]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Security plug functions | |
3 | * | |
4 | * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com> | |
5 | * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com> | |
6 | * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com> | |
d291f1a6 | 7 | * Copyright (C) 2016 Mellanox Technologies |
1da177e4 LT |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | */ | |
14 | ||
afdb09c7 | 15 | #include <linux/bpf.h> |
c59ede7b | 16 | #include <linux/capability.h> |
d47be3df | 17 | #include <linux/dcache.h> |
1da177e4 LT |
18 | #include <linux/module.h> |
19 | #include <linux/init.h> | |
20 | #include <linux/kernel.h> | |
3c4ed7bd | 21 | #include <linux/lsm_hooks.h> |
f381c272 | 22 | #include <linux/integrity.h> |
6c21a7fb | 23 | #include <linux/ima.h> |
3e1be52d | 24 | #include <linux/evm.h> |
40401530 | 25 | #include <linux/fsnotify.h> |
8b3ec681 AV |
26 | #include <linux/mman.h> |
27 | #include <linux/mount.h> | |
28 | #include <linux/personality.h> | |
75331a59 | 29 | #include <linux/backing-dev.h> |
3bb857e4 | 30 | #include <linux/string.h> |
40401530 | 31 | #include <net/flow.h> |
1da177e4 | 32 | |
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 | |
1da177e4 LT |
46 | static void __init do_security_initcalls(void) |
47 | { | |
48 | initcall_t *call; | |
49 | call = __security_initcall_start; | |
50 | while (call < __security_initcall_end) { | |
51 | (*call) (); | |
52 | call++; | |
53 | } | |
54 | } | |
55 | ||
56 | /** | |
57 | * security_init - initializes the security framework | |
58 | * | |
59 | * This should be called early in the kernel initialization sequence. | |
60 | */ | |
61 | int __init security_init(void) | |
62 | { | |
3dfc9b02 TH |
63 | int i; |
64 | struct list_head *list = (struct list_head *) &security_hook_heads; | |
65 | ||
66 | for (i = 0; i < sizeof(security_hook_heads) / sizeof(struct list_head); | |
67 | i++) | |
68 | INIT_LIST_HEAD(&list[i]); | |
b1d9e6b0 | 69 | pr_info("Security Framework initialized\n"); |
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 | */ |
1da177e4 LT |
81 | do_security_initcalls(); |
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); | |
115 | } else { | |
3bb857e4 MS |
116 | /* Check if it is the last registered name */ |
117 | if (match_last_lsm(*result, new)) | |
118 | return 0; | |
d69dece5 CS |
119 | cp = kasprintf(GFP_KERNEL, "%s,%s", *result, new); |
120 | if (cp == NULL) | |
121 | return -ENOMEM; | |
122 | kfree(*result); | |
123 | *result = cp; | |
124 | } | |
125 | return 0; | |
126 | } | |
127 | ||
076c54c5 AD |
128 | /** |
129 | * security_module_enable - Load given security module on boot ? | |
b1d9e6b0 | 130 | * @module: the name of the module |
076c54c5 AD |
131 | * |
132 | * Each LSM must pass this method before registering its own operations | |
133 | * to avoid security registration races. This method may also be used | |
7cea51be | 134 | * to check if your LSM is currently loaded during kernel initialization. |
076c54c5 | 135 | * |
0e056eb5 MCC |
136 | * Returns: |
137 | * | |
138 | * true if: | |
139 | * | |
140 | * - The passed LSM is the one chosen by user at boot time, | |
141 | * - or the passed LSM is configured as the default and the user did not | |
142 | * choose an alternate LSM at boot time. | |
143 | * | |
076c54c5 AD |
144 | * Otherwise, return false. |
145 | */ | |
b1d9e6b0 | 146 | int __init security_module_enable(const char *module) |
076c54c5 | 147 | { |
b1d9e6b0 | 148 | return !strcmp(module, chosen_lsm); |
076c54c5 AD |
149 | } |
150 | ||
d69dece5 CS |
151 | /** |
152 | * security_add_hooks - Add a modules hooks to the hook lists. | |
153 | * @hooks: the hooks to add | |
154 | * @count: the number of hooks to add | |
155 | * @lsm: the name of the security module | |
156 | * | |
157 | * Each LSM has to register its hooks with the infrastructure. | |
158 | */ | |
159 | void __init security_add_hooks(struct security_hook_list *hooks, int count, | |
160 | char *lsm) | |
161 | { | |
162 | int i; | |
163 | ||
164 | for (i = 0; i < count; i++) { | |
165 | hooks[i].lsm = lsm; | |
166 | list_add_tail_rcu(&hooks[i].list, hooks[i].head); | |
167 | } | |
168 | if (lsm_append(lsm, &lsm_names) < 0) | |
169 | panic("%s - Cannot get early memory.\n", __func__); | |
170 | } | |
171 | ||
8f408ab6 DJ |
172 | int call_lsm_notifier(enum lsm_event event, void *data) |
173 | { | |
174 | return atomic_notifier_call_chain(&lsm_notifier_chain, event, data); | |
175 | } | |
176 | EXPORT_SYMBOL(call_lsm_notifier); | |
177 | ||
178 | int register_lsm_notifier(struct notifier_block *nb) | |
179 | { | |
180 | return atomic_notifier_chain_register(&lsm_notifier_chain, nb); | |
181 | } | |
182 | EXPORT_SYMBOL(register_lsm_notifier); | |
183 | ||
184 | int unregister_lsm_notifier(struct notifier_block *nb) | |
185 | { | |
186 | return atomic_notifier_chain_unregister(&lsm_notifier_chain, nb); | |
187 | } | |
188 | EXPORT_SYMBOL(unregister_lsm_notifier); | |
189 | ||
f25fce3e | 190 | /* |
b1d9e6b0 | 191 | * Hook list operation macros. |
1da177e4 | 192 | * |
f25fce3e CS |
193 | * call_void_hook: |
194 | * This is a hook that does not return a value. | |
1da177e4 | 195 | * |
f25fce3e CS |
196 | * call_int_hook: |
197 | * This is a hook that returns a value. | |
1da177e4 | 198 | */ |
1da177e4 | 199 | |
b1d9e6b0 CS |
200 | #define call_void_hook(FUNC, ...) \ |
201 | do { \ | |
202 | struct security_hook_list *P; \ | |
203 | \ | |
204 | list_for_each_entry(P, &security_hook_heads.FUNC, list) \ | |
205 | P->hook.FUNC(__VA_ARGS__); \ | |
206 | } while (0) | |
207 | ||
208 | #define call_int_hook(FUNC, IRC, ...) ({ \ | |
209 | int RC = IRC; \ | |
210 | do { \ | |
211 | struct security_hook_list *P; \ | |
212 | \ | |
213 | list_for_each_entry(P, &security_hook_heads.FUNC, list) { \ | |
214 | RC = P->hook.FUNC(__VA_ARGS__); \ | |
215 | if (RC != 0) \ | |
216 | break; \ | |
217 | } \ | |
218 | } while (0); \ | |
219 | RC; \ | |
220 | }) | |
1da177e4 | 221 | |
20510f2f JM |
222 | /* Security operations */ |
223 | ||
79af7307 SS |
224 | int security_binder_set_context_mgr(struct task_struct *mgr) |
225 | { | |
f25fce3e | 226 | return call_int_hook(binder_set_context_mgr, 0, mgr); |
79af7307 SS |
227 | } |
228 | ||
229 | int security_binder_transaction(struct task_struct *from, | |
230 | struct task_struct *to) | |
231 | { | |
f25fce3e | 232 | return call_int_hook(binder_transaction, 0, from, to); |
79af7307 SS |
233 | } |
234 | ||
235 | int security_binder_transfer_binder(struct task_struct *from, | |
236 | struct task_struct *to) | |
237 | { | |
f25fce3e | 238 | return call_int_hook(binder_transfer_binder, 0, from, to); |
79af7307 SS |
239 | } |
240 | ||
241 | int security_binder_transfer_file(struct task_struct *from, | |
242 | struct task_struct *to, struct file *file) | |
243 | { | |
f25fce3e | 244 | return call_int_hook(binder_transfer_file, 0, from, to, file); |
79af7307 SS |
245 | } |
246 | ||
9e48858f | 247 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 248 | { |
f25fce3e | 249 | return call_int_hook(ptrace_access_check, 0, child, mode); |
5cd9c58f DH |
250 | } |
251 | ||
252 | int security_ptrace_traceme(struct task_struct *parent) | |
253 | { | |
f25fce3e | 254 | return call_int_hook(ptrace_traceme, 0, parent); |
20510f2f JM |
255 | } |
256 | ||
257 | int security_capget(struct task_struct *target, | |
258 | kernel_cap_t *effective, | |
259 | kernel_cap_t *inheritable, | |
260 | kernel_cap_t *permitted) | |
261 | { | |
f25fce3e CS |
262 | return call_int_hook(capget, 0, target, |
263 | effective, inheritable, permitted); | |
