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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 | ||
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; |
1da177e4 LT |
51 | initcall_t *call; |
52 | call = __security_initcall_start; | |
58eacfff | 53 | trace_initcall_level("security"); |
1da177e4 | 54 | while (call < __security_initcall_end) { |
58eacfff AB |
55 | trace_initcall_start((*call)); |
56 | ret = (*call) (); | |
57 | trace_initcall_finish((*call), ret); | |
1da177e4 LT |
58 | call++; |
59 | } | |
60 | } | |
61 | ||
62 | /** | |
63 | * security_init - initializes the security framework | |
64 | * | |
65 | * This should be called early in the kernel initialization sequence. | |
66 | */ | |
67 | int __init security_init(void) | |
68 | { | |
3dfc9b02 | 69 | int i; |
df0ce173 | 70 | struct hlist_head *list = (struct hlist_head *) &security_hook_heads; |
3dfc9b02 | 71 | |
df0ce173 | 72 | for (i = 0; i < sizeof(security_hook_heads) / sizeof(struct hlist_head); |
3dfc9b02 | 73 | i++) |
df0ce173 | 74 | INIT_HLIST_HEAD(&list[i]); |
b1d9e6b0 | 75 | pr_info("Security Framework initialized\n"); |
1da177e4 | 76 | |
b1d9e6b0 | 77 | /* |
730daa16 | 78 | * Load minor LSMs, with the capability module always first. |
b1d9e6b0 CS |
79 | */ |
80 | capability_add_hooks(); | |
b1d9e6b0 | 81 | yama_add_hooks(); |
9b091556 | 82 | loadpin_add_hooks(); |
730daa16 | 83 | |
b1d9e6b0 | 84 | /* |
730daa16 | 85 | * Load all the remaining security modules. |
b1d9e6b0 | 86 | */ |
1da177e4 LT |
87 | do_security_initcalls(); |
88 | ||
89 | return 0; | |
90 | } | |
91 | ||
076c54c5 AD |
92 | /* Save user chosen LSM */ |
93 | static int __init choose_lsm(char *str) | |
94 | { | |
95 | strncpy(chosen_lsm, str, SECURITY_NAME_MAX); | |
96 | return 1; | |
97 | } | |
98 | __setup("security=", choose_lsm); | |
99 | ||
3bb857e4 MS |
100 | static bool match_last_lsm(const char *list, const char *lsm) |
101 | { | |
102 | const char *last; | |
103 | ||
104 | if (WARN_ON(!list || !lsm)) | |
105 | return false; | |
106 | last = strrchr(list, ','); | |
107 | if (last) | |
108 | /* Pass the comma, strcmp() will check for '\0' */ | |
109 | last++; | |
110 | else | |
111 | last = list; | |
112 | return !strcmp(last, lsm); | |
113 | } | |
114 | ||
d69dece5 CS |
115 | static int lsm_append(char *new, char **result) |
116 | { | |
117 | char *cp; | |
118 | ||
119 | if (*result == NULL) { | |
120 | *result = kstrdup(new, GFP_KERNEL); | |
121 | } else { | |
3bb857e4 MS |
122 | /* Check if it is the last registered name */ |
123 | if (match_last_lsm(*result, new)) | |
124 | return 0; | |
d69dece5 CS |
125 | cp = kasprintf(GFP_KERNEL, "%s,%s", *result, new); |
126 | if (cp == NULL) | |
127 | return -ENOMEM; | |
128 | kfree(*result); | |
129 | *result = cp; | |
130 | } | |
131 | return 0; | |
132 | } | |
133 | ||
076c54c5 AD |
134 | /** |
135 | * security_module_enable - Load given security module on boot ? | |
b1d9e6b0 | 136 | * @module: the name of the module |
076c54c5 AD |
137 | * |
138 | * Each LSM must pass this method before registering its own operations | |
139 | * to avoid security registration races. This method may also be used | |
7cea51be | 140 | * to check if your LSM is currently loaded during kernel initialization. |
076c54c5 | 141 | * |
0e056eb5 MCC |
142 | * Returns: |
143 | * | |
144 | * true if: | |
145 | * | |
146 | * - The passed LSM is the one chosen by user at boot time, | |
147 | * - or the passed LSM is configured as the default and the user did not | |
148 | * choose an alternate LSM at boot time. | |
149 | * | |
076c54c5 AD |
150 | * Otherwise, return false. |
151 | */ | |
b1d9e6b0 | 152 | int __init security_module_enable(const char *module) |
076c54c5 | 153 | { |
b1d9e6b0 | 154 | return !strcmp(module, chosen_lsm); |
076c54c5 AD |
155 | } |
156 | ||
d69dece5 CS |
157 | /** |
158 | * security_add_hooks - Add a modules hooks to the hook lists. | |
159 | * @hooks: the hooks to add | |
160 | * @count: the number of hooks to add | |
161 | * @lsm: the name of the security module | |
162 | * | |
163 | * Each LSM has to register its hooks with the infrastructure. | |
164 | */ | |
165 | void __init security_add_hooks(struct security_hook_list *hooks, int count, | |
166 | char *lsm) | |
167 | { | |
168 | int i; | |
169 | ||
170 | for (i = 0; i < count; i++) { | |
171 | hooks[i].lsm = lsm; | |
df0ce173 | 172 | hlist_add_tail_rcu(&hooks[i].list, hooks[i].head); |
d69dece5 CS |
173 | } |
174 | if (lsm_append(lsm, &lsm_names) < 0) | |
175 | panic("%s - Cannot get early memory.\n", __func__); | |
176 | } | |
177 | ||
8f408ab6 DJ |
178 | int call_lsm_notifier(enum lsm_event event, void *data) |
179 | { | |
180 | return atomic_notifier_call_chain(&lsm_notifier_chain, event, data); | |
181 | } | |
182 | EXPORT_SYMBOL(call_lsm_notifier); | |
183 | ||
184 | int register_lsm_notifier(struct notifier_block *nb) | |
185 | { | |
186 | return atomic_notifier_chain_register(&lsm_notifier_chain, nb); | |
187 | } | |
188 | EXPORT_SYMBOL(register_lsm_notifier); | |
189 | ||
190 | int unregister_lsm_notifier(struct notifier_block *nb) | |
191 | { | |
192 | return atomic_notifier_chain_unregister(&lsm_notifier_chain, nb); | |
193 | } | |
194 | EXPORT_SYMBOL(unregister_lsm_notifier); | |
195 | ||
f25fce3e | 196 | /* |
b1d9e6b0 | 197 | * Hook list operation macros. |
1da177e4 | 198 | * |
f25fce3e CS |
199 | * call_void_hook: |
200 | * This is a hook that does not return a value. | |
1da177e4 | 201 | * |
f25fce3e CS |
202 | * call_int_hook: |
203 | * This is a hook that returns a value. | |
1da177e4 | 204 | */ |
1da177e4 | 205 | |
b1d9e6b0 CS |
206 | #define call_void_hook(FUNC, ...) \ |
207 | do { \ | |
208 | struct security_hook_list *P; \ | |
209 | \ | |
df0ce173 | 210 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) \ |
b1d9e6b0 CS |
211 | P->hook.FUNC(__VA_ARGS__); \ |
212 | } while (0) | |
213 | ||
214 | #define call_int_hook(FUNC, IRC, ...) ({ \ | |
215 | int RC = IRC; \ | |
216 | do { \ | |
217 | struct security_hook_list *P; \ | |
218 | \ | |
df0ce173 | 219 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) { \ |
b1d9e6b0 CS |
220 | RC = P->hook.FUNC(__VA_ARGS__); \ |
221 | if (RC != 0) \ | |
222 | break; \ | |
223 | } \ | |
224 | } while (0); \ | |
225 | RC; \ | |
226 | }) | |
1da177e4 | 227 | |
20510f2f JM |
228 | /* Security operations */ |
229 | ||
79af7307 SS |
230 | int security_binder_set_context_mgr(struct task_struct *mgr) |
231 | { | |
f25fce3e | 232 | return call_int_hook(binder_set_context_mgr, 0, mgr); |
79af7307 SS |
233 | } |
234 | ||
235 | int security_binder_transaction(struct task_struct *from, | |
236 | struct task_struct *to) | |
237 | { | |
f25fce3e | 238 | return call_int_hook(binder_transaction, 0, from, to); |
79af7307 SS |
239 | } |
240 | ||
241 | int security_binder_transfer_binder(struct task_struct *from, | |
242 | struct task_struct *to) | |
243 | { | |
f25fce3e | 244 | return call_int_hook(binder_transfer_binder, 0, from, to); |
79af7307 SS |
245 | } |
246 | ||
247 | int security_binder_transfer_file(struct task_struct *from, | |
248 | struct task_struct *to, struct file *file) | |
249 | { | |
f25fce3e | 250 | return call_int_hook(binder_transfer_file, 0, from, to, file); |
79af7307 SS |
251 | } |
252 | ||
9e48858f | 253 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 254 | { |
f25fce3e | 255 | return call_int_hook(ptrace_access_check, 0, child, mode); |
5cd9c58f DH |
256 | } |
257 | ||
258 | int security_ptrace_traceme(struct task_struct *parent) | |
259 | { | |
f25fce3e | 260 | return call_int_hook(ptrace_traceme, 0, parent); |
20510f2f JM |
261 | } |
262 | ||
263 | int security_capget(struct task_struct *target, | |
264 | kernel_cap_t *effective, | |
265 | kernel_cap_t *inheritable, | |
266 | kernel_cap_t *permitted) | |
267 | { | |
f25fce3e CS |
268 | return call_int_hook(capget, 0, target, |
269 | effective, inheritable, permitted); | |
20510f2f JM |
270 | } |
271 | ||
d84f4f99 DH |
272 | int security_capset(struct cred *new, const struct cred *old, |
273 | const kernel_cap_t *effective, | |
274 | const kernel_cap_t *inheritable, | |
275 | const kernel_cap_t *permitted) | |
20510f2f | 276 | { |
f25fce3e CS |
