2 * NetLabel Management Support
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.
8 * Author: Paul Moore <paul@paul-moore.com>
13 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006, 2008
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, see <http://www.gnu.org/licenses/>.
30 #include <linux/types.h>
31 #include <linux/socket.h>
32 #include <linux/string.h>
33 #include <linux/skbuff.h>
35 #include <linux/in6.h>
36 #include <linux/slab.h>
38 #include <net/netlink.h>
39 #include <net/genetlink.h>
42 #include <net/netlabel.h>
43 #include <net/cipso_ipv4.h>
44 #include <linux/atomic.h>
46 #include "netlabel_domainhash.h"
47 #include "netlabel_user.h"
48 #include "netlabel_mgmt.h"
50 /* NetLabel configured protocol counter */
51 atomic_t netlabel_mgmt_protocount
= ATOMIC_INIT(0);
53 /* Argument struct for netlbl_domhsh_walk() */
54 struct netlbl_domhsh_walk_arg
{
55 struct netlink_callback
*nl_cb
;
60 /* NetLabel Generic NETLINK CIPSOv4 family */
61 static struct genl_family netlbl_mgmt_gnl_family
= {
62 .id
= GENL_ID_GENERATE
,
64 .name
= NETLBL_NLTYPE_MGMT_NAME
,
65 .version
= NETLBL_PROTO_VERSION
,
66 .maxattr
= NLBL_MGMT_A_MAX
,
69 /* NetLabel Netlink attribute policy */
70 static const struct nla_policy netlbl_mgmt_genl_policy
[NLBL_MGMT_A_MAX
+ 1] = {
71 [NLBL_MGMT_A_DOMAIN
] = { .type
= NLA_NUL_STRING
},
72 [NLBL_MGMT_A_PROTOCOL
] = { .type
= NLA_U32
},
73 [NLBL_MGMT_A_VERSION
] = { .type
= NLA_U32
},
74 [NLBL_MGMT_A_CV4DOI
] = { .type
= NLA_U32
},
82 * netlbl_mgmt_add - Handle an ADD message
83 * @info: the Generic NETLINK info block
84 * @audit_info: NetLabel audit information
87 * Helper function for the ADD and ADDDEF messages to add the domain mappings
88 * from the message to the hash table. See netlabel.h for a description of the
89 * message format. Returns zero on success, negative values on failure.
92 static int netlbl_mgmt_add_common(struct genl_info
*info
,
93 struct netlbl_audit
*audit_info
)
95 int ret_val
= -EINVAL
;
96 struct netlbl_domaddr_map
*addrmap
= NULL
;
97 struct cipso_v4_doi
*cipsov4
= NULL
;
99 struct netlbl_dom_map
*entry
= kzalloc(sizeof(*entry
), GFP_KERNEL
);
103 entry
->def
.type
= nla_get_u32(info
->attrs
[NLBL_MGMT_A_PROTOCOL
]);
104 if (info
->attrs
[NLBL_MGMT_A_DOMAIN
]) {
105 size_t tmp_size
= nla_len(info
->attrs
[NLBL_MGMT_A_DOMAIN
]);
106 entry
->domain
= kmalloc(tmp_size
, GFP_KERNEL
);
107 if (entry
->domain
== NULL
) {
111 nla_strlcpy(entry
->domain
,
112 info
->attrs
[NLBL_MGMT_A_DOMAIN
], tmp_size
);
115 /* NOTE: internally we allow/use a entry->def.type value of
116 * NETLBL_NLTYPE_ADDRSELECT but we don't currently allow users
117 * to pass that as a protocol value because we need to know the
120 switch (entry
->def
.type
) {
121 case NETLBL_NLTYPE_UNLABELED
:
123 case NETLBL_NLTYPE_CIPSOV4
:
124 if (!info
->attrs
[NLBL_MGMT_A_CV4DOI
])
125 goto add_free_domain
;
127 tmp_val
= nla_get_u32(info
->attrs
[NLBL_MGMT_A_CV4DOI
]);
128 cipsov4
= cipso_v4_doi_getdef(tmp_val
);
130 goto add_free_domain
