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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> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | */ | |
13 | ||
c59ede7b | 14 | #include <linux/capability.h> |
d47be3df | 15 | #include <linux/dcache.h> |
1da177e4 LT |
16 | #include <linux/module.h> |
17 | #include <linux/init.h> | |
18 | #include <linux/kernel.h> | |
3c4ed7bd | 19 | #include <linux/lsm_hooks.h> |
f381c272 | 20 | #include <linux/integrity.h> |
6c21a7fb | 21 | #include <linux/ima.h> |
3e1be52d | 22 | #include <linux/evm.h> |
40401530 | 23 | #include <linux/fsnotify.h> |
8b3ec681 AV |
24 | #include <linux/mman.h> |
25 | #include <linux/mount.h> | |
26 | #include <linux/personality.h> | |
75331a59 | 27 | #include <linux/backing-dev.h> |
40401530 | 28 | #include <net/flow.h> |
1da177e4 | 29 | |
823eb1cc | 30 | #define MAX_LSM_EVM_XATTR 2 |
1da177e4 | 31 | |
b1d9e6b0 CS |
32 | /* Maximum number of letters for an LSM name string */ |
33 | #define SECURITY_NAME_MAX 10 | |
34 | ||
3dfc9b02 | 35 | struct security_hook_heads security_hook_heads __lsm_ro_after_init; |
d69dece5 | 36 | char *lsm_names; |
076c54c5 | 37 | /* Boot-time LSM user choice */ |
6e65f92f JJ |
38 | static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = |
39 | CONFIG_DEFAULT_SECURITY; | |
1da177e4 | 40 | |
1da177e4 LT |
41 | static void __init do_security_initcalls(void) |
42 | { | |
43 | initcall_t *call; | |
44 | call = __security_initcall_start; | |
45 | while (call < __security_initcall_end) { | |
46 | (*call) (); | |
47 | call++; | |
48 | } | |
49 | } | |
50 | ||
51 | /** | |
52 | * security_init - initializes the security framework | |
53 | * | |
54 | * This should be called early in the kernel initialization sequence. | |
55 | */ | |
56 | int __init security_init(void) | |
57 | { | |
3dfc9b02 TH |
58 | int i; |
59 | struct list_head *list = (struct list_head *) &security_hook_heads; | |
60 | ||
61 | for (i = 0; i < sizeof(security_hook_heads) / sizeof(struct list_head); | |
62 | i++) | |
63 | INIT_LIST_HEAD(&list[i]); | |
b1d9e6b0 | 64 | pr_info("Security Framework initialized\n"); |
1da177e4 | 65 | |
b1d9e6b0 | 66 | /* |
730daa16 | 67 | * Load minor LSMs, with the capability module always first. |
b1d9e6b0 CS |
68 | */ |
69 | capability_add_hooks(); | |
b1d9e6b0 | 70 | yama_add_hooks(); |
9b091556 | 71 | loadpin_add_hooks(); |
730daa16 | 72 | |
b1d9e6b0 | 73 | /* |
730daa16 | 74 | * Load all the remaining security modules. |
b1d9e6b0 | 75 | */ |
1da177e4 LT |
76 | do_security_initcalls(); |
77 | ||
78 | return 0; | |
79 | } | |
80 | ||
076c54c5 AD |
81 | /* Save user chosen LSM */ |
82 | static int __init choose_lsm(char *str) | |
83 | { | |
84 | strncpy(chosen_lsm, str, SECURITY_NAME_MAX); | |
85 | return 1; | |
86 | } | |
87 | __setup("security=", choose_lsm); | |
88 | ||
d69dece5 CS |
89 | static int lsm_append(char *new, char **result) |
90 | { | |
91 | char *cp; | |
92 | ||
93 | if (*result == NULL) { | |
94 | *result = kstrdup(new, GFP_KERNEL); | |
95 | } else { | |
96 | cp = kasprintf(GFP_KERNEL, "%s,%s", *result, new); | |
97 | if (cp == NULL) | |
98 | return -ENOMEM; | |
99 | kfree(*result); | |
100 | *result = cp; | |
101 | } | |
102 | return 0; | |
103 | } | |
104 | ||
076c54c5 AD |
105 | /** |
106 | * security_module_enable - Load given security module on boot ? | |
b1d9e6b0 | 107 | * @module: the name of the module |
076c54c5 AD |
108 | * |
109 | * Each LSM must pass this method before registering its own operations | |
110 | * to avoid security registration races. This method may also be used | |
7cea51be | 111 | * to check if your LSM is currently loaded during kernel initialization. |
076c54c5 | 112 | * |
0e056eb5 MCC |
113 | * Returns: |
114 | * | |
115 | * true if: | |
116 | * | |
117 | * - The passed LSM is the one chosen by user at boot time, | |
118 | * - or the passed LSM is configured as the default and the user did not | |
119 | * choose an alternate LSM at boot time. | |
120 | * | |
076c54c5 AD |
121 | * Otherwise, return false. |
122 | */ | |
b1d9e6b0 | 123 | int __init security_module_enable(const char *module) |
076c54c5 | 124 | { |
b1d9e6b0 | 125 | return !strcmp(module, chosen_lsm); |
076c54c5 AD |
126 | } |
127 | ||
d69dece5 CS |
128 | /** |
129 | * security_add_hooks - Add a modules hooks to the hook lists. | |
130 | * @hooks: the hooks to add | |
131 | * @count: the number of hooks to add | |
132 | * @lsm: the name of the security module | |
133 | * | |
134 | * Each LSM has to register its hooks with the infrastructure. | |
135 | */ | |
136 | void __init security_add_hooks(struct security_hook_list *hooks, int count, | |
137 | char *lsm) | |
138 | { | |
139 | int i; | |
140 | ||
141 | for (i = 0; i < count; i++) { | |
142 | hooks[i].lsm = lsm; | |
143 | list_add_tail_rcu(&hooks[i].list, hooks[i].head); | |
144 | } | |
145 | if (lsm_append(lsm, &lsm_names) < 0) | |
146 | panic("%s - Cannot get early memory.\n", __func__); | |
147 | } | |
148 | ||
f25fce3e | 149 | /* |
b1d9e6b0 | 150 | * Hook list operation macros. |
1da177e4 | 151 | * |
f25fce3e CS |
152 | * call_void_hook: |
153 | * This is a hook that does not return a value. | |
1da177e4 | 154 | * |
f25fce3e CS |
155 | * call_int_hook: |
156 | * This is a hook that returns a value. | |
1da177e4 | 157 | */ |
1da177e4 | 158 | |
b1d9e6b0 CS |
159 | #define call_void_hook(FUNC, ...) \ |
160 | do { \ | |
161 | struct security_hook_list *P; \ | |
162 | \ | |
163 | list_for_each_entry(P, &security_hook_heads.FUNC, list) \ | |
164 | P->hook.FUNC(__VA_ARGS__); \ | |
165 | } while (0) | |
166 | ||
167 | #define call_int_hook(FUNC, IRC, ...) ({ \ | |
168 | int RC = IRC; \ | |
169 | do { \ | |
170 | struct security_hook_list *P; \ | |
171 | \ | |
172 | list_for_each_entry(P, &security_hook_heads.FUNC, list) { \ | |
173 | RC = P->hook.FUNC(__VA_ARGS__); \ | |
174 | if (RC != 0) \ | |
175 | break; \ | |
176 | } \ | |
177 | } while (0); \ | |
178 | RC; \ | |
179 | }) | |
1da177e4 | 180 | |
20510f2f JM |
181 | /* Security operations */ |
182 | ||
79af7307 SS |
183 | int security_binder_set_context_mgr(struct task_struct *mgr) |
184 | { | |
f25fce3e | 185 | return call_int_hook(binder_set_context_mgr, 0, mgr); |
79af7307 SS |
186 | } |
187 | ||
188 | int security_binder_transaction(struct task_struct *from, | |
189 | struct task_struct *to) | |
190 | { | |
f25fce3e | 191 | return call_int_hook(binder_transaction, 0, from, to); |
79af7307 SS |
192 | } |
193 | ||
194 | int security_binder_transfer_binder(struct task_struct *from, | |
195 | struct task_struct *to) | |
196 | { | |
f25fce3e | 197 | return call_int_hook(binder_transfer_binder, 0, from, to); |
79af7307 SS |
198 | } |
199 | ||
200 | int security_binder_transfer_file(struct task_struct *from, | |
201 | struct task_struct *to, struct file *file) | |
202 | { | |
f25fce3e | 203 | return call_int_hook(binder_transfer_file, 0, from, to, file); |
79af7307 SS |
204 | } |
205 | ||
9e48858f | 206 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 207 | { |
f25fce3e | 208 | return call_int_hook(ptrace_access_check, 0, child, mode); |
5cd9c58f DH |
209 | } |
210 | ||
211 | int security_ptrace_traceme(struct task_struct *parent) | |
212 | { | |
f25fce3e | 213 | return call_int_hook(ptrace_traceme, 0, parent); |
20510f2f JM |
214 | } |
215 | ||
216 | int security_capget(struct task_struct *target, | |
217 | kernel_cap_t *effective, | |
218 | kernel_cap_t *inheritable, | |
219 | kernel_cap_t *permitted) | |
220 | { | |
f25fce3e CS |
221 | return call_int_hook(capget, 0, target, |
222 | effective, inheritable, permitted); | |
20510f2f JM |
223 | } |
224 | ||
d84f4f99 DH |
225 | int security_capset(struct cred *new, const struct cred *old, |
