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cacert-webdb/CommModule/client.pl

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#!/usr/bin/perl -w
# CommModule - CAcert Communication Module
# Copyright (C) 2006-2009 CAcert Inc.
#
# This program 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; version 2 of the License.
#
# This program 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
# Production Client / CommModule
use strict;
use Device::SerialPort qw( :PARAM :STAT 0.07 );
use POSIX;
use IO::Select;
use Time::HiRes q(usleep);
use File::CounterFile;
use IPC::Open3;
use File::Copy;
use DBI;
use Locale::gettext;
use IO::Socket;
use MIME::Base64;
use Digest::SHA qw(sha1_hex);
#Protocol version:
my $ver=1;
my $paranoid=1;
my $debug=0;
#my $serialport="/dev/ttyS0";
my $serialport="/dev/ttyUSB0";
my $gpgbin="/usr/bin/gpg";
my $opensslbin="/usr/bin/openssl";
my $mysqlphp="/home/cacert/www/includes/mysql.php";
my %revokefile=(2=>"../www/class3-revoke.crl",1=>"../www/revoke.crl");
my $newlayout=1;
#End of configurations
########################################################
my %monarr = ("Jan" => 1, "Feb" => 2, "Mar" => 3, "Apr" => 4, "May" => 5, "Jun" => 6, "Jul" => 7, "Aug" => 8, "Sep" => 9, "Oct" => 10, "Nov" => 11, "Dec" => 12);
my $password="";
if(open IN,"<$mysqlphp")
{
my $content="";
undef $/;
$content=<IN>;
$password=$1 if($content=~m/mysql_connect\s*\("[^"]+",\s*"\w+",\s*"(\w+)"/);
close IN;
$/="\n";
}
else
{
die "Could not read file: $!\n";
}
my $dbh = DBI->connect("DBI:mysql:cacert:localhost","cacert",$password, { RaiseError => 1, AutoCommit => 1 }) || die ("Error with the database connection.\n");
sub readfile($)
{
my $save=$/;
undef $/;
open READIN,"<$_[0]";
my $content=<READIN>;
close READIN;
$/=$save;
return $content;
}
#Logging functions:
my $lastdate = "";
sub SysLog($)
{
return if(not defined($_[0]));
my $timestamp = strftime("%Y-%m-%d %H:%M:%S", localtime);
my $currdate = substr($timestamp, 0, 10);
if ($lastdate ne $currdate) {
close LOG if ($lastdate ne "");
$lastdate = $currdate;
open LOG,">>logfile$lastdate.txt";
}
print LOG "$timestamp $_[0]";
flush LOG;
}
sub Error($)
{
SysLog($_[0]);
if($paranoid)
{
die $_[0];
}
}
my $timestamp=strftime("%Y-%m-%d %H:%M:%S",localtime);
#mkdir "revokehashes";
foreach (keys %revokefile)
{
next unless (-f $revokefile{$_});
my $revokehash=sha1_hex(readfile($revokefile{$_}));
SysLog "Root $_: Hash $revokefile{$_} = $revokehash\n";
}
sub mysql_query($)
{
$dbh->do($_[0]);
}
sub trim($)
{
my $new=$_[0];
$new=~s/^\s*//;
$new=~s/\s*$//;
return($new);
}
sub addslashes($)
{
my $new=$_[0];
$new=~s/['"\\]/\\$1/g;
return($new);
}
sub recode
{
return $_[1];
}
SysLog("Opening Serial interface:\n");
sub SerialSettings($)
{
my $PortObj=$_[0];
if(!defined($PortObj))
{
Error "Could not open Serial Port!\n" ;
}
else
{
$PortObj->baudrate(115200);
$PortObj->parity("none");
$PortObj->databits(8);
$PortObj->stopbits(1);
}
}
#We have to open the SerialPort and close it again, so that we can bind it to a Handle
if(! -f "serial.conf")
{
my $PortObj = new Device::SerialPort($serialport);
SerialSettings($PortObj);
$PortObj->save("serial.conf");
undef $PortObj;
}
my $PortObj = tie (*SER, 'Device::SerialPort', "serial.conf") || Error "Can't tie using Configuration_File_Name: $!\n";
Error "Could not open Serial Interface!\n" if(not defined($PortObj));
SerialSettings($PortObj);
#open SER,">$serialport";
SysLog("Serial interface opened: $PortObj\n");
my $sel = new IO::Select( \*SER );
#Hexdump function: Returns the hexdump representation of a string
sub hexdump($)
{
return "" if(not defined($_[0]));
my $content="";
$content.=sprintf("%02X ",unpack("C",substr($_[0],$_,1))) foreach (0 .. length($_[0])-1);
return $content;
}
#pack3 packs together the length of the data in 3 bytes and the data itself, size limited to 16MB. In case the data is more than 16 MB, it is ignored, and a 0 Byte block is transferred
sub pack3
{
return "\x00\x00\x00" if(!defined($_[0]));
my $data=(length($_[0]) >= 2**24)? "":$_[0];
my $len=pack("N",length($data));
SysLog "len: ".length($data)."\n" if($debug);
return substr($len,1,3).$data;
}
#unpack3 unpacks packed data.
