123 #include <netlink-private/netlink.h> 124 #include <netlink/netlink.h> 125 #include <netlink/cache.h> 126 #include <netlink/object.h> 127 #include <netlink/xfrm/ae.h> 128 #include <linux/xfrm.h> 131 #define XFRM_AE_ATTR_DADDR 0x01 132 #define XFRM_AE_ATTR_SPI 0x02 133 #define XFRM_AE_ATTR_PROTO 0x04 134 #define XFRM_AE_ATTR_SADDR 0x08 135 #define XFRM_AE_ATTR_FLAGS 0x10 136 #define XFRM_AE_ATTR_REQID 0x20 137 #define XFRM_AE_ATTR_MARK 0x40 138 #define XFRM_AE_ATTR_LIFETIME 0x80 139 #define XFRM_AE_ATTR_REPLAY_MAXAGE 0x100 140 #define XFRM_AE_ATTR_REPLAY_MAXDIFF 0x200 141 #define XFRM_AE_ATTR_REPLAY_STATE 0x400 142 #define XFRM_AE_ATTR_FAMILY 0x800 144 static struct nl_object_ops xfrm_ae_obj_ops;
148 static void xfrm_ae_free_data(
struct nl_object *c)
150 struct xfrmnl_ae* ae = nl_object_priv (c);
158 if (ae->replay_state_esn)
159 free (ae->replay_state_esn);
162 static int xfrm_ae_clone(
struct nl_object *_dst,
struct nl_object *_src)
164 struct xfrmnl_ae* dst = nl_object_priv(_dst);
165 struct xfrmnl_ae* src = nl_object_priv(_src);
167 if (src->sa_id.daddr)
168 if ((dst->sa_id.daddr =
nl_addr_clone (src->sa_id.daddr)) == NULL)
175 if (src->replay_state_esn)
177 uint32_t len =
sizeof (
struct xfrmnl_replay_state_esn) + (sizeof (uint32_t) * src->replay_state_esn->bmp_len);
178 if ((dst->replay_state_esn = malloc (len)) == NULL)
180 memcpy (dst->replay_state_esn, src->replay_state_esn, len);
186 static uint64_t xfrm_ae_compare(
struct nl_object *_a,
struct nl_object *_b,
187 uint64_t attrs,
int flags)
189 struct xfrmnl_ae* a = (
struct xfrmnl_ae *) _a;
190 struct xfrmnl_ae* b = (
struct xfrmnl_ae *) _b;
194 #define XFRM_AE_DIFF(ATTR, EXPR) ATTR_DIFF(attrs, XFRM_AE_ATTR_##ATTR, a, b, EXPR) 195 diff |= XFRM_AE_DIFF(DADDR,
nl_addr_cmp(a->sa_id.daddr, b->sa_id.daddr));
196 diff |= XFRM_AE_DIFF(SPI, a->sa_id.spi != b->sa_id.spi);
197 diff |= XFRM_AE_DIFF(PROTO, a->sa_id.proto != b->sa_id.proto);
198 diff |= XFRM_AE_DIFF(SADDR,
nl_addr_cmp(a->saddr, b->saddr));
199 diff |= XFRM_AE_DIFF(FLAGS, a->flags != b->flags);
200 diff |= XFRM_AE_DIFF(REQID, a->reqid != b->reqid);
201 diff |= XFRM_AE_DIFF(MARK, (a->mark.v & a->mark.m) != (b->mark.v & b->mark.m));
202 diff |= XFRM_AE_DIFF(REPLAY_MAXAGE, a->replay_maxage != b->replay_maxage);
203 diff |= XFRM_AE_DIFF(REPLAY_MAXDIFF, a->replay_maxdiff != b->replay_maxdiff);
206 found = AVAILABLE_MISMATCH (a, b, XFRM_AE_ATTR_REPLAY_STATE);
209 if (((a->replay_state_esn != NULL) && (b->replay_state_esn == NULL)) ||
210 ((a->replay_state_esn == NULL) && (b->replay_state_esn != NULL)))
215 if (a->replay_state_esn)
217 if (a->replay_state_esn->bmp_len != b->replay_state_esn->bmp_len)
221 uint32_t len =
sizeof (
struct xfrmnl_replay_state_esn) + (sizeof (uint32_t) * a->replay_state_esn->bmp_len);
