dotnet/runtime

Enhance the NTLM negotiation testing on Linux/macOS

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#71,427 opened on Jun 29, 2022

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area-System.Net.Securityhelp wantedtest-enhancement

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Description

Both krb5+gssntlm-ssp and macOS GSSAPI seem to support passing a custom credential file for testing through the NTLM_USER_FILE environment variable. The format of the file is the following:

DOMAIN:user:password

In theory that could enable some round-trip tests like the ones for HTTP authentication or the NegotiateStream tests. I briefly experimented with it and already uncovered a couple of issues.

Contributor guide

Research direction
Investigate how to set up NTLM USER FILE environment variable for testing on Linux/macOS, and create round trip tests for HTTP authentication and NegotiateStream. Check existing test infrastructure and adapt it to use the custom credential file.
Tech stack
csharp
Domain
securitytesting
Issue type
Test
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
C#NTLM authenticationdotnet runtime testing
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50