/* * Win32 processes * * Copyright 1996, 1998 Alexandre Julliard */ #include #include #include #include #include #include #include #include #include "wine/winbase16.h" #include "wine/exception.h" #include "process.h" #include "main.h" #include "module.h" #include "neexe.h" #include "file.h" #include "global.h" #include "heap.h" #include "task.h" #include "ldt.h" #include "syslevel.h" #include "thread.h" #include "winerror.h" #include "pe_image.h" #include "server.h" #include "options.h" #include "callback.h" #include "debugtools.h" DEFAULT_DEBUG_CHANNEL(process); DECLARE_DEBUG_CHANNEL(relay); DECLARE_DEBUG_CHANNEL(win32); static ENVDB initial_envdb; static STARTUPINFOA initial_startup; static char **main_exe_argv; static char *main_exe_name; static HFILE main_exe_file = -1; /*********************************************************************** * PROCESS_IdToPDB * * Convert a process id to a PDB, making sure it is valid. */ PDB *PROCESS_IdToPDB( DWORD pid ) { if (!pid || pid == GetCurrentProcessId()) return PROCESS_Current(); return NULL; } /*********************************************************************** * PROCESS_CallUserSignalProc * * FIXME: Some of the signals aren't sent correctly! * * The exact meaning of the USER signals is undocumented, but this * should cover the basic idea: * * USIG_DLL_UNLOAD_WIN16 * This is sent when a 16-bit module is unloaded. * * USIG_DLL_UNLOAD_WIN32 * This is sent when a 32-bit module is unloaded. * * USIG_DLL_UNLOAD_ORPHANS * This is sent after the last Win3.1 module is unloaded, * to allow removal of orphaned menus. * * USIG_FAULT_DIALOG_PUSH * USIG_FAULT_DIALOG_POP * These are called to allow USER to prepare for displaying a * fault dialog, even though the fault might have happened while * inside a USER critical section. * * USIG_THREAD_INIT * This is called from the context of a new thread, as soon as it * has started to run. * * USIG_THREAD_EXIT * This is called, still in its context, just before a thread is * about to terminate. * * USIG_PROCESS_CREATE * This is called, in the parent process context, after a new process * has been created. * * USIG_PROCESS_INIT * This is called in the new process context, just after the main thread * has started execution (after the main thread's USIG_THREAD_INIT has * been sent). * * USIG_PROCESS_LOADED * This is called after the executable file has been loaded into the * new process context. * * USIG_PROCESS_RUNNING * This is called immediately before the main entry point is called. * * USIG_PROCESS_EXIT * This is called in the context of a process that is about to * terminate (but before the last thread's USIG_THREAD_EXIT has * been sent). * * USIG_PROCESS_DESTROY * This is called after a process has terminated. * * * The meaning of the dwFlags bits is as follows: * * USIG_FLAGS_WIN32 * Current process is 32-bit. * * USIG_FLAGS_GUI * Current process is a (Win32) GUI process. * * USIG_FLAGS_FEEDBACK * Current process needs 'feedback' (determined from the STARTUPINFO * flags STARTF_FORCEONFEEDBACK / STARTF_FORCEOFFFEEDBACK). * * USIG_FLAGS_FAULT * The signal is being sent due to a fault. */ void PROCESS_CallUserSignalProc( UINT uCode, HMODULE hModule ) { DWORD flags = PROCESS_Current()->flags; DWORD startup_flags = PROCESS_Current()->env_db->startup_info->dwFlags; DWORD dwFlags = 0; /* Determine dwFlags */ if ( !(flags & PDB32_WIN16_PROC) ) dwFlags |= USIG_FLAGS_WIN32; if ( !(flags & PDB32_CONSOLE_PROC) ) dwFlags |= USIG_FLAGS_GUI; if ( dwFlags & USIG_FLAGS_GUI ) { /* Feedback defaults to ON */ if ( !(startup_flags & STARTF_FORCEOFFFEEDBACK) ) dwFlags |= USIG_FLAGS_FEEDBACK; } else { /* Feedback defaults to OFF */ if (startup_flags & STARTF_FORCEONFEEDBACK) dwFlags |= USIG_FLAGS_FEEDBACK; } /* Convert module handle to 16-bit */ if ( HIWORD( hModule ) ) hModule = MapHModuleLS( hModule ); /* Call USER signal proc */ if ( Callout.UserSignalProc ) { if ( uCode == USIG_THREAD_INIT || uCode == USIG_THREAD_EXIT ) Callout.UserSignalProc( uCode, GetCurrentThreadId(), dwFlags, hModule ); else Callout.UserSignalProc( uCode, GetCurrentProcessId(), dwFlags, hModule ); } } /*********************************************************************** * PROCESS_Init */ BOOL PROCESS_Init(void) { struct init_process_request *req; PDB *pdb = PROCESS_Current(); /* Fill the initial process structure */ pdb->exit_code = STILL_ACTIVE; pdb->threads = 1; pdb->running_threads = 1; pdb->ring0_threads = 1; pdb->env_db = &initial_envdb; pdb->group = pdb; pdb->priority = 8; /* Normal */ pdb->winver = 0xffff; /* to be determined */ initial_envdb.startup_info = &initial_startup; /* Setup the server connection */ NtCurrentTeb()->socket = CLIENT_InitServer(); if (CLIENT_InitThread()) return FALSE; /* Retrieve startup info from the server */ req = get_req_buffer(); req->ldt_copy = ldt_copy; req->ldt_flags = ldt_flags_copy; req->ppid = getppid(); if (server_call( REQ_INIT_PROCESS )) return FALSE; main_exe_file = req->exe_file; if (req->filename[0]) main_exe_name = strdup( req->filename ); initial_startup.dwFlags = req->start_flags; initial_startup.wShowWindow = req->cmd_show; initial_envdb.hStdin = initial_startup.hStdInput = req->hstdin; initial_envdb.hStdout = initial_startup.hStdOutput = req->hstdout; initial_envdb.hStderr = initial_startup.hStdError = req->hstderr; /* Remember TEB selector of initial process for emergency use */ SYSLEVEL_EmergencyTeb = NtCurrentTeb()->teb_sel; /* Create the system and process heaps */ if (!HEAP_CreateSystemHeap()) return FALSE; pdb->heap = HeapCreate( HEAP_GROWABLE, 0, 0 ); /* Copy the parent environment */ if (!ENV_BuildEnvironment()) return FALSE; /* Create the SEGPTR heap */ if (!(SegptrHeap = HeapCreate( HEAP_WINE_SEGPTR, 0, 0 ))) return FALSE; /* Initialize the critical sections */ InitializeCriticalSection( &pdb->crit_section ); InitializeCriticalSection( &initial_envdb.section ); /* Initialize syslevel handling */ SYSLEVEL_Init(); return TRUE; } /*********************************************************************** * load_system_dlls * * Load system DLLs into the initial process (and initialize them) */ static int load_system_dlls(void) { char driver[MAX_PATH]; PROFILE_GetWineIniString( "Wine", "GraphicsDriver", "x11drv", driver, sizeof(driver) ); if (!LoadLibraryA( driver )) { MESSAGE( "Could not load graphics driver '%s'\n", driver ); return 0; } if (!LoadLibraryA("USER32.DLL")) return 0; /* Get pointers to USER routines called by KERNEL */ THUNK_InitCallout(); /* Call FinalUserInit routine */ Callout.FinalUserInit16(); /* Note: The USIG_PROCESS_CREATE signal is supposed to be sent in the * context of the parent process. Actually, the USER signal proc * doesn't really care about that, but it *does* require that the * startup parameters are correctly set up, so that GetProcessDword * works. Furthermore, before calling the USER signal proc the * 16-bit stack must be set up, which it is only after TASK_Create * in the case of a 16-bit process. Thus, we send the signal here. */ PROCESS_CallUserSignalProc( USIG_PROCESS_CREATE, 0 ); PROCESS_CallUserSignalProc( USIG_THREAD_INIT, 0 ); PROCESS_CallUserSignalProc( USIG_PROCESS_INIT, 0 ); PROCESS_CallUserSignalProc( USIG_PROCESS_LOADED, 0 ); return 1; } /*********************************************************************** * build_command_line * * Build the command-line of a process from the argv array. */ static inline char *build_command_line( char **argv ) { int len, quote; char *cmdline, *p, **arg; for (arg = argv, len = 0; *arg; arg++) len += strlen(*arg) + 1; if ((quote = (strchr( argv[0], ' ' ) != NULL))) len += 2; if (!(p = cmdline = HeapAlloc( GetProcessHeap(), 0, len ))) return NULL; arg = argv; if (quote) { *p++ = '\"'; strcpy( p, *arg ); p += strlen(p); *p++ = '\"'; *p++ = ' '; arg++; } while (*arg) { strcpy( p, *arg ); p += strlen(p); *p++ = ' '; arg++; } if (p > cmdline) p--; /* remove last space */ *p = 0; return cmdline; } /*********************************************************************** * start_process * * Startup routine of a new process. Runs on the new process stack. */ static void start_process(void) { struct init_process_done_request *req = get_req_buffer(); int debugged, console_app; HMODULE16 hModule16; UINT cmdShow = SW_SHOWNORMAL; LPTHREAD_START_ROUTINE entry; PDB *pdb = PROCESS_Current(); HMODULE module = pdb->exe_modref->module; /* Increment EXE refcount */ pdb->exe_modref->refCount++; /* build command line */ if (!