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> | |
d291f1a6 | 7 | * Copyright (C) 2016 Mellanox Technologies |
1da177e4 LT |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | */ | |
14 | ||
9b8c7c14 KC |
15 | #define pr_fmt(fmt) "LSM: " fmt |
16 | ||
afdb09c7 | 17 | #include <linux/bpf.h> |
c59ede7b | 18 | #include <linux/capability.h> |
d47be3df | 19 | #include <linux/dcache.h> |
1da177e4 LT |
20 | #include <linux/module.h> |
21 | #include <linux/init.h> | |
22 | #include <linux/kernel.h> | |
3c4ed7bd | 23 | #include <linux/lsm_hooks.h> |
f381c272 | 24 | #include <linux/integrity.h> |
6c21a7fb | 25 | #include <linux/ima.h> |
3e1be52d | 26 | #include <linux/evm.h> |
40401530 | 27 | #include <linux/fsnotify.h> |
8b3ec681 AV |
28 | #include <linux/mman.h> |
29 | #include <linux/mount.h> | |
30 | #include <linux/personality.h> | |
75331a59 | 31 | #include <linux/backing-dev.h> |
3bb857e4 | 32 | #include <linux/string.h> |
40401530 | 33 | #include <net/flow.h> |
1da177e4 | 34 | |
823eb1cc | 35 | #define MAX_LSM_EVM_XATTR 2 |
1da177e4 | 36 | |
b1d9e6b0 CS |
37 | /* Maximum number of letters for an LSM name string */ |
38 | #define SECURITY_NAME_MAX 10 | |
39 | ||
3dfc9b02 | 40 | struct security_hook_heads security_hook_heads __lsm_ro_after_init; |
8f408ab6 DJ |
41 | static ATOMIC_NOTIFIER_HEAD(lsm_notifier_chain); |
42 | ||
d69dece5 | 43 | char *lsm_names; |
076c54c5 | 44 | /* Boot-time LSM user choice */ |
6e65f92f JJ |
45 | static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = |
46 | CONFIG_DEFAULT_SECURITY; | |
1da177e4 | 47 | |
9b8c7c14 KC |
48 | static __initdata bool debug; |
49 | #define init_debug(...) \ | |
50 | do { \ | |
51 | if (debug) \ | |
52 | pr_info(__VA_ARGS__); \ | |
53 | } while (0) | |
54 | ||
5b89c1bd | 55 | static void __init major_lsm_init(void) |
1da177e4 | 56 | { |
5b89c1bd | 57 | struct lsm_info *lsm; |
58eacfff | 58 | int ret; |
5b89c1bd KC |
59 | |
60 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
9b8c7c14 | 61 | init_debug("initializing %s\n", lsm->name); |
3f6caaf5 KC |
62 | ret = lsm->init(); |
63 | WARN(ret, "%s failed to initialize: %d\n", lsm->name, ret); | |
1da177e4 LT |
64 | } |
65 | } | |
66 | ||
67 | /** | |
68 | * security_init - initializes the security framework | |
69 | * | |
70 | * This should be called early in the kernel initialization sequence. | |
71 | */ | |
72 | int __init security_init(void) | |
73 | { | |
3dfc9b02 | 74 | int i; |
df0ce173 | 75 | struct hlist_head *list = (struct hlist_head *) &security_hook_heads; |
3dfc9b02 | 76 | |
98d29170 KC |
77 | pr_info("Security Framework initializing\n"); |
78 | ||
df0ce173 | 79 | for (i = 0; i < sizeof(security_hook_heads) / sizeof(struct hlist_head); |
3dfc9b02 | 80 | i++) |
df0ce173 | 81 | INIT_HLIST_HEAD(&list[i]); |
1da177e4 | 82 | |
b1d9e6b0 | 83 | /* |
730daa16 | 84 | * Load minor LSMs, with the capability module always first. |
b1d9e6b0 CS |
85 | */ |
86 | capability_add_hooks(); | |
b1d9e6b0 | 87 | yama_add_hooks(); |
9b091556 | 88 | loadpin_add_hooks(); |
730daa16 | 89 | |
b1d9e6b0 | 90 | /* |
730daa16 | 91 | * Load all the remaining security modules. |
b1d9e6b0 | 92 | */ |
5b89c1bd | 93 | major_lsm_init(); |
1da177e4 LT |
94 | |
95 | return 0; | |
96 | } | |
97 | ||
076c54c5 AD |
98 | /* Save user chosen LSM */ |
99 | static int __init choose_lsm(char *str) | |
100 | { | |
101 | strncpy(chosen_lsm, str, SECURITY_NAME_MAX); | |
102 | return 1; | |
103 | } | |
104 | __setup("security=", choose_lsm); | |
105 | ||
9b8c7c14 KC |
106 | /* Enable LSM order debugging. */ |
107 | static int __init enable_debug(char *str) | |
108 | { | |
109 | debug = true; | |
110 | return 1; | |
111 | } | |
112 | __setup("lsm.debug", enable_debug); | |
113 | ||
3bb857e4 MS |
114 | static bool match_last_lsm(const char *list, const char *lsm) |
115 | { | |
116 | const char *last; | |
117 | ||
118 | if (WARN_ON(!list || !lsm)) | |
119 | return false; | |
120 | last = strrchr(list, ','); | |
121 | if (last) | |
122 | /* Pass the comma, strcmp() will check for '\0' */ | |
123 | last++; | |
124 | else | |
125 | last = list; | |
126 | return !strcmp(last, lsm); | |
127 | } | |
128 | ||
d69dece5 CS |
129 | static int lsm_append(char *new, char **result) |
130 | { | |
131 | char *cp; | |
132 | ||
133 | if (*result == NULL) { | |
134 | *result = kstrdup(new, GFP_KERNEL); | |
87ea5843 EB |
135 | if (*result == NULL) |
136 | return -ENOMEM; | |
d69dece5 | 137 | } else { |
3bb857e4 MS |
138 | /* Check if it is the last registered name */ |
139 | if (match_last_lsm(*result, new)) | |
140 | return 0; | |
d69dece5 CS |
141 | cp = kasprintf(GFP_KERNEL, "%s,%s", *result, new); |
142 | if (cp == NULL) | |
143 | return -ENOMEM; | |
144 | kfree(*result); | |
145 | *result = cp; | |
146 | } | |
147 | return 0; | |
148 | } | |
149 | ||
076c54c5 AD |
150 | /** |
151 | * security_module_enable - Load given security module on boot ? | |
b1d9e6b0 | 152 | * @module: the name of the module |
076c54c5 AD |
153 | * |
154 | * Each LSM must pass this method before registering its own operations | |
155 | * to avoid security registration races. This method may also be used | |
7cea51be | 156 | * to check if your LSM is currently loaded during kernel initialization. |
076c54c5 | 157 | * |
0e056eb5 | 158 | * Returns: |
159 | * | |
160 | * true if: | |
161 | * | |
162 | * - The passed LSM is the one chosen by user at boot time, | |
163 | * - or the passed LSM is configured as the default and the user did not | |
164 | * choose an alternate LSM at boot time. | |
165 | * | |
076c54c5 AD |
166 | * Otherwise, return false. |
167 | */ | |
b1d9e6b0 | 168 | int __init security_module_enable(const char *module) |
076c54c5 | 169 | { |
b1d9e6b0 | 170 | return !strcmp(module, chosen_lsm); |
076c54c5 AD |
171 | } |
172 | ||
d69dece5 CS |
173 | /** |
174 | * security_add_hooks - Add a modules hooks to the hook lists. | |
175 | * @hooks: the hooks to add | |
176 | * @count: the number of hooks to add | |
177 | * @lsm: the name of the security module | |
178 | * | |
179 | * Each LSM has to register its hooks with the infrastructure. | |
180 | */ | |
181 | void __init security_add_hooks(struct security_hook_list *hooks, int count, | |
182 | char *lsm) | |
183 | { | |
184 | int i; | |
185 | ||
186 | for (i = 0; i < count; i++) { | |
187 | hooks[i].lsm = lsm; | |
df0ce173 | 188 | hlist_add_tail_rcu(&hooks[i].list, hooks[i].head); |
d69dece5 CS |
189 | } |
190 | if (lsm_append(lsm, &lsm_names) < 0) | |
191 | panic("%s - Cannot get early memory.\n", __func__); | |
192 | } | |
193 | ||
8f408ab6 DJ |
194 | int call_lsm_notifier(enum lsm_event event, void *data) |
195 | { | |
196 | return atomic_notifier_call_chain(&lsm_notifier_chain, event, data); | |
197 | } | |
198 | EXPORT_SYMBOL(call_lsm_notifier); | |
199 | ||
200 | int register_lsm_notifier(struct notifier_block *nb) | |
201 | { | |
202 | return atomic_notifier_chain_register(&lsm_notifier_chain, nb); | |
203 | } | |
204 | EXPORT_SYMBOL(register_lsm_notifier); | |
205 | ||
206 | int unregister_lsm_notifier(struct notifier_block *nb) | |
207 | { | |
208 | return atomic_notifier_chain_unregister(&lsm_notifier_chain, nb); | |
209 | } | |
210 | EXPORT_SYMBOL(unregister_lsm_notifier); | |
211 | ||
f25fce3e | 212 | /* |
b1d9e6b0 | 213 | * Hook list operation macros. |
1da177e4 | 214 | * |
f25fce3e CS |
215 | * call_void_hook: |
216 | * This is a hook that does not return a value. | |
1da177e4 | 217 | * |
f25fce3e CS |
218 | * call_int_hook: |
219 | * This is a hook that returns a value. | |
1da177e4 | 220 | */ |
1da177e4 | 221 | |
b1d9e6b0 CS |
222 | #define call_void_hook(FUNC, ...) \ |
223 | do { \ | |
224 | struct security_hook_list *P; \ | |
225 | \ | |
df0ce173 | 226 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) \ |
b1d9e6b0 CS |
227 | P->hook.FUNC(__VA_ARGS__); \ |
228 | } while (0) | |
229 | ||
230 | #define call_int_hook(FUNC, IRC, ...) ({ \ | |
231 | int RC = IRC; \ | |
232 | do { \ | |
233 | struct security_hook_list *P; \ | |
234 | \ | |
df0ce173 | 235 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) { \ |
b1d9e6b0 CS |
236 | RC = P->hook.FUNC(__VA_ARGS__); \ |
237 | if (RC != 0) \ | |
238 | break; \ | |
239 | } \ | |
240 | } while (0); \ | |
241 | RC; \ | |
242 | }) | |
1da177e4 | 243 | |
20510f2f JM |
244 | /* Security operations */ |
245 | ||
79af7307 SS |
246 | int security_binder_set_context_mgr(struct task_struct *mgr) |
247 | { | |
f25fce3e | 248 | return call_int_hook(binder_set_context_mgr, 0, mgr); |
79af7307 SS |
249 | } |
250 | ||
