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Commit8401a77

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arelleguemdaigle
authored andcommitted
Fix | Fixed GenerateSspiClientContext to retry negotiation with default port (#2559)
1 parent6c48d05 commit8401a77

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-3
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1 file changed

+15
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‎src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SSPI/NegotiateSSPIContextProvider.cs

Lines changed: 15 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -14,13 +14,25 @@ internal sealed class NegotiateSSPIContextProvider : SSPIContextProvider
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1515
internaloverridevoidGenerateSspiClientContext(ReadOnlyMemory<byte>received,refbyte[]sendBuff,refuintsendLength,byte[][]_sniSpnBuffer)
1616
{
17-
_negotiateAuth??=new(newNegotiateAuthenticationClientOptions{Package="Negotiate",TargetName=Encoding.Unicode.GetString(_sniSpnBuffer[0])});
18-
sendBuff=_negotiateAuth.GetOutgoingBlob(received.Span,outNegotiateAuthenticationStatusCodestatusCode)!;
19-
SqlClientEventSource.Log.TryTraceEvent("TdsParserStateObjectManaged.GenerateSspiClientContext | Info | Session Id {0}, StatusCode={1}",_physicalStateObj.SessionId,statusCode);
17+
NegotiateAuthenticationStatusCodestatusCode=NegotiateAuthenticationStatusCode.UnknownCredentials;
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for(inti=0;i<_sniSpnBuffer.Length;i++)
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{
21+
_negotiateAuth??=new(newNegotiateAuthenticationClientOptions{Package="Negotiate",TargetName=Encoding.Unicode.GetString(_sniSpnBuffer[i])});
22+
sendBuff=_negotiateAuth.GetOutgoingBlob(received.Span,outstatusCode)!;
23+
// Log session id, status code and the actual SPN used in the negotiation
24+
SqlClientEventSource.Log.TryTraceEvent("TdsParserStateObjectManaged.GenerateSspiClientContext | Info | Session Id {0}, StatusCode={1}, SPN={2}",_physicalStateObj.SessionId,statusCode,_negotiateAuth.TargetName);
25+
if(statusCode==NegotiateAuthenticationStatusCode.Completed||statusCode==NegotiateAuthenticationStatusCode.ContinueNeeded)
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break;// Successful case, exit the loop with current SPN.
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else
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_negotiateAuth=null;// Reset _negotiateAuth to be generated again for next SPN.
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}
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if(statusCodeis notNegotiateAuthenticationStatusCode.Completed and notNegotiateAuthenticationStatusCode.ContinueNeeded)
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{
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thrownewInvalidOperationException(SQLMessage.SSPIGenerateError()+Environment.NewLine+statusCode);
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}
35+
2436
sendLength=(uint)(sendBuff!=null?sendBuff.Length:0);
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}
2638
}

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