Add exitrace tool and improve documentation
- Add exitrace: Enhanced Exim log analyzer with status classification - Add Maintainer: ljp to all ljp-owned scripts - Update READMEs: Use installer-compatible command examples - Update main and legacy READMEs to include exitrace tool
This commit is contained in:
Executable
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#!/usr/bin/env bash
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# exitrace - Exim-Log-Trace & Status für einzelne Mails/Adressen/Domain-Ziele
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# Maintainer: ljp
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# -----------------------------------------------------------------------------
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# Features:
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# - Sucht in /var/log/easyname/YYYY/MM/YYYY-MM-DD.log(.gz) (anpassbar mit $LOGROOT)
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# - Zeitfenster: letzte N Stunden/Tage ODER konkretes Datum/Spanne
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# - Filter: Absender (-f), Empfänger-Regex (-t), Ziel-Domain (-D), Message-ID (-m), Extra-Regex (-G)
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# - Gruppiert Treffer pro Exim-Message-ID und fasst Status zusammen
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# - Klassifikation: OK / PARTIAL / DELAY / FAIL / UNKNOWN
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# - Optional: MX-Übersicht für -D/--domain mittels --mx
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#
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# Beispiele:
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# exitrace -f sender@example.com -D example.de -H 48
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# exitrace -m 1uwRvz-000Fz2-CI
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# exitrace -t '.*@example.de' -r 2025-09-09..2025-09-11 --mx
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#
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# Exitcodes: 0=OK (Treffer evtl. 0), 1=Fehlerhafte Parameter/Umgebung
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# -----------------------------------------------------------------------------
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set -euo pipefail
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LOGROOT="${LOGROOT:-/var/log/easyname}"
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DATE_FMT="%Y-%m-%d"
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TODAY="$(date +%Y-%m-%d)"
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usage() {
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cat <<'USAGE'
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Usage: exitrace [OPTS]
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Zeitfenster (eine Option wählen):
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-H, --hours N Letzte N Stunden durchsuchen
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-DAYS, --days N Letzte N Tage durchsuchen
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-d, --date YYYY-MM-DD Exaktes Datum
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-r, --range A..B Datumsbereich (inkl.): YYYY-MM-DD..YYYY-MM-DD
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Filter (beliebig kombinierbar):
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-f, --from ADDR Envelope-From / "from <...>"
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-t, --to REGEX Empfänger (Regex, matcht ' for <rcpt>' oder in '** rcpt')
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-D, --domain NAME Ziel-Domain (z. B. example.de)
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-m, --msgid ID Exim-Message-ID (z. B. 1uwRvz-000Fz2-CI)
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-G, --grep REGEX Zusätzlicher Regex auf Logzeilen
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Sonstiges:
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--mx Zeigt MX-Einträge (und A/AAAA) für --domain
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-n, --dry-run Zeigt nur, welche Logfiles untersucht würden
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-h, --help Diese Hilfe
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Beispiele:
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exitrace -f sender@example.com -D example.de -H 48
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exitrace -m 1uwRvz-000Fz2-CI
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exitrace -t '.*@example.de' -r 2025-09-09..2025-09-11 --mx
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USAGE
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}
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# --------------------------- Argumente parsen --------------------------------
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HOURS=""; DAYS=""; DATE_ONE=""; DATE_RANGE=""
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FROM=""; TO_REGEX=""; TARGET_DOMAIN=""; MSGID=""; GREPEXTRA=""
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DRYRUN=0; WANT_MX=0
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while [[ $# -gt 0 ]]; do
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case "$1" in
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-H|--hours) HOURS="${2:-}"; shift 2 ;;
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-DAYS|--days) DAYS="${2:-}"; shift 2 ;;
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-d|--date) DATE_ONE="${2:-}"; shift 2 ;;
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-r|--range) DATE_RANGE="${2:-}"; shift 2 ;;
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-f|--from) FROM="${2:-}"; shift 2 ;;
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-t|--to) TO_REGEX="${2:-}"; shift 2 ;;
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-D|--domain) TARGET_DOMAIN="${2:-}"; shift 2 ;;
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-m|--msgid) MSGID="${2:-}"; shift 2 ;;
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-G|--grep) GREPEXTRA="${2:-}"; shift 2 ;;
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--mx) WANT_MX=1; shift ;;
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-n|--dry-run) DRYRUN=1; shift ;;
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-h|--help) usage; exit 0 ;;
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*) echo "Unbekannte Option: $1" >&2; usage; exit 1 ;;
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esac
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done
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# ------------------------- Datums-Liste bauen --------------------------------
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files_for_date() {
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local d="$1" y="${d:0:4}" m="${d:5:2}"
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local p="${LOGROOT}/${y}/${m}/${d}.log"
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if [[ -f "$p" ]]; then
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printf "%s\n" "$p"
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fi
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if [[ -f "${p}.gz" ]]; then
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printf "%s\n" "${p}.gz"
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fi
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}
