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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 | |
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 KT |
533 | } |
534 | ||
989f74e0 | 535 | int security_path_unlink(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 536 | { |
c6f493d6 | 537 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 538 | return 0; |
f25fce3e | 539 | return call_int_hook(path_unlink, 0, dir, dentry); |
be6d3e56 | 540 | } |
82140443 | 541 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 542 | |
d3607752 | 543 | int security_path_symlink(const struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
544 | const char *old_name) |
545 | { | |
c6f493d6 | 546 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 547 | return 0; |
f25fce3e | 548 | return call_int_hook(path_symlink, 0, dir, dentry, old_name); |
be6d3e56 KT |
549 | } |
550 | ||
3ccee46a | 551 | int security_path_link(struct dentry *old_dentry, const struct path *new_dir, |
be6d3e56 KT |
552 | struct dentry *new_dentry) |
553 | { | |
c6f493d6 | 554 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
be6d3e56 | 555 | return 0; |
f25fce3e | 556 | return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry); |
be6d3e56 KT |
557 | } |
558 | ||
3ccee46a AV |
559 | int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, |
560 | const struct path *new_dir, struct dentry *new_dentry, | |
0b3974eb | 561 | unsigned int flags) |
be6d3e56 | 562 | { |
c6f493d6 DH |
563 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
564 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
be6d3e56 | 565 | return 0; |
da1ce067 MS |
566 | |
567 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e CS |
568 | int err = call_int_hook(path_rename, 0, new_dir, new_dentry, |
569 | old_dir, old_dentry); | |
da1ce067 MS |
570 | if (err) |
571 | return err; | |
572 | } | |
573 | ||
f25fce3e CS |
574 | return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, |
575 | new_dentry); | |
be6d3e56 | 576 | } |
82140443 | 577 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 578 | |
81f4c506 | 579 | int security_path_truncate(const struct path *path) |
be6d3e56 | 580 | { |
c6f493d6 | 581 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
be6d3e56 | 582 | return 0; |
f25fce3e | 583 | return call_int_hook(path_truncate, 0, path); |
be6d3e56 | 584 | } |
89eda068 | 585 | |
be01f9f2 | 586 | int security_path_chmod(const struct path *path, umode_t mode) |
89eda068 | 587 | { |
c6f493d6 | 588 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 589 | return 0; |
f25fce3e | 590 | return call_int_hook(path_chmod, 0, path, mode); |
89eda068 TH |
591 | } |
592 | ||
7fd25dac | 593 | int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
89eda068 | 594 | { |
c6f493d6 | 595 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 596 | return 0; |
f25fce3e | 597 | return call_int_hook(path_chown, 0, path, uid, gid); |
89eda068 | 598 | } |
8b8efb44 | 599 | |
77b286c0 | 600 | int security_path_chroot(const struct path *path) |
8b8efb44 | 601 | { |
f25fce3e | 602 | return call_int_hook(path_chroot, 0, path); |
8b8efb44 | 603 | } |
be6d3e56 KT |
604 | #endif |
605 | ||
4acdaf27 | 606 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
607 | { |
608 | if (unlikely(IS_PRIVATE(dir))) | |
609 | return 0; | |
f25fce3e | 610 | return call_int_hook(inode_create, 0, dir, dentry, mode); |
20510f2f | 611 | } |
800a9647 | 612 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
613 | |
614 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
615 | struct dentry *new_dentry) | |
616 | { | |
c6f493d6 | 617 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
20510f2f | 618 | return 0; |
f25fce3e | 619 | return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry); |
20510f2f JM |
620 | } |
621 | ||
622 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
623 | { | |
c6f493d6 | 624 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 625 | return 0; |
f25fce3e | 626 | return call_int_hook(inode_unlink, 0, dir, dentry); |
20510f2f JM |
627 | } |
628 | ||
629 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
630 | const char *old_name) | |
631 | { | |
632 | if (unlikely(IS_PRIVATE(dir))) | |
633 | return 0; | |
f25fce3e | 634 | return call_int_hook(inode_symlink, 0, dir, dentry, old_name); |
20510f2f JM |
635 | } |
636 | ||
18bb1db3 | 637 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
638 | { |
639 | if (unlikely(IS_PRIVATE(dir))) | |
640 | return 0; | |
f25fce3e | 641 | return call_int_hook(inode_mkdir, 0, dir, dentry, mode); |
20510f2f | 642 | } |
800a9647 | 643 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
644 | |
645 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
646 | { | |
c6f493d6 | 647 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 648 | return 0; |
f25fce3e | 649 | return call_int_hook(inode_rmdir, 0, dir, dentry); |
20510f2f JM |
650 | } |
651 | ||
1a67aafb | 652 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
653 | { |
654 | if (unlikely(IS_PRIVATE(dir))) | |
655 | return 0; | |
f25fce3e | 656 | return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev); |
20510f2f JM |
657 | } |
658 | ||
659 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
660 | struct inode *new_dir, struct dentry *new_dentry, |
661 | unsigned int flags) | |
20510f2f | 662 | { |
c6f493d6 DH |
663 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
664 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
20510f2f | 665 | return 0; |
da1ce067 MS |
666 | |
667 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e | 668 | int err = call_int_hook(inode_rename, 0, new_dir, new_dentry, |
da1ce067 MS |
