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1 /******************************************************************************
2 * Utility.c
3 *
4 * Copyright (c) 2020, longpanda <admin@ventoy.net>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
18 *
19 */
20 #include <Windows.h>
21 #include "Ventoy2Disk.h"
22
23 void Log(const char *Fmt, ...)
24 {
25 va_list Arg;
26 int Len = 0;
27 FILE *File = NULL;
28 SYSTEMTIME Sys;
29 char szBuf[1024];
30
31 GetLocalTime(&Sys);
32 Len += safe_sprintf(szBuf,
33 "[%4d/%02d/%02d %02d:%02d:%02d.%03d] ",
34 Sys.wYear, Sys.wMonth, Sys.wDay,
35 Sys.wHour, Sys.wMinute, Sys.wSecond,
36 Sys.wMilliseconds);
37
38 va_start(Arg, Fmt);
39 Len += vsnprintf_s(szBuf + Len, sizeof(szBuf)-Len, sizeof(szBuf)-Len, Fmt, Arg);
40 va_end(Arg);
41
42 //printf("%s\n", szBuf);
43
44 #if 1
45 fopen_s(&File, VENTOY_FILE_LOG, "a+");
46 if (File)
47 {
48 fwrite(szBuf, 1, Len, File);
49 fwrite("\n", 1, 1, File);
50 fclose(File);
51 }
52 #endif
53
54 }
55
56 BOOL IsPathExist(BOOL Dir, const char *Fmt, ...)
57 {
58 va_list Arg;
59 HANDLE hFile;
60 DWORD Attr;
61 CHAR FilePath[MAX_PATH];
62
63 va_start(Arg, Fmt);
64 vsnprintf_s(FilePath, sizeof(FilePath), sizeof(FilePath), Fmt, Arg);
65 va_end(Arg);
66
67 hFile = CreateFileA(FilePath, FILE_READ_EA, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
68 if (INVALID_HANDLE_VALUE == hFile)
69 {
70 return FALSE;
71 }
72
73 CloseHandle(hFile);
74
75 Attr = GetFileAttributesA(FilePath);
76
77 if (Dir)
78 {
79 if ((Attr & FILE_ATTRIBUTE_DIRECTORY) == 0)
80 {
81 return FALSE;
82 }
83 }
84 else
85 {
86 if (Attr & FILE_ATTRIBUTE_DIRECTORY)
87 {
88 return FALSE;
89 }
90 }
91
92 return TRUE;
93 }
94
95
96 int ReadWholeFileToBuf(const CHAR *FileName, int ExtLen, void **Bufer, int *BufLen)
97 {
98 int FileSize;
99 FILE *File = NULL;
100 void *Data = NULL;
101
102 fopen_s(&File, FileName, "rb");
103 if (File == NULL)
104 {
105 Log("Failed to open file %s", FileName);
106 return 1;
107 }
108
109 fseek(File, 0, SEEK_END);
110 FileSize = (int)ftell(File);
111
112 Data = malloc(FileSize + ExtLen);
113 if (!Data)
114 {
115 fclose(File);
116 return 1;
117 }
118
119 fseek(File, 0, SEEK_SET);
120 fread(Data, 1, FileSize, File);
121
122 fclose(File);
123
124 *Bufer = Data;
125 *BufLen = FileSize;
126
127 return 0;
128 }
129
130 const CHAR* GetLocalVentoyVersion(void)
131 {
132 int rc;
133 int FileSize;
134 CHAR *Pos = NULL;
135 CHAR *Buf = NULL;
136 static CHAR LocalVersion[64] = { 0 };
137
138 if (LocalVersion[0] == 0)
139 {
140 rc = ReadWholeFileToBuf(VENTOY_FILE_VERSION, 1, (void **)&Buf, &FileSize);
141 if (rc)
142 {
143 return "";
144 }
145 Buf[FileSize] = 0;
146
147 for (Pos = Buf; *Pos; Pos++)
148 {
149 if (*Pos == '\r' || *Pos == '\n')
150 {
151 *Pos = 0;
