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-rw-r--r--security/nss/lib/ssl/sslencode.c296
1 files changed, 0 insertions, 296 deletions
diff --git a/security/nss/lib/ssl/sslencode.c b/security/nss/lib/ssl/sslencode.c
deleted file mode 100644
index 2f127fe8f..000000000
--- a/security/nss/lib/ssl/sslencode.c
+++ /dev/null
@@ -1,296 +0,0 @@
-/* -*- 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/. */
-
-#include "nss.h"
-#include "prnetdb.h"
-#include "ssl.h"
-#include "sslimpl.h"
-
-/* Helper function to encode an unsigned integer into a buffer. */
-static void
-ssl_EncodeUintX(PRUint8 *to, PRUint64 value, unsigned int bytes)
-{
- PRUint64 encoded;
-
- PORT_Assert(bytes > 0 && bytes <= sizeof(encoded));
-
- encoded = PR_htonll(value);
- PORT_Memcpy(to, ((unsigned char *)(&encoded)) + (sizeof(encoded) - bytes),
- bytes);
-}
-
-/* Grow a buffer to hold newLen bytes of data. When used for recv/xmit buffers,
- * the caller must hold xmitBufLock or recvBufLock, as appropriate. */
-SECStatus
-sslBuffer_Grow(sslBuffer *b, unsigned int newLen)
-{
- if (b->fixed) {
- PORT_Assert(newLen <= b->space);
- if (newLen > b->space) {
- PORT_SetError(SEC_ERROR_LIBRARY_FAILURE);
- return SECFailure;
- }
- return SECSuccess;
- }
-
- newLen = PR_MAX(newLen, b->len + 1024);
- if (newLen > b->space) {
- unsigned char *newBuf;
- if (b->buf) {
- newBuf = (unsigned char *)PORT_Realloc(b->buf, newLen);
- } else {
- newBuf = (unsigned char *)PORT_Alloc(newLen);
- }
- if (!newBuf) {
- return SECFailure;
- }
- b->buf = newBuf;
- b->space = newLen;
- }
- return SECSuccess;
-}
-
-SECStatus
-sslBuffer_Append(sslBuffer *b, const void *data, unsigned int len)
-{
- SECStatus rv = sslBuffer_Grow(b, b->len + len);
- if (rv != SECSuccess) {
- return SECFailure; /* Code already set. */
- }
- PORT_Memcpy(SSL_BUFFER_NEXT(b), data, len);
- b->len += len;
- return SECSuccess;
-}
-
-SECStatus
-sslBuffer_AppendNumber(sslBuffer *b, PRUint64 v, unsigned int size)
-{
- SECStatus rv = sslBuffer_Grow(b, b->len + size);
- if (rv != SECSuccess) {
- return SECFailure;
- }
- ssl_EncodeUintX(SSL_BUFFER_NEXT(b), v, size);
- b->len += size;
- return SECSuccess;
-}
-
-SECStatus
-sslBuffer_AppendVariable(sslBuffer *b, const PRUint8 *data, unsigned int len,
- unsigned int size)
-{
- PORT_Assert(size <= 4 && size > 0);
- if (len >= (1ULL << (8 * size))) {
- PORT_SetError(SEC_ERROR_LIBRARY_FAILURE);
- return SECFailure;
- }
-
- if (sslBuffer_Grow(b, b->len + len + size) != SECSuccess) {
- return SECFailure;
- }
-
- ssl_EncodeUintX(SSL_BUFFER_NEXT(b), len, size);
- b->len += size;
- PORT_Memcpy(SSL_BUFFER_NEXT(b), data, len);
- b->len += len;
- return SECSuccess;
-}
-
-SECStatus
-sslBuffer_AppendBuffer(sslBuffer *b, const sslBuffer *append)
-{
- return sslBuffer_Append(b, append->buf, append->len);
-}
-
-SECStatus
-sslBuffer_AppendBufferVariable(sslBuffer *b, const sslBuffer *append,
- unsigned int size)
-{
- return sslBuffer_AppendVariable(b, append->buf, append->len, size);
-}
-
-SECStatus
-sslBuffer_Skip(sslBuffer *b, unsigned int size, unsigned int *savedOffset)
-{
- if (sslBuffer_Grow(b, b->len + size) != SECSuccess) {
- return SECFailure;
- }
-
- if (savedOffset) {
- *savedOffset = b->len;
- }
- b->len += size;
- return SECSuccess;
-}
-
-/* A common problem is that a buffer is used to construct a variable length
- * structure of unknown length. The length field for that structure is then
- * populated afterwards. This function makes this process a little easier.
- *
- * To use this, before encoding the variable length structure, skip the spot
- * where the length would be using sslBuffer_Skip(). After encoding the
- * structure, and before encoding anything else, call this function passing the
- * value returned from sslBuffer_Skip() as |at| to have the length inserted.
