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 <net/calipso.h>
45 #include <linux/atomic.h>
47 #include "netlabel_calipso.h"
48 #include "netlabel_domainhash.h"
49 #include "netlabel_user.h"
50 #include "netlabel_mgmt.h"
52 /* NetLabel configured protocol counter */
53 atomic_t netlabel_mgmt_protocount = ATOMIC_INIT(0);
55 /* Argument struct for netlbl_domhsh_walk() */
56 struct netlbl_domhsh_walk_arg {
57 struct netlink_callback *nl_cb;
62 /* NetLabel Generic NETLINK CIPSOv4 family */
63 static struct genl_family netlbl_mgmt_gnl_family;
65 /* NetLabel Netlink attribute policy */
66 static const struct nla_policy netlbl_mgmt_genl_policy[NLBL_MGMT_A_MAX + 1] = {
67 [NLBL_MGMT_A_DOMAIN] = { .type = NLA_NUL_STRING },
68 [NLBL_MGMT_A_PROTOCOL] = { .type = NLA_U32 },
69 [NLBL_MGMT_A_VERSION] = { .type = NLA_U32 },
70 [NLBL_MGMT_A_CV4DOI] = { .type = NLA_U32 },
71 [NLBL_MGMT_A_FAMILY] = { .type = NLA_U16 },
72 [NLBL_MGMT_A_CLPDOI] = { .type = NLA_U32 },
80 * netlbl_mgmt_add - Handle an ADD message
81 * @info: the Generic NETLINK info block
82 * @audit_info: NetLabel audit information
85 * Helper function for the ADD and ADDDEF messages to add the domain mappings
86 * from the message to the hash table. See netlabel.h for a description of the
87 * message format. Returns zero on success, negative values on failure.
90 static int netlbl_mgmt_add_common(struct genl_info *info,
91 struct netlbl_audit *audit_info)
93 int ret_val = -EINVAL;
94 struct netlbl_domaddr_map *addrmap = NULL;
95 struct cipso_v4_doi *cipsov4 = NULL;
96 #if IS_ENABLED(CONFIG_IPV6)
97 struct calipso_doi *calipso = NULL;
100 struct netlbl_dom_map *entry = kzalloc(sizeof(*entry), GFP_KERNEL);
104 entry->def.type = nla_get_u32(info->attrs[NLBL_MGMT_A_PROTOCOL]);
105 if (info->attrs[NLBL_MGMT_A_DOMAIN]) {
106 size_t tmp_size = nla_len(info->attrs[NLBL_MGMT_A_DOMAIN]);
107 entry->domain = kmalloc(tmp_size, GFP_KERNEL);
108 if (entry->domain == NULL) {
112 nla_strlcpy(entry->domain,
113 info->attrs[NLBL_MGMT_A_DOMAIN], tmp_size);
116 /* NOTE: internally we allow/use a entry->def.type value of
117 * NETLBL_NLTYPE_ADDRSELECT but we don't currently allow users
118 * to pass that as a protocol value because we need to know the
121 switch (entry->def.type) {
122 case NETLBL_NLTYPE_UNLABELED:
123 if (info->attrs[NLBL_MGMT_A_FAMILY])
125 nla_get_u16(info->attrs[NLBL_MGMT_A_FAMILY]);
127 entry->family = AF_UNSPEC;
129 case NETLBL_NLTYPE_CIPSOV4:
130 if (!info->attrs[NLBL_MGMT_A_CV4DOI])
131 goto add_free_domain;
133 tmp_val = nla_get_u32(info->attrs[NLBL_MGMT_A_CV4DOI]);
134 cipsov4 = cipso_v4_doi_getdef(tmp_val);
136 goto add_free_domain;
137 entry->family = AF_INET;
138 entry->def.cipso = cipsov4;
140 #if IS_ENABLED(CONFIG_IPV6)
141 case NETLBL_NLTYPE_CALIPSO:
142 if (!info->attrs[NLBL_MGMT_A_CLPDOI])
143 goto add_free_domain;
145 tmp_val = nla_get_u32(info->attrs[NLBL_MGMT_A_CLPDOI]);
146 calipso = calipso_doi_getdef(tmp_val);
148 goto add_free_domain;
149 entry->family = AF_INET6;
150 entry->def.calipso = calipso;
154 goto add_free_domain;
