loader.c File Reference

#include <k32.h>
#include <debug.h>

Include dependency graph for loader.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
NTSTATUS WINAPI	BasepInitializeTermsrvFpns (VOID)
DWORD WINAPI	BasepGetModuleHandleExParameterValidation (DWORD dwFlags, LPCWSTR lpwModuleName, HMODULE *phModule)
PVOID WINAPI	BasepMapModuleHandle (HMODULE hModule, BOOLEAN AsDataFile)
BOOL WINAPI	DisableThreadLibraryCalls (IN HMODULE hLibModule)
HINSTANCE WINAPI DECLSPEC_HOTPATCH	LoadLibraryA (LPCSTR lpLibFileName)
HINSTANCE WINAPI DECLSPEC_HOTPATCH	LoadLibraryExA (LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags)
HINSTANCE WINAPI DECLSPEC_HOTPATCH	LoadLibraryW (LPCWSTR lpLibFileName)
static NTSTATUS	BasepLoadLibraryAsDatafile (PWSTR Path, LPCWSTR Name, HMODULE *hModule)
HINSTANCE WINAPI DECLSPEC_HOTPATCH	LoadLibraryExW (LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags)
FARPROC WINAPI	GetProcAddress (HMODULE hModule, LPCSTR lpProcName)
BOOL WINAPI DECLSPEC_HOTPATCH	FreeLibrary (HINSTANCE hLibModule)
VOID WINAPI	FreeLibraryAndExitThread (HMODULE hLibModule, DWORD dwExitCode)
DWORD WINAPI	GetModuleFileNameA (HINSTANCE hModule, LPSTR lpFilename, DWORD nSize)
DWORD WINAPI	GetModuleFileNameW (HINSTANCE hModule, LPWSTR lpFilename, DWORD nSize)
HMODULE WINAPI	GetModuleHandleForUnicodeString (PUNICODE_STRING ModuleName)
BOOLEAN WINAPI	BasepGetModuleHandleExW (BOOLEAN NoLock, DWORD dwPublicFlags, LPCWSTR lpwModuleName, HMODULE *phModule)
HMODULE WINAPI DECLSPEC_HOTPATCH	GetModuleHandleA (LPCSTR lpModuleName)
HMODULE WINAPI	GetModuleHandleW (LPCWSTR lpModuleName)
BOOL WINAPI	GetModuleHandleExW (IN DWORD dwFlags, IN LPCWSTR lpwModuleName OPTIONAL, OUT HMODULE *phModule)
BOOL WINAPI	GetModuleHandleExA (IN DWORD dwFlags, IN LPCSTR lpModuleName OPTIONAL, OUT HMODULE *phModule)
DWORD WINAPI	LoadModule (LPCSTR lpModuleName, LPVOID lpParameterBlock)
FARPROC WINAPI	DelayLoadFailureHook (LPCSTR pszDllName, LPCSTR pszProcName)
BOOL WINAPI	UTRegister (HMODULE hModule, LPSTR lpsz16BITDLL, LPSTR lpszInitName, LPSTR lpszProcName, FARPROC *ppfn32Thunk, FARPROC pfnUT32CallBack, LPVOID lpBuff)
VOID WINAPI	UTUnRegister (HMODULE hModule)
BOOL WINAPI	BaseQueryModuleData (IN LPSTR ModuleName, IN LPSTR Unknown, IN PVOID Unknown2, IN PVOID Unknown3, IN PVOID Unknown4)
NTSTATUS WINAPI	BaseProcessInitPostImport (VOID)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 11 of file loader.c.

Function Documentation

BasepGetModuleHandleExParameterValidation()

DWORD WINAPI BasepGetModuleHandleExParameterValidation	(	DWORD	dwFlags,
		LPCWSTR	lpwModuleName,
		HMODULE *	phModule
	)

Definition at line 26 of file loader.c.

Referenced by BasepGetModuleHandleExW(), GetModuleHandleExA(), and GetModuleHandleExW().

{
    /* Set phModule to 0 if it's not a NULL pointer */
    if (phModule) *phModule = 0;

    /* Check for invalid flags combination */
    if (dwFlags & ~(GET_MODULE_HANDLE_EX_FLAG_PIN |
                    GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT |
                    GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS) ||
        ((dwFlags & GET_MODULE_HANDLE_EX_FLAG_PIN) &&
         (dwFlags & GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT)) ||
         (!lpwModuleName && (dwFlags & GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS))
        )
    {
        BaseSetLastNTError(STATUS_INVALID_PARAMETER_1);
        return BASEP_GET_MODULE_HANDLE_EX_PARAMETER_VALIDATION_ERROR;
    }

    /* Check 2nd parameter */
    if (!phModule)
    {
        BaseSetLastNTError(STATUS_INVALID_PARAMETER_2);
        return BASEP_GET_MODULE_HANDLE_EX_PARAMETER_VALIDATION_ERROR;
    }

    /* Return what we have according to the module name */
    if (lpwModuleName)
    {
        return BASEP_GET_MODULE_HANDLE_EX_PARAMETER_VALIDATION_CONTINUE;
    }

    /* No name given, so put ImageBaseAddress there */
    *phModule = (HMODULE)NtCurrentPeb()->ImageBaseAddress;

    return BASEP_GET_MODULE_HANDLE_EX_PARAMETER_VALIDATION_SUCCESS;
}

BasepGetModuleHandleExW()

BOOLEAN WINAPI BasepGetModuleHandleExW	(	BOOLEAN	NoLock,
		DWORD	dwPublicFlags,
		LPCWSTR	lpwModuleName,
		HMODULE *	phModule
	)

Definition at line 723 of file loader.c.

Referenced by GetModuleHandleExA(), GetModuleHandleExW(), and GetModuleHandleW().

{
    ULONG_PTR Cookie;
    NTSTATUS Status = STATUS_SUCCESS, Status2;
    HANDLE hModule = NULL;
    UNICODE_STRING ModuleNameU;
    DWORD dwValid;
    BOOLEAN Redirected = FALSE; // FIXME

    /* Validate parameters */
    dwValid = BasepGetModuleHandleExParameterValidation(dwPublicFlags, lpwModuleName, phModule);
    ASSERT(dwValid == BASEP_GET_MODULE_HANDLE_EX_PARAMETER_VALIDATION_CONTINUE);

    /* Acquire lock if necessary */
    if (!NoLock)
    {
        Status = LdrLockLoaderLock(0, NULL, &Cookie);
        if (!NT_SUCCESS(Status))
        {
            /* Fail */
            BaseSetLastNTError(Status);
            if (phModule) *phModule = NULL;
            return NT_SUCCESS(Status);
        }
    }

    if (!(dwPublicFlags & GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS))
    {
        /* Create a unicode string out of module name */
        RtlInitUnicodeString(&ModuleNameU, lpwModuleName);

        // FIXME: Do some redirected DLL stuff?
        if (Redirected)
        {
            UNIMPLEMENTED;
        }

        if (!hModule)
        {
            hModule = GetModuleHandleForUnicodeString(&ModuleNameU);
            if (!hModule)
            {
                /* Last error is already set, so just return failure by setting status */
                Status = STATUS_DLL_NOT_FOUND;
                goto quickie;
            }
        }
    }
    else
    {
        /* Perform Pc to file header to get module instance */
        hModule = (HMODULE)RtlPcToFileHeader((PVOID)lpwModuleName,
                                             (PVOID*)&hModule);

        /* Check if it succeeded */
        if (!hModule)
        {
            /* Set "dll not found" status and quit */
            Status = STATUS_DLL_NOT_FOUND;
            goto quickie;
        }
    }

    /* Check if changing reference is not forbidden */
    if (!(dwPublicFlags & GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT))
    {
        /* Add reference to this DLL */
        Status = LdrAddRefDll((dwPublicFlags & GET_MODULE_HANDLE_EX_FLAG_PIN) ? LDR_ADDREF_DLL_PIN : 0,
                              hModule);
    }

quickie:
    /* Set last error in case of failure */
    if (!NT_SUCCESS(Status))
        BaseSetLastNTError(Status);

    /* Unlock loader lock if it was acquired */
    if (!NoLock)
    {
        Status2 = LdrUnlockLoaderLock(0, Cookie);
        ASSERT(NT_SUCCESS(Status2));
    }

    /* Set the module handle to the caller */
    if (phModule) *phModule = hModule;

    /* Return TRUE on success and FALSE otherwise */
    return NT_SUCCESS(Status);
}

BasepInitializeTermsrvFpns()

NTSTATUS WINAPI BasepInitializeTermsrvFpns

(

VOID

)

Definition at line 18 of file loader.c.

