diff options
Diffstat (limited to 'src/lib/protocols/directconnect.c')
| -rw-r--r-- | src/lib/protocols/directconnect.c | 131 |
1 files changed, 47 insertions, 84 deletions
diff --git a/src/lib/protocols/directconnect.c b/src/lib/protocols/directconnect.c index e712df626..725e53348 100644 --- a/src/lib/protocols/directconnect.c +++ b/src/lib/protocols/directconnect.c @@ -23,9 +23,15 @@ */ -#include "ndpi_protocols.h" +#include "ndpi_protocol_ids.h" + #ifdef NDPI_PROTOCOL_DIRECTCONNECT +#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_DIRECTCONNECT + +#include "ndpi_api.h" + + //#define NDPI_DEBUG_DIRECTCONNECT //#define NDPI_DIRECTCONNECT_PORT_DEBUG //#define NDPI_DEBUG_DIRECTCONNECT_CONN @@ -58,9 +64,7 @@ static u_int16_t parse_binf_message(struct ndpi_detection_module_struct if (memcmp(&payload[i], "DCTM", 4) == 0) { if (memcmp(&payload[i + 15], "ADCS", 4) == 0) { ssl_port = ntohs_ndpi_bytestream_to_number(&payload[i + 25], 5, &bytes_read); - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "directconnect ssl port parsed %d", ssl_port); - + NDPI_LOG_DBG2(ndpi_struct, "DC ssl port parsed %d\n", ssl_port); } } } else { @@ -89,13 +93,11 @@ static void ndpi_int_directconnect_add_connection(struct ndpi_detection_module_s if (packet->tcp != NULL && flow->setup_packet_direction != packet->packet_direction && src->detected_directconnect_port == 0) { src->detected_directconnect_port = packet->tcp->source; - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "directconnect tcp PORT %u for src\n", ntohs(src->detected_directconnect_port)); + NDPI_LOG_DBG2(ndpi_struct, "DC tcp PORT %u for src\n", ntohs(src->detected_directconnect_port)); } if (packet->udp != NULL && src->detected_directconnect_udp_port == 0) { src->detected_directconnect_udp_port = packet->udp->source; - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "directconnect udp PORT %u for src\n", ntohs(src->detected_directconnect_port)); + NDPI_LOG_DBG2(ndpi_struct, "DC udp PORT %u for src\n", ntohs(src->detected_directconnect_port)); } } @@ -113,9 +115,9 @@ static void ndpi_int_directconnect_add_connection(struct ndpi_detection_module_s /* dst->detected_directconnect_port = packet->tcp->dest; - NDPI_LOG (NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "directconnect tcp PORT %u for dst\n", - ntohs (dst->detected_directconnect_port)); + NDPI_LOG_DBG2(ndpi_struct, + "DC tcp PORT %u for dst\n", + ntohs (dst->detected_directconnect_port)); */ } } @@ -148,14 +150,12 @@ static void ndpi_search_directconnect_tcp(struct ndpi_detection_module_struct *n if (dst != NULL) { dst->detected_directconnect_ssl_port = ntohs_ndpi_bytestream_to_number(&packet->payload[25], 5, &bytes_read); - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "directconnect ssl port parsed %d", ntohs(dst->detected_directconnect_ssl_port)); + NDPI_LOG_DBG2(ndpi_struct, "DC ssl port parsed %d\n", ntohs(dst->detected_directconnect_ssl_port)); } if (src != NULL) { src->detected_directconnect_ssl_port = ntohs_ndpi_bytestream_to_number(&packet->payload[25], 5, &bytes_read); - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "directconnect ssl port parsed %d", ntohs(src->detected_directconnect_ssl_port)); + NDPI_LOG_DBG2(ndpi_struct, "DC ssl port parsed %d\n", ntohs(src->detected_directconnect_ssl_port)); } @@ -168,15 +168,13 @@ static void ndpi_search_directconnect_tcp(struct ndpi_detection_module_struct *n if ((u_int32_t) (packet->tick_timestamp - src->directconnect_last_safe_access_time) < ndpi_struct->directconnect_connection_ip_tick_timeout) { - ndpi_int_change_protocol(ndpi_struct, flow, NDPI_PROTOCOL_DIRECTCONNECT, NDPI_PROTOCOL_UNKNOWN); src->directconnect_last_safe_access_time = packet->tick_timestamp; - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "marking using dc port\n %d", ntohs(src->detected_directconnect_port)); + NDPI_LOG_INFO(ndpi_struct, "found DC using port %d\n", ntohs(src->detected_directconnect_port)); + ndpi_int_change_protocol(ndpi_struct, flow, NDPI_PROTOCOL_DIRECTCONNECT, NDPI_PROTOCOL_UNKNOWN); return; } else { src->detected_directconnect_port = 0; - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "resetting src port due to timeout"); + NDPI_LOG_DBG2(ndpi_struct, "resetting src port due to timeout\n"); return; } } @@ -184,15 +182,13 @@ static void ndpi_search_directconnect_tcp(struct ndpi_detection_module_struct *n if ((u_int32_t) (packet->tick_timestamp - src->directconnect_last_safe_access_time) < ndpi_struct->directconnect_connection_ip_tick_timeout) { - ndpi_int_change_protocol(ndpi_struct, flow, NDPI_PROTOCOL_DIRECTCONNECT, NDPI_PROTOCOL_UNKNOWN); src->directconnect_last_safe_access_time = packet->tick_timestamp; - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "marking using dc port\n %d", ntohs(src->detected_directconnect_ssl_port)); + NDPI_LOG_INFO(ndpi_struct, "found DC using port %d\n", ntohs(src->detected_directconnect_ssl_port)); + ndpi_int_change_protocol(ndpi_struct, flow, NDPI_PROTOCOL_DIRECTCONNECT, NDPI_PROTOCOL_UNKNOWN); return; } else { src->detected_directconnect_ssl_port = 0; - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "resetting src port due to timeout"); + NDPI_LOG_DBG2(ndpi_struct, "resetting src port due to timeout\n"); return; } } @@ -204,15 +200,13 @@ static void ndpi_search_directconnect_tcp(struct ndpi_detection_module_struct *n if ((u_int32_t) (packet->tick_timestamp - dst->directconnect_last_safe_access_time) < ndpi_struct->directconnect_connection_ip_tick_timeout) { - ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_DIRECTCONNECT, NDPI_PROTOCOL_UNKNOWN); dst->directconnect_last_safe_access_time = packet->tick_timestamp; - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "marking using dc port\n %d", ntohs(dst->detected_directconnect_port)); + NDPI_LOG_INFO(ndpi_struct, "found DC using port %d\n", ntohs(dst->detected_directconnect_port)); + ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_DIRECTCONNECT, NDPI_PROTOCOL_UNKNOWN); return; } else { dst->detected_directconnect_port = 0; - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "resetting dst port due to timeout"); + NDPI_LOG_DBG(ndpi_struct, "resetting dst port due to timeout\n"); return; } } @@ -220,16 +214,13 @@ static void ndpi_search_directconnect_tcp(struct ndpi_detection_module_struct *n if ((u_int32_t) (packet->tick_timestamp - dst->directconnect_last_safe_access_time) < ndpi_struct->directconnect_connection_ip_tick_timeout) { - ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_DIRECTCONNECT, NDPI_PROTOCOL_UNKNOWN); dst->directconnect_last_safe_access_time = packet->tick_timestamp; - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "marking using dc port\n %d", ntohs(dst->detected_directconnect_ssl_port)); - + NDPI_LOG_DBG(ndpi_struct, "found DC using port %d\n", ntohs(dst->detected_directconnect_ssl_port)); + ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_DIRECTCONNECT, NDPI_PROTOCOL_UNKNOWN); return; } else { dst->detected_directconnect_ssl_port = 0; - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "resetting dst port due to timeout"); + NDPI_LOG_DBG2(ndpi_struct, "resetting dst port due to timeout\n"); return; } } @@ -242,8 +233,7 @@ static void ndpi_search_directconnect_tcp(struct ndpi_detection_module_struct *n if (packet->payload[0] == '$' && packet->payload[packet->payload_packet_len - 