253 lines
6.9 KiB
Bash
Executable File
253 lines
6.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# checkms - Analyse von MS-Fehlercodes im Exim-Log + Code-Management
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# Maintainer: ljp
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set -euo pipefail
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# --- Defaults ---
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DATE="$(date +%Y-%m-%d)"
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MINUTES=0
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HOURS=0
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CONF_DIR="${XDG_CONFIG_HOME:-$HOME/.config}/checkms"
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ADD_CODES=()
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DEL_INDEXES=()
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SET_USER=""
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SHOW_CONF=0
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# --- Funktionen ---
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usage() {
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cat <<USAGE
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Usage: $0 [OPTIONS] [YYYY-MM-DD]
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Analyse von MS-Fehlercodes im Exim-Log und Pflege der Codes.
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Analyse-Optionen:
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--minutes N Analysiert nur die letzten N Minuten
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--hours N Analysiert nur die letzten N Stunden
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--confdir PATH Pfad zum Konfigurationsordner (Default: ~/.config/checkms)
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Konfig-Optionen:
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--add-code REGEX Fügt einen Code/Regex zur Config hinzu (mehrfach möglich)
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--del-code ID Löscht Code mit ID (siehe --show-config)
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--set-user USER Setzt den SSH-User in der Config
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--show-config Zeigt die aktuelle Config (JSON + tabellarisch) und beendet
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--help Diese Hilfe
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USAGE
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}
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init_conf() {
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mkdir -p "$CONF_DIR"
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read -rp "Bitte SSH-User für den Logger angeben: " SSHUSER
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cat >"$CONF_FILE" <<JSON
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{
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"ssh_user": "$SSHUSER",
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"codes": [
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"S3150",
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"S775",
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"S7771[0-9]*"
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]
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}
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JSON
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echo "Konfigurationsdatei erstellt: $CONF_FILE"
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}
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require_jq_write() {
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if ! command -v jq >/dev/null 2>&1; then
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echo "Fehler: Für --add-code/--del-code/--set-user wird 'jq' benötigt." >&2
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exit 1
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fi
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}
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show_config() {
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if [[ ! -f "$CONF_FILE" ]]; then
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echo "Keine Config vorhanden. Sie wird beim nächsten Run erstellt."
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exit 0
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fi
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# Roh-JSON
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if command -v jq >/dev/null 2>&1; then
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echo "RAW ($CONF_FILE):"
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jq . "$CONF_FILE"
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else
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echo "RAW ($CONF_FILE):"
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cat "$CONF_FILE"
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fi
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echo
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# Tabellarisch
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if command -v jq >/dev/null 2>&1; then
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SSH_USER_SHOW="$(jq -r '.ssh_user' "$CONF_FILE")"
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mapfile -t CODES_SHOW < <(jq -r '.codes[]' "$CONF_FILE")
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else
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SSH_USER_SHOW="$(grep -o '"ssh_user":[^,}]*' "$CONF_FILE" | cut -d'"' -f4)"
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CODES_LINE="$(sed -n 's/.*"codes":[[]\(.*\)[]].*/\1/p' "$CONF_FILE")"
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IFS=',' read -r -a CODES_SHOW <<<"$(echo "$CODES_LINE" | tr -d ' \t"')"
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fi
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echo "TABELLARISCHE ANSICHT:"
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printf "%-12s %s\n" "SSH_USER" "${SSH_USER_SHOW:-<unset>}"
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echo
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printf "%-6s %s\n" "ID" "CODE"
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printf "%-6s %s\n" "----" "-----------------------"
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id=0
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for code in "${CODES_SHOW[@]}"; do
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printf "%-6s %s\n" "$id" "$code"
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id=$((id+1))
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done
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exit 0
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}
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apply_add_codes() {
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[[ ${#ADD_CODES[@]} -eq 0 ]] && return 0
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require_jq_write
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local tmp; tmp="$(mktemp)"
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cp "$CONF_FILE" "$tmp"
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for code in "${ADD_CODES[@]}"; do
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jq --arg code "$code" '
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(.codes | any(. == $code)) as $exists
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| if $exists then . else (.codes += [$code]) end
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' "$tmp" > "${tmp}.new"
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mv "${tmp}.new" "$tmp"
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done
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mv "$tmp" "$CONF_FILE"
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}
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apply_del_indexes() {
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[[ ${#DEL_INDEXES[@]} -eq 0 ]] && return 0
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require_jq_write
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local tmp; tmp="$(mktemp)"
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cp "$CONF_FILE" "$tmp"
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IFS=$'\n' read -r -d '' -a sorted <<<"$(printf "%s\n" "${DEL_INDEXES[@]}" | sort -rn; printf '\0')"
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for idx in "${sorted[@]}"; do
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[[ "$idx" =~ ^[0-9]+$ ]] || { echo "Warnung: ungültige ID '$idx'"; continue; }
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jq --argjson i "$idx" '
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if ($i >= 0 and $i < (.codes|length))
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then .codes |= del(.[$i])
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else .
