Files
reactos/base/system/diskpart/create.c
Eric Kohl d144fe350a [DISKPART] Refactor the GPT partition creation code
- Move common partition creation code to a separate function.
2026-02-15 16:26:08 +01:00

1101 lines
30 KiB
C

/*
* PROJECT: ReactOS DiskPart
* LICENSE: GPL - See COPYING in the top level directory
* FILE: base/system/diskpart/create.c
* PURPOSE: Manages all the partitions of the OS in an interactive way.
* PROGRAMMERS: Lee Schroeder
*/
#include "diskpart.h"
#define NDEBUG
#include <debug.h>
static
PPARTENTRY
InsertGptPartition(
_In_ PDISKENTRY pDisk,
_In_ ULONGLONG ullSectorSize,
_In_ const GUID *pPartitionType)
{
PPARTENTRY PartEntry, NewPartEntry;
PLIST_ENTRY ListEntry;
for (ListEntry = pDisk->PrimaryPartListHead.Flink;
ListEntry != &CurrentDisk->PrimaryPartListHead;
ListEntry = ListEntry->Flink)
{
PartEntry = CONTAINING_RECORD(ListEntry, PARTENTRY, ListEntry);
if (PartEntry->IsPartitioned)
continue;
if (ullSectorSize == 0ULL)
{
DPRINT("Claim whole unused space!\n");
PartEntry->IsPartitioned = TRUE;
PartEntry->New = TRUE;
CopyMemory(&PartEntry->Gpt.PartitionType, pPartitionType, sizeof(GUID));
CreateGUID(&PartEntry->Gpt.PartitionId);
PartEntry->Gpt.Attributes = 0ULL;
PartEntry->PartitionNumber = 0;
PartEntry->FormatState = Unformatted;
PartEntry->FileSystemName[0] = L'\0';
return PartEntry;
}
else
{
if (ullSectorSize == PartEntry->SectorCount.QuadPart)
{
DPRINT("Claim matching unused space!\n");
PartEntry->IsPartitioned = TRUE;
PartEntry->New = TRUE;
CopyMemory(&PartEntry->Gpt.PartitionType, pPartitionType, sizeof(GUID));
CreateGUID(&PartEntry->Gpt.PartitionId);
PartEntry->Gpt.Attributes = 0ULL;
PartEntry->PartitionNumber = 0;
PartEntry->FormatState = Unformatted;
PartEntry->FileSystemName[0] = L'\0';
return PartEntry;
}
else if (ullSectorSize < PartEntry->SectorCount.QuadPart)
{
DPRINT("Claim part of unused space\n");
NewPartEntry = RtlAllocateHeap(RtlGetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(PPARTENTRY));
if (NewPartEntry == NULL)
{
ConPuts(StdOut, L"Memory allocation failed!\n");
return NULL;
}
NewPartEntry->DiskEntry = PartEntry->DiskEntry;
NewPartEntry->StartSector.QuadPart = PartEntry->StartSector.QuadPart;
NewPartEntry->SectorCount.QuadPart = ullSectorSize;
NewPartEntry->LogicalPartition = FALSE;
NewPartEntry->IsPartitioned = TRUE;
NewPartEntry->New = TRUE;
CopyMemory(&NewPartEntry->Gpt.PartitionType, pPartitionType, sizeof(GUID));
CreateGUID(&NewPartEntry->Gpt.PartitionId);
NewPartEntry->Gpt.Attributes = 0ULL;
NewPartEntry->PartitionNumber = 0;
NewPartEntry->FormatState = Unformatted;
NewPartEntry->FileSystemName[0] = L'\0';
PartEntry->StartSector.QuadPart += ullSectorSize;
PartEntry->SectorCount.QuadPart -= ullSectorSize;
InsertTailList(ListEntry, &NewPartEntry->ListEntry);
return NewPartEntry;
}
}
}
return NULL;
}
EXIT_CODE
CreateEfiPartition(
_In_ INT argc,
_In_ PWSTR *argv)
{
PPARTENTRY PartEntry;
