]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Security plug functions | |
3 | * | |
4 | * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com> | |
5 | * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com> | |
6 | * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com> | |
d291f1a6 | 7 | * Copyright (C) 2016 Mellanox Technologies |
1da177e4 LT |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | */ | |
14 | ||
9b8c7c14 KC |
15 | #define pr_fmt(fmt) "LSM: " fmt |
16 | ||
afdb09c7 | 17 | #include <linux/bpf.h> |
c59ede7b | 18 | #include <linux/capability.h> |
d47be3df | 19 | #include <linux/dcache.h> |
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; |
076c54c5 | 44 | /* Boot-time LSM user choice */ |
79f7865d | 45 | static __initdata const char *chosen_lsm_order; |
5ef4e419 | 46 | static __initdata const char *chosen_major_lsm; |
1da177e4 | 47 | |
13e735c0 KC |
48 | static __initconst const char * const builtin_lsm_order = CONFIG_LSM; |
49 | ||
2d4d5119 KC |
50 | /* Ordered list of LSMs to initialize. */ |
51 | static __initdata struct lsm_info **ordered_lsms; | |
14bd99c8 | 52 | static __initdata struct lsm_info *exclusive; |
2d4d5119 | 53 | |
9b8c7c14 KC |
54 | static __initdata bool debug; |
55 | #define init_debug(...) \ | |
56 | do { \ | |
57 | if (debug) \ | |
58 | pr_info(__VA_ARGS__); \ | |
59 | } while (0) | |
60 | ||
f4941d75 KC |
61 | static bool __init is_enabled(struct lsm_info *lsm) |
62 | { | |
a8027fb0 KC |
63 | if (!lsm->enabled) |
64 | return false; | |
f4941d75 | 65 | |
a8027fb0 | 66 | return *lsm->enabled; |
f4941d75 KC |
67 | } |
68 | ||
69 | /* Mark an LSM's enabled flag. */ | |
70 | static int lsm_enabled_true __initdata = 1; | |
71 | static int lsm_enabled_false __initdata = 0; | |
72 | static void __init set_enabled(struct lsm_info *lsm, bool enabled) | |
73 | { | |
74 | /* | |
75 | * When an LSM hasn't configured an enable variable, we can use | |
76 | * a hard-coded location for storing the default enabled state. | |
77 | */ | |
78 | if (!lsm->enabled) { | |
79 | if (enabled) | |
80 | lsm->enabled = &lsm_enabled_true; | |
81 | else | |
82 | lsm->enabled = &lsm_enabled_false; | |
83 | } else if (lsm->enabled == &lsm_enabled_true) { | |
84 | if (!enabled) | |
85 | lsm->enabled = &lsm_enabled_false; | |
86 | } else if (lsm->enabled == &lsm_enabled_false) { | |
87 | if (enabled) | |
88 | lsm->enabled = &lsm_enabled_true; | |
89 | } else { | |
90 | *lsm->enabled = enabled; | |
91 | } | |
92 | } | |
93 | ||
2d4d5119 KC |
94 | /* Is an LSM already listed in the ordered LSMs list? */ |
95 | static bool __init exists_ordered_lsm(struct lsm_info *lsm) | |
96 | { | |
97 | struct lsm_info **check; | |
98 | ||
99 | for (check = ordered_lsms; *check; check++) | |
100 | if (*check == lsm) | |
101 | return true; | |
102 | ||
103 | return false; | |
104 | } | |
105 | ||
106 | /* Append an LSM to the list of ordered LSMs to initialize. */ | |
107 | static int last_lsm __initdata; | |
108 | static void __init append_ordered_lsm(struct lsm_info *lsm, const char *from) | |
109 | { | |
110 | /* Ignore duplicate selections. */ | |
111 | if (exists_ordered_lsm(lsm)) | |
112 | return; | |
113 | ||
114 | if (WARN(last_lsm == LSM_COUNT, "%s: out of LSM slots!?\n", from)) | |
115 | return; | |
116 | ||
a8027fb0 KC |
117 | /* Enable this LSM, if it is not already set. */ |
118 | if (!lsm->enabled) | |
119 | lsm->enabled = &lsm_enabled_true; | |
2d4d5119 | 120 | ordered_lsms[last_lsm++] = lsm; |
a8027fb0 | 121 | |
2d4d5119 KC |
122 | init_debug("%s ordering: %s (%sabled)\n", from, lsm->name, |
123 | is_enabled(lsm) ? "en" : "dis"); | |
124 | } | |
125 | ||
f4941d75 KC |
126 | /* Is an LSM allowed to be initialized? */ |
127 | static bool __init lsm_allowed(struct lsm_info *lsm) | |
128 | { | |
129 | /* Skip if the LSM is disabled. */ | |
130 | if (!is_enabled(lsm)) | |
131 | return false; | |
132 | ||
14bd99c8 KC |
133 | /* Not allowed if another exclusive LSM already initialized. */ |
134 | if ((lsm->flags & LSM_FLAG_EXCLUSIVE) && exclusive) { | |
135 | init_debug("exclusive disabled: %s\n", lsm->name); | |
136 | return false; | |
137 | } | |
138 | ||
f4941d75 KC |
139 | return true; |
140 | } | |
141 | ||
d8e9bbd4 KC |
142 | /* Prepare LSM for initialization. */ |
143 | static void __init prepare_lsm(struct lsm_info *lsm) | |
f4941d75 KC |
144 | { |
145 | int enabled = lsm_allowed(lsm); | |
146 | ||
147 | /* Record enablement (to handle any following exclusive LSMs). */ | |
148 | set_enabled(lsm, enabled); | |
149 | ||
d8e9bbd4 | 150 | /* If enabled, do pre-initialization work. */ |
f4941d75 | 151 | if (enabled) { |
14bd99c8 KC |
152 | if ((lsm->flags & LSM_FLAG_EXCLUSIVE) && !exclusive) { |
153 | exclusive = lsm; | |
154 | init_debug("exclusive chosen: %s\n", lsm->name); | |
155 | } | |
d8e9bbd4 KC |
156 | } |
157 | } | |
158 | ||
159 | /* Initialize a given LSM, if it is enabled. */ | |
160 | static void __init initialize_lsm(struct lsm_info *lsm) | |
161 | { | |
162 | if (is_enabled(lsm)) { | |
163 | int ret; | |
14bd99c8 | 164 | |
f4941d75 KC |
165 | init_debug("initializing %s\n", lsm->name); |
166 | ret = lsm->init(); | |
167 | WARN(ret, "%s failed to initialize: %d\n", lsm->name, ret); | |
168 | } | |
169 | } | |
170 | ||
13e735c0 | 171 | /* Populate ordered LSMs list from comma-separated LSM name list. */ |
2d4d5119 | 172 | static void __init ordered_lsm_parse(const char *order, const char *origin) |
657d910b KC |
173 | { |
174 | struct lsm_info *lsm; | |
13e735c0 KC |
175 | char *sep, *name, *next; |
176 | ||
7e611486 | 177 | /* Process "security=", if given. */ |
7e611486 KC |
178 | if (chosen_major_lsm) { |
179 | struct lsm_info *major; | |
180 | ||
181 | /* | |
182 | * To match the original "security=" behavior, this | |
183 | * explicitly does NOT fallback to another Legacy Major | |
184 | * if the selected one was separately disabled: disable | |
185 | * all non-matching Legacy Major LSMs. | |
186 | */ | |
187 | for (major = __start_lsm_info; major < __end_lsm_info; | |
188 | major++) { | |
189 | if ((major->flags & LSM_FLAG_LEGACY_MAJOR) && | |
190 | strcmp(major->name, chosen_major_lsm) != 0) { | |
191 | set_enabled(major, false); | |
192 | init_debug("security=%s disabled: %s\n", | |
193 | chosen_major_lsm, major->name); | |
194 | } | |
195 | } | |
196 | } | |
5ef4e419 | 197 | |
13e735c0 KC |
198 | sep = kstrdup(order, GFP_KERNEL); |
199 | next = sep; | |
200 | /* Walk the list, looking for matching LSMs. */ | |
201 | while ((name = strsep(&next, ",")) != NULL) { | |
202 | bool found = false; | |
203 | ||
204 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
c91d8106 | 205 | if (strcmp(lsm->name, name) == 0) { |
13e735c0 KC |
206 | append_ordered_lsm(lsm, origin); |
207 | found = true; | |
208 | } | |
209 | } | |
210 | ||
211 | if (!found) | |
212 | init_debug("%s ignored: %s\n", origin, name); | |
657d910b | 213 | } |
c91d8106 CS |
214 | |
215 | /* Process "security=", if given. */ | |
216 | if (chosen_major_lsm) { | |
217 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
218 | if (exists_ordered_lsm(lsm)) | |
219 | continue; | |
220 | if (strcmp(lsm->name, chosen_major_lsm) == 0) | |
221 | append_ordered_lsm(lsm, "security="); | |
222 | } | |
223 | } | |
224 | ||
225 | /* Disable all LSMs not in the ordered list. */ | |
226 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
227 | if (exists_ordered_lsm(lsm)) | |
228 | continue; | |
229 | set_enabled(lsm, false); | |
230 | init_debug("%s disabled: %s\n", origin, lsm->name); | |
231 | } | |
232 | ||
13e735c0 | 233 | kfree(sep); |
657d910b KC |
234 | } |
235 | ||
2d4d5119 KC |
236 | static void __init ordered_lsm_init(void) |
237 | { | |
238 | struct lsm_info **lsm; | |
239 | ||
240 | ordered_lsms = kcalloc(LSM_COUNT + 1, sizeof(*ordered_lsms), | |
241 | GFP_KERNEL); | |
242 | ||
79f7865d KC |
243 | if (chosen_lsm_order) |
244 | ordered_lsm_parse(chosen_lsm_order, "cmdline"); | |
245 | else | |
246 | ordered_lsm_parse(builtin_lsm_order, "builtin"); | |
2d4d5119 KC |
247 | |
248 | for (lsm = ordered_lsms; *lsm; lsm++) | |
d8e9bbd4 KC |
249 | prepare_lsm(*lsm); |
250 | ||
251 | for (lsm = ordered_lsms; *lsm; lsm++) | |
252 | initialize_lsm(*lsm); | |
2d4d5119 KC |
253 | |
254 | kfree(ordered_lsms); | |
255 | } | |
256 | ||
1da177e4 LT |
257 | /** |
258 | * security_init - initializes the security framework | |
259 | * | |
260 | * This should be called early in the kernel initialization sequence. | |
261 | */ | |
262 | int __init security_init(void) | |
263 | { | |
3dfc9b02 | 264 | int i; |
df0ce173 | 265 | struct hlist_head *list = (struct hlist_head *) &security_hook_heads; |
3dfc9b02 | 266 | |
98d29170 KC |
267 | pr_info("Security Framework initializing\n"); |
268 | ||
df0ce173 | 269 | for (i = 0; i < sizeof(security_hook_heads) / sizeof(struct hlist_head); |
3dfc9b02 | 270 | i++) |
df0ce173 | 271 | INIT_HLIST_HEAD(&list[i]); |
1da177e4 | 272 | |
b1d9e6b0 | 273 | /* |
730daa16 | 274 | * Load minor LSMs, with the capability module always first. |
b1d9e6b0 CS |
275 | */ |
276 | capability_add_hooks(); | |
730daa16 | 277 | |
657d910b KC |
278 | /* Load LSMs in specified order. */ |
279 | ordered_lsm_init(); | |
280 | ||
1da177e4 LT |
281 | return 0; |
282 | } | |
283 | ||
076c54c5 | 284 | /* Save user chosen LSM */ |
