Permalink
Cannot retrieve contributors at this time
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /* | |
| * Copyright (c) 1980, 1993 | |
| * The Regents of the University of California. All rights reserved. | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions | |
| * are met: | |
| * 1. Redistributions of source code must retain the above copyright | |
| * notice, this list of conditions and the following disclaimer. | |
| * 2. Redistributions in binary form must reproduce the above copyright | |
| * notice, this list of conditions and the following disclaimer in the | |
| * documentation and/or other materials provided with the distribution. | |
| * 3. All advertising materials mentioning features or use of this software | |
| * must display the following acknowledgement: | |
| * This product includes software developed by the University of | |
| * California, Berkeley and its contributors. | |
| * 4. Neither the name of the University nor the names of its contributors | |
| * may be used to endorse or promote products derived from this software | |
| * without specific prior written permission. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| * SUCH DAMAGE. | |
| * | |
| * 8/1/97 - Ted Felix |
|
| * Ported to Win32 from 4.4-BSDLITE2 from wcarchive. | |
| * Added WSAStartup()/WSACleanup() and switched from the | |
| * more convenient fdopen()/fprintf() to send()/recv(). | |
| */ | |
| //#include |
|
| #define WIN32_NO_STATUS | |
| #include <windef.h> | |
| #define _INC_WINDOWS | |
| #include <winsock2.h> | |
| /* #include |
|
| /* #include |
|
| /* #include |
|
| #include <stdio.h> | |
| #include <stdlib.h> | |
| /* #include |
|
| /* #include |
|
| /* #include |
|
| static char NICHOST[] = "whois.internic.net"; | |
| char *host = NULL; | |
| int optset = 0; | |
| static void usage(); | |
| static void cleanup(int iExitCode); | |
| void getwhoisserver(int argc, char **argv) | |
| { | |
| int i = 1; | |
| while(i < argc) | |
| { | |
| if (!strcmp(argv[i], "-h")) | |
| { | |
| if (i + 2 < argc) | |
| { | |
| host = argv[i +1]; | |
| optset = i + 1; | |
| } | |
| else | |
| { | |
| optset = argc; | |
| } | |
| return; | |
| } | |
| i++; | |
| } | |
| host = NICHOST; | |
| optset = 1; | |
| } | |
| int main(int argc, char **argv) | |
| { | |
| char ch; | |
| struct sockaddr_in sin; | |
| struct hostent *hp; | |
| struct servent *sp; | |
| SOCKET s; | |
| WORD wVersionRequested; | |
| WSADATA wsaData; | |
| int err; | |
| getwhoisserver(argc, argv); | |
| argc -= optset; | |
| argv += optset; | |
| if (!host || !argc) | |
| usage(); | |
| /* Start winsock */ | |
| wVersionRequested = MAKEWORD( 1, 1 ); | |
| err = WSAStartup( wVersionRequested, &wsaData ); | |
| if ( err != 0 ) | |
| { | |
| /* Tell the user that we couldn't find a usable */ | |
| /* WinSock DLL. */ | |
| perror("whois: WSAStartup failed"); | |
| cleanup(1); | |
| } | |
| hp = gethostbyname(host); | |
| if (hp == NULL) { | |
| (void)fprintf(stderr, "whois: %s: ", host); | |
| cleanup(1); | |
| } | |
| host = hp->h_name; | |
| s = socket(hp->h_addrtype, SOCK_STREAM, 0); | |
| if (s == INVALID_SOCKET) { | |
| perror("whois: socket"); | |
| cleanup(1); | |
| } | |
| memset(/*(caddr_t)*/&sin, 0, sizeof(sin)); | |
| sin.sin_family = hp->h_addrtype; | |
| if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) { | |
| perror("whois: bind"); | |
| cleanup(1); | |
| } | |
| memcpy((char *)&sin.sin_addr, hp->h_addr, hp->h_length); | |
| sp = getservbyname("nicname", "tcp"); | |
| if (sp == NULL) { | |
| (void)fprintf(stderr, "whois: nicname/tcp: unknown service\n"); | |
| cleanup(1); | |
| } | |
| sin.sin_port = sp->s_port; | |
| /* have network connection; identify the host connected with */ | |
| (void)printf("[%s]\n", hp->h_name); | |
| if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) { | |
| fprintf(stderr, "whois: connect error = %d\n", WSAGetLastError()); | |
| cleanup(1); | |
| } | |
| /* WinSock doesn't allow using a socket as a file descriptor. */ | |
| /* Have to use send() and recv(). whois will drop connection. */ | |
| /* For each request */ | |
| while (argc-- > 1) | |
| { | |
| /* Send the request */ | |
| send(s, *argv, strlen(*argv), 0); | |
| send(s, " ", 1, 0); | |
| argv++; | |
| } | |
| /* Send the last request */ | |
| send(s, *argv, strlen(*argv), 0); | |
| send(s, "\r\n", 2, 0); | |
| /* Receive anything and print it */ | |
| while (recv(s, &ch, 1, 0) == 1) | |
| putchar(ch); | |
| cleanup(0); | |
| return 0; | |
| } | |
| static void usage() | |
| { | |
| (void)fprintf(stderr, "usage: whois [-h hostname] name ...\n"); | |
| cleanup(1); | |
| } | |
| static void cleanup(int iExitCode) | |
| { | |
| WSACleanup(); | |
| exit(iExitCode); | |
| } |