152 break;
153 }
154 }
155
156 safe_sprintf(LocalVersion, "%s", Buf);
157 free(Buf);
158 }
159
160 return LocalVersion;
161 }
162
163 const CHAR* ParseVentoyVersionFromString(CHAR *Buf)
164 {
165 CHAR *Pos = NULL;
166 CHAR *End = NULL;
167 static CHAR LocalVersion[64] = { 0 };
168
169 Pos = strstr(Buf, "VENTOY_VERSION=");
170 if (Pos)
171 {
172 Pos += strlen("VENTOY_VERSION=");
173 if (*Pos == '"')
174 {
175 Pos++;
176 }
177
178 End = Pos;
179 while (*End != 0 && *End != '"' && *End != '\r' && *End != '\n')
180 {
181 End++;
182 }
183
184 *End = 0;
185
186 safe_sprintf(LocalVersion, "%s", Pos);
187 return LocalVersion;
188 }
189
190 return "";
191 }
192
193 BOOL IsWow64(void)
194 {
195 typedef BOOL(WINAPI *LPFN_ISWOW64PROCESS)(HANDLE, PBOOL);
196 LPFN_ISWOW64PROCESS fnIsWow64Process;
197 BOOL bIsWow64 = FALSE;
198
199 fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(GetModuleHandleA("kernel32"), "IsWow64Process");
200 if (NULL != fnIsWow64Process)
201 {
202 fnIsWow64Process(GetCurrentProcess(), &bIsWow64);
203 }
204
205 return bIsWow64;
206 }
207
208 void DumpWindowsVersion(void)
209 {
210 int Bit;
211 BOOL WsVer;
212 DWORD Major, Minor;
213 ULONGLONG MajorEqual, MinorEqual;
214 OSVERSIONINFOEXA Ver1, Ver2;
215 const CHAR *Ver = NULL;
216 CHAR WinVer[256] = { 0 };
217
218 memset(&Ver1, 0, sizeof(Ver1));
219 memset(&Ver2, 0, sizeof(Ver2));
220
221 Ver1.dwOSVersionInfoSize = sizeof(Ver1);
222
223 // suppress the C4996 warning for GetVersionExA
224 #pragma warning(push)
225 #pragma warning(disable:4996)
226 if (!GetVersionExA((OSVERSIONINFOA *)&Ver1))
227 {
228 memset(&Ver1, 0, sizeof(Ver1));
229 Ver1.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
230 if (!GetVersionExA((OSVERSIONINFOA *)&Ver1))
231 {
232 return;
233 }
234 }
235 #pragma warning(pop)
236
237 if (Ver1.dwPlatformId == VER_PLATFORM_WIN32_NT)
238 {
239 if (Ver1.dwMajorVersion > 6 || (Ver1.dwMajorVersion == 6 && Ver1.dwMinorVersion >= 2))
240 {
241 // GetVersionEx() has problem on some Windows version
242
243 MajorEqual = VerSetConditionMask(0, VER_MAJORVERSION, VER_EQUAL);
244 for (Major = Ver1.dwMajorVersion; Major <= 9; Major++)
245 {
246 memset(&Ver2, 0, sizeof(Ver2));
247 Ver2.dwOSVersionInfoSize = sizeof(Ver2);
248 Ver2.dwMajorVersion = Major;
249
250 if (!VerifyVersionInfoA(&Ver2, VER_MAJORVERSION, MajorEqual))
251 {
252 continue;
253 }
254
255 if (Ver1.dwMajorVersion < Major)
256 {
257 Ver1.dwMajorVersion = Major;
258 Ver1.dwMinorVersion = 0;
259 }
260
261 MinorEqual = VerSetConditionMask(0, VER_MINORVERSION, VER_EQUAL);
262 for (Minor = Ver1.dwMinorVersion; Minor <= 9; Minor++)
263 {
264 memset(&Ver2, 0, sizeof(Ver2));
265
266 Ver2.dwOSVersionInfoSize = sizeof(Ver2);
267 Ver2.dwMinorVersion = Minor;
268
