Adding upstream version 1:7.0.3.upstream/1%7.0.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 164 insertions, 0 deletions

diff --git a/src/app-layer.h b/src/app-layer.h
new file mode 100644
index 0000000..cbe2fbc
--- /dev/null
+++ b/src/app-layer.h
@@ -0,0 +1,164 @@
+/* Copyright (C) 2007-2014 Open Information Security Foundation
+ *
+ * You can copy, redistribute or modify this Program under the terms of
+ * the GNU General Public License version 2 as published by the Free
+ * Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/**
+ * \file
+ *
+ * \author Victor Julien <victor@inliniac.net>
+ * \author Anoop Saldanha <anoopsaldanha@gmail.com>
+ *
+ *  Application layer handling and protocols implementation
+ */
+
+#ifndef __APP_LAYER_H__
+#define __APP_LAYER_H__
+
+#include "threadvars.h"
+#include "decode.h"
+#include "flow.h"
+
+#include "stream-tcp-private.h"
+#include "stream-tcp-reassemble.h"
+
+
+#include "rust.h"
+
+#define APP_LAYER_DATA_ALREADY_SENT_TO_APP_LAYER \
+    (~STREAM_TOSERVER & ~STREAM_TOCLIENT)
+
+/***** L7 layer dispatchers *****/
+
+/**
+ * \brief Handles reassembled tcp stream.
+ */
+int AppLayerHandleTCPData(ThreadVars *tv, TcpReassemblyThreadCtx *ra_ctx, Packet *p, Flow *f,
+        TcpSession *ssn, TcpStream **stream, uint8_t *data, uint32_t data_len, uint8_t flags,
+        enum StreamUpdateDir dir);
+
+/**
+ * \brief Handles an udp chunk.
+ */
+int AppLayerHandleUdp(ThreadVars *tv, AppLayerThreadCtx *app_tctx,
+                      Packet *p, Flow *f);
+
+/***** Utility *****/
+
+/**
+ * \brief Given a protocol string, returns the corresponding internal
+ *        protocol id.
+ *
+ * \param The internal protocol id.
+ */
+AppProto AppLayerGetProtoByName(char *alproto_name);
+
+/**
+ * \brief Given the internal protocol id, returns a string representation
+ *        of the protocol.
+ *
+ * \param alproto The internal protocol id.
+ *
+ * \retval String representation of the protocol.
+ */
+const char *AppLayerGetProtoName(AppProto alproto);
+
+void AppLayerListSupportedProtocols(void);
+
+/***** Setup/General Registration *****/
+
+/**
+ * \brief Setup the app layer.
+ *
+ *        Includes protocol detection setup and the protocol parser setup.
+ *
+ * \retval 0 On success.
+ * \retval -1 On failure.
+ */
+int AppLayerSetup(void);
+
+/**
+ * \brief De initializes the app layer.
+ *
+ *        Includes de initializing protocol detection and the protocol parser.
+ */
+int AppLayerDeSetup(void);
+
+/**
+ * \brief Creates a new app layer thread context.
+ *
+ * \retval Pointer to the newly create thread context, on success;
+ *         NULL, on failure.
+ */
+AppLayerThreadCtx *AppLayerGetCtxThread(ThreadVars *tv);
+
+/**
+ * \brief Destroys the context created by AppLayerGetCtxThread().
+ *
+ * \param tctx Pointer to the thread context to destroy.
+ */
+void AppLayerDestroyCtxThread(AppLayerThreadCtx *tctx);
+
+/**
+ * \brief Registers per flow counters for all protocols
+ *
+ */
+void AppLayerRegisterThreadCounters(ThreadVars *tv);
+
+/***** Profiling *****/
+
+void AppLayerProfilingResetInternal(AppLayerThreadCtx *app_tctx);
+
+static inline void AppLayerProfilingReset(AppLayerThreadCtx *app_tctx)
+{
+#ifdef PROFILING
+    AppLayerProfilingResetInternal(app_tctx);
+#endif
+}
+
+void AppLayerProfilingStoreInternal(AppLayerThreadCtx *app_tctx, Packet *p);
+
+static inline void AppLayerProfilingStore(AppLayerThreadCtx *app_tctx, Packet *p)
+{
+#ifdef PROFILING
+    AppLayerProfilingStoreInternal(app_tctx, p);
+#endif
+}
+
+void AppLayerRegisterGlobalCounters(void);
+
+/***** Unittests *****/
+
+#ifdef UNITTESTS
+void AppLayerUnittestsRegister(void);
+#endif
+
+void AppLayerIncTxCounter(ThreadVars *tv, Flow *f, uint64_t step);
+void AppLayerIncGapErrorCounter(ThreadVars *tv, Flow *f);
+void AppLayerIncAllocErrorCounter(ThreadVars *tv, Flow *f);
+void AppLayerIncParserErrorCounter(ThreadVars *tv, Flow *f);
+void AppLayerIncInternalErrorCounter(ThreadVars *tv, Flow *f);
+
+static inline const uint8_t *StreamSliceGetData(const StreamSlice *stream_slice)
+{
+    return stream_slice->input;
+}
+
+static inline uint32_t StreamSliceGetDataLen(const StreamSlice *stream_slice)
+{
+    return stream_slice->input_len;
+}
+
+#endif