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1 | /* |
2 | * NetLabel Management Support | |
3 | * | |
4 | * This file defines the management functions for the NetLabel system. The | |
5 | * NetLabel system manages static and dynamic label mappings for network | |
6 | * protocols such as CIPSO and RIPSO. | |
7 | * | |
8 | * Author: Paul Moore <paul.moore@hp.com> | |
9 | * | |
10 | */ | |
11 | ||
12 | /* | |
13 | * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 | |
14 | * | |
15 | * This program is free software; you can redistribute it and/or modify | |
16 | * it under the terms of the GNU General Public License as published by | |
17 | * the Free Software Foundation; either version 2 of the License, or | |
18 | * (at your option) any later version. | |
19 | * | |
20 | * This program is distributed in the hope that it will be useful, | |
21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
23 | * the GNU General Public License for more details. | |
24 | * | |
25 | * You should have received a copy of the GNU General Public License | |
26 | * along with this program; if not, write to the Free Software | |
27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
28 | * | |
29 | */ | |
30 | ||
31 | #include <linux/types.h> | |
32 | #include <linux/socket.h> | |
33 | #include <linux/string.h> | |
34 | #include <linux/skbuff.h> | |
35 | #include <net/sock.h> | |
36 | #include <net/netlink.h> | |
37 | #include <net/genetlink.h> | |
38 | #include <net/netlabel.h> | |
39 | #include <net/cipso_ipv4.h> | |
40 | ||
41 | #include "netlabel_domainhash.h" | |
42 | #include "netlabel_user.h" | |
43 | #include "netlabel_mgmt.h" | |
44 | ||
45 | /* NetLabel Generic NETLINK CIPSOv4 family */ | |
46 | static struct genl_family netlbl_mgmt_gnl_family = { | |
47 | .id = GENL_ID_GENERATE, | |
48 | .hdrsize = 0, | |
49 | .name = NETLBL_NLTYPE_MGMT_NAME, | |
50 | .version = NETLBL_PROTO_VERSION, | |
51 | .maxattr = 0, | |
52 | }; | |
53 | ||
54 | ||
55 | /* | |
56 | * NetLabel Command Handlers | |
57 | */ | |
58 | ||
59 | /** | |
60 | * netlbl_mgmt_add - Handle an ADD message | |
61 | * @skb: the NETLINK buffer | |
62 | * @info: the Generic NETLINK info block | |
63 | * | |
64 | * Description: | |
65 | * Process a user generated ADD message and add the domains from the message | |
66 | * to the hash table. See netlabel.h for a description of the message format. | |
67 | * Returns zero on success, negative values on failure. | |
68 | * | |
69 | */ | |
70 | static int netlbl_mgmt_add(struct sk_buff *skb, struct genl_info *info) | |
71 | { | |
72 | int ret_val = -EINVAL; | |
73 | struct nlattr *msg_ptr = netlbl_netlink_payload_data(skb); | |
74 | int msg_len = netlbl_netlink_payload_len(skb); | |
75 | u32 count; | |
76 | struct netlbl_dom_map *entry = NULL; | |
77 | u32 iter; | |
78 | u32 tmp_val; | |
79 | int tmp_size; | |
80 | ||
81 | ret_val = netlbl_netlink_cap_check(skb, CAP_NET_ADMIN); | |