277 | return call_int_hook(capset, 0, new, old, |
278 | effective, inheritable, permitted); | |
20510f2f JM |
279 | } |
280 | ||
b7e724d3 | 281 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 282 | int cap) |
20510f2f | 283 | { |
f25fce3e | 284 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
285 | } |
286 | ||
c7eba4a9 EP |
287 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
288 | int cap) | |
06112163 | 289 | { |
f25fce3e | 290 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
291 | } |
292 | ||
20510f2f JM |
293 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
294 | { | |
f25fce3e | 295 | return call_int_hook(quotactl, 0, cmds, type, id, sb); |
20510f2f JM |
296 | } |
297 | ||
298 | int security_quota_on(struct dentry *dentry) | |
299 | { | |
f25fce3e | 300 | return call_int_hook(quota_on, 0, dentry); |
20510f2f JM |
301 | } |
302 | ||
12b3052c | 303 | int security_syslog(int type) |
20510f2f | 304 | { |
f25fce3e | 305 | return call_int_hook(syslog, 0, type); |
20510f2f JM |
306 | } |
307 | ||
457db29b | 308 | int security_settime64(const struct timespec64 *ts, const struct timezone *tz) |
20510f2f | 309 | { |
f25fce3e | 310 | return call_int_hook(settime, 0, ts, tz); |
20510f2f JM |
311 | } |
312 | ||
20510f2f JM |
313 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
314 | { | |
b1d9e6b0 CS |
315 | struct security_hook_list *hp; |
316 | int cap_sys_admin = 1; | |
317 | int rc; | |
318 | ||
319 | /* | |
320 | * The module will respond with a positive value if | |
321 | * it thinks the __vm_enough_memory() call should be | |
322 | * made with the cap_sys_admin set. If all of the modules | |
323 | * agree that it should be set it will. If any module | |
324 | * thinks it should not be set it won't. | |
325 | */ | |
df0ce173 | 326 | hlist_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) { |
b1d9e6b0 CS |
327 | rc = hp->hook.vm_enough_memory(mm, pages); |
328 | if (rc <= 0) { | |
329 | cap_sys_admin = 0; | |
330 | break; | |
331 | } | |
332 | } | |
333 | return __vm_enough_memory(mm, pages, cap_sys_admin); | |
20510f2f JM |
334 | } |
335 | ||
a6f76f23 | 336 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 337 | { |
f25fce3e | 338 | return call_int_hook(bprm_set_creds, 0, bprm); |
20510f2f JM |
339 | } |
340 | ||
a6f76f23 | 341 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 342 | { |
6c21a7fb MZ |
343 | int ret; |
344 | ||
f25fce3e | 345 | ret = call_int_hook(bprm_check_security, 0, bprm); |
6c21a7fb MZ |
346 | if (ret) |
347 | return ret; | |
348 | return ima_bprm_check(bprm); | |
20510f2f JM |
349 | } |
350 | ||
a6f76f23 | 351 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 352 | { |
f25fce3e | 353 | call_void_hook(bprm_committing_creds, bprm); |
20510f2f JM |
354 | } |
355 | ||
a6f76f23 | 356 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 357 | { |
f25fce3e | 358 | call_void_hook(bprm_committed_creds, bprm); |
20510f2f JM |
359 | } |
360 | ||
20510f2f JM |
361 | int security_sb_alloc(struct super_block *sb) |
362 | { | |
f25fce3e | 363 | return call_int_hook(sb_alloc_security, 0, sb); |
20510f2f JM |
364 | } |
365 | ||
366 | void security_sb_free(struct super_block *sb) | |
367 | { | |
f25fce3e | 368 | call_void_hook(sb_free_security, sb); |
20510f2f JM |
369 | } |
370 | ||
e0007529 | 371 | int security_sb_copy_data(char *orig, char *copy) |
20510f2f | 372 | { |
f25fce3e | 373 | return call_int_hook(sb_copy_data, 0, orig, copy); |
20510f2f | 374 | } |
e0007529 | 375 | EXPORT_SYMBOL(security_sb_copy_data); |
20510f2f | 376 | |
ff36fe2c EP |
377 | int security_sb_remount(struct super_block *sb, void *data) |
378 | { | |
f25fce3e | 379 | return call_int_hook(sb_remount, 0, sb, data); |
ff36fe2c EP |
380 | } |
381 | ||
12204e24 | 382 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
20510f2f | 383 | { |
f25fce3e | 384 | return call_int_hook(sb_kern_mount, 0, sb, flags, data); |
20510f2f JM |
385 | } |
386 | ||
2069f457 EP |
387 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
388 | { | |
f25fce3e | 389 | return call_int_hook(sb_show_options, 0, m, sb); |
2069f457 EP |
390 | } |
391 | ||
20510f2f JM |
392 | int security_sb_statfs(struct dentry *dentry) |
393 | { | |
f25fce3e | 394 | return call_int_hook(sb_statfs, 0, dentry); |
20510f2f JM |
395 | } |
396 | ||
8a04c43b | 397 | int security_sb_mount(const char *dev_name, const struct path *path, |
808d4e3c | 398 | const char *type, unsigned long flags, void *data) |
20510f2f | 399 | { |
f25fce3e | 400 | return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data); |
20510f2f JM |
401 | } |
402 | ||
20510f2f JM |
403 | int security_sb_umount(struct vfsmount *mnt, int flags) |
404 | { | |
f25fce3e | 405 | return call_int_hook(sb_umount, 0, mnt, flags); |
20510f2f JM |
406 | } |
407 | ||
3b73b68c | 408 | int security_sb_pivotroot(const struct path *old_path, const struct path *new_path) |
20510f2f | 409 | { |
f25fce3e | 410 | return call_int_hook(sb_pivotroot, 0, old_path, new_path); |
20510f2f JM |
411 | } |
412 | ||
c9180a57 | 413 | int security_sb_set_mnt_opts(struct super_block *sb, |
649f6e77 DQ |
414 | struct security_mnt_opts *opts, |
415 | unsigned long kern_flags, | |
416 | unsigned long *set_kern_flags) | |
c9180a57 | 417 | { |
b1d9e6b0 CS |
418 | return call_int_hook(sb_set_mnt_opts, |
419 | opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb, | |
420 | opts, kern_flags, set_kern_flags); | |
c9180a57 | 421 | } |
e0007529 | 422 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 423 | |
094f7b69 | 424 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
0b4d3452 SM |
425 | struct super_block *newsb, |
426 | unsigned long kern_flags, | |
427 | unsigned long *set_kern_flags) | |
c9180a57 | 428 | { |
0b4d3452 SM |
429 | return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb, |
430 | kern_flags, set_kern_flags); | |
c9180a57 | 431 | } |
e0007529 EP |
432 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
433 | ||
434 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
435 | { | |
f25fce3e | 436 | return call_int_hook(sb_parse_opts_str, 0, options, opts); |
e0007529 EP |
437 | } |
438 | EXPORT_SYMBOL(security_sb_parse_opts_str); | |
c9180a57 | 439 | |
20510f2f JM |
440 | int security_inode_alloc(struct inode *inode) |
441 | { | |
442 | inode->i_security = NULL; | |
f25fce3e | 443 | return call_int_hook(inode_alloc_security, 0, inode); |
20510f2f JM |
444 | } |
445 | ||
446 | void security_inode_free(struct inode *inode) | |
447 | { | |
f381c272 | 448 | integrity_inode_free(inode); |
f25fce3e | 449 | call_void_hook(inode_free_security, inode); |
20510f2f JM |
450 | } |
451 | ||
d47be3df | 452 | int security_dentry_init_security(struct dentry *dentry, int mode, |
4f3ccd76 | 453 | const struct qstr *name, void **ctx, |
d47be3df DQ |
454 | u32 *ctxlen) |
455 | { | |
b1d9e6b0 CS |
456 | return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode, |
457 | name, ctx, ctxlen); | |
d47be3df DQ |
458 | } |
459 | EXPORT_SYMBOL(security_dentry_init_security); | |
460 | ||
2602625b VG |
461 | int security_dentry_create_files_as(struct dentry *dentry, int mode, |
462 | struct qstr *name, | |
463 | const struct cred *old, struct cred *new) | |
464 | { | |
465 | return call_int_hook(dentry_create_files_as, 0, dentry, mode, | |
466 | name, old, new); | |
467 | } | |
468 | EXPORT_SYMBOL(security_dentry_create_files_as); | |
469 | ||
20510f2f | 470 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
471 | const struct qstr *qstr, |
472 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 473 | { |
823eb1cc MZ |
474 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
475 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
476 | int ret; |
477 | ||
20510f2f | 478 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 479 | return 0; |
9d8f13ba | 480 | |
9d8f13ba | 481 | if (!initxattrs) |
e308fd3b JB |
482 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, |
483 | dir, qstr, NULL, NULL, NULL); | |
9548906b | 484 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
9d8f13ba | 485 | lsm_xattr = new_xattrs; |
b1d9e6b0 | 486 | ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, |
9d8f13ba MZ |
