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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 | ||
c59ede7b | 15 | #include <linux/capability.h> |
d47be3df | 16 | #include <linux/dcache.h> |
1da177e4 LT |
17 | #include <linux/module.h> |
18 | #include <linux/init.h> | |
19 | #include <linux/kernel.h> | |
3c4ed7bd | 20 | #include <linux/lsm_hooks.h> |
f381c272 | 21 | #include <linux/integrity.h> |
6c21a7fb | 22 | #include <linux/ima.h> |
3e1be52d | 23 | #include <linux/evm.h> |
40401530 | 24 | #include <linux/fsnotify.h> |
8b3ec681 AV |
25 | #include <linux/mman.h> |
26 | #include <linux/mount.h> | |
27 | #include <linux/personality.h> | |
75331a59 | 28 | #include <linux/backing-dev.h> |
3bb857e4 | 29 | #include <linux/string.h> |
40401530 | 30 | #include <net/flow.h> |
1da177e4 | 31 | |
823eb1cc | 32 | #define MAX_LSM_EVM_XATTR 2 |
1da177e4 | 33 | |
b1d9e6b0 CS |
34 | /* Maximum number of letters for an LSM name string */ |
35 | #define SECURITY_NAME_MAX 10 | |
36 | ||
3dfc9b02 | 37 | struct security_hook_heads security_hook_heads __lsm_ro_after_init; |
8f408ab6 DJ |
38 | static ATOMIC_NOTIFIER_HEAD(lsm_notifier_chain); |
39 | ||
d69dece5 | 40 | char *lsm_names; |
076c54c5 | 41 | /* Boot-time LSM user choice */ |
6e65f92f JJ |
42 | static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = |
43 | CONFIG_DEFAULT_SECURITY; | |
1da177e4 | 44 | |
1da177e4 LT |
45 | static void __init do_security_initcalls(void) |
46 | { | |
47 | initcall_t *call; | |
48 | call = __security_initcall_start; | |
49 | while (call < __security_initcall_end) { | |
50 | (*call) (); | |
51 | call++; | |
52 | } | |
53 | } | |
54 | ||
55 | /** | |
56 | * security_init - initializes the security framework | |
57 | * | |
58 | * This should be called early in the kernel initialization sequence. | |
59 | */ | |
60 | int __init security_init(void) | |
61 | { | |
3dfc9b02 TH |
62 | int i; |
63 | struct list_head *list = (struct list_head *) &security_hook_heads; | |
64 | ||
65 | for (i = 0; i < sizeof(security_hook_heads) / sizeof(struct list_head); | |
66 | i++) | |
67 | INIT_LIST_HEAD(&list[i]); | |
b1d9e6b0 | 68 | pr_info("Security Framework initialized\n"); |
1da177e4 | 69 | |
b1d9e6b0 | 70 | /* |
730daa16 | 71 | * Load minor LSMs, with the capability module always first. |
b1d9e6b0 CS |
72 | */ |
73 | capability_add_hooks(); | |
b1d9e6b0 | 74 | yama_add_hooks(); |
9b091556 | 75 | loadpin_add_hooks(); |
730daa16 | 76 | |
b1d9e6b0 | 77 | /* |
730daa16 | 78 | * Load all the remaining security modules. |
b1d9e6b0 | 79 | */ |
1da177e4 LT |
80 | do_security_initcalls(); |
81 | ||
82 | return 0; | |
83 | } | |
84 | ||
076c54c5 AD |
85 | /* Save user chosen LSM */ |
86 | static int __init choose_lsm(char *str) | |
87 | { | |
88 | strncpy(chosen_lsm, str, SECURITY_NAME_MAX); | |
89 | return 1; | |
90 | } | |
91 | __setup("security=", choose_lsm); | |
92 | ||
3bb857e4 MS |
93 | static bool match_last_lsm(const char *list, const char *lsm) |
94 | { | |
95 | const char *last; | |
96 | ||
97 | if (WARN_ON(!list || !lsm)) | |
98 | return false; | |
99 | last = strrchr(list, ','); | |
100 | if (last) | |
101 | /* Pass the comma, strcmp() will check for '\0' */ | |
102 | last++; | |
103 | else | |
104 | last = list; | |
105 | return !strcmp(last, lsm); | |
106 | } | |
107 | ||
d69dece5 CS |
108 | static int lsm_append(char *new, char **result) |
109 | { | |
110 | char *cp; | |
111 | ||
112 | if (*result == NULL) { | |
113 | *result = kstrdup(new, GFP_KERNEL); | |
55bdb77a EB |
114 | if (*result == NULL) |
115 | return -ENOMEM; | |
d69dece5 | 116 | } else { |
3bb857e4 MS |
117 | /* Check if it is the last registered name */ |
118 | if (match_last_lsm(*result, new)) | |
119 | return 0; | |
d69dece5 CS |
120 | cp = kasprintf(GFP_KERNEL, "%s,%s", *result, new); |
121 | if (cp == NULL) | |
122 | return -ENOMEM; | |
123 | kfree(*result); | |
124 | *result = cp; | |
125 | } | |
126 | return 0; | |
127 | } | |
128 | ||
076c54c5 AD |
129 | /** |
130 | * security_module_enable - Load given security module on boot ? | |
b1d9e6b0 | 131 | * @module: the name of the module |
076c54c5 AD |
132 | * |
133 | * Each LSM must pass this method before registering its own operations | |
134 | * to avoid security registration races. This method may also be used | |
7cea51be | 135 | * to check if your LSM is currently loaded during kernel initialization. |
076c54c5 | 136 | * |
0e056eb5 | 137 | * Returns: |
138 | * | |
139 | * true if: | |
140 | * | |
141 | * - The passed LSM is the one chosen by user at boot time, | |
142 | * - or the passed LSM is configured as the default and the user did not | |
143 | * choose an alternate LSM at boot time. | |
144 | * | |
076c54c5 AD |
145 | * Otherwise, return false. |
146 | */ | |
b1d9e6b0 | 147 | int __init security_module_enable(const char *module) |
076c54c5 | 148 | { |
b1d9e6b0 | 149 | return !strcmp(module, chosen_lsm); |
076c54c5 AD |
150 | } |
151 | ||
d69dece5 CS |
152 | /** |
153 | * security_add_hooks - Add a modules hooks to the hook lists. | |
154 | * @hooks: the hooks to add | |
155 | * @count: the number of hooks to add | |
156 | * @lsm: the name of the security module | |
157 | * | |
158 | * Each LSM has to register its hooks with the infrastructure. | |
159 | */ | |
160 | void __init security_add_hooks(struct security_hook_list *hooks, int count, | |
161 | char *lsm) | |
162 | { | |
163 | int i; | |
164 | ||
165 | for (i = 0; i < count; i++) { | |
166 | hooks[i].lsm = lsm; | |
167 | list_add_tail_rcu(&hooks[i].list, hooks[i].head); | |
168 | } | |
169 | if (lsm_append(lsm, &lsm_names) < 0) | |
170 | panic("%s - Cannot get early memory.\n", __func__); | |
171 | } | |
172 | ||
8f408ab6 DJ |
173 | int call_lsm_notifier(enum lsm_event event, void *data) |
174 | { | |
175 | return atomic_notifier_call_chain(&lsm_notifier_chain, event, data); | |
176 | } | |
177 | EXPORT_SYMBOL(call_lsm_notifier); | |
178 | ||
179 | int register_lsm_notifier(struct notifier_block *nb) | |
180 | { | |
181 | return atomic_notifier_chain_register(&lsm_notifier_chain, nb); | |
182 | } | |
183 | EXPORT_SYMBOL(register_lsm_notifier); | |
184 | ||
185 | int unregister_lsm_notifier(struct notifier_block *nb) | |
186 | { | |
187 | return atomic_notifier_chain_unregister(&lsm_notifier_chain, nb); | |
188 | } | |
189 | EXPORT_SYMBOL(unregister_lsm_notifier); | |
190 | ||
f25fce3e | 191 | /* |
b1d9e6b0 | 192 | * Hook list operation macros. |
1da177e4 | 193 | * |
f25fce3e CS |
194 | * call_void_hook: |
195 | * This is a hook that does not return a value. | |
1da177e4 | 196 | * |
f25fce3e CS |
197 | * call_int_hook: |
198 | * This is a hook that returns a value. | |
1da177e4 | 199 | */ |
1da177e4 | 200 | |
b1d9e6b0 CS |
201 | #define call_void_hook(FUNC, ...) \ |
202 | do { \ | |
203 | struct security_hook_list *P; \ | |
204 | \ | |
205 | list_for_each_entry(P, &security_hook_heads.FUNC, list) \ | |
206 | P->hook.FUNC(__VA_ARGS__); \ | |
207 | } while (0) | |
208 | ||
209 | #define call_int_hook(FUNC, IRC, ...) ({ \ | |
210 | int RC = IRC; \ | |
211 | do { \ | |
212 | struct security_hook_list *P; \ | |
213 | \ | |
214 | list_for_each_entry(P, &security_hook_heads.FUNC, list) { \ | |
215 | RC = P->hook.FUNC(__VA_ARGS__); \ | |
216 | if (RC != 0) \ | |
217 | break; \ | |
218 | } \ | |
219 | } while (0); \ | |
220 | RC; \ | |
221 | }) | |
1da177e4 | 222 | |
20510f2f JM |
223 | /* Security operations */ |
224 | ||
79af7307 SS |
225 | int security_binder_set_context_mgr(struct task_struct *mgr) |
226 | { | |
f25fce3e | 227 | return call_int_hook(binder_set_context_mgr, 0, mgr); |
79af7307 SS |
228 | } |
229 | ||
230 | int security_binder_transaction(struct task_struct *from, | |
231 | struct task_struct *to) | |
232 | { | |
f25fce3e | 233 | return call_int_hook(binder_transaction, 0, from, to); |
79af7307 SS |
234 | } |
235 | ||
236 | int security_binder_transfer_binder(struct task_struct *from, | |
