From a0b4348abc09e00170a334c6f67ef399e8b36a1e Mon Sep 17 00:00:00 2001
From: Damjan Cvetko <damjan.cvetko@gmail.com>
Date: Mon, 10 Jun 2013 12:11:14 +0200
Subject: [PATCH] Implements feature Bug #63472 ability to set SO_BINDTODEVICE
 on socket.

---
 NEWS                                          |  4 ++
 ext/sockets/sockets.c                         | 17 +++++++-
 .../tests/socket_set_option_bindtodevice.phpt | 40 +++++++++++++++++++
 3 files changed, 60 insertions(+), 1 deletion(-)
 create mode 100644 ext/sockets/tests/socket_set_option_bindtodevice.phpt

diff --git a/NEWS b/NEWS
index be774f84f7..5c6f6b92be 100644
--- a/NEWS
+++ b/NEWS
@@ -10,6 +10,10 @@ PHP                                                                        NEWS
   . Fixed bug #65066 (Cli server not responsive when responding with 422 http
     status code). (Adam)
 
+- Sockets:
+  . Implemented FR #63472 (Setting SO_BINDTODEVICE with socket_set_option). 
+    (Damjan Cvetko)
+
 ?? ??? 2013, PHP 5.4.17
 
 - Core:
diff --git a/ext/sockets/sockets.c b/ext/sockets/sockets.c
index b3bcbf2600..0c0380861a 100644
--- a/ext/sockets/sockets.c
+++ b/ext/sockets/sockets.c
@@ -843,6 +843,9 @@ PHP_MINIT_FUNCTION(sockets)
 	REGISTER_LONG_CONSTANT("SO_RCVTIMEO",	SO_RCVTIMEO,	CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("SO_TYPE",		SO_TYPE,		CONST_CS | CONST_PERSISTENT);
 	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
@@ -2355,7 +2358,19 @@ ipv6_loop_hops:
 #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:
 			convert_to_long_ex(arg4);
 			ov = Z_LVAL_PP(arg4);
diff --git a/ext/sockets/tests/socket_set_option_bindtodevice.phpt b/ext/sockets/tests/socket_set_option_bindtodevice.phpt
new file mode 100644
index 0000000000..05d718ce63
--- /dev/null
+++ b/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
-- 
2.40.0