226 | const kernel_cap_t *effective, | |
227 | const kernel_cap_t *inheritable, | |
228 | const kernel_cap_t *permitted) | |
20510f2f | 229 | { |
f25fce3e CS |
230 | return call_int_hook(capset, 0, new, old, |
231 | effective, inheritable, permitted); | |
20510f2f JM |
232 | } |
233 | ||
b7e724d3 | 234 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 235 | int cap) |
20510f2f | 236 | { |
f25fce3e | 237 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
238 | } |
239 | ||
c7eba4a9 EP |
240 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
241 | int cap) | |
06112163 | 242 | { |
f25fce3e | 243 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
244 | } |
245 | ||
20510f2f JM |
246 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
247 | { | |
f25fce3e | 248 | return call_int_hook(quotactl, 0, cmds, type, id, sb); |
20510f2f JM |
249 | } |
250 | ||
251 | int security_quota_on(struct dentry *dentry) | |
252 | { | |
f25fce3e | 253 | return call_int_hook(quota_on, 0, dentry); |
20510f2f JM |
254 | } |
255 | ||
12b3052c | 256 | int security_syslog(int type) |
20510f2f | 257 | { |
f25fce3e | 258 | return call_int_hook(syslog, 0, type); |
20510f2f JM |
259 | } |
260 | ||
457db29b | 261 | int security_settime64(const struct timespec64 *ts, const struct timezone *tz) |
20510f2f | 262 | { |
f25fce3e | 263 | return call_int_hook(settime, 0, ts, tz); |
20510f2f JM |
264 | } |
265 | ||
20510f2f JM |
266 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
267 | { | |
b1d9e6b0 CS |
268 | struct security_hook_list *hp; |
269 | int cap_sys_admin = 1; | |
270 | int rc; | |
271 | ||
272 | /* | |
273 | * The module will respond with a positive value if | |
274 | * it thinks the __vm_enough_memory() call should be | |
275 | * made with the cap_sys_admin set. If all of the modules | |
276 | * agree that it should be set it will. If any module | |
277 | * thinks it should not be set it won't. | |
278 | */ | |
279 | list_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) { | |
280 | rc = hp->hook.vm_enough_memory(mm, pages); | |
281 | if (rc <= 0) { | |
282 | cap_sys_admin = 0; | |
283 | break; | |
284 | } | |
285 | } | |
286 | return __vm_enough_memory(mm, pages, cap_sys_admin); | |
20510f2f JM |
287 | } |
288 | ||
a6f76f23 | 289 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 290 | { |
f25fce3e | 291 | return call_int_hook(bprm_set_creds, 0, bprm); |
20510f2f JM |
292 | } |
293 | ||
a6f76f23 | 294 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 295 | { |
6c21a7fb MZ |
296 | int ret; |
297 | ||
f25fce3e | 298 | ret = call_int_hook(bprm_check_security, 0, bprm); |
6c21a7fb MZ |
299 | if (ret) |
300 | return ret; | |
301 | return ima_bprm_check(bprm); | |
20510f2f JM |
302 | } |
303 | ||
a6f76f23 | 304 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 305 | { |
f25fce3e | 306 | call_void_hook(bprm_committing_creds, bprm); |
20510f2f JM |
307 | } |
308 | ||
a6f76f23 | 309 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 310 | { |
f25fce3e | 311 | call_void_hook(bprm_committed_creds, bprm); |
20510f2f JM |
312 | } |
313 | ||
314 | int security_bprm_secureexec(struct linux_binprm *bprm) | |
315 | { | |
f25fce3e | 316 | return call_int_hook(bprm_secureexec, 0, bprm); |
20510f2f JM |
317 | } |
318 | ||
319 | int security_sb_alloc(struct super_block *sb) | |
320 | { | |
f25fce3e | 321 | return call_int_hook(sb_alloc_security, 0, sb); |
20510f2f JM |
322 | } |
323 | ||
324 | void security_sb_free(struct super_block *sb) | |
325 | { | |
f25fce3e | 326 | call_void_hook(sb_free_security, sb); |
20510f2f JM |
327 | } |
328 | ||
e0007529 | 329 | int security_sb_copy_data(char *orig, char *copy) |
20510f2f | 330 | { |
f25fce3e | 331 | return call_int_hook(sb_copy_data, 0, orig, copy); |
20510f2f | 332 | } |
e0007529 | 333 | EXPORT_SYMBOL(security_sb_copy_data); |
20510f2f | 334 | |
ff36fe2c EP |
335 | int security_sb_remount(struct super_block *sb, void *data) |
336 | { | |
f25fce3e | 337 | return call_int_hook(sb_remount, 0, sb, data); |
ff36fe2c EP |
338 | } |
339 | ||
12204e24 | 340 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
20510f2f | 341 | { |
f25fce3e | 342 | return call_int_hook(sb_kern_mount, 0, sb, flags, data); |
20510f2f JM |
343 | } |
344 | ||
2069f457 EP |
345 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
346 | { | |
f25fce3e | 347 | return call_int_hook(sb_show_options, 0, m, sb); |
2069f457 EP |
348 | } |
349 | ||
20510f2f JM |
350 | int security_sb_statfs(struct dentry *dentry) |
351 | { | |
f25fce3e | 352 | return call_int_hook(sb_statfs, 0, dentry); |
20510f2f JM |
353 | } |
354 | ||
8a04c43b | 355 | int security_sb_mount(const char *dev_name, const struct path *path, |
808d4e3c | 356 | const char *type, unsigned long flags, void *data) |
20510f2f | 357 | { |
f25fce3e | 358 | return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data); |
20510f2f JM |
359 | } |
360 | ||
20510f2f JM |
361 | int security_sb_umount(struct vfsmount *mnt, int flags) |
362 | { | |
f25fce3e | 363 | return call_int_hook(sb_umount, 0, mnt, flags); |
20510f2f JM |
364 | } |
365 | ||
3b73b68c | 366 | int security_sb_pivotroot(const struct path *old_path, const struct path *new_path) |
20510f2f | 367 | { |
f25fce3e | 368 | return call_int_hook(sb_pivotroot, 0, old_path, new_path); |
20510f2f JM |
369 | } |
370 | ||
c9180a57 | 371 | int security_sb_set_mnt_opts(struct super_block *sb, |
649f6e77 DQ |
372 | struct security_mnt_opts *opts, |
373 | unsigned long kern_flags, | |
374 | unsigned long *set_kern_flags) | |
c9180a57 | 375 | { |
b1d9e6b0 CS |
376 | return call_int_hook(sb_set_mnt_opts, |
377 | opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb, | |
378 | opts, kern_flags, set_kern_flags); | |
c9180a57 | 379 | } |
e0007529 | 380 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 381 | |
094f7b69 | 382 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
c9180a57 EP |
383 | struct super_block *newsb) |
384 | { | |
f25fce3e | 385 | return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb); |
c9180a57 | 386 | } |
e0007529 EP |
387 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
388 | ||
389 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
390 | { | |
f25fce3e | 391 | return call_int_hook(sb_parse_opts_str, 0, options, opts); |
e0007529 EP |
392 | } |
393 | EXPORT_SYMBOL(security_sb_parse_opts_str); | |
c9180a57 | 394 | |
20510f2f JM |
395 | int security_inode_alloc(struct inode *inode) |
396 | { | |
397 | inode->i_security = NULL; | |
f25fce3e | 398 | return call_int_hook(inode_alloc_security, 0, inode); |
20510f2f JM |
399 | } |
400 | ||
401 | void security_inode_free(struct inode *inode) | |
402 | { | |
f381c272 | 403 | integrity_inode_free(inode); |
f25fce3e | 404 | call_void_hook(inode_free_security, inode); |
20510f2f JM |
405 | } |
406 | ||
d47be3df | 407 | int security_dentry_init_security(struct dentry *dentry, int mode, |
4f3ccd76 | 408 | const struct qstr *name, void **ctx, |
d47be3df DQ |
409 | u32 *ctxlen) |
410 | { | |
b1d9e6b0 CS |
411 | return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode, |
412 | name, ctx, ctxlen); | |
d47be3df DQ |
413 | } |
414 | EXPORT_SYMBOL(security_dentry_init_security); | |
415 | ||
2602625b VG |
416 | int security_dentry_create_files_as(struct dentry *dentry, int mode, |
417 | struct qstr *name, | |
418 | const struct cred *old, struct cred *new) | |
419 | { | |
420 | return call_int_hook(dentry_create_files_as, 0, dentry, mode, | |
421 | name, old, new); | |
422 | } | |
423 | EXPORT_SYMBOL(security_dentry_create_files_as); | |
424 | ||
20510f2f | 425 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
426 | const struct qstr *qstr, |
