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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; | |
52 | ||
9b8c7c14 KC |
53 | static __initdata bool debug; |
54 | #define init_debug(...) \ | |
55 | do { \ | |
56 | if (debug) \ | |
57 | pr_info(__VA_ARGS__); \ | |
58 | } while (0) | |
59 | ||
f4941d75 KC |
60 | static bool __init is_enabled(struct lsm_info *lsm) |
61 | { | |
a8027fb0 KC |
62 | if (!lsm->enabled) |
63 | return false; | |
f4941d75 | 64 | |
a8027fb0 | 65 | return *lsm->enabled; |
f4941d75 KC |
66 | } |
67 | ||
68 | /* Mark an LSM's enabled flag. */ | |
69 | static int lsm_enabled_true __initdata = 1; | |
70 | static int lsm_enabled_false __initdata = 0; | |
71 | static void __init set_enabled(struct lsm_info *lsm, bool enabled) | |
72 | { | |
73 | /* | |
74 | * When an LSM hasn't configured an enable variable, we can use | |
75 | * a hard-coded location for storing the default enabled state. | |
76 | */ | |
77 | if (!lsm->enabled) { | |
78 | if (enabled) | |
79 | lsm->enabled = &lsm_enabled_true; | |
80 | else | |
81 | lsm->enabled = &lsm_enabled_false; | |
82 | } else if (lsm->enabled == &lsm_enabled_true) { | |
83 | if (!enabled) | |
84 | lsm->enabled = &lsm_enabled_false; | |
85 | } else if (lsm->enabled == &lsm_enabled_false) { | |
86 | if (enabled) | |
87 | lsm->enabled = &lsm_enabled_true; | |
88 | } else { | |
89 | *lsm->enabled = enabled; | |
90 | } | |
91 | } | |
92 | ||
2d4d5119 KC |
93 | /* Is an LSM already listed in the ordered LSMs list? */ |
94 | static bool __init exists_ordered_lsm(struct lsm_info *lsm) | |
95 | { | |
96 | struct lsm_info **check; | |
97 | ||
98 | for (check = ordered_lsms; *check; check++) | |
99 | if (*check == lsm) | |
100 | return true; | |
101 | ||
102 | return false; | |
103 | } | |
104 | ||
105 | /* Append an LSM to the list of ordered LSMs to initialize. */ | |
106 | static int last_lsm __initdata; | |
107 | static void __init append_ordered_lsm(struct lsm_info *lsm, const char *from) | |
108 | { | |
109 | /* Ignore duplicate selections. */ | |
110 | if (exists_ordered_lsm(lsm)) | |
111 | return; | |
112 | ||
113 | if (WARN(last_lsm == LSM_COUNT, "%s: out of LSM slots!?\n", from)) | |
114 | return; | |
115 | ||
a8027fb0 KC |
116 | /* Enable this LSM, if it is not already set. */ |
117 | if (!lsm->enabled) | |
118 | lsm->enabled = &lsm_enabled_true; | |
2d4d5119 | 119 | ordered_lsms[last_lsm++] = lsm; |
a8027fb0 | 120 | |
2d4d5119 KC |
121 | init_debug("%s ordering: %s (%sabled)\n", from, lsm->name, |
122 | is_enabled(lsm) ? "en" : "dis"); | |
123 | } | |
124 | ||
f4941d75 KC |
125 | /* Is an LSM allowed to be initialized? */ |
126 | static bool __init lsm_allowed(struct lsm_info *lsm) | |
127 | { | |
128 | /* Skip if the LSM is disabled. */ | |
129 | if (!is_enabled(lsm)) | |
130 | return false; | |
131 | ||
f4941d75 KC |
132 | return true; |
133 | } | |
134 | ||
135 | /* Check if LSM should be initialized. */ | |
136 | static void __init maybe_initialize_lsm(struct lsm_info *lsm) | |
137 | { | |
138 | int enabled = lsm_allowed(lsm); | |
139 | ||
140 | /* Record enablement (to handle any following exclusive LSMs). */ | |
141 | set_enabled(lsm, enabled); | |
142 | ||
143 | /* If selected, initialize the LSM. */ | |
144 | if (enabled) { | |
145 | int ret; | |
146 | ||
147 | init_debug("initializing %s\n", lsm->name); | |
148 | ret = lsm->init(); | |
149 | WARN(ret, "%s failed to initialize: %d\n", lsm->name, ret); | |
150 | } | |
151 | } | |
152 | ||
13e735c0 | 153 | /* Populate ordered LSMs list from comma-separated LSM name list. */ |
2d4d5119 | 154 | static void __init ordered_lsm_parse(const char *order, const char *origin) |
657d910b KC |
155 | { |
156 | struct lsm_info *lsm; | |
13e735c0 KC |
157 | char *sep, *name, *next; |
158 | ||
7e611486 | 159 | /* Process "security=", if given. */ |
5ef4e419 KC |
160 | if (!chosen_major_lsm) |
161 | chosen_major_lsm = CONFIG_DEFAULT_SECURITY; | |
7e611486 KC |
162 | if (chosen_major_lsm) { |
163 | struct lsm_info *major; | |
164 | ||
165 | /* | |
166 | * To match the original "security=" behavior, this | |
167 | * explicitly does NOT fallback to another Legacy Major | |
168 | * if the selected one was separately disabled: disable | |
169 | * all non-matching Legacy Major LSMs. | |
170 | */ | |
171 | for (major = __start_lsm_info; major < __end_lsm_info; | |
172 | major++) { | |
173 | if ((major->flags & LSM_FLAG_LEGACY_MAJOR) && | |
174 | strcmp(major->name, chosen_major_lsm) != 0) { | |
175 | set_enabled(major, false); | |
176 | init_debug("security=%s disabled: %s\n", | |
177 | chosen_major_lsm, major->name); | |
178 | } | |
179 | } | |
180 | } | |
5ef4e419 | 181 | |
13e735c0 KC |
182 | sep = kstrdup(order, GFP_KERNEL); |
183 | next = sep; | |
184 | /* Walk the list, looking for matching LSMs. */ | |
185 | while ((name = strsep(&next, ",")) != NULL) { | |
186 | bool found = false; | |
187 | ||
188 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
189 | if ((lsm->flags & LSM_FLAG_LEGACY_MAJOR) == 0 && | |
190 | strcmp(lsm->name, name) == 0) { | |
191 | append_ordered_lsm(lsm, origin); | |
192 | found = true; | |
193 | } | |
194 | } | |
195 | ||
196 | if (!found) | |
197 | init_debug("%s ignored: %s\n", origin, name); | |
657d910b | 198 | } |
13e735c0 | 199 | kfree(sep); |
657d910b KC |
200 | } |
201 | ||
2d4d5119 KC |
202 | static void __init ordered_lsm_init(void) |
203 | { | |
204 | struct lsm_info **lsm; | |
205 | ||
206 | ordered_lsms = kcalloc(LSM_COUNT + 1, sizeof(*ordered_lsms), | |
207 | GFP_KERNEL); | |
208 | ||
79f7865d KC |
209 | if (chosen_lsm_order) |
210 | ordered_lsm_parse(chosen_lsm_order, "cmdline"); | |
211 | else | |
212 | ordered_lsm_parse(builtin_lsm_order, "builtin"); | |
2d4d5119 KC |
213 | |
214 | for (lsm = ordered_lsms; *lsm; lsm++) | |
215 | maybe_initialize_lsm(*lsm); | |
216 | ||
217 | kfree(ordered_lsms); | |
218 | } | |
219 | ||
5b89c1bd | 220 | static void __init major_lsm_init(void) |
1da177e4 | 221 | { |
5b89c1bd KC |
222 | struct lsm_info *lsm; |
223 | ||
224 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
657d910b KC |
225 | if ((lsm->flags & LSM_FLAG_LEGACY_MAJOR) == 0) |
226 | continue; | |
227 | ||
a8027fb0 KC |
228 | /* Enable this LSM, if it is not already set. */ |
229 | if (!lsm->enabled) | |
230 | lsm->enabled = &lsm_enabled_true; | |
231 | ||
f4941d75 | 232 | maybe_initialize_lsm(lsm); |
1da177e4 LT |
233 | } |
234 | } | |
235 | ||
236 | /** | |
237 | * security_init - initializes the security framework | |
238 | * | |
239 | * This should be called early in the kernel initialization sequence. | |
240 | */ | |
241 | int __init security_init(void) | |
242 | { | |
3dfc9b02 | 243 | int i; |
df0ce173 | 244 | struct hlist_head *list = (struct hlist_head *) &security_hook_heads; |
3dfc9b02 | 245 | |
98d29170 KC |
246 | pr_info("Security Framework initializing\n"); |
247 | ||
df0ce173 | 248 | for (i = 0; i < sizeof(security_hook_heads) / sizeof(struct hlist_head); |
3dfc9b02 | 249 | i++) |
df0ce173 | 250 | INIT_HLIST_HEAD(&list[i]); |
1da177e4 | 251 | |
b1d9e6b0 | 252 | /* |
730daa16 | 253 | * Load minor LSMs, with the capability module always first. |
b1d9e6b0 CS |
254 | */ |
255 | capability_add_hooks(); | |
b1d9e6b0 | 256 | yama_add_hooks(); |
9b091556 | 257 | loadpin_add_hooks(); |
730daa16 | 258 | |
657d910b KC |
259 | /* Load LSMs in specified order. */ |
260 | ordered_lsm_init(); | |
261 | ||
b1d9e6b0 | 262 | /* |
730daa16 | 263 | * Load all the remaining security modules. |
b1d9e6b0 | 264 | */ |
5b89c1bd | 265 | major_lsm_init(); |
1da177e4 LT |
266 | |
267 | return 0; | |
268 | } | |
269 | ||
076c54c5 | 270 | /* Save user chosen LSM */ |
5ef4e419 | 271 | static int __init choose_major_lsm(char *str) |
076c54c5 | 272 | { |
5ef4e419 | 273 | chosen_major_lsm = str; |
076c54c5 AD |
274 | return 1; |
275 | } | |
5ef4e419 | 276 | __setup("security=", choose_major_lsm); |
076c54c5 | 277 | |
79f7865d KC |
278 | /* Explicitly choose LSM initialization order. */ |
279 | static int __init choose_lsm_order(char *str) | |
280 | { | |
281 | chosen_lsm_order = str; | |
282 | return 1; | |
283 | } | |
284 | __setup("lsm=", choose_lsm_order); | |
285 | ||
9b8c7c14 KC |
286 | /* Enable LSM order debugging. */ |
287 | static int __init enable_debug(char *str) | |
288 | { | |
289 | debug = true; | |
290 | return 1; | |
291 | } | |
292 | __setup("lsm.debug", enable_debug); | |
293 | ||
3bb857e4 MS |
294 | static bool match_last_lsm(const char *list, const char *lsm) |
295 | { | |
296 | const char *last; | |
297 | ||
298 | if (WARN_ON(!list || !lsm)) | |
299 | return false; | |
300 | last = strrchr(list, ','); | |
301 | if (last) | |
302 | /* Pass the comma, strcmp() will check for '\0' */ | |
303 | last++; | |
304 | else | |
305 | last = list; | |
306 | return !strcmp(last, lsm); | |
307 | } | |
308 | ||
d69dece5 CS |
309 | static int lsm_append(char *new, char **result) |
310 | { | |
311 | char *cp; | |
312 | ||
313 | if (*result == NULL) { | |
314 | *result = kstrdup(new, GFP_KERNEL); | |
87ea5843 EB |
315 | if (*result == NULL) |
