diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/protocols/coap.c | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/src/lib/protocols/coap.c b/src/lib/protocols/coap.c new file mode 100644 index 000000000..bd349b2cd --- /dev/null +++ b/src/lib/protocols/coap.c @@ -0,0 +1,214 @@ +/* + * coap.c + * + * Copyright (C) 2016 Sorin Zamfir <sorin.zamfir@yahoo.com> + * + * 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/>. + * + */ + +#define NDPI_PROTOCOL_COAP + +#include "ndpi_protocols.h" +#ifdef NDPI_PROTOCOL_COAP +static void ndpi_int_coap_add_connection(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) { + // not sure if this is accurate but coap runs on top of udp and should be connectionless + if(flow->detected_protocol_stack[0] == NDPI_PROTOCOL_UNKNOWN) { + /* This is COAP and it is not a sub protocol (e.g. lwm2m) */ + ndpi_search_tcp_or_udp(ndpi_struct, flow); +// +// /* If no custom protocol has been detected */ + if(flow->detected_protocol_stack[0] == NDPI_PROTOCOL_UNKNOWN) { +// if(protocol != NDPI_PROTOCOL_HTTP) { +// ndpi_search_tcp_or_udp(ndpi_struct, flow); +// ndpi_set_detected_protocol(ndpi_struct, flow, protocol, NDPI_PROTOCOL_UNKNOWN); +// } else { +// ndpi_int_reset_protocol(flow); +// ndpi_set_detected_protocol(ndpi_struct, flow, protocol, NDPI_PROTOCOL_UNKNOWN); +// } +// } +// +// flow->http_detected = 1; +// } +} + +void ndpi_search_coap(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) +{ + struct ndpi_packet_struct *packet = &flow->packet; + //TODO + if (packet->detected_protocol_stack[0]!= NDPI_PROTOCOL_UNKNOWN){ + return; + } + NDPI_LOG(NDPI_PROTOCOL_HTTP, ndpi_struct, NDPI_LOG_DEBUG, "CoAP detected...\n"); +// if packet-> +} + +void init_http_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id, + NDPI_PROTOCOL_BITMASK *detection_bitmask) +{ +//TODO + + // ndpi_set_bitmask_protocol_detection("HTTP",ndpi_struct, detection_bitmask, *id, +// NDPI_PROTOCOL_HTTP, +// ndpi_search_http_tcp, +// NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD, +// SAVE_DETECTION_BITMASK_AS_UNKNOWN, +// ADD_TO_DETECTION_BITMASK); +// *id += 1; +// +//#if 0 +// ndpi_set_bitmask_protocol_detection("HTTP_Proxy", ndpi_struct, detection_bitmask, *id, +// NDPI_PROTOCOL_HTTP_PROXY, +// ndpi_search_http_tcp, +// NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD, +// SAVE_DETECTION_BITMASK_AS_UNKNOWN, +// ADD_TO_DETECTION_BITMASK); +// *id += 1; +// +//#ifdef NDPI_CONTENT_MPEG +// ndpi_set_bitmask_protocol_detection("MPEG", ndpi_struct, detection_bitmask, *id, +// NDPI_CONTENT_MPEG, +// ndpi_search_http_tcp, +// NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD, +// NO_SAVE_DETECTION_BITMASK_AS_UNKNOWN, +// ADD_TO_DETECTION_BITMASK); +// +// *id += 1; +//#endif +//#ifdef NDPI_CONTENT_FLASH +// ndpi_set_bitmask_protocol_detection("Flash", ndpi_struct, detection_bitmask, *id, +// NDPI_CONTENT_FLASH, +// ndpi_search_http_tcp, +// NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD, +// NO_SAVE_DETECTION_BITMASK_AS_UNKNOWN, +// ADD_TO_DETECTION_BITMASK); +// *id += 1; +//#endif +//#ifdef NDPI_CONTENT_QUICKTIME +// ndpi_set_bitmask_protocol_detection("QuickTime", ndpi_struct, detection_bitmask, *id, +// NDPI_CONTENT_QUICKTIME, +// ndpi_search_http_tcp, +// NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD, +// NO_SAVE_DETECTION_BITMASK_AS_UNKNOWN, +// ADD_TO_DETECTION_BITMASK); +// *id += 1; +//#endif +//#ifdef NDPI_CONTENT_REALMEDIA +// ndpi_set_bitmask_protocol_detection("RealMedia", ndpi_struct, detection_bitmask, *id, +// NDPI_CONTENT_REALMEDIA, +// ndpi_search_http_tcp, +// NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD, +// NO_SAVE_DETECTION_BITMASK_AS_UNKNOWN, +// ADD_TO_DETECTION_BITMASK); +// *id += 1; +//#endif +//#ifdef NDPI_CONTENT_WINDOWSMEDIA +// ndpi_set_bitmask_protocol_detection("WindowsMedia", ndpi_struct, detection_bitmask, *id, +// NDPI_CONTENT_WINDOWSMEDIA, +// ndpi_search_http_tcp, +// NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD, +// NO_SAVE_DETECTION_BITMASK_AS_UNKNOWN, +// ADD_TO_DETECTION_BITMASK); +// *id += 1; +//#endif +//#ifdef NDPI_CONTENT_MMS +// ndpi_set_bitmask_protocol_detection("MMS", ndpi_struct, detection_bitmask, *id, +// NDPI_CONTENT_MMS, +// ndpi_search_http_tcp, +// NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD, +// NO_SAVE_DETECTION_BITMASK_AS_UNKNOWN, +// ADD_TO_DETECTION_BITMASK); +// *id += 1; +//#endif +//#ifdef NDPI_PROTOCOL_XBOX +// ndpi_set_bitmask_protocol_detection("Xbox", ndpi_struct, detection_bitmask, *id, +// NDPI_PROTOCOL_XBOX, +// ndpi_search_http_tcp, +// NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD, +// NO_SAVE_DETECTION_BITMASK_AS_UNKNOWN, +// ADD_TO_DETECTION_BITMASK); +// *id += 1; +//#endif +//#ifdef NDPI_PROTOCOL_QQ +// ndpi_set_bitmask_protocol_detection("QQ", ndpi_struct, detection_bitmask, *id, +// NDPI_PROTOCOL_QQ, +// ndpi_search_http_tcp, +// NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD, +// NO_SAVE_DETECTION_BITMASK_AS_UNKNOWN, +// ADD_TO_DETECTION_BITMASK); +// *id += 1; +//#endif +//#ifdef NDPI_CONTENT_AVI +// ndpi_set_bitmask_protocol_detection("AVI", ndpi_struct, detection_bitmask, *id, +// NDPI_CONTENT_AVI, +// ndpi_search_http_tcp, +// NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD, +// NO_SAVE_DETECTION_BITMASK_AS_UNKNOWN, +// ADD_TO_DETECTION_BITMASK); +// *id += 1; +//#endif +//#ifdef NDPI_CONTENT_OGG +// ndpi_set_bitmask_protocol_detection("OggVorbis", ndpi_struct, detection_bitmask, *id, +// NDPI_CONTENT_OGG, +// ndpi_search_http_tcp, +// NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD, +// NO_SAVE_DETECTION_BITMASK_AS_UNKNOWN, +// ADD_TO_DETECTION_BITMASK); +// *id += 1; +//#endif +//#ifdef NDPI_PROTOCOL_MOVE +// ndpi_set_bitmask_protocol_detection("Move", ndpi_struct, detection_bitmask, *id, +// NDPI_PROTOCOL_MOVE, +// ndpi_search_http_tcp, +// NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD, +// NO_SAVE_DETECTION_BITMASK_AS_UNKNOWN, +// ADD_TO_DETECTION_BITMASK); +// *id += 1; +//#endif +// +// /* Update excluded protocol bitmask */ +// NDPI_BITMASK_SET(ndpi_struct->callback_buffer[a].excluded_protocol_bitmask, +// ndpi_struct->callback_buffer[a].detection_bitmask); +// +// /*Delete protocol from exluded protocol bitmask*/ +// NDPI_DEL_PROTOCOL_FROM_BITMASK(ndpi_struct->callback_buffer[a].excluded_protocol_bitmask, NDPI_PROTOCOL_UNKNOWN); +// +// NDPI_DEL_PROTOCOL_FROM_BITMASK(ndpi_struct->callback_buffer[a].excluded_protocol_bitmask, NDPI_PROTOCOL_QQ); +// +//#ifdef NDPI_CONTENT_FLASH +// NDPI_DEL_PROTOCOL_FROM_BITMASK(ndpi_struct->callback_buffer[a].excluded_protocol_bitmask, NDPI_CONTENT_FLASH); +//#endif +// +// NDPI_DEL_PROTOCOL_FROM_BITMASK(ndpi_struct->callback_buffer[a].excluded_protocol_bitmask, NDPI_CONTENT_MMS); +// /* #ifdef NDPI_PROTOCOL_RTSP */ +// /* NDPI_DEL_PROTOCOL_FROM_BITMASK(ndpi_struct->callback_buffer[a].excluded_protocol_bitmask, */ +// /* NDPI_PROTOCOL_RTSP); */ +// /* #endif */ +// NDPI_DEL_PROTOCOL_FROM_BITMASK(ndpi_struct->callback_buffer[a].excluded_protocol_bitmask, NDPI_PROTOCOL_XBOX); +// +// NDPI_BITMASK_SET(ndpi_struct->generic_http_packet_bitmask, ndpi_struct->callback_buffer[a].detection_bitmask); +// +// NDPI_DEL_PROTOCOL_FROM_BITMASK(ndpi_struct->generic_http_packet_bitmask, NDPI_PROTOCOL_UNKNOWN); +// +// /* Update callback_buffer index */ +// a++; +// +//#endif + +} + +#endif // NDPI_PROTOCOL_COAP |