reactos/subsystems/win32/csrss/win32csr/dllmain.c

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
* FILE: subsys/csrss/win32csr/dllmain.c
* PURPOSE: Initialization
* PROGRAMMERS: Dmitry Philippov (shedon@mail.ru)
*/
/* INCLUDES ******************************************************************/
#define NDEBUG
#include "w32csr.h"
#include <debug.h>
/* Not defined in any header file */
extern VOID WINAPI PrivateCsrssManualGuiCheck(LONG Check);
extern VOID WINAPI InitializeAppSwitchHook();
/* GLOBALS *******************************************************************/
HANDLE Win32CsrApiHeap;
HINSTANCE Win32CsrDllHandle = NULL;
static CSRSS_EXPORTED_FUNCS CsrExports;
static CSRSS_API_DEFINITION Win32CsrApiDefinitions[] =
{
CSRSS_DEFINE_API(GET_INPUT_HANDLE, CsrGetHandle),
CSRSS_DEFINE_API(GET_OUTPUT_HANDLE, CsrGetHandle),
CSRSS_DEFINE_API(CLOSE_HANDLE, CsrCloseHandle),
CSRSS_DEFINE_API(VERIFY_HANDLE, CsrVerifyHandle),
CSRSS_DEFINE_API(DUPLICATE_HANDLE, CsrDuplicateHandle),
CSRSS_DEFINE_API(GET_INPUT_WAIT_HANDLE, CsrGetInputWaitHandle),
CSRSS_DEFINE_API(WRITE_CONSOLE, CsrWriteConsole),
CSRSS_DEFINE_API(READ_CONSOLE, CsrReadConsole),
CSRSS_DEFINE_API(ALLOC_CONSOLE, CsrAllocConsole),
CSRSS_DEFINE_API(FREE_CONSOLE, CsrFreeConsole),
CSRSS_DEFINE_API(SCREEN_BUFFER_INFO, CsrGetScreenBufferInfo),
CSRSS_DEFINE_API(SET_CURSOR, CsrSetCursor),
CSRSS_DEFINE_API(FILL_OUTPUT, CsrFillOutputChar),
CSRSS_DEFINE_API(READ_INPUT, CsrReadInputEvent),
CSRSS_DEFINE_API(WRITE_CONSOLE_OUTPUT_CHAR, CsrWriteConsoleOutputChar),
CSRSS_DEFINE_API(WRITE_CONSOLE_OUTPUT_ATTRIB, CsrWriteConsoleOutputAttrib),
CSRSS_DEFINE_API(FILL_OUTPUT_ATTRIB, CsrFillOutputAttrib),
CSRSS_DEFINE_API(GET_CURSOR_INFO, CsrGetCursorInfo),
CSRSS_DEFINE_API(SET_CURSOR_INFO, CsrSetCursorInfo),
CSRSS_DEFINE_API(SET_ATTRIB, CsrSetTextAttrib),
CSRSS_DEFINE_API(GET_CONSOLE_MODE, CsrGetConsoleMode),
CSRSS_DEFINE_API(SET_CONSOLE_MODE, CsrSetConsoleMode),
CSRSS_DEFINE_API(CREATE_SCREEN_BUFFER, CsrCreateScreenBuffer),
CSRSS_DEFINE_API(SET_SCREEN_BUFFER, CsrSetScreenBuffer),
CSRSS_DEFINE_API(SET_TITLE, CsrSetTitle),
CSRSS_DEFINE_API(GET_TITLE, CsrGetTitle),
CSRSS_DEFINE_API(WRITE_CONSOLE_OUTPUT, CsrWriteConsoleOutput),
CSRSS_DEFINE_API(FLUSH_INPUT_BUFFER, CsrFlushInputBuffer),
CSRSS_DEFINE_API(SCROLL_CONSOLE_SCREEN_BUFFER, CsrScrollConsoleScreenBuffer),
CSRSS_DEFINE_API(READ_CONSOLE_OUTPUT_CHAR, CsrReadConsoleOutputChar),
CSRSS_DEFINE_API(READ_CONSOLE_OUTPUT_ATTRIB, CsrReadConsoleOutputAttrib),
CSRSS_DEFINE_API(GET_NUM_INPUT_EVENTS, CsrGetNumberOfConsoleInputEvents),
CSRSS_DEFINE_API(EXIT_REACTOS, CsrExitReactos),
CSRSS_DEFINE_API(PEEK_CONSOLE_INPUT, CsrPeekConsoleInput),
CSRSS_DEFINE_API(READ_CONSOLE_OUTPUT, CsrReadConsoleOutput),
CSRSS_DEFINE_API(WRITE_CONSOLE_INPUT, CsrWriteConsoleInput),
CSRSS_DEFINE_API(SETGET_CONSOLE_HW_STATE, CsrHardwareStateProperty),
CSRSS_DEFINE_API(GET_CONSOLE_WINDOW, CsrGetConsoleWindow),
CSRSS_DEFINE_API(CREATE_DESKTOP, CsrCreateDesktop),
CSRSS_DEFINE_API(SHOW_DESKTOP, CsrShowDesktop),
CSRSS_DEFINE_API(HIDE_DESKTOP, CsrHideDesktop),
CSRSS_DEFINE_API(SET_CONSOLE_ICON, CsrSetConsoleIcon),
CSRSS_DEFINE_API(SET_LOGON_NOTIFY_WINDOW, CsrSetLogonNotifyWindow),
CSRSS_DEFINE_API(REGISTER_LOGON_PROCESS, CsrRegisterLogonProcess),
CSRSS_DEFINE_API(GET_CONSOLE_CP, CsrGetConsoleCodePage),
CSRSS_DEFINE_API(SET_CONSOLE_CP, CsrSetConsoleCodePage),
