Public bug reported:
The default `/etc/apache2/magic` file that comes with apache2 seems to
be broken.
I don't know what exactly is the problem, but here are a few details
that demonstrate that it is indeed broken:
* echo -e "<!DOCTYPE HTML>\nblah blah" > /tmp/foo
* file -m /etc/apache2/magic /tmp/foo
=> Shows a bunch of "string modifier `B' invalid" warnings
and finally: "could not find any valid magic files!"
* Trying to fetch this file via apache for a configuration that has
"a2enmod mime_magic" results in no Content-Type header
* Now, get the original magic file from
https://raw.githubusercontent.com/apache/httpd/trunk/docs/conf/magic
drop it in the same place:
=> the `file` command now works as expected,
=> fetching the file via apache has the expected Content-Type header
* Alternatively, modify the original magic file by removing all "B" modifiers
(on lines 187, 402, 403, 404, 405, 622, 627, 631, 632)
=> both the `file` command and the header from apache work
---
version information:
$ lsb_release -rd
Description: Ubuntu 22.04.1 LTS
Release: 22.04
$ apt-cache policy apache2
apache2:
Installed: 2.4.52-1ubuntu4.2
Candidate: 2.4.52-1ubuntu4.2
Version table:
*** 2.4.52-1ubuntu4.2 500
500 http://us.archive.ubuntu.com/ubuntu jammy-updates/main amd64
Packages
100 /var/lib/dpkg/status
2.4.52-1ubuntu4.1 500
500 http://us.archive.ubuntu.com/ubuntu jammy-security/main amd64
Packages
2.4.52-1ubuntu4 500
500 http://us.archive.ubuntu.com/ubuntu jammy/main amd64 Packages
** Affects: apache2 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2003709
Title:
Apache2 magic mime file is broken (2.4.52-1ubuntu4.2)
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