✨ feat(integration decoders): http and glimpse_detector

compile pass, todo test

decoders/glimpse_detector/libprotoident/tcp/lpi_googlehangouts.cc

@@ -0,0 +1,105 @@
+/*
+ *
+ * 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_hangout_req(uint32_t payload, uint32_t len) {
+
+        if ((len % 114) == 0) {
+                if (MATCH(payload, 0x00, 0x70, 0x00, 0x01))
+                        return true;
+        }
+
+        if ((len % 122) == 0) {
+                if (MATCH(payload, 0x00, 0x78, 0x00, 0x01))
+                        return true;
+        }
+
+        if (len == 110 && MATCH(payload, 0x00, 0x6c, 0x00, 0x01))
+                return true;
+
+        return false;
+}
+
+static inline bool match_hangout_resp(uint32_t payload, uint32_t len) {
+
+        if (len == 106) {
+                if (MATCH(payload, 0x00, 0x68, 0x01, 0x01))
+                        return true;
+        }
+
+        if (len == 118) {
+                if (MATCH(payload, 0x00, 0x74, 0x01, 0x01))
+                        return true;
+        }
+
+        if (len == 94 && MATCH(payload, 0x00, 0x5c, 0x01, 0x01))
+                return true;
+
+        return false;
+}
+
+
+static inline bool match_googlehangouts(lpi_data_t *data, lpi_module_t *mod UNUSED) {
+
+        /* Based on traffic seen on port 19305 to google addresses */
+
+        /* Limit this to port 19305 - 19309 */
+        if (data->server_port < 19305 || data->server_port > 19309) {
+                if (data->client_port < 19305 || data->client_port > 19309)
+                        return false;
+        }
+
+        if (match_hangout_req(data->payload[0], data->payload_len[0])) {
+                if (match_hangout_resp(data->payload[1], data->payload_len[1]))
+                        return true;
+        }
+
+        if (match_hangout_req(data->payload[1], data->payload_len[1])) {
+                if (match_hangout_resp(data->payload[0], data->payload_len[0]))
+                        return true;
+        }
+
+
+	return false;
+}
+
+static lpi_module_t lpi_googlehangouts = {
+	LPI_PROTO_GOOGLE_HANGOUTS,
+	LPI_CATEGORY_CHAT,
+	"GoogleHangouts",
+	12,
+	match_googlehangouts
+};
+
+void register_googlehangouts(LPIModuleMap *mod_map) {
+	register_protocol(&lpi_googlehangouts, mod_map);
+}
+