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HashVerify.cpp
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HashVerify.cpp
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/**
* HashCheck Shell Extension
* Original work copyright (C) Kai Liu. All rights reserved.
* Modified work copyright (C) 2014, 2016 Christopher Gurnee. All rights reserved.
* Modified work copyright (C) 2016 Tim Schlueter. All rights reserved.
* Modified work copyright (C) 2021 Mounir IDRASSI. All rights reserved.
*
* Please refer to readme.txt for information about this source code.
* Please refer to license.txt for details about distribution and modification.
**/
#include "globals.h"
#include "HashCheckCommon.h"
#include "SetAppID.h"
#include "UnicodeHelpers.h"
#include "IsSSD.h"
#include <uxtheme.h>
#include <Strsafe.h>
#include <cassert>
#include <algorithm>
#ifdef USE_PPL
#include <ppl.h>
#include <concurrent_vector.h>
#endif
#define HV_COL_FILENAME 0
#define HV_COL_SIZE 1
#define HV_COL_STATUS 2
#define HV_COL_EXPECTED 3
#define HV_COL_ACTUAL 4
#define HV_COL_FIRST HV_COL_FILENAME
#define HV_COL_LAST HV_COL_ACTUAL
#define HV_STATUS_NULL 0
#define HV_STATUS_MATCH 1
#define HV_STATUS_MISMATCH 2
#define HV_STATUS_UNREADABLE 3
#define LISTVIEW_EXSTYLES ( LVS_EX_HEADERDRAGDROP | \
LVS_EX_FULLROWSELECT | \
LVS_EX_LABELTIP | \
LVS_EX_DOUBLEBUFFER )
// Fix up missing A/W aliases
#ifdef UNICODE
#define LPNMLVDISPINFO LPNMLVDISPINFOW
#define StrCmpLogical StrCmpLogicalW
#else
#define LPNMLVDISPINFO LPNMLVDISPINFOA
#define StrCmpLogical StrCmpIA
#endif
// Due to the stupidity of the x64 compiler, the code emitted for the non-inline
// function is not as efficient as it is on x86
#ifdef _M_IX86
#undef SSChainNCpy2
#define SSChainNCpy2 SSChainNCpy2F
#endif
typedef struct {
UINT cMatch; // number of matches
UINT cMismatch; // number of mismatches
UINT cUnreadable; // number of unreadable files
} HASHVERIFYPREV, *PHASHVERIFYPREV;
typedef struct {
INT iColumn; // column to sort
BOOL bReverse; // reverse sort?
} HASHVERIFYSORT, *PHASHVERIFYSORT;
typedef struct {
FILESIZE filesize;
PTSTR pszDisplayName;
PTSTR pszExpected;
INT16 cchDisplayName;
INT nListviewIndex;
BOOL bBeenSeen; // has the listview control asked for this item's info yet?
UINT8 uState;
UINT8 uStatusID;
TCHAR szActual[MAX_DIGEST_STRING_LENGTH];
} HASHVERIFYITEM, *PHASHVERIFYITEM, *PHVITEM, **PPHVITEM;
typedef CONST HASHVERIFYITEM **PPCHVITEM;
typedef struct {
// Common block (see COMMONCONTEXT)
WORKERTHREADSTATUS status; // thread status
DWORD dwFlags; // misc. status flags
MSGCOUNT cSentMsgs; // number update messages sent by the worker
MSGCOUNT cHandledMsgs; // number update messages processed by the UI
HWND hWnd; // handle of the dialog window
HWND hWndPBTotal; // cache of the IDC_PROG_TOTAL progress bar handle
HWND hWndPBFile; // cache of the IDC_PROG_FILE progress bar handle
HANDLE hThread; // handle of the worker thread
HANDLE hUnpauseEvent;// handle of the event which signals when unpaused
PFNWORKERMAIN pfnWorkerMain;// worker function executed by the (non-GUI) thread
// Members specific to HashVerify
HWND hWndList; // handle of the list
HSIMPLELIST hList; // where we store all the data
PPHVITEM index; // index of the items in the list
PTSTR pszPath; // raw path, set by initial input
PTSTR pszFileData; // raw file data, set by initial input
HASHVERIFYSORT sort; // sort information
BOOL bFreshStates; // is our copy of the item states fresh?
