2 * NetLabel CIPSO/IPv4 Support
4 * This file defines the CIPSO/IPv4 functions for the NetLabel system. The
5 * NetLabel system manages static and dynamic label mappings for network
6 * protocols such as CIPSO and RIPSO.
8 * Author: Paul Moore <paul.moore@hp.com>
13 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
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.
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.
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
31 #include <linux/types.h>
32 #include <linux/socket.h>
33 #include <linux/string.h>
34 #include <linux/skbuff.h>
35 #include <linux/audit.h>
37 #include <net/netlink.h>
38 #include <net/genetlink.h>
39 #include <net/netlabel.h>
40 #include <net/cipso_ipv4.h>
41 #include <asm/atomic.h>
43 #include "netlabel_user.h"
44 #include "netlabel_cipso_v4.h"
45 #include "netlabel_mgmt.h"
47 /* Argument struct for cipso_v4_doi_walk() */
48 struct netlbl_cipsov4_doiwalk_arg
{
49 struct netlink_callback
*nl_cb
;
54 /* NetLabel Generic NETLINK CIPSOv4 family */
55 static struct genl_family netlbl_cipsov4_gnl_family
= {
56 .id
= GENL_ID_GENERATE
,
58 .name
= NETLBL_NLTYPE_CIPSOV4_NAME
,
59 .version
= NETLBL_PROTO_VERSION
,
60 .maxattr
= NLBL_CIPSOV4_A_MAX
,
63 /* NetLabel Netlink attribute policy */
64 static const struct nla_policy netlbl_cipsov4_genl_policy
[NLBL_CIPSOV4_A_MAX
+ 1] = {
65 [NLBL_CIPSOV4_A_DOI
] = { .type
= NLA_U32
},
66 [NLBL_CIPSOV4_A_MTYPE
] = { .type
= NLA_U32
},
67 [NLBL_CIPSOV4_A_TAG
] = { .type
= NLA_U8
},
68 [NLBL_CIPSOV4_A_TAGLST
] = { .type
= NLA_NESTED
},
69 [NLBL_CIPSOV4_A_MLSLVLLOC
] = { .type
= NLA_U32
},
70 [NLBL_CIPSOV4_A_MLSLVLREM
] = { .type
= NLA_U32
},
71 [NLBL_CIPSOV4_A_MLSLVL
] = { .type
= NLA_NESTED
},
72 [NLBL_CIPSOV4_A_MLSLVLLST
] = { .type
= NLA_NESTED
},
73 [NLBL_CIPSOV4_A_MLSCATLOC
] = { .type
= NLA_U32
},
74 [NLBL_CIPSOV4_A_MLSCATREM
] = { .type
= NLA_U32
},
75 [NLBL_CIPSOV4_A_MLSCAT
] = { .type
= NLA_NESTED
},
76 [NLBL_CIPSOV4_A_MLSCATLST
] = { .type
= NLA_NESTED
},
84 * netlbl_cipsov4_doi_free - Frees a CIPSO V4 DOI definition
85 * @entry: the entry's RCU field
88 * This function is designed to be used as a callback to the call_rcu()
89 * function so that the memory allocated to the DOI definition can be released
93 static void netlbl_cipsov4_doi_free(struct rcu_head
*entry
)
95 struct cipso_v4_doi
*ptr
;
97 ptr
= container_of(entry
, struct cipso_v4_doi
, rcu
);
99 case CIPSO_V4_MAP_STD
:
100 kfree(ptr
->map
.std
->lvl
.cipso
);
101 kfree(ptr
->map
.std
->lvl
.local
);
102 kfree(ptr
->map
.std
->cat
.cipso
);
103 kfree(ptr
->map
.std
->cat
.local
);
110 * netlbl_cipsov4_add_common - Parse the common sections of a ADD message
111 * @info: the Generic NETLINK info block
112 * @doi_def: the CIPSO V4 DOI definition
115 * Parse the common sections of a ADD message and fill in the related values
116 * in @doi_def. Returns zero on success, negative values on failure.
