From a75a576e138e75a522140bb6f2e7345cf8863b15 Mon Sep 17 00:00:00 2001
From: steven_carr <steven_carr>
Date: Mon, 5 Jun 2006 17:33:51 +0000
Subject: [PATCH] All security types for RFB >= 3.7 *have* to respond with a
 Security Result (Even rfbSecTypeNone)

---
 libvncserver/auth.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/libvncserver/auth.c b/libvncserver/auth.c
index a1f75a0..45b3a8e 100755
--- a/libvncserver/auth.c
+++ b/libvncserver/auth.c
@@ -265,7 +265,8 @@ rfbProcessClientSecurityType(rfbClientPtr cl)
     int n;
     uint8_t chosenType;
     rfbSecurityHandler* handler;
-
+    uint32_t authResult;
+    
     /* Read the security type. */
     n = rfbReadExact(cl, (char *)&chosenType, 1);
     if (n <= 0) {
@@ -281,6 +282,13 @@ rfbProcessClientSecurityType(rfbClientPtr cl)
     for (handler = securityHandlers; handler; handler = handler->next) {
 	if (chosenType == handler->type) {
 		if (chosenType == rfbSecTypeNone) {
+                        authResult = Swap32IfLE(rfbVncAuthOK);
+
+                        if (rfbWriteExact(cl, (char *)&authResult, 4) < 0) {
+                            rfbLogPerror("rfbAuthProcessClientMessage: write");
+                            rfbCloseClient(cl);
+                            return;
+                        }
 			cl->state = RFB_INITIALISATION;
 			return;
 		} else {