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pull/142/head
David Goodwin 7 years ago
parent 6446f3f6cc
commit b79ad2ae28
3 changed files with 142 additions and 152 deletions
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270
functions.inc.php
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@ -892,152 +892,151 @@ function validate_password($password) {
}
function _pacrypt_md5crypt($pw, $pw_db) {
$split_salt = preg_split('/\$/', $pw_db);
if (isset($split_salt[2])) {
$salt = $split_salt[2];
return md5crypt($pw, $salt);
}
$split_salt = preg_split('/\$/', $pw_db);
if (isset($split_salt[2])) {
$salt = $split_salt[2];
return md5crypt($pw, $salt);
}
return md5crypt($pw);
return md5crypt($pw);
}
function _pacrypt_crypt($pw, $pw_db) {
if ($pw_db) {
return crypt($pw, $pw_db);
}
return crypt($pw);
if ($pw_db) {
return crypt($pw, $pw_db);
}
return crypt($pw);
}
function _pacrypt_mysql_encrypt($pw, $pw_db) {
// See https://sourceforge.net/tracker/?func=detail&atid=937966&aid=1793352&group_id=191583
// this is apparently useful for pam_mysql etc.
$pw = escape_string($pw);
if ($pw_db!="") {
$salt=escape_string(substr($pw_db, 0, 2));
$res=db_query("SELECT ENCRYPT('".$pw."','".$salt."');");
} else {
$res=db_query("SELECT ENCRYPT('".$pw."');");
}
$l = db_row($res["result"]);
$password = $l[0];
return $password;
$pw = escape_string($pw);
if ($pw_db!="") {
$salt=escape_string(substr($pw_db, 0, 2));
$res=db_query("SELECT ENCRYPT('".$pw."','".$salt."');");
} else {
$res=db_query("SELECT ENCRYPT('".$pw."');");
}
$l = db_row($res["result"]);
$password = $l[0];
return $password;
}
function _pacrypt_authlib($pw, $pw_db) {
global $CONF;
$flavor = $CONF['authlib_default_flavor'];
$salt = substr(create_salt(), 0, 2); # courier-authlib supports only two-character salts
if (preg_match('/^{.*}/', $pw_db)) {
// we have a flavor in the db -> use it instead of default flavor
$result = preg_split('/[{}]/', $pw_db, 3); # split at { and/or }
$flavor = $result[1];
$salt = substr($result[2], 0, 2);
}
if (stripos($flavor, 'md5raw') === 0) {
$password = '{' . $flavor . '}' . md5($pw);
} elseif (stripos($flavor, 'md5') === 0) {
$password = '{' . $flavor . '}' . base64_encode(md5($pw, true));
} elseif (stripos($flavor, 'crypt') === 0) {
$password = '{' . $flavor . '}' . crypt($pw, $salt);
} elseif (stripos($flavor, 'SHA') === 0) {
$password = '{' . $flavor . '}' . base64_encode(sha1($pw, true));
} else {
die("authlib_default_flavor '" . $flavor . "' unknown. Valid flavors are 'md5raw', 'md5', 'SHA' and 'crypt'");
}
return $password;
$salt = substr(create_salt(), 0, 2); # courier-authlib supports only two-character salts
if (preg_match('/^{.*}/', $pw_db)) {
// we have a flavor in the db -> use it instead of default flavor
$result = preg_split('/[{}]/', $pw_db, 3); # split at { and/or }
$flavor = $result[1];
$salt = substr($result[2], 0, 2);
}
if (stripos($flavor, 'md5raw') === 0) {
$password = '{' . $flavor . '}' . md5($pw);
} elseif (stripos($flavor, 'md5') === 0) {
$password = '{' . $flavor . '}' . base64_encode(md5($pw, true));
} elseif (stripos($flavor, 'crypt') === 0) {
$password = '{' . $flavor . '}' . crypt($pw, $salt);
} elseif (stripos($flavor, 'SHA') === 0) {
$password = '{' . $flavor . '}' . base64_encode(sha1($pw, true));
} else {
die("authlib_default_flavor '" . $flavor . "' unknown. Valid flavors are 'md5raw', 'md5', 'SHA' and 'crypt'");
}
return $password;
}
function _pacrypt_dovecot($pw, $pw_db) {
global $CONF;
$split_method = preg_split('/:/', $CONF['encrypt']);
$method = strtoupper($split_method[1]);
# If $pw_db starts with {method}, change $method accordingly
if (!empty($pw_db) && preg_match('/^\{([A-Z0-9.-]+)\}.+/', $pw_db, $method_matches)) {
$method = $method_matches[1];
}
if (! preg_match("/^[A-Z0-9.-]+$/", $method)) {
die("invalid dovecot encryption method");
