1 /*- 2 * Copyright (c) 2012 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Pawel Jakub Dawidek under sponsorship from 6 * the FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 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. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #ifndef _CAP_DNS_H_ 33 #define _CAP_DNS_H_ 34 35 #include <sys/socket.h> /* socklen_t */ 36 37 struct addrinfo; 38 struct hostent; 39 40 struct hostent *cap_gethostbyname(cap_channel_t *chan, const char *name); 41 struct hostent *cap_gethostbyname2(cap_channel_t *chan, const char *name, 42 int type); 43 struct hostent *cap_gethostbyaddr(cap_channel_t *chan, const void *addr, 44 socklen_t len, int type); 45 46 int cap_getaddrinfo(cap_channel_t *chan, const char *hostname, 47 const char *servname, const struct addrinfo *hints, struct addrinfo **res); 48 int cap_getnameinfo(cap_channel_t *chan, const struct sockaddr *sa, 49 socklen_t salen, char *host, size_t hostlen, char *serv, size_t servlen, 50 int flags); 51 52 int cap_dns_type_limit(cap_channel_t *chan, const char * const *types, 53 size_t ntypes); 54 int cap_dns_family_limit(cap_channel_t *chan, const int *families, 55 size_t nfamilies); 56 57 #endif /* !_CAP_DNS_H_ */ 58