* Copyright (c) 1980 Regents of the University of California.
* All rights reserved.
*
- * Redistribution and use in source and binary forms are permitted provided
- * that: (1) source distributions retain this entire copyright notice and
- * comment, and (2) distributions including binaries display the following
- * acknowledgement: ``This product includes software developed by the
- * University of California, Berkeley and its contributors'' in the
- * documentation or other materials provided with the distribution and in
- * all advertising materials mentioning features or use of this software.
- * 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * 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.
*/
#ifndef lint
#endif /* not lint */
#ifndef lint
-static char sccsid[] = "@(#)whois.c 5.9 (Berkeley) 6/1/90";
+static char sccsid[] = "@(#)whois.c 5.11 (Berkeley) 3/2/91";
#endif /* not lint */
#include <sys/types.h>
argc -= optind;
argv += optind;
- if (argc != 1)
+ if (!argc)
usage();
hp = gethostbyname(host);
s = socket(hp->h_addrtype, SOCK_STREAM, 0);
if (s < 0) {
perror("whois: socket");
- exit(2);
+ 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(3);
+ 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(4);
+ exit(1);
}
sin.sin_port = sp->s_port;
- if (connect(s, &sin, sizeof(sin)) < 0) {
+ if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
perror("whois: connect");
- exit(5);
+ exit(1);
}
sfi = fdopen(s, "r");
sfo = fdopen(s, "w");
(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)
exit(0);
}
-static
usage()
{
- (void)fprintf(stderr, "usage: whois [-h host] name\n");
+ (void)fprintf(stderr, "usage: whois [-h hostname] name ...\n");
exit(1);
}