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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 | |
2d4d5119 KC |
37 | /* How many LSMs were built into the kernel? */ |
38 | #define LSM_COUNT (__end_lsm_info - __start_lsm_info) | |
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; |
bbd3662a CS |
44 | static struct lsm_blob_sizes blob_sizes __lsm_ro_after_init; |
45 | ||
076c54c5 | 46 | /* Boot-time LSM user choice */ |
79f7865d | 47 | static __initdata const char *chosen_lsm_order; |
5ef4e419 | 48 | static __initdata const char *chosen_major_lsm; |
1da177e4 | 49 | |
13e735c0 KC |
50 | static __initconst const char * const builtin_lsm_order = CONFIG_LSM; |
51 | ||
2d4d5119 KC |
52 | /* Ordered list of LSMs to initialize. */ |
53 | static __initdata struct lsm_info **ordered_lsms; | |
14bd99c8 | 54 | static __initdata struct lsm_info *exclusive; |
2d4d5119 | 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 | { | |
a8027fb0 KC |
65 | if (!lsm->enabled) |
66 | return false; | |
f4941d75 | 67 | |
a8027fb0 | 68 | return *lsm->enabled; |
f4941d75 KC |
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 | ||
a8027fb0 KC |
119 | /* Enable this LSM, if it is not already set. */ |
120 | if (!lsm->enabled) | |
121 | lsm->enabled = &lsm_enabled_true; | |
2d4d5119 | 122 | ordered_lsms[last_lsm++] = lsm; |
a8027fb0 | 123 | |
2d4d5119 KC |
124 | init_debug("%s ordering: %s (%sabled)\n", from, lsm->name, |
125 | is_enabled(lsm) ? "en" : "dis"); | |
126 | } | |
127 | ||
f4941d75 KC |
128 | /* Is an LSM allowed to be initialized? */ |
129 | static bool __init lsm_allowed(struct lsm_info *lsm) | |
130 | { | |
131 | /* Skip if the LSM is disabled. */ | |
132 | if (!is_enabled(lsm)) | |
133 | return false; | |
134 | ||
14bd99c8 KC |
135 | /* Not allowed if another exclusive LSM already initialized. */ |
136 | if ((lsm->flags & LSM_FLAG_EXCLUSIVE) && exclusive) { | |
137 | init_debug("exclusive disabled: %s\n", lsm->name); | |
138 | return false; | |
139 | } | |
140 | ||
f4941d75 KC |
141 | return true; |
142 | } | |
143 | ||
bbd3662a CS |
144 | static void __init lsm_set_blob_size(int *need, int *lbs) |
145 | { | |
146 | int offset; | |
147 | ||
148 | if (*need > 0) { | |
149 | offset = *lbs; | |
150 | *lbs += *need; | |
151 | *need = offset; | |
152 | } | |
153 | } | |
154 | ||
155 | static void __init lsm_set_blob_sizes(struct lsm_blob_sizes *needed) | |
156 | { | |
157 | if (!needed) | |
158 | return; | |
159 | ||
160 | lsm_set_blob_size(&needed->lbs_cred, &blob_sizes.lbs_cred); | |
161 | } | |
162 | ||
d8e9bbd4 KC |
163 | /* Prepare LSM for initialization. */ |
164 | static void __init prepare_lsm(struct lsm_info *lsm) | |
f4941d75 KC |
165 | { |
166 | int enabled = lsm_allowed(lsm); | |
167 | ||
168 | /* Record enablement (to handle any following exclusive LSMs). */ | |
169 | set_enabled(lsm, enabled); | |
170 | ||
d8e9bbd4 | 171 | /* If enabled, do pre-initialization work. */ |
f4941d75 | 172 | if (enabled) { |
14bd99c8 KC |
173 | if ((lsm->flags & LSM_FLAG_EXCLUSIVE) && !exclusive) { |
174 | exclusive = lsm; | |
175 | init_debug("exclusive chosen: %s\n", lsm->name); | |
176 | } | |
bbd3662a CS |
177 | |
178 | lsm_set_blob_sizes(lsm->blobs); | |
d8e9bbd4 KC |
179 | } |
180 | } | |
181 | ||
182 | /* Initialize a given LSM, if it is enabled. */ | |
183 | static void __init initialize_lsm(struct lsm_info *lsm) | |
184 | { | |
185 | if (is_enabled(lsm)) { | |
186 | int ret; | |
14bd99c8 | 187 | |
f4941d75 KC |
188 | init_debug("initializing %s\n", lsm->name); |
189 | ret = lsm->init(); | |
190 | WARN(ret, "%s failed to initialize: %d\n", lsm->name, ret); | |
191 | } | |
192 | } | |
193 | ||
13e735c0 | 194 | /* Populate ordered LSMs list from comma-separated LSM name list. */ |
2d4d5119 | 195 | static void __init ordered_lsm_parse(const char *order, const char *origin) |
657d910b KC |
196 | { |
197 | struct lsm_info *lsm; | |
13e735c0 KC |
198 | char *sep, *name, *next; |
199 | ||
e2bc445b KC |
200 | /* LSM_ORDER_FIRST is always first. */ |
201 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
202 | if (lsm->order == LSM_ORDER_FIRST) | |
203 | append_ordered_lsm(lsm, "first"); | |
204 | } | |
205 | ||
7e611486 | 206 | /* Process "security=", if given. */ |
7e611486 KC |
207 | if (chosen_major_lsm) { |
208 | struct lsm_info *major; | |
209 | ||
210 | /* | |
211 | * To match the original "security=" behavior, this | |
212 | * explicitly does NOT fallback to another Legacy Major | |
213 | * if the selected one was separately disabled: disable | |
214 | * all non-matching Legacy Major LSMs. | |
215 | */ | |
216 | for (major = __start_lsm_info; major < __end_lsm_info; | |
217 | major++) { | |
218 | if ((major->flags & LSM_FLAG_LEGACY_MAJOR) && | |
219 | strcmp(major->name, chosen_major_lsm) != 0) { | |
220 | set_enabled(major, false); | |
221 | init_debug("security=%s disabled: %s\n", | |
222 | chosen_major_lsm, major->name); | |
223 | } | |
224 | } | |
225 | } | |
5ef4e419 | 226 | |
13e735c0 KC |
227 | sep = kstrdup(order, GFP_KERNEL); |
228 | next = sep; | |
229 | /* Walk the list, looking for matching LSMs. */ | |
230 | while ((name = strsep(&next, ",")) != NULL) { | |
231 | bool found = false; | |
232 | ||
233 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
e2bc445b KC |
234 | if (lsm->order == LSM_ORDER_MUTABLE && |
235 | strcmp(lsm->name, name) == 0) { | |
13e735c0 KC |
236 | append_ordered_lsm(lsm, origin); |
237 | found = true; | |
238 | } | |
239 | } | |
240 | ||
241 | if (!found) | |
242 | init_debug("%s ignored: %s\n", origin, name); | |
657d910b | 243 | } |
c91d8106 CS |
244 | |
245 | /* Process "security=", if given. */ | |
246 | if (chosen_major_lsm) { | |
247 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
248 | if (exists_ordered_lsm(lsm)) | |
249 | continue; | |
250 | if (strcmp(lsm->name, chosen_major_lsm) == 0) | |
251 | append_ordered_lsm(lsm, "security="); | |
252 | } | |
253 | } | |
254 | ||
255 | /* Disable all LSMs not in the ordered list. */ | |
256 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
257 | if (exists_ordered_lsm(lsm)) | |
258 | continue; | |
259 | set_enabled(lsm, false); | |
260 | init_debug("%s disabled: %s\n", origin, lsm->name); | |
261 | } | |
262 | ||
13e735c0 | 263 | kfree(sep); |
657d910b KC |
264 | } |
265 | ||
2d4d5119 KC |
266 | static void __init ordered_lsm_init(void) |
267 | { | |
268 | struct lsm_info **lsm; | |
269 | ||
270 | ordered_lsms = kcalloc(LSM_COUNT + 1, sizeof(*ordered_lsms), | |
271 | GFP_KERNEL); | |
272 | ||
79f7865d KC |
273 | if (chosen_lsm_order) |
274 | ordered_lsm_parse(chosen_lsm_order, "cmdline"); | |
275 | else | |
276 | ordered_lsm_parse(builtin_lsm_order, "builtin"); | |
2d4d5119 KC |
277 | |
278 | for (lsm = ordered_lsms; *lsm; lsm++) | |
d8e9bbd4 KC |
279 | prepare_lsm(*lsm); |
280 | ||
bbd3662a CS |
281 | init_debug("cred blob size = %d\n", blob_sizes.lbs_cred); |
282 | ||
d8e9bbd4 KC |
283 | for (lsm = ordered_lsms; *lsm; lsm++) |
284 | initialize_lsm(*lsm); | |
2d4d5119 KC |
285 | |
286 | kfree(ordered_lsms); | |
287 | } | |
288 | ||
1da177e4 LT |
289 | /** |
290 | * security_init - initializes the security framework | |
291 | * | |
292 | * This should be called early in the kernel initialization sequence. | |
293 | */ | |
294 | int __init security_init(void) | |
295 | { | |
3dfc9b02 | 296 | int i; |
df0ce173 | 297 | struct hlist_head *list = (struct hlist_head *) &security_hook_heads; |
3dfc9b02 | 298 | |
98d29170 KC |
299 | pr_info("Security Framework initializing\n"); |
300 | ||
df0ce173 | 301 | for (i = 0; i < sizeof(security_hook_heads) / sizeof(struct hlist_head); |
3dfc9b02 | 302 | i++) |
df0ce173 | 303 | INIT_HLIST_HEAD(&list[i]); |
1da177e4 | 304 | |
657d910b KC |
305 | /* Load LSMs in specified order. */ |
306 | ordered_lsm_init(); | |
307 | ||
1da177e4 LT |
308 | return 0; |
309 | } | |
310 | ||
076c54c5 | 311 | /* Save user chosen LSM */ |
5ef4e419 | 312 | static int __init choose_major_lsm(char *str) |
076c54c5 | 313 | { |
5ef4e419 | 314 | chosen_major_lsm = str; |
076c54c5 AD |
315 | return 1; |
316 | } | |
5ef4e419 | 317 | __setup("security=", choose_major_lsm); |
076c54c5 | 318 | |
79f7865d KC |
319 | /* Explicitly choose LSM initialization order. */ |
320 | static int __init choose_lsm_order(char *str) | |
321 | { | |
322 | chosen_lsm_order = str; | |
323 | return 1; | |
324 | } | |
325 | __setup("lsm=", choose_lsm_order); | |
326 | ||
9b8c7c14 KC |
327 | /* Enable LSM order debugging. */ |
328 | static int __init enable_debug(char *str) | |
329 | { | |
330 | debug = true; | |
331 | return 1; | |
332 | } | |
333 | __setup("lsm.debug", enable_debug); | |
334 | ||
3bb857e4 MS |
335 | static bool match_last_lsm(const char *list, const char *lsm) |
336 | { | |
337 | const char *last; | |
338 | ||
339 | if (WARN_ON(!list || !lsm)) | |
340 | return false; | |
341 | last = strrchr(list, ','); | |
342 | if (last) | |
343 | /* Pass the comma, strcmp() will check for '\0' */ | |
344 | last++; | |
345 | else | |
346 | last = list; | |
347 | return !strcmp(last, lsm); | |
348 | } | |
349 | ||
d69dece5 CS |
350 | static int lsm_append(char *new, char **result) |
351 | { | |
352 | char *cp; | |
353 | ||
354 | if (*result == NULL) { | |
355 | *result = kstrdup(new, GFP_KERNEL); | |
87ea5843 EB |
356 | if (*result == NULL) |
357 | return -ENOMEM; | |
d69dece5 | 358 | } else { |
3bb857e4 MS |
359 | /* Check if it is the last registered name */ |
