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

    65

static const char *_exception_string;

    66

static void *_safe_esp;

    67

static char *_crash_msg;

    68

static bool _expanded;

    69

static bool _did_emerg_save;

    70

static int _ident;

    71

    72

void ShowOSErrorBox(const char *buf)

    73

{

    74

	MyShowCursor(true);

    75

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

    76

    77

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

    78

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

    79

	if (*buf == '!') {

    80

		_exception_string = buf;

    81

		*(byte*)0 = 0;

    82

	}

    83

#endif

    84

}

    85

    86

typedef struct DebugFileInfo {

    87

	uint32 size;

    88

	uint32 crc32;

    89

	SYSTEMTIME file_time;

    90

} DebugFileInfo;

    91

    92

static uint32 *_crc_table;

    93

    94

static void MakeCRCTable(uint32 *table) {

    95

	uint32 crc, poly = 0xEDB88320L;

    96

	int i;

    97

	int j;

    98

    99

	_crc_table = table;

   100

   101

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

   102

		crc = i;

   103

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

   104

			if (crc & 1)

   105

				crc = (crc >> 1) ^ poly;

   106

			else

   107

				crc >>= 1;

   108

		}

   109

		table[i] = crc;

   110

	}

   111

}

   112

   113

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

   114

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

   115

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

   116

	}

   117

	return crc;

   118

}

   119

   120

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

   121

{

   122

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

   123

   124

	{

   125

		HANDLE file;

   126

		byte buffer[1024];

   127

		DWORD numread;

   128

		uint32 filesize = 0;

   129

		FILETIME write_time;

   130

		uint32 crc = (uint32)-1;

   131

   132

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

   133

			OPEN_EXISTING, 0, 0);

   134

		if (file != INVALID_HANDLE_VALUE) {

   135

			while(true) {

   136

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

   137

						numread == 0)

   138

					break;

   139

				filesize += numread;

   140

				crc = CalcCRC(buffer, numread, crc);

   141

			}

   142

			dfi->size = filesize;

   143

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

   144

   145

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

   146

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

   147

			}

   148

			CloseHandle(file);

   149

		}

   150

	}

   151

}

   152

   153

   154

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

   155

{

   156

	char buffer[MAX_PATH];

   157

	DebugFileInfo dfi;

   158

   159

	GetModuleFileName(mod, buffer, MAX_PATH);

   160

	GetFileInfo(&dfi, buffer);

   161

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

   162

		buffer,

   163

		mod,

   164

		dfi.size,

   165

		dfi.crc32,

   166

		dfi.file_time.wYear,

   167

		dfi.file_time.wMonth,

   168

		dfi.file_time.wDay,

   169

		dfi.file_time.wHour,

   170

		dfi.file_time.wMinute,

   171

		dfi.file_time.wSecond

   172

	);

   173

	return output;

   174

}

   175

   176

static char *PrintModuleList(char *output)

   177

{

   178

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

   179

	HANDLE proc;

   180

	HMODULE modules[100];

   181

	DWORD needed;

   182

	BOOL res;

   183

	int count,i;

   184

   185

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

   186

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

   187

		if (proc) {

   188

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

   189

			CloseHandle(proc);

   190

			if (res) {

   191

				count =

   192

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

   193

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

   194

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

   195

				return output;

   196

			}

   197

		}

   198

	}

   199

	output = PrintModuleInfo(output, NULL);

   200

	return output;

   201

}

   202

   203

static const char _crash_desc[] =

   204

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

   205

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

   206

	"This will greatly help debugging. "

   207

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

   208

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

   209

   210

static const char _save_succeeded[] =

   211

	"Emergency save succeeded.\n"

   212

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

   213

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

   214

   215

static bool EmergencySave(void)

   216

{

   217

	SaveOrLoad("crash.sav", SL_SAVE);

   218

	return true;

   219

}

   220

   221

typedef struct {

   222

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

   223

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

   224

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

   225

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

   226

	BOOL (WINAPI *InternetCloseHandle)(HINTERNET);

   227

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

   228

} WinInetProcs;

   229

   230

#define M(x) x "\0"

   231

static const char wininet_files[] =

   232

	M("wininet.dll")

   233

	M("InternetOpenA")

   234

	M("InternetConnectA")

   235

	M("HttpOpenRequestA")

   236

	M("HttpSendRequestA")

   237

	M("InternetCloseHandle")

   238

	M("HttpQueryInfoA")

   239

	M("");

   240

#undef M

   241

   242

static WinInetProcs _wininet;

   243

   244

   245

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

   246

{

   247

	HINTERNET inet, conn, http;

   248

	const char *err = NULL;

   249

	DWORD code, len;

   250

	static char buf[100];

   251

	char buff[100];

   252

   253

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

   254

   255

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

   256

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

   257

   258

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

   259

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

   260

   261

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

   262

   263

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

   264

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

   265

   266

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

   267

   268

	len = sizeof(code);

   269

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

   270

   271

	if (code != 200) {

   272

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

   273

		len = sizeof(buf) - l;

   274

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

   275

		err = buf;

   276

	}

   277

   278

error4:

   279

	_wininet.InternetCloseHandle(http);

   280

error3:

   281

	_wininet.InternetCloseHandle(conn);

   282

error2:

   283

	_wininet.InternetCloseHandle(inet);

   284

error1:

   285

	return err;

   286

}

   287

   288

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

   289

{

   290

	HANDLE h;

   291

	unsigned long size;

   292

	unsigned long read;

   293

	void *mem;

   294

   295

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

   296

	if (h == NULL) return;

   297

   298

	size = GetFileSize(h, NULL);

   299

	if (size > 500000) goto error1;

   300

   301

	mem = malloc(size);

   302

	if (mem == NULL) goto error1;

