gPass/server/_user
Gregory Soutade 9d528aeaa0 Update server:
* Check that $db variable is OK before processing database requests
	* Don't close $db before calling lastErrorMsg()
	* Add support for user & url parameters from gPass popup
2020-02-26 16:00:24 +01:00

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<?php
/*
Copyright (C) 2013-2020 Grégory Soutadé
This file is part of gPass.
gPass 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 3 of the License, or
(at your option) any later version.
gPass 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 gPass. If not, see <http://www.gnu.org/licenses/>.
*/
include("conf.php");
function load_database()
{
global $REQUESTS_MIN_DELAY;
try {
$db = new SQLite3("./gpass.bdd", SQLITE3_OPEN_READWRITE);
}
catch(Exception $e)
{
die("<b>Unable to load database for user $user !</b><br/>");
return null;
}
list($usec, $sec) = explode(" ", microtime());
$usec = $usec + $sec*1000;
try {
$last_time = $db->querySingle("SELECT last_access_time FROM conf");
if ($last_time <= $usec &&
($usec - $last_time) < $REQUESTS_MIN_DELAY)
{
// Brute force ??
$db->close();
return null;
}
$db->query("UPDATE conf SET last_access_time=$usec");
$db->close();
$db = new SQLite3("./gpass.bdd", SQLITE3_OPEN_READONLY);
}
catch(Exception $e)
{
$db->close();
die("<b>Unable to load database for user $user !</b><br/>");
return null;
}
return $db;
}
$PROTOCOL_VERSION = 4;
$db = load_database();
echo "protocol=gpass-$PROTOCOL_VERSION\n";
if ($PBKDF2_LEVEL != 1000)
echo "pbkdf2_level=$PBKDF2_LEVEL\n";
if ($db)
{
$statement = $db->prepare("SELECT password FROM gpass WHERE login=:login");
for ($i=0; $i<$MAX_PASSWORDS_PER_REQUEST && isset($_POST["k$i"]); $i++)
{
$statement->bindValue(":login", addslashes($_POST["k$i"]));
$result = $statement->execute();
$row = $result->fetchArray(SQLITE3_ASSOC);
$result->finalize();
if (isset($row["password"]))
{
echo "matched_key=" . $i . "\n";
echo "pass=" . $row["password"] . "\n";
break;
}
}
$statement->close();
}
echo "<end>";
?>