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

#	ifdef _M_AMD64

    65

void* _get_save_esp(void);

    66

uint64 _rdtsc(void);

    67

#	endif

    68

    69

static const char *_exception_string;

    70

#endif

    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

#ifdef _MSC_VER

    87

    88

static void *_safe_esp;

    89

static char *_crash_msg;

    90

static bool _expanded;

    91

static bool _did_emerg_save;

    92

static int _ident;

    93

    94

typedef struct DebugFileInfo {

    95

	uint32 size;

    96

	uint32 crc32;

    97

	SYSTEMTIME file_time;

    98

} DebugFileInfo;

    99

   100

static uint32 *_crc_table;

   101

   102

static void MakeCRCTable(uint32 *table) {

   103

	uint32 crc, poly = 0xEDB88320L;

   104

	int i;

   105

	int j;

   106

   107

	_crc_table = table;

   108

   109

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

   110

		crc = i;

   111

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

   112

			if (crc & 1)

   113

				crc = (crc >> 1) ^ poly;

   114

			else

   115

				crc >>= 1;

   116

		}

   117

		table[i] = crc;

   118

	}

   119

}

   120

   121

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

   122

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

   123

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

   124

	}

   125

	return crc;

   126

}

   127

   128

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

   129

{

   130

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

   131

   132

	{

   133

		HANDLE file;

   134

		byte buffer[1024];

   135

		DWORD numread;

   136

		uint32 filesize = 0;

   137

		FILETIME write_time;

   138

		uint32 crc = (uint32)-1;

   139

   140

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

   141

			OPEN_EXISTING, 0, 0);

   142

		if (file != INVALID_HANDLE_VALUE) {

   143

			while(true) {

   144

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

   145

						numread == 0)

   146

					break;

   147

				filesize += numread;

   148

				crc = CalcCRC(buffer, numread, crc);

   149

			}

   150

			dfi->size = filesize;

   151

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

   152

   153

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

   154

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

   155

			}

   156

			CloseHandle(file);

   157

		}

   158

	}

   159

}

   160

   161

   162

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

   163

{

   164

	char buffer[MAX_PATH];

   165

	DebugFileInfo dfi;

   166

   167

	GetModuleFileName(mod, buffer, MAX_PATH);

   168

	GetFileInfo(&dfi, buffer);

   169

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

   170

		buffer,

   171

		mod,

   172

		dfi.size,

   173

		dfi.crc32,

   174

		dfi.file_time.wYear,

   175

		dfi.file_time.wMonth,

   176

		dfi.file_time.wDay,

   177

		dfi.file_time.wHour,

   178

		dfi.file_time.wMinute,

   179

		dfi.file_time.wSecond

   180

	);

   181

	return output;

   182

}

   183

   184

static char *PrintModuleList(char *output)

   185

{

   186

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

   187

	HANDLE proc;

   188

	HMODULE modules[100];

   189

	DWORD needed;

   190

	BOOL res;

   191

	int count,i;

   192

   193

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

   194

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

   195

		if (proc) {

   196

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

   197

			CloseHandle(proc);

   198

			if (res) {

   199

				count =

   200

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

   201

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

   202

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

   203

				return output;

   204

			}

   205

		}

   206

	}

   207

	output = PrintModuleInfo(output, NULL);

   208

	return output;

   209

}

   210

   211

static const char _crash_desc[] =

   212

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

   213

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

   214

	"This will greatly help debugging. "

   215

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

   216

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

   217

   218

static const char _save_succeeded[] =

   219

	"Emergency save succeeded.\n"

   220

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

   221

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

   222

   223

static bool EmergencySave(void)

   224

{

   225

	SaveOrLoad("crash.sav", SL_SAVE);

   226

	return true;

   227

}

   228

   229

typedef struct {

   230

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

   231

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

   232

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

   233

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

   234

	BOOL (WINAPI *InternetCloseHandle)(HINTERNET);

   235

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

   236

} WinInetProcs;

   237

   238

#define M(x) x "\0"

   239

static const char wininet_files[] =

   240

	M("wininet.dll")

   241

	M("InternetOpenA")

   242

	M("InternetConnectA")

   243

	M("HttpOpenRequestA")

   244

	M("HttpSendRequestA")

   245

	M("InternetCloseHandle")

   246

	M("HttpQueryInfoA")

   247

	M("");

   248

#undef M

   249

   250

static WinInetProcs _wininet;

   251

   252

   253

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

   254

{

   255

	HINTERNET inet, conn, http;

   256

	const char *err = NULL;

   257

	DWORD code, len;

   258

	static char buf[100];

   259

	char buff[100];

   260

   261

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

   262

   263

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

   264

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

   265

   266

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

   267

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

   268

   269

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

   270

   271

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

   272

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

   273

   274

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

   275

   276

	len = sizeof(code);

   277

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

   278

   279

	if (code != 200) {

   280

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

   281

		len = sizeof(buf) - l;

   282

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

   283

		err = buf;

   284

	}

   285

   286

error4:

   287

	_wininet.InternetCloseHandle(http);

   288

error3:

   289

	_wininet.InternetCloseHandle(conn);

   290

error2:

   291

	_wininet.InternetCloseHandle(inet);

   292

error1:

   293

	return err;

   294

}

   295

   296

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

   297

{

   298

	HANDLE h;

   299

	unsigned long size;

   300

	unsigned long read;

   301

	void *mem;

   302

   303

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

   304

	if (h == NULL) return;

   305

   306

	size = GetFileSize(h, NULL);

   307

	if (size > 500000) goto error1;

   308

   309

	mem = malloc(size);

   310

	if (mem == NULL) goto error1;

   311

   312

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

   313

   314

	SubmitCrashReport(wnd, mem, size, file);

