2 * Copyright (c) 2015-2016 Yandex LLC
3 * Copyright (c) 2015-2016 Alexander V. Chernikov <melifaro@FreeBSD.org>
4 * Copyright (c) 2015-2016 Andrey V. Elsukov <ae@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/types.h>
33 #include <sys/socket.h>
48 #include <netinet/in.h>
49 #include <netinet/ip_fw.h>
50 #include <netinet6/ip_fw_nat64.h>
51 #include <arpa/inet.h>
53 static void nat64lsn_fill_ntlv(ipfw_obj_ntlv *ntlv, const char *name,
55 typedef int (nat64lsn_cb_t)(ipfw_nat64lsn_cfg *cfg, const char *name,
57 static int nat64lsn_foreach(nat64lsn_cb_t *f, const char *name, uint8_t set,
60 static void nat64lsn_create(const char *name, uint8_t set, int ac, char **av);
61 static void nat64lsn_config(const char *name, uint8_t set, int ac, char **av);
62 static void nat64lsn_destroy(const char *name, uint8_t set);
63 static void nat64lsn_stats(const char *name, uint8_t set);
64 static void nat64lsn_reset_stats(const char *name, uint8_t set);
65 static int nat64lsn_show_cb(ipfw_nat64lsn_cfg *cfg, const char *name,
67 static int nat64lsn_destroy_cb(ipfw_nat64lsn_cfg *cfg, const char *name,
69 static int nat64lsn_states_cb(ipfw_nat64lsn_cfg *cfg, const char *name,
72 static struct _s_x nat64cmds[] = {
73 { "create", TOK_CREATE },
74 { "config", TOK_CONFIG },
75 { "destroy", TOK_DESTROY },
78 { "stats", TOK_STATS },
83 nat64lsn_print_states(void *buf)
85 char s[INET6_ADDRSTRLEN], a[INET_ADDRSTRLEN], f[INET_ADDRSTRLEN];
86 char sflags[4], *sf, *proto;
89 ipfw_nat64lsn_stg *stg;
90 ipfw_nat64lsn_state *ste;
94 oh = (ipfw_obj_header *)buf;
95 od = (ipfw_obj_data *)(oh + 1);
96 stg = (ipfw_nat64lsn_stg *)(od + 1);
97 sz = od->head.length - sizeof(*od);
99 while (sz > 0 && next_idx != 0xFF) {
100 next_idx = stg->next_idx;
102 if (stg->count == 0) {
106 switch (stg->proto) {
117 inet_ntop(AF_INET6, &stg->host6, s, sizeof(s));
118 inet_ntop(AF_INET, &stg->alias4, a, sizeof(a));
119 ste = (ipfw_nat64lsn_state *)(stg + 1);
120 for (i = 0; i < stg->count && sz > 0; i++) {
122 inet_ntop(AF_INET, &ste->daddr, f, sizeof(f));
123 if (stg->proto == IPPROTO_TCP) {
124 if (ste->flags & 0x02)
126 if (ste->flags & 0x04)
128 if (ste->flags & 0x01)
132 switch (stg->proto) {
135 printf("%s:%d\t%s:%d\t%s\t%s\t%d\t%s:%d\n",
136 s, ste->sport, a, ste->aport, proto,
137 sflags, ste->idle, f, ste->dport);
140 printf("%s\t%s\t%s\t\t%d\t%s\n",
141 s, a, proto, ste->idle, f);
144 printf("%s\t%s\t%d\t\t%d\t%s\n",
145 s, a, stg->proto, ste->idle, f);
150 stg = (ipfw_nat64lsn_stg *)ste;
156 nat64lsn_states_cb(ipfw_nat64lsn_cfg *cfg, const char *name, uint8_t set)
164 if (name != NULL && strcmp(cfg->name, name) != 0)
167 if (set != 0 && cfg->set != set)
172 if ((buf = calloc(1, sz)) == NULL)
175 oh = (ipfw_obj_header *)buf;
176 od = (ipfw_obj_data *)(oh + 1);
177 nat64lsn_fill_ntlv(&oh->ntlv, cfg->name, set);
178 od->head.type = IPFW_TLV_OBJDATA;
179 od->head.length = sizeof(*od) + sizeof(next_idx);
180 *((uint64_t *)(od + 1)) = next_idx;
181 if (do_get3(IP_FW_NAT64LSN_LIST_STATES, &oh->opheader, &sz))
182 err(EX_OSERR, "Error reading nat64lsn states");
183 next_idx = nat64lsn_print_states(buf);
186 } while (next_idx != 0xFF);
192 static struct _s_x nat64statscmds[] = {
193 { "reset", TOK_RESET },
198 ipfw_nat64lsn_stats_handler(const char *name, uint8_t set, int ac, char *av[])
203 nat64lsn_stats(name, set);
206 NEED1("nat64lsn stats needs command");
207 tcmd = get_token(nat64statscmds, *av, "nat64lsn stats command");
210 nat64lsn_reset_stats(name, set);
214 static struct _s_x nat64listcmds[] = {
215 { "states", TOK_STATES },
216 { "config", TOK_CONFIG },
221 ipfw_nat64lsn_list_handler(const char *name, uint8_t set, int ac, char *av[])
226 nat64lsn_foreach(nat64lsn_show_cb, name, set, 1);
229 NEED1("nat64lsn list needs command");
230 tcmd = get_token(nat64listcmds, *av, "nat64lsn list command");
233 nat64lsn_foreach(nat64lsn_states_cb, name, set, 1);
236 nat64lsn_foreach(nat64lsn_show_cb, name, set, 1);
241 * This one handles all nat64lsn-related commands
242 * ipfw [set N] nat64lsn NAME {create | config} ...
