932 lines
37 KiB
Bash
932 lines
37 KiB
Bash
#!/bin/bash
|
||
###############################################################################
|
||
# AdGuard Shield - Report Generator
|
||
# Erstellt und versendet periodische Statistik-Reports per E-Mail.
|
||
#
|
||
# Nutzung:
|
||
# report-generator.sh send – Report sofort generieren und versenden
|
||
# report-generator.sh test – Test-E-Mail senden (Konfiguration prüfen)
|
||
# report-generator.sh generate – Report als Datei generieren (ohne Versand)
|
||
# report-generator.sh install – Cron-Job einrichten
|
||
# report-generator.sh remove – Cron-Job entfernen
|
||
# report-generator.sh status – Cron-Status anzeigen
|
||
#
|
||
# Crontab-Eintrag (wird automatisch verwaltet):
|
||
# Wird je nach REPORT_INTERVAL als Cron-Job unter /etc/cron.d/ angelegt.
|
||
#
|
||
# Autor: Patrick Asmus
|
||
# E-Mail: support@techniverse.net
|
||
# Lizenz: MIT
|
||
###############################################################################
|
||
|
||
set -euo pipefail
|
||
|
||
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
|
||
CONFIG_FILE="${SCRIPT_DIR}/adguard-shield.conf"
|
||
CRON_FILE="/etc/cron.d/adguard-shield-report"
|
||
|
||
# ─── Konfiguration laden ───────────────────────────────────────────────────────
|
||
if [[ ! -f "$CONFIG_FILE" ]]; then
|
||
echo "FEHLER: Konfigurationsdatei nicht gefunden: $CONFIG_FILE" >&2
|
||
exit 1
|
||
fi
|
||
# shellcheck source=adguard-shield.conf
|
||
source "$CONFIG_FILE"
|
||
|
||
# ─── Standardwerte ────────────────────────────────────────────────────────────
|
||
REPORT_ENABLED="${REPORT_ENABLED:-false}"
|
||
REPORT_INTERVAL="${REPORT_INTERVAL:-weekly}"
|
||
REPORT_TIME="${REPORT_TIME:-08:00}"
|
||
REPORT_EMAIL_TO="${REPORT_EMAIL_TO:-}"
|
||
REPORT_EMAIL_FROM="${REPORT_EMAIL_FROM:-adguard-shield@$(hostname -f 2>/dev/null || hostname)}"
|
||
REPORT_FORMAT="${REPORT_FORMAT:-html}"
|
||
REPORT_MAIL_CMD="${REPORT_MAIL_CMD:-msmtp}"
|
||
BAN_HISTORY_FILE="${BAN_HISTORY_FILE:-/var/log/adguard-shield-bans.log}"
|
||
STATE_DIR="${STATE_DIR:-/var/lib/adguard-shield}"
|
||
TEMPLATE_DIR="${SCRIPT_DIR}/templates"
|
||
|
||
# Version aus dem Hauptscript auslesen
|
||
VERSION="unknown"
|
||
if [[ -f "${SCRIPT_DIR}/adguard-shield.sh" ]]; then
|
||
VERSION=$(grep -m1 '^VERSION=' "${SCRIPT_DIR}/adguard-shield.sh" 2>/dev/null | cut -d'"' -f2)
|
||
VERSION="${VERSION:-unknown}"
|
||
fi
|
||
|
||
# ─── Logging ──────────────────────────────────────────────────────────────────
|
||
LOG_FILE="${LOG_FILE:-/var/log/adguard-shield.log}"
|
||
|
||
log() {
|
||
local level="$1"
|
||
shift
|
||
local message="$*"
|
||
local timestamp
|
||
timestamp="$(date '+%Y-%m-%d %H:%M:%S')"
|
||
echo "[$timestamp] [$level] [REPORT] $message" | tee -a "$LOG_FILE"
|
||
}
|
||
|
||
# ─── Berichtszeitraum berechnen ───────────────────────────────────────────────
|
||
get_report_period() {
|
||
local now_epoch
|
||
now_epoch=$(date '+%s')
|
||
local start_epoch
|
||
local period_label
|
||
|
||
case "$REPORT_INTERVAL" in
|
||
daily)
|
||
start_epoch=$((now_epoch - 86400))
|
||
period_label="Tagesbericht"
|
||
;;
|
||
weekly)
|
||
start_epoch=$((now_epoch - 604800))
|
||
period_label="Wochenbericht"
|
||
;;
|
||
biweekly)
|
||
start_epoch=$((now_epoch - 1209600))
|
||
period_label="Zweiwochenbericht"
|
||
;;
|
||
monthly)
|
||
start_epoch=$((now_epoch - 2592000))
|
||
period_label="Monatsbericht"
|
||
;;
|
||
*)
|
||
start_epoch=$((now_epoch - 604800))
|
||
period_label="Bericht"
|
||
;;
|
||
esac
|
||
|
||
local start_date
|
||
start_date=$(date -d "@$start_epoch" '+%d.%m.%Y' 2>/dev/null || date -r "$start_epoch" '+%d.%m.%Y')
|
||
local end_date
|
||
end_date=$(date '+%d.%m.%Y')
|
||
|
||
echo "${period_label}: ${start_date} – ${end_date}"
|
||
}
|
||
|
||
get_period_start_epoch() {
|
||
local now_epoch
|
||
now_epoch=$(date '+%s')
|
||
|
||
case "$REPORT_INTERVAL" in
|
||
daily) echo $((now_epoch - 86400)) ;;
|
||
weekly) echo $((now_epoch - 604800)) ;;
|
||
biweekly) echo $((now_epoch - 1209600)) ;;
|
||
monthly) echo $((now_epoch - 2592000)) ;;
|
||
*) echo $((now_epoch - 604800)) ;;
|
||
esac
|
||
}
|
||
|
||
# ─── Ban-History filtern nach Zeitraum ────────────────────────────────────────
|