1] == '|' && (memcmp(&packet->payload[1], "Lock ", 5) == 0)) { - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "maybe first dc connect to hub detected\n"); + NDPI_LOG_DBG2(ndpi_struct, "maybe first dc connect to hub detected\n"); flow->directconnect_stage = 1; return; } @@ -251,8 +241,7 @@ static void ndpi_search_directconnect_tcp(struct ndpi_detection_module_struct *n && packet->payload[0] == '$' && packet->payload[packet->payload_packet_len - 1] == '|' && (memcmp(&packet->payload[1], "MyNick ", 7) == 0)) { - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "maybe first dc connect between peers detected\n"); + NDPI_LOG_DBG2(ndpi_struct, "maybe first dc connect between peers detected\n"); flow->directconnect_stage = 2; return; } @@ -262,15 +251,13 @@ static void ndpi_search_directconnect_tcp(struct ndpi_detection_module_struct *n /* did not see this pattern in any trace */ if (memcmp(&packet->payload[0], "HSUP ADBAS0", 11) == 0 || memcmp(&packet->payload[0], "HSUP ADBASE", 11) == 0) { - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "found directconnect HSUP ADBAS0 E\n"); + NDPI_LOG_INFO(ndpi_struct, "found DC HSUP ADBAS0 E\n"); ndpi_int_directconnect_add_connection(ndpi_struct, flow, DIRECT_CONNECT_TYPE_HUB); return; /* did not see this pattern in any trace */ } else if (memcmp(&packet->payload[0], "CSUP ADBAS0", 11) == 0 || memcmp(&packet->payload[0], "CSUP ADBASE", 11) == 0) { - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "found directconnect CSUP ADBAS0 E\n"); + NDPI_LOG_INFO(ndpi_struct, "found DC CSUP ADBAS0 E\n"); ndpi_int_directconnect_add_connection(ndpi_struct, flow, DIRECT_CONNECT_ADC_PEER); return; @@ -283,19 +270,14 @@ static void ndpi_search_directconnect_tcp(struct ndpi_detection_module_struct *n /* did not see this pattern in any trace */ if (memcmp(&packet->payload[0], "HSUP ADBAS0", 11) == 0 || memcmp(&packet->payload[0], "HSUP ADBASE", 11) == 0) { - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "found directconnect HSUP ADBAS E in second packet\n"); + NDPI_LOG_INFO(ndpi_struct, "found DC HSUP ADBAS E in second packet\n"); ndpi_int_directconnect_add_connection(ndpi_struct, flow, DIRECT_CONNECT_TYPE_HUB); - return; /* did not see this pattern in any trace */ } else if (memcmp(&packet->payload[0], "CSUP ADBAS0", 11) == 0 || memcmp(&packet->payload[0], "CSUP ADBASE", 11) == 0) { - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "found directconnect HSUP ADBAS0 E in second packet\n"); + NDPI_LOG_INFO(ndpi_struct, "found DC HSUP ADBAS0 E in second packet\n"); ndpi_int_directconnect_add_connection(ndpi_struct, flow, DIRECT_CONNECT_ADC_PEER); - - return; } @@ -304,12 +286,11 @@ static void ndpi_search_directconnect_tcp(struct ndpi_detection_module_struct *n if (packet->payload_packet_len > 6) { if ((packet->payload[0] == '$' || packet->payload[0] == '<') && packet->payload[packet->payload_packet_len - 1] == '|') { - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, NDPI_LOG_DEBUG, "second dc detected\n"); + NDPI_LOG_INFO(ndpi_struct, "found DC second\n"); ndpi_int_directconnect_add_connection(ndpi_struct, flow, DIRECT_CONNECT_TYPE_HUB); - return; } else { - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, NDPI_LOG_DEBUG, "second dc not detected\n"); + NDPI_LOG_DBG2(ndpi_struct, "second dc not detected\n"); } } @@ -317,23 +298,17 @@ static void ndpi_search_directconnect_tcp(struct ndpi_detection_module_struct *n /* get client hello answer or server message */ if (packet->payload_packet_len > 6) { if (packet->payload[0] == '$' && packet->payload[packet->payload_packet_len - 1] == '|') { - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "second dc between peers