487 | &lsm_xattr->name, |
488 | &lsm_xattr->value, | |
489 | &lsm_xattr->value_len); | |
490 | if (ret) | |
491 | goto out; | |
823eb1cc MZ |
492 | |
493 | evm_xattr = lsm_xattr + 1; | |
494 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
495 | if (ret) | |
496 | goto out; | |
9d8f13ba MZ |
497 | ret = initxattrs(inode, new_xattrs, fs_data); |
498 | out: | |
9548906b | 499 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
823eb1cc | 500 | kfree(xattr->value); |
9d8f13ba MZ |
501 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
502 | } | |
503 | EXPORT_SYMBOL(security_inode_init_security); | |
504 | ||
505 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 506 | const struct qstr *qstr, const char **name, |
9d8f13ba | 507 | void **value, size_t *len) |
20510f2f JM |
508 | { |
509 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 510 | return -EOPNOTSUPP; |
e308fd3b JB |
511 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, |
512 | qstr, name, value, len); | |
20510f2f | 513 | } |
9d8f13ba | 514 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 515 | |
be6d3e56 | 516 | #ifdef CONFIG_SECURITY_PATH |
d3607752 | 517 | int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
518 | unsigned int dev) |
519 | { | |
c6f493d6 | 520 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 521 | return 0; |
f25fce3e | 522 | return call_int_hook(path_mknod, 0, dir, dentry, mode, dev); |
be6d3e56 KT |
523 | } |
524 | EXPORT_SYMBOL(security_path_mknod); | |
525 | ||
d3607752 | 526 | int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 527 | { |
c6f493d6 | 528 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 529 | return 0; |
f25fce3e | 530 | return call_int_hook(path_mkdir, 0, dir, dentry, mode); |
be6d3e56 | 531 | } |
82140443 | 532 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 533 | |
989f74e0 | 534 | int security_path_rmdir(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 535 | { |
c6f493d6 | 536 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 537 | return 0; |
f25fce3e | 538 | return call_int_hook(path_rmdir, 0, dir, dentry); |
be6d3e56 KT |
539 | } |
540 | ||
989f74e0 | 541 | int security_path_unlink(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 542 | { |
c6f493d6 | 543 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 544 | return 0; |
f25fce3e | 545 | return call_int_hook(path_unlink, 0, dir, dentry); |
be6d3e56 | 546 | } |
82140443 | 547 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 548 | |
d3607752 | 549 | int security_path_symlink(const struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
550 | const char *old_name) |
551 | { | |
c6f493d6 | 552 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 553 | return 0; |
f25fce3e | 554 | return call_int_hook(path_symlink, 0, dir, dentry, old_name); |
be6d3e56 KT |
555 | } |
556 | ||
3ccee46a | 557 | int security_path_link(struct dentry *old_dentry, const struct path *new_dir, |
be6d3e56 KT |
558 | struct dentry *new_dentry) |
559 | { | |
c6f493d6 | 560 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
be6d3e56 | 561 | return 0; |
f25fce3e | 562 | return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry); |
be6d3e56 KT |
563 | } |
564 | ||
3ccee46a AV |
565 | int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, |
566 | const struct path *new_dir, struct dentry *new_dentry, | |
0b3974eb | 567 | unsigned int flags) |
be6d3e56 | 568 | { |
c6f493d6 DH |
569 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
570 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
be6d3e56 | 571 | return 0; |
da1ce067 MS |
572 | |
573 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e CS |
574 | int err = call_int_hook(path_rename, 0, new_dir, new_dentry, |
575 | old_dir, old_dentry); | |
da1ce067 MS |
576 | if (err) |
577 | return err; | |
578 | } | |
579 | ||
f25fce3e CS |
580 | return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, |
581 | new_dentry); | |
be6d3e56 | 582 | } |
82140443 | 583 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 584 | |
81f4c506 | 585 | int security_path_truncate(const struct path *path) |
be6d3e56 | 586 | { |
c6f493d6 | 587 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
be6d3e56 | 588 | return 0; |
f25fce3e | 589 | return call_int_hook(path_truncate, 0, path); |
be6d3e56 | 590 | } |
89eda068 | 591 | |
be01f9f2 | 592 | int security_path_chmod(const struct path *path, umode_t mode) |
89eda068 | 593 | { |
c6f493d6 | 594 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 595 | return 0; |
f25fce3e | 596 | return call_int_hook(path_chmod, 0, path, mode); |
89eda068 TH |
597 | } |
598 | ||
7fd25dac | 599 | int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
89eda068 | 600 | { |
c6f493d6 | 601 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 602 | return 0; |
f25fce3e | 603 | return call_int_hook(path_chown, 0, path, uid, gid); |
89eda068 | 604 | } |
8b8efb44 | 605 | |
77b286c0 | 606 | int security_path_chroot(const struct path *path) |
8b8efb44 | 607 | { |
f25fce3e | 608 | return call_int_hook(path_chroot, 0, path); |
8b8efb44 | 609 | } |
be6d3e56 KT |
610 | #endif |
611 | ||
4acdaf27 | 612 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
613 | { |
614 | if (unlikely(IS_PRIVATE(dir))) | |
615 | return 0; | |
f25fce3e | 616 | return call_int_hook(inode_create, 0, dir, dentry, mode); |
20510f2f | 617 | } |
800a9647 | 618 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
619 | |
620 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
621 | struct dentry *new_dentry) | |
622 | { | |
c6f493d6 | 623 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
20510f2f | 624 | return 0; |
f25fce3e | 625 | return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry); |
20510f2f JM |
626 | } |
627 | ||
628 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
629 | { | |
c6f493d6 | 630 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 631 | return 0; |
f25fce3e | 632 | return call_int_hook(inode_unlink, 0, dir, dentry); |
20510f2f JM |
633 | } |
634 | ||
635 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
636 | const char *old_name) | |
637 | { | |
638 | if (unlikely(IS_PRIVATE(dir))) | |
639 | return 0; | |
f25fce3e | 640 | return call_int_hook(inode_symlink, 0, dir, dentry, old_name); |
20510f2f JM |
641 | } |
642 | ||
18bb1db3 | 643 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
644 | { |
645 | if (unlikely(IS_PRIVATE(dir))) | |
646 | return 0; | |
f25fce3e | 647 | return call_int_hook(inode_mkdir, 0, dir, dentry, mode); |
20510f2f | 648 | } |
800a9647 | 649 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
650 | |
651 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
652 | { | |
c6f493d6 | 653 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 654 | return 0; |
f25fce3e | 655 | return call_int_hook(inode_rmdir, 0, dir, dentry); |
20510f2f JM |
656 | } |
657 | ||
1a67aafb | 658 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
659 | { |
660 | if (unlikely(IS_PRIVATE(dir))) | |
661 | return 0; | |
f25fce3e | 662 | return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev); |
20510f2f JM |
663 | } |
664 | ||
665 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
666 | struct inode *new_dir, struct dentry *new_dentry, |
667 | unsigned int flags) | |
20510f2f | 668 | { |
c6f493d6 DH |
669 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
670 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
20510f2f | 671 | return 0; |
da1ce067 MS |
672 | |
673 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e | 674 | int err = call_int_hook(inode_rename, 0, new_dir, new_dentry, |
da1ce067 MS |
675 | old_dir, old_dentry); |
676 | if (err) | |
677 | return err; | |
678 | } | |
679 | ||
f25fce3e | 680 | return call_int_hook(inode_rename, 0, old_dir, old_dentry, |
20510f2f JM |
681 | new_dir, new_dentry); |
682 | } | |
683 | ||
684 | int security_inode_readlink(struct dentry *dentry) | |
685 | { | |
c6f493d6 | 686 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 687 | return 0; |
f25fce3e | 688 | return call_int_hook(inode_readlink, 0, dentry); |
20510f2f JM |
689 | } |
690 | ||
bda0be7a N |
691 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
