Merge branch 'PHP-5.5'

* PHP-5.5:
  Implements feature Bug #63472 ability to set SO_BINDTODEVICE on socket.

Author: smalyshev

ext/sockets/sockets.c

@@ -679,6 +679,9 @@ static PHP_MINIT_FUNCTION(sockets)
 	REGISTER_LONG_CONSTANT("SO_FAMILY",		SO_FAMILY,		CONST_CS | CONST_PERSISTENT);
 #endif
 	REGISTER_LONG_CONSTANT("SO_ERROR",		SO_ERROR,		CONST_CS | CONST_PERSISTENT);
+#ifdef SO_BINDTODEVICE
+	REGISTER_LONG_CONSTANT("SO_BINDTODEVICE",       SO_BINDTODEVICE,        CONST_CS | CONST_PERSISTENT);
+#endif
 	REGISTER_LONG_CONSTANT("SOL_SOCKET",	SOL_SOCKET,		CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("SOMAXCONN",		SOMAXCONN,		CONST_CS | CONST_PERSISTENT);
 #ifdef TCP_NODELAY
@@ -2038,6 +2041,18 @@ PHP_FUNCTION(socket_set_option)
 #endif
 			break;
 		}
+#ifdef SO_BINDTODEVICE
+		case SO_BINDTODEVICE: {
+			if (Z_TYPE_PP(arg4) == IS_STRING) {
+				opt_ptr = Z_STRVAL_PP(arg4);
+				optlen = Z_STRLEN_PP(arg4);
+			} else {
+				opt_ptr = "";
+				optlen = 0;
+			}
+			break;
+		}
+#endif
 
 		default:
 default_case:

ext/sockets/tests/socket_set_option_bindtodevice.phpt

@@ -0,0 +1,40 @@
+--TEST--
+Test if socket_set_option() works, option:SO_BINDTODEVICE
+--DESCRIPTION--
+-Bind to loopback 'lo' device (should exist)
+-Bind to unexisting device
+--SKIPIF--
+<?php
+if (!extension_loaded('sockets')) {
+        die('SKIP sockets extension not available.');
+}
+if (!defined("SO_BINDTODEVICE")) {
+	die('SKIP SO_BINDTODEVICE not supported on this platform.');
+}
+if (!function_exists("posix_getuid") || posix_getuid() != 0) {
+	die('SKIP SO_BINDTODEVICE requires root permissions.');
+}
+?>
+--FILE--
+<?php
+$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
+
+if (!$socket) {
+        die('Unable to create AF_INET socket [socket]');
+}
+// wrong params
+$retval_1 = socket_set_option( $socket, SOL_SOCKET, SO_BINDTODEVICE, "lo");
+var_dump($retval_1);
+$retval_2 = socket_set_option( $socket, SOL_SOCKET, SO_BINDTODEVICE, "ethIDONOTEXIST");
+var_dump($retval_2);
+
+socket_close($socket);
+?>
+
+--EXPECTF--
+bool(true)
+
+Warning: socket_set_option(): unable to set socket option [19]: No such device in %s on line %d
+bool(false)
+--CREDITS--
+Damjan Cvetko, foreach.org