122 #include <netlink-private/netlink.h> 123 #include <netlink/netlink.h> 124 #include <netlink/cache.h> 125 #include <netlink/object.h> 126 #include <netlink/xfrm/ae.h> 127 #include <linux/xfrm.h> 130 #define XFRM_AE_ATTR_DADDR 0x01 131 #define XFRM_AE_ATTR_SPI 0x02 132 #define XFRM_AE_ATTR_PROTO 0x04 133 #define XFRM_AE_ATTR_SADDR 0x08 134 #define XFRM_AE_ATTR_FLAGS 0x10 135 #define XFRM_AE_ATTR_REQID 0x20 136 #define XFRM_AE_ATTR_MARK 0x40 137 #define XFRM_AE_ATTR_LIFETIME 0x80 138 #define XFRM_AE_ATTR_REPLAY_MAXAGE 0x100 139 #define XFRM_AE_ATTR_REPLAY_MAXDIFF 0x200 140 #define XFRM_AE_ATTR_REPLAY_STATE 0x400 141 #define XFRM_AE_ATTR_FAMILY 0x800 143 static struct nl_object_ops xfrm_ae_obj_ops;
147 static void xfrm_ae_free_data(
struct nl_object *c)
149 struct xfrmnl_ae* ae = nl_object_priv (c);
157 if (ae->replay_state_esn)
158 free (ae->replay_state_esn);
161 static int xfrm_ae_clone(
struct nl_object *_dst,
struct nl_object *_src)
163 struct xfrmnl_ae* dst = nl_object_priv(_dst);
164 struct xfrmnl_ae* src = nl_object_priv(_src);
166 if (src->sa_id.daddr)
167 if ((dst->sa_id.daddr =
nl_addr_clone (src->sa_id.daddr)) == NULL)
174 if (src->replay_state_esn)
176 uint32_t len =
sizeof (
struct xfrmnl_replay_state_esn) + (sizeof (uint32_t) * src->replay_state_esn->bmp_len);
177 if ((dst->replay_state_esn = malloc (len)) == NULL)
179 memcpy (dst->replay_state_esn, src->replay_state_esn, len);
185 static uint64_t xfrm_ae_compare(
struct nl_object *_a,
struct nl_object *_b,
186 uint64_t attrs,
int flags)
188 struct xfrmnl_ae* a = (
struct xfrmnl_ae *) _a;
189 struct xfrmnl_ae* b = (
struct xfrmnl_ae *) _b;
193 #define XFRM_AE_DIFF(ATTR, EXPR) ATTR_DIFF(attrs, XFRM_AE_ATTR_##ATTR, a, b, EXPR) 194 diff |= XFRM_AE_DIFF(DADDR,
nl_addr_cmp(a->sa_id.daddr, b->sa_id.daddr));
195 diff |= XFRM_AE_DIFF(SPI, a->sa_id.spi != b->sa_id.spi);
196 diff |= XFRM_AE_DIFF(PROTO, a->sa_id.proto != b->sa_id.proto);
197 diff |= XFRM_AE_DIFF(SADDR,
nl_addr_cmp(a->saddr, b->saddr));
198 diff |= XFRM_AE_DIFF(FLAGS, a->flags != b->flags);
199 diff |= XFRM_AE_DIFF(REQID, a->reqid != b->reqid);
200 diff |= XFRM_AE_DIFF(MARK, (a->mark.v & a->mark.m) != (b->mark.v & b->mark.m));
201 diff |= XFRM_AE_DIFF(REPLAY_MAXAGE, a->replay_maxage != b->replay_maxage);
202 diff |= XFRM_AE_DIFF(REPLAY_MAXDIFF, a->replay_maxdiff != b->replay_maxdiff);
205 found = AVAILABLE_MISMATCH (a, b, XFRM_AE_ATTR_REPLAY_STATE);
208 if (((a->replay_state_esn != NULL) && (b->replay_state_esn == NULL)) ||
209 ((a->replay_state_esn == NULL) && (b->replay_state_esn != NULL)))
214 if (a->replay_state_esn)
216 if (a->replay_state_esn->bmp_len != b->replay_state_esn->bmp_len)
220 uint32_t len =
sizeof (
struct xfrmnl_replay_state_esn) + (sizeof (uint32_t) * a->replay_state_esn->bmp_len);