sub unpack3($)
{
return undef if((not defined($_[0])) or length($_[0])<3);
#SysLog "hexdump: ".hexdump("\x00".substr($_[0],0,3))."\n";
my $len=unpack("N","\x00".substr($_[0],0,3));
#SysLog "len3: $len length(): ".length($_[0])." length()-3: ".(length($_[0])-3)."\n";
return undef if(length($_[0])-3 != $len);
return substr($_[0],3);
}
#unpack3array extracts a whole array of concatented pack3ed data.
sub unpack3array($)
{
my @retarr=();
if((not defined($_[0])) or length($_[0])<3)
{
SysLog "Begin of structure corrupt\n";
return ();
}
my $dataleft=$_[0];
while(length($dataleft)>=3)
{
#SysLog "hexdump: ".hexdump("\x00".substr($dataleft,0,3))."\n";
my $len=unpack("N","\x00".substr($dataleft,0,3));
#SysLog "len3: $len length(): ".length($dataleft)." length()-3: ".(length($dataleft)-3)."\n";
if(length($dataleft)-3 < $len)
{
SysLog "Structure cut off\n";
return ();
}
push @retarr, substr($dataleft,3,$len);
$dataleft=substr($dataleft,3+$len);
}
if(length($dataleft)!=0)
{
SysLog "End of structure cut off\n";
return ();
}
return @retarr;
}
#Raw send function over the Serial Interface (+debugging)
sub SendIt($)
{
return unless defined($_[0]);
SysLog "Sending ".length($_[0])."\n"; #hexdump($_[0])."\n" if($debug);
my $data=$_[0];
my $runcount=0;
my $total=0;
my $mtu=30;
while(length($data))
{
my $iwrote=scalar($PortObj->write(substr($data,0,$mtu)))||0;
#usleep(270*$iwrote+9000); # On Linux, we have to wait to make sure it is being sent, and we dont loose any data.
$total+=$iwrote;
$data=substr($data,$iwrote);
if ($debug) {
print "i wrote: $iwrote total: $total left: ".length($data)."\n" if(!($runcount++ %10));
}
}
SysLog "Sent message.\n" if($debug);
# print "Sending ".length($_[0])."\n"; #hexdump($_[0])."\n";
# foreach(0 .. length($_[0]))
# {
# $PortObj->write(substr($_[0],$_,1));
# }
}
my $modus=0;
my $cnt=0;
#Send data over the Serial Interface with handshaking:
sub SendHandshaked($)
{
SysLog "Shaking hands ...\n" if($debug);
SendIt("\x02");
Error "Handshake uncompleted. Connection lost2! $!\n" if(!scalar($sel->can_read(20)));
my $data="";
my $length=read SER,$data,1;
if($length && $data eq "\x10")
{
#print "OK ...\n";
my $xor=0;
foreach(0 .. length($_[0])-1)
{
#print "xor mit ".unpack("C",substr($_[0],$_,1))."\n";
$xor ^= unpack("C",substr($_[0],$_,1));
}
#print "XOR: $xor\n";
my $tryagain=1;
while($tryagain)
{
SendIt($_[0].pack("C",$xor)."rie4Ech7");
Error "Packet receipt was not confirmed in 5 seconds. Connection lost!\n" if(!scalar($sel->can_read(5)));
$data="";
$length=read SER,$data,1;
if($length && $data eq "\x10")
{
SysLog "Sent successfully!...\n";
$tryagain=0;
}
elsif($length && $data eq "\x11")
{
$tryagain=1;
}
else
{
Error "I cannot send! $length ".unpack("C",$data)."\n";
}
}
}
else
{
print "!Cannot send! $length \n";
Error "!Stopped sending.\n";
}
}
sub Receive
{
my $data="";
my @ready = $sel->can_read(120);
