559 lines
20 KiB
C++
559 lines
20 KiB
C++
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/******************************************************************************
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Copyright (c) Microsoft Corporation
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Module Name:
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Disconnect.cpp
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Abstract:
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Disconnects one or more open files
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Author:
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Akhil Gokhale (akhil.gokhale@wipro.com) 1-Nov-2000
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Revision History:
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Akhil Gokhale (akhil.gokhale@wipro.com) 1-Nov-2000 : Created It.
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******************************************************************************/
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//include headers
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#include "pch.h"
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#include "Disconnect.h"
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/*-----------------------------------------------------------------------------
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Routine Description:
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Disconnects one or more openfiles
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Arguments:
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[in] pszServer - remote server name
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[in] pszID - Open file ids
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[in] pszAccessedby - Name of user name who access the file
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[in] pszOpenmode - accessed mode
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[in] pszOpenFile - Open file name
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Returned Value:
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- TRUE for success exit
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- FALSE for failure exit
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-----------------------------------------------------------------------------*/
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BOOL
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DisconnectOpenFile( PTCHAR pszServer,
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PTCHAR pszID,
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PTCHAR pszAccessedby,
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PTCHAR pszOpenmode,
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PTCHAR pszOpenFile )
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{
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// local variables to this function
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BOOL bResult = FALSE;// Stores fuctions return value status.
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DWORD dwEntriesRead = 0;// Receives the count of elements actually
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// enumerated by "NetFileEnum" function
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DWORD dwTotalEntries = 0;//Receives the total number of entries that could
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//have been enumerated from the current
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//resume position by "NetFileEnum" function
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DWORD dwResumeHandle = 0;//Contains a resume handle which is used to
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//continue an existing file search.
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//The handle should be zero on the first call and
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//left unchanged for subsequent calls.
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//If resume_handle is NULL,
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//then no resume handle is stored. This variable
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// used in calling "NetFileEnum" function.
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LPFILE_INFO_3 pFileInfo3_1 = NULL; //LPFILE_INFO_3 structure contains the
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//identification number and other
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//pertinent information about files,
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//devices, and pipes.
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DWORD dwError = 0;//Contains return value for "NetFileEnum" function
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NET_API_STATUS nStatus = 0;// Stores return value for NetFileClose functin
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TCHAR szResult[(MAX_RES_STRING*2) + 1] = NULL_STRING;
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AFP_FILE_INFO* pFileInfo = NULL;
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DWORD hEnumHandle = 0;
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HRESULT hr = S_OK;
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NET_API_STATUS retval = NERR_Success;
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AFP_SERVER_HANDLE ulSFMServerConnection = 0;
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TCHAR szDllPath[MAX_PATH+1] = NULL_STRING;// buffer for Windows directory
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HMODULE hModule = 0; // To store retval for LoadLibrary
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DWORD dwConnectionId = 0;
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typedef DWORD (*AFPCONNECTIONCLOSEPROC) (AFP_SERVER_HANDLE,DWORD); // Function pointer
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typedef DWORD (*CONNECTPROC) (LPWSTR,PAFP_SERVER_HANDLE);// Function pointer
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typedef DWORD (*FILEENUMPROC)(AFP_SERVER_HANDLE,LPBYTE*,DWORD,LPDWORD,LPDWORD,LPDWORD);
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AFPCONNECTIONCLOSEPROC AfpAdminFileClose = NULL;
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CONNECTPROC AfpAdminConnect = NULL;
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FILEENUMPROC AfpAdminFileEnum = NULL;// Function Pointer
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//varibles to store whether the given credentials are matching with the
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//got credentials.
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BOOL bId = FALSE;
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BOOL bAccessedBy = FALSE;
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BOOL bOpenmode = FALSE;
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BOOL bOpenfile = FALSE;
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BOOL bIfatleast = FALSE;
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do
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{
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// Get the block of files
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dwError = NetFileEnum( pszServer,
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NULL,
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NULL,
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3,
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(LPBYTE *)&pFileInfo3_1,
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MAX_PREFERRED_LENGTH,
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&dwEntriesRead,
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&dwTotalEntries,
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(PDWORD_PTR)&dwResumeHandle );
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if(dwError == ERROR_ACCESS_DENIED)
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{
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SetLastError(ERROR_ACCESS_DENIED);
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DISPLAY_MESSAGE(stderr,GetResString(IDS_ID_SHOW_ERROR));
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ShowLastError(stderr);
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return FALSE;
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}
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if( dwError == NERR_Success || dwError == ERROR_MORE_DATA )
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{
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for ( DWORD dwFile = 0;
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dwFile < dwEntriesRead;
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dwFile++, pFileInfo3_1++ )
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{
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//Check whether the got open file is file or names pipe.
