system/lwresd/lwtest.c

/*
 * Copyright (C) 2004, 2007, 2008, 2012  Internet Systems Consortium, Inc. ("ISC")
 * Copyright (C) 2000-2002  Internet Software Consortium.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

/* $Id: lwtest.c,v 1.32 2008/04/02 02:37:42 marka Exp $ */

#include <config.h>

#include <assert.h>
#include <stdlib.h>

#include <isc/net.h>
#include <isc/string.h>

#include <lwres/lwres.h>
#include <lwres/netdb.h>
#include <lwres/net.h>

/*
 * XXX getnameinfo errors, which don't appear to be standard.
 */
#define ENI_NOSERVNAME  1
#define ENI_NOHOSTNAME  2
#define ENI_MEMORY      3
#define ENI_SYSTEM      4
#define ENI_FAMILY      5
#define ENI_SALEN       6
#define ENI_NOSOCKET    7

static int fails = 0;

static void
CHECK(lwres_result_t val, const char *msg) {
    if (val != 0) {
        printf("I:%s returned %d\n", msg, val);
        exit(1);
    }
}

static unsigned char TESTSTRING[] =
    "This is a test.  This is only a test.  !!!";

static lwres_context_t *ctx;

static void
test_noop(void) {
    lwres_result_t ret;
    lwres_lwpacket_t pkt, pkt2;
    lwres_nooprequest_t nooprequest, *nooprequest2;
    lwres_noopresponse_t noopresponse, *noopresponse2;
    lwres_buffer_t b;

    pkt.pktflags = 0;
    pkt.serial = 0x11223344;
    pkt.recvlength = 0x55667788;
    pkt.result = 0;

    nooprequest.datalength = strlen((char *)TESTSTRING);
    nooprequest.data = TESTSTRING;
    ret = lwres_nooprequest_render(ctx, &nooprequest, &pkt, &b);
    CHECK(ret, "lwres_nooprequest_render");

    /*
     * Now, parse it into a new structure.
     */
    lwres_buffer_first(&b);
    ret = lwres_lwpacket_parseheader(&b, &pkt2);
    CHECK(ret, "lwres_lwpacket_parseheader");

    nooprequest2 = NULL;
    ret = lwres_nooprequest_parse(ctx, &b, &pkt2, &nooprequest2);
    CHECK(ret, "lwres_nooprequest_parse");

    assert(nooprequest.datalength == nooprequest2->datalength);
    assert(memcmp(nooprequest.data, nooprequest2->data,
               nooprequest.datalength) == 0);

    lwres_nooprequest_free(ctx, &nooprequest2);

    lwres_context_freemem(ctx, b.base, b.length);
    b.base = NULL;
    b.length = 0;

    pkt.pktflags = 0;
    pkt.serial = 0x11223344;
    pkt.recvlength = 0x55667788;
    pkt.result = 0xdeadbeef;

    noopresponse.datalength = strlen((char *)TESTSTRING);
    noopresponse.data = TESTSTRING;
    ret = lwres_noopresponse_render(ctx, &noopresponse, &pkt, &b);
    CHECK(ret, "lwres_noopresponse_render");

    /*
     * Now, parse it into a new structure.
     */
    lwres_buffer_first(&b);
    ret = lwres_lwpacket_parseheader(&b, &pkt2);
    CHECK(ret, "lwres_lwpacket_parseheader");

    noopresponse2 = NULL;
    ret = lwres_noopresponse_parse(ctx, &b, &pkt2, &noopresponse2);
    CHECK(ret, "lwres_noopresponse_parse");

    assert(noopresponse.datalength == noopresponse2->datalength);
    assert(memcmp(noopresponse.data, noopresponse2->data,
               noopresponse.datalength) == 0);

    lwres_noopresponse_free(ctx, &noopresponse2);

    lwres_context_freemem(ctx, b.base, b.length);
    b.base = NULL;
    b.length = 0;
}

