ext/mysqlnd: fixed known issues and added test case

Author: Appla

ext/mysqli/tests/bug81335.phpt

@@ -0,0 +1,38 @@
+--TEST--
+Bug #81335: Packets out of order after connection timeout
+--EXTENSIONS--
+mysqli
+--SKIPIF--
+<?php
+if (getenv("SKIP_SLOW_TESTS")) die("skip slow test");
+
+if (!defined('MYSQLI_STORE_RESULT_COPY_DATA')) die('skip requires mysqlnd');
+
+require_once 'connect.inc';
+if (!$link = @my_mysqli_connect($host, $user, $passwd, $db, $port, $socket)) die("skip cannot connect");
+if (mysqli_get_server_version($link) < 80024) {
+    $link->close();
+    die("skip: Due to many MySQL Server differences, the test requires >= 8.0.24");
+}
+$link->close();
+?>
+--FILE--
+<?php
+
+require_once 'connect.inc';
+mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
+$mysqli = new my_mysqli($host, $user, $passwd, $db, $port, $socket);
+$mysqli->query('SET WAIT_TIMEOUT=1');
+usleep(1000000 * 1.1);
+try {
+    $mysqli->query('SELECT SLEEP(1)');
+} catch(mysqli_sql_exception $e) {
+    echo $e->getMessage();
+    echo "\n";
+    echo $e->getCode();
+}
+$mysqli->close();
+?>
+--EXPECTF--
+The client was disconnected by the server because of inactivity. See wait_timeout and interactive_timeout for configuring this behavior.
+4031

ext/mysqlnd/mysqlnd_enum_n_def.h

@@ -130,7 +130,7 @@
 #define CR_INVALID_PARAMETER_NO	2034
 #define CR_INVALID_BUFFER_USE	2035
 #define CR_LOAD_DATA_LOCAL_INFILE_REJECTED 2068
-#define ER_CLIENT_INTERACTION_TIMEOUT 4031
+#define CR_CLIENT_INTERACTION_TIMEOUT 4031
 
 #define MYSQLND_EE_FILENOTFOUND	 7890
 

ext/mysqlnd/mysqlnd_result.c

@@ -183,7 +183,7 @@ mysqlnd_query_read_result_set_header(MYSQLND_CONN_DATA * conn, MYSQLND_STMT * s)
 		UPSERT_STATUS_SET_AFFECTED_ROWS_TO_ERROR(conn->upsert_status);
 
 		if (FAIL == (ret = PACKET_READ(conn, &rset_header))) {
-			if (conn->error_info->error_no != CR_SERVER_GONE_ERROR && conn->error_info->error_no != ER_CLIENT_INTERACTION_TIMEOUT) {
+			if (conn->error_info->error_no != CR_SERVER_GONE_ERROR && conn->error_info->error_no != CR_CLIENT_INTERACTION_TIMEOUT) {
 				php_error_docref(NULL, E_WARNING, "Error reading result set's header");
 			}
 			break;

ext/mysqlnd/mysqlnd_wireprotocol.c

@@ -269,21 +269,16 @@ mysqlnd_read_header(MYSQLND_PFC * pfc, MYSQLND_VIO * vio, MYSQLND_PACKET_HEADER
 	}
 	// @see https://dev.mysql.com/worklog/task/?id=12999
 	if (header->size > 0) {
-		DBG_ERR_FMT("Logical link: try reap pending data. Packet size=%zu", header->size);
-		zend_uchar *buf = emalloc(header->size);
+		zend_uchar *buf = mnd_emalloc(header->size);
 		if ((PASS == pfc->data->m.receive(pfc, vio, buf, header->size, conn_stats, error_info)) && buf[0] == ERROR_MARKER) {
 			php_mysqlnd_read_error_from_line(buf + 1, header->size - 1,
 			                                 error_info->error, sizeof(error_info->error),
 			                                 &error_info->error_no, error_info->sqlstate
 			);
-			if (error_info->error_no == ER_CLIENT_INTERACTION_TIMEOUT) {
-				efree(buf);
-				DBG_RETURN(FAIL);
-			} else {
-				error_info->error_no = 0;
-			}
+			mnd_efree(buf);
+			DBG_RETURN(FAIL);
 		}
-		efree(buf);
+		mnd_efree(buf);
 	}
 
 	DBG_ERR_FMT("Logical link: packets out of order. Expected %u received %u. Packet size=%zu",