✨ feat(integration decoders): http and glimpse_detector

compile pass, todo test

decoders/glimpse_detector/libprotoident/tcp/lpi_bittorrent.cc

@@ -0,0 +1,96 @@
+/*
+ *
+ * Copyright (c) 2011-2016 The University of Waikato, Hamilton, New Zealand.
+ * All rights reserved.
+ *
+ * This file is part of libprotoident.
+ *
+ * This code has been developed by the University of Waikato WAND
+ * research group. For further information please see http://www.wand.net.nz/
+ *
+ * libprotoident is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * libprotoident 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *
+ */
+
+#include <string.h>
+
+#include "libprotoident.h"
+#include "proto_manager.h"
+#include "proto_common.h"
+
+static inline bool match_bittorrent_header(uint32_t payload, uint32_t len) {
+
+        if (len == 0)
+                return true;
+
+        if (MATCH(payload, 0x13, 'B', 'i', 't'))
+                return true;
+
+        if (len == 3 && MATCH(payload, 0x13, 'B', 'i', 0x00))
+                return true;
+        if (len == 2 && MATCH(payload, 0x13, 'B', 0x00, 0x00))
+                return true;
+        if (len == 1 && MATCH(payload, 0x13, 0x00, 0x00, 0x00))
+                return true;
+
+        return false;
+
+}
+
+
+static inline bool match_ww_xx_header(uint32_t payload, uint32_t len) {
+        /* Fairly confident that this is related to Bittorrent, though I
+         * can't seem to find any source code or documentation that references
+         * it.
+         *
+         * The full string included in the header is:
+         * 0x13 #WW-XX#@77
+         */
+       if (len == 0)
+               return true;
+       if (MATCH(payload, 0x13, 0x23, 0x57, 0x57))
+               return true;
+       return false;
+
+}
+
+static inline bool match_bittorrent(lpi_data_t *data, lpi_module_t *mod UNUSED) 
+{
+        if (match_bittorrent_header(data->payload[0], data->payload_len[0])) {
+                if (match_bittorrent_header(data->payload[1], 
+                                data->payload_len[1]))
+                        return true;
+        }
+
+        if (match_ww_xx_header(data->payload[0], data->payload_len[0])) {
+                if (match_ww_xx_header(data->payload[1], data->payload_len[1]))
+                        return true;
+        }
+
+        return false;
+}
+
+static lpi_module_t lpi_bittorrent = {
+	LPI_PROTO_BITTORRENT,
+	LPI_CATEGORY_P2P,
+	"BitTorrent",
+	2,
+	match_bittorrent
+};
+
+void register_bittorrent(LPIModuleMap *mod_map) {
+	register_protocol(&lpi_bittorrent, mod_map);
+}
+