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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Security plug functions | |
3 | * | |
4 | * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com> | |
5 | * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com> | |
6 | * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | */ | |
13 | ||
c59ede7b | 14 | #include <linux/capability.h> |
d47be3df | 15 | #include <linux/dcache.h> |
1da177e4 LT |
16 | #include <linux/module.h> |
17 | #include <linux/init.h> | |
18 | #include <linux/kernel.h> | |
3c4ed7bd | 19 | #include <linux/lsm_hooks.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 | ||
584 | int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd) | |
585 | { | |
c6f493d6 | 586 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f JM |
587 | return 0; |
588 | return security_ops->inode_follow_link(dentry, nd); | |
589 | } | |
590 | ||
b77b0646 | 591 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
592 | { |
593 | if (unlikely(IS_PRIVATE(inode))) | |
594 | return 0; | |
e74f71eb | 595 | return security_ops->inode_permission(inode, mask); |
20510f2f JM |
596 | } |
597 | ||
598 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
599 | { | |
817b54aa MZ |
600 | int ret; |
601 | ||
c6f493d6 | 602 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 603 | return 0; |
817b54aa MZ |
604 | ret = security_ops->inode_setattr(dentry, attr); |
605 | if (ret) | |
606 | return ret; | |
607 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 608 | } |
b1da47e2 | 609 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 610 | |
3f7036a0 | 611 | int security_inode_getattr(const struct path *path) |
20510f2f | 612 | { |
c6f493d6 | 613 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 614 | return 0; |
3f7036a0 | 615 | return security_ops->inode_getattr(path); |
20510f2f JM |
616 | } |
617 | ||
8f0cfa52 DH |
618 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
619 | const void *value, size_t size, int flags) | |
20510f2f | 620 | { |
3e1be52d MZ |
621 | int ret; |
622 | ||
c6f493d6 | 623 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 624 | return 0; |
3e1be52d | 625 | ret = security_ops->inode_setxattr(dentry, name, value, size, flags); |
42c63330 MZ |
626 | if (ret) |
627 | return ret; | |
628 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
629 | if (ret) |
630 | return ret; | |
631 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
632 | } |
633 | ||
8f0cfa52 DH |
634 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
635 | const void *value, size_t size, int flags) | |
20510f2f | 636 | { |
c6f493d6 | 637 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f JM |
638 | return; |
639 | security_ops->inode_post_setxattr(dentry, name, value, size, flags); | |
3e1be52d | 640 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
641 | } |
642 | ||
8f0cfa52 | 643 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 644 | { |
c6f493d6 | 645 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f JM |
646 | return 0; |
647 | return security_ops->inode_getxattr(dentry, name); | |
648 | } | |
649 | ||
650 | int security_inode_listxattr(struct dentry *dentry) | |
651 | { | |
c6f493d6 | 652 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f JM |
653 | return 0; |
654 | return security_ops->inode_listxattr(dentry); | |
655 | } | |
656 | ||
8f0cfa52 | 657 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 658 | { |
3e1be52d MZ |
659 | int ret; |
660 | ||
c6f493d6 | 661 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 662 | return 0; |
3e1be52d | 663 | ret = security_ops->inode_removexattr(dentry, name); |
42c63330 MZ |
664 | if (ret) |
665 | return ret; | |
666 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
667 | if (ret) |
668 | return ret; | |
669 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
670 | } |
671 | ||
b5376771 SH |
672 | int security_inode_need_killpriv(struct dentry *dentry) |
673 | { | |
