1 files changed, 53 insertions, 0 deletions
diff --git a/src/util-ja3.h b/src/util-ja3.h
new file mode 100644
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+++ b/src/util-ja3.h
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+/* Copyright (C) 2007-2017 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 Mats Klepsland <mats.klepsland@gmail.com>
+ */
+
+#ifndef __UTIL_JA3_H__
+#define __UTIL_JA3_H__
+
+#define JA3_BUFFER_INITIAL_SIZE 128
+
+#include "detect.h"
+
+typedef struct JA3Buffer_ {
+    char *data;
+    size_t size;
+    size_t used;
+} JA3Buffer;
+
+JA3Buffer *Ja3BufferInit(void);
+void Ja3BufferFree(JA3Buffer **);
+int Ja3BufferAppendBuffer(JA3Buffer **, JA3Buffer **);
+int Ja3BufferAddValue(JA3Buffer **, uint32_t);
+char *Ja3GenerateHash(JA3Buffer *);
+int Ja3IsDisabled(const char *);
+
+InspectionBuffer *Ja3DetectGetHash(DetectEngineThreadCtx *det_ctx,
+        const DetectEngineTransforms *transforms, Flow *_f, const uint8_t _flow_flags, void *txv,
+        const int list_id);
+
+InspectionBuffer *Ja3DetectGetString(DetectEngineThreadCtx *det_ctx,
+        const DetectEngineTransforms *transforms, Flow *_f, const uint8_t _flow_flags, void *txv,
+        const int list_id);
+
+#endif /* __UTIL_JA3_H__ */
+