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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 | |
823eb1cc | 33 | #define MAX_LSM_EVM_XATTR 2 |
1da177e4 | 34 | |
b1d9e6b0 CS |
35 | /* Maximum number of letters for an LSM name string */ |
36 | #define SECURITY_NAME_MAX 10 | |
37 | ||
3dfc9b02 | 38 | struct security_hook_heads security_hook_heads __lsm_ro_after_init; |
8f408ab6 DJ |
39 | static ATOMIC_NOTIFIER_HEAD(lsm_notifier_chain); |
40 | ||
d69dece5 | 41 | char *lsm_names; |
076c54c5 | 42 | /* Boot-time LSM user choice */ |
6e65f92f JJ |
43 | static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = |
44 | CONFIG_DEFAULT_SECURITY; | |
1da177e4 | 45 | |
5b89c1bd | 46 | static void __init major_lsm_init(void) |
1da177e4 | 47 | { |
5b89c1bd KC |
48 | struct lsm_info *lsm; |
49 | ||
50 | for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { | |
51 | lsm->init(); | |
1da177e4 LT |
52 | } |
53 | } | |
54 | ||
55 | /** | |
56 | * security_init - initializes the security framework | |
57 | * | |
58 | * This should be called early in the kernel initialization sequence. | |
59 | */ | |
60 | int __init security_init(void) | |
61 | { | |
3dfc9b02 | 62 | int i; |
df0ce173 | 63 | struct hlist_head *list = (struct hlist_head *) &security_hook_heads; |
3dfc9b02 | 64 | |
98d29170 KC |
65 | pr_info("Security Framework initializing\n"); |
66 | ||
df0ce173 | 67 | for (i = 0; i < sizeof(security_hook_heads) / sizeof(struct hlist_head); |
3dfc9b02 | 68 | i++) |
df0ce173 | 69 | INIT_HLIST_HEAD(&list[i]); |
1da177e4 | 70 | |
b1d9e6b0 | 71 | /* |
730daa16 | 72 | * Load minor LSMs, with the capability module always first. |
b1d9e6b0 CS |
73 | */ |
74 | capability_add_hooks(); | |
b1d9e6b0 | 75 | yama_add_hooks(); |
9b091556 | 76 | loadpin_add_hooks(); |
730daa16 | 77 | |
b1d9e6b0 | 78 | /* |
730daa16 | 79 | * Load all the remaining security modules. |
b1d9e6b0 | 80 | */ |
5b89c1bd | 81 | major_lsm_init(); |
1da177e4 LT |
82 | |
83 | return 0; | |
84 | } | |
85 | ||
076c54c5 AD |
86 | /* Save user chosen LSM */ |
87 | static int __init choose_lsm(char *str) | |
88 | { | |
89 | strncpy(chosen_lsm, str, SECURITY_NAME_MAX); | |
90 | return 1; | |
91 | } | |
92 | __setup("security=", choose_lsm); | |
93 | ||
3bb857e4 MS |
94 | static bool match_last_lsm(const char *list, const char *lsm) |
95 | { | |
96 | const char *last; | |
97 | ||
98 | if (WARN_ON(!list || !lsm)) | |
99 | return false; | |
100 | last = strrchr(list, ','); | |
101 | if (last) | |
102 | /* Pass the comma, strcmp() will check for '\0' */ | |
103 | last++; | |
104 | else | |
105 | last = list; | |
106 | return !strcmp(last, lsm); | |
107 | } | |
108 | ||
d69dece5 CS |
109 | static int lsm_append(char *new, char **result) |
110 | { | |
111 | char *cp; | |
112 | ||
113 | if (*result == NULL) { | |
114 | *result = kstrdup(new, GFP_KERNEL); | |
87ea5843 EB |
115 | if (*result == NULL) |
116 | return -ENOMEM; | |
d69dece5 | 117 | } else { |
3bb857e4 MS |
118 | /* Check if it is the last registered name */ |
119 | if (match_last_lsm(*result, new)) | |
120 | return 0; | |
d69dece5 CS |
121 | cp = kasprintf(GFP_KERNEL, "%s,%s", *result, new); |
122 | if (cp == NULL) | |
123 | return -ENOMEM; | |
124 | kfree(*result); | |
125 | *result = cp; | |
126 | } | |
127 | return 0; | |
128 | } | |
129 | ||
076c54c5 AD |
130 | /** |
131 | * security_module_enable - Load given security module on boot ? | |
b1d9e6b0 | 132 | * @module: the name of the module |
076c54c5 AD |
133 | * |
134 | * Each LSM must pass this method before registering its own operations | |
135 | * to avoid security registration races. This method may also be used | |
7cea51be | 136 | * to check if your LSM is currently loaded during kernel initialization. |
076c54c5 | 137 | * |
0e056eb5 MCC |
138 | * Returns: |
139 | * | |
140 | * true if: | |
141 | * | |
142 | * - The passed LSM is the one chosen by user at boot time, | |
143 | * - or the passed LSM is configured as the default and the user did not | |
144 | * choose an alternate LSM at boot time. | |
145 | * | |
076c54c5 AD |
146 | * Otherwise, return false. |
147 | */ | |
b1d9e6b0 | 148 | int __init security_module_enable(const char *module) |
076c54c5 | 149 | { |
b1d9e6b0 | 150 | return !strcmp(module, chosen_lsm); |
076c54c5 AD |
151 | } |
152 | ||
d69dece5 CS |
153 | /** |
154 | * security_add_hooks - Add a modules hooks to the hook lists. | |
155 | * @hooks: the hooks to add | |
156 | * @count: the number of hooks to add | |
157 | * @lsm: the name of the security module | |
158 | * | |
159 | * Each LSM has to register its hooks with the infrastructure. | |
160 | */ | |
161 | void __init security_add_hooks(struct security_hook_list *hooks, int count, | |
162 | char *lsm) | |
163 | { | |
164 | int i; | |
165 | ||
166 | for (i = 0; i < count; i++) { | |
167 | hooks[i].lsm = lsm; | |
df0ce173 | 168 | hlist_add_tail_rcu(&hooks[i].list, hooks[i].head); |
d69dece5 CS |
169 | } |
170 | if (lsm_append(lsm, &lsm_names) < 0) | |
171 | panic("%s - Cannot get early memory.\n", __func__); | |
172 | } | |
173 | ||
8f408ab6 DJ |
174 | int call_lsm_notifier(enum lsm_event event, void *data) |
175 | { | |
176 | return atomic_notifier_call_chain(&lsm_notifier_chain, event, data); | |
177 | } | |
178 | EXPORT_SYMBOL(call_lsm_notifier); | |
179 | ||
180 | int register_lsm_notifier(struct notifier_block *nb) | |
181 | { | |
182 | return atomic_notifier_chain_register(&lsm_notifier_chain, nb); | |
183 | } | |
184 | EXPORT_SYMBOL(register_lsm_notifier); | |
185 | ||
186 | int unregister_lsm_notifier(struct notifier_block *nb) | |
187 | { | |
188 | return atomic_notifier_chain_unregister(&lsm_notifier_chain, nb); | |
189 | } | |
190 | EXPORT_SYMBOL(unregister_lsm_notifier); | |
191 | ||
f25fce3e | 192 | /* |
b1d9e6b0 | 193 | * Hook list operation macros. |
1da177e4 | 194 | * |
f25fce3e CS |
195 | * call_void_hook: |
196 | * This is a hook that does not return a value. | |
1da177e4 | 197 | * |
f25fce3e CS |
198 | * call_int_hook: |
199 | * This is a hook that returns a value. | |
1da177e4 | 200 | */ |
1da177e4 | 201 | |
b1d9e6b0 CS |
202 | #define call_void_hook(FUNC, ...) \ |
203 | do { \ | |
204 | struct security_hook_list *P; \ | |
205 | \ | |
df0ce173 | 206 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) \ |
b1d9e6b0 CS |
207 | P->hook.FUNC(__VA_ARGS__); \ |
208 | } while (0) | |
209 | ||
210 | #define call_int_hook(FUNC, IRC, ...) ({ \ | |
211 | int RC = IRC; \ | |
212 | do { \ | |
213 | struct security_hook_list *P; \ | |
214 | \ | |
df0ce173 | 215 | hlist_for_each_entry(P, &security_hook_heads.FUNC, list) { \ |
b1d9e6b0 CS |
216 | RC = P->hook.FUNC(__VA_ARGS__); \ |
217 | if (RC != 0) \ | |
218 | break; \ | |
219 | } \ | |
220 | } while (0); \ | |
221 | RC; \ | |
222 | }) | |
1da177e4 | 223 | |
20510f2f JM |
224 | /* Security operations */ |
225 | ||
79af7307 SS |
226 | int security_binder_set_context_mgr(struct task_struct *mgr) |
227 | { | |
f25fce3e | 228 | return call_int_hook(binder_set_context_mgr, 0, mgr); |
79af7307 SS |
229 | } |
230 | ||
231 | int security_binder_transaction(struct task_struct *from, | |
232 | struct task_struct *to) | |
233 | { | |
f25fce3e | 234 | return call_int_hook(binder_transaction, 0, from, to); |
79af7307 SS |
235 | } |
236 | ||
237 | int security_binder_transfer_binder(struct task_struct *from, | |
238 | struct task_struct *to) | |
239 | { | |
f25fce3e | 240 | return call_int_hook(binder_transfer_binder, 0, from, to); |
79af7307 SS |
241 | } |
242 | ||
243 | int security_binder_transfer_file(struct task_struct *from, | |
244 | struct task_struct *to, struct file *file) | |
245 | { | |
f25fce3e | 246 | return call_int_hook(binder_transfer_file, 0, from, to, file); |
79af7307 SS |
247 | } |
248 | ||
9e48858f | 249 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 250 | { |
f25fce3e | 251 | return call_int_hook(ptrace_access_check, 0, child, mode); |
5cd9c58f DH |
252 | } |
253 | ||
254 | int security_ptrace_traceme(struct task_struct *parent) | |
255 | { | |
f25fce3e | 256 | return call_int_hook(ptrace_traceme, 0, parent); |
20510f2f JM |
257 | } |
258 | ||
259 | int security_capget(struct task_struct *target, | |
260 | kernel_cap_t *effective, | |
261 | kernel_cap_t *inheritable, | |
262 | kernel_cap_t *permitted) | |
263 | { | |
f25fce3e CS |
264 | return call_int_hook(capget, 0, target, |
