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authorLuca Deri <deri@ntop.org>2019-03-10 21:18:19 +0100
committerLuca Deri <deri@ntop.org>2019-03-10 21:18:19 +0100
commit89d548f9d30a006caaf304a962f4cc4cf8cdf6c1 (patch)
tree50700b67247bb48f4ddb5bbfc42e2e3f39f9c8f1 /src/lib/protocols
parentfde43804228d03911aed51076be6f4e4ab4fc0fa (diff)
Removed categories based on file content
Diffstat (limited to 'src/lib/protocols')
-rw-r--r--src/lib/protocols/http.c257
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
}