669 | old_dir, old_dentry); |
670 | if (err) | |
671 | return err; | |
672 | } | |
673 | ||
f25fce3e | 674 | return call_int_hook(inode_rename, 0, old_dir, old_dentry, |
20510f2f JM |
675 | new_dir, new_dentry); |
676 | } | |
677 | ||
678 | int security_inode_readlink(struct dentry *dentry) | |
679 | { | |
c6f493d6 | 680 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 681 | return 0; |
f25fce3e | 682 | return call_int_hook(inode_readlink, 0, dentry); |
20510f2f JM |
683 | } |
684 | ||
bda0be7a N |
685 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
686 | bool rcu) | |
20510f2f | 687 | { |
bda0be7a | 688 | if (unlikely(IS_PRIVATE(inode))) |
20510f2f | 689 | return 0; |
e22619a2 | 690 | return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); |
20510f2f JM |
691 | } |
692 | ||
b77b0646 | 693 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
694 | { |
695 | if (unlikely(IS_PRIVATE(inode))) | |
696 | return 0; | |
f25fce3e | 697 | return call_int_hook(inode_permission, 0, inode, mask); |
20510f2f JM |
698 | } |
699 | ||
700 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
701 | { | |
817b54aa MZ |
702 | int ret; |
703 | ||
c6f493d6 | 704 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 705 | return 0; |
f25fce3e | 706 | ret = call_int_hook(inode_setattr, 0, dentry, attr); |
817b54aa MZ |
707 | if (ret) |
708 | return ret; | |
709 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 710 | } |
b1da47e2 | 711 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 712 | |
3f7036a0 | 713 | int security_inode_getattr(const struct path *path) |
20510f2f | 714 | { |
c6f493d6 | 715 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 716 | return 0; |
f25fce3e | 717 | return call_int_hook(inode_getattr, 0, path); |
20510f2f JM |
718 | } |
719 | ||
8f0cfa52 DH |
720 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
721 | const void *value, size_t size, int flags) | |
20510f2f | 722 | { |
3e1be52d MZ |
723 | int ret; |
724 | ||
c6f493d6 | 725 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 726 | return 0; |
b1d9e6b0 CS |
727 | /* |
728 | * SELinux and Smack integrate the cap call, | |
729 | * so assume that all LSMs supplying this call do so. | |
730 | */ | |
731 | ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, | |
f25fce3e | 732 | flags); |
b1d9e6b0 CS |
733 | |
734 | if (ret == 1) | |
735 | ret = cap_inode_setxattr(dentry, name, value, size, flags); | |
42c63330 MZ |
736 | if (ret) |
737 | return ret; | |
738 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
739 | if (ret) |
740 | return ret; | |
741 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
742 | } |
743 | ||
8f0cfa52 DH |
744 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
745 | const void *value, size_t size, int flags) | |
20510f2f | 746 | { |
c6f493d6 | 747 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 748 | return; |
f25fce3e | 749 | call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); |
3e1be52d | 750 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
751 | } |
752 | ||
8f0cfa52 | 753 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 754 | { |
c6f493d6 | 755 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 756 | return 0; |
f25fce3e | 757 | return call_int_hook(inode_getxattr, 0, dentry, name); |
20510f2f JM |
758 | } |
759 | ||
760 | int security_inode_listxattr(struct dentry *dentry) | |
761 | { | |
c6f493d6 | 762 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 763 | return 0; |
f25fce3e | 764 | return call_int_hook(inode_listxattr, 0, dentry); |
20510f2f JM |
765 | } |
766 | ||
8f0cfa52 | 767 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 768 | { |
3e1be52d MZ |
769 | int ret; |
770 | ||
c6f493d6 | 771 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 772 | return 0; |
b1d9e6b0 CS |
773 | /* |
774 | * SELinux and Smack integrate the cap call, | |
775 | * so assume that all LSMs supplying this call do so. | |
776 | */ | |
777 | ret = call_int_hook(inode_removexattr, 1, dentry, name); | |
778 | if (ret == 1) | |
779 | ret = cap_inode_removexattr(dentry, name); | |
42c63330 MZ |
780 | if (ret) |
781 | return ret; | |
782 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
783 | if (ret) |
784 | return ret; | |
785 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
786 | } |
787 | ||
b5376771 SH |
788 | int security_inode_need_killpriv(struct dentry *dentry) |
789 | { | |
f25fce3e | 790 | return call_int_hook(inode_need_killpriv, 0, dentry); |
b5376771 SH |
791 | } |
792 | ||
793 | int security_inode_killpriv(struct dentry *dentry) | |
794 | { | |
f25fce3e | 795 | return call_int_hook(inode_killpriv, 0, dentry); |
b5376771 SH |
796 | } |
797 | ||
ea861dfd | 798 | int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f | 799 | { |
2885c1e3 CS |
800 | struct security_hook_list *hp; |
801 | int rc; | |
802 | ||
20510f2f | 803 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 804 | return -EOPNOTSUPP; |
2885c1e3 CS |
805 | /* |
806 | * Only one module will provide an attribute with a given name. | |
807 | */ | |
808 | list_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { | |
809 | rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); | |
810 | if (rc != -EOPNOTSUPP) | |
811 | return rc; | |
812 | } | |
813 | return -EOPNOTSUPP; | |
20510f2f JM |
814 | } |
815 | ||
816 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
817 | { | |
2885c1e3 CS |
818 | struct security_hook_list *hp; |
819 | int rc; | |
820 | ||
20510f2f | 821 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 822 | return -EOPNOTSUPP; |
2885c1e3 CS |
823 | /* |
824 | * Only one module will provide an attribute with a given name. | |
825 | */ | |
