1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "hal.h"

     5

#include "openttd.h"

     6

#include "debug.h"

     7

#include "functions.h"

     8

#include "macros.h"

     9

#include "helpers.hpp"

    10

#include "saveload.h"

    11

#include "string.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 <shlobj.h> // SHGetFolderPath

    20

#include "variables.h"

    21

#include "win32.h"

    22

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

    23

#include <ctype.h>

    24

#include <tchar.h>

    25

#include <errno.h>

    26

#include <sys/types.h>

    27

#include <sys/stat.h>

    28

    29

static bool _has_console;

    30

    31

#if defined(__MINGW32__)

    32

	#include <stdint.h>

    33

#endif

    34

    35

static bool cursor_visible = true;

    36

    37

bool MyShowCursor(bool show)

    38

{

    39

	if (cursor_visible == show) return show;

    40

    41

	cursor_visible = show;

    42

	ShowCursor(show);

    43

    44

	return !show;

    45

}

    46

    47

/** Helper function needed by dynamically loading libraries

    48

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

    49

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

    50

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

    51

{

    52

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

    53

		HMODULE lib;

    54

		lib = LoadLibrary(MB_TO_WIDE(dll));

    55

    56

		if (lib == NULL) return false;

    57

		for (;;) {

    58

			FARPROC p;

    59

    60

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

    61

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

    62

#if defined(WINCE)

    63

			p = GetProcAddress(lib, MB_TO_WIDE(dll);

    64

#else

    65

			p = GetProcAddress(lib, dll);

    66

#endif

    67

			if (p == NULL) return false;

    68

			*proc++ = (Function)p;

    69

		}

    70

		dll++;

    71

	}

    72

	return true;

    73

}

    74

    75

#ifdef _MSC_VER

    76

static const char *_exception_string = NULL;

    77

#endif

    78

    79

void ShowOSErrorBox(const char *buf)

    80

{

    81

	MyShowCursor(true);

    82

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

    83

    84

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

    85

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

    86

	if (*buf == '!') {

    87

		_exception_string = buf;

    88

		*(byte*)0 = 0;

    89

	}

    90

#endif

    91

}

    92

    93

#ifdef _MSC_VER

    94

    95

static void *_safe_esp;

    96

static char *_crash_msg;

    97

static bool _expanded;

    98

static bool _did_emerg_save;

    99

static int _ident;

   100

   101

typedef struct DebugFileInfo {

   102

	uint32 size;

   103

	uint32 crc32;

   104

	SYSTEMTIME file_time;

   105

} DebugFileInfo;

   106

   107

static uint32 *_crc_table;

   108

   109

static void MakeCRCTable(uint32 *table) {

   110

	uint32 crc, poly = 0xEDB88320L;

   111

	int i;

   112

	int j;

   113

   114

	_crc_table = table;

   115

   116

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

   117

		crc = i;

   118

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

   119

			crc = (crc & 1 ? (crc >> 1) ^ poly : 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 TCHAR *filename)

   133

{

   134

	HANDLE file;

   135

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

   136

   137

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

   138

	if (file != INVALID_HANDLE_VALUE) {

   139

		byte buffer[1024];

   140

		DWORD numread;

   141

		uint32 filesize = 0;

   142

		FILETIME write_time;

   143

		uint32 crc = (uint32)-1;

   144

   145

		for (;;) {

   146

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

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

   163

{

   164

	TCHAR 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

		WIDE_TO_MB(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

   188

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

   189

		HMODULE modules[100];

   190

		DWORD needed;

   191

		BOOL res;

   192

		int count, i;

   193

   194

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

   195

		if (proc != NULL) {

   196

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

   197

			CloseHandle(proc);

   198

			if (res) {

   199

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

   200

   201

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

   202

				return output;

   203

			}

   204

		}

   205

	}

   206

	output = PrintModuleInfo(output, NULL);

   207

	return output;