5ef4e419 | 285 | static int __init choose_major_lsm(char *str) |
076c54c5 | 286 | { |
5ef4e419 | 287 | chosen_major_lsm = str; |
076c54c5 AD |
288 | return 1; |
289 | } | |
5ef4e419 | 290 | __setup("security=", choose_major_lsm); |
076c54c5 | 291 | |
79f7865d KC |
292 | /* Explicitly choose LSM initialization order. */ |
293 | static int __init choose_lsm_order(char *str) | |
294 | { | |
295 | chosen_lsm_order = str; | |
296 | return 1; | |
297 | } | |
298 | __setup("lsm=", choose_lsm_order); | |
299 | ||
9b8c7c14 KC |
300 | /* Enable LSM order debugging. */ |
301 | static int __init enable_debug(char *str) | |
302 | { | |
303 | debug = true; | |
304 | return 1; | |
305 | } | |
306 | __setup("lsm.debug", enable_debug); | |
307 | ||
3bb857e4 MS |
308 | static bool match_last_lsm(const char *list, const char *lsm) |
309 | { | |
310 | const char *last; | |
311 | ||
312 | if (WARN_ON(!list || !lsm)) | |
313 | return false; | |
314 | last = strrchr(list, ','); | |
315 | if (last) | |
316 | /* Pass the comma, strcmp() will check for '\0' */ | |
317 | last++; | |
318 | else | |
319 | last = list; | |
320 | return !strcmp(last, lsm); | |
321 | } | |
322 | ||
d69dece5 CS |
323 | static int lsm_append(char *new, char **result) |
324 | { | |
325 | char *cp; | |
326 | ||
327 | if (*result == NULL) { | |
328 | *result = kstrdup(new, GFP_KERNEL); | |
87ea5843 EB |
329 | if (*result == NULL) |
330 | return -ENOMEM; | |
d69dece5 | 331 | } else { |
3bb857e4 MS |
332 | /* Check if it is the last registered name */ |
333 | if (match_last_lsm(*result, new)) | |
334 | return 0; | |
d69dece5 CS |
335 | cp = kasprintf(GFP_KERNEL, "%s,%s", *result, new); |
336 | if (cp == NULL) | |
337 | return -ENOMEM; | |
338 | kfree(*result); | |
339 | *result = cp; | |
340 | } | |
341 | return 0; | |
342 | } | |
343 | ||
d69dece5 CS |
344 | /** |
345 | * security_add_hooks - Add a modules hooks to the hook lists. | |
346 | * @hooks: the hooks to add | |
347 | * @count: the number of hooks to add | |
348 | * @lsm: the name of the security module | |
349 | * | |
350 | * Each LSM has to register its hooks with the infrastructure. | |
351 | */ | |
352 | void __init security_add_hooks(struct security_hook_list *hooks, int count, | |
353 | char *lsm) | |
354 | { | |
355 | int i; | |
356 | ||
357 | for (i = 0; i < count; i++) { | |
358 | hooks[i].lsm = lsm; | |
df0ce173 | 359 | hlist_add_tail_rcu(&hooks[i].list, hooks[i].head); |
d69dece5 CS |
360 | } |
361 | if (lsm_append(lsm, &lsm_names) < 0) | |
362 | panic("%s - Cannot get early memory.\n", __func__); | |
363 | } | |
364 | ||
8f408ab6 DJ |
365 | int call_lsm_notifier(enum lsm_event event, void *data) |
366 | { | |
367 | return atomic_notifier_call_chain(&lsm_notifier_chain, event, data); | |
368 | } | |
369 | EXPORT_SYMBOL(call_lsm_notifier); | |
370 | ||
371 | int register_lsm_notifier(struct notifier_block *nb) | |
372 | { | |
373 | return atomic_notifier_chain_register(&lsm_notifier_chain, nb); | |
374 | } | |
375 | EXPORT_SYMBOL(register_lsm_notifier); | |
376 | ||
377 | int unregister_lsm_notifier(struct notifier_block *nb) | |
378 | { | |
379 | return atomic_notifier_chain_unregister(&lsm_notifier_chain, nb); | |
380 | } | |
381 | EXPORT_SYMBOL(unregister_lsm_notifier); | |
382 | ||
f25fce3e | 383 | /* |
b1d9e6b0 | 384 | * Hook list operation macros. |
1da177e4 | 385 | * |
f25fce3e CS |
386 | * call_void_hook: |
387 | * This is a hook that does not return a value. | |
1da177e4 | 388 | * |
f25fce3e CS |
389 | * call_int_hook: |
390 | * This is a hook that returns a value. | |
1da177e4 | 391 | */ |
1da177e4 | 392 | |
b1d9e6b0 CS |
393 | #define call_void_hook(FUNC, ...) \ |
394 | do { \ | |
395 | struct security_hook_list *P; \ | |
396 | \ | |
df0ce173 | 397 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) \ |
b1d9e6b0 CS |
398 | P->hook.FUNC(__VA_ARGS__); \ |
399 | } while (0) | |
400 | ||
401 | #define call_int_hook(FUNC, IRC, ...) ({ \ | |
402 | int RC = IRC; \ | |
403 | do { \ | |
404 | struct security_hook_list *P; \ | |
405 | \ | |
df0ce173 | 406 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) { \ |
b1d9e6b0 CS |
407 | RC = P->hook.FUNC(__VA_ARGS__); \ |
408 | if (RC != 0) \ | |
409 | break; \ | |
410 | } \ | |
411 | } while (0); \ | |
412 | RC; \ | |
413 | }) | |
1da177e4 | 414 | |
20510f2f JM |
415 | /* Security operations */ |
416 | ||
79af7307 SS |
417 | int security_binder_set_context_mgr(struct task_struct *mgr) |
418 | { | |
f25fce3e | 419 | return call_int_hook(binder_set_context_mgr, 0, mgr); |
79af7307 SS |
420 | } |
421 | ||
422 | int security_binder_transaction(struct task_struct *from, | |
423 | struct task_struct *to) | |
424 | { | |
f25fce3e | 425 | return call_int_hook(binder_transaction, 0, from, to); |
79af7307 SS |
426 | } |
427 | ||
428 | int security_binder_transfer_binder(struct task_struct *from, | |
429 | struct task_struct *to) | |
430 | { | |
f25fce3e | 431 | return call_int_hook(binder_transfer_binder, 0, from, to); |
79af7307 SS |
432 | } |
433 | ||
434 | int security_binder_transfer_file(struct task_struct *from, | |
435 | struct task_struct *to, struct file *file) | |
436 | { | |
f25fce3e | 437 | return call_int_hook(binder_transfer_file, 0, from, to, file); |
79af7307 SS |
438 | } |
439 | ||
9e48858f | 440 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 441 | { |
f25fce3e | 442 | return call_int_hook(ptrace_access_check, 0, child, mode); |
5cd9c58f DH |
443 | } |
444 | ||
445 | int security_ptrace_traceme(struct task_struct *parent) | |
446 | { | |
f25fce3e | 447 | return call_int_hook(ptrace_traceme, 0, parent); |
20510f2f JM |
448 | } |
449 | ||
450 | int security_capget(struct task_struct *target, | |
451 | kernel_cap_t *effective, | |
452 | kernel_cap_t *inheritable, | |
453 | kernel_cap_t *permitted) | |
454 | { | |
f25fce3e CS |
455 | return call_int_hook(capget, 0, target, |
456 | effective, inheritable, permitted); | |
20510f2f JM |
457 | } |
458 | ||
d84f4f99 DH |
459 | int security_capset(struct cred *new, const struct cred *old, |
460 | const kernel_cap_t *effective, | |
461 | const kernel_cap_t *inheritable, | |
462 | const kernel_cap_t *permitted) | |
20510f2f | 463 | { |
f25fce3e CS |
464 | return call_int_hook(capset, 0, new, old, |
465 | effective, inheritable, permitted); | |
20510f2f JM |
466 | } |
467 | ||
b7e724d3 | 468 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 469 | int cap) |
20510f2f | 470 | { |
f25fce3e | 471 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
472 | } |
473 | ||
c7eba4a9 EP |
474 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
475 | int cap) | |
06112163 | 476 | { |
f25fce3e | 477 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
478 | } |
479 | ||
20510f2f JM |
480 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
481 | { | |
f25fce3e | 482 | return call_int_hook(quotactl, 0, cmds, type, id, sb); |
20510f2f JM |
483 | } |
484 | ||
485 | int security_quota_on(struct dentry *dentry) | |
486 | { | |
f25fce3e | 487 | return call_int_hook(quota_on, 0, dentry); |
20510f2f JM |
488 | } |
489 | ||
12b3052c | 490 | int security_syslog(int type) |
20510f2f | 491 | { |
f25fce3e | 492 | return call_int_hook(syslog, 0, type); |
20510f2f JM |
493 | } |
494 | ||
457db29b | 495 | int security_settime64(const struct timespec64 *ts, const struct timezone *tz) |
20510f2f | 496 | { |
f25fce3e | 497 | return call_int_hook(settime, 0, ts, tz); |
20510f2f JM |
498 | } |
499 | ||
20510f2f JM |
500 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
501 | { | |
b1d9e6b0 CS |
502 | struct security_hook_list *hp; |
503 | int cap_sys_admin = 1; | |
504 | int rc; | |
505 | ||
506 | /* | |
507 | * The module will respond with a positive value if | |
508 | * it thinks the __vm_enough_memory() call should be | |
509 | * made with the cap_sys_admin set. If all of the modules | |
510 | * agree that it should be set it will. If any module | |
511 | * thinks it should not be set it won't. | |
512 | */ | |
df0ce173 | 513 | hlist_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) { |
b1d9e6b0 CS |
514 | rc = hp->hook.vm_enough_memory(mm, pages); |
515 | if (rc <= 0) { | |
516 | cap_sys_admin = 0; | |
517 | break; | |
518 | } | |
519 | } | |
520 | return __vm_enough_memory(mm, pages, cap_sys_admin); | |
20510f2f JM |
521 | } |
522 | ||
a6f76f23 | 523 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 524 | { |
f25fce3e | 525 | return call_int_hook(bprm_set_creds, 0, bprm); |
20510f2f JM |
526 | } |
527 | ||
a6f76f23 | 528 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 529 | { |
6c21a7fb MZ |
530 | int ret; |
531 | ||
f25fce3e | 532 | ret = call_int_hook(bprm_check_security, 0, bprm); |
6c21a7fb MZ |
533 | if (ret) |
534 | return ret; | |
535 | return ima_bprm_check(bprm); | |
20510f2f JM |
536 | } |
537 | ||
a6f76f23 | 538 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 539 | { |
f25fce3e | 540 | call_void_hook(bprm_committing_creds, bprm); |
20510f2f JM |
541 | } |
542 | ||
a6f76f23 | 543 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 544 | { |
f25fce3e | 545 | call_void_hook(bprm_committed_creds, bprm); |
20510f2f JM |
546 | } |
547 | ||
20510f2f JM |
548 | int security_sb_alloc(struct super_block *sb) |
549 | { | |
f25fce3e | 550 | return call_int_hook(sb_alloc_security, 0, sb); |