my $length=read SER,$data,1,0;
#SysLog "Data: ".hexdump($data)."\n";
if($data eq "\x02")
{
$modus=1;
SysLog "Start received, sending OK\n" if($debug);
SendIt("\x10");
my $block="";
my $blockfinished=0;
my $tries=100000;
while(!$blockfinished)
{
Error("Tried reading too often\n") if(($tries--)<=0);
# SysLog ("tries: $tries") if(!($tries%10));
$data="";
if(!scalar($sel->can_read(5)))
{
Error "Handshake uncompleted. Connection lost variant3! $!\n" ;
return;
}
$length=read SER,$data,100,0;
if($length)
{
$block.=$data;
}
#SysLog("Received: $length ".length($block)."\n");
$blockfinished=defined(unpack3(substr($block,0,-9)))?1:0;
if(!$blockfinished and substr($block,-8,8) eq "rie4Ech7")
{
SysLog "BROKEN Block detected!\n";
SendIt("\x11");
$block="";
$blockfinished=0;
$tries=100000;
}
}
SysLog "Block done: ".hexdump($block)."\n" if($debug);
SendIt("\x10");
return($block);
}
else
{
Error("Error: No Answer received, Timeout.\n") if(length($data)==0);
Error("Error: Wrong Startbyte: ".hexdump($data)." !\n");
}
SysLog "Waiting on next request ...\n";
}
# @result(Version,Action,Errorcode,Response)=Request(Version=1,Action=1,System=1,Root=1,Configuration="...",Parameter="...",Request="...");
sub Request($$$$$$$$$$$)
{
SysLog "Version: $_[0] Action: $_[1] System: $_[2] Root: $_[3] Config: $_[4]\n";
$_[3]=0 if($_[3]<0);
SendHandshaked(pack3(pack3(pack("C*",$_[0],$_[1],$_[2],$_[3],$_[4],$_[5],$_[6]>>8,$_[6]&255,$_[7])).pack3($_[8]).pack3($_[9]).pack3($_[10])));
my $data=Receive();
my @fields=unpack3array(substr($data,3,-9));
SysLog "Answer from Server: ".hexdump($data)."\n" if($debug);
#if(open OUT,">result.dat")
#{
# print OUT $data;
# close OUT;
#}
#else
#{
# SysLog "Could not write result: $!\n";
#}
return $fields[1];
}
sub calculateDays($)
{
if($_[0])
{
my @sum = $dbh->selectrow_array("select sum(`points`) as `total` from `notary` where `to`='".$_[0]."' and `deleted`=0 group by `to`");
SysLog("Summe: $sum[0]\n") if($debug);
return ($sum[0]>=50)?730:180;
}
return 180;
}
sub X509extractSAN($)
{
my @bits = split("/", $_[0]);
my $SAN="";
my $newsubject="";
foreach my $val(@bits)
{
my @bit=split("=",$val);
if($bit[0] eq "subjectAltName")
{
$SAN.="," if($SAN ne "");
$SAN.= trim($bit[1]);
}
else
{
$newsubject .= "/".$val;
}
}
$newsubject=~s{^//}{/};
$newsubject=~s/[\n\r\t\x00"\\']//g;
$SAN=~s/[ \n\r\t\x00"\\']//g;
return($SAN,$newsubject);
}
sub X509extractExpiryDate($)
{
# TIMEZONE ?!?
my $data=`$opensslbin x509 -in "$_[0]" -noout -enddate`;
#notAfter=Aug 8 10:26:34 2007 GMT
if($data=~m/notAfter=(\w{2,4}) *(\d{1,2}) *(\d{1,2}:\d{1,2}:\d{1,2}) (\d{4}) GMT/)
{
my $date="$4-".$monarr{$1}."-$2 $3";
SysLog "Expiry Date found: $date\n" if($debug);
return $date;
}
else
{
SysLog "Expiry Date not found: $data\n";
}
return "";
}
sub CRLuptodate($)
{
return 0 unless(-f $_[0]);
my $data=`$opensslbin crl -in "$_[0]" -noout -lastupdate -inform der`;
SysLog "CRL: $data\n";
