mirror of
https://github.com/JotaRandom/hfsutils.git
synced 2026-04-24 15:16:41 +00:00
Attempt to implement remaining stuff
This commit is contained in:
Pablo Lezaeta
+67
-21
@@ -50,27 +50,73 @@ hfsck/hfsck
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/humount
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/hvol
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# Generated files
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libhfs/config.h
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libhfs/config.log
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libhfs/config.status
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libhfs/os.c
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||||
libhfs/Makefile
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||||
lib/libhfs/config.h
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||||
lib/libhfs/config.log
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||||
lib/libhfs/config.status
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lib/libhfs/os.c
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lib/librsrc/config.h
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lib/librsrc/config.log
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lib/librsrc/config.status
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librsrc/config.h
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librsrc/config.log
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librsrc/config.status
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librsrc/Makefile
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hfsck/.config.h
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hfsck/config.log
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hfsck/config.status
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hfsck/Makefile
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# General
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*.o
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||||
*.a
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||||
*.so
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*.dylib
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*.exe
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*~
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||||
.DS_Store
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||||
*.swp
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*.swo
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# Build artifacts
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/build/
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/hfsutil
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/hfsck/hfsck
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/libhfs/.libs/
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/librsrc/.libs/
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/libhfs/libhfs.a
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/librsrc/librsrc.a
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autom4te.cache/
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Makefile.in
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aclocal.m4
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compile
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config.guess
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config.h
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config.h.in
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config.log
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config.status
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config.sub
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||||
configure
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depcomp
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install-sh
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libtool
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ltmain.sh
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missing
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stamp-h1
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.deps/
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.dirstamp
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# macOS
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.DS_Store
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*.dmg
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# Test artifacts - DO NOT commit test images
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*.img
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test_*.img
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/tmp/
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/test/tmp/
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/test/**/*.img
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/test/**/test_*
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/tests/**/*.img
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/tests/**/test_*
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hfsutils.log
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# IDE
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.vscode/
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.idea/
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*.sublime-*
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# Python
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__pycache__/
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*.pyc
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*.pyo
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# Documentation builds
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doc/html/
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doc/latex/file
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linux/Makefile
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# Test data and temporary files
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@@ -40,12 +40,14 @@ $(shell mkdir -p $(OBJDIR))
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# Executables (symlinks to hfsutil)
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EXECUTABLES = hattrib hcd hcopy hdel hformat hls hmkdir hmount hpwd hrename hrmdir humount hvol
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# Filesystem utilities (separate binaries with symlinks)
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FSCK_LINKS = fsck.hfs fsck.hfs+ fsck.hfsplus
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MKFS_LINKS = mkfs.hfs mkfs.hfs+ mkfs.hfsplus
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MOUNT_LINKS = mount.hfs mount.hfs+ mount.hfsplus
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# Filesystem utility symlinks (only .hfsplus variants are symlinks)
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# mkfs.hfs and mkfs.hfs+ are separate binaries
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# fsck.hfs and fsck.hfs+ are separate binaries
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FSCK_LINKS = fsck.hfsplus
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MKFS_LINKS = mkfs.hfsplus
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MOUNT_LINKS = mount.hfsplus
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# Standalone utilities
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# Standalone utilities (separate binaries, not symlinks)
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STANDALONE_UTILITIES = mkfs.hfs fsck.hfs mount.hfs
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# Default target - just build hfsutil without symlinks
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@@ -267,23 +269,18 @@ install-symlinks: install
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for prog in $(EXECUTABLES) hdir; do \
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ln -sf hfsutil $(DESTDIR)$(BINDIR)/$$prog; \
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done
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# Create filesystem utility symlinks (smart path detection)
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# Create .hfsplus symlink (fsck.hfsplus -> fsck.hfs+)
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@if [ "$(SBINDIR)" = "$(BINDIR)" ]; then \
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echo "Creating filesystem utility symlinks for merged /bin system..."; \
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for prog in $(FSCK_LINKS); do \
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ln -sf hfsck $(DESTDIR)$(BINDIR)/$$prog; \
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done; \
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echo "Creating .hfsplus symlinks for merged /bin system..."; \
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ln -sf fsck.hfs+ $(DESTDIR)$(BINDIR)/fsck.hfsplus; \
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else \
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echo "Creating filesystem utility symlinks for separate /sbin system..."; \
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for prog in $(FSCK_LINKS); do \
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ln -sf ../sbin/hfsck $(DESTDIR)$(BINDIR)/$$prog; \
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done; \
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echo "Creating .hfsplus symlinks for separate /sbin system..."; \
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ln -sf fsck.hfs+ $(DESTDIR)$(SBINDIR)/fsck.hfsplus; \
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fi
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for prog in $(MKFS_LINKS); do \
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ln -sf hfsutil $(DESTDIR)$(BINDIR)/$$prog; \
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done
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# Create mkfs.hfsplus symlink (mkfs.hfsplus -> mkfs.hfs+)
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ln -sf mkfs.hfs+ $(DESTDIR)$(SBINDIR)/mkfs.hfsplus
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@echo "Created symlinks for traditional command names"
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@echo "Created symlinks for filesystem utilities (fsck.hfs, mkfs.hfs, etc.)"
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@echo "Created .hfsplus symlinks (fsck.hfsplus -> fsck.hfs+, mkfs.hfsplus -> mkfs.hfs+)"
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# Old test target (disabled - using new test targets now)
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# test: all
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+22
-5
@@ -9,14 +9,18 @@ fsck.hfs \- check and repair an HFS filesystem
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.RI [ partition-no ]
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.SH DESCRIPTION
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.B fsck.hfs
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checks an HFS (Hierarchical File System) filesystem and optionally repairs
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any errors found. This is the standard Unix filesystem checking utility
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for HFS filesystems.
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checks an HFS (Hierarchical File System) or HFS+ filesystem and optionally
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repairs any errors found. This is the standard Unix filesystem checking utility
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for HFS and HFS+ filesystems.
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.PP
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The program automatically detects the filesystem type. If an HFS+ filesystem
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is detected, it will automatically delegate to
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.B fsck.hfs+
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for proper handling.
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.PP
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The
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.I device
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argument specifies the block device or file containing the HFS filesystem
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to be checked.
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argument specifies the block device or file containing the filesystem to be checked.
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.PP
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If the filesystem is mounted, only a read-only check will be performed unless
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the
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@@ -84,6 +88,19 @@ to ensure data integrity during the check and repair process.
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.PP
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Regular filesystem checking helps maintain data integrity and can
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prevent data loss due to filesystem corruption.
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.PP
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.B AUTOMATIC FILESYSTEM DETECTION:
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This program automatically detects whether the filesystem is HFS or HFS+.
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If an HFS+ filesystem is detected, the program will automatically delegate
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to
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.B fsck.hfs+
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for proper handling. This ensures that the correct checker is always used
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regardless of which fsck program was initially invoked.
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.PP
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.B Note:
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Automatic delegation to fsck.hfs+ requires that fsck.hfs+ is installed
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on the system. If fsck.hfs+ is not found, an error message will be displayed
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with instructions on how to proceed.
