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Improve PowerShell Remoting Argument Validation - #27870
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Pull request overview
This pull request refactors how SSH remoting process arguments are constructed in RunspaceConnectionInfo.cs to use ProcessStartInfo.ArgumentList end-to-end (reducing parsing/quoting ambiguity) and expands SSH remoting Pester coverage to validate rejection/failure behavior for malformed SSH-related parameters.
Changes:
- Build SSH arguments as discrete
ArgumentListentries (e.g.,-i,-l,-p,-o,-s) rather than interpolated strings. - Remove the custom
ParseArgvlogic on UNIX by directly prepending the executable name to the existing argument list. - Add Windows-specific argument flattening/quoting helpers and expand SSH remoting tests for malformed
UserName,Port,Subsystem, andKeyFilePath, plus a Windows skip for thepwshconfigendpoint test.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
src/System.Management.Automation/engine/remoting/common/RunspaceConnectionInfo.cs |
Refactors SSH process argument construction to use ArgumentList, replaces argv parsing on UNIX, and adds Windows command-line join/quote helpers. |
test/SSHRemoting/SSHRemoting.Basic.Tests.ps1 |
Adds shared SSH test variables, refactors session retry helper logic, and expands negative test coverage for malformed SSH parameters. |
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Anam Navied (anamnavi)
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PR Summary
This pull request refactors SSH process argument handling in PowerShell remoting to use ProcessStartInfo.ArgumentList throughout the SSH invocation flow and expands test coverage for invalid and edge-case parameter values.
By treating SSH arguments as discrete entries instead of constructing command-line strings, the implementation becomes simpler, more consistent, and easier to maintain. The update also includes additional validation tests, platform-specific test improvements, and helper logic for Windows process creation.
PR Context
PR Checklist
.h,.cpp,.cs,.ps1and.psm1files have the correct copyright header