#lastUpdate=Aug 8 10:26:34 2007 GMT
# Is the timezone handled properly?
if($data=~m/lastUpdate=(\w{2,4}) *(\d{1,2}) *(\d{1,2}:\d{1,2}:\d{1,2}) (\d{4}) GMT/)
{
my $date=sprintf("%04d-%02d-%02d",$4,$monarr{$1},$2);
SysLog "CRL Issueing Date found: $date\n" if($debug);
my $compare = strftime("%Y-%m-%d", localtime);
SysLog "Comparing $date with $compare\n" if($debug);
return $date eq $compare;
}
else
{
SysLog "Expiry Date not found. Perhaps DER format is necessary? Hint: $data\n";
}
return 0;
}
sub X509extractSerialNumber($)
{
# TIMEZONE ?!?
my $data=`$opensslbin x509 -in "$_[0]" -noout -serial`;
if($data=~m/serial=([0-9A-F]+)/)
{
return $1;
}
return "";
}
sub OpenPGPextractExpiryDate ($)
{
my $r="";
my $cts;
my @date;
open(RGPG, $gpgbin.' -vv '.$_[0].' 2>&1 |') or Error('Can\'t start GnuPG($gpgbin): '.$!."\n");
open(OUT, '> infogpg.txt' ) or Error('Can\'t open output file: infogpg.txt: '.$!);
$/="\n";
while (<RGPG>)
{
print OUT $_;
unless ($r)
{
if ( /^\s*version \d+, created (\d+), md5len 0, sigclass (?:0x[0-9a-fA-F]+|\d+)\s*$/ )
{
SysLog "Detected CTS: $1\n";
$cts = int($1);
} elsif ( /^\s*critical hashed subpkt \d+ len \d+ \(sig expires after ((\d+)y)?((\d+)d)?((\d+)h)?(\d+)m\)\s*$/ )
{
SysLog "Detected FRAME $2 $4 $6 $8\n";
$cts += $2 * 31536000; # secs per year (60 * 60 * 24 * 365)
$cts += $4 * 86400; # secs per day (60 * 60 * 24)
$cts += $6 * 3600; # secs per hour (60 * 60)
$cts += $8 * 60; # secs per min (60)
$r = $cts;
}
elsif(/version/)
{
SysLog "Detected VERSION\n";
}
}
}
close(OUT );
close(RGPG);
SysLog "CTS: $cts R: $r\n";
if ( $r )
{
@date = gmtime($r);
$r = sprintf('%.4i-%.2i-%.2i %.2i:%.2i:%.2i', # date format
$date[5] + 1900, $date[4] + 1, $date[3], # day
$date[2], $date[1], $date[0], # time
);
}
SysLog "$r\n";
return $r;
}
#sub OpenPGPextractExpiryDate($)
#{
# my $data=`$gpgbin -v $_[0]`;
# open OUT,">infogpg.txt";
# print OUT $data;
# close OUT;
# if($data=~m/^sig\s+[0-9A-F]{8} (\d{4}-\d\d-\d\d) [^\[]/)
# {
# return "$1 00:00:00";
# }
# return "";
#}
# Sets the locale according to the users preferred language
sub setUsersLanguage($)
{
my $lang="en_US";
print "Searching for the language of the user $_[0]\n";
my @a=$dbh->selectrow_array("select language from users where id='".int($_[0])."'");
$lang = $1 if($a[0]=~m/(\w+_[\w.@]+)/);
SysLog "The users preferred language: $lang\n";
if($lang ne "")
{
$ENV{"LANG"}=$lang;
setlocale(LC_ALL, $lang);
} else {
$ENV{"LANG"}="en_AU";
setlocale(LC_ALL, "en_AU");
}
}
sub getUserData($)
{
return() unless($_[0]=~m/^\d+$/);
my $sth = $dbh->prepare("select * from users where id='$_[0]'");
$sth->execute();
#SysLog "USER DUMP:\n";
while ( my $rowdata = $sth->fetchrow_hashref() )
{
my %tmp=%{$rowdata};
#foreach (sort keys %tmp)
#{
#SysLog " $_ -> $tmp{$_}\n";
#}
return %tmp;
}
return ();
}
sub _($)
{
return gettext($_[0]);
}
sub sendmail($$$$$$$)
{
my ($to, $subject, $message, $from, $replyto, $toname, $fromname)=@_;
my $errorsto="returns\@cacert.org";
my $extra="";
# sendmail($user{email}, "[CAcert.org] Your GPG/PGP Key", $body, "support\@cacert.org", "", "", "CAcert Support");
my @lines=split("\n",$message);
$message = "";
foreach my $line (@lines)
{
$line = trim($line);
if($line eq ".")