221 diff |= memcmp (a->replay_state_esn, b->replay_state_esn, len);
226 if ((a->replay_state.oseq != b->replay_state.oseq) ||
227 (a->replay_state.seq != b->replay_state.seq) ||
228 (a->replay_state.bitmap != b->replay_state.bitmap))
242 static const struct trans_tbl ae_attrs[] =
244 __ADD(XFRM_AE_ATTR_DADDR, daddr),
245 __ADD(XFRM_AE_ATTR_SPI, spi),
246 __ADD(XFRM_AE_ATTR_PROTO, protocol),
247 __ADD(XFRM_AE_ATTR_SADDR, saddr),
248 __ADD(XFRM_AE_ATTR_FLAGS, flags),
249 __ADD(XFRM_AE_ATTR_REQID, reqid),
250 __ADD(XFRM_AE_ATTR_MARK, mark),
251 __ADD(XFRM_AE_ATTR_LIFETIME, cur_lifetime),
252 __ADD(XFRM_AE_ATTR_REPLAY_MAXAGE, replay_maxage),
253 __ADD(XFRM_AE_ATTR_REPLAY_MAXDIFF, replay_maxdiff),
254 __ADD(XFRM_AE_ATTR_REPLAY_STATE, replay_state),
257 static char* xfrm_ae_attrs2str (
int attrs,
char *buf,
size_t len)
259 return __flags2str(attrs, buf, len, ae_attrs, ARRAY_SIZE(ae_attrs));
268 static const struct trans_tbl ae_flags[] = {
269 __ADD(XFRM_AE_UNSPEC, unspecified),
270 __ADD(XFRM_AE_RTHR, replay threshold),
271 __ADD(XFRM_AE_RVAL, replay value),
272 __ADD(XFRM_AE_LVAL, lifetime value),
273 __ADD(XFRM_AE_ETHR, expiry time threshold),
274 __ADD(XFRM_AE_CR, replay update event),
275 __ADD(XFRM_AE_CE, timer expiry event),
276 __ADD(XFRM_AE_CU, policy update event),
279 char* xfrmnl_ae_flags2str(
int flags,
char *buf,
size_t len)
281 return __flags2str (flags, buf, len, ae_flags, ARRAY_SIZE(ae_flags));
284 int xfrmnl_ae_str2flag(
const char *name)
286 return __str2flags(name, ae_flags, ARRAY_SIZE(ae_flags));
290 static void xfrm_ae_dump_line(
struct nl_object *a,
struct nl_dump_params *p)
292 char dst[INET6_ADDRSTRLEN+5], src[INET6_ADDRSTRLEN+5];
293 struct xfrmnl_ae* ae = (
struct xfrmnl_ae *) a;
294 char flags[128], buf[128];
295 time_t add_time, use_time;
296 struct tm *add_time_tm, *use_time_tm;
298 nl_dump_line(p,
"src %s dst %s \n",
nl_addr2str(ae->saddr, src,
sizeof(src)),
301 nl_dump_line(p,
"\tproto %s spi 0x%x reqid %u ",
302 nl_ip_proto2str (ae->sa_id.proto, buf, sizeof (buf)),
303 ae->sa_id.spi, ae->reqid);
305 xfrmnl_ae_flags2str(ae->flags, flags, sizeof (flags));
306 nl_dump_line(p,
"flags %s(0x%x) mark mask/value 0x%x/0x%x \n", flags,
307 ae->flags, ae->mark.m, ae->mark.v);
309 nl_dump_line(p,
"\tlifetime current: \n");
310 nl_dump_line(p,
"\t\tbytes %llu packets %llu \n", ae->lifetime_cur.bytes,
311 ae->lifetime_cur.packets);
312 if (ae->lifetime_cur.add_time != 0)
314 add_time = ae->lifetime_cur.add_time;
315 add_time_tm = gmtime (&add_time);
316 strftime (flags, 128,
"%Y-%m-%d %H-%M-%S", add_time_tm);
320 sprintf (flags,
"%s",
"-");
323 if (ae->lifetime_cur.use_time != 0)
325 use_time = ae->lifetime_cur.use_time;
326 use_time_tm = gmtime (&use_time);
327 strftime (buf, 128,
"%Y-%m-%d %H-%M-%S", use_time_tm);
331 sprintf (buf,
"%s",
"-");
333 nl_dump_line(p,
