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11a03f78 PM |
1 | /* |
2 | * NetLabel System | |
3 | * | |
4 | * The NetLabel system manages static and dynamic label mappings for network | |
5 | * protocols such as CIPSO and RIPSO. | |
6 | * | |
7 | * Author: Paul Moore <paul.moore@hp.com> | |
8 | * | |
9 | */ | |
10 | ||
11 | /* | |
63c41688 | 12 | * (c) Copyright Hewlett-Packard Development Company, L.P., 2006, 2008 |
11a03f78 PM |
13 | * |
14 | * This program is free software; you can redistribute it and/or modify | |
15 | * it under the terms of the GNU General Public License as published by | |
16 | * the Free Software Foundation; either version 2 of the License, or | |
17 | * (at your option) any later version. | |
18 | * | |
19 | * This program is distributed in the hope that it will be useful, | |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
22 | * the GNU General Public License for more details. | |
23 | * | |
24 | * You should have received a copy of the GNU General Public License | |
25 | * along with this program; if not, write to the Free Software | |
26 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
27 | * | |
28 | */ | |
29 | ||
30 | #ifndef _NETLABEL_H | |
31 | #define _NETLABEL_H | |
32 | ||
33 | #include <linux/types.h> | |
7a0e1d60 | 34 | #include <linux/net.h> |
11a03f78 | 35 | #include <linux/skbuff.h> |
6c2e8ac0 PM |
36 | #include <linux/in.h> |
37 | #include <linux/in6.h> | |
11a03f78 | 38 | #include <net/netlink.h> |
ffb733c6 | 39 | #include <asm/atomic.h> |
11a03f78 | 40 | |
eda61d32 PM |
41 | struct cipso_v4_doi; |
42 | ||
11a03f78 PM |
43 | /* |
44 | * NetLabel - A management interface for maintaining network packet label | |
45 | * mapping tables for explicit packet labling protocols. | |
46 | * | |
47 | * Network protocols such as CIPSO and RIPSO require a label translation layer | |
48 | * to convert the label on the packet into something meaningful on the host | |
49 | * machine. In the current Linux implementation these mapping tables live | |
50 | * inside the kernel; NetLabel provides a mechanism for user space applications | |
51 | * to manage these mapping tables. | |
52 | * | |
53 | * NetLabel makes use of the Generic NETLINK mechanism as a transport layer to | |
54 | * send messages between kernel and user space. The general format of a | |
55 | * NetLabel message is shown below: | |
56 | * | |
57 | * +-----------------+-------------------+--------- --- -- - | |
58 | * | struct nlmsghdr | struct genlmsghdr | payload | |
59 | * +-----------------+-------------------+--------- --- -- - | |
60 | * | |
61 | * The 'nlmsghdr' and 'genlmsghdr' structs should be dealt with like normal. | |
62 | * The payload is dependent on the subsystem specified in the | |
63 | * 'nlmsghdr->nlmsg_type' and should be defined below, supporting functions | |
64 | * should be defined in the corresponding net/netlabel/netlabel_<subsys>.h|c | |
fcd48280 PM |
65 | * file. All of the fields in the NetLabel payload are NETLINK attributes, see |
66 | * the include/net/netlink.h file for more information on NETLINK attributes. | |
11a03f78 PM |
67 | * |
68 | */ | |
69 | ||
70 | /* | |
71 | * NetLabel NETLINK protocol | |
72 | */ | |
73 | ||
8cc44579 PM |
