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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> | |
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> |
876979c9 | 20 | #include <linux/export.h> |
1da177e4 LT |
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 | ||
2d4d5119 KC |
40 | /* How many LSMs were built into the kernel? */ |
41 | #define LSM_COUNT (__end_lsm_info - __start_lsm_info) | |
42 | ||
3dfc9b02 | 43 | struct security_hook_heads security_hook_heads __lsm_ro_after_init; |
8f408ab6 DJ |
44 | static ATOMIC_NOTIFIER_HEAD(lsm_notifier_chain); |
45 | ||
d69dece5 | 46 | char *lsm_names; |
076c54c5 | 47 | /* Boot-time LSM user choice */ |
6e65f92f JJ |
48 | static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = |
49 | CONFIG_DEFAULT_SECURITY; | |
1da177e4 | 50 | |
13e735c0 KC |
51 | static __initconst const char * const builtin_lsm_order = CONFIG_LSM; |
52 | ||
2d4d5119 KC |
53 | /* Ordered list of LSMs to initialize. */ |
54 | static __initdata struct lsm_info **ordered_lsms; | |
55 | ||
9b8c7c14 KC |
56 | static __initdata bool debug; |
57 | #define init_debug(...) \ | |
58 | do { \ | |
59 | if (debug) \ | |
60 | pr_info(__VA_ARGS__); \ | |
61 | } while (0) | |
62 | ||
f4941d75 KC |
63 | static bool __init is_enabled(struct lsm_info *lsm) |
64 | { | |
65 | if (!lsm->enabled || *lsm->enabled) | |
66 | return true; | |
67 | ||
68 | return false; | |
69 | } | |
70 | ||
71 | /* Mark an LSM's enabled flag. */ | |
72 | static int lsm_enabled_true __initdata = 1; | |
73 | static int lsm_enabled_false __initdata = 0; | |
74 | static void __init set_enabled(struct lsm_info *lsm, bool enabled) | |
75 | { | |
76 | /* | |
77 | * When an LSM hasn't configured an enable variable, we can use | |
78 | * a hard-coded location for storing the default enabled state. | |
79 | */ | |
80 | if (!lsm->enabled) { | |
81 | if (enabled) | |
82 | lsm->enabled = &lsm_enabled_true; | |
83 | else | |
84 | lsm->enabled = &lsm_enabled_false; | |
85 | } else if (lsm->enabled == &lsm_enabled_true) { | |
86 | if (!enabled) | |
87 | lsm->enabled = &lsm_enabled_false; | |
88 | } else if (lsm->enabled == &lsm_enabled_false) { | |
89 | if (enabled) | |
90 | lsm->enabled = &lsm_enabled_true; | |
91 | } else { | |
92 | *lsm->enabled = enabled; | |
93 | } | |
94 | } | |
95 | ||
2d4d5119 KC |
96 | /* Is an LSM already listed in the ordered LSMs list? */ |
97 | static bool __init exists_ordered_lsm(struct lsm_info *lsm) | |
98 | { | |
99 | struct lsm_info **check; | |
100 | ||
101 | for (check = ordered_lsms; *check; check++) | |
102 | if (*check == lsm) | |
103 | return true; | |
104 | ||
105 | return false; | |
106 | } | |
107 | ||
108 | /* Append an LSM to the list of ordered LSMs to initialize. */ | |
109 | static int last_lsm __initdata; | |
110 | static void __init append_ordered_lsm(struct lsm_info *lsm, const char *from) | |
111 | { | |
112 | /* Ignore duplicate selections. */ | |
113 | if (exists_ordered_lsm(lsm)) | |
114 | return; | |
115 | ||
116 | if (WARN(last_lsm == LSM_COUNT, "%s: out of LSM slots!?\n", from)) | |
117 | return; | |
118 | ||
119 | ordered_lsms[last_lsm++] = lsm; | |
120 | init_debug("%s ordering: %s (%sabled)\n", from, lsm->name, | |
121 | is_enabled(lsm) ? "en" : "dis"); | |
122 | } | |
123 | ||
f4941d75 KC |
124 | /* Is an LSM allowed to be initialized? */ |
125 | static bool __init lsm_allowed(struct lsm_info *lsm) | |
126 | { | |
127 | /* Skip if the LSM is disabled. */ | |
128 | if (!is_enabled(lsm)) | |
129 | return false; | |
130 | ||
131 | /* Skip major-specific checks if not a major LSM. */ | |
132 | if ((lsm->flags & LSM_FLAG_LEGACY_MAJOR) == 0) | |
133 | return true; | |
134 | ||
135 | /* Disabled if this LSM isn't the chosen one. */ | |
136 | if (strcmp(lsm->name, chosen_lsm) != 0) | |
137 | return false; | |
138 | ||
139 | return true; | |
140 | } | |
141 | ||
142 | /* Check if LSM should be initialized. */ | |
143 | static void __init maybe_initialize_lsm(struct lsm_info *lsm) | |
144 | { | |
145 | int enabled = lsm_allowed(lsm); | |
146 | ||
147 | /* Record enablement (to handle any following exclusive LSMs). */ | |
148 | set_enabled(lsm, enabled); | |
149 | ||
150 | /* If selected, initialize the LSM. */ | |
151 | if (enabled) { | |
152 | int ret; | |
153 | ||
154 | init_debug("initializing %s\n", lsm->name); | |
155 | ret = lsm->init(); | |
156 | WARN(ret, "%s failed to initialize: %d\n", lsm->name, ret); | |
157 | } | |
158 | } | |
159 | ||
13e735c0 | 160 | /* Populate ordered LSMs list from comma-separated LSM name list. */ |
2d4d5119 | 161 | static void __init ordered_lsm_parse(const char *order, const char *origin) |
657d910b KC |
162 | { |
163 | struct lsm_info *lsm; | |
13e735c0 KC |
164 | char *sep, *name, *next; |
165 | ||
166 | sep = kstrdup(order, GFP_KERNEL); | |
167 | next = sep; | |
168 | /* Walk the list, looking for matching LSMs. */ | |
169 | while ((name = strsep(&next, ",")) != NULL) { | |
170 | bool found = false; | |
171 | ||
172 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
173 | if ((lsm->flags & LSM_FLAG_LEGACY_MAJOR) == 0 && | |
174 | strcmp(lsm->name, name) == 0) { | |
175 | append_ordered_lsm(lsm, origin); | |
176 | found = true; | |
177 | } | |
178 | } | |
179 | ||
180 | if (!found) | |
181 | init_debug("%s ignored: %s\n", origin, name); | |
657d910b | 182 | } |
13e735c0 | 183 | kfree(sep); |
657d910b KC |
184 | } |
185 | ||
2d4d5119 KC |
186 | static void __init ordered_lsm_init(void) |
187 | { | |
188 | struct lsm_info **lsm; | |
189 | ||
190 | ordered_lsms = kcalloc(LSM_COUNT + 1, sizeof(*ordered_lsms), | |
191 | GFP_KERNEL); | |
192 | ||
13e735c0 | 193 | ordered_lsm_parse(builtin_lsm_order, "builtin"); |
2d4d5119 KC |
194 | |
195 | for (lsm = ordered_lsms; *lsm; lsm++) | |
196 | maybe_initialize_lsm(*lsm); | |
197 | ||
198 | kfree(ordered_lsms); | |
199 | } | |
200 | ||
5b89c1bd | 201 | static void __init major_lsm_init(void) |
1da177e4 | 202 | { |
5b89c1bd KC |
203 | struct lsm_info *lsm; |
204 | ||
205 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
657d910b KC |
206 | if ((lsm->flags & LSM_FLAG_LEGACY_MAJOR) == 0) |
207 | continue; | |
208 | ||
f4941d75 | 209 | maybe_initialize_lsm(lsm); |
1da177e4 LT |
210 | } |
211 | } | |
212 | ||
213 | /** | |
214 | * security_init - initializes the security framework | |
215 | * | |
216 | * This should be called early in the kernel initialization sequence. | |
217 | */ | |
218 | int __init security_init(void) | |
219 | { | |
3dfc9b02 | 220 | int i; |
df0ce173 | 221 | struct hlist_head *list = (struct hlist_head *) &security_hook_heads; |
3dfc9b02 | 222 | |
98d29170 KC |
223 | pr_info("Security Framework initializing\n"); |
224 | ||
df0ce173 | 225 | for (i = 0; i < sizeof(security_hook_heads) / sizeof(struct hlist_head); |
3dfc9b02 | 226 | i++) |
df0ce173 | 227 | INIT_HLIST_HEAD(&list[i]); |
1da177e4 | 228 | |
b1d9e6b0 | 229 | /* |
730daa16 | 230 | * Load minor LSMs, with the capability module always first. |
b1d9e6b0 CS |
231 | */ |
232 | capability_add_hooks(); | |
b1d9e6b0 | 233 | yama_add_hooks(); |
9b091556 | 234 | loadpin_add_hooks(); |
730daa16 | 235 | |
657d910b KC |
236 | /* Load LSMs in specified order. */ |
237 | ordered_lsm_init(); | |
238 | ||
b1d9e6b0 | 239 | /* |
730daa16 | 240 | * Load all the remaining security modules. |
b1d9e6b0 | 241 | */ |
5b89c1bd | 242 | major_lsm_init(); |
1da177e4 LT |
243 | |
244 | return 0; | |
245 | } | |
246 | ||
076c54c5 AD |
247 | /* Save user chosen LSM */ |
248 | static int __init choose_lsm(char *str) | |
249 | { | |
250 | strncpy(chosen_lsm, str, SECURITY_NAME_MAX); | |
251 | return 1; | |
252 | } | |
253 | __setup("security=", choose_lsm); | |
254 | ||
9b8c7c14 KC |
255 | /* Enable LSM order debugging. */ |
256 | static int __init enable_debug(char *str) | |
257 | { | |
258 | debug = true; | |
259 | return 1; | |
260 | } | |
261 | __setup("lsm.debug", enable_debug); | |
262 | ||
3bb857e4 MS |
263 | static bool match_last_lsm(const char *list, const char *lsm) |
264 | { | |
265 | const char *last; | |
266 | ||
267 | if (WARN_ON(!list || !lsm)) | |
268 | return false; | |
269 | last = strrchr(list, ','); | |
270 | if (last) | |
271 | /* Pass the comma, strcmp() will check for '\0' */ | |
272 | last++; | |
273 | else | |
274 | last = list; | |
275 | return !strcmp(last, lsm); | |
276 | } | |
277 | ||
d69dece5 CS |
278 | static int lsm_append(char *new, char **result) |
279 | { | |
280 | char *cp; | |
281 | ||
282 | if (*result == NULL) { | |
283 | *result = kstrdup(new, GFP_KERNEL); | |
87ea5843 EB |
284 | if (*result == NULL) |
285 | return -ENOMEM; | |
d69dece5 | 286 | } else { |
3bb857e4 MS |
287 | /* Check if it is the last registered name */ |
288 | if (match_last_lsm(*result, new)) | |
289 | return 0; | |
d69dece5 CS |
290 | cp = kasprintf(GFP_KERNEL, "%s,%s", *result, new); |
291 | if (cp == NULL) | |
292 | return -ENOMEM; | |
293 | kfree(*result); | |
294 | *result = cp; | |
295 | } | |
296 | return 0; | |
297 | } | |
298 | ||
d69dece5 CS |
299 | /** |