ULONGLONG ullSize = 0ULL;
ULONGLONG ullSectorCount;
#if 0
BOOL bNoErr = FALSE;
#endif
INT i;
PWSTR pszSuffix = NULL;
NTSTATUS Status;
DPRINT1("CreateEfiPartition()\n");
if (CurrentDisk == NULL)
{
ConResPuts(StdOut, IDS_SELECT_NO_DISK);
return EXIT_SUCCESS;
}
if (CurrentDisk->PartitionStyle != PARTITION_STYLE_GPT)
{
ConResPuts(StdOut, IDS_CREATE_PARTITION_INVALID_STYLE);
return EXIT_SUCCESS;
}
for (i = 3; i < argc; i++)
{
if (_wcsicmp(argv[i], L"noerr") == 0)
{
/* noerr */
DPRINT("NoErr\n", pszSuffix);
ConPuts(StdOut, L"The NOERR option is not supported yet!\n");
#if 0
bNoErr = TRUE;
#endif
}
}
for (i = 3; i < argc; i++)
{
if (HasPrefix(argv[i], L"size=", &pszSuffix))
{
/* size=<N> (MB) */
DPRINT("Size : %s\n", pszSuffix);
ullSize = _wcstoui64(pszSuffix, NULL, 10);
if ((ullSize == 0) && (errno == ERANGE))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
}
else if (HasPrefix(argv[i], L"offset=", &pszSuffix))
{
/* offset=<N> (KB) */
DPRINT("Offset : %s\n", pszSuffix);
ConPuts(StdOut, L"The OFFSET option is not supported yet!\n");
#if 0
ullOffset = _wcstoui64(pszSuffix, NULL, 10);
if ((ullOffset == 0) && (errno == ERANGE))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
#endif
}
else if (_wcsicmp(argv[i], L"noerr") == 0)
{
/* noerr - Already handled above */
}
else
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
}
DPRINT1("Size: %I64u\n", ullSize);
#if 0
DPRINT1("Offset: %I64u\n", ullOffset);
#endif
/* Size */
if (ullSize != 0)
ullSectorCount = (ullSize * 1024 * 1024) / CurrentDisk->BytesPerSector;
else
ullSectorCount = 0;
DPRINT1("SectorCount: %I64u\n", ullSectorCount);
#ifdef DUMP_PARTITION_LIST
DumpPartitionList(CurrentDisk);
#endif
PartEntry = InsertGptPartition(CurrentDisk,
ullSectorCount,
&PARTITION_SYSTEM_GUID);
if (PartEntry == FALSE)
{
ConResPuts(StdOut, IDS_CREATE_PARTITION_FAIL);
CurrentPartition = NULL;
return EXIT_SUCCESS;
}
CurrentPartition = PartEntry;
CurrentDisk->Dirty = TRUE;
#ifdef DUMP_PARTITION_LIST
DumpPartitionList(CurrentDisk);
#endif
UpdateGptDiskLayout(CurrentDisk, FALSE);
Status = WriteGptPartitions(CurrentDisk);
if (!NT_SUCCESS(Status))
{
ConResPuts(StdOut, IDS_CREATE_PARTITION_FAIL);
CurrentPartition = NULL;
return EXIT_SUCCESS;
}
ConResPuts(StdOut, IDS_CREATE_PARTITION_SUCCESS);
return EXIT_SUCCESS;
}
EXIT_CODE
CreateExtendedPartition(
_In_ INT argc,
_In_ PWSTR *argv)
{
PPARTENTRY PartEntry, NewPartEntry;
PLIST_ENTRY ListEntry;
ULONGLONG ullSize = 0ULL;
ULONGLONG ullSectorCount;
#if 0
ULONGLONG ullOffset = 0ULL;
BOOL bNoErr = FALSE;
#endif
INT i;
PWSTR pszSuffix = NULL;
NTSTATUS Status;
if (CurrentDisk == NULL)
{
ConResPuts(StdOut, IDS_SELECT_NO_DISK);
return EXIT_SUCCESS;
}
if (CurrentDisk->PartitionStyle == PARTITION_STYLE_GPT)
{
ConResPuts(StdOut, IDS_CREATE_PARTITION_INVALID_STYLE);
return EXIT_SUCCESS;
}
else if (CurrentDisk->PartitionStyle == PARTITION_STYLE_RAW)
{
CREATE_DISK DiskInfo;
NTSTATUS Status;
