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 | ||
79af7307 SS |
138 | int security_binder_set_context_mgr(struct task_struct *mgr) |
139 | { | |
140 | return security_ops->binder_set_context_mgr(mgr); | |
141 | } | |
142 | ||
143 | int security_binder_transaction(struct task_struct *from, | |
144 | struct task_struct *to) | |
145 | { | |
146 | return security_ops->binder_transaction(from, to); | |
147 | } | |
148 | ||
149 | int security_binder_transfer_binder(struct task_struct *from, | |
150 | struct task_struct *to) | |
151 | { | |
152 | return security_ops->binder_transfer_binder(from, to); | |
153 | } | |
154 | ||
155 | int security_binder_transfer_file(struct task_struct *from, | |
156 | struct task_struct *to, struct file *file) | |
157 | { | |
158 | return security_ops->binder_transfer_file(from, to, file); | |
159 | } | |
160 | ||
9e48858f | 161 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 162 | { |
c6993e4a KC |
163 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
164 | int rc; | |
165 | rc = yama_ptrace_access_check(child, mode); | |
166 | if (rc) | |
167 | return rc; | |
168 | #endif | |
9e48858f | 169 | return security_ops->ptrace_access_check(child, mode); |
5cd9c58f DH |
170 | } |
171 | ||
172 | int security_ptrace_traceme(struct task_struct *parent) | |
173 | { | |
c6993e4a KC |
174 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
175 | int rc; | |
176 | rc = yama_ptrace_traceme(parent); | |
177 | if (rc) | |
178 | return rc; | |
179 | #endif | |
5cd9c58f | 180 | return security_ops->ptrace_traceme(parent); |
20510f2f JM |
181 | } |
182 | ||
183 | int security_capget(struct task_struct *target, | |
184 | kernel_cap_t *effective, | |
185 | kernel_cap_t *inheritable, | |
186 | kernel_cap_t *permitted) | |
187 | { | |
188 | return security_ops->capget(target, effective, inheritable, permitted); | |
189 | } | |
190 | ||
d84f4f99 DH |
191 | int security_capset(struct cred *new, const struct cred *old, |
192 | const kernel_cap_t *effective, | |
193 | const kernel_cap_t *inheritable, | |
194 | const kernel_cap_t *permitted) | |
20510f2f | 195 | { |
d84f4f99 DH |
196 | return security_ops->capset(new, old, |
197 | effective, inheritable, permitted); | |
20510f2f JM |
198 | } |
199 | ||
b7e724d3 | 200 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 201 | int cap) |
20510f2f | 202 | { |
6a9de491 | 203 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
204 | } |
205 | ||
c7eba4a9 EP |
206 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
207 | int cap) | |
06112163 | 208 | { |
c7eba4a9 | 209 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
210 | } |
211 | ||
20510f2f JM |
212 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
213 | { | |
214 | return security_ops->quotactl(cmds, type, id, sb); | |
215 | } | |
216 | ||
217 | int security_quota_on(struct dentry *dentry) | |
218 | { | |
219 | return security_ops->quota_on(dentry); | |
220 | } | |
221 | ||
12b3052c | 222 | int security_syslog(int type) |
20510f2f | 223 | { |
12b3052c | 224 | return security_ops->syslog(type); |
20510f2f JM |
225 | } |
226 | ||
1e6d7679 | 227 | int security_settime(const struct timespec *ts, const struct timezone *tz) |
20510f2f JM |
228 | { |
229 | return security_ops->settime(ts, tz); | |
230 | } | |
231 | ||
20510f2f JM |
232 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
233 | { | |
234 | return security_ops->vm_enough_memory(mm, pages); | |
235 | } | |
236 | ||
a6f76f23 | 237 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 238 | { |
a6f76f23 | 239 | return security_ops->bprm_set_creds(bprm); |
20510f2f JM |
240 | } |
241 | ||
a6f76f23 | 242 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 243 | { |
6c21a7fb MZ |
244 | int ret; |
245 | ||
246 | ret = security_ops->bprm_check_security(bprm); | |
247 | if (ret) | |
248 | return ret; | |
249 | return ima_bprm_check(bprm); | |
20510f2f JM |
250 | } |
251 | ||
a6f76f23 | 252 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 253 | { |
200036ca | 254 | security_ops->bprm_committing_creds(bprm); |
20510f2f JM |
255 | } |
256 | ||
a6f76f23 | 257 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 258 | { |
200036ca | 259 | security_ops->bprm_committed_creds(bprm); |
20510f2f JM |
260 | } |
261 | ||
262 | int security_bprm_secureexec(struct linux_binprm *bprm) | |
263 | { | |
264 | return security_ops->bprm_secureexec(bprm); | |
265 | } | |
266 | ||
267 | int security_sb_alloc(struct super_block *sb) | |
268 | { | |
269 | return security_ops->sb_alloc_security(sb); | |
270 | } | |
271 | ||
272 | void security_sb_free(struct super_block *sb) | |
273 | { | |
274 | security_ops->sb_free_security(sb); | |
275 | } | |
276 | ||
e0007529 | 277 | int security_sb_copy_data(char *orig, char *copy) |
20510f2f | 278 | { |
e0007529 | 279 | return security_ops->sb_copy_data(orig, copy); |
20510f2f | 280 | } |
e0007529 | 281 | EXPORT_SYMBOL(security_sb_copy_data); |
20510f2f | 282 | |
ff36fe2c EP |
283 | int security_sb_remount(struct super_block *sb, void *data) |
284 | { | |
285 | return security_ops->sb_remount(sb, data); | |
286 | } | |
287 | ||
12204e24 | 288 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
20510f2f | 289 | { |
12204e24 | 290 | return security_ops->sb_kern_mount(sb, flags, data); |
20510f2f JM |
291 | } |
292 | ||
2069f457 EP |
293 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
294 | { | |
295 | return security_ops->sb_show_options(m, sb); | |
296 | } | |
297 | ||
20510f2f JM |
298 | int security_sb_statfs(struct dentry *dentry) |
299 | { | |
300 | return security_ops->sb_statfs(dentry); | |
301 | } | |
302 | ||
808d4e3c AV |
303 | int security_sb_mount(const char *dev_name, struct path *path, |
304 | const char *type, unsigned long flags, void *data) | |
20510f2f | 305 | { |
b5266eb4 | 306 | return security_ops->sb_mount(dev_name, path, type, flags, data); |
20510f2f JM |
307 | } |
308 | ||
20510f2f JM |
309 | int security_sb_umount(struct vfsmount *mnt, int flags) |
