122 #include <netlink-private/netlink.h> 123 #include <netlink/netlink.h> 124 #include <netlink/cache.h> 125 #include <netlink/object.h> 126 #include <linux/xfrm.h> 129 #define XFRM_AE_ATTR_DADDR 0x01 130 #define XFRM_AE_ATTR_SPI 0x02 131 #define XFRM_AE_ATTR_PROTO 0x04 132 #define XFRM_AE_ATTR_SADDR 0x08 133 #define XFRM_AE_ATTR_FLAGS 0x10 134 #define XFRM_AE_ATTR_REQID 0x20 135 #define XFRM_AE_ATTR_MARK 0x40 136 #define XFRM_AE_ATTR_LIFETIME 0x80 137 #define XFRM_AE_ATTR_REPLAY_MAXAGE 0x100 138 #define XFRM_AE_ATTR_REPLAY_MAXDIFF 0x200 139 #define XFRM_AE_ATTR_REPLAY_STATE 0x400 140 #define XFRM_AE_ATTR_FAMILY 0x800 142 static struct nl_object_ops xfrm_ae_obj_ops;
146 static void xfrm_ae_free_data(
struct nl_object *c)
148 struct xfrmnl_ae* ae = nl_object_priv (c);
156 if (ae->replay_state_esn)
157 free (ae->replay_state_esn);
160 static int xfrm_ae_clone(
struct nl_object *_dst,
struct nl_object *_src)
162 struct xfrmnl_ae* dst = nl_object_priv(_dst);
163 struct xfrmnl_ae* src = nl_object_priv(_src);
165 if (src->sa_id.daddr)
166 if ((dst->sa_id.daddr =
nl_addr_clone (src->sa_id.daddr)) == NULL)
173 if (src->replay_state_esn)
175 uint32_t len =
sizeof (
struct xfrmnl_replay_state_esn) + (sizeof (uint32_t) * src->replay_state_esn->bmp_len);
176 if ((dst->replay_state_esn = (
struct xfrmnl_replay_state_esn*)calloc (1, len)) == NULL)
178 memcpy (dst->replay_state_esn, dst->replay_state_esn, len);
184 static uint64_t xfrm_ae_compare(
struct nl_object *_a,
struct nl_object *_b,
185 uint64_t attrs,
int flags)
187 struct xfrmnl_ae* a = (
struct xfrmnl_ae *) _a;
188 struct xfrmnl_ae* b = (
struct xfrmnl_ae *) _b;
192 #define XFRM_AE_DIFF(ATTR, EXPR) ATTR_DIFF(attrs, XFRM_AE_ATTR_##ATTR, a, b, EXPR) 193 diff |= XFRM_AE_DIFF(DADDR,
nl_addr_cmp(a->sa_id.daddr, b->sa_id.daddr));
194 diff |= XFRM_AE_DIFF(SPI, a->sa_id.spi != b->sa_id.spi);
195 diff |= XFRM_AE_DIFF(PROTO, a->sa_id.proto != b->sa_id.proto);
196 diff |= XFRM_AE_DIFF(SADDR,
nl_addr_cmp(a->saddr, b->saddr));
197 diff |= XFRM_AE_DIFF(FLAGS, a->flags != b->flags);
198 diff |= XFRM_AE_DIFF(REQID, a->reqid != b->reqid);
199 diff |= XFRM_AE_DIFF(MARK, (a->mark.v & a->mark.m) != (b->mark.v & b->mark.m));
200 diff |= XFRM_AE_DIFF(REPLAY_MAXAGE, a->replay_maxage != b->replay_maxage);
201 diff |= XFRM_AE_DIFF(REPLAY_MAXDIFF, a->replay_maxdiff != b->replay_maxdiff);
204 found = AVAILABLE_MISMATCH (a, b, XFRM_AE_ATTR_REPLAY_STATE);
207 if (((a->replay_state_esn != NULL) && (b->replay_state_esn == NULL)) ||
208 ((a->replay_state_esn == NULL) && (b->replay_state_esn != NULL)))
213 if (a->replay_state_esn)
215 if (a->replay_state_esn->bmp_len != b->replay_state_esn->bmp_len)
219 uint32_t len =
sizeof (
struct xfrmnl_replay_state_esn) + (sizeof (uint32_t) * a->replay_state_esn->bmp_len);