300 | * security_add_hooks - Add a modules hooks to the hook lists. | |
301 | * @hooks: the hooks to add | |
302 | * @count: the number of hooks to add | |
303 | * @lsm: the name of the security module | |
304 | * | |
305 | * Each LSM has to register its hooks with the infrastructure. | |
306 | */ | |
307 | void __init security_add_hooks(struct security_hook_list *hooks, int count, | |
308 | char *lsm) | |
309 | { | |
310 | int i; | |
311 | ||
312 | for (i = 0; i < count; i++) { | |
313 | hooks[i].lsm = lsm; | |
df0ce173 | 314 | hlist_add_tail_rcu(&hooks[i].list, hooks[i].head); |
d69dece5 CS |
315 | } |
316 | if (lsm_append(lsm, &lsm_names) < 0) | |
317 | panic("%s - Cannot get early memory.\n", __func__); | |
318 | } | |
319 | ||
8f408ab6 DJ |
320 | int call_lsm_notifier(enum lsm_event event, void *data) |
321 | { | |
322 | return atomic_notifier_call_chain(&lsm_notifier_chain, event, data); | |
323 | } | |
324 | EXPORT_SYMBOL(call_lsm_notifier); | |
325 | ||
326 | int register_lsm_notifier(struct notifier_block *nb) | |
327 | { | |
328 | return atomic_notifier_chain_register(&lsm_notifier_chain, nb); | |
329 | } | |
330 | EXPORT_SYMBOL(register_lsm_notifier); | |
331 | ||
332 | int unregister_lsm_notifier(struct notifier_block *nb) | |
333 | { | |
334 | return atomic_notifier_chain_unregister(&lsm_notifier_chain, nb); | |
335 | } | |
336 | EXPORT_SYMBOL(unregister_lsm_notifier); | |
337 | ||
f25fce3e | 338 | /* |
b1d9e6b0 | 339 | * Hook list operation macros. |
1da177e4 | 340 | * |
f25fce3e CS |
341 | * call_void_hook: |
342 | * This is a hook that does not return a value. | |
1da177e4 | 343 | * |
f25fce3e CS |
344 | * call_int_hook: |
345 | * This is a hook that returns a value. | |
1da177e4 | 346 | */ |
1da177e4 | 347 | |
b1d9e6b0 CS |
348 | #define call_void_hook(FUNC, ...) \ |
349 | do { \ | |
350 | struct security_hook_list *P; \ | |
351 | \ | |
df0ce173 | 352 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) \ |
b1d9e6b0 CS |
353 | P->hook.FUNC(__VA_ARGS__); \ |
354 | } while (0) | |
355 | ||
356 | #define call_int_hook(FUNC, IRC, ...) ({ \ | |
357 | int RC = IRC; \ | |
358 | do { \ | |
359 | struct security_hook_list *P; \ | |
360 | \ | |
df0ce173 | 361 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) { \ |
b1d9e6b0 CS |
362 | RC = P->hook.FUNC(__VA_ARGS__); \ |
363 | if (RC != 0) \ | |
364 | break; \ | |
365 | } \ | |
366 | } while (0); \ | |
367 | RC; \ | |
368 | }) | |
1da177e4 | 369 | |
20510f2f JM |
370 | /* Security operations */ |
371 | ||
79af7307 SS |
372 | int security_binder_set_context_mgr(struct task_struct *mgr) |
373 | { | |
f25fce3e | 374 | return call_int_hook(binder_set_context_mgr, 0, mgr); |
79af7307 SS |
375 | } |
376 | ||
377 | int security_binder_transaction(struct task_struct *from, | |
378 | struct task_struct *to) | |
379 | { | |
f25fce3e | 380 | return call_int_hook(binder_transaction, 0, from, to); |
79af7307 SS |
381 | } |
382 | ||
383 | int security_binder_transfer_binder(struct task_struct *from, | |
384 | struct task_struct *to) | |
385 | { | |
f25fce3e | 386 | return call_int_hook(binder_transfer_binder, 0, from, to); |
79af7307 SS |
387 | } |
388 | ||
389 | int security_binder_transfer_file(struct task_struct *from, | |
390 | struct task_struct *to, struct file *file) | |
391 | { | |
f25fce3e | 392 | return call_int_hook(binder_transfer_file, 0, from, to, file); |
79af7307 SS |
393 | } |
394 | ||
9e48858f | 395 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 396 | { |
f25fce3e | 397 | return call_int_hook(ptrace_access_check, 0, child, mode); |
5cd9c58f DH |
398 | } |
399 | ||
400 | int security_ptrace_traceme(struct task_struct *parent) | |
401 | { | |
f25fce3e | 402 | return call_int_hook(ptrace_traceme, 0, parent); |
20510f2f JM |
403 | } |
404 | ||
405 | int security_capget(struct task_struct *target, | |
406 | kernel_cap_t *effective, | |
407 | kernel_cap_t *inheritable, | |
408 | kernel_cap_t *permitted) | |
409 | { | |
f25fce3e CS |
410 | return call_int_hook(capget, 0, target, |
411 | effective, inheritable, permitted); | |
20510f2f JM |
412 | } |
413 | ||
d84f4f99 DH |
414 | int security_capset(struct cred *new, const struct cred *old, |
415 | const kernel_cap_t *effective, | |
416 | const kernel_cap_t *inheritable, | |
417 | const kernel_cap_t *permitted) | |
20510f2f | 418 | { |
f25fce3e CS |
419 | return call_int_hook(capset, 0, new, old, |
420 | effective, inheritable, permitted); | |
20510f2f JM |
421 | } |
422 | ||
b7e724d3 | 423 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 424 | int cap) |
20510f2f | 425 | { |
f25fce3e | 426 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
427 | } |
428 | ||
c7eba4a9 EP |
429 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
430 | int cap) | |
06112163 | 431 | { |
f25fce3e | 432 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
433 | } |
434 | ||
20510f2f JM |
435 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
436 | { | |
f25fce3e | 437 | return call_int_hook(quotactl, 0, cmds, type, id, sb); |
20510f2f JM |
438 | } |
439 | ||
440 | int security_quota_on(struct dentry *dentry) | |
441 | { | |
f25fce3e | 442 | return call_int_hook(quota_on, 0, dentry); |
20510f2f JM |
443 | } |
444 | ||
12b3052c | 445 | int security_syslog(int type) |
20510f2f | 446 | { |
f25fce3e | 447 | return call_int_hook(syslog, 0, type); |
20510f2f JM |
448 | } |
449 | ||
457db29b | 450 | int security_settime64(const struct timespec64 *ts, const struct timezone *tz) |
20510f2f | 451 | { |
f25fce3e | 452 | return call_int_hook(settime, 0, ts, tz); |
20510f2f JM |
453 | } |
454 | ||
20510f2f JM |
455 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
456 | { | |
b1d9e6b0 CS |
457 | struct security_hook_list *hp; |
458 | int cap_sys_admin = 1; | |
459 | int rc; | |
460 | ||
461 | /* | |
462 | * The module will respond with a positive value if | |
463 | * it thinks the __vm_enough_memory() call should be | |
464 | * made with the cap_sys_admin set. If all of the modules | |
465 | * agree that it should be set it will. If any module | |
466 | * thinks it should not be set it won't. | |
467 | */ | |
df0ce173 | 468 | hlist_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) { |
b1d9e6b0 CS |
469 | rc = hp->hook.vm_enough_memory(mm, pages); |
470 | if (rc <= 0) { | |
471 | cap_sys_admin = 0; | |
472 | break; | |
473 | } | |
474 | } | |
475 | return __vm_enough_memory(mm, pages, cap_sys_admin); | |
20510f2f JM |
476 | } |
477 | ||
a6f76f23 | 478 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 479 | { |
f25fce3e | 480 | return call_int_hook(bprm_set_creds, 0, bprm); |
20510f2f JM |
481 | } |
482 | ||
a6f76f23 | 483 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 484 | { |
6c21a7fb MZ |
485 | int ret; |
486 | ||
f25fce3e | 487 | ret = call_int_hook(bprm_check_security, 0, bprm); |
6c21a7fb MZ |
488 | if (ret) |
489 | return ret; | |
490 | return ima_bprm_check(bprm); | |
20510f2f JM |
491 | } |
492 | ||
a6f76f23 | 493 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 494 | { |
f25fce3e | 495 | call_void_hook(bprm_committing_creds, bprm); |
20510f2f JM |
496 | } |
497 | ||
a6f76f23 | 498 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 499 | { |
f25fce3e | 500 | call_void_hook(bprm_committed_creds, bprm); |
20510f2f JM |
501 | } |
502 | ||
20510f2f JM |
503 | int security_sb_alloc(struct super_block *sb) |
504 | { | |
f25fce3e | 505 | return call_int_hook(sb_alloc_security, 0, sb); |
20510f2f JM |
506 | } |
507 | ||
508 | void security_sb_free(struct super_block *sb) | |
509 | { | |
f25fce3e | 510 | call_void_hook(sb_free_security, sb); |
20510f2f JM |
511 | } |
512 | ||
204cc0cc | 513 | void security_free_mnt_opts(void **mnt_opts) |
20510f2f | 514 | { |
204cc0cc AV |
515 | if (!*mnt_opts) |
516 | return; | |
517 | call_void_hook(sb_free_mnt_opts, *mnt_opts); | |
518 | *mnt_opts = NULL; | |
20510f2f | 519 | } |
204cc0cc | 520 | EXPORT_SYMBOL(security_free_mnt_opts); |
20510f2f | 521 | |
204cc0cc | 522 | int security_sb_eat_lsm_opts(char *options, void **mnt_opts) |
ff36fe2c | 523 | { |
204cc0cc | 524 | return call_int_hook(sb_eat_lsm_opts, 0, options, mnt_opts); |
ff36fe2c | 525 | } |
f5c0c26d | 526 | EXPORT_SYMBOL(security_sb_eat_lsm_opts); |
ff36fe2c | 527 | |
c039bc3c | 528 | int security_sb_remount(struct super_block *sb, |
204cc0cc | 529 | void *mnt_opts) |
20510f2f | 530 | { |
204cc0cc | 531 | return call_int_hook(sb_remount, 0, sb, mnt_opts); |
ff36fe2c | 532 | } |
a65001e8 | 533 | EXPORT_SYMBOL(security_sb_remount); |
ff36fe2c | 534 | |
a10d7c22 | 535 | int security_sb_kern_mount(struct super_block *sb) |
20510f2f | 536 | { |
a10d7c22 | 537 | return call_int_hook(sb_kern_mount, 0, sb); |
20510f2f JM |
538 | } |
539 | ||
2069f457 EP |
540 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
541 | { | |
f25fce3e | 542 | return call_int_hook(sb_show_options, 0, m, sb); |
2069f457 EP |
543 | } |
544 | ||
20510f2f JM |
545 | int security_sb_statfs(struct dentry *dentry) |
546 | { | |
f25fce3e | 547 | return call_int_hook(sb_statfs, 0, dentry); |