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.SH SEE ALSO
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fsck(8), fsck.hfs+(8), mkfs.hfs(8), hfsutils(1)
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.SH AUTHOR
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+18
-3
@@ -44,12 +44,13 @@ Better performance on large volumes
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Force formatting. Required when formatting the entire medium (partition 0)
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if it currently contains a partition map.
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.TP
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.BI -l " label"
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Specify the volume label. Must be 1-255 characters for HFS+.
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.BI "-L, -l" " label"
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Specify the volume label. Primary option is -L (Unix standard), but -l
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is also accepted for compatibility. Must be 1-255 characters for HFS+.
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.TP
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.BI -s " size"
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Specify the filesystem size in bytes. If not specified, the entire device
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or partition will be used.
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or partition will be used. Supports K, M, G suffixes (e.g., 100M, 1G).
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.TP
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.B --version
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Display version information and exit.
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@@ -75,6 +76,20 @@ longer filenames with full Unicode support.
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.PP
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This command creates modern HFS+ filesystems compatible with macOS and
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other systems that support HFS+.
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.PP
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.B LINUX COMPATIBILITY WARNING:
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The Linux kernel HFS+ driver (hfsplus.ko) does NOT support journaling.
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Volumes created with this tool are non-journaled by default and are
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fully compatible with Linux. Do NOT use the -j flag (if implemented)
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for volumes intended to be mounted on Linux systems.
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.SH EXIT STATUS
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The program follows Unix standards for exit codes:
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.TP
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.B 0
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Success.
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.TP
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.B 1
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Any error (use -v for detailed error information).
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.SH SEE ALSO
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mkfs(8), mkfs.hfs(8), fsck.hfs+(8), hfsutils(1)
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.SH AUTHOR
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+11
-2
@@ -41,8 +41,9 @@ contains a partition map.
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Force formatting. Required when formatting the entire medium (partition 0)
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if it currently contains a partition map.
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.TP
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.BI -l " label"
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Specify the volume label. Must be 1-27 characters and cannot contain colons.
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.BI "-L, -l" " label"
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Specify the volume label. Primary option is -L (Unix standard), but -l
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is also accepted for compatibility. Must be 1-27 characters and cannot contain colons.
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.TP
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.B --version
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Display version information and exit.
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@@ -64,6 +65,14 @@ The smallest volume size which can be formatted is 800K.
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.PP
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This command does not create or alter partition maps, although it can erase
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them when using partition 0 with the -f option.
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.SH EXIT STATUS
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The program follows Unix standards for exit codes:
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.TP
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.B 0
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Success.
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.TP
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.B 1
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Any error (use -v for detailed error information).
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.SH SEE ALSO
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mkfs(8), mkfs.hfs+(8), fsck.hfs(8), hfsutils(1)
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.SH AUTHOR
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@@ -32,8 +32,9 @@ typedef struct {
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int show_version;
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int show_help;
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int show_license;
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size_t block_size;
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size_t total_size;
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int block_size; /* Block size (0 = auto-calculate) */
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long long total_size; /* Total size in bytes (0 = use full device) */
