diff options
Diffstat (limited to 'src/lib/protocols/gearup_booster.c')
-rw-r--r-- | src/lib/protocols/gearup_booster.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/lib/protocols/gearup_booster.c b/src/lib/protocols/gearup_booster.c new file mode 100644 index 000000000..3f9530a1b --- /dev/null +++ b/src/lib/protocols/gearup_booster.c @@ -0,0 +1,97 @@ +/* + * gearup_booster.c + * + * Copyright (C) 2011-25 - 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_GEARUP_BOOSTER + +#include "ndpi_api.h" +#include "ndpi_private.h" + +static void ndpi_int_gearup_booster_add_connection(struct ndpi_detection_module_struct * const ndpi_struct, + struct ndpi_flow_struct * const flow) +{ + NDPI_LOG_INFO(ndpi_struct, "found GearUP Booster\n"); + ndpi_set_detected_protocol(ndpi_struct, flow, + NDPI_PROTOCOL_GEARUP_BOOSTER, + NDPI_PROTOCOL_UNKNOWN, + NDPI_CONFIDENCE_DPI); +} + +static void ndpi_search_gearup_booster(struct ndpi_detection_module_struct *ndpi_struct, + struct ndpi_flow_struct *flow) +{ + struct ndpi_packet_struct * const packet = &ndpi_struct->packet; + + NDPI_LOG_DBG(ndpi_struct, "search GearUP Booster\n"); + + if (packet->udp->source != htons(9999) && packet->udp->dest != htons(9999)) + { + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + return; + } + + if (flow->packet_counter == 1) + { + if (packet->packet_direction != 0 || packet->udp->dest != htons(9999)) + { + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + return; + } + } + + if (packet->payload_packet_len == 4) + { + // mobile version + if (ntohl(get_u_int32_t(packet->payload, 0)) == 0x00000000) + { + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + return; + } + } else if (packet->payload_packet_len == 8) + { + // desktop version + if (ntohl(get_u_int32_t(packet->payload, 0)) == 0x00000000 || + packet->payload[7] != 0x00 || packet->payload[6] != 0x00 || packet->payload[5] != 0x00) + { + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + return; + } + } else { + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + return; + } + + ndpi_int_gearup_booster_add_connection(ndpi_struct, flow); +} + +void init_gearup_booster_dissector(struct ndpi_detection_module_struct *ndpi_struct, + u_int32_t *id) +{ + ndpi_set_bitmask_protocol_detection("GeaUP_Booster", ndpi_struct, *id, + NDPI_PROTOCOL_GEARUP_BOOSTER, + ndpi_search_gearup_booster, + NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD, + SAVE_DETECTION_BITMASK_AS_UNKNOWN, + ADD_TO_DETECTION_BITMASK); + + *id += 1; +} + |