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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 AD |
112 | * |
113 | * Return true if: | |
114 | * -The passed LSM is the one chosen by user at boot time, | |
6e65f92f | 115 | * -or the passed LSM is configured as the default and the user did not |
065d78a0 | 116 | * choose an alternate LSM at boot time. |
076c54c5 AD |
117 | * Otherwise, return false. |
118 | */ | |
b1d9e6b0 | 119 | int __init security_module_enable(const char *module) |
076c54c5 | 120 | { |
b1d9e6b0 | 121 | return !strcmp(module, chosen_lsm); |
076c54c5 AD |
122 | } |
123 | ||
d69dece5 CS |
124 | /** |
125 | * security_add_hooks - Add a modules hooks to the hook lists. | |
126 | * @hooks: the hooks to add | |
127 | * @count: the number of hooks to add | |
128 | * @lsm: the name of the security module | |
129 | * | |
130 | * Each LSM has to register its hooks with the infrastructure. | |
131 | */ | |
132 | void __init security_add_hooks(struct security_hook_list *hooks, int count, | |
133 | char *lsm) | |
134 | { | |
135 | int i; | |
136 | ||
137 | for (i = 0; i < count; i++) { | |
138 | hooks[i].lsm = lsm; | |
139 | list_add_tail_rcu(&hooks[i].list, hooks[i].head); | |
140 | } | |
141 | if (lsm_append(lsm, &lsm_names) < 0) | |
142 | panic("%s - Cannot get early memory.\n", __func__); | |
143 | } | |
144 | ||
f25fce3e | 145 | /* |
b1d9e6b0 | 146 | * Hook list operation macros. |
1da177e4 | 147 | * |
f25fce3e CS |
148 | * call_void_hook: |
149 | * This is a hook that does not return a value. | |
1da177e4 | 150 | * |
f25fce3e CS |
151 | * call_int_hook: |
152 | * This is a hook that returns a value. | |
1da177e4 | 153 | */ |
1da177e4 | 154 | |
b1d9e6b0 CS |
155 | #define call_void_hook(FUNC, ...) \ |
156 | do { \ | |
157 | struct security_hook_list *P; \ | |
158 | \ | |
159 | list_for_each_entry(P, &security_hook_heads.FUNC, list) \ | |
160 | P->hook.FUNC(__VA_ARGS__); \ | |
161 | } while (0) | |
162 | ||
163 | #define call_int_hook(FUNC, IRC, ...) ({ \ | |
164 | int RC = IRC; \ | |
165 | do { \ | |
166 | struct security_hook_list *P; \ | |
167 | \ | |
168 | list_for_each_entry(P, &security_hook_heads.FUNC, list) { \ | |
169 | RC = P->hook.FUNC(__VA_ARGS__); \ | |
170 | if (RC != 0) \ | |
171 | break; \ | |
172 | } \ | |
173 | } while (0); \ | |
174 | RC; \ | |
175 | }) | |
1da177e4 | 176 | |
20510f2f JM |
177 | /* Security operations */ |
178 | ||
79af7307 SS |
179 | int security_binder_set_context_mgr(struct task_struct *mgr) |
180 | { | |
f25fce3e | 181 | return call_int_hook(binder_set_context_mgr, 0, mgr); |
79af7307 SS |
182 | } |
183 | ||
184 | int security_binder_transaction(struct task_struct *from, | |
185 | struct task_struct *to) | |
186 | { | |
f25fce3e | 187 | return call_int_hook(binder_transaction, 0, from, to); |
79af7307 SS |
188 | } |
189 | ||
190 | int security_binder_transfer_binder(struct task_struct *from, | |
191 | struct task_struct *to) | |
192 | { | |
f25fce3e | 193 | return call_int_hook(binder_transfer_binder, 0, from, to); |
79af7307 SS |
194 | } |
195 | ||
196 | int security_binder_transfer_file(struct task_struct *from, | |
197 | struct task_struct *to, struct file *file) | |
198 | { | |
f25fce3e | 199 | return call_int_hook(binder_transfer_file, 0, from, to, file); |
79af7307 SS |
200 | } |
201 | ||
9e48858f | 202 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
20510f2f | 203 | { |
f25fce3e | 204 | return call_int_hook(ptrace_access_check, 0, child, mode); |
5cd9c58f DH |
205 | } |
206 | ||
207 | int security_ptrace_traceme(struct task_struct *parent) | |
208 | { | |
f25fce3e | 209 | return call_int_hook(ptrace_traceme, 0, parent); |
20510f2f JM |
210 | } |
211 | ||
212 | int security_capget(struct task_struct *target, | |
213 | kernel_cap_t *effective, | |
214 | kernel_cap_t *inheritable, | |
215 | kernel_cap_t *permitted) | |
216 | { | |
f25fce3e CS |
217 | return call_int_hook(capget, 0, target, |
218 | effective, inheritable, permitted); | |
20510f2f JM |
219 | } |
220 | ||
d84f4f99 DH |
221 | int security_capset(struct cred *new, const struct cred *old, |
222 | const kernel_cap_t *effective, | |
223 | const kernel_cap_t *inheritable, | |
224 | const kernel_cap_t *permitted) | |
20510f2f | 225 | { |
f25fce3e CS |
226 | return call_int_hook(capset, 0, new, old, |
227 | effective, inheritable, permitted); | |
20510f2f JM |
228 | } |
229 | ||
b7e724d3 | 230 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
3486740a | 231 | int cap) |
20510f2f | 232 | { |
f25fce3e | 233 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT); |
06112163 EP |
234 | } |
235 | ||
c7eba4a9 EP |
236 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
237 | int cap) | |
06112163 | 238 | { |
f25fce3e | 239 | return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT); |
20510f2f JM |
240 | } |
241 | ||
20510f2f JM |
242 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
243 | { | |
f25fce3e | 244 | return call_int_hook(quotactl, 0, cmds, type, id, sb); |
20510f2f JM |
245 | } |
246 | ||
247 | int security_quota_on(struct dentry *dentry) | |
248 | { | |
f25fce3e | 249 | return call_int_hook(quota_on, 0, dentry); |
20510f2f JM |
250 | } |
251 | ||
12b3052c | 252 | int security_syslog(int type) |
20510f2f | 253 | { |
f25fce3e | 254 | return call_int_hook(syslog, 0, type); |
20510f2f JM |
255 | } |
256 | ||
457db29b | 257 | int security_settime64(const struct timespec64 *ts, const struct timezone *tz) |
20510f2f | 258 | { |
f25fce3e | 259 | return call_int_hook(settime, 0, ts, tz); |
20510f2f JM |
260 | } |
261 | ||
20510f2f JM |
262 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
263 | { | |
b1d9e6b0 CS |
264 | struct security_hook_list *hp; |
265 | int cap_sys_admin = 1; | |
266 | int rc; | |
267 | ||
268 | /* | |
269 | * The module will respond with a positive value if | |
270 | * it thinks the __vm_enough_memory() call should be | |
271 | * made with the cap_sys_admin set. If all of the modules | |
272 | * agree that it should be set it will. If any module | |
273 | * thinks it should not be set it won't. | |
274 | */ | |
275 | list_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) { | |
276 | rc = hp->hook.vm_enough_memory(mm, pages); | |
277 | if (rc <= 0) { | |
278 | cap_sys_admin = 0; | |
279 | break; | |
280 | } | |
281 | } | |
282 | return __vm_enough_memory(mm, pages, cap_sys_admin); | |
20510f2f JM |
283 | } |
284 | ||
a6f76f23 | 285 | int security_bprm_set_creds(struct linux_binprm *bprm) |
20510f2f | 286 | { |
f25fce3e | 287 | return call_int_hook(bprm_set_creds, 0, bprm); |
20510f2f JM |
288 | } |
289 | ||
a6f76f23 | 290 | int security_bprm_check(struct linux_binprm *bprm) |
20510f2f | 291 | { |
6c21a7fb MZ |
292 | int ret; |
293 | ||
f25fce3e | 294 | ret = call_int_hook(bprm_check_security, 0, bprm); |
6c21a7fb MZ |
295 | if (ret) |
296 | return ret; | |
297 | return ima_bprm_check(bprm); | |
20510f2f JM |
298 | } |
299 | ||
a6f76f23 | 300 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
20510f2f | 301 | { |
f25fce3e | 302 | call_void_hook(bprm_committing_creds, bprm); |
20510f2f JM |
303 | } |
304 | ||
a6f76f23 | 305 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
20510f2f | 306 | { |
f25fce3e | 307 | call_void_hook(bprm_committed_creds, bprm); |
20510f2f JM |
308 | } |
309 | ||
310 | int security_bprm_secureexec(struct linux_binprm *bprm) | |
