1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "debug.h"

     6

#include "functions.h"

     7

#include "hal.h"

     8

#include "macros.h"

     9

#include "saveload.h"

    10

#include "string.h"

    11

#include "table/strings.h"

    12

#include "gfx.h"

    13

#include "window.h"

    14

#include <windows.h>

    15

#include <winnt.h>

    16

#include <wininet.h>

    17

#include <io.h>

    18

#include <fcntl.h>

    19

#include "variables.h"

    20

#include "win32.h"

    21

    22

static bool _has_console;

    23

    24

#if defined(__MINGW32__) || defined(__CYGWIN__)

    25

	#define __TIMESTAMP__   __DATE__ __TIME__

    26

#endif

    27

    28

    29

static bool cursor_visible = true;

    30

    31

bool MyShowCursor(bool show)

    32

{

    33

	if (cursor_visible == show) return show;

    34

    35

	cursor_visible = show;

    36

	ShowCursor(show);

    37

    38

	return !show;

    39

}

    40

    41

    42

// Helper function needed by dynamically loading SDL

    43

bool LoadLibraryList(Function proc[], const char* dll)

    44

{

    45

	while (*dll != '\0') {

    46

		HMODULE lib = LoadLibrary(dll);

    47

    48

		if (lib == NULL) return false;

    49

		while (true) {

    50

		  	FARPROC p;

    51

    52

			while (*dll++ != '\0');

    53

			if (*dll == '\0') break;

    54

			p = GetProcAddress(lib, dll);

    55

			if (p == NULL) return false;

    56

			*proc++ = (Function)p;

    57

		}

    58

		dll++;

    59

	}

    60

	return true;

    61

}

    62

    63

#ifdef _MSC_VER

    64

static const char *_exception_string;

    65

#endif

    66

    67

void ShowOSErrorBox(const char *buf)

    68

{

    69

	MyShowCursor(true);

    70

	MessageBoxA(GetActiveWindow(), buf, "Error!", MB_ICONSTOP);

    71

    72

// if exception tracker is enabled, we crash here to let the exception handler handle it.

    73

#if defined(WIN32_EXCEPTION_TRACKER) && !defined(_DEBUG)

    74

	if (*buf == '!') {

    75

		_exception_string = buf;

    76

		*(byte*)0 = 0;

    77

	}

    78

#endif

    79

}

    80

    81

#ifdef _MSC_VER

    82

    83

static void *_safe_esp;

    84

static char *_crash_msg;

    85

static bool _expanded;

    86

static bool _did_emerg_save;

    87

static int _ident;

    88

    89

typedef struct DebugFileInfo {

    90

	uint32 size;

    91

	uint32 crc32;

    92

	SYSTEMTIME file_time;

    93

} DebugFileInfo;

    94

    95

static uint32 *_crc_table;

    96

    97

static void MakeCRCTable(uint32 *table) {

    98

	uint32 crc, poly = 0xEDB88320L;

    99

	int i;

   100

	int j;

   101

   102

	_crc_table = table;

   103

   104

	for (i = 0; i != 256; i++) {

   105

		crc = i;

   106

		for (j = 8; j != 0; j--) {

   107

			if (crc & 1)

   108

				crc = (crc >> 1) ^ poly;

   109

			else

   110

				crc >>= 1;

   111

		}

   112

		table[i] = crc;

   113

	}

   114

}

   115

   116

static uint32 CalcCRC(byte *data, uint size, uint32 crc) {

   117

	for (; size > 0; size--) {

   118

		crc = ((crc >> 8) & 0x00FFFFFF) ^ _crc_table[(crc ^ *data++) & 0xFF];

   119

	}

   120

	return crc;

   121

}

   122

   123

static void GetFileInfo(DebugFileInfo *dfi, const char *filename)

   124

{

   125

	memset(dfi, 0, sizeof(dfi));

   126

   127

	{

   128

		HANDLE file;

   129

		byte buffer[1024];

   130

		DWORD numread;

   131

		uint32 filesize = 0;

   132

		FILETIME write_time;

   133

		uint32 crc = (uint32)-1;