243 * ipfw [set N] nat64lsn NAME stats
244 * ipfw [set N] nat64lsn {NAME | all} destroy
245 * ipfw [set N] nat64lsn {NAME | all} {list | show} [config | states]
247 #define nat64lsn_check_name table_check_name
249 ipfw_nat64lsn_handler(int ac, char *av[])
256 set = co.use_set - 1;
261 NEED1("nat64lsn needs instance name");
263 if (nat64lsn_check_name(name) != 0) {
264 if (strcmp(name, "all") == 0)
267 errx(EX_USAGE, "nat64lsn instance name %s is invalid",
271 NEED1("nat64lsn needs command");
273 tcmd = get_token(nat64cmds, *av, "nat64lsn command");
274 if (name == NULL && tcmd != TOK_DESTROY && tcmd != TOK_LIST)
275 errx(EX_USAGE, "nat64lsn instance name required");
279 nat64lsn_create(name, set, ac, av);
283 nat64lsn_config(name, set, ac, av);
287 ipfw_nat64lsn_list_handler(name, set, ac, av);
291 nat64lsn_foreach(nat64lsn_destroy_cb, NULL, set, 0);
293 nat64lsn_destroy(name, set);
297 ipfw_nat64lsn_stats_handler(name, set, ac, av);
302 nat64lsn_fill_ntlv(ipfw_obj_ntlv *ntlv, const char *name, uint8_t set)
305 ntlv->head.type = IPFW_TLV_EACTION_NAME(1); /* it doesn't matter */
306 ntlv->head.length = sizeof(ipfw_obj_ntlv);
309 strlcpy(ntlv->name, name, sizeof(ntlv->name));
313 nat64lsn_apply_mask(int af, void *prefix, uint16_t plen)
315 struct in6_addr mask6, *p6;
316 struct in_addr mask4, *p4;
319 p4 = (struct in_addr *)prefix;
320 mask4.s_addr = htonl(~((1 << (32 - plen)) - 1));
321 p4->s_addr &= mask4.s_addr;
322 } else if (af == AF_INET6) {
323 p6 = (struct in6_addr *)prefix;
324 n2mask(&mask6, plen);
325 APPLY_MASK(p6, &mask6);
330 nat64lsn_parse_prefix(const char *arg, int af, void *prefix, uint16_t *plen)
337 if ((l = strchr(p, '/')) != NULL)
340 errx(EX_USAGE, "Prefix length required");
341 if (inet_pton(af, p, prefix) != 1)
342 errx(EX_USAGE, "Bad prefix: %s", p);
343 *plen = (uint16_t)strtol(l, &l, 10);
344 if (*l != '\0' || *plen == 0 || (af == AF_INET && *plen > 32) ||
345 (af == AF_INET6 && *plen > 96))
346 errx(EX_USAGE, "Bad prefix length: %s", arg);
347 nat64lsn_apply_mask(af, prefix, *plen);
352 nat64lsn_parse_int(const char *arg, const char *desc)
357 val = (uint32_t)strtol(arg, &p, 10);
359 errx(EX_USAGE, "Invalid %s value: %s\n", desc, arg);
363 static struct _s_x nat64newcmds[] = {
364 { "prefix6", TOK_PREFIX6 },
365 { "agg_len", TOK_AGG_LEN }, /* not yet */
366 { "agg_count", TOK_AGG_COUNT }, /* not yet */
367 { "port_range", TOK_PORT_RANGE }, /* not yet */
368 { "jmaxlen", TOK_JMAXLEN },
369 { "prefix4", TOK_PREFIX4 },
370 { "max_ports", TOK_MAX_PORTS },
371 { "host_del_age", TOK_HOST_DEL_AGE },
372 { "pg_del_age", TOK_PG_DEL_AGE },
373 { "tcp_syn_age", TOK_TCP_SYN_AGE },
374 { "tcp_close_age",TOK_TCP_CLOSE_AGE },
375 { "tcp_est_age", TOK_TCP_EST_AGE },
