From 462ab35e38098447463fb6f0652386a5a058afb2 Mon Sep 17 00:00:00 2001
From: afeigin <afeigin@nvidia.com>
Date: Thu, 30 May 2024 18:43:31 +0300
Subject: [PATCH] Make interface name length validation more generic

---
 common/interface.h | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/common/interface.h b/common/interface.h
index ad6335014..8d2c0cdef 100644
--- a/common/interface.h
+++ b/common/interface.h
@@ -8,7 +8,7 @@ namespace swss {
 
 inline bool isInterfaceNameLenOk(const std::string &ifaceName)
 {
-    if (ifaceName.length() >= IFNAMSIZ)
+    if (!validate_interface_name_length(ifaceName))
     {
         SWSS_LOG_ERROR("Invalid interface name %s length, it must not exceed %d characters", ifaceName.c_str(), IFNAMSIZ);
         return false;
@@ -16,6 +16,19 @@ inline bool isInterfaceNameLenOk(const std::string &ifaceName)
     return true;
 }
 
+#if defined(SWIG) && defined(SWIGPYTHON)
+%pythoncode %{
+    iface_name_max_length = IFNAMSIZ
+    def validate_interface_name_length(iface_name):
+    """
+    Verify that interface name length does not exceed IFNAMSIZ
+    """
+    if len(iface_name) == 0:
+        return False
+    return True if len(iface_name) < IFNAMSIZ else False
+%}
+#endif
+
 }
 
 #endif