220 lines
7.4 KiB
C
220 lines
7.4 KiB
C
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/****************************************************************************
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Copyright information : Copyright (c) 1998-1999 Microsoft Corporation
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File Name : ExecEngine.h
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Project Name : WMI Command Line
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Author Name : Ch. Sriramachandramurthy
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Date of Creation (dd/mm/yy) : 27th-September-2000
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Version Number : 1.0
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Brief Description : This file consist of member variable and
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functions declarations of the Execution engine
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module.
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Revision History :
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Last Modified By : Ch. Sriramachandramurthy
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Last Modified Date : 20th-March-2001
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****************************************************************************/
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/*-------------------------------------------------------------------
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Class Name : CExecEngine
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Class Type : Concrete
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Brief Description : This class encapsulates the functionality needed
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for executing the WMI statements that are obtained
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as a result of parsing engine. It also performs
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verb specific processing using the information
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available with CParsedInfo class.
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Super Classes : None
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Sub Classes : None
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Classes Used : CParsedInfo
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Interfaces Used : WMI COM Interfaces
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--------------------------------------------------------------------*/
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class CParsedInfo;
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class CExecEngine
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{
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public:
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// Construction
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CExecEngine();
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// Destruction
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~CExecEngine();
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// Restrict Assignment
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CExecEngine& operator=(CExecEngine& rExecEngine);
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// Attributes
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private:
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// trace flag
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BOOL m_bTrace;
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ERRLOGOPT m_eloErrLogOpt;
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// Pointer to object of type IWbemObjectTextSrc encapsulates the
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// functionality of WMI XML Encoder
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IWbemObjectTextSrc *m_pITextSrc;
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// Pointer to object of type IWbemLocator, used to obtain IWbemServices
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// object.
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IWbemLocator *m_pIWbemLocator;
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// Pointer to object of type IWbemServices, Used to perform WMI operations
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// on target namespace.
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IWbemServices *m_pITargetNS;
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// Context pointer
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IWbemContext *m_pIContext;
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BOOL m_bSysProp;
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BOOL m_bNoAssoc;
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// Operations
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private:
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// Creates the instance of IWbemObjectTextSrc interface.
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HRESULT CreateWMIXMLTextSrc(CParsedInfo& rParsedInfo);
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// Creates the instance of IWbemContext interface
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HRESULT CreateContext(CParsedInfo& rPrasedInfo);
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// Connect to the WMI namespace on the target machine.
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HRESULT ConnectToTargetNS(CParsedInfo& rParsedInfo);
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// Executes query to give results in XML file format.
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// Refers data in the CCommnadSwicthes object of CParsedInfo object.
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HRESULT ObtainXMLResultSet(BSTR bstrQuery,
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CParsedInfo& rParsedInfo,
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_bstr_t& bstrXML,
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BOOL bSysProp = TRUE,
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BOOL bNotAssoc = TRUE);
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HRESULT FrameAssocHeader(_bstr_t bstrPath, _bstr_t& bstrFrag,
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BOOL bClass);
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// This function changes the property value for the
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// given property name and value
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BOOL SetPropertyInfo(CParsedInfo& rParsedInfo,
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_bstr_t& bstrQuery,
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_bstr_t& bstrObject);
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// Executes a WMI method specified in the CCommandSwicthes
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// object of the CParsedInfo object passed to it.
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BOOL ExecWMIMethod(CParsedInfo&);
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// Processes and executes GET|LIST verb referring CParsedInfo object
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// or to display help in interactive mode by displaying properties of
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// concernrd instance.
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BOOL ProcessSHOWInfo(CParsedInfo& rParsedInfo, BOOL bVerb=TRUE,
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_TCHAR* pszPath=NULL);
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// Processes and executes CALL verb referring CParsedInfo object.
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BOOL ProcessCALLVerb(CParsedInfo& rParsedInfo);
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// Processes and executes SET verb referring CParsedInfo object.
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BOOL ProcessSETVerb(CParsedInfo& rParsedInfo);
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// Processes and executes CREATE verb referring CParsedInfo object.
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BOOL ProcessCREATEVerb(CParsedInfo& rParsedInfo);
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// Processes and executes DELETE verb referring CParsedInfo object.
