Interoperability Tools for CIFS/SMB/SMB2 Paul Long and Simon Sun Microsoft

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1 Interoperability Tools for CIFS/SMB/SMB2 Paul Long and Simon Sun Microsoft

2 Who are we? Paul Long Technical Evangelist Windows Interop Team Simon Sun Software Design Engineer Protocol Engineering Team Microsoft China 2

3 Overview of Interoperability Tools Open Specifications Network Monitor Spec Explorer Interoperability Test Suites 3

4 Open Specifications Windows Client/Server Office SharePoint Exchange SQL File Formats MSDN Support Forums File Access Services MS-FSSO - Overview MS-CIFS MS-SMB MS-SMB2 MS-FSCC Network Monitor Parsers Interoperability Test Suites 4

5 Network Monitor UI Accurate Parsers based on Open Protocol Specifications 5

6 Network Monitor UI Conversation Tree: Filter Traffic by Clicking on node 6

7 Network Monitor UI Rich Filtering and Colorization of Frames 7

8 Network Monitor UI Frame Annotations to describe frame behavior 8

9 Network Monitor 3.4 Input Sources UI and NDIS Capture Driver NMCap Command Line Tool. Event Tracing for Windows Using NetSh, Logman PCap TCPDump, Wireshark, etc i.e. NetSh Trace Start Scenario=FileSharing Capture=Yes 9

10 Network Monitor API API Capturing Parsing Experts Interoperability Test Suites Top Users Top Protocols SSL Decrypt Simple Search TCP Analyzer 10

11 Network Monitor Interop System Documents - Annotated Traces for Various Scenarios MS-FSSO_S3FindFileInDomain.Cap MS-FSSO_Scenario_Captures_v3_0.zip File Sharing System Docs Find File In Domain Find File In Workgroup Config Server 11

12 Network Monitor Interop Why read the Open Protocol Specifications when Network Monitor can do the first pass for you? These two built in Standard Filters can help find problems with SMB implementations 12

13 Network Monitor Interop How can I locate documentation based on a trace I m looking at? These two options jump to the NPL Parser source code. Look at the top of the file for Open Specification References 13

14 Spec Explorer - Overview 14

15 Conformance Testing 1. Start with Spec Conformance Implementation responds only with what the Test expects Specification Conformance Error Implementation does the unexpected (discrepancy) Test 3. Write Tests to check Conformance Implementation 2. Create Implementation from Spec 15

16 Conformance Testing Specification 1. Start with Spec Failure of conformance indicates either the Specification, Implementation, or Test is Incorrect. Test 3. Write Tests to check Conformance Implementation 2. Create Implementation from Spec 16

17 Spec Explorer Model-Based Testing Author Specifications Generate Model Test Feedback Test Sequence Inputs Expected Outputs Issue Verdict Observe Control Implementation 17

18 Spec Explorer Model-Based Testing Generate Model Author Specifications Spec Explorer allows you to update the model and generate new tests automatically! Tests Interoperability Test Suites Expected Outputs Issue Verdict Observe Control Implementation 18

19 Interoperability Test Suites 19

20 Scope Validate Docs against Implementation Technical Document Validate Server Black Box/Clean Room Verify Conformance Accuracy Usability Feedback via TDI (Technical Document Issue) 21

21 Scope Test Interoperability Microsoft Protocol Plugfests Interoperability IO Labs 22

22 Two Test Approaches Model-Based Testing Stateful Protocol with Complex Logic Transitions Complex Field Combinations Easy to Maintain the Test Cases Traditional Testing For Special logic 24

23 ProtoDoc Quality Assurance Process Technical Docs = Team Review TDIs Study Phase TDIs Strategy Review Plan Phase TDIs Plan Review Design Phase TDIs Design Review Implementation TDIs Test Execution Final Review

24 Interoperability Test Suite Arch SUT Control Adapter Interface PowerShell Interactive Adapter Interoperability Test Suite Test Case generated by Model Tradition Test Request Response Request Response SUT (System Under Test) Adapter Interface SDK Traditional Adapter Interface 26

25 In-depth Discussions Network Monitor 3.4 Interoperability Test Suites Plugfest Details CIFS/SMB/SMB2 Plugfest runs from Sept 19th-23rd Latest Windows Software and Interoperability Test Suites from Microsoft Technical Support from Microsoft Engineers 27

26 Questions?? 28

27 Network Monitor Resources Network Monitor 3.4 Download Network Monitor Forums Parser Updates for CodePlex Network Monitor Experts Open Specifications 29

28 Spec Explorer Resources Spec Explorer Model-Based Testing 30