Merge with OpenBSD whois (with bugfixes missed there)
New features are: Automatic lookup using *.whois-servers.net Recursive lookup using Registrar's name Fallback to InterNIC for non-domains -m for RADB database -Q to turn recursion/fallback off Obtained from: OpenBSD
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@ -1,7 +1,9 @@
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# @(#)Makefile 8.1 (Berkeley) 6/6/93
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# $FreeBSD$
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PROG= whois
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CFLAGS+=-Wall
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.if defined(SOCKS)
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CFLAGS+=-DSOCKS
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CFLAGS+=-Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dlisten=Rlisten \
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@ -32,7 +32,7 @@
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.\" From: @(#)whois.1 8.1 (Berkeley) 6/6/93
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.\" $FreeBSD$
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.\"
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.Dd February 1, 1999
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.Dd November 17, 1999
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.Dt WHOIS 1
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.Os BSD 4.3
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.Sh NAME
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@ -40,7 +40,7 @@
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.Nd Internet domain name and network number directory service
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.Sh SYNOPSIS
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.Nm whois
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.Op Fl adgiprR
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.Op Fl adgimpQrR
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.Op Fl h Ar host
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.Ar name ...
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.Sh DESCRIPTION
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@ -67,9 +67,18 @@ Use the US non-military federal government database, which contains points of
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contact for subdomains of
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.Tn \&.GOV .
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.It Fl h Ar host
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Use the specified host instead of the default NIC
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(whois.crsnic.net).
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Use the specified host instead of the default variant.
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Either a host name or an IP address may be specified.
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.Pp
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By default
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.Nm
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construct the name of a whois server to use from the top-level domain
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.Pq Tn TLD
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of the supplied (single) argument, and appending ".whois-servers.net".
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This effectively allows a suitable whois server to be selected
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automatically for a large number of TLDs.
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If no required whois-servers.net subdomain found, fallback
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to whois.crsnic.net provided.
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.It Fl i
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Use the Network Solutions Registry for Internet Numbers
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.Pq Tn InterNIC
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@ -81,11 +90,22 @@ for most of
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and
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.Tn \&.EDU
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domains.
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.It Fl m
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Use the Route Arbiter Database
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.Pq Tn RADB
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database. It contains route policy specifications for a large
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number of operators' networks.
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.It Fl p
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Use the Asia/Pacific Network Information Center
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.Pq Tn APNIC
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database. It contains network numbers used in East Asia, Australia,
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New Zealand, and the Pacific islands.
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.It Fl Q
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Do a quick lookup. This means that
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.Nm
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will not attempt to lookup the name in the authoratative whois
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server (if one is listed) nor will it contact InterNic if a lookup
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fails. This flag has no effect when combined with any other flag.
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.It Fl r
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Use the R\(aaeseaux IP Europ\(aaeens
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.Pq Tn RIPE
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@ -52,41 +52,52 @@ static const char rcsid[] =
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#include <err.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sysexits.h>
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#include <unistd.h>
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#define NICHOST "whois.crsnic.net"
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#define INICHOST "whois.internic.net"
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#define NICHOST "whois.crsnic.net"
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#define INICHOST "whois.internic.net"
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#define DNICHOST "whois.nic.mil"
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#define GNICHOST "whois.nic.gov"
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#define ANICHOST "whois.arin.net"
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#define RNICHOST "whois.ripe.net"
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#define PNICHOST "whois.apnic.net"
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#define RUNICHOST "whois.ripn.net"
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#define RUNICHOST "whois.ripn.net"
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#define MNICHOST "whois.ra.net"
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#define QNICHOST_TAIL ".whois-servers.net"
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#define WHOIS_PORT 43
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#define WHOIS_RECURSE 0x01
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#define WHOIS_INIC_FALLBACK 0x02
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#define WHOIS_QUICK 0x04
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static void usage __P((void));
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static void whois __P((char *, struct sockaddr_in *, int));
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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register FILE *sfi, *sfo;
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register int ch;
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struct sockaddr_in sin;
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struct hostent *hp;
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struct servent *sp;
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int s;
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int ch, i, j;
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int use_qnichost, flags;
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char *host;
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char *qnichost;
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struct servent *sp;
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struct hostent *hp;
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struct sockaddr_in sin;
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#ifdef SOCKS
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SOCKSinit(argv[0]);
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#endif
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host = NICHOST;
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while ((ch = getopt(argc, argv, "adgh:iprR")) != -1)
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host = NULL;
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qnichost = NULL;
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flags = 0;
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use_qnichost = 0;
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while ((ch = getopt(argc, argv, "adgh:impQrR")) != -1)
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switch((char)ch) {
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case 'a':
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host = ANICHOST;
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@ -103,9 +114,15 @@ main(argc, argv)
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case 'i':
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host = INICHOST;
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break;
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case 'm':
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host = MNICHOST;
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break;
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case 'p':
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host = PNICHOST;
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break;
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case 'Q':
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flags |= WHOIS_QUICK;
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break;
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case 'r':
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host = RNICHOST;
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break;
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@ -122,47 +139,143 @@ main(argc, argv)
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if (!argc)
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usage();
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s = socket(PF_INET, SOCK_STREAM, 0);
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if (s < 0)
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err(EX_OSERR, "socket");
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memset(&sin, 0, sizeof sin);
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sin.sin_len = sizeof sin;
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memset(&sin, 0, sizeof(sin));
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sin.sin_len = sizeof(sin);
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sin.sin_family = AF_INET;
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if (inet_aton(host, &sin.sin_addr) == 0) {
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hp = gethostbyname2(host, AF_INET);
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if (hp == NULL)
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errx(EX_NOHOST, "%s: %s", host, hstrerror(h_errno));
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host = hp->h_name;
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sin.sin_addr = *(struct in_addr *)hp->h_addr_list[0];
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}
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sp = getservbyname("whois", "tcp");
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if (sp == NULL)
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sin.sin_port = htons(WHOIS_PORT);
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else
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sin.sin_port = sp->s_port;
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if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0)
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/*
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* If no nic host is specified, use whois-servers.net
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* if there is a '.' in the name, else fall back to NICHOST.
