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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 | ||
142 | /* Check if LSM should be initialized. */ | |
143 | static void __init maybe_initialize_lsm(struct lsm_info *lsm) | |
144 | { | |
145 | int enabled = lsm_allowed(lsm); | |
146 | ||
147 | /* Record enablement (to handle any following exclusive LSMs). */ | |
148 | set_enabled(lsm, enabled); | |
149 | ||
150 | /* If selected, initialize the LSM. */ | |
151 | if (enabled) { | |
152 | int ret; | |
153 | ||
14bd99c8 KC |
154 | if ((lsm->flags & LSM_FLAG_EXCLUSIVE) && !exclusive) { |
155 | exclusive = lsm; | |
156 | init_debug("exclusive chosen: %s\n", lsm->name); | |
157 | } | |
158 | ||
f4941d75 KC |
159 | init_debug("initializing %s\n", lsm->name); |
160 | ret = lsm->init(); | |
161 | WARN(ret, "%s failed to initialize: %d\n", lsm->name, ret); | |
162 | } | |
163 | } | |
164 | ||
13e735c0 | 165 | /* Populate ordered LSMs list from comma-separated LSM name list. */ |
2d4d5119 | 166 | static void __init ordered_lsm_parse(const char *order, const char *origin) |
657d910b KC |
167 | { |
168 | struct lsm_info *lsm; | |
13e735c0 KC |
169 | char *sep, *name, *next; |
170 | ||
7e611486 | 171 | /* Process "security=", if given. */ |
7e611486 KC |
172 | if (chosen_major_lsm) { |
173 | struct lsm_info *major; | |
174 | ||
175 | /* | |
176 | * To match the original "security=" behavior, this | |
177 | * explicitly does NOT fallback to another Legacy Major | |
178 | * if the selected one was separately disabled: disable | |
179 | * all non-matching Legacy Major LSMs. | |
180 | */ | |
181 | for (major = __start_lsm_info; major < __end_lsm_info; | |
182 | major++) { | |
183 | if ((major->flags & LSM_FLAG_LEGACY_MAJOR) && | |
184 | strcmp(major->name, chosen_major_lsm) != 0) { | |
185 | set_enabled(major, false); | |
186 | init_debug("security=%s disabled: %s\n", | |
187 | chosen_major_lsm, major->name); | |
188 | } | |
189 | } | |
190 | } | |
5ef4e419 | 191 | |
13e735c0 KC |
192 | sep = kstrdup(order, GFP_KERNEL); |
193 | next = sep; | |
194 | /* Walk the list, looking for matching LSMs. */ | |
195 | while ((name = strsep(&next, ",")) != NULL) { | |
196 | bool found = false; | |
197 | ||
198 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
c91d8106 | 199 | if (strcmp(lsm->name, name) == 0) { |
13e735c0 KC |
200 | append_ordered_lsm(lsm, origin); |
201 | found = true; | |
202 | } | |
203 | } | |
204 | ||
205 | if (!found) | |
206 | init_debug("%s ignored: %s\n", origin, name); | |
657d910b | 207 | } |
c91d8106 CS |
208 | |
209 | /* Process "security=", if given. */ | |
210 | if (chosen_major_lsm) { | |
211 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
212 | if (exists_ordered_lsm(lsm)) | |
213 | continue; | |
214 | if (strcmp(lsm->name, chosen_major_lsm) == 0) | |
215 | append_ordered_lsm(lsm, "security="); | |
216 | } | |
217 | } | |
218 | ||
219 | /* Disable all LSMs not in the ordered list. */ | |
220 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
221 | if (exists_ordered_lsm(lsm)) | |
222 | continue; | |
223 | set_enabled(lsm, false); | |
224 | init_debug("%s disabled: %s\n", origin, lsm->name); | |
225 | } | |
226 | ||
13e735c0 | 227 | kfree(sep); |
657d910b KC |
228 | } |
229 | ||
2d4d5119 KC |
230 | static void __init ordered_lsm_init(void) |
231 | { | |
232 | struct lsm_info **lsm; | |
233 | ||
234 | ordered_lsms = kcalloc(LSM_COUNT + 1, sizeof(*ordered_lsms), | |
235 | GFP_KERNEL); | |
236 | ||
79f7865d KC |
237 | if (chosen_lsm_order) |
238 | ordered_lsm_parse(chosen_lsm_order, "cmdline"); | |
239 | else | |
240 | ordered_lsm_parse(builtin_lsm_order, "builtin"); | |
2d4d5119 KC |
241 | |
242 | for (lsm = ordered_lsms; *lsm; lsm++) | |
243 | maybe_initialize_lsm(*lsm); | |
244 | ||
245 | kfree(ordered_lsms); | |
246 | } | |
247 | ||
1da177e4 LT |
248 | /** |
249 | * security_init - initializes the security framework | |
250 | * | |
251 | * This should be called early in the kernel initialization sequence. | |
252 | */ | |
253 | int __init security_init(void) | |
254 | { | |
3dfc9b02 | 255 | int i; |
df0ce173 | 256 | struct hlist_head *list = (struct hlist_head *) &security_hook_heads; |
3dfc9b02 | 257 | |
98d29170 KC |
258 | pr_info("Security Framework initializing\n"); |
259 | ||
df0ce173 | 260 | for (i = 0; i < sizeof(security_hook_heads) / sizeof(struct hlist_head); |
3dfc9b02 | 261 | i++) |
df0ce173 | 262 | INIT_HLIST_HEAD(&list[i]); |
1da177e4 | 263 | |
b1d9e6b0 | 264 | /* |
730daa16 | 265 | * Load minor LSMs, with the capability module always first. |
b1d9e6b0 CS |
266 | */ |
267 | capability_add_hooks(); | |
b1d9e6b0 | 268 | yama_add_hooks(); |
9b091556 | 269 | loadpin_add_hooks(); |
730daa16 | 270 | |
657d910b KC |
271 | /* Load LSMs in specified order. */ |
272 | ordered_lsm_init(); | |
273 | ||
1da177e4 LT |
274 | return 0; |
275 | } | |
276 | ||
076c54c5 | 277 | /* Save user chosen LSM */ |
5ef4e419 | 278 | static int __init choose_major_lsm(char *str) |
076c54c5 | 279 | { |
5ef4e419 | 280 | chosen_major_lsm = str; |
076c54c5 AD |
281 | return 1; |
282 | } | |
5ef4e419 | 283 | __setup("security=", choose_major_lsm); |
076c54c5 | 284 | |
79f7865d KC |
285 | /* Explicitly choose LSM initialization order. */ |
286 | static int __init choose_lsm_order(char *str) | |
287 | { | |
288 | chosen_lsm_order = str; | |
289 | return 1; | |
290 | } | |
291 | __setup("lsm=", choose_lsm_order); | |
292 | ||
9b8c7c14 KC |
293 | /* Enable LSM order debugging. */ |
294 | static int __init enable_debug(char *str) | |
295 | { | |
296 | debug = true; | |
297 | return 1; | |
298 | } | |
299 | __setup("lsm.debug", enable_debug); | |
300 | ||
3bb857e4 MS |
301 | static bool match_last_lsm(const char *list, const char *lsm) |
302 | { | |
303 | const char *last; | |
304 | ||
305 | if (WARN_ON(!list || !lsm)) | |
306 | return false; | |
307 | last = strrchr(list, ','); | |
308 | if (last) | |
309 | /* Pass the comma, strcmp() will check for '\0' */ | |
310 | last++; | |
311 | else | |
312 | last = list; | |
313 | return !strcmp(last, lsm); | |
314 | } | |
315 | ||
d69dece5 CS |
316 | static int lsm_append(char *new, char **result) |
317 | { | |
318 | char *cp; | |
319 | ||
320 | if (*result == NULL) { | |
321 | *result = kstrdup(new, GFP_KERNEL); | |
87ea5843 EB |
322 | if (*result == NULL) |
323 | return -ENOMEM; | |
d69dece5 | 324 | } else { |
3bb857e4 MS |
325 | /* Check if it is the last registered name */ |
326 | if (match_last_lsm(*result, new)) | |
327 | return 0; | |
d69dece5 CS |
328 | cp = kasprintf(GFP_KERNEL, "%s,%s", *result, new); |
329 | if (cp == NULL) | |
330 | return -ENOMEM; | |
331 | kfree(*result); | |
332 | *result = cp; | |
333 | } | |
334 | return 0; | |
335 | } | |
336 | ||
d69dece5 CS |
337 | /** |
338 | * security_add_hooks - Add a modules hooks to the hook lists. | |
339 | * @hooks: the hooks to add | |
340 | * @count: the number of hooks to add | |
341 | * @lsm: the name of the security module | |
342 | * | |
343 | * Each LSM has to register its hooks with the infrastructure. | |
344 | */ | |
345 | void __init security_add_hooks(struct security_hook_list *hooks, int count, | |
346 | char *lsm) | |
347 | { | |
348 | int i; | |
349 | ||
350 | for (i = 0; i < count; i++) { | |
351 | hooks[i].lsm = lsm; | |
df0ce173 | 352 | hlist_add_tail_rcu(&hooks[i].list, hooks[i].head); |
d69dece5 CS |
353 | } |
354 | if (lsm_append(lsm, &lsm_names) < 0) | |
355 | panic("%s - Cannot get early memory.\n", __func__); | |
356 | } | |
357 | ||
8f408ab6 DJ |
358 | int call_lsm_notifier(enum lsm_event event, void *data) |
359 | { | |
360 | return atomic_notifier_call_chain(&lsm_notifier_chain, event, data); | |
361 | } | |
362 | EXPORT_SYMBOL(call_lsm_notifier); | |
363 | ||
364 | int register_lsm_notifier(struct notifier_block *nb) | |
365 | { | |
366 | return atomic_notifier_chain_register(&lsm_notifier_chain, nb); | |
367 | } | |
368 | EXPORT_SYMBOL(register_lsm_notifier); | |
369 | ||
370 | int unregister_lsm_notifier(struct notifier_block *nb) | |
371 | { | |
372 | return atomic_notifier_chain_unregister(&lsm_notifier_chain, nb); | |
373 | } | |
374 | EXPORT_SYMBOL(unregister_lsm_notifier); | |
375 | ||
f25fce3e | 376 | /* |
b1d9e6b0 | 377 | * Hook list operation macros. |
1da177e4 | 378 | * |
f25fce3e CS |
379 | * call_void_hook: |
380 | * This is a hook that does not return a value. | |
1da177e4 | 381 | * |
f25fce3e CS |
382 | * call_int_hook: |
383 | * This is a hook that returns a value. | |
1da177e4 | 384 | */ |
1da177e4 | 385 | |
b1d9e6b0 CS |
386 | #define call_void_hook(FUNC, ...) \ |
387 | do { \ | |
388 | struct security_hook_list *P; \ | |
389 | \ | |
df0ce173 | 390 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) \ |
