/*
* Unpack the array of bytes 'ar' into a record 'rwrec'
*/
static int
ipv6ioRecordUnpack_V2(
skstream_t *rwIOS,
rwGenericRec_V5 *rwrec,
uint8_t *ar)
{
uint32_t ip;
/* swap if required */
if (rwIOS->swapFlag) {
ipv6ioRecordSwap_V2(ar);
}
/* Start time, TCP flags, Protocol, TCP State */
rwpackUnpackTimesFlagsProto(rwrec, ar, rwIOS->hdr_starttime);
/* application */
rwRecMemSetApplication(rwrec, &ar[ 6]);
/* sPort, dPort */
rwRecMemSetSPort(rwrec, &ar[ 8]);
rwRecMemSetDPort(rwrec, &ar[10]);
/* Elapsed */
rwRecMemSetElapsed(rwrec, &ar[12]);
/* packets, bytes */
rwRecMemSetPkts(rwrec, &ar[16]);
rwRecMemSetBytes(rwrec, &ar[20]);
/* sIP, dIP */
if (ar[5] & 0x80) {
/* Record is IPv6 */
#if !SK_ENABLE_IPV6
return SKSTREAM_ERR_UNSUPPORT_IPV6;
#else
rwRecSetIPv6(rwrec);
rwRecMemSetSIPv6(rwrec, &ar[24]);
rwRecMemSetDIPv6(rwrec, &ar[40]);
#endif /* SK_ENABLE_IPV6 */
} else {
/* Record is IPv4 */
memcpy(&ip, &ar[24+12], sizeof(ip));
rwRecSetSIPv4(rwrec, ntohl(ip));
memcpy(&ip, &ar[40+12], sizeof(ip));
rwRecSetDIPv4(rwrec, ntohl(ip));
}
/* sensor, flow_type from file name/header */
rwRecSetSensor(rwrec, rwIOS->hdr_sensor);
rwRecSetFlowType(rwrec, rwIOS->hdr_flowtype);
return SKSTREAM_OK;
}
/*
* Unpack the array of bytes 'ar' into a record 'rwrec'
*/
static int
ipv6ioRecordUnpack_V1(
skstream_t *rwIOS,
rwGenericRec_V5 *rwrec,
uint8_t *ar)
{
uint32_t ip;
/* swap if required */
if (rwIOS->swapFlag) {
ipv6ioRecordSwap_V1(ar);
}
rwRecMemSetStartTime(rwrec, &ar[0]);
rwRecMemSetElapsed(rwrec, &ar[8]);
rwRecMemSetSPort(rwrec, &ar[12]);
rwRecMemSetDPort(rwrec, &ar[14]);
rwRecMemSetProto(rwrec, &ar[16]);
rwRecMemSetFlowType(rwrec, &ar[17]);
rwRecMemSetSensor(rwrec, &ar[18]);
rwRecMemSetFlags(rwrec, &ar[20]);
rwRecMemSetInitFlags(rwrec, &ar[21]);
rwRecMemSetRestFlags(rwrec, &ar[22]);
rwRecMemSetTcpState(rwrec, &ar[23]);
rwRecMemSetApplication(rwrec, &ar[24]);
rwRecMemSetMemo(rwrec, &ar[26]);
rwRecMemSetPkts(rwrec, &ar[28]);
rwRecMemSetBytes(rwrec, &ar[32]);
if (ar[23] & 0x80) {
/* Record is IPv6 */
#if !SK_ENABLE_IPV6
return SKSTREAM_ERR_UNSUPPORT_IPV6;
#else
rwRecSetIPv6(rwrec);
rwRecMemSetSIPv6(rwrec, &ar[36]);
rwRecMemSetDIPv6(rwrec, &ar[52]);
#endif /* SK_ENABLE_IPV6 */
} else {
/* Record is IPv4 */
/* sIP */
memcpy(&ip, &ar[48], sizeof(ip));
rwRecSetSIPv4(rwrec, ntohl(ip));
/* dIP */
memcpy(&ip, &ar[64], sizeof(ip));
