home *** CD-ROM | disk | FTP | other *** search
- #!/bin/perl -w
-
- # gpgkeys_mailto - talk to a email keyserver
- # Copyright (C) 2001, 2002 Free Software Foundation, Inc.
- #
- # This file is part of GnuPG.
- #
- # GnuPG is free software; you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation; either version 2 of the License, or
- # (at your option) any later version.
- #
- # GnuPG is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License
- # along with this program; if not, write to the Free Software
- # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
-
- use Getopt::Std;
- $sendmail="/usr/sbin/sendmail -t";
-
- ###
-
- getopts('o:');
-
- if(defined($opt_o))
- {
- open(STDOUT,">$opt_o") || die "Can't open output file $opt_o\n";
- }
-
- if(@ARGV)
- {
- open(STDIN,$ARGV[0]) || die "Can't open input file $ARGV[0]\n";
- }
-
- ($login,$name)=(getpwuid($<))[0,6];
-
- $from="$name <$login>";
-
- while(<STDIN>)
- {
- last if($_ eq "\n");
-
- if(/^COMMAND (\S+)/)
- {
- $command=$1;
- }
-
- if(/^OPAQUE (\S+)/)
- {
- $address=$1;
- }
-
- if(/^PROGRAM (\S+)/)
- {
- $program=$1;
- }
-
- if(/^OPTION (\S+)/)
- {
- if($1=~/^verbose$/i)
- {
- $verbose++;
- }
- elsif($1=~/^no-verbose$/i)
- {
- $verbose--;
- }
- }
- }
-
- $program="(unknown)" if(!defined($program));
-
- if(!defined($address))
- {
- print STDERR "gpgkeys: no address provided\n";
- exit(1);
- }
-
- # decode $address
-
- ($address,$args)=split(/\?/,$address);
-
- if(defined($args))
- {
- @pairs = split(/&/, $args);
- foreach $pair (@pairs)
- {
- ($hdr, $val) = split(/=/, $pair);
- $hdr =~ tr/+/ /;
- $hdr =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
- $val =~ tr/+/ /;
- $val =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
- # we only handle "from" right now
- if($hdr=~/^from$/i)
- {
- $from=$val;
- last;
- }
- }
- }
-
- while(<STDIN>)
- {
- last if($_ eq "\n");
-
- chomp;
-
- push(@keys,$_);
- }
-
- # Send response
-
- print "VERSION 0\n";
- print "OPTION OUTOFBAND\n\n";
-
- # Email keyservers get and search the same way
-
- if($command=~/get/i || $command=~/search/i)
- {
- if($command=~/search/i)
- {
- print "COUNT 0\n";
- }
-
- foreach $key (@keys)
- {
- open(MAIL,"|$sendmail") || die "ERROR: Can't open $sendmail\n";
- print MAIL "From: $from\n";
- print MAIL "To: $address\n";
- if($command=~/get/i)
- {
- # mail keyservers don't like long-form keyids
-
- if(substr($key,0,2) eq "0x")
- {
- $key=substr($key,2);
- }
-
- if(length($key)>8)
- {
- $key=substr($key,-8);
- }
-
- print MAIL "Subject: GET 0x$key\n\n";
- }
- else
- {
- print MAIL "Subject: GET $key\n\n";
- }
- print MAIL "GnuPG $program email keyserver request\n";
- close(MAIL);
-
- # Tell GnuPG not to expect a key
- print "KEY $key OUTOFBAND\n";
-
- if($verbose)
- {
- print STDERR "gpgkeys: key $key requested from $address\n";
- }
- }
- }
-
- if($command=~/send/i)
- {
- while(!eof(STDIN))
- {
- open(MAIL,"|$sendmail") || die "ERROR: Can't open $sendmail\n";
- print MAIL "From: $name <$login>\n";
- print MAIL "To: $address\n";
- print MAIL "Subject: ADD\n\n";
-
- while(<STDIN>)
- {
- if(/^KEY (\S+) BEGIN$/)
- {
- $key=$1;
- last;
- }
- }
-
- while(<STDIN>)
- {
- if(/^KEY \S+ END$/)
- {
- last;
- }
-
- print MAIL;
- }
-
- close(MAIL);
-
- if($verbose)
- {
- print STDERR "gpgkeys: key $key sent to $address\n";
- }
- }
- }
-