   134

   135

		file = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, NULL,

   136

			OPEN_EXISTING, 0, 0);

   137

		if (file != INVALID_HANDLE_VALUE) {

   138

			while(true) {

   139

				if (ReadFile(file, buffer, sizeof(buffer), &numread, NULL) == 0 ||

   140

						numread == 0)

   141

					break;

   142

				filesize += numread;

   143

				crc = CalcCRC(buffer, numread, crc);

   144

			}

   145

			dfi->size = filesize;

   146

			dfi->crc32 = crc ^ (uint32)-1;

   147

   148

			if (GetFileTime(file, NULL, NULL, &write_time)) {

   149

				FileTimeToSystemTime(&write_time, &dfi->file_time);

   150

			}

   151

			CloseHandle(file);

   152

		}

   153

	}

   154

}

   155

   156

   157

static char *PrintModuleInfo(char *output, HMODULE mod)

   158

{

   159

	char buffer[MAX_PATH];

   160

	DebugFileInfo dfi;

   161

   162

	GetModuleFileName(mod, buffer, MAX_PATH);

   163

	GetFileInfo(&dfi, buffer);

   164

	output += sprintf(output, " %-20s handle: %p size: %d crc: %.8X date: %d-%.2d-%.2d %.2d:%.2d:%.2d\r\n",

   165

		buffer,

   166

		mod,

   167

		dfi.size,

   168

		dfi.crc32,

   169

		dfi.file_time.wYear,

   170

		dfi.file_time.wMonth,

   171

		dfi.file_time.wDay,

   172

		dfi.file_time.wHour,

   173

		dfi.file_time.wMinute,

   174

		dfi.file_time.wSecond

   175

	);

   176

	return output;

   177

}

   178

   179

static char *PrintModuleList(char *output)

   180

{

   181

	BOOL (WINAPI *EnumProcessModules)(HANDLE,HMODULE*,DWORD,LPDWORD);

   182

	HANDLE proc;

   183

	HMODULE modules[100];

   184

	DWORD needed;

   185

	BOOL res;

   186

	int count,i;

   187

   188

	if (LoadLibraryList((Function*)&EnumProcessModules, "psapi.dll\0EnumProcessModules\0")) {

   189

		proc = OpenProcess(PROCESS_ALL_ACCESS, FALSE, GetCurrentProcessId());

   190

		if (proc) {

   191

			res = EnumProcessModules(proc, modules, sizeof(modules), &needed);

   192

			CloseHandle(proc);

   193

			if (res) {

   194

				count =

   195

					min(needed / sizeof(HMODULE), lengthof(modules));

   196

				for (i = 0; i != count; i++)

   197

					output = PrintModuleInfo(output, modules[i]);

   198

				return output;

   199

			}

   200

		}

   201

	}

   202

	output = PrintModuleInfo(output, NULL);

   203

	return output;

   204

}

   205

   206

static const char _crash_desc[] =

   207

	"A serious fault condition occured in the game. The game will shut down.\n"

   208

	"Press \"Submit report\" to send crash information to the developers. "

   209

	"This will greatly help debugging. "

   210

	"The information contained in the report is displayed below.\n"

   211

	"Press \"Emergency save\" to attempt saving the game.";

   212

   213

static const char _save_succeeded[] =

   214

	"Emergency save succeeded.\n"

   215

	"Be aware that critical parts of the internal game state may have become "

   216

	"corrupted. The saved game is not guaranteed to work.";

   217

   218

static bool EmergencySave(void)

   219

{

   220

	SaveOrLoad("crash.sav", SL_SAVE);

   221

	return true;

   222

}

   223

   224

typedef struct {

   225

	HINTERNET (WINAPI *InternetOpenA)(LPCSTR,DWORD, LPCSTR, LPCSTR, DWORD);

   226

	HINTERNET (WINAPI *InternetConnectA)(HINTERNET, LPCSTR, INTERNET_PORT, LPCSTR, LPCSTR, DWORD, DWORD, DWORD);

   227

	HINTERNET (WINAPI *HttpOpenRequestA)(HINTERNET, LPCSTR, LPCSTR, LPCSTR, LPCSTR, LPCSTR *, DWORD, DWORD);