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// If named pipe leave it. As this utility do not
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// disconnect Named pipe
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if ( IsNamedPipePath(pFileInfo3_1->fi3_pathname ) )
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{
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continue;
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}
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else//Not a named pipe. is a file
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{
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bId = IsSpecifiedID(pszID,pFileInfo3_1->fi3_id);
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bAccessedBy = IsSpecifiedAccessedBy(pszAccessedby,
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pFileInfo3_1->fi3_username);
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bOpenmode = IsSpecifiedOpenmode(pszOpenmode,
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pFileInfo3_1->fi3_permissions);
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bOpenfile = IsSpecifiedOpenfile(pszOpenFile,
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pFileInfo3_1->fi3_pathname);
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// Proceed for dicconecting the open file only if
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// all previous fuction returns true. This insures that
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// user preference is taken care.
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if( bId &&
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bAccessedBy &&
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bOpenmode &&
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bOpenfile)
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{
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bIfatleast = TRUE;
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memset( szResult, 0, (((MAX_RES_STRING*2) + 1) *
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sizeof( TCHAR )) );
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//The NetFileClose function forces a resource to close.
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nStatus = NetFileClose(pszServer,
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pFileInfo3_1->fi3_id);
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if(nStatus == NERR_Success)
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{
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// Create the output message string as File
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// is successfully deleted.
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// Output string will be :
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// SUCCESS: Connection to openfile "filename"
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// has been terminated.
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bResult = TRUE;
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FORMAT_STRING(szResult,DISCONNECTED_SUCCESSFULLY,pFileInfo3_1->fi3_pathname);
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DISPLAY_MESSAGE(stdout, szResult);
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}
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else
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{
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// As unable to disconnect the openfile make
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// output message as
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// ERROR: could not dissconnect "filename".
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bResult = FALSE;
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FORMAT_STRING(szResult,DISCONNECT_UNSUCCESSFUL,pFileInfo3_1->fi3_pathname);
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DISPLAY_MESSAGE(stderr, szResult);
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}
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// Display output result as previously constructed.
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}//If bId...
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}//else part of is named pipe
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}
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}
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} while ( dwError == ERROR_MORE_DATA );
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// Free the block
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if( pFileInfo3_1 !=NULL)
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{
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NetApiBufferFree( pFileInfo3_1 );
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pFileInfo3_1 = NULL;
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}
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// Now disconnect files for MAC OS
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do
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{
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// DLL required is stored always in \windows\system32 directory....
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// so get windows directory first.
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if(GetSystemDirectory(szDllPath, MAX_PATH)!= 0)
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{
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lstrcat(szDllPath,MAC_DLL_FILE_NAME);
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hModule = ::LoadLibrary (szDllPath);
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if(hModule==NULL)
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{
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DISPLAY_MESSAGE(stderr,GetResString(IDS_ID_SHOW_ERROR));
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ShowLastError(stderr); // Shows the error string set by API function.
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return FALSE;
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}
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}
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else
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{
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DISPLAY_MESSAGE(stderr,GetResString(IDS_ID_SHOW_ERROR));
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ShowLastError(stderr); // Shows the error string set by API function.
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return FALSE;
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}
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AfpAdminConnect = (CONNECTPROC)::GetProcAddress (hModule,"AfpAdminConnect");
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AfpAdminFileClose = (AFPCONNECTIONCLOSEPROC)::GetProcAddress (hModule,"AfpAdminFileClose");
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AfpAdminFileEnum = (FILEENUMPROC)::GetProcAddress (hModule,"AfpAdminFileEnum");
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// Check if all function pointer successfully taken from DLL
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// if not show error message and exit
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if((AfpAdminFileClose== NULL)||
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(AfpAdminConnect == NULL)||
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(AfpAdminFileEnum == NULL))
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{
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DISPLAY_MESSAGE(stderr,GetResString(IDS_ID_SHOW_ERROR));
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ShowLastError(stderr); // Shows the error string set by API function.
