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

    54

// Helper function needed by dynamically loading SDL

    55

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

    56

{

    57

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

    58

		HMODULE lib = LoadLibrary(dll);

    59

    60

		if (lib == NULL) return false;

    61

		while (true) {

    62

		  	FARPROC p;

    63

    64

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

    65

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

    66

			p = GetProcAddress(lib, dll);

    67

			if (p == NULL) return false;

    68

			*proc++ = (Function)p;

    69

		}

    70

		dll++;

    71

	}

    72

	return true;

    73

}

    74

    75

#ifdef _MSC_VER

    76

    77

static const char *_exception_string;

    78

static void *_safe_esp;

    79

static char *_crash_msg;

    80

static bool _expanded;

    81

static bool _did_emerg_save;

    82

static int _ident;

    83

    84

void ShowOSErrorBox(const char *buf)

    85

{

    86

	MyShowCursor(true);

    87

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

    88

    89

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

    90

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

    91

	if (*buf == '!') {

    92

		_exception_string = buf;

    93

		*(byte*)0 = 0;

    94

	}

    95

#endif

    96

}

    97

    98

typedef struct DebugFileInfo {

    99

	uint32 size;

   100

	uint32 crc32;

   101

	SYSTEMTIME file_time;

   102

} DebugFileInfo;

   103

   104

static uint32 *_crc_table;

   105

   106

static void MakeCRCTable(uint32 *table) {

   107

	uint32 crc, poly = 0xEDB88320L;

   108

	int i;

   109

	int j;

   110

   111

	_crc_table = table;

   112

   113

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

   114

		crc = i;

   115

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

   116

			if (crc & 1)

   117

				crc = (crc >> 1) ^ poly;

   118

			else

   119

				crc >>= 1;

   120

		}

   121

		table[i] = crc;

   122

	}

   123

}

   124

   125

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

   126

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

   127

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

   128

	}

   129

	return crc;

   130

}

   131

   132

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

   133

{

   134

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

   135

   136

	{

   137

		HANDLE file;

   138

		byte buffer[1024];

   139

		DWORD numread;

   140

		uint32 filesize = 0;

   141

		FILETIME write_time;

   142

		uint32 crc = (uint32)-1;

   143

   144

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

   145

			OPEN_EXISTING, 0, 0);

   146

		if (file != INVALID_HANDLE_VALUE) {

   147

			while(true) {

   148

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

   149

						numread == 0)

   150

					break;

   151

				filesize += numread;

   152

				crc = CalcCRC(buffer, numread, crc);

   153

			}

   154

			dfi->size = filesize;

   155

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

   156

   157

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

   158

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

   159

			}

   160

			CloseHandle(file);

   161

		}

   162

	}

   163

}

   164

   165

   166

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

   167

{

   168

	char buffer[MAX_PATH];

   169

	DebugFileInfo dfi;

   170

   171

	GetModuleFileName(mod, buffer, MAX_PATH);

   172

	GetFileInfo(&dfi, buffer);

   173

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

   174

		buffer,

   175

		mod,

   176

		dfi.size,

   177

		dfi.crc32,

   178

		dfi.file_time.wYear,

   179

		dfi.file_time.wMonth,

   180

		dfi.file_time.wDay,

   181

		dfi.file_time.wHour,

   182

		dfi.file_time.wMinute,

   183

		dfi.file_time.wSecond

   184

	);

   185

	return output;

   186

}

   187

   188

static char *PrintModuleList(char *output)

   189

{

   190

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

   191

	HANDLE proc;

   192

	HMODULE modules[100];

   193

	DWORD needed;

   194

	BOOL res;

   195

	int count,i;

   196

   197

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

   198

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

   199

		if (proc) {

   200

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

   201

			CloseHandle(proc);

   202

			if (res) {

   203

				count =

   204

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

   205

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

   206

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

   207

				return output;

   208

			}

   209

		}

   210

	}

   211

	output = PrintModuleInfo(output, NULL);

   212

	return output;

   213

}

   214

   215

static const char _crash_desc[] =

   216

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

   217

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

   218

	"This will greatly help debugging. "

   219

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

   220

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

   221

   222

static const char _save_succeeded[] =

   223

	"Emergency save succeeded.\n"

   224

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

   225

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

   226

   227

static bool EmergencySave(void)

   228

{

   229

	SaveOrLoad("crash.sav", SL_SAVE);

   230

	return true;

   231

}

   232

   233

typedef struct {

   234

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

   235

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

   236

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

   237

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

   238

	BOOL (WINAPI *InternetCloseHandle)(HINTERNET);

   239

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

   240

} WinInetProcs;

   241

   242

#define M(x) x "\0"

   243

static const char wininet_files[] =

   244

	M("wininet.dll")

   245

	M("InternetOpenA")

   246

	M("InternetConnectA")

   247

	M("HttpOpenRequestA")

   248

	M("HttpSendRequestA")

   249

	M("InternetCloseHandle")

   250

	M("HttpQueryInfoA")

   251

	M("");

   252

#undef M

   253

   254

static WinInetProcs _wininet;

   255

   256

   257

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

   258

{

   259

	HINTERNET inet, conn, http;

   260

	const char *err = NULL;

   261

	DWORD code, len;

   262

	static char buf[100];

   263

	char buff[100];

   264

   265

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

   266

   267

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

   268

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

   269

   270

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

   271

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

   272

   273

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

   274

   275

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

   276

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

   277

   278

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

   279

   280

	len = sizeof(code);

   281

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

   282

   283

	if (code != 200) {

   284

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

   285

		len = sizeof(buf) - l;

   286

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

   287

		err = buf;

   288

	}

   289

   290

error4:

   291

	_wininet.InternetCloseHandle(http);

   292

error3:

