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 "gfx.h"

    11

#include "window.h"

    12

#include <windows.h>

    13

#include <winnt.h>

    14

#include <wininet.h>

    15

#include <io.h>

    16

#include <fcntl.h>

    17

#include <shlobj.h> // SHGetFolderPath

    18

#include "variables.h"

    19

#include "win32.h"

    20

#include "fios.h" // opendir/readdir/closedir

    21

#include <ctype.h>

    22

#include <tchar.h>

    23

#include <errno.h>

    24

#include <sys/types.h>

    25

#include <sys/stat.h>

    26

    27

static bool _has_console;

    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

/** Helper function needed by dynamically loading libraries

    46

 * XXX: Hurray for MS only having an ANSI GetProcAddress function

    47

 * on normal windows and no Wide version except for in Windows Mobile/CE */

    48

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

    49

{

    50

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

    51

		HMODULE lib;

    52

		lib = LoadLibrary(MB_TO_WIDE(dll));

    53

    54

		if (lib == NULL) return false;

    55

		for (;;) {

    56

			FARPROC p;

    57

    58

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

    59

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

    60

#if defined(WINCE)

    61

			p = GetProcAddress(lib, MB_TO_WIDE(dll);

    62

#else

    63

			p = GetProcAddress(lib, dll);

    64

#endif

    65

			if (p == NULL) return false;

    66

			*proc++ = (Function)p;

    67

		}

    68

		dll++;

    69

	}

    70

	return true;

    71

}

    72

    73

#ifdef _MSC_VER

    74

static const char *_exception_string = NULL;

    75

#endif

    76

    77

void ShowOSErrorBox(const char *buf)

    78

{

    79

	MyShowCursor(true);

    80

	MessageBox(GetActiveWindow(), MB_TO_WIDE(buf), _T("Error!"), MB_ICONSTOP);

    81

    82

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

    83

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

    84

	if (*buf == '!') {

    85

		_exception_string = buf;

    86

		*(byte*)0 = 0;

    87

	}

    88

#endif

    89

}

    90

    91

#ifdef _MSC_VER

    92

    93

static void *_safe_esp;

    94

static char *_crash_msg;

    95

static bool _expanded;

    96

static bool _did_emerg_save;

    97

static int _ident;

    98

    99

typedef struct DebugFileInfo {

   100

	uint32 size;

   101

	uint32 crc32;

   102

	SYSTEMTIME file_time;

   103

} DebugFileInfo;

   104

   105

static uint32 *_crc_table;

   106

   107

static void MakeCRCTable(uint32 *table) {

   108

	uint32 crc, poly = 0xEDB88320L;

   109

	int i;

   110

	int j;

   111

   112

	_crc_table = table;

   113

   114

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

   115

		crc = i;

   116

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

   117

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

   118

		}

   119

		table[i] = crc;

   120

	}

   121

}

   122

   123

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

   124

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

   125

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

   126

	}

   127

	return crc;

   128

}

   129

   130

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

   131

{

   132

	HANDLE file;

   133

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

   134

   135

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

   136

	if (file != INVALID_HANDLE_VALUE) {

   137

		byte buffer[1024];

   138

		DWORD numread;

   139

		uint32 filesize = 0;

   140

		FILETIME write_time;

   141

		uint32 crc = (uint32)-1;

   142

   143

		for (;;) {

   144

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

   145

				break;

   146

			filesize += numread;

   147

			crc = CalcCRC(buffer, numread, crc);

   148

		}

   149

		dfi->size = filesize;

   150

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

   151

   152

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

   153

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

   154

		}

   155

		CloseHandle(file);

   156

	}

   157

}

   158

   159

   160

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

   161

{

   162

	TCHAR buffer[MAX_PATH];

   163

	DebugFileInfo dfi;

   164

   165

	GetModuleFileName(mod, buffer, MAX_PATH);

   166

	GetFileInfo(&dfi, buffer);

   167

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

   168

		WIDE_TO_MB(buffer),

   169

		mod,

   170

		dfi.size,

   171

		dfi.crc32,

   172

		dfi.file_time.wYear,

   173

		dfi.file_time.wMonth,

   174

		dfi.file_time.wDay,

   175

		dfi.file_time.wHour,

   176

		dfi.file_time.wMinute,

   177

		dfi.file_time.wSecond

   178

	);

   179

	return output;

   180

}

   181

   182

static char *PrintModuleList(char *output)

   183

{

   184

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

   185

   186

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

   187

		HMODULE modules[100];

   188

		DWORD needed;

   189

		BOOL res;

   190

		int count, i;

   191

   192

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

   193

		if (proc != NULL) {

   194

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

   195

			CloseHandle(proc);

   196

			if (res) {

   197

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

   198

   199

				for (i = 0; i != count; i++) output = PrintModuleInfo(output, modules[i]);

   200

				return output;

