2 * firewall3 - 3rd OpenWrt UCI firewall implementation
4 * Copyright (C) 2013-2018 Jo-Philipp Wich <jo@mein.io>
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 #include "redirects.h"
22 const struct fw3_option fw3_redirect_opts
[] = {
23 FW3_OPT("enabled", bool, redirect
, enabled
),
25 FW3_OPT("name", string
, redirect
, name
),
26 FW3_OPT("family", family
, redirect
, family
),
28 FW3_OPT("src", device
, redirect
, src
),
29 FW3_OPT("dest", device
, redirect
, dest
),
31 FW3_OPT("ipset", setmatch
, redirect
, ipset
),
32 FW3_OPT("helper", cthelper
, redirect
, helper
),
34 FW3_LIST("proto", protocol
, redirect
, proto
),
36 FW3_OPT("src_ip", network
, redirect
, ip_src
),
37 FW3_LIST("src_mac", mac
, redirect
, mac_src
),
38 FW3_OPT("src_port", port
, redirect
, port_src
),
40 FW3_OPT("src_dip", network
, redirect
, ip_dest
),
41 FW3_OPT("src_dport", port
, redirect
, port_dest
),
43 FW3_OPT("dest_ip", network
, redirect
, ip_redir
),
44 FW3_OPT("dest_port", port
, redirect
, port_redir
),
46 FW3_OPT("extra", string
, redirect
, extra
),
48 FW3_OPT("limit", limit
, redirect
, limit
),
49 FW3_OPT("limit_burst", int, redirect
, limit
.burst
),
51 FW3_OPT("utc_time", bool, redirect
, time
.utc
),
52 FW3_OPT("start_date", date
, redirect
, time
.datestart
),
53 FW3_OPT("stop_date", date
, redirect
, time
.datestop
),
54 FW3_OPT("start_time", time
, redirect
, time
.timestart
),
55 FW3_OPT("stop_time", time
, redirect
, time
.timestop
),
56 FW3_OPT("weekdays", weekdays
, redirect
, time
.weekdays
),
57 FW3_OPT("monthdays", monthdays
, redirect
, time
.monthdays
),
59 FW3_OPT("mark", mark
, redirect
, mark
),
61 FW3_OPT("reflection", bool, redirect
, reflection
),
62 FW3_OPT("reflection_src", reflection_source
,
63 redirect
, reflection_src
),
64 FW3_LIST("reflection_zone", device
, redirect
, reflection_zones
),
66 FW3_OPT("target", target
, redirect
, target
),
73 check_families(struct uci_element
*e
, struct fw3_redirect
*r
)
75 if (r
->family
== FW3_FAMILY_ANY
)
78 if (r
->_src
&& r
->_src
->family
&& r
->_src
->family
!= r
->family
)
80 warn_elem(e
, "refers to source zone with different family");
84 if (r
->_dest
&& r
->_dest
->family
&& r
->_dest
->family
!= r
->family
)
86 warn_elem(e
, "refers to destination zone with different family");
90 if (r
->ipset
.ptr
&& r
->ipset
.ptr
->family
&&
91 r
->ipset
.ptr
->family
!= r
->family
)
93 warn_elem(e
, "refers to ipset with different family");
97 if (r
->helper
.ptr
&& r
->helper
.ptr
->family
&&
98 r
->helper
.ptr
->family
!= r
->family
)
100 warn_elem(e
, "refers to CT helper not supporting family");
104 if (r
->ip_src
.family
&& r
->ip_src
.family
!= r
->family
)
106 warn_elem(e
, "uses source ip with different family");
110 if (r
->ip_dest
.family
&& r
->ip_dest
.family
!= r
->family
)
112 warn_elem(e
, "uses destination ip with different family");
116 if (r
->ip_redir
.family
&& r
->ip_redir
.family
!= r
->family
)
118 warn_elem(e
, "uses redirect ip with different family");
126 compare_addr(struct fw3_address
*a
, struct fw3_address
*b
)
128 if (a
->family
!= FW3_FAMILY_V4
|| b
->family
!= FW3_FAMILY_V4
)
131 return ((a
->address
.v4
.s_addr
& a
->mask
.v4
.s_addr
) ==
132 (b
->address
.v4
.s_addr
& a
->mask
.v4
.s_addr
));
136 resolve_dest(struct uci_element