427 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 428 | { |
823eb1cc MZ |
429 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
430 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
431 | int ret; |
432 | ||
20510f2f | 433 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 434 | return 0; |
9d8f13ba | 435 | |
9d8f13ba | 436 | if (!initxattrs) |
e308fd3b JB |
437 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, |
438 | dir, qstr, NULL, NULL, NULL); | |
9548906b | 439 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
9d8f13ba | 440 | lsm_xattr = new_xattrs; |
b1d9e6b0 | 441 | ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, |
9d8f13ba MZ |
442 | &lsm_xattr->name, |
443 | &lsm_xattr->value, | |
444 | &lsm_xattr->value_len); | |
445 | if (ret) | |
446 | goto out; | |
823eb1cc MZ |
447 | |
448 | evm_xattr = lsm_xattr + 1; | |
449 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
450 | if (ret) | |
451 | goto out; | |
9d8f13ba MZ |
452 | ret = initxattrs(inode, new_xattrs, fs_data); |
453 | out: | |
9548906b | 454 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
823eb1cc | 455 | kfree(xattr->value); |
9d8f13ba MZ |
456 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
457 | } | |
458 | EXPORT_SYMBOL(security_inode_init_security); | |
459 | ||
460 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 461 | const struct qstr *qstr, const char **name, |
9d8f13ba | 462 | void **value, size_t *len) |
20510f2f JM |
463 | { |
464 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 465 | return -EOPNOTSUPP; |
e308fd3b JB |
466 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, |
467 | qstr, name, value, len); | |
20510f2f | 468 | } |
9d8f13ba | 469 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 470 | |
be6d3e56 | 471 | #ifdef CONFIG_SECURITY_PATH |
d3607752 | 472 | int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
473 | unsigned int dev) |
474 | { | |
c6f493d6 | 475 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 476 | return 0; |
f25fce3e | 477 | return call_int_hook(path_mknod, 0, dir, dentry, mode, dev); |
be6d3e56 KT |
478 | } |
479 | EXPORT_SYMBOL(security_path_mknod); | |
480 | ||
d3607752 | 481 | int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 482 | { |
c6f493d6 | 483 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 484 | return 0; |
f25fce3e | 485 | return call_int_hook(path_mkdir, 0, dir, dentry, mode); |
be6d3e56 | 486 | } |
82140443 | 487 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 488 | |
989f74e0 | 489 | int security_path_rmdir(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 490 | { |
c6f493d6 | 491 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 492 | return 0; |
f25fce3e | 493 | return call_int_hook(path_rmdir, 0, dir, dentry); |
be6d3e56 KT |
494 | } |
495 | ||
989f74e0 | 496 | int security_path_unlink(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 497 | { |
c6f493d6 | 498 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 499 | return 0; |
f25fce3e | 500 | return call_int_hook(path_unlink, 0, dir, dentry); |
be6d3e56 | 501 | } |
82140443 | 502 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 503 | |
d3607752 | 504 | int security_path_symlink(const struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
505 | const char *old_name) |
506 | { | |
c6f493d6 | 507 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 508 | return 0; |
f25fce3e | 509 | return call_int_hook(path_symlink, 0, dir, dentry, old_name); |
be6d3e56 KT |
510 | } |
511 | ||
3ccee46a | 512 | int security_path_link(struct dentry *old_dentry, const struct path *new_dir, |
be6d3e56 KT |
513 | struct dentry *new_dentry) |
514 | { | |
c6f493d6 | 515 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
be6d3e56 | 516 | return 0; |
f25fce3e | 517 | return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry); |
be6d3e56 KT |
518 | } |
519 | ||
3ccee46a AV |
520 | int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, |
521 | const struct path *new_dir, struct dentry *new_dentry, | |
0b3974eb | 522 | unsigned int flags) |
be6d3e56 | 523 | { |
c6f493d6 DH |
524 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
525 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
be6d3e56 | 526 | return 0; |
da1ce067 MS |
527 | |
528 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e CS |
529 | int err = call_int_hook(path_rename, 0, new_dir, new_dentry, |
530 | old_dir, old_dentry); | |
da1ce067 MS |
531 | if (err) |
532 | return err; | |
533 | } | |
534 | ||
f25fce3e CS |
535 | return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, |
536 | new_dentry); | |
be6d3e56 | 537 | } |
82140443 | 538 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 539 | |
81f4c506 | 540 | int security_path_truncate(const struct path *path) |
be6d3e56 | 541 | { |
c6f493d6 | 542 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
be6d3e56 | 543 | return 0; |
f25fce3e | 544 | return call_int_hook(path_truncate, 0, path); |
be6d3e56 | 545 | } |
89eda068 | 546 | |
be01f9f2 | 547 | int security_path_chmod(const struct path *path, umode_t mode) |
89eda068 | 548 | { |
c6f493d6 | 549 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 550 | return 0; |
f25fce3e | 551 | return call_int_hook(path_chmod, 0, path, mode); |
89eda068 TH |
552 | } |
553 | ||
7fd25dac | 554 | int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
89eda068 | 555 | { |
c6f493d6 | 556 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 557 | return 0; |
f25fce3e | 558 | return call_int_hook(path_chown, 0, path, uid, gid); |
89eda068 | 559 | } |
8b8efb44 | 560 | |
77b286c0 | 561 | int security_path_chroot(const struct path *path) |
8b8efb44 | 562 | { |
f25fce3e | 563 | return call_int_hook(path_chroot, 0, path); |
8b8efb44 | 564 | } |
be6d3e56 KT |
565 | #endif |
566 | ||
4acdaf27 | 567 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
568 | { |
569 | if (unlikely(IS_PRIVATE(dir))) | |
570 | return 0; | |
f25fce3e | 571 | return call_int_hook(inode_create, 0, dir, dentry, mode); |
20510f2f | 572 | } |
800a9647 | 573 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
574 | |
575 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
576 | struct dentry *new_dentry) | |
577 | { | |
c6f493d6 | 578 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
20510f2f | 579 | return 0; |
f25fce3e | 580 | return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry); |
20510f2f JM |
581 | } |
582 | ||
583 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
584 | { | |
c6f493d6 | 585 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 586 | return 0; |
f25fce3e | 587 | return call_int_hook(inode_unlink, 0, dir, dentry); |
20510f2f JM |
588 | } |
589 | ||
590 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
591 | const char *old_name) | |
592 | { | |
593 | if (unlikely(IS_PRIVATE(dir))) | |
594 | return 0; | |
f25fce3e | 595 | return call_int_hook(inode_symlink, 0, dir, dentry, old_name); |
20510f2f JM |
596 | } |
597 | ||
18bb1db3 | 598 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
599 | { |
600 | if (unlikely(IS_PRIVATE(dir))) | |
601 | return 0; | |
f25fce3e | 602 | return call_int_hook(inode_mkdir, 0, dir, dentry, mode); |
20510f2f | 603 | } |
800a9647 | 604 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
605 | |
606 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
607 | { | |
c6f493d6 | 608 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 609 | return 0; |
f25fce3e | 610 | return call_int_hook(inode_rmdir, 0, dir, dentry); |
20510f2f JM |
611 | } |
612 | ||
1a67aafb | 613 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
614 | { |
615 | if (unlikely(IS_PRIVATE(dir))) | |