   201

			}

   202

		}

   203

	}

   204

	output = PrintModuleInfo(output, NULL);

   205

	return output;

   206

}

   207

   208

static const TCHAR _crash_desc[] =

   209

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

   210

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

   211

	_T("This will greatly help debugging. ")

   212

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

   213

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

   214

   215

static const TCHAR _save_succeeded[] =

   216

	_T("Emergency save succeeded.\n")

   217

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

   218

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

   219

   220

static bool EmergencySave(void)

   221

{

   222

	SaveOrLoad("crash.sav", SL_SAVE);

   223

	return true;

   224

}

   225

   226

/* Disable the crash-save submit code as it's not used */

   227

#if 0

   228

   229

typedef struct {

   230

	HINTERNET (WINAPI *InternetOpen)(LPCTSTR,DWORD, LPCTSTR, LPCTSTR, DWORD);

   231

	HINTERNET (WINAPI *InternetConnect)(HINTERNET, LPCTSTR, INTERNET_PORT, LPCTSTR, LPCTSTR, DWORD, DWORD, DWORD);

   232

	HINTERNET (WINAPI *HttpOpenRequest)(HINTERNET, LPCTSTR, LPCTSTR, LPCTSTR, LPCTSTR, LPCTSTR *, DWORD, DWORD);

   233

	BOOL (WINAPI *HttpSendRequest)(HINTERNET, LPCTSTR, 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

#if defined(UNICODE)

   240

# define W(x) x "W"

   241

#else

   242

# define W(x) x "A"

   243

#endif

   244

static const char wininet_files[] =

   245

	M("wininet.dll")

   246

	M(W("InternetOpen"))

   247

	M(W("InternetConnect"))

   248

	M(W("HttpOpenRequest"))

   249

	M(W("HttpSendRequest"))

   250

	M("InternetCloseHandle")

   251

	M(W("HttpQueryInfo"))

   252

	M("");

   253

#undef W

   254

#undef M

   255

   256

static WinInetProcs _wininet;

   257

   258

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

   259

{

   260

	HINTERNET inet, conn, http;

   261

	const TCHAR *err = NULL;

   262

	DWORD code, len;

   263

	static TCHAR buf[100];

   264

	TCHAR buff[100];

   265

   266

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

   267

   268

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

   269

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

   270

   271

	conn = _wininet.InternetConnect(inet, _T("www.openttd.org"), INTERNET_DEFAULT_HTTP_PORT, _T(""), _T(""), INTERNET_SERVICE_HTTP, 0, 0);

   272

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

   273

   274

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

   275

   276

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

   277

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

   278

   279

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

   280

   281

	len = sizeof(code);

   282

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

   283

   284

	if (code != 200) {

   285

		int l = _sntprintf(buf, lengthof(buf), _T("Server said: %d "), code);

   286

		len = sizeof(buf) - l;

   287

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

   288

		err = buf;

   289

	}

   290

   291

error4:

   292

	_wininet.InternetCloseHandle(http);

   293

error3:

   294

	_wininet.InternetCloseHandle(conn);

   295

error2:

   296

	_wininet.InternetCloseHandle(inet);

   297

error1:

   298

	return err;

   299

}

   300

   301

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

   302

{

   303

	HANDLE h;

   304

	unsigned long size;

   305

	unsigned long read;

   306

	void *mem;

   307

   308

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

   309

	if (h == NULL) return;

   310

   311

	size = GetFileSize(h, NULL);

   312

	if (size > 500000) goto error1;

   313

   314

	mem = malloc(size);

   315

	if (mem == NULL) goto error1;

   316

   317

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

   318

   319

	SubmitCrashReport(wnd, mem, size, file);

   320

   321

error2:

   322

	free(mem);

   323

error1:

   324

	CloseHandle(h);

   325

}

   326

   327

#endif /* Disabled crash-submit procedures */

   328

   329

static const TCHAR * const _expand_texts[] = {_T("S&how report >>"), _T("&Hide report <<") };

   330

   331

static void SetWndSize(HWND wnd, int mode)

   332

{

   333

	RECT r,r2;

   334

	int offs;

   335

   336

	GetWindowRect(wnd, &r);

   337

   338

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

   339

   340

	if (mode >= 0) {

   341

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

   342

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

   343

		if (!mode) offs = -offs;

   344

		SetWindowPos(wnd, HWND_TOPMOST, 0, 0,

   345

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

   346

	} else {

   347

		SetWindowPos(wnd, HWND_TOPMOST,

   348

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

   349

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

   350

			0, 0, SWP_NOSIZE);

   351

	}

   352

}

   353

   354

static bool DoEmergencySave(HWND wnd)

   355

{

   356

	bool b = false;

   357

   358

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

   359

	_did_emerg_save = true;

   360

	__try {

   361

		b = EmergencySave();

   362

	} __except (1) {}

   363

	return b;

