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/*
* rsync.c
*
* Copyright (C) 2013 Remy Mudingay <mudingay@ill.fr>
*
* This module 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.
*
* This module 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.
* If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "ndpi_api.h"
#ifdef NDPI_PROTOCOL_RSYNC
static void ndpi_int_rsync_add_connection(struct ndpi_detection_module_struct
*ndpi_struct, struct ndpi_flow_struct *flow)
{
ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_RSYNC, NDPI_PROTOCOL_UNKNOWN);
}
void ndpi_search_rsync(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
{
struct ndpi_packet_struct *packet = &flow->packet;
NDPI_LOG(NDPI_PROTOCOL_RSYNC, ndpi_struct, NDPI_LOG_DEBUG, "search for RSYNC.\n");
if(packet->tcp != NULL) {
NDPI_LOG(NDPI_PROTOCOL_RSYNC, ndpi_struct, NDPI_LOG_DEBUG, "calculating RSYNC over tcp.\n");
/*
* Should match: memcmp(packet->payload, "@RSYN NCD: 28", 14) == 0)
*/
if (packet->payload_packet_len == 12 && packet->payload[0] == 0x40 &&
packet->payload[1] == 0x52 && packet->payload[2] == 0x53 &&
packet->payload[3] == 0x59 && packet->payload[4] == 0x4e &&
packet->payload[5] == 0x43 && packet->payload[6] == 0x44 &&
packet->payload[7] == 0x3a ) {
NDPI_LOG(NDPI_PROTOCOL_RSYNC, ndpi_struct, NDPI_LOG_DEBUG, "found rsync.\n");
ndpi_int_rsync_add_connection(ndpi_struct, flow);
}
} else {
NDPI_LOG(NDPI_PROTOCOL_RSYNC, ndpi_struct, NDPI_LOG_DEBUG, "exclude RSYNC.\n");
NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_RSYNC);
}
}
#endif
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