157 if ((entry->family == AF_INET && info->attrs[NLBL_MGMT_A_IPV6ADDR]) ||
158 (entry->family == AF_INET6 && info->attrs[NLBL_MGMT_A_IPV4ADDR]))
159 goto add_doi_put_def;
161 if (info->attrs[NLBL_MGMT_A_IPV4ADDR]) {
162 struct in_addr *addr;
163 struct in_addr *mask;
164 struct netlbl_domaddr4_map *map;
166 addrmap = kzalloc(sizeof(*addrmap), GFP_KERNEL);
167 if (addrmap == NULL) {
169 goto add_doi_put_def;
171 INIT_LIST_HEAD(&addrmap->list4);
172 INIT_LIST_HEAD(&addrmap->list6);
174 if (nla_len(info->attrs[NLBL_MGMT_A_IPV4ADDR]) !=
175 sizeof(struct in_addr)) {
177 goto add_free_addrmap;
179 if (nla_len(info->attrs[NLBL_MGMT_A_IPV4MASK]) !=
180 sizeof(struct in_addr)) {
182 goto add_free_addrmap;
184 addr = nla_data(info->attrs[NLBL_MGMT_A_IPV4ADDR]);
185 mask = nla_data(info->attrs[NLBL_MGMT_A_IPV4MASK]);
187 map = kzalloc(sizeof(*map), GFP_KERNEL);
190 goto add_free_addrmap;
192 map->list.addr = addr->s_addr & mask->s_addr;
193 map->list.mask = mask->s_addr;
195 map->def.type = entry->def.type;
197 map->def.cipso = cipsov4;
199 ret_val = netlbl_af4list_add(&map->list, &addrmap->list4);
202 goto add_free_addrmap;
205 entry->family = AF_INET;
206 entry->def.type = NETLBL_NLTYPE_ADDRSELECT;
207 entry->def.addrsel = addrmap;
208 #if IS_ENABLED(CONFIG_IPV6)
209 } else if (info->attrs[NLBL_MGMT_A_IPV6ADDR]) {
210 struct in6_addr *addr;
211 struct in6_addr *mask;
212 struct netlbl_domaddr6_map *map;
214 addrmap = kzalloc(sizeof(*addrmap), GFP_KERNEL);
215 if (addrmap == NULL) {
217 goto add_doi_put_def;
219 INIT_LIST_HEAD(&addrmap->list4);
220 INIT_LIST_HEAD(&addrmap->list6);
222 if (nla_len(info->attrs[NLBL_MGMT_A_IPV6ADDR]) !=
223 sizeof(struct in6_addr)) {
225 goto add_free_addrmap;
227 if (nla_len(info->attrs[NLBL_MGMT_A_IPV6MASK]) !=
228 sizeof(struct in6_addr)) {
230 goto add_free_addrmap;
232 addr = nla_data(info->attrs[NLBL_MGMT_A_IPV6ADDR]);
233 mask = nla_data(info->attrs[NLBL_MGMT_A_IPV6MASK]);
235 map = kzalloc(sizeof(*map), GFP_KERNEL);
238 goto add_free_addrmap;
240 map->list.addr = *addr;
241 map->list.addr.s6_addr32[0] &= mask->s6_addr32[0];
242 map->list.addr.s6_addr32[1] &= mask->s6_addr32[1];
243 map->list.addr.s6_addr32[2] &= mask->s6_addr32[2];
244 map->list.addr.s6_addr32[3] &= mask->s6_addr32[3];
245 map->list.mask = *mask;
247 map->def.type = entry->def.type;
249 map->def.calipso = calipso;
251 ret_val = netlbl_af6list_add(&map->list, &addrmap->list6);
254 goto add_free_addrmap;
257 entry->family = AF_INET6;
258 entry->def.type = NETLBL_NLTYPE_ADDRSELECT;
259 entry->def.addrsel = addrmap;
263 ret_val = netlbl_domhsh_add(entry, audit_info);
265 goto add_free_addrmap;
272 cipso_v4_doi_putdef(cipsov4);
273 #if IS_ENABLED(CONFIG_IPV6)
274 calipso_doi_putdef(calipso);
277 kfree(entry->domain);
284 * netlbl_mgmt_listentry - List a NetLabel/LSM domain map entry
285 * @skb: the NETLINK buffer
286 * @entry: the map entry
289 * This function is a helper function used by the LISTALL and LISTDEF command
290 * handlers. The caller is responsible for ensuring that the RCU read lock
291 * is held. Returns zero on success, negative values on failure.