316 | return -ENOMEM; | |
d69dece5 | 317 | } else { |
3bb857e4 MS |
318 | /* Check if it is the last registered name */ |
319 | if (match_last_lsm(*result, new)) | |
320 | return 0; | |
d69dece5 CS |
321 | cp = kasprintf(GFP_KERNEL, "%s,%s", *result, new); |
322 | if (cp == NULL) | |
323 | return -ENOMEM; | |
324 | kfree(*result); | |
325 | *result = cp; | |
326 | } | |
327 | return 0; | |
328 | } | |
329 | ||
d69dece5 CS |
330 | /** |
331 | * security_add_hooks - Add a modules hooks to the hook lists. | |
332 | * @hooks: the hooks to add | |
333 | * @count: the number of hooks to add | |
334 | * @lsm: the name of the security module | |
335 | * | |
336 | * Each LSM has to register its hooks with the infrastructure. | |
337 | */ | |
338 | void __init security_add_hooks(struct security_hook_list *hooks, int count, | |
339 | char *lsm) | |
340 | { | |
341 | int i; | |
342 | ||
343 | for (i = 0; i < count; i++) { | |
344 | hooks[i].lsm = lsm; | |
df0ce173 | 345 | hlist_add_tail_rcu(&hooks[i].list, hooks[i].head); |
d69dece5 CS |
346 | } |
347 | if (lsm_append(lsm, &lsm_names) < 0) | |
348 | panic("%s - Cannot get early memory.\n", __func__); | |
349 | } | |
350 | ||
8f408ab6 DJ |
351 | int call_lsm_notifier(enum lsm_event event, void *data) |
352 | { | |
353 | return atomic_notifier_call_chain(&lsm_notifier_chain, event, data); | |
354 | } | |
355 | EXPORT_SYMBOL(call_lsm_notifier); | |
356 | ||
357 | int register_lsm_notifier(struct notifier_block *nb) | |
358 | { | |
359 | return atomic_notifier_chain_register(&lsm_notifier_chain, nb); | |
360 | } | |
361 | EXPORT_SYMBOL(register_lsm_notifier); | |
362 | ||
363 | int unregister_lsm_notifier(struct notifier_block *nb) | |
364 | { | |
365 | return atomic_notifier_chain_unregister(&lsm_notifier_chain, nb); | |
366 | } | |
367 | EXPORT_SYMBOL(unregister_lsm_notifier); | |
368 | ||
f25fce3e | 369 | /* |
b1d9e6b0 | 370 | * Hook list operation macros. |
1da177e4 | 371 | * |
f25fce3e CS |
372 | * call_void_hook: |
373 | * This is a hook that does not return a value. | |
1da177e4 | 374 | * |
f25fce3e CS |
375 | * call_int_hook: |
376 | * This is a hook that returns a value. | |
1da177e4 | 377 | */ |
1da177e4 | 378 | |
b1d9e6b0 CS |
379 | #define call_void_hook(FUNC, ...) \ |
380 | do { \ | |
381 | struct security_hook_list *P; \ | |
382 | \ | |
df0ce173 | 383 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) \ |
b1d9e6b0 CS |
384 | P->hook.FUNC(__VA_ARGS__); \ |
385 | } while (0) | |
386 | ||
387 | #define call_int_hook(FUNC, IRC, ...) ({ \ | |
388 | int RC = IRC; \ | |
389 | do { \ | |
390 | struct security_hook_list *P; \ | |
391 | \ | |
df0ce173 | 392 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) { \ |
b1d9e6b0 CS |
393 | RC = P->hook.FUNC(__VA_ARGS__); \ |
394 | if (RC != 0) \ | |
395 | break; \ | |
396 | } \ | |
397 | } while (0); \ | |
398 | RC; \ | |
399 | }) | |
1da177e4 | 400 | |
20510f2f JM |
401 | /* Security operations */ |
402 | ||
79af7307 SS |
403 | int security_binder_set_context_mgr(struct task_struct *mgr) |
404 | { | |
f25fce3e | 405 | return call_int_hook(binder_set_context_mgr, 0, mgr); |
79af7307 SS |
406 | } |
407 | ||
408 | int security_binder_transaction(struct task_struct *from, | |
409 | struct task_struct *to) | |
410 | { | |
f25fce3e | 411 | return call_int_hook(binder_transaction, 0, from, to); |
79af7307 SS |
412 | } |
413 | ||
414 | int security_binder_transfer_binder(struct task_struct *from, | |
415 | struct task_struct *to) | |
416 | { | |
f25fce3e | 417 | return call_int_hook(binder_transfer_binder, 0, from, to); |
79af7307 SS |
418 | } |
419 | ||
420 | int security_binder_transfer_file(struct task_struct *from, | |
421 | struct task_struct *to, struct file *file) | |
422 | { | |
f25fce3e | 423 | return call_int_hook(binder_transfer_file, 0, from, to, file); |
79af7307 SS |
424 | } |
425 | ||
9e48858f | 426 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 427 | { |
f25fce3e | 428 | return call_int_hook(ptrace_access_check, 0, child, mode); |
5cd9c58f DH |
429 | } |
430 | ||
431 | int security_ptrace_traceme(struct task_struct *parent) | |
432 | { | |
f25fce3e | 433 | return call_int_hook(ptrace_traceme, 0, parent); |
20510f2f JM |
434 | } |
435 | ||
436 | int security_capget(struct task_struct *target, | |
437 | kernel_cap_t *effective, | |
438 | kernel_cap_t *inheritable, | |
439 | kernel_cap_t *permitted) | |
440 | { | |
f25fce3e CS |
441 | return call_int_hook(capget, 0, target, |
442 | effective, inheritable, permitted); | |
20510f2f JM |
443 | } |
444 | ||
d84f4f99 DH |
445 | int security_capset(struct cred *new, const struct cred *old, |
446 | const kernel_cap_t *effective, | |
447 | const kernel_cap_t *inheritable, | |
448 | const kernel_cap_t *permitted) | |
20510f2f | 449 | { |
f25fce3e CS |
450 | return call_int_hook(capset, 0, new, old, |
451 | effective, inheritable, permitted); | |
20510f2f JM |
452 | } |
453 | ||
b7e724d3 | 454 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 455 | int cap) |
20510f2f | 456 | { |
f25fce3e | 457 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
458 | } |
459 | ||
c7eba4a9 EP |
460 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
461 | int cap) | |
06112163 | 462 | { |
f25fce3e | 463 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
464 | } |
465 | ||
20510f2f JM |
466 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
467 | { | |
f25fce3e | 468 | return call_int_hook(quotactl, 0, cmds, type, id, sb); |
20510f2f JM |
469 | } |
470 | ||
471 | int security_quota_on(struct dentry *dentry) | |
472 | { | |
f25fce3e | 473 | return call_int_hook(quota_on, 0, dentry); |
20510f2f JM |
474 | } |
475 | ||
12b3052c | 476 | int security_syslog(int type) |
20510f2f | 477 | { |
f25fce3e | 478 | return call_int_hook(syslog, 0, type); |
20510f2f JM |
479 | } |
480 | ||
457db29b | 481 | int security_settime64(const struct timespec64 *ts, const struct timezone *tz) |
20510f2f | 482 | { |
f25fce3e | 483 | return call_int_hook(settime, 0, ts, tz); |
20510f2f JM |
484 | } |
485 | ||
20510f2f JM |
486 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
487 | { | |
b1d9e6b0 CS |
488 | struct security_hook_list *hp; |
489 | int cap_sys_admin = 1; | |
490 | int rc; | |
491 | ||
492 | /* | |
493 | * The module will respond with a positive value if | |
494 | * it thinks the __vm_enough_memory() call should be | |
495 | * made with the cap_sys_admin set. If all of the modules | |
496 | * agree that it should be set it will. If any module | |
497 | * thinks it should not be set it won't. | |
498 | */ | |
df0ce173 | 499 | hlist_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) { |
b1d9e6b0 CS |
500 | rc = hp->hook.vm_enough_memory(mm, pages); |
501 | if (rc <= 0) { | |
502 | cap_sys_admin = 0; | |
503 | break; | |
504 | } | |
505 | } | |
506 | return __vm_enough_memory(mm, pages, cap_sys_admin); | |
20510f2f JM |
507 | } |
508 | ||
a6f76f23 | 509 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 510 | { |
f25fce3e | 511 | return call_int_hook(bprm_set_creds, 0, bprm); |
20510f2f JM |
512 | } |
513 | ||
a6f76f23 | 514 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 515 | { |
6c21a7fb MZ |
516 | int ret; |
517 | ||
f25fce3e | 518 | ret = call_int_hook(bprm_check_security, 0, bprm); |
6c21a7fb MZ |
519 | if (ret) |
520 | return ret; | |
521 | return ima_bprm_check(bprm); | |
20510f2f JM |
522 | } |
523 | ||
a6f76f23 | 524 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 525 | { |
f25fce3e | 526 | call_void_hook(bprm_committing_creds, bprm); |
20510f2f JM |
527 | } |
528 | ||
a6f76f23 | 529 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 530 | { |
f25fce3e | 531 | call_void_hook(bprm_committed_creds, bprm); |
20510f2f JM |
532 | } |
533 | ||
20510f2f JM |
534 | int security_sb_alloc(struct super_block *sb) |
535 | { | |
f25fce3e | 536 | return call_int_hook(sb_alloc_security, 0, sb); |
20510f2f JM |
537 | } |
538 | ||
539 | void security_sb_free(struct super_block *sb) | |
540 | { | |
f25fce3e | 541 | call_void_hook(sb_free_security, sb); |
20510f2f JM |
542 | } |
543 | ||
204cc0cc | 544 | void security_free_mnt_opts(void **mnt_opts) |
20510f2f | 545 | { |
204cc0cc AV |
546 | if (!*mnt_opts) |
547 | return; | |
548 | call_void_hook(sb_free_mnt_opts, *mnt_opts); | |
549 | *mnt_opts = NULL; | |
20510f2f | 550 | } |
204cc0cc | 551 | EXPORT_SYMBOL(security_free_mnt_opts); |
20510f2f | 552 | |
204cc0cc | 553 | int security_sb_eat_lsm_opts(char *options, void **mnt_opts) |
ff36fe2c | 554 | { |
204cc0cc | 555 | return call_int_hook(sb_eat_lsm_opts, 0, options, mnt_opts); |
ff36fe2c | 556 | } |
f5c0c26d | 557 | EXPORT_SYMBOL(security_sb_eat_lsm_opts); |
ff36fe2c | 558 | |
c039bc3c | 559 | int security_sb_remount(struct super_block *sb, |
204cc0cc | 560 | void *mnt_opts) |
20510f2f | 561 | { |
204cc0cc | 562 | return call_int_hook(sb_remount, 0, sb, mnt_opts); |
ff36fe2c | 563 | } |
a65001e8 | 564 | EXPORT_SYMBOL(security_sb_remount); |
ff36fe2c | 565 | |
a10d7c22 | 566 | int security_sb_kern_mount(struct super_block *sb) |
20510f2f | 567 | { |
