20 Feb
2025
20 Feb
'25
5:28 p.m.
https://git.reactos.org/?p=reactos.git;a=commitdiff;h=a980ad08b425f2c26cfa6…
commit a980ad08b425f2c26cfa6cc3329db648592425f4
Author: Daniel Victor <ilauncherdeveloper(a)gmail.com>
AuthorDate: Sun Jan 19 22:03:58 2025 -0300
Commit: Timo Kreuzer <timo.kreuzer(a)reactos.org>
CommitDate: Thu Feb 20 19:28:41 2025 +0200
[FREELDR] Rewrite the header and reformat/adapt current code
---
boot/freeldr/freeldr/include/fs/ext.h | 367 ++++++++++++++++++----------------
boot/freeldr/freeldr/lib/fs/ext.c | 348 ++++++++++++++++----------------
2 files changed, 364 insertions(+), 351 deletions(-)
diff --git a/boot/freeldr/freeldr/include/fs/ext.h b/boot/freeldr/freeldr/include/fs/ext.h
index 733a731e555..3ca1fe18d92 100644
--- a/boot/freeldr/freeldr/include/fs/ext.h
+++ b/boot/freeldr/freeldr/include/fs/ext.h
@@ -1,6 +1,7 @@
/*
* FreeLoader
* Copyright (C) 1998-2003 Brian Palmer <brianp(a)sginet.com>
+ * Copyright (C) 2024-2025 Daniel Victor <ilauncherdeveloper(a)gmail.com>
*
* 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
@@ -39,202 +40,214 @@
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
-/* Magic value used to identify an ext filesystem. */
-#define EXT_MAGIC 0xEF53
-/* Amount of indirect blocks in an inode. */
-#define INDIRECT_BLOCKS 12
-/* Maximum length of a pathname. */
-#define EXT_PATH_MAX 4096
-/* Maximum nesting of symlinks, used to prevent a loop. */
-#define EXT_MAX_SYMLINKCNT 8
-
-/* The good old revision and the default inode size. */
-#define EXT_GOOD_OLD_REVISION 0
-#define EXT_DYNAMIC_REVISION 1
-#define EXT_GOOD_OLD_INODE_SIZE 128
-
-/* Filetype used in directory entry. */
-#define FILETYPE_UNKNOWN 0
-#define FILETYPE_REG 1
-#define FILETYPE_DIRECTORY 2
-#define FILETYPE_SYMLINK 7
-
-/* Filetype information as used in inodes. */
-#define FILETYPE_INO_MASK 0170000
-#define FILETYPE_INO_REG 0100000
-#define FILETYPE_INO_DIRECTORY 0040000
-#define FILETYPE_INO_SYMLINK 0120000
-
-/* The ext superblock. */
-struct ext_sblock
+#include <pshpack1.h>
+
+#define EXT_SUPERBLOCK_MAGIC 0xEF53
+#define EXT_DYNAMIC_REVISION 1
+#define EXT_DEFAULT_INODE_SIZE 128
+#define EXT_DEFAULT_GROUP_DESC_SIZE 32
+
+#define EXT_DIR_ENTRY_MAX_NAME_LENGTH 255
+
+typedef struct _ExtSuperBlock
{
- ULONG total_inodes;
- ULONG total_blocks;
- ULONG reserved_blocks;
- ULONG free_blocks;
- ULONG free_inodes;
- ULONG first_data_block;
- ULONG log2_block_size;
- LONG log2_fragment_size;
- ULONG blocks_per_group;
- ULONG fragments_per_group;
- ULONG inodes_per_group;
- ULONG mtime;
- ULONG utime;
- USHORT mnt_count;
- USHORT max_mnt_count;
- USHORT magic;
- USHORT fs_state;
- USHORT error_handling;
- USHORT minor_revision_level;
- ULONG lastcheck;
- ULONG checkinterval;
- ULONG creator_os;
- ULONG revision_level;
- USHORT uid_reserved;
- USHORT gid_reserved;
- ULONG first_inode;
- USHORT inode_size;
- USHORT block_group_number;
- ULONG feature_compatibility;
- ULONG feature_incompat;
- ULONG feature_ro_compat;
- ULONG unique_id[4];
- char volume_name[16];
- char last_mounted_on[64];
- ULONG compression_info;
- ULONG padding[77];
-};
-
-/* The ext blockgroup. */
-struct ext_block_group
+ /* SuperBlock Information Ext2 */
+ ULONG InodesCount;
+ ULONG BlocksCountLo;
+ ULONG RBlocksCountLo;
+ ULONG FreeBlocksCountLo;
+ ULONG FreeInodesCount;
+ ULONG FirstDataBlock;
+ ULONG LogBlockSize;
+ LONG LogFragSize;
+ ULONG BlocksPerGroup;
+ ULONG FragsPerGroup;
+ ULONG InodesPerGroup;
+ ULONG MTime;
+ ULONG WTime;
+ USHORT MntCount;
+ USHORT MaxMntCount;
+ USHORT Magic;
+ USHORT State;
+ USHORT Errors;
+ USHORT MinorRevisionLevel;
+ ULONG LastCheck;
+ ULONG CheckInterval;
+ ULONG CreatorOS;
+ ULONG RevisionLevel;
+ USHORT DefResUID;
+ USHORT DefResGID;
+
+ /* SuperBlock Information Ext3 */
+ ULONG FirstInode;
+ USHORT InodeSize;
+ USHORT BlockGroupNr;
+ ULONG FeatureCompat;
+ ULONG FeatureIncompat;
+ ULONG FeatureROCompat;
+ UCHAR UUID[16];
+ CHAR VolumeName[16];
+ CHAR LastMounted[64];
+ ULONG AlgorithmUsageBitmap;
+ UCHAR PreallocBlocks;
+ UCHAR PreallocDirBlocks;
+ USHORT ReservedGdtBlocks;
+ UCHAR JournalUUID[16];
+ ULONG JournalInum;
+ ULONG JournalDev;
+ ULONG LastOrphan;
+ ULONG HashSeed[4];
+ UCHAR DefHashVersion;
+ UCHAR JournalBackupType;
+ USHORT GroupDescSize;
+ UCHAR Reserved[768];
+} EXT_SUPER_BLOCK, *PEXT_SUPER_BLOCK;
+
+typedef struct _ExtGroupDescriptor
{
- ULONG block_id;
- ULONG inode_id;
- ULONG inode_table_id;
- USHORT free_blocks;
- USHORT free_inodes;
- USHORT used_dirs;
- USHORT pad;
- ULONG reserved[3];
-};
-
-/* The ext inode. */
-struct ext_inode
+ ULONG BlockBitmap;
+ ULONG InodeBitmap;
+ ULONG InodeTable;
+ USHORT FreeBlocksCount;
+ USHORT FreeInodesCount;
+ USHORT UsedDirsCount;
+} EXT_GROUP_DESC, *PEXT_GROUP_DESC;
+
+typedef struct _Ext4ExtentHeader
{
- USHORT mode;
- USHORT uid;
- ULONG size;
- ULONG atime;
- ULONG ctime;
- ULONG mtime;
- ULONG dtime;
- USHORT gid;
- USHORT nlinks;
