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Implementing Bug #63472 #357

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Implementing Bug #63472 #357

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2888e46
Implements feature Bug #63472 ability to set SO_BINDTODEVICE on socket.
zobo Jun 10, 2013
28bb506
Use wildcards for warning message.
zobo Jun 17, 2013
d6a4403
Skip test if we are not root.
zobo Jun 17, 2013
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15 changes: 15 additions & 0 deletions ext/sockets/sockets.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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:
Expand Down
40 changes: 40 additions & 0 deletions ext/sockets/tests/socket_set_option_bindtodevice.phpt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,40 @@
--TEST--
Test if socket_set_option() works, option:SO_BINDTODEVICE
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This test would only work for root

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Yes, you need root for SO_BINDTODEVICE, that's it nature. Should I just skip the test if current context is not root? posix_getuid() != 0

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Yes, probably.

--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