mirror of
https://github.com/pbatard/rufus.git
synced 2024-08-14 23:57:05 +00:00
[core] add a cheat mode (Alt-P) to toggle GPT ESP to Basic Data
* Windows 10 or later *ONLY* * Also don't report a GPT partition name if it's empty
This commit is contained in:
Pete Batard
parent
22fb8febc5
commit
23057f6124
6 changed files with 205 additions and 16 deletions
174
src/drive.c
174
src/drive.c
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@ -34,6 +34,7 @@
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#include "rufus.h"
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#include "missing.h"
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#include "resource.h"
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#include "settings.h"
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#include "msapi_utf8.h"
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#include "localization.h"
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@ -917,7 +918,7 @@ UINT GetDriveTypeFromIndex(DWORD DriveIndex)
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char GetUnusedDriveLetter(void)
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{
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DWORD size;
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char drive_letter = 'Z'+1, *drive, drives[26*4 + 1]; /* "D:\", "E:\", etc., plus one NUL */
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char drive_letter, *drive, drives[26*4 + 1]; /* "D:\", "E:\", etc., plus one NUL */
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size = GetLogicalDriveStringsA(sizeof(drives), drives);
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if (size == 0) {
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@ -944,6 +945,29 @@ out:
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return (drive_letter > 'Z') ? 0 : drive_letter;
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}
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BOOL IsDriveLetterInUse(const char drive_letter)
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{
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DWORD size;
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char *drive, drives[26 * 4 + 1];
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size = GetLogicalDriveStringsA(sizeof(drives), drives);
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if (size == 0) {
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uprintf("GetLogicalDriveStrings failed: %s", WindowsErrorString());
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return TRUE;
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}
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if (size > sizeof(drives)) {
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uprintf("GetLogicalDriveStrings: Buffer too small (required %d vs. %d)", size, sizeof(drives));
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return TRUE;
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}
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for (drive = drives; *drive; drive += safe_strlen(drive) + 1) {
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if (drive_letter == (char)toupper((int)*drive))
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return TRUE;
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}
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return FALSE;
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}
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/*
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* Return the drive letter and volume label
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* If the drive doesn't have a volume assigned, space is returned for the letter
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@ -1130,6 +1154,142 @@ BOOL AnalyzePBR(HANDLE hLogicalVolume)
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return TRUE;
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}
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static BOOL StoreEspInfo(GUID* guid)
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{
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uint8_t j;
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char key_name[2][16], *str;
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// Look for an empty slot and use that if available
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for (j = 1; j <= MAX_ESP_TOGGLE; j++) {
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static_sprintf(key_name[0], "ToggleEsp%02u", j);
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str = ReadSettingStr(key_name[0]);
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if ((str == NULL) || (str[0] == 0))
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return WriteSettingStr(key_name[0], GuidToString(guid));
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}
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// All slots are used => Move every key down and add to last slot
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// NB: No, we don't care that the slot we remove may not be the oldest.
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for (j = 1; j < MAX_ESP_TOGGLE; j++) {
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static_sprintf(key_name[0], "ToggleEsp%02u", j);
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static_sprintf(key_name[1], "ToggleEsp%02u", j + 1);
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WriteSettingStr(key_name[0], ReadSettingStr(key_name[1]));
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}
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return WriteSettingStr(key_name[1], GuidToString(guid));
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}
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static GUID* GetEspGuid(uint8_t index)
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{
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char key_name[16];
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static_sprintf(key_name, "ToggleEsp%02u", index);
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return StringToGuid(ReadSettingStr(key_name));
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}
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static BOOL ClearEspInfo(uint8_t index)
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{
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char key_name[16];
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static_sprintf(key_name, "ToggleEsp%02u", index);
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return WriteSettingStr(key_name, "");
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}
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/*
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* This calls changes the type of a GPT ESP back and forth to Basic Data.
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* Needed because Windows 10 doesn't mount ESPs by default, and also
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* doesn't let usermode apps (such as File Explorer) access mounted ESPs.