a10d7c22 | 568 | return call_int_hook(sb_kern_mount, 0, sb); |
20510f2f JM |
569 | } |
570 | ||
2069f457 EP |
571 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
572 | { | |
f25fce3e | 573 | return call_int_hook(sb_show_options, 0, m, sb); |
2069f457 EP |
574 | } |
575 | ||
20510f2f JM |
576 | int security_sb_statfs(struct dentry *dentry) |
577 | { | |
f25fce3e | 578 | return call_int_hook(sb_statfs, 0, dentry); |
20510f2f JM |
579 | } |
580 | ||
8a04c43b | 581 | int security_sb_mount(const char *dev_name, const struct path *path, |
808d4e3c | 582 | const char *type, unsigned long flags, void *data) |
20510f2f | 583 | { |
f25fce3e | 584 | return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data); |
20510f2f JM |
585 | } |
586 | ||
20510f2f JM |
587 | int security_sb_umount(struct vfsmount *mnt, int flags) |
588 | { | |
f25fce3e | 589 | return call_int_hook(sb_umount, 0, mnt, flags); |
20510f2f JM |
590 | } |
591 | ||
3b73b68c | 592 | int security_sb_pivotroot(const struct path *old_path, const struct path *new_path) |
20510f2f | 593 | { |
f25fce3e | 594 | return call_int_hook(sb_pivotroot, 0, old_path, new_path); |
20510f2f JM |
595 | } |
596 | ||
c9180a57 | 597 | int security_sb_set_mnt_opts(struct super_block *sb, |
204cc0cc | 598 | void *mnt_opts, |
649f6e77 DQ |
599 | unsigned long kern_flags, |
600 | unsigned long *set_kern_flags) | |
c9180a57 | 601 | { |
b1d9e6b0 | 602 | return call_int_hook(sb_set_mnt_opts, |
204cc0cc AV |
603 | mnt_opts ? -EOPNOTSUPP : 0, sb, |
604 | mnt_opts, kern_flags, set_kern_flags); | |
c9180a57 | 605 | } |
e0007529 | 606 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 607 | |
094f7b69 | 608 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
0b4d3452 SM |
609 | struct super_block *newsb, |
610 | unsigned long kern_flags, | |
611 | unsigned long *set_kern_flags) | |
c9180a57 | 612 | { |
0b4d3452 SM |
613 | return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb, |
614 | kern_flags, set_kern_flags); | |
c9180a57 | 615 | } |
e0007529 EP |
616 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
617 | ||
757cbe59 AV |
618 | int security_add_mnt_opt(const char *option, const char *val, int len, |
619 | void **mnt_opts) | |
e0007529 | 620 | { |
757cbe59 AV |
621 | return call_int_hook(sb_add_mnt_opt, -EINVAL, |
622 | option, val, len, mnt_opts); | |
e0007529 | 623 | } |
757cbe59 | 624 | EXPORT_SYMBOL(security_add_mnt_opt); |
c9180a57 | 625 | |
20510f2f JM |
626 | int security_inode_alloc(struct inode *inode) |
627 | { | |
628 | inode->i_security = NULL; | |
f25fce3e | 629 | return call_int_hook(inode_alloc_security, 0, inode); |
20510f2f JM |
630 | } |
631 | ||
632 | void security_inode_free(struct inode *inode) | |
633 | { | |
f381c272 | 634 | integrity_inode_free(inode); |
f25fce3e | 635 | call_void_hook(inode_free_security, inode); |
20510f2f JM |
636 | } |
637 | ||
d47be3df | 638 | int security_dentry_init_security(struct dentry *dentry, int mode, |
4f3ccd76 | 639 | const struct qstr *name, void **ctx, |
d47be3df DQ |
640 | u32 *ctxlen) |
641 | { | |
b1d9e6b0 CS |
642 | return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode, |
643 | name, ctx, ctxlen); | |
d47be3df DQ |
644 | } |
645 | EXPORT_SYMBOL(security_dentry_init_security); | |
646 | ||
2602625b VG |
647 | int security_dentry_create_files_as(struct dentry *dentry, int mode, |
648 | struct qstr *name, | |
649 | const struct cred *old, struct cred *new) | |
650 | { | |
651 | return call_int_hook(dentry_create_files_as, 0, dentry, mode, | |
652 | name, old, new); | |
653 | } | |
654 | EXPORT_SYMBOL(security_dentry_create_files_as); | |
655 | ||
20510f2f | 656 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
657 | const struct qstr *qstr, |
658 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 659 | { |
823eb1cc MZ |
660 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
661 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
662 | int ret; |
663 | ||
20510f2f | 664 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 665 | return 0; |
9d8f13ba | 666 | |
9d8f13ba | 667 | if (!initxattrs) |
e308fd3b JB |
668 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, |
669 | dir, qstr, NULL, NULL, NULL); | |
9548906b | 670 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
9d8f13ba | 671 | lsm_xattr = new_xattrs; |
b1d9e6b0 | 672 | ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, |
9d8f13ba MZ |
673 | &lsm_xattr->name, |
674 | &lsm_xattr->value, | |
675 | &lsm_xattr->value_len); | |
676 | if (ret) | |
677 | goto out; | |
823eb1cc MZ |
678 | |
679 | evm_xattr = lsm_xattr + 1; | |
680 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
681 | if (ret) | |
682 | goto out; | |
9d8f13ba MZ |
683 | ret = initxattrs(inode, new_xattrs, fs_data); |
684 | out: | |
9548906b | 685 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
823eb1cc | 686 | kfree(xattr->value); |
9d8f13ba MZ |
687 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
688 | } | |
689 | EXPORT_SYMBOL(security_inode_init_security); | |
690 | ||
691 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 692 | const struct qstr *qstr, const char **name, |
9d8f13ba | 693 | void **value, size_t *len) |
20510f2f JM |
694 | { |
695 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 696 | return -EOPNOTSUPP; |
e308fd3b JB |
697 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, |
698 | qstr, name, value, len); | |
20510f2f | 699 | } |
9d8f13ba | 700 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 701 | |
be6d3e56 | 702 | #ifdef CONFIG_SECURITY_PATH |
d3607752 | 703 | int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
704 | unsigned int dev) |
705 | { | |
c6f493d6 | 706 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 707 | return 0; |
f25fce3e | 708 | return call_int_hook(path_mknod, 0, dir, dentry, mode, dev); |
be6d3e56 KT |
709 | } |
710 | EXPORT_SYMBOL(security_path_mknod); | |
711 | ||
d3607752 | 712 | int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 713 | { |
c6f493d6 | 714 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 715 | return 0; |
f25fce3e | 716 | return call_int_hook(path_mkdir, 0, dir, dentry, mode); |
be6d3e56 | 717 | } |
82140443 | 718 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 719 | |
989f74e0 | 720 | int security_path_rmdir(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 721 | { |
c6f493d6 | 722 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 723 | return 0; |
f25fce3e | 724 | return call_int_hook(path_rmdir, 0, dir, dentry); |
be6d3e56 KT |
725 | } |
726 | ||
989f74e0 | 727 | int security_path_unlink(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_unlink, 0, dir, dentry); |
be6d3e56 | 732 | } |
82140443 | 733 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 734 | |
d3607752 | 735 | int security_path_symlink(const struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
736 | const char *old_name) |
737 | { | |
c6f493d6 | 738 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 739 | return 0; |
f25fce3e | 740 | return call_int_hook(path_symlink, 0, dir, dentry, old_name); |
be6d3e56 KT |
741 | } |
742 | ||
3ccee46a | 743 | int security_path_link(struct dentry *old_dentry, const struct path *new_dir, |
be6d3e56 KT |
744 | struct dentry *new_dentry) |
745 | { | |
c6f493d6 | 746 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
be6d3e56 | 747 | return 0; |
f25fce3e | 748 | return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry); |
be6d3e56 KT |
749 | } |
750 | ||
3ccee46a AV |
751 | int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, |
752 | const struct path *new_dir, struct dentry *new_dentry, | |
0b3974eb | 753 | unsigned int flags) |
be6d3e56 | 754 | { |
c6f493d6 DH |
755 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
756 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
be6d3e56 | 757 | return 0; |
da1ce067 MS |
758 | |
759 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e CS |
760 | int err = call_int_hook(path_rename, 0, new_dir, new_dentry, |
761 | old_dir, old_dentry); | |
da1ce067 MS |
762 | if (err) |
763 | return err; | |
764 | } | |
765 | ||
f25fce3e CS |
766 | return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, |
767 | new_dentry); | |
be6d3e56 | 768 | } |
82140443 | 769 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 770 | |
81f4c506 | 771 | int security_path_truncate(const struct path *path) |
be6d3e56 | 772 | { |
c6f493d6 | 773 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
be6d3e56 | 774 | return 0; |
f25fce3e | 775 | return call_int_hook(path_truncate, 0, path); |
be6d3e56 | 776 | } |
89eda068 | 777 | |
be01f9f2 | 778 | int security_path_chmod(const struct path *path, umode_t mode) |
89eda068 | 779 | { |
c6f493d6 | 780 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 781 | return 0; |
f25fce3e | 782 | return call_int_hook(path_chmod, 0, path, mode); |
89eda068 TH |
783 | } |
784 | ||
7fd25dac | 785 | int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
89eda068 | 786 | { |
c6f493d6 | 787 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 788 | return 0; |
