File 0001-PR-2506.patch of Package compat-openssl098.3237

From 88530f6b761edd3fae1d2cfab0a537ab7eb5e79d Mon Sep 17 00:00:00 2001
From: "Dr. Stephen Henson" <steve@openssl.org>
Date: Wed, 25 May 2011 12:28:16 +0000
Subject: [PATCH] PR: 2506 Submitted by: Robin Seggelmann
 <seggelmann@fh-muenster.de> Reviewed by: steve

Fully implement SSL_clear for DTLS.
---
 ssl/d1_lib.c | 52 ++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 44 insertions(+), 8 deletions(-)

Index: openssl-0.9.8j/ssl/d1_lib.c
===================================================================
--- openssl-0.9.8j.orig/ssl/d1_lib.c	2016-09-06 16:38:31.385028332 +0200
+++ openssl-0.9.8j/ssl/d1_lib.c	2016-09-06 16:42:29.504844019 +0200
@@ -136,26 +136,22 @@ int dtls1_new(SSL *s)
 	return(1);
 	}
 
-void dtls1_free(SSL *s)
+static void dtls1_clear_queues(SSL *s)
 	{
     pitem *item = NULL;
     hm_fragment *frag = NULL;
-
-	ssl3_free(s);
-
+	
     while( (item = pqueue_pop(s->d1->unprocessed_rcds.q)) != NULL)
         {
         OPENSSL_free(item->data);
         pitem_free(item);
         }
-    pqueue_free(s->d1->unprocessed_rcds.q);
 
     while( (item = pqueue_pop(s->d1->processed_rcds.q)) != NULL)
         {
         OPENSSL_free(item->data);
         pitem_free(item);
         }
-    pqueue_free(s->d1->processed_rcds.q);
 
     while( (item = pqueue_pop(s->d1->buffered_messages)) != NULL)
         {
@@ -164,7 +160,6 @@ void dtls1_free(SSL *s)
         OPENSSL_free(frag);
         pitem_free(item);
         }
-    pqueue_free(s->d1->buffered_messages);
 
     while ( (item = pqueue_pop(s->d1->sent_messages)) != NULL)
         {
@@ -173,8 +168,18 @@ void dtls1_free(SSL *s)
         OPENSSL_free(frag);
         pitem_free(item);
         }
-	pqueue_free(s->d1->sent_messages);
+	}
 
+void dtls1_free(SSL *s)
+	{
+	ssl3_free(s);
+
+	dtls1_clear_queues(s);
+
+    pqueue_free(s->d1->unprocessed_rcds.q);
+    pqueue_free(s->d1->processed_rcds.q);
+    pqueue_free(s->d1->buffered_messages);
+	pqueue_free(s->d1->sent_messages);
 	pq_64bit_free(&(s->d1->bitmap.map));
 	pq_64bit_free(&(s->d1->bitmap.max_seq_num));
 
@@ -186,6 +191,33 @@ void dtls1_free(SSL *s)
 
 void dtls1_clear(SSL *s)
 	{
+    pqueue unprocessed_rcds;
+    pqueue processed_rcds;
+    pqueue buffered_messages;
+	pqueue sent_messages;
+	
+	if (s->d1)
+		{
+		unprocessed_rcds = s->d1->unprocessed_rcds.q;
+		processed_rcds = s->d1->processed_rcds.q;
+		buffered_messages = s->d1->buffered_messages;
+		sent_messages = s->d1->sent_messages;
+
+		dtls1_clear_queues(s);
+
+		memset(s->d1, 0, sizeof(*(s->d1)));
+
+		if (s->server)
+			{
+			s->d1->cookie_len = sizeof(s->d1->cookie);
+			}
+
+		s->d1->unprocessed_rcds.q = unprocessed_rcds;
+		s->d1->processed_rcds.q = processed_rcds;
+		s->d1->buffered_messages = buffered_messages;
+		s->d1->sent_messages = sent_messages;
+		}
+
 	ssl3_clear(s);
 	s->version=DTLS1_VERSION;
 	}