From 1357cdb0e4ac8b68d72d1647525fad546d11d55a Mon Sep 17 00:00:00 2001
From: John Safranek <john@wolfssl.com>
Date: Sun, 28 Jul 2013 17:11:22 -0700
Subject: [PATCH] SEP Profile 1. Add session cache index to CYASSL structure.
 2. Add accessor for cache index in CYASSL structure. 3. Add copy function for
 session cache item.

---
 cyassl/internal.h |  3 +++
 cyassl/ssl.h      |  5 +++++
 src/ssl.c         | 34 ++++++++++++++++++++++++++++++++++
 3 files changed, 42 insertions(+)

diff --git a/cyassl/internal.h b/cyassl/internal.h
index 1341ae416..6d9fe1758 100644
--- a/cyassl/internal.h
+++ b/cyassl/internal.h
@@ -1823,6 +1823,9 @@ struct CYASSL {
 #endif
 #ifdef HAVE_NETX
     NetX_Ctx        nxCtx;             /* NetX IO Context */
+#endif
+#ifdef SESSION_INDEX
+    int sessionIndex;                  /* Session's location in the cache. */
 #endif
     CYASSL_ALERT_HISTORY alert_history;
 };
diff --git a/cyassl/ssl.h b/cyassl/ssl.h
index 3a04211cb..8d466d6a8 100644
--- a/cyassl/ssl.h
+++ b/cyassl/ssl.h
@@ -247,6 +247,11 @@ CYASSL_API void       CyaSSL_flush_sessions(CYASSL_CTX *ctx, long tm);
 CYASSL_API int        CyaSSL_SetServerID(CYASSL* ssl, const unsigned char*, 
                                          int, int);
 
+#ifdef SESSION_INDEX
+    CYASSL_API int CyaSSL_GetSessionIndex(CYASSL* ssl);
+    CYASSL_API int CyaSSL_GetSessionAtIndex(int index, CYASSL_SESSION* session);
+#endif
+
 typedef int (*VerifyCallback)(int, CYASSL_X509_STORE_CTX*);
 typedef int (*pem_password_cb)(char*, int, int, void*);
 
diff --git a/src/ssl.c b/src/ssl.c
index 0a1b2a06b..9f04bbc79 100644
--- a/src/ssl.c
+++ b/src/ssl.c
@@ -4532,6 +4532,9 @@ int AddSession(CYASSL* ssl)
         return BAD_MUTEX_ERROR;
 
     idx = SessionCache[row].nextIdx++;
+#ifdef SESSION_INDEX
+    ssl->sessionIndex = (row << 4) | idx;
+#endif
 
     XMEMCPY(SessionCache[row].Sessions[idx].masterSecret,
            ssl->arrays->masterSecret, SECRET_LEN);
@@ -4587,6 +4590,37 @@ int AddSession(CYASSL* ssl)
 }
 
 
+#ifdef SESSION_INDEX
+    int CyaSSL_GetSessionIndex(CYASSL* ssl)
+    {
+        return ssl->sessionIndex;
+    }
+
+
+    int CyaSSL_GetSessionAtIndex(int index, CYASSL_SESSION* session)
+    {
+        int row, col, result = SSL_FAILURE;
+
+        row = index >> 4;
+        col = index & 0x0F;
+
+        if (LockMutex(&session_mutex) != 0)
+            return BAD_MUTEX_ERROR;
+
+        if (row < SESSION_ROWS && col < SessionCache[row].totalCount) {
+            XMEMCPY(session,
+                     &SessionCache[row].Sessions[col], sizeof(CYASSL_SESSION));
+            result = SSL_SUCCESS;
+        }
+
+        if (UnLockMutex(&session_mutex) != 0)
+            return BAD_MUTEX_ERROR;
+
+        return result;
+    }
+#endif
+
+
     #ifdef SESSION_STATS
 
     CYASSL_API