310 | { | |
311 | return security_ops->sb_umount(mnt, flags); | |
312 | } | |
313 | ||
b5266eb4 | 314 | int security_sb_pivotroot(struct path *old_path, struct path *new_path) |
20510f2f | 315 | { |
b5266eb4 | 316 | return security_ops->sb_pivotroot(old_path, new_path); |
20510f2f JM |
317 | } |
318 | ||
c9180a57 | 319 | int security_sb_set_mnt_opts(struct super_block *sb, |
649f6e77 DQ |
320 | struct security_mnt_opts *opts, |
321 | unsigned long kern_flags, | |
322 | unsigned long *set_kern_flags) | |
c9180a57 | 323 | { |
649f6e77 DQ |
324 | return security_ops->sb_set_mnt_opts(sb, opts, kern_flags, |
325 | set_kern_flags); | |
c9180a57 | 326 | } |
e0007529 | 327 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 328 | |
094f7b69 | 329 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
c9180a57 EP |
330 | struct super_block *newsb) |
331 | { | |
094f7b69 | 332 | return security_ops->sb_clone_mnt_opts(oldsb, newsb); |
c9180a57 | 333 | } |
e0007529 EP |
334 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
335 | ||
336 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
337 | { | |
338 | return security_ops->sb_parse_opts_str(options, opts); | |
339 | } | |
340 | EXPORT_SYMBOL(security_sb_parse_opts_str); | |
c9180a57 | 341 | |
20510f2f JM |
342 | int security_inode_alloc(struct inode *inode) |
343 | { | |
344 | inode->i_security = NULL; | |
bc7d2a3e | 345 | return security_ops->inode_alloc_security(inode); |
20510f2f JM |
346 | } |
347 | ||
348 | void security_inode_free(struct inode *inode) | |
349 | { | |
f381c272 | 350 | integrity_inode_free(inode); |
20510f2f JM |
351 | security_ops->inode_free_security(inode); |
352 | } | |
353 | ||
d47be3df DQ |
354 | int security_dentry_init_security(struct dentry *dentry, int mode, |
355 | struct qstr *name, void **ctx, | |
356 | u32 *ctxlen) | |
357 | { | |
358 | return security_ops->dentry_init_security(dentry, mode, name, | |
359 | ctx, ctxlen); | |
360 | } | |
361 | EXPORT_SYMBOL(security_dentry_init_security); | |
362 | ||
20510f2f | 363 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
364 | const struct qstr *qstr, |
365 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 366 | { |
823eb1cc MZ |
367 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
368 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
369 | int ret; |
370 | ||
20510f2f | 371 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 372 | return 0; |
9d8f13ba | 373 | |
9d8f13ba MZ |
374 | if (!initxattrs) |
375 | return security_ops->inode_init_security(inode, dir, qstr, | |
376 | NULL, NULL, NULL); | |
9548906b | 377 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
9d8f13ba MZ |
378 | lsm_xattr = new_xattrs; |
379 | ret = security_ops->inode_init_security(inode, dir, qstr, | |
380 | &lsm_xattr->name, | |
381 | &lsm_xattr->value, | |
382 | &lsm_xattr->value_len); | |
383 | if (ret) | |
384 | goto out; | |
823eb1cc MZ |
385 | |
386 | evm_xattr = lsm_xattr + 1; | |
387 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
388 | if (ret) | |
389 | goto out; | |
9d8f13ba MZ |
390 | ret = initxattrs(inode, new_xattrs, fs_data); |
391 | out: | |
9548906b | 392 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
823eb1cc | 393 | kfree(xattr->value); |
9d8f13ba MZ |
394 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
395 | } | |
396 | EXPORT_SYMBOL(security_inode_init_security); | |
397 | ||
398 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 399 | const struct qstr *qstr, const char **name, |
9d8f13ba | 400 | void **value, size_t *len) |
20510f2f JM |
401 | { |
402 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 403 | return -EOPNOTSUPP; |
2a7dba39 EP |
404 | return security_ops->inode_init_security(inode, dir, qstr, name, value, |
405 | len); | |
20510f2f | 406 | } |
9d8f13ba | 407 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 408 | |
be6d3e56 | 409 | #ifdef CONFIG_SECURITY_PATH |
04fc66e7 | 410 | int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
411 | unsigned int dev) |
412 | { | |
c6f493d6 | 413 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 414 | return 0; |
5d0901a3 | 415 | return security_ops->path_mknod(dir, dentry, mode, dev); |
be6d3e56 KT |
416 | } |
417 | EXPORT_SYMBOL(security_path_mknod); | |
418 | ||
4572befe | 419 | int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 420 | { |
c6f493d6 | 421 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 422 | return 0; |
5d0901a3 | 423 | return security_ops->path_mkdir(dir, dentry, mode); |
be6d3e56 | 424 | } |
82140443 | 425 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 426 | |
5d0901a3 | 427 | int security_path_rmdir(struct path *dir, struct dentry *dentry) |
be6d3e56 | 428 | { |
c6f493d6 | 429 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 430 | return 0; |
5d0901a3 | 431 | return security_ops->path_rmdir(dir, dentry); |
be6d3e56 KT |
432 | } |
433 | ||
5d0901a3 | 434 | int security_path_unlink(struct path *dir, struct dentry *dentry) |
be6d3e56 | 435 | { |
c6f493d6 | 436 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 437 | return 0; |
5d0901a3 | 438 | return security_ops->path_unlink(dir, dentry); |
be6d3e56 | 439 | } |
82140443 | 440 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 441 | |
5d0901a3 | 442 | int security_path_symlink(struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
443 | const char *old_name) |
444 | { | |
c6f493d6 | 445 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 446 | return 0; |
5d0901a3 | 447 | return security_ops->path_symlink(dir, dentry, old_name); |
be6d3e56 KT |
448 | } |
449 | ||
450 | int security_path_link(struct dentry *old_dentry, struct path *new_dir, | |
451 | struct dentry *new_dentry) | |
452 | { | |
c6f493d6 | 453 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
be6d3e56 KT |
454 | return 0; |
455 | return security_ops->path_link(old_dentry, new_dir, new_dentry); | |
456 | } | |
457 | ||
458 | int security_path_rename(struct path *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
