flatcar-update: Replace ncat with socat #124
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The payload server already uses socat, so let's use the same for response server. We do it, because we are about to replace nmap's ncat with openbsd netcat due to licensing issues.
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krnowak
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chewi
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Aug 1, 2024
Copy pasta from the socat setup for the payload server. :) |
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This replaces ncat with socat, because ncat will be replaced with some openbsd variant, which doesn't have an option for running a script on the established connection. We already are using socat for serving the payload, so this just follows suit.
Testing:
wget https://raw.githubusercontent.com/flatcar/init/krnowak/openbsd-netcat/bin/flatcar-updatewget https://bincache.flatcar-linux.net/images/amd64/4048.0.0+nightly-20240731-2100/flatcar_test_update.gzwget https://bincache.flatcar-linux.net/images/amd64/4048.0.0+nightly-20240731-2100/flatcar_test_update-oem-qemu.gzsudo ./flatcar-update --to-version 4048.0.0+nightly-20240731-2100 --to-payload flatcar_test_update.gz --extension flatcar_test_update-oem-qemu.gz --force-dev-key