74 | /* NetLabel NETLINK protocol version |
75 | * 1: initial version | |
76 | * 2: added static labels for unlabeled connections | |
d91d4079 PM |
77 | * 3: network selectors added to the NetLabel/LSM domain mapping and the |
78 | * CIPSO_V4_MAP_LOCAL CIPSO mapping was added | |
8cc44579 | 79 | */ |
63c41688 | 80 | #define NETLBL_PROTO_VERSION 3 |
11a03f78 PM |
81 | |
82 | /* NetLabel NETLINK types/families */ | |
83 | #define NETLBL_NLTYPE_NONE 0 | |
84 | #define NETLBL_NLTYPE_MGMT 1 | |
85 | #define NETLBL_NLTYPE_MGMT_NAME "NLBL_MGMT" | |
86 | #define NETLBL_NLTYPE_RIPSO 2 | |
87 | #define NETLBL_NLTYPE_RIPSO_NAME "NLBL_RIPSO" | |
88 | #define NETLBL_NLTYPE_CIPSOV4 3 | |
89 | #define NETLBL_NLTYPE_CIPSOV4_NAME "NLBL_CIPSOv4" | |
90 | #define NETLBL_NLTYPE_CIPSOV6 4 | |
91 | #define NETLBL_NLTYPE_CIPSOV6_NAME "NLBL_CIPSOv6" | |
92 | #define NETLBL_NLTYPE_UNLABELED 5 | |
93 | #define NETLBL_NLTYPE_UNLABELED_NAME "NLBL_UNLBL" | |
63c41688 PM |
94 | #define NETLBL_NLTYPE_ADDRSELECT 6 |
95 | #define NETLBL_NLTYPE_ADDRSELECT_NAME "NLBL_ADRSEL" | |
11a03f78 | 96 | |
11a03f78 PM |
97 | /* |
98 | * NetLabel - Kernel API for accessing the network packet label mappings. | |
99 | * | |
100 | * The following functions are provided for use by other kernel modules, | |
101 | * specifically kernel LSM modules, to provide a consistent, transparent API | |
102 | * for dealing with explicit packet labeling protocols such as CIPSO and | |
103 | * RIPSO. The functions defined here are implemented in the | |
104 | * net/netlabel/netlabel_kapi.c file. | |
105 | * | |
106 | */ | |
107 | ||
95d4e6be PM |
108 | /* NetLabel audit information */ |
109 | struct netlbl_audit { | |
110 | u32 secid; | |
111 | uid_t loginuid; | |
2532386f | 112 | u32 sessionid; |
95d4e6be PM |
113 | }; |
114 | ||
16efd454 PM |
115 | /* |
116 | * LSM security attributes | |
117 | */ | |
118 | ||
119 | /** | |
120 | * struct netlbl_lsm_cache - NetLabel LSM security attribute cache | |
121 | * @refcount: atomic reference counter | |
122 | * @free: LSM supplied function to free the cache data | |
123 | * @data: LSM supplied cache data | |
124 | * | |
125 | * Description: | |
126 | * This structure is provided for LSMs which wish to make use of the NetLabel | |
127 | * caching mechanism to store LSM specific data/attributes in the NetLabel | |
128 | * cache. If the LSM has to perform a lot of translation from the NetLabel | |
129 | * security attributes into it's own internal representation then the cache | |
130 | * mechanism can provide a way to eliminate some or all of that translation | |
131 | * overhead on a cache hit. | |
132 | * | |
133 | */ | |
11a03f78 | 134 | struct netlbl_lsm_cache { |
ffb733c6 | 135 | atomic_t refcount; |
11a03f78 PM |
136 | void (*free) (const void *data); |
137 | void *data; | |
138 | }; | |
16efd454 PM |
139 | |
140 | /** | |
141 | * struct netlbl_lsm_secattr_catmap - NetLabel LSM secattr category bitmap | |
142 | * @startbit: the value of the lowest order bit in the bitmap | |
143 | * @bitmap: the category bitmap | |
144 | * @next: pointer to the next bitmap "node" or NULL | |
145 | * | |
146 | * Description: | |
147 | * This structure is used to represent category bitmaps. Due to the large | |