20510f2f JM |
264 | } |
265 | ||
d84f4f99 DH |
266 | int security_capset(struct cred *new, const struct cred *old, |
267 | const kernel_cap_t *effective, | |
268 | const kernel_cap_t *inheritable, | |
269 | const kernel_cap_t *permitted) | |
20510f2f | 270 | { |
f25fce3e CS |
271 | return call_int_hook(capset, 0, new, old, |
272 | effective, inheritable, permitted); | |
20510f2f JM |
273 | } |
274 | ||
b7e724d3 | 275 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 276 | int cap) |
20510f2f | 277 | { |
f25fce3e | 278 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
279 | } |
280 | ||
c7eba4a9 EP |
281 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
282 | int cap) | |
06112163 | 283 | { |
f25fce3e | 284 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
285 | } |
286 | ||
20510f2f JM |
287 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
288 | { | |
f25fce3e | 289 | return call_int_hook(quotactl, 0, cmds, type, id, sb); |
20510f2f JM |
290 | } |
291 | ||
292 | int security_quota_on(struct dentry *dentry) | |
293 | { | |
f25fce3e | 294 | return call_int_hook(quota_on, 0, dentry); |
20510f2f JM |
295 | } |
296 | ||
12b3052c | 297 | int security_syslog(int type) |
20510f2f | 298 | { |
f25fce3e | 299 | return call_int_hook(syslog, 0, type); |
20510f2f JM |
300 | } |
301 | ||
457db29b | 302 | int security_settime64(const struct timespec64 *ts, const struct timezone *tz) |
20510f2f | 303 | { |
f25fce3e | 304 | return call_int_hook(settime, 0, ts, tz); |
20510f2f JM |
305 | } |
306 | ||
20510f2f JM |
307 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
308 | { | |
b1d9e6b0 CS |
309 | struct security_hook_list *hp; |
310 | int cap_sys_admin = 1; | |
311 | int rc; | |
312 | ||
313 | /* | |
314 | * The module will respond with a positive value if | |
315 | * it thinks the __vm_enough_memory() call should be | |
316 | * made with the cap_sys_admin set. If all of the modules | |
317 | * agree that it should be set it will. If any module | |
318 | * thinks it should not be set it won't. | |
319 | */ | |
320 | list_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) { | |
321 | rc = hp->hook.vm_enough_memory(mm, pages); | |
322 | if (rc <= 0) { | |
323 | cap_sys_admin = 0; | |
324 | break; | |
325 | } | |
326 | } | |
327 | return __vm_enough_memory(mm, pages, cap_sys_admin); | |
20510f2f JM |
328 | } |
329 | ||
a6f76f23 | 330 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 331 | { |
f25fce3e | 332 | return call_int_hook(bprm_set_creds, 0, bprm); |
20510f2f JM |
333 | } |
334 | ||
a6f76f23 | 335 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 336 | { |
6c21a7fb MZ |
337 | int ret; |
338 | ||
f25fce3e | 339 | ret = call_int_hook(bprm_check_security, 0, bprm); |
6c21a7fb MZ |
340 | if (ret) |
341 | return ret; | |
342 | return ima_bprm_check(bprm); | |
20510f2f JM |
343 | } |
344 | ||
a6f76f23 | 345 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 346 | { |
f25fce3e | 347 | call_void_hook(bprm_committing_creds, bprm); |
20510f2f JM |
348 | } |
349 | ||
a6f76f23 | 350 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 351 | { |
f25fce3e | 352 | call_void_hook(bprm_committed_creds, bprm); |
20510f2f JM |
353 | } |
354 | ||
20510f2f JM |
355 | int security_sb_alloc(struct super_block *sb) |
356 | { | |
f25fce3e | 357 | return call_int_hook(sb_alloc_security, 0, sb); |
20510f2f JM |
358 | } |
359 | ||
360 | void security_sb_free(struct super_block *sb) | |
361 | { | |
f25fce3e | 362 | call_void_hook(sb_free_security, sb); |
20510f2f JM |
363 | } |
364 | ||
e0007529 | 365 | int security_sb_copy_data(char *orig, char *copy) |
20510f2f | 366 | { |
f25fce3e | 367 | return call_int_hook(sb_copy_data, 0, orig, copy); |
20510f2f | 368 | } |
e0007529 | 369 | EXPORT_SYMBOL(security_sb_copy_data); |
20510f2f | 370 | |
ff36fe2c EP |
371 | int security_sb_remount(struct super_block *sb, void *data) |
372 | { | |
f25fce3e | 373 | return call_int_hook(sb_remount, 0, sb, data); |
ff36fe2c EP |
374 | } |
375 | ||
12204e24 | 376 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
20510f2f | 377 | { |
f25fce3e | 378 | return call_int_hook(sb_kern_mount, 0, sb, flags, data); |
20510f2f JM |
379 | } |
380 | ||
2069f457 EP |
381 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
382 | { | |
f25fce3e | 383 | return call_int_hook(sb_show_options, 0, m, sb); |
2069f457 EP |
384 | } |
385 | ||
20510f2f JM |
386 | int security_sb_statfs(struct dentry *dentry) |
387 | { | |
f25fce3e | 388 | return call_int_hook(sb_statfs, 0, dentry); |
20510f2f JM |
389 | } |
390 | ||
8a04c43b | 391 | int security_sb_mount(const char *dev_name, const struct path *path, |
808d4e3c | 392 | const char *type, unsigned long flags, void *data) |
20510f2f | 393 | { |
f25fce3e | 394 | return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data); |
20510f2f JM |
395 | } |
396 | ||
20510f2f JM |
397 | int security_sb_umount(struct vfsmount *mnt, int flags) |
398 | { | |
f25fce3e | 399 | return call_int_hook(sb_umount, 0, mnt, flags); |
20510f2f JM |
400 | } |
401 | ||
3b73b68c | 402 | int security_sb_pivotroot(const struct path *old_path, const struct path *new_path) |
20510f2f | 403 | { |
f25fce3e | 404 | return call_int_hook(sb_pivotroot, 0, old_path, new_path); |
20510f2f JM |
405 | } |
406 | ||
c9180a57 | 407 | int security_sb_set_mnt_opts(struct super_block *sb, |
649f6e77 DQ |
408 | struct security_mnt_opts *opts, |
409 | unsigned long kern_flags, | |
410 | unsigned long *set_kern_flags) | |
c9180a57 | 411 | { |
b1d9e6b0 CS |
412 | return call_int_hook(sb_set_mnt_opts, |
413 | opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb, | |
414 | opts, kern_flags, set_kern_flags); | |
c9180a57 | 415 | } |
e0007529 | 416 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 417 | |
094f7b69 | 418 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
0b4d3452 SM |
419 | struct super_block *newsb, |
420 | unsigned long kern_flags, | |
421 | unsigned long *set_kern_flags) | |
c9180a57 | 422 | { |
0b4d3452 SM |
423 | return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb, |
424 | kern_flags, set_kern_flags); | |
c9180a57 | 425 | } |
e0007529 EP |
426 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
427 | ||
428 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
429 | { | |
f25fce3e | 430 | return call_int_hook(sb_parse_opts_str, 0, options, opts); |
e0007529 EP |
431 | } |
432 | EXPORT_SYMBOL(security_sb_parse_opts_str); | |
c9180a57 | 433 | |
20510f2f JM |
434 | int security_inode_alloc(struct inode *inode) |
435 | { | |
436 | inode->i_security = NULL; | |
f25fce3e | 437 | return call_int_hook(inode_alloc_security, 0, inode); |
20510f2f JM |
438 | } |
439 | ||
440 | void security_inode_free(struct inode *inode) | |
441 | { | |
f381c272 | 442 | integrity_inode_free(inode); |
f25fce3e | 443 | call_void_hook(inode_free_security, inode); |
20510f2f JM |
444 | } |
445 | ||
d47be3df | 446 | int security_dentry_init_security(struct dentry *dentry, int mode, |
4f3ccd76 | 447 | const struct qstr *name, void **ctx, |
d47be3df DQ |
448 | u32 *ctxlen) |
449 | { | |
b1d9e6b0 CS |
450 | return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode, |
451 | name, ctx, ctxlen); | |
d47be3df DQ |
452 | } |
453 | EXPORT_SYMBOL(security_dentry_init_security); | |
454 | ||
2602625b VG |
455 | int security_dentry_create_files_as(struct dentry *dentry, int mode, |
456 | struct qstr *name, | |
457 | const struct cred *old, struct cred *new) | |
458 | { | |
459 | return call_int_hook(dentry_create_files_as, 0, dentry, mode, | |
460 | name, old, new); | |
461 | } | |
