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Windows qrexec agent has special handling of nogui: that cannot be achieved otherwise #9198

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DemiMarie opened this issue May 7, 2024 · 0 comments
Open

Windows qrexec agent has special handling of nogui: that cannot be achieved otherwise #9198

DemiMarie opened this issue May 7, 2024 · 0 comments
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affects-4.1 This issue affects Qubes OS 4.1. affects-4.2 This issue affects Qubes OS 4.2. C: windows-tools diagnosed Technical diagnosis has been performed (see issue comments). P: default Priority: default. Default priority for new issues, to be replaced given sufficient information. T: bug Type: bug report. A problem or defect resulting in unintended behavior in something that exists.

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@DemiMarie
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How to file a helpful issue

Qubes OS release

git main but probably predates R4.1

Brief summary

The Windows qrexec agent handles qrexec commands of the form USER:nogui: specially. By design, it is not possible to include the nogui: except via a call in dom0 to qrexec-client or qvm-run --no-gui. As per #9180 (comment) the solution to this is not to allow nogui to be specified in the policy file (NACKd by @marmarek in #9180), but rather to allow the same effect to be achieved within the guest.

Steps to reproduce

See above.

Expected behavior

nogui: doesn’t do anything that cannot be achieved by proper service configuration in the Windows guest.

Actual behavior

nogui: does something that cannot be achieved by proper service configuration in the Windows guest.
@DemiMarie DemiMarie added T: bug Type: bug report. A problem or defect resulting in unintended behavior in something that exists. C: windows-tools P: default Priority: default. Default priority for new issues, to be replaced given sufficient information. labels May 7, 2024
@DemiMarie DemiMarie mentioned this issue May 7, 2024
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@andrewdavidwong andrewdavidwong added affects-4.1 This issue affects Qubes OS 4.1. affects-4.2 This issue affects Qubes OS 4.2. diagnosed Technical diagnosis has been performed (see issue comments). labels May 8, 2024
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affects-4.1 This issue affects Qubes OS 4.1. affects-4.2 This issue affects Qubes OS 4.2. C: windows-tools diagnosed Technical diagnosis has been performed (see issue comments). P: default Priority: default. Default priority for new issues, to be replaced given sufficient information. T: bug Type: bug report. A problem or defect resulting in unintended behavior in something that exists.
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@DemiMarie @andrewdavidwong