82 | if (ret_val != 0) | |
83 | goto add_failure; | |
84 | ||
85 | if (msg_len < NETLBL_LEN_U32) | |
86 | goto add_failure; | |
87 | count = netlbl_getinc_u32(&msg_ptr, &msg_len); | |
88 | ||
89 | for (iter = 0; iter < count && msg_len > 0; iter++, entry = NULL) { | |
90 | if (msg_len <= 0) { | |
91 | ret_val = -EINVAL; | |
92 | goto add_failure; | |
93 | } | |
94 | entry = kzalloc(sizeof(*entry), GFP_KERNEL); | |
95 | if (entry == NULL) { | |
96 | ret_val = -ENOMEM; | |
97 | goto add_failure; | |
98 | } | |
99 | tmp_size = nla_len(msg_ptr); | |
100 | if (tmp_size <= 0 || tmp_size > msg_len) { | |
101 | ret_val = -EINVAL; | |
102 | goto add_failure; | |
103 | } | |
104 | entry->domain = kmalloc(tmp_size, GFP_KERNEL); | |
105 | if (entry->domain == NULL) { | |
106 | ret_val = -ENOMEM; | |
107 | goto add_failure; | |
108 | } | |
109 | nla_strlcpy(entry->domain, msg_ptr, tmp_size); | |
110 | entry->domain[tmp_size - 1] = '\0'; | |
111 | msg_ptr = nla_next(msg_ptr, &msg_len); | |
112 | ||
113 | if (msg_len < NETLBL_LEN_U32) { | |
114 | ret_val = -EINVAL; | |
115 | goto add_failure; | |
116 | } | |
117 | tmp_val = netlbl_getinc_u32(&msg_ptr, &msg_len); | |
118 | entry->type = tmp_val; | |
119 | switch (tmp_val) { | |
120 | case NETLBL_NLTYPE_UNLABELED: | |
121 | ret_val = netlbl_domhsh_add(entry); | |
122 | break; | |
123 | case NETLBL_NLTYPE_CIPSOV4: | |
124 | if (msg_len < NETLBL_LEN_U32) { | |
125 | ret_val = -EINVAL; | |
126 | goto add_failure; | |
127 | } | |
128 | tmp_val = netlbl_getinc_u32(&msg_ptr, &msg_len); | |
129 | /* We should be holding a rcu_read_lock() here | |
130 | * while we hold the result but since the entry | |
131 | * will always be deleted when the CIPSO DOI | |
132 | * is deleted we aren't going to keep the lock. */ | |
133 | rcu_read_lock(); | |
134 | entry->type_def.cipsov4 = cipso_v4_doi_getdef(tmp_val); | |
135 | if (entry->type_def.cipsov4 == NULL) { | |
136 | rcu_read_unlock(); | |
137 | ret_val = -EINVAL; | |
138 | goto add_failure; | |
139 | } | |
140 | ret_val = netlbl_domhsh_add(entry); | |
141 | rcu_read_unlock(); | |
142 | break; | |
143 | default: | |
144 | ret_val = -EINVAL; | |
145 | } | |
146 | if (ret_val != 0) | |
147 | goto add_failure; | |
148 | } | |
149 | ||
150 | netlbl_netlink_send_ack(info, | |
151 | netlbl_mgmt_gnl_family.id, | |
152 | NLBL_MGMT_C_ACK, | |
153 | NETLBL_E_OK); | |
154 | return 0; | |
155 | ||
156 | add_failure: | |
157 | if (entry) | |
158 | kfree(entry->domain); | |
159 | kfree(entry); | |
160 | netlbl_netlink_send_ack(info, | |
161 | netlbl_mgmt_gnl_family.id, | |
162 | NLBL_MGMT_C_ACK, | |
163 | -ret_val); | |
164 | return ret_val; | |
165 | } | |
166 | ||
167 | /** | |
168 | * netlbl_mgmt_remove - Handle a REMOVE message | |
169 | * @skb: the NETLINK buffer | |
170 | * @info: the Generic NETLINK info block | |
171 | * | |
172 | * Description: | |
