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 34 #ifndef lint 35 static char copyright[] = 36 "@(#) Copyright (c) 1980, 1993\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 static char sccsid[] = "@(#)whois.c 8.1 (Berkeley) 6/6/93"; 42 #endif /* not lint */ 43 44 #include <sys/types.h> 45 #include <sys/socket.h> 46 #include <netinet/in.h> 47 #include <netdb.h> 48 #include <stdio.h> 49 50 #define NICHOST "whois.internic.net" 51 52 main(argc, argv) 53 int argc; 54 char **argv; 55 { 56 extern char *optarg; 57 extern int optind; 58 register FILE *sfi, *sfo; 59 register int ch; 60 struct sockaddr_in sin; 61 struct hostent *hp; 62 struct servent *sp; 63 int s; 64 char *host; 65 66 #ifdef SOCKS 67 SOCKSinit(argv[0]); 68 #endif 69 70 host = NICHOST; 71 while ((ch = getopt(argc, argv, "h:")) != -1) 72 switch((char)ch) { 73 case 'h': 74 host = optarg; 75 break; 76 case '?': 77 default: 78 usage(); 79 } 80 argc -= optind; 81 argv += optind; 82 83 if (!argc) 84 usage(); 85 86 hp = gethostbyname(host); 87 if (hp == NULL) { 88 (void)fprintf(stderr, "whois: %s: ", host); 89 herror((char *)NULL); 90 exit(1); 91 } 92 host = hp->h_name; 93 s = socket(hp->h_addrtype, SOCK_STREAM, 0); 94 if (s < 0) { 95 perror("whois: socket"); 96 exit(1); 97 } 98 bzero((caddr_t)&sin, sizeof (sin)); 99 sin.sin_family = hp->h_addrtype; 100 bcopy(hp->h_addr, (char *)&sin.sin_addr, hp->h_length); 101 sp = getservbyname("whois", "tcp"); 102 if (sp == NULL) { 103 (void)fprintf(stderr, "whois: whois/tcp: unknown service\n"); 104 exit(1); 105 } 106 sin.sin_port = sp->s_port; 107 if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) { 108 perror("whois: connect"); 109 exit(1); 110 } 111 sfi = fdopen(s, "r"); 112 sfo = fdopen(s, "w"); 113 if (sfi == NULL || sfo == NULL) { 114 perror("whois: fdopen"); 115 (void)close(s); 116 exit(1); 117 } 118 while (argc-- > 1) 119 (void)fprintf(sfo, "%s ", *argv++); 120 (void)fprintf(sfo, "%s\r\n", *argv); 121 (void)fflush(sfo); 122 while ((ch = getc(sfi)) != EOF) 123 putchar(ch); 124 exit(0); 125 } 126 127 usage() 128 { 129 (void)fprintf(stderr, "usage: whois [-h hostname] name ...\n"); 130 exit(1); 131 } 132