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"

    22

    23

static bool _has_console;

    24

    25

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

    26

	#define __TIMESTAMP__   __DATE__ __TIME__

    27

#endif

    28

    29

#if defined(__MINGW32__)

    30

	#include <stdint.h>

    31

#endif

    32

    33

static bool cursor_visible = true;

    34

    35

bool MyShowCursor(bool show)

    36

{

    37

	if (cursor_visible == show) return show;

    38

    39

	cursor_visible = show;

    40

	ShowCursor(show);

    41

    42

	return !show;

    43

}

    44

    45

    46

// Helper function needed by dynamically loading SDL

    47

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

    48

{

    49

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

    50

		HMODULE lib = LoadLibrary(dll);

    51

    52

		if (lib == NULL) return false;

    53

		for (;;) {

    54

			FARPROC p;

    55

    56

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

    57

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

    58

			p = GetProcAddress(lib, dll);

    59

			if (p == NULL) return false;

    60

			*proc++ = (Function)p;

    61

		}

    62

		dll++;

    63

	}

    64

	return true;

    65

}

    66

    67

#ifdef _MSC_VER

    68

static const char *_exception_string;

    69

#endif

    70

    71

void ShowOSErrorBox(const char *buf)

    72

{

    73

	MyShowCursor(true);

    74

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

    75

    76

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

    77

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

    78

	if (*buf == '!') {

    79

		_exception_string = buf;

    80

		*(byte*)0 = 0;

    81

	}

    82

#endif

    83

}

    84

    85

#ifdef _MSC_VER

    86

    87

static void *_safe_esp;

    88

static char *_crash_msg;

    89

static bool _expanded;

    90

static bool _did_emerg_save;

    91

static int _ident;

    92

    93

typedef struct DebugFileInfo {

    94

	uint32 size;

    95

	uint32 crc32;

    96

	SYSTEMTIME file_time;

    97

} DebugFileInfo;

    98

    99

static uint32 *_crc_table;

   100

   101

static void MakeCRCTable(uint32 *table) {

   102

	uint32 crc, poly = 0xEDB88320L;

   103

	int i;

   104

	int j;

   105

   106

	_crc_table = table;

   107

   108

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

   109

		crc = i;

   110

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

   111

			crc = (crc & 1 ? (crc >> 1) ^ poly : crc >> 1);

   112

		}

   113

		table[i] = crc;

   114

	}

   115

}

   116

   117

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

   118

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

   119

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

   120

	}

   121

	return crc;

   122

}

   123

   124

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

   125

{

   126

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

   127

   128

	{

   129

		HANDLE file;

   130

		byte buffer[1024];

   131

		DWORD numread;

   132

		uint32 filesize = 0;

   133

		FILETIME write_time;

   134

		uint32 crc = (uint32)-1;

   135

   136

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

   137

			OPEN_EXISTING, 0, 0);

   138

		if (file != INVALID_HANDLE_VALUE) {

   139

			for (;;) {

   140

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

   141

						numread == 0)

   142

					break;

   143

				filesize += numread;

   144

				crc = CalcCRC(buffer, numread, crc);

   145

			}

   146

			dfi->size = filesize;

   147

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

   148

   149

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

   150

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

   151

			}

   152

			CloseHandle(file);

   153

		}

   154

	}

   155

}

   156

   157

   158

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

   159

{

   160

	char buffer[MAX_PATH];

   161

	DebugFileInfo dfi;

   162

   163

	GetModuleFileName(mod, buffer, MAX_PATH);

   164

	GetFileInfo(&dfi, buffer);

   165

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

   166

		buffer,

   167

		mod,

   168

		dfi.size,

   169

		dfi.crc32,

   170

		dfi.file_time.wYear,

   171

		dfi.file_time.wMonth,

   172

		dfi.file_time.wDay,

   173

		dfi.file_time.wHour,

   174

		dfi.file_time.wMinute,

   175

		dfi.file_time.wSecond

   176

	);

   177

	return output;

   178

}

   179

   180

static char *PrintModuleList(char *output)

   181

{

   182

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

   183

	HANDLE proc;

   184

	HMODULE modules[100];

   185

	DWORD needed;

   186

	BOOL res;

   187

	int count,i;

   188

   189

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

   190

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

   191

		if (proc) {

   192

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

   193

			CloseHandle(proc);

