nuno / gistfile1.txt

#!/usr/bin/env bash # modules/resolve.module.sh — IP/host resolution chain # Chains: hosts.json exact match → services.json match → raw IP # Depends on: hosts.module.sh, net.module.sh declare -gA _RESOLVE_CACHE=() # resolve::ip <ip> [port] [proto] # Resolves an IP to a display name using the full resolution chain. # Returns raw IP if no match found. # Respects _WGCTL_RAW=true to bypass resolution. function resolve::ip() { local ip="${1:-}" port="${2:-}" proto="${3:-}" [[ -z "$ip" ]] && echo "" && return 0 [[ "${_WGCTL_RAW:-false}" == "true" ]] && echo "$ip" && return 0 local cache_key="${ip}:${port}:${proto}" if [[ -z "${_RESOLVE_CACHE[$cache_key]+x}" ]]; then local result="" # 1. hosts.json exact IP match if [[ -f "$(ctx::hosts)" ]]; then result=$(hosts::resolve_ip "$ip") fi # 2. services.json match if [[ -z "$result" ]]; then result=$(net::reverse_lookup "$ip" "$port" "$proto" 2>/dev/null) || result="" fi # 3. Raw IP fallback [[ -z "$result" ]] && result="$ip" _RESOLVE_CACHE[$cache_key]="$result" fi echo "${_RESOLVE_CACHE[$cache_key]}" } # resolve::dest <ip> [port] [proto] # Like resolve::ip but builds a formatted destination display string. # e.g. "pihole:dns-udp" or "vodafone-wan" or "10.0.0.103:853/tcp" function resolve::dest() { local ip="${1:-}" port="${2:-}" proto="${3:-}" [[ -z "$ip" ]] && echo "" && return 0 local name name=$(resolve::ip "$ip" "$port" "$proto") if [[ "$name" == "$ip" ]]; then # No resolution — raw format if [[ -n "$port" ]]; then echo "${ip}:${port}/${proto}" else [[ -n "$proto" ]] && echo "${ip} (${proto})" || echo "$ip" fi else # Resolved — just the name, no proto suffix echo "$name" fi } # resolve::clear_cache # Clears the resolution cache — call between commands if needed. function resolve::clear_cache() { _RESOLVE_CACHE=() }