265 | effective, inheritable, permitted); | |
20510f2f JM |
266 | } |
267 | ||
d84f4f99 DH |
268 | int security_capset(struct cred *new, const struct cred *old, |
269 | const kernel_cap_t *effective, | |
270 | const kernel_cap_t *inheritable, | |
271 | const kernel_cap_t *permitted) | |
20510f2f | 272 | { |
f25fce3e CS |
273 | return call_int_hook(capset, 0, new, old, |
274 | effective, inheritable, permitted); | |
20510f2f JM |
275 | } |
276 | ||
b7e724d3 | 277 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 278 | int cap) |
20510f2f | 279 | { |
f25fce3e | 280 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
281 | } |
282 | ||
c7eba4a9 EP |
283 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
284 | int cap) | |
06112163 | 285 | { |
f25fce3e | 286 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
287 | } |
288 | ||
20510f2f JM |
289 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
290 | { | |
f25fce3e | 291 | return call_int_hook(quotactl, 0, cmds, type, id, sb); |
20510f2f JM |
292 | } |
293 | ||
294 | int security_quota_on(struct dentry *dentry) | |
295 | { | |
f25fce3e | 296 | return call_int_hook(quota_on, 0, dentry); |
20510f2f JM |
297 | } |
298 | ||
12b3052c | 299 | int security_syslog(int type) |
20510f2f | 300 | { |
f25fce3e | 301 | return call_int_hook(syslog, 0, type); |
20510f2f JM |
302 | } |
303 | ||
457db29b | 304 | int security_settime64(const struct timespec64 *ts, const struct timezone *tz) |
20510f2f | 305 | { |
f25fce3e | 306 | return call_int_hook(settime, 0, ts, tz); |
20510f2f JM |
307 | } |
308 | ||
20510f2f JM |
309 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
310 | { | |
b1d9e6b0 CS |
311 | struct security_hook_list *hp; |
312 | int cap_sys_admin = 1; | |
313 | int rc; | |
314 | ||
315 | /* | |
316 | * The module will respond with a positive value if | |
317 | * it thinks the __vm_enough_memory() call should be | |
318 | * made with the cap_sys_admin set. If all of the modules | |
319 | * agree that it should be set it will. If any module | |
320 | * thinks it should not be set it won't. | |
321 | */ | |
df0ce173 | 322 | hlist_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) { |
b1d9e6b0 CS |
323 | rc = hp->hook.vm_enough_memory(mm, pages); |
324 | if (rc <= 0) { | |
325 | cap_sys_admin = 0; | |
326 | break; | |
327 | } | |
328 | } | |
329 | return __vm_enough_memory(mm, pages, cap_sys_admin); | |
20510f2f JM |
330 | } |
331 | ||
a6f76f23 | 332 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 333 | { |
f25fce3e | 334 | return call_int_hook(bprm_set_creds, 0, bprm); |
20510f2f JM |
335 | } |
336 | ||
a6f76f23 | 337 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 338 | { |
6c21a7fb MZ |
339 | int ret; |
340 | ||
f25fce3e | 341 | ret = call_int_hook(bprm_check_security, 0, bprm); |
6c21a7fb MZ |
342 | if (ret) |
343 | return ret; | |
344 | return ima_bprm_check(bprm); | |
20510f2f JM |
345 | } |
346 | ||
a6f76f23 | 347 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 348 | { |
f25fce3e | 349 | call_void_hook(bprm_committing_creds, bprm); |
20510f2f JM |
350 | } |
351 | ||
a6f76f23 | 352 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 353 | { |
f25fce3e | 354 | call_void_hook(bprm_committed_creds, bprm); |
20510f2f JM |
355 | } |
356 | ||
20510f2f JM |
357 | int security_sb_alloc(struct super_block *sb) |
358 | { | |
f25fce3e | 359 | return call_int_hook(sb_alloc_security, 0, sb); |
20510f2f JM |
360 | } |
361 | ||
362 | void security_sb_free(struct super_block *sb) | |
363 | { | |
f25fce3e | 364 | call_void_hook(sb_free_security, sb); |
20510f2f JM |
365 | } |
366 | ||
e0007529 | 367 | int security_sb_copy_data(char *orig, char *copy) |
20510f2f | 368 | { |
f25fce3e | 369 | return call_int_hook(sb_copy_data, 0, orig, copy); |
20510f2f | 370 | } |
e0007529 | 371 | EXPORT_SYMBOL(security_sb_copy_data); |
20510f2f | 372 | |
ff36fe2c EP |
373 | int security_sb_remount(struct super_block *sb, void *data) |
374 | { | |
f25fce3e | 375 | return call_int_hook(sb_remount, 0, sb, data); |
ff36fe2c EP |
376 | } |
377 | ||
12204e24 | 378 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
20510f2f | 379 | { |
f25fce3e | 380 | return call_int_hook(sb_kern_mount, 0, sb, flags, data); |
20510f2f JM |
381 | } |
382 | ||
2069f457 EP |
383 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
384 | { | |
f25fce3e | 385 | return call_int_hook(sb_show_options, 0, m, sb); |
2069f457 EP |
386 | } |
387 | ||
20510f2f JM |
388 | int security_sb_statfs(struct dentry *dentry) |
389 | { | |
f25fce3e | 390 | return call_int_hook(sb_statfs, 0, dentry); |
20510f2f JM |
391 | } |
392 | ||
8a04c43b | 393 | int security_sb_mount(const char *dev_name, const struct path *path, |
808d4e3c | 394 | const char *type, unsigned long flags, void *data) |
20510f2f | 395 | { |
f25fce3e | 396 | return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data); |
20510f2f JM |
397 | } |
398 | ||
20510f2f JM |
399 | int security_sb_umount(struct vfsmount *mnt, int flags) |
400 | { | |
f25fce3e | 401 | return call_int_hook(sb_umount, 0, mnt, flags); |
20510f2f JM |
402 | } |
403 | ||
3b73b68c | 404 | int security_sb_pivotroot(const struct path *old_path, const struct path *new_path) |
20510f2f | 405 | { |
f25fce3e | 406 | return call_int_hook(sb_pivotroot, 0, old_path, new_path); |
20510f2f JM |
407 | } |
408 | ||
c9180a57 | 409 | int security_sb_set_mnt_opts(struct super_block *sb, |
649f6e77 DQ |
410 | struct security_mnt_opts *opts, |
411 | unsigned long kern_flags, | |
412 | unsigned long *set_kern_flags) | |
c9180a57 | 413 | { |
b1d9e6b0 CS |
414 | return call_int_hook(sb_set_mnt_opts, |
415 | opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb, | |
416 | opts, kern_flags, set_kern_flags); | |
c9180a57 | 417 | } |
e0007529 | 418 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 419 | |
094f7b69 | 420 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
0b4d3452 SM |
421 | struct super_block *newsb, |
422 | unsigned long kern_flags, | |
423 | unsigned long *set_kern_flags) | |
c9180a57 | 424 | { |
0b4d3452 SM |
425 | return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb, |
426 | kern_flags, set_kern_flags); | |
c9180a57 | 427 | } |
e0007529 EP |
428 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
429 | ||
430 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
431 | { | |
f25fce3e | 432 | return call_int_hook(sb_parse_opts_str, 0, options, opts); |
e0007529 EP |
433 | } |
434 | EXPORT_SYMBOL(security_sb_parse_opts_str); | |
c9180a57 | 435 | |
20510f2f JM |
436 | int security_inode_alloc(struct inode *inode) |
437 | { | |
438 | inode->i_security = NULL; | |
f25fce3e | 439 | return call_int_hook(inode_alloc_security, 0, inode); |
20510f2f JM |
440 | } |
441 | ||
442 | void security_inode_free(struct inode *inode) | |
443 | { | |
f381c272 | 444 | integrity_inode_free(inode); |
f25fce3e | 445 | call_void_hook(inode_free_security, inode); |
20510f2f JM |
446 | } |
447 | ||
d47be3df | 448 | int security_dentry_init_security(struct dentry *dentry, int mode, |
4f3ccd76 | 449 | const struct qstr *name, void **ctx, |
d47be3df DQ |
450 | u32 *ctxlen) |
451 | { | |
b1d9e6b0 CS |
452 | return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode, |
453 | name, ctx, ctxlen); | |
d47be3df DQ |
454 | } |
455 | EXPORT_SYMBOL(security_dentry_init_security); | |
456 | ||
2602625b VG |
457 | int security_dentry_create_files_as(struct dentry *dentry, int mode, |
458 | struct qstr *name, | |
459 | const struct cred *old, struct cred *new) | |
460 | { | |
461 | return call_int_hook(dentry_create_files_as, 0, dentry, mode, | |
462 | name, old, new); | |
463 | } | |
464 | EXPORT_SYMBOL(security_dentry_create_files_as); | |
465 | ||
20510f2f | 466 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
467 | const struct qstr *qstr, |
468 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 469 | { |
823eb1cc MZ |
470 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
471 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
472 | int ret; |
473 | ||
20510f2f | 474 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 475 | return 0; |
9d8f13ba | 476 | |
9d8f13ba | 477 | if (!initxattrs) |
e308fd3b JB |
478 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, |
479 | dir, qstr, NULL, NULL, NULL); | |