826 | list_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { | |
827 | rc = hp->hook.inode_setsecurity(inode, name, value, size, | |
828 | flags); | |
829 | if (rc != -EOPNOTSUPP) | |
830 | return rc; | |
831 | } | |
832 | return -EOPNOTSUPP; | |
20510f2f JM |
833 | } |
834 | ||
835 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
836 | { | |
837 | if (unlikely(IS_PRIVATE(inode))) | |
838 | return 0; | |
f25fce3e | 839 | return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); |
20510f2f | 840 | } |
c9bccef6 | 841 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 842 | |
d6335d77 | 843 | void security_inode_getsecid(struct inode *inode, u32 *secid) |
8a076191 | 844 | { |
f25fce3e | 845 | call_void_hook(inode_getsecid, inode, secid); |
8a076191 AD |
846 | } |
847 | ||
d8ad8b49 VG |
848 | int security_inode_copy_up(struct dentry *src, struct cred **new) |
849 | { | |
850 | return call_int_hook(inode_copy_up, 0, src, new); | |
851 | } | |
852 | EXPORT_SYMBOL(security_inode_copy_up); | |
853 | ||
121ab822 VG |
854 | int security_inode_copy_up_xattr(const char *name) |
855 | { | |
856 | return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); | |
857 | } | |
858 | EXPORT_SYMBOL(security_inode_copy_up_xattr); | |
859 | ||
20510f2f JM |
860 | int security_file_permission(struct file *file, int mask) |
861 | { | |
c4ec54b4 EP |
862 | int ret; |
863 | ||
f25fce3e | 864 | ret = call_int_hook(file_permission, 0, file, mask); |
c4ec54b4 EP |
865 | if (ret) |
866 | return ret; | |
867 | ||
868 | return fsnotify_perm(file, mask); | |
20510f2f JM |
869 | } |
870 | ||
871 | int security_file_alloc(struct file *file) | |
872 | { | |
f25fce3e | 873 | return call_int_hook(file_alloc_security, 0, file); |
20510f2f JM |
874 | } |
875 | ||
876 | void security_file_free(struct file *file) | |
877 | { | |
f25fce3e | 878 | call_void_hook(file_free_security, file); |
20510f2f JM |
879 | } |
880 | ||
881 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
882 | { | |
f25fce3e | 883 | return call_int_hook(file_ioctl, 0, file, cmd, arg); |
20510f2f JM |
884 | } |
885 | ||
98de59bf | 886 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 887 | { |
8b3ec681 | 888 | /* |
98de59bf AV |
889 | * Does we have PROT_READ and does the application expect |
890 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 891 | */ |
98de59bf AV |
892 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
893 | return prot; | |
8b3ec681 | 894 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
895 | return prot; |
896 | /* | |
897 | * if that's an anonymous mapping, let it. | |
898 | */ | |
899 | if (!file) | |
900 | return prot | PROT_EXEC; | |
901 | /* | |
902 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 903 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf | 904 | */ |
90f8572b | 905 | if (!path_noexec(&file->f_path)) { |
8b3ec681 | 906 | #ifndef CONFIG_MMU |
b4caecd4 CH |
907 | if (file->f_op->mmap_capabilities) { |
908 | unsigned caps = file->f_op->mmap_capabilities(file); | |
909 | if (!(caps & NOMMU_MAP_EXEC)) | |
910 | return prot; | |
911 | } | |
8b3ec681 | 912 | #endif |
98de59bf | 913 | return prot | PROT_EXEC; |
8b3ec681 | 914 | } |
98de59bf AV |
915 | /* anything on noexec mount won't get PROT_EXEC */ |
916 | return prot; | |
917 | } | |
918 | ||
919 | int security_mmap_file(struct file *file, unsigned long prot, | |
920 | unsigned long flags) | |
921 | { | |
922 | int ret; | |
f25fce3e | 923 | ret = call_int_hook(mmap_file, 0, file, prot, |
98de59bf | 924 | mmap_prot(file, prot), flags); |
6c21a7fb MZ |
925 | if (ret) |
926 | return ret; | |
927 | return ima_file_mmap(file, prot); | |
20510f2f JM |
928 | } |
929 | ||
e5467859 AV |
930 | int security_mmap_addr(unsigned long addr) |
931 | { | |
f25fce3e | 932 | return call_int_hook(mmap_addr, 0, addr); |
e5467859 AV |
933 | } |
934 | ||
20510f2f JM |
935 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
936 | unsigned long prot) | |
937 | { | |
f25fce3e | 938 | return call_int_hook(file_mprotect, 0, vma, reqprot, prot); |
20510f2f JM |
939 | } |
940 | ||
941 | int security_file_lock(struct file *file, unsigned int cmd) | |
942 | { | |
f25fce3e | 943 | return call_int_hook(file_lock, 0, file, cmd); |
20510f2f JM |
944 | } |
945 | ||
946 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
947 | { | |
f25fce3e | 948 | return call_int_hook(file_fcntl, 0, file, cmd, arg); |
20510f2f JM |
949 | } |
950 | ||
e0b93edd | 951 | void security_file_set_fowner(struct file *file) |
20510f2f | 952 | { |
f25fce3e | 953 | call_void_hook(file_set_fowner, file); |
20510f2f JM |
954 | } |
955 | ||
956 | int security_file_send_sigiotask(struct task_struct *tsk, | |
957 | struct fown_struct *fown, int sig) | |
958 | { | |
f25fce3e | 959 | return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); |
20510f2f JM |
960 | } |
961 | ||
962 | int security_file_receive(struct file *file) | |
963 | { | |
f25fce3e | 964 | return call_int_hook(file_receive, 0, file); |
20510f2f JM |
965 | } |
966 | ||
83d49856 | 967 | int security_file_open(struct file *file, const struct cred *cred) |
20510f2f | 968 | { |
c4ec54b4 EP |
969 | int ret; |
970 | ||
f25fce3e | 971 | ret = call_int_hook(file_open, 0, file, cred); |
c4ec54b4 EP |
972 | if (ret) |
973 | return ret; | |
974 | ||
975 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
976 | } |
977 | ||
e4e55b47 TH |
978 | int security_task_alloc(struct task_struct *task, unsigned long clone_flags) |
979 | { | |
980 | return call_int_hook(task_alloc, 0, task, clone_flags); | |
981 | } | |
982 | ||
1a2a4d06 KC |
983 | void security_task_free(struct task_struct *task) |
984 | { | |