692 | bool rcu) | |
20510f2f | 693 | { |
bda0be7a | 694 | if (unlikely(IS_PRIVATE(inode))) |
20510f2f | 695 | return 0; |
e22619a2 | 696 | return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); |
20510f2f JM |
697 | } |
698 | ||
b77b0646 | 699 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
700 | { |
701 | if (unlikely(IS_PRIVATE(inode))) | |
702 | return 0; | |
f25fce3e | 703 | return call_int_hook(inode_permission, 0, inode, mask); |
20510f2f JM |
704 | } |
705 | ||
706 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
707 | { | |
817b54aa MZ |
708 | int ret; |
709 | ||
c6f493d6 | 710 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 711 | return 0; |
f25fce3e | 712 | ret = call_int_hook(inode_setattr, 0, dentry, attr); |
817b54aa MZ |
713 | if (ret) |
714 | return ret; | |
715 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 716 | } |
b1da47e2 | 717 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 718 | |
3f7036a0 | 719 | int security_inode_getattr(const struct path *path) |
20510f2f | 720 | { |
c6f493d6 | 721 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 722 | return 0; |
f25fce3e | 723 | return call_int_hook(inode_getattr, 0, path); |
20510f2f JM |
724 | } |
725 | ||
8f0cfa52 DH |
726 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
727 | const void *value, size_t size, int flags) | |
20510f2f | 728 | { |
3e1be52d MZ |
729 | int ret; |
730 | ||
c6f493d6 | 731 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 732 | return 0; |
b1d9e6b0 CS |
733 | /* |
734 | * SELinux and Smack integrate the cap call, | |
735 | * so assume that all LSMs supplying this call do so. | |
736 | */ | |
737 | ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, | |
f25fce3e | 738 | flags); |
b1d9e6b0 CS |
739 | |
740 | if (ret == 1) | |
741 | ret = cap_inode_setxattr(dentry, name, value, size, flags); | |
42c63330 MZ |
742 | if (ret) |
743 | return ret; | |
744 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
745 | if (ret) |
746 | return ret; | |
747 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
748 | } |
749 | ||
8f0cfa52 DH |
750 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
751 | const void *value, size_t size, int flags) | |
20510f2f | 752 | { |
c6f493d6 | 753 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 754 | return; |
f25fce3e | 755 | call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); |
3e1be52d | 756 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
757 | } |
758 | ||
8f0cfa52 | 759 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 760 | { |
c6f493d6 | 761 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 762 | return 0; |
f25fce3e | 763 | return call_int_hook(inode_getxattr, 0, dentry, name); |
20510f2f JM |
764 | } |
765 | ||
766 | int security_inode_listxattr(struct dentry *dentry) | |
767 | { | |
c6f493d6 | 768 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 769 | return 0; |
f25fce3e | 770 | return call_int_hook(inode_listxattr, 0, dentry); |
20510f2f JM |
771 | } |
772 | ||
8f0cfa52 | 773 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 774 | { |
3e1be52d MZ |
775 | int ret; |
776 | ||
c6f493d6 | 777 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 778 | return 0; |
b1d9e6b0 CS |
779 | /* |
780 | * SELinux and Smack integrate the cap call, | |
781 | * so assume that all LSMs supplying this call do so. | |
782 | */ | |
783 | ret = call_int_hook(inode_removexattr, 1, dentry, name); | |
784 | if (ret == 1) | |
785 | ret = cap_inode_removexattr(dentry, name); | |
42c63330 MZ |
786 | if (ret) |
787 | return ret; | |
788 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
789 | if (ret) |
790 | return ret; | |
791 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
792 | } |
793 | ||
b5376771 SH |
794 | int security_inode_need_killpriv(struct dentry *dentry) |
795 | { | |
f25fce3e | 796 | return call_int_hook(inode_need_killpriv, 0, dentry); |
b5376771 SH |
797 | } |
798 | ||
799 | int security_inode_killpriv(struct dentry *dentry) | |
800 | { | |
f25fce3e | 801 | return call_int_hook(inode_killpriv, 0, dentry); |
b5376771 SH |
802 | } |
803 | ||
ea861dfd | 804 | int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f | 805 | { |
2885c1e3 CS |
806 | struct security_hook_list *hp; |
807 | int rc; | |
808 | ||
20510f2f | 809 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 810 | return -EOPNOTSUPP; |
2885c1e3 CS |
811 | /* |
812 | * Only one module will provide an attribute with a given name. | |
813 | */ | |
df0ce173 | 814 | hlist_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { |
2885c1e3 CS |
815 | rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); |
816 | if (rc != -EOPNOTSUPP) | |
817 | return rc; | |
818 | } | |
819 | return -EOPNOTSUPP; | |
20510f2f JM |
820 | } |
821 | ||
822 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
823 | { | |
2885c1e3 CS |
824 | struct security_hook_list *hp; |
825 | int rc; | |
826 | ||
20510f2f | 827 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 828 | return -EOPNOTSUPP; |
2885c1e3 CS |
829 | /* |
830 | * Only one module will provide an attribute with a given name. | |
831 | */ | |
df0ce173 | 832 | hlist_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { |
2885c1e3 CS |
833 | rc = hp->hook.inode_setsecurity(inode, name, value, size, |
834 | flags); | |
835 | if (rc != -EOPNOTSUPP) | |
836 | return rc; | |
837 | } | |
838 | return -EOPNOTSUPP; | |
20510f2f JM |
839 | } |
840 | ||
841 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
842 | { | |
843 | if (unlikely(IS_PRIVATE(inode))) | |
844 | return 0; | |
f25fce3e | 845 | return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); |
20510f2f | 846 | } |
c9bccef6 | 847 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 848 | |
d6335d77 | 849 | void security_inode_getsecid(struct inode *inode, u32 *secid) |
8a076191 | 850 | { |
f25fce3e | 851 | call_void_hook(inode_getsecid, inode, secid); |
8a076191 AD |
852 | } |
853 | ||
d8ad8b49 VG |
854 | int security_inode_copy_up(struct dentry *src, struct cred **new) |
855 | { | |
856 | return call_int_hook(inode_copy_up, 0, src, new); | |
857 | } | |
858 | EXPORT_SYMBOL(security_inode_copy_up); | |
859 | ||
121ab822 VG |
860 | int security_inode_copy_up_xattr(const char *name) |
861 | { | |
862 | return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); | |
863 | } | |
864 | EXPORT_SYMBOL(security_inode_copy_up_xattr); | |
865 | ||
20510f2f JM |
866 | int security_file_permission(struct file *file, int mask) |
867 | { | |
c4ec54b4 EP |
868 | int ret; |
869 | ||
f25fce3e | 870 | ret = call_int_hook(file_permission, 0, file, mask); |
c4ec54b4 EP |
871 | if (ret) |
872 | return ret; | |
873 | ||
874 | return fsnotify_perm(file, mask); | |
20510f2f JM |
875 | } |
876 | ||
877 | int security_file_alloc(struct file *file) | |
878 | { | |
f25fce3e | 879 | return call_int_hook(file_alloc_security, 0, file); |
20510f2f JM |
880 | } |
881 | ||
882 | void security_file_free(struct file *file) | |
883 | { | |
f25fce3e | 884 | call_void_hook(file_free_security, file); |
20510f2f JM |
885 | } |
886 | ||
887 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
888 | { | |
f25fce3e | 889 | return call_int_hook(file_ioctl, 0, file, cmd, arg); |
20510f2f JM |
890 | } |
891 | ||
98de59bf | 892 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 893 | { |
8b3ec681 | 894 | /* |
98de59bf AV |
895 | * Does we have PROT_READ and does the application expect |
896 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 897 | */ |
98de59bf AV |
898 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
899 | return prot; | |
8b3ec681 | 900 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
901 | return prot; |
902 | /* | |
903 | * if that's an anonymous mapping, let it. | |
904 | */ | |
905 | if (!file) | |
906 | return prot | PROT_EXEC; | |
907 | /* | |
908 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 909 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf | 910 | */ |
90f8572b | 911 | if (!path_noexec(&file->f_path)) { |
8b3ec681 | 912 | #ifndef CONFIG_MMU |
b4caecd4 CH |
913 | if (file->f_op->mmap_capabilities) { |
