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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
*/
#ident "%Z%%M% %I% %E% SMI"
/*
* Copyright (c) 1994, 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 "getent.h"
/*
* Print a network number such as 129.144
*/
char *
inet_nettoa(struct in_addr in)
{
u_long addr = htonl(in.s_addr);
u_char *up = (u_char *)&addr;
static char result[256];
/* Omit leading zeros */
if (up[0]) {
(void) sprintf(result, "%d.%d.%d.%d",
up[0], up[1], up[2], up[3]);
} else if (up[1]) {
(void) sprintf(result, "%d.%d.%d", up[1], up[2], up[3]);
} else if (up[2]) {
(void) sprintf(result, "%d.%d", up[2], up[3]);
} else {
(void) sprintf(result, "%d", up[3]);
}
return (result);
}
static int
putnetent(const struct netent *np, FILE *fp)
{
char **p;
int rc = 0;
struct in_addr in;
if (np == NULL) {
return (1);
}
in.s_addr = np->n_net;
if (fprintf(fp, "%-20s %s",
np->n_name, inet_nettoa(in)) == EOF)
rc = 1;
for (p = np->n_aliases; *p != 0; p++) {
if (fprintf(fp, " %s", *p) == EOF)
rc = 1;
}
if (putc('\n', fp) == EOF)
rc = 1;
return (rc);
}
/*
* getnetbyname/addr - get entries from network database
*/
int
dogetnet(const char **list)
{
struct netent *np;
int rc = EXC_SUCCESS;
if (list == NULL || *list == NULL) {
while ((np = getnetent()) != NULL)
(void) putnetent(np, stdout);
} else {
for (; *list != NULL; list++) {
long addr = inet_network(*list);
if (addr != -1)
np = getnetbyaddr(addr, AF_INET);
else
np = getnetbyname(*list);
if (np == NULL)
rc = EXC_NAME_NOT_FOUND;
else
(void) putnetent(np, stdout);
}
}
return (rc);
}
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