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Addresses-Sourceforge-Feature-Request: #1257500
Addresses-Sourceforge-Support-Request: #1253511
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Fedora and Red Hat puts the devmapper library in different locations
compared to Debian, so we use pkg-config. Unfortunately Debian's
devmapper.pc file is buggy (See Debian Bug #390243), so we have to
work around it.
Historically, e2fsprogs has tried not to depend on pkg-config, since
its answers are so often **wrong** (the Debian bug has been ignored
for over a year), so I'm hoping I'm not going to regret this.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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With this fix, "dpkg-buildpackage -j3" should work w/o problems for
the e2fsprogs package.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Approximately two years ago a revamp of the e2fsprogs build
infrastructure broke the Makefile fragments for building BSD, Solaris,
and Darwin shared libraries, as well as profiling and checker
libraries. Apparently no one had noticed except for
pierre42@users.sourceforge.net.
Addresses-Sourceforge-Bug: #1819034
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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This change allows a parallel build (i.e., via dpkg-buildpackage -j3)
of e2fsprogs to work correctly.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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The previous fix didn't quite work, but this one should!
Addresses-Sourceforge-Bug: #1861633
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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When recovering a large number of deleted files, linking the undeleted
inodes to directories may require a directory to be expanded. This
could allocate a block that that had been used by one of the
yet-to-be-undeleted files. So the 'undel' command been enhanced to
allow the destination pathname to be optional. This will allow the
cautious user to undelete all of the inodes without specifying a
destination pathname, and then either use debugfs's link command to
add hard links, or use e2fsck to link all of the recovered files to
the lost+found directory.
Addresses-Sourceforge-Feature-Request: #967141
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Previously "e2fsck -fD" on a non-htree directory would sort the
directory alphabetically by name. That's stupid. Better to sort the
directory by inode number, since that will optimize performance much
more significantly than sorting by name!
Addresses-Sourceforge-Feature-Request: #532439
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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If the disk fills while e2image is writing its output file, it will
spew a large number of error messages instead of exiting with a
non-zero status code after the first failure.
Addresses-Sourceforge-Feature-Request: #606508
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Addresses-Sourceforge-Patch: #1861659
Reported-by: Mike Frysinger <vapier@users.sourceforge.net>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Addresses-Sourceforge-Patch: #1861663
Reported-by: Mike Frysinger <vapier@users.sourceforge.net>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Add an explanation of how e2fsck might decide to optimize a few
directories even without the -D option being specified.
Addresses-Debian-Bug: #441872
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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The old document ID, com_err, used an illegal character ('_'); change
it to be comerr-manual to be conformant with the doc-base requirements.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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The adduser package is 'important', and while it is often installed,
we can't guarantee that it will always be there. A required package,
or a package which is dragged in by a required package, such as
libuuid1, shouldn't depend on an 'important' package since that would
implicitly make it be required, which shouldn't be done unless
absolutely necesary.
So we replace the call to adduser with the lower-level useradd and
groupadd programs. They are part of the passwd package, which is
required to be on all Debian systems.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Some people are still running ancient Debian distributions, such as
woody, with a 2.4 kernel, and they want to be able to use the
e2fsck-static package on backlevel systems.
It turns out that we can't just statically link against glibc anymore,
since glibc now uses thread-local storage everywhere. So we now build
e2fsck-static using dietlibc.
Addresses-Debian-Bug: #458017
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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When compiling with diet libc, <sys/types.h> must be included in order
to define the types used in asm/types.h. Strange choice, but
workable. This doesn't cause much problems for e2fsprogs except
blkid/tst_types.h, which needed a #include of <sys/types.h>.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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When compiling with dietlibc, sys/syscall.h isn't supported; as of
dietlibc 0.30, it exists but it references a non-existent asm/unistd.h
header file. So we have to test for its existence and avoid using it
in lib/uuid/gen_uuid.c if it is not supported.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Add a configure option which causes the uuidd helper daemon not to be
built or used by the uuid library.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Add option to forcibly disable the use of thread local storage
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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inode_uid() and inode_gid() weren't getting defined on systems that
were not Linux, Hurd, or Masix.