f25fce3e | 789 | return call_int_hook(path_chown, 0, path, uid, gid); |
89eda068 | 790 | } |
8b8efb44 | 791 | |
77b286c0 | 792 | int security_path_chroot(const struct path *path) |
8b8efb44 | 793 | { |
f25fce3e | 794 | return call_int_hook(path_chroot, 0, path); |
8b8efb44 | 795 | } |
be6d3e56 KT |
796 | #endif |
797 | ||
4acdaf27 | 798 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
799 | { |
800 | if (unlikely(IS_PRIVATE(dir))) | |
801 | return 0; | |
f25fce3e | 802 | return call_int_hook(inode_create, 0, dir, dentry, mode); |
20510f2f | 803 | } |
800a9647 | 804 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
805 | |
806 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
807 | struct dentry *new_dentry) | |
808 | { | |
c6f493d6 | 809 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
20510f2f | 810 | return 0; |
f25fce3e | 811 | return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry); |
20510f2f JM |
812 | } |
813 | ||
814 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
815 | { | |
c6f493d6 | 816 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 817 | return 0; |
f25fce3e | 818 | return call_int_hook(inode_unlink, 0, dir, dentry); |
20510f2f JM |
819 | } |
820 | ||
821 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
822 | const char *old_name) | |
823 | { | |
824 | if (unlikely(IS_PRIVATE(dir))) | |
825 | return 0; | |
f25fce3e | 826 | return call_int_hook(inode_symlink, 0, dir, dentry, old_name); |
20510f2f JM |
827 | } |
828 | ||
18bb1db3 | 829 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
830 | { |
831 | if (unlikely(IS_PRIVATE(dir))) | |
832 | return 0; | |
f25fce3e | 833 | return call_int_hook(inode_mkdir, 0, dir, dentry, mode); |
20510f2f | 834 | } |
800a9647 | 835 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
836 | |
837 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
838 | { | |
c6f493d6 | 839 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 840 | return 0; |
f25fce3e | 841 | return call_int_hook(inode_rmdir, 0, dir, dentry); |
20510f2f JM |
842 | } |
843 | ||
1a67aafb | 844 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
845 | { |
846 | if (unlikely(IS_PRIVATE(dir))) | |
847 | return 0; | |
f25fce3e | 848 | return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev); |
20510f2f JM |
849 | } |
850 | ||
851 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
852 | struct inode *new_dir, struct dentry *new_dentry, |
853 | unsigned int flags) | |
20510f2f | 854 | { |
c6f493d6 DH |
855 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
856 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
20510f2f | 857 | return 0; |
da1ce067 MS |
858 | |
859 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e | 860 | int err = call_int_hook(inode_rename, 0, new_dir, new_dentry, |
da1ce067 MS |
861 | old_dir, old_dentry); |
862 | if (err) | |
863 | return err; | |
864 | } | |
865 | ||
f25fce3e | 866 | return call_int_hook(inode_rename, 0, old_dir, old_dentry, |
20510f2f JM |
867 | new_dir, new_dentry); |
868 | } | |
869 | ||
870 | int security_inode_readlink(struct dentry *dentry) | |
871 | { | |
c6f493d6 | 872 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 873 | return 0; |
f25fce3e | 874 | return call_int_hook(inode_readlink, 0, dentry); |
20510f2f JM |
875 | } |
876 | ||
bda0be7a N |
877 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
878 | bool rcu) | |
20510f2f | 879 | { |
bda0be7a | 880 | if (unlikely(IS_PRIVATE(inode))) |
20510f2f | 881 | return 0; |
e22619a2 | 882 | return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); |
20510f2f JM |
883 | } |
884 | ||
b77b0646 | 885 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
886 | { |
887 | if (unlikely(IS_PRIVATE(inode))) | |
888 | return 0; | |
f25fce3e | 889 | return call_int_hook(inode_permission, 0, inode, mask); |
20510f2f JM |
890 | } |
891 | ||
892 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
893 | { | |
817b54aa MZ |
894 | int ret; |
895 | ||
c6f493d6 | 896 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 897 | return 0; |
f25fce3e | 898 | ret = call_int_hook(inode_setattr, 0, dentry, attr); |
817b54aa MZ |
899 | if (ret) |
900 | return ret; | |
901 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 902 | } |
b1da47e2 | 903 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 904 | |
3f7036a0 | 905 | int security_inode_getattr(const struct path *path) |
20510f2f | 906 | { |
c6f493d6 | 907 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 908 | return 0; |
f25fce3e | 909 | return call_int_hook(inode_getattr, 0, path); |
20510f2f JM |
910 | } |
911 | ||
8f0cfa52 DH |
912 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
913 | const void *value, size_t size, int flags) | |
20510f2f | 914 | { |
3e1be52d MZ |
915 | int ret; |
916 | ||
c6f493d6 | 917 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 918 | return 0; |
b1d9e6b0 CS |
919 | /* |
920 | * SELinux and Smack integrate the cap call, | |
921 | * so assume that all LSMs supplying this call do so. | |
922 | */ | |
923 | ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, | |
f25fce3e | 924 | flags); |
b1d9e6b0 CS |
925 | |
926 | if (ret == 1) | |
927 | ret = cap_inode_setxattr(dentry, name, value, size, flags); | |
42c63330 MZ |
928 | if (ret) |
929 | return ret; | |
930 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
931 | if (ret) |
932 | return ret; | |
933 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
934 | } |
935 | ||
8f0cfa52 DH |
936 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
937 | const void *value, size_t size, int flags) | |
20510f2f | 938 | { |
c6f493d6 | 939 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 940 | return; |
f25fce3e | 941 | call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); |
3e1be52d | 942 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
943 | } |
944 | ||
8f0cfa52 | 945 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 946 | { |
c6f493d6 | 947 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 948 | return 0; |
f25fce3e | 949 | return call_int_hook(inode_getxattr, 0, dentry, name); |
20510f2f JM |
950 | } |
951 | ||
952 | int security_inode_listxattr(struct dentry *dentry) | |
953 | { | |
c6f493d6 | 954 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 955 | return 0; |
f25fce3e | 956 | return call_int_hook(inode_listxattr, 0, dentry); |
20510f2f JM |
957 | } |
958 | ||
8f0cfa52 | 959 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 960 | { |
3e1be52d MZ |
961 | int ret; |
962 | ||
c6f493d6 | 963 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 964 | return 0; |
b1d9e6b0 CS |
965 | /* |
966 | * SELinux and Smack integrate the cap call, | |
967 | * so assume that all LSMs supplying this call do so. | |
968 | */ | |
969 | ret = call_int_hook(inode_removexattr, 1, dentry, name); | |
970 | if (ret == 1) | |
971 | ret = cap_inode_removexattr(dentry, name); | |
42c63330 MZ |
972 | if (ret) |
973 | return ret; | |
974 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
975 | if (ret) |
976 | return ret; | |
977 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
978 | } |
979 | ||
b5376771 SH |
980 | int security_inode_need_killpriv(struct dentry *dentry) |
981 | { | |
f25fce3e | 982 | return call_int_hook(inode_need_killpriv, 0, dentry); |
b5376771 SH |
983 | } |
984 | ||
985 | int security_inode_killpriv(struct dentry *dentry) | |
986 | { | |
f25fce3e | 987 | return call_int_hook(inode_killpriv, 0, dentry); |
b5376771 SH |
988 | } |
989 | ||
ea861dfd | 990 | int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f | 991 | { |
2885c1e3 CS |
992 | struct security_hook_list *hp; |
993 | int rc; | |
994 | ||
20510f2f | 995 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 996 | return -EOPNOTSUPP; |
2885c1e3 CS |
997 | /* |
998 | * Only one module will provide an attribute with a given name. | |
999 | */ | |
df0ce173 | 1000 | hlist_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { |
2885c1e3 CS |
1001 | rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); |
1002 | if (rc != -EOPNOTSUPP) | |
1003 | return rc; | |
1004 | } | |
1005 | return -EOPNOTSUPP; | |
20510f2f JM |
1006 | } |
1007 | ||
1008 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
1009 | { | |
2885c1e3 CS |
1010 | struct security_hook_list *hp; |
1011 | int rc; | |
1012 | ||
20510f2f | 1013 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 1014 | return -EOPNOTSUPP; |
2885c1e3 CS |
1015 | /* |
1016 | * Only one module will provide an attribute with a given name. | |
1017 | */ | |
df0ce173 | 1018 | hlist_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { |
2885c1e3 CS |
1019 | rc = hp->hook.inode_setsecurity(inode, name, value, size, |
1020 | flags); | |
1021 | if (rc != -EOPNOTSUPP) | |
1022 | return rc; | |
1023 | } | |
1024 | return -EOPNOTSUPP; | |
20510f2f JM |
1025 | } |
1026 | ||
1027 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
1028 | { | |
1029 | if (unlikely(IS_PRIVATE(inode))) | |
1030 | return 0; | |