b1d9e6b0 CS |
391 | P->hook.FUNC(__VA_ARGS__); \ |
392 | } while (0) | |
393 | ||
394 | #define call_int_hook(FUNC, IRC, ...) ({ \ | |
395 | int RC = IRC; \ | |
396 | do { \ | |
397 | struct security_hook_list *P; \ | |
398 | \ | |
df0ce173 | 399 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) { \ |
b1d9e6b0 CS |
400 | RC = P->hook.FUNC(__VA_ARGS__); \ |
401 | if (RC != 0) \ | |
402 | break; \ | |
403 | } \ | |
404 | } while (0); \ | |
405 | RC; \ | |
406 | }) | |
1da177e4 | 407 | |
20510f2f JM |
408 | /* Security operations */ |
409 | ||
79af7307 SS |
410 | int security_binder_set_context_mgr(struct task_struct *mgr) |
411 | { | |
f25fce3e | 412 | return call_int_hook(binder_set_context_mgr, 0, mgr); |
79af7307 SS |
413 | } |
414 | ||
415 | int security_binder_transaction(struct task_struct *from, | |
416 | struct task_struct *to) | |
417 | { | |
f25fce3e | 418 | return call_int_hook(binder_transaction, 0, from, to); |
79af7307 SS |
419 | } |
420 | ||
421 | int security_binder_transfer_binder(struct task_struct *from, | |
422 | struct task_struct *to) | |
423 | { | |
f25fce3e | 424 | return call_int_hook(binder_transfer_binder, 0, from, to); |
79af7307 SS |
425 | } |
426 | ||
427 | int security_binder_transfer_file(struct task_struct *from, | |
428 | struct task_struct *to, struct file *file) | |
429 | { | |
f25fce3e | 430 | return call_int_hook(binder_transfer_file, 0, from, to, file); |
79af7307 SS |
431 | } |
432 | ||
9e48858f | 433 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 434 | { |
f25fce3e | 435 | return call_int_hook(ptrace_access_check, 0, child, mode); |
5cd9c58f DH |
436 | } |
437 | ||
438 | int security_ptrace_traceme(struct task_struct *parent) | |
439 | { | |
f25fce3e | 440 | return call_int_hook(ptrace_traceme, 0, parent); |
20510f2f JM |
441 | } |
442 | ||
443 | int security_capget(struct task_struct *target, | |
444 | kernel_cap_t *effective, | |
445 | kernel_cap_t *inheritable, | |
446 | kernel_cap_t *permitted) | |
447 | { | |
f25fce3e CS |
448 | return call_int_hook(capget, 0, target, |
449 | effective, inheritable, permitted); | |
20510f2f JM |
450 | } |
451 | ||
d84f4f99 DH |
452 | int security_capset(struct cred *new, const struct cred *old, |
453 | const kernel_cap_t *effective, | |
454 | const kernel_cap_t *inheritable, | |
455 | const kernel_cap_t *permitted) | |
20510f2f | 456 | { |
f25fce3e CS |
457 | return call_int_hook(capset, 0, new, old, |
458 | effective, inheritable, permitted); | |
20510f2f JM |
459 | } |
460 | ||
b7e724d3 | 461 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 462 | int cap) |
20510f2f | 463 | { |
f25fce3e | 464 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
465 | } |
466 | ||
c7eba4a9 EP |
467 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
468 | int cap) | |
06112163 | 469 | { |
f25fce3e | 470 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
471 | } |
472 | ||
20510f2f JM |
473 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
474 | { | |
f25fce3e | 475 | return call_int_hook(quotactl, 0, cmds, type, id, sb); |
20510f2f JM |
476 | } |
477 | ||
478 | int security_quota_on(struct dentry *dentry) | |
479 | { | |
f25fce3e | 480 | return call_int_hook(quota_on, 0, dentry); |
20510f2f JM |
481 | } |
482 | ||
12b3052c | 483 | int security_syslog(int type) |
20510f2f | 484 | { |
f25fce3e | 485 | return call_int_hook(syslog, 0, type); |
20510f2f JM |
486 | } |
487 | ||
457db29b | 488 | int security_settime64(const struct timespec64 *ts, const struct timezone *tz) |
20510f2f | 489 | { |
f25fce3e | 490 | return call_int_hook(settime, 0, ts, tz); |
20510f2f JM |
491 | } |
492 | ||
20510f2f JM |
493 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
494 | { | |
b1d9e6b0 CS |
495 | struct security_hook_list *hp; |
496 | int cap_sys_admin = 1; | |
497 | int rc; | |
498 | ||
499 | /* | |
500 | * The module will respond with a positive value if | |
501 | * it thinks the __vm_enough_memory() call should be | |
502 | * made with the cap_sys_admin set. If all of the modules | |
503 | * agree that it should be set it will. If any module | |
504 | * thinks it should not be set it won't. | |
505 | */ | |
df0ce173 | 506 | hlist_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) { |
b1d9e6b0 CS |
507 | rc = hp->hook.vm_enough_memory(mm, pages); |
508 | if (rc <= 0) { | |
509 | cap_sys_admin = 0; | |
510 | break; | |
511 | } | |
512 | } | |
513 | return __vm_enough_memory(mm, pages, cap_sys_admin); | |
20510f2f JM |
514 | } |
515 | ||
a6f76f23 | 516 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 517 | { |
f25fce3e | 518 | return call_int_hook(bprm_set_creds, 0, bprm); |
20510f2f JM |
519 | } |
520 | ||
a6f76f23 | 521 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 522 | { |
6c21a7fb MZ |
523 | int ret; |
524 | ||
f25fce3e | 525 | ret = call_int_hook(bprm_check_security, 0, bprm); |
6c21a7fb MZ |
526 | if (ret) |
527 | return ret; | |
528 | return ima_bprm_check(bprm); | |
20510f2f JM |
529 | } |
530 | ||
a6f76f23 | 531 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 532 | { |
f25fce3e | 533 | call_void_hook(bprm_committing_creds, bprm); |
20510f2f JM |
534 | } |
535 | ||
a6f76f23 | 536 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 537 | { |
f25fce3e | 538 | call_void_hook(bprm_committed_creds, bprm); |
20510f2f JM |
539 | } |
540 | ||
20510f2f JM |
541 | int security_sb_alloc(struct super_block *sb) |
542 | { | |
f25fce3e | 543 | return call_int_hook(sb_alloc_security, 0, sb); |
20510f2f JM |
544 | } |
545 | ||
546 | void security_sb_free(struct super_block *sb) | |
547 | { | |
f25fce3e | 548 | call_void_hook(sb_free_security, sb); |
20510f2f JM |
549 | } |
550 | ||
204cc0cc | 551 | void security_free_mnt_opts(void **mnt_opts) |
20510f2f | 552 | { |
204cc0cc AV |
553 | if (!*mnt_opts) |
554 | return; | |
555 | call_void_hook(sb_free_mnt_opts, *mnt_opts); | |
556 | *mnt_opts = NULL; | |
20510f2f | 557 | } |
204cc0cc | 558 | EXPORT_SYMBOL(security_free_mnt_opts); |
20510f2f | 559 | |
204cc0cc | 560 | int security_sb_eat_lsm_opts(char *options, void **mnt_opts) |
ff36fe2c | 561 | { |
204cc0cc | 562 | return call_int_hook(sb_eat_lsm_opts, 0, options, mnt_opts); |
ff36fe2c | 563 | } |
f5c0c26d | 564 | EXPORT_SYMBOL(security_sb_eat_lsm_opts); |
ff36fe2c | 565 | |
c039bc3c | 566 | int security_sb_remount(struct super_block *sb, |
204cc0cc | 567 | void *mnt_opts) |
20510f2f | 568 | { |
204cc0cc | 569 | return call_int_hook(sb_remount, 0, sb, mnt_opts); |
ff36fe2c | 570 | } |
a65001e8 | 571 | EXPORT_SYMBOL(security_sb_remount); |
ff36fe2c | 572 | |
a10d7c22 | 573 | int security_sb_kern_mount(struct super_block *sb) |
20510f2f | 574 | { |
a10d7c22 | 575 | return call_int_hook(sb_kern_mount, 0, sb); |
20510f2f JM |
576 | } |
577 | ||
2069f457 EP |
578 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
579 | { | |
f25fce3e | 580 | return call_int_hook(sb_show_options, 0, m, sb); |
2069f457 EP |
581 | } |
582 | ||
20510f2f JM |
583 | int security_sb_statfs(struct dentry *dentry) |
584 | { | |
f25fce3e | 585 | return call_int_hook(sb_statfs, 0, dentry); |
20510f2f JM |
586 | } |
587 | ||
8a04c43b | 588 | int security_sb_mount(const char *dev_name, const struct path *path, |
808d4e3c | 589 | const char *type, unsigned long flags, void *data) |
20510f2f | 590 | { |
f25fce3e | 591 | return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data); |
20510f2f JM |
592 | } |
593 | ||
20510f2f JM |
594 | int security_sb_umount(struct vfsmount *mnt, int flags) |
595 | { | |
f25fce3e | 596 | return call_int_hook(sb_umount, 0, mnt, flags); |
20510f2f JM |
597 | } |
598 | ||
3b73b68c | 599 | int security_sb_pivotroot(const struct path *old_path, const struct path *new_path) |
20510f2f | 600 | { |
f25fce3e | 601 | return call_int_hook(sb_pivotroot, 0, old_path, new_path); |
20510f2f JM |
602 | } |
603 | ||
c9180a57 | 604 | int security_sb_set_mnt_opts(struct super_block *sb, |
204cc0cc | 605 | void *mnt_opts, |
649f6e77 DQ |
606 | unsigned long kern_flags, |
607 | unsigned long *set_kern_flags) | |
c9180a57 | 608 | { |
b1d9e6b0 | 609 | return call_int_hook(sb_set_mnt_opts, |
204cc0cc AV |
610 | mnt_opts ? -EOPNOTSUPP : 0, sb, |
611 | mnt_opts, kern_flags, set_kern_flags); | |
c9180a57 | 612 | } |
e0007529 | 613 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 614 | |
094f7b69 | 615 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
0b4d3452 SM |
616 | struct super_block *newsb, |
617 | unsigned long kern_flags, | |
618 | unsigned long *set_kern_flags) | |
c9180a57 | 619 | { |
0b4d3452 SM |
620 | return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb, |
621 | kern_flags, set_kern_flags); | |
c9180a57 | 622 | } |
e0007529 EP |
