Files
punktfunk/packaging/windows/drivers/pf-dualsense/Cargo.toml
T
enricobuehler 95a08e99c3 feat(host/windows): seal the host↔driver channels (frame + gamepad, proto v2)
Frame ring (pf-vdisplay) and both gamepad SHM channels move off named Global\
objects (openable by any sibling LocalService) to UNNAMED sections/events whose
handles the host DuplicateHandles into the driver's verified WUDFHost with least
access — frame delivery over the SYSTEM+admins-only IOCTL_SET_FRAME_CHANNEL,
pads over a 32-byte named bootstrap mailbox (pid + handle value only, DoS-bounded;
HID minidrivers have no control device). Driver-validated pad_index kills
cross-pad redirects; v1↔v2 mixes fail closed with diagnosis logs on both sides.
Sibling-LocalService denial proven empirically (design/idd-push-security.md,
design/gamepad-channel-sealing.md).

Driver-side raw ops now live behind pf-umdf-util (checked shm accessors, the
forbid(unsafe_code) ChannelClient state machine, WDF request tokens) — the pad
drivers' logic is 100% safe Rust; whole drivers workspace clippy-gated in CI.

driver install --gamepad now sweeps SWD\punktfunk phantom devnodes: a re-created
SwDevice REVIVES the old devnode with its previously-bound driver (never
re-ranks), so an upgrade otherwise leaves the old driver serving — or, across
the v1→v2 fence, a dead pad (found live on the RTX box).

On-glass validated on the RTX 4090 box: frame path 7007 frames p50 2.06 ms
cross-machine; DualSense + XUSB "sealed pad channel mapped"/proto=2 attach via
both the test harness and a real streaming session; phantom-sweep repro.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-03 12:08:56 +00:00

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TOML

# pf-dualsense - punktfunk virtual DualSense (DS5) / DualShock 4 (DS4) UMDF2 HID minidriver.
# A member of the in-tree drivers workspace (shares the vendored wdk-sys/wdk-build with the bindgen pin
# + the crt-static .cargo/config), built from source per release like pf-vdisplay.
[package]
name = "pf-dualsense"
edition.workspace = true
version.workspace = true
license.workspace = true
publish = false
description = "punktfunk virtual DualSense / DualShock 4 UMDF2 HID minidriver"
[package.metadata.wdk.driver-model]
driver-type = "UMDF"
umdf-version-major = 2
target-umdf-version-minor = 31
[lib]
crate-type = ["cdylib"]
[build-dependencies]
wdk-build.workspace = true
[dependencies]
wdk.workspace = true
wdk-sys.workspace = true
pf-driver-proto.workspace = true
pf-umdf-util.workspace = true
[features]
default = ["hid"]
hid = ["wdk-sys/hid"]
nightly = ["wdk-sys/nightly", "wdk/nightly"]