xref: /onnv-gate/usr/src/cmd/cmd-inet/usr.bin/whois.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1994 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
28*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate  * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate  * The Regents of the University of California
33*0Sstevel@tonic-gate  * All Rights Reserved
34*0Sstevel@tonic-gate  *
35*0Sstevel@tonic-gate  * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate  * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate  * contributors.
38*0Sstevel@tonic-gate  */
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate #include <sys/types.h>
43*0Sstevel@tonic-gate #include <sys/socket.h>
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate #include <netinet/in.h>
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate #include <stdio.h>
48*0Sstevel@tonic-gate #include <netdb.h>
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate #ifdef SYSV
51*0Sstevel@tonic-gate #define	bcopy(a,b,c)	memcpy((b),(a),(c))
52*0Sstevel@tonic-gate #endif /* SYSV */
53*0Sstevel@tonic-gate 
54*0Sstevel@tonic-gate #define	NICHOST	"whois.internic.net"
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate main(argc, argv)
57*0Sstevel@tonic-gate 	int argc;
58*0Sstevel@tonic-gate 	char *argv[];
59*0Sstevel@tonic-gate {
60*0Sstevel@tonic-gate 	int s;
61*0Sstevel@tonic-gate 	register FILE *sfi, *sfo;
62*0Sstevel@tonic-gate 	register int c;
63*0Sstevel@tonic-gate 	char *host = NICHOST;
64*0Sstevel@tonic-gate 	struct sockaddr_in sin;
65*0Sstevel@tonic-gate 	struct hostent *hp;
66*0Sstevel@tonic-gate 	struct servent *sp;
67*0Sstevel@tonic-gate 	char hnamebuf[32];
68*0Sstevel@tonic-gate 	int addrtype;
69*0Sstevel@tonic-gate 
70*0Sstevel@tonic-gate 	argc--, argv++;
71*0Sstevel@tonic-gate 	if (argc > 2 && strcmp(*argv, "-h") == 0) {
72*0Sstevel@tonic-gate 		argv++, argc--;
73*0Sstevel@tonic-gate 		host = *argv++;
74*0Sstevel@tonic-gate 		argc--;
75*0Sstevel@tonic-gate 	}
76*0Sstevel@tonic-gate 	if (argc != 1) {
77*0Sstevel@tonic-gate 		fprintf(stderr, "usage: whois [ -h host ] name\n");
78*0Sstevel@tonic-gate 		exit(1);
79*0Sstevel@tonic-gate 	}
80*0Sstevel@tonic-gate 	sin.sin_addr.s_addr = inet_addr(host);
81*0Sstevel@tonic-gate 	if (sin.sin_addr.s_addr != -1 && sin.sin_addr.s_addr != 0) {
82*0Sstevel@tonic-gate 		addrtype = AF_INET;
83*0Sstevel@tonic-gate 	} else {
84*0Sstevel@tonic-gate 		hp = gethostbyname(host);
85*0Sstevel@tonic-gate 		if (hp == NULL) {
86*0Sstevel@tonic-gate 			fprintf(stderr, "whois: %s: host unknown\n", host);
87*0Sstevel@tonic-gate 			exit(1);
88*0Sstevel@tonic-gate 		}
89*0Sstevel@tonic-gate 		addrtype = hp->h_addrtype;
90*0Sstevel@tonic-gate 		host = hp->h_name;
91*0Sstevel@tonic-gate 		bcopy(hp->h_addr, &sin.sin_addr, hp->h_length);
92*0Sstevel@tonic-gate 	}
93*0Sstevel@tonic-gate 
94*0Sstevel@tonic-gate 	s = socket(addrtype, SOCK_STREAM, 0);
95*0Sstevel@tonic-gate 	if (s < 0) {
96*0Sstevel@tonic-gate 		perror("whois: socket");
97*0Sstevel@tonic-gate 		exit(2);
98*0Sstevel@tonic-gate 	}
99*0Sstevel@tonic-gate 	sin.sin_family = addrtype;
100*0Sstevel@tonic-gate 	sp = getservbyname("whois", "tcp");
101*0Sstevel@tonic-gate 	if (sp == NULL) {
102*0Sstevel@tonic-gate 		sin.sin_port = htons(IPPORT_WHOIS);
103*0Sstevel@tonic-gate 	}
104*0Sstevel@tonic-gate 	else sin.sin_port = sp->s_port;
105*0Sstevel@tonic-gate 	if (connect(s, (struct sockaddr *) &sin, sizeof (sin)) < 0) {
106*0Sstevel@tonic-gate 		perror("whois: connect");
107*0Sstevel@tonic-gate 		exit(5);
108*0Sstevel@tonic-gate 	}
109*0Sstevel@tonic-gate 	sfi = fdopen(s, "r");
110*0Sstevel@tonic-gate 	sfo = fdopen(s, "w");
111*0Sstevel@tonic-gate 	if (sfi == NULL || sfo == NULL) {
112*0Sstevel@tonic-gate 		perror("fdopen");
113*0Sstevel@tonic-gate 		close(s);
114*0Sstevel@tonic-gate 		exit(1);
115*0Sstevel@tonic-gate 	}
116*0Sstevel@tonic-gate 	fprintf(sfo, "%s\r\n", *argv);
117*0Sstevel@tonic-gate 	fflush(sfo);
118*0Sstevel@tonic-gate 	while ((c = getc(sfi)) != EOF)
119*0Sstevel@tonic-gate 		putchar(c);
120*0Sstevel@tonic-gate 	exit(0);
121*0Sstevel@tonic-gate 	/* NOTREACHED */
122*0Sstevel@tonic-gate }
123