462 | EXPORT_SYMBOL(security_dentry_create_files_as); | |
463 | ||
20510f2f | 464 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
465 | const struct qstr *qstr, |
466 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 467 | { |
823eb1cc MZ |
468 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
469 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
470 | int ret; |
471 | ||
20510f2f | 472 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 473 | return 0; |
9d8f13ba | 474 | |
9d8f13ba | 475 | if (!initxattrs) |
e308fd3b JB |
476 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, |
477 | dir, qstr, NULL, NULL, NULL); | |
9548906b | 478 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
9d8f13ba | 479 | lsm_xattr = new_xattrs; |
b1d9e6b0 | 480 | ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, |
9d8f13ba MZ |
481 | &lsm_xattr->name, |
482 | &lsm_xattr->value, | |
483 | &lsm_xattr->value_len); | |
484 | if (ret) | |
485 | goto out; | |
823eb1cc MZ |
486 | |
487 | evm_xattr = lsm_xattr + 1; | |
488 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
489 | if (ret) | |
490 | goto out; | |
9d8f13ba MZ |
491 | ret = initxattrs(inode, new_xattrs, fs_data); |
492 | out: | |
9548906b | 493 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
823eb1cc | 494 | kfree(xattr->value); |
9d8f13ba MZ |
495 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
496 | } | |
497 | EXPORT_SYMBOL(security_inode_init_security); | |
498 | ||
499 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 500 | const struct qstr *qstr, const char **name, |
9d8f13ba | 501 | void **value, size_t *len) |
20510f2f JM |
502 | { |
503 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 504 | return -EOPNOTSUPP; |
e308fd3b JB |
505 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, |
506 | qstr, name, value, len); | |
20510f2f | 507 | } |
9d8f13ba | 508 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 509 | |
be6d3e56 | 510 | #ifdef CONFIG_SECURITY_PATH |
d3607752 | 511 | int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
512 | unsigned int dev) |
513 | { | |
c6f493d6 | 514 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 515 | return 0; |
f25fce3e | 516 | return call_int_hook(path_mknod, 0, dir, dentry, mode, dev); |
be6d3e56 KT |
517 | } |
518 | EXPORT_SYMBOL(security_path_mknod); | |
519 | ||
d3607752 | 520 | int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 521 | { |
c6f493d6 | 522 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 523 | return 0; |
f25fce3e | 524 | return call_int_hook(path_mkdir, 0, dir, dentry, mode); |
be6d3e56 | 525 | } |
82140443 | 526 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 527 | |
989f74e0 | 528 | int security_path_rmdir(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 529 | { |
c6f493d6 | 530 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 531 | return 0; |
f25fce3e | 532 | return call_int_hook(path_rmdir, 0, dir, dentry); |
be6d3e56 | 533 | } |
0006ebb4 | 534 | EXPORT_SYMBOL_GPL(security_path_rmdir); |
be6d3e56 | 535 | |
989f74e0 | 536 | int security_path_unlink(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 537 | { |
c6f493d6 | 538 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 539 | return 0; |
f25fce3e | 540 | return call_int_hook(path_unlink, 0, dir, dentry); |
be6d3e56 | 541 | } |
82140443 | 542 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 543 | |
d3607752 | 544 | int security_path_symlink(const struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
545 | const char *old_name) |
546 | { | |
c6f493d6 | 547 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 548 | return 0; |
f25fce3e | 549 | return call_int_hook(path_symlink, 0, dir, dentry, old_name); |
be6d3e56 | 550 | } |
0006ebb4 | 551 | EXPORT_SYMBOL_GPL(security_path_symlink); |
be6d3e56 | 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 | 559 | } |
0006ebb4 | 560 | EXPORT_SYMBOL_GPL(security_path_link); |
be6d3e56 | 561 | |
3ccee46a AV |
562 | int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, |
563 | const struct path *new_dir, struct dentry *new_dentry, | |
0b3974eb | 564 | unsigned int flags) |
be6d3e56 | 565 | { |
c6f493d6 DH |
566 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
567 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
be6d3e56 | 568 | return 0; |
da1ce067 MS |
569 | |
570 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e CS |
571 | int err = call_int_hook(path_rename, 0, new_dir, new_dentry, |
572 | old_dir, old_dentry); | |
da1ce067 MS |
573 | if (err) |
574 | return err; | |
575 | } | |
576 | ||
f25fce3e CS |
577 | return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, |
578 | new_dentry); | |
be6d3e56 | 579 | } |
82140443 | 580 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 581 | |
81f4c506 | 582 | int security_path_truncate(const struct path *path) |
be6d3e56 | 583 | { |
c6f493d6 | 584 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
be6d3e56 | 585 | return 0; |
f25fce3e | 586 | return call_int_hook(path_truncate, 0, path); |
be6d3e56 | 587 | } |
0006ebb4 | 588 | EXPORT_SYMBOL_GPL(security_path_truncate); |
89eda068 | 589 | |
be01f9f2 | 590 | int security_path_chmod(const struct path *path, umode_t mode) |
89eda068 | 591 | { |
c6f493d6 | 592 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 593 | return 0; |
f25fce3e | 594 | return call_int_hook(path_chmod, 0, path, mode); |
89eda068 | 595 | } |
0006ebb4 | 596 | EXPORT_SYMBOL_GPL(security_path_chmod); |
89eda068 | 597 | |
7fd25dac | 598 | int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
89eda068 | 599 | { |
c6f493d6 | 600 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 601 | return 0; |
f25fce3e | 602 | return call_int_hook(path_chown, 0, path, uid, gid); |
89eda068 | 603 | } |
0006ebb4 | 604 | EXPORT_SYMBOL_GPL(security_path_chown); |
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 | 689 | } |
0006ebb4 | 690 | EXPORT_SYMBOL_GPL(security_inode_readlink); |
20510f2f | 691 | |
bda0be7a N |
692 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
693 | bool rcu) | |
20510f2f | 694 | { |
bda0be7a | 695 | if (unlikely(IS_PRIVATE(inode))) |
20510f2f | 696 | return 0; |
e22619a2 | 697 | return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); |
20510f2f JM |
698 | } |
699 | ||
b77b0646 | 700 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
701 | { |
702 | if (unlikely(IS_PRIVATE(inode))) | |
703 | return 0; | |
f25fce3e | 704 | return call_int_hook(inode_permission, 0, inode, mask); |
20510f2f | 705 | } |
0006ebb4 | 706 | EXPORT_SYMBOL_GPL(security_inode_permission); |
20510f2f JM |
707 | |
708 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
709 | { | |
817b54aa MZ |
710 | int ret; |
711 | ||
c6f493d6 | 712 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 713 | return 0; |
f25fce3e | 714 | ret = call_int_hook(inode_setattr, 0, dentry, attr); |
817b54aa MZ |
715 | if (ret) |
716 | return ret; | |
717 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 718 | } |
b1da47e2 | 719 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 720 | |
3f7036a0 | 721 | int security_inode_getattr(const struct path *path) |
20510f2f | 722 | { |
c6f493d6 | 723 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 724 | return 0; |
f25fce3e | 725 | return call_int_hook(inode_getattr, 0, path); |
20510f2f JM |
726 | } |
727 | ||
8f0cfa52 DH |
728 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
729 | const void *value, size_t size, int flags) | |
20510f2f | 730 | { |
3e1be52d MZ |
731 | int ret; |
732 | ||