9548906b | 480 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
9d8f13ba | 481 | lsm_xattr = new_xattrs; |
b1d9e6b0 | 482 | ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, |
9d8f13ba MZ |
483 | &lsm_xattr->name, |
484 | &lsm_xattr->value, | |
485 | &lsm_xattr->value_len); | |
486 | if (ret) | |
487 | goto out; | |
823eb1cc MZ |
488 | |
489 | evm_xattr = lsm_xattr + 1; | |
490 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
491 | if (ret) | |
492 | goto out; | |
9d8f13ba MZ |
493 | ret = initxattrs(inode, new_xattrs, fs_data); |
494 | out: | |
9548906b | 495 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
823eb1cc | 496 | kfree(xattr->value); |
9d8f13ba MZ |
497 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
498 | } | |
499 | EXPORT_SYMBOL(security_inode_init_security); | |
500 | ||
501 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 502 | const struct qstr *qstr, const char **name, |
9d8f13ba | 503 | void **value, size_t *len) |
20510f2f JM |
504 | { |
505 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 506 | return -EOPNOTSUPP; |
e308fd3b JB |
507 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, |
508 | qstr, name, value, len); | |
20510f2f | 509 | } |
9d8f13ba | 510 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 511 | |
be6d3e56 | 512 | #ifdef CONFIG_SECURITY_PATH |
d3607752 | 513 | int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
514 | unsigned int dev) |
515 | { | |
c6f493d6 | 516 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 517 | return 0; |
f25fce3e | 518 | return call_int_hook(path_mknod, 0, dir, dentry, mode, dev); |
be6d3e56 KT |
519 | } |
520 | EXPORT_SYMBOL(security_path_mknod); | |
521 | ||
d3607752 | 522 | int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 523 | { |
c6f493d6 | 524 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 525 | return 0; |
f25fce3e | 526 | return call_int_hook(path_mkdir, 0, dir, dentry, mode); |
be6d3e56 | 527 | } |
82140443 | 528 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 529 | |
989f74e0 | 530 | int security_path_rmdir(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 531 | { |
c6f493d6 | 532 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 533 | return 0; |
f25fce3e | 534 | return call_int_hook(path_rmdir, 0, dir, dentry); |
be6d3e56 KT |
535 | } |
536 | ||
989f74e0 | 537 | int security_path_unlink(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 538 | { |
c6f493d6 | 539 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 540 | return 0; |
f25fce3e | 541 | return call_int_hook(path_unlink, 0, dir, dentry); |
be6d3e56 | 542 | } |
82140443 | 543 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 544 | |
d3607752 | 545 | int security_path_symlink(const struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
546 | const char *old_name) |
547 | { | |
c6f493d6 | 548 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 549 | return 0; |
f25fce3e | 550 | return call_int_hook(path_symlink, 0, dir, dentry, old_name); |
be6d3e56 KT |
551 | } |
552 | ||
3ccee46a | 553 | int security_path_link(struct dentry *old_dentry, const struct path *new_dir, |
be6d3e56 KT |
554 | struct dentry *new_dentry) |
555 | { | |
c6f493d6 | 556 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
be6d3e56 | 557 | return 0; |
f25fce3e | 558 | return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry); |
be6d3e56 KT |
559 | } |
560 | ||
3ccee46a AV |
561 | int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, |
562 | const struct path *new_dir, struct dentry *new_dentry, | |
0b3974eb | 563 | unsigned int flags) |
be6d3e56 | 564 | { |
c6f493d6 DH |
565 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
566 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
be6d3e56 | 567 | return 0; |
da1ce067 MS |
568 | |
569 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e CS |
570 | int err = call_int_hook(path_rename, 0, new_dir, new_dentry, |
571 | old_dir, old_dentry); | |
da1ce067 MS |
572 | if (err) |
573 | return err; | |
574 | } | |
575 | ||
f25fce3e CS |
576 | return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, |
577 | new_dentry); | |
be6d3e56 | 578 | } |
82140443 | 579 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 580 | |
81f4c506 | 581 | int security_path_truncate(const struct path *path) |
be6d3e56 | 582 | { |
c6f493d6 | 583 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
be6d3e56 | 584 | return 0; |
f25fce3e | 585 | return call_int_hook(path_truncate, 0, path); |
be6d3e56 | 586 | } |
89eda068 | 587 | |
be01f9f2 | 588 | int security_path_chmod(const struct path *path, umode_t mode) |
89eda068 | 589 | { |
c6f493d6 | 590 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 591 | return 0; |
f25fce3e | 592 | return call_int_hook(path_chmod, 0, path, mode); |
89eda068 TH |
593 | } |
594 | ||
7fd25dac | 595 | int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
89eda068 | 596 | { |
c6f493d6 | 597 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 598 | return 0; |
f25fce3e | 599 | return call_int_hook(path_chown, 0, path, uid, gid); |
89eda068 | 600 | } |
8b8efb44 | 601 | |
77b286c0 | 602 | int security_path_chroot(const struct path *path) |
8b8efb44 | 603 | { |
f25fce3e | 604 | return call_int_hook(path_chroot, 0, path); |
8b8efb44 | 605 | } |
be6d3e56 KT |
606 | #endif |
607 | ||
4acdaf27 | 608 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
609 | { |
610 | if (unlikely(IS_PRIVATE(dir))) | |
611 | return 0; | |
f25fce3e | 612 | return call_int_hook(inode_create, 0, dir, dentry, mode); |
20510f2f | 613 | } |
800a9647 | 614 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
615 | |
616 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
617 | struct dentry *new_dentry) | |
618 | { | |
c6f493d6 | 619 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
20510f2f | 620 | return 0; |
f25fce3e | 621 | return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry); |
20510f2f JM |
622 | } |
623 | ||
624 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
625 | { | |
c6f493d6 | 626 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 627 | return 0; |
f25fce3e | 628 | return call_int_hook(inode_unlink, 0, dir, dentry); |
20510f2f JM |
629 | } |
630 | ||
631 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
632 | const char *old_name) | |
633 | { | |
634 | if (unlikely(IS_PRIVATE(dir))) | |
635 | return 0; | |
f25fce3e | 636 | return call_int_hook(inode_symlink, 0, dir, dentry, old_name); |
20510f2f JM |
637 | } |
638 | ||
18bb1db3 | 639 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
640 | { |
641 | if (unlikely(IS_PRIVATE(dir))) | |
642 | return 0; | |
f25fce3e | 643 | return call_int_hook(inode_mkdir, 0, dir, dentry, mode); |
20510f2f | 644 | } |
800a9647 | 645 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
646 | |
647 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
648 | { | |
c6f493d6 | 649 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 650 | return 0; |
f25fce3e | 651 | return call_int_hook(inode_rmdir, 0, dir, dentry); |
20510f2f JM |
652 | } |
653 | ||
1a67aafb | 654 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
655 | { |
656 | if (unlikely(IS_PRIVATE(dir))) | |
657 | return 0; | |
f25fce3e | 658 | return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev); |
20510f2f JM |
659 | } |
660 | ||
661 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
662 | struct inode *new_dir, struct dentry *new_dentry, |
663 | unsigned int flags) | |
20510f2f | 664 | { |
c6f493d6 DH |
665 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
666 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
20510f2f | 667 | return 0; |
da1ce067 MS |
668 | |
669 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e | 670 | int err = call_int_hook(inode_rename, 0, new_dir, new_dentry, |
da1ce067 MS |
671 | old_dir, old_dentry); |
672 | if (err) | |
673 | return err; | |
674 | } | |
675 | ||
f25fce3e | 676 | return call_int_hook(inode_rename, 0, old_dir, old_dentry, |
20510f2f JM |
677 | new_dir, new_dentry); |
678 | } | |
679 | ||
680 | int security_inode_readlink(struct dentry *dentry) | |
681 | { | |
c6f493d6 | 682 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 683 | return 0; |
f25fce3e | 684 | return call_int_hook(inode_readlink, 0, dentry); |
20510f2f JM |
685 | } |
686 | ||
bda0be7a N |