UINT cTotal; // total number of files
UINT cMatch; // number of matches
UINT cMismatch; // number of mismatches
UINT cUnreadable; // number of unreadable files
DWORD dwStarted; // GetTickCount() start time
HASHVERIFYPREV prev; // previous update data, used for update coalescing
UINT uMaxBatch; // maximum number of updates to coalesce
volatile DWORD whctxFlags; // WinHash library dwFlags (which checksums to use)
TCHAR szStatus[4][MAX_STRINGRES];
} HASHVERIFYCONTEXT, *PHASHVERIFYCONTEXT;
/*============================================================================*\
Function declarations
\*============================================================================*/
// Data parsing functions
__forceinline PBYTE WINAPI HashVerifyLoadData( PHASHVERIFYCONTEXT phvctx );
VOID WINAPI HashVerifyParseData( PHASHVERIFYCONTEXT phvctx );
BOOL WINAPI ValidateHexSequence( PTSTR psz, UINT cch );
// Worker thread
VOID __fastcall HashVerifyWorkerMain( PHASHVERIFYCONTEXT phvctx );
// Dialog general
INT_PTR CALLBACK HashVerifyDlgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
VOID WINAPI HashVerifyDlgInit( PHASHVERIFYCONTEXT phvctx );
// Dialog status
VOID WINAPI HashVerifyUpdateSummary( PHASHVERIFYCONTEXT phvctx, PHASHVERIFYITEM pItem );
// List management
__forceinline VOID WINAPI HashVerifyListInfo( PHASHVERIFYCONTEXT phvctx, LPNMLVDISPINFO pdi );
__forceinline LONG_PTR WINAPI HashVerifySetColor( PHASHVERIFYCONTEXT phvctx, LPNMLVCUSTOMDRAW pcd );
__forceinline LONG_PTR WINAPI HashVerifyFindItem( PHASHVERIFYCONTEXT phvctx, LPNMLVFINDITEM pfi );
__forceinline VOID WINAPI HashVerifySortColumn( PHASHVERIFYCONTEXT phvctx, LPNMLISTVIEW plv );
__forceinline VOID WINAPI HashVerifyReadStates( PHASHVERIFYCONTEXT phvctx );
__forceinline VOID WINAPI HashVerifySetStates( PHASHVERIFYCONTEXT phvctx );
INT __cdecl HashVerifySortCompare( PHASHVERIFYCONTEXT phvctx, PPCHVITEM ppItemA, PPCHVITEM ppItemB );
/*============================================================================*\
Entry points / main functions
\*============================================================================*/
VOID CALLBACK HashVerify_RunDLLW( HWND hWnd, HINSTANCE hInstance,
PWSTR pszCmdLine, INT nCmdShow )
{
SIZE_T cchPath = SSLenW(pszCmdLine) + 1;
PTSTR pszPath;
// HashVerifyThread will try to free the path passed to it, as it expects
// it to be allocated by malloc; it also expects g_cRefThisDll to be
// incremented by the caller.
if (pszPath = (PTSTR)malloc(cchPath * sizeof(TCHAR)))
{
if (WStrToTStr(pszCmdLine, pszPath, (UINT)cchPath))
{
++g_cRefThisDll;
HashVerifyThread(pszPath);
}
else
{
free(pszPath);
}
}
}
DWORD WINAPI HashVerifyThread( PTSTR pszPath )
{
// We will need to free the memory allocated for the data when done
PBYTE pbRawData;
// First, activate our manifest and AddRef our host
ULONG_PTR uActCtxCookie = ActivateManifest(TRUE);
ULONG_PTR uHostCookie = HostAddRef();
// Allocate the context data that will persist across this session
HASHVERIFYCONTEXT hvctx;
// It's important that we zero the memory since an initial value of zero is
// assumed for many of the elements
ZeroMemory(&hvctx, sizeof(hvctx));
// Prep the path
HCNormalizeString(pszPath);
StrTrim(pszPath, TEXT(" "));
hvctx.pszPath = pszPath;
// Load the raw data
pbRawData = HashVerifyLoadData(&hvctx);
if (hvctx.pszFileData && (hvctx.hList = SLCreateEx(TRUE)))
{
HashVerifyParseData(&hvctx);
DialogBoxParam(
g_hModThisDll,
MAKEINTRESOURCE(IDD_HASHVERF),
NULL,
HashVerifyDlgProc,
(LPARAM)&hvctx
);
SLRelease(hvctx.hList);
}
else if (*pszPath)
{
// Technically, we could reach this point by either having a file read
// error or a memory allocation error, but I really don't feel like
// doing separate messages for what are supposed to be rare edge cases.
