Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
f7433243 KT |
2 | /* |
3 | * security/tomoyo/tomoyo.c | |
4 | * | |
0f2a55d5 | 5 | * Copyright (C) 2005-2011 NTT DATA CORPORATION |
f7433243 KT |
6 | */ |
7 | ||
3c4ed7bd | 8 | #include <linux/lsm_hooks.h> |
f7433243 | 9 | #include "common.h" |
f7433243 | 10 | |
0f2a55d5 TH |
11 | /** |
12 | * tomoyo_cred_alloc_blank - Target for security_cred_alloc_blank(). | |
13 | * | |
14 | * @new: Pointer to "struct cred". | |
15 | * @gfp: Memory allocation flags. | |
16 | * | |
17 | * Returns 0. | |
18 | */ | |
ee18d64c DH |
19 | static int tomoyo_cred_alloc_blank(struct cred *new, gfp_t gfp) |
20 | { | |
21 | new->security = NULL; | |
22 | return 0; | |
23 | } | |
24 | ||
0f2a55d5 TH |
25 | /** |
26 | * tomoyo_cred_prepare - Target for security_prepare_creds(). | |
27 | * | |
28 | * @new: Pointer to "struct cred". | |
29 | * @old: Pointer to "struct cred". | |
30 | * @gfp: Memory allocation flags. | |
31 | * | |
32 | * Returns 0. | |
33 | */ | |
f7433243 KT |
34 | static int tomoyo_cred_prepare(struct cred *new, const struct cred *old, |
35 | gfp_t gfp) | |
36 | { | |
ec8e6a4e TH |
37 | struct tomoyo_domain_info *domain = old->security; |
38 | new->security = domain; | |
39 | if (domain) | |
40 | atomic_inc(&domain->users); | |
f7433243 KT |
41 | return 0; |
42 | } | |
43 | ||
0f2a55d5 TH |
44 | /** |
45 | * tomoyo_cred_transfer - Target for security_transfer_creds(). | |
46 | * | |
47 | * @new: Pointer to "struct cred". | |
48 | * @old: Pointer to "struct cred". | |
49 | */ | |
ee18d64c DH |
50 | static void tomoyo_cred_transfer(struct cred *new, const struct cred *old) |
51 | { | |
ec8e6a4e TH |
52 | tomoyo_cred_prepare(new, old, 0); |
53 | } | |
54 | ||
0f2a55d5 TH |
55 | /** |
56 | * tomoyo_cred_free - Target for security_cred_free(). | |
57 | * | |
58 | * @cred: Pointer to "struct cred". | |
59 | */ | |
ec8e6a4e TH |
60 | static void tomoyo_cred_free(struct cred *cred) |
61 | { | |
62 | struct tomoyo_domain_info *domain = cred->security; | |
63 | if (domain) | |
64 | atomic_dec(&domain->users); | |
ee18d64c DH |
65 | } |
66 | ||
0f2a55d5 TH |
67 | /** |
68 | * tomoyo_bprm_set_creds - Target for security_bprm_set_creds(). | |
69 | * | |
70 | * @bprm: Pointer to "struct linux_binprm". | |
71 | * | |
72 | * Returns 0 on success, negative value otherwise. | |
73 | */ | |
f7433243 KT |
74 | static int tomoyo_bprm_set_creds(struct linux_binprm *bprm) |
75 | { | |
76 | /* | |
77 | * Do only if this function is called for the first time of an execve | |
78 | * operation. | |
79 | */ | |
ddb4a144 | 80 | if (bprm->called_set_creds) |
f7433243 | 81 | return 0; |
7986cf28 | 82 | #ifndef CONFIG_SECURITY_TOMOYO_OMIT_USERSPACE_LOADER |
f7433243 KT |
83 | /* |
84 | * Load policy if /sbin/tomoyo-init exists and /sbin/init is requested | |
85 | * for the first time. | |
86 | */ | |
87 | if (!tomoyo_policy_loaded) | |
88 | tomoyo_load_policy(bprm->filename); | |
7986cf28 | 89 | #endif |
ec8e6a4e TH |
90 | /* |
91 | * Release reference to "struct tomoyo_domain_info" stored inside | |