360 | if (match_last_lsm(*result, new)) | |
361 | return 0; | |
d69dece5 CS |
362 | cp = kasprintf(GFP_KERNEL, "%s,%s", *result, new); |
363 | if (cp == NULL) | |
364 | return -ENOMEM; | |
365 | kfree(*result); | |
366 | *result = cp; | |
367 | } | |
368 | return 0; | |
369 | } | |
370 | ||
d69dece5 CS |
371 | /** |
372 | * security_add_hooks - Add a modules hooks to the hook lists. | |
373 | * @hooks: the hooks to add | |
374 | * @count: the number of hooks to add | |
375 | * @lsm: the name of the security module | |
376 | * | |
377 | * Each LSM has to register its hooks with the infrastructure. | |
378 | */ | |
379 | void __init security_add_hooks(struct security_hook_list *hooks, int count, | |
380 | char *lsm) | |
381 | { | |
382 | int i; | |
383 | ||
384 | for (i = 0; i < count; i++) { | |
385 | hooks[i].lsm = lsm; | |
df0ce173 | 386 | hlist_add_tail_rcu(&hooks[i].list, hooks[i].head); |
d69dece5 CS |
387 | } |
388 | if (lsm_append(lsm, &lsm_names) < 0) | |
389 | panic("%s - Cannot get early memory.\n", __func__); | |
390 | } | |
391 | ||
8f408ab6 DJ |
392 | int call_lsm_notifier(enum lsm_event event, void *data) |
393 | { | |
394 | return atomic_notifier_call_chain(&lsm_notifier_chain, event, data); | |
395 | } | |
396 | EXPORT_SYMBOL(call_lsm_notifier); | |
397 | ||
398 | int register_lsm_notifier(struct notifier_block *nb) | |
399 | { | |
400 | return atomic_notifier_chain_register(&lsm_notifier_chain, nb); | |
401 | } | |
402 | EXPORT_SYMBOL(register_lsm_notifier); | |
403 | ||
404 | int unregister_lsm_notifier(struct notifier_block *nb) | |
405 | { | |
406 | return atomic_notifier_chain_unregister(&lsm_notifier_chain, nb); | |
407 | } | |
408 | EXPORT_SYMBOL(unregister_lsm_notifier); | |
409 | ||
bbd3662a CS |
410 | /** |
411 | * lsm_cred_alloc - allocate a composite cred blob | |
412 | * @cred: the cred that needs a blob | |
413 | * @gfp: allocation type | |
414 | * | |
415 | * Allocate the cred blob for all the modules | |
416 | * | |
417 | * Returns 0, or -ENOMEM if memory can't be allocated. | |
418 | */ | |
419 | static int lsm_cred_alloc(struct cred *cred, gfp_t gfp) | |
420 | { | |
421 | if (blob_sizes.lbs_cred == 0) { | |
422 | cred->security = NULL; | |
423 | return 0; | |
424 | } | |
425 | ||
426 | cred->security = kzalloc(blob_sizes.lbs_cred, gfp); | |
427 | if (cred->security == NULL) | |
428 | return -ENOMEM; | |
429 | return 0; | |
430 | } | |
431 | ||
432 | /** | |
433 | * lsm_early_cred - during initialization allocate a composite cred blob | |
434 | * @cred: the cred that needs a blob | |
435 | * | |
436 | * Allocate the cred blob for all the modules if it's not already there | |
437 | */ | |
438 | void __init lsm_early_cred(struct cred *cred) | |
439 | { | |
440 | int rc; | |
441 | ||
442 | if (cred == NULL) | |
443 | panic("%s: NULL cred.\n", __func__); | |
444 | if (cred->security != NULL) | |
445 | return; | |
446 | rc = lsm_cred_alloc(cred, GFP_KERNEL); | |
447 | if (rc) | |
448 | panic("%s: Early cred alloc failed.\n", __func__); | |
449 | } | |
450 | ||
f25fce3e | 451 | /* |
b1d9e6b0 | 452 | * Hook list operation macros. |
1da177e4 | 453 | * |
f25fce3e CS |
454 | * call_void_hook: |
455 | * This is a hook that does not return a value. | |
1da177e4 | 456 | * |
f25fce3e CS |
457 | * call_int_hook: |
458 | * This is a hook that returns a value. | |
1da177e4 | 459 | */ |
1da177e4 | 460 | |
b1d9e6b0 CS |
461 | #define call_void_hook(FUNC, ...) \ |
462 | do { \ | |
463 | struct security_hook_list *P; \ | |
464 | \ | |
df0ce173 | 465 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) \ |
b1d9e6b0 CS |
466 | P->hook.FUNC(__VA_ARGS__); \ |
467 | } while (0) | |
468 | ||
469 | #define call_int_hook(FUNC, IRC, ...) ({ \ | |
470 | int RC = IRC; \ | |
471 | do { \ | |
472 | struct security_hook_list *P; \ | |
473 | \ | |
df0ce173 | 474 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) { \ |
b1d9e6b0 CS |
475 | RC = P->hook.FUNC(__VA_ARGS__); \ |
476 | if (RC != 0) \ | |
477 | break; \ | |
478 | } \ | |
479 | } while (0); \ | |
480 | RC; \ | |
481 | }) | |
1da177e4 | 482 | |
20510f2f JM |
483 | /* Security operations */ |
484 | ||
79af7307 SS |
485 | int security_binder_set_context_mgr(struct task_struct *mgr) |
486 | { | |
f25fce3e | 487 | return call_int_hook(binder_set_context_mgr, 0, mgr); |
79af7307 SS |
488 | } |
489 | ||
490 | int security_binder_transaction(struct task_struct *from, | |
491 | struct task_struct *to) | |
492 | { | |
f25fce3e | 493 | return call_int_hook(binder_transaction, 0, from, to); |
79af7307 SS |
494 | } |
495 | ||
496 | int security_binder_transfer_binder(struct task_struct *from, | |
497 | struct task_struct *to) | |
498 | { | |
f25fce3e | 499 | return call_int_hook(binder_transfer_binder, 0, from, to); |
79af7307 SS |
500 | } |
501 | ||
502 | int security_binder_transfer_file(struct task_struct *from, | |
503 | struct task_struct *to, struct file *file) | |
504 | { | |
f25fce3e | 505 | return call_int_hook(binder_transfer_file, 0, from, to, file); |
79af7307 SS |
506 | } |
507 | ||
9e48858f | 508 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 509 | { |
f25fce3e | 510 | return call_int_hook(ptrace_access_check, 0, child, mode); |
5cd9c58f DH |
511 | } |
512 | ||
513 | int security_ptrace_traceme(struct task_struct *parent) | |
514 | { | |
f25fce3e | 515 | return call_int_hook(ptrace_traceme, 0, parent); |
20510f2f JM |
516 | } |
517 | ||
518 | int security_capget(struct task_struct *target, | |
519 | kernel_cap_t *effective, | |
520 | kernel_cap_t *inheritable, | |
521 | kernel_cap_t *permitted) | |
522 | { | |
f25fce3e CS |
523 | return call_int_hook(capget, 0, target, |
524 | effective, inheritable, permitted); | |
20510f2f JM |
525 | } |
526 | ||
d84f4f99 DH |
527 | int security_capset(struct cred *new, const struct cred *old, |
528 | const kernel_cap_t *effective, | |
529 | const kernel_cap_t *inheritable, | |
530 | const kernel_cap_t *permitted) | |
20510f2f | 531 | { |
f25fce3e CS |
532 | return call_int_hook(capset, 0, new, old, |
533 | effective, inheritable, permitted); | |
20510f2f JM |
534 | } |
535 | ||
b7e724d3 | 536 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 537 | int cap) |
20510f2f | 538 | { |
f25fce3e | 539 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
540 | } |
541 | ||
c7eba4a9 EP |
542 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
543 | int cap) | |
06112163 | 544 | { |
f25fce3e | 545 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
546 | } |
547 | ||
20510f2f JM |
548 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
549 | { | |
f25fce3e | 550 | return call_int_hook(quotactl, 0, cmds, type, id, sb); |
20510f2f JM |
551 | } |
552 | ||
553 | int security_quota_on(struct dentry *dentry) | |
554 | { | |
f25fce3e | 555 | return call_int_hook(quota_on, 0, dentry); |
20510f2f JM |
556 | } |
557 | ||
12b3052c | 558 | int security_syslog(int type) |
20510f2f | 559 | { |
f25fce3e | 560 | return call_int_hook(syslog, 0, type); |
20510f2f JM |
561 | } |
562 | ||
457db29b | 563 | int security_settime64(const struct timespec64 *ts, const struct timezone *tz) |
20510f2f | 564 | { |
f25fce3e | 565 | return call_int_hook(settime, 0, ts, tz); |
20510f2f JM |
566 | } |
567 | ||
20510f2f JM |
568 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
569 | { | |
b1d9e6b0 CS |
570 | struct security_hook_list *hp; |
571 | int cap_sys_admin = 1; | |
572 | int rc; | |
573 | ||
574 | /* | |
575 | * The module will respond with a positive value if | |
576 | * it thinks the __vm_enough_memory() call should be | |
577 | * made with the cap_sys_admin set. If all of the modules | |
578 | * agree that it should be set it will. If any module | |
579 | * thinks it should not be set it won't. | |
580 | */ | |
df0ce173 | 581 | hlist_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) { |
b1d9e6b0 CS |
582 | rc = hp->hook.vm_enough_memory(mm, pages); |
583 | if (rc <= 0) { | |
584 | cap_sys_admin = 0; | |
585 | break; | |
586 | } | |
587 | } | |
588 | return __vm_enough_memory(mm, pages, cap_sys_admin); | |
20510f2f JM |
589 | } |
590 | ||
a6f76f23 | 591 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 592 | { |
f25fce3e | 593 | return call_int_hook(bprm_set_creds, 0, bprm); |
20510f2f JM |
594 | } |
595 | ||
a6f76f23 | 596 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 597 | { |
6c21a7fb MZ |
598 | int ret; |
599 | ||
f25fce3e | 600 | ret = call_int_hook(bprm_check_security, 0, bprm); |
6c21a7fb MZ |
601 | if (ret) |
602 | return ret; | |
603 | return ima_bprm_check(bprm); | |
20510f2f JM |
604 | } |
605 | ||
a6f76f23 | 606 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 607 | { |
f25fce3e | 608 | call_void_hook(bprm_committing_creds, bprm); |
20510f2f JM |
609 | } |
610 | ||
a6f76f23 | 611 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 612 | { |
f25fce3e | 613 | call_void_hook(bprm_committed_creds, bprm); |
20510f2f JM |
614 | } |
615 | ||
20510f2f JM |
616 | int security_sb_alloc(struct super_block *sb) |
617 | { | |
f25fce3e | 618 | return call_int_hook(sb_alloc_security, 0, sb); |
20510f2f JM |
619 | } |
620 | ||
621 | void security_sb_free(struct super_block *sb) | |
622 | { | |
f25fce3e | 623 | call_void_hook(sb_free_security, sb); |
20510f2f JM |
624 | } |
625 | ||
204cc0cc | 626 | void security_free_mnt_opts(void **mnt_opts) |
20510f2f | 627 | { |
204cc0cc AV |
628 | if (!*mnt_opts) |
629 | return; | |