- ULONG blockcnt; /* Blocks of 512 bytes!! */
- ULONG flags;
- ULONG osd1;
- union
- {
- struct datablocks
- {
- ULONG dir_blocks[INDIRECT_BLOCKS];
- ULONG indir_block;
- ULONG double_indir_block;
- ULONG tripple_indir_block;
- } blocks;
- char symlink[60];
- };
- ULONG version;
- ULONG acl;
- ULONG dir_acl;
- ULONG fragment_addr;
- ULONG osd2[3];
-};
-
-/* The header of an ext directory entry. */
-#define EXT_NAME_LEN 255
-
-struct ext_dirent
+ USHORT Magic;
+ USHORT Entries;
+ USHORT Max;
+ USHORT Depth;
+ ULONG Generation;
+} EXT4_EXTENT_HEADER, *PEXT4_EXTENT_HEADER;
+
+typedef struct _Ext4ExtentIdx
{
- ULONG inode;
- USHORT direntlen;
- UCHAR namelen;
- UCHAR filetype;
- CHAR name[EXT_NAME_LEN];
-};
+ ULONG Block;
+ ULONG Leaf;
+ USHORT LeafHigh;
+ USHORT Unused;
+} EXT4_EXTENT_IDX, *PEXT4_EXTENT_IDX;
-/*
- * End of code from grub/fs/ext2.c
- */
+typedef struct _Ext4Extent
+{
+ ULONG Block;
+ USHORT Length;
+ USHORT StartHigh;
+ ULONG Start;
+} EXT4_EXTENT, *PEXT4_EXTENT;
+
+typedef struct _ExtInode
+{
+ USHORT Mode;
+ USHORT UID;
+ ULONG Size;
+ ULONG Atime;
+ ULONG Ctime;
+ ULONG Mtime;
+ ULONG Dtime;
+ USHORT GID;
+ USHORT LinksCount;
+ ULONG BlocksCount;
+ ULONG Flags;
+ ULONG OSD1;
+ union
+ {
+ CHAR SymLink[60];
+ struct
+ {
+ ULONG DirectBlocks[12];
+ ULONG IndirectBlock;
+ ULONG DoubleIndirectBlock;
+ ULONG TripleIndirectBlock;
+ } Blocks;
+ EXT4_EXTENT_HEADER ExtentHeader;
+ };
+ ULONG Generation;
+ ULONG FileACL;
+ ULONG DirACL;
+ ULONG FragAddress;
+ ULONG OSD2[3];
+} EXT_INODE, *PEXT_INODE;
+
+typedef struct _ExtDirEntry
+{
+ ULONG Inode;
+ USHORT EntryLen;
+ UCHAR NameLen;
+ UCHAR FileType;
+ CHAR Name[EXT_DIR_ENTRY_MAX_NAME_LENGTH];
+} EXT_DIR_ENTRY, *PEXT_DIR_ENTRY;
-typedef struct ext_sblock EXT_SUPER_BLOCK, *PEXT_SUPER_BLOCK;
-typedef struct ext_inode EXT_INODE, *PEXT_INODE;
-typedef struct ext_block_group EXT_GROUP_DESC, *PEXT_GROUP_DESC;
-typedef struct ext_dirent EXT_DIR_ENTRY, *PEXT_DIR_ENTRY;
+#include <poppack.h>
/* Special inode numbers. */
-#define EXT_ROOT_INO 2
+#define EXT_ROOT_INODE 2
+
+/* The revision level. */
+#define EXT_REVISION(sb) (sb->RevisionLevel)
-/* Feature set definitions. */
-#define EXT3_FEATURE_INCOMPAT_SUPP 0x0002
+/* The inode size. */
+#define EXT_INODE_SIZE(sb) \
+ (EXT_REVISION(sb) < EXT_DYNAMIC_REVISION ? EXT_DEFAULT_INODE_SIZE :
sb->InodeSize)
-/* Log2 size of ext block in bytes. */
-#define LOG2_BLOCK_SIZE(sb) (sb->log2_block_size + 10)
+/* The group descriptor size. */
+#define EXT_GROUP_DESC_SIZE(sb) \
+ ((EXT_REVISION(sb) >= EXT_DYNAMIC_REVISION && sb->GroupDescSize) ?
sb->GroupDescSize : EXT_DEFAULT_GROUP_DESC_SIZE)
-/* The size of an ext block in bytes. */
-#define EXT_BLOCK_SIZE(sb) (((SIZE_T)1) << LOG2_BLOCK_SIZE(sb))
+/* The inode extents flag. */
+#define EXT4_INODE_FLAG_EXTENTS 0x80000
-/* The revision level. */
-#define EXT_REVISION(sb) (sb->revision_level)
+/* The extent header magic value. */
+#define EXT4_EXTENT_HEADER_MAGIC 0xF30A
-/* The inode size. */
-#define EXT_INODE_SIZE(sb) (EXT_REVISION(sb) == EXT_GOOD_OLD_REVISION \
- ? EXT_GOOD_OLD_INODE_SIZE \
- : sb->inode_size)
+/* The maximum extent level. */
+#define EXT4_EXTENT_MAX_LEVEL 5
-#define EXT_DESC_PER_BLOCK(s) (EXT_BLOCK_SIZE(s) / sizeof(struct ext_block_group))
+/* The maximum extent length used to check for sparse extents. */
+#define EXT4_EXTENT_MAX_LENGTH 32768
// EXT_INODE::mode values
-#define EXT_S_IRWXO 0x0007 // Other mask
-#define EXT_S_IXOTH 0x0001 // ---------x execute
-#define EXT_S_IWOTH 0x0002 // --------w- write
-#define EXT_S_IROTH 0x0004 // -------r-- read
-
-#define EXT_S_IRWXG 0x0038 // Group mask
-#define EXT_S_IXGRP 0x0008 // ------x--- execute
-#define EXT_S_IWGRP 0x0010 // -----w---- write
-#define EXT_S_IRGRP 0x0020 // ----r----- read
-
-#define EXT_S_IRWXU 0x01C0 // User mask
-#define EXT_S_IXUSR 0x0040 // ---x------ execute
-#define EXT_S_IWUSR 0x0080 // --w------- write
-#define EXT_S_IRUSR 0x0100 // -r-------- read
-
-#define EXT_S_ISVTX 0x0200 // Sticky bit
-#define EXT_S_ISGID 0x0400 // SGID
-#define EXT_S_ISUID 0x0800 // SUID
-
-#define EXT_S_IFMT 0xF000 // Format mask
-#define EXT_S_IFIFO 0x1000 // FIFO buffer
-#define EXT_S_IFCHR 0x2000 // Character device
-#define EXT_S_IFDIR 0x4000 // Directory
-#define EXT_S_IFBLK 0x6000 // Block device
-#define EXT_S_IFREG 0x8000 // Regular file
-#define EXT_S_IFLNK 0xA000 // Symbolic link
-#define EXT_S_IFSOCK 0xC000 // Socket
-
-#define FAST_SYMLINK_MAX_NAME_SIZE 60
+#define EXT_S_IRWXO 0x0007 // Other mask
+#define EXT_S_IXOTH 0x0001 // ---------x execute
+#define EXT_S_IWOTH 0x0002 // --------w- write
+#define EXT_S_IROTH 0x0004 // -------r-- read
+
+#define EXT_S_IRWXG 0x0038 // Group mask
+#define EXT_S_IXGRP 0x0008 // ------x--- execute
+#define EXT_S_IWGRP 0x0010 // -----w---- write
+#define EXT_S_IRGRP 0x0020 // ----r----- read
+
+#define EXT_S_IRWXU 0x01C0 // User mask