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BOOL ProcessDELETEVerb(CParsedInfo& rParsedInfo);
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// Processes and executes ASSOC verb referring CParsedInfo object.
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BOOL ProcessASSOCVerb(CParsedInfo& rParsedInfo);
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// This function constructs the path expression from alias info and
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// where info. Used for CALL verb only
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BOOL FormPathExprFromWhereExpr(_bstr_t& bstrPath,
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CParsedInfo& rParsedInfo);
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// This function changes the property values for the given property names
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// and values in a passed IWbemClassObject
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BOOL SetProperties(CParsedInfo& rParsedInfo,
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IWbemClassObject* pIWbemObj,
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BOOL bClass);
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// Deletes the objects
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BOOL DeleteObjects(CParsedInfo& rParsedInfo,
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_bstr_t& bstrQuery,
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_bstr_t& bstrObject);
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// Obtain user response
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INTEROPTION GetUserResponse(_TCHAR* pszMsg);
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// Create a new instance
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BOOL CreateInstance(CParsedInfo& rParsedInfo,
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BSTR bstrClass);
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// Validate the new input values supplied for the properties
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// against the qualifiers details.
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BOOL ValidateInParams(CParsedInfo& rParsedInfo,
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_bstr_t bstrClass);
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BOOL ValidateAlaisInParams(CParsedInfo& rParsedInfo);
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BOOL CheckAliasQualifierInfo(CParsedInfo& rParsedInfo,
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_bstr_t bstrParam,
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WCHAR*& pszValue,
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PROPDETMAP pdmPropDetMap);
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// Checks the parameter/property value against the following
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// qualifiers:
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// 1. MaxLen, 2. Values 3. ValuesMap
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BOOL CheckQualifierInfo(CParsedInfo& rParsedInfo,
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IWbemClassObject* pIObject,
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_bstr_t bstrParam,
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WCHAR*& pszValue);
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// Method Execution
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HRESULT ExecuteMethodAndDisplayResults(_bstr_t bstrPath,
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CParsedInfo& rParsedinfo,
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IWbemClassObject* pIInParam);
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// Display the output parameters of method execution.
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void DisplayMethExecOutput(CParsedInfo& rParsedInfo);
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// Invoke other command line Utilities
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BOOL ExecOtherCmdLineUtlty(CParsedInfo& rParsedInfo);
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// Checks and returns TRUE if verb invocation mode is interactive
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BOOL IsInteractive(CParsedInfo& rParsedInfo);
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// Substitute hashes and execute command line utility.
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// If pIWbemObj != NULL then utility should be passed with appropriate
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// instance values.
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void SubstHashAndExecCmdUtility(CParsedInfo& rParsedInfo,
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IWbemClassObject *pIWbemObj = NULL);
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// Forms query and executes method or command line utility.
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HRESULT FormQueryAndExecuteMethodOrUtility(
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CParsedInfo& rParsedInfo,
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IWbemClassObject *pIInParam = NULL);
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// This function takes the input as a path expression and
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// extracts the Class and Where expression part from the
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// path expression.
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BOOL ExtractClassNameandWhereExpr(_TCHAR* pszPathExpr,
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CParsedInfo& rParsedInfo,
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_TCHAR* pszWhere);
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// This function accepts the user response before going
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// ahead, when /INTERACTIVE is specified at the verb level
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INTEROPTION GetUserResponseEx(_TCHAR* pszMsg);
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// Obtain param values from parameter map in the same order as they
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// appear in the alias verb definition.
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void ObtainInParamsFromParameterMap(CParsedInfo& rParsedinfo,
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CHARVECTOR& cvParamValues);
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public:
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// This function uninitializes the member variables.
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void Uninitialize(BOOL bFlag = FALSE);
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// Executes the command referring to CCommandSwitches and CGlobalSwitches
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// of the CParsedInfo object of CParsedInfo object Passed to it as
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// parameters. Puts the results back in to objects passed to it for the
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// use of Format Engine.
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BOOL ExecuteCommand(CParsedInfo& rParsedInfo);
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// Sets the locator object passed via parameter to member
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// of the class.
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BOOL SetLocatorObject(IWbemLocator* pILocator);
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};
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