TCHAR szFormat[MAX_STRINGRES], szMessage[0x100];
LoadString(g_hModThisDll, IDS_HV_LOADERROR_FMT, szFormat, countof(szFormat));
StringCchPrintf(szMessage, countof(szMessage), szFormat, pszPath);
MessageBox(NULL, szMessage, NULL, MB_OK | MB_ICONERROR);
}
free(pbRawData);
free(pszPath);
// Clean up the manifest activation and release our host
DeactivateManifest(uActCtxCookie);
HostRelease(uHostCookie);
InterlockedDecrement(&g_cRefThisDll);
return(0);
}
/*============================================================================*\
Data parsing functions
\*============================================================================*/
PBYTE WINAPI HashVerifyLoadData( PHASHVERIFYCONTEXT phvctx )
{
PBYTE pbRawData = NULL;
HANDLE hFile;
if ((hFile = OpenFileForReading(phvctx->pszPath)) != INVALID_HANDLE_VALUE)
{
LARGE_INTEGER cbRawData;
DWORD cbBytesRead;
if ( (GetFileSizeEx(hFile, &cbRawData)) &&
(pbRawData = (PBYTE)malloc(cbRawData.LowPart + sizeof(DWORD))) &&
(ReadFile(hFile, pbRawData, cbRawData.LowPart, &cbBytesRead, NULL)) &&
(cbRawData.LowPart == cbBytesRead) )
{
// When we allocated a block of memory for the file data, we
// reserved a DWORD at the end for NULL termination and to serve as
// the extra buffer needed by IsTextUTF8...
*((UPDWORD)(pbRawData + cbRawData.LowPart)) = 0;
// Prepare the data for the parser...
phvctx->pszFileData = BufferToWStr(&pbRawData, cbRawData.LowPart);
HCNormalizeString(phvctx->pszFileData);
}
CloseHandle(hFile);
}
return(pbRawData);
}
VOID WINAPI HashVerifyParseData( PHASHVERIFYCONTEXT phvctx )
{
PTSTR pszData = phvctx->pszFileData; // Points to the next line to process
UINT cchChecksum; // Expected length of the checksum in TCHARs
BOOL bReverseFormat = FALSE; // TRUE if using SFV's format of putting the checksum last
BOOL bLinesRemaining = TRUE; // TRUE if we have not reached the end of the data
// Try to determine the file type from the extension
{
PTSTR pszExt = StrRChr(phvctx->pszPath, NULL, TEXT('.'));
if (pszExt)
{
do // loops once; only here so there's something to break out of
{
#define HASH_VERIFY_EXT_TYPE(alg) \
if (StrCmpI(pszExt, HASH_EXT_##alg) == 0) \
{ \
phvctx->whctxFlags = WHEX_CHECK##alg; \
cchChecksum = alg##_DIGEST_LENGTH * 2; \
break; \
}
FOR_EACH_HASH(HASH_VERIFY_EXT_TYPE)
} while (FALSE);
// Special case for CRC-32
if (phvctx->whctxFlags == WHEX_CHECKCRC32)
bReverseFormat = TRUE;
}
}
while (bLinesRemaining)
{
PTSTR pszStartOfLine; // First non-whitespace character of the line
PTSTR pszEndOfLine; // Last non-whitespace character of the line
PTSTR pszChecksum = NULL, pszFileName = NULL;
INT16 cchPath; // This INCLUDES the NULL terminator!
// Step 1: Isolate the current line as a NULL-terminated string
{
pszStartOfLine = pszData;
// Find the end of the line
while (*pszData && *pszData != TEXT('\n'))
++pszData;
// Terminate it if necessary, otherwise flag the end of the data
if (*pszData)
*pszData = 0;
else
bLinesRemaining = FALSE;
pszEndOfLine = pszData;
// Strip spaces from the end of the line...