f25fce3e | 985 | call_void_hook(task_free, task); |
1a2a4d06 KC |
986 | } |
987 | ||
ee18d64c DH |
988 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
989 | { | |
f25fce3e | 990 | return call_int_hook(cred_alloc_blank, 0, cred, gfp); |
ee18d64c DH |
991 | } |
992 | ||
d84f4f99 | 993 | void security_cred_free(struct cred *cred) |
20510f2f | 994 | { |
f25fce3e | 995 | call_void_hook(cred_free, cred); |
20510f2f JM |
996 | } |
997 | ||
d84f4f99 | 998 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 999 | { |
f25fce3e | 1000 | return call_int_hook(cred_prepare, 0, new, old, gfp); |
d84f4f99 DH |
1001 | } |
1002 | ||
ee18d64c DH |
1003 | void security_transfer_creds(struct cred *new, const struct cred *old) |
1004 | { | |
f25fce3e | 1005 | call_void_hook(cred_transfer, new, old); |
ee18d64c DH |
1006 | } |
1007 | ||
3a3b7ce9 DH |
1008 | int security_kernel_act_as(struct cred *new, u32 secid) |
1009 | { | |
f25fce3e | 1010 | return call_int_hook(kernel_act_as, 0, new, secid); |
3a3b7ce9 DH |
1011 | } |
1012 | ||
1013 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
1014 | { | |
f25fce3e | 1015 | return call_int_hook(kernel_create_files_as, 0, new, inode); |
3a3b7ce9 DH |
1016 | } |
1017 | ||
dd8dbf2e | 1018 | int security_kernel_module_request(char *kmod_name) |
9188499c | 1019 | { |
f25fce3e | 1020 | return call_int_hook(kernel_module_request, 0, kmod_name); |
9188499c EP |
1021 | } |
1022 | ||
39eeb4fb MZ |
1023 | int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) |
1024 | { | |
1025 | int ret; | |
1026 | ||
1027 | ret = call_int_hook(kernel_read_file, 0, file, id); | |
1028 | if (ret) | |
1029 | return ret; | |
1030 | return ima_read_file(file, id); | |
1031 | } | |
1032 | EXPORT_SYMBOL_GPL(security_kernel_read_file); | |
1033 | ||
bc8ca5b9 MZ |
1034 | int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, |
1035 | enum kernel_read_file_id id) | |
b44a7dfc | 1036 | { |
cf222217 MZ |
1037 | int ret; |
1038 | ||
1039 | ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); | |
1040 | if (ret) | |
1041 | return ret; | |
1042 | return ima_post_read_file(file, buf, size, id); | |
b44a7dfc MZ |
1043 | } |
1044 | EXPORT_SYMBOL_GPL(security_kernel_post_read_file); | |
1045 | ||
d84f4f99 DH |
1046 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
1047 | int flags) | |
20510f2f | 1048 | { |
f25fce3e | 1049 | return call_int_hook(task_fix_setuid, 0, new, old, flags); |
20510f2f JM |
1050 | } |
1051 | ||
20510f2f JM |
1052 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
1053 | { | |
f25fce3e | 1054 | return call_int_hook(task_setpgid, 0, p, pgid); |
20510f2f JM |
1055 | } |
1056 | ||
1057 | int security_task_getpgid(struct task_struct *p) | |
1058 | { | |
f25fce3e | 1059 | return call_int_hook(task_getpgid, 0, p); |
20510f2f JM |
1060 | } |
1061 | ||
1062 | int security_task_getsid(struct task_struct *p) | |
1063 | { | |
f25fce3e | 1064 | return call_int_hook(task_getsid, 0, p); |
20510f2f JM |
1065 | } |
1066 | ||
1067 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
1068 | { | |
b1d9e6b0 | 1069 | *secid = 0; |
f25fce3e | 1070 | call_void_hook(task_getsecid, p, secid); |
20510f2f JM |
1071 | } |
1072 | EXPORT_SYMBOL(security_task_getsecid); | |
1073 | ||
20510f2f JM |
1074 | int security_task_setnice(struct task_struct *p, int nice) |
1075 | { | |
f25fce3e | 1076 | return call_int_hook(task_setnice, 0, p, nice); |
20510f2f JM |
1077 | } |
1078 | ||
1079 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
1080 | { | |
f25fce3e | 1081 | return call_int_hook(task_setioprio, 0, p, ioprio); |
20510f2f JM |
1082 | } |
1083 | ||
1084 | int security_task_getioprio(struct task_struct *p) | |
1085 | { | |
f25fce3e | 1086 | return call_int_hook(task_getioprio, 0, p); |
20510f2f JM |
1087 | } |
1088 | ||
791ec491 SS |
1089 | int security_task_prlimit(const struct cred *cred, const struct cred *tcred, |
1090 | unsigned int flags) | |
1091 | { | |
1092 | return call_int_hook(task_prlimit, 0, cred, tcred, flags); | |
1093 | } | |
1094 | ||
8fd00b4d JS |
1095 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
1096 | struct rlimit *new_rlim) | |
20510f2f | 1097 | { |
f25fce3e | 1098 | return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); |
20510f2f JM |
1099 | } |
1100 | ||
b0ae1981 | 1101 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 1102 | { |
f25fce3e | 1103 | return call_int_hook(task_setscheduler, 0, p); |
20510f2f JM |
1104 | } |
1105 | ||
1106 | int security_task_getscheduler(struct task_struct *p) | |
1107 | { | |
f25fce3e | 1108 | return call_int_hook(task_getscheduler, 0, p); |
20510f2f JM |
1109 | } |
1110 | ||
1111 | int security_task_movememory(struct task_struct *p) | |
1112 | { | |
f25fce3e | 1113 | return call_int_hook(task_movememory, 0, p); |
20510f2f JM |
1114 | } |
1115 | ||
1116 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
1117 | int sig, u32 secid) | |
1118 | { | |
f25fce3e | 1119 | return call_int_hook(task_kill, 0, p, info, sig, secid); |
20510f2f JM |
1120 | } |
1121 | ||
20510f2f | 1122 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
d84f4f99 | 1123 | unsigned long arg4, unsigned long arg5) |
20510f2f | 1124 | { |
b1d9e6b0 CS |
1125 | int thisrc; |
1126 | int rc = -ENOSYS; | |
1127 | struct security_hook_list *hp; | |
1128 | ||
1129 | list_for_each_entry(hp, &security_hook_heads.task_prctl, list) { | |
1130 | thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); | |
1131 | if (thisrc != -ENOSYS) { | |
1132 | rc = thisrc; | |
1133 | if (thisrc != 0) | |
1134 | break; | |
1135 | } | |
1136 | } | |
1137 | return rc; | |
20510f2f JM |
1138 | } |
1139 | ||
1140 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
1141 | { | |