   315

   316

error2:

   317

	free(mem);

   318

error1:

   319

	CloseHandle(h);

   320

}

   321

   322

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

   323

   324

static void SetWndSize(HWND wnd, int mode)

   325

{

   326

	RECT r,r2;

   327

	int offs;

   328

   329

	GetWindowRect(wnd, &r);

   330

   331

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

   332

   333

	if (mode >= 0) {

   334

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

   335

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

   336

		if (!mode) offs = -offs;

   337

		SetWindowPos(wnd, HWND_TOPMOST, 0, 0,

   338

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

   339

	} else {

   340

		SetWindowPos(wnd, HWND_TOPMOST,

   341

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

   342

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

   343

			0, 0, SWP_NOSIZE);

   344

	}

   345

}

   346

   347

static bool DoEmergencySave(HWND wnd)

   348

{

   349

	bool b = false;

   350

   351

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

   352

	_did_emerg_save = true;

   353

	__try {

   354

		b = EmergencySave();

   355

	} __except (1) {}

   356

	return b;

   357

}

   358

   359

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

   360

{

   361

	switch(msg) {

   362

	case WM_INITDIALOG:

   363

		SetDlgItemText(wnd, 10, _crash_desc);

   364

		SetDlgItemText(wnd, 11, _crash_msg);

   365

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

   366

		SetWndSize(wnd, -1);

   367

		return TRUE;

   368

	case WM_COMMAND:

   369

		switch(wParam) {

   370

		case 12: // Close

   371

			ExitProcess(0);

   372

		case 13: { // Emergency save

   373

			if (DoEmergencySave(wnd))

   374

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

   375

			else

   376

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

   377

			break;

   378

		}

   379

		case 14: { // Submit crash report

   380

			const char *s;

   381

   382

			SetCursor(LoadCursor(NULL, IDC_WAIT));

   383

   384

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

   385

			if (s) {

   386

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

   387

				break;

   388

			}

   389

   390

			// try to submit emergency savegame

   391

			if (_did_emerg_save || DoEmergencySave(wnd)) {

   392

				SubmitFile(wnd, "crash.sav");

   393

			}

   394

			// try to submit the autosaved game

   395

			if (_opt.autosave) {

   396

				char buf[40];

   397

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

   398

				SubmitFile(wnd, buf);

   399

			}

   400

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

   401

			SetCursor(LoadCursor(NULL, IDC_ARROW));

   402

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

   403

			break;

   404

		}

   405

		case 15: // Expand

   406

			_expanded ^= 1;

   407

			SetWndSize(wnd, _expanded);

   408

			break;

   409

		}

   410

		return TRUE;

   411

	case WM_CLOSE:

   412

		ExitProcess(0);

   413

	}

   414

   415

	return FALSE;

   416

}

   417

   418

static void Handler2(void)

   419

{

   420

	ShowCursor(TRUE);

   421

	ShowWindow(GetActiveWindow(), FALSE);

   422

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

   423

}

   424

   425

extern bool CloseConsoleLogIfActive(void);

   426

   427

static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)

   428

{

   429

	char *output;

   430

	static bool had_exception;

   431

   432

	if (had_exception) ExitProcess(0);

   433

	had_exception = true;

   434

   435

	_ident = GetTickCount(); // something pretty unique

   436

   437

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

   438

	_crash_msg = output = LocalAlloc(LMEM_FIXED, 8192);

   439

   440

	{

   441

		SYSTEMTIME time;

   442

		GetLocalTime(&time);

   443

		output += sprintf(output,

   444

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

   445

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

   446

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

   447

			time.wYear,

   448

			time.wMonth,

   449

			time.wDay,

   450

			time.wHour,

   451

			time.wMinute,

   452

			time.wSecond,

   453

			"???"

   454

		);

   455

	}

   456

   457

	if (_exception_string)

   458

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

   459

   460

#ifdef _M_AMD64

   461

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

   462

		"Registers:\r\n"

   463

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

   464

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

   465

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

   466

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

   467

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

   468

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

   469

		ep->ExceptionRecord->ExceptionCode,

   470

		ep->ExceptionRecord->ExceptionAddress,

   471

		ep->ContextRecord->Rax,

   472

		ep->ContextRecord->Rbx,

   473

		ep->ContextRecord->Rcx,

   474

		ep->ContextRecord->Rdx,

   475

		ep->ContextRecord->Rsi,

   476

		ep->ContextRecord->Rdi,

   477

		ep->ContextRecord->Rbp,

   478

		ep->ContextRecord->Rsp,

   479

		ep->ContextRecord->R8,

   480

		ep->ContextRecord->R9,

   481

		ep->ContextRecord->R10,

   482

		ep->ContextRecord->R11,

   483

		ep->ContextRecord->R12,

   484

		ep->ContextRecord->R13,

   485

		ep->ContextRecord->R14,

   486

		ep->ContextRecord->R15,

   487

		ep->ContextRecord->Rip,

   488

		ep->ContextRecord->EFlags

   489

	);

   490

#else

   491

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

   492

		"Registers:\r\n"

   493

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

   494

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

   495

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

   496

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

   497

		ep->ExceptionRecord->ExceptionCode,

   498

		ep->ExceptionRecord->ExceptionAddress,

   499

		ep->ContextRecord->Eax,

   500

		ep->ContextRecord->Ebx,

   501

		ep->ContextRecord->Ecx,

   502

		ep->ContextRecord->Edx,

   503

		ep->ContextRecord->Esi,

   504

		ep->ContextRecord->Edi,

   505

		ep->ContextRecord->Ebp,

   506

		ep->ContextRecord->Esp,

   507

		ep->ContextRecord->Eip,

   508

		ep->ContextRecord->EFlags

   509

	);

   510

#endif

   511