GINA.C
//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright 1992 - 1998 Microsoft Corporation.
//
// File: gina.c
//
// Contents:
//
// Classes:
//
// Functions:
//
// History: 4-20-95 RichardW Created
//
//----------------------------------------------------------------------------
#include "gina.h"
#pragma hdrstop
HINSTANCE hDllInstance; // My instance, for resource loading
HANDLE hGlobalWlx; // Handle to tell winlogon who's calling
PWLX_DISPATCH_VERSION_1_0 pWlxFuncs; // Ptr to table of functions
#define WINLOGON_APP TEXT("Winlogon")
#define USERINIT TEXT("Userinit")
#define USERINIT_DEFAULT TEXT("Userinit.exe")
//+---------------------------------------------------------------------------
//
// Function: DllMain
//
// Synopsis: DLL Entrance point
//
// Arguments: [hInstance] --
// [dwReason] --
// [lpReserved] --
//
// History: 4-20-95 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
BOOL
WINAPI
DllMain(
HINSTANCE hInstance,
DWORD dwReason,
LPVOID lpReserved)
{
switch (dwReason)
{
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls ( hInstance );
hDllInstance = hInstance;
#if DBG
InitDebugSupport();
#endif
case DLL_PROCESS_DETACH:
default:
return(TRUE);
}
}
//+---------------------------------------------------------------------------
//
// Function: WlxNegotiate
//
// Synopsis: Negotiate version of interface with Winlogon
//
// Arguments: [dwWinlogonVersion] --
// [pdwDllVersion] --
//
// Algorithm:
//
// History: 4-20-95 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
BOOL
WINAPI
WlxNegotiate(
DWORD dwWinlogonVersion,
DWORD *pdwDllVersion
)
{
if (dwWinlogonVersion < WLX_CURRENT_VERSION)
{
DebugLog((DEB_ERROR, "Unknown version: %d\n", dwWinlogonVersion));
return(FALSE);
}
*pdwDllVersion = WLX_CURRENT_VERSION;
DebugLog((DEB_TRACE, "Negotiate: successful!\n"));
return(TRUE);
}
//+---------------------------------------------------------------------------
//
// Function: WlxInitialize
//
// Synopsis: Initialize entrypoint from winlogon
//
// Arguments: [lpWinsta] --
// [hWlx] --
// [pvReserved] --
// [pWinlogonFunctions] --
// [pWlxContext] --
//
// History: 4-20-95 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
BOOL
WINAPI
WlxInitialize(
LPWSTR lpWinsta,
HANDLE hWlx,
PVOID pvReserved,
PVOID pWinlogonFunctions,
PVOID *pWlxContext
)
{
PGlobals pGlobals;
pWlxFuncs = (PWLX_DISPATCH_VERSION_1_0) pWinlogonFunctions;
hGlobalWlx = hWlx;
pGlobals = LocalAlloc(LMEM_FIXED | LMEM_ZEROINIT, sizeof(Globals));
*pWlxContext = (PVOID) pGlobals;
//
// Read from registry...
//
pGlobals->fAllowNewUser = TRUE;
pWlxFuncs->WlxUseCtrlAltDel(hWlx);
InitCommonControls();
return(TRUE);
}
//+---------------------------------------------------------------------------
//
// Function: WlxDisplaySASNotice
//
// Synopsis: Where we display the welcome, we're waiting dialog box
//
// Arguments: [pContext] --
//
// History: 4-20-95 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
VOID
WINAPI
WlxDisplaySASNotice(PVOID pContext)
{
int Result;
Result = pWlxFuncs->WlxDialogBoxParam( hGlobalWlx,
hDllInstance,
(LPTSTR) MAKEINTRESOURCE(IDD_WELCOME_DLG),
NULL,
WelcomeDlgProc,
0 );
}
//+---------------------------------------------------------------------------
//
// Function: WlxLoggedOutSAS
//
// Synopsis: Called when no one logged on...
