Source code of Windows XP (NT5)
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16 KiB

#include "precomp.h"
#pragma hdrstop
extern "C"
{
#include <stdexts.h>
#include <winuserp.h>
#include <wowuserp.h>
#include <psapi.h>
};
typedef struct _LARGE_UNICODE_STRING {
ULONG Length;
ULONG MaximumLength : 31;
ULONG bAnsi : 1;
void *Buffer; // kernel-sized pointer
} LARGE_UNICODE_STRING, *PLARGE_UNICODE_STRING;
typedef struct tagWND : public WW
{
tagWND* spwndNext;
tagWND* spwndPrev;
tagWND* spwndParent;
tagWND* spwndChild;
tagWND* spwndOwner;
RECT rcWindow;
RECT rcClient;
WNDPROC lpfnWndProc;
void* pcls;
HRGN hrgnUpdate; // kernel-sized pointer
void* ppropList;
void* pSBInfo;
HMENU spmenuSys;
HMENU spmenu;
HRGN hrgnClip;
LARGE_UNICODE_STRING strName;
int cbWndExtra;
void* spwndLastActive;
void* hImc; // kernel-sized pointer
void* dwUserData; // kernel-sized pointer
void* pActCtx;
} WND, *PWND;
BOOL CALLBACK PropEnumProc(HWND hwnd, LPCSTR lpszString, HANDLE hData)
{
if (IS_INTRESOURCE(lpszString))
{
Print("Prop 0x%04x = 0x%08x\n", lpszString, hData);
}
else
{
Print("Prop \"%s\" = 0x%08x\n", lpszString, hData);
}
return TRUE;
}
void DumpWindowBytes(HWND hwnd)
{
PWND pwnd = (PWND)GetWindowLongPtr(hwnd, GWLP_WOWWORDS);
if (pwnd)
{
Print("cbWndExtra=%d\n", pwnd->cbWndExtra);
// USER tries to hide GetWindowLong from out-of-process apps
// so we have to grovel it manually.
LONG_PTR *rglp = (LONG_PTR*)(pwnd+1);
for (int i = 0; i < pwnd->cbWndExtra; i += sizeof(LONG_PTR))
{
LONG_PTR lp = *(LONG_PTR*)((LPBYTE)(pwnd+1) + i);
Print("%8d = 0x%p\n", i, lp);
}
}
Print("UserData = 0x%p\n", pwnd->dwUserData);
}
void DumpMiscWindowInfo(HWND hwnd, char *szBuf)
{
Print("\n"
"GetClipboardOwner() = 0x%p\n", GetClipboardOwner());
Print("GetClipboardViewer() = 0x%p\n", GetClipboardViewer());
Print("GetOpenClipboardWindow() = 0x%p\n", GetOpenClipboardWindow());
Print("GetActiveWindow() = 0x%p\n", GetActiveWindow());
Print("GetFocus() = 0x%p\n", GetFocus());
Print("GetCapture() = 0x%p\n", GetCapture());
Print("GetForegroundWindow() = 0x%p\n", GetForegroundWindow());
Print("GetWindowContextHelpId() = 0x%p\n", GetWindowContextHelpId(hwnd));
Print("GetDesktopWindow() = 0x%p\n", GetDesktopWindow());
Print("GetLastActivePopup() = 0x%p\n", GetLastActivePopup(hwnd));
if (GetWindowModuleFileNameA(hwnd, szBuf, MAX_PATH))
{
Print("GetWindowModuleFileName()= %s\n", szBuf);
}
DWORD pid;
