windows-nt/Source/XPSP1/NT/inetsrv/iis/utils/pwalker/pwalker.c
2020-09-26 16:20:57 +08:00

887 lines
21 KiB
C

#include "pwalker.h"
#pragma hdrstop
#include "resource.h"
#define DLG_MSG(hwnd, message, fn) \
case (message): return (BOOL) HANDLE_##message((hwnd), (wParam), (lParam), (fn))
#define WPPS WritePrivateProfileString
#define GPPI GetPrivateProfileInt
#define Clear(x) memset(&x, 0, sizeof(x))
#define DUMP_WINDOW_EXTRA 16
#define GET_DUMP_PROCESS(hwnd) (HANDLE) GetWindowLong(hwnd, 0)
#define GET_DUMP_START(hwnd) GetWindowLong(hwnd, 4)
#define GET_DUMP_END(hwnd) GetWindowLong(hwnd, 8)
#define GET_DUMP_OFFSET(hwnd) GetWindowLong(hwnd, 12)
#define GET_DUMP_CY(hwnd) GetWindowLong(hwnd, 16)
#define SET_DUMP_PROCESS(hwnd, x) SetWindowLong(hwnd, 0, (DWORD) x)
#define SET_DUMP_START(hwnd, x) SetWindowLong(hwnd, 4, x)
#define SET_DUMP_END(hwnd, x) SetWindowLong(hwnd, 8, x)
#define SET_DUMP_OFFSET(hwnd, x) SetWindowLong(hwnd, 12, x)
#define SET_DUMP_CY(hwnd, x) SetWindowLong(hwnd, 16, x)
#define IDC_STATUS 8888
// Type definitions for pointers to call tool help functions.
typedef BOOL (WINAPI *MODULEWALK)(HANDLE hSnapshot, LPMODULEENTRY32 lpme);
typedef BOOL (WINAPI *THREADWALK)(HANDLE hSnapshot, LPTHREADENTRY32 lpte);
typedef BOOL (WINAPI *PROCESSWALK)(HANDLE hSnapshot, LPPROCESSENTRY32 lppe);
typedef HANDLE (WINAPI *CREATESNAPSHOT)(DWORD dwFlags, DWORD th32ProcessID);
//
// global variables
//
static CREATESNAPSHOT pCreateToolhelp32Snapshot = NULL;
static MODULEWALK pModule32First = NULL;
static MODULEWALK pModule32Next = NULL;
static PROCESSWALK pProcess32First = NULL;
static PROCESSWALK pProcess32Next = NULL;
static THREADWALK pThread32First = NULL;
static THREADWALK pThread32Next = NULL;
static HINSTANCE ghInstance = NULL;
static HWND ghwndProcesses = NULL;
static HWND ghwndMemory = NULL;
static HWND ghwndStatus = NULL;
static HCURSOR ghWait = NULL;
static BOOL gfToolhelp = FALSE;
static HANDLE ghSnapshot = NULL;
static HANDLE ghTargetProcess = NULL;
static HWND ghwndDump = NULL;
static UINT um_dump = 0;
static DWORD gcyLine = 0;
static char gszIniFile[] = "pwalker.ini";
static char gszPreferences[] = "Preferences";
static char gszDialogX[] = "X";
static char gszDialogY[] = "Y";
static char gszDumpWindowClass[] = "Dump Window";
static char gszDumpX[] = "Dump X";
static char gszDumpY[] = "Dump Y";
static char gszDumpCX[] = "DumpCX";
static char gszDumpCY[] = "DumpCY";
//
// forward functions declarations
//
BOOL CALLBACK main_dlgproc( HWND, UINT, WPARAM, LPARAM );
void main_OnCommand( HWND, UINT, HWND, UINT );
