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feat(rdp): remote audio and a shared folder redirected as a drive

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- Audio: the RDPSND channel with IronRDP's cpal playback backend (PCM;
  Opus left out to avoid another native library). On by default for new
  RDP profiles. Building now needs the ALSA headers on Linux
  (libasound2-dev), added to CI, release and fuzz jobs and the build docs.
- Shared folder (Linux/macOS): one local folder appears on the remote
  desktop as a drive. IronRDP's native backend joins server paths onto
  the share unchecked, so it is wrapped in ConfinedDrive: create, list
  and rename paths with '..' components, NUL bytes, or that resolve
  through a symlink outside the share are refused (ACCESS_DENIED);
  tests cover the escapes.

Verified against xrdp (with FUSE): the remote read the shared file, and
writes, mkdir and rename landed in the local folder. Not verified:
audio playback (the test container has no sound module), and xrdp lists
the drive as 'ignored' and can't list its directories (an IronRDP/xrdp
naming and listing mismatch, fixed upstream for the name).
This commit is contained in:
Andy Dixon
2026-10-12 18:07:49 +01:00
parent 6476ccff28
commit b798422735
15 changed files with 478 additions and 8 deletions
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rust/Cargo.lock
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@@ -264,6 +264,28 @@ dependencies = [
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]
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[[package]]
@@ -2775,6 +2853,8 @@ dependencies = [
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