[File] How to detect go mac executables with magic.h?

Matthew Czarnek matthew.czarnek at verizonmedia.com
Tue May 25 21:52:26 UTC 2021


I've been using this go library to detect file types to block our users
from uploading exes:

On a mac it is capable of using the magic.h header to detect the file type
of a go program compiled for mac as mime type "application/x-mach-binary",
on Linux however, it is not able to detect those executables, only
executables compiled for Linux. I'm guessing this is a matter of not having
this file type registered in the magic database/file containing all the
magic numbers?

This is the beginning of the file:


Is it possible to add this/fix this for my own version or the next release?

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