tests/net/netaddr_multicast.c

/*
 * Copyright (C) 2000, 2001, 2004, 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: netaddr_multicast.c,v 1.12 2007/06/19 23:47:00 tbox Exp $ */

#include <config.h>

#include <stdlib.h>
#include <stdio.h>

#include <isc/net.h>
#include <isc/netaddr.h>
#include <isc/print.h>
#include <isc/string.h>
#include <isc/types.h>
#include <isc/util.h>

#include "driver.h"

TESTDECL(netaddr_multicast);

typedef struct {
    int family;
    const char *addr;
    isc_boolean_t is_multicast;
} t_addr_t;

static t_addr_t addrs[] = {
    { AF_INET, "1.2.3.4", ISC_FALSE },
    { AF_INET, "4.3.2.1", ISC_FALSE },
    { AF_INET, "224.1.1.1", ISC_TRUE },
    { AF_INET, "1.1.1.244", ISC_FALSE },
    { AF_INET6, "::1", ISC_FALSE },
    { AF_INET6, "ff02::1", ISC_TRUE }
};
#define NADDRS (sizeof(addrs) / sizeof(t_addr_t))

static isc_result_t to_netaddr(t_addr_t *, isc_netaddr_t *);

static isc_result_t
to_netaddr(t_addr_t *addr, isc_netaddr_t *na) {
    int r;
    struct in_addr in;
    struct in6_addr in6;

    switch (addr->family) {
    case AF_INET:
        r = inet_pton(AF_INET, addr->addr, (unsigned char *)&in);
        if (r != 1)
            return (ISC_R_FAILURE);
        isc_netaddr_fromin(na, &in);
        break;
    case AF_INET6:
        r = inet_pton(AF_INET6, addr->addr, (unsigned char *)&in6);
        if (r != 1)
            return (ISC_R_FAILURE);
        isc_netaddr_fromin6(na, &in6);
        break;
    default:
        return (ISC_R_UNEXPECTED);
    }

    return (ISC_R_SUCCESS);
}

test_result_t
netaddr_multicast(void) {
    isc_netaddr_t na;
    unsigned int n_fail;
    t_addr_t *addr;
    unsigned int i;
    isc_result_t result;
    isc_boolean_t tf;

    n_fail = 0;
    for (i = 0; i < NADDRS; i++) {
        addr = &addrs[i];
        result = to_netaddr(addr, &na);
        if (result != ISC_R_SUCCESS) {
            printf("I:to_netaddr() returned %s on item %u\n",
                   isc_result_totext(result), i);
            return (UNKNOWN);
        }
        tf = isc_netaddr_ismulticast(&na);
        if (tf == addr->is_multicast) {
            printf("I:%s is%s multicast (PASSED)\n",
                   (addr->addr), (tf ? "" : " not"));
        } else {
            printf("I:%s is%s multicast (FAILED)\n",
                   (addr->addr), (tf ? "" : " not"));
            n_fail++;
        }
    }

    if (n_fail > 0)
        return (FAILED);

    return (PASSED);
}