Initial import from SVN

1 files changed, 80 insertions, 0 deletions

diff --git a/src/lib/protocols/mms.c b/src/lib/protocols/mms.c
new file mode 100644
index 000000000..00f2cb764
--- /dev/null
+++ b/src/lib/protocols/mms.c
@@ -0,0 +1,80 @@
+/*
+ * mms.c
+ *
+ * Copyright (C) 2009-2011 by ipoque GmbH
+ * Copyright (C) 2011-15 - ntop.org
+ *
+ * This file is part of nDPI, an open source deep packet inspection
+ * library based on the OpenDPI and PACE technology by ipoque GmbH
+ *
+ * nDPI 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.
+ *
+ * nDPI 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 nDPI.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#include "ndpi_protocols.h"
+
+#ifdef NDPI_CONTENT_MMS
+
+
+static void ndpi_int_mms_add_connection(struct ndpi_detection_module_struct
+					*ndpi_struct, struct ndpi_flow_struct *flow)
+{
+  ndpi_int_add_connection(ndpi_struct, flow, NDPI_CONTENT_MMS, NDPI_REAL_PROTOCOL);
+}
+
+
+void ndpi_search_mms_tcp(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
+{
+  struct ndpi_packet_struct *packet = &flow->packet;
+
+  //      struct ndpi_id_struct         *src=ndpi_struct->src;
+  //      struct ndpi_id_struct         *dst=ndpi_struct->dst;
+
+
+  /* search MSMMS packets */
+  if (packet->payload_packet_len >= 20) {
+    if (flow->l4.tcp.mms_stage == 0 && packet->payload[4] == 0xce
+	&& packet->payload[5] == 0xfa && packet->payload[6] == 0x0b
+	&& packet->payload[7] == 0xb0 && packet->payload[12] == 0x4d
+	&& packet->payload[13] == 0x4d && packet->payload[14] == 0x53 && packet->payload[15] == 0x20) {
+      NDPI_LOG(NDPI_CONTENT_MMS, ndpi_struct, NDPI_LOG_DEBUG, "MMS: MSMMS Request found \n");
+      flow->l4.tcp.mms_stage = 1 + packet->packet_direction;
+      return;
+    }
+
+    if (flow->l4.tcp.mms_stage == 2 - packet->packet_direction
+	&& packet->payload[4] == 0xce && packet->payload[5] == 0xfa
+	&& packet->payload[6] == 0x0b && packet->payload[7] == 0xb0
+	&& packet->payload[12] == 0x4d && packet->payload[13] == 0x4d
+	&& packet->payload[14] == 0x53 && packet->payload[15] == 0x20) {
+      NDPI_LOG(NDPI_CONTENT_MMS, ndpi_struct, NDPI_LOG_DEBUG, "MMS: MSMMS Response found \n");
+      ndpi_int_mms_add_connection(ndpi_struct, flow);
+      return;
+    }
+  }
+#ifdef NDPI_PROTOCOL_HTTP
+  if (NDPI_COMPARE_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_HTTP) != 0) {
+#endif							/* NDPI_PROTOCOL_HTTP */
+    NDPI_LOG(NDPI_CONTENT_MMS, ndpi_struct, NDPI_LOG_DEBUG, "MMS: exclude\n");
+    NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_CONTENT_MMS);
+
+#ifdef NDPI_PROTOCOL_HTTP
+  } else {
+    NDPI_LOG(NDPI_CONTENT_MMS, ndpi_struct, NDPI_LOG_DEBUG, "MMS avoid early exclude from http\n");
+  }
+#endif							/* NDPI_PROTOCOL_HTTP */
+
+}
+#endif