1
1
Fork 0
mirror of https://github.com/pbatard/rufus.git synced 2024-08-14 23:57:05 +00:00
rufus/src/format.c

408 lines
13 KiB
C
Raw Normal View History

/*
* Rufus: The Reliable USB Formatting Utility
* Formatting function calls
* Copyright (c) 2011 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
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
#endif
#include <windows.h>
#include <windowsx.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <process.h>
#include <stddef.h>
#include "msapi_utf8.h"
#include "rufus.h"
#include "resource.h"
#include "br.h"
#include "fat16.h"
#include "fat32.h"
#include "file.h"
#include "format.h"
#include "badblocks.h"
/*
* Globals
*/
DWORD FormatStatus;
/*
* FormatEx callback. Return FALSE to halt operations
*/
static BOOLEAN __stdcall FormatExCallback(FILE_SYSTEM_CALLBACK_COMMAND Command, DWORD Action, PVOID pData)
{
DWORD* percent;
int task_number = 0;
if (IS_ERROR(FormatStatus))
return FALSE;
switch(Command) {
case FCC_PROGRESS:
percent = (DWORD*)pData;
PostMessage(hMainDialog, UM_FORMAT_PROGRESS, (WPARAM)*percent, (LPARAM)0);
uprintf("%d percent completed.\n", *percent);
break;
case FCC_STRUCTURE_PROGRESS: // No progress on quick format
uprintf("Format task %d/? completed.\n", ++task_number);
break;
case FCC_DONE:
if(*(BOOLEAN*)pData == FALSE) {
uprintf("Error while formatting.\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_GEN_FAILURE;
}
break;
case FCC_DONE_WITH_STRUCTURE: // We get this message when formatting Small FAT16
// pData Seems to be a struct with at least one (32 BIT!!!) string pointer to the size in MB
uprintf("Done with that sort of things: Action=%d pData=%0p\n", Action, pData);
DumpBufferHex(pData, 8);
uprintf("Volume size: %s MB\n", (char*)(LONG_PTR)(*(ULONG32*)pData));
break;
case FCC_INCOMPATIBLE_FILE_SYSTEM:
uprintf("Incompatible File System\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|APPERR(ERROR_INCOMPATIBLE_FS);
break;
case FCC_ACCESS_DENIED:
uprintf("Access denied\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_ACCESS_DENIED;
break;
case FCC_MEDIA_WRITE_PROTECTED:
uprintf("Media is write protected\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_WRITE_PROTECT;
break;
case FCC_VOLUME_IN_USE:
uprintf("Volume is in use\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_DEVICE_IN_USE;
break;
case FCC_CANT_QUICK_FORMAT:
uprintf("Cannot quick format this volume\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|APPERR(ERROR_CANT_QUICK_FORMAT);
break;
case FCC_BAD_LABEL:
uprintf("Bad label\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_LABEL_TOO_LONG;
break;
case FCC_OUTPUT:
uprintf("%s\n", ((PTEXTOUTPUT)pData)->Output);
break;
case FCC_CLUSTER_SIZE_TOO_BIG:
case FCC_CLUSTER_SIZE_TOO_SMALL:
uprintf("Unsupported cluster size\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|APPERR(ERROR_INVALID_CLUSTER_SIZE);
break;
case FCC_VOLUME_TOO_BIG:
case FCC_VOLUME_TOO_SMALL:
uprintf("Volume is too %s\n", FCC_VOLUME_TOO_BIG?"big":"small");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|APPERR(ERROR_INVALID_VOLUME_SIZE);
case FCC_NO_MEDIA_IN_DRIVE:
uprintf("No media in drive\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_NO_MEDIA_IN_DRIVE;
break;
default:
uprintf("FormatExCallback: received unhandled command %X\n", Command);
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_NOT_SUPPORTED;
break;
}
return (!IS_ERROR(FormatStatus));
}
/*
* Call on fmifs.dll's FormatEx() to format the drive
*/
static BOOL FormatDrive(char DriveLetter)
{
BOOL r = FALSE;
PF_DECL(FormatEx);
WCHAR wDriveRoot[] = L"?:\\";
WCHAR wFSType[32];
WCHAR wLabel[128];
size_t i;
wDriveRoot[0] = (WCHAR)DriveLetter;
PrintStatus("Formatting...");
PF_INIT_OR_OUT(FormatEx, fmifs);
GetWindowTextW(hFileSystem, wFSType, ARRAYSIZE(wFSType));
// We may have a " (Default)" trail
for (i=0; i<wcslen(wFSType); i++) {
if (wFSType[i] == ' ') {
wFSType[i] = 0;
break;
}
}
GetWindowTextW(hLabel, wLabel, ARRAYSIZE(wLabel));
uprintf("Using cluster size: %d bytes\n", ComboBox_GetItemData(hClusterSize, ComboBox_GetCurSel(hClusterSize)));
pfFormatEx(wDriveRoot, SelectedDrive.Geometry.MediaType, wFSType, wLabel,
IsChecked(IDC_QUICKFORMAT), (ULONG)ComboBox_GetItemData(hClusterSize, ComboBox_GetCurSel(hClusterSize)),
FormatExCallback);
if (!IS_ERROR(FormatStatus)) {
uprintf("Format completed.\n");
r = TRUE;
}
out:
return r;
}
static BOOL AnalyzeMBR(HANDLE hPhysicalDrive)
{
FILE fake_fd;
fake_fd._ptr = (char*)hPhysicalDrive;
fake_fd._bufsiz = SelectedDrive.Geometry.BytesPerSector;
// TODO: Apply this detection before partitioning
if (is_br(&fake_fd)) {
uprintf("Drive has an x86 boot sector\n");
} else{
uprintf("Drive is missing an x86 boot sector!\n");
return FALSE;
}
// TODO: Add/Eliminate FAT12?