92 | * "bprm->cred->security". New reference to "struct tomoyo_domain_info" | |
93 | * stored inside "bprm->cred->security" will be acquired later inside | |
94 | * tomoyo_find_next_domain(). | |
95 | */ | |
96 | atomic_dec(&((struct tomoyo_domain_info *) | |
97 | bprm->cred->security)->users); | |
f7433243 KT |
98 | /* |
99 | * Tell tomoyo_bprm_check_security() is called for the first time of an | |
100 | * execve operation. | |
101 | */ | |
102 | bprm->cred->security = NULL; | |
103 | return 0; | |
104 | } | |
105 | ||
0f2a55d5 TH |
106 | /** |
107 | * tomoyo_bprm_check_security - Target for security_bprm_check(). | |
108 | * | |
109 | * @bprm: Pointer to "struct linux_binprm". | |
110 | * | |
111 | * Returns 0 on success, negative value otherwise. | |
112 | */ | |
f7433243 KT |
113 | static int tomoyo_bprm_check_security(struct linux_binprm *bprm) |
114 | { | |
115 | struct tomoyo_domain_info *domain = bprm->cred->security; | |
116 | ||
117 | /* | |
118 | * Execute permission is checked against pathname passed to do_execve() | |
119 | * using current domain. | |
120 | */ | |
fdb8ebb7 | 121 | if (!domain) { |
fdb8ebb7 TH |
122 | const int idx = tomoyo_read_lock(); |
123 | const int err = tomoyo_find_next_domain(bprm); | |
124 | tomoyo_read_unlock(idx); | |
125 | return err; | |
126 | } | |
f7433243 KT |
127 | /* |
128 | * Read permission is checked against interpreters using next domain. | |
f7433243 | 129 | */ |
0f2a55d5 TH |
130 | return tomoyo_check_open_permission(domain, &bprm->file->f_path, |
131 | O_RDONLY); | |
f7433243 KT |
132 | } |
133 | ||
0f2a55d5 TH |
134 | /** |
135 | * tomoyo_inode_getattr - Target for security_inode_getattr(). | |
136 | * | |
137 | * @mnt: Pointer to "struct vfsmount". | |
138 | * @dentry: Pointer to "struct dentry". | |
139 | * | |
140 | * Returns 0 on success, negative value otherwise. | |
141 | */ | |
3f7036a0 | 142 | static int tomoyo_inode_getattr(const struct path *path) |
7c75964f | 143 | { |
3f7036a0 | 144 | return tomoyo_path_perm(TOMOYO_TYPE_GETATTR, path, NULL); |
7c75964f TH |
145 | } |
146 | ||
0f2a55d5 TH |
147 | /** |
148 | * tomoyo_path_truncate - Target for security_path_truncate(). | |
149 | * | |
150 | * @path: Pointer to "struct path". | |
151 | * | |
152 | * Returns 0 on success, negative value otherwise. | |
153 | */ | |
81f4c506 | 154 | static int tomoyo_path_truncate(const struct path *path) |
f7433243 | 155 | { |
97fb35e4 | 156 | return tomoyo_path_perm(TOMOYO_TYPE_TRUNCATE, path, NULL); |
f7433243 KT |
157 | } |
158 | ||
0f2a55d5 TH |
159 | /** |
160 | * tomoyo_path_unlink - Target for security_path_unlink(). | |
161 | * | |
162 | * @parent: Pointer to "struct path". | |
163 | * @dentry: Pointer to "struct dentry". | |
164 | * | |
165 | * Returns 0 on success, negative value otherwise. | |
166 | */ | |
989f74e0 | 167 | static int tomoyo_path_unlink(const struct path *parent, struct dentry *dentry) |
f7433243 | 168 | { |
8291798d | 169 | struct path path = { .mnt = parent->mnt, .dentry = dentry }; |
97fb35e4 | 170 | return tomoyo_path_perm(TOMOYO_TYPE_UNLINK, &path, NULL); |
f7433243 KT |
171 | } |
172 | ||
0f2a55d5 TH |
