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/*
* Copyright (c) 2000 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
RCSID("$Id: getaddrinfo_hostspec.c,v 1.3 2000/07/15 12:50:32 joda Exp $");
#endif
#include "roken.h"
/* getaddrinfo via string specifying host and port */
int
roken_getaddrinfo_hostspec2(const char *hostspec,
int socktype,
int port,
struct addrinfo **ai)
{
const char *p;
char portstr[NI_MAXSERV];
char host[MAXHOSTNAMELEN];
struct addrinfo hints;
int hostspec_len;
struct hst {
const char *prefix;
int socktype;
int protocol;
int port;
} *hstp, hst[] = {
{ "http://", SOCK_STREAM, IPPROTO_TCP, 80 },
{ "http/", SOCK_STREAM, IPPROTO_TCP, 80 },
{ "tcp/", SOCK_STREAM, IPPROTO_TCP },
{ "udp/", SOCK_DGRAM, IPPROTO_UDP },
{ NULL }
};
memset(&hints, 0, sizeof(hints));
hints.ai_socktype = socktype;
for(hstp = hst; hstp->prefix; hstp++) {
if(strncmp(hostspec, hstp->prefix, strlen(hstp->prefix)) == 0) {
hints.ai_socktype = hstp->socktype;
hints.ai_protocol = hstp->protocol;
if(port == 0)
port = hstp->port;
hostspec += strlen(hstp->prefix);
break;
}
}
p = strchr (hostspec, ':');
if (p != NULL) {
char *end;
port = strtol (p + 1, &end, 0);
hostspec_len = p - hostspec;
} else {
hostspec_len = strlen(hostspec);
}
snprintf (portstr, sizeof(portstr), "%u", port);
snprintf (host, sizeof(host), "%.*s", hostspec_len, hostspec);
return getaddrinfo (host, portstr, &hints, ai);
}
int
roken_getaddrinfo_hostspec(const char *hostspec,
int port,
struct addrinfo **ai)
{
return roken_getaddrinfo_hostspec2(hostspec, 0, port, ai);
}
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