220 diff |= memcmp (a->replay_state_esn, b->replay_state_esn, len);
225 if ((a->replay_state.oseq != b->replay_state.oseq) ||
226 (a->replay_state.seq != b->replay_state.seq) ||
227 (a->replay_state.bitmap != b->replay_state.bitmap))
241 static const struct trans_tbl ae_attrs[] =
243 __ADD(XFRM_AE_ATTR_DADDR, daddr),
244 __ADD(XFRM_AE_ATTR_SPI, spi),
245 __ADD(XFRM_AE_ATTR_PROTO, protocol),
246 __ADD(XFRM_AE_ATTR_SADDR, saddr),
247 __ADD(XFRM_AE_ATTR_FLAGS, flags),
248 __ADD(XFRM_AE_ATTR_REQID, reqid),
249 __ADD(XFRM_AE_ATTR_MARK, mark),
250 __ADD(XFRM_AE_ATTR_LIFETIME, cur_lifetime),
251 __ADD(XFRM_AE_ATTR_REPLAY_MAXAGE, replay_maxage),
252 __ADD(XFRM_AE_ATTR_REPLAY_MAXDIFF, replay_maxdiff),
253 __ADD(XFRM_AE_ATTR_REPLAY_STATE, replay_state),
256 static char* xfrm_ae_attrs2str (
int attrs,
char *buf,
size_t len)
258 return __flags2str(attrs, buf, len, ae_attrs, ARRAY_SIZE(ae_attrs));
267 static const struct trans_tbl ae_flags[] = {
268 __ADD(XFRM_AE_UNSPEC, unspecified),
269 __ADD(XFRM_AE_RTHR, replay threshold),
270 __ADD(XFRM_AE_RVAL, replay value),
271 __ADD(XFRM_AE_LVAL, lifetime value),
272 __ADD(XFRM_AE_ETHR, expiry time threshold),
273 __ADD(XFRM_AE_CR, replay update event),
274 __ADD(XFRM_AE_CE, timer expiry event),
275 __ADD(XFRM_AE_CU, policy update event),
278 char* xfrmnl_ae_flags2str(
int flags,
char *buf,
size_t len)
280 return __flags2str (flags, buf, len, ae_flags, ARRAY_SIZE(ae_flags));
283 int xfrmnl_ae_str2flag(
const char *name)
285 return __str2flags(name, ae_flags, ARRAY_SIZE(ae_flags));
289 static void xfrm_ae_dump_line(
struct nl_object *a,
struct nl_dump_params *p)
291 char dst[INET6_ADDRSTRLEN+5], src[INET6_ADDRSTRLEN+5];
292 struct xfrmnl_ae* ae = (
struct xfrmnl_ae *) a;
293 char flags[128], buf[128];
294 time_t add_time, use_time;
295 struct tm *add_time_tm, *use_time_tm;
297 nl_dump_line(p,
"src %s dst %s \n",
nl_addr2str(ae->saddr, src,
sizeof(src)),
300 nl_dump_line(p,
"\tproto %s spi 0x%x reqid %u ",
301 nl_ip_proto2str (ae->sa_id.proto, buf, sizeof (buf)),
302 ae->sa_id.spi, ae->reqid);
304 xfrmnl_ae_flags2str(ae->flags, flags, sizeof (flags));
305 nl_dump_line(p,
"flags %s(0x%x) mark mask/value 0x%x/0x%x \n", flags,
306 ae->flags, ae->mark.m, ae->mark.v);
308 nl_dump_line(p,
"\tlifetime current: \n");
309 nl_dump_line(p,
"\t\tbytes %llu packets %llu \n", ae->lifetime_cur.bytes,
310 ae->lifetime_cur.packets);
311 if (ae->lifetime_cur.add_time != 0)
313 add_time = ae->lifetime_cur.add_time;
314 add_time_tm = gmtime (&add_time);
315 strftime (flags, 128,
"%Y-%m-%d %H-%M-%S", add_time_tm);
319 sprintf (flags,
"%s",
"-");
322 if (ae->lifetime_cur.use_time != 0)
324 use_time = ae->lifetime_cur.use_time;
325 use_time_tm = gmtime (&use_time);
326 strftime (buf, 128,
"%Y-%m-%d %H-%M-%S", use_time_tm);
330 sprintf (buf,
"%s",
"-");
332 nl_dump_line(p,