222 diff |= memcmp (a->replay_state_esn, b->replay_state_esn, len);
227 if ((a->replay_state.oseq != b->replay_state.oseq) ||
228 (a->replay_state.seq != b->replay_state.seq) ||
229 (a->replay_state.bitmap != b->replay_state.bitmap))
243 static const struct trans_tbl ae_attrs[] =
245 __ADD(XFRM_AE_ATTR_DADDR, daddr),
246 __ADD(XFRM_AE_ATTR_SPI, spi),
247 __ADD(XFRM_AE_ATTR_PROTO, protocol),
248 __ADD(XFRM_AE_ATTR_SADDR, saddr),
249 __ADD(XFRM_AE_ATTR_FLAGS, flags),
250 __ADD(XFRM_AE_ATTR_REQID, reqid),
251 __ADD(XFRM_AE_ATTR_MARK, mark),
252 __ADD(XFRM_AE_ATTR_LIFETIME, cur_lifetime),
253 __ADD(XFRM_AE_ATTR_REPLAY_MAXAGE, replay_maxage),
254 __ADD(XFRM_AE_ATTR_REPLAY_MAXDIFF, replay_maxdiff),
255 __ADD(XFRM_AE_ATTR_REPLAY_STATE, replay_state),
258 static char* xfrm_ae_attrs2str (
int attrs,
char *buf,
size_t len)
260 return __flags2str(attrs, buf, len, ae_attrs, ARRAY_SIZE(ae_attrs));
269 static const struct trans_tbl ae_flags[] = {
270 __ADD(XFRM_AE_UNSPEC, unspecified),
271 __ADD(XFRM_AE_RTHR, replay threshold),
272 __ADD(XFRM_AE_RVAL, replay value),
273 __ADD(XFRM_AE_LVAL, lifetime value),
274 __ADD(XFRM_AE_ETHR, expiry time threshold),
275 __ADD(XFRM_AE_CR, replay update event),
276 __ADD(XFRM_AE_CE, timer expiry event),
277 __ADD(XFRM_AE_CU, policy update event),
280 char* xfrmnl_ae_flags2str(
int flags,
char *buf,
size_t len)
282 return __flags2str (flags, buf, len, ae_flags, ARRAY_SIZE(ae_flags));
285 int xfrmnl_ae_str2flag(
const char *name)
287 return __str2flags(name, ae_flags, ARRAY_SIZE(ae_flags));
291 static void xfrm_ae_dump_line(
struct nl_object *a,
struct nl_dump_params *p)
293 char dst[INET6_ADDRSTRLEN+5], src[INET6_ADDRSTRLEN+5];
294 struct xfrmnl_ae* ae = (
struct xfrmnl_ae *) a;
295 char flags[128], buf[128];
296 time_t add_time, use_time;
297 struct tm *add_time_tm, *use_time_tm;
299 nl_dump_line(p,
"src %s dst %s \n",
nl_addr2str(ae->saddr, src,
sizeof(src)),
302 nl_dump_line(p,
"\tproto %s spi 0x%x reqid %u ",
303 nl_ip_proto2str (ae->sa_id.proto, buf, sizeof (buf)),
304 ae->sa_id.spi, ae->reqid);
306 xfrmnl_ae_flags2str(ae->flags, flags, sizeof (flags));
307 nl_dump_line(p,
"flags %s(0x%x) mark mask/value 0x%x/0x%x \n", flags,
308 ae->flags, ae->mark.m, ae->mark.v);
310 nl_dump_line(p,
"\tlifetime current: \n");
311 nl_dump_line(p,
"\t\tbytes %llu packets %llu \n", ae->lifetime_cur.bytes,
312 ae->lifetime_cur.packets);
313 if (ae->lifetime_cur.add_time != 0)
315 add_time = ae->lifetime_cur.add_time;
316 add_time_tm = gmtime (&add_time);
317 strftime (flags, 128,
"%Y-%m-%d %H-%M-%S", add_time_tm);
321 sprintf (flags,
"%s",
"-");
324 if (ae->lifetime_cur.use_time != 0)
326 use_time = ae->lifetime_cur.use_time;
327 use_time_tm = gmtime (&use_time);
328 strftime (buf, 128,
"%Y-%m-%d %H-%M-%S", use_time_tm);
332 sprintf (buf,
"%s",
"-");
334 nl_dump_line(p,