674 | return security_ops->inode_need_killpriv(dentry); | |
675 | } | |
676 | ||
677 | int security_inode_killpriv(struct dentry *dentry) | |
678 | { | |
679 | return security_ops->inode_killpriv(dentry); | |
680 | } | |
681 | ||
42492594 | 682 | int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f JM |
683 | { |
684 | if (unlikely(IS_PRIVATE(inode))) | |
8d952504 | 685 | return -EOPNOTSUPP; |
42492594 | 686 | return security_ops->inode_getsecurity(inode, name, buffer, alloc); |
20510f2f JM |
687 | } |
688 | ||
689 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
690 | { | |
691 | if (unlikely(IS_PRIVATE(inode))) | |
8d952504 | 692 | return -EOPNOTSUPP; |
20510f2f JM |
693 | return security_ops->inode_setsecurity(inode, name, value, size, flags); |
694 | } | |
695 | ||
696 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
697 | { | |
698 | if (unlikely(IS_PRIVATE(inode))) | |
699 | return 0; | |
700 | return security_ops->inode_listsecurity(inode, buffer, buffer_size); | |
701 | } | |
c9bccef6 | 702 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 703 | |
8a076191 AD |
704 | void security_inode_getsecid(const struct inode *inode, u32 *secid) |
705 | { | |
706 | security_ops->inode_getsecid(inode, secid); | |
707 | } | |
708 | ||
20510f2f JM |
709 | int security_file_permission(struct file *file, int mask) |
710 | { | |
c4ec54b4 EP |
711 | int ret; |
712 | ||
713 | ret = security_ops->file_permission(file, mask); | |
714 | if (ret) | |
715 | return ret; | |
716 | ||
717 | return fsnotify_perm(file, mask); | |
20510f2f JM |
718 | } |
719 | ||
720 | int security_file_alloc(struct file *file) | |
721 | { | |
722 | return security_ops->file_alloc_security(file); | |
723 | } | |
724 | ||
725 | void security_file_free(struct file *file) | |
726 | { | |
727 | security_ops->file_free_security(file); | |
728 | } | |
729 | ||
730 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
731 | { | |
732 | return security_ops->file_ioctl(file, cmd, arg); | |
733 | } | |
734 | ||
98de59bf | 735 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 736 | { |
8b3ec681 | 737 | /* |
98de59bf AV |
738 | * Does we have PROT_READ and does the application expect |
739 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 740 | */ |
98de59bf AV |
741 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
742 | return prot; | |
8b3ec681 | 743 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
744 | return prot; |
745 | /* | |
746 | * if that's an anonymous mapping, let it. | |
747 | */ | |
748 | if (!file) | |
749 | return prot | PROT_EXEC; | |
750 | /* | |
751 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 752 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf AV |
753 | */ |
754 | if (!(file->f_path.mnt->mnt_flags & MNT_NOEXEC)) { | |
8b3ec681 | 755 | #ifndef CONFIG_MMU |
b4caecd4 CH |
756 | if (file->f_op->mmap_capabilities) { |
757 | unsigned caps = file->f_op->mmap_capabilities(file); | |
758 | if (!(caps & NOMMU_MAP_EXEC)) | |
759 | return prot; | |
760 | } | |
8b3ec681 | 761 | #endif |
98de59bf | 762 | return prot | PROT_EXEC; |
8b3ec681 | 763 | } |
98de59bf AV |
764 | /* anything on noexec mount won't get PROT_EXEC */ |
765 | return prot; | |
766 | } | |
767 | ||
768 | int security_mmap_file(struct file *file, unsigned long prot, | |
769 | unsigned long flags) | |
770 | { | |
771 | int ret; | |
772 | ret = security_ops->mmap_file(file, prot, | |
773 | mmap_prot(file, prot), flags); | |
6c21a7fb MZ |
774 | if (ret) |
775 | return ret; | |
776 | return ima_file_mmap(file, prot); | |
20510f2f JM |
777 | } |
778 | ||
e5467859 AV |
779 | int security_mmap_addr(unsigned long addr) |
780 | { | |
781 | return security_ops->mmap_addr(addr); | |
782 | } | |
783 | ||
20510f2f JM |
784 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
785 | unsigned long prot) | |
786 | { | |
787 | return security_ops->file_mprotect(vma, reqprot, prot); | |
788 | } | |
789 | ||
790 | int security_file_lock(struct file *file, unsigned int cmd) | |
791 | { | |