f25fce3e | 1031 | return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); |
20510f2f | 1032 | } |
c9bccef6 | 1033 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 1034 | |
d6335d77 | 1035 | void security_inode_getsecid(struct inode *inode, u32 *secid) |
8a076191 | 1036 | { |
f25fce3e | 1037 | call_void_hook(inode_getsecid, inode, secid); |
8a076191 AD |
1038 | } |
1039 | ||
d8ad8b49 VG |
1040 | int security_inode_copy_up(struct dentry *src, struct cred **new) |
1041 | { | |
1042 | return call_int_hook(inode_copy_up, 0, src, new); | |
1043 | } | |
1044 | EXPORT_SYMBOL(security_inode_copy_up); | |
1045 | ||
121ab822 VG |
1046 | int security_inode_copy_up_xattr(const char *name) |
1047 | { | |
1048 | return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); | |
1049 | } | |
1050 | EXPORT_SYMBOL(security_inode_copy_up_xattr); | |
1051 | ||
20510f2f JM |
1052 | int security_file_permission(struct file *file, int mask) |
1053 | { | |
c4ec54b4 EP |
1054 | int ret; |
1055 | ||
f25fce3e | 1056 | ret = call_int_hook(file_permission, 0, file, mask); |
c4ec54b4 EP |
1057 | if (ret) |
1058 | return ret; | |
1059 | ||
1060 | return fsnotify_perm(file, mask); | |
20510f2f JM |
1061 | } |
1062 | ||
1063 | int security_file_alloc(struct file *file) | |
1064 | { | |
f25fce3e | 1065 | return call_int_hook(file_alloc_security, 0, file); |
20510f2f JM |
1066 | } |
1067 | ||
1068 | void security_file_free(struct file *file) | |
1069 | { | |
f25fce3e | 1070 | call_void_hook(file_free_security, file); |
20510f2f JM |
1071 | } |
1072 | ||
1073 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
1074 | { | |
f25fce3e | 1075 | return call_int_hook(file_ioctl, 0, file, cmd, arg); |
20510f2f JM |
1076 | } |
1077 | ||
98de59bf | 1078 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 1079 | { |
8b3ec681 | 1080 | /* |
98de59bf AV |
1081 | * Does we have PROT_READ and does the application expect |
1082 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 1083 | */ |
98de59bf AV |
1084 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
1085 | return prot; | |
8b3ec681 | 1086 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
1087 | return prot; |
1088 | /* | |
1089 | * if that's an anonymous mapping, let it. | |
1090 | */ | |
1091 | if (!file) | |
1092 | return prot | PROT_EXEC; | |
1093 | /* | |
1094 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 1095 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf | 1096 | */ |
90f8572b | 1097 | if (!path_noexec(&file->f_path)) { |
8b3ec681 | 1098 | #ifndef CONFIG_MMU |
b4caecd4 CH |
1099 | if (file->f_op->mmap_capabilities) { |
1100 | unsigned caps = file->f_op->mmap_capabilities(file); | |
1101 | if (!(caps & NOMMU_MAP_EXEC)) | |
1102 | return prot; | |
1103 | } | |
8b3ec681 | 1104 | #endif |
98de59bf | 1105 | return prot | PROT_EXEC; |
8b3ec681 | 1106 | } |
98de59bf AV |
1107 | /* anything on noexec mount won't get PROT_EXEC */ |
1108 | return prot; | |
1109 | } | |
1110 | ||
1111 | int security_mmap_file(struct file *file, unsigned long prot, | |
1112 | unsigned long flags) | |
1113 | { | |
1114 | int ret; | |
f25fce3e | 1115 | ret = call_int_hook(mmap_file, 0, file, prot, |
98de59bf | 1116 | mmap_prot(file, prot), flags); |
6c21a7fb MZ |
1117 | if (ret) |
1118 | return ret; | |
1119 | return ima_file_mmap(file, prot); | |
20510f2f JM |
1120 | } |
1121 | ||
e5467859 AV |
1122 | int security_mmap_addr(unsigned long addr) |
1123 | { | |
f25fce3e | 1124 | return call_int_hook(mmap_addr, 0, addr); |
e5467859 AV |
1125 | } |
1126 | ||
20510f2f JM |
1127 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
1128 | unsigned long prot) | |
1129 | { | |
f25fce3e | 1130 | return call_int_hook(file_mprotect, 0, vma, reqprot, prot); |
20510f2f JM |
1131 | } |
1132 | ||
1133 | int security_file_lock(struct file *file, unsigned int cmd) | |
1134 | { | |
f25fce3e | 1135 | return call_int_hook(file_lock, 0, file, cmd); |
20510f2f JM |
1136 | } |
1137 | ||
1138 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
1139 | { | |
f25fce3e | 1140 | return call_int_hook(file_fcntl, 0, file, cmd, arg); |
20510f2f JM |
1141 | } |
1142 | ||
e0b93edd | 1143 | void security_file_set_fowner(struct file *file) |
20510f2f | 1144 | { |
f25fce3e | 1145 | call_void_hook(file_set_fowner, file); |
20510f2f JM |
1146 | } |
1147 | ||
1148 | int security_file_send_sigiotask(struct task_struct *tsk, | |
1149 | struct fown_struct *fown, int sig) | |
1150 | { | |
f25fce3e | 1151 | return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); |
20510f2f JM |
1152 | } |
1153 | ||
1154 | int security_file_receive(struct file *file) | |
1155 | { | |
f25fce3e | 1156 | return call_int_hook(file_receive, 0, file); |
20510f2f JM |
1157 | } |
1158 | ||
e3f20ae2 | 1159 | int security_file_open(struct file *file) |
20510f2f | 1160 | { |
c4ec54b4 EP |
1161 | int ret; |
1162 | ||
94817692 | 1163 | ret = call_int_hook(file_open, 0, file); |
c4ec54b4 EP |
1164 | if (ret) |
1165 | return ret; | |
1166 | ||
1167 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
1168 | } |
1169 | ||
e4e55b47 TH |
1170 | int security_task_alloc(struct task_struct *task, unsigned long clone_flags) |
1171 | { | |
1172 | return call_int_hook(task_alloc, 0, task, clone_flags); | |
1173 | } | |
1174 | ||
1a2a4d06 KC |
1175 | void security_task_free(struct task_struct *task) |
1176 | { | |
f25fce3e | 1177 | call_void_hook(task_free, task); |
1a2a4d06 KC |
1178 | } |
1179 | ||
ee18d64c DH |
1180 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
1181 | { | |
f25fce3e | 1182 | return call_int_hook(cred_alloc_blank, 0, cred, gfp); |
ee18d64c DH |
1183 | } |
1184 | ||
d84f4f99 | 1185 | void security_cred_free(struct cred *cred) |
20510f2f | 1186 | { |
f25fce3e | 1187 | call_void_hook(cred_free, cred); |
20510f2f JM |
1188 | } |
1189 | ||
d84f4f99 | 1190 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 1191 | { |
f25fce3e | 1192 | return call_int_hook(cred_prepare, 0, new, old, gfp); |
d84f4f99 DH |
1193 | } |
1194 | ||
ee18d64c DH |
1195 | void security_transfer_creds(struct cred *new, const struct cred *old) |
1196 | { | |
f25fce3e | 1197 | call_void_hook(cred_transfer, new, old); |
ee18d64c DH |
1198 | } |
1199 | ||
3ec30113 MG |
1200 | void security_cred_getsecid(const struct cred *c, u32 *secid) |
1201 | { | |
1202 | *secid = 0; | |
1203 | call_void_hook(cred_getsecid, c, secid); | |
1204 | } | |
1205 | EXPORT_SYMBOL(security_cred_getsecid); | |
1206 | ||
3a3b7ce9 DH |
1207 | int security_kernel_act_as(struct cred *new, u32 secid) |
1208 | { | |
f25fce3e | 1209 | return call_int_hook(kernel_act_as, 0, new, secid); |
3a3b7ce9 DH |
1210 | } |
1211 | ||
1212 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
1213 | { | |
f25fce3e | 1214 | return call_int_hook(kernel_create_files_as, 0, new, inode); |
3a3b7ce9 DH |
1215 | } |
1216 | ||
dd8dbf2e | 1217 | int security_kernel_module_request(char *kmod_name) |
9188499c | 1218 | { |
6eb864c1 MK |
1219 | int ret; |
1220 | ||
1221 | ret = call_int_hook(kernel_module_request, 0, kmod_name); | |
1222 | if (ret) | |
1223 | return ret; | |
1224 | return integrity_kernel_module_request(kmod_name); | |
9188499c EP |
1225 | } |
1226 | ||
39eeb4fb MZ |
1227 | int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) |
1228 | { | |
1229 | int ret; | |
1230 | ||
1231 | ret = call_int_hook(kernel_read_file, 0, file, id); | |
1232 | if (ret) | |
1233 | return ret; | |
1234 | return ima_read_file(file, id); | |
1235 | } | |
1236 | EXPORT_SYMBOL_GPL(security_kernel_read_file); | |
1237 | ||
bc8ca5b9 MZ |
1238 | int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, |
1239 | enum kernel_read_file_id id) | |
b44a7dfc | 1240 | { |
cf222217 MZ |
1241 | int ret; |
1242 | ||
1243 | ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); | |
1244 | if (ret) | |
1245 | return ret; | |
1246 | return ima_post_read_file(file, buf, size, id); | |
b44a7dfc MZ |
1247 | } |
1248 | EXPORT_SYMBOL_GPL(security_kernel_post_read_file); | |
1249 | ||
377179cd MZ |
1250 | int security_kernel_load_data(enum kernel_load_data_id id) |
1251 | { | |
16c267aa MZ |
1252 | int ret; |
1253 | ||
1254 | ret = call_int_hook(kernel_load_data, 0, id); | |
1255 | if (ret) | |
1256 | return ret; | |
1257 | return ima_load_data(id); | |
377179cd | 1258 | } |
83a68a06 | 1259 | EXPORT_SYMBOL_GPL(security_kernel_load_data); |
377179cd | 1260 | |
d84f4f99 DH |
1261 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
1262 | int flags) | |
20510f2f | 1263 | { |
f25fce3e | 1264 | return call_int_hook(task_fix_setuid, 0, new, old, flags); |
20510f2f JM |
1265 | } |
1266 | ||
20510f2f JM |
1267 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
1268 | { | |
f25fce3e | 1269 | return call_int_hook(task_setpgid, 0, p, pgid); |
20510f2f JM |
1270 | } |
1271 | ||
1272 | int security_task_getpgid(struct task_struct *p) | |
1273 | { | |
f25fce3e | 1274 | return call_int_hook(task_getpgid, 0, p); |
20510f2f JM |
1275 | } |
1276 | ||
1277 | int security_task_getsid(struct task_struct *p) | |
1278 | { | |
f25fce3e | 1279 | return call_int_hook(task_getsid, 0, p); |
