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sni_001.phpt
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sni_001.phpt
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--TEST--
SNI 001
--SKIPIF--
<?php
if (!extension_loaded('openssl')) die("skip openssl extension not available");
if (!getenv('SNI_TESTS')) die("skip Set SNI_TESTS to enable this test (uses remote resources)");
?>
--FILE--
<?php
/* Server Name Indication (SNI) tests
*
* This test relies on https://sni.velox.ch/ and thus is disabled by default.
*
* sni.velox.ch uses 3 certificates :
* - CN=alice.sni.velox.ch (sent in response to server_name = alice.sni.velox.ch or not set)
* - CN=bob.sni.velox.ch (sent in response to server_name = bob.sni.velox.ch)
* - CN=*.sni.velox.ch (sent in response to server_name = mallory.sni.velox.ch or *.sni.velox.ch or sni.velox.ch)
*
* The test sends requests to the server, sending different names, and checks which certificate
* the server returned.
*/
function context($host = NULL) {
$ctx = stream_context_create();
stream_context_set_option($ctx, 'ssl', 'capture_peer_cert', true);
stream_context_set_option($ctx, 'ssl', 'verify_peer', false);
if ($host) {
stream_context_set_option($ctx, 'ssl', 'CN_match', $host);
} else {
stream_context_set_option($ctx, 'ssl', 'verify_host', false);
}
return $ctx;
}
function get_CN($context) {
$ary = stream_context_get_options($context);
assert($ary);
$cert = $ary['ssl']['peer_certificate'];
assert($cert);
$cert_ary = openssl_x509_parse($cert);
return $cert_ary['subject']['CN'];
}
function do_http_test($url, $context) {
$fh = fopen($url, 'r', false, $context);
assert($fh);
var_dump(get_CN($context));
}
function do_ssl_test($url, $context) {
$fh = stream_socket_client($url, $errno, $errstr,
ini_get("default_socket_timeout"), STREAM_CLIENT_CONNECT, $context);
assert($fh);
var_dump(get_CN($context));
}
function do_enable_crypto_test($url, $context) {
$fh = stream_socket_client($url, $errno, $errstr,
ini_get("default_socket_timeout"), STREAM_CLIENT_CONNECT, $context);
assert($fh);
$r = stream_socket_enable_crypto($fh, true, STREAM_CRYPTO_METHOD_TLS_CLIENT);
assert($r);
var_dump(get_CN($context));
}
/* Test https:// streams */
echo "-- auto host name (1) --\n";
do_http_test('https://alice.sni.velox.ch/', context('alice.sni.velox.ch'));
echo "-- auto host name (2) --\n";
do_http_test('https://bob.sni.velox.ch/', context('bob.sni.velox.ch'));
echo "-- auto host name (3) --\n";
do_http_test('https://bob.sni.velox.ch./', context('bob.sni.velox.ch'));
echo "-- user supplied server name --\n";
$context = context();
stream_context_set_option($context, 'ssl', 'SNI_server_name', 'bob.sni.velox.ch');
stream_context_set_option($context, 'http', 'header', b'Host: bob.sni.velox.ch');
do_http_test('https://alice.sni.velox.ch/', $context);
echo "-- sni disabled --\n";
$context = context();
stream_context_set_option($context, 'ssl', 'SNI_enabled', false);
do_http_test('https://bob.sni.velox.ch/', $context);
/* Test ssl:// socket streams */
echo "-- raw SSL stream (1) --\n";
do_ssl_test('ssl://bob.sni.velox.ch:443', context('bob.sni.velox.ch'));
echo "-- raw SSL stream (2) --\n";
do_ssl_test('ssl://mallory.sni.velox.ch:443', context('mallory.sni.velox.ch'));
echo "-- raw SSL stream with user supplied sni --\n";
$context = context('bob.sni.velox.ch');
stream_context_set_option($context, 'ssl', 'SNI_server_name', 'bob.sni.velox.ch');
do_ssl_test('ssl://mallory.sni.velox.ch:443', $context);
echo "-- raw SSL stream with sni disabled --\n";
$context = context();
stream_context_set_option($context, 'ssl', 'SNI_enabled', false);
do_ssl_test('ssl://mallory.sni.velox.ch:443', $context);
/* Test tcp:// socket streams with SSL enabled */
echo "-- stream_socket_enable_crypto (1) --\n";
do_enable_crypto_test('tcp://bob.sni.velox.ch:443', context());
echo "-- stream_socket_enable_crypto (2) --\n";
do_enable_crypto_test('tcp://mallory.sni.velox.ch:443', context());
echo "-- stream_socket_enable_crypto with user supplied sni --\n";
$context = context();
stream_context_set_option($context, 'ssl', 'SNI_server_name', 'bob.sni.velox.ch');
do_enable_crypto_test('tcp://mallory.sni.velox.ch:443', $context);
echo "-- stream_socket_enable_crypto with sni disabled --\n";
$context = context();
stream_context_set_option($context, 'ssl', 'SNI_enabled', false);
do_enable_crypto_test('tcp://mallory.sni.velox.ch:443', $context);
echo "-- stream_socket_enable_crypto with long name --\n";
$context = context();
stream_context_set_option($context, 'ssl', 'SNI_server_name', str_repeat('a.', 500) . '.sni.velox.ch');
do_enable_crypto_test('tcp://mallory.sni.velox.ch:443', $context);
?>
--EXPECTF--
-- auto host name (1) --
%unicode|string%(18) "alice.sni.velox.ch"
-- auto host name (2) --
%unicode|string%(16) "bob.sni.velox.ch"
-- auto host name (3) --
%unicode|string%(16) "bob.sni.velox.ch"
-- user supplied server name --
%unicode|string%(16) "bob.sni.velox.ch"
-- sni disabled --
%unicode|string%(18) "alice.sni.velox.ch"
-- raw SSL stream (1) --
%unicode|string%(16) "bob.sni.velox.ch"
-- raw SSL stream (2) --
%unicode|string%(14) "*.sni.velox.ch"
-- raw SSL stream with user supplied sni --
%unicode|string%(16) "bob.sni.velox.ch"
-- raw SSL stream with sni disabled --
%unicode|string%(18) "alice.sni.velox.ch"
-- stream_socket_enable_crypto (1) --
%unicode|string%(16) "bob.sni.velox.ch"
-- stream_socket_enable_crypto (2) --
%unicode|string%(14) "*.sni.velox.ch"
-- stream_socket_enable_crypto with user supplied sni --
%unicode|string%(16) "bob.sni.velox.ch"
-- stream_socket_enable_crypto with sni disabled --
%unicode|string%(18) "alice.sni.velox.ch"
-- stream_socket_enable_crypto with long name --
%unicode|string%(18) "alice.sni.velox.ch"