623 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
624 | ||
757cbe59 AV |
625 | int security_add_mnt_opt(const char *option, const char *val, int len, |
626 | void **mnt_opts) | |
e0007529 | 627 | { |
757cbe59 AV |
628 | return call_int_hook(sb_add_mnt_opt, -EINVAL, |
629 | option, val, len, mnt_opts); | |
e0007529 | 630 | } |
757cbe59 | 631 | EXPORT_SYMBOL(security_add_mnt_opt); |
c9180a57 | 632 | |
20510f2f JM |
633 | int security_inode_alloc(struct inode *inode) |
634 | { | |
635 | inode->i_security = NULL; | |
f25fce3e | 636 | return call_int_hook(inode_alloc_security, 0, inode); |
20510f2f JM |
637 | } |
638 | ||
639 | void security_inode_free(struct inode *inode) | |
640 | { | |
f381c272 | 641 | integrity_inode_free(inode); |
f25fce3e | 642 | call_void_hook(inode_free_security, inode); |
20510f2f JM |
643 | } |
644 | ||
d47be3df | 645 | int security_dentry_init_security(struct dentry *dentry, int mode, |
4f3ccd76 | 646 | const struct qstr *name, void **ctx, |
d47be3df DQ |
647 | u32 *ctxlen) |
648 | { | |
b1d9e6b0 CS |
649 | return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode, |
650 | name, ctx, ctxlen); | |
d47be3df DQ |
651 | } |
652 | EXPORT_SYMBOL(security_dentry_init_security); | |
653 | ||
2602625b VG |
654 | int security_dentry_create_files_as(struct dentry *dentry, int mode, |
655 | struct qstr *name, | |
656 | const struct cred *old, struct cred *new) | |
657 | { | |
658 | return call_int_hook(dentry_create_files_as, 0, dentry, mode, | |
659 | name, old, new); | |
660 | } | |
661 | EXPORT_SYMBOL(security_dentry_create_files_as); | |
662 | ||
20510f2f | 663 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
664 | const struct qstr *qstr, |
665 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 666 | { |
823eb1cc MZ |
667 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
668 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
669 | int ret; |
670 | ||
20510f2f | 671 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 672 | return 0; |
9d8f13ba | 673 | |
9d8f13ba | 674 | if (!initxattrs) |
e308fd3b JB |
675 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, |
676 | dir, qstr, NULL, NULL, NULL); | |
9548906b | 677 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
9d8f13ba | 678 | lsm_xattr = new_xattrs; |
b1d9e6b0 | 679 | ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, |
9d8f13ba MZ |
680 | &lsm_xattr->name, |
681 | &lsm_xattr->value, | |
682 | &lsm_xattr->value_len); | |
683 | if (ret) | |
684 | goto out; | |
823eb1cc MZ |
685 | |
686 | evm_xattr = lsm_xattr + 1; | |
687 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
688 | if (ret) | |
689 | goto out; | |
9d8f13ba MZ |
690 | ret = initxattrs(inode, new_xattrs, fs_data); |
691 | out: | |
9548906b | 692 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
823eb1cc | 693 | kfree(xattr->value); |
9d8f13ba MZ |
694 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
695 | } | |
696 | EXPORT_SYMBOL(security_inode_init_security); | |
697 | ||
698 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 699 | const struct qstr *qstr, const char **name, |
9d8f13ba | 700 | void **value, size_t *len) |
20510f2f JM |
701 | { |
702 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 703 | return -EOPNOTSUPP; |
e308fd3b JB |
704 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, |
705 | qstr, name, value, len); | |
20510f2f | 706 | } |
9d8f13ba | 707 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 708 | |
be6d3e56 | 709 | #ifdef CONFIG_SECURITY_PATH |
d3607752 | 710 | int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
711 | unsigned int dev) |
712 | { | |
c6f493d6 | 713 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 714 | return 0; |
f25fce3e | 715 | return call_int_hook(path_mknod, 0, dir, dentry, mode, dev); |
be6d3e56 KT |
716 | } |
717 | EXPORT_SYMBOL(security_path_mknod); | |
718 | ||
d3607752 | 719 | int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 720 | { |
c6f493d6 | 721 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 722 | return 0; |
f25fce3e | 723 | return call_int_hook(path_mkdir, 0, dir, dentry, mode); |
be6d3e56 | 724 | } |
82140443 | 725 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 726 | |
989f74e0 | 727 | int security_path_rmdir(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 728 | { |
c6f493d6 | 729 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 730 | return 0; |
f25fce3e | 731 | return call_int_hook(path_rmdir, 0, dir, dentry); |
be6d3e56 KT |
732 | } |
733 | ||
989f74e0 | 734 | int security_path_unlink(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_unlink, 0, dir, dentry); |
be6d3e56 | 739 | } |
82140443 | 740 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 741 | |
d3607752 | 742 | int security_path_symlink(const struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
743 | const char *old_name) |
744 | { | |
c6f493d6 | 745 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 746 | return 0; |
f25fce3e | 747 | return call_int_hook(path_symlink, 0, dir, dentry, old_name); |
be6d3e56 KT |
748 | } |
749 | ||
3ccee46a | 750 | int security_path_link(struct dentry *old_dentry, const struct path *new_dir, |
be6d3e56 KT |
751 | struct dentry *new_dentry) |
752 | { | |
c6f493d6 | 753 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
be6d3e56 | 754 | return 0; |
f25fce3e | 755 | return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry); |
be6d3e56 KT |
756 | } |
757 | ||
3ccee46a AV |
758 | int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, |
759 | const struct path *new_dir, struct dentry *new_dentry, | |
0b3974eb | 760 | unsigned int flags) |
be6d3e56 | 761 | { |
c6f493d6 DH |
762 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
763 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
be6d3e56 | 764 | return 0; |
da1ce067 MS |
765 | |
766 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e CS |
767 | int err = call_int_hook(path_rename, 0, new_dir, new_dentry, |
768 | old_dir, old_dentry); | |
da1ce067 MS |
769 | if (err) |
770 | return err; | |
771 | } | |
772 | ||
f25fce3e CS |
773 | return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, |
774 | new_dentry); | |
be6d3e56 | 775 | } |
82140443 | 776 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 777 | |
81f4c506 | 778 | int security_path_truncate(const struct path *path) |
be6d3e56 | 779 | { |
c6f493d6 | 780 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
be6d3e56 | 781 | return 0; |
f25fce3e | 782 | return call_int_hook(path_truncate, 0, path); |
be6d3e56 | 783 | } |
89eda068 | 784 | |
be01f9f2 | 785 | int security_path_chmod(const struct path *path, umode_t mode) |
89eda068 | 786 | { |
c6f493d6 | 787 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 788 | return 0; |
f25fce3e | 789 | return call_int_hook(path_chmod, 0, path, mode); |
89eda068 TH |
790 | } |
791 | ||
7fd25dac | 792 | int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
89eda068 | 793 | { |
c6f493d6 | 794 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 795 | return 0; |
f25fce3e | 796 | return call_int_hook(path_chown, 0, path, uid, gid); |
89eda068 | 797 | } |
8b8efb44 | 798 | |
77b286c0 | 799 | int security_path_chroot(const struct path *path) |
8b8efb44 | 800 | { |
f25fce3e | 801 | return call_int_hook(path_chroot, 0, path); |
8b8efb44 | 802 | } |
be6d3e56 KT |
803 | #endif |
804 | ||
4acdaf27 | 805 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
806 | { |
807 | if (unlikely(IS_PRIVATE(dir))) | |
808 | return 0; | |
f25fce3e | 809 | return call_int_hook(inode_create, 0, dir, dentry, mode); |
20510f2f | 810 | } |
800a9647 | 811 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
812 | |
813 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
814 | struct dentry *new_dentry) | |
815 | { | |
c6f493d6 | 816 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
20510f2f | 817 | return 0; |
f25fce3e | 818 | return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry); |
20510f2f JM |
819 | } |
820 | ||
821 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
822 | { | |
c6f493d6 | 823 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 824 | return 0; |
f25fce3e | 825 | return call_int_hook(inode_unlink, 0, dir, dentry); |
20510f2f JM |
826 | } |
827 | ||
828 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
829 | const char *old_name) | |
830 | { | |
831 | if (unlikely(IS_PRIVATE(dir))) | |
832 | return 0; | |
f25fce3e | 833 | return call_int_hook(inode_symlink, 0, dir, dentry, old_name); |
20510f2f JM |
834 | } |
835 | ||
18bb1db3 | 836 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
837 | { |
838 | if (unlikely(IS_PRIVATE(dir))) | |
839 | return 0; | |
f25fce3e | 840 | return call_int_hook(inode_mkdir, 0, dir, dentry, mode); |
