/*

Copyright (c) 2008, Guillaume Seguin (guillaume@paralint.com)

All rights reserved.

Redistribution and use in source and binary forms, with or without

modification, are permitted provided that the following conditions

are met:

1. Redistributions of source code must retain the above copyright

notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright

notice, this list of conditions and the following disclaimer in the

documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND

ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE

FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

SUCH DAMAGE.

*/

#ifdef _DEBUG

#include <windows.h>

#include "trace.h"

#include "debug.h"

typedef struct tagMessageList

} MessageList;

static const MessageList g_mlTable[] =

{

{ L"WM_NULL", 0, 0, L"No operation", 0, 0, 0 },

{ L"WM_CREATE", 1, 0, L"Window created and about to be displayed", 0, 0, 0 },

{ L"WM_DESTROY", 2, 0, L"Window is being destroy and has been removed from the screen", 0, 0, 0 },

{ L"WM_MOVE", 3, 0, L"Window has been moved", 0, 0, 0 },

{ L"WM_SIZE", 5, 0, L"Window size has been changed", 0, 0, 0 },

{ L"WM_ACTIVATE", 6, 0, L"Window is either being activated for deactivated", 0, 0, 0 },

{ L"WM_SETFOCUS", 7, 0, L"Window has keyboard focus", 0, 0, 0 },

{ L"WM_KILLFOCUS", 8, 0, L"Window is about to lose focus", 0, 0, 0 },

{ L"WM_ENABLE", 10, 0, L"Window enabled state is changing", 0, 0, 0 },

{ L"WM_SETREDRAW", 11, 0, L"Allow or prevent redraws to take place", 0, 0, 0 },

{ L"WM_SETTEXT", 12, 0, L"Set the text of the window", 0, 0, 0 },

{ L"WM_GETTEXT", 13, 0, L"Retrieve corresponding window text", 0, 0, 0 },

{ L"WM_GETTEXTLENGTH", 14, 0, L"Return length, in characters, of associated text", 0, 0, 0 },

{ L"WM_PAINT", 15, 0, L"Paint a portion of the client area", 0, 0, 0 },

{ L"WM_CLOSE", 16, 0, L"Window or application should terminate", 0, 0, 0 },

{ L"WM_QUERYENDSESSION", 17, 0, L"User chose to end current Windows session", 0, 0, 0 },

{ L"WM_QUIT", 18, 0, L"Terminate application request", 0, 0, 0 },

{ L"WM_QUERYOPEN", 19, 0, L"User requested that iconic window be restored", 0, 0, 0 },

{ L"WM_ERASEBKGND", 20, 0, L"Window background must be erased", 0, 0, 0 },

{ L"WM_SYSCOLORCHANGE", 21, 0, L"A change has been made to a system color setting", 0, 0, 0 },

{ L"WM_ENDSESSION", 22, 0, L"Windows session might be ending", 0, 0, 0 },

{ L"WM_SHOWWINDOW", 24, 0, L"Window is about to be hidden or shown", 0, 0, 0 },

{ L"WM_SETTINGCHANGE", 26, 0, L"A system wide setting has changed", 0, 0, 0 },

{ L"WM_WININICHANGE", 26, 0, L"A system wide setting has changed", 0, 0, 0 },

{ L"WM_DEVMODECHANGE", 27, 0, L"User changed device-mode settings", 0, 0, 0 },

{ L"WM_ACTIVATEAPP", 28, 0, L"A window belonging to another application is about to be activated", 0, 0, 0 },

{ L"WM_FONTCHANGE", 29, 0, L"Pool of font resources has changed", 0, 0, 0 },

{ L"WM_TIMECHANGE", 30, 0, L"System time has changed", 0, 0, 0 },

{ L"WM_CANCELMODE", 31, 0, L"Window is to cancel its current mode", 0, 0, 0 },

{ L"WM_SETCURSOR", 32, 0, L"Cursor moved within window and is not captured", 0, 0, 0 },

{ L"WM_MOUSEACTIVATE", 33, 0, L"Window activation via mouse click", 0, 0, 0 },

{ L"WM_CHILDACTIVATE", 34, 0, L"MDI child window has been activated, moved, or sized", 0, 0, 0 },