173 | * Process a user generated REMOVE message and remove the specified domain | |
174 | * mappings. Returns zero on success, negative values on failure. | |
175 | * | |
176 | */ | |
177 | static int netlbl_mgmt_remove(struct sk_buff *skb, struct genl_info *info) | |
178 | { | |
179 | int ret_val = -EINVAL; | |
180 | struct nlattr *msg_ptr = netlbl_netlink_payload_data(skb); | |
181 | int msg_len = netlbl_netlink_payload_len(skb); | |
182 | u32 count; | |
183 | u32 iter; | |
184 | int tmp_size; | |
185 | unsigned char *domain; | |
186 | ||
187 | ret_val = netlbl_netlink_cap_check(skb, CAP_NET_ADMIN); | |
188 | if (ret_val != 0) | |
189 | goto remove_return; | |
190 | ||
191 | if (msg_len < NETLBL_LEN_U32) | |
192 | goto remove_return; | |
193 | count = netlbl_getinc_u32(&msg_ptr, &msg_len); | |
194 | ||
195 | for (iter = 0; iter < count && msg_len > 0; iter++) { | |
196 | if (msg_len <= 0) { | |
197 | ret_val = -EINVAL; | |
198 | goto remove_return; | |
199 | } | |
200 | tmp_size = nla_len(msg_ptr); | |
201 | domain = nla_data(msg_ptr); | |
202 | if (tmp_size <= 0 || tmp_size > msg_len || | |
203 | domain[tmp_size - 1] != '\0') { | |
204 | ret_val = -EINVAL; | |
205 | goto remove_return; | |
206 | } | |
207 | ret_val = netlbl_domhsh_remove(domain); | |
208 | if (ret_val != 0) | |
209 | goto remove_return; | |
210 | msg_ptr = nla_next(msg_ptr, &msg_len); | |
211 | } | |
212 | ||
213 | ret_val = 0; | |
214 | ||
215 | remove_return: | |
216 | netlbl_netlink_send_ack(info, | |
217 | netlbl_mgmt_gnl_family.id, | |
218 | NLBL_MGMT_C_ACK, | |
219 | -ret_val); | |
220 | return ret_val; | |
221 | } | |
222 | ||
223 | /** | |
224 | * netlbl_mgmt_list - Handle a LIST message | |
225 | * @skb: the NETLINK buffer | |
226 | * @info: the Generic NETLINK info block | |
227 | * | |
228 | * Description: | |
229 | * Process a user generated LIST message and dumps the domain hash table in a | |
230 | * form suitable for use in a kernel generated LIST message. Returns zero on | |
231 | * success, negative values on failure. | |
232 | * | |
233 | */ | |
234 | static int netlbl_mgmt_list(struct sk_buff *skb, struct genl_info *info) | |
235 | { | |
236 | int ret_val = -ENOMEM; | |
237 | struct sk_buff *ans_skb; | |
238 | ||
239 | ans_skb = netlbl_domhsh_dump(NLMSG_SPACE(GENL_HDRLEN)); | |
240 | if (ans_skb == NULL) | |
241 | goto list_failure; | |
242 | netlbl_netlink_hdr_push(ans_skb, | |
243 | info->snd_pid, | |
244 | 0, | |
245 | netlbl_mgmt_gnl_family.id, | |
246 | NLBL_MGMT_C_LIST); | |
247 | ||
248 | ret_val = netlbl_netlink_snd(ans_skb, info->snd_pid); | |
249 | if (ret_val != 0) | |
250 | goto list_failure; | |
251 | ||
252 | return 0; | |
253 | ||
254 | list_failure: | |
255 | netlbl_netlink_send_ack(info, | |
256 | netlbl_mgmt_gnl_family.id, | |
257 | NLBL_MGMT_C_ACK, | |
258 | -ret_val); | |
259 | return ret_val; | |
260 | } | |
261 | ||
262 | /** | |
263 | * netlbl_mgmt_adddef - Handle an ADDDEF message | |
