API tools faq
paste
Advertisement
KC9UZR

Ultimate Wake On Lan Bash Script

KC9UZR
Jun 17th, 2025
237
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
Bash 12.59 KB | Software | 0 0
raw download clone embed print report
  1. #!/bin/bash
  2.  
  3. # =======================================================
  4. # ============= Ultimate Wake On Lan v1.3 ===============
  5. # =======================================================
  6. # Adds a fully automatic scan/wake mode and more output.
  7. #
  8. # USAGE:
  9. # Make it executable: chmod +x wakeup.sh
  10. # Run with sudo:      sudo ./wakeup.sh
  11.  
  12. # --- Configuration ---
  13. NETWORK="192.168.1.0/24"
  14. KNOWN_HOSTS_FILE="${HOME}/.wol_known_hosts"
  15.  
  16. # --- Color Definitions ---
  17. RED='\033[0;31m'
  18. L_RED='\033[1;31m'
  19. GREEN='\033[0;32m'
  20. L_GREEN='\033[1;32m'
  21. YELLOW='\033[0;33m'
  22. L_YELLOW='\033[1;33m'
  23. BLUE='\033[0;34m'
  24. L_BLUE='\033[1;34m'
  25. MAGENTA='\033[0;35m'
  26. L_MAGENTA='\033[1;35m'
  27. CYAN='\033[0;36m'
  28. L_CYAN='\033[1;36m'
  29. WHITE='\033[1;37m'
  30. BOLD='\033[1m'
  31. NC='\033[0m' # No Color
  32.  
  33. # --- Core Functions ---
  34.  
  35. check_tools() {
  36.   local missing_tools=0
  37.   for tool in "$@"; do
  38.     if ! command -v "$tool" &> /dev/null; then echo -e "${RED}Error: Required command '${BOLD}$tool${RED}' is not installed.${NC}"; missing_tools=1; fi
  39.   done
  40.   if [ $missing_tools -ne 0 ]; then
  41.     echo -e "\n${YELLOW}Please install the missing tools to proceed.${NC}"; echo "On Debian/Ubuntu: ${CYAN}sudo apt-get install nmap wakeonlan${NC}"; echo "On Fedora/CentOS: ${CYAN}sudo dnf install nmap wakeonlan${NC}"; exit 1
  42.   fi
  43. }
  44.  
  45. scan_network() {
  46.   local nmap_flags="$1"
  47.   echo -e "---------------------------------------------------------"
  48.   echo -e "${CYAN}Starting network scan on ${BOLD}${NETWORK}${CYAN} with flags: ${BOLD}${nmap_flags}${NC}"
  49.   echo -e "${YELLOW}Displaying nmap output live. This may take a while.${NC}"
  50.   echo -e "---------------------------------------------------------"
  51.  
  52.   local nmap_output_file=$(mktemp)
  53.   local start_time=$(date +%s)
  54.  
  55.   # Increased verbosity to -vv for more output
  56.   nmap -vv ${nmap_flags} "${NETWORK}" | tee "$nmap_output_file"
  57.  
  58.   local end_time=$(date +%s)
  59.   local duration=$((end_time - start_time))
  60.  
  61.   echo -e "---------------------------------------------------------"
  62.   echo -e "${GREEN}Parsing results...${NC}"
  63.  
  64.   local devices
  65.   devices=$(awk -v ip_color="$L_GREEN" -v mac_color="$L_CYAN" -v nc="$NC" \
  66.       '/Nmap scan report for/{ip=$5} /MAC Address:/{mac=$3; vendor=substr($0, index($0,$4)); printf "%s%s%s %s%s%s %s\n", ip_color, ip, nc, mac_color, mac, nc, vendor}' "$nmap_output_file")
  67.  
  68.   local device_count
  69.   # Use xargs to trim whitespace from wc -l output
  70.   device_count=$(echo "$devices" | wc -l | xargs)
  71.  
  72.   echo -e "${L_GREEN}${BOLD}Scan Complete.${NC} Found ${WHITE}${BOLD}${device_count}${NC} devices in ${WHITE}${BOLD}${duration}${NC} seconds."
  73.   echo -e "---------------------------------------------------------"
  74.  
  75.   rm "$nmap_output_file"
  76.   # Return the found devices for further action
  77.   echo "$devices"
  78. }
  79.  
  80. wake_device() {
  81.   local mac=$1
  82.   echo -e "\n${MAGENTA}Sending Wake-on-LAN packet to ${L_CYAN}${BOLD}${mac}${MAGENTA}...${NC}"
  83.   wakeonlan "${mac}"; echo -e "${GREEN}Packet sent.${NC}"
  84. }
  85.  
