Bug#791486: /usr/bin/rkhunter: 7439: [: Binary: unexpected operator

[Francois Marier]

On 2015-07-05 at 16:52:04, Pedro Beja wrote:
> doing an update I get the following error line:
> 
> $ sudo rkhunter --update

[snip]

> /usr/bin/rkhunter: 7439: [: Binary: unexpected operator
>   Checking file i18n/tr                                        [ No update ]
>   Checking file i18n/tr.utf8                                 [ No update ]
> /usr/bin/rkhunter: 7439: [: Binary: unexpected operator
>   Checking file i18n/zh                                       [ No update ]
>   Checking file i18n/zh.utf8                                [ No update ]

This seems to happen only on non-English locales. Try this (as root):

  LANG=C rkhunter --update

If I output the variables from line 7439 on a fr_CA locale, I get this:

  Checking rkhunter data files...
    Checking file mirrors.dat                                  [ No update ]
    Checking file programs_bad.dat                             [ No update ]
    Checking file backdoorports.dat                            [ No update ]
    Checking file suspscan.dat                                 [ No update ]
  PROG_VERS=2009091601; LATEST_VERS=2009091601
    Checking file i18n/cn                                      [ No update ]
  PROG_VERS=2014010301; LATEST_VERS=2014010301
    Checking file i18n/de                                      [ No update ]
  PROG_VERS=2013112401; LATEST_VERS=2013112401
    Checking file i18n/en                                      [ No update ]
  PROG_VERS=Fichier binaire /var/lib/rkhunter/db/i18n/tr correspondant; LATEST_VERS=2014030201
  /usr/bin/rkhunter: 7440: [: Fichier: unexpected operator
    Checking file i18n/tr                                      [ No update ]
  PROG_VERS=2014030201; LATEST_VERS=2014030201
    Checking file i18n/tr.utf8                                 [ No update ]
  PROG_VERS=Fichier binaire /var/lib/rkhunter/db/i18n/zh correspondant; LATEST_VERS=2009091601
  /usr/bin/rkhunter: 7440: [: Fichier: unexpected operator
    Checking file i18n/zh                                      [ No update ]
  PROG_VERS=2009091601; LATEST_VERS=2009091601
    Checking file i18n/zh.utf8                                 [ No update ]

The attached patch to the cronjob in /etc is a work-around until this is
fixed upstream.

Francois
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