[core] eliminate querying of floppy drives during enumeration

src/drive.c

@@ -53,6 +53,8 @@ const GUID PARTITION_SYSTEM_GUID =
 	{ 0xc12a7328L, 0xf81f, 0x11d2, {0xba, 0x4b, 0x00, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b} };
 #endif
 
+PF_TYPE_DECL(NTAPI, NTSTATUS, NtQueryVolumeInformationFile, (HANDLE, PIO_STATUS_BLOCK, PVOID, ULONG, FS_INFORMATION_CLASS));
+
 /*
  * Globals
  */
@@ -401,10 +403,14 @@ static BOOL _GetDriveLettersAndType(DWORD DriveIndex, char* drive_letters, UINT*
 	BOOL r = FALSE;
 	HANDLE hDrive = INVALID_HANDLE_VALUE;
 	UINT _drive_type;
+	IO_STATUS_BLOCK io_status_block;
+	FILE_FS_DEVICE_INFORMATION file_fs_device_info;
 	int i = 0, drive_number;
 	char *drive, drives[26*4 + 1];	/* "D:\", "E:\", etc., plus one NUL */
 	char logical_drive[] = "\\\\.\\#:";
 
+	PF_INIT(NtQueryVolumeInformationFile, Ntdll);
+
 	if (drive_letters != NULL)
 		drive_letters[0] = 0;
 	if (drive_type != NULL)
@@ -451,6 +457,14 @@ static BOOL _GetDriveLettersAndType(DWORD DriveIndex, char* drive_letters, UINT*
 			continue;
 		}
 
+		// Eliminate floppy drives
+		if ((pfNtQueryVolumeInformationFile != NULL) &&
+			(pfNtQueryVolumeInformationFile(hDrive, &io_status_block, &file_fs_device_info,
+				sizeof(file_fs_device_info), FileFsDeviceInformation) == NO_ERROR) &&
+			(file_fs_device_info.Characteristics & FILE_FLOPPY_DISKETTE) ) {
+				continue;
+		}
+
 		drive_number = GetDriveNumber(hDrive, logical_drive);
 		safe_closehandle(hDrive);
 		if (drive_number == DriveIndex) {

src/drive.h

@@ -1,7 +1,7 @@
 /*
  * Rufus: The Reliable USB Formatting Utility
  * Drive access function calls
- * Copyright © 2011-2016 Pete Batard <pete@akeo.ie>
+ * Copyright © 2011-2018 Pete Batard <pete@akeo.ie>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -20,6 +20,7 @@
 #include <windows.h>
 #include <stdint.h>
 #include <winioctl.h>   // for DISK_GEOMETRY
+#include <winternl.h>
 
 #pragma once
 
@@ -36,6 +37,24 @@
 #define XP_UEFI_NTFS                        0x04
 #define XP_COMPAT                           0x08
 
+#define FILE_FLOPPY_DISKETTE                0x00000004
+
+#if !defined(__MINGW32__)
+typedef enum _FSINFOCLASS {
+	FileFsVolumeInformation = 1,
+	FileFsLabelInformation,
+	FileFsSizeInformation,
+	FileFsDeviceInformation,
+	FileFsAttributeInformation,
+	FileFsControlInformation,
+	FileFsFullSizeInformation,
+	FileFsObjectIdInformation,
+	FileFsDriverPathInformation,
+	FileFsVolumeFlagsInformation,
+	FileFsMaximumInformation
+} FS_INFORMATION_CLASS, *PFS_INFORMATION_CLASS;
+#endif
+
 /* We need a redef of these MS structure */
 typedef struct {
 	DWORD DeviceType;
@@ -49,6 +68,13 @@ typedef struct {
 	DISK_EXTENT Extents[8];
 } VOLUME_DISK_EXTENTS_REDEF;
 
+#if !defined(__MINGW32__)
+typedef struct _FILE_FS_DEVICE_INFORMATION {
+	DEVICE_TYPE DeviceType;
+	ULONG Characteristics;
+} FILE_FS_DEVICE_INFORMATION, *PFILE_FS_DEVICE_INFORMATION;
+#endif
+
 static __inline BOOL UnlockDrive(HANDLE hDrive) {
 	DWORD size;
 	return DeviceIoControl(hDrive, FSCTL_UNLOCK_VOLUME, NULL, 0, NULL, 0, &size, NULL);

src/rufus.rc

@@ -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 3.0.1238"
+CAPTION "Rufus 3.0.1239"
 FONT 9, "Segoe UI Symbol", 400, 0, 0x0
 BEGIN
     LTEXT           "Drive Properties",IDS_DRIVE_PROPERTIES_TXT,8,6,53,12,NOT WS_GROUP
@@ -371,8 +371,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 2,18,1238,0
+ FILEVERSION 2,18,1239,0
- PRODUCTVERSION 2,18,1238,0
+ PRODUCTVERSION 2,18,1239,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -389,13 +389,13 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Akeo Consulting (http://akeo.ie)"
             VALUE "FileDescription", "Rufus"
-            VALUE "FileVersion", "2.18.1238"
+            VALUE "FileVersion", "2.18.1239"
             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", "2.18.1238"
+            VALUE "ProductVersion", "2.18.1239"
         END
     END
     BLOCK "VarFileInfo"