709aa58c74
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@14773 ec53bebd-3082-4978-b11e-865c3cabbd6b
105 lines
3.2 KiB
C
105 lines
3.2 KiB
C
/*
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* Copyright (c) 2000 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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RCSID("$Id$");
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#endif
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#include "roken.h"
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/* getaddrinfo via string specifying host and port */
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int ROKEN_LIB_FUNCTION
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roken_getaddrinfo_hostspec2(const char *hostspec,
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int socktype,
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int port,
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struct addrinfo **ai)
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{
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const char *p;
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char portstr[NI_MAXSERV];
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char host[MAXHOSTNAMELEN];
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struct addrinfo hints;
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int hostspec_len;
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struct hst {
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const char *prefix;
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int socktype;
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int protocol;
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int port;
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} *hstp, hst[] = {
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{ "http://", SOCK_STREAM, IPPROTO_TCP, 80 },
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{ "http/", SOCK_STREAM, IPPROTO_TCP, 80 },
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{ "tcp/", SOCK_STREAM, IPPROTO_TCP },
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{ "udp/", SOCK_DGRAM, IPPROTO_UDP },
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{ NULL }
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};
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memset(&hints, 0, sizeof(hints));
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hints.ai_socktype = socktype;
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for(hstp = hst; hstp->prefix; hstp++) {
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if(strncmp(hostspec, hstp->prefix, strlen(hstp->prefix)) == 0) {
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hints.ai_socktype = hstp->socktype;
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hints.ai_protocol = hstp->protocol;
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if(port == 0)
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port = hstp->port;
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hostspec += strlen(hstp->prefix);
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break;
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}
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}
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p = strchr (hostspec, ':');
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if (p != NULL) {
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char *end;
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port = strtol (p + 1, &end, 0);
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hostspec_len = p - hostspec;
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} else {
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hostspec_len = strlen(hostspec);
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}
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snprintf (portstr, sizeof(portstr), "%u", port);
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snprintf (host, sizeof(host), "%.*s", hostspec_len, hostspec);
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return getaddrinfo (host, portstr, &hints, ai);
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}
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int ROKEN_LIB_FUNCTION
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roken_getaddrinfo_hostspec(const char *hostspec,
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int port,
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struct addrinfo **ai)
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{
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return roken_getaddrinfo_hostspec2(hostspec, 0, port, ai);
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}
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