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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) 1994-1999, by Sun Microsystems, Inc.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>
#include <netdb.h>
#include "getent.h"
static int
puthostent(const struct hostent *hp, FILE *fp)
{
char **p;
int rc = 0;
char obuf[INET6_ADDRSTRLEN];
if (hp == NULL) {
return (1);
}
for (p = hp->h_addr_list; *p != 0; p++) {
void *addr;
struct in_addr in4;
int af;
const char *res;
char **q;
if (hp->h_addrtype == AF_INET6) {
if (IN6_IS_ADDR_V4MAPPED((struct in6_addr *)*p)) {
IN6_V4MAPPED_TO_INADDR((struct in6_addr *)*p,
&in4);
af = AF_INET;
addr = &in4;
} else {
af = AF_INET6;
addr = *p;
}
} else {
af = AF_INET;
addr = *p;
}
res = inet_ntop(af, addr, obuf, sizeof (obuf));
if (res == 0) {
rc = 1;
continue;
}
if (fprintf(fp, "%s\t%s", res, hp->h_name) == EOF)
rc = 1;
for (q = hp->h_aliases; q && *q; q++) {
if (fprintf(fp, " %s", *q) == EOF)
rc = 1;
}
if (putc('\n', fp) == EOF)
rc = 1;
}
return (rc);
}
/*
* getipnodebyname/addr - get entries from ipnodes database
*/
int
dogetipnodes(const char **list)
{
struct hostent *hp;
int rc = EXC_SUCCESS;
struct in6_addr in6;
struct in_addr in4;
int af, len;
void *addr;
int err_ret;
if (list == NULL || *list == NULL) {
rc = EXC_ENUM_NOT_SUPPORTED;
} else {
for (; *list != NULL; list++) {
if (strchr(*list, ':') != 0) {
af = AF_INET6;
len = sizeof (in6);
addr = &in6;
} else {
af = AF_INET;
len = sizeof (in4);
addr = &in4;
}
if (inet_pton(af, *list, addr) == 1)
hp = getipnodebyaddr(addr, len, af, &err_ret);
else
hp = getipnodebyname(*list, AF_INET6,
AI_V4MAPPED|AI_ALL, &err_ret);
if (hp == NULL)
rc = EXC_NAME_NOT_FOUND;
else
(void) puthostent(hp, stdout);
}
}
return (rc);
}
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