294 static int netlbl_mgmt_listentry(struct sk_buff *skb,
295 struct netlbl_dom_map *entry)
298 struct nlattr *nla_a;
299 struct nlattr *nla_b;
300 struct netlbl_af4list *iter4;
301 #if IS_ENABLED(CONFIG_IPV6)
302 struct netlbl_af6list *iter6;
305 if (entry->domain != NULL) {
306 ret_val = nla_put_string(skb,
307 NLBL_MGMT_A_DOMAIN, entry->domain);
312 ret_val = nla_put_u16(skb, NLBL_MGMT_A_FAMILY, entry->family);
316 switch (entry->def.type) {
317 case NETLBL_NLTYPE_ADDRSELECT:
318 nla_a = nla_nest_start_noflag(skb, NLBL_MGMT_A_SELECTORLIST);
322 netlbl_af4list_foreach_rcu(iter4, &entry->def.addrsel->list4) {
323 struct netlbl_domaddr4_map *map4;
324 struct in_addr addr_struct;
326 nla_b = nla_nest_start_noflag(skb,
327 NLBL_MGMT_A_ADDRSELECTOR);
331 addr_struct.s_addr = iter4->addr;
332 ret_val = nla_put_in_addr(skb, NLBL_MGMT_A_IPV4ADDR,
336 addr_struct.s_addr = iter4->mask;
337 ret_val = nla_put_in_addr(skb, NLBL_MGMT_A_IPV4MASK,
341 map4 = netlbl_domhsh_addr4_entry(iter4);
342 ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL,
346 switch (map4->def.type) {
347 case NETLBL_NLTYPE_CIPSOV4:
348 ret_val = nla_put_u32(skb, NLBL_MGMT_A_CV4DOI,
349 map4->def.cipso->doi);
355 nla_nest_end(skb, nla_b);
357 #if IS_ENABLED(CONFIG_IPV6)
358 netlbl_af6list_foreach_rcu(iter6, &entry->def.addrsel->list6) {
359 struct netlbl_domaddr6_map *map6;
361 nla_b = nla_nest_start_noflag(skb,
362 NLBL_MGMT_A_ADDRSELECTOR);
366 ret_val = nla_put_in6_addr(skb, NLBL_MGMT_A_IPV6ADDR,
370 ret_val = nla_put_in6_addr(skb, NLBL_MGMT_A_IPV6MASK,
374 map6 = netlbl_domhsh_addr6_entry(iter6);
375 ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL,
380 switch (map6->def.type) {
381 case NETLBL_NLTYPE_CALIPSO:
382 ret_val = nla_put_u32(skb, NLBL_MGMT_A_CLPDOI,
383 map6->def.calipso->doi);
389 nla_nest_end(skb, nla_b);
393 nla_nest_end(skb, nla_a);
395 case NETLBL_NLTYPE_UNLABELED:
396 ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL,
399 case NETLBL_NLTYPE_CIPSOV4:
400 ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL,
404 ret_val = nla_put_u32(skb, NLBL_MGMT_A_CV4DOI,
405 entry->def.cipso->doi);
407 case NETLBL_NLTYPE_CALIPSO:
408 ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL,
412 ret_val = nla_put_u32(skb, NLBL_MGMT_A_CLPDOI,
413 entry->def.calipso->doi);
421 * NetLabel Command Handlers
425 * netlbl_mgmt_add - Handle an ADD message
426 * @skb: the NETLINK buffer
427 * @info: the Generic NETLINK info block
430 * Process a user generated ADD message and add the domains from the message
431 * to the hash table. See netlabel.h for a description of the message format.
