diff options
| author | Toni <matzeton@googlemail.com> | 2022-08-02 16:15:07 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-08-02 16:15:07 +0200 |
| commit | 26aafd931c1a25a631a564ab8f468466344bc731 (patch) | |
| tree | fd58cd8729949f29414b0f336d6103567cddd714 /src | |
| parent | 013212c67c2b9f9c227e1c0db0becea040af2b6b (diff) | |
Add Activision dissector. (#1693)
Signed-off-by: lns <matzeton@googlemail.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/ndpi_protocols.h | 1 | ||||
| -rw-r--r-- | src/lib/ndpi_main.c | 3 | ||||
| -rw-r--r-- | src/lib/protocols/activision.c | 112 |
3 files changed, 116 insertions, 0 deletions
diff --git a/src/include/ndpi_protocols.h b/src/include/ndpi_protocols.h index f674b2849..1402e4022 100644 --- a/src/include/ndpi_protocols.h +++ b/src/include/ndpi_protocols.h @@ -235,6 +235,7 @@ void init_threema_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_ void init_alicloud_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask); void init_avast_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask); void init_softether_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask); +void init_activision_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask); /* ndpi_main.c */ extern u_int32_t ndpi_ip_port_hash_funct(u_int32_t ip, u_int16_t port); diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c index 134af2899..daa549671 100644 --- a/src/lib/ndpi_main.c +++ b/src/lib/ndpi_main.c @@ -4537,6 +4537,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) { /* Softether */ init_softether_dissector(ndpi_str, &a, detection_bitmask); + /* Activision */ + init_activision_dissector(ndpi_str, &a, detection_bitmask); + #ifdef CUSTOM_NDPI_PROTOCOLS #include "../../../nDPI-custom/custom_ndpi_main_init.c" #endif diff --git a/src/lib/protocols/activision.c b/src/lib/protocols/activision.c new file mode 100644 index 000000000..7ef7d23c2 --- /dev/null +++ b/src/lib/protocols/activision.c @@ -0,0 +1,112 @@ +/* + * activision.c + * + * Copyright (C) 2022 - ntop.org + * + * nDPI is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * nDPI is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with nDPI. If not, see <http://www.gnu.org/licenses/>. + * + */ + + +#include "ndpi_protocol_ids.h" + +#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_ACTIVISION + +#include "ndpi_api.h" + +static void ndpi_int_activision_add_connection(struct ndpi_detection_module_struct * const ndpi_struct, + struct ndpi_flow_struct * const flow) +{ + NDPI_LOG_INFO(ndpi_struct, "found activision\n"); + ndpi_set_detected_protocol(ndpi_struct, flow, + NDPI_PROTOCOL_ACTIVISION, + NDPI_PROTOCOL_UNKNOWN, + NDPI_CONFIDENCE_DPI); +} + +void ndpi_search_activision(struct ndpi_detection_module_struct *ndpi_struct, + struct ndpi_flow_struct *flow) +{ + struct ndpi_packet_struct const * const packet = &ndpi_struct->packet; + + NDPI_LOG_DBG(ndpi_struct, "search activision\n"); + + if (packet->payload_packet_len < 18) + { + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + return; + } + + if (flow->packet_direction_counter[packet->packet_direction] == 1) + { + if (packet->packet_direction == 0) + { + if (ntohs(get_u_int16_t(packet->payload, 0)) != 0x0c02) + { + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + return; + } + } else { + if (ntohs(get_u_int16_t(packet->payload, 0)) != 0x0d02) + { + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + return; + } + } + + if (packet->payload_packet_len < 29) + { + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + return; + } + + if (ntohs(get_u_int16_t(packet->payload, 17)) == 0xc0a8 && + ntohl(get_u_int32_t(packet->payload, 19)) == 0x0015020c) + { + ndpi_int_activision_add_connection(ndpi_struct, flow); + return; + } + } else if (packet->packet_direction == 0) { + if (packet->payload[0] != 0x29) + { + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + return; + } + } else if (packet->packet_direction == 1) { + if (packet->payload[0] != 0x28) + { + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + return; + } + } + + if (flow->packet_counter > 4) + { + ndpi_int_activision_add_connection(ndpi_struct, flow); + } +} + +void init_activision_dissector(struct ndpi_detection_module_struct *ndpi_struct, + u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask) +{ + ndpi_set_bitmask_protocol_detection("Activision", ndpi_struct, detection_bitmask, *id, + NDPI_PROTOCOL_ACTIVISION, + ndpi_search_activision, + NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD, + SAVE_DETECTION_BITMASK_AS_UNKNOWN, + ADD_TO_DETECTION_BITMASK + ); + + *id += 1; +} |