237 | struct task_struct *to) | |
238 | { | |
f25fce3e | 239 | return call_int_hook(binder_transfer_binder, 0, from, to); |
79af7307 SS |
240 | } |
241 | ||
242 | int security_binder_transfer_file(struct task_struct *from, | |
243 | struct task_struct *to, struct file *file) | |
244 | { | |
f25fce3e | 245 | return call_int_hook(binder_transfer_file, 0, from, to, file); |
79af7307 SS |
246 | } |
247 | ||
9e48858f | 248 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 249 | { |
f25fce3e | 250 | return call_int_hook(ptrace_access_check, 0, child, mode); |
5cd9c58f DH |
251 | } |
252 | ||
253 | int security_ptrace_traceme(struct task_struct *parent) | |
254 | { | |
f25fce3e | 255 | return call_int_hook(ptrace_traceme, 0, parent); |
20510f2f JM |
256 | } |
257 | ||
258 | int security_capget(struct task_struct *target, | |
259 | kernel_cap_t *effective, | |
260 | kernel_cap_t *inheritable, | |
261 | kernel_cap_t *permitted) | |
262 | { | |
f25fce3e CS |
263 | return call_int_hook(capget, 0, target, |
264 | effective, inheritable, permitted); | |
20510f2f JM |
265 | } |
266 | ||
d84f4f99 DH |
267 | int security_capset(struct cred *new, const struct cred *old, |
268 | const kernel_cap_t *effective, | |
269 | const kernel_cap_t *inheritable, | |
270 | const kernel_cap_t *permitted) | |
20510f2f | 271 | { |
f25fce3e CS |
272 | return call_int_hook(capset, 0, new, old, |
273 | effective, inheritable, permitted); | |
20510f2f JM |
274 | } |
275 | ||
b7e724d3 | 276 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 277 | int cap) |
20510f2f | 278 | { |
f25fce3e | 279 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
280 | } |
281 | ||
c7eba4a9 EP |
282 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
283 | int cap) | |
06112163 | 284 | { |
f25fce3e | 285 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
286 | } |
287 | ||
20510f2f JM |
288 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
289 | { | |
f25fce3e | 290 | return call_int_hook(quotactl, 0, cmds, type, id, sb); |
20510f2f JM |
291 | } |
292 | ||
293 | int security_quota_on(struct dentry *dentry) | |
294 | { | |
f25fce3e | 295 | return call_int_hook(quota_on, 0, dentry); |
20510f2f JM |
296 | } |
297 | ||
12b3052c | 298 | int security_syslog(int type) |
20510f2f | 299 | { |
f25fce3e | 300 | return call_int_hook(syslog, 0, type); |
20510f2f JM |
301 | } |
302 | ||
457db29b | 303 | int security_settime64(const struct timespec64 *ts, const struct timezone *tz) |
20510f2f | 304 | { |
f25fce3e | 305 | return call_int_hook(settime, 0, ts, tz); |
20510f2f JM |
306 | } |
307 | ||
20510f2f JM |
308 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
309 | { | |
b1d9e6b0 CS |
310 | struct security_hook_list *hp; |
311 | int cap_sys_admin = 1; | |
312 | int rc; | |
313 | ||
314 | /* | |
315 | * The module will respond with a positive value if | |
316 | * it thinks the __vm_enough_memory() call should be | |
317 | * made with the cap_sys_admin set. If all of the modules | |
318 | * agree that it should be set it will. If any module | |
319 | * thinks it should not be set it won't. | |
320 | */ | |
321 | list_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) { | |
322 | rc = hp->hook.vm_enough_memory(mm, pages); | |
323 | if (rc <= 0) { | |
324 | cap_sys_admin = 0; | |
325 | break; | |
326 | } | |
327 | } | |
328 | return __vm_enough_memory(mm, pages, cap_sys_admin); | |
20510f2f JM |
329 | } |
330 | ||
a6f76f23 | 331 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 332 | { |
f25fce3e | 333 | return call_int_hook(bprm_set_creds, 0, bprm); |
20510f2f JM |
334 | } |
335 | ||
a6f76f23 | 336 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 337 | { |
6c21a7fb MZ |
338 | int ret; |
339 | ||
f25fce3e | 340 | ret = call_int_hook(bprm_check_security, 0, bprm); |
6c21a7fb MZ |
341 | if (ret) |
342 | return ret; | |
343 | return ima_bprm_check(bprm); | |
20510f2f JM |
344 | } |
345 | ||
a6f76f23 | 346 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 347 | { |
f25fce3e | 348 | call_void_hook(bprm_committing_creds, bprm); |
20510f2f JM |
349 | } |
350 | ||
a6f76f23 | 351 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 352 | { |
f25fce3e | 353 | call_void_hook(bprm_committed_creds, bprm); |
20510f2f JM |
354 | } |
355 | ||
20510f2f JM |
356 | int security_sb_alloc(struct super_block *sb) |
357 | { | |
f25fce3e | 358 | return call_int_hook(sb_alloc_security, 0, sb); |
20510f2f JM |
359 | } |
360 | ||
361 | void security_sb_free(struct super_block *sb) | |
362 | { | |
f25fce3e | 363 | call_void_hook(sb_free_security, sb); |
20510f2f JM |
364 | } |
365 | ||
e0007529 | 366 | int security_sb_copy_data(char *orig, char *copy) |
20510f2f | 367 | { |
f25fce3e | 368 | return call_int_hook(sb_copy_data, 0, orig, copy); |
20510f2f | 369 | } |
e0007529 | 370 | EXPORT_SYMBOL(security_sb_copy_data); |
20510f2f | 371 | |
ff36fe2c EP |
372 | int security_sb_remount(struct super_block *sb, void *data) |
373 | { | |
f25fce3e | 374 | return call_int_hook(sb_remount, 0, sb, data); |
ff36fe2c EP |
375 | } |
376 | ||
12204e24 | 377 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
20510f2f | 378 | { |
f25fce3e | 379 | return call_int_hook(sb_kern_mount, 0, sb, flags, data); |
20510f2f JM |
380 | } |
381 | ||
2069f457 EP |
382 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
383 | { | |
f25fce3e | 384 | return call_int_hook(sb_show_options, 0, m, sb); |
2069f457 EP |
385 | } |
386 | ||
20510f2f JM |
387 | int security_sb_statfs(struct dentry *dentry) |
388 | { | |
f25fce3e | 389 | return call_int_hook(sb_statfs, 0, dentry); |
20510f2f JM |
390 | } |
391 | ||
8a04c43b | 392 | int security_sb_mount(const char *dev_name, const struct path *path, |
808d4e3c | 393 | const char *type, unsigned long flags, void *data) |
20510f2f | 394 | { |
f25fce3e | 395 | return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data); |
20510f2f JM |
396 | } |
397 | ||
20510f2f JM |
398 | int security_sb_umount(struct vfsmount *mnt, int flags) |
399 | { | |
f25fce3e | 400 | return call_int_hook(sb_umount, 0, mnt, flags); |
20510f2f JM |
401 | } |
402 | ||
3b73b68c | 403 | int security_sb_pivotroot(const struct path *old_path, const struct path *new_path) |
20510f2f | 404 | { |
f25fce3e | 405 | return call_int_hook(sb_pivotroot, 0, old_path, new_path); |
20510f2f JM |
406 | } |
407 | ||
c9180a57 | 408 | int security_sb_set_mnt_opts(struct super_block *sb, |
649f6e77 DQ |
409 | struct security_mnt_opts *opts, |
410 | unsigned long kern_flags, | |
411 | unsigned long *set_kern_flags) | |
c9180a57 | 412 | { |
b1d9e6b0 CS |
413 | return call_int_hook(sb_set_mnt_opts, |
414 | opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb, | |
415 | opts, kern_flags, set_kern_flags); | |
c9180a57 | 416 | } |
e0007529 | 417 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 418 | |
094f7b69 | 419 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
0b4d3452 SM |
420 | struct super_block *newsb, |
421 | unsigned long kern_flags, | |
422 | unsigned long *set_kern_flags) | |
c9180a57 | 423 | { |
0b4d3452 SM |
424 | return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb, |
425 | kern_flags, set_kern_flags); | |
c9180a57 | 426 | } |
e0007529 EP |
427 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
428 | ||
429 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
430 | { | |
f25fce3e | 431 | return call_int_hook(sb_parse_opts_str, 0, options, opts); |
e0007529 EP |
432 | } |
433 | EXPORT_SYMBOL(security_sb_parse_opts_str); | |
c9180a57 | 434 | |
20510f2f JM |
435 | int security_inode_alloc(struct inode *inode) |
436 | { | |
437 | inode->i_security = NULL; | |
f25fce3e | 438 | return call_int_hook(inode_alloc_security, 0, inode); |
20510f2f JM |
439 | } |
440 | ||
441 | void security_inode_free(struct inode *inode) | |
442 | { | |
f381c272 | 443 | integrity_inode_free(inode); |
f25fce3e | 444 | call_void_hook(inode_free_security, inode); |
