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https://github.com/pbatard/rufus.git
synced 2024-08-14 23:57:05 +00:00
[core] display device paths in GetHandle()
* Also reorder bLockDrive and bWriteAccess parameters
This commit is contained in:
parent
eb57d116cc
commit
477ff95f93
5 changed files with 39 additions and 25 deletions
40
src/drive.c
40
src/drive.c
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@ -57,6 +57,7 @@ const GUID PARTITION_SYSTEM_GUID =
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* Globals
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*/
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RUFUS_DRIVE_INFO SelectedDrive;
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extern BOOL lock_drive;
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/*
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* The following methods get or set the AutoMount setting (which is different from AutoRun)
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@ -117,37 +118,51 @@ BOOL GetAutoMount(BOOL* enabled)
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* Open a drive or volume with optional write and lock access
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* Return INVALID_HANDLE_VALUE (/!\ which is DIFFERENT from NULL /!\) on failure.
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*/
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static HANDLE GetHandle(char* Path, BOOL bWriteAccess, BOOL bLockDrive, BOOL bWriteShare)
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static HANDLE GetHandle(char* Path, BOOL bLockDrive, BOOL bWriteAccess, BOOL bWriteShare)
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{
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int i;
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DWORD size;
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HANDLE hDrive = INVALID_HANDLE_VALUE;
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char DevPath[MAX_PATH];
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if (Path == NULL)
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if ((safe_strlen(Path) < 5) || (Path[0] != '\\') || (Path[1] != '\\') || (Path[3] != '\\'))
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goto out;
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// Resolve a device path, so that users can seek for it in Process Explorer
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// in case of access issues.
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if (QueryDosDeviceA(&Path[4], DevPath, sizeof(DevPath)) == 0)
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strcpy(DevPath, "???");
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for (i = 0; i < DRIVE_ACCESS_RETRIES; i++) {
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// Don't enable FILE_SHARE_WRITE (unless specifically requested) so that
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// Try without FILE_SHARE_WRITE (unless specifically requested) so that
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// we won't be bothered by the OS or other apps when we set up our data.
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// However this means we might have to wait for an access gap...
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// We keep FILE_SHARE_READ though, as this shouldn't hurt us any, and is
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// required for enumeration.
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hDrive = CreateFileA(Path, GENERIC_READ|(bWriteAccess?GENERIC_WRITE:0),
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FILE_SHARE_READ|(bWriteShare?FILE_SHARE_WRITE:0), NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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FILE_SHARE_READ|((bWriteAccess && bWriteShare)?FILE_SHARE_WRITE:0),
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NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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if (hDrive != INVALID_HANDLE_VALUE)
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break;
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if ((GetLastError() != ERROR_SHARING_VIOLATION) && (GetLastError() != ERROR_ACCESS_DENIED))
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break;
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if (i == 0)
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if (i == 0) {
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uprintf("Waiting for access...");
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} else if (!lock_drive && bWriteAccess && !bWriteShare && (i > (2*DRIVE_ACCESS_RETRIES)/3)) {
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// If we can't seem to get a hold of the drive for a long time,
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// and Alt-, is enabled, make a last ditch effort with FILE_SHARE_WRITE...
