From 059d44027018f1eaa69d3a0f9779da78eb651ced Mon Sep 17 00:00:00 2001
From: tjpcc <tjp@ctrl-c.club>
Date: Tue, 10 Oct 2023 18:30:22 -0600
Subject: identify and error on conflicting servertls directives on merged
 gemini servers

fixes #7
---
 gemini.go | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'gemini.go')

diff --git a/gemini.go b/gemini.go
index 975b62b..f48f3ac 100644
--- a/gemini.go
+++ b/gemini.go
@@ -59,9 +59,16 @@ func buildGeminiServers(servers []Server, config *Configuration) ([]sr.Server, e
 		}
 
 		var tlsConfig *tls.Config
+		var keyfile, certfile string
 		for _, config := range configs {
+			if (keyfile != "" && config.tlsKeyFile == keyfile) || (certfile != "" && config.tlsCertFile == certfile) {
+				return nil, errors.New("conflicting 'servertls' directives for gemini server")
+			}
+
 			if config.TLS != nil {
 				tlsConfig = config.TLS
+				keyfile = config.tlsKeyFile
+				certfile = config.tlsCertFile
 				break
 			}
 		}
-- 
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