173 | /** |
174 | * tomoyo_path_mkdir - Target for security_path_mkdir(). | |
175 | * | |
176 | * @parent: Pointer to "struct path". | |
177 | * @dentry: Pointer to "struct dentry". | |
178 | * @mode: DAC permission mode. | |
179 | * | |
180 | * Returns 0 on success, negative value otherwise. | |
181 | */ | |
d3607752 | 182 | static int tomoyo_path_mkdir(const struct path *parent, struct dentry *dentry, |
4572befe | 183 | umode_t mode) |
f7433243 | 184 | { |
8291798d | 185 | struct path path = { .mnt = parent->mnt, .dentry = dentry }; |
a1f9bb6a TH |
186 | return tomoyo_path_number_perm(TOMOYO_TYPE_MKDIR, &path, |
187 | mode & S_IALLUGO); | |
f7433243 KT |
188 | } |
189 | ||
0f2a55d5 TH |
190 | /** |
191 | * tomoyo_path_rmdir - Target for security_path_rmdir(). | |
192 | * | |
193 | * @parent: Pointer to "struct path". | |
194 | * @dentry: Pointer to "struct dentry". | |
195 | * | |
196 | * Returns 0 on success, negative value otherwise. | |
197 | */ | |
989f74e0 | 198 | static int tomoyo_path_rmdir(const struct path *parent, struct dentry *dentry) |
f7433243 | 199 | { |
8291798d | 200 | struct path path = { .mnt = parent->mnt, .dentry = dentry }; |
97fb35e4 | 201 | return tomoyo_path_perm(TOMOYO_TYPE_RMDIR, &path, NULL); |
f7433243 KT |
202 | } |
203 | ||
0f2a55d5 TH |
204 | /** |
205 | * tomoyo_path_symlink - Target for security_path_symlink(). | |
206 | * | |
207 | * @parent: Pointer to "struct path". | |
208 | * @dentry: Pointer to "struct dentry". | |
209 | * @old_name: Symlink's content. | |
210 | * | |
211 | * Returns 0 on success, negative value otherwise. | |
212 | */ | |
d3607752 | 213 | static int tomoyo_path_symlink(const struct path *parent, struct dentry *dentry, |
f7433243 KT |
214 | const char *old_name) |
215 | { | |
8291798d | 216 | struct path path = { .mnt = parent->mnt, .dentry = dentry }; |
97fb35e4 | 217 | return tomoyo_path_perm(TOMOYO_TYPE_SYMLINK, &path, old_name); |
f7433243 KT |
218 | } |
219 | ||
0f2a55d5 TH |
220 | /** |
221 | * tomoyo_path_mknod - Target for security_path_mknod(). | |
222 | * | |
223 | * @parent: Pointer to "struct path". | |
224 | * @dentry: Pointer to "struct dentry". | |
225 | * @mode: DAC permission mode. | |
226 | * @dev: Device attributes. | |
227 | * | |
228 | * Returns 0 on success, negative value otherwise. | |
229 | */ | |
d3607752 | 230 | static int tomoyo_path_mknod(const struct path *parent, struct dentry *dentry, |
04fc66e7 | 231 | umode_t mode, unsigned int dev) |
f7433243 | 232 | { |
8291798d | 233 | struct path path = { .mnt = parent->mnt, .dentry = dentry }; |
7ef61233 | 234 | int type = TOMOYO_TYPE_CREATE; |
a1f9bb6a | 235 | const unsigned int perm = mode & S_IALLUGO; |
f7433243 KT |
236 | |
237 | switch (mode & S_IFMT) { | |
238 | case S_IFCHR: | |
7ef61233 | 239 | type = TOMOYO_TYPE_MKCHAR; |
f7433243 KT |
240 | break; |
241 | case S_IFBLK: | |
7ef61233 | 242 | type = TOMOYO_TYPE_MKBLOCK; |
f7433243 | 243 | break; |
a1f9bb6a TH |
244 | default: |
245 | goto no_dev; | |
246 | } | |
75093152 | 247 | return tomoyo_mkdev_perm(type, &path, perm, dev); |
a1f9bb6a TH |
248 | no_dev: |