f25fce3e | 1142 | call_void_hook(task_to_inode, p, inode); |
20510f2f JM |
1143 | } |
1144 | ||
1145 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
1146 | { | |
f25fce3e | 1147 | return call_int_hook(ipc_permission, 0, ipcp, flag); |
20510f2f JM |
1148 | } |
1149 | ||
8a076191 AD |
1150 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
1151 | { | |
b1d9e6b0 | 1152 | *secid = 0; |
f25fce3e | 1153 | call_void_hook(ipc_getsecid, ipcp, secid); |
8a076191 AD |
1154 | } |
1155 | ||
20510f2f JM |
1156 | int security_msg_msg_alloc(struct msg_msg *msg) |
1157 | { | |
f25fce3e | 1158 | return call_int_hook(msg_msg_alloc_security, 0, msg); |
20510f2f JM |
1159 | } |
1160 | ||
1161 | void security_msg_msg_free(struct msg_msg *msg) | |
1162 | { | |
f25fce3e | 1163 | call_void_hook(msg_msg_free_security, msg); |
20510f2f JM |
1164 | } |
1165 | ||
1166 | int security_msg_queue_alloc(struct msg_queue *msq) | |
1167 | { | |
f25fce3e | 1168 | return call_int_hook(msg_queue_alloc_security, 0, msq); |
20510f2f JM |
1169 | } |
1170 | ||
1171 | void security_msg_queue_free(struct msg_queue *msq) | |
1172 | { | |
f25fce3e | 1173 | call_void_hook(msg_queue_free_security, msq); |
20510f2f JM |
1174 | } |
1175 | ||
1176 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
1177 | { | |
f25fce3e | 1178 | return call_int_hook(msg_queue_associate, 0, msq, msqflg); |
20510f2f JM |
1179 | } |
1180 | ||
1181 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
1182 | { | |
f25fce3e | 1183 | return call_int_hook(msg_queue_msgctl, 0, msq, cmd); |
20510f2f JM |
1184 | } |
1185 | ||
1186 | int security_msg_queue_msgsnd(struct msg_queue *msq, | |
1187 | struct msg_msg *msg, int msqflg) | |
1188 | { | |
f25fce3e | 1189 | return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); |
20510f2f JM |
1190 | } |
1191 | ||
1192 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
1193 | struct task_struct *target, long type, int mode) | |
1194 | { | |
f25fce3e | 1195 | return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); |
20510f2f JM |
1196 | } |
1197 | ||
1198 | int security_shm_alloc(struct shmid_kernel *shp) | |
1199 | { | |
f25fce3e | 1200 | return call_int_hook(shm_alloc_security, 0, shp); |
20510f2f JM |
1201 | } |
1202 | ||
1203 | void security_shm_free(struct shmid_kernel *shp) | |
1204 | { | |
f25fce3e | 1205 | call_void_hook(shm_free_security, shp); |
20510f2f JM |
1206 | } |
1207 | ||
1208 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) | |
1209 | { | |
f25fce3e | 1210 | return call_int_hook(shm_associate, 0, shp, shmflg); |
20510f2f JM |
1211 | } |
1212 | ||
1213 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
1214 | { | |
f25fce3e | 1215 | return call_int_hook(shm_shmctl, 0, shp, cmd); |
20510f2f JM |
1216 | } |
1217 | ||
1218 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) | |
1219 | { | |
f25fce3e | 1220 | return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); |
20510f2f JM |
1221 | } |
1222 | ||
1223 | int security_sem_alloc(struct sem_array *sma) | |
1224 | { | |
f25fce3e | 1225 | return call_int_hook(sem_alloc_security, 0, sma); |
20510f2f JM |
1226 | } |
1227 | ||
1228 | void security_sem_free(struct sem_array *sma) | |
1229 | { | |
f25fce3e | 1230 | call_void_hook(sem_free_security, sma); |
20510f2f JM |
1231 | } |
1232 | ||
1233 | int security_sem_associate(struct sem_array *sma, int semflg) | |
1234 | { | |
f25fce3e | 1235 | return call_int_hook(sem_associate, 0, sma, semflg); |
20510f2f JM |
1236 | } |
1237 | ||
1238 | int security_sem_semctl(struct sem_array *sma, int cmd) | |
1239 | { | |
f25fce3e | 1240 | return call_int_hook(sem_semctl, 0, sma, cmd); |
20510f2f JM |
1241 | } |
1242 | ||
1243 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
1244 | unsigned nsops, int alter) | |
1245 | { | |
f25fce3e | 1246 | return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); |
20510f2f JM |
1247 | } |
1248 | ||
1249 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1250 | { | |
1251 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1252 | return; | |
f25fce3e | 1253 | call_void_hook(d_instantiate, dentry, inode); |
20510f2f JM |
1254 | } |
1255 | EXPORT_SYMBOL(security_d_instantiate); | |
1256 | ||
1257 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1258 | { | |
b1d9e6b0 | 1259 | return call_int_hook(getprocattr, -EINVAL, p, name, value); |
20510f2f JM |
1260 | } |
1261 | ||
b21507e2 | 1262 | int security_setprocattr(const char *name, void *value, size_t size) |
20510f2f | 1263 | { |
b21507e2 | 1264 | return call_int_hook(setprocattr, -EINVAL, name, value, size); |
20510f2f JM |
1265 | } |
1266 | ||
1267 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1268 | { | |
f25fce3e | 1269 | return call_int_hook(netlink_send, 0, sk, skb); |
20510f2f | 1270 | } |
20510f2f | 1271 | |
746df9b5 DQ |
1272 | int security_ismaclabel(const char *name) |
1273 | { | |
f25fce3e | 1274 | return call_int_hook(ismaclabel, 0, name); |
746df9b5 DQ |
1275 | } |
1276 | EXPORT_SYMBOL(security_ismaclabel); | |
1277 | ||
20510f2f JM |
1278 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1279 | { | |
b1d9e6b0 CS |
1280 | return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, |
1281 | seclen); | |
20510f2f JM |
1282 | } |
1283 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1284 | ||
7bf570dc | 1285 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 | 1286 | { |
b1d9e6b0 | 1287 | *secid = 0; |
f25fce3e | 1288 | return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); |
63cb3449 DH |
1289 | } |
1290 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1291 | ||
20510f2f JM |
1292 | void security_release_secctx(char *secdata, u32 seclen) |
1293 | { | |