20510f2f | 841 | } |
800a9647 | 842 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
843 | |
844 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
845 | { | |
c6f493d6 | 846 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 847 | return 0; |
f25fce3e | 848 | return call_int_hook(inode_rmdir, 0, dir, dentry); |
20510f2f JM |
849 | } |
850 | ||
1a67aafb | 851 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
852 | { |
853 | if (unlikely(IS_PRIVATE(dir))) | |
854 | return 0; | |
f25fce3e | 855 | return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev); |
20510f2f JM |
856 | } |
857 | ||
858 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
859 | struct inode *new_dir, struct dentry *new_dentry, |
860 | unsigned int flags) | |
20510f2f | 861 | { |
c6f493d6 DH |
862 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
863 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
20510f2f | 864 | return 0; |
da1ce067 MS |
865 | |
866 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e | 867 | int err = call_int_hook(inode_rename, 0, new_dir, new_dentry, |
da1ce067 MS |
868 | old_dir, old_dentry); |
869 | if (err) | |
870 | return err; | |
871 | } | |
872 | ||
f25fce3e | 873 | return call_int_hook(inode_rename, 0, old_dir, old_dentry, |
20510f2f JM |
874 | new_dir, new_dentry); |
875 | } | |
876 | ||
877 | int security_inode_readlink(struct dentry *dentry) | |
878 | { | |
c6f493d6 | 879 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 880 | return 0; |
f25fce3e | 881 | return call_int_hook(inode_readlink, 0, dentry); |
20510f2f JM |
882 | } |
883 | ||
bda0be7a N |
884 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
885 | bool rcu) | |
20510f2f | 886 | { |
bda0be7a | 887 | if (unlikely(IS_PRIVATE(inode))) |
20510f2f | 888 | return 0; |
e22619a2 | 889 | return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); |
20510f2f JM |
890 | } |
891 | ||
b77b0646 | 892 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
893 | { |
894 | if (unlikely(IS_PRIVATE(inode))) | |
895 | return 0; | |
f25fce3e | 896 | return call_int_hook(inode_permission, 0, inode, mask); |
20510f2f JM |
897 | } |
898 | ||
899 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
900 | { | |
817b54aa MZ |
901 | int ret; |
902 | ||
c6f493d6 | 903 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 904 | return 0; |
f25fce3e | 905 | ret = call_int_hook(inode_setattr, 0, dentry, attr); |
817b54aa MZ |
906 | if (ret) |
907 | return ret; | |
908 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 909 | } |
b1da47e2 | 910 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 911 | |
3f7036a0 | 912 | int security_inode_getattr(const struct path *path) |
20510f2f | 913 | { |
c6f493d6 | 914 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 915 | return 0; |
f25fce3e | 916 | return call_int_hook(inode_getattr, 0, path); |
20510f2f JM |
917 | } |
918 | ||
8f0cfa52 DH |
919 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
920 | const void *value, size_t size, int flags) | |
20510f2f | 921 | { |
3e1be52d MZ |
922 | int ret; |
923 | ||
c6f493d6 | 924 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 925 | return 0; |
b1d9e6b0 CS |
926 | /* |
927 | * SELinux and Smack integrate the cap call, | |
928 | * so assume that all LSMs supplying this call do so. | |
929 | */ | |
930 | ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, | |
f25fce3e | 931 | flags); |
b1d9e6b0 CS |
932 | |
933 | if (ret == 1) | |
934 | ret = cap_inode_setxattr(dentry, name, value, size, flags); | |
42c63330 MZ |
935 | if (ret) |
936 | return ret; | |
937 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
938 | if (ret) |
939 | return ret; | |
940 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
941 | } |
942 | ||
8f0cfa52 DH |
943 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
944 | const void *value, size_t size, int flags) | |
20510f2f | 945 | { |
c6f493d6 | 946 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 947 | return; |
f25fce3e | 948 | call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); |
3e1be52d | 949 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
950 | } |
951 | ||
8f0cfa52 | 952 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 953 | { |
c6f493d6 | 954 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 955 | return 0; |
f25fce3e | 956 | return call_int_hook(inode_getxattr, 0, dentry, name); |
20510f2f JM |
957 | } |
958 | ||
959 | int security_inode_listxattr(struct dentry *dentry) | |
960 | { | |
c6f493d6 | 961 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 962 | return 0; |
f25fce3e | 963 | return call_int_hook(inode_listxattr, 0, dentry); |
20510f2f JM |
964 | } |
965 | ||
8f0cfa52 | 966 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 967 | { |
3e1be52d MZ |
968 | int ret; |
969 | ||
c6f493d6 | 970 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 971 | return 0; |
b1d9e6b0 CS |
972 | /* |
973 | * SELinux and Smack integrate the cap call, | |
974 | * so assume that all LSMs supplying this call do so. | |
975 | */ | |
976 | ret = call_int_hook(inode_removexattr, 1, dentry, name); | |
977 | if (ret == 1) | |
978 | ret = cap_inode_removexattr(dentry, name); | |
42c63330 MZ |
979 | if (ret) |
980 | return ret; | |
981 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
982 | if (ret) |
983 | return ret; | |
984 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
985 | } |
986 | ||
b5376771 SH |
987 | int security_inode_need_killpriv(struct dentry *dentry) |
988 | { | |
f25fce3e | 989 | return call_int_hook(inode_need_killpriv, 0, dentry); |
b5376771 SH |
990 | } |
991 | ||
992 | int security_inode_killpriv(struct dentry *dentry) | |
993 | { | |
f25fce3e | 994 | return call_int_hook(inode_killpriv, 0, dentry); |
b5376771 SH |
995 | } |
996 | ||
ea861dfd | 997 | int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f | 998 | { |
2885c1e3 CS |
999 | struct security_hook_list *hp; |
1000 | int rc; | |
1001 | ||
20510f2f | 1002 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 1003 | return -EOPNOTSUPP; |
2885c1e3 CS |
1004 | /* |
1005 | * Only one module will provide an attribute with a given name. | |
1006 | */ | |
df0ce173 | 1007 | hlist_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { |
2885c1e3 CS |
1008 | rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); |
1009 | if (rc != -EOPNOTSUPP) | |
1010 | return rc; | |
1011 | } | |
1012 | return -EOPNOTSUPP; | |
20510f2f JM |
1013 | } |
1014 | ||
1015 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
1016 | { | |
2885c1e3 CS |
1017 | struct security_hook_list *hp; |
1018 | int rc; | |
1019 | ||
20510f2f | 1020 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 1021 | return -EOPNOTSUPP; |
2885c1e3 CS |
1022 | /* |
1023 | * Only one module will provide an attribute with a given name. | |
1024 | */ | |
df0ce173 | 1025 | hlist_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { |
2885c1e3 CS |
1026 | rc = hp->hook.inode_setsecurity(inode, name, value, size, |
1027 | flags); | |
1028 | if (rc != -EOPNOTSUPP) | |
1029 | return rc; | |
1030 | } | |
1031 | return -EOPNOTSUPP; | |
20510f2f JM |
1032 | } |
1033 | ||
1034 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
1035 | { | |
1036 | if (unlikely(IS_PRIVATE(inode))) | |
1037 | return 0; | |
f25fce3e | 1038 | return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); |
20510f2f | 1039 | } |
c9bccef6 | 1040 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 1041 | |
d6335d77 | 1042 | void security_inode_getsecid(struct inode *inode, u32 *secid) |
8a076191 | 1043 | { |
f25fce3e | 1044 | call_void_hook(inode_getsecid, inode, secid); |
8a076191 AD |
1045 | } |
1046 | ||
d8ad8b49 VG |
1047 | int security_inode_copy_up(struct dentry *src, struct cred **new) |
1048 | { | |
1049 | return call_int_hook(inode_copy_up, 0, src, new); | |
1050 | } | |
1051 | EXPORT_SYMBOL(security_inode_copy_up); | |
1052 | ||
121ab822 VG |
1053 | int security_inode_copy_up_xattr(const char *name) |
1054 | { | |
1055 | return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); | |
1056 | } | |
1057 | EXPORT_SYMBOL(security_inode_copy_up_xattr); | |
1058 | ||
20510f2f JM |
1059 | int security_file_permission(struct file *file, int mask) |
1060 | { | |
c4ec54b4 EP |
1061 | int ret; |
1062 | ||
f25fce3e | 1063 | ret = call_int_hook(file_permission, 0, file, mask); |
c4ec54b4 EP |
1064 | if (ret) |
1065 | return ret; | |
1066 | ||
1067 | return fsnotify_perm(file, mask); | |
20510f2f JM |
1068 | } |
1069 | ||
1070 | int security_file_alloc(struct file *file) | |
1071 | { | |
f25fce3e | 1072 | return call_int_hook(file_alloc_security, 0, file); |
20510f2f JM |
1073 | } |
