Add documentation and service scripts for DMARC reporting.

DOC/DMARC-Report/dmarc-collect.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+BASE="/var/lib/dmarc"
+INBOX="$BASE/reports"
+PROC="$BASE/processed"
+LOGF="$BASE/logs/collector.log"
+
+umask 027
+
+TMPDIR="$(mktemp -d)"
+EML="$TMPDIR/mail.eml"
+cat > "$EML"
+
+ripmime --no-nameless --name-by-type --overwrite -i "$EML" -d "$TMPDIR" >>"$LOGF" 2>&1 || true
+
+TODAY="$(date -u +%Y/%m/%d)"
+OUTDIR="$INBOX/$TODAY"
+mkdir -p "$OUTDIR"
+
+moved=0
+shopt -s nullglob
+for f in "$TMPDIR"/*; do
+  case "$f" in
+    *.xml|*.XML|*.gz|*.zip)
+      sha="$(sha256sum "$f" | awk '{print $1}')"
+      base="$(basename "$f")"
+      dst="$OUTDIR/$(date -u +%Y%m%dT%H%M%SZ)_${sha:0:12}_$base"
+      mv "$f" "$dst"
+      echo "$(date -Is) stored $dst" >> "$LOGF"
+      moved=$((moved+1))
+      ;;
+    *) : ;;
+  esac
+done
+
+mkdir -p "$PROC"
+mv "$EML" "$PROC/$(date -u +%Y%m%dT%H%M%SZ)_mail.eml" || true
+rm -rf "$TMPDIR"
+
+if (( moved > 0 )); then
+  exit 0
+else
+  echo "$(date -Is) no usable attachment in message" >> "$LOGF"
+  exit 0
+fi
+