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end
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' "$tmp" > "${tmp}.new"
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mv "${tmp}.new" "$tmp"
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done
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mv "$tmp" "$CONF_FILE"
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}
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apply_set_user() {
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[[ -z "$SET_USER" ]] && return 0
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require_jq_write
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local tmp; tmp="$(mktemp)"
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jq --arg u "$SET_USER" '.ssh_user = $u' "$CONF_FILE" > "$tmp"
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mv "$tmp" "$CONF_FILE"
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}
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# --- Argumente parsen ---
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--minutes) MINUTES="$2"; shift 2 ;;
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--hours) HOURS="$2"; shift 2 ;;
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--confdir) CONF_DIR="$2"; shift 2 ;;
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--show-config) SHOW_CONF=1; shift ;;
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--add-code) ADD_CODES+=("$2"); shift 2 ;;
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--del-code) DEL_INDEXES+=("$2"); shift 2 ;;
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--set-user) SET_USER="$2"; shift 2 ;;
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--help) usage; exit 0 ;;
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[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]) DATE="$1"; shift ;;
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*) echo "Unbekannte Option: $1" >&2; usage; exit 1 ;;
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esac
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done
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# --- Configpfade ---
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CONF_FILE="${CONF_DIR}/checkms.conf"
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[[ -f "$CONF_FILE" ]] || init_conf
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# --- Reine Konfig-Operationen (frühzeitiger Exit!) ---
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if [[ $SHOW_CONF -eq 1 && ${#ADD_CODES[@]} -eq 0 && ${#DEL_INDEXES[@]} -eq 0 && -z "$SET_USER" ]]; then
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show_config
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fi
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# Wenn Codes/User geändert werden sollen, erst anwenden …
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if [[ ${#ADD_CODES[@]} -gt 0 || ${#DEL_INDEXES[@]} -gt 0 || -n "$SET_USER" ]]; then
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apply_add_codes
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apply_del_indexes
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apply_set_user
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# Wenn nur Konfig bearbeitet wurde (keine Analyse-Flags/Datum), hier enden
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if [[ $MINUTES -eq 0 && $HOURS -eq 0 && "$DATE" == "$(date +%Y-%m-%d)" ]]; then
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# Optional: danach anzeigen
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[[ $SHOW_CONF -eq 1 ]] && show_config
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exit 0
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fi
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fi
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# --- Config laden für Analyse ---
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if command -v jq >/dev/null 2>&1; then
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SSH_USER="$(jq -r '.ssh_user' "$CONF_FILE")"
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CODES_REGEX="$(jq -r '.codes[]' "$CONF_FILE" | paste -sd'|' -)"
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else
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SSH_USER="$(grep -o '"ssh_user":[^,}]*' "$CONF_FILE" | cut -d'"' -f4)"
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CODES_REGEX="$(
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sed -n 's/.*"codes":[[]\(.*\)[]].*/\1/p' "$CONF_FILE" \
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| tr -d ' \t"' | tr ',' '|'
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)"
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fi
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[[ -n "${CODES_REGEX// }" ]] || CODES_REGEX="S3150|S775|S7771[0-9]*"
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year="${DATE:0:4}"
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month="${DATE:5:2}"
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LOGFILE="${DATE}.log"
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# --- Remote-Kommando ---
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if type go >/dev/null 2>&1; then
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REMOTE="go logger"
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else
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REMOTE="ssh ${SSH_USER}@logger.in.nessus.at"
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fi
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# --- Analyse (remote) ---
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$REMOTE bash -s <<EOF
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set -euo pipefail
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cd /var/log/easyname/$year/$month
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if [ -f "$LOGFILE" ]; then SRC="cat \"$LOGFILE\""
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elif [ -f "$LOGFILE.gz" ]; then SRC="zcat \"$LOGFILE.gz\""
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else
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echo "Logfile $LOGFILE(.gz) nicht gefunden." >&2
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exit 1
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fi
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echo "Analysiere $LOGFILE"
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echo
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printf "%-8s %-16s %-8s\n" "COUNT" "IP" "CODE"
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printf "%-8s %-16s %-8s\n" "-----" "----------------" "------"
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TF_CMD=""
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if [ $MINUTES -gt 0 ]; then
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START_TS=\$(date -d "-$MINUTES minutes" +"%b %_d %H:%M")
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echo "Zeitraum: letzte $MINUTES Minuten (ab \$START_TS)"
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TF_CMD="awk -v ts=\"\$START_TS\" '\$0 ~ ts,0'"
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elif [ $HOURS -gt 0 ]; then
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START_TS=\$(date -d "-$HOURS hours" +"%b %_d %H")
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echo "Zeitraum: letzte $HOURS Stunden (ab \$START_TS)"
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TF_CMD="awk -v ts=\"\$START_TS\" '\$0 ~ ts,0'"
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fi
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eval \$SRC \${TF_CMD:+| \$TF_CMD} \
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| grep -E 'outlook|hotmail' \
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| grep -E "$CODES_REGEX" \
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| awk '
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{
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code="NA"; ip="NA";
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for (i=1;i<=NF;i++) {
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if (\$i ~ /\(S[0-9]+\)/) { t=\$i; gsub(/[()]/,"",t); code=t }
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else if (\$i ~ /^S[0-9]+/) { code=\$i }
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if (\$i ~ /^\[[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+\]$/) {
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ip=\$i; gsub(/[\[\]]/,"",ip)
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}
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}
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print code, ip
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}
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' \
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| sort | uniq -c | sort -nr \
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| while read count code ip; do
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printf "%-8s %-16s %-8s\n" "\$count" "\$ip" "\$code"
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done
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EOF
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