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FREE_LIBRARY(hModule);
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return FALSE;
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}
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// Connection ID is requered for AfpAdminFileEnum function so
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// connect to server to get connect id...
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DWORD retval_connect = AfpAdminConnect(const_cast<LPWSTR>(pszServer),
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&ulSFMServerConnection );
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if(retval_connect!=0)
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{
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DISPLAY_MESSAGE(stderr,GetResString(IDS_ID_SHOW_ERROR));
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ShowLastError(stderr); // Shows the error string set by API function.
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FREE_LIBRARY(hModule);
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return FALSE;
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}
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dwError = AfpAdminFileEnum( ulSFMServerConnection,
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(PBYTE*)&pFileInfo,
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(DWORD)-1L,
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&dwEntriesRead,
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&dwTotalEntries,
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&hEnumHandle );
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if(dwError == ERROR_ACCESS_DENIED)
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{
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SetLastError(ERROR_ACCESS_DENIED);
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DISPLAY_MESSAGE(stderr,GetResString(IDS_ID_SHOW_ERROR));
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ShowLastError(stderr);
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FREE_LIBRARY(hModule);
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return FALSE;
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}
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if( dwError == NERR_Success || dwError == ERROR_MORE_DATA )
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{
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for ( DWORD dwFile = 0;
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dwFile < dwEntriesRead;
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dwFile++, pFileInfo++ )
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{
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//Check whether the got open file is file or names pipe.
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// If named pipe leave it. As this utility do not
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// disconnect Named pipe
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if ( IsNamedPipePath(pFileInfo->afpfile_path ) )
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{
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continue;
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}
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else//Not a named pipe. is a file
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{
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bId = IsSpecifiedID(pszID,pFileInfo->afpfile_id );
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bAccessedBy = IsSpecifiedAccessedBy(pszAccessedby,
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pFileInfo->afpfile_username );
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bOpenmode = IsSpecifiedOpenmode(pszOpenmode,
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pFileInfo->afpfile_open_mode);
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bOpenfile = IsSpecifiedOpenfile(pszOpenFile,
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pFileInfo->afpfile_path);
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// Proceed for dicconecting the open file only if
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// all previous fuction returns true. This insures that
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// user preference is taken care.
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if( bId &&
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bAccessedBy &&
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bOpenmode &&
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bOpenfile)
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{
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bIfatleast = TRUE;
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memset( szResult, 0, (((MAX_RES_STRING*2) + 1) *
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sizeof( TCHAR )) );
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nStatus = AfpAdminFileClose(ulSFMServerConnection,
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pFileInfo->afpfile_id);
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if(nStatus == NERR_Success)
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{
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// Create the output message string as File
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// is successfully deleted.
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// Output string will be :
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// SUCCESS: Connection to openfile "filename"
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// has been terminated.
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bResult = TRUE;
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//lstrcpy(szTemp,DISCONNECTED_SUCCESSFULLY);
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//lstrcat(szResult,pFileInfo3_1->fi3_pathname);
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//lstrcat(szResult,HAS_BEEN_TERMINATED);
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FORMAT_STRING(szResult,DISCONNECTED_SUCCESSFULLY,pFileInfo->afpfile_path);
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DISPLAY_MESSAGE(stdout, szResult);
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bResult = TRUE;
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}
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else
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{
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// As unable to disconnect the openfile make
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// output message as
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// ERROR: could not dissconnect "filename".
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bResult = FALSE;
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FORMAT_STRING(szResult,DISCONNECT_UNSUCCESSFUL,pFileInfo3_1->fi3_pathname);
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DISPLAY_MESSAGE(stderr, szResult);
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}
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}//If bId...
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}//else part of is named pipe
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}
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}
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} while ( dwError == ERROR_MORE_DATA );
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if(bIfatleast == FALSE)// As not a single open file disconnected
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// show Info. message as
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// INFO: No. open files found.
