635 lines
16 KiB
C
635 lines
16 KiB
C
/* $NetBSD: whois.c,v 1.17 2001/04/06 11:13:46 wiz Exp $ */
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/*
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* RIPE version marten@ripe.net
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* many changes & networkupdate by david@ripe.net
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* cosmetics by steven@dante.org.uk -- gcc stopped complaining mostly,
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* code is still messy, though.
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*
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* 1.15 94/09/07
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*
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* 1.2 9705/02
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* "-v" option added; ambrose@ripe.net
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* "whois.ripe.net" replaced by "bsdbase.ripe.net"; ambrose@ripe.net
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* "bsdbase.ripe.net" replaced by "joshua.ripe.net"; marek@ripe.net
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* "joshua.ripe.net" replaced by "whois.ripe.net"; roman@ripe.net 981105
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*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if defined(sun) && defined(solaris)
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#define SYSV
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#endif
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1980, 1993\n\
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The Regents of the University of California. All rights reserved.\n");
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#endif /* not lint */
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#ifndef RIPE
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)whois.c 8.1 (Berkeley) 6/6/93";
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#else
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__RCSID("$NetBSD: whois.c,v 1.17 2001/04/06 11:13:46 wiz Exp $");
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#endif
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#endif /* not lint */
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#endif /* not RIPE */
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#ifdef RIPE
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#ifndef lint
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char sccsid[] =
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"@(#)whois.c 5.11 (Berkeley) 3/2/91 - RIPE 1.15 94/09/07 marten@ripe.net";
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#endif /* not lint */
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#endif /* RIPE */
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/param.h>
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#include <netinet/in.h>
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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 <ctype.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include <pwd.h>
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#include <signal.h>
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#if defined(SYSV)
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#include <crypt.h>
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#endif /* SYSV */
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#ifndef __NetBSD__
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#ifdef __STDC__
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extern int getopt(int argc, char * const *argv, const char *optstring);
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extern int kill(pid_t pid, int sig);
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extern FILE *fdopen(int fildes, const char *type);
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extern int gethostname(char *name, int namelen);
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#else /* !__STDC__ */
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extern int gethostname();
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#endif /* __STDC__ */
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#endif /* __NetBSD__ */
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#if defined(SYSV) || defined(__STDC__)
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#define index(s,c) strchr((const char*)(s),(int)(c))
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#define rindex(s,c) strrchr((const char*)(s),(int)(c))
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#define bzero(s,n) memset((void*)s,0,(size_t)n)
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#ifdef HASMEMMOVE
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# define bcopy(s,d,n) memmove((void*)(d),(void*)(s),(size_t)(n))
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#else
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# define bcopy(s,d,n) memcpy((void*)(d),(void*)(s),(size_t)(n))
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#endif /* HASMEMMOVE */
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#endif /* SYSV || __STDC__ */
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#ifdef GLIBC
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typedef __u_short u_short;
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typedef __caddr_t caddr_t;
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#endif /* GLIBC */
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/*
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# the following defines can be used but are not fully functional anymore...
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#
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# CLEVER- Use a educated guess of the whereabouts of the nearest server
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# This is done by taking the top-level domain of the current
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# machine, and looking for a CNAME record for a server with name
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# <top-level-domain>-whois.ripe.net
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# If this machine does not exsist or the current machine's top-level
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# domain could not be found,it will fall back to whois.ripe.net
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# the default for this RIPE version of whois
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# The CLEVER option implies the RIPE option.
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# TOPDOMAIN=\"<top-level-domain>\"
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# - This option will fix the default host to be
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# <top-level-domain>-whois.ripe.net, which may point to a secondary
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# server inside your top-level domain. If there is no such secondary
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# server, it will point to whois.ripe.net, the default. This option
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# overrules the CLEVER option.
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# The TOPDOMAIN option implies the RIPE option.
