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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*! \file */
#include <config.h>
#include <stdio.h>
#include <isc/net.h>
#include <isc/print.h>
#include <lwres/netdb.h>
static void
print_he(struct hostent *he, int error, const char *fun, const char *name) {
char **c;
int i;
if (he != NULL) {
printf("%s(%s):\n", fun, name);
printf("\tname = %s\n", he->h_name);
printf("\taddrtype = %d\n", he->h_addrtype);
printf("\tlength = %d\n", he->h_length);
c = he->h_aliases;
i = 1;
while (*c != NULL) {
printf("\talias[%d] = %s\n", i, *c);
i++;
c++;
}
c = he->h_addr_list;
i = 1;
while (*c != NULL) {
char buf[128];
inet_ntop(he->h_addrtype, *c, buf, sizeof(buf));
printf("\taddress[%d] = %s\n", i, buf);
c++;
i++;
}
} else {
printf("%s(%s): error = %d (%s)\n", fun, name, error,
hstrerror(error));
}
}
int
main(int argc, char **argv) {
struct hostent *he;
int error;
struct in_addr in_addr;
struct in6_addr in6_addr;
void *addr;
int af;
size_t len;
(void)argc;
while (argv[1] != NULL) {
if (inet_pton(AF_INET, argv[1], &in_addr) == 1) {
af = AF_INET;
addr = &in_addr;
len = sizeof(in_addr);
} else if (inet_pton(AF_INET6, argv[1], &in6_addr) == 1) {
af = AF_INET6;
addr = &in6_addr;
len = sizeof(in6_addr);
} else {
printf("unable to convert \"%s\" to an address\n",
argv[1]);
argv++;
continue;
}
he = gethostbyaddr(addr, len, af);
print_he(he, h_errno, "gethostbyaddr", argv[1]);
he = getipnodebyaddr(addr, len, af, &error);
print_he(he, error, "getipnodebyaddr", argv[1]);
if (he != NULL)
freehostent(he);
argv++;
}
return (0);
}
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