From c311d22d0f62b68bf0e69c110d94b569788c0fd3 Mon Sep 17 00:00:00 2001
From: Martin Willi <martin@revosec.ch>
Date: Fri, 18 Nov 2011 17:49:53 +0100
Subject: [PATCH] Don't clone chunk in message.get_packet_data

---
 src/conftest/hooks/pretend_auth.c | 2 +-
 src/libcharon/encoding/message.c  | 2 +-
 src/libcharon/encoding/message.h  | 4 ++--
 src/libcharon/sa/ike_sa_manager.c | 7 +++----
 4 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/src/conftest/hooks/pretend_auth.c b/src/conftest/hooks/pretend_auth.c
index dd6ab99..ff99900 100644
--- a/src/conftest/hooks/pretend_auth.c
+++ b/src/conftest/hooks/pretend_auth.c
@@ -135,7 +135,7 @@ static void process_auth_request(private_pretend_auth_t *this,
 static void process_init_response(private_pretend_auth_t *this,
 								  ike_sa_t *ike_sa, message_t *message)
 {
-	this->ike_init = message->get_packet_data(message);
+	this->ike_init = chunk_clone(message->get_packet_data(message));
 }
 
 /**
diff --git a/src/libcharon/encoding/message.c b/src/libcharon/encoding/message.c
index 0789da4..afa9b19 100644
--- a/src/libcharon/encoding/message.c
+++ b/src/libcharon/encoding/message.c
@@ -1404,7 +1404,7 @@ METHOD(message_t, get_packet_data, chunk_t,
 	{
 		return chunk_empty;
 	}
-	return chunk_clone(this->packet->get_data(this->packet));
+	return this->packet->get_data(this->packet);
 }
 
 METHOD(message_t, parse_header, status_t,
diff --git a/src/libcharon/encoding/message.h b/src/libcharon/encoding/message.h
index 20f3c16..dd18b4b 100644
--- a/src/libcharon/encoding/message.h
+++ b/src/libcharon/encoding/message.h
@@ -344,9 +344,9 @@ struct message_t {
 	packet_t * (*get_packet) (message_t *this);
 
 	/**
-	 * Returns a clone of the internal stored packet_t data.
+	 * Returns a chunk pointing to internal packet_t data.
 	 *
-	 * @return			clone of the internal stored packet_t data.
+	 * @return			packet data.
 	 */
 	chunk_t (*get_packet_data) (message_t *this);
 
diff --git a/src/libcharon/sa/ike_sa_manager.c b/src/libcharon/sa/ike_sa_manager.c
index 62f9cc9..5564590 100644
--- a/src/libcharon/sa/ike_sa_manager.c
+++ b/src/libcharon/sa/ike_sa_manager.c
@@ -1004,11 +1004,10 @@ METHOD(ike_sa_manager_t, checkout_by_message, ike_sa_t*,
 	if (is_init && this->hasher)
 	{
 		/* First request. Check for an IKE_SA with such a message hash. */
-		chunk_t data, hash;
+		chunk_t hash;
 
-		data = message->get_packet_data(message);
-		this->hasher->allocate_hash(this->hasher, data, &hash);
-		chunk_free(&data);
+		this->hasher->allocate_hash(this->hasher,
+									message->get_packet_data(message), &hash);
 
 		if (get_entry_by_hash(this, id, hash, &entry, &segment) == SUCCESS)
 		{
-- 
2.7.4