- */
-SECStatus
-sslBuffer_InsertLength(sslBuffer *b, unsigned int at, unsigned int size)
-{
- unsigned int len;
-
- PORT_Assert(b->len >= at + size);
- PORT_Assert(b->space >= at + size);
- len = b->len - (at + size);
-
- PORT_Assert(size <= 4 && size > 0);
- if (len >= (1ULL << (8 * size))) {
- PORT_SetError(SEC_ERROR_LIBRARY_FAILURE);
- return SECFailure;
- }
-
- ssl_EncodeUintX(SSL_BUFFER_BASE(b) + at, len, size);
- return SECSuccess;
-}
-
-void
-sslBuffer_Clear(sslBuffer *b)
-{
- if (!b->fixed) {
- if (b->buf) {
- PORT_Free(b->buf);
- b->buf = NULL;
- }
- b->space = 0;
- }
- b->len = 0;
-}
-
-SECStatus
-ssl3_ConsumeFromItem(SECItem *item, unsigned char **buf, unsigned int size)
-{
- if (size > item->len) {
- PORT_SetError(SEC_ERROR_BAD_DATA);
- return SECFailure;
- }
-
- *buf = item->data;
- item->data += size;
- item->len -= size;
- return SECSuccess;
-}
-
-SECStatus
-ssl3_ConsumeNumberFromItem(SECItem *item, PRUint32 *num, unsigned int size)
-{
- int i;
-
- if (size > item->len || size > sizeof(*num)) {
- PORT_SetError(SEC_ERROR_BAD_DATA);
- return SECFailure;
- }
-
- *num = 0;
- for (i = 0; i < size; i++) {
- *num = (*num << 8) + item->data[i];
- }
-
- item->data += size;
- item->len -= size;
-
- return SECSuccess;
-}
-
-/**************************************************************************
- * Append Handshake functions.
- * All these functions set appropriate error codes.
- * Most rely on ssl3_AppendHandshake to set the error code.
- **************************************************************************/
-#define MAX_SEND_BUF_LENGTH 32000 /* watch for 16-bit integer overflow */
-#define MIN_SEND_BUF_LENGTH 4000
-
-SECStatus
-ssl3_AppendHandshake(sslSocket *ss, const void *void_src, unsigned int bytes)
-{
- unsigned char *src = (unsigned char *)void_src;
- int room = ss->sec.ci.sendBuf.space - ss->sec.ci.sendBuf.len;
- SECStatus rv;
-
- PORT_Assert(ss->opt.noLocks || ssl_HaveSSL3HandshakeLock(ss)); /* protects sendBuf. */
-
- if (!bytes)
- return SECSuccess;
- if (ss->sec.ci.sendBuf.space < MAX_SEND_BUF_LENGTH && room < bytes) {
- rv = sslBuffer_Grow(&ss->sec.ci.sendBuf, PR_MAX(MIN_SEND_BUF_LENGTH,
- PR_MIN(MAX_SEND_BUF_LENGTH, ss->sec.ci.sendBuf.len + bytes)));
- if (rv != SECSuccess)
- return SECFailure; /* sslBuffer_Grow sets a memory error code. */
- room = ss->sec.ci.sendBuf.space - ss->sec.ci.sendBuf.len;
- }
-
- PRINT_BUF(60, (ss, "Append to Handshake", (unsigned char *)void_src, bytes));
- rv = ssl3_UpdateHandshakeHashes(ss, src, bytes);
- if (rv != SECSuccess)
- return SECFailure; /* error code set by ssl3_UpdateHandshakeHashes */
-
- while (bytes > room) {
- if (room > 0)
- PORT_Memcpy(ss->sec.ci.sendBuf.buf + ss->sec.ci.sendBuf.len, src,
- room);
- ss->sec.ci.sendBuf.len += room;
- rv = ssl3_FlushHandshake(ss, ssl_SEND_FLAG_FORCE_INTO_BUFFER);
- if (rv != SECSuccess) {
- return SECFailure; /* error code set by ssl3_FlushHandshake */
- }
- bytes -= room;
- src += room;
- room = ss->sec.ci.sendBuf.space;
- PORT_Assert(ss->sec.ci.sendBuf.len == 0);
- }
- PORT_Memcpy(ss->sec.ci.sendBuf.buf + ss->sec.ci.sendBuf.len, src, bytes);
- ss->sec.ci.sendBuf.len += bytes;
- return SECSuccess;
-}
-
-SECStatus
-ssl3_AppendHandshakeNumber(sslSocket *ss, PRUint64 num, unsigned int lenSize)
-{
- PRUint8 b[sizeof(num)];
- SSL_TRC(60, ("%d: number:", SSL_GETPID()));
- ssl_EncodeUintX(b, num, lenSize);
- return ssl3_AppendHandshake(ss, b, lenSize);
-}
-
-SECStatus
-ssl3_AppendHandshakeVariable(sslSocket *ss, const PRUint8 *src,
- unsigned int bytes, unsigned int lenSize)
-{
- SECStatus rv;
-
- PORT_Assert((bytes < (1 << 8) && lenSize == 1) ||
- (bytes < (1L << 16) && lenSize == 2) ||
- (bytes < (1L << 24) && lenSize == 3));
-
- SSL_TRC(60, ("%d: append variable:", SSL_GETPID()));
- rv = ssl3_AppendHandshakeNumber(ss, bytes, lenSize);
- if (rv != SECSuccess) {
- return SECFailure; /* error code set by AppendHandshake. */
- }
- SSL_TRC(60, ("data:"));
- return ssl3_AppendHandshake(ss, src, bytes);
-}
-
-SECStatus
-ssl3_AppendBufferToHandshake(sslSocket *ss, sslBuffer *buf)
-{
- return ssl3_AppendHandshake(ss, buf->buf, buf->len);
-}
-
-SECStatus
-ssl3_AppendBufferToHandshakeVariable(sslSocket *ss, sslBuffer *buf,
- unsigned int lenSize)
-{
- return ssl3_AppendHandshakeVariable(ss, buf->buf, buf->len, lenSize);
-}
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