20510f2f JM |
1280 | } |
1281 | ||
1282 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
1283 | { | |
b1d9e6b0 | 1284 | *secid = 0; |
f25fce3e | 1285 | call_void_hook(task_getsecid, p, secid); |
20510f2f JM |
1286 | } |
1287 | EXPORT_SYMBOL(security_task_getsecid); | |
1288 | ||
20510f2f JM |
1289 | int security_task_setnice(struct task_struct *p, int nice) |
1290 | { | |
f25fce3e | 1291 | return call_int_hook(task_setnice, 0, p, nice); |
20510f2f JM |
1292 | } |
1293 | ||
1294 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
1295 | { | |
f25fce3e | 1296 | return call_int_hook(task_setioprio, 0, p, ioprio); |
20510f2f JM |
1297 | } |
1298 | ||
1299 | int security_task_getioprio(struct task_struct *p) | |
1300 | { | |
f25fce3e | 1301 | return call_int_hook(task_getioprio, 0, p); |
20510f2f JM |
1302 | } |
1303 | ||
791ec491 SS |
1304 | int security_task_prlimit(const struct cred *cred, const struct cred *tcred, |
1305 | unsigned int flags) | |
1306 | { | |
1307 | return call_int_hook(task_prlimit, 0, cred, tcred, flags); | |
1308 | } | |
1309 | ||
8fd00b4d JS |
1310 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
1311 | struct rlimit *new_rlim) | |
20510f2f | 1312 | { |
f25fce3e | 1313 | return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); |
20510f2f JM |
1314 | } |
1315 | ||
b0ae1981 | 1316 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 1317 | { |
f25fce3e | 1318 | return call_int_hook(task_setscheduler, 0, p); |
20510f2f JM |
1319 | } |
1320 | ||
1321 | int security_task_getscheduler(struct task_struct *p) | |
1322 | { | |
f25fce3e | 1323 | return call_int_hook(task_getscheduler, 0, p); |
20510f2f JM |
1324 | } |
1325 | ||
1326 | int security_task_movememory(struct task_struct *p) | |
1327 | { | |
f25fce3e | 1328 | return call_int_hook(task_movememory, 0, p); |
20510f2f JM |
1329 | } |
1330 | ||
ae7795bc | 1331 | int security_task_kill(struct task_struct *p, struct kernel_siginfo *info, |
6b4f3d01 | 1332 | int sig, const struct cred *cred) |
20510f2f | 1333 | { |
6b4f3d01 | 1334 | return call_int_hook(task_kill, 0, p, info, sig, cred); |
20510f2f JM |
1335 | } |
1336 | ||
20510f2f | 1337 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
d84f4f99 | 1338 | unsigned long arg4, unsigned long arg5) |
20510f2f | 1339 | { |
b1d9e6b0 CS |
1340 | int thisrc; |
1341 | int rc = -ENOSYS; | |
1342 | struct security_hook_list *hp; | |
1343 | ||
df0ce173 | 1344 | hlist_for_each_entry(hp, &security_hook_heads.task_prctl, list) { |
b1d9e6b0 CS |
1345 | thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); |
1346 | if (thisrc != -ENOSYS) { | |
1347 | rc = thisrc; | |
1348 | if (thisrc != 0) | |
1349 | break; | |
1350 | } | |
1351 | } | |
1352 | return rc; | |
20510f2f JM |
1353 | } |
1354 | ||
1355 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
1356 | { | |
f25fce3e | 1357 | call_void_hook(task_to_inode, p, inode); |
20510f2f JM |
1358 | } |
1359 | ||
1360 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
1361 | { | |
f25fce3e | 1362 | return call_int_hook(ipc_permission, 0, ipcp, flag); |
20510f2f JM |
1363 | } |
1364 | ||
8a076191 AD |
1365 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
1366 | { | |
b1d9e6b0 | 1367 | *secid = 0; |
f25fce3e | 1368 | call_void_hook(ipc_getsecid, ipcp, secid); |
8a076191 AD |
1369 | } |
1370 | ||
20510f2f JM |
1371 | int security_msg_msg_alloc(struct msg_msg *msg) |
1372 | { | |
f25fce3e | 1373 | return call_int_hook(msg_msg_alloc_security, 0, msg); |
20510f2f JM |
1374 | } |
1375 | ||
1376 | void security_msg_msg_free(struct msg_msg *msg) | |
1377 | { | |
f25fce3e | 1378 | call_void_hook(msg_msg_free_security, msg); |
20510f2f JM |
1379 | } |
1380 | ||
d8c6e854 | 1381 | int security_msg_queue_alloc(struct kern_ipc_perm *msq) |
20510f2f | 1382 | { |
f25fce3e | 1383 | return call_int_hook(msg_queue_alloc_security, 0, msq); |
20510f2f JM |
1384 | } |
1385 | ||
d8c6e854 | 1386 | void security_msg_queue_free(struct kern_ipc_perm *msq) |
20510f2f | 1387 | { |
f25fce3e | 1388 | call_void_hook(msg_queue_free_security, msq); |
20510f2f JM |
1389 | } |
1390 | ||
d8c6e854 | 1391 | int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg) |
20510f2f | 1392 | { |
f25fce3e | 1393 | return call_int_hook(msg_queue_associate, 0, msq, msqflg); |
20510f2f JM |
1394 | } |
1395 | ||
d8c6e854 | 1396 | int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd) |
20510f2f | 1397 | { |
f25fce3e | 1398 | return call_int_hook(msg_queue_msgctl, 0, msq, cmd); |
20510f2f JM |
1399 | } |
1400 | ||
d8c6e854 | 1401 | int security_msg_queue_msgsnd(struct kern_ipc_perm *msq, |
20510f2f JM |
1402 | struct msg_msg *msg, int msqflg) |
1403 | { | |
f25fce3e | 1404 | return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); |
20510f2f JM |
1405 | } |
1406 | ||
d8c6e854 | 1407 | int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg, |
20510f2f JM |
1408 | struct task_struct *target, long type, int mode) |
1409 | { | |
f25fce3e | 1410 | return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); |
20510f2f JM |
1411 | } |
1412 | ||
7191adff | 1413 | int security_shm_alloc(struct kern_ipc_perm *shp) |
20510f2f | 1414 | { |
f25fce3e | 1415 | return call_int_hook(shm_alloc_security, 0, shp); |
20510f2f JM |
1416 | } |
1417 | ||
7191adff | 1418 | void security_shm_free(struct kern_ipc_perm *shp) |
20510f2f | 1419 | { |
f25fce3e | 1420 | call_void_hook(shm_free_security, shp); |
20510f2f JM |
1421 | } |
1422 | ||
7191adff | 1423 | int security_shm_associate(struct kern_ipc_perm *shp, int shmflg) |
20510f2f | 1424 | { |
f25fce3e | 1425 | return call_int_hook(shm_associate, 0, shp, shmflg); |
20510f2f JM |
1426 | } |
1427 | ||
7191adff | 1428 | int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd) |
20510f2f | 1429 | { |
f25fce3e | 1430 | return call_int_hook(shm_shmctl, 0, shp, cmd); |
20510f2f JM |
1431 | } |
1432 | ||
7191adff | 1433 | int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg) |
20510f2f | 1434 | { |
f25fce3e | 1435 | return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); |
20510f2f JM |
1436 | } |
1437 | ||
aefad959 | 1438 | int security_sem_alloc(struct kern_ipc_perm *sma) |
20510f2f | 1439 | { |
f25fce3e | 1440 | return call_int_hook(sem_alloc_security, 0, sma); |
20510f2f JM |
1441 | } |
1442 | ||
aefad959 | 1443 | void security_sem_free(struct kern_ipc_perm *sma) |
20510f2f | 1444 | { |
f25fce3e | 1445 | call_void_hook(sem_free_security, sma); |
20510f2f JM |
1446 | } |
1447 | ||
aefad959 | 1448 | int security_sem_associate(struct kern_ipc_perm *sma, int semflg) |
20510f2f | 1449 | { |
f25fce3e | 1450 | return call_int_hook(sem_associate, 0, sma, semflg); |
20510f2f JM |
1451 | } |
1452 | ||
aefad959 | 1453 | int security_sem_semctl(struct kern_ipc_perm *sma, int cmd) |
20510f2f | 1454 | { |
f25fce3e | 1455 | return call_int_hook(sem_semctl, 0, sma, cmd); |
20510f2f JM |
1456 | } |
1457 | ||
aefad959 | 1458 | int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops, |
20510f2f JM |
1459 | unsigned nsops, int alter) |
1460 | { | |
f25fce3e | 1461 | return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); |
20510f2f JM |
1462 | } |
1463 | ||
1464 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1465 | { | |
1466 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1467 | return; | |
f25fce3e | 1468 | call_void_hook(d_instantiate, dentry, inode); |
20510f2f JM |
1469 | } |
1470 | EXPORT_SYMBOL(security_d_instantiate); | |
1471 | ||
1472 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1473 | { | |
b1d9e6b0 | 1474 | return call_int_hook(getprocattr, -EINVAL, p, name, value); |
20510f2f JM |
1475 | } |
1476 | ||
b21507e2 | 1477 | int security_setprocattr(const char *name, void *value, size_t size) |
20510f2f | 1478 | { |
b21507e2 | 1479 | return call_int_hook(setprocattr, -EINVAL, name, value, size); |
20510f2f JM |
1480 | } |
1481 | ||
1482 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1483 | { | |
f25fce3e | 1484 | return call_int_hook(netlink_send, 0, sk, skb); |
20510f2f | 1485 | } |
20510f2f | 1486 | |
746df9b5 DQ |
1487 | int security_ismaclabel(const char *name) |
1488 | { | |
f25fce3e | 1489 | return call_int_hook(ismaclabel, 0, name); |
746df9b5 DQ |
1490 | } |
1491 | EXPORT_SYMBOL(security_ismaclabel); | |
1492 | ||
20510f2f JM |
1493 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1494 | { | |
b1d9e6b0 CS |
1495 | return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, |
1496 | seclen); | |
20510f2f JM |
1497 | } |
1498 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1499 | ||
7bf570dc | 1500 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 | 1501 | { |
b1d9e6b0 | 1502 | *secid = 0; |
f25fce3e | 1503 | return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); |
63cb3449 DH |
1504 | } |
1505 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1506 | ||
20510f2f JM |
1507 | void security_release_secctx(char *secdata, u32 seclen) |
1508 | { | |
f25fce3e | 1509 | call_void_hook(release_secctx, secdata, seclen); |
20510f2f JM |
1510 | } |