914 | unsigned caps = file->f_op->mmap_capabilities(file); | |
915 | if (!(caps & NOMMU_MAP_EXEC)) | |
916 | return prot; | |
917 | } | |
8b3ec681 | 918 | #endif |
98de59bf | 919 | return prot | PROT_EXEC; |
8b3ec681 | 920 | } |
98de59bf AV |
921 | /* anything on noexec mount won't get PROT_EXEC */ |
922 | return prot; | |
923 | } | |
924 | ||
925 | int security_mmap_file(struct file *file, unsigned long prot, | |
926 | unsigned long flags) | |
927 | { | |
928 | int ret; | |
f25fce3e | 929 | ret = call_int_hook(mmap_file, 0, file, prot, |
98de59bf | 930 | mmap_prot(file, prot), flags); |
6c21a7fb MZ |
931 | if (ret) |
932 | return ret; | |
933 | return ima_file_mmap(file, prot); | |
20510f2f JM |
934 | } |
935 | ||
e5467859 AV |
936 | int security_mmap_addr(unsigned long addr) |
937 | { | |
f25fce3e | 938 | return call_int_hook(mmap_addr, 0, addr); |
e5467859 AV |
939 | } |
940 | ||
20510f2f JM |
941 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
942 | unsigned long prot) | |
943 | { | |
f25fce3e | 944 | return call_int_hook(file_mprotect, 0, vma, reqprot, prot); |
20510f2f JM |
945 | } |
946 | ||
947 | int security_file_lock(struct file *file, unsigned int cmd) | |
948 | { | |
f25fce3e | 949 | return call_int_hook(file_lock, 0, file, cmd); |
20510f2f JM |
950 | } |
951 | ||
952 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
953 | { | |
f25fce3e | 954 | return call_int_hook(file_fcntl, 0, file, cmd, arg); |
20510f2f JM |
955 | } |
956 | ||
e0b93edd | 957 | void security_file_set_fowner(struct file *file) |
20510f2f | 958 | { |
f25fce3e | 959 | call_void_hook(file_set_fowner, file); |
20510f2f JM |
960 | } |
961 | ||
962 | int security_file_send_sigiotask(struct task_struct *tsk, | |
963 | struct fown_struct *fown, int sig) | |
964 | { | |
f25fce3e | 965 | return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); |
20510f2f JM |
966 | } |
967 | ||
968 | int security_file_receive(struct file *file) | |
969 | { | |
f25fce3e | 970 | return call_int_hook(file_receive, 0, file); |
20510f2f JM |
971 | } |
972 | ||
83d49856 | 973 | int security_file_open(struct file *file, const struct cred *cred) |
20510f2f | 974 | { |
c4ec54b4 EP |
975 | int ret; |
976 | ||
f25fce3e | 977 | ret = call_int_hook(file_open, 0, file, cred); |
c4ec54b4 EP |
978 | if (ret) |
979 | return ret; | |
980 | ||
981 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
982 | } |
983 | ||
e4e55b47 TH |
984 | int security_task_alloc(struct task_struct *task, unsigned long clone_flags) |
985 | { | |
986 | return call_int_hook(task_alloc, 0, task, clone_flags); | |
987 | } | |
988 | ||
1a2a4d06 KC |
989 | void security_task_free(struct task_struct *task) |
990 | { | |
f25fce3e | 991 | call_void_hook(task_free, task); |
1a2a4d06 KC |
992 | } |
993 | ||
ee18d64c DH |
994 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
995 | { | |
f25fce3e | 996 | return call_int_hook(cred_alloc_blank, 0, cred, gfp); |
ee18d64c DH |
997 | } |
998 | ||
d84f4f99 | 999 | void security_cred_free(struct cred *cred) |
20510f2f | 1000 | { |
f25fce3e | 1001 | call_void_hook(cred_free, cred); |
20510f2f JM |
1002 | } |
1003 | ||
d84f4f99 | 1004 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 1005 | { |
f25fce3e | 1006 | return call_int_hook(cred_prepare, 0, new, old, gfp); |
d84f4f99 DH |
1007 | } |
1008 | ||
ee18d64c DH |
1009 | void security_transfer_creds(struct cred *new, const struct cred *old) |
1010 | { | |
f25fce3e | 1011 | call_void_hook(cred_transfer, new, old); |
ee18d64c DH |
1012 | } |
1013 | ||
3ec30113 MG |
1014 | void security_cred_getsecid(const struct cred *c, u32 *secid) |
1015 | { | |
1016 | *secid = 0; | |
1017 | call_void_hook(cred_getsecid, c, secid); | |
1018 | } | |
1019 | EXPORT_SYMBOL(security_cred_getsecid); | |
1020 | ||
3a3b7ce9 DH |
1021 | int security_kernel_act_as(struct cred *new, u32 secid) |
1022 | { | |
f25fce3e | 1023 | return call_int_hook(kernel_act_as, 0, new, secid); |
3a3b7ce9 DH |
1024 | } |
1025 | ||
1026 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
1027 | { | |
f25fce3e | 1028 | return call_int_hook(kernel_create_files_as, 0, new, inode); |
3a3b7ce9 DH |
1029 | } |
1030 | ||
dd8dbf2e | 1031 | int security_kernel_module_request(char *kmod_name) |
9188499c | 1032 | { |
f25fce3e | 1033 | return call_int_hook(kernel_module_request, 0, kmod_name); |
9188499c EP |
1034 | } |
1035 | ||
39eeb4fb MZ |
1036 | int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) |
1037 | { | |
1038 | int ret; | |
1039 | ||
1040 | ret = call_int_hook(kernel_read_file, 0, file, id); | |
1041 | if (ret) | |
1042 | return ret; | |
1043 | return ima_read_file(file, id); | |
1044 | } | |
1045 | EXPORT_SYMBOL_GPL(security_kernel_read_file); | |
1046 | ||
bc8ca5b9 MZ |
1047 | int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, |
1048 | enum kernel_read_file_id id) | |
b44a7dfc | 1049 | { |
cf222217 MZ |
1050 | int ret; |
1051 | ||
1052 | ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); | |
1053 | if (ret) | |
1054 | return ret; | |
1055 | return ima_post_read_file(file, buf, size, id); | |
b44a7dfc MZ |
1056 | } |
1057 | EXPORT_SYMBOL_GPL(security_kernel_post_read_file); | |
1058 | ||
d84f4f99 DH |
1059 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
1060 | int flags) | |
20510f2f | 1061 | { |
f25fce3e | 1062 | return call_int_hook(task_fix_setuid, 0, new, old, flags); |
20510f2f JM |
1063 | } |
1064 | ||
20510f2f JM |
1065 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
1066 | { | |
f25fce3e | 1067 | return call_int_hook(task_setpgid, 0, p, pgid); |
20510f2f JM |
1068 | } |
1069 | ||
1070 | int security_task_getpgid(struct task_struct *p) | |
1071 | { | |
f25fce3e | 1072 | return call_int_hook(task_getpgid, 0, p); |
20510f2f JM |
1073 | } |
1074 | ||
1075 | int security_task_getsid(struct task_struct *p) | |
1076 | { | |
f25fce3e | 1077 | return call_int_hook(task_getsid, 0, p); |
20510f2f JM |
1078 | } |
1079 | ||
1080 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
1081 | { | |
b1d9e6b0 | 1082 | *secid = 0; |
f25fce3e | 1083 | call_void_hook(task_getsecid, p, secid); |
20510f2f JM |
1084 | } |
1085 | EXPORT_SYMBOL(security_task_getsecid); | |
1086 | ||
20510f2f JM |
1087 | int security_task_setnice(struct task_struct *p, int nice) |
1088 | { | |
f25fce3e | 1089 | return call_int_hook(task_setnice, 0, p, nice); |
20510f2f JM |
1090 | } |
1091 | ||
1092 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
1093 | { | |
f25fce3e | 1094 | return call_int_hook(task_setioprio, 0, p, ioprio); |
20510f2f JM |
1095 | } |
1096 | ||
1097 | int security_task_getioprio(struct task_struct *p) | |
1098 | { | |
f25fce3e | 1099 | return call_int_hook(task_getioprio, 0, p); |
20510f2f JM |
1100 | } |
1101 | ||
791ec491 SS |
1102 | int security_task_prlimit(const struct cred *cred, const struct cred *tcred, |
1103 | unsigned int flags) | |
1104 | { | |
1105 | return call_int_hook(task_prlimit, 0, cred, tcred, flags); | |
1106 | } | |
1107 | ||
8fd00b4d JS |
1108 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
1109 | struct rlimit *new_rlim) | |
20510f2f | 1110 | { |
f25fce3e | 1111 | return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); |
20510f2f JM |
1112 | } |
1113 | ||
b0ae1981 | 1114 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 1115 | { |
f25fce3e | 1116 | return call_int_hook(task_setscheduler, 0, p); |
20510f2f JM |
1117 | } |
1118 | ||
1119 | int security_task_getscheduler(struct task_struct *p) | |
1120 | { | |
f25fce3e | 1121 | return call_int_hook(task_getscheduler, 0, p); |
20510f2f JM |
1122 | } |
1123 | ||
1124 | int security_task_movememory(struct task_struct *p) | |
1125 | { | |
f25fce3e | 1126 | return call_int_hook(task_movememory, 0, p); |
20510f2f JM |
1127 | } |
1128 | ||
1129 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
6b4f3d01 | 1130 | int sig, const struct cred *cred) |
20510f2f | 1131 | { |
6b4f3d01 | 1132 | return call_int_hook(task_kill, 0, p, info, sig, cred); |
20510f2f JM |
1133 | } |
1134 | ||
20510f2f | 1135 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
d84f4f99 | 1136 | unsigned long arg4, unsigned long arg5) |
20510f2f | 1137 | { |
b1d9e6b0 CS |
1138 | int thisrc; |
1139 | int rc = -ENOSYS; | |
