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1 file changed, 67 insertions
gistfile1.txt(Datei erstellt)
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| 1 | + | #!/usr/bin/env bash | |
| 2 | + | # modules/resolve.module.sh — IP/host resolution chain | |
| 3 | + | # Chains: hosts.json exact match → services.json match → raw IP | |
| 4 | + | # Depends on: hosts.module.sh, net.module.sh | |
| 5 | + | ||
| 6 | + | declare -gA _RESOLVE_CACHE=() | |
| 7 | + | ||
| 8 | + | # resolve::ip <ip> [port] [proto] | |
| 9 | + | # Resolves an IP to a display name using the full resolution chain. | |
| 10 | + | # Returns raw IP if no match found. | |
| 11 | + | # Respects _WGCTL_RAW=true to bypass resolution. | |
| 12 | + | function resolve::ip() { | |
| 13 | + | local ip="${1:-}" port="${2:-}" proto="${3:-}" | |
| 14 | + | [[ -z "$ip" ]] && echo "" && return 0 | |
| 15 | + | [[ "${_WGCTL_RAW:-false}" == "true" ]] && echo "$ip" && return 0 | |
| 16 | + | ||
| 17 | + | local cache_key="${ip}:${port}:${proto}" | |
| 18 | + | if [[ -z "${_RESOLVE_CACHE[$cache_key]+x}" ]]; then | |
| 19 | + | local result="" | |
| 20 | + | ||
| 21 | + | # 1. hosts.json exact IP match | |
| 22 | + | if [[ -f "$(ctx::hosts)" ]]; then | |
| 23 | + | result=$(hosts::resolve_ip "$ip") | |
| 24 | + | fi | |
| 25 | + | ||
| 26 | + | # 2. services.json match | |
| 27 | + | if [[ -z "$result" ]]; then | |
| 28 | + | result=$(net::reverse_lookup "$ip" "$port" "$proto" 2>/dev/null) || result="" | |
| 29 | + | fi | |
| 30 | + | ||
| 31 | + | # 3. Raw IP fallback | |
| 32 | + | [[ -z "$result" ]] && result="$ip" | |
| 33 | + | ||
| 34 | + | _RESOLVE_CACHE[$cache_key]="$result" | |
| 35 | + | fi | |
| 36 | + | ||
| 37 | + | echo "${_RESOLVE_CACHE[$cache_key]}" | |
| 38 | + | } | |
| 39 | + | ||
| 40 | + | # resolve::dest <ip> [port] [proto] | |
| 41 | + | # Like resolve::ip but builds a formatted destination display string. | |
| 42 | + | # e.g. "pihole:dns-udp" or "vodafone-wan" or "10.0.0.103:853/tcp" | |
| 43 | + | function resolve::dest() { | |
| 44 | + | local ip="${1:-}" port="${2:-}" proto="${3:-}" | |
| 45 | + | [[ -z "$ip" ]] && echo "" && return 0 | |
| 46 | + | ||
| 47 | + | local name | |
| 48 | + | name=$(resolve::ip "$ip" "$port" "$proto") | |
| 49 | + | ||
| 50 | + | if [[ "$name" == "$ip" ]]; then | |
| 51 | + | # No resolution — raw format | |
| 52 | + | if [[ -n "$port" ]]; then | |
| 53 | + | echo "${ip}:${port}/${proto}" | |
| 54 | + | else | |
| 55 | + | [[ -n "$proto" ]] && echo "${ip} (${proto})" || echo "$ip" | |
| 56 | + | fi | |
| 57 | + | else | |
| 58 | + | # Resolved — just the name, no proto suffix | |
| 59 | + | echo "$name" | |
| 60 | + | fi | |
| 61 | + | } | |
| 62 | + | ||
| 63 | + | # resolve::clear_cache | |
| 64 | + | # Clears the resolution cache — call between commands if needed. | |
| 65 | + | function resolve::clear_cache() { | |
| 66 | + | _RESOLVE_CACHE=() | |
| 67 | + | } | |
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