if (GetWindowThreadProcessId(hwnd, &pid))
{
HANDLE h = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pid);
if (h)
{
if (GetModuleFileNameExA(h, NULL, szBuf, MAX_PATH))
{
Print("Process = %s\n", szBuf);
}
CloseHandle(h);
}
}
}
extern "C" BOOL Ihwnd(DWORD dwOpts,
LPVOID pArg )
{
HWND hwnd = (HWND)pArg;
char szBuf[MAX_PATH];
RECT rc;
if (hwnd == 0)
hwnd = GetDesktopWindow();
Print("Window 0x%08x ", hwnd);
if (!IsWindow(hwnd))
{
Print("*** NOT A WINDOW HANDLE\n");
return TRUE;
}
if (dwOpts & OFLAG(m))
{
DumpMiscWindowInfo(hwnd, szBuf);
return TRUE;
}
GetWindowTextA(hwnd, szBuf, ARRAYSIZE(szBuf));
Print("\"%s\" ", szBuf);
GetClassNameA(hwnd, szBuf, ARRAYSIZE(szBuf));
Print("(%s)", szBuf);
if (IsWindowUnicode(hwnd)) {
Print(" UNICODE\n");
} else {
Print(" ANSI\n");
}
if ( dwOpts & OFLAG(p) )
{
EnumPropsA(hwnd, PropEnumProc);
Print("End of property list\n");
return TRUE;
}
if ( dwOpts & OFLAG(b) )
{
DumpWindowBytes(hwnd);
return TRUE;
}
Print(" N=0x%08x C=0x%08x P=0x%08x O=0x%08x\n",
GetWindow(hwnd, GW_HWNDNEXT),
GetWindow(hwnd, GW_CHILD),
GetAncestor(hwnd, GA_PARENT),
GetWindow(hwnd, GW_OWNER));
GetWindowRect(hwnd, &rc);
Print(" W=(%d,%d)-(%d,%d) %dx%d ",
rc.left, rc.top,
rc.right, rc.bottom,
rc.right - rc.left,
rc.bottom - rc.top);
GetClientRect(hwnd, &rc);
Print(" C=(%d,%d)-(%d,%d) %dx%d\n",
rc.left, rc.top,
rc.right, rc.bottom,
rc.right - rc.left,
rc.bottom - rc.top);
DWORD dwPid = 0;
DWORD dwTid = GetWindowThreadProcessId(hwnd, &dwPid);
Print(" pid.tid=0x%x.0x%x hinst=0x%p ", dwPid, dwTid,
GetWindowLongPtr(hwnd, GWLP_HINSTANCE));
// Now the evil part: Getting the wndproc...
PWND pwnd = (PWND)GetWindowLongPtr(hwnd, GWLP_WOWWORDS);
if (pwnd)
{
Print("wp=0x%p", pwnd->lpfnWndProc);
}
Print("\n");
Print(" style-0x%08x exstyle=0x%08x\n",
GetWindowLong(hwnd, GWL_STYLE),
GetWindowLong(hwnd, GWL_EXSTYLE));
return TRUE;
}
/***********************************************************************/
extern "C" BOOL Ihmenu(DWORD dwOpts,
LPVOID pArg )
{
HMENU hmenu = (HMENU)pArg;
char szBuf[MAX_PATH];
RECT rc;
Print("Menu 0x%08x ", hmenu);
if (!IsMenu(hmenu))
{
Print("*** NOT A MENU HANDLE\n");
return TRUE;
}
UINT cItems = GetMenuItemCount(hmenu);
Print("%d items\n", cItems);
UINT uiPosDefault = GetMenuDefaultItem(hmenu, TRUE, GMDI_USEDISABLED);
for (UINT ui = 0; !IsCtrlCHit() && ui < cItems; ui++)
{
MENUITEMINFOA mii = { 0 };