(pdb->env_db->cmd_line = build_command_line( main_exe_argv ))) goto error; /* Retrieve entry point address */ entry = (LPTHREAD_START_ROUTINE)RVA_PTR( module, OptionalHeader.AddressOfEntryPoint ); console_app = (PE_HEADER(module)->OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_WINDOWS_CUI); if (console_app) pdb->flags |= PDB32_CONSOLE_PROC; /* Signal the parent process to continue */ req->module = (void *)module; req->entry = entry; req->name = &pdb->exe_modref->filename; req->gui = !console_app; server_call( REQ_INIT_PROCESS_DONE ); debugged = req->debugged; /* Install signal handlers; this cannot be done before, since we cannot * send exceptions to the debugger before the create process event that * is sent by REQ_INIT_PROCESS_DONE */ if (!SIGNAL_Init()) goto error; /* Load KERNEL (necessary for TASK_Create) */ if (!LoadLibraryA( "KERNEL32" )) goto error; /* Create 16-bit dummy module */ if ((hModule16 = MODULE_CreateDummyModule( pdb->exe_modref->filename, module )) < 32) ExitProcess( hModule16 ); if (pdb->env_db->startup_info->dwFlags & STARTF_USESHOWWINDOW) cmdShow = pdb->env_db->startup_info->wShowWindow; if (!TASK_Create( (NE_MODULE *)GlobalLock16( hModule16 ), cmdShow, NtCurrentTeb(), NULL, 0 )) goto error; /* Load the system dlls */ if (!load_system_dlls()) goto error; EnterCriticalSection( &pdb->crit_section ); PE_InitTls(); MODULE_DllProcessAttach( pdb->exe_modref, (LPVOID)1 ); LeaveCriticalSection( &pdb->crit_section ); /* Call UserSignalProc ( USIG_PROCESS_RUNNING ... ) only for non-GUI win32 apps */ if (console_app) PROCESS_CallUserSignalProc( USIG_PROCESS_RUNNING, 0 ); TRACE_(relay)( "Starting Win32 process (entryproc=%p)\n", entry ); if (debugged) DbgBreakPoint(); /* FIXME: should use _PEB as parameter for NT 3.5 programs ! * Dunno about other OSs */ ExitThread( entry(NULL) ); error: ExitProcess( GetLastError() ); } /*********************************************************************** * PROCESS_Start * * Startup routine of a new Win32 process once the main module has been loaded. * The filename is free'd by this routine. */ static void PROCESS_Start( HMODULE main_module, LPSTR filename ) WINE_NORETURN; static void PROCESS_Start( HMODULE main_module, LPSTR filename ) { if (!filename) { /* if no explicit filename, use argv[0] */ if (!(filename = malloc( MAX_PATH ))) ExitProcess(1); if (!GetFullPathNameA( argv0, MAX_PATH, filename, NULL )) lstrcpynA( filename, argv0, MAX_PATH ); } /* load main module */ if (PE_HEADER(main_module)->FileHeader.Characteristics & IMAGE_FILE_DLL) ExitProcess( ERROR_BAD_EXE_FORMAT ); /* Create 32-bit MODREF */ if (!PE_CreateModule( main_module, filename, 0, FALSE )) goto error; free( filename ); /* allocate main thread stack */ if (!THREAD_InitStack( NtCurrentTeb(), PE_HEADER(main_module)->OptionalHeader.SizeOfStackReserve, TRUE )) goto error; /* switch to the new stack */ SYSDEPS_SwitchToThreadStack( start_process ); error: ExitProcess( GetLastError() ); } /*********************************************************************** * PROCESS_InitWine * * Wine initialisation: load and start the main exe file. */ void PROCESS_InitWine( int argc, char *argv[] ) { DWORD type; /* Initialize everything */ if (!MAIN_MainInit( argv )) exit(1); main_exe_argv = ++argv; /* remove argv[0] (wine itself) */ if (!main_exe_name) { char buffer[MAX_PATH]; if (!argv[0]) OPTIONS_Usage(); /* open the exe file */ if (!SearchPathA( NULL, argv[0], ".exe", sizeof(buffer), buffer, NULL ) && !SearchPathA( NULL, argv[0], NULL, sizeof(buffer), buffer, NULL )) { MESSAGE( "%s: cannot find '%s'\n", argv0, argv[0] ); goto error; } if (!(main_exe_name = strdup(buffer))) { MESSAGE( "%s: out of memory\n", argv0 ); ExitProcess(1); } } if (main_exe_file == INVALID_HANDLE_VALUE) { if ((main_exe_file = CreateFileA( main_exe_name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, -1 )) == INVALID_HANDLE_VALUE) { MESSAGE( "%s: cannot open '%s'\n", argv0, main_exe_name ); goto error; } } if (!MODULE_GetBinaryType( main_exe_file, main_exe_name, &type )) { MESSAGE( "%s: unrecognized executable '%s'\n", argv0, main_exe_name ); goto error; } switch (type) { case SCS_32BIT_BINARY: { HMODULE main_module = PE_LoadImage( main_exe_file, main_exe_name ); if (main_module) PROCESS_Start( main_module, main_exe_name ); } break; case SCS_WOW_BINARY: { HMODULE main_module; /* create 32-bit module for main exe */ if (!(main_module = BUILTIN32_LoadExeModule())) goto error; NtCurrentTeb()->tibflags &= ~TEBF_WIN32; PROCESS_Current()->flags |= PDB32_WIN16_PROC; SYSLEVEL_EnterWin16Lock(); PROCESS_Start( main_module, NULL ); } break; case SCS_DOS_BINARY: FIXME( "DOS binaries support is broken at the moment; feel free to fix it...