#!/bin/bash
# Cisco VPN Docker Init Script
# Unmounts Docker's read-only bind mounts to allow VPN to modify DNS settings

# Backup current DNS config
cp /etc/resolv.conf /tmp/resolv.conf.bak 2>/dev/null || true
cp /etc/hosts /tmp/hosts.bak 2>/dev/null || true

# Unmount Docker's bind mounts (this is the key fix!)
umount /etc/resolv.conf 2>/dev/null || true
umount /etc/hosts 2>/dev/null || true

# Restore DNS config as regular files
cat /tmp/resolv.conf.bak > /etc/resolv.conf 2>/dev/null || echo "nameserver 8.8.8.8" > /etc/resolv.conf
cat /tmp/hosts.bak > /etc/hosts 2>/dev/null || echo "127.0.0.1 localhost" > /etc/hosts

# Start systemd
exec /sbin/init