if (is_fat_16_br(&fake_fd) || is_fat_32_br(&fake_fd)) {
if (entire_fat_16_br_matches(&fake_fd)) {
uprintf("Exact FAT16 DOS boot record match\n");
} else if (entire_fat_16_fd_br_matches(&fake_fd)) {
uprintf("Exact FAT16 FreeDOS boot record match\n");
} else if (entire_fat_32_br_matches(&fake_fd)) {
uprintf("Exact FAT32 DOS boot record match\n");
} else if (entire_fat_32_nt_br_matches(&fake_fd)) {
uprintf("Exact FAT32 NT boot record match\n");
} else if (entire_fat_32_fd_br_matches(&fake_fd)) {
uprintf("Exactly FAT32 FreeDOS boot record match\n");
} else {
uprintf("Unknown FAT16 or FAT32 boot record\n");
}
} else if (is_dos_mbr(&fake_fd)) {
uprintf("Microsoft DOS/NT/95A master boot record match\n");
} else if (is_dos_f2_mbr(&fake_fd)) {
uprintf("Microsoft DOS/NT/95A master boot record with the undocumented\n");
uprintf("F2 instruction match\n");
} else if (is_95b_mbr(&fake_fd)) {
uprintf("Microsoft 95B/98/98SE/ME master boot record match\n");
} else if (is_2000_mbr(&fake_fd)) {
uprintf("Microsoft 2000/XP/2003 master boot record match\n");
} else if (is_vista_mbr(&fake_fd)) {
uprintf("Microsoft Vista master boot record match\n");
} else if (is_win7_mbr(&fake_fd)) {
uprintf("Microsoft 7 master boot record match\n");
} else if (is_zero_mbr(&fake_fd)) {
uprintf("Zeroed non-bootable master boot record match\n");
} else {
uprintf("Unknown boot record\n");
}
return TRUE;
}
/*
* Process the Master Boot Record
*/
static BOOL WriteMBR(HANDLE hPhysicalDrive)
{
BOOL r = FALSE;
unsigned char* buf = NULL;
size_t SecSize = SelectedDrive.Geometry.BytesPerSector;
size_t nSecs = (0x200 + SecSize -1) / SecSize;
FILE fake_fd;
if (!AnalyzeMBR(hPhysicalDrive)) return FALSE;
// FormatEx rewrites the MBR and removes the LBA attribute of FAT16
// and FAT32 partitions - we need to correct this in the MBR
// TODO: something else for bootable GPT
buf = (unsigned char*)malloc(SecSize * nSecs);
if (buf == NULL) {
uprintf("Could not allocate memory for MBR");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_NOT_ENOUGH_MEMORY;
goto out;
}
if (!read_sectors(hPhysicalDrive, SelectedDrive.Geometry.BytesPerSector, 0, nSecs, buf)) {
uprintf("Could not read MBR\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_READ_FAULT;
goto out;
}
switch (ComboBox_GetItemData(hFileSystem, ComboBox_GetCurSel(hFileSystem))) {
case FS_FAT16:
if (buf[0x1c2] == 0x0e) {
uprintf("Partition is already FAT16 LBA...\n");
} else if ((buf[0x1c2] != 0x04) && (buf[0x1c2] != 0x06)) {
uprintf("Warning: converting a non FAT16 partition to FAT16 LBA: FS type=0x%02x\n", buf[0x1c2]);
}
buf[0x1c2] = 0x0e;
break;
case FS_FAT32:
if (buf[0x1c2] == 0x0c) {
uprintf("Partition is already FAT32 LBA...\n");
} else if (buf[0x1c2] != 0x0b) {
uprintf("Warning: converting a non FAT32 partition to FAT32 LBA: FS type=0x%02x\n", buf[0x1c2]);
}
buf[0x1c2] = 0x0c;
break;
}
if (IsChecked(IDC_DOS)) {
buf[0x1be] = 0x80; // Set first partition bootable
}
if (!write_sectors(hPhysicalDrive, SecSize, 0, nSecs, buf)) {
uprintf("Could not write MBR\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_WRITE_FAULT;
goto out;
}
fake_fd._ptr = (char*)hPhysicalDrive;
fake_fd._bufsiz = SelectedDrive.Geometry.BytesPerSector;
r = write_95b_mbr(&fake_fd);
out:
safe_free(buf);
return r;
}
/*
* Process the Partition Boot Record
*/
static BOOL WritePBR(HANDLE hLogicalVolume)
{
FILE fake_fd;
fake_fd._ptr = (char*)hLogicalVolume;
fake_fd._bufsiz = SelectedDrive.Geometry.BytesPerSector;
