1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "debug.h"

     6

#include "functions.h"

     7

#include "macros.h"

     8

#include "saveload.h"

     9

#include "string.h"

    10

#include "table/strings.h"

    11

#include "gfx.h"

    12

#include "window.h"

    13

#include <windows.h>

    14

#include <winnt.h>

    15

#include <wininet.h>

    16

#include <io.h>

    17

#include <fcntl.h>

    18

#include "variables.h"

    19

#include "win32.h"

    20

    21

#include "driver.h"

    22

    23

#include "music/dmusic.h"

    24

#include "music/null_m.h"

    25

#include "music/win32_m.h"

    26

    27

#include "sound/null_s.h"

    28

#include "sound/sdl_s.h"

    29

#include "sound/win32_s.h"

    30

    31

#include "video/dedicated_v.h"

    32

#include "video/null_v.h"

    33

#include "video/sdl_v.h"

    34

#include "video/win32_v.h"

    35

    36

static bool _has_console;

    37

    38

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

    39

	#define __TIMESTAMP__   __DATE__ __TIME__

    40

#endif

    41

    42

    43

// Helper function needed by dynamically loading SDL

    44

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

    45

{

    46

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

    47

		HMODULE lib = LoadLibrary(dll);

    48

    49

		if (lib == NULL) return false;

    50

		while (true) {

    51

		  	FARPROC p;

    52

    53

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

    54

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

    55

			p = GetProcAddress(lib, dll);

    56

			if (p == NULL) return false;

    57

			*proc++ = (Function)p;

    58

		}

    59

		dll++;

    60

	}

    61

	return true;

    62

}

    63

    64

#ifdef _MSC_VER

    65

    66

static const char *_exception_string;

    67

static void *_safe_esp;

    68

static char *_crash_msg;

    69

static bool _expanded;

    70

static bool _did_emerg_save;

    71

static int _ident;

    72

    73

void ShowOSErrorBox(const char *buf)

    74

{

    75

	MyShowCursor(true);

    76

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

    77

    78

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

    79

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

    80

	if (*buf == '!') {

    81

		_exception_string = buf;

    82

		*(byte*)0 = 0;

    83

	}

    84

#endif

    85

}

    86

    87

typedef struct DebugFileInfo {

    88

	uint32 size;

    89

	uint32 crc32;

    90

	SYSTEMTIME file_time;

    91

} DebugFileInfo;

    92

    93

static uint32 *_crc_table;

    94

    95

static void MakeCRCTable(uint32 *table) {

    96

	uint32 crc, poly = 0xEDB88320L;

    97

	int i;

    98

	int j;

    99

   100

	_crc_table = table;

   101

   102

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

   103

		crc = i;

   104

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

   105

			if (crc & 1)

   106

				crc = (crc >> 1) ^ poly;

   107

			else

   108

				crc >>= 1;

   109

		}

   110

		table[i] = crc;

   111

	}

   112

}

   113

   114

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

   115

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

   116

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

   117

	}

   118

	return crc;

   119

}

   120

   121

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

   122

{

   123

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

   124

   125

	{

   126

		HANDLE file;

   127

		byte buffer[1024];

   128

		DWORD numread;

   129

		uint32 filesize = 0;

   130

		FILETIME write_time;

   131

		uint32 crc = (uint32)-1;

   132

   133

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

   134

			OPEN_EXISTING, 0, 0);

   135

		if (file != INVALID_HANDLE_VALUE) {

   136

			while(true) {

   137

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

   138

						numread == 0)

   139

					break;

   140

				filesize += numread;

   141

				crc = CalcCRC(buffer, numread, crc);

   142

			}

   143

			dfi->size = filesize;

   144

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

   145

   146

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

   147

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

   148

			}

   149

			CloseHandle(file);

   150

		}

   151

	}

   152

}

   153

   154

   155

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

   156

{

   157

	char buffer[MAX_PATH];

   158

	DebugFileInfo dfi;

   159

   160

	GetModuleFileName(mod, buffer, MAX_PATH);

   161

	GetFileInfo(&dfi, buffer);

   162

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

   163

		buffer,

   164

		mod,

   165

		dfi.size,

   166

		dfi.crc32,

   167

		dfi.file_time.wYear,

   168

		dfi.file_time.wMonth,

   169

		dfi.file_time.wDay,

   170

		dfi.file_time.wHour,

   171

		dfi.file_time.wMinute,

   172

		dfi.file_time.wSecond

   173

	);