1074 | ||
1075 | void security_file_free(struct file *file) | |
1076 | { | |
f25fce3e | 1077 | call_void_hook(file_free_security, file); |
20510f2f JM |
1078 | } |
1079 | ||
1080 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
1081 | { | |
f25fce3e | 1082 | return call_int_hook(file_ioctl, 0, file, cmd, arg); |
20510f2f JM |
1083 | } |
1084 | ||
98de59bf | 1085 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 1086 | { |
8b3ec681 | 1087 | /* |
98de59bf AV |
1088 | * Does we have PROT_READ and does the application expect |
1089 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 1090 | */ |
98de59bf AV |
1091 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
1092 | return prot; | |
8b3ec681 | 1093 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
1094 | return prot; |
1095 | /* | |
1096 | * if that's an anonymous mapping, let it. | |
1097 | */ | |
1098 | if (!file) | |
1099 | return prot | PROT_EXEC; | |
1100 | /* | |
1101 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 1102 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf | 1103 | */ |
90f8572b | 1104 | if (!path_noexec(&file->f_path)) { |
8b3ec681 | 1105 | #ifndef CONFIG_MMU |
b4caecd4 CH |
1106 | if (file->f_op->mmap_capabilities) { |
1107 | unsigned caps = file->f_op->mmap_capabilities(file); | |
1108 | if (!(caps & NOMMU_MAP_EXEC)) | |
1109 | return prot; | |
1110 | } | |
8b3ec681 | 1111 | #endif |
98de59bf | 1112 | return prot | PROT_EXEC; |
8b3ec681 | 1113 | } |
98de59bf AV |
1114 | /* anything on noexec mount won't get PROT_EXEC */ |
1115 | return prot; | |
1116 | } | |
1117 | ||
1118 | int security_mmap_file(struct file *file, unsigned long prot, | |
1119 | unsigned long flags) | |
1120 | { | |
1121 | int ret; | |
f25fce3e | 1122 | ret = call_int_hook(mmap_file, 0, file, prot, |
98de59bf | 1123 | mmap_prot(file, prot), flags); |
6c21a7fb MZ |
1124 | if (ret) |
1125 | return ret; | |
1126 | return ima_file_mmap(file, prot); | |
20510f2f JM |
1127 | } |
1128 | ||
e5467859 AV |
1129 | int security_mmap_addr(unsigned long addr) |
1130 | { | |
f25fce3e | 1131 | return call_int_hook(mmap_addr, 0, addr); |
e5467859 AV |
1132 | } |
1133 | ||
20510f2f JM |
1134 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
1135 | unsigned long prot) | |
1136 | { | |
f25fce3e | 1137 | return call_int_hook(file_mprotect, 0, vma, reqprot, prot); |
20510f2f JM |
1138 | } |
1139 | ||
1140 | int security_file_lock(struct file *file, unsigned int cmd) | |
1141 | { | |
f25fce3e | 1142 | return call_int_hook(file_lock, 0, file, cmd); |
20510f2f JM |
1143 | } |
1144 | ||
1145 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
1146 | { | |
f25fce3e | 1147 | return call_int_hook(file_fcntl, 0, file, cmd, arg); |
20510f2f JM |
1148 | } |
1149 | ||
e0b93edd | 1150 | void security_file_set_fowner(struct file *file) |
20510f2f | 1151 | { |
f25fce3e | 1152 | call_void_hook(file_set_fowner, file); |
20510f2f JM |
1153 | } |
1154 | ||
1155 | int security_file_send_sigiotask(struct task_struct *tsk, | |
1156 | struct fown_struct *fown, int sig) | |
1157 | { | |
f25fce3e | 1158 | return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); |
20510f2f JM |
1159 | } |
1160 | ||
1161 | int security_file_receive(struct file *file) | |
1162 | { | |
f25fce3e | 1163 | return call_int_hook(file_receive, 0, file); |
20510f2f JM |
1164 | } |
1165 | ||
e3f20ae2 | 1166 | int security_file_open(struct file *file) |
20510f2f | 1167 | { |
c4ec54b4 EP |
1168 | int ret; |
1169 | ||
94817692 | 1170 | ret = call_int_hook(file_open, 0, file); |
c4ec54b4 EP |
1171 | if (ret) |
1172 | return ret; | |
1173 | ||
1174 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
1175 | } |
1176 | ||
e4e55b47 TH |
1177 | int security_task_alloc(struct task_struct *task, unsigned long clone_flags) |
1178 | { | |
1179 | return call_int_hook(task_alloc, 0, task, clone_flags); | |
1180 | } | |
1181 | ||
1a2a4d06 KC |
1182 | void security_task_free(struct task_struct *task) |
1183 | { | |
f25fce3e | 1184 | call_void_hook(task_free, task); |
1a2a4d06 KC |
1185 | } |
1186 | ||
ee18d64c DH |
1187 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
1188 | { | |
f25fce3e | 1189 | return call_int_hook(cred_alloc_blank, 0, cred, gfp); |
ee18d64c DH |
1190 | } |
1191 | ||
d84f4f99 | 1192 | void security_cred_free(struct cred *cred) |
20510f2f | 1193 | { |
f25fce3e | 1194 | call_void_hook(cred_free, cred); |
20510f2f JM |
1195 | } |
1196 | ||
d84f4f99 | 1197 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 1198 | { |
f25fce3e | 1199 | return call_int_hook(cred_prepare, 0, new, old, gfp); |
d84f4f99 DH |
1200 | } |
1201 | ||
ee18d64c DH |
1202 | void security_transfer_creds(struct cred *new, const struct cred *old) |
1203 | { | |
f25fce3e | 1204 | call_void_hook(cred_transfer, new, old); |
ee18d64c DH |
1205 | } |
1206 | ||
3ec30113 MG |
1207 | void security_cred_getsecid(const struct cred *c, u32 *secid) |
1208 | { | |
1209 | *secid = 0; | |
1210 | call_void_hook(cred_getsecid, c, secid); | |
1211 | } | |
1212 | EXPORT_SYMBOL(security_cred_getsecid); | |
1213 | ||
3a3b7ce9 DH |
1214 | int security_kernel_act_as(struct cred *new, u32 secid) |
1215 | { | |
f25fce3e | 1216 | return call_int_hook(kernel_act_as, 0, new, secid); |
3a3b7ce9 DH |
1217 | } |
1218 | ||
1219 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
1220 | { | |
f25fce3e | 1221 | return call_int_hook(kernel_create_files_as, 0, new, inode); |
3a3b7ce9 DH |
1222 | } |
1223 | ||
dd8dbf2e | 1224 | int security_kernel_module_request(char *kmod_name) |
9188499c | 1225 | { |
6eb864c1 MK |
1226 | int ret; |
1227 | ||
1228 | ret = call_int_hook(kernel_module_request, 0, kmod_name); | |
1229 | if (ret) | |
1230 | return ret; | |
1231 | return integrity_kernel_module_request(kmod_name); | |
9188499c EP |
1232 | } |
1233 | ||
39eeb4fb MZ |
1234 | int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) |
1235 | { | |
1236 | int ret; | |
1237 | ||
1238 | ret = call_int_hook(kernel_read_file, 0, file, id); | |
1239 | if (ret) | |
1240 | return ret; | |
1241 | return ima_read_file(file, id); | |
1242 | } | |
1243 | EXPORT_SYMBOL_GPL(security_kernel_read_file); | |
1244 | ||
bc8ca5b9 MZ |
1245 | int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, |
1246 | enum kernel_read_file_id id) | |
b44a7dfc | 1247 | { |
cf222217 MZ |
1248 | int ret; |
1249 | ||
1250 | ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); | |
1251 | if (ret) | |
1252 | return ret; | |
1253 | return ima_post_read_file(file, buf, size, id); | |
b44a7dfc MZ |
1254 | } |
1255 | EXPORT_SYMBOL_GPL(security_kernel_post_read_file); | |
1256 | ||
377179cd MZ |
1257 | int security_kernel_load_data(enum kernel_load_data_id id) |
1258 | { | |
16c267aa MZ |
1259 | int ret; |
1260 | ||
1261 | ret = call_int_hook(kernel_load_data, 0, id); | |
1262 | if (ret) | |
1263 | return ret; | |
1264 | return ima_load_data(id); | |
377179cd | 1265 | } |
83a68a06 | 1266 | EXPORT_SYMBOL_GPL(security_kernel_load_data); |
377179cd | 1267 | |
d84f4f99 DH |
1268 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
1269 | int flags) | |
20510f2f | 1270 | { |
f25fce3e | 1271 | return call_int_hook(task_fix_setuid, 0, new, old, flags); |
20510f2f JM |
1272 | } |
1273 | ||
20510f2f JM |
1274 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
1275 | { | |
f25fce3e | 1276 | return call_int_hook(task_setpgid, 0, p, pgid); |
20510f2f JM |
1277 | } |
1278 | ||
1279 | int security_task_getpgid(struct task_struct *p) | |
1280 | { | |
f25fce3e | 1281 | return call_int_hook(task_getpgid, 0, p); |
20510f2f JM |
1282 | } |
1283 | ||
1284 | int security_task_getsid(struct task_struct *p) | |
1285 | { | |
f25fce3e | 1286 | return call_int_hook(task_getsid, 0, p); |
20510f2f JM |
1287 | } |
1288 | ||
1289 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
1290 | { | |
b1d9e6b0 | 1291 | *secid = 0; |
f25fce3e | 1292 | call_void_hook(task_getsecid, p, secid); |
20510f2f JM |
1293 | } |
1294 | EXPORT_SYMBOL(security_task_getsecid); | |
1295 | ||
20510f2f JM |
1296 | int security_task_setnice(struct task_struct *p, int nice) |
1297 | { | |
f25fce3e | 1298 | return call_int_hook(task_setnice, 0, p, nice); |
20510f2f JM |
1299 | } |
1300 | ||
1301 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
1302 | { | |
f25fce3e | 1303 | return call_int_hook(task_setioprio, 0, p, ioprio); |
20510f2f JM |
1304 | } |
1305 | ||
1306 | int security_task_getioprio(struct task_struct *p) | |
1307 | { | |
f25fce3e | 1308 | return call_int_hook(task_getioprio, 0, p); |
20510f2f JM |
1309 | } |
1310 | ||
791ec491 SS |
1311 | int security_task_prlimit(const struct cred *cred, const struct cred *tcred, |
1312 | unsigned int flags) | |
1313 | { | |