*e
, struct fw3_redirect
*redir
,
137 struct fw3_state
*state
)
139 struct fw3_zone
*zone
;
140 struct fw3_address
*addr
;
141 struct list_head
*addrs
;
143 if (!redir
->ip_redir
.set
)
146 list_for_each_entry(zone
, &state
->zones
, list
)
148 addrs
= fw3_resolve_zone_addresses(zone
, NULL
);
153 list_for_each_entry(addr
, addrs
, list
)
155 if (!compare_addr(addr
, &redir
->ip_redir
))
158 snprintf(redir
->dest
.name
, sizeof(redir
->dest
.name
), "%s", zone
->name
);
159 redir
->dest
.set
= true;
165 fw3_free_list(addrs
);
175 check_local(struct uci_element
*e
, struct fw3_redirect
*redir
,
176 struct fw3_state
*state
)
178 if (redir
->target
!= FW3_FLAG_DNAT
)
181 if (!redir
->ip_redir
.set
)
188 select_helper(struct fw3_state
*state
, struct fw3_redirect
*redir
)
190 struct fw3_protocol
*proto
;
191 struct fw3_cthelper
*helper
;
194 if (!state
->defaults
.auto_helper
)
197 if (!redir
->_src
|| redir
->target
!= FW3_FLAG_DNAT
)
200 if (!redir
->port_redir
.set
|| redir
->port_redir
.invert
)
203 if (redir
->helper
.set
|| redir
->helper
.ptr
)
206 if (list_empty(&redir
->proto
))
209 list_for_each_entry(proto
, &redir
->proto
, list
)
211 helper
= fw3_lookup_cthelper_by_proto_port(state
, proto
, &redir
->port_redir
);
220 /* store pointer to auto-selected helper but set ".set" flag to false,
221 * to allow later code to decide between configured or auto-selected
223 redir
->helper
.set
= false;
224 redir
->helper
.ptr
= helper
;
226 set(redir
->_src
->flags
, FW3_FAMILY_V4
, FW3_FLAG_HELPER
);
230 check_redirect(struct fw3_state
*state
, struct fw3_redirect
*redir
, struct uci_element
*e
)
237 if (redir
->src
.invert
)
239 warn_section("redirect", redir
, e
, "must not have an inverted source");
242 else if (redir
->src
.set
&& !redir
->src
.any
&&
243 !(redir
->_src
= fw3_lookup_zone(state
, redir
->src
.name
)))
245 warn_section("redirect", redir
, e
, "refers to not existing zone '%s'",
249 else if (redir
->dest
.set
&& !redir
->dest
.any
&&
250 !(redir
->_dest
= fw3_lookup_zone(state
, redir
->dest
.name
)))
252 warn_section("redirect", redir
, e
, "refers to not existing zone '%s'",
256 else if (redir
->ipset
.set
&& state
->disable_ipsets
)
258 warn_section("redirect", redir
, e
, "skipped due to disabled ipset support");
261 else if (redir
->ipset
.set
&&
262 !(redir
->ipset
.ptr
= fw3_lookup_ipset(state
, redir
->ipset
.name
)))
264 warn_section("redirect", redir
, e
, "refers to unknown ipset '%s'",
268 else if (redir
->helper
.set
&&
269 !(redir
->helper
.ptr
= fw3_lookup_cthelper(state
, redir
->helper
.name
)))
271 warn_section("redirect", redir
, e
, "refers to unknown CT helper '%s'",
276 if (!check_families(e
, redir
))
279 if (redir
->target
== FW3_FLAG_UNSPEC
)
281 warn_section("redirect", redir
, e
, "has no target specified, defaulting to DNAT");
282 redir
->target
= FW3_FLAG_DNAT
;
284 else if (redir
->target
< FW3_FLAG_DNAT
|| redir
->target
> FW3_FLAG_SNAT
)
286 warn_section("redirect", redir
, e
, "has invalid target specified, defaulting to DNAT");
287 redir
->target
= FW3_FLAG_DNAT
;
292 if (redir
->target
== FW3_FLAG_DNAT
)
295 warn_section("redirect", redir
, e
, "must not have source '*' for DNAT target");
296 else if (!redir
->_src
)
297 warn_section("redirect", redir
, e
, "has no source specified");
