[core] improve handling of DD images and formatting task order

* Add logic to mount/remount a DD image if it contains a partition we can handle
* Clear GPT structures before copying DD image in case it doesn't overwrites them
* Add a call to refresh the drive layout after copying a DD image
* Move the unlocking of logical drive further down. This may help with the
  infamous "device in use by another process" error.
This commit is contained in:
Pete Batard 2014-08-07 01:45:46 +01:00
parent f6ab32c95d
commit 79a871be63
6 changed files with 99 additions and 60 deletions

View file

@ -37,14 +37,16 @@
#include "ntfs.h"
#include "localization.h"
#if !defined(PARTITION_BASIC_DATA_GUID)
const GUID PARTITION_BASIC_DATA_GUID =
{ 0xebd0a0a2, 0xb9e5, 0x4433, {0x87, 0xc0, 0x68, 0xb6, 0xb7, 0x26, 0x99, 0xc7} };
#endif
/*
* Globals
*/
RUFUS_DRIVE_INFO SelectedDrive;
// TODO: add a DetectSectorSize()?
// http://msdn.microsoft.com/en-us/library/ff800831.aspx
/*
* Working with drive indexes quite risky (left unchecked,inadvertently passing 0 as
* index would return a handle to C:, which we might then proceed to unknowingly
@ -78,7 +80,7 @@ static HANDLE GetHandle(char* Path, BOOL bWriteAccess, BOOL bLockDrive)
}
if (bWriteAccess) {
uprintf("Caution: Opened drive %s for write access\n", Path);
uprintf("Opened drive %s for write access\n", Path);
}
if (bLockDrive) {
@ -136,7 +138,6 @@ HANDLE GetPhysicalHandle(DWORD DriveIndex, BOOL bWriteAccess, BOOL bLockDrive)
* The returned string is allocated and must be freed
* TODO: a drive may have multiple volumes - should we handle those?
*/
#define suprintf(...) if (!bSilent) uprintf(__VA_ARGS__)
char* GetLogicalName(DWORD DriveIndex, BOOL bKeepTrailingBackslash, BOOL bSilent)
{
BOOL success = FALSE;
@ -585,10 +586,13 @@ BOOL AnalyzePBR(HANDLE hLogicalVolume)
/*
* Fill the drive properties (size, FS, etc)
* Returns TRUE if the drive has a partition that can be mounted in Windows, FALSE otherwise
*/
int GetDrivePartitionData(DWORD DriveIndex, char* FileSystemName, DWORD FileSystemNameSize)
BOOL GetDrivePartitionData(DWORD DriveIndex, char* FileSystemName, DWORD FileSystemNameSize, BOOL bSilent)
{
BOOL r, hasRufusExtra = FALSE;
// MBR partition types that can be mounted in Windows
const uint8_t mbr_mountable[] = { 0x01, 0x04, 0x06, 0x07, 0x0b, 0x0c, 0x0e, 0xef };
BOOL r, hasRufusExtra = FALSE, ret = FALSE;
HANDLE hPhysical;
DWORD size;
BYTE geometry[256], layout[4096], part_type;
@ -596,13 +600,14 @@ int GetDrivePartitionData(DWORD DriveIndex, char* FileSystemName, DWORD FileSyst
PDRIVE_LAYOUT_INFORMATION_EX DriveLayout = (PDRIVE_LAYOUT_INFORMATION_EX)(void*)layout;
char* volume_name;
char tmp[256];
DWORD i, nb_partitions = 0;
DWORD i, j;
SelectedDrive.nPartitions = 0;
// Populate the filesystem data
FileSystemName[0] = 0;
volume_name = GetLogicalName(DriveIndex, TRUE, FALSE);
if ((volume_name == NULL) || (!GetVolumeInformationA(volume_name, NULL, 0, NULL, NULL, NULL, FileSystemName, FileSystemNameSize))) {
uprintf("No volume information for drive 0x%02x\n", DriveIndex);
suprintf("No volume information for drive 0x%02x\n", DriveIndex);
}
safe_free(volume_name);
@ -613,26 +618,26 @@ int GetDrivePartitionData(DWORD DriveIndex, char* FileSystemName, DWORD FileSyst
r = DeviceIoControl(hPhysical, IOCTL_DISK_GET_DRIVE_GEOMETRY_EX,
NULL, 0, geometry, sizeof(geometry), &size, NULL);
if (!r || size <= 0) {
uprintf("Could not get geometry for drive 0x%02x: %s\n", DriveIndex, WindowsErrorString());
