Reset `Unidirectional Traffc` risk if packets from both directions processed.1.6rc2

 * Fixed risk hash value calculation, which was only done lower 32 bits.
 * Reduced default reader threads count to two if cross compiling.

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/test/results/default/whatsapp_login_chat.pcap.out b/test/results/default/whatsapp_login_chat.pcap.out
index d9b91c1f8..2cabcc2cf 100644
--- a/test/results/default/whatsapp_login_chat.pcap.out
+++ b/test/results/default/whatsapp_login_chat.pcap.out
@@ -21,6 +21,7 @@
 01055{"flow_event_id":7,"flow_event_name":"detected","thread_id":0,"packet_id":19,"source":"cfgs\/default\/pcap\/whatsapp_login_chat.pcap","alias":"nDPId-test","flow_id":4,"flow_state":"info","flow_src_packets_processed":2,"flow_dst_packets_processed":0,"flow_first_seen":1432582381179399,"flow_src_last_pkt_time":1432582381179706,"flow_dst_last_pkt_time":1432582381179399,"flow_idle_time":7580000000,"flow_src_min_l4_payload_len":477,"flow_dst_min_l4_payload_len":0,"flow_src_max_l4_payload_len":1440,"flow_dst_max_l4_payload_len":0,"flow_src_tot_l4_payload_len":1917,"flow_dst_tot_l4_payload_len":0,"midstream":1,"thread_ts_usec":1432582381179706,"l3_proto":"ip4","src_ip":"192.168.2.4","dst_ip":"17.173.66.102","src_port":49205,"dst_port":443,"l4_proto":"tcp","ndpi": {"flow_risk": {"46": {"risk":"Unidirectional Traffic","severity":"Low","risk_score": {"total":500,"client":430,"server":70}}},"confidence": {"6":"DPI"},"proto":"TLS","proto_id":"91","proto_by_ip":"Apple","proto_by_ip_id":140,"encrypted":1,"breed":"Safe","category_id":5,"category":"Web"}}
 01298{"packet_event_id":2,"packet_event_name":"packet-flow","thread_id":0,"packet_id":20,"source":"cfgs\/default\/pcap\/whatsapp_login_chat.pcap","alias":"nDPId-test","flow_id":4,"flow_packet_id":3,"flow_src_last_pkt_time":1432582381179774,"flow_dst_last_pkt_time":1432582381179399,"flow_idle_time":7580000000,"pkt_datalink":1,"pkt_caplen":610,"pkt_type":2048,"pkt_l3_offset":14,"pkt_l4_offset":34,"pkt_len":610,"pkt_l4_len":576,"thread_ts_usec":1432582381179774,"pkt":"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"}
 00537{"packet_event_id":2,"packet_event_name":"packet-flow","thread_id":0,"packet_id":23,"source":"cfgs\/default\/pcap\/whatsapp_login_chat.pcap","alias":"nDPId-test","flow_id":4,"flow_packet_id":4,"flow_src_last_pkt_time":1432582381179774,"flow_dst_last_pkt_time":1432582381335456,"flow_idle_time":7580000000,"pkt_datalink":1,"pkt_caplen":54,"pkt_type":2048,"pkt_l3_offset":14,"pkt_l4_offset":34,"pkt_len":54,"pkt_l4_len":20,"thread_ts_usec":1432582381335456,"pkt":"APS5Jrv0xiwDYGpkCABFAAAo17YAAO8G3VkRrUJmwKgCBAG7wDWkxjE9fnJhCVAQDFgVTQAA"}
+00938{"flow_event_id":8,"flow_event_name":"detection-update","thread_id":0,"packet_id":23,"source":"cfgs\/default\/pcap\/whatsapp_login_chat.pcap","alias":"nDPId-test","flow_id":4,"flow_state":"info","flow_src_packets_processed":3,"flow_dst_packets_processed":1,"flow_first_seen":1432582381179399,"flow_src_last_pkt_time":1432582381179774,"flow_dst_last_pkt_time":1432582381335456,"flow_idle_time":7580000000,"flow_src_min_l4_payload_len":477,"flow_dst_min_l4_payload_len":0,"flow_src_max_l4_payload_len":1440,"flow_dst_max_l4_payload_len":0,"flow_src_tot_l4_payload_len":2473,"flow_dst_tot_l4_payload_len":0,"midstream":1,"thread_ts_usec":1432582381335456,"l3_proto":"ip4","src_ip":"192.168.2.4","dst_ip":"17.173.66.102","src_port":49205,"dst_port":443,"l4_proto":"tcp","ndpi": {"confidence": {"6":"DPI"},"proto":"TLS","proto_id":"91","proto_by_ip":"Apple","proto_by_ip_id":140,"encrypted":1,"breed":"Safe","category_id":5,"category":"Web"}}