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*/
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#if defined(TOPDOMAIN) || defined(CLEVER)
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#ifndef RIPE
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#define RIPE
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#endif /* !RIPE */
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#endif /* TOPDOMAIN || CLEVER */
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#if defined(RIPE) && !defined(__NetBSD__)
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#include <sys/param.h>
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#define NICHOST "whois.ripe.net"
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#else
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#define NICHOST "whois.internic.net"
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#endif
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int main __P((int, char **));
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static void usage __P((void));
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static void closesocket __P((int, int));
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static void termhandler __P((int));
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void usage()
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{
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#ifdef RIPE
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#ifdef NETWORKUPDATE
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(void)fprintf(stderr, "\nUsage: networkupdate [-46] [-h hostname] [-p port]");
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#else
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(void)fprintf(stderr, "\nUsage: whois [-46aFLmMrSvR] [-h hostname] [-s sources] [-T types] [-i attr] keys\n");
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(void)fprintf(stderr, " whois -t type");
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(void)fprintf(stderr, " whois -v type");
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#endif
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#else
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(void)fprintf(stderr, "\nUsage: whois [-46] [-h hostname] [-p port] name ...");
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#endif
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(void)fprintf(stderr, "\n\nWhere:\n\n");
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(void)fprintf(stderr, "-4 Use IPv4 Only\n");
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(void)fprintf(stderr, "-6 Use IPv6 Only\n");
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#ifdef RIPE
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#ifndef NETWORKUPDATE
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(void)fprintf(stderr, "-a search all databases\n");
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(void)fprintf(stderr, "-F fast raw output\n");
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#endif
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#endif
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(void)fprintf(stderr, "-h hostname search alternate server\n");
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#ifdef RIPE
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#ifndef NETWORKUPDATE
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(void)fprintf(stderr, "-i [attr][[,attr] ... ] do an inverse lookup for specified attributes\n");
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(void)fprintf(stderr, "-L find all Less specific matches\n");
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(void)fprintf(stderr, "-m find first level more specific matches\n");
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(void)fprintf(stderr, "-M find all More specific matches\n");
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#endif
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#endif
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(void)fprintf(stderr, "-p port port to connect to\n");
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#ifdef RIPE
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#ifndef NETWORKUPDATE
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(void)fprintf(stderr, "-r turn off recursive lookups\n");
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(void)fprintf(stderr, "-s source[[,source] ... ] search databases with source 'source'\n");
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(void)fprintf(stderr, "-S tell server to leave out 'syntactic sugar'\n");
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(void)fprintf(stderr, "-t type requests template for object of type 'type'\n");
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(void)fprintf(stderr, "-v type requests verbose template for object of type 'type'\n");
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(void)fprintf(stderr, "-R force to show local copy of the domain object even if it contains referral\n");
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(void)fprintf(stderr, "-T type[[,type] ... ] only look for objects of type 'type'\n\n");
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(void)fprintf(stderr, "Please note that most of these flags are NOT understood by\n");
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(void)fprintf(stderr, "non RIPE whois servers\n");
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#endif
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#endif
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(void)fprintf(stderr, "\n");
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exit(1);
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}
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int s;
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void closesocket(s, child)
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int s, child;
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{
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/* printf("close connection child=%i\n", child); */
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close(s);
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#ifdef NETWORKUPDATE
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if (child==0) {
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kill(getppid(), SIGTERM);
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}
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#endif
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exit(0);
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}
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void termhandler(sig)
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int sig;
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{
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closesocket(s,1);
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}
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#ifdef RIPE
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#if defined(__STDC__) || defined(SYSV)
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#define occurs(str,pat) ((int) strstr((str),(pat)))
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#else /* !__STDC__ && !SYSV */
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int occurs(str, pat)
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char *str, *pat;
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{
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register char *point = str;
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while ((point=index(point, *pat)))
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{
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if (strncmp(point, pat, strlen(pat)) == 0)
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return(1);
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point++;
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}
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return(0);
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}
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#endif
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#endif
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int main(argc, argv)
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int argc;
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char **argv;
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{
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extern char *optarg;
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extern int optind;
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FILE *sfi;
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FILE *sfo;
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int ch;
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struct addrinfo *dst, hints;
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int af=PF_UNSPEC;
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int error;
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char *host, *whoishost;
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int optp=0;
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char *optport="whois";
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#ifdef DEBUG