"\t\tadd_time: %s, use_time: %s\n", flags, buf);
336 nl_dump_line(p,
"\treplay info: \n");
337 nl_dump_line(p,
"\t\tmax age %u max diff %u \n", ae->replay_maxage, ae->replay_maxdiff);
339 nl_dump_line(p,
"\treplay state info: \n");
340 if (ae->replay_state_esn)
342 nl_dump_line(p,
"\t\toseq %u seq %u oseq_hi %u seq_hi %u replay window: %u \n",
343 ae->replay_state_esn->oseq, ae->replay_state_esn->seq,
344 ae->replay_state_esn->oseq_hi, ae->replay_state_esn->seq_hi,
345 ae->replay_state_esn->replay_window);
349 nl_dump_line(p,
"\t\toseq %u seq %u bitmap: %u \n", ae->replay_state.oseq,
350 ae->replay_state.seq, ae->replay_state.bitmap);
356 static void xfrm_ae_dump_details(
struct nl_object *a,
struct nl_dump_params *p)
358 xfrm_ae_dump_line(a, p);
361 static void xfrm_ae_dump_stats(
struct nl_object *a,
struct nl_dump_params *p)
363 xfrm_ae_dump_details(a, p);
367 static int build_xfrm_ae_message(
struct xfrmnl_ae *tmpl,
int cmd,
int flags,
368 struct nl_msg **result)
371 struct xfrm_aevent_id ae_id;
373 if (!(tmpl->ce_mask & XFRM_AE_ATTR_DADDR) ||
374 !(tmpl->ce_mask & XFRM_AE_ATTR_SPI) ||
375 !(tmpl->ce_mask & XFRM_AE_ATTR_PROTO))
376 return -NLE_MISSING_ATTR;
379 ae_id.sa_id.spi = htonl(tmpl->sa_id.spi);
380 ae_id.sa_id.family = tmpl->sa_id.family;
381 ae_id.sa_id.proto = tmpl->sa_id.proto;
383 if (tmpl->ce_mask & XFRM_AE_ATTR_SADDR)
386 if (tmpl->ce_mask & XFRM_AE_ATTR_FLAGS)
387 ae_id.flags = tmpl->flags;
389 if (tmpl->ce_mask & XFRM_AE_ATTR_REQID)
390 ae_id.reqid = tmpl->reqid;
396 if (
nlmsg_append(msg, &ae_id,
sizeof(ae_id), NLMSG_ALIGNTO) < 0)
397 goto nla_put_failure;
399 if (tmpl->ce_mask & XFRM_AE_ATTR_MARK)
400 NLA_PUT (msg, XFRMA_MARK,
sizeof (
struct xfrmnl_mark), &tmpl->mark);
402 if (tmpl->ce_mask & XFRM_AE_ATTR_LIFETIME)
403 NLA_PUT (msg, XFRMA_LTIME_VAL,
sizeof (
struct xfrmnl_lifetime_cur), &tmpl->lifetime_cur);
405 if (tmpl->ce_mask & XFRM_AE_ATTR_REPLAY_MAXAGE)
406 NLA_PUT_U32 (msg, XFRMA_ETIMER_THRESH, tmpl->replay_maxage);
408 if (tmpl->ce_mask & XFRM_AE_ATTR_REPLAY_MAXDIFF)
409 NLA_PUT_U32 (msg, XFRMA_REPLAY_THRESH, tmpl->replay_maxdiff);
411 if (tmpl->ce_mask & XFRM_AE_ATTR_REPLAY_STATE) {
412 if (tmpl->replay_state_esn) {
413 uint32_t len =
sizeof (
struct xfrm_replay_state_esn) + (sizeof (uint32_t) * tmpl->replay_state_esn->bmp_len);
414 NLA_PUT (msg, XFRMA_REPLAY_ESN_VAL, len, tmpl->replay_state_esn);
417 NLA_PUT (msg, XFRMA_REPLAY_VAL,
sizeof (
struct xfrmnl_replay_state), &tmpl->replay_state);
434 int xfrmnl_ae_set(
struct nl_sock* sk,
struct xfrmnl_ae* ae,
int flags)
439 if ((err = build_xfrm_ae_message(ae, XFRM_MSG_NEWAE, flags|NLM_F_REPLACE, &msg)) < 0)
457 struct xfrmnl_ae* xfrmnl_ae_alloc(
void)
462 void xfrmnl_ae_put(
struct xfrmnl_ae* ae)
469 static struct nla_policy xfrm_ae_policy[XFRMA_MAX+1] = {
470 [XFRMA_LTIME_VAL] = { .
