diff options
Diffstat (limited to 'src/lib/protocols/ssh.c')
| -rw-r--r-- | src/lib/protocols/ssh.c | 57 |
1 files changed, 25 insertions, 32 deletions
diff --git a/src/lib/protocols/ssh.c b/src/lib/protocols/ssh.c index 27827afa5..cadc43f6d 100644 --- a/src/lib/protocols/ssh.c +++ b/src/lib/protocols/ssh.c @@ -27,42 +27,35 @@ #ifdef NDPI_PROTOCOL_SSH static void ndpi_int_ssh_add_connection(struct ndpi_detection_module_struct - *ndpi_struct, struct ndpi_flow_struct *flow) -{ - ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_SSH); + *ndpi_struct, struct ndpi_flow_struct *flow){ + ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_SSH, NDPI_PROTOCOL_UNKNOWN); } void ndpi_search_ssh_tcp(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) { - struct ndpi_packet_struct *packet = &flow->packet; - -// struct ndpi_id_struct *src=ndpi_struct->src; -// struct ndpi_id_struct *dst=ndpi_struct->dst; - - - - if (flow->l4.tcp.ssh_stage == 0) { - if (packet->payload_packet_len > 7 && packet->payload_packet_len < 100 - && memcmp(packet->payload, "SSH-", 4) == 0) { - NDPI_LOG(NDPI_PROTOCOL_SSH, ndpi_struct, NDPI_LOG_DEBUG, "ssh stage 0 passed\n"); - flow->l4.tcp.ssh_stage = 1 + packet->packet_direction; - return; - } - } else if (flow->l4.tcp.ssh_stage == (2 - packet->packet_direction)) { - if (packet->payload_packet_len > 7 && packet->payload_packet_len < 100 - && memcmp(packet->payload, "SSH-", 4) == 0) { - NDPI_LOG(NDPI_PROTOCOL_SSH, ndpi_struct, NDPI_LOG_DEBUG, "found ssh\n"); - ndpi_int_ssh_add_connection(ndpi_struct, flow); - return; - - } - - - } - - NDPI_LOG(NDPI_PROTOCOL_SSH, ndpi_struct, NDPI_LOG_DEBUG, "excluding ssh at stage %d\n", flow->l4.tcp.ssh_stage); - - NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_SSH); + struct ndpi_packet_struct *packet = &flow->packet; + // struct ndpi_id_struct *src=ndpi_struct->src; + // struct ndpi_id_struct *dst=ndpi_struct->dst; + + if (flow->l4.tcp.ssh_stage == 0) { + if (packet->payload_packet_len > 7 && packet->payload_packet_len < 100 + && memcmp(packet->payload, "SSH-", 4) == 0) { + NDPI_LOG(NDPI_PROTOCOL_SSH, ndpi_struct, NDPI_LOG_DEBUG, "ssh stage 0 passed\n"); + flow->l4.tcp.ssh_stage = 1 + packet->packet_direction; + return; + } + } else if (flow->l4.tcp.ssh_stage == (2 - packet->packet_direction)) { + if (packet->payload_packet_len > 7 && packet->payload_packet_len < 100 + && memcmp(packet->payload, "SSH-", 4) == 0) { + NDPI_LOG(NDPI_PROTOCOL_SSH, ndpi_struct, NDPI_LOG_DEBUG, "found ssh\n"); + ndpi_int_ssh_add_connection(ndpi_struct, flow); + return; + + } + } + + NDPI_LOG(NDPI_PROTOCOL_SSH, ndpi_struct, NDPI_LOG_DEBUG, "excluding ssh at stage %d\n", flow->l4.tcp.ssh_stage); + NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_SSH); } #endif |