1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * University Copyright- Copyright (c) 1982, 1986, 1988 32 * The Regents of the University of California 33 * All Rights Reserved 34 * 35 * University Acknowledgment- Portions of this document are derived from 36 * software developed by the University of California, Berkeley, and its 37 * contributors. 38 */ 39 40 #pragma ident "%Z%%M% %I% %E% SMI" 41 42 #include <sys/types.h> 43 #include <sys/socket.h> 44 45 #include <netinet/in.h> 46 47 #include <stdio.h> 48 #include <netdb.h> 49 50 #ifdef SYSV 51 #define bcopy(a,b,c) memcpy((b),(a),(c)) 52 #endif /* SYSV */ 53 54 #define NICHOST "whois.internic.net" 55 56 int 57 main(argc, argv) 58 int argc; 59 char *argv[]; 60 { 61 int s; 62 register FILE *sfi, *sfo; 63 register int c; 64 char *host = NICHOST; 65 struct sockaddr_in sin; 66 struct hostent *hp; 67 struct servent *sp; 68 char hnamebuf[32]; 69 int addrtype; 70 71 argc--, argv++; 72 if (argc > 2 && strcmp(*argv, "-h") == 0) { 73 argv++, argc--; 74 host = *argv++; 75 argc--; 76 } 77 if (argc != 1) { 78 fprintf(stderr, "usage: whois [ -h host ] name\n"); 79 exit(1); 80 } 81 sin.sin_addr.s_addr = inet_addr(host); 82 if (sin.sin_addr.s_addr != -1 && sin.sin_addr.s_addr != 0) { 83 addrtype = AF_INET; 84 } else { 85 hp = gethostbyname(host); 86 if (hp == NULL) { 87 fprintf(stderr, "whois: %s: host unknown\n", host); 88 exit(1); 89 } 90 addrtype = hp->h_addrtype; 91 host = hp->h_name; 92 bcopy(hp->h_addr, &sin.sin_addr, hp->h_length); 93 } 94 95 s = socket(addrtype, SOCK_STREAM, 0); 96 if (s < 0) { 97 perror("whois: socket"); 98 exit(2); 99 } 100 sin.sin_family = addrtype; 101 sp = getservbyname("whois", "tcp"); 102 if (sp == NULL) { 103 sin.sin_port = htons(IPPORT_WHOIS); 104 } 105 else sin.sin_port = sp->s_port; 106 if (connect(s, (struct sockaddr *) &sin, sizeof (sin)) < 0) { 107 perror("whois: connect"); 108 exit(5); 109 } 110 sfi = fdopen(s, "r"); 111 sfo = fdopen(s, "w"); 112 if (sfi == NULL || sfo == NULL) { 113 perror("fdopen"); 114 close(s); 115 exit(1); 116 } 117 fprintf(sfo, "%s\r\n", *argv); 118 fflush(sfo); 119 while ((c = getc(sfi)) != EOF) 120 putchar(c); 121 return (0); 122 } 123