DiskInfo.PartitionStyle = PARTITION_STYLE_MBR;
CreateSignature(&DiskInfo.Mbr.Signature);
Status = CreateDisk(CurrentDisk->DiskNumber, &DiskInfo);
if (!NT_SUCCESS(Status))
{
DPRINT1("CreateDisk() failed!\n");
return EXIT_SUCCESS;
}
CurrentDisk->StartSector.QuadPart = (ULONGLONG)CurrentDisk->SectorAlignment;
CurrentDisk->EndSector.QuadPart = min(CurrentDisk->SectorCount.QuadPart, 0x100000000) - 1;
ScanForUnpartitionedMbrDiskSpace(CurrentDisk);
}
for (i = 3; i < argc; i++)
{
if (_wcsicmp(argv[i], L"noerr") == 0)
{
/* noerr */
DPRINT("NoErr\n", pszSuffix);
ConPuts(StdOut, L"The NOERR option is not supported yet!\n");
#if 0
bNoErr = TRUE;
#endif
}
}
for (i = 3; i < argc; i++)
{
if (HasPrefix(argv[i], L"size=", &pszSuffix))
{
/* size=<N> (MB) */
DPRINT("Size : %s\n", pszSuffix);
ullSize = _wcstoui64(pszSuffix, NULL, 10);
if ((ullSize == 0) && (errno == ERANGE))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
}
else if (HasPrefix(argv[i], L"offset=", &pszSuffix))
{
/* offset=<N> (KB) */
DPRINT("Offset : %s\n", pszSuffix);
ConPuts(StdOut, L"The OFFSET option is not supported yet!\n");
#if 0
ullOffset = _wcstoui64(pszSuffix, NULL, 10);
if ((ullOffset == 0) && (errno == ERANGE))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
#endif
}
else if (HasPrefix(argv[i], L"align=", &pszSuffix))
{
/* align=<N> */
DPRINT("Align : %s\n", pszSuffix);
ConPuts(StdOut, L"The ALIGN option is not supported yet!\n");
#if 0
bAlign = TRUE;
#endif
}
else if (_wcsicmp(argv[i], L"noerr") == 0)
{
/* noerr - Already handled above */
}
else
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
}
DPRINT1("Size: %I64u\n", ullSize);
#if 0
DPRINT1("Offset: %I64u\n", ullOffset);
#endif
if (GetPrimaryPartitionCount(CurrentDisk) >= 4)
{
ConPuts(StdOut, L"No space left for an extended partition!\n");
return EXIT_SUCCESS;
}
if (CurrentDisk->ExtendedPartition != NULL)
{
ConPuts(StdOut, L"We already have an extended partition on this disk!\n");
return EXIT_SUCCESS;
}
if (ullSize != 0)
ullSectorCount = (ullSize * 1024 * 1024) / CurrentDisk->BytesPerSector;
else
ullSectorCount = 0;
DPRINT1("SectorCount: %I64u\n", ullSectorCount);
ListEntry = CurrentDisk->PrimaryPartListHead.Blink;
PartEntry = CONTAINING_RECORD(ListEntry, PARTENTRY, ListEntry);
if (PartEntry->IsPartitioned)
{
ConPuts(StdOut, L"No disk space left for an extended partition!\n");
return EXIT_SUCCESS;
}
if (ullSectorCount == 0)
{
PartEntry->IsPartitioned = TRUE;
PartEntry->New = TRUE;
PartEntry->Mbr.PartitionType = PARTITION_EXTENDED;
PartEntry->FormatState = Unformatted;
PartEntry->FileSystemName[0] = L'\0';
CurrentPartition = PartEntry;
CurrentDisk->Dirty = TRUE;
}
else
{
if (PartEntry->SectorCount.QuadPart == ullSectorCount)
{
PartEntry->IsPartitioned = TRUE;
PartEntry->New = TRUE;
PartEntry->Mbr.PartitionType = PARTITION_EXTENDED;
PartEntry->FormatState = Unformatted;
PartEntry->FileSystemName[0] = L'\0';
CurrentPartition = PartEntry;
