/** @file\r
-\r
-Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
+Reading/writing MBR/DBR.\r
+ NOTE:\r
+ If we write MBR to disk, we just update the MBR code and the partition table wouldn't be over written.\r
+ If we process DBR, we will patch MBR to set first partition active if no active partition exists.\r
+ \r
+Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials \r
are licensed and made available under the terms and conditions of the BSD License \r
which accompanies this distribution. The full text of the license may be found at \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
\r
-Module Name:\r
-\r
- genbootsector.c\r
- \r
-Abstract:\r
- Reading/writing MBR/DBR.\r
- NOTE:\r
- If we write MBR to disk, we just update the MBR code and the partition table wouldn't be over written.\r
- If we process DBR, we will patch MBR to set first partition active if no active partition exists.\r
-\r
**/\r
\r
#include <windows.h>\r
// Utility version information\r
//\r
#define UTILITY_MAJOR_VERSION 0\r
-#define UTILITY_MINOR_VERSION 1\r
+#define UTILITY_MINOR_VERSION 2\r
\r
#define MAX_DRIVE 26\r
#define PARTITION_TABLE_OFFSET 0x1BE\r
if (VolumeHandle == INVALID_HANDLE_VALUE) {\r
fprintf (\r
stderr, \r
- "error E0005: CreateFile failed: Volume = %s, LastError = 0x%x\n", \r
+ "error E0005: CreateFile failed: Volume = %s, LastError = 0x%lx\n", \r
VolumeAccessPath, \r
GetLastError ()\r
);\r
//\r
// Only care about the disk.\r
//\r
+ CloseHandle(VolumeHandle);\r
return FALSE;\r
} else{\r
DriveInfo->DiskNumber = StorageDeviceNumber.DeviceNumber;\r
Description:\r
Get the offset of boot sector.\r
For non-MBR disk, offset is just 0\r
- for disk with MBR, offset needs to be caculated by parsing MBR\r
+ for disk with MBR, offset needs to be calculated by parsing MBR\r
\r
NOTE: if no one is active, we will patch MBR to select first partition as active.\r
\r
BYTE DiskPartitionBackup[0x200] = {0};\r
DWORD BytesReturn;\r
INT DrvNumOffset;\r
- HANDLE InputHandle;\r
- HANDLE OutputHandle;\r
+ HANDLE InputHandle = INVALID_HANDLE_VALUE;\r
+ HANDLE OutputHandle = INVALID_HANDLE_VALUE;\r
ERROR_STATUS Status;\r
DWORD InputDbrOffset;\r
DWORD OutputDbrOffset;\r
//\r
Status = GetFileHandle(InputInfo, ProcessMbr, &InputHandle, &InputDbrOffset);\r
if (Status != ErrorSuccess) {\r
- return Status;\r
+ goto Done;\r
}\r
\r
//\r
//\r
Status = GetFileHandle(OutputInfo, ProcessMbr, &OutputHandle, &OutputDbrOffset);\r
if (Status != ErrorSuccess) {\r
- return Status;\r
+ goto Done;\r
}\r
\r
//\r
// Read boot sector from source disk/file\r
// \r
if (!ReadFile (InputHandle, DiskPartition, 0x200, &BytesReturn, NULL)) {\r
- return ErrorFileReadWrite;\r
+ Status = ErrorFileReadWrite;\r
+ goto Done;\r
}\r
\r
if (InputInfo->Type == PathUsb) {\r
//\r
DrvNumOffset = GetDrvNumOffset (DiskPartition);\r
if (DrvNumOffset == -1) {\r
- return ErrorFatType;\r
+ Status = ErrorFatType;\r
+ goto Done;\r
}\r
//\r
// Some legacy BIOS require 0x80 discarding MBR.\r