311 | { | |
f25fce3e | 312 | return call_int_hook(bprm_secureexec, 0, bprm); |
20510f2f JM |
313 | } |
314 | ||
315 | int security_sb_alloc(struct super_block *sb) | |
316 | { | |
f25fce3e | 317 | return call_int_hook(sb_alloc_security, 0, sb); |
20510f2f JM |
318 | } |
319 | ||
320 | void security_sb_free(struct super_block *sb) | |
321 | { | |
f25fce3e | 322 | call_void_hook(sb_free_security, sb); |
20510f2f JM |
323 | } |
324 | ||
e0007529 | 325 | int security_sb_copy_data(char *orig, char *copy) |
20510f2f | 326 | { |
f25fce3e | 327 | return call_int_hook(sb_copy_data, 0, orig, copy); |
20510f2f | 328 | } |
e0007529 | 329 | EXPORT_SYMBOL(security_sb_copy_data); |
20510f2f | 330 | |
ff36fe2c EP |
331 | int security_sb_remount(struct super_block *sb, void *data) |
332 | { | |
f25fce3e | 333 | return call_int_hook(sb_remount, 0, sb, data); |
ff36fe2c EP |
334 | } |
335 | ||
12204e24 | 336 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
20510f2f | 337 | { |
f25fce3e | 338 | return call_int_hook(sb_kern_mount, 0, sb, flags, data); |
20510f2f JM |
339 | } |
340 | ||
2069f457 EP |
341 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
342 | { | |
f25fce3e | 343 | return call_int_hook(sb_show_options, 0, m, sb); |
2069f457 EP |
344 | } |
345 | ||
20510f2f JM |
346 | int security_sb_statfs(struct dentry *dentry) |
347 | { | |
f25fce3e | 348 | return call_int_hook(sb_statfs, 0, dentry); |
20510f2f JM |
349 | } |
350 | ||
8a04c43b | 351 | int security_sb_mount(const char *dev_name, const struct path *path, |
808d4e3c | 352 | const char *type, unsigned long flags, void *data) |
20510f2f | 353 | { |
f25fce3e | 354 | return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data); |
20510f2f JM |
355 | } |
356 | ||
20510f2f JM |
357 | int security_sb_umount(struct vfsmount *mnt, int flags) |
358 | { | |
f25fce3e | 359 | return call_int_hook(sb_umount, 0, mnt, flags); |
20510f2f JM |
360 | } |
361 | ||
3b73b68c | 362 | int security_sb_pivotroot(const struct path *old_path, const struct path *new_path) |
20510f2f | 363 | { |
f25fce3e | 364 | return call_int_hook(sb_pivotroot, 0, old_path, new_path); |
20510f2f JM |
365 | } |
366 | ||
c9180a57 | 367 | int security_sb_set_mnt_opts(struct super_block *sb, |
649f6e77 DQ |
368 | struct security_mnt_opts *opts, |
369 | unsigned long kern_flags, | |
370 | unsigned long *set_kern_flags) | |
c9180a57 | 371 | { |
b1d9e6b0 CS |
372 | return call_int_hook(sb_set_mnt_opts, |
373 | opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb, | |
374 | opts, kern_flags, set_kern_flags); | |
c9180a57 | 375 | } |
e0007529 | 376 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
c9180a57 | 377 | |
094f7b69 | 378 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
c9180a57 EP |
379 | struct super_block *newsb) |
380 | { | |
f25fce3e | 381 | return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb); |
c9180a57 | 382 | } |
e0007529 EP |
383 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
384 | ||
385 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
386 | { | |
f25fce3e | 387 | return call_int_hook(sb_parse_opts_str, 0, options, opts); |
e0007529 EP |
388 | } |
389 | EXPORT_SYMBOL(security_sb_parse_opts_str); | |
c9180a57 | 390 | |
20510f2f JM |
391 | int security_inode_alloc(struct inode *inode) |
392 | { | |
393 | inode->i_security = NULL; | |
f25fce3e | 394 | return call_int_hook(inode_alloc_security, 0, inode); |
20510f2f JM |
395 | } |
396 | ||
397 | void security_inode_free(struct inode *inode) | |
398 | { | |
f381c272 | 399 | integrity_inode_free(inode); |
f25fce3e | 400 | call_void_hook(inode_free_security, inode); |
20510f2f JM |
401 | } |
402 | ||
d47be3df | 403 | int security_dentry_init_security(struct dentry *dentry, int mode, |
4f3ccd76 | 404 | const struct qstr *name, void **ctx, |
d47be3df DQ |
405 | u32 *ctxlen) |
406 | { | |
b1d9e6b0 CS |
407 | return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode, |
408 | name, ctx, ctxlen); | |
d47be3df DQ |
409 | } |
410 | EXPORT_SYMBOL(security_dentry_init_security); | |
411 | ||
2602625b VG |
412 | int security_dentry_create_files_as(struct dentry *dentry, int mode, |
413 | struct qstr *name, | |
414 | const struct cred *old, struct cred *new) | |
415 | { | |
416 | return call_int_hook(dentry_create_files_as, 0, dentry, mode, | |
417 | name, old, new); | |
418 | } | |
419 | EXPORT_SYMBOL(security_dentry_create_files_as); | |
420 | ||
20510f2f | 421 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
9d8f13ba MZ |
422 | const struct qstr *qstr, |
423 | const initxattrs initxattrs, void *fs_data) | |
20510f2f | 424 | { |
823eb1cc MZ |
425 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
426 | struct xattr *lsm_xattr, *evm_xattr, *xattr; | |
9d8f13ba MZ |
427 | int ret; |
428 | ||
20510f2f | 429 | if (unlikely(IS_PRIVATE(inode))) |
fb88c2b6 | 430 | return 0; |
9d8f13ba | 431 | |
9d8f13ba | 432 | if (!initxattrs) |
e308fd3b JB |
433 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, |
434 | dir, qstr, NULL, NULL, NULL); | |
9548906b | 435 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
9d8f13ba | 436 | lsm_xattr = new_xattrs; |
b1d9e6b0 | 437 | ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, |
9d8f13ba MZ |
438 | &lsm_xattr->name, |
439 | &lsm_xattr->value, | |
440 | &lsm_xattr->value_len); | |
441 | if (ret) | |
442 | goto out; | |
823eb1cc MZ |
443 | |
444 | evm_xattr = lsm_xattr + 1; | |
445 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); | |
446 | if (ret) | |
447 | goto out; | |
9d8f13ba MZ |
448 | ret = initxattrs(inode, new_xattrs, fs_data); |
449 | out: | |
9548906b | 450 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
823eb1cc | 451 | kfree(xattr->value); |
9d8f13ba MZ |
452 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
453 | } | |
454 | EXPORT_SYMBOL(security_inode_init_security); | |
455 | ||
456 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 457 | const struct qstr *qstr, const char **name, |
9d8f13ba | 458 | void **value, size_t *len) |
20510f2f JM |
459 | { |
460 | if (unlikely(IS_PRIVATE(inode))) | |
30e05324 | 461 | return -EOPNOTSUPP; |
e308fd3b JB |
462 | return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, |
463 | qstr, name, value, len); | |
20510f2f | 464 | } |
9d8f13ba | 465 | EXPORT_SYMBOL(security_old_inode_init_security); |
20510f2f | 466 | |
be6d3e56 | 467 | #ifdef CONFIG_SECURITY_PATH |
d3607752 | 468 | int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
469 | unsigned int dev) |
470 | { | |
c6f493d6 | 471 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 472 | return 0; |
f25fce3e | 473 | return call_int_hook(path_mknod, 0, dir, dentry, mode, dev); |
be6d3e56 KT |
474 | } |
475 | EXPORT_SYMBOL(security_path_mknod); | |
476 | ||
d3607752 | 477 | int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 | 478 | { |
c6f493d6 | 479 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 480 | return 0; |
f25fce3e | 481 | return call_int_hook(path_mkdir, 0, dir, dentry, mode); |
be6d3e56 | 482 | } |
82140443 | 483 | EXPORT_SYMBOL(security_path_mkdir); |
be6d3e56 | 484 | |
989f74e0 | 485 | int security_path_rmdir(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 486 | { |
c6f493d6 | 487 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 488 | return 0; |
f25fce3e | 489 | return call_int_hook(path_rmdir, 0, dir, dentry); |