792 | return security_ops->file_lock(file, cmd); | |
793 | } | |
794 | ||
795 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
796 | { | |
797 | return security_ops->file_fcntl(file, cmd, arg); | |
798 | } | |
799 | ||
e0b93edd | 800 | void security_file_set_fowner(struct file *file) |
20510f2f | 801 | { |
e0b93edd | 802 | security_ops->file_set_fowner(file); |
20510f2f JM |
803 | } |
804 | ||
805 | int security_file_send_sigiotask(struct task_struct *tsk, | |
806 | struct fown_struct *fown, int sig) | |
807 | { | |
808 | return security_ops->file_send_sigiotask(tsk, fown, sig); | |
809 | } | |
810 | ||
811 | int security_file_receive(struct file *file) | |
812 | { | |
813 | return security_ops->file_receive(file); | |
814 | } | |
815 | ||
83d49856 | 816 | int security_file_open(struct file *file, const struct cred *cred) |
20510f2f | 817 | { |
c4ec54b4 EP |
818 | int ret; |
819 | ||
83d49856 | 820 | ret = security_ops->file_open(file, cred); |
c4ec54b4 EP |
821 | if (ret) |
822 | return ret; | |
823 | ||
824 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
825 | } |
826 | ||
827 | int security_task_create(unsigned long clone_flags) | |
828 | { | |
829 | return security_ops->task_create(clone_flags); | |
830 | } | |
831 | ||
1a2a4d06 KC |
832 | void security_task_free(struct task_struct *task) |
833 | { | |
c6993e4a KC |
834 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
835 | yama_task_free(task); | |
836 | #endif | |
1a2a4d06 KC |
837 | security_ops->task_free(task); |
838 | } | |
839 | ||
ee18d64c DH |
840 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
841 | { | |
842 | return security_ops->cred_alloc_blank(cred, gfp); | |
843 | } | |
844 | ||
d84f4f99 | 845 | void security_cred_free(struct cred *cred) |
20510f2f | 846 | { |
d84f4f99 | 847 | security_ops->cred_free(cred); |
20510f2f JM |
848 | } |
849 | ||
d84f4f99 | 850 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 851 | { |
d84f4f99 DH |
852 | return security_ops->cred_prepare(new, old, gfp); |
853 | } | |
854 | ||
ee18d64c DH |
855 | void security_transfer_creds(struct cred *new, const struct cred *old) |
856 | { | |
857 | security_ops->cred_transfer(new, old); | |
858 | } | |
859 | ||
3a3b7ce9 DH |
860 | int security_kernel_act_as(struct cred *new, u32 secid) |
861 | { | |
862 | return security_ops->kernel_act_as(new, secid); | |
863 | } | |
864 | ||
865 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
866 | { | |
867 | return security_ops->kernel_create_files_as(new, inode); | |
868 | } | |
869 | ||
13752fe2 KC |
870 | int security_kernel_fw_from_file(struct file *file, char *buf, size_t size) |
871 | { | |
5a9196d7 MZ |
872 | int ret; |
873 | ||
874 | ret = security_ops->kernel_fw_from_file(file, buf, size); | |
875 | if (ret) | |
876 | return ret; | |
877 | return ima_fw_from_file(file, buf, size); | |
13752fe2 KC |
878 | } |
879 | EXPORT_SYMBOL_GPL(security_kernel_fw_from_file); | |
880 | ||
dd8dbf2e | 881 | int security_kernel_module_request(char *kmod_name) |
9188499c | 882 | { |
dd8dbf2e | 883 | return security_ops->kernel_module_request(kmod_name); |
9188499c EP |
884 | } |
885 | ||
2e72d51b KC |
886 | int security_kernel_module_from_file(struct file *file) |
887 | { | |
fdf90729 MZ |
888 | int ret; |
889 | ||
890 | ret = security_ops->kernel_module_from_file(file); | |
891 | if (ret) | |
892 | return ret; | |
893 | return ima_module_check(file); | |
2e72d51b KC |
894 | } |
895 | ||
d84f4f99 DH |
896 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
897 | int flags) | |
20510f2f | 898 | { |
d84f4f99 | 899 | return security_ops->task_fix_setuid(new, old, flags); |
20510f2f JM |
900 | } |
901 | ||
20510f2f JM |
902 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
903 | { | |
904 | return security_ops->task_setpgid(p, pgid); | |
905 | } | |
906 | ||
907 | int security_task_getpgid(struct task_struct *p) | |
908 | { | |
909 | return security_ops->task_getpgid(p); | |
910 | } | |
911 | ||
912 | int security_task_getsid(struct task_struct *p) | |
