1 files changed, 34 insertions, 0 deletions
diff --git a/src/validators/bgp-large-community-list b/src/validators/bgp-large-community-list
new file mode 100644
index 0000000..9ba5b27
--- /dev/null
+++ b/src/validators/bgp-large-community-list
@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2021-2023 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/>.
+
+import re
+import sys
+
+pattern = '(.*):(.*):(.*)'
+allowedChars = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '.', '+', '*', '?', '^', '$', '(', ')', '[', ']', '{', '}', '|', '\\', ':', '-' }
+
+if __name__ == '__main__':
+    if len(sys.argv) != 2:
+        sys.exit(1)
+
+    value = sys.argv[1].split(':')
+    if not len(value) == 3:
+        sys.exit(1)
+
+    if not (re.match(pattern, sys.argv[1]) and set(sys.argv[1]).issubset(allowedChars)):
+        sys.exit(1)
+
+    sys.exit(0)