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_DATA | MIIM_FTYPE | MIIM_ID | MIIM_STATE |
MIIM_STRING | MIIM_SUBMENU;
mii.dwTypeData = szBuf;
mii.cch = ARRAYSIZE(szBuf);
if (GetMenuItemInfoA(hmenu, ui, TRUE, &mii))
{
Print("%2d: id=0x%04x ref=0x%p ", ui, mii.wID, mii.dwItemData);
if (mii.fType & MFT_BITMAP)
{
Print("bitmap 0x%p ", mii.dwTypeData);
}
else if (mii.fType & MFT_OWNERDRAW)
{
Print("ownerdraw 0x%p ", mii.dwTypeData);
}
else if (mii.fType & MFT_SEPARATOR)
{
Print("separator ");
}
else
{
Print("string \"%s\" ", mii.dwTypeData);
}
if (mii.fType & MFT_MENUBARBREAK)
Print("MFT_MENUBARBREAK ");
if (mii.fType & MFT_MENUBREAK)
Print("MFT_MENUBREAK ");
if (mii.fType & MFT_RADIOCHECK)
Print("MFT_RADIOCHECK ");
if (mii.fType & MFT_RIGHTJUSTIFY)
Print("MFT_RIGHTJUSTIFY ");
if (mii.fType & MFT_RIGHTORDER)
Print("MFT_RIGHTORDER ");
if (mii.fState & MFS_CHECKED)
Print("MFS_CHECKED ");
if (mii.fState & MFS_DEFAULT)
Print("MFS_DEFAULT ");
if (mii.fState & MFS_DISABLED)
Print("MFS_DISABLED ");
if (mii.fState & MFS_GRAYED)
Print("MFS_GRAYED ");
if (mii.fState & MFS_HILITE)
Print("MFS_HILITE ");
if (mii.hSubMenu)
Print("-> 0x%p ", mii.hSubMenu);
Print("\n");
}
}
return TRUE;
}
/***********************************************************************/
#include <pshpack1.h>
#define CC_BUTTON 0x80 /* Class codes */
#define CC_EDIT 0x81
#define CC_STATIC 0x82
#define CC_LISTBOX 0x83
#define CC_SCROLLBAR 0x84
#define CC_COMBOBOX 0x85
#define DS_DIALOGEX 0xFFFF0001
typedef struct DIALOGDIMEN {
WORD x;
WORD y;
WORD cx;
WORD cy;
} DIALOGDIMEN, *PDIALOGDIMEN;
typedef struct DLGFINISH { /* Common dialog finish-up */
WORD cDlgItems;
DIALOGDIMEN dd;
} DLGFINISH, *PDLGFINISH;
typedef struct DLG {
DWORD dwStyle; // or DS_DIALOGEX if DIALOGEX
DWORD dwExStyle;
DLGFINISH dlgfinish;
WORD wszMenuName[1];
/*
* wszMenuName[] -- wsz or 0x00FF followed by WORD ordinal
* wszClassName[] -- wsz or 0x00FF followed by WORD ordinal (?)
* wszTitle[] -- wsz
* if dwStyle & DS_SETFONT
* WORD wPoint; // point size
* wszFontName[] -- wsz
* endif
* followed by a packed array of DITs, each DWORD aligned
*/
} DLG, *PDLG;
typedef struct DLGEX {
WORD wDlgVer; /* Version number; always 0001 */
WORD wSignature; /* Always 0xFFFF */
DWORD dwHelpID;
DWORD dwExStyle;
DWORD dwStyle;
DLGFINISH dlgfinish;
/*
* wszMenuName[] -- wsz or 0x00FF followed by WORD ordinal
* wszClassName[] -- wsz or 0x00FF followed by WORD ordinal (?)
