[8.2](backport #30942) winlogbeat/sys/wineventlog: extend testing and fix bugs #31097
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This fixes failures in event handling on Windows 2022[1] where parts of events available from the Windows API are not reflected in the events recovered by winlogbeat[2]. There is unfortunately quite a lot of movement in this change due to the need to satisfy linter requirements. Beyond those changes, the substantive changes here are: 1. Addition of new testing infrastructure to allow addition of evtx files and comparison with there expected XML renderings, and adding some test cases (shown below). 2. Fixing a buffer length parameter in the call to _EvtFormatMessage in evtFormatMessage that was the result of a lack of clarity in the API documentation for that syscall. 3. Fixing a var shadowing decl of the publisher handle EvtHandle in FormatEventString. 4. Providing a call back for the legacy (non-experimental) API through wineventlog.Message to allow it to obtain the event message in the case that the RenderingInfo element is not available via the Windows API. 5. Ensure that keyword, opcode and level are obtained by the non-experimental API by calling winevent.EnrichRawValuesWithNames in buildRecordFromXML. This change also required making winevent.Event.OpcodeRaw a pointer to allow an absent System>Opcode element to be distinquished from the zero, but present element. The change also enables testing on Windows 2022. [1]#30621 [2]#30622 (comment) New events in testing as rendered by the Event Viewer: ec1: eventcreate /id 1000 /t error /l application /d "My custom error event for the application log" - <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> - <System> <Provider Name="EventCreate" /> <EventID Qualifiers="0">1000</EventID> <Version>0</Version> <Level>2</Level> <Task>0</Task> <Opcode>0</Opcode> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2022-03-22T02:03:11.3106672Z" /> <EventRecordID>316</EventRecordID> <Correlation /> <Execution ProcessID="0" ThreadID="0" /> <Channel>Application</Channel> <Computer>vagrant</Computer> <Security UserID="S-1-5-21-2297499104-2362337018-4092230427-1000" /> </System> - <EventData> <Data>My custom error event for the application log</Data> </EventData> </Event> ec2: eventcreate /id 999 /t error /l application /so WinWord /d "Winword event 999 happened due to low diskspace" - <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> - <System> <Provider Name="WinWord" /> <EventID Qualifiers="0">999</EventID> <Version>0</Version> <Level>2</Level> <Task>0</Task> <Opcode>0</Opcode> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2022-03-22T02:03:11.5132246Z" /> <EventRecordID>317</EventRecordID> <Correlation /> <Execution ProcessID="0" ThreadID="0" /> <Channel>Application</Channel> <Computer>vagrant</Computer> <Security UserID="S-1-5-21-2297499104-2362337018-4092230427-1000" /> </System> - <EventData> <Data>Winword event 999 happened due to low diskspace</Data> </EventData> </Event> ec3: eventcreate /id 5 /t error /l system /d "Catastrophe!" - <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> - <System> <Provider Name="system" /> <EventID Qualifiers="0">5</EventID> <Version>0</Version> <Level>2</Level> <Task>0</Task> <Opcode>0</Opcode> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2022-03-22T02:03:11.5455572Z" /> <EventRecordID>1413</EventRecordID> <Correlation /> <Execution ProcessID="0" ThreadID="0" /> <Channel>System</Channel> <Computer>vagrant</Computer> <Security UserID="S-1-5-21-2297499104-2362337018-4092230427-1000" /> </System> - <EventData> <Data>Catastrophe!</Data> </EventData> </Event> ec4: eventcreate /id 5 /t error /l system /so Backup /d "Backup failure" - <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> - <System> <Provider Name="Backup" /> <EventID Qualifiers="0">5</EventID> <Version>0</Version> <Level>2</Level> <Task>0</Task> <Opcode>0</Opcode> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2022-03-22T02:03:11.8616638Z" /> <EventRecordID>1414</EventRecordID> <Correlation /> <Execution ProcessID="0" ThreadID="0" /> <Channel>System</Channel> <Computer>vagrant</Computer> <Security UserID="S-1-5-21-2297499104-2362337018-4092230427-1000" /> </System> - <EventData> <Data>Backup failure</Data> </EventData> </Event> Co-authored-by: Andrew Kroh <[email protected]> (cherry picked from commit 34bdc3d)
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