119 static int netlbl_cipsov4_add_common(struct genl_info
*info
,
120 struct cipso_v4_doi
*doi_def
)
126 doi_def
->doi
= nla_get_u32(info
->attrs
[NLBL_CIPSOV4_A_DOI
]);
128 if (nla_validate_nested(info
->attrs
[NLBL_CIPSOV4_A_TAGLST
],
130 netlbl_cipsov4_genl_policy
) != 0)
133 nla_for_each_nested(nla
, info
->attrs
[NLBL_CIPSOV4_A_TAGLST
], nla_rem
)
134 if (nla_type(nla
) == NLBL_CIPSOV4_A_TAG
) {
135 if (iter
>= CIPSO_V4_TAG_MAXCNT
)
137 doi_def
->tags
[iter
++] = nla_get_u8(nla
);
139 while (iter
< CIPSO_V4_TAG_MAXCNT
)
140 doi_def
->tags
[iter
++] = CIPSO_V4_TAG_INVALID
;
146 * NetLabel Command Handlers
150 * netlbl_cipsov4_add_std - Adds a CIPSO V4 DOI definition
151 * @info: the Generic NETLINK info block
154 * Create a new CIPSO_V4_MAP_STD DOI definition based on the given ADD message
155 * and add it to the CIPSO V4 engine. Return zero on success and non-zero on
159 static int netlbl_cipsov4_add_std(struct genl_info
*info
)
161 int ret_val
= -EINVAL
;
162 struct cipso_v4_doi
*doi_def
= NULL
;
163 struct nlattr
*nla_a
;
164 struct nlattr
*nla_b
;
169 if (!info
->attrs
[NLBL_CIPSOV4_A_TAGLST
] ||
170 !info
->attrs
[NLBL_CIPSOV4_A_MLSLVLLST
])
173 if (nla_validate_nested(info
->attrs
[NLBL_CIPSOV4_A_MLSLVLLST
],
175 netlbl_cipsov4_genl_policy
) != 0)
178 doi_def
= kmalloc(sizeof(*doi_def
), GFP_KERNEL
);
181 doi_def
->map
.std
= kzalloc(sizeof(*doi_def
->map
.std
), GFP_KERNEL
);
182 if (doi_def
->map
.std
== NULL
) {
184 goto add_std_failure
;
186 doi_def
->type
= CIPSO_V4_MAP_STD
;
188 ret_val
= netlbl_cipsov4_add_common(info
, doi_def
);
190 goto add_std_failure
;
193 nla_for_each_nested(nla_a
,
194 info
->attrs
[NLBL_CIPSOV4_A_MLSLVLLST
],
196 if (nla_type(nla_a
) == NLBL_CIPSOV4_A_MLSLVL
) {
197 if (nla_validate_nested(nla_a
,
199 netlbl_cipsov4_genl_policy
) != 0)
200 goto add_std_failure
;
201 nla_for_each_nested(nla_b
, nla_a
, nla_b_rem
)
202 switch (nla_type(nla_b
)) {
203 case NLBL_CIPSOV4_A_MLSLVLLOC
:
204 if (nla_get_u32(nla_b
) >
205 CIPSO_V4_MAX_LOC_LVLS
)
206 goto add_std_failure
;
207 if (nla_get_u32(nla_b
) >=
208 doi_def
->map
.std
->lvl
.local_size
)
209 doi_def
->map
.std
->lvl
.local_size
=
210 nla_get_u32(nla_b
) + 1;
212 case NLBL_CIPSOV4_A_MLSLVLREM
:
213 if (nla_get_u32(nla_b
) >
214 CIPSO_V4_MAX_REM_LVLS
)
215 goto add_std_failure
;
216 if (nla_get_u32(nla_b
) >=
217 doi_def
->map
.std
->lvl
.cipso_size
)
218 doi_def
->map
.std
->lvl
.cipso_size
=
219 nla_get_u32(nla_b
) + 1;
223 doi_def
->map
.std
->lvl
.local
= kcalloc(doi_def
->map
.std
->lvl
.local_size
,
226 if (doi_def
->map
.std
->lvl
.local
== NULL
) {
228 goto add_std_failure
;
230 doi_def
->map
.std
->lvl
.cipso
= kcalloc(doi_def
->map
.std
->lvl
.cipso_size
,
233 if (doi_def
->map
.std
->lvl
.cipso
== NULL
) {
235 goto add_std_failure
;
237 for (iter
= 0; iter
< doi_def
->map
.std
->lvl
.local_size
; iter
++)
238 doi_def
->map
.std
->lvl
.local
[iter