   293

	_wininet.InternetCloseHandle(conn);

   294

error2:

   295

	_wininet.InternetCloseHandle(inet);

   296

error1:

   297

	return err;

   298

}

   299

   300

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

   301

{

   302

	HANDLE h;

   303

	unsigned long size;

   304

	unsigned long read;

   305

	void *mem;

   306

   307

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

   308

	if (h == NULL) return;

   309

   310

	size = GetFileSize(h, NULL);

   311

	if (size > 500000) goto error1;

   312

   313

	mem = malloc(size);

   314

	if (mem == NULL) goto error1;

   315

   316

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

   317

   318

	SubmitCrashReport(wnd, mem, size, file);

   319

   320

error2:

   321

	free(mem);

   322

error1:

   323

	CloseHandle(h);

   324

}

   325

   326

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

   327

   328

static void SetWndSize(HWND wnd, int mode)

   329

{

   330

	RECT r,r2;

   331

	int offs;

   332

   333

	GetWindowRect(wnd, &r);

   334

   335

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

   336

   337

	if (mode >= 0) {

   338

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

   339

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

   340

		if (!mode) offs = -offs;

   341

		SetWindowPos(wnd, HWND_TOPMOST, 0, 0,

   342

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

   343

	} else {

   344

		SetWindowPos(wnd, HWND_TOPMOST,

   345

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

   346

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

   347

			0, 0, SWP_NOSIZE);

   348

	}

   349

}

   350

   351

static bool DoEmergencySave(HWND wnd)

   352

{

   353

	bool b = false;

   354

   355

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

   356

	_did_emerg_save = true;

   357

	__try {

   358

		b = EmergencySave();

   359

	} __except (1) {}

   360

	return b;

   361

}

   362

   363

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

   364

{

   365

	switch(msg) {

   366

	case WM_INITDIALOG:

   367

		SetDlgItemText(wnd, 10, _crash_desc);

   368

		SetDlgItemText(wnd, 11, _crash_msg);

   369

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

   370

		SetWndSize(wnd, -1);

   371

		return TRUE;

   372

	case WM_COMMAND:

   373

		switch(wParam) {

   374

		case 12: // Close

   375

			ExitProcess(0);

   376

		case 13: { // Emergency save

   377

			if (DoEmergencySave(wnd))

   378

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

   379

			else

   380

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

   381

			break;

   382

		}

   383

		case 14: { // Submit crash report

   384

			const char *s;

   385

   386

			SetCursor(LoadCursor(NULL, IDC_WAIT));

   387

   388

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

   389

			if (s) {

   390

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

   391

				break;

   392

			}

   393

   394

			// try to submit emergency savegame

   395

			if (_did_emerg_save || DoEmergencySave(wnd)) {

   396

				SubmitFile(wnd, "crash.sav");

   397

			}

   398

			// try to submit the autosaved game

   399

			if (_opt.autosave) {

   400

				char buf[40];

   401

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

   402

				SubmitFile(wnd, buf);

   403

			}

   404

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

   405

			SetCursor(LoadCursor(NULL, IDC_ARROW));

   406

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

   407

			break;

   408

		}

   409

		case 15: // Expand

   410

			_expanded ^= 1;

   411

			SetWndSize(wnd, _expanded);

   412

			break;

   413

		}

   414

		return TRUE;

   415

	case WM_CLOSE:

   416

		ExitProcess(0);

   417

	}

   418

   419

	return FALSE;

   420

}

   421

   422

static void Handler2(void)

   423

{

   424

	ShowCursor(TRUE);

   425

	ShowWindow(GetActiveWindow(), FALSE);

   426

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

   427

}

   428

   429

extern bool CloseConsoleLogIfActive(void);

   430

   431

static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)

   432

{

   433

	char *output;

   434

	static bool had_exception;

   435

   436

	if (had_exception) ExitProcess(0);

   437

	had_exception = true;

   438

   439

	_ident = GetTickCount(); // something pretty unique

   440

   441

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

   442

	_crash_msg = output = LocalAlloc(LMEM_FIXED, 8192);

   443

   444

	{

   445

		SYSTEMTIME time;

   446

		GetLocalTime(&time);

   447

		output += sprintf(output,

   448

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

   449

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

   450

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

   451

			time.wYear,

   452

			time.wMonth,

   453

			time.wDay,

   454

			time.wHour,

   455

			time.wMinute,

   456

			time.wSecond,

   457

			"???"

   458

		);

   459

	}

   460

   461

	if (_exception_string)

   462

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

   463

   464

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

   465

		"Registers:\r\n"

   466

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

   467

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

   468

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

   469

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

   470

		ep->ExceptionRecord->ExceptionCode,

   471

		ep->ExceptionRecord->ExceptionAddress,

   472

		ep->ContextRecord->Eax,

   473

		ep->ContextRecord->Ebx,

   474

		ep->ContextRecord->Ecx,

   475

		ep->ContextRecord->Edx,

   476

		ep->ContextRecord->Esi,

   477

		ep->ContextRecord->Edi,

   478

		ep->ContextRecord->Ebp,

   479

		ep->ContextRecord->Esp,

   480

		ep->ContextRecord->Eip,

   481

		ep->ContextRecord->EFlags

   482

	);

   483

   484

	{

   485

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

   486

		int i;

   487

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

   488

			if (IsBadReadPtr(b, 1)) {

   489

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

   490

			} else {

   491

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

   492

			}

   493

			b++;

   494

		}

   495

		output += sprintf(output,

   496

			"\r\n"

   497

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

   498

		);

   499

	}

   500

   501

	{

   502

		int i,j;

   503

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

   504

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

   505

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

   506

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

   507

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

   508

				} else {

   509

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

   510

				}

   511

				b++;

   512

			}

   513

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

   514

		}