Download the requested rules tarball into a temporay file
and if every thing is fine, replace the old by the
downloaded one.
In addition with the previously implemented file size check,
we are saved now from a corrupt rules tarball on disk.
Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
The downloader now requests the html header for the rulestarball
and obtain the size of the file bevore downloading it.
After success the size of the downloaded file will be compared with
the requested one before. If they do not match, an error will be gained.
Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
* Use a directory listing and delete the files.
* Keep files with "config" as file extension.
Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
This private function is used to remove any files which are stored in the
IDS rules directory and prevent from any old (unneeded or conflicting) files
after an update or complete change of the ruleset source.
Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
This function checks if all files located in /etc/suricata/rules are
writable by the effective user and group (nobody:nobody) and if not
calls suricatactl to fix it.
Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
This generic function can be used to create any kind of emtpy files -
it just requires the full path and filename to work.
If the specified file exists at calltime, the function will abort
to prevent from overwriting existing files and content.
Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
The get_available_network_zones() function uses the /var/ipfire/ethernet/settings
file and translates the configured mode into an array, which contains the names
of the configured network zones.
The array will be returned and easily can be used to loop over this list of
available network zones and perform any kind of actions in other scripts.
Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
The $settingsdir variable is declared in the ids-functions.pl and used to to
store the path where the various files which contains the settings for the IDS and
oinkmaster is located.
Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
This will help if the path ever changed. Also remove hard coded rulepath
from oinkmaster call.
Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
* Drop function to show a notice about snort is working.
* Introduce the log_error function which is responsible for log any
error messages. Currently it writes it to a tempory file, which will
be read by the WUI, the message will be displayed and the temporary file
will be released again.
* Introduce a tiny function to easily perform a reload of the generated
webpage.
Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
This library will contain a set of functions used by the IDS CGI script
and the planned update script for auto-updating the snort ruleset.
Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
