diff options
author | Luca Deri <deri@ntop.org> | 2019-03-10 21:18:19 +0100 |
---|---|---|
committer | Luca Deri <deri@ntop.org> | 2019-03-10 21:18:19 +0100 |
commit | 89d548f9d30a006caaf304a962f4cc4cf8cdf6c1 (patch) | |
tree | 50700b67247bb48f4ddb5bbfc42e2e3f39f9c8f1 /src/lib/protocols | |
parent | fde43804228d03911aed51076be6f4e4ab4fc0fa (diff) |
Removed categories based on file content
Diffstat (limited to 'src/lib/protocols')
-rw-r--r-- | src/lib/protocols/http.c | 257 |
1 files changed, 2 insertions, 255 deletions
diff --git a/src/lib/protocols/http.c b/src/lib/protocols/http.c index 4ce80f9c9..37f23e26a 100644 --- a/src/lib/protocols/http.c +++ b/src/lib/protocols/http.c @@ -65,93 +65,6 @@ static void ndpi_int_http_add_connection(struct ndpi_detection_module_struct *nd flow->http_detected = 1, flow->guessed_category = category; } -#ifdef NDPI_CONTENT_CATEGORY_FLASH -static void flash_check_http_payload(struct ndpi_detection_module_struct - *ndpi_struct, struct ndpi_flow_struct *flow) -{ - struct ndpi_packet_struct *packet = &flow->packet; - const u_int8_t *pos; - - if(packet->empty_line_position_set == 0 || (packet->empty_line_position + 10) > (packet->payload_packet_len)) - return; - - pos = &packet->payload[packet->empty_line_position] + 2; - - if(memcmp(pos, "FLV", 3) == 0 && pos[3] == 0x01 && (pos[4] == 0x01 || pos[4] == 0x04 || pos[4] == 0x05) - && pos[5] == 0x00 && pos[6] == 0x00 && pos[7] == 0x00 && pos[8] == 0x09) { - - NDPI_LOG_INFO(ndpi_struct, "found Flash content in HTTP\n"); - ndpi_int_http_add_connection(ndpi_struct, flow, NDPI_CONTENT_CATEGORY_FLASH); - } -} -#endif - -#ifdef NDPI_CONTENT_CATEGORY_AVI -static void avi_check_http_payload(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) -{ - struct ndpi_packet_struct *packet = &flow->packet; - - - NDPI_LOG_DBG2(ndpi_struct, "called avi_check_http_payload: %u %u %u\n", - packet->empty_line_position_set, flow->l4.tcp.http_empty_line_seen, packet->empty_line_position); - - if(packet->empty_line_position_set == 0 && flow->l4.tcp.http_empty_line_seen == 0) - return; - - if(packet->empty_line_position_set != 0 && ((packet->empty_line_position + 20) > (packet->payload_packet_len)) - && flow->l4.tcp.http_empty_line_seen == 0) { - flow->l4.tcp.http_empty_line_seen = 1; - return; - } - - if(flow->l4.tcp.http_empty_line_seen == 1) { - if(packet->payload_packet_len > 20 && memcmp(packet->payload, "RIFF", 4) == 0 - && memcmp(packet->payload + 8, "AVI LIST", 8) == 0) { - NDPI_LOG_INFO(ndpi_struct, "found Avi content in HTTP\n"); - ndpi_int_http_add_connection(ndpi_struct, flow, NDPI_CONTENT_CATEGORY_AVI); - } - flow->l4.tcp.http_empty_line_seen = 0; - return; - } - - /** - for reference see http://msdn.microsoft.com/archive/default.asp?url=/archive/en-us/directx9_c/directx/htm/avirifffilereference.asp - **/ - if(packet->empty_line_position_set != 0) { - - u_int32_t p = packet->empty_line_position + 2; - - // check for avi header - NDPI_LOG_DBG2(ndpi_struct, "p = %u\n", p); - - if((p + 16) <= packet->payload_packet_len && memcmp(&packet->payload[p], "RIFF", 4) == 0 - && memcmp(&packet->payload[p + 8], "AVI LIST", 8) == 0) { - NDPI_LOG_INFO(ndpi_struct, "found Avi content in HTTP\n"); - ndpi_int_http_add_connection(ndpi_struct, flow, NDPI_CONTENT_CATEGORY_AVI); - } - } -} -#endif - -static void teamviewer_check_http_payload(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) -{ - struct ndpi_packet_struct *packet = &flow->packet; - const u_int8_t *pos; - - NDPI_LOG_DBG2(ndpi_struct, "called teamviewer_check_http_payload: %u %u %u\n", - packet->empty_line_position_set, flow->l4.tcp.http_empty_line_seen, packet->empty_line_position); - - if(packet->empty_line_position_set == 0 || (packet->empty_line_position + 5) > (packet->payload_packet_len)) - return; - - pos = &packet->payload[packet->empty_line_position] + 2; - - if(pos[0] == 0x17 && pos[1] == 0x24) { - NDPI_LOG_INFO(ndpi_struct, "found TeamViewer content in HTTP\n"); - ndpi_int_http_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_TEAMVIEWER); - } -} - static void rtsp_parse_packet_acceptline(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) { @@ -461,15 +374,6 @@ static void check_content_type_and_change_protocol(struct ndpi_detection_module_ } } - /* search for line startin with "Icy-MetaData" */ - for (a = 0; a < packet->parsed_lines; a++) { - if(packet->line[a].len > 11 && memcmp(packet->line[a].ptr, "Icy-MetaData", 12) == 0) { - NDPI_LOG_INFO(ndpi_struct, "found MPEG: Icy-MetaData\n"); - ndpi_int_http_add_connection(ndpi_struct, flow, NDPI_CONTENT_CATEGORY_MPEG); - return; - } - } - if(packet->content_line.ptr != NULL && packet->content_line.len != 0) { NDPI_LOG_DBG2(ndpi_struct, "Content Type line found %.