Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Security plug functions | |
3 | * | |
4 | * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com> | |
5 | * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com> | |
6 | * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com> | |
d291f1a6 | 7 | * Copyright (C) 2016 Mellanox Technologies |
1da177e4 LT |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | */ | |
14 | ||
afdb09c7 | 15 | #include <linux/bpf.h> |
c59ede7b | 16 | #include <linux/capability.h> |
d47be3df | 17 | #include <linux/dcache.h> |
1da177e4 LT |
18 | #include <linux/module.h> |
19 | #include <linux/init.h> | |
20 | #include <linux/kernel.h> | |
3c4ed7bd | 21 | #include <linux/lsm_hooks.h> |
f381c272 | 22 | #include <linux/integrity.h> |
6c21a7fb | 23 | #include <linux/ima.h> |
3e1be52d | 24 | #include <linux/evm.h> |
40401530 | 25 | #include <linux/fsnotify.h> |
8b3ec681 AV |
26 | #include <linux/mman.h> |
27 | #include <linux/mount.h> | |
28 | #include <linux/personality.h> | |
75331a59 | 29 | #include <linux/backing-dev.h> |
3bb857e4 | 30 | #include <linux/string.h> |
40401530 | 31 | #include <net/flow.h> |
1da177e4 | 32 | |
58eacfff AB |
33 | #include <trace/events/initcall.h> |
34 | ||
823eb1cc | 35 | #define MAX_LSM_EVM_XATTR 2 |
1da177e4 | 36 | |
b1d9e6b0 CS |
37 | /* Maximum number of letters for an LSM name string */ |
38 | #define SECURITY_NAME_MAX 10 | |
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 */ |
6e65f92f JJ |
45 | static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = |
46 | CONFIG_DEFAULT_SECURITY; | |
1da177e4 | 47 | |
1da177e4 LT |
48 | static void __init do_security_initcalls(void) |
49 | { | |
58eacfff | 50 | int ret; |
1b1eeca7 AB |
51 | initcall_t call; |
52 | initcall_entry_t *ce; | |
53 | ||
54 | ce = __security_initcall_start; | |
58eacfff | 55 | trace_initcall_level("security"); |
1b1eeca7 AB |
56 | while (ce < __security_initcall_end) { |
57 | call = initcall_from_entry(ce); | |
58 | trace_initcall_start(call); | |
59 | ret = call(); | |
60 | trace_initcall_finish(call, ret); | |
61 | ce++; | |
1da177e4 LT |
62 | } |
63 | } | |
64 | ||
65 | /** | |
66 | * security_init - initializes the security framework | |
67 | * | |
68 | * This should be called early in the kernel initialization sequence. | |
69 | */ | |
70 | int __init security_init(void) | |
71 | { | |
3dfc9b02 | 72 | int i; |
df0ce173 | 73 | struct hlist_head *list = (struct hlist_head *) &security_hook_heads; |
3dfc9b02 | 74 | |
df0ce173 | 75 | for (i = 0; i < sizeof(security_hook_heads) / sizeof(struct hlist_head); |
3dfc9b02 | 76 | i++) |
df0ce173 | 77 | INIT_HLIST_HEAD(&list[i]); |
b1d9e6b0 | 78 | pr_info("Security Framework initialized\n"); |
1da177e4 | 79 | |
b1d9e6b0 | 80 | /* |
730daa16 | 81 | * Load minor LSMs, with the capability module always first. |
b1d9e6b0 CS |
82 | */ |
83 | capability_add_hooks(); | |
b1d9e6b0 | 84 | yama_add_hooks(); |
9b091556 | 85 | loadpin_add_hooks(); |
730daa16 | 86 | |
b1d9e6b0 | 87 | /* |
730daa16 | 88 | * Load all the remaining security modules. |
b1d9e6b0 | 89 | */ |
1da177e4 LT |
90 | do_security_initcalls(); |
91 | ||
92 | return 0; | |
93 | } | |
94 | ||
076c54c5 AD |
95 | /* Save user chosen LSM */ |
96 | static int __init choose_lsm(char *str) | |
97 | { | |
98 | strncpy(chosen_lsm, str, SECURITY_NAME_MAX); | |
99 | return 1; | |
100 | } | |
101 | __setup("security=", choose_lsm); | |
102 | ||
3bb857e4 MS |
103 | static bool match_last_lsm(const char *list, const char *lsm) |
104 | { | |
105 | const char *last; | |
106 | ||
107 | if (WARN_ON(!list || !lsm)) | |
108 | return false; | |
109 | last = strrchr(list, ','); | |
110 | if (last) | |
111 | /* Pass the comma, strcmp() will check for '\0' */ | |
112 | last++; | |
113 | else | |
114 | last = list; | |
115 | return !strcmp(last, lsm); | |
116 | } | |
117 | ||
d69dece5 CS |
118 | static int lsm_append(char *new, char **result) |
119 | { | |
120 | char *cp; | |
121 | ||
122 | if (*result == NULL) { | |
123 | *result = kstrdup(new, GFP_KERNEL); | |
87ea5843 EB |
124 | if (*result == NULL) |
125 | return -ENOMEM; | |
d69dece5 | 126 | } else { |
3bb857e4 MS |
127 | /* Check if it is the last registered name */ |
128 | if (match_last_lsm(*result, new)) | |
129 | return 0; | |
d69dece5 CS |
130 | cp = kasprintf(GFP_KERNEL, "%s,%s", *result, new); |
131 | if (cp == NULL) | |
132 | return -ENOMEM; | |
133 | kfree(*result); | |
134 | *result = cp; | |
135 | } | |
136 | return 0; | |
137 | } | |
138 | ||
076c54c5 AD |
139 | /** |
140 | * security_module_enable - Load given security module on boot ? | |
b1d9e6b0 | 141 | * @module: the name of the module |
076c54c5 AD |
142 | * |
143 | * Each LSM must pass this method before registering its own operations | |
144 | * to avoid security registration races. This method may also be used | |
7cea51be | 145 | * to check if your LSM is currently loaded during kernel initialization. |
076c54c5 | 146 | * |
0e056eb5 | 147 | * Returns: |
148 | * | |
149 | * true if: | |
150 | * | |
151 | * - The passed LSM is the one chosen by user at boot time, | |
152 | * - or the passed LSM is configured as the default and the user did not | |
153 | * choose an alternate LSM at boot time. | |
154 | * | |
076c54c5 AD |
155 | * Otherwise, return false. |
156 | */ | |
b1d9e6b0 | 157 | int __init security_module_enable(const char *module) |
076c54c5 | 158 | { |
b1d9e6b0 | 159 | return !strcmp(module, chosen_lsm); |
076c54c5 AD |
160 | } |
161 | ||
d69dece5 CS |
162 | /** |
163 | * security_add_hooks - Add a modules hooks to the hook lists. | |
164 | * @hooks: the hooks to add | |
165 | * @count: the number of hooks to add | |
166 | * @lsm: the name of the security module | |
167 | * | |
168 | * Each LSM has to register its hooks with the infrastructure. | |
169 | */ | |
170 | void __init security_add_hooks(struct security_hook_list *hooks, int count, | |
171 | char *lsm) | |
172 | { | |
173 | int i; | |
174 | ||
175 | for (i = 0; i < count; i++) { | |
176 | hooks[i].lsm = lsm; | |
df0ce173 | 177 | hlist_add_tail_rcu(&hooks[i].list, hooks[i].head); |
d69dece5 CS |
178 | } |
179 | if (lsm_append(lsm, &lsm_names) < 0) | |
180 | panic("%s - Cannot get early memory.\n", __func__); | |
181 | } | |
182 | ||
8f408ab6 DJ |
183 | int call_lsm_notifier(enum lsm_event event, void *data) |
184 | { | |
185 | return atomic_notifier_call_chain(&lsm_notifier_chain, event, data); | |
186 | } | |
187 | EXPORT_SYMBOL(call_lsm_notifier); | |
188 | ||
189 | int register_lsm_notifier(struct notifier_block *nb) | |
190 | { | |
191 | return atomic_notifier_chain_register(&lsm_notifier_chain, nb); | |
192 | } | |
193 | EXPORT_SYMBOL(register_lsm_notifier); | |
194 | ||
195 | int unregister_lsm_notifier(struct notifier_block *nb) | |
196 | { | |
197 | return atomic_notifier_chain_unregister(&lsm_notifier_chain, nb); | |
198 | } | |
199 | EXPORT_SYMBOL(unregister_lsm_notifier); | |
200 | ||
f25fce3e | 201 | /* |
b1d9e6b0 | 202 | * Hook list operation macros. |
1da177e4 | 203 | * |
f25fce3e CS |
204 | * call_void_hook: |
205 | * This is a hook that does not return a value. | |
1da177e4 | 206 | * |
f25fce3e CS |
207 | * call_int_hook: |
208 | * This is a hook that returns a value. | |
1da177e4 | 209 | */ |
1da177e4 | 210 | |
b1d9e6b0 CS |
211 | #define call_void_hook(FUNC, ...) \ |
212 | do { \ | |
213 | struct security_hook_list *P; \ | |
214 | \ | |
df0ce173 | 215 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) \ |
b1d9e6b0 CS |
216 | P->hook.FUNC(__VA_ARGS__); \ |
217 | } while (0) | |
218 | ||
219 | #define call_int_hook(FUNC, IRC, ...) ({ \ | |
220 | int RC = IRC; \ | |
221 | do { \ | |
222 | struct security_hook_list *P; \ | |
223 | \ | |
df0ce173 | 224 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) { \ |
b1d9e6b0 CS |
225 | RC = P->hook.FUNC(__VA_ARGS__); \ |
226 | if (RC != 0) \ | |
227 | break; \ | |
228 | } \ | |
229 | } while (0); \ | |
230 | RC; \ | |
231 | }) | |
1da177e4 | 232 | |
20510f2f JM |
233 | /* Security operations */ |
234 | ||
79af7307 SS |
235 | int security_binder_set_context_mgr(struct task_struct *mgr) |
236 | { | |
f25fce3e | 237 | return call_int_hook(binder_set_context_mgr, 0, mgr); |
79af7307 SS |
238 | } |
239 | ||
240 | int security_binder_transaction(struct task_struct *from, | |
241 | struct task_struct *to) | |
242 | { | |
f25fce3e | 243 | return call_int_hook(binder_transaction, 0, from, to); |
79af7307 SS |
244 | } |
245 | ||
246 | int security_binder_transfer_binder(struct task_struct *from, | |