c6f493d6 | 733 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 734 | return 0; |
b1d9e6b0 CS |
735 | /* |
736 | * SELinux and Smack integrate the cap call, | |
737 | * so assume that all LSMs supplying this call do so. | |
738 | */ | |
739 | ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, | |
f25fce3e | 740 | flags); |
b1d9e6b0 CS |
741 | |
742 | if (ret == 1) | |
743 | ret = cap_inode_setxattr(dentry, name, value, size, flags); | |
42c63330 MZ |
744 | if (ret) |
745 | return ret; | |
746 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
747 | if (ret) |
748 | return ret; | |
749 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
750 | } |
751 | ||
8f0cfa52 DH |
752 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
753 | const void *value, size_t size, int flags) | |
20510f2f | 754 | { |
c6f493d6 | 755 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 756 | return; |
f25fce3e | 757 | call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); |
3e1be52d | 758 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
759 | } |
760 | ||
8f0cfa52 | 761 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 762 | { |
c6f493d6 | 763 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 764 | return 0; |
f25fce3e | 765 | return call_int_hook(inode_getxattr, 0, dentry, name); |
20510f2f JM |
766 | } |
767 | ||
768 | int security_inode_listxattr(struct dentry *dentry) | |
769 | { | |
c6f493d6 | 770 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 771 | return 0; |
f25fce3e | 772 | return call_int_hook(inode_listxattr, 0, dentry); |
20510f2f JM |
773 | } |
774 | ||
8f0cfa52 | 775 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 776 | { |
3e1be52d MZ |
777 | int ret; |
778 | ||
c6f493d6 | 779 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 780 | return 0; |
b1d9e6b0 CS |
781 | /* |
782 | * SELinux and Smack integrate the cap call, | |
783 | * so assume that all LSMs supplying this call do so. | |
784 | */ | |
785 | ret = call_int_hook(inode_removexattr, 1, dentry, name); | |
786 | if (ret == 1) | |
787 | ret = cap_inode_removexattr(dentry, name); | |
42c63330 MZ |
788 | if (ret) |
789 | return ret; | |
790 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
791 | if (ret) |
792 | return ret; | |
793 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
794 | } |
795 | ||
b5376771 SH |
796 | int security_inode_need_killpriv(struct dentry *dentry) |
797 | { | |
f25fce3e | 798 | return call_int_hook(inode_need_killpriv, 0, dentry); |
b5376771 SH |
799 | } |
800 | ||
801 | int security_inode_killpriv(struct dentry *dentry) | |
802 | { | |
f25fce3e | 803 | return call_int_hook(inode_killpriv, 0, dentry); |
b5376771 SH |
804 | } |
805 | ||
ea861dfd | 806 | int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f | 807 | { |
2885c1e3 CS |
808 | struct security_hook_list *hp; |
809 | int rc; | |
810 | ||
20510f2f | 811 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 812 | return -EOPNOTSUPP; |
2885c1e3 CS |
813 | /* |
814 | * Only one module will provide an attribute with a given name. | |
815 | */ | |
816 | list_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { | |
817 | rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); | |
818 | if (rc != -EOPNOTSUPP) | |
819 | return rc; | |
820 | } | |
821 | return -EOPNOTSUPP; | |
20510f2f JM |
822 | } |
823 | ||
824 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
825 | { | |
2885c1e3 CS |
826 | struct security_hook_list *hp; |
827 | int rc; | |
828 | ||
20510f2f | 829 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 830 | return -EOPNOTSUPP; |
2885c1e3 CS |
831 | /* |
832 | * Only one module will provide an attribute with a given name. | |
833 | */ | |
834 | list_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { | |
835 | rc = hp->hook.inode_setsecurity(inode, name, value, size, | |
836 | flags); | |
837 | if (rc != -EOPNOTSUPP) | |
838 | return rc; | |
839 | } | |
840 | return -EOPNOTSUPP; | |
20510f2f JM |
841 | } |
842 | ||
843 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
844 | { | |
845 | if (unlikely(IS_PRIVATE(inode))) | |
846 | return 0; | |
f25fce3e | 847 | return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); |
20510f2f | 848 | } |
c9bccef6 | 849 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 850 | |
d6335d77 | 851 | void security_inode_getsecid(struct inode *inode, u32 *secid) |
8a076191 | 852 | { |
f25fce3e | 853 | call_void_hook(inode_getsecid, inode, secid); |
8a076191 AD |
854 | } |
855 | ||
d8ad8b49 VG |
856 | int security_inode_copy_up(struct dentry *src, struct cred **new) |
857 | { | |
858 | return call_int_hook(inode_copy_up, 0, src, new); | |
859 | } | |
860 | EXPORT_SYMBOL(security_inode_copy_up); | |
861 | ||
121ab822 VG |
862 | int security_inode_copy_up_xattr(const char *name) |
863 | { | |
864 | return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); | |
865 | } | |
866 | EXPORT_SYMBOL(security_inode_copy_up_xattr); | |
867 | ||
20510f2f JM |
868 | int security_file_permission(struct file *file, int mask) |
869 | { | |
c4ec54b4 EP |
870 | int ret; |
871 | ||
f25fce3e | 872 | ret = call_int_hook(file_permission, 0, file, mask); |
c4ec54b4 EP |
873 | if (ret) |
874 | return ret; | |
875 | ||
876 | return fsnotify_perm(file, mask); | |
20510f2f | 877 | } |
0006ebb4 | 878 | EXPORT_SYMBOL_GPL(security_file_permission); |
20510f2f JM |
879 | |
880 | int security_file_alloc(struct file *file) | |
881 | { | |
f25fce3e | 882 | return call_int_hook(file_alloc_security, 0, file); |
20510f2f JM |
883 | } |
884 | ||
885 | void security_file_free(struct file *file) | |
886 | { | |
f25fce3e | 887 | call_void_hook(file_free_security, file); |
20510f2f JM |
888 | } |
889 | ||
890 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
891 | { | |
f25fce3e | 892 | return call_int_hook(file_ioctl, 0, file, cmd, arg); |
20510f2f JM |
893 | } |
894 | ||
98de59bf | 895 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 896 | { |
8b3ec681 | 897 | /* |
98de59bf AV |
898 | * Does we have PROT_READ and does the application expect |
899 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 900 | */ |
98de59bf AV |
901 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
902 | return prot; | |
8b3ec681 | 903 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
904 | return prot; |
905 | /* | |
906 | * if that's an anonymous mapping, let it. | |
907 | */ | |
908 | if (!file) | |
909 | return prot | PROT_EXEC; | |
910 | /* | |
911 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 912 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf | 913 | */ |
90f8572b | 914 | if (!path_noexec(&file->f_path)) { |
8b3ec681 | 915 | #ifndef CONFIG_MMU |
b4caecd4 CH |
916 | if (file->f_op->mmap_capabilities) { |
917 | unsigned caps = file->f_op->mmap_capabilities(file); | |
918 | if (!(caps & NOMMU_MAP_EXEC)) | |
919 | return prot; | |
920 | } | |
8b3ec681 | 921 | #endif |
98de59bf | 922 | return prot | PROT_EXEC; |
8b3ec681 | 923 | } |
98de59bf AV |
924 | /* anything on noexec mount won't get PROT_EXEC */ |
925 | return prot; | |
926 | } | |
927 | ||
928 | int security_mmap_file(struct file *file, unsigned long prot, | |
929 | unsigned long flags) | |
930 | { | |
931 | int ret; | |
f25fce3e | 932 | ret = call_int_hook(mmap_file, 0, file, prot, |
98de59bf | 933 | mmap_prot(file, prot), flags); |
6c21a7fb MZ |
934 | if (ret) |
935 | return ret; | |
936 | return ima_file_mmap(file, prot); | |
20510f2f | 937 | } |
0006ebb4 | 938 | EXPORT_SYMBOL_GPL(security_mmap_file); |
20510f2f | 939 | |
e5467859 AV |
940 | int security_mmap_addr(unsigned long addr) |
941 | { | |