264 | * @skb: the NETLINK buffer | |
265 | * @info: the Generic NETLINK info block | |
266 | * | |
267 | * Description: | |
268 | * Process a user generated ADDDEF message and respond accordingly. Returns | |
269 | * zero on success, negative values on failure. | |
270 | * | |
271 | */ | |
272 | static int netlbl_mgmt_adddef(struct sk_buff *skb, struct genl_info *info) | |
273 | { | |
274 | int ret_val = -EINVAL; | |
275 | struct nlattr *msg_ptr = netlbl_netlink_payload_data(skb); | |
276 | int msg_len = netlbl_netlink_payload_len(skb); | |
277 | struct netlbl_dom_map *entry = NULL; | |
278 | u32 tmp_val; | |
279 | ||
280 | ret_val = netlbl_netlink_cap_check(skb, CAP_NET_ADMIN); | |
281 | if (ret_val != 0) | |
282 | goto adddef_failure; | |
283 | ||
284 | if (msg_len < NETLBL_LEN_U32) | |
285 | goto adddef_failure; | |
286 | tmp_val = netlbl_getinc_u32(&msg_ptr, &msg_len); | |
287 | ||
288 | entry = kzalloc(sizeof(*entry), GFP_KERNEL); | |
289 | if (entry == NULL) { | |
290 | ret_val = -ENOMEM; | |
291 | goto adddef_failure; | |
292 | } | |
293 | ||
294 | entry->type = tmp_val; | |
295 | switch (entry->type) { | |
296 | case NETLBL_NLTYPE_UNLABELED: | |
297 | ret_val = netlbl_domhsh_add_default(entry); | |
298 | break; | |
299 | case NETLBL_NLTYPE_CIPSOV4: | |
300 | if (msg_len < NETLBL_LEN_U32) { | |
301 | ret_val = -EINVAL; | |
302 | goto adddef_failure; | |
303 | } | |
304 | tmp_val = netlbl_getinc_u32(&msg_ptr, &msg_len); | |
305 | /* We should be holding a rcu_read_lock here while we | |
306 | * hold the result but since the entry will always be | |
307 | * deleted when the CIPSO DOI is deleted we are going | |
308 | * to skip the lock. */ | |
309 | rcu_read_lock(); | |
310 | entry->type_def.cipsov4 = cipso_v4_doi_getdef(tmp_val); | |
311 | if (entry->type_def.cipsov4 == NULL) { | |
312 | rcu_read_unlock(); | |
313 | ret_val = -EINVAL; | |
314 | goto adddef_failure; | |
315 | } | |
316 | ret_val = netlbl_domhsh_add_default(entry); | |
317 | rcu_read_unlock(); | |
318 | break; | |
319 | default: | |
320 | ret_val = -EINVAL; | |
321 | } | |
322 | if (ret_val != 0) | |
323 | goto adddef_failure; | |
324 | ||
325 | netlbl_netlink_send_ack(info, | |
326 | netlbl_mgmt_gnl_family.id, | |
327 | NLBL_MGMT_C_ACK, | |
328 | NETLBL_E_OK); | |
329 | return 0; | |
330 | ||
331 | adddef_failure: | |
332 | kfree(entry); | |
333 | netlbl_netlink_send_ack(info, | |
334 | netlbl_mgmt_gnl_family.id, | |
335 | NLBL_MGMT_C_ACK, | |
336 | -ret_val); | |
337 | return ret_val; | |
338 | } | |
339 | ||
340 | /** | |
341 | * netlbl_mgmt_removedef - Handle a REMOVEDEF message | |
342 | * @skb: the NETLINK buffer | |
343 | * @info: the Generic NETLINK info block | |
344 | * | |
345 | * Description: | |
346 | * Process a user generated REMOVEDEF message and remove the default domain | |
347 | * mapping. Returns zero on success, negative values on failure. | |
348 | * | |
349 | */ | |