] = CIPSO_V4_INV_LVL
;
239 for (iter
= 0; iter
< doi_def
->map
.std
->lvl
.cipso_size
; iter
++)
240 doi_def
->map
.std
->lvl
.cipso
[iter
] = CIPSO_V4_INV_LVL
;
241 nla_for_each_nested(nla_a
,
242 info
->attrs
[NLBL_CIPSOV4_A_MLSLVLLST
],
244 if (nla_type(nla_a
) == NLBL_CIPSOV4_A_MLSLVL
) {
245 struct nlattr
*lvl_loc
;
246 struct nlattr
*lvl_rem
;
248 lvl_loc
= nla_find_nested(nla_a
,
249 NLBL_CIPSOV4_A_MLSLVLLOC
);
250 lvl_rem
= nla_find_nested(nla_a
,
251 NLBL_CIPSOV4_A_MLSLVLREM
);
252 if (lvl_loc
== NULL
|| lvl_rem
== NULL
)
253 goto add_std_failure
;
254 doi_def
->map
.std
->lvl
.local
[nla_get_u32(lvl_loc
)] =
255 nla_get_u32(lvl_rem
);
256 doi_def
->map
.std
->lvl
.cipso
[nla_get_u32(lvl_rem
)] =
257 nla_get_u32(lvl_loc
);
260 if (info
->attrs
[NLBL_CIPSOV4_A_MLSCATLST
]) {
261 if (nla_validate_nested(info
->attrs
[NLBL_CIPSOV4_A_MLSCATLST
],
263 netlbl_cipsov4_genl_policy
) != 0)
264 goto add_std_failure
;
266 nla_for_each_nested(nla_a
,
267 info
->attrs
[NLBL_CIPSOV4_A_MLSCATLST
],
269 if (nla_type(nla_a
) == NLBL_CIPSOV4_A_MLSCAT
) {
270 if (nla_validate_nested(nla_a
,
272 netlbl_cipsov4_genl_policy
) != 0)
273 goto add_std_failure
;
274 nla_for_each_nested(nla_b
, nla_a
, nla_b_rem
)
275 switch (nla_type(nla_b
)) {
276 case NLBL_CIPSOV4_A_MLSCATLOC
:
277 if (nla_get_u32(nla_b
) >
278 CIPSO_V4_MAX_LOC_CATS
)
279 goto add_std_failure
;
280 if (nla_get_u32(nla_b
) >=
281 doi_def
->map
.std
->cat
.local_size
)
282 doi_def
->map
.std
->cat
.local_size
=
283 nla_get_u32(nla_b
) + 1;
285 case NLBL_CIPSOV4_A_MLSCATREM
:
286 if (nla_get_u32(nla_b
) >
287 CIPSO_V4_MAX_REM_CATS
)
288 goto add_std_failure
;
289 if (nla_get_u32(nla_b
) >=
290 doi_def
->map
.std
->cat
.cipso_size
)
291 doi_def
->map
.std
->cat
.cipso_size
=
292 nla_get_u32(nla_b
) + 1;
296 doi_def
->map
.std
->cat
.local
= kcalloc(
297 doi_def
->map
.std
->cat
.local_size
,
300 if (doi_def
->map
.std
->cat
.local
== NULL
) {
302 goto add_std_failure
;
304 doi_def
->map
.std
->cat
.cipso
= kcalloc(
305 doi_def
->map
.std
->cat
.cipso_size
,
308 if (doi_def
->map
.std
->cat
.cipso
== NULL
) {
310 goto add_std_failure
;
312 for (iter
= 0; iter
< doi_def
->map
.std
->cat
.local_size
; iter
++)
313 doi_def
->map
.std
->cat
.local
[iter
] = CIPSO_V4_INV_CAT
;
314 for (iter
= 0; iter
< doi_def
->map
.std
->cat
.cipso_size
; iter
++)
315 doi_def
->map
.std
->cat
.cipso
[iter
] = CIPSO_V4_INV_CAT
;
316 nla_for_each_nested(nla_a
,
317 info
->attrs
[NLBL_CIPSOV4_A_MLSCATLST
],
319 if (nla_type(nla_a
) == NLBL_CIPSOV4_A_MLSCAT
) {
320 struct nlattr
*cat_loc
;
321 struct nlattr
*cat_rem
;
323 cat_loc
= nla_find_nested(nla_a
,
324 NLBL_CIPSOV4_A_MLSCATLOC
);
325 cat_rem
= nla_find_nested(nla_a
,
326 NLBL_CIPSOV4_A_MLSCATREM
);
327 if (cat_loc
== NULL
|| cat_rem
== NULL
)
328 goto add_std_failure
;
329 doi_def
->map
.std
->cat
.local
[
330 nla_get_u32(cat_loc
)] =
331 nla_get_u32(cat_rem
);
332 doi_def
