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feat: add --remove flag to install.sh for clean uninstall

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Claus Lohmar 2026-07-24 09:41:00 +00:00
parent b360ffd6af
commit e1260ba5d3
1 changed files with 74 additions and 0 deletions
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74
install.sh
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@ -5,6 +5,7 @@
#
# Usage: curl -sSL https://git.lohmar.co.uk/cclohmar/zoraxy-dhcp/raw/branch/main/install.sh | sudo bash
# or: sudo bash install.sh
# or: sudo bash install.sh --remove (clean uninstall)
#==============================================================================
set -euo pipefail
@ -575,11 +576,84 @@ verify() {
fi
}
#==============================================================================
# REMOVE / UNINSTALL
#==============================================================================
remove_all() {
echo -e "${YELLOW}========================================${NC}"
echo -e "${YELLOW} Removing Zoraxy DHCP Setup${NC}"
echo -e "${YELLOW}========================================${NC}"
echo ""
# Stop services
log "Stopping services..."
systemctl stop dnsmasq 2>/dev/null || service dnsmasq stop 2>/dev/null || true
systemctl disable dnsmasq 2>/dev/null || true
systemctl stop zoraxy-dhcp-routing 2>/dev/null || true
systemctl disable zoraxy-dhcp-routing 2>/dev/null || true
systemctl stop gateway-routing 2>/dev/null || true
systemctl disable gateway-routing 2>/dev/null || true
# Remove packages (OS-aware)
log "Removing dnsmasq package..."
case "$OS_ID" in
debian|ubuntu|raspbian|linuxmint)
apt-get purge -y -qq dnsmasq 2>/dev/null || true ;;
rhel|centos|fedora|rocky|almalinux|amzn)
dnf remove -y dnsmasq 2>/dev/null || yum remove -y dnsmasq 2>/dev/null || true ;;
alpine) apk del dnsmasq 2>/dev/null || true ;;
opensuse*|sles) zypper remove -y dnsmasq 2>/dev/null || true ;;
arch|manjaro) pacman -R --noconfirm dnsmasq 2>/dev/null || true ;;
esac
# Remove service files
log "Removing service files..."
rm -f /etc/systemd/system/zoraxy-dhcp-routing.service
rm -f /etc/systemd/system/gateway-routing.service
systemctl daemon-reload 2>/dev/null || true
# Flush NAT rules
log "Flushing iptables NAT rules..."
iptables -t nat -F POSTROUTING 2>/dev/null || true
# Remove config files
log "Removing config files..."
rm -rf /opt/zoraxy/conf/dhcp/ 2>/dev/null || true
rm -f /root/.dnsmasq-setup.conf /root/routing.sh
rm -f /etc/dnsmasq.conf /etc/dnsmasq.conf.bak
rm -rf /etc/dnsmasq.d/ 2>/dev/null || true
# Remove sudoers
log "Removing sudoers rule..."
rm -f /etc/sudoers.d/dnsmasq-edit 2>/dev/null || true
# Remove group (only if empty)
if getent group dnsmasq-edit >/dev/null 2>&1; then
groupdel dnsmasq-edit 2>/dev/null || warn "Could not delete group 'dnsmasq-edit' (may have members)"
fi
echo ""
echo -e "${GREEN} ✅ Removal complete.${NC}"
echo -e "${GREEN} System is in a clean state — ready for fresh install.${NC}"
echo ""
}
#==============================================================================
# MAIN
#==============================================================================
main() {
# --- Argument parsing ---
if [[ "${1:-}" == "--remove" || "${1:-}" == "-r" ]]; then
banner
ensure_root "$@"
detect_os
remove_all
exit 0
fi
# --- Normal install flow ---
banner
ensure_root "$@"
detect_os