247 | struct task_struct *to) | |
248 | { | |
f25fce3e | 249 | return call_int_hook(binder_transfer_binder, 0, from, to); |
79af7307 SS |
250 | } |
251 | ||
252 | int security_binder_transfer_file(struct task_struct *from, | |
253 | struct task_struct *to, struct file *file) | |
254 | { | |
f25fce3e | 255 | return call_int_hook(binder_transfer_file, 0, from, to, file); |
79af7307 SS |
256 | } |
257 | ||
9e48858f | 258 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 259 | { |
f25fce3e | 260 | return call_int_hook(ptrace_access_check, 0, child, mode); |
5cd9c58f DH |
261 | } |
262 | ||
263 | int security_ptrace_traceme(struct task_struct *parent) | |
264 | { | |
f25fce3e | 265 | return call_int_hook(ptrace_traceme, 0, parent); |
20510f2f JM |
266 | } |
267 | ||
268 | int security_capget(struct task_struct *target, | |
269 | kernel_cap_t *effective, | |
270 | kernel_cap_t *inheritable, | |
271 | kernel_cap_t *permitted) | |
272 | { | |
f25fce3e CS |
273 | return call_int_hook(capget, 0, target, |
274 | effective, inheritable, permitted); | |
20510f2f JM |
275 | } |
276 | ||
d84f4f99 DH |
277 | int security_capset(struct cred *new, const struct cred *old, |
278 | const kernel_cap_t *effective, | |
279 | const kernel_cap_t *inheritable, | |
280 | const kernel_cap_t *permitted) | |
20510f2f | 281 | { |
f25fce3e CS |
282 | return call_int_hook(capset, 0, new, old, |
283 | effective, inheritable, permitted); | |
20510f2f JM |
284 | } |
285 | ||
b7e724d3 | 286 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 287 | int cap) |
20510f2f | 288 | { |
f25fce3e | 289 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
290 | } |
291 | ||
c7eba4a9 EP |
292 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
293 | int cap) | |
06112163 | 294 | { |
f25fce3e | 295 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
296 | } |
297 | ||
20510f2f JM |
298 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
299 | { | |
f25fce3e | 300 | return call_int_hook(quotactl, 0, cmds, type, id, sb); |
20510f2f JM |
301 | } |
302 | ||
303 | int security_quota_on(struct dentry *dentry) | |
304 | { | |
f25fce3e | 305 | return call_int_hook(quota_on, 0, dentry); |
20510f2f JM |
306 | } |
307 | ||
12b3052c | 308 | int security_syslog(int type) |
20510f2f | 309 | { |
f25fce3e | 310 | return call_int_hook(syslog, 0, type); |
20510f2f JM |
311 | } |
312 | ||
457db29b | 313 | int security_settime64(const struct timespec64 *ts, const struct timezone *tz) |
20510f2f | 314 | { |
f25fce3e | 315 | return call_int_hook(settime, 0, ts, tz); |
20510f2f JM |
316 | } |
317 | ||
20510f2f JM |
318 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
319 | { | |
b1d9e6b0 CS |
320 | struct security_hook_list *hp; |
321 | int cap_sys_admin = 1; | |
322 | int rc; | |
323 | ||
324 | /* | |
325 | * The module will respond with a positive value if | |
326 | * it thinks the __vm_enough_memory() call should be | |
327 | * made with the cap_sys_admin set. If all of the modules | |
328 | * agree that it should be set it will. If any module | |
329 | * thinks it should not be set it won't. | |
330 | */ | |
df0ce173 | 331 | hlist_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) { |
b1d9e6b0 CS |
332 | rc = hp->hook.vm_enough_memory(mm, pages); |
333 | if (rc <= 0) { | |
334 | cap_sys_admin = 0; | |
335 | break; | |
336 | } | |
337 | } | |
338 | return __vm_enough_memory(mm, pages, cap_sys_admin); | |
20510f2f JM |
339 | } |
340 | ||
a6f76f23 | 341 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 342 | { |
f25fce3e | 343 | return call_int_hook(bprm_set_creds, 0, bprm); |
20510f2f JM |
344 | } |
345 | ||
a6f76f23 | 346 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 347 | { |
6c21a7fb MZ |
348 | int ret; |
349 | ||
f25fce3e | 350 | ret = call_int_hook(bprm_check_security, 0, bprm); |
6c21a7fb MZ |
351 | if (ret) |
352 | return ret; | |
353 | return ima_bprm_check(bprm); | |
20510f2f JM |
354 | } |
355 | ||
a6f76f23 | 356 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 357 | { |
f25fce3e | 358 | call_void_hook(bprm_committing_creds, bprm); |
20510f2f JM |
359 | } |
360 | ||
a6f76f23 | 361 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 362 | { |
f25fce3e | 363 | call_void_hook(bprm_committed_creds, bprm); |
20510f2f JM |
364 | } |
365 | ||
20510f2f JM |
366 | int security_sb_alloc(struct super_block *sb) |
367 | { | |
f25fce3e | 368 | return call_int_hook(sb_alloc_security, 0, sb); |
20510f2f JM |
369 | } |
370 | ||
371 | void security_sb_free(struct super_block *sb) | |
372 | { | |
f25fce3e | 373 | call_void_hook(sb_free_security, sb); |
20510f2f JM |
374 | } |
375 | ||
e0007529 | 376 | int security_sb_copy_data(char *orig, char *copy) |
20510f2f | 377 | { |
f25fce3e | 378 | return call_int_hook(sb_copy_data, 0, orig, copy); |
20510f2f | 379 | } |
e0007529 | 380 | EXPORT_SYMBOL(security_sb_copy_data); |
20510f2f | 381 | |
ff36fe2c EP |
382 | int security_sb_remount(struct super_block *sb, void *data) |
383 | { | |
f25fce3e | 384 | return call_int_hook(sb_remount, 0, sb, data); |
ff36fe2c EP |
385 | } |
386 | ||
12204e24 | 387 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
20510f2f | 388 | { |
f25fce3e | 389 | return call_int_hook(sb_kern_mount, 0, sb, flags, data); |
20510f2f JM |
390 | } |
391 | ||
2069f457 EP |
392 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
393 | { | |
f25fce3e | 394 | return call_int_hook(sb_show_options, 0, m, sb); |
2069f457 EP |
395 | } |
396 | ||
20510f2f JM |
397 | int security_sb_statfs(struct dentry *dentry) |
398 | { | |
f25fce3e | 399 | return call_int_hook(sb_statfs, 0, dentry); |
20510f2f JM |
400 | } |
401 | ||
8a04c43b | 402 | int security_sb_mount(const char *dev_name, const struct path *path, |
808d4e3c | 403 | const char *type, unsigned long flags, void *data) |
20510f2f | 404 | { |
f25fce3e | 405 | return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data); |
20510f2f JM |
406 | } |
407 | ||
20510f2f JM |
408 | int security_sb_umount(struct vfsmount *mnt, int flags) |
409 | { | |
f25fce3e | 410 | return call_int_hook(sb_umount, 0, mnt, flags); |
20510f2f JM |
411 | } |
412 | ||
3b73b68c | 413 | int security_sb_pivotroot(const struct path *old_path, const struct path *new_path) |
20510f2f | 414 | { |
f25fce3e | 415 | return call_int_hook(sb_pivotroot, 0, old_path, new_path); |
20510f2f JM |
416 | } |
417 | ||
c9180a57 | 418 | int security_sb_set_mnt_opts(struct super_block *sb, |
649f6e77 DQ |
419 | struct security_mnt_opts *opts, |
420 | unsigned long kern_flags, | |
421 | unsigned long *set_kern_flags) | |
c9180a57 | 422 | { |
b1d9e6b0 CS |
423 | return call_int_hook(sb_set_mnt_opts, |
424 | opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb, | |
425 | opts, kern_flags, set_kern_flags); | |
c9180a57 | 426 | } |
e0007529 | 427 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 428 | |
094f7b69 | 429 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
0b4d3452 SM |
430 | struct super_block *newsb, |
431 | unsigned long kern_flags, | |
432 | unsigned long *set_kern_flags) | |
c9180a57 | 433 | { |
0b4d3452 SM |
434 | return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb, |
435 | kern_flags, set_kern_flags); | |
c9180a57 | 436 | } |
e0007529 EP |
437 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
438 | ||
439 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
440 | { | |
f25fce3e | 441 | return call_int_hook(sb_parse_opts_str, 0, options, opts); |
e0007529 EP |
442 | } |
443 | EXPORT_SYMBOL(security_sb_parse_opts_str); | |
c9180a57 | 444 | |
20510f2f JM |
445 | int security_inode_alloc(struct inode *inode) |
446 | { | |
447 | inode->i_security = NULL; | |
f25fce3e | 448 | return call_int_hook(inode_alloc_security, 0, inode); |
20510f2f JM |
449 | } |
450 | ||
451 | void security_inode_free(struct inode *inode) | |
452 | { | |
f381c272 | 453 | integrity_inode_free(inode); |
f25fce3e | 454 | call_void_hook(inode_free_security, inode); |
20510f2f JM |
455 | } |
456 | ||
d47be3df | 457 | int security_dentry_init_security(struct dentry *dentry, int mode, |
4f3ccd76 | 458 | const struct qstr *name, void **ctx, |
d47be3df DQ |
459 | u32 *ctxlen) |
460 | { | |
b1d9e6b0 CS |
461 | return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode, |
462 | name, ctx, ctxlen); | |
d47be3df DQ |
463 | } |
464 | EXPORT_SYMBOL(security_dentry_init_security); | |
465 | ||
2602625b VG |
466 | int security_dentry_create_files_as(struct dentry *dentry, int mode, |