{ L"WM_QUEUESYNC", 35, 0, L"Separate user-input messages from other journal playback hook messages", 0, 0, 0 },

{ L"WM_GETMINMAXINFO", 36, 0, L"Return minimum or maximum tracking size", 0, 0, 0 },

{ L"WM_PAINTICON", 38, 0, L"Icon is to be painted of minimized window", 0, 0, 0 },

{ L"WM_ICONERASEBKGND", 39, 0, L"Background of the minimized window icon must be painted", 0, 0, 0 },

{ L"WM_NEXTDLGCTL", 40, 0, L"Set the keyboard focus to a different control", 0, 0, 0 },

{ L"WM_SPOOLERSTATUS", 42, 0, L"Job as been added or removed from the Print Manager queue", 0, 0, 0 },

{ L"WM_DRAWITEM", 43, 0, L"Visual aspect of control has changed", 0, 0, 0 },

{ L"WM_MEASUREITEM", 44, 0, L"Provide measurements of owner drawn control", 0, 0, 0 },

{ L"WM_DELETEITEM", 45, 0, L"Items removed from the list/combo box", 0, 0, 0 },

{ L"WM_VKEYTOITEM", 46, 0, L"List box want keyboard input notification", 0, 0, 0 },

{ L"WM_CHARTOITEM", 47, 0, L"List box with keyboard input enabled received a character message", 0, 0, 0 },

{ L"WM_SETFONT", 48, 0, L"Set desired font window is to use while drawing text", 0, 0, 0 },

{ L"WM_GETFONT", 49, 0, L"Return the font with which the window is currently drawing its text", 0, 0, 0 },

{ L"WM_SETHOTKEY", 50, 0, L"Associate hot key", 0, 0, 0 },

{ L"WM_GETHOTKEY", 51, 0, L"Hot key association query", 0, 0, 0 },

{ L"WM_QUERYDRAGICON", 55, 0, L"Minimized iconic window is about to be dragged by user", 0, 0, 0 },

{ L"WM_COMPAREITEM", 57, 0, L"Report the relative item position in a sorted list of an owner-draw combo or list box", 0, 0, 0 },

{ L"WM_COMPACTING", 65, 0, L"System memory is low", 0, 0, 0 },

{ L"WM_WINDOWPOSCHANGING",70, 0, L"Size, position, or Z order is about to change", 0, 0, 0 },

{ L"WM_WINDOWPOSCHANGED",71, 0, L"Size, position, or Z order has changed", 0, 0, 0 },

{ L"WM_POWER", 72, 0, L"System is about to enter suspended mode", 0, 0, 0 },

{ L"WM_COPYDATA", 74, 0, L"Data has be passed to application ", 0, 0, 0 },

{ L"WM_CANCELJOURNAL", 75, 0, L"User cancelled journaling activities", 0, 0, 0 },

{ L"WM_NOTIFY", 78, 0, L"Control event occurred or requires information", 0, 0, 0 },

{ L"WM_INPUTLANGCHANGEREQUEST",80,0, L"User requests to change the current input language", 0, 0, 0 },

{ L"WM_INPUTLANGCHANGE", 81, 0, L"Input language has changed", 0, 0, 0 },

{ L"WM_TCARD", 82, 0, L"User clicked an authorable button on a WinHelp Training Card", 0, 0, 0 },

{ L"WM_HELP", 83, 0, L"User pressed F1", 0, 0, 0 },

{ L"WM_USERCHANGED", 84, 0, L"User has logged on or off", 0, 0, 0 },

{ L"WM_NOTIFYFORMAT", 85, 0, L"Return whether should use ANSI or Unicode structures", 0, 0, 0 },

{ L"WM_CONTEXTMENU", 123, 0, L"User clicked the right mouse button in the window", 0, 0, 0 },

{ L"WM_STYLECHANGING", 124, 0, L"One or more of the window's styles is about to change", 0, 0, 0 },

{ L"WM_STYLECHANGED", 125, 0, L"Window's style has changed", 0, 0, 0 },

{ L"WM_DISPLAYCHANGE", 126, 0, L"Display resolution has changed", 0, 0, 0 },

{ L"WM_GETICON", 127, 0, L"Return the handle of the large or small associated icon", 0, 0, 0 },

