2 * Copyright (c) 2012 The FreeBSD Foundation
5 * This software was developed by Pawel Jakub Dawidek under sponsorship from
6 * the FreeBSD Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
37 #include <sys/cdefs.h>
38 #include <sys/socket.h> /* socklen_t */
41 * Pull these in if we're just inlining calls to the underlying
45 #include <sys/types.h>
47 #endif /* WITH_CASPER */
55 struct hostent *cap_gethostbyname(cap_channel_t *chan, const char *name);
56 struct hostent *cap_gethostbyname2(cap_channel_t *chan, const char *name,
58 struct hostent *cap_gethostbyaddr(cap_channel_t *chan, const void *addr,
59 socklen_t len, int type);
61 int cap_getaddrinfo(cap_channel_t *chan, const char *hostname,
62 const char *servname, const struct addrinfo *hints, struct addrinfo **res);
63 int cap_getnameinfo(cap_channel_t *chan, const struct sockaddr *sa,
64 socklen_t salen, char *host, size_t hostlen, char *serv, size_t servlen,
67 int cap_dns_type_limit(cap_channel_t *chan, const char * const *types,
69 int cap_dns_family_limit(cap_channel_t *chan, const int *families,
75 static inline struct hostent *
76 cap_gethostbyname(cap_channel_t *chan __unused, const char *name)
79 return (gethostbyname(name));
82 static inline struct hostent *
83 cap_gethostbyname2(cap_channel_t *chan __unused, const char *name, int type)
86 return (gethostbyname2(name, type));
89 static inline struct hostent *
90 cap_gethostbyaddr(cap_channel_t *chan __unused, const void *addr,
91 socklen_t len, int type)
94 return (gethostbyaddr(addr, len, type));
97 static inline int cap_getaddrinfo(cap_channel_t *chan __unused,
98 const char *hostname, const char *servname, const struct addrinfo *hints,
99 struct addrinfo **res)
102 return (getaddrinfo(hostname, servname, hints, res));
105 static inline int cap_getnameinfo(cap_channel_t *chan __unused,
106 const struct sockaddr *sa, socklen_t salen, char *host, size_t hostlen,
107 char *serv, size_t servlen, int flags)
110 return (getnameinfo(sa, salen, host, hostlen, serv, servlen, flags));
114 cap_dns_type_limit(cap_channel_t *chan __unused,
115 const char * const *types __unused,
116 size_t ntypes __unused)
123 cap_dns_family_limit(cap_channel_t *chan __unused,
124 const int *families __unused,
125 size_t nfamilies __unused)
130 #endif /* WITH_CASPER */
132 #endif /* !_CAP_DNS_H_ */