LONG main_OnNotify( HWND, int, LPNMHDR );
BOOL main_OnInitDialog( HWND, HWND, LPARAM );
void main_OnClose( HWND );
void main_OnDestroy( HWND );
BOOL InitToolhelp32 ( void );
void WalkProcesses( void );
void WalkProcess( void );
void DumpProcessMemory( void );
LRESULT CALLBACK dump_wndproc( HWND, UINT, WPARAM, LPARAM );
int ListView_GetFocusItem( HWND );
DWORD ListView_GetItemData( HWND, int );
void __cdecl PrintStatus(LPCSTR, ...);
void SaveSnapshot( HWND );
//
// main
//
int PASCAL
WinMain(HINSTANCE hInstance, HINSTANCE hPrev, LPSTR lpCmd, int nShow)
{
//
// init common controls and toolhelp
//
InitCommonControls( );
gfToolhelp = InitToolhelp32( );
um_dump = RegisterWindowMessage( "Dump!" );
ghWait = LoadCursor( NULL, IDC_WAIT );
{
TEXTMETRIC tm;
HDC hDC;
HFONT hFont;
hDC = CreateCompatibleDC( NULL );
hFont = SelectFont( hDC, GetStockFont( ANSI_FIXED_FONT ) );
GetTextMetrics( hDC, &tm );
SelectFont( hDC, hFont );
DeleteDC( hDC );
gcyLine = tm.tmHeight;
}
//
// store instance handle (we'll need it later)
//
ghInstance = hInstance;
//
// create main window (all initializations are inside WM_INITDIALOG)
//
DialogBox( hInstance, MAKEINTATOM( IDD_MAIN ), NULL, main_dlgproc );
return 0;
}
//
// main dialog window proc
//
BOOL CALLBACK
main_dlgproc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
{
switch( message ) {
DLG_MSG( hwnd, WM_COMMAND, main_OnCommand );
DLG_MSG( hwnd, WM_NOTIFY, main_OnNotify );
DLG_MSG( hwnd, WM_INITDIALOG, main_OnInitDialog );
DLG_MSG( hwnd, WM_CLOSE, main_OnClose );
DLG_MSG( hwnd, WM_DESTROY, main_OnDestroy );
}
return FALSE;
}
void
main_OnCommand( HWND hwnd, UINT id, HWND hCtl, UINT code)
{
switch( id ) {
case IDOK:
if( GetFocus( ) == ghwndProcesses ) {
WalkProcess( );
break;
}
if( GetFocus( ) == ghwndMemory ) {
DumpProcessMemory( );
}
break;
case IDM_UPDATE:
WalkProcesses( );
break;
case IDM_SAVE:
SaveSnapshot( hwnd );
break;
case IDM_EXIT:
PostMessage( hwnd, WM_CLOSE, 0, 0 );
break;
}
}
//
//
//
LONG
main_OnNotify( HWND hwnd, int id, LPNMHDR lpHdr )
{
if( lpHdr->idFrom == IDC_PROCESSES && lpHdr->code == NM_CLICK ) {
WalkProcess( );
}
if( lpHdr->idFrom == IDC_MEMORY && lpHdr->code == NM_CLICK ) {
DumpProcessMemory( );
}
return 0;
}
//
// initialize dialog box
//
BOOL
main_OnInitDialog( HWND hwnd, HWND hwndFocus, LPARAM lParam )
{
HICON hIcon;
RECT R, r, rStatus;
int x, y, cx, cy;
LV_COLUMN co;
//
//
//
hIcon = LoadIcon( ghInstance, MAKEINTATOM( IDI_MAIN ) );
SendMessage( hwnd, WM_SETICON, ICON_BIG, (LPARAM) hIcon );
// Create the status window.