913 | { | |
914 | return security_ops->task_getsid(p); | |
915 | } | |
916 | ||
917 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
918 | { | |
919 | security_ops->task_getsecid(p, secid); | |
920 | } | |
921 | EXPORT_SYMBOL(security_task_getsecid); | |
922 | ||
20510f2f JM |
923 | int security_task_setnice(struct task_struct *p, int nice) |
924 | { | |
925 | return security_ops->task_setnice(p, nice); | |
926 | } | |
927 | ||
928 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
929 | { | |
930 | return security_ops->task_setioprio(p, ioprio); | |
931 | } | |
932 | ||
933 | int security_task_getioprio(struct task_struct *p) | |
934 | { | |
935 | return security_ops->task_getioprio(p); | |
936 | } | |
937 | ||
8fd00b4d JS |
938 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
939 | struct rlimit *new_rlim) | |
20510f2f | 940 | { |
8fd00b4d | 941 | return security_ops->task_setrlimit(p, resource, new_rlim); |
20510f2f JM |
942 | } |
943 | ||
b0ae1981 | 944 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 945 | { |
b0ae1981 | 946 | return security_ops->task_setscheduler(p); |
20510f2f JM |
947 | } |
948 | ||
949 | int security_task_getscheduler(struct task_struct *p) | |
950 | { | |
951 | return security_ops->task_getscheduler(p); | |
952 | } | |
953 | ||
954 | int security_task_movememory(struct task_struct *p) | |
955 | { | |
956 | return security_ops->task_movememory(p); | |
957 | } | |
958 | ||
959 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
960 | int sig, u32 secid) | |
961 | { | |
962 | return security_ops->task_kill(p, info, sig, secid); | |
963 | } | |
964 | ||
965 | int security_task_wait(struct task_struct *p) | |
966 | { | |
967 | return security_ops->task_wait(p); | |
968 | } | |
969 | ||
970 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, | |
d84f4f99 | 971 | unsigned long arg4, unsigned long arg5) |
20510f2f | 972 | { |
c6993e4a KC |
973 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
974 | int rc; | |
975 | rc = yama_task_prctl(option, arg2, arg3, arg4, arg5); | |
976 | if (rc != -ENOSYS) | |
977 | return rc; | |
978 | #endif | |
d84f4f99 | 979 | return security_ops->task_prctl(option, arg2, arg3, arg4, arg5); |
20510f2f JM |
980 | } |
981 | ||
982 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
983 | { | |
984 | security_ops->task_to_inode(p, inode); | |
985 | } | |
986 | ||
987 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
988 | { | |
989 | return security_ops->ipc_permission(ipcp, flag); | |
990 | } | |
991 | ||
8a076191 AD |
992 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
993 | { | |
994 | security_ops->ipc_getsecid(ipcp, secid); | |
995 | } | |
996 | ||
20510f2f JM |
997 | int security_msg_msg_alloc(struct msg_msg *msg) |
998 | { | |
999 | return security_ops->msg_msg_alloc_security(msg); | |
1000 | } | |
1001 | ||
1002 | void security_msg_msg_free(struct msg_msg *msg) | |
1003 | { | |
1004 | security_ops->msg_msg_free_security(msg); | |
1005 | } | |
1006 | ||
1007 | int security_msg_queue_alloc(struct msg_queue *msq) | |
1008 | { | |
1009 | return security_ops->msg_queue_alloc_security(msq); | |
1010 | } | |
1011 | ||
1012 | void security_msg_queue_free(struct msg_queue *msq) | |
1013 | { | |
1014 | security_ops->msg_queue_free_security(msq); | |
1015 | } | |
1016 | ||
1017 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
1018 | { | |
1019 | return security_ops->msg_queue_associate(msq, msqflg); | |
1020 | } | |
1021 | ||
1022 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
1023 | { | |
1024 | return security_ops->msg_queue_msgctl(msq, cmd); | |
1025 | } | |
1026 | ||
1027 | int security_msg_queue_msgsnd(struct msg_queue *msq, | |
1028 | struct msg_msg *msg, int msqflg) | |
1029 | { | |
1030 | return security_ops->msg_queue_msgsnd(msq, msg, msqflg); | |
1031 | } | |
1032 | ||
1033 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
1034 | struct task_struct *target, long type, int mode) | |
1035 | { | |
