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/*
* 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_DISSECTOR(ndpi_struct, flow);
return;
}
if (flow->packet_counter == 1)
{
if (packet->packet_direction != 0 || packet->udp->dest != htons(9999))
{
NDPI_EXCLUDE_DISSECTOR(ndpi_struct, flow);
return;
}
}
if (packet->payload_packet_len == 4)
{
// mobile version
if (ntohl(get_u_int32_t(packet->payload, 0)) == 0x00000000)
{
NDPI_EXCLUDE_DISSECTOR(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_DISSECTOR(ndpi_struct, flow);
return;
}
} else {
NDPI_EXCLUDE_DISSECTOR(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)
{
register_dissector("GeaUP_Booster", ndpi_struct,
ndpi_search_gearup_booster,
NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD,
1, NDPI_PROTOCOL_GEARUP_BOOSTER);
}
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