350 | static int netlbl_mgmt_removedef(struct sk_buff *skb, struct genl_info *info) | |
351 | { | |
352 | int ret_val; | |
353 | ||
354 | ret_val = netlbl_netlink_cap_check(skb, CAP_NET_ADMIN); | |
355 | if (ret_val != 0) | |
356 | goto removedef_return; | |
357 | ||
358 | ret_val = netlbl_domhsh_remove_default(); | |
359 | ||
360 | removedef_return: | |
361 | netlbl_netlink_send_ack(info, | |
362 | netlbl_mgmt_gnl_family.id, | |
363 | NLBL_MGMT_C_ACK, | |
364 | -ret_val); | |
365 | return ret_val; | |
366 | } | |
367 | ||
368 | /** | |
369 | * netlbl_mgmt_listdef - Handle a LISTDEF message | |
370 | * @skb: the NETLINK buffer | |
371 | * @info: the Generic NETLINK info block | |
372 | * | |
373 | * Description: | |
374 | * Process a user generated LISTDEF message and dumps the default domain | |
375 | * mapping in a form suitable for use in a kernel generated LISTDEF message. | |
376 | * Returns zero on success, negative values on failure. | |
377 | * | |
378 | */ | |
379 | static int netlbl_mgmt_listdef(struct sk_buff *skb, struct genl_info *info) | |
380 | { | |
381 | int ret_val = -ENOMEM; | |
382 | struct sk_buff *ans_skb; | |
383 | ||
384 | ans_skb = netlbl_domhsh_dump_default(NLMSG_SPACE(GENL_HDRLEN)); | |
385 | if (ans_skb == NULL) | |
386 | goto listdef_failure; | |
387 | netlbl_netlink_hdr_push(ans_skb, | |
388 | info->snd_pid, | |
389 | 0, | |
390 | netlbl_mgmt_gnl_family.id, | |
391 | NLBL_MGMT_C_LISTDEF); | |
392 | ||
393 | ret_val = netlbl_netlink_snd(ans_skb, info->snd_pid); | |
394 | if (ret_val != 0) | |
395 | goto listdef_failure; | |
396 | ||
397 | return 0; | |
398 | ||
399 | listdef_failure: | |
400 | netlbl_netlink_send_ack(info, | |
401 | netlbl_mgmt_gnl_family.id, | |
402 | NLBL_MGMT_C_ACK, | |
403 | -ret_val); | |
404 | return ret_val; | |
405 | } | |
406 | ||
407 | /** | |
408 | * netlbl_mgmt_modules - Handle a MODULES message | |
409 | * @skb: the NETLINK buffer | |
410 | * @info: the Generic NETLINK info block | |
411 | * | |
412 | * Description: | |
413 | * Process a user generated MODULES message and respond accordingly. | |
414 | * | |
415 | */ | |
416 | static int netlbl_mgmt_modules(struct sk_buff *skb, struct genl_info *info) | |
417 | { | |
418 | int ret_val = -ENOMEM; | |
419 | size_t data_size; | |
420 | u32 mod_count; | |
421 | struct sk_buff *ans_skb = NULL; | |
422 | ||
423 | /* unlabeled + cipsov4 */ | |
424 | mod_count = 2; | |
425 | ||
426 | data_size = GENL_HDRLEN + NETLBL_LEN_U32 + mod_count * NETLBL_LEN_U32; | |
427 | ans_skb = netlbl_netlink_alloc_skb(0, data_size, GFP_KERNEL); | |
428 | if (ans_skb == NULL) | |
429 | goto modules_failure; | |
430 | ||
431 | if (netlbl_netlink_hdr_put(ans_skb, | |
432 | info->snd_pid, | |
433 | 0, | |
434 | netlbl_mgmt_gnl_family.id, | |
435 | NLBL_MGMT_C_MODULES) == NULL) | |
436 | goto modules_failure; | |
437 | ||
438 | ret_val = nla_put_u32(ans_skb, NLA_U32, mod_count); | |
439 | if (ret_val != 0) | |
