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30#include <linux/init.h>
31#include <linux/types.h>
32#include <linux/slab.h>
33#include <linux/audit.h>
34#include <linux/in.h>
35#include <linux/in6.h>
36#include <net/ip.h>
37#include <net/ipv6.h>
38#include <net/netlabel.h>
39#include <net/cipso_ipv4.h>
40#include <asm/bug.h>
41#include <linux/atomic.h>
42
43#include "netlabel_domainhash.h"
44#include "netlabel_unlabeled.h"
45#include "netlabel_cipso_v4.h"
46#include "netlabel_user.h"
47#include "netlabel_mgmt.h"
48#include "netlabel_addrlist.h"
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68int netlbl_cfg_map_del(const char *domain,
69 u16 family,
70 const void *addr,
71 const void *mask,
72 struct netlbl_audit *audit_info)
73{
74 if (addr == NULL && mask == NULL) {
75 return netlbl_domhsh_remove(domain, audit_info);
76 } else if (addr != NULL && mask != NULL) {
77 switch (family) {
78 case AF_INET:
79 return netlbl_domhsh_remove_af4(domain, addr, mask,
80 audit_info);
81 default:
82 return -EPFNOSUPPORT;
83 }
84 } else
85 return -EINVAL;
86}
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102int netlbl_cfg_unlbl_map_add(const char *domain,
103 u16 family,
104 const void *addr,
105 const void *mask,
106 struct netlbl_audit *audit_info)
107{
108 int ret_val = -ENOMEM;
109 struct netlbl_dom_map *entry;
110 struct netlbl_domaddr_map *addrmap = NULL;
111 struct netlbl_domaddr4_map *map4 = NULL;
112 struct netlbl_domaddr6_map *map6 = NULL;
113
114 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
115 if (entry == NULL)
116 return -ENOMEM;
117 if (domain != NULL) {
118 entry->domain = kstrdup(domain, GFP_ATOMIC);
119 if (entry->domain == NULL)
120 goto cfg_unlbl_map_add_failure;
121 }
122
123 if (addr == NULL && mask == NULL)
124 entry->def.type = NETLBL_NLTYPE_UNLABELED;
125 else if (addr != NULL && mask != NULL) {
126 addrmap = kzalloc(sizeof(*addrmap), GFP_ATOMIC);
127 if (addrmap == NULL)
128 goto cfg_unlbl_map_add_failure;
129 INIT_LIST_HEAD(&addrmap->list4);
130 INIT_LIST_HEAD(&addrmap->list6);
131
132 switch (family) {
133 case AF_INET: {
134 const struct in_addr *addr4 = addr;
135 const struct in_addr *mask4 = mask;
136 map4 = kzalloc(sizeof(*map4), GFP_ATOMIC);
137 if (map4 == NULL)
138 goto cfg_unlbl_map_add_failure;
139 map4->def.type = NETLBL_NLTYPE_UNLABELED;
140 map4->list.addr = addr4->s_addr & mask4->s_addr;
141 map4->list.mask = mask4->s_addr;
142 map4->list.valid = 1;
143 ret_val = netlbl_af4list_add(&map4->list,
144 &addrmap->list4);
145 if (ret_val != 0)
146 goto cfg_unlbl_map_add_failure;
147 break;
148 }
149#if IS_ENABLED(CONFIG_IPV6)
150 case AF_INET6: {
151 const struct in6_addr *addr6 = addr;
152 const struct in6_addr *mask6 = mask;
153 map6 = kzalloc(sizeof(*map6), GFP_ATOMIC);
154 if (map6 == NULL)
155 goto cfg_unlbl_map_add_failure;
156 map6->def.type = NETLBL_NLTYPE_UNLABELED;
157 map6->list.addr = *addr6;
158 map6->list.addr.s6_addr32[0] &= mask6->s6_addr32[0];
159 map6->list.addr.s6_addr32[1] &= mask6->s6_addr32[1];
160 map6->list.addr.s6_addr32[2] &= mask6->s6_addr32[2];
161 map6->list.addr.s6_addr32[3] &= mask6->s6_addr32[3];
162 map6->list.mask = *mask6;
163 map6->list.valid = 1;
164 ret_val = netlbl_af6list_add(&map6->list,
165 &addrmap->list6);
166 if (ret_val != 0)