static void
test_gabn(const char *target, lwres_result_t expected, const char *address,
      lwres_uint32_t af)
{
    lwres_gabnresponse_t *res;
    unsigned char addrbuf[16];
    lwres_addr_t *addr;
    char outbuf[64];
    unsigned int len;
    lwres_result_t ret;

    res = NULL;
    ret = lwres_getaddrsbyname(ctx, target,
                   LWRES_ADDRTYPE_V4 | LWRES_ADDRTYPE_V6,
                   &res);
    if (ret != expected) {
        printf("I:gabn(%s) failed: %d\n", target, ret);
        if (res != NULL)
            lwres_gabnresponse_free(ctx, &res);
        fails++;
        return;
    }
    if (ret == LWRES_R_SUCCESS) {
        if (af == LWRES_ADDRTYPE_V4) {
            len = 4;
            ret = inet_pton(AF_INET, address, addrbuf);
            assert(ret == 1);
        } else {
            len = 16;
            ret = inet_pton(AF_INET6, address, addrbuf);
            assert(ret == 1);
        }
        addr = LWRES_LIST_HEAD(res->addrs);
        if (addr == NULL) {
            printf("I:gabn(%s) returned empty list\n", target);
            fails++;
            return;
        }
        while (addr != NULL) {
            if (addr->family != af || addr->length != len ||
                memcmp(addr->address, addrbuf, len) == 0)
                break;
            addr = LWRES_LIST_NEXT(addr, link);
        }
        if (addr == NULL) {
            addr = LWRES_LIST_HEAD(res->addrs);
            if (addr->family == LWRES_ADDRTYPE_V4)
                (void)inet_ntop(AF_INET, addr->address,
                        outbuf, sizeof(outbuf));
            else
                (void)inet_ntop(AF_INET6, addr->address,
                        outbuf, sizeof(outbuf));
            printf("I:gabn(%s) returned %s, expected %s\n",
                target, outbuf, address);
            fails++;
            return;
        }
    }
    if (res != NULL)
        lwres_gabnresponse_free(ctx, &res);
}

static void
test_gnba(const char *target, lwres_uint32_t af, lwres_result_t expected,
      const char *name)
{
    lwres_gnbaresponse_t *res;
    lwres_result_t ret;
    unsigned char addrbuf[16];
    unsigned int len;

    if (af == LWRES_ADDRTYPE_V4) {
        len = 4;
        ret = inet_pton(AF_INET, target, addrbuf);
        assert(ret == 1);
    } else {
        len = 16;
        ret = inet_pton(AF_INET6, target, addrbuf);
        assert(ret == 1);
    }

    res = NULL;
    ret = lwres_getnamebyaddr(ctx, af, len, addrbuf, &res);
    if (ret != expected) {
        printf("I:gnba(%s) failed: %d\n", target, ret);
        if (res != NULL)
            lwres_gnbaresponse_free(ctx, &res);
        fails++;
        return;
    }
    if (ret == LWRES_R_SUCCESS && strcasecmp(res->realname, name) != 0) {
         printf("I:gnba(%s) returned %s, expected %s\n",
            target, res->realname, name);
         fails++;
         return;
    }
    if (res != NULL)
        lwres_gnbaresponse_free(ctx, &res);
}

static void
test_gethostbyname(const char *name, const char *address) {
    struct hostent *hp;
    unsigned char addrbuf[16];
    int ret;

    hp = gethostbyname(name);
    if (hp == NULL) {
        if (address == NULL && h_errno == HOST_NOT_FOUND)
            return;
        else if (h_errno != HOST_NOT_FOUND) {
            printf("I:gethostbyname(%s) failed: %s\n",
                   name, hstrerror(h_errno));
            fails++;
            return;
        } else {
            printf("I:gethostbyname(%s) returned not found\n",
                   name);
            fails++;
            return;
        }
    } else {
        ret = inet_pton(AF_INET, address, addrbuf);
        assert(ret == 1);
        if (memcmp(hp->h_addr_list[0], addrbuf, hp->h_length) != 0) {
            char outbuf[16];
            (void)inet_ntop(AF_INET, hp->h_addr_list[0],
                    outbuf, sizeof(outbuf));
            printf("I:gethostbyname(%s) returned %s, "
                   "expected %s\n", name, outbuf, address);
            fails++;
            return;
        }
    }
}