;
131 entry
->def
.cipso
= cipsov4
;
134 goto add_free_domain
;
137 if (info
->attrs
[NLBL_MGMT_A_IPV4ADDR
]) {
138 struct in_addr
*addr
;
139 struct in_addr
*mask
;
140 struct netlbl_domaddr4_map
*map
;
142 addrmap
= kzalloc(sizeof(*addrmap
), GFP_KERNEL
);
143 if (addrmap
== NULL
) {
145 goto add_doi_put_def
;
147 INIT_LIST_HEAD(&addrmap
->list4
);
148 INIT_LIST_HEAD(&addrmap
->list6
);
150 if (nla_len(info
->attrs
[NLBL_MGMT_A_IPV4ADDR
]) !=
151 sizeof(struct in_addr
)) {
153 goto add_free_addrmap
;
155 if (nla_len(info
->attrs
[NLBL_MGMT_A_IPV4MASK
]) !=
156 sizeof(struct in_addr
)) {
158 goto add_free_addrmap
;
160 addr
= nla_data(info
->attrs
[NLBL_MGMT_A_IPV4ADDR
]);
161 mask
= nla_data(info
->attrs
[NLBL_MGMT_A_IPV4MASK
]);
163 map
= kzalloc(sizeof(*map
), GFP_KERNEL
);
166 goto add_free_addrmap
;
168 map
->list
.addr
= addr
->s_addr
& mask
->s_addr
;
169 map
->list
.mask
= mask
->s_addr
;
171 map
->def
.type
= entry
->def
.type
;
173 map
->def
.cipso
= cipsov4
;
175 ret_val
= netlbl_af4list_add(&map
->list
, &addrmap
->list4
);
178 goto add_free_addrmap
;
181 entry
->def
.type
= NETLBL_NLTYPE_ADDRSELECT
;
182 entry
->def
.addrsel
= addrmap
;
183 #if IS_ENABLED(CONFIG_IPV6)
184 } else if (info
->attrs
[NLBL_MGMT_A_IPV6ADDR
]) {
185 struct in6_addr
*addr
;
186 struct in6_addr
*mask
;
187 struct netlbl_domaddr6_map
*map
;
189 addrmap
= kzalloc(sizeof(*addrmap
), GFP_KERNEL
);
190 if (addrmap
== NULL
) {
192 goto add_doi_put_def
;
194 INIT_LIST_HEAD(&addrmap
->list4
);
195 INIT_LIST_HEAD(&addrmap
->list6
);
197 if (nla_len(info
->attrs
[NLBL_MGMT_A_IPV6ADDR
]) !=
198 sizeof(struct in6_addr
)) {
200 goto add_free_addrmap
;
202 if (nla_len(info
->attrs
[NLBL_MGMT_A_IPV6MASK
]) !=
203 sizeof(struct in6_addr
)) {
205 goto add_free_addrmap
;
207 addr
= nla_data(info
->attrs
[NLBL_MGMT_A_IPV6ADDR
]);
208 mask
= nla_data(info
->attrs
[NLBL_MGMT_A_IPV6MASK
]);
210 map
= kzalloc(sizeof(*map
), GFP_KERNEL
);
213 goto add_free_addrmap
;
215 map
->list
.addr
= *addr
;
216 map
->list
.addr
.s6_addr32
[0] &= mask
->s6_addr32
[0];
217 map
->list
.addr
.s6_addr32
[1] &= mask
->s6_addr32
[1];
218 map
->list
.addr
.s6_addr32
[2] &= mask
->s6_addr32
[2];
219 map
->list
.addr
.s6_addr32
[3] &= mask
->s6_addr32
[3];
220 map
->list
.mask
= *mask
;
222 map
->def
.type
= entry
->def
.type
;
224 ret_val
= netlbl_af6list_add(&map
->list
, &addrmap
->list6
);
227 goto add_free_addrmap
;
230 entry
->def
.type
= NETLBL_NLTYPE_ADDRSELECT
;
231 entry
->def
.addrsel
= addrmap
;
235 ret_val
= netlbl_domhsh_add(entry
, audit_info
);
237 goto add_free_addrmap
;
244 cipso_v4_doi_putdef(cipsov4
);
246 kfree(entry
->domain
);
253 * netlbl_mgmt_listentry - List a NetLabel/LSM domain map entry
254 * @skb: the NETLINK buffer
255 * @entry: the map entry
258 * This function is a helper function used by the LISTALL and LISTDEF command
259 * handlers. The caller is responsible for ensuring that the RCU read lock
260 * is held. Returns zero on success, negative values on failure.