   208

}

   209

   210

static const TCHAR _crash_desc[] =

   211

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

   212

	_T("Please send the crash information and the crash.dmp file (if any) to the developers.\n")

   213

	_T("This will greatly help debugging. The correct place to do this is http://bugs.openttd.org. ")

   214

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

   215

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

   216

   217

static const TCHAR _save_succeeded[] =

   218

	_T("Emergency save succeeded.\n")

   219

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

   220

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

   221

   222

static bool EmergencySave(void)

   223

{

   224

	SaveOrLoad("crash.sav", SL_SAVE);

   225

	return true;

   226

}

   227

   228

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

   229

#if 0

   230

   231

typedef struct {

   232

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

   233

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

   234

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

   235

	BOOL (WINAPI *HttpSendRequest)(HINTERNET, LPCTSTR, DWORD, LPVOID, DWORD);

   236

	BOOL (WINAPI *InternetCloseHandle)(HINTERNET);

   237

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

   238

} WinInetProcs;

   239

   240

#define M(x) x "\0"

   241

#if defined(UNICODE)

   242

# define W(x) x "W"

   243

#else

   244

# define W(x) x "A"

   245

#endif

   246

static const char wininet_files[] =

   247

	M("wininet.dll")

   248

	M(W("InternetOpen"))

   249

	M(W("InternetConnect"))

   250

	M(W("HttpOpenRequest"))

   251

	M(W("HttpSendRequest"))

   252

	M("InternetCloseHandle")

   253

	M(W("HttpQueryInfo"))

   254

	M("");

   255

#undef W

   256

#undef M

   257

   258

static WinInetProcs _wininet;

   259

   260

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

   261

{

   262

	HINTERNET inet, conn, http;

   263

	const TCHAR *err = NULL;

   264

	DWORD code, len;

   265

	static TCHAR buf[100];

   266

	TCHAR buff[100];

   267

   268

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

   269

   270

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

   271

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

   272

   273

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

   274

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

   275

   276

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

   277

   278

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

   279

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

   280

   281

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

   282

   283

	len = sizeof(code);

   284

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

   285

   286

	if (code != 200) {

   287

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

   288

		len = sizeof(buf) - l;

   289

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

   290

		err = buf;

   291

	}

   292

   293

error4:

   294

	_wininet.InternetCloseHandle(http);

   295

error3:

   296

	_wininet.InternetCloseHandle(conn);

   297

error2:

   298

	_wininet.InternetCloseHandle(inet);

   299

error1:

   300

	return err;

   301

}

   302

   303

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

   304

{

   305

	HANDLE h;

   306

	unsigned long size;

   307

	unsigned long read;

   308

	void *mem;

   309

   310

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

   311

	if (h == NULL) return;

   312

   313

	size = GetFileSize(h, NULL);

   314

	if (size > 500000) goto error1;

   315

   316

	mem = malloc(size);

   317

	if (mem == NULL) goto error1;

   318

   319

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

   320

   321

	SubmitCrashReport(wnd, mem, size, file);

   322

   323

error2:

   324

	free(mem);

   325

error1:

   326

	CloseHandle(h);

   327

}

   328

   329

#endif /* Disabled crash-submit procedures */

   330

   331

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

   332

   333

static void SetWndSize(HWND wnd, int mode)

   334

{

   335

	RECT r,r2;

   336

	int offs;

   337

   338

	GetWindowRect(wnd, &r);

   339

   340

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

   341

   342

	if (mode >= 0) {

   343

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

   344

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

   345

		if (!mode) offs = -offs;

   346

		SetWindowPos(wnd, HWND_TOPMOST, 0, 0,

   347

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

   348

	} else {

   349

		SetWindowPos(wnd, HWND_TOPMOST,

   350

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

   351

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

   352

			0, 0, SWP_NOSIZE);

   353

	}

   354

}

   355

   356

static bool DoEmergencySave(HWND wnd)

   357

{

   358

	bool b = false;

   359

   360

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

   361

	_did_emerg_save = true;

   362

	__try {

   363

		b = EmergencySave();