switch (ComboBox_GetItemData(hFileSystem, ComboBox_GetCurSel(hFileSystem))) {
case FS_FAT16:
if (write_fat_16_br(&fake_fd, 0))
return TRUE;
case FS_FAT32:
if (write_fat_32_br(&fake_fd, 0))
return TRUE;
default:
uprintf("unsupported FS for FS BR processing\n");
break;
}
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_WRITE_FAULT;
return FALSE;
}
/*
* Standalone thread for the formatting operation
*/
void __cdecl FormatThread(void* param)
{
DWORD num = (DWORD)(uintptr_t)param;
HANDLE hPhysicalDrive = INVALID_HANDLE_VALUE;
HANDLE hLogicalVolume = INVALID_HANDLE_VALUE;
char drive_name[] = "?:";
int i;
hPhysicalDrive = GetDriveHandle(num, NULL, TRUE, TRUE);
if (hPhysicalDrive == INVALID_HANDLE_VALUE) {
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_OPEN_FAILED;
goto out;
}
// At this stage with have both a handle and a lock to the physical drive...
if (IsChecked(IDC_BADBLOCKS)) {
// ... but we can't write sectors that are part of a volume, even if we have
// access to physical, unless we have a lock (which doesn't have to be write)
hLogicalVolume = GetDriveHandle(num, drive_name, FALSE, TRUE);
if (hLogicalVolume == INVALID_HANDLE_VALUE) {
uprintf("Could not lock volume for badblock checks\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_OPEN_FAILED;
goto out;
}
if (BadBlocks(hPhysicalDrive, SelectedDrive.DiskSize, SelectedDrive.Geometry.BytesPerSector)) {
// TODO: report block failure number, etc
uprintf("Bad blocks check failed.\n");
goto out;
}
safe_unlockclose(hLogicalVolume);
}
if (!CreatePartition(hPhysicalDrive)) {
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_PARTITION_FAILURE;
goto out;
}
// Make sure we can access the volume again before trying to format it
for (i=0; i<10; i++) {
Sleep(500);
hLogicalVolume = GetDriveHandle(num, drive_name, FALSE, FALSE);
if (hLogicalVolume != INVALID_HANDLE_VALUE) {
break;
}
}
if (i >= 10) {
uprintf("Could not access volume after partitioning\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_OPEN_FAILED;
goto out;
}
// Handle needs to be closed for FormatEx to be happy - we keep a lock though
safe_closehandle(hLogicalVolume);
if (!FormatDrive(drive_name[0])) {
// Error will be set by FormatDrive() in FormatStatus
uprintf("Format error: 0x%08X\n", FormatStatus);
goto out;
}
// TODO: Enable compression on NTFS
// TODO: optionally disable indexing on NTFS
// TODO: use progress bar during MBR/FSBR/MSDOS copy
// TODO: unlock/remount trick to make the volume reappear
PrintStatus("Writing master boot record...\n");
if (!WriteMBR(hPhysicalDrive)) {
// Errorcode has already been set
goto out;
}
if (IsChecked(IDC_DOS)) {
// We must have a lock to modify the volume boot record...
hLogicalVolume = GetDriveHandle(num, drive_name, TRUE, TRUE);
if (hLogicalVolume == INVALID_HANDLE_VALUE) {
uprintf("Could not re-mount volume for partition boot record access\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_OPEN_FAILED;
goto out;
}
PrintStatus("Writing partition boot record...\n");
if (!WritePBR(hLogicalVolume)) {
// Errorcode has already been set
goto out;
}
// ... and we must have relinquished that lock to write the MS-DOS files
safe_unlockclose(hLogicalVolume);
PrintStatus("Copying MS-DOS files...\n");
if (!ExtractMSDOS(drive_name)) {
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_CANNOT_COPY;
goto out;
}
}
out:
safe_unlockclose(hLogicalVolume);
safe_unlockclose(hPhysicalDrive);
PostMessage(hMainDialog, UM_FORMAT_COMPLETED, 0, 0);
_endthread();
}