scripts: Added roa.sh

scripts/roa.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+set -e
+
+INET4PFXLEN="29"
+INET6PFXLEN="64"
+
+print_record()
+{
+	printf "route %s max %d as %u;\n" "$1" "$2" "$3"
+}
+
+
+# PROGRAM BEGIN
+
+echo "# NeoNetwork ROA Tool"
+(
+for i in route*/* ; do
+	source "$i"
+	if [ "$TYPE" != PTP ]; then
+		prefix="${i#route*/}"
+		prefix="${prefix/,/\/}"
+		pfxlen="${i#*,}"
+
+		if [ "$TYPE" = "SUBNET" ]; then
+			if [ "$pfxlen" -le "$INET4PFXLEN" ]||[ "$pfxlen" -ge 32 ]&&[ "$pfxlen" -le "$INET6PFXLEN" ]; then
+				print_record "$prefix" "$INET4PFXLEN" "$ASN"
+			fi
+		elif [ "$TYPE" = "LO" ]; then
+			print_record "$prefix" 32 "$ASN"
+		fi
+	fi
+done
+)