467 | struct qstr *name, | |
468 | const struct cred *old, struct cred *new) | |
469 | { | |
470 | return call_int_hook(dentry_create_files_as, 0, dentry, mode, | |
471 | name, old, new); | |
472 | } | |
473 | EXPORT_SYMBOL(security_dentry_create_files_as); | |
474 | ||
20510f2f | 475 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
476 | const struct qstr *qstr, |
477 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 478 | { |
823eb1cc MZ |
479 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
480 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
481 | int ret; |
482 | ||
20510f2f | 483 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 484 | return 0; |
9d8f13ba | 485 | |
9d8f13ba | 486 | if (!initxattrs) |
e308fd3b JB |
487 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, |
488 | dir, qstr, NULL, NULL, NULL); | |
9548906b | 489 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
9d8f13ba | 490 | lsm_xattr = new_xattrs; |
b1d9e6b0 | 491 | ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, |
9d8f13ba MZ |
492 | &lsm_xattr->name, |
493 | &lsm_xattr->value, | |
494 | &lsm_xattr->value_len); | |
495 | if (ret) | |
496 | goto out; | |
823eb1cc MZ |
497 | |
498 | evm_xattr = lsm_xattr + 1; | |
499 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
500 | if (ret) | |
501 | goto out; | |
9d8f13ba MZ |
502 | ret = initxattrs(inode, new_xattrs, fs_data); |
503 | out: | |
9548906b | 504 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
823eb1cc | 505 | kfree(xattr->value); |
9d8f13ba MZ |
506 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
507 | } | |
508 | EXPORT_SYMBOL(security_inode_init_security); | |
509 | ||
510 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 511 | const struct qstr *qstr, const char **name, |
9d8f13ba | 512 | void **value, size_t *len) |
20510f2f JM |
513 | { |
514 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 515 | return -EOPNOTSUPP; |
e308fd3b JB |
516 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, |
517 | qstr, name, value, len); | |
20510f2f | 518 | } |
9d8f13ba | 519 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 520 | |
be6d3e56 | 521 | #ifdef CONFIG_SECURITY_PATH |
d3607752 | 522 | int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
523 | unsigned int dev) |
524 | { | |
c6f493d6 | 525 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 526 | return 0; |
f25fce3e | 527 | return call_int_hook(path_mknod, 0, dir, dentry, mode, dev); |
be6d3e56 KT |
528 | } |
529 | EXPORT_SYMBOL(security_path_mknod); | |
530 | ||
d3607752 | 531 | int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 532 | { |
c6f493d6 | 533 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 534 | return 0; |
f25fce3e | 535 | return call_int_hook(path_mkdir, 0, dir, dentry, mode); |
be6d3e56 | 536 | } |
82140443 | 537 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 538 | |
989f74e0 | 539 | int security_path_rmdir(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 540 | { |
c6f493d6 | 541 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 542 | return 0; |
f25fce3e | 543 | return call_int_hook(path_rmdir, 0, dir, dentry); |
be6d3e56 KT |
544 | } |
545 | ||
989f74e0 | 546 | int security_path_unlink(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 547 | { |
c6f493d6 | 548 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 549 | return 0; |
f25fce3e | 550 | return call_int_hook(path_unlink, 0, dir, dentry); |
be6d3e56 | 551 | } |
82140443 | 552 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 553 | |
d3607752 | 554 | int security_path_symlink(const struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
555 | const char *old_name) |
556 | { | |
c6f493d6 | 557 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 558 | return 0; |
f25fce3e | 559 | return call_int_hook(path_symlink, 0, dir, dentry, old_name); |
be6d3e56 KT |
560 | } |
561 | ||
3ccee46a | 562 | int security_path_link(struct dentry *old_dentry, const struct path *new_dir, |
be6d3e56 KT |
563 | struct dentry *new_dentry) |
564 | { | |
c6f493d6 | 565 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
be6d3e56 | 566 | return 0; |
f25fce3e | 567 | return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry); |
be6d3e56 KT |
568 | } |
569 | ||
3ccee46a AV |
570 | int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, |
571 | const struct path *new_dir, struct dentry *new_dentry, | |
0b3974eb | 572 | unsigned int flags) |
be6d3e56 | 573 | { |
c6f493d6 DH |
574 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
575 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
be6d3e56 | 576 | return 0; |
da1ce067 MS |
577 | |
578 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e CS |
579 | int err = call_int_hook(path_rename, 0, new_dir, new_dentry, |
580 | old_dir, old_dentry); | |
da1ce067 MS |
581 | if (err) |
582 | return err; | |
583 | } | |
584 | ||
f25fce3e CS |
585 | return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, |
586 | new_dentry); | |
be6d3e56 | 587 | } |
82140443 | 588 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 589 | |
81f4c506 | 590 | int security_path_truncate(const struct path *path) |
be6d3e56 | 591 | { |
c6f493d6 | 592 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
be6d3e56 | 593 | return 0; |
f25fce3e | 594 | return call_int_hook(path_truncate, 0, path); |
be6d3e56 | 595 | } |
89eda068 | 596 | |
be01f9f2 | 597 | int security_path_chmod(const struct path *path, umode_t mode) |
89eda068 | 598 | { |
c6f493d6 | 599 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 600 | return 0; |
f25fce3e | 601 | return call_int_hook(path_chmod, 0, path, mode); |
89eda068 TH |
602 | } |
603 | ||
7fd25dac | 604 | int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
89eda068 | 605 | { |
c6f493d6 | 606 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 607 | return 0; |
f25fce3e | 608 | return call_int_hook(path_chown, 0, path, uid, gid); |
89eda068 | 609 | } |
8b8efb44 | 610 | |
77b286c0 | 611 | int security_path_chroot(const struct path *path) |
8b8efb44 | 612 | { |
f25fce3e | 613 | return call_int_hook(path_chroot, 0, path); |
8b8efb44 | 614 | } |
be6d3e56 KT |
615 | #endif |
616 | ||
4acdaf27 | 617 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
618 | { |
619 | if (unlikely(IS_PRIVATE(dir))) | |
620 | return 0; | |
f25fce3e | 621 | return call_int_hook(inode_create, 0, dir, dentry, mode); |
20510f2f | 622 | } |
800a9647 | 623 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
624 | |
625 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
626 | struct dentry *new_dentry) | |
627 | { | |
c6f493d6 | 628 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
20510f2f | 629 | return 0; |
f25fce3e | 630 | return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry); |
20510f2f JM |
631 | } |
632 | ||
633 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
634 | { | |
c6f493d6 | 635 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 636 | return 0; |
f25fce3e | 637 | return call_int_hook(inode_unlink, 0, dir, dentry); |
20510f2f JM |
638 | } |
639 | ||
640 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
641 | const char *old_name) | |
642 | { | |
643 | if (unlikely(IS_PRIVATE(dir))) | |
644 | return 0; | |
f25fce3e | 645 | return call_int_hook(inode_symlink, 0, dir, dentry, old_name); |
20510f2f JM |
646 | } |
647 | ||
18bb1db3 | 648 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
649 | { |
650 | if (unlikely(IS_PRIVATE(dir))) | |
651 | return 0; | |
f25fce3e | 652 | return call_int_hook(inode_mkdir, 0, dir, dentry, mode); |
20510f2f | 653 | } |
800a9647 | 654 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
655 | |
656 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
657 | { | |
c6f493d6 | 658 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 659 | return 0; |
f25fce3e | 660 | return call_int_hook(inode_rmdir, 0, dir, dentry); |
20510f2f JM |
661 | } |
662 | ||
1a67aafb | 663 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
664 | { |
665 | if (unlikely(IS_PRIVATE(dir))) | |
666 | return 0; | |
f25fce3e | 667 | return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev); |
20510f2f JM |
668 | } |
669 | ||
670 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
671 | struct inode *new_dir, struct dentry *new_dentry, |
672 | unsigned int flags) | |
20510f2f | 673 | { |
c6f493d6 DH |
674 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
675 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