\n" ); SetLastError( ERROR_BAD_FORMAT ); break; case SCS_PIF_BINARY: case SCS_POSIX_BINARY: case SCS_OS216_BINARY: default: MESSAGE( "%s: unrecognized executable '%s'\n", argv0, main_exe_name ); SetLastError( ERROR_BAD_FORMAT ); break; } error: ExitProcess( GetLastError() ); } /*********************************************************************** * PROCESS_InitWinelib * * Initialisation of a new Winelib process. */ void PROCESS_InitWinelib( int argc, char *argv[] ) { HMODULE main_module; if (!MAIN_MainInit( argv )) exit(1); /* create 32-bit module for main exe */ if (!(main_module = BUILTIN32_LoadExeModule())) ExitProcess( GetLastError() ); main_exe_argv = argv; PROCESS_Start( main_module, NULL ); } /*********************************************************************** * build_argv * * Build an argv array from a command-line. * The command-line is modified to insert nulls. * 'reserved' is the number of args to reserve before the first one. */ static char **build_argv( char *cmdline, int reserved ) { char **argv; int count = reserved + 1; char *p = cmdline; /* if first word is quoted store it as a single arg */ if (*cmdline == '\"') { if ((p = strchr( cmdline + 1, '\"' ))) { p++; count++; } else p = cmdline; } while (*p) { while (*p && isspace(*p)) p++; if (!*p) break; count++; while (*p && !isspace(*p)) p++; } if ((argv = malloc( count * sizeof(*argv) ))) { char **argvptr = argv + reserved; p = cmdline; if (*cmdline == '\"') { if ((p = strchr( cmdline + 1, '\"' ))) { *argvptr++ = cmdline + 1; *p++ = 0; } else p = cmdline; } while (*p) { while (*p && isspace(*p)) *p++ = 0; if (!*p) break; *argvptr++ = p; while (*p && !isspace(*p)) p++; } *argvptr = 0; } return argv; } /*********************************************************************** * build_envp * * Build the environment of a new child process. */ static char **build_envp( const char *env ) { const char *p; char **envp; int count; for (p = env, count = 0; *p; count++) p += strlen(p) + 1; count += 3; if ((envp = malloc( count * sizeof(*envp) ))) { extern char **environ; char **envptr = envp; char **unixptr = environ; /* first put PATH, HOME and WINEPREFIX from the unix env */ for (unixptr = environ; unixptr && *unixptr; unixptr++) if (!memcmp( *unixptr, "PATH=", 5 ) || !memcmp( *unixptr, "HOME=", 5 ) || !memcmp( *unixptr, "WINEPREFIX=", 11 )) *envptr++ = *unixptr; /* now put the Windows environment strings */ for (p = env; *p; p += strlen(p) + 1) { if (memcmp( p, "PATH=", 5 ) && memcmp( p, "HOME=", 5 ) && memcmp( p, "WINEPREFIX=", 11 )) *envptr++ = (char *)p; } *envptr = 0; } return envp; } /*********************************************************************** * find_wine_binary * * Locate the Wine binary to exec for a new Win32 process. */ static void exec_wine_binary( char **argv, char **envp ) { const char *path, *pos, *ptr; /* first try bin directory */ argv[0] = BINDIR "/wine"; execve( argv[0], argv, envp ); /* now try the path of argv0 of the current binary */ if (!(argv[0] = malloc( strlen(argv0) + 6 ))) return; if ((ptr = strrchr( argv0, '/' ))) { memcpy( argv[0], argv0, ptr - argv0 ); strcpy( argv[0] + (ptr - argv0), "/wine" ); execve( argv[0], argv, envp ); } free( argv[0] ); /* now search in the Unix path */ if ((path = getenv( "PATH" ))) { if (!(argv[0] = malloc( strlen(path) + 6 ))) return; pos = path; for (;;) { while (*pos == ':') pos++; if (!*pos) break; if (!(ptr = strchr( pos, ':' ))) ptr = pos + strlen(pos); memcpy( argv[0], pos, ptr - pos ); strcpy( argv[0] + (ptr - pos), "/wine" ); execve( argv[0], argv, envp ); pos = ptr; } } free( argv[0] ); /* finally try the current directory */ argv[0] = "./wine"; execve( argv[0], argv, envp ); } /*********************************************************************** * fork_and_exec * * Fork and exec a new Unix process, checking for errors. */ static int fork_and_exec( const char *filename, const char *cmdline, const char *env ) { int fd[2]; int pid, err; if (pipe(fd) == -1) { FILE_SetDosError(); return -1; } fcntl( fd[1], F_SETFD, 1 ); /* set close on exec */ if (!(pid = fork())) /* child */ { char **argv = build_argv( (char *)cmdline, filename ? 