"\t\tadd_time: %s, use_time: %s\n", flags, buf);
335 nl_dump_line(p,
"\treplay info: \n");
336 nl_dump_line(p,
"\t\tmax age %u max diff %u \n", ae->replay_maxage, ae->replay_maxdiff);
338 nl_dump_line(p,
"\treplay state info: \n");
339 if (ae->replay_state_esn)
341 nl_dump_line(p,
"\t\toseq %u seq %u oseq_hi %u seq_hi %u replay window: %u \n",
342 ae->replay_state_esn->oseq, ae->replay_state_esn->seq,
343 ae->replay_state_esn->oseq_hi, ae->replay_state_esn->seq_hi,
344 ae->replay_state_esn->replay_window);
348 nl_dump_line(p,
"\t\toseq %u seq %u bitmap: %u \n", ae->replay_state.oseq,
349 ae->replay_state.seq, ae->replay_state.bitmap);
355 static void xfrm_ae_dump_details(
struct nl_object *a,
struct nl_dump_params *p)
357 xfrm_ae_dump_line(a, p);
360 static void xfrm_ae_dump_stats(
struct nl_object *a,
struct nl_dump_params *p)
362 xfrm_ae_dump_details(a, p);
366 static int build_xfrm_ae_message(
struct xfrmnl_ae *tmpl,
int cmd,
int flags,
367 struct nl_msg **result)
370 struct xfrm_aevent_id ae_id;
372 if (!(tmpl->ce_mask & XFRM_AE_ATTR_DADDR) ||
373 !(tmpl->ce_mask & XFRM_AE_ATTR_SPI) ||
374 !(tmpl->ce_mask & XFRM_AE_ATTR_PROTO))
375 return -NLE_MISSING_ATTR;
378 ae_id.sa_id.spi = htonl(tmpl->sa_id.spi);
379 ae_id.sa_id.family = tmpl->sa_id.family;
380 ae_id.sa_id.proto = tmpl->sa_id.proto;
382 if (tmpl->ce_mask & XFRM_AE_ATTR_SADDR)
385 if (tmpl->ce_mask & XFRM_AE_ATTR_FLAGS)
386 ae_id.flags = tmpl->flags;
388 if (tmpl->ce_mask & XFRM_AE_ATTR_REQID)
389 ae_id.reqid = tmpl->reqid;
395 if (
nlmsg_append(msg, &ae_id,
sizeof(ae_id), NLMSG_ALIGNTO) < 0)
396 goto nla_put_failure;
398 if (tmpl->ce_mask & XFRM_AE_ATTR_MARK)
399 NLA_PUT (msg, XFRMA_MARK,
sizeof (
struct xfrmnl_mark), &tmpl->mark);
401 if (tmpl->ce_mask & XFRM_AE_ATTR_LIFETIME)
402 NLA_PUT (msg, XFRMA_LTIME_VAL,
sizeof (
struct xfrmnl_lifetime_cur), &tmpl->lifetime_cur);
404 if (tmpl->ce_mask & XFRM_AE_ATTR_REPLAY_MAXAGE)
405 NLA_PUT_U32 (msg, XFRMA_ETIMER_THRESH, tmpl->replay_maxage);
407 if (tmpl->ce_mask & XFRM_AE_ATTR_REPLAY_MAXDIFF)
408 NLA_PUT_U32 (msg, XFRMA_REPLAY_THRESH, tmpl->replay_maxdiff);
410 if (tmpl->ce_mask & XFRM_AE_ATTR_REPLAY_STATE) {
411 if (tmpl->replay_state_esn) {
412 uint32_t len =
sizeof (
struct xfrm_replay_state_esn) + (sizeof (uint32_t) * tmpl->replay_state_esn->bmp_len);
413 NLA_PUT (msg, XFRMA_REPLAY_ESN_VAL, len, tmpl->replay_state_esn);
416 NLA_PUT (msg, XFRMA_REPLAY_VAL,
sizeof (
struct xfrmnl_replay_state), &tmpl->replay_state);
433 int xfrmnl_ae_set(
struct nl_sock* sk,
struct xfrmnl_ae* ae,
int flags)
438 if ((err = build_xfrm_ae_message(ae, XFRM_MSG_NEWAE, flags|NLM_F_REPLACE, &msg)) < 0)
456 struct xfrmnl_ae* xfrmnl_ae_alloc(
void)
461 void xfrmnl_ae_put(
struct xfrmnl_ae* ae)
468 static struct nla_policy xfrm_ae_policy[XFRMA_MAX+1] = {
469 [XFRMA_LTIME_VAL] = { .
