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Revise OID request return statuses

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MINIPORT_OID_REQUEST handler should return:
- NDIS_STATUS_NOT_SUPPORTED => NDIS_STATUS_INVALID_OID if the OID
  request was not recognized.
- NDIS_STATUS_INVALID_OID => NDIS_STATUS_NOT_SUPPORTED if particular OID
  is not supported.
- NDIS_STATUS_INVALID_LENGTH => NDIS_STATUS_BUFFER_TOO_SHORT if output
  buffer is too short.

Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2019-04-12 15:27:45 +02:00
parent 207e1c4896
commit 207144965a
1 changed files with 8 additions and 8 deletions
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16
wintun.c
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@ -1162,7 +1162,7 @@ static NDIS_STATUS TunOidSet(_Inout_ TUN_CTX *ctx, _Inout_ NDIS_OID_REQUEST *Oid
return NDIS_STATUS_SUCCESS;
}
return NDIS_STATUS_INVALID_OID;
return NDIS_STATUS_NOT_SUPPORTED;
}
_IRQL_requires_max_(APC_LEVEL)
@ -1172,7 +1172,7 @@ static NDIS_STATUS TunOidQueryWrite(_Inout_ NDIS_OID_REQUEST *OidRequest, _In_ U
if (OidRequest->DATA.QUERY_INFORMATION.InformationBufferLength < sizeof(ULONG)) {
OidRequest->DATA.QUERY_INFORMATION.BytesNeeded = sizeof(ULONG);
OidRequest->DATA.QUERY_INFORMATION.BytesWritten = 0;
return NDIS_STATUS_INVALID_LENGTH;
return NDIS_STATUS_BUFFER_TOO_SHORT;
}
OidRequest->DATA.QUERY_INFORMATION.BytesNeeded =
@ -1188,7 +1188,7 @@ static NDIS_STATUS TunOidQueryWrite32or64(_Inout_ NDIS_OID_REQUEST *OidRequest,
if (OidRequest->DATA.QUERY_INFORMATION.InformationBufferLength < sizeof(ULONG)) {
OidRequest->DATA.QUERY_INFORMATION.BytesNeeded = sizeof(ULONG64);
OidRequest->DATA.QUERY_INFORMATION.BytesWritten = 0;
return NDIS_STATUS_INVALID_LENGTH;
return NDIS_STATUS_BUFFER_TOO_SHORT;
}
if (OidRequest->DATA.QUERY_INFORMATION.InformationBufferLength < sizeof(ULONG64)) {
@ -1211,7 +1211,7 @@ static NDIS_STATUS TunOidQueryWriteBuf(_Inout_ NDIS_OID_REQUEST *OidRequest, _In
if (OidRequest->DATA.QUERY_INFORMATION.InformationBufferLength < size) {
OidRequest->DATA.QUERY_INFORMATION.BytesNeeded = size;
OidRequest->DATA.QUERY_INFORMATION.BytesWritten = 0;
return NDIS_STATUS_INVALID_LENGTH;
return NDIS_STATUS_BUFFER_TOO_SHORT;
}
OidRequest->DATA.QUERY_INFORMATION.BytesNeeded =
@ -1281,7 +1281,7 @@ static NDIS_STATUS TunOidQuery(_Inout_ TUN_CTX *ctx, _Inout_ NDIS_OID_REQUEST *O
}
OidRequest->DATA.QUERY_INFORMATION.BytesWritten = 0;
return NDIS_STATUS_INVALID_OID;
return NDIS_STATUS_NOT_SUPPORTED;
}
static MINIPORT_OID_REQUEST TunOidRequest;
@ -1297,7 +1297,7 @@ static NDIS_STATUS TunOidRequest(NDIS_HANDLE MiniportAdapterContext, PNDIS_OID_R
return TunOidSet(MiniportAdapterContext, OidRequest);
default:
return NDIS_STATUS_NOT_SUPPORTED;
return NDIS_STATUS_INVALID_OID;
}
}
@ -1309,10 +1309,10 @@ static NDIS_STATUS TunDirectOidRequest(NDIS_HANDLE MiniportAdapterContext, PNDIS
case NdisRequestQueryInformation:
case NdisRequestQueryStatistics:
case NdisRequestSetInformation:
return NDIS_STATUS_INVALID_OID;
return NDIS_STATUS_NOT_SUPPORTED;
default:
return NDIS_STATUS_NOT_SUPPORTED;
return NDIS_STATUS_INVALID_OID;
}
}