1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
<?php
/**
* SQL Password Driver
*
* Driver for passwords stored in SQL database
*
* @version 1.3
* @author Aleksander 'A.L.E.C' Machniak <alec@alec.pl>
*
*/
function password_save($curpass, $passwd)
{
$rcmail = rcmail::get_instance();
if (!($sql = $rcmail->config->get('password_query')))
$sql = 'SELECT update_passwd(%c, %u)';
if ($dsn = $rcmail->config->get('password_db_dsn')) {
// #1486067: enable new_link option
if (is_array($dsn) && empty($dsn['new_link']))
$dsn['new_link'] = true;
else if (!is_array($dsn) && !preg_match('/\?new_link=true/', $dsn))
$dsn .= '?new_link=true';
$db = new rcube_mdb2($dsn, '', FALSE);
$db->set_debug((bool)$rcmail->config->get('sql_debug'));
$db->db_connect('w');
} else {
$db = $rcmail->get_dbh();
}
if ($err = $db->is_error())
return PASSWORD_ERROR;
// crypted password
if (strpos($sql, '%c') !== FALSE) {
$salt = '';
if (CRYPT_MD5) {
$len = rand(3, CRYPT_SALT_LENGTH);
} else if (CRYPT_STD_DES) {
$len = 2;
} else {
return PASSWORD_CRYPT_ERROR;
}
for ($i = 0; $i < $len ; $i++) {
$salt .= chr(rand(ord('.'), ord('z')));
}
$sql = str_replace('%c', $db->quote(crypt($passwd, CRYPT_MD5 ? '$1$'.$salt.'$' : $salt)), $sql);
}
// dovecotpw
if (strpos($sql, '%D') !== FALSE) {
if (!($dovecotpw = $rcmail->config->get('password_dovecotpw')))
$dovecotpw = 'dovecotpw';
if (!($method = $rcmail->config->get('password_dovecotpw_method')))
$method = 'CRAM-MD5';
// use common temp dir
$tmp_dir = $rcmail->config->get('temp_dir');
$tmpfile = tempnam($tmp_dir, 'roundcube-');
$pipe = popen("'$dovecotpw' -s '$method' > '$tmpfile'", "w");
if (!$pipe) {
unlink($tmpfile);
return PASSWORD_CRYPT_ERROR;
}
else {
fwrite($pipe, $passwd . "\n", 1+strlen($passwd)); usleep(1000);
fwrite($pipe, $passwd . "\n", 1+strlen($passwd));
pclose($pipe);
$newpass = trim(file_get_contents($tmpfile), "\n");
if (!preg_match('/^\{' . $method . '\}/', $newpass)) {
return PASSWORD_CRYPT_ERROR;
}
if (!$rcmail->config->get('password_dovecotpw_with_method'))
$newpass = trim(str_replace('{' . $method . '}', '', $newpass));
unlink($tmpfile);
}
$sql = str_replace('%D', $db->quote($newpass), $sql);
}
// hashed passwords
if (preg_match('/%[n|q]/', $sql)) {
if (!extension_loaded('hash')) {
raise_error(array(
'code' => 600,
'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Password plugin: 'hash' extension not loaded!"
), true, false);
return PASSWORD_ERROR;
}
if (!($hash_algo = strtolower($rcmail->config->get('password_hash_algorithm'))))
$hash_algo = 'sha1';
$hash_passwd = hash($hash_algo, $passwd);
$hash_curpass = hash($hash_algo, $curpass);
if ($rcmail->config->get('password_hash_base64')) {
$hash_passwd = base64_encode(pack('H*', $hash_passwd));
$hash_curpass = base64_encode(pack('H*', $hash_curpass));
}
$sql = str_replace('%n', $db->quote($hash_passwd, 'text'), $sql);
$sql = str_replace('%q', $db->quote($hash_curpass, 'text'), $sql);
}
// Handle clear text passwords securely (#1487034)
$sql_vars = array();
if (preg_match_all('/%[p|o]/', $sql, $m)) {
foreach ($m[0] as $var) {
if ($var == '%p') {
$sql = preg_replace('/%p/', '?', $sql, 1);
$sql_vars[] = (string) $passwd;
}
else { // %o
$sql = preg_replace('/%o/', '?', $sql, 1);
$sql_vars[] = (string) $curpass;
}
}
}
// at least we should always have the local part
$sql = str_replace('%l', $db->quote($rcmail->user->get_username('local'), 'text'), $sql);
$sql = str_replace('%d', $db->quote($rcmail->user->get_username('domain'), 'text'), $sql);
$sql = str_replace('%u', $db->quote($_SESSION['username'],'text'), $sql);
$sql = str_replace('%h', $db->quote($_SESSION['imap_host'],'text'), $sql);
$res = $db->query($sql, $sql_vars);
if (!$db->is_error()) {
if (strtolower(substr(trim($query),0,6))=='select') {
if ($result = $db->fetch_array($res))
return PASSWORD_SUCCESS;
} else {
// This is the good case: 1 row updated
if ($db->affected_rows($res) == 1)
return PASSWORD_SUCCESS;
// @TODO: Some queries don't affect any rows
// Should we assume a success if there was no error?
}
}
return PASSWORD_ERROR;
}
?>
|