while (--pszEndOfLine >= pszStartOfLine && *pszEndOfLine == TEXT(' '))
*pszEndOfLine = 0;
// ...and from the start of the line
while (*pszStartOfLine == TEXT(' '))
++pszStartOfLine;
// Skip past this line's terminator; point at the remaining data
++pszData;
}
// Step 2a: Parse the line as SFV
if (bReverseFormat)
{
pszEndOfLine -= 7;
if (pszEndOfLine > pszStartOfLine && ValidateHexSequence(pszEndOfLine, 8))
{
pszChecksum = pszEndOfLine;
// Trim spaces between the checksum and the file name
while (--pszEndOfLine >= pszStartOfLine && *pszEndOfLine == TEXT(' '))
*pszEndOfLine = 0;
// Lines that begin with ';' are comments in SFV
if (*pszStartOfLine && *pszStartOfLine != TEXT(';'))
pszFileName = pszStartOfLine;
}
}
// Step 2b: All other file formats
else
{
// If we do not know the type yet, make a stab at detecting it
if (phvctx->whctxFlags == 0)
{
// 32-bit algorithms (8-byte)
if (ValidateHexSequence(pszStartOfLine, 8))
{
cchChecksum = 8;
phvctx->whctxFlags = WHEX_ALL32; // WHEX_CHECKCRC32
}
// 128-bit algorithms (32-byte)
else if (ValidateHexSequence(pszStartOfLine, 32))
{
cchChecksum = 32;
phvctx->whctxFlags = WHEX_ALL128; // WHEX_CHECKMD5
}
// 160-bit algorithms (40-byte)
else if (ValidateHexSequence(pszStartOfLine, 40))
{
cchChecksum = 40;
phvctx->whctxFlags = WHEX_ALL160; // WHEX_CHECKSHA1
}
// 256-bit algorithms (64-byte)
else if (ValidateHexSequence(pszStartOfLine, 64))
{
cchChecksum = 64;
phvctx->whctxFlags = WHEX_ALL256; // WHEX_CHECKSHA256 | WHEX_CHECKSHA3_256
}
// 512-bit algorithms (128-byte)
else if (ValidateHexSequence(pszStartOfLine, 128))
{
cchChecksum = 128;
phvctx->whctxFlags = WHEX_ALL512; // WHEX_CHECKSHA512 | WHEX_CHECKSHA3_512
}
}
// Parse the line
if ( phvctx->whctxFlags && pszEndOfLine > pszStartOfLine + cchChecksum &&
ValidateHexSequence(pszStartOfLine, cchChecksum) )
{
pszChecksum = pszStartOfLine;
pszStartOfLine += cchChecksum + 1;
// Skip over spaces between the checksum and filename
while (*pszStartOfLine == TEXT(' '))
++pszStartOfLine;
if (*pszStartOfLine)
pszFileName = pszStartOfLine;
}
}
// Step 3: Do something useful with the results
if (pszFileName && (cchPath = (INT16)(pszEndOfLine + 2 - pszFileName)) > 1)
{
// Since pszEndOfLine points to the character BEFORE the terminator,
// cchLine == 1 + pszEnd - pszStart, and then +1 for the NULL
// terminator means that we need to add 2 TCHARs to the length
// By treating cchPath as INT16 and checking the sign, we ensure
// that the path does not exceed 32K.
// Create the new data block
PHASHVERIFYITEM pItem = (PHASHVERIFYITEM)SLAddItem(phvctx->hList, NULL, sizeof(HASHVERIFYITEM));
// Abort if we are out of memory
if (!pItem) break;
pItem->filesize.ui64 = -1;
pItem->filesize.sz[0] = 0;
pItem->pszDisplayName = pszFileName;
pItem->pszExpected = pszChecksum;
pItem->cchDisplayName = cchPath;
pItem->nListviewIndex = phvctx->cTotal;
pItem->bBeenSeen = FALSE;
pItem->uStatusID = HV_STATUS_NULL;
pItem->szActual[0] = 0;
++phvctx->cTotal;
} // If the current line was found to be valid
} // Loop until there are no lines left
// Build the index
if ( phvctx->cTotal && (phvctx->index =
(PPHVITEM)SLSetContextSize(phvctx->hList, phvctx->cTotal * sizeof(PHVITEM))) )
{
SLBuildIndex(phvctx->hList, (PVOID*)phvctx->index);
}
else
{
phvctx->cTotal = 0;
}
}
BOOL WINAPI ValidateHexSequence( PTSTR psz, UINT cch )
{
// Check that the given hex string matches /[0-9A-Fa-f]{cch}\b/, and if it
// does, convert to lower-case and NULL-terminate it.