minlen =
sizeof(
struct xfrm_lifetime_cur) },
470 [XFRMA_REPLAY_VAL] = { .minlen =
sizeof(
struct xfrm_replay_state) },
471 [XFRMA_REPLAY_THRESH] = { .type =
NLA_U32 },
472 [XFRMA_ETIMER_THRESH] = { .type =
NLA_U32 },
473 [XFRMA_SRCADDR] = { .minlen =
sizeof(xfrm_address_t) },
474 [XFRMA_MARK] = { .minlen =
sizeof(
struct xfrm_mark) },
475 [XFRMA_REPLAY_ESN_VAL] = { .minlen =
sizeof(
struct xfrm_replay_state_esn) },
478 int xfrmnl_ae_parse(
struct nlmsghdr *n,
struct xfrmnl_ae **result)
480 struct xfrmnl_ae* ae;
481 struct nlattr *tb[XFRMA_MAX + 1];
482 struct xfrm_aevent_id* ae_id;
485 ae = xfrmnl_ae_alloc();
491 ae->ce_msgtype = n->nlmsg_type;
494 err =
nlmsg_parse(n,
sizeof(
struct xfrm_aevent_id), tb, XFRMA_MAX, xfrm_ae_policy);
498 ae->sa_id.daddr =
nl_addr_build(ae_id->sa_id.family, &ae_id->sa_id.daddr, sizeof (ae_id->sa_id.daddr));
499 ae->sa_id.family= ae_id->sa_id.family;
500 ae->sa_id.spi = ntohl(ae_id->sa_id.spi);
501 ae->sa_id.proto = ae_id->sa_id.proto;
502 ae->saddr =
nl_addr_build(ae_id->sa_id.family, &ae_id->saddr, sizeof (ae_id->saddr));
503 ae->reqid = ae_id->reqid;
504 ae->flags = ae_id->flags;
505 ae->ce_mask |= (XFRM_AE_ATTR_DADDR | XFRM_AE_ATTR_FAMILY | XFRM_AE_ATTR_SPI |
506 XFRM_AE_ATTR_PROTO | XFRM_AE_ATTR_SADDR | XFRM_AE_ATTR_REQID |
509 if (tb[XFRMA_MARK]) {
510 struct xfrm_mark* m =
nla_data(tb[XFRMA_MARK]);
513 ae->ce_mask |= XFRM_AE_ATTR_MARK;
516 if (tb[XFRMA_LTIME_VAL]) {
517 struct xfrm_lifetime_cur* cur =
nla_data(tb[XFRMA_LTIME_VAL]);
518 ae->lifetime_cur.bytes = cur->bytes;
519 ae->lifetime_cur.packets = cur->packets;
520 ae->lifetime_cur.add_time = cur->add_time;
521 ae->lifetime_cur.use_time = cur->use_time;
522 ae->ce_mask |= XFRM_AE_ATTR_LIFETIME;
525 if (tb[XFRM_AE_ETHR]) {
526 ae->replay_maxage = *(uint32_t*)
nla_data(tb[XFRM_AE_ETHR]);
527 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_MAXAGE;
530 if (tb[XFRM_AE_RTHR]) {
531 ae->replay_maxdiff = *(uint32_t*)
nla_data(tb[XFRM_AE_RTHR]);
532 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_MAXDIFF;
535 if (tb[XFRMA_REPLAY_ESN_VAL]) {
536 struct xfrm_replay_state_esn* esn =
nla_data (tb[XFRMA_REPLAY_ESN_VAL]);
537 uint32_t len =
sizeof (
struct xfrmnl_replay_state_esn) + (sizeof (uint32_t) * esn->bmp_len);
539 if ((ae->replay_state_esn = calloc (1, len)) == NULL) {
543 ae->replay_state_esn->oseq = esn->oseq;
544 ae->replay_state_esn->seq = esn->seq;
545 ae->replay_state_esn->oseq_hi = esn->oseq_hi;
546 ae->replay_state_esn->seq_hi = esn->seq_hi;
547 ae->replay_state_esn->replay_window = esn->replay_window;
548 ae->replay_state_esn->bmp_len = esn->bmp_len;
549 memcpy (ae->replay_state_esn->bmp, esn->bmp, sizeof (uint32_t) * esn->bmp_len);
550 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_STATE;
