Merge branch 'TLS-1.3'

1 files changed, 69 insertions, 0 deletions

diff --git a/security/nss/lib/ssl/sslencode.h b/security/nss/lib/ssl/sslencode.h
new file mode 100644
index 000000000..a1b04d88f
--- /dev/null
+++ b/security/nss/lib/ssl/sslencode.h
@@ -0,0 +1,69 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is PRIVATE to SSL.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef __sslencode_h_
+#define __sslencode_h_
+
+/* A buffer object, used for assembling messages. */
+typedef struct sslBufferStr {
+    PRUint8 *buf;
+    unsigned int len;
+    unsigned int space;
+    /* Set to true if the storage for the buffer is fixed, such as a stack
+     * variable or a view on another buffer. Growing a fixed buffer fails. */
+    PRBool fixed;
+} sslBuffer;
+
+#define SSL_BUFFER_EMPTY     \
+    {                        \
+        NULL, 0, 0, PR_FALSE \
+    }
+#define SSL_BUFFER_FIXED(b, maxlen) \
+    {                               \
+        b, 0, maxlen, PR_TRUE       \
+    }
+#define SSL_BUFFER(b) SSL_BUFFER_FIXED(b, sizeof(b))
+#define SSL_BUFFER_BASE(b) ((b)->buf)
+#define SSL_BUFFER_LEN(b) ((b)->len)
+#define SSL_BUFFER_NEXT(b) ((b)->buf + (b)->len)
+#define SSL_BUFFER_SPACE(b) ((b)->space - (b)->len)
+
+SECStatus sslBuffer_Grow(sslBuffer *b, unsigned int newLen);
+SECStatus sslBuffer_Append(sslBuffer *b, const void *data, unsigned int len);
+SECStatus sslBuffer_AppendNumber(sslBuffer *b, PRUint64 v, unsigned int size);
+SECStatus sslBuffer_AppendVariable(sslBuffer *b, const PRUint8 *data,
+                                   unsigned int len, unsigned int size);
+SECStatus sslBuffer_AppendBuffer(sslBuffer *b, const sslBuffer *append);
+SECStatus sslBuffer_AppendBufferVariable(sslBuffer *b, const sslBuffer *append,
+                                         unsigned int size);
+SECStatus sslBuffer_Skip(sslBuffer *b, unsigned int size,
+                         unsigned int *savedOffset);
+SECStatus sslBuffer_InsertLength(sslBuffer *b, unsigned int at,
+                                 unsigned int size);
+void sslBuffer_Clear(sslBuffer *b);
+
+/* All of these functions modify the underlying SECItem, and so should
+ * be performed on a shallow copy.*/
+SECStatus ssl3_ConsumeFromItem(SECItem *item,
+                               PRUint8 **buf, unsigned int size);
+SECStatus ssl3_ConsumeNumberFromItem(SECItem *item,
+                                     PRUint32 *num, unsigned int size);
+
+SECStatus ssl3_AppendHandshake(sslSocket *ss, const void *void_src,
+                               unsigned int bytes);
+SECStatus ssl3_AppendHandshakeHeader(sslSocket *ss,
+                                     SSLHandshakeType t, unsigned int length);
+SECStatus ssl3_AppendHandshakeNumber(sslSocket *ss, PRUint64 num,
+                                     unsigned int lenSize);
+SECStatus ssl3_AppendHandshakeVariable(sslSocket *ss, const PRUint8 *src,
+                                       unsigned int bytes, unsigned int lenSize);
+SECStatus ssl3_AppendBufferToHandshake(sslSocket *ss, sslBuffer *buf);
+SECStatus ssl3_AppendBufferToHandshakeVariable(sslSocket *ss, sslBuffer *buf,
+                                               unsigned int lenSize);
+
+#endif /* __sslencode_h_ */