0 : 2 ); char **envp = build_envp( env ); close( fd[0] ); if (argv && envp) { if (!filename) { argv[1] = "--"; exec_wine_binary( argv, envp ); } else execve( filename, argv, envp ); } err = errno; write( fd[1], &err, sizeof(err) ); _exit(1); } close( fd[1] ); if ((pid != -1) && (read( fd[0], &err, sizeof(err) ) > 0)) /* exec failed */ { errno = err; pid = -1; } if (pid == -1) FILE_SetDosError(); close( fd[0] ); return pid; } /*********************************************************************** * PROCESS_Create * * Create a new process. If hFile is a valid handle we have an exe * file, and we exec a new copy of wine to load it; otherwise we * simply exec the specified filename as a Unix process. */ BOOL PROCESS_Create( HFILE hFile, LPCSTR filename, LPCSTR cmd_line, LPCSTR env, LPSECURITY_ATTRIBUTES psa, LPSECURITY_ATTRIBUTES tsa, BOOL inherit, DWORD flags, LPSTARTUPINFOA startup, LPPROCESS_INFORMATION info ) { int pid; const char *unixfilename = NULL; DOS_FULL_NAME full_name; HANDLE load_done_evt = -1; struct new_process_request *req = get_req_buffer(); struct wait_process_request *wait_req = get_req_buffer(); info->hThread = info->hProcess = INVALID_HANDLE_VALUE; /* create the process on the server side */ req->inherit_all = inherit; req->create_flags = flags; req->start_flags = startup->dwFlags; req->exe_file = hFile; if (startup->dwFlags & STARTF_USESTDHANDLES) { req->hstdin = startup->hStdInput; req->hstdout = startup->hStdOutput; req->hstderr = startup->hStdError; } else { req->hstdin = GetStdHandle( STD_INPUT_HANDLE ); req->hstdout = GetStdHandle( STD_OUTPUT_HANDLE ); req->hstderr = GetStdHandle( STD_ERROR_HANDLE ); } req->cmd_show = startup->wShowWindow; req->alloc_fd = 0; if (hFile == -1) /* unix process */ { unixfilename = filename; if (DOSFS_GetFullName( filename, TRUE, &full_name )) unixfilename = full_name.long_name; req->filename[0] = 0; } else /* new wine process */ { if (!GetFullPathNameA( filename, server_remaining(req->filename), req->filename, NULL )) lstrcpynA( req->filename, filename, server_remaining(req->filename) ); } if (server_call( REQ_NEW_PROCESS )) return FALSE; /* fork and execute */ pid = fork_and_exec( unixfilename, cmd_line, env ? env : GetEnvironmentStringsA() ); wait_req->cancel = (pid == -1); wait_req->pinherit = (psa && (psa->nLength >= sizeof(*psa)) && psa->bInheritHandle); wait_req->tinherit = (tsa && (tsa->nLength >= sizeof(*tsa)) && tsa->bInheritHandle); wait_req->timeout = 2000; if (server_call( REQ_WAIT_PROCESS ) || (pid == -1)) goto error; info->dwProcessId = (DWORD)wait_req->pid; info->dwThreadId = (DWORD)wait_req->tid; info->hProcess = wait_req->phandle; info->hThread = wait_req->thandle; load_done_evt = wait_req->event; /* Wait until process is initialized (or initialization failed) */ if (load_done_evt != -1) { DWORD res; HANDLE handles[2]; handles[0] = info->hProcess; handles[1] = load_done_evt; res = WaitForMultipleObjects( 2, handles, FALSE, INFINITE ); CloseHandle( load_done_evt ); if (res == STATUS_WAIT_0) /* the process died */ { DWORD exitcode; if (GetExitCodeProcess( info->hProcess, &exitcode )) SetLastError( exitcode ); CloseHandle( info->hThread ); CloseHandle( info->hProcess ); return FALSE; } } return TRUE; error: if (load_done_evt != -1) CloseHandle( load_done_evt ); if (info->hThread != INVALID_HANDLE_VALUE) CloseHandle( info->hThread ); if (info->hProcess != INVALID_HANDLE_VALUE) CloseHandle( info->hProcess ); return FALSE; } /*********************************************************************** * ExitProcess (KERNEL32.100) */ void WINAPI ExitProcess( DWORD status ) { struct terminate_process_request *req = get_req_buffer(); MODULE_DllProcessDetach( TRUE, (LPVOID)1 ); /* send the exit code to the server */ req->handle = GetCurrentProcess(); req->exit_code = status; server_call( REQ_TERMINATE_PROCESS ); exit( status ); } /*********************************************************************** * ExitProcess16 (KERNEL.466) */ void WINAPI ExitProcess16( WORD status ) { SYSLEVEL_ReleaseWin16Lock(); ExitProcess( status ); } /****************************************************************************** * TerminateProcess (KERNEL32.684) */ BOOL WINAPI TerminateProcess( HANDLE handle, DWORD exit_code ) { BOOL ret; struct terminate_process_request *req = get_req_buffer(); req->handle = handle; req->exit_code = exit_code; if ((ret = !server_call( REQ_TERMINATE_PROCESS )) && req->self) exit( exit_code ); return ret; } /*********************************************************************** * GetProcessDword (KERNEL32.18) (KERNEL.485) * 'Of course you cannot directly access Windows internal structures' */ DWORD WINAPI GetProcessDword( DWORD dwProcessID, INT offset ) { PDB *process = PROCESS_IdToPDB( dwProcessID ); TDB *pTask; DWORD x, y; TRACE_(win32)("(%ld, %d)\n", dwProcessID, offset ); if ( !process ) { ERR("%d: process %lx not accessible\n", offset, dwProcessID); return 0; } switch ( offset ) { case GPD_APP_COMPAT_FLAGS: pTask = (TDB *)GlobalLock16( GetCurrentTask() ); return pTask? pTask->compat_flags : 0; case GPD_LOAD_DONE_EVENT: return process->load_done_evt; case GPD_HINSTANCE16: pTask = (TDB *)GlobalLock16( GetCurrentTask() ); return pTask? pTask->hInstance : 0; case GPD_WINDOWS_VERSION: pTask = (TDB *)GlobalLock16( GetCurrentTask() ); return pTask? pTask->version : 0; case GPD_THDB: if ( process != PROCESS_Current() ) return 0; return (DWORD)NtCurrentTeb() - 0x10 /* FIXME */; case GPD_PDB: return (DWORD)process; case GPD_STARTF_SHELLDATA: /* return stdoutput handle from startupinfo ??? */ return process->env_db->startup_info->hStdOutput; case GPD_STARTF_HOTKEY: /* return stdinput handle from startupinfo ??? */ return process->env_db->startup_info->hStdInput; case GPD_STARTF_SHOWWINDOW: return process->env_db->startup_info->wShowWindow; case GPD_STARTF_SIZE: x = process->env_db->startup_info->dwXSize; if ( x == CW_USEDEFAULT ) x = CW_USEDEFAULT16; y = process->env_db->startup_info->dwYSize; if ( y == CW_USEDEFAULT ) y = CW_USEDEFAULT16; return MAKELONG( x, y ); case GPD_STARTF_POSITION: x = process->env_db->startup_info->dwX; if ( x == CW_USEDEFAULT ) x = CW_USEDEFAULT16; y = process->env_db->startup_info->dwY; if ( y == CW_USEDEFAULT ) y = CW_USEDEFAULT16; return MAKELONG( x, y ); case GPD_STARTF_FLAGS: return process->env_db->startup_info->dwFlags; case GPD_PARENT: return 0; case GPD_FLAGS: return process->flags; case GPD_USERDATA: return process->process_dword; default: ERR_(win32)("Unknown offset %d\n", offset ); return 0; } } /*********************************************************************** * SetProcessDword (KERNEL.484) * 'Of course you cannot directly access Windows internal structures' */ void WINAPI SetProcessDword( DWORD dwProcessID, INT offset, DWORD value ) { PDB *process = PROCESS_IdToPDB( dwProcessID ); TRACE_(win32)("(%ld, %d)\n", dwProcessID, offset ); if ( !process ) { ERR("%d: process %lx not accessible\n", offset, dwProcessID); return; } switch ( offset ) { case GPD_APP_COMPAT_FLAGS: case GPD_LOAD_DONE_EVENT: case GPD_HINSTANCE16: case GPD_WINDOWS_VERSION: case GPD_THDB: case GPD_PDB: case GPD_STARTF_SHELLDATA: case GPD_STARTF_HOTKEY: case GPD_STARTF_SHOWWINDOW: case GPD_STARTF_SIZE: case GPD_STARTF_POSITION: case GPD_STARTF_FLAGS: case GPD_PARENT: case GPD_FLAGS: ERR_(win32)("Not allowed to modify offset %d\n", offset ); break; case GPD_USERDATA: process->process_dword = value; break; default: ERR_(win32)("Unknown offset %d\n", offset ); break; } } /********************************************************************* * OpenProcess (KERNEL32.543) */ HANDLE WINAPI OpenProcess( DWORD access, BOOL inherit, DWORD id ) { HANDLE ret = 0; struct open_process_request *req = get_req_buffer(); req->pid = (void *)id; req->access = access; req->inherit = inherit; if (!server_call( REQ_OPEN_PROCESS )) ret = req->handle; return ret; } /********************************************************************* * MapProcessHandle (KERNEL.483) */ DWORD WINAPI MapProcessHandle( HANDLE handle ) { DWORD ret = 0; struct get_process_info_request *req = get_req_buffer(); req->handle = handle; if (!server_call( REQ_GET_PROCESS_INFO )) ret = (DWORD)req->pid; return ret; } /*********************************************************************** * SetPriorityClass (KERNEL32.503) */ BOOL WINAPI SetPriorityClass( HANDLE hprocess, DWORD priorityclass ) { struct set_process_info_request *req = get_req_buffer(); req->handle = hprocess; req->priority = priorityclass; req->mask = SET_PROCESS_INFO_PRIORITY; return !server_call( REQ_SET_PROCESS_INFO ); } /*********************************************************************** * GetPriorityClass (KERNEL32.250) */ DWORD WINAPI GetPriorityClass(HANDLE hprocess) { DWORD ret = 0; struct get_process_info_request *req = get_req_buffer(); req->handle = hprocess; if (!server_call( REQ_GET_PROCESS_INFO )) ret = req->priority; return ret; } /*********************************************************************** * SetProcessAffinityMask (KERNEL32.662) */ BOOL WINAPI SetProcessAffinityMask( HANDLE hProcess, DWORD affmask ) { struct set_process_info_request *req = get_req_buffer(); req->handle = hProcess; req->affinity = affmask; req->mask = SET_PROCESS_INFO_AFFINITY; return !server_call( REQ_SET_PROCESS_INFO ); } /********************************************************************** * GetProcessAffinityMask (KERNEL32.373) */ BOOL WINAPI GetProcessAffinityMask( HANDLE hProcess, LPDWORD lpProcessAffinityMask, LPDWORD lpSystemAffinityMask ) { BOOL ret = FALSE; struct get_process_info_request *req = get_req_buffer(); req->handle = hProcess; if (!server_call( REQ_GET_PROCESS_INFO )) { if (lpProcessAffinityMask) *lpProcessAffinityMask = req->process_affinity; if (lpSystemAffinityMask) *lpSystemAffinityMask = req->system_affinity; ret = TRUE; } return ret; } /*********************************************************************** * GetStdHandle (KERNEL32.276) */ HANDLE WINAPI GetStdHandle( DWORD std_handle ) { PDB *pdb = PROCESS_Current(); switch(std_handle) { case STD_INPUT_HANDLE: return pdb->env_db->hStdin; case STD_OUTPUT_HANDLE: return pdb->env_db->hStdout; case STD_ERROR_HANDLE: return pdb->env_db->hStderr; } SetLastError( ERROR_INVALID_PARAMETER ); return INVALID_HANDLE_VALUE; } /*********************************************************************** * SetStdHandle (KERNEL32.506) */ BOOL WINAPI SetStdHandle( DWORD std_handle, HANDLE handle ) { PDB *pdb = PROCESS_Current(); /* FIXME: should we close the previous handle? */ switch(std_handle) { case STD_INPUT_HANDLE: pdb->env_db->hStdin = handle; return TRUE; case STD_OUTPUT_HANDLE: pdb->env_db->hStdout = handle; return TRUE; case STD_ERROR_HANDLE: pdb->env_db->hStderr = handle; return TRUE; } SetLastError( ERROR_INVALID_PARAMETER ); return FALSE; } /*********************************************************************** * GetProcessVersion (KERNEL32) */ DWORD WINAPI GetProcessVersion( DWORD processid ) { TDB *pTask; PDB *pdb = PROCESS_IdToPDB( processid ); if (!pdb) return 0; if (!(pTask = (TDB *)GlobalLock16( pdb->task ))) return 0; return (pTask->version&0xff) | (((pTask->version >>8) & 0xff)<<16); } /*********************************************************************** * GetProcessFlags (KERNEL32) */ DWORD WINAPI GetProcessFlags( DWORD processid ) { PDB *pdb = PROCESS_IdToPDB( processid ); if (!pdb) return 0; return pdb->flags; } /*********************************************************************** * SetProcessWorkingSetSize [KERNEL32.662] * Sets the min/max working set sizes for a specified process. * * PARAMS * hProcess [I] Handle to the process of interest * minset [I] Specifies minimum working set size * maxset [I] Specifies maximum working set size * * RETURNS STD */ BOOL WINAPI SetProcessWorkingSetSize(HANDLE hProcess,DWORD minset, DWORD maxset) { FIXME("(0x%08x,%ld,%ld): stub - harmless\n",hProcess,minset,maxset); if(( minset == -1) && (maxset == -1)) { /* Trim the working set to zero */ /* Swap the process out of physical RAM */ } return TRUE; } /*********************************************************************** * GetProcessWorkingSetSize (KERNEL32) */ BOOL WINAPI GetProcessWorkingSetSize(HANDLE hProcess,LPDWORD minset, LPDWORD maxset) { FIXME("(0x%08x,%p,%p): stub\n",hProcess,minset,maxset); /* 32 MB working set size */ if (minset) *minset = 32*1024*1024; if (maxset) *maxset = 32*1024*1024; return TRUE; } /*********************************************************************** * SetProcessShutdownParameters (KERNEL32) * * CHANGED - James Sutherland (JamesSutherland@gmx.de) * Now tracks changes made (but does not act on these changes) * NOTE: the definition for SHUTDOWN_NORETRY was done on guesswork. * It really shouldn't be here, but I'll move it when it's been checked! */ #define SHUTDOWN_NORETRY 1 static unsigned int shutdown_noretry = 0; static unsigned int shutdown_priority = 0x280L; BOOL WINAPI SetProcessShutdownParameters(DWORD level,DWORD flags) { if (flags & SHUTDOWN_NORETRY) shutdown_noretry = 1; else shutdown_noretry = 0; if (level > 0x100L && level < 0x3FFL) shutdown_priority = level; else { ERR("invalid priority level 0x%08lx\n", level); return FALSE; } return TRUE; } /*********************************************************************** * GetProcessShutdownParameters (KERNEL32) * */ BOOL WINAPI GetProcessShutdownParameters( LPDWORD lpdwLevel, LPDWORD lpdwFlags ) { (*lpdwLevel) = shutdown_priority; (*lpdwFlags) = (shutdown_noretry * SHUTDOWN_NORETRY); return TRUE; } /*********************************************************************** * SetProcessPriorityBoost (KERNEL32) */ BOOL WINAPI SetProcessPriorityBoost(HANDLE hprocess,BOOL disableboost) { FIXME("(%d,%d): stub\n",hprocess,disableboost); /* Say we can do it. I doubt the program will notice that we don't. */ return TRUE; } /*********************************************************************** * ReadProcessMemory (KERNEL32) */ BOOL WINAPI ReadProcessMemory( HANDLE process, LPCVOID