554 struct xfrm_replay_state* replay_state =
nla_data (tb[XFRMA_REPLAY_VAL]);
555 ae->replay_state.oseq = replay_state->oseq;
556 ae->replay_state.seq = replay_state->seq;
557 ae->replay_state.bitmap = replay_state->bitmap;
558 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_STATE;
560 ae->replay_state_esn = NULL;
571 static int xfrm_ae_msg_parser(
struct nl_cache_ops *ops,
struct sockaddr_nl *who,
572 struct nlmsghdr *n,
struct nl_parser_param *pp)
574 struct xfrmnl_ae* ae;
577 if ((err = xfrmnl_ae_parse(n, &ae)) < 0)
580 err = pp->pp_cb((
struct nl_object *) ae, pp);
591 int xfrmnl_ae_build_get_request(
struct nl_addr* daddr,
unsigned int spi,
unsigned int protocol,
592 unsigned int mark_mask,
unsigned int mark_value,
struct nl_msg **result)
595 struct xfrm_aevent_id ae_id;
596 struct xfrmnl_mark mark;
600 fprintf(stderr,
"APPLICATION BUG: %s:%d:%s: A valid destination address, spi must be specified\n",
601 __FILE__, __LINE__, __PRETTY_FUNCTION__);
603 return -NLE_MISSING_ATTR;
606 memset(&ae_id, 0,
sizeof(ae_id));
608 ae_id.sa_id.spi = htonl(spi);
610 ae_id.sa_id.proto = protocol;
615 if (
nlmsg_append(msg, &ae_id,
sizeof(ae_id), NLMSG_ALIGNTO) < 0)
616 goto nla_put_failure;
620 NLA_PUT (msg, XFRMA_MARK,
sizeof (
struct xfrmnl_mark), &mark);
630 int xfrmnl_ae_get_kernel(
struct nl_sock* sock,
struct nl_addr* daddr,
unsigned int spi,
unsigned int protocol,
631 unsigned int mark_mask,
unsigned int mark_value,
struct xfrmnl_ae** result)
633 struct nl_msg *msg = NULL;
634 struct nl_object *obj;
637 if ((err = xfrmnl_ae_build_get_request(daddr, spi, protocol, mark_mask, mark_value, &msg)) < 0)
645 if ((err =
nl_pickup(sock, &xfrm_ae_msg_parser, &obj)) < 0)
649 *result = (
struct xfrmnl_ae *) obj;
665 static inline int __assign_addr(
struct xfrmnl_ae* ae,
struct nl_addr **pos,
666 struct nl_addr *
new,
int flag,
int nocheck)
669 if (ae->ce_mask & XFRM_AE_ATTR_FAMILY) {
671 return -NLE_AF_MISMATCH;
674 ae->ce_mask |= XFRM_AE_ATTR_FAMILY;
690 struct nl_addr* xfrmnl_ae_get_daddr (
struct xfrmnl_ae* ae)
692 if (ae->ce_mask & XFRM_AE_ATTR_DADDR)
693 return ae->sa_id.daddr;
698 int xfrmnl_ae_set_daddr (
struct xfrmnl_ae* ae,
struct nl_addr* addr)
700 return __assign_addr(ae, &ae->sa_id.daddr, addr, XFRM_AE_ATTR_DADDR, 0);
703 int xfrmnl_ae_get_spi (
struct xfrmnl_ae* ae)
705 if (ae->ce_mask & XFRM_AE_ATTR_SPI)
706 return ae->sa_id.spi;
711 int xfrmnl_ae_set_spi (
struct xfrmnl_ae* ae,
unsigned int spi)
714 ae->ce_mask |= XFRM_AE_ATTR_SPI;
719 int xfrmnl_ae_get_family (
struct xfrmnl_ae* ae)
721 if (ae->ce_mask & XFRM_AE_ATTR_FAMILY)
722 return ae->sa_id.family;
727 int xfrmnl_ae_set_family (
struct xfrmnl_ae* ae,
unsigned int family)
729 ae->sa_id.family = family;
730 ae->ce_mask |= XFRM_AE_ATTR_FAMILY;
