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connection.go
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connection.go
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package go_ora
import (
"context"
"database/sql"
"database/sql/driver"
"errors"
"fmt"
"github.com/sijms/go-ora/advanced_nego"
"github.com/sijms/go-ora/converters"
"github.com/sijms/go-ora/network"
"strconv"
)
type ConnectionState int
const (
Closed ConnectionState = 0
Opened ConnectionState = 1
)
type LogonMode int
const (
NoNewPass LogonMode = 0x1
//WithNewPass LogonMode = 0x2
SysDba LogonMode = 0x20 // no verify response from server
SysOper LogonMode = 0x40 // no verify response from server
UserAndPass LogonMode = 0x100
//PROXY LogonMode = 0x400
)
type NLSData struct {
Calender string
Comp string
Language string
LengthSemantics string
NCharConvExcep string
DateLang string
Sort string
Currency string
DateFormat string
IsoCurrency string
NumericChars string
DualCurrency string
Timestamp string
TimestampTZ string
}
type Connection struct {
State ConnectionState
LogonMode LogonMode
autoCommit bool
conStr *ConnectionString
connOption *network.ConnectionOption
session *network.Session
tcpNego *TCPNego
dataNego *DataTypeNego
authObject *AuthObject
SessionProperties map[string]string
dBVersion *DBVersion
sessionID int
serialID int
strConv converters.IStringConverter
NLSData NLSData
}
type OracleDriver struct {
}
type OracleConnector struct {
drv *OracleDriver
connectString string
}
func init() {
sql.Register("oracle", &OracleDriver{})
}
func (drv *OracleDriver) OpenConnector(name string) (driver.Connector, error) {
return &OracleConnector{drv: drv, connectString: name}, nil
}
func (connector *OracleConnector) Connect(ctx context.Context) (driver.Conn, error) {
conn, err := NewConnection(connector.connectString)
if err != nil {
return nil, err
}
err = conn.OpenWithContext(ctx)
if err != nil {
return nil, err
}
return conn, nil
}
func (connector *OracleConnector) Driver() driver.Driver {
return connector.drv
}
func (drv *OracleDriver) Open(name string) (driver.Conn, error) {
conn, err := NewConnection(name)
if err != nil {
return nil, err
}
return conn, conn.Open()
}
func (conn *Connection) SetStringConverter(converter converters.IStringConverter) {
conn.strConv = converter
conn.session.StrConv = converter
}
func (conn *Connection) GetNLS() (*NLSData, error) {
// we read from sys.nls_session_parameters ONCE
cmdText := `
DECLARE
err_code VARCHAR2(2000);
err_msg VARCHAR2(2000);
BEGIN
SELECT
MAX(CASE WHEN PARAMETER='NLS_CALENDAR' THEN VALUE END) AS NLS_CALENDAR,
MAX(CASE WHEN PARAMETER='NLS_COMP' THEN VALUE END) AS NLS_COMP,
MAX(CASE WHEN PARAMETER='NLS_LENGTH_SEMANTICS' THEN VALUE END) AS NLS_LENGTH_SEMANTICS,
MAX(CASE WHEN PARAMETER='NLS_NCHAR_CONV_EXCP' THEN VALUE END) AS NLS_NCHAR_CONV_EXCP,
MAX(CASE WHEN PARAMETER='NLS_DATE_LANGUAGE' THEN VALUE END) AS NLS_DATE_LANGUAGE,
MAX(CASE WHEN PARAMETER='NLS_SORT' THEN VALUE END) AS NLS_SORT,
MAX(CASE WHEN PARAMETER='NLS_CURRENCY' THEN VALUE END) AS NLS_CURRENCY,
MAX(CASE WHEN PARAMETER='NLS_DATE_FORMAT' THEN VALUE END) AS NLS_DATE_FORMAT,
MAX(CASE WHEN PARAMETER='NLS_ISO_CURRENCY' THEN VALUE END) AS NLS_ISO_CURRENCY,
MAX(CASE WHEN PARAMETER='NLS_NUMERIC_CHARACTERS' THEN VALUE END) AS NLS_NUMERIC_CHARACTERS,
MAX(CASE WHEN PARAMETER='NLS_DUAL_CURRENCY' THEN VALUE END) AS NLS_DUAL_CURRENCY,
