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cf47f86b74
more testing and debug output for the DNS regression test. add a BSD copyright to evdns.h with appropriate explanations. svn:r239
145 lines
3.4 KiB
C
145 lines
3.4 KiB
C
/*
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* Copyright (c) 2003-2006 Niels Provos <provos@citi.umich.edu>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef WIN32
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#include <winsock2.h>
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#include <windows.h>
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#endif
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#include <sys/queue.h>
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#ifndef WIN32
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#include <sys/socket.h>
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#include <sys/signal.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <unistd.h>
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#endif
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#include <netdb.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include "event.h"
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#include "evdns.h"
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#include "log.h"
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static int dns_ok = 0;
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void
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dns_gethostbyname_cb(int result, char type, int count, int ttl,
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void *addresses, void *arg)
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{
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dns_ok = 0;
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if (result != DNS_ERR_NONE)
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goto out;
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fprintf(stderr, "type: %d, count: %d, ttl: %d: ", type, count, ttl);
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switch (type) {
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case DNS_IPv4_A: {
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struct in_addr *in_addrs = addresses;
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int i;
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/* a resolution that's not valid does not help */
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if (ttl < 0)
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goto out;
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for (i = 0; i < count; ++i)
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fprintf(stderr, "%s ", inet_ntoa(in_addrs[0]));
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break;
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}
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case DNS_PTR:
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/* may get at most one PTR */
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if (count != 1)
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goto out;
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fprintf(stderr, "%s ", *(char **)addresses);
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break;
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default:
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goto out;
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}
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dns_ok = 1;
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out:
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event_loopexit(NULL);
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}
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void
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dns_gethostbyname()
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{
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fprintf(stdout, "Simple DNS resolve: ");
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dns_ok = 0;
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evdns_resolve_ipv4("www.monkey.org", 0, dns_gethostbyname_cb, NULL);
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event_dispatch();
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if (dns_ok) {
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fprintf(stdout, "OK\n");
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} else {
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fprintf(stdout, "FAILED\n");
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exit(1);
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}
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}
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void
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dns_gethostbyaddr()
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{
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struct in_addr in;
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in.s_addr = htonl(0x7f000001ul); /* 127.0.0.1 */
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fprintf(stdout, "Simple reverse DNS resolve: ");
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dns_ok = 0;
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evdns_resolve_reverse(&in, 0, dns_gethostbyname_cb, NULL);
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event_dispatch();
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if (dns_ok) {
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fprintf(stdout, "OK\n");
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} else {
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fprintf(stdout, "FAILED\n");
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exit(1);
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}
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}
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void
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dns_suite(void)
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{
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evdns_init();
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dns_gethostbyname();
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dns_gethostbyaddr();
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evdns_shutdown(0);
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}
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