148 | * number of categories supported by most labeling protocols it is not | |
149 | * practical to transfer a full bitmap internally so NetLabel adopts a sparse | |
150 | * bitmap structure modeled after SELinux's ebitmap structure. | |
151 | * The catmap bitmap field MUST be a power of two in length and large | |
02752760 PM |
152 | * enough to hold at least 240 bits. Special care (i.e. check the code!) |
153 | * should be used when changing these values as the LSM implementation | |
154 | * probably has functions which rely on the sizes of these types to speed | |
16efd454 PM |
155 | * processing. |
156 | * | |
157 | */ | |
02752760 PM |
158 | #define NETLBL_CATMAP_MAPTYPE u64 |
159 | #define NETLBL_CATMAP_MAPCNT 4 | |
160 | #define NETLBL_CATMAP_MAPSIZE (sizeof(NETLBL_CATMAP_MAPTYPE) * 8) | |
161 | #define NETLBL_CATMAP_SIZE (NETLBL_CATMAP_MAPSIZE * \ | |
162 | NETLBL_CATMAP_MAPCNT) | |
163 | #define NETLBL_CATMAP_BIT (NETLBL_CATMAP_MAPTYPE)0x01 | |
164 | struct netlbl_lsm_secattr_catmap { | |
165 | u32 startbit; | |
166 | NETLBL_CATMAP_MAPTYPE bitmap[NETLBL_CATMAP_MAPCNT]; | |
167 | struct netlbl_lsm_secattr_catmap *next; | |
168 | }; | |
16efd454 PM |
169 | |
170 | /** | |
171 | * struct netlbl_lsm_secattr - NetLabel LSM security attributes | |
00447872 | 172 | * @flags: indicate structure attributes, see NETLBL_SECATTR_* |
16efd454 PM |
173 | * @type: indicate the NLTYPE of the attributes |
174 | * @domain: the NetLabel LSM domain | |
175 | * @cache: NetLabel LSM specific cache | |
176 | * @attr.mls: MLS sensitivity label | |
177 | * @attr.mls.cat: MLS category bitmap | |
178 | * @attr.mls.lvl: MLS sensitivity level | |
179 | * @attr.secid: LSM specific secid token | |
180 | * | |
181 | * Description: | |
182 | * This structure is used to pass security attributes between NetLabel and the | |
183 | * LSM modules. The flags field is used to specify which fields within the | |
184 | * struct are valid and valid values can be created by bitwise OR'ing the | |
185 | * NETLBL_SECATTR_* defines. The domain field is typically set by the LSM to | |
186 | * specify domain specific configuration settings and is not usually used by | |
187 | * NetLabel itself when returning security attributes to the LSM. | |
188 | * | |
189 | */ | |
00447872 PM |
190 | struct netlbl_lsm_secattr { |
191 | u32 flags; | |
192 | /* bitmap values for 'flags' */ | |
701a90ba PM |
193 | #define NETLBL_SECATTR_NONE 0x00000000 |
194 | #define NETLBL_SECATTR_DOMAIN 0x00000001 | |
00447872 PM |
195 | #define NETLBL_SECATTR_DOMAIN_CPY (NETLBL_SECATTR_DOMAIN | \ |
196 | NETLBL_SECATTR_FREE_DOMAIN) | |
701a90ba PM |
197 | #define NETLBL_SECATTR_CACHE 0x00000002 |
198 | #define NETLBL_SECATTR_MLS_LVL 0x00000004 | |
199 | #define NETLBL_SECATTR_MLS_CAT 0x00000008 | |
16efd454 | 200 | #define NETLBL_SECATTR_SECID 0x00000010 |
00447872 PM |
201 | /* bitmap meta-values for 'flags' */ |
202 | #define NETLBL_SECATTR_FREE_DOMAIN 0x01000000 | |
9534f71c | 203 | #define NETLBL_SECATTR_CACHEABLE (NETLBL_SECATTR_MLS_LVL | \ |
16efd454 PM |
204 | NETLBL_SECATTR_MLS_CAT | \ |
205 | NETLBL_SECATTR_SECID) | |
16efd454 | 206 | u32 type; |
11a03f78 | 207 | char *domain; |
ffb733c6 | 208 | struct netlbl_lsm_cache *cache; |
8d75899d | 209 | struct { |
