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 "variables.h"

    18

#include "win32.h"

    19

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

    20

#include <ctype.h>

    21

#include <errno.h>

    22

#include <sys/types.h>

    23

#include <sys/stat.h>

    24

    25

static bool _has_console;

    26

    27

#if defined(__MINGW32__)

    28

	#include <stdint.h>

    29

#endif

    30

    31

static bool cursor_visible = true;

    32

    33

bool MyShowCursor(bool show)

    34

{

    35

	if (cursor_visible == show) return show;

    36

    37

	cursor_visible = show;

    38

	ShowCursor(show);

    39

    40

	return !show;

    41

}

    42

    43

    44

// Helper function needed by dynamically loading SDL

    45

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

    46

{

    47

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

    48

		HMODULE lib = LoadLibrary(dll);

    49

    50

		if (lib == NULL) return false;

    51

		for (;;) {

    52

			FARPROC p;

    53

    54

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

    55

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

    56

			p = GetProcAddress(lib, dll);

    57

			if (p == NULL) return false;

    58

			*proc++ = (Function)p;

    59

		}

    60

		dll++;

    61

	}

    62

	return true;

    63

}

    64

    65

#ifdef _MSC_VER

    66

static const char *_exception_string;

    67

#endif

    68

    69

void ShowOSErrorBox(const char *buf)

    70

{

    71

	MyShowCursor(true);

    72

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

    73

    74

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

    75

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

    76

	if (*buf == '!') {

    77

		_exception_string = buf;

    78

		*(byte*)0 = 0;

    79

	}

    80

#endif

    81

}

    82

    83

#ifdef _MSC_VER

    84

    85

static void *_safe_esp;

    86

static char *_crash_msg;

    87

static bool _expanded;

    88

static bool _did_emerg_save;

    89

static int _ident;

    90

    91

typedef struct DebugFileInfo {

    92

	uint32 size;

    93

	uint32 crc32;

    94

	SYSTEMTIME file_time;

    95

} DebugFileInfo;

    96

    97

static uint32 *_crc_table;

    98

    99

static void MakeCRCTable(uint32 *table) {

   100

	uint32 crc, poly = 0xEDB88320L;

   101

	int i;

   102

	int j;

   103

   104

	_crc_table = table;

   105

   106

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

   107

		crc = i;

   108

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

   109

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

   110

		}

   111

		table[i] = crc;

   112

	}

   113

}

   114

   115

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

   116

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

   117

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

   118

	}

   119

	return crc;

   120

}

   121

   122

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

   123

{

   124

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

   125

   126

	{

   127

		HANDLE file;

   128

		byte buffer[1024];

   129

		DWORD numread;

   130

		uint32 filesize = 0;

   131

		FILETIME write_time;

   132

		uint32 crc = (uint32)-1;

   133

   134

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

   135

			OPEN_EXISTING, 0, 0);

   136

		if (file != INVALID_HANDLE_VALUE) {

   137

			for (;;) {

   138

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

   139

						numread == 0)

   140

					break;

   141

				filesize += numread;

   142

				crc = CalcCRC(buffer, numread, crc);

   143

			}

   144

			dfi->size = filesize;

   145

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

   146

   147

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

   148

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

   149

			}

   150

			CloseHandle(file);

   151

		}

   152

	}

   153

}

   154

   155

   156

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

   157

{

   158

	char buffer[MAX_PATH];

   159

	DebugFileInfo dfi;

   160

   161

	GetModuleFileName(mod, buffer, MAX_PATH);

   162

	GetFileInfo(&dfi, buffer);

   163

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

   164

		buffer,

   165

		mod,

   166

		dfi.size,

   167

		dfi.crc32,

   168

		dfi.file_time.wYear,

   169

		dfi.file_time.wMonth,

   170

		dfi.file_time.wDay,

   171

		dfi.file_time.wHour,

   172

		dfi.file_time.wMinute,

   173

		dfi.file_time.wSecond

   174

	);

   175

	return output;

   176

}

   177

   178

static char *PrintModuleList(char *output)

   179

{

   180

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

   181

	HANDLE proc;

   182

	HMODULE modules[100];

   183

	DWORD needed;

   184

	BOOL res;

   185

	int count,i;

   186

   187

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

   188

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

   189

		if (proc) {

   190

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

   191

			CloseHandle(proc);