while (cch)
{
TCHAR ch = *psz;
if (ch < TEXT('0'))
{
return(FALSE);
}
else if (ch > TEXT('9'))
{
ch |= 0x20; // Convert to lower-case
if (ch < TEXT('a') || ch > TEXT('f'))
return(FALSE);
*psz = ch;
}
++psz;
--cch;
}
if (*psz == 0 || *psz == TEXT('\n') || *psz == TEXT(' '))
{
*psz = 0;
return(TRUE);
}
return(FALSE);
}
/*============================================================================*\
Worker thread
\*============================================================================*/
VOID __fastcall HashVerifyWorkerMain( PHASHVERIFYCONTEXT phvctx )
{
// Note that ALL message communication to and from the main window MUST
// be asynchronous, or else there may be a deadlock
// Initialize the path prefix length; used for building the full path
PTSTR pszPathTail = StrRChr(phvctx->pszPath, NULL, TEXT('\\'));
SIZE_T cchPathPrefix = (pszPathTail) ? pszPathTail + 1 - phvctx->pszPath : 0;
#ifdef USE_PPL
// If the first file has an absolute path, use it for IsSSD(),
// otherwise use the checksum file itself
const bool bMultithreaded = phvctx->cTotal > 1 && IsSSD(
phvctx->index[0]->pszDisplayName[0] == TEXT('\\') ||
phvctx->index[0]->pszDisplayName[1] == TEXT(':') ?
phvctx->index[0]->pszDisplayName :
phvctx->pszPath);
concurrency::concurrent_vector<void*> vecBuffers; // a vector of all allocated read buffers (one per thread)
DWORD dwBufferTlsIndex = TlsAlloc(); // TLS index of the current thread's read buffer
if (dwBufferTlsIndex == TLS_OUT_OF_INDEXES)
return;
#else
constexpr bool bMultithreaded = false;
#endif
PBYTE pbTheBuffer; // filename/read buffer, used iff not multithreaded
if (! bMultithreaded)
{
pbTheBuffer = (PBYTE)VirtualAlloc(NULL, READ_BUFFER_SIZE, MEM_COMMIT, PAGE_READWRITE);
if (pbTheBuffer == NULL)
return;
}
// Initialize the progress bar update synchronization vars
CRITICAL_SECTION updateCritSec;
volatile ULONGLONG cbCurrentMaxSize = 0;
if (bMultithreaded)
InitializeCriticalSection(&updateCritSec);
// We need to keep track of the thread's execution time so that we can do a
// sound notification of completion when appropriate
phvctx->dwStarted = GetTickCount();
class CanceledException {};
// concurrency::parallel_for_each(phvctx->index, phvctx->index + phvctx->cTotal, ...
auto per_file_worker = [&](PHASHVERIFYITEM pItem)
{
PBYTE pbBuffer;
#ifdef USE_PPL
if (bMultithreaded)
{
// Allocate or retrieve the already-allocated read buffer for the current thread
pbBuffer = (PBYTE)TlsGetValue(dwBufferTlsIndex);
if (pbBuffer == NULL)
{
pbBuffer = (PBYTE)VirtualAlloc(NULL, READ_BUFFER_SIZE, MEM_COMMIT, PAGE_READWRITE);
if (pbBuffer == NULL)
throw CanceledException();
// Cache the read buffer for the current thread
vecBuffers.push_back(pbBuffer);
TlsSetValue(dwBufferTlsIndex, pbBuffer);
}
}
else
#endif
pbBuffer = pbTheBuffer;
// Part 1: Build the path
{
SIZE_T cchPrefix = cchPathPrefix;
// Do not use the prefix if pszDisplayName is an absolute path
if ( pItem->pszDisplayName[0] == TEXT('\\') ||