static void
test_gethostbyname2(const char *name, const char *address, int af) {
    struct hostent *hp;
    unsigned char addrbuf[16];
    int len, ret;

    hp = gethostbyname2(name, af);
    if (hp == NULL) {
        if (address == NULL && h_errno == HOST_NOT_FOUND)
            return;
        else if (h_errno != HOST_NOT_FOUND) {
            printf("I:gethostbyname(%s) failed: %s\n",
                   name, hstrerror(h_errno));
            fails++;
            return;
        } else {
            printf("I:gethostbyname(%s) returned not found\n",
                   name);
            fails++;
            return;
        }
    } else {
        if (af == AF_INET)
            len = 4;
        else
            len = 16;
        ret = inet_pton(af, address, addrbuf);
        assert(ret == 1);
        if (hp->h_addrtype != af) {
            printf("I:gethostbyname(%s) returned wrong family\n",
                   name);
            fails++;
            return;
        }
        if (len != (int)hp->h_length ||
            memcmp(hp->h_addr_list[0], addrbuf, hp->h_length) != 0)
        {
            char outbuf[16];
            (void)inet_ntop(af, hp->h_addr_list[0],
                    outbuf, sizeof(outbuf));
            printf("I:gethostbyname(%s) returned %s, "
                   "expected %s\n", name, outbuf, address);
            fails++;
            return;
        }
    }
}

static void
test_getipnodebyname(const char *name, const char *address, int af,
             int v4map, int all)
{
    struct hostent *hp;
    unsigned char addrbuf[16];
    int len, ret;
    int error_num;
    int flags = 0;

    if (v4map)
        flags |= AI_V4MAPPED;
    if (all)
        flags |= AI_ALL;

    hp = getipnodebyname(name, af, flags, &error_num);
    if (hp == NULL) {
        if (address == NULL && error_num == HOST_NOT_FOUND)
            return;
        else if (error_num != HOST_NOT_FOUND) {
            printf("I:getipnodebyname(%s) failed: %d\n",
                   name, error_num);
            fails++;
            return;
        } else {
            printf("I:getipnodebyname(%s) returned not found\n",
                   name);
            fails++;
            return;
        }
    } else {
        if (af == AF_INET)
            len = 4;
        else
            len = 16;
        ret = inet_pton(af, address, addrbuf);
        assert(ret == 1);
        if (hp->h_addrtype != af) {
            printf("I:getipnodebyname(%s) returned wrong family\n",
                   name);
            freehostent(hp);
            fails++;
            return;
        }
        if (len != (int)hp->h_length ||
            memcmp(hp->h_addr_list[0], addrbuf, hp->h_length) != 0)
        {
            char outbuf[16];
            (void)inet_ntop(af, hp->h_addr_list[0],
                    outbuf, sizeof(outbuf));
            printf("I:getipnodebyname(%s) returned %s, "
                   "expected %s\n", name, outbuf, address);
            freehostent(hp);
            fails++;
            return;
        }
        freehostent(hp);
    }
}

static void
test_gethostbyaddr(const char *address, int af, const char *name) {
    struct hostent *hp;
    char addrbuf[16];
    int len, ret;

    if (af == AF_INET)
        len = 4;
    else
        len = 16;
    ret = inet_pton(af, address, addrbuf);
    assert(ret == 1);

    hp = gethostbyaddr(addrbuf, len, af);

    if (hp == NULL) {
        if (name == NULL && h_errno == HOST_NOT_FOUND)
            return;
        else if (h_errno != HOST_NOT_FOUND) {
            printf("I:gethostbyaddr(%s) failed: %s\n",
                   address, hstrerror(h_errno));
            fails++;
            return;
        } else {
            printf("I:gethostbyaddr(%s) returned not found\n",
                   address);
            fails++;
            return;
        }
    } else {
        if (name != NULL && strcmp(hp->h_name, name) != 0) {
            printf("I:gethostbyname(%s) returned %s, "
                   "expected %s\n", address, hp->h_name, name);
            fails++;
            return;
        }
    }
}

