Make reproducible release tarballs
I check the SHA sum of the ISPConfig tarballs before I install them.
The SHA 256 sum of the 3.2.5 release at https://www.ispconfig.org/downloads/ISPConfig-3.2.5.tar.gz changed from
That made me suspicious (could have easily been a hack that replaced the original release with a malicious one) – but the two tarballs extract to the very same directory tree (I had the earlier version laying around to check).
Looks like the tarball was re-created recently (maybe to test !1496 (merged)?). The tar and gzip file format include metadata (like the current PID or the current time) that make two tar+gzip archives of the same directory tree binary different even if they extract to the same directory tree.
Please consider to either
- never ever overwrite a published release (e.g. skip uploading if there is a file with the same name) or
- make the tarballs reproducible.
Also, "offical" SHA 256 sums in the release blog post would be wonderful