459 | struct path *new_dir, struct dentry *new_dentry, |
460 | unsigned int flags) | |
be6d3e56 | 461 | { |
c6f493d6 DH |
462 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
463 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
be6d3e56 | 464 | return 0; |
da1ce067 MS |
465 | |
466 | if (flags & RENAME_EXCHANGE) { | |
467 | int err = security_ops->path_rename(new_dir, new_dentry, | |
468 | old_dir, old_dentry); | |
469 | if (err) | |
470 | return err; | |
471 | } | |
472 | ||
be6d3e56 KT |
473 | return security_ops->path_rename(old_dir, old_dentry, new_dir, |
474 | new_dentry); | |
475 | } | |
82140443 | 476 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 477 | |
ea0d3ab2 | 478 | int security_path_truncate(struct path *path) |
be6d3e56 | 479 | { |
c6f493d6 | 480 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
be6d3e56 | 481 | return 0; |
ea0d3ab2 | 482 | return security_ops->path_truncate(path); |
be6d3e56 | 483 | } |
89eda068 | 484 | |
cdcf116d | 485 | int security_path_chmod(struct path *path, umode_t mode) |
89eda068 | 486 | { |
c6f493d6 | 487 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 488 | return 0; |
cdcf116d | 489 | return security_ops->path_chmod(path, mode); |
89eda068 TH |
490 | } |
491 | ||
d2b31ca6 | 492 | int security_path_chown(struct path *path, kuid_t uid, kgid_t gid) |
89eda068 | 493 | { |
c6f493d6 | 494 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 TH |
495 | return 0; |
496 | return security_ops->path_chown(path, uid, gid); | |
497 | } | |
8b8efb44 TH |
498 | |
499 | int security_path_chroot(struct path *path) | |
500 | { | |
501 | return security_ops->path_chroot(path); | |
502 | } | |
be6d3e56 KT |
503 | #endif |
504 | ||
4acdaf27 | 505 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
506 | { |
507 | if (unlikely(IS_PRIVATE(dir))) | |
508 | return 0; | |
509 | return security_ops->inode_create(dir, dentry, mode); | |
510 | } | |
800a9647 | 511 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
512 | |
513 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
514 | struct dentry *new_dentry) | |
515 | { | |
c6f493d6 | 516 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
20510f2f JM |
517 | return 0; |
518 | return security_ops->inode_link(old_dentry, dir, new_dentry); | |
519 | } | |
520 | ||
521 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
522 | { | |
c6f493d6 | 523 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f JM |
524 | return 0; |
525 | return security_ops->inode_unlink(dir, dentry); | |
526 | } | |
527 | ||
528 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
529 | const char *old_name) | |
530 | { | |
531 | if (unlikely(IS_PRIVATE(dir))) | |
532 | return 0; | |
533 | return security_ops->inode_symlink(dir, dentry, old_name); | |
534 | } | |
535 | ||
18bb1db3 | 536 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
537 | { |
538 | if (unlikely(IS_PRIVATE(dir))) | |
539 | return 0; | |
540 | return security_ops->inode_mkdir(dir, dentry, mode); | |
541 | } | |
800a9647 | 542 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
543 | |
544 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
545 | { | |
c6f493d6 | 546 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f JM |
547 | return 0; |
548 | return security_ops->inode_rmdir(dir, dentry); | |
549 | } | |
550 | ||
1a67aafb | 551 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
552 | { |
553 | if (unlikely(IS_PRIVATE(dir))) | |
554 | return 0; | |
555 | return security_ops->inode_mknod(dir, dentry, mode, dev); | |
556 | } | |
557 | ||
558 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
559 | struct inode *new_dir, struct dentry *new_dentry, |
560 | unsigned int flags) | |
20510f2f | 561 | { |
c6f493d6 DH |
562 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
563 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
20510f2f | 564 | return 0; |
da1ce067 MS |
565 | |
566 | if (flags & RENAME_EXCHANGE) { | |
567 | int err = security_ops->inode_rename(new_dir, new_dentry, | |
568 | old_dir, old_dentry); | |
569 | if (err) | |
570 | return err; | |
571 | } | |
572 | ||
20510f2f JM |
573 | return security_ops->inode_rename(old_dir, old_dentry, |
574 | new_dir, new_dentry); | |
575 | } | |
576 | ||
577 | int security_inode_readlink(struct dentry *dentry) | |
578 | { | |
c6f493d6 | 579 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f JM |
580 | return 0; |
581 | return security_ops->inode_readlink(dentry); | |
582 | } | |
583 | ||
bda0be7a N |
584 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
585 | bool rcu) | |
20510f2f | 586 | { |
bda0be7a | 587 | if (unlikely(IS_PRIVATE(inode))) |
20510f2f | 588 | return 0; |
bda0be7a | 589 | return security_ops->inode_follow_link(dentry, inode, rcu); |
20510f2f JM |
590 | } |
591 | ||
b77b0646 | 592 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
593 | { |
594 | if (unlikely(IS_PRIVATE(inode))) | |
595 | return 0; | |
e74f71eb | 596 | return security_ops->inode_permission(inode, mask); |
20510f2f JM |
597 | } |
598 | ||
599 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
600 | { | |
817b54aa MZ |
601 | int ret; |
602 | ||
c6f493d6 | 603 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 604 | return 0; |
817b54aa MZ |
605 | ret = security_ops->inode_setattr(dentry, attr); |
606 | if (ret) | |
607 | return ret; | |
608 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 609 | } |
b1da47e2 | 610 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 611 | |
3f7036a0 | 612 | int security_inode_getattr(const struct path *path) |
20510f2f | 613 | { |
c6f493d6 | 614 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 615 | return 0; |
3f7036a0 | 616 | return security_ops->inode_getattr(path); |
20510f2f JM |
617 | } |
618 | ||
8f0cfa52 DH |
619 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
620 | const void *value, size_t size, int flags) | |
20510f2f | 621 | { |
3e1be52d MZ |
622 | int ret; |
623 | ||
