xref: /PHP-7.4/ext/openssl/tests/bug74159.phpt (revision 1fab01be) 
1--TEST--
2Bug #74159: Writing a large buffer to non-blocking encrypted streams fails
3--SKIPIF--
4<?php
5if (!extension_loaded("openssl")) die("skip openssl not loaded");
6if (!function_exists("proc_open")) die("skip no proc_open");
7?>
8--FILE--
9<?php
10$certFile = __DIR__ . DIRECTORY_SEPARATOR . 'bug74159.pem.tmp';
11$cacertFile = __DIR__ . DIRECTORY_SEPARATOR . 'bug74159-ca.pem.tmp';
12
13// the server code is doing many readings in a short interval which is
14// not really reliable on more powerful machine but cover different
15// scenarios which might be useful. More reliable test is bug72333.phpt
16$serverCode = <<<'CODE'
17    $serverUri = "ssl://127.0.0.1:10012";
18    $serverFlags = STREAM_SERVER_BIND | STREAM_SERVER_LISTEN;
19    $serverCtx = stream_context_create(['ssl' => [
20        'local_cert' => '%s',
21        'crypto_method' => STREAM_CRYPTO_METHOD_TLSv1_2_SERVER,
22    ]]);
23
24    $server = stream_socket_server($serverUri, $errno, $errstr, $serverFlags, $serverCtx);
25    phpt_notify();
26
27    $client = stream_socket_accept($server, 1);
28
29    if (!$client) {
30        exit();
31    }
32
33    $data = '';
34    while (strlen($data) < 0xfffff) {
35        $buffer = fread($client, 8192);
36        if (empty($buffer)) {
37            exit();
38        }
39        $data .= $buffer;
40        usleep(100);
41    }
42
43    fclose($client);
44CODE;
45$serverCode = sprintf($serverCode, $certFile);
46
47$peerName = 'bug74159';
48$clientCode = <<<'CODE'
49    function streamRead($stream) : int {
50        return strlen(fread($stream, 8192));
51    }
52
53    function streamWrite($stream, $data) : int {
54        return fwrite($stream, $data);
55    }
56
57    function waitForWrite(...$streams) : bool {
58        $read = null;
59        $except = null;
60        while($streams && !($n = stream_select($read, $streams, $except, 1)));
61        return $n > 0;
62    }
63
64    function waitForRead(...$streams) : bool {
65        $write = null;
66        $except = null;
67        while ($streams && !($n = stream_select($streams, $write, $except, 1)));
68        return $n > 0;
69    }
70
71    set_error_handler(function ($errno, $errstr) {
72        exit("$errstr\n");
73    });
74
75    $serverUri = "tcp://127.0.0.1:10012";
76    $clientFlags = STREAM_CLIENT_CONNECT;
77    $clientCtx = stream_context_create(['ssl' => [
78        'verify_peer' => true,
79        'cafile' => '%s',
80        'peer_name' => '%s',
81    ]]);
82
83    phpt_wait();
84
85    $fp = stream_socket_client($serverUri, $errno, $errstr, 1, $clientFlags, $clientCtx);
86
87    stream_set_blocking($fp, false);
88    while (0 === ($n = stream_socket_enable_crypto($fp, true, STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT)));
89
90    $data = str_repeat("a", 0xfffff);
91    $written = 0;
92    $total = $written;
93    while(!empty($data)) {
94        $written = streamWrite($fp, $data);
95        $total += $written;
96        $data = substr($data, $written);
97        waitForWrite($fp);
98    }
99    printf("Written %%d bytes\n", $total);
100
101    while(waitForRead($fp)) {
102        streamRead($fp);
103        if (feof($fp)) {
104            break;
105        }
106    }
107
108    exit("DONE\n");
109CODE;
110$clientCode = sprintf($clientCode, $cacertFile, $peerName);
111
112include 'CertificateGenerator.inc';
113$certificateGenerator = new CertificateGenerator();
114$certificateGenerator->saveCaCert($cacertFile);
115$certificateGenerator->saveNewCertAsFileWithKey($peerName, $certFile);
116
117include 'ServerClientTestCase.inc';
118ServerClientTestCase::getInstance()->run($clientCode, $serverCode);
119?>
120--CLEAN--
121<?php
122@unlink(__DIR__ . DIRECTORY_SEPARATOR . 'bug74159.pem.tmp');
123@unlink(__DIR__ . DIRECTORY_SEPARATOR . 'bug74159-ca.pem.tmp');
124?>
125--EXPECT--
126Written 1048575 bytes
127DONE
128