pItem->pszDisplayName[1] == TEXT(':') )
{
cchPrefix = 0;
}
SSChainNCpy2(
(PTSTR)pbBuffer,
phvctx->pszPath, cchPrefix,
pItem->pszDisplayName, pItem->cchDisplayName
);
}
// Part 2: Calculate the checksum(s)
WHCTXEX whctx;
WHRESULTEX whres;
whctx.dwFlags = phvctx->whctxFlags;
whres.dwFlags = 0;
WorkerThreadHashFile(
(PCOMMONCONTEXT)phvctx,
(PTSTR)pbBuffer,
&whctx,
&whres,
pbBuffer,
&pItem->filesize,
pItem->nListviewIndex,
bMultithreaded ? &updateCritSec : NULL, &cbCurrentMaxSize
#ifdef _TIMED
, NULL
#endif
);
if (phvctx->status == PAUSED)
WaitForSingleObject(phvctx->hUnpauseEvent, INFINITE);
if (phvctx->status == CANCEL_REQUESTED)
throw CanceledException();
// Part 3: Do something with the results
if (whres.dwFlags)
{
UINT cHashes = 0;
DWORD dwMatched = 0;
PTSTR pszActual = NULL;
#define HASH_VERIFY_ONE_HASH_op(alg) \
if (whres.dwFlags & WHEX_CHECK##alg) \
{ \
cHashes++; \
if (! dwMatched) \
{ \
pszActual = whres.szHex##alg; \
if (StrCmpI(pItem->pszExpected, pszActual) == 0) \
dwMatched = WHEX_CHECK##alg; \
} \
}
FOR_EACH_HASH(HASH_VERIFY_ONE_HASH_op)
assert(cHashes > 0); // should always be true since whres.dwFlags > 0
assert(pszActual);
if (dwMatched)
{
pItem->uStatusID = HV_STATUS_MATCH;
StringCbCopy(pItem->szActual, sizeof(pItem->szActual), pszActual);
if (cHashes > 1 && phvctx->whctxFlags != dwMatched)
phvctx->whctxFlags = dwMatched;
}
else
{
pItem->uStatusID = HV_STATUS_MISMATCH;
if (cHashes == 1)
StringCbCopy(pItem->szActual, sizeof(pItem->szActual), pszActual);
}
}
else
{
pItem->uStatusID = HV_STATUS_UNREADABLE;
}
// Part 4: Update the UI
++phvctx->cSentMsgs;
PostMessage(phvctx->hWnd, HM_WORKERTHREAD_UPDATE, (WPARAM)phvctx, (LPARAM)pItem);
};
try
{
#ifdef USE_PPL
if (bMultithreaded)
concurrency::parallel_for_each(phvctx->index, phvctx->index + phvctx->cTotal, per_file_worker);
else
#endif
std::for_each(phvctx->index, phvctx->index + phvctx->cTotal, per_file_worker);
}
catch (CanceledException) {} // ignore cancellation requests
#ifdef USE_PPL
if (bMultithreaded)
{
for (void* pBuffer : vecBuffers)
VirtualFree(pBuffer, 0, MEM_RELEASE);
DeleteCriticalSection(&updateCritSec);
}
else
#endif
VirtualFree(pbTheBuffer, 0, MEM_RELEASE);
// Play a sound to signal the normal, successful termination of operations,
// but exempt operations that were nearly instantaneous
if (phvctx->cTotal && GetTickCount() - phvctx->dwStarted >= 2000)
MessageBeep(MB_ICONASTERISK);
}
/*============================================================================*\
Dialog general
\*============================================================================*/
INT_PTR CALLBACK HashVerifyDlgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
PHASHVERIFYCONTEXT phvctx;
switch (uMsg)
{
case WM_INITDIALOG:
{
phvctx = (PHASHVERIFYCONTEXT)lParam;
// Associate the window with the context and vice-versa
phvctx->hWnd = hWnd;
SetWindowLongPtr(hWnd, DWLP_USER, (LONG_PTR)phvctx);
SetAppIDForWindow(hWnd, TRUE);
HashVerifyDlgInit(phvctx);