{ L"WM_SETICON", 128, 0, L"Set large or small icon", 0, 0, 0 },

{ L"WM_NCCREATE", 129, 0, L"Non-client area created and is about to be displayed", 0, 0, 0 },

{ L"WM_NCDESTROY", 130, 0, L"Non-client area is being destroyed", 0, 0, 0 },

{ L"WM_NCCALCSIZE", 131, 0, L"Size and position of client area must be calculated", 0, 0, 0 },

{ L"WM_NCHITTEST", 132, 0, L"Mouse cursor moved or button was pressed or released", 0, 0, 0 },

{ L"WM_NCPAINT", 133, 0, L"Frame must be painted", 0, 0, 0 },

{ L"WM_NCACTIVATE", 134, 0, L"Nonclient area needs to be changed to reflect active state", 0, 0, 0 },

{ L"WM_GETDLGCODE", 135, 0, L"Chance to override default behavior to dialog box input", 0, 0, 0 },

{ L"WM_NCMOUSEMOVE", 160, 0, L"User moved mouse within non-client area", 0, 0, 0 },

{ L"WM_NCLBUTTONDOWN", 161, 0, L"User pressed left mouse button in non-client area", 0, 0, 0 },

{ L"WM_NCLBUTTONUP", 162, 0, L"User released left mouse button in non-client area", 0, 0, 0 },

{ L"WM_NCLBUTTONDBLCLK", 163, 0, L"User double clicked left mouse button in non-client area", 0, 0, 0 },

{ L"WM_NCRBUTTONDOWN", 164, 0, L"User pressed right mouse button in non-client area", 0, 0, 0 },

{ L"WM_NCRBUTTONUP", 165, 0, L"User released right mouse button in non-client area", 0, 0, 0 },

{ L"WM_NCRBUTTONDBLCLK", 166, 0, L"User double clicked right mouse button in non-client area", 0, 0, 0 },

{ L"WM_NCMBUTTONDOWN", 167, 0, L"User pressed middle mouse button in non-client area", 0, 0, 0 },

{ L"WM_NCMBUTTONUP", 168, 0, L"User released middle mouse button in non-client area", 0, 0, 0 },

{ L"WM_NCMBUTTONDBLCLK", 169, 0, L"User double clicked middle mouse button in non-client area", 0, 0, 0 },

{ L"WM_KEYDOWN", 256, 0, L"Non-system key pressed", 0, 0, 0 },

{ L"WM_KEYUP", 257, 0, L"Non-system key released", 0, 0, 0 },

{ L"WM_CHAR", 258, 0, L"Key down message has been translated", 0, 0, 0 },

{ L"WM_DEADCHAR", 259, 0, L"Dead character code translated", 0, 0, 0 },

{ L"WM_SYSKEYDOWN", 260, 0, L"System key has been pressed (F10 or ALT-key)", 0, 0, 0 },

{ L"WM_SYSKEYUP", 261, 0, L"System key has been released (F10 or ALT-key)", 0, 0, 0 },

{ L"WM_SYSCHAR", 262, 0, L"System ALT key has been translated", 0, 0, 0 },

{ L"WM_SYSDEADCHAR", 263, 0, L"Dead system character code translated", 0, 0, 0 },

{ L"WM_IME_STARTCOMPOSITION",269,0, L"IME is about to generate a composition string due to a keystroke", 0, 0, 0 },

{ L"WM_IME_ENDCOMPOSITION",270, 0, L"IME ended composition", 0, 0, 0 },

{ L"WM_IME_COMPOSITION", 271, 0, L"IME changed composition status as a result of a key stroke", 0, 0, 0 },

{ L"WM_INITDIALOG", 272, 0, L"Dialog box is about to be displayed", 0, 0, 0 },

{ L"WM_COMMAND", 273, 0, L"Window received a command notification", 0, 0, 0 },

{ L"WM_SYSCOMMAND", 274, 0, L"User chose a command from the system menu", 0, 0, 0 },

{ L"WM_TIMER", 275, 0, L"Timer expired", 0, 0, 0 },

{ L"WM_HSCROLL", 276, 0, L"Scroll event occurred in the horizontal scroll bar", 0, 0, 0 },