298 else if (redir
->helper
.invert
)
299 warn_section("redirect", redir
, e
, "must not use a negated helper match");
302 set(redir
->_src
->flags
, FW3_FAMILY_V4
, redir
->target
);
305 if (!check_local(e
, redir
, state
) && !redir
->dest
.set
&&
306 resolve_dest(e
, redir
, state
))
308 warn_section("redirect", redir
, e
,
309 "does not specify a destination, assuming '%s'",
313 if (redir
->reflection
&& redir
->_dest
&& redir
->_src
->masq
)
315 set(redir
->_dest
->flags
, FW3_FAMILY_V4
, FW3_FLAG_ACCEPT
);
316 set(redir
->_dest
->flags
, FW3_FAMILY_V4
, FW3_FLAG_DNAT
);
317 set(redir
->_dest
->flags
, FW3_FAMILY_V4
, FW3_FLAG_SNAT
);
320 if (redir
->helper
.ptr
)
321 set(redir
->_src
->flags
, FW3_FAMILY_V4
, FW3_FLAG_HELPER
);
327 warn_section("redirect", redir
, e
,
328 "must not have destination '*' for SNAT target");
329 else if (!redir
->_dest
)
330 warn_section("redirect", redir
, e
, "has no destination specified");
331 else if (!redir
->ip_dest
.set
)
332 warn_section("redirect", redir
, e
, "has no src_dip option specified");
333 else if (!list_empty(&redir
->mac_src
))
334 warn_section("redirect", redir
, e
, "must not use 'src_mac' option for SNAT target");
335 else if (redir
->helper
.set
)
336 warn_section("redirect", redir
, e
, "must not use 'helper' option for SNAT target");
339 set(redir
->_dest
->flags
, FW3_FAMILY_V4
, redir
->target
);
344 if (list_empty(&redir
->proto
))
346 warn_section("redirect", redir
, e
, "does not specify a protocol, assuming TCP+UDP");
347 fw3_parse_protocol(&redir
->proto
, "tcpudp", true);
353 if (redir
->target
== FW3_FLAG_DNAT
&& !redir
->port_redir
.set
)
354 redir
->port_redir
= redir
->port_dest
;
359 static struct fw3_redirect
*
360 fw3_alloc_redirect(struct fw3_state
*state
)
362 struct fw3_redirect
*redir
;
364 redir
= calloc(1, sizeof(*redir
));
368 INIT_LIST_HEAD(&redir
->proto
);
369 INIT_LIST_HEAD(&redir
->mac_src
);
370 INIT_LIST_HEAD(&redir
->reflection_zones
);
372 redir
->enabled
= true;
373 redir
->reflection
= true;
375 list_add_tail(&redir
->list
, &state
->redirects
);
381 fw3_load_redirects(struct fw3_state
*state
, struct uci_package
*p
,
384 struct uci_section
*s
;
385 struct uci_element
*e
;
386 struct fw3_redirect
*redir
;
387 struct blob_attr
*entry
;
390 INIT_LIST_HEAD(&state
->redirects
);
392 blob_for_each_attr(entry
, a
, rem
)
395 const char *name
= "ubus redirect";
397 if (!fw3_attr_parse_name_type(entry
, &name
, &type
))
400 if (strcmp(type
, "redirect"))
403 redir
= fw3_alloc_redirect(state
);
407 if (!fw3_parse_blob_options(redir
, fw3_redirect_opts
, entry
, name
))
409 warn_section("redirect", redir
, NULL
, "skipped due to invalid options");
410 fw3_free_redirect(redir
);
414 if (!check_redirect(state
, redir
, NULL
)) {
415 fw3_free_redirect(redir
);
419 select_helper(state
, redir
);
422 uci_foreach_element(&p
->sections
, e
)
424 s
= uci_to_section(e
);
426 if (strcmp(s
->type
, "redirect"))
429 redir
= fw3_alloc_redirect(state
);
433 if (!fw3_parse_options(redir
, fw3_redirect_opts
, s
))
435 warn_elem(e
, "skipped due to invalid options");
436 fw3_free_redirect(redir
);
440 if (!check_redirect(state
, redir
, e
)) {
441 fw3_free_redirect(redir
);
445 select_helper(state
, redir
);
450 append_chain_nat(struct fw3_ipt_rule