1511 | EXPORT_SYMBOL(security_release_secctx); | |
1512 | ||
6f3be9f5 AG |
1513 | void security_inode_invalidate_secctx(struct inode *inode) |
1514 | { | |
1515 | call_void_hook(inode_invalidate_secctx, inode); | |
1516 | } | |
1517 | EXPORT_SYMBOL(security_inode_invalidate_secctx); | |
1518 | ||
1ee65e37 DQ |
1519 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1520 | { | |
f25fce3e | 1521 | return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); |
1ee65e37 DQ |
1522 | } |
1523 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1524 | ||
1525 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1526 | { | |
f25fce3e | 1527 | return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); |
1ee65e37 DQ |
1528 | } |
1529 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1530 | ||
1531 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1532 | { | |
b1d9e6b0 | 1533 | return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); |
1ee65e37 DQ |
1534 | } |
1535 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1536 | ||
20510f2f JM |
1537 | #ifdef CONFIG_SECURITY_NETWORK |
1538 | ||
3610cda5 | 1539 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f | 1540 | { |
f25fce3e | 1541 | return call_int_hook(unix_stream_connect, 0, sock, other, newsk); |
20510f2f JM |
1542 | } |
1543 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1544 | ||
1545 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1546 | { | |
f25fce3e | 1547 | return call_int_hook(unix_may_send, 0, sock, other); |
20510f2f JM |
1548 | } |
1549 | EXPORT_SYMBOL(security_unix_may_send); | |
1550 | ||
1551 | int security_socket_create(int family, int type, int protocol, int kern) | |
1552 | { | |
f25fce3e | 1553 | return call_int_hook(socket_create, 0, family, type, protocol, kern); |
20510f2f JM |
1554 | } |
1555 | ||
1556 | int security_socket_post_create(struct socket *sock, int family, | |
1557 | int type, int protocol, int kern) | |
1558 | { | |
f25fce3e | 1559 | return call_int_hook(socket_post_create, 0, sock, family, type, |
20510f2f JM |
1560 | protocol, kern); |
1561 | } | |
1562 | ||
aae7cfcb DH |
1563 | int security_socket_socketpair(struct socket *socka, struct socket *sockb) |
1564 | { | |
1565 | return call_int_hook(socket_socketpair, 0, socka, sockb); | |
1566 | } | |
1567 | EXPORT_SYMBOL(security_socket_socketpair); | |
1568 | ||
20510f2f JM |
1569 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) |
1570 | { | |
f25fce3e | 1571 | return call_int_hook(socket_bind, 0, sock, address, addrlen); |
20510f2f JM |
1572 | } |
1573 | ||
1574 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1575 | { | |
f25fce3e | 1576 | return call_int_hook(socket_connect, 0, sock, address, addrlen); |
20510f2f JM |
1577 | } |
1578 | ||
1579 | int security_socket_listen(struct socket *sock, int backlog) | |
1580 | { | |
f25fce3e | 1581 | return call_int_hook(socket_listen, 0, sock, backlog); |
20510f2f JM |
1582 | } |
1583 | ||
1584 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1585 | { | |
f25fce3e | 1586 | return call_int_hook(socket_accept, 0, sock, newsock); |
20510f2f JM |
1587 | } |
1588 | ||
20510f2f JM |
1589 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1590 | { | |
f25fce3e | 1591 | return call_int_hook(socket_sendmsg, 0, sock, msg, size); |
20510f2f JM |
1592 | } |
1593 | ||
1594 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1595 | int size, int flags) | |
1596 | { | |
f25fce3e | 1597 | return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); |
20510f2f JM |
1598 | } |
1599 | ||
1600 | int security_socket_getsockname(struct socket *sock) | |
1601 | { | |
f25fce3e | 1602 | return call_int_hook(socket_getsockname, 0, sock); |
20510f2f JM |
1603 | } |
1604 | ||
1605 | int security_socket_getpeername(struct socket *sock) | |
1606 | { | |
f25fce3e | 1607 | return call_int_hook(socket_getpeername, 0, sock); |
20510f2f JM |
1608 | } |
1609 | ||
1610 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1611 | { | |
f25fce3e | 1612 | return call_int_hook(socket_getsockopt, 0, sock, level, optname); |
20510f2f JM |
1613 | } |
1614 | ||
1615 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1616 | { | |
f25fce3e | 1617 | return call_int_hook(socket_setsockopt, 0, sock, level, optname); |
20510f2f JM |
1618 | } |
1619 | ||
1620 | int security_socket_shutdown(struct socket *sock, int how) | |
1621 | { | |
f25fce3e | 1622 | return call_int_hook(socket_shutdown, 0, sock, how); |
20510f2f JM |
1623 | } |
1624 | ||
1625 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1626 | { | |
f25fce3e | 1627 | return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); |
20510f2f JM |
1628 | } |
1629 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1630 | ||
1631 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1632 | int __user *optlen, unsigned len) | |
1633 | { | |
b1d9e6b0 CS |
1634 | return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, |
1635 | optval, optlen, len); | |
20510f2f JM |
1636 | } |
1637 | ||
1638 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1639 | { | |
e308fd3b JB |
1640 | return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, |
1641 | skb, secid); | |
20510f2f JM |
1642 | } |
1643 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1644 | ||
1645 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1646 | { | |
f25fce3e | 1647 | return call_int_hook(sk_alloc_security, 0, sk, family, priority); |
20510f2f JM |
1648 | } |
1649 | ||
1650 | void security_sk_free(struct sock *sk) | |
1651 | { | |
f25fce3e | 1652 | call_void_hook(sk_free_security, sk); |
20510f2f JM |
1653 | } |
1654 | ||
1655 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1656 | { | |
f25fce3e | 1657 | call_void_hook(sk_clone_security, sk, newsk); |
20510f2f | 1658 | } |
6230c9b4 | 1659 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1660 | |
1661 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1662 | { | |
f25fce3e | 1663 | call_void_hook(sk_getsecid, sk, &fl->flowi_secid); |
20510f2f JM |
1664 | } |
1665 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1666 | ||
1667 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1668 | { | |
f25fce3e | 1669 | call_void_hook(req_classify_flow, req, fl); |
20510f2f JM |
1670 | } |
1671 | EXPORT_SYMBOL(security_req_classify_flow); | |
1672 | ||
1673 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1674 | { | |
f25fce3e | 1675 | call_void_hook(sock_graft, sk, parent); |
20510f2f JM |
1676 | } |
1677 | EXPORT_SYMBOL(security_sock_graft); | |
1678 | ||
1679 | int security_inet_conn_request(struct sock *sk, | |
1680 | struct sk_buff *skb, struct request_sock *req) | |
1681 | { | |
f25fce3e | 1682 | return call_int_hook(inet_conn_request, 0, sk, skb, req); |
20510f2f JM |
1683 | } |
1684 | EXPORT_SYMBOL(security_inet_conn_request); | |
1685 | ||
1686 | void security_inet_csk_clone(struct sock *newsk, | |
1687 | const struct request_sock *req) | |
1688 | { | |
f25fce3e | 1689 | call_void_hook(inet_csk_clone, newsk, req); |
20510f2f JM |
1690 | } |
1691 | ||
1692 | void security_inet_conn_established(struct sock *sk, | |
1693 | struct sk_buff *skb) | |
1694 | { | |
f25fce3e | 1695 | call_void_hook(inet_conn_established, sk, skb); |
20510f2f | 1696 | } |
72e89f50 | 1697 | EXPORT_SYMBOL(security_inet_conn_established); |
20510f2f | 1698 | |
2606fd1f EP |
1699 | int security_secmark_relabel_packet(u32 secid) |
1700 | { | |
f25fce3e | 1701 | return call_int_hook(secmark_relabel_packet, 0, secid); |
2606fd1f EP |
1702 | } |
1703 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1704 | ||
1705 | void security_secmark_refcount_inc(void) | |
1706 | { | |
f25fce3e | 1707 | call_void_hook(secmark_refcount_inc); |
2606fd1f EP |
1708 | } |
1709 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1710 | ||
1711 | void security_secmark_refcount_dec(void) | |
1712 | { | |
f25fce3e | 1713 | call_void_hook(secmark_refcount_dec); |
2606fd1f EP |
1714 | } |
1715 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1716 | ||
5dbbaf2d PM |
1717 | int security_tun_dev_alloc_security(void **security) |
1718 | { | |
f25fce3e | 1719 | return call_int_hook(tun_dev_alloc_security, 0, security); |
5dbbaf2d PM |
1720 | } |
1721 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1722 | ||
1723 | void security_tun_dev_free_security(void *security) | |
1724 | { | |
f25fce3e | 1725 | call_void_hook(tun_dev_free_security, security); |
5dbbaf2d PM |
1726 | } |
1727 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1728 | ||
2b980dbd PM |
1729 | int security_tun_dev_create(void) |
1730 | { | |
f25fce3e | 1731 | return call_int_hook(tun_dev_create, 0); |
2b980dbd PM |
1732 | } |
1733 | EXPORT_SYMBOL(security_tun_dev_create); | |
1734 | ||
5dbbaf2d | 1735 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1736 | { |
f25fce3e | 1737 | return call_int_hook(tun_dev_attach_queue, 0, security); |
2b980dbd | 1738 | } |
5dbbaf2d | 1739 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1740 | |
5dbbaf2d | 1741 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1742 | { |