->map
.std
->cat
.cipso
[
333 nla_get_u32(cat_rem
)] =
334 nla_get_u32(cat_loc
);
338 ret_val
= cipso_v4_doi_add(doi_def
);
340 goto add_std_failure
;
345 netlbl_cipsov4_doi_free(&doi_def
->rcu
);
350 * netlbl_cipsov4_add_pass - Adds a CIPSO V4 DOI definition
351 * @info: the Generic NETLINK info block
354 * Create a new CIPSO_V4_MAP_PASS DOI definition based on the given ADD message
355 * and add it to the CIPSO V4 engine. Return zero on success and non-zero on
359 static int netlbl_cipsov4_add_pass(struct genl_info
*info
)
362 struct cipso_v4_doi
*doi_def
= NULL
;
364 if (!info
->attrs
[NLBL_CIPSOV4_A_TAGLST
])
367 doi_def
= kmalloc(sizeof(*doi_def
), GFP_KERNEL
);
370 doi_def
->type
= CIPSO_V4_MAP_PASS
;
372 ret_val
= netlbl_cipsov4_add_common(info
, doi_def
);
374 goto add_pass_failure
;
376 ret_val
= cipso_v4_doi_add(doi_def
);
378 goto add_pass_failure
;
382 netlbl_cipsov4_doi_free(&doi_def
->rcu
);
387 * netlbl_cipsov4_add - Handle an ADD message
388 * @skb: the NETLINK buffer
389 * @info: the Generic NETLINK info block
392 * Create a new DOI definition based on the given ADD message and add it to the
393 * CIPSO V4 engine. Returns zero on success, negative values on failure.
396 static int netlbl_cipsov4_add(struct sk_buff
*skb
, struct genl_info
*info
)
399 int ret_val
= -EINVAL
;
402 const char *type_str
= "(unknown)";
403 struct audit_buffer
*audit_buf
;
404 struct netlbl_audit audit_info
;
406 if (!info
->attrs
[NLBL_CIPSOV4_A_DOI
] ||
407 !info
->attrs
[NLBL_CIPSOV4_A_MTYPE
])
410 doi
= nla_get_u32(info
->attrs
[NLBL_CIPSOV4_A_DOI
]);
411 netlbl_netlink_auditinfo(skb
, &audit_info
);
413 type
= nla_get_u32(info
->attrs
[NLBL_CIPSOV4_A_MTYPE
]);
415 case CIPSO_V4_MAP_STD
:
417 ret_val
= netlbl_cipsov4_add_std(info
);
419 case CIPSO_V4_MAP_PASS
:
421 ret_val
= netlbl_cipsov4_add_pass(info
);
425 atomic_inc(&netlabel_mgmt_protocount
);
427 audit_buf
= netlbl_audit_start_common(AUDIT_MAC_CIPSOV4_ADD
,
429 if (audit_buf
!= NULL
) {
430 audit_log_format(audit_buf
,
431 " cipso_doi=%u cipso_type=%s res=%u",
434 ret_val
== 0 ? 1 : 0);
435 audit_log_end(audit_buf
);
442 * netlbl_cipsov4_list - Handle a LIST message
443 * @skb: the NETLINK buffer
444 * @info: the Generic NETLINK info block
447 * Process a user generated LIST message and respond accordingly. While the
448 * response message generated by the kernel is straightforward, determining
449 * before hand the size of the buffer to allocate is not (we have to generate
450 * the message to know the size). In order to keep this function sane what we
451 * do is allocate a buffer of NLMSG_GOODSIZE and try to fit the response in
452 * that size, if we fail then we restart with a larger buffer and try again.
453 * We continue in this manner until we hit a limit of failed attempts then we
454 * give up and just send an error message. Returns zero on success and
455 * negative values on error.