Addresses-Sourceforge-Bug: #1859778
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Add some additional checks, primarily in resize2fs and in the rarely
used (and soon to-be-deprecated) e2fsck byte-swap filesystem function.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Use an improved locking protocol based on the pid file to assure that
only one uuidd is started. Apparently the kernel does not prevent
multiple processes from racing to bind to a Unix domain socket.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Addresses-Debian-Bug: #437720
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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If we fail to create the uuidd daemon after 5 or 6 tries, another
10,000 tries probably won't be successful.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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The uuidd process will fork and let the parent process exit to create
the daemon. So use waitpid to reap the zombie, as well as using it to
time when it is safe to try to connect to the daemon.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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/var/run can get completely removed at reboot, and uuidd doesn't have
permissions to recreate /var/run/uuidd. So instead use
/var/lib/libuuidd for the unix domain socket and pid files.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Also store the clock sequence information in a state file in
/var/lib/misc/uuid-clock so that if the time goes backwards the clock
sequence counter can get bumped. This allows us to completely
correctly generate time-based (version 1) UUID's according to the
algorithm specified RFC 4122.
Addresses-Sourceforge-Bug: #1529672
Addresses-Red-Hat-Bugzilla: #233471
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Fuse and ssh fstab lines such as:
wdfs#https://dav.hoster.com/foo/bar /mnt/hoster fuse user,noauto 0 0
will cause fsck to issue warnings about invalid fstab lines, because
fsck was previously treating '#' as a comment when it appeared
anywhere in an fstab line, not just at the beginning of the line.
Addresses-Gentoo-bug: #195405
Addresses-Sourceforge-bug: #1826147
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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When printing the value of tags in a formatted format, print control
characters and characters with the high eight bit set using the ^ and
M- notation, respectively. This prevents a filesystem with a garbage
label from potentially screwing up the user's screen (for example,
putting it into graphical mode).
Addresses-Ubuntu-Bug: #78087
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Upon the advice of Benno Schulenberg; the translation had already been
removed on the Translation Project site.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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On 64-bit systems (or anything with sizeof(long) > sizeof(int)), we
sometimes get error codes passed to error_message which have been cast
from an (int) to an (unsigned int). This almost always happens if
you're using libgssapi_krb5, which returns an error code which is less
than 0 but is returned in an (unsigned int).
For example, -1765328377L gets cast to 2529638919, which is
0x96c73a07, not 0xffffffff96c73a07, so error_message() fails to find a
matching error table.
When error_message() then calls the error_table_name() function to get a
name to use in the "unknown code" message, it gets a correct value back.
This happens because error_table_name() drops most of the higher bits of
the parameter it's passed before doing anything else with it (& 077777777f,
or & 0xffffff). If we did the same thing in error_message(), we wouldn't
have a problem there, either.
Problem reported and fixed by: Nalin Dahyabhai
Addresses-Sourceforge-Bug: #1809658
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Addresses-Sourceforge-Bug: #1831627
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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The "make check" test in lib/ss would fail if '.' is not in the user's
PATH, and if the libss shared library had not yet been installed yet.
Addresses-Sourceforge-Bug: #1848974
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Addresses-Debian-Bug: #444883
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Addresses-Debian-Bug: #437720
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Addresses-Debian-Bug: #451172
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Now that e2fsck tries to backup the primary superblock to the backups
when the feature sets ar different, it's important when tune2fs writes
out a changed superblock, that we filter out the
EXT3_FEATURE_INCOMPAT_RECOVER feature to the backup superblocks, since
it will be removed from the primary superblock either when the
filesystem is mounted uncleanly or when journal is replayed.
Addresses-Debian-Bug: #454926
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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This addresses a potential security vulnerability where an untrusted
filesystem can be corrupted in such a way that a program using
libext2fs will allocate a buffer which is far too small. This can
lead to either a crash or potentially a heap-based buffer overflow
crash. No known exploits exist, but main concern is where an
untrusted user who possesses privileged access in a guest Xen
environment could corrupt a filesystem which is then accessed by the
pygrub program, running as root in the dom0 host environment, thus
allowing the untrusted user to gain privileged access in the host OS.
Thanks to the McAfee AVERT Research group for reporting this issue.
Addresses CVE-2007-5497.
Signed-off-by: Rafal Wojtczuk <rafal_wojtczuk@mcafee.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Ubuntu has init script and installer issues which cause them to have
significant problems with time zones. This is compounded with a
relatively inexperienced user base who want to dual boot with Windows
and so have their hardware clocks tick localtime.
Addresses-Ubuntu-Bug: #131201
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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