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