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fad14e3180
- New "SNI_server_certs" context option maps host names to
appropriate certs should client handshakes advertise the
SNI extension:
$ctx = stream_context_create(["ssl" => [
"local_cert" => "/path/to/cert.pem",
"SNI_server_certs" => [
"domain1.com" => "/path/to/domain1.pem",
"*.domain2.com" => "/path/to/domain2.pem",
"domain3.com" => "/path/to/domain3.pem"
]
]]);
- Prefixing a "*." will utilize the matching cert if a client
requests the primary host name or any subdomain thereof. So
in the above example our "domain2.pem" will be used for both
requests to "domain2.com" -and- "subdomain.domain2.com"
- The "SNI_server_certs" ctx option has no effect for client
streams.
- SNI support is enabled by default as of 5.6 for both servers
and clients. Servers must specify the "SNI_server_certs" array
to actually use the SNI extension, though.
- If the `"SNI_enabled" => false` ctx option is also passed then
"SNI_server_certs" has no effect.
- While supporting SNI by itself is enough to successfully
negotiate the TLS handshake with many clients, servers MUST
still specify a "local_cert" ctx option or run the risk of
connection failures from clients that do not support the SNI
extension.
61 lines
2.0 KiB
PHP
61 lines
2.0 KiB
PHP
--TEST--
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sni_server
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--SKIPIF--
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<?php
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if (!extension_loaded("openssl")) die("skip openssl not loaded");
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--FILE--
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<?php
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$serverCode = <<<'CODE'
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$flags = STREAM_SERVER_BIND|STREAM_SERVER_LISTEN;
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$ctx = stream_context_create(['ssl' => [
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'local_cert' => __DIR__ . '/domain1.pem',
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'SNI_server_certs' => [
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"domain1.com" => __DIR__ . "/sni_server_domain1.pem",
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"domain2.com" => __DIR__ . "/sni_server_domain2.pem",
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"domain3.com" => __DIR__ . "/sni_server_domain3.pem"
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]
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]]);
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$server = stream_socket_server('tls://127.0.0.1:64321', $errno, $errstr, $flags, $ctx);
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phpt_notify();
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for ($i=0; $i < 3; $i++) {
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@stream_socket_accept($server, 3);
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}
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CODE;
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$clientCode = <<<'CODE'
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$flags = STREAM_CLIENT_CONNECT;
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$ctxArr = [
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'cafile' => __DIR__ . '/sni_server_ca.pem',
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'capture_peer_cert' => true
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];
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phpt_wait();
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$ctxArr['peer_name'] = 'domain1.com';
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$ctx = stream_context_create(['ssl' => $ctxArr]);
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$client = stream_socket_client("tls://127.0.0.1:64321", $errno, $errstr, 1, $flags, $ctx);
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$cert = stream_context_get_options($ctx)['ssl']['peer_certificate'];
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var_dump(openssl_x509_parse($cert)['subject']['CN']);
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$ctxArr['peer_name'] = 'domain2.com';
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$ctx = stream_context_create(['ssl' => $ctxArr]);
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$client = @stream_socket_client("tls://127.0.0.1:64321", $errno, $errstr, 1, $flags, $ctx);
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$cert = stream_context_get_options($ctx)['ssl']['peer_certificate'];
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var_dump(openssl_x509_parse($cert)['subject']['CN']);
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$ctxArr['peer_name'] = 'domain3.com';
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$ctx = stream_context_create(['ssl' => $ctxArr]);
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$client = @stream_socket_client("tls://127.0.0.1:64321", $errno, $errstr, 1, $flags, $ctx);
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$cert = stream_context_get_options($ctx)['ssl']['peer_certificate'];
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var_dump(openssl_x509_parse($cert)['subject']['CN']);
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CODE;
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include 'ServerClientTestCase.inc';
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ServerClientTestCase::getInstance()->run($clientCode, $serverCode);
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--EXPECTF--
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string(%d) "domain1.com"
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string(%d) "domain2.com"
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string(%d) "domain3.com"
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