   303

   304

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

   305

   306

	SubmitCrashReport(wnd, mem, size, file);

   307

   308

error2:

   309

	free(mem);

   310

error1:

   311

	CloseHandle(h);

   312

}

   313

   314

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

   315

   316

static void SetWndSize(HWND wnd, int mode)

   317

{

   318

	RECT r,r2;

   319

	int offs;

   320

   321

	GetWindowRect(wnd, &r);

   322

   323

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

   324

   325

	if (mode >= 0) {

   326

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

   327

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

   328

		if (!mode) offs = -offs;

   329

		SetWindowPos(wnd, HWND_TOPMOST, 0, 0,

   330

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

   331

	} else {

   332

		SetWindowPos(wnd, HWND_TOPMOST,

   333

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

   334

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

   335

			0, 0, SWP_NOSIZE);

   336

	}

   337

}

   338

   339

static bool DoEmergencySave(HWND wnd)

   340

{

   341

	bool b = false;

   342

   343

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

   344

	_did_emerg_save = true;

   345

	__try {

   346

		b = EmergencySave();

   347

	} __except (1) {}

   348

	return b;

   349

}

   350

   351

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

   352

{

   353

	switch(msg) {

   354

	case WM_INITDIALOG:

   355

		SetDlgItemText(wnd, 10, _crash_desc);

   356

		SetDlgItemText(wnd, 11, _crash_msg);

   357

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

   358

		SetWndSize(wnd, -1);

   359

		return TRUE;

   360

	case WM_COMMAND:

   361

		switch(wParam) {

   362

		case 12: // Close

   363

			ExitProcess(0);

   364

		case 13: { // Emergency save

   365

			if (DoEmergencySave(wnd))

   366

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

   367

			else

   368

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

   369

			break;

   370

		}

   371

		case 14: { // Submit crash report

   372

			const char *s;

   373

   374

			SetCursor(LoadCursor(NULL, IDC_WAIT));

   375

   376

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

   377

			if (s) {

   378

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

   379

				break;

   380

			}

   381

   382

			// try to submit emergency savegame

   383

			if (_did_emerg_save || DoEmergencySave(wnd)) {

   384

				SubmitFile(wnd, "crash.sav");

   385

			}

   386

			// try to submit the autosaved game

   387

			if (_opt.autosave) {

   388

				char buf[40];

   389

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

   390

				SubmitFile(wnd, buf);

   391

			}

   392

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

   393

			SetCursor(LoadCursor(NULL, IDC_ARROW));

   394

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

   395

			break;

   396

		}

   397

		case 15: // Expand

   398

			_expanded ^= 1;

   399

			SetWndSize(wnd, _expanded);

   400

			break;

   401

		}

   402

		return TRUE;

   403

	case WM_CLOSE:

   404

		ExitProcess(0);

   405

	}

   406

   407

	return FALSE;

   408

}

   409

   410

static void Handler2(void)

   411

{

   412

	ShowCursor(TRUE);

   413

	ShowWindow(GetActiveWindow(), FALSE);

   414

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

   415

}

   416

   417

extern bool CloseConsoleLogIfActive(void);

   418

   419

static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)

   420

{

   421

	char *output;

   422

	static bool had_exception;

   423

   424

	if (had_exception) ExitProcess(0);

   425

	had_exception = true;

   426

   427

	_ident = GetTickCount(); // something pretty unique

   428

   429

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

   430

	_crash_msg = output = LocalAlloc(LMEM_FIXED, 8192);

   431

   432

	{

   433

		SYSTEMTIME time;

   434

		GetLocalTime(&time);

   435

		output += sprintf(output,

   436

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

   437

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

   438

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

   439

			time.wYear,

   440

			time.wMonth,

   441

			time.wDay,

   442

			time.wHour,

   443

			time.wMinute,

   444

			time.wSecond,

   445

			"???"

   446

		);

   447

	}

   448

   449

	if (_exception_string)

   450

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

   451

   452

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

   453

		"Registers:\r\n"

   454

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

   455

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

   456

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

   457

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

   458

		ep->ExceptionRecord->ExceptionCode,

   459

		ep->ExceptionRecord->ExceptionAddress,

   460

		ep->ContextRecord->Eax,

   461

		ep->ContextRecord->Ebx,

   462

		ep->ContextRecord->Ecx,

   463

		ep->ContextRecord->Edx,

   464

		ep->ContextRecord->Esi,

   465

		ep->ContextRecord->Edi,

   466

		ep->ContextRecord->Ebp,

   467

		ep->ContextRecord->Esp,

   468

		ep->ContextRecord->Eip,

   469

		ep->ContextRecord->EFlags

   470

	);

   471

   472

	{

   473

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

   474

		int i;

   475

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

   476

			if (IsBadReadPtr(b, 1)) {

   477

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

   478

			} else {

   479

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

   480

			}

   481

			b++;

   482

		}

   483

		output += sprintf(output,

   484

			"\r\n"

   485

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

   486

		);

   487

	}

   488

   489

	{

   490

		int i,j;

   491

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

   492

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

   493

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

   494

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

   495

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

   496

				} else {

   497

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

   498

				}

   499

				b++;

   500

			}

   501

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

   502

		}

   503

	}

   504

   505

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

   506

	output = PrintModuleList(output);

   507

   508

	{

   509

		OSVERSIONINFO os;

   510

		os.dwOSVersionInfoSize = sizeof(os);

   511

		GetVersionEx(&os);

   512

		output += sprintf(output, "\r\nSystem information:\r\n"

   513

			" Windows version %d.%d %d %s\r\n",

   514

			os.dwMajorVersion, os.dwMinorVersion, os.dwBuildNumber, os.szCSDVersion);

   515