{
$message .= " .\n";
} else
{
$message .= $line."\n";
}
}
$fromname = $from if($fromname eq "");
my @bits = split(",", $from);
$from = addslashes($bits['0']);
$fromname = addslashes($fromname);
my $smtp = IO::Socket::INET->new(PeerAddr => 'localhost:25');
$/="\n";
SysLog "SMTP: ".<$smtp>;
print $smtp "HELO hlin.cacert.org\r\n";
SysLog "SMTP: ".<$smtp>;
print $smtp "MAIL FROM:<returns\@cacert.org>\r\n";
SysLog "MAIL FROM: ".<$smtp>;
@bits = split(",", $to);
foreach my $user (@bits)
{
print $smtp "RCPT TO:<".trim($user).">\r\n";
SysLog "RCPT TO: ".<$smtp>;
}
print $smtp "DATA\r\n";
SysLog "DATA: ".<$smtp>;
print $smtp "X-Mailer: CAcert.org Website\r\n";
print $smtp "X-OriginatingIP: ".$ENV{"REMOTE_ADDR"}."\r\n";
print $smtp "Sender: $errorsto\r\n";
print $smtp "Errors-To: $errorsto\r\n";
if($replyto ne "")
{
print $smtp "Reply-To: $replyto\r\n";
}
else
{
print $smtp "Reply-To: $from\r\n";
}
print $smtp "From: $from ($fromname)\r\n";
print $smtp "To: $to\r\n";
my $newsubj=encode_base64(recode("html..utf-8", trim($subject)));
#SysLog("NewSubj: --".$newsubj."--\n") if($debug);
$newsubj=~s/\n*$//;
#SysLog("NewSubj: --".$newsubj."--\n") if($debug);
print $smtp trim($subject)=~m/[^a-zA-Z0-9 ,.\[\]\/-]/?"Subject: =?utf-8?B?$newsubj?=\r\n":"Subject: $subject\r\n";
print $smtp "Mime-Version: 1.0\r\n";
if($extra eq "")
{
print $smtp "Content-Type: text/plain; charset=\"utf-8\"\r\n";
print $smtp "Content-Transfer-Encoding: 8bit\r\n";
}
else
{
print $smtp "Content-Type: text/plain; charset=\"iso-8859-1\"\r\n";
print $smtp "Content-Transfer-Encoding: quoted-printable\r\n";
print $smtp "Content-Disposition: inline\r\n";
};
# print $smtp "Content-Transfer-Encoding: BASE64\r\n";
print $smtp "\r\n";
# print $smtp chunk_split(encode_base64(recode("html..utf-8", $message)))."\r\n.\r\n";
print $smtp recode("html..utf-8", $message)."\r\n.\r\n";
SysLog "ENDOFTEXT: ".<$smtp>;
print $smtp "QUIT\n";
SysLog "QUIT: ".<$smtp>;
close($smtp);
}
sub HandleCerts($$)
{
my $org=$_[0]?"org":"";
my $server=$_[1];
my $table=$org.($server?"domaincerts":"emailcerts");
SysLog "HandleCerts $table\n";
my $sth = $dbh->prepare("select * from $table where crt_name='' and csr_name!='' and warning<3");
$sth->execute();
#$rowdata;
while ( my $rowdata = $sth->fetchrow_hashref() )
{
my %row=%{$rowdata};
my $prefix=$org.($server?"server":"client");
my $short=int($row{'id'}/1000);
my $csrname = "../csr/$prefix-".$row{'id'}.".csr";
$csrname = "../csr/$prefix/$short/$prefix-".$row{'id'}.".csr" if($newlayout);
SysLog("New Layout: "."../csr/$prefix/$short/$prefix-".$row{'id'}.".csr\n");
#my $crtname = "../crt/$prefix-".$row{'id'}.".crt";
my $crtname=$csrname; $crtname=~s/^\.\.\/csr/..\/crt/; $crtname=~s/\.csr$/.crt/;
my $dirname=$crtname; $dirname=~s/\/[^\/]*\.crt//;
mkdir $dirname,0777;
SysLog("New Layout: $crtname\n");
if($server)
{
#Weird SQL structure ...
my @sqlres=$dbh->selectrow_array("select memid from domains where id='".int($row{'domid'})."'");
$row{'memid'}=$sqlres[0];
SysLog("Fetched memid: $row{'memid'}\n") if($debug);
}
SysLog "Opening $csrname\n";
my $crt="";
my $profile=0;
# "0"=>"client.cnf",
# "1"=>"client-org.cnf",
# "2"=>"client-codesign.cnf",
# "3"=>"client-machine.cnf",
# "4"=>"client-ads.cnf",
# "5"=>"server.cnf",
# "6"=>"server-org.cnf",
# "7"=>"server-jabber.cnf",
# "8"=>"server-ocsp.cnf",
# "9"=>"server-timestamp.cnf",
# "10"=>"proxy.cnf",
# "11"=>"subca.cnf"
if($row{"type"} =~ m/^(8|9)$/)
{
$profile=$row{"type"};
}
elsif($org)
{
if($row{'codesign'})
{
$profile=2; ## TODO!