be6d3e56 KT |
490 | } |
491 | ||
989f74e0 | 492 | int security_path_unlink(const struct path *dir, struct dentry *dentry) |
be6d3e56 | 493 | { |
c6f493d6 | 494 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 495 | return 0; |
f25fce3e | 496 | return call_int_hook(path_unlink, 0, dir, dentry); |
be6d3e56 | 497 | } |
82140443 | 498 | EXPORT_SYMBOL(security_path_unlink); |
be6d3e56 | 499 | |
d3607752 | 500 | int security_path_symlink(const struct path *dir, struct dentry *dentry, |
be6d3e56 KT |
501 | const char *old_name) |
502 | { | |
c6f493d6 | 503 | if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) |
be6d3e56 | 504 | return 0; |
f25fce3e | 505 | return call_int_hook(path_symlink, 0, dir, dentry, old_name); |
be6d3e56 KT |
506 | } |
507 | ||
3ccee46a | 508 | int security_path_link(struct dentry *old_dentry, const struct path *new_dir, |
be6d3e56 KT |
509 | struct dentry *new_dentry) |
510 | { | |
c6f493d6 | 511 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
be6d3e56 | 512 | return 0; |
f25fce3e | 513 | return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry); |
be6d3e56 KT |
514 | } |
515 | ||
3ccee46a AV |
516 | int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, |
517 | const struct path *new_dir, struct dentry *new_dentry, | |
0b3974eb | 518 | unsigned int flags) |
be6d3e56 | 519 | { |
c6f493d6 DH |
520 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
521 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
be6d3e56 | 522 | return 0; |
da1ce067 MS |
523 | |
524 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e CS |
525 | int err = call_int_hook(path_rename, 0, new_dir, new_dentry, |
526 | old_dir, old_dentry); | |
da1ce067 MS |
527 | if (err) |
528 | return err; | |
529 | } | |
530 | ||
f25fce3e CS |
531 | return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, |
532 | new_dentry); | |
be6d3e56 | 533 | } |
82140443 | 534 | EXPORT_SYMBOL(security_path_rename); |
be6d3e56 | 535 | |
81f4c506 | 536 | int security_path_truncate(const struct path *path) |
be6d3e56 | 537 | { |
c6f493d6 | 538 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
be6d3e56 | 539 | return 0; |
f25fce3e | 540 | return call_int_hook(path_truncate, 0, path); |
be6d3e56 | 541 | } |
89eda068 | 542 | |
be01f9f2 | 543 | int security_path_chmod(const struct path *path, umode_t mode) |
89eda068 | 544 | { |
c6f493d6 | 545 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 546 | return 0; |
f25fce3e | 547 | return call_int_hook(path_chmod, 0, path, mode); |
89eda068 TH |
548 | } |
549 | ||
7fd25dac | 550 | int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
89eda068 | 551 | { |
c6f493d6 | 552 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
89eda068 | 553 | return 0; |
f25fce3e | 554 | return call_int_hook(path_chown, 0, path, uid, gid); |
89eda068 | 555 | } |
8b8efb44 | 556 | |
77b286c0 | 557 | int security_path_chroot(const struct path *path) |
8b8efb44 | 558 | { |
f25fce3e | 559 | return call_int_hook(path_chroot, 0, path); |
8b8efb44 | 560 | } |
be6d3e56 KT |
561 | #endif |
562 | ||
4acdaf27 | 563 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
564 | { |
565 | if (unlikely(IS_PRIVATE(dir))) | |
566 | return 0; | |
f25fce3e | 567 | return call_int_hook(inode_create, 0, dir, dentry, mode); |
20510f2f | 568 | } |
800a9647 | 569 | EXPORT_SYMBOL_GPL(security_inode_create); |
20510f2f JM |
570 | |
571 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
572 | struct dentry *new_dentry) | |
573 | { | |
c6f493d6 | 574 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) |
20510f2f | 575 | return 0; |
f25fce3e | 576 | return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry); |
20510f2f JM |
577 | } |
578 | ||
579 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) | |
580 | { | |
c6f493d6 | 581 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 582 | return 0; |
f25fce3e | 583 | return call_int_hook(inode_unlink, 0, dir, dentry); |
20510f2f JM |
584 | } |
585 | ||
586 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
587 | const char *old_name) | |
588 | { | |
589 | if (unlikely(IS_PRIVATE(dir))) | |
590 | return 0; | |
f25fce3e | 591 | return call_int_hook(inode_symlink, 0, dir, dentry, old_name); |
20510f2f JM |
592 | } |
593 | ||
18bb1db3 | 594 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
20510f2f JM |
595 | { |
596 | if (unlikely(IS_PRIVATE(dir))) | |
597 | return 0; | |
f25fce3e | 598 | return call_int_hook(inode_mkdir, 0, dir, dentry, mode); |
20510f2f | 599 | } |
800a9647 | 600 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
20510f2f JM |
601 | |
602 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) | |
603 | { | |
c6f493d6 | 604 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 605 | return 0; |
f25fce3e | 606 | return call_int_hook(inode_rmdir, 0, dir, dentry); |
20510f2f JM |
607 | } |
608 | ||
1a67aafb | 609 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
20510f2f JM |
610 | { |
611 | if (unlikely(IS_PRIVATE(dir))) | |
612 | return 0; | |
f25fce3e | 613 | return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev); |
20510f2f JM |
614 | } |
615 | ||
616 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
0b3974eb MS |
617 | struct inode *new_dir, struct dentry *new_dentry, |
618 | unsigned int flags) | |
20510f2f | 619 | { |
c6f493d6 DH |
620 | if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || |
621 | (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) | |
20510f2f | 622 | return 0; |
da1ce067 MS |
623 | |
624 | if (flags & RENAME_EXCHANGE) { | |
f25fce3e | 625 | int err = call_int_hook(inode_rename, 0, new_dir, new_dentry, |
da1ce067 MS |
626 | old_dir, old_dentry); |
627 | if (err) | |
628 | return err; | |
629 | } | |
630 | ||
f25fce3e | 631 | return call_int_hook(inode_rename, 0, old_dir, old_dentry, |
20510f2f JM |
632 | new_dir, new_dentry); |
633 | } | |
634 | ||
635 | int security_inode_readlink(struct dentry *dentry) | |
636 | { | |
c6f493d6 | 637 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 638 | return 0; |
f25fce3e | 639 | return call_int_hook(inode_readlink, 0, dentry); |
20510f2f JM |
640 | } |
641 | ||
bda0be7a N |
642 | int security_inode_follow_link(struct dentry *dentry, struct inode *inode, |
643 | bool rcu) | |
20510f2f | 644 | { |
bda0be7a | 645 | if (unlikely(IS_PRIVATE(inode))) |
20510f2f | 646 | return 0; |
e22619a2 | 647 | return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); |
20510f2f JM |
648 | } |
649 | ||
b77b0646 | 650 | int security_inode_permission(struct inode *inode, int mask) |
20510f2f JM |
651 | { |
652 | if (unlikely(IS_PRIVATE(inode))) | |
653 | return 0; | |
f25fce3e | 654 | return call_int_hook(inode_permission, 0, inode, mask); |
20510f2f JM |
655 | } |
656 | ||
657 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) | |
658 | { | |
817b54aa MZ |
659 | int ret; |
660 | ||
c6f493d6 | 661 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 662 | return 0; |
f25fce3e | 663 | ret = call_int_hook(inode_setattr, 0, dentry, attr); |
817b54aa MZ |
664 | if (ret) |
665 | return ret; | |
666 | return evm_inode_setattr(dentry, attr); | |
20510f2f | 667 | } |
b1da47e2 | 668 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
20510f2f | 669 | |
3f7036a0 | 670 | int security_inode_getattr(const struct path *path) |
20510f2f | 671 | { |