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int enable_journaling; /* Enable HFS+ journaling (0 = disabled, 1 = enabled) */
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} mkfs_options_t;
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/* Main formatting functions */
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+51
-6
@@ -62,8 +62,8 @@ static void show_usage(const char *program_name)
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printf(" %s -n /dev/sdb1 Check without making changes\n", program_name);
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printf(" %s -a /dev/sdb1 Check and auto-repair\n", program_name);
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printf("\n");
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printf("Note: This program only works with HFS filesystems.\n");
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printf(" For HFS+ filesystems, use fsck.hfs+ instead.\n");
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printf("Note: This program automatically detects the filesystem type.\n");
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printf(" HFS+ filesystems are automatically delegated to fsck.hfs+.\n");
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printf("\n");
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}
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@@ -156,14 +156,59 @@ int main(int argc, char *argv[])
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return FSCK_OPERATIONAL_ERROR;
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||||
}
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||||
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||||
/* Validate filesystem type matches program type - HFS only */
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||||
/* Handle filesystem type - delegate to appropriate checker */
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||||
if (fs_type != FS_TYPE_HFS) {
|
||||
const char *detected_name = hfs_get_fs_type_name(fs_type);
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error_print("filesystem type mismatch: detected %s filesystem", detected_name);
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||||
error_print("This program only works with HFS filesystems.");
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||||
|
||||
/* If HFS+ or HFSX detected, automatically delegate to fsck.hfs+ */
|
||||
if (fs_type == FS_TYPE_HFSPLUS || fs_type == FS_TYPE_HFSX) {
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||||
error_print("For HFS+ filesystems, use fsck.hfs+ instead.");
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||||
if (opts.verbose) {
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||||
printf("Detected %s filesystem, delegating to fsck.hfs+...\n", detected_name);
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||||
}
|
||||
|
||||
/* Build new argv for fsck.hfs+ */
|
||||
char **new_argv = malloc((argc + 1) * sizeof(char *));
|
||||
if (!new_argv) {
|
||||
error_print("failed to allocate memory for delegation");
|
||||
fsck_cleanup_options(&opts);
|
||||
common_cleanup();
|
||||
return FSCK_OPERATIONAL_ERROR;
|
||||
}
|
||||
|
||||
/* Replace program name with fsck.hfs+ */
|
||||
new_argv[0] = "fsck.hfs+";
|
||||
for (int i = 1; i < argc; i++) {
|
||||
new_argv[i] = argv[i];
|
||||
}
|
||||
new_argv[argc] = NULL;
|
||||
|
||||
/* Clean up before exec */
|
||||
fsck_cleanup_options(&opts);
|
||||
common_cleanup();
|
||||
|
||||
/* Execute fsck.hfs+ */
|
||||
execvp("fsck.hfs+", new_argv);
|
||||
|
||||
/* If execvp returns, it failed */
|
||||
/* Check if failure was due to missing fsck.hfs+ */
|
||||
if (errno == ENOENT) {
|
||||
fprintf(stderr, "Error: fsck.hfs+ not found in PATH\n");
|
||||
fprintf(stderr, "Cannot check %s filesystem without fsck.hfs+\n", detected_name);
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, "Options:\n");
|
||||
fprintf(stderr, " 1. Install fsck.hfs+ (build with: make fsck.hfs+)\n");
|
||||
fprintf(stderr, " 2. Use a system that has fsck.hfs+ installed\n");
|
||||
fprintf(stderr, " 3. Mount the volume read-only without checking\n");
|
||||
} else {
|
||||
error_print_errno("failed to execute fsck.hfs+");
|
||||
}
|
||||
free(new_argv);
|
||||
return FSCK_OPERATIONAL_ERROR;
|
||||
}
|
||||
|
||||
/* Unknown or unsupported filesystem type */
|
||||
error_print("unsupported filesystem type: %s", detected_name);
|
||||
error_print("This program only handles HFS and HFS+ filesystems.");
|
||||
fsck_cleanup_options(&opts);
|
||||
common_cleanup();
|
||||
return FSCK_OPERATIONAL_ERROR;
|
||||
|
||||
+192
-19
@@ -10,9 +10,11 @@
|
||||
|
||||
#include "fsck_common.h"
|
||||
#include "../embedded/fsck/fsck_hfs.h"
|
||||
#include "journal.h"
|
||||
#include "../embedded/shared/hfs_detect.h" /* For hfs_get_safe_time() */
|
||||
#include "journal.h" /* For journal support */
|
||||
#include <wchar.h>
|
||||
#include <locale.h>
|
||||
#include <locale.h>
|
||||
|
||||
/* HFS+ specific constants */
|
||||
#define HFSPLUS_SIGNATURE 0x482B
|
||||
@@ -176,13 +178,67 @@ int hfsplus_check_volume(const char *device_path, int partition_number, int chec
|
||||
error_print("critical journal errors");
|
||||
errors_found = 1;
|
||||
}
|
||||
} else {
|
||||
if (VERBOSE) {
|
||||
printf("\n=== Phase 2: No Journal Present ===\n");
|
||||
if (YES || ask("Disable journaling to continue")) {
|
||||
if (journal_disable(fd, &vh) == 0) {
|
||||
printf("Journaling disabled successfully\n");
|
||||
errors_corrected = 1;
|
||||
} else {
|
||||
error_print("Failed to disable journaling");
|
||||
errors_found = 1;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
printf("Run with -y to disable journaling\n");
|
||||
errors_found = 1;
|
||||
}
|
||||
} else if (journal_status == 1) {
|
||||
/* Valid journal - check if replay needed */
|
||||
if (VERBOSE) {
|
||||
printf("Journal is valid\n");
|
||||
}
|
||||
|
||||
/* Check if volume was cleanly unmounted */
|
||||
if (!(attributes & HFSPLUS_UNMOUNTED)) {
|
||||
printf("Volume was not cleanly unmounted - journal replay may be needed\n");
|
||||
|
||||
if (check_options & HFSCK_REPAIR) {
|
||||
printf("Replaying journal transactions...\n");
|
||||
int replayed = journal_replay(fd, &vh, 1);
|
||||
|
||||
if (replayed > 0) {
|
||||
printf("Successfully replayed %d journal transaction(s)\n", replayed);
|
||||
errors_corrected = 1;
|
||||
} else if (replayed < 0) {
|
||||
printf("WARNING: Journal replay failed (error %d)\n", replayed);
|
||||
printf(" Filesystem may be inconsistent\n");
|
||||
errors_found = 1;
|
||||
} else {
|
||||
printf("No journal transactions to replay\n");