251 | int security_binder_transaction(struct task_struct *from, | |
252 | struct task_struct *to) | |
253 | { | |
f25fce3e | 254 | return call_int_hook(binder_transaction, 0, from, to); |
79af7307 SS |
255 | } |
256 | ||
257 | int security_binder_transfer_binder(struct task_struct *from, | |
258 | struct task_struct *to) | |
259 | { | |
f25fce3e | 260 | return call_int_hook(binder_transfer_binder, 0, from, to); |
79af7307 SS |
261 | } |
262 | ||
263 | int security_binder_transfer_file(struct task_struct *from, | |
264 | struct task_struct *to, struct file *file) | |
265 | { | |
f25fce3e | 266 | return call_int_hook(binder_transfer_file, 0, from, to, file); |
79af7307 SS |
267 | } |
268 | ||
9e48858f | 269 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 270 | { |
f25fce3e | 271 | return call_int_hook(ptrace_access_check, 0, child, mode); |
5cd9c58f DH |
272 | } |
273 | ||
274 | int security_ptrace_traceme(struct task_struct *parent) | |
275 | { | |
f25fce3e | 276 | return call_int_hook(ptrace_traceme, 0, parent); |
20510f2f JM |
277 | } |
278 | ||
279 | int security_capget(struct task_struct *target, | |
280 | kernel_cap_t *effective, | |
281 | kernel_cap_t *inheritable, | |
282 | kernel_cap_t *permitted) | |
283 | { | |
f25fce3e CS |
284 | return call_int_hook(capget, 0, target, |
285 | effective, inheritable, permitted); | |
20510f2f JM |
286 | } |
287 | ||
d84f4f99 DH |
288 | int security_capset(struct cred *new, const struct cred *old, |
289 | const kernel_cap_t *effective, | |
290 | const kernel_cap_t *inheritable, | |
291 | const kernel_cap_t *permitted) | |
20510f2f | 292 | { |
f25fce3e CS |
293 | return call_int_hook(capset, 0, new, old, |
294 | effective, inheritable, permitted); | |
20510f2f JM |
295 | } |
296 | ||
b7e724d3 | 297 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 298 | int cap) |
20510f2f | 299 | { |
f25fce3e | 300 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
301 | } |
302 | ||
c7eba4a9 EP |
303 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
304 | int cap) | |
06112163 | 305 | { |
f25fce3e | 306 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
307 | } |
308 | ||
20510f2f JM |
309 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
310 | { | |
f25fce3e | 311 | return call_int_hook(quotactl, 0, cmds, type, id, sb); |
20510f2f JM |
312 | } |
313 | ||
314 | int security_quota_on(struct dentry *dentry) | |
315 | { | |
f25fce3e | 316 | return call_int_hook(quota_on, 0, dentry); |
20510f2f JM |
317 | } |
318 | ||
12b3052c | 319 | int security_syslog(int type) |
20510f2f | 320 | { |
f25fce3e | 321 | return call_int_hook(syslog, 0, type); |
20510f2f JM |
322 | } |
323 | ||
457db29b | 324 | int security_settime64(const struct timespec64 *ts, const struct timezone *tz) |
20510f2f | 325 | { |
f25fce3e | 326 | return call_int_hook(settime, 0, ts, tz); |
20510f2f JM |
327 | } |
328 | ||
20510f2f JM |
329 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
330 | { | |
b1d9e6b0 CS |
331 | struct security_hook_list *hp; |
332 | int cap_sys_admin = 1; | |
333 | int rc; | |
334 | ||
335 | /* | |
336 | * The module will respond with a positive value if | |
337 | * it thinks the __vm_enough_memory() call should be | |
338 | * made with the cap_sys_admin set. If all of the modules | |
339 | * agree that it should be set it will. If any module | |
340 | * thinks it should not be set it won't. | |
341 | */ | |
df0ce173 | 342 | hlist_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) { |
b1d9e6b0 CS |
343 | rc = hp->hook.vm_enough_memory(mm, pages); |
344 | if (rc <= 0) { | |
345 | cap_sys_admin = 0; | |
346 | break; | |
347 | } | |
348 | } | |
349 | return __vm_enough_memory(mm, pages, cap_sys_admin); | |
20510f2f JM |
350 | } |
351 | ||
a6f76f23 | 352 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 353 | { |
f25fce3e | 354 | return call_int_hook(bprm_set_creds, 0, bprm); |
20510f2f JM |
355 | } |
356 | ||
a6f76f23 | 357 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 358 | { |
6c21a7fb MZ |
359 | int ret; |
360 | ||
f25fce3e | 361 | ret = call_int_hook(bprm_check_security, 0, bprm); |
6c21a7fb MZ |
362 | if (ret) |
363 | return ret; | |
364 | return ima_bprm_check(bprm); | |
20510f2f JM |
365 | } |
366 | ||
a6f76f23 | 367 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 368 | { |
f25fce3e | 369 | call_void_hook(bprm_committing_creds, bprm); |
20510f2f JM |
370 | } |
371 | ||
a6f76f23 | 372 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 373 | { |
f25fce3e | 374 | call_void_hook(bprm_committed_creds, bprm); |
20510f2f JM |
375 | } |
376 | ||
20510f2f JM |
377 | int security_sb_alloc(struct super_block *sb) |
378 | { | |
f25fce3e | 379 | return call_int_hook(sb_alloc_security, 0, sb); |
20510f2f JM |
380 | } |
381 | ||
382 | void security_sb_free(struct super_block *sb) | |
383 | { | |
f25fce3e | 384 | call_void_hook(sb_free_security, sb); |
20510f2f JM |
385 | } |
386 | ||
e0007529 | 387 | int security_sb_copy_data(char *orig, char *copy) |
20510f2f | 388 | { |
f25fce3e | 389 | return call_int_hook(sb_copy_data, 0, orig, copy); |
20510f2f | 390 | } |
e0007529 | 391 | EXPORT_SYMBOL(security_sb_copy_data); |
20510f2f | 392 | |
ff36fe2c EP |
393 | int security_sb_remount(struct super_block *sb, void *data) |
394 | { | |
f25fce3e | 395 | return call_int_hook(sb_remount, 0, sb, data); |
ff36fe2c EP |
396 | } |
397 | ||
12204e24 | 398 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
20510f2f | 399 | { |
f25fce3e | 400 | return call_int_hook(sb_kern_mount, 0, sb, flags, data); |
20510f2f JM |
401 | } |
402 | ||
2069f457 EP |
403 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
404 | { | |
f25fce3e | 405 | return call_int_hook(sb_show_options, 0, m, sb); |
2069f457 EP |
406 | } |
407 | ||
20510f2f JM |
408 | int security_sb_statfs(struct dentry *dentry) |
409 | { | |
f25fce3e | 410 | return call_int_hook(sb_statfs, 0, dentry); |
20510f2f JM |
411 | } |
412 | ||
8a04c43b | 413 | int security_sb_mount(const char *dev_name, const struct path *path, |
808d4e3c | 414 | const char *type, unsigned long flags, void *data) |
20510f2f | 415 | { |
f25fce3e | 416 | return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data); |
20510f2f JM |
417 | } |
418 | ||
20510f2f JM |
419 | int security_sb_umount(struct vfsmount *mnt, int flags) |
420 | { | |
f25fce3e | 421 | return call_int_hook(sb_umount, 0, mnt, flags); |
20510f2f JM |
422 | } |
423 | ||
3b73b68c | 424 | int security_sb_pivotroot(const struct path *old_path, const struct path *new_path) |
20510f2f | 425 | { |
f25fce3e | 426 | return call_int_hook(sb_pivotroot, 0, old_path, new_path); |
20510f2f JM |
427 | } |
428 | ||
c9180a57 | 429 | int security_sb_set_mnt_opts(struct super_block *sb, |
649f6e77 DQ |
430 | struct security_mnt_opts *opts, |
431 | unsigned long kern_flags, | |
432 | unsigned long *set_kern_flags) | |
c9180a57 | 433 | { |
b1d9e6b0 CS |
434 | return call_int_hook(sb_set_mnt_opts, |
435 | opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb, | |
436 | opts, kern_flags, set_kern_flags); | |
c9180a57 | 437 | } |
e0007529 | 438 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 439 | |
094f7b69 | 440 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
0b4d3452 SM |
441 | struct super_block *newsb, |
442 | unsigned long kern_flags, | |
443 | unsigned long *set_kern_flags) | |
c9180a57 | 444 | { |
0b4d3452 SM |
445 | return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb, |
446 | kern_flags, set_kern_flags); | |
c9180a57 | 447 | } |
e0007529 EP |
448 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
449 | ||
450 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
451 | { | |
f25fce3e | 452 | return call_int_hook(sb_parse_opts_str, 0, options, opts); |
e0007529 EP |
453 | } |
454 | EXPORT_SYMBOL(security_sb_parse_opts_str); | |
c9180a57 | 455 | |
20510f2f JM |
456 | int security_inode_alloc(struct inode *inode) |
457 | { | |
458 | inode->i_security = NULL; | |
f25fce3e | 459 | return call_int_hook(inode_alloc_security, 0, inode); |
20510f2f JM |
460 | } |
461 | ||
462 | void security_inode_free(struct inode *inode) | |
463 | { | |
f381c272 | 464 | integrity_inode_free(inode); |
f25fce3e | 465 | call_void_hook(inode_free_security, inode); |
20510f2f JM |
466 | } |
467 | ||
d47be3df | 468 | int security_dentry_init_security(struct dentry *dentry, int mode, |
4f3ccd76 | 469 | const struct qstr *name, void **ctx, |
d47be3df DQ |
470 | u32 *ctxlen) |
471 | { | |
b1d9e6b0 CS |
472 | return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode, |