f25fce3e | 942 | return call_int_hook(mmap_addr, 0, addr); |
e5467859 AV |
943 | } |
944 | ||
20510f2f JM |
945 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
946 | unsigned long prot) | |
947 | { | |
f25fce3e | 948 | return call_int_hook(file_mprotect, 0, vma, reqprot, prot); |
20510f2f JM |
949 | } |
950 | ||
951 | int security_file_lock(struct file *file, unsigned int cmd) | |
952 | { | |
f25fce3e | 953 | return call_int_hook(file_lock, 0, file, cmd); |
20510f2f JM |
954 | } |
955 | ||
956 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
957 | { | |
f25fce3e | 958 | return call_int_hook(file_fcntl, 0, file, cmd, arg); |
20510f2f JM |
959 | } |
960 | ||
e0b93edd | 961 | void security_file_set_fowner(struct file *file) |
20510f2f | 962 | { |
f25fce3e | 963 | call_void_hook(file_set_fowner, file); |
20510f2f JM |
964 | } |
965 | ||
966 | int security_file_send_sigiotask(struct task_struct *tsk, | |
967 | struct fown_struct *fown, int sig) | |
968 | { | |
f25fce3e | 969 | return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); |
20510f2f JM |
970 | } |
971 | ||
972 | int security_file_receive(struct file *file) | |
973 | { | |
f25fce3e | 974 | return call_int_hook(file_receive, 0, file); |
20510f2f JM |
975 | } |
976 | ||
83d49856 | 977 | int security_file_open(struct file *file, const struct cred *cred) |
20510f2f | 978 | { |
c4ec54b4 EP |
979 | int ret; |
980 | ||
f25fce3e | 981 | ret = call_int_hook(file_open, 0, file, cred); |
c4ec54b4 EP |
982 | if (ret) |
983 | return ret; | |
984 | ||
985 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
986 | } |
987 | ||
e4e55b47 TH |
988 | int security_task_alloc(struct task_struct *task, unsigned long clone_flags) |
989 | { | |
990 | return call_int_hook(task_alloc, 0, task, clone_flags); | |
991 | } | |
992 | ||
1a2a4d06 KC |
993 | void security_task_free(struct task_struct *task) |
994 | { | |
f25fce3e | 995 | call_void_hook(task_free, task); |
1a2a4d06 KC |
996 | } |
997 | ||
ee18d64c DH |
998 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
999 | { | |
f25fce3e | 1000 | return call_int_hook(cred_alloc_blank, 0, cred, gfp); |
ee18d64c DH |
1001 | } |
1002 | ||
d84f4f99 | 1003 | void security_cred_free(struct cred *cred) |
20510f2f | 1004 | { |
f25fce3e | 1005 | call_void_hook(cred_free, cred); |
20510f2f JM |
1006 | } |
1007 | ||
d84f4f99 | 1008 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 1009 | { |
f25fce3e | 1010 | return call_int_hook(cred_prepare, 0, new, old, gfp); |
d84f4f99 DH |
1011 | } |
1012 | ||
ee18d64c DH |
1013 | void security_transfer_creds(struct cred *new, const struct cred *old) |
1014 | { | |
f25fce3e | 1015 | call_void_hook(cred_transfer, new, old); |
ee18d64c DH |
1016 | } |
1017 | ||
3a3b7ce9 DH |
1018 | int security_kernel_act_as(struct cred *new, u32 secid) |
1019 | { | |
f25fce3e | 1020 | return call_int_hook(kernel_act_as, 0, new, secid); |
3a3b7ce9 DH |
1021 | } |
1022 | ||
1023 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
1024 | { | |
f25fce3e | 1025 | return call_int_hook(kernel_create_files_as, 0, new, inode); |
3a3b7ce9 DH |
1026 | } |
1027 | ||
dd8dbf2e | 1028 | int security_kernel_module_request(char *kmod_name) |
9188499c | 1029 | { |
f25fce3e | 1030 | return call_int_hook(kernel_module_request, 0, kmod_name); |
9188499c EP |
1031 | } |
1032 | ||
39eeb4fb MZ |
1033 | int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) |
1034 | { | |
1035 | int ret; | |
1036 | ||
1037 | ret = call_int_hook(kernel_read_file, 0, file, id); | |
1038 | if (ret) | |
1039 | return ret; | |
1040 | return ima_read_file(file, id); | |
1041 | } | |
1042 | EXPORT_SYMBOL_GPL(security_kernel_read_file); | |
1043 | ||
bc8ca5b9 MZ |
1044 | int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, |
1045 | enum kernel_read_file_id id) | |
b44a7dfc | 1046 | { |
cf222217 MZ |
1047 | int ret; |
1048 | ||
1049 | ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); | |
1050 | if (ret) | |
1051 | return ret; | |
1052 | return ima_post_read_file(file, buf, size, id); | |
b44a7dfc MZ |
1053 | } |
1054 | EXPORT_SYMBOL_GPL(security_kernel_post_read_file); | |
1055 | ||
d84f4f99 DH |
1056 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
1057 | int flags) | |
20510f2f | 1058 | { |
f25fce3e | 1059 | return call_int_hook(task_fix_setuid, 0, new, old, flags); |
20510f2f JM |
1060 | } |
1061 | ||
20510f2f JM |
1062 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
1063 | { | |
f25fce3e | 1064 | return call_int_hook(task_setpgid, 0, p, pgid); |
20510f2f JM |
1065 | } |
1066 | ||
1067 | int security_task_getpgid(struct task_struct *p) | |
1068 | { | |
f25fce3e | 1069 | return call_int_hook(task_getpgid, 0, p); |
20510f2f JM |
1070 | } |
1071 | ||
1072 | int security_task_getsid(struct task_struct *p) | |
1073 | { | |
f25fce3e | 1074 | return call_int_hook(task_getsid, 0, p); |
20510f2f JM |
1075 | } |
1076 | ||
1077 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
1078 | { | |
b1d9e6b0 | 1079 | *secid = 0; |
f25fce3e | 1080 | call_void_hook(task_getsecid, p, secid); |
20510f2f JM |
1081 | } |
1082 | EXPORT_SYMBOL(security_task_getsecid); | |
1083 | ||
20510f2f JM |
1084 | int security_task_setnice(struct task_struct *p, int nice) |
1085 | { | |
f25fce3e | 1086 | return call_int_hook(task_setnice, 0, p, nice); |
20510f2f JM |
1087 | } |
1088 | ||
1089 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
1090 | { | |
f25fce3e | 1091 | return call_int_hook(task_setioprio, 0, p, ioprio); |
20510f2f JM |
1092 | } |
1093 | ||
1094 | int security_task_getioprio(struct task_struct *p) | |
1095 | { | |
f25fce3e | 1096 | return call_int_hook(task_getioprio, 0, p); |
20510f2f JM |
1097 | } |
1098 | ||
791ec491 SS |
1099 | int security_task_prlimit(const struct cred *cred, const struct cred *tcred, |
1100 | unsigned int flags) | |
1101 | { | |
1102 | return call_int_hook(task_prlimit, 0, cred, tcred, flags); | |
1103 | } | |
1104 | ||
8fd00b4d JS |
1105 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
1106 | struct rlimit *new_rlim) | |
20510f2f | 1107 | { |
f25fce3e | 1108 | return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); |
20510f2f JM |
1109 | } |
1110 | ||
b0ae1981 | 1111 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 1112 | { |
f25fce3e | 1113 | return call_int_hook(task_setscheduler, 0, p); |
20510f2f JM |
1114 | } |
1115 | ||
1116 | int security_task_getscheduler(struct task_struct *p) | |
1117 | { | |
f25fce3e | 1118 | return call_int_hook(task_getscheduler, 0, p); |
20510f2f JM |
1119 | } |
1120 | ||
1121 | int security_task_movememory(struct task_struct *p) | |
1122 | { | |
f25fce3e | 1123 | return call_int_hook(task_movememory, 0, p); |
20510f2f JM |
1124 | } |
1125 | ||
1126 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
1127 | int sig, u32 secid) | |
1128 | { | |
f25fce3e | 1129 | return call_int_hook(task_kill, 0, p, info, sig, secid); |
20510f2f JM |
1130 | } |
1131 | ||
20510f2f | 1132 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
d84f4f99 | 1133 | unsigned long arg4, unsigned long arg5) |
20510f2f | 1134 | { |
b1d9e6b0 CS |
1135 | int thisrc; |
1136 | int rc = -ENOSYS; | |
1137 | struct security_hook_list *hp; | |
1138 | ||
1139 | list_for_each_entry(hp, &security_hook_heads.task_prctl, list) { | |
1140 | thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); | |
1141 | if (thisrc != -ENOSYS) { | |
1142 | rc = thisrc; | |
1143 | if (thisrc != 0) | |
1144 | break; | |
1145 | } | |
1146 | } | |
1147 | return rc; | |
20510f2f JM |
1148 | } |
1149 | ||
1150 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