}
elsif($server)
{
$profile=6;
}
else
{
$profile=1;
}
}
else
{
if($row{'codesign'})
{
$profile=2;
}
elsif($server)
{
$profile=5;
}
else
{
$profile=0;
}
}
if(open(IN,"<$csrname"))
{
undef $/;
my $content=<IN>;
close IN;
SysLog "Read $csrname.\n" if($debug);
SysLog "Subject: --$row{'subject'}--\n" if($debug);
my ($SAN,$subject)=X509extractSAN($row{'subject'});
SysLog "Subject: --$subject--\n" if($debug);
SysLog "SAN: --$SAN--\n" if($debug);
SysLog "memid: $row{'memid'}\n" if($debug);
my $days=$org?($server?(365*2):365):calculateDays($row{"memid"});
my $md_id = 0;
$md_id = 1 if( $row{'md'} eq "md5");
$md_id = 2 if( $row{'md'} eq "sha1");
$md_id = 3 if( $row{'md'} eq "rmd160");
$md_id = 8 if( $row{'md'} eq "sha256");
$md_id = 9 if( $row{'md'} eq "sha384");
$md_id =10 if( $row{'md'} eq "sha512");
$crt=Request($ver,1,1,$row{'rootcert'}-1,$profile,$md_id,$days,$row{'keytype'}eq"NS"?1:0,$content,$SAN,$subject);
if(length($crt))
{
if($crt=~m/^-----BEGIN CERTIFICATE-----/)
{
open OUT,">$crtname";
print OUT $crt;
close OUT;
}
else
{
open OUT,">$crtname.der";
print OUT $crt;
close OUT;
system "$opensslbin x509 -in $crtname.der -inform der -out $crtname";
}
}
else
{
SysLog "ZERO Length certificate received.\n";
}
}
else
{
print "Error: $! Konnte $csrname nicht laden\n";
}
if(-s $crtname)
{
SysLog "Opening $crtname\n";
my $date=X509extractExpiryDate($crtname);
my $serial=X509extractSerialNumber($crtname);
setUsersLanguage($row{memid});
my %user=getUserData($row{memid});
foreach (sort keys %user)
{
SysLog " $_ -> $user{$_}\n" if($debug);
}
SysLog("update `$table` set `crt_name`='$crtname', modified=now(), serial='$serial', `expire`='$date' where `id`='".$row{'id'}."'\n");
$dbh->do("update `$table` set `crt_name`='$crtname', modified=now(), serial='$serial', `expire`='$date' where `id`='".$row{'id'}."'");
my $body = _("Hi")." $user{fname},\n\n";
$body .= sprintf(_("You can collect your certificate for %s by going to the following location:")."\n\n", $row{'email'}.$row{'CN'});
$body .= "https://www.cacert.org/account.php?id=".($server?"15":"6")."&cert=$row{id}\n\n";
$body .= _("If you have not imported CAcert's root certificate, please go to:")."\n";
$body .= "https://www.cacert.org/index.php?id=3\n";
$body .= "Root cert fingerprint = A6:1B:37:5E:39:0D:9C:36:54:EE:BD:20:31:46:1F:6B\n";
$body .= "Root cert fingerprint = 135C EC36 F49C B8E9 3B1A B270 CD80 8846 76CE 8F33\n\n";
$body .= _("Best regards")."\n"._("CAcert.org Support!")."\n\n";
sendmail($user{email}, "[CAcert.org] "._("Your certificate"), $body, "support\@cacert.org", "", "", "CAcert Support");
}
else
{
SysLog("Could not find the issued certificate. $crtname ".$row{"id"}."\n");
$dbh->do("update `$table` set warning=warning+1 where `id`='".$row{'id'}."'");
}
}
}
sub DoCRL($$)
{
my $crl=$_[0];
my $crlname=$_[1];
if(length($crl))
{
if($crl=~m/^-----BEGIN X509 CRL-----/)
{
open OUT,">$crlname.pem";
print OUT $crl;
close OUT;
system "$opensslbin crl -in $crlname.pem -outform der -out $crlname.tmp";
}
else
{
open OUT,">$crlname.patch";
print OUT $crl;
close OUT;
my $res=system "xdelta patch $crlname.patch $crlname $crlname.tmp";
#print "xdelta res: $res\n";
if($res==512)
{