MAX(CASE WHEN PARAMETER='NLS_TIMESTAMP_FORMAT' THEN VALUE END) AS NLS_TIMESTAMP_FORMAT,
MAX(CASE WHEN PARAMETER='NLS_TIMESTAMP_TZ_FORMAT' THEN VALUE END) AS NLS_TIMESTAMP_TZ_FORMAT,
'0' AS p_err_code,
'0' AS p_err_msg
into :p_nls_calendar, :p_nls_comp, :p_nls_length_semantics, :p_nls_nchar_conv_excep,
:p_nls_date_lang, :p_nls_sort, :p_nls_currency, :p_nls_date_format, :p_nls_iso_currency,
:p_nls_numeric_chars, :p_nls_dual_currency, :p_nls_timestamp, :p_nls_timestamp_tz,
:p_err_code, :p_err_msg
FROM
sys.nls_session_parameters
;
END;`
stmt := NewStmt(cmdText, conn)
stmt.AddParam("p_nls_calendar", "", 40, Output)
stmt.AddParam("p_nls_comp", "", 40, Output)
stmt.AddParam("p_nls_length_semantics", "", 40, Output)
stmt.AddParam("p_nls_nchar_conv_excep", "", 40, Output)
stmt.AddParam("p_nls_date_lang", "", 40, Output)
stmt.AddParam("p_nls_sort", "", 40, Output)
stmt.AddParam("p_nls_currency", "", 40, Output)
stmt.AddParam("p_nls_date_format", "", 40, Output)
stmt.AddParam("p_nls_iso_currency", "", 40, Output)
stmt.AddParam("p_nls_numeric_chars", "", 40, Output)
stmt.AddParam("p_nls_dual_currency", "", 40, Output)
stmt.AddParam("p_nls_timestamp", "", 48, Output)
stmt.AddParam("p_nls_timestamp_tz", "", 56, Output)
stmt.AddParam("p_err_code", "", 2000, Output)
stmt.AddParam("p_err_msg", "", 2000, Output)
defer stmt.Close()
//fmt.Println(stmt.Pars)
_, err := stmt.Exec(nil)
if err != nil {
return nil, err
}
if len(stmt.Pars) >= 10 {
conn.NLSData.Calender = conn.strConv.Decode(stmt.Pars[0].BValue)
conn.NLSData.Comp = conn.strConv.Decode(stmt.Pars[1].BValue)
conn.NLSData.LengthSemantics = conn.strConv.Decode(stmt.Pars[2].BValue)
conn.NLSData.NCharConvExcep = conn.strConv.Decode(stmt.Pars[3].BValue)
conn.NLSData.DateLang = conn.strConv.Decode(stmt.Pars[4].BValue)
conn.NLSData.Sort = conn.strConv.Decode(stmt.Pars[5].BValue)
conn.NLSData.Currency = conn.strConv.Decode(stmt.Pars[6].BValue)
conn.NLSData.DateFormat = conn.strConv.Decode(stmt.Pars[7].BValue)
conn.NLSData.IsoCurrency = conn.strConv.Decode(stmt.Pars[8].BValue)
conn.NLSData.NumericChars = conn.strConv.Decode(stmt.Pars[9].BValue)
conn.NLSData.DualCurrency = conn.strConv.Decode(stmt.Pars[10].BValue)
conn.NLSData.Timestamp = conn.strConv.Decode(stmt.Pars[11].BValue)
conn.NLSData.TimestampTZ = conn.strConv.Decode(stmt.Pars[12].BValue)
}
/*
for _, par := range stmt.Pars {
if par.Name == "p_nls_calendar" {
conn.NLSData.Calender = conn.strConv.Decode(par.BValue)
} else if par.Name == "p_nls_comp" {
conn.NLSData.Comp = conn.strConv.Decode(par.BValue)
} else if par.Name == "p_nls_length_semantics" {
conn.NLSData.LengthSemantics = conn.strConv.Decode(par.BValue)
} else if par.Name == "p_nls_nchar_conv_excep" {
conn.NLSData.NCharConvExcep = conn.strConv.Decode(par.BValue)
} else if par.Name == "p_nls_date_lang" {
conn.NLSData.DateLang = conn.strConv.Decode(par.BValue)
} else if par.Name == "p_nls_sort" {
conn.NLSData.Sort = conn.strConv.Decode(par.BValue)
} else if par.Name == "p_nls_currency" {
conn.NLSData.Currency = conn.strConv.Decode(par.BValue)
} else if par.Name == "p_nls_date_format" {
conn.NLSData.DateFormat = conn.strConv.Decode(par.BValue)
} else if par.Name == "p_nls_iso_currency" {
conn.NLSData.IsoCurrency = conn.strConv.Decode(par.BValue)
} else if par.Name == "p_nls_numeric_chars" {
conn.NLSData.NumericChars = conn.strConv.Decode(par.BValue)
} else if par.Name == "p_nls_dual_currency" {
