afunix-agent Nanamiiiii
Use this command to install afunix-agent with WinGet:
winget install --id=Nanamiiiii.afunix-agent -e Exposes the Pageant-compatible interface provided by GnuPG gpg-agent through a native Windows AF_UNIX socket.
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README
afunix-agent
afunix-agent exposes a Windows SSH agent backend through a native Windows
AF_UNIX socket. The initial backend is the Pageant-compatible interface exposed
by GnuPG gpg-agent with enable-putty-support.
Requirements
- Windows 10 version 1803 or later
- GnuPG
gpg-agentconfigured withenable-putty-support - Rust 1.98.1 or later when building from source
Installation
Install the latest stable release with WinGet:
winget install --exact --id Nanamiiiii.afunix-agent
Alternatively, download the Windows x64 archive from
GitHub Releases, extract it,
and place afunix-agent.exe on PATH.
Build
cargo build --release
Usage
Start the background daemon:
afunix-agent start
The background daemon does not retain the caller's redirected input/output
pipes, so capturing the output of start does not wait for the daemon to stop.
Run it in the foreground:
afunix-agent serve
Use a custom socket path:
afunix-agent start --socket "$HOME\.ssh\wezterm-agent.sock"
Inspect and control the daemon:
afunix-agent status
afunix-agent status --json
afunix-agent socket
afunix-agent restart
afunix-agent stop
Set the socket for the current PowerShell session:
$env:SSH_AUTH_SOCK = afunix-agent socket
The default socket is %USERPROFILE%\.ssh\ssh-agent.sock.
Release process
The .github/workflows/release.yml workflow runs for tags named vX.Y.Z or
vX.Y.Z-prerelease. The tag version must exactly match the package version in
Cargo.toml.
Before publishing the first stable release, add a repository Actions secret named
WINGET_CREATE_GITHUB_TOKEN. It must contain a GitHub personal access token
(classic) with the public_repo scope; fine-grained tokens are not supported by
wingetcreate. The token is used only to create a pull request in
microsoft/winget-pkgs.
To publish a release:
- Update the version in
Cargo.tomland refreshCargo.lockwithcargo check. - Commit the version change.
- Create and push the matching tag, for example
v0.1.0.
The workflow checks formatting, tests, and Clippy before building the Windows x64 binary. It publishes the executable, a ZIP archive, and SHA-256 checksum files to a GitHub Release. Stable versions also generate and submit the WinGet manifests; prerelease versions skip WinGet submission.
GnuPG configuration
Add the following settings to gpg-agent.conf and restart gpg-agent:
enable-ssh-support
enable-putty-support
The backend discovers Pageant for every SSH agent request, so restarting
gpg-agent does not require restarting afunix-agent. Pageant transactions use
an 8 KiB shared-memory mapping and a 30-second Windows message timeout. The
proxy rejects SSH agent payloads larger than 256 KiB before allocation; the
Pageant backend additionally rejects wire frames larger than its 8 KiB mapping.
Lifecycle
The background start command launches serve and polls the control pipe until
the daemon reports its status. restart reads the active configuration, stops
the daemon, waits for singleton release, and starts the same configuration.
A sidecar file ending in .afunix-agent-owned records the Windows file identity
of the managed AF_UNIX endpoint. It allows recovery after an unclean shutdown
without deleting an unrelated socket or regular file. Both files are removed
after a graceful shutdown.
Security
The daemon listens only on a native Windows AF_UNIX socket. The socket, ownership marker, control named pipe, and single-instance mutex use current-user-only Windows ACLs. Control clients verify that the named-pipe server runs as the current user. SSH agent request and response payloads are never logged.