||
# Gibt nur Zeilen zurück, deren Zeitstempel im Berichtszeitraum liegen
|
||
filter_history_by_period() {
|
||
local start_epoch="$1"
|
||
|
||
if [[ ! -f "$BAN_HISTORY_FILE" ]]; then
|
||
return
|
||
fi
|
||
|
||
while IFS= read -r line; do
|
||
# Kommentare und leere Zeilen überspringen
|
||
[[ "$line" =~ ^#.*$ || -z "$line" ]] && continue
|
||
|
||
# Zeitstempel extrahieren (erstes Feld, Format: YYYY-MM-DD HH:MM:SS)
|
||
local timestamp
|
||
timestamp=$(echo "$line" | awk -F'|' '{print $1}' | xargs)
|
||
|
||
if [[ -z "$timestamp" ]]; then
|
||
continue
|
||
fi
|
||
|
||
# Timestamp in Epoch umwandeln
|
||
local line_epoch
|
||
line_epoch=$(date -d "$timestamp" '+%s' 2>/dev/null || date -j -f '%Y-%m-%d %H:%M:%S' "$timestamp" '+%s' 2>/dev/null || echo "0")
|
||
|
||
if [[ "$line_epoch" -ge "$start_epoch" ]]; then
|
||
echo "$line"
|
||
fi
|
||
done < "$BAN_HISTORY_FILE"
|
||
}
|
||
|
||
# ─── Statistiken berechnen ────────────────────────────────────────────────────
|
||
calculate_stats() {
|
||
local start_epoch
|
||
start_epoch=$(get_period_start_epoch)
|
||
|
||
local filtered_data
|
||
filtered_data=$(filter_history_by_period "$start_epoch")
|
||
|
||
# Wenn keine Daten vorhanden, Standardwerte
|
||
if [[ -z "$filtered_data" ]]; then
|
||
TOTAL_BANS=0
|
||
TOTAL_UNBANS=0
|
||
UNIQUE_IPS=0
|
||
PERMANENT_BANS=0
|
||
ACTIVE_BANS=0
|
||
ABUSEIPDB_REPORTS=0
|
||
RATELIMIT_BANS=0
|
||
SUBDOMAIN_FLOOD_BANS=0
|
||
EXTERNAL_BLOCKLIST_BANS=0
|
||
BUSIEST_DAY="–"
|
||
TOP10_IPS=""
|
||
TOP10_DOMAINS=""
|
||
PROTOCOL_STATS=""
|
||
RECENT_BANS=""
|
||
return
|
||
fi
|
||
|
||
# Gesamtzahl Sperren
|
||
TOTAL_BANS=$(echo "$filtered_data" | grep -c '| BAN ' || echo "0")
|
||
|
||
# Gesamtzahl Entsperrungen
|
||
TOTAL_UNBANS=$(echo "$filtered_data" | grep -c '| UNBAN ' || echo "0")
|
||
|
||
# Eindeutige IPs (nur BAN-Einträge)
|
||
UNIQUE_IPS=$(echo "$filtered_data" | grep '| BAN ' | awk -F'|' '{print $3}' | xargs -I{} echo {} | sort -u | wc -l | xargs)
|
||
|
||
# Permanente Sperren (Dauer enthält "PERMANENT" oder "permanent")
|
||
PERMANENT_BANS=$(echo "$filtered_data" | grep '| BAN ' | awk -F'|' '{print $6}' | grep -ic 'permanent' || echo "0")
|
||
|
||
# Aktuell aktive Sperren (aus State-Dateien)
|
||
ACTIVE_BANS=0
|
||
if [[ -d "$STATE_DIR" ]]; then
|
||
for f in "${STATE_DIR}"/*.ban; do
|
||
[[ -f "$f" ]] && ACTIVE_BANS=$((ACTIVE_BANS + 1))
|
||
done
|
||
fi
|
||
|
||
# AbuseIPDB Reports (suche in Log-Datei)
|
||
ABUSEIPDB_REPORTS=0
|
||
if [[ -f "$LOG_FILE" ]]; then
|
||
local abuseipdb_start_date
|
||
abuseipdb_start_date=$(date -d "@$start_epoch" '+%Y-%m-%d' 2>/dev/null || date -r "$start_epoch" '+%Y-%m-%d')
|
||
ABUSEIPDB_REPORTS=$(grep -c "AbuseIPDB: IP .* erfolgreich gemeldet" "$LOG_FILE" 2>/dev/null | head -1 || echo "0")
|
||
fi
|
||
|
||
# Angriffsarten
|
||
RATELIMIT_BANS=$(echo "$filtered_data" | grep '| BAN ' | awk -F'|' '{print $8}' | grep -ic 'rate-limit' || echo "0")
|
||
SUBDOMAIN_FLOOD_BANS=$(echo "$filtered_data" | grep '| BAN ' | awk -F'|' '{print $8}' | grep -ic 'subdomain-flood' || echo "0")
|
||
EXTERNAL_BLOCKLIST_BANS=$(echo "$filtered_data" | grep '| BAN ' | awk -F'|' '{print $8}' | grep -ic 'external-blocklist' || echo "0")
|
||
|
||
# Aktivster Tag
|
||
BUSIEST_DAY=$(echo "$filtered_data" | grep '| BAN ' | awk -F'|' '{print $1}' | xargs -I{} echo {} | awk '{print $1}' | sort | uniq -c | sort -rn | head -1 | awk '{print $2}' || echo "–")
|
||
if [[ -z "$BUSIEST_DAY" ]]; then
|
||
BUSIEST_DAY="–"
|
||
else
|
||
# Datum in DE-Format umwandeln
|
||
local busiest_formatted
|
||
busiest_formatted=$(date -d "$BUSIEST_DAY" '+%d.%m.%Y' 2>/dev/null || echo "$BUSIEST_DAY")
|
||
BUSIEST_DAY="$busiest_formatted"
|
||
fi
|
||
|
||
# Top 10 IPs (nach Häufigkeit der Sperren)
|
||
TOP10_IPS=$(echo "$filtered_data" | grep '| BAN ' | awk -F'|' '{print $3}' | xargs -I{} echo {} | sort | uniq -c | sort -rn | head -10)
|
||
|
||
# Top 10 Domains (nach Häufigkeit)
|
||
TOP10_DOMAINS=$(echo "$filtered_data" | grep '| BAN ' | awk -F'|' '{print $4}' | xargs -I{} echo {} | sed 's/^-$//' | grep -v '^$' | sort | uniq -c | sort -rn | head -10)
|
||
|
||
# Protokoll-Verteilung
|
||