// Use original partition table\r
//\r
if (!ReadFile (OutputHandle, DiskPartitionBackup, 0x200, &BytesReturn, NULL)) {\r
- return ErrorFileReadWrite;\r
+ Status = ErrorFileReadWrite;\r
+ goto Done;\r
}\r
memcpy (DiskPartition + 0x1BE, DiskPartitionBackup + 0x1BE, 0x40);\r
SetFilePointer (OutputHandle, 0, NULL, FILE_BEGIN);\r
// Write boot sector to taget disk/file\r
// \r
if (!WriteFile (OutputHandle, DiskPartition, 0x200, &BytesReturn, NULL)) {\r
- return ErrorFileReadWrite;\r
+ Status = ErrorFileReadWrite;\r
+ goto Done;\r
}\r
\r
- CloseHandle (InputHandle);\r
- CloseHandle (OutputHandle);\r
+Done:\r
+ if (InputHandle != INVALID_HANDLE_VALUE) {\r
+ CloseHandle (InputHandle);\r
+ }\r
+ if (OutputHandle != INVALID_HANDLE_VALUE) {\r
+ CloseHandle (OutputHandle);\r
+ }\r
\r
- return ErrorSuccess;\r
+ return Status;\r
}\r
\r
void\r
\r
--*/\r
{\r
- printf ("%s Version %d.%d Build%s\n", UTILITY_NAME, UTILITY_MAJOR_VERSION, UTILITY_MINOR_VERSION, __BUILD_VERSION);\r
+ printf ("%s Version %d.%d %s\n", UTILITY_NAME, UTILITY_MAJOR_VERSION, UTILITY_MINOR_VERSION, __BUILD_VERSION);\r
}\r
\r
VOID\r
)\r
{\r
printf ("Usage: GenBootSector [options] --cfg-file CFG_FILE\n\n\\r
-Copyright (c) 2009 - 2013, Intel Corporation. All rights reserved.\n\n\\r
+Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.\n\n\\r
Utility to retrieve and update the boot sector or MBR.\n\n\\r
optional arguments:\n\\r
-h, --help Show this help message and exit\n\\r
}\r
\r
if (!GetDriveInfo(VolumeLetter, &DriveInfo)) {\r
- fprintf (stderr, "ERROR: GetDriveInfo - 0x%x\n", GetLastError ());\r
+ fprintf (stderr, "ERROR: GetDriveInfo - 0x%lx\n", GetLastError ());\r
return ErrorPath;\r
}\r
\r
return ErrorSuccess;\r
} \r
\r
+ //\r
+ // Check the path length\r
+ //\r
+ if (strlen (PathInfo->Path) >= (sizeof (PathInfo->PhysicalPath) / sizeof (PathInfo->PhysicalPath[0]))) {\r
+ fprintf (stderr, "ERROR, Path is too long for - %s", PathInfo->Path);\r
+ return ErrorPath;\r
+ }\r
+\r
PathInfo->Type = PathFile;\r
if (PathInfo->Input) {\r
//\r
// If path is file path, check whether file is valid.\r
//\r
- f = fopen (PathInfo->Path, "r");\r
+ f = fopen (LongFilePath (PathInfo->Path), "r");\r
if (f == NULL) {\r
fprintf (stderr, "error E2003: File was not provided!\n");\r
return ErrorPath;\r
- } \r
+ }\r
+ fclose (f);\r
}\r
PathInfo->Type = PathFile;\r
- strcpy(PathInfo->PhysicalPath, PathInfo->Path);\r
+ strncpy(\r
+ PathInfo->PhysicalPath,\r
+ PathInfo->Path,\r
+ sizeof (PathInfo->PhysicalPath) / sizeof (PathInfo->PhysicalPath[0]) - 1\r
+ );\r
+ PathInfo->PhysicalPath[sizeof (PathInfo->PhysicalPath) / sizeof (PathInfo->PhysicalPath[0]) - 1] = 0;\r
\r
return ErrorSuccess;\r
} \r
} else {\r
fprintf (\r
stderr, \r
- "%s: %s %s: failed - %s (LastError: 0x%x)!\n",\r
+ "%s: %s %s: failed - %s (LastError: 0x%lx)!\n",\r
(Status == ErrorNoMbr) ? "WARNING" : "ERROR",\r
(OutputPathInfo.Type != PathFile) ? "Write" : "Read", \r
ProcessMbr ? "MBR" : "DBR", \r
projects / mirror_edk2.git / blobdiff