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{
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ShowMessage(stdout,GetResString(IDS_NO_D_OPENFILES));
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}
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// Free the block
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if( pFileInfo !=NULL)
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{
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NetApiBufferFree( pFileInfo);
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pFileInfo = NULL;
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}
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FREE_LIBRARY(hModule);
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return TRUE;
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}
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/*-----------------------------------------------------------------------------
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Routine Description:
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Tests whether the given file path is namedpipe path or a file path
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Arguments:
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[in] pszwFilePath -- Null terminated string specifying the path name
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Returned Value:
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TRUE - if it is a named pipe path
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FALSE - if it is a file path
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-----------------------------------------------------------------------------*/
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BOOL
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IsNamedPipePath(LPWSTR pszwFilePath)
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{
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LPWSTR pwszSubString = NULL;
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pwszSubString = wcsstr(pszwFilePath, PIPE_STRING);//Search PIPE_STRING
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// If PIPE_STRING found then return TRUE else FALSE.
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if( pwszSubString == NULL)
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{
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return FALSE;
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}
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return TRUE;
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}//IsNamedPipePath
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/*-----------------------------------------------------------------------------
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Routine Description:
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Tests whether the user specified open file id is equivalent to the api
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returned id.
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|
|
Arguments:
|
||
|
|
|
||
|
|
[in] pszId -Null terminated string specifying the user
|
||
|
|
specified fil ID
|
||
|
|
[in] dwId -current file ID.
|
||
|
|
|
||
|
|
Returned Value:
|
||
|
|
|
||
|
|
TRUE - if pszId is * or equal to dwId
|
||
|
|
FALSE - otherwise
|
||
|
|
-----------------------------------------------------------------------------*/
|
||
|
|
BOOL
|
||
|
|
IsSpecifiedID(LPTSTR pszId, DWORD dwId)
|
||
|
|
{
|
||
|
|
// Check if WILD card is given OR no id is given OR given id and
|
||
|
|
// id returned by api is similar. In any of the case return TRUE.
|
||
|
|
|
||
|
|
if((lstrcmp(pszId, WILD_CARD) == 0) ||
|
||
|
|
(lstrlen(pszId) == 0)||
|
||
|
|
((DWORD)(_ttol(pszId)) == dwId))
|
||
|
|
{
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
return FALSE;
|
||
|
|
}//IsSpecifiedID
|
||
|
|
/*-----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Tests whether the user specified accessed open file username is equivalent to
|
||
|
|
the api returned username.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
[in] pszAccessedby - Null terminated string specifying the
|
||
|
|
accessedby username
|
||
|
|
[in] pszwAccessedby - Null terminated string specifying the api
|
||
|
|
returned username.
|
||
|
|
|
||
|
|
Returned Value:
|
||
|
|
|
||
|
|
TRUE - if pszAccessedby is * or equal to pszwAccessedby
|
||
|
|
FALSE - Otherwise
|
||
|
|
-----------------------------------------------------------------------------*/
|
||
|
|
BOOL
|
||
|
|
IsSpecifiedAccessedBy(LPTSTR pszAccessedby, LPWSTR pszwAccessedby)
|
||
|
|
{
|
||
|
|
// Check if WILD card is given OR non - existance of username OR given
|
||
|
|
// username and username returned by api is similar. In any of the case
|
||
|
|
// return TRUE.
|
||
|
|
|
||
|
|
if((lstrcmp(pszAccessedby, WILD_CARD) == 0) ||
|
||
|
|
(lstrlen(pszAccessedby) == 0) ||
|
||
|
|
(lstrcmpi(pszAccessedby,pszwAccessedby)==0))
|
||
|
|
{
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
return FALSE;
|
||
|
|
}//IsSpecifiedAccessedBy
|
||
|
|
/*-----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Tests whether the user specified open mode is equivalent to the api returned
|
||
|
|
openmode
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
[in] pszOpenmode - Null terminated string specifying the openmode
|
||
|
|
[in] dwOpenmode - The api returned open mode.