249 | switch (mode & S_IFMT) { | |
f7433243 | 250 | case S_IFIFO: |
7ef61233 | 251 | type = TOMOYO_TYPE_MKFIFO; |
f7433243 KT |
252 | break; |
253 | case S_IFSOCK: | |
7ef61233 | 254 | type = TOMOYO_TYPE_MKSOCK; |
f7433243 KT |
255 | break; |
256 | } | |
a1f9bb6a | 257 | return tomoyo_path_number_perm(type, &path, perm); |
f7433243 KT |
258 | } |
259 | ||
0f2a55d5 TH |
260 | /** |
261 | * tomoyo_path_link - Target for security_path_link(). | |
262 | * | |
263 | * @old_dentry: Pointer to "struct dentry". | |
264 | * @new_dir: Pointer to "struct path". | |
265 | * @new_dentry: Pointer to "struct dentry". | |
266 | * | |
267 | * Returns 0 on success, negative value otherwise. | |
268 | */ | |
3ccee46a | 269 | static int tomoyo_path_link(struct dentry *old_dentry, const struct path *new_dir, |
f7433243 KT |
270 | struct dentry *new_dentry) |
271 | { | |
8291798d KC |
272 | struct path path1 = { .mnt = new_dir->mnt, .dentry = old_dentry }; |
273 | struct path path2 = { .mnt = new_dir->mnt, .dentry = new_dentry }; | |
97d6931e | 274 | return tomoyo_path2_perm(TOMOYO_TYPE_LINK, &path1, &path2); |
f7433243 KT |
275 | } |
276 | ||
0f2a55d5 TH |
277 | /** |
278 | * tomoyo_path_rename - Target for security_path_rename(). | |
279 | * | |
280 | * @old_parent: Pointer to "struct path". | |
281 | * @old_dentry: Pointer to "struct dentry". | |
282 | * @new_parent: Pointer to "struct path". | |
283 | * @new_dentry: Pointer to "struct dentry". | |
284 | * | |
285 | * Returns 0 on success, negative value otherwise. | |
286 | */ | |
3ccee46a | 287 | static int tomoyo_path_rename(const struct path *old_parent, |
f7433243 | 288 | struct dentry *old_dentry, |
3ccee46a | 289 | const struct path *new_parent, |
f7433243 KT |
290 | struct dentry *new_dentry) |
291 | { | |
8291798d KC |
292 | struct path path1 = { .mnt = old_parent->mnt, .dentry = old_dentry }; |
293 | struct path path2 = { .mnt = new_parent->mnt, .dentry = new_dentry }; | |
97d6931e | 294 | return tomoyo_path2_perm(TOMOYO_TYPE_RENAME, &path1, &path2); |
f7433243 KT |
295 | } |
296 | ||
0f2a55d5 TH |
297 | /** |
298 | * tomoyo_file_fcntl - Target for security_file_fcntl(). | |
299 | * | |
300 | * @file: Pointer to "struct file". | |
301 | * @cmd: Command for fcntl(). | |
302 | * @arg: Argument for @cmd. | |
303 | * | |
304 | * Returns 0 on success, negative value otherwise. | |
305 | */ | |
f7433243 KT |
306 | static int tomoyo_file_fcntl(struct file *file, unsigned int cmd, |
307 | unsigned long arg) | |
308 | { | |
7c75964f TH |
309 | if (!(cmd == F_SETFL && ((arg ^ file->f_flags) & O_APPEND))) |
310 | return 0; | |
311 | return tomoyo_check_open_permission(tomoyo_domain(), &file->f_path, | |
312 | O_WRONLY | (arg & O_APPEND)); | |
f7433243 KT |
313 | } |
314 | ||
0f2a55d5 | 315 | /** |
83d49856 | 316 | * tomoyo_file_open - Target for security_file_open(). |
0f2a55d5 TH |
317 | * |
318 | * @f: Pointer to "struct file". | |
319 | * @cred: Pointer to "struct cred". | |
320 | * | |
321 | * Returns 0 on success, negative value otherwise. | |
322 | */ | |
83d49856 | 323 | static int tomoyo_file_open(struct file *f, const struct cred *cred) |