CurrentDisk->Dirty = TRUE;
}
else if (PartEntry->SectorCount.QuadPart > ullSectorCount)
{
NewPartEntry = RtlAllocateHeap(RtlGetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(PPARTENTRY));
if (NewPartEntry == NULL)
{
ConPuts(StdOut, L"Memory allocation failed!\n");
return TRUE;
}
NewPartEntry->DiskEntry = PartEntry->DiskEntry;
NewPartEntry->StartSector.QuadPart = PartEntry->StartSector.QuadPart;
NewPartEntry->SectorCount.QuadPart = ullSectorCount;
NewPartEntry->LogicalPartition = FALSE;
NewPartEntry->IsPartitioned = TRUE;
NewPartEntry->New = TRUE;
NewPartEntry->Mbr.PartitionType = PARTITION_EXTENDED;
NewPartEntry->FormatState = Unformatted;
NewPartEntry->FileSystemName[0] = L'\0';
PartEntry->StartSector.QuadPart += ullSectorCount;
PartEntry->SectorCount.QuadPart -= ullSectorCount;
InsertTailList(ListEntry, &NewPartEntry->ListEntry);
CurrentPartition = NewPartEntry;
CurrentDisk->Dirty = TRUE;
}
}
UpdateMbrDiskLayout(CurrentDisk);
Status = WriteMbrPartitions(CurrentDisk);
if (!NT_SUCCESS(Status))
{
ConResPuts(StdOut, IDS_CREATE_PARTITION_FAIL);
CurrentPartition = NULL;
return EXIT_SUCCESS;
}
ConResPuts(StdOut, IDS_CREATE_PARTITION_SUCCESS);
return EXIT_SUCCESS;
}
EXIT_CODE
CreateLogicalPartition(
_In_ INT argc,
_In_ PWSTR *argv)
{
PPARTENTRY PartEntry, NewPartEntry;
PLIST_ENTRY ListEntry;
ULONGLONG ullSize = 0ULL;
ULONGLONG ullSectorCount;
#if 0
ULONGLONG ullOffset = 0ULL;
BOOL bNoErr = FALSE;
#endif
UCHAR PartitionType = PARTITION_HUGE;
INT i, length;
PWSTR pszSuffix = NULL;
NTSTATUS Status;
if (CurrentDisk == NULL)
{
ConResPuts(StdOut, IDS_SELECT_NO_DISK);
return EXIT_SUCCESS;
}
if (CurrentDisk->PartitionStyle != PARTITION_STYLE_MBR)
{
ConResPuts(StdOut, IDS_CREATE_PARTITION_INVALID_STYLE);
return EXIT_SUCCESS;
}
for (i = 3; i < argc; i++)
{
if (_wcsicmp(argv[i], L"noerr") == 0)
{
/* noerr */
DPRINT("NoErr\n", pszSuffix);
ConPuts(StdOut, L"The NOERR option is not supported yet!\n");
#if 0
bNoErr = TRUE;
#endif
}
}
for (i = 3; i < argc; i++)
{
if (HasPrefix(argv[i], L"size=", &pszSuffix))
{
/* size=<N> (MB) */
DPRINT("Size : %s\n", pszSuffix);
ullSize = _wcstoui64(pszSuffix, NULL, 10);
if ((ullSize == 0) && (errno == ERANGE))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
}
else if (HasPrefix(argv[i], L"offset=", &pszSuffix))
{
/* offset=<N> (KB) */
DPRINT("Offset : %s\n", pszSuffix);
ConPuts(StdOut, L"The OFFSET option is not supported yet!\n");
#if 0
ullOffset = _wcstoui64(pszSuffix, NULL, 10);
if ((ullOffset == 0) && (errno == ERANGE))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
#endif
}
else if (HasPrefix(argv[i], L"id=", &pszSuffix))
{
/* id=<Byte> */
DPRINT("Id : %s\n", pszSuffix);
length = wcslen(pszSuffix);
if ((length == 1) || (length == 2))
{
/* Byte */
PartitionType = (UCHAR)wcstoul(pszSuffix, NULL, 16);
if ((PartitionType == 0) && (errno == ERANGE))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
}
else
