159 lines
4.1 KiB
C++
159 lines
4.1 KiB
C++
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1995
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//
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// File: dfileext.cxx
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//
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// Contents: Ole NTSD extension routines to dump the clsid/file extensions
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// cache
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//
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// Functions: fileExtHelp
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// displayFileExtTbl
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//
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//
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// History: 06-01-95 BruceMa Created
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//
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//
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//--------------------------------------------------------------------------
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#include <ole2int.h>
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#include <windows.h>
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#include "ole.h"
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#include "dshrdmem.h"
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BOOL IsEqualCLSID(CLSID *pClsid1, CLSID *pClsid2);
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void FormatCLSID(REFGUID rguid, LPSTR lpsz);
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//+-------------------------------------------------------------------------
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//
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// Function: fileExtHelp
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//
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// Synopsis: Display a menu for the command 'fe'
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//
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// Arguments: -
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//
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// Returns: -
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//
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// History: 07-Mar-95 BruceMa Created
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//
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//--------------------------------------------------------------------------
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void fileExtHelp(PNTSD_EXTENSION_APIS lpExtensionApis)
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{
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Printf("fe - Display entire file extensions table\n");
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Printf("fe clsid - Display file extensions for clsid\n");
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Printf("fe .ext - Display clsid for file extension ext\n");
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}
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//+-------------------------------------------------------------------------
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//
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// Function: displayFileExtTbl
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//
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// Synopsis: Display some or all of the file extensions table
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//
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// Arguments: [hProcess] - Handle of this process
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// [lpExtensionApis] - Table of extension functions
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// [lpFileExtTbl] - Address of file extensions table
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//
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// Returns: -
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//
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// History: 01-Jun-95 BruceMa Created
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//
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//--------------------------------------------------------------------------
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void displayFileExtTbl(HANDLE hProcess,
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PNTSD_EXTENSION_APIS lpExtensionApis,
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SDllShrdTbl *pShrdTbl,
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CLSID *pClsid,
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WCHAR *wszExt)
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{
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SDllShrdTbl sDllTbl;
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SExtTblHdr *pExtTblHdr;
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SExtTblHdr sExtTblHdr;
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BYTE *pExtEntry;
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LPVOID pEnd;
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CLSID oldClsid = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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// Read the shared table locally
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ReadMem(&sDllTbl, pShrdTbl, sizeof(SDllShrdTbl));
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// Read the table header locally
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pExtTblHdr = sDllTbl._FileExtTbl._pTblHdr;
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ReadMem(&sExtTblHdr, pExtTblHdr, sizeof(SExtTblHdr));
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// Set up to read the entries
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pExtEntry = sDllTbl._FileExtTbl._pStart;
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pEnd = pExtEntry + sExtTblHdr.OffsEnd - sizeof(SExtTblHdr);
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// Do over the file extension entries
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while (pExtEntry < pEnd)
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{
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ULONG ulLen;
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SExtEntry sExtEnt;
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WCHAR slop[16];
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char szClsid[CLSIDSTR_MAX];
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BOOL fNL = FALSE;
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// Just in case the loop gets away from us
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if (CheckControlC())
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{
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return;
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}
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// Read the length of this entry
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ReadMem(&ulLen, pExtEntry + sizeof(CLSID), sizeof(ULONG));
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// Read the next entry locally
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ReadMem(&sExtEnt, pExtEntry, ulLen);
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// Print the clsid if dumping the whole table or searching by
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// extension
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if ((pClsid == NULL && wszExt == NULL) ||
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(wszExt && !lstrcmpW(wszExt, sExtEnt.wszExt)))
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{
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FormatCLSID(sExtEnt.Clsid, szClsid);
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Printf("%s ", szClsid);
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// Save the clisd
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oldClsid = sExtEnt.Clsid;
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// Remember to printf a newline
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fNL = TRUE;
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}
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// Print the extension if dumping the whole table or seraching
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// by clsid
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if ((pClsid == NULL && wszExt == NULL) ||
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(pClsid && IsEqualCLSID(&sExtEnt.Clsid, pClsid)))
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{
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// Print the associated file extension
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Printf("%ws ", sExtEnt.wszExt);
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// Remember to printf a newline
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fNL = TRUE;
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}
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// Check if we need to print a newline
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if (fNL)
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{
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Printf("\n");
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fNL = FALSE;
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}
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// Go to the next entry
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pExtEntry += ulLen;
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}
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}
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