Referenced by BaseProcessInitPostImport().

{
    UNIMPLEMENTED;
    return STATUS_NOT_IMPLEMENTED;
}

BasepLoadLibraryAsDatafile()

static NTSTATUS BasepLoadLibraryAsDatafile ( PWSTR  Path, LPCWSTR  Name, HMODULE *  hModule  )

static

Definition at line 186 of file loader.c.

Referenced by LoadLibraryExW().

{
    WCHAR FilenameW[MAX_PATH];
    HANDLE hFile = INVALID_HANDLE_VALUE;
    HANDLE hMapping;
    NTSTATUS Status;
    PVOID lpBaseAddress = NULL;
    SIZE_T ViewSize = 0;
    //PUNICODE_STRING OriginalName;
    //UNICODE_STRING dotDLL = RTL_CONSTANT_STRING(L".DLL");

    /* Zero out handle value */
    *hModule = 0;

    DPRINT("BasepLoadLibraryAsDatafile(%S %S %p)\n", Path, Name, hModule);

    /*Status = RtlDosApplyFileIsolationRedirection_Ustr(TRUE,
                                                      Name,
                                                      &dotDLL,
                                                      RedirName,
                                                      RedirName2,
                                                      &OriginalName2,
                                                      NULL,
                                                      NULL,
                                                      NULL);*/

    /* Try to search for it */
    if (!SearchPathW(Path,
                     Name,
                     L".DLL",
                     sizeof(FilenameW) / sizeof(FilenameW[0]),
                     FilenameW,
                     NULL))
    {
        /* Return last status value directly */
        return NtCurrentTeb()->LastStatusValue;
    }

    /* Open this file we found */
    hFile = CreateFileW(FilenameW,
                        GENERIC_READ,
                        FILE_SHARE_READ | FILE_SHARE_DELETE,
                        NULL,
                        OPEN_EXISTING,
                        0,
                        0);

    /* If opening failed - return last status value */
    if (hFile == INVALID_HANDLE_VALUE) return NtCurrentTeb()->LastStatusValue;

    /* Create file mapping */
    hMapping = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL);

    /* Close the file handle */
    CloseHandle(hFile);

    /* If creating file mapping failed - return last status value */
    if (!hMapping) return NtCurrentTeb()->LastStatusValue;

    /* Map view of section */
    Status = NtMapViewOfSection(hMapping,
                                NtCurrentProcess(),
                                &lpBaseAddress,
                                0,
                                0,
                                0,
                                &ViewSize,
                                ViewShare,
                                0,
                                PAGE_READONLY);

    /* Close handle to the section */
    CloseHandle(hMapping);

    /* If mapping view of section failed - return last status value */
    if (!NT_SUCCESS(Status)) return NtCurrentTeb()->LastStatusValue;

    /* Make sure it's a valid PE file */
    if (!RtlImageNtHeader(lpBaseAddress))
    {
        /* Unmap the view and return failure status */
        UnmapViewOfFile(lpBaseAddress);
        return STATUS_INVALID_IMAGE_FORMAT;
    }

    /* Set low bit of handle to indicate datafile module */
    *hModule = (HMODULE)((ULONG_PTR)lpBaseAddress | 1);

    /* Load alternate resource module */
    //LdrLoadAlternateResourceModule(*hModule, FilenameW);

    return STATUS_SUCCESS;
}

BasepMapModuleHandle()

PVOID WINAPI BasepMapModuleHandle	(	HMODULE	hModule,
		BOOLEAN	AsDataFile
	)

Definition at line 67 of file loader.c.

Referenced by GetModuleFileNameW(), and GetProcAddress().

{
    /* If no handle is provided - use current image base address */
    if (!hModule) return NtCurrentPeb()->ImageBaseAddress;

    /* Check if it's a normal or a datafile one */
    if (LDR_IS_DATAFILE(hModule) && !AsDataFile)
        return NULL;

    /* It's a normal DLL, just return its handle */
    return hModule;
}

BaseProcessInitPostImport()

NTSTATUS WINAPI BaseProcessInitPostImport

(

VOID

)

Definition at line 1141 of file loader.c.

{
    DPRINT("Post-init called\n");

    /* Check if this is a terminal server */
    if (SharedUserData->SuiteMask & VER_SUITE_TERMINAL)
    {
        /* Initialize TS pointers */
        return BasepInitializeTermsrvFpns();
    }

    /* FIXME: Initialize TS pointers */
    return STATUS_SUCCESS;
}

BaseQueryModuleData()

BOOL WINAPI BaseQueryModuleData	(	IN LPSTR	ModuleName,
		IN LPSTR	Unknown,
		IN PVOID	Unknown2,
		IN PVOID	Unknown3,
		IN PVOID	Unknown4
	)

Definition at line 1121 of file loader.c.

{
    DPRINT1("BaseQueryModuleData called: %s %s %p %p %p\n",
            ModuleName,
            Unknown,
            Unknown2,
            Unknown3,
            Unknown4);
    return FALSE;
}

DelayLoadFailureHook()

FARPROC WINAPI DelayLoadFailureHook	(	LPCSTR	pszDllName,
		LPCSTR	pszProcName
	)

Definition at line 1090 of file loader.c.

{
    STUB;
    return NULL;
}

DisableThreadLibraryCalls()

BOOL WINAPI DisableThreadLibraryCalls

(

IN HMODULE

hLibModule

)

Definition at line 85 of file loader.c.

Referenced by _CorDllMain(), DllMain(), if(), LpkDllInitialize(), STRMBASE_DllMain(), WIC_DllMain(), and wined3d_dll_init().

{
    NTSTATUS Status;

    /* Disable thread library calls */
    Status = LdrDisableThreadCalloutsForDll((PVOID)hLibModule);

    /* If it wasn't success - set last error and return failure */
    if (!NT_SUCCESS(Status))
    {
        BaseSetLastNTError(Status);
        return FALSE;
    }

    /* Return success */
    return TRUE;
}

FreeLibrary()

BOOL WINAPI DECLSPEC_HOTPATCH FreeLibrary

(

HINSTANCE

hLibModule

)

Definition at line 458 of file loader.c.

Referenced by child_process(), dll_entry_point(), map_image_section(), test_filenames(), test_image_mapping(), test_import_resolution(), test_Loader(), test_ResolveDelayLoadedAPI(), test_section_access(), and wine_dlclose().