f25fce3e | 1294 | call_void_hook(release_secctx, secdata, seclen); |
20510f2f JM |
1295 | } |
1296 | EXPORT_SYMBOL(security_release_secctx); | |
1297 | ||
6f3be9f5 AG |
1298 | void security_inode_invalidate_secctx(struct inode *inode) |
1299 | { | |
1300 | call_void_hook(inode_invalidate_secctx, inode); | |
1301 | } | |
1302 | EXPORT_SYMBOL(security_inode_invalidate_secctx); | |
1303 | ||
1ee65e37 DQ |
1304 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1305 | { | |
f25fce3e | 1306 | return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); |
1ee65e37 DQ |
1307 | } |
1308 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1309 | ||
1310 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1311 | { | |
f25fce3e | 1312 | return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); |
1ee65e37 DQ |
1313 | } |
1314 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1315 | ||
1316 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1317 | { | |
b1d9e6b0 | 1318 | return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); |
1ee65e37 DQ |
1319 | } |
1320 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1321 | ||
20510f2f JM |
1322 | #ifdef CONFIG_SECURITY_NETWORK |
1323 | ||
3610cda5 | 1324 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f | 1325 | { |
f25fce3e | 1326 | return call_int_hook(unix_stream_connect, 0, sock, other, newsk); |
20510f2f JM |
1327 | } |
1328 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1329 | ||
1330 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1331 | { | |
f25fce3e | 1332 | return call_int_hook(unix_may_send, 0, sock, other); |
20510f2f JM |
1333 | } |
1334 | EXPORT_SYMBOL(security_unix_may_send); | |
1335 | ||
1336 | int security_socket_create(int family, int type, int protocol, int kern) | |
1337 | { | |
f25fce3e | 1338 | return call_int_hook(socket_create, 0, family, type, protocol, kern); |
20510f2f JM |
1339 | } |
1340 | ||
1341 | int security_socket_post_create(struct socket *sock, int family, | |
1342 | int type, int protocol, int kern) | |
1343 | { | |
f25fce3e | 1344 | return call_int_hook(socket_post_create, 0, sock, family, type, |
20510f2f JM |
1345 | protocol, kern); |
1346 | } | |
1347 | ||
1348 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) | |
1349 | { | |
f25fce3e | 1350 | return call_int_hook(socket_bind, 0, sock, address, addrlen); |
20510f2f JM |
1351 | } |
1352 | ||
1353 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1354 | { | |
f25fce3e | 1355 | return call_int_hook(socket_connect, 0, sock, address, addrlen); |
20510f2f JM |
1356 | } |
1357 | ||
1358 | int security_socket_listen(struct socket *sock, int backlog) | |
1359 | { | |
f25fce3e | 1360 | return call_int_hook(socket_listen, 0, sock, backlog); |
20510f2f JM |
1361 | } |
1362 | ||
1363 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1364 | { | |
f25fce3e | 1365 | return call_int_hook(socket_accept, 0, sock, newsock); |
20510f2f JM |
1366 | } |
1367 | ||
20510f2f JM |
1368 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1369 | { | |
f25fce3e | 1370 | return call_int_hook(socket_sendmsg, 0, sock, msg, size); |
20510f2f JM |
1371 | } |
1372 | ||
1373 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1374 | int size, int flags) | |
1375 | { | |
f25fce3e | 1376 | return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); |
20510f2f JM |
1377 | } |
1378 | ||
1379 | int security_socket_getsockname(struct socket *sock) | |
1380 | { | |
f25fce3e | 1381 | return call_int_hook(socket_getsockname, 0, sock); |
20510f2f JM |
1382 | } |
1383 | ||
1384 | int security_socket_getpeername(struct socket *sock) | |
1385 | { | |
f25fce3e | 1386 | return call_int_hook(socket_getpeername, 0, sock); |
20510f2f JM |
1387 | } |
1388 | ||
1389 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1390 | { | |
f25fce3e | 1391 | return call_int_hook(socket_getsockopt, 0, sock, level, optname); |
20510f2f JM |
1392 | } |
1393 | ||
1394 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1395 | { | |
f25fce3e | 1396 | return call_int_hook(socket_setsockopt, 0, sock, level, optname); |
20510f2f JM |
1397 | } |
1398 | ||
1399 | int security_socket_shutdown(struct socket *sock, int how) | |
1400 | { | |
f25fce3e | 1401 | return call_int_hook(socket_shutdown, 0, sock, how); |
20510f2f JM |
1402 | } |
1403 | ||
1404 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1405 | { | |
f25fce3e | 1406 | return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); |
20510f2f JM |
1407 | } |
1408 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1409 | ||
1410 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1411 | int __user *optlen, unsigned len) | |
1412 | { | |
b1d9e6b0 CS |
1413 | return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, |
1414 | optval, optlen, len); | |
20510f2f JM |
1415 | } |
1416 | ||
1417 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1418 | { | |
e308fd3b JB |
1419 | return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, |
1420 | skb, secid); | |
20510f2f JM |
1421 | } |
1422 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1423 | ||
1424 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1425 | { | |
f25fce3e | 1426 | return call_int_hook(sk_alloc_security, 0, sk, family, priority); |
20510f2f JM |
1427 | } |
1428 | ||
1429 | void security_sk_free(struct sock *sk) | |
1430 | { | |
f25fce3e | 1431 | call_void_hook(sk_free_security, sk); |
20510f2f JM |
1432 | } |
1433 | ||
1434 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1435 | { | |
f25fce3e | 1436 | call_void_hook(sk_clone_security, sk, newsk); |
20510f2f | 1437 | } |
6230c9b4 | 1438 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1439 | |