* wszTitle[] -- wsz
* if dwStyle & DS_SETFONT
* WORD wPoint; // point size
* WORD wWeight;
* BYTE bItalic;
* BYTE bCharSet;
* wszFontName[] -- wsz
* endif
* followed by a packed array of DITEX'es, each DWORD aligned
*/
} DLGEX, *PDLGEX;
typedef struct DIT { /* dialog item template */
DWORD dwStyle;
DWORD dwExStyle;
DIALOGDIMEN dd;
WORD wID;
/*
* wszClassName[] -- wsz or 0xFFFF followed by WORD ordinal
* wszTitle[] -- wsz
* cbExtra -- word value
*/
} DIT, *PDIT;
typedef struct DITEX {
DWORD dwHelpID;
DWORD dwExStyle;
DWORD dwStyle;
DIALOGDIMEN dd;
DWORD dwID;
/*
* wszClassName[] -- wsz or 0xFFFF followed by WORD ordinal
* wszTitle[] -- wsz
* cbExtra -- word value
*/
} DITEX, *PDITEX;
#include <poppack.h>
BOOL _MoveBlock(LPVOID pvDst, LPVOID pvSrc, DWORD cb)
{
BOOL fSuccess = tryMoveBlock(pvDst, pvSrc, cb);
if (fSuccess) return fSuccess;
Print("Error reading %d bytes from %p\n", cb, pvSrc);
return FALSE;
}
LPCSTR DlgGetClassName(WORD wClass)
{
switch (wClass) { /* Handle internal class types */
case CC_BUTTON: return "button";
case CC_EDIT: return "edit";
case CC_STATIC: return "static";
case CC_LISTBOX: return "listbox";
case CC_SCROLLBAR: return "scrollbar";
case CC_COMBOBOX: return "combobox";
default: return "<unknown>";
}
}
typedef LPCSTR (*ORDINALRESOLVER)(WORD w);
LPBYTE DlgDumpString(LPCSTR pszField, LPBYTE pArg, ORDINALRESOLVER Resolve)
{
WCHAR wch;
Print("%s: ", pszField);
if (!_MoveBlock(&wch, pArg, sizeof(wch))) return NULL;
pArg += sizeof(wch);
if (wch == 0xFF || wch == 0xFFFF)
{
if (!_MoveBlock(&wch, pArg, sizeof(wch))) return NULL;
pArg += sizeof(wch);
LPCSTR pszOrdinal;
if (Resolve && (pszOrdinal = Resolve(wch)))
{
Print("%s\n", pszOrdinal);
}
else
{
Print("#0x%04x\n", wch);
}
return pArg;
}
Print("\"");
while (wch) {
Print("%c", wch); // truncate to ANSI, sorry
if (IsCtrlCHit()) return NULL;
if (!_MoveBlock(&wch, pArg, sizeof(wch))) return NULL;
pArg += sizeof(wch);
}
Print("\"\n");
return pArg;
}
LPBYTE DlgDwordAlign(LPBYTE pBase, LPBYTE pArg)
{
SIZE_T diff = pArg - pBase;
if (diff % 4) pArg += 4 - (diff % 4);
return pArg;
}
void DumpDialogEx(LPBYTE pArg)
{
DLGEX dlg;
LPBYTE pBase = pArg;
WORD w;
if (!_MoveBlock(&dlg, pArg, sizeof(dlg))) return;
Print(" wDlgVer = 0x%04x\n", dlg.wDlgVer);
Print(" dwStyle = 0x%08x\n", dlg.dwStyle);
Print("dwExStyle = 0x%08x\n", dlg.dwExStyle);
Print(" dwHelpID = 0x%08x\n", dlg.dwHelpID);
Print(" ( x, y) = (%3d, %3d)\n", dlg.dlgfinish.dd.x, dlg.dlgfinish.dd.y);
Print(" (cx,cy) = (%3d, %3d)\n", dlg.dlgfinish.dd.cx, dlg.dlgfinish.dd.cy);
pArg += FIELD_OFFSET(DLG, wszMenuName);
pArg = DlgDumpString("Menu", pArg, NULL);
if (!pArg) return;
pArg = DlgDumpString("Class", pArg, NULL);
if (!pArg) return;
pArg = DlgDumpString("Title", pArg, NULL);
if (!pArg) return;
if (dlg.dwStyle & DS_SETFONT)
{
struct {
WORD wPoint;
WORD wWeight;
BYTE bItalic;
BYTE bCharSet;
} ft;