{
    NTSTATUS Status;
    PIMAGE_NT_HEADERS NtHeaders;

    if (LDR_IS_DATAFILE(hLibModule))
    {
        // FIXME: This SEH should go inside RtlImageNtHeader instead
        // See https://jira.reactos.org/browse/CORE-14857
        _SEH2_TRY
        {
            /* This is a LOAD_LIBRARY_AS_DATAFILE module, check if it's a valid one */
            NtHeaders = RtlImageNtHeader((PVOID)((ULONG_PTR)hLibModule & ~1));
        }
        _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
        {
            NtHeaders = NULL;
        } _SEH2_END

        if (NtHeaders)
        {
            /* Unmap view */
            Status = NtUnmapViewOfSection(NtCurrentProcess(), (PVOID)((ULONG_PTR)hLibModule & ~1));

            /* Unload alternate resource module */
            LdrUnloadAlternateResourceModule(hLibModule);
        }
        else
            Status = STATUS_INVALID_IMAGE_FORMAT;
    }
    else
    {
        /* Just unload it */
        Status = LdrUnloadDll((PVOID)hLibModule);
    }

    /* Check what kind of status we got */
    if (!NT_SUCCESS(Status))
    {
        /* Set last error */
        BaseSetLastNTError(Status);

        /* Return failure */
        return FALSE;
    }

    /* Return success */
    return TRUE;
}

FreeLibraryAndExitThread()

VOID WINAPI FreeLibraryAndExitThread	(	HMODULE	hLibModule,
		DWORD	dwExitCode
	)

Definition at line 514 of file loader.c.

Referenced by collect_connections_proc(), connection_collector(), ExitThreadApc(), GPNotificationThreadProc(), LookupThreadProc(), CSysTray::SysTrayThreadProc(), wined3d_cs_run(), and WsAsyncThread().

{

    if (LDR_IS_DATAFILE(hLibModule))
    {
        /* This is a LOAD_LIBRARY_AS_DATAFILE module */
        if (RtlImageNtHeader((PVOID)((ULONG_PTR)hLibModule & ~1)))
        {
            /* Unmap view */
            NtUnmapViewOfSection(NtCurrentProcess(), (PVOID)((ULONG_PTR)hLibModule & ~1));

            /* Unload alternate resource module */
            LdrUnloadAlternateResourceModule(hLibModule);
        }
    }
    else
    {
        /* Just unload it */
        LdrUnloadDll((PVOID)hLibModule);
    }

    /* Exit thread */
    ExitThread(dwExitCode);
}

GetModuleFileNameA()

DWORD WINAPI GetModuleFileNameA	(	HINSTANCE	hModule,
		LPSTR	lpFilename,
		DWORD	nSize
	)

Definition at line 546 of file loader.c.

Referenced by __getmainargs(), _assert(), _module_name_from_addr(), AssertFail(), create_proc(), doChild(), FreeLibrary(), get_app_key(), GetWindowModuleFileNameA(), init_test(), InstallService(), MLLoadLibraryA(), rdp_send_logon_info(), register_current_module_typelib(), register_service(), register_service_exA(), run_child_process(), run_js_script(), setup_dsound_options(), START_TEST(), STRMBASE_DllGetClassObject(), test(), test_32bit_win(), test_ExitCode(), test_extra_block(), test_filenames(), test_GetMappedFileName(), test_GetModuleBaseName(), test_GetModuleFileNameEx(), test_GetSetConsoleInputExeName(), test_GetWindowModuleFileName(), test_IME(), test_info_size(), test_inheritance(), test_internet_features_registry(), test_load_save(), test_LoadLibraryEx_search_flags(), test_loadlibraryshim(), test_LocalizedNames(), test_QueryFullProcessImageNameA(), test_VerQueryValueA(), testGetModuleFileName(), testGetModuleFileName_Wrong(), TestGetModuleFileNameA(), and wined3d_dll_init().

{
    UNICODE_STRING FilenameW;
    ANSI_STRING FilenameA;
    NTSTATUS Status;
    DWORD Length = 0, LengthToCopy;

    /* Allocate a unicode buffer */
    FilenameW.Buffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, nSize * sizeof(WCHAR));
    if (!FilenameW.Buffer)
    {
        BaseSetLastNTError(STATUS_NO_MEMORY);
        return 0;
    }

    /* Call unicode API */
    FilenameW.Length = (USHORT)GetModuleFileNameW(hModule, FilenameW.Buffer, nSize) * sizeof(WCHAR);
    FilenameW.MaximumLength = FilenameW.Length + sizeof(WCHAR);

    if (FilenameW.Length)
    {
        /* Convert to ansi string */
        Status = BasepUnicodeStringTo8BitString(&FilenameA, &FilenameW, TRUE);
        if (!NT_SUCCESS(Status))
        {
            /* Set last error, free string and return failure */
            BaseSetLastNTError(Status);
            RtlFreeUnicodeString(&FilenameW);
            return 0;
        }

        /* Calculate size to copy */
        Length = min(nSize, FilenameA.Length);

        /* Include terminating zero */
        if (nSize > Length)
            LengthToCopy = Length + 1;
        else
            LengthToCopy = nSize;

        /* Now copy back to the caller amount he asked */
        RtlMoveMemory(lpFilename, FilenameA.Buffer, LengthToCopy);

        /* Free ansi filename */
        RtlFreeAnsiString(&FilenameA);
    }

    /* Free unicode filename */
    RtlFreeHeap(RtlGetProcessHeap(), 0, FilenameW.Buffer);

    /* Return length copied */
    return Length;
}

GetModuleFileNameW()

DWORD WINAPI GetModuleFileNameW	(	HINSTANCE	hModule,
		LPWSTR	lpFilename,
		DWORD	nSize
	)

Definition at line 607 of file loader.c.

Referenced by __report_error(), __wgetmainargs(), _CorExeMain(), _CreateActCtxFromFile(), _CreateV5ActCtx(), _DoDLLInjection(), _RunRemoteTest(), AMovieDllRegisterServer2(), AtlLoadTypeLib(), ATL::AtlLoadTypeLib(), AtlUpdateRegistryFromResourceD(), CommandLineToArgvW(), ATL::CAtlModule::CommonInitRegistrar(), create_registrar(), CURSORICON_LoadImageW(), BtrfsVolPropSheet::DeviceDlgProc(), DllRegisterServer(), ExtractAssociatedIconW(), FILEDLG95_MRU_load_filename(), FILEDLG95_MRU_save_filename(), get_mmioFromProfile(), CConfiguration::GetConfigurationFromFile(), CNtObjectFolderExtractIcon::GetIconLocation(), CRegistryFolderExtractIcon::GetIconLocation(), CNetConUiObject::GetIconLocation(), GetModuleFileNameA(), BtrfsIconOverlay::GetOverlayInfo(), GetWindowModuleFileNameW(), Host_get_FullName(), Host_get_Path(), if(), init_paths(), InitLogs(), InstallEventSource(), IntSetWindowsHook(), BtrfsContextMenu::InvokeCommand(), load_process_feature(), load_typelib(), SEALED_::LoadTypeLibrary(), LPK_ApplyMirroring(), MLBuildResURLW(), MLLoadLibraryW(), NdrDllRegisterProxy(), BtrfsPropSheet::open_as_admin(), BtrfsBalance::PauseBalance(), ReallyFixupVTable(), register_clsid(), register_service(), register_service_exW(), RegisterComponent(), RegisterInShimCache(), BtrfsVolPropSheet::ResetStats(), ResProtocolInfo_ParseUrl(), RetrieveCurrentModuleNTDirectory(), RunApphelpCacheControlTests(), search_res_tlb(), set_firewall(), SetWinEventHook(), BtrfsVolPropSheet::ShowScrub(), ShowUsage(), START_TEST(), BtrfsBalance::StartBalance(), StartChild(), BtrfsBalance::StopBalance(), CSysTray::SysTrayThreadProc(), taskdialog_get_exe_name(), test_32bit_win(), Test_ApphelpCheckRunApp(), test_commandline2argv(), test_FakeDLL(), Test_GetMatchingExe(), Test_ImageSection(), test_Load(), test_NetFwAuthorizedApplication(), test_QueryFullProcessImageNameW(), test_WTSEnumerateProcessesW(), TestDllStartup(), testGetModuleFileName(), testGetModuleFileName_Wrong(), TestGetModuleFileNameW(), TestPrivMoveFileIdentityW(), TestRedirection(), TestStaticDestruct(), User32CallEventProcFromKernel(), validate_SDBQUERYRESULT_size(), and write_predefined_strings().