20510f2f JM |
445 | } |
446 | ||
d47be3df | 447 | int security_dentry_init_security(struct dentry *dentry, int mode, |
4f3ccd76 | 448 | const struct qstr *name, void **ctx, |
d47be3df DQ |
449 | u32 *ctxlen) |
450 | { | |
b1d9e6b0 CS |
451 | return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode, |
452 | name, ctx, ctxlen); | |
d47be3df DQ |
453 | } |
454 | EXPORT_SYMBOL(security_dentry_init_security); | |
455 | ||
2602625b VG |
456 | int security_dentry_create_files_as(struct dentry *dentry, int mode, |
457 | struct qstr *name, | |
458 | const struct cred *old, struct cred *new) | |
459 | { | |
460 | return call_int_hook(dentry_create_files_as, 0, dentry, mode, | |
461 | name, old, new); | |
462 | } | |
463 | EXPORT_SYMBOL(security_dentry_create_files_as); | |
464 | ||
20510f2f | 465 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
466 | const struct qstr *qstr, |
467 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 468 | { |
823eb1cc MZ |
469 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
470 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
471 | int ret; |
472 | ||
20510f2f | 473 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 474 | return 0; |
9d8f13ba | 475 | |
9d8f13ba | 476 | if (!initxattrs) |
e308fd3b JB |
477 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, |
478 | dir, qstr, NULL, NULL, NULL); | |
9548906b | 479 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
9d8f13ba | 480 | lsm_xattr = new_xattrs; |
b1d9e6b0 | 481 | ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, |
9d8f13ba MZ |
482 | &lsm_xattr->name, |
483 | &lsm_xattr->value, | |
484 | &lsm_xattr->value_len); | |
485 | if (ret) | |
486 | goto out; | |
823eb1cc MZ |
487 | |
488 | evm_xattr = lsm_xattr + 1; | |
489 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
490 | if (ret) | |
491 | goto out; | |
9d8f13ba MZ |
492 | ret = initxattrs(inode, new_xattrs, fs_data); |
493 | out: | |
9548906b | 494 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
823eb1cc | 495 | kfree(xattr->value); |
9d8f13ba MZ |
496 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
497 | } | |
498 | EXPORT_SYMBOL(security_inode_init_security); | |
499 | ||
500 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 501 | const struct qstr *qstr, const char **name, |
9d8f13ba | 502 | void **value, size_t *len) |
20510f2f JM |
503 | { |
504 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 505 | return -EOPNOTSUPP; |
e308fd3b JB |
506 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, |
507 | qstr, name, value, len); | |
20510f2f | 508 | } |
9d8f13ba | 509 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 510 | |
be6d3e56 | 511 | #ifdef CONFIG_SECURITY_PATH |
d3607752 | 512 | int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
513 | unsigned int dev) |
514 | { | |
c6f493d6 | 515 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 516 | return 0; |
f25fce3e | 517 | return call_int_hook(path_mknod, 0, dir, dentry, mode, dev); |
be6d3e56 KT |
518 | } |
519 | EXPORT_SYMBOL(security_path_mknod); | |
520 | ||
d3607752 | 521 | int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 522 | { |
c6f493d6 | 523 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 524 | return 0; |
f25fce3e | 525 | return call_int_hook(path_mkdir, 0, dir, dentry, mode); |
be6d3e56 | 526 | } |
82140443 | 527 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 528 | |
989f74e0 | 529 | int security_path_rmdir(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 530 | { |
c6f493d6 | 531 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 532 | return 0; |
f25fce3e | 533 | return call_int_hook(path_rmdir, 0, dir, dentry); |
be6d3e56 KT |
534 | } |
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 KT |
550 | } |
551 | ||
3ccee46a | 552 | int security_path_link(struct dentry *old_dentry, const struct path *new_dir, |
be6d3e56 KT |
553 | struct dentry *new_dentry) |
554 | { | |
c6f493d6 | 555 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
be6d3e56 | 556 | return 0; |
f25fce3e | 557 | return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry); |
be6d3e56 KT |
558 | } |
559 | ||
3ccee46a AV |
560 | int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, |
561 | const struct path *new_dir, struct dentry *new_dentry, | |
0b3974eb | 562 | unsigned int flags) |
be6d3e56 | 563 | { |
c6f493d6 DH |
564 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
565 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
be6d3e56 | 566 | return 0; |
da1ce067 MS |
567 | |
568 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e CS |
569 | int err = call_int_hook(path_rename, 0, new_dir, new_dentry, |
570 | old_dir, old_dentry); | |
da1ce067 MS |
571 | if (err) |
572 | return err; | |
573 | } | |
574 | ||
f25fce3e CS |
575 | return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, |
576 | new_dentry); | |
be6d3e56 | 577 | } |
82140443 | 578 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 579 | |
81f4c506 | 580 | int security_path_truncate(const struct path *path) |
be6d3e56 | 581 | { |
c6f493d6 | 582 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
be6d3e56 | 583 | return 0; |
f25fce3e | 584 | return call_int_hook(path_truncate, 0, path); |
be6d3e56 | 585 | } |
89eda068 | 586 | |
be01f9f2 | 587 | int security_path_chmod(const struct path *path, umode_t mode) |
89eda068 | 588 | { |
c6f493d6 | 589 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 590 | return 0; |
f25fce3e | 591 | return call_int_hook(path_chmod, 0, path, mode); |
89eda068 TH |
592 | } |
593 | ||
7fd25dac | 594 | int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
89eda068 | 595 | { |
c6f493d6 | 596 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 597 | return 0; |
f25fce3e | 598 | return call_int_hook(path_chown, 0, path, uid, gid); |
89eda068 | 599 | } |
8b8efb44 | 600 | |
77b286c0 | 601 | int security_path_chroot(const struct path *path) |
8b8efb44 | 602 | { |
f25fce3e | 603 | return call_int_hook(path_chroot, 0, path); |
8b8efb44 | 604 | } |
be6d3e56 KT |
605 | #endif |
606 | ||
4acdaf27 | 607 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
608 | { |
609 | if (unlikely(IS_PRIVATE(dir))) | |
610 | return 0; | |
f25fce3e | 611 | return call_int_hook(inode_create, 0, dir, dentry, mode); |
20510f2f | 612 | } |
800a9647 | 613 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
614 | |
615 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
616 | struct dentry *new_dentry) | |
617 | { | |
c6f493d6 | 618 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
20510f2f | 619 | return 0; |
f25fce3e | 620 | return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry); |
20510f2f JM |
621 | } |
622 | ||
623 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
624 | { | |
c6f493d6 | 625 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 626 | return 0; |
f25fce3e | 627 | return call_int_hook(inode_unlink, 0, dir, dentry); |
20510f2f JM |
628 | } |
629 | ||
630 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
631 | const char *old_name) | |
632 | { | |
633 | if (unlikely(IS_PRIVATE(dir))) | |
634 | return 0; | |
f25fce3e | 635 | return call_int_hook(inode_symlink, 0, dir, dentry, old_name); |
20510f2f JM |
636 | } |
637 | ||
18bb1db3 | 638 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
639 | { |
640 | if (unlikely(IS_PRIVATE(dir))) | |
641 | return 0; | |
f25fce3e | 642 | return call_int_hook(inode_mkdir, 0, dir, dentry, mode); |
20510f2f | 643 | } |
800a9647 | 644 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
645 | |
646 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
647 | { | |
c6f493d6 | 648 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 649 | return 0; |
f25fce3e | 650 | return call_int_hook(inode_rmdir, 0, dir, dentry); |
20510f2f JM |
651 | } |
652 | ||
1a67aafb | 653 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
654 | { |