static void
test_getipnodebyaddr(const char *address, int af, const char *name) {
    struct hostent *hp;
    char addrbuf[16];
    int len, ret;
    int error_num;

    if (af == AF_INET)
        len = 4;
    else
        len = 16;
    ret = inet_pton(af, address, addrbuf);
    assert(ret == 1);

    hp = getipnodebyaddr(addrbuf, len, af, &error_num);

    if (hp == NULL) {
        if (name == NULL && error_num == HOST_NOT_FOUND)
            return;
        else if (error_num != HOST_NOT_FOUND) {
            printf("I:getipnodebyaddr(%s) failed: %d\n",
                   address, error_num);
            fails++;
            return;
        } else {
            printf("I:getipnodebyaddr(%s) returned not found\n",
                   address);
            fails++;
            return;
        }
    } else {
        if (name != NULL && strcmp(hp->h_name, name) != 0) {
            printf("I:getipnodebyaddr(%s) returned %s, "
                   "expected %s\n", address, hp->h_name, name);
            freehostent(hp);
            fails++;
            return;
        }
        freehostent(hp);
    }
}

static void
test_getaddrinfo(const char *name, int af, int v4ok, int v6ok,
           const char *address)
{
    unsigned int len;
    int ret;
    struct addrinfo *ai;
    struct addrinfo hint;
    unsigned char addrbuf[16];

    if (v4ok == 1 && v6ok== 1) {
        ret = getaddrinfo(name, NULL, NULL, &ai);
    } else {
        memset(&hint, 0, sizeof(hint));
        if (v4ok)
            hint.ai_family = AF_INET;
        else
            hint.ai_family = AF_INET6;
        ret = getaddrinfo(name, NULL, &hint, &ai);
    }
    if (ret != 0) {
        if (address == NULL && ret == EAI_NODATA)
            return;
        else if (ret != EAI_NODATA) {
            printf("I:getaddrinfo(%s,%d,%d) failed: %s\n",
                   name, v4ok, v6ok, gai_strerror(ret));
            fails++;
            return;
        } else {
            printf("I:getaddrinfo(%s,%d,%d) returned not found\n",
                   name, v4ok, v6ok);
            fails++;
            return;
        }
    } else {
        if (af == AF_INET)
            len = sizeof(struct sockaddr_in);
        else
            len = sizeof(struct sockaddr_in6);
        ret = inet_pton(af, address, addrbuf);
        assert(ret == 1);
        if (ai->ai_family != af) {
            printf("I:getaddrinfo(%s) returned wrong family\n",
                   name);
            fails++;
            freeaddrinfo(ai);
            return;
        }
        if (len != (unsigned int) ai->ai_addrlen) {
            char outbuf[16];
            (void)inet_ntop(af, ai->ai_addr,
                    outbuf, sizeof(outbuf));
            printf("I:getaddrinfo(%s) returned %lub, "
                   "expected %ub\n", name,
                (unsigned long)ai->ai_addrlen, len);
            fails++;
            freeaddrinfo(ai);
            return;
        } else if (af == AF_INET) {
            struct sockaddr_in *sin;
            sin = (struct sockaddr_in *) ai->ai_addr;
            if (memcmp(&sin->sin_addr.s_addr, addrbuf, 4) != 0) {
                char outbuf[16];
                (void)inet_ntop(af, &sin->sin_addr.s_addr,
                        outbuf, sizeof(outbuf));
                printf("I:getaddrinfo(%s) returned %s, "
                       "expected %s\n", name, outbuf, address);
                fails++;
                freeaddrinfo(ai);
                return;
            }
        } else {
            struct sockaddr_in6 *sin6;
            sin6 = (struct sockaddr_in6 *) ai->ai_addr;
            if (memcmp(sin6->sin6_addr.s6_addr, addrbuf, 16) != 0)
            {
                char outbuf[16];
                (void)inet_ntop(af, &sin6->sin6_addr.s6_addr,
                        outbuf, sizeof(outbuf));
                printf("I:getaddrinfo(%s) returned %s, "
                       "expected %s\n", name, outbuf, address);
                fails++;
                freeaddrinfo(ai);
                return;
            }
        }
        freeaddrinfo(ai);
    }
}