616 | return 0; | |
f25fce3e | 617 | return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev); |
20510f2f JM |
618 | } |
619 | ||
620 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
621 | struct inode *new_dir, struct dentry *new_dentry, |
622 | unsigned int flags) | |
20510f2f | 623 | { |
c6f493d6 DH |
624 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
625 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
20510f2f | 626 | return 0; |
da1ce067 MS |
627 | |
628 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e | 629 | int err = call_int_hook(inode_rename, 0, new_dir, new_dentry, |
da1ce067 MS |
630 | old_dir, old_dentry); |
631 | if (err) | |
632 | return err; | |
633 | } | |
634 | ||
f25fce3e | 635 | return call_int_hook(inode_rename, 0, old_dir, old_dentry, |
20510f2f JM |
636 | new_dir, new_dentry); |
637 | } | |
638 | ||
639 | int security_inode_readlink(struct dentry *dentry) | |
640 | { | |
c6f493d6 | 641 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 642 | return 0; |
f25fce3e | 643 | return call_int_hook(inode_readlink, 0, dentry); |
20510f2f JM |
644 | } |
645 | ||
bda0be7a N |
646 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
647 | bool rcu) | |
20510f2f | 648 | { |
bda0be7a | 649 | if (unlikely(IS_PRIVATE(inode))) |
20510f2f | 650 | return 0; |
e22619a2 | 651 | return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); |
20510f2f JM |
652 | } |
653 | ||
b77b0646 | 654 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
655 | { |
656 | if (unlikely(IS_PRIVATE(inode))) | |
657 | return 0; | |
f25fce3e | 658 | return call_int_hook(inode_permission, 0, inode, mask); |
20510f2f JM |
659 | } |
660 | ||
661 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
662 | { | |
817b54aa MZ |
663 | int ret; |
664 | ||
c6f493d6 | 665 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 666 | return 0; |
f25fce3e | 667 | ret = call_int_hook(inode_setattr, 0, dentry, attr); |
817b54aa MZ |
668 | if (ret) |
669 | return ret; | |
670 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 671 | } |
b1da47e2 | 672 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 673 | |
3f7036a0 | 674 | int security_inode_getattr(const struct path *path) |
20510f2f | 675 | { |
c6f493d6 | 676 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 677 | return 0; |
f25fce3e | 678 | return call_int_hook(inode_getattr, 0, path); |
20510f2f JM |
679 | } |
680 | ||
8f0cfa52 DH |
681 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
682 | const void *value, size_t size, int flags) | |
20510f2f | 683 | { |
3e1be52d MZ |
684 | int ret; |
685 | ||
c6f493d6 | 686 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 687 | return 0; |
b1d9e6b0 CS |
688 | /* |
689 | * SELinux and Smack integrate the cap call, | |
690 | * so assume that all LSMs supplying this call do so. | |
691 | */ | |
692 | ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, | |
f25fce3e | 693 | flags); |
b1d9e6b0 CS |
694 | |
695 | if (ret == 1) | |
696 | ret = cap_inode_setxattr(dentry, name, value, size, flags); | |
42c63330 MZ |
697 | if (ret) |
698 | return ret; | |
699 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
700 | if (ret) |
701 | return ret; | |
702 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
703 | } |
704 | ||
8f0cfa52 DH |
705 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
706 | const void *value, size_t size, int flags) | |
20510f2f | 707 | { |
c6f493d6 | 708 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 709 | return; |
f25fce3e | 710 | call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); |
3e1be52d | 711 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
712 | } |
713 | ||
8f0cfa52 | 714 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 715 | { |
c6f493d6 | 716 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 717 | return 0; |
f25fce3e | 718 | return call_int_hook(inode_getxattr, 0, dentry, name); |
20510f2f JM |
719 | } |
720 | ||
721 | int security_inode_listxattr(struct dentry *dentry) | |
722 | { | |
c6f493d6 | 723 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 724 | return 0; |
f25fce3e | 725 | return call_int_hook(inode_listxattr, 0, dentry); |
20510f2f JM |
726 | } |
727 | ||
8f0cfa52 | 728 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 729 | { |
3e1be52d MZ |
730 | int ret; |
731 | ||
c6f493d6 | 732 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 733 | return 0; |
b1d9e6b0 CS |
734 | /* |
735 | * SELinux and Smack integrate the cap call, | |
736 | * so assume that all LSMs supplying this call do so. | |
737 | */ | |
738 | ret = call_int_hook(inode_removexattr, 1, dentry, name); | |
739 | if (ret == 1) | |
740 | ret = cap_inode_removexattr(dentry, name); | |
42c63330 MZ |
741 | if (ret) |
742 | return ret; | |
743 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
744 | if (ret) |
745 | return ret; | |
746 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
747 | } |
748 | ||
b5376771 SH |
749 | int security_inode_need_killpriv(struct dentry *dentry) |
750 | { | |
f25fce3e | 751 | return call_int_hook(inode_need_killpriv, 0, dentry); |
b5376771 SH |
752 | } |
753 | ||
754 | int security_inode_killpriv(struct dentry *dentry) | |
755 | { | |
f25fce3e | 756 | return call_int_hook(inode_killpriv, 0, dentry); |
b5376771 SH |
757 | } |
758 | ||
ea861dfd | 759 | int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f | 760 | { |
2885c1e3 CS |
761 | struct security_hook_list *hp; |
762 | int rc; | |
763 | ||
20510f2f | 764 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 765 | return -EOPNOTSUPP; |
2885c1e3 CS |
766 | /* |
767 | * Only one module will provide an attribute with a given name. | |
768 | */ | |
769 | list_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { | |
770 | rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); | |
771 | if (rc != -EOPNOTSUPP) | |
772 | return rc; | |
773 | } | |
774 | return -EOPNOTSUPP; | |
20510f2f JM |
775 | } |
776 | ||
777 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
778 | { | |
2885c1e3 CS |
779 | struct security_hook_list *hp; |
780 | int rc; | |
781 | ||
20510f2f | 782 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 783 | return -EOPNOTSUPP; |
2885c1e3 CS |
784 | /* |
785 | * Only one module will provide an attribute with a given name. | |
786 | */ | |
787 | list_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { | |
788 | rc = hp->hook.inode_setsecurity(inode, name, value, size, | |
789 | flags); | |
790 | if (rc != -EOPNOTSUPP) | |
791 | return rc; | |
792 | } | |
793 | return -EOPNOTSUPP; | |
20510f2f JM |
794 | } |
795 | ||
796 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
797 | { | |
798 | if (unlikely(IS_PRIVATE(inode))) | |
799 | return 0; | |
f25fce3e | 800 | return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); |
20510f2f | 801 | } |
c9bccef6 | 802 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 803 | |
d6335d77 | 804 | void security_inode_getsecid(struct inode *inode, u32 *secid) |
8a076191 | 805 | { |
f25fce3e | 806 | call_void_hook(inode_getsecid, inode, secid); |
8a076191 AD |
807 | } |
808 | ||
d8ad8b49 VG |
809 | int security_inode_copy_up(struct dentry *src, struct cred **new) |
810 | { | |
811 | return call_int_hook(inode_copy_up, 0, src, new); | |
812 | } | |
813 | EXPORT_SYMBOL(security_inode_copy_up); | |
814 | ||
121ab822 VG |
815 | int security_inode_copy_up_xattr(const char *name) |
816 | { | |
817 | return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); | |
818 | } | |
819 | EXPORT_SYMBOL(security_inode_copy_up_xattr); | |
820 | ||
20510f2f JM |
821 | int security_file_permission(struct file *file, int mask) |
822 | { | |
