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Socket maximum timeout of 2147 seconds? #17717

Open
@M393

Description

Description

The following code:

<?php
$url = 'https://example.com/';
$context = stream_context_create([
 'http' => [
 'timeout' => 60 * 60,
 ],
]);
file_get_contents($url, false, $context);

Resulted in this output:

file_get_contents(https://example.com/): Failed to open stream: timeout must be lower than 2147

But I expected this output instead:

No warning/error

Relavant code for the max value from the output ( floor((2^31 -1) / 1000000 ) = 2147 ):

if (context && (tmpzval = php_stream_context_get_option(context, wrapper->wops->label, "timeout")) != NULL) {
double d = zval_get_double(tmpzval);
#ifndef PHP_WIN32
const double timeoutmax = (double) PHP_TIMEOUT_ULL_MAX / 1000000.0;
#else
const double timeoutmax = (double) LONG_MAX / 1000000.0;
#endif

Dividing by 100000.0 doesn't seem right.

The timeout struct accepts two long integers, one for seconds and one for micro seconds so the maximum value should be 2147483647.999999 seconds.

#ifndef PHP_WIN32
timeout.tv_sec = (time_t) d;
timeout.tv_usec = (size_t) ((d - timeout.tv_sec) * 1000000);
#else
timeout.tv_sec = (long) d;
timeout.tv_usec = (long) ((d - timeout.tv_sec) * 1000000);
#endif

My php binary is from https://windows.php.net/downloads/releases/php-8.4.3-Win32-vs17-x64.zip

PHP Version

PHP 8.4.3 x64

Operating System

Windows 10

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