473 | name, ctx, ctxlen); | |
d47be3df DQ |
474 | } |
475 | EXPORT_SYMBOL(security_dentry_init_security); | |
476 | ||
2602625b VG |
477 | int security_dentry_create_files_as(struct dentry *dentry, int mode, |
478 | struct qstr *name, | |
479 | const struct cred *old, struct cred *new) | |
480 | { | |
481 | return call_int_hook(dentry_create_files_as, 0, dentry, mode, | |
482 | name, old, new); | |
483 | } | |
484 | EXPORT_SYMBOL(security_dentry_create_files_as); | |
485 | ||
20510f2f | 486 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
487 | const struct qstr *qstr, |
488 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 489 | { |
823eb1cc MZ |
490 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
491 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
492 | int ret; |
493 | ||
20510f2f | 494 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 495 | return 0; |
9d8f13ba | 496 | |
9d8f13ba | 497 | if (!initxattrs) |
e308fd3b JB |
498 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, |
499 | dir, qstr, NULL, NULL, NULL); | |
9548906b | 500 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
9d8f13ba | 501 | lsm_xattr = new_xattrs; |
b1d9e6b0 | 502 | ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, |
9d8f13ba MZ |
503 | &lsm_xattr->name, |
504 | &lsm_xattr->value, | |
505 | &lsm_xattr->value_len); | |
506 | if (ret) | |
507 | goto out; | |
823eb1cc MZ |
508 | |
509 | evm_xattr = lsm_xattr + 1; | |
510 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
511 | if (ret) | |
512 | goto out; | |
9d8f13ba MZ |
513 | ret = initxattrs(inode, new_xattrs, fs_data); |
514 | out: | |
9548906b | 515 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
823eb1cc | 516 | kfree(xattr->value); |
9d8f13ba MZ |
517 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
518 | } | |
519 | EXPORT_SYMBOL(security_inode_init_security); | |
520 | ||
521 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 522 | const struct qstr *qstr, const char **name, |
9d8f13ba | 523 | void **value, size_t *len) |
20510f2f JM |
524 | { |
525 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 526 | return -EOPNOTSUPP; |
e308fd3b JB |
527 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, |
528 | qstr, name, value, len); | |
20510f2f | 529 | } |
9d8f13ba | 530 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 531 | |
be6d3e56 | 532 | #ifdef CONFIG_SECURITY_PATH |
d3607752 | 533 | int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
534 | unsigned int dev) |
535 | { | |
c6f493d6 | 536 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 537 | return 0; |
f25fce3e | 538 | return call_int_hook(path_mknod, 0, dir, dentry, mode, dev); |
be6d3e56 KT |
539 | } |
540 | EXPORT_SYMBOL(security_path_mknod); | |
541 | ||
d3607752 | 542 | int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 543 | { |
c6f493d6 | 544 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 545 | return 0; |
f25fce3e | 546 | return call_int_hook(path_mkdir, 0, dir, dentry, mode); |
be6d3e56 | 547 | } |
82140443 | 548 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 549 | |
989f74e0 | 550 | int security_path_rmdir(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 551 | { |
c6f493d6 | 552 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 553 | return 0; |
f25fce3e | 554 | return call_int_hook(path_rmdir, 0, dir, dentry); |
be6d3e56 KT |
555 | } |
556 | ||
989f74e0 | 557 | int security_path_unlink(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 558 | { |
c6f493d6 | 559 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 560 | return 0; |
f25fce3e | 561 | return call_int_hook(path_unlink, 0, dir, dentry); |
be6d3e56 | 562 | } |
82140443 | 563 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 564 | |
d3607752 | 565 | int security_path_symlink(const struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
566 | const char *old_name) |
567 | { | |
c6f493d6 | 568 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 569 | return 0; |
f25fce3e | 570 | return call_int_hook(path_symlink, 0, dir, dentry, old_name); |
be6d3e56 KT |
571 | } |
572 | ||
3ccee46a | 573 | int security_path_link(struct dentry *old_dentry, const struct path *new_dir, |
be6d3e56 KT |
574 | struct dentry *new_dentry) |
575 | { | |
c6f493d6 | 576 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
be6d3e56 | 577 | return 0; |
f25fce3e | 578 | return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry); |
be6d3e56 KT |
579 | } |
580 | ||
3ccee46a AV |
581 | int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, |
582 | const struct path *new_dir, struct dentry *new_dentry, | |
0b3974eb | 583 | unsigned int flags) |
be6d3e56 | 584 | { |
c6f493d6 DH |
585 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
586 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
be6d3e56 | 587 | return 0; |
da1ce067 MS |
588 | |
589 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e CS |
590 | int err = call_int_hook(path_rename, 0, new_dir, new_dentry, |
591 | old_dir, old_dentry); | |
da1ce067 MS |
592 | if (err) |
593 | return err; | |
594 | } | |
595 | ||
f25fce3e CS |
596 | return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, |
597 | new_dentry); | |
be6d3e56 | 598 | } |
82140443 | 599 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 600 | |
81f4c506 | 601 | int security_path_truncate(const struct path *path) |
be6d3e56 | 602 | { |
c6f493d6 | 603 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
be6d3e56 | 604 | return 0; |
f25fce3e | 605 | return call_int_hook(path_truncate, 0, path); |
be6d3e56 | 606 | } |
89eda068 | 607 | |
be01f9f2 | 608 | int security_path_chmod(const struct path *path, umode_t mode) |
89eda068 | 609 | { |
c6f493d6 | 610 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 611 | return 0; |
f25fce3e | 612 | return call_int_hook(path_chmod, 0, path, mode); |
89eda068 TH |
613 | } |
614 | ||
7fd25dac | 615 | int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
89eda068 | 616 | { |
c6f493d6 | 617 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 618 | return 0; |
f25fce3e | 619 | return call_int_hook(path_chown, 0, path, uid, gid); |
89eda068 | 620 | } |
8b8efb44 | 621 | |
77b286c0 | 622 | int security_path_chroot(const struct path *path) |
8b8efb44 | 623 | { |
f25fce3e | 624 | return call_int_hook(path_chroot, 0, path); |
8b8efb44 | 625 | } |
be6d3e56 KT |
626 | #endif |
627 | ||
4acdaf27 | 628 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
629 | { |
630 | if (unlikely(IS_PRIVATE(dir))) | |
631 | return 0; | |
f25fce3e | 632 | return call_int_hook(inode_create, 0, dir, dentry, mode); |
20510f2f | 633 | } |
800a9647 | 634 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
635 | |
636 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
637 | struct dentry *new_dentry) | |
638 | { | |
c6f493d6 | 639 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
20510f2f | 640 | return 0; |
f25fce3e | 641 | return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry); |
20510f2f JM |
642 | } |
643 | ||
644 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
645 | { | |
c6f493d6 | 646 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 647 | return 0; |
f25fce3e | 648 | return call_int_hook(inode_unlink, 0, dir, dentry); |
20510f2f JM |
649 | } |
650 | ||
651 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
652 | const char *old_name) | |
653 | { | |
654 | if (unlikely(IS_PRIVATE(dir))) | |
655 | return 0; | |
f25fce3e | 656 | return call_int_hook(inode_symlink, 0, dir, dentry, old_name); |
20510f2f JM |
657 | } |
658 | ||
18bb1db3 | 659 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
660 | { |
661 | if (unlikely(IS_PRIVATE(dir))) | |
662 | return 0; | |
f25fce3e | 663 | return call_int_hook(inode_mkdir, 0, dir, dentry, mode); |
20510f2f | 664 | } |
800a9647 | 665 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
666 | |
667 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
668 | { | |
c6f493d6 | 669 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 670 | return 0; |
f25fce3e | 671 | return call_int_hook(inode_rmdir, 0, dir, dentry); |
20510f2f JM |
672 | } |
673 | ||
1a67aafb | 674 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
675 | { |
676 | if (unlikely(IS_PRIVATE(dir))) | |
677 | return 0; | |
f25fce3e | 678 | return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev); |
20510f2f JM |
679 | } |
680 | ||
681 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
682 | struct inode *new_dir, struct dentry *new_dentry, |
