From b7f73b8bf0755851da095d6dcfa1c4eac17b0c50 Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Fri, 8 Oct 2021 20:15:55 +0300
Subject: [PATCH] TLSREMOTEDN

---
 rc/cgi.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/rc/cgi.go b/rc/cgi.go
index 42363e3..8dab80f 100644
--- a/rc/cgi.go
+++ b/rc/cgi.go
@@ -27,6 +27,9 @@ import (
 
 func RunCGIAndLog(host string, w http.ResponseWriter, r *http.Request, h *cgi.Handler) {
 	wc := &godlighty.CountResponseWriter{ResponseWriter: w}
+	if r.TLS != nil && len(r.TLS.PeerCertificates) > 0 {
+		h.Env = append(h.Env, "TLSREMOTEDN="+r.TLS.PeerCertificates[0].Subject.String())
+	}
 	h.ServeHTTP(wc, r)
 	fmt.Printf("%s %s \"%s %s %s\" %d %d \"%s\"\n",
 		r.RemoteAddr, host, r.Method, r.URL.Path, r.Proto,
-- 
2.44.0