
1394 | { | |
1395 | security_ops->xfrm_state_free_security(x); | |
1396 | } | |
1397 | ||
03e1ad7b | 1398 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1399 | { |
03e1ad7b | 1400 | return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir); |
20510f2f JM |
1401 | } |
1402 | ||
1403 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1404 | struct xfrm_policy *xp, |
1405 | const struct flowi *fl) | |
20510f2f JM |
1406 | { |
1407 | return security_ops->xfrm_state_pol_flow_match(x, xp, fl); | |
1408 | } | |
1409 | ||
1410 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1411 | { | |
1412 | return security_ops->xfrm_decode_session(skb, secid, 1); | |
1413 | } | |
1414 | ||
1415 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1416 | { | |
1d28f42c | 1417 | int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0); |
20510f2f JM |
1418 | |
1419 | BUG_ON(rc); | |
1420 | } | |
1421 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1422 | ||
1423 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1424 | ||
1425 | #ifdef CONFIG_KEYS | |
1426 | ||
d84f4f99 DH |
1427 | int security_key_alloc(struct key *key, const struct cred *cred, |
1428 | unsigned long flags) | |
20510f2f | 1429 | { |
d84f4f99 | 1430 | return security_ops->key_alloc(key, cred, flags); |
20510f2f JM |
1431 | } |
1432 | ||
1433 | void security_key_free(struct key *key) | |
1434 | { | |
1435 | security_ops->key_free(key); | |
1436 | } | |
1437 | ||
1438 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1439 | const struct cred *cred, unsigned perm) |
20510f2f | 1440 | { |
d84f4f99 | 1441 | return security_ops->key_permission(key_ref, cred, perm); |
20510f2f JM |
1442 | } |
1443 | ||
70a5bb72 DH |
1444 | int security_key_getsecurity(struct key *key, char **_buffer) |
1445 | { | |
1446 | return security_ops->key_getsecurity(key, _buffer); | |
1447 | } | |
1448 | ||
20510f2f | 1449 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1450 | |
1451 | #ifdef CONFIG_AUDIT | |
1452 | ||
1453 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1454 | { | |
1455 | return security_ops->audit_rule_init(field, op, rulestr, lsmrule); | |
1456 | } | |
1457 | ||
1458 | int security_audit_rule_known(struct audit_krule *krule) | |
1459 | { | |
1460 | return security_ops->audit_rule_known(krule); | |
1461 | } | |
1462 | ||
1463 | void security_audit_rule_free(void *lsmrule) | |
1464 | { | |
1465 | security_ops->audit_rule_free(lsmrule); | |
1466 | } | |
1467 | ||
1468 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1469 | struct audit_context *actx) | |
1470 | { | |
1471 | return security_ops->audit_rule_match(secid, field, op, lsmrule, actx); | |
1472 | } | |
1473 | ||
1474 | #endif /* CONFIG_AUDIT */ |