1440 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1441 | { | |
f25fce3e | 1442 | call_void_hook(sk_getsecid, sk, &fl->flowi_secid); |
20510f2f JM |
1443 | } |
1444 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1445 | ||
1446 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1447 | { | |
f25fce3e | 1448 | call_void_hook(req_classify_flow, req, fl); |
20510f2f JM |
1449 | } |
1450 | EXPORT_SYMBOL(security_req_classify_flow); | |
1451 | ||
1452 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1453 | { | |
f25fce3e | 1454 | call_void_hook(sock_graft, sk, parent); |
20510f2f JM |
1455 | } |
1456 | EXPORT_SYMBOL(security_sock_graft); | |
1457 | ||
1458 | int security_inet_conn_request(struct sock *sk, | |
1459 | struct sk_buff *skb, struct request_sock *req) | |
1460 | { | |
f25fce3e | 1461 | return call_int_hook(inet_conn_request, 0, sk, skb, req); |
20510f2f JM |
1462 | } |
1463 | EXPORT_SYMBOL(security_inet_conn_request); | |
1464 | ||
1465 | void security_inet_csk_clone(struct sock *newsk, | |
1466 | const struct request_sock *req) | |
1467 | { | |
f25fce3e | 1468 | call_void_hook(inet_csk_clone, newsk, req); |
20510f2f JM |
1469 | } |
1470 | ||
1471 | void security_inet_conn_established(struct sock *sk, | |
1472 | struct sk_buff *skb) | |
1473 | { | |
f25fce3e | 1474 | call_void_hook(inet_conn_established, sk, skb); |
20510f2f JM |
1475 | } |
1476 | ||
2606fd1f EP |
1477 | int security_secmark_relabel_packet(u32 secid) |
1478 | { | |
f25fce3e | 1479 | return call_int_hook(secmark_relabel_packet, 0, secid); |
2606fd1f EP |
1480 | } |
1481 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1482 | ||
1483 | void security_secmark_refcount_inc(void) | |
1484 | { | |
f25fce3e | 1485 | call_void_hook(secmark_refcount_inc); |
2606fd1f EP |
1486 | } |
1487 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1488 | ||
1489 | void security_secmark_refcount_dec(void) | |
1490 | { | |
f25fce3e | 1491 | call_void_hook(secmark_refcount_dec); |
2606fd1f EP |
1492 | } |
1493 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1494 | ||
5dbbaf2d PM |
1495 | int security_tun_dev_alloc_security(void **security) |
1496 | { | |
f25fce3e | 1497 | return call_int_hook(tun_dev_alloc_security, 0, security); |
5dbbaf2d PM |
1498 | } |
1499 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1500 | ||
1501 | void security_tun_dev_free_security(void *security) | |
1502 | { | |
f25fce3e | 1503 | call_void_hook(tun_dev_free_security, security); |
5dbbaf2d PM |
1504 | } |
1505 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1506 | ||
2b980dbd PM |
1507 | int security_tun_dev_create(void) |
1508 | { | |
f25fce3e | 1509 | return call_int_hook(tun_dev_create, 0); |
2b980dbd PM |
1510 | } |
1511 | EXPORT_SYMBOL(security_tun_dev_create); | |
1512 | ||
5dbbaf2d | 1513 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1514 | { |
f25fce3e | 1515 | return call_int_hook(tun_dev_attach_queue, 0, security); |
2b980dbd | 1516 | } |
5dbbaf2d | 1517 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1518 | |
5dbbaf2d | 1519 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1520 | { |
f25fce3e | 1521 | return call_int_hook(tun_dev_attach, 0, sk, security); |
2b980dbd PM |
1522 | } |
1523 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1524 | ||
5dbbaf2d PM |
1525 | int security_tun_dev_open(void *security) |
1526 | { | |
f25fce3e | 1527 | return call_int_hook(tun_dev_open, 0, security); |
5dbbaf2d PM |
1528 | } |
1529 | EXPORT_SYMBOL(security_tun_dev_open); | |
1530 | ||
20510f2f JM |
1531 | #endif /* CONFIG_SECURITY_NETWORK */ |
1532 | ||
d291f1a6 DJ |
1533 | #ifdef CONFIG_SECURITY_INFINIBAND |
1534 | ||
1535 | int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey) | |
1536 | { | |
1537 | return call_int_hook(ib_pkey_access, 0, sec, subnet_prefix, pkey); | |
1538 | } | |
1539 | EXPORT_SYMBOL(security_ib_pkey_access); | |
1540 | ||
47a2b338 DJ |
1541 | int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num) |
1542 | { | |
1543 | return call_int_hook(ib_endport_manage_subnet, 0, sec, dev_name, port_num); | |
1544 | } | |
1545 | EXPORT_SYMBOL(security_ib_endport_manage_subnet); | |
1546 | ||
d291f1a6 DJ |
1547 | int security_ib_alloc_security(void **sec) |
1548 | { | |
1549 | return call_int_hook(ib_alloc_security, 0, sec); | |
1550 | } | |
1551 | EXPORT_SYMBOL(security_ib_alloc_security); | |
1552 | ||
1553 | void security_ib_free_security(void *sec) | |
1554 | { | |
1555 | call_void_hook(ib_free_security, sec); | |
1556 | } | |
1557 | EXPORT_SYMBOL(security_ib_free_security); | |
1558 | #endif /* CONFIG_SECURITY_INFINIBAND */ | |
1559 | ||
20510f2f JM |
1560 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1561 | ||
52a4c640 NA |
1562 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1563 | struct xfrm_user_sec_ctx *sec_ctx, | |
1564 | gfp_t gfp) | |
20510f2f | 1565 | { |
f25fce3e | 1566 | return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); |
20510f2f JM |
1567 | } |
1568 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1569 | ||
03e1ad7b PM |
1570 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1571 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1572 | { |
f25fce3e | 1573 | return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); |
20510f2f JM |
1574 | } |
1575 | ||
03e1ad7b | 1576 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1577 | { |
f25fce3e | 1578 | call_void_hook(xfrm_policy_free_security, ctx); |
20510f2f JM |
1579 | } |
1580 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1581 | ||
03e1ad7b | 1582 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1583 | { |
f25fce3e | 1584 | return call_int_hook(xfrm_policy_delete_security, 0, ctx); |
