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/*-
* Copyright (c) 1994, Garrett Wollman
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE 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 REGENTS 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.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)$Id: getnetbynis.c,v 1.2 1994/09/26 02:50:43 wollman Exp $";
static char rcsid[] = "$Id: getnetbynis.c,v 1.2 1994/09/26 02:50:43 wollman Exp $";
#endif /* LIBC_SCCS and not lint */
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <string.h>
#define MAXALIASES 35
#define MAXADDRS 35
#ifdef YP
static char *host_aliases[MAXALIASES];
#endif /* YP */
static struct netent *
_getnetbynis(name, map)
char *name, *map;
{
#ifdef YP
register char *cp, **q;
static char *result;
int resultlen;
static struct netent h;
static char *domain = (char *)NULL;
if (domain == (char *)NULL)
if (yp_get_default_domain (&domain))
return (NULL);
if (result) {
free(result);
result = 0;
}
if (yp_match(domain, map, name, strlen(name), &result, &resultlen))
return (NULL);
if ((cp = index(result, '\n')))
*cp = '\0';
cp = strpbrk(result, " \t");
*cp++ = '\0';
h.n_name = result;
while (*cp == ' ' || *cp == '\t')
cp++;
h.n_net = inet_network(cp);
h.n_addrtype = AF_INET;
q = h.n_aliases = host_aliases;
cp = strpbrk(cp, " \t");
if (cp != NULL)
*cp++ = '\0';
while (cp && *cp) {
if (*cp == ' ' || *cp == '\t') {
cp++;
continue;
}
if (q < &host_aliases[MAXALIASES - 1])
*q++ = cp;
cp = strpbrk(cp, " \t");
if (cp != NULL)
*cp++ = '\0';
}
*q = NULL;
return (&h);
#else
return (NULL);
#endif
}
struct netent *
_getnetbynisname(name)
char *name;
{
return _getnetbynis(name, "networks.byname");
}
struct netent *
_getnetbynisaddr(addr, type)
long addr;
int type;
{
struct in_addr in;
char *str, *cp;
struct netent *np;
if (type != AF_INET)
return (NULL);
in.s_addr = addr;
str = inet_ntoa(in);
cp = str + strlen(str) - 2;
while(!strcmp(cp, ".0")) {
*cp = '\0';
cp = str + strlen(str) - 2;
}
return _getnetbynis(str, "networks.byaddr");
}
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