263 static int netlbl_mgmt_listentry(struct sk_buff
*skb
,
264 struct netlbl_dom_map
*entry
)
267 struct nlattr
*nla_a
;
268 struct nlattr
*nla_b
;
269 struct netlbl_af4list
*iter4
;
270 #if IS_ENABLED(CONFIG_IPV6)
271 struct netlbl_af6list
*iter6
;
274 if (entry
->domain
!= NULL
) {
275 ret_val
= nla_put_string(skb
,
276 NLBL_MGMT_A_DOMAIN
, entry
->domain
);
281 switch (entry
->def
.type
) {
282 case NETLBL_NLTYPE_ADDRSELECT
:
283 nla_a
= nla_nest_start(skb
, NLBL_MGMT_A_SELECTORLIST
);
287 netlbl_af4list_foreach_rcu(iter4
, &entry
->def
.addrsel
->list4
) {
288 struct netlbl_domaddr4_map
*map4
;
289 struct in_addr addr_struct
;
291 nla_b
= nla_nest_start(skb
, NLBL_MGMT_A_ADDRSELECTOR
);
295 addr_struct
.s_addr
= iter4
->addr
;
296 ret_val
= nla_put(skb
, NLBL_MGMT_A_IPV4ADDR
,
297 sizeof(struct in_addr
),
301 addr_struct
.s_addr
= iter4
->mask
;
302 ret_val
= nla_put(skb
, NLBL_MGMT_A_IPV4MASK
,
303 sizeof(struct in_addr
),
307 map4
= netlbl_domhsh_addr4_entry(iter4
);
308 ret_val
= nla_put_u32(skb
, NLBL_MGMT_A_PROTOCOL
,
312 switch (map4
->def
.type
) {
313 case NETLBL_NLTYPE_CIPSOV4
:
314 ret_val
= nla_put_u32(skb
, NLBL_MGMT_A_CV4DOI
,
315 map4
->def
.cipso
->doi
);
321 nla_nest_end(skb
, nla_b
);
323 #if IS_ENABLED(CONFIG_IPV6)
324 netlbl_af6list_foreach_rcu(iter6
, &entry
->def
.addrsel
->list6
) {
325 struct netlbl_domaddr6_map
*map6
;
327 nla_b
= nla_nest_start(skb
, NLBL_MGMT_A_ADDRSELECTOR
);
331 ret_val
= nla_put(skb
, NLBL_MGMT_A_IPV6ADDR
,
332 sizeof(struct in6_addr
),
336 ret_val
= nla_put(skb
, NLBL_MGMT_A_IPV6MASK
,
337 sizeof(struct in6_addr
),
341 map6
= netlbl_domhsh_addr6_entry(iter6
);
342 ret_val
= nla_put_u32(skb
, NLBL_MGMT_A_PROTOCOL
,
347 nla_nest_end(skb
, nla_b
);
351 nla_nest_end(skb
, nla_a
);
353 case NETLBL_NLTYPE_UNLABELED
:
354 ret_val
= nla_put_u32(skb
,NLBL_MGMT_A_PROTOCOL
,entry
->def
.type
);
356 case NETLBL_NLTYPE_CIPSOV4
:
357 ret_val
= nla_put_u32(skb
,NLBL_MGMT_A_PROTOCOL
,entry
->def
.type
);
360 ret_val
= nla_put_u32(skb
, NLBL_MGMT_A_CV4DOI
,
361 entry
->def
.cipso
->doi
);
369 * NetLabel Command Handlers
373 * netlbl_mgmt_add - Handle an ADD message
374 * @skb: the NETLINK buffer
375 * @info: the Generic NETLINK info block
378 * Process a user generated ADD message and add the domains from the message
379 * to the hash table. See netlabel.h for a description of the message format.
380 * Returns zero on success, negative values on failure.