683 | unsigned int flags) | |
20510f2f | 684 | { |
c6f493d6 DH |
685 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
686 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
20510f2f | 687 | return 0; |
da1ce067 MS |
688 | |
689 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e | 690 | int err = call_int_hook(inode_rename, 0, new_dir, new_dentry, |
da1ce067 MS |
691 | old_dir, old_dentry); |
692 | if (err) | |
693 | return err; | |
694 | } | |
695 | ||
f25fce3e | 696 | return call_int_hook(inode_rename, 0, old_dir, old_dentry, |
20510f2f JM |
697 | new_dir, new_dentry); |
698 | } | |
699 | ||
700 | int security_inode_readlink(struct dentry *dentry) | |
701 | { | |
c6f493d6 | 702 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 703 | return 0; |
f25fce3e | 704 | return call_int_hook(inode_readlink, 0, dentry); |
20510f2f JM |
705 | } |
706 | ||
bda0be7a N |
707 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
708 | bool rcu) | |
20510f2f | 709 | { |
bda0be7a | 710 | if (unlikely(IS_PRIVATE(inode))) |
20510f2f | 711 | return 0; |
e22619a2 | 712 | return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); |
20510f2f JM |
713 | } |
714 | ||
b77b0646 | 715 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
716 | { |
717 | if (unlikely(IS_PRIVATE(inode))) | |
718 | return 0; | |
f25fce3e | 719 | return call_int_hook(inode_permission, 0, inode, mask); |
20510f2f JM |
720 | } |
721 | ||
722 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
723 | { | |
817b54aa MZ |
724 | int ret; |
725 | ||
c6f493d6 | 726 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 727 | return 0; |
f25fce3e | 728 | ret = call_int_hook(inode_setattr, 0, dentry, attr); |
817b54aa MZ |
729 | if (ret) |
730 | return ret; | |
731 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 732 | } |
b1da47e2 | 733 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 734 | |
3f7036a0 | 735 | int security_inode_getattr(const struct path *path) |
20510f2f | 736 | { |
c6f493d6 | 737 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 738 | return 0; |
f25fce3e | 739 | return call_int_hook(inode_getattr, 0, path); |
20510f2f JM |
740 | } |
741 | ||
8f0cfa52 DH |
742 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
743 | const void *value, size_t size, int flags) | |
20510f2f | 744 | { |
3e1be52d MZ |
745 | int ret; |
746 | ||
c6f493d6 | 747 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 748 | return 0; |
b1d9e6b0 CS |
749 | /* |
750 | * SELinux and Smack integrate the cap call, | |
751 | * so assume that all LSMs supplying this call do so. | |
752 | */ | |
753 | ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, | |
f25fce3e | 754 | flags); |
b1d9e6b0 CS |
755 | |
756 | if (ret == 1) | |
757 | ret = cap_inode_setxattr(dentry, name, value, size, flags); | |
42c63330 MZ |
758 | if (ret) |
759 | return ret; | |
760 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
761 | if (ret) |
762 | return ret; | |
763 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
764 | } |
765 | ||
8f0cfa52 DH |
766 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
767 | const void *value, size_t size, int flags) | |
20510f2f | 768 | { |
c6f493d6 | 769 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 770 | return; |
f25fce3e | 771 | call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); |
3e1be52d | 772 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
773 | } |
774 | ||
8f0cfa52 | 775 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 776 | { |
c6f493d6 | 777 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 778 | return 0; |
f25fce3e | 779 | return call_int_hook(inode_getxattr, 0, dentry, name); |
20510f2f JM |
780 | } |
781 | ||
782 | int security_inode_listxattr(struct dentry *dentry) | |
783 | { | |
c6f493d6 | 784 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 785 | return 0; |
f25fce3e | 786 | return call_int_hook(inode_listxattr, 0, dentry); |
20510f2f JM |
787 | } |
788 | ||
8f0cfa52 | 789 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 790 | { |
3e1be52d MZ |
791 | int ret; |
792 | ||
c6f493d6 | 793 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 794 | return 0; |
b1d9e6b0 CS |
795 | /* |
796 | * SELinux and Smack integrate the cap call, | |
797 | * so assume that all LSMs supplying this call do so. | |
798 | */ | |
799 | ret = call_int_hook(inode_removexattr, 1, dentry, name); | |
800 | if (ret == 1) | |
801 | ret = cap_inode_removexattr(dentry, name); | |
42c63330 MZ |
802 | if (ret) |
803 | return ret; | |
804 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
805 | if (ret) |
806 | return ret; | |
807 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
808 | } |
809 | ||
b5376771 SH |
810 | int security_inode_need_killpriv(struct dentry *dentry) |
811 | { | |
f25fce3e | 812 | return call_int_hook(inode_need_killpriv, 0, dentry); |
b5376771 SH |
813 | } |
814 | ||
815 | int security_inode_killpriv(struct dentry *dentry) | |
816 | { | |
f25fce3e | 817 | return call_int_hook(inode_killpriv, 0, dentry); |
b5376771 SH |
818 | } |
819 | ||
ea861dfd | 820 | int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f | 821 | { |
2885c1e3 CS |
822 | struct security_hook_list *hp; |
823 | int rc; | |
824 | ||
20510f2f | 825 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 826 | return -EOPNOTSUPP; |
2885c1e3 CS |
827 | /* |
828 | * Only one module will provide an attribute with a given name. | |
829 | */ | |
df0ce173 | 830 | hlist_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { |
2885c1e3 CS |
831 | rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); |
832 | if (rc != -EOPNOTSUPP) | |
833 | return rc; | |
834 | } | |
835 | return -EOPNOTSUPP; | |
20510f2f JM |
836 | } |
837 | ||
838 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
839 | { | |
2885c1e3 CS |
840 | struct security_hook_list *hp; |
841 | int rc; | |
842 | ||
20510f2f | 843 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 844 | return -EOPNOTSUPP; |
2885c1e3 CS |
845 | /* |
846 | * Only one module will provide an attribute with a given name. | |
847 | */ | |
df0ce173 | 848 | hlist_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { |
2885c1e3 CS |
849 | rc = hp->hook.inode_setsecurity(inode, name, value, size, |
850 | flags); | |
851 | if (rc != -EOPNOTSUPP) | |
852 | return rc; | |
853 | } | |
854 | return -EOPNOTSUPP; | |
20510f2f JM |
855 | } |
856 | ||
857 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
858 | { | |
859 | if (unlikely(IS_PRIVATE(inode))) | |
860 | return 0; | |
f25fce3e | 861 | return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); |
20510f2f | 862 | } |
c9bccef6 | 863 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 864 | |
d6335d77 | 865 | void security_inode_getsecid(struct inode *inode, u32 *secid) |
8a076191 | 866 | { |
f25fce3e | 867 | call_void_hook(inode_getsecid, inode, secid); |
8a076191 AD |
868 | } |
869 | ||
d8ad8b49 VG |
870 | int security_inode_copy_up(struct dentry *src, struct cred **new) |
871 | { | |
872 | return call_int_hook(inode_copy_up, 0, src, new); | |
873 | } | |
874 | EXPORT_SYMBOL(security_inode_copy_up); | |
875 | ||
121ab822 VG |
876 | int security_inode_copy_up_xattr(const char *name) |
877 | { | |
878 | return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); | |
879 | } | |
880 | EXPORT_SYMBOL(security_inode_copy_up_xattr); | |
881 | ||
20510f2f JM |
882 | int security_file_permission(struct file *file, int mask) |
883 | { | |
c4ec54b4 EP |
884 | int ret; |
885 | ||
f25fce3e | 886 | ret = call_int_hook(file_permission, 0, file, mask); |
c4ec54b4 EP |
887 | if (ret) |
888 | return ret; | |
889 | ||
890 | return fsnotify_perm(file, mask); | |
20510f2f JM |
891 | } |
892 | ||
893 | int security_file_alloc(struct file *file) | |
894 | { | |
f25fce3e | 895 | return call_int_hook(file_alloc_security, 0, file); |
20510f2f JM |
896 | } |
897 | ||
898 | void security_file_free(struct file *file) | |
899 | { | |
f25fce3e | 900 | call_void_hook(file_free_security, file); |
20510f2f JM |
901 | } |
902 | ||
903 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
904 | { | |
f25fce3e | 905 | return call_int_hook(file_ioctl, 0, file, cmd, arg); |
20510f2f JM |
906 | } |
907 | ||
98de59bf | 908 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 909 | { |
8b3ec681 | 910 | /* |
98de59bf AV |
911 | * Does we have PROT_READ and does the application expect |
912 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 913 | */ |
98de59bf AV |
914 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