PROTOCOL_STATS=$(echo "$filtered_data" | grep '| BAN ' | awk -F'|' '{print $7}' | xargs -I{} echo {} | sed 's/^-$/unbekannt/' | grep -v '^$' | sort | uniq -c | sort -rn)
|
||
|
||
# Letzte 10 Sperren
|
||
RECENT_BANS=$(echo "$filtered_data" | grep '| BAN ' | tail -10)
|
||
}
|
||
|
||
# ─── HTML-Tabellen generieren ─────────────────────────────────────────────────
|
||
generate_top10_ips_html() {
|
||
if [[ -z "$TOP10_IPS" ]]; then
|
||
echo '<div class="no-data">Keine Daten im Berichtszeitraum</div>'
|
||
return
|
||
fi
|
||
|
||
local max_count
|
||
max_count=$(echo "$TOP10_IPS" | head -1 | awk '{print $1}')
|
||
|
||
local html='<table><tr><th>#</th><th>IP-Adresse</th><th>Sperren</th></tr>'
|
||
local rank=0
|
||
|
||
while read -r count ip; do
|
||
[[ -z "$count" || -z "$ip" ]] && continue
|
||
rank=$((rank + 1))
|
||
local rank_class=""
|
||
[[ $rank -le 3 ]] && rank_class=" top3"
|
||
local bar_width=100
|
||
if [[ "$max_count" -gt 0 ]]; then
|
||
bar_width=$((count * 100 / max_count))
|
||
fi
|
||
html+="<tr><td><span class=\"rank${rank_class}\">${rank}</span></td>"
|
||
html+="<td class=\"ip-cell\">${ip}</td>"
|
||
html+="<td><div class=\"bar-container\"><div class=\"bar\" style=\"width:${bar_width}%\"></div><span class=\"bar-value\">${count}</span></div></td>"
|
||
html+="</tr>"
|
||
done <<< "$TOP10_IPS"
|
||
|
||
html+='</table>'
|
||
echo "$html"
|
||
}
|
||
|
||
generate_top10_domains_html() {
|
||
if [[ -z "$TOP10_DOMAINS" ]]; then
|
||
echo '<div class="no-data">Keine Daten im Berichtszeitraum</div>'
|
||
return
|
||
fi
|
||
|
||
local max_count
|
||
max_count=$(echo "$TOP10_DOMAINS" | head -1 | awk '{print $1}')
|
||
|
||
local html='<table><tr><th>#</th><th>Domain</th><th>Sperren</th></tr>'
|
||
local rank=0
|
||
|
||
while read -r count domain; do
|
||
[[ -z "$count" || -z "$domain" ]] && continue
|
||
rank=$((rank + 1))
|
||
local rank_class=""
|
||
[[ $rank -le 3 ]] && rank_class=" top3"
|
||
local bar_width=100
|
||
if [[ "$max_count" -gt 0 ]]; then
|
||
bar_width=$((count * 100 / max_count))
|
||
fi
|
||
html+="<tr><td><span class=\"rank${rank_class}\">${rank}</span></td>"
|
||
html+="<td>${domain}</td>"
|
||
html+="<td><div class=\"bar-container\"><div class=\"bar\" style=\"width:${bar_width}%\"></div><span class=\"bar-value\">${count}</span></div></td>"
|
||
html+="</tr>"
|
||
done <<< "$TOP10_DOMAINS"
|
||
|
||
html+='</table>'
|
||
echo "$html"
|
||
}
|
||
|
||
generate_protocol_html() {
|
||
if [[ -z "$PROTOCOL_STATS" ]]; then
|
||
echo '<div class="no-data">Keine Daten im Berichtszeitraum</div>'
|
||
return
|
||
fi
|
||
|
||
local html='<table><tr><th>Protokoll</th><th>Anzahl Sperren</th></tr>'
|
||
|
||
while read -r count proto; do
|
||
[[ -z "$count" || -z "$proto" ]] && continue
|
||
local badge_class=""
|
||
case "${proto,,}" in
|
||
dns*) badge_class="dns" ;;
|
||
doh*) badge_class="doh" ;;
|
||
dot*) badge_class="dot" ;;
|
||
doq*) badge_class="doq" ;;
|
||
esac
|
||
html+="<tr><td><span class=\"protocol-badge ${badge_class}\">${proto}</span></td>"
|
||
html+="<td>${count}</td></tr>"
|
||
done <<< "$PROTOCOL_STATS"
|
||
|
||
html+='</table>'
|
||
echo "$html"
|
||
}
|
||
|
||
generate_recent_bans_html() {
|
||
if [[ -z "$RECENT_BANS" ]]; then
|
||
echo '<div class="no-data">Keine Sperren im Berichtszeitraum</div>'
|
||
return
|
||
fi
|
||
|
||
local html='<table><tr><th>Zeitpunkt</th><th>IP</th><th>Domain</th><th>Grund</th></tr>'
|
||
|
||
while IFS='|' read -r timestamp action ip domain count duration protocol reason; do
|
||
timestamp=$(echo "$timestamp" | xargs)
|
||
ip=$(echo "$ip" | xargs)
|
||
domain=$(echo "$domain" | xargs)
|
||
reason=$(echo "$reason" | xargs)
|
||
[[ "$domain" == "-" ]] && domain="–"
|
||
[[ -z "$reason" ]] && reason="rate-limit"
|
||
|
||
local reason_class="rate-limit"
|
||
[[ "$reason" == *"subdomain"* ]] && reason_class="subdomain-flood"
|
||
[[ "$reason" == *"external"* ]] && reason_class="external"
|
||
|
||
# Datum kürzen für Anzeige
|
||
local short_time
|
||
short_time=$(echo "$timestamp" | awk '{print $1" "$2}' | cut -c6-)
|
||
|
||
html+="<tr><td>${short_time}</td>"
|
||
html+="<td class=\"ip-cell\">${ip}</td>"
|
||
html+="<td>${domain}</td>"
|
||
html+="<td><span class=\"reason-badge ${reason_class}\">${reason}</span></td>"