ghwndStatus = CreateStatusWindow(
WS_VISIBLE | WS_CHILD | WS_BORDER,
" ", hwnd, IDC_STATUS );
SendMessage( ghwndStatus, SB_SIMPLE, TRUE, 0 );
GetWindowRect(ghwndStatus, &rStatus );
//
// position dialog
//
GetWindowRect( hwnd, &r );
GetWindowRect( GetDesktopWindow( ), &R );
x = R.left + ((R.right - R.left) - (r.right - r.left)) / 2;
y = R.top + ((R.bottom - R.top) - (r.bottom - r.top)) / 2;
x = GetPrivateProfileInt( gszPreferences, gszDialogX, x, gszIniFile);
y = GetPrivateProfileInt( gszPreferences, gszDialogY, y, gszIniFile);
cx = r.right - r.left;
cy = r.bottom - r.top + (rStatus.bottom - rStatus.top);
SetWindowPos( hwnd, NULL, x, y, cx, cy, SWP_NOZORDER);
x = rStatus.left;
y = rStatus.top + (rStatus.bottom - rStatus.top);
SetWindowPos( ghwndStatus, 0, x, y, 0, 0, SWP_NOZORDER | SWP_NOSIZE );
//
// create columns in "Processes" list control
//
ghwndProcesses = GetDlgItem( hwnd, IDC_PROCESSES );
SetWindowFont( ghwndProcesses, GetStockFont( ANSI_FIXED_FONT ), FALSE );
Clear( co );
co.mask = LVCF_FMT | LVCF_TEXT | LVCF_WIDTH;
co.fmt = LVCFMT_LEFT;
co.cx = 200;
co.pszText = "Process";
ListView_InsertColumn( ghwndProcesses, 0, &co );
co.pszText = "Total Committed";
co.cx = 200;
ListView_InsertColumn( ghwndProcesses, 1, &co );
ghwndMemory = GetDlgItem( hwnd, IDC_MEMORY );
SetWindowFont( ghwndMemory, GetStockFont( ANSI_FIXED_FONT ), FALSE );
co.cx = 100;
co.fmt = LVCFMT_RIGHT;
co.pszText = "Address";
ListView_InsertColumn( ghwndMemory, 0, &co );
co.pszText = "AllocBase";
ListView_InsertColumn( ghwndMemory, 1, &co );
co.pszText = "Size";
ListView_InsertColumn( ghwndMemory, 2, &co );
co.cx = 120;
co.fmt = LVCFMT_LEFT;
co.pszText = "Protection";
ListView_InsertColumn( ghwndMemory, 3, &co );
co.cx = 100;
co.pszText = "Type";
ListView_InsertColumn( ghwndMemory, 4, &co );
FORWARD_WM_COMMAND( hwnd, IDM_UPDATE, 0, 0, PostMessage );
SetFocus( ghwndProcesses );
return TRUE;
}
//
// just end dialog
//
void
main_OnClose( HWND hwnd )
{
EndDialog( hwnd, IDOK );
}
//
// perform any dialog cleanup
//
void
main_OnDestroy( HWND hwnd )
{
char buf[12];
RECT r;
if( IsWindow( ghwndDump ) ) {
DestroyWindow( ghwndDump );
}
if( gfToolhelp && ghTargetProcess ) {
CloseHandle( ghTargetProcess );
}
if( gfToolhelp && ghSnapshot ) {
CloseHandle( ghSnapshot );
}
//
// save dialog position
//
GetWindowRect( hwnd, &r );
wsprintf( buf, "%d", r.left );
WPPS( gszPreferences, gszDialogX, buf, gszIniFile );
wsprintf( buf, "%d", r.top );
WPPS( gszPreferences, gszDialogY, buf, gszIniFile );
}
// Function that initializes tool help functions.
BOOL InitToolhelp32 (void)
{
BOOL bRet = FALSE;
HMODULE hKernel = NULL;
// Obtain the module handle of the kernel to retrieve addresses of
// the tool helper functions.
hKernel = GetModuleHandle("KERNEL32.DLL");
if (hKernel) {
pCreateToolhelp32Snapshot =
(CREATESNAPSHOT)GetProcAddress(hKernel,
"CreateToolhelp32Snapshot");
pModule32First = (MODULEWALK)GetProcAddress(hKernel,
"Module32First");
pModule32Next = (MODULEWALK)GetProcAddress(hKernel,
"Module32Next");
pProcess32First = (PROCESSWALK)GetProcAddress(hKernel,
"Process32First");
pProcess32Next = (PROCESSWALK)GetProcAddress(hKernel,
"Process32Next");
pThread32First = (THREADWALK)GetProcAddress(hKernel,
"Thread32First");
pThread32Next = (THREADWALK)GetProcAddress(hKernel,
"Thread32Next");
// All addresses must be non-NULL to be successful.
