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cacert-webdb/www/gpg.php

508 lines
12 KiB
PHTML

<? /*
LibreSSL - CAcert web application
Copyright (C) 2004-2008 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
*/ ?>
<?
require_once("../includes/loggedin.php");
$id = 0; if(array_key_exists('id',$_REQUEST)) $id=intval($_REQUEST['id']);
$oldid = $_REQUEST['oldid'] = array_key_exists('oldid',$_REQUEST) ? intval($_REQUEST['oldid']) : 0;
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if($_SESSION['profile']['points'] < 50)
{
header("location: /account.php");
exit;
}
loadem("account");
$CSR=""; if(array_key_exists('CSR',$_REQUEST)) $CSR=stripslashes($_REQUEST['CSR']);
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if($oldid == "0")
{
if(array_key_exists('process',$_REQUEST) && $_REQUEST['process'] != "" && $CSR == "")
{
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$_SESSION['_config']['errmsg'] = _("You failed to paste a valid GPG/PGP key.");
$id = $oldid;
$oldid=0;
}
}
$keyid="";
if(1)
{
if($_SESSION["profile"]["id"] != 5897)
{
showheader(_("Welcome to CAcert.org"));
echo "The OpenPGP signing system is currently shutdown due to a maintenance. We hope to get it fixed within the next few hours. We are very sorry for the inconvenience.";
exit(0);
}
}
function verifyName($name)
{
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if($name == "") return 0;
if($name == $_SESSION['profile']['fname']." ".$_SESSION['profile']['lname']) return 1;
if($name == $_SESSION['profile']['fname']." ".$_SESSION['profile']['mname']." ".$_SESSION['profile']['lname']) return 1;
if($name == $_SESSION['profile']['fname']." ".$_SESSION['profile']['lname']." ".$_SESSION['profile']['suffix']) return 1;
if($name == $_SESSION['profile']['fname']." ".$_SESSION['profile']['mname']." ".$_SESSION['profile']['lname']." ".$_SESSION['profile']['suffix']) return 1;
return 0;
}
function verifyEmail($email)
{
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if($email == "") return 0;
if(mysql_num_rows(mysql_query("select * from `email` where `memid`='".$_SESSION['profile']['id']."' and `email`='".mysql_real_escape_string($email)."' and `deleted`=0 and `hash`=''")) > 0) return 1;
return 0;
}
$ToBeDeleted=array();
$state=0;
if($oldid == "0" && $CSR != "")
{
$debugkey = $gpgkey = clean_csr($CSR);
$debugpg = $gpg = trim(`echo "$gpgkey"|gpg --with-colons --homedir /tmp 2>&1`);
$lines = "";
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$gpgarr = explode("\n", $gpg);
foreach($gpgarr as $line)
{
#echo "Line[]: $line <br/>\n";
if(substr($line, 0, 3) == "pub" || substr($line, 0, 3) == "uid")
{
if($lines != "")
$lines .= "\n";
$lines .= $line;
}
}
$gpg = $lines;
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$expires = 0;
$nerr=0; $nok=0;
$multiple = 0;
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$resulttable=_("The following UIDs were found in your key:")."<br/><table border='1'><tr><td>#</td><td>"._("Name")."</td><td>"._("Email")."</td><td>Result</td>";
$i=0;
$lastvalidemail="";
foreach(explode("\n", $gpg) as $line)
{
$bits = explode(":", $line);
$resulttable.="<tr><td>".++$i."</td>";
$name = $comment = "";
if($bits[0] == "pub" && (!$keyid || !$when))
{
$keyid = $bits[4];
$when = $bits[5];
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if($bits[6] != "")
$expires = 1;
}
$name="";
$comm="";
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$mail="";
$uidformatwrong=0;
if(sizeof($bits)<10) $uidformatwrong=1;
if(preg_match("/\@.*\@/",$bits[9]))
{
showheader(_("Welcome to CAcert.org"));
echo "<font color='#ff0000'>"._("Multiple Email Adresses per UID are not allowed.")."</font>";
unset($_REQUEST['process']);
$id = $oldid;
unset($oldid);
exit();
}
// Name (Comment) <Email>
if(preg_match("/^([^\(\)\[@<>]+) \(([^\(\)@<>]*)\) <([\w=\/%.-]*\@[\w.-]*|[\w.-]*\![\w=\/%.-]*)>/",$bits[9],$matches))
{
$name=trim(hex2bin($matches[1]));
$nocomment=0;
$comm=trim(hex2bin($matches[2]));
$mail=trim(hex2bin($matches[3]));
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}