167 goto cfg_unlbl_map_add_failure;
168 break;
169 }
170#endif
171 default:
172 goto cfg_unlbl_map_add_failure;
173 break;
174 }
175
176 entry->def.addrsel = addrmap;
177 entry->def.type = NETLBL_NLTYPE_ADDRSELECT;
178 } else {
179 ret_val = -EINVAL;
180 goto cfg_unlbl_map_add_failure;
181 }
182
183 ret_val = netlbl_domhsh_add(entry, audit_info);
184 if (ret_val != 0)
185 goto cfg_unlbl_map_add_failure;
186
187 return 0;
188
189cfg_unlbl_map_add_failure:
190 kfree(entry->domain);
191 kfree(entry);
192 kfree(addrmap);
193 kfree(map4);
194 kfree(map6);
195 return ret_val;
196}
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199
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208
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214
215int netlbl_cfg_unlbl_static_add(struct net *net,
216 const char *dev_name,
217 const void *addr,
218 const void *mask,
219 u16 family,
220 u32 secid,
221 struct netlbl_audit *audit_info)
222{
223 u32 addr_len;
224
225 switch (family) {
226 case AF_INET:
227 addr_len = sizeof(struct in_addr);
228 break;
229#if IS_ENABLED(CONFIG_IPV6)
230 case AF_INET6:
231 addr_len = sizeof(struct in6_addr);
232 break;
233#endif
234 default:
235 return -EPFNOSUPPORT;
236 }
237
238 return netlbl_unlhsh_add(net,
239 dev_name, addr, mask, addr_len,
240 secid, audit_info);
241}
242
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245
246
247
248
249
250
251
252
253
254
255
256
257
258
259int netlbl_cfg_unlbl_static_del(struct net *net,
260 const char *dev_name,
261 const void *addr,
262 const void *mask,
263 u16 family,
264 struct netlbl_audit *audit_info)
265{
266 u32 addr_len;
267
268 switch (family) {
269 case AF_INET:
270 addr_len = sizeof(struct in_addr);
271 break;
272#if IS_ENABLED(CONFIG_IPV6)
273 case AF_INET6:
274 addr_len = sizeof(struct in6_addr);
275 break;
276#endif
277 default:
278 return -EPFNOSUPPORT;
279 }
280
281 return netlbl_unlhsh_remove(net,
282 dev_name, addr, mask, addr_len,
283 audit_info);
284}
285
286
287
288
289
290
291
292
293
294
295
296int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def,
297 struct netlbl_audit *audit_info)
298{
299 return cipso_v4_doi_add(doi_def, audit_info);
300}
301
302
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304
305
306
307
308
309
310
311
312void netlbl_cfg_cipsov4_del(u32 doi, struct netlbl_audit *audit_info)
313{
314 cipso_v4_doi_remove(doi, audit_info);
315}
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331int netlbl_cfg_cipsov4_map_add(u32 doi,
332 const char *domain,
333 const struct in_addr *addr,
334 const struct in_addr *mask,
335 struct netlbl_audit *audit_info)
336{
337 int ret_val = -ENOMEM;
338 struct cipso_v4_doi *doi_def;
339 struct netlbl_dom_map *entry;
340 struct netlbl_domaddr_map *addrmap = NULL;
341 struct netlbl_domaddr4_map *addrinfo = NULL;
342
343 doi_def = cipso_v4_doi_getdef(doi);
344 if (doi_def == NULL)
345 return -ENOENT;
346
347 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
348 if (entry == NULL)
349 goto out_entry;
350 if (domain != NULL) {
351 entry->domain = kstrdup(domain, GFP_ATOMIC);
352 if (entry->domain == NULL)
353 goto out_domain;
354 }
355
356 if (addr == NULL && mask == NULL) {
357 entry->def.cipso = doi_def;
358 entry->def.type = NETLBL_NLTYPE_CIPSOV4;
