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

#include <ctype.h>

    22

    23

static bool _has_console;

    24

    25

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

    26

	#define __TIMESTAMP__   __DATE__ __TIME__

    27

#endif

    28

    29

    30

static bool cursor_visible = true;

    31

    32

bool MyShowCursor(bool show)

    33

{

    34

	if (cursor_visible == show) return show;

    35

    36

	cursor_visible = show;

    37

	ShowCursor(show);

    38

    39

	return !show;

    40

}

    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

#	ifdef _M_AMD64

    66

void* _get_save_esp(void);

    67

uint64 _rdtsc(void);

    68

#	endif

    69

    70

static const char *_exception_string;

    71

#endif

    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

#ifdef _MSC_VER

    88

    89

static void *_safe_esp;

    90

static char *_crash_msg;

    91

static bool _expanded;

    92

static bool _did_emerg_save;

    93

static int _ident;

    94

    95

typedef struct DebugFileInfo {

    96

	uint32 size;

    97

	uint32 crc32;

    98

	SYSTEMTIME file_time;

    99

} DebugFileInfo;

   100

   101

static uint32 *_crc_table;

   102

   103

static void MakeCRCTable(uint32 *table) {

   104

	uint32 crc, poly = 0xEDB88320L;

   105

	int i;

   106

	int j;

   107

   108

	_crc_table = table;

   109

   110

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

   111

		crc = i;

   112

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

   113

			if (crc & 1)

   114

				crc = (crc >> 1) ^ poly;

   115

			else

   116

				crc >>= 1;

   117

		}

   118

		table[i] = crc;

   119

	}

   120

}

   121

   122

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

   123

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

   124

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

   125

	}

   126

	return crc;

   127

}

   128

   129

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

   130

{

   131

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

   132

   133

	{

   134

		HANDLE file;

   135

		byte buffer[1024];

   136

		DWORD numread;

   137

		uint32 filesize = 0;

   138

		FILETIME write_time;

   139

		uint32 crc = (uint32)-1;

   140

   141

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

   142

			OPEN_EXISTING, 0, 0);

   143

		if (file != INVALID_HANDLE_VALUE) {

   144

			while(true) {

   145

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

   146

						numread == 0)

   147

					break;

   148

				filesize += numread;

   149

				crc = CalcCRC(buffer, numread, crc);

   150

			}

   151

			dfi->size = filesize;

   152

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

   153

   154

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

   155

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

   156

			}

   157

			CloseHandle(file);

   158

		}

   159

	}

   160

}

   161

   162

   163

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

   164

{

   165

	char buffer[MAX_PATH];

   166

	DebugFileInfo dfi;

   167

   168

	GetModuleFileName(mod, buffer, MAX_PATH);

   169

	GetFileInfo(&dfi, buffer);

   170

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

   171

		buffer,

   172

		mod,

   173

		dfi.size,

   174

		dfi.crc32,

   175

		dfi.file_time.wYear,

   176

		dfi.file_time.wMonth,

   177

		dfi.file_time.wDay,

   178

		dfi.file_time.wHour,

   179

		dfi.file_time.wMinute,

   180

		dfi.file_time.wSecond

   181

	);

   182

	return output;

   183

}

   184

   185

static char *PrintModuleList(char *output)

   186

{

   187

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

   188

	HANDLE proc;

   189

	HMODULE modules[100];

   190

	DWORD needed;

   191

	BOOL res;

   192

	int count,i;

   193

   194

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

   195

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

   196

		if (proc) {

   197

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

   198

			CloseHandle(proc);

   199

			if (res) {

   200

				count =

   201

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

   202

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

   203

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

   204

				return output;

   205

			}

   206

		}

   207

	}

   208

	output = PrintModuleInfo(output, NULL);

   209

	return output;

   210

}

   211

   212

static const char _crash_desc[] =

   213

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

   214

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

   215

	"This will greatly help debugging. "

   216

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

   217

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

   218

   219

static const char _save_succeeded[] =

   220

	"Emergency save succeeded.\n"

   221

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

   222

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

   223

   224

static bool EmergencySave(void)

   225

{

   226

	SaveOrLoad("crash.sav", SL_SAVE);

   227

	return true;