1151 | { | |
f25fce3e | 1152 | call_void_hook(task_to_inode, p, inode); |
20510f2f JM |
1153 | } |
1154 | ||
1155 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
1156 | { | |
f25fce3e | 1157 | return call_int_hook(ipc_permission, 0, ipcp, flag); |
20510f2f JM |
1158 | } |
1159 | ||
8a076191 AD |
1160 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
1161 | { | |
b1d9e6b0 | 1162 | *secid = 0; |
f25fce3e | 1163 | call_void_hook(ipc_getsecid, ipcp, secid); |
8a076191 AD |
1164 | } |
1165 | ||
20510f2f JM |
1166 | int security_msg_msg_alloc(struct msg_msg *msg) |
1167 | { | |
f25fce3e | 1168 | return call_int_hook(msg_msg_alloc_security, 0, msg); |
20510f2f JM |
1169 | } |
1170 | ||
1171 | void security_msg_msg_free(struct msg_msg *msg) | |
1172 | { | |
f25fce3e | 1173 | call_void_hook(msg_msg_free_security, msg); |
20510f2f JM |
1174 | } |
1175 | ||
1176 | int security_msg_queue_alloc(struct msg_queue *msq) | |
1177 | { | |
f25fce3e | 1178 | return call_int_hook(msg_queue_alloc_security, 0, msq); |
20510f2f JM |
1179 | } |
1180 | ||
1181 | void security_msg_queue_free(struct msg_queue *msq) | |
1182 | { | |
f25fce3e | 1183 | call_void_hook(msg_queue_free_security, msq); |
20510f2f JM |
1184 | } |
1185 | ||
1186 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
1187 | { | |
f25fce3e | 1188 | return call_int_hook(msg_queue_associate, 0, msq, msqflg); |
20510f2f JM |
1189 | } |
1190 | ||
1191 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
1192 | { | |
f25fce3e | 1193 | return call_int_hook(msg_queue_msgctl, 0, msq, cmd); |
20510f2f JM |
1194 | } |
1195 | ||
1196 | int security_msg_queue_msgsnd(struct msg_queue *msq, | |
1197 | struct msg_msg *msg, int msqflg) | |
1198 | { | |
f25fce3e | 1199 | return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); |
20510f2f JM |
1200 | } |
1201 | ||
1202 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
1203 | struct task_struct *target, long type, int mode) | |
1204 | { | |
f25fce3e | 1205 | return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); |
20510f2f JM |
1206 | } |
1207 | ||
1208 | int security_shm_alloc(struct shmid_kernel *shp) | |
1209 | { | |
f25fce3e | 1210 | return call_int_hook(shm_alloc_security, 0, shp); |
20510f2f JM |
1211 | } |
1212 | ||
1213 | void security_shm_free(struct shmid_kernel *shp) | |
1214 | { | |
f25fce3e | 1215 | call_void_hook(shm_free_security, shp); |
20510f2f JM |
1216 | } |
1217 | ||
1218 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) | |
1219 | { | |
f25fce3e | 1220 | return call_int_hook(shm_associate, 0, shp, shmflg); |
20510f2f JM |
1221 | } |
1222 | ||
1223 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
1224 | { | |
f25fce3e | 1225 | return call_int_hook(shm_shmctl, 0, shp, cmd); |
20510f2f JM |
1226 | } |
1227 | ||
1228 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) | |
1229 | { | |
f25fce3e | 1230 | return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); |
20510f2f JM |
1231 | } |
1232 | ||
1233 | int security_sem_alloc(struct sem_array *sma) | |
1234 | { | |
f25fce3e | 1235 | return call_int_hook(sem_alloc_security, 0, sma); |
20510f2f JM |
1236 | } |
1237 | ||
1238 | void security_sem_free(struct sem_array *sma) | |
1239 | { | |
f25fce3e | 1240 | call_void_hook(sem_free_security, sma); |
20510f2f JM |
1241 | } |
1242 | ||
1243 | int security_sem_associate(struct sem_array *sma, int semflg) | |
1244 | { | |
f25fce3e | 1245 | return call_int_hook(sem_associate, 0, sma, semflg); |
20510f2f JM |
1246 | } |
1247 | ||
1248 | int security_sem_semctl(struct sem_array *sma, int cmd) | |
1249 | { | |
f25fce3e | 1250 | return call_int_hook(sem_semctl, 0, sma, cmd); |
20510f2f JM |
1251 | } |
1252 | ||
1253 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
1254 | unsigned nsops, int alter) | |
1255 | { | |
f25fce3e | 1256 | return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); |
20510f2f JM |
1257 | } |
1258 | ||
1259 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1260 | { | |
1261 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1262 | return; | |
f25fce3e | 1263 | call_void_hook(d_instantiate, dentry, inode); |
20510f2f JM |
1264 | } |
1265 | EXPORT_SYMBOL(security_d_instantiate); | |
1266 | ||
1267 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1268 | { | |
b1d9e6b0 | 1269 | return call_int_hook(getprocattr, -EINVAL, p, name, value); |
20510f2f JM |
1270 | } |
1271 | ||
b21507e2 | 1272 | int security_setprocattr(const char *name, void *value, size_t size) |
20510f2f | 1273 | { |
b21507e2 | 1274 | return call_int_hook(setprocattr, -EINVAL, name, value, size); |
20510f2f JM |
1275 | } |
1276 | ||
1277 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1278 | { | |
f25fce3e | 1279 | return call_int_hook(netlink_send, 0, sk, skb); |
20510f2f | 1280 | } |
20510f2f | 1281 | |
746df9b5 DQ |
1282 | int security_ismaclabel(const char *name) |
1283 | { | |
f25fce3e | 1284 | return call_int_hook(ismaclabel, 0, name); |
746df9b5 DQ |
1285 | } |
1286 | EXPORT_SYMBOL(security_ismaclabel); | |
1287 | ||
20510f2f JM |
1288 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1289 | { | |
b1d9e6b0 CS |
1290 | return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, |
1291 | seclen); | |
20510f2f JM |
1292 | } |
1293 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1294 | ||
7bf570dc | 1295 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 | 1296 | { |
b1d9e6b0 | 1297 | *secid = 0; |
f25fce3e | 1298 | return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); |
63cb3449 DH |
1299 | } |
1300 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1301 | ||
20510f2f JM |
1302 | void security_release_secctx(char *secdata, u32 seclen) |
1303 | { | |
f25fce3e | 1304 | call_void_hook(release_secctx, secdata, seclen); |
20510f2f JM |
1305 | } |
1306 | EXPORT_SYMBOL(security_release_secctx); | |
1307 | ||
6f3be9f5 AG |
1308 | void security_inode_invalidate_secctx(struct inode *inode) |
1309 | { | |
1310 | call_void_hook(inode_invalidate_secctx, inode); | |
1311 | } | |
1312 | EXPORT_SYMBOL(security_inode_invalidate_secctx); | |
1313 | ||
1ee65e37 DQ |
1314 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1315 | { | |
f25fce3e | 1316 | return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); |
1ee65e37 DQ |
1317 | } |
1318 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1319 | ||
1320 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1321 | { | |
f25fce3e | 1322 | return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); |
1ee65e37 DQ |
1323 | } |
1324 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1325 | ||
1326 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1327 | { | |
b1d9e6b0 | 1328 | return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); |
1ee65e37 DQ |
1329 | } |
1330 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1331 | ||
20510f2f JM |
1332 | #ifdef CONFIG_SECURITY_NETWORK |
1333 | ||
3610cda5 | 1334 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f | 1335 | { |
f25fce3e | 1336 | return call_int_hook(unix_stream_connect, 0, sock, other, newsk); |
20510f2f JM |
1337 | } |
1338 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1339 | ||
1340 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1341 | { | |
f25fce3e | 1342 | return call_int_hook(unix_may_send, 0, sock, other); |
20510f2f JM |
1343 | } |
1344 | EXPORT_SYMBOL(security_unix_may_send); | |
1345 | ||
1346 | int security_socket_create(int family, int type, int protocol, int kern) | |
1347 | { | |
f25fce3e | 1348 | return call_int_hook(socket_create, 0, family, type, protocol, kern); |