c6f493d6 | 624 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 625 | return 0; |
3e1be52d | 626 | ret = security_ops->inode_setxattr(dentry, name, value, size, flags); |
42c63330 MZ |
627 | if (ret) |
628 | return ret; | |
629 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
630 | if (ret) |
631 | return ret; | |
632 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
633 | } |
634 | ||
8f0cfa52 DH |
635 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
636 | const void *value, size_t size, int flags) | |
20510f2f | 637 | { |
c6f493d6 | 638 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f JM |
639 | return; |
640 | security_ops->inode_post_setxattr(dentry, name, value, size, flags); | |
3e1be52d | 641 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
642 | } |
643 | ||
8f0cfa52 | 644 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 645 | { |
c6f493d6 | 646 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f JM |
647 | return 0; |
648 | return security_ops->inode_getxattr(dentry, name); | |
649 | } | |
650 | ||
651 | int security_inode_listxattr(struct dentry *dentry) | |
652 | { | |
c6f493d6 | 653 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f JM |
654 | return 0; |
655 | return security_ops->inode_listxattr(dentry); | |
656 | } | |
657 | ||
8f0cfa52 | 658 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 659 | { |
3e1be52d MZ |
660 | int ret; |
661 | ||
c6f493d6 | 662 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 663 | return 0; |
3e1be52d | 664 | ret = security_ops->inode_removexattr(dentry, name); |
42c63330 MZ |
665 | if (ret) |
666 | return ret; | |
667 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
668 | if (ret) |
669 | return ret; | |
670 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
671 | } |
672 | ||
b5376771 SH |
673 | int security_inode_need_killpriv(struct dentry *dentry) |
674 | { | |
675 | return security_ops->inode_need_killpriv(dentry); | |
676 | } | |
677 | ||
678 | int security_inode_killpriv(struct dentry *dentry) | |
679 | { | |
680 | return security_ops->inode_killpriv(dentry); | |
681 | } | |
682 | ||
42492594 | 683 | int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f JM |
684 | { |
685 | if (unlikely(IS_PRIVATE(inode))) | |
8d952504 | 686 | return -EOPNOTSUPP; |
42492594 | 687 | return security_ops->inode_getsecurity(inode, name, buffer, alloc); |
20510f2f JM |
688 | } |
689 | ||
690 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
691 | { | |
692 | if (unlikely(IS_PRIVATE(inode))) | |
8d952504 | 693 | return -EOPNOTSUPP; |
20510f2f JM |
694 | return security_ops->inode_setsecurity(inode, name, value, size, flags); |
695 | } | |
696 | ||
697 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
698 | { | |
699 | if (unlikely(IS_PRIVATE(inode))) | |
700 | return 0; | |
701 | return security_ops->inode_listsecurity(inode, buffer, buffer_size); | |
702 | } | |
c9bccef6 | 703 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 704 | |
8a076191 AD |
705 | void security_inode_getsecid(const struct inode *inode, u32 *secid) |
706 | { | |
707 | security_ops->inode_getsecid(inode, secid); | |
708 | } | |
709 | ||
20510f2f JM |
710 | int security_file_permission(struct file *file, int mask) |
711 | { | |
c4ec54b4 EP |
712 | int ret; |
713 | ||
714 | ret = security_ops->file_permission(file, mask); | |
715 | if (ret) | |
716 | return ret; | |
717 | ||
718 | return fsnotify_perm(file, mask); | |
20510f2f JM |
719 | } |
720 | ||
721 | int security_file_alloc(struct file *file) | |
722 | { | |
723 | return security_ops->file_alloc_security(file); | |
724 | } | |
725 | ||
726 | void security_file_free(struct file *file) | |
727 | { | |
728 | security_ops->file_free_security(file); | |
729 | } | |
730 | ||
731 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
732 | { | |
733 | return security_ops->file_ioctl(file, cmd, arg); | |
734 | } | |
735 | ||
98de59bf | 736 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 737 | { |
8b3ec681 | 738 | /* |
98de59bf AV |
739 | * Does we have PROT_READ and does the application expect |
740 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 741 | */ |
98de59bf AV |
742 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
743 | return prot; | |
8b3ec681 | 744 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
745 | return prot; |
746 | /* | |
747 | * if that's an anonymous mapping, let it. | |
748 | */ | |
749 | if (!file) | |
750 | return prot | PROT_EXEC; | |
751 | /* | |
752 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 753 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf AV |
754 | */ |
755 | if (!(file->f_path.mnt->mnt_flags & MNT_NOEXEC)) { | |
8b3ec681 | 756 | #ifndef CONFIG_MMU |
b4caecd4 CH |
757 | if (file->f_op->mmap_capabilities) { |
758 | unsigned caps = file->f_op->mmap_capabilities(file); | |
759 | if (!(caps & NOMMU_MAP_EXEC)) | |
760 | return prot; | |
761 | } | |
8b3ec681 | 762 | #endif |
98de59bf | 763 | return prot | PROT_EXEC; |
8b3ec681 | 764 | } |
98de59bf AV |
765 | /* anything on noexec mount won't get PROT_EXEC */ |
766 | return prot; | |
767 | } | |
768 | ||
769 | int security_mmap_file(struct file *file, unsigned long prot, | |
770 | unsigned long flags) | |
771 | { | |
772 | int ret; | |
773 | ret = security_ops->mmap_file(file, prot, | |
774 | mmap_prot(file, prot), flags); | |
6c21a7fb MZ |
775 | if (ret) |
776 | return ret; | |
777 | return ima_file_mmap(file, prot); | |
20510f2f JM |
778 | } |
779 | ||
e5467859 AV |
780 | int security_mmap_addr(unsigned long addr) |
781 | { | |
782 | return security_ops->mmap_addr(addr); | |
783 | } | |
784 | ||
20510f2f JM |
785 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
786 | unsigned long prot) | |
787 | { | |
788 | return security_ops->file_mprotect(vma, reqprot, prot); | |
789 | } | |
790 | ||
791 | int security_file_lock(struct file *file, unsigned int cmd) | |
792 | { | |
793 | return security_ops->file_lock(file, cmd); | |
794 | } | |
795 | ||