440 | goto modules_failure; | |
441 | ret_val = nla_put_u32(ans_skb, NLA_U32, NETLBL_NLTYPE_UNLABELED); | |
442 | if (ret_val != 0) | |
443 | goto modules_failure; | |
444 | ret_val = nla_put_u32(ans_skb, NLA_U32, NETLBL_NLTYPE_CIPSOV4); | |
445 | if (ret_val != 0) | |
446 | goto modules_failure; | |
447 | ||
448 | ret_val = netlbl_netlink_snd(ans_skb, info->snd_pid); | |
449 | if (ret_val != 0) | |
450 | goto modules_failure; | |
451 | ||
452 | return 0; | |
453 | ||
454 | modules_failure: | |
455 | kfree_skb(ans_skb); | |
456 | netlbl_netlink_send_ack(info, | |
457 | netlbl_mgmt_gnl_family.id, | |
458 | NLBL_MGMT_C_ACK, | |
459 | -ret_val); | |
460 | return ret_val; | |
461 | } | |
462 | ||
463 | /** | |
464 | * netlbl_mgmt_version - Handle a VERSION message | |
465 | * @skb: the NETLINK buffer | |
466 | * @info: the Generic NETLINK info block | |
467 | * | |
468 | * Description: | |
469 | * Process a user generated VERSION message and respond accordingly. Returns | |
470 | * zero on success, negative values on failure. | |
471 | * | |
472 | */ | |
473 | static int netlbl_mgmt_version(struct sk_buff *skb, struct genl_info *info) | |
474 | { | |
475 | int ret_val = -ENOMEM; | |
476 | struct sk_buff *ans_skb = NULL; | |
477 | ||
478 | ans_skb = netlbl_netlink_alloc_skb(0, | |
479 | GENL_HDRLEN + NETLBL_LEN_U32, | |
480 | GFP_KERNEL); | |
481 | if (ans_skb == NULL) | |
482 | goto version_failure; | |
483 | if (netlbl_netlink_hdr_put(ans_skb, | |
484 | info->snd_pid, | |
485 | 0, | |
486 | netlbl_mgmt_gnl_family.id, | |
487 | NLBL_MGMT_C_VERSION) == NULL) | |
488 | goto version_failure; | |
489 | ||
490 | ret_val = nla_put_u32(ans_skb, NLA_U32, NETLBL_PROTO_VERSION); | |
491 | if (ret_val != 0) | |
492 | goto version_failure; | |
493 | ||
494 | ret_val = netlbl_netlink_snd(ans_skb, info->snd_pid); | |
495 | if (ret_val != 0) | |
496 | goto version_failure; | |
497 | ||
498 | return 0; | |
499 | ||
500 | version_failure: | |
501 | kfree_skb(ans_skb); | |
502 | netlbl_netlink_send_ack(info, | |
503 | netlbl_mgmt_gnl_family.id, | |
504 | NLBL_MGMT_C_ACK, | |
505 | -ret_val); | |
506 | return ret_val; | |
507 | } | |
508 | ||
509 | ||
510 | /* | |
511 | * NetLabel Generic NETLINK Command Definitions | |
512 | */ | |
513 | ||
514 | static struct genl_ops netlbl_mgmt_genl_c_add = { | |
515 | .cmd = NLBL_MGMT_C_ADD, | |
516 | .flags = 0, | |
517 | .doit = netlbl_mgmt_add, | |
518 | .dumpit = NULL, | |
519 | }; | |
520 | ||
521 | static struct genl_ops netlbl_mgmt_genl_c_remove = { | |
522 | .cmd = NLBL_MGMT_C_REMOVE, | |
523 | .flags = 0, | |
524 | .doit = netlbl_mgmt_remove, | |
525 | .dumpit = NULL, | |
526 | }; | |
527 | ||
528 | static struct genl_ops netlbl_mgmt_genl_c_list = { | |
529 | .cmd = NLBL_MGMT_C_LIST, | |
530 | .flags = 0, | |
531 | .doit = netlbl_mgmt_list, | |
532 | .dumpit = NULL, | |
533 | }; | |
534 | ||
535 | static struct genl_ops netlbl_mgmt_genl_c_adddef = { | |