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*/
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BOOL ToggleEsp(DWORD DriveIndex)
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{
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char *volume_name, mount_point[] = DEFAULT_ESP_MOUNT_POINT;
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BOOL r, ret = FALSE, found = FALSE;
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HANDLE hPhysical;
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DWORD size, i, j, esp_index = 0;
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BYTE layout[4096] = { 0 };
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GUID* guid;
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PDRIVE_LAYOUT_INFORMATION_EX DriveLayout = (PDRIVE_LAYOUT_INFORMATION_EX)(void*)layout;
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if (nWindowsVersion < WINDOWS_10) {
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uprintf("ESP toggling is only available for Windows 10 or later");
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return FALSE;
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}
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hPhysical = GetPhysicalHandle(DriveIndex, FALSE, TRUE, TRUE);
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if (hPhysical == INVALID_HANDLE_VALUE)
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return FALSE;
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r = DeviceIoControl(hPhysical, IOCTL_DISK_GET_DRIVE_LAYOUT_EX,
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NULL, 0, layout, sizeof(layout), &size, NULL);
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if (!r || size <= 0) {
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uprintf("Could not get layout for drive 0x%02x: %s", DriveIndex, WindowsErrorString());
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goto out;
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}
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if (DriveLayout->PartitionStyle != PARTITION_STYLE_GPT) {
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uprintf("ESP toggling is only available for GPT drives");
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goto out;
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}
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// See if the current drive contains an ESP
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for (i = 0, j = 0; i < DriveLayout->PartitionCount; i++) {
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if (CompareGUID(&DriveLayout->PartitionEntry[i].Gpt.PartitionType, &PARTITION_GENERIC_ESP)) {
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esp_index = i;
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j++;
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}
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}
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if (j > 1) {
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uprintf("ESP toggling is not available for drives with more than one ESP");
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goto out;
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}
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if (j == 1) {
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// ESP -> Basic Data
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i = esp_index;
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uprintf("ESP name: '%S'", DriveLayout->PartitionEntry[i].Gpt.Name);
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if (!StoreEspInfo(&DriveLayout->PartitionEntry[i].Gpt.PartitionId)) {
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uprintf("ESP toggling data could not be stored");
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goto out;
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}
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DriveLayout->PartitionEntry[i].Gpt.PartitionType = PARTITION_MICROSOFT_DATA;
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} else {
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// Basic Data -> ESP
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for (j = 1; j <= MAX_ESP_TOGGLE; j++) {
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guid = GetEspGuid((uint8_t)j);
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if (guid != NULL) {
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for (i = 0; i < DriveLayout->PartitionCount; i++) {
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if (CompareGUID(guid, &DriveLayout->PartitionEntry[i].Gpt.PartitionId)) {
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uprintf("BD name: '%S'", DriveLayout->PartitionEntry[i].Gpt.Name);
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found = TRUE;
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break;
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}
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}
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if (found)
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break;
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}
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}
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if (j > MAX_ESP_TOGGLE)
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goto out;
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DriveLayout->PartitionEntry[i].Gpt.PartitionType = PARTITION_GENERIC_ESP;
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}
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DriveLayout->PartitionEntry[i].RewritePartition = TRUE; // Just in case
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r = DeviceIoControl(hPhysical, IOCTL_DISK_SET_DRIVE_LAYOUT_EX, (BYTE*)DriveLayout, size, NULL, 0, &size, NULL);
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if (!r) {
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uprintf("Could not set drive layout: %s", WindowsErrorString());
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return FALSE;
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}
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RefreshDriveLayout(hPhysical);
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if (CompareGUID(&DriveLayout->PartitionEntry[i].Gpt.PartitionType, &PARTITION_GENERIC_ESP)) {
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// We successfully reverted ESP from Basic Data -> Delete stored ESP info
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ClearEspInfo((uint8_t)j);
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} else if (!IsDriveLetterInUse(*mount_point)) {
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// We succesfully switched ESP to Basic Data -> Try to mount it
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volume_name = GetLogicalName(DriveIndex, DriveLayout->PartitionEntry[i].StartingOffset.QuadPart, TRUE, FALSE);
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MountVolume(mount_point, volume_name);