915 | return prot; | |
8b3ec681 | 916 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
917 | return prot; |
918 | /* | |
919 | * if that's an anonymous mapping, let it. | |
920 | */ | |
921 | if (!file) | |
922 | return prot | PROT_EXEC; | |
923 | /* | |
924 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 925 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf | 926 | */ |
90f8572b | 927 | if (!path_noexec(&file->f_path)) { |
8b3ec681 | 928 | #ifndef CONFIG_MMU |
b4caecd4 CH |
929 | if (file->f_op->mmap_capabilities) { |
930 | unsigned caps = file->f_op->mmap_capabilities(file); | |
931 | if (!(caps & NOMMU_MAP_EXEC)) | |
932 | return prot; | |
933 | } | |
8b3ec681 | 934 | #endif |
98de59bf | 935 | return prot | PROT_EXEC; |
8b3ec681 | 936 | } |
98de59bf AV |
937 | /* anything on noexec mount won't get PROT_EXEC */ |
938 | return prot; | |
939 | } | |
940 | ||
941 | int security_mmap_file(struct file *file, unsigned long prot, | |
942 | unsigned long flags) | |
943 | { | |
944 | int ret; | |
f25fce3e | 945 | ret = call_int_hook(mmap_file, 0, file, prot, |
98de59bf | 946 | mmap_prot(file, prot), flags); |
6c21a7fb MZ |
947 | if (ret) |
948 | return ret; | |
949 | return ima_file_mmap(file, prot); | |
20510f2f JM |
950 | } |
951 | ||
e5467859 AV |
952 | int security_mmap_addr(unsigned long addr) |
953 | { | |
f25fce3e | 954 | return call_int_hook(mmap_addr, 0, addr); |
e5467859 AV |
955 | } |
956 | ||
20510f2f JM |
957 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
958 | unsigned long prot) | |
959 | { | |
f25fce3e | 960 | return call_int_hook(file_mprotect, 0, vma, reqprot, prot); |
20510f2f JM |
961 | } |
962 | ||
963 | int security_file_lock(struct file *file, unsigned int cmd) | |
964 | { | |
f25fce3e | 965 | return call_int_hook(file_lock, 0, file, cmd); |
20510f2f JM |
966 | } |
967 | ||
968 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
969 | { | |
f25fce3e | 970 | return call_int_hook(file_fcntl, 0, file, cmd, arg); |
20510f2f JM |
971 | } |
972 | ||
e0b93edd | 973 | void security_file_set_fowner(struct file *file) |
20510f2f | 974 | { |
f25fce3e | 975 | call_void_hook(file_set_fowner, file); |
20510f2f JM |
976 | } |
977 | ||
978 | int security_file_send_sigiotask(struct task_struct *tsk, | |
979 | struct fown_struct *fown, int sig) | |
980 | { | |
f25fce3e | 981 | return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); |
20510f2f JM |
982 | } |
983 | ||
984 | int security_file_receive(struct file *file) | |
985 | { | |
f25fce3e | 986 | return call_int_hook(file_receive, 0, file); |
20510f2f JM |
987 | } |
988 | ||
e3f20ae2 | 989 | int security_file_open(struct file *file) |
20510f2f | 990 | { |
c4ec54b4 EP |
991 | int ret; |
992 | ||
94817692 | 993 | ret = call_int_hook(file_open, 0, file); |
c4ec54b4 EP |
994 | if (ret) |
995 | return ret; | |
996 | ||
997 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
998 | } |
999 | ||
e4e55b47 TH |
1000 | int security_task_alloc(struct task_struct *task, unsigned long clone_flags) |
1001 | { | |
1002 | return call_int_hook(task_alloc, 0, task, clone_flags); | |
1003 | } | |
1004 | ||
1a2a4d06 KC |
1005 | void security_task_free(struct task_struct *task) |
1006 | { | |
f25fce3e | 1007 | call_void_hook(task_free, task); |
1a2a4d06 KC |
1008 | } |
1009 | ||
ee18d64c DH |
1010 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
1011 | { | |
f25fce3e | 1012 | return call_int_hook(cred_alloc_blank, 0, cred, gfp); |
ee18d64c DH |
1013 | } |
1014 | ||
d84f4f99 | 1015 | void security_cred_free(struct cred *cred) |
20510f2f | 1016 | { |
f25fce3e | 1017 | call_void_hook(cred_free, cred); |
20510f2f JM |
1018 | } |
1019 | ||
d84f4f99 | 1020 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 1021 | { |
f25fce3e | 1022 | return call_int_hook(cred_prepare, 0, new, old, gfp); |
d84f4f99 DH |
1023 | } |
1024 | ||
ee18d64c DH |
1025 | void security_transfer_creds(struct cred *new, const struct cred *old) |
1026 | { | |
f25fce3e | 1027 | call_void_hook(cred_transfer, new, old); |
ee18d64c DH |
1028 | } |
1029 | ||
3ec30113 MG |
1030 | void security_cred_getsecid(const struct cred *c, u32 *secid) |
1031 | { | |
1032 | *secid = 0; | |
1033 | call_void_hook(cred_getsecid, c, secid); | |
1034 | } | |
1035 | EXPORT_SYMBOL(security_cred_getsecid); | |
1036 | ||
3a3b7ce9 DH |
1037 | int security_kernel_act_as(struct cred *new, u32 secid) |
1038 | { | |
f25fce3e | 1039 | return call_int_hook(kernel_act_as, 0, new, secid); |
3a3b7ce9 DH |
1040 | } |
1041 | ||
1042 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
1043 | { | |
f25fce3e | 1044 | return call_int_hook(kernel_create_files_as, 0, new, inode); |
3a3b7ce9 DH |
1045 | } |
1046 | ||
dd8dbf2e | 1047 | int security_kernel_module_request(char *kmod_name) |
9188499c | 1048 | { |
6eb864c1 MK |
1049 | int ret; |
1050 | ||
1051 | ret = call_int_hook(kernel_module_request, 0, kmod_name); | |
1052 | if (ret) | |
1053 | return ret; | |
1054 | return integrity_kernel_module_request(kmod_name); | |
9188499c EP |
1055 | } |
1056 | ||
39eeb4fb MZ |
1057 | int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) |
1058 | { | |
1059 | int ret; | |
1060 | ||
1061 | ret = call_int_hook(kernel_read_file, 0, file, id); | |
1062 | if (ret) | |
1063 | return ret; | |
1064 | return ima_read_file(file, id); | |
1065 | } | |
1066 | EXPORT_SYMBOL_GPL(security_kernel_read_file); | |
1067 | ||
bc8ca5b9 MZ |
1068 | int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, |
1069 | enum kernel_read_file_id id) | |
b44a7dfc | 1070 | { |
cf222217 MZ |
1071 | int ret; |
1072 | ||
1073 | ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); | |
1074 | if (ret) | |
1075 | return ret; | |
1076 | return ima_post_read_file(file, buf, size, id); | |
b44a7dfc MZ |
1077 | } |
1078 | EXPORT_SYMBOL_GPL(security_kernel_post_read_file); | |
1079 | ||
377179cd MZ |
1080 | int security_kernel_load_data(enum kernel_load_data_id id) |
1081 | { | |
16c267aa MZ |
1082 | int ret; |
1083 | ||
1084 | ret = call_int_hook(kernel_load_data, 0, id); | |
1085 | if (ret) | |
1086 | return ret; | |
1087 | return ima_load_data(id); | |
377179cd | 1088 | } |
83a68a06 | 1089 | EXPORT_SYMBOL_GPL(security_kernel_load_data); |
377179cd | 1090 | |
d84f4f99 DH |
1091 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
1092 | int flags) | |
20510f2f | 1093 | { |
f25fce3e | 1094 | return call_int_hook(task_fix_setuid, 0, new, old, flags); |
20510f2f JM |
1095 | } |
1096 | ||
20510f2f JM |
1097 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
1098 | { | |
f25fce3e | 1099 | return call_int_hook(task_setpgid, 0, p, pgid); |
20510f2f JM |
1100 | } |
1101 | ||
1102 | int security_task_getpgid(struct task_struct *p) | |
1103 | { | |
f25fce3e | 1104 | return call_int_hook(task_getpgid, 0, p); |
20510f2f JM |
1105 | } |
1106 | ||
1107 | int security_task_getsid(struct task_struct *p) | |
1108 | { | |
f25fce3e | 1109 | return call_int_hook(task_getsid, 0, p); |
20510f2f JM |
1110 | } |
1111 | ||
1112 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
1113 | { | |
b1d9e6b0 | 1114 | *secid = 0; |
f25fce3e | 1115 | call_void_hook(task_getsecid, p, secid); |
20510f2f JM |
1116 | } |
1117 | EXPORT_SYMBOL(security_task_getsecid); | |
1118 | ||
20510f2f JM |
1119 | int security_task_setnice(struct task_struct *p, int nice) |
1120 | { | |
f25fce3e | 1121 | return call_int_hook(task_setnice, 0, p, nice); |
20510f2f JM |
1122 | } |
1123 | ||
1124 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
1125 | { | |
f25fce3e | 1126 | return call_int_hook(task_setioprio, 0, p, ioprio); |
20510f2f JM |
1127 | } |
1128 | ||
1129 | int security_task_getioprio(struct task_struct *p) | |
1130 | { | |
f25fce3e | 1131 | return call_int_hook(task_getioprio, 0, p); |
20510f2f JM |
1132 | } |
1133 | ||
791ec491 SS |
1134 | int security_task_prlimit(const struct cred *cred, const struct cred *tcred, |
1135 | unsigned int flags) | |
1136 | { | |
1137 | return call_int_hook(task_prlimit, 0, cred, tcred, flags); | |
1138 | } | |
1139 | ||
8fd00b4d JS |
1140 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
1141 | struct rlimit *new_rlim) | |
20510f2f | 1142 | { |
f25fce3e | 1143 | return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); |
20510f2f JM |
1144 | } |
1145 | ||
b0ae1981 | 1146 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 1147 | { |
f25fce3e | 1148 | return call_int_hook(task_setscheduler, 0, p); |
20510f2f JM |
1149 | } |
1150 | ||
1151 | int security_task_getscheduler(struct task_struct *p) | |