376 { "udp_age", TOK_UDP_AGE },
377 { "icmp_age", TOK_ICMP_AGE },
379 { "-log", TOK_LOGOFF },
384 * Creates new nat64lsn instance
385 * ipfw nat64lsn <NAME> create
387 * Request: [ ipfw_obj_lheader ipfw_nat64lsn_cfg ]
389 #define NAT64LSN_HAS_PREFIX4 0x01
390 #define NAT64LSN_HAS_PREFIX6 0x02
392 nat64lsn_create(const char *name, uint8_t set, int ac, char **av)
394 char buf[sizeof(ipfw_obj_lheader) + sizeof(ipfw_nat64lsn_cfg)];
395 ipfw_nat64lsn_cfg *cfg;
396 ipfw_obj_lheader *olh;
400 memset(&buf, 0, sizeof(buf));
401 olh = (ipfw_obj_lheader *)buf;
402 cfg = (ipfw_nat64lsn_cfg *)(olh + 1);
404 /* Some reasonable defaults */
405 inet_pton(AF_INET6, "64:ff9b::", &cfg->prefix6);
408 cfg->max_ports = NAT64LSN_MAX_PORTS;
409 cfg->jmaxlen = NAT64LSN_JMAXLEN;
410 cfg->nh_delete_delay = NAT64LSN_HOST_AGE;
411 cfg->pg_delete_delay = NAT64LSN_PG_AGE;
412 cfg->st_syn_ttl = NAT64LSN_TCP_SYN_AGE;
413 cfg->st_estab_ttl = NAT64LSN_TCP_EST_AGE;
414 cfg->st_close_ttl = NAT64LSN_TCP_FIN_AGE;
415 cfg->st_udp_ttl = NAT64LSN_UDP_AGE;
416 cfg->st_icmp_ttl = NAT64LSN_ICMP_AGE;
417 flags = NAT64LSN_HAS_PREFIX6;
419 tcmd = get_token(nat64newcmds, *av, "option");
425 NEED1("IPv4 prefix required");
426 nat64lsn_parse_prefix(*av, AF_INET, &cfg->prefix4,
428 flags |= NAT64LSN_HAS_PREFIX4;
433 NEED1("IPv6 prefix required");
434 nat64lsn_parse_prefix(*av, AF_INET6, &cfg->prefix6,
439 NEED1("Aggregation prefix len required");
440 cfg->agg_prefix_len = nat64lsn_parse_int(*av, opt);
444 NEED1("Max per-prefix count required");
445 cfg->agg_prefix_max = nat64lsn_parse_int(*av, opt);
449 NEED1("port range x[:y] required");
450 if ((p = strchr(*av, ':')) == NULL)
451 cfg->min_port = (uint16_t)nat64lsn_parse_int(
455 cfg->min_port = (uint16_t)nat64lsn_parse_int(
457 cfg->max_port = (uint16_t)nat64lsn_parse_int(
463 NEED1("job queue length required");
464 cfg->jmaxlen = nat64lsn_parse_int(*av, opt);
469 NEED1("Max per-user ports required");
470 cfg->max_ports = nat64lsn_parse_int(*av, opt);
473 case TOK_HOST_DEL_AGE:
474 NEED1("host delete delay required");
475 cfg->nh_delete_delay = (uint16_t)nat64lsn_parse_int(
480 NEED1("portgroup delete delay required");
481 cfg->pg_delete_delay = (uint16_t)nat64lsn_parse_int(
485 case TOK_TCP_SYN_AGE:
486 NEED1("tcp syn age required");
487 cfg->st_syn_ttl = (uint16_t)nat64lsn_parse_int(
491 case TOK_TCP_CLOSE_AGE:
492 NEED1("tcp close age required");
493 cfg->st_close_ttl = (uint16_t)nat64lsn_parse_int(
497 case TOK_TCP_EST_AGE:
498 NEED1("tcp est age required");
499 cfg->st_estab_ttl = (uint16_t)nat64lsn_parse_int(
504 NEED1("udp age required");
505 cfg->st_udp_ttl = (uint16_t)nat64lsn_parse_int(
510 NEED1("icmp age required");
511 cfg->st_icmp_ttl = (uint16_t)nat64lsn_parse_int(