   228

}

   229

   230

typedef struct {

   231

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

   232

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

   233

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

   234

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

   235

	BOOL (WINAPI *InternetCloseHandle)(HINTERNET);

   236

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

   237

} WinInetProcs;

   238

   239

#define M(x) x "\0"

   240

static const char wininet_files[] =

   241

	M("wininet.dll")

   242

	M("InternetOpenA")

   243

	M("InternetConnectA")

   244

	M("HttpOpenRequestA")

   245

	M("HttpSendRequestA")

   246

	M("InternetCloseHandle")

   247

	M("HttpQueryInfoA")

   248

	M("");

   249

#undef M

   250

   251

static WinInetProcs _wininet;

   252

   253

   254

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

   255

{

   256

	HINTERNET inet, conn, http;

   257

	const char *err = NULL;

   258

	DWORD code, len;

   259

	static char buf[100];

   260

	char buff[100];

   261

   262

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

   263

   264

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

   265

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

   266

   267

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

   268

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

   269

   270

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

   271

   272

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

   273

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

   274

   275

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

   276

   277

	len = sizeof(code);

   278

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

   279

   280

	if (code != 200) {

   281

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

   282

		len = sizeof(buf) - l;

   283

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

   284

		err = buf;

   285

	}

   286

   287

error4:

   288

	_wininet.InternetCloseHandle(http);

   289

error3:

   290

	_wininet.InternetCloseHandle(conn);

   291

error2:

   292

	_wininet.InternetCloseHandle(inet);

   293

error1:

   294

	return err;

   295

}

   296

   297

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

   298

{

   299

	HANDLE h;

   300

	unsigned long size;

   301

	unsigned long read;

   302

	void *mem;

   303

   304

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

   305

	if (h == NULL) return;

   306

   307

	size = GetFileSize(h, NULL);

   308

	if (size > 500000) goto error1;

   309

   310

	mem = malloc(size);

   311

	if (mem == NULL) goto error1;

   312

   313

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

   314

   315

	SubmitCrashReport(wnd, mem, size, file);

   316

   317

error2:

   318

	free(mem);

   319

error1:

   320

	CloseHandle(h);

   321

}

   322

   323

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

   324

   325

static void SetWndSize(HWND wnd, int mode)

   326

{

   327

	RECT r,r2;

   328

	int offs;

   329

   330

	GetWindowRect(wnd, &r);

   331

   332

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

   333

   334

	if (mode >= 0) {

   335

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

   336

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

   337

		if (!mode) offs = -offs;

   338

		SetWindowPos(wnd, HWND_TOPMOST, 0, 0,

   339

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

   340

	} else {

   341

		SetWindowPos(wnd, HWND_TOPMOST,

   342

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

   343

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

   344

			0, 0, SWP_NOSIZE);

   345

	}

   346

}

   347

   348

static bool DoEmergencySave(HWND wnd)

   349

{

   350

	bool b = false;

   351

   352

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

   353

	_did_emerg_save = true;

   354

	__try {

   355

		b = EmergencySave();

   356

	} __except (1) {}

   357

	return b;

   358

}

   359

   360

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

   361

{

   362

	switch(msg) {

   363

	case WM_INITDIALOG:

   364

		SetDlgItemText(wnd, 10, _crash_desc);

   365

		SetDlgItemText(wnd, 11, _crash_msg);

   366

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

   367

		SetWndSize(wnd, -1);

   368

		return TRUE;

   369

	case WM_COMMAND:

   370

		switch(wParam) {

   371

		case 12: // Close

   372

			ExitProcess(0);

   373

		case 13: { // Emergency save

   374

			if (DoEmergencySave(wnd))

   375

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

   376

			else

   377

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

   378

			break;

   379

		}

   380

		case 14: { // Submit crash report

   381

			const char *s;

   382

   383

			SetCursor(LoadCursor(NULL, IDC_WAIT));

   384

   385

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

   386

			if (s) {

   387

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

   388

				break;

   389

			}

   390

   391

			// try to submit emergency savegame

   392

			if (_did_emerg_save || DoEmergencySave(wnd)) {

   393

				SubmitFile(wnd, "crash.sav");

