mirror of
https://github.com/reactos/reactos.git
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186 lines
4.8 KiB
C
186 lines
4.8 KiB
C
/*
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* 8/1/97 - Ted Felix <tfelix@fred.net>
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* Ported to Win32 from 4.4-BSDLITE2 from wcarchive.
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* Added WSAStartup()/WSACleanup() and switched from the
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* more convenient fdopen()/fprintf() to send()/recv().
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*/
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//#include <sys/types.h>
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#define WIN32_NO_STATUS
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#include <windef.h>
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#define _INC_WINDOWS
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#include <winsock2.h>
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/* #include <sys/socket.h> */
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/* #include <netinet/in.h> */
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/* #include <netdb.h> */
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#include <stdio.h>
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#include <stdlib.h>
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/* #include <various.h> */
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/* #include <getopt.h> */
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/* #include <io.h> */
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static char NICHOST[] = "whois.internic.net";
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char *host = NULL;
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int optset = 0;
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static void usage();
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static void cleanup(int iExitCode);
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void getwhoisserver(int argc, char **argv)
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{
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int i = 1;
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while(i < argc)
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{
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if (!strcmp(argv[i], "-h"))
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{
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if (i + 2 < argc)
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{
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host = argv[i +1];
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optset = i + 1;
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}
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else
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{
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optset = argc;
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}
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return;
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}
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i++;
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}
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host = NICHOST;
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optset = 1;
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}
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int main(int argc, char **argv)
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{
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char ch;
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struct sockaddr_in sin;
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struct hostent *hp;
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struct servent *sp;
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SOCKET s;
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WORD wVersionRequested;
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WSADATA wsaData;
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int err;
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getwhoisserver(argc, argv);
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argc -= optset;
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argv += optset;
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if (!host || !argc)
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usage();
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/* Start winsock */
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wVersionRequested = MAKEWORD( 1, 1 );
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err = WSAStartup( wVersionRequested, &wsaData );
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if ( err != 0 )
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{
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/* Tell the user that we couldn't find a usable */
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/* WinSock DLL. */
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perror("whois: WSAStartup failed");
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cleanup(1);
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}
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hp = gethostbyname(host);
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if (hp == NULL) {
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(void)fprintf(stderr, "whois: %s: ", host);
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cleanup(1);
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}
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host = hp->h_name;
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s = socket(hp->h_addrtype, SOCK_STREAM, 0);
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if (s == INVALID_SOCKET) {
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perror("whois: socket");
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cleanup(1);
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}
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memset(/*(caddr_t)*/&sin, 0, sizeof(sin));
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sin.sin_family = hp->h_addrtype;
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if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
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perror("whois: bind");
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cleanup(1);
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}
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memcpy((char *)&sin.sin_addr, hp->h_addr, hp->h_length);
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sp = getservbyname("nicname", "tcp");
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if (sp == NULL) {
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(void)fprintf(stderr, "whois: nicname/tcp: unknown service\n");
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cleanup(1);
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}
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sin.sin_port = sp->s_port;
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/* have network connection; identify the host connected with */
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(void)printf("[%s]\n", hp->h_name);
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if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
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fprintf(stderr, "whois: connect error = %d\n", WSAGetLastError());
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cleanup(1);
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}
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/* WinSock doesn't allow using a socket as a file descriptor. */
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/* Have to use send() and recv(). whois will drop connection. */
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/* For each request */
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while (argc-- > 1)
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{
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/* Send the request */
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send(s, *argv, strlen(*argv), 0);
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send(s, " ", 1, 0);
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argv++;
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}
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/* Send the last request */
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send(s, *argv, strlen(*argv), 0);
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send(s, "\r\n", 2, 0);
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/* Receive anything and print it */
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while (recv(s, &ch, 1, 0) == 1)
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putchar(ch);
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cleanup(0);
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return 0;
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}
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static void usage()
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{
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(void)fprintf(stderr, "usage: whois [-h hostname] name ...\n");
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cleanup(1);
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}
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static void cleanup(int iExitCode)
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{
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WSACleanup();
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exit(iExitCode);
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}
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