269 if (!VerifyVersionInfoA(&Ver2, VER_MINORVERSION, MinorEqual))
270 {
271 continue;
272 }
273
274 Ver1.dwMinorVersion = Minor;
275 break;
276 }
277
278 break;
279 }
280 }
281
282 if (Ver1.dwMajorVersion <= 0xF && Ver1.dwMinorVersion <= 0xF)
283 {
284 WsVer = (Ver1.wProductType <= VER_NT_WORKSTATION);
285 switch ((Ver1.dwMajorVersion << 4) | Ver2.dwMinorVersion)
286 {
287 case 0x51:
288 {
289 Ver = "XP";
290 break;
291 }
292 case 0x52:
293 {
294 Ver = GetSystemMetrics(89) ? "Server 2003 R2" : "Server 2003";
295 break;
296 }
297 case 0x60:
298 {
299 Ver = WsVer ? "Vista" : "Server 2008";
300 break;
301 }
302 case 0x61:
303 {
304 Ver = WsVer ? "7" : "Server 2008 R2";
305 break;
306 }
307 case 0x62:
308 {
309 Ver = WsVer ? "8" : "Server 2012";
310 break;
311 }
312 case 0x63:
313 {
314 Ver = WsVer ? "8.1" : "Server 2012 R2";
315 break;
316 }
317 case 0x64:
318 {
319 Ver = WsVer ? "10 (Preview 1)" : "Server 10 (Preview 1)";
320 break;
321 }
322 case 0xA0:
323 {
324 Ver = WsVer ? "10" : ((Ver1.dwBuildNumber > 15000) ? "Server 2019" : "Server 2016");
325 break;
326 }
327 default:
328 {
329 Ver = "10 or later";
330 break;
331 }
332 }
333 }
334 }
335
336 Bit = IsWow64() ? 64 : 32;
337
338 if (Ver1.wServicePackMinor)
339 {
340 safe_sprintf(WinVer, "Windows %s SP%u.%u %d-bit", Ver, Ver1.wServicePackMajor, Ver1.wServicePackMinor, Bit);
341 }
342 else if (Ver1.wServicePackMajor)
343 {
344 safe_sprintf(WinVer, "Windows %s SP%u %d-bit", Ver, Ver1.wServicePackMajor, Bit);
345 }
346 else
347 {
348 safe_sprintf(WinVer, "Windows %s %d-bit", Ver, Bit);
349 }
350
351 if (((Ver1.dwMajorVersion << 4) | Ver2.dwMinorVersion) >= 0x62)
352 {
353 Log("Windows Version : %s (Build %u)", WinVer, Ver1.dwBuildNumber);
354 }
355 else
356 {
357 Log("Windows Version : %s", WinVer);
358 }
359
360 return;
361 }
362
363 BOOL IsVentoyLogicalDrive(CHAR DriveLetter)
364 {
365 int i;
366 CONST CHAR *Files[] =
367 {
368 "EFI\\BOOT\\BOOTX64.EFI",
369 "grub\\themes\\ventoy\\theme.txt",
370 "ventoy\\ventoy.cpio",
371 };
372
373 for (i = 0; i < sizeof(Files) / sizeof(Files[0]); i++)
374 {
375 if (!IsFileExist("%C:\\%s", DriveLetter, Files[i]))
376 {
377 return FALSE;
378 }
379 }
380
381 return TRUE;
382 }
383
384
385 int VentoyFillLocation(UINT64 DiskSizeInBytes, UINT32 StartSectorId, UINT32 SectorCount, PART_TABLE *Table)
386 {
387 BYTE Head;
388 BYTE Sector;
389 BYTE nSector = 63;
390 BYTE nHead = 8;
391 UINT32 Cylinder;
392 UINT32 EndSectorId;
393
394 while (nHead != 0 && (DiskSizeInBytes / 512 / nSector / nHead) > 1024)
395 {
396 nHead = (BYTE)nHead * 2;
397 }
398
399 if (nHead == 0)
400 {
401 nHead = 255;
402 }
403
404 Cylinder = StartSectorId / nSector / nHead;
405 Head = StartSectorId / nSector % nHead;
406 Sector = StartSectorId % nSector + 1;
407
