7e4a2f1775
This reverts commit f265cbad85
194 lines
4.4 KiB
Go
194 lines
4.4 KiB
Go
package oracle
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import (
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"bytes"
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"encoding/binary"
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osm "git.loafle.net/overflow/service_matcher-go"
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)
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type OracleMatcher struct {
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osm.Matchers
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}
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func (m *OracleMatcher) Key() string {
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return "ORACLE"
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}
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func (m *OracleMatcher) Type() string {
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return "DATABASE"
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}
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func (m *OracleMatcher) Name(matchCtx *osm.MatchCtx) string {
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return "Oracle"
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}
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func (m *OracleMatcher) IsPrePacket() bool {
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return false
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}
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func (m *OracleMatcher) HasResponse(matchCtx *osm.MatchCtx, index int) bool {
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return true
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}
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func (m *OracleMatcher) IsError(matchCtx *osm.MatchCtx, index int, packet *osm.Packet) bool {
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return false
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}
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func (m *OracleMatcher) Match(matchCtx *osm.MatchCtx, index int, packet *osm.Packet) error {
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if packet == nil {
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return osm.NotMatchedError()
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}
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header := header_packet{}
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refuse := body_refuse{}
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buf := new(bytes.Buffer)
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buf.Write(packet.Buffer)
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binary.Read(buf, binary.BigEndian, &header)
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binary.Read(buf, binary.BigEndian, &refuse)
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//fmt.Println(header)
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//fmt.Println(refuse)
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if header.Check_sum != 0 {
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return osm.NotMatchedError()
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}
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if header.Types != 4 {
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return osm.NotMatchedError()
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}
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if header.Reserved_byte != 0 {
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return osm.NotMatchedError()
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}
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if header.Header_sum != 0 {
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return osm.NotMatchedError()
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}
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if refuse.Reason_user != 34 {
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return osm.NotMatchedError()
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}
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if refuse.Reason_system != 0 {
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return osm.NotMatchedError()
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}
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dataLen := int(refuse.Data_len)
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if dataLen != packet.Len-12 { //
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if dataLen != packet.Len-22 { // morformed packet error not user not service
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return osm.NotMatchedError()
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}
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}
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return nil
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}
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func NewMatcher() osm.Matcher {
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m := &OracleMatcher{}
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hp := header_packet{
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Length: 247,
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Check_sum: 0,
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Types: 1,
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Reserved_byte: 0,
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Header_sum: 0,
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}
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bc := body_connect{
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Version: 315,
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Version_compatible: 300,
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//Service_options:
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Session_unit_size: 8192,
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Maxumum_trans_data_unit_size: 65535,
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//Nt_protocol_characteristics:
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Line_turnaround_value: 0,
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Value_of_1_in_hardware: 1,
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Length_of_connect_data: 177,
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Offset_to_connect_data: 70,
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Maximum_receivable_connect_data: 0,
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//Connect_flag0:
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//Connect_flag1:
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Trace_cross_facility_item_1: 0,
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Trace_cross_facility_item_2: 0,
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Trace_unique_connection_id: 0,
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//Unknown_data:
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//Connect_data:
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}
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bc.Service_options[0] = 0x0c
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bc.Service_options[1] = 0x41
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bc.Nt_protocol_characteristics[0] = 0x4f
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bc.Nt_protocol_characteristics[1] = 0x98
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bc.Connect_flag0 = 0x81
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bc.Connect_flag1 = 0x81
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bc.Unknown_data[10] = 0x20
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bc.Unknown_data[13] = 0x20
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conDataStr := "(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.1.30)(PORT=1521))(CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=loafle.match))(SERVICE_NAME=oracle.loafle.com1)))"
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//conDataStr := "(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.1.30)(PORT=1521))(CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Jackdaw))(SERVICE_NAME=oracle.loafle.co1m)))"
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connectData := make([]byte, len(conDataStr))
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copy(connectData, conDataStr)
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hpBuf := new(bytes.Buffer)
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binary.Write(hpBuf, binary.BigEndian, hp)
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hpBt := hpBuf.Bytes()
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bcBuf := new(bytes.Buffer)
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binary.Write(bcBuf, binary.BigEndian, bc)
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bcBt := bcBuf.Bytes()
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byteSize := len(hpBt) + len(bcBt) + len(conDataStr)
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sendByte := make([]byte, byteSize)
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copy(sendByte[0:], hpBt)
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copy(sendByte[len(hpBt):], bcBt)
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copy(sendByte[len(hpBt)+len(bcBt):], connectData)
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m.AddPacket(osm.NewPacket(sendByte, byteSize))
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return m
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}
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type header_packet struct {
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Length uint16
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Check_sum uint16
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Types byte
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Reserved_byte byte
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Header_sum uint16
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}
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type body_connect struct {
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Version uint16
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Version_compatible uint16
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Service_options [2]byte
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Session_unit_size uint16
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Maxumum_trans_data_unit_size uint16
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Nt_protocol_characteristics [2]byte
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Line_turnaround_value uint16
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Value_of_1_in_hardware uint16
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Length_of_connect_data uint16
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Offset_to_connect_data uint16
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Maximum_receivable_connect_data uint32
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Connect_flag0 byte
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Connect_flag1 byte
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Trace_cross_facility_item_1 uint32
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Trace_cross_facility_item_2 uint32
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Trace_unique_connection_id uint64
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Unknown_data [20]byte
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//Connect_data []byte
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}
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type body_refuse struct {
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Reason_user byte
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Reason_system byte
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Data_len uint16
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//Data []byte
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}
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