655 | if (unlikely(IS_PRIVATE(dir))) | |
656 | return 0; | |
f25fce3e | 657 | return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev); |
20510f2f JM |
658 | } |
659 | ||
660 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
661 | struct inode *new_dir, struct dentry *new_dentry, |
662 | unsigned int flags) | |
20510f2f | 663 | { |
c6f493d6 DH |
664 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
665 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
20510f2f | 666 | return 0; |
da1ce067 MS |
667 | |
668 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e | 669 | int err = call_int_hook(inode_rename, 0, new_dir, new_dentry, |
da1ce067 MS |
670 | old_dir, old_dentry); |
671 | if (err) | |
672 | return err; | |
673 | } | |
674 | ||
f25fce3e | 675 | return call_int_hook(inode_rename, 0, old_dir, old_dentry, |
20510f2f JM |
676 | new_dir, new_dentry); |
677 | } | |
678 | ||
679 | int security_inode_readlink(struct dentry *dentry) | |
680 | { | |
c6f493d6 | 681 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 682 | return 0; |
f25fce3e | 683 | return call_int_hook(inode_readlink, 0, dentry); |
20510f2f JM |
684 | } |
685 | ||
bda0be7a N |
686 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
687 | bool rcu) | |
20510f2f | 688 | { |
bda0be7a | 689 | if (unlikely(IS_PRIVATE(inode))) |
20510f2f | 690 | return 0; |
e22619a2 | 691 | return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); |
20510f2f JM |
692 | } |
693 | ||
b77b0646 | 694 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
695 | { |
696 | if (unlikely(IS_PRIVATE(inode))) | |
697 | return 0; | |
f25fce3e | 698 | return call_int_hook(inode_permission, 0, inode, mask); |
20510f2f JM |
699 | } |
700 | ||
701 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
702 | { | |
817b54aa MZ |
703 | int ret; |
704 | ||
c6f493d6 | 705 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 706 | return 0; |
f25fce3e | 707 | ret = call_int_hook(inode_setattr, 0, dentry, attr); |
817b54aa MZ |
708 | if (ret) |
709 | return ret; | |
710 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 711 | } |
b1da47e2 | 712 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 713 | |
3f7036a0 | 714 | int security_inode_getattr(const struct path *path) |
20510f2f | 715 | { |
c6f493d6 | 716 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 717 | return 0; |
f25fce3e | 718 | return call_int_hook(inode_getattr, 0, path); |
20510f2f JM |
719 | } |
720 | ||
8f0cfa52 DH |
721 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
722 | const void *value, size_t size, int flags) | |
20510f2f | 723 | { |
3e1be52d MZ |
724 | int ret; |
725 | ||
c6f493d6 | 726 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 727 | return 0; |
b1d9e6b0 CS |
728 | /* |
729 | * SELinux and Smack integrate the cap call, | |
730 | * so assume that all LSMs supplying this call do so. | |
731 | */ | |
732 | ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, | |
f25fce3e | 733 | flags); |
b1d9e6b0 CS |
734 | |
735 | if (ret == 1) | |
736 | ret = cap_inode_setxattr(dentry, name, value, size, flags); | |
42c63330 MZ |
737 | if (ret) |
738 | return ret; | |
739 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
740 | if (ret) |
741 | return ret; | |
742 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
743 | } |
744 | ||
8f0cfa52 DH |
745 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
746 | const void *value, size_t size, int flags) | |
20510f2f | 747 | { |
c6f493d6 | 748 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 749 | return; |
f25fce3e | 750 | call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); |
3e1be52d | 751 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
752 | } |
753 | ||
8f0cfa52 | 754 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 755 | { |
c6f493d6 | 756 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 757 | return 0; |
f25fce3e | 758 | return call_int_hook(inode_getxattr, 0, dentry, name); |
20510f2f JM |
759 | } |
760 | ||
761 | int security_inode_listxattr(struct dentry *dentry) | |
762 | { | |
c6f493d6 | 763 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 764 | return 0; |
f25fce3e | 765 | return call_int_hook(inode_listxattr, 0, dentry); |
20510f2f JM |
766 | } |
767 | ||
8f0cfa52 | 768 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 769 | { |
3e1be52d MZ |
770 | int ret; |
771 | ||
c6f493d6 | 772 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 773 | return 0; |
b1d9e6b0 CS |
774 | /* |
775 | * SELinux and Smack integrate the cap call, | |
776 | * so assume that all LSMs supplying this call do so. | |
777 | */ | |
778 | ret = call_int_hook(inode_removexattr, 1, dentry, name); | |
779 | if (ret == 1) | |
780 | ret = cap_inode_removexattr(dentry, name); | |
42c63330 MZ |
781 | if (ret) |
782 | return ret; | |
783 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
784 | if (ret) |
785 | return ret; | |
786 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
787 | } |
788 | ||
b5376771 SH |
789 | int security_inode_need_killpriv(struct dentry *dentry) |
790 | { | |
f25fce3e | 791 | return call_int_hook(inode_need_killpriv, 0, dentry); |
b5376771 SH |
792 | } |
793 | ||
794 | int security_inode_killpriv(struct dentry *dentry) | |
795 | { | |
f25fce3e | 796 | return call_int_hook(inode_killpriv, 0, dentry); |
b5376771 SH |
797 | } |
798 | ||
ea861dfd | 799 | int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f | 800 | { |
2885c1e3 CS |
801 | struct security_hook_list *hp; |
802 | int rc; | |
803 | ||
20510f2f | 804 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 805 | return -EOPNOTSUPP; |
2885c1e3 CS |
806 | /* |
807 | * Only one module will provide an attribute with a given name. | |
808 | */ | |
809 | list_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { | |
810 | rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); | |
811 | if (rc != -EOPNOTSUPP) | |
812 | return rc; | |
813 | } | |
814 | return -EOPNOTSUPP; | |
20510f2f JM |
815 | } |
816 | ||
817 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
818 | { | |
2885c1e3 CS |
819 | struct security_hook_list *hp; |
820 | int rc; | |
821 | ||
20510f2f | 822 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 823 | return -EOPNOTSUPP; |
2885c1e3 CS |
824 | /* |
825 | * Only one module will provide an attribute with a given name. | |
826 | */ | |
827 | list_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { | |
828 | rc = hp->hook.inode_setsecurity(inode, name, value, size, | |
829 | flags); | |
830 | if (rc != -EOPNOTSUPP) | |
831 | return rc; | |
832 | } | |
833 | return -EOPNOTSUPP; | |
20510f2f JM |
834 | } |
835 | ||
836 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
837 | { | |
838 | if (unlikely(IS_PRIVATE(inode))) | |
839 | return 0; | |
f25fce3e | 840 | return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); |
20510f2f | 841 | } |
c9bccef6 | 842 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 843 | |
d6335d77 | 844 | void security_inode_getsecid(struct inode *inode, u32 *secid) |
8a076191 | 845 | { |
f25fce3e | 846 | call_void_hook(inode_getsecid, inode, secid); |
8a076191 AD |
847 | } |
848 | ||
d8ad8b49 VG |
849 | int security_inode_copy_up(struct dentry *src, struct cred **new) |
850 | { | |
851 | return call_int_hook(inode_copy_up, 0, src, new); | |
852 | } | |
853 | EXPORT_SYMBOL(security_inode_copy_up); | |
854 | ||
121ab822 VG |
855 | int security_inode_copy_up_xattr(const char *name) |
856 | { | |
857 | return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); | |
858 | } | |
859 | EXPORT_SYMBOL(security_inode_copy_up_xattr); | |
860 | ||
20510f2f JM |
861 | int security_file_permission(struct file *file, int mask) |
862 | { | |
c4ec54b4 EP |
863 | int ret; |
864 | ||
f25fce3e | 865 | ret = call_int_hook(file_permission, 0, file, mask); |
c4ec54b4 EP |
866 | if (ret) |
867 | return ret; | |
868 | ||
869 | return fsnotify_perm(file, mask); | |
