Initial import from SVN

1 files changed, 49 insertions, 0 deletions

diff --git a/src/lib/protocols/megaco.c b/src/lib/protocols/megaco.c
new file mode 100644
index 000000000..ca8d26380
--- /dev/null
+++ b/src/lib/protocols/megaco.c
@@ -0,0 +1,49 @@
+/*
+ * megaco.c 
+ *
+ * Copyright (C) 2014 by Gianluca Costa http://www.capanalysis.net
+ * Copyright (C) 2012-15 - ntop.org
+ *
+ * This module 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.
+ * 
+ * This module 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.
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "ndpi_api.h"
+
+#ifdef NDPI_PROTOCOL_MEGACO
+
+void ndpi_search_megaco(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
+{
+  struct ndpi_packet_struct *packet = &flow->packet;
+  
+  NDPI_LOG(NDPI_PROTOCOL_MEGACO, ndpi_struct, NDPI_LOG_DEBUG, "search for MEGACO.\n");
+  
+  if(packet->udp != NULL) {
+    if((packet->payload_packet_len > 4 && packet->payload[0] == '!' && packet->payload[1] == '/' &&
+        packet->payload[2] == '1' && packet->payload[3] == ' ' && packet->payload[4] == '[')
+       || (packet->payload_packet_len > 9 && packet->payload[0] == 'M' && packet->payload[1] == 'E' &&
+        packet->payload[2] == 'G' && packet->payload[3] == 'A' && packet->payload[4] == 'C' &&
+        packet->payload[5] == 'O' && packet->payload[6] == '/' &&
+        packet->payload[7] == '1' && packet->payload[8] == ' ' && packet->payload[9] == '[')) {
+      NDPI_LOG(NDPI_PROTOCOL_MEGACO, ndpi_struct, NDPI_LOG_DEBUG, "found MEGACO.\n");
+      ndpi_int_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_MEGACO, NDPI_REAL_PROTOCOL);
+      return;
+    } 
+  }
+
+  NDPI_LOG(NDPI_PROTOCOL_MEGACO, ndpi_struct, NDPI_LOG_DEBUG, "exclude MEGACO.\n");
+  NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_MEGACO);
+}
+
+#endif