   228

	BOOL (WINAPI *HttpSendRequestA)(HINTERNET, LPCSTR, DWORD, LPVOID, DWORD);

   229

	BOOL (WINAPI *InternetCloseHandle)(HINTERNET);

   230

	BOOL (WINAPI *HttpQueryInfo)(HINTERNET, DWORD, LPVOID, LPDWORD, LPDWORD);

   231

} WinInetProcs;

   232

   233

#define M(x) x "\0"

   234

static const char wininet_files[] =

   235

	M("wininet.dll")

   236

	M("InternetOpenA")

   237

	M("InternetConnectA")

   238

	M("HttpOpenRequestA")

   239

	M("HttpSendRequestA")

   240

	M("InternetCloseHandle")

   241

	M("HttpQueryInfoA")

   242

	M("");

   243

#undef M

   244

   245

static WinInetProcs _wininet;

   246

   247

   248

static const char *SubmitCrashReport(HWND wnd, void *msg, size_t msglen, const char *arg)

   249

{

   250

	HINTERNET inet, conn, http;

   251

	const char *err = NULL;

   252

	DWORD code, len;

   253

	static char buf[100];

   254

	char buff[100];

   255

   256

	if (_wininet.InternetOpen == NULL && !LoadLibraryList((Function*)&_wininet, wininet_files)) return "can't load wininet.dll";

   257

   258

	inet = _wininet.InternetOpen("OTTD", INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0 );

   259

	if (inet == NULL) { err = "internetopen failed"; goto error1; }

   260

   261

	conn = _wininet.InternetConnect(inet, "openttd.com", INTERNET_DEFAULT_HTTP_PORT, "", "", INTERNET_SERVICE_HTTP, 0, 0);

   262

	if (conn == NULL) { err = "internetconnect failed"; goto error2; }

   263

   264

	sprintf(buff, "/crash.php?file=%s&ident=%d", arg, _ident);

   265

   266

	http = _wininet.HttpOpenRequest(conn, "POST", buff, NULL, NULL, NULL, INTERNET_FLAG_NO_CACHE_WRITE , 0);

   267

	if (http == NULL) { err = "httpopenrequest failed"; goto error3; }

   268

   269

	if (!_wininet.HttpSendRequest(http, "Content-type: application/binary", -1, msg, msglen)) { err = "httpsendrequest failed"; goto error4; }

   270

   271

	len = sizeof(code);

   272

	if (!_wininet.HttpQueryInfo(http, HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER, &code, &len, 0)) { err = "httpqueryinfo failed"; goto error4; }

   273

   274

	if (code != 200) {

   275

		int l = sprintf(buf, "Server said: %d ", code);

   276

		len = sizeof(buf) - l;

   277

		_wininet.HttpQueryInfo(http, HTTP_QUERY_STATUS_TEXT, buf + l, &len, 0);

   278

		err = buf;

   279

	}

   280

   281

error4:

   282

	_wininet.InternetCloseHandle(http);

   283

error3:

   284

	_wininet.InternetCloseHandle(conn);

   285

error2:

   286

	_wininet.InternetCloseHandle(inet);

   287

error1:

   288

	return err;

   289

}

   290

   291

static void SubmitFile(HWND wnd, const char *file)

   292

{

   293

	HANDLE h;

   294

	unsigned long size;

   295

	unsigned long read;

   296

	void *mem;

   297

   298

	h = CreateFile(file, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);

   299

	if (h == NULL) return;

   300

   301

	size = GetFileSize(h, NULL);

   302

	if (size > 500000) goto error1;

   303

   304

	mem = malloc(size);

   305

	if (mem == NULL) goto error1;

   306

   307

	if (!ReadFile(h, mem, size, &read, NULL) || read != size) goto error2;

   308

   309

	SubmitCrashReport(wnd, mem, size, file);

   310

   311

error2:

   312

	free(mem);

   313

error1:

   314

	CloseHandle(h);

   315

}

   316

   317

static const char * const _expand_texts[] = {"S&how report >>", "&Hide report <<" };