20510f2f JM |
551 | } |
552 | ||
553 | void security_sb_free(struct super_block *sb) | |
554 | { | |
f25fce3e | 555 | call_void_hook(sb_free_security, sb); |
20510f2f JM |
556 | } |
557 | ||
204cc0cc | 558 | void security_free_mnt_opts(void **mnt_opts) |
20510f2f | 559 | { |
204cc0cc AV |
560 | if (!*mnt_opts) |
561 | return; | |
562 | call_void_hook(sb_free_mnt_opts, *mnt_opts); | |
563 | *mnt_opts = NULL; | |
20510f2f | 564 | } |
204cc0cc | 565 | EXPORT_SYMBOL(security_free_mnt_opts); |
20510f2f | 566 | |
204cc0cc | 567 | int security_sb_eat_lsm_opts(char *options, void **mnt_opts) |
ff36fe2c | 568 | { |
204cc0cc | 569 | return call_int_hook(sb_eat_lsm_opts, 0, options, mnt_opts); |
ff36fe2c | 570 | } |
f5c0c26d | 571 | EXPORT_SYMBOL(security_sb_eat_lsm_opts); |
ff36fe2c | 572 | |
c039bc3c | 573 | int security_sb_remount(struct super_block *sb, |
204cc0cc | 574 | void *mnt_opts) |
20510f2f | 575 | { |
204cc0cc | 576 | return call_int_hook(sb_remount, 0, sb, mnt_opts); |
ff36fe2c | 577 | } |
a65001e8 | 578 | EXPORT_SYMBOL(security_sb_remount); |
ff36fe2c | 579 | |
a10d7c22 | 580 | int security_sb_kern_mount(struct super_block *sb) |
20510f2f | 581 | { |
a10d7c22 | 582 | return call_int_hook(sb_kern_mount, 0, sb); |
20510f2f JM |
583 | } |
584 | ||
2069f457 EP |
585 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
586 | { | |
f25fce3e | 587 | return call_int_hook(sb_show_options, 0, m, sb); |
2069f457 EP |
588 | } |
589 | ||
20510f2f JM |
590 | int security_sb_statfs(struct dentry *dentry) |
591 | { | |
f25fce3e | 592 | return call_int_hook(sb_statfs, 0, dentry); |
20510f2f JM |
593 | } |
594 | ||
8a04c43b | 595 | int security_sb_mount(const char *dev_name, const struct path *path, |
808d4e3c | 596 | const char *type, unsigned long flags, void *data) |
20510f2f | 597 | { |
f25fce3e | 598 | return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data); |
20510f2f JM |
599 | } |
600 | ||
20510f2f JM |
601 | int security_sb_umount(struct vfsmount *mnt, int flags) |
602 | { | |
f25fce3e | 603 | return call_int_hook(sb_umount, 0, mnt, flags); |
20510f2f JM |
604 | } |
605 | ||
3b73b68c | 606 | int security_sb_pivotroot(const struct path *old_path, const struct path *new_path) |
20510f2f | 607 | { |
f25fce3e | 608 | return call_int_hook(sb_pivotroot, 0, old_path, new_path); |
20510f2f JM |
609 | } |
610 | ||
c9180a57 | 611 | int security_sb_set_mnt_opts(struct super_block *sb, |
204cc0cc | 612 | void *mnt_opts, |
649f6e77 DQ |
613 | unsigned long kern_flags, |
614 | unsigned long *set_kern_flags) | |
c9180a57 | 615 | { |
b1d9e6b0 | 616 | return call_int_hook(sb_set_mnt_opts, |
204cc0cc AV |
617 | mnt_opts ? -EOPNOTSUPP : 0, sb, |
618 | mnt_opts, kern_flags, set_kern_flags); | |
c9180a57 | 619 | } |
e0007529 | 620 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 621 | |
094f7b69 | 622 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
0b4d3452 SM |
623 | struct super_block *newsb, |
624 | unsigned long kern_flags, | |
625 | unsigned long *set_kern_flags) | |
c9180a57 | 626 | { |
0b4d3452 SM |
627 | return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb, |
628 | kern_flags, set_kern_flags); | |
c9180a57 | 629 | } |
e0007529 EP |
630 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
631 | ||
757cbe59 AV |
632 | int security_add_mnt_opt(const char *option, const char *val, int len, |
633 | void **mnt_opts) | |
e0007529 | 634 | { |
757cbe59 AV |
635 | return call_int_hook(sb_add_mnt_opt, -EINVAL, |
636 | option, val, len, mnt_opts); | |
e0007529 | 637 | } |
757cbe59 | 638 | EXPORT_SYMBOL(security_add_mnt_opt); |
c9180a57 | 639 | |
20510f2f JM |
640 | int security_inode_alloc(struct inode *inode) |
641 | { | |
642 | inode->i_security = NULL; | |
f25fce3e | 643 | return call_int_hook(inode_alloc_security, 0, inode); |
20510f2f JM |
644 | } |
645 | ||
646 | void security_inode_free(struct inode *inode) | |
647 | { | |
f381c272 | 648 | integrity_inode_free(inode); |
f25fce3e | 649 | call_void_hook(inode_free_security, inode); |
20510f2f JM |
650 | } |
651 | ||
d47be3df | 652 | int security_dentry_init_security(struct dentry *dentry, int mode, |
4f3ccd76 | 653 | const struct qstr *name, void **ctx, |
d47be3df DQ |
654 | u32 *ctxlen) |
655 | { | |
b1d9e6b0 CS |
656 | return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode, |
657 | name, ctx, ctxlen); | |
d47be3df DQ |
658 | } |
659 | EXPORT_SYMBOL(security_dentry_init_security); | |
660 | ||
2602625b VG |
661 | int security_dentry_create_files_as(struct dentry *dentry, int mode, |
662 | struct qstr *name, | |
663 | const struct cred *old, struct cred *new) | |
664 | { | |
665 | return call_int_hook(dentry_create_files_as, 0, dentry, mode, | |
666 | name, old, new); | |
667 | } | |
668 | EXPORT_SYMBOL(security_dentry_create_files_as); | |
669 | ||
20510f2f | 670 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
671 | const struct qstr *qstr, |
672 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 673 | { |
823eb1cc MZ |
674 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
675 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
676 | int ret; |
677 | ||
20510f2f | 678 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 679 | return 0; |
9d8f13ba | 680 | |
9d8f13ba | 681 | if (!initxattrs) |
e308fd3b JB |
682 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, |
683 | dir, qstr, NULL, NULL, NULL); | |
9548906b | 684 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
9d8f13ba | 685 | lsm_xattr = new_xattrs; |
b1d9e6b0 | 686 | ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, |
9d8f13ba MZ |
687 | &lsm_xattr->name, |
688 | &lsm_xattr->value, | |
689 | &lsm_xattr->value_len); | |
690 | if (ret) | |
691 | goto out; | |
823eb1cc MZ |
692 | |
693 | evm_xattr = lsm_xattr + 1; | |
694 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
695 | if (ret) | |
696 | goto out; | |
9d8f13ba MZ |
697 | ret = initxattrs(inode, new_xattrs, fs_data); |
698 | out: | |
9548906b | 699 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
823eb1cc | 700 | kfree(xattr->value); |
9d8f13ba MZ |
701 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
702 | } | |
703 | EXPORT_SYMBOL(security_inode_init_security); | |
704 | ||
705 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 706 | const struct qstr *qstr, const char **name, |
9d8f13ba | 707 | void **value, size_t *len) |
20510f2f JM |
708 | { |
709 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 710 | return -EOPNOTSUPP; |
e308fd3b JB |
711 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, |
712 | qstr, name, value, len); | |
20510f2f | 713 | } |
9d8f13ba | 714 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 715 | |
be6d3e56 | 716 | #ifdef CONFIG_SECURITY_PATH |
d3607752 | 717 | int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
718 | unsigned int dev) |
719 | { | |
c6f493d6 | 720 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 721 | return 0; |
f25fce3e | 722 | return call_int_hook(path_mknod, 0, dir, dentry, mode, dev); |
be6d3e56 KT |
723 | } |
724 | EXPORT_SYMBOL(security_path_mknod); | |
725 | ||
d3607752 | 726 | int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 727 | { |
c6f493d6 | 728 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 729 | return 0; |
f25fce3e | 730 | return call_int_hook(path_mkdir, 0, dir, dentry, mode); |
be6d3e56 | 731 | } |
82140443 | 732 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 733 | |
989f74e0 | 734 | int security_path_rmdir(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 735 | { |
c6f493d6 | 736 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 737 | return 0; |
f25fce3e | 738 | return call_int_hook(path_rmdir, 0, dir, dentry); |
be6d3e56 KT |
739 | } |
740 | ||
989f74e0 | 741 | int security_path_unlink(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 742 | { |
c6f493d6 | 743 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 744 | return 0; |
f25fce3e | 745 | return call_int_hook(path_unlink, 0, dir, dentry); |
be6d3e56 | 746 | } |
82140443 | 747 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 748 | |
d3607752 | 749 | int security_path_symlink(const struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
750 | const char *old_name) |
751 | { | |
c6f493d6 | 752 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 753 | return 0; |
f25fce3e | 754 | return call_int_hook(path_symlink, 0, dir, dentry, old_name); |
be6d3e56 KT |
755 | } |
756 | ||
3ccee46a | 757 | int security_path_link(struct dentry *old_dentry, const struct path *new_dir, |
be6d3e56 KT |
758 | struct dentry *new_dentry) |
759 | { | |
c6f493d6 | 760 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
be6d3e56 | 761 | return 0; |
f25fce3e | 762 | return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry); |
be6d3e56 KT |
763 | } |
764 | ||
3ccee46a AV |
765 | int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, |
766 | const struct path *new_dir, struct dentry *new_dentry, | |
0b3974eb | 767 | unsigned int flags) |
be6d3e56 | 768 | { |
c6f493d6 DH |
769 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
770 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
be6d3e56 | 771 | return 0; |
da1ce067 MS |
772 | |
773 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e CS |
