76 lines
3.2 KiB
Markdown
76 lines
3.2 KiB
Markdown
# PiLens
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PiLens turns a Raspberry Pi into a self-contained Wi-Fi test network with packet
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capture and Wireshark-grade analysis in the browser. You connect an **authorised**
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test device to the Pi's access point and watch its traffic: live packets, a
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protocol tree from TShark, and the original bytes with field highlighting. The
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original captures are kept unmodified, with SHA-256 integrity hashes.
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No cloud service, account or internet connection is needed for management,
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capture or analysis.
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> **Use it only on devices and networks you own or are explicitly authorised to
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> inspect.** PiLens has no covert, impersonation or credential-harvesting
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> features. Encrypted traffic (HTTPS, QUIC, VPNs, encrypted DNS) stays encrypted:
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> in this version PiLens shows packets and metadata, not decrypted content.
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## Status
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| Phase | Scope | State |
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| 1 | Installer, services, auth, AP / DHCP / DNS / firewall, health | implemented |
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| 2 | dumpcap capture, pcapng storage, live analyser, filters, export / import | implemented |
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| 3 | Conversations, follow TCP stream, DNS/TLS explorers, statistics | implemented (HTTP explorer deferred) |
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| 4 | Optional HTTPS inspection (mitmproxy, client-trusted CA) | not started |
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| 5 | Hardening, Findings, benchmarks, dependency audits | implemented |
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HTTP Explorer (Phase 3 in the spec) is deferred with Phase 4, since useful HTTP content requires interception. Pages for later phases are not in the UI. PiLens never shows controls that do
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nothing. For what was tested and how, see [docs/testing.md](docs/testing.md).
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## Quick start
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On a Raspberry Pi 4/5 with Raspberry Pi OS Lite (64-bit, Bookworm or Trixie),
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connected by **Ethernet**:
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```sh
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tar xzf pilens-<version>-linux-arm64.tar.gz
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cd pilens-<version>-linux-arm64
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sudo ./install.sh
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```
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The installer prints the management URL, the certificate fingerprint and a
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one-time setup token. Open the URL from a machine on the management network and
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complete the setup wizard. The wizard creates the access point and turns the
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Wi-Fi interface into the AP, so **manage the Pi over Ethernet**.
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For unattended installation: `sudo ./install.sh --non-interactive --config setup.yaml`
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(see `setup.example.yaml`).
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## Building
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Requirements: Go ≥ 1.24, Node ≥ 20. Docker is used only for the test suite.
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```sh
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make package # dist/pilens-<ver>-linux-arm64.tar.gz (cross-compiled, static)
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make test # unit tests + TypeScript typecheck
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make test-docker # tshark/dumpcap tests + network-namespace integration suite
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```
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## Documentation
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- [Architecture and design decisions](docs/architecture.md)
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- [Installation, first run, upgrade and recovery](docs/operations.md)
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- [Network topology and firewall policy](docs/network.md)
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- [Security and privacy model](docs/security.md)
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- [Forensic evidence handling](docs/forensics.md)
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- [API](docs/api.md)
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- [Benchmarks](docs/benchmarks.md)
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- [Testing and hardware acceptance checklist](docs/testing.md)
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- [Known limitations](docs/limitations.md)
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## Licence
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AGPL-3.0-or-later. Bundled JavaScript dependencies (React, MIT) are compatible.
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TShark/dumpcap (GPL-2.0+), dnsmasq (GPL-2.0/3.0) and nftables (GPL-2.0) are
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installed from Debian packages and run as separate programs.
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