  86. # --- Menu Functions ---
  87.  
  88. action_menu() {
  89.   local devices="$1"
  90.   echo -e "${BLUE}${BOLD}--- Scan Results ---${NC}"
  91.   echo -e "${WHITE}$(echo -e "$devices" | cat -n)${NC}"
  92.   read -p "Save these devices to the known hosts list? (y/N): " save_choice
  93.   if [[ "$save_choice" =~ ^[Yy]$ ]]; then
  94.     touch "$KNOWN_HOSTS_FILE"
  95.     echo -e "$devices" | sed -r 's/\x1b\[[0-9;]*m//g' | while read -r device_line; do
  96.       local mac=$(echo "$device_line" | awk '{print $2}'); if ! grep -qF "$mac" "$KNOWN_HOSTS_FILE"; then echo "$device_line" >> "$KNOWN_HOSTS_FILE"; echo -e "${GREEN}Saved:${NC} $device_line"; fi
  97.     done
  98.   fi
  99.   PS3=$(echo -e "\n${YELLOW}Please choose an action: ${NC}")
  100.   local action_options=("Wake a Specific Device from Scan" "Wake All Devices from Scan" "Done")
  101.   select action in "${action_options[@]}"; do
  102.     case $action in
  103.       "Wake a Specific Device from Scan")
  104.         local device_options; mapfile -t device_options <<< "$devices"; device_options+=("Cancel")
  105.         PS3=$(echo -e "${YELLOW}Enter number of device to wake: ${NC}")
  106.         select choice in "${device_options[@]}"; do
  107.           if [[ "$choice" == "Cancel" ]]; then break; fi; if [[ -n "$choice" ]]; then wake_device "$(echo -e "$choice" | sed -r 's/\x1b\[[0-9;]*m//g' | awk '{print $2}')"; break; else echo -e "${RED}Invalid selection.${NC}"; fi
  108.         done; break ;;
  109.       "Wake All Devices from Scan") echo -e "$devices" | sed -r 's/\x1b\[[0-9;]*m//g' | awk '{print $2}' | while read -r mac; do wake_device "$mac"; done; break ;;
  110.       "Done") break ;;
  111.       *) echo -e "${RED}Invalid option $REPLY${NC}" ;;
  112.     esac
  113.   done
  114. }
  115.  
  116. timing_menu() {
  117.   local profile_flags="$1"
  118.   echo -e "${L_BLUE}${BOLD}--- Step 2: Choose Scan Speed ---${NC}"
  119.   PS3=$(echo -e "\n${YELLOW}Aggressive (T4) is best for fast networks. Use Polite (T2) if you see errors.${NC}\nSelect a timing template: ")
  120.   local timing_options=("Paranoid (T0)" "Sneaky (T1)" "Polite (T2)" "Normal (T3)" "Aggressive (T4)" "Insane (T5)" "Cancel")
  121.   select timing_choice in "${timing_options[@]}"; do
  122.     local timing_flag=""; case $timing_choice in "Paranoid (T0)") timing_flag="-T0";; "Sneaky (T1)") timing_flag="-T1";; "Polite (T2)") timing_flag="-T2";; "Normal (T3)") timing_flag="-T3";; "Aggressive (T4)") timing_flag="-T4";; "Insane (T5)") timing_flag="-T5";; "Cancel") return;; *) echo -e "${RED}Invalid option $REPLY${NC}"; continue;; esac
  123.     local devices; devices=$(scan_network "${profile_flags} ${timing_flag}")
  124.     if [ -z "$devices" ]; then echo -e "${YELLOW}No devices with discoverable MAC addresses were found.${NC}"; else action_menu "$devices"; fi
  125.     break
  126.   done
  127. }
  128.  
  129. scan_profile_menu() {
  130.   echo -e "${L_BLUE}${BOLD}--- Step 1: Choose Scan Profile ---${NC}"
  131.   PS3=$(echo -e "\n${YELLOW}Select what you want to find: ${NC}")
  132.   local profile_options=("Simple Host List (for WOL)" "Quick Port Scan" "Full TCP Port Scan" "Aggressive Scan (OS, Version)" "Back to Main Menu")
  133.   select opt in "${profile_options[@]}"; do
  134.     local nmap_params=""; case $opt in "Simple Host List (for WOL)") nmap_params="-sn";; "Quick Port Scan") nmap_params="-F";; "Full TCP Port Scan") nmap_params="-p-";; "Aggressive Scan (OS, Version)") nmap_params="-A";; "Back to Main Menu") return;; *) echo -e "${RED}Invalid option $REPLY${NC}"; continue;; esac
  135.     timing_menu "$nmap_params"; break
  136.   done
  137. }
  138.  