 00537{"packet_event_id":2,"packet_event_name":"packet-flow","thread_id":0,"packet_id":24,"source":"cfgs\/default\/pcap\/whatsapp_login_chat.pcap","alias":"nDPId-test","flow_id":4,"flow_packet_id":5,"flow_src_last_pkt_time":1432582381179774,"flow_dst_last_pkt_time":1432582381341497,"flow_idle_time":7580000000,"pkt_datalink":1,"pkt_caplen":54,"pkt_type":2048,"pkt_l3_offset":14,"pkt_l4_offset":34,"pkt_len":54,"pkt_l4_len":20,"thread_ts_usec":1432582381341497,"pkt":"APS5Jrv0xiwDYGpkCABFAAAo17cAAO8G3VgRrUJmwKgCBAG7wDWkxjE9fnJjNVAQDZ0R3AAA"}
 02174{"flow_event_id":5,"flow_event_name":"analyse","thread_id":0,"packet_id":53,"source":"cfgs\/default\/pcap\/whatsapp_login_chat.pcap","alias":"nDPId-test","flow_id":4,"flow_state":"finished","flow_src_packets_processed":17,"flow_dst_packets_processed":15,"flow_first_seen":1432582381179399,"flow_src_last_pkt_time":1432582384764367,"flow_dst_last_pkt_time":1432582384691063,"flow_idle_time":7580000000,"flow_src_min_l4_payload_len":0,"flow_dst_min_l4_payload_len":0,"flow_src_max_l4_payload_len":1440,"flow_dst_max_l4_payload_len":948,"flow_src_tot_l4_payload_len":11339,"flow_dst_tot_l4_payload_len":3880,"midstream":1,"thread_ts_usec":1432582384764367,"l3_proto":"ip4","src_ip":"192.168.2.4","dst_ip":"17.173.66.102","src_port":49205,"dst_port":443,"l4_proto":"tcp","flow_datalink":1,"flow_max_packets":5,"data_analysis": {"iat": {"min":3,"avg":228923.6,"max":3030585,"stddev":711161.6,"var":505750847488.0,"ent":2.0,"data": [307,68,156057,6041,20562,3,205015,214,59650,355,76,237850,6388,13739,3,246436,156,2803227,690,58,155,163,149,3030585,5762,13968,11,3,10327,10365,268249]},"pktlen": {"min":40,"avg":515.6,"max":1480,"stddev":518.7,"var":269058.2,"ent":4.2,"data": [1480,517,596,40,40,986,386,40,40,1480,524,596,40,40,988,386,40,40,1480,517,596,1480,1240,1240,40,40,988,386,40,40,40,113]},"bins": {"c_to_s": [4,0,1,0,0,0,0,0,0,0,0,0,0,0,2,1,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,4,0,0],"s_to_c": [9,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]},"directions": [0,0,0,1,1,1,1,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,0],"entropies": [7.845222473,7.564460754,7.723596096,4.884183884,4.784184456,7.802291870,7.349081993,4.781687260,4.881687164,7.891665459,7.618573189,7.589188576,4.834184170,4.884183884,7.765514851,7.364068508,4.931687355,4.931687355,7.868970394,7.635158062,7.659084320,7.869641304,7.832291603,7.869807243,4.884183884,4.884183884,7.782162189,7.393073082,4.765311718,4.815311432,4.815311432,6.363091469]},"ndpi": {"confidence": {"6":"DPI"},"proto":"TLS","proto_id":"91","proto_by_ip":"Apple","proto_by_ip_id":140,"encrypted":1,"breed":"Safe","category_id":5,"category":"Web"}}