{
    PLIST_ENTRY ModuleListHead, Entry;
    PLDR_DATA_TABLE_ENTRY Module;
    ULONG Length = 0;
    ULONG_PTR Cookie;
    PPEB Peb;

    hModule = BasepMapModuleHandle(hModule, FALSE);

    /* Upscale nSize from chars to bytes */
    nSize *= sizeof(WCHAR);

    _SEH2_TRY
    {
        /* We don't use per-thread cur dir now */
        //PRTL_PERTHREAD_CURDIR PerThreadCurdir = (PRTL_PERTHREAD_CURDIR)teb->NtTib.SubSystemTib;

        Peb = NtCurrentPeb ();

        /* Acquire a loader lock */
        LdrLockLoaderLock(LDR_LOCK_LOADER_LOCK_FLAG_RAISE_ON_ERRORS, NULL, &Cookie);

        /* Traverse the module list */
        ModuleListHead = &Peb->Ldr->InLoadOrderModuleList;
        Entry = ModuleListHead->Flink;
        while (Entry != ModuleListHead)
        {
            Module = CONTAINING_RECORD(Entry, LDR_DATA_TABLE_ENTRY, InLoadOrderLinks);

            /* Check if this is the requested module */
            if (Module->DllBase == (PVOID)hModule)
            {
                /* Calculate size to copy */
                Length = min(nSize, Module->FullDllName.MaximumLength);

                /* Copy contents */
                RtlMoveMemory(lpFilename, Module->FullDllName.Buffer, Length);

                /* Subtract a terminating zero */
                if (Length == Module->FullDllName.MaximumLength)
                    Length -= sizeof(WCHAR);

                /* Break out of the loop */
                break;
            }

            /* Advance to the next entry */
            Entry = Entry->Flink;
        }
    }
    _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
    {
        BaseSetLastNTError(_SEH2_GetExceptionCode());
        Length = 0;
    } _SEH2_END

    /* Release the loader lock */
    LdrUnlockLoaderLock(LDR_LOCK_LOADER_LOCK_FLAG_RAISE_ON_ERRORS, Cookie);

    return Length / sizeof(WCHAR);
}

GetModuleHandleA()

HMODULE WINAPI DECLSPEC_HOTPATCH GetModuleHandleA

(

LPCSTR

lpModuleName

)

Definition at line 819 of file loader.c.

Referenced by __mingw_get_msvcrt_handle(), _configure_devices(), add_128x15_bitmap(), build_toolbar(), check_address(), check_dialog_style(), check_z_order_debug(), child_process(), cleanup(), compat_catpath(), create_animate(), create_async_message_window(), create_custom_parent_window(), create_dde_server(), create_dde_window(), create_edit_control(), create_listview_control(), create_main_test_wnd(), create_monthcal_control(), create_pager_control(), create_parent(), create_parent_window(), create_progress(), create_rebar_control(), create_testfontfile(), create_trackbar(), create_trackbar2(), create_treeview_control(), create_updown_control(), createMainWnd(), createParentWindow(), CreateRemoteThread(), CreateTestWindow(), destroy_dde_window(), detect_locale(), DliHook(), dll_entry_point(), DllMain(), DllUnregisterServer(), do_child(), do_parent(), doChild(), drop_window_therad(), dsm_RegisterWindowClasses(), dump_system_info(), EDIT_WM_ContextMenu(), empty_dlg_proc2(), EnumResourceLanguagesA(), EnumResourceNamesA(), EnumResourceTypesA(), ExceptionFilter(), ExtractIconExW(), get_host_winver(), get_mono_path(), get_res_data(), GetDriverVersion(), GetEnvStatus(), hook_WaitForInputIdle(), include_pac_utils(), init(), Init(), init_aes_environment(), init_base_environment(), init_func_ptrs(), init_funcs(), init_function_pointers(), init_function_ptrs(), init_functionpointers(), init_functions(), init_pointers(), init_procs(), init_test(), init_tests(), init_threadpool(), InitFunctionPointers(), InitFunctionPtrs(), is_lang_english(), is_module_loaded(), is_process_limited(), load_it_up(), load_resource(), load_v6_module(), LoadResource(), loadShell32(), mdi_RegisterWindowClasses(), MSVCRT_locale_to_LCID(), MyUserYield(), MyWndProc(), NPSAuthenticationDialogA(), path_to_pidl(), print_version(), rebuild_toolbar(), register_child_wnd_class(), register_class(), register_classes(), register_dummy_class(), register_menu_check_class(), register_parent_class(), register_parent_wnd_class(), register_style_check_class(), register_testwindow_class(), register_window_class(), register_window_classes(), register_wmime_keydown_class(), RegisterClassHelper(), registerParentWindowClass(), RegisterWindowClasses(), running_under_wine(), scrollbar_test_init(), setup_pointers(), sheet_callback(), ShowUsage(), START_TEST(), subclass_button(), subclass_combobox(), subclass_edit(), subclass_static(), test_accelerators(), test_AccessCheck(), test_acmDriverAdd(), test_add_bitmap(), test_add_string(), test_aligned(), test_arrange(), test_attach_input(), test_ax_win(), test_builtinproc(), test_buttons(), test_capture_4(), test_change_focus(), test_CheckMenuRadioItem(), test_child_window_from_point(), test_clipboard_viewers(), test_comctl32_class(), test_converttoemfplus(), test_cookie_attrs(), test_CoWaitForMultipleHandles(), test_crash_couninitialize(), test_create(), test_create_view_template(), test_CreateActCtx(), test_createeffect(), test_createtoolbarex(), test_CreateUpDownControl(), test_CreateWindow(), test_csparentdc(), test_custom_default_button(), test_customdraw(), test_data_cache(), test_dc_layout(), test_default_handler_run(), test_DeleteDC(), test_dialog_messages(), test_dialog_parent(), test_DialogBoxParam(), test_dialogmode(), test_directory_filename(), test_disableowner(), test_drawimage(), test_EM_SETTEXTEX(), test_EN_LINK(), test_EndDialog(), test_EnumProcessModules(), test_eventMask(), test_events(), test_ExitCode(), test_ExtractIcon(), test_FakeDLL(), test_filenames(), test_fullscreen(), test_GdiConvertToDevmodeW(), test_gdiis(), test_GdipInitializePalette(), test_GetConsoleFontInfo(), test_GetConsoleFontSize(), test_GetConsoleScreenBufferInfoEx(), Test_GetDCEx_Cached(), Test_GetDCEx_CS_CLASSDC(), Test_GetDCEx_CS_Mixed(), Test_GetDCEx_CS_OWNDC(), Test_GetDCEx_CS_SwitchedStyle(), test_GetFileVersionInfoEx(), Test_GetKeyState(), test_GetLargestConsoleWindowSize(), test_GetLastActivePopup(), test_GetListBoxInfo(), test_GetMappedFileName(), test_GetModuleBaseName(), test_GetModuleFileNameEx(), test_GetModuleInformation(), test_GetPhysicallyInstalledSystemMemory(), test_GetProcessImageFileName(), test_GetScrollBarInfo(), test_GetSetConsoleInputExeName(), test_getstring(), test_gettext(), test_GetUpdateRect(), test_GetWindowModuleFileName(), test_heap(), test_HeapQueryInformation(), test_hotkey(), test_I_RpcExceptionFilter(), test_I_UpdateStore(), test_IgnoreFreeLibrary(), test_IME(), test_ImmGetCompositionString(), test_ImmMessages(), test_import_resolution(), test_ImportDescriptors(), test_Input_blackbox(), test_Input_mouse(), test_Input_whitebox(), test_InSendMessage(), test_instances(), test_invisible_create(), test_iocp_callback(), test_IsWindowUnicode(), test_launch_app_registry(), test_layout(), test_ldap_parse_sort_control(), test_LdrAddRefDll(), test_listbox_dlgdir(), test_Loader(), test_LoadImage(), test_LoadStringA(), test_LoadStringW(), test_longtextA(), test_maximum_allowed(), test_md5_ctx(), test_mdi(), test_MDI_child_stack(), test_MDI_create(), test_mdi_messages(), test_menu_hilitemenuitem(), test_menu_input(), test_menu_messages(), test_message_from_hmodule(), test_messages(), test_mouse_ll_hook(), test_mru(), test_msidecomposedesc(), test_NdrDllGetClassObject(), test_NdrDllRegisterProxy(), test_NdrGetUserMarshalInfo(), test_nopage(), test_noresize(), test_NtAreMappedFilesTheSame(), test_null_filename(), test_obsolete_flags(), test_ok(), test_ole_initialization(), test_pager(), test_param_check(), test_pe_checksum(), test_PlaySound(), test_popup_zorder(), test_propertytovariant(), test_proxy_used_in_wrong_thread(), test_PSM_ADDPAGE(), test_PSM_INSERTPAGE(), test_queryvirtualmemory(), test_quit_message(), test_redraw(), test_redrawnow(), test_registrar(), test_resizable2(), test_resize(), test_set_clipboard_DRAWCLIPBOARD(), test_set_hook(), test_set_window_style(), test_SetConsoleFont(), Test_SetCursorPos(), test_setinfo(), test_sha_ctx(), test_SHChangeNotify(), test_SHCreateWorkerWindowA(), test_shell_window(), test_SHSetWindowBits(), test_Sign_Media(), test_SIPLoad(), test_sizes(), test_smresult(), test_sscanf_s(), test_stgcreatestorageex(), test_stillimage_aggregation(), test_subitem_rect(), test_swscanf_s(), test_thick_child_size(), test_thread_start_address(), test_timer(), test_title(), test_tooltip(), test_treeview_classinfo(), test_TTM_ADDTOOL(), test_ttm_gettoolinfo(), test_TTN_SHOW(), test_update_region(), test_updown_buddy(), test_updown_create(), test_UuidCreateSequential(), test_varianttoproperty(), test_verifyRevocation(), test_version_flag_versus_aw(), test_WaitForInputIdle(), test_winevents(), test_winproc_handles(), test_wiznavigation(), test_WM_NOTIFY(), test_wndproc(), test_write_watch(), testGetModuleFileName(), testK32GetModuleInformation(), testNestedLoadLibraryA(), wined3d_adapter_init(), WINMM_CheckForMMSystem(), and write_typelib().

