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/*
* oracle.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_protocol_ids.h"
#ifdef NDPI_PROTOCOL_ORACLE
#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_ORACLE
#include "ndpi_api.h"
static void ndpi_int_oracle_add_connection(struct ndpi_detection_module_struct
*ndpi_struct, struct ndpi_flow_struct *flow)
{
ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_ORACLE, NDPI_PROTOCOL_UNKNOWN);
}
void ndpi_search_oracle(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
{
struct ndpi_packet_struct *packet = &flow->packet;
u_int16_t dport = 0, sport = 0;
NDPI_LOG_DBG(ndpi_struct, "search ORACLE\n");
if(packet->tcp != NULL) {
sport = ntohs(packet->tcp->source), dport = ntohs(packet->tcp->dest);
NDPI_LOG_DBG2(ndpi_struct, "calculating ORACLE over tcp\n");
/* Oracle Database 9g,10g,11g */
if ((dport == 1521 || sport == 1521)
&& (((packet->payload[0] == 0x07) && (packet->payload[1] == 0xff) && (packet->payload[2] == 0x00))
|| ((packet->payload_packet_len >= 232) && ((packet->payload[0] == 0x00) || (packet->payload[0] == 0x01))
&& (packet->payload[1] != 0x00)
&& (packet->payload[2] == 0x00)
&& (packet->payload[3] == 0x00)))) {
NDPI_LOG_INFO(ndpi_struct, "found oracle\n");
ndpi_int_oracle_add_connection(ndpi_struct, flow);
} else if (packet->payload_packet_len == 213 && packet->payload[0] == 0x00 &&
packet->payload[1] == 0xd5 && packet->payload[2] == 0x00 &&
packet->payload[3] == 0x00 ) {
NDPI_LOG_INFO(ndpi_struct, "found oracle\n");
ndpi_int_oracle_add_connection(ndpi_struct, flow);
}
} else {
NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
}
}
void init_oracle_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask)
{
ndpi_set_bitmask_protocol_detection("Oracle", ndpi_struct, detection_bitmask, *id,
NDPI_PROTOCOL_ORACLE,
ndpi_search_oracle,
NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD_WITHOUT_RETRANSMISSION,
SAVE_DETECTION_BITMASK_AS_UNKNOWN,
ADD_TO_DETECTION_BITMASK);
*id += 1;
}
#endif
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