1152 | { | |
f25fce3e | 1153 | return call_int_hook(task_getscheduler, 0, p); |
20510f2f JM |
1154 | } |
1155 | ||
1156 | int security_task_movememory(struct task_struct *p) | |
1157 | { | |
f25fce3e | 1158 | return call_int_hook(task_movememory, 0, p); |
20510f2f JM |
1159 | } |
1160 | ||
ae7795bc | 1161 | int security_task_kill(struct task_struct *p, struct kernel_siginfo *info, |
6b4f3d01 | 1162 | int sig, const struct cred *cred) |
20510f2f | 1163 | { |
6b4f3d01 | 1164 | return call_int_hook(task_kill, 0, p, info, sig, cred); |
20510f2f JM |
1165 | } |
1166 | ||
20510f2f | 1167 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
d84f4f99 | 1168 | unsigned long arg4, unsigned long arg5) |
20510f2f | 1169 | { |
b1d9e6b0 CS |
1170 | int thisrc; |
1171 | int rc = -ENOSYS; | |
1172 | struct security_hook_list *hp; | |
1173 | ||
df0ce173 | 1174 | hlist_for_each_entry(hp, &security_hook_heads.task_prctl, list) { |
b1d9e6b0 CS |
1175 | thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); |
1176 | if (thisrc != -ENOSYS) { | |
1177 | rc = thisrc; | |
1178 | if (thisrc != 0) | |
1179 | break; | |
1180 | } | |
1181 | } | |
1182 | return rc; | |
20510f2f JM |
1183 | } |
1184 | ||
1185 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
1186 | { | |
f25fce3e | 1187 | call_void_hook(task_to_inode, p, inode); |
20510f2f JM |
1188 | } |
1189 | ||
1190 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
1191 | { | |
f25fce3e | 1192 | return call_int_hook(ipc_permission, 0, ipcp, flag); |
20510f2f JM |
1193 | } |
1194 | ||
8a076191 AD |
1195 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
1196 | { | |
b1d9e6b0 | 1197 | *secid = 0; |
f25fce3e | 1198 | call_void_hook(ipc_getsecid, ipcp, secid); |
8a076191 AD |
1199 | } |
1200 | ||
20510f2f JM |
1201 | int security_msg_msg_alloc(struct msg_msg *msg) |
1202 | { | |
f25fce3e | 1203 | return call_int_hook(msg_msg_alloc_security, 0, msg); |
20510f2f JM |
1204 | } |
1205 | ||
1206 | void security_msg_msg_free(struct msg_msg *msg) | |
1207 | { | |
f25fce3e | 1208 | call_void_hook(msg_msg_free_security, msg); |
20510f2f JM |
1209 | } |
1210 | ||
d8c6e854 | 1211 | int security_msg_queue_alloc(struct kern_ipc_perm *msq) |
20510f2f | 1212 | { |
f25fce3e | 1213 | return call_int_hook(msg_queue_alloc_security, 0, msq); |
20510f2f JM |
1214 | } |
1215 | ||
d8c6e854 | 1216 | void security_msg_queue_free(struct kern_ipc_perm *msq) |
20510f2f | 1217 | { |
f25fce3e | 1218 | call_void_hook(msg_queue_free_security, msq); |
20510f2f JM |
1219 | } |
1220 | ||
d8c6e854 | 1221 | int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg) |
20510f2f | 1222 | { |
f25fce3e | 1223 | return call_int_hook(msg_queue_associate, 0, msq, msqflg); |
20510f2f JM |
1224 | } |
1225 | ||
d8c6e854 | 1226 | int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd) |
20510f2f | 1227 | { |
f25fce3e | 1228 | return call_int_hook(msg_queue_msgctl, 0, msq, cmd); |
20510f2f JM |
1229 | } |
1230 | ||
d8c6e854 | 1231 | int security_msg_queue_msgsnd(struct kern_ipc_perm *msq, |
20510f2f JM |
1232 | struct msg_msg *msg, int msqflg) |
1233 | { | |
f25fce3e | 1234 | return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); |
20510f2f JM |
1235 | } |
1236 | ||
d8c6e854 | 1237 | int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg, |
20510f2f JM |
1238 | struct task_struct *target, long type, int mode) |
1239 | { | |
f25fce3e | 1240 | return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); |
20510f2f JM |
1241 | } |
1242 | ||
7191adff | 1243 | int security_shm_alloc(struct kern_ipc_perm *shp) |
20510f2f | 1244 | { |
f25fce3e | 1245 | return call_int_hook(shm_alloc_security, 0, shp); |
20510f2f JM |
1246 | } |
1247 | ||
7191adff | 1248 | void security_shm_free(struct kern_ipc_perm *shp) |
20510f2f | 1249 | { |
f25fce3e | 1250 | call_void_hook(shm_free_security, shp); |
20510f2f JM |
1251 | } |
1252 | ||
7191adff | 1253 | int security_shm_associate(struct kern_ipc_perm *shp, int shmflg) |
20510f2f | 1254 | { |
f25fce3e | 1255 | return call_int_hook(shm_associate, 0, shp, shmflg); |
20510f2f JM |
1256 | } |
1257 | ||
7191adff | 1258 | int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd) |
20510f2f | 1259 | { |
f25fce3e | 1260 | return call_int_hook(shm_shmctl, 0, shp, cmd); |
20510f2f JM |
1261 | } |
1262 | ||
7191adff | 1263 | int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg) |
20510f2f | 1264 | { |
f25fce3e | 1265 | return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); |
20510f2f JM |
1266 | } |
1267 | ||
aefad959 | 1268 | int security_sem_alloc(struct kern_ipc_perm *sma) |
20510f2f | 1269 | { |
f25fce3e | 1270 | return call_int_hook(sem_alloc_security, 0, sma); |
20510f2f JM |
1271 | } |
1272 | ||
aefad959 | 1273 | void security_sem_free(struct kern_ipc_perm *sma) |
20510f2f | 1274 | { |
f25fce3e | 1275 | call_void_hook(sem_free_security, sma); |
20510f2f JM |
1276 | } |
1277 | ||
aefad959 | 1278 | int security_sem_associate(struct kern_ipc_perm *sma, int semflg) |
20510f2f | 1279 | { |
f25fce3e | 1280 | return call_int_hook(sem_associate, 0, sma, semflg); |
20510f2f JM |
1281 | } |
1282 | ||
aefad959 | 1283 | int security_sem_semctl(struct kern_ipc_perm *sma, int cmd) |
20510f2f | 1284 | { |
f25fce3e | 1285 | return call_int_hook(sem_semctl, 0, sma, cmd); |
20510f2f JM |
1286 | } |
1287 | ||
aefad959 | 1288 | int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops, |
20510f2f JM |
1289 | unsigned nsops, int alter) |
1290 | { | |
f25fce3e | 1291 | return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); |
20510f2f JM |
1292 | } |
1293 | ||
1294 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1295 | { | |
1296 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1297 | return; | |
f25fce3e | 1298 | call_void_hook(d_instantiate, dentry, inode); |
20510f2f JM |
1299 | } |
1300 | EXPORT_SYMBOL(security_d_instantiate); | |
1301 | ||
1302 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1303 | { | |
b1d9e6b0 | 1304 | return call_int_hook(getprocattr, -EINVAL, p, name, value); |
20510f2f JM |
1305 | } |
1306 | ||
b21507e2 | 1307 | int security_setprocattr(const char *name, void *value, size_t size) |
20510f2f | 1308 | { |
b21507e2 | 1309 | return call_int_hook(setprocattr, -EINVAL, name, value, size); |
20510f2f JM |
1310 | } |
1311 | ||
1312 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1313 | { | |
f25fce3e | 1314 | return call_int_hook(netlink_send, 0, sk, skb); |
20510f2f | 1315 | } |
20510f2f | 1316 | |
746df9b5 DQ |
1317 | int security_ismaclabel(const char *name) |
1318 | { | |
f25fce3e | 1319 | return call_int_hook(ismaclabel, 0, name); |
746df9b5 DQ |
1320 | } |
1321 | EXPORT_SYMBOL(security_ismaclabel); | |
1322 | ||
20510f2f JM |
1323 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1324 | { | |
b1d9e6b0 CS |
1325 | return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, |
1326 | seclen); | |
20510f2f JM |
1327 | } |
1328 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1329 | ||
7bf570dc | 1330 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 | 1331 | { |
b1d9e6b0 | 1332 | *secid = 0; |
f25fce3e | 1333 | return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); |
63cb3449 DH |
1334 | } |
1335 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1336 | ||
20510f2f JM |
1337 | void security_release_secctx(char *secdata, u32 seclen) |
1338 | { | |
f25fce3e | 1339 | call_void_hook(release_secctx, secdata, seclen); |
20510f2f JM |
1340 | } |
1341 | EXPORT_SYMBOL(security_release_secctx); | |
1342 | ||
6f3be9f5 AG |
1343 | void security_inode_invalidate_secctx(struct inode *inode) |
1344 | { | |
1345 | call_void_hook(inode_invalidate_secctx, inode); | |
1346 | } | |
1347 | EXPORT_SYMBOL(security_inode_invalidate_secctx); | |
1348 | ||
1ee65e37 DQ |
1349 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1350 | { | |
f25fce3e | 1351 | return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); |
1ee65e37 DQ |
1352 | } |
1353 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1354 | ||
1355 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1356 | { | |
f25fce3e | 1357 | return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); |
1ee65e37 DQ |
1358 | } |
1359 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1360 | ||
1361 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1362 | { | |
b1d9e6b0 | 1363 | return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); |
1ee65e37 DQ |
1364 | } |
1365 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1366 | ||
20510f2f JM |