20510f2f JM |
548 | } |
549 | ||
8a04c43b | 550 | int security_sb_mount(const char *dev_name, const struct path *path, |
808d4e3c | 551 | const char *type, unsigned long flags, void *data) |
20510f2f | 552 | { |
f25fce3e | 553 | return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data); |
20510f2f JM |
554 | } |
555 | ||
20510f2f JM |
556 | int security_sb_umount(struct vfsmount *mnt, int flags) |
557 | { | |
f25fce3e | 558 | return call_int_hook(sb_umount, 0, mnt, flags); |
20510f2f JM |
559 | } |
560 | ||
3b73b68c | 561 | int security_sb_pivotroot(const struct path *old_path, const struct path *new_path) |
20510f2f | 562 | { |
f25fce3e | 563 | return call_int_hook(sb_pivotroot, 0, old_path, new_path); |
20510f2f JM |
564 | } |
565 | ||
c9180a57 | 566 | int security_sb_set_mnt_opts(struct super_block *sb, |
204cc0cc | 567 | void *mnt_opts, |
649f6e77 DQ |
568 | unsigned long kern_flags, |
569 | unsigned long *set_kern_flags) | |
c9180a57 | 570 | { |
b1d9e6b0 | 571 | return call_int_hook(sb_set_mnt_opts, |
204cc0cc AV |
572 | mnt_opts ? -EOPNOTSUPP : 0, sb, |
573 | mnt_opts, kern_flags, set_kern_flags); | |
c9180a57 | 574 | } |
e0007529 | 575 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 576 | |
094f7b69 | 577 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
0b4d3452 SM |
578 | struct super_block *newsb, |
579 | unsigned long kern_flags, | |
580 | unsigned long *set_kern_flags) | |
c9180a57 | 581 | { |
0b4d3452 SM |
582 | return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb, |
583 | kern_flags, set_kern_flags); | |
c9180a57 | 584 | } |
e0007529 EP |
585 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
586 | ||
757cbe59 AV |
587 | int security_add_mnt_opt(const char *option, const char *val, int len, |
588 | void **mnt_opts) | |
e0007529 | 589 | { |
757cbe59 AV |
590 | return call_int_hook(sb_add_mnt_opt, -EINVAL, |
591 | option, val, len, mnt_opts); | |
e0007529 | 592 | } |
757cbe59 | 593 | EXPORT_SYMBOL(security_add_mnt_opt); |
c9180a57 | 594 | |
20510f2f JM |
595 | int security_inode_alloc(struct inode *inode) |
596 | { | |
597 | inode->i_security = NULL; | |
f25fce3e | 598 | return call_int_hook(inode_alloc_security, 0, inode); |
20510f2f JM |
599 | } |
600 | ||
601 | void security_inode_free(struct inode *inode) | |
602 | { | |
f381c272 | 603 | integrity_inode_free(inode); |
f25fce3e | 604 | call_void_hook(inode_free_security, inode); |
20510f2f JM |
605 | } |
606 | ||
d47be3df | 607 | int security_dentry_init_security(struct dentry *dentry, int mode, |
4f3ccd76 | 608 | const struct qstr *name, void **ctx, |
d47be3df DQ |
609 | u32 *ctxlen) |
610 | { | |
b1d9e6b0 CS |
611 | return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode, |
612 | name, ctx, ctxlen); | |
d47be3df DQ |
613 | } |
614 | EXPORT_SYMBOL(security_dentry_init_security); | |
615 | ||
2602625b VG |
616 | int security_dentry_create_files_as(struct dentry *dentry, int mode, |
617 | struct qstr *name, | |
618 | const struct cred *old, struct cred *new) | |
619 | { | |
620 | return call_int_hook(dentry_create_files_as, 0, dentry, mode, | |
621 | name, old, new); | |
622 | } | |
623 | EXPORT_SYMBOL(security_dentry_create_files_as); | |
624 | ||
20510f2f | 625 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
626 | const struct qstr *qstr, |
627 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 628 | { |
823eb1cc MZ |
629 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
630 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
631 | int ret; |
632 | ||
20510f2f | 633 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 634 | return 0; |
9d8f13ba | 635 | |
9d8f13ba | 636 | if (!initxattrs) |
e308fd3b JB |
637 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, |
638 | dir, qstr, NULL, NULL, NULL); | |
9548906b | 639 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
9d8f13ba | 640 | lsm_xattr = new_xattrs; |
b1d9e6b0 | 641 | ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, |
9d8f13ba MZ |
642 | &lsm_xattr->name, |
643 | &lsm_xattr->value, | |
644 | &lsm_xattr->value_len); | |
645 | if (ret) | |
646 | goto out; | |
823eb1cc MZ |
647 | |
648 | evm_xattr = lsm_xattr + 1; | |
649 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
650 | if (ret) | |
651 | goto out; | |
9d8f13ba MZ |
652 | ret = initxattrs(inode, new_xattrs, fs_data); |
653 | out: | |
9548906b | 654 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
823eb1cc | 655 | kfree(xattr->value); |
9d8f13ba MZ |
656 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
657 | } | |
658 | EXPORT_SYMBOL(security_inode_init_security); | |
659 | ||
660 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 661 | const struct qstr *qstr, const char **name, |
9d8f13ba | 662 | void **value, size_t *len) |
20510f2f JM |
663 | { |
664 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 665 | return -EOPNOTSUPP; |
e308fd3b JB |
666 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, |
667 | qstr, name, value, len); | |
20510f2f | 668 | } |
9d8f13ba | 669 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 670 | |
be6d3e56 | 671 | #ifdef CONFIG_SECURITY_PATH |
d3607752 | 672 | int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
673 | unsigned int dev) |
674 | { | |
c6f493d6 | 675 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 676 | return 0; |
f25fce3e | 677 | return call_int_hook(path_mknod, 0, dir, dentry, mode, dev); |
be6d3e56 KT |
678 | } |
679 | EXPORT_SYMBOL(security_path_mknod); | |
680 | ||
d3607752 | 681 | int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 682 | { |
c6f493d6 | 683 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 684 | return 0; |
f25fce3e | 685 | return call_int_hook(path_mkdir, 0, dir, dentry, mode); |
be6d3e56 | 686 | } |
82140443 | 687 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 688 | |
989f74e0 | 689 | int security_path_rmdir(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 690 | { |
c6f493d6 | 691 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 692 | return 0; |
f25fce3e | 693 | return call_int_hook(path_rmdir, 0, dir, dentry); |
be6d3e56 KT |
694 | } |
695 | ||
989f74e0 | 696 | int security_path_unlink(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 697 | { |
c6f493d6 | 698 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 699 | return 0; |
f25fce3e | 700 | return call_int_hook(path_unlink, 0, dir, dentry); |
be6d3e56 | 701 | } |
82140443 | 702 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 703 | |
d3607752 | 704 | int security_path_symlink(const struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
705 | const char *old_name) |
706 | { | |
c6f493d6 | 707 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 708 | return 0; |
f25fce3e | 709 | return call_int_hook(path_symlink, 0, dir, dentry, old_name); |
be6d3e56 KT |
710 | } |
711 | ||
3ccee46a | 712 | int security_path_link(struct dentry *old_dentry, const struct path *new_dir, |
be6d3e56 KT |
713 | struct dentry *new_dentry) |
714 | { | |
c6f493d6 | 715 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
be6d3e56 | 716 | return 0; |
f25fce3e | 717 | return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry); |
be6d3e56 KT |
718 | } |
719 | ||
3ccee46a AV |
720 | int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, |
721 | const struct path *new_dir, struct dentry *new_dentry, | |
0b3974eb | 722 | unsigned int flags) |
be6d3e56 | 723 | { |
c6f493d6 DH |
724 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
725 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
be6d3e56 | 726 | return 0; |
da1ce067 MS |
727 | |
728 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e CS |
729 | int err = call_int_hook(path_rename, 0, new_dir, new_dentry, |
730 | old_dir, old_dentry); | |
da1ce067 MS |
731 | if (err) |
732 | return err; | |
733 | } | |
734 | ||
f25fce3e CS |
735 | return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, |
736 | new_dentry); | |
be6d3e56 | 737 | } |
82140443 | 738 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 739 | |
81f4c506 | 740 | int security_path_truncate(const struct path *path) |
be6d3e56 | 741 | { |
c6f493d6 | 742 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
be6d3e56 | 743 | return 0; |
f25fce3e | 744 | return call_int_hook(path_truncate, 0, path); |
be6d3e56 | 745 | } |
89eda068 | 746 | |
be01f9f2 | 747 | int security_path_chmod(const struct path *path, umode_t mode) |
89eda068 | 748 | { |
c6f493d6 | 749 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 750 | return 0; |
f25fce3e | 751 | return call_int_hook(path_chmod, 0, path, mode); |
89eda068 TH |
752 | } |
753 | ||
7fd25dac | 754 | int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
89eda068 | 755 | { |
c6f493d6 | 756 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 757 | return 0; |
f25fce3e | 758 | return call_int_hook(path_chown, 0, path, uid, gid); |
89eda068 | 759 | } |
8b8efb44 | 760 | |
77b286c0 | 761 | int security_path_chroot(const struct path *path) |