conn.NLSData.DualCurrency = conn.strConv.Decode(par.BValue)
} else if par.Name == "p_nls_timestamp" {
conn.NLSData.Timestamp = conn.strConv.Decode(par.BValue)
} else if par.Name == "p_nls_timestamp_tz" {
conn.NLSData.TimestampTZ = conn.strConv.Decode(par.BValue)
}
}
*/
return &conn.NLSData, nil
}
func (conn *Connection) Prepare(query string) (driver.Stmt, error) {
conn.connOption.Tracer.Print("Prepare\n", query)
return NewStmt(query, conn), nil
}
func (conn *Connection) Ping(ctx context.Context) error {
conn.connOption.Tracer.Print("Ping")
conn.session.ResetBuffer()
conn.session.StartContext(ctx)
defer conn.session.EndContext()
return (&simpleObject{
connection: conn,
operationID: 0x93,
data: nil,
}).write().read()
return nil
}
//func (conn *Connection) Logoff() error {
// conn.connOption.Tracer.Print("Logoff")
// session := conn.session
// session.ResetBuffer()
// session.PutBytes(0x11, 0x87, 0, 0, 0, 0x2, 0x1, 0x11, 0x1, 0, 0, 0, 0x1, 0, 0, 0, 0, 0, 0x1, 0, 0, 0, 0, 0,
// 3, 9, 0)
// err := session.Write()
// if err != nil {
// return err
// }
// loop := true
// for loop {
// msg, err := session.GetByte()
// if err != nil {
// return err
// }
// switch msg {
// case 4:
// session.Summary, err = network.NewSummary(session)
// if err != nil {
// return err
// }
// loop = false
// case 9:
// if session.HasEOSCapability {
// if session.Summary == nil {
// session.Summary = new(network.SummaryObject)
// }
// session.Summary.EndOfCallStatus, err = session.GetInt(4, true, true)
// if err != nil {
// return err
// }
// }
// if session.HasFSAPCapability {
// if session.Summary == nil {
// session.Summary = new(network.SummaryObject)
// }
// session.Summary.EndToEndECIDSequence, err = session.GetInt(2, true, true)
// if err != nil {
// return err
// }
// }
// loop = false
// default:
// return errors.New(fmt.Sprintf("message code error: received code %d and expected code is 4, 9", msg))
// }
// }
// if session.HasError() {
// return errors.New(session.GetError())
// }
// return nil
//}
func (conn *Connection) Open() error {
return conn.OpenWithContext(context.Background())
//tracer := conn.connOption.Tracer
//tracer.Print("Open :", conn.connOption.ConnectionData())
//
//switch conn.conStr.DBAPrivilege {
//case SYSDBA:
// conn.LogonMode |= SysDba
//case SYSOPER:
// conn.LogonMode |= SysOper
//default:
// conn.LogonMode = 0
//}
//conn.session = network.NewSession(conn.connOption)
//err := conn.session.Connect()
//if err != nil {
// return err
//}
//
//tracer.Print("TCP Negotiation")
//conn.tcpNego, err = newTCPNego(conn.session)
//if err != nil {
// return err
//}
//tracer.Print("Server Charset: ", conn.tcpNego.ServerCharset)
//tracer.Print("Server National Charset: ", conn.tcpNego.ServernCharset)
//// create string converter object
//conn.strConv = converters.NewStringConverter(conn.tcpNego.ServerCharset)
//conn.session.StrConv = conn.strConv
//tracer.Print("Data Type Negotiation")
//conn.dataNego, err = buildTypeNego(conn.tcpNego, conn.session)
//if err != nil {
// return err
//}
//
//conn.session.TTCVersion = conn.dataNego.CompileTimeCaps[7]
//
//if conn.tcpNego.ServerCompileTimeCaps[7] < conn.session.TTCVersion {
// conn.session.TTCVersion = conn.tcpNego.ServerCompileTimeCaps[7]
//}
//tracer.Print("TTC Version: ", conn.session.TTCVersion)
//err = conn.doAuth()
//if err != nil {
// return err
//}