open OUT,">$crlname.tmp";
print OUT $crl;
close OUT;
}
}
my $res=`openssl crl -verify -in $crlname.tmp -inform der -noout 2>&1`;
SysLog "verify: $res\n";
if($res=~m/verify OK/)
{
rename "$crlname.tmp","$crlname";
}
else
{
SysLog "VERIFICATION OF NEW CRL DID NOT SUCCEED! PLEASE REPAIR!\n";
SysLog "Broken CRL is available as $crlname.tmp\n";
#Override for testing:
rename "$crlname.tmp","$crlname";
}
return 1;
}
else
{
SysLog("RECEIVED AN EMPTY CRL!\n");
}
return 0;
}
sub RefreshCRLs()
{
foreach my $rootcert (keys %revokefile)
{
if(!CRLuptodate($revokefile{$rootcert}))
{
SysLog "Update of the CRL $rootcert is necessary!\n";
my $crlname = $revokefile{$rootcert};
my $revokehash=sha1_hex(readfile($crlname));
my $crl=Request($ver,2,1,$rootcert-1,0,0,365,0,"","",$revokehash);
#print "Received ".length($crl)." ".hexdump($crl)."\n";
DoCRL($crl,$crlname);
}
}
}
sub RevokeCerts($$)
{
my $org=$_[0]?"org":"";
my $server=$_[1];
my $table=$org.($server?"domaincerts":"emailcerts");
my $sth = $dbh->prepare("select * from $table where revoked='1970-01-01 10:00:01'"); # WHICH TIMEZONE?
$sth->execute();
#$rowdata;
while ( my $rowdata = $sth->fetchrow_hashref() )
{
my %row=%{$rowdata};
my $prefix=$org.($server?"server":"client");
my $short=int($row{'id'}/1000);
my $csrname = "../csr/$prefix-".$row{'id'}.".csr";
$csrname = "../csr/$prefix/$short/$prefix-".$row{'id'}.".csr" if($newlayout);
SysLog("New Layout: "."../csr/$prefix/$short/$prefix-".$row{'id'}.".csr\n");
#my $crtname = "../crt/$prefix-".$row{'id'}.".crt";
my $crtname=$csrname; $crtname=~s/^\.\.\/csr/..\/crt/; $crtname=~s/\.csr$/.crt/;
SysLog("New Layout: $crtname\n");
#my $csrname = "../csr/".$org.($server?"server-":"client-").$row{'id'}.".csr";
#my $crtname = "../crt/".$org.($server?"server-":"client-").$row{'id'}.".crt";
my $crlname = $revokefile{$row{'rootcert'}};
my $crt="";
if(open(IN,"<$crtname"))
{
undef $/;
my $content=<IN>;
close IN;
my $revokehash=sha1_hex(readfile($crlname));
my $crl=Request($ver,2,1,$row{'rootcert'}-1,0,0,365,0,$content,"",$revokehash);
my $result=DoCRL($crl,$crlname);
if($result)
{
$dbh->do("update `$table` set `revoked`=now() where `id`='".$row{'id'}."'");
if($org eq "")
{
if($server)
{
my @a=$dbh->selectrow_array("select `memid` from `domains` where `id`='".int($row{domid})."'");
sendRevokeMail($a[0], $row{'CN'}, $row{'serial'});
}
else
{
sendRevokeMail($row{memid}, $row{'CN'}, $row{'serial'});
}
}
else
{
my $orgsth = $dbh->prepare("select `memid` from `org` where `orgid`='".int($row{orgid})."'");
$orgsth->execute();
while ( my ($memid) = $orgsth->fetchrow_array() )
{
sendRevokeMail($memid, $row{'CN'}, $row{'serial'});
}
}
}
}
else
{
SysLog("Error in RevokeCerts: $crtname $!\n") if($debug);
}
}
}
sub sendRevokeMail()
{
my $memid = $_[0];
my $certName = $_[1];
my $serial = $_[2];
setUsersLanguage($memid);
my %user=getUserData($memid);
my $body = _("Hi")." $user{fname},\n\n";
$body .= sprintf(_("Your certificate for '%s' with the serial number '%s' has been revoked, as per request.")."\n\n", $certName, $serial);
$body .= _("Best regards")."\n"._("CAcert.org Support!")."\n\n";
SysLog("Sending email to ".$user{"email"}."\n") if($debug);