20510f2f | 676 | return 0; |
da1ce067 MS |
677 | |
678 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e | 679 | int err = call_int_hook(inode_rename, 0, new_dir, new_dentry, |
da1ce067 MS |
680 | old_dir, old_dentry); |
681 | if (err) | |
682 | return err; | |
683 | } | |
684 | ||
f25fce3e | 685 | return call_int_hook(inode_rename, 0, old_dir, old_dentry, |
20510f2f JM |
686 | new_dir, new_dentry); |
687 | } | |
688 | ||
689 | int security_inode_readlink(struct dentry *dentry) | |
690 | { | |
c6f493d6 | 691 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 692 | return 0; |
f25fce3e | 693 | return call_int_hook(inode_readlink, 0, dentry); |
20510f2f JM |
694 | } |
695 | ||
bda0be7a N |
696 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
697 | bool rcu) | |
20510f2f | 698 | { |
bda0be7a | 699 | if (unlikely(IS_PRIVATE(inode))) |
20510f2f | 700 | return 0; |
e22619a2 | 701 | return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); |
20510f2f JM |
702 | } |
703 | ||
b77b0646 | 704 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
705 | { |
706 | if (unlikely(IS_PRIVATE(inode))) | |
707 | return 0; | |
f25fce3e | 708 | return call_int_hook(inode_permission, 0, inode, mask); |
20510f2f JM |
709 | } |
710 | ||
711 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
712 | { | |
817b54aa MZ |
713 | int ret; |
714 | ||
c6f493d6 | 715 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 716 | return 0; |
f25fce3e | 717 | ret = call_int_hook(inode_setattr, 0, dentry, attr); |
817b54aa MZ |
718 | if (ret) |
719 | return ret; | |
720 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 721 | } |
b1da47e2 | 722 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 723 | |
3f7036a0 | 724 | int security_inode_getattr(const struct path *path) |
20510f2f | 725 | { |
c6f493d6 | 726 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 727 | return 0; |
f25fce3e | 728 | return call_int_hook(inode_getattr, 0, path); |
20510f2f JM |
729 | } |
730 | ||
8f0cfa52 DH |
731 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
732 | const void *value, size_t size, int flags) | |
20510f2f | 733 | { |
3e1be52d MZ |
734 | int ret; |
735 | ||
c6f493d6 | 736 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 737 | return 0; |
b1d9e6b0 CS |
738 | /* |
739 | * SELinux and Smack integrate the cap call, | |
740 | * so assume that all LSMs supplying this call do so. | |
741 | */ | |
742 | ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, | |
f25fce3e | 743 | flags); |
b1d9e6b0 CS |
744 | |
745 | if (ret == 1) | |
746 | ret = cap_inode_setxattr(dentry, name, value, size, flags); | |
42c63330 MZ |
747 | if (ret) |
748 | return ret; | |
749 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
750 | if (ret) |
751 | return ret; | |
752 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
753 | } |
754 | ||
8f0cfa52 DH |
755 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
756 | const void *value, size_t size, int flags) | |
20510f2f | 757 | { |
c6f493d6 | 758 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 759 | return; |
f25fce3e | 760 | call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); |
3e1be52d | 761 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
762 | } |
763 | ||
8f0cfa52 | 764 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 765 | { |
c6f493d6 | 766 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 767 | return 0; |
f25fce3e | 768 | return call_int_hook(inode_getxattr, 0, dentry, name); |
20510f2f JM |
769 | } |
770 | ||
771 | int security_inode_listxattr(struct dentry *dentry) | |
772 | { | |
c6f493d6 | 773 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 774 | return 0; |
f25fce3e | 775 | return call_int_hook(inode_listxattr, 0, dentry); |
20510f2f JM |
776 | } |
777 | ||
8f0cfa52 | 778 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 779 | { |
3e1be52d MZ |
780 | int ret; |
781 | ||
c6f493d6 | 782 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 783 | return 0; |
b1d9e6b0 CS |
784 | /* |
785 | * SELinux and Smack integrate the cap call, | |
786 | * so assume that all LSMs supplying this call do so. | |
787 | */ | |
788 | ret = call_int_hook(inode_removexattr, 1, dentry, name); | |
789 | if (ret == 1) | |
790 | ret = cap_inode_removexattr(dentry, name); | |
42c63330 MZ |
791 | if (ret) |
792 | return ret; | |
793 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
794 | if (ret) |
795 | return ret; | |
796 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
797 | } |
798 | ||
b5376771 SH |
799 | int security_inode_need_killpriv(struct dentry *dentry) |
800 | { | |
f25fce3e | 801 | return call_int_hook(inode_need_killpriv, 0, dentry); |
b5376771 SH |
802 | } |
803 | ||
804 | int security_inode_killpriv(struct dentry *dentry) | |
805 | { | |
f25fce3e | 806 | return call_int_hook(inode_killpriv, 0, dentry); |
b5376771 SH |
807 | } |
808 | ||
ea861dfd | 809 | int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f | 810 | { |
2885c1e3 CS |
811 | struct security_hook_list *hp; |
812 | int rc; | |
813 | ||
20510f2f | 814 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 815 | return -EOPNOTSUPP; |
2885c1e3 CS |
816 | /* |
817 | * Only one module will provide an attribute with a given name. | |
818 | */ | |
df0ce173 | 819 | hlist_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { |
2885c1e3 CS |
820 | rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); |
821 | if (rc != -EOPNOTSUPP) | |
822 | return rc; | |
823 | } | |
824 | return -EOPNOTSUPP; | |
20510f2f JM |
825 | } |
826 | ||
827 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
828 | { | |
2885c1e3 CS |
829 | struct security_hook_list *hp; |
830 | int rc; | |
831 | ||
20510f2f | 832 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 833 | return -EOPNOTSUPP; |
2885c1e3 CS |
834 | /* |
835 | * Only one module will provide an attribute with a given name. | |
836 | */ | |
df0ce173 | 837 | hlist_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { |
2885c1e3 CS |
838 | rc = hp->hook.inode_setsecurity(inode, name, value, size, |
839 | flags); | |
840 | if (rc != -EOPNOTSUPP) | |
841 | return rc; | |
842 | } | |
843 | return -EOPNOTSUPP; | |
20510f2f JM |
844 | } |
845 | ||
846 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
847 | { | |
848 | if (unlikely(IS_PRIVATE(inode))) | |
849 | return 0; | |
f25fce3e | 850 | return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); |
20510f2f | 851 | } |
c9bccef6 | 852 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 853 | |
d6335d77 | 854 | void security_inode_getsecid(struct inode *inode, u32 *secid) |
8a076191 | 855 | { |
f25fce3e | 856 | call_void_hook(inode_getsecid, inode, secid); |
8a076191 AD |
857 | } |
858 | ||
d8ad8b49 VG |
859 | int security_inode_copy_up(struct dentry *src, struct cred **new) |
860 | { | |
861 | return call_int_hook(inode_copy_up, 0, src, new); | |
862 | } | |
863 | EXPORT_SYMBOL(security_inode_copy_up); | |
864 | ||
121ab822 VG |
865 | int security_inode_copy_up_xattr(const char *name) |
866 | { | |
867 | return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); | |
868 | } | |
869 | EXPORT_SYMBOL(security_inode_copy_up_xattr); | |
870 | ||
20510f2f JM |
871 | int security_file_permission(struct file *file, int mask) |
872 | { | |
c4ec54b4 EP |
873 | int ret; |
874 | ||
f25fce3e | 875 | ret = call_int_hook(file_permission, 0, file, mask); |
c4ec54b4 EP |
876 | if (ret) |
877 | return ret; | |
878 | ||
879 | return fsnotify_perm(file, mask); | |
20510f2f JM |
880 | } |
881 | ||
882 | int security_file_alloc(struct file *file) | |
883 | { | |
f25fce3e | 884 | return call_int_hook(file_alloc_security, 0, file); |
20510f2f JM |
885 | } |
886 | ||
887 | void security_file_free(struct file *file) | |
888 | { | |
f25fce3e | 889 | call_void_hook(file_free_security, file); |
20510f2f JM |
890 | } |
891 | ||
892 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
893 | { | |
f25fce3e | 894 | return call_int_hook(file_ioctl, 0, file, cmd, arg); |
20510f2f JM |
895 | } |
896 | ||
98de59bf | 897 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 898 | { |
8b3ec681 | 899 | /* |
98de59bf AV |
900 | * Does we have PROT_READ and does the application expect |
901 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 902 | */ |
98de59bf AV |
903 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
904 | return prot; | |
8b3ec681 | 905 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
906 | return prot; |
