mirror of https://github.com/moparisthebest/curl
150 lines
3.5 KiB
C
150 lines
3.5 KiB
C
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 1998 - 2005, Daniel Stenberg, <daniel@haxx.se>, et al.
|
|
*
|
|
* This software is licensed as described in the file COPYING, which
|
|
* you should have received as part of this distribution. The terms
|
|
* are also available at http://curl.haxx.se/docs/copyright.html.
|
|
*
|
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|
* copies of the Software, and permit persons to whom the Software is
|
|
* furnished to do so, under the terms of the COPYING file.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
* $Id$
|
|
***************************************************************************/
|
|
|
|
/* Purpose
|
|
*
|
|
* Resolve the given name, using system name resolve functions (NOT any
|
|
* function provided by libcurl). Used to see if the name exists and thus if
|
|
* we can allow a test case to use it for testing.
|
|
*
|
|
* Like if 'localhost' actual exists etc.
|
|
*
|
|
*/
|
|
#include "setup.h" /* portability help from the lib directory */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
#include <signal.h>
|
|
#include <time.h>
|
|
#include <ctype.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif
|
|
#ifdef _XOPEN_SOURCE_EXTENDED
|
|
/* This define is "almost" required to build on HPUX 11 */
|
|
#include <arpa/inet.h>
|
|
#endif
|
|
#ifdef HAVE_NETDB_H
|
|
#include <netdb.h>
|
|
#endif
|
|
|
|
#define ENABLE_CURLX_PRINTF
|
|
/* make the curlx header define all printf() functions to use the curlx_*
|
|
versions instead */
|
|
#include "curlx.h" /* from the private lib dir */
|
|
#include "util.h"
|
|
|
|
/* include memdebug.h last */
|
|
#include "memdebug.h"
|
|
|
|
char use_ipv6=FALSE;
|
|
|
|
const char *serverlogfile=""; /* for a util.c function we don't use */
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int arg=1;
|
|
char *host;
|
|
int rc;
|
|
|
|
while(argc>arg) {
|
|
if(!strcmp("--version", argv[arg])) {
|
|
printf("resolve IPv4%s\n",
|
|
#ifdef ENABLE_IPV6
|
|
"/IPv6"
|
|
#else
|
|
""
|
|
#endif
|
|
);
|
|
return 0;
|
|
}
|
|
else if(!strcmp("--ipv6", argv[arg])) {
|
|
#ifdef ENABLE_IPV6
|
|
use_ipv6=TRUE;
|
|
#endif
|
|
arg++;
|
|
}
|
|
else if(!strcmp("--ipv4", argv[arg])) {
|
|
/* for completeness, we support this option as well */
|
|
use_ipv6=FALSE;
|
|
arg++;
|
|
}
|
|
else {
|
|
host = argv[arg++];
|
|
}
|
|
}
|
|
if(!host) {
|
|
puts("Usage: resolve [option] <host>\n"
|
|
" --version\n"
|
|
" --ipv4\n"
|
|
" --ipv6");
|
|
return 0;
|
|
}
|
|
|
|
#if defined(WIN32) && !defined(__GNUC__) || defined(__MINGW32__)
|
|
win32_init();
|
|
atexit(win32_cleanup);
|
|
#endif
|
|
|
|
#ifdef ENABLE_IPV6
|
|
if(!use_ipv6)
|
|
#endif
|
|
{
|
|
/* gethostbyname() resolve */
|
|
struct hostent *he;
|
|
|
|
he = gethostbyname(host);
|
|
|
|
rc = !he;
|
|
}
|
|
#ifdef ENABLE_IPV6
|
|
else {
|
|
/* getaddrinfo() resolve */
|
|
struct addrinfo *ai;
|
|
struct addrinfo hints;
|
|
|
|
memset(&hints, 0, sizeof(hints));
|
|
hints.ai_family = PF_INET6;
|
|
hints.ai_socktype = SOCK_STREAM;
|
|
hints.ai_flags = AI_CANONNAME;
|
|
rc = (getaddrinfo)(host, "80", &hints, &ai);
|
|
|
|
}
|
|
#endif
|
|
if(rc)
|
|
printf("Resolving '%s' didn't work\n", host);
|
|
|
|
return !rc?0:1;
|
|
}
|