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ext/sockets: socket_bind() check port validity. #17296

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ext/sockets: socket_bind() check port validity. #17296

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5 changes: 5 additions & 0 deletions ext/sockets/sockets.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1288,6 +1288,11 @@ PHP_FUNCTION(socket_bind)
php_sock = Z_SOCKET_P(arg1);
ENSURE_SOCKET_VALID(php_sock);

if (port < 0 || port > USHRT_MAX) {
zend_argument_value_error(3, "must be between 0 and %u", USHRT_MAX);
RETURN_THROWS();
}

switch(php_sock->type) {
case AF_UNIX:
{
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23 changes: 23 additions & 0 deletions ext/sockets/tests/socket_bind_invalid_port.phpt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
--TEST--
socket_bind() with invalid ports.
--EXTENSIONS--
sockets
--FILE--
<?php
$s_c = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);

try {
socket_bind($s_c, '0.0.0.0', -1);
} catch (\ValueError $e) {
echo $e->getMessage() . PHP_EOL;
}

try {
socket_bind($s_c, '0.0.0.0', 65536);
} catch (\ValueError $e) {
echo $e->getMessage() . PHP_EOL;
}
?>
--EXPECT--
socket_bind(): Argument #3 ($port) must be between 0 and 65535
socket_bind(): Argument #3 ($port) must be between 0 and 65535
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