8b8efb44 | 762 | { |
f25fce3e | 763 | return call_int_hook(path_chroot, 0, path); |
8b8efb44 | 764 | } |
be6d3e56 KT |
765 | #endif |
766 | ||
4acdaf27 | 767 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
768 | { |
769 | if (unlikely(IS_PRIVATE(dir))) | |
770 | return 0; | |
f25fce3e | 771 | return call_int_hook(inode_create, 0, dir, dentry, mode); |
20510f2f | 772 | } |
800a9647 | 773 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
774 | |
775 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
776 | struct dentry *new_dentry) | |
777 | { | |
c6f493d6 | 778 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
20510f2f | 779 | return 0; |
f25fce3e | 780 | return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry); |
20510f2f JM |
781 | } |
782 | ||
783 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
784 | { | |
c6f493d6 | 785 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 786 | return 0; |
f25fce3e | 787 | return call_int_hook(inode_unlink, 0, dir, dentry); |
20510f2f JM |
788 | } |
789 | ||
790 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
791 | const char *old_name) | |
792 | { | |
793 | if (unlikely(IS_PRIVATE(dir))) | |
794 | return 0; | |
f25fce3e | 795 | return call_int_hook(inode_symlink, 0, dir, dentry, old_name); |
20510f2f JM |
796 | } |
797 | ||
18bb1db3 | 798 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
799 | { |
800 | if (unlikely(IS_PRIVATE(dir))) | |
801 | return 0; | |
f25fce3e | 802 | return call_int_hook(inode_mkdir, 0, dir, dentry, mode); |
20510f2f | 803 | } |
800a9647 | 804 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
805 | |
806 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
807 | { | |
c6f493d6 | 808 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 809 | return 0; |
f25fce3e | 810 | return call_int_hook(inode_rmdir, 0, dir, dentry); |
20510f2f JM |
811 | } |
812 | ||
1a67aafb | 813 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
814 | { |
815 | if (unlikely(IS_PRIVATE(dir))) | |
816 | return 0; | |
f25fce3e | 817 | return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev); |
20510f2f JM |
818 | } |
819 | ||
820 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
821 | struct inode *new_dir, struct dentry *new_dentry, |
822 | unsigned int flags) | |
20510f2f | 823 | { |
c6f493d6 DH |
824 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
825 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
20510f2f | 826 | return 0; |
da1ce067 MS |
827 | |
828 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e | 829 | int err = call_int_hook(inode_rename, 0, new_dir, new_dentry, |
da1ce067 MS |
830 | old_dir, old_dentry); |
831 | if (err) | |
832 | return err; | |
833 | } | |
834 | ||
f25fce3e | 835 | return call_int_hook(inode_rename, 0, old_dir, old_dentry, |
20510f2f JM |
836 | new_dir, new_dentry); |
837 | } | |
838 | ||
839 | int security_inode_readlink(struct dentry *dentry) | |
840 | { | |
c6f493d6 | 841 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 842 | return 0; |
f25fce3e | 843 | return call_int_hook(inode_readlink, 0, dentry); |
20510f2f JM |
844 | } |
845 | ||
bda0be7a N |
846 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
847 | bool rcu) | |
20510f2f | 848 | { |
bda0be7a | 849 | if (unlikely(IS_PRIVATE(inode))) |
20510f2f | 850 | return 0; |
e22619a2 | 851 | return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); |
20510f2f JM |
852 | } |
853 | ||
b77b0646 | 854 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
855 | { |
856 | if (unlikely(IS_PRIVATE(inode))) | |
857 | return 0; | |
f25fce3e | 858 | return call_int_hook(inode_permission, 0, inode, mask); |
20510f2f JM |
859 | } |
860 | ||
861 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
862 | { | |
817b54aa MZ |
863 | int ret; |
864 | ||
c6f493d6 | 865 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 866 | return 0; |
f25fce3e | 867 | ret = call_int_hook(inode_setattr, 0, dentry, attr); |
817b54aa MZ |
868 | if (ret) |
869 | return ret; | |
870 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 871 | } |
b1da47e2 | 872 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 873 | |
3f7036a0 | 874 | int security_inode_getattr(const struct path *path) |
20510f2f | 875 | { |
c6f493d6 | 876 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 877 | return 0; |
f25fce3e | 878 | return call_int_hook(inode_getattr, 0, path); |
20510f2f JM |
879 | } |
880 | ||
8f0cfa52 DH |
881 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
882 | const void *value, size_t size, int flags) | |
20510f2f | 883 | { |
3e1be52d MZ |
884 | int ret; |
885 | ||
c6f493d6 | 886 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 887 | return 0; |
b1d9e6b0 CS |
888 | /* |
889 | * SELinux and Smack integrate the cap call, | |
890 | * so assume that all LSMs supplying this call do so. | |
891 | */ | |
892 | ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, | |
f25fce3e | 893 | flags); |
b1d9e6b0 CS |
894 | |
895 | if (ret == 1) | |
896 | ret = cap_inode_setxattr(dentry, name, value, size, flags); | |
42c63330 MZ |
897 | if (ret) |
898 | return ret; | |
899 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
900 | if (ret) |
901 | return ret; | |
902 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
903 | } |
904 | ||
8f0cfa52 DH |
905 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
906 | const void *value, size_t size, int flags) | |
20510f2f | 907 | { |
c6f493d6 | 908 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 909 | return; |
f25fce3e | 910 | call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); |
3e1be52d | 911 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
912 | } |
913 | ||
8f0cfa52 | 914 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 915 | { |
c6f493d6 | 916 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 917 | return 0; |
f25fce3e | 918 | return call_int_hook(inode_getxattr, 0, dentry, name); |
20510f2f JM |
919 | } |
920 | ||
921 | int security_inode_listxattr(struct dentry *dentry) | |
922 | { | |
c6f493d6 | 923 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 924 | return 0; |
f25fce3e | 925 | return call_int_hook(inode_listxattr, 0, dentry); |
20510f2f JM |
926 | } |
927 | ||
8f0cfa52 | 928 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 929 | { |
3e1be52d MZ |
930 | int ret; |
931 | ||
c6f493d6 | 932 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 933 | return 0; |
b1d9e6b0 CS |
934 | /* |
935 | * SELinux and Smack integrate the cap call, | |
936 | * so assume that all LSMs supplying this call do so. | |
937 | */ | |
938 | ret = call_int_hook(inode_removexattr, 1, dentry, name); | |
939 | if (ret == 1) | |
940 | ret = cap_inode_removexattr(dentry, name); | |
42c63330 MZ |
941 | if (ret) |
942 | return ret; | |
943 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
944 | if (ret) |
945 | return ret; | |
946 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
947 | } |
948 | ||
b5376771 SH |
949 | int security_inode_need_killpriv(struct dentry *dentry) |
950 | { | |
f25fce3e | 951 | return call_int_hook(inode_need_killpriv, 0, dentry); |
b5376771 SH |
952 | } |
953 | ||
954 | int security_inode_killpriv(struct dentry *dentry) | |
955 | { | |
f25fce3e | 956 | return call_int_hook(inode_killpriv, 0, dentry); |
b5376771 SH |
957 | } |
958 | ||
ea861dfd | 959 | int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f | 960 | { |
2885c1e3 CS |
961 | struct security_hook_list *hp; |
962 | int rc; | |
963 | ||
20510f2f | 964 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 965 | return -EOPNOTSUPP; |
2885c1e3 CS |
966 | /* |
967 | * Only one module will provide an attribute with a given name. | |
968 | */ | |
df0ce173 | 969 | hlist_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { |
2885c1e3 CS |
970 | rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); |
971 | if (rc != -EOPNOTSUPP) | |
972 | return rc; | |
973 | } | |
974 | return -EOPNOTSUPP; | |
20510f2f JM |
975 | } |
976 | ||
977 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
978 | { | |
2885c1e3 CS |
979 | struct security_hook_list *hp; |
980 | int rc; | |
981 | ||
20510f2f | 982 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 983 | return -EOPNOTSUPP; |
2885c1e3 CS |
984 | /* |
985 | * Only one module will provide an attribute with a given name. | |
986 | */ | |
df0ce173 | 987 | hlist_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { |
2885c1e3 CS |
988 | rc = hp->hook.inode_setsecurity(inode, name, value, size, |
989 | flags); | |
990 | if (rc != -EOPNOTSUPP) | |
991 | return rc; | |
992 | } | |
993 | return -EOPNOTSUPP; | |
20510f2f JM |
994 | } |
995 | ||
996 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
997 | { | |
998 | if (unlikely(IS_PRIVATE(inode))) | |
999 | return 0; | |
f25fce3e | 1000 | return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); |
20510f2f | 1001 | } |
c9bccef6 | 1002 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 1003 | |
