1*0a6a1f1dSLionel Sambuc /* $NetBSD: getaddrinfo_hostspec.c,v 1.1.1.2 2014/04/24 12:45:52 pettai Exp $ */
2ebfedea0SLionel Sambuc
3ebfedea0SLionel Sambuc /*
4ebfedea0SLionel Sambuc * Copyright (c) 2000 Kungliga Tekniska Högskolan
5ebfedea0SLionel Sambuc * (Royal Institute of Technology, Stockholm, Sweden).
6ebfedea0SLionel Sambuc * All rights reserved.
7ebfedea0SLionel Sambuc *
8ebfedea0SLionel Sambuc * Redistribution and use in source and binary forms, with or without
9ebfedea0SLionel Sambuc * modification, are permitted provided that the following conditions
10ebfedea0SLionel Sambuc * are met:
11ebfedea0SLionel Sambuc *
12ebfedea0SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
13ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer.
14ebfedea0SLionel Sambuc *
15ebfedea0SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
16ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer in the
17ebfedea0SLionel Sambuc * documentation and/or other materials provided with the distribution.
18ebfedea0SLionel Sambuc *
19ebfedea0SLionel Sambuc * 3. Neither the name of the Institute nor the names of its contributors
20ebfedea0SLionel Sambuc * may be used to endorse or promote products derived from this software
21ebfedea0SLionel Sambuc * without specific prior written permission.
22ebfedea0SLionel Sambuc *
23ebfedea0SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24ebfedea0SLionel Sambuc * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25ebfedea0SLionel Sambuc * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26ebfedea0SLionel Sambuc * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27ebfedea0SLionel Sambuc * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28ebfedea0SLionel Sambuc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29ebfedea0SLionel Sambuc * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30ebfedea0SLionel Sambuc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31ebfedea0SLionel Sambuc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32ebfedea0SLionel Sambuc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33ebfedea0SLionel Sambuc * SUCH DAMAGE.
34ebfedea0SLionel Sambuc */
35ebfedea0SLionel Sambuc
36ebfedea0SLionel Sambuc #include <config.h>
37ebfedea0SLionel Sambuc
38ebfedea0SLionel Sambuc #include <krb5/roken.h>
39ebfedea0SLionel Sambuc
40ebfedea0SLionel Sambuc /* getaddrinfo via string specifying host and port */
41ebfedea0SLionel Sambuc
42ebfedea0SLionel Sambuc ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
roken_getaddrinfo_hostspec2(const char * hostspec,int socktype,int port,struct addrinfo ** ai)43ebfedea0SLionel Sambuc roken_getaddrinfo_hostspec2(const char *hostspec,
44ebfedea0SLionel Sambuc int socktype,
45ebfedea0SLionel Sambuc int port,
46ebfedea0SLionel Sambuc struct addrinfo **ai)
47ebfedea0SLionel Sambuc {
48ebfedea0SLionel Sambuc const char *p;
49ebfedea0SLionel Sambuc char portstr[NI_MAXSERV];
50ebfedea0SLionel Sambuc char host[MAXHOSTNAMELEN];
51ebfedea0SLionel Sambuc struct addrinfo hints;
52ebfedea0SLionel Sambuc int hostspec_len;
53ebfedea0SLionel Sambuc
54ebfedea0SLionel Sambuc struct hst {
55ebfedea0SLionel Sambuc const char *prefix;
56ebfedea0SLionel Sambuc int socktype;
57ebfedea0SLionel Sambuc int protocol;
58ebfedea0SLionel Sambuc int port;
59ebfedea0SLionel Sambuc } *hstp, hst[] = {
60ebfedea0SLionel Sambuc { "http://", SOCK_STREAM, IPPROTO_TCP, 80 },
61ebfedea0SLionel Sambuc { "http/", SOCK_STREAM, IPPROTO_TCP, 80 },
62*0a6a1f1dSLionel Sambuc { "tcp/", SOCK_STREAM, IPPROTO_TCP, 0 },
63*0a6a1f1dSLionel Sambuc { "udp/", SOCK_DGRAM, IPPROTO_UDP, 0 },
64*0a6a1f1dSLionel Sambuc { NULL, 0, 0, 0 }
65ebfedea0SLionel Sambuc };
66ebfedea0SLionel Sambuc
67ebfedea0SLionel Sambuc memset(&hints, 0, sizeof(hints));
68ebfedea0SLionel Sambuc
69ebfedea0SLionel Sambuc hints.ai_socktype = socktype;
70ebfedea0SLionel Sambuc
71ebfedea0SLionel Sambuc for(hstp = hst; hstp->prefix; hstp++) {
72ebfedea0SLionel Sambuc if(strncmp(hostspec, hstp->prefix, strlen(hstp->prefix)) == 0) {
73ebfedea0SLionel Sambuc hints.ai_socktype = hstp->socktype;
74ebfedea0SLionel Sambuc hints.ai_protocol = hstp->protocol;
75ebfedea0SLionel Sambuc if(port == 0)
76ebfedea0SLionel Sambuc port = hstp->port;
77ebfedea0SLionel Sambuc hostspec += strlen(hstp->prefix);
78ebfedea0SLionel Sambuc break;
79ebfedea0SLionel Sambuc }
80ebfedea0SLionel Sambuc }
81ebfedea0SLionel Sambuc
82ebfedea0SLionel Sambuc p = strchr (hostspec, ':');
83ebfedea0SLionel Sambuc if (p != NULL) {
84ebfedea0SLionel Sambuc char *end;
85ebfedea0SLionel Sambuc
86ebfedea0SLionel Sambuc port = strtol (p + 1, &end, 0);
87ebfedea0SLionel Sambuc hostspec_len = p - hostspec;
88ebfedea0SLionel Sambuc } else {
89ebfedea0SLionel Sambuc hostspec_len = strlen(hostspec);
90ebfedea0SLionel Sambuc }
91ebfedea0SLionel Sambuc snprintf (portstr, sizeof(portstr), "%u", port);
92ebfedea0SLionel Sambuc
93ebfedea0SLionel Sambuc snprintf (host, sizeof(host), "%.*s", hostspec_len, hostspec);
94ebfedea0SLionel Sambuc return getaddrinfo (host, portstr, &hints, ai);
95ebfedea0SLionel Sambuc }
96ebfedea0SLionel Sambuc
97ebfedea0SLionel Sambuc ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
roken_getaddrinfo_hostspec(const char * hostspec,int port,struct addrinfo ** ai)98ebfedea0SLionel Sambuc roken_getaddrinfo_hostspec(const char *hostspec,
99ebfedea0SLionel Sambuc int port,
100ebfedea0SLionel Sambuc struct addrinfo **ai)
101ebfedea0SLionel Sambuc {
102ebfedea0SLionel Sambuc return roken_getaddrinfo_hostspec2(hostspec, 0, port, ai);
103ebfedea0SLionel Sambuc }
104