774 | int err = call_int_hook(path_rename, 0, new_dir, new_dentry, |
775 | old_dir, old_dentry); | |
da1ce067 MS |
776 | if (err) |
777 | return err; | |
778 | } | |
779 | ||
f25fce3e CS |
780 | return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, |
781 | new_dentry); | |
be6d3e56 | 782 | } |
82140443 | 783 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 784 | |
81f4c506 | 785 | int security_path_truncate(const struct path *path) |
be6d3e56 | 786 | { |
c6f493d6 | 787 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
be6d3e56 | 788 | return 0; |
f25fce3e | 789 | return call_int_hook(path_truncate, 0, path); |
be6d3e56 | 790 | } |
89eda068 | 791 | |
be01f9f2 | 792 | int security_path_chmod(const struct path *path, umode_t mode) |
89eda068 | 793 | { |
c6f493d6 | 794 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 795 | return 0; |
f25fce3e | 796 | return call_int_hook(path_chmod, 0, path, mode); |
89eda068 TH |
797 | } |
798 | ||
7fd25dac | 799 | int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
89eda068 | 800 | { |
c6f493d6 | 801 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 802 | return 0; |
f25fce3e | 803 | return call_int_hook(path_chown, 0, path, uid, gid); |
89eda068 | 804 | } |
8b8efb44 | 805 | |
77b286c0 | 806 | int security_path_chroot(const struct path *path) |
8b8efb44 | 807 | { |
f25fce3e | 808 | return call_int_hook(path_chroot, 0, path); |
8b8efb44 | 809 | } |
be6d3e56 KT |
810 | #endif |
811 | ||
4acdaf27 | 812 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
813 | { |
814 | if (unlikely(IS_PRIVATE(dir))) | |
815 | return 0; | |
f25fce3e | 816 | return call_int_hook(inode_create, 0, dir, dentry, mode); |
20510f2f | 817 | } |
800a9647 | 818 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
819 | |
820 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
821 | struct dentry *new_dentry) | |
822 | { | |
c6f493d6 | 823 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
20510f2f | 824 | return 0; |
f25fce3e | 825 | return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry); |
20510f2f JM |
826 | } |
827 | ||
828 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
829 | { | |
c6f493d6 | 830 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 831 | return 0; |
f25fce3e | 832 | return call_int_hook(inode_unlink, 0, dir, dentry); |
20510f2f JM |
833 | } |
834 | ||
835 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
836 | const char *old_name) | |
837 | { | |
838 | if (unlikely(IS_PRIVATE(dir))) | |
839 | return 0; | |
f25fce3e | 840 | return call_int_hook(inode_symlink, 0, dir, dentry, old_name); |
20510f2f JM |
841 | } |
842 | ||
18bb1db3 | 843 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
844 | { |
845 | if (unlikely(IS_PRIVATE(dir))) | |
846 | return 0; | |
f25fce3e | 847 | return call_int_hook(inode_mkdir, 0, dir, dentry, mode); |
20510f2f | 848 | } |
800a9647 | 849 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
850 | |
851 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
852 | { | |
c6f493d6 | 853 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 854 | return 0; |
f25fce3e | 855 | return call_int_hook(inode_rmdir, 0, dir, dentry); |
20510f2f JM |
856 | } |
857 | ||
1a67aafb | 858 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
859 | { |
860 | if (unlikely(IS_PRIVATE(dir))) | |
861 | return 0; | |
f25fce3e | 862 | return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev); |
20510f2f JM |
863 | } |
864 | ||
865 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
866 | struct inode *new_dir, struct dentry *new_dentry, |
867 | unsigned int flags) | |
20510f2f | 868 | { |
c6f493d6 DH |
869 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
870 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
20510f2f | 871 | return 0; |
da1ce067 MS |
872 | |
873 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e | 874 | int err = call_int_hook(inode_rename, 0, new_dir, new_dentry, |
da1ce067 MS |
875 | old_dir, old_dentry); |
876 | if (err) | |
877 | return err; | |
878 | } | |
879 | ||
f25fce3e | 880 | return call_int_hook(inode_rename, 0, old_dir, old_dentry, |
20510f2f JM |
881 | new_dir, new_dentry); |
882 | } | |
883 | ||
884 | int security_inode_readlink(struct dentry *dentry) | |
885 | { | |
c6f493d6 | 886 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 887 | return 0; |
f25fce3e | 888 | return call_int_hook(inode_readlink, 0, dentry); |
20510f2f JM |
889 | } |
890 | ||
bda0be7a N |
891 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
892 | bool rcu) | |
20510f2f | 893 | { |
bda0be7a | 894 | if (unlikely(IS_PRIVATE(inode))) |
20510f2f | 895 | return 0; |
e22619a2 | 896 | return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); |
20510f2f JM |
897 | } |
898 | ||
b77b0646 | 899 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
900 | { |
901 | if (unlikely(IS_PRIVATE(inode))) | |
902 | return 0; | |
f25fce3e | 903 | return call_int_hook(inode_permission, 0, inode, mask); |
20510f2f JM |
904 | } |
905 | ||
906 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
907 | { | |
817b54aa MZ |
908 | int ret; |
909 | ||
c6f493d6 | 910 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 911 | return 0; |
f25fce3e | 912 | ret = call_int_hook(inode_setattr, 0, dentry, attr); |
817b54aa MZ |
913 | if (ret) |
914 | return ret; | |
915 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 916 | } |
b1da47e2 | 917 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 918 | |
3f7036a0 | 919 | int security_inode_getattr(const struct path *path) |
20510f2f | 920 | { |
c6f493d6 | 921 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 922 | return 0; |
f25fce3e | 923 | return call_int_hook(inode_getattr, 0, path); |
20510f2f JM |
924 | } |
925 | ||
8f0cfa52 DH |
926 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
927 | const void *value, size_t size, int flags) | |
20510f2f | 928 | { |
3e1be52d MZ |
929 | int ret; |
930 | ||
c6f493d6 | 931 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 932 | return 0; |
b1d9e6b0 CS |
933 | /* |
934 | * SELinux and Smack integrate the cap call, | |
935 | * so assume that all LSMs supplying this call do so. | |
936 | */ | |
937 | ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, | |
f25fce3e | 938 | flags); |
b1d9e6b0 CS |
939 | |
940 | if (ret == 1) | |
941 | ret = cap_inode_setxattr(dentry, name, value, size, flags); | |
42c63330 MZ |
942 | if (ret) |
943 | return ret; | |
944 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
945 | if (ret) |
946 | return ret; | |
947 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
948 | } |
949 | ||
8f0cfa52 DH |
950 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
951 | const void *value, size_t size, int flags) | |
20510f2f | 952 | { |
c6f493d6 | 953 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 954 | return; |
f25fce3e | 955 | call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); |
3e1be52d | 956 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
957 | } |
958 | ||
8f0cfa52 | 959 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 960 | { |
c6f493d6 | 961 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 962 | return 0; |
f25fce3e | 963 | return call_int_hook(inode_getxattr, 0, dentry, name); |
20510f2f JM |
964 | } |
965 | ||
966 | int security_inode_listxattr(struct dentry *dentry) | |
967 | { | |
c6f493d6 | 968 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 969 | return 0; |
f25fce3e | 970 | return call_int_hook(inode_listxattr, 0, dentry); |
20510f2f JM |
971 | } |
972 | ||
8f0cfa52 | 973 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 974 | { |
3e1be52d MZ |
975 | int ret; |
976 | ||
c6f493d6 | 977 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 978 | return 0; |
b1d9e6b0 CS |
979 | /* |
980 | * SELinux and Smack integrate the cap call, | |
981 | * so assume that all LSMs supplying this call do so. | |
982 | */ | |
983 | ret = call_int_hook(inode_removexattr, 1, dentry, name); | |
984 | if (ret == 1) | |
985 | ret = cap_inode_removexattr(dentry, name); | |
42c63330 MZ |
986 | if (ret) |
987 | return ret; | |
988 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
989 | if (ret) |
990 | return ret; | |
991 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
992 | } |
993 | ||
b5376771 SH |
994 | int security_inode_need_killpriv(struct dentry *dentry) |
995 | { | |
f25fce3e | 996 | return call_int_hook(inode_need_killpriv, 0, dentry); |
b5376771 SH |
997 | } |
998 | ||
999 | int security_inode_killpriv(struct dentry *dentry) | |
1000 | { | |
f25fce3e | 1001 | return call_int_hook(inode_killpriv, 0, dentry); |
b5376771 SH |
1002 | } |
1003 | ||
ea861dfd | 1004 | int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f | 1005 | { |
2885c1e3 CS |
1006 | struct security_hook_list *hp; |
1007 | int rc; | |
1008 | ||
20510f2f | 1009 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 1010 | return -EOPNOTSUPP; |
2885c1e3 CS |
1011 | /* |
1012 | * Only one module will provide an attribute with a given name. | |
1013 | */ | |
df0ce173 | 1014 | hlist_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { |
2885c1e3 CS |
1015 | rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); |
1016 | if (rc != -EOPNOTSUPP) | |
1017 | return rc; | |
1018 | } | |