796 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
797 | { | |
798 | return security_ops->file_fcntl(file, cmd, arg); | |
799 | } | |
800 | ||
e0b93edd | 801 | void security_file_set_fowner(struct file *file) |
20510f2f | 802 | { |
e0b93edd | 803 | security_ops->file_set_fowner(file); |
20510f2f JM |
804 | } |
805 | ||
806 | int security_file_send_sigiotask(struct task_struct *tsk, | |
807 | struct fown_struct *fown, int sig) | |
808 | { | |
809 | return security_ops->file_send_sigiotask(tsk, fown, sig); | |
810 | } | |
811 | ||
812 | int security_file_receive(struct file *file) | |
813 | { | |
814 | return security_ops->file_receive(file); | |
815 | } | |
816 | ||
83d49856 | 817 | int security_file_open(struct file *file, const struct cred *cred) |
20510f2f | 818 | { |
c4ec54b4 EP |
819 | int ret; |
820 | ||
83d49856 | 821 | ret = security_ops->file_open(file, cred); |
c4ec54b4 EP |
822 | if (ret) |
823 | return ret; | |
824 | ||
825 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
826 | } |
827 | ||
828 | int security_task_create(unsigned long clone_flags) | |
829 | { | |
830 | return security_ops->task_create(clone_flags); | |
831 | } | |
832 | ||
1a2a4d06 KC |
833 | void security_task_free(struct task_struct *task) |
834 | { | |
c6993e4a KC |
835 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
836 | yama_task_free(task); | |
837 | #endif | |
1a2a4d06 KC |
838 | security_ops->task_free(task); |
839 | } | |
840 | ||
ee18d64c DH |
841 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
842 | { | |
843 | return security_ops->cred_alloc_blank(cred, gfp); | |
844 | } | |
845 | ||
d84f4f99 | 846 | void security_cred_free(struct cred *cred) |
20510f2f | 847 | { |
d84f4f99 | 848 | security_ops->cred_free(cred); |
20510f2f JM |
849 | } |
850 | ||
d84f4f99 | 851 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 852 | { |
d84f4f99 DH |
853 | return security_ops->cred_prepare(new, old, gfp); |
854 | } | |
855 | ||
ee18d64c DH |
856 | void security_transfer_creds(struct cred *new, const struct cred *old) |
857 | { | |
858 | security_ops->cred_transfer(new, old); | |
859 | } | |
860 | ||
3a3b7ce9 DH |
861 | int security_kernel_act_as(struct cred *new, u32 secid) |
862 | { | |
863 | return security_ops->kernel_act_as(new, secid); | |
864 | } | |
865 | ||
866 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
867 | { | |
868 | return security_ops->kernel_create_files_as(new, inode); | |
869 | } | |
870 | ||
13752fe2 KC |
871 | int security_kernel_fw_from_file(struct file *file, char *buf, size_t size) |
872 | { | |
5a9196d7 MZ |
873 | int ret; |
874 | ||
875 | ret = security_ops->kernel_fw_from_file(file, buf, size); | |
876 | if (ret) | |
877 | return ret; | |
878 | return ima_fw_from_file(file, buf, size); | |
13752fe2 KC |
879 | } |
880 | EXPORT_SYMBOL_GPL(security_kernel_fw_from_file); | |
881 | ||
dd8dbf2e | 882 | int security_kernel_module_request(char *kmod_name) |
9188499c | 883 | { |
dd8dbf2e | 884 | return security_ops->kernel_module_request(kmod_name); |
9188499c EP |
885 | } |
886 | ||
2e72d51b KC |
887 | int security_kernel_module_from_file(struct file *file) |
888 | { | |
fdf90729 MZ |
889 | int ret; |
890 | ||
891 | ret = security_ops->kernel_module_from_file(file); | |
892 | if (ret) | |
893 | return ret; | |
894 | return ima_module_check(file); | |
2e72d51b KC |
895 | } |
896 | ||
d84f4f99 DH |
897 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
898 | int flags) | |
20510f2f | 899 | { |
d84f4f99 | 900 | return security_ops->task_fix_setuid(new, old, flags); |
20510f2f JM |
901 | } |
902 | ||
20510f2f JM |
903 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
904 | { | |
905 | return security_ops->task_setpgid(p, pgid); | |
906 | } | |
907 | ||
908 | int security_task_getpgid(struct task_struct *p) | |
909 | { | |
910 | return security_ops->task_getpgid(p); | |
911 | } | |
912 | ||
913 | int security_task_getsid(struct task_struct *p) | |
914 | { | |
915 | return security_ops->task_getsid(p); | |
916 | } | |
917 | ||
918 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
919 | { | |
920 | security_ops->task_getsecid(p, secid); | |
921 | } | |
922 | EXPORT_SYMBOL(security_task_getsecid); | |
923 | ||
20510f2f JM |
924 | int security_task_setnice(struct task_struct *p, int nice) |
925 | { | |
926 | return security_ops->task_setnice(p, nice); | |
927 | } | |
928 | ||
929 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
930 | { | |
931 | return security_ops->task_setioprio(p, ioprio); | |
932 | } | |
933 | ||
934 | int security_task_getioprio(struct task_struct *p) | |
935 | { | |
936 | return security_ops->task_getioprio(p); | |
937 | } | |
938 | ||
8fd00b4d JS |
939 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
940 | struct rlimit *new_rlim) | |
20510f2f | 941 | { |
8fd00b4d | 942 | return security_ops->task_setrlimit(p, resource, new_rlim); |
20510f2f JM |
943 | } |
944 | ||
b0ae1981 | 945 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 946 | { |
b0ae1981 | 947 | return security_ops->task_setscheduler(p); |
20510f2f JM |
948 | } |
949 | ||
950 | int security_task_getscheduler(struct task_struct *p) | |
951 | { | |
952 | return security_ops->task_getscheduler(p); | |
953 | } | |
954 | ||
955 | int security_task_movememory(struct task_struct *p) | |
956 | { | |
957 | return security_ops->task_movememory(p); | |
958 | } | |
959 | ||
960 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
961 | int sig, u32 secid) | |
962 | { | |
963 | return security_ops->task_kill(p, info, sig, secid); | |
964 | } | |
965 | ||
966 | int security_task_wait(struct task_struct *p) | |
967 | { | |
968 | return security_ops->task_wait(p); | |
969 | } | |
970 | ||
971 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, | |
d84f4f99 | 972 | unsigned long arg4, unsigned long arg5) |
20510f2f | 973 | { |
c6993e4a KC |
974 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
975 | int rc; | |
976 | rc = yama_task_prctl(option, arg2, arg3, arg4, arg5); | |