+#define EXT_S_IXUSR 0x0040 // ---x------ execute
+#define EXT_S_IWUSR 0x0080 // --w------- write
+#define EXT_S_IRUSR 0x0100 // -r-------- read
+
+#define EXT_S_ISVTX 0x0200 // Sticky bit
+#define EXT_S_ISGID 0x0400 // SGID
+#define EXT_S_ISUID 0x0800 // SUID
+
+#define EXT_S_IFMT 0xF000 // Format mask
+#define EXT_S_IFIFO 0x1000 // FIFO buffer
+#define EXT_S_IFCHR 0x2000 // Character device
+#define EXT_S_IFDIR 0x4000 // Directory
+#define EXT_S_IFBLK 0x6000 // Block device
+#define EXT_S_IFREG 0x8000 // Regular file
+#define EXT_S_IFLNK 0xA000 // Symbolic link
+#define EXT_S_IFSOCK 0xC000 // Socket
+
+#define FAST_SYMLINK_MAX_NAME_SIZE 60
typedef struct _EXT_VOLUME_INFO *PEXT_VOLUME_INFO;
-typedef struct
+typedef struct _EXT_FILE_INFO
{
- ULONGLONG FileSize; // File size
- ULONGLONG FilePointer; // File pointer
- ULONG* FileBlockList; // File block list
- EXT_INODE Inode; // File's inode
- PEXT_VOLUME_INFO Volume;
-} EXT_FILE_INFO, * PEXT_FILE_INFO;
+ ULONGLONG FileSize; // File size
+ ULONGLONG FilePointer; // File pointer
+ PULONG FileBlockList; // File block list
+ EXT_INODE Inode; // File's inode
+ PEXT_VOLUME_INFO Volume;
+} EXT_FILE_INFO, *PEXT_FILE_INFO;
const DEVVTBL* ExtMount(ULONG DeviceId);
diff --git a/boot/freeldr/freeldr/lib/fs/ext.c b/boot/freeldr/freeldr/lib/fs/ext.c
index 1197e4566b2..6503bfca2f0 100644
--- a/boot/freeldr/freeldr/lib/fs/ext.c
+++ b/boot/freeldr/freeldr/lib/fs/ext.c
@@ -1,6 +1,7 @@
/*
* FreeLoader
* Copyright (C) 1998-2003 Brian Palmer <brianp(a)sginet.com>
+ * Copyright (C) 2024-2025 Daniel Victor <ilauncherdeveloper(a)gmail.com>
*
* 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
@@ -54,6 +55,8 @@ typedef struct _EXT_VOLUME_INFO
ULONG BlockSizeInSectors; // Block size in sectors
ULONG FragmentSizeInBytes; // Fragment size in bytes
ULONG FragmentSizeInSectors; // Fragment size in sectors
+ ULONG InodeSizeInBytes; // Inode size in bytes
+ ULONG GroupDescSizeInBytes; // Group descriptor size in bytes
ULONG GroupCount; // Number of groups in this file system
ULONG InodesPerBlock; // Number of inodes in one block
ULONG GroupDescPerBlock; // Number of group descriptors in one block
@@ -104,11 +107,11 @@ PEXT_FILE_INFO ExtOpenFile(PEXT_VOLUME_INFO Volume, PCSTR FileName)
{
EXT_FILE_INFO TempExtFileInfo;
PEXT_FILE_INFO FileHandle;
- CHAR SymLinkPath[EXT_NAME_LEN];
- CHAR FullPath[EXT_NAME_LEN * 2];
+ CHAR SymLinkPath[EXT_DIR_ENTRY_MAX_NAME_LENGTH];
+ CHAR FullPath[EXT_DIR_ENTRY_MAX_NAME_LENGTH * 2];
ULONG_PTR Index;
- TRACE("ExtOpenFile() FileName = %s\n", FileName);
+ TRACE("ExtOpenFile() FileName = \"%s\"\n", FileName);
RtlZeroMemory(SymLinkPath, sizeof(SymLinkPath));
@@ -120,7 +123,7 @@ PEXT_FILE_INFO ExtOpenFile(PEXT_VOLUME_INFO Volume, PCSTR FileName)
// If we got a symbolic link then fix up the path
// and re-call this function
- if ((TempExtFileInfo.Inode.mode & EXT_S_IFMT) == EXT_S_IFLNK)
+ if ((TempExtFileInfo.Inode.Mode & EXT_S_IFMT) == EXT_S_IFLNK)
{
TRACE("File is a symbolic link\n");
@@ -135,14 +138,14 @@ PEXT_FILE_INFO ExtOpenFile(PEXT_VOLUME_INFO Volume, PCSTR FileName)
return NULL;
}
- TRACE("Symbolic link path = %s\n", SymLinkPath);
+ TRACE("Symbolic link path = \"%s\"\n", SymLinkPath);
// Get the full path
if (SymLinkPath[0] == '/' || SymLinkPath[0] == '\\')
{
// Symbolic link is an absolute path
// So copy it to FullPath, but skip over
- // the '/' char at the beginning
+ // the '/' character at the beginning
strcpy(FullPath, &SymLinkPath[1]);
}
else
@@ -167,7 +170,7 @@ PEXT_FILE_INFO ExtOpenFile(PEXT_VOLUME_INFO Volume, PCSTR FileName)
strcat(FullPath, SymLinkPath);
}
- TRACE("Full file path = %s\n", FullPath);
+ TRACE("Full file path = \"%s\"\n", FullPath);
if (TempExtFileInfo.FileBlockList != NULL)
{
@@ -208,11 +211,11 @@ BOOLEAN ExtLookupFile(PEXT_VOLUME_INFO Volume, PCSTR FileName,
PEXT_FILE_INFO Ex
ULONG NumberOfPathParts;
CHAR PathPart[261];
PVOID DirectoryBuffer;
- ULONG DirectoryInode = EXT_ROOT_INO;
+ ULONG DirectoryInode = EXT_ROOT_INODE;
EXT_INODE InodeData;
EXT_DIR_ENTRY DirectoryEntry;
- TRACE("ExtLookupFile() FileName = %s\n", FileName);
+ TRACE("ExtLookupFile() FileName = \"%s\"\n", FileName);
RtlZeroMemory(ExtFileInfo, sizeof(EXT_FILE_INFO));
@@ -261,7 +264,7 @@ BOOLEAN ExtLookupFile(PEXT_VOLUME_INFO Volume, PCSTR FileName,
PEXT_FILE_INFO Ex
FrLdrTempFree(DirectoryBuffer, TAG_EXT_BUFFER);
- DirectoryInode = DirectoryEntry.inode;
+ DirectoryInode = DirectoryEntry.Inode;
}
if (!ExtReadInode(Volume, DirectoryInode, &InodeData))
@@ -269,8 +272,8 @@ BOOLEAN ExtLookupFile(PEXT_VOLUME_INFO Volume, PCSTR FileName,
PEXT_FILE_INFO Ex
return FALSE;
}
- if (((InodeData.mode & EXT_S_IFMT) != EXT_S_IFREG) &&
- ((InodeData.mode & EXT_S_IFMT) != EXT_S_IFLNK))
+ if (((InodeData.Mode & EXT_S_IFMT) != EXT_S_IFREG) &&
+ ((InodeData.Mode & EXT_S_IFMT) != EXT_S_IFLNK))
{
FileSystemError("Inode is not a regular file or symbolic link.");
return FALSE;