1019 | return -EOPNOTSUPP; | |
20510f2f JM |
1020 | } |
1021 | ||
1022 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
1023 | { | |
2885c1e3 CS |
1024 | struct security_hook_list *hp; |
1025 | int rc; | |
1026 | ||
20510f2f | 1027 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 1028 | return -EOPNOTSUPP; |
2885c1e3 CS |
1029 | /* |
1030 | * Only one module will provide an attribute with a given name. | |
1031 | */ | |
df0ce173 | 1032 | hlist_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { |
2885c1e3 CS |
1033 | rc = hp->hook.inode_setsecurity(inode, name, value, size, |
1034 | flags); | |
1035 | if (rc != -EOPNOTSUPP) | |
1036 | return rc; | |
1037 | } | |
1038 | return -EOPNOTSUPP; | |
20510f2f JM |
1039 | } |
1040 | ||
1041 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
1042 | { | |
1043 | if (unlikely(IS_PRIVATE(inode))) | |
1044 | return 0; | |
f25fce3e | 1045 | return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); |
20510f2f | 1046 | } |
c9bccef6 | 1047 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 1048 | |
d6335d77 | 1049 | void security_inode_getsecid(struct inode *inode, u32 *secid) |
8a076191 | 1050 | { |
f25fce3e | 1051 | call_void_hook(inode_getsecid, inode, secid); |
8a076191 AD |
1052 | } |
1053 | ||
d8ad8b49 VG |
1054 | int security_inode_copy_up(struct dentry *src, struct cred **new) |
1055 | { | |
1056 | return call_int_hook(inode_copy_up, 0, src, new); | |
1057 | } | |
1058 | EXPORT_SYMBOL(security_inode_copy_up); | |
1059 | ||
121ab822 VG |
1060 | int security_inode_copy_up_xattr(const char *name) |
1061 | { | |
1062 | return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); | |
1063 | } | |
1064 | EXPORT_SYMBOL(security_inode_copy_up_xattr); | |
1065 | ||
20510f2f JM |
1066 | int security_file_permission(struct file *file, int mask) |
1067 | { | |
c4ec54b4 EP |
1068 | int ret; |
1069 | ||
f25fce3e | 1070 | ret = call_int_hook(file_permission, 0, file, mask); |
c4ec54b4 EP |
1071 | if (ret) |
1072 | return ret; | |
1073 | ||
1074 | return fsnotify_perm(file, mask); | |
20510f2f JM |
1075 | } |
1076 | ||
1077 | int security_file_alloc(struct file *file) | |
1078 | { | |
f25fce3e | 1079 | return call_int_hook(file_alloc_security, 0, file); |
20510f2f JM |
1080 | } |
1081 | ||
1082 | void security_file_free(struct file *file) | |
1083 | { | |
f25fce3e | 1084 | call_void_hook(file_free_security, file); |
20510f2f JM |
1085 | } |
1086 | ||
1087 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
1088 | { | |
f25fce3e | 1089 | return call_int_hook(file_ioctl, 0, file, cmd, arg); |
20510f2f JM |
1090 | } |
1091 | ||
98de59bf | 1092 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 1093 | { |
8b3ec681 | 1094 | /* |
98de59bf AV |
1095 | * Does we have PROT_READ and does the application expect |
1096 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 1097 | */ |
98de59bf AV |
1098 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
1099 | return prot; | |
8b3ec681 | 1100 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
1101 | return prot; |
1102 | /* | |
1103 | * if that's an anonymous mapping, let it. | |
1104 | */ | |
1105 | if (!file) | |
1106 | return prot | PROT_EXEC; | |
1107 | /* | |
1108 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 1109 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf | 1110 | */ |
90f8572b | 1111 | if (!path_noexec(&file->f_path)) { |
8b3ec681 | 1112 | #ifndef CONFIG_MMU |
b4caecd4 CH |
1113 | if (file->f_op->mmap_capabilities) { |
1114 | unsigned caps = file->f_op->mmap_capabilities(file); | |
1115 | if (!(caps & NOMMU_MAP_EXEC)) | |
1116 | return prot; | |
1117 | } | |
8b3ec681 | 1118 | #endif |
98de59bf | 1119 | return prot | PROT_EXEC; |
8b3ec681 | 1120 | } |
98de59bf AV |
1121 | /* anything on noexec mount won't get PROT_EXEC */ |
1122 | return prot; | |
1123 | } | |
1124 | ||
1125 | int security_mmap_file(struct file *file, unsigned long prot, | |
1126 | unsigned long flags) | |
1127 | { | |
1128 | int ret; | |
f25fce3e | 1129 | ret = call_int_hook(mmap_file, 0, file, prot, |
98de59bf | 1130 | mmap_prot(file, prot), flags); |
6c21a7fb MZ |
1131 | if (ret) |
1132 | return ret; | |
1133 | return ima_file_mmap(file, prot); | |
20510f2f JM |
1134 | } |
1135 | ||
e5467859 AV |
1136 | int security_mmap_addr(unsigned long addr) |
1137 | { | |
f25fce3e | 1138 | return call_int_hook(mmap_addr, 0, addr); |
e5467859 AV |
1139 | } |
1140 | ||
20510f2f JM |
1141 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
1142 | unsigned long prot) | |
1143 | { | |
f25fce3e | 1144 | return call_int_hook(file_mprotect, 0, vma, reqprot, prot); |
20510f2f JM |
1145 | } |
1146 | ||
1147 | int security_file_lock(struct file *file, unsigned int cmd) | |
1148 | { | |
f25fce3e | 1149 | return call_int_hook(file_lock, 0, file, cmd); |
20510f2f JM |
1150 | } |
1151 | ||
1152 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
1153 | { | |
f25fce3e | 1154 | return call_int_hook(file_fcntl, 0, file, cmd, arg); |
20510f2f JM |
1155 | } |
1156 | ||
e0b93edd | 1157 | void security_file_set_fowner(struct file *file) |
20510f2f | 1158 | { |
f25fce3e | 1159 | call_void_hook(file_set_fowner, file); |
20510f2f JM |
1160 | } |
1161 | ||
1162 | int security_file_send_sigiotask(struct task_struct *tsk, | |
1163 | struct fown_struct *fown, int sig) | |
1164 | { | |
f25fce3e | 1165 | return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); |
20510f2f JM |
1166 | } |
1167 | ||
1168 | int security_file_receive(struct file *file) | |
1169 | { | |
f25fce3e | 1170 | return call_int_hook(file_receive, 0, file); |
20510f2f JM |
1171 | } |
1172 | ||
e3f20ae2 | 1173 | int security_file_open(struct file *file) |
20510f2f | 1174 | { |
c4ec54b4 EP |
1175 | int ret; |
1176 | ||
94817692 | 1177 | ret = call_int_hook(file_open, 0, file); |
c4ec54b4 EP |
1178 | if (ret) |
1179 | return ret; | |
1180 | ||
1181 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
1182 | } |
1183 | ||
e4e55b47 TH |
1184 | int security_task_alloc(struct task_struct *task, unsigned long clone_flags) |
1185 | { | |
1186 | return call_int_hook(task_alloc, 0, task, clone_flags); | |
1187 | } | |
1188 | ||
1a2a4d06 KC |
1189 | void security_task_free(struct task_struct *task) |
1190 | { | |
f25fce3e | 1191 | call_void_hook(task_free, task); |
1a2a4d06 KC |
1192 | } |
1193 | ||
ee18d64c DH |
1194 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
1195 | { | |
f25fce3e | 1196 | return call_int_hook(cred_alloc_blank, 0, cred, gfp); |
ee18d64c DH |
1197 | } |
1198 | ||
d84f4f99 | 1199 | void security_cred_free(struct cred *cred) |
20510f2f | 1200 | { |
f25fce3e | 1201 | call_void_hook(cred_free, cred); |
20510f2f JM |
1202 | } |
1203 | ||
d84f4f99 | 1204 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 1205 | { |
f25fce3e | 1206 | return call_int_hook(cred_prepare, 0, new, old, gfp); |
d84f4f99 DH |
1207 | } |
1208 | ||
ee18d64c DH |
1209 | void security_transfer_creds(struct cred *new, const struct cred *old) |
1210 | { | |
f25fce3e | 1211 | call_void_hook(cred_transfer, new, old); |
ee18d64c DH |
1212 | } |
1213 | ||
3ec30113 MG |
1214 | void security_cred_getsecid(const struct cred *c, u32 *secid) |
1215 | { | |
1216 | *secid = 0; | |
1217 | call_void_hook(cred_getsecid, c, secid); | |
1218 | } | |
1219 | EXPORT_SYMBOL(security_cred_getsecid); | |
1220 | ||
3a3b7ce9 DH |
1221 | int security_kernel_act_as(struct cred *new, u32 secid) |
1222 | { | |
f25fce3e | 1223 | return call_int_hook(kernel_act_as, 0, new, secid); |
3a3b7ce9 DH |
1224 | } |
1225 | ||
1226 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
1227 | { | |
f25fce3e | 1228 | return call_int_hook(kernel_create_files_as, 0, new, inode); |
3a3b7ce9 DH |
1229 | } |
1230 | ||
dd8dbf2e | 1231 | int security_kernel_module_request(char *kmod_name) |
9188499c | 1232 | { |
6eb864c1 MK |
1233 | int ret; |
1234 | ||
1235 | ret = call_int_hook(kernel_module_request, 0, kmod_name); | |
1236 | if (ret) | |
1237 | return ret; | |
1238 | return integrity_kernel_module_request(kmod_name); | |
9188499c EP |
1239 | } |
1240 | ||
39eeb4fb MZ |
1241 | int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) |
1242 | { | |
1243 | int ret; | |
1244 | ||
1245 | ret = call_int_hook(kernel_read_file, 0, file, id); | |
1246 | if (ret) | |
1247 | return ret; | |
1248 | return ima_read_file(file, id); | |
1249 | } | |
1250 | EXPORT_SYMBOL_GPL(security_kernel_read_file); | |
1251 | ||
bc8ca5b9 MZ |
1252 | int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, |
1253 | enum kernel_read_file_id id) | |
b44a7dfc | 1254 | { |
cf222217 MZ |
1255 | int ret; |
1256 | ||
1257 | ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); | |
1258 | if (ret) | |
1259 | return ret; | |
1260 | return ima_post_read_file(file, buf, size, id); | |
b44a7dfc MZ |
1261 | } |
1262 | EXPORT_SYMBOL_GPL(security_kernel_post_read_file); | |
1263 | ||
377179cd MZ |
1264 | int security_kernel_load_data(enum kernel_load_data_id id) |
1265 | { | |
16c267aa MZ |
1266 | int ret; |
1267 | ||
1268 | ret = call_int_hook(kernel_load_data, 0, id); | |
1269 | if (ret) | |
1270 | return ret; | |
1271 | return ima_load_data(id); | |
377179cd | 1272 | } |
83a68a06 | 1273 | EXPORT_SYMBOL_GPL(security_kernel_load_data); |
377179cd | 1274 | |
d84f4f99 DH |
