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Add ARI support to getssl#894

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kenh wants to merge 1 commit intosrvrco:masterfrom
kenh:ari-support
Open

Add ARI support to getssl#894
kenh wants to merge 1 commit intosrvrco:masterfrom
kenh:ari-support

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@kenh kenh commented Apr 10, 2026

This is a patch implementing ARI (RFC9773) support for getssl. I will admit that I haven't actually tested it yet with a certificate within the ARI renewal window; the shortlived certificate I got will enter the renewal window tomorrow so I will test it then, but I wanted to get some preliminary feedback regarding style, any suggestions for code changes, etc etc. I took a guess at the busybox support for the date command. I am not convinced the logic about using ARI support when you also set RENEW_ALLOW is correct; I welcome any improvements there.

As a side note I saw that profile support was added (yay!) but I am not convinced that you are supposed to pick the first profile in the list provided by the server if the client doesn't specify one. My reading of the I-D is that if you want to take the 'default' you should omit the profile completely and let the server decide. It's entirely possible I am wrong.

Add support for ACME Renewal Information (ARI) to getssl.  If we
are past the start window for certificate renewal add the certificate
identifier to the new order request.
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kenh commented Apr 14, 2026

I've tested this with a certificate that had passed the ARI window, and it worked fine. Unfortunately it wasn't WITHIN the ARI window (because it was in the middle of the night and I couldn't stay up that late on that day), but I checked the boulder source code and boulder will reject a order with a invalid "replaces" element so I feel confident that it is at least well-formed. I'll try doing a renewal within the ARI window later this week. Again, any feedback welcome; I'd like to get this merged.

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