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
}
else if (HasPrefix(argv[i], L"align=", &pszSuffix))
{
/* align=<N> */
DPRINT("Align : %s\n", pszSuffix);
ConPuts(StdOut, L"The ALIGN option is not supported yet!\n");
#if 0
bAlign = TRUE;
#endif
}
else if (_wcsicmp(argv[i], L"noerr") == 0)
{
/* noerr - Already handled above */
}
else
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
}
DPRINT1("Size: %I64u\n", ullSize);
#if 0
DPRINT1("Offset: %I64u\n", ullOffset);
#endif
DPRINT1("Partition Type: %hx\n", PartitionType);
if (ullSize != 0)
ullSectorCount = (ullSize * 1024 * 1024) / CurrentDisk->BytesPerSector;
else
ullSectorCount = 0;
DPRINT1("SectorCount: %I64u\n", ullSectorCount);
for (ListEntry = CurrentDisk->LogicalPartListHead.Flink;
ListEntry != &CurrentDisk->LogicalPartListHead;
ListEntry = ListEntry->Flink)
{
PartEntry = CONTAINING_RECORD(ListEntry, PARTENTRY, ListEntry);
if (PartEntry->IsPartitioned)
continue;
if (ullSectorCount == 0)
{
PartEntry->IsPartitioned = TRUE;
PartEntry->New = TRUE;
PartEntry->Mbr.PartitionType = PartitionType;
PartEntry->FormatState = Unformatted;
PartEntry->FileSystemName[0] = L'\0';
CurrentPartition = PartEntry;
CurrentDisk->Dirty = TRUE;
break;
}
else
{
if (PartEntry->SectorCount.QuadPart == ullSectorCount)
{
PartEntry->IsPartitioned = TRUE;
PartEntry->New = TRUE;
PartEntry->Mbr.PartitionType = PartitionType;
PartEntry->FormatState = Unformatted;
PartEntry->FileSystemName[0] = L'\0';
CurrentPartition = PartEntry;
CurrentDisk->Dirty = TRUE;
break;
}
else if (PartEntry->SectorCount.QuadPart > ullSectorCount)
{
NewPartEntry = RtlAllocateHeap(RtlGetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(PPARTENTRY));
if (NewPartEntry == NULL)
{
ConPuts(StdOut, L"Memory allocation failed!\n");
return TRUE;
}
NewPartEntry->DiskEntry = PartEntry->DiskEntry;
NewPartEntry->StartSector.QuadPart = PartEntry->StartSector.QuadPart;
NewPartEntry->SectorCount.QuadPart = ullSectorCount;
NewPartEntry->LogicalPartition = TRUE;
NewPartEntry->IsPartitioned = TRUE;
NewPartEntry->New = TRUE;
NewPartEntry->Mbr.PartitionType = PartitionType;
NewPartEntry->FormatState = Unformatted;
NewPartEntry->FileSystemName[0] = L'\0';
PartEntry->StartSector.QuadPart += ullSectorCount;
PartEntry->SectorCount.QuadPart -= ullSectorCount;
InsertTailList(ListEntry, &NewPartEntry->ListEntry);
CurrentPartition = NewPartEntry;
CurrentDisk->Dirty = TRUE;
break;
}
}
}
UpdateMbrDiskLayout(CurrentDisk);
Status = WriteMbrPartitions(CurrentDisk);
if (!NT_SUCCESS(Status))
{
ConResPuts(StdOut, IDS_CREATE_PARTITION_FAIL);
CurrentPartition = NULL;
return EXIT_SUCCESS;
}
ConResPuts(StdOut, IDS_CREATE_PARTITION_SUCCESS);
return EXIT_SUCCESS;
}
EXIT_CODE
CreateMsrPartition(
_In_ INT argc,
_In_ PWSTR *argv)
{
PPARTENTRY PartEntry;
ULONGLONG ullSize = 0ULL;
ULONGLONG ullSectorSize;
#if 0
BOOL bNoErr = FALSE;
#endif
INT i;
PWSTR pszSuffix = NULL;
NTSTATUS Status;
DPRINT1("CreateMsrPartition()\n");