{
    PUNICODE_STRING ModuleNameW;
    PTEB pTeb = NtCurrentTeb();

    /* Check if we have no name to convert */
    if (!lpModuleName)
        return ((HMODULE)pTeb->ProcessEnvironmentBlock->ImageBaseAddress);

    /* Convert module name to unicode */
    ModuleNameW = Basep8BitStringToStaticUnicodeString(lpModuleName);

    /* Call W version if conversion was successful */
    if (ModuleNameW)
        return GetModuleHandleW(ModuleNameW->Buffer);

    /* Return failure */
    return 0;
}

GetModuleHandleExA()

BOOL WINAPI GetModuleHandleExA	(	IN DWORD	dwFlags,
		IN LPCSTR lpModuleName	OPTIONAL,
		OUT HMODULE *	phModule
	)

Definition at line 903 of file loader.c.

Referenced by testGetModuleHandleEx().

{
    PUNICODE_STRING lpModuleNameW;
    DWORD dwValid;
    BOOL Ret;

    /* Validate parameters */
    dwValid = BasepGetModuleHandleExParameterValidation(dwFlags, (LPCWSTR)lpModuleName, phModule);

    /* If result is invalid parameter - return failure */
    if (dwValid == BASEP_GET_MODULE_HANDLE_EX_PARAMETER_VALIDATION_ERROR) return FALSE;

    /* If result is 2, there is no need to do anything - return success. */
    if (dwValid == BASEP_GET_MODULE_HANDLE_EX_PARAMETER_VALIDATION_SUCCESS) return TRUE;

    /* Check if we don't need to convert the name */
    if (dwFlags & GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS)
    {
        /* Call the extended version of the API without conversion */
        Ret = BasepGetModuleHandleExW(FALSE,
                                      dwFlags,
                                      (LPCWSTR)lpModuleName,
                                      phModule);
    }
    else
    {
        /* Convert module name to unicode */
        lpModuleNameW = Basep8BitStringToStaticUnicodeString(lpModuleName);

        /* Return FALSE if conversion failed */
        if (!lpModuleNameW) return FALSE;

        /* Call the extended version of the API */
        Ret = BasepGetModuleHandleExW(FALSE,
                                      dwFlags,
                                      lpModuleNameW->Buffer,
                                      phModule);
    }

    /* Return result */
    return Ret;
}

GetModuleHandleExW()

BOOL WINAPI GetModuleHandleExW	(	IN DWORD	dwFlags,
		IN LPCWSTR lpwModuleName	OPTIONAL,
		OUT HMODULE *	phModule
	)

Definition at line 873 of file loader.c.

Referenced by cache_connection(), ATL::CAtlBaseModule::CAtlBaseModule(), ATL::CAtlComModule::CAtlComModule(), DllMain(), GPNotificationThreadProc(), http_release_netconn(), LookupThreadProc(), testGetModuleHandleEx(), and wined3d_cs_create().

{
    DWORD dwValid;
    BOOL Ret;

    /* Validate parameters */
    dwValid = BasepGetModuleHandleExParameterValidation(dwFlags, lpwModuleName, phModule);

    /* If result is invalid parameter - return failure */
    if (dwValid == BASEP_GET_MODULE_HANDLE_EX_PARAMETER_VALIDATION_ERROR) return FALSE;

    /* If result is 2, there is no need to do anything - return success. */
    if (dwValid == BASEP_GET_MODULE_HANDLE_EX_PARAMETER_VALIDATION_SUCCESS) return TRUE;

    /* Use common helper routine */
    Ret = BasepGetModuleHandleExW(FALSE,
                                  dwFlags,
                                  lpwModuleName,
                                  phModule);

    return Ret;
}

GetModuleHandleForUnicodeString()

HMODULE WINAPI GetModuleHandleForUnicodeString

(

PUNICODE_STRING

ModuleName

)

Definition at line 674 of file loader.c.

Referenced by BasepGetModuleHandleExW().