"\t\tadd_time: %s, use_time: %s\n", flags, buf);
334 nl_dump_line(p,
"\treplay info: \n");
335 nl_dump_line(p,
"\t\tmax age %u max diff %u \n", ae->replay_maxage, ae->replay_maxdiff);
337 nl_dump_line(p,
"\treplay state info: \n");
338 if (ae->replay_state_esn)
340 nl_dump_line(p,
"\t\toseq %u seq %u oseq_hi %u seq_hi %u replay window: %u \n",
341 ae->replay_state_esn->oseq, ae->replay_state_esn->seq,
342 ae->replay_state_esn->oseq_hi, ae->replay_state_esn->seq_hi,
343 ae->replay_state_esn->replay_window);
347 nl_dump_line(p,
"\t\toseq %u seq %u bitmap: %u \n", ae->replay_state.oseq,
348 ae->replay_state.seq, ae->replay_state.bitmap);
354 static void xfrm_ae_dump_details(
struct nl_object *a,
struct nl_dump_params *p)
356 xfrm_ae_dump_line(a, p);
359 static void xfrm_ae_dump_stats(
struct nl_object *a,
struct nl_dump_params *p)
361 xfrm_ae_dump_details(a, p);
365 static int build_xfrm_ae_message(
struct xfrmnl_ae *tmpl,
int cmd,
int flags,
366 struct nl_msg **result)
369 struct xfrm_aevent_id ae_id;
371 if (!(tmpl->ce_mask & XFRM_AE_ATTR_DADDR) ||
372 !(tmpl->ce_mask & XFRM_AE_ATTR_SPI) ||
373 !(tmpl->ce_mask & XFRM_AE_ATTR_PROTO))
374 return -NLE_MISSING_ATTR;
377 ae_id.sa_id.spi = htonl(tmpl->sa_id.spi);
378 ae_id.sa_id.family = tmpl->sa_id.family;
379 ae_id.sa_id.proto = tmpl->sa_id.proto;
381 if (tmpl->ce_mask & XFRM_AE_ATTR_SADDR)
384 if (tmpl->ce_mask & XFRM_AE_ATTR_FLAGS)
385 ae_id.flags = tmpl->flags;
387 if (tmpl->ce_mask & XFRM_AE_ATTR_REQID)
388 ae_id.reqid = tmpl->reqid;
394 if (
nlmsg_append(msg, &ae_id,
sizeof(ae_id), NLMSG_ALIGNTO) < 0)
395 goto nla_put_failure;
397 if (tmpl->ce_mask & XFRM_AE_ATTR_MARK)
398 NLA_PUT (msg, XFRMA_MARK,
sizeof (
struct xfrmnl_mark), &tmpl->mark);
400 if (tmpl->ce_mask & XFRM_AE_ATTR_LIFETIME)
401 NLA_PUT (msg, XFRMA_LTIME_VAL,
sizeof (
struct xfrmnl_lifetime_cur), &tmpl->lifetime_cur);
403 if (tmpl->ce_mask & XFRM_AE_ATTR_REPLAY_MAXAGE)
404 NLA_PUT_U32 (msg, XFRMA_ETIMER_THRESH, tmpl->replay_maxage);
406 if (tmpl->ce_mask & XFRM_AE_ATTR_REPLAY_MAXDIFF)
407 NLA_PUT_U32 (msg, XFRMA_REPLAY_THRESH, tmpl->replay_maxdiff);
409 if (tmpl->ce_mask & XFRM_AE_ATTR_REPLAY_STATE) {
410 if (tmpl->replay_state_esn) {
411 uint32_t len =
sizeof (
struct xfrm_replay_state_esn) + (sizeof (uint32_t) * tmpl->replay_state_esn->bmp_len);
412 NLA_PUT (msg, XFRMA_REPLAY_ESN_VAL, len, tmpl->replay_state_esn);
415 NLA_PUT (msg, XFRMA_REPLAY_VAL,
sizeof (
struct xfrmnl_replay_state), &tmpl->replay_state);
432 int xfrmnl_ae_set(
struct nl_sock* sk,
struct xfrmnl_ae* ae,
int flags)
437 if ((err = build_xfrm_ae_message(ae, XFRM_MSG_NEWAE, flags|NLM_F_REPLACE, &msg)) < 0)
455 struct xfrmnl_ae* xfrmnl_ae_alloc(
void)
460 void xfrmnl_ae_put(
struct xfrmnl_ae* ae)
467 static struct nla_policy xfrm_ae_policy[XFRMA_MAX+1] = {
468 [XFRMA_LTIME_VAL] = { .
