Merge branch 'PHP-8.4' into PHP-8.5

* PHP-8.4:
  Fix phpGH-20240: FTP with SSL: ftp_fput(): Connection timed out on successful writes

Author: ndossche

ext/ftp/ftp.c

@@ -1508,14 +1508,17 @@ static int my_recv(ftpbuf_t *ftp, php_socket_t s, void *buf, size_t len)
 	return (nr_bytes);
 }
 
-static bool data_available(ftpbuf_t *ftp, php_socket_t s)
+static bool data_available(ftpbuf_t *ftp, php_socket_t s, bool silent)
 {
 	int n;
 
 	n = my_poll(s, PHP_POLLREADABLE, 1000);
 	if (n < 1) {
 		char buf[256];
 		if (n == 0) {
+			if (silent) {
+				return false;
+			}
 #ifdef PHP_WIN32
 			_set_errno(ETIMEDOUT);
 #else
@@ -1831,7 +1834,9 @@ static void ftp_ssl_shutdown(ftpbuf_t *ftp, php_socket_t fd, SSL *ssl_handle) {
 		done = 0;
 	}
 
-	while (!done && data_available(ftp, fd)) {
+	/* Don't report timeouts on the control channel if we're negotiating a shutdown already.
+	 * Some servers don't put a final response. */
+	while (!done && data_available(ftp, fd, true)) {
 		ERR_clear_error();
 		nread = SSL_read(ssl_handle, buf, sizeof(buf));
 		if (nread <= 0) {
@@ -2078,7 +2083,7 @@ int ftp_nb_continue_read(ftpbuf_t *ftp)
 	data = ftp->data;
 
 	/* check if there is already more data */
-	if (!data_available(ftp, data->fd)) {
+	if (!data_available(ftp, data->fd, false)) {
 		return PHP_FTP_MOREDATA;
 	}