977 | if (rc != -ENOSYS) | |
978 | return rc; | |
979 | #endif | |
d84f4f99 | 980 | return security_ops->task_prctl(option, arg2, arg3, arg4, arg5); |
20510f2f JM |
981 | } |
982 | ||
983 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
984 | { | |
985 | security_ops->task_to_inode(p, inode); | |
986 | } | |
987 | ||
988 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
989 | { | |
990 | return security_ops->ipc_permission(ipcp, flag); | |
991 | } | |
992 | ||
8a076191 AD |
993 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
994 | { | |
995 | security_ops->ipc_getsecid(ipcp, secid); | |
996 | } | |
997 | ||
20510f2f JM |
998 | int security_msg_msg_alloc(struct msg_msg *msg) |
999 | { | |
1000 | return security_ops->msg_msg_alloc_security(msg); | |
1001 | } | |
1002 | ||
1003 | void security_msg_msg_free(struct msg_msg *msg) | |
1004 | { | |
1005 | security_ops->msg_msg_free_security(msg); | |
1006 | } | |
1007 | ||
1008 | int security_msg_queue_alloc(struct msg_queue *msq) | |
1009 | { | |
1010 | return security_ops->msg_queue_alloc_security(msq); | |
1011 | } | |
1012 | ||
1013 | void security_msg_queue_free(struct msg_queue *msq) | |
1014 | { | |
1015 | security_ops->msg_queue_free_security(msq); | |
1016 | } | |
1017 | ||
1018 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
1019 | { | |
1020 | return security_ops->msg_queue_associate(msq, msqflg); | |
1021 | } | |
1022 | ||
1023 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
1024 | { | |
1025 | return security_ops->msg_queue_msgctl(msq, cmd); | |
1026 | } | |
1027 | ||
1028 | int security_msg_queue_msgsnd(struct msg_queue *msq, | |
1029 | struct msg_msg *msg, int msqflg) | |
1030 | { | |
1031 | return security_ops->msg_queue_msgsnd(msq, msg, msqflg); | |
1032 | } | |
1033 | ||
1034 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
1035 | struct task_struct *target, long type, int mode) | |
1036 | { | |
1037 | return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode); | |
1038 | } | |
1039 | ||
1040 | int security_shm_alloc(struct shmid_kernel *shp) | |
1041 | { | |
1042 | return security_ops->shm_alloc_security(shp); | |
1043 | } | |
1044 | ||
1045 | void security_shm_free(struct shmid_kernel *shp) | |
1046 | { | |
1047 | security_ops->shm_free_security(shp); | |
1048 | } | |
1049 | ||
1050 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) | |
1051 | { | |
1052 | return security_ops->shm_associate(shp, shmflg); | |
1053 | } | |
1054 | ||
1055 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
1056 | { | |
1057 | return security_ops->shm_shmctl(shp, cmd); | |
1058 | } | |
1059 | ||
1060 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) | |
1061 | { | |
1062 | return security_ops->shm_shmat(shp, shmaddr, shmflg); | |
1063 | } | |
1064 | ||
1065 | int security_sem_alloc(struct sem_array *sma) | |
1066 | { | |
1067 | return security_ops->sem_alloc_security(sma); | |
1068 | } | |
1069 | ||
1070 | void security_sem_free(struct sem_array *sma) | |
1071 | { | |
1072 | security_ops->sem_free_security(sma); | |
1073 | } | |
1074 | ||
1075 | int security_sem_associate(struct sem_array *sma, int semflg) | |
1076 | { | |
1077 | return security_ops->sem_associate(sma, semflg); | |
1078 | } | |
1079 | ||
1080 | int security_sem_semctl(struct sem_array *sma, int cmd) | |
1081 | { | |
1082 | return security_ops->sem_semctl(sma, cmd); | |
1083 | } | |
1084 | ||
1085 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
1086 | unsigned nsops, int alter) | |
1087 | { | |
1088 | return security_ops->sem_semop(sma, sops, nsops, alter); | |
1089 | } | |
1090 | ||
1091 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1092 | { | |
1093 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1094 | return; | |
1095 | security_ops->d_instantiate(dentry, inode); | |
1096 | } | |
1097 | EXPORT_SYMBOL(security_d_instantiate); | |
1098 | ||
1099 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1100 | { | |
1101 | return security_ops->getprocattr(p, name, value); | |
1102 | } | |
1103 | ||
1104 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) | |
1105 | { | |
1106 | return security_ops->setprocattr(p, name, value, size); | |
1107 | } | |
1108 | ||
1109 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1110 | { | |
1111 | return security_ops->netlink_send(sk, skb); | |
1112 | } | |
20510f2f | 1113 | |
746df9b5 DQ |
1114 | int security_ismaclabel(const char *name) |
1115 | { | |
1116 | return security_ops->ismaclabel(name); | |
1117 | } | |
1118 | EXPORT_SYMBOL(security_ismaclabel); | |
1119 | ||
20510f2f JM |
1120 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1121 | { | |
1122 | return security_ops->secid_to_secctx(secid, secdata, seclen); | |
1123 | } | |
1124 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1125 | ||
7bf570dc | 1126 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 DH |
1127 | { |
1128 | return security_ops->secctx_to_secid(secdata, seclen, secid); | |
1129 | } | |
1130 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1131 | ||
20510f2f JM |
1132 | void security_release_secctx(char *secdata, u32 seclen) |
1133 | { | |
65fc7668 | 1134 | security_ops->release_secctx(secdata, seclen); |
20510f2f JM |
1135 | } |
1136 | EXPORT_SYMBOL(security_release_secctx); | |
1137 | ||
1ee65e37 DQ |
1138 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1139 | { | |
1140 | return security_ops->inode_notifysecctx(inode, ctx, ctxlen); | |
1141 | } | |
1142 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1143 | ||
1144 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1145 | { | |
1146 | return security_ops->inode_setsecctx(dentry, ctx, ctxlen); | |
1147 | } | |
1148 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1149 | ||
1150 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1151 | { | |
1152 | return security_ops->inode_getsecctx(inode, ctx, ctxlen); | |
1153 | } | |
1154 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1155 | ||
20510f2f JM |
