Copying plugins into 0.6 release branch

1 files changed, 152 insertions, 0 deletions

diff --git a/plugins/password/drivers/sql.php b/plugins/password/drivers/sql.php
new file mode 100644
index 000000000..9ea33df2f
--- /dev/null
+++ b/plugins/password/drivers/sql.php
@@ -0,0 +1,152 @@
+<?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;
+}
+
+?>