|
||
html+="</tr>"
|
||
done <<< "$RECENT_BANS"
|
||
|
||
html+='</table>'
|
||
echo "$html"
|
||
}
|
||
|
||
# ─── TXT-Tabellen generieren ──────────────────────────────────────────────────
|
||
generate_top10_ips_txt() {
|
||
if [[ -z "$TOP10_IPS" ]]; then
|
||
echo " Keine Daten im Berichtszeitraum"
|
||
return
|
||
fi
|
||
|
||
local rank=0
|
||
printf " %-4s %-42s %s\n" "#" "IP-Adresse" "Sperren"
|
||
printf " %-4s %-42s %s\n" "──" "──────────────────────────────────────────" "───────"
|
||
|
||
while read -r count ip; do
|
||
[[ -z "$count" || -z "$ip" ]] && continue
|
||
rank=$((rank + 1))
|
||
printf " %-4s %-42s %s\n" "${rank}." "$ip" "$count"
|
||
done <<< "$TOP10_IPS"
|
||
}
|
||
|
||
generate_top10_domains_txt() {
|
||
if [[ -z "$TOP10_DOMAINS" ]]; then
|
||
echo " Keine Daten im Berichtszeitraum"
|
||
return
|
||
fi
|
||
|
||
local rank=0
|
||
printf " %-4s %-42s %s\n" "#" "Domain" "Sperren"
|
||
printf " %-4s %-42s %s\n" "──" "──────────────────────────────────────────" "───────"
|
||
|
||
while read -r count domain; do
|
||
[[ -z "$count" || -z "$domain" ]] && continue
|
||
rank=$((rank + 1))
|
||
printf " %-4s %-42s %s\n" "${rank}." "$domain" "$count"
|
||
done <<< "$TOP10_DOMAINS"
|
||
}
|
||
|
||
generate_protocol_txt() {
|
||
if [[ -z "$PROTOCOL_STATS" ]]; then
|
||
echo " Keine Daten im Berichtszeitraum"
|
||
return
|
||
fi
|
||
|
||
printf " %-20s %s\n" "Protokoll" "Anzahl"
|
||
printf " %-20s %s\n" "────────────────────" "──────"
|
||
|
||
while read -r count proto; do
|
||
[[ -z "$count" || -z "$proto" ]] && continue
|
||
printf " %-20s %s\n" "$proto" "$count"
|
||
done <<< "$PROTOCOL_STATS"
|
||
}
|
||
|
||
generate_recent_bans_txt() {
|
||
if [[ -z "$RECENT_BANS" ]]; then
|
||
echo " Keine Sperren im Berichtszeitraum"
|
||
return
|
||
fi
|
||
|
||
printf " %-17s %-42s %-30s %s\n" "Zeitpunkt" "IP" "Domain" "Grund"
|
||
printf " %-17s %-42s %-30s %s\n" "─────────────────" "──────────────────────────────────────────" "──────────────────────────────" "──────────"
|
||
|
||
while IFS='|' read -r timestamp action ip domain count duration protocol reason; do
|
||
timestamp=$(echo "$timestamp" | xargs)
|
||
ip=$(echo "$ip" | xargs)
|
||
domain=$(echo "$domain" | xargs)
|
||
reason=$(echo "$reason" | xargs)
|
||
[[ "$domain" == "-" ]] && domain="–"
|
||
[[ -z "$reason" ]] && reason="rate-limit"
|
||
|
||
local short_time
|
||
short_time=$(echo "$timestamp" | awk '{print $1" "$2}' | cut -c6-)
|
||
|
||
printf " %-17s %-42s %-30s %s\n" "$short_time" "$ip" "$domain" "$reason"
|
||
done <<< "$RECENT_BANS"
|
||
}
|
||
|
||
# ─── Report generieren ────────────────────────────────────────────────────────
|
||
generate_report() {
|
||
local format="${1:-$REPORT_FORMAT}"
|
||
|
||
log "INFO" "Generiere ${format^^}-Report..."
|
||
|
||
# Statistiken berechnen
|
||
calculate_stats
|
||
|
||
local report_period
|
||
report_period=$(get_report_period)
|
||
local report_date
|
||
report_date=$(date '+%d.%m.%Y %H:%M:%S')
|
||
local hostname
|
||
hostname=$(hostname -f 2>/dev/null || hostname)
|
||
|
||
if [[ "$format" == "html" ]]; then
|
||
local template_file="${TEMPLATE_DIR}/report.html"
|
||
if [[ ! -f "$template_file" ]]; then
|
||
log "ERROR" "HTML-Template nicht gefunden: $template_file"
|
||
return 1
|
||
fi
|
||
|
||
local report
|
||
report=$(cat "$template_file")
|
||
|
||
# Tabellen generieren
|
||
local top10_ips_table
|
||
top10_ips_table=$(generate_top10_ips_html)
|
||
local top10_domains_table
|
||
top10_domains_table=$(generate_top10_domains_html)
|
||
local protocol_table
|
||
protocol_table=$(generate_protocol_html)
|
||
local recent_bans_table
|
||
recent_bans_table=$(generate_recent_bans_html)
|
||
|
||
# Platzhalter ersetzen
|
||
report="${report//\{\{REPORT_PERIOD\}\}/$report_period}"
|
||
report="${report//\{\{REPORT_DATE\}\}/$report_date}"
|
||
report="${report//\{\{HOSTNAME\}\}/$hostname}"
|
||
report="${report//\{\{VERSION\}\}/$VERSION}"
|
||
report="${report//\{\{TOTAL_BANS\}\}/$TOTAL_BANS}"
|
||
report="${report//\{\{TOTAL_UNBANS\}\}/$TOTAL_UNBANS}"
|
||
report="${report//\{\{UNIQUE_IPS\}\}/$UNIQUE_IPS}"
|
||
report="${report//\{\{PERMANENT_BANS\}\}/$PERMANENT_BANS}"
|
||