630 | call_void_hook(sb_free_mnt_opts, *mnt_opts); | |
631 | *mnt_opts = NULL; | |
20510f2f | 632 | } |
204cc0cc | 633 | EXPORT_SYMBOL(security_free_mnt_opts); |
20510f2f | 634 | |
204cc0cc | 635 | int security_sb_eat_lsm_opts(char *options, void **mnt_opts) |
ff36fe2c | 636 | { |
204cc0cc | 637 | return call_int_hook(sb_eat_lsm_opts, 0, options, mnt_opts); |
ff36fe2c | 638 | } |
f5c0c26d | 639 | EXPORT_SYMBOL(security_sb_eat_lsm_opts); |
ff36fe2c | 640 | |
c039bc3c | 641 | int security_sb_remount(struct super_block *sb, |
204cc0cc | 642 | void *mnt_opts) |
20510f2f | 643 | { |
204cc0cc | 644 | return call_int_hook(sb_remount, 0, sb, mnt_opts); |
ff36fe2c | 645 | } |
a65001e8 | 646 | EXPORT_SYMBOL(security_sb_remount); |
ff36fe2c | 647 | |
a10d7c22 | 648 | int security_sb_kern_mount(struct super_block *sb) |
20510f2f | 649 | { |
a10d7c22 | 650 | return call_int_hook(sb_kern_mount, 0, sb); |
20510f2f JM |
651 | } |
652 | ||
2069f457 EP |
653 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
654 | { | |
f25fce3e | 655 | return call_int_hook(sb_show_options, 0, m, sb); |
2069f457 EP |
656 | } |
657 | ||
20510f2f JM |
658 | int security_sb_statfs(struct dentry *dentry) |
659 | { | |
f25fce3e | 660 | return call_int_hook(sb_statfs, 0, dentry); |
20510f2f JM |
661 | } |
662 | ||
8a04c43b | 663 | int security_sb_mount(const char *dev_name, const struct path *path, |
808d4e3c | 664 | const char *type, unsigned long flags, void *data) |
20510f2f | 665 | { |
f25fce3e | 666 | return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data); |
20510f2f JM |
667 | } |
668 | ||
20510f2f JM |
669 | int security_sb_umount(struct vfsmount *mnt, int flags) |
670 | { | |
f25fce3e | 671 | return call_int_hook(sb_umount, 0, mnt, flags); |
20510f2f JM |
672 | } |
673 | ||
3b73b68c | 674 | int security_sb_pivotroot(const struct path *old_path, const struct path *new_path) |
20510f2f | 675 | { |
f25fce3e | 676 | return call_int_hook(sb_pivotroot, 0, old_path, new_path); |
20510f2f JM |
677 | } |
678 | ||
c9180a57 | 679 | int security_sb_set_mnt_opts(struct super_block *sb, |
204cc0cc | 680 | void *mnt_opts, |
649f6e77 DQ |
681 | unsigned long kern_flags, |
682 | unsigned long *set_kern_flags) | |
c9180a57 | 683 | { |
b1d9e6b0 | 684 | return call_int_hook(sb_set_mnt_opts, |
204cc0cc AV |
685 | mnt_opts ? -EOPNOTSUPP : 0, sb, |
686 | mnt_opts, kern_flags, set_kern_flags); | |
c9180a57 | 687 | } |
e0007529 | 688 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 689 | |
094f7b69 | 690 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
0b4d3452 SM |
691 | struct super_block *newsb, |
692 | unsigned long kern_flags, | |
693 | unsigned long *set_kern_flags) | |
c9180a57 | 694 | { |
0b4d3452 SM |
695 | return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb, |
696 | kern_flags, set_kern_flags); | |
c9180a57 | 697 | } |
e0007529 EP |
698 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
699 | ||
757cbe59 AV |
700 | int security_add_mnt_opt(const char *option, const char *val, int len, |
701 | void **mnt_opts) | |
e0007529 | 702 | { |
757cbe59 AV |
703 | return call_int_hook(sb_add_mnt_opt, -EINVAL, |
704 | option, val, len, mnt_opts); | |
e0007529 | 705 | } |
757cbe59 | 706 | EXPORT_SYMBOL(security_add_mnt_opt); |
c9180a57 | 707 | |
20510f2f JM |
708 | int security_inode_alloc(struct inode *inode) |
709 | { | |
710 | inode->i_security = NULL; | |
f25fce3e | 711 | return call_int_hook(inode_alloc_security, 0, inode); |
20510f2f JM |
712 | } |
713 | ||
714 | void security_inode_free(struct inode *inode) | |
715 | { | |
f381c272 | 716 | integrity_inode_free(inode); |
f25fce3e | 717 | call_void_hook(inode_free_security, inode); |
20510f2f JM |
718 | } |
719 | ||
d47be3df | 720 | int security_dentry_init_security(struct dentry *dentry, int mode, |
4f3ccd76 | 721 | const struct qstr *name, void **ctx, |
d47be3df DQ |
722 | u32 *ctxlen) |
723 | { | |
b1d9e6b0 CS |
724 | return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode, |
725 | name, ctx, ctxlen); | |
d47be3df DQ |
726 | } |
727 | EXPORT_SYMBOL(security_dentry_init_security); | |
728 | ||
2602625b VG |
729 | int security_dentry_create_files_as(struct dentry *dentry, int mode, |
730 | struct qstr *name, | |
731 | const struct cred *old, struct cred *new) | |
732 | { | |
733 | return call_int_hook(dentry_create_files_as, 0, dentry, mode, | |
734 | name, old, new); | |
735 | } | |
736 | EXPORT_SYMBOL(security_dentry_create_files_as); | |
737 | ||
20510f2f | 738 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
739 | const struct qstr *qstr, |
740 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 741 | { |
823eb1cc MZ |
742 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
743 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
744 | int ret; |
745 | ||
20510f2f | 746 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 747 | return 0; |
9d8f13ba | 748 | |
9d8f13ba | 749 | if (!initxattrs) |
e308fd3b JB |
750 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, |
751 | dir, qstr, NULL, NULL, NULL); | |
9548906b | 752 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
9d8f13ba | 753 | lsm_xattr = new_xattrs; |
b1d9e6b0 | 754 | ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, |
9d8f13ba MZ |
755 | &lsm_xattr->name, |
756 | &lsm_xattr->value, | |
757 | &lsm_xattr->value_len); | |
758 | if (ret) | |
759 | goto out; | |
823eb1cc MZ |
760 | |
761 | evm_xattr = lsm_xattr + 1; | |
762 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
763 | if (ret) | |
764 | goto out; | |
9d8f13ba MZ |
765 | ret = initxattrs(inode, new_xattrs, fs_data); |
766 | out: | |
9548906b | 767 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
823eb1cc | 768 | kfree(xattr->value); |
9d8f13ba MZ |
769 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
770 | } | |
771 | EXPORT_SYMBOL(security_inode_init_security); | |
772 | ||
773 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 774 | const struct qstr *qstr, const char **name, |
9d8f13ba | 775 | void **value, size_t *len) |
20510f2f JM |
776 | { |
777 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 778 | return -EOPNOTSUPP; |
e308fd3b JB |
779 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, |
780 | qstr, name, value, len); | |
20510f2f | 781 | } |
9d8f13ba | 782 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 783 | |
be6d3e56 | 784 | #ifdef CONFIG_SECURITY_PATH |
d3607752 | 785 | int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
786 | unsigned int dev) |
787 | { | |
c6f493d6 | 788 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 789 | return 0; |
f25fce3e | 790 | return call_int_hook(path_mknod, 0, dir, dentry, mode, dev); |
be6d3e56 KT |
791 | } |
792 | EXPORT_SYMBOL(security_path_mknod); | |
793 | ||
d3607752 | 794 | int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 795 | { |
c6f493d6 | 796 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 797 | return 0; |
f25fce3e | 798 | return call_int_hook(path_mkdir, 0, dir, dentry, mode); |
be6d3e56 | 799 | } |
82140443 | 800 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 801 | |
989f74e0 | 802 | int security_path_rmdir(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 803 | { |
c6f493d6 | 804 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 805 | return 0; |
f25fce3e | 806 | return call_int_hook(path_rmdir, 0, dir, dentry); |
be6d3e56 KT |
807 | } |
808 | ||
989f74e0 | 809 | int security_path_unlink(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 810 | { |
c6f493d6 | 811 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 812 | return 0; |
f25fce3e | 813 | return call_int_hook(path_unlink, 0, dir, dentry); |
be6d3e56 | 814 | } |
82140443 | 815 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 816 | |
d3607752 | 817 | int security_path_symlink(const struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
818 | const char *old_name) |
819 | { | |
c6f493d6 | 820 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 821 | return 0; |
f25fce3e | 822 | return call_int_hook(path_symlink, 0, dir, dentry, old_name); |
be6d3e56 KT |
823 | } |
824 | ||
3ccee46a | 825 | int security_path_link(struct dentry *old_dentry, const struct path *new_dir, |
be6d3e56 KT |
826 | struct dentry *new_dentry) |
827 | { | |
c6f493d6 | 828 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
be6d3e56 | 829 | return 0; |
f25fce3e | 830 | return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry); |
be6d3e56 KT |
831 | } |
832 | ||
3ccee46a AV |
833 | int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, |
834 | const struct path *new_dir, struct dentry *new_dentry, | |
0b3974eb | 835 | unsigned int flags) |
be6d3e56 | 836 | { |
c6f493d6 DH |
837 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
838 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
be6d3e56 | 839 | return 0; |
da1ce067 MS |
840 | |
841 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e CS |
842 | int err = call_int_hook(path_rename, 0, new_dir, new_dentry, |
843 | old_dir, old_dentry); | |
da1ce067 MS |
844 | if (err) |
845 | return err; | |
846 | } | |
847 | ||
f25fce3e CS |
848 | return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, |
849 | new_dentry); | |
be6d3e56 | 850 | } |
82140443 | 851 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 852 | |
81f4c506 | 853 | int security_path_truncate(const struct path *path) |
be6d3e56 | 854 | { |