1156 | #ifdef CONFIG_SECURITY_NETWORK |
1157 | ||
3610cda5 | 1158 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f JM |
1159 | { |
1160 | return security_ops->unix_stream_connect(sock, other, newsk); | |
1161 | } | |
1162 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1163 | ||
1164 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1165 | { | |
1166 | return security_ops->unix_may_send(sock, other); | |
1167 | } | |
1168 | EXPORT_SYMBOL(security_unix_may_send); | |
1169 | ||
1170 | int security_socket_create(int family, int type, int protocol, int kern) | |
1171 | { | |
1172 | return security_ops->socket_create(family, type, protocol, kern); | |
1173 | } | |
1174 | ||
1175 | int security_socket_post_create(struct socket *sock, int family, | |
1176 | int type, int protocol, int kern) | |
1177 | { | |
1178 | return security_ops->socket_post_create(sock, family, type, | |
1179 | protocol, kern); | |
1180 | } | |
1181 | ||
1182 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) | |
1183 | { | |
1184 | return security_ops->socket_bind(sock, address, addrlen); | |
1185 | } | |
1186 | ||
1187 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1188 | { | |
1189 | return security_ops->socket_connect(sock, address, addrlen); | |
1190 | } | |
1191 | ||
1192 | int security_socket_listen(struct socket *sock, int backlog) | |
1193 | { | |
1194 | return security_ops->socket_listen(sock, backlog); | |
1195 | } | |
1196 | ||
1197 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1198 | { | |
1199 | return security_ops->socket_accept(sock, newsock); | |
1200 | } | |
1201 | ||
20510f2f JM |
1202 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1203 | { | |
1204 | return security_ops->socket_sendmsg(sock, msg, size); | |
1205 | } | |
1206 | ||
1207 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1208 | int size, int flags) | |
1209 | { | |
1210 | return security_ops->socket_recvmsg(sock, msg, size, flags); | |
1211 | } | |
1212 | ||
1213 | int security_socket_getsockname(struct socket *sock) | |
1214 | { | |
1215 | return security_ops->socket_getsockname(sock); | |
1216 | } | |
1217 | ||
1218 | int security_socket_getpeername(struct socket *sock) | |
1219 | { | |
1220 | return security_ops->socket_getpeername(sock); | |
1221 | } | |
1222 | ||
1223 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1224 | { | |
1225 | return security_ops->socket_getsockopt(sock, level, optname); | |
1226 | } | |
1227 | ||
1228 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1229 | { | |
1230 | return security_ops->socket_setsockopt(sock, level, optname); | |
1231 | } | |
1232 | ||
1233 | int security_socket_shutdown(struct socket *sock, int how) | |
1234 | { | |
1235 | return security_ops->socket_shutdown(sock, how); | |
1236 | } | |
1237 | ||
1238 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1239 | { | |
1240 | return security_ops->socket_sock_rcv_skb(sk, skb); | |
1241 | } | |
1242 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1243 | ||
1244 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1245 | int __user *optlen, unsigned len) | |
1246 | { | |
1247 | return security_ops->socket_getpeersec_stream(sock, optval, optlen, len); | |
1248 | } | |
1249 | ||
1250 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1251 | { | |
1252 | return security_ops->socket_getpeersec_dgram(sock, skb, secid); | |
1253 | } | |
1254 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1255 | ||
1256 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1257 | { | |
1258 | return security_ops->sk_alloc_security(sk, family, priority); | |
1259 | } | |
1260 | ||
1261 | void security_sk_free(struct sock *sk) | |
1262 | { | |
65fc7668 | 1263 | security_ops->sk_free_security(sk); |
20510f2f JM |
1264 | } |
1265 | ||
1266 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1267 | { | |
65fc7668 | 1268 | security_ops->sk_clone_security(sk, newsk); |
20510f2f | 1269 | } |
6230c9b4 | 1270 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1271 | |
1272 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1273 | { | |
1d28f42c | 1274 | security_ops->sk_getsecid(sk, &fl->flowi_secid); |
20510f2f JM |
1275 | } |
1276 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1277 | ||
1278 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1279 | { | |
1280 | security_ops->req_classify_flow(req, fl); | |
1281 | } | |
1282 | EXPORT_SYMBOL(security_req_classify_flow); | |
1283 | ||
1284 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1285 | { | |
1286 | security_ops->sock_graft(sk, parent); | |
1287 | } | |
1288 | EXPORT_SYMBOL(security_sock_graft); | |
1289 | ||
1290 | int security_inet_conn_request(struct sock *sk, | |
1291 | struct sk_buff *skb, struct request_sock *req) | |
1292 | { | |
1293 | return security_ops->inet_conn_request(sk, skb, req); | |
1294 | } | |
1295 | EXPORT_SYMBOL(security_inet_conn_request); | |
1296 | ||
1297 | void security_inet_csk_clone(struct sock *newsk, | |
1298 | const struct request_sock *req) | |
1299 | { | |
1300 | security_ops->inet_csk_clone(newsk, req); | |
1301 | } | |
1302 | ||
1303 | void security_inet_conn_established(struct sock *sk, | |
1304 | struct sk_buff *skb) | |
1305 | { | |
1306 | security_ops->inet_conn_established(sk, skb); | |
1307 | } | |
1308 | ||
2606fd1f EP |
1309 | int security_secmark_relabel_packet(u32 secid) |
1310 | { | |
1311 | return security_ops->secmark_relabel_packet(secid); | |
1312 | } | |
1313 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1314 | ||
1315 | void security_secmark_refcount_inc(void) | |
1316 | { | |
1317 | security_ops->secmark_refcount_inc(); | |
1318 | } | |
1319 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1320 | ||
1321 | void security_secmark_refcount_dec(void) | |
1322 | { | |
1323 | security_ops->secmark_refcount_dec(); | |
1324 | } | |
1325 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1326 | ||
5dbbaf2d PM |
1327 | int security_tun_dev_alloc_security(void **security) |
1328 | { | |