   318

   319

static void SetWndSize(HWND wnd, int mode)

   320

{

   321

	RECT r,r2;

   322

	int offs;

   323

   324

	GetWindowRect(wnd, &r);

   325

   326

	SetDlgItemText(wnd, 15, _expand_texts[mode == 1]);

   327

   328

	if (mode >= 0) {

   329

		GetWindowRect(GetDlgItem(wnd, 11), &r2);

   330

		offs = r2.bottom - r2.top + 10;

   331

		if (!mode) offs = -offs;

   332

		SetWindowPos(wnd, HWND_TOPMOST, 0, 0,

   333

			r.right - r.left, r.bottom - r.top + offs, SWP_NOMOVE | SWP_NOZORDER);

   334

	} else {

   335

		SetWindowPos(wnd, HWND_TOPMOST,

   336

			(GetSystemMetrics(SM_CXSCREEN) - (r.right - r.left)) / 2,

   337

			(GetSystemMetrics(SM_CYSCREEN) - (r.bottom - r.top)) / 2,

   338

			0, 0, SWP_NOSIZE);

   339

	}

   340

}

   341

   342

static bool DoEmergencySave(HWND wnd)

   343

{

   344

	bool b = false;

   345

   346

	EnableWindow(GetDlgItem(wnd, 13), FALSE);

   347

	_did_emerg_save = true;

   348

	__try {

   349

		b = EmergencySave();

   350

	} __except (1) {}

   351

	return b;

   352

}

   353

   354

static INT_PTR CALLBACK CrashDialogFunc(HWND wnd,UINT msg,WPARAM wParam,LPARAM lParam)

   355

{

   356

	switch(msg) {

   357

	case WM_INITDIALOG:

   358

		SetDlgItemText(wnd, 10, _crash_desc);

   359

		SetDlgItemText(wnd, 11, _crash_msg);

   360

		SendDlgItemMessage(wnd, 11, WM_SETFONT, (WPARAM)GetStockObject(ANSI_FIXED_FONT), FALSE);

   361

		SetWndSize(wnd, -1);

   362

		return TRUE;

   363

	case WM_COMMAND:

   364

		switch(wParam) {

   365

		case 12: // Close

   366

			ExitProcess(0);

   367

		case 13: { // Emergency save

   368

			if (DoEmergencySave(wnd))

   369

				MessageBoxA(wnd, _save_succeeded, "Save successful", MB_ICONINFORMATION);

   370

			else

   371

				MessageBoxA(wnd, "Save failed", "Save failed", MB_ICONINFORMATION);

   372

			break;

   373

		}

   374

		case 14: { // Submit crash report

   375

			const char *s;

   376

   377

			SetCursor(LoadCursor(NULL, IDC_WAIT));

   378

   379

			s = SubmitCrashReport(wnd, _crash_msg, strlen(_crash_msg), "");

   380

			if (s) {

   381

				MessageBoxA(wnd, s, "Error", MB_ICONSTOP);

   382

				break;

   383

			}

   384

   385

			// try to submit emergency savegame

   386

			if (_did_emerg_save || DoEmergencySave(wnd)) {

   387

				SubmitFile(wnd, "crash.sav");

   388

			}

   389

			// try to submit the autosaved game

   390

			if (_opt.autosave) {

   391

				char buf[40];

   392

				sprintf(buf, "autosave%d.sav", (_autosave_ctr - 1) & 3);

   393

				SubmitFile(wnd, buf);

   394

			}

   395

			EnableWindow(GetDlgItem(wnd, 14), FALSE);

   396

			SetCursor(LoadCursor(NULL, IDC_ARROW));

   397

			MessageBoxA(wnd, "Crash report submitted. Thank you.", "Crash Report", MB_ICONINFORMATION);

   398

			break;

   399

		}

   400

		case 15: // Expand

   401

			_expanded ^= 1;

   402

			SetWndSize(wnd, _expanded);

   403

			break;

   404

		}

   405

		return TRUE;

   406

	case WM_CLOSE:

   407

		ExitProcess(0);

   408

	}

   409

   410

	return FALSE;

   411

}

   412

   413

static void Handler2(void)