408 Table->StartHead = Head;
409 Table->StartSector = Sector;
410 Table->StartCylinder = Cylinder;
411
412 EndSectorId = StartSectorId + SectorCount - 1;
413 Cylinder = EndSectorId / nSector / nHead;
414 Head = EndSectorId / nSector % nHead;
415 Sector = EndSectorId % nSector + 1;
416
417 Table->EndHead = Head;
418 Table->EndSector = Sector;
419 Table->EndCylinder = Cylinder;
420
421 Table->StartSectorId = StartSectorId;
422 Table->SectorCount = SectorCount;
423
424 return 0;
425 }
426
427 int VentoyFillMBR(UINT64 DiskSizeBytes, MBR_HEAD *pMBR)
428 {
429 GUID Guid;
430 int ReservedValue;
431 UINT32 DiskSignature;
432 UINT32 DiskSectorCount;
433 UINT32 PartSectorCount;
434 UINT32 PartStartSector;
435 UINT32 ReservedSector;
436
437 VentoyGetLocalBootImg(pMBR);
438
439 CoCreateGuid(&Guid);
440
441 memcpy(&DiskSignature, &Guid, sizeof(UINT32));
442
443 Log("Disk signature: 0x%08x", DiskSignature);
444
445 *((UINT32 *)(pMBR->BootCode + 0x1B8)) = DiskSignature;
446
447 DiskSectorCount = (UINT32)(DiskSizeBytes / 512);
448
449 ReservedValue = GetReservedSpaceInMB();
450 if (ReservedValue <= 0)
451 {
452 ReservedSector = 0;
453 }
454 else
455 {
456 ReservedSector = (UINT32)(ReservedValue * 2048);
457 }
458
459 Log("ReservedSector: %u", ReservedSector);
460
461 //Part1
462 PartStartSector = VENTOY_PART1_START_SECTOR;
463 PartSectorCount = DiskSectorCount - ReservedSector - VENTOY_EFI_PART_SIZE / 512 - PartStartSector;
464 VentoyFillLocation(DiskSizeBytes, PartStartSector, PartSectorCount, pMBR->PartTbl);
465
466 pMBR->PartTbl[0].Active = 0x80; // bootable
467 pMBR->PartTbl[0].FsFlag = 0x07; // exFAT/NTFS/HPFS
468
469 //Part2
470 PartStartSector += PartSectorCount;
471 PartSectorCount = VENTOY_EFI_PART_SIZE / 512;
472 VentoyFillLocation(DiskSizeBytes, PartStartSector, PartSectorCount, pMBR->PartTbl + 1);
473
474 pMBR->PartTbl[1].Active = 0x00;
475 pMBR->PartTbl[1].FsFlag = 0xEF; // EFI System Partition
476
477 pMBR->Byte55 = 0x55;
478 pMBR->ByteAA = 0xAA;
479
480 return 0;
481 }
482
483 CHAR GetFirstUnusedDriveLetter(void)
484 {
485 CHAR Letter = 'D';
486 DWORD Drives = GetLogicalDrives();
487
488 Drives >>= 3;
489 while (Drives & 0x1)
490 {
491 Letter++;
492 Drives >>= 1;
493 }
494
495 return Letter;
496 }
497
498 const CHAR * GetBusTypeString(STORAGE_BUS_TYPE Type)
499 {
500 switch (Type)
501 {
502 case BusTypeUnknown: return "unknown";
503 case BusTypeScsi: return "SCSI";
504 case BusTypeAtapi: return "Atapi";
505 case BusTypeAta: return "ATA";
506 case BusType1394: return "1394";
507 case BusTypeSsa: return "SSA";
508 case BusTypeFibre: return "Fibre";
509 case BusTypeUsb: return "USB";
510 case BusTypeRAID: return "RAID";
511 case BusTypeiScsi: return "iSCSI";
512 case BusTypeSas: return "SAS";
513 case BusTypeSata: return "SATA";