20510f2f JM |
870 | } |
871 | ||
872 | int security_file_alloc(struct file *file) | |
873 | { | |
f25fce3e | 874 | return call_int_hook(file_alloc_security, 0, file); |
20510f2f JM |
875 | } |
876 | ||
877 | void security_file_free(struct file *file) | |
878 | { | |
f25fce3e | 879 | call_void_hook(file_free_security, file); |
20510f2f JM |
880 | } |
881 | ||
882 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
883 | { | |
f25fce3e | 884 | return call_int_hook(file_ioctl, 0, file, cmd, arg); |
20510f2f JM |
885 | } |
886 | ||
98de59bf | 887 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 888 | { |
8b3ec681 | 889 | /* |
98de59bf AV |
890 | * Does we have PROT_READ and does the application expect |
891 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 892 | */ |
98de59bf AV |
893 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
894 | return prot; | |
8b3ec681 | 895 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
896 | return prot; |
897 | /* | |
898 | * if that's an anonymous mapping, let it. | |
899 | */ | |
900 | if (!file) | |
901 | return prot | PROT_EXEC; | |
902 | /* | |
903 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 904 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf | 905 | */ |
90f8572b | 906 | if (!path_noexec(&file->f_path)) { |
8b3ec681 | 907 | #ifndef CONFIG_MMU |
b4caecd4 CH |
908 | if (file->f_op->mmap_capabilities) { |
909 | unsigned caps = file->f_op->mmap_capabilities(file); | |
910 | if (!(caps & NOMMU_MAP_EXEC)) | |
911 | return prot; | |
912 | } | |
8b3ec681 | 913 | #endif |
98de59bf | 914 | return prot | PROT_EXEC; |
8b3ec681 | 915 | } |
98de59bf AV |
916 | /* anything on noexec mount won't get PROT_EXEC */ |
917 | return prot; | |
918 | } | |
919 | ||
920 | int security_mmap_file(struct file *file, unsigned long prot, | |
921 | unsigned long flags) | |
922 | { | |
923 | int ret; | |
f25fce3e | 924 | ret = call_int_hook(mmap_file, 0, file, prot, |
98de59bf | 925 | mmap_prot(file, prot), flags); |
6c21a7fb MZ |
926 | if (ret) |
927 | return ret; | |
928 | return ima_file_mmap(file, prot); | |
20510f2f JM |
929 | } |
930 | ||
e5467859 AV |
931 | int security_mmap_addr(unsigned long addr) |
932 | { | |
f25fce3e | 933 | return call_int_hook(mmap_addr, 0, addr); |
e5467859 AV |
934 | } |
935 | ||
20510f2f JM |
936 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
937 | unsigned long prot) | |
938 | { | |
f25fce3e | 939 | return call_int_hook(file_mprotect, 0, vma, reqprot, prot); |
20510f2f JM |
940 | } |
941 | ||
942 | int security_file_lock(struct file *file, unsigned int cmd) | |
943 | { | |
f25fce3e | 944 | return call_int_hook(file_lock, 0, file, cmd); |
20510f2f JM |
945 | } |
946 | ||
947 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
948 | { | |
f25fce3e | 949 | return call_int_hook(file_fcntl, 0, file, cmd, arg); |
20510f2f JM |
950 | } |
951 | ||
e0b93edd | 952 | void security_file_set_fowner(struct file *file) |
20510f2f | 953 | { |
f25fce3e | 954 | call_void_hook(file_set_fowner, file); |
20510f2f JM |
955 | } |
956 | ||
957 | int security_file_send_sigiotask(struct task_struct *tsk, | |
958 | struct fown_struct *fown, int sig) | |
959 | { | |
f25fce3e | 960 | return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); |
20510f2f JM |
961 | } |
962 | ||
963 | int security_file_receive(struct file *file) | |
964 | { | |
f25fce3e | 965 | return call_int_hook(file_receive, 0, file); |
20510f2f JM |
966 | } |
967 | ||
83d49856 | 968 | int security_file_open(struct file *file, const struct cred *cred) |
20510f2f | 969 | { |
c4ec54b4 EP |
970 | int ret; |
971 | ||
f25fce3e | 972 | ret = call_int_hook(file_open, 0, file, cred); |
c4ec54b4 EP |
973 | if (ret) |
974 | return ret; | |
975 | ||
976 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
977 | } |
978 | ||
e4e55b47 TH |
979 | int security_task_alloc(struct task_struct *task, unsigned long clone_flags) |
980 | { | |
981 | return call_int_hook(task_alloc, 0, task, clone_flags); | |
982 | } | |
983 | ||
1a2a4d06 KC |
984 | void security_task_free(struct task_struct *task) |
985 | { | |
f25fce3e | 986 | call_void_hook(task_free, task); |
1a2a4d06 KC |
987 | } |
988 | ||
ee18d64c DH |
989 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
990 | { | |
f25fce3e | 991 | return call_int_hook(cred_alloc_blank, 0, cred, gfp); |
ee18d64c DH |
992 | } |
993 | ||
d84f4f99 | 994 | void security_cred_free(struct cred *cred) |
20510f2f | 995 | { |
b9f93793 JM |
996 | /* |
997 | * There is a failure case in prepare_creds() that | |
998 | * may result in a call here with ->security being NULL. | |
999 | */ | |
1000 | if (unlikely(cred->security == NULL)) | |
1001 | return; | |
1002 | ||
f25fce3e | 1003 | call_void_hook(cred_free, cred); |
20510f2f JM |
1004 | } |
1005 | ||
d84f4f99 | 1006 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 1007 | { |
f25fce3e | 1008 | return call_int_hook(cred_prepare, 0, new, old, gfp); |
d84f4f99 DH |
1009 | } |
1010 | ||
ee18d64c DH |
1011 | void security_transfer_creds(struct cred *new, const struct cred *old) |
1012 | { | |
f25fce3e | 1013 | call_void_hook(cred_transfer, new, old); |
ee18d64c DH |
1014 | } |
1015 | ||
3a3b7ce9 DH |
1016 | int security_kernel_act_as(struct cred *new, u32 secid) |
1017 | { | |
f25fce3e | 1018 | return call_int_hook(kernel_act_as, 0, new, secid); |
3a3b7ce9 DH |
1019 | } |
1020 | ||
1021 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
1022 | { | |
f25fce3e | 1023 | return call_int_hook(kernel_create_files_as, 0, new, inode); |
3a3b7ce9 DH |
1024 | } |
1025 | ||
dd8dbf2e | 1026 | int security_kernel_module_request(char *kmod_name) |
9188499c | 1027 | { |
f25fce3e | 1028 | return call_int_hook(kernel_module_request, 0, kmod_name); |
9188499c EP |
1029 | } |
1030 | ||
39eeb4fb MZ |
1031 | int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) |
1032 | { | |
1033 | int ret; | |
1034 | ||
1035 | ret = call_int_hook(kernel_read_file, 0, file, id); | |
1036 | if (ret) | |
1037 | return ret; | |
1038 | return ima_read_file(file, id); | |
1039 | } | |
1040 | EXPORT_SYMBOL_GPL(security_kernel_read_file); | |
1041 | ||
bc8ca5b9 MZ |
1042 | int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, |
1043 | enum kernel_read_file_id id) | |
b44a7dfc | 1044 | { |
cf222217 MZ |
1045 | int ret; |
1046 | ||
1047 | ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); | |
1048 | if (ret) | |
1049 | return ret; | |
1050 | return ima_post_read_file(file, buf, size, id); | |
b44a7dfc MZ |
1051 | } |
1052 | EXPORT_SYMBOL_GPL(security_kernel_post_read_file); | |
1053 | ||
d84f4f99 DH |
1054 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
1055 | int flags) | |
20510f2f | 1056 | { |
f25fce3e | 1057 | return call_int_hook(task_fix_setuid, 0, new, old, flags); |
20510f2f JM |
1058 | } |
1059 | ||
20510f2f JM |
1060 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
1061 | { | |
f25fce3e | 1062 | return call_int_hook(task_setpgid, 0, p, pgid); |
20510f2f JM |
1063 | } |
1064 | ||
1065 | int security_task_getpgid(struct task_struct *p) | |
1066 | { | |
f25fce3e | 1067 | return call_int_hook(task_getpgid, 0, p); |
20510f2f JM |
1068 | } |
1069 | ||
1070 | int security_task_getsid(struct task_struct *p) | |
1071 | { | |
f25fce3e | 1072 | return call_int_hook(task_getsid, 0, p); |
20510f2f JM |
1073 | } |
1074 | ||
1075 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
1076 | { | |
b1d9e6b0 | 1077 | *secid = 0; |
f25fce3e | 1078 | call_void_hook(task_getsecid, p, secid); |
20510f2f JM |
1079 | } |
1080 | EXPORT_SYMBOL(security_task_getsecid); | |
1081 | ||
20510f2f JM |
1082 | int security_task_setnice(struct task_struct *p, int nice) |
1083 | { | |
f25fce3e | 1084 | return call_int_hook(task_setnice, 0, p, nice); |
20510f2f JM |
1085 | } |
1086 | ||
1087 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
1088 | { | |
f25fce3e | 1089 | return call_int_hook(task_setioprio, 0, p, ioprio); |