458 static int netlbl_cipsov4_list(struct sk_buff
*skb
, struct genl_info
*info
)
461 struct sk_buff
*ans_skb
= NULL
;
465 struct nlattr
*nla_a
;
466 struct nlattr
*nla_b
;
467 struct cipso_v4_doi
*doi_def
;
470 if (!info
->attrs
[NLBL_CIPSOV4_A_DOI
]) {
476 ans_skb
= nlmsg_new(NLMSG_DEFAULT_SIZE
* nlsze_mult
, GFP_KERNEL
);
477 if (ans_skb
== NULL
) {
481 data
= genlmsg_put_reply(ans_skb
, info
, &netlbl_cipsov4_gnl_family
,
482 0, NLBL_CIPSOV4_C_LIST
);
488 doi
= nla_get_u32(info
->attrs
[NLBL_CIPSOV4_A_DOI
]);
491 doi_def
= cipso_v4_doi_getdef(doi
);
492 if (doi_def
== NULL
) {
497 ret_val
= nla_put_u32(ans_skb
, NLBL_CIPSOV4_A_MTYPE
, doi_def
->type
);
499 goto list_failure_lock
;
501 nla_a
= nla_nest_start(ans_skb
, NLBL_CIPSOV4_A_TAGLST
);
504 goto list_failure_lock
;
507 iter
< CIPSO_V4_TAG_MAXCNT
&&
508 doi_def
->tags
[iter
] != CIPSO_V4_TAG_INVALID
;
510 ret_val
= nla_put_u8(ans_skb
,
512 doi_def
->tags
[iter
]);
514 goto list_failure_lock
;
516 nla_nest_end(ans_skb
, nla_a
);
518 switch (doi_def
->type
) {
519 case CIPSO_V4_MAP_STD
:
520 nla_a
= nla_nest_start(ans_skb
, NLBL_CIPSOV4_A_MLSLVLLST
);
523 goto list_failure_lock
;
526 iter
< doi_def
->map
.std
->lvl
.local_size
;
528 if (doi_def
->map
.std
->lvl
.local
[iter
] ==
532 nla_b
= nla_nest_start(ans_skb
, NLBL_CIPSOV4_A_MLSLVL
);
537 ret_val
= nla_put_u32(ans_skb
,
538 NLBL_CIPSOV4_A_MLSLVLLOC
,
542 ret_val
= nla_put_u32(ans_skb
,
543 NLBL_CIPSOV4_A_MLSLVLREM
,
544 doi_def
->map
.std
->lvl
.local
[iter
]);
547 nla_nest_end(ans_skb
, nla_b
);
549 nla_nest_end(ans_skb
, nla_a
);
551 nla_a
= nla_nest_start(ans_skb
, NLBL_CIPSOV4_A_MLSCATLST
);
557 iter
< doi_def
->map
.std
->cat
.local_size
;
559 if (doi_def
->map
.std
->cat
.local
[iter
] ==
563 nla_b
= nla_nest_start(ans_skb
, NLBL_CIPSOV4_A_MLSCAT
);
568 ret_val
= nla_put_u32(ans_skb
,
569 NLBL_CIPSOV4_A_MLSCATLOC
,
573 ret_val
= nla_put_u32(ans_skb
,
574 NLBL_CIPSOV4_A_MLSCATREM
,
575 doi_def
->map
.std
->cat
.local
[iter
]);
578 nla_nest_end(ans_skb
, nla_b
);
580 nla_nest_end(ans_skb
, nla_a
);
586 genlmsg_end(ans_skb
, data
);
588 ret_val
= genlmsg_reply(ans_skb
, info
);
595 /* XXX - this limit is a guesstimate */
596 if (nlsze_mult
< 4) {
610 * netlbl_cipsov4_listall_cb - cipso_v4_doi_walk() callback for LISTALL
611 * @doi_def: the CIPSOv4 DOI definition
612 * @arg: the netlbl_cipsov4_doiwalk_arg structure
615 * This function is designed to be used as a callback to the
616 * cipso_v4_doi_walk() function for use in generating a response for a LISTALL
617 * message. Returns the size of the message on success, negative values on
621 static int netlbl_cipsov4_listall_cb(struct cipso_v4_doi
*doi_def
, void *arg
)
623 int ret_val
= -ENOMEM
;
624 struct netlbl_cipsov4_doiwalk_arg
*cb_arg
= arg
;
627 data
= genlmsg_put(cb_arg
->skb
, NETLINK_CB(cb_arg
->nl_cb
->skb
).pid
,
628 cb_arg
->seq
, &netlbl_cipsov4_gnl_family
,
629 NLM_F_MULTI
, NLBL_CIPSOV4_C_LISTALL
);
631 goto listall_cb_failure
;
633 ret_val
= nla_put_u32(cb_arg
->skb
, NLBL_CIPSOV4_A_DOI
, doi_def
->doi
);
635 goto listall_cb_failure
;
636 ret_val
= nla_put_u32(cb_arg
->skb
,
637 NLBL_CIPSOV4_A_MTYPE
,
640 goto listall_cb_failure
;
642 return genlmsg_end(cb_arg
->skb
, data
);
645 genlmsg_cancel(cb_arg
->skb
, data
);
650 * netlbl_cipsov4_listall - Handle a LISTALL message
651 * @skb: the NETLINK buffer
652 * @cb: the NETLINK callback
655 * Process a user generated LISTALL message and respond accordingly. Returns
656 * zero on success and negative values on error.