// If one of these addresses is NULL, one of
// the needed lists cannot be walked.
bRet = pModule32First && pModule32Next && pProcess32First &&
pProcess32Next && pThread32First && pThread32Next &&
pCreateToolhelp32Snapshot;
} else {
bRet = FALSE; // could not get the module handle of kernel
}
return bRet;
}
void
WalkProcesses( void )
{
LV_ITEM li;
int item = 0;
DWORD dwTasks;
PROCESSENTRY32 pe;
HLOCAL hTaskList;
char *pszExename;
HCURSOR hCursor = SetCursor( ghWait );
Clear( pe );
pe.dwSize = sizeof( pe );
Clear( li );
li.mask = LVIF_TEXT | LVIF_PARAM;
ListView_DeleteAllItems( ghwndProcesses );
ListView_DeleteAllItems( ghwndMemory );
if( gfToolhelp ) {
if( ghSnapshot ) {
CloseHandle( ghSnapshot );
}
ghSnapshot = pCreateToolhelp32Snapshot( TH32CS_SNAPALL, 0 );
if( !ghSnapshot ) {
goto done;
}
if( pProcess32First( ghSnapshot, &pe ) ) {
do {
pszExename = strrchr( pe.szExeFile, '\\' );
if( pszExename ) {
pszExename++;
}else{
pszExename = pe.szExeFile;
}
li.pszText = pszExename;
li.lParam = pe.th32ProcessID;
ListView_InsertItem( ghwndProcesses, &li );
li.iItem = item++;
} while( pProcess32Next( ghSnapshot, &pe ) );
}
}else{
hTaskList = GetLocalTaskListNt( &dwTasks );
for( li.iItem = 0; li.iItem < (int) dwTasks; li.iItem++ ) {
GetLocalTaskNameNt( hTaskList, li.iItem,
pe.szExeFile, sizeof( pe.szExeFile ) );
pszExename = strrchr( pe.szExeFile, '\\' );
if( pszExename ) {
pszExename++;
}else{
pszExename = pe.szExeFile;
}
li.pszText = pszExename;
li.lParam = GetLocalTaskProcessIdNt( hTaskList, li.iItem);
ListView_InsertItem( ghwndProcesses, &li );
}
FreeLocalTaskListNt( hTaskList );
}
done:
SetFocus( ghwndProcesses );
SetCursor( hCursor );
return ;
}
void
WalkProcess( void )
{
MEMORY_BASIC_INFORMATION bi;
VOID * lpAddress;
LV_ITEM li;
int item;
char buf[32];
DWORD dwProcess;
HCURSOR hCursor = SetCursor( ghWait );
item = ListView_GetFocusItem( ghwndProcesses );
if( ghTargetProcess && gfToolhelp ) {
CloseHandle( ghTargetProcess );
}
dwProcess = ListView_GetItemData( ghwndProcesses, item );
__try {
ghTargetProcess = OpenProcess(
PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
FALSE, dwProcess );
} __except( EXCEPTION_EXECUTE_HANDLER ) {
PrintStatus( "Failure to open process %x (%d)",
dwProcess, GetLastError() );
}
SetWindowRedraw( ghwndMemory, FALSE );
Clear( bi );
Clear( li );
lpAddress = NULL;
ListView_DeleteAllItems( ghwndMemory );
__try {
while( VirtualQueryEx( ghTargetProcess, lpAddress, &bi, sizeof( bi ) ) ) {
lpAddress = (PVOID)((DWORD) lpAddress + bi.RegionSize );
if( bi.State != MEM_COMMIT ) {
continue;
}
li.iSubItem = 0;
li.mask = LVIF_TEXT | LVIF_PARAM;
wsprintf( buf, "%08x", bi.BaseAddress );
li.pszText = buf;
li.lParam = (DWORD) bi.BaseAddress;
ListView_InsertItem( ghwndMemory, &li );
li.iSubItem = 1;
li.mask = LVIF_TEXT;
wsprintf( buf, "%08x", bi.AllocationBase );
li.pszText = buf;