sendmail($user{email}, "[CAcert.org] "._("Your certificate"), $body, "support\@cacert.org", "", "", "CAcert Support");
}
sub HandleGPG()
{
my $sth = $dbh->prepare("select * from gpg where crt='' and csr!='' ");
$sth->execute();
my $rowdata;
while ( $rowdata = $sth->fetchrow_hashref() )
{
my %row=%{$rowdata};
my $prefix="gpg";
my $short=int($row{'id'}/1000);
my $csrname = "../csr/$prefix-".$row{'id'}.".csr";
$csrname = "../csr/$prefix/$short/$prefix-".$row{'id'}.".csr" if($newlayout);
SysLog("New Layout: "."../csr/$prefix/$short/$prefix-".$row{'id'}.".csr\n");
#my $crtname = "../crt/$prefix-".$row{'id'}.".crt";
my $crtname=$csrname; $crtname=~s/^\.\.\/csr/..\/crt/; $crtname=~s/\.csr$/.crt/;
SysLog("New Layout: $crtname\n");
#my $csrname = "../csr/gpg-".$row{'id'}.".csr";
#my $crtname = "../crt/gpg-".$row{'id'}.".crt";
SysLog "Opening $csrname\n";
my $crt="";
if(-s $csrname && open(IN,"<$csrname"))
{
undef $/;
my $content=<IN>;
close IN;
SysLog "Read $csrname.\n";
$crt=Request($ver,1,2,0,0,2,366,0,$content,"","");
if(length($crt))
{
open OUT,">$crtname";
print OUT $crt;
close OUT;
}
}
else
{
#Error("Error: $!\n");
next;
}
if(-s $crtname)
{
SysLog "Opening $crtname\n";
setUsersLanguage($row{memid});
my $date=OpenPGPextractExpiryDate($crtname);
my %user=getUserData($row{memid});
$dbh->do("update `gpg` set `crt`='$crtname', issued=now(), `expire`='$date' where `id`='".$row{'id'}."'");
my $body = _("Hi")." $user{fname},\n\n";
$body .= sprintf(_("Your CAcert signed key for %s is available online at:")."\n\n", $row{'email'});
$body .= "https://www.cacert.org/gpg.php?id=3&cert=$row{id}\n\n";
$body .= _("To help improve the trust of CAcert in general, it's appreciated if you could also sign our key and upload it to a key server. Below is a copy of our primary key details:")."\n\n";
$body .= "pub 1024D/65D0FD58 2003-07-11 CA Cert Signing Authority (Root CA) <gpg\@cacert.org>\n";
$body .= "Key fingerprint = A31D 4F81 EF4E BD07 B456 FA04 D2BB 0D01 65D0 FD58\n\n";
$body .= _("Best regards")."\n"._("CAcert.org Support!")."\n\n";
sendmail($user{email}, "[CAcert.org] Your GPG/PGP Key", $body, "support\@cacert.org", "", "", "CAcert Support");
} else {
SysLog("Could not find the issued gpg key. ".$row{"id"}."\n");
#$dbh->do("delete from `gpg` where `id`='".$row{'id'}."'");
}
}
}
# Main program loop
my $crlcheck=0;
while ( -f "./client.pl-active" )
{
SysLog("Handling GPG database ...\n");
HandleGPG();
SysLog("Issueing certs ...\n");
HandleCerts(0,0); #personal client certs
HandleCerts(0,1); #personal server certs
HandleCerts(1,0); #org client certs
HandleCerts(1,1); #org server certs
SysLog("Revoking certs ...\n");
RevokeCerts(0,0); #personal client certs
RevokeCerts(0,1); #personal server certs
RevokeCerts(1,0); #org client certs
RevokeCerts(1,1); #org server certs
$crlcheck++;
RefreshCRLs() if(($crlcheck%100) == 1);
#print "Sign Request X.509, Root0\n";
#my $reqcontent="";
#Request($ver,1,1,0,5,2,365,0,$reqcontent,"","/CN=supertest.cacert.at");
SysLog("NUL Request:\n");
my $timestamp=strftime("%m%d%H%M%Y.%S",gmtime);
Request($ver,0,0,0,0,0,0,0,$timestamp,"","");
sleep(1);
usleep(1700000);
}
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