}
# TODO: check against a fixed list?
# if (strtolower($method) == 'md5-crypt') die("\$CONF['encrypt'] = 'dovecot:md5-crypt' will not work because dovecotpw generates a random salt each time. Please use \$CONF['encrypt'] = 'md5crypt' instead.");
# $crypt_method = preg_match ("/.*-CRYPT$/", $method);
# digest-md5 and SCRAM-SHA-1 hashes include the username - until someone implements it, let's declare it as unsupported
if (strtolower($method) == 'digest-md5') {
die("Sorry, \$CONF['encrypt'] = 'dovecot:digest-md5' is not supported by PostfixAdmin.");
}
if (strtoupper($method) == 'SCRAM-SHA-1') {
die("Sorry, \$CONF['encrypt'] = 'dovecot:scram-sha-1' is not supported by PostfixAdmin.");
}
# TODO: add -u option for those hashes, or for everything that is salted (-u was available before dovecot 2.1 -> no problem with backward compability)
$dovecotpw = "doveadm pw";
if (!empty($CONF['dovecotpw'])) {
$dovecotpw = $CONF['dovecotpw'];
}
# Use proc_open call to avoid safe_mode problems and to prevent showing plain password in process table
$spec = array(
0 => array("pipe", "r"), // stdin
1 => array("pipe", "w"), // stdout
2 => array("pipe", "w"), // stderr
);
$nonsaltedtypes = "SHA|SHA1|SHA256|SHA512|CLEAR|CLEARTEXT|PLAIN|PLAIN-TRUNC|CRAM-MD5|HMAC-MD5|PLAIN-MD4|PLAIN-MD5|LDAP-MD5|LANMAN|NTLM|RPA";
$salted = ! preg_match("/^($nonsaltedtypes)(\.B64|\.BASE64|\.HEX)?$/", strtoupper($method));
$dovepasstest = '';
if ($salted && (!empty($pw_db))) {
# only use -t for salted passwords to be backward compatible with dovecot < 2.1
$dovepasstest = " -t " . escapeshellarg($pw_db);
}
$pipe = proc_open("$dovecotpw '-s' $method$dovepasstest", $spec, $pipes);
if (!$pipe) {
die("can't proc_open $dovecotpw");
}
// use dovecot's stdin, it uses getpass() twice (except when using -t)
// Write pass in pipe stdin
if (empty($dovepasstest)) {
fwrite($pipes[0], $pw . "\n", 1+strlen($pw));
usleep(1000);
}
fwrite($pipes[0], $pw . "\n", 1+strlen($pw));
fclose($pipes[0]);
// Read hash from pipe stdout
$password = fread($pipes[1], "200");
if (empty($dovepasstest)) {
if (!preg_match('/^\{' . $method . '\}/', $password)) {
$stderr_output = stream_get_contents($pipes[2]);
error_log('dovecotpw password encryption failed.');
error_log('STDERR output: ' . $stderr_output);
die("can't encrypt password with dovecotpw, see error log for details");
}
} else {
if (!preg_match('(verified)', $password)) {
$password="Thepasswordcannotbeverified";
} else {
$password = rtrim(str_replace('(verified)', '', $password));
}
}
fclose($pipes[1]);
fclose($pipes[2]);
proc_close($pipe);
if ((!empty($pw_db)) && (substr($pw_db, 0, 1) != '{')) {
# for backward compability with "old" dovecot passwords that don't have the {method} prefix
$password = str_replace('{' . $method . '}', '', $password);
}
return rtrim($password);
$split_method = preg_split('/:/', $CONF['encrypt']);
$method = strtoupper($split_method[1]);
# If $pw_db starts with {method}, change $method accordingly
if (!empty($pw_db) && preg_match('/^\{([A-Z0-9.-]+)\}.+/', $pw_db, $method_matches)) {
$method = $method_matches[1];
}
if (! preg_match("/^[A-Z0-9.-]+$/", $method)) {
die("invalid dovecot encryption method");