//
// Arguments: [pWlxContext] --
// [dwSasType] --
// [pAuthenticationId] --
// [pLogonSid] --
// [pdwOptions] --
// [phToken] --
// [pMprNotifyInfo] --
// [pProfile] --
//
// History: 4-20-95 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
int
WINAPI
WlxLoggedOutSAS(
PVOID pWlxContext,
DWORD dwSasType,
PLUID pAuthenticationId,
PSID pLogonSid,
PDWORD pdwOptions,
PHANDLE phToken,
PWLX_MPR_NOTIFY_INFO pMprNotifyInfo,
PVOID * pProfile
)
{
int result;
// PWLX_PROFILE_V1_0 pWlxProfile;
// PMiniAccount pAccount;
PGlobals pGlobals;
pGlobals = (PGlobals) pWlxContext;
result = pWlxFuncs->WlxDialogBoxParam( hGlobalWlx,
hDllInstance,
(LPTSTR) MAKEINTRESOURCE(IDD_LOGON_DIALOG),
NULL,
LogonDlgProc,
(LPARAM) pGlobals );
if (result == WLX_SAS_ACTION_LOGON)
{
result = AttemptLogon(pGlobals, pGlobals->pAccount,
pLogonSid, pAuthenticationId);
if (result == WLX_SAS_ACTION_LOGON)
{
*pdwOptions = 0;
*phToken = pGlobals->hUserToken;
*pProfile = NULL;
pMprNotifyInfo->pszUserName = DupString(pGlobals->pAccount->pszUsername);
pMprNotifyInfo->pszDomain = DupString(pGlobals->pAccount->pszDomain);
pMprNotifyInfo->pszPassword = DupString(pGlobals->pAccount->pszPassword);
pMprNotifyInfo->pszOldPassword = NULL;
}
}
return(result);
}
//+---------------------------------------------------------------------------
//
// Function: WlxActivateUserShell
//
// Synopsis: Activates progman or whatever for the user
//
// Arguments: [pWlxContext] --
// [pszDesktop] --
// [pszMprLogonScript] --
// [pEnvironment] --
//
// History: 4-20-95 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
BOOL
WINAPI
WlxActivateUserShell(
PVOID pWlxContext,
PWSTR pszDesktop,
PWSTR pszMprLogonScript,
PVOID pEnvironment
)
{
// BOOL bExec;
WCHAR szText[MAX_PATH];
PWSTR pszScan;
STARTUPINFO si;
PROCESS_INFORMATION pi;
PGlobals pGlobals;
DWORD StartCount;
pGlobals = (PGlobals) pWlxContext;
GetProfileString(WINLOGON_APP, USERINIT, USERINIT_DEFAULT, szText, MAX_PATH);
StartCount = 0;
pszScan = wcstok(szText, TEXT(","));
while (pszScan)
{
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(STARTUPINFO);
si.lpTitle = pszScan;
si.dwX = si.dwY = si.dwXSize = si.dwYSize = 0L;
si.dwFlags = 0;
si.wShowWindow = SW_SHOW; // at least let the guy see it
si.lpReserved2 = NULL;
si.cbReserved2 = 0;
si.lpDesktop = pszDesktop;
DebugLog((DEB_TRACE, "Starting '%ws' as user\n", pszScan));
ImpersonateLoggedOnUser(pGlobals->hUserToken);
if (CreateProcessAsUser(pGlobals->hUserToken, // Token to run as
NULL, // App name
pszScan, // Command Line
NULL, // Process SD
NULL, // Thread SD
FALSE, // No inherit
CREATE_UNICODE_ENVIRONMENT,
pEnvironment,
NULL,
&si,
&pi))
{
StartCount++;
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
}
RevertToSelf();
pszScan = wcstok(NULL, TEXT(","));
}
return(StartCount > 0);
}
//+---------------------------------------------------------------------------
//
// Function: WlxLoggedOnSAS
//
// Synopsis: Called when someone hits CAD when we're logged on
//
// Arguments: [pWlxContext] --
// [dwSasType] --
// [pReserved] --
//
// Algorithm:
//
// History: 4-20-95 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
int
WINAPI
WlxLoggedOnSAS(
PVOID pWlxContext,
DWORD dwSasType,
PVOID pReserved
)
{
int result;
result = pWlxFuncs->WlxDialogBoxParam( hGlobalWlx,
hDllInstance,
(LPTSTR) MAKEINTRESOURCE(IDD_OPTIONS_DIALOG),
NULL,
OptionsDlgProc,
(LPARAM) pWlxContext );
return(result);
}
//+---------------------------------------------------------------------------
//
// Function: WlxIsLockOk
//
// Synopsis: Called to make sure that locking is ok
//
// Arguments: [pWlxContext] --
//
// History: 4-20-95 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
BOOL
WINAPI
WlxIsLockOk(
PVOID pWlxContext
)
{
return(TRUE);
}
//+---------------------------------------------------------------------------
//
// Function: WlxDisplayLockedNotice
//
// Synopsis: Displays a notice while the workstation is locked
//
// Arguments: [pWlxContext] --
//
// History: 4-20-95 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
VOID
WINAPI
WlxDisplayLockedNotice(PVOID pWlxContext)
{
int Result;
Result = pWlxFuncs->WlxDialogBoxParam( hGlobalWlx,
hDllInstance,
(LPTSTR) MAKEINTRESOURCE(IDD_WKSTA_LOCKED),
NULL,
WelcomeDlgProc,
0 );
return;
}
//+---------------------------------------------------------------------------
//
// Function: WlxWkstaLockedSAS
//
// Synopsis: Responds during an unlock attempt
//
// Arguments: [pWlxContext] --
// [dwSasType] --
//
// History: 4-20-95 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
int
WINAPI
WlxWkstaLockedSAS(
PVOID pWlxContext,
DWORD dwSasType
)
{
return(WLX_SAS_ACTION_UNLOCK_WKSTA);
}
//+---------------------------------------------------------------------------
//
// Function: WlxIsLogoffOk
//
// Synopsis: Called to make sure that logoff is ok
//
// Arguments: [pWlxContext] --
//
// History: 4-20-95 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
BOOL
WINAPI
WlxIsLogoffOk(
PVOID pWlxContext
)
{
return(TRUE);
}
//+---------------------------------------------------------------------------
//
// Function: WlxLogoff
//
// Synopsis: Called when the user logs off
//
// Arguments: [pWlxContext] --
//
// History: 4-20-95 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
VOID
WINAPI
WlxLogoff(
PVOID pWlxContext
)
{
PGlobals pGlobals;
pGlobals = (PGlobals) pWlxContext;
//
// Winlogon has closed it for us..
//
pGlobals->hUserToken = NULL;
pGlobals->pAccount = NULL;
return;
}
//+---------------------------------------------------------------------------
//
// Function: WlxShutdown
//
// Synopsis: Called before shutdown so that we can unload/clean up.
//
// Arguments: [pWlxContext] --
// [ShutdownType] --
//
// History: 4-20-95 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
VOID
WINAPI
WlxShutdown(
PVOID pWlxContext,
DWORD ShutdownType
)
{
return;
}