16efd454 PM |
210 | struct { |
211 | struct netlbl_lsm_secattr_catmap *cat; | |
212 | u32 lvl; | |
213 | } mls; | |
214 | u32 secid; | |
215 | } attr; | |
11a03f78 PM |
216 | }; |
217 | ||
218 | /* | |
23bcdc1a | 219 | * LSM security attribute operations (inline) |
11a03f78 PM |
220 | */ |
221 | ||
ffb733c6 | 222 | /** |
223 | * netlbl_secattr_cache_alloc - Allocate and initialize a secattr cache | |
224 | * @flags: the memory allocation flags | |
225 | * | |
226 | * Description: | |
227 | * Allocate and initialize a netlbl_lsm_cache structure. Returns a pointer | |
228 | * on success, NULL on failure. | |
229 | * | |
230 | */ | |
645408d1 | 231 | static inline struct netlbl_lsm_cache *netlbl_secattr_cache_alloc(gfp_t flags) |
ffb733c6 | 232 | { |
233 | struct netlbl_lsm_cache *cache; | |
234 | ||
235 | cache = kzalloc(sizeof(*cache), flags); | |
236 | if (cache) | |
237 | atomic_set(&cache->refcount, 1); | |
238 | return cache; | |
239 | } | |
240 | ||
241 | /** | |
242 | * netlbl_secattr_cache_free - Frees a netlbl_lsm_cache struct | |
243 | * @cache: the struct to free | |
244 | * | |
245 | * Description: | |
246 | * Frees @secattr including all of the internal buffers. | |
247 | * | |
248 | */ | |
249 | static inline void netlbl_secattr_cache_free(struct netlbl_lsm_cache *cache) | |
250 | { | |
251 | if (!atomic_dec_and_test(&cache->refcount)) | |
252 | return; | |
253 | ||
254 | if (cache->free) | |
255 | cache->free(cache->data); | |
256 | kfree(cache); | |
257 | } | |
258 | ||
02752760 PM |
259 | /** |
260 | * netlbl_secattr_catmap_alloc - Allocate a LSM secattr catmap | |
261 | * @flags: memory allocation flags | |
262 | * | |
263 | * Description: | |
264 | * Allocate memory for a LSM secattr catmap, returns a pointer on success, NULL | |
265 | * on failure. | |
266 | * | |
267 | */ | |
268 | static inline struct netlbl_lsm_secattr_catmap *netlbl_secattr_catmap_alloc( | |
269 | gfp_t flags) | |
270 | { | |
271 | return kzalloc(sizeof(struct netlbl_lsm_secattr_catmap), flags); | |
272 | } | |
273 | ||
274 | /** | |
275 | * netlbl_secattr_catmap_free - Free a LSM secattr catmap | |
276 | * @catmap: the category bitmap | |
277 | * | |
278 | * Description: | |
279 | * Free a LSM secattr catmap. | |
280 | * | |
281 | */ | |
282 | static inline void netlbl_secattr_catmap_free( | |
283 | struct netlbl_lsm_secattr_catmap *catmap) | |
284 | { | |
285 | struct netlbl_lsm_secattr_catmap *iter; | |
286 | ||
287 | do { | |
288 | iter = catmap; | |
289 | catmap = catmap->next; | |
290 | kfree(iter); | |
291 | } while (catmap); | |
292 | } | |
293 | ||
11a03f78 PM |
294 | /** |
295 | * netlbl_secattr_init - Initialize a netlbl_lsm_secattr struct | |
296 | * @secattr: the struct to initialize | |
297 | * | |
298 | * Description: | |
c6fa82a9 | 299 | * Initialize an already allocated netlbl_lsm_secattr struct. |
11a03f78 PM |
300 | * |
301 | */ | |
c6fa82a9 | 302 | static inline void netlbl_secattr_init(struct netlbl_lsm_secattr *secattr) |
11a03f78 | 303 | { |
16efd454 | 304 | memset(secattr, 0, sizeof(*secattr)); |
11a03f78 PM |
305 | } |
306 | ||
307 | /** | |
308 | * netlbl_secattr_destroy - Clears a netlbl_lsm_secattr struct | |
309 | * @secattr: the struct to clear | |
11a03f78 PM |
310 | * |