suprintf("Could not get geometry for drive 0x%02x: %s\n", DriveIndex, WindowsErrorString());
safe_closehandle(hPhysical);
return 0;
}
if (DiskGeometry->Geometry.BytesPerSector < 512) {
uprintf("WARNING: Drive 0x%02x reports a sector size of %d - Correcting to 512 bytes.\n",
suprintf("WARNING: Drive 0x%02x reports a sector size of %d - Correcting to 512 bytes.\n",
DriveIndex, DiskGeometry->Geometry.BytesPerSector);
DiskGeometry->Geometry.BytesPerSector = 512;
}
SelectedDrive.DiskSize = DiskGeometry->DiskSize.QuadPart;
memcpy(&SelectedDrive.Geometry, &DiskGeometry->Geometry, sizeof(DISK_GEOMETRY));
uprintf("Disk type: %s, Sector Size: %d bytes\n", (DiskGeometry->Geometry.MediaType == FixedMedia)?"Fixed":"Removable",
suprintf("Disk type: %s, Sector Size: %d bytes\n", (DiskGeometry->Geometry.MediaType == FixedMedia)?"Fixed":"Removable",
DiskGeometry->Geometry.BytesPerSector);
uprintf("Cylinders: %lld, TracksPerCylinder: %d, SectorsPerTrack: %d\n",
suprintf("Cylinders: %lld, TracksPerCylinder: %d, SectorsPerTrack: %d\n",
DiskGeometry->Geometry.Cylinders, DiskGeometry->Geometry.TracksPerCylinder, DiskGeometry->Geometry.SectorsPerTrack);
r = DeviceIoControl(hPhysical, IOCTL_DISK_GET_DRIVE_LAYOUT_EX,
NULL, 0, layout, sizeof(layout), &size, NULL );
if (!r || size <= 0) {
uprintf("Could not get layout for drive 0x%02x: %s\n", DriveIndex, WindowsErrorString());
suprintf("Could not get layout for drive 0x%02x: %s\n", DriveIndex, WindowsErrorString());
safe_closehandle(hPhysical);
return 0;
}
@ -642,18 +647,24 @@ int GetDrivePartitionData(DWORD DriveIndex, char* FileSystemName, DWORD FileSyst
SelectedDrive.PartitionType = PARTITION_STYLE_MBR;
for (i=0; i<DriveLayout->PartitionCount; i++) {
if (DriveLayout->PartitionEntry[i].Mbr.PartitionType != PARTITION_ENTRY_UNUSED) {
nb_partitions++;
SelectedDrive.nPartitions++;
}
}
uprintf("Partition type: MBR, NB Partitions: %d\n", nb_partitions);
suprintf("Partition type: MBR, NB Partitions: %d\n", SelectedDrive.nPartitions);
SelectedDrive.has_mbr_uefi_marker = (DriveLayout->Mbr.Signature == MBR_UEFI_MARKER);
uprintf("Disk ID: 0x%08X %s\n", DriveLayout->Mbr.Signature, SelectedDrive.has_mbr_uefi_marker?"(UEFI target)":"");
suprintf("Disk ID: 0x%08X %s\n", DriveLayout->Mbr.Signature, SelectedDrive.has_mbr_uefi_marker?"(UEFI target)":"");
AnalyzeMBR(hPhysical, "Drive");
for (i=0; i<DriveLayout->PartitionCount; i++) {
if (DriveLayout->PartitionEntry[i].Mbr.PartitionType != PARTITION_ENTRY_UNUSED) {
uprintf("Partition %d:\n", i+1);
suprintf("Partition %d:\n", i+1);
part_type = DriveLayout->PartitionEntry[i].Mbr.PartitionType;
uprintf(" Type: %s (0x%02x)\r\n Size: %s (%lld bytes)\r\n Start Sector: %d, Boot: %s, Recognized: %s\n",
for (j=0; j<ARRAYSIZE(mbr_mountable); j++) {
if (part_type == mbr_mountable[j]) {
ret = TRUE;
break;
}
}
suprintf(" Type: %s (0x%02x)\r\n Size: %s (%lld bytes)\r\n Start Sector: %d, Boot: %s, Recognized: %s\n",
((part_type==0x07)&&(FileSystemName[0]!=0))?FileSystemName:GetPartitionType(part_type), part_type,
SizeToHumanReadable(DriveLayout->PartitionEntry[i].PartitionLength.QuadPart, TRUE, FALSE),
DriveLayout->PartitionEntry[i].PartitionLength, DriveLayout->PartitionEntry[i].Mbr.HiddenSectors,
@ -668,32 +679,35 @@ int GetDrivePartitionData(DWORD DriveIndex, char* FileSystemName, DWORD FileSyst
break;
case PARTITION_STYLE_GPT:
SelectedDrive.PartitionType = PARTITION_STYLE_GPT;
uprintf("Partition type: GPT, NB Partitions: %d\n", DriveLayout->PartitionCount);