{ L"WM_VSCROLL", 277, 0, L"Scroll event occurred in the vertical scroll bar", 0, 0, 0 },

{ L"WM_INITMENU", 278, 0, L"Menu is about to become active", 0, 0, 0 },

{ L"WM_INITMENUPOPUP", 279, 0, L"Drop-down or sub-menu is about to become active", 0, 0, 0 },

{ L"WM_MENUSELECT", 287, 0, L"Menu item has been selected", 0, 0, 0 },

{ L"WM_MENUCHAR", 288, 0, L"User pressed an unknown menu key", 0, 0, 0 },

{ L"WM_ENTERIDLE", 289, 0, L"Child modal dialog or menu is entering an idle state", 0, 0, 0 },

{ L"WM_CTLCOLORMSGBOX", 306, 0, L"Message box is about to be drawn", 0, 0, 0 },

{ L"WM_CTLCOLOREDIT", 307, 0, L"Edit box is about to be drawn", 0, 0, 0 },

{ L"WM_CTLCOLORLISTBOX", 308, 0, L"List box is about to be drawn", 0, 0, 0 },

{ L"WM_CTLCOLORBTN", 309, 0, L"Button is about to be drawn", 0, 0, 0 },

{ L"WM_CTLCOLORDLG", 310, 0, L"Dialog box is about to be drawn", 0, 0, 0 },

{ L"WM_CTLCOLORSCROLLBAR",311, 0, L"Scroll bar is about to be drawn", 0, 0, 0 },

{ L"WM_CTLCOLORSTATIC", 312, 0, L"Static control is about to be drawn", 0, 0, 0 },

{ L"WM_MOUSEMOVE", 512, 0, L"Mouse cursor moved", 0, 0, 0 },

{ L"WM_LBUTTONDOWN", 513, 0, L"User pressed left mouse button in client area", 0, 0, 0 },

{ L"WM_LBUTTONUP", 514, 0, L"User released left mouse button in client area", 0, 0, 0 },

{ L"WM_LBUTTONDBLCLK", 515, 0, L"User double clicked left mouse button in client area", 0, 0, 0 },

{ L"WM_RBUTTONDOWN", 516, 0, L"User pressed right mouse button in client area", 0, 0, 0 },

{ L"WM_RBUTTONUP", 517, 0, L"User released right mouse button in client area", 0, 0, 0 },

{ L"WM_RBUTTONDBLCLK", 518, 0, L"User double clicked right mouse button in client area", 0, 0, 0 },

{ L"WM_MBUTTONDOWN", 519, 0, L"User pressed middle mouse button in client area", 0, 0, 0 },

{ L"WM_MBUTTONUP", 520, 0, L"User released middle mouse button in client area", 0, 0, 0 },

{ L"WM_MBUTTONDBLCLK", 521, 0, L"User double clicked middle mouse button in client area", 0, 0, 0 },

{ L"WM_MOUSEWHEEL", 522, 0, L"Mouse wheel rotated", 0, 0, 0 },

{ L"WM_PARENTNOTIFY", 528, 0, L"Child window created or destroyed, or mouse click event occurred to child", 0, 0, 0 },

{ L"WM_ENTERMENULOOP", 529, 0, L"Menu modal loop has been entered", 0, 0, 0 },

{ L"WM_EXITMENULOOP", 530, 0, L"Menu modal loop has been exited", 0, 0, 0 },

{ L"WM_NEXTMENU", 531, 0, L"Right or left arrow key was used to switch between menu bar and system menu", 0, 0, 0 },

{ L"WM_SIZING", 532, 0, L"Window is resizing", 0, 0, 0 },

{ L"WM_CAPTURECHANGED", 533, 0, L"Window is losing mouse capture", 0, 0, 0 },

{ L"WM_MOVING", 534, 0, L"Window is moving", 0, 0, 0 },

{ L"WM_POWERBROADCAST", 536, 0, L"Power-management event notification", 0, 0, 0 },