20510f2f JM |
1349 | } |
1350 | ||
1351 | int security_socket_post_create(struct socket *sock, int family, | |
1352 | int type, int protocol, int kern) | |
1353 | { | |
f25fce3e | 1354 | return call_int_hook(socket_post_create, 0, sock, family, type, |
20510f2f JM |
1355 | protocol, kern); |
1356 | } | |
1357 | ||
1358 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) | |
1359 | { | |
f25fce3e | 1360 | return call_int_hook(socket_bind, 0, sock, address, addrlen); |
20510f2f JM |
1361 | } |
1362 | ||
1363 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1364 | { | |
f25fce3e | 1365 | return call_int_hook(socket_connect, 0, sock, address, addrlen); |
20510f2f JM |
1366 | } |
1367 | ||
1368 | int security_socket_listen(struct socket *sock, int backlog) | |
1369 | { | |
f25fce3e | 1370 | return call_int_hook(socket_listen, 0, sock, backlog); |
20510f2f JM |
1371 | } |
1372 | ||
1373 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1374 | { | |
f25fce3e | 1375 | return call_int_hook(socket_accept, 0, sock, newsock); |
20510f2f JM |
1376 | } |
1377 | ||
20510f2f JM |
1378 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1379 | { | |
f25fce3e | 1380 | return call_int_hook(socket_sendmsg, 0, sock, msg, size); |
20510f2f JM |
1381 | } |
1382 | ||
1383 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1384 | int size, int flags) | |
1385 | { | |
f25fce3e | 1386 | return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); |
20510f2f JM |
1387 | } |
1388 | ||
1389 | int security_socket_getsockname(struct socket *sock) | |
1390 | { | |
f25fce3e | 1391 | return call_int_hook(socket_getsockname, 0, sock); |
20510f2f JM |
1392 | } |
1393 | ||
1394 | int security_socket_getpeername(struct socket *sock) | |
1395 | { | |
f25fce3e | 1396 | return call_int_hook(socket_getpeername, 0, sock); |
20510f2f JM |
1397 | } |
1398 | ||
1399 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1400 | { | |
f25fce3e | 1401 | return call_int_hook(socket_getsockopt, 0, sock, level, optname); |
20510f2f JM |
1402 | } |
1403 | ||
1404 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1405 | { | |
f25fce3e | 1406 | return call_int_hook(socket_setsockopt, 0, sock, level, optname); |
20510f2f JM |
1407 | } |
1408 | ||
1409 | int security_socket_shutdown(struct socket *sock, int how) | |
1410 | { | |
f25fce3e | 1411 | return call_int_hook(socket_shutdown, 0, sock, how); |
20510f2f JM |
1412 | } |
1413 | ||
1414 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1415 | { | |
f25fce3e | 1416 | return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); |
20510f2f JM |
1417 | } |
1418 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1419 | ||
1420 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1421 | int __user *optlen, unsigned len) | |
1422 | { | |
b1d9e6b0 CS |
1423 | return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, |
1424 | optval, optlen, len); | |
20510f2f JM |
1425 | } |
1426 | ||
1427 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1428 | { | |
e308fd3b JB |
1429 | return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, |
1430 | skb, secid); | |
20510f2f JM |
1431 | } |
1432 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1433 | ||
1434 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1435 | { | |
f25fce3e | 1436 | return call_int_hook(sk_alloc_security, 0, sk, family, priority); |
20510f2f JM |
1437 | } |
1438 | ||
1439 | void security_sk_free(struct sock *sk) | |
1440 | { | |
f25fce3e | 1441 | call_void_hook(sk_free_security, sk); |
20510f2f JM |
1442 | } |
1443 | ||
1444 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1445 | { | |
f25fce3e | 1446 | call_void_hook(sk_clone_security, sk, newsk); |
20510f2f | 1447 | } |
6230c9b4 | 1448 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1449 | |
1450 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1451 | { | |
f25fce3e | 1452 | call_void_hook(sk_getsecid, sk, &fl->flowi_secid); |
20510f2f JM |
1453 | } |
1454 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1455 | ||
1456 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1457 | { | |
f25fce3e | 1458 | call_void_hook(req_classify_flow, req, fl); |
20510f2f JM |
1459 | } |
1460 | EXPORT_SYMBOL(security_req_classify_flow); | |
1461 | ||
1462 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1463 | { | |
f25fce3e | 1464 | call_void_hook(sock_graft, sk, parent); |
20510f2f JM |
1465 | } |
1466 | EXPORT_SYMBOL(security_sock_graft); | |
1467 | ||
1468 | int security_inet_conn_request(struct sock *sk, | |
1469 | struct sk_buff *skb, struct request_sock *req) | |
1470 | { | |
f25fce3e | 1471 | return call_int_hook(inet_conn_request, 0, sk, skb, req); |
20510f2f JM |
1472 | } |
1473 | EXPORT_SYMBOL(security_inet_conn_request); | |
1474 | ||
1475 | void security_inet_csk_clone(struct sock *newsk, | |
1476 | const struct request_sock *req) | |
1477 | { | |
f25fce3e | 1478 | call_void_hook(inet_csk_clone, newsk, req); |
20510f2f JM |
1479 | } |
1480 | ||
1481 | void security_inet_conn_established(struct sock *sk, | |
1482 | struct sk_buff *skb) | |
1483 | { | |
f25fce3e | 1484 | call_void_hook(inet_conn_established, sk, skb); |
20510f2f JM |
1485 | } |
1486 | ||
2606fd1f EP |
1487 | int security_secmark_relabel_packet(u32 secid) |
1488 | { | |
f25fce3e | 1489 | return call_int_hook(secmark_relabel_packet, 0, secid); |
2606fd1f EP |
1490 | } |
1491 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1492 | ||
1493 | void security_secmark_refcount_inc(void) | |
1494 | { | |
f25fce3e | 1495 | call_void_hook(secmark_refcount_inc); |
2606fd1f EP |
1496 | } |
1497 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1498 | ||
1499 | void security_secmark_refcount_dec(void) | |
1500 | { | |
f25fce3e | 1501 | call_void_hook(secmark_refcount_dec); |
2606fd1f EP |
1502 | } |
1503 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1504 | ||
5dbbaf2d PM |
1505 | int security_tun_dev_alloc_security(void **security) |
1506 | { | |
f25fce3e | 1507 | return call_int_hook(tun_dev_alloc_security, 0, security); |
5dbbaf2d PM |
1508 | } |
1509 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1510 | ||
1511 | void security_tun_dev_free_security(void *security) | |
1512 | { | |
f25fce3e | 1513 | call_void_hook(tun_dev_free_security, security); |
5dbbaf2d PM |
1514 | } |
1515 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1516 | ||
2b980dbd PM |
1517 | int security_tun_dev_create(void) |
1518 | { | |
f25fce3e | 1519 | return call_int_hook(tun_dev_create, 0); |
2b980dbd PM |
1520 | } |
1521 | EXPORT_SYMBOL(security_tun_dev_create); | |
1522 | ||
5dbbaf2d | 1523 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1524 | { |
f25fce3e | 1525 | return call_int_hook(tun_dev_attach_queue, 0, security); |
2b980dbd | 1526 | } |
5dbbaf2d | 1527 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1528 | |
5dbbaf2d | 1529 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1530 | { |
f25fce3e | 1531 | return call_int_hook(tun_dev_attach, 0, sk, security); |
2b980dbd PM |
1532 | } |
1533 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1534 | ||
5dbbaf2d PM |
1535 | int security_tun_dev_open(void *security) |
1536 | { | |
f25fce3e | 1537 | return call_int_hook(tun_dev_open, 0, security); |
5dbbaf2d PM |
1538 | } |
1539 | EXPORT_SYMBOL(security_tun_dev_open); | |
1540 | ||
20510f2f JM |
1541 | #endif /* CONFIG_SECURITY_NETWORK */ |
1542 | ||
d291f1a6 DJ |
1543 | #ifdef CONFIG_SECURITY_INFINIBAND |
1544 | ||
1545 | int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey) | |
1546 | { | |