1036 | return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode); | |
1037 | } | |
1038 | ||
1039 | int security_shm_alloc(struct shmid_kernel *shp) | |
1040 | { | |
1041 | return security_ops->shm_alloc_security(shp); | |
1042 | } | |
1043 | ||
1044 | void security_shm_free(struct shmid_kernel *shp) | |
1045 | { | |
1046 | security_ops->shm_free_security(shp); | |
1047 | } | |
1048 | ||
1049 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) | |
1050 | { | |
1051 | return security_ops->shm_associate(shp, shmflg); | |
1052 | } | |
1053 | ||
1054 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
1055 | { | |
1056 | return security_ops->shm_shmctl(shp, cmd); | |
1057 | } | |
1058 | ||
1059 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) | |
1060 | { | |
1061 | return security_ops->shm_shmat(shp, shmaddr, shmflg); | |
1062 | } | |
1063 | ||
1064 | int security_sem_alloc(struct sem_array *sma) | |
1065 | { | |
1066 | return security_ops->sem_alloc_security(sma); | |
1067 | } | |
1068 | ||
1069 | void security_sem_free(struct sem_array *sma) | |
1070 | { | |
1071 | security_ops->sem_free_security(sma); | |
1072 | } | |
1073 | ||
1074 | int security_sem_associate(struct sem_array *sma, int semflg) | |
1075 | { | |
1076 | return security_ops->sem_associate(sma, semflg); | |
1077 | } | |
1078 | ||
1079 | int security_sem_semctl(struct sem_array *sma, int cmd) | |
1080 | { | |
1081 | return security_ops->sem_semctl(sma, cmd); | |
1082 | } | |
1083 | ||
1084 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
1085 | unsigned nsops, int alter) | |
1086 | { | |
1087 | return security_ops->sem_semop(sma, sops, nsops, alter); | |
1088 | } | |
1089 | ||
1090 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1091 | { | |
1092 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1093 | return; | |
1094 | security_ops->d_instantiate(dentry, inode); | |
1095 | } | |
1096 | EXPORT_SYMBOL(security_d_instantiate); | |
1097 | ||
1098 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1099 | { | |
1100 | return security_ops->getprocattr(p, name, value); | |
1101 | } | |
1102 | ||
1103 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) | |
1104 | { | |
1105 | return security_ops->setprocattr(p, name, value, size); | |
1106 | } | |
1107 | ||
1108 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1109 | { | |
1110 | return security_ops->netlink_send(sk, skb); | |
1111 | } | |
20510f2f | 1112 | |
746df9b5 DQ |
1113 | int security_ismaclabel(const char *name) |
1114 | { | |
1115 | return security_ops->ismaclabel(name); | |
1116 | } | |
1117 | EXPORT_SYMBOL(security_ismaclabel); | |
1118 | ||
20510f2f JM |
1119 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1120 | { | |
1121 | return security_ops->secid_to_secctx(secid, secdata, seclen); | |
1122 | } | |
1123 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1124 | ||
7bf570dc | 1125 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 DH |
1126 | { |
1127 | return security_ops->secctx_to_secid(secdata, seclen, secid); | |
1128 | } | |
1129 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1130 | ||
20510f2f JM |
1131 | void security_release_secctx(char *secdata, u32 seclen) |
1132 | { | |
65fc7668 | 1133 | security_ops->release_secctx(secdata, seclen); |
20510f2f JM |
1134 | } |
1135 | EXPORT_SYMBOL(security_release_secctx); | |
1136 | ||
1ee65e37 DQ |
1137 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1138 | { | |
1139 | return security_ops->inode_notifysecctx(inode, ctx, ctxlen); | |
1140 | } | |
1141 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1142 | ||
1143 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1144 | { | |
1145 | return security_ops->inode_setsecctx(dentry, ctx, ctxlen); | |
1146 | } | |
1147 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1148 | ||
1149 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1150 | { | |
1151 | return security_ops->inode_getsecctx(inode, ctx, ctxlen); | |
1152 | } | |
1153 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1154 | ||