minlen =
sizeof(
struct xfrm_lifetime_cur) },
471 [XFRMA_REPLAY_VAL] = { .minlen =
sizeof(
struct xfrm_replay_state) },
472 [XFRMA_REPLAY_THRESH] = { .type =
NLA_U32 },
473 [XFRMA_ETIMER_THRESH] = { .type =
NLA_U32 },
474 [XFRMA_SRCADDR] = { .minlen =
sizeof(xfrm_address_t) },
475 [XFRMA_MARK] = { .minlen =
sizeof(
struct xfrm_mark) },
476 [XFRMA_REPLAY_ESN_VAL] = { .minlen =
sizeof(
struct xfrm_replay_state_esn) },
479 int xfrmnl_ae_parse(
struct nlmsghdr *n,
struct xfrmnl_ae **result)
481 struct xfrmnl_ae* ae;
482 struct nlattr *tb[XFRMA_MAX + 1];
483 struct xfrm_aevent_id* ae_id;
486 ae = xfrmnl_ae_alloc();
492 ae->ce_msgtype = n->nlmsg_type;
495 err =
nlmsg_parse(n,
sizeof(
struct xfrm_aevent_id), tb, XFRMA_MAX, xfrm_ae_policy);
499 ae->sa_id.daddr =
nl_addr_build(ae_id->sa_id.family, &ae_id->sa_id.daddr, sizeof (ae_id->sa_id.daddr));
500 ae->sa_id.family= ae_id->sa_id.family;
501 ae->sa_id.spi = ntohl(ae_id->sa_id.spi);
502 ae->sa_id.proto = ae_id->sa_id.proto;
503 ae->saddr =
nl_addr_build(ae_id->sa_id.family, &ae_id->saddr, sizeof (ae_id->saddr));
504 ae->reqid = ae_id->reqid;
505 ae->flags = ae_id->flags;
506 ae->ce_mask |= (XFRM_AE_ATTR_DADDR | XFRM_AE_ATTR_FAMILY | XFRM_AE_ATTR_SPI |
507 XFRM_AE_ATTR_PROTO | XFRM_AE_ATTR_SADDR | XFRM_AE_ATTR_REQID |
510 if (tb[XFRMA_MARK]) {
511 struct xfrm_mark* m =
nla_data(tb[XFRMA_MARK]);
514 ae->ce_mask |= XFRM_AE_ATTR_MARK;
517 if (tb[XFRMA_LTIME_VAL]) {
518 struct xfrm_lifetime_cur* cur =
nla_data(tb[XFRMA_LTIME_VAL]);
519 ae->lifetime_cur.bytes = cur->bytes;
520 ae->lifetime_cur.packets = cur->packets;
521 ae->lifetime_cur.add_time = cur->add_time;
522 ae->lifetime_cur.use_time = cur->use_time;
523 ae->ce_mask |= XFRM_AE_ATTR_LIFETIME;
526 if (tb[XFRM_AE_ETHR]) {
527 ae->replay_maxage = *(uint32_t*)
nla_data(tb[XFRM_AE_ETHR]);
528 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_MAXAGE;
531 if (tb[XFRM_AE_RTHR]) {
532 ae->replay_maxdiff = *(uint32_t*)
nla_data(tb[XFRM_AE_RTHR]);
533 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_MAXDIFF;
536 if (tb[XFRMA_REPLAY_ESN_VAL]) {
537 struct xfrm_replay_state_esn* esn =
nla_data (tb[XFRMA_REPLAY_ESN_VAL]);
538 uint32_t len =
sizeof (
struct xfrmnl_replay_state_esn) + (sizeof (uint32_t) * esn->bmp_len);
540 if ((ae->replay_state_esn = calloc (1, len)) == NULL) {
544 ae->replay_state_esn->oseq = esn->oseq;
545 ae->replay_state_esn->seq = esn->seq;
546 ae->replay_state_esn->oseq_hi = esn->oseq_hi;
547 ae->replay_state_esn->seq_hi = esn->seq_hi;
548 ae->replay_state_esn->replay_window = esn->replay_window;
549 ae->replay_state_esn->bmp_len = esn->bmp_len;
550 memcpy (ae->replay_state_esn->bmp, esn->bmp, sizeof (uint32_t) * esn->bmp_len);