{
    NTSTATUS Status;
    PVOID Module;
    LPWSTR DllPath;

    /* Try to get a handle with a magic value of 1 for DllPath */
    Status = LdrGetDllHandle((LPWSTR)1, NULL, ModuleName, &Module);

    /* If that succeeded - we're done */
    if (NT_SUCCESS(Status)) return Module;

    /* If not, then the path should be computed */
    DllPath = BaseComputeProcessDllPath(NULL, 0);
    if (!DllPath)
    {
        Status = STATUS_NO_MEMORY;
    }
    else
    {
        _SEH2_TRY
        {
            Status = LdrGetDllHandle(DllPath, NULL, ModuleName, &Module);
        }
        _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
        {
            /* Fail with the SEH error */
            Status = _SEH2_GetExceptionCode();
        }
        _SEH2_END;
    }

    /* Free the DllPath */
    RtlFreeHeap(RtlGetProcessHeap(), 0, DllPath);

    /* In case of error set last win32 error and return NULL */
    if (!NT_SUCCESS(Status))
    {
        DPRINT("Failure acquiring DLL module '%wZ' handle, Status 0x%08X\n", ModuleName, Status);
        BaseSetLastNTError(Status);
        Module = 0;
    }

    /* Return module */
    return (HMODULE)Module;
}

GetModuleHandleW()

HMODULE WINAPI GetModuleHandleW

(

LPCWSTR

lpModuleName

)

Definition at line 845 of file loader.c.

Referenced by _CorExeMain(), CBandSiteMenu::_CreateMenuPart(), CBandSiteMenu::_CreateNewISFBand(), _DoDLLInjection(), CBandSiteBase::_OnContextMenu(), _SHCreateDesktop(), _SHDesktopMessageLoop(), _ShellDDEInit(), CBandSiteMenu::_ShowToolbarError(), AddTextButton(), AllocAndLoadString(), ApplicationPage_OnSwitchTo(), ApplicationPageOnNotify(), ask_confirm(), AtlAxWinInit(), cleanup(), CMenuBand_CreateInstance(), Confirm(), CDeviceManager::Create(), create_clipbrd_window(), create_listview_controlW(), create_parent_window(), create_syslink(), create_test_windows(), device_tests(), dialog_about(), dialog_viewproperties(), DoEntry(), DoLoadStrings(), DrawThemeText(), EnumJoysticks(), EnumResourceLanguagesW(), EnumResourceNamesW(), EnumResourceTypesW(), EnumWindowsProc(), execute_test(), exit(), extract_resource(), fetch_shlwapi_ordinal(), FILEDLG95_MRU_load_filename(), FILEDLG95_MRU_save_filename(), FindResourceExA(), FindResourceExW(), get_print_file_filter(), BtrfsContextMenu::get_uac_icon(), GetComCtl32Version(), GetLocalsplFuncs(), GetModuleHandleA(), GetProc(), GetResource(), GetSeconds(), GetSpoolssFunc(), GetSystemCPU(), CConfiguration::GetSystemInformation(), ie_dialog_about(), ImmGetContextThreadFunc(), init(), init_preview(), InitializeAPI(), InitThreads(), IntInitializeImmEntryTable(), IsWininetLoaded(), IsWinsockLoaded(), joystick_tests(), keyboard_tests(), load_message(), LsapInitSids(), LsarpLookupPrivilegeDisplayName(), main(), MCIWndCreateW(), MessageBoxWithResStringW(), mouse_tests(), msg_spy_init(), newfile_proc(), OLEClipbrd_UnInitialize(), OnCommand(), OnCreate(), output_message(), output_value(), paraformat_proc(), preview_exit(), preview_proc(), CISFBand::QueryContextMenu(), register_iewindow_class(), register_parent_wnd_class(), RegisterClassExWOWW(), RegisterWindowClasses(), RichEditOleCallback_GetContextMenu(), run_test(), SampInitializeSAM(), START_TEST(), taskkill_message(), taskkill_message_printfW(), test_actctx_classes(), test_builtinproc(), test_default_ime_disabled_cb(), test_default_ime_window_cancel_cb(), test_default_ime_window_cb(), test_default_ime_with_message_only_window_cb(), test_directory_filename(), test_find_resource(), test_GetInterfaceName(), test_icons(), test_ime_processkey(), test_ImmDefaultHwnd(), test_Input_unicode(), test_LoadImage(), test_longtextW(), test_message_conversion(), test_null_filename(), test_rtti(), Test_SetCursorPos(), test_track(), test_write_watch(), TestManualInstantiation(), TestSoftModalMsgBox(), toggle_num_pages(), TrayIcon_ShellAddTrayIcon(), UnloadAppInitDlls(), update_preview_statusbar(), UpdatePerUserImmEnabling(), usage(), User32CallEventProcFromKernel(), User32CallHookProcFromKernel(), UserpFormatMessages(), WhoamiLoadRcString(), WineFile_OnRun(), WinMain(), wWinMain(), and XCOPY_LoadMessage().

{
    HMODULE hModule;
    BOOLEAN Success;

    /* If current module is requested - return it right away */
    if (!lpModuleName)
        return ((HMODULE)NtCurrentPeb()->ImageBaseAddress);

    /* Use common helper routine */
    Success = BasepGetModuleHandleExW(TRUE,
                                      GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
                                      lpModuleName,
                                      &hModule);

    /* If it wasn't successful - return NULL */
    if (!Success) hModule = NULL;

    /* Return the handle */
    return hModule;
}

GetProcAddress()

FARPROC WINAPI GetProcAddress	(	HMODULE	hModule,
		LPCSTR	lpProcName
	)

Definition at line 399 of file loader.c.

Referenced by START_TEST(), test_FakeDLL(), test_import_resolution(), test_ResolveDelayLoadedAPI(), and wine_dlsym().

{
    ANSI_STRING ProcedureName, *ProcNamePtr = NULL;
    FARPROC fnExp = NULL;
    NTSTATUS Status;
    PVOID hMapped;
    ULONG Ordinal = 0;

    if ((ULONG_PTR)lpProcName > MAXUSHORT)
    {
        /* Look up by name */
        RtlInitAnsiString(&ProcedureName, (LPSTR)lpProcName);
        ProcNamePtr = &ProcedureName;
    }
    else
    {
        /* Look up by ordinal */
        Ordinal = PtrToUlong(lpProcName);
    }

    /* Map provided handle */
    hMapped = BasepMapModuleHandle(hModule, FALSE);

    /* Get the proc address */
    Status = LdrGetProcedureAddress(hMapped,
                                    ProcNamePtr,
                                    Ordinal,
                                    (PVOID*)&fnExp);

    if (!NT_SUCCESS(Status))
    {
        BaseSetLastNTError(Status);
        return NULL;
    }

    /* Check for a special case when returned pointer is
       the same as image's base address */
    if (fnExp == hMapped)
    {
        /* Set correct error code */
        if (HIWORD(lpProcName) != 0)
            BaseSetLastNTError(STATUS_ENTRYPOINT_NOT_FOUND);
        else
            BaseSetLastNTError(STATUS_ORDINAL_NOT_FOUND);

        return NULL;
    }

    /* All good, return procedure pointer */
    return fnExp;
}

LoadLibraryA()

HINSTANCE WINAPI DECLSPEC_HOTPATCH LoadLibraryA

(

LPCSTR

lpLibFileName

)

Definition at line 111 of file loader.c.