|
||||
}
|
||||
} else {
|
||||
printf("Run with repair option to replay journal\n");
|
||||
errors_found = 1;
|
||||
}
|
||||
} else if (VERBOSE) {
|
||||
printf("Volume was cleanly unmounted - no journal replay needed\n");
|
||||
}
|
||||
} else {
|
||||
/* journal_status == 0: not journaled */
|
||||
if (VERBOSE) {
|
||||
printf("Volume is marked as journaled but journal is disabled\n");
|
||||
}
|
||||
}
|
||||
|
||||
/* Linux compatibility warning */
|
||||
if (VERBOSE && (attributes & HFSPLUS_VOL_JOURNALED)) {
|
||||
printf("\nNOTE: Linux HFS+ driver does NOT support journaling\n");
|
||||
printf(" Journal will be ignored when mounted on Linux\n");
|
||||
}
|
||||
} else if (VERBOSE) {
|
||||
printf("Volume is not journaled\n");
|
||||
}
|
||||
|
||||
/* Phase 3: Check Catalog File with Unicode Support */
|
||||
/* Phase 3: Catalog and Attributes Validation */
|
||||
if (VERBOSE) {
|
||||
printf("\n=== Phase 3: Checking HFS+ Catalog with Unicode Support ===\n");
|
||||
}
|
||||
@@ -329,9 +385,10 @@ static int check_hfsplus_volume_header(int fd, struct HFSPlus_VolumeHeader_Compl
|
||||
}
|
||||
}
|
||||
|
||||
/* Check timestamps */
|
||||
time(&now);
|
||||
/* Check timestamps - Y2K40 safeguard */
|
||||
time_t now = hfs_get_safe_time();
|
||||
uint32_t hfs_now = (uint32_t)(now + 2082844800UL); /* Convert to HFS+ time */
|
||||
uint32_t hfs_2030 = (uint32_t)((hfs_get_safe_time() + 2082844800UL) - 315360000); /* Jan 1, 2030 */
|
||||
|
||||
if (be32toh(vh->createDate) == 0) {
|
||||
if (VERBOSE || !REPAIR) {
|
||||
@@ -345,11 +402,45 @@ static int check_hfsplus_volume_header(int fd, struct HFSPlus_VolumeHeader_Compl
|
||||
|
||||
if (be32toh(vh->createDate) > hfs_now) {
|
||||
if (VERBOSE || !REPAIR) {
|
||||
printf("Volume creation date is in the future\n");
|
||||
printf("WARNING: Volume creation date is in the future (Y2K40 issue detected)\n");
|
||||
printf(" HFS+ maximum date: February 6, 2040\n");
|
||||
}
|
||||
if (REPAIR && (YES || ask("Fix creation date"))) {
|
||||
vh->createDate = htobe32(hfs_now);
|
||||
if (REPAIR && (YES || ask("Fix creation date to safe value (2030-01-01)"))) {
|
||||
vh->createDate = htobe32(hfs_2030);
|
||||
errors_fixed++;
|
||||
if (VERBOSE) {
|
||||
printf(" Applied Y2K40 safeguard: date set to 2030-01-01\n");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Validate catalog file BTHeaderRec ranges */
|
||||
if (VERBOSE) {
|
||||
printf("Validating catalog B-tree structure...\n");
|
||||
}
|
||||
|
||||
uint64_t catalogSize = be64toh(vh->catalogFile.logicalSize);
|
||||
if (catalogSize > 0) {
|
||||
uint32_t catalogNodes = catalogSize / 4096; /* Standard node size */
|
||||
|
||||
/* These checks would require reading the BTHeaderRec */
|
||||
/* For now, ensure catalog file size is reasonable */
|
||||
if (catalogSize < 4096) {
|
||||
if (VERBOSE || !REPAIR) {
|
||||
printf("Catalog file size too small: %llu bytes\n", (unsigned long long)catalogSize);
|
||||
}
|
||||
return -1; /* Critical - cannot fix */
|
||||
}
|
||||
}
|
||||
|
||||
/* Validate extents file */
|
||||
uint64_t extentsSize = be64toh(vh->extentsFile.logicalSize);
|
||||
if (extentsSize > 0) {
|
||||
if (extentsSize < 4096) {
|
||||
if (VERBOSE || !REPAIR) {
|
||||
printf("Extents file size too small: %llu bytes\n", (unsigned long long)extentsSize);
|
||||
}
|
||||
return -1; /* Critical */
|
||||
}
|
||||
}
|
||||
|
||||
@@ -366,11 +457,6 @@ static int check_hfsplus_volume_header(int fd, struct HFSPlus_VolumeHeader_Compl
|
||||
errors_fixed++;
|
||||
}
|
||||
|
||||
/* Basic extent validation - simplified for now */
|
||||
if (VERBOSE) {
|
||||
printf("Extent validation completed (simplified)\n");
|
||||
}
|
||||
|
||||
if (VERBOSE && errors_fixed > 0) {
|
||||
printf("Fixed %d volume header issues\n", errors_fixed);
|
||||
}
|
||||
@@ -568,12 +654,21 @@ static int check_hfsplus_catalog_unicode(int fd, struct HFSPlus_VolumeHeader_Com
|
||||
|
||||
/* Validate B-tree header */
|
||||
uint16_t nodeSize = be16toh(btHeader->nodeSize);
|
||||
uint16_t nodeSize_fixed = 0;
|
||||
|
||||
if (nodeSize != blockSize) {
|
||||
if (VERBOSE || !REPAIR) {
|
||||
printf("Catalog B-tree node size (%u) doesn't match block size (%u)\n",
|
||||
nodeSize, blockSize);
|
||||
}
|
||||
errors_fixed++;
|
||||
if (REPAIR && (YES || ask("Fix B-tree node size"))) {
|
||||
btHeader->nodeSize = htobe16(blockSize);
|
||||
nodeSize_fixed = 1;
|
||||
errors_fixed++;
|
||||
if (VERBOSE) {
|
||||
printf("Fixed B-tree node size to %u\n", blockSize);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
uint32_t totalNodes = be32toh(btHeader->totalNodes);
|
||||
@@ -585,6 +680,85 @@ static int check_hfsplus_catalog_unicode(int fd, struct HFSPlus_VolumeHeader_Com
|
||||
return -1; /* Critical error */
|
||||
}
|
||||
|
||||
/* CRITICAL: Validate BTHeaderRec ranges */
|
||||
int range_errors = 0;
|
||||
uint32_t rootNode = be32toh(btHeader->rootNode);
|
||||
uint32_t firstLeaf = be32toh(btHeader->firstLeafNode);
|
||||
uint32_t lastLeaf = be32toh(btHeader->lastLeafNode);
|
||||
uint32_t freeNodes = be32toh(btHeader->freeNodes);
|
||||
|
||||
/* Check rootNode range */
|
||||
if (rootNode >= totalNodes) {
|
||||
if (VERBOSE || !REPAIR) {
|
||||
printf("Root node (%u) >= total nodes (%u)\n", rootNode, totalNodes);
|
||||
}
|
||||
if (REPAIR && (YES || ask("Reset root node to 1"))) {
|
||||
btHeader->rootNode = htobe32(1);
|
||||
range_errors++;
|
||||
errors_fixed++;
|
||||
}
|
||||
}
|
||||
|
||||
/* Check firstLeafNode range */
|
||||
if (firstLeaf >= totalNodes) {
|
||||
if (VERBOSE || !REPAIR) {
|
||||
printf("First leaf (%u) >= total nodes (%u)\n", firstLeaf, totalNodes);
|
||||
}
|
||||
if (REPAIR && (YES || ask("Reset first leaf to 1"))) {
|
||||
btHeader->firstLeafNode = htobe32(1);
|
||||
range_errors++;
|
||||
errors_fixed++;
|
||||
}
|
||||
}
|
||||
|
||||
/* Check lastLeafNode range */
|
||||
if (lastLeaf >= totalNodes) {
|
||||
if (VERBOSE || !REPAIR) {
|
||||
printf("Last leaf (%u) >= total nodes (%u)\n", lastLeaf, totalNodes);
|
||||
}
|
||||
if (REPAIR && (YES || ask("Reset last leaf to first leaf"))) {
|
||||
btHeader->lastLeafNode = btHeader->firstLeafNode;
|
||||
range_errors++;
|
||||
errors_fixed++;
|
||||
}
|
||||
}
|
||||
|
||||
/* Check freeNodes */
|
||||
if (freeNodes > totalNodes) {
|
||||
if (VERBOSE || !REPAIR) {
|
||||
printf("Free nodes (%u) > total nodes (%u)\n", freeNodes, totalNodes);
|
||||
}
|
||||
if (REPAIR && (YES || ask("Fix free nodes count"))) {
|
||||
btHeader->freeNodes = htobe32(totalNodes - 2); /* Conservative: header + root */
|
||||
range_errors++;
|
||||
errors_fixed++;
|
||||
}
|
||||
}
|
||||
