594 lines
18 KiB
C
594 lines
18 KiB
C
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/********************************************************************
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Copyright (c) 1999-2000 Microsoft Corporation
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Module Name:
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pfrutil.h
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Abstract:
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PFR utility stuff
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Revision History:
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DerekM created 05/01/99
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********************************************************************/
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#ifndef PFRUTIL_H
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#define PFRUTIL_H
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// this turns on the manifest mode heap collection
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#define MANIFEST_HEAP
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// make sure both _DEBUG & DEBUG are defined if one is defined. Otherwise
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// the ASSERT macro never does anything
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#if defined(_DEBUG) && !defined(DEBUG)
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#define DEBUG 1
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#endif
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#if defined(DEBUG) && !defined(_DEBUG)
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#define _DEBUG 1
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#endif
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#include "dbgtrace.h"
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////////////////////////////////////////////////////////////////////////////
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// tracing wrappers
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// can't call HRESULT_FROM_WIN32 with a fn as a parameter cuz it is a macro
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// and evaluates the expression 3 times. This is a particularlly bad thing
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// when u don't look at macros first to see what they do.
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inline HRESULT ChangeErrToHR(DWORD dwErr) { return HRESULT_FROM_WIN32(dwErr); }
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#if defined(NOTRACE)
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#define INIT_TRACING
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#define TERM_TRACING
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#define USE_TRACING(sz)
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#define DBG_MSG(sz)
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#define TESTHR(hr, fn) \
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hr = (fn);
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#define TESTBOOL(hr, fn) \
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hr = ((fn) ? NOERROR : HRESULT_FROM_WIN32(GetLastError()));
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#define TESTERR(hr, fn) \
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SetLastError((fn)); \
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hr = HRESULT_FROM_WIN32(GetLastError());
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#define VALIDATEPARM(hr, expr) \
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hr = ((expr) ? E_INVALIDARG : NOERROR);
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#define VALIDATEEXPR(hr, expr, hrErr) \
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hr = ((expr) ? (hrErr) : NOERROR);
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#else
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#define INIT_TRACING \
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InitAsyncTrace();
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#define TERM_TRACING \
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TermAsyncTrace();
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#define USE_TRACING(sz) \
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TraceQuietEnter(sz); \
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TraceFunctEntry(sz); \
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DWORD __dwtraceGLE = GetLastError(); \
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#define DBG_MSG(sz) \
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ErrorTrace(0, sz)
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#define TESTHR(hr, fn) \
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if (FAILED(hr = (fn))) \
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{ \
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__dwtraceGLE = GetLastError(); \
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ErrorTrace(0, "%s failed. Err: 0x%08x", #fn, hr); \
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SetLastError(__dwtraceGLE); \
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} \
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#define TESTBOOL(hr, fn) \
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hr = NOERROR; \
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if ((fn) == FALSE) \
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{ \
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__dwtraceGLE = GetLastError(); \
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hr = HRESULT_FROM_WIN32(__dwtraceGLE); \
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ErrorTrace(0, "%s failed. Err: 0x%08x", #fn, __dwtraceGLE); \
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SetLastError(__dwtraceGLE); \
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}
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#define TESTERR(hr, fn) \
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SetLastError((fn)); \
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if (FAILED(hr = HRESULT_FROM_WIN32(GetLastError()))) \
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{ \
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__dwtraceGLE = GetLastError(); \
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ErrorTrace(0, "%s failed. Err: %d", #fn, __dwtraceGLE); \
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SetLastError(__dwtraceGLE); \
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}
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#define VALIDATEPARM(hr, expr) \
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if (expr) \
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{ \
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ErrorTrace(0, "Invalid parameters passed to %s", \
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___pszFunctionName); \
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SetLastError(ERROR_INVALID_PARAMETER); \
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hr = E_INVALIDARG; \
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} \
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else hr = NOERROR;
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#define VALIDATEEXPR(hr, expr, hrErr) \
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if (expr) \
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{ \
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ErrorTrace(0, "Expression failure %s", #expr); \
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hr = (hrErr); \
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} \
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else hr = NOERROR;
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#endif
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////////////////////////////////////////////////////////////////////////////
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// Memory
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#if defined(DEBUG) || defined(_DEBUG)
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// this structure must ALWAYS be 8 byte aligned. Add padding to the end if
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// it isn't.