if (CurrentDisk == NULL)
{
ConResPuts(StdOut, IDS_SELECT_NO_DISK);
return EXIT_SUCCESS;
}
if (CurrentDisk->PartitionStyle != PARTITION_STYLE_GPT)
{
ConResPuts(StdOut, IDS_CREATE_PARTITION_INVALID_STYLE);
return EXIT_SUCCESS;
}
for (i = 3; i < argc; i++)
{
if (_wcsicmp(argv[i], L"noerr") == 0)
{
/* noerr */
DPRINT("NoErr\n", pszSuffix);
ConPuts(StdOut, L"The NOERR option is not supported yet!\n");
#if 0
bNoErr = TRUE;
#endif
}
}
for (i = 3; i < argc; i++)
{
if (HasPrefix(argv[i], L"size=", &pszSuffix))
{
/* size=<N> (MB) */
DPRINT("Size : %s\n", pszSuffix);
ullSize = _wcstoui64(pszSuffix, NULL, 10);
if ((ullSize == 0) && (errno == ERANGE))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
}
else if (HasPrefix(argv[i], L"offset=", &pszSuffix))
{
/* offset=<N> (KB) */
DPRINT("Offset : %s\n", pszSuffix);
ConPuts(StdOut, L"The OFFSET option is not supported yet!\n");
#if 0
ullOffset = _wcstoui64(pszSuffix, NULL, 10);
if ((ullOffset == 0) && (errno == ERANGE))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
#endif
}
else if (_wcsicmp(argv[i], L"noerr") == 0)
{
/* noerr - Already handled above */
}
else
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
}
DPRINT1("Size: %I64u\n", ullSize);
#if 0
DPRINT1("Offset: %I64u\n", ullOffset);
#endif
/* Size */
if (ullSize != 0)
ullSectorSize = (ullSize * 1024 * 1024) / CurrentDisk->BytesPerSector;
else
ullSectorSize = 0;
DPRINT1("SectorSize: %I64u\n", ullSectorSize);
#ifdef DUMP_PARTITION_LIST
DumpPartitionList(CurrentDisk);
#endif
PartEntry = InsertGptPartition(CurrentDisk,
ullSectorSize,
&PARTITION_MSFT_RESERVED_GUID);
if (PartEntry == FALSE)
{
ConResPuts(StdOut, IDS_CREATE_PARTITION_FAIL);
CurrentPartition = NULL;
return EXIT_SUCCESS;
}
CurrentPartition = PartEntry;
CurrentDisk->Dirty = TRUE;
#ifdef DUMP_PARTITION_LIST
DumpPartitionList(CurrentDisk);
#endif
UpdateGptDiskLayout(CurrentDisk, FALSE);
Status = WriteGptPartitions(CurrentDisk);
if (!NT_SUCCESS(Status))
{
ConResPuts(StdOut, IDS_CREATE_PARTITION_FAIL);
CurrentPartition = NULL;
return EXIT_SUCCESS;
}
ConResPuts(StdOut, IDS_CREATE_PARTITION_SUCCESS);
return EXIT_SUCCESS;
}
static
VOID
CreatePrimaryMbrPartition(
_In_ ULONGLONG ullSize,
_In_ PWSTR pszPartitionType)
{
PPARTENTRY PartEntry, NewPartEntry;
PLIST_ENTRY ListEntry;
ULONGLONG ullSectorCount;
UCHAR PartitionType;
INT length;
NTSTATUS Status;
if (pszPartitionType)
{
length = wcslen(pszPartitionType);
if ((length != 1) && (length != 2))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return;
}
PartitionType = (UCHAR)wcstoul(pszPartitionType, NULL, 16);
if ((PartitionType == 0) && (errno == ERANGE))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return;
}
}
else
{
PartitionType = PARTITION_HUGE;
}
if (GetPrimaryPartitionCount(CurrentDisk) >= 4)
{
ConPuts(StdOut, L"No space left for another primary partition!\n");
return;
}
if (ullSize != 0)
ullSectorCount = (ullSize * 1024 * 1024) / CurrentDisk->BytesPerSector;
