php-src/ext/openssl/tests/bug74159.phpt

--TEST--
Bug #74159: Writing a large buffer to non-blocking encrypted streams fails
--SKIPIF--
<?php
if (!extension_loaded("openssl")) die("skip openssl not loaded");
if (!function_exists("proc_open")) die("skip no proc_open");
?>
--FILE--
<?php
// the server code is doing many readings in a short interval which is
// not really reliable on more powerful machine but cover different
// scenarios which might be useful. More reliable test is bug72333.phpt
$serverCode = <<<'CODE'
    $serverUri = "ssl://127.0.0.1:10012";
    $serverFlags = STREAM_SERVER_BIND | STREAM_SERVER_LISTEN;
    $serverCtx = stream_context_create(['ssl' => [
        'local_cert' => __DIR__ . '/bug54992.pem',
        'crypto_method' => STREAM_CRYPTO_METHOD_TLSv1_2_SERVER,
    ]]);

    $server = stream_socket_server($serverUri, $errno, $errstr, $serverFlags, $serverCtx);
    phpt_notify();

    $client = stream_socket_accept($server, 1);

    if (!$client) {
        exit();
    }

    $data = '';
    while (strlen($data) < 0xfffff) {
        $buffer = fread($client, 8192);
        if (empty($buffer)) {
            exit();
        }
        $data .= $buffer;
        usleep(100);
    }

    fclose($client);
CODE;

$clientCode = <<<'CODE'
    function streamRead($stream) : int {
        return strlen(fread($stream, 8192));
    }

    function streamWrite($stream, $data) : int {
        return fwrite($stream, $data);
    }

    function waitForWrite(...$streams) : bool {
        $read = null;
        $except = null;
        while($streams && !($n = stream_select($read, $streams, $except, 1)));
        return $n > 0;
    }

    function waitForRead(...$streams) : bool {
        $write = null;
        $except = null;
        while ($streams && !($n = stream_select($streams, $write, $except, 1)));
        return $n > 0;
    }

    set_error_handler(function ($errno, $errstr) {
        exit("$errstr\n");
    });

    $serverUri = "tcp://127.0.0.1:10012";
    $clientFlags = STREAM_CLIENT_CONNECT;
    $clientCtx = stream_context_create(['ssl' => [
        'verify_peer' => true,
        'cafile' => __DIR__ . '/bug54992-ca.pem',
        'peer_name' => 'bug54992.local',
    ]]);

    phpt_wait();

    $fp = stream_socket_client($serverUri, $errno, $errstr, 1, $clientFlags, $clientCtx);

    stream_set_blocking($fp, false);
    while (0 === ($n = stream_socket_enable_crypto($fp, true, STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT)));

    $data = str_repeat("a", 0xfffff);
    $written = 0;
    $total = $written;
    while(!empty($data)) {
        $written = streamWrite($fp, $data);
        $total += $written;
        $data = substr($data, $written);
        waitForWrite($fp);
    }
    printf("Written %d bytes\n", $total);

    while(waitForRead($fp)) {
        streamRead($fp);
        if (feof($fp)) {
            break;
        }
    }

    exit("DONE\n");
CODE;

include 'ServerClientTestCase.inc';
ServerClientTestCase::getInstance()->run($clientCode, $serverCode);
?>
--EXPECTF--
Written 1048575 bytes
DONE