383 static int netlbl_mgmt_add(struct sk_buff
*skb
, struct genl_info
*info
)
385 struct netlbl_audit audit_info
;
387 if ((!info
->attrs
[NLBL_MGMT_A_DOMAIN
]) ||
388 (!info
->attrs
[NLBL_MGMT_A_PROTOCOL
]) ||
389 (info
->attrs
[NLBL_MGMT_A_IPV4ADDR
] &&
390 info
->attrs
[NLBL_MGMT_A_IPV6ADDR
]) ||
391 (info
->attrs
[NLBL_MGMT_A_IPV4MASK
] &&
392 info
->attrs
[NLBL_MGMT_A_IPV6MASK
]) ||
393 ((info
->attrs
[NLBL_MGMT_A_IPV4ADDR
] != NULL
) ^
394 (info
->attrs
[NLBL_MGMT_A_IPV4MASK
] != NULL
)) ||
395 ((info
->attrs
[NLBL_MGMT_A_IPV6ADDR
] != NULL
) ^
396 (info
->attrs
[NLBL_MGMT_A_IPV6MASK
] != NULL
)))
399 netlbl_netlink_auditinfo(skb
, &audit_info
);
401 return netlbl_mgmt_add_common(info
, &audit_info
);
405 * netlbl_mgmt_remove - Handle a REMOVE message
406 * @skb: the NETLINK buffer
407 * @info: the Generic NETLINK info block
410 * Process a user generated REMOVE message and remove the specified domain
411 * mappings. Returns zero on success, negative values on failure.
414 static int netlbl_mgmt_remove(struct sk_buff
*skb
, struct genl_info
*info
)
417 struct netlbl_audit audit_info
;
419 if (!info
->attrs
[NLBL_MGMT_A_DOMAIN
])
422 netlbl_netlink_auditinfo(skb
, &audit_info
);
424 domain
= nla_data(info
->attrs
[NLBL_MGMT_A_DOMAIN
]);
425 return netlbl_domhsh_remove(domain
, &audit_info
);
429 * netlbl_mgmt_listall_cb - netlbl_domhsh_walk() callback for LISTALL
430 * @entry: the domain mapping hash table entry
431 * @arg: the netlbl_domhsh_walk_arg structure
434 * This function is designed to be used as a callback to the
435 * netlbl_domhsh_walk() function for use in generating a response for a LISTALL
436 * message. Returns the size of the message on success, negative values on
440 static int netlbl_mgmt_listall_cb(struct netlbl_dom_map
*entry
, void *arg
)
442 int ret_val
= -ENOMEM
;
443 struct netlbl_domhsh_walk_arg
*cb_arg
= arg
;
446 data
= genlmsg_put(cb_arg
->skb
, NETLINK_CB(cb_arg
->nl_cb
->skb
).portid
,
447 cb_arg
->seq
, &netlbl_mgmt_gnl_family
,
448 NLM_F_MULTI
, NLBL_MGMT_C_LISTALL
);
450 goto listall_cb_failure
;
452 ret_val
= netlbl_mgmt_listentry(cb_arg
->skb
, entry
);
454 goto listall_cb_failure
;
457 genlmsg_end(cb_arg
->skb
, data
);
461 genlmsg_cancel(cb_arg
->skb
, data
);
466 * netlbl_mgmt_listall - Handle a LISTALL message
467 * @skb: the NETLINK buffer
468 * @cb: the NETLINK callback
471 * Process a user generated LISTALL message and dumps the domain hash table in
472 * a form suitable for use in a kernel generated LISTALL message. Returns zero
473 * on success, negative values on failure.
476 static int netlbl_mgmt_listall(struct sk_buff
*skb
,
477 struct netlink_callback
*cb
)
479 struct netlbl_domhsh_walk_arg cb_arg
;
480 u32 skip_bkt
= cb
->args
[0];
481 u32 skip_chain
= cb
->args
[1];
485 cb_arg
.seq
= cb
->nlh
->nlmsg_seq
;
487 netlbl_domhsh_walk(&skip_bkt
,
489 netlbl_mgmt_listall_cb
,
492 cb
->args
[0] = skip_bkt
;
493 cb
->args
[1] = skip_chain
;
498 * netlbl_mgmt_adddef - Handle an ADDDEF message
499 * @skb: the NETLINK buffer
500 * @info: the Generic NETLINK info block
503 * Process a user generated ADDDEF message and respond accordingly. Returns
504 * zero on success, negative values on failure.