minlen =
sizeof(
struct xfrm_lifetime_cur) },
469 [XFRMA_REPLAY_VAL] = { .minlen =
sizeof(
struct xfrm_replay_state) },
470 [XFRMA_REPLAY_THRESH] = { .type =
NLA_U32 },
471 [XFRMA_ETIMER_THRESH] = { .type =
NLA_U32 },
472 [XFRMA_SRCADDR] = { .minlen =
sizeof(xfrm_address_t) },
473 [XFRMA_MARK] = { .minlen =
sizeof(
struct xfrm_mark) },
474 [XFRMA_REPLAY_ESN_VAL] = { .minlen =
sizeof(
struct xfrm_replay_state_esn) },
477 int xfrmnl_ae_parse(
struct nlmsghdr *n,
struct xfrmnl_ae **result)
479 struct xfrmnl_ae* ae;
480 struct nlattr *tb[XFRMA_MAX + 1];
481 struct xfrm_aevent_id* ae_id;
484 ae = xfrmnl_ae_alloc();
490 ae->ce_msgtype = n->nlmsg_type;
493 err =
nlmsg_parse(n,
sizeof(
struct xfrm_aevent_id), tb, XFRMA_MAX, xfrm_ae_policy);
497 ae->sa_id.daddr =
nl_addr_build(ae_id->sa_id.family, &ae_id->sa_id.daddr, sizeof (ae_id->sa_id.daddr));
498 ae->sa_id.family= ae_id->sa_id.family;
499 ae->sa_id.spi = ntohl(ae_id->sa_id.spi);
500 ae->sa_id.proto = ae_id->sa_id.proto;
501 ae->saddr =
nl_addr_build(ae_id->sa_id.family, &ae_id->saddr, sizeof (ae_id->saddr));
502 ae->reqid = ae_id->reqid;
503 ae->flags = ae_id->flags;
504 ae->ce_mask |= (XFRM_AE_ATTR_DADDR | XFRM_AE_ATTR_FAMILY | XFRM_AE_ATTR_SPI |
505 XFRM_AE_ATTR_PROTO | XFRM_AE_ATTR_SADDR | XFRM_AE_ATTR_REQID |
508 if (tb[XFRMA_MARK]) {
509 struct xfrm_mark* m =
nla_data(tb[XFRMA_MARK]);
512 ae->ce_mask |= XFRM_AE_ATTR_MARK;
515 if (tb[XFRMA_LTIME_VAL]) {
516 struct xfrm_lifetime_cur* cur =
nla_data(tb[XFRMA_LTIME_VAL]);
517 ae->lifetime_cur.bytes = cur->bytes;
518 ae->lifetime_cur.packets = cur->packets;
519 ae->lifetime_cur.add_time = cur->add_time;
520 ae->lifetime_cur.use_time = cur->use_time;
521 ae->ce_mask |= XFRM_AE_ATTR_LIFETIME;
524 if (tb[XFRM_AE_ETHR]) {
525 ae->replay_maxage = *(uint32_t*)
nla_data(tb[XFRM_AE_ETHR]);
526 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_MAXAGE;
529 if (tb[XFRM_AE_RTHR]) {
530 ae->replay_maxdiff = *(uint32_t*)
nla_data(tb[XFRM_AE_RTHR]);
531 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_MAXDIFF;
534 if (tb[XFRMA_REPLAY_ESN_VAL]) {
535 struct xfrm_replay_state_esn* esn =
nla_data (tb[XFRMA_REPLAY_ESN_VAL]);
536 uint32_t len =
sizeof (
struct xfrmnl_replay_state_esn) + (sizeof (uint32_t) * esn->bmp_len);
538 if ((ae->replay_state_esn = calloc (1, len)) == NULL) {
542 ae->replay_state_esn->oseq = esn->oseq;
543 ae->replay_state_esn->seq = esn->seq;
544 ae->replay_state_esn->oseq_hi = esn->oseq_hi;
545 ae->replay_state_esn->seq_hi = esn->seq_hi;
546 ae->replay_state_esn->replay_window = esn->replay_window;
547 ae->replay_state_esn->bmp_len = esn->bmp_len;
548 memcpy (ae->replay_state_esn->bmp, esn->bmp, sizeof (uint32_t) * esn->bmp_len);
549 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_STATE;
553 struct xfrm_replay_state* replay_state =