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*/
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if (host == NULL) {
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use_qnichost = 1;
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host = NICHOST;
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if (!(flags & WHOIS_QUICK))
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flags |= WHOIS_INIC_FALLBACK | WHOIS_RECURSE;
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}
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while (argc--) {
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if (use_qnichost) {
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if (qnichost) {
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free(qnichost);
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qnichost = NULL;
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}
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for (i = j = 0; (*argv)[i]; i++)
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if ((*argv)[i] == '.')
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j = i;
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if (j != 0) {
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qnichost = (char *) calloc(i - j + 1 +
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strlen(QNICHOST_TAIL), sizeof(char));
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if (!qnichost)
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err(1, "calloc");
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strcpy(qnichost, *argv + j + 1);
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strcat(qnichost, QNICHOST_TAIL);
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if (inet_aton(qnichost, &sin.sin_addr) == 0) {
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hp = gethostbyname2(qnichost, AF_INET);
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if (hp == NULL) {
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free(qnichost);
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qnichost = NULL;
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} else {
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sin.sin_addr = *(struct in_addr *)hp->h_addr_list[0];
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}
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}
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}
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}
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if (!qnichost && inet_aton(host, &sin.sin_addr) == 0) {
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hp = gethostbyname2(host, AF_INET);
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if (hp == NULL)
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errx(EX_NOHOST, "%s: %s", host,
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hstrerror(h_errno));
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host = hp->h_name;
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sin.sin_addr = *(struct in_addr *)hp->h_addr_list[0];
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}
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whois(*argv++, &sin, flags);
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}
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exit(0);
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}
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static void
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whois(name, sinp, flags)
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char *name;
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struct sockaddr_in *sinp;
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int flags;
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{
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FILE *sfi, *sfo;
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char *buf, *p, *nhost;
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size_t len;
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int s, nomatch;
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s = socket(PF_INET, SOCK_STREAM, 0);
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if (s < 0)
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err(EX_OSERR, "socket");
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if (connect(s, (struct sockaddr *)sinp, sizeof(*sinp)) < 0)
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err(EX_OSERR, "connect");
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sfi = fdopen(s, "r");
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sfo = fdopen(s, "w");
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if (sfi == NULL || sfo == NULL)
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err(EX_OSERR, "fdopen");
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while (argc-- > 1)
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(void)fprintf(sfo, "%s ", *argv++);
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(void)fprintf(sfo, "%s\r\n", *argv);
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(void)fprintf(sfo, "%s\r\n", name);
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(void)fflush(sfo);
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while ((ch = getc(sfi)) != EOF)
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putchar(ch);
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exit(0);
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nhost = NULL;
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nomatch = 0;
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while ((buf = fgetln(sfi, &len))) {
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if (buf[len - 2] == '\r')
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buf[len - 2] = '\0';
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else
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buf[len - 1] = '\0';
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if ((flags & WHOIS_RECURSE) && !nhost &&
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(p = strstr(buf, "Whois Server: "))) {
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p += sizeof("Whois Server: ") - 1;
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if ((len = strcspn(p, " \t\n\r"))) {
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if ((nhost = malloc(len + 1)) == NULL)
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err(1, "malloc");
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memcpy(nhost, p, len);
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nhost[len] = '\0';
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}
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}
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if ((flags & WHOIS_INIC_FALLBACK) && !nhost && !nomatch &&
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(p = strstr(buf, "No match for \""))) {
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p += sizeof("No match for \"") - 1;
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if ((len = strcspn(p, "\"")) &&
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name[len] == '\0' &&
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strncasecmp(name, p, len) == 0 &&
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strchr(name, '.') == NULL)
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nomatch = 1;
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}
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(void)puts(buf);
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}
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/* Do second lookup as needed */
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if (nomatch && !nhost) {
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(void)printf("Looking up %s at %s.\n\n", name, INICHOST);
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nhost = INICHOST;
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}
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if (nhost) {
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if (inet_aton(nhost, &sinp->sin_addr) == 0) {
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struct hostent *hp = gethostbyname2(nhost, AF_INET);
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if (hp == NULL)
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return;
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sinp->sin_addr = *(struct in_addr *)hp->h_addr_list[0];
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}
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if (!nomatch)
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free(nhost);
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whois(name, sinp, 0);
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}
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}
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static void
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usage()
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{
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fprintf(stderr, "usage: whois [-adgiprR] [-h hostname] name ...\n");
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(void)fprintf(stderr,
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"usage: whois [-adgimpQrR] [-h hostname] name ...\n");
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exit(EX_USAGE);
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}
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