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free(volume_name);
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}
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ret = TRUE;
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out:
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safe_closehandle(hPhysical);
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return ret;
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}
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/*
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* Fill the drive properties (size, FS, etc)
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* Returns TRUE if the drive has a partition that can be mounted in Windows, FALSE otherwise
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@ -1162,14 +1322,14 @@ BOOL GetDrivePartitionData(DWORD DriveIndex, char* FileSystemName, DWORD FileSys
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hPhysical = GetPhysicalHandle(DriveIndex, FALSE, FALSE, TRUE);
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if (hPhysical == INVALID_HANDLE_VALUE)
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return 0;
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return FALSE;
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r = DeviceIoControl(hPhysical, IOCTL_DISK_GET_DRIVE_GEOMETRY_EX,
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NULL, 0, geometry, sizeof(geometry), &size, NULL);
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if (!r || size <= 0) {
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suprintf("Could not get geometry for drive 0x%02x: %s", DriveIndex, WindowsErrorString());
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safe_closehandle(hPhysical);
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return 0;
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return FALSE;
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}
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SelectedDrive.DiskSize = DiskGeometry->DiskSize.QuadPart;
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SelectedDrive.SectorSize = DiskGeometry->Geometry.BytesPerSector;
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@ -1192,7 +1352,7 @@ BOOL GetDrivePartitionData(DWORD DriveIndex, char* FileSystemName, DWORD FileSys
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if (!r || size <= 0) {
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suprintf("Could not get layout for drive 0x%02x: %s", DriveIndex, WindowsErrorString());
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safe_closehandle(hPhysical);
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return 0;
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return FALSE;
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}
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#if defined(__GNUC__)
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@ -1282,8 +1442,10 @@ BOOL GetDrivePartitionData(DWORD DriveIndex, char* FileSystemName, DWORD FileSys
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}
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SelectedDrive.nPartitions++;
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isUefiNtfs = (wcscmp(DriveLayout->PartitionEntry[i].Gpt.Name, L"UEFI:NTFS") == 0);
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suprintf("Partition %d%s:\r\n Type: %s\r\n Name: '%S'", i+1, isUefiNtfs ? " (UEFI:NTFS)" : "",
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GetGPTPartitionType(&DriveLayout->PartitionEntry[i].Gpt.PartitionType), DriveLayout->PartitionEntry[i].Gpt.Name);
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suprintf("Partition %d%s:\r\n Type: %s", i+1, isUefiNtfs ? " (UEFI:NTFS)" : "",
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GetGPTPartitionType(&DriveLayout->PartitionEntry[i].Gpt.PartitionType));
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if (DriveLayout->PartitionEntry[i].Gpt.Name[0] != 0)
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suprintf(" Name: '%S'", DriveLayout->PartitionEntry[i].Gpt.Name);
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suprintf(" ID: %s\r\n Size: %s (%" PRIi64 " bytes)\r\n Start Sector: %" PRIi64 ", Attributes: 0x%016" PRIX64,
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GuidToString(&DriveLayout->PartitionEntry[i].Gpt.PartitionId),
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SizeToHumanReadable(DriveLayout->PartitionEntry[i].PartitionLength.QuadPart, TRUE, FALSE),
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@ -1,7 +1,7 @@
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/*
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* Rufus: The Reliable USB Formatting Utility
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* Drive access function calls
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* Copyright © 2011-2019 Pete Batard <pete@akeo.ie>
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* Copyright © 2011-2020 Pete Batard <pete@akeo.ie>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@ -377,6 +377,7 @@ 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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char GetUnusedDriveLetter(void);
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BOOL IsDriveLetterInUse(const char drive_letter);
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BOOL GetDriveLabel(DWORD DriveIndex, char* letter, char** label);
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uint64_t GetDriveSize(DWORD DriveIndex);
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BOOL IsMediaPresent(DWORD DriveIndex);
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@ -399,3 +400,4 @@ BOOL CyclePort(int index);
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int CycleDevice(int index);
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BOOL RefreshLayout(DWORD DriveIndex);
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BOOL GetOpticalMedia(IMG_SAVE* img_save);
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BOOL ToggleEsp(DWORD DriveIndex);
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10
src/rufus.c
10
src/rufus.c
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@ -3286,7 +3286,7 @@ relaunch:
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while(GetMessage(&msg, NULL, 0, 0)) {
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static BOOL ctrl_without_focus = FALSE;
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BOOL no_focus = (msg.message == WM_SYSKEYDOWN) && !(msg.lParam & 0x20000000);
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// ** ****** **** ** **********
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// ** ****** **** *************
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// .,ABCDEFGHIJKLMNOPQRSTUVWXYZ
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// Sigh... The things one need to do to detect standalone use of the 'Alt' key.