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struct SMyMemDebug
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{
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__int64 hHeap;
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__int64 cb;
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DWORD dwTag;
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DWORD dwChk;
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};
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#endif
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extern HANDLE g_hPFPrivateHeap;
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// **************************************************************************
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inline HANDLE MyHeapCreate(SIZE_T cbInitial = 8192, SIZE_T cbMax = 0)
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{
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return HeapCreate(0, cbInitial, cbMax);
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}
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// **************************************************************************
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inline BOOL MyHeapDestroy(HANDLE hHeap)
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{
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return HeapDestroy(hHeap);
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}
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// **************************************************************************
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inline LPVOID MyAlloc(SIZE_T cb, HANDLE hHeap = NULL, BOOL fZero = TRUE)
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{
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#if defined(DEBUG) || defined(_DEBUG)
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SMyMemDebug *psmmd;
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LPBYTE pb;
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cb += (sizeof(SMyMemDebug) + 4);
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hHeap = (hHeap != NULL) ? hHeap : GetProcessHeap();
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pb = (LPBYTE)HeapAlloc(hHeap, ((fZero) ? HEAP_ZERO_MEMORY : 0), cb);
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if (pb != NULL)
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{
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psmmd = (SMyMemDebug *)pb;
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psmmd->hHeap = (__int64)hHeap;
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psmmd->cb = (__int64)cb;
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psmmd->dwTag = 0xBCBCBCBC;
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psmmd->dwChk = 0xBCBCBCBC;
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// do this cuz it's easier than figuring out the alignment and
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// manually converting it to a 4 byte aligned value
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*(pb + cb - 4) = 0xBC;
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*(pb + cb - 3) = 0xBC;
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*(pb + cb - 2) = 0xBC;
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*(pb + cb - 1) = 0xBC;
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pb = (PBYTE)pb + sizeof(SMyMemDebug);
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}
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return pb;
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#else
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return HeapAlloc(((hHeap != NULL) ? hHeap : GetProcessHeap()),
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((fZero) ? HEAP_ZERO_MEMORY : 0), cb);
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#endif
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}
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// **************************************************************************
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inline LPVOID MyReAlloc(LPVOID pv, SIZE_T cb, HANDLE hHeap = NULL,
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BOOL fZero = TRUE)
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{
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#if defined(DEBUG) || defined(_DEBUG)
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SMyMemDebug *psmmd;
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SIZE_T cbOld;
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LPBYTE pbNew;
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LPBYTE pb = (LPBYTE)pv;
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// if this is NULL, force a call to HeapReAlloc so that it can set the
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// proper error for GLE to fetch
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if (pv == NULL)
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{
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SetLastError(0);
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return NULL;
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}
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pb -= sizeof(SMyMemDebug);
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hHeap = (hHeap != NULL) ? hHeap : GetProcessHeap();
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// wrap this in a try block in case the memory was not allocated
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// by us or is corrupted- in which case the following could
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// cause an AV.
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__try
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{
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psmmd = (SMyMemDebug *)pb;
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cbOld = (SIZE_T)psmmd->cb;
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_ASSERT(psmmd->hHeap == (__int64)hHeap);
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_ASSERT(psmmd->dwTag == 0xBCBCBCBC);
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_ASSERT(psmmd->dwChk == 0xBCBCBCBC);
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// do this cuz it's easier than figuring out the alignment and