687 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
688 | bool rcu) | |
20510f2f | 689 | { |
bda0be7a | 690 | if (unlikely(IS_PRIVATE(inode))) |
20510f2f | 691 | return 0; |
e22619a2 | 692 | return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); |
20510f2f JM |
693 | } |
694 | ||
b77b0646 | 695 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
696 | { |
697 | if (unlikely(IS_PRIVATE(inode))) | |
698 | return 0; | |
f25fce3e | 699 | return call_int_hook(inode_permission, 0, inode, mask); |
20510f2f JM |
700 | } |
701 | ||
702 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
703 | { | |
817b54aa MZ |
704 | int ret; |
705 | ||
c6f493d6 | 706 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 707 | return 0; |
f25fce3e | 708 | ret = call_int_hook(inode_setattr, 0, dentry, attr); |
817b54aa MZ |
709 | if (ret) |
710 | return ret; | |
711 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 712 | } |
b1da47e2 | 713 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 714 | |
3f7036a0 | 715 | int security_inode_getattr(const struct path *path) |
20510f2f | 716 | { |
c6f493d6 | 717 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 718 | return 0; |
f25fce3e | 719 | return call_int_hook(inode_getattr, 0, path); |
20510f2f JM |
720 | } |
721 | ||
8f0cfa52 DH |
722 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
723 | const void *value, size_t size, int flags) | |
20510f2f | 724 | { |
3e1be52d MZ |
725 | int ret; |
726 | ||
c6f493d6 | 727 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 728 | return 0; |
b1d9e6b0 CS |
729 | /* |
730 | * SELinux and Smack integrate the cap call, | |
731 | * so assume that all LSMs supplying this call do so. | |
732 | */ | |
733 | ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, | |
f25fce3e | 734 | flags); |
b1d9e6b0 CS |
735 | |
736 | if (ret == 1) | |
737 | ret = cap_inode_setxattr(dentry, name, value, size, flags); | |
42c63330 MZ |
738 | if (ret) |
739 | return ret; | |
740 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
741 | if (ret) |
742 | return ret; | |
743 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
744 | } |
745 | ||
8f0cfa52 DH |
746 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
747 | const void *value, size_t size, int flags) | |
20510f2f | 748 | { |
c6f493d6 | 749 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 750 | return; |
f25fce3e | 751 | call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); |
3e1be52d | 752 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
753 | } |
754 | ||
8f0cfa52 | 755 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 756 | { |
c6f493d6 | 757 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 758 | return 0; |
f25fce3e | 759 | return call_int_hook(inode_getxattr, 0, dentry, name); |
20510f2f JM |
760 | } |
761 | ||
762 | int security_inode_listxattr(struct dentry *dentry) | |
763 | { | |
c6f493d6 | 764 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 765 | return 0; |
f25fce3e | 766 | return call_int_hook(inode_listxattr, 0, dentry); |
20510f2f JM |
767 | } |
768 | ||
8f0cfa52 | 769 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 770 | { |
3e1be52d MZ |
771 | int ret; |
772 | ||
c6f493d6 | 773 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 774 | return 0; |
b1d9e6b0 CS |
775 | /* |
776 | * SELinux and Smack integrate the cap call, | |
777 | * so assume that all LSMs supplying this call do so. | |
778 | */ | |
779 | ret = call_int_hook(inode_removexattr, 1, dentry, name); | |
780 | if (ret == 1) | |
781 | ret = cap_inode_removexattr(dentry, name); | |
42c63330 MZ |
782 | if (ret) |
783 | return ret; | |
784 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
785 | if (ret) |
786 | return ret; | |
787 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
788 | } |
789 | ||
b5376771 SH |
790 | int security_inode_need_killpriv(struct dentry *dentry) |
791 | { | |
f25fce3e | 792 | return call_int_hook(inode_need_killpriv, 0, dentry); |
b5376771 SH |
793 | } |
794 | ||
795 | int security_inode_killpriv(struct dentry *dentry) | |
796 | { | |
f25fce3e | 797 | return call_int_hook(inode_killpriv, 0, dentry); |
b5376771 SH |
798 | } |
799 | ||
ea861dfd | 800 | int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f | 801 | { |
2885c1e3 CS |
802 | struct security_hook_list *hp; |
803 | int rc; | |
804 | ||
20510f2f | 805 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 806 | return -EOPNOTSUPP; |
2885c1e3 CS |
807 | /* |
808 | * Only one module will provide an attribute with a given name. | |
809 | */ | |
df0ce173 | 810 | hlist_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { |
2885c1e3 CS |
811 | rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); |
812 | if (rc != -EOPNOTSUPP) | |
813 | return rc; | |
814 | } | |
815 | return -EOPNOTSUPP; | |
20510f2f JM |
816 | } |
817 | ||
818 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
819 | { | |
2885c1e3 CS |
820 | struct security_hook_list *hp; |
821 | int rc; | |
822 | ||
20510f2f | 823 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 824 | return -EOPNOTSUPP; |
2885c1e3 CS |
825 | /* |
826 | * Only one module will provide an attribute with a given name. | |
827 | */ | |
df0ce173 | 828 | hlist_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { |
2885c1e3 CS |
829 | rc = hp->hook.inode_setsecurity(inode, name, value, size, |
830 | flags); | |
831 | if (rc != -EOPNOTSUPP) | |
832 | return rc; | |
833 | } | |
834 | return -EOPNOTSUPP; | |
20510f2f JM |
835 | } |
836 | ||
837 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
838 | { | |
839 | if (unlikely(IS_PRIVATE(inode))) | |
840 | return 0; | |
f25fce3e | 841 | return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); |
20510f2f | 842 | } |
c9bccef6 | 843 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 844 | |
d6335d77 | 845 | void security_inode_getsecid(struct inode *inode, u32 *secid) |
8a076191 | 846 | { |
f25fce3e | 847 | call_void_hook(inode_getsecid, inode, secid); |
8a076191 AD |
848 | } |
849 | ||
d8ad8b49 VG |
850 | int security_inode_copy_up(struct dentry *src, struct cred **new) |
851 | { | |
852 | return call_int_hook(inode_copy_up, 0, src, new); | |
853 | } | |
854 | EXPORT_SYMBOL(security_inode_copy_up); | |
855 | ||
121ab822 VG |
856 | int security_inode_copy_up_xattr(const char *name) |
857 | { | |
858 | return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); | |
859 | } | |
860 | EXPORT_SYMBOL(security_inode_copy_up_xattr); | |
861 | ||
20510f2f JM |
862 | int security_file_permission(struct file *file, int mask) |
863 | { | |
c4ec54b4 EP |
864 | int ret; |
865 | ||
f25fce3e | 866 | ret = call_int_hook(file_permission, 0, file, mask); |
c4ec54b4 EP |
867 | if (ret) |
868 | return ret; | |
869 | ||
870 | return fsnotify_perm(file, mask); | |
20510f2f JM |
871 | } |
872 | ||
873 | int security_file_alloc(struct file *file) | |
874 | { | |
f25fce3e | 875 | return call_int_hook(file_alloc_security, 0, file); |
20510f2f JM |
876 | } |
877 | ||
878 | void security_file_free(struct file *file) | |
879 | { | |
f25fce3e | 880 | call_void_hook(file_free_security, file); |
20510f2f JM |
881 | } |
882 | ||
883 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
884 | { | |
f25fce3e | 885 | return call_int_hook(file_ioctl, 0, file, cmd, arg); |
20510f2f JM |
886 | } |
887 | ||
98de59bf | 888 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 889 | { |
8b3ec681 | 890 | /* |
98de59bf AV |
891 | * Does we have PROT_READ and does the application expect |
892 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 893 | */ |
98de59bf AV |
894 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
895 | return prot; | |
8b3ec681 | 896 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
897 | return prot; |
898 | /* | |
899 | * if that's an anonymous mapping, let it. | |
900 | */ | |
901 | if (!file) | |
902 | return prot | PROT_EXEC; | |
903 | /* | |
904 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 905 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf | 906 | */ |
90f8572b | 907 | if (!path_noexec(&file->f_path)) { |
8b3ec681 | 908 | #ifndef CONFIG_MMU |
b4caecd4 CH |
909 | if (file->f_op->mmap_capabilities) { |
910 | unsigned caps = file->f_op->mmap_capabilities(file); | |
911 | if (!(caps & NOMMU_MAP_EXEC)) | |
912 | return prot; | |
913 | } | |
8b3ec681 | 914 | #endif |