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@ -3452,6 +3452,14 @@ relaunch:
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SaveISO();
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continue;
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}
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// Alt-P => Toggle GPT ESP to and from Basic Data type (Windows 10 or later)
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if ((msg.message == WM_SYSKEYDOWN) && (msg.wParam == 'P')) {
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int index = ComboBox_GetCurSel(hDeviceList);
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DWORD DeviceNum = (DWORD)ComboBox_GetItemData(hDeviceList, index);
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if (ToggleEsp(DeviceNum))
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CyclePort(index);
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continue;
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}
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// Alt-Q => Enable file indexing (for file systems that support it)
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// For multiple reasons, file indexing is disabled by default
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if ((msg.message == WM_SYSKEYDOWN) && (msg.wParam == 'Q')) {
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@ -71,6 +71,7 @@
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#define MAX_REFRESH 25 // How long we should wait to refresh UI elements (in ms)
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#define MAX_GUID_STRING_LENGTH 40
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#define MAX_PARTITIONS 16 // Maximum number of partitions we handle
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#define MAX_ESP_TOGGLE 8 // Maximum number of entries we record to toggle GPT ESP back and forth
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#define MAX_SECTORS_TO_CLEAR 128 // nb sectors to zap when clearing the MBR/GPT (must be >34)
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#define MAX_WININST 4 // Max number of install[.wim|.esd] we can handle on an image
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#define MBR_UEFI_MARKER 0x49464555 // 'U', 'E', 'F', 'I', as a 32 bit little endian longword
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@ -111,6 +112,7 @@
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#define WPPRECORDER_MORE_INFO_URL "https://github.com/pbatard/rufus/wiki/FAQ#BSODs_with_Windows_To_Go_drives_created_from_Windows_10_1809_ISOs"
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#define SEVENZIP_URL "https://www.7-zip.org"
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#define FILES_DIR "rufus_files"
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#define DEFAULT_ESP_MOUNT_POINT "S:\\"
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#define IS_POWER_OF_2(x) ((x != 0) && (((x) & ((x) - 1)) == 0))
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#define IGNORE_RETVAL(expr) do { (void)(expr); } while(0)
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#ifndef ARRAYSIZE
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@ -485,6 +487,7 @@ extern void UpdateProgressWithInfo(int op, int msg, uint64_t processed, uint64_t
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#define UpdateProgressWithInfoInit(hProgressDialog, bNoAltMode) UpdateProgressWithInfo(OP_INIT, (int)bNoAltMode, (uint64_t)(uintptr_t)hProgressDialog, 0);
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extern const char* StrError(DWORD error_code, BOOL use_default_locale);
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extern char* GuidToString(const GUID* guid);
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extern GUID* StringToGuid(const char* str);
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extern char* SizeToHumanReadable(uint64_t size, BOOL copy_to_log, BOOL fake_units);
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extern char* TimestampToHumanReadable(uint64_t ts);
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extern HWND MyCreateDialog(HINSTANCE hInstance, int Dialog_ID, HWND hWndParent, DLGPROC lpDialogFunc);
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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, 232, 326
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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 3.11.1667"
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CAPTION "Rufus 3.11.1668"
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FONT 9, "Segoe UI Symbol", 400, 0, 0x0
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BEGIN
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LTEXT "Drive Properties",IDS_DRIVE_PROPERTIES_TXT,8,6,53,12,NOT WS_GROUP
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@ -395,8 +395,8 @@ END
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//
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VS_VERSION_INFO VERSIONINFO
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FILEVERSION 3,11,1667,0
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PRODUCTVERSION 3,11,1667,0
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FILEVERSION 3,11,1668,0
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PRODUCTVERSION 3,11,1668,0
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FILEFLAGSMASK 0x3fL
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#ifdef _DEBUG
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FILEFLAGS 0x1L
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@ -414,13 +414,13 @@ BEGIN
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VALUE "Comments", "https://rufus.ie"
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VALUE "CompanyName", "Akeo Consulting"
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VALUE "FileDescription", "Rufus"
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VALUE "FileVersion", "3.11.1667"
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VALUE "FileVersion", "3.11.1668"
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VALUE "InternalName", "Rufus"
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VALUE "LegalCopyright", "© 2011-2020 Pete Batard (GPL v3)"
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VALUE "LegalTrademarks", "https://www.gnu.org/licenses/gpl-3.0.html"
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VALUE "OriginalFilename", "rufus-3.11.exe"
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VALUE "ProductName", "Rufus"
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VALUE "ProductVersion", "3.11.1667"
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VALUE "ProductVersion", "3.11.1668"
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END
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END
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BLOCK "VarFileInfo"
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16
src/stdio.c
16
src/stdio.c
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@ -674,12 +674,26 @@ char* GuidToString(const GUID* guid)
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if (guid == NULL) return NULL;
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sprintf(guid_string, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
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(unsigned int)guid->Data1, guid->Data2, guid->Data3,
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(uint32_t)guid->Data1, guid->Data2, guid->Data3,
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guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
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guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
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return guid_string;
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}
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GUID* StringToGuid(const char* str)
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{
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static GUID guid;
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if (str == NULL) return NULL;
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if (sscanf(str, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
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(uint32_t*)&guid.Data1, (uint32_t*)&guid.Data2, (uint32_t*)&guid.Data3,
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(uint32_t*)&guid.Data4[0], (uint32_t*)&guid.Data4[1], (uint32_t*)&guid.Data4[2],
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(uint32_t*)&guid.Data4[3], (uint32_t*)&guid.Data4[4], (uint32_t*)&guid.Data4[5],
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(uint32_t*)&guid.Data4[6], (uint32_t*)&guid.Data4[7]) != 11)
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return NULL;
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return &guid;
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}
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// Find upper power of 2
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static __inline uint16_t upo2(uint16_t v)
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{
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