907 | /* | |
908 | * if that's an anonymous mapping, let it. | |
909 | */ | |
910 | if (!file) | |
911 | return prot | PROT_EXEC; | |
912 | /* | |
913 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 914 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf | 915 | */ |
90f8572b | 916 | if (!path_noexec(&file->f_path)) { |
8b3ec681 | 917 | #ifndef CONFIG_MMU |
b4caecd4 CH |
918 | if (file->f_op->mmap_capabilities) { |
919 | unsigned caps = file->f_op->mmap_capabilities(file); | |
920 | if (!(caps & NOMMU_MAP_EXEC)) | |
921 | return prot; | |
922 | } | |
8b3ec681 | 923 | #endif |
98de59bf | 924 | return prot | PROT_EXEC; |
8b3ec681 | 925 | } |
98de59bf AV |
926 | /* anything on noexec mount won't get PROT_EXEC */ |
927 | return prot; | |
928 | } | |
929 | ||
930 | int security_mmap_file(struct file *file, unsigned long prot, | |
931 | unsigned long flags) | |
932 | { | |
933 | int ret; | |
f25fce3e | 934 | ret = call_int_hook(mmap_file, 0, file, prot, |
98de59bf | 935 | mmap_prot(file, prot), flags); |
6c21a7fb MZ |
936 | if (ret) |
937 | return ret; | |
938 | return ima_file_mmap(file, prot); | |
20510f2f JM |
939 | } |
940 | ||
e5467859 AV |
941 | int security_mmap_addr(unsigned long addr) |
942 | { | |
f25fce3e | 943 | return call_int_hook(mmap_addr, 0, addr); |
e5467859 AV |
944 | } |
945 | ||
20510f2f JM |
946 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
947 | unsigned long prot) | |
948 | { | |
f25fce3e | 949 | return call_int_hook(file_mprotect, 0, vma, reqprot, prot); |
20510f2f JM |
950 | } |
951 | ||
952 | int security_file_lock(struct file *file, unsigned int cmd) | |
953 | { | |
f25fce3e | 954 | return call_int_hook(file_lock, 0, file, cmd); |
20510f2f JM |
955 | } |
956 | ||
957 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
958 | { | |
f25fce3e | 959 | return call_int_hook(file_fcntl, 0, file, cmd, arg); |
20510f2f JM |
960 | } |
961 | ||
e0b93edd | 962 | void security_file_set_fowner(struct file *file) |
20510f2f | 963 | { |
f25fce3e | 964 | call_void_hook(file_set_fowner, file); |
20510f2f JM |
965 | } |
966 | ||
967 | int security_file_send_sigiotask(struct task_struct *tsk, | |
968 | struct fown_struct *fown, int sig) | |
969 | { | |
f25fce3e | 970 | return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); |
20510f2f JM |
971 | } |
972 | ||
973 | int security_file_receive(struct file *file) | |
974 | { | |
f25fce3e | 975 | return call_int_hook(file_receive, 0, file); |
20510f2f JM |
976 | } |
977 | ||
e3f20ae2 | 978 | int security_file_open(struct file *file) |
20510f2f | 979 | { |
c4ec54b4 EP |
980 | int ret; |
981 | ||
94817692 | 982 | ret = call_int_hook(file_open, 0, file); |
c4ec54b4 EP |
983 | if (ret) |
984 | return ret; | |
985 | ||
986 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
987 | } |
988 | ||
e4e55b47 TH |
989 | int security_task_alloc(struct task_struct *task, unsigned long clone_flags) |
990 | { | |
991 | return call_int_hook(task_alloc, 0, task, clone_flags); | |
992 | } | |
993 | ||
1a2a4d06 KC |
994 | void security_task_free(struct task_struct *task) |
995 | { | |
f25fce3e | 996 | call_void_hook(task_free, task); |
1a2a4d06 KC |
997 | } |
998 | ||
ee18d64c DH |
999 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
1000 | { | |
f25fce3e | 1001 | return call_int_hook(cred_alloc_blank, 0, cred, gfp); |
ee18d64c DH |
1002 | } |
1003 | ||
d84f4f99 | 1004 | void security_cred_free(struct cred *cred) |
20510f2f | 1005 | { |
f25fce3e | 1006 | call_void_hook(cred_free, cred); |
20510f2f JM |
1007 | } |
1008 | ||
d84f4f99 | 1009 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 1010 | { |
f25fce3e | 1011 | return call_int_hook(cred_prepare, 0, new, old, gfp); |
d84f4f99 DH |
1012 | } |
1013 | ||
ee18d64c DH |
1014 | void security_transfer_creds(struct cred *new, const struct cred *old) |
1015 | { | |
f25fce3e | 1016 | call_void_hook(cred_transfer, new, old); |
ee18d64c DH |
1017 | } |
1018 | ||
3ec30113 MG |
1019 | void security_cred_getsecid(const struct cred *c, u32 *secid) |
1020 | { | |
1021 | *secid = 0; | |
1022 | call_void_hook(cred_getsecid, c, secid); | |
1023 | } | |
1024 | EXPORT_SYMBOL(security_cred_getsecid); | |
1025 | ||
3a3b7ce9 DH |
1026 | int security_kernel_act_as(struct cred *new, u32 secid) |
1027 | { | |
f25fce3e | 1028 | return call_int_hook(kernel_act_as, 0, new, secid); |
3a3b7ce9 DH |
1029 | } |
1030 | ||
1031 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
1032 | { | |
f25fce3e | 1033 | return call_int_hook(kernel_create_files_as, 0, new, inode); |
3a3b7ce9 DH |
1034 | } |
1035 | ||
dd8dbf2e | 1036 | int security_kernel_module_request(char *kmod_name) |
9188499c | 1037 | { |
6eb864c1 MK |
1038 | int ret; |
1039 | ||
1040 | ret = call_int_hook(kernel_module_request, 0, kmod_name); | |
1041 | if (ret) | |
1042 | return ret; | |
1043 | return integrity_kernel_module_request(kmod_name); | |
9188499c EP |
1044 | } |
1045 | ||
39eeb4fb MZ |
1046 | int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) |
1047 | { | |
1048 | int ret; | |
1049 | ||
1050 | ret = call_int_hook(kernel_read_file, 0, file, id); | |
1051 | if (ret) | |
1052 | return ret; | |
1053 | return ima_read_file(file, id); | |
1054 | } | |
1055 | EXPORT_SYMBOL_GPL(security_kernel_read_file); | |
1056 | ||
bc8ca5b9 MZ |
1057 | int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, |
1058 | enum kernel_read_file_id id) | |
b44a7dfc | 1059 | { |
cf222217 MZ |
1060 | int ret; |
1061 | ||
1062 | ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); | |
1063 | if (ret) | |
1064 | return ret; | |
1065 | return ima_post_read_file(file, buf, size, id); | |
b44a7dfc MZ |
1066 | } |
1067 | EXPORT_SYMBOL_GPL(security_kernel_post_read_file); | |
1068 | ||
377179cd MZ |
1069 | int security_kernel_load_data(enum kernel_load_data_id id) |
1070 | { | |
16c267aa MZ |
1071 | int ret; |
1072 | ||
1073 | ret = call_int_hook(kernel_load_data, 0, id); | |
1074 | if (ret) | |
1075 | return ret; | |
1076 | return ima_load_data(id); | |
377179cd | 1077 | } |
83a68a06 | 1078 | EXPORT_SYMBOL_GPL(security_kernel_load_data); |
377179cd | 1079 | |
d84f4f99 DH |
1080 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
1081 | int flags) | |
20510f2f | 1082 | { |
f25fce3e | 1083 | return call_int_hook(task_fix_setuid, 0, new, old, flags); |
20510f2f JM |
1084 | } |
1085 | ||
20510f2f JM |
1086 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
1087 | { | |
f25fce3e | 1088 | return call_int_hook(task_setpgid, 0, p, pgid); |
20510f2f JM |
1089 | } |
1090 | ||
1091 | int security_task_getpgid(struct task_struct *p) | |
1092 | { | |
f25fce3e | 1093 | return call_int_hook(task_getpgid, 0, p); |
20510f2f JM |
1094 | } |
1095 | ||
1096 | int security_task_getsid(struct task_struct *p) | |
1097 | { | |
f25fce3e | 1098 | return call_int_hook(task_getsid, 0, p); |
20510f2f JM |
1099 | } |
1100 | ||
1101 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
1102 | { | |
b1d9e6b0 | 1103 | *secid = 0; |
f25fce3e | 1104 | call_void_hook(task_getsecid, p, secid); |
20510f2f JM |
1105 | } |
1106 | EXPORT_SYMBOL(security_task_getsecid); | |
1107 | ||
20510f2f JM |
1108 | int security_task_setnice(struct task_struct *p, int nice) |
1109 | { | |
f25fce3e | 1110 | return call_int_hook(task_setnice, 0, p, nice); |
20510f2f JM |
1111 | } |
1112 | ||
1113 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
1114 | { | |
f25fce3e | 1115 | return call_int_hook(task_setioprio, 0, p, ioprio); |
20510f2f JM |
1116 | } |
1117 | ||
1118 | int security_task_getioprio(struct task_struct *p) | |
1119 | { | |
f25fce3e | 1120 | return call_int_hook(task_getioprio, 0, p); |
20510f2f JM |
1121 | } |
1122 | ||
791ec491 SS |
1123 | int security_task_prlimit(const struct cred *cred, const struct cred *tcred, |
1124 | unsigned int flags) | |
1125 | { | |
1126 | return call_int_hook(task_prlimit, 0, cred, tcred, flags); | |
1127 | } | |
1128 | ||
8fd00b4d JS |
1129 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
1130 | struct rlimit *new_rlim) | |
20510f2f | 1131 | { |
f25fce3e | 1132 | return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); |
20510f2f JM |
1133 | } |
1134 | ||
b0ae1981 | 1135 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 1136 | { |
f25fce3e | 1137 | return call_int_hook(task_setscheduler, 0, p); |
20510f2f JM |
1138 | } |
1139 | ||
1140 | int security_task_getscheduler(struct task_struct *p) | |
1141 | { | |
f25fce3e | 1142 | return call_int_hook(task_getscheduler, 0, p); |
20510f2f JM |