Referenced by __delayLoadHelper2(), _loaddll(), _mesa_dlopen(), child_process(), create_printer_dc(), CreateProxyFromTypeInfo(), CreateStubFromTypeInfo(), CRYPT_CreateKeyProv(), DefineDosDeviceW(), Direct3DCreate9(), DliFailHook(), DliHook(), dll_entry_point(), DllUnregisterServer(), DP_LoadSP(), EnableDialogTheme(), ExceptionFilter(), Extract(), extract_cabinet_file(), ExtractFilesA(), FGetComponentPath(), get_corversion(), GetFileNamePreview(), GetUIVersion(), init(), Init(), init_function_pointers(), init_function_ptrs(), init_functionpointers(), init_functions(), init_gdip(), init_pointers(), init_test_functions(), init_tests(), InitFuncPtrs(), InitFunctionPtr(), InitFunctionPtrs(), load_functions(), load_v6_module(), LoadCABINETDll(), LoadCOM(), loadIPHlpApi(), ATL::CImage::COMMON::LoadLib(), LoadLibraryList(), LoadShimDLL(), MACRO_RegisterRoutine(), main(), MCICDA_drvOpen(), MLLoadLibraryA(), msi_dialog_scrolltext_control(), parse_url_from_outside(), prepare_test(), profile_items_callback(), propvar_changetype(), rand_s(), RegisterDeviceNotificationW(), seterror(), SHDOCVW_LoadShell32(), START_TEST(), test_AdvInstallFile(), test_DeviceCapabilities(), test_filenames(), test_GetModuleInformation(), test_IgnoreFreeLibrary(), test_image_mapping(), test_import_resolution(), test_Input_unicode(), test_LdrAddRefDll(), test_Loader(), test_LoadIconWithScaleDown(), test_onefile(), test_res_protocol(), test_ResolveDelayLoadedAPI(), test_section_access(), test_SetDefaultDllDirectories(), test_shell_imagelist(), test_typelib(), test_WICCreateBitmapFromSectionEx(), testGetModuleHandleEx(), testLoadLibraryA(), testLoadLibraryA_Wrong(), testNestedLoadLibraryA(), ThirdPartyVDDBop(), twain_add_onedriver(), TWAIN_OpenDS(), UIINSERTOBJECTDLG_AddControl(), UnregisterDeviceNotification(), use_common(), vmr_create(), WhichPlatform(), wine_dlopen(), WinMain(), WsNpInitialize(), and WspiapiLoad().

{
    LPSTR PathBuffer;
    UINT Len;
    HINSTANCE Result;

    /* Treat twain_32.dll in a special way (what a surprise...) */
    if (lpLibFileName && !_strcmpi(lpLibFileName, "twain_32.dll"))
    {
        /* Allocate space for the buffer */
        PathBuffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, MAX_PATH);
        if (PathBuffer)
        {
            /* Get windows dir in this buffer */
            Len = GetWindowsDirectoryA(PathBuffer, MAX_PATH - 13); /* 13 is sizeof of '\\twain_32.dll' */
            if (Len && Len < (MAX_PATH - 13))
            {
                /* We successfully got windows directory. Concatenate twain_32.dll to it */
                strncat(PathBuffer, "\\twain_32.dll", 13);

                /* And recursively call ourselves with a new string */
                Result = LoadLibraryA(PathBuffer);

                /* If it was successful -  free memory and return result */
                if (Result)
                {
                    RtlFreeHeap(RtlGetProcessHeap(), 0, PathBuffer);
                    return Result;
                }
            }

            /* Free allocated buffer */
            RtlFreeHeap(RtlGetProcessHeap(), 0, PathBuffer);
        }
    }

    /* Call the Ex version of the API */
    return LoadLibraryExA(lpLibFileName, 0, 0);
}

LoadLibraryExA()

HINSTANCE WINAPI DECLSPEC_HOTPATCH LoadLibraryExA	(	LPCSTR	lpLibFileName,
		HANDLE	hFile,
		DWORD	dwFlags
	)

Definition at line 157 of file loader.c.

Referenced by extract_test_proc(), LoadLibraryA(), LoadModuleWithSymbolsFullPath(), map_image_section(), SHPinDllOfCLSID(), START_TEST(), test_import_resolution(), test_Loader(), test_LoadLibraryEx_search_flags(), test_pe_checksum(), test_SetDefaultDllDirectories(), and testLoadLibraryEx().

{
    PUNICODE_STRING FileNameW;

    /* Convert file name to unicode */
    if (!(FileNameW = Basep8BitStringToStaticUnicodeString(lpLibFileName)))
        return NULL;

    /* And call W version of the API */
    return LoadLibraryExW(FileNameW->Buffer, hFile, dwFlags);
}

LoadLibraryExW()

HINSTANCE WINAPI DECLSPEC_HOTPATCH LoadLibraryExW	(	LPCWSTR	lpLibFileName,
		HANDLE	hFile,
		DWORD	dwFlags
	)

Definition at line 286 of file loader.c.

Referenced by add_zone_to_listview(), CoLoadLibrary(), COMPOBJ_DllList_Add(), CClassNode::ConvertResourceDescriptorToString(), CURSORICON_CopyImage(), DIALOG_SYMBOL_DlgProc(), do_register_dll(), DoExtractIcon(), DoLoadIcons(), EngLoadModule(), get_shdoclc(), GetFileVersionInfoExW(), GetFileVersionInfoSizeExW(), GetMessageStringFromDll(), GetServiceDllFunction(), ITERATE_RegisterTypeLibraries(), load_xul(), LoadLibraryExA(), LoadLibraryW(), LoadProc(), MSSTYLES_OpenThemeFile(), register_ocxs_callback(), RegisterOCX(), RegLoadMUIStringW(), ATL::CRegObject::resource_register(), resource_register(), ResProtocol_Start(), ResProtocolInfo_ParseUrl(), RunDlgProc(), SHCoCreateInstance(), TestDllRedirection(), TLB_PEFile_Open(), User32CallEventProcFromKernel(), and User32CallHookProcFromKernel().

{
    UNICODE_STRING DllName;
    HINSTANCE hInst;
    NTSTATUS Status;
    PWSTR SearchPath;
    ULONG DllCharacteristics = 0;
    BOOL FreeString = FALSE;

    /* Check for any flags LdrLoadDll might be interested in */
    if (dwFlags & DONT_RESOLVE_DLL_REFERENCES)
    {
        /* Tell LDR to treat it as an EXE */
        DllCharacteristics = IMAGE_FILE_EXECUTABLE_IMAGE;
    }

    /* Build up a unicode dll name from null-terminated string */
    RtlInitUnicodeString(&DllName, (LPWSTR)lpLibFileName);

    /* Lazy-initialize BasepExeLdrEntry */
    if (!BasepExeLdrEntry)
        LdrEnumerateLoadedModules(0, BasepLocateExeLdrEntry, NtCurrentPeb()->ImageBaseAddress);

    /* Check if that module is our exe*/
    if (BasepExeLdrEntry && !(dwFlags & LOAD_LIBRARY_AS_DATAFILE) &&
        DllName.Length == BasepExeLdrEntry->FullDllName.Length)
    {
        /* Lengths match and it's not a datafile, so perform name comparison */
        if (RtlEqualUnicodeString(&DllName, &BasepExeLdrEntry->FullDllName, TRUE))
        {
            /* That's us! */
            return BasepExeLdrEntry->DllBase;
        }
    }

    /* Check for trailing spaces and remove them if necessary */
    if (DllName.Buffer[DllName.Length/sizeof(WCHAR) - 1] == L' ')
    {
        RtlCreateUnicodeString(&DllName, (LPWSTR)lpLibFileName);
        while (DllName.Length > sizeof(WCHAR) &&
            DllName.Buffer[DllName.Length/sizeof(WCHAR) - 1] == L' ')
        {
            DllName.Length -= sizeof(WCHAR);
        }
        DllName.Buffer[DllName.Length/sizeof(WCHAR)] = UNICODE_NULL;
        FreeString = TRUE;
    }