659 static int netlbl_cipsov4_listall(struct sk_buff
*skb
,
660 struct netlink_callback
*cb
)
662 struct netlbl_cipsov4_doiwalk_arg cb_arg
;
663 int doi_skip
= cb
->args
[0];
667 cb_arg
.seq
= cb
->nlh
->nlmsg_seq
;
669 cipso_v4_doi_walk(&doi_skip
, netlbl_cipsov4_listall_cb
, &cb_arg
);
671 cb
->args
[0] = doi_skip
;
676 * netlbl_cipsov4_remove - Handle a REMOVE message
677 * @skb: the NETLINK buffer
678 * @info: the Generic NETLINK info block
681 * Process a user generated REMOVE message and respond accordingly. Returns
682 * zero on success, negative values on failure.
685 static int netlbl_cipsov4_remove(struct sk_buff
*skb
, struct genl_info
*info
)
687 int ret_val
= -EINVAL
;
689 struct audit_buffer
*audit_buf
;
690 struct netlbl_audit audit_info
;
692 if (!info
->attrs
[NLBL_CIPSOV4_A_DOI
])
695 doi
= nla_get_u32(info
->attrs
[NLBL_CIPSOV4_A_DOI
]);
696 netlbl_netlink_auditinfo(skb
, &audit_info
);
698 ret_val
= cipso_v4_doi_remove(doi
,
700 netlbl_cipsov4_doi_free
);
702 atomic_dec(&netlabel_mgmt_protocount
);
704 audit_buf
= netlbl_audit_start_common(AUDIT_MAC_CIPSOV4_DEL
,
706 if (audit_buf
!= NULL
) {
707 audit_log_format(audit_buf
,
708 " cipso_doi=%u res=%u",
710 ret_val
== 0 ? 1 : 0);
711 audit_log_end(audit_buf
);
718 * NetLabel Generic NETLINK Command Definitions
721 static struct genl_ops netlbl_cipsov4_genl_c_add
= {
722 .cmd
= NLBL_CIPSOV4_C_ADD
,
723 .flags
= GENL_ADMIN_PERM
,
724 .policy
= netlbl_cipsov4_genl_policy
,
725 .doit
= netlbl_cipsov4_add
,
729 static struct genl_ops netlbl_cipsov4_genl_c_remove
= {
730 .cmd
= NLBL_CIPSOV4_C_REMOVE
,
731 .flags
= GENL_ADMIN_PERM
,
732 .policy
= netlbl_cipsov4_genl_policy
,
733 .doit
= netlbl_cipsov4_remove
,
737 static struct genl_ops netlbl_cipsov4_genl_c_list
= {
738 .cmd
= NLBL_CIPSOV4_C_LIST
,
740 .policy
= netlbl_cipsov4_genl_policy
,
741 .doit
= netlbl_cipsov4_list
,
745 static struct genl_ops netlbl_cipsov4_genl_c_listall
= {
746 .cmd
= NLBL_CIPSOV4_C_LISTALL
,
748 .policy
= netlbl_cipsov4_genl_policy
,
750 .dumpit
= netlbl_cipsov4_listall
,
754 * NetLabel Generic NETLINK Protocol Functions
758 * netlbl_cipsov4_genl_init - Register the CIPSOv4 NetLabel component
761 * Register the CIPSOv4 packet NetLabel component with the Generic NETLINK
762 * mechanism. Returns zero on success, negative values on failure.
765 int netlbl_cipsov4_genl_init(void)
769 ret_val
= genl_register_family(&netlbl_cipsov4_gnl_family
);
773 ret_val
= genl_register_ops(&netlbl_cipsov4_gnl_family
,
774 &netlbl_cipsov4_genl_c_add
);
777 ret_val
= genl_register_ops(&netlbl_cipsov4_gnl_family
,
778 &netlbl_cipsov4_genl_c_remove
);
781 ret_val
= genl_register_ops(&netlbl_cipsov4_gnl_family
,
782 &netlbl_cipsov4_genl_c_list
);
785 ret_val
= genl_register_ops(&netlbl_cipsov4_gnl_family
,
786 &netlbl_cipsov4_genl_c_listall
);