|
||
|
|
|
||
|
|
Returned Value:
|
||
|
|
|
||
|
|
TRUE - if pszOpenmode is * or equal to dwOpenmode
|
||
|
|
FALSE - otherwise
|
||
|
|
-----------------------------------------------------------------------------*/
|
||
|
|
BOOL
|
||
|
|
IsSpecifiedOpenmode(LPTSTR pszOpenmode, DWORD dwOpenmode)
|
||
|
|
{
|
||
|
|
|
||
|
|
// Check for WILD card if given OR if no open mode given . In both case
|
||
|
|
// return TRUE.
|
||
|
|
if((lstrcmp(pszOpenmode, WILD_CARD) == 0) ||
|
||
|
|
(lstrlen(pszOpenmode) == 0))
|
||
|
|
{
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
// Check if READ mode is given as String .
|
||
|
|
if(CompareString(LOCALE_SYSTEM_DEFAULT,
|
||
|
|
NORM_IGNORECASE,
|
||
|
|
pszOpenmode,
|
||
|
|
-1,
|
||
|
|
READ_MODE,
|
||
|
|
-1)== CSTR_EQUAL)
|
||
|
|
{
|
||
|
|
// check that only READ mode only with dwOpenmode variable which is
|
||
|
|
// returned by api.
|
||
|
|
if((PERM_FILE_READ == (dwOpenmode & PERM_FILE_READ)) &&
|
||
|
|
(PERM_FILE_WRITE != (dwOpenmode & PERM_FILE_WRITE)))
|
||
|
|
{
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// Check if write mode is given.
|
||
|
|
else if(CompareString(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE,
|
||
|
|
pszOpenmode,-1,WRITE_MODE,-1) == CSTR_EQUAL)
|
||
|
|
{
|
||
|
|
// check that only WRITE mode only with dwOpenmode variable which is
|
||
|
|
// returned by api.
|
||
|
|
|
||
|
|
if((PERM_FILE_WRITE == (dwOpenmode & PERM_FILE_WRITE)) &&
|
||
|
|
(PERM_FILE_READ != (dwOpenmode & PERM_FILE_READ)))
|
||
|
|
{
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if(CompareString(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE,
|
||
|
|
pszOpenmode,-1,READ_WRITE_MODE,-1) == CSTR_EQUAL)
|
||
|
|
{
|
||
|
|
if((PERM_FILE_READ == (dwOpenmode & PERM_FILE_READ)) &&
|
||
|
|
(PERM_FILE_WRITE == (dwOpenmode & PERM_FILE_WRITE)))
|
||
|
|
{
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if(CompareString(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE,
|
||
|
|
pszOpenmode,-1,WRITE_READ_MODE,-1) == CSTR_EQUAL)
|
||
|
|
{
|
||
|
|
if((PERM_FILE_WRITE == (dwOpenmode & PERM_FILE_WRITE)) &&
|
||
|
|
(PERM_FILE_READ == (dwOpenmode & PERM_FILE_READ)))
|
||
|
|
{
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Given string does not matches with predefined Strings..
|
||
|
|
// return FALSE.
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
/*-----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Tests whether the user specified open file is equalant to the api returned
|
||
|
|
open file.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
[in] pszOpenfile - Null terminated string specifying the open
|
||
|
|
file
|
||
|
|
[in] pszwOpenfile - Null terminated string specifying the api
|
||
|
|
returned open file.
|
||
|
|
|
||
|
|
Returned Value:
|
||
|
|
|
||
|
|
TRUE - if pszOpenfile is * or equal to pszwOpenfile
|
||
|
|
FALSE - otherwise
|
||
|
|
-----------------------------------------------------------------------------*/
|
||
|
|
BOOL
|
||
|
|
IsSpecifiedOpenfile(LPTSTR pszOpenfile, LPWSTR pszwOpenfile)
|
||
|
|
{
|
||
|
|
// Check for WILD card if given OR no open file specified OR
|
||
|
|
// open file given by user matches with open file returned by api.
|
||
|
|
// In all cases return TRUE.
|
||
|
|
if((lstrcmp(pszOpenfile, WILD_CARD) == 0)||
|
||
|
|
(lstrlen(pszOpenfile) == 0) ||
|
||
|
|
(lstrcmpi(pszwOpenfile,pszOpenfile)==0))
|
||
|
|
{
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
return FALSE;
|
||
|
|
}//IsSpecifiedOpenfile
|