ListView_SetItem( ghwndMemory, &li );
li.iSubItem = 2;
wsprintf( buf, "%d", bi.RegionSize );
li.pszText = buf;
ListView_SetItem( ghwndMemory, &li );
li.iSubItem = 3;
buf[0] = '\0';
if( (bi.Protect & PAGE_NOACCESS) == PAGE_NOACCESS ) {
strcat( buf, "NOACCESS " );
}
if( (bi.Protect & PAGE_READONLY) == PAGE_READONLY ) {
strcat( buf, "RO " );
}
if( (bi.Protect & PAGE_READWRITE) == PAGE_READWRITE ) {
strcat( buf, "RW " );
}
if( (bi.Protect & PAGE_WRITECOPY) == PAGE_WRITECOPY ) {
strcat( buf, "WC " );
}
if( (bi.Protect & PAGE_EXECUTE) == PAGE_EXECUTE ) {
strcat( buf, "X " );
}
if( (bi.Protect & PAGE_EXECUTE_READ) == PAGE_EXECUTE_READ ) {
strcat( buf, "XR " );
}
if( (bi.Protect & PAGE_EXECUTE_READWRITE) ==
PAGE_EXECUTE_READWRITE ) {
strcat( buf, "XRW " );
}
if( (bi.Protect & PAGE_EXECUTE_WRITECOPY) ==
PAGE_EXECUTE_WRITECOPY ) {
strcat( buf, "XWC " );
}
if( (bi.Protect & PAGE_GUARD) == PAGE_GUARD ) {
strcat( buf, "Guard " );
}
if( (bi.Protect & PAGE_NOCACHE) == PAGE_NOCACHE ) {
strcat( buf, "Nc " );
}
li.pszText = buf;
ListView_SetItem( ghwndMemory, &li );
li.iSubItem = 4;
switch( bi.Type ) {
case MEM_IMAGE:
li.pszText = "Image";
break;
case MEM_MAPPED:
li.pszText = "Mapped";
break;
case MEM_PRIVATE:
li.pszText = "Private";
break;
default:
li.pszText = "Bogus";
break;
}
ListView_SetItem( ghwndMemory, &li );
li.iItem++;
}
} __except( EXCEPTION_EXECUTE_HANDLER ) {
PrintStatus( "Failure in VirtualQueryEx (%d)", GetLastError() );
}
SetWindowRedraw( ghwndMemory, TRUE );
InvalidateRect( ghwndMemory, NULL, TRUE );
UpdateWindow( ghwndMemory );
SetCursor( hCursor );
}
//
//
//
void
DumpProcessMemory( )
{
WNDCLASS wc;
int x,y,cx,cy;
int item;
DWORD dwAddress;
HCURSOR hCursor = SetCursor( ghWait );
item = ListView_GetFocusItem( ghwndMemory );
dwAddress = ListView_GetItemData( ghwndMemory, item );
if( !GetClassInfo( ghInstance, gszDumpWindowClass, &wc ) ) {
Clear( wc );
wc.hInstance = ghInstance;
wc.lpfnWndProc = dump_wndproc;
wc.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1);
wc.hIcon = LoadIcon( ghInstance, MAKEINTATOM( IDI_DUMP ) );
wc.hCursor = LoadCursor( NULL, IDC_ARROW );
wc.cbWndExtra = DUMP_WINDOW_EXTRA;
wc.lpszClassName = gszDumpWindowClass;
if(!RegisterClass( &wc ) ) {
PrintStatus( "Failure to register dump window class" );
goto done;
}
}
if( !IsWindow( ghwndDump ) ) {
x = y = cx = cy = CW_USEDEFAULT;
x = GPPI( gszPreferences, gszDumpX, x, gszIniFile );
y = GPPI( gszPreferences, gszDumpY, y, gszIniFile );
cx = GPPI( gszPreferences, gszDumpCX, cx, gszIniFile );
cy = GPPI( gszPreferences, gszDumpCY, cy, gszIniFile );
ghwndDump = CreateWindow( gszDumpWindowClass, "",
WS_OVERLAPPEDWINDOW | WS_VSCROLL,
x, y, cx, cy, NULL, NULL, ghInstance, NULL );
if( ghwndDump ) {
SendMessage( ghwndDump, um_dump,
(WPARAM) ghTargetProcess, (LPARAM) dwAddress );
ShowWindow( ghwndDump, SW_SHOW );
UpdateWindow( ghwndDump );
}else{