   192

			if (res) {

   193

				count =

   194

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

   195

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

   196

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

   197

				return output;

   198

			}

   199

		}

   200

	}

   201

	output = PrintModuleInfo(output, NULL);

   202

	return output;

   203

}

   204

   205

static const char _crash_desc[] =

   206

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

   207

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

   208

	"This will greatly help debugging. "

   209

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

   210

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

   211

   212

static const char _save_succeeded[] =

   213

	"Emergency save succeeded.\n"

   214

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

   215

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

   216

   217

static bool EmergencySave(void)

   218

{

   219

	SaveOrLoad("crash.sav", SL_SAVE);

   220

	return true;

   221

}

   222

   223

typedef struct {

   224

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

   225

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

   226

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

   227

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

   228

	BOOL (WINAPI *InternetCloseHandle)(HINTERNET);

   229

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

   230

} WinInetProcs;

   231

   232

#define M(x) x "\0"

   233

static const char wininet_files[] =

   234

	M("wininet.dll")

   235

	M("InternetOpenA")

   236

	M("InternetConnectA")

   237

	M("HttpOpenRequestA")

   238

	M("HttpSendRequestA")

   239

	M("InternetCloseHandle")

   240

	M("HttpQueryInfoA")

   241

	M("");

   242

#undef M

   243

   244

static WinInetProcs _wininet;

   245

   246

   247

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

   248

{

   249

	HINTERNET inet, conn, http;

   250

	const char *err = NULL;

   251

	DWORD code, len;

   252

	static char buf[100];

   253

	char buff[100];

   254

   255

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

   256

   257

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

   258

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

   259

   260

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

   261

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

   262

   263

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

   264

   265

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

   266

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

   267

   268

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

   269

   270

	len = sizeof(code);

   271

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

   272

   273

	if (code != 200) {

   274

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

   275

		len = sizeof(buf) - l;

   276

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

   277

		err = buf;

   278

	}

   279

   280

error4:

   281

	_wininet.InternetCloseHandle(http);

   282

error3:

   283

	_wininet.InternetCloseHandle(conn);

   284

error2:

   285

	_wininet.InternetCloseHandle(inet);

   286

error1:

   287

	return err;

   288

}

   289

   290

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

   291

{

   292

	HANDLE h;

   293

	unsigned long size;

   294

	unsigned long read;

   295

	void *mem;

   296

   297

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

   298

	if (h == NULL) return;

   299

   300

	size = GetFileSize(h, NULL);

   301

	if (size > 500000) goto error1;

   302

   303

	mem = malloc(size);

   304

	if (mem == NULL) goto error1;

   305

   306

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

   307

   308

	SubmitCrashReport(wnd, mem, size, file);

   309

   310

error2:

   311

	free(mem);

   312

error1:

   313

	CloseHandle(h);

   314

}

   315

   316

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

   317

   318

static void SetWndSize(HWND wnd, int mode)

   319

{

   320

	RECT r,r2;

   321

	int offs;

   322

   323

	GetWindowRect(wnd, &r);

   324

   325

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

   326

   327

	if (mode >= 0) {

   328

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

   329

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

   330

		if (!mode) offs = -offs;

   331

		SetWindowPos(wnd, HWND_TOPMOST, 0, 0,

   332

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

   333

	} else {

   334

		SetWindowPos(wnd, HWND_TOPMOST,

   335

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

   336

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

   337

			0, 0, SWP_NOSIZE);

   338

	}

   339

}

   340

   341

static bool DoEmergencySave(HWND wnd)

   342

{

   343

	bool b = false;

   344

   345

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

   346

	_did_emerg_save = true;

   347

	__try {

   348

		b = EmergencySave();

   349

	} __except (1) {}

   350

	return b;

   351

}

   352

   353

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

   354

{

   355

	switch (msg) {

   356

	case WM_INITDIALOG:

   357

		SetDlgItemText(wnd, 10, _crash_desc);

   358

		SetDlgItemText(wnd, 11, _crash_msg);

   359

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

   360

		SetWndSize(wnd, -1);

   361

		return TRUE;

   362

	case WM_COMMAND:

   363

		switch (wParam) {

   364

		case 12: // Close

   365

			ExitProcess(0);

   366

		case 13: { // Emergency save

   367

			if (DoEmergencySave(wnd)) {

   368

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

   369

			} else {

   370

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

   371

			}

   372

			break;

