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Code Issues Releases Activity

[Web] Verify additional password hashes (only SHA512-CRYPT is supported today)

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This commit is contained in:
André 2018-07-12 00:24:23 +02:00
parent 2aef18d130
commit 2f270f3b9b
2 changed files with 32 additions and 22 deletions
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4
data/web/inc/functions.domain_admin.inc.php
View File

@ -318,7 +318,7 @@ function domain_admin($_action, $_data = null) {
WHERE `username` = :user");
$stmt->execute(array(':user' => $username));
$row = $stmt->fetch(PDO::FETCH_ASSOC);
if (!verify_ssha256($row['password'], $password_old)) {
if (!verify_hash($row['password'], $password_old)) {
$_SESSION['return'] = array(
'type' => 'danger',
'msg' => sprintf($lang['danger']['access_denied'])
@ -504,4 +504,4 @@ function domain_admin($_action, $_data = null) {
return $domainadmindata;
break;
}
}
}

50
data/web/inc/functions.inc.php
View File

@ -128,22 +128,32 @@ function generate_tlsa_digest($hostname, $port, $starttls = null) {
return 'Error: Cannot read peer certificate';
}
}
function verify_ssha256($hash, $password) {
// Remove tag if any
//function verify_hash($hash, $password) {
function verify_hash($hash, $password) {
// Remove tag if any
$hash = preg_replace('/^{SSHA256}/i', '', $hash);
// Decode hash
$dhash = base64_decode($hash);
// Get first 32 bytes of binary which equals a SHA256 hash
$ohash = substr($dhash, 0, 32);
// Remove SHA256 hash from decoded hash to get original salt string
$osalt = str_replace($ohash, '', $dhash);
// Check single salted SHA256 hash against extracted hash
if (hash('sha256', $password . $osalt, true) == $ohash) {
return true;
}
else {
return false;
}
// Decode hash
$dhash = base64_decode($hash);
// Get first 32 bytes of binary which equals a SHA256 hash
$ohash = substr($dhash, 0, 32);
// Remove SHA256 hash from decoded hash to get original salt string
$osalt = str_replace($ohash, '', $dhash);
// Check single salted SHA256 hash against extracted hash
if (hash_equals(hash('sha256', $password . $osalt, true), $ohash)) {
return true;
}
else {
// Remove tag if any
$hash = preg_replace('/^{SHA512-CRYPT}/i', '', $hash);
// Decode hash
preg_match('/\\$6\\$(.*)\\$(.*)/i', $hash, $hash_array);
$osalt = $hash_array[1];
$ohash = $hash_array[2];
if (hash_equals(crypt($password, '$6$' . $osalt . '$'), $hash)) {
return true;
}
}
return false;
}
function check_login($user, $pass) {
global $pdo;
@ -158,7 +168,7 @@ function check_login($user, $pass) {
$stmt->execute(array(':user' => $user));
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
foreach ($rows as $row) {
if (verify_ssha256($row['password'], $pass)) {
if (verify_hash($row['password'], $pass)) {
if (get_tfa($user)['name'] != "none") {
$_SESSION['pending_mailcow_cc_username'] = $user;
$_SESSION['pending_mailcow_cc_role'] = "admin";
@ -179,7 +189,7 @@ function check_login($user, $pass) {
$stmt->execute(array(':user' => $user));
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
foreach ($rows as $row) {
if (verify_ssha256($row['password'], $pass) !== false) {
if (verify_hash($row['password'], $pass) !== false) {
if (get_tfa($user)['name'] != "none") {
$_SESSION['pending_mailcow_cc_username'] = $user;
$_SESSION['pending_mailcow_cc_role'] = "domainadmin";
@ -202,7 +212,7 @@ function check_login($user, $pass) {
$stmt->execute(array(':user' => $user));
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
foreach ($rows as $row) {
if (verify_ssha256($row['password'], $pass) !== false) {
if (verify_hash($row['password'], $pass) !== false) {
unset($_SESSION['ldelay']);
return "user";
}
@ -388,7 +398,7 @@ function edit_user_account($postarray) {
AND `username` = :user");
$stmt->execute(array(':user' => $username));
$row = $stmt->fetch(PDO::FETCH_ASSOC);
if (!verify_ssha256($row['password'], $password_old)) {
if (!verify_hash($row['password'], $password_old)) {
$_SESSION['return'] = array(
'type' => 'danger',
'msg' => sprintf($lang['danger']['access_denied'])
@ -538,7 +548,7 @@ function set_tfa($postarray) {
WHERE `username` = :user");
$stmt->execute(array(':user' => $username));
$row = $stmt->fetch(PDO::FETCH_ASSOC);
if (!verify_ssha256($row['password'], $postarray["confirm_password"])) {
if (!verify_hash($row['password'], $postarray["confirm_password"])) {
$_SESSION['return'] = array(
'type' => 'danger',
'msg' => sprintf($lang['danger']['access_denied'])