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gen_dates_hours_back() {
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local hrs="$1" start_ts end_ts cur
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end_ts="$(date +%s)"
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start_ts="$(date -d "-${hrs} hours" +%s)"
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cur="$(date -d "@$start_ts" +${DATE_FMT})"
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while :; do
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echo "$cur"
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[[ "$(date -d "$cur +1 day" +%s)" -le "$end_ts" ]] || break
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cur="$(date -d "$cur +1 day" +${DATE_FMT})"
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done
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}
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gen_dates_days_back() {
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local days="$1" i
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for ((i=0;i<=days;i++)); do
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date -d "-$i day" +${DATE_FMT}
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done
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}
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gen_dates_range() {
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local a="${1%%..*}" b="${1##*..}" cur="$a"
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while :; do
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echo "$cur"
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[[ "$cur" == "$b" ]] && break
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cur="$(date -d "$cur +1 day" +${DATE_FMT})"
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done
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}
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declare -a DATES=()
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if [[ -n "$HOURS" ]]; then
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mapfile -t DATES < <(gen_dates_hours_back "$HOURS")
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elif [[ -n "$DAYS" ]]; then
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mapfile -t DATES < <(gen_dates_days_back "$DAYS")
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elif [[ -n "$DATE_ONE" ]]; then
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DATES=("$DATE_ONE")
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elif [[ -n "$DATE_RANGE" ]]; then
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mapfile -t DATES < <(gen_dates_range "$DATE_RANGE")
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else
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DATES=("$TODAY")
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fi
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declare -a FILES=()
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for d in "${DATES[@]}"; do
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while read -r f; do FILES+=("$f"); done < <(files_for_date "$d" || true)
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done
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if (( DRYRUN )); then
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echo "Würde durchsuchen:"
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printf ' %s\n' "${FILES[@]}"
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exit 0
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fi
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if [[ "${#FILES[@]}" -eq 0 ]]; then
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echo "Keine Logfiles gefunden unter ${LOGROOT}/YYYY/MM/DATE.log(.gz) fürs gewählte Zeitfenster." >&2
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exit 0
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fi
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# --------------------------- Vorfilter bauen ---------------------------------
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declare -a PREF_GREP=()
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[[ -n "$MSGID" ]] && PREF_GREP+=( "$MSGID" )
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[[ -n "$FROM" ]] && PREF_GREP+=( "$FROM" )
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[[ -n "$TARGET_DOMAIN" ]] && PREF_GREP+=( "$TARGET_DOMAIN" )
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[[ -n "$GREPEXTRA" ]] && PREF_GREP+=( "$GREPEXTRA" )
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# ------------------------------- Reader --------------------------------------
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cat_files() {
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# .log direkt lesen, .gz via zcat
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local f
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for f in "${FILES[@]}"; do
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if [[ "$f" == *.gz ]]; then
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zcat -- "$f"
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else
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cat -- "$f"
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fi
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done
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}
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grep_chain() {
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if [[ "${#PREF_GREP[@]}" -eq 0 ]]; then
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cat_files
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else
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# Mehrere -F -e Muster
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cat_files | grep -F -e "${PREF_GREP[0]}" $(for s in "${PREF_GREP[@]:1}"; do printf ' -e %q' "$s"; done)
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fi
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}
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# ------------------------------- MX Block ------------------------------------
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if (( WANT_MX )) && [[ -n "$TARGET_DOMAIN" ]]; then
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if command -v dig >/dev/null 2>&1; then
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echo "== MX für ${TARGET_DOMAIN} =="
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dig +short MX "$TARGET_DOMAIN" | sort -n || true
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echo "-- A/AAAA der MX:"
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while read -r mx; do
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host="${mx#* }"
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printf "%-35s | " "$host"
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dig +short A "$host" | paste -sd, - || true
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printf "%-35s | " ""
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dig +short AAAA "$host" | paste -sd, - || true
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done < <(dig +short MX "$TARGET_DOMAIN" | sort -n)
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echo "========================================================================"
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else
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echo "(Hinweis) dig nicht gefunden, MX-Ausgabe übersprungen."