507 static int netlbl_mgmt_adddef(struct sk_buff
*skb
, struct genl_info
*info
)
509 struct netlbl_audit audit_info
;
511 if ((!info
->attrs
[NLBL_MGMT_A_PROTOCOL
]) ||
512 (info
->attrs
[NLBL_MGMT_A_IPV4ADDR
] &&
513 info
->attrs
[NLBL_MGMT_A_IPV6ADDR
]) ||
514 (info
->attrs
[NLBL_MGMT_A_IPV4MASK
] &&
515 info
->attrs
[NLBL_MGMT_A_IPV6MASK
]) ||
516 ((info
->attrs
[NLBL_MGMT_A_IPV4ADDR
] != NULL
) ^
517 (info
->attrs
[NLBL_MGMT_A_IPV4MASK
] != NULL
)) ||
518 ((info
->attrs
[NLBL_MGMT_A_IPV6ADDR
] != NULL
) ^
519 (info
->attrs
[NLBL_MGMT_A_IPV6MASK
] != NULL
)))
522 netlbl_netlink_auditinfo(skb
, &audit_info
);
524 return netlbl_mgmt_add_common(info
, &audit_info
);
528 * netlbl_mgmt_removedef - Handle a REMOVEDEF message
529 * @skb: the NETLINK buffer
530 * @info: the Generic NETLINK info block
533 * Process a user generated REMOVEDEF message and remove the default domain
534 * mapping. Returns zero on success, negative values on failure.
537 static int netlbl_mgmt_removedef(struct sk_buff
*skb
, struct genl_info
*info
)
539 struct netlbl_audit audit_info
;
541 netlbl_netlink_auditinfo(skb
, &audit_info
);
543 return netlbl_domhsh_remove_default(&audit_info
);
547 * netlbl_mgmt_listdef - Handle a LISTDEF message
548 * @skb: the NETLINK buffer
549 * @info: the Generic NETLINK info block
552 * Process a user generated LISTDEF message and dumps the default domain
553 * mapping in a form suitable for use in a kernel generated LISTDEF message.
554 * Returns zero on success, negative values on failure.
557 static int netlbl_mgmt_listdef(struct sk_buff
*skb
, struct genl_info
*info
)
559 int ret_val
= -ENOMEM
;
560 struct sk_buff
*ans_skb
= NULL
;
562 struct netlbl_dom_map
*entry
;
564 ans_skb
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
567 data
= genlmsg_put_reply(ans_skb
, info
, &netlbl_mgmt_gnl_family
,
568 0, NLBL_MGMT_C_LISTDEF
);
570 goto listdef_failure
;
573 entry
= netlbl_domhsh_getentry(NULL
);
576 goto listdef_failure_lock
;
578 ret_val
= netlbl_mgmt_listentry(ans_skb
, entry
);
581 goto listdef_failure
;
583 genlmsg_end(ans_skb
, data
);
584 return genlmsg_reply(ans_skb
, info
);
586 listdef_failure_lock
:
594 * netlbl_mgmt_protocols_cb - Write an individual PROTOCOL message response
595 * @skb: the skb to write to
596 * @cb: the NETLINK callback
597 * @protocol: the NetLabel protocol to use in the message
600 * This function is to be used in conjunction with netlbl_mgmt_protocols() to
601 * answer a application's PROTOCOLS message. Returns the size of the message
602 * on success, negative values on failure.
605 static int netlbl_mgmt_protocols_cb(struct sk_buff
*skb
,
606 struct netlink_callback
*cb
,
609 int ret_val
= -ENOMEM
;
612 data
= genlmsg_put(skb
, NETLINK_CB(cb
->skb
).portid
, cb
->nlh
->nlmsg_seq
,
613 &netlbl_mgmt_gnl_family
, NLM_F_MULTI
,
614 NLBL_MGMT_C_PROTOCOLS
);
616 goto protocols_cb_failure
;
618 ret_val
= nla_put_u32(skb
, NLBL_MGMT_A_PROTOCOL
, protocol
);
620 goto protocols_cb_failure
;
622 genlmsg_end(skb
, data
);
625 protocols_cb_failure
:
626 genlmsg_cancel(skb
, data
);
631 * netlbl_mgmt_protocols - Handle a PROTOCOLS message
632 * @skb: the NETLINK buffer
633 * @cb: the NETLINK callback
636 * Process a user generated PROTOCOLS message and respond accordingly.
