Update netcup/update_tlsa_record.md
Prüfung hinzugefügt, dass ein bestehender 3 1 1 Eintrag ersetzt wird wenn er nciht den gleichen Wert hat. Vorher wurde ein weiterer angelegt. `jq` muss auf dem Server installiert sein.
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@@ -9,6 +9,7 @@ CUSTOMER_NUMBER=DEINE_KUNDENNUMMER
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API_KEY=DEIN_API_KEY
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API_KEY=DEIN_API_KEY
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API_PASSWORD=DEIN_API_PASSWORT
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API_PASSWORD=DEIN_API_PASSWORT
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DOMAIN=deine-domain.de
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DOMAIN=deine-domain.de
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MAIL_SERVICE=deine-mx-domain.de
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CERTIFICATE_PATH=PFAD_ZUR_fullchain.pem
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CERTIFICATE_PATH=PFAD_ZUR_fullchain.pem
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```
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```
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@@ -34,13 +35,24 @@ fi
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echo "Zertifikat gefunden: $CERTIFICATE_PATH"
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echo "Zertifikat gefunden: $CERTIFICATE_PATH"
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# TLSA-Hash generieren
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# TLSA-Hash generieren mit Fallback-Mechanismus
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TLSA_HASH=$(openssl x509 -in "$CERTIFICATE_PATH" -pubkey -noout | \
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TLSA_HASH=""
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openssl pkey -pubin -outform DER | \
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RETRY_COUNT=0
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openssl dgst -sha256 -binary | hexdump -ve '1/1 "%.2x"')
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MAX_RETRIES=3
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while [[ -z "$TLSA_HASH" && $RETRY_COUNT -lt $MAX_RETRIES ]]; do
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TLSA_HASH=$(openssl x509 -in "$CERTIFICATE_PATH" -pubkey -noout | \
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openssl pkey -pubin -outform DER | \
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openssl dgst -sha256 -binary | hexdump -ve '1/1 "%.2x"')
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if [[ -z "$TLSA_HASH" ]]; then
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((RETRY_COUNT++))
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echo "Fehler beim Generieren des TLSA-Hashes! Versuche erneut ($RETRY_COUNT/$MAX_RETRIES)"
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sleep 1
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fi
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done
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if [[ -z "$TLSA_HASH" ]]; then
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if [[ -z "$TLSA_HASH" ]]; then
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echo "Fehler beim Generieren des TLSA-Hashes!"
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echo "Fehler beim Generieren des TLSA-Hashes nach $MAX_RETRIES Versuchen!"
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exit 1
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exit 1
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fi
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fi
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@@ -79,16 +91,20 @@ DNS_RESPONSE=$(curl -s -X POST -H "Content-Type: application/json" \
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}
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}
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}' "$API_URL")
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}' "$API_URL")
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# JSON komprimieren für grep-Verarbeitung
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COMPACT_JSON=$(echo "$DNS_RESPONSE" | tr -d '\n' | tr -d '[:space:]')
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# TLSA-Record prüfen
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# TLSA-Record prüfen
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RECORDS=$(echo "$DNS_RESPONSE" | jq -r '.responsedata.dnsrecords')
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EXISTING_TLSA_RECORD=$(echo "$COMPACT_JSON" | grep -o '{"id":[^}]*"hostname":"_25._tcp.'"$MAIL_SERVICE"'"[^}]*"destination":"3[^}]*}')
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EXISTING_TLSA_RECORD=$(echo "$RECORDS" | jq -r ".[] | select(.hostname == \"_25._tcp.mail\" and .type == \"TLSA\")")
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if [[ -n "$EXISTING_TLSA_RECORD" ]]; then
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if [[ -n "$EXISTING_TLSA_RECORD" ]]; then
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EXISTING_DESTINATION=$(echo "$EXISTING_TLSA_RECORD" | jq -r '.destination')
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RECORD_ID=$(echo "$EXISTING_TLSA_RECORD" | grep -o '"id":"[^"]*"' | cut -d '"' -f 4)
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RECORD_ID=$(echo "$EXISTING_TLSA_RECORD" | jq -r '.id')
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EXISTING_DESTINATION=$(echo "$EXISTING_TLSA_RECORD" | grep -o '"destination":"[^"]*"' | cut -d '"' -f 4 | tr -d ' ')
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echo "Bestehender TLSA-Record gefunden: ID $RECORD_ID mit Wert $EXISTING_DESTINATION"
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if [[ "$EXISTING_DESTINATION" == "3 1 1 $TLSA_HASH" ]]; then
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# Entferne Leerzeichen aus TLSA_HASH für den Vergleich
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TLSA_HASH_COMPACT=$(echo "3 1 1 $TLSA_HASH" | tr -d ' ')
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if [[ "$EXISTING_DESTINATION" == "$TLSA_HASH_COMPACT" ]]; then
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echo "Der bestehende TLSA-Record hat bereits den korrekten Wert. Keine Änderungen erforderlich."