nla_data (tb[XFRMA_REPLAY_VAL]);
554 ae->replay_state.oseq = replay_state->oseq;
555 ae->replay_state.seq = replay_state->seq;
556 ae->replay_state.bitmap = replay_state->bitmap;
557 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_STATE;
559 ae->replay_state_esn = NULL;
570 static int xfrm_ae_msg_parser(
struct nl_cache_ops *ops,
struct sockaddr_nl *who,
571 struct nlmsghdr *n,
struct nl_parser_param *pp)
573 struct xfrmnl_ae* ae;
576 if ((err = xfrmnl_ae_parse(n, &ae)) < 0)
579 err = pp->pp_cb((
struct nl_object *) ae, pp);
590 int xfrmnl_ae_build_get_request(
struct nl_addr* daddr,
unsigned int spi,
unsigned int protocol,
591 unsigned int mark_mask,
unsigned int mark_value,
struct nl_msg **result)
594 struct xfrm_aevent_id ae_id;
595 struct xfrmnl_mark mark;
599 fprintf(stderr,
"APPLICATION BUG: %s:%d:%s: A valid destination address, spi must be specified\n",
600 __FILE__, __LINE__, __PRETTY_FUNCTION__);
602 return -NLE_MISSING_ATTR;
605 memset(&ae_id, 0,
sizeof(ae_id));
607 ae_id.sa_id.spi = htonl(spi);
609 ae_id.sa_id.proto = protocol;
614 if (
nlmsg_append(msg, &ae_id,
sizeof(ae_id), NLMSG_ALIGNTO) < 0)
615 goto nla_put_failure;
619 NLA_PUT (msg, XFRMA_MARK,
sizeof (
struct xfrmnl_mark), &mark);
629 int xfrmnl_ae_get_kernel(
struct nl_sock* sock,
struct nl_addr* daddr,
unsigned int spi,
unsigned int protocol,
630 unsigned int mark_mask,
unsigned int mark_value,
struct xfrmnl_ae** result)
632 struct nl_msg *msg = NULL;
633 struct nl_object *obj;
636 if ((err = xfrmnl_ae_build_get_request(daddr, spi, protocol, mark_mask, mark_value, &msg)) < 0)
644 if ((err =
nl_pickup(sock, &xfrm_ae_msg_parser, &obj)) < 0)
648 *result = (
struct xfrmnl_ae *) obj;
664 static inline int __assign_addr(
struct xfrmnl_ae* ae,
struct nl_addr **pos,
665 struct nl_addr *
new,
int flag,
int nocheck)
668 if (ae->ce_mask & XFRM_AE_ATTR_FAMILY) {
670 return -NLE_AF_MISMATCH;
673 ae->ce_mask |= XFRM_AE_ATTR_FAMILY;
689 struct nl_addr* xfrmnl_ae_get_daddr (
struct xfrmnl_ae* ae)
691 if (ae->ce_mask & XFRM_AE_ATTR_DADDR)
692 return ae->sa_id.daddr;
697 int xfrmnl_ae_set_daddr (
struct xfrmnl_ae* ae,
struct nl_addr* addr)
699 return __assign_addr(ae, &ae->sa_id.daddr, addr, XFRM_AE_ATTR_DADDR, 0);
702 int xfrmnl_ae_get_spi (
struct xfrmnl_ae* ae)
704 if (ae->ce_mask & XFRM_AE_ATTR_SPI)
705 return ae->sa_id.spi;
710 int xfrmnl_ae_set_spi (
struct xfrmnl_ae* ae,
unsigned int spi)
713 ae->ce_mask |= XFRM_AE_ATTR_SPI;
718 int xfrmnl_ae_get_family (
struct xfrmnl_ae* ae)
720 if (ae->ce_mask & XFRM_AE_ATTR_FAMILY)
721 return ae->sa_id.family;
726 int xfrmnl_ae_set_family (
struct xfrmnl_ae* ae,
unsigned int family)
728 ae->sa_id.family = family;
729 ae->ce_mask |= XFRM_AE_ATTR_FAMILY;
734 int xfrmnl_ae_get_proto (
struct xfrmnl_ae* ae)
736 if (ae->ce_mask & XFRM_AE_ATTR_PROTO)
737 return ae->sa_id.proto;
