policy: T4414: add support for route-map "as-path prepend last-as x"

1 files changed, 29 insertions, 0 deletions

diff --git a/src/validators/as-number-list b/src/validators/as-number-list
new file mode 100755
index 000000000..432d44180
--- /dev/null
+++ b/src/validators/as-number-list
@@ -0,0 +1,29 @@
+#!/bin/sh
+#
+# Copyright (C) 2022 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+if [ $# -lt 1 ]; then
+      echo "Illegal number of parameters"
+      exit 1
+fi
+
+for var in "$@"; do
+    ${vyos_validators_dir}/numeric --range 1-4294967294 $var
+    if [ $? -ne 0 ]; then
+        exit 1
+    fi
+done
+
+exit 0