// Name <EMail>
elseif(preg_match("/^([^\(\)\[@<>]+) <([\w=\/%.-]*\@[\w.-]*|[\w.-]*\![\w=\/%.-]*)>/",$bits[9],$matches))
{
$name=trim(hex2bin($matches[1]));
$nocomment=1;
$comm="";
$mail=trim(hex2bin($matches[2]));
}
// Unrecognized format
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else
{
$nocomment=1;
$uidformatwrong=1;
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}
$nameok=verifyName($name);
$emailok=verifyEmail($mail);
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if($comm != "")
$comment[] = $comm;
$resulttable.="<td bgcolor='#".($nameok?"c0ffc0":"ffc0c0")."'>".sanitizeHTML($name)."</td>";
$resulttable.="<td bgcolor='#".($emailok?"c0ffc0":"ffc0c0")."'>".sanitizeHTML($mail)."</td>";
$uidok=0;
if($bits[1]=="r")
{
$rmessage=_("Error: UID is revoked");
}
elseif($uidformatwrong==1)
{
$rmessage=_("The format of the UID was not recognized. Please use 'Name (comment) &lt;email@domain>' ");
}
elseif($mail=="" and $name=="")
{
$rmessage=_("Error: Both Name and Email address are empty");
}
elseif($emailok and $nameok)
{
$uidok=1;
$rmessage=_("Name and Email OK.");
}
elseif(!$emailok and !$nameok)
{
$rmessage=_("Name and Email both cannot be matched with your account.");
}
elseif($emailok and $name=="")
{
$uidok=1;
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$rmessage=_("The email is OK. The name is empty.");
}
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elseif($nameok and $mail=="")
{
$uidok=1;
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$rmessage=_("The name is OK. The email is empty.");
}
elseif(!$emailok)
{
$rmessage=_("The email address has not been registered and verified in your account. Please add the email address to your account first.");
}
elseif(!$nameok)
{
$rmessage=_("The name in the UID does not match the name in your account. Please verify the name.");
}
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else
{
$rmessage=_("Error");
}
if($uidok)
{
$nok++;
$resulttable.="<td>$rmessage</td>";
$lastvalidemail=$mail;
}
else
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{
$nerr++;
//$ToBeDeleted[]=$i;
//echo "Adding UID $i\n";
$resulttable.="<td bgcolor='#ffc0c0'>".sanitizeHTML($rmessage)."</td>";
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}
$resulttable.="</tr>\n";
if($emailok) $multiple++;
}
$resulttable.="</table>";
if($nok==0)
{
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showheader(_("Welcome to CAcert.org"));
echo $resulttable;
echo "<font color='#ff0000'>"._("No valid UIDs found on your key")."</font>";
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unset($_REQUEST['process']);
$id = $oldid;
unset($oldid);
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$do = `echo "$debugkey\n--\n$debugpg\n--" >> /www/tmp/gpg.debug`;
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exit();
}
elseif($nerr)
{
$resulttable.=_("The unverified UIDs have been removed, the verified UIDs have been signed.");
}
}
if($oldid == "0" && $CSR != "")
{
$query = "insert into `gpg` set `memid`='".intval($_SESSION['profile']['id'])."',
`email`='".mysql_real_escape_string($lastvalidemail)."',
`level`='1',
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`expires`='".mysql_real_escape_string($expires)."',
`multiple`='".mysql_real_escape_string($multiple)."',
`keyid`='".mysql_real_escape_string($keyid)."'";
mysql_query($query);
$id = mysql_insert_id();
$cwd = '/tmp/gpgspace'.$id;
mkdir($cwd,0755);
$fp = fopen("$cwd/gpg.csr", "w");
fputs($fp, clean_csr($CSR));
fclose($fp);
system("gpg --homedir $cwd --import $cwd/gpg.csr");
$debugpg = $gpg = trim(`gpg --homedir $cwd --with-colons --fixed-list-mode --list-keys $keyid 2>&1`);
$lines = "";
$gpgarr = explode("\n", $gpg);
foreach($gpgarr as $line)
{
//echo "Line[]: $line <br/>\n";
if(substr($line, 0, 4) == "uid:")
{
$name = $comment = "";
$bits = explode(":", $line);
$pos = strpos($bits[9], "(") - 1;
$nocomment = 0;
if($pos < 0)
{
$nocomment = 1;
$pos = strpos($bits[9], "<") - 1;
}
if($pos < 0)
{
$pos = strlen($bits[9]);
}