1314 | return call_int_hook(task_prlimit, 0, cred, tcred, flags); | |
1315 | } | |
1316 | ||
8fd00b4d JS |
1317 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
1318 | struct rlimit *new_rlim) | |
20510f2f | 1319 | { |
f25fce3e | 1320 | return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); |
20510f2f JM |
1321 | } |
1322 | ||
b0ae1981 | 1323 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 1324 | { |
f25fce3e | 1325 | return call_int_hook(task_setscheduler, 0, p); |
20510f2f JM |
1326 | } |
1327 | ||
1328 | int security_task_getscheduler(struct task_struct *p) | |
1329 | { | |
f25fce3e | 1330 | return call_int_hook(task_getscheduler, 0, p); |
20510f2f JM |
1331 | } |
1332 | ||
1333 | int security_task_movememory(struct task_struct *p) | |
1334 | { | |
f25fce3e | 1335 | return call_int_hook(task_movememory, 0, p); |
20510f2f JM |
1336 | } |
1337 | ||
ae7795bc | 1338 | int security_task_kill(struct task_struct *p, struct kernel_siginfo *info, |
6b4f3d01 | 1339 | int sig, const struct cred *cred) |
20510f2f | 1340 | { |
6b4f3d01 | 1341 | return call_int_hook(task_kill, 0, p, info, sig, cred); |
20510f2f JM |
1342 | } |
1343 | ||
20510f2f | 1344 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
d84f4f99 | 1345 | unsigned long arg4, unsigned long arg5) |
20510f2f | 1346 | { |
b1d9e6b0 CS |
1347 | int thisrc; |
1348 | int rc = -ENOSYS; | |
1349 | struct security_hook_list *hp; | |
1350 | ||
df0ce173 | 1351 | hlist_for_each_entry(hp, &security_hook_heads.task_prctl, list) { |
b1d9e6b0 CS |
1352 | thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); |
1353 | if (thisrc != -ENOSYS) { | |
1354 | rc = thisrc; | |
1355 | if (thisrc != 0) | |
1356 | break; | |
1357 | } | |
1358 | } | |
1359 | return rc; | |
20510f2f JM |
1360 | } |
1361 | ||
1362 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
1363 | { | |
f25fce3e | 1364 | call_void_hook(task_to_inode, p, inode); |
20510f2f JM |
1365 | } |
1366 | ||
1367 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
1368 | { | |
f25fce3e | 1369 | return call_int_hook(ipc_permission, 0, ipcp, flag); |
20510f2f JM |
1370 | } |
1371 | ||
8a076191 AD |
1372 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
1373 | { | |
b1d9e6b0 | 1374 | *secid = 0; |
f25fce3e | 1375 | call_void_hook(ipc_getsecid, ipcp, secid); |
8a076191 AD |
1376 | } |
1377 | ||
20510f2f JM |
1378 | int security_msg_msg_alloc(struct msg_msg *msg) |
1379 | { | |
f25fce3e | 1380 | return call_int_hook(msg_msg_alloc_security, 0, msg); |
20510f2f JM |
1381 | } |
1382 | ||
1383 | void security_msg_msg_free(struct msg_msg *msg) | |
1384 | { | |
f25fce3e | 1385 | call_void_hook(msg_msg_free_security, msg); |
20510f2f JM |
1386 | } |
1387 | ||
d8c6e854 | 1388 | int security_msg_queue_alloc(struct kern_ipc_perm *msq) |
20510f2f | 1389 | { |
f25fce3e | 1390 | return call_int_hook(msg_queue_alloc_security, 0, msq); |
20510f2f JM |
1391 | } |
1392 | ||
d8c6e854 | 1393 | void security_msg_queue_free(struct kern_ipc_perm *msq) |
20510f2f | 1394 | { |
f25fce3e | 1395 | call_void_hook(msg_queue_free_security, msq); |
20510f2f JM |
1396 | } |
1397 | ||
d8c6e854 | 1398 | int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg) |
20510f2f | 1399 | { |
f25fce3e | 1400 | return call_int_hook(msg_queue_associate, 0, msq, msqflg); |
20510f2f JM |
1401 | } |
1402 | ||
d8c6e854 | 1403 | int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd) |
20510f2f | 1404 | { |
f25fce3e | 1405 | return call_int_hook(msg_queue_msgctl, 0, msq, cmd); |
20510f2f JM |
1406 | } |
1407 | ||
d8c6e854 | 1408 | int security_msg_queue_msgsnd(struct kern_ipc_perm *msq, |
20510f2f JM |
1409 | struct msg_msg *msg, int msqflg) |
1410 | { | |
f25fce3e | 1411 | return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); |
20510f2f JM |
1412 | } |
1413 | ||
d8c6e854 | 1414 | int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg, |
20510f2f JM |
1415 | struct task_struct *target, long type, int mode) |
1416 | { | |
f25fce3e | 1417 | return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); |
20510f2f JM |
1418 | } |
1419 | ||
7191adff | 1420 | int security_shm_alloc(struct kern_ipc_perm *shp) |
20510f2f | 1421 | { |
f25fce3e | 1422 | return call_int_hook(shm_alloc_security, 0, shp); |
20510f2f JM |
1423 | } |
1424 | ||
7191adff | 1425 | void security_shm_free(struct kern_ipc_perm *shp) |
20510f2f | 1426 | { |
f25fce3e | 1427 | call_void_hook(shm_free_security, shp); |
20510f2f JM |
1428 | } |
1429 | ||
7191adff | 1430 | int security_shm_associate(struct kern_ipc_perm *shp, int shmflg) |
20510f2f | 1431 | { |
f25fce3e | 1432 | return call_int_hook(shm_associate, 0, shp, shmflg); |
20510f2f JM |
1433 | } |
1434 | ||
7191adff | 1435 | int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd) |
20510f2f | 1436 | { |
f25fce3e | 1437 | return call_int_hook(shm_shmctl, 0, shp, cmd); |
20510f2f JM |
1438 | } |
1439 | ||
7191adff | 1440 | int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg) |
20510f2f | 1441 | { |
f25fce3e | 1442 | return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); |
20510f2f JM |
1443 | } |
1444 | ||
aefad959 | 1445 | int security_sem_alloc(struct kern_ipc_perm *sma) |
20510f2f | 1446 | { |
f25fce3e | 1447 | return call_int_hook(sem_alloc_security, 0, sma); |
20510f2f JM |
1448 | } |
1449 | ||
aefad959 | 1450 | void security_sem_free(struct kern_ipc_perm *sma) |
20510f2f | 1451 | { |
f25fce3e | 1452 | call_void_hook(sem_free_security, sma); |
20510f2f JM |
1453 | } |
1454 | ||
aefad959 | 1455 | int security_sem_associate(struct kern_ipc_perm *sma, int semflg) |
20510f2f | 1456 | { |
f25fce3e | 1457 | return call_int_hook(sem_associate, 0, sma, semflg); |
20510f2f JM |
1458 | } |
1459 | ||
aefad959 | 1460 | int security_sem_semctl(struct kern_ipc_perm *sma, int cmd) |
20510f2f | 1461 | { |
f25fce3e | 1462 | return call_int_hook(sem_semctl, 0, sma, cmd); |
20510f2f JM |
1463 | } |
1464 | ||
aefad959 | 1465 | int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops, |
20510f2f JM |
1466 | unsigned nsops, int alter) |
1467 | { | |
f25fce3e | 1468 | return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); |
20510f2f JM |
1469 | } |
1470 | ||
1471 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1472 | { | |
1473 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1474 | return; | |
f25fce3e | 1475 | call_void_hook(d_instantiate, dentry, inode); |
20510f2f JM |
1476 | } |
1477 | EXPORT_SYMBOL(security_d_instantiate); | |
1478 | ||
1479 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1480 | { | |
b1d9e6b0 | 1481 | return call_int_hook(getprocattr, -EINVAL, p, name, value); |
20510f2f JM |
1482 | } |
1483 | ||
b21507e2 | 1484 | int security_setprocattr(const char *name, void *value, size_t size) |
20510f2f | 1485 | { |
b21507e2 | 1486 | return call_int_hook(setprocattr, -EINVAL, name, value, size); |
20510f2f JM |
1487 | } |
1488 | ||
1489 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1490 | { | |
f25fce3e | 1491 | return call_int_hook(netlink_send, 0, sk, skb); |
20510f2f | 1492 | } |
20510f2f | 1493 | |
746df9b5 DQ |
1494 | int security_ismaclabel(const char *name) |
1495 | { | |
f25fce3e | 1496 | return call_int_hook(ismaclabel, 0, name); |
746df9b5 DQ |
1497 | } |
1498 | EXPORT_SYMBOL(security_ismaclabel); | |
1499 | ||
20510f2f JM |
1500 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1501 | { | |
b1d9e6b0 CS |
1502 | return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, |
1503 | seclen); | |
20510f2f JM |
1504 | } |
1505 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1506 | ||
7bf570dc | 1507 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 | 1508 | { |
b1d9e6b0 | 1509 | *secid = 0; |
f25fce3e | 1510 | return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); |
63cb3449 DH |
1511 | } |
1512 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1513 | ||
20510f2f JM |
1514 | void security_release_secctx(char *secdata, u32 seclen) |
1515 | { | |
f25fce3e | 1516 | call_void_hook(release_secctx, secdata, seclen); |
20510f2f JM |
1517 | } |
1518 | EXPORT_SYMBOL(security_release_secctx); | |
1519 | ||
6f3be9f5 AG |
1520 | void security_inode_invalidate_secctx(struct inode *inode) |
1521 | { | |
1522 | call_void_hook(inode_invalidate_secctx, inode); | |
1523 | } | |
1524 | EXPORT_SYMBOL(security_inode_invalidate_secctx); | |
1525 | ||
1ee65e37 DQ |
1526 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1527 | { | |
f25fce3e | 1528 | return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); |
1ee65e37 DQ |
1529 | } |
1530 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1531 | ||
1532 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1533 | { | |
f25fce3e | 1534 | return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); |