    /* Compute the load path */
    SearchPath = BaseComputeProcessDllPath((dwFlags & LOAD_WITH_ALTERED_SEARCH_PATH) ?
                                           DllName.Buffer : NULL,
                                           NULL);
    if (!SearchPath)
    {
        /* Getting DLL path failed, so set last error, free mem and return */
        BaseSetLastNTError(STATUS_NO_MEMORY);
        if (FreeString) RtlFreeUnicodeString(&DllName);
        return NULL;
    }

    _SEH2_TRY
    {
        if (dwFlags & LOAD_LIBRARY_AS_DATAFILE)
        {
            /* If the image is loaded as a datafile, try to get its handle */
            Status = LdrGetDllHandleEx(0, SearchPath, NULL, &DllName, (PVOID*)&hInst);
            if (!NT_SUCCESS(Status))
            {
                /* It's not loaded yet - so load it up */
                Status = BasepLoadLibraryAsDatafile(SearchPath, DllName.Buffer, &hInst);
            }
            _SEH2_YIELD(goto done;)
        }

        /* Call the API Properly */
        Status = LdrLoadDll(SearchPath,
                            &DllCharacteristics,
                            &DllName,
                            (PVOID*)&hInst);
    }
    _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
    {
        Status = _SEH2_GetExceptionCode();
    } _SEH2_END;


done:
    /* Free SearchPath buffer */
    RtlFreeHeap(RtlGetProcessHeap(), 0, SearchPath);

    /* Free DllName string if it was dynamically allocated */
    if (FreeString) RtlFreeUnicodeString(&DllName);

    /* Set last error in failure case */
    if (!NT_SUCCESS(Status))
    {
        DPRINT1("LoadLibraryExW(%ls) failing with status %lx\n", lpLibFileName, Status);
        BaseSetLastNTError(Status);
        return NULL;
    }

    /* Return loaded module handle */
    return hInst;
}

LoadLibraryW()

HINSTANCE WINAPI DECLSPEC_HOTPATCH LoadLibraryW

(

LPCWSTR

lpLibFileName

)

Definition at line 177 of file loader.c.

{
    /* Call Ex version of the API */
    return LoadLibraryExW(lpLibFileName, 0, 0);
}

LoadModule()

DWORD WINAPI LoadModule	(	LPCSTR	lpModuleName,
		LPVOID	lpParameterBlock
	)

Definition at line 954 of file loader.c.

{
    STARTUPINFOA StartupInfo;
    PROCESS_INFORMATION ProcessInformation;
    LOADPARMS32 *LoadParams;
    char FileName[MAX_PATH];
    LPSTR CommandLine;
    DWORD Length, Error;
    BOOL ProcessStatus;
    ANSI_STRING AnsiStr;
    UNICODE_STRING UnicStr;
    RTL_PATH_TYPE PathType;
    HANDLE Handle;

    LoadParams = (LOADPARMS32*)lpParameterBlock;

    /* Check load parameters */
    if (LoadParams->dwReserved || LoadParams->wMagicValue != 2)
    {
        /* Fail with invalid param error */
        BaseSetLastNTError(STATUS_INVALID_PARAMETER);
        return 0;
    }

    /* Search path */
    Length = SearchPathA(NULL, lpModuleName, ".exe", MAX_PATH, FileName, NULL);

    /* Check if path was found */
    if (Length && Length < MAX_PATH)
    {
        /* Build StartupInfo */
        RtlZeroMemory(&StartupInfo, sizeof(StartupInfo));

        StartupInfo.cb = sizeof(STARTUPINFOA);
        StartupInfo.dwFlags = STARTF_USESHOWWINDOW;
        StartupInfo.wShowWindow = LoadParams->wCmdShow;

        /* Allocate command line buffer */
        CommandLine = RtlAllocateHeap(RtlGetProcessHeap(),
                                      HEAP_ZERO_MEMORY,
                                      (ULONG)LoadParams->lpCmdLine[0] + Length + 2);

        /* Put module name there, then a space, and then copy provided command line,
           and null-terminate it */
        RtlCopyMemory(CommandLine, FileName, Length);
        CommandLine[Length] = ' ';
        RtlCopyMemory(&CommandLine[Length + 1], &LoadParams->lpCmdLine[1], (ULONG)LoadParams->lpCmdLine[0]);
        CommandLine[Length + 1 + (ULONG)LoadParams->lpCmdLine[0]] = 0;

        /* Create the process */
        ProcessStatus = CreateProcessA(FileName,
                                       CommandLine,
                                       NULL,
                                       NULL,
                                       FALSE,
                                       0,
                                       LoadParams->lpEnvAddress,
                                       NULL,
                                       &StartupInfo,
                                       &ProcessInformation);

        /* Free the command line buffer */
        RtlFreeHeap(RtlGetProcessHeap(), 0, CommandLine);

        if (!ProcessStatus)
        {
            /* Creating process failed, return right error code */
            Error = GetLastError();
            switch(Error)
            {
            case ERROR_BAD_EXE_FORMAT:
               return ERROR_BAD_FORMAT;

            case ERROR_FILE_NOT_FOUND:
            case ERROR_PATH_NOT_FOUND:
                return Error;
            }

            /* Return 0 otherwise */
            return 0;
        }

        /* Wait up to 30 seconds for the process to become idle */
        if (UserWaitForInputIdleRoutine)
        {
            UserWaitForInputIdleRoutine(ProcessInformation.hProcess, 30000);
        }

        /* Close handles */
        NtClose(ProcessInformation.hThread);
        NtClose(ProcessInformation.hProcess);

        /* Return magic success value (33) */
        return 33;
    }

    /* The path was not found, create an ansi string from
        the module name and convert it to unicode */
    RtlInitAnsiString(&AnsiStr, lpModuleName);
    if (!NT_SUCCESS(RtlAnsiStringToUnicodeString(&UnicStr,&AnsiStr,TRUE)))
        return ERROR_FILE_NOT_FOUND;

    /* Determine path type */
    PathType = RtlDetermineDosPathNameType_U(UnicStr.Buffer);

    /* Free the unicode module name */
    RtlFreeUnicodeString(&UnicStr);

    /* If it's a relative path, return file not found */
    if (PathType == RtlPathTypeRelative)
        return ERROR_FILE_NOT_FOUND;

    /* If not, try to open it */
    Handle = CreateFile(lpModuleName,
                        GENERIC_READ,
                        FILE_SHARE_READ | FILE_SHARE_WRITE,
                        NULL,
                        OPEN_EXISTING,
                        FILE_ATTRIBUTE_NORMAL,
                        NULL);

    if (Handle != INVALID_HANDLE_VALUE)
    {
        /* Opening file succeeded for some reason, close the handle and return file not found anyway */
        CloseHandle(Handle);
        return ERROR_FILE_NOT_FOUND;
    }

    /* Return last error which CreateFile set during an attempt to open it */
    return GetLastError();
}

UTRegister()

BOOL WINAPI UTRegister	(	HMODULE	hModule,
		LPSTR	lpsz16BITDLL,
		LPSTR	lpszInitName,
		LPSTR	lpszProcName,
		FARPROC *	ppfn32Thunk,
		FARPROC	pfnUT32CallBack,
		LPVOID	lpBuff
	)

Definition at line 1099 of file loader.c.

{
    STUB;
    return 0;
}

UTUnRegister()

VOID WINAPI UTUnRegister

(

HMODULE

hModule

)

Definition at line 1111 of file loader.c.

{
    STUB;
}