$name = trim(hex2bin(trim(substr($bits[9], 0, $pos))));
$nameok=verifyName($name);
if($nocomment == 0)
{
$pos += 2;
$pos2 = strpos($bits[9], ")");
$comm = trim(hex2bin(trim(substr($bits[9], $pos, $pos2 - $pos))));
if($comm != "")
$comment[] = $comm;
$pos = $pos2 + 3;
} else {
$pos = strpos($bits[9], "<") + 1;
}
$mail="";
if (preg_match("/<([\w.-]*\@[\w.-]*)>/", $bits[9],$match)) {
//echo "Found: ".$match[1];
$mail = trim(hex2bin($match[1]));
}
else
{
//echo "Not found!\n";
}
$emailok=verifyEmail($mail);
$uidid=$bits[7];
if($bits[1]=="r")
{
$ToBeDeleted[]=$uidid;
}
elseif($mail=="" and $name=="")
{
//echo "$uidid will be deleted\n";
$ToBeDeleted[]=$uidid;
}
elseif($emailok and $nameok)
{
}
elseif($emailok and $name=="")
{
}
elseif($nameok and $mail=="")
{
}
elseif(!$emailok and !$nameok)
{
//echo "$uidid will be deleted\n";
$ToBeDeleted[]=$uidid;
}
elseif(!$emailok)
{
//echo "$uidid will be deleted\n";
$ToBeDeleted[]=$uidid;
}
elseif(!$nameok)
{
//echo "$uidid will be deleted\n";
$ToBeDeleted[]=$uidid;
}
}
}
if(count($ToBeDeleted)>0)
{
$descriptorspec = array(
0 => array("pipe", "r"), // stdin is a pipe that the child will read from
1 => array("pipe", "w"), // stdout is a pipe that the child will write to
2 => array("pipe", "w") // stderr is a file to write to
);
$stderr = fopen('php://stderr', 'w');
//echo "Keyid: $keyid\n";
$process = proc_open("/usr/bin/gpg --homedir $cwd --no-tty --command-fd 0 --status-fd 1 --logger-fd 2 --edit-key $keyid", $descriptorspec, $pipes);
//echo "Process: $process\n";
//fputs($stderr,"Process: $process\n");
if (is_resource($process)) {
//echo("it is a resource\n");
// $pipes now looks like this:
// 0 => writeable handle connected to child stdin
// 1 => readable handle connected to child stdout
// Any error output will be appended to /tmp/error-output.txt
while (!feof($pipes[1]))
{
$buffer = fgets($pipes[1], 4096);
//echo $buffer;
if($buffer == "[GNUPG:] GET_BOOL keyedit.sign_all.okay\n")
{
fputs($pipes[0],"yes\n");
}
elseif($buffer == "[GNUPG:] GOT_IT\n")
{
}
elseif(ereg("^\[GNUPG:\] GET_BOOL keyedit\.remove\.uid\.okay\s*",$buffer))
{
fputs($pipes[0],"yes\n");
}
elseif(ereg("^\[GNUPG:\] GET_LINE keyedit\.prompt\s*",$buffer))
{
if(count($ToBeDeleted)>0)
{
$delthisuid=array_pop($ToBeDeleted);
//echo "Deleting an UID $delthisuid\n";
fputs($pipes[0],"uid ".$delthisuid."\n");
}
else
{
//echo "Saving\n";
fputs($pipes[0],$state?"save\n":"deluid\n");
$state++;
}
}
elseif($buffer == "[GNUPG:] GOOD_PASSPHRASE\n")
{
}
elseif(ereg("^\[GNUPG:\] KEYEXPIRED ",$buffer))
{
echo "Key expired!\n";
exit;
}
elseif($buffer == "")
{
//echo "Empty!\n";
}
else
{
echo "ERROR: UNKNOWN $buffer\n";
}
}
//echo "Fertig\n";
fclose($pipes[0]);
//echo stream_get_contents($pipes[1]);
fclose($pipes[1]);
// It is important that you close any pipes before calling
// proc_close in order to avoid a deadlock
$return_value = proc_close($process);
//echo "command returned $return_value\n";
}
else
{
echo "Keine ressource!\n";
}
}
$do=`gpg --homedir $cwd --batch --export-options export-minimal --export $keyid >../csr/gpg-$id.csr`;
//echo "Export: $do\n";
//$fp = fopen("../csr/gpg-$id.csr", "w");
//fputs($fp, clean_csr($CSR'));
//fclose($fp);
if(1)
{
mysql_query("update `gpg` set `csr`='../csr/gpg-$id.csr' where `id`='$id'");
waitForResult('gpg', $id);
}
showheader(_("Welcome to CAcert.org"));
echo $resulttable;
$query = "select * from `gpg` where `id`='$id' and `crt`!=''";
$res = mysql_query($query);
if(mysql_num_rows($res) <= 0)
{
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echo _("Your certificate request has failed to be processed correctly, please try submitting it again.")."<br>\n";
echo _("If this is a re-occuring problem, please send a copy of the key you are trying to signed to support@cacert.org. Thank you.");
} else {
echo "<pre>";
readfile("../crt/gpg-$id.crt");
echo "</pre>";
}
showfooter();
exit;
}
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$id = intval($id);
showheader(_("Welcome to CAcert.org"));
includeit($id, "gpg");
showfooter();
?>