514 case BusTypeSd: return "SD";
515 case BusTypeMmc: return "MMC";
516 case BusTypeVirtual: return "Virtual";
517 case BusTypeFileBackedVirtual: return "FileBackedVirtual";
518 case BusTypeSpaces: return "Spaces";
519 case BusTypeNvme: return "Nvme";
520 }
521 return "unknown";
522 }
523
524 int VentoyGetLocalBootImg(MBR_HEAD *pMBR)
525 {
526 int Len = 0;
527 BYTE *ImgBuf = NULL;
528 static int Loaded = 0;
529 static MBR_HEAD MBR;
530
531 if (Loaded)
532 {
533 memcpy(pMBR, &MBR, 512);
534 return 0;
535 }
536
537 if (0 == ReadWholeFileToBuf(VENTOY_FILE_BOOT_IMG, 0, (void **)&ImgBuf, &Len))
538 {
539 Log("Copy boot img success");
540 memcpy(pMBR, ImgBuf, 512);
541 free(ImgBuf);
542
543 CoCreateGuid((GUID *)(pMBR->BootCode + 0x180));
544
545 memcpy(&MBR, pMBR, 512);
546 Loaded = 1;
547
548 return 0;
549 }
550 else
551 {
552 Log("Copy boot img failed");
553 return 1;
554 }
555 }
556
557 int GetHumanReadableGBSize(UINT64 SizeBytes)
558 {
559 int i;
560 int Pow2 = 1;
561 double Delta;
562 double GB = SizeBytes * 1.0 / 1000 / 1000 / 1000;
563
564 for (i = 0; i < 12; i++)
565 {
566 if (Pow2 > GB)
567 {
568 Delta = (Pow2 - GB) / Pow2;
569 }
570 else
571 {
572 Delta = (GB - Pow2) / Pow2;
573 }
574
575 if (Delta < 0.05)
576 {
577 return Pow2;
578 }
579
580 Pow2 <<= 1;
581 }
582
583 return (int)GB;
584 }
585
586 void TrimString(CHAR *String)
587 {
588 CHAR *Pos1 = String;
589 CHAR *Pos2 = String;
590 size_t Len = strlen(String);
591
592 while (Len > 0)
593 {
594 if (String[Len - 1] != ' ' && String[Len - 1] != '\t')
595 {
596 break;
597 }
598 String[Len - 1] = 0;
599 Len--;
600 }
601
602 while (*Pos1 == ' ' || *Pos1 == '\t')
603 {
604 Pos1++;
605 }
606
607 while (*Pos1)
608 {
609 *Pos2++ = *Pos1++;
610 }
611 *Pos2++ = 0;
612
613 return;
614 }
615
616 int GetRegDwordValue(HKEY Key, LPCSTR SubKey, LPCSTR ValueName, DWORD *pValue)
617 {
618 HKEY hKey;
619 DWORD Type;
620 DWORD Size;
621 LSTATUS lRet;
622 DWORD Value;
623
624 lRet = RegOpenKeyExA(Key, SubKey, 0, KEY_QUERY_VALUE, &hKey);
625 Log("RegOpenKeyExA <%s> Ret:%ld", SubKey, lRet);
626
627 if (ERROR_SUCCESS == lRet)
628 {
629 Size = sizeof(Value);
630 lRet = RegQueryValueExA(hKey, ValueName, NULL, &Type, (LPBYTE)&Value, &Size);
631 Log("RegQueryValueExA <%s> ret:%u Size:%u Value:%u", ValueName, lRet, Size, Value);
632
633 *pValue = Value;
634 RegCloseKey(hKey);
635
636 return 0;
637 }
638 else
639 {
640 return 1;
641 }
642 }
643
644 int GetPhysicalDriveCount(void)
645 {
646 DWORD Value;
647 int Count = 0;
648
649 if (GetRegDwordValue(HKEY_LOCAL_MACHINE, "SYSTEM\\CurrentControlSet\\Services\\disk\\Enum", "Count", &Value) == 0)
650 {
651 Count = (int)Value;
652 }
653
654 Log("GetPhysicalDriveCount: %d", Count);
655 return Count;
656 }
657
658
659