   394

			}

   395

			// try to submit the autosaved game

   396

			if (_opt.autosave) {

   397

				char buf[40];

   398

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

   399

				SubmitFile(wnd, buf);

   400

			}

   401

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

   402

			SetCursor(LoadCursor(NULL, IDC_ARROW));

   403

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

   404

			break;

   405

		}

   406

		case 15: // Expand

   407

			_expanded ^= 1;

   408

			SetWndSize(wnd, _expanded);

   409

			break;

   410

		}

   411

		return TRUE;

   412

	case WM_CLOSE:

   413

		ExitProcess(0);

   414

	}

   415

   416

	return FALSE;

   417

}

   418

   419

static void Handler2(void)

   420

{

   421

	ShowCursor(TRUE);

   422

	ShowWindow(GetActiveWindow(), FALSE);

   423

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

   424

}

   425

   426

extern bool CloseConsoleLogIfActive(void);

   427

   428

static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)

   429

{

   430

	extern const char _openttd_revision[];

   431

	char *output;

   432

	static bool had_exception;

   433

   434

	if (had_exception) ExitProcess(0);

   435

	had_exception = true;

   436

   437

	_ident = GetTickCount(); // something pretty unique

   438

   439

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

   440

	_crash_msg = output = LocalAlloc(LMEM_FIXED, 8192);

   441

   442

	{

   443

		SYSTEMTIME time;

   444

		GetLocalTime(&time);

   445

		output += sprintf(output,

   446

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

   447

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

   448

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

   449

			time.wYear,

   450

			time.wMonth,

   451

			time.wDay,

   452

			time.wHour,

   453

			time.wMinute,

   454

			time.wSecond,

   455

			_openttd_revision

   456

		);

   457

	}

   458

   459

	if (_exception_string)

   460

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

   461

   462

#ifdef _M_AMD64

   463

	output += sprintf(output, "Exception %.8X at %.16IX\r\n"

   464

		"Registers:\r\n"

   465

		"RAX: %.16llX RBX: %.16llX RCX: %.16llX RDX: %.16llX\r\n"

   466

		"RSI: %.16llX RDI: %.16llX RBP: %.16llX RSP: %.16llX\r\n"

   467

		"R8:  %.16llX R9:  %.16llX R10: %.16llX R11: %.16llX\r\n"

   468

		"R12: %.16llX R13: %.16llX R14: %.16llX R15: %.16llX\r\n"

   469

		"RIP: %.16llX EFLAGS: %.8X\r\n"

   470

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

   471

		ep->ExceptionRecord->ExceptionCode,

   472

		ep->ExceptionRecord->ExceptionAddress,

   473

		ep->ContextRecord->Rax,

   474

		ep->ContextRecord->Rbx,

   475

		ep->ContextRecord->Rcx,

   476

		ep->ContextRecord->Rdx,

   477

		ep->ContextRecord->Rsi,

   478

		ep->ContextRecord->Rdi,

   479

		ep->ContextRecord->Rbp,

   480

		ep->ContextRecord->Rsp,

   481

		ep->ContextRecord->R8,

   482

		ep->ContextRecord->R9,

   483

		ep->ContextRecord->R10,

   484

		ep->ContextRecord->R11,

   485

		ep->ContextRecord->R12,

   486

		ep->ContextRecord->R13,

   487

		ep->ContextRecord->R14,

   488

		ep->ContextRecord->R15,

   489

		ep->ContextRecord->Rip,

   490

		ep->ContextRecord->EFlags

   491

	);

   492

#else

   493

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

   494

		"Registers:\r\n"

   495

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

   496

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

   497

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

   498

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

   499

		ep->ExceptionRecord->ExceptionCode,

   500

		ep->ExceptionRecord->ExceptionAddress,

   501

		ep->ContextRecord->Eax,

   502

		ep->ContextRecord->Ebx,

   503

		ep->ContextRecord->Ecx,

   504

		ep->ContextRecord->Edx,

   505

		ep->ContextRecord->Esi,

   506

		ep->ContextRecord->Edi,

   507

		ep->ContextRecord->Ebp,

   508

		ep->ContextRecord->Esp,

   509

		ep->ContextRecord->Eip,

   510

		ep->ContextRecord->EFlags

   511

	);