From 49bea0ba2f6435206aac47b0640dfb11eff15751 Mon Sep 17 00:00:00 2001
From: tschettervictor <85497460+tschettervictor@users.noreply.github.com>
Date: Mon, 25 Aug 2025 14:58:25 -0600
Subject: [PATCH] network: don't allow dots in interface name if -V

---
 usr/local/share/bastille/network.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/usr/local/share/bastille/network.sh b/usr/local/share/bastille/network.sh
index c6191b0b..757a012a 100644
--- a/usr/local/share/bastille/network.sh
+++ b/usr/local/share/bastille/network.sh
@@ -211,6 +211,13 @@ validate_netif() {
     else
         error_exit "Invalid: (${_interface})."
     fi
+
+	# Don't allow dots in INTERFACE if -V
+    if [ "${VNET}" -eq 1 ] && [ "${BRIDGE}" -eq 0 ]; then
+        if echo "${INTERFACE}" | grep -q "\."; then
+	        error_exit "[ERROR]: [-V|--vnet] does not support dots (.) in interface names."
+        fi
+    fi
 }
 
 check_interface_added() {