1ee65e37 DQ |
1535 | } |
1536 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1537 | ||
1538 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1539 | { | |
b1d9e6b0 | 1540 | return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); |
1ee65e37 DQ |
1541 | } |
1542 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1543 | ||
20510f2f JM |
1544 | #ifdef CONFIG_SECURITY_NETWORK |
1545 | ||
3610cda5 | 1546 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f | 1547 | { |
f25fce3e | 1548 | return call_int_hook(unix_stream_connect, 0, sock, other, newsk); |
20510f2f JM |
1549 | } |
1550 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1551 | ||
1552 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1553 | { | |
f25fce3e | 1554 | return call_int_hook(unix_may_send, 0, sock, other); |
20510f2f JM |
1555 | } |
1556 | EXPORT_SYMBOL(security_unix_may_send); | |
1557 | ||
1558 | int security_socket_create(int family, int type, int protocol, int kern) | |
1559 | { | |
f25fce3e | 1560 | return call_int_hook(socket_create, 0, family, type, protocol, kern); |
20510f2f JM |
1561 | } |
1562 | ||
1563 | int security_socket_post_create(struct socket *sock, int family, | |
1564 | int type, int protocol, int kern) | |
1565 | { | |
f25fce3e | 1566 | return call_int_hook(socket_post_create, 0, sock, family, type, |
20510f2f JM |
1567 | protocol, kern); |
1568 | } | |
1569 | ||
aae7cfcb DH |
1570 | int security_socket_socketpair(struct socket *socka, struct socket *sockb) |
1571 | { | |
1572 | return call_int_hook(socket_socketpair, 0, socka, sockb); | |
1573 | } | |
1574 | EXPORT_SYMBOL(security_socket_socketpair); | |
1575 | ||
20510f2f JM |
1576 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) |
1577 | { | |
f25fce3e | 1578 | return call_int_hook(socket_bind, 0, sock, address, addrlen); |
20510f2f JM |
1579 | } |
1580 | ||
1581 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1582 | { | |
f25fce3e | 1583 | return call_int_hook(socket_connect, 0, sock, address, addrlen); |
20510f2f JM |
1584 | } |
1585 | ||
1586 | int security_socket_listen(struct socket *sock, int backlog) | |
1587 | { | |
f25fce3e | 1588 | return call_int_hook(socket_listen, 0, sock, backlog); |
20510f2f JM |
1589 | } |
1590 | ||
1591 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1592 | { | |
f25fce3e | 1593 | return call_int_hook(socket_accept, 0, sock, newsock); |
20510f2f JM |
1594 | } |
1595 | ||
20510f2f JM |
1596 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1597 | { | |
f25fce3e | 1598 | return call_int_hook(socket_sendmsg, 0, sock, msg, size); |
20510f2f JM |
1599 | } |
1600 | ||
1601 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1602 | int size, int flags) | |
1603 | { | |
f25fce3e | 1604 | return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); |
20510f2f JM |
1605 | } |
1606 | ||
1607 | int security_socket_getsockname(struct socket *sock) | |
1608 | { | |
f25fce3e | 1609 | return call_int_hook(socket_getsockname, 0, sock); |
20510f2f JM |
1610 | } |
1611 | ||
1612 | int security_socket_getpeername(struct socket *sock) | |
1613 | { | |
f25fce3e | 1614 | return call_int_hook(socket_getpeername, 0, sock); |
20510f2f JM |
1615 | } |
1616 | ||
1617 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1618 | { | |
f25fce3e | 1619 | return call_int_hook(socket_getsockopt, 0, sock, level, optname); |
20510f2f JM |
1620 | } |
1621 | ||
1622 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1623 | { | |
f25fce3e | 1624 | return call_int_hook(socket_setsockopt, 0, sock, level, optname); |
20510f2f JM |
1625 | } |
1626 | ||
1627 | int security_socket_shutdown(struct socket *sock, int how) | |
1628 | { | |
f25fce3e | 1629 | return call_int_hook(socket_shutdown, 0, sock, how); |
20510f2f JM |
1630 | } |
1631 | ||
1632 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1633 | { | |
f25fce3e | 1634 | return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); |
20510f2f JM |
1635 | } |
1636 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1637 | ||
1638 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1639 | int __user *optlen, unsigned len) | |
1640 | { | |
b1d9e6b0 CS |
1641 | return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, |
1642 | optval, optlen, len); | |
20510f2f JM |
1643 | } |
1644 | ||
1645 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1646 | { | |
e308fd3b JB |
1647 | return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, |
1648 | skb, secid); | |
20510f2f JM |
1649 | } |
1650 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1651 | ||
1652 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1653 | { | |
f25fce3e | 1654 | return call_int_hook(sk_alloc_security, 0, sk, family, priority); |
20510f2f JM |
1655 | } |
1656 | ||
1657 | void security_sk_free(struct sock *sk) | |
1658 | { | |
f25fce3e | 1659 | call_void_hook(sk_free_security, sk); |
20510f2f JM |
1660 | } |
1661 | ||
1662 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1663 | { | |
f25fce3e | 1664 | call_void_hook(sk_clone_security, sk, newsk); |
20510f2f | 1665 | } |
6230c9b4 | 1666 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1667 | |
1668 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1669 | { | |
f25fce3e | 1670 | call_void_hook(sk_getsecid, sk, &fl->flowi_secid); |
20510f2f JM |
1671 | } |
1672 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1673 | ||
1674 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1675 | { | |
f25fce3e | 1676 | call_void_hook(req_classify_flow, req, fl); |
20510f2f JM |
1677 | } |
1678 | EXPORT_SYMBOL(security_req_classify_flow); | |
1679 | ||
1680 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1681 | { | |
f25fce3e | 1682 | call_void_hook(sock_graft, sk, parent); |
20510f2f JM |
1683 | } |
1684 | EXPORT_SYMBOL(security_sock_graft); | |
1685 | ||
1686 | int security_inet_conn_request(struct sock *sk, | |
1687 | struct sk_buff *skb, struct request_sock *req) | |
1688 | { | |
f25fce3e | 1689 | return call_int_hook(inet_conn_request, 0, sk, skb, req); |
20510f2f JM |
1690 | } |
1691 | EXPORT_SYMBOL(security_inet_conn_request); | |
1692 | ||
1693 | void security_inet_csk_clone(struct sock *newsk, | |
1694 | const struct request_sock *req) | |
1695 | { | |
f25fce3e | 1696 | call_void_hook(inet_csk_clone, newsk, req); |
20510f2f JM |
1697 | } |
1698 | ||
1699 | void security_inet_conn_established(struct sock *sk, | |
1700 | struct sk_buff *skb) | |
1701 | { | |
f25fce3e | 1702 | call_void_hook(inet_conn_established, sk, skb); |
20510f2f | 1703 | } |
72e89f50 | 1704 | EXPORT_SYMBOL(security_inet_conn_established); |
20510f2f | 1705 | |
2606fd1f EP |
1706 | int security_secmark_relabel_packet(u32 secid) |
1707 | { | |
f25fce3e | 1708 | return call_int_hook(secmark_relabel_packet, 0, secid); |
2606fd1f EP |
1709 | } |
1710 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1711 | ||
1712 | void security_secmark_refcount_inc(void) | |
1713 | { | |
f25fce3e | 1714 | call_void_hook(secmark_refcount_inc); |
2606fd1f EP |
1715 | } |
1716 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1717 | ||
1718 | void security_secmark_refcount_dec(void) | |
1719 | { | |
f25fce3e | 1720 | call_void_hook(secmark_refcount_dec); |
2606fd1f EP |
1721 | } |
1722 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1723 | ||
5dbbaf2d PM |
1724 | int security_tun_dev_alloc_security(void **security) |
1725 | { | |
f25fce3e | 1726 | return call_int_hook(tun_dev_alloc_security, 0, security); |
5dbbaf2d PM |
1727 | } |
1728 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1729 | ||
1730 | void security_tun_dev_free_security(void *security) | |
1731 | { | |
f25fce3e | 1732 | call_void_hook(tun_dev_free_security, security); |
5dbbaf2d PM |
1733 | } |
1734 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1735 | ||
2b980dbd PM |
1736 | int security_tun_dev_create(void) |
1737 | { | |
f25fce3e | 1738 | return call_int_hook(tun_dev_create, 0); |
2b980dbd PM |
1739 | } |
1740 | EXPORT_SYMBOL(security_tun_dev_create); | |
1741 | ||
5dbbaf2d | 1742 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1743 | { |
f25fce3e | 1744 | return call_int_hook(tun_dev_attach_queue, 0, security); |
2b980dbd | 1745 | } |
5dbbaf2d | 1746 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1747 | |
5dbbaf2d | 1748 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1749 | { |
f25fce3e | 1750 | return call_int_hook(tun_dev_attach, 0, sk, security); |
2b980dbd PM |
1751 | } |
1752 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1753 | ||
5dbbaf2d PM |
1754 | int security_tun_dev_open(void *security) |
1755 | { | |
f25fce3e | 1756 | return call_int_hook(tun_dev_open, 0, security); |
5dbbaf2d PM |
1757 | } |