1143 | } |
1144 | ||
1145 | int security_task_movememory(struct task_struct *p) | |
1146 | { | |
f25fce3e | 1147 | return call_int_hook(task_movememory, 0, p); |
20510f2f JM |
1148 | } |
1149 | ||
1150 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
6b4f3d01 | 1151 | int sig, const struct cred *cred) |
20510f2f | 1152 | { |
6b4f3d01 | 1153 | return call_int_hook(task_kill, 0, p, info, sig, cred); |
20510f2f JM |
1154 | } |
1155 | ||
20510f2f | 1156 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
d84f4f99 | 1157 | unsigned long arg4, unsigned long arg5) |
20510f2f | 1158 | { |
b1d9e6b0 CS |
1159 | int thisrc; |
1160 | int rc = -ENOSYS; | |
1161 | struct security_hook_list *hp; | |
1162 | ||
df0ce173 | 1163 | hlist_for_each_entry(hp, &security_hook_heads.task_prctl, list) { |
b1d9e6b0 CS |
1164 | thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); |
1165 | if (thisrc != -ENOSYS) { | |
1166 | rc = thisrc; | |
1167 | if (thisrc != 0) | |
1168 | break; | |
1169 | } | |
1170 | } | |
1171 | return rc; | |
20510f2f JM |
1172 | } |
1173 | ||
1174 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
1175 | { | |
f25fce3e | 1176 | call_void_hook(task_to_inode, p, inode); |
20510f2f JM |
1177 | } |
1178 | ||
1179 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
1180 | { | |
f25fce3e | 1181 | return call_int_hook(ipc_permission, 0, ipcp, flag); |
20510f2f JM |
1182 | } |
1183 | ||
8a076191 AD |
1184 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
1185 | { | |
b1d9e6b0 | 1186 | *secid = 0; |
f25fce3e | 1187 | call_void_hook(ipc_getsecid, ipcp, secid); |
8a076191 AD |
1188 | } |
1189 | ||
20510f2f JM |
1190 | int security_msg_msg_alloc(struct msg_msg *msg) |
1191 | { | |
f25fce3e | 1192 | return call_int_hook(msg_msg_alloc_security, 0, msg); |
20510f2f JM |
1193 | } |
1194 | ||
1195 | void security_msg_msg_free(struct msg_msg *msg) | |
1196 | { | |
f25fce3e | 1197 | call_void_hook(msg_msg_free_security, msg); |
20510f2f JM |
1198 | } |
1199 | ||
d8c6e854 | 1200 | int security_msg_queue_alloc(struct kern_ipc_perm *msq) |
20510f2f | 1201 | { |
f25fce3e | 1202 | return call_int_hook(msg_queue_alloc_security, 0, msq); |
20510f2f JM |
1203 | } |
1204 | ||
d8c6e854 | 1205 | void security_msg_queue_free(struct kern_ipc_perm *msq) |
20510f2f | 1206 | { |
f25fce3e | 1207 | call_void_hook(msg_queue_free_security, msq); |
20510f2f JM |
1208 | } |
1209 | ||
d8c6e854 | 1210 | int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg) |
20510f2f | 1211 | { |
f25fce3e | 1212 | return call_int_hook(msg_queue_associate, 0, msq, msqflg); |
20510f2f JM |
1213 | } |
1214 | ||
d8c6e854 | 1215 | int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd) |
20510f2f | 1216 | { |
f25fce3e | 1217 | return call_int_hook(msg_queue_msgctl, 0, msq, cmd); |
20510f2f JM |
1218 | } |
1219 | ||
d8c6e854 | 1220 | int security_msg_queue_msgsnd(struct kern_ipc_perm *msq, |
20510f2f JM |
1221 | struct msg_msg *msg, int msqflg) |
1222 | { | |
f25fce3e | 1223 | return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); |
20510f2f JM |
1224 | } |
1225 | ||
d8c6e854 | 1226 | int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg, |
20510f2f JM |
1227 | struct task_struct *target, long type, int mode) |
1228 | { | |
f25fce3e | 1229 | return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); |
20510f2f JM |
1230 | } |
1231 | ||
7191adff | 1232 | int security_shm_alloc(struct kern_ipc_perm *shp) |
20510f2f | 1233 | { |
f25fce3e | 1234 | return call_int_hook(shm_alloc_security, 0, shp); |
20510f2f JM |
1235 | } |
1236 | ||
7191adff | 1237 | void security_shm_free(struct kern_ipc_perm *shp) |
20510f2f | 1238 | { |
f25fce3e | 1239 | call_void_hook(shm_free_security, shp); |
20510f2f JM |
1240 | } |
1241 | ||
7191adff | 1242 | int security_shm_associate(struct kern_ipc_perm *shp, int shmflg) |
20510f2f | 1243 | { |
f25fce3e | 1244 | return call_int_hook(shm_associate, 0, shp, shmflg); |
20510f2f JM |
1245 | } |
1246 | ||
7191adff | 1247 | int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd) |
20510f2f | 1248 | { |
f25fce3e | 1249 | return call_int_hook(shm_shmctl, 0, shp, cmd); |
20510f2f JM |
1250 | } |
1251 | ||
7191adff | 1252 | int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg) |
20510f2f | 1253 | { |
f25fce3e | 1254 | return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); |
20510f2f JM |
1255 | } |
1256 | ||
aefad959 | 1257 | int security_sem_alloc(struct kern_ipc_perm *sma) |
20510f2f | 1258 | { |
f25fce3e | 1259 | return call_int_hook(sem_alloc_security, 0, sma); |
20510f2f JM |
1260 | } |
1261 | ||
aefad959 | 1262 | void security_sem_free(struct kern_ipc_perm *sma) |
20510f2f | 1263 | { |
f25fce3e | 1264 | call_void_hook(sem_free_security, sma); |
20510f2f JM |
1265 | } |
1266 | ||
aefad959 | 1267 | int security_sem_associate(struct kern_ipc_perm *sma, int semflg) |
20510f2f | 1268 | { |
f25fce3e | 1269 | return call_int_hook(sem_associate, 0, sma, semflg); |
20510f2f JM |
1270 | } |
1271 | ||
aefad959 | 1272 | int security_sem_semctl(struct kern_ipc_perm *sma, int cmd) |
20510f2f | 1273 | { |
f25fce3e | 1274 | return call_int_hook(sem_semctl, 0, sma, cmd); |
20510f2f JM |
1275 | } |
1276 | ||
aefad959 | 1277 | int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops, |
20510f2f JM |
1278 | unsigned nsops, int alter) |
1279 | { | |
f25fce3e | 1280 | return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); |
20510f2f JM |
1281 | } |
1282 | ||
1283 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1284 | { | |
1285 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1286 | return; | |
f25fce3e | 1287 | call_void_hook(d_instantiate, dentry, inode); |
20510f2f JM |
1288 | } |
1289 | EXPORT_SYMBOL(security_d_instantiate); | |
1290 | ||
1291 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1292 | { | |
b1d9e6b0 | 1293 | return call_int_hook(getprocattr, -EINVAL, p, name, value); |
20510f2f JM |
1294 | } |
1295 | ||
b21507e2 | 1296 | int security_setprocattr(const char *name, void *value, size_t size) |
20510f2f | 1297 | { |
b21507e2 | 1298 | return call_int_hook(setprocattr, -EINVAL, name, value, size); |
20510f2f JM |
1299 | } |
1300 | ||
1301 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1302 | { | |
f25fce3e | 1303 | return call_int_hook(netlink_send, 0, sk, skb); |
20510f2f | 1304 | } |
20510f2f | 1305 | |
746df9b5 DQ |
1306 | int security_ismaclabel(const char *name) |
1307 | { | |
f25fce3e | 1308 | return call_int_hook(ismaclabel, 0, name); |
746df9b5 DQ |
1309 | } |
1310 | EXPORT_SYMBOL(security_ismaclabel); | |
1311 | ||
20510f2f JM |
1312 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1313 | { | |
b1d9e6b0 CS |
1314 | return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, |
1315 | seclen); | |
20510f2f JM |
1316 | } |
1317 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1318 | ||
7bf570dc | 1319 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 | 1320 | { |
b1d9e6b0 | 1321 | *secid = 0; |
f25fce3e | 1322 | return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); |
63cb3449 DH |
1323 | } |
1324 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1325 | ||
20510f2f JM |
1326 | void security_release_secctx(char *secdata, u32 seclen) |
1327 | { | |
f25fce3e | 1328 | call_void_hook(release_secctx, secdata, seclen); |
20510f2f JM |
1329 | } |
1330 | EXPORT_SYMBOL(security_release_secctx); | |
1331 | ||
6f3be9f5 AG |
1332 | void security_inode_invalidate_secctx(struct inode *inode) |
1333 | { | |
1334 | call_void_hook(inode_invalidate_secctx, inode); | |
1335 | } | |
1336 | EXPORT_SYMBOL(security_inode_invalidate_secctx); | |
1337 | ||
1ee65e37 DQ |
1338 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1339 | { | |
f25fce3e | 1340 | return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); |
1ee65e37 DQ |
1341 | } |
1342 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1343 | ||
1344 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1345 | { | |
f25fce3e | 1346 | return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); |
1ee65e37 DQ |
1347 | } |
1348 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1349 | ||
1350 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1351 | { | |
b1d9e6b0 | 1352 | return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); |
1ee65e37 DQ |
1353 | } |
1354 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1355 | ||
20510f2f JM |
1356 | #ifdef CONFIG_SECURITY_NETWORK |
1357 | ||