|
||||
/* Write back BTHeaderRec if we fixed anything */
|
||||
if ((nodeSize_fixed || range_errors > 0) && REPAIR) {
|
||||
if (VERBOSE) {
|
||||
printf("Writing corrected B-tree header...\n");
|
||||
}
|
||||
|
||||
/* Seek back to header node */
|
||||
if (lseek(fd, nodeOffset, SEEK_SET) == -1) {
|
||||
error_print("failed to seek to catalog header for write");
|
||||
free(nodeBuffer);
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (write(fd, nodeBuffer, blockSize) != blockSize) {
|
||||
error_print("failed to write corrected catalog header");
|
||||
free(nodeBuffer);
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (VERBOSE) {
|
||||
printf("Catalog B-tree header corrections written successfully\n");
|
||||
}
|
||||
}
|
||||
|
||||
/* Check Unicode string validation in catalog records */
|
||||
uint32_t leafRecords = be32toh(btHeader->leafRecords);
|
||||
uint32_t fileCount = be32toh(vh->fileCount);
|
||||
@@ -842,9 +1016,8 @@ static int validate_unicode_string(const struct HFSPlus_UniStr255 *str)
|
||||
*/
|
||||
static int repair_hfsplus_volume_header(int fd, struct HFSPlus_VolumeHeader_Complete *vh)
|
||||
{
|
||||
/* Update checked date */
|
||||
time_t now;
|
||||
time(&now);
|
||||
/* Update checked date with Y2K40 safeguard */
|
||||
time_t now = hfs_get_safe_time();
|
||||
uint32_t hfs_now = (uint32_t)(now + 2082844800UL); /* Convert to HFS+ time */
|
||||
vh->checkedDate = htobe32(hfs_now);
|
||||
|
||||
|
||||
+42
-4
@@ -136,7 +136,8 @@ int mkfs_parse_command_line(int argc, char *argv[], mkfs_options_t *opts, int is
|
||||
int c;
|
||||
static struct option long_options[] = {
|
||||
{"force", no_argument, 0, 'f'},
|
||||
{"label", required_argument, 0, 'l'},
|
||||
{"label", required_argument, 0, 'L'}, /* Primary: -L per Unix convention */
|
||||
{"size", required_argument, 0, 's'},
|
||||
{"verbose", no_argument, 0, 'v'},
|
||||
{"version", no_argument, 0, 'V'},
|
||||
{"help", no_argument, 0, 'h'},
|
||||
@@ -144,7 +145,9 @@ int mkfs_parse_command_line(int argc, char *argv[], mkfs_options_t *opts, int is
|
||||
{0, 0, 0, 0}
|
||||
};
|
||||
|
||||
const char *optstring = "fl:vVh";
|
||||
/* HFS+ supports -s option, HFS does not */
|
||||
/* Configure getopt_long options based on filesystem type */
|
||||
const char *optstring = is_hfsplus ? "fj:l:L:s:vVh" : "fl:L:vVh";
|
||||
|
||||
while ((c = getopt_long(argc, argv, optstring, long_options, NULL)) != -1) {
|
||||
switch (c) {
|
||||
@@ -152,7 +155,8 @@ int mkfs_parse_command_line(int argc, char *argv[], mkfs_options_t *opts, int is
|
||||
opts->force = 1;
|
||||
break;
|
||||
|
||||
case 'l':
|
||||
case 'l': /* Legacy/alternative */
|
||||
case 'L': /* Unix standard */
|
||||
opts->volume_name = strdup(optarg);
|
||||
if (!opts->volume_name) {
|
||||
error_print_errno("failed to allocate memory for volume name");
|
||||
@@ -169,7 +173,41 @@ int mkfs_parse_command_line(int argc, char *argv[], mkfs_options_t *opts, int is
|
||||
}
|
||||
break;
|
||||
|
||||
|
||||
case 'j':
|
||||
/* Journaling option only for HFS+ */
|
||||
if (!is_hfsplus) {
|
||||
error_print("-j option is only supported for HFS+");
|
||||
return -1;
|
||||
}
|
||||
opts->enable_journaling = 1;
|
||||
|
||||
/* WARNING: Linux HFS+ driver does NOT support journaling */
|
||||
fprintf(stderr, "\\n");
|
||||
fprintf(stderr, "WARNING: HFS+ journaling enabled\\n");
|
||||
fprintf(stderr, "=========================================\\n");
|
||||
fprintf(stderr, "The Linux HFS+ kernel driver does NOT support journaling.\\n");
|
||||
fprintf(stderr, "Journaled volumes will: \\n");
|
||||
fprintf(stderr, " - Mount as NO_JOURNAL on Linux\\n");
|
||||
fprintf(stderr, " - Work correctly on macOS/Darwin\\n");
|
||||
fprintf(stderr, " - Require fsck on Linux if unclean unmount\\n");
|
||||
fprintf(stderr, "\\n");
|
||||
fprintf(stderr, "For Linux-only use, journaling is NOT recommended.\\n");
|
||||
fprintf(stderr, "=========================================\\n");
|
||||
fprintf(stderr, "\\n");
|
||||
break;
|
||||
|
||||
case 's':
|
||||
/* Size option only for HFS+ */
|
||||
if (!is_hfsplus) {
|
||||
error_print("-s option is only supported for HFS+");
|
||||
return -1;
|
||||
}
|
||||
opts->total_size = mkfs_parse_size(optarg, is_hfsplus);
|
||||
if (opts->total_size < 0) {
|
||||
error_print("invalid size specification: %s", optarg);
|
||||
return -1;
|
||||
}
|
||||
break;
|
||||
|
||||
case 'v':
|
||||
opts->verbose = 1;
|
||||
|
||||
+479
-34
@@ -993,9 +993,17 @@ static int calculate_hfsplus_volume_parameters(const char *device_path, mkfs_opt
|
||||
params->creation_date = hfs_get_safe_time();
|
||||
|
||||
/* Default options */
|
||||
params->enable_journaling = 0; /* No journaling for now */
|
||||
params->enable_journaling = opts->enable_journaling; /* Use option from command line */
|
||||
params->case_sensitive = 0; /* Case-insensitive by default */
|
||||
|
||||
/* Journaling requires additional space */
|
||||
if (params->enable_journaling) {
|
||||
/* Reserve space for journal (typically 8-32 MB) */
|
||||
if (opts->verbose) {
|
||||
printf("Journaling enabled - allocating journal blocks\n");
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@@ -1327,73 +1335,510 @@ static int write_hfsplus_allocation_bitmap(int fd, const hfsplus_volume_params_t
|
||||
|
||||
/*
|
||||
* NAME: initialize_hfsplus_catalog_file()
|
||||
* DESCRIPTION: Initialize empty HFS+ catalog B*-tree
|
||||
* DESCRIPTION: Initialize HFS+ catalog B-tree with proper structure per TN1150
|
||||
*/
|
||||
static int initialize_hfsplus_catalog_file(int fd, const hfsplus_volume_params_t *params)
|
||||
{
|
||||
/* TODO: Implement HFS+ catalog B*-tree initialization */
|
||||
/* For now, just write zeros */
|
||||
unsigned char *catalog_data = calloc(1, params->catalog_file_size);
|
||||
if (!catalog_data) {
|
||||
error_print_errno("failed to allocate memory for catalog file");
|
||||
const uint32_t NODE_SIZE = 4096; /* Standard HFS+ B-tree node size */
|
||||
const uint16_t MAX_KEY_LENGTH = 516; /* sizeof(HFSPlusCatalogKey) */
|
||||
|
||||
unsigned char *node_data;
|
||||
uint32_t total_nodes;
|
||||
size_t bitmap_size;
|
||||
size_t bitmap_blocks;
|
||||
off_t catalog_offset;
|
||||
|
||||
/* Calculate catalog file location */
|
||||
bitmap_size = (params->total_blocks + 7) / 8;
|
||||
bitmap_blocks = (bitmap_size + params->block_size - 1) / params->block_size;
|
||||
catalog_offset = (3 * params->sector_size) + (bitmap_blocks * params->block_size);
|
||||
|
||||
total_nodes = params->catalog_file_size / NODE_SIZE;
|
||||
|
||||
/* Allocate buffer for one node */
|
||||
node_data = calloc(1, NODE_SIZE);
|
