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EchoService
<?php
ini_set('memory_limit', -1);
//sleep(20);
$protocol = isset($argv[3]) ? $argv[3] : 'tcp';
$conn = stream_socket_client(
"{$protocol}://[{$argv[1]}]:{$argv[2]}/",
$errno,
$errstr,
10,
STREAM_CLIENT_CONNECT,
stream_context_create(
array(
'ssl' => array(
'verify_peer' => true,
'verify_peer_name' => false,
'cafile' => __DIR__ . DIRECTORY_SEPARATOR . 'selfSigned.cer',
'allow_self_signed' => true
)
)
)
);
echo "Client running...\n";
while (!feof($conn)) {
$line = '';
$r = $e = null;
$w = array($conn);
if (1 === stream_select($r, $w, $e, null)) {
$line = trim(fgets(STDIN));
$line = str_repeat('t', $line) . PHP_EOL;
$r = $e = null;
$w = array($conn);
while ('' != $line) {
if (!feof($conn) && 1 === stream_select($r, $w, $e, null)) {
$w = array($conn);
$line = substr($line, fwrite($conn, $line));
} else {
continue 2;
}
}
fflush($conn);
echo "Line sent\n";
$readBuff = '';
$bytesRead = 0;
$w = $e = null;
$r = array($conn);
while (!feof($conn) && 1 === stream_select($r, $w, $e, null)) {
$r = array($conn);
$readBuff .= fread($conn, 1);
echo str_repeat("\x8", strlen((string)$bytesRead)) . ++$bytesRead;
$lines = explode(PHP_EOL, $readBuff);
$readBuff = array_pop($lines);
if (!empty($lines)) {
break;
}
}
echo "\n";
$bytesRead = 0;
foreach ($lines as $line) {
fwrite(STDOUT, '(' . strlen($line) . ' received) ' . $line . PHP_EOL);
}
}
}
<?php
ini_set('memory_limit', -1);
$protocol = isset($argv[2]) ? $argv[2] : 'tcp';
$server = stream_socket_server(
"{$protocol}://0.0.0.0:{$argv[1]}",
$errorno,
$errstr,
STREAM_SERVER_BIND | STREAM_SERVER_LISTEN,
stream_context_create(
array(
'ssl' => array(
'verify_peer' => false,
'verify_peer_name' => false,
'local_cert' => __DIR__ . DIRECTORY_SEPARATOR . 'selfSigned.cer',
'cafile' => __DIR__ . DIRECTORY_SEPARATOR . 'selfSigned.cer',
'allow_self_signed' => true
)
)
)
);
echo "Server running...\n";
while (true) {
$conn = stream_socket_accept($server, -1, $peerName);
if ($conn === false) {
continue;
}
echo "Connection started...\n";
$bytesRead = 0;
$readBuff = '';
while (!feof($conn)) {
$w = $e = null;
$r = array($conn);
while (!feof($conn) && 1 === stream_select($r, $w, $e, null)) {
$r = array($conn);
$readBuff .= fread($conn, 1);
fflush($conn);
echo str_repeat("\x8", strlen((string)$bytesRead)) . ++$bytesRead;
$lines = explode(PHP_EOL, $readBuff);
$readBuff = array_pop($lines);
if (!empty($lines)) {
break;
}
}
$r = $e = null;
$w = array($conn);
foreach ($lines as $line) {
echo "\nEchoing back " . strlen($line) . ' bytes...';
$line .= PHP_EOL;
while ('' != $line) {
if (!feof($conn) && 1 === stream_select($r, $w, $e, null)) {
$w = array($conn);
$line = substr($line, fwrite($conn, $line));
} else {
continue 3;
}
}
fflush($conn);
echo "Done\n";
}
$bytesRead = 0;
}
}
<?php
define('CERTIFICATE_FILE', 'selfSigned');
//Prepare a self signed certificate
$configargs = array();
if (strpos(PHP_OS, 'WIN') === 0) {
$phpbin = defined('PHP_BINARY')
? PHP_BINARY
: getenv('PHP_PEAR_PHP_BIN');
$configargs['config'] = dirname($phpbin) . '/extras/ssl/openssl.cnf';
}
$privkey = openssl_pkey_new($configargs);
$cert = openssl_csr_sign(
openssl_csr_new(
array(
'countryName' => 'US',
'stateOrProvinceName' => 'IRRELEVANT',
'localityName' => 'IRRELEVANT',
'organizationName' => 'PHP',
'organizationalUnitName' => 'PHP',
'commonName' => 'IRRELEVANT',
'emailAddress' => 'IRRELEVANT@example.com'
),
$privkey,
$configargs
),
null,
$privkey,
2,
$configargs
);
$pem = array();
openssl_x509_export($cert, $pem[0]);
openssl_pkey_export($privkey, $pem[1], null, $configargs);
openssl_pkcs12_export_to_file(
$pem[0],
__DIR__ . DIRECTORY_SEPARATOR . CERTIFICATE_FILE . '.p12',
$pem[1],
'123456'
);
file_put_contents(
__DIR__ . DIRECTORY_SEPARATOR . CERTIFICATE_FILE . '.cer',
implode('', $pem)
);
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