311 | * Description: | |
312 | * Destroys the @secattr struct, including freeing all of the internal buffers. | |
ffb733c6 | 313 | * The struct must be reset with a call to netlbl_secattr_init() before reuse. |
11a03f78 PM |
314 | * |
315 | */ | |
ffb733c6 | 316 | static inline void netlbl_secattr_destroy(struct netlbl_lsm_secattr *secattr) |
11a03f78 | 317 | { |
00447872 PM |
318 | if (secattr->flags & NETLBL_SECATTR_FREE_DOMAIN) |
319 | kfree(secattr->domain); | |
16efd454 PM |
320 | if (secattr->flags & NETLBL_SECATTR_CACHE) |
321 | netlbl_secattr_cache_free(secattr->cache); | |
322 | if (secattr->flags & NETLBL_SECATTR_MLS_CAT) | |
323 | netlbl_secattr_catmap_free(secattr->attr.mls.cat); | |
11a03f78 PM |
324 | } |
325 | ||
326 | /** | |
327 | * netlbl_secattr_alloc - Allocate and initialize a netlbl_lsm_secattr struct | |
328 | * @flags: the memory allocation flags | |
329 | * | |
330 | * Description: | |
331 | * Allocate and initialize a netlbl_lsm_secattr struct. Returns a valid | |
332 | * pointer on success, or NULL on failure. | |
333 | * | |
334 | */ | |
1f758d93 | 335 | static inline struct netlbl_lsm_secattr *netlbl_secattr_alloc(gfp_t flags) |
11a03f78 PM |
336 | { |
337 | return kzalloc(sizeof(struct netlbl_lsm_secattr), flags); | |
338 | } | |
339 | ||
340 | /** | |
341 | * netlbl_secattr_free - Frees a netlbl_lsm_secattr struct | |
342 | * @secattr: the struct to free | |
11a03f78 PM |
343 | * |
344 | * Description: | |
ffb733c6 | 345 | * Frees @secattr including all of the internal buffers. |
11a03f78 PM |
346 | * |
347 | */ | |
ffb733c6 | 348 | static inline void netlbl_secattr_free(struct netlbl_lsm_secattr *secattr) |
11a03f78 | 349 | { |
ffb733c6 | 350 | netlbl_secattr_destroy(secattr); |
11a03f78 PM |
351 | kfree(secattr); |
352 | } | |
353 | ||
02752760 | 354 | #ifdef CONFIG_NETLABEL |
eda61d32 PM |
355 | /* |
356 | * LSM configuration operations | |
357 | */ | |
6c2e8ac0 PM |
358 | int netlbl_cfg_map_del(const char *domain, |
359 | u16 family, | |
360 | const void *addr, | |
361 | const void *mask, | |
362 | struct netlbl_audit *audit_info); | |
363 | int netlbl_cfg_unlbl_map_add(const char *domain, | |
364 | u16 family, | |
365 | const void *addr, | |
366 | const void *mask, | |
eda61d32 | 367 | struct netlbl_audit *audit_info); |
6c2e8ac0 PM |
368 | int netlbl_cfg_unlbl_static_add(struct net *net, |
369 | const char *dev_name, | |
370 | const void *addr, | |
371 | const void *mask, | |
372 | u16 family, | |
373 | u32 secid, | |
374 | struct netlbl_audit *audit_info); | |
375 | int netlbl_cfg_unlbl_static_del(struct net *net, | |
376 | const char *dev_name, | |
377 | const void *addr, | |
378 | const void *mask, | |
379 | u16 family, | |
380 | struct netlbl_audit *audit_info); | |
381 | int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def, | |
382 | struct netlbl_audit *audit_info); | |
383 | void netlbl_cfg_cipsov4_del(u32 doi, struct netlbl_audit *audit_info); | |
384 | int netlbl_cfg_cipsov4_map_add(u32 doi, | |
eda61d32 | 385 | const char *domain, |
6c2e8ac0 PM |
386 | const struct in_addr *addr, |
387 | const struct in_addr *mask, | |
eda61d32 | 388 | struct netlbl_audit *audit_info); |
23bcdc1a PM |
389 | /* |
390 | * LSM security attribute operations | |