*s\n", packet->content_line.len, packet->content_line.ptr); @@ -486,20 +390,8 @@ static void check_content_type_and_change_protocol(struct ndpi_detection_module_ ndpi_int_http_add_connection(ndpi_struct, flow, packet->detected_protocol_stack[0]); } -static void check_http_payload(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) -{ - NDPI_LOG_DBG2(ndpi_struct, "called check_http_payload\n"); - -#ifdef NDPI_CONTENT_CATEGORY_FLASH - if(NDPI_COMPARE_PROTOCOL_TO_BITMASK(ndpi_struct->detection_bitmask, NDPI_CONTENT_CATEGORY_FLASH) != 0) - flash_check_http_payload(ndpi_struct, flow); -#endif -#ifdef NDPI_CONTENT_CATEGORY_AVI - if(NDPI_COMPARE_PROTOCOL_TO_BITMASK(ndpi_struct->detection_bitmask, NDPI_CONTENT_CATEGORY_AVI) != 0) - avi_check_http_payload(ndpi_struct, flow); -#endif - - teamviewer_check_http_payload(ndpi_struct, flow); +static void check_http_payload(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) { + /* Add here your paylod code check */ } /** @@ -557,25 +449,6 @@ static u_int16_t http_request_url_offset(struct ndpi_detection_module_struct *nd static void http_bitmask_exclude_other(struct ndpi_flow_struct *flow) { -#ifdef NDPI_CONTENT_CATEGORY_MPEG - NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_CONTENT_CATEGORY_MPEG); -#endif -#ifdef NDPI_CONTENT_CATEGORY_QUICKTIME - NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_CONTENT_CATEGORY_QUICKTIME); -#endif -#ifdef NDPI_CONTENT_CATEGORY_WINDOWSMEDIA - NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_CONTENT_CATEGORY_WINDOWSMEDIA); -#endif -#ifdef NDPI_CONTENT_CATEGORY_REALMEDIA - NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_CONTENT_CATEGORY_REALMEDIA); -#endif -#ifdef NDPI_CONTENT_CATEGORY_AVI - NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_CONTENT_CATEGORY_AVI); -#endif -#ifdef NDPI_CONTENT_CATEGORY_OGG - NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_CONTENT_CATEGORY_OGG); -#endif - NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_XBOX); } @@ -985,130 +858,4 @@ void init_http_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int 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_CATEGORY_MPEG - ndpi_set_bitmask_protocol_detection("MPEG", ndpi_struct, detection_bitmask, *id, - NDPI_CONTENT_CATEGORY_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_CATEGORY_FLASH - ndpi_set_bitmask_protocol_detection("Flash", ndpi_struct, detection_bitmask, *id, - NDPI_CONTENT_CATEGORY_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_CATEGORY_QUICKTIME - ndpi_set_bitmask_protocol_detection("QuickTime", ndpi_struct, detection_bitmask, *id, - NDPI_CONTENT_CATEGORY_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_CATEGORY_REALMEDIA - ndpi_set_bitmask_protocol_detection("RealMedia", ndpi_struct, detection_bitmask, *id, - NDPI_CONTENT_CATEGORY_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_CATEGORY_WINDOWSMEDIA - ndpi_set_bitmask_protocol_detection("WindowsMedia", ndpi_struct, detection_bitmask, *id, - NDPI_CONTENT_CATEGORY_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_CATEGORY_MMS - ndpi_set_bitmask_protocol_detection("MMS", ndpi_struct, detection_bitmask, *id, - NDPI_CONTENT_CATEGORY_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 - - 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; - - 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; - -#ifdef NDPI_CONTENT_CATEGORY_AVI - ndpi_set_bitmask_protocol_detection("AVI", ndpi_struct, detection_bitmask, *id, - NDPI_CONTENT_CATEGORY_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_CATEGORY_OGG - ndpi_set_bitmask_protocol_detection("OggVorbis", ndpi_struct, detection_bitmask, *id, - NDPI_CONTENT_CATEGORY_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 - - /* 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 excluded 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_CATEGORY_FLASH - NDPI_DEL_PROTOCOL_FROM_BITMASK(ndpi_struct->callback_buffer[a].excluded_protocol_bitmask, NDPI_CONTENT_CATEGORY_FLASH); -#endif - - NDPI_DEL_PROTOCOL_FROM_BITMASK(ndpi_struct->callback_buffer[a].excluded_protocol_bitmask, NDPI_CONTENT_CATEGORY_MMS); - - 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 } |