d6335d77 | 1004 | void security_inode_getsecid(struct inode *inode, u32 *secid) |
8a076191 | 1005 | { |
f25fce3e | 1006 | call_void_hook(inode_getsecid, inode, secid); |
8a076191 AD |
1007 | } |
1008 | ||
d8ad8b49 VG |
1009 | int security_inode_copy_up(struct dentry *src, struct cred **new) |
1010 | { | |
1011 | return call_int_hook(inode_copy_up, 0, src, new); | |
1012 | } | |
1013 | EXPORT_SYMBOL(security_inode_copy_up); | |
1014 | ||
121ab822 VG |
1015 | int security_inode_copy_up_xattr(const char *name) |
1016 | { | |
1017 | return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); | |
1018 | } | |
1019 | EXPORT_SYMBOL(security_inode_copy_up_xattr); | |
1020 | ||
20510f2f JM |
1021 | int security_file_permission(struct file *file, int mask) |
1022 | { | |
c4ec54b4 EP |
1023 | int ret; |
1024 | ||
f25fce3e | 1025 | ret = call_int_hook(file_permission, 0, file, mask); |
c4ec54b4 EP |
1026 | if (ret) |
1027 | return ret; | |
1028 | ||
1029 | return fsnotify_perm(file, mask); | |
20510f2f JM |
1030 | } |
1031 | ||
1032 | int security_file_alloc(struct file *file) | |
1033 | { | |
f25fce3e | 1034 | return call_int_hook(file_alloc_security, 0, file); |
20510f2f JM |
1035 | } |
1036 | ||
1037 | void security_file_free(struct file *file) | |
1038 | { | |
f25fce3e | 1039 | call_void_hook(file_free_security, file); |
20510f2f JM |
1040 | } |
1041 | ||
1042 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
1043 | { | |
f25fce3e | 1044 | return call_int_hook(file_ioctl, 0, file, cmd, arg); |
20510f2f JM |
1045 | } |
1046 | ||
98de59bf | 1047 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 1048 | { |
8b3ec681 | 1049 | /* |
98de59bf AV |
1050 | * Does we have PROT_READ and does the application expect |
1051 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 1052 | */ |
98de59bf AV |
1053 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
1054 | return prot; | |
8b3ec681 | 1055 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
1056 | return prot; |
1057 | /* | |
1058 | * if that's an anonymous mapping, let it. | |
1059 | */ | |
1060 | if (!file) | |
1061 | return prot | PROT_EXEC; | |
1062 | /* | |
1063 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 1064 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf | 1065 | */ |
90f8572b | 1066 | if (!path_noexec(&file->f_path)) { |
8b3ec681 | 1067 | #ifndef CONFIG_MMU |
b4caecd4 CH |
1068 | if (file->f_op->mmap_capabilities) { |
1069 | unsigned caps = file->f_op->mmap_capabilities(file); | |
1070 | if (!(caps & NOMMU_MAP_EXEC)) | |
1071 | return prot; | |
1072 | } | |
8b3ec681 | 1073 | #endif |
98de59bf | 1074 | return prot | PROT_EXEC; |
8b3ec681 | 1075 | } |
98de59bf AV |
1076 | /* anything on noexec mount won't get PROT_EXEC */ |
1077 | return prot; | |
1078 | } | |
1079 | ||
1080 | int security_mmap_file(struct file *file, unsigned long prot, | |
1081 | unsigned long flags) | |
1082 | { | |
1083 | int ret; | |
f25fce3e | 1084 | ret = call_int_hook(mmap_file, 0, file, prot, |
98de59bf | 1085 | mmap_prot(file, prot), flags); |
6c21a7fb MZ |
1086 | if (ret) |
1087 | return ret; | |
1088 | return ima_file_mmap(file, prot); | |
20510f2f JM |
1089 | } |
1090 | ||
e5467859 AV |
1091 | int security_mmap_addr(unsigned long addr) |
1092 | { | |
f25fce3e | 1093 | return call_int_hook(mmap_addr, 0, addr); |
e5467859 AV |
1094 | } |
1095 | ||
20510f2f JM |
1096 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
1097 | unsigned long prot) | |
1098 | { | |
f25fce3e | 1099 | return call_int_hook(file_mprotect, 0, vma, reqprot, prot); |
20510f2f JM |
1100 | } |
1101 | ||
1102 | int security_file_lock(struct file *file, unsigned int cmd) | |
1103 | { | |
f25fce3e | 1104 | return call_int_hook(file_lock, 0, file, cmd); |
20510f2f JM |
1105 | } |
1106 | ||
1107 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
1108 | { | |
f25fce3e | 1109 | return call_int_hook(file_fcntl, 0, file, cmd, arg); |
20510f2f JM |
1110 | } |
1111 | ||
e0b93edd | 1112 | void security_file_set_fowner(struct file *file) |
20510f2f | 1113 | { |
f25fce3e | 1114 | call_void_hook(file_set_fowner, file); |
20510f2f JM |
1115 | } |
1116 | ||
1117 | int security_file_send_sigiotask(struct task_struct *tsk, | |
1118 | struct fown_struct *fown, int sig) | |
1119 | { | |
f25fce3e | 1120 | return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); |
20510f2f JM |
1121 | } |
1122 | ||
1123 | int security_file_receive(struct file *file) | |
1124 | { | |
f25fce3e | 1125 | return call_int_hook(file_receive, 0, file); |
20510f2f JM |
1126 | } |
1127 | ||
e3f20ae2 | 1128 | int security_file_open(struct file *file) |
20510f2f | 1129 | { |
c4ec54b4 EP |
1130 | int ret; |
1131 | ||
94817692 | 1132 | ret = call_int_hook(file_open, 0, file); |
c4ec54b4 EP |
1133 | if (ret) |
1134 | return ret; | |
1135 | ||
1136 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
1137 | } |
1138 | ||
e4e55b47 TH |
1139 | int security_task_alloc(struct task_struct *task, unsigned long clone_flags) |
1140 | { | |
1141 | return call_int_hook(task_alloc, 0, task, clone_flags); | |
1142 | } | |
1143 | ||
1a2a4d06 KC |
1144 | void security_task_free(struct task_struct *task) |
1145 | { | |
f25fce3e | 1146 | call_void_hook(task_free, task); |
1a2a4d06 KC |
1147 | } |
1148 | ||
ee18d64c DH |
1149 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
1150 | { | |
f25fce3e | 1151 | return call_int_hook(cred_alloc_blank, 0, cred, gfp); |
ee18d64c DH |
1152 | } |
1153 | ||
d84f4f99 | 1154 | void security_cred_free(struct cred *cred) |
20510f2f | 1155 | { |
f25fce3e | 1156 | call_void_hook(cred_free, cred); |
20510f2f JM |
1157 | } |
1158 | ||
d84f4f99 | 1159 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 1160 | { |
f25fce3e | 1161 | return call_int_hook(cred_prepare, 0, new, old, gfp); |
d84f4f99 DH |
1162 | } |
1163 | ||
ee18d64c DH |
1164 | void security_transfer_creds(struct cred *new, const struct cred *old) |
1165 | { | |
f25fce3e | 1166 | call_void_hook(cred_transfer, new, old); |
ee18d64c DH |
1167 | } |
1168 | ||
3ec30113 MG |
1169 | void security_cred_getsecid(const struct cred *c, u32 *secid) |
1170 | { | |
1171 | *secid = 0; | |
1172 | call_void_hook(cred_getsecid, c, secid); | |
1173 | } | |
1174 | EXPORT_SYMBOL(security_cred_getsecid); | |
1175 | ||
3a3b7ce9 DH |
1176 | int security_kernel_act_as(struct cred *new, u32 secid) |
1177 | { | |
f25fce3e | 1178 | return call_int_hook(kernel_act_as, 0, new, secid); |
3a3b7ce9 DH |
1179 | } |
1180 | ||
1181 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
1182 | { | |
f25fce3e | 1183 | return call_int_hook(kernel_create_files_as, 0, new, inode); |
3a3b7ce9 DH |
1184 | } |
1185 | ||
dd8dbf2e | 1186 | int security_kernel_module_request(char *kmod_name) |
9188499c | 1187 | { |
6eb864c1 MK |
1188 | int ret; |
1189 | ||
1190 | ret = call_int_hook(kernel_module_request, 0, kmod_name); | |
1191 | if (ret) | |
1192 | return ret; | |
1193 | return integrity_kernel_module_request(kmod_name); | |
9188499c EP |
1194 | } |
1195 | ||
39eeb4fb MZ |
1196 | int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) |
1197 | { | |
1198 | int ret; | |
1199 | ||
1200 | ret = call_int_hook(kernel_read_file, 0, file, id); | |
1201 | if (ret) | |
1202 | return ret; | |
1203 | return ima_read_file(file, id); | |
1204 | } | |
1205 | EXPORT_SYMBOL_GPL(security_kernel_read_file); | |
1206 | ||
bc8ca5b9 MZ |
1207 | int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, |
1208 | enum kernel_read_file_id id) | |
b44a7dfc | 1209 | { |
cf222217 MZ |
1210 | int ret; |
1211 | ||
1212 | ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); | |
1213 | if (ret) | |
1214 | return ret; | |
1215 | return ima_post_read_file(file, buf, size, id); | |
b44a7dfc MZ |
1216 | } |
1217 | EXPORT_SYMBOL_GPL(security_kernel_post_read_file); | |
1218 | ||
377179cd MZ |
1219 | int security_kernel_load_data(enum kernel_load_data_id id) |
1220 | { | |
16c267aa MZ |
1221 | int ret; |
1222 | ||
1223 | ret = call_int_hook(kernel_load_data, 0, id); | |
1224 | if (ret) | |
1225 | return ret; | |
1226 | return ima_load_data(id); | |
377179cd | 1227 | } |
83a68a06 | 1228 | EXPORT_SYMBOL_GPL(security_kernel_load_data); |
377179cd | 1229 | |
d84f4f99 DH |
1230 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
1231 | int flags) | |
20510f2f | 1232 | { |
f25fce3e | 1233 | return call_int_hook(task_fix_setuid, 0, new, old, flags); |
20510f2f JM |
1234 | } |
1235 | ||
20510f2f JM |
1236 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
1237 | { | |
f25fce3e | 1238 | return call_int_hook(task_setpgid, 0, p, pgid); |
20510f2f JM |
1239 | } |
1240 | ||
1241 | int security_task_getpgid(struct task_struct *p) | |
1242 | { | |
f25fce3e | 1243 | return call_int_hook(task_getpgid, 0, p); |
20510f2f JM |
1244 | } |
1245 | ||
1246 | int security_task_getsid(struct task_struct *p) | |
1247 | { | |
f25fce3e | 1248 | return call_int_hook(task_getsid, 0, p); |
20510f2f JM |
1249 | } |
1250 | ||
1251 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
1252 | { | |
b1d9e6b0 | 1253 | *secid = 0; |