391 | */ | |
02752760 PM |
392 | int netlbl_secattr_catmap_walk(struct netlbl_lsm_secattr_catmap *catmap, |
393 | u32 offset); | |
394 | int netlbl_secattr_catmap_walk_rng(struct netlbl_lsm_secattr_catmap *catmap, | |
395 | u32 offset); | |
396 | int netlbl_secattr_catmap_setbit(struct netlbl_lsm_secattr_catmap *catmap, | |
397 | u32 bit, | |
398 | gfp_t flags); | |
399 | int netlbl_secattr_catmap_setrng(struct netlbl_lsm_secattr_catmap *catmap, | |
400 | u32 start, | |
401 | u32 end, | |
402 | gfp_t flags); | |
23bcdc1a PM |
403 | |
404 | /* | |
16efd454 | 405 | * LSM protocol operations (NetLabel LSM/kernel API) |
23bcdc1a PM |
406 | */ |
407 | int netlbl_enabled(void); | |
408 | int netlbl_sock_setattr(struct sock *sk, | |
409 | const struct netlbl_lsm_secattr *secattr); | |
014ab19a | 410 | void netlbl_sock_delattr(struct sock *sk); |
23bcdc1a PM |
411 | int netlbl_sock_getattr(struct sock *sk, |
412 | struct netlbl_lsm_secattr *secattr); | |
014ab19a PM |
413 | int netlbl_conn_setattr(struct sock *sk, |
414 | struct sockaddr *addr, | |
415 | const struct netlbl_lsm_secattr *secattr); | |
948bf85c PM |
416 | int netlbl_skbuff_setattr(struct sk_buff *skb, |
417 | u16 family, | |
418 | const struct netlbl_lsm_secattr *secattr); | |
23bcdc1a | 419 | int netlbl_skbuff_getattr(const struct sk_buff *skb, |
75e22910 | 420 | u16 family, |
23bcdc1a | 421 | struct netlbl_lsm_secattr *secattr); |
dfaebe98 | 422 | void netlbl_skbuff_err(struct sk_buff *skb, int error, int gateway); |
23bcdc1a PM |
423 | |
424 | /* | |
425 | * LSM label mapping cache operations | |
426 | */ | |
427 | void netlbl_cache_invalidate(void); | |
428 | int netlbl_cache_add(const struct sk_buff *skb, | |
429 | const struct netlbl_lsm_secattr *secattr); | |
6c2e8ac0 PM |
430 | |
431 | /* | |
432 | * Protocol engine operations | |
433 | */ | |
434 | struct audit_buffer *netlbl_audit_start(int type, | |
435 | struct netlbl_audit *audit_info); | |
02752760 | 436 | #else |
eda61d32 | 437 | static inline int netlbl_cfg_map_del(const char *domain, |
6c2e8ac0 PM |
438 | u16 family, |
439 | const void *addr, | |
440 | const void *mask, | |
eda61d32 PM |
441 | struct netlbl_audit *audit_info) |
442 | { | |
443 | return -ENOSYS; | |
444 | } | |
6c2e8ac0 PM |
445 | static inline int netlbl_cfg_unlbl_map_add(const char *domain, |
446 | u16 family, | |
447 | void *addr, | |
448 | void *mask, | |
eda61d32 PM |
449 | struct netlbl_audit *audit_info) |
450 | { | |
451 | return -ENOSYS; | |
452 | } | |
6c2e8ac0 PM |
453 | static inline int netlbl_cfg_unlbl_static_add(struct net *net, |
454 | const char *dev_name, | |
455 | const void *addr, | |
456 | const void *mask, | |
457 | u16 family, | |
458 | u32 secid, | |
459 | struct netlbl_audit *audit_info) | |
460 | { | |
461 | return -ENOSYS; | |
462 | } | |
463 | static inline int netlbl_cfg_unlbl_static_del(struct net *net, | |
464 | const char *dev_name, | |
465 | const void *addr, | |
466 | const void *mask, | |
467 | u16 family, | |
468 | struct netlbl_audit *audit_info) | |
469 | { | |
470 | return -ENOSYS; | |
471 | } | |
472 | static inline int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def, | |
473 | struct netlbl_audit *audit_info) | |
474 | { | |