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// manually converting it to a 4 byte aligned value
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_ASSERT(*(pb + cbOld - 4) == 0xBC);
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_ASSERT(*(pb + cbOld - 3) == 0xBC);
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_ASSERT(*(pb + cbOld - 2) == 0xBC);
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_ASSERT(*(pb + cbOld - 1) == 0xBC);
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if (psmmd->hHeap != (__int64)hHeap)
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hHeap = (HANDLE)(DWORD_PTR)psmmd->hHeap;
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}
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__except(EXCEPTION_EXECUTE_HANDLER)
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{
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_ASSERT(FALSE);
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}
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hHeap = *((HANDLE *)pb);
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cb += (sizeof(SMyMemDebug) + 4);
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pbNew = (LPBYTE)HeapReAlloc(hHeap, ((fZero) ? HEAP_ZERO_MEMORY : 0), pb, cb);
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if (pbNew != NULL)
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{
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psmmd = (SMyMemDebug *)pb;
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psmmd->hHeap = (__int64)hHeap;
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psmmd->cb = (__int64)cb;
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psmmd->dwTag = 0xBCBCBCBC;
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psmmd->dwChk = 0xBCBCBCBC;
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// do this cuz it's easier than figuring out the alignment and
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// manually converting it to a 4 byte aligned value
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*(pb + cb - 4) = 0xBC;
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*(pb + cb - 3) = 0xBC;
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*(pb + cb - 2) = 0xBC;
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*(pb + cb - 1) = 0xBC;
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pb = (PBYTE)pb + sizeof(SMyMemDebug);
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}
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return pv;
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#else
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return HeapReAlloc(((hHeap != NULL) ? hHeap : GetProcessHeap()),
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((fZero) ? HEAP_ZERO_MEMORY : 0), pv, cb);
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#endif
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}
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// **************************************************************************
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inline BOOL MyFree(LPVOID pv, HANDLE hHeap = NULL)
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{
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#if defined(DEBUG) || defined(_DEBUG)
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SMyMemDebug *psmmd;
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SIZE_T cbOld;
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HANDLE hAllocHeap;
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LPBYTE pb = (LPBYTE)pv;
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// if this is NULL, force a call to HeapFree so that it can set the
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// proper error for GLE to fetch
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if (pv == NULL)
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return TRUE;
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pb -= sizeof(SMyMemDebug);
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hHeap = (hHeap != NULL) ? hHeap : GetProcessHeap();
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// wrap this in a try block in case the memory was not allocated
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// by us or is corrupted- in which case the following could
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// cause an AV.
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__try
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{
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psmmd = (SMyMemDebug *)pb;
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cbOld = (SIZE_T)psmmd->cb;
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_ASSERT(psmmd->hHeap == (__int64)hHeap);
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_ASSERT(psmmd->dwTag == 0xBCBCBCBC);
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_ASSERT(psmmd->dwChk == 0xBCBCBCBC);
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// do this cuz it's easier than figuring out the alignment and
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// manually converting it to a 4 byte aligned value
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_ASSERT(*(pb + cbOld - 4) == 0xBC);
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_ASSERT(*(pb + cbOld - 3) == 0xBC);
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_ASSERT(*(pb + cbOld - 2) == 0xBC);
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_ASSERT(*(pb + cbOld - 1) == 0xBC);
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if (psmmd->hHeap != (__int64)hHeap)
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hHeap = (HANDLE)(DWORD_PTR)psmmd->hHeap;
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}
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__except(EXCEPTION_EXECUTE_HANDLER)
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{
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_ASSERT(FALSE);
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}
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FillMemory(pb, cbOld, 0xCB);
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return HeapFree(hHeap, 0, pb);
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#else
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return HeapFree(((hHeap != NULL) ? hHeap : GetProcessHeap()), 0, pv);