516 cfg->flags |= NAT64_LOG;
519 cfg->flags &= ~NAT64_LOG;
524 /* Check validness */
525 if ((flags & NAT64LSN_HAS_PREFIX4) != NAT64LSN_HAS_PREFIX4)
526 errx(EX_USAGE, "prefix4 required");
529 olh->objsize = sizeof(*cfg);
530 olh->size = sizeof(buf);
531 strlcpy(cfg->name, name, sizeof(cfg->name));
532 if (do_set3(IP_FW_NAT64LSN_CREATE, &olh->opheader, sizeof(buf)) != 0)
533 err(EX_OSERR, "nat64lsn instance creation failed");
537 * Configures existing nat64lsn instance
538 * ipfw nat64lsn <NAME> config <options>
539 * Request: [ ipfw_obj_header ipfw_nat64lsn_cfg ]
542 nat64lsn_config(const char *name, uint8_t set, int ac, char **av)
544 char buf[sizeof(ipfw_obj_header) + sizeof(ipfw_nat64lsn_cfg)];
545 ipfw_nat64lsn_cfg *cfg;
552 errx(EX_USAGE, "config options required");
553 memset(&buf, 0, sizeof(buf));
554 oh = (ipfw_obj_header *)buf;
555 cfg = (ipfw_nat64lsn_cfg *)(oh + 1);
558 nat64lsn_fill_ntlv(&oh->ntlv, name, set);
559 if (do_get3(IP_FW_NAT64LSN_CONFIG, &oh->opheader, &sz) != 0)
560 err(EX_OSERR, "failed to get config for instance %s", name);
563 tcmd = get_token(nat64newcmds, *av, "option");
569 NEED1("Max per-user ports required");
570 cfg->max_ports = nat64lsn_parse_int(*av, opt);
574 NEED1("job queue length required");
575 cfg->jmaxlen = nat64lsn_parse_int(*av, opt);
578 case TOK_HOST_DEL_AGE:
579 NEED1("host delete delay required");
580 cfg->nh_delete_delay = (uint16_t)nat64lsn_parse_int(
585 NEED1("portgroup delete delay required");
586 cfg->pg_delete_delay = (uint16_t)nat64lsn_parse_int(
590 case TOK_TCP_SYN_AGE:
591 NEED1("tcp syn age required");
592 cfg->st_syn_ttl = (uint16_t)nat64lsn_parse_int(
596 case TOK_TCP_CLOSE_AGE:
597 NEED1("tcp close age required");
598 cfg->st_close_ttl = (uint16_t)nat64lsn_parse_int(
602 case TOK_TCP_EST_AGE:
603 NEED1("tcp est age required");
604 cfg->st_estab_ttl = (uint16_t)nat64lsn_parse_int(
609 NEED1("udp age required");
610 cfg->st_udp_ttl = (uint16_t)nat64lsn_parse_int(
615 NEED1("icmp age required");
616 cfg->st_icmp_ttl = (uint16_t)nat64lsn_parse_int(
621 cfg->flags |= NAT64_LOG;
624 cfg->flags &= ~NAT64_LOG;
627 errx(EX_USAGE, "Can't change %s option", opt);
631 if (do_set3(IP_FW_NAT64LSN_CONFIG, &oh->opheader, sizeof(buf)) != 0)
632 err(EX_OSERR, "nat64lsn instance configuration failed");
636 * Reset nat64lsn instance statistics specified by @oh->ntlv.
637 * Request: [ ipfw_obj_header ]
640 nat64lsn_reset_stats(const char *name, uint8_t set)
644 memset(&oh, 0, sizeof(oh));
645 nat64lsn_fill_ntlv(&oh.ntlv, name, set);
646 if (do_set3(IP_FW_NAT64LSN_RESET_STATS, &oh.opheader, sizeof(oh)) != 0)
647 err(EX_OSERR, "failed to reset stats for instance %s", name);
651 * Destroys nat64lsn instance specified by @oh->ntlv.