//conn.State = Opened
//conn.dBVersion, err = GetDBVersion(conn.session)
//if err != nil {
// return err
//}
//tracer.Print("Connected")
//tracer.Print("Database Version: ", conn.dBVersion.Text)
//if len(conn.SessionProperties) == 0 {
// //return errors.New(fmt.Sprint("Session properties is null"))
//} else {
// sessionID, err := strconv.ParseUint(conn.SessionProperties["AUTH_SESSION_ID"], 10, 32)
// if err != nil {
// return err
// }
// conn.sessionID = int(sessionID)
// serialNum, err := strconv.ParseUint(conn.SessionProperties["AUTH_SERIAL_NUM"], 10, 32)
// if err != nil {
// return err
// }
// conn.serialID = int(serialNum)
// conn.connOption.InstanceName = conn.SessionProperties["AUTH_SC_INSTANCE_NAME"]
// conn.connOption.Host = conn.SessionProperties["AUTH_SC_SERVER_HOST"]
// conn.connOption.ServiceName = conn.SessionProperties["AUTH_SC_SERVICE_NAME"]
// conn.connOption.DomainName = conn.SessionProperties["AUTH_SC_DB_DOMAIN"]
// conn.connOption.DBName = conn.SessionProperties["AUTH_SC_DBUNIQUE_NAME"]
//}
//
//_, err = conn.GetNLS()
//if err != nil {
// return err
//}
//
//return nil
}
func (conn *Connection) OpenWithContext(ctx context.Context) error {
tracer := conn.connOption.Tracer
switch conn.conStr.DBAPrivilege {
case SYSDBA:
conn.LogonMode |= SysDba
case SYSOPER:
conn.LogonMode |= SysOper
default:
conn.LogonMode = 0
}
conn.session = network.NewSession(conn.connOption)
//W := conn.conStr.w
//if conn.connOption.SSL && W != nil {
// err := conn.session.LoadSSLData(W.certificates, W.privateKeys, W.certificateRequests)
// if err != nil {
// return err
// }
//}
session := conn.session
err := session.Connect(ctx)
if err != nil {
return err
}
// advanced negotiation
if session.Context.ACFL0&1 != 0 && session.Context.ACFL0&4 == 0 && session.Context.ACFL1&8 == 0 {
tracer.Print("Advance Negotiation")
ano, err := advanced_nego.NewAdvNego(session)
if err != nil {
return err
}
err = ano.Write()
if err != nil {
return err
}
err = ano.Read()
if err != nil {
return err
}
err = ano.StartServices()
if err != nil {
return err
}
}
tracer.Print("TCP Negotiation")
conn.tcpNego, err = newTCPNego(conn.session)
if err != nil {
return err
}
tracer.Print("Server Charset: ", conn.tcpNego.ServerCharset)
tracer.Print("Server National Charset: ", conn.tcpNego.ServernCharset)
// create string converter object
conn.strConv = converters.NewStringConverter(conn.tcpNego.ServerCharset)
conn.session.StrConv = conn.strConv
conn.tcpNego.ServerFlags |= 2
tracer.Print("Data Type Negotiation")
conn.dataNego = buildTypeNego(conn.tcpNego, conn.session)
err = conn.dataNego.write(conn.session)
if err != nil {
return err
}
err = conn.dataNego.read(conn.session)
if err != nil {
return err
}
conn.session.TTCVersion = conn.dataNego.CompileTimeCaps[7]
conn.session.UseBigScn = conn.tcpNego.ServerCompileTimeCaps[7] >= 8
if conn.tcpNego.ServerCompileTimeCaps[7] < conn.session.TTCVersion {
conn.session.TTCVersion = conn.tcpNego.ServerCompileTimeCaps[7]
}
tracer.Print("TTC Version: ", conn.session.TTCVersion)
if len(conn.tcpNego.ServerRuntimeCaps) > 6 && conn.tcpNego.ServerRuntimeCaps[6]&4 == 4 {
tracer.Print("Max length for char/byte types: 0x7FFF")
converters.MAX_LEN_VARCHAR2 = 0x7FFF
converters.MAX_LEN_NVARCHAR2 = 0x7FFF
converters.MAX_LEN_RAW = 0x7FFF
} else {
tracer.Print("Max length for char/byte types: 0xFA0")
converters.MAX_LEN_VARCHAR2 = 0xFA0