551 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_STATE;
555 struct xfrm_replay_state* replay_state =
nla_data (tb[XFRMA_REPLAY_VAL]);
556 ae->replay_state.oseq = replay_state->oseq;
557 ae->replay_state.seq = replay_state->seq;
558 ae->replay_state.bitmap = replay_state->bitmap;
559 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_STATE;
561 ae->replay_state_esn = NULL;
572 static int xfrm_ae_msg_parser(
struct nl_cache_ops *ops,
struct sockaddr_nl *who,
573 struct nlmsghdr *n,
struct nl_parser_param *pp)
575 struct xfrmnl_ae* ae;
578 if ((err = xfrmnl_ae_parse(n, &ae)) < 0)
581 err = pp->pp_cb((
struct nl_object *) ae, pp);
592 int xfrmnl_ae_build_get_request(
struct nl_addr* daddr,
unsigned int spi,
unsigned int protocol,
593 unsigned int mark_mask,
unsigned int mark_value,
struct nl_msg **result)
596 struct xfrm_aevent_id ae_id;
597 struct xfrmnl_mark mark;
601 fprintf(stderr,
"APPLICATION BUG: %s:%d:%s: A valid destination address, spi must be specified\n",
602 __FILE__, __LINE__, __func__);
604 return -NLE_MISSING_ATTR;
607 memset(&ae_id, 0,
sizeof(ae_id));
609 ae_id.sa_id.spi = htonl(spi);
611 ae_id.sa_id.proto = protocol;
616 if (
nlmsg_append(msg, &ae_id,
sizeof(ae_id), NLMSG_ALIGNTO) < 0)
617 goto nla_put_failure;
621 NLA_PUT (msg, XFRMA_MARK,
sizeof (
struct xfrmnl_mark), &mark);
631 int xfrmnl_ae_get_kernel(
struct nl_sock* sock,
struct nl_addr* daddr,
unsigned int spi,
unsigned int protocol,
632 unsigned int mark_mask,
unsigned int mark_value,
struct xfrmnl_ae** result)
634 struct nl_msg *msg = NULL;
635 struct nl_object *obj;
638 if ((err = xfrmnl_ae_build_get_request(daddr, spi, protocol, mark_mask, mark_value, &msg)) < 0)
646 if ((err =
nl_pickup(sock, &xfrm_ae_msg_parser, &obj)) < 0)
650 *result = (
struct xfrmnl_ae *) obj;
666 static inline int __assign_addr(
struct xfrmnl_ae* ae,
struct nl_addr **pos,
667 struct nl_addr *
new,
int flag,
int nocheck)
670 if (ae->ce_mask & XFRM_AE_ATTR_FAMILY) {
672 return -NLE_AF_MISMATCH;
675 ae->ce_mask |= XFRM_AE_ATTR_FAMILY;
691 struct nl_addr* xfrmnl_ae_get_daddr (
struct xfrmnl_ae* ae)
693 if (ae->ce_mask & XFRM_AE_ATTR_DADDR)
694 return ae->sa_id.daddr;
699 int xfrmnl_ae_set_daddr (
struct xfrmnl_ae* ae,
struct nl_addr* addr)
701 return __assign_addr(ae, &ae->sa_id.daddr, addr, XFRM_AE_ATTR_DADDR, 0);
704 int xfrmnl_ae_get_spi (
struct xfrmnl_ae* ae)
706 if (ae->ce_mask & XFRM_AE_ATTR_SPI)
707 return ae->sa_id.spi;
712 int xfrmnl_ae_set_spi (
struct xfrmnl_ae* ae,
unsigned int spi)
715 ae->ce_mask |= XFRM_AE_ATTR_SPI;
720 int xfrmnl_ae_get_family (
struct xfrmnl_ae* ae)
722 if (ae->ce_mask & XFRM_AE_ATTR_FAMILY)
723 return ae->sa_id.family;
728 int xfrmnl_ae_set_family (
struct xfrmnl_ae* ae,
unsigned int family)