  139. automatic_wake_all() {
  140.   echo -e "${L_BLUE}${BOLD}--- Automatic Scan & Wake All ---${NC}"
  141.   # Use the fastest, most reliable scan for finding WOL-ready hosts on a LAN.
  142.   local nmap_params="-sn -T4"
  143.   local devices
  144.   devices=$(scan_network "$nmap_params")
  145.  
  146.   if [ -z "$devices" ]; then
  147.     echo -e "\n${YELLOW}No devices were found to wake up.${NC}"
  148.   else
  149.     echo -e "\n${GREEN}Waking up all discovered devices...${NC}"
  150.     # Extract just the MAC address (2nd column after stripping colors) and wake each one
  151.     echo -e "$devices" | sed -r 's/\x1b\[[0-9;]*m//g' | awk '{print $2}' | while read -r mac; do
  152.       wake_device "$mac"
  153.     done
  154.     echo -e "\n${GREEN}${BOLD}All WOL packets have been sent!${NC}"
  155.   fi
  156. }
  157.  
  158. direct_wake_menu() { # (Unchanged)
  159.   echo -e "${L_MAGENTA}${BOLD}--- Direct Wake ---${NC}"; read -p "Enter the MAC address to wake: " mac_address
  160.   if [[ "$mac_address" =~ ^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$ ]]; then wake_device "$mac_address"; else echo -e "${RED}Invalid MAC address format.${NC}"; fi
  161. }
  162.  
  163. change_network_menu() { # (Unchanged)
  164.   echo -e "${L_MAGENTA}${BOLD}--- Change Network Target ---${NC}"; echo -e "Current network target is: ${L_CYAN}${NETWORK}${NC}"
  165.   read -p "Enter new network target in CIDR format (e.g., 10.0.0.0/24): " new_network
  166.   if [ -n "$new_network" ]; then NETWORK="$new_network"; echo -e "${GREEN}Network target updated to ${BOLD}${NETWORK}${NC} for this session."; else echo -e "${RED}No input provided.${NC}"; fi
  167. }
  168.  
  169. saved_hosts_menu() { # (Unchanged)
  170.   echo -e "${L_MAGENTA}${BOLD}--- Wake from Saved List ---${NC}"
  171.   if [[ ! -f "$KNOWN_HOSTS_FILE" || ! -s "$KNOWN_HOSTS_FILE" ]]; then echo -e "${YELLOW}Known hosts file is empty.${NC}"; return; fi
  172.   echo -e "${WHITE}Available saved hosts:${NC}"; awk -v ip_color="$L_GREEN" -v mac_color="$L_CYAN" -v nc="$NC" '{printf "%s%s%s %s%s%s %s\n", ip_color, $1, nc, mac_color, $2, nc, substr($0, index($0,$3))}' "$KNOWN_HOSTS_FILE" | cat -n
  173.   PS3=$(echo -e "\n${YELLOW}Choose an option for saved hosts: ${NC}"); local saved_options=("Wake a Specific Saved Host" "Wake ALL Saved Hosts" "Delete a Saved Host" "Cancel")
  174.   select opt in "${saved_options[@]}"; do
  175.     case $opt in
  176.       "Wake a Specific Saved Host"|"Delete a Saved Host") local device_options; mapfile -t device_options < "$KNOWN_HOSTS_FILE"; device_options+=("Cancel"); PS3=$(echo -e "${YELLOW}Select a host to ${opt// a Saved Host/}: ${NC}"); select choice in "${device_options[@]}"; do if [[ "$choice" == "Cancel" ]]; then break; fi; if [[ -n "$choice" ]]; then if [[ "$opt" == "Wake a Specific Saved Host" ]]; then wake_device "$(echo "$choice" | awk '{print $2}')"; else grep -vFw "$choice" "$KNOWN_HOSTS_FILE" > "$KNOWN_HOSTS_FILE.tmp" && mv "$KNOWN_HOSTS_FILE.tmp" "$KNOWN_HOSTS_FILE"; echo -e "${GREEN}Deleted entry:${NC} $choice"; fi; break; else echo -e "${RED}Invalid selection.${NC}"; fi; done; break ;;
  177.       "Wake ALL Saved Hosts") awk '{print $2}' "$KNOWN_HOSTS_FILE" | while read -r mac; do wake_device "$mac"; done; break ;;
  178.       "Cancel") break ;;
  179.       *) echo -e "${RED}Invalid option $REPLY${NC}";;
  180.     esac
  181.   done
  182. }
  183.  