98de59bf | 915 | return prot | PROT_EXEC; |
8b3ec681 | 916 | } |
98de59bf AV |
917 | /* anything on noexec mount won't get PROT_EXEC */ |
918 | return prot; | |
919 | } | |
920 | ||
921 | int security_mmap_file(struct file *file, unsigned long prot, | |
922 | unsigned long flags) | |
923 | { | |
924 | int ret; | |
f25fce3e | 925 | ret = call_int_hook(mmap_file, 0, file, prot, |
98de59bf | 926 | mmap_prot(file, prot), flags); |
6c21a7fb MZ |
927 | if (ret) |
928 | return ret; | |
929 | return ima_file_mmap(file, prot); | |
20510f2f JM |
930 | } |
931 | ||
e5467859 AV |
932 | int security_mmap_addr(unsigned long addr) |
933 | { | |
f25fce3e | 934 | return call_int_hook(mmap_addr, 0, addr); |
e5467859 AV |
935 | } |
936 | ||
20510f2f JM |
937 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
938 | unsigned long prot) | |
939 | { | |
f25fce3e | 940 | return call_int_hook(file_mprotect, 0, vma, reqprot, prot); |
20510f2f JM |
941 | } |
942 | ||
943 | int security_file_lock(struct file *file, unsigned int cmd) | |
944 | { | |
f25fce3e | 945 | return call_int_hook(file_lock, 0, file, cmd); |
20510f2f JM |
946 | } |
947 | ||
948 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
949 | { | |
f25fce3e | 950 | return call_int_hook(file_fcntl, 0, file, cmd, arg); |
20510f2f JM |
951 | } |
952 | ||
e0b93edd | 953 | void security_file_set_fowner(struct file *file) |
20510f2f | 954 | { |
f25fce3e | 955 | call_void_hook(file_set_fowner, file); |
20510f2f JM |
956 | } |
957 | ||
958 | int security_file_send_sigiotask(struct task_struct *tsk, | |
959 | struct fown_struct *fown, int sig) | |
960 | { | |
f25fce3e | 961 | return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); |
20510f2f JM |
962 | } |
963 | ||
964 | int security_file_receive(struct file *file) | |
965 | { | |
f25fce3e | 966 | return call_int_hook(file_receive, 0, file); |
20510f2f JM |
967 | } |
968 | ||
e3f20ae2 | 969 | int security_file_open(struct file *file) |
20510f2f | 970 | { |
c4ec54b4 EP |
971 | int ret; |
972 | ||
94817692 | 973 | ret = call_int_hook(file_open, 0, file); |
c4ec54b4 EP |
974 | if (ret) |
975 | return ret; | |
976 | ||
977 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
978 | } |
979 | ||
e4e55b47 TH |
980 | int security_task_alloc(struct task_struct *task, unsigned long clone_flags) |
981 | { | |
982 | return call_int_hook(task_alloc, 0, task, clone_flags); | |
983 | } | |
984 | ||
1a2a4d06 KC |
985 | void security_task_free(struct task_struct *task) |
986 | { | |
f25fce3e | 987 | call_void_hook(task_free, task); |
1a2a4d06 KC |
988 | } |
989 | ||
ee18d64c DH |
990 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
991 | { | |
f25fce3e | 992 | return call_int_hook(cred_alloc_blank, 0, cred, gfp); |
ee18d64c DH |
993 | } |
994 | ||
d84f4f99 | 995 | void security_cred_free(struct cred *cred) |
20510f2f | 996 | { |
f25fce3e | 997 | call_void_hook(cred_free, cred); |
20510f2f JM |
998 | } |
999 | ||
d84f4f99 | 1000 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 1001 | { |
f25fce3e | 1002 | return call_int_hook(cred_prepare, 0, new, old, gfp); |
d84f4f99 DH |
1003 | } |
1004 | ||
ee18d64c DH |
1005 | void security_transfer_creds(struct cred *new, const struct cred *old) |
1006 | { | |
f25fce3e | 1007 | call_void_hook(cred_transfer, new, old); |
ee18d64c DH |
1008 | } |
1009 | ||
3ec30113 MG |
1010 | void security_cred_getsecid(const struct cred *c, u32 *secid) |
1011 | { | |
1012 | *secid = 0; | |
1013 | call_void_hook(cred_getsecid, c, secid); | |
1014 | } | |
1015 | EXPORT_SYMBOL(security_cred_getsecid); | |
1016 | ||
3a3b7ce9 DH |
1017 | int security_kernel_act_as(struct cred *new, u32 secid) |
1018 | { | |
f25fce3e | 1019 | return call_int_hook(kernel_act_as, 0, new, secid); |
3a3b7ce9 DH |
1020 | } |
1021 | ||
1022 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
1023 | { | |
f25fce3e | 1024 | return call_int_hook(kernel_create_files_as, 0, new, inode); |
3a3b7ce9 DH |
1025 | } |
1026 | ||
dd8dbf2e | 1027 | int security_kernel_module_request(char *kmod_name) |
9188499c | 1028 | { |
6eb864c1 MK |
1029 | int ret; |
1030 | ||
1031 | ret = call_int_hook(kernel_module_request, 0, kmod_name); | |
1032 | if (ret) | |
1033 | return ret; | |
1034 | return integrity_kernel_module_request(kmod_name); | |
9188499c EP |
1035 | } |
1036 | ||
39eeb4fb MZ |
1037 | int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) |
1038 | { | |
1039 | int ret; | |
1040 | ||
1041 | ret = call_int_hook(kernel_read_file, 0, file, id); | |
1042 | if (ret) | |
1043 | return ret; | |
1044 | return ima_read_file(file, id); | |
1045 | } | |
1046 | EXPORT_SYMBOL_GPL(security_kernel_read_file); | |
1047 | ||
bc8ca5b9 MZ |
1048 | int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, |
1049 | enum kernel_read_file_id id) | |
b44a7dfc | 1050 | { |
cf222217 MZ |
1051 | int ret; |
1052 | ||
1053 | ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); | |
1054 | if (ret) | |
1055 | return ret; | |
1056 | return ima_post_read_file(file, buf, size, id); | |
b44a7dfc MZ |
1057 | } |
1058 | EXPORT_SYMBOL_GPL(security_kernel_post_read_file); | |
1059 | ||
377179cd MZ |
1060 | int security_kernel_load_data(enum kernel_load_data_id id) |
1061 | { | |
16c267aa MZ |
1062 | int ret; |
1063 | ||
1064 | ret = call_int_hook(kernel_load_data, 0, id); | |
1065 | if (ret) | |
1066 | return ret; | |
1067 | return ima_load_data(id); | |
377179cd | 1068 | } |
83a68a06 | 1069 | EXPORT_SYMBOL_GPL(security_kernel_load_data); |
377179cd | 1070 | |
d84f4f99 DH |
1071 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
1072 | int flags) | |
20510f2f | 1073 | { |
f25fce3e | 1074 | return call_int_hook(task_fix_setuid, 0, new, old, flags); |
20510f2f JM |
1075 | } |
1076 | ||
20510f2f JM |
1077 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
1078 | { | |
f25fce3e | 1079 | return call_int_hook(task_setpgid, 0, p, pgid); |
20510f2f JM |
1080 | } |
1081 | ||
1082 | int security_task_getpgid(struct task_struct *p) | |
1083 | { | |
f25fce3e | 1084 | return call_int_hook(task_getpgid, 0, p); |
20510f2f JM |
1085 | } |
1086 | ||
1087 | int security_task_getsid(struct task_struct *p) | |
1088 | { | |
f25fce3e | 1089 | return call_int_hook(task_getsid, 0, p); |
20510f2f JM |
1090 | } |
1091 | ||
1092 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
1093 | { | |
b1d9e6b0 | 1094 | *secid = 0; |
f25fce3e | 1095 | call_void_hook(task_getsecid, p, secid); |
20510f2f JM |
1096 | } |
1097 | EXPORT_SYMBOL(security_task_getsecid); | |
1098 | ||
20510f2f JM |
1099 | int security_task_setnice(struct task_struct *p, int nice) |
1100 | { | |
f25fce3e | 1101 | return call_int_hook(task_setnice, 0, p, nice); |
20510f2f JM |
1102 | } |
1103 | ||
1104 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
1105 | { | |
f25fce3e | 1106 | return call_int_hook(task_setioprio, 0, p, ioprio); |
20510f2f JM |
1107 | } |
1108 | ||
1109 | int security_task_getioprio(struct task_struct *p) | |
1110 | { | |
f25fce3e | 1111 | return call_int_hook(task_getioprio, 0, p); |
20510f2f JM |
1112 | } |
1113 | ||
791ec491 SS |
1114 | int security_task_prlimit(const struct cred *cred, const struct cred *tcred, |
1115 | unsigned int flags) | |
1116 | { | |
1117 | return call_int_hook(task_prlimit, 0, cred, tcred, flags); | |
1118 | } | |
1119 | ||
8fd00b4d JS |
1120 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
1121 | struct rlimit *new_rlim) | |
20510f2f | 1122 | { |
f25fce3e | 1123 | return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); |
20510f2f JM |
1124 | } |
1125 | ||
b0ae1981 | 1126 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 1127 | { |
f25fce3e | 1128 | return call_int_hook(task_setscheduler, 0, p); |
20510f2f JM |
1129 | } |
1130 | ||
1131 | int security_task_getscheduler(struct task_struct *p) | |
1132 | { | |
f25fce3e | 1133 | return call_int_hook(task_getscheduler, 0, p); |
20510f2f JM |
1134 | } |
1135 | ||
1136 | int security_task_movememory(struct task_struct *p) | |
1137 | { | |
f25fce3e | 1138 | return call_int_hook(task_movememory, 0, p); |
20510f2f JM |
1139 | } |
1140 | ||
1141 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
6b4f3d01 | 1142 | int sig, const struct cred *cred) |
20510f2f | 1143 | { |
6b4f3d01 | 1144 | return call_int_hook(task_kill, 0, p, info, sig, cred); |
20510f2f JM |
1145 | } |
1146 | ||
