mirror of
https://github.com/community-scripts/ProxmoxVED.git
synced 2026-03-31 06:24:18 -04:00
Validation, hostname sanitization, update traps
Improve robustness by adding input validation and sanitization. Replace SIGINT/SIGTERM trap payloads with numeric exit codes (130 and 143). Sanitize hostname to allowed characters and notify the user if it was adjusted. Add validation loops and user messages for CPU cores and RAM (positive integers), MAC address format (XX:XX:XX:XX:XX:XX), VLAN (1-4094 or default), and MTU (576-65520 or default). Minor output ordering tweaks to ensure values are echoed after processing.
This commit is contained in:
CanbiZ (MickLesk)
@@ -67,8 +67,8 @@ THIN="discard=on,ssd=1,"
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set -e
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trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
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trap cleanup EXIT
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trap 'post_update_to_api "failed" "INTERRUPTED"' SIGINT
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trap 'post_update_to_api "failed" "TERMINATED"' SIGTERM
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trap 'post_update_to_api "failed" "130"' SIGINT
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trap 'post_update_to_api "failed" "143"' SIGTERM
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function error_handler() {
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local exit_code="$?"
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local line_number="$1"
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@@ -318,11 +318,13 @@ function advanced_settings() {
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if VM_NAME=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Hostname" 8 58 almalinux --title "HOSTNAME" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
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if [ -z "$VM_NAME" ]; then
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HN="almalinux"
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echo -e "${HOSTNAME}${BOLD}${DGN}Hostname: ${BGN}$HN${CL}"
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else
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HN=$(echo "${VM_NAME,,}" | tr -d ' ')
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echo -e "${HOSTNAME}${BOLD}${DGN}Hostname: ${BGN}$HN${CL}"
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HN=$(echo "${VM_NAME,,}" | tr -cs 'a-z0-9-' '-' | sed 's/^-//;s/-$//')
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if [ "$HN" != "${VM_NAME,,}" ]; then
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whiptail --backtitle "Proxmox VE Helper Scripts" --title "HOSTNAME ADJUSTED" --msgbox "Invalid characters detected. Hostname has been adjusted to:\n\n $HN" 10 58
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fi
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fi
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echo -e "${HOSTNAME}${BOLD}${DGN}Hostname: ${BGN}$HN${CL}"
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else
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exit-script
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fi
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@@ -342,76 +344,96 @@ function advanced_settings() {
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exit-script
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fi
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if CORE_COUNT=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Allocate CPU Cores" 8 58 2 --title "CORE COUNT" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
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if [ -z "$CORE_COUNT" ]; then
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CORE_COUNT="2"
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echo -e "${CPUCORE}${BOLD}${DGN}CPU Cores: ${BGN}$CORE_COUNT${CL}"
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while true; do
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if CORE_COUNT=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Allocate CPU Cores" 8 58 2 --title "CORE COUNT" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
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if [ -z "$CORE_COUNT" ]; then CORE_COUNT="2"; fi
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if [[ "$CORE_COUNT" =~ ^[1-9][0-9]*$ ]]; then
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echo -e "${CPUCORE}${BOLD}${DGN}CPU Cores: ${BGN}$CORE_COUNT${CL}"
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break
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fi
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whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID INPUT" --msgbox "CPU Cores must be a positive integer (e.g., 2)." 8 58
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else
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echo -e "${CPUCORE}${BOLD}${DGN}CPU Cores: ${BGN}$CORE_COUNT${CL}"
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exit-script
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fi
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else
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exit-script
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fi
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done
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if RAM_SIZE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Allocate RAM in MiB" 8 58 2048 --title "RAM" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
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if [ -z "$RAM_SIZE" ]; then
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RAM_SIZE="2048"
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echo -e "${RAMSIZE}${BOLD}${DGN}RAM Size: ${BGN}$RAM_SIZE${CL}"
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while true; do
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if RAM_SIZE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Allocate RAM in MiB" 8 58 2048 --title "RAM" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
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if [ -z "$RAM_SIZE" ]; then RAM_SIZE="2048"; fi
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if [[ "$RAM_SIZE" =~ ^[1-9][0-9]*$ ]]; then
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echo -e "${RAMSIZE}${BOLD}${DGN}RAM Size: ${BGN}$RAM_SIZE${CL}"
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break
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fi
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whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID INPUT" --msgbox "RAM Size must be a positive integer in MiB (e.g., 2048)." 8 58
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else
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echo -e "${RAMSIZE}${BOLD}${DGN}RAM Size: ${BGN}$RAM_SIZE${CL}"
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exit-script
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fi
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else
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exit-script
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fi
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done
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if BRG=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set a Bridge" 8 58 vmbr0 --title "BRIDGE" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
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if [ -z "$BRG" ]; then
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BRG="vmbr0"
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echo -e "${BRIDGE}${BOLD}${DGN}Bridge: ${BGN}$BRG${CL}"
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else
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echo -e "${BRIDGE}${BOLD}${DGN}Bridge: ${BGN}$BRG${CL}"