   364

	} __except (1) {}

   365

	return b;

   366

}

   367

   368

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

   369

{

   370

	switch (msg) {

   371

		case WM_INITDIALOG: {

   372

#if defined(UNICODE)

   373

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

   374

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

   375

			wchar_t crash_msgW[8096];

   376

#endif

   377

			SetDlgItemText(wnd, 10, _crash_desc);

   378

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

   379

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

   380

			SetWndSize(wnd, -1);

   381

		} return TRUE;

   382

		case WM_COMMAND:

   383

			switch (wParam) {

   384

				case 12: /* Close */

   385

					ExitProcess(0);

   386

				case 13: /* Emergency save */

   387

					if (DoEmergencySave(wnd)) {

   388

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

   389

					} else {

   390

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

   391

					}

   392

					break;

   393

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

   394

#if 0

   395

				case 14: { /* Submit crash report */

   396

					const TCHAR *s;

   397

   398

					SetCursor(LoadCursor(NULL, IDC_WAIT));

   399

   400

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

   401

					if (s != NULL) {

   402

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

   403

						break;

   404

					}

   405

   406

					// try to submit emergency savegame

   407

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

   408

   409

					// try to submit the autosaved game

   410

					if (_opt.autosave) {

   411

						TCHAR buf[40];

   412

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

   413

						SubmitFile(wnd, buf);

   414

					}

   415

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

   416

					SetCursor(LoadCursor(NULL, IDC_ARROW));

   417

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

   418

				}	break;

   419

#endif /* Disabled crash-submit procedures */

   420

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

   421

					_expanded ^= 1;

   422

					SetWndSize(wnd, _expanded);

   423

					break;

   424

			}

   425

			return TRUE;

   426

		case WM_CLOSE: ExitProcess(0);

   427

	}

   428

   429

	return FALSE;

   430

}

   431

   432

static void Handler2(void)

   433

{

   434

	ShowCursor(TRUE);

   435

	ShowWindow(GetActiveWindow(), FALSE);

   436

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

   437

}

   438

   439

extern bool CloseConsoleLogIfActive(void);

   440

   441

static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)

   442

{

   443

	extern const char _openttd_revision[];

   444

	char *output;

   445

	static bool had_exception = false;

   446

   447

	if (had_exception) ExitProcess(0);

   448

	had_exception = true;

   449

   450

	_ident = GetTickCount(); // something pretty unique

   451

   452

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

   453

	_crash_msg = output = (char*)LocalAlloc(LMEM_FIXED, 8192);

   454

   455

	{

   456

		SYSTEMTIME time;

   457

		GetLocalTime(&time);

   458

		output += sprintf(output,

   459

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

   460

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

   461

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

   462

			time.wYear,

   463

			time.wMonth,

   464

			time.wDay,

   465

			time.wHour,

   466

			time.wMinute,

   467

			time.wSecond,

   468

			_openttd_revision

   469

		);

   470

	}

   471

   472

	if (_exception_string)

   473

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

   474

   475

#ifdef _M_AMD64

   476

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

   477

		"Registers:\r\n"

   478

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

   479

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

   480

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

   481

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

   482

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

   483

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

   484

		ep->ExceptionRecord->ExceptionCode,

   485

		ep->ExceptionRecord->ExceptionAddress,

   486

		ep->ContextRecord->Rax,

   487

		ep->ContextRecord->Rbx,

   488

		ep->ContextRecord->Rcx,

   489

		ep->ContextRecord->Rdx,

   490

		ep->ContextRecord->Rsi,

   491

		ep->ContextRecord->Rdi,

   492

		ep->ContextRecord->Rbp,

   493

		ep->ContextRecord->Rsp,

   494

		ep->ContextRecord->R8,

   495

		ep->ContextRecord->R9,

   496

		ep->ContextRecord->R10,

   497

		ep->ContextRecord->R11,

   498

		ep->ContextRecord->R12,

   499

		ep->ContextRecord->R13,