@@ -282,8 +285,8 @@ BOOLEAN ExtLookupFile(PEXT_VOLUME_INFO Volume, PCSTR FileName,
PEXT_FILE_INFO Ex
// If it's a regular file or a regular symbolic link
// then get the block pointer list otherwise it must
// be a fast symbolic link which doesn't have a block list
- if (((InodeData.mode & EXT_S_IFMT) == EXT_S_IFREG) ||
- ((InodeData.mode & EXT_S_IFMT) == EXT_S_IFLNK && InodeData.size >
FAST_SYMLINK_MAX_NAME_SIZE))
+ if (((InodeData.Mode & EXT_S_IFMT) == EXT_S_IFREG) ||
+ ((InodeData.Mode & EXT_S_IFMT) == EXT_S_IFLNK && InodeData.Size >
FAST_SYMLINK_MAX_NAME_SIZE))
{
ExtFileInfo->FileBlockList = ExtReadBlockPointerList(Volume, &InodeData);
if (ExtFileInfo->FileBlockList == NULL)
@@ -305,50 +308,49 @@ BOOLEAN ExtLookupFile(PEXT_VOLUME_INFO Volume, PCSTR FileName,
PEXT_FILE_INFO Ex
BOOLEAN ExtSearchDirectoryBufferForFile(PVOID DirectoryBuffer, ULONG DirectorySize, PCHAR
FileName, PEXT_DIR_ENTRY DirectoryEntry)
{
- ULONG CurrentOffset;
- PEXT_DIR_ENTRY CurrentDirectoryEntry;
+ ULONG CurrentOffset = 0;
+ PEXT_DIR_ENTRY CurrentDirectoryEntry;
- TRACE("ExtSearchDirectoryBufferForFile() DirectoryBuffer = 0x%x DirectorySize =
%d FileName = %s\n", DirectoryBuffer, DirectorySize, FileName);
+ TRACE("ExtSearchDirectoryBufferForFile() DirectoryBuffer = 0x%x DirectorySize =
%d FileName = \"%s\"\n", DirectoryBuffer, DirectorySize, FileName);
- for (CurrentOffset=0; CurrentOffset<DirectorySize; )
+ while (CurrentOffset < DirectorySize)
{
CurrentDirectoryEntry = (PEXT_DIR_ENTRY)((ULONG_PTR)DirectoryBuffer +
CurrentOffset);
- if (CurrentDirectoryEntry->direntlen == 0)
- {
+ if (!CurrentDirectoryEntry->EntryLen)
break;
- }
- if ((CurrentDirectoryEntry->direntlen + CurrentOffset) > DirectorySize)
+ if ((CurrentDirectoryEntry->EntryLen + CurrentOffset) > DirectorySize)
{
FileSystemError("Directory entry extends past end of directory
file.");
return FALSE;
}
- TRACE("Dumping directory entry at offset %d:\n", CurrentOffset);
- DbgDumpBuffer(DPRINT_FILESYSTEM, CurrentDirectoryEntry,
CurrentDirectoryEntry->direntlen);
+ if (!CurrentDirectoryEntry->Inode)
+ goto NextDirectoryEntry;
- if ((_strnicmp(FileName, CurrentDirectoryEntry->name,
CurrentDirectoryEntry->namelen) == 0) &&
- (strlen(FileName) == CurrentDirectoryEntry->namelen))
+ TRACE("EXT Directory Entry:\n");
+ TRACE("Inode = %d\n", CurrentDirectoryEntry->Inode);
+ TRACE("EntryLen = %d\n", CurrentDirectoryEntry->EntryLen);
+ TRACE("NameLen = %d\n", CurrentDirectoryEntry->NameLen);
+ TRACE("FileType = %d\n", CurrentDirectoryEntry->FileType);
+ TRACE("Name = \"");
+ for (ULONG NameOffset = 0; NameOffset < CurrentDirectoryEntry->NameLen;
NameOffset++)
{
- RtlCopyMemory(DirectoryEntry, CurrentDirectoryEntry, sizeof(EXT_DIR_ENTRY));
+ TRACE("%c", CurrentDirectoryEntry->Name[NameOffset]);
+ }
+ TRACE("\"\n\n");
- TRACE("EXT Directory Entry:\n");
- TRACE("inode = %d\n", DirectoryEntry->inode);
- TRACE("direntlen = %d\n", DirectoryEntry->direntlen);
- TRACE("namelen = %d\n", DirectoryEntry->namelen);
- TRACE("filetype = %d\n", DirectoryEntry->filetype);
- TRACE("name = ");
- for (CurrentOffset=0; CurrentOffset<DirectoryEntry->namelen;
CurrentOffset++)
- {
- TRACE("%c", DirectoryEntry->name[CurrentOffset]);
- }
- TRACE("\n");
+ if (strlen(FileName) == CurrentDirectoryEntry->NameLen &&
+ !_strnicmp(FileName, CurrentDirectoryEntry->Name,
CurrentDirectoryEntry->NameLen))
+ {
+ RtlCopyMemory(DirectoryEntry, CurrentDirectoryEntry, sizeof(EXT_DIR_ENTRY));
return TRUE;
}
- CurrentOffset += CurrentDirectoryEntry->direntlen;
+NextDirectoryEntry:
+ CurrentOffset += CurrentDirectoryEntry->EntryLen;
}
return FALSE;
@@ -380,7 +382,7 @@ BOOLEAN ExtReadFileBig(PEXT_FILE_INFO ExtFileInfo, ULONGLONG
BytesToRead, ULONGL
{
// Block pointer list is NULL
// so this better be a fast symbolic link or else
- if (((ExtFileInfo->Inode.mode & EXT_S_IFMT) != EXT_S_IFLNK) ||
+ if (((ExtFileInfo->Inode.Mode & EXT_S_IFMT) != EXT_S_IFLNK) ||
(ExtFileInfo->FileSize > FAST_SYMLINK_MAX_NAME_SIZE))
{
FileSystemError("Block pointer list is NULL and file is not a fast
symbolic link.");
@@ -408,13 +410,13 @@ BOOLEAN ExtReadFileBig(PEXT_FILE_INFO ExtFileInfo, ULONGLONG
BytesToRead, ULONGL
// Check if this is a fast symbolic link
// if so then the read is easy
- if (((ExtFileInfo->Inode.mode & EXT_S_IFMT) == EXT_S_IFLNK) &&
+ if (((ExtFileInfo->Inode.Mode & EXT_S_IFMT) == EXT_S_IFLNK) &&
(ExtFileInfo->FileSize <= FAST_SYMLINK_MAX_NAME_SIZE))
{
TRACE("Reading fast symbolic link data\n");
// Copy the data from the link
- RtlCopyMemory(Buffer, (PVOID)((ULONG_PTR)ExtFileInfo->FilePointer +
ExtFileInfo->Inode.symlink), (ULONG)BytesToRead);
+ RtlCopyMemory(Buffer, (PVOID)((ULONG_PTR)ExtFileInfo->FilePointer +
ExtFileInfo->Inode.SymLink), (ULONG)BytesToRead);
if (BytesRead != NULL)
{
@@ -615,94 +617,96 @@ BOOLEAN ExtReadSuperBlock(PEXT_VOLUME_INFO Volume)
return FALSE;
TRACE("Dumping super block:\n");
- TRACE("total_inodes: %d\n", SuperBlock->total_inodes);