359 } else if (addr != NULL && mask != NULL) {
360 addrmap = kzalloc(sizeof(*addrmap), GFP_ATOMIC);
361 if (addrmap == NULL)
362 goto out_addrmap;
363 INIT_LIST_HEAD(&addrmap->list4);
364 INIT_LIST_HEAD(&addrmap->list6);
365
366 addrinfo = kzalloc(sizeof(*addrinfo), GFP_ATOMIC);
367 if (addrinfo == NULL)
368 goto out_addrinfo;
369 addrinfo->def.cipso = doi_def;
370 addrinfo->def.type = NETLBL_NLTYPE_CIPSOV4;
371 addrinfo->list.addr = addr->s_addr & mask->s_addr;
372 addrinfo->list.mask = mask->s_addr;
373 addrinfo->list.valid = 1;
374 ret_val = netlbl_af4list_add(&addrinfo->list, &addrmap->list4);
375 if (ret_val != 0)
376 goto cfg_cipsov4_map_add_failure;
377
378 entry->def.addrsel = addrmap;
379 entry->def.type = NETLBL_NLTYPE_ADDRSELECT;
380 } else {
381 ret_val = -EINVAL;
382 goto out_addrmap;
383 }
384
385 ret_val = netlbl_domhsh_add(entry, audit_info);
386 if (ret_val != 0)
387 goto cfg_cipsov4_map_add_failure;
388
389 return 0;
390
391cfg_cipsov4_map_add_failure:
392 kfree(addrinfo);
393out_addrinfo:
394 kfree(addrmap);
395out_addrmap:
396 kfree(entry->domain);
397out_domain:
398 kfree(entry);
399out_entry:
400 cipso_v4_doi_putdef(doi_def);
401 return ret_val;
402}
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404
405
406
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412
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416
417
418int netlbl_secattr_catmap_walk(struct netlbl_lsm_secattr_catmap *catmap,
419 u32 offset)
420{
421 struct netlbl_lsm_secattr_catmap *iter = catmap;
422 u32 node_idx;
423 u32 node_bit;
424 NETLBL_CATMAP_MAPTYPE bitmap;
425
426 if (offset > iter->startbit) {
427 while (offset >= (iter->startbit + NETLBL_CATMAP_SIZE)) {
428 iter = iter->next;
429 if (iter == NULL)
430 return -ENOENT;
431 }
432 node_idx = (offset - iter->startbit) / NETLBL_CATMAP_MAPSIZE;
433 node_bit = offset - iter->startbit -
434 (NETLBL_CATMAP_MAPSIZE * node_idx);
435 } else {
436 node_idx = 0;
437 node_bit = 0;
438 }
439 bitmap = iter->bitmap[node_idx] >> node_bit;
440
441 for (;;) {
442 if (bitmap != 0) {
443 while ((bitmap & NETLBL_CATMAP_BIT) == 0) {
444 bitmap >>= 1;
445 node_bit++;
446 }
447 return iter->startbit +
448 (NETLBL_CATMAP_MAPSIZE * node_idx) + node_bit;
449 }
450 if (++node_idx >= NETLBL_CATMAP_MAPCNT) {
451 if (iter->next != NULL) {
452 iter = iter->next;
453 node_idx = 0;
454 } else
455 return -ENOENT;
456 }
457 bitmap = iter->bitmap[node_idx];
458 node_bit = 0;
459 }
460
461 return -ENOENT;
462}
463
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472
473
474
475int netlbl_secattr_catmap_walk_rng(struct netlbl_lsm_secattr_catmap *catmap,
476 u32 offset)
477{
478 struct netlbl_lsm_secattr_catmap *iter = catmap;
479 u32 node_idx;
480 u32 node_bit;
481 NETLBL_CATMAP_MAPTYPE bitmask;
482 NETLBL_CATMAP_MAPTYPE bitmap;
483
484 if (offset > iter->startbit) {
485 while (offset >= (iter->startbit + NETLBL_CATMAP_SIZE)) {
486 iter = iter->next;
487 if (iter == NULL)
488 return -ENOENT;
489 }
490 node_idx = (offset - iter->startbit) / NETLBL_CATMAP_MAPSIZE;
491 node_bit = offset - iter->startbit -
492 (NETLBL_CATMAP_MAPSIZE * node_idx);
493 } else {
494 node_idx = 0;
495 node_bit = 0;
496 }
497 bitmask = NETLBL_CATMAP_BIT << node_bit;
498
499 for (;;) {
500 bitmap = iter->bitmap[node_idx];