1329 | return security_ops->tun_dev_alloc_security(security); | |
1330 | } | |
1331 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1332 | ||
1333 | void security_tun_dev_free_security(void *security) | |
1334 | { | |
1335 | security_ops->tun_dev_free_security(security); | |
1336 | } | |
1337 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1338 | ||
2b980dbd PM |
1339 | int security_tun_dev_create(void) |
1340 | { | |
1341 | return security_ops->tun_dev_create(); | |
1342 | } | |
1343 | EXPORT_SYMBOL(security_tun_dev_create); | |
1344 | ||
5dbbaf2d | 1345 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1346 | { |
5dbbaf2d | 1347 | return security_ops->tun_dev_attach_queue(security); |
2b980dbd | 1348 | } |
5dbbaf2d | 1349 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1350 | |
5dbbaf2d | 1351 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1352 | { |
5dbbaf2d | 1353 | return security_ops->tun_dev_attach(sk, security); |
2b980dbd PM |
1354 | } |
1355 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1356 | ||
5dbbaf2d PM |
1357 | int security_tun_dev_open(void *security) |
1358 | { | |
1359 | return security_ops->tun_dev_open(security); | |
1360 | } | |
1361 | EXPORT_SYMBOL(security_tun_dev_open); | |
1362 | ||
20510f2f JM |
1363 | #endif /* CONFIG_SECURITY_NETWORK */ |
1364 | ||
1365 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
1366 | ||
52a4c640 NA |
1367 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1368 | struct xfrm_user_sec_ctx *sec_ctx, | |
1369 | gfp_t gfp) | |
20510f2f | 1370 | { |
52a4c640 | 1371 | return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx, gfp); |
20510f2f JM |
1372 | } |
1373 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1374 | ||
03e1ad7b PM |
1375 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1376 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1377 | { |
03e1ad7b | 1378 | return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp); |
20510f2f JM |
1379 | } |
1380 | ||
03e1ad7b | 1381 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1382 | { |
03e1ad7b | 1383 | security_ops->xfrm_policy_free_security(ctx); |
20510f2f JM |
1384 | } |
1385 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1386 | ||
03e1ad7b | 1387 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1388 | { |
03e1ad7b | 1389 | return security_ops->xfrm_policy_delete_security(ctx); |
20510f2f JM |
1390 | } |
1391 | ||
2e5aa866 PM |
1392 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1393 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1394 | { |
2e5aa866 | 1395 | return security_ops->xfrm_state_alloc(x, sec_ctx); |
20510f2f JM |
1396 | } |
1397 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1398 | ||
1399 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1400 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1401 | { | |
2e5aa866 | 1402 | return security_ops->xfrm_state_alloc_acquire(x, polsec, secid); |
20510f2f JM |
1403 | } |
1404 | ||
1405 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1406 | { | |
1407 | return security_ops->xfrm_state_delete_security(x); | |
1408 | } | |
1409 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1410 | ||
1411 | void security_xfrm_state_free(struct xfrm_state *x) | |
1412 | { | |
1413 | security_ops->xfrm_state_free_security(x); | |
1414 | } | |
1415 | ||
03e1ad7b | 1416 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1417 | { |
03e1ad7b | 1418 | return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir); |
20510f2f JM |
1419 | } |
1420 | ||
1421 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1422 | struct xfrm_policy *xp, |
1423 | const struct flowi *fl) | |
20510f2f JM |
1424 | { |
1425 | return security_ops->xfrm_state_pol_flow_match(x, xp, fl); | |
1426 | } | |
1427 | ||
1428 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1429 | { | |
1430 | return security_ops->xfrm_decode_session(skb, secid, 1); | |
1431 | } | |
1432 | ||
1433 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1434 | { | |
1d28f42c | 1435 | int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0); |
20510f2f JM |
1436 | |
1437 | BUG_ON(rc); | |
1438 | } | |
1439 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1440 | ||
1441 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1442 | ||
1443 | #ifdef CONFIG_KEYS | |
1444 | ||
d84f4f99 DH |
1445 | int security_key_alloc(struct key *key, const struct cred *cred, |
1446 | unsigned long flags) | |
20510f2f | 1447 | { |
d84f4f99 | 1448 | return security_ops->key_alloc(key, cred, flags); |
20510f2f JM |
1449 | } |
1450 | ||
1451 | void security_key_free(struct key *key) | |
1452 | { | |
1453 | security_ops->key_free(key); | |
1454 | } | |
1455 | ||
1456 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1457 | const struct cred *cred, unsigned perm) |
20510f2f | 1458 | { |
d84f4f99 | 1459 | return security_ops->key_permission(key_ref, cred, perm); |
20510f2f JM |
1460 | } |
1461 | ||
70a5bb72 DH |
1462 | int security_key_getsecurity(struct key *key, char **_buffer) |
1463 | { | |
1464 | return security_ops->key_getsecurity(key, _buffer); | |
1465 | } | |
1466 | ||
20510f2f | 1467 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1468 | |
1469 | #ifdef CONFIG_AUDIT | |
1470 | ||
1471 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1472 | { | |
1473 | return security_ops->audit_rule_init(field, op, rulestr, lsmrule); | |
1474 | } | |
1475 | ||
1476 | int security_audit_rule_known(struct audit_krule *krule) | |
1477 | { | |
1478 | return security_ops->audit_rule_known(krule); | |
1479 | } | |
1480 | ||
1481 | void security_audit_rule_free(void *lsmrule) | |
1482 | { | |
1483 | security_ops->audit_rule_free(lsmrule); | |
1484 | } | |
1485 | ||
1486 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1487 | struct audit_context *actx) | |
1488 | { | |
1489 | return security_ops->audit_rule_match(secid, field, op, lsmrule, actx); | |
1490 | } | |
1491 | ||
1492 | #endif /* CONFIG_AUDIT */ |