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#endif
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}
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////////////////////////////////////////////////////////////////////////////
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// useful inlines / defines
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// **************************************************************************
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inline DWORD MyMax(DWORD a, DWORD b)
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{
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return (a > b) ? a : b;
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}
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// **************************************************************************
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inline DWORD MyMin(DWORD a, DWORD b)
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{
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return (a <= b) ? a : b;
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}
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#define Err2HR(dwErr) HRESULT_FROM_WIN32(dwErr)
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#define sizeofSTRW(wsz) sizeof(wsz) / sizeof(WCHAR)
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////////////////////////////////////////////////////////////////////////////
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// Files
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const WCHAR c_wszDirSuffix[] = L".dir00";
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HRESULT OpenFileMapped(LPWSTR wszFile, LPVOID *ppvFile, DWORD *pcbFile);
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HRESULT DeleteTempFile(LPWSTR wszFile);
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HRESULT MyCallNamedPipe(LPCWSTR wszPipe, LPVOID pvIn, DWORD cbIn,
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LPVOID pvOut, DWORD cbOut, DWORD *pcbRead,
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DWORD dwWaitPipe, DWORD dwWaitRead = INFINITE);
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DWORD CreateTempDirAndFile(LPCWSTR wszTempDir, LPCWSTR wszName,
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LPWSTR *pwszPath);
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BOOL DeleteTempDirAndFile(LPCWSTR wszPath, BOOL fFilePresent);
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#ifdef MANIFEST_HEAP
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BOOL DeleteFullAndTriageMiniDumps(LPCWSTR wszPath);
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#endif // MANIFEST_HEAP
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////////////////////////////////////////////////////////////////////////////
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// Security
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BOOL AllocSD(SECURITY_DESCRIPTOR *psd, DWORD dwOLs, DWORD dwAd, DWORD dwWA);
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void FreeSD(SECURITY_DESCRIPTOR *psd);
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BOOL IsUserAnAdmin(HANDLE hToken);
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////////////////////////////////////////////////////////////////////////////
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// Registry
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enum EPFORK
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{
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orkWantWrite = 0x1,
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orkUseWOW64 = 0x2,
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};
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HRESULT OpenRegKey(HKEY hkeyMain, LPCWSTR wszSubKey, DWORD dwOpt, HKEY *phkey);
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HRESULT ReadRegEntry(HKEY hkey, LPCWSTR szValName, DWORD *pdwType,
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PBYTE pbBuffer, DWORD *pcbBuffer, PBYTE pbDefault,
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DWORD cbDefault);
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|
|
HRESULT ReadRegEntry(HKEY *rghkey, DWORD cKeys, LPCWSTR wszValName,
|
||
|
|
DWORD *pdwType, PBYTE pbBuffer, DWORD *pcbBuffer,
|
||
|
|
PBYTE pbDefault, DWORD cbDefault, DWORD *piKey = NULL);
|
||
|
|
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////
|
||
|
|
// version info
|
||
|
|
|
||
|
|
#define APP_WINCOMP 0x1
|
||
|
|
#define APP_MSAPP 0x2
|
||
|
|
DWORD IsMicrosoftApp(LPWSTR wszAppPath, PBYTE pbAppInfo, DWORD cbAppInfo);
|
||
|
|
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////
|
||
|
|
// String
|
||
|
|
|
||
|
|
WCHAR *MyStrStrIW(const WCHAR *wcs1, const WCHAR *wcs2);
|
||
|
|
CHAR *MyStrStrIA(const CHAR *cs1, const CHAR *cs2);
|
||
|
|
HRESULT MyURLEncode(LPWSTR wszDest, DWORD cchDest, LPWSTR wszSrc);
|
||
|
|
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////
|
||
|
|
// CPFGenericClassBase
|
||
|
|
|
||
|
|
class CPFGenericClassBase
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
// CPFGenericClassBase(void) {}
|
||
|
|
// virtual ~CPFGenericClassBase(void) {}
|
||
|
|
|
||
|
|
void *operator new(size_t size)
|
||
|
|
{
|
||
|
|
return MyAlloc(size, NULL, FALSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
void operator delete(void *pvMem)
|
||
|
|
{
|
||
|
|
if (pvMem != NULL)
|
||
|
|
MyFree(pvMem, NULL);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
class CPFPrivHeapGenericClassBase
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
// CPFGenericClassBase(void) {}
|
||
|
|
// virtual ~CPFGenericClassBase(void) {}
|
||
|
|
|
||
|
|
void *operator new(size_t size)
|
||
|
|
{
|
||
|
|
return MyAlloc(size, g_hPFPrivateHeap, FALSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
void operator delete(void *pvMem)
|
||
|
|
{
|
||
|
|
if (pvMem != NULL)
|
||
|
|
MyFree(pvMem, g_hPFPrivateHeap);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////
|
||
|
|
// CAutoUnlockCS
|
||
|
|
|
||
|
|
// This class wrappers a critical section. It will automatically unlock the
|
||
|
|
// CS when the class destructs (assuming it is locked)
|
||
|
|
|
||
|
|
// NOTE: this object is intended to be used only as a local variable of a
|
||
|
|
// function, not as a global variable or class member.