*r
, struct fw3_redirect
*redir
)
452 if (redir
->target
== FW3_FLAG_DNAT
)
453 fw3_ipt_rule_append(r
, "zone_%s_prerouting", redir
->src
.name
);
455 fw3_ipt_rule_append(r
, "zone_%s_postrouting", redir
->dest
.name
);
459 set_redirect(struct fw3_ipt_rule
*r
, struct fw3_port
*port
)
461 char buf
[sizeof("65535-65535")];
463 fw3_ipt_rule_target(r
, "REDIRECT");
465 if (port
&& port
->set
)
467 if (port
->port_min
== port
->port_max
)
468 snprintf(buf
, sizeof(buf
), "%u", port
->port_min
);
470 snprintf(buf
, sizeof(buf
), "%u-%u", port
->port_min
, port
->port_max
);
472 fw3_ipt_rule_addarg(r
, false, "--to-ports", buf
);
477 set_snat_dnat(struct fw3_ipt_rule
*r
, enum fw3_flag target
,
478 struct fw3_address
*addr
, struct fw3_port
*port
)
480 char buf
[sizeof("255.255.255.255:65535-65535")] = {};
481 char ip
[INET_ADDRSTRLEN
], *p
= buf
;
482 size_t rem
= sizeof(buf
);
485 if (addr
&& addr
->set
)
487 inet_ntop(AF_INET
, &addr
->address
.v4
, ip
, sizeof(ip
));
489 len
= snprintf(p
, rem
, "%s", ip
);
491 if (len
< 0 || len
>= rem
)
498 if (port
&& port
->set
)
500 if (port
->port_min
== port
->port_max
)
501 snprintf(p
, rem
, ":%u", port
->port_min
);
503 snprintf(p
, rem
, ":%u-%u", port
->port_min
, port
->port_max
);
506 if (target
== FW3_FLAG_DNAT
)
508 fw3_ipt_rule_target(r
, "DNAT");
509 fw3_ipt_rule_addarg(r
, false, "--to-destination", buf
);
513 fw3_ipt_rule_target(r
, "SNAT");
514 fw3_ipt_rule_addarg(r
, false, "--to-source", buf
);
519 set_target_nat(struct fw3_ipt_rule
*r
, struct fw3_redirect
*redir
)
522 set_redirect(r
, &redir
->port_redir
);
523 else if (redir
->target
== FW3_FLAG_DNAT
)
524 set_snat_dnat(r
, redir
->target
, &redir
->ip_redir
, &redir
->port_redir
);
526 set_snat_dnat(r
, redir
->target
, &redir
->ip_dest
, &redir
->port_dest
);
530 set_comment(struct fw3_ipt_rule
*r
, const char *name
, int num
, const char *suffix
)
535 fw3_ipt_rule_comment(r
, "%s (%s)", name
, suffix
);
537 fw3_ipt_rule_comment(r
, name
);
542 fw3_ipt_rule_comment(r
, "@redirect[%u] (%s)", num
, suffix
);
544 fw3_ipt_rule_comment(r
, "@redirect[%u]", num
);
549 print_redirect(struct fw3_ipt_handle
*h
, struct fw3_state
*state
,
550 struct fw3_redirect
*redir
, int num
,
551 struct fw3_protocol
*proto
, struct fw3_mac
*mac
)
553 struct fw3_ipt_rule
*r
;
554 struct fw3_address
*src
, *dst
;
555 struct fw3_port
*spt
, *dpt
;
560 src
= &redir
->ip_src
;
561 dst
= &redir
->ip_dest
;
562 spt
= &redir
->port_src
;
563 dpt
= &redir
->port_dest
;
565 if (redir
->target
== FW3_FLAG_SNAT
)
567 dst
= &redir
->ip_redir
;
568 dpt
= &redir
->port_redir
;
571 r
= fw3_ipt_rule_create(h
, proto
, NULL
, NULL
, src
, dst
);
572 fw3_ipt_rule_sport_dport(r
, spt
, dpt
);
573 fw3_ipt_rule_mac(r
, mac
);
574 fw3_ipt_rule_ipset(r
, &redir
->ipset
);
575 fw3_ipt_rule_helper(r
, &redir
->helper
);
576 fw3_ipt_rule_limit(r
, &redir
->limit
);
577 fw3_ipt_rule_time(r
, &redir
->time
);
578 fw3_ipt_rule_mark(r
, &redir
->mark
);
579 set_target_nat(r
, redir
);
580 fw3_ipt_rule_extra(r
, redir
->extra
);
581 set_comment(r
, redir
->name
, num
, NULL
);
582 append_chain_nat(r
, redir
);
586 if (redir
->target
== FW3_FLAG_DNAT
&& redir
->helper
.ptr
)
588 if (!fw3_cthelper_check_proto(redir
->helper
.ptr
, proto
))