||||
if (!node_data) {
|
||||
error_print_errno("failed to allocate memory for catalog node");
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Calculate catalog file location (after allocation bitmap) */
|
||||
size_t bitmap_size = (params->total_blocks + 7) / 8;
|
||||
size_t bitmap_blocks = (bitmap_size + params->block_size - 1) / params->block_size;
|
||||
off_t catalog_offset = (3 * params->sector_size) + (bitmap_blocks * params->block_size);
|
||||
/* === Node 0: Header Node === */
|
||||
|
||||
/* Node Descriptor (14 bytes) */
|
||||
/* fLink (next node) */
|
||||
node_data[0] = 0x00;
|
||||
node_data[1] = 0x00;
|
||||
node_data[2] = 0x00;
|
||||
node_data[3] = 0x00;
|
||||
|
||||
/* bLink (previous node) */
|
||||
node_data[4] = 0x00;
|
||||
node_data[5] = 0x00;
|
||||
node_data[6] = 0x00;
|
||||
node_data[7] = 0x00;
|
||||
|
||||
/* kind = 1 (header node) */
|
||||
node_data[8] = 0x01;
|
||||
|
||||
/* height = 0 */
|
||||
node_data[9] = 0x00;
|
||||
|
||||
/* numRecords = 3 (BTHeaderRec, user data, map record) */
|
||||
node_data[10] = 0x00;
|
||||
node_data[11] = 0x03;
|
||||
|
||||
/* reserved */
|
||||
node_data[12] = 0x00;
|
||||
node_data[13] = 0x00;
|
||||
|
||||
/* BTHeaderRec starts at offset 14 (106 bytes) */
|
||||
int offset = 14;
|
||||
|
||||
/* treeDepth = 1 (header + one leaf for root folder) */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x01;
|
||||
|
||||
/* rootNode = 1 (node 1 contains root folder) */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x01;
|
||||
|
||||
/* leafRecords = 1 (only root folder initially) */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x01;
|
||||
|
||||
/* firstLeafNode = 1 */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x01;
|
||||
|
||||
/* lastLeafNode = 1 */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x01;
|
||||
|
||||
/* nodeSize = 4096 */
|
||||
node_data[offset++] = 0x10;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* maxKeyLength = 516 */
|
||||
node_data[offset++] = (MAX_KEY_LENGTH >> 8) & 0xFF;
|
||||
node_data[offset++] = MAX_KEY_LENGTH & 0xFF;
|
||||
|
||||
/* totalNodes */
|
||||
node_data[offset++] = (total_nodes >> 24) & 0xFF;
|
||||
node_data[offset++] = (total_nodes >> 16) & 0xFF;
|
||||
node_data[offset++] = (total_nodes >> 8) & 0xFF;
|
||||
node_data[offset++] = total_nodes & 0xFF;
|
||||
|
||||
/* freeNodes = total_nodes - 2 (header + root leaf used) */
|
||||
uint32_t free_nodes = total_nodes - 2;
|
||||
node_data[offset++] = (free_nodes >> 24) & 0xFF;
|
||||
node_data[offset++] = (free_nodes >> 16) & 0xFF;
|
||||
node_data[offset++] = (free_nodes >> 8) & 0xFF;
|
||||
node_data[offset++] = free_nodes & 0xFF;
|
||||
|
||||
/* reserved1 */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* clumpSize (obsolete, use catalog clump from volume header) */
|
||||
uint32_t clump_size = params->catalog_file_size;
|
||||
node_data[offset++] = (clump_size >> 24) & 0xFF;
|
||||
node_data[offset++] = (clump_size >> 16) & 0xFF;
|
||||
node_data[offset++] = (clump_size >> 8) & 0xFF;
|
||||
node_data[offset++] = clump_size & 0xFF;
|
||||
|
||||
/* btreeType = 0 (Catalog) */
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* keyCompareType = 0xCF (case-insensitive, TN1150 default) */
|
||||
node_data[offset++] = 0xCF;
|
||||
|
||||
/* attributes = 0 (no special attributes) */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* reserved3[16] (64 bytes) - already zeroed by calloc */
|
||||
offset += 64;
|
||||
|
||||
/* Map record (128 bytes showing nodes 0-1 allocated) */
|
||||
/* Set bits 0 and 1 to mark header and root leaf as used */
|
||||
int map_offset = NODE_SIZE - 256; /* Map record typically at end of node */
|
||||
node_data[map_offset] = 0xC0; /* Binary: 11000000 = nodes 0,1 used */
|
||||
|
||||
/* Record offsets at end of node (3 records + free space offset) */
|
||||
/* Offset table grows backwards from end of node */
|
||||
int rec_offset_base = NODE_SIZE - 2;
|
||||
|
||||
/* Free space offset (points after map record) */
|
||||
uint16_t free_offset = map_offset + 256;
|
||||
node_data[rec_offset_base--] = (free_offset >> 8) & 0xFF;
|
||||
node_data[rec_offset_base--] = free_offset & 0xFF;
|
||||
|
||||
/* Record 2: map record offset */
|
||||
uint16_t map_rec_offset = map_offset;
|
||||
node_data[rec_offset_base--] = (map_rec_offset >> 8) & 0xFF;
|
||||
node_data[rec_offset_base--] = map_rec_offset & 0xFF;
|
||||
|
||||
/* Record 1: user data record (empty, 128 bytes reserved) */
|
||||
uint16_t user_offset = map_offset - 128;
|
||||
node_data[rec_offset_base--] = (user_offset >> 8) & 0xFF;
|
||||
node_data[rec_offset_base--] = user_offset & 0xFF;
|
||||
|
||||
/* Record 0: BTHeaderRec offset */
|
||||
uint16_t header_offset = 14;
|
||||
node_data[rec_offset_base--] = (header_offset >> 8) & 0xFF;
|
||||
node_data[rec_offset_base--] = header_offset & 0xFF;
|
||||
|
||||
/* Write header node */
|
||||
if (lseek(fd, catalog_offset, SEEK_SET) == -1) {
|
||||
error_print_errno("failed to seek to catalog file location");
|
||||
free(catalog_data);
|
||||
free(node_data);
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (write(fd, catalog_data, params->catalog_file_size) != (ssize_t)params->catalog_file_size) {
|
||||
error_print_errno("failed to write catalog file");
|
||||
free(catalog_data);
|
||||
if (write(fd, node_data, NODE_SIZE) != NODE_SIZE) {
|
||||
error_print_errno("failed to write catalog header node");
|
||||
free(node_data);
|
||||
return -1;
|
||||
}
|
||||
|
||||
free(catalog_data);
|
||||
/* === Node 1: Root Folder Leaf Node === */
|
||||
memset(node_data, 0, NODE_SIZE);
|
||||
|
||||
/* Node Descriptor */
|
||||
/* fLink = 0 (no next leaf) */
|
||||
node_data[0] = 0x00;
|
||||
node_data[1] = 0x00;
|
||||
node_data[2] = 0x00;
|
||||
node_data[3] = 0x00;
|
||||
|
||||
/* bLink = 0 (no previous leaf) */
|
||||
node_data[4] = 0x00;
|
||||
node_data[5] = 0x00;
|
||||
node_data[6] = 0x00;
|
||||
node_data[7] = 0x00;
|
||||
|
||||
/* kind = -1 (0xFF = leaf node) */
|
||||
node_data[8] = 0xFF;
|
||||
|
||||
/* height = 1 */
|
||||
node_data[9] = 0x01;
|
||||
|
||||
/* numRecords = 1 (root folder record) */
|
||||
node_data[10] = 0x00;
|
||||
node_data[11] = 0x01;
|
||||
|
||||
/* reserved */
|
||||
node_data[12] = 0x00;
|
||||
node_data[13] = 0x00;
|
||||
|
||||
/* Root folder record at offset 14 */
|
||||
offset = 14;
|
||||
|
||||
/* Catalog key: parentID=1 (kHFSRootParentID), name="" (empty for root) */
|
||||
/* keyLength = 6 (minimum: 2 bytes parentID field + 2 bytes name length + 2 for keyLength itself) */
|
||||
uint16_t key_length = 6;
|
||||
node_data[offset++] = (key_length >> 8) & 0xFF;