432 * Returns zero on success, negative values on failure.
435 static int netlbl_mgmt_add(struct sk_buff *skb, struct genl_info *info)
437 struct netlbl_audit audit_info;
439 if ((!info->attrs[NLBL_MGMT_A_DOMAIN]) ||
440 (!info->attrs[NLBL_MGMT_A_PROTOCOL]) ||
441 (info->attrs[NLBL_MGMT_A_IPV4ADDR] &&
442 info->attrs[NLBL_MGMT_A_IPV6ADDR]) ||
443 (info->attrs[NLBL_MGMT_A_IPV4MASK] &&
444 info->attrs[NLBL_MGMT_A_IPV6MASK]) ||
445 ((info->attrs[NLBL_MGMT_A_IPV4ADDR] != NULL) ^
446 (info->attrs[NLBL_MGMT_A_IPV4MASK] != NULL)) ||
447 ((info->attrs[NLBL_MGMT_A_IPV6ADDR] != NULL) ^
448 (info->attrs[NLBL_MGMT_A_IPV6MASK] != NULL)))
451 netlbl_netlink_auditinfo(skb, &audit_info);
453 return netlbl_mgmt_add_common(info, &audit_info);
457 * netlbl_mgmt_remove - Handle a REMOVE message
458 * @skb: the NETLINK buffer
459 * @info: the Generic NETLINK info block
462 * Process a user generated REMOVE message and remove the specified domain
463 * mappings. Returns zero on success, negative values on failure.
466 static int netlbl_mgmt_remove(struct sk_buff *skb, struct genl_info *info)
469 struct netlbl_audit audit_info;
471 if (!info->attrs[NLBL_MGMT_A_DOMAIN])
474 netlbl_netlink_auditinfo(skb, &audit_info);
476 domain = nla_data(info->attrs[NLBL_MGMT_A_DOMAIN]);
477 return netlbl_domhsh_remove(domain, AF_UNSPEC, &audit_info);
481 * netlbl_mgmt_listall_cb - netlbl_domhsh_walk() callback for LISTALL
482 * @entry: the domain mapping hash table entry
483 * @arg: the netlbl_domhsh_walk_arg structure
486 * This function is designed to be used as a callback to the
487 * netlbl_domhsh_walk() function for use in generating a response for a LISTALL
488 * message. Returns the size of the message on success, negative values on
492 static int netlbl_mgmt_listall_cb(struct netlbl_dom_map *entry, void *arg)
494 int ret_val = -ENOMEM;
495 struct netlbl_domhsh_walk_arg *cb_arg = arg;
498 data = genlmsg_put(cb_arg->skb, NETLINK_CB(cb_arg->nl_cb->skb).portid,
499 cb_arg->seq, &netlbl_mgmt_gnl_family,
500 NLM_F_MULTI, NLBL_MGMT_C_LISTALL);
502 goto listall_cb_failure;
504 ret_val = netlbl_mgmt_listentry(cb_arg->skb, entry);
506 goto listall_cb_failure;
509 genlmsg_end(cb_arg->skb, data);
513 genlmsg_cancel(cb_arg->skb, data);
518 * netlbl_mgmt_listall - Handle a LISTALL message
519 * @skb: the NETLINK buffer
520 * @cb: the NETLINK callback
523 * Process a user generated LISTALL message and dumps the domain hash table in
524 * a form suitable for use in a kernel generated LISTALL message. Returns zero
525 * on success, negative values on failure.
528 static int netlbl_mgmt_listall(struct sk_buff *skb,
529 struct netlink_callback *cb)
531 struct netlbl_domhsh_walk_arg cb_arg;
532 u32 skip_bkt = cb->args[0];
533 u32 skip_chain = cb->args[1];
537 cb_arg.seq = cb->nlh->nlmsg_seq;
539 netlbl_domhsh_walk(&skip_bkt,
541 netlbl_mgmt_listall_cb,
544 cb->args[0] = skip_bkt;
545 cb->args[1] = skip_chain;
550 * netlbl_mgmt_adddef - Handle an ADDDEF message
551 * @skb: the NETLINK buffer
552 * @info: the Generic NETLINK info block
555 * Process a user generated ADDDEF message and respond accordingly. Returns
556 * zero on success, negative values on failure.