742 int xfrmnl_ae_set_proto (
struct xfrmnl_ae* ae,
unsigned int protocol)
744 ae->sa_id.proto = protocol;
745 ae->ce_mask |= XFRM_AE_ATTR_PROTO;
750 struct nl_addr* xfrmnl_ae_get_saddr (
struct xfrmnl_ae* ae)
752 if (ae->ce_mask & XFRM_AE_ATTR_SADDR)
758 int xfrmnl_ae_set_saddr (
struct xfrmnl_ae* ae,
struct nl_addr* addr)
760 return __assign_addr(ae, &ae->saddr, addr, XFRM_AE_ATTR_SADDR, 1);
763 int xfrmnl_ae_get_flags (
struct xfrmnl_ae* ae)
765 if (ae->ce_mask & XFRM_AE_ATTR_FLAGS)
771 int xfrmnl_ae_set_flags (
struct xfrmnl_ae* ae,
unsigned int flags)
774 ae->ce_mask |= XFRM_AE_ATTR_FLAGS;
779 int xfrmnl_ae_get_reqid (
struct xfrmnl_ae* ae)
781 if (ae->ce_mask & XFRM_AE_ATTR_REQID)
787 int xfrmnl_ae_set_reqid (
struct xfrmnl_ae* ae,
unsigned int reqid)
790 ae->ce_mask |= XFRM_AE_ATTR_REQID;
795 int xfrmnl_ae_get_mark (
struct xfrmnl_ae* ae,
unsigned int* mark_mask,
unsigned int* mark_value)
797 if (mark_mask == NULL || mark_value == NULL)
800 if (ae->ce_mask & XFRM_AE_ATTR_MARK)
802 *mark_mask = ae->mark.m;
803 *mark_value = ae->mark.v;
811 int xfrmnl_ae_set_mark (
struct xfrmnl_ae* ae,
unsigned int value,
unsigned int mask)
815 ae->ce_mask |= XFRM_AE_ATTR_MARK;
820 int xfrmnl_ae_get_curlifetime (
struct xfrmnl_ae* ae,
unsigned long long int* curr_bytes,
821 unsigned long long int* curr_packets,
unsigned long long int* curr_add_time,
822 unsigned long long int* curr_use_time)
824 if (curr_bytes == NULL || curr_packets == NULL || curr_add_time == NULL || curr_use_time == NULL)
827 if (ae->ce_mask & XFRM_AE_ATTR_LIFETIME)
829 *curr_bytes = ae->lifetime_cur.bytes;
830 *curr_packets = ae->lifetime_cur.packets;
831 *curr_add_time = ae->lifetime_cur.add_time;
832 *curr_use_time = ae->lifetime_cur.use_time;
840 int xfrmnl_ae_set_curlifetime (
struct xfrmnl_ae* ae,
unsigned long long int curr_bytes,
841 unsigned long long int curr_packets,
unsigned long long int curr_add_time,
842 unsigned long long int curr_use_time)
844 ae->lifetime_cur.bytes = curr_bytes;
845 ae->lifetime_cur.packets = curr_packets;
846 ae->lifetime_cur.add_time = curr_add_time;
847 ae->lifetime_cur.use_time = curr_use_time;
848 ae->ce_mask |= XFRM_AE_ATTR_LIFETIME;
853 int xfrmnl_ae_get_replay_maxage (
struct xfrmnl_ae* ae)
855 if (ae->ce_mask & XFRM_AE_ATTR_REPLAY_MAXAGE)
856 return ae->replay_maxage;
861 int xfrmnl_ae_set_replay_maxage (
struct xfrmnl_ae* ae,
unsigned int replay_maxage)
863 ae->replay_maxage = replay_maxage;
864 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_MAXAGE;
869 int xfrmnl_ae_get_replay_maxdiff (
struct xfrmnl_ae* ae)
871 if (ae->ce_mask & XFRM_AE_ATTR_REPLAY_MAXDIFF)
872 return ae->replay_maxdiff;
877 int xfrmnl_ae_set_replay_maxdiff (
struct xfrmnl_ae* ae,
unsigned int replay_maxdiff)
879 ae->replay_maxdiff = replay_maxdiff;
