LibrePortal/scripts/install/install_ufw.sh
librelad 014d8e5fcc refactor(de-sudo): funnel genuine system commands through runSystem
Foundation for a scoped sudoers: route every genuine system-admin command
(systemctl/ufw/ufw-docker/nft/apt/apt-get/pacman/sysctl/useradd/usermod/
service/wg/wg-quick/cscli/loginctl) through runSystem instead of raw sudo
across 28 active scripts. runSystem is 'sudo "$@"' so this is byte-identical
in every mode (safe on live installs) — it just collects all real-root use at
one chokepoint that will define the eventual /etc/sudoers.d allowlist.

Also: revert a crowdsec advice message the sweep wrongly rewrote (the admin
types sudo, not runSystem), and give crontab_check_processor.sh the same
startup bootstrap as the task processor — it runs standalone via cron and
already used runFileOp/runFileWrite (undefined there), so it was silently
broken; now it sources the helpers + docker-type config.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Signed-off-by: librelad <librelad@digitalangels.vip>
2026-05-24 15:21:53 +01:00

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#!/bin/bash
installUFW()
{
if [[ "$CFG_REQUIREMENT_UFW" == "true" ]]; then
ISUFW=$( (runSystem ufw status ) 2>&1 )
if [[ "$ISUFW" == *"command not found"* ]]; then
isHeader "Install UFW Firewall"
((menu_number++))
echo ""
echo "---- $menu_number. Installing using linux package installer"
echo ""
local result=$(yes | runSystem apt-get install ufw )
checkSuccess "Installing UFW package"
# ((menu_number++))
# echo ""
# echo "---- $menu_number. Updating Firewall Rules"
# echo ""
# # Detect SSH port if not provided
# if [[ -z "$ssh_port" ]]; then
# SSH_CONFIG="/etc/ssh/sshd_config"
# ssh_port=$(grep "^Port" "$SSH_CONFIG" 2>/dev/null | awk '{print $2}' | head -n1)
# ssh_port=${ssh_port:-22} # Default to 22 if not found
# fi
# local result=$(runSystem ufw allow $ssh_port)
# checkSuccess "Enabling Port $ssh_port through the firewall"
# local result=$(runSystem ufw allow ssh)
# checkSuccess "Enabling SSH through the firewall"
# while true; do
# isQuestion "Do you want to keep port $ssh_port (SSH) open? (y/n): "
# read -rp "" UFWSSH
# if [[ "$UFWSSH" =~ ^[yYnN]$ ]]; then
# break
# fi
# isNotice "Please provide a valid input (y/n)."
# done
# if [[ "$UFWSSH" == [nN] ]]; then
# local result=$(runSystem ufw deny $ssh_port)
# checkSuccess "Blocking Port $ssh_port through the firewall"
# local result=$(runSystem ufw deny ssh)
# checkSuccess "Blocking SSH through the firewall"
# fi
local result=$(runSystem ufw --force enable)
checkSuccess "Enabling UFW Firewall"
((menu_number++))
echo ""
echo "---- $menu_number. Changing logging options"
echo ""
local result=$(yes | runSystem ufw logging $CFG_UFW_LOGGING)
checkSuccess "Disabling UFW Firewall Logging"
isSuccessful "UFW Firewall has been installed, you can use ufw status to see the status"
menu_number=0
cd
fi
fi
}