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int verb=1;
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#else /*DEBUG */
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int verb=0;
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#endif
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#ifdef RIPE
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int opthost=0;
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#ifndef NETWORKUPDATE
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/* normal whois client */
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char *string;
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int alldatabases=0;
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int optsource=0, optrecur=0, optfast=0, opttempl=0, optverbose=0;
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int optobjtype=0, optsugar=0, optinverselookup=0, optgetupdates=0;
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int optL=0, optm=0, optM=0, optchanged=0, optnonreferral=0;
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char *source=NULL, *templ=NULL, *verbose=NULL, *objtype=NULL,
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*inverselookup=NULL, *getupdates=NULL;
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#else /* NETWORKUPDATE */
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/* networkupdate client */
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int prev;
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char domainname[64]; /* that's what sys/param.h says */
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struct passwd *passwdentry;
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int child;
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#endif
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#ifdef CLEVER
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int myerror;
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char *mytoplevel;
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char *myhost;
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#endif
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#endif
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#ifdef TOPDOMAIN
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char topdomain[] = TOPDOMAIN "-whois.ripe.net";
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host = topdomain;
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#else
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host = NICHOST;
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#endif
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#ifdef RIPE
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#ifdef NETWORKUPDATE
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while ((ch = getopt(argc, argv, "46h:p:")) != -1)
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#else
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while ((ch = getopt(argc, argv, "46acFg:h:i:LmMp:rs:SRt:T:v:")) != -1)
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#endif
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#else
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while ((ch = getopt(argc, argv, "46h:p:")) != -1)
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#endif
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switch((char)ch) {
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case '4':
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af = PF_INET;
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break;
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case '6':
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af = PF_INET6;
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break;
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case 'h':
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host = optarg;
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opthost = 1;
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break;
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case 'p':
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optport=optarg;
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optp =1;
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break;
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#ifdef RIPE
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#ifndef NETWORKUPDATE
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case 'a':
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alldatabases=1;
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break;
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case 'c':
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optchanged=1;
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break;
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case 'F':
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optfast = 1;
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break;
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case 'g':
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getupdates=optarg;
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optgetupdates=1;
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break;
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case 'i':
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inverselookup=optarg;
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optinverselookup = 1;
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break;
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case 'L':
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if (optM || optm) {
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fprintf(stderr, "Only one of -L, -m or -M allowed\n\n");
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usage();
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}
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optL=1;
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break;
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case 'm':
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if (optM || optL) {
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fprintf(stderr, "Only one of -L, -m or -M allowed\n\n");
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usage();
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}
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optm=1;
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break;
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case 'M':
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if (optL || optm) {
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fprintf(stderr, "Only one of -L, -m or -M allowed\n\n");
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usage();
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}
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optM=1;
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break;
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case 's':
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source = optarg;
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optsource=1;
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break;
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case 'S':
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optsugar=1;
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break;
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case 'R':
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optnonreferral=1;
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break;
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case 'r':
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optrecur=1;
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break;
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case 't':
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templ=optarg;
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opttempl=1;
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break;
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case 'v':
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verbose=optarg;
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optverbose=1;
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break;
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case 'T':
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objtype=optarg;
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optobjtype=1;
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break;
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#endif
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#endif
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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#ifdef RIPE
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#ifdef NETWORKUPDATE
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if (argc>0)
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usage();
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#else
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if ((argc<=0) && !opttempl && !optverbose && !optgetupdates && (!(opttempl && optgetupdates)))
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usage();
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#endif
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#else