   174

	return output;

   175

}

   176

   177

static char *PrintModuleList(char *output)

   178

{

   179

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

   180

	HANDLE proc;

   181

	HMODULE modules[100];

   182

	DWORD needed;

   183

	BOOL res;

   184

	int count,i;

   185

   186

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

   187

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

   188

		if (proc) {

   189

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

   190

			CloseHandle(proc);

   191

			if (res) {

   192

				count =

   193

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

   194

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

   195

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

   196

				return output;

   197

			}

   198

		}

   199

	}

   200

	output = PrintModuleInfo(output, NULL);

   201

	return output;

   202

}

   203

   204

static const char _crash_desc[] =

   205

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

   206

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

   207

	"This will greatly help debugging. "

   208

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

   209

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

   210

   211

static const char _save_succeeded[] =

   212

	"Emergency save succeeded.\n"

   213

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

   214

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

   215

   216

static bool EmergencySave(void)

   217

{

   218

	SaveOrLoad("crash.sav", SL_SAVE);

   219

	return true;

   220

}

   221

   222

typedef struct {

   223

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

   224

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

   225

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

   226

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

   227

	BOOL (WINAPI *InternetCloseHandle)(HINTERNET);

   228

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

   229

} WinInetProcs;

   230

   231

#define M(x) x "\0"

   232

static const char wininet_files[] =

   233

	M("wininet.dll")

   234

	M("InternetOpenA")

   235

	M("InternetConnectA")

   236

	M("HttpOpenRequestA")

   237

	M("HttpSendRequestA")

   238

	M("InternetCloseHandle")

   239

	M("HttpQueryInfoA")

   240

	M("");

   241

#undef M

   242

   243

static WinInetProcs _wininet;

   244

   245

   246

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

   247

{

   248

	HINTERNET inet, conn, http;

   249

	const char *err = NULL;

   250

	DWORD code, len;

   251

	static char buf[100];

   252

	char buff[100];

   253

   254

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

   255

   256

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

   257

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

   258

   259

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

   260

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

   261

   262

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

   263

   264

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

   265

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

   266

   267

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

   268

   269

	len = sizeof(code);

   270

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

   271

   272

	if (code != 200) {

   273

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

   274

		len = sizeof(buf) - l;

   275

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

   276

		err = buf;

   277

	}

   278

   279

error4:

   280

	_wininet.InternetCloseHandle(http);

   281

error3:

   282

	_wininet.InternetCloseHandle(conn);

   283

error2:

   284

	_wininet.InternetCloseHandle(inet);

   285

error1:

   286

	return err;

   287

}

   288

   289

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

   290

{

   291

	HANDLE h;

   292

	unsigned long size;

   293

	unsigned long read;

   294

	void *mem;

   295

   296

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

   297

	if (h == NULL) return;

   298

   299

	size = GetFileSize(h, NULL);

   300

	if (size > 500000) goto error1;

   301

   302

	mem = malloc(size);

   303

	if (mem == NULL) goto error1;

   304

   305

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

   306

   307

	SubmitCrashReport(wnd, mem, size, file);

   308

   309

error2:

   310

	free(mem);

   311

error1:

   312

	CloseHandle(h);

   313

}

   314

   315

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

   316

   317

static void SetWndSize(HWND wnd, int mode)

   318

{

   319

	RECT r,r2;

   320

	int offs;

   321

   322

	GetWindowRect(wnd, &r);

   323

   324

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

   325

   326

	if (mode >= 0) {

   327

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

   328

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

   329

		if (!mode) offs = -offs;

   330

		SetWindowPos(wnd, HWND_TOPMOST, 0, 0,

   331

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

   332

	} else {

   333

		SetWindowPos(wnd, HWND_TOPMOST,

   334

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

   335

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

   336

			0, 0, SWP_NOSIZE);

   337

	}

   338

}

   339

   340

static bool DoEmergencySave(HWND wnd)

   341

{

   342

	bool b = false;

   343

   344

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

   345

	_did_emerg_save = true;

   346

	__try {

   347

		b = EmergencySave();

   348

	} __except (1) {}

   349

	return b;