- TRACE("total_blocks: %d\n", SuperBlock->total_blocks);
- TRACE("reserved_blocks: %d\n", SuperBlock->reserved_blocks);
- TRACE("free_blocks: %d\n", SuperBlock->free_blocks);
- TRACE("free_inodes: %d\n", SuperBlock->free_inodes);
- TRACE("first_data_block: %d\n", SuperBlock->first_data_block);
- TRACE("log2_block_size: %d\n", SuperBlock->log2_block_size);
- TRACE("log2_fragment_size: %d\n", SuperBlock->log2_fragment_size);
- TRACE("blocks_per_group: %d\n", SuperBlock->blocks_per_group);
- TRACE("fragments_per_group: %d\n", SuperBlock->fragments_per_group);
- TRACE("inodes_per_group: %d\n", SuperBlock->inodes_per_group);
- TRACE("mtime: %d\n", SuperBlock->mtime);
- TRACE("utime: %d\n", SuperBlock->utime);
- TRACE("mnt_count: %d\n", SuperBlock->mnt_count);
- TRACE("max_mnt_count: %d\n", SuperBlock->max_mnt_count);
- TRACE("magic: 0x%x\n", SuperBlock->magic);
- TRACE("fs_state: %d\n", SuperBlock->fs_state);
- TRACE("error_handling: %d\n", SuperBlock->error_handling);
- TRACE("minor_revision_level: %d\n", SuperBlock->minor_revision_level);
- TRACE("lastcheck: %d\n", SuperBlock->lastcheck);
- TRACE("checkinterval: %d\n", SuperBlock->checkinterval);
- TRACE("creator_os: %d\n", SuperBlock->creator_os);
- TRACE("revision_level: %d\n", SuperBlock->revision_level);
- TRACE("uid_reserved: %d\n", SuperBlock->uid_reserved);
- TRACE("gid_reserved: %d\n", SuperBlock->gid_reserved);
- TRACE("first_inode: %d\n", SuperBlock->first_inode);
- TRACE("inode_size: %d\n", SuperBlock->inode_size);
- TRACE("block_group_number: %d\n", SuperBlock->block_group_number);
- TRACE("feature_compatibility: 0x%x\n",
SuperBlock->feature_compatibility);
- TRACE("feature_incompat: 0x%x\n", SuperBlock->feature_incompat);
- TRACE("feature_ro_compat: 0x%x\n", SuperBlock->feature_ro_compat);
- TRACE("unique_id = { 0x%x, 0x%x, 0x%x, 0x%x }\n",
- SuperBlock->unique_id[0], SuperBlock->unique_id[1],
- SuperBlock->unique_id[2], SuperBlock->unique_id[3]);
- TRACE("volume_name = '%.16s'\n", SuperBlock->volume_name);
- TRACE("last_mounted_on = '%.64s'\n",
SuperBlock->last_mounted_on);
- TRACE("compression_info = 0x%x\n", SuperBlock->compression_info);
+ TRACE("InodesCount: %d\n", SuperBlock->InodesCount);
+ TRACE("BlocksCountLo: %d\n", SuperBlock->BlocksCountLo);
+ TRACE("RBlocksCountLo: %d\n", SuperBlock->RBlocksCountLo);
+ TRACE("FreeBlocksCountLo: %d\n", SuperBlock->FreeBlocksCountLo);
+ TRACE("FreeInodesCount: %d\n", SuperBlock->FreeInodesCount);
+ TRACE("FirstDataBlock: %d\n", SuperBlock->FirstDataBlock);
+ TRACE("LogBlockSize: %d\n", SuperBlock->LogBlockSize);
+ TRACE("LogFragSize: %d\n", SuperBlock->LogFragSize);
+ TRACE("BlocksPerGroup: %d\n", SuperBlock->BlocksPerGroup);
+ TRACE("FragsPerGroup: %d\n", SuperBlock->FragsPerGroup);
+ TRACE("InodesPerGroup: %d\n", SuperBlock->InodesPerGroup);
+ TRACE("MTime: %d\n", SuperBlock->MTime);
+ TRACE("WTime: %d\n", SuperBlock->WTime);
+ TRACE("MntCount: %d\n", SuperBlock->MntCount);
+ TRACE("MaxMntCount: %d\n", SuperBlock->MaxMntCount);
+ TRACE("Magic: 0x%x\n", SuperBlock->Magic);
+ TRACE("State: 0x%x\n", SuperBlock->State);
+ TRACE("Errors: 0x%x\n", SuperBlock->Errors);
+ TRACE("MinorRevisionLevel: %d\n", SuperBlock->MinorRevisionLevel);
+ TRACE("LastCheck: %d\n", SuperBlock->LastCheck);
+ TRACE("CheckInterval: %d\n", SuperBlock->CheckInterval);
+ TRACE("CreatorOS: %d\n", SuperBlock->CreatorOS);
+ TRACE("RevisionLevel: %d\n", SuperBlock->RevisionLevel);
+ TRACE("DefResUID: %d\n", SuperBlock->DefResUID);
+ TRACE("DefResGID: %d\n", SuperBlock->DefResGID);
+ TRACE("FirstInode: %d\n", SuperBlock->FirstInode);
+ TRACE("InodeSize: %d\n", SuperBlock->InodeSize);
+ TRACE("BlockGroupNr: %d\n", SuperBlock->BlockGroupNr);
+ TRACE("FeatureCompat: 0x%x\n", SuperBlock->FeatureCompat);
+ TRACE("FeatureIncompat: 0x%x\n", SuperBlock->FeatureIncompat);
+ TRACE("FeatureROCompat: 0x%x\n", SuperBlock->FeatureROCompat);
+ TRACE("UUID: { ");
+ for (ULONG i = 0; i < sizeof(SuperBlock->UUID); i++)
+ {
+ TRACE("0x%02x", SuperBlock->UUID[i]);
+ if (i < sizeof(SuperBlock->UUID) - 1)
+ TRACE(", ");
+ }
+ TRACE(" }\n");
+ TRACE("VolumeName: \"%s\"\n", SuperBlock->VolumeName);
+ TRACE("LastMounted: \"%s\"\n", SuperBlock->LastMounted);
+ TRACE("AlgorithmUsageBitmap: 0x%x\n", SuperBlock->AlgorithmUsageBitmap);
+ TRACE("PreallocBlocks: %d\n", SuperBlock->PreallocBlocks);
+ TRACE("PreallocDirBlocks: %d\n", SuperBlock->PreallocDirBlocks);
+ TRACE("ReservedGdtBlocks: %d\n", SuperBlock->ReservedGdtBlocks);
+ TRACE("JournalUUID: { ");
+ for (ULONG i = 0; i < sizeof(SuperBlock->JournalUUID); i++)
+ {
+ TRACE("0x%02x", SuperBlock->JournalUUID[i]);
+ if (i < sizeof(SuperBlock->JournalUUID) - 1)
+ TRACE(", ");
+ }
+ TRACE(" }\n");
+ TRACE("JournalInum: %d\n", SuperBlock->JournalInum);
+ TRACE("JournalDev: %d\n", SuperBlock->JournalDev);
+ TRACE("LastOrphan: %d\n", SuperBlock->LastOrphan);
+ TRACE("HashSeed: { 0x%02x, 0x%02x, 0x%02x, 0x%02x }\n",