880 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_MAXDIFF;
885 int xfrmnl_ae_get_replay_state (
struct xfrmnl_ae* ae,
unsigned int* oseq,
unsigned int* seq,
unsigned int* bmp)
887 if (ae->ce_mask & XFRM_AE_ATTR_REPLAY_STATE)
889 if (ae->replay_state_esn == NULL)
891 *oseq = ae->replay_state.oseq;
892 *seq = ae->replay_state.seq;
893 *bmp = ae->replay_state.bitmap;
906 int xfrmnl_ae_set_replay_state (
struct xfrmnl_ae* ae,
unsigned int oseq,
unsigned int seq,
unsigned int bitmap)
908 ae->replay_state.oseq = oseq;
909 ae->replay_state.seq = seq;
910 ae->replay_state.bitmap = bitmap;
911 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_STATE;
916 int xfrmnl_ae_get_replay_state_esn(
struct xfrmnl_ae* ae,
unsigned int* oseq,
unsigned int* seq,
unsigned int* oseq_hi,
917 unsigned int* seq_hi,
unsigned int* replay_window,
unsigned int* bmp_len,
unsigned int* bmp)
919 if (ae->ce_mask & XFRM_AE_ATTR_REPLAY_STATE)
921 if (ae->replay_state_esn)
923 *oseq = ae->replay_state_esn->oseq;
924 *seq = ae->replay_state_esn->seq;
925 *oseq_hi= ae->replay_state_esn->oseq_hi;
926 *seq_hi = ae->replay_state_esn->seq_hi;
927 *replay_window = ae->replay_state_esn->replay_window;
928 *bmp_len = ae->replay_state_esn->bmp_len;
929 memcpy (bmp, ae->replay_state_esn->bmp, ae->replay_state_esn->bmp_len * sizeof (uint32_t));
942 int xfrmnl_ae_set_replay_state_esn(
struct xfrmnl_ae* ae,
unsigned int oseq,
unsigned int seq,
943 unsigned int oseq_hi,
unsigned int seq_hi,
unsigned int replay_window,
944 unsigned int bmp_len,
unsigned int* bmp)
947 if (ae->replay_state_esn)
948 free (ae->replay_state_esn);
950 if ((ae->replay_state_esn = calloc (1,
sizeof (
struct xfrmnl_replay_state_esn) +
sizeof (uint32_t) * bmp_len)) == NULL)
953 ae->replay_state_esn->oseq = oseq;
954 ae->replay_state_esn->seq = seq;
955 ae->replay_state_esn->oseq_hi = oseq_hi;
956 ae->replay_state_esn->seq_hi = seq_hi;
957 ae->replay_state_esn->replay_window = replay_window;
958 ae->replay_state_esn->bmp_len = bmp_len;
959 memcpy (ae->replay_state_esn->bmp, bmp, bmp_len * sizeof (uint32_t));
960 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_STATE;
967 static struct nl_object_ops xfrm_ae_obj_ops = {
968 .oo_name =
"xfrm/ae",
969 .oo_size =
sizeof(
struct xfrmnl_ae),
970 .oo_free_data = xfrm_ae_free_data,
971 .oo_clone = xfrm_ae_clone,
977 .oo_compare = xfrm_ae_compare,
978 .oo_attrs2str = xfrm_ae_attrs2str,
979 .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 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 nlmsg_parse(struct nlmsghdr *nlh, int hdrlen, struct nlattr *tb[], int maxtype, struct nla_policy *policy)
parse attributes of a netlink message
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.
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.
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.