converters.MAX_LEN_NVARCHAR2 = 0xFA0
converters.MAX_LEN_RAW = 0xFA0
}
//if (this.serverRuntimeCapabilities != null && this.serverRuntimeCapabilities.length > 6 && (this.serverRuntimeCapabilities[6] & T4C8TTIdty.KPCCAP_RTB_TTC_ZCPY) != 0 && this.thinNetUseZeroCopyIO && (this.net.getSessionAttributes().getNegotiatedOptions() & 64) != 0 && this.getDataIntegrityAlgorithmName().equals("") && this.getEncryptionAlgorithmName().equals("")) {
// this.useZeroCopyIO = true;
//} else {
// this.useZeroCopyIO = false;
//}
//
//if (this.hasServerCompileTimeCapability(23, 64) && bit(var6.jdbcThinCompileTimeCapabilities[23], 64)) {
// this.useLobPrefetch = true;
//} else {
// this.useLobPrefetch = false;
//}
//
//if (this.serverRuntimeCapabilities != null && this.serverRuntimeCapabilities.length > T4C8TTIdty.KPCCAP_RTB_TTC && bit(this.serverRuntimeCapabilities[T4C8TTIdty.KPCCAP_RTB_TTC], T4C8TTIdty.KPCCAP_RTB_TTC_SESSSTATEOPS)) {
// this.svrSupportsRequests = true;
//} else {
// this.svrSupportsRequests = false;
//}
err = conn.doAuth()
if err != nil {
return err
}
conn.State = Opened
conn.dBVersion, err = GetDBVersion(conn.session)
if err != nil {
return err
}
tracer.Print("Connected")
tracer.Print("Database Version: ", conn.dBVersion.Text)
sessionID, err := strconv.ParseUint(conn.SessionProperties["AUTH_SESSION_ID"], 10, 32)
if err != nil {
return err
}
conn.sessionID = int(sessionID)
serialNum, err := strconv.ParseUint(conn.SessionProperties["AUTH_SERIAL_NUM"], 10, 32)
if err != nil {
return err
}
conn.serialID = int(serialNum)
conn.connOption.InstanceName = conn.SessionProperties["AUTH_SC_INSTANCE_NAME"]
//conn.connOption.Host = conn.SessionProperties["AUTH_SC_SERVER_HOST"]
conn.connOption.ServiceName = conn.SessionProperties["AUTH_SC_SERVICE_NAME"]
conn.connOption.DomainName = conn.SessionProperties["AUTH_SC_DB_DOMAIN"]
conn.connOption.DBName = conn.SessionProperties["AUTH_SC_DBUNIQUE_NAME"]
if len(conn.NLSData.Language) == 0 {
//_, err = conn.GetNLS()
if err != nil {
return err
}
}
return nil
}
func (conn *Connection) Begin() (driver.Tx, error) {
conn.connOption.Tracer.Print("Begin transaction")
conn.autoCommit = false
return &Transaction{conn: conn}, nil
}
func (conn *Connection) BeginTx(ctx context.Context, opts driver.TxOptions) (driver.Tx, error) {
if opts.ReadOnly {
return nil, errors.New("readonly transaction is not supported")
}
if opts.Isolation != 0 {
return nil, errors.New("only support default value for isolation")
}
conn.connOption.Tracer.Print("Begin transaction with context")
conn.autoCommit = false
return &Transaction{conn: conn, ctx: ctx}, nil
}
func NewConnection(databaseUrl string) (*Connection, error) {
//this.m_id = this.GetHashCode().ToString();
conStr, err := newConnectionStringFromUrl(databaseUrl)
if err != nil {
return nil, err
}
//userName := ""
//User, err := user.Current()
//if err == nil {
// userName = User.Username
//}
//hostName, _ := os.Hostname()
//indexOfSlash := strings.LastIndex(os.Args[0], "/")
//indexOfSlash += 1
//if indexOfSlash < 0 {
// indexOfSlash = 0
//}
//
//connOption := &network.ConnectionOption{
// Port: conStr.Port,
// TransportConnectTo: 0xFFFF,
// SSLVersion: "",
// WalletDict: "",
// TransportDataUnitSize: 0xFFFF,
// SessionDataUnitSize: 0xFFFF,
// Protocol: "tcp",
// Host: conStr.Host,
// UserID: conStr.UserID,
// //IP: "",
// SID: conStr.SID,
// //Addr: "",
