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 #ifdef HAVE_CASPER 36 #define WITH_CASPER 37 #endif 38 39 #include <sys/cdefs.h> 40 #include <sys/socket.h> /* socklen_t */ 41 42 struct addrinfo; 43 struct hostent; 44 45 #ifdef WITH_CASPER 46 __BEGIN_DECLS 47 48 struct hostent *cap_gethostbyname(cap_channel_t *chan, const char *name); 49 struct hostent *cap_gethostbyname2(cap_channel_t *chan, const char *name, 50 int type); 51 struct hostent *cap_gethostbyaddr(cap_channel_t *chan, const void *addr, 52 socklen_t len, int type); 53 54 int cap_getaddrinfo(cap_channel_t *chan, const char *hostname, 55 const char *servname, const struct addrinfo *hints, struct addrinfo **res); 56 int cap_getnameinfo(cap_channel_t *chan, const struct sockaddr *sa, 57 socklen_t salen, char *host, size_t hostlen, char *serv, size_t servlen, 58 int flags); 59 60 int cap_dns_type_limit(cap_channel_t *chan, const char * const *types, 61 size_t ntypes); 62 int cap_dns_family_limit(cap_channel_t *chan, const int *families, 63 size_t nfamilies); 64 65 __END_DECLS 66 #else 67 #define cap_gethostbyname(chan, name) gethostbyname(name) 68 #define cap_gethostbyname2(chan, name, type) gethostbyname2(name, type) 69 #define cap_gethostbyaddr(chan, addr, len, type) gethostbyaddr(addr, len, type) 70 71 #define cap_getaddrinfo(chan, hostname, servname, hints, res) \ 72 getaddrinfo(hostname, servname, hints, res) 73 #define cap_getnameinfo(chan, sa, salen, host, hostlen, serv, servlen, flags) \ 74 getnameinfo(sa, salen, host, hostlen, serv, servlen, flags) 75 76 #define cap_dns_type_limit(chan, types, ntypes) (0) 77 #define cap_dns_family_limit(chan, families, nfamilies) (0) 78 #endif 79 80 #endif /* !_CAP_DNS_H_ */ 81