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uprintf("Can't access %s - Retrying with write sharing enabled...");
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bWriteShare = TRUE;
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}
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Sleep(DRIVE_ACCESS_TIMEOUT / DRIVE_ACCESS_RETRIES);
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}
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if (hDrive == INVALID_HANDLE_VALUE) {
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uprintf("Could not open drive %s: %s\n", Path, WindowsErrorString());
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uprintf("Could not open %s [%s]: %s\n", Path, DevPath, WindowsErrorString());
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goto out;
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}
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if (bWriteAccess) {
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uprintf("Opened drive %s for write access\n", Path);
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uprintf("Opened %s [%s] for write access\n", Path, DevPath);
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}
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if (bLockDrive) {
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@ -163,7 +178,7 @@ static HANDLE GetHandle(char* Path, BOOL bWriteAccess, BOOL bLockDrive, BOOL bWr
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Sleep(DRIVE_ACCESS_TIMEOUT/DRIVE_ACCESS_RETRIES);
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}
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// If we reached this section, either we didn't manage to get a lock or the user cancelled
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uprintf("Could not get exclusive access to device %s: %s\n", Path, WindowsErrorString());
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uprintf("Could not get exclusive access to %s [%s]: %s\n", Path, DevPath, WindowsErrorString());
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safe_closehandle(hDrive);
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}
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@ -190,11 +205,11 @@ out:
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/*
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* Return a handle to the physical drive identified by DriveIndex
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*/
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HANDLE GetPhysicalHandle(DWORD DriveIndex, BOOL bWriteAccess, BOOL bLockDrive)
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HANDLE GetPhysicalHandle(DWORD DriveIndex, BOOL bLockDrive, BOOL bWriteAccess)
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{
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HANDLE hPhysical = INVALID_HANDLE_VALUE;
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char* PhysicalPath = GetPhysicalName(DriveIndex);
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hPhysical = GetHandle(PhysicalPath, bWriteAccess, bLockDrive, FALSE);
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hPhysical = GetHandle(PhysicalPath, bLockDrive, bWriteAccess, FALSE);
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safe_free(PhysicalPath);
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return hPhysical;
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}
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@ -261,7 +276,6 @@ char* GetLogicalName(DWORD DriveIndex, BOOL bKeepTrailingBackslash, BOOL bSilent
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continue;
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}
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// If we can't have FILE_SHARE_WRITE, forget it
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hDrive = CreateFileA(volume_name, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE,
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NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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if (hDrive == INVALID_HANDLE_VALUE) {
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@ -315,7 +329,7 @@ BOOL WaitForLogical(DWORD DriveIndex)
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* Returns INVALID_HANDLE_VALUE on error or NULL if no logical path exists (typical
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* of unpartitioned drives)
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*/
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HANDLE GetLogicalHandle(DWORD DriveIndex, BOOL bWriteAccess, BOOL bLockDrive, BOOL bWriteShare)
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HANDLE GetLogicalHandle(DWORD DriveIndex, BOOL bLockDrive, BOOL bWriteAccess, BOOL bWriteShare)
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{
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HANDLE hLogical = INVALID_HANDLE_VALUE;
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char* LogicalPath = GetLogicalName(DriveIndex, FALSE, FALSE);
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@ -325,7 +339,7 @@ HANDLE GetLogicalHandle(DWORD DriveIndex, BOOL bWriteAccess, BOOL bLockDrive, BO
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return NULL;
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}
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hLogical = GetHandle(LogicalPath, bWriteAccess, bLockDrive, bWriteShare);
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hLogical = GetHandle(LogicalPath, bLockDrive, bWriteAccess, bWriteShare);
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free(LogicalPath);
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return hLogical;
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}
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@ -79,10 +79,10 @@ extern RUFUS_DRIVE_INFO SelectedDrive;
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BOOL SetAutoMount(BOOL enable);
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BOOL GetAutoMount(BOOL* enabled);
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char* GetPhysicalName(DWORD DriveIndex);
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HANDLE GetPhysicalHandle(DWORD DriveIndex, BOOL bWriteAccess, BOOL bLockDrive);
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HANDLE GetPhysicalHandle(DWORD DriveIndex, BOOL bLockDrive, BOOL bWriteAccess);
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char* GetLogicalName(DWORD DriveIndex, BOOL bKeepTrailingBackslash, BOOL bSilent);
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BOOL WaitForLogical(DWORD DriveIndex);
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HANDLE GetLogicalHandle(DWORD DriveIndex, BOOL bWriteAccess, BOOL bLockDrive, BOOL bWriteShare);
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HANDLE GetLogicalHandle(DWORD DriveIndex, BOOL bLockDrive, BOOL bWriteAccess, BOOL bWriteShare);
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int GetDriveNumber(HANDLE hDrive, char* path);
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BOOL GetDriveLetters(DWORD DriveIndex, char* drive_letters);
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UINT GetDriveTypeFromIndex(DWORD DriveIndex);
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@ -1641,7 +1641,7 @@ DWORD WINAPI FormatThread(void* param)
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extra_partitions = XP_COMPAT;
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PrintInfoDebug(0, MSG_225);
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hPhysicalDrive = GetPhysicalHandle(DriveIndex, TRUE, lock_drive);
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hPhysicalDrive = GetPhysicalHandle(DriveIndex, lock_drive, TRUE);
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if (hPhysicalDrive == INVALID_HANDLE_VALUE) {
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FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_OPEN_FAILED;
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goto out;
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@ -1683,7 +1683,7 @@ DWORD WINAPI FormatThread(void* param)
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uprintf("Will use '%c:' as volume mountpoint\n", drive_name[0]);
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// ...but we need a lock to the logical drive to be able to write anything to it
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hLogicalVolume = GetLogicalHandle(DriveIndex, FALSE, TRUE, FALSE);
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hLogicalVolume = GetLogicalHandle(DriveIndex, TRUE, FALSE, FALSE);
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if (hLogicalVolume == INVALID_HANDLE_VALUE) {
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uprintf("Could not lock volume\n");
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FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_OPEN_FAILED;
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@ -1925,7 +1925,7 @@ DWORD WINAPI FormatThread(void* param)
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} else {
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// We still have a lock, which we need to modify the volume boot record
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// => no need to reacquire the lock...