3610cda5 | 1358 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f | 1359 | { |
f25fce3e | 1360 | return call_int_hook(unix_stream_connect, 0, sock, other, newsk); |
20510f2f JM |
1361 | } |
1362 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1363 | ||
1364 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1365 | { | |
f25fce3e | 1366 | return call_int_hook(unix_may_send, 0, sock, other); |
20510f2f JM |
1367 | } |
1368 | EXPORT_SYMBOL(security_unix_may_send); | |
1369 | ||
1370 | int security_socket_create(int family, int type, int protocol, int kern) | |
1371 | { | |
f25fce3e | 1372 | return call_int_hook(socket_create, 0, family, type, protocol, kern); |
20510f2f JM |
1373 | } |
1374 | ||
1375 | int security_socket_post_create(struct socket *sock, int family, | |
1376 | int type, int protocol, int kern) | |
1377 | { | |
f25fce3e | 1378 | return call_int_hook(socket_post_create, 0, sock, family, type, |
20510f2f JM |
1379 | protocol, kern); |
1380 | } | |
1381 | ||
aae7cfcb DH |
1382 | int security_socket_socketpair(struct socket *socka, struct socket *sockb) |
1383 | { | |
1384 | return call_int_hook(socket_socketpair, 0, socka, sockb); | |
1385 | } | |
1386 | EXPORT_SYMBOL(security_socket_socketpair); | |
1387 | ||
20510f2f JM |
1388 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) |
1389 | { | |
f25fce3e | 1390 | return call_int_hook(socket_bind, 0, sock, address, addrlen); |
20510f2f JM |
1391 | } |
1392 | ||
1393 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1394 | { | |
f25fce3e | 1395 | return call_int_hook(socket_connect, 0, sock, address, addrlen); |
20510f2f JM |
1396 | } |
1397 | ||
1398 | int security_socket_listen(struct socket *sock, int backlog) | |
1399 | { | |
f25fce3e | 1400 | return call_int_hook(socket_listen, 0, sock, backlog); |
20510f2f JM |
1401 | } |
1402 | ||
1403 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1404 | { | |
f25fce3e | 1405 | return call_int_hook(socket_accept, 0, sock, newsock); |
20510f2f JM |
1406 | } |
1407 | ||
20510f2f JM |
1408 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1409 | { | |
f25fce3e | 1410 | return call_int_hook(socket_sendmsg, 0, sock, msg, size); |
20510f2f JM |
1411 | } |
1412 | ||
1413 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1414 | int size, int flags) | |
1415 | { | |
f25fce3e | 1416 | return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); |
20510f2f JM |
1417 | } |
1418 | ||
1419 | int security_socket_getsockname(struct socket *sock) | |
1420 | { | |
f25fce3e | 1421 | return call_int_hook(socket_getsockname, 0, sock); |
20510f2f JM |
1422 | } |
1423 | ||
1424 | int security_socket_getpeername(struct socket *sock) | |
1425 | { | |
f25fce3e | 1426 | return call_int_hook(socket_getpeername, 0, sock); |
20510f2f JM |
1427 | } |
1428 | ||
1429 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1430 | { | |
f25fce3e | 1431 | return call_int_hook(socket_getsockopt, 0, sock, level, optname); |
20510f2f JM |
1432 | } |
1433 | ||
1434 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1435 | { | |
f25fce3e | 1436 | return call_int_hook(socket_setsockopt, 0, sock, level, optname); |
20510f2f JM |
1437 | } |
1438 | ||
1439 | int security_socket_shutdown(struct socket *sock, int how) | |
1440 | { | |
f25fce3e | 1441 | return call_int_hook(socket_shutdown, 0, sock, how); |
20510f2f JM |
1442 | } |
1443 | ||
1444 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1445 | { | |
f25fce3e | 1446 | return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); |
20510f2f JM |
1447 | } |
1448 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1449 | ||
1450 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1451 | int __user *optlen, unsigned len) | |
1452 | { | |
b1d9e6b0 CS |
1453 | return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, |
1454 | optval, optlen, len); | |
20510f2f JM |
1455 | } |
1456 | ||
1457 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1458 | { | |
e308fd3b JB |
1459 | return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, |
1460 | skb, secid); | |
20510f2f JM |
1461 | } |
1462 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1463 | ||
1464 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1465 | { | |
f25fce3e | 1466 | return call_int_hook(sk_alloc_security, 0, sk, family, priority); |
20510f2f JM |
1467 | } |
1468 | ||
1469 | void security_sk_free(struct sock *sk) | |
1470 | { | |
f25fce3e | 1471 | call_void_hook(sk_free_security, sk); |
20510f2f JM |
1472 | } |
1473 | ||
1474 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1475 | { | |
f25fce3e | 1476 | call_void_hook(sk_clone_security, sk, newsk); |
20510f2f | 1477 | } |
6230c9b4 | 1478 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1479 | |
1480 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1481 | { | |
f25fce3e | 1482 | call_void_hook(sk_getsecid, sk, &fl->flowi_secid); |
20510f2f JM |
1483 | } |
1484 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1485 | ||
1486 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1487 | { | |
f25fce3e | 1488 | call_void_hook(req_classify_flow, req, fl); |
20510f2f JM |
1489 | } |
1490 | EXPORT_SYMBOL(security_req_classify_flow); | |
1491 | ||
1492 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1493 | { | |
f25fce3e | 1494 | call_void_hook(sock_graft, sk, parent); |
20510f2f JM |
1495 | } |
1496 | EXPORT_SYMBOL(security_sock_graft); | |
1497 | ||
1498 | int security_inet_conn_request(struct sock *sk, | |
1499 | struct sk_buff *skb, struct request_sock *req) | |
1500 | { | |
f25fce3e | 1501 | return call_int_hook(inet_conn_request, 0, sk, skb, req); |
20510f2f JM |
1502 | } |
1503 | EXPORT_SYMBOL(security_inet_conn_request); | |
1504 | ||
1505 | void security_inet_csk_clone(struct sock *newsk, | |
1506 | const struct request_sock *req) | |
1507 | { | |
f25fce3e | 1508 | call_void_hook(inet_csk_clone, newsk, req); |
20510f2f JM |
1509 | } |
1510 | ||
1511 | void security_inet_conn_established(struct sock *sk, | |
1512 | struct sk_buff *skb) | |
1513 | { | |
f25fce3e | 1514 | call_void_hook(inet_conn_established, sk, skb); |
20510f2f | 1515 | } |
72e89f50 | 1516 | EXPORT_SYMBOL(security_inet_conn_established); |
20510f2f | 1517 | |
2606fd1f EP |
1518 | int security_secmark_relabel_packet(u32 secid) |
1519 | { | |
f25fce3e | 1520 | return call_int_hook(secmark_relabel_packet, 0, secid); |
2606fd1f EP |
1521 | } |
1522 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1523 | ||
1524 | void security_secmark_refcount_inc(void) | |
1525 | { | |
f25fce3e | 1526 | call_void_hook(secmark_refcount_inc); |
2606fd1f EP |
1527 | } |
1528 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1529 | ||
1530 | void security_secmark_refcount_dec(void) | |
1531 | { | |
f25fce3e | 1532 | call_void_hook(secmark_refcount_dec); |
2606fd1f EP |
1533 | } |
1534 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1535 | ||
5dbbaf2d PM |
1536 | int security_tun_dev_alloc_security(void **security) |
1537 | { | |
f25fce3e | 1538 | return call_int_hook(tun_dev_alloc_security, 0, security); |
5dbbaf2d PM |
1539 | } |
1540 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1541 | ||
1542 | void security_tun_dev_free_security(void *security) | |
1543 | { | |
f25fce3e | 1544 | call_void_hook(tun_dev_free_security, security); |
5dbbaf2d PM |
1545 | } |
1546 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1547 | ||
2b980dbd PM |
1548 | int security_tun_dev_create(void) |
1549 | { | |
f25fce3e | 1550 | return call_int_hook(tun_dev_create, 0); |
2b980dbd PM |
1551 | } |
1552 | EXPORT_SYMBOL(security_tun_dev_create); | |
1553 | ||
5dbbaf2d | 1554 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1555 | { |
f25fce3e | 1556 | return call_int_hook(tun_dev_attach_queue, 0, security); |
2b980dbd | 1557 | } |
5dbbaf2d | 1558 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1559 | |
5dbbaf2d | 1560 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1561 | { |
f25fce3e | 1562 | return call_int_hook(tun_dev_attach, 0, sk, security); |
2b980dbd PM |
1563 | } |
1564 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1565 | ||
5dbbaf2d PM |
1566 | int security_tun_dev_open(void *security) |
1567 | { | |
f25fce3e | 1568 | return call_int_hook(tun_dev_open, 0, security); |
5dbbaf2d PM |
1569 | } |
1570 | EXPORT_SYMBOL(security_tun_dev_open); | |
1571 | ||
72e89f50 RH |
1572 | int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb) |
1573 | { | |
1574 | return call_int_hook(sctp_assoc_request, 0, ep, skb); | |
1575 | } | |