 00792{"flow_event_id":1,"flow_event_name":"new","thread_id":0,"packet_id":73,"source":"cfgs\/default\/pcap\/whatsapp_login_chat.pcap","alias":"nDPId-test","flow_id":5,"flow_state":"info","flow_src_packets_processed":1,"flow_dst_packets_processed":0,"flow_first_seen":1432582396509617,"flow_src_last_pkt_time":1432582396509617,"flow_dst_last_pkt_time":1432582396509617,"flow_idle_time":200000000,"flow_src_min_l4_payload_len":502,"flow_dst_min_l4_payload_len":0,"flow_src_max_l4_payload_len":502,"flow_dst_max_l4_payload_len":0,"flow_src_tot_l4_payload_len":502,"flow_dst_tot_l4_payload_len":0,"midstream":0,"thread_ts_usec":1432582396509617,"l3_proto":"ip4","src_ip":"192.168.2.1","dst_ip":"192.168.2.255","src_port":17500,"dst_port":17500,"l4_proto":"udp","flow_datalink":1,"flow_max_packets":5}
@@ -48,15 +49,15 @@
 00972{"packet_event_id":2,"packet_event_name":"packet-flow","thread_id":0,"packet_id":90,"source":"cfgs\/default\/pcap\/whatsapp_login_chat.pcap","alias":"nDPId-test","flow_id":9,"flow_packet_id":5,"flow_src_last_pkt_time":1432582421365471,"flow_dst_last_pkt_time":1432582411561512,"flow_idle_time":7580000000,"pkt_datalink":1,"pkt_caplen":375,"pkt_type":2048,"pkt_l3_offset":14,"pkt_l4_offset":34,"pkt_len":375,"pkt_l4_len":341,"thread_ts_usec":1432582421365471,"pkt":"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"}
 01206{"packet_event_id":2,"packet_event_name":"packet-flow","thread_id":0,"packet_id":92,"source":"cfgs\/default\/pcap\/whatsapp_login_chat.pcap","alias":"nDPId-test","flow_id":5,"flow_packet_id":2,"flow_src_last_pkt_time":1432582426553706,"flow_dst_last_pkt_time":1432582396509617,"flow_idle_time":200000000,"pkt_datalink":1,"pkt_caplen":544,"pkt_type":2048,"pkt_l3_offset":14,"pkt_l4_offset":34,"pkt_len":544,"pkt_l4_len":510,"thread_ts_usec":1432582426553706,"pkt":"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"}
 00973{"flow_event_id":3,"flow_event_name":"idle","thread_id":0,"packet_id":93,"source":"cfgs\/default\/pcap\/whatsapp_login_chat.pcap","alias":"nDPId-test","flow_id":6,"flow_state":"finished","flow_src_packets_processed":6,"flow_dst_packets_processed":0,"flow_first_seen":1432582399902785,"flow_src_last_pkt_time":1432582425196086,"flow_dst_last_pkt_time":1432582399902785,"flow_idle_time":200000000,"flow_src_min_l4_payload_len":300,"flow_dst_min_l4_payload_len":0,"flow_src_max_l4_payload_len":300,"flow_dst_max_l4_payload_len":0,"flow_src_tot_l4_payload_len":1800,"flow_dst_tot_l4_payload_len":0,"midstream":0,"thread_ts_usec":1432582431565397,"l3_proto":"ip4","src_ip":"0.0.0.0","dst_ip":"255.255.255.255","src_port":68,"dst_port":67,"l4_proto":"udp","flow_datalink":1,"flow_max_packets":5,"ndpi": {"confidence": {"6":"DPI"},"proto":"DHCP","proto_id":"18","proto_by_ip":"Unknown","proto_by_ip_id":0,"encrypted":0,"breed":"Acceptable","category_id":14,"category":"Network"}}
-00796{"flow_event_id":3,"flow_event_name":"idle","thread_id":0,"packet_id":93,"source":"cfgs\/default\/pcap\/whatsapp_login_chat.pcap","alias":"nDPId-test","flow_id":8,"flow_state":"info","flow_src_packets_processed":1,"flow_dst_packets_processed":0,"flow_first_seen":1432582402667840,"flow_src_last_pkt_time":1432582402667840,"flow_dst_last_pkt_time":1432582402667840,"flow_idle_time":200000000,"flow_src_min_l4_payload_len":49,"flow_dst_min_l4_payload_len":0,"flow_src_max_l4_payload_len":49,"flow_dst_max_l4_payload_len":0,"flow_src_tot_l4_payload_len":49,"flow_dst_tot_l4_payload_len":0,"midstream":0,"thread_ts_usec":1432582431565397,"l3_proto":"ip6","src_ip":"fe80::189c:c31b:1298:224","dst_ip":"ff02::fb","src_port":5353,"dst_port":5353,"l4_proto":"udp","flow_datalink":1,"flow_max_packets":5}