rwRecSetDIPv4(rwrec, ntohl(ip));
}
RWREC_MAYBE_CLEAR_TCPSTATE_EXPANDED(rwrec);
return SKSTREAM_OK;
}
/*
* Unpack the array of bytes 'ar' into a record 'rwrec'
*/
static int
ipv6routingioRecordUnpack_V3(
skstream_t *stream,
rwRec *rwrec,
uint8_t *ar)
{
uint32_t u32;
uint64_t u64;
#if !SK_ENABLE_IPV6
if (ar[23] & 0x80) {
/* Record is IPv6 */
return SKSTREAM_ERR_UNSUPPORT_IPV6;
}
#endif
/* swap if required */
if (stream->swapFlag) {
ipv6routingioRecordSwap_V3(ar);
}
rwRecMemSetStartTime(rwrec, &ar[0]);
rwRecMemSetElapsed(rwrec, &ar[8]);
rwRecMemSetSPort(rwrec, &ar[12]);
rwRecMemSetDPort(rwrec, &ar[14]);
rwRecMemSetProto(rwrec, &ar[16]);
rwRecMemSetFlowType(rwrec, &ar[17]);
rwRecMemSetSensor(rwrec, &ar[18]);
rwRecMemSetFlags(rwrec, &ar[20]);
rwRecMemSetInitFlags(rwrec, &ar[21]);
rwRecMemSetRestFlags(rwrec, &ar[22]);
rwRecMemSetTcpState(rwrec, &ar[23]);
rwRecMemSetApplication(rwrec, &ar[24]);
rwRecMemSetMemo(rwrec, &ar[26]);
/* Input; set to UINT16_MAX if too large */
memcpy(&u32, &ar[28], sizeof(u32));
if (u32 > UINT16_MAX) {
rwRecSetInput(rwrec, UINT16_MAX);
} else {
rwRecSetInput(rwrec, (uint16_t)u32);
}
/* Packets; set to UINT32_MAX if too large */
memcpy(&u64, &ar[32], sizeof(u64));
if (u64 > UINT32_MAX) {
rwRecSetPkts(rwrec, UINT32_MAX);
} else {
rwRecSetPkts(rwrec, (uint32_t)u64);
}
/* Bytes; set to UINT32_MAX if too large */
memcpy(&u64, &ar[40], sizeof(u64));
if (u64 > UINT32_MAX) {
rwRecSetBytes(rwrec, UINT32_MAX);
} else {
rwRecSetBytes(rwrec, (uint32_t)u64);
}
/* Output; set to UINT16_MAX if too large */
memcpy(&u32, &ar[96], sizeof(u32));
if (u32 > UINT16_MAX) {
rwRecSetOutput(rwrec, UINT16_MAX);
} else {
rwRecSetOutput(rwrec, (uint16_t)u32);
}
#if SK_ENABLE_IPV6
if (ar[23] & 0x80) {
/* Record is IPv6 */
rwRecSetIPv6(rwrec);
rwRecMemSetSIPv6(rwrec, &ar[48]);
rwRecMemSetDIPv6(rwrec, &ar[64]);
rwRecMemSetNhIPv6(rwrec, &ar[80]);
} else
#endif /* SK_ENABLE_IPV6 */
{
/* Record is IPv4, but data encoded as IPv6 */
uint32_t ip;
/* sIP */
memcpy(&ip, &ar[60], sizeof(ip));
rwRecSetSIPv4(rwrec, ntohl(ip));
/* dIP */
memcpy(&ip, &ar[76], sizeof(ip));
rwRecSetDIPv4(rwrec, ntohl(ip));
/* nhIP */
memcpy(&ip, &ar[92], sizeof(ip));
rwRecSetNhIPv4(rwrec, ntohl(ip));
}
/*
* No need for this; file format is post SiLK-3.6.0
* RWREC_MAYBE_CLEAR_TCPSTATE_EXPANDED(rwrec);
*/
return SKSTREAM_OK;
}