bridge: T3137: Improved verification logic

1 files changed, 19 insertions, 0 deletions

diff --git a/src/validators/allowed-vlan b/src/validators/allowed-vlan
new file mode 100755
index 000000000..11389390b
--- /dev/null
+++ b/src/validators/allowed-vlan
@@ -0,0 +1,19 @@
+#! /usr/bin/python3
+
+import sys
+import re
+
+if __name__ == '__main__':
+    if len(sys.argv)>1:
+        allowed_vlan = sys.argv[1]
+        if re.search('[0-9]{1,4}-[0-9]{1,4}', allowed_vlan):
+            for tmp in allowed_vlan.split('-'):
+                if int(tmp) not in range(1, 4095):
+                    sys.exit(1)
+        else:
+            if int(allowed_vlan) not in range(1, 4095):
+                sys.exit(1)
+    else:
+        sys.exit(2)
+    
+    sys.exit(0)