735 int xfrmnl_ae_get_proto (
struct xfrmnl_ae* ae)
737 if (ae->ce_mask & XFRM_AE_ATTR_PROTO)
738 return ae->sa_id.proto;
743 int xfrmnl_ae_set_proto (
struct xfrmnl_ae* ae,
unsigned int protocol)
745 ae->sa_id.proto = protocol;
746 ae->ce_mask |= XFRM_AE_ATTR_PROTO;
751 struct nl_addr* xfrmnl_ae_get_saddr (
struct xfrmnl_ae* ae)
753 if (ae->ce_mask & XFRM_AE_ATTR_SADDR)
759 int xfrmnl_ae_set_saddr (
struct xfrmnl_ae* ae,
struct nl_addr* addr)
761 return __assign_addr(ae, &ae->saddr, addr, XFRM_AE_ATTR_SADDR, 1);
764 int xfrmnl_ae_get_flags (
struct xfrmnl_ae* ae)
766 if (ae->ce_mask & XFRM_AE_ATTR_FLAGS)
772 int xfrmnl_ae_set_flags (
struct xfrmnl_ae* ae,
unsigned int flags)
775 ae->ce_mask |= XFRM_AE_ATTR_FLAGS;
780 int xfrmnl_ae_get_reqid (
struct xfrmnl_ae* ae)
782 if (ae->ce_mask & XFRM_AE_ATTR_REQID)
788 int xfrmnl_ae_set_reqid (
struct xfrmnl_ae* ae,
unsigned int reqid)
791 ae->ce_mask |= XFRM_AE_ATTR_REQID;
796 int xfrmnl_ae_get_mark (
struct xfrmnl_ae* ae,
unsigned int* mark_mask,
unsigned int* mark_value)
798 if (mark_mask == NULL || mark_value == NULL)
801 if (ae->ce_mask & XFRM_AE_ATTR_MARK)
803 *mark_mask = ae->mark.m;
804 *mark_value = ae->mark.v;
812 int xfrmnl_ae_set_mark (
struct xfrmnl_ae* ae,
unsigned int value,
unsigned int mask)
816 ae->ce_mask |= XFRM_AE_ATTR_MARK;
821 int xfrmnl_ae_get_curlifetime (
struct xfrmnl_ae* ae,
unsigned long long int* curr_bytes,
822 unsigned long long int* curr_packets,
unsigned long long int* curr_add_time,
823 unsigned long long int* curr_use_time)
825 if (curr_bytes == NULL || curr_packets == NULL || curr_add_time == NULL || curr_use_time == NULL)
828 if (ae->ce_mask & XFRM_AE_ATTR_LIFETIME)
830 *curr_bytes = ae->lifetime_cur.bytes;
831 *curr_packets = ae->lifetime_cur.packets;
832 *curr_add_time = ae->lifetime_cur.add_time;
833 *curr_use_time = ae->lifetime_cur.use_time;
841 int xfrmnl_ae_set_curlifetime (
struct xfrmnl_ae* ae,
unsigned long long int curr_bytes,
842 unsigned long long int curr_packets,
unsigned long long int curr_add_time,
843 unsigned long long int curr_use_time)
845 ae->lifetime_cur.bytes = curr_bytes;
846 ae->lifetime_cur.packets = curr_packets;
847 ae->lifetime_cur.add_time = curr_add_time;
848 ae->lifetime_cur.use_time = curr_use_time;
849 ae->ce_mask |= XFRM_AE_ATTR_LIFETIME;
854 int xfrmnl_ae_get_replay_maxage (
struct xfrmnl_ae* ae)
856 if (ae->ce_mask & XFRM_AE_ATTR_REPLAY_MAXAGE)
857 return ae->replay_maxage;
862 int xfrmnl_ae_set_replay_maxage (
struct xfrmnl_ae* ae,
unsigned int replay_maxage)
864 ae->replay_maxage = replay_maxage;
865 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_MAXAGE;
870 int xfrmnl_ae_get_replay_maxdiff (
struct xfrmnl_ae* ae)
872 if (ae->ce_mask & XFRM_AE_ATTR_REPLAY_MAXDIFF)
873 return ae->replay_maxdiff;