652 * Request: [ ipfw_obj_header ]
655 nat64lsn_destroy(const char *name, uint8_t set)
659 memset(&oh, 0, sizeof(oh));
660 nat64lsn_fill_ntlv(&oh.ntlv, name, set);
661 if (do_set3(IP_FW_NAT64LSN_DESTROY, &oh.opheader, sizeof(oh)) != 0)
662 err(EX_OSERR, "failed to destroy nat instance %s", name);
666 * Get nat64lsn instance statistics.
667 * Request: [ ipfw_obj_header ]
668 * Reply: [ ipfw_obj_header ipfw_obj_ctlv [ uint64_t x N ] ]
671 nat64lsn_get_stats(const char *name, uint8_t set,
672 struct ipfw_nat64lsn_stats *stats)
678 sz = sizeof(*oh) + sizeof(*oc) + sizeof(*stats);
680 nat64lsn_fill_ntlv(&oh->ntlv, name, set);
681 if (do_get3(IP_FW_NAT64LSN_STATS, &oh->opheader, &sz) == 0) {
682 oc = (ipfw_obj_ctlv *)(oh + 1);
683 memcpy(stats, oc + 1, sizeof(*stats));
692 nat64lsn_stats(const char *name, uint8_t set)
694 struct ipfw_nat64lsn_stats stats;
696 if (nat64lsn_get_stats(name, set, &stats) != 0)
697 err(EX_OSERR, "Error retrieving stats");
699 if (co.use_set != 0 || set != 0)
700 printf("set %u ", set);
701 printf("nat64lsn %s\n", name);
702 printf("\t%ju packets translated from IPv6 to IPv4\n",
703 (uintmax_t)stats.opcnt64);
704 printf("\t%ju packets translated from IPv4 to IPv6\n",
705 (uintmax_t)stats.opcnt46);
706 printf("\t%ju IPv6 fragments created\n",
707 (uintmax_t)stats.ofrags);
708 printf("\t%ju IPv4 fragments received\n",
709 (uintmax_t)stats.ifrags);
710 printf("\t%ju output packets dropped due to no bufs, etc.\n",
711 (uintmax_t)stats.oerrors);
712 printf("\t%ju output packets discarded due to no IPv4 route\n",
713 (uintmax_t)stats.noroute4);
714 printf("\t%ju output packets discarded due to no IPv6 route\n",
715 (uintmax_t)stats.noroute6);
716 printf("\t%ju packets discarded due to unsupported protocol\n",
717 (uintmax_t)stats.noproto);
718 printf("\t%ju packets discarded due to memory allocation problems\n",
719 (uintmax_t)stats.nomem);
720 printf("\t%ju packets discarded due to some errors\n",
721 (uintmax_t)stats.dropped);
722 printf("\t%ju packets not matched with IPv4 prefix\n",
723 (uintmax_t)stats.nomatch4);
725 printf("\t%ju mbufs queued for post processing\n",
726 (uintmax_t)stats.jreinjected);
727 printf("\t%ju times the job queue was processed\n",
728 (uintmax_t)stats.jcalls);
729 printf("\t%ju job requests queued\n",
730 (uintmax_t)stats.jrequests);
731 printf("\t%ju job requests queue limit reached\n",
732 (uintmax_t)stats.jmaxlen);
733 printf("\t%ju job requests failed due to memory allocation problems\n",
734 (uintmax_t)stats.jnomem);
736 printf("\t%ju hosts allocated\n", (uintmax_t)stats.hostcount);
737 printf("\t%ju hosts requested\n", (uintmax_t)stats.jhostsreq);
738 printf("\t%ju host requests failed\n", (uintmax_t)stats.jhostfails);
740 printf("\t%ju portgroups requested\n", (uintmax_t)stats.jportreq);
741 printf("\t%ju portgroups allocated\n", (uintmax_t)stats.spgcreated);
742 printf("\t%ju portgroups deleted\n", (uintmax_t)stats.spgdeleted);
743 printf("\t%ju portgroup requests failed\n",
744 (uintmax_t)stats.jportfails);
745 printf("\t%ju portgroups allocated for TCP\n",
746 (uintmax_t)stats.tcpchunks);
747 printf("\t%ju portgroups allocated for UDP\n",