c6f493d6 | 672 | if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) |
20510f2f | 673 | return 0; |
f25fce3e | 674 | return call_int_hook(inode_getattr, 0, path); |
20510f2f JM |
675 | } |
676 | ||
8f0cfa52 DH |
677 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
678 | const void *value, size_t size, int flags) | |
20510f2f | 679 | { |
3e1be52d MZ |
680 | int ret; |
681 | ||
c6f493d6 | 682 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 683 | return 0; |
b1d9e6b0 CS |
684 | /* |
685 | * SELinux and Smack integrate the cap call, | |
686 | * so assume that all LSMs supplying this call do so. | |
687 | */ | |
688 | ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, | |
f25fce3e | 689 | flags); |
b1d9e6b0 CS |
690 | |
691 | if (ret == 1) | |
692 | ret = cap_inode_setxattr(dentry, name, value, size, flags); | |
42c63330 MZ |
693 | if (ret) |
694 | return ret; | |
695 | ret = ima_inode_setxattr(dentry, name, value, size); | |
3e1be52d MZ |
696 | if (ret) |
697 | return ret; | |
698 | return evm_inode_setxattr(dentry, name, value, size); | |
20510f2f JM |
699 | } |
700 | ||
8f0cfa52 DH |
701 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
702 | const void *value, size_t size, int flags) | |
20510f2f | 703 | { |
c6f493d6 | 704 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 705 | return; |
f25fce3e | 706 | call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); |
3e1be52d | 707 | evm_inode_post_setxattr(dentry, name, value, size); |
20510f2f JM |
708 | } |
709 | ||
8f0cfa52 | 710 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
20510f2f | 711 | { |
c6f493d6 | 712 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 713 | return 0; |
f25fce3e | 714 | return call_int_hook(inode_getxattr, 0, dentry, name); |
20510f2f JM |
715 | } |
716 | ||
717 | int security_inode_listxattr(struct dentry *dentry) | |
718 | { | |
c6f493d6 | 719 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 720 | return 0; |
f25fce3e | 721 | return call_int_hook(inode_listxattr, 0, dentry); |
20510f2f JM |
722 | } |
723 | ||
8f0cfa52 | 724 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
20510f2f | 725 | { |
3e1be52d MZ |
726 | int ret; |
727 | ||
c6f493d6 | 728 | if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) |
20510f2f | 729 | return 0; |
b1d9e6b0 CS |
730 | /* |
731 | * SELinux and Smack integrate the cap call, | |
732 | * so assume that all LSMs supplying this call do so. | |
733 | */ | |
734 | ret = call_int_hook(inode_removexattr, 1, dentry, name); | |
735 | if (ret == 1) | |
736 | ret = cap_inode_removexattr(dentry, name); | |
42c63330 MZ |
737 | if (ret) |
738 | return ret; | |
739 | ret = ima_inode_removexattr(dentry, name); | |
3e1be52d MZ |
740 | if (ret) |
741 | return ret; | |
742 | return evm_inode_removexattr(dentry, name); | |
20510f2f JM |
743 | } |
744 | ||
b5376771 SH |
745 | int security_inode_need_killpriv(struct dentry *dentry) |
746 | { | |
f25fce3e | 747 | return call_int_hook(inode_need_killpriv, 0, dentry); |
b5376771 SH |
748 | } |
749 | ||
750 | int security_inode_killpriv(struct dentry *dentry) | |
751 | { | |
f25fce3e | 752 | return call_int_hook(inode_killpriv, 0, dentry); |
b5376771 SH |
753 | } |
754 | ||
ea861dfd | 755 | int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) |
20510f2f | 756 | { |
2885c1e3 CS |
757 | struct security_hook_list *hp; |
758 | int rc; | |
759 | ||
20510f2f | 760 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 761 | return -EOPNOTSUPP; |
2885c1e3 CS |
762 | /* |
763 | * Only one module will provide an attribute with a given name. | |
764 | */ | |
765 | list_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { | |
766 | rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); | |
767 | if (rc != -EOPNOTSUPP) | |
768 | return rc; | |
769 | } | |
770 | return -EOPNOTSUPP; | |
20510f2f JM |
771 | } |
772 | ||
773 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
774 | { | |
2885c1e3 CS |
775 | struct security_hook_list *hp; |
776 | int rc; | |
777 | ||
20510f2f | 778 | if (unlikely(IS_PRIVATE(inode))) |
8d952504 | 779 | return -EOPNOTSUPP; |
2885c1e3 CS |
780 | /* |
781 | * Only one module will provide an attribute with a given name. | |
782 | */ | |
783 | list_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { | |
784 | rc = hp->hook.inode_setsecurity(inode, name, value, size, | |
785 | flags); | |
786 | if (rc != -EOPNOTSUPP) | |
787 | return rc; | |
788 | } | |
789 | return -EOPNOTSUPP; | |
20510f2f JM |
790 | } |
791 | ||
792 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
793 | { | |
794 | if (unlikely(IS_PRIVATE(inode))) | |
795 | return 0; | |
f25fce3e | 796 | return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); |
20510f2f | 797 | } |
c9bccef6 | 798 | EXPORT_SYMBOL(security_inode_listsecurity); |
20510f2f | 799 | |
d6335d77 | 800 | void security_inode_getsecid(struct inode *inode, u32 *secid) |
8a076191 | 801 | { |
f25fce3e | 802 | call_void_hook(inode_getsecid, inode, secid); |
8a076191 AD |
803 | } |
804 | ||
d8ad8b49 VG |
805 | int security_inode_copy_up(struct dentry *src, struct cred **new) |
806 | { | |
807 | return call_int_hook(inode_copy_up, 0, src, new); | |
808 | } | |
809 | EXPORT_SYMBOL(security_inode_copy_up); | |
810 | ||
121ab822 VG |
811 | int security_inode_copy_up_xattr(const char *name) |
812 | { | |
813 | return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); | |
814 | } | |
815 | EXPORT_SYMBOL(security_inode_copy_up_xattr); | |
816 | ||
20510f2f JM |
817 | int security_file_permission(struct file *file, int mask) |
818 | { | |
c4ec54b4 EP |
819 | int ret; |
820 | ||
f25fce3e | 821 | ret = call_int_hook(file_permission, 0, file, mask); |
c4ec54b4 EP |
822 | if (ret) |
823 | return ret; | |
824 | ||
825 | return fsnotify_perm(file, mask); | |
20510f2f JM |
826 | } |
827 | ||
828 | int security_file_alloc(struct file *file) | |
829 | { | |
f25fce3e | 830 | return call_int_hook(file_alloc_security, 0, file); |
20510f2f JM |
831 | } |
832 | ||
833 | void security_file_free(struct file *file) | |
834 | { | |
f25fce3e | 835 | call_void_hook(file_free_security, file); |
20510f2f JM |
836 | } |
837 | ||
838 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
839 | { | |
f25fce3e | 840 | return call_int_hook(file_ioctl, 0, file, cmd, arg); |
20510f2f JM |
841 | } |
842 | ||
98de59bf | 843 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
20510f2f | 844 | { |
8b3ec681 | 845 | /* |
98de59bf AV |
846 | * Does we have PROT_READ and does the application expect |
847 | * it to imply PROT_EXEC? If not, nothing to talk about... | |
8b3ec681 | 848 | */ |
98de59bf AV |
849 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
850 | return prot; | |
8b3ec681 | 851 | if (!(current->personality & READ_IMPLIES_EXEC)) |
98de59bf AV |
852 | return prot; |
853 | /* | |
854 | * if that's an anonymous mapping, let it. | |
855 | */ | |
856 | if (!file) | |
857 | return prot | PROT_EXEC; | |
858 | /* | |
859 | * ditto if it's not on noexec mount, except that on !MMU we need | |
b4caecd4 | 860 | * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case |
98de59bf | 861 | */ |
90f8572b | 862 | if (!path_noexec(&file->f_path)) { |
8b3ec681 | 863 | #ifndef CONFIG_MMU |
b4caecd4 CH |
864 | if (file->f_op->mmap_capabilities) { |
865 | unsigned caps = file->f_op->mmap_capabilities(file); | |