20510f2f | 1147 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
d84f4f99 | 1148 | unsigned long arg4, unsigned long arg5) |
20510f2f | 1149 | { |
b1d9e6b0 CS |
1150 | int thisrc; |
1151 | int rc = -ENOSYS; | |
1152 | struct security_hook_list *hp; | |
1153 | ||
df0ce173 | 1154 | hlist_for_each_entry(hp, &security_hook_heads.task_prctl, list) { |
b1d9e6b0 CS |
1155 | thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); |
1156 | if (thisrc != -ENOSYS) { | |
1157 | rc = thisrc; | |
1158 | if (thisrc != 0) | |
1159 | break; | |
1160 | } | |
1161 | } | |
1162 | return rc; | |
20510f2f JM |
1163 | } |
1164 | ||
1165 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
1166 | { | |
f25fce3e | 1167 | call_void_hook(task_to_inode, p, inode); |
20510f2f JM |
1168 | } |
1169 | ||
1170 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
1171 | { | |
f25fce3e | 1172 | return call_int_hook(ipc_permission, 0, ipcp, flag); |
20510f2f JM |
1173 | } |
1174 | ||
8a076191 AD |
1175 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
1176 | { | |
b1d9e6b0 | 1177 | *secid = 0; |
f25fce3e | 1178 | call_void_hook(ipc_getsecid, ipcp, secid); |
8a076191 AD |
1179 | } |
1180 | ||
20510f2f JM |
1181 | int security_msg_msg_alloc(struct msg_msg *msg) |
1182 | { | |
f25fce3e | 1183 | return call_int_hook(msg_msg_alloc_security, 0, msg); |
20510f2f JM |
1184 | } |
1185 | ||
1186 | void security_msg_msg_free(struct msg_msg *msg) | |
1187 | { | |
f25fce3e | 1188 | call_void_hook(msg_msg_free_security, msg); |
20510f2f JM |
1189 | } |
1190 | ||
d8c6e854 | 1191 | int security_msg_queue_alloc(struct kern_ipc_perm *msq) |
20510f2f | 1192 | { |
f25fce3e | 1193 | return call_int_hook(msg_queue_alloc_security, 0, msq); |
20510f2f JM |
1194 | } |
1195 | ||
d8c6e854 | 1196 | void security_msg_queue_free(struct kern_ipc_perm *msq) |
20510f2f | 1197 | { |
f25fce3e | 1198 | call_void_hook(msg_queue_free_security, msq); |
20510f2f JM |
1199 | } |
1200 | ||
d8c6e854 | 1201 | int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg) |
20510f2f | 1202 | { |
f25fce3e | 1203 | return call_int_hook(msg_queue_associate, 0, msq, msqflg); |
20510f2f JM |
1204 | } |
1205 | ||
d8c6e854 | 1206 | int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd) |
20510f2f | 1207 | { |
f25fce3e | 1208 | return call_int_hook(msg_queue_msgctl, 0, msq, cmd); |
20510f2f JM |
1209 | } |
1210 | ||
d8c6e854 | 1211 | int security_msg_queue_msgsnd(struct kern_ipc_perm *msq, |
20510f2f JM |
1212 | struct msg_msg *msg, int msqflg) |
1213 | { | |
f25fce3e | 1214 | return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); |
20510f2f JM |
1215 | } |
1216 | ||
d8c6e854 | 1217 | int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg, |
20510f2f JM |
1218 | struct task_struct *target, long type, int mode) |
1219 | { | |
f25fce3e | 1220 | return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); |
20510f2f JM |
1221 | } |
1222 | ||
7191adff | 1223 | int security_shm_alloc(struct kern_ipc_perm *shp) |
20510f2f | 1224 | { |
f25fce3e | 1225 | return call_int_hook(shm_alloc_security, 0, shp); |
20510f2f JM |
1226 | } |
1227 | ||
7191adff | 1228 | void security_shm_free(struct kern_ipc_perm *shp) |
20510f2f | 1229 | { |
f25fce3e | 1230 | call_void_hook(shm_free_security, shp); |
20510f2f JM |
1231 | } |
1232 | ||
7191adff | 1233 | int security_shm_associate(struct kern_ipc_perm *shp, int shmflg) |
20510f2f | 1234 | { |
f25fce3e | 1235 | return call_int_hook(shm_associate, 0, shp, shmflg); |
20510f2f JM |
1236 | } |
1237 | ||
7191adff | 1238 | int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd) |
20510f2f | 1239 | { |
f25fce3e | 1240 | return call_int_hook(shm_shmctl, 0, shp, cmd); |
20510f2f JM |
1241 | } |
1242 | ||
7191adff | 1243 | int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg) |
20510f2f | 1244 | { |
f25fce3e | 1245 | return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); |
20510f2f JM |
1246 | } |
1247 | ||
aefad959 | 1248 | int security_sem_alloc(struct kern_ipc_perm *sma) |
20510f2f | 1249 | { |
f25fce3e | 1250 | return call_int_hook(sem_alloc_security, 0, sma); |
20510f2f JM |
1251 | } |
1252 | ||
aefad959 | 1253 | void security_sem_free(struct kern_ipc_perm *sma) |
20510f2f | 1254 | { |
f25fce3e | 1255 | call_void_hook(sem_free_security, sma); |
20510f2f JM |
1256 | } |
1257 | ||
aefad959 | 1258 | int security_sem_associate(struct kern_ipc_perm *sma, int semflg) |
20510f2f | 1259 | { |
f25fce3e | 1260 | return call_int_hook(sem_associate, 0, sma, semflg); |
20510f2f JM |
1261 | } |
1262 | ||
aefad959 | 1263 | int security_sem_semctl(struct kern_ipc_perm *sma, int cmd) |
20510f2f | 1264 | { |
f25fce3e | 1265 | return call_int_hook(sem_semctl, 0, sma, cmd); |
20510f2f JM |
1266 | } |
1267 | ||
aefad959 | 1268 | int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops, |
20510f2f JM |
1269 | unsigned nsops, int alter) |
1270 | { | |
f25fce3e | 1271 | return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); |
20510f2f JM |
1272 | } |
1273 | ||
1274 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1275 | { | |
1276 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1277 | return; | |
f25fce3e | 1278 | call_void_hook(d_instantiate, dentry, inode); |
20510f2f JM |
1279 | } |
1280 | EXPORT_SYMBOL(security_d_instantiate); | |
1281 | ||
1282 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1283 | { | |
b1d9e6b0 | 1284 | return call_int_hook(getprocattr, -EINVAL, p, name, value); |
20510f2f JM |
1285 | } |
1286 | ||
b21507e2 | 1287 | int security_setprocattr(const char *name, void *value, size_t size) |
20510f2f | 1288 | { |
b21507e2 | 1289 | return call_int_hook(setprocattr, -EINVAL, name, value, size); |
20510f2f JM |
1290 | } |
1291 | ||
1292 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1293 | { | |
f25fce3e | 1294 | return call_int_hook(netlink_send, 0, sk, skb); |
20510f2f | 1295 | } |
20510f2f | 1296 | |
746df9b5 DQ |
1297 | int security_ismaclabel(const char *name) |
1298 | { | |
f25fce3e | 1299 | return call_int_hook(ismaclabel, 0, name); |
746df9b5 DQ |
1300 | } |
1301 | EXPORT_SYMBOL(security_ismaclabel); | |
1302 | ||
20510f2f JM |
1303 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1304 | { | |
b1d9e6b0 CS |
1305 | return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, |
1306 | seclen); | |
20510f2f JM |
1307 | } |
1308 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1309 | ||
7bf570dc | 1310 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 | 1311 | { |
b1d9e6b0 | 1312 | *secid = 0; |
f25fce3e | 1313 | return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); |
63cb3449 DH |
1314 | } |
1315 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1316 | ||
20510f2f JM |
1317 | void security_release_secctx(char *secdata, u32 seclen) |
1318 | { | |
f25fce3e | 1319 | call_void_hook(release_secctx, secdata, seclen); |
20510f2f JM |
1320 | } |
1321 | EXPORT_SYMBOL(security_release_secctx); | |
1322 | ||
6f3be9f5 AG |
1323 | void security_inode_invalidate_secctx(struct inode *inode) |
1324 | { | |
1325 | call_void_hook(inode_invalidate_secctx, inode); | |
1326 | } | |
1327 | EXPORT_SYMBOL(security_inode_invalidate_secctx); | |
1328 | ||
1ee65e37 DQ |
1329 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1330 | { | |
f25fce3e | 1331 | return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); |
1ee65e37 DQ |
1332 | } |
1333 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1334 | ||
1335 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1336 | { | |
f25fce3e | 1337 | return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); |
1ee65e37 DQ |
1338 | } |
1339 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1340 | ||
1341 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1342 | { | |
b1d9e6b0 | 1343 | return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); |
1ee65e37 DQ |
1344 | } |
1345 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1346 | ||
20510f2f JM |
1347 | #ifdef CONFIG_SECURITY_NETWORK |
1348 | ||
3610cda5 | 1349 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f | 1350 | { |
f25fce3e | 1351 | return call_int_hook(unix_stream_connect, 0, sock, other, newsk); |
20510f2f JM |
1352 | } |
1353 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1354 | ||
1355 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1356 | { | |