1140 | struct security_hook_list *hp; | |
1141 | ||
df0ce173 | 1142 | hlist_for_each_entry(hp, &security_hook_heads.task_prctl, list) { |
b1d9e6b0 CS |
1143 | thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); |
1144 | if (thisrc != -ENOSYS) { | |
1145 | rc = thisrc; | |
1146 | if (thisrc != 0) | |
1147 | break; | |
1148 | } | |
1149 | } | |
1150 | return rc; | |
20510f2f JM |
1151 | } |
1152 | ||
1153 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
1154 | { | |
f25fce3e | 1155 | call_void_hook(task_to_inode, p, inode); |
20510f2f JM |
1156 | } |
1157 | ||
1158 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
1159 | { | |
f25fce3e | 1160 | return call_int_hook(ipc_permission, 0, ipcp, flag); |
20510f2f JM |
1161 | } |
1162 | ||
8a076191 AD |
1163 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
1164 | { | |
b1d9e6b0 | 1165 | *secid = 0; |
f25fce3e | 1166 | call_void_hook(ipc_getsecid, ipcp, secid); |
8a076191 AD |
1167 | } |
1168 | ||
20510f2f JM |
1169 | int security_msg_msg_alloc(struct msg_msg *msg) |
1170 | { | |
f25fce3e | 1171 | return call_int_hook(msg_msg_alloc_security, 0, msg); |
20510f2f JM |
1172 | } |
1173 | ||
1174 | void security_msg_msg_free(struct msg_msg *msg) | |
1175 | { | |
f25fce3e | 1176 | call_void_hook(msg_msg_free_security, msg); |
20510f2f JM |
1177 | } |
1178 | ||
d8c6e854 | 1179 | int security_msg_queue_alloc(struct kern_ipc_perm *msq) |
20510f2f | 1180 | { |
f25fce3e | 1181 | return call_int_hook(msg_queue_alloc_security, 0, msq); |
20510f2f JM |
1182 | } |
1183 | ||
d8c6e854 | 1184 | void security_msg_queue_free(struct kern_ipc_perm *msq) |
20510f2f | 1185 | { |
f25fce3e | 1186 | call_void_hook(msg_queue_free_security, msq); |
20510f2f JM |
1187 | } |
1188 | ||
d8c6e854 | 1189 | int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg) |
20510f2f | 1190 | { |
f25fce3e | 1191 | return call_int_hook(msg_queue_associate, 0, msq, msqflg); |
20510f2f JM |
1192 | } |
1193 | ||
d8c6e854 | 1194 | int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd) |
20510f2f | 1195 | { |
f25fce3e | 1196 | return call_int_hook(msg_queue_msgctl, 0, msq, cmd); |
20510f2f JM |
1197 | } |
1198 | ||
d8c6e854 | 1199 | int security_msg_queue_msgsnd(struct kern_ipc_perm *msq, |
20510f2f JM |
1200 | struct msg_msg *msg, int msqflg) |
1201 | { | |
f25fce3e | 1202 | return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); |
20510f2f JM |
1203 | } |
1204 | ||
d8c6e854 | 1205 | int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg, |
20510f2f JM |
1206 | struct task_struct *target, long type, int mode) |
1207 | { | |
f25fce3e | 1208 | return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); |
20510f2f JM |
1209 | } |
1210 | ||
7191adff | 1211 | int security_shm_alloc(struct kern_ipc_perm *shp) |
20510f2f | 1212 | { |
f25fce3e | 1213 | return call_int_hook(shm_alloc_security, 0, shp); |
20510f2f JM |
1214 | } |
1215 | ||
7191adff | 1216 | void security_shm_free(struct kern_ipc_perm *shp) |
20510f2f | 1217 | { |
f25fce3e | 1218 | call_void_hook(shm_free_security, shp); |
20510f2f JM |
1219 | } |
1220 | ||
7191adff | 1221 | int security_shm_associate(struct kern_ipc_perm *shp, int shmflg) |
20510f2f | 1222 | { |
f25fce3e | 1223 | return call_int_hook(shm_associate, 0, shp, shmflg); |
20510f2f JM |
1224 | } |
1225 | ||
7191adff | 1226 | int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd) |
20510f2f | 1227 | { |
f25fce3e | 1228 | return call_int_hook(shm_shmctl, 0, shp, cmd); |
20510f2f JM |
1229 | } |
1230 | ||
7191adff | 1231 | int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg) |
20510f2f | 1232 | { |
f25fce3e | 1233 | return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); |
20510f2f JM |
1234 | } |
1235 | ||
aefad959 | 1236 | int security_sem_alloc(struct kern_ipc_perm *sma) |
20510f2f | 1237 | { |
f25fce3e | 1238 | return call_int_hook(sem_alloc_security, 0, sma); |
20510f2f JM |
1239 | } |
1240 | ||
aefad959 | 1241 | void security_sem_free(struct kern_ipc_perm *sma) |
20510f2f | 1242 | { |
f25fce3e | 1243 | call_void_hook(sem_free_security, sma); |
20510f2f JM |
1244 | } |
1245 | ||
aefad959 | 1246 | int security_sem_associate(struct kern_ipc_perm *sma, int semflg) |
20510f2f | 1247 | { |
f25fce3e | 1248 | return call_int_hook(sem_associate, 0, sma, semflg); |
20510f2f JM |
1249 | } |
1250 | ||
aefad959 | 1251 | int security_sem_semctl(struct kern_ipc_perm *sma, int cmd) |
20510f2f | 1252 | { |
f25fce3e | 1253 | return call_int_hook(sem_semctl, 0, sma, cmd); |
20510f2f JM |
1254 | } |
1255 | ||
aefad959 | 1256 | int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops, |
20510f2f JM |
1257 | unsigned nsops, int alter) |
1258 | { | |
f25fce3e | 1259 | return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); |
20510f2f JM |
1260 | } |
1261 | ||
1262 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1263 | { | |
1264 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1265 | return; | |
f25fce3e | 1266 | call_void_hook(d_instantiate, dentry, inode); |
20510f2f JM |
1267 | } |
1268 | EXPORT_SYMBOL(security_d_instantiate); | |
1269 | ||
1270 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1271 | { | |
b1d9e6b0 | 1272 | return call_int_hook(getprocattr, -EINVAL, p, name, value); |
20510f2f JM |
1273 | } |
1274 | ||
b21507e2 | 1275 | int security_setprocattr(const char *name, void *value, size_t size) |
20510f2f | 1276 | { |
b21507e2 | 1277 | return call_int_hook(setprocattr, -EINVAL, name, value, size); |
20510f2f JM |
1278 | } |
1279 | ||
1280 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1281 | { | |
f25fce3e | 1282 | return call_int_hook(netlink_send, 0, sk, skb); |
20510f2f | 1283 | } |
20510f2f | 1284 | |
746df9b5 DQ |
1285 | int security_ismaclabel(const char *name) |
1286 | { | |
f25fce3e | 1287 | return call_int_hook(ismaclabel, 0, name); |
746df9b5 DQ |
1288 | } |
1289 | EXPORT_SYMBOL(security_ismaclabel); | |
1290 | ||
20510f2f JM |
1291 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1292 | { | |
b1d9e6b0 CS |
1293 | return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, |
1294 | seclen); | |
20510f2f JM |
1295 | } |
1296 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1297 | ||
7bf570dc | 1298 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 | 1299 | { |
b1d9e6b0 | 1300 | *secid = 0; |
f25fce3e | 1301 | return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); |
63cb3449 DH |
1302 | } |
1303 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1304 | ||
20510f2f JM |
1305 | void security_release_secctx(char *secdata, u32 seclen) |
1306 | { | |
f25fce3e | 1307 | call_void_hook(release_secctx, secdata, seclen); |
20510f2f JM |
1308 | } |
1309 | EXPORT_SYMBOL(security_release_secctx); | |
1310 | ||
6f3be9f5 AG |
1311 | void security_inode_invalidate_secctx(struct inode *inode) |
1312 | { | |
1313 | call_void_hook(inode_invalidate_secctx, inode); | |
1314 | } | |
1315 | EXPORT_SYMBOL(security_inode_invalidate_secctx); | |
1316 | ||
1ee65e37 DQ |
1317 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1318 | { | |
f25fce3e | 1319 | return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); |
1ee65e37 DQ |
1320 | } |
1321 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1322 | ||
1323 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1324 | { | |
f25fce3e | 1325 | return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); |
1ee65e37 DQ |
1326 | } |
1327 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1328 | ||
1329 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1330 | { | |
b1d9e6b0 | 1331 | return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); |
1ee65e37 DQ |
1332 | } |
1333 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1334 | ||
20510f2f JM |
1335 | #ifdef CONFIG_SECURITY_NETWORK |
1336 | ||
3610cda5 | 1337 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f | 1338 | { |
f25fce3e | 1339 | return call_int_hook(unix_stream_connect, 0, sock, other, newsk); |
20510f2f JM |
1340 | } |
1341 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1342 | ||
1343 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1344 | { | |
f25fce3e | 1345 | return call_int_hook(unix_may_send, 0, sock, other); |
