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
39 #include <sys/cdefs.h>
40 #include <sys/socket.h> /* socklen_t */
43 * Pull these in if we're just inlining calls to the underlying
47 #include <sys/types.h>
49 #endif /* WITH_CASPER */
57 struct hostent *cap_gethostbyname(cap_channel_t *chan, const char *name);
58 struct hostent *cap_gethostbyname2(cap_channel_t *chan, const char *name,
60 struct hostent *cap_gethostbyaddr(cap_channel_t *chan, const void *addr,
61 socklen_t len, int type);
63 int cap_getaddrinfo(cap_channel_t *chan, const char *hostname,
64 const char *servname, const struct addrinfo *hints, struct addrinfo **res);
65 int cap_getnameinfo(cap_channel_t *chan, const struct sockaddr *sa,
66 socklen_t salen, char *host, size_t hostlen, char *serv, size_t servlen,
69 int cap_dns_type_limit(cap_channel_t *chan, const char * const *types,
71 int cap_dns_family_limit(cap_channel_t *chan, const int *families,
77 static inline struct hostent *
78 cap_gethostbyname(cap_channel_t *chan __unused, const char *name)
81 return (gethostbyname(name));
84 static inline struct hostent *
85 cap_gethostbyname2(cap_channel_t *chan __unused, const char *name, int type)
88 return (gethostbyname2(name, type));
91 static inline struct hostent *
92 cap_gethostbyaddr(cap_channel_t *chan __unused, const void *addr,
93 socklen_t len, int type)
96 return (gethostbyaddr(addr, len, type));
99 static inline int cap_getaddrinfo(cap_channel_t *chan __unused,
100 const char *hostname, const char *servname, const struct addrinfo *hints,
101 struct addrinfo **res)
104 return (getaddrinfo(hostname, servname, hints, res));
107 static inline int cap_getnameinfo(cap_channel_t *chan __unused,
108 const struct sockaddr *sa, socklen_t salen, char *host, size_t hostlen,
109 char *serv, size_t servlen, int flags)
112 return (getnameinfo(sa, salen, host, hostlen, serv, servlen, flags));
116 cap_dns_type_limit(cap_channel_t *chan __unused,
117 const char * const *types __unused,
118 size_t ntypes __unused)
125 cap_dns_family_limit(cap_channel_t *chan __unused,
126 const int *families __unused,
127 size_t nfamilies __unused)
132 #endif /* WITH_CASPER */
134 #endif /* !_CAP_DNS_H_ */