f25fce3e | 1254 | call_void_hook(task_getsecid, p, secid); |
20510f2f JM |
1255 | } |
1256 | EXPORT_SYMBOL(security_task_getsecid); | |
1257 | ||
20510f2f JM |
1258 | int security_task_setnice(struct task_struct *p, int nice) |
1259 | { | |
f25fce3e | 1260 | return call_int_hook(task_setnice, 0, p, nice); |
20510f2f JM |
1261 | } |
1262 | ||
1263 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
1264 | { | |
f25fce3e | 1265 | return call_int_hook(task_setioprio, 0, p, ioprio); |
20510f2f JM |
1266 | } |
1267 | ||
1268 | int security_task_getioprio(struct task_struct *p) | |
1269 | { | |
f25fce3e | 1270 | return call_int_hook(task_getioprio, 0, p); |
20510f2f JM |
1271 | } |
1272 | ||
791ec491 SS |
1273 | int security_task_prlimit(const struct cred *cred, const struct cred *tcred, |
1274 | unsigned int flags) | |
1275 | { | |
1276 | return call_int_hook(task_prlimit, 0, cred, tcred, flags); | |
1277 | } | |
1278 | ||
8fd00b4d JS |
1279 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
1280 | struct rlimit *new_rlim) | |
20510f2f | 1281 | { |
f25fce3e | 1282 | return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); |
20510f2f JM |
1283 | } |
1284 | ||
b0ae1981 | 1285 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 1286 | { |
f25fce3e | 1287 | return call_int_hook(task_setscheduler, 0, p); |
20510f2f JM |
1288 | } |
1289 | ||
1290 | int security_task_getscheduler(struct task_struct *p) | |
1291 | { | |
f25fce3e | 1292 | return call_int_hook(task_getscheduler, 0, p); |
20510f2f JM |
1293 | } |
1294 | ||
1295 | int security_task_movememory(struct task_struct *p) | |
1296 | { | |
f25fce3e | 1297 | return call_int_hook(task_movememory, 0, p); |
20510f2f JM |
1298 | } |
1299 | ||
ae7795bc | 1300 | int security_task_kill(struct task_struct *p, struct kernel_siginfo *info, |
6b4f3d01 | 1301 | int sig, const struct cred *cred) |
20510f2f | 1302 | { |
6b4f3d01 | 1303 | return call_int_hook(task_kill, 0, p, info, sig, cred); |
20510f2f JM |
1304 | } |
1305 | ||
20510f2f | 1306 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
d84f4f99 | 1307 | unsigned long arg4, unsigned long arg5) |
20510f2f | 1308 | { |
b1d9e6b0 CS |
1309 | int thisrc; |
1310 | int rc = -ENOSYS; | |
1311 | struct security_hook_list *hp; | |
1312 | ||
df0ce173 | 1313 | hlist_for_each_entry(hp, &security_hook_heads.task_prctl, list) { |
b1d9e6b0 CS |
1314 | thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); |
1315 | if (thisrc != -ENOSYS) { | |
1316 | rc = thisrc; | |
1317 | if (thisrc != 0) | |
1318 | break; | |
1319 | } | |
1320 | } | |
1321 | return rc; | |
20510f2f JM |
1322 | } |
1323 | ||
1324 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
1325 | { | |
f25fce3e | 1326 | call_void_hook(task_to_inode, p, inode); |
20510f2f JM |
1327 | } |
1328 | ||
1329 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
1330 | { | |
f25fce3e | 1331 | return call_int_hook(ipc_permission, 0, ipcp, flag); |
20510f2f JM |
1332 | } |
1333 | ||
8a076191 AD |
1334 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
1335 | { | |
b1d9e6b0 | 1336 | *secid = 0; |
f25fce3e | 1337 | call_void_hook(ipc_getsecid, ipcp, secid); |
8a076191 AD |
1338 | } |
1339 | ||
20510f2f JM |
1340 | int security_msg_msg_alloc(struct msg_msg *msg) |
1341 | { | |
f25fce3e | 1342 | return call_int_hook(msg_msg_alloc_security, 0, msg); |
20510f2f JM |
1343 | } |
1344 | ||
1345 | void security_msg_msg_free(struct msg_msg *msg) | |
1346 | { | |
f25fce3e | 1347 | call_void_hook(msg_msg_free_security, msg); |
20510f2f JM |
1348 | } |
1349 | ||
d8c6e854 | 1350 | int security_msg_queue_alloc(struct kern_ipc_perm *msq) |
20510f2f | 1351 | { |
f25fce3e | 1352 | return call_int_hook(msg_queue_alloc_security, 0, msq); |
20510f2f JM |
1353 | } |
1354 | ||
d8c6e854 | 1355 | void security_msg_queue_free(struct kern_ipc_perm *msq) |
20510f2f | 1356 | { |
f25fce3e | 1357 | call_void_hook(msg_queue_free_security, msq); |
20510f2f JM |
1358 | } |
1359 | ||
d8c6e854 | 1360 | int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg) |
20510f2f | 1361 | { |
f25fce3e | 1362 | return call_int_hook(msg_queue_associate, 0, msq, msqflg); |
20510f2f JM |
1363 | } |
1364 | ||
d8c6e854 | 1365 | int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd) |
20510f2f | 1366 | { |
f25fce3e | 1367 | return call_int_hook(msg_queue_msgctl, 0, msq, cmd); |
20510f2f JM |
1368 | } |
1369 | ||
d8c6e854 | 1370 | int security_msg_queue_msgsnd(struct kern_ipc_perm *msq, |
20510f2f JM |
1371 | struct msg_msg *msg, int msqflg) |
1372 | { | |
f25fce3e | 1373 | return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); |
20510f2f JM |
1374 | } |
1375 | ||
d8c6e854 | 1376 | int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg, |
20510f2f JM |
1377 | struct task_struct *target, long type, int mode) |
1378 | { | |
f25fce3e | 1379 | return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); |
20510f2f JM |
1380 | } |
1381 | ||
7191adff | 1382 | int security_shm_alloc(struct kern_ipc_perm *shp) |
20510f2f | 1383 | { |
f25fce3e | 1384 | return call_int_hook(shm_alloc_security, 0, shp); |
20510f2f JM |
1385 | } |
1386 | ||
7191adff | 1387 | void security_shm_free(struct kern_ipc_perm *shp) |
20510f2f | 1388 | { |
f25fce3e | 1389 | call_void_hook(shm_free_security, shp); |
20510f2f JM |
1390 | } |
1391 | ||
7191adff | 1392 | int security_shm_associate(struct kern_ipc_perm *shp, int shmflg) |
20510f2f | 1393 | { |
f25fce3e | 1394 | return call_int_hook(shm_associate, 0, shp, shmflg); |
20510f2f JM |
1395 | } |
1396 | ||
7191adff | 1397 | int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd) |
20510f2f | 1398 | { |
f25fce3e | 1399 | return call_int_hook(shm_shmctl, 0, shp, cmd); |
20510f2f JM |
1400 | } |
1401 | ||
7191adff | 1402 | int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg) |
20510f2f | 1403 | { |
f25fce3e | 1404 | return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); |
20510f2f JM |
1405 | } |
1406 | ||
aefad959 | 1407 | int security_sem_alloc(struct kern_ipc_perm *sma) |
20510f2f | 1408 | { |
f25fce3e | 1409 | return call_int_hook(sem_alloc_security, 0, sma); |
20510f2f JM |
1410 | } |
1411 | ||
aefad959 | 1412 | void security_sem_free(struct kern_ipc_perm *sma) |
20510f2f | 1413 | { |
f25fce3e | 1414 | call_void_hook(sem_free_security, sma); |
20510f2f JM |
1415 | } |
1416 | ||
aefad959 | 1417 | int security_sem_associate(struct kern_ipc_perm *sma, int semflg) |
20510f2f | 1418 | { |
f25fce3e | 1419 | return call_int_hook(sem_associate, 0, sma, semflg); |
20510f2f JM |
1420 | } |
1421 | ||
aefad959 | 1422 | int security_sem_semctl(struct kern_ipc_perm *sma, int cmd) |
20510f2f | 1423 | { |
f25fce3e | 1424 | return call_int_hook(sem_semctl, 0, sma, cmd); |
20510f2f JM |
1425 | } |
1426 | ||
aefad959 | 1427 | int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops, |
20510f2f JM |
1428 | unsigned nsops, int alter) |
1429 | { | |
f25fce3e | 1430 | return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); |
20510f2f JM |
1431 | } |
1432 | ||
1433 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1434 | { | |
1435 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1436 | return; | |
f25fce3e | 1437 | call_void_hook(d_instantiate, dentry, inode); |
20510f2f JM |
1438 | } |
1439 | EXPORT_SYMBOL(security_d_instantiate); | |
1440 | ||
1441 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1442 | { | |
b1d9e6b0 | 1443 | return call_int_hook(getprocattr, -EINVAL, p, name, value); |
20510f2f JM |
1444 | } |
1445 | ||
b21507e2 | 1446 | int security_setprocattr(const char *name, void *value, size_t size) |
20510f2f | 1447 | { |
b21507e2 | 1448 | return call_int_hook(setprocattr, -EINVAL, name, value, size); |
20510f2f JM |
1449 | } |
1450 | ||
1451 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1452 | { | |
f25fce3e | 1453 | return call_int_hook(netlink_send, 0, sk, skb); |
20510f2f | 1454 | } |
20510f2f | 1455 | |
746df9b5 DQ |
1456 | int security_ismaclabel(const char *name) |
1457 | { | |
f25fce3e | 1458 | return call_int_hook(ismaclabel, 0, name); |
746df9b5 DQ |
1459 | } |
1460 | EXPORT_SYMBOL(security_ismaclabel); | |
1461 | ||
20510f2f JM |
1462 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1463 | { | |
b1d9e6b0 CS |
1464 | return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, |
1465 | seclen); | |
20510f2f JM |
1466 | } |
1467 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1468 | ||
7bf570dc | 1469 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 | 1470 | { |
b1d9e6b0 | 1471 | *secid = 0; |
f25fce3e | 1472 | return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); |
63cb3449 DH |
1473 | } |
1474 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1475 | ||
20510f2f JM |
1476 | void security_release_secctx(char *secdata, u32 seclen) |
1477 | { | |
f25fce3e | 1478 | call_void_hook(release_secctx, secdata, seclen); |
20510f2f JM |
1479 | } |
1480 | EXPORT_SYMBOL(security_release_secctx); | |
1481 | ||
6f3be9f5 AG |
1482 | void security_inode_invalidate_secctx(struct inode *inode) |
