forked from TheWrightServer/ProxmoxVE
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CanbiZ
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@ -1,9 +0,0 @@
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CIDR_LIST=(
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192.168.0.0/16
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100.64.0.0/10
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10.0.0.0/8
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)
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LOOP_INTERVAL=60
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FW_NET_INTERFACE_CHECK_INTERVAL=60
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LXC_STATUS_CHECK_INTERVAL=-1
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FORCE_UPDATE_INTERVAL=1800
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@ -1,176 +0,0 @@
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#!/bin/bash
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# =============== CONFIGURATION =============== #
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CIDR_LIST=(
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192.168.0.0/16
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100.64.0.0/10
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10.0.0.0/8
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)
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LOOP_INTERVAL=60
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FW_NET_INTERFACE_CHECK_INTERVAL=60
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LXC_STATUS_CHECK_INTERVAL=-1
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FORCE_UPDATE_INTERVAL=1800
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if [ -f "/usr/local/etc/iptag.conf" ]; then
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source /usr/local/etc/iptag.conf
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fi
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# =============== UTIL_FUNCTION =============== #
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# Convert IP to integer for comparison
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ip_to_int() {
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local ip="${1}"
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local a b c d
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IFS=. read -r a b c d <<< "${ip}"
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echo "$((a << 24 | b << 16 | c << 8 | d))"
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}
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# Check if IP is in CIDR
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ip_in_cidr() {
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local ip="${1}"
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local cidr="${2}"
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ip_int=$(ip_to_int "${ip}")
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netmask_int=$(ip_to_int "$(ipcalc -b "${cidr}" | grep Broadcast | awk '{print $2}')")
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masked_ip_int=$(( "${ip_int}" & "${netmask_int}" ))
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[[ ${ip_int} -eq ${masked_ip_int} ]] && return 0 || return 1
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}
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# Check if IP is in any CIDRs
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ip_in_cidrs() {
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local ip="${1}"
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local cidrs=()
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mapfile -t cidrs < <(echo "${2}" | tr ' ' '\n')
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for cidr in "${cidrs[@]}"; do
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ip_in_cidr "${ip}" "${cidr}" && return 0
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done
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return 1
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}
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# Check if IP is valid
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is_valid_ipv4() {
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local ip=$1
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local regex="^([0-9]{1,3}\.){3}[0-9]{1,3}$"
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if [[ $ip =~ $regex ]]; then
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IFS='.' read -r -a parts <<< "$ip"
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for part in "${parts[@]}"; do
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if ! [[ $part =~ ^[0-9]+$ ]] || ((part < 0 || part > 255)); then
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return 1
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fi
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done
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return 0
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else
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return 1
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fi
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}
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lxc_status_changed() {
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current_lxc_status=$(pct list 2>/dev/null)
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if [ "${last_lxc_status}" == "${current_lxc_status}" ]; then
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return 1
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else
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last_lxc_status="${current_lxc_status}"
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return 0
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fi
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}
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fw_net_interface_changed() {
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current_net_interface=$(ifconfig | grep "^fw")
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if [ "${last_net_interface}" == "${current_net_interface}" ]; then
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return 1
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else
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last_net_interface="${current_net_interface}"
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return 0
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fi
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}
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# =============== MAIN =============== #
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update_lxc_iptags() {
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vmid_list=$(pct list 2>/dev/null | grep -v VMID | awk '{print $1}')
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for vmid in ${vmid_list}; do
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last_tagged_ips=()
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current_valid_ips=()
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next_tags=()
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# Parse current tags
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mapfile -t current_tags < <(pct config "${vmid}" | grep tags | awk '{print $2}' | sed 's/;/\n/g')
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for current_tag in "${current_tags[@]}"; do
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if is_valid_ipv4 "${current_tag}"; then
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last_tagged_ips+=("${current_tag}")
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continue
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fi
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next_tags+=("${current_tag}")
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done
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# Get current IPs
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current_ips_full=$(lxc-info -n "${vmid}" -i | awk '{print $2}')
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for ip in ${current_ips_full}; do
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if is_valid_ipv4 "${ip}" && ip_in_cidrs "${ip}" "${CIDR_LIST[*]}"; then
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current_valid_ips+=("${ip}")
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next_tags+=("${ip}")
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fi
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done
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# Skip if no ip change
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if [[ "$(echo "${last_tagged_ips[@]}" | tr ' ' '\n' | sort -u)" == "$(echo "${current_valid_ips[@]}" | tr ' ' '\n' | sort -u)" ]]; then
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echo "Skipping ${vmid} cause ip no changes"
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continue
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fi
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# Set tags
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echo "Setting ${vmid} tags from ${current_tags[*]} to ${next_tags[*]}"
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pct set "${vmid}" -tags "$(IFS=';'; echo "${next_tags[*]}")"
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done
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}
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check() {
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current_time=$(date +%s)
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time_since_last_lxc_status_check=$((current_time - last_lxc_status_check_time))
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if [[ "${LXC_STATUS_CHECK_INTERVAL}" -gt 0 ]] \
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&& [[ "${time_since_last_lxc_status_check}" -ge "${STATUS_CHECK_INTERVAL}" ]]; then
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echo "Checking lxc status..."
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last_lxc_status_check_time=${current_time}
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if lxc_status_changed; then
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update_lxc_iptags
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last_update_time=${current_time}
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return
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fi
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fi
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time_since_last_fw_net_interface_check=$((current_time - last_fw_net_interface_check_time))
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if [[ "${FW_NET_INTERFACE_CHECK_INTERVAL}" -gt 0 ]] \
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&& [[ "${time_since_last_fw_net_interface_check}" -ge "${FW_NET_INTERFACE_CHECK_INTERVAL}" ]]; then
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echo "Checking fw net interface..."
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last_fw_net_interface_check_time=${current_time}
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if fw_net_interface_changed; then
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update_lxc_iptags
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last_update_time=${current_time}
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return
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fi
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fi
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time_since_last_update=$((current_time - last_update_time))
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if [ ${time_since_last_update} -ge ${FORCE_UPDATE_INTERVAL} ]; then
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echo "Force updating lxc iptags..."
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update_lxc_iptags
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last_update_time=${current_time}
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return
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fi
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}
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# main: Set the IP tags for all LXC containers
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main() {
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while true; do
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check
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sleep "${LOOP_INTERVAL}"
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done
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}
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main
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@ -1,11 +0,0 @@
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[Unit]
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Description=LXC IP-Tag service
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After=network.target
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[Service]
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Type=simple
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ExecStart=/usr/local/bin/iptag
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Restart=always
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[Install]
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WantedBy=multi-user.target
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