590 info(" ! Skipping protocol %s since helper '%s' does not support it",
591 fw3_protoname(proto
), redir
->helper
.ptr
->name
);
595 if (!redir
->helper
.set
)
596 info(" - Auto-selected conntrack helper '%s' based on proto/port",
597 redir
->helper
.ptr
->name
);
599 r
= fw3_ipt_rule_create(h
, proto
, NULL
, NULL
, &redir
->ip_src
, &redir
->ip_redir
);
600 fw3_ipt_rule_sport_dport(r
, &redir
->port_src
, &redir
->port_redir
);
601 fw3_ipt_rule_mac(r
, mac
);
602 fw3_ipt_rule_ipset(r
, &redir
->ipset
);
603 fw3_ipt_rule_limit(r
, &redir
->limit
);
604 fw3_ipt_rule_time(r
, &redir
->time
);
605 fw3_ipt_rule_mark(r
, &redir
->mark
);
606 fw3_ipt_rule_addarg(r
, false, "-m", "conntrack");
607 fw3_ipt_rule_addarg(r
, false, "--ctstate", "DNAT");
608 fw3_ipt_rule_target(r
, "CT");
609 fw3_ipt_rule_addarg(r
, false, "--helper", redir
->helper
.ptr
->name
);
610 set_comment(r
, redir
->name
, num
, "CT helper");
611 fw3_ipt_rule_append(r
, "zone_%s_helper", redir
->_src
->name
);
621 print_reflection(struct fw3_ipt_handle
*h
, struct fw3_state
*state
,
622 struct fw3_redirect
*redir
, int num
,
623 struct fw3_protocol
*proto
, struct fw3_address
*ra
,
624 struct fw3_address
*ia
, struct fw3_address
*ea
, struct fw3_device
*rz
)
626 struct fw3_ipt_rule
*r
;
631 r
= fw3_ipt_rule_create(h
, proto
, NULL
, NULL
, ia
, ea
);
632 fw3_ipt_rule_sport_dport(r
, NULL
, &redir
->port_dest
);
633 fw3_ipt_rule_limit(r
, &redir
->limit
);
634 fw3_ipt_rule_time(r
, &redir
->time
);
635 set_comment(r
, redir
->name
, num
, "reflection");
636 set_snat_dnat(r
, FW3_FLAG_DNAT
, &redir
->ip_redir
, &redir
->port_redir
);
637 fw3_ipt_rule_replace(r
, "zone_%s_prerouting", rz
->name
);
639 r
= fw3_ipt_rule_create(h
, proto
, NULL
, NULL
, ia
, &redir
->ip_redir
);
640 fw3_ipt_rule_sport_dport(r
, NULL
, &redir
->port_redir
);
641 fw3_ipt_rule_limit(r
, &redir
->limit
);
642 fw3_ipt_rule_time(r
, &redir
->time
);
643 set_comment(r
, redir
->name
, num
, "reflection");
644 set_snat_dnat(r
, FW3_FLAG_SNAT
, ra
, NULL
);
645 fw3_ipt_rule_replace(r
, "zone_%s_postrouting", rz
->name
);
654 expand_redirect(struct fw3_ipt_handle
*handle
, struct fw3_state
*state
,
655 struct fw3_redirect
*redir
, int num
)
657 struct list_head
*ext_addrs
, *int_addrs
;
658 struct fw3_address
*ext_addr
, *int_addr
, ref_addr
;
659 struct fw3_protocol
*proto
;
661 struct fw3_device
*reflection_zone
;
662 struct fw3_zone
*zone
;
665 info(" * Redirect '%s'", redir
->name
);
667 info(" * Redirect #%u", num
);
669 if (!fw3_is_family(redir
->_src
, handle
->family
) ||
670 !fw3_is_family(redir
->_dest
, handle
->family
))
672 info(" ! Skipping due to different family of zone");
676 if (!fw3_is_family(&redir
->ip_src
, handle
->family
) ||
677 !fw3_is_family(&redir
->ip_dest
, handle
->family
) ||
678 !fw3_is_family(&redir
->ip_redir
, handle
->family
))
680 if (!redir
->ip_src
.resolved
||
681 !redir
->ip_dest
.resolved
||
682 !redir
->ip_redir
.resolved
)
683 info(" ! Skipping due to different family of ip address");
688 if (redir
->ipset
.ptr
)
690 if (!fw3_is_family(redir
->ipset
.ptr
, handle
->family
))
692 info(" ! Skipping due to different family in ipset");
696 if (!fw3_check_ipset(redir
->ipset
.ptr
))
698 info(" ! Skipping due to missing ipset '%s'",
699 redir
->ipset
.ptr
->external
?