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echo "Der bestehende TLSA-Record hat bereits den korrekten Wert. Keine Änderungen erforderlich."
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# Logout
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# Logout
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curl -s -X POST -H "Content-Type: application/json" \
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curl -s -X POST -H "Content-Type: application/json" \
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@@ -103,45 +119,49 @@ if [[ -n "$EXISTING_TLSA_RECORD" ]]; then
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echo "Logout abgeschlossen."
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echo "Logout abgeschlossen."
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exit 0
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exit 0
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else
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echo "Der bestehende TLSA-Record unterscheidet sich vom neuen Wert. Aktualisierung wird durchgeführt."
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fi
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fi
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else
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else
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echo "Kein bestehender TLSA-Record gefunden. Ein neuer wird erstellt."
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echo "Kein bestehender TLSA-Record mit Typ '3 1 1' gefunden. Ein neuer wird erstellt."
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RECORD_ID=""
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RECORD_ID=""
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fi
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fi
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# Neuer oder aktualisierter TLSA-Record erstellen
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# Neuer oder aktualisierter TLSA-Record erstellen
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DNS_UPDATE_PAYLOAD='{
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if [[ -z "$EXISTING_TLSA_RECORD" || "$EXISTING_DESTINATION" != "$TLSA_HASH_COMPACT" ]]; then
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"action": "updateDnsRecords",
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DNS_UPDATE_PAYLOAD='{
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"param": {
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"action": "updateDnsRecords",
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"customernumber": "'"$CUSTOMER_NUMBER"'",
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"param": {
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"apikey": "'"$API_KEY"'",
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"customernumber": "'"$CUSTOMER_NUMBER"'",
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"apisessionid": "'"$SESSION_ID"'",
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"apikey": "'"$API_KEY"'",
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"domainname": "'"$DOMAIN"'",
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"apisessionid": "'"$SESSION_ID"'",
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"dnsrecordset": {
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"domainname": "'"$DOMAIN"'",
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"dnsrecords": [
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"dnsrecordset": {
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{
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"dnsrecords": [
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"id": "'"$RECORD_ID"'",
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{
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"hostname": "_25._tcp.mail",
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"id": "'"$RECORD_ID"'",
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"type": "TLSA",
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"hostname": "_25._tcp.'"$MAIL_SERVICE"'",
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"destination": "3 1 1 '"$TLSA_HASH"'",
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"type": "TLSA",
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"state": "yes"
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"destination": "3 1 1 '"$TLSA_HASH"'",
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}
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"state": "yes"
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]
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}
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]
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}
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}
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}
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}
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}'
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}'
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# DNS-Record aktualisieren
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# DNS-Record aktualisieren
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UPDATE_RESPONSE=$(curl -s -X POST -H "Content-Type: application/json" \
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UPDATE_RESPONSE=$(curl -s -X POST -H "Content-Type: application/json" \
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-d "$DNS_UPDATE_PAYLOAD" "$API_URL")
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-d "$DNS_UPDATE_PAYLOAD" "$API_URL")
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UPDATE_STATUS=$(echo "$UPDATE_RESPONSE" | jq -r '.status')
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UPDATE_STATUS=$(echo "$UPDATE_RESPONSE" | jq -r '.status')
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if [[ "$UPDATE_STATUS" == "success" ]]; then
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if [[ "$UPDATE_STATUS" == "success" ]]; then
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echo "TLSA-Record erfolgreich aktualisiert."
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echo "TLSA-Record erfolgreich aktualisiert."
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else
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else
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echo "Fehler beim Aktualisieren des TLSA-Records!"
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echo "Fehler beim Aktualisieren des TLSA-Records!"
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echo "$UPDATE_RESPONSE"
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echo "$UPDATE_RESPONSE"
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fi
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fi
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fi
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# Logout
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# Logout
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@@ -156,5 +176,4 @@ curl -s -X POST -H "Content-Type: application/json" \
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}' "$API_URL" > /dev/null
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}' "$API_URL" > /dev/null
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echo "Logout abgeschlossen."
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echo "Logout abgeschlossen."
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```
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```
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