PrintStatus( "Error: %d", GetLastError() );
}
}else{
SendMessage( ghwndDump, um_dump,
(WPARAM) ghTargetProcess, (LPARAM) dwAddress );
}
done:
SetCursor( hCursor );
}
BOOL
dump_OnCreate( HWND hwnd, LPCREATESTRUCT lpCreate )
{
SetScrollRange( hwnd, SB_VERT, 0, 100, FALSE );
SetScrollPos( hwnd, SB_VERT, 0, TRUE );
return TRUE;
}
void
dump_OnDestroy( HWND hwnd )
{
RECT r;
char buf[32];
GetWindowRect( hwnd, &r );
wsprintf( buf, "%d", r.left );
WPPS( gszPreferences, gszDumpX, buf, gszIniFile );
wsprintf( buf, "%d", r.top );
WPPS( gszPreferences, gszDumpY, buf, gszIniFile );
wsprintf( buf, "%d", r.right - r.left );
WPPS( gszPreferences, gszDumpCX, buf, gszIniFile );
wsprintf( buf, "%d", r.bottom - r.top );
WPPS( gszPreferences, gszDumpCY, buf, gszIniFile );
}
void
dump_OnPaint( HWND hwnd )
{
PAINTSTRUCT ps;
HFONT hFont;
RECT r;
int line, byte, nLines;
char buf[1024];
BYTE mem[18];
char *p = buf;
DWORD dwOffset = GET_DUMP_OFFSET( hwnd );
DWORD dwEnd = GET_DUMP_END( hwnd );
DWORD dwRead;
HANDLE hProcess = GET_DUMP_PROCESS( hwnd );
BeginPaint( hwnd, &ps );
hFont = SelectFont( ps.hdc, GetStockObject( ANSI_FIXED_FONT ) );
GetClientRect( hwnd, &r );
nLines = (r.bottom - r.top) / gcyLine;
for( line = 0; line < nLines; line++ ) {
Clear( mem );
__try {
ReadProcessMemory( hProcess, (PVOID) dwOffset, mem, 16, &dwRead );
} __except( EXCEPTION_EXECUTE_HANDLER ) {
strcpy( mem, "????????????????");
}
wsprintf(buf, "%08x ", dwOffset);
p = buf + 9;
for(byte = 0; byte < 16; byte++ ) {
wsprintf( p, "%02x ", mem[byte] );
p += (byte == 7) ? 4 : 3;
}
for( byte = 0; byte < 16; byte++ ) {
if( mem[byte] >= ' ' ) {
p[byte] = mem[byte];
}else{
p[byte] = ' ';
}
}
p[16] = '\0';
TextOut( ps.hdc, 0, line * gcyLine, buf, strlen( buf ) );
dwOffset += 16;
if( dwOffset > dwEnd) {
break;
}
}
SelectFont( ps.hdc, hFont );
EndPaint( hwnd, &ps );
}
void
dump_OnVScroll(HWND hwnd, HWND hwndCtl, UINT code, int pos)
{
DWORD dwOffset = GET_DUMP_OFFSET( hwnd );
DWORD dwStart = GET_DUMP_START( hwnd );
DWORD dwEnd = GET_DUMP_END( hwnd );
RECT r, ri;
DWORD cyLines, Line, maxLine, newLine;
GetClientRect( hwnd, &r );
r.bottom -= (r.bottom - r.top) % gcyLine;
cyLines = (r.bottom - r.top) / gcyLine;
Line = (dwOffset - dwStart ) / 16;
maxLine = ( dwEnd - dwStart ) / 16 - cyLines;
switch( code ) {
case SB_TOP:
newLine = 0;
break;
case SB_BOTTOM:
newLine = maxLine;
break;
case SB_PAGEUP:
newLine = max( Line - cyLines + 1, 0 );
break;
case SB_PAGEDOWN:
newLine = min( Line + cyLines - 1, maxLine );
break;
case SB_LINEUP:
newLine = max( 0, Line - 1 );
break;
case SB_LINEDOWN:
newLine = min( Line + 1, maxLine );
break;
case SB_THUMBPOSITION:
case SB_THUMBTRACK:
newLine = MulDiv( pos, maxLine, 100 );
break;
default:
goto done;
}
SET_DUMP_OFFSET( hwnd, dwStart + newLine * 16 );
pos = MulDiv(newLine, 100, maxLine );
SetScrollPos( hwnd, SB_VERT, pos, TRUE );