639 static int netlbl_mgmt_protocols(struct sk_buff
*skb
,
640 struct netlink_callback
*cb
)
642 u32 protos_sent
= cb
->args
[0];
644 if (protos_sent
== 0) {
645 if (netlbl_mgmt_protocols_cb(skb
,
647 NETLBL_NLTYPE_UNLABELED
) < 0)
648 goto protocols_return
;
651 if (protos_sent
== 1) {
652 if (netlbl_mgmt_protocols_cb(skb
,
654 NETLBL_NLTYPE_CIPSOV4
) < 0)
655 goto protocols_return
;
660 cb
->args
[0] = protos_sent
;
665 * netlbl_mgmt_version - Handle a VERSION message
666 * @skb: the NETLINK buffer
667 * @info: the Generic NETLINK info block
670 * Process a user generated VERSION message and respond accordingly. Returns
671 * zero on success, negative values on failure.
674 static int netlbl_mgmt_version(struct sk_buff
*skb
, struct genl_info
*info
)
676 int ret_val
= -ENOMEM
;
677 struct sk_buff
*ans_skb
= NULL
;
680 ans_skb
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
683 data
= genlmsg_put_reply(ans_skb
, info
, &netlbl_mgmt_gnl_family
,
684 0, NLBL_MGMT_C_VERSION
);
686 goto version_failure
;
688 ret_val
= nla_put_u32(ans_skb
,
690 NETLBL_PROTO_VERSION
);
692 goto version_failure
;
694 genlmsg_end(ans_skb
, data
);
695 return genlmsg_reply(ans_skb
, info
);
704 * NetLabel Generic NETLINK Command Definitions
707 static const struct genl_ops netlbl_mgmt_genl_ops
[] = {
709 .cmd
= NLBL_MGMT_C_ADD
,
710 .flags
= GENL_ADMIN_PERM
,
711 .policy
= netlbl_mgmt_genl_policy
,
712 .doit
= netlbl_mgmt_add
,
716 .cmd
= NLBL_MGMT_C_REMOVE
,
717 .flags
= GENL_ADMIN_PERM
,
718 .policy
= netlbl_mgmt_genl_policy
,
719 .doit
= netlbl_mgmt_remove
,
723 .cmd
= NLBL_MGMT_C_LISTALL
,
725 .policy
= netlbl_mgmt_genl_policy
,
727 .dumpit
= netlbl_mgmt_listall
,
730 .cmd
= NLBL_MGMT_C_ADDDEF
,
731 .flags
= GENL_ADMIN_PERM
,
732 .policy
= netlbl_mgmt_genl_policy
,
733 .doit
= netlbl_mgmt_adddef
,
737 .cmd
= NLBL_MGMT_C_REMOVEDEF
,
738 .flags
= GENL_ADMIN_PERM
,
739 .policy
= netlbl_mgmt_genl_policy
,
740 .doit
= netlbl_mgmt_removedef
,
744 .cmd
= NLBL_MGMT_C_LISTDEF
,
746 .policy
= netlbl_mgmt_genl_policy
,
747 .doit
= netlbl_mgmt_listdef
,
751 .cmd
= NLBL_MGMT_C_PROTOCOLS
,
753 .policy
= netlbl_mgmt_genl_policy
,
755 .dumpit
= netlbl_mgmt_protocols
,
758 .cmd
= NLBL_MGMT_C_VERSION
,
760 .policy
= netlbl_mgmt_genl_policy
,
761 .doit
= netlbl_mgmt_version
,
767 * NetLabel Generic NETLINK Protocol Functions
771 * netlbl_mgmt_genl_init - Register the NetLabel management component
774 * Register the NetLabel management component with the Generic NETLINK
775 * mechanism. Returns zero on success, negative values on failure.
778 int __init
netlbl_mgmt_genl_init(void)
780 return genl_register_family_with_ops(&netlbl_mgmt_gnl_family
,
781 netlbl_mgmt_genl_ops
);