475 | return -ENOSYS; | |
476 | } | |
477 | static inline void netlbl_cfg_cipsov4_del(u32 doi, | |
478 | struct netlbl_audit *audit_info) | |
479 | { | |
480 | return; | |
481 | } | |
482 | static inline int netlbl_cfg_cipsov4_map_add(u32 doi, | |
eda61d32 | 483 | const char *domain, |
6c2e8ac0 PM |
484 | const struct in_addr *addr, |
485 | const struct in_addr *mask, | |
eda61d32 PM |
486 | struct netlbl_audit *audit_info) |
487 | { | |
488 | return -ENOSYS; | |
489 | } | |
02752760 PM |
490 | static inline int netlbl_secattr_catmap_walk( |
491 | struct netlbl_lsm_secattr_catmap *catmap, | |
492 | u32 offset) | |
493 | { | |
494 | return -ENOENT; | |
495 | } | |
02752760 PM |
496 | static inline int netlbl_secattr_catmap_walk_rng( |
497 | struct netlbl_lsm_secattr_catmap *catmap, | |
498 | u32 offset) | |
499 | { | |
500 | return -ENOENT; | |
501 | } | |
02752760 PM |
502 | static inline int netlbl_secattr_catmap_setbit( |
503 | struct netlbl_lsm_secattr_catmap *catmap, | |
504 | u32 bit, | |
505 | gfp_t flags) | |
506 | { | |
507 | return 0; | |
508 | } | |
02752760 PM |
509 | static inline int netlbl_secattr_catmap_setrng( |
510 | struct netlbl_lsm_secattr_catmap *catmap, | |
511 | u32 start, | |
512 | u32 end, | |
513 | gfp_t flags) | |
514 | { | |
515 | return 0; | |
516 | } | |
23bcdc1a PM |
517 | static inline int netlbl_enabled(void) |
518 | { | |
519 | return 0; | |
520 | } | |
ba6ff9f2 | 521 | static inline int netlbl_sock_setattr(struct sock *sk, |
11a03f78 PM |
522 | const struct netlbl_lsm_secattr *secattr) |
523 | { | |
524 | return -ENOSYS; | |
525 | } | |
014ab19a PM |
526 | static inline void netlbl_sock_delattr(struct sock *sk) |
527 | { | |
528 | } | |
14a72f53 PM |
529 | static inline int netlbl_sock_getattr(struct sock *sk, |
530 | struct netlbl_lsm_secattr *secattr) | |
531 | { | |
532 | return -ENOSYS; | |
533 | } | |
014ab19a PM |
534 | static inline int netlbl_conn_setattr(struct sock *sk, |
535 | struct sockaddr *addr, | |
536 | const struct netlbl_lsm_secattr *secattr) | |
537 | { | |
538 | return -ENOSYS; | |
539 | } | |
948bf85c PM |
540 | static inline int netlbl_skbuff_setattr(struct sk_buff *skb, |
541 | u16 family, | |
542 | const struct netlbl_lsm_secattr *secattr) | |
543 | { | |
544 | return -ENOSYS; | |
545 | } | |
11a03f78 | 546 | static inline int netlbl_skbuff_getattr(const struct sk_buff *skb, |
75e22910 | 547 | u16 family, |
11a03f78 PM |
548 | struct netlbl_lsm_secattr *secattr) |
549 | { | |
550 | return -ENOSYS; | |
551 | } | |
dfaebe98 PM |
552 | static inline void netlbl_skbuff_err(struct sk_buff *skb, |
553 | int error, | |
554 | int gateway) | |
11a03f78 PM |
555 | { |
556 | return; | |
557 | } | |
11a03f78 PM |
558 | static inline void netlbl_cache_invalidate(void) |
559 | { | |
560 | return; | |
561 | } | |
11a03f78 PM |
562 | static inline int netlbl_cache_add(const struct sk_buff *skb, |
563 | const struct netlbl_lsm_secattr *secattr) | |
564 | { | |
565 | return 0; | |
566 | } | |
6c2e8ac0 PM |
567 | static inline struct audit_buffer *netlbl_audit_start(int type, |
568 | struct netlbl_audit *audit_info) | |
569 | { | |
570 | return NULL; | |
571 | } | |
11a03f78 PM |
572 | #endif /* CONFIG_NETLABEL */ |
573 | ||
574 | #endif /* _NETLABEL_H */ |