20510f2f JM |
1155 | #ifdef CONFIG_SECURITY_NETWORK |
1156 | ||
3610cda5 | 1157 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f JM |
1158 | { |
1159 | return security_ops->unix_stream_connect(sock, other, newsk); | |
1160 | } | |
1161 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1162 | ||
1163 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1164 | { | |
1165 | return security_ops->unix_may_send(sock, other); | |
1166 | } | |
1167 | EXPORT_SYMBOL(security_unix_may_send); | |
1168 | ||
1169 | int security_socket_create(int family, int type, int protocol, int kern) | |
1170 | { | |
1171 | return security_ops->socket_create(family, type, protocol, kern); | |
1172 | } | |
1173 | ||
1174 | int security_socket_post_create(struct socket *sock, int family, | |
1175 | int type, int protocol, int kern) | |
1176 | { | |
1177 | return security_ops->socket_post_create(sock, family, type, | |
1178 | protocol, kern); | |
1179 | } | |
1180 | ||
1181 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) | |
1182 | { | |
1183 | return security_ops->socket_bind(sock, address, addrlen); | |
1184 | } | |
1185 | ||
1186 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1187 | { | |
1188 | return security_ops->socket_connect(sock, address, addrlen); | |
1189 | } | |
1190 | ||
1191 | int security_socket_listen(struct socket *sock, int backlog) | |
1192 | { | |
1193 | return security_ops->socket_listen(sock, backlog); | |
1194 | } | |
1195 | ||
1196 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1197 | { | |
1198 | return security_ops->socket_accept(sock, newsock); | |
1199 | } | |
1200 | ||
20510f2f JM |
1201 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1202 | { | |
1203 | return security_ops->socket_sendmsg(sock, msg, size); | |
1204 | } | |
1205 | ||
1206 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1207 | int size, int flags) | |
1208 | { | |
1209 | return security_ops->socket_recvmsg(sock, msg, size, flags); | |
1210 | } | |
1211 | ||
1212 | int security_socket_getsockname(struct socket *sock) | |
1213 | { | |
1214 | return security_ops->socket_getsockname(sock); | |
1215 | } | |
1216 | ||
1217 | int security_socket_getpeername(struct socket *sock) | |
1218 | { | |
1219 | return security_ops->socket_getpeername(sock); | |
1220 | } | |
1221 | ||
1222 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1223 | { | |
1224 | return security_ops->socket_getsockopt(sock, level, optname); | |
1225 | } | |
1226 | ||
1227 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1228 | { | |
1229 | return security_ops->socket_setsockopt(sock, level, optname); | |
1230 | } | |
1231 | ||
1232 | int security_socket_shutdown(struct socket *sock, int how) | |
1233 | { | |
1234 | return security_ops->socket_shutdown(sock, how); | |
1235 | } | |
1236 | ||
1237 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1238 | { | |
1239 | return security_ops->socket_sock_rcv_skb(sk, skb); | |
1240 | } | |
1241 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1242 | ||
1243 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1244 | int __user *optlen, unsigned len) | |
1245 | { | |
1246 | return security_ops->socket_getpeersec_stream(sock, optval, optlen, len); | |
1247 | } | |
1248 | ||
1249 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1250 | { | |
1251 | return security_ops->socket_getpeersec_dgram(sock, skb, secid); | |
1252 | } | |
1253 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1254 | ||
1255 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1256 | { | |
1257 | return security_ops->sk_alloc_security(sk, family, priority); | |
1258 | } | |
1259 | ||
1260 | void security_sk_free(struct sock *sk) | |
1261 | { | |
65fc7668 | 1262 | security_ops->sk_free_security(sk); |
20510f2f JM |
1263 | } |
1264 | ||
1265 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1266 | { | |
65fc7668 | 1267 | security_ops->sk_clone_security(sk, newsk); |
20510f2f | 1268 | } |
