[Pkg-openssl-changes] r398 - openssl/branches/lenny/crypto/pqueue

Kurt Roeckx kroeckx at alioth.debian.org
Mon Jun 1 13:03:46 UTC 2009


Author: kroeckx
Date: 2009-06-01 13:03:46 +0000 (Mon, 01 Jun 2009)
New Revision: 398

Added:
   openssl/branches/lenny/crypto/pqueue/pqueue.c
   openssl/branches/lenny/crypto/pqueue/pqueue.h
Log:
Fix "DTLS record buffer limitation bug." (CVE-2009-1377)


Added: openssl/branches/lenny/crypto/pqueue/pqueue.c
===================================================================
--- openssl/branches/lenny/crypto/pqueue/pqueue.c	                        (rev 0)
+++ openssl/branches/lenny/crypto/pqueue/pqueue.c	2009-06-01 13:03:46 UTC (rev 398)
@@ -0,0 +1,250 @@
+/* crypto/pqueue/pqueue.c */
+/* 
+ * DTLS implementation written by Nagendra Modadugu
+ * (nagendra at cs.stanford.edu) for the OpenSSL project 2005.  
+ */
+/* ====================================================================
+ * Copyright (c) 1999-2005 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core at OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay at cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh at cryptsoft.com).
+ *
+ */
+
+#include "cryptlib.h"
+#include <openssl/bn.h>
+#include "pqueue.h"
+
+typedef struct _pqueue
+	{
+	pitem *items;
+	int count;
+	} pqueue_s;
+
+pitem *
+pitem_new(PQ_64BIT priority, void *data)
+	{
+	pitem *item = (pitem *) OPENSSL_malloc(sizeof(pitem));
+	if (item == NULL) return NULL;
+
+	pq_64bit_init(&(item->priority));
+	pq_64bit_assign(&item->priority, &priority);
+
+	item->data = data;
+	item->next = NULL;
+
+	return item;
+	}
+
+void
+pitem_free(pitem *item)
+	{
+	if (item == NULL) return;
+
+	pq_64bit_free(&(item->priority));
+	OPENSSL_free(item);
+	}
+
+pqueue_s *
+pqueue_new()
+	{
+	pqueue_s *pq = (pqueue_s *) OPENSSL_malloc(sizeof(pqueue_s));
+	if (pq == NULL) return NULL;
+
+	memset(pq, 0x00, sizeof(pqueue_s));
+	return pq;
+	}
+
+void
+pqueue_free(pqueue_s *pq)
+	{
+	if (pq == NULL) return;
+
+	OPENSSL_free(pq);
+	}
+
+pitem *
+pqueue_insert(pqueue_s *pq, pitem *item)
+	{
+	pitem *curr, *next;
+
+	if (pq->items == NULL)
+		{
+		pq->items = item;
+		return item;
+		}
+
+	for(curr = NULL, next = pq->items; 
+		next != NULL;
+		curr = next, next = next->next)
+		{
+		if (pq_64bit_gt(&(next->priority), &(item->priority)))
+			{
+			item->next = next;
+
+			if (curr == NULL) 
+				pq->items = item;
+			else  
+				curr->next = item;
+
+			return item;
+			}
+		/* duplicates not allowed */
+		if (pq_64bit_eq(&(item->priority), &(next->priority)))
+			return NULL;
+		}
+
+	item->next = NULL;
+	curr->next = item;
+
+	return item;
+	}
+
+pitem *
+pqueue_peek(pqueue_s *pq)
+	{
+	return pq->items;
+	}
+
+pitem *
+pqueue_pop(pqueue_s *pq)
+	{
+	pitem *item = pq->items;
+
+	if (pq->items != NULL)
+		pq->items = pq->items->next;
+
+	return item;
+	}
+
+pitem *
+pqueue_find(pqueue_s *pq, PQ_64BIT priority)
+	{
+	pitem *next, *prev = NULL;
+	pitem *found = NULL;
+
+	if ( pq->items == NULL)
+		return NULL;
+
+	for ( next = pq->items; next->next != NULL; 
+		  prev = next, next = next->next)
+		{
+		if ( pq_64bit_eq(&(next->priority), &priority))
+			{
+			found = next;
+			break;
+			}
+		}
+	
+	/* check the one last node */
+	if ( pq_64bit_eq(&(next->priority), &priority))
+		found = next;
+
+	if ( ! found)
+		return NULL;
+
+#if 0 /* find works in peek mode */
+	if ( prev == NULL)
+		pq->items = next->next;
+	else
+		prev->next = next->next;
+#endif
+
+	return found;
+	}
+
+#if PQ_64BIT_IS_INTEGER
+void
+pqueue_print(pqueue_s *pq)
+	{
+	pitem *item = pq->items;
+
+	while(item != NULL)
+		{
+		printf("item\t" PQ_64BIT_PRINT "\n", item->priority);
+		item = item->next;
+		}
+	}
+#endif
+
+pitem *
+pqueue_iterator(pqueue_s *pq)
+	{
+	return pqueue_peek(pq);
+	}
+
+pitem *
+pqueue_next(pitem **item)
+	{
+	pitem *ret;
+
+	if ( item == NULL || *item == NULL)
+		return NULL;
+
+
+	/* *item != NULL */
+	ret = *item;
+	*item = (*item)->next;
+
+	return ret;
+	}
+
+int
+pqueue_size(pqueue_s *pq)
+{
+	pitem *item = pq->items;
+	int count = 0;
+	
+	while(item != NULL)
+	{
+		count++;
+		item = item->next;
+	}
+	return count;
+}

Added: openssl/branches/lenny/crypto/pqueue/pqueue.h
===================================================================
--- openssl/branches/lenny/crypto/pqueue/pqueue.h	                        (rev 0)
+++ openssl/branches/lenny/crypto/pqueue/pqueue.h	2009-06-01 13:03:46 UTC (rev 398)
@@ -0,0 +1,96 @@
+/* crypto/pqueue/pqueue.h */
+/* 
+ * DTLS implementation written by Nagendra Modadugu
+ * (nagendra at cs.stanford.edu) for the OpenSSL project 2005.  
+ */
+/* ====================================================================
+ * Copyright (c) 1999-2005 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core at OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay at cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh at cryptsoft.com).
+ *
+ */
+
+#ifndef HEADER_PQUEUE_H
+#define HEADER_PQUEUE_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <openssl/pq_compat.h>
+
+typedef struct _pqueue *pqueue;
+
+typedef struct _pitem
+	{
+	PQ_64BIT priority;
+	void *data;
+	struct _pitem *next;
+	} pitem;
+
+typedef struct _pitem *piterator;
+
+pitem *pitem_new(PQ_64BIT priority, void *data);
+void   pitem_free(pitem *item);
+
+pqueue pqueue_new(void);
+void   pqueue_free(pqueue pq);
+
+pitem *pqueue_insert(pqueue pq, pitem *item);
+pitem *pqueue_peek(pqueue pq);
+pitem *pqueue_pop(pqueue pq);
+pitem *pqueue_find(pqueue pq, PQ_64BIT priority);
+pitem *pqueue_iterator(pqueue pq);
+pitem *pqueue_next(piterator *iter);
+
+void   pqueue_print(pqueue pq);
+int    pqueue_size(pqueue pq);
+
+#endif /* ! HEADER_PQUEUE_H */




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