{ L"WM_DEVICECHANGE", 537, 0, L"Hardware configuration has changed", 0, 0, 0 },

{ L"WM_MDICREATE", 544, 0, L"Create a MDI child window", 0, 0, 0 },

{ L"WM_MDIDESTROY", 545, 0, L"Destroy MDI child window", 0, 0, 0 },

{ L"WM_MDIACTIVATE", 546, 0, L"Activate a different MDI child window", 0, 0, 0 },

{ L"WM_MDIRESTORE", 547, 0, L"Restore MDI child window size", 0, 0, 0 },

{ L"WM_MDINEXT", 548, 0, L"Activate the next or previous MDI child window", 0, 0, 0 },

{ L"WM_MDIMAXIMIZE", 549, 0, L"Maximize a MDI child window", 0, 0, 0 },

{ L"WM_MDITILE", 550, 0, L"Arrange all MDI children in a tile format", 0, 0, 0 },

{ L"WM_MDICASCADE", 551, 0, L"Arrange all MDI child windows in cascade format", 0, 0, 0 },

{ L"WM_MDIICONARRANGE", 552, 0, L"Arrange all minimized MDI child windows", 0, 0, 0 },

{ L"WM_MDIGETACTIVE", 553, 0, L"Return handle of active MDI child window", 0, 0, 0 },

{ L"WM_MDISETMENU", 560, 0, L"Replace entire menu of the MDI frame", 0, 0, 0 },

{ L"WM_ENTERSIZEMOVE", 561, 0, L"Entered moving or sizing modal loop", 0, 0, 0 },

{ L"WM_EXITSIZEMOVE", 562, 0, L"Window exited the moving or sizing modal loop", 0, 0, 0 },

{ L"WM_DROPFILES", 563, 0, L"Dropped file notification", 0, 0, 0 },

{ L"WM_MDIREFRESHMENU", 564, 0, L"Refresh the MDI menu of the frame", 0, 0, 0 },

{ L"WM_IME_SETCONTEXT", 641, 0, L"IME window is about to be activated", 0, 0, 0 },

{ L"WM_IME_NOTIFY", 642, 0, L"IME window change notification", 0, 0, 0 },

{ L"WM_IME_CONTROL", 643, 0, L"IME window must carry out requested command", 0, 0, 0 },

{ L"WM_IME_COMPOSITIONFULL",644, 0, L"IME cannot extend the area of the composition window", 0, 0, 0 },

{ L"WM_IME_SELECT", 645, 0, L"System is about to change the current IME", 0, 0, 0 },

{ L"WM_IME_CHAR", 646, 0, L"IME got a character of the conversion result", 0, 0, 0 },

{ L"WM_IME_KEYDOWN", 656, 0, L"IME key press notification", 0, 0, 0 },

{ L"WM_IME_KEYUP", 657, 0, L"IME key release notification", 0, 0, 0 },

{ L"WM_MOUSEHOVER", 673, 0, L"Mouse cursor is hovering", 0, 0, 0 },

{ L"WM_MOUSELEAVE", 675, 0, L"Mouse cursor moved out of window", 0, 0 ,0 },

{ L"WM_CUT", 768, 0, L"Delete current selection", 0, 0, 0 },

{ L"WM_COPY", 769, 0, L"Copy current selection into the clipboard in text format", 0, 0, 0 },

{ L"WM_PASTE", 770, 0, L"Copy current content of the clipboard to control", 0, 0, 0 },

{ L"WM_CLEAR", 771, 0, L"Clear the current selection, if any, from the edit control", 0, 0, 0 },

{ L"WM_UNDO", 772, 0, L"Undo last operation", 0, 0, 0 },

{ L"WM_RENDERFORMAT", 773, 0, L"Render data in the specified clipboard format", 0, 0, 0 },

{ L"WM_RENDERALLFORMATS",774, 0, L"Render data in all clipboard formats", 0, 0, 0 },

{ L"WM_DESTROYCLIPBOARD",775, 0, L"Clipboard has been emptied", 0, 0, 0 },

{ L"WM_DRAWCLIPBOARD", 776, 0, L"Content of the clipboard changed", 0, 0, 0 },

{ L"WM_PAINTCLIPBOARD", 777, 0, L"Clipboard viewer's client area needs repainting", 0, 0, 0 },

{ L"WM_VSCROLLCLIPBOARD",778, 0, L"Event occurred in the clipboard viewer's vertical scroll bar", 0, 0, 0 },

