Lots of changes to the directories organisation, more work needed.
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@@ -0,0 +1,89 @@
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.numbus-server.services.clamav;
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clamav_notifier = pkgs.writeScript "clamav-notify.sh" ''
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#!${pkgs.bash}/bin/bash
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# Check if triggered by Real-time event (file exists)
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if [ -f /var/lib/clamav/virus_event.env ]; then
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source /var/lib/clamav/virus_event.env
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rm /var/lib/clamav/virus_event.env
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fi
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ADMIN_EMAIL="${config.numbus-server.mail.adminAddress}"
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USER_EMAIL="${config.numbus-server.mail.userAddress}"
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OWNER_NAME="${config.numbus-server.owner}"
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if [ -n "$CLAM_VIRUSEVENT_VIRUSNAME" ]; then
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# --- Real-time / VirusEvent Mode ---
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SUBJECT="Numbus Server Alert: Virus Detected (Real-time)"
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# Retrieve logs from clamav-daemon
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LOGS=$(journalctl -u clamav-daemon.service -n 50 --no-pager | grep "FOUND")
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TECH_BODY="
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ClamAV Real-time Alert:
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Server owner: $OWNER_NAME
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Virus detected: $CLAM_VIRUSEVENT_VIRUSNAME
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File: $CLAM_VIRUSEVENT_FILENAME
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Logs:
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$LOGS
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Action taken: Access blocked (OnAccessPrevention).
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Please investigate manually.
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"
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FRIENDLY_BODY="Cher/Chère $OWNER_NAME,
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L'antivirus de votre serveur a détecté et bloqué une menace en temps réel.
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Fichier : $CLAM_VIRUSEVENT_FILENAME
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Votre administrateur a été notifié.
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"
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else
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# --- Scheduled Scan Summary Mode ---
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SUBJECT="Numbus Server Alert: Virus Detected during Scheduled Scan"
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# Retrieve logs (clamdscan prints FOUND when a virus is detected)
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LOGS=$(journalctl -u clamav-periodic-scan.service -n 100 --no-pager | grep "FOUND")
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TECH_BODY="
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ClamAV Scan Alert:
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Server owner: $OWNER_NAME
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Viruses detected:
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$LOGS
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Action taken: Detection only.
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Please investigate manually.
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"
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FRIENDLY_BODY="Cher/Chère $OWNER_NAME,
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L'antivirus de votre serveur a détecté une menace potentielle lors de l'analyse périodique.
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Votre administrateur a été notifié avec les détails techniques.
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Nous vous conseillons d'être prudent avec vos fichiers récents.
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"
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fi
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printf "Subject: [ADMIN] %s\n\n%s" "$SUBJECT" "$TECH_BODY" | /run/wrappers/bin/sendmail -t "$ADMIN_EMAIL"
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printf "Subject: [Alerte] Menace détectée sur votre serveur Numbus\n\n%s\n\nMerci de votre confiance,\nL'équipe de support,\nNumbus-Server." "$FRIENDLY_BODY" | /run/wrappers/bin/sendmail -t "$USER_EMAIL"
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'';
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in
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{
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config = mkIf cfg.enable {
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systemd.services.clamav-virus-notify = {
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description = "Email notification for ClamAV virus detection";
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${clamav_notifier}";
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};
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};
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};
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}
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@@ -0,0 +1,55 @@
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{ config, pkgs, ... }:
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let
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systemd_notifier = pkgs.writeScript "systemd-email-notify.sh" ''
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#!${pkgs.bash}/bin/bash
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# The failing service name is passed as the first argument
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UNIT=$1
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# 1. Send Technical Email to Admin
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ADMIN_EMAIL="${config.numbus-server.mail.adminAddress}"
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SUBJECT="Numbus Server Alert: Service $UNIT Failed"
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# Retrieve recent logs for context
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LOGS=$(journalctl -u "$UNIT" -n 20 --no-pager)
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TECH_BODY="
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Systemd Service Failure Alert:
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Server owner: ${config.numbus-server.owner}
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Service: $UNIT
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Recent Logs:
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$LOGS
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"
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printf "Subject: [ADMIN] $SUBJECT\n\n$TECH_BODY" | /run/wrappers/bin/sendmail -t "$ADMIN_EMAIL"
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# 2. Send Friendly Email to Owner
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USER_EMAIL="${config.numbus-server.mail.userAddress}"
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OWNER_NAME="${config.numbus-server.owner}"
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FRIENDLY_BODY="Cher/Chère $OWNER_NAME,
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Votre serveur a détecté une défaillance du service $UNIT.
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Le système a tenté de gérer l'erreur, mais une intervention peut être nécessaire.
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Votre administrateur a été notifié de cet incident avec les détails techniques nécessaires.
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Il interviendra si une action manuelle est requise.
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Merci de votre confiance,
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L'équipe de support,
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Numbus-Server."
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printf "Subject: [Alerte] Erreur sur votre serveur Numbus\n\n$FRIENDLY_BODY" | /run/wrappers/bin/sendmail -t "$USER_EMAIL"
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'';
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in
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{
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systemd.services."service-failure-notify@" = {
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description = "Email notification for failed service %i";
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onFailure = [ ];
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${systemd_notifier} %i";
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};
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};
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}
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