1275 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
1276 | int flags) | |
20510f2f | 1277 | { |
f25fce3e | 1278 | return call_int_hook(task_fix_setuid, 0, new, old, flags); |
20510f2f JM |
1279 | } |
1280 | ||
20510f2f JM |
1281 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
1282 | { | |
f25fce3e | 1283 | return call_int_hook(task_setpgid, 0, p, pgid); |
20510f2f JM |
1284 | } |
1285 | ||
1286 | int security_task_getpgid(struct task_struct *p) | |
1287 | { | |
f25fce3e | 1288 | return call_int_hook(task_getpgid, 0, p); |
20510f2f JM |
1289 | } |
1290 | ||
1291 | int security_task_getsid(struct task_struct *p) | |
1292 | { | |
f25fce3e | 1293 | return call_int_hook(task_getsid, 0, p); |
20510f2f JM |
1294 | } |
1295 | ||
1296 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
1297 | { | |
b1d9e6b0 | 1298 | *secid = 0; |
f25fce3e | 1299 | call_void_hook(task_getsecid, p, secid); |
20510f2f JM |
1300 | } |
1301 | EXPORT_SYMBOL(security_task_getsecid); | |
1302 | ||
20510f2f JM |
1303 | int security_task_setnice(struct task_struct *p, int nice) |
1304 | { | |
f25fce3e | 1305 | return call_int_hook(task_setnice, 0, p, nice); |
20510f2f JM |
1306 | } |
1307 | ||
1308 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
1309 | { | |
f25fce3e | 1310 | return call_int_hook(task_setioprio, 0, p, ioprio); |
20510f2f JM |
1311 | } |
1312 | ||
1313 | int security_task_getioprio(struct task_struct *p) | |
1314 | { | |
f25fce3e | 1315 | return call_int_hook(task_getioprio, 0, p); |
20510f2f JM |
1316 | } |
1317 | ||
791ec491 SS |
1318 | int security_task_prlimit(const struct cred *cred, const struct cred *tcred, |
1319 | unsigned int flags) | |
1320 | { | |
1321 | return call_int_hook(task_prlimit, 0, cred, tcred, flags); | |
1322 | } | |
1323 | ||
8fd00b4d JS |
1324 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
1325 | struct rlimit *new_rlim) | |
20510f2f | 1326 | { |
f25fce3e | 1327 | return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); |
20510f2f JM |
1328 | } |
1329 | ||
b0ae1981 | 1330 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 1331 | { |
f25fce3e | 1332 | return call_int_hook(task_setscheduler, 0, p); |
20510f2f JM |
1333 | } |
1334 | ||
1335 | int security_task_getscheduler(struct task_struct *p) | |
1336 | { | |
f25fce3e | 1337 | return call_int_hook(task_getscheduler, 0, p); |
20510f2f JM |
1338 | } |
1339 | ||
1340 | int security_task_movememory(struct task_struct *p) | |
1341 | { | |
f25fce3e | 1342 | return call_int_hook(task_movememory, 0, p); |
20510f2f JM |
1343 | } |
1344 | ||
ae7795bc | 1345 | int security_task_kill(struct task_struct *p, struct kernel_siginfo *info, |
6b4f3d01 | 1346 | int sig, const struct cred *cred) |
20510f2f | 1347 | { |
6b4f3d01 | 1348 | return call_int_hook(task_kill, 0, p, info, sig, cred); |
20510f2f JM |
1349 | } |
1350 | ||
20510f2f | 1351 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
d84f4f99 | 1352 | unsigned long arg4, unsigned long arg5) |
20510f2f | 1353 | { |
b1d9e6b0 CS |
1354 | int thisrc; |
1355 | int rc = -ENOSYS; | |
1356 | struct security_hook_list *hp; | |
1357 | ||
df0ce173 | 1358 | hlist_for_each_entry(hp, &security_hook_heads.task_prctl, list) { |
b1d9e6b0 CS |
1359 | thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); |
1360 | if (thisrc != -ENOSYS) { | |
1361 | rc = thisrc; | |
1362 | if (thisrc != 0) | |
1363 | break; | |
1364 | } | |
1365 | } | |
1366 | return rc; | |
20510f2f JM |
1367 | } |
1368 | ||
1369 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
1370 | { | |
f25fce3e | 1371 | call_void_hook(task_to_inode, p, inode); |
20510f2f JM |
1372 | } |
1373 | ||
1374 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
1375 | { | |
f25fce3e | 1376 | return call_int_hook(ipc_permission, 0, ipcp, flag); |
20510f2f JM |
1377 | } |
1378 | ||
8a076191 AD |
1379 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
1380 | { | |
b1d9e6b0 | 1381 | *secid = 0; |
f25fce3e | 1382 | call_void_hook(ipc_getsecid, ipcp, secid); |
8a076191 AD |
1383 | } |
1384 | ||
20510f2f JM |
1385 | int security_msg_msg_alloc(struct msg_msg *msg) |
1386 | { | |
f25fce3e | 1387 | return call_int_hook(msg_msg_alloc_security, 0, msg); |
20510f2f JM |
1388 | } |
1389 | ||
1390 | void security_msg_msg_free(struct msg_msg *msg) | |
1391 | { | |
f25fce3e | 1392 | call_void_hook(msg_msg_free_security, msg); |
20510f2f JM |
1393 | } |
1394 | ||
d8c6e854 | 1395 | int security_msg_queue_alloc(struct kern_ipc_perm *msq) |
20510f2f | 1396 | { |
f25fce3e | 1397 | return call_int_hook(msg_queue_alloc_security, 0, msq); |
20510f2f JM |
1398 | } |
1399 | ||
d8c6e854 | 1400 | void security_msg_queue_free(struct kern_ipc_perm *msq) |
20510f2f | 1401 | { |
f25fce3e | 1402 | call_void_hook(msg_queue_free_security, msq); |
20510f2f JM |
1403 | } |
1404 | ||
d8c6e854 | 1405 | int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg) |
20510f2f | 1406 | { |
f25fce3e | 1407 | return call_int_hook(msg_queue_associate, 0, msq, msqflg); |
20510f2f JM |
1408 | } |
1409 | ||
d8c6e854 | 1410 | int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd) |
20510f2f | 1411 | { |
f25fce3e | 1412 | return call_int_hook(msg_queue_msgctl, 0, msq, cmd); |
20510f2f JM |
1413 | } |
1414 | ||
d8c6e854 | 1415 | int security_msg_queue_msgsnd(struct kern_ipc_perm *msq, |
20510f2f JM |
1416 | struct msg_msg *msg, int msqflg) |
1417 | { | |
f25fce3e | 1418 | return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); |
20510f2f JM |
1419 | } |
1420 | ||
d8c6e854 | 1421 | int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg, |
20510f2f JM |
1422 | struct task_struct *target, long type, int mode) |
1423 | { | |
f25fce3e | 1424 | return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); |
20510f2f JM |
1425 | } |
1426 | ||
7191adff | 1427 | int security_shm_alloc(struct kern_ipc_perm *shp) |
20510f2f | 1428 | { |
f25fce3e | 1429 | return call_int_hook(shm_alloc_security, 0, shp); |
20510f2f JM |
1430 | } |
1431 | ||
7191adff | 1432 | void security_shm_free(struct kern_ipc_perm *shp) |
20510f2f | 1433 | { |
f25fce3e | 1434 | call_void_hook(shm_free_security, shp); |
20510f2f JM |
1435 | } |
1436 | ||
7191adff | 1437 | int security_shm_associate(struct kern_ipc_perm *shp, int shmflg) |
20510f2f | 1438 | { |
f25fce3e | 1439 | return call_int_hook(shm_associate, 0, shp, shmflg); |
20510f2f JM |
1440 | } |
1441 | ||
7191adff | 1442 | int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd) |
20510f2f | 1443 | { |
f25fce3e | 1444 | return call_int_hook(shm_shmctl, 0, shp, cmd); |
20510f2f JM |
1445 | } |
1446 | ||
7191adff | 1447 | int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg) |
20510f2f | 1448 | { |
f25fce3e | 1449 | return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); |
20510f2f JM |
1450 | } |
1451 | ||
aefad959 | 1452 | int security_sem_alloc(struct kern_ipc_perm *sma) |
20510f2f | 1453 | { |
f25fce3e | 1454 | return call_int_hook(sem_alloc_security, 0, sma); |
20510f2f JM |
1455 | } |
1456 | ||
aefad959 | 1457 | void security_sem_free(struct kern_ipc_perm *sma) |
20510f2f | 1458 | { |
f25fce3e | 1459 | call_void_hook(sem_free_security, sma); |
20510f2f JM |
1460 | } |
1461 | ||
aefad959 | 1462 | int security_sem_associate(struct kern_ipc_perm *sma, int semflg) |
20510f2f | 1463 | { |
f25fce3e | 1464 | return call_int_hook(sem_associate, 0, sma, semflg); |
20510f2f JM |
1465 | } |
1466 | ||
aefad959 | 1467 | int security_sem_semctl(struct kern_ipc_perm *sma, int cmd) |
20510f2f | 1468 | { |
f25fce3e | 1469 | return call_int_hook(sem_semctl, 0, sma, cmd); |
20510f2f JM |
1470 | } |
1471 | ||
aefad959 | 1472 | int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops, |
20510f2f JM |
1473 | unsigned nsops, int alter) |
1474 | { | |
f25fce3e | 1475 | return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); |
20510f2f JM |
1476 | } |
1477 | ||
1478 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1479 | { | |
1480 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1481 | return; | |
f25fce3e | 1482 | call_void_hook(d_instantiate, dentry, inode); |
20510f2f JM |
1483 | } |
1484 | EXPORT_SYMBOL(security_d_instantiate); | |
1485 | ||
1486 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1487 | { | |
b1d9e6b0 | 1488 | return call_int_hook(getprocattr, -EINVAL, p, name, value); |
20510f2f JM |
1489 | } |
1490 | ||
b21507e2 | 1491 | int security_setprocattr(const char *name, void *value, size_t size) |
20510f2f | 1492 | { |
b21507e2 | 1493 | return call_int_hook(setprocattr, -EINVAL, name, value, size); |
20510f2f JM |
1494 | } |
1495 | ||
1496 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1497 | { | |
f25fce3e | 1498 | return call_int_hook(netlink_send, 0, sk, skb); |
20510f2f | 1499 | } |
20510f2f | 1500 | |
746df9b5 DQ |
1501 | int security_ismaclabel(const char *name) |
1502 | { | |
f25fce3e | 1503 | return call_int_hook(ismaclabel, 0, name); |
746df9b5 DQ |
1504 | } |
1505 | EXPORT_SYMBOL(security_ismaclabel); | |
1506 | ||
20510f2f JM |
1507 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1508 | { | |
b1d9e6b0 CS |
1509 | return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, |
1510 | seclen); | |
20510f2f JM |
1511 | } |
1512 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1513 | ||
7bf570dc | 1514 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 | 1515 | { |