501 while (bitmask != 0 && (bitmap & bitmask) != 0) {
502 bitmask <<= 1;
503 node_bit++;
504 }
505
506 if (bitmask != 0)
507 return iter->startbit +
508 (NETLBL_CATMAP_MAPSIZE * node_idx) +
509 node_bit - 1;
510 else if (++node_idx >= NETLBL_CATMAP_MAPCNT) {
511 if (iter->next == NULL)
512 return iter->startbit + NETLBL_CATMAP_SIZE - 1;
513 iter = iter->next;
514 node_idx = 0;
515 }
516 bitmask = NETLBL_CATMAP_BIT;
517 node_bit = 0;
518 }
519
520 return -ENOENT;
521}
522
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531
532
533
534int netlbl_secattr_catmap_setbit(struct netlbl_lsm_secattr_catmap *catmap,
535 u32 bit,
536 gfp_t flags)
537{
538 struct netlbl_lsm_secattr_catmap *iter = catmap;
539 u32 node_bit;
540 u32 node_idx;
541
542 while (iter->next != NULL &&
543 bit >= (iter->startbit + NETLBL_CATMAP_SIZE))
544 iter = iter->next;
545 if (bit >= (iter->startbit + NETLBL_CATMAP_SIZE)) {
546 iter->next = netlbl_secattr_catmap_alloc(flags);
547 if (iter->next == NULL)
548 return -ENOMEM;
549 iter = iter->next;
550 iter->startbit = bit & ~(NETLBL_CATMAP_SIZE - 1);
551 }
552
553
554 node_idx = (bit - iter->startbit) / NETLBL_CATMAP_MAPSIZE;
555 node_bit = bit - iter->startbit - (NETLBL_CATMAP_MAPSIZE * node_idx);
556 iter->bitmap[node_idx] |= NETLBL_CATMAP_BIT << node_bit;
557
558 return 0;
559}
560
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565
566
567
568
569
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571
572
573int netlbl_secattr_catmap_setrng(struct netlbl_lsm_secattr_catmap *catmap,
574 u32 start,
575 u32 end,
576 gfp_t flags)
577{
578 int ret_val = 0;
579 struct netlbl_lsm_secattr_catmap *iter = catmap;
580 u32 iter_max_spot;
581 u32 spot;
582
583
584
585
586
587
588
589 while (iter->next != NULL &&
590 start >= (iter->startbit + NETLBL_CATMAP_SIZE))
591 iter = iter->next;
592 iter_max_spot = iter->startbit + NETLBL_CATMAP_SIZE;
593
594 for (spot = start; spot <= end && ret_val == 0; spot++) {
595 if (spot >= iter_max_spot && iter->next != NULL) {
596 iter = iter->next;
597 iter_max_spot = iter->startbit + NETLBL_CATMAP_SIZE;
598 }
599 ret_val = netlbl_secattr_catmap_setbit(iter, spot, flags);
600 }
601
602 return ret_val;
603}
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619
620
621int netlbl_enabled(void)
622{
623
624
625
626 return (atomic_read(&netlabel_mgmt_protocount) > 0);
627}
628
629
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631
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639
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642
643
644int netlbl_sock_setattr(struct sock *sk,
645 u16 family,
646 const struct netlbl_lsm_secattr *secattr)
647{
648 int ret_val;
649 struct netlbl_dom_map *dom_entry;
650
651 rcu_read_lock();
652 dom_entry = netlbl_domhsh_getentry(secattr->domain);
653 if (dom_entry == NULL) {
654 ret_val = -ENOENT;
655 goto socket_setattr_return;
656 }
657 switch (family) {
658 case AF_INET:
659 switch (dom_entry->def.type) {
660 case NETLBL_NLTYPE_ADDRSELECT:
661 ret_val = -EDESTADDRREQ;
662 break;
663 case NETLBL_NLTYPE_CIPSOV4:
664 ret_val = cipso_v4_sock_setattr(sk,
665 dom_entry->def.cipso,
666 secattr);
667 break;
668 case NETLBL_NLTYPE_UNLABELED:
669 ret_val = 0;
670 break;
671 default:
672 ret_val = -ENOENT;