c6f493d6 | 855 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
be6d3e56 | 856 | return 0; |
f25fce3e | 857 | return call_int_hook(path_truncate, 0, path); |
be6d3e56 | 858 | } |
89eda068 | 859 | |
be01f9f2 | 860 | int security_path_chmod(const struct path *path, umode_t mode) |
89eda068 | 861 | { |
c6f493d6 | 862 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 863 | return 0; |
f25fce3e | 864 | return call_int_hook(path_chmod, 0, path, mode); |
89eda068 TH |
865 | } |
866 | ||
7fd25dac | 867 | int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
89eda068 | 868 | { |
c6f493d6 | 869 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 870 | return 0; |
f25fce3e | 871 | return call_int_hook(path_chown, 0, path, uid, gid); |
89eda068 | 872 | } |
8b8efb44 | 873 | |
77b286c0 | 874 | int security_path_chroot(const struct path *path) |
8b8efb44 | 875 | { |
f25fce3e | 876 | return call_int_hook(path_chroot, 0, path); |
8b8efb44 | 877 | } |
be6d3e56 KT |
878 | #endif |
879 | ||
4acdaf27 | 880 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
881 | { |
882 | if (unlikely(IS_PRIVATE(dir))) | |
883 | return 0; | |
f25fce3e | 884 | return call_int_hook(inode_create, 0, dir, dentry, mode); |
20510f2f | 885 | } |
800a9647 | 886 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
887 | |
888 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
889 | struct dentry *new_dentry) | |
890 | { | |
c6f493d6 | 891 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
20510f2f | 892 | return 0; |
f25fce3e | 893 | return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry); |
20510f2f JM |
894 | } |
895 | ||
896 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
897 | { | |
c6f493d6 | 898 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 899 | return 0; |
f25fce3e | 900 | return call_int_hook(inode_unlink, 0, dir, dentry); |
20510f2f JM |
901 | } |
902 | ||
903 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
904 | const char *old_name) | |
905 | { | |
906 | if (unlikely(IS_PRIVATE(dir))) | |
907 | return 0; | |
f25fce3e | 908 | return call_int_hook(inode_symlink, 0, dir, dentry, old_name); |
20510f2f JM |
909 | } |
910 | ||
18bb1db3 | 911 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
912 | { |
913 | if (unlikely(IS_PRIVATE(dir))) | |
914 | return 0; | |
f25fce3e | 915 | return call_int_hook(inode_mkdir, 0, dir, dentry, mode); |
20510f2f | 916 | } |
800a9647 | 917 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
918 | |
919 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
920 | { | |
c6f493d6 | 921 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 922 | return 0; |
f25fce3e | 923 | return call_int_hook(inode_rmdir, 0, dir, dentry); |
20510f2f JM |
924 | } |
925 | ||
1a67aafb | 926 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
927 | { |
928 | if (unlikely(IS_PRIVATE(dir))) | |
929 | return 0; | |
f25fce3e | 930 | return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev); |
20510f2f JM |
931 | } |
932 | ||
933 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
934 | struct inode *new_dir, struct dentry *new_dentry, |
935 | unsigned int flags) | |
20510f2f | 936 | { |
c6f493d6 DH |
937 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
938 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
20510f2f | 939 | return 0; |
da1ce067 MS |
940 | |
941 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e | 942 | int err = call_int_hook(inode_rename, 0, new_dir, new_dentry, |
da1ce067 MS |
943 | old_dir, old_dentry); |
944 | if (err) | |
945 | return err; | |
946 | } | |
947 | ||
f25fce3e | 948 | return call_int_hook(inode_rename, 0, old_dir, old_dentry, |
20510f2f JM |
949 | new_dir, new_dentry); |
950 | } | |
951 | ||
952 | int security_inode_readlink(struct dentry *dentry) | |
953 | { | |
c6f493d6 | 954 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 955 | return 0; |
f25fce3e | 956 | return call_int_hook(inode_readlink, 0, dentry); |
20510f2f JM |
957 | } |
958 | ||
bda0be7a N |
959 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
960 | bool rcu) | |
20510f2f | 961 | { |
bda0be7a | 962 | if (unlikely(IS_PRIVATE(inode))) |
20510f2f | 963 | return 0; |
e22619a2 | 964 | return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); |
20510f2f JM |
965 | } |
966 | ||
b77b0646 | 967 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
968 | { |
969 | if (unlikely(IS_PRIVATE(inode))) | |
970 | return 0; | |
f25fce3e | 971 | return call_int_hook(inode_permission, 0, inode, mask); |
20510f2f JM |
972 | } |
973 | ||
974 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
975 | { | |
817b54aa MZ |
976 | int ret; |
977 | ||
c6f493d6 | 978 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 979 | return 0; |
f25fce3e | 980 | ret = call_int_hook(inode_setattr, 0, dentry, attr); |
817b54aa MZ |
981 | if (ret) |
982 | return ret; | |
983 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 984 | } |
b1da47e2 | 985 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 986 | |
3f7036a0 | 987 | int security_inode_getattr(const struct path *path) |
20510f2f | 988 | { |
c6f493d6 | 989 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 990 | return 0; |
f25fce3e | 991 | return call_int_hook(inode_getattr, 0, path); |
20510f2f JM |
992 | } |
993 | ||
8f0cfa52 DH |
994 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
995 | const void *value, size_t size, int flags) | |
20510f2f | 996 | { |
3e1be52d MZ |
997 | int ret; |
998 | ||
c6f493d6 | 999 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 1000 | return 0; |
b1d9e6b0 CS |
1001 | /* |
1002 | * SELinux and Smack integrate the cap call, | |
1003 | * so assume that all LSMs supplying this call do so. | |
1004 | */ | |
1005 | ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, | |
f25fce3e | 1006 | flags); |
b1d9e6b0 CS |
1007 | |
1008 | if (ret == 1) | |
1009 | ret = cap_inode_setxattr(dentry, name, value, size, flags); | |
42c63330 MZ |
1010 | if (ret) |
1011 | return ret; | |
1012 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
1013 | if (ret) |
1014 | return ret; | |
1015 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
1016 | } |
1017 | ||
8f0cfa52 DH |
1018 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
1019 | const void *value, size_t size, int flags) | |
20510f2f | 1020 | { |
c6f493d6 | 1021 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 1022 | return; |
f25fce3e | 1023 | call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); |
3e1be52d | 1024 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
1025 | } |
1026 | ||
8f0cfa52 | 1027 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 1028 | { |
c6f493d6 | 1029 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 1030 | return 0; |
f25fce3e | 1031 | return call_int_hook(inode_getxattr, 0, dentry, name); |
20510f2f JM |
1032 | } |
1033 | ||
1034 | int security_inode_listxattr(struct dentry *dentry) | |
1035 | { | |
c6f493d6 | 1036 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 1037 | return 0; |
f25fce3e | 1038 | return call_int_hook(inode_listxattr, 0, dentry); |
20510f2f JM |
1039 | } |
1040 | ||
8f0cfa52 | 1041 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 1042 | { |
3e1be52d MZ |
1043 | int ret; |
1044 | ||
c6f493d6 | 1045 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 1046 | return 0; |
b1d9e6b0 CS |
1047 | /* |
1048 | * SELinux and Smack integrate the cap call, | |
1049 | * so assume that all LSMs supplying this call do so. | |
1050 | */ | |
1051 | ret = call_int_hook(inode_removexattr, 1, dentry, name); | |
1052 | if (ret == 1) | |
1053 | ret = cap_inode_removexattr(dentry, name); | |
42c63330 MZ |
1054 | if (ret) |
1055 | return ret; | |
1056 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
1057 | if (ret) |
1058 | return ret; | |
1059 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
1060 | } |
1061 | ||
b5376771 SH |
1062 | int security_inode_need_killpriv(struct dentry *dentry) |
1063 | { | |
f25fce3e | 1064 | return call_int_hook(inode_need_killpriv, 0, dentry); |
b5376771 SH |
1065 | } |
1066 | ||
1067 | int security_inode_killpriv(struct dentry *dentry) | |
1068 | { | |
f25fce3e | 1069 | return call_int_hook(inode_killpriv, 0, dentry); |
b5376771 SH |
1070 | } |
1071 | ||
ea861dfd | 1072 | int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f | 1073 | { |
2885c1e3 CS |
1074 | struct security_hook_list *hp; |
1075 | int rc; | |
1076 | ||
20510f2f | 1077 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 1078 | return -EOPNOTSUPP; |
2885c1e3 CS |
1079 | /* |
1080 | * Only one module will provide an attribute with a given name. | |
1081 | */ | |
df0ce173 | 1082 | hlist_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { |
2885c1e3 CS |
1083 | rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); |
1084 | if (rc != -EOPNOTSUPP) | |
1085 | return rc; | |
1086 | } | |
1087 | return -EOPNOTSUPP; | |
20510f2f JM |
1088 | } |
1089 | ||
1090 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
1091 | { | |
2885c1e3 CS |
1092 | struct security_hook_list *hp; |
1093 | int rc; | |
1094 | ||
20510f2f | 1095 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 1096 | return -EOPNOTSUPP; |
2885c1e3 CS |
1097 | /* |
1098 | * Only one module will provide an attribute with a given name. | |
1099 | */ | |
df0ce173 | 1100 | hlist_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { |
2885c1e3 CS |