CSRSS_DEFINE_API(GET_CONSOLE_OUTPUT_CP, CsrGetConsoleOutputCodePage),
CSRSS_DEFINE_API(SET_CONSOLE_OUTPUT_CP, CsrSetConsoleOutputCodePage),
CSRSS_DEFINE_API(GET_PROCESS_LIST, CsrGetProcessList),
CSRSS_DEFINE_API(ADD_CONSOLE_ALIAS, CsrAddConsoleAlias),
CSRSS_DEFINE_API(GET_CONSOLE_ALIAS, CsrGetConsoleAlias),
CSRSS_DEFINE_API(GET_ALL_CONSOLE_ALIASES, CsrGetAllConsoleAliases),
CSRSS_DEFINE_API(GET_ALL_CONSOLE_ALIASES_LENGTH, CsrGetAllConsoleAliasesLength),
CSRSS_DEFINE_API(GET_CONSOLE_ALIASES_EXES, CsrGetConsoleAliasesExes),
CSRSS_DEFINE_API(GET_CONSOLE_ALIASES_EXES_LENGTH, CsrGetConsoleAliasesExesLength),
CSRSS_DEFINE_API(GENERATE_CTRL_EVENT, CsrGenerateCtrlEvent),
CSRSS_DEFINE_API(SET_SCREEN_BUFFER_SIZE, CsrSetScreenBufferSize),
CSRSS_DEFINE_API(GET_CONSOLE_SELECTION_INFO, CsrGetConsoleSelectionInfo),
CSRSS_DEFINE_API(GET_COMMAND_HISTORY_LENGTH, CsrGetCommandHistoryLength),
CSRSS_DEFINE_API(GET_COMMAND_HISTORY, CsrGetCommandHistory),
CSRSS_DEFINE_API(EXPUNGE_COMMAND_HISTORY, CsrExpungeCommandHistory),
CSRSS_DEFINE_API(SET_HISTORY_NUMBER_COMMANDS, CsrSetHistoryNumberCommands),
CSRSS_DEFINE_API(GET_HISTORY_INFO, CsrGetHistoryInfo),
CSRSS_DEFINE_API(SET_HISTORY_INFO, CsrSetHistoryInfo),
{ 0, 0, NULL }
};
/* FUNCTIONS *****************************************************************/
BOOL WINAPI
DllMain(HANDLE hDll,
DWORD dwReason,
LPVOID lpReserved)
{
if (DLL_PROCESS_ATTACH == dwReason)
{
Win32CsrDllHandle = hDll;
InitializeAppSwitchHook();
}
return TRUE;
}
/* Ensure that a captured buffer is safe to access */
BOOL FASTCALL
Win32CsrValidateBuffer(PCSRSS_PROCESS_DATA ProcessData, PVOID Buffer,
SIZE_T NumElements, SIZE_T ElementSize)
{
/* Check that the following conditions are true:
* 1. The start of the buffer is somewhere within the process's
* shared memory section view.
* 2. The remaining space in the view is at least as large as the buffer.
* (NB: Please don't try to "optimize" this by using multiplication
* instead of division; remember that 2147483648 * 2 = 0.)
* 3. The buffer is DWORD-aligned.
*/
ULONG_PTR Offset = (BYTE *)Buffer - (BYTE *)ProcessData->CsrSectionViewBase;
if (Offset >= ProcessData->CsrSectionViewSize
|| NumElements > (ProcessData->CsrSectionViewSize - Offset) / ElementSize
|| (Offset & (sizeof(DWORD) - 1)) != 0)
{
DPRINT1("Invalid buffer %p(%u*%u); section view is %p(%u)\n",
Buffer, NumElements, ElementSize,
ProcessData->CsrSectionViewBase, ProcessData->CsrSectionViewSize);
return FALSE;
}
return TRUE;
}
NTSTATUS FASTCALL
Win32CsrEnumProcesses(CSRSS_ENUM_PROCESS_PROC EnumProc,
PVOID Context)
{
return (CsrExports.CsrEnumProcessesProc)(EnumProc, Context);
}
static BOOL WINAPI
Win32CsrInitComplete(void)
{
return TRUE;
}
VOID
WINAPI
PrivateCsrssManualGuiCheck(LONG Check)
{
NtUserCallOneParam(Check, ONEPARAM_ROUTINE_CSRSS_GUICHECK);
}
BOOL WINAPI
Win32CsrInitialization(PCSRSS_API_DEFINITION *ApiDefinitions,
PCSRPLUGIN_SERVER_PROCS ServerProcs,
PCSRSS_EXPORTED_FUNCS Exports,
HANDLE CsrssApiHeap)
{
NTSTATUS Status;
CsrExports = *Exports;
Win32CsrApiHeap = CsrssApiHeap;
Status = NtUserInitialize(0, NULL, NULL);
PrivateCsrssManualGuiCheck(0);
CsrInitConsoleSupport();
*ApiDefinitions = Win32CsrApiDefinitions;
ServerProcs->InitCompleteProc = Win32CsrInitComplete;
ServerProcs->HardErrorProc = Win32CsrHardError;
ServerProcs->ProcessInheritProc = Win32CsrDuplicateHandleTable;
ServerProcs->ProcessDeletedProc = Win32CsrReleaseConsole;
return TRUE;
}
/* EOF */