878 int xfrmnl_ae_set_replay_maxdiff (
struct xfrmnl_ae* ae,
unsigned int replay_maxdiff)
880 ae->replay_maxdiff = replay_maxdiff;
881 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_MAXDIFF;
886 int xfrmnl_ae_get_replay_state (
struct xfrmnl_ae* ae,
unsigned int* oseq,
unsigned int* seq,
unsigned int* bmp)
888 if (ae->ce_mask & XFRM_AE_ATTR_REPLAY_STATE)
890 if (ae->replay_state_esn == NULL)
892 *oseq = ae->replay_state.oseq;
893 *seq = ae->replay_state.seq;
894 *bmp = ae->replay_state.bitmap;
907 int xfrmnl_ae_set_replay_state (
struct xfrmnl_ae* ae,
unsigned int oseq,
unsigned int seq,
unsigned int bitmap)
909 ae->replay_state.oseq = oseq;
910 ae->replay_state.seq = seq;
911 ae->replay_state.bitmap = bitmap;
912 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_STATE;
917 int xfrmnl_ae_get_replay_state_esn(
struct xfrmnl_ae* ae,
unsigned int* oseq,
unsigned int* seq,
unsigned int* oseq_hi,
918 unsigned int* seq_hi,
unsigned int* replay_window,
unsigned int* bmp_len,
unsigned int* bmp)
920 if (ae->ce_mask & XFRM_AE_ATTR_REPLAY_STATE)
922 if (ae->replay_state_esn)
924 *oseq = ae->replay_state_esn->oseq;
925 *seq = ae->replay_state_esn->seq;
926 *oseq_hi= ae->replay_state_esn->oseq_hi;
927 *seq_hi = ae->replay_state_esn->seq_hi;
928 *replay_window = ae->replay_state_esn->replay_window;
929 *bmp_len = ae->replay_state_esn->bmp_len;
930 memcpy (bmp, ae->replay_state_esn->bmp, ae->replay_state_esn->bmp_len * sizeof (uint32_t));
943 int xfrmnl_ae_set_replay_state_esn(
struct xfrmnl_ae* ae,
unsigned int oseq,
unsigned int seq,
944 unsigned int oseq_hi,
unsigned int seq_hi,
unsigned int replay_window,
945 unsigned int bmp_len,
unsigned int* bmp)
948 if (ae->replay_state_esn)
949 free (ae->replay_state_esn);
951 if ((ae->replay_state_esn = calloc (1,
sizeof (
struct xfrmnl_replay_state_esn) +
sizeof (uint32_t) * bmp_len)) == NULL)
954 ae->replay_state_esn->oseq = oseq;
955 ae->replay_state_esn->seq = seq;
956 ae->replay_state_esn->oseq_hi = oseq_hi;
957 ae->replay_state_esn->seq_hi = seq_hi;
958 ae->replay_state_esn->replay_window = replay_window;
959 ae->replay_state_esn->bmp_len = bmp_len;
960 memcpy (ae->replay_state_esn->bmp, bmp, bmp_len * sizeof (uint32_t));
961 ae->ce_mask |= XFRM_AE_ATTR_REPLAY_STATE;
968 static struct nl_object_ops xfrm_ae_obj_ops = {
969 .oo_name =
"xfrm/ae",
970 .oo_size =
sizeof(
struct xfrmnl_ae),
971 .oo_free_data = xfrm_ae_free_data,
972 .oo_clone = xfrm_ae_clone,
978 .oo_compare = xfrm_ae_compare,
979 .oo_attrs2str = xfrm_ae_attrs2str,
980 .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 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.
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.
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.