+00978{"flow_event_id":3,"flow_event_name":"idle","thread_id":0,"packet_id":93,"source":"cfgs\/default\/pcap\/whatsapp_login_chat.pcap","alias":"nDPId-test","flow_id":8,"flow_state":"info","flow_src_packets_processed":1,"flow_dst_packets_processed":0,"flow_first_seen":1432582402667840,"flow_src_last_pkt_time":1432582402667840,"flow_dst_last_pkt_time":1432582402667840,"flow_idle_time":200000000,"flow_src_min_l4_payload_len":49,"flow_dst_min_l4_payload_len":0,"flow_src_max_l4_payload_len":49,"flow_dst_max_l4_payload_len":0,"flow_src_tot_l4_payload_len":49,"flow_dst_tot_l4_payload_len":0,"midstream":0,"thread_ts_usec":1432582431565397,"l3_proto":"ip6","src_ip":"fe80::189c:c31b:1298:224","dst_ip":"ff02::fb","src_port":5353,"dst_port":5353,"l4_proto":"udp","flow_datalink":1,"flow_max_packets":5,"ndpi": {"confidence": {"6":"DPI"},"proto":"MDNS","proto_id":"8","proto_by_ip":"Unknown","proto_by_ip_id":0,"encrypted":0,"breed":"Acceptable","category_id":14,"category":"Network"}}
 00983{"flow_event_id":3,"flow_event_name":"idle","thread_id":0,"packet_id":93,"source":"cfgs\/default\/pcap\/whatsapp_login_chat.pcap","alias":"nDPId-test","flow_id":5,"flow_state":"finished","flow_src_packets_processed":2,"flow_dst_packets_processed":0,"flow_first_seen":1432582396509617,"flow_src_last_pkt_time":1432582426553706,"flow_dst_last_pkt_time":1432582396509617,"flow_idle_time":200000000,"flow_src_min_l4_payload_len":502,"flow_dst_min_l4_payload_len":0,"flow_src_max_l4_payload_len":502,"flow_dst_max_l4_payload_len":0,"flow_src_tot_l4_payload_len":1004,"flow_dst_tot_l4_payload_len":0,"midstream":0,"thread_ts_usec":1432582431565397,"l3_proto":"ip4","src_ip":"192.168.2.1","dst_ip":"192.168.2.255","src_port":17500,"dst_port":17500,"l4_proto":"udp","flow_datalink":1,"flow_max_packets":5,"ndpi": {"confidence": {"6":"DPI"},"proto":"Dropbox","proto_id":"121","proto_by_ip":"Unknown","proto_by_ip_id":0,"encrypted":0,"breed":"Acceptable","category_id":13,"category":"Cloud"}}
 00987{"flow_event_id":3,"flow_event_name":"idle","thread_id":0,"packet_id":93,"source":"cfgs\/default\/pcap\/whatsapp_login_chat.pcap","alias":"nDPId-test","flow_id":2,"flow_state":"finished","flow_src_packets_processed":1,"flow_dst_packets_processed":1,"flow_first_seen":1432582379543659,"flow_src_last_pkt_time":1432582379543659,"flow_dst_last_pkt_time":1432582379571955,"flow_idle_time":200000000,"flow_src_min_l4_payload_len":34,"flow_dst_min_l4_payload_len":0,"flow_src_max_l4_payload_len":34,"flow_dst_max_l4_payload_len":162,"flow_src_tot_l4_payload_len":34,"flow_dst_tot_l4_payload_len":162,"midstream":0,"thread_ts_usec":1432582431565397,"l3_proto":"ip4","src_ip":"192.168.2.4","dst_ip":"192.168.2.1","src_port":61697,"dst_port":53,"l4_proto":"udp","flow_datalink":1,"flow_max_packets":5,"ndpi": {"confidence": {"6":"DPI"},"proto":"DNS.WhatsApp","proto_id":"5.142","proto_by_ip":"Unknown","proto_by_ip_id":0,"encrypted":0,"breed":"Acceptable","category_id":14,"category":"Network"}}
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 ~~~~~~~~~~~~~~~~~~~~ SUMMARY ~~~~~~~~~~~~~~~~~~~~
 ~~ packets captured/processed: 93/93
 ~~ skipped flows.............: 0