1101 | rc = hp->hook.inode_setsecurity(inode, name, value, size, |
1102 | flags); | |
1103 | if (rc != -EOPNOTSUPP) | |
1104 | return rc; | |
1105 | } | |
1106 | return -EOPNOTSUPP; | |
20510f2f JM |
1107 | } |
1108 | ||
1109 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
1110 | { | |
1111 | if (unlikely(IS_PRIVATE(inode))) | |
1112 | return 0; | |
f25fce3e | 1113 | return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); |
20510f2f | 1114 | } |
c9bccef6 | 1115 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 1116 | |
d6335d77 | 1117 | void security_inode_getsecid(struct inode *inode, u32 *secid) |
8a076191 | 1118 | { |
f25fce3e | 1119 | call_void_hook(inode_getsecid, inode, secid); |
8a076191 AD |
1120 | } |
1121 | ||
d8ad8b49 VG |
1122 | int security_inode_copy_up(struct dentry *src, struct cred **new) |
1123 | { | |
1124 | return call_int_hook(inode_copy_up, 0, src, new); | |
1125 | } | |
1126 | EXPORT_SYMBOL(security_inode_copy_up); | |
1127 | ||
121ab822 VG |
1128 | int security_inode_copy_up_xattr(const char *name) |
1129 | { | |
1130 | return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); | |
1131 | } | |
1132 | EXPORT_SYMBOL(security_inode_copy_up_xattr); | |
1133 | ||
20510f2f JM |
1134 | int security_file_permission(struct file *file, int mask) |
1135 | { | |
c4ec54b4 EP |
1136 | int ret; |
1137 | ||
f25fce3e | 1138 | ret = call_int_hook(file_permission, 0, file, mask); |
c4ec54b4 EP |
1139 | if (ret) |
1140 | return ret; | |
1141 | ||
1142 | return fsnotify_perm(file, mask); | |
20510f2f JM |
1143 | } |
1144 | ||
1145 | int security_file_alloc(struct file *file) | |
1146 | { | |
f25fce3e | 1147 | return call_int_hook(file_alloc_security, 0, file); |
20510f2f JM |
1148 | } |
1149 | ||
1150 | void security_file_free(struct file *file) | |
1151 | { | |
f25fce3e | 1152 | call_void_hook(file_free_security, file); |
20510f2f JM |
1153 | } |
1154 | ||
1155 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
1156 | { | |
f25fce3e | 1157 | return call_int_hook(file_ioctl, 0, file, cmd, arg); |
20510f2f JM |
1158 | } |
1159 | ||
98de59bf | 1160 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 1161 | { |
8b3ec681 | 1162 | /* |
98de59bf AV |
1163 | * Does we have PROT_READ and does the application expect |
1164 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 1165 | */ |
98de59bf AV |
1166 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
1167 | return prot; | |
8b3ec681 | 1168 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
1169 | return prot; |
1170 | /* | |
1171 | * if that's an anonymous mapping, let it. | |
1172 | */ | |
1173 | if (!file) | |
1174 | return prot | PROT_EXEC; | |
1175 | /* | |
1176 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 1177 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf | 1178 | */ |
90f8572b | 1179 | if (!path_noexec(&file->f_path)) { |
8b3ec681 | 1180 | #ifndef CONFIG_MMU |
b4caecd4 CH |
1181 | if (file->f_op->mmap_capabilities) { |
1182 | unsigned caps = file->f_op->mmap_capabilities(file); | |
1183 | if (!(caps & NOMMU_MAP_EXEC)) | |
1184 | return prot; | |
1185 | } | |
8b3ec681 | 1186 | #endif |
98de59bf | 1187 | return prot | PROT_EXEC; |
8b3ec681 | 1188 | } |
98de59bf AV |
1189 | /* anything on noexec mount won't get PROT_EXEC */ |
1190 | return prot; | |
1191 | } | |
1192 | ||
1193 | int security_mmap_file(struct file *file, unsigned long prot, | |
1194 | unsigned long flags) | |
1195 | { | |
1196 | int ret; | |
f25fce3e | 1197 | ret = call_int_hook(mmap_file, 0, file, prot, |
98de59bf | 1198 | mmap_prot(file, prot), flags); |
6c21a7fb MZ |
1199 | if (ret) |
1200 | return ret; | |
1201 | return ima_file_mmap(file, prot); | |
20510f2f JM |
1202 | } |
1203 | ||
e5467859 AV |
1204 | int security_mmap_addr(unsigned long addr) |
1205 | { | |
f25fce3e | 1206 | return call_int_hook(mmap_addr, 0, addr); |
e5467859 AV |
1207 | } |
1208 | ||
20510f2f JM |
1209 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
1210 | unsigned long prot) | |
1211 | { | |
f25fce3e | 1212 | return call_int_hook(file_mprotect, 0, vma, reqprot, prot); |
20510f2f JM |
1213 | } |
1214 | ||
1215 | int security_file_lock(struct file *file, unsigned int cmd) | |
1216 | { | |
f25fce3e | 1217 | return call_int_hook(file_lock, 0, file, cmd); |
20510f2f JM |
1218 | } |
1219 | ||
1220 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
1221 | { | |
f25fce3e | 1222 | return call_int_hook(file_fcntl, 0, file, cmd, arg); |
20510f2f JM |
1223 | } |
1224 | ||
e0b93edd | 1225 | void security_file_set_fowner(struct file *file) |
20510f2f | 1226 | { |
f25fce3e | 1227 | call_void_hook(file_set_fowner, file); |
20510f2f JM |
1228 | } |
1229 | ||
1230 | int security_file_send_sigiotask(struct task_struct *tsk, | |
1231 | struct fown_struct *fown, int sig) | |
1232 | { | |
f25fce3e | 1233 | return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); |
20510f2f JM |
1234 | } |
1235 | ||
1236 | int security_file_receive(struct file *file) | |
1237 | { | |
f25fce3e | 1238 | return call_int_hook(file_receive, 0, file); |
20510f2f JM |
1239 | } |
1240 | ||
e3f20ae2 | 1241 | int security_file_open(struct file *file) |
20510f2f | 1242 | { |
c4ec54b4 EP |
1243 | int ret; |
1244 | ||
94817692 | 1245 | ret = call_int_hook(file_open, 0, file); |
c4ec54b4 EP |
1246 | if (ret) |
1247 | return ret; | |
1248 | ||
1249 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
1250 | } |
1251 | ||
e4e55b47 TH |
1252 | int security_task_alloc(struct task_struct *task, unsigned long clone_flags) |
1253 | { | |
1254 | return call_int_hook(task_alloc, 0, task, clone_flags); | |
1255 | } | |
1256 | ||
1a2a4d06 KC |
1257 | void security_task_free(struct task_struct *task) |
1258 | { | |
f25fce3e | 1259 | call_void_hook(task_free, task); |
1a2a4d06 KC |
1260 | } |
1261 | ||
ee18d64c DH |
1262 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
1263 | { | |
bbd3662a CS |
1264 | int rc = lsm_cred_alloc(cred, gfp); |
1265 | ||
1266 | if (rc) | |
1267 | return rc; | |
1268 | ||
1269 | rc = call_int_hook(cred_alloc_blank, 0, cred, gfp); | |
1270 | if (rc) | |
1271 | security_cred_free(cred); | |
1272 | return rc; | |
ee18d64c DH |
1273 | } |
1274 | ||
d84f4f99 | 1275 | void security_cred_free(struct cred *cred) |
20510f2f | 1276 | { |
f25fce3e | 1277 | call_void_hook(cred_free, cred); |
bbd3662a CS |
1278 | |
1279 | kfree(cred->security); | |
1280 | cred->security = NULL; | |
20510f2f JM |
1281 | } |
1282 | ||
d84f4f99 | 1283 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 1284 | { |
bbd3662a CS |
1285 | int rc = lsm_cred_alloc(new, gfp); |
1286 | ||
1287 | if (rc) | |
1288 | return rc; | |
1289 | ||
1290 | rc = call_int_hook(cred_prepare, 0, new, old, gfp); | |
1291 | if (rc) | |
1292 | security_cred_free(new); | |
1293 | return rc; | |
d84f4f99 DH |
1294 | } |
1295 | ||
ee18d64c DH |
1296 | void security_transfer_creds(struct cred *new, const struct cred *old) |
1297 | { | |
f25fce3e | 1298 | call_void_hook(cred_transfer, new, old); |
ee18d64c DH |
1299 | } |
1300 | ||
3ec30113 MG |
1301 | void security_cred_getsecid(const struct cred *c, u32 *secid) |
1302 | { | |
1303 | *secid = 0; | |
1304 | call_void_hook(cred_getsecid, c, secid); | |
1305 | } | |
1306 | EXPORT_SYMBOL(security_cred_getsecid); | |
1307 | ||
3a3b7ce9 DH |
1308 | int security_kernel_act_as(struct cred *new, u32 secid) |
1309 | { | |
f25fce3e | 1310 | return call_int_hook(kernel_act_as, 0, new, secid); |
3a3b7ce9 DH |
1311 | } |
1312 | ||
1313 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
1314 | { | |
f25fce3e | 1315 | return call_int_hook(kernel_create_files_as, 0, new, inode); |
3a3b7ce9 DH |
1316 | } |
1317 | ||
dd8dbf2e | 1318 | int security_kernel_module_request(char *kmod_name) |
9188499c | 1319 | { |
6eb864c1 MK |
1320 | int ret; |
1321 | ||
1322 | ret = call_int_hook(kernel_module_request, 0, kmod_name); | |
1323 | if (ret) | |
1324 | return ret; | |
1325 | return integrity_kernel_module_request(kmod_name); | |
9188499c EP |
1326 | } |
1327 | ||
39eeb4fb MZ |
1328 | int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) |
1329 | { | |
1330 | int ret; | |
1331 | ||
1332 | ret = call_int_hook(kernel_read_file, 0, file, id); | |
1333 | if (ret) | |
1334 | return ret; | |
1335 | return ima_read_file(file, id); | |
1336 | } | |
1337 | EXPORT_SYMBOL_GPL(security_kernel_read_file); | |
1338 | ||
bc8ca5b9 MZ |
1339 | int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, |
1340 | enum kernel_read_file_id id) | |
b44a7dfc | 1341 | { |
cf222217 MZ |
1342 | int ret; |
1343 | ||
1344 | ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); | |
1345 | if (ret) | |
1346 | return ret; | |
1347 | return ima_post_read_file(file, buf, size, id); | |
b44a7dfc MZ |
1348 | } |
1349 | EXPORT_SYMBOL_GPL(security_kernel_post_read_file); | |
1350 | ||
377179cd MZ |
1351 | int security_kernel_load_data(enum kernel_load_data_id id) |
1352 | { | |
16c267aa MZ |
1353 | int ret; |
1354 | ||
1355 | ret = call_int_hook(kernel_load_data, 0, id); | |
1356 | if (ret) | |
1357 | return ret; | |
1358 | return ima_load_data(id); | |
377179cd | 1359 | } |
83a68a06 | 1360 | EXPORT_SYMBOL_GPL(security_kernel_load_data); |
377179cd | 1361 | |
d84f4f99 DH |
1362 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
1363 | int flags) | |
20510f2f | 1364 | { |
f25fce3e | 1365 | return call_int_hook(task_fix_setuid, 0, new, old, flags); |
20510f2f JM |
1366 | } |
1367 | ||