f25fce3e | 1357 | return call_int_hook(unix_may_send, 0, sock, other); |
20510f2f JM |
1358 | } |
1359 | EXPORT_SYMBOL(security_unix_may_send); | |
1360 | ||
1361 | int security_socket_create(int family, int type, int protocol, int kern) | |
1362 | { | |
f25fce3e | 1363 | return call_int_hook(socket_create, 0, family, type, protocol, kern); |
20510f2f JM |
1364 | } |
1365 | ||
1366 | int security_socket_post_create(struct socket *sock, int family, | |
1367 | int type, int protocol, int kern) | |
1368 | { | |
f25fce3e | 1369 | return call_int_hook(socket_post_create, 0, sock, family, type, |
20510f2f JM |
1370 | protocol, kern); |
1371 | } | |
1372 | ||
aae7cfcb DH |
1373 | int security_socket_socketpair(struct socket *socka, struct socket *sockb) |
1374 | { | |
1375 | return call_int_hook(socket_socketpair, 0, socka, sockb); | |
1376 | } | |
1377 | EXPORT_SYMBOL(security_socket_socketpair); | |
1378 | ||
20510f2f JM |
1379 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) |
1380 | { | |
f25fce3e | 1381 | return call_int_hook(socket_bind, 0, sock, address, addrlen); |
20510f2f JM |
1382 | } |
1383 | ||
1384 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1385 | { | |
f25fce3e | 1386 | return call_int_hook(socket_connect, 0, sock, address, addrlen); |
20510f2f JM |
1387 | } |
1388 | ||
1389 | int security_socket_listen(struct socket *sock, int backlog) | |
1390 | { | |
f25fce3e | 1391 | return call_int_hook(socket_listen, 0, sock, backlog); |
20510f2f JM |
1392 | } |
1393 | ||
1394 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1395 | { | |
f25fce3e | 1396 | return call_int_hook(socket_accept, 0, sock, newsock); |
20510f2f JM |
1397 | } |
1398 | ||
20510f2f JM |
1399 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1400 | { | |
f25fce3e | 1401 | return call_int_hook(socket_sendmsg, 0, sock, msg, size); |
20510f2f JM |
1402 | } |
1403 | ||
1404 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1405 | int size, int flags) | |
1406 | { | |
f25fce3e | 1407 | return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); |
20510f2f JM |
1408 | } |
1409 | ||
1410 | int security_socket_getsockname(struct socket *sock) | |
1411 | { | |
f25fce3e | 1412 | return call_int_hook(socket_getsockname, 0, sock); |
20510f2f JM |
1413 | } |
1414 | ||
1415 | int security_socket_getpeername(struct socket *sock) | |
1416 | { | |
f25fce3e | 1417 | return call_int_hook(socket_getpeername, 0, sock); |
20510f2f JM |
1418 | } |
1419 | ||
1420 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1421 | { | |
f25fce3e | 1422 | return call_int_hook(socket_getsockopt, 0, sock, level, optname); |
20510f2f JM |
1423 | } |
1424 | ||
1425 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1426 | { | |
f25fce3e | 1427 | return call_int_hook(socket_setsockopt, 0, sock, level, optname); |
20510f2f JM |
1428 | } |
1429 | ||
1430 | int security_socket_shutdown(struct socket *sock, int how) | |
1431 | { | |
f25fce3e | 1432 | return call_int_hook(socket_shutdown, 0, sock, how); |
20510f2f JM |
1433 | } |
1434 | ||
1435 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1436 | { | |
f25fce3e | 1437 | return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); |
20510f2f JM |
1438 | } |
1439 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1440 | ||
1441 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1442 | int __user *optlen, unsigned len) | |
1443 | { | |
b1d9e6b0 CS |
1444 | return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, |
1445 | optval, optlen, len); | |
20510f2f JM |
1446 | } |
1447 | ||
1448 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1449 | { | |
e308fd3b JB |
1450 | return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, |
1451 | skb, secid); | |
20510f2f JM |
1452 | } |
1453 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1454 | ||
1455 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1456 | { | |
f25fce3e | 1457 | return call_int_hook(sk_alloc_security, 0, sk, family, priority); |
20510f2f JM |
1458 | } |
1459 | ||
1460 | void security_sk_free(struct sock *sk) | |
1461 | { | |
f25fce3e | 1462 | call_void_hook(sk_free_security, sk); |
20510f2f JM |
1463 | } |
1464 | ||
1465 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1466 | { | |
f25fce3e | 1467 | call_void_hook(sk_clone_security, sk, newsk); |
20510f2f | 1468 | } |
6230c9b4 | 1469 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1470 | |
1471 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1472 | { | |
f25fce3e | 1473 | call_void_hook(sk_getsecid, sk, &fl->flowi_secid); |
20510f2f JM |
1474 | } |
1475 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1476 | ||
1477 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1478 | { | |
f25fce3e | 1479 | call_void_hook(req_classify_flow, req, fl); |
20510f2f JM |
1480 | } |
1481 | EXPORT_SYMBOL(security_req_classify_flow); | |
1482 | ||
1483 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1484 | { | |
f25fce3e | 1485 | call_void_hook(sock_graft, sk, parent); |
20510f2f JM |
1486 | } |
1487 | EXPORT_SYMBOL(security_sock_graft); | |
1488 | ||
1489 | int security_inet_conn_request(struct sock *sk, | |
1490 | struct sk_buff *skb, struct request_sock *req) | |
1491 | { | |
f25fce3e | 1492 | return call_int_hook(inet_conn_request, 0, sk, skb, req); |
20510f2f JM |
1493 | } |
1494 | EXPORT_SYMBOL(security_inet_conn_request); | |
1495 | ||
1496 | void security_inet_csk_clone(struct sock *newsk, | |
1497 | const struct request_sock *req) | |
1498 | { | |
f25fce3e | 1499 | call_void_hook(inet_csk_clone, newsk, req); |
20510f2f JM |
1500 | } |
1501 | ||
1502 | void security_inet_conn_established(struct sock *sk, | |
1503 | struct sk_buff *skb) | |
1504 | { | |
f25fce3e | 1505 | call_void_hook(inet_conn_established, sk, skb); |
20510f2f | 1506 | } |
72e89f50 | 1507 | EXPORT_SYMBOL(security_inet_conn_established); |
20510f2f | 1508 | |
2606fd1f EP |
1509 | int security_secmark_relabel_packet(u32 secid) |
1510 | { | |
f25fce3e | 1511 | return call_int_hook(secmark_relabel_packet, 0, secid); |
2606fd1f EP |
1512 | } |
1513 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1514 | ||
1515 | void security_secmark_refcount_inc(void) | |
1516 | { | |
f25fce3e | 1517 | call_void_hook(secmark_refcount_inc); |
2606fd1f EP |
1518 | } |
1519 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1520 | ||
1521 | void security_secmark_refcount_dec(void) | |
1522 | { | |
f25fce3e | 1523 | call_void_hook(secmark_refcount_dec); |
2606fd1f EP |
1524 | } |
1525 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1526 | ||
5dbbaf2d PM |
1527 | int security_tun_dev_alloc_security(void **security) |
1528 | { | |
f25fce3e | 1529 | return call_int_hook(tun_dev_alloc_security, 0, security); |
5dbbaf2d PM |
1530 | } |
1531 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1532 | ||
1533 | void security_tun_dev_free_security(void *security) | |
1534 | { | |
f25fce3e | 1535 | call_void_hook(tun_dev_free_security, security); |
5dbbaf2d PM |
1536 | } |
1537 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1538 | ||
2b980dbd PM |
1539 | int security_tun_dev_create(void) |
1540 | { | |
f25fce3e | 1541 | return call_int_hook(tun_dev_create, 0); |
2b980dbd PM |
1542 | } |
1543 | EXPORT_SYMBOL(security_tun_dev_create); | |
1544 | ||
5dbbaf2d | 1545 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1546 | { |
f25fce3e | 1547 | return call_int_hook(tun_dev_attach_queue, 0, security); |
2b980dbd | 1548 | } |
5dbbaf2d | 1549 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1550 | |
5dbbaf2d | 1551 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1552 | { |
f25fce3e | 1553 | return call_int_hook(tun_dev_attach, 0, sk, security); |
2b980dbd PM |
1554 | } |
1555 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1556 | ||
5dbbaf2d PM |
1557 | int security_tun_dev_open(void *security) |
1558 | { | |
f25fce3e | 1559 | return call_int_hook(tun_dev_open, 0, security); |
5dbbaf2d PM |
1560 | } |
1561 | EXPORT_SYMBOL(security_tun_dev_open); | |
1562 | ||
72e89f50 RH |
1563 | int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb) |
1564 | { | |
1565 | return call_int_hook(sctp_assoc_request, 0, ep, skb); | |
1566 | } | |
1567 | EXPORT_SYMBOL(security_sctp_assoc_request); | |
1568 | ||
1569 | int security_sctp_bind_connect(struct sock *sk, int optname, | |