else
ullSectorCount = 0;
DPRINT1("SectorCount: %I64u\n", ullSectorCount);
for (ListEntry = CurrentDisk->PrimaryPartListHead.Flink;
ListEntry != &CurrentDisk->PrimaryPartListHead;
ListEntry = ListEntry->Flink)
{
PartEntry = CONTAINING_RECORD(ListEntry, PARTENTRY, ListEntry);
if (PartEntry->IsPartitioned)
continue;
if (ullSectorCount == 0)
{
PartEntry->IsPartitioned = TRUE;
PartEntry->New = TRUE;
PartEntry->Mbr.PartitionType = PartitionType;
PartEntry->FormatState = Unformatted;
PartEntry->FileSystemName[0] = L'\0';
CurrentPartition = PartEntry;
CurrentDisk->Dirty = TRUE;
break;
}
else
{
if (PartEntry->SectorCount.QuadPart == ullSectorCount)
{
PartEntry->IsPartitioned = TRUE;
PartEntry->New = TRUE;
PartEntry->Mbr.PartitionType = PartitionType;
PartEntry->FormatState = Unformatted;
PartEntry->FileSystemName[0] = L'\0';
CurrentPartition = PartEntry;
CurrentDisk->Dirty = TRUE;
break;
}
else if (PartEntry->SectorCount.QuadPart > ullSectorCount)
{
NewPartEntry = RtlAllocateHeap(RtlGetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(PPARTENTRY));
if (NewPartEntry == NULL)
{
ConPuts(StdOut, L"Memory allocation failed!\n");
return;
}
NewPartEntry->DiskEntry = PartEntry->DiskEntry;
NewPartEntry->StartSector.QuadPart = PartEntry->StartSector.QuadPart;
NewPartEntry->SectorCount.QuadPart = ullSectorCount;
NewPartEntry->LogicalPartition = FALSE;
NewPartEntry->IsPartitioned = TRUE;
NewPartEntry->New = TRUE;
NewPartEntry->Mbr.PartitionType = PartitionType;
NewPartEntry->FormatState = Unformatted;
NewPartEntry->FileSystemName[0] = L'\0';
PartEntry->StartSector.QuadPart += ullSectorCount;
PartEntry->SectorCount.QuadPart -= ullSectorCount;
InsertTailList(ListEntry, &NewPartEntry->ListEntry);
CurrentPartition = NewPartEntry;
CurrentDisk->Dirty = TRUE;
break;
}
}
}
UpdateMbrDiskLayout(CurrentDisk);
Status = WriteMbrPartitions(CurrentDisk);
if (!NT_SUCCESS(Status))
{
ConResPuts(StdOut, IDS_CREATE_PARTITION_FAIL);
CurrentPartition = NULL;
return;
}
ConResPuts(StdOut, IDS_CREATE_PARTITION_SUCCESS);
}
static
VOID
CreatePrimaryGptPartition(
_In_ ULONGLONG ullSize,
_In_ PWSTR pszPartitionType)
{
PPARTENTRY PartEntry;
ULONGLONG ullSectorCount;
GUID guidPartitionType;
NTSTATUS Status;
/* Partition Type */
if (pszPartitionType)
{
if (!StringToGUID(&guidPartitionType, pszPartitionType))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return;
}
}
else
{
CopyMemory(&guidPartitionType, &PARTITION_BASIC_DATA_GUID, sizeof(GUID));
}
/* Size */
if (ullSize != 0)
ullSectorCount = (ullSize * 1024 * 1024) / CurrentDisk->BytesPerSector;
else
ullSectorCount = 0;
DPRINT1("SectorCount: %I64u\n", ullSectorCount);
#ifdef DUMP_PARTITION_LIST
DumpPartitionList(CurrentDisk);
#endif
PartEntry = InsertGptPartition(CurrentDisk,
ullSectorCount,
&guidPartitionType);
if (PartEntry == FALSE)
{
ConResPuts(StdOut, IDS_CREATE_PARTITION_FAIL);
CurrentPartition = NULL;
return;
}