}
# TODO: check against a fixed list?
# if (strtolower($method) == 'md5-crypt') die("\$CONF['encrypt'] = 'dovecot:md5-crypt' will not work because dovecotpw generates a random salt each time. Please use \$CONF['encrypt'] = 'md5crypt' instead.");
# $crypt_method = preg_match ("/.*-CRYPT$/", $method);
# digest-md5 and SCRAM-SHA-1 hashes include the username - until someone implements it, let's declare it as unsupported
if (strtolower($method) == 'digest-md5') {
die("Sorry, \$CONF['encrypt'] = 'dovecot:digest-md5' is not supported by PostfixAdmin.");
}
if (strtoupper($method) == 'SCRAM-SHA-1') {
die("Sorry, \$CONF['encrypt'] = 'dovecot:scram-sha-1' is not supported by PostfixAdmin.");
}
# TODO: add -u option for those hashes, or for everything that is salted (-u was available before dovecot 2.1 -> no problem with backward compability)
$dovecotpw = "doveadm pw";
if (!empty($CONF['dovecotpw'])) {
$dovecotpw = $CONF['dovecotpw'];
}
# Use proc_open call to avoid safe_mode problems and to prevent showing plain password in process table
$spec = array(
0 => array("pipe", "r"), // stdin
1 => array("pipe", "w"), // stdout
2 => array("pipe", "w"), // stderr
);
$nonsaltedtypes = "SHA|SHA1|SHA256|SHA512|CLEAR|CLEARTEXT|PLAIN|PLAIN-TRUNC|CRAM-MD5|HMAC-MD5|PLAIN-MD4|PLAIN-MD5|LDAP-MD5|LANMAN|NTLM|RPA";
$salted = ! preg_match("/^($nonsaltedtypes)(\.B64|\.BASE64|\.HEX)?$/", strtoupper($method));
$dovepasstest = '';
if ($salted && (!empty($pw_db))) {
# only use -t for salted passwords to be backward compatible with dovecot < 2.1
$dovepasstest = " -t " . escapeshellarg($pw_db);
}
$pipe = proc_open("$dovecotpw '-s' $method$dovepasstest", $spec, $pipes);
if (!$pipe) {
die("can't proc_open $dovecotpw");
}
// use dovecot's stdin, it uses getpass() twice (except when using -t)
// Write pass in pipe stdin
if (empty($dovepasstest)) {
fwrite($pipes[0], $pw . "\n", 1+strlen($pw));
usleep(1000);
}
fwrite($pipes[0], $pw . "\n", 1+strlen($pw));
fclose($pipes[0]);
// Read hash from pipe stdout
$password = fread($pipes[1], "200");
if (empty($dovepasstest)) {
if (!preg_match('/^\{' . $method . '\}/', $password)) {
$stderr_output = stream_get_contents($pipes[2]);
error_log('dovecotpw password encryption failed.');
error_log('STDERR output: ' . $stderr_output);
die("can't encrypt password with dovecotpw, see error log for details");
}
} else {
if (!preg_match('(verified)', $password)) {
$password="Thepasswordcannotbeverified";
} else {
$password = rtrim(str_replace('(verified)', '', $password));
}
}
fclose($pipes[1]);
fclose($pipes[2]);
proc_close($pipe);
if ((!empty($pw_db)) && (substr($pw_db, 0, 1) != '{')) {
# for backward compability with "old" dovecot passwords that don't have the {method} prefix
$password = str_replace('{' . $method . '}', '', $password);
}