c4ec54b4 EP |
823 | int ret; |
824 | ||
f25fce3e | 825 | ret = call_int_hook(file_permission, 0, file, mask); |
c4ec54b4 EP |
826 | if (ret) |
827 | return ret; | |
828 | ||
829 | return fsnotify_perm(file, mask); | |
20510f2f JM |
830 | } |
831 | ||
832 | int security_file_alloc(struct file *file) | |
833 | { | |
f25fce3e | 834 | return call_int_hook(file_alloc_security, 0, file); |
20510f2f JM |
835 | } |
836 | ||
837 | void security_file_free(struct file *file) | |
838 | { | |
f25fce3e | 839 | call_void_hook(file_free_security, file); |
20510f2f JM |
840 | } |
841 | ||
842 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
843 | { | |
f25fce3e | 844 | return call_int_hook(file_ioctl, 0, file, cmd, arg); |
20510f2f JM |
845 | } |
846 | ||
98de59bf | 847 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 848 | { |
8b3ec681 | 849 | /* |
98de59bf AV |
850 | * Does we have PROT_READ and does the application expect |
851 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 852 | */ |
98de59bf AV |
853 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
854 | return prot; | |
8b3ec681 | 855 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
856 | return prot; |
857 | /* | |
858 | * if that's an anonymous mapping, let it. | |
859 | */ | |
860 | if (!file) | |
861 | return prot | PROT_EXEC; | |
862 | /* | |
863 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 864 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf | 865 | */ |
90f8572b | 866 | if (!path_noexec(&file->f_path)) { |
8b3ec681 | 867 | #ifndef CONFIG_MMU |
b4caecd4 CH |
868 | if (file->f_op->mmap_capabilities) { |
869 | unsigned caps = file->f_op->mmap_capabilities(file); | |
870 | if (!(caps & NOMMU_MAP_EXEC)) | |
871 | return prot; | |
872 | } | |
8b3ec681 | 873 | #endif |
98de59bf | 874 | return prot | PROT_EXEC; |
8b3ec681 | 875 | } |
98de59bf AV |
876 | /* anything on noexec mount won't get PROT_EXEC */ |
877 | return prot; | |
878 | } | |
879 | ||
880 | int security_mmap_file(struct file *file, unsigned long prot, | |
881 | unsigned long flags) | |
882 | { | |
883 | int ret; | |
f25fce3e | 884 | ret = call_int_hook(mmap_file, 0, file, prot, |
98de59bf | 885 | mmap_prot(file, prot), flags); |
6c21a7fb MZ |
886 | if (ret) |
887 | return ret; | |
888 | return ima_file_mmap(file, prot); | |
20510f2f JM |
889 | } |
890 | ||
e5467859 AV |
891 | int security_mmap_addr(unsigned long addr) |
892 | { | |
f25fce3e | 893 | return call_int_hook(mmap_addr, 0, addr); |
e5467859 AV |
894 | } |
895 | ||
20510f2f JM |
896 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
897 | unsigned long prot) | |
898 | { | |
f25fce3e | 899 | return call_int_hook(file_mprotect, 0, vma, reqprot, prot); |
20510f2f JM |
900 | } |
901 | ||
902 | int security_file_lock(struct file *file, unsigned int cmd) | |
903 | { | |
f25fce3e | 904 | return call_int_hook(file_lock, 0, file, cmd); |
20510f2f JM |
905 | } |
906 | ||
907 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
908 | { | |
f25fce3e | 909 | return call_int_hook(file_fcntl, 0, file, cmd, arg); |
20510f2f JM |
910 | } |
911 | ||
e0b93edd | 912 | void security_file_set_fowner(struct file *file) |
20510f2f | 913 | { |
f25fce3e | 914 | call_void_hook(file_set_fowner, file); |
20510f2f JM |
915 | } |
916 | ||
917 | int security_file_send_sigiotask(struct task_struct *tsk, | |
918 | struct fown_struct *fown, int sig) | |
919 | { | |
f25fce3e | 920 | return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); |
20510f2f JM |
921 | } |
922 | ||
923 | int security_file_receive(struct file *file) | |
924 | { | |
f25fce3e | 925 | return call_int_hook(file_receive, 0, file); |
20510f2f JM |
926 | } |
927 | ||
83d49856 | 928 | int security_file_open(struct file *file, const struct cred *cred) |
20510f2f | 929 | { |
c4ec54b4 EP |
930 | int ret; |
931 | ||
f25fce3e | 932 | ret = call_int_hook(file_open, 0, file, cred); |
c4ec54b4 EP |
933 | if (ret) |
934 | return ret; | |
935 | ||
936 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
937 | } |
938 | ||
939 | int security_task_create(unsigned long clone_flags) | |
940 | { | |
f25fce3e | 941 | return call_int_hook(task_create, 0, clone_flags); |
20510f2f JM |
942 | } |
943 | ||
e4e55b47 TH |
944 | int security_task_alloc(struct task_struct *task, unsigned long clone_flags) |
945 | { | |
946 | return call_int_hook(task_alloc, 0, task, clone_flags); | |
947 | } | |
948 | ||
1a2a4d06 KC |
949 | void security_task_free(struct task_struct *task) |
950 | { | |
f25fce3e | 951 | call_void_hook(task_free, task); |
1a2a4d06 KC |
952 | } |
953 | ||
ee18d64c DH |
954 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
955 | { | |
f25fce3e | 956 | return call_int_hook(cred_alloc_blank, 0, cred, gfp); |
ee18d64c DH |
957 | } |
958 | ||
d84f4f99 | 959 | void security_cred_free(struct cred *cred) |
20510f2f | 960 | { |
f25fce3e | 961 | call_void_hook(cred_free, cred); |
20510f2f JM |
962 | } |
963 | ||
d84f4f99 | 964 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 965 | { |
f25fce3e | 966 | return call_int_hook(cred_prepare, 0, new, old, gfp); |
d84f4f99 DH |
967 | } |
968 | ||
ee18d64c DH |
969 | void security_transfer_creds(struct cred *new, const struct cred *old) |
970 | { | |
f25fce3e | 971 | call_void_hook(cred_transfer, new, old); |
ee18d64c DH |
972 | } |
973 | ||
3a3b7ce9 DH |
974 | int security_kernel_act_as(struct cred *new, u32 secid) |
975 | { | |
f25fce3e | 976 | return call_int_hook(kernel_act_as, 0, new, secid); |
3a3b7ce9 DH |
977 | } |
978 | ||
979 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
980 | { | |
f25fce3e | 981 | return call_int_hook(kernel_create_files_as, 0, new, inode); |
3a3b7ce9 DH |
982 | } |
983 | ||
dd8dbf2e | 984 | int security_kernel_module_request(char *kmod_name) |
9188499c | 985 | { |
f25fce3e | 986 | return call_int_hook(kernel_module_request, 0, kmod_name); |
9188499c EP |
987 | } |
988 | ||
39eeb4fb MZ |
989 | int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) |
990 | { | |
991 | int ret; | |
992 | ||
993 | ret = call_int_hook(kernel_read_file, 0, file, id); | |
994 | if (ret) | |
995 | return ret; | |
996 | return ima_read_file(file, id); | |
997 | } | |
998 | EXPORT_SYMBOL_GPL(security_kernel_read_file); | |
999 | ||
bc8ca5b9 MZ |
1000 | int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, |
1001 | enum kernel_read_file_id id) | |
b44a7dfc | 1002 | { |
cf222217 MZ |
1003 | int ret; |
1004 | ||
1005 | ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); | |
1006 | if (ret) | |
1007 | return ret; | |
1008 | return ima_post_read_file(file, buf, size, id); | |
b44a7dfc MZ |
1009 | } |
1010 | EXPORT_SYMBOL_GPL(security_kernel_post_read_file); | |
1011 | ||
d84f4f99 DH |
1012 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
1013 | int flags) | |
20510f2f | 1014 | { |
f25fce3e | 1015 | return call_int_hook(task_fix_setuid, 0, new, old, flags); |
20510f2f JM |
1016 | } |
1017 | ||
20510f2f JM |
1018 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
1019 | { | |
f25fce3e | 1020 | return call_int_hook(task_setpgid, 0, p, pgid); |
20510f2f JM |
1021 | } |
1022 | ||
1023 | int security_task_getpgid(struct task_struct *p) | |
1024 | { | |
f25fce3e | 1025 | return call_int_hook(task_getpgid, 0, p); |
20510f2f JM |
1026 | } |
1027 | ||
1028 | int security_task_getsid(struct task_struct *p) | |
1029 | { | |
f25fce3e | 1030 | return call_int_hook(task_getsid, 0, p); |
20510f2f JM |
1031 | } |
1032 | ||
1033 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
1034 | { | |
b1d9e6b0 | 1035 | *secid = 0; |
f25fce3e | 1036 | call_void_hook(task_getsecid, p, secid); |
20510f2f JM |
1037 | } |
1038 | EXPORT_SYMBOL(security_task_getsecid); | |