   364

}

   365

   366

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

   367

{

   368

	switch (msg) {

   369

		case WM_INITDIALOG: {

   370

#if defined(UNICODE)

   371

			/* We need to put the crash-log in a seperate buffer because the default

   372

			 * buffer in MB_TO_WIDE is not large enough (256 chars) */

   373

			wchar_t crash_msgW[8096];

   374

#endif

   375

			SetDlgItemText(wnd, 10, _crash_desc);

   376

			SetDlgItemText(wnd, 11, MB_TO_WIDE_BUFFER(_crash_msg, crash_msgW, lengthof(crash_msgW)));

   377

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

   378

			SetWndSize(wnd, -1);

   379

		} return TRUE;

   380

		case WM_COMMAND:

   381

			switch (wParam) {

   382

				case 12: /* Close */

   383

					ExitProcess(0);

   384

				case 13: /* Emergency save */

   385

					if (DoEmergencySave(wnd)) {

   386

						MessageBox(wnd, _save_succeeded, _T("Save successful"), MB_ICONINFORMATION);

   387

					} else {

   388

						MessageBox(wnd, _T("Save failed"), _T("Save failed"), MB_ICONINFORMATION);

   389

					}

   390

					break;

   391

/* Disable the crash-save submit code as it's not used */

   392

#if 0

   393

				case 14: { /* Submit crash report */

   394

					const TCHAR *s;

   395

   396

					SetCursor(LoadCursor(NULL, IDC_WAIT));

   397

   398

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

   399

					if (s != NULL) {

   400

						MessageBox(wnd, s, _T("Error"), MB_ICONSTOP);

   401

						break;

   402

					}

   403

   404

					// try to submit emergency savegame

   405

					if (_did_emerg_save || DoEmergencySave(wnd)) SubmitFile(wnd, _T("crash.sav"));

   406

   407

					// try to submit the autosaved game

   408

					if (_opt.autosave) {

   409

						TCHAR buf[40];

   410

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

   411

						SubmitFile(wnd, buf);

   412

					}

   413

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

   414

					SetCursor(LoadCursor(NULL, IDC_ARROW));

   415

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

   416

				}	break;

   417

#endif /* Disabled crash-submit procedures */

   418

				case 15: /* Expand window to show crash-message */

   419

					_expanded ^= 1;

   420

					SetWndSize(wnd, _expanded);

   421

					break;

   422

			}

   423

			return TRUE;

   424

		case WM_CLOSE: ExitProcess(0);

   425

	}

   426

   427

	return FALSE;

   428

}

   429

   430

static void Handler2(void)

   431

{

   432

	ShowCursor(TRUE);

   433

	ShowWindow(GetActiveWindow(), FALSE);

   434

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

   435

}

   436

   437

extern bool CloseConsoleLogIfActive(void);

   438

   439

static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)

   440

{

   441

	extern const char _openttd_revision[];

   442

	char *output;

   443

	static bool had_exception = false;

   444

   445

	if (had_exception) ExitProcess(0);

   446

	had_exception = true;

   447

   448

	_ident = GetTickCount(); // something pretty unique

   449

   450

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

   451

	_crash_msg = output = LocalAlloc(LMEM_FIXED, 8192);

   452

   453

	{

   454

		SYSTEMTIME time;

   455

		GetLocalTime(&time);

   456

		output += sprintf(output,

   457

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

   458

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

   459

			"Build: %s built on " __DATE__ " " __TIME__ "\r\n",

   460

			time.wYear,

   461

			time.wMonth,

   462

			time.wDay,

   463

			time.wHour,

   464

			time.wMinute,

   465

			time.wSecond,

   466

			_openttd_revision

   467

		);

   468

	}

   469

   470

	if (_exception_string)

   471

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

   472

   473

#ifdef _M_AMD64

   474

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

   475

		"Registers:\r\n"

   476

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

   477

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

   478

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

   479

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

   480

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

   481

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

   482

		ep->ExceptionRecord->ExceptionCode,

   483

		ep->ExceptionRecord->ExceptionAddress,

   484

		ep->ContextRecord->Rax,

   485

		ep->ContextRecord->Rbx,

   486

		ep->ContextRecord->Rcx,

   487

		ep->ContextRecord->Rdx,

   488

		ep->ContextRecord->Rsi,

   489

		ep->ContextRecord->Rdi,

   490

		ep->ContextRecord->Rbp,

   491

		ep->ContextRecord->Rsp,

   492

		ep->ContextRecord->R8,

   493

		ep->ContextRecord->R9,

   494

		ep->ContextRecord->R10,

   495

		ep->ContextRecord->R11,

   496

		ep->ContextRecord->R12,

   497

		ep->ContextRecord->R13,

   498

		ep->ContextRecord->R14,

   499

		ep->ContextRecord->R15,

   500

		ep->ContextRecord->Rip,