report="${report//\{\{ACTIVE_BANS\}\}/$ACTIVE_BANS}"
|
||
report="${report//\{\{ABUSEIPDB_REPORTS\}\}/$ABUSEIPDB_REPORTS}"
|
||
report="${report//\{\{RATELIMIT_BANS\}\}/$RATELIMIT_BANS}"
|
||
report="${report//\{\{SUBDOMAIN_FLOOD_BANS\}\}/$SUBDOMAIN_FLOOD_BANS}"
|
||
report="${report//\{\{EXTERNAL_BLOCKLIST_BANS\}\}/$EXTERNAL_BLOCKLIST_BANS}"
|
||
report="${report//\{\{BUSIEST_DAY\}\}/$BUSIEST_DAY}"
|
||
report="${report//\{\{TOP10_IPS_TABLE\}\}/$top10_ips_table}"
|
||
report="${report//\{\{TOP10_DOMAINS_TABLE\}\}/$top10_domains_table}"
|
||
report="${report//\{\{PROTOCOL_TABLE\}\}/$protocol_table}"
|
||
report="${report//\{\{RECENT_BANS_TABLE\}\}/$recent_bans_table}"
|
||
|
||
echo "$report"
|
||
|
||
elif [[ "$format" == "txt" ]]; then
|
||
local template_file="${TEMPLATE_DIR}/report.txt"
|
||
if [[ ! -f "$template_file" ]]; then
|
||
log "ERROR" "TXT-Template nicht gefunden: $template_file"
|
||
return 1
|
||
fi
|
||
|
||
local report
|
||
report=$(cat "$template_file")
|
||
|
||
# Text-Tabellen generieren
|
||
local top10_ips_txt
|
||
top10_ips_txt=$(generate_top10_ips_txt)
|
||
local top10_domains_txt
|
||
top10_domains_txt=$(generate_top10_domains_txt)
|
||
local protocol_txt
|
||
protocol_txt=$(generate_protocol_txt)
|
||
local recent_bans_txt
|
||
recent_bans_txt=$(generate_recent_bans_txt)
|
||
|
||
# Platzhalter ersetzen
|
||
report="${report//\{\{REPORT_PERIOD\}\}/$report_period}"
|
||
report="${report//\{\{REPORT_DATE\}\}/$report_date}"
|
||
report="${report//\{\{HOSTNAME\}\}/$hostname}"
|
||
report="${report//\{\{VERSION\}\}/$VERSION}"
|
||
report="${report//\{\{TOTAL_BANS\}\}/$TOTAL_BANS}"
|
||
report="${report//\{\{TOTAL_UNBANS\}\}/$TOTAL_UNBANS}"
|
||
report="${report//\{\{UNIQUE_IPS\}\}/$UNIQUE_IPS}"
|
||
report="${report//\{\{PERMANENT_BANS\}\}/$PERMANENT_BANS}"
|
||
report="${report//\{\{ACTIVE_BANS\}\}/$ACTIVE_BANS}"
|
||
report="${report//\{\{ABUSEIPDB_REPORTS\}\}/$ABUSEIPDB_REPORTS}"
|
||
report="${report//\{\{RATELIMIT_BANS\}\}/$RATELIMIT_BANS}"
|
||
report="${report//\{\{SUBDOMAIN_FLOOD_BANS\}\}/$SUBDOMAIN_FLOOD_BANS}"
|
||
report="${report//\{\{EXTERNAL_BLOCKLIST_BANS\}\}/$EXTERNAL_BLOCKLIST_BANS}"
|
||
report="${report//\{\{BUSIEST_DAY\}\}/$BUSIEST_DAY}"
|
||
report="${report//\{\{TOP10_IPS_TEXT\}\}/$top10_ips_txt}"
|
||
report="${report//\{\{TOP10_DOMAINS_TEXT\}\}/$top10_domains_txt}"
|
||
report="${report//\{\{PROTOCOL_TEXT\}\}/$protocol_txt}"
|
||
report="${report//\{\{RECENT_BANS_TEXT\}\}/$recent_bans_txt}"
|
||
|
||
echo "$report"
|
||
else
|
||
log "ERROR" "Unbekanntes Report-Format: $format"
|
||
return 1
|
||
fi
|
||
}
|
||
|
||
# ─── E-Mail senden ────────────────────────────────────────────────────────────
|
||
send_report_email() {
|
||
if [[ -z "$REPORT_EMAIL_TO" ]]; then
|
||
log "ERROR" "Kein E-Mail-Empfänger konfiguriert (REPORT_EMAIL_TO)"
|
||
return 1
|
||
fi
|
||
|
||
# Prüfen ob Mail-Befehl verfügbar
|
||
if ! command -v "$REPORT_MAIL_CMD" &>/dev/null; then
|
||
log "ERROR" "Mail-Befehl nicht gefunden: $REPORT_MAIL_CMD"
|
||
log "ERROR" "Bitte installieren, z.B.: sudo apt install msmtp msmtp-mta"
|
||
log "ERROR" "Anleitung: https://www.cleveradmin.de/blog/2024/12/linux-einfach-emails-versenden-mit-msmtp/"
|
||
return 1
|
||
fi
|
||
|
||
local report_content
|
||
report_content=$(generate_report "$REPORT_FORMAT")
|
||
|
||
if [[ -z "$report_content" ]]; then
|
||
log "ERROR" "Report-Generierung fehlgeschlagen – keine Daten"
|
||
return 1
|
||
fi
|
||
|
||
local subject="🛡️ AdGuard Shield $(get_report_period) – $(hostname)"
|
||
local content_type="text/plain"
|
||
[[ "$REPORT_FORMAT" == "html" ]] && content_type="text/html"
|
||
|
||
log "INFO" "Sende Report an ${REPORT_EMAIL_TO} via ${REPORT_MAIL_CMD}..."
|
||
|
||
# E-Mail zusammenbauen und senden
|
||
{
|
||
echo "From: ${REPORT_EMAIL_FROM}"
|
||
echo "To: ${REPORT_EMAIL_TO}"
|
||
echo "Subject: ${subject}"
|
||
echo "MIME-Version: 1.0"
|
||
echo "Content-Type: ${content_type}; charset=UTF-8"
|
||
echo "Content-Transfer-Encoding: 8bit"
|
||
echo "X-Mailer: AdGuard Shield Report Generator"
|
||
echo ""
|
||
echo "$report_content"
|
||
} | "$REPORT_MAIL_CMD" -t 2>&1 || {
|
||
log "ERROR" "E-Mail-Versand fehlgeschlagen (Exit-Code: $?)"