  184. help_menu() {
  185.     echo -e "${L_MAGENTA}${BOLD}--- Help & Information ---${NC}"
  186.     echo -e "Welcome to the ${BOLD}Ultimate Wake On Lan${NC} script (v1.3)."
  187.     echo -e "\n${BOLD}Menu Options:${NC}"
  188.     echo -e "  ${L_RED}Automatic Scan & Wake:${NC} The express option. Immediately scans for all devices"
  189.     echo -e "                       on the network and sends a WOL packet to each one."
  190.     echo -e "  ${L_GREEN}Manual Scan Network:${NC}   Provides full control over the scan. You first choose a"
  191.     echo -e "                       Scan Profile (what to look for), then a Timing Template"
  192.     echo -e "                       (how fast to scan)."
  193.     echo -e "  ${L_CYAN}Saved & Direct Wake:${NC} Wake devices from your saved list or by entering a"
  194.     echo -e "                       MAC address manually."
  195.     echo -e "\n${BOLD}Scan Timing (-T0 to -T5):${NC}"
  196.     echo -e "  If you get ${L_RED}timeout errors${NC}, your network can't keep up. Slow down the scan!"
  197.     echo -e "  ${L_GREEN}-T4 (Aggressive):${NC} Recommended for fast, modern LANs."
  198.     echo -e "  ${L_YELLOW}-T3 (Normal):${NC}      Nmap's default behavior."
  199.     echo -e "  ${L_RED}-T2 (Polite):${NC}       Slower scan that uses less bandwidth. Try this if T4/T3 fail."
  200. }
  201.  
  202. main_menu() {
  203.   while true; do
  204.     echo -e "${L_RED}${BOLD}U${L_YELLOW}l${L_GREEN}t${L_CYAN}i${L_BLUE}m${L_MAGENTA}a${L_RED}t${L_YELLOW}e ${L_GREEN}W${L_CYAN}a${L_BLUE}k${L_MAGENTA}e ${L_RED}O${L_YELLOW}n ${L_GREEN}L${L_CYAN}a${L_BLUE}n${NC} ${WHITE}v1.3${NC}"
  205.     echo -e "${BLUE}=======================================================${NC}"
  206.     echo -e "  Network Target: ${L_CYAN}${BOLD}${NETWORK}${NC}"
  207.     echo -e "${BLUE}=======================================================${NC}"
  208.  
  209.     PS3=$(echo -e "\n${WHITE}${BOLD}Select an option: ${NC}")
  210.     local options=(
  211.       "$(echo -e "${L_RED}🚀${NC} Automatic Scan & Wake All")"
  212.       "$(echo -e "${L_GREEN}★${NC} Manual Scan Network")"
  213.       "$(echo -e "${L_CYAN}★${NC} Wake from Saved List")"
  214.       "$(echo -e "${L_BLUE}★${NC} Wake a MAC Address Directly")"
  215.       "$(echo -e "${L_MAGENTA}★${NC} Change Network Target")"
  216.       "$(echo -e "${L_YELLOW}★${NC} Help & Information")"
  217.       "$(echo -e "${WHITE}★${NC} Exit")"
  218.     )
  219.     select opt in "${options[@]}"; do
  220.       local clean_opt; clean_opt=$(echo "$opt" | sed -r 's/\x1b\[[0-9;]*m//g' | sed -r 's/🚀 |★ //g')
  221.       case "$clean_opt" in
  222.         "Automatic Scan & Wake All") automatic_wake_all; break ;;
  223.         "Manual Scan Network") scan_profile_menu; break ;;
  224.         "Wake from Saved List") saved_hosts_menu; break ;;
  225.         "Wake a MAC Address Directly") direct_wake_menu; break ;;
  226.         "Change Network Target") change_network_menu; break ;;
  227.         "Help & Information") help_menu; break ;;
  228.         "Exit") echo -e "${GREEN}Exiting. Goodbye!${NC}"; exit 0 ;;
  229.         *) echo -e "${RED}Invalid option $REPLY. Please choose a number from the list.${NC}" ;;
  230.       esac
  231.     done
  232.     echo -e "\n${YELLOW}Press any key to return to the main menu...${NC}"
  233.     read -n 1 -s -r
  234.     clear
  235.   done
  236. }
  237.  
  238. # --- Script Start ---
  239. clear
  240. check_tools "nmap" "wakeonlan"
  241. if [ "$EUID" -ne 0 ]; then echo -e "${RED}${BOLD}Root Access Required${NC}\n${YELLOW}Please run with sudo for best results.${NC}"; exit 1; fi
  242. main_menu
Tags: nmap Linux BASH computer wakeonlan wake lan
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!