   373

		}

   374

		case 14: { // Submit crash report

   375

			const char *s;

   376

   377

			SetCursor(LoadCursor(NULL, IDC_WAIT));

   378

   379

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

   380

			if (s) {

   381

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

   382

				break;

   383

			}

   384

   385

			// try to submit emergency savegame

   386

			if (_did_emerg_save || DoEmergencySave(wnd)) {

   387

				SubmitFile(wnd, "crash.sav");

   388

			}

   389

			// try to submit the autosaved game

   390

			if (_opt.autosave) {

   391

				char buf[40];

   392

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

   393

				SubmitFile(wnd, buf);

   394

			}

   395

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

   396

			SetCursor(LoadCursor(NULL, IDC_ARROW));

   397

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

   398

			break;

   399

		}

   400

		case 15: // Expand

   401

			_expanded ^= 1;

   402

			SetWndSize(wnd, _expanded);

   403

			break;

   404

		}

   405

		return TRUE;

   406

	case WM_CLOSE:

   407

		ExitProcess(0);

   408

	}

   409

   410

	return FALSE;

   411

}

   412

   413

static void Handler2(void)

   414

{

   415

	ShowCursor(TRUE);

   416

	ShowWindow(GetActiveWindow(), FALSE);

   417

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

   418

}

   419

   420

extern bool CloseConsoleLogIfActive(void);

   421

   422

static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)

   423

{

   424

	extern const char _openttd_revision[];

   425

	char *output;

   426

	static bool had_exception;

   427

   428

	if (had_exception) ExitProcess(0);

   429

	had_exception = true;

   430

   431

	_ident = GetTickCount(); // something pretty unique

   432

   433

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

   434

	_crash_msg = output = LocalAlloc(LMEM_FIXED, 8192);

   435

   436

	{

   437

		SYSTEMTIME time;

   438

		GetLocalTime(&time);

   439

		output += snprintf(output, 8192,

   440

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

   441

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

   442

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

   443

			time.wYear,

   444

			time.wMonth,

   445

			time.wDay,

   446

			time.wHour,

   447

			time.wMinute,

   448

			time.wSecond,

   449

			_openttd_revision

   450

		);

   451

	}

   452

   453

	if (_exception_string)

   454

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

   455

   456

#ifdef _M_AMD64

   457

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

   458

		"Registers:\r\n"

   459

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

   460

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

   461

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

   462

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

   463

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

   464

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

   465

		ep->ExceptionRecord->ExceptionCode,

   466

		ep->ExceptionRecord->ExceptionAddress,

   467

		ep->ContextRecord->Rax,

   468

		ep->ContextRecord->Rbx,

   469

		ep->ContextRecord->Rcx,

   470

		ep->ContextRecord->Rdx,

   471

		ep->ContextRecord->Rsi,

   472

		ep->ContextRecord->Rdi,

   473

		ep->ContextRecord->Rbp,

   474

		ep->ContextRecord->Rsp,

   475

		ep->ContextRecord->R8,

   476

		ep->ContextRecord->R9,

   477

		ep->ContextRecord->R10,

   478

		ep->ContextRecord->R11,

   479

		ep->ContextRecord->R12,

   480

		ep->ContextRecord->R13,

   481

		ep->ContextRecord->R14,

   482

		ep->ContextRecord->R15,

   483

		ep->ContextRecord->Rip,

   484

		ep->ContextRecord->EFlags

   485

	);

   486

#else

   487

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

   488

		"Registers:\r\n"

   489

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

   490

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

   491

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

   492

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

   493

		ep->ExceptionRecord->ExceptionCode,

   494

		ep->ExceptionRecord->ExceptionAddress,

   495

		ep->ContextRecord->Eax,

   496

		ep->ContextRecord->Ebx,

   497

		ep->ContextRecord->Ecx,

   498

		ep->ContextRecord->Edx,

   499

		ep->ContextRecord->Esi,

   500

		ep->ContextRecord->Edi,

   501

		ep->ContextRecord->Ebp,

   502

		ep->ContextRecord->Esp,

   503

		ep->ContextRecord->Eip,

   504

		ep->ContextRecord->EFlags

   505

	);

   506

#endif

   507

   508

	{

   509

#ifdef _M_AMD64