866 | if (!(caps & NOMMU_MAP_EXEC)) | |
867 | return prot; | |
868 | } | |
8b3ec681 | 869 | #endif |
98de59bf | 870 | return prot | PROT_EXEC; |
8b3ec681 | 871 | } |
98de59bf AV |
872 | /* anything on noexec mount won't get PROT_EXEC */ |
873 | return prot; | |
874 | } | |
875 | ||
876 | int security_mmap_file(struct file *file, unsigned long prot, | |
877 | unsigned long flags) | |
878 | { | |
879 | int ret; | |
f25fce3e | 880 | ret = call_int_hook(mmap_file, 0, file, prot, |
98de59bf | 881 | mmap_prot(file, prot), flags); |
6c21a7fb MZ |
882 | if (ret) |
883 | return ret; | |
884 | return ima_file_mmap(file, prot); | |
20510f2f JM |
885 | } |
886 | ||
e5467859 AV |
887 | int security_mmap_addr(unsigned long addr) |
888 | { | |
f25fce3e | 889 | return call_int_hook(mmap_addr, 0, addr); |
e5467859 AV |
890 | } |
891 | ||
20510f2f JM |
892 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
893 | unsigned long prot) | |
894 | { | |
f25fce3e | 895 | return call_int_hook(file_mprotect, 0, vma, reqprot, prot); |
20510f2f JM |
896 | } |
897 | ||
898 | int security_file_lock(struct file *file, unsigned int cmd) | |
899 | { | |
f25fce3e | 900 | return call_int_hook(file_lock, 0, file, cmd); |
20510f2f JM |
901 | } |
902 | ||
903 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | |
904 | { | |
f25fce3e | 905 | return call_int_hook(file_fcntl, 0, file, cmd, arg); |
20510f2f JM |
906 | } |
907 | ||
e0b93edd | 908 | void security_file_set_fowner(struct file *file) |
20510f2f | 909 | { |
f25fce3e | 910 | call_void_hook(file_set_fowner, file); |
20510f2f JM |
911 | } |
912 | ||
913 | int security_file_send_sigiotask(struct task_struct *tsk, | |
914 | struct fown_struct *fown, int sig) | |
915 | { | |
f25fce3e | 916 | return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); |
20510f2f JM |
917 | } |
918 | ||
919 | int security_file_receive(struct file *file) | |
920 | { | |
f25fce3e | 921 | return call_int_hook(file_receive, 0, file); |
20510f2f JM |
922 | } |
923 | ||
83d49856 | 924 | int security_file_open(struct file *file, const struct cred *cred) |
20510f2f | 925 | { |
c4ec54b4 EP |
926 | int ret; |
927 | ||
f25fce3e | 928 | ret = call_int_hook(file_open, 0, file, cred); |
c4ec54b4 EP |
929 | if (ret) |
930 | return ret; | |
931 | ||
932 | return fsnotify_perm(file, MAY_OPEN); | |
20510f2f JM |
933 | } |
934 | ||
935 | int security_task_create(unsigned long clone_flags) | |
936 | { | |
f25fce3e | 937 | return call_int_hook(task_create, 0, clone_flags); |
20510f2f JM |
938 | } |
939 | ||
e4e55b47 TH |
940 | int security_task_alloc(struct task_struct *task, unsigned long clone_flags) |
941 | { | |
942 | return call_int_hook(task_alloc, 0, task, clone_flags); | |
943 | } | |
944 | ||
1a2a4d06 KC |
945 | void security_task_free(struct task_struct *task) |
946 | { | |
f25fce3e | 947 | call_void_hook(task_free, task); |
1a2a4d06 KC |
948 | } |
949 | ||
ee18d64c DH |
950 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
951 | { | |
f25fce3e | 952 | return call_int_hook(cred_alloc_blank, 0, cred, gfp); |
ee18d64c DH |
953 | } |
954 | ||
d84f4f99 | 955 | void security_cred_free(struct cred *cred) |
20510f2f | 956 | { |
f25fce3e | 957 | call_void_hook(cred_free, cred); |
20510f2f JM |
958 | } |
959 | ||
d84f4f99 | 960 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
20510f2f | 961 | { |
f25fce3e | 962 | return call_int_hook(cred_prepare, 0, new, old, gfp); |
d84f4f99 DH |
963 | } |
964 | ||
ee18d64c DH |
965 | void security_transfer_creds(struct cred *new, const struct cred *old) |
966 | { | |
f25fce3e | 967 | call_void_hook(cred_transfer, new, old); |
ee18d64c DH |
968 | } |
969 | ||
3a3b7ce9 DH |
970 | int security_kernel_act_as(struct cred *new, u32 secid) |
971 | { | |
f25fce3e | 972 | return call_int_hook(kernel_act_as, 0, new, secid); |
3a3b7ce9 DH |
973 | } |
974 | ||
975 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) | |
976 | { | |
f25fce3e | 977 | return call_int_hook(kernel_create_files_as, 0, new, inode); |
3a3b7ce9 DH |
978 | } |
979 | ||
dd8dbf2e | 980 | int security_kernel_module_request(char *kmod_name) |
9188499c | 981 | { |
f25fce3e | 982 | return call_int_hook(kernel_module_request, 0, kmod_name); |
9188499c EP |
983 | } |
984 | ||
39eeb4fb MZ |
985 | int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) |
986 | { | |
987 | int ret; | |
988 | ||
989 | ret = call_int_hook(kernel_read_file, 0, file, id); | |
990 | if (ret) | |
991 | return ret; | |
992 | return ima_read_file(file, id); | |
993 | } | |
994 | EXPORT_SYMBOL_GPL(security_kernel_read_file); | |
995 | ||
bc8ca5b9 MZ |
996 | int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, |
997 | enum kernel_read_file_id id) | |
b44a7dfc | 998 | { |
cf222217 MZ |
999 | int ret; |
1000 | ||
1001 | ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); | |
1002 | if (ret) | |
1003 | return ret; | |
1004 | return ima_post_read_file(file, buf, size, id); | |
b44a7dfc MZ |
1005 | } |
1006 | EXPORT_SYMBOL_GPL(security_kernel_post_read_file); | |
1007 | ||
d84f4f99 DH |
1008 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
1009 | int flags) | |
20510f2f | 1010 | { |
f25fce3e | 1011 | return call_int_hook(task_fix_setuid, 0, new, old, flags); |
20510f2f JM |
1012 | } |
1013 | ||
20510f2f JM |
1014 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
1015 | { | |
f25fce3e | 1016 | return call_int_hook(task_setpgid, 0, p, pgid); |
20510f2f JM |
1017 | } |
1018 | ||
1019 | int security_task_getpgid(struct task_struct *p) | |
1020 | { | |
f25fce3e | 1021 | return call_int_hook(task_getpgid, 0, p); |
20510f2f JM |
1022 | } |
1023 | ||
1024 | int security_task_getsid(struct task_struct *p) | |
1025 | { | |
f25fce3e | 1026 | return call_int_hook(task_getsid, 0, p); |
20510f2f JM |
1027 | } |
1028 | ||
1029 | void security_task_getsecid(struct task_struct *p, u32 *secid) | |
1030 | { | |
b1d9e6b0 | 1031 | *secid = 0; |
f25fce3e | 1032 | call_void_hook(task_getsecid, p, secid); |
20510f2f JM |
1033 | } |
1034 | EXPORT_SYMBOL(security_task_getsecid); | |
1035 | ||
20510f2f JM |
1036 | int security_task_setnice(struct task_struct *p, int nice) |
1037 | { | |
f25fce3e | 1038 | return call_int_hook(task_setnice, 0, p, nice); |
20510f2f JM |
1039 | } |
1040 | ||
1041 | int security_task_setioprio(struct task_struct *p, int ioprio) | |
1042 | { | |
f25fce3e | 1043 | return call_int_hook(task_setioprio, 0, p, ioprio); |
20510f2f JM |
1044 | } |
1045 | ||
1046 | int security_task_getioprio(struct task_struct *p) | |
1047 | { | |
f25fce3e | 1048 | return call_int_hook(task_getioprio, 0, p); |
20510f2f JM |
1049 | } |
1050 | ||
791ec491 SS |
1051 | int security_task_prlimit(const struct cred *cred, const struct cred *tcred, |
1052 | unsigned int flags) | |
1053 | { | |
1054 | return call_int_hook(task_prlimit, 0, cred, tcred, flags); | |
1055 | } | |
1056 | ||
8fd00b4d JS |
1057 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
1058 | struct rlimit *new_rlim) | |
20510f2f | 1059 | { |
f25fce3e | 1060 | return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); |
20510f2f JM |
1061 | } |
1062 | ||
b0ae1981 | 1063 | int security_task_setscheduler(struct task_struct *p) |
20510f2f | 1064 | { |
f25fce3e | 1065 | return call_int_hook(task_setscheduler, 0, p); |
20510f2f JM |
1066 | } |
1067 | ||
1068 | int security_task_getscheduler(struct task_struct *p) | |