detected\n"); - - + NDPI_LOG_INFO(ndpi_struct, "found DC between peers\n"); ndpi_int_directconnect_add_connection(ndpi_struct, flow, DIRECT_CONNECT_TYPE_PEER); - return; } else { - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "second dc between peers not detected\n"); + NDPI_LOG_DBG2(ndpi_struct, "second dc between peers not detected\n"); } } } - - NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_DIRECTCONNECT); + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); } @@ -352,15 +327,13 @@ static void ndpi_search_directconnect_udp(struct ndpi_detection_module_struct (packet->tick_timestamp - dst->directconnect_last_safe_access_time) < ndpi_struct->directconnect_connection_ip_tick_timeout) { - ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_DIRECTCONNECT, NDPI_PROTOCOL_UNKNOWN); dst->directconnect_last_safe_access_time = packet->tick_timestamp; - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "marking using dc udp port\n %d", ntohs(dst->detected_directconnect_udp_port)); + NDPI_LOG_INFO(ndpi_struct, "found DC using udp port %d\n", ntohs(dst->detected_directconnect_udp_port)); + ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_DIRECTCONNECT, NDPI_PROTOCOL_UNKNOWN); return; } else { dst->detected_directconnect_udp_port = 0; - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "resetting dst udp port due to timeout"); + NDPI_LOG_DBG2(ndpi_struct, "resetting dst udp port due to timeout\n"); return; } } @@ -380,20 +353,15 @@ static void ndpi_search_directconnect_udp(struct ndpi_detection_module_struct if (packet->payload[pos] == '(') { pos = pos - 44; if (pos > 2 && memcmp(&packet->payload[pos], "TTH:", 4) == 0) { - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, NDPI_LOG_DEBUG, "dc udp detected\n"); + NDPI_LOG_INFO(ndpi_struct, "found DC udp\n"); ndpi_int_directconnect_add_connection(ndpi_struct, flow, DIRECT_CONNECT_TYPE_PEER); return; } } } flow->directconnect_stage++; - - if (flow->directconnect_stage < 3) { - - + if (flow->directconnect_stage < 3) return; - } - } } @@ -411,7 +379,7 @@ static void ndpi_search_directconnect_udp(struct ndpi_detection_module_struct if (packet->payload[pos] == '(') { pos = pos - 44; if (pos > 2 && memcmp(&packet->payload[pos], "TTH:", 4) == 0) { - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, NDPI_LOG_DEBUG, "dc udp detected\n"); + NDPI_LOG_INFO(ndpi_struct, "found DC udp\n"); ndpi_int_directconnect_add_connection(ndpi_struct, flow, DIRECT_CONNECT_TYPE_PEER); return; } @@ -420,15 +388,11 @@ static void ndpi_search_directconnect_udp(struct ndpi_detection_module_struct flow->directconnect_stage++; if (flow->directconnect_stage < 3) return; - } } } - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, NDPI_LOG_DEBUG, - "excluded at stage %d \n", flow->directconnect_stage); - - + NDPI_LOG_DBG(ndpi_struct, "excluded DC at stage %d \n", flow->directconnect_stage); NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_DIRECTCONNECT); @@ -442,7 +406,7 @@ void ndpi_search_directconnect(struct ndpi_detection_module_struct struct ndpi_id_struct *src = flow->src; struct ndpi_id_struct *dst = flow->dst; - + NDPI_LOG_DBG(ndpi_struct, "search DC\n"); if (packet->detected_protocol_stack[0] == NDPI_PROTOCOL_DIRECTCONNECT) { if (src != NULL && ((u_int32_t) @@ -458,8 +422,7 @@ void ndpi_search_directconnect(struct ndpi_detection_module_struct dst->directconnect_last_safe_access_time = packet->tick_timestamp; } else { packet->detected_protocol_stack[0] = NDPI_PROTOCOL_UNKNOWN; - NDPI_LOG(NDPI_PROTOCOL_DIRECTCONNECT, ndpi_struct, - NDPI_LOG_DEBUG, "directconnect: skipping as unknown due to timeout\n"); + NDPI_LOG_DBG2(ndpi_struct, "skipping as unknown due to timeout\n"); } return; } |