+ SuperBlock->HashSeed[0], SuperBlock->HashSeed[1],
+ SuperBlock->HashSeed[2], SuperBlock->HashSeed[3]);
+ TRACE("DefHashVersion: %d\n", SuperBlock->DefHashVersion);
+ TRACE("JournalBackupType: %d\n", SuperBlock->JournalBackupType);
+ TRACE("GroupDescSize: %d\n", SuperBlock->GroupDescSize);
//
// Check the super block magic
//
- if (SuperBlock->magic != EXT_MAGIC)
+ if (SuperBlock->Magic != EXT_SUPERBLOCK_MAGIC)
{
FileSystemError("Invalid super block magic (0xef53)");
return FALSE;
}
- //
- // Check the revision level
- //
- if (SuperBlock->revision_level > EXT_DYNAMIC_REVISION)
- {
- FileSystemError("FreeLoader does not understand the revision of this
EXT/EXT3 filesystem.\nPlease update FreeLoader.");
- return FALSE;
- }
-
- //
- // Check the feature set
- // Don't need to check the compatible or read-only compatible features
- // because we only mount the filesystem as read-only
- //
- if ((SuperBlock->revision_level >= EXT_DYNAMIC_REVISION) &&
- (/*((SuperBlock->s_feature_compat & ~EXT3_FEATURE_COMPAT_SUPP) != 0) ||*/
- /*((SuperBlock->s_feature_ro_compat & ~EXT3_FEATURE_RO_COMPAT_SUPP) != 0)
||*/
- ((SuperBlock->feature_incompat & ~EXT3_FEATURE_INCOMPAT_SUPP) != 0)))
- {
- FileSystemError("FreeLoader does not understand features of this EXT/EXT3
filesystem.\nPlease update FreeLoader.");
- return FALSE;
- }
-
// Calculate the group count
- Volume->GroupCount = (SuperBlock->total_blocks -
SuperBlock->first_data_block + SuperBlock->blocks_per_group - 1) /
SuperBlock->blocks_per_group;
+ Volume->GroupCount = (SuperBlock->BlocksCountLo - SuperBlock->FirstDataBlock
+ SuperBlock->BlocksPerGroup - 1) / SuperBlock->BlocksPerGroup;
TRACE("ExtGroupCount: %d\n", Volume->GroupCount);
// Calculate the block size
- Volume->BlockSizeInBytes = 1024 << SuperBlock->log2_block_size;
+ Volume->BlockSizeInBytes = 1024 << SuperBlock->LogBlockSize;
Volume->BlockSizeInSectors = Volume->BlockSizeInBytes /
Volume->BytesPerSector;
TRACE("ExtBlockSizeInBytes: %d\n", Volume->BlockSizeInBytes);
TRACE("ExtBlockSizeInSectors: %d\n", Volume->BlockSizeInSectors);
// Calculate the fragment size
- if (SuperBlock->log2_fragment_size >= 0)
+ if (SuperBlock->LogFragSize >= 0)
{
- Volume->FragmentSizeInBytes = 1024 << SuperBlock->log2_fragment_size;
+ Volume->FragmentSizeInBytes = 1024 << SuperBlock->LogFragSize;
}
else
{
- Volume->FragmentSizeInBytes = 1024 >>
-(SuperBlock->log2_fragment_size);
+ Volume->FragmentSizeInBytes = 1024 >> -(SuperBlock->LogFragSize);
}
Volume->FragmentSizeInSectors = Volume->FragmentSizeInBytes /
Volume->BytesPerSector;
TRACE("ExtFragmentSizeInBytes: %d\n", Volume->FragmentSizeInBytes);
@@ -715,12 +719,20 @@ BOOLEAN ExtReadSuperBlock(PEXT_VOLUME_INFO Volume)
return FALSE;
}
+ // Set the volume inode size in bytes
+ Volume->InodeSizeInBytes = EXT_INODE_SIZE(SuperBlock);
+ TRACE("InodeSizeInBytes: %d\n", Volume->InodeSizeInBytes);
+
+ // Set the volume group descriptor size in bytes
+ Volume->GroupDescSizeInBytes = EXT_GROUP_DESC_SIZE(SuperBlock);
+ TRACE("GroupDescSizeInBytes: %d\n", Volume->GroupDescSizeInBytes);
+
// Calculate the number of inodes in one block
- Volume->InodesPerBlock = Volume->BlockSizeInBytes / EXT_INODE_SIZE(SuperBlock);
+ Volume->InodesPerBlock = Volume->BlockSizeInBytes /
Volume->InodeSizeInBytes;
TRACE("ExtInodesPerBlock: %d\n", Volume->InodesPerBlock);
// Calculate the number of group descriptors in one block
- Volume->GroupDescPerBlock = EXT_DESC_PER_BLOCK(SuperBlock);
+ Volume->GroupDescPerBlock = Volume->BlockSizeInBytes /
Volume->GroupDescSizeInBytes;
TRACE("ExtGroupDescPerBlock: %d\n", Volume->GroupDescPerBlock);
return TRUE;
@@ -752,7 +764,7 @@ BOOLEAN ExtReadGroupDescriptors(PEXT_VOLUME_INFO Volume)
// Now read the group descriptors
CurrentGroupDescBlock = (PUCHAR)Volume->GroupDescriptors;
- BlockNumber = Volume->SuperBlock->first_data_block + 1;
+ BlockNumber = Volume->SuperBlock->FirstDataBlock + 1;
while (GroupDescBlockCount--)
{
@@ -781,7 +793,7 @@ BOOLEAN ExtReadDirectory(PEXT_VOLUME_INFO Volume, ULONG Inode, PVOID*
DirectoryB
}
// Make sure it is a directory inode
- if ((InodePointer->mode & EXT_S_IFMT) != EXT_S_IFDIR)
+ if ((InodePointer->Mode & EXT_S_IFMT) != EXT_S_IFDIR)
{
FileSystemError("Inode is not a directory.");
return FALSE;
@@ -835,7 +847,7 @@ BOOLEAN ExtReadBlock(PEXT_VOLUME_INFO Volume, ULONG BlockNumber, PVOID
Buffer)
TRACE("ExtReadBlock() BlockNumber = %d Buffer = 0x%x\n", BlockNumber,
Buffer);
// Make sure its a valid block
- if (BlockNumber > Volume->SuperBlock->total_blocks)
+ if (BlockNumber > Volume->SuperBlock->BlocksCountLo)
{
sprintf(ErrorString, "Error reading block %d - block out of range.",
(int) BlockNumber);
FileSystemError(ErrorString);
@@ -880,31 +892,19 @@ BOOLEAN ExtReadPartialBlock(PEXT_VOLUME_INFO Volume, ULONG
BlockNumber, ULONG St
return TRUE;
}
-#if 0
-ULONG ExtGetGroupDescBlockNumber(PEXT_VOLUME_INFO Volume, ULONG Group)
-{
