91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
/**************************** Module Header ********************************\
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* Module Name: exports.c
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* Copyright (c) 1985 - 1999, Microsoft Corporation
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* Routines exported from winsrv.dll
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* History:
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* 03-04-95 JimA Created.
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*/
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#include "precomp.h"
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#pragma hdrstop
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BOOL _UserSoundSentry(UINT uVideoMode)
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/*
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* Private API for BASE to use for SoundSentry support.
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* History:
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* 08-02-93 GregoryW Created.
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*/
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{
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UNREFERENCED_PARAMETER(uVideoMode);
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return NT_SUCCESS(NtUserSoundSentry());
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}
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NTSTATUS _UserTestTokenForInteractive(HANDLE Token, PLUID pluidCaller)
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/*
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* Returns TRUE if the token passed represents an interactive user logged on by winlogon, otherwise FALSE
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* The token handle passed must have TOKEN_QUERY access.
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* History:
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* 05-06-92 Davidc Created
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*/
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{
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PTOKEN_STATISTICS pStats;
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ULONG BytesRequired;
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NTSTATUS Status;
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/*
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* Get the session id of the caller.
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*/
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Status = NtQueryInformationToken(
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Token, // Handle
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TokenStatistics, // TokenInformationClass
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NULL, // TokenInformation
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0, // TokenInformationLength
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&BytesRequired // ReturnLength
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);
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if (Status != STATUS_BUFFER_TOO_SMALL) {
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return Status;
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}
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// Allocate space for the user info
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pStats = (PTOKEN_STATISTICS)LocalAlloc(LPTR, BytesRequired);
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if (pStats == NULL) {
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return Status;
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}
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// Read in the user info
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Status = NtQueryInformationToken(
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Token, // Handle
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TokenStatistics, // TokenInformationClass
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pStats, // TokenInformation
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BytesRequired, // TokenInformationLength
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&BytesRequired // ReturnLength
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);
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if (NT_SUCCESS(Status)) {
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if (pluidCaller != NULL)
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*pluidCaller = pStats->AuthenticationId;
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/*
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* A valid session id has been returned. Compare it
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* with the id of the logged on user.
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*/
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Status = NtUserTestForInteractiveUser(&pStats->AuthenticationId);
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#ifdef LATER
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if (pStats->AuthenticationId.QuadPart == pwinsta->luidUser.QuadPart)
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Status = STATUS_SUCCESS;
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else
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Status = STATUS_ACCESS_DENIED;
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#endif
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}
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LocalFree(pStats);
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return Status;
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} |