106 lines
3.4 KiB
Bash
Executable File
106 lines
3.4 KiB
Bash
Executable File
#!/bin/bash
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#
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# .---. . .
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# | | |
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# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
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# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
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# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
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#
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# Freedom in the Cloud
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#
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# Intrusion detection application
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#
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# License
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# =======
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#
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# Copyright (C) 2014-2016 Bob Mottram <bob@robotics.uk.to>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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function backup_local_tripwire {
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echo -n ''
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}
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function backup_remote_tripwire {
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echo -n ''
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}
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function remove_tripwire {
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if ! grep -Fxq "tripwire" $COMPLETION_FILE; then
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return
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fi
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apt-get -yq remove --purge tripwire
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if [ -d /etc/tripwire ]; then
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rm -rf /etc/tripwire
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fi
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rm /usr/bin/reset-tripwire
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sed -i '/tripwire/d' $COMPLETION_FILE
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}
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function install_tripwire {
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if [[ $(is_completed $FUNCNAME) == "1" ]]; then
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return
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fi
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apt-get -yq install tripwire
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apt-get -yq autoremove
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cd /etc/tripwire
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cp site.key $DEFAULT_DOMAIN_NAME-site.key
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echo '*** Installing intrusion detection ***'
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echo '
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' | tripwire --init
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# make a script for easy resetting of the tripwire
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echo '#!/bin/sh' > /usr/bin/reset-tripwire
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echo 'tripwire --update-policy --secure-mode low /etc/tripwire/twpol.txt' >> /usr/bin/reset-tripwire
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chmod +x /usr/bin/reset-tripwire
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sed -i 's/SYSLOGREPORTING.*/SYSLOGREPORTING =false/g' /etc/tripwire/twcfg.txt
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# only send emails if something has changed
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sed -i 's|MAILNOVIOLATIONS.*|MAILNOVIOLATIONS = false|g' /etc/tripwire/twcfg.txt
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sed -i '/# These files change the behavior of the root account/,/}/ s/.*//g' /etc/tripwire/twpol.txt
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sed -i 's|/etc/rc.boot.*||g' /etc/tripwire/twpol.txt
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# Don't show any changes to /proc
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sed -i 's|/proc.*||g' /etc/tripwire/twpol.txt
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# Don't report log changes
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sed -i 's|/var/log.*||g' /etc/tripwire/twpol.txt
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# Ignore /etc/tripwire
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if ! grep -q '!/etc/tripwire' /etc/tripwire/twpol.txt; then
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sed -i '\|/etc\t\t->.*|a\ !/etc/tripwire ;' /etc/tripwire/twpol.txt
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fi
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# ignore tt-rss cache
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if ! grep -q '!/etc/share/tt-rss/cache' /etc/tripwire/twpol.txt; then
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sed -i '\|/etc\t\t->.*|a\ !/etc/share/tt-rss/cache ;' /etc/tripwire/twpol.txt
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fi
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if ! grep -q '!/etc/share/tt-rss/lock' /etc/tripwire/twpol.txt; then
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sed -i '\|/etc\t\t->.*|a\ !/etc/share/tt-rss/lock ;' /etc/tripwire/twpol.txt
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fi
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# Avoid logging the changed database
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sed -i 's|$(TWETC)/tw.pol.*||g' /etc/tripwire/twpol.txt
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# recreate the configuration
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echo '
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' | twadmin --create-cfgfile -S /etc/tripwire/site.key /etc/tripwire/twcfg.txt
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# reset
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echo '
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' | reset-tripwire
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mark_completed $FUNCNAME
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}
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# NOTE: deliberately no exit 0
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