20510f2f JM |
1090 | } |
1091 | ||
1092 | int security_task_getioprio(struct task_struct *p) | |
1093 | { | |
f25fce3e | 1094 | return call_int_hook(task_getioprio, 0, p); |
20510f2f JM |
1095 | } |
1096 | ||
791ec491 SS |
1097 | int security_task_prlimit(const struct cred *cred, const struct cred *tcred, |
1098 | unsigned int flags) | |
1099 | { | |
1100 | return call_int_hook(task_prlimit, 0, cred, tcred, flags); | |
1101 | } | |
1102 | ||
8fd00b4d JS |
1103 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
1104 | struct rlimit *new_rlim) | |
20510f2f | 1105 | { |
f25fce3e | 1106 | return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); |
20510f2f JM |
1107 | } |
1108 | ||
b0ae1981 | 1109 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 1110 | { |
f25fce3e | 1111 | return call_int_hook(task_setscheduler, 0, p); |
20510f2f JM |
1112 | } |
1113 | ||
1114 | int security_task_getscheduler(struct task_struct *p) | |
1115 | { | |
f25fce3e | 1116 | return call_int_hook(task_getscheduler, 0, p); |
20510f2f JM |
1117 | } |
1118 | ||
1119 | int security_task_movememory(struct task_struct *p) | |
1120 | { | |
f25fce3e | 1121 | return call_int_hook(task_movememory, 0, p); |
20510f2f JM |
1122 | } |
1123 | ||
1124 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
1125 | int sig, u32 secid) | |
1126 | { | |
f25fce3e | 1127 | return call_int_hook(task_kill, 0, p, info, sig, secid); |
20510f2f JM |
1128 | } |
1129 | ||
20510f2f | 1130 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
d84f4f99 | 1131 | unsigned long arg4, unsigned long arg5) |
20510f2f | 1132 | { |
b1d9e6b0 CS |
1133 | int thisrc; |
1134 | int rc = -ENOSYS; | |
1135 | struct security_hook_list *hp; | |
1136 | ||
1137 | list_for_each_entry(hp, &security_hook_heads.task_prctl, list) { | |
1138 | thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); | |
1139 | if (thisrc != -ENOSYS) { | |
1140 | rc = thisrc; | |
1141 | if (thisrc != 0) | |
1142 | break; | |
1143 | } | |
1144 | } | |
1145 | return rc; | |
20510f2f JM |
1146 | } |
1147 | ||
1148 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
1149 | { | |
f25fce3e | 1150 | call_void_hook(task_to_inode, p, inode); |
20510f2f JM |
1151 | } |
1152 | ||
1153 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
1154 | { | |
f25fce3e | 1155 | return call_int_hook(ipc_permission, 0, ipcp, flag); |
20510f2f JM |
1156 | } |
1157 | ||
8a076191 AD |
1158 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
1159 | { | |
b1d9e6b0 | 1160 | *secid = 0; |
f25fce3e | 1161 | call_void_hook(ipc_getsecid, ipcp, secid); |
8a076191 AD |
1162 | } |
1163 | ||
20510f2f JM |
1164 | int security_msg_msg_alloc(struct msg_msg *msg) |
1165 | { | |
f25fce3e | 1166 | return call_int_hook(msg_msg_alloc_security, 0, msg); |
20510f2f JM |
1167 | } |
1168 | ||
1169 | void security_msg_msg_free(struct msg_msg *msg) | |
1170 | { | |
f25fce3e | 1171 | call_void_hook(msg_msg_free_security, msg); |
20510f2f JM |
1172 | } |
1173 | ||
1174 | int security_msg_queue_alloc(struct msg_queue *msq) | |
1175 | { | |
f25fce3e | 1176 | return call_int_hook(msg_queue_alloc_security, 0, msq); |
20510f2f JM |
1177 | } |
1178 | ||
1179 | void security_msg_queue_free(struct msg_queue *msq) | |
1180 | { | |
f25fce3e | 1181 | call_void_hook(msg_queue_free_security, msq); |
20510f2f JM |
1182 | } |
1183 | ||
1184 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
1185 | { | |
f25fce3e | 1186 | return call_int_hook(msg_queue_associate, 0, msq, msqflg); |
20510f2f JM |
1187 | } |
1188 | ||
1189 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
1190 | { | |
f25fce3e | 1191 | return call_int_hook(msg_queue_msgctl, 0, msq, cmd); |
20510f2f JM |
1192 | } |
1193 | ||
1194 | int security_msg_queue_msgsnd(struct msg_queue *msq, | |
1195 | struct msg_msg *msg, int msqflg) | |
1196 | { | |
f25fce3e | 1197 | return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); |
20510f2f JM |
1198 | } |
1199 | ||
1200 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
1201 | struct task_struct *target, long type, int mode) | |
1202 | { | |
f25fce3e | 1203 | return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); |
20510f2f JM |
1204 | } |
1205 | ||
1206 | int security_shm_alloc(struct shmid_kernel *shp) | |
1207 | { | |
f25fce3e | 1208 | return call_int_hook(shm_alloc_security, 0, shp); |
20510f2f JM |
1209 | } |
1210 | ||
1211 | void security_shm_free(struct shmid_kernel *shp) | |
1212 | { | |
f25fce3e | 1213 | call_void_hook(shm_free_security, shp); |
20510f2f JM |
1214 | } |
1215 | ||
1216 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) | |
1217 | { | |
f25fce3e | 1218 | return call_int_hook(shm_associate, 0, shp, shmflg); |
20510f2f JM |
1219 | } |
1220 | ||
1221 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
1222 | { | |
f25fce3e | 1223 | return call_int_hook(shm_shmctl, 0, shp, cmd); |
20510f2f JM |
1224 | } |
1225 | ||
1226 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) | |
1227 | { | |
f25fce3e | 1228 | return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); |
20510f2f JM |
1229 | } |
1230 | ||
1231 | int security_sem_alloc(struct sem_array *sma) | |
1232 | { | |
f25fce3e | 1233 | return call_int_hook(sem_alloc_security, 0, sma); |
20510f2f JM |
1234 | } |
1235 | ||
1236 | void security_sem_free(struct sem_array *sma) | |
1237 | { | |
f25fce3e | 1238 | call_void_hook(sem_free_security, sma); |
20510f2f JM |
1239 | } |
1240 | ||
1241 | int security_sem_associate(struct sem_array *sma, int semflg) | |
1242 | { | |
f25fce3e | 1243 | return call_int_hook(sem_associate, 0, sma, semflg); |
20510f2f JM |
1244 | } |
1245 | ||
1246 | int security_sem_semctl(struct sem_array *sma, int cmd) | |
1247 | { | |
f25fce3e | 1248 | return call_int_hook(sem_semctl, 0, sma, cmd); |
20510f2f JM |
1249 | } |
1250 | ||
1251 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
1252 | unsigned nsops, int alter) | |
1253 | { | |
f25fce3e | 1254 | return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); |
20510f2f JM |
1255 | } |
1256 | ||
1257 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1258 | { | |
1259 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1260 | return; | |
f25fce3e | 1261 | call_void_hook(d_instantiate, dentry, inode); |
20510f2f JM |
1262 | } |
1263 | EXPORT_SYMBOL(security_d_instantiate); | |
1264 | ||
1265 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1266 | { | |
b1d9e6b0 | 1267 | return call_int_hook(getprocattr, -EINVAL, p, name, value); |
20510f2f JM |
1268 | } |
1269 | ||
b21507e2 | 1270 | int security_setprocattr(const char *name, void *value, size_t size) |
20510f2f | 1271 | { |
b21507e2 | 1272 | return call_int_hook(setprocattr, -EINVAL, name, value, size); |
20510f2f JM |
1273 | } |
1274 | ||
1275 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1276 | { | |
f25fce3e | 1277 | return call_int_hook(netlink_send, 0, sk, skb); |
20510f2f | 1278 | } |
20510f2f | 1279 | |
746df9b5 DQ |
1280 | int security_ismaclabel(const char *name) |
1281 | { | |
f25fce3e | 1282 | return call_int_hook(ismaclabel, 0, name); |
746df9b5 DQ |
1283 | } |
1284 | EXPORT_SYMBOL(security_ismaclabel); | |
1285 | ||
20510f2f JM |
1286 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1287 | { | |
b1d9e6b0 CS |
1288 | return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, |
1289 | seclen); | |
20510f2f JM |
1290 | } |
1291 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1292 | ||
7bf570dc | 1293 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 | 1294 | { |
b1d9e6b0 | 1295 | *secid = 0; |
f25fce3e | 1296 | return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); |
63cb3449 DH |
1297 | } |
1298 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1299 | ||
20510f2f JM |
1300 | void security_release_secctx(char *secdata, u32 seclen) |
1301 | { | |
f25fce3e | 1302 | call_void_hook(release_secctx, secdata, seclen); |
20510f2f JM |
1303 | } |