1039 | ||
20510f2f JM |
1040 | int security_task_setnice(struct task_struct *p, int nice) |
1041 | { | |
f25fce3e | 1042 | return call_int_hook(task_setnice, 0, p, nice); |
20510f2f JM |
1043 | } |
1044 | ||
1045 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
1046 | { | |
f25fce3e | 1047 | return call_int_hook(task_setioprio, 0, p, ioprio); |
20510f2f JM |
1048 | } |
1049 | ||
1050 | int security_task_getioprio(struct task_struct *p) | |
1051 | { | |
f25fce3e | 1052 | return call_int_hook(task_getioprio, 0, p); |
20510f2f JM |
1053 | } |
1054 | ||
791ec491 SS |
1055 | int security_task_prlimit(const struct cred *cred, const struct cred *tcred, |
1056 | unsigned int flags) | |
1057 | { | |
1058 | return call_int_hook(task_prlimit, 0, cred, tcred, flags); | |
1059 | } | |
1060 | ||
8fd00b4d JS |
1061 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
1062 | struct rlimit *new_rlim) | |
20510f2f | 1063 | { |
f25fce3e | 1064 | return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); |
20510f2f JM |
1065 | } |
1066 | ||
b0ae1981 | 1067 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 1068 | { |
f25fce3e | 1069 | return call_int_hook(task_setscheduler, 0, p); |
20510f2f JM |
1070 | } |
1071 | ||
1072 | int security_task_getscheduler(struct task_struct *p) | |
1073 | { | |
f25fce3e | 1074 | return call_int_hook(task_getscheduler, 0, p); |
20510f2f JM |
1075 | } |
1076 | ||
1077 | int security_task_movememory(struct task_struct *p) | |
1078 | { | |
f25fce3e | 1079 | return call_int_hook(task_movememory, 0, p); |
20510f2f JM |
1080 | } |
1081 | ||
1082 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
1083 | int sig, u32 secid) | |
1084 | { | |
f25fce3e | 1085 | return call_int_hook(task_kill, 0, p, info, sig, secid); |
20510f2f JM |
1086 | } |
1087 | ||
20510f2f | 1088 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
d84f4f99 | 1089 | unsigned long arg4, unsigned long arg5) |
20510f2f | 1090 | { |
b1d9e6b0 CS |
1091 | int thisrc; |
1092 | int rc = -ENOSYS; | |
1093 | struct security_hook_list *hp; | |
1094 | ||
1095 | list_for_each_entry(hp, &security_hook_heads.task_prctl, list) { | |
1096 | thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); | |
1097 | if (thisrc != -ENOSYS) { | |
1098 | rc = thisrc; | |
1099 | if (thisrc != 0) | |
1100 | break; | |
1101 | } | |
1102 | } | |
1103 | return rc; | |
20510f2f JM |
1104 | } |
1105 | ||
1106 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
1107 | { | |
f25fce3e | 1108 | call_void_hook(task_to_inode, p, inode); |
20510f2f JM |
1109 | } |
1110 | ||
1111 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
1112 | { | |
f25fce3e | 1113 | return call_int_hook(ipc_permission, 0, ipcp, flag); |
20510f2f JM |
1114 | } |
1115 | ||
8a076191 AD |
1116 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
1117 | { | |
b1d9e6b0 | 1118 | *secid = 0; |
f25fce3e | 1119 | call_void_hook(ipc_getsecid, ipcp, secid); |
8a076191 AD |
1120 | } |
1121 | ||
20510f2f JM |
1122 | int security_msg_msg_alloc(struct msg_msg *msg) |
1123 | { | |
f25fce3e | 1124 | return call_int_hook(msg_msg_alloc_security, 0, msg); |
20510f2f JM |
1125 | } |
1126 | ||
1127 | void security_msg_msg_free(struct msg_msg *msg) | |
1128 | { | |
f25fce3e | 1129 | call_void_hook(msg_msg_free_security, msg); |
20510f2f JM |
1130 | } |
1131 | ||
1132 | int security_msg_queue_alloc(struct msg_queue *msq) | |
1133 | { | |
f25fce3e | 1134 | return call_int_hook(msg_queue_alloc_security, 0, msq); |
20510f2f JM |
1135 | } |
1136 | ||
1137 | void security_msg_queue_free(struct msg_queue *msq) | |
1138 | { | |
f25fce3e | 1139 | call_void_hook(msg_queue_free_security, msq); |
20510f2f JM |
1140 | } |
1141 | ||
1142 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
1143 | { | |
f25fce3e | 1144 | return call_int_hook(msg_queue_associate, 0, msq, msqflg); |
20510f2f JM |
1145 | } |
1146 | ||
1147 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
1148 | { | |
f25fce3e | 1149 | return call_int_hook(msg_queue_msgctl, 0, msq, cmd); |
20510f2f JM |
1150 | } |
1151 | ||
1152 | int security_msg_queue_msgsnd(struct msg_queue *msq, | |
1153 | struct msg_msg *msg, int msqflg) | |
1154 | { | |
f25fce3e | 1155 | return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); |
20510f2f JM |
1156 | } |
1157 | ||
1158 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
1159 | struct task_struct *target, long type, int mode) | |
1160 | { | |
f25fce3e | 1161 | return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); |
20510f2f JM |
1162 | } |
1163 | ||
1164 | int security_shm_alloc(struct shmid_kernel *shp) | |
1165 | { | |
f25fce3e | 1166 | return call_int_hook(shm_alloc_security, 0, shp); |
20510f2f JM |
1167 | } |
1168 | ||
1169 | void security_shm_free(struct shmid_kernel *shp) | |
1170 | { | |
f25fce3e | 1171 | call_void_hook(shm_free_security, shp); |
20510f2f JM |
1172 | } |
1173 | ||
1174 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) | |
1175 | { | |
f25fce3e | 1176 | return call_int_hook(shm_associate, 0, shp, shmflg); |
20510f2f JM |
1177 | } |
1178 | ||
1179 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
1180 | { | |
f25fce3e | 1181 | return call_int_hook(shm_shmctl, 0, shp, cmd); |
20510f2f JM |
1182 | } |
1183 | ||
1184 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) | |
1185 | { | |
f25fce3e | 1186 | return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); |
20510f2f JM |
1187 | } |
1188 | ||
1189 | int security_sem_alloc(struct sem_array *sma) | |
1190 | { | |
f25fce3e | 1191 | return call_int_hook(sem_alloc_security, 0, sma); |
20510f2f JM |
1192 | } |
1193 | ||
1194 | void security_sem_free(struct sem_array *sma) | |
1195 | { | |
f25fce3e | 1196 | call_void_hook(sem_free_security, sma); |
20510f2f JM |
1197 | } |
1198 | ||
1199 | int security_sem_associate(struct sem_array *sma, int semflg) | |
1200 | { | |
f25fce3e | 1201 | return call_int_hook(sem_associate, 0, sma, semflg); |
20510f2f JM |
1202 | } |
1203 | ||
1204 | int security_sem_semctl(struct sem_array *sma, int cmd) | |
1205 | { | |
f25fce3e | 1206 | return call_int_hook(sem_semctl, 0, sma, cmd); |
20510f2f JM |
1207 | } |
1208 | ||
1209 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
1210 | unsigned nsops, int alter) | |
1211 | { | |
f25fce3e | 1212 | return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); |
20510f2f JM |
1213 | } |
1214 | ||
1215 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1216 | { | |
1217 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1218 | return; | |
f25fce3e | 1219 | call_void_hook(d_instantiate, dentry, inode); |
20510f2f JM |
1220 | } |
1221 | EXPORT_SYMBOL(security_d_instantiate); | |
1222 | ||
1223 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1224 | { | |
b1d9e6b0 | 1225 | return call_int_hook(getprocattr, -EINVAL, p, name, value); |
20510f2f JM |
1226 | } |
1227 | ||
b21507e2 | 1228 | int security_setprocattr(const char *name, void *value, size_t size) |
20510f2f | 1229 | { |
b21507e2 | 1230 | return call_int_hook(setprocattr, -EINVAL, name, value, size); |
20510f2f JM |
1231 | } |
1232 | ||
1233 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1234 | { | |
f25fce3e | 1235 | return call_int_hook(netlink_send, 0, sk, skb); |
20510f2f | 1236 | } |
20510f2f | 1237 | |
746df9b5 DQ |
1238 | int security_ismaclabel(const char *name) |
1239 | { | |
f25fce3e | 1240 | return call_int_hook(ismaclabel, 0, name); |
746df9b5 DQ |
1241 | } |
1242 | EXPORT_SYMBOL(security_ismaclabel); | |
1243 | ||
20510f2f JM |
1244 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1245 | { | |
b1d9e6b0 CS |
1246 | return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, |
