1 /* 2 * Copyright (c) 1980, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * 8/1/97 - Ted Felix <tfelix@fred.net> 34 * Ported to Win32 from 4.4-BSDLITE2 from wcarchive. 35 * Added WSAStartup()/WSACleanup() and switched from the 36 * more convenient fdopen()/fprintf() to send()/recv(). 37 */ 38 39 //#include <sys/types.h> 40 #define WIN32_NO_STATUS 41 #include <windef.h> 42 #define _INC_WINDOWS 43 #include <winsock2.h> 44 /* #include <sys/socket.h> */ 45 /* #include <netinet/in.h> */ 46 /* #include <netdb.h> */ 47 #include <stdio.h> 48 #include <stdlib.h> 49 50 /* #include <various.h> */ 51 /* #include <getopt.h> */ 52 /* #include <io.h> */ 53 54 static char NICHOST[] = "whois.internic.net"; 55 char *host = NULL; 56 int optset = 0; 57 static void usage(); 58 static void cleanup(int iExitCode); 59 60 void getwhoisserver(int argc, char **argv) 61 { 62 int i = 1; 63 64 while(i < argc) 65 { 66 if (!strcmp(argv[i], "-h")) 67 { 68 if (i + 2 < argc) 69 { 70 host = argv[i +1]; 71 optset = i + 1; 72 } 73 else 74 { 75 optset = argc; 76 } 77 return; 78 } 79 i++; 80 } 81 host = NICHOST; 82 optset = 1; 83 } 84 85 int main(int argc, char **argv) 86 { 87 char ch; 88 struct sockaddr_in sin; 89 struct hostent *hp; 90 struct servent *sp; 91 SOCKET s; 92 93 WORD wVersionRequested; 94 WSADATA wsaData; 95 int err; 96 97 getwhoisserver(argc, argv); 98 argc -= optset; 99 argv += optset; 100 101 if (!host || !argc) 102 usage(); 103 104 /* Start winsock */ 105 wVersionRequested = MAKEWORD( 1, 1 ); 106 err = WSAStartup( wVersionRequested, &wsaData ); 107 if ( err != 0 ) 108 { 109 /* Tell the user that we couldn't find a usable */ 110 /* WinSock DLL. */ 111 perror("whois: WSAStartup failed"); 112 cleanup(1); 113 } 114 115 hp = gethostbyname(host); 116 if (hp == NULL) { 117 (void)fprintf(stderr, "whois: %s: ", host); 118 cleanup(1); 119 } 120 host = hp->h_name; 121 122 s = socket(hp->h_addrtype, SOCK_STREAM, 0); 123 if (s == INVALID_SOCKET) { 124 perror("whois: socket"); 125 cleanup(1); 126 } 127 128 memset(/*(caddr_t)*/&sin, 0, sizeof(sin)); 129 sin.sin_family = hp->h_addrtype; 130 if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) { 131 perror("whois: bind"); 132 cleanup(1); 133 } 134 135 memcpy((char *)&sin.sin_addr, hp->h_addr, hp->h_length); 136 sp = getservbyname("nicname", "tcp"); 137 if (sp == NULL) { 138 (void)fprintf(stderr, "whois: nicname/tcp: unknown service\n"); 139 cleanup(1); 140 } 141 142 sin.sin_port = sp->s_port; 143 144 /* have network connection; identify the host connected with */ 145 (void)printf("[%s]\n", hp->h_name); 146 147 if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) { 148 fprintf(stderr, "whois: connect error = %d\n", WSAGetLastError()); 149 cleanup(1); 150 } 151 152 /* WinSock doesn't allow using a socket as a file descriptor. */ 153 /* Have to use send() and recv(). whois will drop connection. */ 154 155 /* For each request */ 156 while (argc-- > 1) 157 { 158 /* Send the request */ 159 send(s, *argv, strlen(*argv), 0); 160 send(s, " ", 1, 0); 161 argv++; 162 } 163 /* Send the last request */ 164 send(s, *argv, strlen(*argv), 0); 165 send(s, "\r\n", 2, 0); 166 167 /* Receive anything and print it */ 168 while (recv(s, &ch, 1, 0) == 1) 169 putchar(ch); 170 171 cleanup(0); 172 return 0; 173 } 174 175 static void usage() 176 { 177 (void)fprintf(stderr, "usage: whois [-h hostname] name ...\n"); 178 cleanup(1); 179 } 180 181 static void cleanup(int iExitCode) 182 { 183 WSACleanup(); 184 exit(iExitCode); 185 } 186