20510f2f JM |
1368 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
1369 | { | |
f25fce3e | 1370 | return call_int_hook(task_setpgid, 0, p, pgid); |
20510f2f JM |
1371 | } |
1372 | ||
1373 | int security_task_getpgid(struct task_struct *p) | |
1374 | { | |
f25fce3e | 1375 | return call_int_hook(task_getpgid, 0, p); |
20510f2f JM |
1376 | } |
1377 | ||
1378 | int security_task_getsid(struct task_struct *p) | |
1379 | { | |
f25fce3e | 1380 | return call_int_hook(task_getsid, 0, p); |
20510f2f JM |
1381 | } |
1382 | ||
1383 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
1384 | { | |
b1d9e6b0 | 1385 | *secid = 0; |
f25fce3e | 1386 | call_void_hook(task_getsecid, p, secid); |
20510f2f JM |
1387 | } |
1388 | EXPORT_SYMBOL(security_task_getsecid); | |
1389 | ||
20510f2f JM |
1390 | int security_task_setnice(struct task_struct *p, int nice) |
1391 | { | |
f25fce3e | 1392 | return call_int_hook(task_setnice, 0, p, nice); |
20510f2f JM |
1393 | } |
1394 | ||
1395 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
1396 | { | |
f25fce3e | 1397 | return call_int_hook(task_setioprio, 0, p, ioprio); |
20510f2f JM |
1398 | } |
1399 | ||
1400 | int security_task_getioprio(struct task_struct *p) | |
1401 | { | |
f25fce3e | 1402 | return call_int_hook(task_getioprio, 0, p); |
20510f2f JM |
1403 | } |
1404 | ||
791ec491 SS |
1405 | int security_task_prlimit(const struct cred *cred, const struct cred *tcred, |
1406 | unsigned int flags) | |
1407 | { | |
1408 | return call_int_hook(task_prlimit, 0, cred, tcred, flags); | |
1409 | } | |
1410 | ||
8fd00b4d JS |
1411 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
1412 | struct rlimit *new_rlim) | |
20510f2f | 1413 | { |
f25fce3e | 1414 | return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); |
20510f2f JM |
1415 | } |
1416 | ||
b0ae1981 | 1417 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 1418 | { |
f25fce3e | 1419 | return call_int_hook(task_setscheduler, 0, p); |
20510f2f JM |
1420 | } |
1421 | ||
1422 | int security_task_getscheduler(struct task_struct *p) | |
1423 | { | |
f25fce3e | 1424 | return call_int_hook(task_getscheduler, 0, p); |
20510f2f JM |
1425 | } |
1426 | ||
1427 | int security_task_movememory(struct task_struct *p) | |
1428 | { | |
f25fce3e | 1429 | return call_int_hook(task_movememory, 0, p); |
20510f2f JM |
1430 | } |
1431 | ||
ae7795bc | 1432 | int security_task_kill(struct task_struct *p, struct kernel_siginfo *info, |
6b4f3d01 | 1433 | int sig, const struct cred *cred) |
20510f2f | 1434 | { |
6b4f3d01 | 1435 | return call_int_hook(task_kill, 0, p, info, sig, cred); |
20510f2f JM |
1436 | } |
1437 | ||
20510f2f | 1438 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
d84f4f99 | 1439 | unsigned long arg4, unsigned long arg5) |
20510f2f | 1440 | { |
b1d9e6b0 CS |
1441 | int thisrc; |
1442 | int rc = -ENOSYS; | |
1443 | struct security_hook_list *hp; | |
1444 | ||
df0ce173 | 1445 | hlist_for_each_entry(hp, &security_hook_heads.task_prctl, list) { |
b1d9e6b0 CS |
1446 | thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); |
1447 | if (thisrc != -ENOSYS) { | |
1448 | rc = thisrc; | |
1449 | if (thisrc != 0) | |
1450 | break; | |
1451 | } | |
1452 | } | |
1453 | return rc; | |
20510f2f JM |
1454 | } |
1455 | ||
1456 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
1457 | { | |
f25fce3e | 1458 | call_void_hook(task_to_inode, p, inode); |
20510f2f JM |
1459 | } |
1460 | ||
1461 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
1462 | { | |
f25fce3e | 1463 | return call_int_hook(ipc_permission, 0, ipcp, flag); |
20510f2f JM |
1464 | } |
1465 | ||
8a076191 AD |
1466 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
1467 | { | |
b1d9e6b0 | 1468 | *secid = 0; |
f25fce3e | 1469 | call_void_hook(ipc_getsecid, ipcp, secid); |
8a076191 AD |
1470 | } |
1471 | ||
20510f2f JM |
1472 | int security_msg_msg_alloc(struct msg_msg *msg) |
1473 | { | |
f25fce3e | 1474 | return call_int_hook(msg_msg_alloc_security, 0, msg); |
20510f2f JM |
1475 | } |
1476 | ||
1477 | void security_msg_msg_free(struct msg_msg *msg) | |
1478 | { | |
f25fce3e | 1479 | call_void_hook(msg_msg_free_security, msg); |
20510f2f JM |
1480 | } |
1481 | ||
d8c6e854 | 1482 | int security_msg_queue_alloc(struct kern_ipc_perm *msq) |
20510f2f | 1483 | { |
f25fce3e | 1484 | return call_int_hook(msg_queue_alloc_security, 0, msq); |
20510f2f JM |
1485 | } |
1486 | ||
d8c6e854 | 1487 | void security_msg_queue_free(struct kern_ipc_perm *msq) |
20510f2f | 1488 | { |
f25fce3e | 1489 | call_void_hook(msg_queue_free_security, msq); |
20510f2f JM |
1490 | } |
1491 | ||
d8c6e854 | 1492 | int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg) |
20510f2f | 1493 | { |
f25fce3e | 1494 | return call_int_hook(msg_queue_associate, 0, msq, msqflg); |
20510f2f JM |
1495 | } |
1496 | ||
d8c6e854 | 1497 | int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd) |
20510f2f | 1498 | { |
f25fce3e | 1499 | return call_int_hook(msg_queue_msgctl, 0, msq, cmd); |
20510f2f JM |
1500 | } |
1501 | ||
d8c6e854 | 1502 | int security_msg_queue_msgsnd(struct kern_ipc_perm *msq, |
20510f2f JM |
1503 | struct msg_msg *msg, int msqflg) |
1504 | { | |
f25fce3e | 1505 | return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); |
20510f2f JM |
1506 | } |
1507 | ||
d8c6e854 | 1508 | int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg, |
20510f2f JM |
1509 | struct task_struct *target, long type, int mode) |
1510 | { | |
f25fce3e | 1511 | return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); |
20510f2f JM |
1512 | } |
1513 | ||
7191adff | 1514 | int security_shm_alloc(struct kern_ipc_perm *shp) |
20510f2f | 1515 | { |
f25fce3e | 1516 | return call_int_hook(shm_alloc_security, 0, shp); |
20510f2f JM |
1517 | } |
1518 | ||
7191adff | 1519 | void security_shm_free(struct kern_ipc_perm *shp) |
20510f2f | 1520 | { |
f25fce3e | 1521 | call_void_hook(shm_free_security, shp); |
20510f2f JM |
1522 | } |
1523 | ||
7191adff | 1524 | int security_shm_associate(struct kern_ipc_perm *shp, int shmflg) |
20510f2f | 1525 | { |
f25fce3e | 1526 | return call_int_hook(shm_associate, 0, shp, shmflg); |
20510f2f JM |
1527 | } |
1528 | ||
7191adff | 1529 | int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd) |
20510f2f | 1530 | { |
f25fce3e | 1531 | return call_int_hook(shm_shmctl, 0, shp, cmd); |
20510f2f JM |
1532 | } |
1533 | ||
7191adff | 1534 | int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg) |
20510f2f | 1535 | { |
f25fce3e | 1536 | return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); |
20510f2f JM |
1537 | } |
1538 | ||
aefad959 | 1539 | int security_sem_alloc(struct kern_ipc_perm *sma) |
20510f2f | 1540 | { |
f25fce3e | 1541 | return call_int_hook(sem_alloc_security, 0, sma); |
20510f2f JM |
1542 | } |
1543 | ||
aefad959 | 1544 | void security_sem_free(struct kern_ipc_perm *sma) |
20510f2f | 1545 | { |
f25fce3e | 1546 | call_void_hook(sem_free_security, sma); |
20510f2f JM |
1547 | } |
1548 | ||
aefad959 | 1549 | int security_sem_associate(struct kern_ipc_perm *sma, int semflg) |
20510f2f | 1550 | { |
f25fce3e | 1551 | return call_int_hook(sem_associate, 0, sma, semflg); |
20510f2f JM |
1552 | } |
1553 | ||
aefad959 | 1554 | int security_sem_semctl(struct kern_ipc_perm *sma, int cmd) |
20510f2f | 1555 | { |
f25fce3e | 1556 | return call_int_hook(sem_semctl, 0, sma, cmd); |
20510f2f JM |
1557 | } |
1558 | ||
aefad959 | 1559 | int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops, |
20510f2f JM |
1560 | unsigned nsops, int alter) |
1561 | { | |
f25fce3e | 1562 | return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); |
20510f2f JM |
1563 | } |
1564 | ||
1565 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1566 | { | |
1567 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1568 | return; | |
f25fce3e | 1569 | call_void_hook(d_instantiate, dentry, inode); |
20510f2f JM |
1570 | } |
1571 | EXPORT_SYMBOL(security_d_instantiate); | |
1572 | ||
6d9c939d CS |
1573 | int security_getprocattr(struct task_struct *p, const char *lsm, char *name, |
1574 | char **value) | |
20510f2f | 1575 | { |
6d9c939d CS |
1576 | struct security_hook_list *hp; |
1577 | ||
1578 | hlist_for_each_entry(hp, &security_hook_heads.getprocattr, list) { | |
1579 | if (lsm != NULL && strcmp(lsm, hp->lsm)) | |
1580 | continue; | |
1581 | return hp->hook.getprocattr(p, name, value); | |
1582 | } | |
1583 | return -EINVAL; | |
20510f2f JM |
1584 | } |
1585 | ||
6d9c939d CS |
1586 | int security_setprocattr(const char *lsm, const char *name, void *value, |
1587 | size_t size) | |
20510f2f | 1588 | { |
6d9c939d CS |
1589 | struct security_hook_list *hp; |
1590 | ||
1591 | hlist_for_each_entry(hp, &security_hook_heads.setprocattr, list) { | |
1592 | if (lsm != NULL && strcmp(lsm, hp->lsm)) | |
1593 | continue; | |
1594 | return hp->hook.setprocattr(name, value, size); | |
1595 | } | |
1596 | return -EINVAL; | |
20510f2f JM |
1597 | } |
1598 | ||
1599 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1600 | { | |
f25fce3e | 1601 | return call_int_hook(netlink_send, 0, sk, skb); |
20510f2f | 1602 | } |
20510f2f | 1603 | |
746df9b5 DQ |
1604 | int security_ismaclabel(const char *name) |
1605 | { | |
f25fce3e | 1606 | return call_int_hook(ismaclabel, 0, name); |
746df9b5 DQ |
1607 | } |
1608 | EXPORT_SYMBOL(security_ismaclabel); | |
1609 | ||
20510f2f JM |
1610 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1611 | { | |