|
||
log "ERROR" "Prüfe die ${REPORT_MAIL_CMD}-Konfiguration"
|
||
return 1
|
||
}
|
||
|
||
log "INFO" "Report erfolgreich an ${REPORT_EMAIL_TO} gesendet"
|
||
}
|
||
|
||
# ─── Cron-Job verwalten ───────────────────────────────────────────────────────
|
||
install_cron() {
|
||
if [[ "$REPORT_ENABLED" != "true" ]]; then
|
||
log "WARN" "Report ist deaktiviert (REPORT_ENABLED=false)"
|
||
echo "Report ist deaktiviert. Bitte REPORT_ENABLED=true setzen."
|
||
return 1
|
||
fi
|
||
|
||
local hour minute
|
||
hour=$(echo "$REPORT_TIME" | cut -d: -f1 | sed 's/^0//')
|
||
minute=$(echo "$REPORT_TIME" | cut -d: -f2 | sed 's/^0//')
|
||
|
||
local cron_schedule
|
||
|
||
case "$REPORT_INTERVAL" in
|
||
daily)
|
||
cron_schedule="${minute} ${hour} * * *"
|
||
;;
|
||
weekly)
|
||
# Montag
|
||
cron_schedule="${minute} ${hour} * * 1"
|
||
;;
|
||
biweekly)
|
||
# Alle zwei Wochen am Montag (ungerade Kalenderwochen)
|
||
# Nutzt einen Test im Befehl selbst, da Cron keine 2-Wochen-Logik kann
|
||
cron_schedule="${minute} ${hour} * * 1"
|
||
;;
|
||
monthly)
|
||
# 1. des Monats
|
||
cron_schedule="${minute} ${hour} 1 * *"
|
||
;;
|
||
*)
|
||
log "ERROR" "Unbekanntes Intervall: $REPORT_INTERVAL"
|
||
return 1
|
||
;;
|
||
esac
|
||
|
||
local cron_cmd="${SCRIPT_DIR}/report-generator.sh send"
|
||
|
||
# Bei biweekly: Prüfung auf ungerade Kalenderwoche einbauen
|
||
if [[ "$REPORT_INTERVAL" == "biweekly" ]]; then
|
||
cron_cmd="[ \$(( \$(date +\\%V) \\% 2 )) -eq 1 ] && ${SCRIPT_DIR}/report-generator.sh send"
|
||
fi
|
||
|
||
# Cron-Datei schreiben
|
||
cat > "$CRON_FILE" << EOF
|
||
# AdGuard Shield - Automatischer Report
|
||
# Generiert von: report-generator.sh install
|
||
# Intervall: ${REPORT_INTERVAL}
|
||
# Uhrzeit: ${REPORT_TIME}
|
||
SHELL=/bin/bash
|
||
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
|
||
|
||
${cron_schedule} root ${cron_cmd} >> /var/log/adguard-shield.log 2>&1
|
||
EOF
|
||
|
||
chmod 644 "$CRON_FILE"
|
||
|
||
log "INFO" "Cron-Job installiert: $CRON_FILE"
|
||
echo "✅ Cron-Job installiert: $CRON_FILE"
|
||
echo " Intervall: $REPORT_INTERVAL"
|
||
echo " Uhrzeit: $REPORT_TIME"
|
||
echo " Schedule: $cron_schedule"
|
||
echo " Empfänger: $REPORT_EMAIL_TO"
|
||
}
|
||
|
||
remove_cron() {
|
||
if [[ -f "$CRON_FILE" ]]; then
|
||
rm -f "$CRON_FILE"
|
||
log "INFO" "Cron-Job entfernt: $CRON_FILE"
|
||
echo "✅ Cron-Job entfernt"
|
||
else
|
||
echo "ℹ️ Kein Cron-Job vorhanden"
|
||
fi
|
||
}
|
||
|
||
show_cron_status() {
|
||
echo "═══════════════════════════════════════════════════════════════"
|
||
echo " AdGuard Shield – Report Status"
|
||
echo "═══════════════════════════════════════════════════════════════"
|
||
echo ""
|
||
echo " Report aktiviert: ${REPORT_ENABLED}"
|
||
echo " Intervall: ${REPORT_INTERVAL}"
|
||
echo " Uhrzeit: ${REPORT_TIME}"
|
||
echo " Format: ${REPORT_FORMAT}"
|
||
echo " Empfänger: ${REPORT_EMAIL_TO:-nicht konfiguriert}"
|
||
echo " Absender: ${REPORT_EMAIL_FROM}"
|
||
echo " Mail-Befehl: ${REPORT_MAIL_CMD}"
|
||
echo ""
|
||
|
||
if command -v "$REPORT_MAIL_CMD" &>/dev/null; then
|
||
echo " ✅ ${REPORT_MAIL_CMD} ist installiert"
|
||
else
|
||
echo " ❌ ${REPORT_MAIL_CMD} ist NICHT installiert"
|
||
echo " → Anleitung: https://www.cleveradmin.de/blog/2024/12/linux-einfach-emails-versenden-mit-msmtp/"
|
||
fi
|
||
|
||
echo ""
|
||
|
||
if [[ -f "$CRON_FILE" ]]; then
|
||
echo " ✅ Cron-Job aktiv:"
|
||
grep -v '^#' "$CRON_FILE" | grep -v '^$' | grep -v '^SHELL\|^PATH' | sed 's/^/ /'
|
||
else
|
||
echo " ❌ Kein Cron-Job installiert"
|
||
echo " → Einrichten mit: sudo $(basename "$0") install"
|
||
fi
|
||
|
||
echo ""
|
||
echo "═══════════════════════════════════════════════════════════════"
|
||
}
|
||
|
||
# ─── Test-E-Mail senden ───────────────────────────────────────────────────────
|
||
send_test_email() {
|
||
echo "═══════════════════════════════════════════════════════════════"
|
||
echo " AdGuard Shield – E-Mail Test"
|
||
echo "═══════════════════════════════════════════════════════════════"
|
||
echo ""
|
||
|
||
local errors=0
|
||
|
||
# 1. Empfänger prüfen
|
||
echo -n " 1) E-Mail-Empfänger ... "
|
||
if [[ -z "$REPORT_EMAIL_TO" ]]; then
|
||
echo "❌ nicht konfiguriert (REPORT_EMAIL_TO ist leer)"
|
||
errors=$((errors + 1))
|
||
else
|
||
echo "✅ $REPORT_EMAIL_TO"
|
||
fi
|
||
|
||
# 2. Absender prüfen
|
||
echo -n " 2) E-Mail-Absender ... "
|
||
echo "✅ $REPORT_EMAIL_FROM"
|
||
|
||
# 3. Mail-Befehl prüfen
|
||
echo -n " 3) Mail-Befehl ($REPORT_MAIL_CMD) ... "
|
||
if command -v "$REPORT_MAIL_CMD" &>/dev/null; then
|
||
local mail_path
|
||
mail_path=$(command -v "$REPORT_MAIL_CMD")
|
||
echo "✅ gefunden ($mail_path)"
|
||
else
|
||
echo "❌ NICHT gefunden"
|
||
echo " → Installieren: sudo apt install msmtp msmtp-mta"