uprintf("Disk GUID: %s\n", GuidToString(&DriveLayout->Gpt.DiskId));
uprintf("Max parts: %d, Start Offset: %lld, Usable = %lld bytes\n",
suprintf("Partition type: GPT, NB Partitions: %d\n", DriveLayout->PartitionCount);
suprintf("Disk GUID: %s\n", GuidToString(&DriveLayout->Gpt.DiskId));
suprintf("Max parts: %d, Start Offset: %lld, Usable = %lld bytes\n",
DriveLayout->Gpt.MaxPartitionCount, DriveLayout->Gpt.StartingUsableOffset.QuadPart, DriveLayout->Gpt.UsableLength.QuadPart);
for (i=0; i<DriveLayout->PartitionCount; i++) {
nb_partitions++;
SelectedDrive.nPartitions++;
tmp[0] = 0;
wchar_to_utf8_no_alloc(DriveLayout->PartitionEntry[i].Gpt.Name, tmp, sizeof(tmp));
uprintf("Partition %d:\r\n Type: %s\r\n Name: '%s'\n", DriveLayout->PartitionEntry[i].PartitionNumber,
suprintf("Partition %d:\r\n Type: %s\r\n Name: '%s'\n", DriveLayout->PartitionEntry[i].PartitionNumber,
GuidToString(&DriveLayout->PartitionEntry[i].Gpt.PartitionType), tmp);
uprintf(" ID: %s\r\n Size: %s (%lld bytes)\r\n Start Sector: %lld, Attributes: 0x%016llX\n",
suprintf(" ID: %s\r\n Size: %s (%lld bytes)\r\n Start Sector: %lld, Attributes: 0x%016llX\n",
GuidToString(&DriveLayout->PartitionEntry[i].Gpt.PartitionId), SizeToHumanReadable(DriveLayout->PartitionEntry[i].PartitionLength.QuadPart, TRUE, FALSE),
DriveLayout->PartitionEntry[i].PartitionLength, DriveLayout->PartitionEntry[i].StartingOffset.QuadPart / DiskGeometry->Geometry.BytesPerSector,
DriveLayout->PartitionEntry[i].Gpt.Attributes);
if ( (memcmp(&PARTITION_BASIC_DATA_GUID, &DriveLayout->PartitionEntry[i].Gpt.PartitionType, sizeof(GUID)) == 0) &&
(nWindowsVersion >= WINDOWS_VISTA) )
ret = TRUE;
}
break;
default:
SelectedDrive.PartitionType = PARTITION_STYLE_MBR;
uprintf("Partition type: RAW\n");
suprintf("Partition type: RAW\n");
break;
}
safe_closehandle(hPhysical);
if (hasRufusExtra)
nb_partitions--;
return (int)nb_partitions;
SelectedDrive.nPartitions--;
return ret;
}
/*
@ -822,9 +836,6 @@ typedef struct _DRIVE_LAYOUT_INFORMATION_EX4 {
* copy it got from the last IOCTL, and ignores your changes until you replug the drive
* or issue an IOCTL_DISK_UPDATE_PROPERTIES.
*/
#if !defined(PARTITION_BASIC_DATA_GUID)
const GUID PARTITION_BASIC_DATA_GUID = { 0xebd0a0a2, 0xb9e5, 0x4433, {0x87, 0xc0, 0x68, 0xb6, 0xb7, 0x26, 0x99, 0xc7} };
#endif
BOOL CreatePartition(HANDLE hDrive, int partition_style, int file_system, BOOL mbr_uefi_marker)
{
const char* PartitionTypeName[2] = { "MBR", "GPT" };
@ -963,10 +974,8 @@ BOOL CreatePartition(HANDLE hDrive, int partition_style, int file_system, BOOL m
safe_closehandle(hDrive);
return FALSE;
}
// Diskpart does call the following IOCTL this after updating the partition table, so we do too
r = DeviceIoControl(hDrive, IOCTL_DISK_UPDATE_PROPERTIES, NULL, 0, NULL, 0, &size, NULL );
if (!r) {
uprintf("Could not refresh drive layout: %s\n", WindowsErrorString());
if (!RefreshDriveLayout(hDrive)) {
safe_closehandle(hDrive);
return FALSE;
}
@ -974,6 +983,18 @@ BOOL CreatePartition(HANDLE hDrive, int partition_style, int file_system, BOOL m
return TRUE;
}
BOOL RefreshDriveLayout(HANDLE hDrive)
{
BOOL r;
DWORD size;
// Diskpart does call the following IOCTL this after updating the partition table, so we do too
r = DeviceIoControl(hDrive, IOCTL_DISK_UPDATE_PROPERTIES, NULL, 0, NULL, 0, &size, NULL );
if (!r)
uprintf("Could not refresh drive layout: %s\n", WindowsErrorString());
return r;
}
/* Delete the disk partition table */
BOOL DeletePartitions(HANDLE hDrive)
{