673 }
674 break;
675#if IS_ENABLED(CONFIG_IPV6)
676 case AF_INET6:
677
678
679 ret_val = 0;
680 break;
681#endif
682 default:
683 ret_val = -EPROTONOSUPPORT;
684 }
685
686socket_setattr_return:
687 rcu_read_unlock();
688 return ret_val;
689}
690
691
692
693
694
695
696
697
698
699
700void netlbl_sock_delattr(struct sock *sk)
701{
702 cipso_v4_sock_delattr(sk);
703}
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712
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715
716
717int netlbl_sock_getattr(struct sock *sk,
718 struct netlbl_lsm_secattr *secattr)
719{
720 int ret_val;
721
722 switch (sk->sk_family) {
723 case AF_INET:
724 ret_val = cipso_v4_sock_getattr(sk, secattr);
725 break;
726#if IS_ENABLED(CONFIG_IPV6)
727 case AF_INET6:
728 ret_val = -ENOMSG;
729 break;
730#endif
731 default:
732 ret_val = -EPROTONOSUPPORT;
733 }
734
735 return ret_val;
736}
737
738
739
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741
742
743
744
745
746
747
748
749
750int netlbl_conn_setattr(struct sock *sk,
751 struct sockaddr *addr,
752 const struct netlbl_lsm_secattr *secattr)
753{
754 int ret_val;
755 struct sockaddr_in *addr4;
756 struct netlbl_dommap_def *entry;
757
758 rcu_read_lock();
759 switch (addr->sa_family) {
760 case AF_INET:
761 addr4 = (struct sockaddr_in *)addr;
762 entry = netlbl_domhsh_getentry_af4(secattr->domain,
763 addr4->sin_addr.s_addr);
764 if (entry == NULL) {
765 ret_val = -ENOENT;
766 goto conn_setattr_return;
767 }
768 switch (entry->type) {
769 case NETLBL_NLTYPE_CIPSOV4:
770 ret_val = cipso_v4_sock_setattr(sk,
771 entry->cipso, secattr);
772 break;
773 case NETLBL_NLTYPE_UNLABELED:
774
775
776 cipso_v4_sock_delattr(sk);
777 ret_val = 0;
778 break;
779 default:
780 ret_val = -ENOENT;
781 }
782 break;
783#if IS_ENABLED(CONFIG_IPV6)
784 case AF_INET6:
785
786
787 ret_val = 0;
788 break;
789#endif
790 default:
791 ret_val = -EPROTONOSUPPORT;
792 }
793
794conn_setattr_return:
795 rcu_read_unlock();
796 return ret_val;
797}
798
799
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807
808
809int netlbl_req_setattr(struct request_sock *req,
810 const struct netlbl_lsm_secattr *secattr)
811{
812 int ret_val;
813 struct netlbl_dommap_def *entry;
814
815 rcu_read_lock();
816 switch (req->rsk_ops->family) {
817 case AF_INET:
818 entry = netlbl_domhsh_getentry_af4(secattr->domain,
819 inet_rsk(req)->ir_rmt_addr);
820 if (entry == NULL) {
821 ret_val = -ENOENT;
822 goto req_setattr_return;
823 }
824 switch (entry->type) {
825 case NETLBL_NLTYPE_CIPSOV4:
826 ret_val = cipso_v4_req_setattr(req,
827 entry->cipso, secattr);
828 break;
829 case NETLBL_NLTYPE_UNLABELED:
830
831
832 cipso_v4_req_delattr(req);
833 ret_val = 0;
834 break;
835 default:
836 ret_val = -ENOENT;
837 }
838 break;
839#if IS_ENABLED(CONFIG_IPV6)
840 case AF_INET6:
841
842
843 ret_val = 0;
844 break;
845#endif
846 default:
847 ret_val = -EPROTONOSUPPORT;
848 }
849
850req_setattr_return:
851 rcu_read_unlock();
852 return ret_val;
853}
854
855
856
857
858
859
860
861
862
863void netlbl_req_delattr(struct request_sock *req)
864{
865 cipso_v4_req_delattr(req);
866}
867
868
869
870
871
872
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877
878
879int netlbl_skbuff_setattr(struct sk_buff *skb,
880 u16 family,