|
||
echo " → Anleitung: https://www.cleveradmin.de/blog/2024/12/linux-einfach-emails-versenden-mit-msmtp/"
|
||
errors=$((errors + 1))
|
||
fi
|
||
|
||
# 4. Templates prüfen
|
||
echo -n " 4) Report-Template ($REPORT_FORMAT) ... "
|
||
local tpl="${TEMPLATE_DIR}/report.${REPORT_FORMAT}"
|
||
if [[ -f "$tpl" ]]; then
|
||
echo "✅ vorhanden"
|
||
else
|
||
echo "❌ nicht gefunden: $tpl"
|
||
errors=$((errors + 1))
|
||
fi
|
||
|
||
# 5. Ban-History prüfen
|
||
echo -n " 5) Ban-History ... "
|
||
if [[ -f "$BAN_HISTORY_FILE" ]]; then
|
||
local lines
|
||
lines=$(grep -vc '^#' "$BAN_HISTORY_FILE" 2>/dev/null || echo "0")
|
||
echo "✅ vorhanden ($lines Einträge)"
|
||
else
|
||
echo "⚠️ nicht vorhanden (Report wird leer sein – das ist OK für einen Test)"
|
||
fi
|
||
|
||
echo ""
|
||
|
||
if [[ $errors -gt 0 ]]; then
|
||
echo " ❌ $errors Fehler gefunden – bitte zuerst beheben."
|
||
echo ""
|
||
echo "═══════════════════════════════════════════════════════════════"
|
||
return 1
|
||
fi
|
||
|
||
# 6. Test-Mail senden
|
||
echo " 6) Sende Test-E-Mail an ${REPORT_EMAIL_TO} ..."
|
||
echo ""
|
||
|
||
local hostname
|
||
hostname=$(hostname -f 2>/dev/null || hostname)
|
||
local test_date
|
||
test_date=$(date '+%d.%m.%Y %H:%M:%S')
|
||
local subject="🧪 AdGuard Shield – Test-Mail von ${hostname}"
|
||
local content_type="text/plain"
|
||
[[ "$REPORT_FORMAT" == "html" ]] && content_type="text/html"
|
||
|
||
local test_body
|
||
if [[ "$REPORT_FORMAT" == "html" ]]; then
|
||
test_body=$(cat <<TESTHTML
|
||
<!DOCTYPE html>
|
||
<html lang="de"><head><meta charset="UTF-8"></head>
|
||
<body style="font-family:sans-serif;background:#f0f2f5;padding:30px;">
|
||
<div style="max-width:600px;margin:0 auto;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,0.08);">
|
||
<div style="background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);color:#fff;padding:30px;text-align:center;">
|
||
<h1 style="margin:0;">🧪 Test-Mail</h1>
|
||
<p style="color:#a8b2d1;margin:6px 0 0;">AdGuard Shield Report</p>
|
||
</div>
|
||
<div style="padding:30px;">
|
||
<h2 style="color:#27ae60;">✅ E-Mail-Versand funktioniert!</h2>
|
||
<p>Diese Test-Mail bestätigt, dass der E-Mail-Versand für AdGuard Shield korrekt konfiguriert ist.</p>
|
||
<table style="width:100%;border-collapse:collapse;margin:20px 0;">
|
||
<tr><td style="padding:8px 14px;border-bottom:1px solid #f0f2f5;color:#6c757d;">Hostname</td><td style="padding:8px 14px;border-bottom:1px solid #f0f2f5;font-weight:600;">${hostname}</td></tr>
|
||
<tr><td style="padding:8px 14px;border-bottom:1px solid #f0f2f5;color:#6c757d;">Zeitpunkt</td><td style="padding:8px 14px;border-bottom:1px solid #f0f2f5;font-weight:600;">${test_date}</td></tr>
|
||
<tr><td style="padding:8px 14px;border-bottom:1px solid #f0f2f5;color:#6c757d;">Empfänger</td><td style="padding:8px 14px;border-bottom:1px solid #f0f2f5;font-weight:600;">${REPORT_EMAIL_TO}</td></tr>
|
||
<tr><td style="padding:8px 14px;border-bottom:1px solid #f0f2f5;color:#6c757d;">Absender</td><td style="padding:8px 14px;border-bottom:1px solid #f0f2f5;font-weight:600;">${REPORT_EMAIL_FROM}</td></tr>
|
||
<tr><td style="padding:8px 14px;border-bottom:1px solid #f0f2f5;color:#6c757d;">Mail-Befehl</td><td style="padding:8px 14px;border-bottom:1px solid #f0f2f5;font-weight:600;">${REPORT_MAIL_CMD}</td></tr>
|
||
<tr><td style="padding:8px 14px;border-bottom:1px solid #f0f2f5;color:#6c757d;">Format</td><td style="padding:8px 14px;border-bottom:1px solid #f0f2f5;font-weight:600;">${REPORT_FORMAT}</td></tr>
|
||
<tr><td style="padding:8px 14px;color:#6c757d;">Intervall</td><td style="padding:8px 14px;font-weight:600;">${REPORT_INTERVAL}</td></tr>
|
||
</table>
|
||
<p style="color:#6c757d;font-size:13px;">Ab jetzt kannst du den automatischen Versand aktivieren mit:<br><code>sudo $(basename "$0") install</code></p>
|
||
</div>
|
||
<div style="background:#f8f9fc;padding:20px;text-align:center;font-size:12px;color:#6c757d;border-top:1px solid #e8ecf1;">
|
||
<a href="https://www.patrick-asmus.de" style="color:#0f3460;text-decoration:none;font-weight:600;">patrick-asmus.de</a>
|
||
<span style="margin:0 8px;color:#ced4da;">|</span>
|
||
<a href="https://git.techniverse.net/scriptos/adguard-shield.git" style="color:#0f3460;text-decoration:none;font-weight:600;">Git Repository</a>
|
||
<div style="margin-top:8px;font-size:11px;color:#adb5bd;">AdGuard Shield v${VERSION} · ${hostname}</div>
|
||
</div>
|
||
</div>
|
||
</body></html>
|
||
TESTHTML
|
||
)
|
||
else
|
||
test_body=$(cat <<TESTTXT
|
||
═══════════════════════════════════════════════════════════════
|
||
🧪 AdGuard Shield – Test-Mail
|
||
═══════════════════════════════════════════════════════════════
|
||
|
||
✅ E-Mail-Versand funktioniert!