b1d9e6b0 | 1516 | *secid = 0; |
f25fce3e | 1517 | return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); |
63cb3449 DH |
1518 | } |
1519 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1520 | ||
20510f2f JM |
1521 | void security_release_secctx(char *secdata, u32 seclen) |
1522 | { | |
f25fce3e | 1523 | call_void_hook(release_secctx, secdata, seclen); |
20510f2f JM |
1524 | } |
1525 | EXPORT_SYMBOL(security_release_secctx); | |
1526 | ||
6f3be9f5 AG |
1527 | void security_inode_invalidate_secctx(struct inode *inode) |
1528 | { | |
1529 | call_void_hook(inode_invalidate_secctx, inode); | |
1530 | } | |
1531 | EXPORT_SYMBOL(security_inode_invalidate_secctx); | |
1532 | ||
1ee65e37 DQ |
1533 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1534 | { | |
f25fce3e | 1535 | return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); |
1ee65e37 DQ |
1536 | } |
1537 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1538 | ||
1539 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1540 | { | |
f25fce3e | 1541 | return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); |
1ee65e37 DQ |
1542 | } |
1543 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1544 | ||
1545 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1546 | { | |
b1d9e6b0 | 1547 | return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); |
1ee65e37 DQ |
1548 | } |
1549 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1550 | ||
20510f2f JM |
1551 | #ifdef CONFIG_SECURITY_NETWORK |
1552 | ||
3610cda5 | 1553 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f | 1554 | { |
f25fce3e | 1555 | return call_int_hook(unix_stream_connect, 0, sock, other, newsk); |
20510f2f JM |
1556 | } |
1557 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1558 | ||
1559 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1560 | { | |
f25fce3e | 1561 | return call_int_hook(unix_may_send, 0, sock, other); |
20510f2f JM |
1562 | } |
1563 | EXPORT_SYMBOL(security_unix_may_send); | |
1564 | ||
1565 | int security_socket_create(int family, int type, int protocol, int kern) | |
1566 | { | |
f25fce3e | 1567 | return call_int_hook(socket_create, 0, family, type, protocol, kern); |
20510f2f JM |
1568 | } |
1569 | ||
1570 | int security_socket_post_create(struct socket *sock, int family, | |
1571 | int type, int protocol, int kern) | |
1572 | { | |
f25fce3e | 1573 | return call_int_hook(socket_post_create, 0, sock, family, type, |
20510f2f JM |
1574 | protocol, kern); |
1575 | } | |
1576 | ||
aae7cfcb DH |
1577 | int security_socket_socketpair(struct socket *socka, struct socket *sockb) |
1578 | { | |
1579 | return call_int_hook(socket_socketpair, 0, socka, sockb); | |
1580 | } | |
1581 | EXPORT_SYMBOL(security_socket_socketpair); | |
1582 | ||
20510f2f JM |
1583 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) |
1584 | { | |
f25fce3e | 1585 | return call_int_hook(socket_bind, 0, sock, address, addrlen); |
20510f2f JM |
1586 | } |
1587 | ||
1588 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1589 | { | |
f25fce3e | 1590 | return call_int_hook(socket_connect, 0, sock, address, addrlen); |
20510f2f JM |
1591 | } |
1592 | ||
1593 | int security_socket_listen(struct socket *sock, int backlog) | |
1594 | { | |
f25fce3e | 1595 | return call_int_hook(socket_listen, 0, sock, backlog); |
20510f2f JM |
1596 | } |
1597 | ||
1598 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1599 | { | |
f25fce3e | 1600 | return call_int_hook(socket_accept, 0, sock, newsock); |
20510f2f JM |
1601 | } |
1602 | ||
20510f2f JM |
1603 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1604 | { | |
f25fce3e | 1605 | return call_int_hook(socket_sendmsg, 0, sock, msg, size); |
20510f2f JM |
1606 | } |
1607 | ||
1608 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1609 | int size, int flags) | |
1610 | { | |
f25fce3e | 1611 | return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); |
20510f2f JM |
1612 | } |
1613 | ||
1614 | int security_socket_getsockname(struct socket *sock) | |
1615 | { | |
f25fce3e | 1616 | return call_int_hook(socket_getsockname, 0, sock); |
20510f2f JM |
1617 | } |
1618 | ||
1619 | int security_socket_getpeername(struct socket *sock) | |
1620 | { | |
f25fce3e | 1621 | return call_int_hook(socket_getpeername, 0, sock); |
20510f2f JM |
1622 | } |
1623 | ||
1624 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1625 | { | |
f25fce3e | 1626 | return call_int_hook(socket_getsockopt, 0, sock, level, optname); |
20510f2f JM |
1627 | } |
1628 | ||
1629 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1630 | { | |
f25fce3e | 1631 | return call_int_hook(socket_setsockopt, 0, sock, level, optname); |
20510f2f JM |
1632 | } |
1633 | ||
1634 | int security_socket_shutdown(struct socket *sock, int how) | |
1635 | { | |
f25fce3e | 1636 | return call_int_hook(socket_shutdown, 0, sock, how); |
20510f2f JM |
1637 | } |
1638 | ||
1639 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1640 | { | |
f25fce3e | 1641 | return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); |
20510f2f JM |
1642 | } |
1643 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1644 | ||
1645 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1646 | int __user *optlen, unsigned len) | |
1647 | { | |
b1d9e6b0 CS |
1648 | return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, |
1649 | optval, optlen, len); | |
20510f2f JM |
1650 | } |
1651 | ||
1652 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1653 | { | |
e308fd3b JB |
1654 | return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, |
1655 | skb, secid); | |
20510f2f JM |
1656 | } |
1657 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1658 | ||
1659 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1660 | { | |
f25fce3e | 1661 | return call_int_hook(sk_alloc_security, 0, sk, family, priority); |
20510f2f JM |
1662 | } |
1663 | ||
1664 | void security_sk_free(struct sock *sk) | |
1665 | { | |
f25fce3e | 1666 | call_void_hook(sk_free_security, sk); |
20510f2f JM |
1667 | } |
1668 | ||
1669 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1670 | { | |
f25fce3e | 1671 | call_void_hook(sk_clone_security, sk, newsk); |
20510f2f | 1672 | } |
6230c9b4 | 1673 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1674 | |
1675 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1676 | { | |
f25fce3e | 1677 | call_void_hook(sk_getsecid, sk, &fl->flowi_secid); |
20510f2f JM |
1678 | } |
1679 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1680 | ||
1681 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1682 | { | |
f25fce3e | 1683 | call_void_hook(req_classify_flow, req, fl); |
20510f2f JM |
1684 | } |
1685 | EXPORT_SYMBOL(security_req_classify_flow); | |
1686 | ||
1687 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1688 | { | |
f25fce3e | 1689 | call_void_hook(sock_graft, sk, parent); |
20510f2f JM |
1690 | } |
1691 | EXPORT_SYMBOL(security_sock_graft); | |
1692 | ||
1693 | int security_inet_conn_request(struct sock *sk, | |
1694 | struct sk_buff *skb, struct request_sock *req) | |
1695 | { | |
f25fce3e | 1696 | return call_int_hook(inet_conn_request, 0, sk, skb, req); |
20510f2f JM |
1697 | } |
1698 | EXPORT_SYMBOL(security_inet_conn_request); | |
1699 | ||
1700 | void security_inet_csk_clone(struct sock *newsk, | |
1701 | const struct request_sock *req) | |
1702 | { | |
f25fce3e | 1703 | call_void_hook(inet_csk_clone, newsk, req); |
20510f2f JM |
1704 | } |
1705 | ||
1706 | void security_inet_conn_established(struct sock *sk, | |
1707 | struct sk_buff *skb) | |
1708 | { | |
f25fce3e | 1709 | call_void_hook(inet_conn_established, sk, skb); |
20510f2f | 1710 | } |
72e89f50 | 1711 | EXPORT_SYMBOL(security_inet_conn_established); |
20510f2f | 1712 | |
2606fd1f EP |
1713 | int security_secmark_relabel_packet(u32 secid) |
1714 | { | |
f25fce3e | 1715 | return call_int_hook(secmark_relabel_packet, 0, secid); |
2606fd1f EP |
1716 | } |
1717 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1718 | ||
1719 | void security_secmark_refcount_inc(void) | |
1720 | { | |
f25fce3e | 1721 | call_void_hook(secmark_refcount_inc); |
2606fd1f EP |
1722 | } |
1723 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1724 | ||
1725 | void security_secmark_refcount_dec(void) | |
1726 | { | |
f25fce3e | 1727 | call_void_hook(secmark_refcount_dec); |
2606fd1f EP |
1728 | } |
1729 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1730 | ||
5dbbaf2d PM |
1731 | int security_tun_dev_alloc_security(void **security) |
1732 | { | |
f25fce3e | 1733 | return call_int_hook(tun_dev_alloc_security, 0, security); |
5dbbaf2d PM |
1734 | } |
1735 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1736 | ||
1737 | void security_tun_dev_free_security(void *security) | |
1738 | { | |
f25fce3e | 1739 | call_void_hook(tun_dev_free_security, security); |
5dbbaf2d PM |
1740 | } |
1741 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1742 | ||
2b980dbd PM |
1743 | int security_tun_dev_create(void) |
1744 | { | |
f25fce3e | 1745 | return call_int_hook(tun_dev_create, 0); |
2b980dbd PM |
1746 | } |
1747 | EXPORT_SYMBOL(security_tun_dev_create); | |
1748 | ||
5dbbaf2d | 1749 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1750 | { |