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hLogicalVolume = GetLogicalHandle(DriveIndex, TRUE, FALSE, FALSE);
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hLogicalVolume = GetLogicalHandle(DriveIndex, FALSE, TRUE, FALSE);
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if ((hLogicalVolume == INVALID_HANDLE_VALUE) || (hLogicalVolume == NULL)) {
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uprintf("Could not re-mount volume for partition boot record access\n");
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FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_OPEN_FAILED;
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@ -2074,7 +2074,7 @@ DWORD WINAPI SaveImageThread(void* param)
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LastRefresh = 0;
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switch (img_save->Type) {
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case IMG_SAVE_TYPE_VHD:
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hPhysicalDrive = GetPhysicalHandle(img_save->DeviceNum, FALSE, TRUE);
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hPhysicalDrive = GetPhysicalHandle(img_save->DeviceNum, TRUE, FALSE);
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break;
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case IMG_SAVE_TYPE_ISO:
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hPhysicalDrive = CreateFileA(img_save->DevicePath, GENERIC_READ, FILE_SHARE_READ,
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10
src/rufus.rc
10
src/rufus.rc
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@ -33,7 +33,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
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IDD_DIALOG DIALOGEX 12, 12, 242, 376
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STYLE DS_SETFONT | DS_MODALFRAME | DS_CENTER | WS_MINIMIZEBOX | WS_POPUP | WS_CAPTION | WS_SYSMENU
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EXSTYLE WS_EX_ACCEPTFILES
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CAPTION "Rufus 2.13.1082"
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CAPTION "Rufus 2.13.1083"
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FONT 8, "Segoe UI Symbol", 400, 0, 0x0
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BEGIN
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LTEXT "Device",IDS_DEVICE_TXT,9,6,200,8
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@ -334,8 +334,8 @@ END
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//
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VS_VERSION_INFO VERSIONINFO
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FILEVERSION 2,13,1082,0
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PRODUCTVERSION 2,13,1082,0
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FILEVERSION 2,13,1083,0
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PRODUCTVERSION 2,13,1083,0
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FILEFLAGSMASK 0x3fL
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#ifdef _DEBUG
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FILEFLAGS 0x1L
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@ -352,13 +352,13 @@ BEGIN
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BEGIN
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VALUE "CompanyName", "Akeo Consulting (http://akeo.ie)"
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VALUE "FileDescription", "Rufus"
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VALUE "FileVersion", "2.13.1082"
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VALUE "FileVersion", "2.13.1083"
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VALUE "InternalName", "Rufus"
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VALUE "LegalCopyright", "© 2011-2017 Pete Batard (GPL v3)"
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VALUE "LegalTrademarks", "http://www.gnu.org/copyleft/gpl.html"
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VALUE "OriginalFilename", "rufus.exe"
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VALUE "ProductName", "Rufus"
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VALUE "ProductVersion", "2.13.1082"
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VALUE "ProductVersion", "2.13.1083"
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END
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END
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BLOCK "VarFileInfo"
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@ -137,7 +137,7 @@ BOOL InstallSyslinux(DWORD drive_index, char drive_letter, int fs_type)
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* weird reason.the Syslinux install process *MUST* have FILE_SHARE_WRITE
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* on the volume, or else creating 'ldlinux.sys' will fail...
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*/
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d_handle = GetLogicalHandle(drive_index, TRUE, FALSE, TRUE);
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d_handle = GetLogicalHandle(drive_index, FALSE, TRUE, TRUE);
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if ((d_handle == INVALID_HANDLE_VALUE) || (d_handle == NULL)) {
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uprintf("Could open volume for Syslinux installation");
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goto out;
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