700 redir
->ipset
.ptr
->external
: redir
->ipset
.ptr
->name
);
704 set(redir
->ipset
.ptr
->flags
, handle
->family
, handle
->family
);
707 fw3_foreach(proto
, &redir
->proto
)
708 fw3_foreach(mac
, &redir
->mac_src
)
709 print_redirect(handle
, state
, redir
, num
, proto
, mac
);
711 /* reflection rules */
712 if (redir
->target
!= FW3_FLAG_DNAT
|| !redir
->reflection
|| redir
->local
)
715 if (!redir
->_dest
|| !redir
->_src
->masq
)
718 ext_addrs
= fw3_resolve_zone_addresses(redir
->_src
, &redir
->ip_dest
);
722 list_for_each_entry(ext_addr
, ext_addrs
, list
)
724 if (!fw3_is_family(ext_addr
, handle
->family
))
727 for (reflection_zone
= list_empty(&redir
->reflection_zones
)
729 : list_first_entry(&redir
->reflection_zones
, struct fw3_device
, list
);
730 list_empty(&redir
->reflection_zones
)
731 ? (reflection_zone
== &redir
->dest
)
732 : (&reflection_zone
->list
!= &redir
->reflection_zones
);
733 reflection_zone
= list_empty(&redir
->reflection_zones
)
735 : list_entry(reflection_zone
->list
.next
, struct fw3_device
, list
))
737 zone
= fw3_lookup_zone(state
, reflection_zone
->name
);
742 int_addrs
= fw3_resolve_zone_addresses(zone
, NULL
);
746 list_for_each_entry(int_addr
, int_addrs
, list
)
748 if (!fw3_is_family(int_addr
, handle
->family
))
751 fw3_foreach(proto
, &redir
->proto
)
756 if (redir
->reflection_src
== FW3_REFLECTION_INTERNAL
)
757 ref_addr
= *int_addr
;
759 ref_addr
= *ext_addr
;
761 ref_addr
.mask
.v4
.s_addr
= 0xFFFFFFFF;
762 ext_addr
->mask
.v4
.s_addr
= 0xFFFFFFFF;
764 print_reflection(handle
, state
, redir
, num
, proto
,
765 &ref_addr
, int_addr
, ext_addr
, reflection_zone
);
769 fw3_free_list(int_addrs
);
773 fw3_free_list(ext_addrs
);
777 fw3_print_redirects(struct fw3_ipt_handle
*handle
, struct fw3_state
*state
)
780 struct fw3_redirect
*redir
;
782 if (handle
->family
== FW3_FAMILY_V6
)
785 if (handle
->table
!= FW3_TABLE_FILTER
&&
786 handle
->table
!= FW3_TABLE_NAT
&&
787 handle
->table
!= FW3_TABLE_RAW
)
790 list_for_each_entry(redir
, &state
->redirects
, list
)
792 if (handle
->table
== FW3_TABLE_RAW
&& !redir
->helper
.ptr
)
795 expand_redirect(handle
, state
, redir
, num
++);