# Title: LinPeasBase - check_dns # ID: check_dns # Author: Carlos Polop # Last Update: 22-08-2023 # Description: Check if the DNS is available # License: GNU GPL # Version: 1.0 # Functions Used: # Global Variables: # Initial Functions: # Generated Global Variables: # Fat linpeas: 0 # Small linpeas: 1 check_dns(){ (timeout 20 /bin/bash -c '(( echo cfc9 0100 0001 0000 0000 0000 0a64 7563 6b64 7563 6b67 6f03 636f 6d00 0001 0001 | xxd -p -r >&3; dd bs=9000 count=1 <&3 2>/dev/null | xxd ) 3>/dev/udp/1.1.1.1/53 && echo "DNS available" || echo "DNS not available") 2>/dev/null | grep "available"' ) 2>/dev/null || echo "DNS not available" }