136 lines
2.4 KiB
C++
136 lines
2.4 KiB
C++
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/*++
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Copyright (c) 1992 Microsoft Corporation
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Module Name:
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valid.c
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Abstract:
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Contains validation routines for service controller parameters.
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Author:
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Dan Lafferty (danl) 29-Mar-1992
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Environment:
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User Mode - Win32
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Revision History:
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29-Mar-1992 danl
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Created
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10-Apr-1992 JohnRo
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Include <valid.h> so compiler checks prototypes.
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--*/
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//
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// INCLUDES
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//
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#include <nt.h>
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#include <ntrtl.h> // DbgPrint prototype
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#include <nturtl.h> // needed for winbase.h when ntrtl is present
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#include <windows.h> // CRITICAL_SECTION
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#include <scdebug.h> // SC_LOG
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#include <winsvc.h> // SERVICE_STATUS
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#include <valid.h> // My prototypes.
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BOOL
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ScCurrentStateInvalid(
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DWORD dwCurrentState
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)
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/*++
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Routine Description:
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This function returns TRUE if the CurrentState is invalid.
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Otherwise FALSE is returned.
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Arguments:
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dwCurrentState - This is the ServiceState that is being validiated.
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Return Value:
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TRUE - The CurrentState is invalid.
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FALSE - The CurrentState is valid.
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Note:
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--*/
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{
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if ((dwCurrentState == SERVICE_STOPPED) ||
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(dwCurrentState == SERVICE_START_PENDING) ||
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(dwCurrentState == SERVICE_STOP_PENDING) ||
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(dwCurrentState == SERVICE_RUNNING) ||
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(dwCurrentState == SERVICE_CONTINUE_PENDING) ||
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(dwCurrentState == SERVICE_PAUSE_PENDING) ||
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(dwCurrentState == SERVICE_PAUSED )) {
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return(FALSE);
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}
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return(TRUE);
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}
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DWORD
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ScValidateMultiSZ(
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LPCWSTR lpStrings,
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DWORD cbStrings
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)
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/*++
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Routine Description:
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This function takes a MULTI_SZ value read in from the registry or
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passed in via RPC and validates it.
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Arguments:
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Return Value:
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--*/
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{
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DWORD dwLastChar;
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//
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// Make sure the MULTI_SZ is well-formed. As long as it is properly
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// double NULL terminated, things should be ok.
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//
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if ((cbStrings % 2) ||
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(cbStrings < sizeof(WCHAR)*2)) {
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//
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// There's an odd number of bytes, this can't be well-formed
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//
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return ERROR_INVALID_PARAMETER;
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}
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dwLastChar = (cbStrings / sizeof(WCHAR)) - 1;
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if ((lpStrings[dwLastChar] != L'\0') ||
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(lpStrings[dwLastChar - 1] != L'\0')) {
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//
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// The buffer is not double-NUL terminated
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//
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return ERROR_INVALID_PARAMETER;
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}
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return NO_ERROR;
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}
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