Files
ctf/2025/hack.lu/misc/SKAL/public/skal.sh
2025-10-19 20:35:43 +02:00

41 lines
2.7 KiB
Bash
Executable File

#!/usr/bin/env bash
RED="\e[31m"
GREEN="\e[32m"
BROWN="\e[33m"
RESET="\e[0m"
ALLOWED_CHARS='^[${}![:space:]:_=()]+$'
echo -e "\e[1;34m
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⠀⠀⣀⣄⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⡴⠦⣤⣴⡟⠉⠉⡗⠚⡇⠀⠈⡷⢤⠖⠒⠲⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⢀⣀⡇⠀⠀⢸⠀⡇⠀⠀⠇⠀⡇⠀⠀⡇⢸⠀⠀⢠⠋⡝⠉⠓⢦⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⢠⠊⠁⢣⢰⠀⠀⠈⡆⢳⠀⠀⠀⠀⡇⠀⢸⠀⡇⠀⠀⡜⢰⠃⠀⠀⡜⢦⢤⣀⠀⠀⠀⠀⠀
⠀⠀⠀⡠⢴⠻⡀⠀⠈⡎⡇⠀⠀⢃⢸⠀⠀⢸⠀⡇⠀⢸⢀⡇⠀⢠⠃⡎⠀⠀⡼⢡⠃⠀⠙⡆⠀⠀⠀⠀
⠀⠀⢸⠁⠀⢣⢱⡀⠀⢸⣸⡀⠀⢸⠈⡄⠀⢸⠀⡇⠀⠘⢸⠀⠀⡸⢰⠁⠀⢰⢡⠏⠀⠀⡜⡿⢤⡀⠀⠀
⠀⣠⠞⣷⡄⠀⢣⢣⠀⠀⢧⢇⠀⠈⡆⡇⠀⢸⠀⡇⠀⡇⡼⠀⢀⠇⡏⠀⢠⢇⠎⠀⢀⡜⡜⠁⠀⢳⠀⠀
⢸⡁⠀⠈⢻⣦⠀⢫⢧⠀⠘⡾⡄⠀⣇⢡⠀⢸⠀⡇⠀⡇⡇⠀⣸⢸⠀⢀⠏⡜⠀⢀⢎⠞⠀⢀⡴⡻⡄⠀
⣰⠻⣆⠀⠀⠻⣷⡀⢻⣇⠀⢹⢧⠀⢸⢸⠀⢸⠀⡇⢠⢿⠃⠀⡇⡇⠀⡜⡾⠀⢠⢾⠎⠀⡰⢫⠞⠀⡟⠀
⢹⣅⠙⢷⣄⠀⠙⣷⡀⢻⡄⠈⣿⡄⠘⡞⡆⢸⠀⡇⢸⢸⠀⢸⣸⠀⡸⡽⠁⢠⣯⠋⣠⣾⡖⢁⡠⠚⣿⡄
⠘⣏⠳⣄⠙⣦⡀⠘⢧⠀⢻⡄⠸⣧⠀⠇⡇⢸⠀⡇⢸⡌⠀⣇⠇⢰⣱⠁⣠⡻⢃⡴⡷⢋⡴⢋⡤⣺⠇⠀
⠀⢹⡕⢄⠑⢌⠛⢦⠈⢣⡀⢻⡀⢳⠀⢸⢳⢸⠀⡇⣎⡇⢸⠽⢠⠇⠁⣰⡿⢡⣾⢞⣴⣯⡔⣫⢴⠟⠀⠀
⠀⠀⠙⢦⣝⢦⡑⢄⠳⣌⠳⡈⢧⠈⡆⠸⣼⠸⡀⡇⡏⠁⡏⢀⠎⠀⡰⠉⡱⠋⡡⣫⣞⣽⣋⣴⠟⠀⠀⠀
⠀⠀⠀⠀⠉⠻⢿⣮⡳⣌⢦⡱⡌⣆⢸⠀⡟⡆⡇⡇⡇⢸⠁⡜⠀⡼⠁⡜⠁⣪⠞⣿⡵⠟⠉⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠙⡾⣾⣷⣵⡜⡜⡄⠇⢣⡇⡇⢳⠁⡎⠀⠀⡼⢁⠞⠠⢾⡵⠟⠉⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⣷⠈⠛⢿⣾⣾⣾⠘⠈⠁⠇⠀⠀⠁⠀⠾⠁⢀⣤⠞⢫⡗⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠘⢧⣄⠀⠙⠿⣟⠀⠀⠀⠀⠀⠀⠀⠀⢀⡴⠛⣡⡴⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠙⠒⠦⠬⠷⢄⡀⠀⠀⠀⣠⠴⠟⠚⠉⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠒⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\n"
echo -e "${BROWN}\n[*] Tillåtna tecken: $ALLOWED_CHARS\n${RESET}"
while true; do
echo -e "${GREEN}$$@skal${BROWN}$ ${RESET}\c"
read -rs command
if [[ $command =~ $ALLOWED_CHARS ]]; then
eval "$command"
else
echo -e "${RED}[-] Fel: Kommandot innehåller otillåtna tecken.${RESET}\n"
fi
done