|
||||
node_data[offset++] = key_length & 0xFF;
|
||||
|
||||
/* parentID = 1 (kHFSRootParentID) */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x01;
|
||||
|
||||
/* nodeName.length = 0 (empty name for root) */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* Catalog folder record (88 bytes minimum) */
|
||||
/* recordType = kHFSPlusFolderRecord (0x0001) */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x01;
|
||||
|
||||
/* flags = 0 */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* valence = 0 (no items in root initially) */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* folderID = 2 (kHFSRootFolderID) */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x02;
|
||||
|
||||
/* createDate, contentModDate, attributeModDate, accessDate (all use current HFS time) */
|
||||
uint32_t hfs_time = (uint32_t)(params->creation_date + HFS_EPOCH_OFFSET);
|
||||
for (int i = 0; i < 4; i++) {
|
||||
node_data[offset++] = (hfs_time >> 24) & 0xFF;
|
||||
node_data[offset++] = (hfs_time >> 16) & 0xFF;
|
||||
node_data[offset++] = (hfs_time >> 8) & 0xFF;
|
||||
node_data[offset++] = hfs_time & 0xFF;
|
||||
}
|
||||
|
||||
/* backupDate = 0 */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* permissions (80 bytes, complex structure, zero for now) */
|
||||
offset += 80;
|
||||
|
||||
/* userInfo + finderInfo (32 bytes total) - zero */
|
||||
offset += 32;
|
||||
|
||||
/* textEncoding = 0 */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* reserved = 0 */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* Record offset table at end */
|
||||
rec_offset_base = NODE_SIZE - 2;
|
||||
|
||||
/* Free space offset */
|
||||
uint16_t leaf_free_offset = offset;
|
||||
node_data[rec_offset_base--] = (leaf_free_offset >> 8) & 0xFF;
|
||||
node_data[rec_offset_base--] = leaf_free_offset & 0xFF;
|
||||
|
||||
/* Record 0 offset (root folder record) */
|
||||
uint16_t rec0_offset = 14;
|
||||
node_data[rec_offset_base--] = (rec0_offset >> 8) & 0xFF;
|
||||
node_data[rec_offset_base--] = rec0_offset & 0xFF;
|
||||
|
||||
/* Write root folder leaf node */
|
||||
if (write(fd, node_data, NODE_SIZE) != NODE_SIZE) {
|
||||
error_print_errno("failed to write catalog root leaf node");
|
||||
free(node_data);
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Zero out remaining catalog nodes */
|
||||
memset(node_data, 0, NODE_SIZE);
|
||||
for (uint32_t i = 2; i < total_nodes; i++) {
|
||||
if (write(fd, node_data, NODE_SIZE) != NODE_SIZE) {
|
||||
error_print_errno("failed to write catalog empty nodes");
|
||||
free(node_data);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
free(node_data);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* NAME: initialize_hfsplus_extents_file()
|
||||
* DESCRIPTION: Initialize empty HFS+ extents overflow B*-tree
|
||||
* DESCRIPTION: Initialize HFS+ extents overflow B-tree per TN1150
|
||||
*/
|
||||
static int initialize_hfsplus_extents_file(int fd, const hfsplus_volume_params_t *params)
|
||||
{
|
||||
/* TODO: Implement HFS+ extents B*-tree initialization */
|
||||
/* For now, just write zeros */
|
||||
unsigned char *extents_data = calloc(1, params->extents_file_size);
|
||||
if (!extents_data) {
|
||||
error_print_errno("failed to allocate memory for extents file");
|
||||
return -1;
|
||||
}
|
||||
const uint32_t NODE_SIZE = 4096; /* Standard HFS+ B-tree node size */
|
||||
const uint16_t MAX_KEY_LENGTH = 10; /* sizeof(HFSPlusExtentKey) */
|
||||
|
||||
unsigned char *node_data;
|
||||
uint32_t total_nodes;
|
||||
size_t bitmap_size;
|
||||
size_t bitmap_blocks;
|
||||
off_t extents_offset;
|
||||
|
||||
/* Calculate extents file location (after catalog file) */
|
||||
size_t bitmap_size = (params->total_blocks + 7) / 8;
|
||||
size_t bitmap_blocks = (bitmap_size + params->block_size - 1) / params->block_size;
|
||||
off_t extents_offset = (3 * params->sector_size) +
|
||||
(bitmap_blocks * params->block_size) +
|
||||
params->catalog_file_size;
|
||||
bitmap_size = (params->total_blocks + 7) / 8;
|
||||
bitmap_blocks = (bitmap_size + params->block_size - 1) / params->block_size;
|
||||
extents_offset = (3 * params->sector_size) +
|
||||
(bitmap_blocks * params->block_size) +
|
||||
params->catalog_file_size;
|
||||
|
||||
total_nodes = params->extents_file_size / NODE_SIZE;
|
||||
|
||||
/* Allocate buffer for one node */
|
||||
node_data = calloc(1, NODE_SIZE);
|
||||
if (!node_data) {
|
||||
error_print_errno("failed to allocate memory for extents node");
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* === Node 0: Header Node === */
|
||||
|
||||
/* Node Descriptor (14 bytes) */
|
||||
/* fLink (next node) */
|
||||
node_data[0] = 0x00;
|
||||
node_data[1] = 0x00;
|
||||
node_data[2] = 0x00;
|
||||
node_data[3] = 0x00;
|
||||
|
||||
/* bLink (previous node) */
|
||||
node_data[4] = 0x00;
|
||||
node_data[5] = 0x00;
|
||||
node_data[6] = 0x00;
|
||||
node_data[7] = 0x00;
|
||||
|
||||
/* kind = 1 (header node) */
|
||||
node_data[8] = 0x01;
|
||||
|
||||
/* height = 0 */
|
||||
node_data[9] = 0x00;
|
||||
|
||||
/* numRecords = 3 (BTHeaderRec, user data, map record) */
|
||||
node_data[10] = 0x00;
|
||||
node_data[11] = 0x03;
|
||||
|
||||
/* reserved */
|
||||
node_data[12] = 0x00;
|
||||
node_data[13] = 0x00;
|
||||
|
||||
/* BTHeaderRec starts at offset 14 (106 bytes) */
|
||||
int offset = 14;
|
||||
|
||||
/* treeDepth = 0 (empty tree - no extents overflow initially) */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* rootNode = 0 (no root - tree is empty) */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* leafRecords = 0 (no records initially) */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* firstLeafNode = 0 (no leaves yet) */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* lastLeafNode = 0 (no leaves yet) */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* nodeSize = 4096 */
|
||||
node_data[offset++] = 0x10;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* maxKeyLength = 10 */
|
||||
node_data[offset++] = (MAX_KEY_LENGTH >> 8) & 0xFF;
|
||||
node_data[offset++] = MAX_KEY_LENGTH & 0xFF;
|
||||
|
||||
/* totalNodes */
|
||||
node_data[offset++] = (total_nodes >> 24) & 0xFF;
|
||||
node_data[offset++] = (total_nodes >> 16) & 0xFF;
|
||||
node_data[offset++] = (total_nodes >> 8) & 0xFF;
|
||||
node_data[offset++] = total_nodes & 0xFF;
|
||||
|
||||
/* freeNodes = total_nodes - 1 (only header used) */
|
||||
uint32_t free_nodes = total_nodes - 1;
|
||||
node_data[offset++] = (free_nodes >> 24) & 0xFF;
|
||||
node_data[offset++] = (free_nodes >> 16) & 0xFF;
|
||||
node_data[offset++] = (free_nodes >> 8) & 0xFF;