f7433243 KT |
324 | { |
325 | int flags = f->f_flags; | |
f7433243 KT |
326 | /* Don't check read permission here if called from do_execve(). */ |
327 | if (current->in_execve) | |
328 | return 0; | |
329 | return tomoyo_check_open_permission(tomoyo_domain(), &f->f_path, flags); | |
330 | } | |
331 | ||
0f2a55d5 TH |
332 | /** |
333 | * tomoyo_file_ioctl - Target for security_file_ioctl(). | |
334 | * | |
335 | * @file: Pointer to "struct file". | |
336 | * @cmd: Command for ioctl(). | |
337 | * @arg: Argument for @cmd. | |
338 | * | |
339 | * Returns 0 on success, negative value otherwise. | |
340 | */ | |
937bf613 TH |
341 | static int tomoyo_file_ioctl(struct file *file, unsigned int cmd, |
342 | unsigned long arg) | |
343 | { | |
a1f9bb6a | 344 | return tomoyo_path_number_perm(TOMOYO_TYPE_IOCTL, &file->f_path, cmd); |
937bf613 TH |
345 | } |
346 | ||
0f2a55d5 TH |
347 | /** |
348 | * tomoyo_path_chmod - Target for security_path_chmod(). | |
349 | * | |
cdcf116d AV |
350 | * @path: Pointer to "struct path". |
351 | * @mode: DAC permission mode. | |
0f2a55d5 TH |
352 | * |
353 | * Returns 0 on success, negative value otherwise. | |
354 | */ | |
be01f9f2 | 355 | static int tomoyo_path_chmod(const struct path *path, umode_t mode) |
937bf613 | 356 | { |
cdcf116d | 357 | return tomoyo_path_number_perm(TOMOYO_TYPE_CHMOD, path, |
a1f9bb6a | 358 | mode & S_IALLUGO); |
937bf613 TH |
359 | } |
360 | ||
0f2a55d5 TH |
361 | /** |
362 | * tomoyo_path_chown - Target for security_path_chown(). | |
363 | * | |
364 | * @path: Pointer to "struct path". | |
365 | * @uid: Owner ID. | |
366 | * @gid: Group ID. | |
367 | * | |
368 | * Returns 0 on success, negative value otherwise. | |
369 | */ | |
7fd25dac | 370 | static int tomoyo_path_chown(const struct path *path, kuid_t uid, kgid_t gid) |
937bf613 TH |
371 | { |
372 | int error = 0; | |
d2b31ca6 EB |
373 | if (uid_valid(uid)) |
374 | error = tomoyo_path_number_perm(TOMOYO_TYPE_CHOWN, path, | |
375 | from_kuid(&init_user_ns, uid)); | |
376 | if (!error && gid_valid(gid)) | |
377 | error = tomoyo_path_number_perm(TOMOYO_TYPE_CHGRP, path, | |
378 | from_kgid(&init_user_ns, gid)); | |
937bf613 TH |
379 | return error; |
380 | } | |
381 | ||
0f2a55d5 TH |
382 | /** |
383 | * tomoyo_path_chroot - Target for security_path_chroot(). | |
384 | * | |
385 | * @path: Pointer to "struct path". | |
386 | * | |
387 | * Returns 0 on success, negative value otherwise. | |
388 | */ | |
77b286c0 | 389 | static int tomoyo_path_chroot(const struct path *path) |
937bf613 | 390 | { |
97fb35e4 | 391 | return tomoyo_path_perm(TOMOYO_TYPE_CHROOT, path, NULL); |
937bf613 TH |
392 | } |
393 | ||
0f2a55d5 TH |
394 | /** |
395 | * tomoyo_sb_mount - Target for security_sb_mount(). | |
396 | * | |
397 | * @dev_name: Name of device file. Maybe NULL. | |
398 | * @path: Pointer to "struct path". | |
399 | * @type: Name of filesystem type. Maybe NULL. | |
400 | * @flags: Mount options. | |
401 | * @data: Optional data. Maybe NULL. | |
402 | * | |
403 | * Returns 0 on success, negative value otherwise. | |
404 | */ | |