730 ae->sa_id.family = family;
731 ae->ce_mask |= XFRM_AE_ATTR_FAMILY;
736 int xfrmnl_ae_get_proto (
struct xfrmnl_ae* ae)
738 if (ae->ce_mask & XFRM_AE_ATTR_PROTO)
739 return ae->sa_id.proto;
744 int xfrmnl_ae_set_proto (
struct xfrmnl_ae* ae,
unsigned int protocol)
746 ae->sa_id.proto = protocol;
747 ae->ce_mask |= XFRM_AE_ATTR_PROTO;
752 struct nl_addr* xfrmnl_ae_get_saddr (
struct xfrmnl_ae* ae)
754 if (ae->ce_mask & XFRM_AE_ATTR_SADDR)
760 int xfrmnl_ae_set_saddr (
struct xfrmnl_ae* ae,
struct nl_addr* addr)
762 return __assign_addr(ae, &ae->saddr, addr, XFRM_AE_ATTR_SADDR, 1);
765 int xfrmnl_ae_get_flags (
struct xfrmnl_ae* ae)
767 if (ae->ce_mask & XFRM_AE_ATTR_FLAGS)
773 int xfrmnl_ae_set_flags (
struct xfrmnl_ae* ae,
unsigned int flags)
776 ae->ce_mask |= XFRM_AE_ATTR_FLAGS;
781 int xfrmnl_ae_get_reqid (
struct xfrmnl_ae* ae)
783 if (ae->ce_mask & XFRM_AE_ATTR_REQID)
789 int xfrmnl_ae_set_reqid (
struct xfrmnl_ae* ae,
unsigned int reqid)
792 ae->ce_mask |= XFRM_AE_ATTR_REQID;
797 int xfrmnl_ae_get_mark (
struct xfrmnl_ae* ae,
unsigned int* mark_mask,
unsigned int* mark_value)
799 if (mark_mask == NULL || mark_value == NULL)
802 if (ae->ce_mask & XFRM_AE_ATTR_MARK)
804 *mark_mask = ae->mark.m;
805 *mark_value = ae->mark.v;
813 int xfrmnl_ae_set_mark (
struct xfrmnl_ae* ae,
unsigned int value,
unsigned int mask)
817 ae->ce_mask |= XFRM_AE_ATTR_MARK;
822 int xfrmnl_ae_get_curlifetime (
struct xfrmnl_ae* ae,
unsigned long long int* curr_bytes,
823 unsigned long long int* curr_packets,
unsigned long long int* curr_add_time,
824 unsigned long long int* curr_use_time)
826 if (curr_bytes == NULL || curr_packets == NULL || curr_add_time == NULL || curr_use_time == NULL)
829 if (ae->ce_mask & XFRM_AE_ATTR_LIFETIME)
831 *curr_bytes = ae->lifetime_cur.bytes;
832 *curr_packets = ae->lifetime_cur.packets;
833 *curr_add_time = ae->lifetime_cur.add_time;
834 *curr_use_time = ae->lifetime_cur.use_time;
842 int xfrmnl_ae_set_curlifetime (
struct xfrmnl_ae* ae,
unsigned long long int curr_bytes,
843 unsigned long long int curr_packets,
unsigned long long int curr_add_time,
844 unsigned long long int curr_use_time)
846 ae->lifetime_cur.bytes = curr_bytes;
847 ae->lifetime_cur.packets = curr_packets;
848 ae->lifetime_cur.add_time = curr_add_time;
849 ae->lifetime_cur.use_time = curr_use_time;
850 ae->ce_mask |= XFRM_AE_ATTR_LIFETIME;
855 int xfrmnl_ae_get_replay_maxage (
struct xfrmnl_ae* ae)
857 if (ae->ce_mask & XFRM_AE_ATTR_REPLAY_MAXAGE)
858 return ae->replay_maxage;
863 int xfrmnl_ae_set_replay_maxage (
struct xfrmnl_ae* ae,
unsigned int replay_maxage)
865 ae->replay_maxage = replay_maxage;
866 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_MAXAGE;