addr, LPVOID buffer, DWORD size, LPDWORD bytes_read ) { struct read_process_memory_request *req = get_req_buffer(); unsigned int offset = (unsigned int)addr % sizeof(int); unsigned int max = server_remaining( req->data ); /* max length in one request */ unsigned int pos; if (bytes_read) *bytes_read = size; /* first time, read total length to check for permissions */ req->handle = process; req->addr = (char *)addr - offset; req->len = (size + offset + sizeof(int) - 1) / sizeof(int); if (server_call( REQ_READ_PROCESS_MEMORY )) goto error; if (size <= max - offset) { memcpy( buffer, (char *)req->data + offset, size ); return TRUE; } /* now take care of the remaining data */ memcpy( buffer, (char *)req->data + offset, max - offset ); pos = max - offset; size -= pos; while (size) { if (max > size) max = size; req->handle = process; req->addr = (char *)addr + pos; req->len = (max + sizeof(int) - 1) / sizeof(int); if (server_call( REQ_READ_PROCESS_MEMORY )) goto error; memcpy( (char *)buffer + pos, (char *)req->data, max ); size -= max; pos += max; } return TRUE; error: if (bytes_read) *bytes_read = 0; return FALSE; } /*********************************************************************** * WriteProcessMemory (KERNEL32) */ BOOL WINAPI WriteProcessMemory( HANDLE process, LPVOID addr, LPVOID buffer, DWORD size, LPDWORD bytes_written ) { unsigned int first_offset, last_offset; struct write_process_memory_request *req = get_req_buffer(); unsigned int max = server_remaining( req->data ); /* max length in one request */ unsigned int pos, last_mask; if (!size) { SetLastError( ERROR_INVALID_PARAMETER ); return FALSE; } if (bytes_written) *bytes_written = size; /* compute the mask for the first int */ req->first_mask = ~0; first_offset = (unsigned int)addr % sizeof(int); memset( &req->first_mask, 0, first_offset ); /* compute the mask for the last int */ last_offset = (size + first_offset) % sizeof(int); last_mask = 0; memset( &last_mask, 0xff, last_offset ? last_offset : sizeof(int) ); req->handle = process; req->addr = (char *)addr - first_offset; /* for the first request, use the total length */ req->len = (size + first_offset + sizeof(int) - 1) / sizeof(int); if (size + first_offset < max) /* we can do it in one round */ { memcpy( (char *)req->data + first_offset, buffer, size ); req->last_mask = last_mask; if (server_call( REQ_WRITE_PROCESS_MEMORY )) goto error; return TRUE; } /* needs multiple server calls */ memcpy( (char *)req->data + first_offset, buffer, max - first_offset ); req->last_mask = ~0; if (server_call( REQ_WRITE_PROCESS_MEMORY )) goto error; pos = max - first_offset; size -= pos; while (size) { if (size <= max) /* last one */ { req->last_mask = last_mask; max = size; } req->handle = process; req->addr = (char *)addr + pos; req->len = (max + sizeof(int) - 1) / sizeof(int); req->first_mask = ~0; memcpy( req->data, (char *) buffer + pos, max ); if (server_call( REQ_WRITE_PROCESS_MEMORY )) goto error; pos += max; size -= max; } return TRUE; error: if (bytes_written) *bytes_written = 0; return FALSE; } /*********************************************************************** * RegisterServiceProcess (KERNEL, KERNEL32) * * A service process calls this function to ensure that it continues to run * even after a user logged off. */ DWORD WINAPI RegisterServiceProcess(DWORD dwProcessId, DWORD dwType) { /* I don't think that Wine needs to do anything in that function */ return 1; /* success */ } /*********************************************************************** * GetExitCodeProcess [KERNEL32.325] * * Gets termination status of specified process * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI GetExitCodeProcess( HANDLE hProcess, /* [I] handle to the process */ LPDWORD lpExitCode) /* [O] address to receive termination status */ { BOOL ret = FALSE; struct get_process_info_request *req = get_req_buffer(); req->handle = hProcess; if (!server_call( REQ_GET_PROCESS_INFO )) { if (lpExitCode) *lpExitCode = req->exit_code; ret = TRUE; } return ret; } /*********************************************************************** * SetErrorMode (KERNEL32.486) */ UINT WINAPI SetErrorMode( UINT mode ) { UINT old = PROCESS_Current()->error_mode; PROCESS_Current()->error_mode = mode; return old; } /*********************************************************************** * GetCurrentProcess (KERNEL32.198) */ #undef GetCurrentProcess HANDLE WINAPI GetCurrentProcess(void) { return 0xffffffff; }