   350

}

   351

   352

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

   353

{

   354

	switch(msg) {

   355

	case WM_INITDIALOG:

   356

		SetDlgItemText(wnd, 10, _crash_desc);

   357

		SetDlgItemText(wnd, 11, _crash_msg);

   358

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

   359

		SetWndSize(wnd, -1);

   360

		return TRUE;

   361

	case WM_COMMAND:

   362

		switch(wParam) {

   363

		case 12: // Close

   364

			ExitProcess(0);

   365

		case 13: { // Emergency save

   366

			if (DoEmergencySave(wnd))

   367

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

   368

			else

   369

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

   370

			break;

   371

		}

   372

		case 14: { // Submit crash report

   373

			const char *s;

   374

   375

			SetCursor(LoadCursor(NULL, IDC_WAIT));

   376

   377

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

   378

			if (s) {

   379

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

   380

				break;

   381

			}

   382

   383

			// try to submit emergency savegame

   384

			if (_did_emerg_save || DoEmergencySave(wnd)) {

   385

				SubmitFile(wnd, "crash.sav");

   386

			}

   387

			// try to submit the autosaved game

   388

			if (_opt.autosave) {

   389

				char buf[40];

   390

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

   391

				SubmitFile(wnd, buf);

   392

			}

   393

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

   394

			SetCursor(LoadCursor(NULL, IDC_ARROW));

   395

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

   396

			break;

   397

		}

   398

		case 15: // Expand

   399

			_expanded ^= 1;

   400

			SetWndSize(wnd, _expanded);

   401

			break;

   402

		}

   403

		return TRUE;

   404

	case WM_CLOSE:

   405

		ExitProcess(0);

   406

	}

   407

   408

	return FALSE;

   409

}

   410

   411

static void Handler2(void)

   412

{

   413

	ShowCursor(TRUE);

   414

	ShowWindow(GetActiveWindow(), FALSE);

   415

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

   416

}

   417

   418

extern bool CloseConsoleLogIfActive(void);

   419

   420

static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)

   421

{

   422

	char *output;

   423

	static bool had_exception;

   424

   425

	if (had_exception) ExitProcess(0);

   426

	had_exception = true;

   427

   428

	_ident = GetTickCount(); // something pretty unique

   429

   430

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

   431

	_crash_msg = output = LocalAlloc(LMEM_FIXED, 8192);

   432

   433

	{

   434

		SYSTEMTIME time;

   435

		GetLocalTime(&time);

   436

		output += sprintf(output,

   437

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

   438

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

   439

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

   440

			time.wYear,

   441

			time.wMonth,

   442

			time.wDay,

   443

			time.wHour,

   444

			time.wMinute,

   445

			time.wSecond,

   446

			"???"

   447

		);

   448

	}

   449

   450

	if (_exception_string)

   451

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

   452

   453

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

   454

		"Registers:\r\n"

   455

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

   456

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

   457

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

   458

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

   459

		ep->ExceptionRecord->ExceptionCode,

   460

		ep->ExceptionRecord->ExceptionAddress,

   461

		ep->ContextRecord->Eax,

   462

		ep->ContextRecord->Ebx,

   463

		ep->ContextRecord->Ecx,

   464

		ep->ContextRecord->Edx,

   465

		ep->ContextRecord->Esi,

   466

		ep->ContextRecord->Edi,

   467

		ep->ContextRecord->Ebp,

   468

		ep->ContextRecord->Esp,

   469

		ep->ContextRecord->Eip,

   470

		ep->ContextRecord->EFlags

   471

	);

   472

   473

	{

   474

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

   475

		int i;

   476

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

   477

			if (IsBadReadPtr(b, 1)) {

   478

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

   479

			} else {

   480

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

   481

			}

   482

			b++;

   483

		}

   484

		output += sprintf(output,

   485

			"\r\n"

   486

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

   487

		);

   488

	}

   489

   490

	{

   491

		int i,j;

   492

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

   493

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

   494

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

   495

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

   496

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

   497

				} else {

   498

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

   499

				}

   500

				b++;

   501

			}

   502

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

   503

		}

   504

	}

   505

   506

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

   507

	output = PrintModuleList(output);

   508

   509

	{

   510

		OSVERSIONINFO os;

   511

		os.dwOSVersionInfoSize = sizeof(os);

   512

		GetVersionEx(&os);

   513

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

   514

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