1247 | seclen); | |
20510f2f JM |
1248 | } |
1249 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1250 | ||
7bf570dc | 1251 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 | 1252 | { |
b1d9e6b0 | 1253 | *secid = 0; |
f25fce3e | 1254 | return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); |
63cb3449 DH |
1255 | } |
1256 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1257 | ||
20510f2f JM |
1258 | void security_release_secctx(char *secdata, u32 seclen) |
1259 | { | |
f25fce3e | 1260 | call_void_hook(release_secctx, secdata, seclen); |
20510f2f JM |
1261 | } |
1262 | EXPORT_SYMBOL(security_release_secctx); | |
1263 | ||
6f3be9f5 AG |
1264 | void security_inode_invalidate_secctx(struct inode *inode) |
1265 | { | |
1266 | call_void_hook(inode_invalidate_secctx, inode); | |
1267 | } | |
1268 | EXPORT_SYMBOL(security_inode_invalidate_secctx); | |
1269 | ||
1ee65e37 DQ |
1270 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1271 | { | |
f25fce3e | 1272 | return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); |
1ee65e37 DQ |
1273 | } |
1274 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1275 | ||
1276 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1277 | { | |
f25fce3e | 1278 | return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); |
1ee65e37 DQ |
1279 | } |
1280 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1281 | ||
1282 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1283 | { | |
b1d9e6b0 | 1284 | return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); |
1ee65e37 DQ |
1285 | } |
1286 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1287 | ||
20510f2f JM |
1288 | #ifdef CONFIG_SECURITY_NETWORK |
1289 | ||
3610cda5 | 1290 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f | 1291 | { |
f25fce3e | 1292 | return call_int_hook(unix_stream_connect, 0, sock, other, newsk); |
20510f2f JM |
1293 | } |
1294 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1295 | ||
1296 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1297 | { | |
f25fce3e | 1298 | return call_int_hook(unix_may_send, 0, sock, other); |
20510f2f JM |
1299 | } |
1300 | EXPORT_SYMBOL(security_unix_may_send); | |
1301 | ||
1302 | int security_socket_create(int family, int type, int protocol, int kern) | |
1303 | { | |
f25fce3e | 1304 | return call_int_hook(socket_create, 0, family, type, protocol, kern); |
20510f2f JM |
1305 | } |
1306 | ||
1307 | int security_socket_post_create(struct socket *sock, int family, | |
1308 | int type, int protocol, int kern) | |
1309 | { | |
f25fce3e | 1310 | return call_int_hook(socket_post_create, 0, sock, family, type, |
20510f2f JM |
1311 | protocol, kern); |
1312 | } | |
1313 | ||
1314 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) | |
1315 | { | |
f25fce3e | 1316 | return call_int_hook(socket_bind, 0, sock, address, addrlen); |
20510f2f JM |
1317 | } |
1318 | ||
1319 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1320 | { | |
f25fce3e | 1321 | return call_int_hook(socket_connect, 0, sock, address, addrlen); |
20510f2f JM |
1322 | } |
1323 | ||
1324 | int security_socket_listen(struct socket *sock, int backlog) | |
1325 | { | |
f25fce3e | 1326 | return call_int_hook(socket_listen, 0, sock, backlog); |
20510f2f JM |
1327 | } |
1328 | ||
1329 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1330 | { | |
f25fce3e | 1331 | return call_int_hook(socket_accept, 0, sock, newsock); |
20510f2f JM |
1332 | } |
1333 | ||
20510f2f JM |
1334 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1335 | { | |
f25fce3e | 1336 | return call_int_hook(socket_sendmsg, 0, sock, msg, size); |
20510f2f JM |
1337 | } |
1338 | ||
1339 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1340 | int size, int flags) | |
1341 | { | |
f25fce3e | 1342 | return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); |
20510f2f JM |
1343 | } |
1344 | ||
1345 | int security_socket_getsockname(struct socket *sock) | |
1346 | { | |
f25fce3e | 1347 | return call_int_hook(socket_getsockname, 0, sock); |
20510f2f JM |
1348 | } |
1349 | ||
1350 | int security_socket_getpeername(struct socket *sock) | |
1351 | { | |
f25fce3e | 1352 | return call_int_hook(socket_getpeername, 0, sock); |
20510f2f JM |
1353 | } |
1354 | ||
1355 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1356 | { | |
f25fce3e | 1357 | return call_int_hook(socket_getsockopt, 0, sock, level, optname); |
20510f2f JM |
1358 | } |
1359 | ||
1360 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1361 | { | |
f25fce3e | 1362 | return call_int_hook(socket_setsockopt, 0, sock, level, optname); |
20510f2f JM |
1363 | } |
1364 | ||
1365 | int security_socket_shutdown(struct socket *sock, int how) | |
1366 | { | |
f25fce3e | 1367 | return call_int_hook(socket_shutdown, 0, sock, how); |
20510f2f JM |
1368 | } |
1369 | ||
1370 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1371 | { | |
f25fce3e | 1372 | return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); |
20510f2f JM |
1373 | } |
1374 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1375 | ||
1376 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1377 | int __user *optlen, unsigned len) | |
1378 | { | |
b1d9e6b0 CS |
1379 | return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, |
1380 | optval, optlen, len); | |
20510f2f JM |
1381 | } |
1382 | ||
1383 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1384 | { | |
e308fd3b JB |
1385 | return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, |
1386 | skb, secid); | |
20510f2f JM |
1387 | } |
1388 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1389 | ||
1390 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1391 | { | |
f25fce3e | 1392 | return call_int_hook(sk_alloc_security, 0, sk, family, priority); |
20510f2f JM |
1393 | } |
1394 | ||
1395 | void security_sk_free(struct sock *sk) | |
1396 | { | |
f25fce3e | 1397 | call_void_hook(sk_free_security, sk); |
20510f2f JM |
1398 | } |
1399 | ||
1400 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1401 | { | |
f25fce3e | 1402 | call_void_hook(sk_clone_security, sk, newsk); |
20510f2f | 1403 | } |
6230c9b4 | 1404 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1405 | |
1406 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1407 | { | |
f25fce3e | 1408 | call_void_hook(sk_getsecid, sk, &fl->flowi_secid); |
20510f2f JM |
1409 | } |
1410 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1411 | ||
1412 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1413 | { | |
f25fce3e | 1414 | call_void_hook(req_classify_flow, req, fl); |
20510f2f JM |
1415 | } |
1416 | EXPORT_SYMBOL(security_req_classify_flow); | |
1417 | ||
1418 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1419 | { | |
f25fce3e | 1420 | call_void_hook(sock_graft, sk, parent); |
20510f2f JM |
1421 | } |
1422 | EXPORT_SYMBOL(security_sock_graft); | |
1423 | ||
1424 | int security_inet_conn_request(struct sock *sk, | |
1425 | struct sk_buff *skb, struct request_sock *req) | |
1426 | { | |
f25fce3e | 1427 | return call_int_hook(inet_conn_request, 0, sk, skb, req); |
20510f2f JM |
1428 | } |
1429 | EXPORT_SYMBOL(security_inet_conn_request); | |
1430 | ||
1431 | void security_inet_csk_clone(struct sock *newsk, | |
1432 | const struct request_sock *req) | |
1433 | { | |
f25fce3e | 1434 | call_void_hook(inet_csk_clone, newsk, req); |
20510f2f JM |
1435 | } |
1436 | ||
1437 | void security_inet_conn_established(struct sock *sk, | |
1438 | struct sk_buff *skb) | |
1439 | { | |
f25fce3e | 1440 | call_void_hook(inet_conn_established, sk, skb); |
20510f2f JM |
1441 | } |
1442 | ||
2606fd1f EP |
1443 | int security_secmark_relabel_packet(u32 secid) |
1444 | { | |