return rtrim($password);
}
@ -1059,24 +1058,23 @@ function pacrypt($pw, $pw_db="") {
switch ($CONF['encrypt']) {
case 'md5crypt':
return _pacrypt_md5crypt($pw, $pw_db);
case 'md5':
case 'md5':
return md5($pw);
case 'system' :
case 'system':
return _pacrypt_crypt($pw, $pw_db);
case 'cleartext' :
case 'cleartext':
return $pw;
case 'mysql_encrypt' :
case 'mysql_encrypt':
return _pacrypt_mysql_encrypt($pw, $pw_db);
case 'authlib':
return _pacrypt_authlib($pw, $pw_db);
case 'authlib':
return _pacrypt_authlib($pw, $pw_db);
}
if (preg_match("/^dovecot:/", $CONF['encrypt'])) {
return _pacrypt_dovecot($pw, $pw_db);
}
return _pacrypt_dovecot($pw, $pw_db);
}
die('unknown/invalid $CONF["encrypt"] setting: ' . $CONF['encrypt']);
}
//

22
tests/PacryptTest.php
Unescape Escape View File

@ -3,7 +3,6 @@
require_once('common.php');
class PaCryptTest extends PHPUnit_Framework_TestCase {
public function testMd5Crypt() {
$hash = _pacrypt_md5crypt('test', '');
@ -23,11 +22,10 @@ class PaCryptTest extends PHPUnit_Framework_TestCase {
$this->assertNotEquals('test', $hash);
$this->assertEquals($hash, _pacrypt_crypt('test', $hash));
}
public function testMySQLEncrypt() {
if(!db_mysql()) {
if (!db_mysql()) {
$this->markTestSkipped('Not using MySQL');
}
@ -48,26 +46,25 @@ class PaCryptTest extends PHPUnit_Framework_TestCase {
public function testAuthlib() {
// too many options!
foreach(
['md5raw' => '098f6bcd4621d373cade4e832627b4f6',
'md5' => 'CY9rzUYh03PK3k6DJie09g==',
// crypt requires salt ...
// too many options!
foreach (
['md5raw' => '098f6bcd4621d373cade4e832627b4f6',
'md5' => 'CY9rzUYh03PK3k6DJie09g==',
// crypt requires salt ...
'SHA' => 'qUqP5cyxm6YcTAhz05Hph5gvu9M='] as $flavour => $hash) {
$CONF['authlib_default_flavour'] = $flavour;
$stored = "{" . $flavour . "}$hash";
$hash = _pacrypt_authlib('test', $stored);
$this->assertEquals($hash, $stored, "Hash: $hash vs Stored: $stored" );
$this->assertEquals($hash, $stored, "Hash: $hash vs Stored: $stored");
//var_dump("Hash: $hash from $flavour");
}
}
public function testPacryptDovecot() {
global $CONF;
if(!file_exists('/usr/bin/doveadm')) {
if (!file_exists('/usr/bin/doveadm')) {
$this->markTestSkipped("No /usr/bin/doveadm");
}
@ -79,10 +76,7 @@ class PaCryptTest extends PHPUnit_Framework_TestCase {
$this->assertEquals($expected_hash, _pacrypt_dovecot('test', ''));
$this->assertEquals($expected_hash, _pacrypt_dovecot('test', $expected_hash));
}
}
/* vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */

2
tests/RemoteUserTest.php
Unescape Escape View File

@ -8,8 +8,6 @@
require_once('RemoteTest.php');
class RemoteUserTest extends RemoteTest {
public function testChangePassword() {
try {
$this->assertTrue($this->user->login($this->username, $this->password));

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