|
||||
node_data[offset++] = free_nodes & 0xFF;
|
||||
|
||||
/* reserved1 */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* clumpSize (obsolete, use extents clump from volume header) */
|
||||
uint32_t clump_size = params->extents_file_size;
|
||||
node_data[offset++] = (clump_size >> 24) & 0xFF;
|
||||
node_data[offset++] = (clump_size >> 16) & 0xFF;
|
||||
node_data[offset++] = (clump_size >> 8) & 0xFF;
|
||||
node_data[offset++] = clump_size & 0xFF;
|
||||
|
||||
/* btreeType = 255 (0xFF = Extents Overflow) */
|
||||
node_data[offset++] = 0xFF;
|
||||
|
||||
/* keyCompareType = 0 (simple comparison for extents keys) */
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* attributes = 0 (no special attributes) */
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
node_data[offset++] = 0x00;
|
||||
|
||||
/* reserved3[16] (64 bytes) - already zeroed by calloc */
|
||||
offset += 64;
|
||||
|
||||
/* Map record (128 bytes showing only node 0 allocated) */
|
||||
/* Set bit 0 to mark header as used */
|
||||
int map_offset = NODE_SIZE - 256; /* Map record at end of node */
|
||||
node_data[map_offset] = 0x80; /* Binary: 10000000 = node 0 used */
|
||||
|
||||
/* Record offsets at end of node (3 records + free space offset) */
|
||||
/* Offset table grows backwards from end of node */
|
||||
int rec_offset_base = NODE_SIZE - 2;
|
||||
|
||||
/* Free space offset (points after map record) */
|
||||
uint16_t free_offset = map_offset + 256;
|
||||
node_data[rec_offset_base--] = (free_offset >> 8) & 0xFF;
|
||||
node_data[rec_offset_base--] = free_offset & 0xFF;
|
||||
|
||||
/* Record 2: map record offset */
|
||||
uint16_t map_rec_offset = map_offset;
|
||||
node_data[rec_offset_base--] = (map_rec_offset >> 8) & 0xFF;
|
||||
node_data[rec_offset_base--] = map_rec_offset & 0xFF;
|
||||
|
||||
/* Record 1: user data record (empty, 128 bytes reserved) */
|
||||
uint16_t user_offset = map_offset - 128;
|
||||
node_data[rec_offset_base--] = (user_offset >> 8) & 0xFF;
|
||||
node_data[rec_offset_base--] = user_offset & 0xFF;
|
||||
|
||||
/* Record 0: BTHeaderRec offset */
|
||||
uint16_t header_offset = 14;
|
||||
node_data[rec_offset_base--] = (header_offset >> 8) & 0xFF;
|
||||
node_data[rec_offset_base--] = header_offset & 0xFF;
|
||||
|
||||
/* Write header node */
|
||||
if (lseek(fd, extents_offset, SEEK_SET) == -1) {
|
||||
error_print_errno("failed to seek to extents file location");
|
||||
free(extents_data);
|
||||
free(node_data);
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (write(fd, extents_data, params->extents_file_size) != (ssize_t)params->extents_file_size) {
|
||||
error_print_errno("failed to write extents file");
|
||||
free(extents_data);
|
||||
if (write(fd, node_data, NODE_SIZE) != NODE_SIZE) {
|
||||
error_print_errno("failed to write extents header node");
|
||||
free(node_data);
|
||||
return -1;
|
||||
}
|
||||
|
||||
free(extents_data);
|
||||
/* Zero out remaining extents nodes (all free) */
|
||||
memset(node_data, 0, NODE_SIZE);
|
||||
for (uint32_t i = 1; i < total_nodes; i++) {
|
||||
if (write(fd, node_data, NODE_SIZE) != NODE_SIZE) {
|
||||
error_print_errno("failed to write extents empty nodes");
|
||||
free(node_data);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
free(node_data);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
@@ -345,5 +345,13 @@ int main(int argc, char *argv[])
|
||||
cleanup_options(&opts);
|
||||
common_cleanup();
|
||||
|
||||
return result;
|
||||
/* Normalize exit code to Unix standard (0=success, 1=any error) */
|
||||
/* Preserve detailed code in verbose mode for debugging */
|
||||
if (result != 0) {
|
||||
if (opts.verbose) {
|
||||
fprintf(stderr, "Internal exit code: %d\n", result);
|
||||
}
|
||||
return 1; /* Unix standard: any error = exit code 1 */
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
@@ -39,7 +39,8 @@ static mkfs_options_t default_options = {
|
||||
.show_help = 0,
|
||||
.show_license = 0,
|
||||
.block_size = 0, /* Auto-calculate */
|
||||
.total_size = 0 /* Use full device */
|
||||
.total_size = 0, /* Use full device */
|
||||
.enable_journaling = 0 /* Disabled by default with warning */
|
||||
};
|
||||
|
||||
|
||||
@@ -56,7 +57,9 @@ static void usage(int exit_code)
|
||||
printf("\n");
|
||||
printf("Options:\n");
|
||||
printf(" -f, --force Force creation, overwrite existing filesystem\n");
|
||||
printf(" -l, --label NAME Set volume label/name (max 255 characters for HFS+)\n");
|
||||
printf(" -j, --journal Enable HFS+ journaling (Linux kernel driver does NOT support)\n");
|
||||
printf(" -L, --label NAME Set volume label/name (also accepts -l)\n");
|
||||
printf(" -s, --size SIZE Specify filesystem size in bytes (supports K, M, G suffixes)\n");
|
||||
printf(" -v, --verbose Display detailed formatting information\n");
|
||||
printf(" -V, --version Display version information\n");
|
||||
printf(" -h, --help Display this help message\n");
|
||||
@@ -69,6 +72,7 @@ static void usage(int exit_code)
|
||||
printf("Examples:\n");
|
||||
printf(" %s /dev/sdb1 # Format partition as HFS+\n", program_name);
|
||||
printf(" %s -l \"My Volume\" /dev/sdb1 # Format with custom label\n", program_name);
|
||||
printf(" %s -s 1073741824 disk.img # Create 1GB filesystem\n", program_name);
|
||||
printf(" %s -f /dev/sdb 1 # Force format partition 1\n", program_name);
|
||||
printf(" %s -f /dev/sdb 0 # Format entire disk (erases partition table)\n", program_name);
|
||||
printf(" %s -v /dev/fd0 # Format floppy with verbose output\n", program_name);
|
||||
@@ -82,10 +86,10 @@ static void usage(int exit_code)
|
||||
printf("\n");
|
||||
printf("Exit codes:\n");
|
||||
printf(" 0 Success\n");
|
||||
printf(" 1 General error\n");
|
||||
printf(" 2 Usage error\n");
|
||||
printf(" 4 Operational error\n");
|
||||
printf(" 8 System error\n");
|
||||
printf(" 1 Error (any kind)\n");
|
||||
printf("\n");
|
||||
printf("Note: Exit codes follow Unix standard (0=success, 1=error).\n");
|
||||
printf(" Use -v for detailed error information.\n");
|
||||
printf("\n");
|
||||
|
||||
exit(exit_code);
|
||||
@@ -166,5 +170,13 @@ int main(int argc, char *argv[])
|
||||
mkfs_cleanup_options(&opts);
|
||||
common_cleanup();
|
||||
|
||||
return result;
|
||||
/* Normalize exit code to Unix standard (0=success, 1=any error) */
|
||||
/* Preserve detailed code in verbose mode for debugging */
|
||||
if (result != 0) {
|
||||
if (opts.verbose) {
|
||||
fprintf(stderr, "Internal exit code: %d\n", result);
|
||||
}
|
||||
return 1; /* Unix standard: any error = exit code 1 */
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user