20510f2f JM |
1346 | } |
1347 | EXPORT_SYMBOL(security_unix_may_send); | |
1348 | ||
1349 | int security_socket_create(int family, int type, int protocol, int kern) | |
1350 | { | |
f25fce3e | 1351 | return call_int_hook(socket_create, 0, family, type, protocol, kern); |
20510f2f JM |
1352 | } |
1353 | ||
1354 | int security_socket_post_create(struct socket *sock, int family, | |
1355 | int type, int protocol, int kern) | |
1356 | { | |
f25fce3e | 1357 | return call_int_hook(socket_post_create, 0, sock, family, type, |
20510f2f JM |
1358 | protocol, kern); |
1359 | } | |
1360 | ||
1361 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) | |
1362 | { | |
f25fce3e | 1363 | return call_int_hook(socket_bind, 0, sock, address, addrlen); |
20510f2f JM |
1364 | } |
1365 | ||
1366 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1367 | { | |
f25fce3e | 1368 | return call_int_hook(socket_connect, 0, sock, address, addrlen); |
20510f2f JM |
1369 | } |
1370 | ||
1371 | int security_socket_listen(struct socket *sock, int backlog) | |
1372 | { | |
f25fce3e | 1373 | return call_int_hook(socket_listen, 0, sock, backlog); |
20510f2f JM |
1374 | } |
1375 | ||
1376 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1377 | { | |
f25fce3e | 1378 | return call_int_hook(socket_accept, 0, sock, newsock); |
20510f2f JM |
1379 | } |
1380 | ||
20510f2f JM |
1381 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1382 | { | |
f25fce3e | 1383 | return call_int_hook(socket_sendmsg, 0, sock, msg, size); |
20510f2f JM |
1384 | } |
1385 | ||
1386 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1387 | int size, int flags) | |
1388 | { | |
f25fce3e | 1389 | return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); |
20510f2f JM |
1390 | } |
1391 | ||
1392 | int security_socket_getsockname(struct socket *sock) | |
1393 | { | |
f25fce3e | 1394 | return call_int_hook(socket_getsockname, 0, sock); |
20510f2f JM |
1395 | } |
1396 | ||
1397 | int security_socket_getpeername(struct socket *sock) | |
1398 | { | |
f25fce3e | 1399 | return call_int_hook(socket_getpeername, 0, sock); |
20510f2f JM |
1400 | } |
1401 | ||
1402 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1403 | { | |
f25fce3e | 1404 | return call_int_hook(socket_getsockopt, 0, sock, level, optname); |
20510f2f JM |
1405 | } |
1406 | ||
1407 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1408 | { | |
f25fce3e | 1409 | return call_int_hook(socket_setsockopt, 0, sock, level, optname); |
20510f2f JM |
1410 | } |
1411 | ||
1412 | int security_socket_shutdown(struct socket *sock, int how) | |
1413 | { | |
f25fce3e | 1414 | return call_int_hook(socket_shutdown, 0, sock, how); |
20510f2f JM |
1415 | } |
1416 | ||
1417 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1418 | { | |
f25fce3e | 1419 | return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); |
20510f2f JM |
1420 | } |
1421 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1422 | ||
1423 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1424 | int __user *optlen, unsigned len) | |
1425 | { | |
b1d9e6b0 CS |
1426 | return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, |
1427 | optval, optlen, len); | |
20510f2f JM |
1428 | } |
1429 | ||
1430 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1431 | { | |
e308fd3b JB |
1432 | return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, |
1433 | skb, secid); | |
20510f2f JM |
1434 | } |
1435 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1436 | ||
1437 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1438 | { | |
f25fce3e | 1439 | return call_int_hook(sk_alloc_security, 0, sk, family, priority); |
20510f2f JM |
1440 | } |
1441 | ||
1442 | void security_sk_free(struct sock *sk) | |
1443 | { | |
f25fce3e | 1444 | call_void_hook(sk_free_security, sk); |
20510f2f JM |
1445 | } |
1446 | ||
1447 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1448 | { | |
f25fce3e | 1449 | call_void_hook(sk_clone_security, sk, newsk); |
20510f2f | 1450 | } |
6230c9b4 | 1451 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1452 | |
1453 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1454 | { | |
f25fce3e | 1455 | call_void_hook(sk_getsecid, sk, &fl->flowi_secid); |
20510f2f JM |
1456 | } |
1457 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1458 | ||
1459 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1460 | { | |
f25fce3e | 1461 | call_void_hook(req_classify_flow, req, fl); |
20510f2f JM |
1462 | } |
1463 | EXPORT_SYMBOL(security_req_classify_flow); | |
1464 | ||
1465 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1466 | { | |
f25fce3e | 1467 | call_void_hook(sock_graft, sk, parent); |
20510f2f JM |
1468 | } |
1469 | EXPORT_SYMBOL(security_sock_graft); | |
1470 | ||
1471 | int security_inet_conn_request(struct sock *sk, | |
1472 | struct sk_buff *skb, struct request_sock *req) | |
1473 | { | |
f25fce3e | 1474 | return call_int_hook(inet_conn_request, 0, sk, skb, req); |
20510f2f JM |
1475 | } |
1476 | EXPORT_SYMBOL(security_inet_conn_request); | |
1477 | ||
1478 | void security_inet_csk_clone(struct sock *newsk, | |
1479 | const struct request_sock *req) | |
1480 | { | |
f25fce3e | 1481 | call_void_hook(inet_csk_clone, newsk, req); |
20510f2f JM |
1482 | } |
1483 | ||
1484 | void security_inet_conn_established(struct sock *sk, | |
1485 | struct sk_buff *skb) | |
1486 | { | |
f25fce3e | 1487 | call_void_hook(inet_conn_established, sk, skb); |
20510f2f | 1488 | } |
72e89f50 | 1489 | EXPORT_SYMBOL(security_inet_conn_established); |
20510f2f | 1490 | |
2606fd1f EP |
1491 | int security_secmark_relabel_packet(u32 secid) |
1492 | { | |
f25fce3e | 1493 | return call_int_hook(secmark_relabel_packet, 0, secid); |
2606fd1f EP |
1494 | } |
1495 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1496 | ||
1497 | void security_secmark_refcount_inc(void) | |
1498 | { | |
f25fce3e | 1499 | call_void_hook(secmark_refcount_inc); |
2606fd1f EP |
1500 | } |
1501 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1502 | ||
1503 | void security_secmark_refcount_dec(void) | |
1504 | { | |
f25fce3e | 1505 | call_void_hook(secmark_refcount_dec); |
2606fd1f EP |
1506 | } |
1507 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1508 | ||
5dbbaf2d PM |
1509 | int security_tun_dev_alloc_security(void **security) |
1510 | { | |
f25fce3e | 1511 | return call_int_hook(tun_dev_alloc_security, 0, security); |
5dbbaf2d PM |
1512 | } |
1513 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1514 | ||
1515 | void security_tun_dev_free_security(void *security) | |
1516 | { | |
f25fce3e | 1517 | call_void_hook(tun_dev_free_security, security); |
5dbbaf2d PM |
1518 | } |
1519 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1520 | ||
2b980dbd PM |
1521 | int security_tun_dev_create(void) |
1522 | { | |
f25fce3e | 1523 | return call_int_hook(tun_dev_create, 0); |
2b980dbd PM |
1524 | } |
1525 | EXPORT_SYMBOL(security_tun_dev_create); | |
1526 | ||
5dbbaf2d | 1527 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1528 | { |
f25fce3e | 1529 | return call_int_hook(tun_dev_attach_queue, 0, security); |
2b980dbd | 1530 | } |
5dbbaf2d | 1531 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1532 | |
5dbbaf2d | 1533 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1534 | { |
f25fce3e | 1535 | return call_int_hook(tun_dev_attach, 0, sk, security); |
2b980dbd PM |
1536 | } |
1537 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1538 | ||
5dbbaf2d PM |
1539 | int security_tun_dev_open(void *security) |
1540 | { | |
f25fce3e | 1541 | return call_int_hook(tun_dev_open, 0, security); |
5dbbaf2d PM |
1542 | } |
1543 | EXPORT_SYMBOL(security_tun_dev_open); | |
1544 | ||
72e89f50 RH |
1545 | int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb) |
1546 | { | |
1547 | return call_int_hook(sctp_assoc_request, 0, ep, skb); | |
1548 | } | |
1549 | EXPORT_SYMBOL(security_sctp_assoc_request); | |
1550 | ||
1551 | int security_sctp_bind_connect(struct sock *sk, int optname, | |
1552 | struct sockaddr *address, int addrlen) | |
1553 | { | |
1554 | return call_int_hook(sctp_bind_connect, 0, sk, optname, | |
1555 | address, addrlen); | |