871 int xfrmnl_ae_get_replay_maxdiff (
struct xfrmnl_ae* ae)
873 if (ae->ce_mask & XFRM_AE_ATTR_REPLAY_MAXDIFF)
874 return ae->replay_maxdiff;
879 int xfrmnl_ae_set_replay_maxdiff (
struct xfrmnl_ae* ae,
unsigned int replay_maxdiff)
881 ae->replay_maxdiff = replay_maxdiff;
882 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_MAXDIFF;
887 int xfrmnl_ae_get_replay_state (
struct xfrmnl_ae* ae,
unsigned int* oseq,
unsigned int* seq,
unsigned int* bmp)
889 if (ae->ce_mask & XFRM_AE_ATTR_REPLAY_STATE)
891 if (ae->replay_state_esn == NULL)
893 *oseq = ae->replay_state.oseq;
894 *seq = ae->replay_state.seq;
895 *bmp = ae->replay_state.bitmap;
908 int xfrmnl_ae_set_replay_state (
struct xfrmnl_ae* ae,
unsigned int oseq,
unsigned int seq,
unsigned int bitmap)
910 ae->replay_state.oseq = oseq;
911 ae->replay_state.seq = seq;
912 ae->replay_state.bitmap = bitmap;
913 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_STATE;
918 int xfrmnl_ae_get_replay_state_esn(
struct xfrmnl_ae* ae,
unsigned int* oseq,
unsigned int* seq,
unsigned int* oseq_hi,
919 unsigned int* seq_hi,
unsigned int* replay_window,
unsigned int* bmp_len,
unsigned int* bmp)
921 if (ae->ce_mask & XFRM_AE_ATTR_REPLAY_STATE)
923 if (ae->replay_state_esn)
925 *oseq = ae->replay_state_esn->oseq;
926 *seq = ae->replay_state_esn->seq;
927 *oseq_hi= ae->replay_state_esn->oseq_hi;
928 *seq_hi = ae->replay_state_esn->seq_hi;
929 *replay_window = ae->replay_state_esn->replay_window;
930 *bmp_len = ae->replay_state_esn->bmp_len;
931 memcpy (bmp, ae->replay_state_esn->bmp, ae->replay_state_esn->bmp_len * sizeof (uint32_t));
944 int xfrmnl_ae_set_replay_state_esn(
struct xfrmnl_ae* ae,
unsigned int oseq,
unsigned int seq,
945 unsigned int oseq_hi,
unsigned int seq_hi,
unsigned int replay_window,
946 unsigned int bmp_len,
unsigned int* bmp)
949 if (ae->replay_state_esn)
950 free (ae->replay_state_esn);
952 if ((ae->replay_state_esn = calloc (1,
sizeof (
struct xfrmnl_replay_state_esn) +
sizeof (uint32_t) * bmp_len)) == NULL)
955 ae->replay_state_esn->oseq = oseq;
956 ae->replay_state_esn->seq = seq;
957 ae->replay_state_esn->oseq_hi = oseq_hi;
958 ae->replay_state_esn->seq_hi = seq_hi;
959 ae->replay_state_esn->replay_window = replay_window;
960 ae->replay_state_esn->bmp_len = bmp_len;
961 memcpy (ae->replay_state_esn->bmp, bmp, bmp_len * sizeof (uint32_t));
962 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_STATE;
969 static struct nl_object_ops xfrm_ae_obj_ops = {
970 .oo_name =
"xfrm/ae",
971 .oo_size =
sizeof(
struct xfrmnl_ae),
972 .oo_free_data = xfrm_ae_free_data,
973 .oo_clone = xfrm_ae_clone,
979 .oo_compare = xfrm_ae_compare,
980 .oo_attrs2str = xfrm_ae_attrs2str,