   414

{

   415

	ShowCursor(TRUE);

   416

	ShowWindow(GetActiveWindow(), FALSE);

   417

	DialogBox(GetModuleHandle(NULL), MAKEINTRESOURCE(100), NULL, CrashDialogFunc);

   418

}

   419

   420

extern bool CloseConsoleLogIfActive(void);

   421

   422

static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)

   423

{

   424

	char *output;

   425

	static bool had_exception;

   426

   427

	if (had_exception) ExitProcess(0);

   428

	had_exception = true;

   429

   430

	_ident = GetTickCount(); // something pretty unique

   431

   432

	MakeCRCTable(alloca(256 * sizeof(uint32)));

   433

	_crash_msg = output = LocalAlloc(LMEM_FIXED, 8192);

   434

   435

	{

   436

		SYSTEMTIME time;

   437

		GetLocalTime(&time);

   438

		output += sprintf(output,

   439

			"*** OpenTTD Crash Report ***\r\n"

   440

			"Date: %d-%.2d-%.2d %.2d:%.2d:%.2d\r\n"

   441

			"Build: %s built on " __TIMESTAMP__ "\r\n",

   442

			time.wYear,

   443

			time.wMonth,

   444

			time.wDay,

   445

			time.wHour,

   446

			time.wMinute,

   447

			time.wSecond,

   448

			"???"

   449

		);

   450

	}

   451

   452

	if (_exception_string)

   453

		output += sprintf(output, "Reason: %s\r\n", _exception_string);

   454

   455

	output += sprintf(output, "Exception %.8X at %.8X\r\n"

   456

		"Registers:\r\n"

   457

		" EAX: %.8X EBX: %.8X ECX: %.8X EDX: %.8X\r\n"

   458

		" ESI: %.8X EDI: %.8X EBP: %.8X ESP: %.8X\r\n"

   459

		" EIP: %.8X EFLAGS: %.8X\r\n"

   460

		"\r\nBytes at CS:EIP:\r\n",

   461

		ep->ExceptionRecord->ExceptionCode,

   462

		ep->ExceptionRecord->ExceptionAddress,

   463

		ep->ContextRecord->Eax,

   464

		ep->ContextRecord->Ebx,

   465

		ep->ContextRecord->Ecx,

   466

		ep->ContextRecord->Edx,

   467

		ep->ContextRecord->Esi,

   468

		ep->ContextRecord->Edi,

   469

		ep->ContextRecord->Ebp,

   470

		ep->ContextRecord->Esp,

   471

		ep->ContextRecord->Eip,

   472

		ep->ContextRecord->EFlags

   473

	);

   474

   475

	{

   476

		byte *b = (byte*)ep->ContextRecord->Eip;

   477

		int i;

   478

		for (i = 0; i != 24; i++) {

   479

			if (IsBadReadPtr(b, 1)) {

   480

				output += sprintf(output, " ??"); // OCR: WAS: , 0);

   481

			} else {

   482

				output += sprintf(output, " %.2X", *b);

   483

			}

   484

			b++;

   485

		}

   486

		output += sprintf(output,

   487

			"\r\n"

   488

			"\r\nStack trace: \r\n"

   489

		);

   490

	}

   491

   492

	{

   493

		int i,j;

   494

		uint32 *b = (uint32*)ep->ContextRecord->Esp;

   495

		for (j = 0; j != 24; j++) {

   496

			for (i = 0; i != 8; i++) {

   497

				if (IsBadReadPtr(b,sizeof(uint32))) {

   498

					output += sprintf(output, " ????????"); //OCR: WAS - , 0);

   499

				} else {

   500

					output += sprintf(output, " %.8X", *b);

   501

				}

   502

				b++;

   503

			}

   504

			output += sprintf(output, "\r\n");

   505

		}

   506

	}

   507

   508

	output += sprintf(output, "\r\nModule information:\r\n");

   509

	output = PrintModuleList(output);

   510

   511

	{

   512

		OSVERSIONINFO os;

   513

		os.dwOSVersionInfoSize = sizeof(os);

   514

		GetVersionEx(&os);