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fi
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fi
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# ---------------------------- Auswertung (awk) --------------------------------
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grep_chain | awk -v TO_RE="${TO_REGEX:-}" -v WANTDOM="${TARGET_DOMAIN:-}" -v MSGIDREQ="${MSGID:-}" -v FROMREQ="${FROM:-}" -v EXTRA="${GREPEXTRA:-}" '
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function trim(s){ sub(/^[ \t\r\n]+/, "", s); sub(/[ \t\r\n]+$/, "", s); return s }
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function add_rcpt(id, rc){ if (!(rc in rcpts[id])) rcpts[id][rc]=1 }
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function incr(a, k){ a[k]++; return a[k] }
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BEGIN { FS=" " }
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{
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raw=$0
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# Zeit + ID detektieren
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match(raw, /[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2} [A-Za-z0-9-]+/, t)
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if (!t[0]) next
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split(t[0], p, " ")
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ts = p[1] " " p[2]
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sub(/^[0-9-: ]+ /, "", raw_after) # restline
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msgid = $1
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if (!msgid) next
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if (MSGIDREQ != "" && msgid != MSGIDREQ) next
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# Init Times
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if (!(msgid in first_ts) || ts < first_ts[msgid]) first_ts[msgid]=ts
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if (!(msgid in last_ts) || ts > last_ts[msgid]) last_ts[msgid]=ts
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# Sender extrahieren
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if (index($0, "<=") == 1 || $2 == "<=") {
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if (match($0, / from <[^>]+>/, m)) {
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s=m[0]; gsub(/.* from </, "", s); gsub(/>.*/, "", s)
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from=trim(s)
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} else if (match($0, /<= [^ ]+@[^ ]+/, m2)) {
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split(m2[0], a, " "); from=trim(a[2])
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} else { from="" }
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if (from != "") {
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from_addr[msgid]=from
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if (FROMREQ != "" && from != FROMREQ) from_mismatch[msgid]=1
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}
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}
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# Empfänger extrahieren
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rcpt=""
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if (match($0, / for <[^>]+>/, r)) {
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rcpt=r[0]; gsub(/ for </, "", rcpt); gsub(/>/, "", rcpt); rcpt=trim(rcpt)
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} else if (match($0, /\*\* [^ ]+@[^ ]+/, r2)) {
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split(r2[0], b, " "); rcpt=trim(b[2])
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}
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if (rcpt != "") add_rcpt(msgid, rcpt)
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# Klassify line types
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is_delivery = index($0, " => ")>0
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is_fail = index($0, " ** ")>0
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is_remote = (index($0, " T=remote_smtp")>0 || index($0, " T=remote_smtp_dkim")>0)
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# Success detection: C="250 ..." oder "250 " in C=...