- return (((Group * sizeof(EXT_GROUP_DESC)) / Volume->GroupDescPerBlock) +
Volume->SuperBlock->first_data_block + 1);
-}
-
-ULONG ExtGetGroupDescOffsetInBlock(PEXT_VOLUME_INFO Volume, ULONG Group)
-{
- return ((Group * sizeof(EXT_GROUP_DESC)) % Volume->GroupDescPerBlock);
-}
-#endif
-
ULONG ExtGetInodeGroupNumber(PEXT_VOLUME_INFO Volume, ULONG Inode)
{
- return ((Inode - 1) / Volume->SuperBlock->inodes_per_group);
+ return ((Inode - 1) / Volume->SuperBlock->InodesPerGroup);
}
ULONG ExtGetInodeBlockNumber(PEXT_VOLUME_INFO Volume, ULONG Inode)
{
- return (((Inode - 1) % Volume->SuperBlock->inodes_per_group) /
Volume->InodesPerBlock);
+ return (((Inode - 1) % Volume->SuperBlock->InodesPerGroup) /
Volume->InodesPerBlock);
}
ULONG ExtGetInodeOffsetInBlock(PEXT_VOLUME_INFO Volume, ULONG Inode)
{
- return (((Inode - 1) % Volume->SuperBlock->inodes_per_group) %
Volume->InodesPerBlock);
+ return (((Inode - 1) % Volume->SuperBlock->InodesPerGroup) %
Volume->InodesPerBlock);
}
BOOLEAN ExtReadInode(PEXT_VOLUME_INFO Volume, ULONG Inode, PEXT_INODE InodeBuffer)
@@ -918,7 +918,7 @@ BOOLEAN ExtReadInode(PEXT_VOLUME_INFO Volume, ULONG Inode, PEXT_INODE
InodeBuffe
TRACE("ExtReadInode() Inode = %d\n", Inode);
// Make sure its a valid inode
- if ((Inode < 1) || (Inode > Volume->SuperBlock->total_inodes))
+ if ((Inode < 1) || (Inode > Volume->SuperBlock->InodesCount))
{
sprintf(ErrorString, "Error reading inode %ld - inode out of range.",
Inode);
FileSystemError(ErrorString);
@@ -940,13 +940,13 @@ BOOLEAN ExtReadInode(PEXT_VOLUME_INFO Volume, ULONG Inode,
PEXT_INODE InodeBuffe
}
// Add the start block of the inode table to the inode block number
- InodeBlockNumber += GroupDescriptor.inode_table_id;
+ InodeBlockNumber += GroupDescriptor.InodeTable;
TRACE("InodeBlockNumber (after group desc correction) = %d\n",
InodeBlockNumber);
// Read the block
if (!ExtReadPartialBlock(Volume,
InodeBlockNumber,
- (InodeOffsetInBlock *
EXT_INODE_SIZE(Volume->SuperBlock)),
+ (InodeOffsetInBlock * Volume->InodeSizeInBytes),
sizeof(EXT_INODE),
InodeBuffer))
{
@@ -954,31 +954,31 @@ BOOLEAN ExtReadInode(PEXT_VOLUME_INFO Volume, ULONG Inode,
PEXT_INODE InodeBuffe
}
TRACE("Dumping inode information:\n");
- TRACE("mode = 0x%x\n", InodeBuffer->mode);
- TRACE("uid = %d\n", InodeBuffer->uid);
- TRACE("size = %d\n", InodeBuffer->size);
- TRACE("atime = %d\n", InodeBuffer->atime);
- TRACE("ctime = %d\n", InodeBuffer->ctime);
- TRACE("mtime = %d\n", InodeBuffer->mtime);
- TRACE("dtime = %d\n", InodeBuffer->dtime);
- TRACE("gid = %d\n", InodeBuffer->gid);
- TRACE("nlinks = %d\n", InodeBuffer->nlinks);
- TRACE("blockcnt = %d\n", InodeBuffer->blockcnt);
- TRACE("flags = 0x%x\n", InodeBuffer->flags);
- TRACE("osd1 = 0x%x\n", InodeBuffer->osd1);
- TRACE("dir_blocks = { %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u }\n",
- InodeBuffer->blocks.dir_blocks[0], InodeBuffer->blocks.dir_blocks[1],
InodeBuffer->blocks.dir_blocks[ 2], InodeBuffer->blocks.dir_blocks[ 3],
- InodeBuffer->blocks.dir_blocks[4], InodeBuffer->blocks.dir_blocks[5],
InodeBuffer->blocks.dir_blocks[ 6], InodeBuffer->blocks.dir_blocks[ 7],
- InodeBuffer->blocks.dir_blocks[8], InodeBuffer->blocks.dir_blocks[9],
InodeBuffer->blocks.dir_blocks[10], InodeBuffer->blocks.dir_blocks[11]);
- TRACE("indir_block = %u\n", InodeBuffer->blocks.indir_block);
- TRACE("double_indir_block = %u\n",
InodeBuffer->blocks.double_indir_block);
- TRACE("tripple_indir_block = %u\n",
InodeBuffer->blocks.tripple_indir_block);
- TRACE("version = %d\n", InodeBuffer->version);
- TRACE("acl = %d\n", InodeBuffer->acl);
- TRACE("dir_acl = %d\n", InodeBuffer->dir_acl);
- TRACE("fragment_addr = %d\n", InodeBuffer->fragment_addr);
- TRACE("osd2 = { %d, %d, %d }\n",
- InodeBuffer->osd2[0], InodeBuffer->osd2[1], InodeBuffer->osd2[2]);
+ TRACE("Mode = 0x%x\n", InodeBuffer->Mode);
+ TRACE("UID = %d\n", InodeBuffer->UID);
+ TRACE("Size = %d\n", InodeBuffer->Size);
+ TRACE("Atime = %d\n", InodeBuffer->Atime);
+ TRACE("Ctime = %d\n", InodeBuffer->Ctime);
+ TRACE("Mtime = %d\n", InodeBuffer->Mtime);
+ TRACE("Dtime = %d\n", InodeBuffer->Dtime);
+ TRACE("GID = %d\n", InodeBuffer->GID);
+ TRACE("LinksCount = %d\n", InodeBuffer->LinksCount);
+ TRACE("Blocks = %d\n", InodeBuffer->Blocks);
+ TRACE("Flags = 0x%x\n", InodeBuffer->Flags);
+ TRACE("OSD1 = 0x%x\n", InodeBuffer->OSD1);
+ TRACE("DirectBlocks = { %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u
}\n",
+ InodeBuffer->Blocks.DirectBlocks[0], InodeBuffer->Blocks.DirectBlocks[1],
InodeBuffer->Blocks.DirectBlocks[2], InodeBuffer->Blocks.DirectBlocks[3],
+ InodeBuffer->Blocks.DirectBlocks[4], InodeBuffer->Blocks.DirectBlocks[5],
InodeBuffer->Blocks.DirectBlocks[6], InodeBuffer->Blocks.DirectBlocks[7],
+ InodeBuffer->Blocks.DirectBlocks[8], InodeBuffer->Blocks.DirectBlocks[9],
InodeBuffer->Blocks.DirectBlocks[10], InodeBuffer->Blocks.DirectBlocks[11]);
+ TRACE("IndirectBlock = %u\n", InodeBuffer->Blocks.IndirectBlock);
