[unix-history] / usr.bin / whois / whois.c

/*
 * Copyright (c) 1980 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.
 *
 * PATCHES MAGIC                LEVEL   PATCH THAT GOT US HERE
 * --------------------         -----   ----------------------
 * CURRENT PATCH LEVEL:         1       00143
 * --------------------         -----   ----------------------
 *
 * 20 Apr 93	Unknown		New default 'whois' server address
 *
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1980 Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)whois.c	5.11 (Berkeley) 3/2/91";
#endif /* not lint */

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdio.h>

#define	NICHOST	"whois.internic.net"

main(argc, argv)
	int argc;
	char **argv;
{
	extern char *optarg;
	extern int optind;
	register FILE *sfi, *sfo;
	register int ch;
	struct sockaddr_in sin;
	struct hostent *hp;
	struct servent *sp;
	int s;
	char *host;

	host = NICHOST;
	while ((ch = getopt(argc, argv, "h:")) != EOF)
		switch((char)ch) {
		case 'h':
			host = optarg;
			break;
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (!argc)
		usage();

	hp = gethostbyname(host);
	if (hp == NULL) {
		(void)fprintf(stderr, "whois: %s: ", host);
		herror((char *)NULL);
		exit(1);
	}
	host = hp->h_name;
	s = socket(hp->h_addrtype, SOCK_STREAM, 0);
	if (s < 0) {
		perror("whois: socket");
		exit(1);
	}
	bzero((caddr_t)&sin, sizeof (sin));
	sin.sin_family = hp->h_addrtype;
	if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
		perror("whois: bind");
		exit(1);
	}
	bcopy(hp->h_addr, (char *)&sin.sin_addr, hp->h_length);
	sp = getservbyname("whois", "tcp");
	if (sp == NULL) {
		(void)fprintf(stderr, "whois: whois/tcp: unknown service\n");
		exit(1);
	}
	sin.sin_port = sp->s_port;
	if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
		perror("whois: connect");
		exit(1);
	}
	sfi = fdopen(s, "r");
	sfo = fdopen(s, "w");
	if (sfi == NULL || sfo == NULL) {
		perror("whois: fdopen");
		(void)close(s);
		exit(1);
	}
	while (argc-- > 1)
		(void)fprintf(sfo, "%s ", *argv++);
	(void)fprintf(sfo, "%s\r\n", *argv);
	(void)fflush(sfo);
	while ((ch = getc(sfi)) != EOF)
		putchar(ch);
	exit(0);
}

usage()
{
	(void)fprintf(stderr, "usage: whois [-h hostname] name ...\n");
	exit(1);
}
Commit	Line	Data
15637ed4 RG	1	/*
	2	* Copyright (c) 1980 Regents of the University of California.
	3	* 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	* PATCHES MAGIC LEVEL PATCH THAT GOT US HERE
	34	* -------------------- ----- ----------------------
	35	* CURRENT PATCH LEVEL: 1 00143
	36	* -------------------- ----- ----------------------
	37	*
	38	* 20 Apr 93 Unknown New default 'whois' server address
	39	*
	40	*/
	41
	42	#ifndef lint
	43	char copyright[] =
	44	"@(#) Copyright (c) 1980 Regents of the University of California.\n\
	45	All rights reserved.\n";
	46	#endif /* not lint */
	47
	48	#ifndef lint
	49	static char sccsid[] = "@(#)whois.c 5.11 (Berkeley) 3/2/91";
	50	#endif /* not lint */
	51
	52	#include <sys/types.h>
	53	#include <sys/socket.h>
	54	#include <netinet/in.h>
	55	#include <netdb.h>
	56	#include <stdio.h>
	57
	58	#define NICHOST "whois.internic.net"
	59
	60	main(argc, argv)
	61	int argc;
	62	char **argv;
	63	{
	64	extern char *optarg;
65	extern int optind;
66	register FILE sfi, sfo;
67	register int ch;
68	struct sockaddr_in sin;
69	struct hostent *hp;
70	struct servent *sp;
71	int s;
72	char *host;
73
74	host = NICHOST;
75	while ((ch = getopt(argc, argv, "h:")) != EOF)
76	switch((char)ch) {
77	case 'h':
78	host = optarg;
79	break;
80	case '?':
81	default:
82	usage();
83	}
84	argc -= optind;
85	argv += optind;
86
87	if (!argc)
88	usage();
89
90	hp = gethostbyname(host);
91	if (hp == NULL) {
92	(void)fprintf(stderr, "whois: %s: ", host);
93	herror((char *)NULL);
94	exit(1);
95	}
96	host = hp->h_name;
97	s = socket(hp->h_addrtype, SOCK_STREAM, 0);
98	if (s < 0) {
99	perror("whois: socket");
100	exit(1);
101	}
102	bzero((caddr_t)&sin, sizeof (sin));
103	sin.sin_family = hp->h_addrtype;
104	if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
105	perror("whois: bind");
106	exit(1);
107	}
108	bcopy(hp->h_addr, (char *)&sin.sin_addr, hp->h_length);
109	sp = getservbyname("whois", "tcp");
110	if (sp == NULL) {
111	(void)fprintf(stderr, "whois: whois/tcp: unknown service\n");
112	exit(1);
113	}
114	sin.sin_port = sp->s_port;
115	if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
116	perror("whois: connect");
117	exit(1);
118	}
119	sfi = fdopen(s, "r");
120	sfo = fdopen(s, "w");
121	if (sfi == NULL \|\| sfo == NULL) {
122	perror("whois: fdopen");
123	(void)close(s);
124	exit(1);
125	}
126	while (argc-- > 1)
127	(void)fprintf(sfo, "%s ", *argv++);
128	(void)fprintf(sfo, "%s\r\n", *argv);
129	(void)fflush(sfo);
130	while ((ch = getc(sfi)) != EOF)
131	putchar(ch);
132	exit(0);
133	}
134
135	usage()
136	{
137	(void)fprintf(stderr, "usage: whois [-h hostname] name ...\n");
138	exit(1);
139	}