b1d9e6b0 CS |
1612 | return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, |
1613 | seclen); | |
20510f2f JM |
1614 | } |
1615 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1616 | ||
7bf570dc | 1617 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 | 1618 | { |
b1d9e6b0 | 1619 | *secid = 0; |
f25fce3e | 1620 | return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); |
63cb3449 DH |
1621 | } |
1622 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1623 | ||
20510f2f JM |
1624 | void security_release_secctx(char *secdata, u32 seclen) |
1625 | { | |
f25fce3e | 1626 | call_void_hook(release_secctx, secdata, seclen); |
20510f2f JM |
1627 | } |
1628 | EXPORT_SYMBOL(security_release_secctx); | |
1629 | ||
6f3be9f5 AG |
1630 | void security_inode_invalidate_secctx(struct inode *inode) |
1631 | { | |
1632 | call_void_hook(inode_invalidate_secctx, inode); | |
1633 | } | |
1634 | EXPORT_SYMBOL(security_inode_invalidate_secctx); | |
1635 | ||
1ee65e37 DQ |
1636 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1637 | { | |
f25fce3e | 1638 | return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); |
1ee65e37 DQ |
1639 | } |
1640 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1641 | ||
1642 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1643 | { | |
f25fce3e | 1644 | return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); |
1ee65e37 DQ |
1645 | } |
1646 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1647 | ||
1648 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1649 | { | |
b1d9e6b0 | 1650 | return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); |
1ee65e37 DQ |
1651 | } |
1652 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1653 | ||
20510f2f JM |
1654 | #ifdef CONFIG_SECURITY_NETWORK |
1655 | ||
3610cda5 | 1656 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f | 1657 | { |
f25fce3e | 1658 | return call_int_hook(unix_stream_connect, 0, sock, other, newsk); |
20510f2f JM |
1659 | } |
1660 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1661 | ||
1662 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1663 | { | |
f25fce3e | 1664 | return call_int_hook(unix_may_send, 0, sock, other); |
20510f2f JM |
1665 | } |
1666 | EXPORT_SYMBOL(security_unix_may_send); | |
1667 | ||
1668 | int security_socket_create(int family, int type, int protocol, int kern) | |
1669 | { | |
f25fce3e | 1670 | return call_int_hook(socket_create, 0, family, type, protocol, kern); |
20510f2f JM |
1671 | } |
1672 | ||
1673 | int security_socket_post_create(struct socket *sock, int family, | |
1674 | int type, int protocol, int kern) | |
1675 | { | |
f25fce3e | 1676 | return call_int_hook(socket_post_create, 0, sock, family, type, |
20510f2f JM |
1677 | protocol, kern); |
1678 | } | |
1679 | ||
aae7cfcb DH |
1680 | int security_socket_socketpair(struct socket *socka, struct socket *sockb) |
1681 | { | |
1682 | return call_int_hook(socket_socketpair, 0, socka, sockb); | |
1683 | } | |
1684 | EXPORT_SYMBOL(security_socket_socketpair); | |
1685 | ||
20510f2f JM |
1686 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) |
1687 | { | |
f25fce3e | 1688 | return call_int_hook(socket_bind, 0, sock, address, addrlen); |
20510f2f JM |
1689 | } |
1690 | ||
1691 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1692 | { | |
f25fce3e | 1693 | return call_int_hook(socket_connect, 0, sock, address, addrlen); |
20510f2f JM |
1694 | } |
1695 | ||
1696 | int security_socket_listen(struct socket *sock, int backlog) | |
1697 | { | |
f25fce3e | 1698 | return call_int_hook(socket_listen, 0, sock, backlog); |
20510f2f JM |
1699 | } |
1700 | ||
1701 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1702 | { | |
f25fce3e | 1703 | return call_int_hook(socket_accept, 0, sock, newsock); |
20510f2f JM |
1704 | } |
1705 | ||
20510f2f JM |
1706 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1707 | { | |
f25fce3e | 1708 | return call_int_hook(socket_sendmsg, 0, sock, msg, size); |
20510f2f JM |
1709 | } |
1710 | ||
1711 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1712 | int size, int flags) | |
1713 | { | |
f25fce3e | 1714 | return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); |
20510f2f JM |
1715 | } |
1716 | ||
1717 | int security_socket_getsockname(struct socket *sock) | |
1718 | { | |
f25fce3e | 1719 | return call_int_hook(socket_getsockname, 0, sock); |
20510f2f JM |
1720 | } |
1721 | ||
1722 | int security_socket_getpeername(struct socket *sock) | |
1723 | { | |
f25fce3e | 1724 | return call_int_hook(socket_getpeername, 0, sock); |
20510f2f JM |
1725 | } |
1726 | ||
1727 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1728 | { | |
f25fce3e | 1729 | return call_int_hook(socket_getsockopt, 0, sock, level, optname); |
20510f2f JM |
1730 | } |
1731 | ||
1732 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1733 | { | |
f25fce3e | 1734 | return call_int_hook(socket_setsockopt, 0, sock, level, optname); |
20510f2f JM |
1735 | } |
1736 | ||
1737 | int security_socket_shutdown(struct socket *sock, int how) | |
1738 | { | |
f25fce3e | 1739 | return call_int_hook(socket_shutdown, 0, sock, how); |
20510f2f JM |
1740 | } |
1741 | ||
1742 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1743 | { | |
f25fce3e | 1744 | return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); |
20510f2f JM |
1745 | } |
1746 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1747 | ||
1748 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1749 | int __user *optlen, unsigned len) | |
1750 | { | |
b1d9e6b0 CS |
1751 | return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, |
1752 | optval, optlen, len); | |
20510f2f JM |
1753 | } |
1754 | ||
1755 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1756 | { | |
e308fd3b JB |
1757 | return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, |
1758 | skb, secid); | |
20510f2f JM |
1759 | } |
1760 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1761 | ||
1762 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1763 | { | |
f25fce3e | 1764 | return call_int_hook(sk_alloc_security, 0, sk, family, priority); |
20510f2f JM |
1765 | } |
1766 | ||
1767 | void security_sk_free(struct sock *sk) | |
1768 | { | |
f25fce3e | 1769 | call_void_hook(sk_free_security, sk); |
20510f2f JM |
1770 | } |
1771 | ||
1772 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1773 | { | |
f25fce3e | 1774 | call_void_hook(sk_clone_security, sk, newsk); |
20510f2f | 1775 | } |
6230c9b4 | 1776 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1777 | |
1778 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1779 | { | |
f25fce3e | 1780 | call_void_hook(sk_getsecid, sk, &fl->flowi_secid); |
20510f2f JM |
1781 | } |
1782 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1783 | ||
1784 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1785 | { | |
f25fce3e | 1786 | call_void_hook(req_classify_flow, req, fl); |
20510f2f JM |
1787 | } |
1788 | EXPORT_SYMBOL(security_req_classify_flow); | |
1789 | ||
1790 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1791 | { | |
f25fce3e | 1792 | call_void_hook(sock_graft, sk, parent); |
20510f2f JM |
1793 | } |
1794 | EXPORT_SYMBOL(security_sock_graft); | |
1795 | ||
1796 | int security_inet_conn_request(struct sock *sk, | |
1797 | struct sk_buff *skb, struct request_sock *req) | |
1798 | { | |
f25fce3e | 1799 | return call_int_hook(inet_conn_request, 0, sk, skb, req); |
20510f2f JM |
1800 | } |
1801 | EXPORT_SYMBOL(security_inet_conn_request); | |
1802 | ||
1803 | void security_inet_csk_clone(struct sock *newsk, | |
1804 | const struct request_sock *req) | |
1805 | { | |
f25fce3e | 1806 | call_void_hook(inet_csk_clone, newsk, req); |
20510f2f JM |
1807 | } |
1808 | ||
1809 | void security_inet_conn_established(struct sock *sk, | |
1810 | struct sk_buff *skb) | |
1811 | { | |
f25fce3e | 1812 | call_void_hook(inet_conn_established, sk, skb); |
20510f2f | 1813 | } |
72e89f50 | 1814 | EXPORT_SYMBOL(security_inet_conn_established); |
20510f2f | 1815 | |
2606fd1f EP |
1816 | int security_secmark_relabel_packet(u32 secid) |
1817 | { | |
f25fce3e | 1818 | return call_int_hook(secmark_relabel_packet, 0, secid); |
2606fd1f EP |
1819 | } |
1820 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1821 | ||
1822 | void security_secmark_refcount_inc(void) | |
1823 | { | |
f25fce3e | 1824 | call_void_hook(secmark_refcount_inc); |
2606fd1f EP |
1825 | } |
1826 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1827 | ||
1828 | void security_secmark_refcount_dec(void) | |
1829 | { | |
f25fce3e | 1830 | call_void_hook(secmark_refcount_dec); |
2606fd1f EP |
1831 | } |
1832 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1833 | ||
5dbbaf2d PM |
1834 | int security_tun_dev_alloc_security(void **security) |
1835 | { | |
f25fce3e | 1836 | return call_int_hook(tun_dev_alloc_security, 0, security); |
5dbbaf2d PM |
1837 | } |
1838 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1839 | ||
1840 | void security_tun_dev_free_security(void *security) | |
1841 | { | |
f25fce3e | 1842 | call_void_hook(tun_dev_free_security, security); |
5dbbaf2d PM |
1843 | } |
1844 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1845 | ||
2b980dbd PM |
1846 | int security_tun_dev_create(void) |
1847 | { | |
f25fce3e | 1848 | return call_int_hook(tun_dev_create, 0); |
2b980dbd PM |
1849 | } |
1850 | EXPORT_SYMBOL(security_tun_dev_create); | |
