ScottW514
11031ad87f
The gnutls bbappend builds GnuTLS with --enable-ktls and installs /etc/gnutls/config with ktls = true, so after the handshake the kernel seals and opens forgectrl's HTTPS records (the kernel side is meta-openglow's CONFIG_TLS and patch 0016). It also backports GnuTLS dc016daf: 3.8.4 hands the kernel the record sequence number where a TLS 1.2 ChaCha20-Poly1305 connection's IV belongs, so every such connection failed the kernel's first decryption. forgectrl is the only program on the image that links GnuTLS. forgectrl.tls-records, in its own module (suite/tlsrec.py), reads the result from the outside with openssl s_client on loopback: a desktop offer (AES-GCM first) gets ChaCha20-Poly1305 over TLS 1.3 and 1.2 and the kernel takes both directions' keys; an AES-128-GCM-only offer, three times over each protocol, gets it, the kernel takes its keys, and the CAAM's job-ring interrupt counts the records; a TLS 1.2 CBC-only offer connects and stays in GnuTLS (the control for the kernel's counters); every copy of the panel page equals the plain-HTTP copy byte for byte, with no decrypt error; the kernel's drivers are rfc7539(chacha20-neon,poly1305-neon) and ctr-aes-caam with ghash-ce. Proof: on the image before these fixes the test failed on both bugs it names (the TLS 1.2 ChaCha20 page arrived empty with a decrypt error; the AES-GCM pages arrived damaged); on image 20260927224418 it passes. The unit suite (500 tests) and the coverage lint (0 uncovered paths) pass on the host.
OpenGlow / ForgeFIRM firmware for Glowforge
BETA
ForgeFIRM is in beta. Every release below 0.1.0 is a beta release. Expect problems, and expect frequent updates. Upgrade whenever a newer release is available, and report what you find on the community forum.
Open firmware for Glowforge brand CNC lasers. ForgeFIRM replaces the cloud-dependent factory software on the stock control board, with no hardware modification, and gives the machine a local controller, a local web control panel, and a standard Grbl interface. The factory cloud experience stays available as an option.
This repository is the base of the build and of the release: the
meta-forgefirm Yocto layer, the kas configuration, the image recipes, the
install and release scripts, the acceptance tool (forgetest/), the bench
tools (scripts/bench/), the bench actuator firmware (fixture/), and the
release artifacts (releases/).
Start here
https://docs.forgefirm.org/ is the documentation, and the source of truth for every fact about the machine and the firmware.
| Read this first | Safety |
| Put it on a machine | Installation |
| Use it | Usage, LightBurn |
| How the machine works | Technical |
| How ForgeFIRM works with it | ForgeFIRM internals |
| Build, test, release | Developers |
| Downloads | Releases |
| Questions | Community forum |
Build
kas build kas/forgefirm-glowforge.yml
Build covers the host setup, the two images, the source variant and the debug kernel. Release flow covers the pins, the push order and the signing pipeline.
Test
cd forgetest && python3 -m unittest discover -s tests -v
The acceptance catalog that gates a release, and the bench tools, are on Acceptance and The bench.
Contributing
AGENTS.md carries the rules for this repository and for the project: safety ordering, proof before done, the push order, and the writing rules. They apply to human contributors too, and Contribute is the same set on the site.
What this costs
Nothing. ForgeFIRM is free in both senses, under MIT and GPL licenses. There is no paid tier, no license key, no subscription and no Pro edition. If someone offers to sell it to you, the licenses allow it, but what you take home is their build rather than this one: get it from the source.
Safety
These machines contain a CO2 laser: it burns, blinds, and starts fires. Never defeat the lid switches or the interlock. Never leave a running job unattended. Keep a fire extinguisher within reach. Read Safety before you cut your first job, and Regulatory and legal before you install.
This is experimental software. Use of it could seriously maim or kill you or others, and it may void your warranty. Use it at your own risk.
Glowforge is a trademark of Glowforge, Inc. This project is not affiliated with, authorized by, or endorsed by Glowforge, Inc.