536 | .cmd = NLBL_MGMT_C_ADDDEF, | |
537 | .flags = 0, | |
538 | .doit = netlbl_mgmt_adddef, | |
539 | .dumpit = NULL, | |
540 | }; | |
541 | ||
542 | static struct genl_ops netlbl_mgmt_genl_c_removedef = { | |
543 | .cmd = NLBL_MGMT_C_REMOVEDEF, | |
544 | .flags = 0, | |
545 | .doit = netlbl_mgmt_removedef, | |
546 | .dumpit = NULL, | |
547 | }; | |
548 | ||
549 | static struct genl_ops netlbl_mgmt_genl_c_listdef = { | |
550 | .cmd = NLBL_MGMT_C_LISTDEF, | |
551 | .flags = 0, | |
552 | .doit = netlbl_mgmt_listdef, | |
553 | .dumpit = NULL, | |
554 | }; | |
555 | ||
556 | static struct genl_ops netlbl_mgmt_genl_c_modules = { | |
557 | .cmd = NLBL_MGMT_C_MODULES, | |
558 | .flags = 0, | |
559 | .doit = netlbl_mgmt_modules, | |
560 | .dumpit = NULL, | |
561 | }; | |
562 | ||
563 | static struct genl_ops netlbl_mgmt_genl_c_version = { | |
564 | .cmd = NLBL_MGMT_C_VERSION, | |
565 | .flags = 0, | |
566 | .doit = netlbl_mgmt_version, | |
567 | .dumpit = NULL, | |
568 | }; | |
569 | ||
570 | /* | |
571 | * NetLabel Generic NETLINK Protocol Functions | |
572 | */ | |
573 | ||
574 | /** | |
575 | * netlbl_mgmt_genl_init - Register the NetLabel management component | |
576 | * | |
577 | * Description: | |
578 | * Register the NetLabel management component with the Generic NETLINK | |
579 | * mechanism. Returns zero on success, negative values on failure. | |
580 | * | |
581 | */ | |
582 | int netlbl_mgmt_genl_init(void) | |
583 | { | |
584 | int ret_val; | |
585 | ||
586 | ret_val = genl_register_family(&netlbl_mgmt_gnl_family); | |
587 | if (ret_val != 0) | |
588 | return ret_val; | |
589 | ||
590 | ret_val = genl_register_ops(&netlbl_mgmt_gnl_family, | |
591 | &netlbl_mgmt_genl_c_add); | |
592 | if (ret_val != 0) | |
593 | return ret_val; | |
594 | ret_val = genl_register_ops(&netlbl_mgmt_gnl_family, | |
595 | &netlbl_mgmt_genl_c_remove); | |
596 | if (ret_val != 0) | |
597 | return ret_val; | |
598 | ret_val = genl_register_ops(&netlbl_mgmt_gnl_family, | |
599 | &netlbl_mgmt_genl_c_list); | |
600 | if (ret_val != 0) | |
601 | return ret_val; | |
602 | ret_val = genl_register_ops(&netlbl_mgmt_gnl_family, | |
603 | &netlbl_mgmt_genl_c_adddef); | |
604 | if (ret_val != 0) | |
605 | return ret_val; | |
606 | ret_val = genl_register_ops(&netlbl_mgmt_gnl_family, | |
607 | &netlbl_mgmt_genl_c_removedef); | |
608 | if (ret_val != 0) | |
609 | return ret_val; | |
610 | ret_val = genl_register_ops(&netlbl_mgmt_gnl_family, | |
611 | &netlbl_mgmt_genl_c_listdef); | |
612 | if (ret_val != 0) | |
613 | return ret_val; | |
614 | ret_val = genl_register_ops(&netlbl_mgmt_gnl_family, | |
615 | &netlbl_mgmt_genl_c_modules); | |
616 | if (ret_val != 0) | |
617 | return ret_val; | |
618 | ret_val = genl_register_ops(&netlbl_mgmt_gnl_family, | |
619 | &netlbl_mgmt_genl_c_version); | |
620 | if (ret_val != 0) | |
621 | return ret_val; | |
622 | ||
623 | return 0; | |
624 | } |