phvctx->pfnWorkerMain = (PFNWORKERMAIN)HashVerifyWorkerMain;
phvctx->hThread = CreateThreadCRT(NULL, phvctx);
if (!phvctx->hThread)
WorkerThreadCleanup((PCOMMONCONTEXT)phvctx);
// Initialize the summary
SendMessage(phvctx->hWndPBTotal, PBM_SETRANGE32, 0, phvctx->cTotal);
HashVerifyUpdateSummary(phvctx, NULL);
return(TRUE);
}
case WM_DESTROY:
{
SetAppIDForWindow(hWnd, FALSE);
break;
}
case WM_ENDSESSION:
{
if (wParam == FALSE) // if TRUE, fall through to WM_CLOSE
break;
}
case WM_CLOSE:
{
phvctx = (PHASHVERIFYCONTEXT)GetWindowLongPtr(hWnd, DWLP_USER);
goto cleanup_and_exit;
}
case WM_COMMAND:
{
phvctx = (PHASHVERIFYCONTEXT)GetWindowLongPtr(hWnd, DWLP_USER);
switch (LOWORD(wParam))
{
case IDC_PAUSE:
{
WorkerThreadTogglePause((PCOMMONCONTEXT)phvctx);
return(TRUE);
}
case IDC_STOP:
{
WorkerThreadStop((PCOMMONCONTEXT)phvctx);
return(TRUE);
}
case IDC_EXIT:
{
cleanup_and_exit:
phvctx->dwFlags |= HCF_EXIT_PENDING;
WorkerThreadStop((PCOMMONCONTEXT)phvctx);
WorkerThreadCleanup((PCOMMONCONTEXT)phvctx);
EndDialog(hWnd, 0);
break;
}
}
break;
}
case WM_NOTIFY:
{
LPNMHDR pnm = (LPNMHDR)lParam;
if (pnm && pnm->idFrom == IDC_LIST)
{
phvctx = (PHASHVERIFYCONTEXT)GetWindowLongPtr(hWnd, DWLP_USER);
switch (pnm->code)
{
case LVN_GETDISPINFO:
{
HashVerifyListInfo(phvctx, (LPNMLVDISPINFO)lParam);
return(TRUE);
}
case NM_CUSTOMDRAW:
{
SetWindowLongPtr(hWnd, DWLP_MSGRESULT, HashVerifySetColor(phvctx, (LPNMLVCUSTOMDRAW)lParam));
return(TRUE);
}
case LVN_ODFINDITEM:
{
SetWindowLongPtr(hWnd, DWLP_MSGRESULT, HashVerifyFindItem(phvctx, (LPNMLVFINDITEM)lParam));
return(TRUE);
}
case LVN_COLUMNCLICK:
{
HashVerifySortColumn(phvctx, (LPNMLISTVIEW)lParam);
return(TRUE);
}
case LVN_ITEMCHANGED:
{
if (((LPNMLISTVIEW)lParam)->uChanged & LVIF_STATE)
phvctx->bFreshStates = FALSE;
break;
}
case LVN_ODSTATECHANGED:
{
phvctx->bFreshStates = FALSE;
break;
}
}
}
break;
}
case WM_TIMER:
{
// Vista: Workaround to fix their buggy progress bar
KillTimer(hWnd, TIMER_ID_PAUSE);
phvctx = (PHASHVERIFYCONTEXT)GetWindowLongPtr(hWnd, DWLP_USER);
if (phvctx->status == PAUSED)
SetProgressBarPause((PCOMMONCONTEXT)phvctx, PBST_PAUSED);
return(TRUE);
}
case HM_WORKERTHREAD_DONE:
{
phvctx = (PHASHVERIFYCONTEXT)wParam;
WorkerThreadCleanup((PCOMMONCONTEXT)phvctx);
return(TRUE);
}
case HM_WORKERTHREAD_UPDATE:
{
phvctx = (PHASHVERIFYCONTEXT)wParam;
++phvctx->cHandledMsgs;
HashVerifyUpdateSummary(phvctx, (PHASHVERIFYITEM)lParam);
return(TRUE);
}
case HM_WORKERTHREAD_SETSIZE:
{
phvctx = (PHASHVERIFYCONTEXT)wParam;
assert(lParam >= 0 && (UINT)lParam < phvctx->cTotal);
if (phvctx->index[lParam]->bBeenSeen)
ListView_RedrawItems(phvctx->hWndList, lParam, lParam);
return(TRUE);
}
}
return(FALSE);
}
VOID WINAPI HashVerifyDlgInit( PHASHVERIFYCONTEXT phvctx )
{
HWND hWnd = phvctx->hWnd;
UINT i;
// Load strings
{
static const UINT16 arStrMap[][2] =
{
{ IDC_SUMMARY, IDS_HV_SUMMARY },
{ IDC_MATCH_LABEL, IDS_HV_MATCH },
{ IDC_MISMATCH_LABEL, IDS_HV_MISMATCH },