+ TRACE("DoubleIndirectBlock = %u\n",
InodeBuffer->Blocks.DoubleIndirectBlock);
+ TRACE("TripleIndirectBlock = %u\n",
InodeBuffer->Blocks.TripleIndirectBlock);
+ TRACE("Generation = %d\n", InodeBuffer->Generation);
+ TRACE("FileACL = %d\n", InodeBuffer->FileACL);
+ TRACE("DirACL = %d\n", InodeBuffer->DirACL);
+ TRACE("FragAddress = %d\n", InodeBuffer->FragAddress);
+ TRACE("OSD2 = { %d, %d, %d }\n",
+ InodeBuffer->OSD2[0], InodeBuffer->OSD2[1], InodeBuffer->OSD2[2]);
return TRUE;
}
@@ -995,15 +995,15 @@ BOOLEAN ExtReadGroupDescriptor(PEXT_VOLUME_INFO Volume, ULONG Group,
PEXT_GROUP_
RtlCopyMemory(GroupBuffer, (PVOID)(FILESYSBUFFER +
ExtGetGroupDescOffsetInBlock(Volume, Group)), sizeof(EXT_GROUP_DESC));
#endif
- RtlCopyMemory(GroupBuffer, &Volume->GroupDescriptors[Group],
sizeof(EXT_GROUP_DESC));
+ RtlCopyMemory(GroupBuffer,
&((PUCHAR)Volume->GroupDescriptors)[Volume->GroupDescSizeInBytes * Group],
sizeof(EXT_GROUP_DESC));
TRACE("Dumping group descriptor:\n");
- TRACE("block_id = %d\n", GroupBuffer->block_id);
- TRACE("inode_id = %d\n", GroupBuffer->inode_id);
- TRACE("inode_table_id = %d\n", GroupBuffer->inode_table_id);
- TRACE("free_blocks = %d\n", GroupBuffer->free_blocks);
- TRACE("free_inodes = %d\n", GroupBuffer->free_inodes);
- TRACE("used_dirs = %d\n", GroupBuffer->used_dirs);
+ TRACE("BlockBitmap = %d\n", GroupBuffer->BlockBitmap);
+ TRACE("InodeBitmap = %d\n", GroupBuffer->InodeBitmap);
+ TRACE("InodeTable = %d\n", GroupBuffer->InodeTable);
+ TRACE("FreeBlocksCount = %d\n", GroupBuffer->FreeBlocksCount);
+ TRACE("FreeInodesCount = %d\n", GroupBuffer->FreeInodesCount);
+ TRACE("UsedDirsCount = %d\n", GroupBuffer->UsedDirsCount);
return TRUE;
}
@@ -1039,16 +1039,16 @@ ULONG* ExtReadBlockPointerList(PEXT_VOLUME_INFO Volume, PEXT_INODE
Inode)
// Copy the direct block pointers
for (CurrentBlockInList = CurrentBlock = 0;
- CurrentBlockInList < BlockCount && CurrentBlock < INDIRECT_BLOCKS;
+ CurrentBlockInList < BlockCount && CurrentBlock <
sizeof(Inode->Blocks.DirectBlocks) / sizeof(*Inode->Blocks.DirectBlocks);
CurrentBlock++, CurrentBlockInList++)
{
- BlockList[CurrentBlockInList] = Inode->blocks.dir_blocks[CurrentBlock];
+ BlockList[CurrentBlockInList] = Inode->Blocks.DirectBlocks[CurrentBlock];
}
// Copy the indirect block pointers
if (CurrentBlockInList < BlockCount)
{
- if (!ExtCopyIndirectBlockPointers(Volume, BlockList, &CurrentBlockInList,
BlockCount, Inode->blocks.indir_block))
+ if (!ExtCopyIndirectBlockPointers(Volume, BlockList, &CurrentBlockInList,
BlockCount, Inode->Blocks.IndirectBlock))
{
FrLdrTempFree(BlockList, TAG_EXT_BLOCK_LIST);
return NULL;
@@ -1058,7 +1058,7 @@ ULONG* ExtReadBlockPointerList(PEXT_VOLUME_INFO Volume, PEXT_INODE
Inode)
// Copy the double indirect block pointers
if (CurrentBlockInList < BlockCount)
{
- if (!ExtCopyDoubleIndirectBlockPointers(Volume, BlockList,
&CurrentBlockInList, BlockCount, Inode->blocks.double_indir_block))
+ if (!ExtCopyDoubleIndirectBlockPointers(Volume, BlockList,
&CurrentBlockInList, BlockCount, Inode->Blocks.DoubleIndirectBlock))
{
FrLdrTempFree(BlockList, TAG_EXT_BLOCK_LIST);
return NULL;
@@ -1068,7 +1068,7 @@ ULONG* ExtReadBlockPointerList(PEXT_VOLUME_INFO Volume, PEXT_INODE
Inode)
// Copy the triple indirect block pointers
if (CurrentBlockInList < BlockCount)
{
- if (!ExtCopyTripleIndirectBlockPointers(Volume, BlockList,
&CurrentBlockInList, BlockCount, Inode->blocks.tripple_indir_block))
+ if (!ExtCopyTripleIndirectBlockPointers(Volume, BlockList,
&CurrentBlockInList, BlockCount, Inode->Blocks.TripleIndirectBlock))
{
FrLdrTempFree(BlockList, TAG_EXT_BLOCK_LIST);
return NULL;
@@ -1080,13 +1080,13 @@ ULONG* ExtReadBlockPointerList(PEXT_VOLUME_INFO Volume, PEXT_INODE
Inode)
ULONGLONG ExtGetInodeFileSize(PEXT_INODE Inode)
{
- if ((Inode->mode & EXT_S_IFMT) == EXT_S_IFDIR)
+ if ((Inode->Mode & EXT_S_IFMT) == EXT_S_IFDIR)
{
- return (ULONGLONG)(Inode->size);
+ return (ULONGLONG)(Inode->Size);
}
else
{
- return ((ULONGLONG)(Inode->size) | ((ULONGLONG)(Inode->dir_acl) <<
32));
+ return ((ULONGLONG)(Inode->Size) | ((ULONGLONG)(Inode->DirACL) <<
32));
}
}
@@ -1227,7 +1227,7 @@ ARC_STATUS ExtOpen(CHAR* Path, OPENMODE OpenMode, ULONG* FileId)
DeviceId = FsGetDeviceId(*FileId);
Volume = ExtVolumes[DeviceId];
- TRACE("ExtOpen() FileName = %s\n", Path);
+ TRACE("ExtOpen() FileName = \"%s\"\n", Path);
/* Call the internal open method */
// Status = ExtOpenFile(Volume, Path, &FileHandle);
@@ -1327,7 +1327,7 @@ const DEVVTBL* ExtMount(ULONG DeviceId)
}
/* Check if SuperBlock is valid. If yes, return Ext function table. */
- if (SuperBlock.magic != EXT_MAGIC)
+ if (SuperBlock.Magic != EXT_SUPERBLOCK_MAGIC)
{
FrLdrTempFree(Volume, TAG_EXT_VOLUME);
return NULL;
@@ -1350,4 +1350,4 @@ const DEVVTBL* ExtMount(ULONG DeviceId)
return &ExtFuncTable;
}
-#endif
+#endif // _M_ARM
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Daniel Victor