1570 | struct sockaddr *address, int addrlen) | |
1571 | { | |
1572 | return call_int_hook(sctp_bind_connect, 0, sk, optname, | |
1573 | address, addrlen); | |
1574 | } | |
1575 | EXPORT_SYMBOL(security_sctp_bind_connect); | |
1576 | ||
1577 | void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk, | |
1578 | struct sock *newsk) | |
1579 | { | |
1580 | call_void_hook(sctp_sk_clone, ep, sk, newsk); | |
1581 | } | |
1582 | EXPORT_SYMBOL(security_sctp_sk_clone); | |
1583 | ||
20510f2f JM |
1584 | #endif /* CONFIG_SECURITY_NETWORK */ |
1585 | ||
d291f1a6 DJ |
1586 | #ifdef CONFIG_SECURITY_INFINIBAND |
1587 | ||
1588 | int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey) | |
1589 | { | |
1590 | return call_int_hook(ib_pkey_access, 0, sec, subnet_prefix, pkey); | |
1591 | } | |
1592 | EXPORT_SYMBOL(security_ib_pkey_access); | |
1593 | ||
47a2b338 DJ |
1594 | int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num) |
1595 | { | |
1596 | return call_int_hook(ib_endport_manage_subnet, 0, sec, dev_name, port_num); | |
1597 | } | |
1598 | EXPORT_SYMBOL(security_ib_endport_manage_subnet); | |
1599 | ||
d291f1a6 DJ |
1600 | int security_ib_alloc_security(void **sec) |
1601 | { | |
1602 | return call_int_hook(ib_alloc_security, 0, sec); | |
1603 | } | |
1604 | EXPORT_SYMBOL(security_ib_alloc_security); | |
1605 | ||
1606 | void security_ib_free_security(void *sec) | |
1607 | { | |
1608 | call_void_hook(ib_free_security, sec); | |
1609 | } | |
1610 | EXPORT_SYMBOL(security_ib_free_security); | |
1611 | #endif /* CONFIG_SECURITY_INFINIBAND */ | |
1612 | ||
20510f2f JM |
1613 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1614 | ||
52a4c640 NA |
1615 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1616 | struct xfrm_user_sec_ctx *sec_ctx, | |
1617 | gfp_t gfp) | |
20510f2f | 1618 | { |
f25fce3e | 1619 | return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); |
20510f2f JM |
1620 | } |
1621 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1622 | ||
03e1ad7b PM |
1623 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1624 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1625 | { |
f25fce3e | 1626 | return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); |
20510f2f JM |
1627 | } |
1628 | ||
03e1ad7b | 1629 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1630 | { |
f25fce3e | 1631 | call_void_hook(xfrm_policy_free_security, ctx); |
20510f2f JM |
1632 | } |
1633 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1634 | ||
03e1ad7b | 1635 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1636 | { |
f25fce3e | 1637 | return call_int_hook(xfrm_policy_delete_security, 0, ctx); |
20510f2f JM |
1638 | } |
1639 | ||
2e5aa866 PM |
1640 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1641 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1642 | { |
f25fce3e | 1643 | return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); |
20510f2f JM |
1644 | } |
1645 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1646 | ||
1647 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1648 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1649 | { | |
f25fce3e | 1650 | return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); |
20510f2f JM |
1651 | } |
1652 | ||
1653 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1654 | { | |
f25fce3e | 1655 | return call_int_hook(xfrm_state_delete_security, 0, x); |
20510f2f JM |
1656 | } |
1657 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1658 | ||
1659 | void security_xfrm_state_free(struct xfrm_state *x) | |
1660 | { | |
f25fce3e | 1661 | call_void_hook(xfrm_state_free_security, x); |
20510f2f JM |
1662 | } |
1663 | ||
03e1ad7b | 1664 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1665 | { |
f25fce3e | 1666 | return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); |
20510f2f JM |
1667 | } |
1668 | ||
1669 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1670 | struct xfrm_policy *xp, |
1671 | const struct flowi *fl) | |
20510f2f | 1672 | { |
b1d9e6b0 CS |
1673 | struct security_hook_list *hp; |
1674 | int rc = 1; | |
1675 | ||
1676 | /* | |
1677 | * Since this function is expected to return 0 or 1, the judgment | |
1678 | * becomes difficult if multiple LSMs supply this call. Fortunately, | |
1679 | * we can use the first LSM's judgment because currently only SELinux | |
1680 | * supplies this call. | |
1681 | * | |
1682 | * For speed optimization, we explicitly break the loop rather than | |
1683 | * using the macro | |
1684 | */ | |
df0ce173 | 1685 | hlist_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, |
b1d9e6b0 CS |
1686 | list) { |
1687 | rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); | |
1688 | break; | |
1689 | } | |
1690 | return rc; | |
20510f2f JM |
1691 | } |
1692 | ||
1693 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1694 | { | |
f25fce3e | 1695 | return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); |
20510f2f JM |
1696 | } |
1697 | ||
1698 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1699 | { | |
f25fce3e CS |
1700 | int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, |
1701 | 0); | |
20510f2f JM |
1702 | |
1703 | BUG_ON(rc); | |
1704 | } | |
1705 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1706 | ||
1707 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1708 | ||
1709 | #ifdef CONFIG_KEYS | |
1710 | ||
d84f4f99 DH |
1711 | int security_key_alloc(struct key *key, const struct cred *cred, |
1712 | unsigned long flags) | |
20510f2f | 1713 | { |
f25fce3e | 1714 | return call_int_hook(key_alloc, 0, key, cred, flags); |
20510f2f JM |
1715 | } |
1716 | ||
1717 | void security_key_free(struct key *key) | |
1718 | { | |
f25fce3e | 1719 | call_void_hook(key_free, key); |
20510f2f JM |
1720 | } |
1721 | ||
1722 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1723 | const struct cred *cred, unsigned perm) |
20510f2f | 1724 | { |
f25fce3e | 1725 | return call_int_hook(key_permission, 0, key_ref, cred, perm); |
20510f2f JM |
1726 | } |
1727 | ||
70a5bb72 DH |
1728 | int security_key_getsecurity(struct key *key, char **_buffer) |
1729 | { | |
b1d9e6b0 | 1730 | *_buffer = NULL; |
f25fce3e | 1731 | return call_int_hook(key_getsecurity, 0, key, _buffer); |
70a5bb72 DH |
1732 | } |
1733 | ||
20510f2f | 1734 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1735 | |
1736 | #ifdef CONFIG_AUDIT | |
1737 | ||
1738 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1739 | { | |
f25fce3e | 1740 | return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); |
03d37d25 AD |
1741 | } |
1742 | ||
1743 | int security_audit_rule_known(struct audit_krule *krule) | |
1744 | { | |
f25fce3e | 1745 | return call_int_hook(audit_rule_known, 0, krule); |
03d37d25 AD |
1746 | } |
1747 | ||
1748 | void security_audit_rule_free(void *lsmrule) | |
1749 | { | |
f25fce3e | 1750 | call_void_hook(audit_rule_free, lsmrule); |
03d37d25 AD |
1751 | } |
1752 | ||
1753 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1754 | struct audit_context *actx) | |
1755 | { | |
f25fce3e CS |
1756 | return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, |
1757 | actx); | |
03d37d25 | 1758 | } |
b1d9e6b0 | 1759 | #endif /* CONFIG_AUDIT */ |
afdb09c7 CF |
1760 | |
1761 | #ifdef CONFIG_BPF_SYSCALL | |
1762 | int security_bpf(int cmd, union bpf_attr *attr, unsigned int size) | |
1763 | { | |
1764 | return call_int_hook(bpf, 0, cmd, attr, size); | |
1765 | } | |
1766 | int security_bpf_map(struct bpf_map *map, fmode_t fmode) | |
1767 | { | |
1768 | return call_int_hook(bpf_map, 0, map, fmode); | |
1769 | } | |
1770 | int security_bpf_prog(struct bpf_prog *prog) | |
1771 | { | |
1772 | return call_int_hook(bpf_prog, 0, prog); | |
1773 | } | |
1774 | int security_bpf_map_alloc(struct bpf_map *map) | |
1775 | { | |
1776 | return call_int_hook(bpf_map_alloc_security, 0, map); | |
1777 | } | |
1778 | int security_bpf_prog_alloc(struct bpf_prog_aux *aux) | |
1779 | { | |
1780 | return call_int_hook(bpf_prog_alloc_security, 0, aux); | |
1781 | } | |
1782 | void security_bpf_map_free(struct bpf_map *map) | |
1783 | { | |
1784 | call_void_hook(bpf_map_free_security, map); | |
1785 | } | |
1786 | void security_bpf_prog_free(struct bpf_prog_aux *aux) | |
1787 | { | |
1788 | call_void_hook(bpf_prog_free_security, aux); | |
1789 | } | |
1790 | #endif /* CONFIG_BPF_SYSCALL */ |