1069 | { | |
f25fce3e | 1070 | return call_int_hook(task_getscheduler, 0, p); |
20510f2f JM |
1071 | } |
1072 | ||
1073 | int security_task_movememory(struct task_struct *p) | |
1074 | { | |
f25fce3e | 1075 | return call_int_hook(task_movememory, 0, p); |
20510f2f JM |
1076 | } |
1077 | ||
1078 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
1079 | int sig, u32 secid) | |
1080 | { | |
f25fce3e | 1081 | return call_int_hook(task_kill, 0, p, info, sig, secid); |
20510f2f JM |
1082 | } |
1083 | ||
20510f2f | 1084 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
d84f4f99 | 1085 | unsigned long arg4, unsigned long arg5) |
20510f2f | 1086 | { |
b1d9e6b0 CS |
1087 | int thisrc; |
1088 | int rc = -ENOSYS; | |
1089 | struct security_hook_list *hp; | |
1090 | ||
1091 | list_for_each_entry(hp, &security_hook_heads.task_prctl, list) { | |
1092 | thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); | |
1093 | if (thisrc != -ENOSYS) { | |
1094 | rc = thisrc; | |
1095 | if (thisrc != 0) | |
1096 | break; | |
1097 | } | |
1098 | } | |
1099 | return rc; | |
20510f2f JM |
1100 | } |
1101 | ||
1102 | void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
1103 | { | |
f25fce3e | 1104 | call_void_hook(task_to_inode, p, inode); |
20510f2f JM |
1105 | } |
1106 | ||
1107 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
1108 | { | |
f25fce3e | 1109 | return call_int_hook(ipc_permission, 0, ipcp, flag); |
20510f2f JM |
1110 | } |
1111 | ||
8a076191 AD |
1112 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
1113 | { | |
b1d9e6b0 | 1114 | *secid = 0; |
f25fce3e | 1115 | call_void_hook(ipc_getsecid, ipcp, secid); |
8a076191 AD |
1116 | } |
1117 | ||
20510f2f JM |
1118 | int security_msg_msg_alloc(struct msg_msg *msg) |
1119 | { | |
f25fce3e | 1120 | return call_int_hook(msg_msg_alloc_security, 0, msg); |
20510f2f JM |
1121 | } |
1122 | ||
1123 | void security_msg_msg_free(struct msg_msg *msg) | |
1124 | { | |
f25fce3e | 1125 | call_void_hook(msg_msg_free_security, msg); |
20510f2f JM |
1126 | } |
1127 | ||
1128 | int security_msg_queue_alloc(struct msg_queue *msq) | |
1129 | { | |
f25fce3e | 1130 | return call_int_hook(msg_queue_alloc_security, 0, msq); |
20510f2f JM |
1131 | } |
1132 | ||
1133 | void security_msg_queue_free(struct msg_queue *msq) | |
1134 | { | |
f25fce3e | 1135 | call_void_hook(msg_queue_free_security, msq); |
20510f2f JM |
1136 | } |
1137 | ||
1138 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
1139 | { | |
f25fce3e | 1140 | return call_int_hook(msg_queue_associate, 0, msq, msqflg); |
20510f2f JM |
1141 | } |
1142 | ||
1143 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
1144 | { | |
f25fce3e | 1145 | return call_int_hook(msg_queue_msgctl, 0, msq, cmd); |
20510f2f JM |
1146 | } |
1147 | ||
1148 | int security_msg_queue_msgsnd(struct msg_queue *msq, | |
1149 | struct msg_msg *msg, int msqflg) | |
1150 | { | |
f25fce3e | 1151 | return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); |
20510f2f JM |
1152 | } |
1153 | ||
1154 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
1155 | struct task_struct *target, long type, int mode) | |
1156 | { | |
f25fce3e | 1157 | return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); |
20510f2f JM |
1158 | } |
1159 | ||
1160 | int security_shm_alloc(struct shmid_kernel *shp) | |
1161 | { | |
f25fce3e | 1162 | return call_int_hook(shm_alloc_security, 0, shp); |
20510f2f JM |
1163 | } |
1164 | ||
1165 | void security_shm_free(struct shmid_kernel *shp) | |
1166 | { | |
f25fce3e | 1167 | call_void_hook(shm_free_security, shp); |
20510f2f JM |
1168 | } |
1169 | ||
1170 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) | |
1171 | { | |
f25fce3e | 1172 | return call_int_hook(shm_associate, 0, shp, shmflg); |
20510f2f JM |
1173 | } |
1174 | ||
1175 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
1176 | { | |
f25fce3e | 1177 | return call_int_hook(shm_shmctl, 0, shp, cmd); |
20510f2f JM |
1178 | } |
1179 | ||
1180 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) | |
1181 | { | |
f25fce3e | 1182 | return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); |
20510f2f JM |
1183 | } |
1184 | ||
1185 | int security_sem_alloc(struct sem_array *sma) | |
1186 | { | |
f25fce3e | 1187 | return call_int_hook(sem_alloc_security, 0, sma); |
20510f2f JM |
1188 | } |
1189 | ||
1190 | void security_sem_free(struct sem_array *sma) | |
1191 | { | |
f25fce3e | 1192 | call_void_hook(sem_free_security, sma); |
20510f2f JM |
1193 | } |
1194 | ||
1195 | int security_sem_associate(struct sem_array *sma, int semflg) | |
1196 | { | |
f25fce3e | 1197 | return call_int_hook(sem_associate, 0, sma, semflg); |
20510f2f JM |
1198 | } |
1199 | ||
1200 | int security_sem_semctl(struct sem_array *sma, int cmd) | |
1201 | { | |
f25fce3e | 1202 | return call_int_hook(sem_semctl, 0, sma, cmd); |
20510f2f JM |
1203 | } |
1204 | ||
1205 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
1206 | unsigned nsops, int alter) | |
1207 | { | |
f25fce3e | 1208 | return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); |
20510f2f JM |
1209 | } |
1210 | ||
1211 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) | |
1212 | { | |
1213 | if (unlikely(inode && IS_PRIVATE(inode))) | |
1214 | return; | |
f25fce3e | 1215 | call_void_hook(d_instantiate, dentry, inode); |
20510f2f JM |
1216 | } |
1217 | EXPORT_SYMBOL(security_d_instantiate); | |
1218 | ||
1219 | int security_getprocattr(struct task_struct *p, char *name, char **value) | |
1220 | { | |
b1d9e6b0 | 1221 | return call_int_hook(getprocattr, -EINVAL, p, name, value); |
20510f2f JM |
1222 | } |
1223 | ||
b21507e2 | 1224 | int security_setprocattr(const char *name, void *value, size_t size) |
20510f2f | 1225 | { |
b21507e2 | 1226 | return call_int_hook(setprocattr, -EINVAL, name, value, size); |
20510f2f JM |
1227 | } |
1228 | ||
1229 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) | |
1230 | { | |
f25fce3e | 1231 | return call_int_hook(netlink_send, 0, sk, skb); |
20510f2f | 1232 | } |
20510f2f | 1233 | |
746df9b5 DQ |
1234 | int security_ismaclabel(const char *name) |
1235 | { | |
f25fce3e | 1236 | return call_int_hook(ismaclabel, 0, name); |
746df9b5 DQ |
1237 | } |
1238 | EXPORT_SYMBOL(security_ismaclabel); | |
1239 | ||
20510f2f JM |
1240 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1241 | { | |
b1d9e6b0 CS |
1242 | return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, |
1243 | seclen); | |
20510f2f JM |
1244 | } |
1245 | EXPORT_SYMBOL(security_secid_to_secctx); | |
1246 | ||
7bf570dc | 1247 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
63cb3449 | 1248 | { |
b1d9e6b0 | 1249 | *secid = 0; |
f25fce3e | 1250 | return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); |
63cb3449 DH |
1251 | } |
1252 | EXPORT_SYMBOL(security_secctx_to_secid); | |
1253 | ||
20510f2f JM |
1254 | void security_release_secctx(char *secdata, u32 seclen) |
1255 | { | |
f25fce3e | 1256 | call_void_hook(release_secctx, secdata, seclen); |
20510f2f JM |
1257 | } |
1258 | EXPORT_SYMBOL(security_release_secctx); | |
1259 | ||
6f3be9f5 AG |
1260 | void security_inode_invalidate_secctx(struct inode *inode) |
1261 | { | |
1262 | call_void_hook(inode_invalidate_secctx, inode); | |
1263 | } | |
1264 | EXPORT_SYMBOL(security_inode_invalidate_secctx); | |
1265 | ||
1ee65e37 DQ |