1483 | { | |
1484 | call_void_hook(inode_invalidate_secctx, inode); | |
1485 | } | |
1486 | EXPORT_SYMBOL(security_inode_invalidate_secctx); | |
1487 | ||
1ee65e37 DQ |
1488 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1489 | { | |
f25fce3e | 1490 | return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); |
1ee65e37 DQ |
1491 | } |
1492 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1493 | ||
1494 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1495 | { | |
f25fce3e | 1496 | return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); |
1ee65e37 DQ |
1497 | } |
1498 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1499 | ||
1500 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1501 | { | |
b1d9e6b0 | 1502 | return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); |
1ee65e37 DQ |
1503 | } |
1504 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1505 | ||
20510f2f JM |
1506 | #ifdef CONFIG_SECURITY_NETWORK |
1507 | ||
3610cda5 | 1508 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f | 1509 | { |
f25fce3e | 1510 | return call_int_hook(unix_stream_connect, 0, sock, other, newsk); |
20510f2f JM |
1511 | } |
1512 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1513 | ||
1514 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1515 | { | |
f25fce3e | 1516 | return call_int_hook(unix_may_send, 0, sock, other); |
20510f2f JM |
1517 | } |
1518 | EXPORT_SYMBOL(security_unix_may_send); | |
1519 | ||
1520 | int security_socket_create(int family, int type, int protocol, int kern) | |
1521 | { | |
f25fce3e | 1522 | return call_int_hook(socket_create, 0, family, type, protocol, kern); |
20510f2f JM |
1523 | } |
1524 | ||
1525 | int security_socket_post_create(struct socket *sock, int family, | |
1526 | int type, int protocol, int kern) | |
1527 | { | |
f25fce3e | 1528 | return call_int_hook(socket_post_create, 0, sock, family, type, |
20510f2f JM |
1529 | protocol, kern); |
1530 | } | |
1531 | ||
aae7cfcb DH |
1532 | int security_socket_socketpair(struct socket *socka, struct socket *sockb) |
1533 | { | |
1534 | return call_int_hook(socket_socketpair, 0, socka, sockb); | |
1535 | } | |
1536 | EXPORT_SYMBOL(security_socket_socketpair); | |
1537 | ||
20510f2f JM |
1538 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) |
1539 | { | |
f25fce3e | 1540 | return call_int_hook(socket_bind, 0, sock, address, addrlen); |
20510f2f JM |
1541 | } |
1542 | ||
1543 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1544 | { | |
f25fce3e | 1545 | return call_int_hook(socket_connect, 0, sock, address, addrlen); |
20510f2f JM |
1546 | } |
1547 | ||
1548 | int security_socket_listen(struct socket *sock, int backlog) | |
1549 | { | |
f25fce3e | 1550 | return call_int_hook(socket_listen, 0, sock, backlog); |
20510f2f JM |
1551 | } |
1552 | ||
1553 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1554 | { | |
f25fce3e | 1555 | return call_int_hook(socket_accept, 0, sock, newsock); |
20510f2f JM |
1556 | } |
1557 | ||
20510f2f JM |
1558 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1559 | { | |
f25fce3e | 1560 | return call_int_hook(socket_sendmsg, 0, sock, msg, size); |
20510f2f JM |
1561 | } |
1562 | ||
1563 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1564 | int size, int flags) | |
1565 | { | |
f25fce3e | 1566 | return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); |
20510f2f JM |
1567 | } |
1568 | ||
1569 | int security_socket_getsockname(struct socket *sock) | |
1570 | { | |
f25fce3e | 1571 | return call_int_hook(socket_getsockname, 0, sock); |
20510f2f JM |
1572 | } |
1573 | ||
1574 | int security_socket_getpeername(struct socket *sock) | |
1575 | { | |
f25fce3e | 1576 | return call_int_hook(socket_getpeername, 0, sock); |
20510f2f JM |
1577 | } |
1578 | ||
1579 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1580 | { | |
f25fce3e | 1581 | return call_int_hook(socket_getsockopt, 0, sock, level, optname); |
20510f2f JM |
1582 | } |
1583 | ||
1584 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1585 | { | |
f25fce3e | 1586 | return call_int_hook(socket_setsockopt, 0, sock, level, optname); |
20510f2f JM |
1587 | } |
1588 | ||
1589 | int security_socket_shutdown(struct socket *sock, int how) | |
1590 | { | |
f25fce3e | 1591 | return call_int_hook(socket_shutdown, 0, sock, how); |
20510f2f JM |
1592 | } |
1593 | ||
1594 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1595 | { | |
f25fce3e | 1596 | return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); |
20510f2f JM |
1597 | } |
1598 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1599 | ||
1600 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1601 | int __user *optlen, unsigned len) | |
1602 | { | |
b1d9e6b0 CS |
1603 | return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, |
1604 | optval, optlen, len); | |
20510f2f JM |
1605 | } |
1606 | ||
1607 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1608 | { | |
e308fd3b JB |
1609 | return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, |
1610 | skb, secid); | |
20510f2f JM |
1611 | } |
1612 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1613 | ||
1614 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1615 | { | |
f25fce3e | 1616 | return call_int_hook(sk_alloc_security, 0, sk, family, priority); |
20510f2f JM |
1617 | } |
1618 | ||
1619 | void security_sk_free(struct sock *sk) | |
1620 | { | |
f25fce3e | 1621 | call_void_hook(sk_free_security, sk); |
20510f2f JM |
1622 | } |
1623 | ||
1624 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1625 | { | |
f25fce3e | 1626 | call_void_hook(sk_clone_security, sk, newsk); |
20510f2f | 1627 | } |
6230c9b4 | 1628 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1629 | |
1630 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1631 | { | |
f25fce3e | 1632 | call_void_hook(sk_getsecid, sk, &fl->flowi_secid); |
20510f2f JM |
1633 | } |
1634 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1635 | ||
1636 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1637 | { | |
f25fce3e | 1638 | call_void_hook(req_classify_flow, req, fl); |
20510f2f JM |
1639 | } |
1640 | EXPORT_SYMBOL(security_req_classify_flow); | |
1641 | ||
1642 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1643 | { | |
f25fce3e | 1644 | call_void_hook(sock_graft, sk, parent); |
20510f2f JM |
1645 | } |
1646 | EXPORT_SYMBOL(security_sock_graft); | |
1647 | ||
1648 | int security_inet_conn_request(struct sock *sk, | |
1649 | struct sk_buff *skb, struct request_sock *req) | |
1650 | { | |
f25fce3e | 1651 | return call_int_hook(inet_conn_request, 0, sk, skb, req); |
20510f2f JM |
1652 | } |
1653 | EXPORT_SYMBOL(security_inet_conn_request); | |
1654 | ||
1655 | void security_inet_csk_clone(struct sock *newsk, | |
1656 | const struct request_sock *req) | |
1657 | { | |
f25fce3e | 1658 | call_void_hook(inet_csk_clone, newsk, req); |
20510f2f JM |
1659 | } |
1660 | ||
1661 | void security_inet_conn_established(struct sock *sk, | |
1662 | struct sk_buff *skb) | |
1663 | { | |
f25fce3e | 1664 | call_void_hook(inet_conn_established, sk, skb); |
20510f2f | 1665 | } |
72e89f50 | 1666 | EXPORT_SYMBOL(security_inet_conn_established); |
20510f2f | 1667 | |
2606fd1f EP |
1668 | int security_secmark_relabel_packet(u32 secid) |
1669 | { | |
f25fce3e | 1670 | return call_int_hook(secmark_relabel_packet, 0, secid); |
2606fd1f EP |
1671 | } |
1672 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1673 | ||
1674 | void security_secmark_refcount_inc(void) | |
1675 | { | |
f25fce3e | 1676 | call_void_hook(secmark_refcount_inc); |
2606fd1f EP |
1677 | } |
1678 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1679 | ||
1680 | void security_secmark_refcount_dec(void) | |
1681 | { | |
f25fce3e | 1682 | call_void_hook(secmark_refcount_dec); |
2606fd1f EP |
1683 | } |
1684 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1685 | ||
5dbbaf2d PM |
1686 | int security_tun_dev_alloc_security(void **security) |
1687 | { | |
f25fce3e | 1688 | return call_int_hook(tun_dev_alloc_security, 0, security); |
5dbbaf2d PM |
1689 | } |
1690 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1691 | ||
1692 | void security_tun_dev_free_security(void *security) | |
1693 | { | |
f25fce3e | 1694 | call_void_hook(tun_dev_free_security, security); |
5dbbaf2d PM |
1695 | } |
1696 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1697 | ||
2b980dbd PM |
1698 | int security_tun_dev_create(void) |
1699 | { | |
f25fce3e | 1700 | return call_int_hook(tun_dev_create, 0); |
2b980dbd PM |
1701 | } |
1702 | EXPORT_SYMBOL(security_tun_dev_create); | |
1703 | ||
5dbbaf2d | 1704 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1705 | { |
f25fce3e | 1706 | return call_int_hook(tun_dev_attach_queue, 0, security); |
2b980dbd | 1707 | } |
5dbbaf2d | 1708 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1709 | |
5dbbaf2d | 1710 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1711 | { |
f25fce3e | 1712 | return call_int_hook(tun_dev_attach, 0, sk, security); |
