db/filters.py
"""
LEGION (https://shanewilliamscott.com)
Copyright (c) 2024 Shane Scott
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along with this program.
If not, see <http://www.gnu.org/licenses/>.
Author(s): Shane Scott (sscott@shanewilliamscott.com), Dmitriy Dubson (d.dubson@gmail.com)
"""
from db.validation import sanitise
def applyFilters(filters):
query_filter = ""
query_filter += applyHostsFilters(filters)
query_filter += applyPortFilters(filters)
return query_filter
def applyHostsFilters(filters):
query_filter = ""
if not filters.down:
query_filter += " AND hosts.status != 'down'"
if not filters.up:
query_filter += " AND hosts.status != 'up'"
if not filters.checked:
query_filter += " AND hosts.checked != 'True'"
for word in filters.keywords:
query_filter += (f" AND (hosts.ip LIKE '%{sanitise(word)}%'"
f" OR hosts.osMatch LIKE '%{sanitise(word)}%'"
f" OR hosts.hostname LIKE '%{sanitise(word)}%')")
return query_filter
def applyPortFilters(filters):
query_filter = ""
if not filters.portopen:
query_filter += " AND ports.state != 'open' AND ports.state != 'open|filtered'"
if not filters.portclosed:
query_filter += " AND ports.state != 'closed'"
if not filters.portfiltered:
query_filter += " AND ports.state != 'filtered' AND ports.state != 'open|filtered'"
if not filters.tcp:
query_filter += " AND ports.protocol != 'tcp'"
if not filters.udp:
query_filter += " AND ports.protocol != 'udp'"
return query_filter