1851 | ||
5dbbaf2d | 1852 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1853 | { |
f25fce3e | 1854 | return call_int_hook(tun_dev_attach_queue, 0, security); |
2b980dbd | 1855 | } |
5dbbaf2d | 1856 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1857 | |
5dbbaf2d | 1858 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1859 | { |
f25fce3e | 1860 | return call_int_hook(tun_dev_attach, 0, sk, security); |
2b980dbd PM |
1861 | } |
1862 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1863 | ||
5dbbaf2d PM |
1864 | int security_tun_dev_open(void *security) |
1865 | { | |
f25fce3e | 1866 | return call_int_hook(tun_dev_open, 0, security); |
5dbbaf2d PM |
1867 | } |
1868 | EXPORT_SYMBOL(security_tun_dev_open); | |
1869 | ||
72e89f50 RH |
1870 | int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb) |
1871 | { | |
1872 | return call_int_hook(sctp_assoc_request, 0, ep, skb); | |
1873 | } | |
1874 | EXPORT_SYMBOL(security_sctp_assoc_request); | |
1875 | ||
1876 | int security_sctp_bind_connect(struct sock *sk, int optname, | |
1877 | struct sockaddr *address, int addrlen) | |
1878 | { | |
1879 | return call_int_hook(sctp_bind_connect, 0, sk, optname, | |
1880 | address, addrlen); | |
1881 | } | |
1882 | EXPORT_SYMBOL(security_sctp_bind_connect); | |
1883 | ||
1884 | void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk, | |
1885 | struct sock *newsk) | |
1886 | { | |
1887 | call_void_hook(sctp_sk_clone, ep, sk, newsk); | |
1888 | } | |
1889 | EXPORT_SYMBOL(security_sctp_sk_clone); | |
1890 | ||
20510f2f JM |
1891 | #endif /* CONFIG_SECURITY_NETWORK */ |
1892 | ||
d291f1a6 DJ |
1893 | #ifdef CONFIG_SECURITY_INFINIBAND |
1894 | ||
1895 | int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey) | |
1896 | { | |
1897 | return call_int_hook(ib_pkey_access, 0, sec, subnet_prefix, pkey); | |
1898 | } | |
1899 | EXPORT_SYMBOL(security_ib_pkey_access); | |
1900 | ||
47a2b338 DJ |
1901 | int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num) |
1902 | { | |
1903 | return call_int_hook(ib_endport_manage_subnet, 0, sec, dev_name, port_num); | |
1904 | } | |
1905 | EXPORT_SYMBOL(security_ib_endport_manage_subnet); | |
1906 | ||
d291f1a6 DJ |
1907 | int security_ib_alloc_security(void **sec) |
1908 | { | |
1909 | return call_int_hook(ib_alloc_security, 0, sec); | |
1910 | } | |
1911 | EXPORT_SYMBOL(security_ib_alloc_security); | |
1912 | ||
1913 | void security_ib_free_security(void *sec) | |
1914 | { | |
1915 | call_void_hook(ib_free_security, sec); | |
1916 | } | |
1917 | EXPORT_SYMBOL(security_ib_free_security); | |
1918 | #endif /* CONFIG_SECURITY_INFINIBAND */ | |
1919 | ||
20510f2f JM |
1920 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1921 | ||
52a4c640 NA |
1922 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1923 | struct xfrm_user_sec_ctx *sec_ctx, | |
1924 | gfp_t gfp) | |
20510f2f | 1925 | { |
f25fce3e | 1926 | return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); |
20510f2f JM |
1927 | } |
1928 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1929 | ||
03e1ad7b PM |
1930 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1931 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1932 | { |
f25fce3e | 1933 | return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); |
20510f2f JM |
1934 | } |
1935 | ||
03e1ad7b | 1936 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1937 | { |
f25fce3e | 1938 | call_void_hook(xfrm_policy_free_security, ctx); |
20510f2f JM |
1939 | } |
1940 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1941 | ||
03e1ad7b | 1942 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1943 | { |
f25fce3e | 1944 | return call_int_hook(xfrm_policy_delete_security, 0, ctx); |
20510f2f JM |
1945 | } |
1946 | ||
2e5aa866 PM |
1947 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1948 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1949 | { |
f25fce3e | 1950 | return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); |
20510f2f JM |
1951 | } |
1952 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1953 | ||
1954 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1955 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1956 | { | |
f25fce3e | 1957 | return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); |
20510f2f JM |
1958 | } |
1959 | ||
1960 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1961 | { | |
f25fce3e | 1962 | return call_int_hook(xfrm_state_delete_security, 0, x); |
20510f2f JM |
1963 | } |
1964 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1965 | ||
1966 | void security_xfrm_state_free(struct xfrm_state *x) | |
1967 | { | |
f25fce3e | 1968 | call_void_hook(xfrm_state_free_security, x); |
20510f2f JM |
1969 | } |
1970 | ||
03e1ad7b | 1971 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1972 | { |
f25fce3e | 1973 | return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); |
20510f2f JM |
1974 | } |
1975 | ||
1976 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1977 | struct xfrm_policy *xp, |
1978 | const struct flowi *fl) | |
20510f2f | 1979 | { |
b1d9e6b0 CS |
1980 | struct security_hook_list *hp; |
1981 | int rc = 1; | |
1982 | ||
1983 | /* | |
1984 | * Since this function is expected to return 0 or 1, the judgment | |
1985 | * becomes difficult if multiple LSMs supply this call. Fortunately, | |
1986 | * we can use the first LSM's judgment because currently only SELinux | |
1987 | * supplies this call. | |
1988 | * | |
1989 | * For speed optimization, we explicitly break the loop rather than | |
1990 | * using the macro | |
1991 | */ | |
df0ce173 | 1992 | hlist_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, |
b1d9e6b0 CS |
1993 | list) { |
1994 | rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); | |
1995 | break; | |
1996 | } | |
1997 | return rc; | |
20510f2f JM |
1998 | } |
1999 | ||
2000 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
2001 | { | |
f25fce3e | 2002 | return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); |
20510f2f JM |
2003 | } |
2004 | ||
2005 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
2006 | { | |
f25fce3e CS |
2007 | int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, |
2008 | 0); | |
20510f2f JM |
2009 | |
2010 | BUG_ON(rc); | |
2011 | } | |
2012 | EXPORT_SYMBOL(security_skb_classify_flow); | |
2013 | ||
2014 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
2015 | ||
2016 | #ifdef CONFIG_KEYS | |
2017 | ||
d84f4f99 DH |
2018 | int security_key_alloc(struct key *key, const struct cred *cred, |
2019 | unsigned long flags) | |
20510f2f | 2020 | { |
f25fce3e | 2021 | return call_int_hook(key_alloc, 0, key, cred, flags); |
20510f2f JM |
2022 | } |
2023 | ||
2024 | void security_key_free(struct key *key) | |
2025 | { | |
f25fce3e | 2026 | call_void_hook(key_free, key); |
20510f2f JM |
2027 | } |
2028 | ||
2029 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 2030 | const struct cred *cred, unsigned perm) |
20510f2f | 2031 | { |
f25fce3e | 2032 | return call_int_hook(key_permission, 0, key_ref, cred, perm); |
20510f2f JM |
2033 | } |
2034 | ||
70a5bb72 DH |
2035 | int security_key_getsecurity(struct key *key, char **_buffer) |
2036 | { | |
b1d9e6b0 | 2037 | *_buffer = NULL; |
f25fce3e | 2038 | return call_int_hook(key_getsecurity, 0, key, _buffer); |
70a5bb72 DH |
2039 | } |
2040 | ||
20510f2f | 2041 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
2042 | |
2043 | #ifdef CONFIG_AUDIT | |
2044 | ||
2045 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
2046 | { | |
f25fce3e | 2047 | return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); |
03d37d25 AD |
2048 | } |
2049 | ||
2050 | int security_audit_rule_known(struct audit_krule *krule) | |
2051 | { | |
f25fce3e | 2052 | return call_int_hook(audit_rule_known, 0, krule); |
03d37d25 AD |
2053 | } |
2054 | ||
2055 | void security_audit_rule_free(void *lsmrule) | |
2056 | { | |
f25fce3e | 2057 | call_void_hook(audit_rule_free, lsmrule); |
03d37d25 AD |
2058 | } |
2059 | ||
2060 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
2061 | struct audit_context *actx) | |
2062 | { | |
f25fce3e CS |
2063 | return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, |
2064 | actx); | |
03d37d25 | 2065 | } |
b1d9e6b0 | 2066 | #endif /* CONFIG_AUDIT */ |
afdb09c7 CF |
2067 | |
2068 | #ifdef CONFIG_BPF_SYSCALL | |
2069 | int security_bpf(int cmd, union bpf_attr *attr, unsigned int size) | |
2070 | { | |
2071 | return call_int_hook(bpf, 0, cmd, attr, size); | |
2072 | } | |
2073 | int security_bpf_map(struct bpf_map *map, fmode_t fmode) | |
2074 | { | |
2075 | return call_int_hook(bpf_map, 0, map, fmode); | |
2076 | } | |
2077 | int security_bpf_prog(struct bpf_prog *prog) | |
2078 | { | |
2079 | return call_int_hook(bpf_prog, 0, prog); | |
2080 | } | |
2081 | int security_bpf_map_alloc(struct bpf_map *map) | |
2082 | { | |
2083 | return call_int_hook(bpf_map_alloc_security, 0, map); | |
2084 | } | |
2085 | int security_bpf_prog_alloc(struct bpf_prog_aux *aux) | |
2086 | { | |
2087 | return call_int_hook(bpf_prog_alloc_security, 0, aux); | |
2088 | } | |
2089 | void security_bpf_map_free(struct bpf_map *map) | |
2090 | { | |
2091 | call_void_hook(bpf_map_free_security, map); | |
2092 | } | |
2093 | void security_bpf_prog_free(struct bpf_prog_aux *aux) | |
2094 | { | |
2095 | call_void_hook(bpf_prog_free_security, aux); | |
2096 | } | |
2097 | #endif /* CONFIG_BPF_SYSCALL */ |