CurrentPartition = PartEntry;
CurrentDisk->Dirty = TRUE;
#ifdef DUMP_PARTITION_LIST
DumpPartitionList(CurrentDisk);
#endif
UpdateGptDiskLayout(CurrentDisk, FALSE);
Status = WriteGptPartitions(CurrentDisk);
if (!NT_SUCCESS(Status))
{
ConResPuts(StdOut, IDS_CREATE_PARTITION_FAIL);
CurrentPartition = NULL;
return;
}
ConResPuts(StdOut, IDS_CREATE_PARTITION_SUCCESS);
}
EXIT_CODE
CreatePrimaryPartition(
_In_ INT argc,
_In_ PWSTR *argv)
{
ULONGLONG ullSize = 0ULL;
#if 0
ULONGLONG ullOffset = 0ULL;
BOOL bNoErr = FALSE;
#endif
INT i;
PWSTR pszSuffix = NULL;
PWSTR pszPartitionType = NULL;
if (CurrentDisk == NULL)
{
ConResPuts(StdOut, IDS_SELECT_NO_DISK);
return EXIT_SUCCESS;
}
if (CurrentDisk->PartitionStyle == PARTITION_STYLE_RAW)
{
CREATE_DISK DiskInfo;
NTSTATUS Status;
DiskInfo.PartitionStyle = PARTITION_STYLE_MBR;
CreateSignature(&DiskInfo.Mbr.Signature);
Status = CreateDisk(CurrentDisk->DiskNumber, &DiskInfo);
if (!NT_SUCCESS(Status))
{
DPRINT1("CreateDisk() failed!\n");
return EXIT_SUCCESS;
}
CurrentDisk->StartSector.QuadPart = (ULONGLONG)CurrentDisk->SectorAlignment;
CurrentDisk->EndSector.QuadPart = min(CurrentDisk->SectorCount.QuadPart, 0x100000000) - 1;
ScanForUnpartitionedMbrDiskSpace(CurrentDisk);
}
for (i = 3; i < argc; i++)
{
if (_wcsicmp(argv[i], L"noerr") == 0)
{
/* noerr */
DPRINT("NoErr\n", pszSuffix);
ConPuts(StdOut, L"The NOERR option is not supported yet!\n");
#if 0
bNoErr = TRUE;
#endif
}
}
for (i = 3; i < argc; i++)
{
if (HasPrefix(argv[i], L"size=", &pszSuffix))
{
/* size=<N> (MB) */
DPRINT("Size : %s\n", pszSuffix);
ullSize = _wcstoui64(pszSuffix, NULL, 10);
if ((ullSize == 0) && (errno == ERANGE))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
}
else if (HasPrefix(argv[i], L"offset=", &pszSuffix))
{
/* offset=<N> (KB) */
DPRINT("Offset : %s\n", pszSuffix);
ConPuts(StdOut, L"The OFFSET option is not supported yet!\n");
#if 0
ullOffset = _wcstoui64(pszSuffix, NULL, 10);
if ((ullOffset == 0) && (errno == ERANGE))
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
#endif
}
else if (HasPrefix(argv[i], L"id=", &pszSuffix))
{
/* id=<Byte>|<GUID> */
DPRINT("Id : %s\n", pszSuffix);
pszPartitionType = pszSuffix;
}
else if (HasPrefix(argv[i], L"align=", &pszSuffix))
{
/* align=<N> */
DPRINT("Align : %s\n", pszSuffix);
ConPuts(StdOut, L"The ALIGN option is not supported yet!\n");
#if 0
bAlign = TRUE;
#endif
}
else if (_wcsicmp(argv[i], L"noerr") == 0)
{
/* noerr - Alread handled above */
}
else
{
ConResPuts(StdErr, IDS_ERROR_INVALID_ARGS);
return EXIT_SUCCESS;
}
}
DPRINT("Size: %I64u\n", ullSize);
#if 0
DPRINT1("Offset: %I64u\n", ullOffset);
#endif
if (CurrentDisk->PartitionStyle == PARTITION_STYLE_MBR)
{
DPRINT("Partition Type: %s\n", pszPartitionType);
CreatePrimaryMbrPartition(ullSize, pszPartitionType);
}
else if (CurrentDisk->PartitionStyle == PARTITION_STYLE_GPT)
{
CreatePrimaryGptPartition(ullSize, pszPartitionType);
}
return EXIT_SUCCESS;
}