ScrollWindowEx( hwnd, 0, ( Line - newLine ) * gcyLine,
NULL, &r, NULL, &ri, SW_INVALIDATE );
InvalidateRect( hwnd, &ri, TRUE );
done:
UpdateWindow( hwnd );
}
void
dump_OnSize( HWND hwnd, int state, int cx, int cy )
{
InvalidateRect( hwnd, NULL, TRUE );
UpdateWindow( hwnd );
}
void
dump_OnKey(HWND hwnd, UINT vk, BOOL fDown, int cRepeat, UINT flags)
{
switch( vk ) {
case VK_DOWN:
FORWARD_WM_VSCROLL( hwnd, NULL, SB_LINEDOWN, 0, PostMessage );
break;
case VK_UP:
FORWARD_WM_VSCROLL( hwnd, NULL, SB_LINEUP, 0, PostMessage );
break;
case VK_PRIOR:
FORWARD_WM_VSCROLL( hwnd, NULL, SB_PAGEUP, 0, PostMessage );
break;
case VK_NEXT:
case ' ':
FORWARD_WM_VSCROLL( hwnd, NULL, SB_PAGEDOWN, 0, PostMessage );
break;
case VK_HOME:
FORWARD_WM_VSCROLL( hwnd, NULL, SB_TOP, 0, PostMessage );
break;
case VK_END:
FORWARD_WM_VSCROLL( hwnd, NULL, SB_BOTTOM, 0, PostMessage );
break;
case VK_ESCAPE:
PostMessage( hwnd, WM_CLOSE, 0, 0 );
break;
}
}
//
// dump window proc
//
LRESULT CALLBACK
dump_wndproc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
{
switch( message ) {
HANDLE_MSG( hwnd, WM_CREATE, dump_OnCreate );
HANDLE_MSG( hwnd, WM_DESTROY, dump_OnDestroy );
HANDLE_MSG( hwnd, WM_PAINT, dump_OnPaint );
HANDLE_MSG( hwnd, WM_VSCROLL, dump_OnVScroll );
HANDLE_MSG( hwnd, WM_SIZE, dump_OnSize );
HANDLE_MSG( hwnd, WM_KEYDOWN, dump_OnKey );
default:
if( message == um_dump ) {
char buf[80];
MEMORY_BASIC_INFORMATION bi;
HANDLE hProcess = (HANDLE) wParam;
DWORD dwOffset = (DWORD) lParam;
wsprintf( buf, "Process %x at %x", wParam, lParam );
SetWindowText( hwnd, buf );
SetScrollPos( hwnd, SB_VERT, 0, TRUE );
InvalidateRect( hwnd, NULL, TRUE );
Clear( bi );
if(! VirtualQueryEx( hProcess, (PVOID) dwOffset,
&bi, sizeof( bi ) ) ) {
PrintStatus( "Error: %d", GetLastError() );
}
SET_DUMP_PROCESS( hwnd, hProcess );
SET_DUMP_START( hwnd, (DWORD) bi.BaseAddress );
SET_DUMP_END( hwnd, (DWORD) bi.BaseAddress + bi.RegionSize );
SET_DUMP_OFFSET( hwnd, (DWORD) bi.BaseAddress );
}
}
return DefWindowProc( hwnd, message, wParam, lParam );
}
//
// returns the number of the item which has focus or -1
//
int ListView_GetFocusItem( HWND hwnd )
{
int cItems = ListView_GetItemCount( hwnd );
int item;
for( item = 0; item < cItems; item++ ) {
if( ListView_GetItemState( hwnd, item, LVIS_FOCUSED ) ) {
return item;
}
}
return -1;
}
//
// returns .lParam of the specified item or -1
//
DWORD ListView_GetItemData( HWND hwnd, int item)
{
LV_ITEM li;
if( item != -1 ) {
Clear( li );
li.mask = LVIF_PARAM;
li.iItem = item;
if( ListView_GetItem( hwnd, &li ) ) {
return li.lParam;
}
}
return (DWORD) -1;
}
//
// formats message to status bar
//
void __cdecl
PrintStatus(LPCSTR fmt, ...)
{
char buf[4096];
va_list marker;
va_start( marker, fmt );
wvsprintf( buf, fmt, marker );
va_end( marker );
SendMessage( ghwndStatus, SB_SETTEXT, 0, (LPARAM) buf );
}
//
//
//
void SaveSnapshot( HWND hwnd )
{
}