2b980dbd PM |
1713 | } |
1714 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1715 | ||
5dbbaf2d PM |
1716 | int security_tun_dev_open(void *security) |
1717 | { | |
f25fce3e | 1718 | return call_int_hook(tun_dev_open, 0, security); |
5dbbaf2d PM |
1719 | } |
1720 | EXPORT_SYMBOL(security_tun_dev_open); | |
1721 | ||
72e89f50 RH |
1722 | int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb) |
1723 | { | |
1724 | return call_int_hook(sctp_assoc_request, 0, ep, skb); | |
1725 | } | |
1726 | EXPORT_SYMBOL(security_sctp_assoc_request); | |
1727 | ||
1728 | int security_sctp_bind_connect(struct sock *sk, int optname, | |
1729 | struct sockaddr *address, int addrlen) | |
1730 | { | |
1731 | return call_int_hook(sctp_bind_connect, 0, sk, optname, | |
1732 | address, addrlen); | |
1733 | } | |
1734 | EXPORT_SYMBOL(security_sctp_bind_connect); | |
1735 | ||
1736 | void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk, | |
1737 | struct sock *newsk) | |
1738 | { | |
1739 | call_void_hook(sctp_sk_clone, ep, sk, newsk); | |
1740 | } | |
1741 | EXPORT_SYMBOL(security_sctp_sk_clone); | |
1742 | ||
20510f2f JM |
1743 | #endif /* CONFIG_SECURITY_NETWORK */ |
1744 | ||
d291f1a6 DJ |
1745 | #ifdef CONFIG_SECURITY_INFINIBAND |
1746 | ||
1747 | int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey) | |
1748 | { | |
1749 | return call_int_hook(ib_pkey_access, 0, sec, subnet_prefix, pkey); | |
1750 | } | |
1751 | EXPORT_SYMBOL(security_ib_pkey_access); | |
1752 | ||
47a2b338 DJ |
1753 | int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num) |
1754 | { | |
1755 | return call_int_hook(ib_endport_manage_subnet, 0, sec, dev_name, port_num); | |
1756 | } | |
1757 | EXPORT_SYMBOL(security_ib_endport_manage_subnet); | |
1758 | ||
d291f1a6 DJ |
1759 | int security_ib_alloc_security(void **sec) |
1760 | { | |
1761 | return call_int_hook(ib_alloc_security, 0, sec); | |
1762 | } | |
1763 | EXPORT_SYMBOL(security_ib_alloc_security); | |
1764 | ||
1765 | void security_ib_free_security(void *sec) | |
1766 | { | |
1767 | call_void_hook(ib_free_security, sec); | |
1768 | } | |
1769 | EXPORT_SYMBOL(security_ib_free_security); | |
1770 | #endif /* CONFIG_SECURITY_INFINIBAND */ | |
1771 | ||
20510f2f JM |
1772 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1773 | ||
52a4c640 NA |
1774 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1775 | struct xfrm_user_sec_ctx *sec_ctx, | |
1776 | gfp_t gfp) | |
20510f2f | 1777 | { |
f25fce3e | 1778 | return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); |
20510f2f JM |
1779 | } |
1780 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1781 | ||
03e1ad7b PM |
1782 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1783 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1784 | { |
f25fce3e | 1785 | return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); |
20510f2f JM |
1786 | } |
1787 | ||
03e1ad7b | 1788 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1789 | { |
f25fce3e | 1790 | call_void_hook(xfrm_policy_free_security, ctx); |
20510f2f JM |
1791 | } |
1792 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1793 | ||
03e1ad7b | 1794 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1795 | { |
f25fce3e | 1796 | return call_int_hook(xfrm_policy_delete_security, 0, ctx); |
20510f2f JM |
1797 | } |
1798 | ||
2e5aa866 PM |
1799 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1800 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1801 | { |
f25fce3e | 1802 | return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); |
20510f2f JM |
1803 | } |
1804 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1805 | ||
1806 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1807 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1808 | { | |
f25fce3e | 1809 | return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); |
20510f2f JM |
1810 | } |
1811 | ||
1812 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1813 | { | |
f25fce3e | 1814 | return call_int_hook(xfrm_state_delete_security, 0, x); |
20510f2f JM |
1815 | } |
1816 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1817 | ||
1818 | void security_xfrm_state_free(struct xfrm_state *x) | |
1819 | { | |
f25fce3e | 1820 | call_void_hook(xfrm_state_free_security, x); |
20510f2f JM |
1821 | } |
1822 | ||
03e1ad7b | 1823 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1824 | { |
f25fce3e | 1825 | return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); |
20510f2f JM |
1826 | } |
1827 | ||
1828 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1829 | struct xfrm_policy *xp, |
1830 | const struct flowi *fl) | |
20510f2f | 1831 | { |
b1d9e6b0 CS |
1832 | struct security_hook_list *hp; |
1833 | int rc = 1; | |
1834 | ||
1835 | /* | |
1836 | * Since this function is expected to return 0 or 1, the judgment | |
1837 | * becomes difficult if multiple LSMs supply this call. Fortunately, | |
1838 | * we can use the first LSM's judgment because currently only SELinux | |
1839 | * supplies this call. | |
1840 | * | |
1841 | * For speed optimization, we explicitly break the loop rather than | |
1842 | * using the macro | |
1843 | */ | |
df0ce173 | 1844 | hlist_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, |
b1d9e6b0 CS |
1845 | list) { |
1846 | rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); | |
1847 | break; | |
1848 | } | |
1849 | return rc; | |
20510f2f JM |
1850 | } |
1851 | ||
1852 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1853 | { | |
f25fce3e | 1854 | return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); |
20510f2f JM |
1855 | } |
1856 | ||
1857 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1858 | { | |
f25fce3e CS |
1859 | int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, |
1860 | 0); | |
20510f2f JM |
1861 | |
1862 | BUG_ON(rc); | |
1863 | } | |
1864 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1865 | ||
1866 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1867 | ||
1868 | #ifdef CONFIG_KEYS | |
1869 | ||
d84f4f99 DH |
1870 | int security_key_alloc(struct key *key, const struct cred *cred, |
1871 | unsigned long flags) | |
20510f2f | 1872 | { |
f25fce3e | 1873 | return call_int_hook(key_alloc, 0, key, cred, flags); |
20510f2f JM |
1874 | } |
1875 | ||
1876 | void security_key_free(struct key *key) | |
1877 | { | |
f25fce3e | 1878 | call_void_hook(key_free, key); |
20510f2f JM |
1879 | } |
1880 | ||
1881 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1882 | const struct cred *cred, unsigned perm) |
20510f2f | 1883 | { |
f25fce3e | 1884 | return call_int_hook(key_permission, 0, key_ref, cred, perm); |
20510f2f JM |
1885 | } |
1886 | ||
70a5bb72 DH |
1887 | int security_key_getsecurity(struct key *key, char **_buffer) |
1888 | { | |
b1d9e6b0 | 1889 | *_buffer = NULL; |
f25fce3e | 1890 | return call_int_hook(key_getsecurity, 0, key, _buffer); |
70a5bb72 DH |
1891 | } |
1892 | ||
20510f2f | 1893 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1894 | |
1895 | #ifdef CONFIG_AUDIT | |
1896 | ||
1897 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1898 | { | |
f25fce3e | 1899 | return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); |
03d37d25 AD |
1900 | } |
1901 | ||
1902 | int security_audit_rule_known(struct audit_krule *krule) | |
1903 | { | |
f25fce3e | 1904 | return call_int_hook(audit_rule_known, 0, krule); |
03d37d25 AD |
1905 | } |
1906 | ||
1907 | void security_audit_rule_free(void *lsmrule) | |
1908 | { | |
f25fce3e | 1909 | call_void_hook(audit_rule_free, lsmrule); |
03d37d25 AD |
1910 | } |
1911 | ||
1912 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1913 | struct audit_context *actx) | |
1914 | { | |
f25fce3e CS |
1915 | return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, |
1916 | actx); | |
03d37d25 | 1917 | } |
b1d9e6b0 | 1918 | #endif /* CONFIG_AUDIT */ |
afdb09c7 CF |
1919 | |
1920 | #ifdef CONFIG_BPF_SYSCALL | |
1921 | int security_bpf(int cmd, union bpf_attr *attr, unsigned int size) | |
1922 | { | |
1923 | return call_int_hook(bpf, 0, cmd, attr, size); | |
1924 | } | |
1925 | int security_bpf_map(struct bpf_map *map, fmode_t fmode) | |
1926 | { | |
1927 | return call_int_hook(bpf_map, 0, map, fmode); | |
1928 | } | |
1929 | int security_bpf_prog(struct bpf_prog *prog) | |
1930 | { | |
1931 | return call_int_hook(bpf_prog, 0, prog); | |
1932 | } | |
1933 | int security_bpf_map_alloc(struct bpf_map *map) | |
1934 | { | |
1935 | return call_int_hook(bpf_map_alloc_security, 0, map); | |
1936 | } | |
1937 | int security_bpf_prog_alloc(struct bpf_prog_aux *aux) | |
1938 | { | |
1939 | return call_int_hook(bpf_prog_alloc_security, 0, aux); | |
1940 | } | |
1941 | void security_bpf_map_free(struct bpf_map *map) | |
1942 | { | |
1943 | call_void_hook(bpf_map_free_security, map); | |
1944 | } | |
1945 | void security_bpf_prog_free(struct bpf_prog_aux *aux) | |
1946 | { | |
1947 | call_void_hook(bpf_prog_free_security, aux); | |
1948 | } | |
1949 | #endif /* CONFIG_BPF_SYSCALL */ |