f25fce3e | 1445 | return call_int_hook(secmark_relabel_packet, 0, secid); |
2606fd1f EP |
1446 | } |
1447 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1448 | ||
1449 | void security_secmark_refcount_inc(void) | |
1450 | { | |
f25fce3e | 1451 | call_void_hook(secmark_refcount_inc); |
2606fd1f EP |
1452 | } |
1453 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1454 | ||
1455 | void security_secmark_refcount_dec(void) | |
1456 | { | |
f25fce3e | 1457 | call_void_hook(secmark_refcount_dec); |
2606fd1f EP |
1458 | } |
1459 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1460 | ||
5dbbaf2d PM |
1461 | int security_tun_dev_alloc_security(void **security) |
1462 | { | |
f25fce3e | 1463 | return call_int_hook(tun_dev_alloc_security, 0, security); |
5dbbaf2d PM |
1464 | } |
1465 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1466 | ||
1467 | void security_tun_dev_free_security(void *security) | |
1468 | { | |
f25fce3e | 1469 | call_void_hook(tun_dev_free_security, security); |
5dbbaf2d PM |
1470 | } |
1471 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1472 | ||
2b980dbd PM |
1473 | int security_tun_dev_create(void) |
1474 | { | |
f25fce3e | 1475 | return call_int_hook(tun_dev_create, 0); |
2b980dbd PM |
1476 | } |
1477 | EXPORT_SYMBOL(security_tun_dev_create); | |
1478 | ||
5dbbaf2d | 1479 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1480 | { |
f25fce3e | 1481 | return call_int_hook(tun_dev_attach_queue, 0, security); |
2b980dbd | 1482 | } |
5dbbaf2d | 1483 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1484 | |
5dbbaf2d | 1485 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1486 | { |
f25fce3e | 1487 | return call_int_hook(tun_dev_attach, 0, sk, security); |
2b980dbd PM |
1488 | } |
1489 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1490 | ||
5dbbaf2d PM |
1491 | int security_tun_dev_open(void *security) |
1492 | { | |
f25fce3e | 1493 | return call_int_hook(tun_dev_open, 0, security); |
5dbbaf2d PM |
1494 | } |
1495 | EXPORT_SYMBOL(security_tun_dev_open); | |
1496 | ||
20510f2f JM |
1497 | #endif /* CONFIG_SECURITY_NETWORK */ |
1498 | ||
1499 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
1500 | ||
52a4c640 NA |
1501 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1502 | struct xfrm_user_sec_ctx *sec_ctx, | |
1503 | gfp_t gfp) | |
20510f2f | 1504 | { |
f25fce3e | 1505 | return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); |
20510f2f JM |
1506 | } |
1507 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1508 | ||
03e1ad7b PM |
1509 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1510 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1511 | { |
f25fce3e | 1512 | return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); |
20510f2f JM |
1513 | } |
1514 | ||
03e1ad7b | 1515 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1516 | { |
f25fce3e | 1517 | call_void_hook(xfrm_policy_free_security, ctx); |
20510f2f JM |
1518 | } |
1519 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1520 | ||
03e1ad7b | 1521 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1522 | { |
f25fce3e | 1523 | return call_int_hook(xfrm_policy_delete_security, 0, ctx); |
20510f2f JM |
1524 | } |
1525 | ||
2e5aa866 PM |
1526 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1527 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1528 | { |
f25fce3e | 1529 | return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); |
20510f2f JM |
1530 | } |
1531 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1532 | ||
1533 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1534 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1535 | { | |
f25fce3e | 1536 | return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); |
20510f2f JM |
1537 | } |
1538 | ||
1539 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1540 | { | |
f25fce3e | 1541 | return call_int_hook(xfrm_state_delete_security, 0, x); |
20510f2f JM |
1542 | } |
1543 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1544 | ||
1545 | void security_xfrm_state_free(struct xfrm_state *x) | |
1546 | { | |
f25fce3e | 1547 | call_void_hook(xfrm_state_free_security, x); |
20510f2f JM |
1548 | } |
1549 | ||
03e1ad7b | 1550 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1551 | { |
f25fce3e | 1552 | return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); |
20510f2f JM |
1553 | } |
1554 | ||
1555 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1556 | struct xfrm_policy *xp, |
1557 | const struct flowi *fl) | |
20510f2f | 1558 | { |
b1d9e6b0 CS |
1559 | struct security_hook_list *hp; |
1560 | int rc = 1; | |
1561 | ||
1562 | /* | |
1563 | * Since this function is expected to return 0 or 1, the judgment | |
1564 | * becomes difficult if multiple LSMs supply this call. Fortunately, | |
1565 | * we can use the first LSM's judgment because currently only SELinux | |
1566 | * supplies this call. | |
1567 | * | |
1568 | * For speed optimization, we explicitly break the loop rather than | |
1569 | * using the macro | |
1570 | */ | |
1571 | list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, | |
1572 | list) { | |
1573 | rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); | |
1574 | break; | |
1575 | } | |
1576 | return rc; | |
20510f2f JM |
1577 | } |
1578 | ||
1579 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1580 | { | |
f25fce3e | 1581 | return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); |
20510f2f JM |
1582 | } |
1583 | ||
1584 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1585 | { | |
f25fce3e CS |
1586 | int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, |
1587 | 0); | |
20510f2f JM |
1588 | |
1589 | BUG_ON(rc); | |
1590 | } | |
1591 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1592 | ||
1593 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1594 | ||
1595 | #ifdef CONFIG_KEYS | |
1596 | ||
d84f4f99 DH |
1597 | int security_key_alloc(struct key *key, const struct cred *cred, |
1598 | unsigned long flags) | |
20510f2f | 1599 | { |
f25fce3e | 1600 | return call_int_hook(key_alloc, 0, key, cred, flags); |
20510f2f JM |
1601 | } |
1602 | ||
1603 | void security_key_free(struct key *key) | |
1604 | { | |
f25fce3e | 1605 | call_void_hook(key_free, key); |
20510f2f JM |
1606 | } |
1607 | ||
1608 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1609 | const struct cred *cred, unsigned perm) |
20510f2f | 1610 | { |
f25fce3e | 1611 | return call_int_hook(key_permission, 0, key_ref, cred, perm); |
20510f2f JM |
1612 | } |
1613 | ||
70a5bb72 DH |
1614 | int security_key_getsecurity(struct key *key, char **_buffer) |
1615 | { | |
b1d9e6b0 | 1616 | *_buffer = NULL; |
f25fce3e | 1617 | return call_int_hook(key_getsecurity, 0, key, _buffer); |
70a5bb72 DH |
1618 | } |
1619 | ||
20510f2f | 1620 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1621 | |
1622 | #ifdef CONFIG_AUDIT | |
1623 | ||
1624 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1625 | { | |
f25fce3e | 1626 | return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); |
03d37d25 AD |
1627 | } |
1628 | ||
1629 | int security_audit_rule_known(struct audit_krule *krule) | |
1630 | { | |
f25fce3e | 1631 | return call_int_hook(audit_rule_known, 0, krule); |
03d37d25 AD |
1632 | } |
1633 | ||
1634 | void security_audit_rule_free(void *lsmrule) | |
1635 | { | |
f25fce3e | 1636 | call_void_hook(audit_rule_free, lsmrule); |
03d37d25 AD |
1637 | } |
1638 | ||
1639 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1640 | struct audit_context *actx) | |
1641 | { | |
f25fce3e CS |
1642 | return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, |
1643 | actx); | |
03d37d25 | 1644 | } |
b1d9e6b0 | 1645 | #endif /* CONFIG_AUDIT */ |