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Revision 1.9, Wed Jan 27 08:30:50 2021 UTC (3 years, 4 months ago) by florian
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, OPENBSD_7_4_BASE, OPENBSD_7_4, OPENBSD_7_3_BASE, OPENBSD_7_3, OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, HEAD
Changes since 1.8: +4 -1 lines 

Determine available address families (and monitor when this changes)
to configure libunbound accordingly. This way it no longer tries to
talk to IPv6 nameservers when only IPv4 is available and vice versa.
input deraadt
OK kn

/*	$OpenBSD: frontend.h,v 1.9 2021/01/27 08:30:50 florian Exp $	*/

/*
 * Copyright (c) 2018 Florian Obser <florian@openbsd.org>
 * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#define	HAVE_IPV4	1
#define	HAVE_IPV6	2

struct trust_anchor {
	TAILQ_ENTRY(trust_anchor)	 entry;
	char				*ta;
};

TAILQ_HEAD(trust_anchor_head, trust_anchor);

struct imsg_rdns_proposal {
	uint32_t		 if_index;
	int			 src;
	struct sockaddr_rtdns	 rtdns;
};

struct dns64_prefix {
	struct in6_addr	 in6;
	int		 prefixlen;
	int		 flags;
};

void		 frontend(int, int);
void		 frontend_dispatch_main(int, short, void *);
void		 frontend_dispatch_resolver(int, short, void *);
int		 frontend_imsg_compose_main(int, pid_t, void *, uint16_t);
int		 frontend_imsg_compose_resolver(int, pid_t, void *, uint16_t);
char		*ip_port(struct sockaddr *);
void		 add_new_ta(struct trust_anchor_head *, char *);
void		 free_tas(struct trust_anchor_head *);
int		 merge_tas(struct trust_anchor_head *,
		    struct trust_anchor_head *);