// //Server: conn.conStr.Host,
// ServiceName: conStr.ServiceName,
// InstanceName: conStr.InstanceName,
// PrefetchRows: conStr.PrefetchRows,
// ClientData: network.ClientData{
// ProgramPath: os.Args[0],
// ProgramName: os.Args[0][indexOfSlash:],
// UserName: userName,
// HostName: hostName,
// DriverName: "OracleClientGo",
// PID: os.Getpid(),
// },
// //InAddrAny: false,
//}
//
//if len(conStr.Trace) > 0 {
// tf, err := os.Create(conStr.Trace)
// if err != nil {
// //noinspection GoErrorStringFormat
// return nil, fmt.Errorf("Can't open trace file: %w", err)
// }
// connOption.Tracer = trace.NewTraceWriter(tf)
//} else {
// connOption.Tracer = trace.NilTracer()
//}
return &Connection{
State: Closed,
conStr: conStr,
connOption: &conStr.connOption,
autoCommit: true,
}, nil
}
func (conn *Connection) Close() (err error) {
conn.connOption.Tracer.Print("Close")
//var err error = nil
if conn.session != nil {
//err = conn.Logoff()
conn.session.Disconnect()
conn.session = nil
}
conn.connOption.Tracer.Print("Connection Closed")
conn.connOption.Tracer.Close()
return
}
func (conn *Connection) doAuth() error {
conn.connOption.Tracer.Print("doAuth")
conn.session.ResetBuffer()
conn.session.PutBytes(3, 118, 0, 1)
conn.session.PutUint(len(conn.connOption.UserID), 4, true, true)
conn.LogonMode = conn.LogonMode | NoNewPass
conn.session.PutUint(int(conn.LogonMode), 4, true, true)
conn.session.PutBytes(1, 1, 5, 1, 1)
conn.session.PutClr([]byte(conn.connOption.UserID))
//conn.session.PutBytes([]byte(conn.connOption.UserID)...)
conn.session.PutKeyValString("AUTH_TERMINAL", conn.connOption.ClientInfo.HostName, 0)
conn.session.PutKeyValString("AUTH_PROGRAM_NM", conn.connOption.ClientInfo.ProgramName, 0)
conn.session.PutKeyValString("AUTH_MACHINE", conn.connOption.ClientInfo.HostName, 0)
conn.session.PutKeyValString("AUTH_PID", fmt.Sprintf("%d", conn.connOption.ClientInfo.PID), 0)
conn.session.PutKeyValString("AUTH_SID", conn.connOption.ClientInfo.UserName, 0)
err := conn.session.Write()
if err != nil {
return err
}
conn.authObject, err = NewAuthObject(conn.connOption.UserID, conn.conStr.password, conn.tcpNego, conn.session)
if err != nil {
return err
}
// if proxyAuth ==> mode |= PROXY
err = conn.authObject.Write(conn.connOption, conn.LogonMode, conn.session)
if err != nil {
return err
}
stop := false
for !stop {
msg, err := conn.session.GetInt(1, false, false)
if err != nil {
return err
}
switch msg {
case 4:
conn.session.Summary, err = network.NewSummary(conn.session)
if err != nil {
return err
}
if conn.session.HasError() {
return conn.session.GetError()
}
stop = true
case 8:
dictLen, err := conn.session.GetInt(4, true, true)
if err != nil {
return err
}
conn.SessionProperties = make(map[string]string, dictLen)
for x := 0; x < dictLen; x++ {
key, val, _, err := conn.session.GetKeyVal()
if err != nil {
return err
}
conn.SessionProperties[string(key)] = string(val)
}
case 15:
warning, err := network.NewWarningObject(conn.session)
if err != nil {
return err
}
if warning != nil {
fmt.Println(warning)
}
stop = true
default:
return errors.New(fmt.Sprintf("message code error: received code %d and expected code is 8", msg))
}
}
// if verifyResponse == true
// conn.authObject.VerifyResponse(conn.SessionProperties["AUTH_SVR_RESPONSE"])
return nil
}
func SetNTSAuth(newNTSManager advanced_nego.NTSAuthInterface) {
advanced_nego.NTSAuth = newNTSManager
}