   194

			if (res) {

   195

				count =

   196

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

   197

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

   198

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

   199

				return output;

   200

			}

   201

		}

   202

	}

   203

	output = PrintModuleInfo(output, NULL);

   204

	return output;

   205

}

   206

   207

static const char _crash_desc[] =

   208

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

   209

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

   210

	"This will greatly help debugging. "

   211

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

   212

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

   213

   214

static const char _save_succeeded[] =

   215

	"Emergency save succeeded.\n"

   216

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

   217

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

   218

   219

static bool EmergencySave(void)

   220

{

   221

	SaveOrLoad("crash.sav", SL_SAVE);

   222

	return true;

   223

}

   224

   225

typedef struct {

   226

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

   227

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

   228

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

   229

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

   230

	BOOL (WINAPI *InternetCloseHandle)(HINTERNET);

   231

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

   232

} WinInetProcs;

   233

   234

#define M(x) x "\0"

   235

static const char wininet_files[] =

   236

	M("wininet.dll")

   237

	M("InternetOpenA")

   238

	M("InternetConnectA")

   239

	M("HttpOpenRequestA")

   240

	M("HttpSendRequestA")

   241

	M("InternetCloseHandle")

   242

	M("HttpQueryInfoA")

   243

	M("");

   244

#undef M

   245

   246

static WinInetProcs _wininet;

   247

   248

   249

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

   250

{

   251

	HINTERNET inet, conn, http;

   252

	const char *err = NULL;

   253

	DWORD code, len;

   254

	static char buf[100];

   255

	char buff[100];

   256

   257

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

   258

   259

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

   260

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

   261

   262

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

   263

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

   264

   265

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

   266

   267

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

   268

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

   269

   270

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

   271

   272

	len = sizeof(code);

   273

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

   274

   275

	if (code != 200) {

   276

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

   277

		len = sizeof(buf) - l;

   278

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

   279

		err = buf;

   280

	}

   281

   282

error4:

   283

	_wininet.InternetCloseHandle(http);

   284

error3:

   285

	_wininet.InternetCloseHandle(conn);

   286

error2:

   287

	_wininet.InternetCloseHandle(inet);

   288

error1:

   289

	return err;

   290

}

   291

   292

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

   293

{

   294

	HANDLE h;

   295

	unsigned long size;

   296

	unsigned long read;

   297

	void *mem;

   298

   299

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

   300

	if (h == NULL) return;

   301

   302

	size = GetFileSize(h, NULL);

   303

	if (size > 500000) goto error1;

   304

   305

	mem = malloc(size);

   306

	if (mem == NULL) goto error1;

   307

   308

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

   309

   310

	SubmitCrashReport(wnd, mem, size, file);

   311

   312

error2:

   313

	free(mem);

   314

error1:

   315

	CloseHandle(h);

   316

}

   317

   318

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

   319

   320

static void SetWndSize(HWND wnd, int mode)

   321

{

   322

	RECT r,r2;

   323

	int offs;

   324

   325

	GetWindowRect(wnd, &r);

   326

   327

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

   328

   329

	if (mode >= 0) {

   330

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

   331

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

   332

		if (!mode) offs = -offs;

   333

		SetWindowPos(wnd, HWND_TOPMOST, 0, 0,

   334

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

   335

	} else {

   336

		SetWindowPos(wnd, HWND_TOPMOST,

   337

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

   338

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

   339

			0, 0, SWP_NOSIZE);

   340

	}

   341

}

   342

   343

static bool DoEmergencySave(HWND wnd)

   344

{

   345

	bool b = false;

   346

   347

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

   348

	_did_emerg_save = true;

   349

	__try {

   350

		b = EmergencySave();

   351

	} __except (1) {}

   352

	return b;

   353

}

   354

   355

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

   356

{

   357

	switch (msg) {

   358

	case WM_INITDIALOG:

   359

		SetDlgItemText(wnd, 10, _crash_desc);

   360

		SetDlgItemText(wnd, 11, _crash_msg);

   361

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

   362

		SetWndSize(wnd, -1);

   363

		return TRUE;

   364

	case WM_COMMAND:

   365

		switch (wParam) {

   366

		case 12: // Close

   367

			ExitProcess(0);