{ L"WM_SIZECLIPBOARD", 779, 0, L"Clipboard viewer's client area has changed size", 0, 0, 0 },

{ L"WM_ASKCBFORMATNAME", 780, 0, L"Request of an owner displayed clipboard format", 0, 0, 0 },

{ L"WM_CHANGECBCHAIN", 781, 0, L"A window is being removed from the clipboard viewer chain", 0, 0, 0 },

{ L"WM_HSCROLLCLIPBOARD",782, 0, L"Event occurred in the clipboard viewer's horizontal scroll bar", 0, 0, 0 },

{ L"WM_QUERYNEWPALETTE", 783, 0, L"Window may realize its logical palette what focus is received", 0, 0, 0 },

{ L"WM_PALETTEISCHANGING",784, 0, L"A window is about to realize its logical palette", 0, 0, 0 },

{ L"WM_PALETTECHANGED", 785, 0, L"A window has realized its logical palette", 0, 0, 0 },

{ L"WM_HOTKEY", 786, 0, L"User pressed registered hotkey", 0, 0, 0 },

{ L"WM_PRINT", 791, 0, L"Render image in current device context request", 0, 0, 0 },

{ L"WM_PRINTCLIENT", 792, 0, L"Render client area in current device context request", 0, 0, 0 },

{ L"WM_DDE_INITIATE", 992, 0, L"Initiate a conversation with a DDE client", 0, 0, 0 },

{ L"WM_DDE_TERMINATE", 993, 0, L"Terminate a DDE conversation", 0, 0, 0 },

{ L"WM_DDE_ADVISE", 994, 0, L"DDE server data item update notification request", 0, 0, 0 },

{ L"WM_DDE_UNADVISE", 995, 0, L"Data or clipboard format client item should no longer be updated", 0, 0, 0 },

{ L"WM_DDE_ACK", 996, 0, L"DDE message has been received and processed", 0, 0, 0 },

{ L"WM_DDE_DATA", 997, 0, L"Data item received or data item available", 0, 0, 0 },

{ L"WM_DDE_REQUEST", 998, 0, L"Client requests the value of a data item", 0, 0, 0 },

{ L"WM_DDE_POKE", 999, 0, L"Client requests unsolicited data be accepted", 0, 0, 0 },

{ L"WM_DDE_EXECUTE", 1000, 0, L"Process a string as a series of commands", 0, 0, 0 },

{ L"Unknown", -1, 0, L"Unknown message", 0, 0, 0 }

};

static const int nbMessages = sizeof g_mlTable / sizeof *g_mlTable;

LPCWSTR GetWindowsMessageName(UINT msg)

{

LPCWSTR result = g_mlTable[nbMessages-1].pMessageID;

int i;

for (i=0; i<nbMessages; ++i)

{

if (g_mlTable[i].dMessageNo == msg)

{

result = g_mlTable[i].pMessageID;

}

}

return result;

}

BOOLEAN GetLUIDFromToken(HANDLE token, PLUID session)

{

BOOLEAN result = FALSE;

TOKEN_STATISTICS stats = {0};

DWORD nbstats = sizeof stats;

GetTokenInformation(token, TokenStatistics, &stats, sizeof stats, &nbstats);

*session = stats.AuthenticationId;

return result;

}

void OutputGetSessionUserName(PLUID session)

{

PSECURITY_LOGON_SESSION_DATA sessionData = NULL;

NTSTATUS retval;

// Check for a valid session.

if (!session ) {

OutputDebugString(L"Error - Invalid logon session identifier.\n");

return;

}

// Get the session information.

retval = LsaGetLogonSessionData (session, &sessionData);

if (!retval)

{

// Determine whether there is session data to parse.

if (!sessionData)

{ // no data for session

OutputDebugString(L"Invalid logon session data. \n");

}

if (sessionData->UserName.Buffer != NULL)

{

OutputDebugString(L"User from LUID is ");

OutputDebugString((sessionData->UserName).Buffer);

OutputDebugString(L"\n");

}

// Free the memory returned by the LSA.

}

if (sessionData)

LsaFreeReturnBuffer(sessionData);

return;

}

#endif