dsh-ssh-tunnel

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DeepSeek Harness community plugin: multi-host SSH tunnel + SSHManager for dsh-better-sidebar.

• Host inventory + secrets (never exposed to the model)
• Project-scoped authorization (projectPathKey = workspace cwd)
• Model tool SSHManager (exec, SFTP, session strategies)
• Sidebar tab for connect / grants
• Center overlay: interactive terminal (xterm) and dual-pane SFTP

Does not replace global fs / subprocess with a single remote disk.

Companion: dsh-git-forge (Git credentials + push policy).

Credits / prior art

Product shape and several UX patterns are informed by open-source LiveAgent (multi-host SSH inventory, project-scoped access, sidebar tunnel management, center terminal / SFTP surfaces).

This package is a DSH-native implementation (Cordis host/client plugin, dsh-better-sidebar tab, SSHManager tool, DSH-local secret layout). It is not a git fork of LiveAgent and does not vendor LiveAgent sources. Consult LiveAgent under its own license when comparing designs.

Requirements

• DSH web profile with dsh-better-sidebar (≥ 0.12)
• Node.js 18+
• Network access to your SSH targets

Install

macOS / Linux:

curl -fsSL https://raw.githubusercontent.com/thirsty5034/dsh-ssh-tunnel/main/scripts/install.sh | bash

Windows (PowerShell):

irm https://raw.githubusercontent.com/thirsty5034/dsh-ssh-tunnel/main/scripts/install.ps1 | iex

Or CLI (GitHub source until npm publish):

export DSH_HOME=${DSH_HOME:-$HOME/.dsh}
dsh plugin --profile web add "dsh-ssh-tunnel@github:thirsty5034/dsh-ssh-tunnel"
dsh --profile web --dump-config | grep ssh-tunnel

Restart DSH web after host-side changes, then hard-refresh the browser.

bash scripts/install.sh --restart
bash scripts/install.sh --from npm 0.3.6
dsh plugin --profile web add "dsh-ssh-tunnel@link:/path/to/dsh-ssh-tunnel"

Discoverability

• GitHub topics: dsh-plugin, deepseek-harness, dsh (required for dsh.so auto-index)
• Install from GitHub (current): see Install above
• Store listings may lag crawlers; source of truth is this repository

Data layout

Under $DSH_HOME/ssh-tunnel/ (mode 0700):

Sidebar

1. Hosts — CRUD, OpenSSH scan import
2. Project access — which hosts the current project may use (grant before connect; Connect does not auto-authorize)
3. Sessions — Connect / disconnect; open Terminal or SFTP

Model tool

SSHManager action=list_hosts
SSHManager action=exec host_id=<id> command="uname -a"
SSHManager action=sftp_list host_id=<id> path=/

Session strategies: reuse_or_create (default), new, require_existing, or explicit session_id.
keyboardInteractive hosts are never auto-dialed by the tool; connect in the UI first.

Security

• Tool and list APIs must not return password / PEM / passphrase
• Local upload/download paths are constrained to the project root and /workspace
• Host keys are stored as SHA256 hex in known_hosts.json; first connect / rotation prompts in the sidebar (fingerprint shown)
• HTTP API is fenced like other DSH local plugins (loopback / trusted hosts)
• Prefer key-based auth; rotate secrets if secrets.json may have leaked

Internationalization (UI)

• Namespace: sshTunnel
• Dictionaries: zh / en on ctx.locale
• Tab title and panel track DSH locale preference live

Host SSHManager strings stay English (model-facing).

Development

npm test
npm run check
./scripts/sync-to-dsh.sh   # requires DSH_HOME; keeps local-plugins copy

xterm loading

Prefers a bundled @xterm/xterm when available; otherwise falls back to jsDelivr CDN (needs network / CSP allowlist).

License

MIT — see LICENSE.