1266 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1267 | { | |
f25fce3e | 1268 | return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); |
1ee65e37 DQ |
1269 | } |
1270 | EXPORT_SYMBOL(security_inode_notifysecctx); | |
1271 | ||
1272 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
1273 | { | |
f25fce3e | 1274 | return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); |
1ee65e37 DQ |
1275 | } |
1276 | EXPORT_SYMBOL(security_inode_setsecctx); | |
1277 | ||
1278 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
1279 | { | |
b1d9e6b0 | 1280 | return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); |
1ee65e37 DQ |
1281 | } |
1282 | EXPORT_SYMBOL(security_inode_getsecctx); | |
1283 | ||
20510f2f JM |
1284 | #ifdef CONFIG_SECURITY_NETWORK |
1285 | ||
3610cda5 | 1286 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
20510f2f | 1287 | { |
f25fce3e | 1288 | return call_int_hook(unix_stream_connect, 0, sock, other, newsk); |
20510f2f JM |
1289 | } |
1290 | EXPORT_SYMBOL(security_unix_stream_connect); | |
1291 | ||
1292 | int security_unix_may_send(struct socket *sock, struct socket *other) | |
1293 | { | |
f25fce3e | 1294 | return call_int_hook(unix_may_send, 0, sock, other); |
20510f2f JM |
1295 | } |
1296 | EXPORT_SYMBOL(security_unix_may_send); | |
1297 | ||
1298 | int security_socket_create(int family, int type, int protocol, int kern) | |
1299 | { | |
f25fce3e | 1300 | return call_int_hook(socket_create, 0, family, type, protocol, kern); |
20510f2f JM |
1301 | } |
1302 | ||
1303 | int security_socket_post_create(struct socket *sock, int family, | |
1304 | int type, int protocol, int kern) | |
1305 | { | |
f25fce3e | 1306 | return call_int_hook(socket_post_create, 0, sock, family, type, |
20510f2f JM |
1307 | protocol, kern); |
1308 | } | |
1309 | ||
1310 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) | |
1311 | { | |
f25fce3e | 1312 | return call_int_hook(socket_bind, 0, sock, address, addrlen); |
20510f2f JM |
1313 | } |
1314 | ||
1315 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) | |
1316 | { | |
f25fce3e | 1317 | return call_int_hook(socket_connect, 0, sock, address, addrlen); |
20510f2f JM |
1318 | } |
1319 | ||
1320 | int security_socket_listen(struct socket *sock, int backlog) | |
1321 | { | |
f25fce3e | 1322 | return call_int_hook(socket_listen, 0, sock, backlog); |
20510f2f JM |
1323 | } |
1324 | ||
1325 | int security_socket_accept(struct socket *sock, struct socket *newsock) | |
1326 | { | |
f25fce3e | 1327 | return call_int_hook(socket_accept, 0, sock, newsock); |
20510f2f JM |
1328 | } |
1329 | ||
20510f2f JM |
1330 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1331 | { | |
f25fce3e | 1332 | return call_int_hook(socket_sendmsg, 0, sock, msg, size); |
20510f2f JM |
1333 | } |
1334 | ||
1335 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
1336 | int size, int flags) | |
1337 | { | |
f25fce3e | 1338 | return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); |
20510f2f JM |
1339 | } |
1340 | ||
1341 | int security_socket_getsockname(struct socket *sock) | |
1342 | { | |
f25fce3e | 1343 | return call_int_hook(socket_getsockname, 0, sock); |
20510f2f JM |
1344 | } |
1345 | ||
1346 | int security_socket_getpeername(struct socket *sock) | |
1347 | { | |
f25fce3e | 1348 | return call_int_hook(socket_getpeername, 0, sock); |
20510f2f JM |
1349 | } |
1350 | ||
1351 | int security_socket_getsockopt(struct socket *sock, int level, int optname) | |
1352 | { | |
f25fce3e | 1353 | return call_int_hook(socket_getsockopt, 0, sock, level, optname); |
20510f2f JM |
1354 | } |
1355 | ||
1356 | int security_socket_setsockopt(struct socket *sock, int level, int optname) | |
1357 | { | |
f25fce3e | 1358 | return call_int_hook(socket_setsockopt, 0, sock, level, optname); |
20510f2f JM |
1359 | } |
1360 | ||
1361 | int security_socket_shutdown(struct socket *sock, int how) | |
1362 | { | |
f25fce3e | 1363 | return call_int_hook(socket_shutdown, 0, sock, how); |
20510f2f JM |
1364 | } |
1365 | ||
1366 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
1367 | { | |
f25fce3e | 1368 | return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); |
20510f2f JM |
1369 | } |
1370 | EXPORT_SYMBOL(security_sock_rcv_skb); | |
1371 | ||
1372 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
1373 | int __user *optlen, unsigned len) | |
1374 | { | |
b1d9e6b0 CS |
1375 | return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, |
1376 | optval, optlen, len); | |
20510f2f JM |
1377 | } |
1378 | ||
1379 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) | |
1380 | { | |
e308fd3b JB |
1381 | return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, |
1382 | skb, secid); | |
20510f2f JM |
1383 | } |
1384 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); | |
1385 | ||
1386 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) | |
1387 | { | |
f25fce3e | 1388 | return call_int_hook(sk_alloc_security, 0, sk, family, priority); |
20510f2f JM |
1389 | } |
1390 | ||
1391 | void security_sk_free(struct sock *sk) | |
1392 | { | |
f25fce3e | 1393 | call_void_hook(sk_free_security, sk); |
20510f2f JM |
1394 | } |
1395 | ||
1396 | void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1397 | { | |
f25fce3e | 1398 | call_void_hook(sk_clone_security, sk, newsk); |
20510f2f | 1399 | } |
6230c9b4 | 1400 | EXPORT_SYMBOL(security_sk_clone); |
20510f2f JM |
1401 | |
1402 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) | |
1403 | { | |
f25fce3e | 1404 | call_void_hook(sk_getsecid, sk, &fl->flowi_secid); |
20510f2f JM |
1405 | } |
1406 | EXPORT_SYMBOL(security_sk_classify_flow); | |
1407 | ||
1408 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
1409 | { | |
f25fce3e | 1410 | call_void_hook(req_classify_flow, req, fl); |
20510f2f JM |
1411 | } |
1412 | EXPORT_SYMBOL(security_req_classify_flow); | |
1413 | ||
1414 | void security_sock_graft(struct sock *sk, struct socket *parent) | |
1415 | { | |
f25fce3e | 1416 | call_void_hook(sock_graft, sk, parent); |
20510f2f JM |
1417 | } |
1418 | EXPORT_SYMBOL(security_sock_graft); | |
1419 | ||
1420 | int security_inet_conn_request(struct sock *sk, | |
1421 | struct sk_buff *skb, struct request_sock *req) | |
1422 | { | |
f25fce3e | 1423 | return call_int_hook(inet_conn_request, 0, sk, skb, req); |
20510f2f JM |
1424 | } |
1425 | EXPORT_SYMBOL(security_inet_conn_request); | |
1426 | ||
1427 | void security_inet_csk_clone(struct sock *newsk, | |
1428 | const struct request_sock *req) | |
1429 | { | |
f25fce3e | 1430 | call_void_hook(inet_csk_clone, newsk, req); |
20510f2f JM |
1431 | } |
1432 | ||
1433 | void security_inet_conn_established(struct sock *sk, | |
1434 | struct sk_buff *skb) | |
1435 | { | |
f25fce3e | 1436 | call_void_hook(inet_conn_established, sk, skb); |
20510f2f JM |
1437 | } |
1438 | ||
2606fd1f EP |
1439 | int security_secmark_relabel_packet(u32 secid) |
1440 | { | |
f25fce3e | 1441 | return call_int_hook(secmark_relabel_packet, 0, secid); |
2606fd1f EP |
1442 | } |
1443 | EXPORT_SYMBOL(security_secmark_relabel_packet); | |
1444 | ||
1445 | void security_secmark_refcount_inc(void) | |
1446 | { | |
f25fce3e | 1447 | call_void_hook(secmark_refcount_inc); |
2606fd1f EP |
1448 | } |
1449 | EXPORT_SYMBOL(security_secmark_refcount_inc); | |
1450 | ||
1451 | void security_secmark_refcount_dec(void) | |
1452 | { | |