6230c9b4 | 1269 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1270 | |
1271 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1272 | { | |
1d28f42c | 1273 | security_ops->sk_getsecid(sk, &fl->flowi_secid); |
20510f2f JM |
1274 | } |
1275 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1276 | ||
1277 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1278 | { | |
1279 | security_ops->req_classify_flow(req, fl); | |
1280 | } | |
1281 | EXPORT_SYMBOL(security_req_classify_flow); | |
1282 | ||
1283 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1284 | { | |
1285 | security_ops->sock_graft(sk, parent); | |
1286 | } | |
1287 | EXPORT_SYMBOL(security_sock_graft); | |
1288 | ||
1289 | int security_inet_conn_request(struct sock *sk, | |
1290 | struct sk_buff *skb, struct request_sock *req) | |
1291 | { | |
1292 | return security_ops->inet_conn_request(sk, skb, req); | |
1293 | } | |
1294 | EXPORT_SYMBOL(security_inet_conn_request); | |
1295 | ||
1296 | void security_inet_csk_clone(struct sock *newsk, | |
1297 | const struct request_sock *req) | |
1298 | { | |
1299 | security_ops->inet_csk_clone(newsk, req); | |
1300 | } | |
1301 | ||
1302 | void security_inet_conn_established(struct sock *sk, | |
1303 | struct sk_buff *skb) | |
1304 | { | |
1305 | security_ops->inet_conn_established(sk, skb); | |
1306 | } | |
1307 | ||
2606fd1f EP |
1308 | int security_secmark_relabel_packet(u32 secid) |
1309 | { | |
1310 | return security_ops->secmark_relabel_packet(secid); | |
1311 | } | |
1312 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1313 | ||
1314 | void security_secmark_refcount_inc(void) | |
1315 | { | |
1316 | security_ops->secmark_refcount_inc(); | |
1317 | } | |
1318 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1319 | ||
1320 | void security_secmark_refcount_dec(void) | |
1321 | { | |
1322 | security_ops->secmark_refcount_dec(); | |
1323 | } | |
1324 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1325 | ||
5dbbaf2d PM |
1326 | int security_tun_dev_alloc_security(void **security) |
1327 | { | |
1328 | return security_ops->tun_dev_alloc_security(security); | |
1329 | } | |
1330 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1331 | ||
1332 | void security_tun_dev_free_security(void *security) | |
1333 | { | |
1334 | security_ops->tun_dev_free_security(security); | |
1335 | } | |
1336 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1337 | ||
2b980dbd PM |
1338 | int security_tun_dev_create(void) |
1339 | { | |
1340 | return security_ops->tun_dev_create(); | |
1341 | } | |
1342 | EXPORT_SYMBOL(security_tun_dev_create); | |
1343 | ||
5dbbaf2d | 1344 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1345 | { |
5dbbaf2d | 1346 | return security_ops->tun_dev_attach_queue(security); |
2b980dbd | 1347 | } |
5dbbaf2d | 1348 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1349 | |
5dbbaf2d | 1350 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1351 | { |
5dbbaf2d | 1352 | return security_ops->tun_dev_attach(sk, security); |
2b980dbd PM |
1353 | } |
1354 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1355 | ||
5dbbaf2d PM |
1356 | int security_tun_dev_open(void *security) |
1357 | { | |
1358 | return security_ops->tun_dev_open(security); | |
1359 | } | |
1360 | EXPORT_SYMBOL(security_tun_dev_open); | |
1361 | ||
20510f2f JM |
1362 | #endif /* CONFIG_SECURITY_NETWORK */ |
1363 | ||
1364 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
1365 | ||
52a4c640 NA |
1366 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1367 | struct xfrm_user_sec_ctx *sec_ctx, | |
1368 | gfp_t gfp) | |
20510f2f | 1369 | { |
52a4c640 | 1370 | return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx, gfp); |
20510f2f JM |
1371 | } |
1372 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1373 | ||
03e1ad7b PM |
1374 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1375 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1376 | { |
03e1ad7b | 1377 | return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp); |
20510f2f JM |