if (!_MoveBlock(&ft, pArg, sizeof(ft))) return;
pArg += sizeof(ft);
pArg = DlgDumpString("Font", pArg, NULL);
if (!pArg) return;
Print(" %dpt, weight=%d, italic=%d, charset=%d\n",
ft.wPoint, ft.wWeight, ft.bItalic, ft.bCharSet);
}
// and then a packed array of DITEXs, DWORD-aligned
Print("Number of controls: %d\n\n", dlg.dlgfinish.cDlgItems);
for (int i = 0; !IsCtrlCHit() && i < dlg.dlgfinish.cDlgItems; i++)
{
pArg = DlgDwordAlign(pBase, pArg);
DITEX dit;
if (!_MoveBlock(&dit, pArg, sizeof(dit))) return;
pArg += sizeof(dit);
Print("Control %d (0x%04x):\n", dit.dwID, dit.dwID);
Print(" dwStyle = 0x%08x\n", dit.dwStyle);
Print(" dwExStyle = 0x%08x\n", dit.dwExStyle);
Print(" dwHelpID = 0x%08x\n", dit.dwHelpID);
Print(" ( x, y) = (%3d, %3d)\n", dit.dd.x, dit.dd.y);
Print(" (cx,cy) = (%3d, %3d)\n", dit.dd.cx, dit.dd.cy);
pArg = DlgDumpString(" Class", pArg, DlgGetClassName);
if (!pArg) return;
pArg = DlgDumpString(" Title", pArg, DlgGetClassName);
if (!pArg) return;
if (!_MoveBlock(&w, pArg, sizeof(w))) return;
pArg += sizeof(w);
pArg += w;
}
}
void DumpDialog(LPBYTE pArg)
{
DLG dlg;
LPBYTE pBase = pArg;
WORD w;
if (!_MoveBlock(&dlg, pArg, sizeof(dlg))) return;
Print(" dwStyle = 0x%08x\n", dlg.dwStyle);
Print("dwExStyle = 0x%08x\n", dlg.dwExStyle);
Print(" ( x, y) = (%3d, %3d)\n", dlg.dlgfinish.dd.x, dlg.dlgfinish.dd.y);
Print(" (cx,cy) = (%3d, %3d)\n", dlg.dlgfinish.dd.cx, dlg.dlgfinish.dd.cy);
pArg += FIELD_OFFSET(DLG, wszMenuName);
pArg = DlgDumpString("Menu", pArg, NULL);
if (!pArg) return;
pArg = DlgDumpString("Class", pArg, NULL);
if (!pArg) return;
pArg = DlgDumpString("Title", pArg, NULL);
if (!pArg) return;
if (dlg.dwStyle & DS_SETFONT)
{
if (!_MoveBlock(&w, pArg, sizeof(w))) return;
pArg += sizeof(WORD);
pArg = DlgDumpString("Font", pArg, NULL);
if (!pArg) return;
Print(" Font size: %dpt\n", w);
}
// and then a packed array of DITs, DWORD-aligned
Print("Number of controls: %d\n\n", dlg.dlgfinish.cDlgItems);
for (int i = 0; !IsCtrlCHit() && i < dlg.dlgfinish.cDlgItems; i++)
{
pArg = DlgDwordAlign(pBase, pArg);
DIT dit;
if (!_MoveBlock(&dit, pArg, sizeof(dit))) return;
pArg += sizeof(dit);
Print("Control %d (0x%04x):\n", (short)dit.wID, dit.wID);
Print(" dwStyle = 0x%08x\n", dit.dwStyle);
Print(" dwExStyle = 0x%08x\n", dit.dwExStyle);
Print(" ( x, y) = (%3d, %3d)\n", dit.dd.x, dit.dd.y);
Print(" (cx,cy) = (%3d, %3d)\n", dit.dd.cx, dit.dd.cy);
pArg = DlgDumpString(" Class", pArg, DlgGetClassName);
if (!pArg) return;
pArg = DlgDumpString(" Title", pArg, DlgGetClassName);
if (!pArg) return;
if (!_MoveBlock(&w, pArg, sizeof(w))) return;
pArg += sizeof(w);
pArg += w;
}
}
extern "C" BOOL Idlgt(DWORD dwOpts,
LPVOID pArg )
{
int cItems;
PDLGFINISH pdlgfinish;
DWORD dw;
if (!_MoveBlock(&dw, pArg, sizeof(dw)))
{
return TRUE;
}
if (dw == DS_DIALOGEX)
{
DumpDialogEx((LPBYTE)pArg);
}
else
{
DumpDialog((LPBYTE)pArg);
}
return TRUE;
}