f25fce3e | 1453 | call_void_hook(secmark_refcount_dec); |
2606fd1f EP |
1454 | } |
1455 | EXPORT_SYMBOL(security_secmark_refcount_dec); | |
1456 | ||
5dbbaf2d PM |
1457 | int security_tun_dev_alloc_security(void **security) |
1458 | { | |
f25fce3e | 1459 | return call_int_hook(tun_dev_alloc_security, 0, security); |
5dbbaf2d PM |
1460 | } |
1461 | EXPORT_SYMBOL(security_tun_dev_alloc_security); | |
1462 | ||
1463 | void security_tun_dev_free_security(void *security) | |
1464 | { | |
f25fce3e | 1465 | call_void_hook(tun_dev_free_security, security); |
5dbbaf2d PM |
1466 | } |
1467 | EXPORT_SYMBOL(security_tun_dev_free_security); | |
1468 | ||
2b980dbd PM |
1469 | int security_tun_dev_create(void) |
1470 | { | |
f25fce3e | 1471 | return call_int_hook(tun_dev_create, 0); |
2b980dbd PM |
1472 | } |
1473 | EXPORT_SYMBOL(security_tun_dev_create); | |
1474 | ||
5dbbaf2d | 1475 | int security_tun_dev_attach_queue(void *security) |
2b980dbd | 1476 | { |
f25fce3e | 1477 | return call_int_hook(tun_dev_attach_queue, 0, security); |
2b980dbd | 1478 | } |
5dbbaf2d | 1479 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
2b980dbd | 1480 | |
5dbbaf2d | 1481 | int security_tun_dev_attach(struct sock *sk, void *security) |
2b980dbd | 1482 | { |
f25fce3e | 1483 | return call_int_hook(tun_dev_attach, 0, sk, security); |
2b980dbd PM |
1484 | } |
1485 | EXPORT_SYMBOL(security_tun_dev_attach); | |
1486 | ||
5dbbaf2d PM |
1487 | int security_tun_dev_open(void *security) |
1488 | { | |
f25fce3e | 1489 | return call_int_hook(tun_dev_open, 0, security); |
5dbbaf2d PM |
1490 | } |
1491 | EXPORT_SYMBOL(security_tun_dev_open); | |
1492 | ||
20510f2f JM |
1493 | #endif /* CONFIG_SECURITY_NETWORK */ |
1494 | ||
1495 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
1496 | ||
52a4c640 NA |
1497 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1498 | struct xfrm_user_sec_ctx *sec_ctx, | |
1499 | gfp_t gfp) | |
20510f2f | 1500 | { |
f25fce3e | 1501 | return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); |
20510f2f JM |
1502 | } |
1503 | EXPORT_SYMBOL(security_xfrm_policy_alloc); | |
1504 | ||
03e1ad7b PM |
1505 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1506 | struct xfrm_sec_ctx **new_ctxp) | |
20510f2f | 1507 | { |
f25fce3e | 1508 | return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); |
20510f2f JM |
1509 | } |
1510 | ||
03e1ad7b | 1511 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
20510f2f | 1512 | { |
f25fce3e | 1513 | call_void_hook(xfrm_policy_free_security, ctx); |
20510f2f JM |
1514 | } |
1515 | EXPORT_SYMBOL(security_xfrm_policy_free); | |
1516 | ||
03e1ad7b | 1517 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
20510f2f | 1518 | { |
f25fce3e | 1519 | return call_int_hook(xfrm_policy_delete_security, 0, ctx); |
20510f2f JM |
1520 | } |
1521 | ||
2e5aa866 PM |
1522 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1523 | struct xfrm_user_sec_ctx *sec_ctx) | |
20510f2f | 1524 | { |
f25fce3e | 1525 | return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); |
20510f2f JM |
1526 | } |
1527 | EXPORT_SYMBOL(security_xfrm_state_alloc); | |
1528 | ||
1529 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
1530 | struct xfrm_sec_ctx *polsec, u32 secid) | |
1531 | { | |
f25fce3e | 1532 | return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); |
20510f2f JM |
1533 | } |
1534 | ||
1535 | int security_xfrm_state_delete(struct xfrm_state *x) | |
1536 | { | |
f25fce3e | 1537 | return call_int_hook(xfrm_state_delete_security, 0, x); |
20510f2f JM |
1538 | } |
1539 | EXPORT_SYMBOL(security_xfrm_state_delete); | |
1540 | ||
1541 | void security_xfrm_state_free(struct xfrm_state *x) | |
1542 | { | |
f25fce3e | 1543 | call_void_hook(xfrm_state_free_security, x); |
20510f2f JM |
1544 | } |
1545 | ||
03e1ad7b | 1546 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
20510f2f | 1547 | { |
f25fce3e | 1548 | return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); |
20510f2f JM |
1549 | } |
1550 | ||
1551 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
e33f7704 DM |
1552 | struct xfrm_policy *xp, |
1553 | const struct flowi *fl) | |
20510f2f | 1554 | { |
b1d9e6b0 CS |
1555 | struct security_hook_list *hp; |
1556 | int rc = 1; | |
1557 | ||
1558 | /* | |
1559 | * Since this function is expected to return 0 or 1, the judgment | |
1560 | * becomes difficult if multiple LSMs supply this call. Fortunately, | |
1561 | * we can use the first LSM's judgment because currently only SELinux | |
1562 | * supplies this call. | |
1563 | * | |
1564 | * For speed optimization, we explicitly break the loop rather than | |
1565 | * using the macro | |
1566 | */ | |
1567 | list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, | |
1568 | list) { | |
1569 | rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); | |
1570 | break; | |
1571 | } | |
1572 | return rc; | |
20510f2f JM |
1573 | } |
1574 | ||
1575 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) | |
1576 | { | |
f25fce3e | 1577 | return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); |
20510f2f JM |
1578 | } |
1579 | ||
1580 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) | |
1581 | { | |
f25fce3e CS |
1582 | int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, |
1583 | 0); | |
20510f2f JM |
1584 | |
1585 | BUG_ON(rc); | |
1586 | } | |
1587 | EXPORT_SYMBOL(security_skb_classify_flow); | |
1588 | ||
1589 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1590 | ||
1591 | #ifdef CONFIG_KEYS | |
1592 | ||
d84f4f99 DH |
1593 | int security_key_alloc(struct key *key, const struct cred *cred, |
1594 | unsigned long flags) | |
20510f2f | 1595 | { |
f25fce3e | 1596 | return call_int_hook(key_alloc, 0, key, cred, flags); |
20510f2f JM |
1597 | } |
1598 | ||
1599 | void security_key_free(struct key *key) | |
1600 | { | |
f25fce3e | 1601 | call_void_hook(key_free, key); |
20510f2f JM |
1602 | } |
1603 | ||
1604 | int security_key_permission(key_ref_t key_ref, | |
f5895943 | 1605 | const struct cred *cred, unsigned perm) |
20510f2f | 1606 | { |
f25fce3e | 1607 | return call_int_hook(key_permission, 0, key_ref, cred, perm); |
20510f2f JM |
1608 | } |
1609 | ||
70a5bb72 DH |
1610 | int security_key_getsecurity(struct key *key, char **_buffer) |
1611 | { | |
b1d9e6b0 | 1612 | *_buffer = NULL; |
f25fce3e | 1613 | return call_int_hook(key_getsecurity, 0, key, _buffer); |
70a5bb72 DH |
1614 | } |
1615 | ||
20510f2f | 1616 | #endif /* CONFIG_KEYS */ |
03d37d25 AD |
1617 | |
1618 | #ifdef CONFIG_AUDIT | |
1619 | ||
1620 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
1621 | { | |
f25fce3e | 1622 | return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); |
03d37d25 AD |
1623 | } |
1624 | ||
1625 | int security_audit_rule_known(struct audit_krule *krule) | |
1626 | { | |
f25fce3e | 1627 | return call_int_hook(audit_rule_known, 0, krule); |
03d37d25 AD |
1628 | } |
1629 | ||
1630 | void security_audit_rule_free(void *lsmrule) | |
1631 | { | |
f25fce3e | 1632 | call_void_hook(audit_rule_free, lsmrule); |
03d37d25 AD |
1633 | } |
1634 | ||
1635 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
1636 | struct audit_context *actx) | |
1637 | { | |
f25fce3e CS |
1638 | return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, |
1639 | actx); | |
03d37d25 | 1640 | } |
b1d9e6b0 | 1641 | #endif /* CONFIG_AUDIT */ |