1556 | } | |
1557 | EXPORT_SYMBOL(security_sctp_bind_connect); | |
1558 | ||
1559 | void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk, | |
1560 | struct sock *newsk) | |
1561 | { | |
1562 | call_void_hook(sctp_sk_clone, ep, sk, newsk); | |
1563 | } | |
1564 | EXPORT_SYMBOL(security_sctp_sk_clone); | |
1565 | ||
20510f2f JM |
1566 | #endif /* CONFIG_SECURITY_NETWORK */ |
1567 | ||
d291f1a6 DJ |
1568 | #ifdef CONFIG_SECURITY_INFINIBAND |
1569 | ||
1570 | int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey) | |
1571 | { | |
1572 | return call_int_hook(ib_pkey_access, 0, sec, subnet_prefix, pkey); | |
1573 | } | |
1574 | EXPORT_SYMBOL(security_ib_pkey_access); | |
1575 | ||
47a2b338 DJ |
1576 | int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num) |
1577 | { | |
1578 | return call_int_hook(ib_endport_manage_subnet, 0, sec, dev_name, port_num); | |
1579 | } | |
1580 | EXPORT_SYMBOL(security_ib_endport_manage_subnet); | |
1581 | ||
d291f1a6 DJ |
1582 | int security_ib_alloc_security(void **sec) |
1583 | { | |
1584 | return call_int_hook(ib_alloc_security, 0, sec); | |
1585 | } | |
1586 | EXPORT_SYMBOL(security_ib_alloc_security); | |
1587 | ||
1588 | void security_ib_free_security(void *sec) | |
1589 | { | |
1590 | call_void_hook(ib_free_security, sec); | |
1591 | } | |
1592 | EXPORT_SYMBOL(security_ib_free_security); | |
1593 | #endif /* CONFIG_SECURITY_INFINIBAND */ | |
1594 | ||
20510f2f JM |
1595 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1596 | ||
52a4c640 NA |
1597 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1598 | struct xfrm_user_sec_ctx *sec_ctx, | |
1599 | gfp_t gfp) | |
20510f2f | 1600 | { |
f25fce3e | 1601 | return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); |
20510f2f JM |
1602 | } |
1603 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1604 | ||
03e1ad7b PM |
1605 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1606 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1607 | { |
f25fce3e | 1608 | return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); |
20510f2f JM |
1609 | } |
1610 | ||
03e1ad7b | 1611 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1612 | { |
f25fce3e | 1613 | call_void_hook(xfrm_policy_free_security, ctx); |
20510f2f JM |
1614 | } |
1615 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1616 | ||
03e1ad7b | 1617 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1618 | { |
f25fce3e | 1619 | return call_int_hook(xfrm_policy_delete_security, 0, ctx); |
20510f2f JM |
1620 | } |
1621 | ||
2e5aa866 PM |
1622 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1623 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1624 | { |
f25fce3e | 1625 | return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); |
20510f2f JM |
1626 | } |
1627 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1628 | ||
1629 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1630 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1631 | { | |
f25fce3e | 1632 | return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); |
20510f2f JM |
1633 | } |
1634 | ||
1635 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1636 | { | |
f25fce3e | 1637 | return call_int_hook(xfrm_state_delete_security, 0, x); |
20510f2f JM |
1638 | } |
1639 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1640 | ||
1641 | void security_xfrm_state_free(struct xfrm_state *x) | |
1642 | { | |
f25fce3e | 1643 | call_void_hook(xfrm_state_free_security, x); |
20510f2f JM |
1644 | } |
1645 | ||
03e1ad7b | 1646 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1647 | { |
f25fce3e | 1648 | return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); |
20510f2f JM |
1649 | } |
1650 | ||
1651 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1652 | struct xfrm_policy *xp, |
1653 | const struct flowi *fl) | |
20510f2f | 1654 | { |
b1d9e6b0 CS |
1655 | struct security_hook_list *hp; |
1656 | int rc = 1; | |
1657 | ||
1658 | /* | |
1659 | * Since this function is expected to return 0 or 1, the judgment | |
1660 | * becomes difficult if multiple LSMs supply this call. Fortunately, | |
1661 | * we can use the first LSM's judgment because currently only SELinux | |
1662 | * supplies this call. | |
1663 | * | |
1664 | * For speed optimization, we explicitly break the loop rather than | |
1665 | * using the macro | |
1666 | */ | |
df0ce173 | 1667 | hlist_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, |
b1d9e6b0 CS |
1668 | list) { |
1669 | rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); | |
1670 | break; | |
1671 | } | |
1672 | return rc; | |
20510f2f JM |
1673 | } |
1674 | ||
1675 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1676 | { | |
f25fce3e | 1677 | return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); |
20510f2f JM |
1678 | } |
1679 | ||
1680 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1681 | { | |
f25fce3e CS |
1682 | int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, |
1683 | 0); | |
20510f2f JM |
1684 | |
1685 | BUG_ON(rc); | |
1686 | } | |
1687 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1688 | ||
1689 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1690 | ||
1691 | #ifdef CONFIG_KEYS | |
1692 | ||
d84f4f99 DH |
1693 | int security_key_alloc(struct key *key, const struct cred *cred, |
1694 | unsigned long flags) | |
20510f2f | 1695 | { |
f25fce3e | 1696 | return call_int_hook(key_alloc, 0, key, cred, flags); |
20510f2f JM |
1697 | } |
1698 | ||
1699 | void security_key_free(struct key *key) | |
1700 | { | |
f25fce3e | 1701 | call_void_hook(key_free, key); |
20510f2f JM |
1702 | } |
1703 | ||
1704 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1705 | const struct cred *cred, unsigned perm) |
20510f2f | 1706 | { |
f25fce3e | 1707 | return call_int_hook(key_permission, 0, key_ref, cred, perm); |
20510f2f JM |
1708 | } |
1709 | ||
70a5bb72 DH |
1710 | int security_key_getsecurity(struct key *key, char **_buffer) |
1711 | { | |
b1d9e6b0 | 1712 | *_buffer = NULL; |
f25fce3e | 1713 | return call_int_hook(key_getsecurity, 0, key, _buffer); |
70a5bb72 DH |
1714 | } |
1715 | ||
20510f2f | 1716 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1717 | |
1718 | #ifdef CONFIG_AUDIT | |
1719 | ||
1720 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1721 | { | |
f25fce3e | 1722 | return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); |
03d37d25 AD |
1723 | } |
1724 | ||
1725 | int security_audit_rule_known(struct audit_krule *krule) | |
1726 | { | |
f25fce3e | 1727 | return call_int_hook(audit_rule_known, 0, krule); |
03d37d25 AD |
1728 | } |
1729 | ||
1730 | void security_audit_rule_free(void *lsmrule) | |
1731 | { | |
f25fce3e | 1732 | call_void_hook(audit_rule_free, lsmrule); |
03d37d25 AD |
1733 | } |
1734 | ||
1735 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1736 | struct audit_context *actx) | |
1737 | { | |
f25fce3e CS |
1738 | return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, |
1739 | actx); | |
03d37d25 | 1740 | } |
b1d9e6b0 | 1741 | #endif /* CONFIG_AUDIT */ |
afdb09c7 CF |
1742 | |
1743 | #ifdef CONFIG_BPF_SYSCALL | |
1744 | int security_bpf(int cmd, union bpf_attr *attr, unsigned int size) | |
1745 | { | |
1746 | return call_int_hook(bpf, 0, cmd, attr, size); | |
1747 | } | |
1748 | int security_bpf_map(struct bpf_map *map, fmode_t fmode) | |
1749 | { | |
1750 | return call_int_hook(bpf_map, 0, map, fmode); | |
1751 | } | |
1752 | int security_bpf_prog(struct bpf_prog *prog) | |
1753 | { | |
1754 | return call_int_hook(bpf_prog, 0, prog); | |
1755 | } | |
1756 | int security_bpf_map_alloc(struct bpf_map *map) | |
1757 | { | |
1758 | return call_int_hook(bpf_map_alloc_security, 0, map); | |
1759 | } | |
1760 | int security_bpf_prog_alloc(struct bpf_prog_aux *aux) | |
1761 | { | |
1762 | return call_int_hook(bpf_prog_alloc_security, 0, aux); | |
1763 | } | |
1764 | void security_bpf_map_free(struct bpf_map *map) | |
1765 | { | |
1766 | call_void_hook(bpf_map_free_security, map); | |
1767 | } | |
1768 | void security_bpf_prog_free(struct bpf_prog_aux *aux) | |
1769 | { | |
1770 | call_void_hook(bpf_prog_free_security, aux); | |
1771 | } | |
1772 | #endif /* CONFIG_BPF_SYSCALL */ |