1304 | EXPORT_SYMBOL(security_release_secctx); | |
1305 | ||
6f3be9f5 AG |
1306 | void security_inode_invalidate_secctx(struct inode *inode) |
1307 | { | |
1308 | call_void_hook(inode_invalidate_secctx, inode); | |
1309 | } | |
1310 | EXPORT_SYMBOL(security_inode_invalidate_secctx); | |
1311 | ||
1ee65e37 DQ |
1312 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1313 | { | |
f25fce3e | 1314 | return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); |
1ee65e37 DQ |
1315 | } |
1316 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1317 | ||
1318 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1319 | { | |
f25fce3e | 1320 | return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); |
1ee65e37 DQ |
1321 | } |
1322 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1323 | ||
1324 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1325 | { | |
b1d9e6b0 | 1326 | return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); |
1ee65e37 DQ |
1327 | } |
1328 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1329 | ||
20510f2f JM |
1330 | #ifdef CONFIG_SECURITY_NETWORK |
1331 | ||
3610cda5 | 1332 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f | 1333 | { |
f25fce3e | 1334 | return call_int_hook(unix_stream_connect, 0, sock, other, newsk); |
20510f2f JM |
1335 | } |
1336 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1337 | ||
1338 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1339 | { | |
f25fce3e | 1340 | return call_int_hook(unix_may_send, 0, sock, other); |
20510f2f JM |
1341 | } |
1342 | EXPORT_SYMBOL(security_unix_may_send); | |
1343 | ||
1344 | int security_socket_create(int family, int type, int protocol, int kern) | |
1345 | { | |
f25fce3e | 1346 | return call_int_hook(socket_create, 0, family, type, protocol, kern); |
20510f2f JM |
1347 | } |
1348 | ||
1349 | int security_socket_post_create(struct socket *sock, int family, | |
1350 | int type, int protocol, int kern) | |
1351 | { | |
f25fce3e | 1352 | return call_int_hook(socket_post_create, 0, sock, family, type, |
20510f2f JM |
1353 | protocol, kern); |
1354 | } | |
1355 | ||
1356 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) | |
1357 | { | |
f25fce3e | 1358 | return call_int_hook(socket_bind, 0, sock, address, addrlen); |
20510f2f JM |
1359 | } |
1360 | ||
1361 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1362 | { | |
f25fce3e | 1363 | return call_int_hook(socket_connect, 0, sock, address, addrlen); |
20510f2f JM |
1364 | } |
1365 | ||
1366 | int security_socket_listen(struct socket *sock, int backlog) | |
1367 | { | |
f25fce3e | 1368 | return call_int_hook(socket_listen, 0, sock, backlog); |
20510f2f JM |
1369 | } |
1370 | ||
1371 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1372 | { | |
f25fce3e | 1373 | return call_int_hook(socket_accept, 0, sock, newsock); |
20510f2f JM |
1374 | } |
1375 | ||
20510f2f JM |
1376 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1377 | { | |
f25fce3e | 1378 | return call_int_hook(socket_sendmsg, 0, sock, msg, size); |
20510f2f JM |
1379 | } |
1380 | ||
1381 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1382 | int size, int flags) | |
1383 | { | |
f25fce3e | 1384 | return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); |
20510f2f JM |
1385 | } |
1386 | ||
1387 | int security_socket_getsockname(struct socket *sock) | |
1388 | { | |
f25fce3e | 1389 | return call_int_hook(socket_getsockname, 0, sock); |
20510f2f JM |
1390 | } |
1391 | ||
1392 | int security_socket_getpeername(struct socket *sock) | |
1393 | { | |
f25fce3e | 1394 | return call_int_hook(socket_getpeername, 0, sock); |
20510f2f JM |
1395 | } |
1396 | ||
1397 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1398 | { | |
f25fce3e | 1399 | return call_int_hook(socket_getsockopt, 0, sock, level, optname); |
20510f2f JM |
1400 | } |
1401 | ||
1402 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1403 | { | |
f25fce3e | 1404 | return call_int_hook(socket_setsockopt, 0, sock, level, optname); |
20510f2f JM |
1405 | } |
1406 | ||
1407 | int security_socket_shutdown(struct socket *sock, int how) | |
1408 | { | |
f25fce3e | 1409 | return call_int_hook(socket_shutdown, 0, sock, how); |
20510f2f JM |
1410 | } |
1411 | ||
1412 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1413 | { | |
f25fce3e | 1414 | return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); |
20510f2f JM |
1415 | } |
1416 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1417 | ||
1418 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1419 | int __user *optlen, unsigned len) | |
1420 | { | |
b1d9e6b0 CS |
1421 | return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, |
1422 | optval, optlen, len); | |
20510f2f JM |
1423 | } |
1424 | ||
1425 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1426 | { | |
e308fd3b JB |
1427 | return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, |
1428 | skb, secid); | |
20510f2f JM |
1429 | } |
1430 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1431 | ||
1432 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1433 | { | |
f25fce3e | 1434 | return call_int_hook(sk_alloc_security, 0, sk, family, priority); |
20510f2f JM |
1435 | } |
1436 | ||
1437 | void security_sk_free(struct sock *sk) | |
1438 | { | |
f25fce3e | 1439 | call_void_hook(sk_free_security, sk); |
20510f2f JM |
1440 | } |
1441 | ||
1442 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1443 | { | |
f25fce3e | 1444 | call_void_hook(sk_clone_security, sk, newsk); |
20510f2f | 1445 | } |
6230c9b4 | 1446 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1447 | |
1448 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1449 | { | |
f25fce3e | 1450 | call_void_hook(sk_getsecid, sk, &fl->flowi_secid); |
20510f2f JM |
1451 | } |
1452 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1453 | ||
1454 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1455 | { | |
f25fce3e | 1456 | call_void_hook(req_classify_flow, req, fl); |
20510f2f JM |
1457 | } |
1458 | EXPORT_SYMBOL(security_req_classify_flow); | |
1459 | ||
1460 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1461 | { | |
f25fce3e | 1462 | call_void_hook(sock_graft, sk, parent); |
20510f2f JM |
1463 | } |
1464 | EXPORT_SYMBOL(security_sock_graft); | |
1465 | ||
1466 | int security_inet_conn_request(struct sock *sk, | |
1467 | struct sk_buff *skb, struct request_sock *req) | |
1468 | { | |
f25fce3e | 1469 | return call_int_hook(inet_conn_request, 0, sk, skb, req); |
20510f2f JM |
1470 | } |
1471 | EXPORT_SYMBOL(security_inet_conn_request); | |
1472 | ||
1473 | void security_inet_csk_clone(struct sock *newsk, | |
1474 | const struct request_sock *req) | |
1475 | { | |
f25fce3e | 1476 | call_void_hook(inet_csk_clone, newsk, req); |
20510f2f JM |
1477 | } |
1478 | ||
1479 | void security_inet_conn_established(struct sock *sk, | |
1480 | struct sk_buff *skb) | |
1481 | { | |
f25fce3e | 1482 | call_void_hook(inet_conn_established, sk, skb); |
20510f2f JM |
1483 | } |
1484 | ||
2606fd1f EP |
1485 | int security_secmark_relabel_packet(u32 secid) |
1486 | { | |
f25fce3e | 1487 | return call_int_hook(secmark_relabel_packet, 0, secid); |
2606fd1f EP |
1488 | } |
1489 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1490 | ||
1491 | void security_secmark_refcount_inc(void) | |
1492 | { | |
f25fce3e | 1493 | call_void_hook(secmark_refcount_inc); |
2606fd1f EP |
1494 | } |
1495 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1496 | ||
1497 | void security_secmark_refcount_dec(void) | |
1498 | { | |
f25fce3e | 1499 | call_void_hook(secmark_refcount_dec); |
2606fd1f EP |
1500 | } |
1501 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1502 | ||
5dbbaf2d PM |
1503 | int security_tun_dev_alloc_security(void **security) |
1504 | { | |
f25fce3e | 1505 | return call_int_hook(tun_dev_alloc_security, 0, security); |
5dbbaf2d PM |
1506 | } |
1507 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1508 | ||
