From d6c8fd080b17118fa433eebe1bd932afee040ebc Mon Sep 17 00:00:00 2001
From: geby <geby@7c85be65-684b-0410-a082-b2ed4fbef004>
Date: Tue, 31 May 2011 07:39:31 +0000
Subject: [PATCH] snmpsend.pas - small fix of V3 synchronization

git-svn-id: https://svn.code.sf.net/p/synalist/code/trunk@145 7c85be65-684b-0410-a082-b2ed4fbef004
---
 snmpsend.pas | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/snmpsend.pas b/snmpsend.pas
index 6ddd9a0..6e44c04 100644
--- a/snmpsend.pas
+++ b/snmpsend.pas
@@ -803,7 +803,10 @@ begin
     head := head + ASNObject(s, ASN1_SEQ);
 
     //compute engine time difference
-    x := TickDelta(FAuthEngineTimeStamp, GetTick) div 1000;
+    if FAuthEngineTimeStamp = 0 then //out of sync
+      x := 0
+    else
+      x := TickDelta(FAuthEngineTimeStamp, GetTick) div 1000;
 
     authbeg := ASNObject(FAuthEngineID, ASN1_OCTSTR)
       + ASNObject(ASNEncInt(FAuthEngineBoots), ASN1_INT)