1367 | #ifdef CONFIG_SECURITY_NETWORK |
1368 | ||
3610cda5 | 1369 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f | 1370 | { |
f25fce3e | 1371 | return call_int_hook(unix_stream_connect, 0, sock, other, newsk); |
20510f2f JM |
1372 | } |
1373 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1374 | ||
1375 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1376 | { | |
f25fce3e | 1377 | return call_int_hook(unix_may_send, 0, sock, other); |
20510f2f JM |
1378 | } |
1379 | EXPORT_SYMBOL(security_unix_may_send); | |
1380 | ||
1381 | int security_socket_create(int family, int type, int protocol, int kern) | |
1382 | { | |
f25fce3e | 1383 | return call_int_hook(socket_create, 0, family, type, protocol, kern); |
20510f2f JM |
1384 | } |
1385 | ||
1386 | int security_socket_post_create(struct socket *sock, int family, | |
1387 | int type, int protocol, int kern) | |
1388 | { | |
f25fce3e | 1389 | return call_int_hook(socket_post_create, 0, sock, family, type, |
20510f2f JM |
1390 | protocol, kern); |
1391 | } | |
1392 | ||
aae7cfcb DH |
1393 | int security_socket_socketpair(struct socket *socka, struct socket *sockb) |
1394 | { | |
1395 | return call_int_hook(socket_socketpair, 0, socka, sockb); | |
1396 | } | |
1397 | EXPORT_SYMBOL(security_socket_socketpair); | |
1398 | ||
20510f2f JM |
1399 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) |
1400 | { | |
f25fce3e | 1401 | return call_int_hook(socket_bind, 0, sock, address, addrlen); |
20510f2f JM |
1402 | } |
1403 | ||
1404 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1405 | { | |
f25fce3e | 1406 | return call_int_hook(socket_connect, 0, sock, address, addrlen); |
20510f2f JM |
1407 | } |
1408 | ||
1409 | int security_socket_listen(struct socket *sock, int backlog) | |
1410 | { | |
f25fce3e | 1411 | return call_int_hook(socket_listen, 0, sock, backlog); |
20510f2f JM |
1412 | } |
1413 | ||
1414 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1415 | { | |
f25fce3e | 1416 | return call_int_hook(socket_accept, 0, sock, newsock); |
20510f2f JM |
1417 | } |
1418 | ||
20510f2f JM |
1419 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1420 | { | |
f25fce3e | 1421 | return call_int_hook(socket_sendmsg, 0, sock, msg, size); |
20510f2f JM |
1422 | } |
1423 | ||
1424 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1425 | int size, int flags) | |
1426 | { | |
f25fce3e | 1427 | return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); |
20510f2f JM |
1428 | } |
1429 | ||
1430 | int security_socket_getsockname(struct socket *sock) | |
1431 | { | |
f25fce3e | 1432 | return call_int_hook(socket_getsockname, 0, sock); |
20510f2f JM |
1433 | } |
1434 | ||
1435 | int security_socket_getpeername(struct socket *sock) | |
1436 | { | |
f25fce3e | 1437 | return call_int_hook(socket_getpeername, 0, sock); |
20510f2f JM |
1438 | } |
1439 | ||
1440 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1441 | { | |
f25fce3e | 1442 | return call_int_hook(socket_getsockopt, 0, sock, level, optname); |
20510f2f JM |
1443 | } |
1444 | ||
1445 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1446 | { | |
f25fce3e | 1447 | return call_int_hook(socket_setsockopt, 0, sock, level, optname); |
20510f2f JM |
1448 | } |
1449 | ||
1450 | int security_socket_shutdown(struct socket *sock, int how) | |
1451 | { | |
f25fce3e | 1452 | return call_int_hook(socket_shutdown, 0, sock, how); |
20510f2f JM |
1453 | } |
1454 | ||
1455 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1456 | { | |
f25fce3e | 1457 | return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); |
20510f2f JM |
1458 | } |
1459 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1460 | ||
1461 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1462 | int __user *optlen, unsigned len) | |
1463 | { | |
b1d9e6b0 CS |
1464 | return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, |
1465 | optval, optlen, len); | |
20510f2f JM |
1466 | } |
1467 | ||
1468 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1469 | { | |
e308fd3b JB |
1470 | return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, |
1471 | skb, secid); | |
20510f2f JM |
1472 | } |
1473 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1474 | ||
1475 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1476 | { | |
f25fce3e | 1477 | return call_int_hook(sk_alloc_security, 0, sk, family, priority); |
20510f2f JM |
1478 | } |
1479 | ||
1480 | void security_sk_free(struct sock *sk) | |
1481 | { | |
f25fce3e | 1482 | call_void_hook(sk_free_security, sk); |
20510f2f JM |
1483 | } |
1484 | ||
1485 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1486 | { | |
f25fce3e | 1487 | call_void_hook(sk_clone_security, sk, newsk); |
20510f2f | 1488 | } |
6230c9b4 | 1489 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1490 | |
1491 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1492 | { | |
f25fce3e | 1493 | call_void_hook(sk_getsecid, sk, &fl->flowi_secid); |
20510f2f JM |
1494 | } |
1495 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1496 | ||
1497 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1498 | { | |
f25fce3e | 1499 | call_void_hook(req_classify_flow, req, fl); |
20510f2f JM |
1500 | } |
1501 | EXPORT_SYMBOL(security_req_classify_flow); | |
1502 | ||
1503 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1504 | { | |
f25fce3e | 1505 | call_void_hook(sock_graft, sk, parent); |
20510f2f JM |
1506 | } |
1507 | EXPORT_SYMBOL(security_sock_graft); | |
1508 | ||
1509 | int security_inet_conn_request(struct sock *sk, | |
1510 | struct sk_buff *skb, struct request_sock *req) | |
1511 | { | |
f25fce3e | 1512 | return call_int_hook(inet_conn_request, 0, sk, skb, req); |
20510f2f JM |
1513 | } |
1514 | EXPORT_SYMBOL(security_inet_conn_request); | |
1515 | ||
1516 | void security_inet_csk_clone(struct sock *newsk, | |
1517 | const struct request_sock *req) | |
1518 | { | |
f25fce3e | 1519 | call_void_hook(inet_csk_clone, newsk, req); |
20510f2f JM |
1520 | } |
1521 | ||
1522 | void security_inet_conn_established(struct sock *sk, | |
1523 | struct sk_buff *skb) | |
1524 | { | |
f25fce3e | 1525 | call_void_hook(inet_conn_established, sk, skb); |
20510f2f | 1526 | } |
72e89f50 | 1527 | EXPORT_SYMBOL(security_inet_conn_established); |
20510f2f | 1528 | |
2606fd1f EP |
1529 | int security_secmark_relabel_packet(u32 secid) |
1530 | { | |
f25fce3e | 1531 | return call_int_hook(secmark_relabel_packet, 0, secid); |
2606fd1f EP |
1532 | } |
1533 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1534 | ||
1535 | void security_secmark_refcount_inc(void) | |
1536 | { | |
f25fce3e | 1537 | call_void_hook(secmark_refcount_inc); |
2606fd1f EP |
1538 | } |
1539 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1540 | ||
1541 | void security_secmark_refcount_dec(void) | |
1542 | { | |
f25fce3e | 1543 | call_void_hook(secmark_refcount_dec); |
2606fd1f EP |
1544 | } |
1545 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1546 | ||
5dbbaf2d PM |
1547 | int security_tun_dev_alloc_security(void **security) |
1548 | { | |
f25fce3e | 1549 | return call_int_hook(tun_dev_alloc_security, 0, security); |
5dbbaf2d PM |
1550 | } |
1551 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1552 | ||
1553 | void security_tun_dev_free_security(void *security) | |
1554 | { | |
f25fce3e | 1555 | call_void_hook(tun_dev_free_security, security); |
5dbbaf2d PM |
1556 | } |
1557 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1558 | ||
2b980dbd PM |
1559 | int security_tun_dev_create(void) |
1560 | { | |
f25fce3e | 1561 | return call_int_hook(tun_dev_create, 0); |
2b980dbd PM |
1562 | } |
1563 | EXPORT_SYMBOL(security_tun_dev_create); | |
1564 | ||
5dbbaf2d | 1565 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1566 | { |
f25fce3e | 1567 | return call_int_hook(tun_dev_attach_queue, 0, security); |
2b980dbd | 1568 | } |
5dbbaf2d | 1569 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1570 | |
5dbbaf2d | 1571 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1572 | { |
f25fce3e | 1573 | return call_int_hook(tun_dev_attach, 0, sk, security); |
2b980dbd PM |
1574 | } |
1575 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1576 | ||
5dbbaf2d PM |
1577 | int security_tun_dev_open(void *security) |
1578 | { | |
f25fce3e | 1579 | return call_int_hook(tun_dev_open, 0, security); |
5dbbaf2d PM |
1580 | } |
1581 | EXPORT_SYMBOL(security_tun_dev_open); | |
1582 | ||
72e89f50 RH |
1583 | int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb) |
1584 | { | |
1585 | return call_int_hook(sctp_assoc_request, 0, ep, skb); | |