981 .oo_id_attrs = (XFRM_AE_ATTR_DADDR | XFRM_AE_ATTR_SPI | XFRM_AE_ATTR_PROTO),
int nl_send_auto_complete(struct nl_sock *sk, struct nl_msg *msg)
struct nl_addr * nl_addr_clone(const struct nl_addr *addr)
Clone existing abstract address object.
Dump object briefly on one line.
void nlmsg_free(struct nl_msg *msg)
Release a reference from an netlink message.
int nlmsg_parse(struct nlmsghdr *nlh, int hdrlen, struct nlattr *tb[], int maxtype, const struct nla_policy *policy)
parse attributes of a netlink message
int nl_addr_cmp(const struct nl_addr *a, const struct nl_addr *b)
Compare abstract addresses.
void * nlmsg_data(const struct nlmsghdr *nlh)
Return pointer to message payload.
struct nl_object * nl_object_alloc(struct nl_object_ops *ops)
Allocate a new object of kind specified by the operations handle.
Attribute validation policy.
struct nl_addr * nl_addr_build(int family, const void *buf, size_t size)
Allocate abstract address based on a binary address.
int nl_pickup(struct nl_sock *sk, int(*parser)(struct nl_cache_ops *, struct sockaddr_nl *, struct nlmsghdr *, struct nl_parser_param *), struct nl_object **result)
Pickup netlink answer, parse is and return object.
struct nl_addr * nl_addr_get(struct nl_addr *addr)
Increase the reference counter of an abstract address.
Dump all attributes but no statistics.
#define NLA_PUT(msg, attrtype, attrlen, data)
Add unspecific attribute to netlink message.
void * nla_data(const struct nlattr *nla)
Return pointer to the payload section.
#define NLA_PUT_U32(msg, attrtype, value)
Add 32 bit integer attribute to netlink message.
uint16_t minlen
Minimal length of payload required.
int nlmsg_append(struct nl_msg *n, void *data, size_t len, int pad)
Append data to tail of a netlink message.
int nl_wait_for_ack(struct nl_sock *sk)
Wait for ACK.
void nl_object_put(struct nl_object *obj)
Release a reference from an object.
void nl_addr_put(struct nl_addr *addr)
Decrease the reference counter of an abstract address.
struct nl_msg * nlmsg_alloc_simple(int nlmsgtype, int flags)
Allocate a new netlink message.
void nl_dump(struct nl_dump_params *params, const char *fmt,...)
Dump a formatted character string.
int nl_send_auto(struct nl_sock *sk, struct nl_msg *msg)
Finalize and transmit Netlink message.
unsigned int nl_addr_get_len(const struct nl_addr *addr)
Get length of binary address of abstract address object.
Dump all attributes including statistics.
void * nl_addr_get_binary_addr(const struct nl_addr *addr)
Get binary address of abstract address object.
char * nl_addr2str(const struct nl_addr *addr, char *buf, size_t size)
Convert abstract address object to character string.
int nl_addr_get_family(const struct nl_addr *addr)
Return address family.