748 (uintmax_t)stats.udpchunks);
749 printf("\t%ju portgroups allocated for ICMP\n",
750 (uintmax_t)stats.icmpchunks);
752 printf("\t%ju states created\n", (uintmax_t)stats.screated);
753 printf("\t%ju states deleted\n", (uintmax_t)stats.sdeleted);
757 nat64lsn_show_cb(ipfw_nat64lsn_cfg *cfg, const char *name, uint8_t set)
759 char abuf[INET6_ADDRSTRLEN];
761 if (name != NULL && strcmp(cfg->name, name) != 0)
764 if (co.use_set != 0 && cfg->set != set)
767 if (co.use_set != 0 || cfg->set != 0)
768 printf("set %u ", cfg->set);
769 inet_ntop(AF_INET, &cfg->prefix4, abuf, sizeof(abuf));
770 printf("nat64lsn %s prefix4 %s/%u ", cfg->name, abuf, cfg->plen4);
772 inet_ntop(AF_INET6, &cfg->prefix6, abuf, sizeof(abuf));
773 printf("prefix6 %s/%u", abuf, cfg->plen6);
774 printf("agg_len %u agg_count %u ", cfg->agg_prefix_len,
775 cfg->agg_prefix_max);
776 if (cfg->min_port != NAT64LSN_PORT_MIN ||
777 cfg->max_port != NAT64LSN_PORT_MAX)
778 printf(" port_range %u:%u", cfg->min_port, cfg->max_port);
779 if (cfg->jmaxlen != NAT64LSN_JMAXLEN)
780 printf(" jmaxlen %u ", cfg->jmaxlen);
782 if (cfg->max_ports != NAT64LSN_MAX_PORTS)
783 printf(" max_ports %u", cfg->max_ports);
784 if (cfg->nh_delete_delay != NAT64LSN_HOST_AGE)
785 printf(" host_del_age %u", cfg->nh_delete_delay);
786 if (cfg->pg_delete_delay != NAT64LSN_PG_AGE)
787 printf(" pg_del_age %u ", cfg->pg_delete_delay);
788 if (cfg->st_syn_ttl != NAT64LSN_TCP_SYN_AGE)
789 printf(" tcp_syn_age %u", cfg->st_syn_ttl);
790 if (cfg->st_close_ttl != NAT64LSN_TCP_FIN_AGE)
791 printf(" tcp_close_age %u", cfg->st_close_ttl);
792 if (cfg->st_estab_ttl != NAT64LSN_TCP_EST_AGE)
793 printf(" tcp_est_age %u", cfg->st_estab_ttl);
794 if (cfg->st_udp_ttl != NAT64LSN_UDP_AGE)
795 printf(" udp_age %u", cfg->st_udp_ttl);
796 if (cfg->st_icmp_ttl != NAT64LSN_ICMP_AGE)
797 printf(" icmp_age %u", cfg->st_icmp_ttl);
798 if (cfg->flags & NAT64_LOG)
805 nat64lsn_destroy_cb(ipfw_nat64lsn_cfg *cfg, const char *name, uint8_t set)
808 if (co.use_set != 0 && cfg->set != set)
811 nat64lsn_destroy(cfg->name, cfg->set);
817 * Compare nat64lsn instances names.
818 * Honor number comparison.
821 nat64name_cmp(const void *a, const void *b)
823 ipfw_nat64lsn_cfg *ca, *cb;
825 ca = (ipfw_nat64lsn_cfg *)a;
826 cb = (ipfw_nat64lsn_cfg *)b;
828 if (ca->set > cb->set)
830 else if (ca->set < cb->set)
832 return (stringnum_cmp(ca->name, cb->name));
836 * Retrieves nat64lsn instance list from kernel,
837 * optionally sorts it and calls requested function for each instance.
839 * Request: [ ipfw_obj_lheader ]
840 * Reply: [ ipfw_obj_lheader ipfw_nat64lsn_cfg x N ]
843 nat64lsn_foreach(nat64lsn_cb_t *f, const char *name, uint8_t set, int sort)
845 ipfw_obj_lheader *olh;
846 ipfw_nat64lsn_cfg *cfg;
850 /* Start with reasonable default */
851 sz = sizeof(*olh) + 16 * sizeof(ipfw_nat64lsn_cfg);
854 if ((olh = calloc(1, sz)) == NULL)
858 if (do_get3(IP_FW_NAT64LSN_LIST, &olh->opheader, &sz) != 0) {
867 qsort(olh + 1, olh->count, olh->objsize,
870 cfg = (ipfw_nat64lsn_cfg *)(olh + 1);
871 for (i = 0; i < olh->count; i++) {
872 error = f(cfg, name, set); /* Ignore errors for now */
873 cfg = (ipfw_nat64lsn_cfg *)((caddr_t)cfg +