|
||
|
|
class CAutoUnlockCS
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
#if defined(DEBUG) || defined(_DEBUG)
|
||
|
|
DWORD m_dwOwningThread;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
CRITICAL_SECTION *m_pcs;
|
||
|
|
DWORD m_cLocks;
|
||
|
|
|
||
|
|
public:
|
||
|
|
CAutoUnlockCS(CRITICAL_SECTION *pcs, BOOL fTakeLock = FALSE)
|
||
|
|
{
|
||
|
|
m_pcs = pcs;
|
||
|
|
m_cLocks = 0;
|
||
|
|
#if defined(DEBUG) || defined(_DEBUG)
|
||
|
|
m_dwOwningThread = 0;
|
||
|
|
#endif
|
||
|
|
if (fTakeLock)
|
||
|
|
this->Lock();
|
||
|
|
}
|
||
|
|
|
||
|
|
~CAutoUnlockCS(void)
|
||
|
|
{
|
||
|
|
_ASSERT(m_cLocks <= 1);
|
||
|
|
if (m_pcs != NULL)
|
||
|
|
{
|
||
|
|
#if defined(DEBUG) || defined(_DEBUG)
|
||
|
|
if (m_cLocks > 0)
|
||
|
|
_ASSERT(m_dwOwningThread == GetCurrentThreadId());
|
||
|
|
#endif
|
||
|
|
while(m_cLocks > 0)
|
||
|
|
{
|
||
|
|
LeaveCriticalSection(m_pcs);
|
||
|
|
m_cLocks--;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Lock(void)
|
||
|
|
{
|
||
|
|
if (m_pcs != NULL)
|
||
|
|
{
|
||
|
|
EnterCriticalSection(m_pcs);
|
||
|
|
m_cLocks++;
|
||
|
|
#if defined(DEBUG) || defined(_DEBUG)
|
||
|
|
m_dwOwningThread = GetCurrentThreadId();
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Unlock(void)
|
||
|
|
{
|
||
|
|
_ASSERT(m_cLocks > 0);
|
||
|
|
_ASSERT(m_dwOwningThread == GetCurrentThreadId());
|
||
|
|
if (m_pcs != NULL && m_cLocks > 0)
|
||
|
|
{
|
||
|
|
m_cLocks--;
|
||
|
|
LeaveCriticalSection(m_pcs);
|
||
|
|
}
|
||
|
|
#if defined(DEBUG) || defined(_DEBUG)
|
||
|
|
if (m_cLocks == 0)
|
||
|
|
m_dwOwningThread = 0;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////
|
||
|
|
// CAutoUnlockMutex
|
||
|
|
|
||
|
|
// This class wrappers a mutex. It will automatically unlock the
|
||
|
|
// mutex when the class destructs (assuming it is owned)
|
||
|
|
|
||
|
|
// NOTE: this object is intended to be used only as a local variable of a
|
||
|
|
// function, not as a global variable or class member.
|
||
|
|
class CAutoUnlockMutex
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
#if defined(DEBUG) || defined(_DEBUG)
|
||
|
|
DWORD m_dwOwningThread;
|
||
|
|
#endif
|
||
|
|
HANDLE m_hmut;
|
||
|
|
DWORD m_cLocks;
|
||
|
|
|
||
|
|
public:
|
||
|
|
CAutoUnlockMutex(HANDLE hmut, BOOL fTakeLock = FALSE)
|
||
|
|
{
|
||
|
|
m_hmut = hmut;
|
||
|
|
m_cLocks = 0;
|
||
|
|
#if defined(DEBUG) || defined(_DEBUG)
|
||
|
|
m_dwOwningThread = 0;
|
||
|
|
#endif
|
||
|
|
if (fTakeLock)
|
||
|
|
this->Lock();
|
||
|
|
}
|
||
|
|
|
||
|
|
~CAutoUnlockMutex(void)
|
||
|
|
{
|
||
|
|
_ASSERT(m_cLocks <= 1);
|
||
|
|
if (m_hmut != NULL)
|
||
|
|
{
|
||
|
|
#if defined(DEBUG) || defined(_DEBUG)
|
||
|
|
if (m_cLocks > 0)
|
||
|
|
_ASSERT(m_dwOwningThread == GetCurrentThreadId());
|
||
|
|
#endif
|
||
|
|
while(m_cLocks > 0)
|
||
|
|
{
|
||
|
|
ReleaseMutex(m_hmut);
|
||
|
|
m_cLocks--;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL Lock(DWORD dwTimeout = INFINITE)
|
||
|
|
{
|
||
|
|
if (m_hmut != NULL)
|
||
|
|
{
|
||
|
|
if (WaitForSingleObject(m_hmut, dwTimeout) != WAIT_OBJECT_0)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
m_cLocks++;
|
||
|
|
#if defined(DEBUG) || defined(_DEBUG)
|
||
|
|
m_dwOwningThread = GetCurrentThreadId();
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Unlock(void)
|
||
|
|
{
|
||
|
|
_ASSERT(m_cLocks > 0);
|
||
|
|
_ASSERT(m_dwOwningThread == GetCurrentThreadId());
|
||
|
|
if (m_hmut != NULL && m_cLocks > 0)
|
||
|
|
{
|
||
|
|
m_cLocks--;
|
||
|
|
ReleaseMutex(m_hmut);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|