559 static int netlbl_mgmt_adddef(struct sk_buff *skb, struct genl_info *info)
561 struct netlbl_audit audit_info;
563 if ((!info->attrs[NLBL_MGMT_A_PROTOCOL]) ||
564 (info->attrs[NLBL_MGMT_A_IPV4ADDR] &&
565 info->attrs[NLBL_MGMT_A_IPV6ADDR]) ||
566 (info->attrs[NLBL_MGMT_A_IPV4MASK] &&
567 info->attrs[NLBL_MGMT_A_IPV6MASK]) ||
568 ((info->attrs[NLBL_MGMT_A_IPV4ADDR] != NULL) ^
569 (info->attrs[NLBL_MGMT_A_IPV4MASK] != NULL)) ||
570 ((info->attrs[NLBL_MGMT_A_IPV6ADDR] != NULL) ^
571 (info->attrs[NLBL_MGMT_A_IPV6MASK] != NULL)))
574 netlbl_netlink_auditinfo(skb, &audit_info);
576 return netlbl_mgmt_add_common(info, &audit_info);
580 * netlbl_mgmt_removedef - Handle a REMOVEDEF message
581 * @skb: the NETLINK buffer
582 * @info: the Generic NETLINK info block
585 * Process a user generated REMOVEDEF message and remove the default domain
586 * mapping. Returns zero on success, negative values on failure.
589 static int netlbl_mgmt_removedef(struct sk_buff *skb, struct genl_info *info)
591 struct netlbl_audit audit_info;
593 netlbl_netlink_auditinfo(skb, &audit_info);
595 return netlbl_domhsh_remove_default(AF_UNSPEC, &audit_info);
599 * netlbl_mgmt_listdef - Handle a LISTDEF message
600 * @skb: the NETLINK buffer
601 * @info: the Generic NETLINK info block
604 * Process a user generated LISTDEF message and dumps the default domain
605 * mapping in a form suitable for use in a kernel generated LISTDEF message.
606 * Returns zero on success, negative values on failure.
609 static int netlbl_mgmt_listdef(struct sk_buff *skb, struct genl_info *info)
611 int ret_val = -ENOMEM;
612 struct sk_buff *ans_skb = NULL;
614 struct netlbl_dom_map *entry;
617 if (info->attrs[NLBL_MGMT_A_FAMILY])
618 family = nla_get_u16(info->attrs[NLBL_MGMT_A_FAMILY]);
622 ans_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
625 data = genlmsg_put_reply(ans_skb, info, &netlbl_mgmt_gnl_family,
626 0, NLBL_MGMT_C_LISTDEF);
628 goto listdef_failure;
631 entry = netlbl_domhsh_getentry(NULL, family);
634 goto listdef_failure_lock;
636 ret_val = netlbl_mgmt_listentry(ans_skb, entry);
639 goto listdef_failure;
641 genlmsg_end(ans_skb, data);
642 return genlmsg_reply(ans_skb, info);
644 listdef_failure_lock:
652 * netlbl_mgmt_protocols_cb - Write an individual PROTOCOL message response
653 * @skb: the skb to write to
654 * @cb: the NETLINK callback
655 * @protocol: the NetLabel protocol to use in the message
658 * This function is to be used in conjunction with netlbl_mgmt_protocols() to
659 * answer a application's PROTOCOLS message. Returns the size of the message
660 * on success, negative values on failure.
663 static int netlbl_mgmt_protocols_cb(struct sk_buff *skb,
664 struct netlink_callback *cb,
667 int ret_val = -ENOMEM;
670 data = genlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq,
671 &netlbl_mgmt_gnl_family, NLM_F_MULTI,
672 NLBL_MGMT_C_PROTOCOLS);
674 goto protocols_cb_failure;
676 ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL, protocol);
678 goto protocols_cb_failure;
680 genlmsg_end(skb, data);
683 protocols_cb_failure:
684 genlmsg_cancel(skb, data);
689 * netlbl_mgmt_protocols - Handle a PROTOCOLS message
690 * @skb: the NETLINK buffer
691 * @cb: the NETLINK callback
694 * Process a user generated PROTOCOLS message and respond accordingly.