{ IDC_UNREADABLE_LABEL, IDS_HV_UNREADABLE },
{ IDC_PENDING_LABEL, IDS_HV_PENDING },
{ IDC_PAUSE, IDS_HV_PAUSE },
{ IDC_STOP, IDS_HV_STOP },
{ IDC_EXIT, IDS_HV_EXIT }
};
for (i = 0; i < countof(arStrMap); ++i)
SetControlText(hWnd, arStrMap[i][0], arStrMap[i][1]);
}
// Set the window icon and title
{
PTSTR pszFileName = StrRChr(phvctx->pszPath, NULL, TEXT('\\'));
if (!(pszFileName && *++pszFileName))
pszFileName = phvctx->pszPath;
SendMessage(
hWnd,
WM_SETTEXT,
0,
(LPARAM)pszFileName
);
SendMessage(
hWnd,
WM_SETICON,
ICON_BIG, // No need to explicitly set the small icon
(LPARAM)LoadIcon(g_hModThisDll, MAKEINTRESOURCE(IDI_FILETYPE))
);
}
// Initialize the list box
{
typedef struct {
UINT16 iStringID;
UINT16 iAlign;
UINT16 iWidth;
} COLINFO, *PCOLINFO;
static const COLINFO arCols[] =
{
{ IDS_HV_COL_FILENAME, LVCFMT_LEFT, 245 },
{ IDS_HV_COL_SIZE, LVCFMT_RIGHT, 64 },
{ IDS_HV_COL_STATUS, LVCFMT_CENTER, 64 },
{ IDS_HV_COL_EXPECTED, LVCFMT_CENTER, 0 },
{ IDS_HV_COL_ACTUAL, LVCFMT_CENTER, 0 },
};
// We will be using the list window handle a lot throughout HashVerify,
// so we should cache it to reduce the number of lookups
phvctx->hWndList = GetDlgItem(hWnd, IDC_LIST);
for (i = 0; i < countof(arCols); ++i)
{
TCHAR szBuffer[MAX_STRINGRES];
LVCOLUMN lvc;
RECT rc;
LoadString(g_hModThisDll, arCols[i].iStringID, szBuffer, countof(szBuffer));
rc.left = arCols[i].iWidth;
if (rc.left == 0)
{
if (phvctx->whctxFlags & WHEX_ALL512)
rc.left = 512 + 20;
else if (phvctx->whctxFlags & WHEX_ALL256)
rc.left = 256 + 20;
else if (phvctx->whctxFlags & WHEX_ALL160)
rc.left = 160 + 20;
else if (phvctx->whctxFlags & WHEX_ALL128)
rc.left = 128 + 20;
else if (phvctx->whctxFlags & WHEX_ALL32)
rc.left = 32 + 20 + 40; // extra size to accommodate the header labels
}
MapDialogRect(hWnd, &rc);
lvc.mask = LVCF_FMT | LVCF_TEXT | LVCF_WIDTH;
lvc.fmt = arCols[i].iAlign;
lvc.cx = rc.left;
lvc.pszText = szBuffer;
ListView_InsertColumn(phvctx->hWndList, i, &lvc);
}
ListView_SetExtendedListViewStyle(phvctx->hWndList, LISTVIEW_EXSTYLES);
ListView_SetItemCount(phvctx->hWndList, phvctx->cTotal);
// Use the new-fangled list view style for Vista
if (g_uWinVer >= 0x0600)
SetWindowTheme(phvctx->hWndList, L"Explorer", NULL);
phvctx->sort.iColumn = -1;
}
// Initialize the status strings
{
UINT i;
for (i = 1; i <= 3; ++i)
{
LoadString(
g_hModThisDll,
i + (IDS_HV_STATUS_MATCH - 1),
phvctx->szStatus[i],
countof(phvctx->szStatus[i])
);
}
}
// Initialize miscellaneous stuff
{
phvctx->uMaxBatch = (phvctx->cTotal < (0x20 << 8)) ? 0x20 : phvctx->cTotal >> 8;
phvctx->dwStarted = 0;
phvctx->hThread = NULL;
phvctx->hUnpauseEvent = NULL;
}
}
/*============================================================================*\
Dialog status
\*============================================================================*/
VOID WINAPI HashVerifyUpdateSummary( PHASHVERIFYCONTEXT phvctx, PHASHVERIFYITEM pItem )
{
HWND hWnd = phvctx->hWnd;
TCHAR szFormat[MAX_STRINGRES], szBuffer[MAX_STRINGMSG];