From 79f51e80426eddfc26484e6e9c2d37b3db1c3f0e Mon Sep 17 00:00:00 2001
From: Michiel Broek <mbse@mbse.eu>
Date: Tue, 1 Nov 2005 14:59:29 +0000
Subject: [PATCH] Fixed a segfault when tossing as a point echomail without a
 seen-by line

---
 ChangeLog         | 5 +++++
 mbfido/postecho.c | 7 ++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 89391cb2..6e6c0a62 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,6 +3,11 @@ $Id$
 
 v0.81.5		25-Oct-2005
 
+        mbfido:
+                Fixed a segfault when tossing as a point echomail without a
+                seen-by line.
+
+
 v0.81.4		23-Oct-2005 - 25-Oct-2005
 
 	libmbse.a:
diff --git a/mbfido/postecho.c b/mbfido/postecho.c
index 287878de..30627196 100644
--- a/mbfido/postecho.c
+++ b/mbfido/postecho.c
@@ -434,7 +434,12 @@ int postecho(faddr *p_from, faddr *f, faddr *t, char *orig, char *subj, time_t m
     /*
      * Ensure that it will not match for the first entry.
      */
-    oldnet = sbl->addr->net - 1;
+    if ((sbl) && (sbl->addr) && (sbl->addr->net))
+	oldnet = sbl->addr->net - 1;
+    else {
+	Syslog('m', "Empty seen-by list in %s", msgs.Tag);
+	oldnet = -1;
+    }
     for (tmpl = sbl; tmpl; tmpl = tmpl->next) {
 	if (tmpl->addr->net == oldnet)
 	    snprintf(sbe, 16, " %u", tmpl->addr->node);