881 const struct netlbl_lsm_secattr *secattr)
882{
883 int ret_val;
884 struct iphdr *hdr4;
885 struct netlbl_dommap_def *entry;
886
887 rcu_read_lock();
888 switch (family) {
889 case AF_INET:
890 hdr4 = ip_hdr(skb);
891 entry = netlbl_domhsh_getentry_af4(secattr->domain,hdr4->daddr);
892 if (entry == NULL) {
893 ret_val = -ENOENT;
894 goto skbuff_setattr_return;
895 }
896 switch (entry->type) {
897 case NETLBL_NLTYPE_CIPSOV4:
898 ret_val = cipso_v4_skbuff_setattr(skb, entry->cipso,
899 secattr);
900 break;
901 case NETLBL_NLTYPE_UNLABELED:
902
903
904 ret_val = cipso_v4_skbuff_delattr(skb);
905 break;
906 default:
907 ret_val = -ENOENT;
908 }
909 break;
910#if IS_ENABLED(CONFIG_IPV6)
911 case AF_INET6:
912
913
914 ret_val = 0;
915 break;
916#endif
917 default:
918 ret_val = -EPROTONOSUPPORT;
919 }
920
921skbuff_setattr_return:
922 rcu_read_unlock();
923 return ret_val;
924}
925
926
927
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930
931
932
933
934
935
936
937
938
939int netlbl_skbuff_getattr(const struct sk_buff *skb,
940 u16 family,
941 struct netlbl_lsm_secattr *secattr)
942{
943 switch (family) {
944 case AF_INET:
945 if (CIPSO_V4_OPTEXIST(skb) &&
946 cipso_v4_skbuff_getattr(skb, secattr) == 0)
947 return 0;
948 break;
949#if IS_ENABLED(CONFIG_IPV6)
950 case AF_INET6:
951 break;
952#endif
953 }
954
955 return netlbl_unlabel_getattr(skb, family, secattr);
956}
957
958
959
960
961
962
963
964
965
966
967
968
969
970void netlbl_skbuff_err(struct sk_buff *skb, int error, int gateway)
971{
972 if (CIPSO_V4_OPTEXIST(skb))
973 cipso_v4_error(skb, error, gateway);
974}
975
976
977
978
979
980
981
982
983
984
985void netlbl_cache_invalidate(void)
986{
987 cipso_v4_cache_invalidate();
988}
989
990
991
992
993
994
995
996
997
998
999
1000
1001int netlbl_cache_add(const struct sk_buff *skb,
1002 const struct netlbl_lsm_secattr *secattr)
1003{
1004 if ((secattr->flags & NETLBL_SECATTR_CACHE) == 0)
1005 return -ENOMSG;
1006
1007 if (CIPSO_V4_OPTEXIST(skb))
1008 return cipso_v4_cache_add(skb, secattr);
1009
1010 return -ENOMSG;
1011}
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029struct audit_buffer *netlbl_audit_start(int type,
1030 struct netlbl_audit *audit_info)
1031{
1032 return netlbl_audit_start_common(type, audit_info);
1033}
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046static int __init netlbl_init(void)
1047{
1048 int ret_val;
1049
1050 printk(KERN_INFO "NetLabel: Initializing\n");
1051 printk(KERN_INFO "NetLabel: domain hash size = %u\n",
1052 (1 << NETLBL_DOMHSH_BITSIZE));
1053 printk(KERN_INFO "NetLabel: protocols ="
1054 " UNLABELED"
1055 " CIPSOv4"
1056 "\n");
1057
1058 ret_val = netlbl_domhsh_init(NETLBL_DOMHSH_BITSIZE);
1059 if (ret_val != 0)
1060 goto init_failure;
1061
1062 ret_val = netlbl_unlabel_init(NETLBL_UNLHSH_BITSIZE);
1063 if (ret_val != 0)
1064 goto init_failure;
1065
1066 ret_val = netlbl_netlink_init();
1067 if (ret_val != 0)
1068 goto init_failure;
1069
1070 ret_val = netlbl_unlabel_defconf();
1071 if (ret_val != 0)
1072 goto init_failure;
1073 printk(KERN_INFO "NetLabel: unlabeled traffic allowed by default\n");
1074
1075 return 0;
1076
1077init_failure:
1078 panic("NetLabel: failed to initialize properly (%d)\n", ret_val);
1079}
1080
1081subsys_initcall(netlbl_init);
1082