1758 | EXPORT_SYMBOL(security_tun_dev_open); | |
1759 | ||
72e89f50 RH |
1760 | int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb) |
1761 | { | |
1762 | return call_int_hook(sctp_assoc_request, 0, ep, skb); | |
1763 | } | |
1764 | EXPORT_SYMBOL(security_sctp_assoc_request); | |
1765 | ||
1766 | int security_sctp_bind_connect(struct sock *sk, int optname, | |
1767 | struct sockaddr *address, int addrlen) | |
1768 | { | |
1769 | return call_int_hook(sctp_bind_connect, 0, sk, optname, | |
1770 | address, addrlen); | |
1771 | } | |
1772 | EXPORT_SYMBOL(security_sctp_bind_connect); | |
1773 | ||
1774 | void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk, | |
1775 | struct sock *newsk) | |
1776 | { | |
1777 | call_void_hook(sctp_sk_clone, ep, sk, newsk); | |
1778 | } | |
1779 | EXPORT_SYMBOL(security_sctp_sk_clone); | |
1780 | ||
20510f2f JM |
1781 | #endif /* CONFIG_SECURITY_NETWORK */ |
1782 | ||
d291f1a6 DJ |
1783 | #ifdef CONFIG_SECURITY_INFINIBAND |
1784 | ||
1785 | int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey) | |
1786 | { | |
1787 | return call_int_hook(ib_pkey_access, 0, sec, subnet_prefix, pkey); | |
1788 | } | |
1789 | EXPORT_SYMBOL(security_ib_pkey_access); | |
1790 | ||
47a2b338 DJ |
1791 | int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num) |
1792 | { | |
1793 | return call_int_hook(ib_endport_manage_subnet, 0, sec, dev_name, port_num); | |
1794 | } | |
1795 | EXPORT_SYMBOL(security_ib_endport_manage_subnet); | |
1796 | ||
d291f1a6 DJ |
1797 | int security_ib_alloc_security(void **sec) |
1798 | { | |
1799 | return call_int_hook(ib_alloc_security, 0, sec); | |
1800 | } | |
1801 | EXPORT_SYMBOL(security_ib_alloc_security); | |
1802 | ||
1803 | void security_ib_free_security(void *sec) | |
1804 | { | |
1805 | call_void_hook(ib_free_security, sec); | |
1806 | } | |
1807 | EXPORT_SYMBOL(security_ib_free_security); | |
1808 | #endif /* CONFIG_SECURITY_INFINIBAND */ | |
1809 | ||
20510f2f JM |
1810 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1811 | ||
52a4c640 NA |
1812 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1813 | struct xfrm_user_sec_ctx *sec_ctx, | |
1814 | gfp_t gfp) | |
20510f2f | 1815 | { |
f25fce3e | 1816 | return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); |
20510f2f JM |
1817 | } |
1818 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1819 | ||
03e1ad7b PM |
1820 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1821 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1822 | { |
f25fce3e | 1823 | return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); |
20510f2f JM |
1824 | } |
1825 | ||
03e1ad7b | 1826 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1827 | { |
f25fce3e | 1828 | call_void_hook(xfrm_policy_free_security, ctx); |
20510f2f JM |
1829 | } |
1830 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1831 | ||
03e1ad7b | 1832 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1833 | { |
f25fce3e | 1834 | return call_int_hook(xfrm_policy_delete_security, 0, ctx); |
20510f2f JM |
1835 | } |
1836 | ||
2e5aa866 PM |
1837 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1838 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1839 | { |
f25fce3e | 1840 | return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); |
20510f2f JM |
1841 | } |
1842 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1843 | ||
1844 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1845 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1846 | { | |
f25fce3e | 1847 | return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); |
20510f2f JM |
1848 | } |
1849 | ||
1850 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1851 | { | |
f25fce3e | 1852 | return call_int_hook(xfrm_state_delete_security, 0, x); |
20510f2f JM |
1853 | } |
1854 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1855 | ||
1856 | void security_xfrm_state_free(struct xfrm_state *x) | |
1857 | { | |
f25fce3e | 1858 | call_void_hook(xfrm_state_free_security, x); |
20510f2f JM |
1859 | } |
1860 | ||
03e1ad7b | 1861 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1862 | { |
f25fce3e | 1863 | return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); |
20510f2f JM |
1864 | } |
1865 | ||
1866 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1867 | struct xfrm_policy *xp, |
1868 | const struct flowi *fl) | |
20510f2f | 1869 | { |
b1d9e6b0 CS |
1870 | struct security_hook_list *hp; |
1871 | int rc = 1; | |
1872 | ||
1873 | /* | |
1874 | * Since this function is expected to return 0 or 1, the judgment | |
1875 | * becomes difficult if multiple LSMs supply this call. Fortunately, | |
1876 | * we can use the first LSM's judgment because currently only SELinux | |
1877 | * supplies this call. | |
1878 | * | |
1879 | * For speed optimization, we explicitly break the loop rather than | |
1880 | * using the macro | |
1881 | */ | |
df0ce173 | 1882 | hlist_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, |
b1d9e6b0 CS |
1883 | list) { |
1884 | rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); | |
1885 | break; | |
1886 | } | |
1887 | return rc; | |
20510f2f JM |
1888 | } |
1889 | ||
1890 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1891 | { | |
f25fce3e | 1892 | return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); |
20510f2f JM |
1893 | } |
1894 | ||
1895 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1896 | { | |
f25fce3e CS |
1897 | int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, |
1898 | 0); | |
20510f2f JM |
1899 | |
1900 | BUG_ON(rc); | |
1901 | } | |
1902 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1903 | ||
1904 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1905 | ||
1906 | #ifdef CONFIG_KEYS | |
1907 | ||
d84f4f99 DH |
1908 | int security_key_alloc(struct key *key, const struct cred *cred, |
1909 | unsigned long flags) | |
20510f2f | 1910 | { |
f25fce3e | 1911 | return call_int_hook(key_alloc, 0, key, cred, flags); |
20510f2f JM |
1912 | } |
1913 | ||
1914 | void security_key_free(struct key *key) | |
1915 | { | |
f25fce3e | 1916 | call_void_hook(key_free, key); |
20510f2f JM |
1917 | } |
1918 | ||
1919 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1920 | const struct cred *cred, unsigned perm) |
20510f2f | 1921 | { |
f25fce3e | 1922 | return call_int_hook(key_permission, 0, key_ref, cred, perm); |
20510f2f JM |
1923 | } |
1924 | ||
70a5bb72 DH |
1925 | int security_key_getsecurity(struct key *key, char **_buffer) |
1926 | { | |
b1d9e6b0 | 1927 | *_buffer = NULL; |
f25fce3e | 1928 | return call_int_hook(key_getsecurity, 0, key, _buffer); |
70a5bb72 DH |
1929 | } |
1930 | ||
20510f2f | 1931 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1932 | |
1933 | #ifdef CONFIG_AUDIT | |
1934 | ||
1935 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1936 | { | |
f25fce3e | 1937 | return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); |
03d37d25 AD |
1938 | } |
1939 | ||
1940 | int security_audit_rule_known(struct audit_krule *krule) | |
1941 | { | |
f25fce3e | 1942 | return call_int_hook(audit_rule_known, 0, krule); |
03d37d25 AD |
1943 | } |
1944 | ||
1945 | void security_audit_rule_free(void *lsmrule) | |
1946 | { | |
f25fce3e | 1947 | call_void_hook(audit_rule_free, lsmrule); |
03d37d25 AD |
1948 | } |
1949 | ||
1950 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1951 | struct audit_context *actx) | |
1952 | { | |
f25fce3e CS |
1953 | return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, |
1954 | actx); | |
03d37d25 | 1955 | } |
b1d9e6b0 | 1956 | #endif /* CONFIG_AUDIT */ |
afdb09c7 CF |
1957 | |
1958 | #ifdef CONFIG_BPF_SYSCALL | |
1959 | int security_bpf(int cmd, union bpf_attr *attr, unsigned int size) | |
1960 | { | |
1961 | return call_int_hook(bpf, 0, cmd, attr, size); | |
1962 | } | |
1963 | int security_bpf_map(struct bpf_map *map, fmode_t fmode) | |
1964 | { | |
1965 | return call_int_hook(bpf_map, 0, map, fmode); | |
1966 | } | |
1967 | int security_bpf_prog(struct bpf_prog *prog) | |
1968 | { | |
1969 | return call_int_hook(bpf_prog, 0, prog); | |
1970 | } | |
1971 | int security_bpf_map_alloc(struct bpf_map *map) | |
1972 | { | |
1973 | return call_int_hook(bpf_map_alloc_security, 0, map); | |
1974 | } | |
1975 | int security_bpf_prog_alloc(struct bpf_prog_aux *aux) | |
1976 | { | |
1977 | return call_int_hook(bpf_prog_alloc_security, 0, aux); | |
1978 | } | |
1979 | void security_bpf_map_free(struct bpf_map *map) | |
1980 | { | |
1981 | call_void_hook(bpf_map_free_security, map); | |
1982 | } | |
1983 | void security_bpf_prog_free(struct bpf_prog_aux *aux) | |
1984 | { | |
1985 | call_void_hook(bpf_prog_free_security, aux); | |
1986 | } | |
1987 | #endif /* CONFIG_BPF_SYSCALL */ |