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is_success = 0
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if (is_delivery && is_remote) {
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if (match($0, /C="[^"]*250[^"]*"/)) is_success=1
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}
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# Deferred detection
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# typische Phrasen: "retry time not reached", "temporarily", "Connection timed out", "have been failing"
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is_defer = 0
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if (is_remote && (index($0, "retry time not reached")>0 || index($0, "temporar")>0 || index($0, "timed out")>0 || match($0, /all hosts for '\''[^']+'\'' have been failing/))) {
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is_defer=1
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}
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# Fail detection (permanent)
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# Zeilen mit "** rcpt ..." sind i. d. R. permanent; weitere Marker: "Unrouteable address", "rejected", "mailbox full" kann defer sein -> belassen
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is_perm_fail = 0
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if (is_fail) {
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is_perm_fail=1
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} else if (match($0, /(Unrouteable address|no such user|User unknown|550 )/)) {
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is_perm_fail=1
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}
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# Domainfilter (weicher): wir verwerfen die ID nicht, zeigen aber non-matching Zeilen trotzdem mit
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if (WANTDOM != "") {
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# keine harte Filterung, nur spätere Auswertung nutzt WANTDOM, falls nötig
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;
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}
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# Extra Regex? (nur für Zeilenfilterung, ID bleibt)
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if (EXTRA != "" && $0 !~ EXTRA) {
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; # wir speichern die Zeile dennoch im Voll-Log, sonst verliert man Kontext
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}
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# Counters
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if (is_success) deliveries[msgid]++
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if (is_defer) defers[msgid]++
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if (is_perm_fail) fails[msgid]++
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# „have been failing …" Marker
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if (match($0, /all hosts for '\''[^']+'\'' have been failing/)) {
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fail_marker[msgid]=1
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}
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# Full log sammeln
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status[msgid]=(status[msgid] ? status[msgid] "\n" : "") ts " | " $0
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}
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END {
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# IDs einsammeln & sortieren
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n=0
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for (id in first_ts){ ids[++n]=id }
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for (i=2;i<=n;i++){
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key=ids[i]; j=i-1
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while (j>=1 && first_ts[ids[j]] > first_ts[key]) { ids[j+1]=ids[j]; j-- }
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ids[j+1]=key
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}
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if (n==0){
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print "Keine passenden Einträge im gewählten Zeitfenster gefunden."
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exit 0
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}
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sep="------------------------------------------------------------------------"
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for (k=1;k<=n;k++){
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id=ids[k]
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# FROM Nachfilter
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if (FROMREQ != "" && from_mismatch[id]==1) {
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if (from_addr[id] != FROMREQ && from_addr[id] != "") continue
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}
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d=(id in deliveries ? deliveries[id] : 0)
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e=(id in defers ? defers[id] : 0)
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f=(id in fails ? fails[id] : 0)
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# Status-Logik:
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# - d>0 && f==0 && e==0 -> OK
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# - d>0 && (f>0 || e>0) -> PARTIAL
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# - d==0 && f>0 -> FAIL
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# - d==0 && f==0 && e>0 -> DELAY
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# - sonst -> UNKNOWN
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status_txt="UNKNOWN"
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if (d>0 && f==0 && e==0) status_txt="OK"
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else if (d>0 && (f>0 || e>0)) status_txt="PARTIAL"
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else if (d==0 && f>0) status_txt="FAIL"
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else if (d==0 && f==0 && e>0) status_txt="DELAY"
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# Summary-Zeile
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# Rcpts sammeln
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out_rcpts=""
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if (id in rcpts){
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for (r in rcpts[id]) {
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out_rcpts = (out_rcpts=="" ? r : out_rcpts ", " r)
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}
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}
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printf "[%s] ID=%s | First=%s | From=%s | Rcpts=%s | Delivered=%d Deferred=%d Failed=%d\n",
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status_txt, id, first_ts[id], (from_addr[id] ? from_addr[id] : "(?)"), (out_rcpts=="" ? "(?)" : out_rcpts), d, e, f
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# Marker-Hinweis
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if (fail_marker[id]) {
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printf " Note: DELIVERY STALL erkannt: '\''all hosts for domain failing (retry/backoff)'\''\n"
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}
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# Detailblock
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print sep
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printf "ID: %s\n", id
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printf "First: %s\n", first_ts[id]
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printf "Last: %s\n", last_ts[id]
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printf "From: %s\n", (from_addr[id] ? from_addr[id] : "(unbekannt)")
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printf "Rcpts: %s\n", (out_rcpts=="" ? "(unbekannt)" : out_rcpts)
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printf "Status: %s (Delivered=%d, Deferred=%d, Failed=%d)\n", status_txt, d, e, f
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print "Log:"
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print status[id]
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print sep
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}
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}
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'
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# Built with the help of Claude Code
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Block a user