static void
test_getnameinfo(const char *address, int af, const char *name) {
    int ret;
    struct sockaddr_in sin;
    struct sockaddr_in6 sin6;
    struct sockaddr *sa;
    int salen;
    char host[1025];

    if (af == AF_INET) {
        memset(&sin, 0, sizeof(sin));
        ret = inet_pton(AF_INET, address, &sin.sin_addr.s_addr);
        assert(ret == 1);
        sin.sin_family = AF_INET;
#ifdef LWRES_PLATFORM_HAVESALEN
        sin.sin_len = sizeof(sin);
#endif
        sa = (struct sockaddr *) &sin;
        salen = sizeof(sin);
    } else {
        memset(&sin6, 0, sizeof(sin6));
        ret = inet_pton(AF_INET6, address, sin6.sin6_addr.s6_addr);
        assert(ret == 1);
        sin6.sin6_family = AF_INET6;
#ifdef LWRES_PLATFORM_HAVESALEN
        sin6.sin6_len = sizeof(sin6);
#endif
        sa = (struct sockaddr *) &sin6;
        salen = sizeof(sin6);
    }
    sa->sa_family = af;

    ret = getnameinfo(sa, salen, host, sizeof(host), NULL, 0, NI_NAMEREQD);

    if (ret != 0) {
        if (name == NULL && ret == ENI_NOHOSTNAME)
            return;
        else if (ret != ENI_NOHOSTNAME) {
            printf("I:getnameinfo(%s) failed: %d\n",
                   address, ret);
            fails++;
            return;
        } else {
            printf("I:getnameinfo(%s) returned not found\n",
                   address);
            fails++;
            return;
        }
    } else {
        if (name == NULL) {
            printf("I:getnameinfo(%s) returned %s, "
                   "expected NULL\n", address, host);
            fails++;
            return;
        } else if (strcmp(host, name) != 0) {
            printf("I:getnameinfo(%s) returned %s, expected %s\n",
                   address, host, name);
            fails++;
            return;
        }
    }
}

static void
test_getrrsetbyname(const char *name, int rdclass, int rdtype,
            unsigned int nrdatas, unsigned int nsigs,
            int should_pass)
{
    int ret;
    struct rrsetinfo *rrinfo = NULL;
    ret = getrrsetbyname(name, rdclass, rdtype, 0, &rrinfo);
    if (ret != 0 && should_pass == 1) {
        printf("I:getrrsetbyname(%s, %d) failed\n", name, rdtype);
        fails++;
        return;
    } else if (ret == 0 && should_pass == 0) {
        printf("I:getrrsetbyname(%s, %d) unexpectedly succeeded\n",
            name, rdtype);
        fails++;
        freerrset(rrinfo);
        return;
    } else if (ret != 0)
        return;
    if (rrinfo->rri_nrdatas != nrdatas) {
        printf("I:getrrsetbyname(%s, %d): got %d rr, expected %d\n",
            name, rdtype, rrinfo->rri_nrdatas, nrdatas);
        fails++;
    }
    if (rrinfo->rri_nsigs != nsigs) {
        printf("I:getrrsetbyname(%s, %d): got %d sig, expected %d\n",
            name, rdtype, rrinfo->rri_nsigs, nsigs);
        fails++;
    }
    freerrset(rrinfo);
    return;
}

int
main(void) {
    lwres_result_t ret;

    lwres_udp_port = 9210;
    lwres_resolv_conf = "resolv.conf";

    ret = lwres_context_create(&ctx, NULL, NULL, NULL, 0);
    CHECK(ret, "lwres_context_create");

    ret = lwres_conf_parse(ctx, "resolv.conf");
    CHECK(ret, "lwres_conf_parse");

    test_noop();