697 static int netlbl_mgmt_protocols(struct sk_buff *skb,
698 struct netlink_callback *cb)
700 u32 protos_sent = cb->args[0];
702 if (protos_sent == 0) {
703 if (netlbl_mgmt_protocols_cb(skb,
705 NETLBL_NLTYPE_UNLABELED) < 0)
706 goto protocols_return;
709 if (protos_sent == 1) {
710 if (netlbl_mgmt_protocols_cb(skb,
712 NETLBL_NLTYPE_CIPSOV4) < 0)
713 goto protocols_return;
716 #if IS_ENABLED(CONFIG_IPV6)
717 if (protos_sent == 2) {
718 if (netlbl_mgmt_protocols_cb(skb,
720 NETLBL_NLTYPE_CALIPSO) < 0)
721 goto protocols_return;
727 cb->args[0] = protos_sent;
732 * netlbl_mgmt_version - Handle a VERSION message
733 * @skb: the NETLINK buffer
734 * @info: the Generic NETLINK info block
737 * Process a user generated VERSION message and respond accordingly. Returns
738 * zero on success, negative values on failure.
741 static int netlbl_mgmt_version(struct sk_buff *skb, struct genl_info *info)
743 int ret_val = -ENOMEM;
744 struct sk_buff *ans_skb = NULL;
747 ans_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
750 data = genlmsg_put_reply(ans_skb, info, &netlbl_mgmt_gnl_family,
751 0, NLBL_MGMT_C_VERSION);
753 goto version_failure;
755 ret_val = nla_put_u32(ans_skb,
757 NETLBL_PROTO_VERSION);
759 goto version_failure;
761 genlmsg_end(ans_skb, data);
762 return genlmsg_reply(ans_skb, info);
771 * NetLabel Generic NETLINK Command Definitions
774 static const struct genl_ops netlbl_mgmt_genl_ops[] = {
776 .cmd = NLBL_MGMT_C_ADD,
777 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
778 .flags = GENL_ADMIN_PERM,
779 .doit = netlbl_mgmt_add,
783 .cmd = NLBL_MGMT_C_REMOVE,
784 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
785 .flags = GENL_ADMIN_PERM,
786 .doit = netlbl_mgmt_remove,
790 .cmd = NLBL_MGMT_C_LISTALL,
791 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
794 .dumpit = netlbl_mgmt_listall,
797 .cmd = NLBL_MGMT_C_ADDDEF,
798 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
799 .flags = GENL_ADMIN_PERM,
800 .doit = netlbl_mgmt_adddef,
804 .cmd = NLBL_MGMT_C_REMOVEDEF,
805 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
806 .flags = GENL_ADMIN_PERM,
807 .doit = netlbl_mgmt_removedef,
811 .cmd = NLBL_MGMT_C_LISTDEF,
812 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
814 .doit = netlbl_mgmt_listdef,
818 .cmd = NLBL_MGMT_C_PROTOCOLS,
819 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
822 .dumpit = netlbl_mgmt_protocols,
825 .cmd = NLBL_MGMT_C_VERSION,
826 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
828 .doit = netlbl_mgmt_version,
833 static struct genl_family netlbl_mgmt_gnl_family __ro_after_init = {
835 .name = NETLBL_NLTYPE_MGMT_NAME,
836 .version = NETLBL_PROTO_VERSION,
837 .maxattr = NLBL_MGMT_A_MAX,
838 .policy = netlbl_mgmt_genl_policy,
839 .module = THIS_MODULE,
840 .ops = netlbl_mgmt_genl_ops,
841 .n_ops = ARRAY_SIZE(netlbl_mgmt_genl_ops),
845 * NetLabel Generic NETLINK Protocol Functions
849 * netlbl_mgmt_genl_init - Register the NetLabel management component
852 * Register the NetLabel management component with the Generic NETLINK
853 * mechanism. Returns zero on success, negative values on failure.
856 int __init netlbl_mgmt_genl_init(void)
858 return genl_register_family(&netlbl_mgmt_gnl_family);