f25fce3e | 1751 | return call_int_hook(tun_dev_attach_queue, 0, security); |
2b980dbd | 1752 | } |
5dbbaf2d | 1753 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1754 | |
5dbbaf2d | 1755 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1756 | { |
f25fce3e | 1757 | return call_int_hook(tun_dev_attach, 0, sk, security); |
2b980dbd PM |
1758 | } |
1759 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1760 | ||
5dbbaf2d PM |
1761 | int security_tun_dev_open(void *security) |
1762 | { | |
f25fce3e | 1763 | return call_int_hook(tun_dev_open, 0, security); |
5dbbaf2d PM |
1764 | } |
1765 | EXPORT_SYMBOL(security_tun_dev_open); | |
1766 | ||
72e89f50 RH |
1767 | int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb) |
1768 | { | |
1769 | return call_int_hook(sctp_assoc_request, 0, ep, skb); | |
1770 | } | |
1771 | EXPORT_SYMBOL(security_sctp_assoc_request); | |
1772 | ||
1773 | int security_sctp_bind_connect(struct sock *sk, int optname, | |
1774 | struct sockaddr *address, int addrlen) | |
1775 | { | |
1776 | return call_int_hook(sctp_bind_connect, 0, sk, optname, | |
1777 | address, addrlen); | |
1778 | } | |
1779 | EXPORT_SYMBOL(security_sctp_bind_connect); | |
1780 | ||
1781 | void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk, | |
1782 | struct sock *newsk) | |
1783 | { | |
1784 | call_void_hook(sctp_sk_clone, ep, sk, newsk); | |
1785 | } | |
1786 | EXPORT_SYMBOL(security_sctp_sk_clone); | |
1787 | ||
20510f2f JM |
1788 | #endif /* CONFIG_SECURITY_NETWORK */ |
1789 | ||
d291f1a6 DJ |
1790 | #ifdef CONFIG_SECURITY_INFINIBAND |
1791 | ||
1792 | int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey) | |
1793 | { | |
1794 | return call_int_hook(ib_pkey_access, 0, sec, subnet_prefix, pkey); | |
1795 | } | |
1796 | EXPORT_SYMBOL(security_ib_pkey_access); | |
1797 | ||
47a2b338 DJ |
1798 | int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num) |
1799 | { | |
1800 | return call_int_hook(ib_endport_manage_subnet, 0, sec, dev_name, port_num); | |
1801 | } | |
1802 | EXPORT_SYMBOL(security_ib_endport_manage_subnet); | |
1803 | ||
d291f1a6 DJ |
1804 | int security_ib_alloc_security(void **sec) |
1805 | { | |
1806 | return call_int_hook(ib_alloc_security, 0, sec); | |
1807 | } | |
1808 | EXPORT_SYMBOL(security_ib_alloc_security); | |
1809 | ||
1810 | void security_ib_free_security(void *sec) | |
1811 | { | |
1812 | call_void_hook(ib_free_security, sec); | |
1813 | } | |
1814 | EXPORT_SYMBOL(security_ib_free_security); | |
1815 | #endif /* CONFIG_SECURITY_INFINIBAND */ | |
1816 | ||
20510f2f JM |
1817 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1818 | ||
52a4c640 NA |
1819 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1820 | struct xfrm_user_sec_ctx *sec_ctx, | |
1821 | gfp_t gfp) | |
20510f2f | 1822 | { |
f25fce3e | 1823 | return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); |
20510f2f JM |
1824 | } |
1825 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1826 | ||
03e1ad7b PM |
1827 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1828 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1829 | { |
f25fce3e | 1830 | return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); |
20510f2f JM |
1831 | } |
1832 | ||
03e1ad7b | 1833 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1834 | { |
f25fce3e | 1835 | call_void_hook(xfrm_policy_free_security, ctx); |
20510f2f JM |
1836 | } |
1837 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1838 | ||
03e1ad7b | 1839 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1840 | { |
f25fce3e | 1841 | return call_int_hook(xfrm_policy_delete_security, 0, ctx); |
20510f2f JM |
1842 | } |
1843 | ||
2e5aa866 PM |
1844 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1845 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1846 | { |
f25fce3e | 1847 | return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); |
20510f2f JM |
1848 | } |
1849 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1850 | ||
1851 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1852 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1853 | { | |
f25fce3e | 1854 | return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); |
20510f2f JM |
1855 | } |
1856 | ||
1857 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1858 | { | |
f25fce3e | 1859 | return call_int_hook(xfrm_state_delete_security, 0, x); |
20510f2f JM |
1860 | } |
1861 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1862 | ||
1863 | void security_xfrm_state_free(struct xfrm_state *x) | |
1864 | { | |
f25fce3e | 1865 | call_void_hook(xfrm_state_free_security, x); |
20510f2f JM |
1866 | } |
1867 | ||
03e1ad7b | 1868 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1869 | { |
f25fce3e | 1870 | return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); |
20510f2f JM |
1871 | } |
1872 | ||
1873 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1874 | struct xfrm_policy *xp, |
1875 | const struct flowi *fl) | |
20510f2f | 1876 | { |
b1d9e6b0 CS |
1877 | struct security_hook_list *hp; |
1878 | int rc = 1; | |
1879 | ||
1880 | /* | |
1881 | * Since this function is expected to return 0 or 1, the judgment | |
1882 | * becomes difficult if multiple LSMs supply this call. Fortunately, | |
1883 | * we can use the first LSM's judgment because currently only SELinux | |
1884 | * supplies this call. | |
1885 | * | |
1886 | * For speed optimization, we explicitly break the loop rather than | |
1887 | * using the macro | |
1888 | */ | |
df0ce173 | 1889 | hlist_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, |
b1d9e6b0 CS |
1890 | list) { |
1891 | rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); | |
1892 | break; | |
1893 | } | |
1894 | return rc; | |
20510f2f JM |
1895 | } |
1896 | ||
1897 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1898 | { | |
f25fce3e | 1899 | return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); |
20510f2f JM |
1900 | } |
1901 | ||
1902 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1903 | { | |
f25fce3e CS |
1904 | int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, |
1905 | 0); | |
20510f2f JM |
1906 | |
1907 | BUG_ON(rc); | |
1908 | } | |
1909 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1910 | ||
1911 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1912 | ||
1913 | #ifdef CONFIG_KEYS | |
1914 | ||
d84f4f99 DH |
1915 | int security_key_alloc(struct key *key, const struct cred *cred, |
1916 | unsigned long flags) | |
20510f2f | 1917 | { |
f25fce3e | 1918 | return call_int_hook(key_alloc, 0, key, cred, flags); |
20510f2f JM |
1919 | } |
1920 | ||
1921 | void security_key_free(struct key *key) | |
1922 | { | |
f25fce3e | 1923 | call_void_hook(key_free, key); |
20510f2f JM |
1924 | } |
1925 | ||
1926 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1927 | const struct cred *cred, unsigned perm) |
20510f2f | 1928 | { |
f25fce3e | 1929 | return call_int_hook(key_permission, 0, key_ref, cred, perm); |
20510f2f JM |
1930 | } |
1931 | ||
70a5bb72 DH |
1932 | int security_key_getsecurity(struct key *key, char **_buffer) |
1933 | { | |
b1d9e6b0 | 1934 | *_buffer = NULL; |
f25fce3e | 1935 | return call_int_hook(key_getsecurity, 0, key, _buffer); |
70a5bb72 DH |
1936 | } |
1937 | ||
20510f2f | 1938 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1939 | |
1940 | #ifdef CONFIG_AUDIT | |
1941 | ||
1942 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1943 | { | |
f25fce3e | 1944 | return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); |
03d37d25 AD |
1945 | } |
1946 | ||
1947 | int security_audit_rule_known(struct audit_krule *krule) | |
1948 | { | |
f25fce3e | 1949 | return call_int_hook(audit_rule_known, 0, krule); |
03d37d25 AD |
1950 | } |
1951 | ||
1952 | void security_audit_rule_free(void *lsmrule) | |
1953 | { | |
f25fce3e | 1954 | call_void_hook(audit_rule_free, lsmrule); |
03d37d25 AD |
1955 | } |
1956 | ||
1957 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1958 | struct audit_context *actx) | |
1959 | { | |
f25fce3e CS |
1960 | return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, |
1961 | actx); | |
03d37d25 | 1962 | } |
b1d9e6b0 | 1963 | #endif /* CONFIG_AUDIT */ |
afdb09c7 CF |
1964 | |
1965 | #ifdef CONFIG_BPF_SYSCALL | |
1966 | int security_bpf(int cmd, union bpf_attr *attr, unsigned int size) | |
1967 | { | |
1968 | return call_int_hook(bpf, 0, cmd, attr, size); | |
1969 | } | |
1970 | int security_bpf_map(struct bpf_map *map, fmode_t fmode) | |
1971 | { | |
1972 | return call_int_hook(bpf_map, 0, map, fmode); | |
1973 | } | |
1974 | int security_bpf_prog(struct bpf_prog *prog) | |
1975 | { | |
1976 | return call_int_hook(bpf_prog, 0, prog); | |
1977 | } | |
1978 | int security_bpf_map_alloc(struct bpf_map *map) | |
1979 | { | |
1980 | return call_int_hook(bpf_map_alloc_security, 0, map); | |
1981 | } | |
1982 | int security_bpf_prog_alloc(struct bpf_prog_aux *aux) | |
1983 | { | |
1984 | return call_int_hook(bpf_prog_alloc_security, 0, aux); | |
1985 | } | |
1986 | void security_bpf_map_free(struct bpf_map *map) | |
1987 | { | |
1988 | call_void_hook(bpf_map_free_security, map); | |
1989 | } | |
1990 | void security_bpf_prog_free(struct bpf_prog_aux *aux) | |
1991 | { | |
1992 | call_void_hook(bpf_prog_free_security, aux); | |
1993 | } | |
1994 | #endif /* CONFIG_BPF_SYSCALL */ |