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FileAnalysis: add custom libmagic database.

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- It's derived from the magic database of libmagic 5.14, but with most
  everything not related to mime types removed.

- The custom database is always used by default for mime detection, but
  the more verbose file type detection will fall back on the default
  libmagic installation's database.  The result is: mime type strings
  are now guaranteed to be consistent across platforms, but the verbose
  file type descriptions are not.

- The custom database gets installed in $prefix/share/bro/magic, and
  should even be extensible if files with new patterns are added inside
  the directory.

- The search path for the mime magic database can be controlled via
  BROMAGIC environment variable.

- Remove mime_desc field from ftp.log.

- Stop using the mime/file type canonifier with unit tests.

- libmagic >= 5.04 is now a requirement.
This commit is contained in:
Jon Siwek 2013-04-12 11:58:19 -05:00
parent b8c98b8bf7
commit 037d582b0e
106 changed files with 2951 additions and 174 deletions
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# See COPYING file in this directory for original libmagic copyright.
#------------------------------------------------------------------------------
# $File: ruby,v 1.4 2010/07/08 20:24:13 christos Exp $
# ruby: file(1) magic for Ruby scripting language
# URL: http://www.ruby-lang.org/
# From: Reuben Thomas <rrt@sc3d.org>
# Ruby scripts
0 search/1/w #!\ /usr/bin/ruby Ruby script text executable
!:mime text/x-ruby
0 search/1/w #!\ /usr/local/bin/ruby Ruby script text executable
!:mime text/x-ruby
0 search/1 #!/usr/bin/env\ ruby Ruby script text executable
!:mime text/x-ruby
0 search/1 #!\ /usr/bin/env\ ruby Ruby script text executable
!:mime text/x-ruby
# What looks like ruby, but does not have a shebang
# (modules and such)
# From: Lubomir Rintel <lkundrak@v3.sk>
0 regex \^[\ \t]*require[\ \t]'[A-Za-z_/]+'
>0 regex include\ [A-Z]|def\ [a-z]|\ do$
>>0 regex \^[\ \t]*end([\ \t]*[;#].*)?$ Ruby script text
!:mime text/x-ruby
0 regex \^[\ \t]*(class|module)[\ \t][A-Z]
>0 regex (modul|includ)e\ [A-Z]|def\ [a-z]
>>0 regex \^[\ \t]*end([\ \t]*[;#].*)?$ Ruby module source text
!:mime text/x-ruby