1547 | return call_int_hook(ib_pkey_access, 0, sec, subnet_prefix, pkey); | |
1548 | } | |
1549 | EXPORT_SYMBOL(security_ib_pkey_access); | |
1550 | ||
47a2b338 DJ |
1551 | int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num) |
1552 | { | |
1553 | return call_int_hook(ib_endport_manage_subnet, 0, sec, dev_name, port_num); | |
1554 | } | |
1555 | EXPORT_SYMBOL(security_ib_endport_manage_subnet); | |
1556 | ||
d291f1a6 DJ |
1557 | int security_ib_alloc_security(void **sec) |
1558 | { | |
1559 | return call_int_hook(ib_alloc_security, 0, sec); | |
1560 | } | |
1561 | EXPORT_SYMBOL(security_ib_alloc_security); | |
1562 | ||
1563 | void security_ib_free_security(void *sec) | |
1564 | { | |
1565 | call_void_hook(ib_free_security, sec); | |
1566 | } | |
1567 | EXPORT_SYMBOL(security_ib_free_security); | |
1568 | #endif /* CONFIG_SECURITY_INFINIBAND */ | |
1569 | ||
20510f2f JM |
1570 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1571 | ||
52a4c640 NA |
1572 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1573 | struct xfrm_user_sec_ctx *sec_ctx, | |
1574 | gfp_t gfp) | |
20510f2f | 1575 | { |
f25fce3e | 1576 | return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); |
20510f2f JM |
1577 | } |
1578 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1579 | ||
03e1ad7b PM |
1580 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1581 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1582 | { |
f25fce3e | 1583 | return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); |
20510f2f JM |
1584 | } |
1585 | ||
03e1ad7b | 1586 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1587 | { |
f25fce3e | 1588 | call_void_hook(xfrm_policy_free_security, ctx); |
20510f2f JM |
1589 | } |
1590 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1591 | ||
03e1ad7b | 1592 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1593 | { |
f25fce3e | 1594 | return call_int_hook(xfrm_policy_delete_security, 0, ctx); |
20510f2f JM |
1595 | } |
1596 | ||
2e5aa866 PM |
1597 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1598 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1599 | { |
f25fce3e | 1600 | return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); |
20510f2f JM |
1601 | } |
1602 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1603 | ||
1604 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1605 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1606 | { | |
f25fce3e | 1607 | return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); |
20510f2f JM |
1608 | } |
1609 | ||
1610 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1611 | { | |
f25fce3e | 1612 | return call_int_hook(xfrm_state_delete_security, 0, x); |
20510f2f JM |
1613 | } |
1614 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1615 | ||
1616 | void security_xfrm_state_free(struct xfrm_state *x) | |
1617 | { | |
f25fce3e | 1618 | call_void_hook(xfrm_state_free_security, x); |
20510f2f JM |
1619 | } |
1620 | ||
03e1ad7b | 1621 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1622 | { |
f25fce3e | 1623 | return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); |
20510f2f JM |
1624 | } |
1625 | ||
1626 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1627 | struct xfrm_policy *xp, |
1628 | const struct flowi *fl) | |
20510f2f | 1629 | { |
b1d9e6b0 CS |
1630 | struct security_hook_list *hp; |
1631 | int rc = 1; | |
1632 | ||
1633 | /* | |
1634 | * Since this function is expected to return 0 or 1, the judgment | |
1635 | * becomes difficult if multiple LSMs supply this call. Fortunately, | |
1636 | * we can use the first LSM's judgment because currently only SELinux | |
1637 | * supplies this call. | |
1638 | * | |
1639 | * For speed optimization, we explicitly break the loop rather than | |
1640 | * using the macro | |
1641 | */ | |
1642 | list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, | |
1643 | list) { | |
1644 | rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); | |
1645 | break; | |
1646 | } | |
1647 | return rc; | |
20510f2f JM |
1648 | } |
1649 | ||
1650 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1651 | { | |
f25fce3e | 1652 | return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); |
20510f2f JM |
1653 | } |
1654 | ||
1655 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1656 | { | |
f25fce3e CS |
1657 | int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, |
1658 | 0); | |
20510f2f JM |
1659 | |
1660 | BUG_ON(rc); | |
1661 | } | |
1662 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1663 | ||
1664 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1665 | ||
1666 | #ifdef CONFIG_KEYS | |
1667 | ||
d84f4f99 DH |
1668 | int security_key_alloc(struct key *key, const struct cred *cred, |
1669 | unsigned long flags) | |
20510f2f | 1670 | { |
f25fce3e | 1671 | return call_int_hook(key_alloc, 0, key, cred, flags); |
20510f2f JM |
1672 | } |
1673 | ||
1674 | void security_key_free(struct key *key) | |
1675 | { | |
f25fce3e | 1676 | call_void_hook(key_free, key); |
20510f2f JM |
1677 | } |
1678 | ||
1679 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1680 | const struct cred *cred, unsigned perm) |
20510f2f | 1681 | { |
f25fce3e | 1682 | return call_int_hook(key_permission, 0, key_ref, cred, perm); |
20510f2f JM |
1683 | } |
1684 | ||
70a5bb72 DH |
1685 | int security_key_getsecurity(struct key *key, char **_buffer) |
1686 | { | |
b1d9e6b0 | 1687 | *_buffer = NULL; |
f25fce3e | 1688 | return call_int_hook(key_getsecurity, 0, key, _buffer); |
70a5bb72 DH |
1689 | } |
1690 | ||
20510f2f | 1691 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1692 | |
1693 | #ifdef CONFIG_AUDIT | |
1694 | ||
1695 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1696 | { | |
f25fce3e | 1697 | return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); |
03d37d25 AD |
1698 | } |
1699 | ||
1700 | int security_audit_rule_known(struct audit_krule *krule) | |
1701 | { | |
f25fce3e | 1702 | return call_int_hook(audit_rule_known, 0, krule); |
03d37d25 AD |
1703 | } |
1704 | ||
1705 | void security_audit_rule_free(void *lsmrule) | |
1706 | { | |
f25fce3e | 1707 | call_void_hook(audit_rule_free, lsmrule); |
03d37d25 AD |
1708 | } |
1709 | ||
1710 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1711 | struct audit_context *actx) | |
1712 | { | |
f25fce3e CS |
1713 | return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, |
1714 | actx); | |
03d37d25 | 1715 | } |
b1d9e6b0 | 1716 | #endif /* CONFIG_AUDIT */ |
afdb09c7 CF |
1717 | |
1718 | #ifdef CONFIG_BPF_SYSCALL | |
1719 | int security_bpf(int cmd, union bpf_attr *attr, unsigned int size) | |
1720 | { | |
1721 | return call_int_hook(bpf, 0, cmd, attr, size); | |
1722 | } | |
1723 | int security_bpf_map(struct bpf_map *map, fmode_t fmode) | |
1724 | { | |
1725 | return call_int_hook(bpf_map, 0, map, fmode); | |
1726 | } | |
1727 | int security_bpf_prog(struct bpf_prog *prog) | |
1728 | { | |
1729 | return call_int_hook(bpf_prog, 0, prog); | |
1730 | } | |
1731 | int security_bpf_map_alloc(struct bpf_map *map) | |
1732 | { | |
1733 | return call_int_hook(bpf_map_alloc_security, 0, map); | |
1734 | } | |
1735 | int security_bpf_prog_alloc(struct bpf_prog_aux *aux) | |
1736 | { | |
1737 | return call_int_hook(bpf_prog_alloc_security, 0, aux); | |
1738 | } | |
1739 | void security_bpf_map_free(struct bpf_map *map) | |
1740 | { | |
1741 | call_void_hook(bpf_map_free_security, map); | |
1742 | } | |
1743 | void security_bpf_prog_free(struct bpf_prog_aux *aux) | |
1744 | { | |
1745 | call_void_hook(bpf_prog_free_security, aux); | |
1746 | } | |
1747 | #endif /* CONFIG_BPF_SYSCALL */ |