   368

		case 13: { // Emergency save

   369

			if (DoEmergencySave(wnd)) {

   370

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

   371

			} else {

   372

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

   373

			}

   374

			break;

   375

		}

   376

		case 14: { // Submit crash report

   377

			const char *s;

   378

   379

			SetCursor(LoadCursor(NULL, IDC_WAIT));

   380

   381

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

   382

			if (s) {

   383

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

   384

				break;

   385

			}

   386

   387

			// try to submit emergency savegame

   388

			if (_did_emerg_save || DoEmergencySave(wnd)) {

   389

				SubmitFile(wnd, "crash.sav");

   390

			}

   391

			// try to submit the autosaved game

   392

			if (_opt.autosave) {

   393

				char buf[40];

   394

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

   395

				SubmitFile(wnd, buf);

   396

			}

   397

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

   398

			SetCursor(LoadCursor(NULL, IDC_ARROW));

   399

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

   400

			break;

   401

		}

   402

		case 15: // Expand

   403

			_expanded ^= 1;

   404

			SetWndSize(wnd, _expanded);

   405

			break;

   406

		}

   407

		return TRUE;

   408

	case WM_CLOSE:

   409

		ExitProcess(0);

   410

	}

   411

   412

	return FALSE;

   413

}

   414

   415

static void Handler2(void)

   416

{

   417

	ShowCursor(TRUE);

   418

	ShowWindow(GetActiveWindow(), FALSE);

   419

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

   420

}

   421

   422

extern bool CloseConsoleLogIfActive(void);

   423

   424

static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)

   425

{

   426

	extern const char _openttd_revision[];

   427

	char *output;

   428

	static bool had_exception;

   429

   430

	if (had_exception) ExitProcess(0);

   431

	had_exception = true;

   432

   433

	_ident = GetTickCount(); // something pretty unique

   434

   435

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

   436

	_crash_msg = output = LocalAlloc(LMEM_FIXED, 8192);

   437

   438

	{

   439

		SYSTEMTIME time;

   440

		GetLocalTime(&time);

   441

		output += sprintf(output,

   442

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

   443

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

   444

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

   445

			time.wYear,

   446

			time.wMonth,

   447

			time.wDay,

   448

			time.wHour,

   449

			time.wMinute,

   450

			time.wSecond,

   451

			_openttd_revision

   452

		);

   453

	}

   454

   455

	if (_exception_string)

   456

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

   457

   458

#ifdef _M_AMD64

   459

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

   460

		"Registers:\r\n"

   461

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

   462

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

   463

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

   464

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

   465

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

   466

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

   467

		ep->ExceptionRecord->ExceptionCode,

   468

		ep->ExceptionRecord->ExceptionAddress,

   469

		ep->ContextRecord->Rax,

   470

		ep->ContextRecord->Rbx,

   471

		ep->ContextRecord->Rcx,

   472

		ep->ContextRecord->Rdx,

   473

		ep->ContextRecord->Rsi,

   474

		ep->ContextRecord->Rdi,

   475

		ep->ContextRecord->Rbp,

   476

		ep->ContextRecord->Rsp,

   477

		ep->ContextRecord->R8,

   478

		ep->ContextRecord->R9,

   479

		ep->ContextRecord->R10,

   480

		ep->ContextRecord->R11,

   481

		ep->ContextRecord->R12,

   482

		ep->ContextRecord->R13,

   483

		ep->ContextRecord->R14,

   484

		ep->ContextRecord->R15,

   485

		ep->ContextRecord->Rip,

   486

		ep->ContextRecord->EFlags

   487

	);

   488

#else

   489

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

   490

		"Registers:\r\n"

   491

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

   492

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

   493

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

   494

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

   495

		ep->ExceptionRecord->ExceptionCode,

   496

		ep->ExceptionRecord->ExceptionAddress,

   497

		ep->ContextRecord->Eax,

   498

		ep->ContextRecord->Ebx,

   499

		ep->ContextRecord->Ecx,

   500

		ep->ContextRecord->Edx,

   501

		ep->ContextRecord->Esi,

   502

		ep->ContextRecord->Edi,

   503

		ep->ContextRecord->Ebp,

   504

		ep->ContextRecord->Esp,

   505

		ep->ContextRecord->Eip,

   506

		ep->ContextRecord->EFlags

   507

	);

   508

#endif

   509

   510

	{