    test_gabn("a.example1", LWRES_R_SUCCESS, "10.0.1.1",
          LWRES_ADDRTYPE_V4);
    test_gabn("a.example1.", LWRES_R_SUCCESS, "10.0.1.1",
          LWRES_ADDRTYPE_V4);
    test_gabn("a.example2", LWRES_R_SUCCESS, "10.0.2.1",
          LWRES_ADDRTYPE_V4);
    test_gabn("a.example2.", LWRES_R_SUCCESS, "10.0.2.1",
          LWRES_ADDRTYPE_V4);
    test_gabn("a.example3", LWRES_R_NOTFOUND, NULL, LWRES_ADDRTYPE_V4);
    test_gabn("a.example3.", LWRES_R_NOTFOUND, NULL, LWRES_ADDRTYPE_V4);
    test_gabn("a", LWRES_R_SUCCESS, "10.0.1.1", LWRES_ADDRTYPE_V4);
    test_gabn("a.", LWRES_R_NOTFOUND, NULL, LWRES_ADDRTYPE_V4);

    test_gabn("a2", LWRES_R_SUCCESS, "10.0.1.1", LWRES_ADDRTYPE_V4);
    test_gabn("a3", LWRES_R_NOTFOUND, NULL, LWRES_ADDRTYPE_V4);

    test_gabn("b.example1", LWRES_R_SUCCESS,
          "eeee:eeee:eeee:eeee:ffff:ffff:ffff:ffff",
          LWRES_ADDRTYPE_V6);
    test_gabn("b.example1.", LWRES_R_SUCCESS,
          "eeee:eeee:eeee:eeee:ffff:ffff:ffff:ffff",
          LWRES_ADDRTYPE_V6);
    test_gabn("b.example2", LWRES_R_SUCCESS,
          "eeee:eeee:eeee:eeee:ffff:ffff:ffff:ffff",
          LWRES_ADDRTYPE_V6);
    test_gabn("b.example2.", LWRES_R_SUCCESS,
          "eeee:eeee:eeee:eeee:ffff:ffff:ffff:ffff",
          LWRES_ADDRTYPE_V6);
    test_gabn("b.example3", LWRES_R_NOTFOUND, NULL, LWRES_ADDRTYPE_V6);
    test_gabn("b.example3.", LWRES_R_NOTFOUND, NULL, LWRES_ADDRTYPE_V6);
    test_gabn("b", LWRES_R_SUCCESS,
          "eeee:eeee:eeee:eeee:ffff:ffff:ffff:ffff",
          LWRES_ADDRTYPE_V6);
    test_gabn("b.", LWRES_R_NOTFOUND, NULL, LWRES_ADDRTYPE_V6);

    test_gabn("d.example1", LWRES_R_NOTFOUND, NULL, LWRES_ADDRTYPE_V6);

    test_gabn("x", LWRES_R_SUCCESS, "10.1.10.1", LWRES_ADDRTYPE_V4);
    test_gabn("x.", LWRES_R_SUCCESS, "10.1.10.1", LWRES_ADDRTYPE_V4);

    test_gnba("10.10.10.1", LWRES_ADDRTYPE_V4, LWRES_R_SUCCESS,
          "ipv4.example");
    test_gnba("10.10.10.17", LWRES_ADDRTYPE_V4, LWRES_R_NOTFOUND,
          NULL);
    test_gnba("0123:4567:89ab:cdef:0123:4567:89ab:cdef",
          LWRES_ADDRTYPE_V6, LWRES_R_SUCCESS, "ip6.int.example");
    test_gnba("0123:4567:89ab:cdef:0123:4567:89ab:cde0",
          LWRES_ADDRTYPE_V6, LWRES_R_NOTFOUND, NULL);
    test_gnba("1123:4567:89ab:cdef:0123:4567:89ab:cdef",
          LWRES_ADDRTYPE_V6, LWRES_R_SUCCESS, "ip6.arpa.example");
    test_gnba("1123:4567:89ab:cdef:0123:4567:89ab:cde0",
          LWRES_ADDRTYPE_V6, LWRES_R_NOTFOUND, NULL);

