From 31c97abb63c7223e224c399a7d474f012ecf8a45 Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Mon, 23 Aug 2021 11:46:54 +0200
Subject: containers: T2216: add environmnet variable constraint

An environment variable passed to podman can only consist out of alphanumeric
characters, a hypend and an underscore.
---
 interface-definitions/containers.xml.in | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/interface-definitions/containers.xml.in b/interface-definitions/containers.xml.in
index 124b1f65e..29762c171 100644
--- a/interface-definitions/containers.xml.in
+++ b/interface-definitions/containers.xml.in
@@ -25,6 +25,10 @@
           <tagNode name="environment">
             <properties>
               <help>Add custom environment variables</help>
+              <constraint>
+                <regex>^[-_a-zA-Z0-9]+$</regex>
+              </constraint>
+              <constraintErrorMessage>Environment variable name must be alphanumeric and can contain hyphen and underscores</constraintErrorMessage>
             </properties>
             <children>
               <leafNode name="value">
-- 
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