f25fce3e | 1743 | return call_int_hook(tun_dev_attach, 0, sk, security); |
2b980dbd PM |
1744 | } |
1745 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1746 | ||
5dbbaf2d PM |
1747 | int security_tun_dev_open(void *security) |
1748 | { | |
f25fce3e | 1749 | return call_int_hook(tun_dev_open, 0, security); |
5dbbaf2d PM |
1750 | } |
1751 | EXPORT_SYMBOL(security_tun_dev_open); | |
1752 | ||
72e89f50 RH |
1753 | int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb) |
1754 | { | |
1755 | return call_int_hook(sctp_assoc_request, 0, ep, skb); | |
1756 | } | |
1757 | EXPORT_SYMBOL(security_sctp_assoc_request); | |
1758 | ||
1759 | int security_sctp_bind_connect(struct sock *sk, int optname, | |
1760 | struct sockaddr *address, int addrlen) | |
1761 | { | |
1762 | return call_int_hook(sctp_bind_connect, 0, sk, optname, | |
1763 | address, addrlen); | |
1764 | } | |
1765 | EXPORT_SYMBOL(security_sctp_bind_connect); | |
1766 | ||
1767 | void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk, | |
1768 | struct sock *newsk) | |
1769 | { | |
1770 | call_void_hook(sctp_sk_clone, ep, sk, newsk); | |
1771 | } | |
1772 | EXPORT_SYMBOL(security_sctp_sk_clone); | |
1773 | ||
20510f2f JM |
1774 | #endif /* CONFIG_SECURITY_NETWORK */ |
1775 | ||
d291f1a6 DJ |
1776 | #ifdef CONFIG_SECURITY_INFINIBAND |
1777 | ||
1778 | int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey) | |
1779 | { | |
1780 | return call_int_hook(ib_pkey_access, 0, sec, subnet_prefix, pkey); | |
1781 | } | |
1782 | EXPORT_SYMBOL(security_ib_pkey_access); | |
1783 | ||
47a2b338 DJ |
1784 | int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num) |
1785 | { | |
1786 | return call_int_hook(ib_endport_manage_subnet, 0, sec, dev_name, port_num); | |
1787 | } | |
1788 | EXPORT_SYMBOL(security_ib_endport_manage_subnet); | |
1789 | ||
d291f1a6 DJ |
1790 | int security_ib_alloc_security(void **sec) |
1791 | { | |
1792 | return call_int_hook(ib_alloc_security, 0, sec); | |
1793 | } | |
1794 | EXPORT_SYMBOL(security_ib_alloc_security); | |
1795 | ||
1796 | void security_ib_free_security(void *sec) | |
1797 | { | |
1798 | call_void_hook(ib_free_security, sec); | |
1799 | } | |
1800 | EXPORT_SYMBOL(security_ib_free_security); | |
1801 | #endif /* CONFIG_SECURITY_INFINIBAND */ | |
1802 | ||
20510f2f JM |
1803 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1804 | ||
52a4c640 NA |
1805 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1806 | struct xfrm_user_sec_ctx *sec_ctx, | |
1807 | gfp_t gfp) | |
20510f2f | 1808 | { |
f25fce3e | 1809 | return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); |
20510f2f JM |
1810 | } |
1811 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1812 | ||
03e1ad7b PM |
1813 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1814 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1815 | { |
f25fce3e | 1816 | return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); |
20510f2f JM |
1817 | } |
1818 | ||
03e1ad7b | 1819 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1820 | { |
f25fce3e | 1821 | call_void_hook(xfrm_policy_free_security, ctx); |
20510f2f JM |
1822 | } |
1823 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1824 | ||
03e1ad7b | 1825 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1826 | { |
f25fce3e | 1827 | return call_int_hook(xfrm_policy_delete_security, 0, ctx); |
20510f2f JM |
1828 | } |
1829 | ||
2e5aa866 PM |
1830 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1831 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1832 | { |
f25fce3e | 1833 | return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); |
20510f2f JM |
1834 | } |
1835 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1836 | ||
1837 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1838 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1839 | { | |
f25fce3e | 1840 | return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); |
20510f2f JM |
1841 | } |
1842 | ||
1843 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1844 | { | |
f25fce3e | 1845 | return call_int_hook(xfrm_state_delete_security, 0, x); |
20510f2f JM |
1846 | } |
1847 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1848 | ||
1849 | void security_xfrm_state_free(struct xfrm_state *x) | |
1850 | { | |
f25fce3e | 1851 | call_void_hook(xfrm_state_free_security, x); |
20510f2f JM |
1852 | } |
1853 | ||
03e1ad7b | 1854 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1855 | { |
f25fce3e | 1856 | return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); |
20510f2f JM |
1857 | } |
1858 | ||
1859 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1860 | struct xfrm_policy *xp, |
1861 | const struct flowi *fl) | |
20510f2f | 1862 | { |
b1d9e6b0 CS |
1863 | struct security_hook_list *hp; |
1864 | int rc = 1; | |
1865 | ||
1866 | /* | |
1867 | * Since this function is expected to return 0 or 1, the judgment | |
1868 | * becomes difficult if multiple LSMs supply this call. Fortunately, | |
1869 | * we can use the first LSM's judgment because currently only SELinux | |
1870 | * supplies this call. | |
1871 | * | |
1872 | * For speed optimization, we explicitly break the loop rather than | |
1873 | * using the macro | |
1874 | */ | |
df0ce173 | 1875 | hlist_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, |
b1d9e6b0 CS |
1876 | list) { |
1877 | rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); | |
1878 | break; | |
1879 | } | |
1880 | return rc; | |
20510f2f JM |
1881 | } |
1882 | ||
1883 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1884 | { | |
f25fce3e | 1885 | return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); |
20510f2f JM |
1886 | } |
1887 | ||
1888 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1889 | { | |
f25fce3e CS |
1890 | int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, |
1891 | 0); | |
20510f2f JM |
1892 | |
1893 | BUG_ON(rc); | |
1894 | } | |
1895 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1896 | ||
1897 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1898 | ||
1899 | #ifdef CONFIG_KEYS | |
1900 | ||
d84f4f99 DH |
1901 | int security_key_alloc(struct key *key, const struct cred *cred, |
1902 | unsigned long flags) | |
20510f2f | 1903 | { |
f25fce3e | 1904 | return call_int_hook(key_alloc, 0, key, cred, flags); |
20510f2f JM |
1905 | } |
1906 | ||
1907 | void security_key_free(struct key *key) | |
1908 | { | |
f25fce3e | 1909 | call_void_hook(key_free, key); |
20510f2f JM |
1910 | } |
1911 | ||
1912 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1913 | const struct cred *cred, unsigned perm) |
20510f2f | 1914 | { |
f25fce3e | 1915 | return call_int_hook(key_permission, 0, key_ref, cred, perm); |
20510f2f JM |
1916 | } |
1917 | ||
70a5bb72 DH |
1918 | int security_key_getsecurity(struct key *key, char **_buffer) |
1919 | { | |
b1d9e6b0 | 1920 | *_buffer = NULL; |
f25fce3e | 1921 | return call_int_hook(key_getsecurity, 0, key, _buffer); |
70a5bb72 DH |
1922 | } |
1923 | ||
20510f2f | 1924 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1925 | |
1926 | #ifdef CONFIG_AUDIT | |
1927 | ||
1928 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1929 | { | |
f25fce3e | 1930 | return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); |
03d37d25 AD |
1931 | } |
1932 | ||
1933 | int security_audit_rule_known(struct audit_krule *krule) | |
1934 | { | |
f25fce3e | 1935 | return call_int_hook(audit_rule_known, 0, krule); |
03d37d25 AD |
1936 | } |
1937 | ||
1938 | void security_audit_rule_free(void *lsmrule) | |
1939 | { | |
f25fce3e | 1940 | call_void_hook(audit_rule_free, lsmrule); |
03d37d25 AD |
1941 | } |
1942 | ||
1943 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1944 | struct audit_context *actx) | |
1945 | { | |
f25fce3e CS |
1946 | return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, |
1947 | actx); | |
03d37d25 | 1948 | } |
b1d9e6b0 | 1949 | #endif /* CONFIG_AUDIT */ |
afdb09c7 CF |
1950 | |
1951 | #ifdef CONFIG_BPF_SYSCALL | |
1952 | int security_bpf(int cmd, union bpf_attr *attr, unsigned int size) | |
1953 | { | |
1954 | return call_int_hook(bpf, 0, cmd, attr, size); | |
1955 | } | |
1956 | int security_bpf_map(struct bpf_map *map, fmode_t fmode) | |
1957 | { | |
1958 | return call_int_hook(bpf_map, 0, map, fmode); | |
1959 | } | |
1960 | int security_bpf_prog(struct bpf_prog *prog) | |
1961 | { | |
1962 | return call_int_hook(bpf_prog, 0, prog); | |
1963 | } | |
1964 | int security_bpf_map_alloc(struct bpf_map *map) | |
1965 | { | |
1966 | return call_int_hook(bpf_map_alloc_security, 0, map); | |
1967 | } | |
1968 | int security_bpf_prog_alloc(struct bpf_prog_aux *aux) | |
1969 | { | |
1970 | return call_int_hook(bpf_prog_alloc_security, 0, aux); | |
1971 | } | |
1972 | void security_bpf_map_free(struct bpf_map *map) | |
1973 | { | |
1974 | call_void_hook(bpf_map_free_security, map); | |
1975 | } | |
1976 | void security_bpf_prog_free(struct bpf_prog_aux *aux) | |
1977 | { | |
1978 | call_void_hook(bpf_prog_free_security, aux); | |
1979 | } | |
1980 | #endif /* CONFIG_BPF_SYSCALL */ |