8a04c43b | 405 | static int tomoyo_sb_mount(const char *dev_name, const struct path *path, |
808d4e3c | 406 | const char *type, unsigned long flags, void *data) |
937bf613 | 407 | { |
2106ccd9 | 408 | return tomoyo_mount_permission(dev_name, path, type, flags, data); |
937bf613 TH |
409 | } |
410 | ||
0f2a55d5 TH |
411 | /** |
412 | * tomoyo_sb_umount - Target for security_sb_umount(). | |
413 | * | |
414 | * @mnt: Pointer to "struct vfsmount". | |
415 | * @flags: Unmount options. | |
416 | * | |
417 | * Returns 0 on success, negative value otherwise. | |
418 | */ | |
937bf613 TH |
419 | static int tomoyo_sb_umount(struct vfsmount *mnt, int flags) |
420 | { | |
8291798d | 421 | struct path path = { .mnt = mnt, .dentry = mnt->mnt_root }; |
97fb35e4 | 422 | return tomoyo_path_perm(TOMOYO_TYPE_UMOUNT, &path, NULL); |
937bf613 TH |
423 | } |
424 | ||
0f2a55d5 TH |
425 | /** |
426 | * tomoyo_sb_pivotroot - Target for security_sb_pivotroot(). | |
427 | * | |
428 | * @old_path: Pointer to "struct path". | |
429 | * @new_path: Pointer to "struct path". | |
430 | * | |
431 | * Returns 0 on success, negative value otherwise. | |
432 | */ | |
3b73b68c | 433 | static int tomoyo_sb_pivotroot(const struct path *old_path, const struct path *new_path) |
937bf613 | 434 | { |
97d6931e | 435 | return tomoyo_path2_perm(TOMOYO_TYPE_PIVOT_ROOT, new_path, old_path); |
937bf613 TH |
436 | } |
437 | ||
059d84db TH |
438 | /** |
439 | * tomoyo_socket_listen - Check permission for listen(). | |
440 | * | |
441 | * @sock: Pointer to "struct socket". | |
442 | * @backlog: Backlog parameter. | |
443 | * | |
444 | * Returns 0 on success, negative value otherwise. | |
445 | */ | |
446 | static int tomoyo_socket_listen(struct socket *sock, int backlog) | |
447 | { | |
448 | return tomoyo_socket_listen_permission(sock); | |
449 | } | |
450 | ||
451 | /** | |
452 | * tomoyo_socket_connect - Check permission for connect(). | |
453 | * | |
454 | * @sock: Pointer to "struct socket". | |
455 | * @addr: Pointer to "struct sockaddr". | |
456 | * @addr_len: Size of @addr. | |
457 | * | |
458 | * Returns 0 on success, negative value otherwise. | |
459 | */ | |
460 | static int tomoyo_socket_connect(struct socket *sock, struct sockaddr *addr, | |
461 | int addr_len) | |
462 | { | |
463 | return tomoyo_socket_connect_permission(sock, addr, addr_len); | |
464 | } | |
465 | ||
466 | /** | |
467 | * tomoyo_socket_bind - Check permission for bind(). | |
468 | * | |
469 | * @sock: Pointer to "struct socket". | |
470 | * @addr: Pointer to "struct sockaddr". | |
471 | * @addr_len: Size of @addr. | |
472 | * | |
473 | * Returns 0 on success, negative value otherwise. | |
474 | */ | |
475 | static int tomoyo_socket_bind(struct socket *sock, struct sockaddr *addr, | |
476 | int addr_len) | |
477 | { | |
478 | return tomoyo_socket_bind_permission(sock, addr, addr_len); | |
479 | } | |
480 | ||
481 | /** | |
482 | * tomoyo_socket_sendmsg - Check permission for sendmsg(). | |
483 | * | |
484 | * @sock: Pointer to "struct socket". | |
485 | * @msg: Pointer to "struct msghdr". | |
486 | * @size: Size of message. | |