1509 | void security_tun_dev_free_security(void *security) | |
1510 | { | |
f25fce3e | 1511 | call_void_hook(tun_dev_free_security, security); |
5dbbaf2d PM |
1512 | } |
1513 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1514 | ||
2b980dbd PM |
1515 | int security_tun_dev_create(void) |
1516 | { | |
f25fce3e | 1517 | return call_int_hook(tun_dev_create, 0); |
2b980dbd PM |
1518 | } |
1519 | EXPORT_SYMBOL(security_tun_dev_create); | |
1520 | ||
5dbbaf2d | 1521 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1522 | { |
f25fce3e | 1523 | return call_int_hook(tun_dev_attach_queue, 0, security); |
2b980dbd | 1524 | } |
5dbbaf2d | 1525 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1526 | |
5dbbaf2d | 1527 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1528 | { |
f25fce3e | 1529 | return call_int_hook(tun_dev_attach, 0, sk, security); |
2b980dbd PM |
1530 | } |
1531 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1532 | ||
5dbbaf2d PM |
1533 | int security_tun_dev_open(void *security) |
1534 | { | |
f25fce3e | 1535 | return call_int_hook(tun_dev_open, 0, security); |
5dbbaf2d PM |
1536 | } |
1537 | EXPORT_SYMBOL(security_tun_dev_open); | |
1538 | ||
20510f2f JM |
1539 | #endif /* CONFIG_SECURITY_NETWORK */ |
1540 | ||
d291f1a6 DJ |
1541 | #ifdef CONFIG_SECURITY_INFINIBAND |
1542 | ||
1543 | int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey) | |
1544 | { | |
1545 | return call_int_hook(ib_pkey_access, 0, sec, subnet_prefix, pkey); | |
1546 | } | |
1547 | EXPORT_SYMBOL(security_ib_pkey_access); | |
1548 | ||
47a2b338 DJ |
1549 | int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num) |
1550 | { | |
1551 | return call_int_hook(ib_endport_manage_subnet, 0, sec, dev_name, port_num); | |
1552 | } | |
1553 | EXPORT_SYMBOL(security_ib_endport_manage_subnet); | |
1554 | ||
d291f1a6 DJ |
1555 | int security_ib_alloc_security(void **sec) |
1556 | { | |
1557 | return call_int_hook(ib_alloc_security, 0, sec); | |
1558 | } | |
1559 | EXPORT_SYMBOL(security_ib_alloc_security); | |
1560 | ||
1561 | void security_ib_free_security(void *sec) | |
1562 | { | |
1563 | call_void_hook(ib_free_security, sec); | |
1564 | } | |
1565 | EXPORT_SYMBOL(security_ib_free_security); | |
1566 | #endif /* CONFIG_SECURITY_INFINIBAND */ | |
1567 | ||
20510f2f JM |
1568 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1569 | ||
52a4c640 NA |
1570 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1571 | struct xfrm_user_sec_ctx *sec_ctx, | |
1572 | gfp_t gfp) | |
20510f2f | 1573 | { |
f25fce3e | 1574 | return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); |
20510f2f JM |
1575 | } |
1576 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1577 | ||
03e1ad7b PM |
1578 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1579 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1580 | { |
f25fce3e | 1581 | return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); |
20510f2f JM |
1582 | } |
1583 | ||
03e1ad7b | 1584 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1585 | { |
f25fce3e | 1586 | call_void_hook(xfrm_policy_free_security, ctx); |
20510f2f JM |
1587 | } |
1588 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1589 | ||
03e1ad7b | 1590 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1591 | { |
f25fce3e | 1592 | return call_int_hook(xfrm_policy_delete_security, 0, ctx); |
20510f2f JM |
1593 | } |
1594 | ||
2e5aa866 PM |
1595 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1596 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1597 | { |
f25fce3e | 1598 | return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); |
20510f2f JM |
1599 | } |
1600 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1601 | ||
1602 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1603 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1604 | { | |
f25fce3e | 1605 | return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); |
20510f2f JM |
1606 | } |
1607 | ||
1608 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1609 | { | |
f25fce3e | 1610 | return call_int_hook(xfrm_state_delete_security, 0, x); |
20510f2f JM |
1611 | } |
1612 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1613 | ||
1614 | void security_xfrm_state_free(struct xfrm_state *x) | |
1615 | { | |
f25fce3e | 1616 | call_void_hook(xfrm_state_free_security, x); |
20510f2f JM |
1617 | } |
1618 | ||
03e1ad7b | 1619 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1620 | { |
f25fce3e | 1621 | return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); |
20510f2f JM |
1622 | } |
1623 | ||
1624 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1625 | struct xfrm_policy *xp, |
1626 | const struct flowi *fl) | |
20510f2f | 1627 | { |
b1d9e6b0 CS |
1628 | struct security_hook_list *hp; |
1629 | int rc = 1; | |
1630 | ||
1631 | /* | |
1632 | * Since this function is expected to return 0 or 1, the judgment | |
1633 | * becomes difficult if multiple LSMs supply this call. Fortunately, | |
1634 | * we can use the first LSM's judgment because currently only SELinux | |
1635 | * supplies this call. | |
1636 | * | |
1637 | * For speed optimization, we explicitly break the loop rather than | |
1638 | * using the macro | |
1639 | */ | |
1640 | list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, | |
1641 | list) { | |
1642 | rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); | |
1643 | break; | |
1644 | } | |
1645 | return rc; | |
20510f2f JM |
1646 | } |
1647 | ||
1648 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1649 | { | |
f25fce3e | 1650 | return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); |
20510f2f JM |
1651 | } |
1652 | ||
1653 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1654 | { | |
f25fce3e CS |
1655 | int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, |
1656 | 0); | |
20510f2f JM |
1657 | |
1658 | BUG_ON(rc); | |
1659 | } | |
1660 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1661 | ||
1662 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1663 | ||
1664 | #ifdef CONFIG_KEYS | |
1665 | ||
d84f4f99 DH |
1666 | int security_key_alloc(struct key *key, const struct cred *cred, |
1667 | unsigned long flags) | |
20510f2f | 1668 | { |
f25fce3e | 1669 | return call_int_hook(key_alloc, 0, key, cred, flags); |
20510f2f JM |
1670 | } |
1671 | ||
1672 | void security_key_free(struct key *key) | |
1673 | { | |
f25fce3e | 1674 | call_void_hook(key_free, key); |
20510f2f JM |
1675 | } |
1676 | ||
1677 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1678 | const struct cred *cred, unsigned perm) |
20510f2f | 1679 | { |
f25fce3e | 1680 | return call_int_hook(key_permission, 0, key_ref, cred, perm); |
20510f2f JM |
1681 | } |
1682 | ||
70a5bb72 DH |
1683 | int security_key_getsecurity(struct key *key, char **_buffer) |
1684 | { | |
b1d9e6b0 | 1685 | *_buffer = NULL; |
f25fce3e | 1686 | return call_int_hook(key_getsecurity, 0, key, _buffer); |
70a5bb72 DH |
1687 | } |
1688 | ||
20510f2f | 1689 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1690 | |
1691 | #ifdef CONFIG_AUDIT | |
1692 | ||
1693 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1694 | { | |
f25fce3e | 1695 | return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); |
03d37d25 AD |
1696 | } |
1697 | ||
1698 | int security_audit_rule_known(struct audit_krule *krule) | |
1699 | { | |
f25fce3e | 1700 | return call_int_hook(audit_rule_known, 0, krule); |
03d37d25 AD |
1701 | } |
1702 | ||
1703 | void security_audit_rule_free(void *lsmrule) | |
1704 | { | |
f25fce3e | 1705 | call_void_hook(audit_rule_free, lsmrule); |
03d37d25 AD |
1706 | } |
1707 | ||
1708 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1709 | struct audit_context *actx) | |
1710 | { | |
f25fce3e CS |
1711 | return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, |
1712 | actx); | |
03d37d25 | 1713 | } |
b1d9e6b0 | 1714 | #endif /* CONFIG_AUDIT */ |