bin/tests/gxba_test.c

/*
 * Copyright (C) 2000, 2001, 2004, 2005, 2007, 2015, 2016  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/.
 */

/* $Id: gxba_test.c,v 1.13 2007/06/19 23:46:59 tbox Exp $ */

/*! \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);
}