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[core] improve UEFI:NTFS detection

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* Check the label for MBR partitions to avoid false positives (such as with Debian live)
This commit is contained in:
Pete Batard 2018-05-08 15:25:53 +01:00
parent 4c37b413f9
commit 39cb35e20c
2 changed files with 24 additions and 15 deletions
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27
src/drive.c
View file

@ -708,15 +708,13 @@ BOOL GetDrivePartitionData(DWORD DriveIndex, char* FileSystemName, DWORD FileSys
{
// MBR partition types that can be mounted in Windows
const uint8_t mbr_mountable[] = { 0x01, 0x04, 0x06, 0x07, 0x0b, 0x0c, 0x0e, 0xef };
BOOL r, ret = FALSE, isUefiNtfs = FALSE;
BOOL r, ret = FALSE, isUefiNtfs;
HANDLE hPhysical;
DWORD size;
DWORD size, i, j, super_floppy_disk = FALSE;
BYTE geometry[256] = {0}, layout[4096] = {0}, part_type;
PDISK_GEOMETRY_EX DiskGeometry = (PDISK_GEOMETRY_EX)(void*)geometry;
PDRIVE_LAYOUT_INFORMATION_EX DriveLayout = (PDRIVE_LAYOUT_INFORMATION_EX)(void*)layout;
char* volume_name;
char tmp[256];
DWORD i, j, super_floppy_disk = FALSE;
char *volume_name, *buf, tmp[256];
if (FileSystemName == NULL)
return FALSE;
@ -789,10 +787,19 @@ BOOL GetDrivePartitionData(DWORD DriveIndex, char* FileSystemName, DWORD FileSys
AnalyzeMBR(hPhysical, "Drive");
}
for (i=0; i<DriveLayout->PartitionCount; i++) {
isUefiNtfs = FALSE;
if (DriveLayout->PartitionEntry[i].Mbr.PartitionType != PARTITION_ENTRY_UNUSED) {
part_type = DriveLayout->PartitionEntry[i].Mbr.PartitionType;
isUefiNtfs = (i == 1) && (part_type == 0xef) &&
(DriveLayout->PartitionEntry[i].PartitionLength.QuadPart <= 1*MB);
if (part_type == 0xef) {
// Check the FAT label to see if we're dealing with an UEFI_NTFS partition
buf = calloc(SelectedDrive.SectorSize, 1);
if (buf != NULL) {
SetFilePointerEx(hPhysical, DriveLayout->PartitionEntry[i].StartingOffset, NULL, FILE_BEGIN);
ReadFile(hPhysical, buf, SelectedDrive.SectorSize, &size, NULL);
isUefiNtfs = (strncmp(&buf[0x2B], "UEFI_NTFS", 9) == 0);
free(buf);
}
}
suprintf("Partition %d%s:", i+(super_floppy_disk?0:1), isUefiNtfs?" (UEFI:NTFS)":"");
for (j=0; j<ARRAYSIZE(mbr_mountable); j++) {
if (part_type == mbr_mountable[j]) {
@ -807,6 +814,7 @@ BOOL GetDrivePartitionData(DWORD DriveIndex, char* FileSystemName, DWORD FileSys
DriveLayout->PartitionEntry[i].PartitionLength.QuadPart,
DriveLayout->PartitionEntry[i].StartingOffset.QuadPart / SelectedDrive.SectorSize,
DriveLayout->PartitionEntry[i].Mbr.BootIndicator?"Yes":"No");
// suprintf(" GUID: %s", GuidToString(&DriveLayout->PartitionEntry[i].Mbr.PartitionId));
SelectedDrive.FirstDataSector = min(SelectedDrive.FirstDataSector,
(DWORD)(DriveLayout->PartitionEntry[i].StartingOffset.QuadPart / SelectedDrive.SectorSize));
if ((part_type == RUFUS_EXTRA_PARTITION_TYPE) || (isUefiNtfs))
@ -827,7 +835,8 @@ BOOL GetDrivePartitionData(DWORD DriveIndex, char* FileSystemName, DWORD FileSys
SelectedDrive.nPartitions++;
tmp[0] = 0;
wchar_to_utf8_no_alloc(DriveLayout->PartitionEntry[i].Gpt.Name, tmp, sizeof(tmp));
suprintf("Partition %d:\r\n Type: %s\r\n Name: '%s'", i+1,
isUefiNtfs = (strcmp(tmp, "UEFI:NTFS") == 0);
suprintf("Partition %d%s:\r\n Type: %s\r\n Name: '%s'", i+1, isUefiNtfs ? " (UEFI:NTFS)" : "",
GuidToString(&DriveLayout->PartitionEntry[i].Gpt.PartitionType), tmp);
suprintf(" ID: %s\r\n Size: %s (%" PRIi64 " bytes)\r\n Start Sector: %" PRIi64 ", Attributes: 0x%016" PRIX64,
GuidToString(&DriveLayout->PartitionEntry[i].Gpt.PartitionId),
@ -838,7 +847,7 @@ BOOL GetDrivePartitionData(DWORD DriveIndex, char* FileSystemName, DWORD FileSys
SelectedDrive.FirstDataSector = min(SelectedDrive.FirstDataSector,
(DWORD)(DriveLayout->PartitionEntry[i].StartingOffset.QuadPart / SelectedDrive.SectorSize));
// Don't register the partitions that we don't care about destroying
if ( (strcmp(tmp, "UEFI:NTFS") == 0) ||
if ( isUefiNtfs ||
(CompareGUID(&DriveLayout->PartitionEntry[i].Gpt.PartitionType, &PARTITION_MSFT_RESERVED_GUID)) ||
(CompareGUID(&DriveLayout->PartitionEntry[i].Gpt.PartitionType, &PARTITION_SYSTEM_GUID)) )
--SelectedDrive.nPartitions;

10
src/rufus.rc
View file

@ -33,7 +33,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
IDD_DIALOG DIALOGEX 12, 12, 232, 326
STYLE DS_SETFONT | DS_MODALFRAME | DS_CENTER | WS_MINIMIZEBOX | WS_POPUP | WS_CAPTION | WS_SYSMENU
EXSTYLE WS_EX_ACCEPTFILES
CAPTION "Rufus 3.0.1267"
CAPTION "Rufus 3.0.1268"
FONT 9, "Segoe UI Symbol", 400, 0, 0x0
BEGIN
LTEXT "Drive Properties",IDS_DRIVE_PROPERTIES_TXT,8,6,53,12,NOT WS_GROUP
@ -389,8 +389,8 @@ END
//
VS_VERSION_INFO VERSIONINFO
FILEVERSION 3,0,1267,0
PRODUCTVERSION 3,0,1267,0
FILEVERSION 3,0,1268,0
PRODUCTVERSION 3,0,1268,0
FILEFLAGSMASK 0x3fL
#ifdef _DEBUG
FILEFLAGS 0x1L
@ -407,13 +407,13 @@ BEGIN
BEGIN
VALUE "CompanyName", "Akeo Consulting (http://akeo.ie)"
VALUE "FileDescription", "Rufus"
VALUE "FileVersion", "3.0.1267"
VALUE "FileVersion", "3.0.1268"
VALUE "InternalName", "Rufus"
VALUE "LegalCopyright", "© 2011-2018 Pete Batard (GPL v3)"
VALUE "LegalTrademarks", "http://www.gnu.org/copyleft/gpl.html"
VALUE "OriginalFilename", "rufus.exe"
VALUE "ProductName", "Rufus"
VALUE "ProductVersion", "3.0.1267"
VALUE "ProductVersion", "3.0.1268"
END
END
BLOCK "VarFileInfo"