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if (argc<=0)
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usage();
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#endif
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if (!opthost) {
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#ifdef CLEVER
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whoishost=(char *)calloc(MAXHOSTNAMELEN, sizeof(char));
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myhost =(char *)calloc(MAXHOSTNAMELEN, sizeof(char));
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myerror = gethostname(myhost, MAXHOSTNAMELEN);
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if (myerror >= 0) {
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if (occurs(myhost, ".")) {
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mytoplevel = rindex(myhost,'.');
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mytoplevel++;
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(void) sprintf(whoishost, "%s-whois.ripe.net", mytoplevel);
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if (verb) fprintf(stderr, "Clever guess: %s\n", whoishost);
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}
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}
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memset(&hints, 0, sizeof(hints));
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hints.ai_flags = AI_CANONNAME;
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hints.ai_family = af;
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hints.ai_socktype = SOCK_STREAM;
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hints.ai_protocol = 0;
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error = getaddrinfo(host, optport, &hints, &dst);
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if ((error) && (verb))
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fprintf(stderr,"No such host: %s\n", whoishost);
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if (error) {
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#endif
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whoishost=NICHOST;
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if (verb)
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fprintf(stderr, "Default host: %s\n\n", whoishost);
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memset(&hints, 0, sizeof(hints));
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hints.ai_flags = AI_CANONNAME;
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hints.ai_family = af;
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hints.ai_socktype = SOCK_STREAM;
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hints.ai_protocol = 0;
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error = getaddrinfo(host, optport , &hints, &dst);
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if (error) {
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fprintf(stderr,"No such host: %s\n", whoishost);
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if (verb) fprintf(stderr, "Now I give up ...\n");
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perror("Unknown host");
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exit(1);
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}
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#ifdef CLEVER
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}
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#endif
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}
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else {
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if (verb)
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fprintf(stderr, "Trying: %s\n\n", host);
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memset(&hints, 0, sizeof(hints));
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hints.ai_flags = AI_CANONNAME;
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hints.ai_family = af;
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hints.ai_socktype = SOCK_STREAM;
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hints.ai_protocol = 0;
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error = getaddrinfo(host, optport, &hints, &dst);
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if (error) {
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(void)fprintf(stderr, "whois: %s: ", host);
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perror("Unknown host");
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exit(1);
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}
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}
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for (/*nothing*/; dst; dst = dst->ai_next) {
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s = socket(dst->ai_family, dst->ai_socktype, dst->ai_protocol);
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if (s < 0)
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continue;
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if (connect(s, dst->ai_addr, dst->ai_addrlen) < 0) {
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close(s);
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if (verb) (void)fprintf(stderr, "whois: connect miss\n");
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continue;
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}
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/*okay*/
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break;
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}
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if (dst == NULL) {
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perror("whois: connect");
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exit(1);
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}
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if (verb) (void)fprintf(stderr, "whois: connect success\n");
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#ifndef NETWORKUPDATE
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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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perror("whois: fdopen");
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(void)close(s);
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exit(1);
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}
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|
#endif
|
|
|
|
signal(SIGTERM, termhandler);
|
|
|
|
#ifdef RIPE
|
|
#ifdef NETWORKUPDATE
|
|
|
|
if ((child=fork())==0) {
|
|
|
|
sfo = fdopen(s, "w");
|
|
if (sfo == NULL) {
|
|
perror("whois: fdopen");
|
|
(void)close(s);
|
|
exit(1);
|
|
}
|
|
|
|
if (gethostname(domainname, sizeof(domainname))) {
|
|
fprintf(stderr, "error when doing gethostname()");
|
|
exit(1);
|
|
}
|
|
|
|
passwdentry=getpwuid(getuid());
|
|
|
|
fprintf(sfo, "-Vnc2.0 -U %s %s\n", passwdentry->pw_name, domainname);
|
|
fflush(sfo);
|
|
|
|
prev='\0';
|
|
|
|
while ((ch=getchar()) != EOF) {
|
|
|
|
fputc(ch, sfo);
|
|
|
|
if (ch=='\n') fflush(sfo);
|
|
if (feof(sfo)) closesocket(s, child);
|
|
if ((ch=='.') && (prev=='\n')) closesocket(s, child);
|
|
if (!isspace(ch) || ((!isspace(prev)) && (ch=='\n'))) prev=ch;
|
|
}
|
|
|
|
closesocket(s, child);
|
|
|
|
}
|
|
|
|
sfi = fdopen(s, "r");
|
|
if (sfi == NULL) {
|
|
perror("whois: fdopen");
|
|
(void)close(s);
|
|
exit(1);
|
|
}
|
|
|
|
#else
|
|
|
|
if (alldatabases)
|
|
(void)fprintf(sfo, "-a ");
|
|
if (optchanged)
|
|
(void)fprintf(sfo, "-c ");
|
|
if (optfast)
|
|
(void)fprintf(sfo, "-F ");
|
|
if (optgetupdates)
|
|
(void)fprintf(sfo, "-g %s ", getupdates);
|
|
if (optinverselookup)
|
|
(void)fprintf(sfo, "-i %s ", inverselookup);
|
|
if (optL)
|
|
(void)fprintf(sfo, "-L ");
|
|
if (optm)
|
|
(void)fprintf(sfo, "-m ");
|
|
if (optM)
|
|
(void)fprintf(sfo, "-M ");
|
|
if (optrecur)
|
|
(void)fprintf(sfo, "-r ");
|
|
if (optsource)
|
|
(void)fprintf(sfo, "-s %s ", source);
|
|
if (optsugar)
|
|
(void)fprintf(sfo, "-S ");
|
|
if (optnonreferral)
|
|
(void)fprintf(sfo, "-R ");
|
|
if (opttempl)
|
|
(void)fprintf(sfo, "-t %s ", templ);
|
|
if (optverbose)
|
|
(void)fprintf(sfo, "-v %s ", verbose);
|
|
if (optobjtype)
|
|
(void)fprintf(sfo, "-T %s ", objtype);
|
|
|
|
/* we can only send the -V when we are sure that we are dealing with
|
|
a RIPE whois server :-( */
|
|
|
|
whoishost=(char *)calloc(strlen(host)+1, sizeof(char));
|
|
strcpy(whoishost, host);
|
|
for (string=whoishost;(*string=(char)tolower(*string));string++);
|
|
|
|
if (strstr(whoishost, "ripe.net") ||
|
|
strstr(whoishost, "ra.net") ||
|
|
strstr(whoishost, "apnic.net") ||
|
|
strstr(whoishost, "mci.net") ||
|
|
strstr(whoishost, "isi.edu") ||
|
|
strstr(whoishost, "garr.it") ||
|
|
strstr(whoishost, "ans.net") ||
|
|
alldatabases || optfast || optgetupdates || optinverselookup ||
|
|
optL || optm || optM || optrecur || optsugar || optsource ||
|
|
opttempl || optverbose || optobjtype)
|
|
(void)fprintf(sfo, "-VwC2.0 ");
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef NETWORKUPDATE
|
|
while (argc-- > 1)
|
|
(void)fprintf(sfo, "%s ", *argv++);
|
|
if (*argv) (void)fputs(*argv, sfo);
|
|
(void)fputs("\r\n", sfo);
|
|
(void)fflush(sfo);
|
|
#endif
|
|
|
|
while ((ch = getc(sfi)) != EOF)
|
|
putchar(ch);
|
|
|
|
closesocket(s, 1);
|
|
|
|
exit(0);
|
|
|
|
}
|