freebsd-dev/lib/libcapsicum/libcapsicum_dns.h

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/*-
* Copyright (c) 2012 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Pawel Jakub Dawidek under sponsorship from
* the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _LIBCAPSICUM_DNS_H_
#define _LIBCAPSICUM_DNS_H_
#include <sys/socket.h> /* socklen_t */
struct addrinfo;
struct hostent;
struct hostent *cap_gethostbyname(cap_channel_t *chan, const char *name);
struct hostent *cap_gethostbyname2(cap_channel_t *chan, const char *name,
int type);
struct hostent *cap_gethostbyaddr(cap_channel_t *chan, const void *addr,
socklen_t len, int type);
int cap_getaddrinfo(cap_channel_t *chan, const char *hostname,
const char *servname, const struct addrinfo *hints, struct addrinfo **res);
int cap_getnameinfo(cap_channel_t *chan, const struct sockaddr *sa,
socklen_t salen, char *host, size_t hostlen, char *serv, size_t servlen,
int flags);
int cap_dns_type_limit(cap_channel_t *chan, const char * const *types,
size_t ntypes);
int cap_dns_family_limit(cap_channel_t *chan, const int *families,
size_t nfamilies);
#endif /* !_LIBCAPSICUM_DNS_H_ */