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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2018 Peter Tribble.
* Copyright (c) 1994-1996, by Sun Microsystems, Inc.
* All rights reserved.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <libsocket_priv.h>
#include "getent.h"
extern char *inet_nettoa(struct in_addr in);
static int
putnetmask(const struct in_addr key, const struct in_addr netmask, FILE *fp)
{
int rc = 0;
struct in_addr net;
net.s_addr = ntohl(key.s_addr);
if (fprintf(fp, "%-20s", inet_nettoa(net)) == EOF)
rc = 1;
if (fprintf(fp, " %s", inet_ntoa(netmask)) == EOF)
rc = 1;
if (putc('\n', fp) == EOF)
rc = 1;
return (rc);
}
/*
* getnetmaskbyaddr - get entries from network database
*/
int
dogetnetmask(const char **list)
{
int rc = EXC_SUCCESS;
struct in_addr addr, netmask;
if (list == NULL || *list == NULL)
return (EXC_ENUM_NOT_SUPPORTED);
for (; *list != NULL; list++) {
addr.s_addr = htonl(inet_network(*list));
if (addr.s_addr != -1) {
if (getnetmaskbyaddr(addr, &netmask) == 0) {
(void) putnetmask(addr, netmask, stdout);
} else {
rc = EXC_NAME_NOT_FOUND;
}
} else {
rc = EXC_NAME_NOT_FOUND;
}
}
return (rc);
}
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