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fi
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echo -e "${BRIDGE}${BOLD}${DGN}Bridge: ${BGN}$BRG${CL}"
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else
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exit-script
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fi
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if MAC1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set a MAC Address" 8 58 "$GEN_MAC" --title "MAC ADDRESS" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
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if [ -z "$MAC1" ]; then
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MAC="$GEN_MAC"
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echo -e "${MACADDRESS}${BOLD}${DGN}MAC Address: ${BGN}$MAC${CL}"
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while true; do
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if MAC1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set a MAC Address" 8 58 "$GEN_MAC" --title "MAC ADDRESS" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
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if [ -z "$MAC1" ]; then
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MAC="$GEN_MAC"
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echo -e "${MACADDRESS}${BOLD}${DGN}MAC Address: ${BGN}$MAC${CL}"
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break
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fi
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if [[ "$MAC1" =~ ^([0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}$ ]]; then
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MAC="$MAC1"
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echo -e "${MACADDRESS}${BOLD}${DGN}MAC Address: ${BGN}$MAC${CL}"
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break
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fi
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whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID INPUT" --msgbox "Invalid MAC address format. Use XX:XX:XX:XX:XX:XX (e.g., AA:BB:CC:DD:EE:FF)." 8 58
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else
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MAC="$MAC1"
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echo -e "${MACADDRESS}${BOLD}${DGN}MAC Address: ${BGN}$MAC1${CL}"
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exit-script
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fi
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else
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exit-script
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fi
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done
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if VLAN1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set a Vlan(leave blank for default)" 8 58 --title "VLAN" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
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if [ -z "$VLAN1" ]; then
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VLAN1="Default"
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VLAN=""
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echo -e "${VLANTAG}${BOLD}${DGN}VLAN: ${BGN}$VLAN1${CL}"
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while true; do
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if VLAN1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set a Vlan (leave blank for default)" 8 58 --title "VLAN" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
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if [ -z "$VLAN1" ]; then
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VLAN1="Default"
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VLAN=""
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echo -e "${VLANTAG}${BOLD}${DGN}VLAN: ${BGN}$VLAN1${CL}"
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break
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fi
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if [[ "$VLAN1" =~ ^[0-9]+$ ]] && [ "$VLAN1" -ge 1 ] && [ "$VLAN1" -le 4094 ]; then
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VLAN=",tag=$VLAN1"
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echo -e "${VLANTAG}${BOLD}${DGN}VLAN: ${BGN}$VLAN1${CL}"
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break
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fi
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whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID INPUT" --msgbox "VLAN must be a number between 1 and 4094, or leave blank for default." 8 58
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else
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VLAN=",tag=$VLAN1"
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echo -e "${VLANTAG}${BOLD}${DGN}VLAN: ${BGN}$VLAN1${CL}"
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exit-script
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fi
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else
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exit-script
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fi
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done
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if MTU1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
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if [ -z "$MTU1" ]; then
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MTU1="Default"
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MTU=""
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echo -e "${DEFAULT}${BOLD}${DGN}Interface MTU Size: ${BGN}$MTU1${CL}"
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while true; do
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if MTU1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
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if [ -z "$MTU1" ]; then
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MTU1="Default"
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MTU=""
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echo -e "${DEFAULT}${BOLD}${DGN}Interface MTU Size: ${BGN}$MTU1${CL}"
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break
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fi
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if [[ "$MTU1" =~ ^[0-9]+$ ]] && [ "$MTU1" -ge 576 ] && [ "$MTU1" -le 65520 ]; then
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MTU=",mtu=$MTU1"
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echo -e "${DEFAULT}${BOLD}${DGN}Interface MTU Size: ${BGN}$MTU1${CL}"
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break
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fi
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whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID INPUT" --msgbox "MTU Size must be a number between 576 and 65520, or leave blank for default." 8 58
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else
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MTU=",mtu=$MTU1"
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echo -e "${DEFAULT}${BOLD}${DGN}Interface MTU Size: ${BGN}$MTU1${CL}"
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exit-script
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fi
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else
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exit-script
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fi
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done
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if (whiptail --backtitle "Proxmox VE Helper Scripts" --title "START VIRTUAL MACHINE" --yesno "Start VM when completed?" 10 58); then
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echo -e "${GATEWAY}${BOLD}${DGN}Start VM when completed: ${BGN}yes${CL}"
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