487 | * | |
488 | * Returns 0 on success, negative value otherwise. | |
489 | */ | |
490 | static int tomoyo_socket_sendmsg(struct socket *sock, struct msghdr *msg, | |
491 | int size) | |
492 | { | |
493 | return tomoyo_socket_sendmsg_permission(sock, msg, size); | |
494 | } | |
495 | ||
c3fa109a TH |
496 | /* |
497 | * tomoyo_security_ops is a "struct security_operations" which is used for | |
498 | * registering TOMOYO. | |
499 | */ | |
ca97d939 | 500 | static struct security_hook_list tomoyo_hooks[] __lsm_ro_after_init = { |
e20b043a CS |
501 | LSM_HOOK_INIT(cred_alloc_blank, tomoyo_cred_alloc_blank), |
502 | LSM_HOOK_INIT(cred_prepare, tomoyo_cred_prepare), | |
503 | LSM_HOOK_INIT(cred_transfer, tomoyo_cred_transfer), | |
504 | LSM_HOOK_INIT(cred_free, tomoyo_cred_free), | |
505 | LSM_HOOK_INIT(bprm_set_creds, tomoyo_bprm_set_creds), | |
506 | LSM_HOOK_INIT(bprm_check_security, tomoyo_bprm_check_security), | |
507 | LSM_HOOK_INIT(file_fcntl, tomoyo_file_fcntl), | |
508 | LSM_HOOK_INIT(file_open, tomoyo_file_open), | |
509 | LSM_HOOK_INIT(path_truncate, tomoyo_path_truncate), | |
510 | LSM_HOOK_INIT(path_unlink, tomoyo_path_unlink), | |
511 | LSM_HOOK_INIT(path_mkdir, tomoyo_path_mkdir), | |
512 | LSM_HOOK_INIT(path_rmdir, tomoyo_path_rmdir), | |
513 | LSM_HOOK_INIT(path_symlink, tomoyo_path_symlink), | |
514 | LSM_HOOK_INIT(path_mknod, tomoyo_path_mknod), | |
515 | LSM_HOOK_INIT(path_link, tomoyo_path_link), | |
516 | LSM_HOOK_INIT(path_rename, tomoyo_path_rename), | |
517 | LSM_HOOK_INIT(inode_getattr, tomoyo_inode_getattr), | |
518 | LSM_HOOK_INIT(file_ioctl, tomoyo_file_ioctl), | |
519 | LSM_HOOK_INIT(path_chmod, tomoyo_path_chmod), | |
520 | LSM_HOOK_INIT(path_chown, tomoyo_path_chown), | |
521 | LSM_HOOK_INIT(path_chroot, tomoyo_path_chroot), | |
522 | LSM_HOOK_INIT(sb_mount, tomoyo_sb_mount), | |
523 | LSM_HOOK_INIT(sb_umount, tomoyo_sb_umount), | |
524 | LSM_HOOK_INIT(sb_pivotroot, tomoyo_sb_pivotroot), | |
525 | LSM_HOOK_INIT(socket_bind, tomoyo_socket_bind), | |
526 | LSM_HOOK_INIT(socket_connect, tomoyo_socket_connect), | |
527 | LSM_HOOK_INIT(socket_listen, tomoyo_socket_listen), | |
528 | LSM_HOOK_INIT(socket_sendmsg, tomoyo_socket_sendmsg), | |
f7433243 KT |
529 | }; |
530 | ||
fdb8ebb7 | 531 | /* Lock for GC. */ |
505f14f7 | 532 | DEFINE_SRCU(tomoyo_ss); |
fdb8ebb7 | 533 | |
0f2a55d5 TH |
534 | /** |
535 | * tomoyo_init - Register TOMOYO Linux as a LSM module. | |
536 | * | |
537 | * Returns 0. | |
538 | */ | |
f7433243 KT |
539 | static int __init tomoyo_init(void) |
540 | { | |
541 | struct cred *cred = (struct cred *) current_cred(); | |
542 | ||
b1d9e6b0 | 543 | if (!security_module_enable("tomoyo")) |
f7433243 KT |
544 | return 0; |
545 | /* register ourselves with the security framework */ | |
d69dece5 | 546 | security_add_hooks(tomoyo_hooks, ARRAY_SIZE(tomoyo_hooks), "tomoyo"); |
f7433243 KT |
547 | printk(KERN_INFO "TOMOYO Linux initialized\n"); |
548 | cred->security = &tomoyo_kernel_domain; | |
c3ef1500 | 549 | tomoyo_mm_init(); |
f7433243 KT |
550 | return 0; |
551 | } | |
552 | ||
553 | security_initcall(tomoyo_init); |