20510f2f JM |
1585 | } |
1586 | ||
2e5aa866 PM |
1587 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1588 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1589 | { |
f25fce3e | 1590 | return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); |
20510f2f JM |
1591 | } |
1592 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1593 | ||
1594 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1595 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1596 | { | |
f25fce3e | 1597 | return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); |
20510f2f JM |
1598 | } |
1599 | ||
1600 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1601 | { | |
f25fce3e | 1602 | return call_int_hook(xfrm_state_delete_security, 0, x); |
20510f2f JM |
1603 | } |
1604 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1605 | ||
1606 | void security_xfrm_state_free(struct xfrm_state *x) | |
1607 | { | |
f25fce3e | 1608 | call_void_hook(xfrm_state_free_security, x); |
20510f2f JM |
1609 | } |
1610 | ||
03e1ad7b | 1611 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1612 | { |
f25fce3e | 1613 | return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); |
20510f2f JM |
1614 | } |
1615 | ||
1616 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1617 | struct xfrm_policy *xp, |
1618 | const struct flowi *fl) | |
20510f2f | 1619 | { |
b1d9e6b0 CS |
1620 | struct security_hook_list *hp; |
1621 | int rc = 1; | |
1622 | ||
1623 | /* | |
1624 | * Since this function is expected to return 0 or 1, the judgment | |
1625 | * becomes difficult if multiple LSMs supply this call. Fortunately, | |
1626 | * we can use the first LSM's judgment because currently only SELinux | |
1627 | * supplies this call. | |
1628 | * | |
1629 | * For speed optimization, we explicitly break the loop rather than | |
1630 | * using the macro | |
1631 | */ | |
1632 | list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, | |
1633 | list) { | |
1634 | rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); | |
1635 | break; | |
1636 | } | |
1637 | return rc; | |
20510f2f JM |
1638 | } |
1639 | ||
1640 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1641 | { | |
f25fce3e | 1642 | return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); |
20510f2f JM |
1643 | } |
1644 | ||
1645 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1646 | { | |
f25fce3e CS |
1647 | int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, |
1648 | 0); | |
20510f2f JM |
1649 | |
1650 | BUG_ON(rc); | |
1651 | } | |
1652 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1653 | ||
1654 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1655 | ||
1656 | #ifdef CONFIG_KEYS | |
1657 | ||
d84f4f99 DH |
1658 | int security_key_alloc(struct key *key, const struct cred *cred, |
1659 | unsigned long flags) | |
20510f2f | 1660 | { |
f25fce3e | 1661 | return call_int_hook(key_alloc, 0, key, cred, flags); |
20510f2f JM |
1662 | } |
1663 | ||
1664 | void security_key_free(struct key *key) | |
1665 | { | |
f25fce3e | 1666 | call_void_hook(key_free, key); |
20510f2f JM |
1667 | } |
1668 | ||
1669 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1670 | const struct cred *cred, unsigned perm) |
20510f2f | 1671 | { |
f25fce3e | 1672 | return call_int_hook(key_permission, 0, key_ref, cred, perm); |
20510f2f JM |
1673 | } |
1674 | ||
70a5bb72 DH |
1675 | int security_key_getsecurity(struct key *key, char **_buffer) |
1676 | { | |
b1d9e6b0 | 1677 | *_buffer = NULL; |
f25fce3e | 1678 | return call_int_hook(key_getsecurity, 0, key, _buffer); |
70a5bb72 DH |
1679 | } |
1680 | ||
20510f2f | 1681 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1682 | |
1683 | #ifdef CONFIG_AUDIT | |
1684 | ||
1685 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1686 | { | |
f25fce3e | 1687 | return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); |
03d37d25 AD |
1688 | } |
1689 | ||
1690 | int security_audit_rule_known(struct audit_krule *krule) | |
1691 | { | |
f25fce3e | 1692 | return call_int_hook(audit_rule_known, 0, krule); |
03d37d25 AD |
1693 | } |
1694 | ||
1695 | void security_audit_rule_free(void *lsmrule) | |
1696 | { | |
f25fce3e | 1697 | call_void_hook(audit_rule_free, lsmrule); |
03d37d25 AD |
1698 | } |
1699 | ||
1700 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1701 | struct audit_context *actx) | |
1702 | { | |
f25fce3e CS |
1703 | return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, |
1704 | actx); | |
03d37d25 | 1705 | } |
b1d9e6b0 | 1706 | #endif /* CONFIG_AUDIT */ |
afdb09c7 CF |
1707 | |
1708 | #ifdef CONFIG_BPF_SYSCALL | |
1709 | int security_bpf(int cmd, union bpf_attr *attr, unsigned int size) | |
1710 | { | |
1711 | return call_int_hook(bpf, 0, cmd, attr, size); | |
1712 | } | |
1713 | int security_bpf_map(struct bpf_map *map, fmode_t fmode) | |
1714 | { | |
1715 | return call_int_hook(bpf_map, 0, map, fmode); | |
1716 | } | |
1717 | int security_bpf_prog(struct bpf_prog *prog) | |
1718 | { | |
1719 | return call_int_hook(bpf_prog, 0, prog); | |
1720 | } | |
1721 | int security_bpf_map_alloc(struct bpf_map *map) | |
1722 | { | |
1723 | return call_int_hook(bpf_map_alloc_security, 0, map); | |
1724 | } | |
1725 | int security_bpf_prog_alloc(struct bpf_prog_aux *aux) | |
1726 | { | |
1727 | return call_int_hook(bpf_prog_alloc_security, 0, aux); | |
1728 | } | |
1729 | void security_bpf_map_free(struct bpf_map *map) | |
1730 | { | |
1731 | call_void_hook(bpf_map_free_security, map); | |
1732 | } | |
1733 | void security_bpf_prog_free(struct bpf_prog_aux *aux) | |
1734 | { | |
1735 | call_void_hook(bpf_prog_free_security, aux); | |
1736 | } | |
1737 | #endif /* CONFIG_BPF_SYSCALL */ |