1576 | EXPORT_SYMBOL(security_sctp_assoc_request); | |
1577 | ||
1578 | int security_sctp_bind_connect(struct sock *sk, int optname, | |
1579 | struct sockaddr *address, int addrlen) | |
1580 | { | |
1581 | return call_int_hook(sctp_bind_connect, 0, sk, optname, | |
1582 | address, addrlen); | |
1583 | } | |
1584 | EXPORT_SYMBOL(security_sctp_bind_connect); | |
1585 | ||
1586 | void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk, | |
1587 | struct sock *newsk) | |
1588 | { | |
1589 | call_void_hook(sctp_sk_clone, ep, sk, newsk); | |
1590 | } | |
1591 | EXPORT_SYMBOL(security_sctp_sk_clone); | |
1592 | ||
20510f2f JM |
1593 | #endif /* CONFIG_SECURITY_NETWORK */ |
1594 | ||
d291f1a6 DJ |
1595 | #ifdef CONFIG_SECURITY_INFINIBAND |
1596 | ||
1597 | int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey) | |
1598 | { | |
1599 | return call_int_hook(ib_pkey_access, 0, sec, subnet_prefix, pkey); | |
1600 | } | |
1601 | EXPORT_SYMBOL(security_ib_pkey_access); | |
1602 | ||
47a2b338 DJ |
1603 | int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num) |
1604 | { | |
1605 | return call_int_hook(ib_endport_manage_subnet, 0, sec, dev_name, port_num); | |
1606 | } | |
1607 | EXPORT_SYMBOL(security_ib_endport_manage_subnet); | |
1608 | ||
d291f1a6 DJ |
1609 | int security_ib_alloc_security(void **sec) |
1610 | { | |
1611 | return call_int_hook(ib_alloc_security, 0, sec); | |
1612 | } | |
1613 | EXPORT_SYMBOL(security_ib_alloc_security); | |
1614 | ||
1615 | void security_ib_free_security(void *sec) | |
1616 | { | |
1617 | call_void_hook(ib_free_security, sec); | |
1618 | } | |
1619 | EXPORT_SYMBOL(security_ib_free_security); | |
1620 | #endif /* CONFIG_SECURITY_INFINIBAND */ | |
1621 | ||
20510f2f JM |
1622 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1623 | ||
52a4c640 NA |
1624 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1625 | struct xfrm_user_sec_ctx *sec_ctx, | |
1626 | gfp_t gfp) | |
20510f2f | 1627 | { |
f25fce3e | 1628 | return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); |
20510f2f JM |
1629 | } |
1630 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1631 | ||
03e1ad7b PM |
1632 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1633 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1634 | { |
f25fce3e | 1635 | return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); |
20510f2f JM |
1636 | } |
1637 | ||
03e1ad7b | 1638 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1639 | { |
f25fce3e | 1640 | call_void_hook(xfrm_policy_free_security, ctx); |
20510f2f JM |
1641 | } |
1642 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1643 | ||
03e1ad7b | 1644 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1645 | { |
f25fce3e | 1646 | return call_int_hook(xfrm_policy_delete_security, 0, ctx); |
20510f2f JM |
1647 | } |
1648 | ||
2e5aa866 PM |
1649 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1650 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1651 | { |
f25fce3e | 1652 | return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); |
20510f2f JM |
1653 | } |
1654 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1655 | ||
1656 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1657 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1658 | { | |
f25fce3e | 1659 | return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); |
20510f2f JM |
1660 | } |
1661 | ||
1662 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1663 | { | |
f25fce3e | 1664 | return call_int_hook(xfrm_state_delete_security, 0, x); |
20510f2f JM |
1665 | } |
1666 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1667 | ||
1668 | void security_xfrm_state_free(struct xfrm_state *x) | |
1669 | { | |
f25fce3e | 1670 | call_void_hook(xfrm_state_free_security, x); |
20510f2f JM |
1671 | } |
1672 | ||
03e1ad7b | 1673 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1674 | { |
f25fce3e | 1675 | return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); |
20510f2f JM |
1676 | } |
1677 | ||
1678 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1679 | struct xfrm_policy *xp, |
1680 | const struct flowi *fl) | |
20510f2f | 1681 | { |
b1d9e6b0 CS |
1682 | struct security_hook_list *hp; |
1683 | int rc = 1; | |
1684 | ||
1685 | /* | |
1686 | * Since this function is expected to return 0 or 1, the judgment | |
1687 | * becomes difficult if multiple LSMs supply this call. Fortunately, | |
1688 | * we can use the first LSM's judgment because currently only SELinux | |
1689 | * supplies this call. | |
1690 | * | |
1691 | * For speed optimization, we explicitly break the loop rather than | |
1692 | * using the macro | |
1693 | */ | |
df0ce173 | 1694 | hlist_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, |
b1d9e6b0 CS |
1695 | list) { |
1696 | rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); | |
1697 | break; | |
1698 | } | |
1699 | return rc; | |
20510f2f JM |
1700 | } |
1701 | ||
1702 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1703 | { | |
f25fce3e | 1704 | return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); |
20510f2f JM |
1705 | } |
1706 | ||
1707 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1708 | { | |
f25fce3e CS |
1709 | int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, |
1710 | 0); | |
20510f2f JM |
1711 | |
1712 | BUG_ON(rc); | |
1713 | } | |
1714 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1715 | ||
1716 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1717 | ||
1718 | #ifdef CONFIG_KEYS | |
1719 | ||
d84f4f99 DH |
1720 | int security_key_alloc(struct key *key, const struct cred *cred, |
1721 | unsigned long flags) | |
20510f2f | 1722 | { |
f25fce3e | 1723 | return call_int_hook(key_alloc, 0, key, cred, flags); |
20510f2f JM |
1724 | } |
1725 | ||
1726 | void security_key_free(struct key *key) | |
1727 | { | |
f25fce3e | 1728 | call_void_hook(key_free, key); |
20510f2f JM |
1729 | } |
1730 | ||
1731 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1732 | const struct cred *cred, unsigned perm) |
20510f2f | 1733 | { |
f25fce3e | 1734 | return call_int_hook(key_permission, 0, key_ref, cred, perm); |
20510f2f JM |
1735 | } |
1736 | ||
70a5bb72 DH |
1737 | int security_key_getsecurity(struct key *key, char **_buffer) |
1738 | { | |
b1d9e6b0 | 1739 | *_buffer = NULL; |
f25fce3e | 1740 | return call_int_hook(key_getsecurity, 0, key, _buffer); |
70a5bb72 DH |
1741 | } |
1742 | ||
20510f2f | 1743 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1744 | |
1745 | #ifdef CONFIG_AUDIT | |
1746 | ||
1747 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1748 | { | |
f25fce3e | 1749 | return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); |
03d37d25 AD |
1750 | } |
1751 | ||
1752 | int security_audit_rule_known(struct audit_krule *krule) | |
1753 | { | |
f25fce3e | 1754 | return call_int_hook(audit_rule_known, 0, krule); |
03d37d25 AD |
1755 | } |
1756 | ||
1757 | void security_audit_rule_free(void *lsmrule) | |
1758 | { | |
f25fce3e | 1759 | call_void_hook(audit_rule_free, lsmrule); |
03d37d25 AD |
1760 | } |
1761 | ||
1762 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1763 | struct audit_context *actx) | |
1764 | { | |
f25fce3e CS |
1765 | return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, |
1766 | actx); | |
03d37d25 | 1767 | } |
b1d9e6b0 | 1768 | #endif /* CONFIG_AUDIT */ |
afdb09c7 CF |
1769 | |
1770 | #ifdef CONFIG_BPF_SYSCALL | |
1771 | int security_bpf(int cmd, union bpf_attr *attr, unsigned int size) | |
1772 | { | |
1773 | return call_int_hook(bpf, 0, cmd, attr, size); | |
1774 | } | |
1775 | int security_bpf_map(struct bpf_map *map, fmode_t fmode) | |
1776 | { | |
1777 | return call_int_hook(bpf_map, 0, map, fmode); | |
1778 | } | |
1779 | int security_bpf_prog(struct bpf_prog *prog) | |
1780 | { | |
1781 | return call_int_hook(bpf_prog, 0, prog); | |
1782 | } | |
1783 | int security_bpf_map_alloc(struct bpf_map *map) | |
1784 | { | |
1785 | return call_int_hook(bpf_map_alloc_security, 0, map); | |
1786 | } | |
1787 | int security_bpf_prog_alloc(struct bpf_prog_aux *aux) | |
1788 | { | |
1789 | return call_int_hook(bpf_prog_alloc_security, 0, aux); | |
1790 | } | |
1791 | void security_bpf_map_free(struct bpf_map *map) | |
1792 | { | |
1793 | call_void_hook(bpf_map_free_security, map); | |
1794 | } | |
1795 | void security_bpf_prog_free(struct bpf_prog_aux *aux) | |
1796 | { | |
1797 | call_void_hook(bpf_prog_free_security, aux); | |
1798 | } | |
1799 | #endif /* CONFIG_BPF_SYSCALL */ |