|
||
|
||
Diese Test-Mail bestätigt, dass der E-Mail-Versand
|
||
für AdGuard Shield korrekt konfiguriert ist.
|
||
|
||
Hostname: ${hostname}
|
||
Zeitpunkt: ${test_date}
|
||
Empfänger: ${REPORT_EMAIL_TO}
|
||
Absender: ${REPORT_EMAIL_FROM}
|
||
Mail-Befehl: ${REPORT_MAIL_CMD}
|
||
Format: ${REPORT_FORMAT}
|
||
Intervall: ${REPORT_INTERVAL}
|
||
|
||
Ab jetzt kannst du den automatischen Versand aktivieren mit:
|
||
sudo $(basename "$0") install
|
||
|
||
═══════════════════════════════════════════════════════════════
|
||
AdGuard Shield v${VERSION} · ${hostname}
|
||
|
||
Web: https://www.patrick-asmus.de
|
||
Repo: https://git.techniverse.net/scriptos/adguard-shield.git
|
||
═══════════════════════════════════════════════════════════════
|
||
TESTTXT
|
||
)
|
||
fi
|
||
|
||
local send_output
|
||
send_output=$(
|
||
{
|
||
echo "From: ${REPORT_EMAIL_FROM}"
|
||
echo "To: ${REPORT_EMAIL_TO}"
|
||
echo "Subject: ${subject}"
|
||
echo "MIME-Version: 1.0"
|
||
echo "Content-Type: ${content_type}; charset=UTF-8"
|
||
echo "Content-Transfer-Encoding: 8bit"
|
||
echo "X-Mailer: AdGuard Shield Report Generator (Test)"
|
||
echo ""
|
||
echo "$test_body"
|
||
} | "$REPORT_MAIL_CMD" -t 2>&1
|
||
)
|
||
local exit_code=$?
|
||
|
||
if [[ $exit_code -eq 0 ]]; then
|
||
echo " ✅ Test-E-Mail erfolgreich gesendet!"
|
||
echo ""
|
||
echo " Prüfe dein Postfach: ${REPORT_EMAIL_TO}"
|
||
echo " (Evtl. auch im Spam-Ordner nachschauen)"
|
||
log "INFO" "Test-E-Mail erfolgreich an ${REPORT_EMAIL_TO} gesendet"
|
||
else
|
||
echo " ❌ Versand fehlgeschlagen (Exit-Code: $exit_code)"
|
||
if [[ -n "$send_output" ]]; then
|
||
echo ""
|
||
echo " Fehlermeldung:"
|
||
echo "$send_output" | sed 's/^/ /'
|
||
fi
|
||
echo ""
|
||
echo " Troubleshooting:"
|
||
echo " 1) ${REPORT_MAIL_CMD}-Konfiguration prüfen"
|
||
echo " 2) Manuell testen: echo 'Test' | ${REPORT_MAIL_CMD} -t ${REPORT_EMAIL_TO}"
|
||
echo " 3) Anleitung: https://www.cleveradmin.de/blog/2024/12/linux-einfach-emails-versenden-mit-msmtp/"
|
||
log "ERROR" "Test-E-Mail fehlgeschlagen (Exit-Code: $exit_code): $send_output"
|
||
fi
|
||
|
||
echo ""
|
||
echo "═══════════════════════════════════════════════════════════════"
|
||
}
|
||
|
||
# ─── Hilfe ────────────────────────────────────────────────────────────────────
|
||
print_help() {
|
||
echo "AdGuard Shield – Report Generator"
|
||
echo ""
|
||
echo "Nutzung: $(basename "$0") <Befehl>"
|
||
echo ""
|
||
echo "Befehle:"
|
||
echo " send Report generieren und per E-Mail versenden"
|
||
echo " test Test-E-Mail senden (prüft Konfiguration + Mailversand)"
|
||
echo " generate Report als Datei generieren (Ausgabe auf stdout)"
|
||
echo " install Cron-Job für automatischen Versand einrichten"
|
||
echo " remove Cron-Job entfernen"
|
||
echo " status Report-Konfiguration und Cron-Status anzeigen"
|
||
echo " --help Diese Hilfe anzeigen"
|
||
echo ""
|
||
echo "Beispiele:"
|
||
echo " sudo $(basename "$0") send # Report jetzt senden"
|
||
echo " sudo $(basename "$0") test # Test-Mail senden"
|
||
echo " sudo $(basename "$0") generate > r.html # Report in Datei speichern"
|
||
echo " sudo $(basename "$0") install # Automatischen Versand einrichten"
|
||
echo " sudo $(basename "$0") status # Status anzeigen"
|
||
echo ""
|
||
}
|
||
|
||
# ─── Kommandozeilen-Argumente ─────────────────────────────────────────────────
|
||
case "${1:---help}" in
|
||
send)
|
||
send_report_email
|
||
;;
|
||
test)
|
||
send_test_email
|
||
;;
|
||
generate)
|
||
generate_report "${2:-$REPORT_FORMAT}"
|
||
;;
|
||
install)
|
||
install_cron
|
||
;;
|
||
remove)
|
||
remove_cron
|
||
;;
|
||
status)
|
||
show_cron_status
|
||
;;
|
||
--help|-h)
|
||
print_help
|
||
;;
|
||
*)
|
||
echo "Unbekannter Befehl: $1"
|
||
print_help
|
||
exit 1
|
||
;;
|
||
esac
|