    test_gethostbyname("a.example1.", "10.0.1.1");
    test_gethostbyname("q.example1.", NULL);

    test_gethostbyname2("a.example1.", "10.0.1.1", AF_INET);
    test_gethostbyname2("b.example1.",
                "eeee:eeee:eeee:eeee:ffff:ffff:ffff:ffff",
                AF_INET6);
    test_gethostbyname2("q.example1.", NULL, AF_INET);

    test_getipnodebyname("a.example1.", "10.0.1.1", AF_INET, 0, 0);
    test_getipnodebyname("b.example1.",
                 "eeee:eeee:eeee:eeee:ffff:ffff:ffff:ffff",
                 AF_INET6, 0, 0);
    test_getipnodebyname("a.example1.",
                 "::ffff:10.0.1.1", AF_INET6, 1, 0);
    test_getipnodebyname("a.example1.",
                 "::ffff:10.0.1.1", AF_INET6, 1, 1);
    test_getipnodebyname("b.example1.",
                 "eeee:eeee:eeee:eeee:ffff:ffff:ffff:ffff",
                 AF_INET6, 1, 1);
    test_getipnodebyname("q.example1.", NULL, AF_INET, 0, 0);

    test_gethostbyaddr("10.10.10.1", AF_INET, "ipv4.example");
    test_gethostbyaddr("10.10.10.17", AF_INET, NULL);
    test_gethostbyaddr("0123:4567:89ab:cdef:0123:4567:89ab:cdef",
               AF_INET6, "ip6.int.example");
    test_gethostbyaddr("1123:4567:89ab:cdef:0123:4567:89ab:cdef",
               AF_INET6, "ip6.arpa.example");

    test_getipnodebyaddr("10.10.10.1", AF_INET, "ipv4.example");
    test_getipnodebyaddr("10.10.10.17", AF_INET, NULL);
    test_getipnodebyaddr("0123:4567:89ab:cdef:0123:4567:89ab:cdef",
                 AF_INET6, "ip6.int.example");
    test_getipnodebyaddr("1123:4567:89ab:cdef:0123:4567:89ab:cdef",
                 AF_INET6, "ip6.arpa.example");

    test_getaddrinfo("a.example1.", AF_INET, 1, 1, "10.0.1.1");
    test_getaddrinfo("a.example1.", AF_INET, 1, 0, "10.0.1.1");
    test_getaddrinfo("a.example1.", AF_INET, 0, 1, NULL);
    test_getaddrinfo("b.example1.", AF_INET6, 1, 1,
             "eeee:eeee:eeee:eeee:ffff:ffff:ffff:ffff");
    test_getaddrinfo("b.example1.", AF_INET6, 1, 0, NULL);
    test_getaddrinfo("b.example1.", AF_INET6, 0, 1,
             "eeee:eeee:eeee:eeee:ffff:ffff:ffff:ffff");

    test_getnameinfo("10.10.10.1", AF_INET, "ipv4.example");
    test_getnameinfo("10.10.10.17", AF_INET, NULL);
    test_getnameinfo("0123:4567:89ab:cdef:0123:4567:89ab:cdef",
             AF_INET6, "ip6.int.example");
    test_getnameinfo("1123:4567:89ab:cdef:0123:4567:89ab:cdef",
             AF_INET6, "ip6.arpa.example");
    test_getnameinfo("1122:3344:5566:7788:99aa:bbcc:ddee:ff00",
             AF_INET6, "dname.example1");

    test_getrrsetbyname("a", 1, 1, 1, 0, 1);
    test_getrrsetbyname("a.example1.", 1, 1, 1, 0, 1);
    test_getrrsetbyname("e.example1.", 1, 1, 1, 1, 1);
    test_getrrsetbyname("e.example1.", 1, 255, 1, 1, 0);
    test_getrrsetbyname("e.example1.", 1, 46, 2, 0, 1);
    test_getrrsetbyname("", 1, 1, 0, 0, 0);

    if (fails == 0)
        printf("I:ok\n");
    return (fails);
}