1586 | } | |
1587 | EXPORT_SYMBOL(security_sctp_assoc_request); | |
1588 | ||
1589 | int security_sctp_bind_connect(struct sock *sk, int optname, | |
1590 | struct sockaddr *address, int addrlen) | |
1591 | { | |
1592 | return call_int_hook(sctp_bind_connect, 0, sk, optname, | |
1593 | address, addrlen); | |
1594 | } | |
1595 | EXPORT_SYMBOL(security_sctp_bind_connect); | |
1596 | ||
1597 | void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk, | |
1598 | struct sock *newsk) | |
1599 | { | |
1600 | call_void_hook(sctp_sk_clone, ep, sk, newsk); | |
1601 | } | |
1602 | EXPORT_SYMBOL(security_sctp_sk_clone); | |
1603 | ||
20510f2f JM |
1604 | #endif /* CONFIG_SECURITY_NETWORK */ |
1605 | ||
d291f1a6 DJ |
1606 | #ifdef CONFIG_SECURITY_INFINIBAND |
1607 | ||
1608 | int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey) | |
1609 | { | |
1610 | return call_int_hook(ib_pkey_access, 0, sec, subnet_prefix, pkey); | |
1611 | } | |
1612 | EXPORT_SYMBOL(security_ib_pkey_access); | |
1613 | ||
47a2b338 DJ |
1614 | int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num) |
1615 | { | |
1616 | return call_int_hook(ib_endport_manage_subnet, 0, sec, dev_name, port_num); | |
1617 | } | |
1618 | EXPORT_SYMBOL(security_ib_endport_manage_subnet); | |
1619 | ||
d291f1a6 DJ |
1620 | int security_ib_alloc_security(void **sec) |
1621 | { | |
1622 | return call_int_hook(ib_alloc_security, 0, sec); | |
1623 | } | |
1624 | EXPORT_SYMBOL(security_ib_alloc_security); | |
1625 | ||
1626 | void security_ib_free_security(void *sec) | |
1627 | { | |
1628 | call_void_hook(ib_free_security, sec); | |
1629 | } | |
1630 | EXPORT_SYMBOL(security_ib_free_security); | |
1631 | #endif /* CONFIG_SECURITY_INFINIBAND */ | |
1632 | ||
20510f2f JM |
1633 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1634 | ||
52a4c640 NA |
1635 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1636 | struct xfrm_user_sec_ctx *sec_ctx, | |
1637 | gfp_t gfp) | |
20510f2f | 1638 | { |
f25fce3e | 1639 | return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); |
20510f2f JM |
1640 | } |
1641 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1642 | ||
03e1ad7b PM |
1643 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1644 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1645 | { |
f25fce3e | 1646 | return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); |
20510f2f JM |
1647 | } |
1648 | ||
03e1ad7b | 1649 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1650 | { |
f25fce3e | 1651 | call_void_hook(xfrm_policy_free_security, ctx); |
20510f2f JM |
1652 | } |
1653 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1654 | ||
03e1ad7b | 1655 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1656 | { |
f25fce3e | 1657 | return call_int_hook(xfrm_policy_delete_security, 0, ctx); |
20510f2f JM |
1658 | } |
1659 | ||
2e5aa866 PM |
1660 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1661 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1662 | { |
f25fce3e | 1663 | return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); |
20510f2f JM |
1664 | } |
1665 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1666 | ||
1667 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1668 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1669 | { | |
f25fce3e | 1670 | return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); |
20510f2f JM |
1671 | } |
1672 | ||
1673 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1674 | { | |
f25fce3e | 1675 | return call_int_hook(xfrm_state_delete_security, 0, x); |
20510f2f JM |
1676 | } |
1677 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1678 | ||
1679 | void security_xfrm_state_free(struct xfrm_state *x) | |
1680 | { | |
f25fce3e | 1681 | call_void_hook(xfrm_state_free_security, x); |
20510f2f JM |
1682 | } |
1683 | ||
03e1ad7b | 1684 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1685 | { |
f25fce3e | 1686 | return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); |
20510f2f JM |
1687 | } |
1688 | ||
1689 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1690 | struct xfrm_policy *xp, |
1691 | const struct flowi *fl) | |
20510f2f | 1692 | { |
b1d9e6b0 CS |
1693 | struct security_hook_list *hp; |
1694 | int rc = 1; | |
1695 | ||
1696 | /* | |
1697 | * Since this function is expected to return 0 or 1, the judgment | |
1698 | * becomes difficult if multiple LSMs supply this call. Fortunately, | |
1699 | * we can use the first LSM's judgment because currently only SELinux | |
1700 | * supplies this call. | |
1701 | * | |
1702 | * For speed optimization, we explicitly break the loop rather than | |
1703 | * using the macro | |
1704 | */ | |
df0ce173 | 1705 | hlist_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, |
b1d9e6b0 CS |
1706 | list) { |
1707 | rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); | |
1708 | break; | |
1709 | } | |
1710 | return rc; | |
20510f2f JM |
1711 | } |
1712 | ||
1713 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1714 | { | |
f25fce3e | 1715 | return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); |
20510f2f JM |
1716 | } |
1717 | ||
1718 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1719 | { | |
f25fce3e CS |
1720 | int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, |
1721 | 0); | |
20510f2f JM |
1722 | |
1723 | BUG_ON(rc); | |
1724 | } | |
1725 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1726 | ||
1727 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1728 | ||
1729 | #ifdef CONFIG_KEYS | |
1730 | ||
d84f4f99 DH |
1731 | int security_key_alloc(struct key *key, const struct cred *cred, |
1732 | unsigned long flags) | |
20510f2f | 1733 | { |
f25fce3e | 1734 | return call_int_hook(key_alloc, 0, key, cred, flags); |
20510f2f JM |
1735 | } |
1736 | ||
1737 | void security_key_free(struct key *key) | |
1738 | { | |
f25fce3e | 1739 | call_void_hook(key_free, key); |
20510f2f JM |
1740 | } |
1741 | ||
1742 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1743 | const struct cred *cred, unsigned perm) |
20510f2f | 1744 | { |
f25fce3e | 1745 | return call_int_hook(key_permission, 0, key_ref, cred, perm); |
20510f2f JM |
1746 | } |
1747 | ||
70a5bb72 DH |
1748 | int security_key_getsecurity(struct key *key, char **_buffer) |
1749 | { | |
b1d9e6b0 | 1750 | *_buffer = NULL; |
f25fce3e | 1751 | return call_int_hook(key_getsecurity, 0, key, _buffer); |
70a5bb72 DH |
1752 | } |
1753 | ||
20510f2f | 1754 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1755 | |
1756 | #ifdef CONFIG_AUDIT | |
1757 | ||
1758 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1759 | { | |
f25fce3e | 1760 | return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); |
03d37d25 AD |
1761 | } |
1762 | ||
1763 | int security_audit_rule_known(struct audit_krule *krule) | |
1764 | { | |
f25fce3e | 1765 | return call_int_hook(audit_rule_known, 0, krule); |
03d37d25 AD |
1766 | } |
1767 | ||
1768 | void security_audit_rule_free(void *lsmrule) | |
1769 | { | |
f25fce3e | 1770 | call_void_hook(audit_rule_free, lsmrule); |
03d37d25 AD |
1771 | } |
1772 | ||
1773 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1774 | struct audit_context *actx) | |
1775 | { | |
f25fce3e CS |
1776 | return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, |
1777 | actx); | |
03d37d25 | 1778 | } |
b1d9e6b0 | 1779 | #endif /* CONFIG_AUDIT */ |
afdb09c7 CF |
1780 | |
1781 | #ifdef CONFIG_BPF_SYSCALL | |
1782 | int security_bpf(int cmd, union bpf_attr *attr, unsigned int size) | |
1783 | { | |
1784 | return call_int_hook(bpf, 0, cmd, attr, size); | |
1785 | } | |
1786 | int security_bpf_map(struct bpf_map *map, fmode_t fmode) | |
1787 | { | |
1788 | return call_int_hook(bpf_map, 0, map, fmode); | |
1789 | } | |
1790 | int security_bpf_prog(struct bpf_prog *prog) | |
1791 | { | |
1792 | return call_int_hook(bpf_prog, 0, prog); | |
1793 | } | |
1794 | int security_bpf_map_alloc(struct bpf_map *map) | |
1795 | { | |
1796 | return call_int_hook(bpf_map_alloc_security, 0, map); | |
1797 | } | |
1798 | int security_bpf_prog_alloc(struct bpf_prog_aux *aux) | |
1799 | { | |
1800 | return call_int_hook(bpf_prog_alloc_security, 0, aux); | |
1801 | } | |
1802 | void security_bpf_map_free(struct bpf_map *map) | |
1803 | { | |
1804 | call_void_hook(bpf_map_free_security, map); | |
1805 | } | |
1806 | void security_bpf_prog_free(struct bpf_prog_aux *aux) | |
1807 | { | |
1808 | call_void_hook(bpf_prog_free_security, aux); | |
1809 | } | |
1810 | #endif /* CONFIG_BPF_SYSCALL */ |