mirror of
https://github.com/jmcorgan/fips.git
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Origami74
c8b7459fbc
Add a complete example running a strfry Nostr relay exclusively over the FIPS mesh using the sidecar pattern. Includes Docker Compose stack, network isolation via iptables, .fips DNS resolution, nak CLI, build script with cross-compilation support, and documentation. Also fix the package-openwrt.yml workflow path to match the openwrt → openwrt-ipk directory rename.
175 lines
4.7 KiB
Markdown
175 lines
4.7 KiB
Markdown
# FIPS OpenWrt Package
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This directory is an OpenWrt feed package that builds and installs FIPS on any
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OpenWrt 22.03+ router via the standard `opkg` package system.
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For ad-hoc deployment without the build system, see
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[`deploy/native/`](../../deploy/native/README.md) instead.
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## Package contents
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| Installed path | Purpose |
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| `/usr/bin/fips` | Mesh daemon |
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| `/usr/bin/fipsctl` | CLI control tool (`fipsctl peers`, `fipsctl links`, …) |
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| `/usr/bin/fipstop` | Live TUI dashboard |
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| `/etc/init.d/fips` | procd service (auto-start, crash respawn) |
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| `/etc/fips/fips.yaml` | Node configuration (edit before first start) |
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| `/etc/fips/firewall.sh` | Firewall helper — accepts traffic on `fips0` |
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| `/etc/dnsmasq.d/fips.conf` | Forwards `.fips` DNS queries to the daemon |
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| `/etc/sysctl.d/fips-bridge.conf` | `br_netfilter` settings for Ethernet transport |
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| `/etc/hotplug.d/net/99-fips` | Applies firewall rules when `fips0` comes up |
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| `/etc/uci-defaults/90-fips-setup` | First-boot kernel module and firewall setup |
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| `/lib/upgrade/keep.d/fips` | Preserves `/etc/fips/` across `sysupgrade` |
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## Requirements
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### Build host
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| Requirement | Notes |
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| OpenWrt SDK 22.03+ | Older versions lack fw4 / nftables support |
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| Rust host toolchain | Enable in `make menuconfig` → Advanced → Rust, or install rustup |
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| Rust target for your router | Added automatically by the Makefile via `rustup target add` |
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### Router
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| Requirement | Notes |
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|---|---|
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| `kmod-tun` | Required for `fips0` TUN interface |
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| `kmod-br-netfilter` | Required for Ethernet transport on bridge member ports |
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Both kernel modules are listed as package dependencies (`DEPENDS`) and will be
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installed automatically by `opkg`.
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## Target architectures
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The Makefile maps the OpenWrt `ARCH` variable to the correct Rust musl target:
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| OpenWrt `ARCH` | Rust target |
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|---|---|
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| `aarch64` | `aarch64-unknown-linux-musl` |
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| `x86_64` | `x86_64-unknown-linux-musl` |
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| `mipsel` | `mipsel-unknown-linux-musl` |
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| `mips` | `mips-unknown-linux-musl` |
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| `arm` | `arm-unknown-linux-musleabihf` |
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To add a missing architecture, add an `ifeq` block in `Makefile` mapping the
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OpenWrt `ARCH` value to the Rust target triple.
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## Building with the OpenWrt SDK
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### 1. Obtain the SDK
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Download the SDK for your router's target from
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[downloads.openwrt.org](https://downloads.openwrt.org) and extract it.
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### 2. Add this package
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Copy or symlink this directory into the SDK's `package/` tree:
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```bash
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# From inside the SDK root:
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ln -s /path/to/fips/packaging/openwrt package/fips
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```
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Or add the FIPS repository as a feed in `feeds.conf`:
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```
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src-git-full fips https://github.com/jmcorgan/fips.git
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```
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Then update and install feeds:
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```bash
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./scripts/feeds update fips
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./scripts/feeds install -a -p fips
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```
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### 3. Build
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```bash
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make package/fips/compile V=s
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```
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The resulting `.ipk` is placed in `bin/packages/<arch>/`.
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### 4. Pin the source version
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For reproducible production builds, replace `PKG_SOURCE_VERSION:=master` in
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`Makefile` with a specific commit SHA and set `PKG_MIRROR_HASH` to the correct
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hash (or keep `skip` for development):
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```makefile
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PKG_SOURCE_VERSION:=bf117dfabc123... # full 40-char SHA
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PKG_MIRROR_HASH:=skip
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```
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## Installing on the router
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```bash
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scp bin/packages/<arch>/fips_0.1.0-1_<arch>.ipk root@192.168.1.1:/tmp/
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ssh root@192.168.1.1 opkg install /tmp/fips_0.1.0-1_<arch>.ipk
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```
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## First-time configuration
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Edit `/etc/fips/fips.yaml` on the router before starting the daemon:
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```bash
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ssh root@192.168.1.1
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vi /etc/fips/fips.yaml
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```
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The default config enables:
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- Persistent identity (key generated on first start, saved to `/etc/fips/fips.key`)
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- TUN interface `fips0`
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- DNS responder on `127.0.0.1:5354`
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- UDP transport on `0.0.0.0:2121`
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For Ethernet transport, uncomment the `ethernet:` section and set the correct
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physical interface names for your router. **Always use physical port names
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(`eth0`, `eth1`), never bridge names (`br-lan`).** See
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[`deploy/native/README.md`](../../deploy/native/README.md) for details.
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## Service management
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```bash
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/etc/init.d/fips start
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/etc/init.d/fips stop
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/etc/init.d/fips restart
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/etc/init.d/fips enable # start at boot (already enabled by opkg postinstall)
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/etc/init.d/fips disable
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```
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## Inspection and logs
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```bash
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# Peer table
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fipsctl peers
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# Active sessions
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fipsctl sessions
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# Transport links
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fipsctl links
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# Live TUI dashboard
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fipstop
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# Daemon logs (OpenWrt syslog)
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logread | grep fips
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```
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## Upgrading
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Install the new `.ipk` over the existing one:
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```bash
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opkg install --force-reinstall fips_<new-version>_<arch>.ipk
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```
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The config in `/etc/fips/fips.yaml` and the identity key `/etc/fips/fips.key`
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are preserved by `opkg` (the yaml is installed as a conffile; the key is not a
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package file). Both survive `sysupgrade` via `/lib/upgrade/keep.d/fips`.
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