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-rw-r--r--plugins/password/drivers/sql.php175
1 files changed, 175 insertions, 0 deletions
diff --git a/plugins/password/drivers/sql.php b/plugins/password/drivers/sql.php
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index 000000000..e9207300e
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+++ b/plugins/password/drivers/sql.php
@@ -0,0 +1,175 @@
+<?php
+
+/**
+ * SQL Password Driver
+ *
+ * Driver for passwords stored in SQL database
+ *
+ * @version 2.0
+ * @author Aleksander 'A.L.E.C' Machniak <alec@alec.pl>
+ *
+ */
+
+class rcube_sql_password
+{
+ function 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) {
+ // Always use eight salt characters for MD5 (#1488136)
+ $len = 8;
+ } else if (CRYPT_STD_DES) {
+ $len = 2;
+ } else {
+ return PASSWORD_CRYPT_ERROR;
+ }
+
+ //Restrict the character set used as salt (#1488136)
+ $seedchars = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
+ for ($i = 0; $i < $len ; $i++) {
+ $salt .= $seedchars[rand(0, 63)];
+ }
+
+ $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;
+ }
+ }
+ }
+
+ $local_part = $rcmail->user->get_username('local');
+ $domain_part = $rcmail->user->get_username('domain');
+ $username = $_SESSION['username'];
+ $host = $_SESSION['imap_host'];
+
+ // convert domains to/from punnycode
+ if ($rcmail->config->get('password_idn_ascii')) {
+ $domain_part = rcube_idn_to_ascii($domain_part);
+ $username = rcube_idn_to_ascii($username);
+ $host = rcube_idn_to_ascii($host);
+ }
+ else {
+ $domain_part = rcube_idn_to_utf8($domain_part);
+ $username = rcube_idn_to_utf8($username);
+ $host = rcube_idn_to_utf8($host);
+ }
+
+ // at least we should always have the local part
+ $sql = str_replace('%l', $db->quote($local_part, 'text'), $sql);
+ $sql = str_replace('%d', $db->quote($domain_part, 'text'), $sql);
+ $sql = str_replace('%u', $db->quote($username, 'text'), $sql);
+ $sql = str_replace('%h', $db->quote($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;
+ }
+}