1378 | } |
1379 | ||
03e1ad7b | 1380 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1381 | { |
03e1ad7b | 1382 | security_ops->xfrm_policy_free_security(ctx); |
20510f2f JM |
1383 | } |
1384 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1385 | ||
03e1ad7b | 1386 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1387 | { |
03e1ad7b | 1388 | return security_ops->xfrm_policy_delete_security(ctx); |
20510f2f JM |
1389 | } |
1390 | ||
2e5aa866 PM |
1391 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1392 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1393 | { |
2e5aa866 | 1394 | return security_ops->xfrm_state_alloc(x, sec_ctx); |
20510f2f JM |
1395 | } |
1396 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1397 | ||
1398 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1399 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1400 | { | |
2e5aa866 | 1401 | return security_ops->xfrm_state_alloc_acquire(x, polsec, secid); |
20510f2f JM |
1402 | } |
1403 | ||
1404 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1405 | { | |
1406 | return security_ops->xfrm_state_delete_security(x); | |
1407 | } | |
1408 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1409 | ||
1410 | void security_xfrm_state_free(struct xfrm_state *x) | |
1411 | { | |
1412 | security_ops->xfrm_state_free_security(x); | |
1413 | } | |
1414 | ||
03e1ad7b | 1415 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1416 | { |
03e1ad7b | 1417 | return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir); |
20510f2f JM |
1418 | } |
1419 | ||
1420 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1421 | struct xfrm_policy *xp, |
1422 | const struct flowi *fl) | |
20510f2f JM |
1423 | { |
1424 | return security_ops->xfrm_state_pol_flow_match(x, xp, fl); | |
1425 | } | |
1426 | ||
1427 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1428 | { | |
1429 | return security_ops->xfrm_decode_session(skb, secid, 1); | |
1430 | } | |
1431 | ||
1432 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1433 | { | |
1d28f42c | 1434 | int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0); |
20510f2f JM |
1435 | |
1436 | BUG_ON(rc); | |
1437 | } | |
1438 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1439 | ||
1440 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1441 | ||
1442 | #ifdef CONFIG_KEYS | |
1443 | ||
d84f4f99 DH |
1444 | int security_key_alloc(struct key *key, const struct cred *cred, |
1445 | unsigned long flags) | |
20510f2f | 1446 | { |
d84f4f99 | 1447 | return security_ops->key_alloc(key, cred, flags); |
20510f2f JM |
1448 | } |
1449 | ||
1450 | void security_key_free(struct key *key) | |
1451 | { | |
1452 | security_ops->key_free(key); | |
1453 | } | |
1454 | ||
1455 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1456 | const struct cred *cred, unsigned perm) |
20510f2f | 1457 | { |
d84f4f99 | 1458 | return security_ops->key_permission(key_ref, cred, perm); |
20510f2f JM |
1459 | } |
1460 | ||
70a5bb72 DH |
1461 | int security_key_getsecurity(struct key *key, char **_buffer) |
1462 | { | |
1463 | return security_ops->key_getsecurity(key, _buffer); | |
1464 | } | |
1465 | ||
20510f2f | 1466 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1467 | |
1468 | #ifdef CONFIG_AUDIT | |
1469 | ||
1470 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1471 | { | |
1472 | return security_ops->audit_rule_init(field, op, rulestr, lsmrule); | |
1473 | } | |
1474 | ||
1475 | int security_audit_rule_known(struct audit_krule *krule) | |
1476 | { | |
1477 | return security_ops->audit_rule_known(krule); | |
1478 | } | |
1479 | ||
1480 | void security_audit_rule_free(void *lsmrule) | |
1481 | { | |
1482 | security_ops->audit_rule_free(lsmrule); | |
1483 | } | |
1484 | ||
1485 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1486 | struct audit_context *actx) | |
1487 | { | |
1488 | return security_ops->audit_rule_match(secid, field, op, lsmrule, actx); | |
1489 | } | |
1490 | ||
1491 | #endif /* CONFIG_AUDIT */ |