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wireguard-vpn/wg-policy-cleanup.sh

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#!/bin/bash
# wg-policy-cleanup.sh — Clean removal of all policy artifacts
set -uo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "${SCRIPT_DIR}/wg-policy-lib.sh"
main() {
log_info "Starting cleanup..."
local DEF_IF
DEF_IF="$(detect_default_if)"
# === Base Routing Cleanup ===
while iptables -D FORWARD -o "$WG_IF" -j ACCEPT 2>/dev/null; do :; done
while iptables -t nat -D POSTROUTING -o "$DEF_IF" -j MASQUERADE 2>/dev/null; do :; done
log_info "Removed base routing and NAT rules"
# === IPv4 chain cleanup ===
local removed=0
while true; do
local line=""
line=$(iptables -nL FORWARD --line-numbers 2>/dev/null | grep "$CHAIN" | awk '{print $1}' | head -n 1 || true)
if [[ -n "$line" ]]; then
iptables -D FORWARD "$line" 2>/dev/null || break
(( removed++ ))
else
break
fi
done
if (( removed > 0 )); then
log_info "Removed $removed FORWARD references"
fi
iptables -F "$CHAIN" 2>/dev/null || true
iptables -X "$CHAIN" 2>/dev/null || true
# Cleanup backup chain too
iptables -F "$CHAIN_BACKUP" 2>/dev/null || true
iptables -X "$CHAIN_BACKUP" 2>/dev/null || true
# === IPv6 chain cleanup ===
if command -v ip6tables &>/dev/null; then
while true; do
local line6=""
line6=$(ip6tables -nL FORWARD --line-numbers 2>/dev/null | grep "$CHAIN" | awk '{print $1}' | head -n 1 || true)
if [[ -n "$line6" ]]; then
ip6tables -D FORWARD "$line6" 2>/dev/null || break
else
break
fi
done
ip6tables -F "$CHAIN" 2>/dev/null || true
ip6tables -X "$CHAIN" 2>/dev/null || true
ip6tables -F "$CHAIN_BACKUP" 2>/dev/null || true
ip6tables -X "$CHAIN_BACKUP" 2>/dev/null || true
fi
# === ipset cleanup ===
destroy_ipset "$IPSET_V4" 2>/dev/null || true
destroy_ipset "$IPSET_V6" 2>/dev/null || true
destroy_ipset "${IPSET_V4}_bak" 2>/dev/null || true
destroy_ipset "${IPSET_V6}_bak" 2>/dev/null || true
# === Lock cleanup ===
rm -f "$LOCK_FILE" 2>/dev/null || true
log_info "Cleanup complete"
}
main "$@"