From 06ae7c04427220f19f18746aba8ba747fc95aab2 Mon Sep 17 00:00:00 2001
From: Robert Miles <khuxkm@tilde.team>
Date: Sat, 28 Nov 2020 10:07:27 +0000
Subject: [PATCH] Add "AUTH_TYPE" environment variable when client cert is
 present

This makes it easier to detect when a client cert is available without having to look before you leap and attempt to access any of the TLS_* variables.
---
 dynamic.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dynamic.go b/dynamic.go
index 02d38cf..ec5ecbc 100644
--- a/dynamic.go
+++ b/dynamic.go
@@ -189,6 +189,8 @@ func prepareGatewayVariables(config Config, URL *url.URL, conn net.Conn) map[str
 		vars["TLS_CLIENT_ISSUER_CN"] = cert.Issuer.CommonName
 		vars["TLS_CLIENT_SUBJECT"] = cert.Subject.String()
 		vars["TLS_CLIENT_SUBJECT_CN"] = cert.Subject.CommonName
+		// To make it easier to detect when a cert is present
+		vars["AUTH_TYPE"] = "Certificate"
 	}
 	return vars
 }